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A dry spray cabinet and method for treating paint spraying waste gas

A waste gas and dry technology, applied in the field of spray painting, can solve the problems of increased energy consumption, inconvenient use, and inability to stop the machine, and achieve the effects of not easy to fall off, reduce the cost of use, and improve the effect of energy saving

Active Publication Date: 2018-12-21
邓杰帆 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, most of the dry spray cabinets on the market need to be manually started and stopped frequently, which is inconvenient to use, and sometimes the machine cannot be stopped in time, which increases energy consumption

Method used

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  • A dry spray cabinet and method for treating paint spraying waste gas
  • A dry spray cabinet and method for treating paint spraying waste gas
  • A dry spray cabinet and method for treating paint spraying waste gas

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0051] Such as Figure 1-2 As shown, a dry-type spray cabinet for treating spray paint exhaust gas includes a spray cabinet main body 1, an induced draft fan 2 and a control box 3, and the spray cabinet main body 1 includes a waste gas treatment chamber, a top plate 11 and an ash collecting hopper 12, and the ash collecting hopper 12 is set At the bottom of the waste gas treatment chamber, the waste gas treatment chamber is connected with the induced draft fan 2, and a filter layer 4 is arranged in the waste gas treatment chamber, and the edge of the filter layer 4 is fixed on the inner wall of the waste gas treatment chamber. The induction device 5 and the induced draft fan 2 are electrically connected with the control box 3 .

[0052] The present invention uses the infrared induction device 5 to automatically control the start and stop of the spray cabinet, eliminating the need for operators to frequently walk and start and stop the machine, and improving the energy-saving e...

Embodiment 2

[0073] The difference between this embodiment and embodiment 1 is:

[0074] A method for treating exhaust gas from spray painting, comprising the following steps:

[0075] Spray treatment: Atomize the exhaust gas treatment liquid and spray it on the exhaust gas from spray painting. The waste gas treatment liquid absorbs and decomposes the organic pollutants in the exhaust gas from spray painting; in this embodiment, the exhaust gas treatment liquid is a plant-based deodorant.

[0076] Further, the plant-based deodorant comprises the following components in mass percentage:

[0077]

[0078] Filtration and adsorption: the dust and macromolecular substances of spray paint exhaust gas contact with the filter layer 4 and are adsorbed by the filter layer 4;

[0079] Collection of large particles: the pulse blowback nozzle 7 blows the pollutants adhering to the filter layer 4 into the ash collecting hopper 12, and the ash collecting hopper 12 collects the large particles in the ...

Embodiment 3

[0088] The difference between this embodiment and embodiment 1 is:

[0089] A method for treating exhaust gas from spray painting, comprising the following steps:

[0090] Spray treatment: Atomize the exhaust gas treatment liquid and spray it on the exhaust gas of spray painting. The exhaust gas treatment liquid absorbs and decomposes the organic pollutants in the exhaust gas of spray paint; among them, the exhaust gas treatment liquid is O 3 .

[0091] Filtration and adsorption: the dust and macromolecular substances of spray paint exhaust gas contact with the filter layer 4 and are adsorbed by the filter layer 4;

[0092] Collection of large particles: the pulse blowback nozzle 7 blows the pollutants adhering to the filter layer 4 into the ash collecting hopper 12, and the ash collecting hopper 12 collects the large particles in the exhaust gas of spraying paint;

[0093] Gas suction: the induced draft fan 2 sucks the purified spray paint waste gas;

[0094]Wherein, the s...

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Abstract

The invention relates to the technical field of paint spraying and coating, in particular to a dry type spray booth and a method for treating paint spraying waste gas. The dry type spray booth comprises a spray booth body, an induced draft fan and a control cabinet, wherein the spray booth body comprises a waste gas treatment chamber, a top plate and a dust hopper, the dust hopper is arranged at the bottom of the waste gas treatment chamber, the waste gas treatment chamber is connected with the induced draft fan, a filter layer is arranged in the waste gas treatment chamber, an infrared sensor is arranged at the front end of the top plate, and the infrared sensor and the induced draft fan are connected with the control cabinet respectively. The invention further provides the method for treating the paint spraying waste gas. The method comprise steps of spraying treatment, filtering adsorption, large-particle collection, gas suction and the like, and starting and ending of the spraying treatment step and the gas suction step are controlled by the aid of the infrared sensor. The spray booth and the method have the advantages as follows: the paint spraying waste gas removal effect is good, the cost is low, starting and ending of paint spraying waste gas treatment procedures can be controlled automatically, use is convenient, and the energy-saving effect is good; the filter layer has good antistatic ability and flexibility and is durable.

Description

technical field [0001] The invention relates to the technical field of painting and coating, in particular to a dry-type spraying cabinet and a method for treating waste gas from spraying. Background technique [0002] During the painting process, in order to ensure the air quality in the workshop, a paint exhaust gas collection device is generally installed at the spraying point in the workshop. The purpose is to ensure the air quality in the workshop and to remove the paint mist in advance for the subsequent exhaust gas treatment to reduce the subsequent treatment pressure. [0003] At present, the method of pretreatment of paint mist generally uses water curtain cabinets to collect waste gas, but water curtain cabinets will generate waste water and cause secondary pollution. If the treatment requires large investment and operating costs. The dry-type spray cabinet adopts a high-density filter layer, and the paint mist is absorbed in the filter layer. When the filter layer...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05B14/43B05B14/46B01D46/30B01D53/78A61L9/01A61L9/015A61L9/013B05D7/24A61L101/56A61L101/06A61L101/10A61L101/22A61L101/02
CPCA61L9/01A61L9/013A61L9/015A61L2209/21A61L2209/211A61L2209/212B01D46/30B01D53/78B01D2251/10B01D2251/104B01D2251/106B01D2251/108B01D2257/7027B01D2257/704B01D2257/91B05B14/43B05B14/46B05D7/24
Inventor 邓杰帆吴永光
Owner 邓杰帆