CN214655103U - Quenching device for mining machinery parts - Google Patents
Quenching device for mining machinery parts Download PDFInfo
- Publication number
- CN214655103U CN214655103U CN202120929603.5U CN202120929603U CN214655103U CN 214655103 U CN214655103 U CN 214655103U CN 202120929603 U CN202120929603 U CN 202120929603U CN 214655103 U CN214655103 U CN 214655103U
- Authority
- CN
- China
- Prior art keywords
- quenching
- oil mist
- cooling
- device shell
- oil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010791 quenching Methods 0.000 title claims abstract description 70
- 230000000171 quenching effect Effects 0.000 title claims abstract description 69
- 238000005065 mining Methods 0.000 title claims abstract description 20
- 239000003595 mist Substances 0.000 claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 238000000746 purification Methods 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 9
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000007789 sealing Methods 0.000 claims description 19
- 239000000110 cooling liquid Substances 0.000 claims description 14
- 239000000498 cooling water Substances 0.000 claims description 8
- 238000005192 partition Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 238000005491 wire drawing Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 239000002826 coolant Substances 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910001563 bainite Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000036559 skin health Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
Images
Landscapes
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
Abstract
The utility model discloses a mining machinery part guenching unit, including the device casing, the inside of device casing is provided with the case that quenches for mechanical parts after heating carries out oil cooling, the top of quenching the case is provided with places the board, is used for placing the mechanical parts who treats quenching, the top of placing the board is provided with actuating mechanism, is used for the drive to place the board and rises and descend, the surface of quenching the case still is provided with cooling mechanism with higher speed for reduce the inside oil temperature of quenching the case, the top of device casing still is provided with oil mist purification mechanism, is used for separating and adsorbing the oil mist that produces in the quenching process. The utility model discloses, through the setting of oil mist purification mechanism, can effectively avoid the oil mist directly to discharge and the polluted environment, through cooling device's setting with higher speed, can absorb the heat of quenching incasement, guarantee to quench the temperature of incasement oil in the certain limit, avoid the oil temperature too high and influence the efficiency of quenching.
Description
Technical Field
The utility model relates to a mining machinery part processing technology field specifically is a mining machinery part guenching unit.
Background
The quenching is to convert the super-cooled austenite into martensite or bainite to obtain martensite or bainite structure, and then to improve the rigidity, hardness, wear resistance, fatigue strength, toughness and the like of the steel by tempering at different temperatures, thereby meeting different use requirements of various mechanical parts and tools.
Quenching is carried out to most adoption oil-cooling mode of mining machinery part, put into oil quick cooling to the part that will heat to the uniform temperature, at the refrigerated in-process, because the temperature of part is too high, therefore can produce a large amount of oil mists, can the polluted environment if direct emission, and can be at the inner wall adhesion of quenching equipment, the clearance of being not convenient for, in addition, can lead to the whole rising of the oil temperature of quenching incasement after quenching, can't carry out quick cooling to the oil temperature of quenching incasement, influence the efficiency of quenching.
Therefore, a quenching device for mining machine parts is proposed.
Disclosure of Invention
The utility model aims to provide a mining machinery part guenching unit to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mining machinery part guenching unit, includes the device casing, the inside of device casing is provided with quenches the case for carry out oil cooling to the mechanical parts after the heating, the top of quenching the case is provided with places the board, is used for placing the mechanical parts who treats quenching, the top of placing the board is provided with actuating mechanism, is used for the drive to place the board and rises and descend, the surface of quenching the case still is provided with cooling mechanism with higher speed for reduce the inside oil temperature of quenching the case, the top of device casing still is provided with oil mist purification mechanism, is used for separating and adsorbing the oil mist that produces in the quenching process.
Preferably, the driving mechanism comprises a screw rod arranged on one side of the placing plate, a driven wheel arranged on one end of the screw rod, a driving wheel meshed with one side of the driven wheel, a driving motor arranged at the bottom of the driving wheel and a wire block sleeved on the surface of the screw rod.
Preferably, the top of the device shell is further provided with a fixing plate, one end of the screw rod penetrates through the fixing plate and is fixedly connected with the driven wheel, and the driven wheel, the driving wheel and the driving motor are all arranged above the fixing plate.
