CN117848035A - Precisely controlled heat accumulating type tilting furnace - Google Patents
Precisely controlled heat accumulating type tilting furnace Download PDFInfo
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- CN117848035A CN117848035A CN202410055816.8A CN202410055816A CN117848035A CN 117848035 A CN117848035 A CN 117848035A CN 202410055816 A CN202410055816 A CN 202410055816A CN 117848035 A CN117848035 A CN 117848035A
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- preheating
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- 239000007769 metal material Substances 0.000 claims abstract description 78
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000004321 preservation Methods 0.000 claims description 24
- 230000001172 regenerating effect Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 8
- 238000002955 isolation Methods 0.000 claims description 6
- 238000013459 approach Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 239000012535 impurity Substances 0.000 abstract description 5
- 238000005058 metal casting Methods 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 16
- 230000006698 induction Effects 0.000 description 11
- 239000003345 natural gas Substances 0.000 description 8
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 5
- 239000000155 melt Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/02—Crucible or pot furnaces with tilting or rocking arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/14—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B2014/085—Preheating of the charge
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
Abstract
The invention relates to the technical field of metal casting equipment, in particular to a precisely controlled heat accumulating type tilting furnace, which comprises a furnace body; the tilting furnace also comprises a heating device and a preheating device; the preheating device is arranged at the input end of the furnace body, a feed inlet is arranged on the preheating device, and the metal material to be melted enters the preheating device through the feed inlet; the two ends of the heat supply device are respectively communicated with the preheating device and the furnace body, the heat supply device supplies hot air in the furnace body into the preheating device, and the metal material to be melted in the preheating device is not in direct contact with the hot air in the furnace body. The invention improves the working efficiency, and simultaneously the preheating device can isolate the hot air supplied by the heating device from the metal material positioned in the preheating device, thereby avoiding the chemical reaction of the metal material during preheating, and further leading to more impurities in the finally melted metal material.
Description
Technical Field
The invention relates to the technical field of metal casting equipment, in particular to a precisely controlled heat accumulating type tilting furnace.
Background
The lower stage of the tilting furnace is connected with a degassing box, the upper stage is connected with a circular aluminum melting furnace through a launder and is used for receiving the melt with qualified components after melting, excessive melt can be remained in the launder after the furnace receiving is finished, so that the resource waste is caused, the production cost is increased, the residual melt needs to be cleaned by staff, and the labor intensity of the staff is increased; the existing tilting furnace is difficult to keep the liquid level of the melt flowing out of the furnace stable, so that the product quality is affected to a certain extent.
Chinese patent CN110132005B discloses a manual tilting stove, including furnace body, furnace body toppling control part, chute, symmetry set up first pneumatic cylinder and the symmetry setting of furnace body one end are in the movable support of the furnace body other end first pneumatic cylinder is connected with the pump station through hydraulic oil pipe, the furnace body is close to the discharge gate has been seted up to the one end of movable support, the discharge gate with the one end of chute is connected, the chute top is provided with and is used for detecting the laser displacement sensor of fuse-element liquid level in the chute, laser displacement sensor installs on the sensor support, the other end of chute is connected with the casting machine, the chute is close to one end of discharge gate is provided with cleaning device.
Above-mentioned scheme can control the furnace body and go up and down, guarantees the stability of liquid level, and has still set up cleaning device, and cleaning device also need not to clear up the furnace body inside at every turn, and when clearing up through cleaning device, the temperature in the stove reduces gradually, and cleaning device is after clearing up, and the workman can also overhaul the furnace body, and after overhaul, the furnace body needs to rise to certain temperature and just can begin normal work, commonly known as the baker, but the baker should go on according to the structural feature of furnace body, the water content and the material performance of furnace body strictly. If the furnace body is incorrectly selected, the vapor pressure in the material is inevitably excessive, so that the material structure is peeled off or the thermal stress in the material is damaged, and the safe operation of the furnace body and the service life of the refractory material are seriously affected.
