CN204502598U - A kind of multi-stag finish-baking room for automobile removing exhaust gas device - Google Patents

Abstract

The utility model relates to a multi-stage exhaust gas removal device for an automobile paint room, which comprises a box body. The box body is connected to an air intake pipe of the box body through an air inlet, and is connected to an exhaust fan through an exhaust port, and the exhaust fan is connected to an exhaust pipe. ; In the box, at least two side-by-side partitions are arranged to form a tortuous gas channel, and in the tortuous gas channel, filter cotton, filter paper and activated carbon are placed in sequence along the direction of gas travel. The utility model is used to treat the waste gas. The waste gas will be adsorbed and filtered by filter cotton, filter paper and activated carbon in sequence. The dust in the waste gas will also be filtered by the filter cotton and filter cotton paper. Adsorption, strong irritating odor is significantly reduced, the exhaust gas travels in a tortuous gas channel, and the contact time between the exhaust gas and the filter medium is increased, and the footprint is small, and the filtering effect is significantly enhanced.

Description

A multi-stage exhaust gas removal device for automobile paint booth

technical field

The utility model belongs to the field of exhaust gas treatment, in particular to a multi-stage exhaust gas removal device for an automobile paint booth.

Background technique

The car paint booth will produce harmful exhaust gas with a strong pungent smell during the paint baking operation. There are also a large amount of harmful substances such as benzene, toluene, xylene and other aromatic hydrocarbons, alcohols and dust in these exhaust gases. Once these exhaust gases are directly discharged into the environment without treatment, they will not only pollute the environment, but also cause harm to the human body if inhaled, and even aggravate the smog phenomenon in winter.

At present, most automotive paint booths adopt simple adsorption treatment or water washing treatment. The disadvantage of simple adsorption treatment is that the path of exhaust gas in the adsorption box is short, which cannot fully absorb the exhaust gas; the disadvantage of water washing treatment is The effect is not complete, and some harmful substances can still be discharged into the environment to pollute the environment, so the treatment effect of the two is not very satisfactory. Some paint booths even use fresh air from outside to be sucked into the paint booth to directly squeeze out the exhaust gas generated during the operation in the paint booth. The exhaust gas is discharged into the environment without any treatment, which is extremely harmful to the environment. Therefore, the utility model has very important significance for reducing air pollution, improving the environment and the health status of residents around the paint booth.

Contents of the invention

The purpose of the utility model is to overcome the defects of the prior art and provide a multi-stage exhaust gas removal device for automobile paint booths which can fully treat the exhaust gas.

The technical scheme of the utility model is:

Including the box body, the box body is connected to the air intake pipe of the box body by opening an air inlet, and the exhaust fan is connected to the exhaust fan by opening an exhaust port, and the exhaust fan is connected to the exhaust pipe; the zigzag gas passage is formed by setting at least two parallel partitions in the box body , and in the tortuous gas channel, along the direction of gas travel, place filter cotton, filter paper and activated carbon in sequence.

The baffles include a first baffle and a second baffle vertically arranged in the box from left to right, the first baffle and the second baffle evenly divide the box into three compartments, wherein the first There is a gap between the lower end of the partition and the bottom plate of the box, and there is a gap between the upper end of the second partition and the top plate of the box, so that the three compartments are connected to form a tortuous gas passage; the air inlet It is set in the upper left corner of the box, and the exhaust port is set in the lower right corner of the box.

In the three compartments, three pairs of support plates are respectively arranged on the opposite side walls of the box body, the first partition and the second partition, and the filter cotton and filter paper are respectively movably installed in the first compartment and the second compartment. On the support plate of the first compartment, the activated carbon is placed in a holding device with a mesh bottom, and the holding device is movably installed on the support plate of the third compartment.

An inspection door is provided on the box body.

The exhaust fan adopts an explosion-proof exhaust fan.

The filter cotton adopts primary effect synthetic fiber filter cotton.

The filter paper is paint mist filter paper.

Compared with the prior art, the utility model has the following beneficial technical effects:

The utility model forms a zigzag gas channel by setting a partition in the box, and places filter cotton, filter paper and activated carbon in the zigzag gas channel to form a multi-stage treatment device for treating waste gas. By installing an exhaust fan, Strengthen the suction, so that the exhaust gas can enter the box smoothly for treatment. After the exhaust gas enters the box, it will be adsorbed and filtered by filter cotton, filter paper, and activated carbon in sequence. The dust in the exhaust gas will also be filtered by filter cotton and filter cotton paper. The strong irritating smell of the exhaust gas will be absorbed by activated carbon, and the strong irritating smell will be significantly reduced. The path of the exhaust gas in the tortuous gas channel is a labyrinthine tortuous route, which increases the walking route of the exhaust gas and increases the distance between the exhaust gas and the filter medium. The contact time is short, and the floor area is small, the filtering effect is significantly enhanced, the adsorption rate is over 95%, and the emission standard is met, and finally discharged to the outside through the exhaust pipe.

