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A filter screen self-cleaning filter residue device

A self-cleaning and filter technology, which is applied in the direction of fixed filter elements, filter separation, separation methods, etc., can solve the problems of easy clogging of the filter, and achieve the effect of improving filtration efficiency, preventing filter clogging, and smooth working process

Inactive Publication Date: 2019-05-14
CHINA RAILWAY SIXTH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a filter screen self-cleaning filter residue device to solve the technical problem that the filter screen is easy to block in the filter residue equipment existing in the prior art

Method used

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  • A filter screen self-cleaning filter residue device
  • A filter screen self-cleaning filter residue device
  • A filter screen self-cleaning filter residue device

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Embodiment Construction

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0022] It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0023] It is to be understood that the terms "length", "width", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top" , "bottom", "inner", "outer" and other indicated orientations...

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Abstract

The invention provides a residue filtering device with a self-cleaning filter net and belongs to the technical field of filtering devices. The residue filtering device comprises a cylinder and a piston, a paste purifying port communicated with the inside of the cylinder is arranged on the side wall of the cylinder, and a first one-way valve is arranged on the paste purifying port; a sucking and draining port is arranged on the cylinder and externally connected with a residue gathering cavity, the filter net is arranged between the sucking and draining port and the residue gathering cavity, a residue paste incoming pipe and a residue discharging pipe are arranged on the residue gathering cavity, a second one-way valve is arranged on the residue paste incoming pipe, and a position valve opening and closing according to the position of the piston is arranged on the residue discharging pipe; a distance from the sucking and draining port to the end of the cylinder is smaller than that from the paste purifying port to the end of the cylinder. The whole process is performed in one piston circle, and the working process is smooth, so that filtering efficiency is improved greatly, blockage of the filter net is prevented effectively, and maintenance cost is lowered greatly.

Description

technical field [0001] The invention belongs to the technical field of filter devices, and more specifically relates to a filter screen self-cleaning filter residue device. Background technique [0002] At present, tunnel construction with a shield machine has the advantages of high automation, manpower saving, fast construction speed, one-time hole formation, no climate influence, control of ground subsidence during excavation, reduced impact on ground buildings, and underwater excavation. It does not affect ground traffic during excavation, and it is more economical and reasonable to use a shield machine for construction when the tunnel line is long and the buried depth is large. The basic working principle of the shield machine is that a cylindrical steel component is pushed forward along the tunnel axis to excavate the soil. The shell of the cylindrical assembly is the shield, which acts as a temporary support for the excavated, unlined tunnel section, withstands the pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D29/03B01D29/60B01D29/66
CPCB01D29/03B01D29/606B01D29/665
Inventor 郭海井东旭佟新建卢森郑强
Owner CHINA RAILWAY SIXTH GRP CO LTD