Chinese patent application CN104879774a discloses a furnace drying method of a tilting furnace, the tilting furnace comprises a furnace body, a charging furnace door arranged at the front end of the furnace body, a burner arranged at the end wall of the furnace body, and a sampling hole, the furnace body can rotate within the range of-30 ° to +30°, the furnace drying method comprises the following steps: (1) Opening the charging furnace door, igniting the baked natural gas air pipe, extending the baked natural gas air pipe into the furnace body of the tilting furnace from the sampling hole and the charging furnace door, controlling the natural gas flow in the baked natural gas air pipe to be 100-200 Nm3/h, and heating the baked natural gas air pipe to 400 ℃ at a speed of 40 ℃/h; (2) The baking natural gas air pipe is extracted, the charging furnace door is closed, the tilting furnace is kept at the constant temperature of 400 ℃ for 24 hours, and the furnace is frequently tilted back and forth, so that the furnace body is heated uniformly; (3) Introducing natural gas and combustion-supporting oxygen into the burner, igniting the burner, and adjusting the flow ratio of the natural gas to the combustion-supporting oxygen in the burner to heat the furnace body to 1350 ℃; the newly built tilting furnace is heated up at the speed of 4 ℃/h, and the tilting furnace for repair and cold repair is heated up at the speed of 13 ℃/h.
Above-mentioned scheme can guarantee that the furnace body is heated evenly on the baker to extension furnace body's life-span, but after the furnace body baker is accomplished and when melting the metal, current feeding mode, the temperature of metal material is lower, and the metal material enters into the furnace body and intensifies required time, has reduced production efficiency, and needs the manual work to carry out the feeding, has increased work load.
Disclosure of Invention
According to the heat accumulating type tilting furnace with precise control, the heat supply device transmits heat to the tilting bin through the heat conducting tube, so that the heat of the metal material to be melted in the tilting bin is continuously improved, meanwhile, the metal material to be melted can be prevented from being in direct contact with hot air supplied by the heat supply device in the preheating process of the metal material to be melted, chemical reaction with the hot air during preheating of the metal material to be melted is avoided, excessive impurities in a finished product after melting are further caused, meanwhile, the hot air around the heat conducting tube can flow to the metal material to be melted in the tilting bin faster through the circulating device, the tilting device can drive the tilting device to tilt according to the induction condition of the vibration induction rod, the tilting device can automatically pour the preheated metal material into the furnace body after the furnace body is melted and the finished product is discharged, and the workload of workers is reduced.
In order to solve the problems in the prior art, the invention provides a precisely controlled heat accumulating type tilting furnace, which comprises a furnace body; the tilting furnace also comprises a heating device and a preheating device; the preheating device is arranged at the input end of the furnace body, a feed inlet is arranged on the preheating device, and the metal material to be melted enters the preheating device through the feed inlet; the two ends of the heat supply device are respectively communicated with the preheating device and the furnace body, the heat supply device supplies hot air in the furnace body into the preheating device, and the metal material to be melted in the preheating device is not in direct contact with the hot air in the furnace body.
Preferably, the preheating device comprises a flipping device and a driving device; the turning device is in a cylindrical structure, is arranged at the input end of the furnace body, and is internally provided with a metal material to be melted; the driving device is arranged at one side of the turning device and connected with the turning device, and the driving device drives the turning device to rotate along the axis of the driving device.
Preferably, the preheating device further comprises an isolation device, the isolation device comprises a heat conduction pipe, the heat conduction pipe is in a spiral structure and is arranged on the periphery of the turning device around the axis of the turning device, the input end of the heat conduction pipe is communicated with the heat supply device, and the heat supply device guides hot air in the furnace body into the heat conduction pipe.
Preferably, the turning device comprises a turning bin and ventilation holes; the turning bin is arranged at the input end of the furnace body, the input end of the turning bin is communicated with the feed inlet, and the output end of the turning bin points to the input end of the furnace body; the air holes are arranged in a plurality of parts, and evenly penetrate through the side wall of the turning bin around the axis of the turning bin.
Preferably, the preheating device further comprises a circulating device, the circulating device is arranged on the periphery of the turning device around the axis of the turning device, the isolation device is positioned in the circulating device, and the circulating device drives hot air near the heat conducting pipe to flow into the turning device.
Preferably, the preheating device further comprises a transmission device, the transmission device is arranged between the circulating device and the driving device, and the driving device drives the circulating device to operate through the transmission device.
Preferably, the preheating device further comprises a heat preservation device, the heat preservation device has a heat preservation function, and the heat preservation device is sleeved on the periphery of the circulating device.
Preferably, the preheating device further comprises a tilting device, the tilting device is arranged on one side of the turning device, the tilting device can change the included angle between the axis of the turning device and the horizontal plane, and the tilting device drives the output end of the turning device to approach or depart from the input end of the furnace body.
Preferably, the preheating device further comprises a horizontal maintaining device, the horizontal maintaining device is arranged on one side of the tilting device, and the horizontal maintaining device provides support for the bottom of the turning device after the tilting device drives the turning device to restore to the horizontal state.
