CN213762573U - Integral movable paint spray booth system - Google Patents

Abstract

The utility model discloses an integral movable paint spray booth system, which comprises an air supply system, an exhaust treatment system, two parallel walking guide rails pre-embedded in a foundation, and a paint spray booth body movably arranged between the two parallel guide rails, a workpiece supporting beam is transversely arranged between the two parallel walking guide rails, the air supply system is communicated with the top end of the spray booth body through an air supply outlet, the bottom ends of the two sides of the spray booth body are provided with a movable bottom beam, the movable bottom beam is fixed on the walking guide rail through a roller, the front end and the rear end of the moving of the painting room body are provided with an access door frame opening, the top end of the door frame opening is provided with a rolling door, the outside of the painting room body is provided with an underground air exhaust main pipeline, a plurality of air suction ports are arranged on the ground surface above the underground air exhaust main pipeline at intervals, and each branch air exhaust channel is communicated with the air exhaust processing system after being gathered through the underground air exhaust main pipeline. The utility model discloses the coating cloud waste gas that produces during operation in can the spray booth filters, adsorbs, catalytic combustion.

Description

Integral movable paint spray booth system

Technical Field

The utility model relates to a spraying room and spraying exhaust-gas treatment technical field especially relate to a whole portable spray booth system.

Background

The steel structure products need to be subjected to shot blasting and spraying treatment in the production process, a high-pressure airless spraying process is adopted for spraying, as the size of a large-sized steel structure workpiece is larger, the workpiece needs to be subjected to coating operation in a larger range, relatively more organic waste gas is generated during spraying and can be rapidly volatilized to the whole workshop to cause large-area pollution, organic waste gas which generates various toxicities (mainly benzene, toluene, xylene, glycol ether, toluene diisocyanate, heavy metal, phthalate, VOC, formaldehyde and the like) in the spraying process can cause great harm to the body of a spraying operator, the contained benzene and benzene series are not easily dissolved in water under common conditions, the benzene ring is quite stable and not easily subjected to oxidation reaction, the thermal stability is higher, the benzene and the benzene series can be decomposed after being heated to more than 700 ℃, and certain difficulty is caused in the treatment of paint spraying waste gas; the fine viscous paint particles in the exhaust gas are not easy to dilute. Therefore, organic waste gas in the whole spraying workshop needs to be collected, the general collection and treatment are difficult, the collected air volume is extremely large, and the treatment cost can be doubled. At present, the conventional method is to construct a fixed paint spray booth, a movable paint spray booth and a telescopic paint spray booth at a paint spraying station to solve the problem of collecting the waste gas. In these processes, the use of fixed paint spray booths limits the entry and exit of workpieces; the flexible paint spray booth is adopted, so that continuous production cannot be realized; adopt portable spray booth, the collecting pipe need be built in removing the room, follows to remove the room and together remove, can't be connected with fixed waste gas collecting system equipment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an integral movable formula spray booth system, the utility model discloses a spray booth system can form an enclosure space, effectively reduces coating cloud area of influence, can filter, adsorb, catalytic combustion to the coating cloud waste gas that produces when the operation of spraying paint in the spray booth moreover, makes the waste gas emission that sprays paint satisfy the national emission requirement. In order to realize the purpose, the utility model discloses a following technological effect:

according to one aspect of the utility model, an integral movable paint spray booth system is provided, which comprises an air supply system, an exhaust treatment system, two parallel walking guide rails pre-embedded in a foundation, and a paint spray booth body movably arranged between the two parallel guide rails, wherein a workpiece supporting beam is transversely arranged between the two parallel walking guide rails, an air supply opening is arranged at the top of the paint spray booth body, the air supply system is communicated with the top end of the paint spray booth body through the air supply opening, moving bottom beams are arranged at the bottom ends of the two sides of the paint spray booth body in parallel along the extending direction of the walking guide rails, the moving bottom beams are fixed on the walking guide rails through rollers, a walking driving motor is in transmission connection with the rollers, an access door frame opening with the same width as that between the two walking guide rails is arranged at the front end and the back end of the paint spray booth body, a rolling door is arranged at the top end of the access door frame opening, the ground between two parallel walking guide rails is internally provided with a plurality of parallel branch air draft channels, the outside of the spray painting room body is provided with an underground air exhaust main pipeline, a plurality of air suction ports are arranged on the ground surface above the underground air exhaust main pipeline at intervals, the air suction ports are communicated with the underground air exhaust main pipeline, and each branch air draft channel is communicated with the air exhaust treatment system after being collected by the underground air exhaust main pipeline.

