Detergent for cleaning ceramic filtering plate

A cleaning agent and ceramic filter technology, applied in the field of cleaning agents, can solve the problems of wide application constraints of market development, energy-saving and environmental protection equipment, impact of filtration output, increased operating costs, etc., to achieve wide application range, good cleaning effect, and improved use The effect of longevity

Inactive Publication Date: 2009-08-05
ANHUI TONGGUAN MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1: Taking the copper concentrate sand pulp of Dexing Copper Mine as an example, in the beneficiation process, gold, molybdenum and sulfur are selected, and finally copper is selected. The beneficiation agent added in the beneficiation is 111 # (Frother), MAC-12, Xanthate, Butyl Xanthate, Lime, Sodium Sulfide, Sodium Phosphate Six Tablets. It is the addition of these beneficiation agents, and the particle size of the pulp is -400 mesh accounting for 70%, which makes the ceramic filter plate prone to chemical scaling and mechanical clogging. The service life (clogging period) of the ceramic filter plate before cleaning is less than 6 months, and the average processing capacity of the ceramic filter in use is 248.3Kg / m 2 h. After the filter plate is cleaned by the above-mentioned method with the cleaning agent of the present invention, the processing capacity of the ceramic filter increases to 452.6Kg / m in use 2 h, the service life of the ceramic filter plate is ...

Embodiment 2

[0017] Example 2: Taking Yinshan Mining Company's sulfur concentrate sand pulp as an example, in the beneficiation process, lead, zinc, copper, and finally sulfur were selected in the beneficiation, and the beneficiation agents added in the beneficiation were 111 # (foaming agent), lime, xanthate, thiamine, MOS # , MA-1 # . It is the addition of these beneficiation agents, and the particle size of the pulp is -300 mesh, accounting for 80%, so that the service life (clogging period) of the ceramic filter plate before cleaning is 10 months, and the average processing capacity of the ceramic filter is 365.3 Kg / m 2 h. After the filter plate is cleaned by the above method with the cleaning agent of the present invention, the processing capacity of the ceramic filter increases to 616.7Kg / m in use 2 h, the service life of the ceramic filter plate is extended to 18 months, and the processing capacity of the filter machine is increased by 68.8% after comparison, and the service lif...

Embodiment 3

[0018] Example 3: Taking Huaibei Jinsheng Iron Concentrated Sand Slurry as an example, during the beneficiation process, the ore mainly comes from the Anqing Copper Mine. Firstly, the copper is selected, and the beneficiation agents xanthate and pine oil are added; then the iron is selected for desulfurization, and the beneficiation agent sulfuric acid is added. , to get magnetite. Finally, in Huaibei Jinsheng Concentrator, a ceramic filter is used to filter the magnetite pulp from Anqing Copper Mine and pyrite pulp and hematite pulp from other mines. The particle size of the pulp is -400 mesh, accounting for 70%. In the filtration, the service life (clogging period) of the ceramic filter plate before cleaning is 8 months, and the average processing capacity of the ceramic filter in use is 350.9Kg / m 2 h. After the filter plate is cleaned by the above-mentioned method with the cleaning agent of the present invention, the processing capacity of the ceramic filter increases to 6...

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PUM

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Abstract

The invention is a cleaning agent for cleaning a ceramic filter plate, which comprises 0.1-5% nitric acid, 0.1-5% hydrochloric acid, 0.2-3% hydrofluoric acid, and 0.1-5% oxalic acid of aqueous solution. Under the combined action of nitric acid, hydrochloric acid, and hydrofluoric acid, it can achieve mixed dirt such as carbonate, silicate, sulfate, phosphate, sulfide, hydroxide, and slime under normal temperature and pressure conditions. The cleaning effect is good, and the application range is wide, which can improve the service life of the filter plate and expand the application range of the ceramic filter.

Description

Technical field [0001] The invention relates to a cleaning agent for cleaning ceramic filter plates on a ceramic filter machine. 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 a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11D7/08B01D41/04
Inventor 林富潮龚静魏泉
Owner ANHUI TONGGUAN MACHINERY
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