CN218901380U

CN218901380U - Exhaust system for factory

Info

Publication number: CN218901380U
Application number: CN202223317181.XU
Authority: CN
Inventors: 文生琴; 文生福; 赵小春; 赵小龙
Original assignee: Shanghai Puao Electronic Technology Co ltd
Current assignee: Shanghai Puao Electronic Technology Co ltd
Priority date: 2022-12-10
Filing date: 2022-12-10
Publication date: 2023-04-25
Anticipated expiration: 2032-12-10

Abstract

The application relates to an exhaust system for a factory, which comprises a UV photolysis device, a first alcohol purifier and a second alcohol purifier, wherein the air outlet end of the first alcohol purifier is connected with a first fan, and the air in a curing area and a laminating area sequentially passes through the UV photolysis device and the first alcohol purifier and is exhausted from the first fan; the gas in the test cleaning area sequentially passes through the first alcohol purifier and the second alcohol purifier and is discharged from the first fan. The UV photolysis device, the first alcohol purifier and the second alcohol purifier are arranged, so that the gas exhausted by the first fan is not dangerous, and the environment-friendly concept is embodied; the first sensor and the first frequency converter are arranged, so that the first fan does not need to keep high-strength rotating speed for a long time, the service life of the first fan is prolonged, and the energy-saving concept is embodied; the second safety valve is arranged, so that the second alcohol purifier is not easy to be damaged due to high pressure, the service life of the second alcohol purifier is prolonged, and the consumption of materials is reduced.

Description

Exhaust system for factory

Technical Field

The application relates to the field of exhaust systems, in particular to an exhaust system for a factory.

Background

The exhaust system aims at preventing the harmful substances generated in the production process of equipment from polluting the air in a workshop, often captures the harmful substances in the workshop through an exhaust hood or an air suction port, and conveys the harmful substances to the purification equipment for treatment through a pipeline, and filters the harmful substances in the air to reach the emission standard and then recycles or discharges the harmful substances into the atmosphere.

The waste gas produced by different workshops in the factory is different, such as toxic gases such as sulfur dioxide produced by hot-pressing rubber in the reinforcing area, toxic gases such as nitrogen oxides discharged by a vacuum pump of a laminating machine in the laminating area, and alcohol in cleaning liquid in the test cleaning area are easy to volatilize into the air.

With respect to the above related art, the inventor considers that the exhaust gas generated by different workshops should use corresponding purifying devices, for example, the exhaust gas generated by the reinforcing area and the laminating area has toxicity, toxic substances in the exhaust gas need to be decomposed, and alcohol in the exhaust gas of the test cleaning area can be filtered and reused, so that the consumption of materials is reduced.

Disclosure of Invention

In order to solve the problem of waste gas treatment of different workshops, the application provides an exhaust system for factories.

The application provides a mill uses exhaust system adopts following technical scheme:

the utility model provides an exhaust system for mill, includes UV photolysis device, first alcohol purifier and second alcohol purifier, UV photolysis device is used for schizolysis gas, second alcohol purifier and second alcohol purifier are used for filtering impurity, UV photolysis device air inlet end is used for connecting the exhaust duct in solidification district and lamination district, UV photolysis device air outlet end and first alcohol purifier air inlet end are through pipeline intercommunication, second alcohol purifier air inlet end is used for connecting the exhaust duct in test washing district, second alcohol purifier air outlet end and first alcohol purifier air inlet end are through pipeline intercommunication, first alcohol purifier air outlet end is connected with first fan, first fan is used for discharging gas, solidification district and lamination district's gas loops through UV photolysis device and first alcohol purifier and discharges from first fan; the gas in the test cleaning area sequentially passes through the first alcohol purifier and the second alcohol purifier and is discharged from the first fan.

By adopting the technical scheme, the waste gas generated in the curing area and the laminating area has toxicity, toxic substances in the waste gas need to be decomposed, the waste gas generated in the curing area and the laminating area firstly passes through the UV photolysis device, the UV photolysis device is used for treating the toxic gas in the waste gas, the waste gas after removing the toxic gas enters the first alcohol purifier, and the first alcohol purifier is used for treating impurities in the waste gas, so that the treatment of the harmful substances in the waste gas is realized, the gas exhausted by the first fan has no danger, and the environment-friendly concept is embodied; and meanwhile, the waste gas in the test cleaning area sequentially passes through the second alcohol purifier and the first alcohol purifier, and the second alcohol purifier and the first alcohol purifier filter impurities such as alcohol in the waste gas, so that the recycling of alcohol is realized, and the concept of environmental protection is embodied.