According to the scheme, the LED illuminating lamps are preferably arranged on the side walls of the two sides of the spray booth body respectively.

Above-mentioned scheme is further preferred, is following the entry direction of supply-air outlet is being set gradually and is being imitated air cleaner and just being imitated the filter pulp, and this just imitates the filter pulp and be G3 glass fiber cotton.

In a further preferred embodiment of the above aspect, a galvanized grid net is disposed on the air suction port.

Above-mentioned scheme is further preferred, is provided with the emergency exit in the rear end both sides of the room body of spraying paint.

In a further preferred embodiment of the above-mentioned solution, the exhaust treatment system includes a waste gas input pipe, a dry filter, a main air intake duct, a main exhaust duct, a preheating chamber, a catalytic combustion chamber, a mixed flow heat exchange chamber, an adsorption fan, and a purification exhaust duct, the purification exhaust duct is vertically disposed at an opposite side of the dry filter, and the purification exhaust duct is disposed at the same side as the preheating chamber, the catalytic combustion chamber, the mixed flow heat exchange chamber, and the adsorption fan;

the underground exhaust main pipeline is communicated with the inlet end of the dry filter through a waste gas input pipe, the outlet end of the dry filter is communicated with the inlet end of the main air inlet duct, the outlet end of the main air inlet duct is in a closed state, the main exhaust duct is arranged right below the main air inlet duct, a plurality of air suction boxes are arranged between the bottom wall of the main exhaust duct and the upper wall of the main exhaust duct in a parallel communication mode at intervals, one end of the main exhaust duct, close to one side of the dry filter, is in a closed state, the other end of the main exhaust duct is communicated with the inlet end of a purification and emission channel, and the inlet end of the purification and emission channel is provided with the adsorption fan;

be provided with the exhaust gas pipeline of mutual intercommunication between the input of preheating chamber and the top lateral wall of every suction box, the output of preheating chamber with catalytic combustion chamber input intercommunication, this catalytic combustion chamber's output with the first input intercommunication of mixed flow heat transfer chamber is provided with the benefit air-cooler near keeping away from the mixed flow heat transfer chamber of catalytic combustion chamber one side, the air outlet of this benefit air-cooler pass through cold wind conveyer pipe with the second input intercommunication of mixed flow heat transfer chamber, the output of mixed flow heat transfer chamber pass through the mixed flow discharge passage with purify the entry end intercommunication of discharge passage be provided with the circulation pipeline of mutual intercommunication between the third input port of mixed flow heat transfer chamber and the lower extreme lateral wall of every suction box.

Above-mentioned scheme is further preferred be provided with the desorption fan on the waste gas pipeline.

The dry filter comprises a filter shell, dry filter cotton and filter screens, a waste gas inlet and a filter outlet are respectively arranged at the left end and the right end of the filter shell, and a plurality of layers of the dry filter cotton and the multi-layer dry filter screens are sequentially arranged from the waste gas inlet to the filter outlet of the filter shell.

The above scheme is further preferred, the filter screen sets up the multilayer and is the zigzag connection along vertical direction and fixes in filtering the casing, sets up the layer at least and is the dry filter pulp that sets up that vertical state placed in filtering the casing, and every layer is the dry filter pulp that vertical state placed and fixes in the casing that strains along transverse arrangement stack.

Preferably, the filter screen is a drawer-type honeycomb activated carbon filter screen.

