Environment-friendly paint spray booth purification device

Abstract

The utility model relates to the technical field of paint spraying production equipment, in particular to an environment-friendly paint spraying room purification device. A front door is arranged in the front of the paint spraying room, a purification groove is formed in the inner side of the extraction opening, the bottom face of the purification groove is lower than the bottom face of the extraction opening, a baffle is arranged on the outer side of the extraction opening, and a liquid purification assembly and a spraying assembly which are connected into the purification groove are arranged on one side outside the paint spraying room. A circulating gas purification structure connected into the purification tank is arranged on the other side outside the paint spraying room; the liquid purification assembly, the spraying assembly and the circulating type gas purification structure are designed, sucked gas is preliminarily filtered in a liquid spraying mode, most dust is settled, then the gas and liquid are filtered respectively and recycled, and therefore the gas and the liquid cannot be discharged in the working process of the paint spraying room, and the working efficiency of the paint spraying room is improved. And compared with an existing paint spraying room, the environment pollution is greatly reduced, and the environment friendliness is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to paint spraying production equipment technical field, concretely relates to environmental protection type paint spraying booth purification device. BACKGROUND

[0002] Paint spraying booth is important equipment for spraying operation in industrial production, a large amount of paint mist and volatile organic compounds are produced in the paint spraying process, the pollutants are difficult to purify, the direct discharge mode is adopted, which can cause great pollution to the environment, especially volatile organic compounds, which can cause great harm to human body.

[0003] The traditional paint spraying booth purification device mainly adopts water adsorption, and then sewage is discharged or collected for unified treatment by using equipment, and the gas is directly discharged after filtration, but in the purification process, the purity of the gas will decrease due to the reasons such as equipment aging and filter material performance decline, so in the continuous exhaust process, a certain exhaust gas discharge phenomenon is easy to appear, and a large space is needed for sewage storage. UTILITY MODEL CONTENTS

[0004] The utility model discloses to the defects and insufficient of prior art, provide environmental protection type paint spraying booth purification device of reasonable design, it can solve the above-mentioned defects.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme: it contains the air extraction opening of being opened in the wall of paint spraying booth, the front door is arranged in front of paint spraying booth, the purification groove is opened in the inner side of air extraction opening, the bottom surface height of purification groove is lower than the bottom surface height of air extraction opening, the baffle is arranged on the outer side of air extraction opening, the liquid purification assembly and the spray assembly connected to the purification groove are arranged at one side outside paint spraying booth, and the circulating gas purification structure connected to the purification groove is arranged at the other side outside paint spraying booth.

[0006] Preferably, the liquid purification assembly comprises a sewage pipe arranged outside the paint spraying booth, a plurality of drainage holes are opened at the bottom end of the purification groove, the drainage holes are connected to the sewage pipe through pipelines, a filter box is arranged outside the paint spraying booth, a water pump is arranged on the filter box, the inlet end of the water pump is connected to the sewage pipe, and the outlet end of the water pump is connected to the filter box.

[0007] Preferably, the spray assembly comprises a water storage tank arranged at the side of the filter box, one end of the water storage tank is connected to the water outlet of the filter box, a high-pressure water pump is arranged on the water storage tank, one end of the high-pressure water pump is connected to the water storage tank, the other end of the high-pressure water pump is connected to a water inlet pipe arranged outside the paint spraying booth, a water spray pipe is arranged at the top of the purification groove, a plurality of water spray heads are arranged on the water spray pipe, the water spray heads are arranged towards the directly below, and the water inlet pipe is connected to the water spray pipe.

[0008] Preferably, the circulating gas purification structure comprises a plurality of air extraction holes arranged at the side of the purification tank, the air extraction holes being higher than the liquid level in the purification tank, an air extraction pipe being arranged outside the paint spraying room, the air extraction holes being connected to the air extraction pipe, a gas filter box being arranged outside the paint spraying room, a UV light oxygen catalytic box being arranged at the side of the gas filter box, a gas pump being arranged on the gas filter box, an air extraction end of the gas pump being connected to the air extraction pipe, an air outlet end of the gas pump being connected to one end of the gas filter box, the other end of the gas filter box being connected to one side of the UV light oxygen catalytic box, and the other side of the UV light oxygen catalytic box being connected to a gas distribution plate arranged at the top of the paint spraying room through a gas return pipe.

