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Full-automatic melt filter

A melt filter, fully automatic technology, applied in the fields of filtration and separation, chemical instruments and methods, separation methods, etc., can solve the problem that the melt filter can only be switched manually, achieve smooth switching action, reduce labor costs, increase The effect of the service life

Active Publication Date: 2011-08-31
ZHEJIANG YUFENG MACHINERY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the technical problem that the existing melt filters can only be switched manually, the present invention provides a fully automatic melt filter that can be switched automatically, thereby reducing the labor intensity of workers and making the switching between filters more stable.

Method used

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Examples

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Embodiment Construction

[0041] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0042] like figure 1 , 2As shown, the first embodiment of a fully automatic melt filter of the present invention includes first and second tank bodies 1, 2, each set of tank bodies is provided with a filter element assembly, and the first tank body is provided with There are first inlet and outlet ports, the first inlet and outlet valves are respectively connected to the first inlet and outlet valves, and the top of the pipeline between the first tank outlet and the outlet valve is provided with a first row The steam valve 3 communicates with the first tank body 1; the second tank body 2 is provided with a second inlet and outlet, and the second inlet and outlet are respectively connected with a second inlet and outlet valve. The top of the pipeline between the discharge port of the second tank body and the discharge valve is provided wi...

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Abstract

The invention relates to a full-automatic melt filter, which is characterized in that a feed valve, a discharge valve, a steam exhaust valve and a booster pump of the melt filter are motor-driven components which are subjected to automatic control by a PLC (programmable logic controller) program, thereby realizing the automatic switching filtration of melts, so that the switching operation is stable and uniform; after the melt filter runs normally, the adjustment on valves can be realized without labor forces, thereby reducing the labor charges; and the starting and closing of the valves are automatically controlled by a motor, and the torque for each operation is same, so that the damage on the operated valves can be reduced, thereby prolonging the service time of the valve.

Description

technical field [0001] The invention relates to a polymer melt filtering equipment, in particular to a full-automatic melt filter. Background technique [0002] In the process of polymer production and processing, it is often necessary to use filters to filter out impurities in the melt, and the filtration process needs to be carried out continuously. In order to ensure uninterrupted production and processing and ensure that the melt temperature and melt pressure cannot fluctuate greatly, the filter currently used is to set two sets of filter devices between the two three-way valves. The filter device consists of a tank body and a filter element. Components, that is, there is a filter element assembly in the tank body, and a feed port and a discharge port are respectively provided on the tank body. The feed port and the discharge port are respectively connected with two three-way valves. One set of filter elements is in working condition. When there are too many impurities ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D35/12
Inventor 李延平郑根元叶中华潘益中张振文
Owner ZHEJIANG YUFENG MACHINERY CO LTD