CN107725960A - A kind of valve module for preventing water hammer for colliery - Google Patents
A kind of valve module for preventing water hammer for colliery Download PDFInfo
- Publication number
- CN107725960A CN107725960A CN201711128901.9A CN201711128901A CN107725960A CN 107725960 A CN107725960 A CN 107725960A CN 201711128901 A CN201711128901 A CN 201711128901A CN 107725960 A CN107725960 A CN 107725960A
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- Prior art keywords
- housing
- water hammer
- valve module
- preventing water
- pressure
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 239000012528 membrane Substances 0.000 claims description 17
- 238000003825 pressing Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 2
- 239000003245 coal Substances 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000002265 prevention Effects 0.000 abstract 1
- 210000002683 foot Anatomy 0.000 description 13
- 230000000694 effects Effects 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000009527 percussion Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical class C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002802 bituminous coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003415 peat Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/10—Other safety measures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/22—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00 by means of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
- F16L55/05—Buffers therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/04—Devices damping pulsations or vibrations in fluids
- F16L55/045—Devices damping pulsations or vibrations in fluids specially adapted to prevent or minimise the effects of water hammer
- F16L55/055—Valves therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/07—Arrangement or mounting of devices, e.g. valves, for venting or aerating or draining
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
- Details Of Valves (AREA)
Abstract
The invention discloses a kind of valve module for preventing water hammer for colliery, the valve module includes housing and is arranged at the feet of housing bottom, aqueduct is connected with the left of the housing, connected between the housing and aqueduct by check-valves, baffle plate is hinged with inside the check-valves, the housing right hand top is provided with delivery port, on the left of the delivery port lower connector is provided with positioned at housing, water hammer housing is connected with the lower connector, running through on the water hammer housing has guide rod, water-supply-pipe is connected with the left of the water hammer housing, the water hammer housing inner bottom part and lower connector interface are provided with stopper, at the top of the stopper gag lever post is provided with positioned at water hammer housing, the gag lever post bottom is provided with pressure sensor.Effective prevention current of the invention impact damage to pump assembly, while enter current in water hammer housing, are drained by water-supply-pipe, effectively reduce impact of the current to housing, improve coal production process safety.
Description
Technical field
The present invention relates to Coal Mining Technology field, specially a kind of valve module for preventing water hammer for colliery.
Background technology
Colliery is the mankind in the region of the mining area exploitation coal resources rich in coal, is generally divided into underground mine and outdoor coal
Ore deposit.When coal seam is remote from earth's surface, it is typically chosen to underground and digs tunnel digging coal, this is underground mine.When coal seam is away from earth's surface
Distance it is close when, be typically chosen directly peel off surface soil layer excavate coal, this is open coal mine.China overwhelming majority colliery belongs to
In underground mine.Colliery scope includes above and below ground and the very big region of related facility.Colliery is the mankind in digging rich in having
The proportional space excavated during the geological stratification of coal, generally include tunnel, well cave and face etc..Coal is most important solid
Fuel, it is one kind of kaustobilite.It is the plant in great numbers grown by certain geological epoch, in suitable geological environment
In, thick-layer is gradually piled into, and be buried in water-bed or silt, formed by very long geochronic geochronic natural incoalation
's.It is most with producing coal in the stratum in the Carboniferous Period, the Permian Period, Jurassic Period and the Tertiary Period in the world in Various Geolcgical Ages, it is important
Coal-forming age.The phosphorus content of coal is generally 46~97%, brown to black, has dim to metallic luster.According to coalification
The difference of degree, coal can be divided into peat, lignite, bituminous coal and the class of anthracite four.
, it is necessary to use the drainage equipment such as pump in process of coal mining, installed in pump house and pipe-line system, often
It was found that in system operation, when in artificial termination of pumping or accidental power failure, in an instant, pipe-line system occurs one very big
The impulsive force of water, water pump, valve and pipeline are impacted, some possibility water attacks are very light, but some is very serious, can produce what is more
Serious quality accident.It is existing prevent water-hammer device safeguard procedures it is single, protection effect is unsatisfactory, can not monitor in real time
The change of water flow impact pressure, data can not be provided, convenient follow-up monitoring contrast, be unfavorable for the maintenance of equipment.
