CN103589526B - Cleaning agent for filter cloth for copper concentrate filtering - Google Patents
Cleaning agent for filter cloth for copper concentrate filtering Download PDFInfo
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- CN103589526B CN103589526B CN201310553363.3A CN201310553363A CN103589526B CN 103589526 B CN103589526 B CN 103589526B CN 201310553363 A CN201310553363 A CN 201310553363A CN 103589526 B CN103589526 B CN 103589526B
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Abstract
The invention relates to a cleaning agent for filter cloth for copper concentrate filtering. Residue matters and plugging particles of the surface of the filter cloth are analyzed, so that two kinds of inorganic acids, namely acetic acid and hydrofluoric acid which have a mutually-promoting role on a cleaning effect are determined at first. Then, in order that reaction of acids and silk threads or particle matters in fibers of the filter cloth is more complete, a nonionic penetrating agent JFC-E (a kind of fatty alcohol-polyoxyethylene ether) is added in acids, and therefore the aqueous cleaning agent with a significant cleaning effect is prepared. The acetic acid concentration of the cleaning agent is 9-15 percent, the hydrofluoric acid concentration is 0.5-1.5 percent, and the JFC-E concentration is 0.1-0.3 percent. As the two kinds of inorganic acids with the mutually-promoting role are adopted to react with the residue matters of the surface of the filter cloth, particles on the surface of the filter cloth can be effectively removed. Meanwhile, as the nonionic penetrating agent JFC-E is added, the cleaning agent can penetrate among the silk threads or fibers of the filter cloth to react with the plugging particles, the cleaning effect is greatly increased, and the production cost is reduced.
Description
Technical field
The present invention relates to filter cloth cleaning and regeneration technical field, particularly relate to the clean-out system of Copper Concentrate Filtration filter cloth used.
Background technology
With copper for main association has the Cu-Mo separation of molybdenum often to exist with porphyry copper type, the ore dressing of porphyry copper has history decades in China, and bulk flotation-copper-sulfur separating process is the beneficiation method that process porphyry copper the most generally uses.In porphyry Cu-Mo deposit, be generally copper, molybdenum, sulphur three kinds of mineral paragenesiss.Along with developing on a large scale porphyry copper mine stone in the last few years, the ore of Yi Caiyi choosing is day by day exhausted, and the existing porphyry copper mine of China is mostly " poor, thin, assorted " refractory ore.And along with the transition of China's Economic Development Mode, require higher to the utilization ratio of ore, to make to make full use of ore in separation by ore floatation ore particles mill get thinner less, this just gives the sorting of Copper Ores, reclaim and bring certain difficulty.
In Copper Concentrate Filtration dehydration, because copper ore concentrates contains a large amount of high alkalinity flotation reagent, slurry viscosity is very large, and granularity is less, cause filter cloth to be easy to blocking, and filter cloth is difficult to cleaning, filter ability does not reach normal value, needs often to change filter cloth during filtration, adds production cost.The cleaning of common filter cloth adopts physical cleaning method mostly, such as on filter, installs washing unit additional, removes filter cloth surface particle by the method such as rinsing, ultrasonic.
The present invention is directed to filter cloth used in Copper Concentrate Filtration, with filter cloth blocking for inefficacy mechanism, by analyzing filter cloth surface plugging particle, proposing one preferably clean-out system configuration, thus improving pressure filter production efficiency, saving production cost.
Summary of the invention
Technical problem to be solved by this invention is that the cleaning of Copper Concentrate Filtration filter cloth used is comparatively difficult, has influence on the efficiency of filtration.The configuration of its a kind of chemical to the effect that proposed for Copper Concentrate Filtration filter cloth used, can make the relative clean water of cleaning performance improve more than 70%, thus improve filtration efficiency, and save filter cloth, save production cost.
The present invention solves the problems of the technologies described above adopted technical scheme:
The present invention relates to the configuration of clean-out system when Copper Concentrate Filtration filter cloth used cleans.In conjunction with filter cloth surface residuals and plugging particle analysis, first acetic acid and two kinds, hydrofluoric acid have mutual promoting action mineral acid to cleaning performance is determined, then in order to make acid react more complete with filter cloth silk thread or interfibrous particulate matter, nonionic penetrant (JFC) is with the addition of in acid---fatty alcohol-polyoxyethylene ether, cleaning performance is improved, thus makes the aqueous cleaning agent of remarkable cleaning performance.
Cleaning agent formula following (volumetric concentration, with 1 premium on currency for benchmark):
Acetate concentration is 9% ~ 15%,
Hydrofluoric acid concentration is 0.5% ~ 1.5%,
Fatty alcohol-polyoxyethylene ether concentration is 0.1% ~ 0.3%.
The general formula of fatty alcohol-polyoxyethylene ether is R-O-(CH2CH2O) n-H, R is saturated or unsaturated alkyl, and the present invention adopts C7 ~ 9, and n is the fatty alcohol-polyoxyethylene ether of 5.
