CN210631873U

CN210631873U - Paint waste gas treatment device for door industry manufacturing

Info

Publication number: CN210631873U
Application number: CN201921359441.5U
Authority: CN
Inventors: 王汉超
Original assignee: Henan Shilong Tongchuang Door Industry Co Ltd
Current assignee: Henan Shilong Tongchuang Door Industry Co Ltd
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-05-29
Anticipated expiration: 2029-08-21

Abstract

The utility model discloses a paint waste gas treatment device for door manufacturing, which comprises a dust removal box, a filter box, a drying box, a plasma purifier and a water tank, wherein the lower part of the right end of the water tank is connected with a water outlet pipe, the left end of the water outlet pipe is connected with a first water dividing pipe, a second water dividing pipe and a third water dividing pipe, the lower end of the dust removal box is connected with a recovery box through a liquid outlet pipe, the lower end of the recovery box is connected with the upper part of the left end of the water tank through a return pipe, the lower part and the upper end of the left end of the dust removal box are respectively connected with an air inlet pipe and an air outlet pipe A, the right end of an exhaust pipe A connected with the right end of the air outlet pipe A is connected with the lower part of the left end of the filter box, the upper end of the filter box is connected with an air outlet pipe B, the right end of the plasma purifier is connected with an exhaust pipe D; the utility model has the advantages of low consumption, good treatment effect and high efficiency.

Description

Paint waste gas treatment device for door industry manufacturing

Technical Field

The utility model relates to a waste gas treatment technical field especially relates to a paint exhaust treatment device for door industry is made.

Background

In the manufacturing process of the door industry, paint spraying to a door body is an important processing procedure, paint mist and organic waste gas pollution are generated in the paint spraying process, the paint is atomized into particles under the action of high pressure, when the paint is sprayed, part of the paint does not reach the surface of the door body and disperses with air flow to form the paint mist, an organic solvent added in the paint for diluting the paint is volatile, the organic solvent gradually volatilizes in the paint spraying process to form organic waste gas, organic solvents of benzene, toluene and xylene in the paint mist belong to strong toxic solvents, viscous particles are also carried in benzene, toluene and xylene waste gas, the organic solvents are dispersed into workshop air during operation, the body health of a paint spraying worker is harmed, the gas which does not treat the paint waste gas or does not reach the standard is directly discharged into the external environment to seriously pollute the environment, an enterprise needs to treat the paint waste gas by using waste gas treatment equipment, and the paint waste gas can be discharged after reaching, the existing waste gas treatment equipment has high consumption, low resource utilization rate, incomplete treatment and low treatment efficiency, can not reach the emission standard, and can not meet the processing requirements, so that a paint waste gas treatment device for door industry manufacturing, which has low consumption, high resource utilization rate, complete treatment, good treatment effect and high efficiency, and can meet the processing requirements, is urgently needed to be designed.

Disclosure of Invention

The utility model aims at overcoming the not enough of prior art, and provide one kind consume low, resource utilization is high, handle thoroughly, the treatment effect is efficient, can satisfy the processing requirement be used for the paint exhaust treatment device that the door was made.

