Disclosure of Invention
In order to solve the defects of the prior art, the invention aims to provide a method for transferring and conveying sand in a long distance in a water flow carrier, which has novel and reliable structure, simple principle and good stability and can convey sand in a medium and long distance with high efficiency, and aims to solve the technical problem of low efficiency of conveying sand in a medium and long distance in the prior art
The technical scheme adopted by the invention is as follows.
A medium and long distance sand transfer and conveying method comprises the following steps:
a preparation stage;
s1: an operator firstly needs to configure the whole equipment, namely, a conveying device is placed at a starting place, a separating device and a water storage tank are placed at a destination, a pipeline is connected and communicated between the conveying device and the separating device, and a return pipe is connected and communicated between the water storage tank and the conveying device;
(II) a conveying stage;
s2: the operator initially adds sand into the conveying device and mixes the sand with water to form a sand-water mixture;
the conveying device comprises a mixing cylinder, a sand adding mechanism and a high-pressure water pump, wherein the sand adding mechanism is used for conveying sand into the mixing cylinder, the high-pressure water pump is used for conveying water into the mixing cylinder in a pressurized mode, the sand and the water are mixed in the mixing cylinder to form a sand-water mixture, and the sand-water mixture flows into the input end of the pipeline under the action of water pressure;
the conveying device also comprises a floor mounting frame, a circular front end cover and a circular rear end which are arranged at intervals and coaxially are fixedly mounted on the mounting frame, a main shaft which can rotate around the axis direction of the main shaft is coaxially arranged between the front end cover and the rear end cover, the main shaft, the front end cover and the rear end cover are in rotating connection and matching through bearings, a cylindrical roller is coaxially fixedly sleeved on the main shaft and is positioned between the front end cover and the rear end cover, the outer diameters of the roller, the front end cover and the rear end cover are equal, one end of the roller is attached to the front end cover and forms rotating type sealing connection and matching, the other end of the roller is attached to the rear end cover and forms rotating type sealing connection and matching, the mixing cylinders are arranged at the eccentric position of the roller, the axial direction of the mixing cylinders is parallel to the axial direction of the roller, the mixing cylinders penetrate through the end face of the roller, and six mixing cylinders are arranged in an array along the circumferential direction of the roller;
the front end cover is provided with a circular sand adding port and a circular water adding port, the calibers of the sand adding port and the water adding port are equal to the inner diameter of the mixing barrel, the sand adding port is positioned right above the water adding port and is vertically and symmetrically arranged along the axial lead direction of the roller, the sand adding mechanism is butted with the sand adding port, the high-pressure water pump is butted with the water adding port, one mixing barrel is butted with the sand adding port in an initial state, in the mixing process, the sand adding mechanism adds sand into the mixing barrel which is butted with the sand adding port from the sand adding port, the roller rotates intermittently for 60 degrees along the self axial direction until the mixing barrel is butted with the water adding port, the high-pressure water pump injects water into the mixing barrel, and the sand and the water are mixed to form a sand-water mixture body;
the sand-water mixing device is characterized in that a circular discharge port is formed in the rear end cover, the caliber of the discharge port is equal to that of the mixing cylinder, the discharge port is coaxial with the water feeding port, a discharge pipe is arranged between the rear end cover and the input end of the pipeline, the input end of the discharge pipe is in butt joint with the discharge port, the output end of the discharge pipe is in butt joint with the input end of the pipeline, and when the mixing cylinder rotates to a position between the water feeding port and the discharge port, sand and water are mixed to form a sand-water mixture;
in the working process of the mixing barrel, the main shaft is driven by external force to perform 60-degree gradual intermittent rotation around the axial direction of the main shaft, the main shaft drives the roller to synchronously rotate, the mixing barrel performs 60-degree gradual intermittent rotation around the axial direction of the main shaft along with the roller, the mixing barrel is in butt joint connection with a water inlet and a water outlet of a sand adding port in a circulating mode, when the mixing barrel is connected with the sand adding port, sand is conveyed and added into the mixing barrel through the sand adding port by the sand adding mechanism, when the mixing barrel is connected with the water inlet and the water outlet, water is injected into the mixing barrel by the high-pressure water pump, and the sand and the water are mixed to form a sand-water mixture;
s3: the high-pressure water pump pressurizes the sand-water mixture and enables the sand-water mixture to flow into the pipeline, and under the action of water pressure, the sand-water mixture flows from the beginning to the destination along the pipeline and is discharged to the separation device;
(III) a separation stage;
s4: the separation device starts to operate, centrifugally dehydrates and separates a sand-water mixture, discharges sand to a destination, discharges water into a water storage tank, and supplies water in the water storage tank to the delivery device for cyclic utilization along a return pipe from the destination to the starting place;
the separation device comprises a cylindrical protective cover, a dehydration mechanism and an air drying mechanism, the upper end of the protective cover is open and arranged, the lower end of the protective cover is closed and arranged on the ground, a guide plate which is obliquely arranged is arranged in the protective cover, the inclination angle of the guide plate is 30-60 degrees, the guide plate is positioned in the middle of the protective cover along the height direction, a sand discharge port which penetrates through the protective cover is arranged below the oblique end of the guide plate, the sand discharge port is obliquely arranged along the oblique direction of the guide plate, the dehydration mechanism is arranged in the protective cover and positioned above the guide plate, the dehydration mechanism is used for receiving the sand-water mixture discharged by the pipeline and carrying out centrifugal dehydration treatment on the mixture, so that sand falls onto the guide plate and water flows into the water storage tank, the air drying mechanism is arranged at an opening at the upper end of the protective cover and is used for forming internal and external circulating air flow between the sand discharge port and the opening at the upper end of the protective cover to realize air drying treatment on sand;