The content of the invention
It is an object of the invention to provide a kind of valve module for preventing water hammer for colliery, is being stopped with avoiding or mitigating to work as
Pump, have a power failure in an instant, the impulsive force of the water of pipe-line system, the harm for avoiding water hammer from bringing, improve the security of coal production.
To achieve the above object, the present invention provides following technical scheme：A kind of valve module for preventing water hammer for colliery,
Including housing and be arranged at the feet of housing bottom, be connected with aqueduct on the left of the housing, the housing and aqueduct it
Between connected by check-valves, baffle plate is hinged with inside the check-valves, the housing right hand top is provided with delivery port, the water outlet
Lower connector is provided with positioned at housing on the left of mouthful, water hammer housing is connected with the lower connector, is run through on the water hammer housing
There is guide rod, water-supply-pipe is connected with the left of the water hammer housing, the water hammer housing inner bottom part and lower connector interface are provided with gear
Plug, the stopper top are provided with gag lever post positioned at water hammer housing, and the gag lever post bottom is provided with pressure sensor, the lower company
Compressed air cylinder is provided with the left of interface, the compressed air cylinder side is connected with airway tube, and the airway tube is set through housing
Put, the airway tube bottom is provided with air scoop, and close compressed air cylinder side is provided with magnetic valve on the airway tube.
Preferably, the feet is U-steel, and the feet upper bottom portion side offers positioning hole, the housing and feet
Fixed using welding manner.
Preferably, the baffle plate is hinged by removable pin, and position-limited rack is provided with the left of baffle plate on the check-valves, described
Baffle bottom side is provided with piston rod.
Preferably, flange is welded with the lower connector and water hammer housing, the flange is bolted to connection.
Preferably, pressing plate is provided with the top of the guide rod, the guide rod bottom is welded with briquetting.
Preferably, the magnetic valve and pressure sensor are electrically connected with.
Preferably, the airway tube is inverted U, and waterproof ventilated membrane, and the layer of waterproof ventilated membrane are provided with the air scoop
Number is no less than three layers.
Preferably, the main body of the housing is in a tubular form.
Preferably, the material of the airway tube in the air press-in housing in the compressed air cylinder is stainless steel, end
Waterproof ventilated membrane is provided with air scoop, and the number of plies of waterproof ventilated membrane is no less than three layers, effectively to avoid water from entering in tank body.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) present invention in housing and aqueduct junction by setting check-valves, the check-valves controlled using water (flow) direction
Keying, can be effective to prevent current from impacting damage to pump assembly when water hammer occurs；
(2) enter current in water hammer housing, drained by water-supply-pipe, effectively reduce impact of the current to housing；
(3) using the active force of pressure sensor sensing current, impulsive force caused by current can be monitored in real time, there is provided data
Contrast, is opened and closed by solenoid valve control airway tube, can import compressed air when water hammer occurs to eliminate current
Impulsive force, triple protection effects, improve the security of pump assembly during coal production.
Brief description of the drawings
Fig. 1 is structural representation under normal operating conditions of the present invention；
Structural representation under working condition when Fig. 2 is present invention generation water hammer；
Fig. 3 is mplifying structure schematic diagram at A of the present invention.
