CN111003819A - Descaling agent composition, descaling method and application - Google Patents
Descaling agent composition, descaling method and application Download PDFInfo
- Publication number
- CN111003819A CN111003819A CN201911330566.XA CN201911330566A CN111003819A CN 111003819 A CN111003819 A CN 111003819A CN 201911330566 A CN201911330566 A CN 201911330566A CN 111003819 A CN111003819 A CN 111003819A
- Authority
- CN
- China
- Prior art keywords
- weight
- parts
- descaling
- pyrophosphate
- composition
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C02F5/105—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 combined with inorganic substances
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
The invention relates to the field of descaling, in particular to a descaling agent composition, a descaling method and application. The composition comprises: 40-76 parts by weight of acetate; 20-45 parts by weight of Na2CO3(ii) a 5-10 parts by weight of pyrophosphate; 5-10 parts by weight of K2CO3(ii) a 1-4 parts by weight of starch; wherein the acetate is water-soluble, and the pyrophosphate is potassium pyrophosphate and/or sodium pyrophosphate. The scale remover composition disclosed by the invention has a high scale removal and inhibition effect, does not corrode equipment, and is particularly environment-friendly.
Description
Technical Field
The invention relates to the field of descaling, in particular to a descaling agent composition, a descaling method and application.
Background
In the prior art, the scale remover mostly uses acidic substances such as composite acid, oxalic acid, sulfamic acid and the like, equipment corrosion can be caused in the scale removing process, and some scale removers contain synthetic polymers which are difficult to degrade, so that the environment is not friendly.
Therefore, a descaling agent with better descaling effect and environmental friendliness is needed.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the descaling corrodes equipment and the descaling agent is not environment-friendly, and the like, and provides a descaling agent composition, a descaling method and application.
In order to achieve the above object, a first aspect of the present invention provides a detergent composition comprising:
40-76 parts by weight of acetate;
20-45 parts by weight of Na2CO3；
5-10 parts by weight of pyrophosphate;
5-10 parts by weight of K2CO3；
1-4 parts by weight of starch;
wherein the acetate is water-soluble, and the pyrophosphate is potassium pyrophosphate and/or sodium pyrophosphate.
In a second aspect, the present invention provides a descaling method comprising: the components of the detergent composition according to the first aspect of the present invention are mixed and packed in a packaging bag, and the packaging bag is placed in circulating water.
In a third aspect, the invention provides the use of a detergent composition according to the first aspect of the invention as a detergent for descaling circulating water.
The scale remover composition disclosed by the invention has a high scale removal and inhibition effect, does not corrode equipment, and is particularly environment-friendly.
Detailed Description
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
In a first aspect the present invention provides a detergent composition comprising:
40-76 parts by weight of acetate;
20-45 parts by weight of Na2CO3；
5-10 parts by weight of pyrophosphate;
5-10 parts by weight of K2CO3；
1-4 parts by weight of starch;
wherein the acetate is water-soluble, and the pyrophosphate is potassium pyrophosphate and/or sodium pyrophosphate.
According to the invention, preferably, the acetate is sodium acetate and the pyrophosphate is sodium pyrophosphate.
According to the invention, the starch preferably has a number average molecular weight of 10000-.
More preferably, the starch is selected from at least one of corn starch, potato starch and sweet potato starch.
In order to further enhance the scale removal and inhibition effect, preferably, the composition comprises:
40-65 parts by weight of sodium acetate;
20-45 parts by weight of Na2CO3；
5-10 parts by weight of sodium pyrophosphate;
5-10 parts by weight of K2CO3；
1-4 parts of corn starch.
In order to further improve the descaling effect, preferably, the sodium acetate is mixed with Na2CO3The weight ratio of (A) to (B) is 0.5 to 3.5, preferably 1 to 3.5, and more preferably 2.5 to 3.5.
According to the invention, preferably K is contained in the detergent composition2CO3May be provided in the form of plant ash.
In a second aspect, the present invention provides a descaling method comprising: the components of the detergent composition according to the first aspect of the present invention are mixed and packed in a packaging bag, and the packaging bag is placed in circulating water.
According to the present invention, the packaging bag includes, but is not limited to, a cloth bag or a paper bag.
Preferably, the temperature of the circulating water is 20-40 ℃.
Preferably, the mass ratio of the scale remover composition to the circulating water is 1: (190-450), preferably 1: (200-400).
In principle, the scale remover can be used in all circulating water containing calcium and magnesium ions, and is particularly suitable for circulating water with the hardness of 500mg/L-1100 mg/L.