Optionally, the device further comprises a first sensor and a first frequency converter, wherein the first frequency converter is used for controlling the wind speed of the first fan, the first sensor is electrically connected with the first frequency converter, and the first sensor is used for detecting the displacement of the curing area and the lamination area and controlling the operation of the first frequency converter.

Through adopting above-mentioned technical scheme, first sensor is used for detecting the gas discharge capacity size in solidification district and lamination district, and first sensor converts the gas discharge capacity size in solidification district and lamination district into the signal of telecommunication and transmits to first converter, and the size of first fan is further controlled to first converter, and the rotational speed of first fan changes according to the gas discharge capacity size in solidification district and lamination district, makes first fan need not to keep the rotational speed of high strength for a long time to increase the life of first fan, embody energy-conserving notion.

Optionally, the device further comprises a second sensor and a second frequency converter, wherein the second frequency converter is used for controlling the wind speed of the first fan, the second sensor is electrically connected with the second frequency converter, and the second sensor is used for detecting the displacement of the test cleaning area and controlling the operation of the second frequency converter

Through adopting above-mentioned technical scheme, the second sensor is used for detecting the gas discharge volume size in test cleaning zone, and the second sensor is with the gas discharge volume size conversion in test cleaning zone to electric signal transmission for the second converter, and the second converter further controls the size of first fan, and the rotational speed of first fan changes according to the gas discharge volume size in test cleaning zone, realizes first fan automatic conversion rotational speed size, need not staff manual control to reduce exhaust treatment's cost.

Optionally, the UV photolysis device further comprises a first safety valve, wherein the first safety valve is arranged on the UV photolysis device.

Through adopting above-mentioned technical scheme, on the UV photodissociation device was set up again to first relief valve, the end of giving vent to anger when the UV photodissociation device was stopped up and UV photodissociation device inner chamber atmospheric pressure constantly risees, and waste gas in the UV photodissociation device was opened and discharged to first relief valve, made the UV photodissociation device be difficult for exploding because of atmospheric pressure is too big, improves the safety in utilization of UV photodissociation device.

Optionally, the alcohol purifier further comprises a second safety valve, and the second safety valve is arranged on the second alcohol purifier.

Through adopting above-mentioned technical scheme, when second alcohol purifier inner chamber blocks up, and second alcohol purifier atmospheric pressure constantly risees, the second relief valve is opened and is discharged the gas in the second alcohol purifier, realizes the step-down to the second alcohol purifier inner chamber, makes the second alcohol purifier be difficult for having high pressure and damaging, improves the life of second alcohol purifier, reduces the consumption of material.

Optionally, a third safety valve is further included, and the third safety valve is arranged on the first alcohol purifier.

Through adopting above-mentioned technical scheme, when the excessive inlet end and the end of giving vent to anger that blocks up first alcohol purifier of impurity in the first alcohol purifier, the atmospheric pressure in the first alcohol purifier risees, and the third relief valve opens and discharges the gas in the first alcohol purifier, makes the atmospheric pressure in the first alcohol purifier reduce, realizes the automatic depressurization of first alcohol purifier, makes the staff need not to pay attention to the atmospheric pressure size of first alcohol purifier at every moment to reduce exhaust-gas treatment's cost.

Optionally, the first alcohol purifier includes a jar body and filter element, the filter element is used for filtering impurity, the filter chamber has been seted up in the jar body, the filter element sets up on the filter chamber inner wall, first alcohol purifier outer wall is provided with inlet port and venthole, and the gas in test cleaning zone passes through in proper order inlet port, filter chamber, filter element and venthole.

Through adopting above-mentioned technical scheme, when the gas in the photolysis device and the gas in the second alcohol clarifier get into the filter chamber through the pipeline from the inlet port, the gas in the filter chamber passes through the filter and discharges from the venthole, and the filter filters impurity such as alcohol in the gas to improve the entrapment efficiency to impurity in the gas.

