Coating circulating system cleaning technology

A recycling system and coating technology, applied in the direction of spraying device, etc., can solve the problem of two-way cost waste, achieve the effect of saving cost, enhancing flexibility, and avoiding large-cost investment

Inactive Publication Date: 2016-05-04
CHANGAN MAZDA AUTOMOBILE
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  • Abstract
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  • Claims
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Problems solved by technology

In order to avoid the two-way cost waste of directly replacing the new pipeline circulation system in the workshop and the vacancy of the crude oil paint circulation system caused by it, a set

Method used

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  • Coating circulating system cleaning technology

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[0037] The present invention will be further clarified below in conjunction with the drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and not to limit the scope of the present invention. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" "Respectively refers to the direction toward or away from the geometric center of a particular component.

[0038] Such as figure 1 As shown, a coating recycling system cleaning technology is a set of oily to water-based coating recycling system cleaning technology, including the following steps:

[0039] (1) The first QX-Ⅱ solvent cleaning:

[0040] (1) Push out the paint in the system and press out the remaining paint in the pipeline with air until air is released from the return pipe 1;

[0041] (2) Injec...

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Abstract

The invention relates to the technical field of coating system cleaning, in particular to a coating circulating system cleaning technology which is a set of coating circulating system cleaning technology realizing conversion from oiliness to aquosity, comprising the following steps: cleaning a QX-II solvent for the first time: (1) pumping out a coating in the system and pressing out residual coating in a pipeline with air until only air comes out from a return pipe; and (2) infiltrating the QX-II solvent, starting a pump for solvent circulation for a period of time and then stopping the pump, pumping out the solvent in the system and purging with air until only air exists in the return pipe. According to the technical scheme of the invention, the technology has the following beneficial effects: 1. saving cost for directly changing a new pipeline circulating system for a workshop; 2. avoiding resource waste in idling of a crude oil coating circulating system caused by change of the new circulating system; and 3. strengthening the flexibility of the coating in switching among systems, thus facilitating daily production requirements and avoiding high cost and investment of change of a new pipeline in each time of switching.

Description

technical field [0001] The invention relates to the technical field of coating system cleaning, in particular to a paint circulation system cleaning technology. Background technique [0002] The paint circulation system in the painting workshop is a series of circulation mechanisms that can ensure the normal supply of the required paint when the car body is sprayed; under normal circumstances, one color corresponds to one system; in this painting VOC project renovation, it involves If oil-based paint is completely replaced by water-based paint, then the corresponding paint circulation system must be changed accordingly. In order to avoid the two-way cost waste of directly replacing the new pipeline circulation system in the workshop and the vacancy of the crude oil paint circulation system caused by it, a set of unique paint circulation system cleaning technology has been developed to achieve continuous maintenance on the oil paint circulation system. The purpose of normal ...

Claims

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Application Information

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IPC IPC(8): B05B15/02
CPCB05B15/55
Inventor 卢杨杰
Owner CHANGAN MAZDA AUTOMOBILE
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