CN115406257A - Hot gas recovery device for die casting machine - Google Patents
Hot gas recovery device for die casting machine Download PDFInfo
- Publication number
- CN115406257A CN115406257A CN202211070190.5A CN202211070190A CN115406257A CN 115406257 A CN115406257 A CN 115406257A CN 202211070190 A CN202211070190 A CN 202211070190A CN 115406257 A CN115406257 A CN 115406257A
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- hot gas
- air
- recovery
- casting machine
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- 238000011084 recovery Methods 0.000 title claims abstract description 73
- 238000004512 die casting Methods 0.000 title claims abstract description 26
- 238000002844 melting Methods 0.000 claims abstract description 33
- 230000008018 melting Effects 0.000 claims abstract description 33
- 150000001875 compounds Chemical class 0.000 claims abstract description 13
- 238000009423 ventilation Methods 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 5
- 238000010030 laminating Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 238000005086 pumping Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
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- 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
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
- F28D21/001—Recuperative heat exchangers the heat being recuperated from exhaust gases for thermal power plants or industrial processes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/0061—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for phase-change applications
- F28D2021/0063—Condensers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model relates to a hot gas recovery technical field, the utility model provides a hot gas recovery unit for die casting machine, retrieve the cover including the first second that is used for drawing the hot gas in the melting furnace and is used for drawing the regional hot gas of mould compound die, the output that cover was retrieved to first recovery cover and second is connected with the exhaust pipe jointly, be provided with the condenser on the exhaust pipe, be connected with the first extensible member of its lift of control on the first recovery cover, the second is retrieved and is covered and be connected with the second extensible member of its lift of control, the first periphery of laminating at the melting furnace that retrieves the cover and closely laminates is in the periphery of mould is retrieved to the second. Based on this, this application structure heat recovery utilization rate is big, simple structure, and the practicality is strong, has better recovery effect.
Description
Technical Field
The application relates to a hot gas recovery technical field especially relates to a hot gas recovery unit for die casting machine.
Background
The die casting machine sucks up molten metal material (molten metal) such as aluminum alloy or magnesium alloy melted by a melting furnace by a ladle each time, injects the sucked molten metal into an injection sleeve, and injects and fills the molten metal into an inner cavity of a metal mold by forward movement of an injection plunger to obtain a product.
The melting furnace combustion process and the mould compound die region of current almag die casting machine all can produce steam, steam can lead to most steam to all run off in the air if not adopting reasonable getter device, traditional air exhaust structure only adopts simple vertical inhaling or the side inhales, all there is great clearance between induced draft device and melting furnace and the mould, therefore can not realize the maximize suction to the steam that gives off, part steam still can flow to in the air, finally lead to heat recovery utilization rate not high.
Disclosure of Invention
In order to improve the unable hot gas maximize suction that realizes of current air exhaust structure, lead to the problem that heat recovery utilization rate is low, the purpose of this application is to provide the hot gas recovery unit who is used for the die casting machine.
The application provides a hot gas recovery unit for die casting machine adopts following technical scheme:
a steam recovery unit for die casting machine, contain the first cover of retrieving of steam in the suction melting furnace and be used for the second of the regional steam of suction mould compound die and retrieve the cover, the output that the cover was retrieved to first recovery cover and second is connected with the exhaust pipe way jointly, the last condenser that is provided with of exhaust pipe way, be connected with the first extensible member of its lift of control on the first recovery cover, the second is retrieved and is covered the second extensible member that is connected with its lift of control, the first periphery at the melting furnace of retrieving the cover and tightly laminating, the second is retrieved the periphery that the cover closely laminated at the mould.
By adopting the technical scheme, the first recovery cover can be lifted up and down under the control of the first telescopic piece, so that the first recovery cover is fully abutted against the periphery of the melting furnace, a large space gap does not exist between the melting furnace and the first recovery cover, and the maximum suction of hot gas in the melting furnace can be improved; the cover can realize the oscilaltion under the control of second extensible member is retrieved to the second, make the abundant butt of second return air cover be located the regional top opening part of mould compound die at the die casting machine, there is not great space gap between the regional department of mould compound die and the second return air cover, can promote the steam maximize suction in the mould compound die region, the condenser that flows through behind the steam maximize suction of induced draft pipeline, the condensing process is retrieved the utilization ratio through great steam and is made the inside water liquid of condenser pipe can produce the hot water of uniform temperature with higher speed, better realization industry hot water and the supply of life hot water.
Optionally, a first ventilation hose is disposed between the first recovery cover and the exhaust duct.
