CN111807528A - Efficient scale remover and preparation method thereof - Google Patents
Efficient scale remover and preparation method thereof Download PDFInfo
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- CN111807528A CN111807528A CN202010726087.6A CN202010726087A CN111807528A CN 111807528 A CN111807528 A CN 111807528A CN 202010726087 A CN202010726087 A CN 202010726087A CN 111807528 A CN111807528 A CN 111807528A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
- C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
- C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
- C02F5/14—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus
- C02F5/145—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances containing phosphorus combined with inorganic substances
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/08—Corrosion inhibition
Abstract
The application relates to an efficient scale remover and a preparation method thereof, wherein the scale remover is prepared from the following raw materials in parts by weight: 10-20 parts of hydroxyethylidene diphosphonic acid, 10-20 parts of 2-phosphonic acid butane-1, 2, 4-triphosphoric acid, 5-12 parts of acrylic acid, 1-3 parts of hydroxypropyl acrylate, 5-15 parts of 2-acrylamide-2-methylpropanesulfonic acid, 5-12 parts of sulfuric acid and 20-40 parts of deionized water. The scale remover comprises the following preparation steps: preparing materials: accurately weighing all the raw materials according to the formula proportion for later use; stirring: pouring all the raw materials into a stirring device in sequence and stirring for 20-40 min; and (3) inspecting and filling: and observing the clarity and transparency of the mixed descaling agent, filling into bottles, and storing in a warehouse. This application has the degradation efficiency that improves the scale remover to the incrustation scale, and the effect that the scale remover is convenient for operating personnel to prepare.
Description
Technical Field
The application relates to the field of a scale remover, in particular to a high-efficiency scale remover and a preparation method thereof.
Background
At present, in the production operation process of a boiler, a large amount of water scales which are difficult to naturally degrade are easily generated in the inner cavity of the boiler. After the water scale is accumulated in the inner cavity of the boiler for a long time, the inner cavity of the boiler is easily blocked, and the normal circulation of fluid in the boiler is damaged, so that the energy consumption source for the operation of the boiler is increased, and the heat energy conversion efficiency of the boiler is reduced.
The descaling agent is an efficient and quick descaling article, and can effectively reduce scale in a boiler. Meanwhile, the descaling agent is convenient to use, and an operator only needs to pour the descaling agent into a boiler with an inner cavity filled with clean water and then start the boiler to operate for a certain time, so that the scale in the boiler can be degraded, and the purpose of removing the scale is further achieved, and therefore the descaling agent is widely popularized and applied.
Chinese patent publication No. CN102674572B discloses an anti-scaling and descaling agent and a production process thereof, which comprises the anti-scaling and descaling agent. The anti-scaling and descaling agent is prepared from the following components in percentage by weight: 20% of diethylenetriamine pentamethylene, 10% of aminotrimethylene phosphonic acid, 30% of dihexyltriamine pentamethylene phosphonic acid sodium, 20% of flake caustic soda, 10% of antirust agent and 10% of bactericide. The preparation method of the scale preventing and removing agent comprises the following steps: all the components are stirred and mixed under the environment that the temperature is 29-31 ℃ and the PH is 10.5-11.5.
Aiming at the related technologies, the inventor thinks that the defects that the ordinary descaling agent has low speed and low efficiency for removing the scale in the inner cavity of the boiler, and further the descaling agent is easy to degrade and remove the scale insufficiently exist.
Disclosure of Invention
In order to improve the degradation efficiency of the scale remover on the scale, the application aims to provide a high-efficiency scale remover.
The application provides an efficient scale remover adopts following technical scheme:
the efficient scale remover is prepared from the following raw materials in parts by weight:
10-20 parts of hydroxyethylidene diphosphonic acid, 10-20 parts of 2-phosphonic acid butane-1, 2, 4-triphosphoric acid, 5-12 parts of acrylic acid, 1-3 parts of hydroxypropyl acrylate, 5-15 parts of 2-acrylamide-2-methylpropanesulfonic acid, 5-12 parts of sulfuric acid and 20-40 parts of deionized water.