The purpose of the utility model is realized like this: the utility model provides a paint exhaust treatment device for door industry is made, it includes dust removal case, rose box, drying cabinet, plasma purifier and water tank, the equal fixed mounting in lower extreme left and right sides of dust removal case, rose box, drying cabinet and plasma purifier have the landing leg, water tank upper end be connected with the water injection pipe, water tank right-hand member sub-unit connection have a outlet pipe, the outlet pipe on install the suction pump, the left end of outlet pipe by lower supreme first minute water pipe, second minute water pipe and the third minute water pipe of having connected gradually, first minute water pipe, second minute water pipe and third minute water pipe all insert the dust removal incasement portion, the lower extreme of first minute water pipe, second minute water pipe and third minute water pipe install first shower nozzle, second shower nozzle and third shower nozzle respectively, dust removal case lower extreme middle part be connected with the drain pipe, the drain pipe on install valve A, the lower end of the liquid outlet pipe is connected with a recycling tank, a first filter screen and a second filter screen are sequentially connected in the recycling tank from top to bottom, the middle part of the lower end of the recycling tank is connected with a return pipe, a circulating water pump is installed on the return pipe, the other end of the return pipe is connected with the upper part of the left end of the water tank, the lower part of the left end of the dust removing tank is connected with an air inlet pipe, the middle part of the upper end of the dust removing tank is connected with an air outlet pipe A, the right end of the air outlet pipe A is connected with an inlet of a draught fan A, an outlet of the draught fan A is connected with an exhaust pipe A, the other end of the exhaust pipe A is connected with the lower part of the left end of a filter tank, a filter screen A, a filter screen B and a filter screen C are sequentially connected in, draught fan B's exit linkage have blast pipe B, blast pipe B's the other end link to each other with drying cabinet left end lower part, the drying cabinet be transparent box, the drying cabinet in placed allochroic silica gel, drying cabinet upper end left side be connected with annotate the material pipe, drying cabinet lower extreme middle part be connected with the discharging pipe, the discharging pipe on install valve B, drying cabinet upper end middle part be connected with outlet duct C, outlet duct C right-hand member link to each other with draught fan C's entry, draught fan C's exit linkage have blast pipe C, blast pipe C's the other end and plasma purifier left end middle part link to each other, plasma purifier right-hand member middle part be connected with blast pipe D.

The number of the first spray head, the second spray head and the third spray head is increased in sequence.

The first filter screen and the second filter screen are both activated carbon filter screens.

The diameter of the filter hole of the first filter screen is larger than that of the filter hole of the second filter screen.

And the filter screen A, the filter screen B and the filter screen C are all active carbon filter screens.

The diameters of the filter holes of the filter screen A, the filter screen B and the filter screen C are reduced in sequence.

The filter screen A and the filter screen C are arranged in a left-high-right inclined mode, and the filter screen B is arranged in a left-low-right inclined mode.

The upper ends of the material injection pipe and the water injection pipe are detachably connected with sealing plugs.

And sealing strips are arranged at the joints of the first water dividing pipe, the second water dividing pipe and the third water dividing pipe with the dust removal box.