To sum up, the utility model adopts the above technical scheme, the utility model discloses an following technological effect has:

(1) the paint spraying room body of the utility model can form a closed space, effectively reduce the paint mist influence area, protect the environment, and the space movement is portable and flexible, and the workshop area is efficiently utilized; the paint mist air source in the paint spraying room body can timely recover and discharge paint mist waste gas to form a proper artificial environment, the requirements of coating operation on the temperature, humidity, illumination and cleanliness of the environment are met, a good operation environment can be formed, and the health and safety of operation personnel are ensured;

(2) the utility model discloses a processing system airs exhaust can filter, adsorb, catalytic combustion to the coating cloud waste gas that produces when the operation of spraying paint in the spray booth, makes the exhaust emission that sprays paint satisfy country, local environmental protection emission standard, and the treatment effeciency is high moreover, and no secondary pollution, area is little, and equipment weight is light, and power consumption is little, and economic energy-conservation, adsorbent, filtering agent change convenience, the maintenance cost is low.

Drawings

Fig. 1 is a system schematic diagram of an integrated mobile paint spray booth system of the present invention;

FIG. 2 is a schematic perspective view of the painting room of the present invention;

FIG. 3 is a schematic view of the internal structure of the painting booth body according to the present invention;

FIG. 4 is a schematic view of the exhaust treatment system of the present invention;

fig. 5 is a schematic front view of the exhaust treatment system of the present invention;

fig. 6 is a schematic top view of the exhaust treatment system of the present invention;

FIG. 7 is a schematic front view of a dry filter according to the present invention;

FIG. 8 is a schematic top view of a dry filter according to the present invention;

in the drawing, an air supply system 1, an exhaust treatment system 2, a traveling guide rail 3, a spray booth body 4, a workpiece support beam 5, a branch air draft channel 20, an underground main exhaust duct 21, an air suction port 22, an air supply port 40, a movable bottom beam 41, rollers 42, a traveling drive motor 43, an entrance and exit door frame port 44, a roller door 45, an LED illuminating lamp 46, an exhaust gas input pipe 200, a dry filter 201, a main air intake duct 202, a main exhaust duct 203, an air suction box 204, an exhaust gas duct 204a, a circulating gas duct 204b, a preheating chamber 205, a catalytic combustion chamber 206, a desorption fan 206a, a mixed flow heat exchange chamber 207, a mixed flow discharge channel 207a, an adsorption fan 208, a purification discharge channel 209, an air supplement fan 210, a filter housing 2010, dry filter cotton 2011, and a filter screen 2012.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and by referring to preferred embodiments. It should be understood, however, that the numerous specific details set forth in the specification are merely set forth to provide a thorough understanding of one or more aspects of the present invention, which may be practiced without these specific details.

