CN215428025U - Waste gas treatment equipment - Google Patents

Waste gas treatment equipment Download PDF

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Publication number
CN215428025U
CN215428025U CN202121376694.0U CN202121376694U CN215428025U CN 215428025 U CN215428025 U CN 215428025U CN 202121376694 U CN202121376694 U CN 202121376694U CN 215428025 U CN215428025 U CN 215428025U
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China
Prior art keywords
pipeline
air inlet
air outlet
waste gas
fan
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CN202121376694.0U
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Chinese (zh)
Inventor
南寿玄
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Dongguan Yejia Electronic Technology Co ltd
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Dongguan Yejia Electronic Technology Co ltd
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Abstract

The utility model provides waste gas treatment equipment which comprises a water rotating tower, a spray tower, a dry type filter box, an activated carbon adsorption cabinet, a catalytic bed, a desorption fan and an adsorption fan. According to the waste gas treatment equipment disclosed by the utility model, the spray painting waste gas is treated by the water rotating tower, the spray tower, the dry type filter box, the activated carbon adsorption cabinet and the catalytic bed, suspended particles and organic matters in the waste gas can be removed, and the treated gas reaches the emission standard.

Description

Waste gas treatment equipment
Technical Field
The utility model relates to the technical field of airtightness detection, and particularly relates to waste gas treatment equipment.
Background
Paint mist and organic waste gas pollution are mainly generated in the paint spraying process. The paint is atomized into particles under the action of high pressure, and when the paint is sprayed, part of the paint does not reach the surface of a painted object and is dispersed with air flow to form paint mist. The harm of paint mist to workers is not negligible, and feasible paint spraying waste gas treatment measures need to be taken in a paint spraying workshop, so that the pollutant emission is reduced, and the health harm of toxic and harmful substances to the workers in the spraying workshop is reduced. In order to prevent the paint mist from causing physical harm to workers and simultaneously prevent the pollution to the atmospheric environment, the paint spraying waste gas treatment equipment is necessary to be provided.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides the waste gas treatment equipment which can effectively treat the paint spraying waste gas, and the treated gas reaches the emission standard.
In order to achieve the purpose, the utility model is solved by the following technical scheme:
an exhaust gas treatment device comprises a water rotating tower, a spray tower, a dry type filter box, an activated carbon adsorption cabinet, a catalytic bed, a desorption fan and an adsorption fan;
the cyclone tower is provided with a first air inlet and a first exhaust port, the first exhaust port is connected with a first pipeline, one end of the first pipeline is connected with a first fan, and one end of the first fan is connected with a second pipeline;
a second air inlet and a second air outlet are formed in the spray tower, one end of the second pipeline is connected with the second air inlet, and a third pipeline is connected to the second air outlet;
a third air inlet and a third air outlet are formed in the dry type filter box, one end of a third pipeline is connected with the third air inlet, and a fourth pipeline is connected to the third air outlet;
a plurality of activated carbon boxes are arranged in the activated carbon adsorption cabinet, a fourth air inlet and a fourth air outlet are arranged on each activated carbon box, a fifth pipeline is connected between the fourth pipeline and the fourth air inlet, and a sixth pipeline is connected on the fourth air outlet;
a fifth air inlet and a fifth air outlet are formed in the catalytic bed, one end of the sixth pipeline is connected with the fifth air inlet, and a seventh pipeline is connected to the fifth air outlet;
a sixth air inlet and a sixth air outlet are formed in the desorption fan, one end of the seventh pipeline is connected with the sixth air inlet, an eighth pipeline is connected to the sixth air outlet, and the eighth pipeline is further connected with the fourth air inlet;
and a seventh air inlet and a seventh air outlet are formed in the adsorption fan, and one end of the fourth pipeline is connected with the seventh air inlet.
Specifically, the middle part of the sixth pipeline is also provided with a second fan.
Specifically, the number of the activated carbon boxes is 6.
Specifically, the dry-type filter box is internally provided with medium-efficiency filter cotton and high-efficiency filter cotton.
Specifically, a ninth pipeline is connected to the first air inlet.
The utility model has the beneficial effects that:
according to the waste gas treatment equipment disclosed by the utility model, the spray painting waste gas is treated by the water rotating tower, the spray tower, the dry type filter box, the activated carbon adsorption cabinet and the catalytic bed, suspended particles and organic matters in the waste gas can be removed, and the treated gas reaches the emission standard.
Drawings
Fig. 1 is a front view of an exhaust gas treatment device of the present invention.
Fig. 2 is a plan view of an exhaust gas treatment device of the present invention.
FIG. 3 is a flow chart of the exhaust gas treatment.
The reference signs are: the system comprises a water rotating tower 1, a spray tower 2, a dry type filter box 3, an activated carbon adsorption cabinet 4, a catalytic bed 5, a desorption fan 6, an adsorption fan 7, a first pipeline 8, a first fan 9, a second pipeline 10, a third pipeline 11, a fourth pipeline 12, an activated carbon box 13, a fifth pipeline 14, a sixth pipeline 15, a seventh pipeline 16, an eighth pipeline 17, a second fan 18, a ninth pipeline 19 and a chimney 20.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1-3:
