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On-line washing method of ceramic filter and apparatus therefor

A ceramic filter and cleaning device technology, applied in the directions of filtration and separation, separation methods, chemical instruments and methods, etc., can solve the problems of increasing operating costs, high costs, and impact on filtration output, and achieve the expansion of the scope of use and the improvement of cleaning effects. , the effect of improving the service life

Inactive Publication Date: 2007-06-13
ANHUI TONGGUAN MACHINERY
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  • Abstract
  • Description
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Problems solved by technology

In the process of incomplete clogging, the filtration output is greatly affected, and the cost of replacing a set of ceramic filter plates is also very expensive, with an average of more than 5,000 yuan per square meter
[0003] The blockage of the ceramic filter plate not only increases the operating cost for the user, but also severely restricts the market development of the manufacturing enterprise and the wide application of the energy-saving and environmental protection equipment

Method used

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  • On-line washing method of ceramic filter and apparatus therefor

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Embodiment Construction

[0024] As shown in Figure 1, the online cleaning device of the present invention includes two parts: a cleaning liquid distribution device 1 and a cleaning liquid circulation cleaning device 9, and the cleaning liquid distribution device 1 includes a storage tank 2, a pump 3, an acid distribution tank 4 and a metering pump 5 . The cleaning liquid circulation cleaning device 9 includes a liquid inlet pipe 14 , a circulation pump 13 , a filter 11 , and a liquid discharge pipe 8 . The cleaning process is as follows:

[0025] First the ceramic filter machine of normal operation is parked, put slurry, remove the silt in the ceramic filter plate 17 on the filter machine, the rotor, the tank body 15, and rinse with clean water. Use the pump 3 to pump the concentrated cleaning agent without nitric acid from the storage tank 2 to the acid distribution tank. A level gauge is provided in the acid distribution tank to measure the amount of cleaning agent required for one cleaning. When ...

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Abstract

The present invention relates to a n on-line recycle cleaning method of ceramic filter and its equipment. Said method includes the following steps: (1), stopping ceramic filter, discharging slurry and cleaning with water; (2), adopting acid pickling mode to make the cleaning fluid be fed into ceramic filtering plate by means of reverse-washing pipeline; (3), intervally starting ultrasonic cleaning device to make cleaning operation, at the same time using circulating pump to pump out the cleaning fluid from the filtering channel body interior, filtering said cleaning fluid and making the filtered cleaning fluid be returned into filtering plate by means of reverse-washing pipeline; and (4), stopping cleaning operation and removing residual cleaning fluid from filtering plate interior.

Description

Technical field [0001] The invention relates to a method and a device for cleaning a ceramic filter plate on a ceramic filter. Background technique [0002] Ceramic filter is a solid-liquid separation device designed by using the capillary principle of ceramic micropores-------water-permeable and air-tight. The size of ceramic micropores is generally 0.1-10um. During production and use, the filter cake is adsorbed on the surface of the ceramic filter plate, and the filtrate is sucked away through the micropores of the ceramic filter plate. The reciprocating cycle of such a process will inevitably form chemical scaling and mechanical blockage (deposition of particles and slime) in the micropores, although the equipment is designed with nitric acid cleaning, ultrasonic cleaning and clean water backwashing devices, and every 8 It is used once every 10 hours, but for different filtering objects, the clogging problem still occurs frequently, ranging from less than a month to as ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D33/48B01D33/21
Inventor 林富潮孙克俭龚静魏泉
Owner ANHUI TONGGUAN MACHINERY
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