Exhaust equipment for coating room

Abstract

The utility model discloses exhaust equipment for a painting room, which comprises a waste gas treatment box and relates to the technical field of painting room waste gas treatment, a waste gas purification assembly is arranged in the waste gas treatment box, and the waste gas purification assembly comprises a liquid storage box, a partition plate, a penetrating opening, a connecting channel, a first purification room and a second purification room, the liquid storage box is installed on the inner wall of the bottom of the waste gas treatment box, the partition plate is installed in the middle of the liquid storage box and divides the liquid storage box into a first purification chamber and a second purification chamber, the penetrating opening is formed in one side of the bottom of the partition plate, and the top of the liquid storage box is provided with a connecting channel; and the two ends of the connecting channel penetrate through the interiors of the first purification chamber and the second purification chamber correspondingly. Waste gas is diluted and purified again through the solvent in the second purification chamber, and the waste gas can be in full contact with the solvent through secondary dilution, so that the treatment and purification effect through the solvent is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coating room waste gas treatment, specifically to exhaust equipment for coating room. BACKGROUND

[0002] The paint spraying room is one of the coating rooms, and the coating room refers to a room equipped with coating tools and performing coating operation. The paint spraying room further includes a paint spraying room, a paint dipping room, a curtain coating room, etc. The coating room will produce harmful gas during use, and thus exhaust equipment is needed to extract and treat the waste gas in the coating room.

[0003] The patent document CN213377430U discloses a waste gas exhaust device for a paint spraying room, which discloses that the paint waste gas sucked by the air extractor will slow down the air intake rate through the partition plate, so as to effectively decompose the waste gas particles by using the water film in the water curtain cleaning box.

[0004] However, the waste gas exhaust device for the paint spraying room mainly considers the problem that the existing waste gas exhaust device cannot effectively decompose harmful substances in the waste gas. However, the waste gas exhaust device for the paint spraying room is purified by contacting the waste gas with the water curtain, so that the waste gas has a short contact time with the water curtain, and the waste gas cannot fully contact and react with the water curtain, resulting in poor waste gas purification effect.

[0005] Therefore, it is necessary to study an exhaust equipment for a coating room, which can directly contact the waste gas with the purified solvent to effectively treat the waste gas. UTILITY MODEL CONTENT

[0006] The utility model aims to provide an exhaust equipment for a coating room to solve the technical problem of short contact time between waste gas and water curtain, and the waste gas cannot fully contact and react with the water curtain, resulting in poor waste gas purification effect.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an exhaust equipment for a coating room, comprising: a waste gas treatment box, a waste gas purification assembly is installed inside the waste gas treatment box, the waste gas purification assembly comprises a liquid storage tank, a partition plate, a through hole, a connecting channel, a first purification chamber and a second purification chamber, the liquid storage tank is installed on the inner wall of the bottom of the waste gas treatment box, the partition plate is installed at the middle position of the liquid storage tank, the partition plate divides the liquid storage tank into the first purification chamber and the second purification chamber, the through hole is opened at the bottom side of the partition plate, the connecting channel is installed on the top of the liquid storage tank, and the two ends of the connecting channel penetrate into the interiors of the first purification chamber and the second purification chamber respectively, one end of the connecting channel penetrates into the top of the first purification chamber, and the other end of the connecting channel extends into the interior liquid of the second purification chamber.

[0008] Preferably, the top of the liquid storage tank is provided with an air outlet penetrating through, and the air outlet penetrates through the top of the second purification chamber, and one side of the liquid storage tank is provided with a liquid discharge valve penetrating through, and the liquid discharge valve penetrates through one side of the waste gas treatment box.

[0009] Preferably, the top of the liquid storage tank is provided with a connecting pipe penetrating through, and the connecting pipe penetrates through one side of the waste gas treatment box, one end of the connecting pipe is provided with an exhaust fan, and the other end of the exhaust fan is provided with a transmission pipeline.

[0010] Preferably, the other side of the waste gas treatment box is provided with a dismounting door, and the top of the waste gas treatment box is provided with an exhaust shell through bolts.

[0011] Preferably, the inside of the waste gas treatment box is provided with a mounting shell, and the mounting shell is located above the liquid storage tank, limit grooves are symmetrically formed on the inner wall of the mounting shell, and a guide pipe is arranged at the bottom of the mounting shell and connected with the air outlet.

[0012] Preferably, the inside of the mounting shell is provided with a purification filler, limit blocks are symmetrically arranged on the outer side of the purification filler and are in sliding connection with the limit grooves, connecting rods are symmetrically arranged on the top of the purification filler and connected with the exhaust shell at the top end.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The inside of the liquid storage tank of the waste gas purification assembly stores a solvent for diluting harmful gas, the transmitted waste gas is first diluted in the solvent in the first purification chamber, the diluted gas is then diluted again in the solvent in the second purification chamber, and the waste gas is fully contacted with the solvent through twice dilution, so that the purification effect of the solvent is better.