Referring to fig. 1, 2 and 3, an integrally movable paint spray booth system according to the present invention comprises an air supply system 1, an air exhaust processing system 2, two parallel traveling guide rails 3 pre-embedded in a foundation, a paint spray booth body 4 movably disposed between the two parallel guide rails, a workpiece support beam 5 transversely disposed between the two parallel traveling guide rails 3, an air supply opening 40 disposed at the top of the paint spray booth body 4, the air supply system 1 communicating with the top of the paint spray booth body 3 through the air supply opening 40, moving bottom beams 41 disposed at the bottom of the two sides of the paint spray booth body 4 and in parallel with the extending direction of the traveling guide rails 3, the moving bottom beams 41 fixed to the traveling guide rails 3 through rollers 42, traveling driving motors 43 connected to the rollers 42 in a driving manner, entrance and exit door frames 44 having the same width as that between the two traveling guide rails 3 are disposed at the front and rear ends of the movement of the paint spray booth body 4, a rolling door 45 is arranged at the top end of the entrance and exit door frame opening 44, a plurality of parallel branch air draft channels 20 are arranged in a foundation between two parallel walking guide rails 3, an underground air exhaust main pipeline 21 is arranged outside the painting room body 4, a plurality of air suction ports 22 are arranged on the ground surface above the underground air exhaust main pipeline 21 at intervals, the air suction ports 22 are communicated with the underground air exhaust main pipeline 21, each branch air draft channel 30 is communicated with the air exhaust treatment system 2 after being gathered by the underground air exhaust main pipeline 21, and LED illuminating lamps 46 are respectively arranged on the side walls of two sides of the painting room body 4; the air supply opening 40 is provided with a primary air filter and primary filter cotton in sequence along the inlet direction, and the primary filter cotton is G3 glass fiber cotton. In the utility model, the size (length, width, height) of the painting room body 4 is 17000 x 11500 x 5855mm, and the painting room body 4 is composed of a steel structure framework, a side wall plate and a rolling door, and the painting room body 4 can integrally move on the walking guide rail 3 through the driving motor 43; safety doors 47 are arranged on two sides of the rear end of the spray booth body 4, the specification of the safety pedestrian door 47 is 1800 multiplied by 800mm (height multiplied by width), and when power failure or failure occurs in the spray booth, operators can evacuate through the safety doors 47; a galvanized grid net is laid on the air suction port 22. An explosion-proof illuminating lamp is arranged on the side wall of the spray booth body 4 to ensure the illumination during spraying; an underground branch air draft channel 20 and an underground air exhaust main pipeline 21 are dug up and down on the foundation of the workshop and communicated with an external air exhaust processing system 2 of the workshop, and the air exhaust processing system 2 adopts the lower side surface of the chamber body to draft air; the air supply outlet 40 is used for supplying natural air through a negative pressure air feeder, the natural air supplied from the outside is filtered by a primary air filter and primary filter cotton, and then enters the paint spraying room body 4 under the negative pressure action of the negative pressure fan, the air flows downwards to the bottom end of the paint spraying room body 4 at the speed of about 0.15-0.20 m/s, paint mist sprayed enters the lower exhaust main pipeline 21 under the negative pressure action and the adsorption action of the exhaust treatment system 2, an exhaust fan controlled by a frequency converter is arranged on the lower exhaust main pipeline 21, the exhaust fan is a general fan, is high-temperature resistant and low-rotation speed, has no secondary pollution, is a power source for air flow operation of the whole device, can adjust the frequency of the exhaust fan according to the change of the waste air volume in a workshop, saves energy, reduces consumption, and ensures that the air speed and the air pressure in the; a walking driving motor 43 (a 2.2KW motor is configured with a WPDA-70 speed reducer as power drive) is arranged at the bottom corner of the painting room body 4, so that the painting room body 4 moves back and forth on the walking guide rail 3. The walking driving motor 43 adopts a PLC controller, a touch screen and a frequency converter to automatically control the control state of the walking driving motor 43, so that the painting room body 4 moves on the walking guide rail 3. When the workpiece needs to be painted, a worker firstly places the workpiece to be painted on the workpiece support beam 5, then moves the paint spraying room body 4, the roller shutter door 45 is folded when the paint spraying room body 4 moves, and the roller shutter doors arranged in front and at the back are put down to form a closed space after the paint spraying room body 4 moves in place, so that the workpiece is covered by the paint spraying room body 4; after the air supply system 1 and the exhaust treatment system 2 are started, the workpiece can be painted in the painting room body 4, and after the painting operation is finished, the painting room can be removed, the workpiece is waited to be dried and removed from the workpiece support beam 5.