By adopting the technical scheme, the hydroxyethylidene diphosphonic acid can quickly dissolve oxides on the metal surface and can quickly form stable complexes with iron ions, copper ions, zinc ions and other metal ions, thereby greatly accelerating the degradation speed of water scales; acrylic acid is very active in chemical property, can be polymerized with hydroxypropyl acrylate and 2-acrylamide-2-methylpropanesulfonic acid to form a ternary complex with extremely high solubility, sulfuric acid has extremely high solubility, and the speed and the efficiency of the scale remover for degrading water scale can be further improved by matching with other raw materials in the scale remover; the 2-phosphonic acid butane-1, 2, 4-triphosphoric acid has extremely high solubility, acid resistance, alkali resistance and oxidation resistance, and the descaling performance of the descaling agent is further improved, so that all materials in the descaling agent are combined together more smoothly and fully, the formed descaling agent has relatively stable physicochemical properties, and the stability of the descaling agent in rapid and efficient scale removal is guaranteed.
Preferably, the scale remover also comprises 3-8 parts by weight of a stabilizer, and the stabilizer is hydrolyzed polymaleic anhydride.
By adopting the technical scheme, the hydrolyzed polymaleic anhydride is a low molecular weight polyelectrolyte which is very easy to dissolve in water and has extremely high chemical stability and thermal stability, so that the raw materials in the scale remover have higher binding degree, the stability of the combined raw materials in the scale remover is further improved, and the scale remover can more stably exert the efficient scale removal performance in the using process.
Preferably, the scale remover also comprises a dissolving agent in an amount of 3-8 parts by weight, wherein the dissolving agent is zinc chloride.
By adopting the technical scheme, the zinc chloride accelerates the chemical reaction rate among the components in the water in the inner cavity of the boiler through the extremely high deliquescence of the zinc chloride, and the degradation and removal speed of the scale remover on the scale is greatly accelerated; meanwhile, the zinc chloride has extremely high corrosivity, can quickly dissolve metal oxides and cellulose, further quickens the descaling speed of the descaling agent, reduces the frequency of forming oxides on the inner side wall of the boiler by metal ions, further delays the regeneration speed of water scales, and further achieves the effect of thorough descaling.
Preferably, the scale remover also comprises a reinforcing agent in an amount of 0.5 to 1.5 parts by weight, wherein the reinforcing agent is benzotriazole.
By adopting the technical scheme, the benzotriazole is a common water treatment agent, a metal antirust agent and a corrosion inhibitor, and can accelerate the degradation speed of water scale in the inner cavity of the boiler through the extremely high solubility of the benzotriazole; meanwhile, the benzotriazole can slow down the adhesion effect of metal ions on the inner side wall of the boiler, further delay the regeneration time of scale, reduce the digestion phenomenon of the inner side wall of the boiler and enable the boiler to reach the expected service life as far as possible.
Preferably, the descaling agent also comprises 10-20 parts of a blender, and the blender is citric acid.
By adopting the technical scheme, the citric acid is used as the food-grade descaling organic acid, so that the descaling speed and efficiency of the descaling agent in the boiler can be further improved; meanwhile, the strong pungent smell of acrylic acid and the burning smell generated when the sulfuric acid is fed can be covered by the citric acid through the extremely strong acidic smell of the citric acid, so that the pungent smell emitted when the descaling agent is used is improved, and the pungent smell remained after the descaling agent is used in a boiler is reduced.
In order to facilitate operators to quickly prepare the descaling agent with high descaling efficiency, the application also aims to provide a preparation method of the descaling agent with high efficiency.
The preparation method of the efficient scale remover comprises the following preparation steps:
preparing materials: accurately weighing all the raw materials according to the formula proportion for later use;
stirring: pouring all the raw materials into a stirring device in sequence and stirring for 20-40 min;
and (3) inspecting and filling: and observing the clarity and transparency of the mixed descaling agent, filling into bottles, and storing in a warehouse.