Preferably, a plurality of vibration sensing rods are arranged in the furnace body along the radial direction of the furnace body, the vibration sensing rods are uniformly arranged on the inner part of the furnace body around the axis of the furnace body, a controller is arranged on the furnace body, and the operation of the tilting device is controlled by the controller when the vibration sensing rods cannot sense vibration.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the heat supply device and the preheating device are arranged, so that the heat supply device transmits heat to the turning bin through the heat conduction pipe, the heat of the metal material to be melted in the turning bin is continuously improved, meanwhile, the metal material to be melted is prevented from being directly contacted with hot air supplied by the heat supply device in the process of preheating the metal material to be melted, the chemical reaction between the metal material to be melted and the hot air is avoided when the metal material to be melted is preheated, so that excessive impurities in a finished product after melting are caused, meanwhile, the hot air around the heat conduction pipe can flow to the metal material to be melted in the turning bin more quickly through the circulating device, the metal material to be melted can be preheated more quickly, and the tilting device can drive the turning device to tilt according to the induction condition of the vibration induction rod, so that the turning device can automatically pour the preheated metal material into the furnace body after the furnace body is melted and the finished product is discharged, and the workload of workers is reduced.
Drawings
Fig. 1 is a schematic perspective view of a precisely controlled regenerative tilting furnace.
Fig. 2 is a schematic perspective view of a precisely controlled regenerative tilting furnace.
Fig. 3 is an enlarged partial schematic view of the precisely controlled regenerative tilting furnace at a in fig. 2.
Fig. 4 is a schematic perspective view of a precisely controlled regenerative tilting furnace in cross section.
Fig. 5 is an enlarged partial schematic view of the precisely controlled regenerative tilting furnace at B in fig. 4.
Fig. 6 is an enlarged partial schematic view of the precisely controlled regenerative tilting furnace at C in fig. 4.
Fig. 7 is a perspective view of a precisely controlled regenerative tilting furnace with the furnace body and feed port removed.
FIG. 8 is a schematic perspective view of a precisely controlled regenerative tilting furnace with the furnace body and feed port removed.
Fig. 9 is a partially enlarged schematic view of a precisely controlled regenerative tilting furnace at D in fig. 8.
Fig. 10 is a schematic perspective view of a precisely controlled regenerative tilting furnace with the insulation shell, furnace body and feed port removed.
Fig. 11 is an enlarged partial schematic view of the precisely controlled regenerative tilting furnace at E in fig. 10.
The reference numerals in the figures are:
1. a furnace body; 11. a vibration sensing rod; 2. a heating device; 21. a heat supply pipe; 3. a preheating device; 31. a flipping device; 311. turning over the bin; 312. ventilation holes; 32. a driving device; 321. a first rotary driver; 322. a first gear; 323. a first toothed ring; 33. an isolation device; 331. a heat conduction pipe; 34. a circulation device; 341. a first casing; 3411. a circulation hole; 342. a second casing; 343. a fan; 35. a transmission device; 351. a second toothed ring; 352. a second gear; 353. a connecting shaft; 354. a fixing seat; 355. a first bevel gear; 356. a second bevel gear; 36. a heat preservation device; 361. a thermal insulation shell; 362. a connecting pipe; 37. a tilting device; 371. a mounting base; 372. a second rotary driver; 373. a rotating seat; 38. a level maintenance device; 381. a linear driver; 382. a support plate; 4. and a feed inlet.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1, 2, 4 and 7: an accurately controlled heat accumulating type tilting furnace comprises a furnace body 1; the tilting furnace also comprises a heating device 2 and a preheating device 3; the preheating device 3 is arranged at the input end of the furnace body 1, the preheating device 3 is provided with a feed inlet 4, and the metal material to be melted enters the preheating device 3 through the feed inlet 4; the two ends of the heat supply device 2 are respectively communicated with the preheating device 3 and the furnace body 1, the heat supply device 2 supplies hot air in the furnace body 1 into the preheating device 3, and the metal material to be melted in the preheating device 3 is not in direct contact with the hot air in the furnace body 1.