[0015] 2. The purification filler is embedded in the limit grooves through the limit blocks on both sides, so that the purification filler is slidably arranged on the inside of the mounting shell, and the top of the purification filler is connected with the exhaust shell through the connecting rods, the exhaust shell can be dismounted through bolts, and when the purification filler needs to be replaced, the exhaust shell can be dismounted, and the purification filler is taken out from the top of the waste gas treatment box through the exhaust shell, so that the purification filler is conveniently dismounted and replaced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 It is a waste gas treatment box sectional view of the utility model;

[0018] Figure 3This is a schematic diagram of the liquid storage tank structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the purification packing structure of this utility model.

[0020] In the diagram: 1. Exhaust gas treatment box; 2. Disassembly door; 3. Drain valve; 4. Liquid storage tank; 5. Divider plate; 6. Through-hole; 7. Connecting channel; 8. Air outlet; 9. First purification chamber; 10. Second purification chamber; 11. Connecting pipe; 12. Exhaust fan; 13. Transmission pipeline; 14. Mounting shell; 15. Conduit; 16. Limiting groove; 17. Purification packing; 18. Limiting block; 19. Connecting rod; 20. Exhaust shell. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0024] Please see Figure 1 , Figure 2 and Figure 3 An exhaust system for a painting booth;

[0025] It includes: exhaust treatment box 1 and exhaust gas purification assembly, the inside of exhaust treatment box 1 is installed with exhaust gas purification assembly, exhaust gas purification assembly includes liquid storage tank 4, partition plate 5, through port 6, connecting channel 7, first purification chamber 9 and second purification chamber 10, liquid storage tank 4 is installed on the bottom inner wall of exhaust treatment box 1, partition plate 5 is installed at the middle position of liquid storage tank 4, partition plate 5 separates liquid storage tank 4 into first purification chamber 9 and second purification chamber 10, through port 6 is opened in the bottom side of partition plate 5, the top of liquid storage tank 4 is installed with connecting channel 7, both ends of connecting channel 7 are penetrated in the inside of first purification chamber 9 and second purification chamber 10 respectively, one end of connecting channel 7 penetrates the top of first purification chamber 9, the other end of connecting channel 7 extends into the liquid in the inside of second purification chamber 10, the top of liquid storage tank 4 is penetrated and installed with gas outlet 8, and the gas outlet 8 penetrates the top of second purification chamber 10, one side of liquid storage tank 4 is penetrated and installed with liquid discharge valve 3, and the liquid discharge valve 3 penetrates one side of exhaust treatment box 1, the top of liquid storage tank 4 is penetrated and installed with connecting pipe 11, and the connecting pipe 11 penetrates one side of exhaust treatment box 1, one end of connecting pipe 11 is installed with exhaust fan 12, the other end of exhaust fan 12 is installed with transmission pipeline 13;

[0026] Exhaust treatment box 1 provides the function of purifying the gas discharged from the coating chamber, which is extracted by the exhaust fan 12 in the coating chamber under the action of the exhaust fan 12 through the transmission pipeline 13, and then enters the exhaust gas purification assembly through the connecting pipe 11. The inside of the liquid storage tank 4 in the exhaust gas purification assembly stores a solvent for diluting harmful gas. The transmitted exhaust gas will first enter the solvent in the first purification chamber 9 to dilute the harmful substances in the harmful gas. The diluted gas enters the second purification chamber 10 through the connecting channel 7, and the solvent in the second purification chamber 10 is used to dilute and purify the exhaust gas again. Through the secondary dilution, the exhaust gas can be fully contacted with the solvent, so that the purification effect of the solvent is better. After use, the solvent is discharged by opening the liquid discharge valve 3. The through port 6 makes the bottom of the first purification chamber 9 and the second purification chamber 10 communicate, which facilitates liquid discharge and liquid inlet. The diluted exhaust gas in the second purification chamber 10 is discharged through the gas outlet 8.

[0027] Please refer to Figure 1 and Figure 4 , an exhaust equipment for coating chamber;

[0028] The exhaust treatment box 1 is provided with a dismounting door 2 on the other side, the exhaust treatment box 1 is provided with the exhaust casing 20 on the top by bolting, the installation casing 14 is arranged in the exhaust treatment box 1 and is located above the liquid storage tank 4, the limit grooves 16 are symmetrically arranged on the inner wall of the installation casing 14, the guide pipe 15 is arranged on the bottom of the installation casing 14 and the bottom end of the guide pipe 15 is connected with the air outlet 8, the purification filler 17 is arranged in the installation casing 14, the limit blocks 18 are symmetrically arranged on the outer side of the purification filler 17 and are slidably connected with the limit grooves 16, and the connecting rods 19 are symmetrically arranged on the top of the purification filler 17 and the top end of the connecting rods 19 is connected with the exhaust casing 20.

