Painting equipment with air purifying means

A technology for spraying equipment and air, which is applied in spray booths, injection devices, air quality improvement, etc., and can solve problems such as unwanted emissions of VOC

Inactive Publication Date: 2008-03-12
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As such, VOCs are undesirably emitted to the atmosphere for the disclosed device

Method used

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  • Painting equipment with air purifying means
  • Painting equipment with air purifying means
  • Painting equipment with air purifying means

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] Fig. 1 is a view explaining the basic principle of the painting equipment according to the present invention. The painting apparatus 10 includes a pipe-shaped painting booth 14 that seals an object 11 to be painted, such as a vehicle body, and painting guns 12 and 13 that spray paint mist. Air is blown into the paint spray booth 14 from above the paint spray booth 14, so that paint residues floating in the paint spray booth 14 descend together with the blown air. The painting apparatus 10 also includes a water washing device 30 provided at a lower end portion of the painting booth 14 for washing blown air. The water-washed air is guided from the lower end of the spray booth 14 to a discharge pipe 40 through which the water-washed air is discharged out of the painting installation 10 through a muffler 42 having a built-in filter 41 . In the discharge pipe 40, the painting apparatus 10 further includes adsorbent nozzles 51-53 for spraying a mixed liquid which is a mixtur...

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PUM

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Abstract

Water is sprayed from a water nozzle (32, 33) of a water-washing device to wash polluted air in a painting booth (14), and then, a liquid polymer substance (57) having a character to adsorb a VOC is spayed from an adsorbent spraying nozzle (51 - 53) to remove the VOC from the air. Baffle (43 - 47) is provided in a discharge duct to prevent the VOC-contained mixed liquid mist from moving with the air. Namely, by causing the air to hit the baffle, the VOC-contained mist turns into drops. Through the water-washing by the water-washing device, VOC adsorption by the mixed liquid and mixed liquid mist removal by the baffle, the polluted air can be sufficiently purified.

Description

technical field [0001] The present invention relates to painting equipment capable of effectively reducing the emission of volatile organic compounds (hereinafter referred to as "VOC"). Background technique [0002] Usually, painting equipment uses a large amount of VOC such as toluene to dilute the paint. Since VOCs are air pollutants, it is preferable to reduce the emission of VOCs to the atmosphere. [0003] So far, various methods have been proposed for reducing the emission of VOC from the spray booth to the atmosphere (for example, Japanese Patent Publication No. 3112582). The apparatus disclosed in the No. 3112582 publication comprises means for spraying large quantities of water into a spray space defined in the floor of the spray booth, and for directing all polluted air in the spray booth into the spray space to pass through the spray space Exhaust fans that exhaust contaminated air to the outside of the spray booth. That is, the disclosed apparatus is character...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B15/12
CPCB05B15/1266B01D53/185B01D2257/708B05B14/462Y02A50/20B05B16/00
Inventor 长瀬伴成中泽齐之
Owner HONDA MOTOR CO LTD
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