Optionally, the filter includes filter and spacing frame, filter circumference outer wall is fixed at spacing frame inner wall and is formed the filter, the spout that supplies spacing frame outer wall to slide is seted up to the filter chamber inner wall, inlet port and venthole are located the radial both sides of spout.

Through adopting above-mentioned technical scheme, when filter spare uses for a long time and needs to change or clear up, the staff slides spacing frame along spout inner wall towards the direction of keeping away from the jar body, realizes spacing frame and jar body's separation to make things convenient for the staff to filter the washing and change of spare, need not to change whole jar body, thereby reduce the loss of material.

Optionally, the spout inner wall is provided with the mounting, the mounting is used for spacing in the spout inner wall with spacing frame, the mounting includes first elastic component and fixed block, the one end of first elastic component elasticity direction sets up on the spout inner wall, the other end of first elastic component elasticity direction sets up on the fixed block, first elastic component elasticity direction orders about the fixed block to slide towards the direction that is close to spacing frame, just the fixed block outer wall supports tight spacing frame outer wall and forms spacingly.

Through adopting above-mentioned technical scheme, when spacing frame outer wall butt spout inner wall, first elastic component elasticity is driven the fixed block and is slided towards the direction that is close to spacing frame, and the fixed block outer wall supports tight spacing frame outer wall, further improves the fixed of filter and jar body, makes the filter make difficult to carry out the displacement to gas filtration's stability is improved to the filter.

Optionally, the fixed block deviates from the outer wall of first elastic component and is provided with first guide surface, spacing frame outer wall is provided with the second guide surface that matches with first guide surface, works as spacing frame is when the spout slides, first guide surface butt second guide surface, and the direction spacing frame slides at the spout inner wall.

Through adopting above-mentioned technical scheme, when the staff installs the filter on the jar body, first guide surface butt second guide surface to direction spacing frame outer wall butt spout inner wall makes spacing frame stably get into in the spout, need not the staff and accurately aim at, makes the staff more convenient to the installation of filter and jar body.

In summary, the present application includes at least one of the following beneficial technical effects:

the UV photolysis device, the first alcohol purifier and the second alcohol purifier are arranged, so that the gas exhausted by the first fan is not dangerous, and the environment-friendly concept is embodied;

2. the first sensor and the first frequency converter are arranged, so that the first fan does not need to keep high-strength rotating speed for a long time, the service life of the first fan is prolonged, and the energy-saving concept is embodied;

3. the second safety valve is arranged, so that the second alcohol purifier is not easy to be damaged due to high pressure, the service life of the second alcohol purifier is prolonged, and the consumption of materials is reduced.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a schematic diagram of the overall structure of the first alcohol purifier according to the embodiment of the present application.

Fig. 3 is a cross-sectional view of a first alcohol purifier according to an embodiment of the present application.

Fig. 4 is a partial cross-sectional view of a first alcohol purifier according to an embodiment of the present application, mainly showing a fixing member.

Fig. 5 is a schematic view of the overall structure of the filter element in the embodiment of the present application.

Reference numerals illustrate: 1. a UV photolysis device; 2. a first alcohol purifier; 21. a tank body; 22. a filter; 221. a filter plate; 222. a limit frame; 223. a second guide surface; 23. a filter chamber; 24. an air inlet hole; 25. an air outlet hole; 26. a chute; 27. a fixing member; 271. a fixed block; 272. a first elastic member; 273. a first guide surface; 28. a slip groove; 3. a second alcohol purifier; 4. a curing zone; 5. a laminating zone; 6. a first control center; 7. a first safety valve; 8. a second safety valve; 9. a first fan; 10. a first sensor; 11. a first frequency converter; 12. testing the cleaning area; 13. a second control center; 14. a second sensor; 15. a second frequency converter; 16. a second fan; 17. and a third relief valve.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-5.

The embodiment of the application discloses an exhaust system for a factory. Referring to fig. 1, an exhaust system for a factory includes a UV photolysis device 1, a first alcohol purifier 2 and a second alcohol purifier 3, wherein the UV photolysis device 1 is used for cracking toxic gases in exhaust gas, and the first alcohol purifier 2 and the second alcohol purifier 3 are used for filtering impurities such as alcohol in the exhaust gas.