In figure：1 housing, 2 feets, 3 aqueducts, 4 check-valves, 5 baffle plates, 6 removable pins, 7 piston rods, 8 position-limited racks, 9 water outlets
Mouth, 10 times connectors, 11 flanges, 12 water hammer housings, 13 guide rods, 14 pressing plates, 15 water-supply-pipes, 16 airway tubes, 17 air scoops, 18 electricity
Magnet valve, 19 compressed air cylinders, 20 briquettings, 21 gag lever posts, 22 pressure sensors, 23 stoppers.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Embodiment 1：
Fig. 1-3 are referred to, the present invention provides a kind of technical scheme：A kind of valve module for preventing water hammer for colliery, should
Valve module includes housing 1 and is arranged at the feet 2 of the bottom of housing 1, and the left side of housing 1 is connected with aqueduct 3, the housing
Connected between 1 and aqueduct 3 by check-valves 4, baffle plate 5 is hinged with inside the check-valves 4, the right hand top of housing 1 is set
There is delivery port 9, the left side of delivery port 9 is provided with lower connector 10 positioned at housing 1, water hammer is connected with the lower connector 10
Housing 12, through there is guide rod 13 on the water hammer housing 12, the left side of water hammer housing 12 is connected with water-supply-pipe 15, the water hammer
The inner bottom part of housing 12 and the lower interface of connector 10 are provided with stopper 23, and the top of stopper 23 is provided with limit positioned at water hammer housing 12
Position bar 21, the bottom of gag lever post 21 are provided with pressure sensor 22, and the lower left side of connector 10 is provided with compressed air cylinder 19, institute
State the side of compressed air cylinder 19 and be connected with airway tube 16, the airway tube 16 is set through housing 1, the bottom of airway tube 16
Air scoop 17 is installed, the close side of compressed air cylinder 19 is provided with magnetic valve 18 on the airway tube 16, and the feet 2 is groove profile
Steel, the upper bottom portion side of feet 2 are offered positioning hole, the housing 1 and feet 2 and fixed using welding manner, the baffle plate 5
It is be hinged by removable pin 6, position-limited rack 8 is provided with positioned at the left side of baffle plate 5 on the check-valves 4, the bottom side of baffle plate 5, which is provided with, lives
Stopper rod 7, flange 11 is welded with the lower connector 10 and water hammer housing 12, the flange 11 is bolted to connection,
The top of guide rod 13 is provided with pressing plate 14, and the bottom of guide rod 13 is welded with briquetting 20, the magnetic valve 18 and pressure sensor
22 are electrically connected with, and the airway tube 16 is inverted U, and waterproof ventilated membrane, and the layer of waterproof ventilated membrane are provided with the air scoop 17
Number is no less than three layers.The main body of the housing is in a tubular form.
A kind of valve module for preventing water hammer for colliery of the present invention at work, is realized by following steps and avoids water
The harm of hammer：
S1：Water pump normal work, the baffle plate in check-valves are opened under the percussion of current；
S2：When pump working meets with power failure or termination of pumping, due to the inertia of pressure flow, water impact wave direction shell is produced
Flowed on the left of body；
S3：Baffle plate in check-valves resets under the impact of current, and current cannot be introduced into aqueduct, avoids making pump assembly
Into damage；
S4：The stopper that the interface of water hammer housing inner bottom part and lower connector is set, is opened in the presence of the impact of current,
Current enter water hammer enclosure interior, are drained by water-supply-pipe；
S5：The limited block and pressure sensor of water hammer housing bottom are during current and stopper are upward, pressure sensor
Pressure is detected, controls magnetic valve to open by control device of the pressure signal transmission to outside, then by the control device, presses
In air press-in housing in contracting air tank, the active force of an opposite direction is formed, to offset the water flow impact pressure of housing；Pressure
The airway tube in air press-in housing in contracting air tank is stainless steel airway tube, and waterproof and breathable is provided with the air scoop of end
Film, and the number of plies of waterproof ventilated membrane is no less than three layers, can effectively avoid water from entering in tank body.
In summary：A kind of valve module for preventing water hammer for colliery of the invention, by being connected in housing with aqueduct
Place sets check-valves, using the keying of the check-valves of water (flow) direction control, can effectively prevent water when water hammer occurs
Stream impacts damage to pump assembly, while enters current in water hammer housing, is drained by water-supply-pipe, effectively reduces water
The impact to housing is flowed, while using pressure sensor and the active force induction pressure of current, can be monitored in real time caused by current
Impulsive force, there is provided data comparison, opened and closed by solenoid valve control airway tube, it is empty can to import compression when water hammer occurs
Gas is to eliminate the impulsive force of current, triple protection effects, improves the security of pump assembly during coal production.