The utility model discloses the beneficial effect who produces: the utility model discloses a paint waste gas treatment device for door industry manufacturing, the exhaust duct of the paint spray room is connected with the air inlet pipe at the lower part of the left end of a dust removal box, the paint waste gas enters the lower part of the dust removal box through the air inlet pipe, a water suction pump and a circulating water pump are opened, the water in a water tank enters a first water dividing pipe, a second water dividing pipe and a third water dividing pipe through a water outlet pipe, a first spray head, a second spray head and a third spray head which are arranged at the lower ends of the first water dividing pipe, the second water dividing pipe and the third water dividing pipe respectively spray water to the lower part, the middle part and the upper part of the dust removal box, in the upward movement process of the paint waste gas, the first spray head firstly sprays the paint waste gas to enable the paint waste gas to be adsorbed by the water and move along with the water to the direction of a liquid outlet pipe at the lower end of the dust removal box, the water flow can also carry dust and sticky particles in, the quantity of the first spray head, the second spray head and the third spray head is increased in sequence, the paint waste gas in the dust removal box is subjected to dust removal treatment step by water flow in the upward movement process, the dust content in the paint waste gas at the lower part of the dust removal box is large, the quantity of the first spray head is small, the water flow is large, the dust removal effect is improved, the dust content in the paint waste gas at the middle part and the upper part of the dust removal box is reduced in sequence, the quantity of the second spray head and the third spray head are increased in sequence, the water flow is reduced in sequence, corresponding water flow is used for spraying according to the dust content, the grading dust removal is realized, the dust removal effect is good, the efficiency is high, the liquid after dust removal flows into the recovery box through the liquid outlet pipe, the first filter screen and the second filter screen in the recovery box filter the liquid, the first filter screen and the second filter screen are both activated carbon filter screens, the liquid can be filtered, peculiar smell can be adsorbed and removed, the water after being filtered by the first filter screen and the second filter screen flows back to the water tank through the return pipe under the action of the circulating water pump, so that water resources are recycled, the resource utilization rate is high, and the treatment cost is reduced; the gas after dust removal treatment enters the lower part of the filter box through the air outlet pipe A and the exhaust pipe A under the action of the draught fan A, the filter screen B and the filter screen C in the filter box filter the gas, the filter screen A, the filter screen B and the filter screen C are all active carbon filter screens, the gas is filtered, adsorbed and peculiar smell is removed, the diameters of filter holes of the filter screen A, the filter screen B and the filter screen C are sequentially reduced, classified filtration is carried out, the filtering effect is improved, the filter screen A and the filter screen C are both arranged in a left-high-right inclined mode, the filter screen B is arranged in a left-low-right high inclined mode and arranged in a staggered inclined mode, the contact area between the gas and the; the gas after filtration treatment enters the lower part of the drying oven through an air outlet pipe B and an exhaust pipe B under the action of an induced draft fan B, allochroic silica gel is placed in the drying oven, the allochroic silica gel absorbs moisture in the gas, the drying capacity of the allochroic silica gel is judged according to the color of the allochroic silica gel, the drying capacity of the allochroic silica gel is strongest when the allochroic silica gel is blue, the allochroic silica gel basically has no drying capacity when the allochroic silica gel is pink, the allochroic silica gel without drying capacity is discharged from a discharge pipe at the moment, blue allochroic silica gel is added from an injection pipe to dry the gas, and the pink allochroic silica gel can become blue after being dried; the dried gas enters a plasma purifier through an air outlet pipe C and an exhaust pipe C under the action of a draught fan C, and in the process of generating plasma by the plasma purifier, the chemical energy of waste gas molecules is opened by instant high energy generated by high-frequency discharge and high-frequency discharge, so that molecular bonds of the waste gas are fully broken and decomposed into harmless gas; the purified harmless gas is discharged into the atmospheric environment through an exhaust pipe D to reach the discharge standard; the upper end of the water injection pipe is detachably connected with the sealing plug, so that the charging is convenient, the sealing performance is good when the charging is not performed, and the air leakage phenomenon is prevented; sealing strips are arranged at the joints of the first water dividing pipe, the second water dividing pipe and the third water dividing pipe and the dust removal box, so that the sealing performance is good, and the environment is prevented from being polluted by air leakage; generally, the utility model has the advantages of consume low, resource utilization is high, the processing is thorough, the treatment effect is efficient, can satisfy the processing requirement.

Drawings

Fig. 1 is a schematic structural diagram of a paint waste gas treatment device for door industry manufacturing according to the present invention.

In the figure: 1. a second filter screen 2, a first filter screen 3, a recovery box 4, a liquid outlet pipe 5, a dust removal box 6, an air inlet pipe 7, a first spray nozzle 8, a first water dividing pipe 9, a second spray nozzle 10, a second water dividing pipe 11, a third water dividing pipe 12, a third spray nozzle 13, an air outlet pipe A14, an induced draft fan A15, an exhaust pipe A16, a filter box 17, a filter screen C18, a filter screen B19 and an air outlet pipe B20, the device comprises an induced draft fan B21, an exhaust pipe B22, a material injection pipe 23, a drying box 24, an exhaust pipe C25, an induced draft fan C26, an exhaust pipe C27, a plasma purifier 28, an exhaust pipe D29, supporting legs 30, a discharge pipe 31, a valve B32, a filter screen A33, a water suction pump 34, a water tank 35, a circulating water pump 36, a return pipe 37, a water injection pipe 38, a water outlet pipe 39 and a valve A.

