Waste gas purification device for spraying room

Abstract

The utility model relates to the field of spraying waste gas purification, in particular to a waste gas purification device for a spraying room. The waste gas purification system aims at solving the technical problems that in the prior art, when a spraying room absorbs waste gas, the radiation range is small, particulate matter in the waste gas blocks the surface of a filtering layer, and the purification efficiency and effect are affected. The utility model discloses a waste gas purification device for a spraying room. The waste gas purification device comprises an absorption assembly and a pretreatment assembly, the multi-channel absorption assembly can uniformly absorb the waste gas of the spraying room in a large area, the pretreatment assembly adopts a circulating water spraying system to clean particulate matters and water-soluble harmful gas in the waste gas, and a motor in the detachable purification treatment assembly drives a rotating shaft to drive a scraper blade to clean the surface of a filtering area. And the turning and stirring plate is driven to continuously turn and stir the activated carbon particles, so that the activated carbon particles are in more sufficient contact with the waste gas, and thorough purification of the waste gas is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of spraying waste gas purification, especially to a waste gas purification device for spraying house. BACKGROUND

[0002] The workpiece is atomized by the spray gun, and the processing method is coated on the surface of the object, which can play a decorative, protective and other roles on the surface of the workpiece, in the prior art, spraying is mainly carried out in the spraying room, and the waste gas generated in the spraying process also has dust, if it is directly discharged into the environment, the waste gas containing paint dust, dust, particulate matter and toluene diisocyanate not only has a strong smell, but also seriously pollutes the environment and affects human health,

[0003] But the waste gas treatment effect of the spraying room is not ideal, mostly waste gas is sucked from an air inlet, then discharged after being adsorbed by multiple layers, the treatment method has small action range of waste gas in the spraying room, can only absorb the waste gas near the air inlet, and after a period of use, the surface of the multiple adsorption layers is blocked by solid or particulate matter in the waste gas, so that the purification efficiency and effect are affected. UTILITY MODEL CONTENT

[0004] In view of the defects of the prior art, the utility model aims at providing a waste gas purification device for spraying house, which aims at solving the technical problems that the radiation range is small when the spraying room absorbs waste gas, the particulate matter in the waste gas causes the surface of the filter layer to be blocked, and the purification efficiency and effect are affected.

[0005] The technical scheme of the utility model is as follows: a waste gas purification device for spraying house, comprising an absorption assembly, a pretreatment assembly, a purification treatment assembly, an air outlet pipe and a guide fan, the absorption assembly is installed on the ceiling of the inner chamber of the spraying room, a pretreatment assembly for quickly cleaning particulate matter and water-soluble harmful gas in waste gas is installed on the upper end of the absorption assembly, a purification treatment assembly for purifying waste gas is installed on the left end of the pretreatment assembly, an air outlet pipe is fixedly connected to the left side of the lower end of the purification treatment assembly, and a guide fan for guiding the flow of waste gas is installed on the inner side of the air outlet pipe.

[0006] Preferably, first, start the guide fan to generate suction airflow of the waste gas purification system, after the waste gas is generated from the spraying operation, first enter through the multi-channel absorption assembly, second, the pretreatment assembly quickly cleans the particulate matter and water-soluble harmful gas in the waste gas, this step aims at preliminary purification of the waste gas, and reduces the burden of subsequent deep purification treatment, third, the waste gas flows to the purification treatment assembly, the purification treatment assembly further purifies the waste gas by combining activated carbon particles with common filter layers, so as to remove more harmful gas and particulate matter, fourth, the cleaned waste gas after treatment is discharged from the air outlet pipe to the outside of the spraying room.

[0007] As preferred, the absorption assembly comprises a total air inlet pipe, a fairing, branch pipes and air inlets; the lower end of the total air inlet pipe is fixedly connected with equidistantly distributed fairings; a plurality of branch pipes are distributed on the ceiling of the spray booth; through the plurality of branch pipes with air inlets, the fairings are collected to the total air inlet pipe.