[0009] Preferably, a ring-shaped air exhaust groove is arranged at the upper side of the gas distribution plate, a pressure distribution chamber is arranged in the paint spraying room above the gas distribution plate, the gas return pipe is connected to the pressure distribution chamber, a plurality of air holes are arranged in the gas distribution plate and connected to the air exhaust groove, and the air holes are connected to the pressure distribution chamber.

[0010] Preferably, activated carbon and a plurality of filter membranes are arranged in the filter box and the gas filter box.

[0011] Preferably, the baffle comprises an inclined plate arranged obliquely, and a vertical plate connected to the front end of the inclined plate, the bottom end of the vertical plate being lower than the bottom end of the air extraction port.

[0012] After the above structure is adopted, the paint spraying room has the following advantages:

[0013] The liquid purification assembly, the spraying assembly and the circulating gas purification structure are designed, the inhaled gas is preliminarily filtered in the form of liquid spraying, most of the dust is settled, then the gas and the liquid are filtered respectively and recycled, so that the paint spraying room does not discharge the gas and the liquid during the working process, and does not need to store a large amount of the gas and the liquid, and only needs to replace the filter material regularly, compared with the existing paint spraying room, the environmental pollution is greatly reduced, and the environmental friendliness is higher.

[0014] The baffle is designed to shield the air extraction port, so that foreign matters are prevented from falling into the air extraction port, and the blockage caused by the foreign matters is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is a left side structure schematic view of the paint spraying room of the utility model;

[0016] Fig. 2 is a right side structure schematic view of the paint spraying room of the utility model;

[0017] Fig. 3 is an internal structure schematic view of the paint spraying room of the utility model;

[0018] Fig. 4 is a paint spraying room sectional view at the purification tank of the utility model;

[0019] Fig. 5 is the sectional view of the gas distribution plate in the utility model;

[0020] Fig. 6 is the internal structure schematic view of the filter box in the utility model.

[0021] Mark explanation:

[0022] 1, paint spray room; 2, front door; 3, baffle; 301, inclined plate; 302, vertical plate; 4, suction port; 5, purification tank; 6, water spray pipe; 7, upper water pipe; 8, drain hole; 9, sewage pipe; 10, filter box; 11, water pump; 12, water storage tank; 13, high-pressure water pump; 14, air suction hole; 15, air suction pipe; 16, gas filter box; 17, air pump; 18, UV light oxygen catalytic tank; 19, air return pipe; 20, pressure distribution chamber; 21, gas distribution plate; 22, exhaust groove; 23, air hole; 24, water spray head. Specific implementation

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Referring to Figs. 1-3 As shown in the figure, it comprises a suction port 4 opened in the wall of the paint spray room 1, the front of the paint spray room 1 is provided with a front door 2, the inside of the suction port 4 is provided with a purification tank 5, the bottom surface height of the purification tank 5 is lower than the bottom surface height of the suction port 4, the outside of the suction port 4 is provided with a baffle 3, the baffle 3 comprises an inclined plate 301 arranged obliquely, the inclined plate 301 is connected with a vertical plate 302 at the front end, the bottom end of the vertical plate 302 is lower than the bottom end of the suction port 4, a liquid purification assembly and a spraying assembly connected to the purification tank 5 are arranged at one side of the paint spray room 1, and a circulating gas purification structure connected to the purification tank 5 is arranged at the other side of the paint spray room 1.

[0025] Referring to Figs. 1-4 As shown in the figure, the liquid purification assembly comprises a sewage pipe 9 arranged outside the paint spray room 1, a plurality of drain holes 8 are opened at the bottom end of the purification tank 5, the drain holes 8 are all connected to the sewage pipe 9 through pipelines, a filter box 10 is arranged outside the paint spray room 1, a water pump 11 is arranged on the filter box 10, the inlet end of the water pump 11 is connected to the sewage pipe 9, the outlet end of the water pump 11 is connected to the filter box 10, and activated carbon and a plurality of filter membranes are arranged in the filter box 10;

[0026] The spray assembly comprises a water storage tank 12 arranged at the side of the filter box 10, one end of the water storage tank 12 is connected with the water outlet of the filter box 10, the water storage tank 12 is provided with a high-pressure water pump 13, one end of the high-pressure water pump 13 is connected to the water storage tank 12, the other end of the high-pressure water pump 13 is connected to the water inlet pipe 7 arranged outside the paint spraying room 1, the water spraying pipe 6 is arranged at the top of the purification tank 5, a plurality of water spraying heads 24 are arranged on the water spraying pipe 6, the water spraying heads 24 are arranged towards the bottom, and the water inlet pipe 7 is connected with the water spraying pipe 6.

