CN113174294A - Special cleaning agent for ceramic filter plate and composite filter plate - Google Patents
Special cleaning agent for ceramic filter plate and composite filter plate Download PDFInfo
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- CN113174294A CN113174294A CN202110416930.5A CN202110416930A CN113174294A CN 113174294 A CN113174294 A CN 113174294A CN 202110416930 A CN202110416930 A CN 202110416930A CN 113174294 A CN113174294 A CN 113174294A
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/38—Cationic compounds
- C11D1/62—Quaternary ammonium compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D65/00—Accessories or auxiliary operations, in general, for separation processes or apparatus using semi-permeable membranes
- B01D65/02—Membrane cleaning or sterilisation ; Membrane regeneration
- B01D65/06—Membrane cleaning or sterilisation ; Membrane regeneration with special washing compositions
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2075—Carboxylic acids-salts thereof
- C11D3/2086—Hydroxy carboxylic acids-salts thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/22—Carbohydrates or derivatives thereof
- C11D3/221—Mono, di- or trisaccharides or derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/26—Organic compounds containing nitrogen
- C11D3/33—Amino carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3719—Polyamides or polyimides
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/37—Polymers
- C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
- C11D3/3765—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in liquid compositions
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/38—Products with no well-defined composition, e.g. natural products
- C11D3/386—Preparations containing enzymes, e.g. protease or amylase
- C11D3/38618—Protease or amylase in liquid compositions only
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/38—Products with no well-defined composition, e.g. natural products
- C11D3/386—Preparations containing enzymes, e.g. protease or amylase
- C11D3/38627—Preparations containing enzymes, e.g. protease or amylase containing lipase
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2321/00—Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling
- B01D2321/16—Use of chemical agents
- B01D2321/168—Use of other chemical agents
Abstract
The invention discloses a special cleaning agent for a ceramic filter plate and a composite filter plate, relates to the technical field of cleaning, and particularly relates to a cleaning agent and application thereof in cleaning of the ceramic filter plate and the composite filter plate. The cleaning agent comprises the following components in parts by weight: 24-54 parts of complexing agent, 5-10 parts of organic acid, 1-2 parts of corrosion inhibitor, 1.5-3 parts of composite digestive enzyme, 1-2 parts of algicide and 5-8 parts of industrial glucose. The complexing agent at least comprises polyaspartic acid and tannic acid, and the ratio of polyaspartic acid to tannic acid is 4: 1-5: 1. The cleaning agent provided by the invention can quickly dissolve various blockages such as water scale, mud scale, mixed rust scale and the like blocking the filter plate, has high cleaning efficiency, can effectively avoid corrosion damage to metal equipment, and prolongs the service life of the filter plate. In addition, the cleaning agent provided by the invention does not contain dangerous chemicals, is safe to human bodies and has no pollution to the environment.
Description
Technical Field
The invention relates to the technical field of cleaning, in particular to a cleaning agent and application thereof in cleaning a ceramic filter plate and a composite filter plate.
Background
The filter is a mechanical device for separating solid and water in materials by utilizing the pressure difference between two sides of a porous filter medium. The filtering plate is an important part of the filter and is a microporous ceramic filtering plate, a high-density polypropylene filtering plate and the like. Taking a ceramic filter as an example, the solid-liquid separation device is designed and manufactured by adopting a microporous ceramic filter plate as a filter medium and utilizing the capillary action principle of micropores of the filter plate, when the capillary action force in the micropores of the ceramic filter plate is greater than the pressure difference between two ends of the micropores, the micropores are kept in a liquid-filled state, and air can not permeate the micropores. When the filter plate normally works, the filter plate is immersed in ore pulp, under the condition of no external force, the dehydration process is started by virtue of natural force generated by capillary effect, and solid particles in the ore pulp are accumulated on the surface of the filter plate to form a filter cake, so that the aim of solid-liquid separation is fulfilled. When the ceramic filter is used, the filter plate is blocked usually within 5 to 8 hours, the use efficiency is influenced, the service life is shortened, and the ceramic filter needs to be cleaned by using a chemical cleaning agent to recover the filtering function, so that the demand for the cleaning agent is huge. At present, the vast majority of domestic ceramic filters use nitric acid aqueous solution to wash, but the pure nitric acid aqueous solution can only wash the top layer plug of about 1/3 degrees of depth of filter plate, it is not thorough enough to wash, and wash consuming time longer, nitric acid aqueous solution can cause serious destruction to the surrounding environment usually in addition, can't satisfy the increasingly high environmental protection requirement of modern production, and simultaneously, this type of cleaner has certain corrosivity to equipment spare part, have certain harm nature to the human body, consequently, need urgently to develop the special cleaner of filter that cleaning efficiency is high and green.