The furnace body 1 is in a rotating body structure, the furnace body 1 can rotate around the axis of the furnace body 1, the heat supply device 2 comprises a heat supply pipe 21, two ends of the heat supply pipe 21 are respectively communicated with the furnace body 1 and the preheating device 3, when the furnace is used, firstly, metal materials to be melted are put into the preheating device 3 through the feed inlet 4, the furnace body 1 is considered to be cold started, namely the furnace body 1 needs a period of preheating time, the metal materials in the preheating device 3 are called first metal materials, the first metal materials can be directly put into the furnace body 1 at the moment, because the heat in the preheating device 3 is extracted through high-temperature air in the furnace body 1 by the heat supply device 2 and the metal materials in the preheating device 3 are preheated, and the temperature in the furnace body 1 is not high enough at the moment, so that the first metal materials are directly put into the furnace body 1 to be heated and melted more quickly, and the first metal materials are put into the furnace body 1 for heating and melting speed is faster along with the time, the furnace body 1 heats and melts a first batch of metal materials, the melted metal materials heat air in the furnace body 1, at the moment, the heat supply device 2 supplies high-temperature gas in the furnace body 1 into the preheating device 3, then a second batch of metal materials are put into the preheating device 3 from the feed inlet 4, the preheating device 3 heats the metal materials, the preheating device 3 can isolate the hot air supplied by the heat supply device 2 from the metal materials in the furnace body, so that the hot air supplied by the heat supply device 2 does not react with the metal materials, the preheating device 3 only transfers the heat of the hot air in the furnace body 1 to the metal materials, after the first batch of metal materials are completely melted, the first batch of metal materials are discharged by the furnace body 1, then the preheating device 3 pours a second batch of metal materials into the furnace body 1, the furnace body 1 heats and melts the second batch of metal materials for the second time, after the second batch of metal materials are completely poured into the furnace body 1, the third batch of metal materials can be input from the feed inlet 4, and so on, so that the metal materials can be heated before being input into the furnace body 1, the time for heating the metal materials by the furnace body 1 is reduced, the working efficiency is improved, meanwhile, the preheating device 3 can isolate the hot air supplied by the heating device 2 from the metal materials positioned in the preheating device 3, the chemical reaction of the metal materials during preheating is avoided, and more impurities exist in the finally molten metal materials.
Referring to fig. 1, 4 and 6: the preheating device 3 comprises a flipping device 31 and a driving device 32; the turning device 31 is in a cylindrical structure, the turning device 31 is arranged at the input end of the furnace body 1, and metal materials to be melted are placed in the turning device 31; the driving device 32 is disposed at one side of the turning device 31 and connected to the turning device 31, and the driving device 32 drives the turning device 31 to rotate along its own axis.
The driving device 32 comprises a first rotary driver 321, a first gear 322 and a first toothed ring 323, the first toothed ring 323 is arranged on the input end of the turning device 31 along the axis of the turning device 31, the input end of the turning device 31 is connected with the feed inlet 4, metal materials pass through the input end of the turning device 31 and the output end of the turning device 31 in sequence through the feed inlet 4 and finally enter the furnace body 1 from the input end of the furnace body 1, the turning device 31 can be driven to synchronously rotate when the first toothed ring 323 rotates, the first gear 322 is arranged on one side of the first toothed ring 323 along the axis of the first toothed ring 323 in a rotating mode, the first toothed ring 323 and the first gear 322 are meshed with each other, the first rotary driver 321 is arranged at the end of the first gear 322, the first rotary driver 321 drives the gear to rotate, the first rotary driver 321 is preferably a servo motor, the first toothed ring 323 is driven to rotate through the first rotary driver 321, and then the turning device 31 which is connected with the first toothed ring 323 can rotate around the axis of the turning device 31, and the metal materials can not roll rapidly and be turned down in the turning device 31.
Referring to fig. 4-6: the preheating device 3 further comprises an isolating device 33, the isolating device 33 comprises a heat conducting pipe 331, the heat conducting pipe 331 is arranged on the periphery of the turning device 31 around the axis of the turning device 31 in a spiral structure, the input end of the heat conducting pipe 331 is communicated with the heat supply device 2, and the heat supply device 2 guides hot air in the furnace body 1 into the heat conducting pipe 331.
The input end of the heat conducting pipe 331 is communicated with the end of the heat supply pipe 21 away from the furnace body 1, when the preheating device 3 heats the metal material to be melted, the heat conducting pipe 331 needs to ensure that the metal material cannot generate uncontrollable chemical reaction during heating, namely, if hot air in the furnace body 1 is directly injected into the stirring device 31, the hot air in the furnace body 1 contains a plurality of types of gases, part of gases can generate chemical reaction with the metal material to be melted, further the chemical property of part of the metal material to be melted is changed, more impurities appear during melting, in order to avoid the occurrence of the situation, an isolation device 33 is arranged, the hot air is supplied into the heat conducting pipe 331 through the heat supply device 2, the heat conducting pipe 331 is arranged around the stirring device 31, the heat conducting pipe 331 transmits the heat in the hot air to the periphery of the stirring device 31, so that the metal material to be melted in the stirring device 31 is heated, the metal material in the furnace body 31 cannot be directly contacted with the hot air in the furnace body 1, and the situation that the metal material is chemically reacted during contacting with the hot air in the furnace body 1 is avoided.