The formula of described clean-out system, is characterized in that described clean-out system reusable 3 ~ 5 times.
Compared with prior art, the invention has the advantages that: have significant cleaning performance to blocking filter cloth, more than 70% is improved than common backwashing manner cleaning performance, thus effectively raise the production efficiency of pressure filter, effectively prevent the problem that filter cloth needs because blocking is hardened often to change, extend filter cloth work-ing life, save production cost.
Embodiment
Below in conjunction with example, the invention will be further described, but it should be noted that these embodiments only for illustration of system and method for the present invention, and can not by limit of the present invention in this.
Embodiment 1:
Compound concentration is 9% acetic acid, the aqueous solution that 0.5% hydrofluoric acid and 0.1% fatty alcohol-polyoxyethylene ether form, and the filter cloth used to Copper Concentrate Filtration cleans, and cleaning performance (characterizing with permeability rate) improves 81% than clean water, obtains good cleaning performance.
Embodiment 2:
Compound concentration is 9% acetic acid, the aqueous solution that 1% hydrofluoric acid and 0.2% fatty alcohol-polyoxyethylene ether form, and the filter cloth used to Copper Concentrate Filtration cleans, and cleaning performance (characterizing with permeability rate) improves 78% than clean water, obtains good cleaning performance.
Embodiment 3:
Compound concentration is 12% acetic acid, the aqueous solution that 1% hydrofluoric acid and 0.1% fatty alcohol-polyoxyethylene ether form, and the filter cloth used to Copper Concentrate Filtration cleans, and cleaning performance (characterizing with permeability rate) improves 93% than clean water, obtains good cleaning performance.
Embodiment 4:
Compound concentration is 12% acetic acid, the aqueous solution that 1.5% hydrofluoric acid and 0.2% fatty alcohol-polyoxyethylene ether form, the filter cloth used to Copper Concentrate Filtration cleans, and cleaning performance (characterizing with permeability rate) improves 83% than clean water, obtains good cleaning performance.
Embodiment 5:
Compound concentration is 15% acetic acid, the aqueous solution that 1.5% hydrofluoric acid and 0.3% fatty alcohol-polyoxyethylene ether form, the filter cloth used to Copper Concentrate Filtration cleans, and cleaning performance (characterizing with permeability rate) improves 85% than clean water, obtains good cleaning performance.
The purging method of copper ore concentrates pressure filtration of the present invention multifilament filter cloth used, can also make other changes in different forms on the basis of the above description for those of ordinary skill in the field.Here exhaustive without the need to also giving all embodiments.All similar replacements and change apparent to those skilled in the art, they are deemed to be included in spirit of the present invention, scope and content.
Claims (1)
1. the clean-out system of a Copper Concentrate Filtration filter cloth used; It is characterized in that, with 1 premium on currency for benchmark, the volumn concentration of component is as follows:
Acetate concentration is 9% ~ 15%,
Hydrofluoric acid concentration is 0.5% ~ 1.5%,
Fatty alcohol-polyoxyethylene ether concentration is 0.1% ~ 0.3%; Described fatty alcohol-polyoxyethylene ether is R-O-(CH2CH2O)
5-H; R is the saturated or unsaturated alkyl of C7 ~ 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310553363.3A CN103589526B (en) | 2013-11-07 | 2013-11-07 | Cleaning agent for filter cloth for copper concentrate filtering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310553363.3A CN103589526B (en) | 2013-11-07 | 2013-11-07 | Cleaning agent for filter cloth for copper concentrate filtering |
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| Publication Number | Publication Date |
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| CN103589526A CN103589526A (en) | 2014-02-19 |
| CN103589526B true CN103589526B (en) | 2015-05-06 |
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| CN201310553363.3A Active CN103589526B (en) | 2013-11-07 | 2013-11-07 | Cleaning agent for filter cloth for copper concentrate filtering |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105176714B (en) * | 2015-07-15 | 2018-09-25 | 湖北瑞锶科技有限公司 | A kind of pmida canvas press cloth cleaning method |
| CN105861190B (en) * | 2016-04-01 | 2018-08-17 | 周昌明 | A kind of detergent for washing bean product filter cloth |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1978616A (en) * | 2005-12-09 | 2007-06-13 | 安徽铜都特种环保设备股份有限公司 | Detergent for cleaning ceramic filtering plate |
| CN101356629A (en) * | 2005-11-09 | 2009-01-28 | 高级技术材料公司 | Composition and method for recycling semiconductor wafers having low-K dielectric materials thereon |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101356629A (en) * | 2005-11-09 | 2009-01-28 | 高级技术材料公司 | Composition and method for recycling semiconductor wafers having low-K dielectric materials thereon |
| CN1978616A (en) * | 2005-12-09 | 2007-06-13 | 安徽铜都特种环保设备股份有限公司 | Detergent for cleaning ceramic filtering plate |
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| CN103589526A (en) | 2014-02-19 |
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