By adopting the technical scheme, the preparation process of the scale remover is simple and clear, is convenient for operators to understand, and can be operated and prepared quickly by hands.
Preferably, in the stirring step: the temperature in the stirring device is required to be raised to 50-70 ℃, the pH value in the stirring device is required to be controlled to be 8-12, and the stirring speed is 1200r/min-2000 r/min.
By adopting the technical scheme, the combination adaptation degree of the raw materials in the descaling agent during mixing can be improved by improving the temperature in the stirring device, the forming time of the descaling agent can be shortened, and the finished product speed of the descaling agent is accelerated; the PH of the stirring environment is adjusted, so that the raw materials in the scale remover can be formed in the most suitable environment, the stability of the physicochemical property of the formed scale remover can be effectively guaranteed, and the stability of the scale remover in the subsequent use can be guaranteed; the adaptation degree of each raw material in the combination process can be further improved by controlling the stirring speed of the stirring device, so that the phenomena that the material combination is insufficient due to too low stirring speed, the volatilization and dilution of raw material components due to too high stirring speed and the descaling effect of the descaling agent is reduced can be reduced.
Preferably, the inspecting and filling step further comprises: the mixed detergent is filtered by a filter device before being filled into bottles.
By adopting the technical scheme, the scale remover reagent formed by mixing is filtered, so that the sediments and floaters remained due to incomplete reaction of raw materials in the scale remover caused by excessive reaction can be effectively reduced, the color clarity and transparency of the scale remover reagent are effectively guaranteed, the over-detection rate of the scale remover is further improved, and the reject ratio of a finished scale remover product is reduced.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the hydroxy ethylidene diphosphonic acid and the sulfuric acid are used for quickly and efficiently dissolving metal ions in the water scale, so that the descaling speed and efficiency of the descaling agent are guaranteed; the high-solubility ternary complex is formed by polymerizing acrylic acid, hydroxypropyl acrylate and 2-acrylamide-2-methylpropanesulfonic acid, so that the descaling effect of the descaling agent is further improved; 2-phosphonic acid butane-1, 2, 4-triphosphoric acid is used for improving the combination fullness and stability of the raw materials in the scale remover, so that the scale removal stability of the scale remover is guaranteed;
2. the zinc chloride, the benzotriazole and the citric acid are used for further improving the degradation speed and efficiency of the scale remover on water scale and enhancing the scale removal effect of the scale remover; the hydrolytic polymaleic anhydride is used for further improving the combination sufficiency and stability of all raw materials in the scale remover, so that the descaling stability of the scale remover is further ensured.
Drawings
FIG. 1 is a flow chart of a process for preparing a high-efficiency scale remover according to an embodiment of the present application.
Detailed Description
The present application is described in further detail below with reference to fig. 1.
Examples
In all of the following examples: the hydroxyethylidene diphosphonic acid is a hydroxyethylidene diphosphonic acid solution with the mass fraction of 96 percent, which is produced by Shanghai Michelin Biochemical technology Limited; the 2-phosphonic acid butane-1, 2, 4-triphosphoric acid is a 60 mass percent solution of the 2-phosphonic acid butane-1, 2, 4-triphosphoric acid produced by Jiangsu san Lun chemical technology Co., Ltd; the acrylic acid is an acrylic acid solution with the mass fraction of 70 percent produced by Yongjie chemical products Limited company in Nantong city; hydroxypropyl acrylate is a 97% pure hydroxypropyl acrylate solution produced by Liezhang Source science and technology, Inc.; the 2-acrylamide-2-methylpropanesulfonic acid is a 2-acrylamide-2-methylpropanesulfonic acid solvent produced by shouguang Chengshan New Material Co., Ltd; the sulfuric acid is a sulfuric acid solution with the concentration of 98.3 percent produced by Yangzhou Huafu chemical Limited company; the deionized water is prepared by 2 tons of double-stage medical deionized water equipment produced by Shenzhen Jianghui environmental protection science and technology Limited; the hydrolyzed polymaleic anhydride is a hydrolyzed polymaleic anhydride solution with the product number of TM-606, which is produced by Tianjin Keweijin Hongyou environmental protection science and technology Limited; the zinc chloride is powdery crystalline sodium chloride produced by Yanggu Zhongtian Zinc industry Co Ltd; the benzotriazole is granular crystalline benzotriazole produced by the northwest China Fine chemical Co., Ltd; citric acid is a white crystalline powdery citric acid produced by Asahi Suzhou, Asahi Fine chemical Co., Ltd.