Referring to fig. 2 and 3, the first alcohol purifier 2 comprises a tank body 21 and a filter element 22, a filter cavity 23 is formed in the tank body 21, an air inlet hole 24 and an air outlet hole 25 are formed in the outer wall of the tank body 21, the air inlet hole 24 and the air outlet hole 25 are communicated with the filter cavity 23 towards the direction close to the axis of the tank body 21, and the air inlet hole 24 and the air outlet hole 25 are located on two radial sides of the tank body 21; the tank body 21 is connected with a cover body, and the outer wall of the cover body is connected with the inner wall of the filter cavity 23 in a threaded manner and seals the filter cavity 23.

Referring to fig. 3 and 4, sliding grooves 26 are formed in opposite inner walls of the filter cavity 23, the length direction of the sliding grooves 26 is parallel to the axis of the tank 21, and the air inlet holes 24 and the air outlet holes 25 are located on two sides of the sliding grooves 26.

Referring to fig. 4 and 5, the filter 22 includes a filter plate 221 and a limiting frame 222, and the filter plate 221 is made of PP cotton, so that the filter has high filtering precision; the filter plate 221 is fixed on the outer wall of the limit frame 222 to form a filter piece 22, the limit frame 222 is connected to the inner wall of the chute 26 in a sliding manner, the limit frame 222 separates the filter cavity 23 to form an air inlet cavity and an air outlet cavity, the air inlet hole 24 is positioned on the inner wall of the air inlet cavity, and the air outlet hole 25 is positioned on the inner wall of the air outlet cavity.

Referring to fig. 4 and 5, a tank body 21 is connected with a fixing piece 27, the fixing piece 27 is used for limiting a limiting frame 222 on the inner wall of a chute 26, four sliding grooves 28 are formed in the inner wall of the chute 26, one group of two sliding grooves 28 is formed in the two ends of the chute 26 in the length direction, the two sliding grooves 28 in the same group are formed in the opposite inner wall of the chute 26, the fixing piece 27 comprises a first elastic piece 272 and a fixing block 271, the first elastic piece 272 can be a torsion spring or a compression spring, and the first elastic piece 272 in the embodiment of the application is a compression spring and has certain deformation capability; one end of the first elastic member 272 in the elastic direction is fixed on the inner wall of the sliding groove 28, the other end of the first elastic member 272 in the elastic direction is fixed on the fixed block 271, the fixed block 271 is slidably connected on the inner wall of the sliding groove 28, the first elastic member 272 is elastic to drive the fixed block 271 to slide towards the direction close to the sliding groove 26, and the fixed block 271 protrudes out of the inner wall of the sliding groove 26.

Referring to fig. 4, end surfaces of the fixed blocks 271 facing each other in the same group of sliding grooves 28 are first guide surfaces 273, the inclined height of the first guide surfaces 273 increases as the distance from the first elastic member 272 decreases, and the end surface of the stopper frame 222 facing the fixed blocks 271 is a second guide surface 223 matching the first guide surfaces 273.

Referring to fig. 4 and 5, when the limit frame 222 slides in a direction approaching to the chute 26, the first guide surface 273 abuts against the second guide surface 223, the first guide surface 273 guides the limit frame 222 into the chute 26, the outer wall of the limit frame 222 abuts against the inner wall of the chute 26, and the elastic force of the first elastic member 272 drives the fixing block 271 to abut against the outer wall of the limit frame 222 to form a fixing.

Referring to fig. 4 and 5, exhaust gas of the exhaust duct enters the gas inlet chamber from the gas inlet hole 24, the gas passes through the filter plate 221 to filter impurities such as alcohol in the gas, and then enters the gas outlet chamber, and the gas after removing the impurities is discharged from the gas outlet hole 25.

Referring to fig. 2, a plurality of bolt holes are formed in the outer wall of the tank body 21 facing the ground, the plurality of bolt holes are located at four corners of the tank body 21, and a worker passes through the plurality of bolt holes in a one-to-one correspondence manner and is in threaded connection with the ground, so that the first alcohol purifier 2 is fixed.

Referring to fig. 1, the second alcohol purifier 3 and the first alcohol purifier 2 have the same structure.