[0008] As preferred, the lower end of the fairing is fixedly connected with a branch pipe; the lower end of the branch pipe is provided with a long strip-shaped air inlet; in this way, when the waste gas is absorbed, the covering area is large and the inhaled efficiency is high.

[0009] As preferred, the pretreatment assembly comprises a spraying chamber, a filter plate, a water storage tank, a water pump and a spraying pipe; the inside bottom end of the spraying chamber is provided with the water storage tank; the upper end of the water storage tank is provided with the filter plate; the water storage tank, the water pump and the spraying pipe constitute a circulating spraying system, and through the formation of multiple water curtains, the particulate matters and water-soluble harmful gases in the waste gas are cleaned.

[0010] As preferred, the inside rear end of the water storage tank is provided with the water pump; the upper end of the output pipe of the water pump is communicated with the spraying pipe; the solid particles washed down are separated by the filter plate, and the remaining water can be used again; the front end of the spraying chamber is provided with a maintenance door, and the filter plate is cleaned and the circulating spraying system is maintained in the later period.

[0011] As preferred, the purification treatment assembly comprises a purification pipeline, a purification chamber, an activated carbon particle storage cavity, a filter area, a rotating shaft, a scraper and a turnover plate; the inside of the purification pipeline is slidably connected with the purification chamber; the right end of the inside of the purification chamber is provided with the activated carbon particle storage cavity; the left end of the inside of the purification chamber is provided with the filter area; when the waste gas passes through the purification pipeline, the activated carbon particles in the activated carbon particle storage cavity of the purification chamber and the common filter layer such as a HEPA filter in the filter area are needed to be passed through, so that the waste gas is further purified to remove more harmful gases and particulate matters, so that the waste gas is thoroughly purified.

[0012] As preferred, the rotating shafts at the circumcenter positions of the activated carbon particle storage cavity and the filter area are driven by motors; the side of the rotating shaft close to the filter area is fixedly connected with the scraper; the inside of the rotating shaft in the activated carbon particle storage cavity is fixedly connected with the turnover plate; in this process, the motor drives the rotating shaft, drives the scraper to clean the surface of the filter area, avoids that the solid particles block the mesh holes and affect the purification efficiency and effect, and drives the turnover plate to continuously turn over the activated carbon particles stored in the activated carbon particle storage cavity, so that the activated carbon particles are more fully contacted with the waste gas.

[0013] The beneficial effects of the utility model are as follows:

[0014] The utility model discloses a multichannel absorption component can be even to the large area absorption of spraying room waste gas, and the coverage area is big, and inhales the effective rate is high, through the pretreatment component adopts the circulating water spray system, can form multiple water curtain, carries out cleaning to the particulate matter and water-soluble harmful gas in waste gas, preliminary purification waste gas, alleviates the subsequent deep purification treatment burden, through the detachable purification treatment component, not only is convenient for the later maintenance replacement filter material, and internal motor drive pivot, can drive the scraper clean filter area surface, avoids solid particulate matter and blocks the mesh, influences purification efficiency and effect, and drive the turnover board constantly turns over and stirs the activated carbon particle storage cavity storage activated carbon particle, makes it and waste gas contact more fully, carries out further purification treatment to waste gas to remove more harmful gas and particulate matter, to realize the thorough purification of waste gas. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model discloses a waste gas purification system's three -dimensional structure schematic diagram is shown.

[0016] Figure 2 The utility model discloses a waste gas purification system's another three -dimensional structure schematic diagram is shown.

[0017] Figure 3 The utility model discloses a waste gas purification system's pretreatment component internal structure schematic diagram is shown.

[0018] Figure 4 The utility model discloses a waste gas purification system's purification treatment component cross section structure schematic diagram is shown.