When the scale remover composition is used for removing scale (or inhibiting scale) of circulating water, the scale remover composition has the following advantages:
(1) the scale remover composition provided by the invention is used for a long time, so that the equipment does not have the scaling phenomenon;
(2) calcium and magnesium ions in the circulating water can be effectively removed, and scale generation is greatly reduced;
(3) manpower and material resources are saved, and the comprehensive operation cost is greatly reduced;
(4) the scale remover composition disclosed by the invention does not contain synthetic macromolecules which are difficult to degrade, can realize complete degradation of all components, and is particularly environment-friendly.
The present invention will be described in detail below by way of examples.
The raw materials used in the examples and comparative examples were as follows:
corn starch is available from Shanghai Michelin Biotech, Inc.
The plant ash is purchased from organic fertilizer processing factories of Huifeng county of Haicheng Hebei Haicheng.
Shengjie machine manufacturing company, Rongyang.
The removal rate of scale used in examples and comparative examples was calculated by the following formula:
reference example
In a circulating water system (1500kg, the hardness is 800mg/L, the temperature is 35 ℃), the operation is carried out for 1 month, and the mass of the scale generated by the pipeline is calculated and recorded.
Example 1
40 parts by weight of sodium acetate and 44 parts by weight of Na2CO38 parts by weight of sodium pyrophosphate, 6 parts by weight of K2CO3(plant ash), 2 parts by weight of corn starch were mixed to make a descaling composition a 1.
The scale removing composition (4g) was placed in a cloth bag, and then the cloth bag was added to a circulating water system (1500kg, hardness 800mg/L, temperature 35 ℃ C., same as in the reference example) to run for 1 month, and the scale removal rate was 78% according to the above formula.
Example 2
53 parts by weight of sodium acetate and 31 parts by weight of Na2CO38 parts by weight of sodium pyrophosphate, 6 parts by weight of K2CO3(plant ash), 2 parts by weight of corn starch were mixed to make a descaling composition a 2.
The scale removing composition (4g) was placed in a cloth bag, and then the cloth bag was added to a circulating water system (1500kg, hardness 800mg/L, temperature 35 ℃ C., same as in the reference example) to run for 1 month, and the scale removing rate was about 85% as calculated by the above formula.
Example 3
63 parts by weight of sodium acetate and 21 parts by weight of Na2CO38 parts by weight of sodium pyrophosphate, 6 parts by weight of K2CO3(plant ash), 2 parts by weight of corn starch were mixed to make a descaling composition a 3.
The scale removing composition (4g) was placed in a cloth bag, and then the cloth bag was added to a circulating water system (1500kg, hardness 800mg/L, temperature 35 ℃ C., same as in the reference example) to run for 1 month, and the scale removing rate was 92% according to the above formula.
Comparative example 1
Referring to example 3, except that sodium acetate was used in an amount of 85 parts by weight, the rest was the same as in example 3. The components were mixed to formulate a scale removal composition D1.
The descaling was carried out as described in example 3, and the final calculated scale removal was 35%.
Comparative example 2
Referring to example 3, except that the descaling composition did not contain starch, the rest was the same as example 3. The components were mixed to formulate a scale removal composition D2.
The descaling was carried out as described in example 3, and the final calculated scale removal was 5%.
Comparative example 3
Referring to example 3, except that starch was used in an amount of 8 parts by weight, the rest was the same as in example 3. The components were mixed to formulate a scale removal composition D3.
The scale removal was carried out as described in example 3, and the final calculated scale removal was 25%.
Comparative example 4
Referring to example 3, except that the amount of sodium pyrophosphate used was 12 parts by weight, the rest was the same as example 3. The components were mixed to formulate a scale removal composition D4.
The descaling was carried out as described in example 3, and the final calculated scale removal rate was 30%.
Comparative example 5
Referring to example 3, except that the descaling composition did not contain sodium pyrophosphate, the same was used as in example 3. The components were mixed to formulate a scale removal composition D5.
The descaling was carried out as described in example 3, and the final calculated scale removal rate was 20%.
From the above, it can be seen that the detergent compositions having the composition of the present invention have significantly higher removal rate of scale compared to comparative examples 1 to 5, and each component in the detergent compositions can be completely degraded, which is particularly environmentally friendly.
The preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, including combinations of various technical features in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall within the scope of the invention.
Claims (10)
1. A detergent composition comprising:
40-76 parts by weight of acetate;
20-45 parts by weight of Na2CO3；
5-10 parts by weight of pyrophosphate;
5-10 parts by weight of K2CO3；
1-4 parts by weight of starch;
wherein the acetate is water-soluble, and the pyrophosphate is potassium pyrophosphate and/or sodium pyrophosphate.
2. The detergent composition of claim 1, wherein the acetate salt is sodium acetate and the pyrophosphate salt is sodium pyrophosphate.