the dehydration mechanism comprises a circular water pan which is coaxially arranged in the protective cover and has an upward opening, the water pan is positioned above the guide plate and is fixedly connected with the guide plate, the bottom of the water pan is communicated with the top of the water storage tank, the outer diameter of the water pan is smaller than the inner diameter of the protective cover, a sand falling gap is formed between the outer diameter of the water pan and the inner diameter of the protective cover, a filter pan with an upward opening is coaxially and fixedly arranged in the water pan, the filter pan comprises a circular bottom plate, an annular inclined plate with an upward opening and a gradually enlarged top plate, the bottom plate is matched and fixedly connected with the lower end opening of the inclined plate, the top plate is matched and fixedly connected with the upper end opening of the inclined plate, the top plate is fixedly attached to the upper end face of the opening of the water pan, a gap is reserved between the bottom plate and the bottom of the water pan, a plurality of tiny filter holes are formed in the bottom plate, the inclined plate and the top plate, and the filter holes have a diameter smaller than that of sand, a circular mounting plate is coaxially and movably arranged above the bottom plate and below the top plate, the diameter of the mounting plate is far smaller than that of the bottom plate, an arc centrifugal scraper blade is arranged on the lower end face of the mounting plate, the lower end of the centrifugal scraper blade is in contact with the bottom plate to be flush, the upper end of the centrifugal scraper blade is flush with the lower end face of the mounting plate, the centrifugal scraper blades are arranged in an involute mode from the center position of the bottom plate to the edge position of the bottom plate, and the plurality of centrifugal scraper blades are arranged in an array mode along the circumferential direction where the bottom;
in the sand-water mixture separation dehydration process, discharge the sand-water mixture to the filter disc in, water will pass automatically and filter the hole and flow into to the water collector in, flow into to the water storage box by the water collector again and circulate, meanwhile, drive centrifugal scraper blade and carry out high-speed rotation around the axial of mounting panel, centrifugal scraper blade will sweep the sand along the bottom plate, the swash plate flies out on the inner wall that the filter disc strikes to the safety cover, then, fall into to the guide board on through the husky clearance that falls, discharge to the subaerial of destination by the row of husky mouth under the effect of guide board.
As a further optimization or improvement of the present solution.
Add husky mechanism include loading hopper, inlet pipe and auger, the inlet pipe be one end opening, the other end seal and the open end of inlet pipe with add husky mouthful coaxial alignment switch-on, inlet pipe open end and rear end cap fixed connection, the loading hopper is the funnel of rectangle and big opening is at last, little opening under, the loading hopper is located directly over the inlet pipe and the little opening of loading hopper is connected the switch-on with the middle part position of inlet pipe, the auger be provided with in the inlet pipe and extend to the blind end and auger and blind end coaxial rotation are connected the cooperation by its open end.
As a further optimization or improvement of the present solution.
The mounting frame is also provided with a driving mechanism, the driving mechanism comprises a main motor fixedly arranged on the mounting frame and a transmission shaft rotatably arranged on the mounting frame, the axial directions of an output shaft of the main motor and the transmission shaft are both parallel to the axial direction of the main shaft, a first belt transmission component for connecting the output shaft of the main motor and the driving end of the transmission shaft is arranged between the output shaft of the main motor and the driving end of the transmission shaft, the first belt transmission component comprises a first driving belt wheel coaxially and fixedly sleeved on the output shaft of the main motor, a first driven belt wheel coaxially and fixedly sleeved on the driving end of the transmission shaft and a first belt wound between the first driving belt wheel and the first driven belt wheel to form a closed loop, the driving end of the main shaft extends outwards and extends to the position right above the output end of the transmission shaft, an intermittent sheave transmission component for connecting the output end of the transmission shaft and the driving shaft to gradually rotate is arranged between the output end of the transmission shaft and the driving end of the main shaft, and the transmission shaft rotates for one circle around the self axial direction, the main shaft rotates for 60 degrees around the self axial direction, the driving end of the packing auger extends outwards and extends to the upper part of the main shaft, a second belt transmission component for connecting the transmission shaft and the packing auger driving end is arranged between the transmission shaft and the packing auger driving end, the second belt transmission component comprises a second driving belt wheel which is coaxially fixedly sleeved on the middle position of the transmission shaft along the axial direction, a second driven belt wheel which is coaxially fixedly sleeved on the packing auger driving end and a second belt which is wound and arranged between the second driving belt wheel and the second driven belt wheel to form a closed loop.
As a further optimization or improvement of the present solution.
The water inlet end of the high-pressure water pump is in butt joint with the output end of the return pipe, the water discharge end of the high-pressure water pump is communicated with a water pipe I, the output end of the water pipe I is in butt joint with the water filling port, in the working process, the high-pressure water pump extracts water in the high-pressure water pump through the return pipe and pressurizes the water to discharge the water through the water pipe I, and the discharged water enters the mixing cylinder and is mixed with sand in the mixing cylinder.
As a further optimization or improvement of the present solution.
Dehydration mechanism still include the fixed pipe of the straight movable tube of stereoplasm and stereoplasm L type, wherein the movable tube is arranged with the safety cover is coaxial and its lower extreme and the coaxial fixed connection of mounting panel, upper end extend to the top of safety cover, the lower extreme of movable tube runs through to the lower terminal surface of mounting panel, the input of fixed pipe and the output butt joint switch-on of pipeline, the output of fixed pipe and the upper end butt joint switch-on of movable tube and rotation connection cooperation between the two.
As a further optimization or improvement of the present solution.