an exhaust gas treatment device comprises a water rotating tower 1, a spray tower 2, a dry type filter box 3, an activated carbon adsorption cabinet 4, a catalytic bed 5, a desorption fan 6 and an adsorption fan 7;
the water cyclone tower 1 is provided with a first air inlet and a first exhaust port, the first exhaust port is connected with a first pipeline 8, one end of the first pipeline 8 is connected with a first fan 9, one end of the first fan 9 is connected with a second pipeline 10, the first air inlet is connected with a ninth pipeline 19, paint spraying waste gas passes through the ninth pipeline 19 and enters the water cyclone tower 1, the paint spraying waste gas spirally rises through a cyclone tower plate, liquid flow forms a film layer on blades, meanwhile, the liquid drops are sprayed into liquid drops by the air flow, the liquid drops are thrown to the wall of the tower by centrifugal force to form a liquid ring rotating downwards and gradually flow into a liquid collecting tank of the water rotating tower 1, then flows to a blind plate of the next rotational flow tower plate through an overflow port of the liquid collecting tank to carry out multi-stage washing, and paint mist and particulate matters are captured by liquid drops in the air flow motion, the paint mist and the particulate matters are adhered to the tower wall of the water rotating tower 1 again by the liquid ring, so that the paint mist and the particulate matters are efficiently collected;
a second air inlet and a second air outlet are arranged on the spray tower 2, one end of a second pipeline 10 is connected with the second air inlet, a third pipeline 11 is connected on the second air outlet, the paint spraying waste gas treated by the hydro-cyclone tower 1 is introduced into the bottom of the inner side of the spray tower 2 through the second pipeline 10, the paint spraying waste gas passes through a packing layer in the spray tower 2, the paint spraying waste gas is fully contacted with the packing to remove most organic matters, then the paint spraying gas is contacted with a treatment liquid sprayed by a spray head, the chemical reaction of the treatment liquid and the partial organic matters is utilized to reduce the concentration of the organic matters, and the organic matters are discharged from the second air outlet after being dehydrated and demisted through a demisting plate at the top end of the spray tower 2;
a third air inlet and a third air outlet are formed in the dry type filter box 3, one end of a third pipeline 11 is connected with the third air inlet, a fourth pipeline 12 is connected to the third air outlet, paint spraying waste gas treated by the spray tower 2 is conveyed to the third air inlet through the third pipeline 11, the paint spraying waste gas is filtered by the dry type filter box 3, and in order to improve the filtering effect and reduce the concentration of particles in the paint spraying waste gas, middle-effect filter cotton and high-effect filter cotton are arranged in the dry type filter box 3;
a plurality of activated carbon boxes 13 are arranged in the activated carbon adsorption cabinet 4, a fourth air inlet and a fourth air outlet are arranged on each activated carbon box 13, a fifth pipeline 14 is connected between the fourth pipeline 12 and the fourth air inlet, a sixth pipeline 15 is connected to the fourth air outlet, paint spraying waste gas treated by the dry type filter box 3 is introduced into the fourth pipeline 12, the fifth pipeline 14 is connected between the fourth pipeline 12 and the fourth air inlet, and the activated carbon boxes 13 have an adsorption function, so that organic waste gas and particles in the paint spraying waste gas are absorbed into the activated carbon boxes 13 by the activated carbon boxes 13 in the process that the paint spraying waste gas passes through the fourth pipeline 12, and the rest gas is directly absorbed by an adsorption fan 7 at the tail end of the fourth pipeline 12;
a fifth air inlet and a fifth air outlet are formed in the catalytic bed 5, one end of a sixth pipeline 15 is connected with the fifth air inlet, a seventh pipeline 16 is connected with the fifth air outlet, so that the catalytic bed 5 is communicated with the activated carbon adsorption cabinet 4, and the catalytic bed 5 is a catalytic combustion device, and hot air generated by the catalytic bed 5 can desorb and separate organic waste gas attached to an activated carbon layer in the activated carbon tank 13, and is conveyed into the catalytic bed 5 through the sixth pipeline 15, so that the organic waste gas is combusted and decomposed by the catalytic bed 5;
a sixth air inlet and a sixth air outlet are arranged on the desorption fan 6, one end of a seventh pipeline 16 is connected with the sixth air inlet, an eighth pipeline 17 is connected with the sixth air outlet, the eighth pipeline 17 is also connected with the fourth air inlet, and the desorption fan 6 is used for introducing hot air flow processed by the catalytic bed 5 into the activated carbon box 13 for desorption;
the adsorption fan 7 is provided with a seventh air inlet and a seventh air outlet, one end of the fourth pipeline 12 is connected with the seventh air inlet, and the adsorption fan 7 is used for guiding the treated air to be discharged from the chimney 20.
Preferably, the sixth pipeline 15 is further provided with a second fan 18 in the middle.
Preferably, the number of the activated carbon boxes 13 is 6.
And (3) detection: one end of the ninth pipeline 19 is connected to a waste gas exhaust port of the paint spray booth, the waste gas exhaust port of the paint spray booth is used as a detection point, the top end of the chimney 20 is used as a detection point, organic waste gas at the two detection points is detected, and the detection results are shown in the following table 1.
TABLE 1
The performance standards in table 1 refer to the emission limits for the period ii of the printing industry emission standards for volatile organic compounds (DB 44/815-2010).
As can be seen from the test results in Table 1, the content of organic waste gas in the paint spraying waste gas after being treated by the waste gas treatment equipment reaches the emission standard.
The above examples only show one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (5)