Further, the utility model forms a three-stage adsorption waste gas treatment device by setting the first partition and the second partition, which has good adsorption effect and small volume.

Furthermore, the utility model divides the filter cotton, filter paper and activated carbon in each compartment into three layers by setting a support plate, which has better ventilation, facilitates the passage of gas, and improves efficiency.

Further, the utility model is provided with an inspection door, which facilitates the replacement of filter cotton, filter paper and activated carbon as well as cleaning and inspection of the box body.

Description of drawings

Fig. 1 is a front view of the utility model;

Fig. 2 is the front view of the utility model connected with the paint room intake and exhaust system.

Among them: 1-cabinet intake pipe; 2-air inlet; 3-cabinet; 4-first partition; 5-support plate; 6-second partition; 7-exhaust port; 8-exhauster fan; 9-Exhaust pipe; 10-Activated carbon; 11-Filter paper; 12-Filter cotton; 13-Exhaust duct of paint room; 14-Exhaust box of paint room; 15-Intake pipe of paint room; 16-Blower.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

In the utility model, the left, right, up and down directions are defined as shown in Fig. 1 and Fig. 2, which is only for making the description clearer, but not for limiting the utility model.

Referring to Fig. 1 and Fig. 2, the spray booth of the utility model is connected with the blower 16 through the intake pipe 15 of the spray booth. Box 14, the exhaust box 14 of the paint baking room is sealed and connected to the air inlet 2 of the box body 3 through the box body intake pipe 1. 7. The exhaust port 7 is sealed and connected to the air inlet of the exhaust fan 8. The exhaust fan 8 is an explosion-proof exhaust fan and the air outlet is connected to the exhaust pipe 9. The zigzag gas passage is formed by setting at least two side-by-side partitions in the box body 3. The gas channel communicates with the inlet port 2 and the exhaust port 7 . The utility model continuously sends fresh air into the upper space in the paint-baking room of the automobile through the blower 16, which is beneficial to press waste gas into the exhaust box 14 of the paint-baking room, and enters the box body 3 for processing.

Taking two partitions as an example, the first partition 4 and the second partition 6 are arranged vertically from left to right in the box body 3, and the first partition 4 and the second partition 6 evenly divide the box body 3. Divided into three compartments with the same volume, wherein there is a gap between the lower end of the first dividing plate 4 and the bottom plate of the box body 3, and a gap is left between the upper end of the second dividing plate 6 and the top plate of the box body 3, which It is a channel that connects two adjacent compartments and allows the gas to enter the next compartment, so that the three compartments are connected to form a tortuous gas channel; along the direction of gas travel, in the first compartment, the box body 3 Three pairs of horizontal support plates 5 are evenly arranged on the opposite side walls of the left side plate and the first partition plate 4, and filter cotton 12 is installed on the support plate 5, the filter cotton 12 adopts synthetic fiber filter cotton, and is the primary effect Filter cotton; in the second compartment, three pairs of horizontal support plates 5 are evenly arranged on the opposite side walls of the first dividing plate 4 and the second dividing plate 6, and filter paper 11 is installed on the supporting plate 5, and the filter paper 11 Use paint mist filter paper; in the third compartment, three pairs of horizontal support plates 5 are evenly arranged on the side wall opposite to the right side plate of the second partition 6 and the box body 3, and the support plates 5 are installed with The bottom is a reticulated holding device, and activated carbon 10 is placed in the holding device; filter cotton 12, filter paper 11 and the holding device are all movably installed on the support plate 5, fixed during use, and can be easily disassembled when replacing.

If more than two partitions are used, the ends of the partitions are staggered and there is a gap between the box body to form a tortuous gas passage, and the filter cotton 12, filter paper 11 and Activated carbon 10 forms more than three levels of treatment equipment.

An inspection door is opened on one side of the casing 3, which is mainly used to replace filter cotton 12, filter paper 11, activated carbon 10 and to clean and overhaul the casing 3.

Main working process and principle of the utility model:

When the car paint room was spraying, the air blower 16 constantly sent fresh air to the upper space in the car paint room inlet pipe 15. As the fresh air continuously enters the upper space in the paint booth, the fresh air will press the waste gas in the paint booth to enter the exhaust box 14 from the lower paint booth exhaust channel 13 .