The below of guide board is provided with the buckler with safety cover fixed connection, install the output shaft axial of private clothes motor and the coaxial arrangement of safety cover in the buckler, the output shaft coaxial coupling of private clothes motor is provided with the drive shaft, the output activity of drive shaft passes the buckler, the guide board, water collector and filter disc and the output terminal surface of drive shaft flushes with the up end of bottom plate mutually, the output terminal surface of drive shaft and centrifugal scraper's lower extreme fixed connection, the drive shaft constitutes sealed swivelling joint cooperation with buckler and water collector, the drive shaft constitutes the rotary type with the filter disc and is connected the cooperation.
As a further optimization or improvement of the present solution.
Air-dry mechanism include that coaxial fixed mounting is in the annular holder of safety cover opening part, holder up end all is provided with a plurality of cross arrangement's protection rib with lower terminal surface, protection rib radially arranges along the holder and has a plurality ofly along the circumferencial direction array of holder, the cross section swivelling joint cooperation of expansion pipe and protection rib, the inside coaxial fan that is provided with of holder and the coaxial fixed cover of fan connect on the expansion pipe, it rotates to drive the fan through the expansion pipe, the upper end opening part that makes row's husky mouth and safety cover forms inside and outside circulation's air current, this air current will air-dry the processing to the sand of centrifugation departure.
Compared with the prior art, the invention has the beneficial effects that:
1. the sand-water separation device has the advantages that the structure is novel and reliable, the principle is simple, the pipeline is utilized to convey a mixture of sand and water in a medium-distance and long-distance mode, the sand and the water are mixed and conveyed in a pressurizing mode at the input end of the pipeline, the sand and the water are separated at the output end of the pipeline, efficient conveying of the sand is achieved, and energy consumption is low;
2. the pipeline is flexible to lay, suitable for various complicated and changeable terrains, and strong in adaptability;
3. the starting place and the destination of sand conveying can be flexibly changed without the limitation of conveying equipment;
4. the backflow pipe is arranged, so that water can be recycled, and water resources are saved.
Detailed Description
Referring to fig. 1-29, a method for transporting sand for medium and long distance transfer includes the steps of:
a preparation stage;
s1: the operator firstly needs to configure the whole equipment, namely, to place the conveying device 100 at the starting place, to place the separating device 200 and the water storage tank 300 at the destination, to connect and connect the pipeline 400 between the conveying device 100 and the separating device 200, and to connect and connect the return pipe 500 between the water storage tank 300 and the conveying device 100;
(II) a conveying stage;
s2: the operator initially adds sand into the conveyor 100 and mixes it with water to form a sand-water mixture;
the conveying device 100 comprises a mixing cylinder 110, a sand adding mechanism 120 and a high-pressure water pump 140, wherein the sand adding mechanism 120 is used for conveying sand into the mixing cylinder 110, the high-pressure water pump 140 is used for conveying water into the mixing cylinder 110 in a pressurized manner, the sand and the water are mixed in the mixing cylinder 110 to form a sand-water mixture, and the sand-water mixture flows into the input end of the pipeline 400 under the action of water pressure;
the conveying device 100 further comprises a floor-type mounting frame 101, a circular front end cover 102 and a circular rear end 103 which are arranged at intervals and coaxially are fixedly mounted on the mounting frame 101, a main shaft 104 which can rotate around the axis direction of the main shaft is coaxially arranged between the front end cover 102 and the rear end cover 103, the main shaft 104, the front end cover 102 and the rear end cover 103 are in rotating connection and matching through bearings, a cylindrical roller 105 is coaxially fixedly sleeved on the main shaft 104, the roller 105 is located between the front end cover 102 and the rear end cover 103, the outer diameters of the roller 105, the front end cover 102 and the rear end cover 103 are equal, one end of the roller 105 is attached to the front end cover 102 and forms rotating sealing connection and matching, the other end of the roller 105 is attached to the rear end cover 103 and forms rotating sealing connection and matching, the mixing barrel 110 is arranged at the eccentric position of the roller 105, and the axial direction of the mixing barrel 110 is parallel to the axial direction of the roller 105, the mixing cylinders 110 penetrate through the end face of the roller 105, and six mixing cylinders 110 are arranged and arrayed along the circumferential direction of the roller 105;
the front end cover 102 is provided with a circular sand adding port 102a and a circular water adding port 102b, the calibers of the sand adding port 102a and the water adding port 102b are equal to the inner diameter of the mixing barrel 110, the sand adding port 102a is positioned right above the water adding port 102b and is vertically and symmetrically arranged along the axial lead direction of the roller 105, the sand adding mechanism 120 is butted with the sand adding port 102a, the high-pressure water pump 140 is butted with the water adding port 102b, one mixing barrel 110 is butted with the sand adding port 102a in an initial state, in the mixing process, the sand adding mechanism 120 adds sand from the sand adding port 102a into the mixing cylinder 110 aligned and communicated with the sand adding port 102a, the roller 105 intermittently rotates around the axis direction thereof by 60 degrees until the mixing cylinder 110 is aligned and communicated with the water adding port 102b, the high-pressure water pump 140 injects water into the mixing cylinder 110, and the sand and the water are mixed to form a sand-water mixture;
a circular discharge hole 103a is formed in the rear end cover 103, the caliber of the discharge hole 103a is equal to that of the mixing cylinder 110, the discharge hole 103a is coaxial with the water filling hole 102b, a discharge pipe 106 is arranged between the rear end cover 103 and the input end of the pipeline 400, the input end of the discharge pipe 106 is in butt joint with the discharge hole 103a, the output end of the discharge pipe 106 is in butt joint with the input end of the pipeline 400, and when a sand-water mixture is discharged, when the mixing cylinder 110 rotates to a position between the water filling hole 102b and the discharge hole 103a, the sand and the water are mixed to form the sand-water mixture;