Example 1
Referring to fig. 1, a method for preparing a high-efficiency detergent includes the following steps:
preparing materials: according to the formula, 10kg of hydroxyethylidene diphosphonic acid, 10kg of 2-phosphonic acid butane-1, 2, 4-triphosphoric acid, 5kg of acrylic acid, 1kg of hydroxypropyl acrylate, 5kg of 2-acrylamide-2-methylpropanesulfonic acid, 5kg of sulfuric acid, 20kg of deionized water, 3kg of hydrolyzed polymaleic anhydride, 3kg of zinc chloride, 0.5kg of benzotriazole and 10kg of citric acid are accurately weighed for later use.
Stirring: and sequentially pouring all the raw materials except the sulfuric acid into a stirring kettle, adjusting the stirring speed of the stirring kettle to 1200r/min, and slowly pouring the sulfuric acid into the stirring kettle at a constant speed. After the sulfuric acid is poured, the temperature in the stirring kettle is adjusted to 50 ℃, the pH in the stirring kettle is adjusted to 8, and the stirring kettle is used for stirring the materials for 20 min.
And (3) inspecting and filling: after the stirring of the stirring kettle is stopped, an operator randomly selects a plurality of samples by using test tubes, and observes the clarity and the transparency of the descaling agent by naked eyes. Then, the descaling agent is filtered by a hollow fiber separation membrane technology. And filling the filtered scale remover into bottles, and finally storing in a unified warehouse.
Example 2
Referring to fig. 1, a method for preparing a high-efficiency detergent includes the following steps:
preparing materials: 20kg of hydroxyethylidene diphosphonic acid, 20kg of 2-phosphonic acid butane-1, 2, 4-triphosphoric acid, 12kg of acrylic acid, 3kg of hydroxypropyl acrylate, 15kg of 2-acrylamide-2-methylpropanesulfonic acid, 12kg of sulfuric acid, 40kg of deionized water, 8kg of hydrolyzed polymaleic anhydride, 8kg of zinc chloride, 1.5kg of benzotriazole and 20kg of citric acid are accurately weighed according to the formula ratio for standby.
Stirring: and sequentially pouring all the raw materials except the sulfuric acid into a stirring kettle, adjusting the stirring speed of the stirring kettle to 2000r/min, and slowly pouring the sulfuric acid into the stirring kettle at a constant speed. After the sulfuric acid is poured, the temperature in the stirring kettle is adjusted to 70 ℃, the pH in the stirring kettle is adjusted to 12, and the stirring kettle is used for stirring the materials for 40 min.
And (3) inspecting and filling: after the stirring of the stirring kettle is stopped, an operator randomly selects a plurality of samples by using test tubes, and observes the clarity and the transparency of the descaling agent by naked eyes. Then, the descaling agent is filtered by a hollow fiber separation membrane technology. And filling the filtered scale remover into bottles, and finally storing in a unified warehouse.
Example 3
Referring to fig. 1, a method for preparing a high-efficiency detergent includes the following steps:
preparing materials: according to the formula, 15kg of hydroxyethylidene diphosphonic acid, 15kg of 2-phosphonic acid butane-1, 2, 4-triphosphoric acid, 8kg of acrylic acid, 2kg of hydroxypropyl acrylate, 10kg of 2-acrylamide-2-methylpropanesulfonic acid, 8kg of sulfuric acid, 30kg of deionized water, 5kg of hydrolyzed polymaleic anhydride, 5kg of zinc chloride, 1kg of benzotriazole and 15kg of citric acid are accurately weighed for later use.