Preferably, a slide rod is further arranged on one side, opposite to the screw rod, of the placing plate, a slide block is sleeved on the surface of the slide rod, an L-shaped connecting rod is fixedly connected to one side of each of the screw block and the slide block, and one end of each L-shaped connecting rod is fixedly connected with the placing plate.
Preferably, cooling mechanism is including the coolant pipe, the fixed mounting that encircle locate the quenching case surface at the coolant tank at the device casing back and the suction pump that is linked together with coolant tank with higher speed, the quantity of coolant pipe is three, and three coolant pipe all is linked together through communicating pipe, is located the quenching case below the one end of coolant pipe runs through the device casing and is linked together with the suction pump.
Preferably, the oil mist purification mechanism comprises a primary filter screen arranged in the middle of the fixing plate, an exhaust fan fixedly installed at the top of the device shell and an oil mist separator fixedly installed on the upper surface of the device shell, and the exhaust fan, the primary filter screen and the oil mist separator are mutually corresponding in position.
Preferably, a square through hole is formed in the middle of the fixing plate, the primary filter screen is fixedly installed inside the square through hole through the installation frame body, a vent is formed in the upper surface of the device shell, and the output end of the exhaust fan penetrates through the vent and is fixedly connected with the oil mist separator.
Preferably, the inside of device casing is provided with the baffle, the through hole has been seted up at the middle part of baffle, and the size of through hole slightly is greater than the size of placing the board.
Preferably, the quenching box is arranged below the partition plate, extension plates are integrally formed on the periphery of the top of the quenching box, a clamping plate is fixedly connected to the inner wall of the device shell, and the extension plates are arranged on the upper surface of the clamping plate.
Preferably, a first sealing door is arranged on the surface of the device shell, the position of the first sealing door corresponds to the position of the placing plate, and a second sealing door is further arranged below the first sealing door and corresponds to the position of the quenching box.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses, through oil mist purification mechanism's setting, when putting into quenching incasement cooling with the work piece of heating, the oil mist that the air exhauster can produce absorbs, and the oil mist is at first through elementary filter screen, can adsorb the interception to the impurity of large granule, and remaining oil mist passes through the inside that the air exhauster got into oil mist separator, with oil mist and air separation under the effect of static, and the air after the separation is got rid of through the gas outlet, can effectively avoid the oil mist to discharge.
Through setting up with higher speed cooling device, in the cooling process, the suction pump can take the cooling water in the cooling water tank out and get into the coolant pipe, and the coolant liquid is at coolant pipe inner loop flow to can absorb the heat in the quenching incasement, guarantee that the temperature of quenching incasement oil is at certain extent, avoid the oil temperature too high and influence the efficiency of quenching.
Drawings
Fig. 1 is a schematic structural view of the main body of the present invention;
fig. 2 is a schematic side view of the cross-sectional structure of the present invention;
fig. 3 is a schematic front view of the cross-sectional structure of the present invention;
FIG. 4 is a schematic perspective view of the quenching box of the present invention;
fig. 5 is an enlarged schematic view of a structure shown in fig. 3 according to the present invention.
In the figure: 1. a device housing; 2. a quenching box; 3. placing the plate; 4. a drive mechanism; 41. a screw rod; 42. a driven wheel; 43. a driving wheel; 44. a drive motor; 45. silk blocks; 5. an accelerated cooling mechanism; 51. a coolant tube; 52. a cooling water tank; 53. a water pump; 6. an oil mist purification mechanism; 61. a primary filter screen; 62. an exhaust fan; 63. an oil mist separator; 7. a slide bar; 8. a slider; 9. an L-shaped connecting rod; 10. a partition plate; 11. a first sealing door; 12. a second sealing door.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The utility model provides a mining machinery part guenching unit as shown in fig. 1-5, including device casing 1, the inside of device casing 1 is provided with quenches case 2, be used for carrying out oil cooling to the mechanical part after the heating, the top of quenching case 2 is provided with places board 3, be used for placing the mechanical part who treats quenching, the top of placing board 3 is provided with actuating mechanism 4, be used for the drive to place board 3 and rise and descend, the surface of quenching case 2 still is provided with cooling mechanism 5 with higher speed, be used for reducing the inside oil temperature of quenching case 2, the top of device casing 1 still is provided with oil mist purification mechanism 6, be used for separating and adsorbing the oil mist that produces in the quenching process.