Referring to fig. 4 and 5: the turning device 31 comprises a turning bin 311 and ventilation holes 312; the turning bin 311 is arranged at the input end of the furnace body 1, the input end of the turning bin 311 is communicated with the feed inlet 4, and the output end of the turning bin 311 points to the input end of the furnace body 1; the air holes 312 are arranged in a plurality, and the air holes 312 are uniformly and penetratingly formed on the side wall of the turning bin 311 around the axis of the turning bin 311.
The two ends of the turning bin 311 are provided with gate valves, when feeding is needed, the gate valve at one side of the turning bin 311 close to the feed inlet 4 is opened, the gate valve at one side of the turning bin 311 close to the furnace body 1 is closed, at the moment, an included angle exists between the axis of the turning bin 311 and the horizontal plane, one end of the turning bin 311 close to the feed inlet 4 is higher than one end of the turning bin 311 close to the furnace body 1, so that when metal materials are fed into the turning bin 311, the metal materials in the turning bin 311 can be more uniformly distributed in the turning bin 311, then the axis of the turning bin 311 is restored to a horizontal state, namely, the axis of the turning bin 311 is parallel to the horizontal plane, the gate valves at the two ends of the turning bin 311 are all closed, the driving device 32 drives the turning bin 311 to rotate, after preheating is finished, the axis of the turning bin 311 rotates again to form an included angle with the horizontal plane, at the moment, the gate valve at the moment, the turning bin 311 is close to the feed inlet 4, the turning bin 311 is close to the gate valve of the furnace body 1 and is opened, then the turning bin 311 inputs preheated metal materials into the furnace body 1, the axis of the turning bin 311 is collinear with the axis of the first toothed ring 323, one end of the turning bin 311 far away from the furnace body 1 is fixedly connected with the first toothed ring 323, when the first rotary driver 321 drives the first toothed ring 323 to rotate through the first gear 322, the turning bin 311 rotates along the axis of the first rotary driver, the metal materials in the turning bin 311 roll under the drive of the turning bin 311, ventilation holes 312 are arranged on the side wall of the turning bin 311, as the heat conducting tube 331 is arranged at the periphery of the turning bin 311 around the axis of the turning bin 311, and hot air pumped out from the furnace body 1 is stored in the heat conducting tube 331, thus the air around the heat conducting tube 331 is inevitably higher than the temperature in the turning bin 311, if the ventilation holes 312 are not arranged on the side wall of the turning bin 311, air around the heat conductive pipe 331 cannot enter the inside of the flipping bin 311, thereby prolonging the preheating time of the metal material in the flipping bin 311.
Referring to fig. 4, 5 and 9: the preheating device 3 further comprises a circulating device 34, the circulating device 34 is arranged on the periphery of the turning device 31 around the axis of the turning device 31, the isolating device 33 is positioned in the circulating device 34, and the circulating device 34 drives hot air near the heat conducting pipe 331 to flow into the turning device 31.
The circulation device 34 includes a first casing 341, a second casing 342, and a fan 343, the first casing 341 is disposed at the periphery of the turning bin 311 along the axis of the turning bin 311, the first casing 341 is rotationally matched with the turning bin 311 along the axis of the turning bin 311, the second casing 342 is disposed at the periphery of the first casing 341 along the axis of the turning bin 311, a gap is reserved between the outer side wall of the first casing 341 and the inner wall of the second casing 342, a heat conduction pipe 331 in a spiral shape is disposed in the gap along the axis of the turning bin 311, two sets of circulation holes 3411 are disposed on the first casing 341, the two sets of circulation holes 3411 are symmetrically disposed on the side wall of the first casing 341 about the axis of the first casing 341, each set of circulation holes 3411 includes a plurality of circulation holes 3411, the circulation holes 3411 in each set are uniformly arranged on the side wall of the first casing 341 along the axis of the first casing 341, the circulation holes 3411 are formed in the side wall of the first casing 341 in a penetrating manner along the radial direction of the first casing 341, the fans 343 are arranged on the circulation holes 3411, the number of the fans 343 corresponds to the number of the circulation holes 3411 one by one, when the preheating device 3 heats metal materials, gate valves at two ends of the turning cabin 311 are all in a closed state, so that the inner ring of the first casing 341 forms a cavity, the turning cabin 311 is positioned in the cavity, the driving device 32 drives the turning cabin 311 to rotate, the fans 343 and the driving device 32 are synchronously started, namely, when the driving device 32 drives the turning cabin 311 to rotate, the fans 343 synchronously rotate, the first casing 341 does not rotate along the axis of the fans, so that the turning cabin 311 positioned in the first casing 341 rotates relatively to the first casing 341, and air positioned in a gap between the first casing 341 and the second casing 342 enters the cavity from the group of circulation holes 3411 under the driving of the fans 343, meanwhile, air in the cavity enters the gap through the other group of circulating holes 3411, and the heat conducting pipe 331 is arranged in the gap, so that the heated air near the heat conducting pipe 331 can be continuously guided into the turning bin 311, and the metal material in the turning bin 311 can be rapidly heated.