Through adopting above-mentioned technical scheme, first ventilation hose is convenient for first extensible member control first recovery cover and is carried out the oscilaltion, realizes and the melting furnace between clearance adjustment, the suction effect of better control steam.
Optionally, a first upright column is arranged at the side edge of the first air return cover, the first telescopic piece is fixedly mounted on the first upright column, and the first air return cover is fixedly connected with the driving end of the first telescopic piece through a first connecting rod.
Through adopting above-mentioned technical scheme, can fix a position the mounted position of first return air cover through first stand, prevent that it from producing at stronger steam air exhaust in-process and rocking, when first extensible member drive, drive first return air cover through first connecting rod and realize the oscilaltion.
Optionally, a third telescopic member is arranged on the first upright post.
Through adopting above-mentioned technical scheme, third extensible member fixed mounting realizes rotatoryly through the steerable second return air cover of third extensible member on first stand.
Optionally, a second ventilation hose is arranged between the second recovery cover and the air draft pipeline, and the second ventilation hose is rotatably connected with the air draft pipeline.
Through adopting above-mentioned technical scheme, the second ventilation hose is convenient for the second extensible member control second and is retrieved the cover and carry out the oscilaltion, realizes and the die closing interval between the regional department adjusts, the suction effect of better control steam.
Optionally, a second upright is arranged at the side of the second air return cover, the second extensible member is rotatably connected to the second upright, and the second air return cover is fixedly connected to the driving end of the second extensible member through a second connecting rod.
Through adopting above-mentioned technical scheme, can fix a position the mounted position of second return air cover through the second stand, prevent that it from producing at stronger steam air exhaust in-process and rocking, when the drive of second extensible member, drive second return air cover through the second connecting rod and realize the oscilaltion.
Optionally, a fixing plate is arranged on one side of the second connecting rod facing the third telescopic piece, and the driving end of the third telescopic piece is movably abutted to the fixing plate.
Through adopting above-mentioned technical scheme, third extensible member butt can promote the second return air cover on the fixed plate and carry out the angular rotation, makes its compound die department that breaks away from the mould, and the dismantlement installation and the daily maintenance of the mould of being convenient for, and structural control is nimble, convenient to use.
Optionally, the openings of the first air return cover and the second air return cover are both provided with elastic pads.
Through adopting above-mentioned technical scheme, through setting up the cushion for first return air cover butt can closely laminate when the periphery of melting furnace and second return air cover butt in the periphery of the regional department of mould compound die, can not produce gas leakage, utilizes the gravity of return air cover to carry out the deformation compression to the cushion, strengthens local vacuum.
Optionally, the openings of the first air return cover and the second air return cover are both provided with a front-mounted fan, and the air exhaust pipeline is internally provided with a plurality of rear-mounted fans.
Through adopting above-mentioned technical scheme, can make steam more smoothly enter into corresponding return air cover through setting up leading fan inside, utilize the flow of a plurality of rearmounted fans to strengthen steam simultaneously in the suction line for steam is with higher speed with the contact of condenser, thereby improves recovery efficiency.
Optionally, a folding push plate is movably arranged at an opening of the second air return cover, a guide plate is arranged on the folding push plate, and a gap channel is formed between the guide plate and the second air return cover.
Through adopting above-mentioned technical scheme, folding push pedal can transversely push-and-pull in the second returns the fan housing according to the actual compound die position of the regional department of mould compound die, changes the actual flow direction of steam through clearance channel, reduces the flow distance of steam, utilizes the deflector to make the quick flow through clearance channel of the regional department of mould compound die of steam get into the second returns the fan housing, avoids steam to spread.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the first recovery cover can be lifted up and down under the control of the first telescopic piece, so that the first recovery cover is fully abutted against the periphery of the melting furnace, a large space gap does not exist between the melting furnace and the first recovery cover, and hot gas in the melting furnace can be maximally pumped; the second recovery cover can be lifted up and down under the control of the second telescopic piece, so that the second return air cover is fully abutted to the opening at the top of the die casting machine in the die assembly area, a larger space gap does not exist between the die assembly area and the second return air cover, the maximum suction of hot air in the die assembly area can be promoted, the hot air is sucked in the maximum manner by the air suction pipeline and then flows through the condenser for condensation, and the water in the condensation pipe can accelerate to generate hot water at a certain temperature through the larger hot air recovery utilization rate in the condensation process;
2. the third telescopic piece is abutted against the fixed plate and can push the second air return cover to rotate angularly to separate the second air return cover from a die assembly position of the die, so that the die is convenient to detach, install and maintain daily, the structure is flexible to control, and the use is convenient;
3. by arranging the elastic pad, the first air return cover can be tightly attached when abutting against the periphery of the melting furnace and the second air return cover abuts against the periphery of the die assembly area, air leakage cannot occur, the elastic pad is deformed and compressed by the gravity of the air return cover, and the local vacuum degree is enhanced;
4. the front fans are arranged, so that hot air can enter the corresponding air return covers more smoothly, and meanwhile, the plurality of rear fans are utilized to enhance the flow of the hot air in the air suction pipeline, so that the hot air is accelerated to contact with the condenser;
5. utilize the deflector to change the actual flow direction of steam, reduce the flow distance of steam for the quick flow through deflector of steam of mould compound die region department gets into the second return air cover in, avoids steam diffusion, and the efficiency of bleeding is slower.