Place board 3 and be high temperature resistant steel sheet, place board 3 and can set up to the structure of fretwork, can improve the area of contact of oil with heating mechanical part, improve refrigerated efficiency, place the form of 3 fretworks of board not limit, only need guarantee can bear mechanical part.
In some embodiments of the present invention, the driving mechanism 4 includes a screw rod 41 disposed on one side of the placing plate 3, a driven wheel 42 disposed on one end of the screw rod 41, a driving wheel 43 engaged with one side of the driven wheel 42, a driving motor 44 disposed at the bottom of the driving wheel 43, and a thread block 45 sleeved on the surface of the screw rod 41.
When the driving wheel 43 is driven by the driving motor 44 to rotate clockwise, the driven wheel 42 is driven to rotate clockwise due to the engagement of the driving wheel 43 and the driven wheel 42, and the screw rod 41 is further driven to rotate, and the wire block 45 moves downwards due to the threaded connection between the wire block 45 and the screw rod 41, and conversely, when the driving wheel 43 rotates counterclockwise, the wire block 45 moves upwards.
In some embodiments of the present invention, the top of the device housing 1 is further provided with a fixing plate, one end of the lead screw 41 runs through the fixing plate and is fixedly connected with the driven wheel 42, and the driven wheel 42, the driving wheel 43 and the driving motor 44 are all disposed above the fixing plate.
The driving motor 44 is fixedly arranged on the upper surface of the fixing plate, and a baffle plate can be arranged on one side of the driving mechanism 4, so that the driving mechanism 4 is isolated from the quenching device, and the influence on the normal work of the driving mechanism 4 is avoided.
In some embodiments of the utility model, place one side that board 3 is relative with lead screw 41 and still be provided with slide bar 7, slider 8 has been cup jointed on the surface of slide bar 7, the equal fixedly connected with L type connecting rod 9 in one side of silk piece 45 and slider 8, the one end of L type connecting rod 9 with place board 3 fixed connection.
In some embodiments of the present invention, the accelerated cooling mechanism 5 includes a cooling liquid pipe 51 surrounding the surface of the quenching box 2, a cooling water tank 52 fixedly installed at the back of the device housing 1, and a water pump 53 communicated with the cooling water tank 52, the number of the cooling liquid pipes 51 is three, and the three cooling liquid pipes 51 are all communicated through a communication pipe, and one end of the cooling liquid pipe 51 located at the bottom of the quenching box 2 runs through the device housing 1 and is communicated with the water pump 53.
The cooling liquid pipe 51 is fixedly installed on the surface of the quenching box 2 through an installation sleeve, cooling liquid is added into the cooling water tank 52, and the water suction pump 53 can pump out the cooling liquid to enable the cooling liquid to flow in the cooling liquid pipe 51 in a circulating mode, so that the quenching box 2 is cooled, and the oil temperature is reduced.
In some embodiments of the present invention, the oil mist purification mechanism 6 includes a primary filter screen 61 disposed in the middle of the fixing plate, an exhaust fan 62 fixedly mounted on the top of the device housing 1, and an oil mist separator 63 fixedly mounted on the upper surface of the device housing 1, and the positions of the exhaust fan 62, the primary filter screen 61, and the oil mist separator 63 correspond to each other.
The utility model discloses an in some embodiments, square through hole has been seted up at the middle part of fixed plate, and primary filter 61 is through installation framework fixed mounting in square through hole's inside, and the vent has been seted up to the upper surface of device casing 1, and air exhauster 62's output run through the vent and with oil mist separator 63 fixed connection.
The exhaust fan 62 can absorb the oil mist, so that the oil mist enters the oil mist separator 63 through the primary filter screen 61 to be purified, the influence on the respiratory system of a human body and the skin health is avoided, and the type of the oil mist separator 63 is OPM-20E.
In some embodiments of the present invention, a partition plate 10 is disposed inside the device housing 1, a through hole is disposed in the middle of the partition plate 10, and the size of the through hole is slightly larger than that of the placing plate 3.
In some embodiments of the utility model, the quenching case 2 is arranged below the partition board 10, the top of the quenching case 2 is formed integrally with an extension board, the inner wall of the device shell 1 is fixedly connected with a clamping board, and the extension board is arranged on the upper surface of the clamping board.