Detailed Description

Example 1

As shown in figure 1, a paint exhaust treatment device for door industry is made, it includes dust removal case 5, rose box 16, drying cabinet 23, plasma purifier 27 and water tank 34, dust removal case 5, rose box 16, drying cabinet 23 and plasma purifier 27's the equal fixed mounting in both sides has landing leg 29 about the lower extreme, water tank 34 upper end be connected with water injection pipe 37, water tank 34 right-hand member sub-unit connection have outlet pipe 38, outlet pipe 38 on install suction pump 33, outlet pipe 38 the left end by supreme first minute water pipe 8, second minute water pipe 10 and the third minute water pipe 11 of being connected with in proper order down, first minute water pipe 8, second minute water pipe 10 and the third minute water pipe 11 all insert inside dust removal case 5, the lower extreme of first minute water pipe 8, second minute water pipe 10 and third minute water pipe 11 install first shower nozzle 7 respectively, Second shower nozzle 9 and

third shower nozzle

12, 5 lower extreme middle parts of dust removal case be connected with drain pipe 4, drain pipe 4 on install valve A39, 4 lower extremes of drain pipe be connected with collection box 3, collection box 3 in from top to bottom connect gradually first filter screen 2 and second filter screen 1, 3 lower extreme middle parts of collection box be connected with back flow 36, back flow 36 on install circulating water pump 35, back flow 36 the other end and water tank 34 left end upper portion link to each other, 5 left end sub-unit connection of dust removal case have intake pipe 6, 5 upper end middle parts of dust removal case be connected with outlet duct A13, outlet duct A13 right-hand member link to each other with draught fan A14's entry, draught fan A14's exit linkage have blast pipe A15, blast pipe A15's the other end link to each other with rose box 16 left end lower part, rose box 16 in by supreme filter screen A32, second filter screen A, A filter screen B18 and a filter screen C17, the middle part of the upper end of the filter box 16 is connected with an air outlet pipe B19, the right end of the air outlet pipe B19 is connected with the inlet of a draught fan B20, the outlet of the draught fan B20 is connected with an air outlet pipe B21, the other end of the exhaust pipe B21 is connected with the lower part of the left end of the drying box 23, the drying box 23 is a transparent box body, allochroic silica gel is placed in the drying box 23, the left side of the upper end of the drying box 23 is connected with a material injection pipe 22, the middle part of the lower end of the drying box 23 is connected with a discharge pipe 30, a valve B31 is arranged on the discharge pipe 30, the middle part of the upper end of the drying box 23 is connected with an air outlet pipe C24, the right end of the air outlet pipe C24 is connected with the inlet of an induced draft fan C25, the outlet connection of draught fan C25 have blast pipe C26, blast pipe C26 the other end link to each other with plasma purifier 27 left end middle part, plasma purifier 27 right-hand member middle part be connected with blast pipe D28.

The utility model discloses a paint waste gas treatment device for door industry manufacturing, the exhaust duct of the paint spray room is connected with the air inlet pipe at the lower part of the left end of a dust removal box, the paint waste gas enters the lower part of the dust removal box through the air inlet pipe, a water suction pump and a circulating water pump are opened, the water in a water tank enters a first water dividing pipe, a second water dividing pipe and a third water dividing pipe through a water outlet pipe, a first spray head, a second spray head and a third spray head which are arranged at the lower ends of the first water dividing pipe, the second water dividing pipe and the third water dividing pipe respectively spray water to the lower part, the middle part and the upper part of the dust removal box, in the upward movement process of the paint waste gas, the first spray head firstly sprays the paint waste gas to enable the paint waste gas to be adsorbed by the water and move along with the water to the direction of a liquid outlet pipe at the lower end of the dust removal box, the water flow can also carry dust and sticky particles in, the liquid after dust removal flows into the recovery box through the liquid outlet pipe, the first filter screen and the second filter screen in the recovery box filter the liquid, and the liquid is subjected to classified filtration and filtration with a filtering effect; the gas after dust removal treatment enters the lower part of the filter box through the air outlet pipe A and the exhaust pipe A under the action of the induced draft fan A, and the filter screen A, the filter screen B and the filter screen C in the filter box carry out filtration treatment on the gas, so that the filtration effect is improved; the gas after filtration treatment enters the lower part of the drying oven through an air outlet pipe B and an exhaust pipe B under the action of an induced draft fan B, allochroic silica gel is placed in the drying oven, the allochroic silica gel absorbs moisture in the gas, the drying capacity of the allochroic silica gel is judged according to the color of the allochroic silica gel, the drying capacity of the allochroic silica gel is strongest when the allochroic silica gel is blue, the allochroic silica gel basically has no drying capacity when the allochroic silica gel is pink, the allochroic silica gel without drying capacity is discharged from a discharge pipe at the moment, blue allochroic silica gel is added from an injection pipe to dry the gas, and the pink allochroic silica gel can become blue after being dried; the dried gas enters a plasma purifier through an air outlet pipe C and an exhaust pipe C under the action of a draught fan C, and in the process of generating plasma by the plasma purifier, the chemical energy of waste gas molecules is opened by instant high energy generated by high-frequency discharge and high-frequency discharge, so that molecular bonds of the waste gas are fully broken and decomposed into harmless gas; and the purified harmless gas is discharged into the atmospheric environment through the exhaust pipe D to reach the discharge standard.

