CN212262197U - Automatic fire fighting device for exhaust pipeline of painting room of coating line - Google Patents
Automatic fire fighting device for exhaust pipeline of painting room of coating line Download PDFInfo
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- CN212262197U CN212262197U CN202020434661.6U CN202020434661U CN212262197U CN 212262197 U CN212262197 U CN 212262197U CN 202020434661 U CN202020434661 U CN 202020434661U CN 212262197 U CN212262197 U CN 212262197U
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Abstract
The utility model provides an automatic fire control unit for coating line paint spray booth exhaust pipe way, including the paint spray booth subassembly of airing exhaust of connection on the paint spray booth, and set up the inside automatic spray subassembly of airing exhaust at the paint spray booth, the setting of subassembly and automatic spray subassembly are aired exhaust to the paint spray booth in the device, can be when the conflagration breaks out in the paint spray booth, through the closing of lower tuber pipe clean room and the butterfly valve between the tuber pipe down, and the automatic of the electronic fire prevention valve between tuber pipe clean room and the last tuber pipe seals, realize the good isolation of interior flame of exhaust pipe and outside air, thereby effectual control intensity of a fire, avoid it to stretch, cause bigger loss. Meanwhile, when the electric control system detects a fire signal, the electric control system can also control the spray heads in the upper air pipe and the lower air pipe in the closed space to perform spraying action so as to realize forced fire extinguishing, thereby effectively extinguishing the fire and reducing the loss to the minimum.
Description
Technical Field
The utility model relates to a fire-fighting equipment technical field, specific automatic fire-fighting equipment for coating line paint spray booth exhaust pipeline that says so.
Background
The coating and the coating operation are spread in various departments of national economy, and increasingly perfect coating technology is making a contribution to promoting the development of national economy in China; however, the proportion of coatings and coating operation in China is large, the overall safety level needs to be improved urgently, certain potential safety hazards still exist in the coating operation, and the damage caused by the potential safety hazards causes great attention of national governing departments and social circles.
The proportion of fire accidents caused by electric fire and other reasons in the coating industry has increased from 23% in the middle of the 80 s to nearly 50% in the middle of the 90 s. With the development of large-scale coating production, the fire loss tends to be serious, the average direct economic loss of each fire accident is nearly two million yuan, and the direct economic loss of some fire accidents is as high as six million yuan.
Generally, when a paint spray booth of a coating line is used and is normally operated for a period of time, the technical performance of the paint spray booth is gradually reduced due to insufficient maintenance and management. Especially, the air exhaust duct in the paint spraying room is the biggest hidden danger of fire because of long-term paint accumulation and difficult cleaning. The fire accident of the painting room of the painting line is analyzed over the years, and the fire accident is caused by the fact that accumulated paint which is not cleaned in an exhaust air pipe of the painting room meets electric sparks generated by an exhaust fan. However, the key point of fire protection of the existing paint spraying chamber of the coating line is fire protection in the paint spraying chamber body, fire protection equipment is arranged in the paint spraying chamber body, and no fire protection equipment is arranged in an exhaust pipe. In case of a fire disaster, when a worker detects that a fire accident occurs, the fire behavior is already spread to the upper air pipe through the lower air pipe, the exhaust fan and the upper air pipe cleaning chamber by the lower air pipe cleaning chamber, and the fire behavior is combustion-supported by the external air communication.
SUMMERY OF THE UTILITY MODEL
The technical purpose of the utility model is that: the utility model provides an automatic fire control unit for coating line paint spray booth exhaust pipe way, this automatic fire control unit can the fire behavior in the automatic monitoring paint spray booth exhaust pipe to when detecting the fire behavior, it is isolated with exhaust pipe and outside air automatically, and start simultaneously and force fire extinguishing apparatus, thereby can put out the fire behavior fast, effectively.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be: the utility model provides an automatic fire control unit for coating line paint spray booth exhaust pipe way, is including connecting the paint spray booth subassembly of airing exhaust on the paint spray booth to and set up the inside automatic spray subassembly of airing exhaust at the paint spray booth, the paint spray booth subassembly of airing exhaust including concatenating the lower tuber pipe clean room, down tuber pipe, exhaust fan, windward pipe clean room and the windward pipe that sets up in proper order, all be provided with the emergency exit that makes things convenient for the entering on the lateral wall face of lower tuber pipe clean room and windward pipe clean room, lower tuber pipe clean room and be equipped with the butterfly valve down between the tuber pipe, be equipped with electronic fire prevention valve between windward pipe clean room and the windward pipe, and the exit of windward pipe still is provided with the rain cap.