In some embodiments of the present invention, the surface of the device housing 1 is provided with a first sealing door 11, the position of the first sealing door 11 corresponds to the position of the placing plate 3, a second sealing door 12 is further provided below the first sealing door 11, and the second sealing door 12 corresponds to the position of the quenching box 2.
The working principle is as follows: firstly, transporting the heated mechanical parts to the outside of the device shell 1, opening the first sealing door 11, placing the mechanical parts on the placing plate 3, closing the first sealing door 11, starting the driving mechanism 4, controlling the placing plate 3 to descend and enter the quenching box 2 until the mechanical parts are completely immersed in the cooling oil, the rapid cooling is carried out, during the cooling process, the oil mist purification mechanism 6 starts to work, the generated oil mist is separated and filtered to avoid directly discharging into the air, because the heat of the mechanical part is transferred to the cooling oil in the cooling process to cause the oil temperature to rise, the heat in the quenching box 2 can be absorbed by the arrangement of the accelerated cooling mechanism 5, the oil temperature is ensured to be maintained in a lower range, the quenching efficiency is ensured, and after the cooling is finished, the driving mechanism 4 drives the placing plate 3 to ascend to the initial height, and the first sealing door 11 is opened by a worker to take out the mechanical part.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a mining machinery part guenching unit, includes device casing (1), its characterized in that: the device is characterized in that a quenching box (2) is arranged inside the device shell (1) and used for carrying out oil cooling on heated mechanical parts, a placing plate (3) is arranged above the quenching box (2) and used for placing the mechanical parts to be quenched, a driving mechanism (4) is arranged at the top of the placing plate (3) and used for driving the placing plate (3) to ascend and descend, an accelerating cooling mechanism (5) is further arranged on the surface of the quenching box (2) and used for reducing the internal oil temperature of the quenching box (2), and an oil mist purification mechanism (6) is further arranged at the top of the device shell (1) and used for separating and adsorbing oil mist generated in the quenching process.
2. The mining machine part quenching apparatus as claimed in claim 1, wherein: the driving mechanism (4) comprises a screw rod (41) arranged on one side of the placing plate (3), a driven wheel (42) arranged on one end of the screw rod (41), a driving wheel (43) meshed with one side of the driven wheel (42), a driving motor (44) arranged at the bottom of the driving wheel (43) and a wire block (45) sleeved on the surface of the screw rod (41).
3. The mining machine part quenching apparatus as claimed in claim 2, wherein: the top of the device shell (1) is further provided with a fixing plate, one end of the screw rod (41) penetrates through the fixing plate and is fixedly connected with the driven wheel (42), and the driven wheel (42), the driving wheel (43) and the driving motor (44) are arranged above the fixing plate.
4. The mining machine part quenching apparatus as claimed in claim 2, wherein: the novel wire drawing machine is characterized in that a sliding rod (7) is further arranged on one side, opposite to the screw rod (41), of the placing plate (3), a sliding block (8) is sleeved on the surface of the sliding rod (7), an L-shaped connecting rod (9) is fixedly connected to one sides of a wire block (45) and the sliding block (8), and one end of the L-shaped connecting rod (9) is fixedly connected with the placing plate (3).
5. The mining machine part quenching apparatus as claimed in claim 1, wherein: the accelerated cooling mechanism (5) comprises a cooling liquid pipe (51) arranged on the surface of the quenching box (2) in a surrounding mode, a cooling water tank (52) fixedly installed on the back face of the device shell (1) and a water suction pump (53) communicated with the cooling water tank (52), the number of the cooling liquid pipes (51) is three, the three cooling liquid pipes (51) are communicated through communicating pipes, and the cooling liquid pipes (51) are located at the lowest position of the quenching box (2) and one end of each cooling liquid pipe (51) penetrates through the device shell (1) and is communicated with the water suction pump (53).
6. The mining machine part quenching apparatus as claimed in claim 1, wherein: the oil mist purification mechanism (6) comprises a primary filter screen (61) arranged in the middle of a fixing plate, an exhaust fan (62) fixedly installed at the top of the device shell (1) and an oil mist separator (63) fixedly installed on the upper surface of the device shell (1), wherein the positions of the exhaust fan (62), the primary filter screen (61) and the oil mist separator (63) correspond to each other.