Drawings
FIG. 1 is a schematic view of the overall structure of embodiment 1 of the present application;
FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;
figure 3 is a schematic structural view of the folding push plate in embodiment 1 of the application.
Description of reference numerals:
100. a first air extraction mechanism; 110. a first recycling cover; 120. a first telescoping member; 130. a first ventilation hose; 140. a first link; 150. a first upright post; 151. a first escape port; 160. a third telescoping member; 200. a second air extraction mechanism; 210. a second recovery cover; 220. a second telescoping member; 230. a second ventilation hose; 240. a second link; 250. a second upright post; 251. a second escape port; 260. a fixing plate; 270. folding the push plate; 271. a baffle; 272. a clearance channel; 300. an elastic pad; 400. an air extraction duct; 410. a front-mounted fan; 420. a rear fan; 500. a condenser; 600. a melting furnace; 700. and a mold clamping area.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
Example 1: referring to fig. 1, the die casting machine is provided with a melting furnace 600 for melting a molten metal material such as an aluminum alloy or a magnesium alloy and a die clamping area 700, and tops of the melting furnace 600 and the die clamping area 700 are both open structures. The melting furnace 600 and the mold clamping area 700 both generate hot air to flow directly into the air, and the recycling device in this embodiment is located on the side of the melting furnace 600 of the die casting machine.
Referring to fig. 1 and 2, the recycling apparatus includes a first air pumping mechanism 100 and a second air pumping mechanism 200, an air pumping pipeline 400 is disposed at the top of the first air pumping mechanism 100 and the second air pumping mechanism, and a condenser 500 is disposed at the output end of the air pumping pipeline 400. The first pumping mechanism 100 includes a first column 150, a first expansion member 120 and a first recovery cover 110, wherein the first column 150 is vertically disposed on the ground. The top of the first upright post 150 is provided with a first yielding port 151, the fixed end of the first telescopic member 120 is installed in the first yielding port 151, the first recovery cover 110 is arranged at the top of the melting furnace 600 of the die casting machine, and the first recovery cover 110 is fixedly connected with the driving end of the first telescopic member 120 through a first connecting rod 140. The first recovery hood 110 is communicated with the draft duct 400 through the first ventilation hose 130, the first expansion piece 120 drives the first recovery hood to ascend and descend through the first connecting rod 140, so that the first recovery hood 110 is fully abutted to the periphery of the melting furnace 600, a large space gap does not exist between the melting furnace 600 and the first recovery hood 110, and the maximum suction of hot gas in the melting furnace 600 can be improved. Meanwhile, the first ventilation hose 130 is utilized to realize that the first recovery cover 110 does not interfere in the process of ascending and descending, so that better adjustment and control can be performed. In this embodiment, the first telescopic member 120 is a telescopic cylinder.
The second pumping structure comprises a second upright 250, a second expansion element 220 and a second recycling hood 210, wherein the second upright 250 is vertically disposed on the bottom surface. The top of the second upright column 250 is provided with a second yielding port 251, the fixed end of the second telescopic member 220 is rotatably connected in the second yielding port 251, the second recovery cover 210 is arranged at the top of the die assembly area 700 of the die casting machine die, and the second recovery cover 210 is fixedly connected with the driving end of the second telescopic member 220 through a second connecting rod 240. The second recovery cover 210 is communicated with the suction duct 400 through the second ventilation hose 230, and the second ventilation hose 230 is rotatably connected with the suction duct 400. The second extensible member 220 drives the second return air cover to ascend and descend through the second connecting rod 240, so that the second return air cover is fully abutted to the periphery of the top of the mold closing area 700, a large space gap does not exist between the mold closing area 700 and the second recovery cover 210, the second recovery cover 210 does not have interference in the ascending and descending process, and the adjustment and control are better performed. In this embodiment, the second expansion member 220 is a telescopic cylinder.