[0027] As an optimization scheme of the utility model, the water pump 11 draws the water at the bottom of the purification tank 5 through the drain hole 8 and the sewage pipe 9, and then sends the water into the filter box 10 for filtration, the filter membrane preliminarily filters the liquid, then the liquid passes through the activated carbon to adsorb the mixed organic solvents and odors, the liquid is discharged into the water storage tank 12 for storage, and then the liquid is drawn out by the high-pressure water pump 13, sent to the water spraying pipe 6 through the water inlet pipe 7, sprayed by the water spraying head 24, and used to flush the gas sucked into the air inlet 4, the liquid adsorbs the particulate matter and organic matter mixed in the gas and flows to the bottom of the purification tank 5.

[0028] As shown in Figs. 1-5 The circulating gas purification structure comprises a plurality of air suction holes 14 arranged at the side of the purification tank 5, the liquid level in the purification tank 5 is lower than the air suction holes 14, an air suction pipe 15 is arranged outside the paint spraying room 1, the air suction holes 14 are all connected to the air suction pipe 15, a gas filter box 16 is arranged outside the paint spraying room 1, a UV light oxygen catalysis box 18 is arranged at the side of the gas filter box 16, a gas pump 17 is arranged on the gas filter box 16, the air suction end of the gas pump 17 is connected to the air suction pipe 15, the air outlet end of the gas pump 17 is connected to one end of the gas filter box 16, the other end of the gas filter box 16 is connected to one side of the UV light oxygen catalysis box 18, the other side of the UV light oxygen catalysis box 18 is connected to the gas distribution plate 21 arranged at the top of the paint spraying room 1 through the air return pipe 19, and the gas filter box 16 is provided with activated carbon and a plurality of filter membranes.

[0029] As an optimization scheme of the utility model, the gas pump 17 draws the gas from the purification tank 5 through the air suction hole 14 and the air suction pipe 15, sends the gas into the gas filter box 16 for filtration, removes the particulate matter mixed in the gas through the filter membrane, and adsorbs the remaining particulate matter and organic matter through the activated carbon, so that the gas is filtered, then the gas is introduced into the UV light oxygen catalysis box 18, the remaining organic matter is removed by using the photocatalytic degradation technology, and the gas is filtered efficiently and without secondary pollution.

[0030] As shown in Figs. 1-5 The upper side of the gas distribution plate 21 is provided with a ring-shaped air exhaust groove 22, the paint spraying room 1 above the gas distribution plate 21 is provided with a pressure distribution chamber 20, the air return pipe 19 is connected to the pressure distribution chamber 20, a plurality of air holes 23 connected to the air exhaust groove 22 are arranged in the gas distribution plate 21, and the air holes 23 are all connected to the pressure distribution chamber 20.

[0031] As an optimization scheme of the utility model, through the setting of the pressure distribution chamber 20, the air hole 23 and the exhaust groove 22, the airflow can be divided after being passed in, and the airflow can be evenly entered into the paint spraying room 1 from various angles.

[0032] The use process of the utility model:

[0033] After the installation arrangement is completed, appropriate water is added in the water storage tank 12, and the paint spraying room 1 can be used, after the front door 2 is closed, the paint spraying room 1 forms a relatively sealed environment, in the working process, the gas is sucked into the purification groove 5 from below the baffle 3, the water sprayed by the water spraying head 24 preliminarily flushes the gas, and then the gas is sent back into the paint spraying room 1 after being purified by the circulating gas purification structure, the sewage is purified by the liquid purification assembly, and then sprayed by the spraying assembly again, so that the sewage is recycled, so that in the use process of the paint spraying room 1, the paint spraying room 1 will not exhaust or discharge sewage, after the paint spraying work is completed, the staff can leave and close the front door 2 first, and then enter after the automatic circulation and purification in the paint spraying room 1 are completed, at this time, the front door 2 will not leak pollutants after being opened, and in the daily maintenance, only the activated carbon and the filter membranes of the gas and the liquid need to be replaced regularly.