in the working process of the mixing barrel 110, the main shaft 104 is driven by external force to perform 60-degree gradual intermittent rotation around the axial direction of the main shaft 104, the main shaft 104 drives the roller 105 to perform synchronous rotation, the mixing barrel 110 performs 60-degree gradual intermittent rotation along with the roller 105 around the axial direction of the main shaft 104, the mixing barrel 110 is circularly communicated with a discharge port 103a of a sand adding port 102a and a sand adding port 102b in a butt joint mode, when the mixing barrel 110 is communicated with the sand adding port 102a, sand is conveyed and added into the mixing barrel 110 through the sand adding port 102a by the sand adding mechanism 120, and when the mixing barrel 110 is communicated with the discharge port 103a of the sand adding port 102b, water is injected into the mixing barrel 110 by the high-pressure water pump 140, and the sand and the water are mixed to form a sand-water mixture;
s3: the high pressure water pump 140 pressurizes the sand water mixture and causes it to flow into the pipe 400, where it will flow along the pipe 400 from the beginning to the destination and be discharged to the separation device 200;
(III) a separation stage;
s4: the separation device 200 is started to operate, centrifugally dehydrates and discharges sand-water mixture to a destination, discharges water into the water storage tank 300, and returns water in the water storage tank 300 from the destination to the initial place along the return pipe 500 and supplies the water to the conveying device 100 for recycling;
separator 200 include cylindric safety cover 210, dehydration mechanism 220 and air-dry mechanism 230, the upper end opening of safety cover 210 arranges, the lower extreme seals and falls to the ground the setting, the inclination that is provided with the guide board 211 that the slope was arranged in the safety cover 210 and guide board 211 is 30 to 60, guide board 211 is located safety cover 210 along direction of height's middle part position, guide board 211 slope end below is provided with the row's sand mouth 212 that runs through safety cover 210, row's sand mouth 212 sets up along the incline direction downward sloping along guide board 211, dehydration mechanism 220 set up in safety cover 210 and be located the top of guide board 211, dehydration mechanism 220 is used for accepting the husky water mixture body of pipeline 400 exhaust and carries out centrifugal dehydration to it, makes the sand fall into to on to guide board 211 and make water flow into to water storage tank 300, air-dry mechanism 230 install in safety cover 210 upper end opening part and be used for making form between row's sand mouth 212 and safety cover 210's upper end opening part and the upper end opening part and form centrifugal dehydration to it The air drying treatment of the sand is realized by the air flow of the internal circulation and the external circulation;
the dehydration mechanism 220 comprises a circular water pan 221 which is coaxially arranged in the protective cover 210 and has an upward opening, the water pan 221 is positioned above the guide plate 211 and is fixedly connected with the guide plate 211, the bottom of the water pan 221 is communicated with the top of the water storage tank 300, the outer diameter of the water pan 221 is smaller than the inner diameter of the protective cover 210, a sand falling gap is formed between the water pan and the protective cover, a filter pan 222 with an upward opening is coaxially and fixedly arranged in the water pan 211, the filter pan 222 comprises a circular bottom plate 222a, an annular inclined plate 222b with an upward opening and a gradually increased opening, and an annular top plate 222c, the bottom plate 222a is matched with and fixedly connected with the lower end opening of the inclined plate 222b, the top plate 222c is matched with and fixedly connected with the upper end opening of the inclined plate 222b, the top plate 222c is fixedly attached to the upper end surface of the opening of the water pan 221, and a gap is reserved between the bottom plate 222a and the bottom of the water pan 221, the bottom plate 222a, the inclined plate 222b and the top plate 222c are all provided with a plurality of tiny filter holes, the aperture of each filter hole is smaller than the diameter of sand, a circular mounting plate 225 is coaxially and movably arranged above the bottom plate 222a and below the top plate 222c, the diameter of the mounting plate 225 is far smaller than that of the bottom plate 222a, the lower end face of the mounting plate 225 is provided with an arc-shaped centrifugal scraper 226, the lower end of the centrifugal scraper 226 is in contact with the bottom plate 222a to be flush, the upper end of the centrifugal scraper 223 is flush with the lower end face of the mounting plate 225, the centrifugal scrapers 226 are arranged in an involute mode from the center position of the bottom plate 222a to the edge position of the bottom plate 222a, and the centrifugal scrapers 226 are arranged in an array mode along the circumferential direction of the bottom plate 222 a;
in the process of separating and dehydrating the sand-water mixture, the sand-water mixture is discharged into the filter disc 222, water automatically passes through the filter holes and flows downwards into the water receiving disc 221, then flows into the water storage tank 300 from the water receiving disc 221 to circulate, meanwhile, the centrifugal scraper 226 is driven to rotate at a high speed around the axial direction of the mounting plate 225, the centrifugal scraper 226 sweeps sand out of the filter disc 222 along the bottom plate 222a and the inclined plate 222b and impacts the inner wall of the protective cover 210, then falls onto the guide plate 211 through the sand falling gap, and is discharged to the ground of a destination through the sand discharging port 212 under the action of the guide plate 211;
the dehydration mechanism 220 further comprises a hard straight movable pipe 223 and a hard L-shaped fixed pipe 224, wherein the movable pipe 223 and the protective cover 210 are coaxially arranged, the lower end of the movable pipe 223 is coaxially and fixedly connected with the mounting plate 225, the upper end of the movable pipe 223 extends above the protective cover 210, the lower end of the movable pipe 223 penetrates through the lower end face of the mounting plate 225, the input end of the fixed pipe 224 is in butt joint with the output end of the pipeline 400, the output end of the fixed pipe 224 is in butt joint with the upper end of the movable pipe 223, and the fixed pipe 223 and the fixed pipe are in rotating connection and matching;
a waterproof cover 228 fixedly connected with the protective cover 210 is arranged below the guide plate 221, a personal clothing motor 229 is installed in the waterproof cover 228, an output shaft of the personal clothing motor 229 is axially arranged coaxially with the protective cover 210, a driving shaft 227 is coaxially connected with the output shaft of the personal clothing motor 229, an output end of the driving shaft 227 movably penetrates through the waterproof cover 228, the guide plate 221, the water pan 221 and the filter pan 222, an output end face of the driving shaft 227 is flush with an upper end face of the bottom plate 222a, an output end face of the driving shaft 227 is fixedly connected with a lower end of the centrifugal scraper 226, the driving shaft 227, the waterproof cover 228 and the water pan 221 form sealed rotary connection matching, and the driving shaft 227 and the filter pan 222 form rotary connection matching.