The automatic spray assembly comprises an electric control system, a fire fighting pipeline, a master control stop valve, a pressure gauge, an electric valve and a spray head unit, wherein the master control stop valve, the pressure gauge, the electric valve and the spray head unit are sequentially arranged on the fire fighting pipeline along the water flow conveying direction, the spray head unit comprises a lower air pipe spray head arranged at the top end of the lower air pipe and an upper air pipe spray head arranged at the top end of the upper air pipe, the lower air pipe spray head and the upper air pipe spray head are connected in parallel at the tail end of the fire fighting pipeline, the other end of the fire fighting pipeline is connected with a fire hydrant on the fire fighting main pipeline, the electric valve is connected with an electric fire valve in an air exhaust assembly of a spray booth through the electric control system, and the electric valve can control the upper air pipe spray head and the lower air pipe spray head to perform.
Preferably, the bottom of the lower air pipe cleaning chamber is provided with a ground grid, and the lower air pipe cleaning chamber is communicated with the underground air duct through the ground grid.
Preferably, the bottom of the upper air pipe cleaning chamber is provided with an upper cleaning chamber grid.
Preferably, the top of the lower air pipe cleaning chamber is provided with a lower platform, the exhaust fan is arranged on the lower platform, a lower platform guardrail is arranged on the periphery of the lower platform, and a lower platform straight ladder is further arranged on one side of the lower platform.
Preferably, the outside of exhaust fan is provided with the room that gives sound insulation, and is provided with the door that gives sound insulation on one of them curb plate in this room that gives sound insulation.
Preferably, the top of exhaust fan is provided with the upper mounting plate, and the upper air duct clean room sets up on this upper mounting plate, and the top and the upper air duct butt joint of upper air duct clean room, the periphery of upper mounting plate is provided with the upper mounting plate guardrail, and one side of upper mounting plate still is provided with the straight ladder of upper mounting plate.
Preferably, the air inlet of the exhaust fan is connected with the lower air pipe through a lower flexible coupling, and the air outlet of the exhaust fan is connected with the upper air pipe through an upper flexible coupling.
Preferably, an angle filter valve used for filtering water flow is further arranged between the master control stop valve and the pressure gauge on the fire fighting pipeline.
Preferably, on the fire-fighting pipeline, an on-off stop valve I is arranged between the electric valve and the pressure gauge, and an on-off stop valve II is arranged between the electric valve and the spray head unit and used for closing the pipeline when the electric valve is maintained.
Preferably, a low-temperature fuse is arranged in the electric fire damper.
Has the advantages that:
1. the utility model discloses an automatic fire control unit for coating line paint spray booth exhaust pipe, simple structure, reasonable in design, degree of automation is high, maneuverability is good. The setting of the assembly of airing exhaust of spray booth and automatic spray subassembly in the device can be when the spray booth conflagration breaks out, through the closing of the butterfly valve between tuber pipe clean room and the tuber pipe down to and the self-sealing of the electronic fire prevention valve between tuber pipe clean room and the last tuber pipe, realize the good isolated of flame and outside air in the exhaust pipe, thereby effectual control intensity of a fire, avoid it to stretch, cause bigger loss. Meanwhile, when the electric control system detects a fire signal, the electric control system can also control the spray heads in the upper air pipe and the lower air pipe in the closed space to perform spraying action so as to realize forced fire extinguishing, thereby effectively extinguishing the fire and reducing the loss to the minimum.
2. The utility model discloses an automatic fire control unit for coating line paint spray booth exhaust pipe, when the conflagration breaks out in the paint spray booth, the intensity of a fire spreads to the windward pipe through leeward pipe, exhaust fan, windward pipe clean room by leeward pipe clean room, when reaching certain temperature (such as 70 ℃), electronic fire prevention valve can self-closing; meanwhile, an electric control system connected with the electric fire damper can start automatic water spraying, automatic forced fire extinguishing under the unmanned condition is realized, and therefore fire is effectively extinguished.