Referring to fig. 8 and 9: the preheating device 3 further comprises a transmission device 35, wherein the transmission device 35 is arranged between the circulation device 34 and the driving device 32, and the driving device 32 drives the circulation device 34 to operate through the transmission device 35.
The transmission 35 includes a second ring gear 351, a second gear 352, a connecting shaft 353, a fixing seat 354, a first bevel gear 355 and a second bevel gear 356, the second ring gear 351 is disposed in a gap between the first casing 341 and the second casing 342 along an axis of the first ring gear 323, the second ring gear 351 is fixedly connected with the first ring gear 323, the second gear 352 is provided with two second gears 352 corresponding to two sets of circulation holes 3411, the two second gears 352 are symmetrically disposed about an axis of the first casing 341, the two second gears 352 are both disposed at a periphery of the second ring gear 351 and are engaged with the second ring gear 351, the connecting shaft 353 is fixedly disposed at an end portion of the second gear 352 along an axis of the second gear 352, the fixing seat 354 is fixedly disposed on a side wall of the first casing 341, the connecting shaft 353 penetrates the fixing seat 354 and is in running fit with the fixing seat 354 along an axis of the rotation shaft, a number of the first bevel gear 355 corresponds to a number of the circulation holes 3411 in each set of circulation holes 3411, the first bevel gear 355 is uniformly and fixedly arranged on the rotating shaft along the axis of the rotating shaft, the second bevel gear 356 is fixedly arranged at the end part of the fan 343 along the axis of the fan 343, the second bevel gear 356 is meshed with the first bevel gear 355, when the first toothed ring 323 rotates, the second toothed ring 351 rotates synchronously with the first toothed ring 323 due to the fixed connection of the first toothed ring 323 and the second toothed ring 351, the second toothed ring 351 drives the second gear 352 to rotate, the first bevel gear 355 arranged on the rotating shaft is driven to rotate, the first bevel gear 355 drives the second bevel gear 356 to rotate, the fan 343 fixedly connected with the second bevel gear 356 is driven to rotate, so that air in a gap can enter a cavity in the first casing 341, the air in the cavity can also enter the gap to be secondarily heated by the heat conducting pipe 331 in the gap, the fan 343 can be stably rotated at a high temperature by providing the transmission 35.
Referring to fig. 1, 7 and 8: the preheating device 3 further comprises a heat preservation device 36, the heat preservation device 36 has a heat preservation function, and the heat preservation device 36 is sleeved on the periphery of the circulating device 34.
The heat preservation device 36 comprises a heat preservation shell 361 and a connecting pipe 362, the heat preservation shell 361 is sleeved on the periphery of the second shell 342 along the axis of the first shell 341, an annular heat preservation cavity is formed between the heat preservation shell 361 and the second shell 342, two ends of the connecting pipe 362 are respectively communicated with the output end of the heat conduction pipe 331 and the annular heat preservation cavity, hot air guided out of the furnace body 1 by the heat supply pipe 21 flows into the connecting pipe 362 through the heat conduction pipe 331 and enters the annular heat preservation cavity under the guidance of the connecting pipe 362, the temperature of the hot air is reduced but is much higher than the temperature of the outside air, so that the hot air is injected into the annular heat preservation cavity to form a layer of heat preservation layer, the heat around the heat conduction pipe 331 is not easy to be rapidly dissipated, and a filtering device is arranged on one side of the heat preservation device 36 and filters and discharges the gas in the annular heat preservation cavity.