Referring to fig. 1 and 2, an air inlet end of the UV photolysis device 1 is communicated with an air exhaust pipeline of the curing zone 4 and the laminating zone 5, a first control center 6 is connected between the UV photolysis device 1 and the air exhaust pipeline of the curing zone 4 and the laminating zone 5, the air outlet end of the UV photolysis device 1 is communicated with an air inlet 24 of the first alcohol purifier 2 through a pipeline due to the fact that the pressure and the air speed of the air exhaust pipeline are detected, a first safety valve 7 is connected to the UV photolysis device 1, a third safety valve 17 is connected to the first alcohol purifier 2, a first fan 9 is connected to the first alcohol purifier 2, the first fan 9 is used for exhausting air, and an air outlet 25 of the first alcohol purifier 2 is communicated with the first fan 9 through a pipeline.

Referring to fig. 1, a first sensor 10 is connected between the uv photolysis device 1 and the exhaust pipes of the curing zone 4 and the laminating zone 5, the first sensor 10 is electrically connected with a first frequency converter 11, the first sensor 10 is used for receiving the displacement of the exhaust pipes of the curing zone 4 and the laminating zone 5 and converting signals thereof into electric signals to be transmitted to the first frequency converter 11, and the first frequency converter 11 is used for controlling the wind speed of the first fan 9.

Referring to fig. 1 and 2, an air inlet 24 of the second alcohol purifier 3 is communicated with an air exhaust pipeline of the test cleaning area 12, a second control center 13 is connected between the second alcohol purifier 3 and the air exhaust pipeline of the test cleaning area 12, the second control center 13 is used for detecting the pressure and the air speed of the air exhaust pipeline, an air outlet 25 of the second alcohol purifier 3 is communicated with the air inlet 24 of the first alcohol purifier 2 through a pipeline, and a second safety valve 8 is connected to the second alcohol purifier 3.

Referring to fig. 1, a second sensor 14 is linked between the second alcohol purifier 3 and the exhaust pipe of the test washing area 12, the second sensor 14 is electrically connected with a second frequency converter 15, the second sensor 14 is used for receiving the displacement of the exhaust pipe of the test washing area 12 and converting signals thereof into electric signals to be transmitted to the second frequency converter 15, and the second frequency converter 15 is used for controlling the wind speed of the second fan 16.

Referring to fig. 1, the first alcohol purifier 2 is further connected with a second fan 16, the second fan 16 is connected with an air outlet 25 of the first alcohol purifier 2 through a pipeline, and when the first fan 9 is damaged and stopped, the second fan 16 is turned on, so that the exhaust system can continuously exhaust the purified gas.

The implementation principle of the exhaust system for the factory in the embodiment of the application is as follows: the waste gas produced in the production of the curing zone 4 and the lamination zone 5 enters the UV photolysis device 1 from an exhaust pipeline, the UV photolysis device 1 is used for cracking toxic gas in the waste gas, the toxic gas is converted into harmless gas, the cracked gas enters an air inlet cavity in the first alcohol purifier 2 from a pipeline, the waste gas in the air inlet cavity enters an air outlet cavity through a filter plate 221, the filter plate 221 is used for filtering impurities such as alcohol in the waste gas, and the filtered gas is discharged from the first fan 9 through the pipeline, so that the gas discharged from the first fan 9 is harmless to residents in the surrounding environment, and the environment-friendly concept is embodied.

Simultaneously, waste gas generated in the test cleaning area 12 sequentially enters the second alcohol purifier 3 and the first alcohol purifier 2 from an exhaust pipeline, the filter plate 221 filters impurities such as alcohol in the waste gas, the filtered gas is discharged from the first fan 9, and alcohol left by the filtration of the first alcohol purifier 2 and the second alcohol purifier 3 is recycled, so that the energy-saving concept is embodied.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. An exhaust system for a factory, characterized in that: the device comprises a UV photolysis device (1), a first alcohol purifier (2) and a second alcohol purifier (3), wherein the UV photolysis device (1) is used for cracking gas, the second alcohol purifier (3) and the second alcohol purifier (3) are used for filtering impurities, an air inlet end of the UV photolysis device (1) is used for connecting an exhaust pipeline of a curing zone (4) and a lamination zone (5), an air outlet end of the UV photolysis device (1) is communicated with an air inlet end of the first alcohol purifier (2) through a pipeline, an air inlet end of the second alcohol purifier (3) is used for connecting an exhaust pipeline of a test cleaning zone (12), an air outlet end of the second alcohol purifier (3) is communicated with an air inlet end of the first alcohol purifier (2) through a pipeline, the air outlet end of the first alcohol purifier (2) is connected with a first fan (9), the first fan (9) is used for exhausting gas, and the gas of the curing zone (4) and the lamination zone (5) sequentially passes through the UV photolysis device (1) and the first fan (2) and is exhausted from the first fan (9); the gas in the test cleaning area (12) sequentially passes through the first alcohol purifier (2) and the second alcohol purifier (3) and is discharged from the first fan (9).