Referring to fig. 1-29, a remote sand transportation device in water flow carrier comprises a transportation device 100, a separation device 200, a water storage tank 300, a pipeline 400 and a return pipe 500, wherein the transportation device 100 is located at the beginning of sand transportation, the separation device 200 and the water storage tank 300 are located at the destination of sand transportation, the pipeline 400 is connected and arranged between the transportation device 100 and the separation device 200, the return pipe 500 is connected and arranged between the water storage tank 300 and the transportation device 100, the transportation device 100 is initially used for mixing sand and water and the sand and water are transported into the separation device 200 along the pipeline 400 under the action of water pressure, the separation device 200 is used for carrying out centrifugal dehydration separation on sand and water mixture and unloading the sand to the destination and discharging and unloading water into the water storage tank 300, water in the water storage tank 300 flows back to the beginning from the destination along the return pipe 500 and is supplied to the transportation device 100 for recycling, the top of the reservoir 300 is provided with a refill opening 301, the input end of the pipe 400 is at the starting location and the output end is at the destination, and the input end of the return pipe 500 is at the destination and the output end is at the starting location.
The principle of transporting sand at medium and long distances is that an operator firstly needs to configure the whole equipment, namely, a transporting device 100 is placed at an initial place, a separating device 200 and a water storage tank 300 are placed at a destination, a pipeline 400 is connected and communicated between the transporting device 100 and the separating device 200, a return pipe 500 is connected and communicated between the water storage tank 300 and the transporting device 100, then the operator adds sand into the transporting device 100 at the initial place and mixes the sand with water to form a sand-water mixture, the transporting device 100 pressurizes the sand-water and enables the sand-water mixture to flow into the pipeline 400, the sand-water mixture flows to the destination along the pipeline 400 from the initial place and is discharged to the separating device 200 under the action of water pressure, the separating device 200 starts to operate and centrifugally dehydrates and separates the sand-water mixture and discharges the sand mixture to the destination, when the water is discharged and unloaded into the water storage tank 300, the water in the water storage tank 300 will flow back from the destination to the starting place along the return pipe 500 and be supplied to the conveying device 100 for recycling, and the circulation is performed, so that the sand can be conveyed at medium and long distances, and the water in the water storage tank 300 is lost along with the time, and the water can be added into the water storage tank 300 from the supply port 301.
Referring to fig. 1-2, the conveying device 100 includes a mixing barrel 110, a sand adding mechanism 120, and a high pressure water pump 140, wherein the sand adding mechanism 120 is used for conveying sand into the mixing barrel 110, the high pressure water pump 140 is used for conveying water into the mixing barrel 110 under pressure, the sand and the water are mixed in the mixing barrel 110 to form a sand-water mixture, and the sand-water mixture flows into the input end of the pipeline 400 under the action of water pressure.
Specifically, the conveying device 100 further includes a floor-type mounting frame 101, a circular front end cover 102 and a circular rear end 103 are fixedly mounted on the mounting frame 101, the circular front end cover 102 and the circular rear end 103 are arranged at an interval and coaxially, a main shaft 104 capable of rotating around the axis direction of the main shaft is coaxially arranged between the front end cover 102 and the rear end cover 103, the main shaft 104, the front end cover 102 and the rear end cover 103 are rotatably connected and matched through bearings, a cylindrical roller 105 is coaxially fixedly sleeved on the main shaft 104, the roller 105 is located between the front end cover 102 and the rear end cover 103, the outer diameters of the roller 105, the front end cover 102 and the rear end cover 103 are equal, one end of the roller 105 is attached to the front end cover 102 and forms a rotating type sealing connection and matching, the other end of the roller 105 is attached to the rear end cover 103 and forms a rotating type sealing connection and matching, the mixing cylinder 110 is arranged at an eccentric position of the roller 105, and the axial direction of the mixing cylinder 110 is parallel to the axial direction of the roller 105, the mixing cylinders 110 extend through the end face of the drum 105, and six mixing cylinders 110 are provided and arranged in an array in the circumferential direction of the drum 105.
More specifically, referring to fig. 5, in order to mix sand with water, a circular sand inlet 102a and a circular water inlet 102b are formed in the front end cover 102, the calibers of the sand inlet 102a and the water inlet 102b are equal to the inner diameter of the mixing barrel 110, the sand inlet 102a is located right above the sand inlet 102b and is arranged symmetrically up and down along the axial direction of the drum 105, the sand adding mechanism 120 is abutted with the sand inlet 102a, the high pressure water pump 140 is abutted with the water inlet 102b, one of the mixing barrels 110 is initially aligned with the sand inlet 102a, during mixing, the sand adding mechanism 120 adds sand from the sand inlet 102a into the mixing barrel 110 aligned with the sand inlet 102a, the drum 105 rotates intermittently at 60 ° around its axial direction until the mixing barrel 110 is aligned with the water inlet 102b, the high pressure water pump 140 injects water into the mixing barrel 110, the sand is mixed with water and forms a sand-water mixture.
