Dry type venturi paint mist trapping device and application thereof

A Venturi and dry technology, which is applied in the direction of combined devices, dispersed particle separation, chemical instruments and methods, etc., can solve problems such as difficult to be widely used, adhesion of overspray, complex structure, etc., to improve the capture capacity, The effect of reducing the number of replacements and reducing the consumption of filter materials

Active Publication Date: 2015-10-14
周小参
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Some companies also use electrostatic paint mist separation technology, but this system has the problem of being easily adhered by overspray and difficult to remove
In addition, these devices are complex in structure and expensive. Currently, they are only used in some high-end production lines and are difficult to be widely used.

Method used

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  • Dry type venturi paint mist trapping device and application thereof
  • Dry type venturi paint mist trapping device and application thereof
  • Dry type venturi paint mist trapping device and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] This embodiment provides a dry Venturi paint mist collection device, which includes a device casing, each box is an independent unit, the exterior is made of cardboard, and there are multiple rows of paint mist filtering and intercepting units inside. The mist filter and interception units are arranged alternately, and there is a gap between the adjacent paint mist filter and interception units, and the gap and the surfaces of the paint mist filter and interception units on both sides form a suddenly narrowed air flow channel with a Venturi structure. The paint mist filtering and intercepting unit and the cavity between adjacent paint mist filtering and intercepting units form a paint mist separation mechanism. The paint mist filter and interception unit is a filter column with a rhombus or square cross-section. The longer diagonals of the cross-section of the filter column in the same row are in the same straight line, and each air flow channel with a rapidly decreasing...

Embodiment 2

[0067] refer to Figure 2-Figure 6As shown, this embodiment provides a dry Venturi paint mist collection device similar to the embodiment, the difference from Embodiment 1 is that the material of the paint mist filtering and intercepting unit is a non-woven material.

Embodiment 3

[0069] refer to Figure 2-Figure 6 As shown, this embodiment provides a dry Venturi paint mist collection device similar to the embodiment, the difference from Embodiment 1 is that the density of the material used in the paint mist filter and interception unit is in the main flow direction of the air Gradually get bigger.

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Abstract

The invention relates to a dry type venturi paint mist trapping device. The device comprises a shell, wherein multiple rows of paint mist filtration and interception units arrayed in a cross manner are arranged in the shell, a gap is left between each two adjacent paint mist filtration and interception units in the same row, and the gap and the surfaces of the paint mist filtration and interception units at two sides form an air flowing channel of a venturi structure. The paint mist trapping device filters and intercepts paint particles in a filtration manner at the early stage and in a filtration and impact force co-existing manner at the late stage. By virtue of the venturi structure, the amount of paint particles intercepted and captured through the impact force can be greatly increased. Besides, the invention further relates to a dry type paint spraying system with the dry type venturi paint mist trapping device. The paint mist trapping device is arranged at the exhaust opening of the paint spraying system, so as to separate paint mist in the air. Compared with the prior art, the dry type venturi paint mist trapping device has a strong capture and absorption capability for paint mist, and the environment pollution and energy consumption can be greatly reduced.

Description

technical field [0001] The present invention relates to the field of industrial painting, especially to the field of capturing, separating and collecting painting mist, in particular to a dry Venturi paint mist collecting device and its application, which are widely used in coatings of automobiles, hardware, home appliances, toys, etc. Pack. Background technique [0002] With the rapid development of China's economy, environmental pollution has become more and more serious. In most parts of our country, human pollution of air, soil and water has far exceeded the capacity of nature. In recent years, smog has occurred frequently, and water pollution and soil pollution have become more and more serious. Painting is a highly polluting and energy-intensive industry. During the coating production process, a large amount of exhaust gas, waste liquid and solid waste will be generated. In order to maintain the constant temperature and humidity conditions required for painting, pa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D46/00B01D50/00
CPCB01D46/00B01D50/00
Inventor 周小参
Owner 周小参
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