Stirring: and sequentially pouring all the raw materials except the sulfuric acid into a stirring kettle, adjusting the stirring speed of the stirring kettle to 1600r/min, and slowly pouring the sulfuric acid into the stirring kettle at a constant speed. After the sulfuric acid is poured, the temperature in the stirring kettle is adjusted to 60 ℃, the pH in the stirring kettle is adjusted to 10, and the stirring kettle is used for stirring the materials for 30 min.
And (3) inspecting and filling: after the stirring of the stirring kettle is stopped, an operator randomly selects a plurality of samples by using test tubes, and observes the clarity and the transparency of the descaling agent by naked eyes. Then, the descaling agent is filtered by a hollow fiber separation membrane technology. And filling the filtered scale remover into bottles, and finally storing in a unified warehouse.
Example 4
Referring to fig. 1, a method for preparing a high-efficiency detergent includes the following steps:
preparing materials: according to the formula, 10kg of hydroxyethylidene diphosphonic acid, 10kg of 2-phosphonic acid butane-1, 2, 4-triphosphoric acid, 5kg of acrylic acid, 1kg of hydroxypropyl acrylate, 5kg of 2-acrylamide-2-methylpropanesulfonic acid, 5kg of sulfuric acid, 20kg of deionized water, 3kg of hydrolyzed polymaleic anhydride, 3kg of zinc chloride, 0.5kg of benzotriazole and 10kg of citric acid are accurately weighed for later use.
Stirring: and sequentially pouring all the raw materials except the sulfuric acid into a stirring kettle, adjusting the stirring speed of the stirring kettle to 1600r/min, and slowly pouring the sulfuric acid into the stirring kettle at a constant speed. After the sulfuric acid is poured, the temperature in the stirring kettle is adjusted to 60 ℃, the pH in the stirring kettle is adjusted to 10, and the stirring kettle is used for stirring the materials for 30 min.
And (3) inspecting and filling: after the stirring of the stirring kettle is stopped, an operator randomly selects a plurality of samples by using test tubes, and observes the clarity and the transparency of the descaling agent by naked eyes. Then, the descaling agent is filtered by a hollow fiber separation membrane technology. And filling the filtered scale remover into bottles, and finally storing in a unified warehouse.
Example 5
Referring to fig. 1, a method for preparing a high-efficiency detergent includes the following steps:
preparing materials: 20kg of hydroxyethylidene diphosphonic acid, 20kg of 2-phosphonic acid butane-1, 2, 4-triphosphoric acid, 12kg of acrylic acid, 3kg of hydroxypropyl acrylate, 15kg of 2-acrylamide-2-methylpropanesulfonic acid, 12kg of sulfuric acid, 40kg of deionized water, 8kg of hydrolyzed polymaleic anhydride, 8kg of zinc chloride, 1.5kg of benzotriazole and 20kg of citric acid are accurately weighed according to the formula ratio for standby.
Stirring: and sequentially pouring all the raw materials except the sulfuric acid into a stirring kettle, adjusting the stirring speed of the stirring kettle to 1600r/min, and slowly pouring the sulfuric acid into the stirring kettle at a constant speed. After the sulfuric acid is poured, the temperature in the stirring kettle is adjusted to 60 ℃, the pH in the stirring kettle is adjusted to 10, and the stirring kettle is used for stirring the materials for 30 min.
And (3) inspecting and filling: after the stirring of the stirring kettle is stopped, an operator randomly selects a plurality of samples by using test tubes, and observes the clarity and the transparency of the descaling agent by naked eyes. Then, the descaling agent is filtered by a hollow fiber separation membrane technology. And filling the filtered scale remover into bottles, and finally storing in a unified warehouse.
Example 6
Example 6 differs from example 3 in that: in example 6, the stirring time of the stirred tank was 20min, and the rest was the same as in example 3.
