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A high pressure plate and frame filter press with retractable filter plate

A high-pressure plate and frame and filter press technology, which is applied in filtration separation, separation methods, sludge treatment and other directions, can solve the problem that the conventional plate and frame filter press and diaphragm type plate and frame filter press cannot be completely replaced, and the operation process is long. and other problems, to achieve the effect of easy operation and maintenance, light weight and simple mud discharge

Active Publication Date: 2020-07-28
SOUTH CHINA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the diaphragm plate and frame filter press has some defects. For example, the diaphragm will break after being used for a long time, and the whole operation process is relatively long. When discharging mud, it needs to move one plate after another, which is very time-consuming.
In addition, in terms of manufacturing cost, the diaphragm plate and frame filter press is also relatively high
These reasons limit its application, so that it cannot completely replace the conventional plate and frame filter press

Method used

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  • A high pressure plate and frame filter press with retractable filter plate
  • A high pressure plate and frame filter press with retractable filter plate
  • A high pressure plate and frame filter press with retractable filter plate

Examples

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Embodiment Construction

[0030] The purpose of the present invention will be further described in detail through specific examples below, and the examples cannot be repeated here one by one, but the implementation of the present invention is not therefore limited to the following examples.

[0031] like figure 1As shown, a high-pressure plate-and-frame filter press with a retractable filter plate includes a first fixed plate 1, a second fixed plate 12, a hydraulic device 13 fixed on the second fixed plate, and a horizontal plate supported by a plate frame. The tubes 11 are sequentially movably superimposed on a plurality of combined plate frames 2 arranged between the first fixed plate 1 and the telescopic end of the hydraulic device 13, and the hydraulic stroke of the hydraulic device 13 should be long enough to Open all plates and frames for mud drainage. The first fixed plate 1 and the second fixed plate 12 can be made of conventional steel, and the bottom of the two fixed plates can be fixed on t...

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Abstract

The invention discloses a filter plate stretchable high pressure plate-and-frame filter press. The filter plate stretchable high pressure plate-and-frame filter press comprises a first fixing plate, asecond fixing plate, a hydraulic press fixed on the second fixing plate, and a plurality of combined plate frames, wherein the first fixing plate and the second fixing plate are arranged oppositely,the plurality of combined plate frames are sequentially, movably and horizontally stacked between the first fixing plate and a stretching end of the hydraulic press through a plate frame support horizontal pipe, inner cavities of the various plate frames are sequentially connected in series and then communicated with a sludge injection port, each plate frame is provided with a stretchable filter plate capable of extruding and filtering water of a plate frame material, and the stretchable filter plates are respectively connected with an external vacuum device, an air blowing device and a hydraulic device through a plurality of pipelines. The filter plate stretchable high pressure plate-and-frame filter press has the advantages of simple structure, low manufacturing cost, easiness in operation and maintenance, easiness in installation and dismounting of the filter plate and a filter cloth, convenience in sludge discharge, low energy consumption, adjustable sludge handling capacity and the like, and can be widely popularized and applied.

Description

technical field [0001] The invention relates to a filter press device, in particular to a plate and frame filter press which uses the expansion and contraction of the hydraulic head inside the filter plate to drive the expansion and contraction of the filter plate panel to separate solid and liquid at high pressure. Background technique [0002] The filter press was invented in the early 20th century and was initially used in the sugar industry. It has the characteristics of small footprint, low water content of filter cake and strong adaptability to materials. Initially operated manually, there are problems such as high labor intensity and long cycle time, which limit the popularization and application of filter presses. In the 1950s, the automatic filter press appeared, the performance of the filter press changed fundamentally, the work efficiency was improved, and the filter press began to be used in coal and metallurgy industries. After decades of development, the filte...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D25/21B01D25/32C02F11/122
CPCB01D25/21B01D25/215B01D25/32C02F11/122
Inventor 朱能武马伟文
Owner SOUTH CHINA UNIV OF TECH
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