CN216779192U

CN216779192U - Paint spraying room

Info

Publication number: CN216779192U
Application number: CN202123134597.3U
Authority: CN
Inventors: 龙开成
Original assignee: Ningbo Licheng Coating Technology Co ltd
Current assignee: Ningbo Licheng Coating Technology Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-06-21
Anticipated expiration: 2031-12-10

Abstract

The paint spray booth comprises a paint spray booth body and a waste gas treatment chamber, wherein the paint spray booth body is communicated with the waste gas treatment chamber through a pipeline, the paint spray booth body is provided with a circulating air inlet, the circulating air inlet is connected with the waste gas treatment chamber through an internal circulating air pipe, part of gas treated by the waste gas treatment chamber is delivered to the paint spray booth body through the internal circulating air pipe, the waste gas treatment chamber is also connected with an external exhaust pipe, and the external exhaust pipe is used for exhausting gas; the fresh air inlet is connected with a fresh air pipe and used for supplying fresh air to the paint spray booth body. The application provides a spray booth has advantages such as exhaust-gas treatment is complete, coating cloud purification efficiency is high, energy saving and consumption saving, running cost are low, environmental protection.

Description

Paint spraying room

Technical Field

The utility model relates to a waste gas treatment technical field specifically relates to a spray booth.

Background

At present, a paint spraying process is widely applied to the industries of machinery, automobiles, electrical equipment and the like, a large amount of waste gas generated in paint spraying operation volatilizes into the air, and the paint spraying waste gas mainly comprises liquid paint mist and gaseous organic dust, so that the production environment and the atmosphere of production equipment are polluted, and the paint mist needs to be treated, the paint spraying environment is improved, and the environment-friendly emission requirement is met.

At present, some technical solutions for treating waste gas through a paint spray booth have been disclosed in the prior art, for example, the publication number is: the invention of CN102580451A discloses a method for treating paint spraying waste gas, and specifically discloses a method for treating paint spraying waste gas by adopting a cyclic concentration mode, i.e. most of the large air volume and low concentration gas discharged from the paint spraying chamber is circulated back to the paint spraying chamber after paint mist treatment, a small part of the gas is discharged after purification, and the gas concentration in the paint spraying chamber is gradually increased along with the paint spraying operation, so that the large air volume gas is concentrated into a small flow of gas for purification treatment. Adopt the concentrated mode of circulation to handle the waste gas that sprays paint among this technical scheme, the big amount of wind that discharges the spray booth promptly, low concentration gas most circulation after the coating cloud is handled returns the spray booth, and the emission after the gas purification of small part, but coating cloud purification efficiency among this technical scheme is low, need can reach the emission requirement through repeated purification to this kind of circulation mode need adopt a large amount of fans, has improved greatly and has used the energy consumption, the increase cost.

For example, the publication numbers are: the invention of CN107890685A discloses an energy-saving and environment-friendly circulating waste gas treatment system applied to a paint spraying and baking process, and particularly discloses that the waste gas treatment system comprises a spraying chamber and a circulating waste gas treatment unit, wherein the air inlet end of the circulating waste gas treatment unit is communicated with the bottom of the spraying chamber, the air outlet end of the circulating waste gas treatment unit is communicated with the top of the spraying chamber, the spraying chamber and the circulating waste gas treatment unit form a circulating air duct, and the circulating waste gas treatment unit pumps waste gas in the spraying chamber away and returns the waste gas into the spraying chamber after the waste gas treatment. According to the technical scheme, the organic volatile gas in the waste gas is decomposed by adopting a catalytic combustion mode, the air quantity of the spray painting waste gas is large, the concentration of organic substances is low, the waste gas is directly treated by adopting an incineration method, and the defects of large equipment investment and high operating cost exist.

From the content disclosed in the prior art, all paint spray booths in practical use at present have the problems of incomplete waste gas treatment, low paint mist purification efficiency, high energy consumption and the like.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to all there are the exhaust-gas treatment incomplete, the coating cloud purification efficiency is low, the high problem of energy consumption among the prior art spray booth, provide a spray booth, have that exhaust-gas treatment is complete, the coating cloud purification efficiency is high, energy saving, running cost low, advantages such as environmental protection.