Specifically, the side of the second column 250 that is located the second link 240 is provided with the fixed plate 260, the fixed plate 260 is vertically welded on the second link 240, the first column 150 is fixedly provided with the third extensible member 160, the end of the third extensible member 160 is movably abutted against the top of the fixed plate 260, which is used for controlling the second recovery cover 210 to be separated from the mold clamping area 700, so that the mold can be conveniently disassembled, assembled and maintained daily, the structure is flexibly controlled, and the use is convenient. In this embodiment, the third telescopic member 160 is a telescopic cylinder.
In order to make the sealing performance between the first recovery cover 110 and the melting furnace 600 and between the second recovery cover 210 and the mold clamping area 700 better, the elastic pads 300 are arranged at the openings of the first return air cover and the second return air cover, and the elastic pads 300 are arranged, so that the first return air cover can be tightly attached to the outer periphery of the melting furnace 600 in a butt joint mode and the second return air cover can be tightly attached to the outer periphery of the mold clamping area 700 in a butt joint mode, air leakage cannot occur, the elastic pads 300 are deformed and compressed by the gravity of the return air covers, and the local vacuum degree is strengthened.
In order to accelerate the contact between the hot gas and the condenser 500 and improve the recovery efficiency, the front fans 410 are disposed at the openings of the first and second air return hoods, and a plurality of rear fans 420 are disposed in the exhaust duct 400. Through setting up leading fan 410 can make steam more smoothly enter into corresponding return air cover inside, utilize a plurality of rearmounted fans 420 to strengthen the flow of steam in the pipeline 400 of drawing air simultaneously, finally realize heat energy high efficiency recycle. It should be noted that, in this embodiment, the number and the specification of the rear fans 420 are not specifically limited, and the rear fans can be normally disposed in the air draft duct 400, so that the hot air can be circulated in an accelerated manner.
Referring to fig. 3, a folding push plate 270 is movably arranged at the mouth of the second air return cover, a guide plate 271 is arranged on the folding push plate 270, a gap channel 272 is formed between the guide plate 271 and the second air return cover, the folding push plate 270 can be pushed and pulled transversely in the second air return cover according to the actual die assembly position of the die assembly area 700, the actual suction flow direction of hot air is changed through the gap channel 272, the flow distance of hot air is reduced, the hot air is prevented from flowing to other areas of a die casting machine, and the hot air in the die assembly area 700 can rapidly flow through the gap channel 272 to enter the second air return cover by using the guide plate, so that the diffusion of the hot air is avoided.
It should be noted that, in the present embodiment, the folding push plate 270 is of a foldable structure, and the width of the folding push plate can be adjusted appropriately to control the opening size of the gap channel 272, so as to better satisfy the hot air suction process.
The implementation principle of the embodiment of the application is as follows: the first telescopic piece 120 is used for controlling the first recovery cover 110 to lift and abut against the periphery of the melting furnace 600 to achieve full abutting, and the elastic cushion 300 is used for achieving local tight fitting, so that a large space gap does not exist between the melting furnace 600 and the first recovery cover 110, the maximum suction of hot gas in the melting furnace 600 can be improved, and the recovery and utilization rate of the hot gas is further improved; meanwhile, the second recovery cover 210 is controlled to lift and abut through the second expansion piece 220 to achieve sufficient abutting in the mold clamping area 700, and local tight fitting is achieved through the elastic cushion 300, so that a large space gap does not exist between the mold clamping area 700 and the second recovery cover 210, the maximum suction of hot air in the mold clamping area 700 can be improved, and the hot air recovery utilization rate is improved. Through this structure, the steam that is sucked by the maximize flows through in the exhaust pipe 400, and condenser 500 condenses of flowing through, makes the inside water liquid of condensation pipe can produce the hot water of uniform temperature with higher speed through great steam recycle ratio in the condensation process, and this structure heat recovery utilization ratio is big, simple structure, and the practicality is strong, has better recovery effect.
The embodiments of the present invention are preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, wherein like parts are denoted by like reference numerals. Therefore: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A hot gas recovery unit for die casting machine, its characterized in that: cover (210) are retrieved to the second that contains first recovery cover (110) that is used for sucking the hot gas in the melting furnace and is used for sucking the regional hot gas of mould compound die, the output that cover (210) are retrieved to first recovery cover (110) and second is connected with exhaust duct (400) jointly, be provided with condenser (500) on exhaust duct (400), be connected with first extensible member (120) that control its lift on first recovery cover (110), be connected with second extensible member (220) that control its lift on second recovery cover (210), first recovery cover (110) closely laminate the periphery at the melting furnace, second recovery cover (210) closely laminate the periphery at the mould.