2. A plant exhaust system according to claim 1, wherein: the device further comprises a first sensor (10) and a first frequency converter (11), wherein the first frequency converter (11) is used for controlling the wind speed of the first fan (9), the first sensor (10) is electrically connected with the first frequency converter (11), and the first sensor (10) is used for detecting the displacement of the curing zone (4) and the lamination zone (5) and controlling the operation of the first frequency converter (11).

3. A plant exhaust system according to claim 1, wherein: the wind speed testing device is characterized by further comprising a second sensor (14) and a second frequency converter (15), wherein the second frequency converter (15) is used for controlling the wind speed of the first fan (9), the second sensor (14) is electrically connected with the second frequency converter (15), and the second sensor (14) is used for detecting the displacement of the test cleaning area (12) and controlling the operation of the second frequency converter (15).

4. A plant exhaust system according to claim 1, wherein: the UV photolysis device further comprises a first safety valve (7), and the first safety valve (7) is arranged on the UV photolysis device (1).

5. A plant exhaust system according to claim 1, wherein: the alcohol purifier also comprises a second safety valve (8), wherein the second safety valve (8) is arranged on the second alcohol purifier (3).

6. A plant exhaust system according to claim 1, wherein: the alcohol purifier further comprises a third safety valve (17), and the third safety valve (17) is arranged on the first alcohol purifier (2).

7. A plant exhaust system according to claim 1, wherein: the first alcohol purifier (2) comprises a tank body (21) and a filter element (22), wherein the filter element (22) is used for filtering impurities, a filter cavity (23) is formed in the tank body (21), the filter element (22) is arranged on the inner wall of the filter cavity (23), an air inlet hole (24) and an air outlet hole (25) are formed in the outer wall of the first alcohol purifier (2), and the air in the test cleaning area (12) sequentially passes through the air inlet hole (24), the filter cavity (23), the filter element (22) and the air outlet hole (25).

8. A factory exhaust system according to claim 7, wherein: the filter piece (22) comprises a filter plate (221) and a limiting frame (222), the peripheral outer wall of the filter plate (221) is fixed on the inner wall of the limiting frame (222) to form the filter piece (22), a sliding groove (26) for sliding the outer wall of the limiting frame (222) is formed in the inner wall of the filter cavity (23), and the air inlet hole (24) and the air outlet hole (25) are located on two radial sides of the sliding groove (26).

9. A factory exhaust system according to claim 8, wherein: the utility model discloses a limiting frame, including spout (26) inner wall, spout (26) inner wall is provided with mounting (27), mounting (27) are used for spacing frame (222) in spout (26) inner wall, mounting (27) are including first elastic component (272) and fixed block (271), the one end of first elastic component (272) elasticity direction sets up on spout (26) inner wall, the other end setting of first elastic component (272) elasticity direction is on fixed block (271), the direction that first elastic component (272) elasticity direction driven fixed block (271) towards being close to spacing frame (222) slides, just fixed block (271) outer wall supports tight limit frame (222) outer wall and forms spacingly.

10. A plant exhaust system according to claim 9, wherein: the fixed block (271) deviates from the outer wall of the first elastic piece (272) and is provided with a first guide surface (273), the outer wall of the limiting frame (222) is provided with a second guide surface (223) matched with the first guide surface (273), and when the limiting frame (222) slides in the sliding groove (26), the first guide surface (273) is abutted to the second guide surface (223) and guides the limiting frame (222) to slide in the inner wall of the sliding groove (26).