One of the concepts of the present disclosure is to provide a paint spray booth, which includes a paint spray booth body and an exhaust gas treatment chamber, wherein the paint spray booth body is connected to the exhaust gas treatment chamber, the paint spray booth body is used to primarily purify exhaust gas, and the exhaust gas treatment chamber is used to completely filter exhaust gas; the paint spray booth comprises a paint spray booth body, and is characterized in that the paint spray booth body is provided with a circulating air inlet, the circulating air inlet is connected with a waste gas treatment chamber through an internal circulating air pipe, part of gas treated by the waste gas treatment chamber passes through the internal circulating air pipe and reaches the paint spray booth body, the waste gas treatment chamber is further connected with an outer exhaust pipe, and the outer exhaust pipe is used for exhausting gas.

Through setting up the inner loop tuber pipe among this technical scheme for the part gas after advancing the exhaust-gas treatment room and handling, through inner loop tuber pipe to spray booth body, the energy consumption has been saved greatly in gas circulation use, reduce cost, and improve the coating cloud treatment effeciency.

Furthermore, another concept of the present disclosure is that the paint spray booth body is further provided with a fresh air inlet, the fresh air inlet is connected with an air supplementing pipe, and the fresh air inlet is used for supplementing fresh air to the paint spray booth body. The spray booth body forms a circulation system with the exhaust-gas treatment room to the exhaust-gas treatment room is through arranging the tuber pipe exhaust part gas outward, and the atmospheric pressure of whole system is in unbalanced state easily, is used for supplementing the air supplement pipe of fresh air through the setting, makes entire system's atmospheric pressure be in the balance, improves coating cloud treatment effeciency.

Furthermore, another idea of the present disclosure is that a double cyclone device is disposed between the paint spray booth body and the exhaust gas treatment chamber, and the double cyclone device is used for filtering paint mist; the double-cyclone device comprises a primary spray tower and a secondary spray tower, the primary spray tower is connected with the paint spray booth body, and the secondary spray tower is connected with the waste gas treatment chamber. The paint mist is filtered by spraying through two stages, so that the paint mist purification effect is better, and the paint mist treatment efficiency is improved.

Still further, another concept of the present disclosure is to provide a rotor paint removal chamber between the double cyclone device and the exhaust gas treatment chamber, the rotor paint removal chamber being used for ultrasonic cleaning of the exhaust gas, the rotor paint removal chamber being provided with an ultrasonic cleaning device and a rotor transmission device. The waste gas with paint mist is cleaned by ultrasonic waves, so that the paint mist cleaning effect is greatly improved.

Furthermore, the waste gas treatment chamber comprises a water-gas separation device which is connected with the waste gas treatment chamber and the rotor paint removal chamber.

Furthermore, the waste gas treatment chamber still includes primary filter, medium efficiency filter and active carbon adsorption case, the filter is used for waste gas dry-type filtration, the active carbon adsorption case is used for adsorbing the coating cloud. The waste gas with paint mist passes through the ultrasonic cleaning unit, the water-gas separation unit, the dry type filtering unit and the active carbon filtering unit in sequence, and the gas treated by the filtering module can reach the waste gas emission standard.

Still further, another concept of the present disclosure is that the activated carbon adsorption tank is detachably and replaceably disposed. Activated carbon adsorption is efficient, but uses the back for a long time, and activated carbon adsorption is saturated, and adsorption efficiency reduces, through setting up detachable, removable activated carbon adsorption case for just can dismantle and change after the activated carbon adsorption saturation, improve adsorption efficiency, improve coating cloud treatment effeciency.

Still further, another idea of the present disclosure is that the paint spray booth further includes an offline desorption device, and the offline desorption device is used for performing desorption treatment on the activated carbon adsorption tank. The activated carbon adsorption case that gets off of change is delivered to off-line desorption device, and the organic solvent after desorption can reach the emission requirement after catalytic combustion, and the activated carbon adsorption case can continue to use after desorption treatment, has saved the cost greatly, improves coating cloud treatment effeciency.

Furthermore, another idea of the present disclosure is that a water curtain device and a water tank are disposed in the paint spray booth body, the water curtain device includes a water curtain plate, the water curtain plate divides the paint spray booth body into two cavities, the cavities are a paint spray booth and a spray booth respectively, a spray mechanism is disposed in the spray booth, a gap exists between the lower end surface of the water curtain plate and the water surface, and the gap is used for gas circulation.