Patent publication No. CN100523162C discloses a cleaning agent for filter plates, which is added with hydrochloric acid and oxalic acid on the basis of reducing the amount of nitric acid used, but still has strong corrosivity, is not friendly to metal parts of filter equipment and human bodies, and although the cleaning effect is enhanced, the time consumption is long, and the service life of the equipment cannot be effectively prolonged.
Patent publication No. CN108410590A discloses a cleaning agent for ceramic filter plates, which employs a method using a plurality of water-soluble organic acids such as oxalic acid and acetic acid and their corresponding soluble salts, and which avoids the use of strong acids such as nitric acid and hydrochloric acid, but has the disadvantages of long cleaning time and incomplete cleaning. Therefore, the industry needs to develop a special cleaning agent for ceramic filter plates and composite filter plates, which has excellent cleaning performance, is environment-friendly and safe.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the defects of the prior art, the invention aims to provide the special cleaning agent for the ceramic filter plate and the composite filter plate, the cleaning agent does not contain strong corrosive acids such as nitric acid and the like, is easy to degrade, realizes safe and rapid removal of substances attached to the inner wall of the micropore of the filter plate by using a plurality of complexes in combination with organic acid, industrial glucose and the like, regenerates the filtering performance of the filter plate, and prolongs the service life of the filter plate.
The technical scheme of the invention is as follows:
in order to realize the purpose, the invention provides a special cleaning agent for a ceramic filter plate and a composite filter plate, which comprises the following components in parts by weight: 24-54 parts of a complexing agent, 5-10 parts of organic acid, 1-2 parts of a corrosion inhibitor, 1.5-3 parts of a compound digestive enzyme, 1-2 parts of an algicide and 5-8 parts of industrial glucose, wherein the complexing agent at least comprises polyaspartic acid and tannic acid, and the ratio of polyaspartic acid to tannic acid is 4: 1-5: 1.
The polyaspartic acid and the tannic acid have better synergistic complexation, and compared with the single use of the polyaspartic acid or the single use of the tannic acid, the polyaspartic acid and the tannic acid have better coordination effect on Ca2+、Mg2+、Fe2+The impurities with higher content show good scale inhibition effect.
In the acrylic acid-maleic anhydride copolymer disclosed by the invention, the higher the acrylic acid content is, the better the dispersing ability of the copolymer is, and the higher the maleic anhydride content is, the higher the chelating ability of the copolymer is. In some embodiments of the present invention, a ratio of acrylic acid to maleic anhydride of 1.5:1, in this case to Fe2+And Ca2+Has the best chelating ability and better cleaning effect.
The organic acid in the present invention includes at least one of citric acid and tartaric acid among hydroxycarboxylic acids, and has a good chelating capacity at low temperatures. The organic acid is preferably citric acid in order to better dissolve the organic matter on the surface and in the pores of the filter plate.
In some embodiments of the invention, the corrosion inhibitor is preferably Lan826 in order to reduce corrosion of filter metal equipment to a greater extent.
The composite digestive enzyme has special dirt removing capacity, and can decompose protein, fat, starch and other components in filter plate plugs. In some embodiments of the invention, the complex digestive enzymes are preferably neutral proteolytic enzymes, amylases, and lipases.
The algicide has good sterilization and algae removal capability in different pH value ranges, can effectively inhibit the propagation of algae and the growth of slime, has dispersing and penetrating functions, and can penetrate and remove the peeled and attached algae and slime. And also has oil removing capability. In some embodiments of the invention, the algicide is preferably dodecyl dimethyl benzyl ammonium chloride.
The industrial glucose set of the inventionHas obvious coordination effect, is beneficial to improving the corrosion inhibition effect, and the corrosion inhibition rate is increased along with the rise of temperature. Simultaneously has scale inhibition capability, has strong complexing capability on calcium, magnesium and iron salts, particularly on Fe3+Has excellent chelating effect.
The cleaning agent of the invention is white crystalline solid at normal temperature, and the pH value in 1% aqueous solution is 2-4. Before use, the water-soluble organic fertilizer is dissolved in water and prepared into 6 to 8 percent aqueous solution for use.