1. The waste gas treatment equipment is characterized by comprising a water rotating tower (1), a spray tower (2), a dry type filter box (3), an activated carbon adsorption cabinet (4), a catalytic bed (5), a desorption fan (6) and an adsorption fan (7);
a first air inlet and a first exhaust port are arranged on the water rotating tower (1), a first pipeline (8) is connected to the first exhaust port, a first fan (9) is connected to one end of the first pipeline (8), and a second pipeline (10) is connected to one end of the first fan (9);
a second air inlet and a second air outlet are arranged on the spray tower (2), one end of the second pipeline (10) is connected with the second air inlet, and a third pipeline (11) is connected to the second air outlet;
a third air inlet and a third air outlet are formed in the dry type filter box (3), one end of a third pipeline (11) is connected with the third air inlet, and a fourth pipeline (12) is connected to the third air outlet;
a plurality of activated carbon boxes (13) are arranged in the activated carbon adsorption cabinet (4), a fourth air inlet and a fourth air outlet are arranged on each activated carbon box (13), a fifth pipeline (14) is connected between the fourth pipeline (12) and the fourth air inlet, and a sixth pipeline (15) is connected to each fourth air outlet;
a fifth air inlet and a fifth air outlet are arranged on the catalytic bed (5), one end of the sixth pipeline (15) is connected with the fifth air inlet, and a seventh pipeline (16) is connected to the fifth air outlet;
a sixth air inlet and a sixth air outlet are formed in the desorption fan (6), one end of a seventh pipeline (16) is connected with the sixth air inlet, an eighth pipeline (17) is connected to the sixth air outlet, and the eighth pipeline (17) is further connected with the fourth air inlet;
and a seventh air inlet and a seventh air outlet are formed in the adsorption fan (7), and one end of the fourth pipeline (12) is connected with the seventh air inlet.
2. An exhaust gas treatment device according to claim 1, characterized in that a second fan (18) is arranged in the middle of the sixth pipeline (15).
3. An exhaust gas treatment device according to claim 1, characterized in that the number of activated carbon tanks (13) is 6.
4. An exhaust gas treatment device according to claim 1, wherein the dry filter box (3) is provided with medium-efficiency filter cotton and high-efficiency filter cotton.
5. An exhaust gas treatment device according to claim 1, characterized in that a ninth conduit (19) is connected to the first inlet.
CN202121376694.0U 2021-06-21 2021-06-21 Waste gas treatment equipment Active CN215428025U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121376694.0U CN215428025U (en) 2021-06-21 2021-06-21 Waste gas treatment equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121376694.0U CN215428025U (en) 2021-06-21 2021-06-21 Waste gas treatment equipment

Publications (1)

Publication Number Publication Date
CN215428025U true CN215428025U (en) 2022-01-07

Family

ID=79712157

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121376694.0U Active CN215428025U (en) 2021-06-21 2021-06-21 Waste gas treatment equipment

Country Status (1)

Country Link
CN (1) CN215428025U (en)

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