2. The hot gas recovery device for the die casting machine according to claim 1, characterized in that: a first ventilation hose (130) is arranged between the first recovery cover (110) and the air draft pipeline (400).
3. The hot gas recovery device for the die casting machine according to claim 2, characterized in that: a first upright post (150) is arranged at the side edge of the first air return cover, the first telescopic piece (120) is fixedly installed on the first upright post (150), and the first air return cover is fixedly connected with the driving end of the first telescopic piece (120) through a first connecting rod (140).
4. The hot gas recovery device for the die casting machine according to claim 3, characterized in that: the first upright post (150) is provided with a third telescopic piece (160).
5. The hot gas recovery device for the die casting machine according to claim 1, characterized in that: a second ventilating hose (230) is arranged between the second recovery cover (210) and the air draft pipeline (400), and the second ventilating hose (230) is rotatably connected with the air draft pipeline (400).
6. The hot gas recovery device for the die casting machine according to claim 5, characterized in that: a second upright post (250) is arranged at the side edge of the second air return cover, the second telescopic piece (220) is rotatably connected to the second upright post (250), and the second air return cover is fixedly connected with the driving end of the second telescopic piece (220) through a second connecting rod (240).
7. The hot gas recovery apparatus for the die casting machine according to any one of claims 4 or 6, characterized in that: a fixing plate (260) is arranged on one side, facing the third telescopic piece (160), of the second connecting rod (240), and the driving end of the third telescopic piece (160) is movably abutted against the fixing plate (260).
8. The hot-gas recovery apparatus for the die casting machine according to claim 1, wherein: the openings of the first air return cover and the second air return cover are both provided with elastic pads (300).
9. The hot gas recovery device for the die casting machine according to claim 1, characterized in that: the openings of the first return air cover and the second return air cover are both provided with front fans (410), and a plurality of rear fans (420) are arranged in the air draft pipeline (400).
10. The hot gas recovery device for the die casting machine according to claim 1, characterized in that: the mouth of the second return air cover is movably provided with a folding push plate (270), a guide plate (271) is arranged on the folding push plate (270), and a gap channel (272) is formed between the guide plate (271) and the second return air cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211070190.5A CN115406257A (en) | 2022-09-02 | 2022-09-02 | Hot gas recovery device for die casting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211070190.5A CN115406257A (en) | 2022-09-02 | 2022-09-02 | Hot gas recovery device for die casting machine |
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| CN115406257A true CN115406257A (en) | 2022-11-29 |
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| CN202211070190.5A Pending CN115406257A (en) | 2022-09-02 | 2022-09-02 | Hot gas recovery device for die casting machine |
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| CN104729270A (en) * | 2015-03-23 | 2015-06-24 | 覃健林 | Drying tower air return system having waste heat recycling function |
| CN205717446U (en) * | 2016-06-24 | 2016-11-23 | 华帝股份有限公司 | Fume exhaust fan |
| CN206424734U (en) * | 2017-01-16 | 2017-08-22 | 金雅豪精密金属科技（深圳）股份有限公司 | The dedusting extractor fan of die casting machine |
| CN210080327U (en) * | 2019-06-20 | 2020-02-18 | 赣州润丰新能源有限公司 | Recovery device for biomass fuel crushing |
| CN212833930U (en) * | 2020-07-18 | 2021-03-30 | 佛山市巨亚铝业有限公司 | Heat recycling device for aluminum homogenizing furnace |
| CN112254538A (en) * | 2020-10-20 | 2021-01-22 | 安徽商贸职业技术学院 | From inhaling device that spills of raw material powder |
| CN215337667U (en) * | 2020-11-23 | 2021-12-28 | 湖南新曙光铸造有限公司 | Be used for casting well lid melting device |
| CN112935235A (en) * | 2021-01-23 | 2021-06-11 | 广东省润杰服饰有限公司 | Zinc alloy die-casting production line |
| CN214747310U (en) * | 2021-04-08 | 2021-11-16 | 河南天利热工装备股份有限公司 | Rotary smoke exhaust hood of salt bath furnace |
| CN215003125U (en) * | 2021-06-18 | 2021-12-03 | 宁夏中卫市大有冶炼有限公司 | Ferrosilicon pouring flue gas waste heat recycling device |
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