Under the action of the exhaust fan 8, the waste gas in the exhaust box 14 of the paint baking room will enter the box body 3 through the box body inlet pipe 1 and the air inlet 2. Then flow downward in the compartment surrounded between the left side plate of the casing 3 and the first dividing plate 4. In this compartment, three layers of filter cotton 12 are equidistantly placed on the support plate 5 in this compartment. , the exhaust gas will flow through the three layers of filter cotton 12 in sequence, so that the exhaust gas will be filtered in the first stage. Then the waste gas enters the compartment surrounded by the first partition plate 4 and the second partition plate 6 through the channel between the lower end of the first partition plate 4 and the bottom plate of the box body 3, and the waste gas will flow from bottom to top in this compartment. Three layers of filter paper 11 are equidistantly placed on the support plate 5 in this compartment, and the exhaust gas will flow through the three layers of filter paper 11 in sequence, so that the exhaust gas will be filtered in the second stage. Then the exhaust gas enters the compartment surrounded between the second dividing plate 6 and the right side plate of the box body 3 through the channel between the upper end of the second dividing plate 6 and the top plate of the box body 3, and the exhaust gas will flow from top to bottom in this compartment. Downward flow, three layers of activated carbon 10 are equidistantly placed on the support plate 5 in this compartment, and the exhaust gas will flow through the three layers of activated carbon 10 in sequence, so that the exhaust gas will be filtered in the third stage. So far, the exhaust gas has undergone a total of three stages of filtration. According to actual calculations, at this time, the harmful substances in the exhaust gas have been filtered out and absorbed more than 95%, and the strong pungent odor of the exhaust gas has also been removed, meeting the national emission standards. Finally, the treated waste gas that meets the standard enters the exhaust fan 8 through the exhaust port 7, and then enters the exhaust pipe 9 through the air outlet of the exhaust fan 8 to be safely discharged. The flow of exhaust gas is shown by the arrows in Figure 2.

The utility model has the following benefits:

(1) The utility model is an adsorption waste gas treatment device with simple structure, easy operation and maintenance, and low cost.

(2) Waste gas entering the utility model will be subjected to three-stage adsorption and filtration by filter cotton, filter paper and activated carbon in sequence. The filter effect is good, and the adsorption rate reaches more than 95%.

(3) The dust in the exhaust gas will also be filtered by filter cotton and filter cotton paper, and the strong pungent smell of the waste gas will be absorbed by activated carbon, and the strong pungent smell will be significantly reduced.

(4) The path that the exhaust gas takes in the box of the utility model is a labyrinthine tortuous route, which increases the walking route of the exhaust gas in the filter box, increases the contact opportunity between the exhaust gas and the filter medium, and significantly enhances the filtering effect, effectively solving the problem of The environmental pollution caused by the exhaust gas produced by the car paint room and the health of surrounding residents are damaged.

Claims (7)

1. A multi-stage automobile paint room degassing device, characterized in that: it comprises a casing (3), the casing (3) is connected to the casing intake pipe (1) by offering an air inlet (2), and is passed through Open the exhaust port (7) to connect the exhaust fan (8), and the exhaust fan (8) is connected to the exhaust pipe (9); in the box body (3), at least two side-by-side partitions are arranged to form a zigzag gas channel, and in the zigzag In the gas channel, filter cotton (12), filter paper (11) and activated carbon (10) are sequentially placed along the gas traveling direction. 2. A multi-stage exhaust gas removal device for automotive paint booths according to claim 1, characterized in that: the partitions include first partitions arranged vertically in the box (3) from left to right (4) and the second partition (6), the first partition (4) and the second partition (6) evenly divide the casing (3) into three compartments, wherein the first partition (4) There is a gap between the lower end and the bottom plate of the box (3), and there is a gap between the upper end of the second partition (6) and the top plate of the box (3), so that the three compartments are connected to form a tortuous gas passage ; The air inlet (2) is set at the upper left corner of the casing (3), and the exhaust port (7) is set at the lower right corner of the casing (3). 3. A multi-stage exhaust gas removal device for automotive paint booth according to claim 2, characterized in that: in the three compartments, the box body (3), the first partition (4) and the second partition Three pairs of support plates (5) are respectively arranged on the opposite side walls of the plate (6), and the filter cotton (12) and filter paper (11) are respectively movably installed on the support plates of the first compartment and the second compartment ( 5), the activated carbon (10) is placed in a holding device with a mesh bottom, and the holding device is movably installed on the support plate (5) of the third compartment. 4. A multi-stage exhaust gas removal device for an automotive paint booth according to any one of claims 1-3, characterized in that: an inspection door is set on the box body (3). 5. A multi-stage exhaust gas removal device for a car paint baking room according to claim 4, characterized in that: the exhaust fan (8) is an explosion-proof exhaust fan. 6. A multi-stage exhaust gas removal device for an automobile paint booth according to claim 1, characterized in that: the filter cotton (12) is a primary-effect synthetic fiber filter cotton. 7. A multi-stage exhaust gas removal device for automobile paint booth according to claim 1, characterized in that: the filter paper (11) is paint mist filter paper.