Furthermore, a scroll forming mechanism is arranged below the water curtain plate, the scroll forming mechanism enables the lifted water flow to be located in the spraying chamber, and the lifted water flow is higher than the lower end face of the water curtain plate.

At this internally at the spray booth, at first through the cascade device absorption coating cloud, rivers behind the absorption coating cloud form the scroll through scroll forming mechanism to scroll forming mechanism carries rivers to spraying the mechanism, through preliminary filtration of preprocessing module, improves coating cloud treatment effeciency.

The utility model provides a pair of spray booth, at first gather the coating cloud through the spray booth body, the coating cloud is in proper order through the cascade device, the scroll forms the mechanism and sprays the mechanism and carry out prefilter, gas after the prefilter is carried to two whirl devices, gas flows through one-level spray tower and second grade spray tower in proper order, gas through two whirl devices gets into rotor paint removal room again, gas carries out ultrasonic cleaning in rotor paint removal room, gas through rotor paint removal room gets into exhaust treatment room through aqueous vapor separator, gas carries out the primary effect in proper order in exhaust treatment room and filters, the filter of middle-effect and active carbon, the partial gas after the processing reduces the energy consumption by inner circulation tuber pipe to spray booth body, partial gas is discharged through outer tuber pipe, and the spray booth body still supplements the fresh air through the air makeup tuber pipe, make entire system be in atmospheric pressure balance.

The paint spray booth has the advantages of complete waste gas treatment, high paint mist purification efficiency, energy saving, low operation cost, environmental protection and the like.

Drawings

The present disclosure will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the present disclosure. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

FIG. 1: the present disclosure provides a flow chart for a paint spray booth;

FIG. 2: the structural schematic diagram of a spray booth that this disclosure provided.

1. A paint spray booth body; 2. an exhaust gas treatment chamber; 3. a double cyclone device; 4. a first stage spray tower; 5. a secondary spray tower; 6. a rotor paint removal chamber; 7. an ultrasonic cleaning device; 8. a rotor transmission device; 9. a water-gas separation device; 10. collodion ball; 11. a primary filter; 12. a medium-efficiency filter; 13. an activated carbon adsorption tank; 14. a water curtain device; 15. a scroll forming mechanism; 16. a spraying mechanism; 17. a paint spray booth; 18. a spray chamber; 19. a water tank; 20. a fan; 21. a circulating air inlet; 22. fresh air is imported; 23. an internal circulation air duct; 24. an outer exhaust pipe; 25. and adjusting the air valve.

Detailed Description

The present disclosure is described in detail below with reference to the attached drawings.

In order to make the objects, technical solutions and advantages of the present disclosure more clearly understood, the present disclosure is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the disclosure and are not intended to limit the disclosure.

Example 1

As shown in fig. 1 and fig. 2, the embodiment provides a paint spray booth, which specifically includes a paint spray booth body 1 and a waste gas treatment chamber 2, the paint spray booth body 1 and the waste gas treatment chamber 2 are connected by a pipeline, paint mist pretreatment is performed in the paint spray booth body 1, then gas is conveyed to the waste gas treatment chamber 2 by a pipeline for filtration treatment, the paint spray booth body 1 is provided with a circulating air inlet 21, the circulating air inlet 21 is connected with the waste gas treatment chamber 2 by an internal circulating air pipe 23, part of the gas treated by the waste gas treatment chamber 2 passes through the internal circulating air pipe 23 to the paint spray booth body 1, part of the gas circulated to the paint spray booth body 1 accounts for 70% of the total amount of the waste gas, the waste gas treatment chamber 2 is further connected with an external air pipe 24 for exhausting gas, and the exhausted gas of the external air pipe 24 accounts for about 30% of the total amount of the waste gas.

Wherein, spray booth body 1 still is provided with fresh air import 22, and fresh air import 22 is connected with the bright tuber pipe, and fresh air import 22 is used for supplementing fresh air for entire system's atmospheric pressure is in balance, and exhaust-gas treatment room 2 is connected with fan 20, and this circulation wind import 21 and fresh air import 22 all are provided with the regulation blast gate 25 and are used for controlling the amount of wind, and fan 20 is used for gas transmission, makes entire system's air current along setting up the route removal through setting up fan 20.

