CN115971190A - Concentrated air supply system of cleaning machine of photovoltaic glass deep processing production line - Google Patents
Concentrated air supply system of cleaning machine of photovoltaic glass deep processing production line Download PDFInfo
- Publication number
- CN115971190A CN115971190A CN202211484414.7A CN202211484414A CN115971190A CN 115971190 A CN115971190 A CN 115971190A CN 202211484414 A CN202211484414 A CN 202211484414A CN 115971190 A CN115971190 A CN 115971190A
- Authority
- CN
- China
- Prior art keywords
- air
- cleaning machine
- air supply
- glass cleaning
- room
- 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.)
- Pending
Links
- 239000011521 glass Substances 0.000 title claims abstract description 120
- 238000004140 cleaning Methods 0.000 title claims abstract description 111
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 238000010791 quenching Methods 0.000 claims abstract description 47
- 238000005496 tempering Methods 0.000 claims abstract description 32
- 230000000171 quenching effect Effects 0.000 claims abstract description 26
- 239000002918 waste heat Substances 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 17
- 238000007605 air drying Methods 0.000 abstract description 6
- 239000002699 waste material Substances 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Abstract
The invention discloses a concentrated air supply system of a cleaning machine of a photovoltaic glass deep processing production line, which comprises: tempering furnace quench zone exhaust room, glass cleaning machine air feed fan room and a plurality of photovoltaic glass cleaning machine, tempering furnace quench zone exhaust room with glass cleaning machine air feed fan room is linked together through induced air duct, glass cleaning machine air feed fan room pass through air feed pipe assembly respectively with a plurality of photovoltaic glass cleaning machine communicates, be equipped with exhaust duct on the tempering furnace quench zone exhaust room, be equipped with the intake stack on the glass cleaning machine air feed fan room, the tempering furnace quench zone has the waste heat air in the tempering furnace in airing room, the waste heat air in the tempering furnace quench zone exhaust room passes through glass cleaning machine air feed fan room carries to a plurality of in the photovoltaic glass cleaning machine. The invention effectively utilizes the waste heat air of the quenching section of the toughening furnace, improves the utilization rate of energy, reduces energy waste and can improve the air drying efficiency of the cleaning machine.
Description
Technical Field
The invention relates to the technical field of photovoltaic glass deep processing production lines, in particular to a concentrated air supply system of a cleaning machine of a photovoltaic glass deep processing production line.
Background
The photovoltaic rolled glass is also called solar super-white rolled glass, and is pressed into plate glass with specific patterns by adopting a low-iron formula and a rolling forming technology, and the glass has excellent performances of high solar energy transmittance, low absorption ratio, low reflection ratio, low iron content, high strength and the like. The finished photovoltaic rolled sheet can be used as a packaging material of a solar cell module after a series of deep processing such as edging, cleaning, film coating/silk printing, tempering and the like, and has a very wide application prospect.
The tempering procedure of the photovoltaic rolled glass processing is to heat the photovoltaic glass to about 630 ℃, and then to rapidly cool the glass plate to about 300 ℃ through high-pressure cooling air in the quenching section of the tempering furnace so as to achieve the tempering effect. In the quenching process, the heat of the photovoltaic glass plate can be absorbed by cooling air to generate high-temperature dry air at the temperature of about 80 ℃, and the hot air is directly discharged to the atmosphere under normal conditions, so that energy waste is caused. The cleaning procedure of photovoltaic calendering glass processing then needs earlier to wash the glass board and air-dry again, is equipped with electrical heating on photovoltaic glass cleaning machine's the air-dry tuber pipe under the ordinary condition and heats the normal atmospheric temperature air in order to reach quick air-dried effect, and its heating process need consume a large amount of electric energy and efficiency is lower, often produces water stain and air-dries defects such as incomplete.
Disclosure of Invention
The above-mentioned problem that the cleaning machine exists on the current photovoltaic glass production line aims at providing a photovoltaic glass deep-processing production line cleaning machine and concentrates air feed system now, can make full use of tempering furnace quench zone exhaust chamber's waste heat air, reduces the energy waste, improves glass cleaning machine's air-dry effect.