3. The detergent composition of claim 1, wherein the starch has a number average molecular weight of 10000-40000.
4. The detergent composition of claim 1, wherein the starch is selected from at least one of corn starch, potato starch, and sweet potato starch.
5. The detergent composition of any one of claims 1-4, wherein the composition comprises:
40-65 parts by weight of sodium acetate;
20-45 parts by weight of Na2CO3；
5-10 parts by weight of sodium pyrophosphate;
5-10 parts by weight of K2CO3；
1-4 parts of corn starch.
6. Descaling according to any of claims 1-4A composition of matter wherein said sodium acetate is Na2CO3The weight ratio of (A) to (B) is 0.5 to 3.5, preferably 1 to 3.5, and more preferably 2.5 to 3.5.
7. A descaling method comprising: mixing the components of the detergent composition according to any one of claims 1 to 6 in a package and placing the package in circulating water.
8. The method of claim 7, wherein the mass ratio of the detergent composition to the circulating water is 1: (190-450), preferably 1: (200-400).
9. A method according to claim 7 or 8, wherein the temperature of the circulating water is 20-40 ℃.
10. Use of the detergent composition of any one of claims 1-6 as a detergent for descaling circulating water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911330566.XA CN111003819A (en) | 2019-12-20 | 2019-12-20 | Descaling agent composition, descaling method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911330566.XA CN111003819A (en) | 2019-12-20 | 2019-12-20 | Descaling agent composition, descaling method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111003819A true CN111003819A (en) | 2020-04-14 |
Family
ID=70117545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911330566.XA Pending CN111003819A (en) | 2019-12-20 | 2019-12-20 | Descaling agent composition, descaling method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111003819A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4105573A (en) * | 1976-10-01 | 1978-08-08 | The Procter & Gamble Company | Dishwasher detergent composition |
| CN101913713A (en) * | 2010-03-16 | 2010-12-15 | 上海立昌环境工程有限公司 | Sulfate scale cleaning agent |
| CN105502695A (en) * | 2015-12-11 | 2016-04-20 | 汪保安 | Descaling anticrustator and use method thereof |
-
2019
- 2019-12-20 CN CN201911330566.XA patent/CN111003819A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4105573A (en) * | 1976-10-01 | 1978-08-08 | The Procter & Gamble Company | Dishwasher detergent composition |
| CN101913713A (en) * | 2010-03-16 | 2010-12-15 | 上海立昌环境工程有限公司 | Sulfate scale cleaning agent |
| CN105502695A (en) * | 2015-12-11 | 2016-04-20 | 汪保安 | Descaling anticrustator and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RU2604366C2 (en) | Method of dissolving and/or inhibiting deposition of scale on surface of system | |
| CN103608488A (en) | Corrosion inhibiting composition | |
| CN103910440B (en) | A kind of research of non-phosphorus scale inhibitor | |
| TW201400169A (en) | Flocculant mixture and flocculation method | |
| CN101243207B (en) | Surface-conditioning composition and surface conditioning method | |
| JP2012514574A5 (en) | ||
| CN102337053A (en) | Neutral paint stripper | |
| CN105129944A (en) | Inorganic and modified chitosan composite polymer flocculant | |
| CN101532131A (en) | Long-acting water-based metal rust inhibitor | |
| CN113912195A (en) | Non-phosphorus scale inhibitor for inhibiting silicon scale and preparation method thereof | |
| CN102225809B (en) | Ascorbic acid phosphorus-free corrosion and scale inhibitor, and preparation method thereof | |
| CN111003819A (en) | Descaling agent composition, descaling method and application | |
| CA2479357A1 (en) | Building additives based on purified hydrophobically modified hydroxyalkyl guar | |
| CN106833926B (en) | Asphalt cleaning agent and preparation method thereof | |
| CN106430646B (en) | A kind of processing method of strong corrosive water | |
| CN104562031A (en) | Pre-filming composition and pre-filming method | |
| CN103484266A (en) | Formula of horsehair cleaning liquor | |
| CN106430639A (en) | Treatment method of industrial recirculated cooling water | |
| CN103723841A (en) | Scale inhibitor for sea water desalination | |
| CN103570112A (en) | Preparation method of pre-gelatinized starch-chitosan grafted copolymer flocculating agent for removing heavy metal ions in industrial wastewater | |
| CN104746089B (en) | A kind of environmental-protecting chemical derusting cleaning medicament | |
| CN102051628A (en) | Degradable environment-friendly dirt remover | |
| CN107523427B (en) | Liquid phosphorus-free detergent composition and application thereof | |
| CN110804737A (en) | Environment-friendly oil and rust removing agent and preparation method and application thereof | |
| CN102894067A (en) | Water-retaining anti-staling agent for ham |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200414 |
|
| RJ01 | Rejection of invention patent application after publication |