Has the advantages that:
compared with the existing cleaning agent, the cleaning agent of the invention has the advantages that:
1. the cleaning agent overcomes the defects that the use process of cleaning the filter plate by using nitric acid is not environment-friendly and has corrosivity on equipment parts and human bodies;
2. the cleaning agent disclosed by the invention has no corrosion to components such as equipment, a sealing rubber ring, a plastic part and the like;
3. the cleaning agent disclosed by the invention does not need to be heated in the using process, is low in energy consumption and realizes the purposes of energy conservation and environmental protection;
4. the cleaning agent has good dissolving, complexing and chelating effects on substances attached to the inner wall of the micropore of the filter plate, and can regenerate the filtering performance of the filter plate, effectively and quickly remove filter plate obstructions, and reduce the cleaning frequency of the filter plate;
5. the cleaning agent is a green and environment-friendly formula, is odorless, nontoxic, safe, non-combustible, easy to degrade, free of dangerous chemicals and capable of being directly discharged;
6. the cleaning agent is convenient to transport, store and use;
7. the cleaning agent can complete neutral safe cleaning under the operation condition of the filter, and can also be used for regenerating filter plates blocked by the filter in a shutdown state;
8. the components contained in the cleaning agent have mutual synergistic action, the cleaning effect is obviously higher than that of a single agent, the filtering efficiency of the filtering plate can be obviously improved, and the service life of the filtering plate is prolonged.
Detailed Description
The invention will be illustrated below with reference to specific embodiments. In the components used in the embodiment, the acrylic acid-maleic anhydride copolymer is prepared by self-adjusting the proportion according to the requirement, and the rest components are purchased commercially. It should be noted that the following examples are illustrative of the present invention, and are not intended to limit the present invention. Other combinations and various modifications within the spirit or scope of the present invention may be made without departing from the spirit or scope of the present invention.
An aqueous nitric acid solution having a mass fraction of 8% was used as comparative example 1.
Example 1
The cleaning agent comprises the following components in parts by weight:
wherein, the acrylic acid-maleic anhydride copolymer is obtained by copolymerizing acrylic acid and maleic anhydride according to the proportion of 1.5: 1.
Comparative example 2
The cleaning agent comprises the following components in parts by weight:
wherein, the acrylic acid-maleic anhydride copolymer is obtained by copolymerizing acrylic acid and maleic anhydride according to the proportion of 1.5: 1.
Comparative example 3
The cleaning agent comprises the following components in parts by weight:
wherein, the acrylic acid-maleic anhydride copolymer is obtained by copolymerizing acrylic acid and maleic anhydride according to the proportion of 1.5: 1.
Comparative example 4
The cleaning agent comprises the following components in parts by weight:
wherein, the acrylic acid-maleic anhydride copolymer is obtained by copolymerizing acrylic acid and maleic anhydride according to the proportion of 1.5: 1.
Comparative example 5
The cleaning agent comprises the following components in parts by weight:
wherein, the acrylic acid-maleic anhydride copolymer is obtained by copolymerizing acrylic acid and maleic anhydride according to the proportion of 1.5: 1.
Comparative example 6
The cleaning agent comprises the following components in parts by weight:
wherein, the acrylic acid-maleic anhydride copolymer is obtained by copolymerizing acrylic acid and maleic anhydride according to the proportion of 1.5: 1.
Example 2
The cleaning agent comprises the following components in parts by weight:
wherein, the acrylic acid-maleic anhydride copolymer is obtained by copolymerizing acrylic acid and maleic anhydride according to the proportion of 1.5: 1.
Example 3
The cleaning agent disclosed by the invention is different from the cleaning agent in example 1 in that acrylic acid and maleic anhydride in an acrylic acid-maleic anhydride copolymer are copolymerized according to a ratio of 1: 1.
Example 4
The cleaning agent disclosed by the invention is different from the cleaning agent in example 1 in that acrylic acid and maleic anhydride in an acrylic acid-maleic anhydride copolymer are copolymerized according to a ratio of 2: 1.