The specific technical scheme is as follows:
the utility model provides a wind feed system is concentrated to photovoltaic glass deep-processing production line cleaning machine, includes: tempering furnace quench section exhaust room, glass cleaning machine air feed fan room and a plurality of photovoltaic glass cleaning machine, tempering furnace quench section exhaust room with glass cleaning machine air feed fan room is linked together through the induced air pipeline, glass cleaning machine air feed fan room passes through air feed pipe assembly and communicates with a plurality of respectively photovoltaic glass cleaning machine, be equipped with exhaust duct on the tempering furnace quench section exhaust room, be equipped with the intake stack on the glass cleaning machine air feed fan room, the tempering furnace quench section has the waste heat air in the tempering furnace in the exhaust room, waste heat air in the tempering furnace quench section exhaust room passes through glass cleaning machine air feed fan room carries to a plurality of in the photovoltaic glass cleaning machine.
The concentrated air supply system of the cleaning machine of the photovoltaic glass deep processing production line is characterized in that an air supply device is arranged in an air supply fan room of the glass cleaning machine, and the air supply device is communicated with the air supply pipeline and used for pressurizing residual heat air in the air supply fan room of the glass cleaning machine and then conveying the residual heat air to a plurality of photovoltaic glass cleaning machines in a concentrated manner.
The concentrated air supply system of the cleaning machine of the photovoltaic glass deep processing production line is characterized in that an air filter is arranged in an air supply fan room of the glass cleaning machine, the air supply fan room of the glass cleaning machine is divided into an air inlet cavity and an air exhaust cavity by the air filter, the air inlet pipeline and the air inlet pipeline are respectively communicated with the air inlet cavity, and the air supply device is arranged in the air exhaust cavity.
Foretell photovoltaic glass deep-processing production line cleaning machine concentrates air feed system, wherein, air feed pipe assembly includes: the photovoltaic glass cleaning machine comprises a main air supply pipeline and a plurality of branch air supply pipelines, wherein the input end of the main air supply pipeline is communicated with the air supply device, the input end of each branch air supply pipeline is communicated with the main air supply pipeline, and the photovoltaic glass cleaning machine is communicated with the branch air supply pipelines.
The concentrated air supply system of the cleaning machine of the photovoltaic glass deep processing production line is characterized in that pressure detection devices are respectively arranged on the quenching section air exhaust room of the toughening furnace, the air supply fan room of the glass cleaning machine and the air supply branch pipelines.
The cleaning machine concentrated air supply system for the photovoltaic glass deep processing production line is characterized in that the pressure detection device on the air supply fan room of the glass cleaning machine is arranged on the air inlet cavity.
The concentrated air supply system of the cleaning machine for the photovoltaic glass deep processing production line is characterized in that the air guide pipeline and the air supply main pipeline are both provided with temperature detection devices.
The concentrated air supply system of the cleaning machine for the photovoltaic glass deep processing production line is characterized in that the exhaust pipeline, the air inlet pipeline, the air guide pipeline and the air supply branch pipelines are provided with regulating valves.
The cleaning machine concentrated air supply system for the photovoltaic glass deep processing production line is characterized in that,
compared with the prior art, the technical scheme has the positive effects that:
the waste heat air generated by the quenching section exhaust room of the toughening furnace has higher temperature and lower humidity, can be used for air-drying the cleaned glass plate surface, effectively utilizes the waste heat air of the quenching section of the toughening furnace, improves the utilization rate of energy, reduces energy waste, and simultaneously can improve the air-drying efficiency of the cleaning machine.
Drawings
FIG. 1 is a schematic view of the overall structure of a concentrated air supply system of a cleaning machine of a photovoltaic glass deep processing production line of the invention;
in the drawings: 1. a quenching section air exhaust room of the toughening furnace; 2. an air inducing duct; 3. an air supply device; 4. an exhaust duct; 5. an exhaust gas regulating valve; 6. a glass cleaning machine air supply fan room; 7. an air filter; 8. a main air supply duct; 9. an air inlet pipeline; 10. an air inlet adjusting valve; 11. a photovoltaic glass cleaning machine; 12. a branch air supply duct; 13. a branch pipe regulating valve; 14. a temperature detection device; 15. a pressure detection device; 16. an induced draft regulating valve; 21. an air inlet cavity; 22. a ventilation cavity.
Detailed Description
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
Fig. 1 is a schematic overall structural diagram of a concentrated air supply system of a cleaning machine for a photovoltaic glass deep processing production line of the present invention, and as shown in fig. 1, the concentrated air supply system of the cleaning machine for a photovoltaic glass deep processing production line of a preferred embodiment is shown, and includes: tempering furnace quench section exhaust room 1, glass cleaning machine air feed fan room 6 and a plurality of photovoltaic glass cleaning machine 11, tempering furnace quench section exhaust room 1 is linked together through induced air pipeline 2 with glass cleaning machine air feed fan room 6, 6 rooms of glass cleaning machine air feed fan are linked together with a plurality of photovoltaic glass cleaning machine 11 respectively through air feed pipe assembly, be equipped with exhaust duct 4 on tempering furnace quench section exhaust room 1, be equipped with intake stack 9 on glass cleaning machine air feed fan room 6, the residual heat air in the tempering furnace has in tempering furnace quench section exhaust room 6, the residual heat air in tempering furnace quench section exhaust room 1 passes through glass cleaning machine air feed fan room 6 and carries to in a plurality of photovoltaic glass cleaning machine 11.