As shown in fig. 1, 4, 5 and 6, the exhaust treatment system 2 includes an exhaust gas inlet pipe 200, a dry filter 201, a main air inlet duct 202, a main exhaust duct 203, a preheating chamber 205, a catalytic combustion chamber 206, a mixed flow heat exchange chamber 207, an adsorption fan 208 and a purification exhaust passage 209, the purification exhaust passage 209 is vertically disposed on the opposite side of the dry filter 201, and the purification exhaust passage 209 is disposed on the same side as the preheating chamber 205, the catalytic combustion chamber 206, the mixed flow heat exchange chamber 207 and the adsorption fan 208; the underground main exhaust air duct 21 is communicated with the inlet end of the dry filter 201 through the waste gas input pipe 200, the outlet end of the dry filter 201 is communicated with the inlet end of the main air inlet duct 202, the outlet end of the main air inlet duct 202 is in a closed state, the main exhaust air duct 203 is arranged under the main air inlet duct 202, a plurality of suction boxes 204 are arranged between the bottom wall of the main exhaust air duct 202 and the upper wall of the main exhaust air duct 203 in a parallel communication mode at intervals, one end of the main exhaust air duct 203, close to one side of the dry filter 201, is in a closed state, the other end of the main exhaust air duct 203 is communicated with the inlet end of a purification and discharge channel 209, the adsorption fan 208 is arranged at the inlet end of the purification and discharge channel 209, and the motor protection level IP55 and the temperature resistance of the adsorption fan 208 are 150 ℃. The purification and discharge channel 209 is a chimney discharge channel, a waste gas pipeline 204a which is communicated with each other is arranged between the input end of the preheating chamber 205 and the top side wall of each air suction box 204, a desorption fan 206a is arranged on the waste gas pipeline 204a and close to one side of the purification and discharge channel 209, the output end of the preheating chamber 205 is communicated with the input end of the catalytic combustion chamber 206, the output end of the catalytic combustion chamber 206 is communicated with the first input end of the mixed flow heat exchange chamber 207, an air supplement fan 210 is arranged near the mixed flow heat exchange chamber 207 far away from one side of the catalytic combustion chamber 206, the air outlet of the air supplement fan 210 is communicated with the second input end of the mixed flow heat exchange chamber 207 through a cold air conveying pipe, the structure of the mixed flow heat exchange chamber 207 is made of cold rolled steel plates, the output end of the mixed flow heat exchange chamber 207 is communicated with the inlet end of the purification and discharge channel 209 through the mixed flow discharge channel 207a, and a circulating gas pipeline 204b which is communicated with each other is arranged between the third input port of the mixed flow heat exchange chamber 207 and the side wall of the lower end of each suction box 204. The waste gas (paint mist smoke and particles) from the waste gas source sucked out from the paint spray booth is filtered by the dry filter 201, then enters the air suction box 204 through the main air inlet duct 202 for re-adsorption, most of the smoke after adsorption and purification is sent into the purification and discharge channel 209 through the main air exhaust duct 203, and the purified and adsorbed clean air is discharged into the atmosphere; a small part of exhaust gas sources (flue gas and particles) which cannot pass through the suction box 204 enter the preheating chamber 205 through the exhaust gas pipeline 204a to be heated under the adsorption action of the desorption fan 206a, before the exhaust gas sources enter the catalytic combustion chamber 206, a temperature detector can be adopted to detect whether the temperature reaches the condition of catalytic reaction, if the temperature does not reach the reaction condition, an electric heating system arranged in the preheating chamber 205 is used for heating, and the temperature of the preheating chamber 205 is lifted for the second time; an electric heating element of the electric heating system is an infrared heating pipe, the electric heating element reaches a preheating temperature and then is sent into the catalytic combustion chamber 206 for high-temperature catalytic combustion and decomposition, high-temperature gas discharged by the catalytic combustion of the catalytic combustion chamber 206 is sent into the mixed flow heat exchange chamber 207 for mixed flow cooling, at the moment, heat energy generated by decomposition of organic gas in the waste gas source is mixed with cold air for cooling, a part of the mixed gas is discharged from the circulating gas pipeline 204b through the gas and then is sent into the purification discharge channel 209 through the mixed flow discharge channel 207a, then is discharged into the atmosphere, the other part of the mixed gas is discharged from the mixed flow heat exchange chamber 207 and is sent into the suction box 204 through the circulating gas pipeline 204b again, so that the mixed gas and the waste gas source are mixed in the suction box 204 again, and therefore, the heat energy generated by decomposition of the organic gas in the waste gas source is in comprehensive contact with the cold and heat exchange of the cold gas source, the temperature of the exhaust gas source is increased. When the concentration of the exhaust gas reaches a certain value, the temperature of the exhaust gas source in the air suction box 204 can be raised for the first time through the effect of heat exchange, at the moment, the mixed flow exhaust gas source discharged from the air suction box 204 enters the preheating chamber 205 through the exhaust gas pipeline 204a to be reheated, before the exhaust gas source enters the catalytic combustion chamber 206, the exhaust gas source is heated by the preheating chamber 205 to raise the temperature of the preheating chamber 205 for the second time, which is one of the main points of energy-saving treatment in the system, and the efficiency in the preheating chamber 205 can reach more than 60% through heat exchange and reasonable control of the air flow inside the air suction box 204.