The cleaning agents of examples 1-4 and comparative examples 2-6 were added to water, and stirred at room temperature for 15 minutes to prepare an aqueous solution with a mass fraction of 8%. Taking the filtered copper concentrate of the large-smelting nonferrous Fengshan copper ore as an example, xanthate, black powder, lime, pinitol oil and the like are added in the beneficiation stage. Filtering the copper concentrate by using a ceramic filter with a model TC513-004, stopping filtering when the filtering efficiency is 35%, replacing a new filter plate with the filtering efficiency of 100%, and obtaining 10 filter plates with consistent blockage degree by analogy, and then respectively cleaning the replaced filter plates by using the cleaning agent aqueous solution prepared in the previous embodiment 1-4 and the comparative example 1-6 according to the following cleaning method:
the using method comprises the following steps:
the method comprises the following steps: washing a filter tank body in a shutdown state with clean water, directly connecting a cleaning agent aqueous solution to an acid pump suction inlet of an original filter, and adjusting the metering scale of the acid pump according to actual needs;
step two: starting a filter rotor to drive the filter plates to rotate, and enabling the ceramic filter plates and the composite filter plates to periodically pass through the tank body;
step three: starting the ultrasonic cleaning device for cleaning at intervals, wherein the intermittent time can be set to be 15-25 minutes per hour;
step four: the cleaning time is about 1.5-2 hours, when the liquid absorbed on the surface of the filter plate after being rotated out of the tank body is dried quickly, the permeability of the filter plate is better recovered, and after the cleaning is finished, the cleaning liquid is discharged;
step five: and starting a back washing program, rinsing the product for several minutes by using clean water, and stopping the rinsing process, so that normal production filtering work can be performed.
After the cleaning, the cleaned filter plates were compared in terms of cleaning cycle, filtering efficiency after cleaning, and service life, and the results are shown in tables 1 to 3:
cleaning cycle: the filter plate is in normal use, need wash when filtration efficiency is less than 35%, and the time interval of washing at every turn is a washing cycle.
Filtration efficiency after washing: the filtration efficiency of the filter plate after cleaning relative to a fresh filter plate.
Service life: the filter plate needs to be discarded when the filtering efficiency of the cleaned filter plate is less than 30% of that of a new filter plate, and the service life is the service life of the filter plate. And comparing the cleaning results.
TABLE 1 comparison of cleaning effectiveness of comparative examples 1 to 4 and example 1
| Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | Example 1 | |
| Cleaning cycle (hours) | 8 | 6 | 5 | 3 | 9 |
| Filtration efficiency after cleaning | 85％ | 70％ | 65％ | 50％ | 90％ |
| Service life (moon) | 6 | 4 | 3 | 2 | 7.5 |
TABLE 2 comparison of cleaning effects of comparative example 1, comparative examples 5 to 6 and examples 1 to 2
TABLE 3 comparison of cleaning effectiveness of example 1 and examples 3-4 with example 1, example 1
| Comparative example 1 | Example 1 | Example 3 | Example 4 | |
| Cleaning cycle (hours) | 8 | 9 | 8.5 | 8.5 |
| Filtration efficiency after cleaning | 85％ | 90％ | 88％ | 86％ |
| Service life (moon) | 6 | 7.5 | 6.5 | 6.5 |
It can be seen from the experimental data of comparative examples 1-4 and example 1 that, when the cleaning agent does not contain one or two of polyaspartic acid and tannic acid, the cleaning effect is far lower than that of the cleaning agent and the nitric acid aqueous solution provided by the invention, even the cleaning purpose cannot be achieved, compared with the cleaning period, the filtration efficiency of the filter plate after cleaning and the service life.
According to experimental data of a comparative example 1, a comparative example 5-6 and an example 1-2, the cleaning agent provided by the invention is used for cleaning according to the cleaning method, when the compounding ratio of the polyaspartic acid and the tannic acid is 4: 1-5: 1, the cleaning agent has better performance than a common cleaning method using a nitric acid aqueous solution in three aspects of cleaning period, filtering efficiency after cleaning and service life; when the cleaning effect is beyond the scope of the claims of the invention, the cleaning effect is inferior to the cleaning effect of the cleaning agent and the nitric acid aqueous solution provided by the invention.
It can be seen from the experimental data of comparative example 1, example 1 and examples 3-4 that, when the cleaning agent provided by the present invention is obtained by copolymerizing acrylic acid and maleic anhydride in an acrylic acid-maleic anhydride copolymer according to a ratio of 1.5:1 in the cleaning method according to the present invention, the cleaning effect of the cleaning agent of the present invention is superior in terms of cleaning cycle, filtration efficiency after cleaning and service life, and when the ratio is less than or greater than 1.5:1, the cleaning effect of the cleaning agent provided by the present invention is close to the cleaning effect of the common cleaning method of nitric acid aqueous solution.