Embodiment 2：
Fig. 1-3 are referred to, the present invention provides a kind of technical scheme：A kind of valve module for preventing water hammer for colliery, should
Valve module includes housing 1 and is arranged at the feet 2 of the bottom of housing 1, and the left side of housing 1 is connected with aqueduct 3, the housing
Connected between 1 and aqueduct 3 by check-valves 4, baffle plate 5 is hinged with inside the check-valves 4, the right hand top of housing 1 is set
There is delivery port 9, the left side of delivery port 9 is provided with lower connector 10 positioned at housing 1, water hammer is connected with the lower connector 10
Housing 12, through there is guide rod 13 on the water hammer housing 12, the left side of water hammer housing 12 is connected with water-supply-pipe 15, the water hammer
The inner bottom part of housing 12 and the lower interface of connector 10 are provided with stopper 23, and the top of stopper 23 is provided with limit positioned at water hammer housing 12
Position bar 21, the bottom of gag lever post 21 are provided with pressure sensor 22, and the lower left side of connector 10 is provided with compressed air cylinder 19, institute
State the side of compressed air cylinder 19 and be connected with airway tube 16, the airway tube 16 is set through housing 1, the bottom of airway tube 16
Air scoop 17 is installed, the close side of compressed air cylinder 19 is provided with magnetic valve 18 on the airway tube 16, and the feet 2 is groove profile
Steel, the upper bottom portion side of feet 2 are offered positioning hole, the housing 1 and feet 2 and fixed using welding manner, the baffle plate 5
It is be hinged by removable pin 6, position-limited rack 8 is provided with positioned at the left side of baffle plate 5 on the check-valves 4, the bottom side of baffle plate 5, which is provided with, lives
Stopper rod 7, flange 11 is welded with the lower connector 10 and water hammer housing 12, the flange 11 is bolted to connection,
The top of guide rod 13 is provided with pressing plate 14, and the bottom of guide rod 13 is welded with briquetting 20, the magnetic valve 18 and pressure sensor
22 are electrically connected with, and the airway tube 16 is inverted U, and waterproof ventilated membrane, and the layer of waterproof ventilated membrane are provided with the air scoop 17
Number is no less than three layers.The main body of the housing is in a tubular form.
A kind of valve module for preventing water hammer for colliery of the present invention at work, is realized by following steps and avoids water
The harm of hammer：
S1：Water pump normal work, the baffle plate in check-valves are opened under the percussion of current；
S2：When pump working meets with power failure or termination of pumping, due to the inertia of pressure flow, water impact wave direction shell is produced
Flowed on the left of body；
S3：Baffle plate in check-valves resets under the impact of current, and current cannot be introduced into aqueduct, avoids making pump assembly
Into damage；
S4：The stopper that the interface of water hammer housing inner bottom part and lower connector is set, is opened in the presence of the impact of current,
Current enter water hammer enclosure interior, are drained by water-supply-pipe；
S5：The limited block and pressure sensor of water hammer housing bottom are during current and stopper are upward, pressure sensor
The pressure of water is detected, controls magnetic valve to open by control device of the pressure signal transmission to outside, then by the control device
Open, in the air press-in housing in compressed air cylinder, the active force of an opposite direction is formed, to offset the water impact of housing
Power；The airway tube in air press-in housing in compressed air cylinder is stainless steel airway tube, and waterproof is provided with the air scoop of end
Ventilated membrane, and the number of plies of waterproof ventilated membrane is no less than three layers, can effectively avoid water from entering in tank body.
In order to preferably reduce or avoid the harm of water hammer, pressure that the pressure sensor 22 detects is P, described pressure
Power P have to be larger than or during equal to threshold value P1 set in advance, and control device just can control magnetic valve 18 to open, and it is M1's to make quality
Pressure-air enters in housing 1, and now flow velocity of the pressure-air at magnetic valve 18 is V1；When the pressure sensor 22 detects
Pressure when to be P be P2 (P2 ＞ 1.5P1), control device control magnetic valve 18 is opened, and enters the pressure-air that quality is M2
In housing 1, now flow velocity of the pressure-air at magnetic valve 18 is V2；Wherein, the different pressures detected in pressure sensor 22
During power P, parameters meet following relation：
In above formula, α is season environment temperature coefficient, and when environment temperature is more than 15 degrees Celsius, α 2.5-3.7 are excellent
Elect 3 as；When environment temperature is less than 5 degrees Celsius, α 4.8-6.6, preferably 6；When environment temperature be more than 5 degrees Celsius and
At less than 15 degrees Celsius, α 4-4.7, preferably 4.5.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；It can be machine
Tool connects or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be two members
Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of valve module for preventing water hammer for colliery, the valve module includes housing (1) and is arranged at housing (1) bottom
The feet (2) in portion, it is characterised in that：Aqueduct (3), the housing (1) and aqueduct (3) are connected with the left of the housing (1)
Between connected by check-valves (4), is hinged with baffle plate (5) inside the check-valves (4), housing (1) right hand top is provided with
Delivery port (9), delivery port (9) left side are provided with lower connector (10) positioned at housing (1), connected on the lower connector (10)
Water hammer housing (12) is connected to, running through on the water hammer housing (12) has guide rod (13), is connected with the left of the water hammer housing (12)
Water-supply-pipe (15), water hammer housing (12) inner bottom part and lower connector (10) interface are provided with stopper (23), the stopper
(23) top is provided with gag lever post (21) positioned at water hammer housing (12), and gag lever post (21) bottom is provided with pressure sensor
(22) compressed air cylinder (19), is provided with the left of the lower connector (10), compressed air cylinder (19) side is connected with air guide
Manage (16), the airway tube (16) is set through housing (1), and airway tube (16) bottom is provided with air scoop (17), institute
State and be provided with magnetic valve (18) close to compressed air cylinder (19) side on airway tube (16).