3. The utility model discloses an automatic fire control unit for coating line paint spray booth exhaust pipe, moreover, the steam generator is simple in structure, and is rationally distributed, set up tuber pipe clean room and leeward pipe clean room respectively through the below of last tuber pipe and tuber pipe down in the device, and set up the emergency exit on the lateral wall of tuber pipe clean room and leeward pipe clean room, the inside that makes the entering tuber pipe that operating personnel can be convenient carries out the regularly clearance of interior deposition of tuber pipe with the inside of leeward pipe, with the potential safety hazard of the interior emergence conflagration of elimination tuber pipe, and strong operability, excellent in practical effect.
4. The utility model discloses an automatic fire control unit for coating line paint spray booth exhaust pipe way sets up the ground grid through the bottom of tuber pipe clean room and last tuber pipe clean room under, can realize the good ventilation of exhaust pipe way, improves the air quality in the paint spray booth, can make things convenient for operating personnel to stand on the grid board again and clear up the long-pending lacquer in the tuber pipe. Meanwhile, the latticed structure of the grating plate can automatically separate the moisture in the exhaust air process, so that the moisture containing paint is effectively prevented from being exhausted into the outside air to pollute the atmosphere and the surrounding environment, and the moisture in the exhaust air can be separated to prevent the exhaust pipeline from being rusted.
Drawings
FIG. 1 is a schematic front view of the air exhaust assembly of the spray booth of the present invention;
FIG. 2 is a schematic left side view of the structure of the exhaust assembly of the middle spray booth of the present invention;
FIG. 3 is a schematic top view of the air exhaust assembly of the spray booth of the present invention;
FIG. 4 is a schematic diagram of an automatic spray assembly of the present invention;
in the figure: 1. an underground air duct; 2. a floor grid; 3. a lower air duct cleaning chamber; 4. a butterfly valve; 5. a lower flexible coupling; 6. a lower air duct; 7. a down-draft tube spray header; 8. an upper platform; 9. an upper cleaning chamber grid; 10. an upper platform guardrail; 11. an upper air pipe spray header; 12. a rain cap; 13. an upper air pipe; 14. an electric fire damper; 15. an upper air pipe cleaning chamber; 16. a safety door; 17. performing upper soft connection; 18. an exhaust fan; 19. a sound insulation room; 20. a lower platform; 21. a lower platform guardrail; 22. an electronic control system; 23. a lower platform vertical ladder; 24. an upper platform straight ladder; 25. a sound-insulating door; 26. an angle filter; 27. a pressure gauge; 28. a master control stop valve; 29. an electrically operated valve; 30. a fire conduit; 31. the on-off stop valve I is connected with the valve body; 32. and a on-off stop valve II.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
as can be seen from fig. 1, 2 and 3, the present invention relates to an automatic fire fighting device for an exhaust duct of a paint spray booth of a coating line, which comprises an exhaust assembly connected to the paint spray booth and an automatic spray assembly disposed inside the exhaust assembly. Wherein, the air exhaust component of the paint spray booth comprises a lower air pipe cleaning chamber 3, a lower air pipe 6, an exhaust fan 18, an upper air pipe cleaning chamber 15 and an upper air pipe 13 which are sequentially connected in series, the lower air pipe cleaning chamber 3, the lower air pipe 6, the upper air pipe cleaning chamber 15 and the upper air pipe 13 are all vertically arranged, the lower air pipe cleaning chamber 3 is arranged under the lower air pipe 6, the upper air pipe cleaning chamber 15 is arranged under the upper air pipe 13, the bottom of the lower air pipe cleaning chamber 3 is communicated with an underground air duct 1 through a ground grid 2, safety doors 16 which are convenient to enter are arranged on the side wall surfaces of the lower air pipe cleaning chamber 3 and the upper air pipe cleaning chamber 15, a butterfly valve 4 is arranged between the lower air pipe cleaning chamber 3 and the lower air pipe 6, once a fire disaster occurs, an operator can isolate the fire disaster from the air of the paint spray booth by closing the butterfly valve 4, avoid the lower air pipe 6 of the paint spray booth from spreading to the spray booth, thereby effectively controlling the fire at the initial stage of the fire. An electric fire damper 14 is arranged between the upper air pipe cleaning chamber 15 and the upper air pipe 13, and a rain cap 12 is arranged at the outlet of the upper air pipe 13; the top of tuber pipe clearance room 3 is provided with down platform 20 down, and exhaust fan 18 lays on this platform 20 down, and lower tuber pipe 6 links to each other with exhaust fan 18 through flexible coupling 5 down, and exhaust fan 18 links to each other with upper tuber pipe clearance room 15 through last flexible coupling 17 to exhaust fan 18 realizes following the effect that tuber pipe 6 convulsions to 13 rows of tuber pipes down. 15 entrances of upper air duct clean room are equipped with clean room grid 9 on, and this place sets up the grid and can realize ventilating, can realize again that the people can stand and clear up in the upper air duct, and the air current that contains moisture simultaneously collides the grid at the in-process of airing exhaust, and grid separation moisture makes its inflow underground air duct 1, and the moisture that the separation was aired is avoided including the moisture and is discharged into aloft, polluted atmosphere, all ring edge borders to and prevent the purpose of tuber pipe corrosion.