[0029] The exhaust gas after being purified by the exhaust gas purification assembly enters the guide pipe 15 through the air outlet 8, so that the exhaust gas enters the inside of the purification filler 17 and is purified by the purification material such as activated carbon again, the purification filler 17 is embedded in the limit groove 16 by the limit blocks 18 on both sides, so that the purification filler 17 is slidably arranged on the inner side of the installation casing 14, since the top of the purification filler 17 is connected with the exhaust casing 20 by the connecting rod 19, the exhaust casing 20 can be dismounted by bolting, when the purification filler 17 needs to be replaced, the exhaust casing 20 can be dismounted, the purification filler 17 is taken out from the top of the exhaust treatment box 1 through the exhaust casing 20, so that the purification filler 17 is conveniently dismounted and replaced, the dismounting door 2 can be opened to facilitate the staff to overhaul the internal purification structure and add the dilution solvent into the inside of the liquid storage tank 4.

[0030] The working principle is that first, one end of the transmission pipeline 13 is penetrated and arranged in the coating chamber, so that the exhaust fan 12 can discharge the exhaust gas in the coating chamber when in use, then the exhaust gas is transmitted to the exhaust gas purification assembly through the connecting pipe 11, the exhaust gas is diluted by the solvent again in the exhaust gas purification assembly, so that the harmful substances in the exhaust gas are removed, the exhaust gas after being diluted by the solvent enters the purification filler 17 through the guide pipe 15, the harmful substances in the exhaust gas are filtered and purified again by the purification filler 17, and finally the exhaust gas is discharged through the exhaust casing 20.

[0031] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of equivalent elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. An exhaust apparatus for a coating chamber, characterized by comprising: The utility model provides waste gas treatment box (1), the inside installation of waste gas treatment box (1) includes waste gas purification subassembly, waste gas purification subassembly includes liquid storage tank (4), partition (5), through -going port (6), connecting channel (7), first purification chamber (9) and second purification chamber (10), liquid storage tank (4) is installed on the bottom inner wall of waste gas treatment box (1), partition (5) is installed in the middle position of liquid storage tank (4), partition (5) separates liquid storage tank (4) into first purification chamber (9) and second purification chamber (10), through -going port (6) is set up in the bottom one side of partition (5), the top of liquid storage tank (4) is equipped with connecting channel (7), and the both ends of connecting channel (7) are penetrated respectively in the inside of first purification chamber (9) and second purification chamber (10), one end of connecting channel (7) penetrates the top of first purification chamber (9), the other end of connecting channel (7) extends into the liquid in the inside of second purification chamber (10).

2. The exhaust apparatus for a paint booth according to claim 1, characterized by: The top of liquid storage tank (4) is equipped with gas outlet (8) and penetrates the top of second purification chamber (10), and one side of liquid storage tank (4) is equipped with liquid discharge valve (3) and penetrates one side of waste gas treatment box (1).

3. The exhaust apparatus for a paint booth according to claim 1, characterized by: The top of liquid storage tank (4) is equipped with connecting pipe (11) and penetrates one side of waste gas treatment box (1), and one end of connecting pipe (11) is equipped with exhaust fan (12), and the other end of exhaust fan (12) is equipped with transmission pipeline (13).

4. The exhaust apparatus for a paint booth according to claim 1, characterized by: The other side of waste gas treatment box (1) is equipped with dismounting door (2), and the top of waste gas treatment box (1) is equipped with exhaust shell (20) through bolt.

5. The exhaust apparatus for a paint booth according to claim 1, characterized by: The inside of waste gas treatment box (1) is equipped with mounting shell (14), and mounting shell (14) is located above liquid storage tank (4), and the inner wall of mounting shell (14) is symmetrically equipped with limiting groove (16), and the bottom of mounting shell (14) is equipped with guide pipe (15), and the bottom end of guide pipe (15) is connected with gas outlet (8).

6. The exhaust apparatus for a paint booth according to claim 5, characterized by: The inside of mounting shell (14) is equipped with purification filler (17), and the outer side of purification filler (17) is symmetrically equipped with limiting block (18), and limiting block (18) is connected with limiting groove (16) slidingly, and the top of purification filler (17) is symmetrically equipped with connecting rod (19), and the top end of connecting rod (19) is connected with exhaust shell (20).

Images