Referring to fig. 2, 3 and 7: the preheating device 3 further comprises a tilting device 37, the tilting device 37 is arranged on one side of the turning device 31, the tilting device 37 can change the included angle between the axis of the turning device 31 and the horizontal plane, and the tilting device 37 drives the output end of the turning device 31 to approach or depart from the input end of the furnace body 1.
The tilting device 37 comprises a mounting seat 371, a second rotary driver 372 and a rotating seat 373, wherein the rotating seat 373 is arranged below the turning device 31, the turning device 31 can synchronously rotate when the rotating seat 373 rotates, the mounting seat 371 is arranged below the rotating seat 373, the rotating seat 373 is rotatably arranged on the rotating seat 373, the second rotary driver 372 is arranged on the side wall of the mounting seat 371, the second rotary driver 372 is preferably a servo motor, the second rotary driver 372 is used for driving the rotating seat 372 to rotate, so that the included angle between the axis of the turning device 31 and the horizontal plane is changed, when the included angle between the axis of the turning device 31 and the horizontal plane is zero, the turning device 31 is in a horizontal state, and when the included angle between the axis of the turning device 31 and the horizontal plane is an acute angle, the turning device 31 is in a tilting state.
Referring to fig. 3 and 7: the preheating device 3 further comprises a horizontal maintaining device 38, the horizontal maintaining device 38 is arranged on one side of the tilting device 37, and the horizontal maintaining device 38 provides support for the bottom of the turning device 31 after the tilting device 37 drives the turning device 31 to restore to the horizontal state.
The horizontal maintaining device 38 includes a linear driver 381 and a supporting plate 382, the linear driver 381 is horizontally disposed on a side wall of the mounting base 371, the supporting plate 382 is fixedly disposed on an output end of the linear driver 381, the linear driver 381 is preferably a linear cylinder, and when the output end of the linear driver 381 drives the supporting plate 382 to extend, the supporting plate 382 provides support for a bottom of the rotating base 373, so that a pressure at the output end of the second rotary driver 372 can be reduced.
Referring to fig. 4: a plurality of vibration sensing rods 11 are arranged in the furnace body 1 along the radial direction of the furnace body 1, the vibration sensing rods 11 are uniformly arranged on the inner part of the furnace body 1 around the axis of the furnace body 1, a controller is arranged on the furnace body 1, and the tilting device 37 is controlled to operate through the controller when the vibration sensing rods 11 cannot sense vibration.
When the furnace body 1 melts the metal material to be melted, the furnace body 1 is in an inclined state and rotates along the axis of the furnace body 1, the metal material in the furnace body 1 is gradually melted, the vibration induction rod 11 arranged in the furnace body 1 synchronously rotates along with the furnace body 1, the vibration induction rod 11 collides with the metal material which is not melted in the furnace body 1 in the rotating process of the furnace body 1, vibration can be monitored by the vibration induction rod 11, the metal material in the furnace body 1 is not completely melted at the moment, the vibration induction rod 11 is provided with an induction time threshold, namely, the vibration induction rod 11 arranged in the furnace body 1 always does not monitor vibration along with the rotation of the furnace body 1, the metal material in the furnace body 1 is completely melted, then the furnace body 1 discharges the melted metal material, at the moment, the vibration induction rod 11 controls the operation of the tilting device 37 through the controller, the tilting device 31 is driven to incline, the included angle between the axis of the tilting device 31 and the horizontal plane of the furnace body gradually increases, the metal material in the tilting device 31 can be completely fallen into the furnace body 1, and the automatic feeding of the furnace body 1 can be accurately controlled at the moment.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.
Claims (10)
1. The heat accumulating type tilting furnace with accurate control comprises a furnace body (1);
the tilting furnace is characterized by further comprising a heat supply device (2) and a preheating device (3);
the preheating device (3) is arranged at the input end of the furnace body (1), the preheating device (3) is provided with a feed inlet (4), and the metal material to be melted enters the preheating device (3) through the feed inlet (4);
the two ends of the heat supply device (2) are respectively communicated with the preheating device (3) and the furnace body (1), the heat supply device (2) supplies hot air in the furnace body (1) into the preheating device (3), and the metal material to be melted in the preheating device (3) is not in direct contact with the hot air in the furnace body (1).
2. A precisely controlled tilting furnace according to claim 1, characterized in that the preheating device (3) comprises a turning device (31) and a drive device (32);
the turning device (31) is in a cylindrical structure, the turning device (31) is arranged at the input end of the furnace body (1), and a metal material to be melted is placed in the turning device (31);
the driving device (32) is arranged on one side of the turning device (31) and is connected with the turning device (31), and the driving device (32) drives the turning device (31) to rotate along the axis of the driving device.