Be equipped with electronic fire prevention valve 14 between upper air duct clean room 15 and the upper air duct 13, the upper air duct 13 exit is equipped with rain cap 12, in case the conflagration breaks out, electronic fire prevention valve 14 self-closing is isolated with the intensity of a fire and outside air, avoids the combustion-supporting upper air duct 13 of outside air to prevent that the intensity of a fire from stretching in exhaust duct. Meanwhile, the electric fire damper 14 transmits an electric signal to the electric control system 22, and the electric control system 22 controls the upper air pipe spray header 11 and the lower air pipe spray header 7 to spray for forced fire extinguishing, so that the fire behavior and fire extinguishing can be effectively controlled at the initial stage of fire.
Go up tuber pipe clean-up room 15 and last tuber pipe 13 and set up on upper mounting plate 8, 8 peripheries of upper mounting plate are equipped with upper mounting plate guardrail 10, be equipped with the straight ladder 24 of upper mounting plate on the upper mounting plate 8, 20 peripheries of lower mounting plate are equipped with lower platform guardrail 21, be equipped with lower platform straight ladder 23 on the lower mounting plate 20, set up the platform, guardrail and straight ladder are convenient for the staff and get into tuber pipe clean-up room 15, tuber pipe clean-up room 3 is to last tuber pipe 13 down, tuber pipe 6 clears up the work down, and guarantee staff's safety.
As can be seen from fig. 1, 2 and 4, the automatic spraying assembly includes an electric control system 22, a fire fighting pipeline 30, and a master control stop valve 28, a pressure gauge 27, an electric valve 29 and a spraying head unit sequentially arranged on the fire fighting pipeline 30 along a water flow conveying direction, the spraying head unit includes a down pipe spraying head 7 arranged at the top end inside a down pipe 6 and an up pipe spraying head 11 arranged at the top end inside an up pipe 13, the down pipe spraying head 7 and the up pipe spraying head 11 are arranged at the end of the fire fighting pipeline 30 in parallel, the other end of the fire fighting pipeline 30 is connected with a fire hydrant on the fire fighting main pipeline, the master control stop valve 28 is installed at the interface of the fire fighting pipeline 30, and the master control stop valve 28 is used for realizing the connection and the closing of the automatic spraying room spraying assembly and the master fire fighting pipeline; the angle filter valve 26 is arranged behind the master control stop valve 28 and is used for filtering impurities flowing into the fire fighting pipeline 30, so that the blockage of a pressure gauge 27, an electric valve 29, a downwind pipe spray header 7 and an upwind pipe spray header 11 on the fire fighting pipeline 30 is avoided, and the reliable work of each element in the assembly is guaranteed; a pressure gauge 27 is installed behind the corner filter valve 26 for displaying the water pressure in the fire fighting pipe 30; the electric valve 29 is arranged behind the pressure gauge 27, the electric valve 29 is connected with the electric control system 22, the electric fire prevention valve 14 is linked with the upper air pipe spray header 11 and the lower air pipe spray header 7 through the electric control system 22, the closing signal of the electric fire prevention valve 14 is transmitted to the electric control system 22, and the electric valve 29 is signaled to be opened, so that the upper air pipe spray header 11 and the lower air pipe spray header 7 perform spraying action, and the automatic forced fire extinguishing function in the upper air pipe and the lower air pipe is realized; the on-off stop valve I31 and the on-off stop valve II 32 are arranged on two sides of the electric valve 29 and used for closing the fire fighting pipeline when the electric valve 29 is maintained; the spray heads of the automatic spray assembly are respectively arranged at the top of the lower air pipe 6 and the top of the upper air pipe 13 and are respectively used for spraying and fire fighting in the lower air pipe 6 and the upper air pipe 13.