Example 2

As shown in attached drawings 1 and 2, the embodiment provides a paint spray booth based on embodiment 1, wherein, still be provided with two whirl devices 3 between paint spray booth body 1 and the exhaust-gas treatment room 2, two whirl devices 3 include one-level spray tower 4 and second grade spray tower 5, one-level spray tower 4 passes through pipeline intercommunication paint spray booth body 1, second grade spray tower 5 passes through pipeline intercommunication exhaust-gas treatment room 2, make the gas in the paint spray booth body 1 after the preliminary treatment, get into two whirl devices 3 through the pipeline, the gas after two whirl treatments gets into exhaust-gas treatment room 2 through the pipeline, greatly improve coating cloud treatment efficiency. Through setting up two spray and filter the coating cloud for coating cloud purifying effect is better, improves coating cloud treatment effeciency, and the one-level sprays and sets up the difference with the spraying direction that the second grade sprayed, makes to spray furthest and contacts the coating cloud.

Further, a rotor paint removal chamber 6 is arranged between the double cyclone device 3 and the waste gas treatment chamber 2, the rotor paint removal chamber 6 is respectively communicated with the secondary spray tower 5 and the waste gas treatment chamber 2 through a pipeline, the rotor paint removal chamber 6 is provided with an ultrasonic cleaning device 7 and a rotor transmission device 8, gas enters the rotor paint removal chamber 6 through the pipeline after passing through the double cyclone device 3, the gas enters the waste gas treatment chamber 2 through a water-gas separation device 9 after being cleaned by ultrasonic, and a latex ball 10 and a paint blocking net are arranged in the water-gas separation device 9; the gas after water-gas separation enters a waste gas treatment chamber 2 to be sequentially subjected to dry filtration and activated carbon filtration, a primary filter 11, a secondary filter 12 and an activated carbon adsorption tank 13 are sequentially arranged in the waste gas treatment chamber 2, part of the gas after passing through the waste gas treatment chamber 2 is circulated to a spray booth body 1, and part of the gas is directly discharged; the activated carbon adsorption box 13 is detached and then transferred to a desorption machine for off-line desorption, and the desorbed organic solvent is subjected to high-temperature pyrolysis under the action of a catalytic combustion furnace.

The paint mist is adsorbed by arranging the activated carbon adsorption box 13, and the activated carbon adsorption box 13 is saturated in adsorption after being used for a long time and can be detached and replaced, so that the adsorption efficiency of the activated carbon is always kept good; the active carbon adsorption case 13 that dismantles shifts to off-line desorption device, carries out desorption treatment to active carbon adsorption case 13 through the desorption machine for active carbon adsorption case 13 can reuse, and the organic solvent after the desorption reaches emission standard after pyrolysis and can directly discharge.

Example 3

As shown in fig. 1 and fig. 2, the present embodiment provides a paint spray booth based on embodiment 1, wherein the present embodiment further provides a paint spray booth based on embodiment 2, the paint spray booth uses the above waste gas treatment process, wherein a water curtain device 14 and a water tank 19 are arranged in a paint spray booth body 1, the water curtain device 14 includes a water curtain plate, the water curtain plate divides the paint spray booth body 1 into two cavities, the cavities are a paint spray booth 17 and a spray booth 18, the paint spray booth 17 primarily treats paint mist through the water curtain device 14, the treated air is further treated through the spray booth 18, a gap exists between a lower end surface of the water curtain plate and a water surface, the gap is used for air circulation, a part of the paint mist generated by the paint spray booth 17 is treated by the water curtain device 14 and absorbed into the water tank 19, a part of the paint mist enters the spray booth 18 from a gap between the lower end surface of the water curtain plate and the water surface along with air, a formation mechanism 15 is arranged below the water curtain plate, the scroll forming mechanism 15 is a J-shaped guide plate, so that water discharged by the water curtain plate enters the spray chamber 18 from the spray chamber 17 after passing through the guide plate, water flow can be raised, the raised water flow is higher than the lower end face of the water curtain plate, the raised water flow is contacted with air flow with paint mist again in the raising process, a part of paint mist can be adsorbed, and the paint mist treatment efficiency is greatly improved. In addition, in the present embodiment, the circulating air inlet 21 is disposed near the water curtain plate, and the fresh air inlet 22 is disposed far from the water curtain plate, so that a user can stand near the fresh air inlet 22, thereby improving the operation safety.