A kind of 2. valve module for preventing water hammer for colliery according to claim 1, it is characterised in that：The feet
(2) it is U-steel, feet (2) the upper bottom portion side offers positioning hole, and the housing (1) and feet (2) use welding side
Formula is fixed.
A kind of 3. valve module for preventing water hammer for colliery according to claim 1, it is characterised in that：The baffle plate
(5) it is be hinged by removable pin (6), it is provided with position-limited rack (8), the baffle plate (5) on the left of baffle plate (5) on the check-valves (4)
Bottom side is provided with piston rod (7).
A kind of 4. valve module for preventing water hammer for colliery according to claim 1, it is characterised in that：The lower connection
Flange (11) is welded with mouth (10) and water hammer housing (12), the flange (11) is bolted to connection.
A kind of 5. valve module for preventing water hammer for colliery according to claim 1, it is characterised in that：The guide rod
(13) top is provided with pressing plate (14), and guide rod (13) bottom is welded with briquetting (20).
A kind of 6. valve module for preventing water hammer for colliery according to claim 1, it is characterised in that：The magnetic valve
(18) it is electrically connected with pressure sensor (22).
A kind of 7. valve module for preventing water hammer for colliery according to claim 1, it is characterised in that：The airway tube
(16) it is inverted U, waterproof ventilated membrane is provided with the air scoop (17), and the number of plies of waterproof ventilated membrane is no less than three layers.
A kind of 8. valve module for preventing water hammer for colliery according to claim any one of 1-7, it is characterised in that：Institute
The material for stating the airway tube (16) in the air press-in housing in compressed air cylinder (19) is stainless steel, end air scoop (17)
It is interior to be provided with waterproof ventilated membrane, and the number of plies of waterproof ventilated membrane is no less than three layers, effectively to avoid water from entering in tank body.
A kind of 9. valve module for preventing water hammer for colliery according to claim any one of 1-8, it is characterised in that：Institute
The material for stating the airway tube (16) in the air press-in housing in compressed air cylinder (19) is stainless steel, end air scoop (17)
It is interior to be provided with waterproof ventilated membrane, and the number of plies of waterproof ventilated membrane is no less than three layers, effectively to avoid water from entering in tank body.
A kind of 10. valve module for preventing water hammer for colliery according to claim any one of 1-9, it is characterised in that：
The pressure of the pressure sensor (22) detection is P, and described pressure P have to be larger than or during equal to threshold value P1 set in advance,
Control device can just control magnetic valve (18) to open, and the pressure-air that quality is M1 is entered in housing (1), now pressure-air
Flow velocity at magnetic valve 18 is V1；When it is P2 that the pressure of the pressure sensor (22) detection, which is P, control device control electricity
Magnet valve (18) is opened, and the pressure-air that quality is M2 is entered in housing (1), now stream of the pressure-air at magnetic valve (18) place
Speed is V2；Wherein P2 ＞ 1.5P1.
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| CN201711128901.9A CN107725960B (en) | 2017-11-15 | 2017-11-15 | Valve assembly for preventing water hammer in coal mine |
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| CN109185596A (en) * | 2018-09-05 | 2019-01-11 | 辽宁石油化工大学 | A kind of water impact preventing structure for pipeline |
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| Publication number | Publication date |
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| CN107725960B (en) | 2024-03-15 |
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