As can be seen from fig. 1, 2, 3 and 4, when a fire occurs in the paint spray booth, the fire spreads from the downdraft cleaning chamber 3 to the updraft 13 through the downdraft 6, the exhaust fan 18 and the updraft cleaning chamber 15. If the working personnel perceive the fire-fighting protection device, the working personnel immediately start and close the butterfly valve 4 between the lower air pipe cleaning chamber 3 and the lower air pipe 6 and the electric fire-fighting valve 14 between the upper air pipe cleaning chamber 15 and the upper air pipe 13; the fire is isolated from the outside air, and the fire spread is well controlled. When the electric fire damper 14 is closed, the electric fire damper 14 feeds fire information back to the electric control system 22, the electric control system 22 regulates and controls the electric valve 29 to be opened, so that the lower air pipe spray header 7 and the upper air pipe spray header 11 are immediately started to spray, forced fire extinguishment in the upper air pipe and the lower air pipe is carried out, and the fire is effectively extinguished.
In addition, if the worker does not find the fire, or no person is in the paint spray booth, once a fire occurs in the paint spray booth, the fire spreads from the lower air duct cleaning chamber 3 to the upper air duct 13 through the lower air duct 6, the exhaust fan 18 and the upper air duct cleaning chamber 15, when the temperature in the upper air duct 13 reaches a certain temperature (73 +/-3 ℃), the low-temperature fuse in the electric fire prevention valve 14 is fused, the electric fire prevention valve 14 is automatically closed, meanwhile, the electric fire prevention valve 14 feeds fire information back to the electric control system 22, the electric control system 22 regulates the electric valve 29 to be opened, so that the lower air duct spray head 7 and the upper air duct spray head 11 are immediately started to spray, forced fire extinguishment in the upper air duct and the lower air duct is performed, automatic forced fire extinguishment is realized under the unmanned condition, and the fire is effectively extinguished.
The utility model discloses an automatic fire control unit for coating line paint spray booth exhaust pipe, simple structure, reasonable in design, convenient to use is fit for using widely in coating line paint spray booth exhaust pipe.
Finally, it should be noted that: while the present invention has been described with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. All changes, modifications, equivalents and the like which come within the spirit of the invention are intended to be embraced therein.
Claims (10)
1. The utility model provides an automatic fire control unit for coating line paint spray booth exhaust pipe way, is including connecting the paint spray booth subassembly of airing exhaust on the paint spray booth to and set up the inside automatic spray subassembly of subassembly, its characterized in that of airing exhaust in the paint spray booth: the air exhaust assembly of the paint spray chamber comprises a lower air pipe cleaning chamber (3), a lower air pipe (6), an exhaust fan (18), an upper air pipe cleaning chamber (15) and an upper air pipe (13) which are sequentially connected in series, safety doors (16) which are convenient to enter are arranged on the side wall surfaces of the lower air pipe cleaning chamber (3) and the upper air pipe cleaning chamber (15), a butterfly valve (4) is arranged between the lower air pipe cleaning chamber (3) and the lower air pipe (6), an electric fireproof valve (14) is arranged between the upper air pipe cleaning chamber (15) and the upper air pipe (13), and a rain cap (12) is further arranged at the outlet of the upper air pipe (13);
the automatic spraying assembly comprises an electric control system (22), a fire pipeline (30), a master control stop valve (28), a pressure gauge (27), an electric valve (29) and a spraying head unit, wherein the master control stop valve (28), the pressure gauge (27), the electric valve (29) and the spraying head unit are sequentially arranged on the fire pipeline (30) along the water flow conveying direction, the spraying head unit comprises a lower air pipe spraying head (7) arranged at the top end inside a lower air pipe (6) and an upper air pipe spraying head (11) arranged at the top end inside an upper air pipe (13), the lower air pipe spraying head (7) and the upper air pipe spraying head (11) are arranged at the tail end of the fire pipeline (30) in parallel, the other end of the fire pipeline (30) is connected with a fire hydrant on a fire main pipeline, the electric valve (29) is connected with an electric fire valve (14) in the air exhaust assembly of a spray chamber through the electric control system (22), so that the electric, the upper air pipe spray header (11) and the lower air pipe spray header (7) are controlled to carry out spraying and fire extinguishing actions in the air exhaust assembly of the spray booth.