As shown in fig. 7 and 8, the dry filter 201 includes a filter housing 2010, a dry filter cotton 2011 and a filter net 2012, a waste gas inlet and a filtering outlet are respectively arranged at the left end and the right end of the filtering shell 2010, a plurality of layers of the dry filtering cotton 2011 and a plurality of layers of the dry filtering nets 2012 are sequentially arranged along the waste gas inlet to the filtering outlet of the filtering shell 2010, the filter screens 2012 are arranged in multiple layers along the vertical direction and are fixed in the filter housing 2010 in a zigzag connection, at least 3 layers of drying filter cotton 2011 which is vertically arranged are arranged in the filter shell 2010, and each layer of the vertically arranged dry filter cotton 2011 is transversely arranged, superposed and fixed in the filtered shell 2010, the narrow surface of each dry filter cotton 2011 is vertically arranged (namely arranged along the inlet and outlet directions of the waste gas from the waste gas inlet to the outlet of the filtered shell 2010), the wide surface of the dry filter cotton 2011 is arranged, stacked, closely contacted and fixed on the filter shell 2010 along the transverse direction. The dry filter cotton 2011 and the filter screen 2012 in the dry filter 201 intercept paint mist particles in a dry manner: each station ground of workshop sets up induction port 22, branch air extraction channel 20 and the trunk line 21 of airing exhaust of intercommunication each other, pave the coating cloud granule that zinc-plated grille net contains in to the air on the induction port 22 and filter, and waste gas filters the multilayer dry filtration cotton 2011 that gets into in the dry filter 201 filter casing 2010 and set up, adopts the better dry filtration cotton 2011 of gas permeability to filter the interception back, passes through drawer type honeycomb active carbon filter screen absorption waste gas again, filter screen 2012 has high adsorption efficiency etc. uses under the very big amount of wind, possess good adsorption efficiency, and its structure is porous honeycomb, has that pore structure is flourishing, and specific surface is big, advantages such as fluid resistance is little. The filter screen adopts drawer type structure, and it is convenient to load, is convenient for change. The utility model discloses an induced draft case 204 is with the high concentration organic waste gas that hot air adsorbs the saturation with honeycomb carbon and introduce catalytic combustion chamber 206 in, organic waste gas separates the organic matter from the honeycomb activated carbon layer of filter screen 2012 the back, decomposes into water and carbon dioxide through the catalyst effect in the catalytic combustion chamber 206, releases energy simultaneously, is replaced the energy by mixed flow heat transfer chamber 207, can be used to the energy of the spontaneous combustion of maintenance equipment; when the temperature of the catalytic combustion bed in the catalytic combustion chamber 206 reaches 200-350 ℃, the catalytic combustion bed starts to react, hot air generated by combustion of waste gas is recycled, preheating heating time can be reduced, desorption time is reduced, a catalyst adopted by a catalytic bed filled in the catalytic combustion chamber 206 takes a cordierite honeycomb ceramic framework as a carrier, precious metal Pt and the like as main active components, and the catalytic combustion chamber has high activity, high purification efficiency, high temperature resistance and long service life, wherein the service life is more than 10000 hours.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides an integral moving formula spray booth system which characterized in that: comprises an air supply system, an exhaust treatment system, two parallel walking guide rails pre-embedded in a foundation, and a paint spraying room body movably arranged between the two parallel guide rails, wherein a workpiece supporting beam is transversely arranged between the two parallel walking guide rails, an air supply opening is arranged at the top of the paint spraying room body, the air supply system is communicated with the top end of the paint spraying room body through the air supply opening, moving bottom beams are arranged at the bottom ends of the two sides of the paint spraying room body in parallel along the extending direction of the walking guide rails, the moving bottom beams are fixed on the walking guide rails through rollers, walking driving motors are connected on the rollers in a transmission manner, an access door frame opening with the same width as that between the two walking guide rails is arranged at the front end and the rear end of the movement of the paint spraying room body, a rolling door is arranged at the top end of the access door frame opening, and a plurality of parallel branch air draft channels are arranged in the foundation between the two parallel walking guide rails, the underground air exhaust main pipeline is arranged outside the paint spraying room body, a plurality of air suction ports are arranged on the ground surface above the underground air exhaust main pipeline at intervals, the air suction ports are communicated with the underground air exhaust main pipeline, and each branch air suction channel is communicated with the air exhaust treatment system after being gathered through the underground air exhaust main pipeline.