Preferably, the quenching section air exhaust room 1 of the toughening furnace is in an independent form and is separated from the medium-pressure section cooling air exhaust room and the low-pressure section cooling air exhaust room of the toughening furnace.
More preferably, the quenching section exhaust room 1 of the toughening furnace is provided with an exhaust pipeline 4 for discharging residual heat air to the outside and an induced draft pipeline 2 connected to the glass cleaning machine air supply fan room 6, the exhaust pipeline 4 is provided with an exhaust regulating valve 5, and the glass toughening furnace can discharge gas to the outside through the exhaust pipeline 4 or convey the residual heat air to the glass cleaning machine air supply fan room 6 through the induced draft pipeline 2.
More preferably, the air supply fan room 6 of the glass cleaning machine is connected with the air induction pipeline 2 from the quenching section exhaust room 1 of the toughening furnace, an air inlet pipeline 9 for absorbing air to the outside is further arranged, an air inlet adjusting valve 10 is arranged on the air inlet pipeline 9, and air can be supplied to the glass cleaning air supply fan room 6 through the air inlet pipeline 9.
Further, as a preferred embodiment, an air supply device 3 is arranged in the air supply fan room 6 of the glass cleaning machine, and the air supply device 3 is communicated with an air supply pipeline 9 and used for pressurizing residual heat air in the air supply fan room 6 of the glass cleaning machine and then intensively conveying the residual heat air to the plurality of photovoltaic glass cleaning machines 11.
Preferably, the pressurized waste heat air has higher temperature and lower humidity and also has higher pressure, the air knife in each photovoltaic glass cleaning machine 11 blows out at a high speed, and the cleaned photovoltaic glass plate can be quickly air-dried, so that the waste heat air in the quenching section exhaust room 1 of the toughening furnace is effectively utilized, the utilization rate of energy is improved, the energy waste is reduced, and meanwhile, the air drying efficiency of the cleaning machine can be improved.
Further, as a preferred embodiment, an air filter 7 is arranged in the air supply fan room 6 of the glass cleaning machine, the air supply fan room 6 of the glass cleaning machine is divided into an air inlet cavity 21 and an air outlet cavity 22 by the air filter 7, the air guide pipeline 2 and the air inlet pipeline 9 are respectively communicated with the air inlet cavity 21, and the air supply device 3 is arranged in the air outlet cavity 22.
Preferably, the air filter 7 can filter residual heat air and outdoor air of the toughening furnace, and is used for filtering residual heat air and outside air of the quenching section exhaust room 1 of the toughening furnace so as to meet the air cleanliness required by the photovoltaic glass cleaning machine.
The above are merely preferred embodiments of the present invention, and the embodiments and the protection scope of the present invention are not limited thereby.
The present invention also has the following embodiments in addition to the above:
in a further embodiment of the present invention, with continued reference to fig. 1, the air supply duct assembly includes: the input end of the air supply main pipeline 8 is communicated with the air supply device 3, the input ends of the air supply branch pipelines 12 are respectively communicated with the air supply main pipeline 8, and the input ends of the photovoltaic glass cleaning machines 11 are respectively communicated with the air supply branch pipelines 12.
In a further embodiment of the invention, pressure detection devices 15 are arranged on the exhaust room 1 of the quenching section of the tempering furnace, the air supply fan room 6 of the glass cleaning machine and the plurality of air supply branch pipelines 12.
In a further embodiment of the invention, a pressure detection device 15 on the air supply fan room 6 of the glass cleaning machine is mounted on the air inlet cavity 21.
In a further embodiment of the invention, both the induced draft duct 2 and the air supply main duct 8 are provided with temperature detection means 14.
Preferably, in order to reduce the influence on the toughening furnace toughening process caused by the air draft of the air supply device 3, the pressure detection device 15 and the temperature detection device 14 are arranged at each position for real-time detection and adjustment.
In a further embodiment of the invention, the exhaust duct 4, the intake duct 9, the induced duct 2 and the branch air supply ducts 12 are provided with regulating valves.