3. The precisely controlled tilting furnace according to claim 2, characterized in that the preheating device (3) further comprises an isolating device (33), the isolating device (33) comprises a heat conducting tube (331), the heat conducting tube (331) is arranged on the periphery of the turning device (31) around the axis of the turning device (31) in a spiral structure, the input end of the heat conducting tube (331) is communicated with the heating device (2), and the heating device (2) guides hot air in the furnace body (1) into the heat conducting tube (331).
4. The precisely controlled regenerative tilting furnace according to claim 2, wherein the flipping means (31) comprises a flipping bin (311) and ventilation holes (312);
the turning bin (311) is arranged at the input end of the furnace body (1), the input end of the turning bin (311) is communicated with the feed inlet (4), and the output end of the turning bin (311) points to the input end of the furnace body (1);
the plurality of ventilation holes (312) are arranged, and the ventilation holes (312) uniformly penetrate through the side wall of the turning bin (311) around the axis of the turning bin (311).
5. A precisely controlled tilting furnace according to claim 3, characterized in that the preheating device (3) further comprises a circulation device (34), the circulation device (34) is arranged around the axis of the turning device (31) at the periphery of the turning device (31), the isolation device (33) is arranged in the circulation device (34), and the circulation device (34) drives the hot air near the heat conducting pipe (331) to flow into the turning device (31).
6. The precisely controlled tilting furnace according to claim 5, characterized in that the preheating device (3) further comprises a transmission device (35), the transmission device (35) being arranged between the circulating device (34) and the driving device (32), the driving device (32) driving the circulating device (34) to operate via the transmission device (35).
7. The precisely controlled tilting furnace according to claim 5, wherein the preheating device (3) further comprises a heat preservation device (36), the heat preservation device (36) has a heat preservation function, and the heat preservation device (36) is sleeved on the periphery of the circulating device (34).
8. The precisely controlled regenerative tilting furnace according to claim 1, wherein the preheating device (3) further comprises a tilting device (37), the tilting device (37) is arranged on one side of the tilting device (31), the tilting device (37) can change the included angle between the axis of the tilting device (31) and the horizontal plane, and the tilting device (37) drives the output end of the tilting device (31) to approach or depart from the input end of the furnace body (1).
9. The precisely controlled tilting furnace according to claim 8, characterized in that the preheating device (3) further comprises a level maintaining device (38), the level maintaining device (38) being arranged at one side of the tilting device (37), the level maintaining device (38) providing support for the bottom of the tilting device (31) after the tilting device (37) drives the tilting device (31) to resume its level.
10. The precisely controlled heat accumulating type tilting furnace according to claim 8, wherein a plurality of vibration sensing rods (11) are arranged in the furnace body (1) along the radial direction of the furnace body (1), the vibration sensing rods (11) are uniformly arranged on the inner part of the furnace body (1) around the axis of the furnace body (1), a controller is arranged on the furnace body (1), and the tilting device (37) is controlled to operate by the controller when the vibration sensing rods (11) cannot sense vibration.
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| US20170066672A1 (en) * | 2015-09-03 | 2017-03-09 | Johns Manville | Apparatus, systems, and methods for pre-heating feedstock to a melter using melter exhaust |
| CN111735301A (en) * | 2020-05-11 | 2020-10-02 | 湖北华磁电子科技有限公司 | Ferrite core heated air circulation sintering system |
| CN212205606U (en) * | 2020-04-21 | 2020-12-22 | 汉特曼轻金属铸造（天津）有限公司 | Melting furnace for processing aluminum alloy |
| CN114877679A (en) * | 2022-05-13 | 2022-08-09 | 朱成鑫 | Aluminum profile smelting furnace |
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- 2024-01-15 CN CN202410055816.8A patent/CN117848035B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170066672A1 (en) * | 2015-09-03 | 2017-03-09 | Johns Manville | Apparatus, systems, and methods for pre-heating feedstock to a melter using melter exhaust |
| CN212205606U (en) * | 2020-04-21 | 2020-12-22 | 汉特曼轻金属铸造（天津）有限公司 | Melting furnace for processing aluminum alloy |
| CN111735301A (en) * | 2020-05-11 | 2020-10-02 | 湖北华磁电子科技有限公司 | Ferrite core heated air circulation sintering system |
| CN114877679A (en) * | 2022-05-13 | 2022-08-09 | 朱成鑫 | Aluminum profile smelting furnace |
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