7. The mining machine part quenching apparatus as claimed in claim 6, wherein: the middle part of fixed plate has been seted up square through hole, primary filter screen (61) are through installation framework fixed mounting in square through hole's inside, the vent has been seted up to the upper surface of device casing (1), the output of air exhauster (62) run through the vent and with oil mist separator (63) fixed connection.
8. The mining machine part quenching apparatus as claimed in claim 1, wherein: a partition plate (10) is arranged inside the device shell (1), a through hole is formed in the middle of the partition plate (10), and the size of the through hole is slightly larger than that of the placing plate (3).
9. The mining machine part quenching apparatus as claimed in claim 8, wherein: the quenching device is characterized in that the quenching box (2) is arranged below the partition plate (10), extension plates are integrally formed on the periphery of the top of the quenching box (2), a clamping plate is fixedly connected to the inner wall of the device shell (1), and the extension plates are arranged on the upper surface of the clamping plate.
10. The mining machine part quenching apparatus as claimed in claim 8, wherein: the device is characterized in that a first sealing door (11) is arranged on the surface of the device shell (1), the position of the first sealing door (11) corresponds to the position of the placing plate (3), a second sealing door (12) is further arranged below the first sealing door (11), and the position of the second sealing door (12) corresponds to the position of the quenching box (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120929603.5U CN214655103U (en) | 2021-04-30 | 2021-04-30 | Quenching device for mining machinery parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120929603.5U CN214655103U (en) | 2021-04-30 | 2021-04-30 | Quenching device for mining machinery parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214655103U true CN214655103U (en) | 2021-11-09 |
Family
ID=78473581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120929603.5U Expired - Fee Related CN214655103U (en) | 2021-04-30 | 2021-04-30 | Quenching device for mining machinery parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214655103U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114317927A (en) * | 2022-02-17 | 2022-04-12 | 济南欣特铸锻有限公司 | Quenching process method |
-
2021
- 2021-04-30 CN CN202120929603.5U patent/CN214655103U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114317927A (en) * | 2022-02-17 | 2022-04-12 | 济南欣特铸锻有限公司 | Quenching process method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214655103U (en) | Quenching device for mining machinery parts | |
| CN206029458U (en) | Cooling, oil mist purify integral type digit control machine tool | |
| CN207811813U (en) | A kind of energy-saving sealed box type quenching furnace | |
| CN113803732B (en) | Heat accumulating type catalytic combustion waste gas treatment device and treatment method thereof | |
| CN111786274B (en) | A shock attenuation heat dissipation electric power cabinet for electric power engineering | |
| CN219044955U (en) | Energy-saving quenching device for bearing ring machining | |
| CN218291040U (en) | Heat treatment device for gear machining | |
| CN214458205U (en) | Cooling mechanism of annealing furnace for preventing surface oil spots | |
| CN114823054A (en) | High heat dissipation dry-type transformer | |
| CN112553455B (en) | Lead bath quenching furnace for steel wire heat treatment | |
| CN220999712U (en) | Multifunctional heat treatment quenching water tank | |
| CN220959173U (en) | Cooling machine for producing new energy automobile gearbox shell | |
| CN219853472U (en) | Cooling device for machining mechanical parts | |
| CN220951904U (en) | Quenching tank capable of rapidly cooling quenching medium | |
| CN214950778U (en) | Forced ventilation cooler | |
| CN214270990U (en) | Stainless steel strip annealing device | |
| CN215593128U (en) | Immersion quenching device for high-frequency oil cooling quenching | |
| CN219752366U (en) | Smoke treatment device based on numerical control quenching machine tool | |
| CN218673111U (en) | Vacuum-pumping device for vacuum microwave smelting furnace | |
| CN220376726U (en) | LF refining furnace smoke and dust entrapment device | |
| CN217095073U (en) | Industrial aluminum profile forming equipment | |
| CN221051948U (en) | Spring steel wire temperature control quenching device | |
| CN220736014U (en) | Cooling device for fire-fighting carriage | |
| CN214437748U (en) | Tail gas treatment equipment for refining lubricating oil | |
| CN217391605U (en) | Waste oil regeneration is with quick rectifier unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211109 |