Example 7
Example 7 differs from example 3 in that: in example 7, the stirring time of the stirred tank was 40min, and the rest was the same as in example 3.
Example 8
Example 8 differs from example 3 in that: in example 8, the stirring speed of the stirring vessel was 1200r/min, and after the sulfuric acid was poured, the temperature in the stirring vessel was adjusted to 50 ℃ and the pH in the stirring apparatus was controlled to 8, all the other examples were conducted in the same manner as in example 3.
Example 9
Example 9 differs from example 3 in that: in example 8, the stirring speed of the stirring vessel was 2000r/min, and after the sulfuric acid was poured, the temperature in the stirring vessel was adjusted to 70 ℃ and the pH in the stirring apparatus was controlled to 12, all the other examples were conducted in the same manner as in example 3.
Example 10
Example 10 differs from example 3 in that: in example 10, the mixed detergent was left standing for 30min after the operation of the stirred tank was stopped, and then the filtration step was skipped, and the mixed detergent was filled into bottles and stored in a warehouse.
Example 11
Example 11 differs from example 3 in that: in example 11, after the operation of the stirred tank was stopped, the mixed detergent was directly filtered, and then bottled, and stored.
Comparative example
Comparative example 1
Comparative example 1 differs from example 3 in that: in comparative example 1, the raw materials for preparing the scale remover are 20kg of diethylenetriamine pentamethylene, 10kg of aminotrimethylene phosphonic acid, 30kg of dihexyltriamine pentamethylene phosphonic acid sodium, 20kg of flake caustic soda, 10kg of antirust agent and 10kg of bactericide, and the rest of the preparation steps are consistent with those of example 3.
Performance test
According to the chemical industry standard HG/T2431-2018 of scale and corrosion inhibitors II and III of water treatment agents of the chemical industry standard of the people's republic of China, the clarity and transparency of the scale remover prepared in the examples 1-11 and the comparative example 1 are observed.
50ml of the detergent samples obtained in examples 1 to 11 and comparative example 1 were pipetted by a rubber-tipped pipette, and the samples were contained in transparent test tubes, after which all the test tubes were set up in a test tube rack. And (3) taking a white and flawless back plate as the background color of all test tubes, and observing whether the descaling agents in all the test tubes are clear and transparent or not and whether floating foreign matters exist or not under natural light. In the experiment, 30min is taken as a time period, two times of observation and two groups of records are carried out, and the detection results are shown in table 1.
TABLE 1 Table for observing color clarity and foreign matter retention in sample
As can be seen from Table 1, all of the samples of examples are superior to the samples of comparative examples in color clarity and retention of foreign matter in the samples. Therefore, the scale remover prepared by the preparation method has transparent and color-clear color and low retention amount of internal foreign matters, and further can show that the scale remover prepared by the preparation method has the advantages that all raw materials in the scale remover are fully and stably combined, the rejection or poor reaction phenomenon among the raw materials is less, the scale remover has more stable physicochemical property compared with the common scale remover, and the degradation effect of the scale remover on scale can be maximized.
The speed, efficiency and degradation residue degree of the scale remover prepared in the examples 1-11 and the comparative example 1 for removing scale in the boiler are detected by referring to the national standard GB/T16632-.
5 groups of experimental boilers with the inner cavity capacity of 10kg are continuously used for 2 months by adding the same materials, after scale is generated in all the boilers, 1kg of boiler inner cavity water and 50g of scale are accurately weighed to be a sample, and 12 groups of the experimental boilers are prepared for standby in total. 0.1kg of scale remover sample prepared by the preparation method is taken as a detection sample, the sample is respectively poured into 12 groups of boiler inner cavities, then all the boilers are started to operate for 15min, 6h is taken as a detection period, and the scale retention condition in each boiler is observed for 3 times. The results are shown in Table 2.