The utility model provides a paint spray booth, at first gather the coating cloud through paint spray booth body 1, the coating cloud carries out prefiltering through cascade device 14, scroll forming mechanism 15 and spray mechanism 16 in proper order, gas after the prefiltering is carried to two whirl device 3, gas flows through one-level spray tower 4 and second grade spray tower 5 in proper order, gas through two whirl device 3 reenters rotor paint removal room 6, the gas carries out ultrasonic cleaning in rotor paint removal room 6, gas through rotor paint removal room 6 gets into exhaust treatment room 2 through water gas separator 9, gas carries out primary filtering, middle-effect filtering and active carbon filtering in exhaust treatment room 2 in proper order, part gas after the processing reduces the energy consumption to paint spray booth body 1 by inner circulation tuber pipe 23, part gas is discharged through outer tuber pipe 24, and the body 1 of the spray booth also supplements fresh air through an air supplementing pipe, so that the whole system is in air pressure balance.

The present disclosure has been described in detail above, and the principles and embodiments of the present disclosure have been explained herein using specific examples, which are provided only to assist understanding of the present disclosure and the core concepts. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present disclosure without departing from the principle of the present disclosure, and such improvements and modifications also fall within the scope of the claims of the present disclosure.

Claims

1. The paint spray booth is characterized by comprising a paint spray booth body and a waste gas treatment chamber, wherein the paint spray booth body is communicated with the waste gas treatment chamber through a pipeline, the paint spray booth body is used for primarily filtering waste gas, and the waste gas treatment chamber is used for further filtering the waste gas;

the paint spraying room comprises a paint spraying room body, a waste gas treatment chamber, an internal circulation air pipe, an external air pipe and a circulating air inlet, wherein the paint spraying room body is provided with the circulating air inlet, the circulating air inlet is connected with the waste gas treatment chamber through the internal circulation air pipe, part of gas treated by the waste gas treatment chamber is conveyed to the paint spraying room body through the internal circulation air pipe, the waste gas treatment chamber is also connected with the external air pipe, and the external air pipe is used for exhausting gas;

the spray booth body still is provided with the fresh air import, the fresh air access connection has the bright tuber pipe, the fresh air import is used for replenishing the fresh air for the spray booth body.

2. The paint spray booth of claim 1, wherein a double cyclone device is disposed between the paint spray booth body and the exhaust treatment chamber, and the double cyclone device is used to filter paint mist.

3. The paint spray booth of claim 2, wherein the dual cyclone device comprises a primary spray tower and a secondary spray tower, the primary spray tower is connected to the paint spray booth body, and the secondary spray tower is connected to the waste gas treatment chamber.

4. The paint spray booth according to claim 3, wherein a rotor paint removal chamber is provided between the double cyclone device and the exhaust gas treatment chamber, the rotor paint removal chamber is used for ultrasonically cleaning the exhaust gas, and the rotor paint removal chamber is provided with an ultrasonic cleaning device and a rotor transmission device.

5. The paint spray booth of claim 4, wherein the exhaust treatment chamber comprises a water-gas separation device connecting the exhaust treatment chamber and the rotor paint removal chamber.

6. The paint spray booth of claim 5, wherein the exhaust treatment chamber further comprises a primary filter, a secondary filter, and an activated carbon adsorption tank, wherein the filters are used for dry filtration of the exhaust, and the activated carbon adsorption tank is used for adsorption of paint mist.

7. The paint spray booth of claim 6, wherein said activated carbon adsorption box is removable and replaceable.

8. The paint spray booth of claim 7, further comprising an offline desorption device, wherein the offline desorption device is used for desorbing the activated carbon adsorption tank.

9. The paint spray booth according to claim 1, wherein a water curtain device and a water tank are arranged in the paint spray booth body, the water curtain device comprises a water curtain plate, the water curtain plate divides the paint spray booth body into two cavities, the cavities are a paint spray booth and a spray booth respectively, a spray mechanism is arranged in the spray booth, and a gap exists between the lower end face of the water curtain plate and the water surface and is used for gas circulation.

10. The paint spray booth of claim 9, wherein a scroll forming mechanism is disposed below the water curtain plate, wherein the scroll forming mechanism enables the uplifted water flow to be located in the spray chamber and to be higher than the lower end surface of the water curtain plate.