[0019] The utility model discloses a waste gas purification system's three -dimensional structure schematic diagram is shown. DETAILED DESCRIPTION

[0020] The utility model will be further explained below in connection with the drawings and examples.

[0021] Please refer to Figure 1The utility model provides a kind of embodiment: a waste gas purification device for spray booth, including absorption component 1, pretreatment component 4, purification treatment component 5, air outlet pipe 6, guide fan 7;Absorption component 1 is installed in spray booth inner chamber ceiling;Pretreatment component 4 for quickly cleaning particulate matter and water-soluble harmful gas in waste gas is installed on the upper end of absorption component 1;Pretreatment component 4 left end is equipped with the purification treatment component 5 for purifying waste gas;Air outlet pipe 6 is fixedly connected with the left side of the lower end of purification treatment component 5;Guide fan 7 for guiding waste gas flow is installed in the inside of air outlet pipe 6.

[0022] Please refer to Figure 2 In the embodiment, absorption component 1 includes total air inlet pipe 101, fairing 102, branch pipe 103 and air inlet 104;Total air inlet pipe 101 lower end is fixedly connected with equidistant distribution fairing 102;Multiple branch pipes 103 are distributed on spray booth ceiling, through multiple branch pipes 103 with air inlet 104, utilize fairing 102 to gather to total air inlet pipe 101, and fairing 102 lower end is fixedly connected with branch pipe 103;Branch pipe 103 lower end is provided with strip-shaped air inlet 104;In this way, when absorbing waste gas, the coverage area is large, and the inhaled efficiency is high.

[0023] Please refer to Figure 3 In the embodiment, pretreatment component 4 includes spray chamber 401, filter plate 402, water tank 403, water pump 404 and spray pipe 405;Water tank 403 is installed on the inside bottom end of spray chamber 401;Filter plate 402 is installed on the upper end of water tank 403;Water tank 403, water pump 404 and spray pipe 405 constitute a circulating spray system, through forming multiple water curtains, particulate matter and water-soluble harmful gas in waste gas are cleaned, water pump 404 is installed on the inside back end of water tank 403;Spray pipe 405 is communicated with the upper end of water pump 404 output pipe;Solid particles washed down are separated by filter plate 402, and the remaining water can be used again, and the front end of spray chamber 401 is provided with an access door, which is convenient for cleaning filter plate 402 and overhauling circulating spray system in later period.

[0024] Please refer to Figure 4In the embodiment, the purification treatment assembly 5 comprises a purification pipeline 501, a purification chamber 502, an activated carbon particle storage cavity 503, a filter area 504, a rotating shaft 505, a scraper 506 and a turnover plate 507; the purification chamber 502 is slidably connected to the inner side of the purification pipeline 501; the activated carbon particle storage cavity 503 is arranged at the right end of the inner side of the purification chamber 502; the filter area 504 is arranged at the left end of the inner side of the purification chamber 502; when the exhaust gas passes through the purification pipeline 501, it needs to pass through the activated carbon particles in the activated carbon particle storage cavity 503 and the common filter layer in the filter area 504, such as a HEPA filter, to further purify the exhaust gas and remove more harmful gases and particulate matters, so as to achieve complete purification of the exhaust gas; the activated carbon particle storage cavity 503 and the filter area 504 are penetrated by the rotating shaft 505 driven by a motor; the scraper 506 is fixedly connected to the side of the rotating shaft 505 close to the filter area 504; the turnover plate 507 is fixedly connected to the rotating shaft 505 inside the activated carbon particle storage cavity 503; in this process, the motor drives the rotating shaft 505 to drive the scraper 506 to clean the surface of the filter area 504, so as to avoid that the solid particulate matters block the mesh holes and affect the purification efficiency and effect, and to drive the turnover plate 507 to continuously turn over the activated carbon particles stored in the activated carbon particle storage cavity 503, so that the activated carbon particles can be more fully contacted with the exhaust gas.