More specifically, referring to fig. 5, in order to discharge the mixed sand-water mixture into the input end of the pipeline 400, the rear end cover 103 is provided with a circular discharge opening 103a, the caliber of the discharge opening 103a is equal to that of the mixing cylinder 110, the discharge opening 103a is coaxial with the water inlet 102b, a discharge pipe 106 is arranged between the rear end cover 103 and the input end of the pipeline 400, the input end of the discharge pipe 106 is in butt joint with the discharge opening 103a, the output end of the discharge pipe is in butt joint with the input end of the pipeline 400, and in the process of discharging the sand-water mixture, when the mixing cylinder 110 rotates to a position between the water inlet 102b and the discharge opening 103a, sand and water are mixed to form the sand-water mixture, and under the action of water pressure, the sand-water mixture enters the pipeline 400 through the discharge pipe 106.
In the working process of the mixing barrel 110, the main shaft 104 is driven by an external force to perform 60-degree gradual intermittent rotation around the axial direction of the main shaft 104, the main shaft 104 drives the roller 105 to perform synchronous rotation, the mixing barrel 110 performs 60-degree gradual intermittent rotation around the axial direction of the main shaft 104 along with the roller 105, the mixing barrel 110 is circularly communicated with a discharge port 103a of a sand adding port 102a and a sand adding port 102b, when the mixing barrel 110 is communicated with the sand adding port 102a, sand is conveyed and added into the mixing barrel 110 through the sand adding port 102a by the sand adding mechanism 120, when the mixing barrel 110 is communicated with the discharge port 103a of the sand adding port 102b, water is injected into the mixing barrel 110 by the high-pressure water pump 140, the sand and the water are mixed to form a sand-water mixture, and then the sand-water mixture enters the pipeline 400 through the discharge pipe 106 under the action of water pressure.
Referring to fig. 8, to enable the transfer of the added sand through the sand adding port 102a toward the mixing bowl 110, the sand adding mechanism 120 comprises a charging hopper 121, a feeding pipe 122 and a packing auger 123, the feeding pipe 122 is open at one end and closed at the other end, the open end of the feeding pipe 122 is coaxially aligned and communicated with the sand adding port 102a, the open end of the feeding pipe 122 is fixedly connected with the rear end cover 103, the loading hopper 121 is a rectangular funnel with a large opening at the upper part and a small opening at the lower part, the loading hopper 121 is positioned right above the feeding pipe 122 and the small opening of the loading hopper 121 is communicated with the middle part of the feeding pipe 122, the packing auger 123 is arranged in the feeding pipe 122 and extends from the open end to the closed end, and the packing auger 123 is coaxially and rotatably connected and matched with the closed end, the sand dropped from the hopper 121 into the feed pipe 122 is transferred and added into the mixing barrel 110 aligned and communicated with the sand adding port 102a by the rotation of the auger 123.
Specifically, in order to gradually rotate the main shaft 104 and simultaneously drive the auger 123 to continuously rotate, the mounting frame 101 is further provided with a driving mechanism 130, the driving mechanism 130 comprises a main motor 131 fixedly mounted on the mounting frame 101 and a transmission shaft 132 rotatably arranged on the mounting frame 101, the axial directions of an output shaft of the main motor 131 and the transmission shaft 132 are both parallel to the axial direction of the main shaft 104, a belt transmission assembly one 133 for connecting the output shaft of the main motor 131 and the driving end of the transmission shaft 132 is arranged between the output shaft of the main motor 131 and the driving end of the transmission shaft 132, the belt transmission assembly one 133 comprises a first driving pulley coaxially and fixedly sleeved on the output shaft of the main motor 131, a first driven pulley coaxially and fixedly sleeved on the driving end of the transmission shaft 132 and a first belt wound between the first driving pulley and the first driven pulley to form a closed loop, the driving end of the main shaft 104 extends outwards and extends to the position right above the output end of the transmission shaft 132, an intermittent sheave transmission assembly 135 connecting the output end of the transmission shaft 132 and the driving end of the main shaft 104 is arranged between the output end of the transmission shaft 132 and the driving end of the main shaft 104, the intermittent sheave transmission assembly 135 can transmit power on the transmission shaft 132 to the main shaft 104 and drive the transmission shaft 104 to rotate gradually, the main shaft 104 rotates 60 degrees around the self axial direction per circle around the self axial direction, the driving end of the packing auger 123 extends outwards and extends to the upper part of the main shaft 104, a belt transmission assembly II 134 for connecting the transmission shaft 132 and the driving end of the packing auger 123 is arranged between the transmission shaft 132 and the driving end of the packing auger 123, the belt transmission assembly II 134 comprises a driving pulley II coaxially and fixedly sleeved on the middle position of the transmission shaft 132 along the axial direction, a driven pulley II coaxially and fixedly sleeved on the driving end of the packing auger 123, and a belt II forming a closed loop is wound between the driving pulley II and the driven pulley II, and the main shaft 104 and the packing auger 123 are driven simultaneously by the main motor 131, low energy consumption and compact structure.
During the working process of the driving mechanism 130, the main motor 131 is started, the first belt transmission assembly 133 transmits power on the output shaft of the main motor 131 to the transmission shaft 132 and drives the transmission shaft 132 to rotate, the intermittent sheave transmission assembly 135 transmits the power on the transmission shaft 132 to the main shaft 104 and drives the main shaft to gradually rotate around the axial direction of the main shaft by 60 degrees, the main shaft 104 drives the drum 105 and the mixing cylinder 110 to synchronously rotate to realize the gradual rotation driving of the mixing cylinder 110, meanwhile, the second belt transmission assembly 134 transmits the power on the transmission shaft 132 to the auger 123 and drives the auger 123 to continuously rotate, and the auger 123 conveys sand in the feeding pipe 122 to be added into the mixing cylinder 110.