[0034] It should be understood that the above specific embodiments of the utility model are only used for example or explanation of the principle of the utility model, and do not constitute the limitation of the utility model. Therefore, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the utility model should be included in the protection scope of the utility model. In addition, the appended claims of the utility model aim to cover all changes and modifications falling into the scope and boundary of the appended claims, or the equivalent forms of such scope and boundary.

Claims

1. An environmentally friendly spray booth purification device, characterized in that: It includes an exhaust port (4) located in the wall of the spray booth (1), a front door (2) in front of the spray booth (1), a purification tank (5) inside the exhaust port (4), the bottom of the purification tank (5) being lower than the bottom of the exhaust port (4), a baffle (3) outside the exhaust port (4), a liquid purification component and a spray component connected to the purification tank (5) on one side of the spray booth (1), and a circulating gas purification structure connected to the purification tank (5) on the other side of the spray booth (1).

2. The environmentally friendly spray booth purification device according to claim 1, characterized in that: The liquid purification assembly includes a sewage pipe (9) located outside the spray booth (1), and a number of drainage holes (8) are opened at the bottom of the purification tank (5). The drainage holes (8) are all connected to the sewage pipe (9) through pipelines. A filter box (10) is provided outside the spray booth (1). A water pump (11) is provided on the filter box (10). The inlet end of the water pump (11) is connected to the sewage pipe (9), and the outlet end of the water pump (11) is connected to the filter box (10).

3. The environmentally friendly spray booth purification device according to claim 2, characterized in that: The spray assembly includes a water storage tank (12) located on the side of the filter box (10). One end of the water storage tank (12) is connected to the outlet of the filter box (10). A high-pressure water pump (13) is provided on the water storage tank (12). One end of the high-pressure water pump (13) is connected to the inside of the water storage tank (12), and the other end of the high-pressure water pump (13) is connected to the water supply pipe (7) located outside the paint booth (1). A water spray pipe (6) is provided at the top of the purification tank (5). Several water spray heads (24) are provided on the water spray pipe (6). The water spray heads (24) are set facing directly downwards. The water supply pipe (7) is connected to the water spray pipe (6).

4. The environmentally friendly spray booth purification device according to claim 3, characterized in that: The circulating gas purification structure includes several air extraction holes (14) located on the side of the purification tank (5). The air extraction holes (14) are higher than the liquid level in the purification tank (5). An air extraction pipe (15) is provided on the outside of the spray booth (1). All air extraction holes (14) are connected to the air extraction pipe (15). A gas filter box (16) is provided outside the spray booth (1). A UV photocatalytic oxidation box (18) is provided on the side of the gas filter box (16). An air pump (17) is provided on the gas filter box (16). The air extraction end of the air pump (17) is connected to the air extraction pipe (15). The air outlet end of the air pump (17) is connected to one end of the gas filter box (16). The other end of the gas filter box (16) is connected to one side of the UV photocatalytic oxidation box (18). The other side of the UV photocatalytic oxidation box (18) is connected to the gas distribution plate (21) located at the top of the spray booth (1) through a return air pipe (19).

5. The environmentally friendly spray booth purification device according to claim 4, characterized in that: The upper side of the gas distribution plate (21) has an annular exhaust groove (22) around its perimeter. The spray booth (1) above the gas distribution plate (21) has a pressure chamber (20). The return pipe (19) is connected to the pressure chamber (20). The gas distribution plate (21) has several air holes (23) connected to the exhaust groove (22). All air holes (23) are connected to the pressure chamber (20).

6. The environmentally friendly spray booth purification device according to claim 5, characterized in that: Both the filter box (10) and the gas filter box (16) are equipped with activated carbon and multiple filter membranes.

7. The environmentally friendly spray booth purification device according to claim 1, characterized in that: The baffle (3) includes an inclined plate (301) with the front end of the inclined plate (301) connected to a vertical plate (302), and the bottom end of the vertical plate (302) is lower than the bottom end of the air extraction port (4).

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