Preferably, the regulating valve on the exhaust pipeline 4 is an exhaust regulating valve 5, the regulating valve on the air inlet pipeline 9 is an air inlet regulating valve 10, the regulating valve on the induced air pipeline 2 is an induced air regulating valve 16, and the regulating valve on the air supply branch pipeline 12 is a branch pipeline regulating valve 13.
When the total air volume required by each photovoltaic glass cleaning machine 11 is smaller than the flow of the waste heat air discharged by the quenching section air discharge room 1 of the toughening furnace, the atmospheric pressure in the quenching section air discharge room 1 of the toughening furnace rises, and the exhaust regulating valve 5 automatically increases the valve opening, so that the residual waste heat air in the quenching section air discharge room 1 of the toughening furnace can be directly discharged to the outdoor atmosphere, and the pressure in the quenching section air discharge room 1 of the toughening furnace can be ensured to be stable. When the total air volume required by each photovoltaic glass cleaning machine 11 is larger than the flow of the waste heat air discharged by the quenching section air discharge room 1 of the toughening furnace, the air pressure in the air supply fan room 6 of the glass cleaning machine is reduced, the opening 16 of the air induction regulating valve is automatically reduced, and the opening of the air inlet regulating valve 10 is automatically increased so as to directly extract air from the outside, and the total air volume required by each photovoltaic glass cleaning machine 11 is met on the premise of ensuring the stability of the air pressure in the quenching section air discharge room 1 of the toughening furnace. When the temperature of the residual heat air in the quenching section air exhaust room 1 of the tempering furnace is higher than the temperature required by the photovoltaic glass cleaning machine 11, the air inlet adjusting valve 10 directly extracts a part of outdoor air to be mixed with the residual heat air in the quenching section air exhaust room 1 of the tempering furnace according to the corresponding actions of detection signals of the temperature detection devices 14 on the air guide pipeline 2 and the air supply main pipeline 8, so that the wind temperature required by the photovoltaic glass cleaning machine 11 is realized.
Because the adjustment of the photovoltaic glass processing system may cause the change of the residual heat air discharge amount of the quenching section exhaust room 1 of the toughening furnace and the air quantity required by the air drying of the photovoltaic glass cleaning machine 11, as a preferred embodiment, the air supply device 3 is a fan capable of frequency conversion adjustment.
In order to uniformly convey the waste heat air to each photovoltaic glass cleaning machine 11, a branch pipe adjusting valve 13 and a pressure detection device 15 are respectively arranged on each air supply branch pipeline 12, and the branch pipe adjusting valve 13 and the pressure detection device 15 are controlled in a linkage manner, so that uniform air supply is realized on the premise of meeting the air supply pressure required by the photovoltaic glass cleaning machine 11.
The invention can fully utilize the residual heat air in the quenching section exhaust room 1 of the toughening furnace to be conveyed into the photovoltaic glass cleaning machines 11 through the air supply fan room 6 of the glass cleaning machine, the residual heat air generated by the quenching section exhaust room 1 of the toughening furnace has higher temperature and lower humidity, the cleaned glass plate surface can be air-dried, the residual heat air of the quenching section of the toughening furnace is effectively utilized, the utilization rate of energy is improved, the energy waste is reduced, and the air-drying efficiency of the cleaning machine can be improved.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a wind feed system is concentrated to photovoltaic glass deep-processing production line cleaning machine which characterized in that includes: tempering furnace quench section exhaust room, glass cleaning machine air feed fan room and a plurality of photovoltaic glass cleaning machine, tempering furnace quench section exhaust room with glass cleaning machine air feed fan room is linked together through the induced air pipeline, glass cleaning machine air feed fan room passes through air feed pipe assembly and communicates with a plurality of respectively photovoltaic glass cleaning machine, be equipped with exhaust duct on the tempering furnace quench section exhaust room, be equipped with the intake stack on the glass cleaning machine air feed fan room, the tempering furnace quench section has the waste heat air in the tempering furnace in the exhaust room, waste heat air in the tempering furnace quench section exhaust room passes through glass cleaning machine air feed fan room carries to a plurality of in the photovoltaic glass cleaning machine.
2. The concentrated air supply system of the cleaning machine of the photovoltaic glass deep processing production line as claimed in claim 1, wherein an air supply device is arranged in the air supply fan room of the glass cleaning machine, and the air supply device is communicated with the air supply pipeline and is used for pressurizing residual heat air in the air supply fan room of the glass cleaning machine and then delivering the pressurized residual heat air to a plurality of photovoltaic glass cleaning machines.