Example 2

third shower nozzle

12, 5 lower extreme middle parts of dust removal case be connected with drain pipe 4, drain pipe 4 on install valve A39, 4 lower extremes of drain pipe be connected with collection box 3, collection box 3 in from top to bottom connect gradually first filter screen 2 and second filter screen 1, 3 lower extreme middle parts of collection box be connected with back flow 36, back flow 36 on install circulating water pump 35, back flow 36 the other end and water tank 34 left end upper portion link to each other, 5 left end sub-unit connection of dust removal case have intake pipe 6, 5 upper end middle parts of dust removal case be connected with outlet duct A13, outlet duct A13 right-hand member link to each other with draught fan A14's entry, draught fan A14's exit linkage have blast pipe A15, blast pipe A15's the other end link to each other with rose box 16 left end lower part, rose box 16 in by supreme filter screen A32, second filter screen A, Filter screen B18 and filter screen C17, 16 upper ends middle part of rose box be connected with outlet duct B19, outlet duct B19 right-hand member link to each other with draught fan B20's entry, draught fan B20's exit linkage have blast pipe B21, blast pipe B21's the other end link to each other with 23 left end lower parts of drying cabinet, drying cabinet 23 be transparent box, drying cabinet 23 in placed allochroic silica gel, drying cabinet 23 upper end left side be connected with annotate the material pipe 22, drying cabinet 23 lower extreme middle part be connected with discharging pipe 30, discharging pipe 30 on install valve B31, drying cabinet 23 upper end middle part be connected with outlet duct C24, outlet duct C24 right-hand member link to each other with draught fan C25's entry, draught fan C25's exit linkage have blast pipe C26, blast pipe C26's the other end and plasma purifier 27 left end middle part link to each other, plasma purifier 27 middle part be connected with blast pipe D28, first shower nozzle 7, second shower nozzle 9 and third shower nozzle 12 quantity increase in proper order, first filter screen 2 and second filter screen 1 be the activated carbon filter screen, first filter screen 2's filtration pore diameter be greater than second filter screen 1's filtration pore diameter, filter screen A32, filter screen B18 and filter screen C17 be the activated carbon filter screen, filter screen A32, filter screen B18 and filter screen C17's filtration pore diameter reduce in proper order, filter screen A32 and filter screen C17 be the low tilting setting of left high right side, filter screen B18 is the high tilting setting of left low right side, the equal detachable sealing plug that is connected with in upper end of notes water pipe 22 and water injection pipe 37, first minute water pipe 8, second minute water pipe 10 and third minute water pipe 11 and dust removal case 5's junction all be provided with the sealing strip.

The utility model discloses a paint waste gas treatment device for door industry manufacturing, the exhaust duct of the paint spray room is connected with the air inlet pipe at the lower part of the left end of a dust removal box, the paint waste gas enters the lower part of the dust removal box through the air inlet pipe, a water suction pump and a circulating water pump are opened, the water in a water tank enters a first water dividing pipe, a second water dividing pipe and a third water dividing pipe through a water outlet pipe, a first spray head, a second spray head and a third spray head which are arranged at the lower ends of the first water dividing pipe, the second water dividing pipe and the third water dividing pipe respectively spray water to the lower part, the middle part and the upper part of the dust removal box, in the upward movement process of the paint waste gas, the first spray head firstly sprays the paint waste gas to enable the paint waste gas to be adsorbed by the water and move along with the water to the direction of a liquid outlet pipe at the lower end of the dust removal box, the water flow can also carry dust and sticky particles in, the quantity of the first spray head, the second spray head and the third spray head is increased in sequence, the paint waste gas in the dust removal box is subjected to dust removal treatment step by water flow in the upward movement process, the dust content in the paint waste gas at the lower part of the dust removal box is large, the quantity of the first spray head is small, the water flow is large, the dust removal effect is improved, the dust content in the paint waste gas at the middle part and the upper part of the dust removal box is reduced in sequence, the quantity of the second spray head and the third spray head are increased in sequence, the water flow is reduced in sequence, corresponding water flow is used for spraying according to the dust content, the grading dust removal is realized, the dust removal effect is good, the efficiency is high, the liquid after dust removal flows into the recovery box through the liquid outlet pipe, the first filter screen and the second filter screen in the recovery box filter the liquid, the first filter screen and the second filter screen are both activated carbon filter screens, the liquid can be filtered, peculiar smell can be adsorbed and removed, the water after being filtered by the first filter screen and the second filter screen flows back to the water tank through the return pipe under the action of the circulating water pump, so that water resources are recycled, the resource utilization rate is high, and the treatment cost is reduced; the gas after dust removal treatment enters the lower part of the filter box through the air outlet pipe A and the exhaust pipe A under the action of the draught fan A, the filter screen B and the filter screen C in the filter box filter the gas, the filter screen A, the filter screen B and the filter screen C are all active carbon filter screens, the gas is filtered, adsorbed and peculiar smell is removed, the diameters of filter holes of the filter screen A, the filter screen B and the filter screen C are sequentially reduced, classified filtration is carried out, the filtering effect is improved, the filter screen A and the filter screen C are both arranged in a left-high-right inclined mode, the filter screen B is arranged in a left-low-right high inclined mode and arranged in a staggered inclined mode, the contact area between the gas and the; the gas after filtration treatment enters the lower part of the drying oven through an air outlet pipe B and an exhaust pipe B under the action of an induced draft fan B, allochroic silica gel is placed in the drying oven, the allochroic silica gel absorbs moisture in the gas, the drying capacity of the allochroic silica gel is judged according to the color of the allochroic silica gel, the drying capacity of the allochroic silica gel is strongest when the allochroic silica gel is blue, the allochroic silica gel basically has no drying capacity when the allochroic silica gel is pink, the allochroic silica gel without drying capacity is discharged from a discharge pipe at the moment, blue allochroic silica gel is added from an injection pipe to dry the gas, and the pink allochroic silica gel can become blue after being dried; the dried gas enters a plasma purifier through an air outlet pipe C and an exhaust pipe C under the action of a draught fan C, and in the process of generating plasma by the plasma purifier, the chemical energy of waste gas molecules is opened by instant high energy generated by high-frequency discharge and high-frequency discharge, so that molecular bonds of the waste gas are fully broken and decomposed into harmless gas; the purified harmless gas is discharged into the atmospheric environment through an exhaust pipe D to reach the discharge standard; the upper end of the water injection pipe is detachably connected with the sealing plug, so that the charging is convenient, the sealing performance is good when the charging is not performed, and the air leakage phenomenon is prevented; sealing strips are arranged at the joints of the first water dividing pipe, the second water dividing pipe and the third water dividing pipe and the dust removal box, so that the sealing performance is good, and the environment is prevented from being polluted by air leakage; generally, the utility model has the advantages of consume low, resource utilization is high, the processing is thorough, the treatment effect is efficient, can satisfy the processing requirement.

Claims

1. The utility model provides a paint exhaust treatment device for door industry is made, it includes dust removal case, rose box, drying cabinet, plasma purifier and water tank, its characterized in that: the lower extreme left and right sides of dust removal case, rose box, drying cabinet and plasma purifier all fixed mounting have the landing leg, water tank upper end be connected with the water injection pipe, water tank right-hand member sub-unit connection have the outlet pipe, the outlet pipe on install the suction pump, the left end of outlet pipe from bottom to top connect gradually first minute water pipe, second minute water pipe and third minute water pipe, first minute water pipe, second minute water pipe and third minute water pipe all insert the dust removal incasement portion, the lower extreme of first minute water pipe, second minute water pipe and third minute water pipe install first shower nozzle, second shower nozzle and third shower nozzle respectively, dust removal case lower extreme middle part be connected with the drain pipe, the drain pipe on install valve A, the drain pipe lower extreme be connected with the collection box, the collection box in from top to bottom connect gradually first filter screen and second filter screen, the middle part of the lower end of the recovery box is connected with a return pipe, a circulating water pump is installed on the return pipe, the other end of the return pipe is connected with the upper part of the left end of the water tank, the lower part of the left end of the dust removal box is connected with an air inlet pipe, the middle part of the upper end of the dust removal box is connected with an air outlet pipe A, the right end of the air outlet pipe A is connected with an inlet of a draught fan A, an outlet of the draught fan A is connected with an exhaust pipe A, the other end of the exhaust pipe A is connected with the lower part of the left end of a filter box from bottom to top, a filter screen A, a filter screen B and a filter screen C are sequentially connected in the filter box from bottom to top, the middle part of the upper end of the filter box is connected with an air outlet pipe B, the right end of the air outlet pipe B is, drying cabinet in placed allochroic silica gel, drying cabinet upper end left side be connected with annotate the material pipe, drying cabinet lower extreme middle part be connected with the discharging pipe, the discharging pipe on install valve B, drying cabinet upper end middle part be connected with outlet duct C, outlet duct C right-hand member link to each other with draught fan C's entry, draught fan C's exit linkage have blast pipe C, blast pipe C's the other end link to each other with plasma purifier left end middle part, plasma purifier right-hand member middle part be connected with blast pipe D.

2. The paint waste gas treatment device for door industry manufacturing according to claim 1, wherein: the number of the first spray head, the second spray head and the third spray head is increased in sequence.

3. The paint waste gas treatment device for door industry manufacturing according to claim 1, wherein: the first filter screen and the second filter screen are both activated carbon filter screens.

4. The paint waste gas treatment device for door industry manufacturing according to claim 1, wherein: the diameter of the filter hole of the first filter screen is larger than that of the filter hole of the second filter screen.

5. The paint waste gas treatment device for door industry manufacturing according to claim 1, wherein: and the filter screen A, the filter screen B and the filter screen C are all active carbon filter screens.

6. The paint waste gas treatment device for door industry manufacturing according to claim 1, wherein: the diameters of the filter holes of the filter screen A, the filter screen B and the filter screen C are reduced in sequence.

7. The paint waste gas treatment device for door industry manufacturing according to claim 1, wherein: the filter screen A and the filter screen C are arranged in a left-high-right inclined mode, and the filter screen B is arranged in a left-low-right inclined mode.

8. The paint waste gas treatment device for door industry manufacturing according to claim 1, wherein: the upper ends of the material injection pipe and the water injection pipe are detachably connected with sealing plugs.

9. The paint waste gas treatment device for door industry manufacturing according to claim 1, wherein: and sealing strips are arranged at the joints of the first water dividing pipe, the second water dividing pipe and the third water dividing pipe with the dust removal box.