[0025] When working, first, start the guide fan 7 to let the exhaust gas purification system generate an air suction flow; after the exhaust gas is generated from the spraying operation, it first enters the multi-channel absorption assembly 1; the multiple branch pipes 103 are distributed on the ceiling of the spraying room; the exhaust gas is sucked through the multiple branch pipes 103 with air inlets 104; the guide cover 102 is used to collect the exhaust gas to the total air inlet pipe 101; the covering area is large and the suction efficiency is high.

[0026] Secondly, the water tank 403, the water pump 404 and the spray pipe 405 in the pretreatment assembly 4 constitute a circulating spray system; the multiple water curtains are formed to clean the particulate matters and water-soluble harmful gases in the exhaust gas; the solid particles washed down are separated by the filter plate 402; the remaining water can be reused; the front end of the spray chamber 401 is provided with an access door, which is convenient for cleaning the filter plate 402 and repairing the circulating spray system in the later period.

[0027] Thirdly, the exhaust gas flows to the purification assembly 5, and when the exhaust gas passes through the purification pipeline 501, the exhaust gas needs to pass through the activated carbon particles in the activated carbon particle storage cavity 503 of the purification cavity 502 and the filter layer commonly used in the filter area 504, such as a HEPA filter, to further purify the exhaust gas and remove more harmful gases and particulate matters, so as to achieve complete purification of the exhaust gas. In this process, the motor drives the rotating shaft 505, the scraper 506 cleans the surface of the filter area 504, avoids solid particulate matters from blocking the mesh holes and affecting the purification efficiency and effect, and the driving stirring plate 507 constantly stirs the activated carbon particles stored in the activated carbon particle storage cavity 503, so that the activated carbon particles can be more fully contacted with the exhaust gas to remove more harmful gases and particulate matters.

[0028] Fourthly, the clean exhaust gas after treatment is discharged from the air outlet pipeline 6 to the outside of the spraying room.

[0029] The embodiments of the utility model are described in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. An exhaust gas cleaning device for a spray booth, comprising an absorption assembly (1); characterized in that: The pre-treatment assembly (4), the purification treatment assembly (5), the air outlet pipe (6) and the guide fan (7) are further included.

2. The exhaust gas cleaning device for a spray booth according to claim 1, characterized in that: The total air inlet pipe (101), the flow guide cover (102), the branch pipe (103) and the air inlet (104) are included in the absorption assembly (1).

3. The exhaust gas cleaning device for a spray booth according to claim 2, characterized in that: The flow guide cover (102) is fixedly connected to the lower end of the total air inlet pipe (101).

4. The exhaust gas cleaning device for a spray booth according to claim 1, characterized in that: The branch pipe (103) is fixedly connected to the lower end of the flow guide cover (102).

5. A waste gas purification device for a spray booth according to claim 4, characterized in that: The pre-treatment assembly (4) includes the spraying chamber (401), the filter plate (402), the water storage tank (403), the water pump (404) and the spraying pipe (405).

6. The exhaust gas cleaning device for a spray booth according to claim 1, characterized in that: The water storage tank (403) is installed at the bottom of the spraying chamber (401).

7. A waste gas purification device for a spray booth according to claim 6, characterized in that: The water pump (404) is installed at the back end of the water storage tank (403). The spraying pipe (405) is communicated with the output pipe of the water pump (404). The purification treatment assembly (5) includes the purification pipeline (501), the purification chamber (502), the activated carbon particle storage cavity (503), the filter area (504), the rotating shaft (505), the scraper (506) and the turnover plate (507). The purification chamber (502) is slidably connected to the inner side of the purification pipeline (501). The activated carbon particle storage cavity (503) and the filter area (504) are provided with the rotating shaft (505) driven by the motor at the center positions. The scraper (506) is fixedly connected to the side of the rotating shaft (505) close to the filter area (504). The turnover plate (507) is fixedly connected to the inner side of the rotating shaft (505) in the activated carbon particle storage cavity (503).

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