2. An automatic fire fighting unit as defined in claim 1 for an exhaust duct of a paint spray booth of a coating line, wherein: the bottom of tuber pipe clearance room (3) is provided with ground grid (2) down, and tuber pipe clearance room (3) link up each other with secret wind channel (1) through ground grid (2) down.
3. An automatic fire fighting unit as defined in claim 1 for an exhaust duct of a paint spray booth of a coating line, wherein: an upper cleaning chamber grid (9) is arranged at the bottom of the upper air pipe cleaning chamber (15).
4. An automatic fire fighting unit as defined in claim 1 for an exhaust duct of a paint spray booth of a coating line, wherein: the top of tuber pipe clean-up room (3) is provided with down platform (20) down, and exhaust fan (18) are laid on this platform (20) down, and the periphery of platform (20) is provided with down platform guardrail (21), one side of platform (20) still is provided with down platform vertical ladder (23) down.
5. An automatic fire fighting unit as defined in claim 1 for an exhaust duct of a paint spray booth of a coating line, wherein: and a sound insulation room (19) is arranged on the outer side of the exhaust fan (18), and a sound insulation door (25) is arranged on one side plate of the sound insulation room (19).
6. An automatic fire fighting unit as defined in claim 1 for an exhaust duct of a paint spray booth of a coating line, wherein: the top of exhaust fan (18) is provided with upper mounting plate (8), and upper air duct clean room (15) set up on this upper mounting plate (8), and the top and upper air pipe (13) butt joint of upper air duct clean room (15), the periphery of upper mounting plate (8) is provided with upper mounting plate guardrail (10), and one side of upper mounting plate (8) still is provided with upper mounting plate vertical ladder (24).
7. An automatic fire fighting unit as defined in claim 1 for an exhaust duct of a paint spray booth of a coating line, wherein: the air inlet of the exhaust fan (18) is connected with the lower air pipe (6) through the lower flexible coupling (5), and the air outlet of the exhaust fan (18) is connected with the upper air pipe (13) through the upper flexible coupling (17).
8. An automatic fire fighting unit as defined in claim 1 for an exhaust duct of a paint spray booth of a coating line, wherein: an angle filtering valve (26) for filtering water flow is arranged on the fire fighting pipeline (30) and between the master control stop valve (28) and the pressure gauge (27).
9. An automatic fire fighting unit as defined in claim 1 for an exhaust duct of a paint spray booth of a coating line, wherein: on the fire fighting pipeline (30), an on-off stop valve I (31) is arranged at a position between the electric valve (29) and the pressure gauge (27), and an on-off stop valve II (32) is arranged at a position between the electric valve (29) and the spray head unit and is used for closing a pipeline when the electric valve (29) is maintained.
10. An automatic fire fighting unit as defined in claim 1 for an exhaust duct of a paint spray booth of a coating line, wherein: the electric fire damper (14) is internally provided with a low-temperature fuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020434661.6U CN212262197U (en) | 2020-03-30 | 2020-03-30 | Automatic fire fighting device for exhaust pipeline of painting room of coating line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020434661.6U CN212262197U (en) | 2020-03-30 | 2020-03-30 | Automatic fire fighting device for exhaust pipeline of painting room of coating line |
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| CN212262197U true CN212262197U (en) | 2021-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020434661.6U Active CN212262197U (en) | 2020-03-30 | 2020-03-30 | Automatic fire fighting device for exhaust pipeline of painting room of coating line |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111388906A (en) * | 2020-03-30 | 2020-07-10 | 第一拖拉机股份有限公司 | Automatic fire fighting device for exhaust pipeline of painting room of coating line |
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2020
- 2020-03-30 CN CN202020434661.6U patent/CN212262197U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111388906A (en) * | 2020-03-30 | 2020-07-10 | 第一拖拉机股份有限公司 | Automatic fire fighting device for exhaust pipeline of painting room of coating line |
| CN111388906B (en) * | 2020-03-30 | 2024-05-07 | 第一拖拉机股份有限公司 | Automatic fire-fighting device for exhaust pipeline of paint spray booth of coating line |
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