3. The concentrated air supply system of the cleaning machine of the photovoltaic glass deep processing production line as claimed in claim 2, wherein an air filter is arranged in the air supply fan room of the glass cleaning machine, the air supply fan room of the glass cleaning machine is divided into an air inlet cavity and an air outlet cavity by the air filter, the air inlet pipeline and the air inlet pipeline are respectively communicated with the air inlet cavity, and the air supply device is arranged in the air outlet cavity.
4. The concentrated air supply system of the cleaning machine for the photovoltaic glass deep processing production line according to claim 3, wherein the air supply pipeline assembly comprises: the photovoltaic glass cleaning machine comprises an air supply main pipeline and a plurality of air supply branch pipelines, wherein the input end of the air supply main pipeline is communicated with the air supply device, the input ends of the air supply branch pipelines are respectively communicated with the air supply main pipeline, and the photovoltaic glass cleaning machine is respectively communicated with the air supply branch pipelines.
5. The concentrated air supply system of the cleaning machine for the photovoltaic glass deep processing production line as claimed in claim 4, wherein pressure detection devices are respectively arranged on the exhaust room of the quenching section of the toughening furnace, the air supply fan room of the glass cleaning machine and the air supply branch pipelines.
6. The concentrated air supply system of the cleaning machine of the photovoltaic glass deep processing production line as claimed in claim 5, wherein the pressure detection device on the air supply fan room of the glass cleaning machine is installed on the air inlet cavity.
7. The concentrated air supply system of the cleaning machine for the photovoltaic glass deep processing production line as claimed in claim 6, wherein the air guide pipeline and the air supply main pipeline are both provided with temperature detection devices.
8. The concentrated air supply system of the cleaning machine for the photovoltaic glass deep processing production line as claimed in claim 7, wherein the exhaust duct, the air inlet duct, the air guide duct and the air supply branch ducts are all provided with regulating valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211484414.7A CN115971190A (en) | 2022-11-24 | 2022-11-24 | Concentrated air supply system of cleaning machine of photovoltaic glass deep processing production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211484414.7A CN115971190A (en) | 2022-11-24 | 2022-11-24 | Concentrated air supply system of cleaning machine of photovoltaic glass deep processing production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115971190A true CN115971190A (en) | 2023-04-18 |
Family
ID=85965483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211484414.7A Pending CN115971190A (en) | 2022-11-24 | 2022-11-24 | Concentrated air supply system of cleaning machine of photovoltaic glass deep processing production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115971190A (en) |
-
2022
- 2022-11-24 CN CN202211484414.7A patent/CN115971190A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204429627U (en) | A kind of drying unit of coating machine | |
| CN115971190A (en) | Concentrated air supply system of cleaning machine of photovoltaic glass deep processing production line | |
| CN201666717U (en) | Strip steel drying device | |
| CN203518513U (en) | Multi-channel heat supply drying system | |
| CN201751402U (en) | Residual-heat utilization device of float glass annealing kiln | |
| CN201420625Y (en) | Low-pressure steam continuous boosting device | |
| CN212378433U (en) | Oven for drying paper | |
| CN108240765A (en) | Two fans hot air drying system and two fans air drying methods | |
| CN114230158A (en) | Annealing kiln waste heat utilization system of photovoltaic calendering glass production line | |
| CN103898723B (en) | Energy-efficient laundry-steam dryer | |
| CN202092473U (en) | Residual heat utilization device used for oxygen addition and combustion supporting of ceramic kiln | |
| CN216659312U (en) | Air-reducing and thickening system | |
| CN104894911A (en) | Plate humidification and heating device | |
| CN205775611U (en) | A kind of paper production line special drying device | |
| CN212378188U (en) | Process air supply system for spinning workshop | |
| CN204869058U (en) | Carrier paper tape puncher punches burr and gets rid of system | |
| CN211771165U (en) | Rice steaming machine steam condensing system | |
| CN212179528U (en) | Hot air supply system using single hot-blast stove | |
| CN216347945U (en) | Electric boiler steam waste heat recycling device | |
| CN212378373U (en) | Viscose long fiber heat recovery unit | |
| CN219972803U (en) | Turbine heat recovery device | |
| CN220710391U (en) | Polar plate solidification waste heat recycling system | |
| CN210778494U (en) | Internal circulation heating and drying structure of etching equipment | |
| CN214737004U (en) | A integral type drying device for coating aftertreatment | |
| CN219772480U (en) | Fabric preshrinking machine cooling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |