Coating filtering device with alarm function

A filter device and coating technology, applied in the direction of filtration separation, separation methods, chemical instruments and methods, etc., can solve problems such as increasing labor and time, affecting normal production, and poor coating flow, so as to reduce cleaning times and alleviate stirring problems , Enhance the effect of uniformity

Inactive Publication Date: 2009-11-18
ANGANG STEEL CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, because the filter device still has a small cross-sectional area, when impurities accumulate more, it is easy to cause the problem that the impurities

Method used

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  • Coating filtering device with alarm function

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[0014] The present invention will be further described below with reference to the drawings.

[0015] It can be seen from the drawings that the paint filter device with alarm function of the present invention is composed of a housing 1, a pressure sensor 2, a housing inner ring 3, an end cover 4, a short tube 5, a sealing gasket 6, an annular elastic body 7, a filter screen 8, The filter frame 9 and the external alarm connected with the pressure sensor 2 are composed.

[0016] The shape of the housing 1 of the filter device is a hollow cylinder. A short pipe 5 connected to the external paint pipe is welded to the center of the upper end of the housing 1. The lower end of the housing 1 is an open end; The inner ring 3 of the shell is welded to the lower part. The side of the cylindrical shell 1 is provided with an opening, and the opening is used to install the pressure sensor 2. The open end of the pressure sensor 2 is provided with an elastic sealing film, and the elastic sealing...

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Abstract

The invention relates to a coating filtering device with alarm function. A cylindrical shell with an inner ring welded at the lower part of the inner wall is in threaded connection with a groove-shaped end cover, a filter screen support with a filter screen is welded on an underpan of the end cover, the filter screen is tightly compressed at the lower part of the inner ring of the shell by a circular elastomer mounted between the shell and the end cover, and a pressure sensor connected with an external alarm is mounted on the shell. The height of the shell and the diameter size of a cylinder are changed to adjust an effective filter area and suit the requirements for the production of coating steel plates; the internally arranged filter screen has a large surface area so that the upper part can still filter coatings even if impurities are piled at sides; and the pressure sensor drives the alarm to act when pressure increases so as to solve the problem in time, avoid a coating flying phenomenon because of the crack of the filter screen, overcome a flooding phenomenon generated in lacquer trays in the production process of the coating steel plates and improve the surface quality of coating plates.

Description

technical field [0001] The invention belongs to the field of coating and plating processing equipment for cold-rolled steel strips, in particular to a device for filtering color paint used in cold-rolled coated steel plates. Background technique [0002] In the production process of cold-rolled color-coated steel sheets, the paint is directly poured into the paint pan through the paint supply pump from the material bucket through the pipeline. The paint pan has an overflow port, and a part of the paint is transferred to the surface of the running strip by the coating roller. The other part flows back into the bucket through the overflow pipe through the overflow port, and the reciprocating cycle constitutes the paint circulation system. There are many types of coatings used for color-coated steel sheets. Common ones include fluorocarbon coatings, ordinary polyester coatings, high-durability polyester coatings, and silicon-modified coatings. The thinners and solvents used in ...

Claims

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Application Information

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IPC IPC(8): B01D35/02
Inventor 侯选东徐承明王东李嫱黄刚侯俊峰陈义庆
Owner ANGANG STEEL CO LTD
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