And (3) detecting the content of dangerous chemicals:
the samples of the cleaning agent special for the ceramic filter plate and the composite filter plate provided by the invention are detected, with example 1 as a detection object, lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyls (PBBs), polybrominated diphenyl ethers (PBDEs), dibutyl phthalate (DBP), Butyl Benzyl Phthalate (BBP), di (2-ethylhexyl) phthalate (DEHP), and diisobutyl phthalate (DIBP), and detection instruments, detection methods, detection standards, and detection results are shown in table 5:
the invention is detected that the detection results of lead, cadmium, mercury, hexavalent chromium, polybrominated biphenyls (PBBs), polybrominated diphenyl ethers (PBDEs), phthalic acid esters (such as dibutyl phthalate (DBP), Butyl Benzyl Phthalate (BBP), di (2-ethylhexyl) phthalate (DEHP) and diisobutyl phthalate (DIBP)) are combined with the limit requirements of the EU RoHS directive 2011/65/correction directive (EU)2015/863 of EU appendix II.
In conclusion, the special cleaning agent for the ceramic filter plate and the composite filter plate, provided by the invention, is green and environment-friendly, does not contain dangerous chemicals, is safe to a human body, improves the cleaning efficiency, has no corrosion to equipment parts, and can effectively prolong the service life of the filter plate. Meanwhile, the cleaning agent provided by the invention is convenient to store and transport, and the use method is simple.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the present invention is not limited thereto, and equivalent changes and modifications made according to the spirit of the present invention should be covered thereby.
Claims (10)
1. The special cleaning agent for the ceramic filter plate and the composite filter plate is characterized by comprising the following components in parts by weight:
24-54 parts of a complexing agent;
5-10 parts of organic acid;
1-2 parts of corrosion inhibitor;
1.5-3 parts of compound digestive enzyme;
1-2 parts of an algicide;
5-8 parts of industrial glucose,
the complexing agent at least comprises polyaspartic acid and tannic acid, and the ratio of polyaspartic acid to tannic acid is 4: 1-5: 1.
2. The special cleaning agent for the ceramic filter plate and the composite filter plate according to claim 1, wherein the complexing agent further comprises at least two of acrylic acid-maleic anhydride copolymer, sodium gluconate, sodium citrate and EDTA, wherein the acrylic acid-maleic anhydride copolymer is necessarily contained.
3. The special cleaning agent for the ceramic filter plate and the composite filter plate according to claim 1, wherein the acrylic acid-maleic anhydride copolymer is obtained by copolymerizing acrylic acid and maleic anhydride in a ratio of 1:1 to 2: 1.
4. The special cleaning agent for the ceramic filter plate and the composite filter plate according to claim 3, wherein the acrylic acid-maleic anhydride copolymer is obtained by copolymerizing acrylic acid and maleic anhydride in a ratio of 1.5: 1.
5. The cleaning agent for ceramic filter plates and composite filter plates according to claim 1, wherein the organic acid is selected from hydroxycarboxylic acids.
6. The cleaning agent for ceramic filter plates and composite filter plates according to claim 5, wherein the hydroxycarboxylic acid organic acid is at least one selected from the group consisting of citric acid and tartaric acid.
7. The ceramic filter plate, composite filter plate-dedicated cleaning agent according to claim 1, wherein said corrosion inhibitor comprises at least one of Lan826, FEPORID300 and SGR-0405.
8. The ceramic filter plate, the cleaning agent for composite filter plate according to claim 1, wherein the composite digestive enzyme comprises at least two of neutral proteolytic enzyme, amylase and lipase.
9. The special cleaning agent for the ceramic filter plate and the composite filter plate according to claim 1, wherein the algicide comprises at least one of dodecyl dimethyl benzyl ammonium chloride and dimethyl ethane ammonium chloride.
10. Use of the cleaning agent according to claims 1 to 8 for cleaning ceramic filter plates, composite filter plates.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022255400A1 (en) * | 2021-06-04 | 2022-12-08 | 住友化学株式会社 | Cleaner for indoor water use sites |
| CN115746965A (en) * | 2022-09-28 | 2023-03-07 | 广东麒瑞新材料科技有限公司 | Environment-friendly cleaning agent for ceramic filter plate and cleaning process thereof |
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| CN108410590A (en) * | 2018-04-18 | 2018-08-17 | 长沙矿冶研究院有限责任公司 | A kind of cleaning agent and its application in cleaning ceramic filtering plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106745849A (en) * | 2016-12-22 | 2017-05-31 | 新疆环境工程技术有限责任公司 | A kind of Integrated Films system-specific antisludging agent |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022255400A1 (en) * | 2021-06-04 | 2022-12-08 | 住友化学株式会社 | Cleaner for indoor water use sites |
| CN115746965A (en) * | 2022-09-28 | 2023-03-07 | 广东麒瑞新材料科技有限公司 | Environment-friendly cleaning agent for ceramic filter plate and cleaning process thereof |
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| CN113174294B (en) | 2022-04-08 |
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