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Membrane filter plates used for electro-osmosed sludge, membrane filter press and filter press

A membrane filter plate and membrane pressure filtration technology, which is applied in the direction of dewatering/drying/concentrating sludge treatment, etc., can solve the problems of not achieving the purpose of sludge reduction and reducing the calorific value of sludge.

Active Publication Date: 2014-09-10
SOUND ENVIRONMENTAL RESOURCES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The high-pressure diaphragm box-type filter press can reduce the moisture content of sludge from 80-90% to below 60% of the landfill standard, but a large amount of quicklime and iron salt must be added, and the additives account for more than 20% of the sludge dry basis.
Therefore, the purpose of sludge reduction is not achieved, and the calorific value of sludge is further reduced

Method used

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  • Membrane filter plates used for electro-osmosed sludge, membrane filter press and filter press
  • Membrane filter plates used for electro-osmosed sludge, membrane filter press and filter press
  • Membrane filter plates used for electro-osmosed sludge, membrane filter press and filter press

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Embodiment Construction

[0032] For ease of understanding, the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0033] figure 1 As shown, the dehydration device includes: 1-rectifier power supply, 2-anode cable, 3-cathode cable, 4 mud storage tank, 5, 6, 7-one-way valve, 8-frame, 9-cathode conductive filter, 10-anode copper bar, 11-cathode copper bar, 12-mud cake, 13-diaphragm filter plate, 14-anode plate, 15-filter cloth, 16-hydraulic station, 17-material conveyor, 18-press water pipe, 19 - squeeze pump, 20 - air compressor, 21 - sludge screw pump, 22 - sludge channel; 23 - handle, 24 - squeeze water channel, 25 - diaphragm cavity, 26, 26 - drainage channel, 27 - diaphragm plate, 28-solid plate, 29-cathode electric nose.

[0034] figure 1 1. Structural schematic diagram of electro-osmotic membrane filter press, anode cables 2 and 3 are respectively connected to rectifier power supply 1, and anode cables 2 and 3 are respecti...

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Abstract

The invention discloses membrane filter plates used for electro-osmosed sludge, a membrane filter press and a filter press. Each membrane filter plate is also provided with a relatively sealed membrane cavity formed by two membrane plates, wherein the membrane cavities are communicated with pressing water pipes; solid plates are arranged in the middle of the membrane cavities; filter cloths are arranged on the two sides of the membrane filter plates; cathode conductive filter screens are arranged on the backs of the filter cloths as liners and are connected with a cathode copper bar; grids of the cathode conductive filter screens are fit with sunk areas of the membrane filter plates; units are formed by the two parallel cathode membrane filter plates and form a relatively sealed sludge storage cavity; the sludge storage cavity is separated into two independent spaces by an anode plate connected with an anode copper bar. A sludge electro-osmotic dewatering device has a simple structure, operates reliably, can achieve reduction of the moisture content of the sludge below 50%, and improves the dewatering efficiency by 2-3 times compared with the membrane filter press.

Description

technical field [0001] The invention relates to the field of sludge disposal equipment components, in particular to an electroosmotic sludge high-pressure diaphragm filter press device. Background technique [0002] Domestic sludge contains a large amount of water, organic and inorganic pollutants, which will cause new pollution without treatment. Especially in areas with a high level of urbanization, the problem of sludge disposal has become very prominent. Among the existing sludge treatment technologies, sludge drying technology is currently the most urgent problem to be solved. [0003] "Standards for Pollution Control of Domestic Waste Landfill Sites" GB / T23480-2009 clearly stipulates that the treated sludge from domestic sewage treatment plants with a moisture content of less than 60% can enter the domestic waste landfill for landfill disposal. [0004] At present, in order to meet the requirements of sludge subsequent treatment and disposal technologies (such as san...

Claims

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Application Information

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IPC IPC(8): C02F11/12
Inventor 孟龙才建成陈桦曹儒耀孙力
Owner SOUND ENVIRONMENTAL RESOURCES
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