Referring to fig. 13, the water inlet end of the high pressure water pump 140 is connected to the output end of the return pipe 500, the water outlet end of the high pressure water pump 140 is connected to a water pipe 141, the output end of the water pipe 141 is connected to the water inlet 102b, during operation, the high pressure water pump 140 pumps water in the high pressure water pump through the return pipe 500 and pressurizes the water to be discharged from the water pipe 141, and the discharged water enters the mixing cylinder 110 and is mixed with sand in the mixing cylinder 110.
Referring to fig. 14 to 19, as a more preferable aspect of the present invention, in order to increase the efficiency of transporting the sand-water mixture along the pipeline 400, the water pressure in the pipeline 400 needs to be increased, for this purpose, the discharge pipe 106 includes a first discharge pipe 106a connected to the discharge port 103a, and a second discharge pipe 106b connected to the input end of the pipeline 400, a pressurizing mechanism 150 is disposed between the first discharge pipe 106a and the second discharge pipe 106b for connecting them, the pressurizing mechanism 150 includes a first butt pipe 151, a second butt pipe 152, and an intermediate pipe 153, one end of the first butt pipe 151 is coaxially connected to the first discharge pipe 106a, one end of the second butt pipe 152 is coaxially connected to the second discharge pipe 106b, the intermediate pipe 153 is disposed between the first butt pipe 151 and the second butt pipe 152, and one end of the intermediate pipe 153 is coaxially connected to the other end of the first butt pipe 151, and the other end of the second butt pipe 152 is coaxially connected to the other end of the second butt pipe 152, the middle tube 153 includes an inner tube 154a and an outer tube 154b coaxially arranged, the outer tube 154b has a length equal to half of the length of the inner tube 154a and extends from a middle position of the inner tube 154a to an output end of the inner tube 154a, the outer tube 154b is sleeved outside the inner tube 154a and forms an annular inner cavity between the inner tube 154a and the outer tube 154b, the inner cavity is closely arranged near an input end of the inner tube 154a and is open near an output end of the inner tube 154a, an inner diameter of the first butt-joint tube 151 is equal to an inner diameter of the inner tube 154a and an output end of the first butt-joint tube 151 is coaxially butted with the input end of the inner tube 154a, an outer diameter of an input end of the second butt-joint tube 152 is equal to an inner diameter of an output end of the outer tube 154b and an input end of the second butt-joint tube 152 is coaxially and sealingly fitted with the output end of the outer tube 154b, the water discharge end of the high-pressure water pump 140 is also communicated with a second water pipe 142, the output end of the second water pipe 142 is communicated with the closed end of the inner cavity, high-pressure water is input into the second butt joint pipe 152 through the inner cavity while high-pressure water is input into the mixing barrel 110 through the high-pressure water pump 140, so that the water pressure of the sand-water mixture is increased when the sand-water mixture flows through the pressurization mechanism 150, and the conveying efficiency of the sand-water mixture along the pipeline 400 is improved.
Specifically, in order to facilitate the connection and communication between the second water pipe 142 and the closed end of the inner cavity and the dispersion of the high-pressure water flow, an annular clamping groove 154c is formed on the outer circumferential surface of the input end of the inner pipe 154a, a first through hole 154d penetrating toward the inner cavity is formed on the sidewall of the annular clamping groove 154c close to the inner cavity, the axial direction of the first through hole 154d is parallel to the axial direction of the inner pipe 154a, the first through hole 154d is provided with a plurality of annular clamping blocks 154a and is arranged in an array along the circumferential direction of the inner pipe 154a, an annular clamping block 155a matched with the annular clamping groove 154c is coaxially and fixedly sleeved on the output end of the first butt joint pipe 151, the annular clamping block 155a is sleeved in the annular clamping groove 154c and forms a sealed connection and matching with the annular clamping groove 154c, an annular transition cavity is formed in front of the annular clamping block 155a, an annular pipe 155c is coaxially and fixedly arranged outside the annular clamping groove 155a, the input end of the annular pipe 155c is connected and communicated with the output end of the second water pipe 142, the annular fixture block 155a is provided with a second through hole 155b which penetrates inside and outside and is arranged along the radial direction, the second through hole 155b is provided with a plurality of through holes which are arranged along the circumferential direction of the annular fixture block 155a, the transition cavity is communicated with the input end of the first through hole 154d and communicated with the output end of the second through hole 155b, a transition pipe which is connected and communicated with the input end of the second through hole 155b and the annular pipe 155c is arranged between the input end of the second through hole 155b and the annular pipe 155c, the axial direction of the transition pipe is arranged along the radial direction of the annular fixture block 155a, the transition pipe is provided with a plurality of through holes which are communicated with the input ends of the second through holes 155b in a one-to-one correspondence manner, the significance of the scheme is achieved, high-pressure water flow in the second water pipe 142 is divided into a plurality of branches which are input into the second butt joint pipes 152, the branch flow direction is consistent with the flow direction of the sand-water mixture, and the stability and the reliability of the booster mechanism 150 are improved.
Referring to fig. 20 to 28, the separation device 200 includes a cylindrical protective cover 210, a dewatering mechanism 220 and an air drying mechanism 230, the upper end of the protective cover 210 is open, the lower end of the protective cover is closed and is disposed on the ground, a guide plate 211 disposed in the protective cover 210 in an inclined manner is provided, the inclined angle of the guide plate 211 is 30 ° to 60 °, the guide plate 211 is located at the middle position of the protective cover 210 along the height direction, a sand discharge port 212 penetrating through the protective cover 210 is disposed below the inclined end of the guide plate 211, the sand discharge port 212 is inclined downward along the inclined direction of the guide plate 211, the dewatering mechanism 220 is disposed in the protective cover 210 and is located above the guide plate 211, the dewatering mechanism 220 is used for receiving a sand-water mixture discharged from the pipeline 400 and performing centrifugal dewatering treatment on the mixture, so that sand falls onto the guide plate 211 and flows into the water storage tank 300, the air drying mechanism 230 is mounted at the upper end of the protective cover 210 and is used for enabling the sand discharge port 212 and the protective cover 210 And an internal and external circulating air flow is formed between the openings at the upper end to realize the air drying treatment of the sand.