Meanwhile, during the third observation, 150ml of water in the inner cavity of the boiler is absorbed by a rubber head dropper and is contained by a test tube. And then, measuring the content of calcium ions in the liquid by an EDTA titration method, and marking the water in the inner cavity of the boiler as pure blue consumption by recording an EDTA solution so as to reversely estimate the amount of the calcium ions which are remained in the water in the inner cavity of the boiler and can not be seen by naked eyes. The results are shown in Table 2.
TABLE 2 Scale removal Rate and efficiency of the descaling agent
As can be seen from Table 2, in the descaling test of the water in the inner cavity of the boiler, the descaling agent prepared in the example has the characteristics of higher descaling speed and higher descaling efficiency than the descaling agent prepared in the comparative example. Meanwhile, in the calcium ion content detection of the water in the inner cavity of the boiler after 6 hours, compared with the scale remover prepared by the comparative example, the scale remover prepared by the embodiment has the characteristics of removing more calcium ions and keeping less calcium ions in the water in the inner cavity of the boiler. Furthermore, the scale remover prepared by the embodiment can remove the scale in the water in the inner cavity of the boiler more quickly and efficiently within the same reaction time, and simultaneously, the amount of the calcium ions which are invisible to naked eyes in the water in the inner cavity of the boiler is more effectively reduced, so that the regeneration speed of the scale in the boiler can be reduced, the regeneration time of the scale is prolonged, and the effects of degrading and removing the scale more thoroughly are achieved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. An efficient scale remover is characterized in that: the scale remover is prepared from the following raw materials in parts by weight:
10-20 parts of hydroxyethylidene diphosphonic acid, 10-20 parts of 2-phosphonic acid butane-1, 2, 4-triphosphoric acid, 5-12 parts of acrylic acid, 1-3 parts of hydroxypropyl acrylate, 5-15 parts of 2-acrylamide-2-methylpropanesulfonic acid, 5-12 parts of sulfuric acid and 20-40 parts of deionized water.
2. A high efficiency detergent as claimed in claim 1, wherein: the scale remover also comprises 3-8 parts by weight of stabilizer, wherein the stabilizer is hydrolytic polymaleic anhydride.
3. A high efficiency detergent as claimed in claim 1, wherein: the scale remover also comprises a dissolving agent in 3-8 parts by weight, wherein the dissolving agent is zinc chloride.
4. A high efficiency detergent as claimed in claim 1, wherein: the scale remover also comprises a reinforcer in 0.5-1.5 parts by weight, wherein the reinforcer is benzotriazole.
5. A high efficiency detergent as claimed in claim 1, wherein: the descaling agent also comprises 10-20 parts of a blender, and the blender is citric acid.
6. The method for preparing a high efficiency detergent as claimed in any one of claims 1-5, wherein: the preparation method comprises the following preparation steps: preparing materials: accurately weighing all the raw materials according to the formula proportion for later use; stirring: pouring all the raw materials into a stirring device in sequence and stirring for 20-40 min; and (3) inspecting and filling: and observing the clarity and transparency of the mixed descaling agent, filling into bottles, and storing in a warehouse.
7. The method for preparing the efficient detergent as claimed in claim 6, wherein: in the stirring step: the temperature in the stirring device is required to be raised to 50-70 ℃, the pH value in the stirring device is required to be controlled to be 8-12, and the stirring speed is 1200r/min-2000 r/min.
8. The method for preparing the efficient detergent as claimed in claim 6, wherein: the inspecting and filling step further comprises: the mixed detergent is filtered by a filter device before being filled into bottles.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116730516A (en) * | 2023-08-03 | 2023-09-12 | 淄博万诺工贸有限公司 | Low-phosphorus scale and corrosion inhibitor and preparation method thereof |
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| CN116730516A (en) * | 2023-08-03 | 2023-09-12 | 淄博万诺工贸有限公司 | Low-phosphorus scale and corrosion inhibitor and preparation method thereof |
| CN116730516B (en) * | 2023-08-03 | 2023-11-03 | 淄博万诺工贸有限公司 | Low-phosphorus scale and corrosion inhibitor and preparation method thereof |
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