2. The system of claim 1, wherein: and the side walls of the two sides of the spray booth body are respectively provided with an LED illuminating lamp.

3. The system of claim 1, wherein: the edge the entry direction of supply-air outlet has set gradually just imitated air cleaner and just imitated the filter pulp, and this just imitates the filter pulp and be G3 glass fiber cotton.

4. The system of claim 1, wherein: a galvanized grid net is arranged on the air suction port.

5. The system of claim 1, wherein: safety doors are arranged on two sides of the rear end of the spray booth body.

6. The system of claim 1, wherein: the exhaust treatment system comprises a waste gas input pipe, a dry filter, a main air inlet duct, a main exhaust duct, a preheating chamber, a catalytic combustion chamber, a mixed flow heat exchange chamber, an adsorption fan and a purification and discharge channel, wherein the purification and discharge channel is vertically arranged on one side opposite to the dry filter, and the purification and discharge channel, the preheating chamber, the catalytic combustion chamber, the mixed flow heat exchange chamber and the adsorption fan are arranged on the same side;

the underground exhaust main pipeline is communicated with the inlet end of the dry filter through a waste gas input pipe, the outlet end of the dry filter is communicated with the inlet end of the main air inlet duct, the outlet end of the main air inlet duct is in a closed state, the main exhaust duct is arranged right below the main air inlet duct, a plurality of air suction boxes are arranged between the bottom wall of the main exhaust duct and the upper wall of the main exhaust duct in a parallel communication mode at intervals, one end of the main exhaust duct, close to one side of the dry filter, is in a closed state, the other end of the main exhaust duct is communicated with the inlet end of a purification and emission channel, and the inlet end of the purification and emission channel is provided with the adsorption fan;

be provided with the exhaust gas pipeline of mutual intercommunication between the input of preheating chamber and the top lateral wall of every suction box, the output of preheating chamber with catalytic combustion chamber input intercommunication, this catalytic combustion chamber's output with the first input intercommunication of mixed flow heat transfer chamber is provided with the benefit air-cooler near keeping away from the mixed flow heat transfer chamber of catalytic combustion chamber one side, the air outlet of this benefit air-cooler pass through cold wind conveyer pipe with the second input intercommunication of mixed flow heat transfer chamber, the output of mixed flow heat transfer chamber pass through the mixed flow discharge passage with purify the entry end intercommunication of discharge passage be provided with the circulation pipeline of mutual intercommunication between the third input port of mixed flow heat transfer chamber and the lower extreme lateral wall of every suction box.

7. The system of claim 6, wherein: and a desorption fan is arranged on the waste gas pipeline.

8. The system of claim 6, wherein: the dry filter comprises a filter shell, dry filter cotton and filter screens, a waste gas input port and a filter output port are respectively arranged at the left end and the right end of the filter shell, and a plurality of layers of the dry filter cotton and the multi-layer dry filter screens are sequentially arranged from the waste gas input port to the filter output port of the filter shell.

9. The system of claim 8, wherein: the filter screen sets up the multilayer and is the cockscomb structure connection along vertical direction and fixes in filtering the casing, sets up the layer at least and is the dry filter pulp that sets up that vertical state placed in filtering the casing, and every layer is the dry filter pulp that vertical state placed and fixes in the casing that strains along the transverse arrangement stack.

10. The system of claim 9, wherein: the filter screen adopts a drawer type honeycomb activated carbon filter screen.

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