Specifically, referring to fig. 23 to 25, the dewatering mechanism 220 includes a circular water pan 221 coaxially disposed inside the protective cover 210 and having an upward opening, the water pan 221 is located above the guide plate 211 and fixedly connected to the guide plate 211, the bottom of the water pan 221 is connected to the top of the water storage tank 300, the outer diameter of the water pan 221 is smaller than the inner diameter of the protective cover 210, a sand falling gap is formed between the water pan and the protective cover, a filter pan 222 having an upward opening is coaxially and fixedly disposed inside the water pan 211, the filter pan 222 includes a circular bottom plate 222a, an annular inclined plate 222b having an upward opening and gradually increasing, and an annular top plate 222c, the bottom plate 222a is adapted to and fixedly connected to the lower end opening of the inclined plate 222b, the top plate 222c is adapted to and fixedly connected to the upper end opening of the inclined plate 222b, the top plate 222c is fixedly attached to the upper end surface of the opening of the water pan 221, and a gap is left between the bottom plate 222a and the bottom of the water pan 221, the bottom plate 222a, the inclined plate 222b and the top plate 222c are all provided with a plurality of tiny filter holes, the aperture of each filter hole is smaller than the diameter of sand, a circular mounting plate 225 is coaxially and movably arranged above the bottom plate 222a and below the top plate 222c, the diameter of the mounting plate 225 is far smaller than that of the bottom plate 222a, the lower end face of the mounting plate 225 is provided with an arc centrifugal scraper 226, the lower end of the centrifugal scraper 226 is in contact with the bottom plate 222a to be flush, the upper end of the centrifugal scraper 223 is flush with the lower end face of the mounting plate 225, the centrifugal scraper 226 is arranged in an involute mode from the center position of the bottom plate 222a to the edge position of the bottom plate 222a, and the centrifugal scrapers 226 are arranged in an array mode along the circumferential direction where the bottom plate 222a is located.
In the separation and dehydration process of the sand-water mixture, the concrete expression is that, by discharging the sand-water mixture into the filter disc 222, water automatically passes through the filter holes and flows downwards into the water receiving disc 221, and then flows into the water storage tank 300 from the water receiving disc 221 to circulate, meanwhile, the centrifugal scraper 226 is driven to rotate at a high speed around the axial direction of the mounting plate 225, the centrifugal scraper 226 sweeps sand along the bottom plate 222a and the inclined plate 222b to fly out of the filter disc 222 and impact the inner wall of the protective cover 210, and then the sand falls onto the guide plate 211 through the sand falling gap, and is discharged to the ground of a destination through the sand outlet 212 under the action of the guide plate 211.
More specifically, in order to enable the sand-water mixture discharged from the pipeline 400 to flow into the filter disc 222, the dewatering mechanism 220 further includes a rigid movable pipe 223 and a rigid L-shaped fixed pipe 224, wherein the movable pipe 223 and the protective cover 210 are coaxially arranged, the lower end of the movable pipe 223 and the mounting plate 225 are coaxially and fixedly connected, the upper end of the movable pipe extends above the protective cover 210, the lower end of the movable pipe 223 penetrates through the lower end surface of the mounting plate 225, the input end of the fixed pipe 224 is in butt joint with the output end of the pipeline 400, the output end of the fixed pipe 224 is in butt joint with the upper end of the movable pipe 223, the fixed pipe 224 and the movable pipe 223 are in rotation connection and matching, and the sand-water mixture in the pipeline 400 is discharged into the filter disc 222 through the matching of the fixed pipe 224 and the movable pipe 223 for separation.
More specifically, referring to fig. 6, in order to drive the centrifugal scraper 226 to rotate at a high speed around the axial direction of the mounting plate 225, a waterproof cover 228 fixedly connected with the protective cover 210 is arranged below the guide plate 221, a private clothes motor 229 is arranged in the waterproof cover 228, the output shaft of the private clothes motor 229 is arranged coaxially with the protective cover 210, the output shaft of the private clothes motor 229 is arranged coaxially with a driving shaft 227, the output end of the driving shaft 227 movably penetrates through the waterproof cover 228, the guide plate 221, the water pan 221 and the filter pan 222, the output end face of the driving shaft 227 is flush with the upper end face of the bottom plate 222a, the output end face of the driving shaft 227 is fixedly connected with the lower end of the centrifugal scraper 226, the driving shaft 227 forms a sealed rotary connection fit with the waterproof cover 228 and the water pan 221, the driving shaft 227 forms a rotary connection fit with the filter pan 222, the centrifugal scraper 226 is driven by the clothes motor 229, The rotation of the stabilizer plate 225 and the movable tube 223 about the axial direction of the driving shaft 227 sweeps and centrifuges the sand.
Referring to fig. 27 and 28, the air drying mechanism 230 includes an annular holder 231 coaxially and fixedly installed at the opening of the protective cover 210, the upper end surface and the lower end surface of the holder 231 are both provided with a plurality of protective ribs arranged in a crossed manner, the protective ribs are arranged along the radial direction of the holder 231 and are arrayed in a plurality along the circumferential direction of the holder 231, the movable tube 223 is rotatably connected and matched with the crossed portion of the protective ribs, a fan 232 is coaxially arranged inside the holder 231, the fan 232 is coaxially and fixedly sleeved on the movable tube 223, the movable tube 223 drives the fan 232 to rotate, so that an internal and external circulating air flow is formed at the opening at the upper end of the protective cover 210 and the sand discharge port 212, and the air flow is used for air drying centrifugally flying sand.