CN113388848A - Production method for preparing hypochlorous acid solution by electrolyzing salt - Google Patents
Production method for preparing hypochlorous acid solution by electrolyzing salt Download PDFInfo
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- CN113388848A CN113388848A CN202110669819.7A CN202110669819A CN113388848A CN 113388848 A CN113388848 A CN 113388848A CN 202110669819 A CN202110669819 A CN 202110669819A CN 113388848 A CN113388848 A CN 113388848A
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- electrolytic cell
- hypochlorous acid
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- table salt
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/24—Halogens or compounds thereof
- C25B1/26—Chlorine; Compounds thereof
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/22—Inorganic acids
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/60—Constructional parts of cells
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- Electrochemistry (AREA)
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- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention relates to the technical field of electrolytic preparation, and discloses a production method for preparing hypochlorous acid liquid by electrolyzing table salt, which comprises the following raw materials in parts by weight: food salt 260-. According to the production method for preparing the hypochlorous acid liquid by electrolyzing the table salt, tap water and the table salt are adopted, firstly, certain control is obtained in cost, the price is low, the source is wide, the time for finding materials is greatly reduced, sufficient operation time is provided for operators, and by adopting the diaphragm-free electrolysis preparation method system, the operation difficulty is greatly reduced due to the fact that no diaphragm is arranged, the diaphragm does not need to be replaced, installation and placement of the diaphragm are considered when the diaphragm is used next time, the production efficiency is effectively improved, alkaline water is not generated in the production process, a large amount of raw materials can be saved, the electrolytic cell is placed by inclining for 20-40 degrees in the electrolytic process, the situation that the circulation of electrolyte in the electrolytic cell is not smooth and blocked is effectively avoided, and the stability of liquid outlet is greatly enhanced.
Description
Technical Field
The invention relates to the technical field of electrolytic preparation, in particular to a production method for preparing hypochlorous acid liquid by electrolyzing table salt.
Background
Hypochlorous acid of the chemical formula HClO, the structural formula H-O-Cl, only exists in a solution, dilute solution is colorless, hypochlorous acid is weak acid, but has strong oxidizability and bleaching action, so hypochlorous acid water can be used as sterilizing disinfectant water, through research, the hypochlorous acid water has high sterilizing speed, good effect and strong deodorizing power, has high safety to human and animals, can be decomposed after reacting with organic matters or being irradiated by ultraviolet rays, has no residue, has no load to the environment, has the sterilizing effect based on the hypochlorous acid, and is cheap, so the hypochlorous acid water can be used for sterilizing and disinfecting in medical institutions and food processing enterprises, and household hypochlorous acid water sterilizing equipment in Japan and Taiwan areas of China has been provided.
The existing hypochlorous acid water preparation equipment is various and comprises a synthesis method, a mixing method, an electrolysis method and an non-electrolysis method, wherein the hypochlorous acid water is generated by the electrolysis method, a solution containing Cl is used as an electrolyte, and a hypochlorous acid water solution is generated by electrolysis.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the production method for preparing the hypochlorous acid liquid by electrolyzing the table salt, which has the advantages of low manufacturing cost and simple operation, and solves the problems that the diaphragm is adopted in the traditional electrolysis process, the diaphragm is easy to damage after long service time, the electrolysis effect quality is poor, and the diaphragm needs to be frequently replaced due to complex operation.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a production method for preparing hypochlorous acid liquid by electrolyzing table salt comprises the following raw materials in parts by weight: food salt 260-.
Preferably, the salt is edible fine salt, and the tap water is purified water which is processed and has no impurities after being filtered.
Preferably, the anode in the electrolytic cell is metal platinum and the cathode is metal titanium ruthenium iridium.
Preferably, the electrolytic cell is placed at an inclined angle, and the inclined angle is set to be 20-40 degrees.
Preferably, after the electrolytic cell is electrified, ions do directional movement, and the pH value of the prepared hypochlorous acid liquid is 4.0-7.0-1.0.
The invention aims to solve another technical problem and provides a production method for preparing hypochlorous acid liquid by electrolyzing table salt, which comprises the following steps: the method comprises the following steps:
1) tap water and table salt were weighed in proportion, 8000g of water and 260g of table salt.
2) 8000g of water and 260g of salt weighed in proportion in the step 1) are introduced into the electrolytic cell.
3) The inside of the electrolytic cell is provided with cathode and anode electrode plates, the cathode and anode electrode plates are electrified, and the voltage is controlled between 5V and 220V.
4) When 8000g of water and 260g of salt in the step 2) are in contact with the cathode and anode electrode plates of the electrolytic cell in the step 3), cations move to the cathode, electrons are obtained at the cathode and reduced, anions move to the anode, electrons are lost at the anode and oxidized, and oxidation-reduction reaction is carried out.
5) Setting the electrifying time of the electrolytic cell in the step 3) to be 6-8 min.
6) And (3) arranging a circulation hole at the bottom of the electrolytic cell, closing the power supply of the electrolytic cell in the step 5) after the time is over, and allowing the electrolyzed solution to flow out through the circulation hole to finish collection, so that the preparation of the hypochlorous acid solution is finished.
(III) advantageous effects
Compared with the prior art, the invention provides a production method for preparing hypochlorous acid liquid by electrolyzing table salt, which has the following beneficial effects:
according to the production method for preparing the hypochlorous acid liquid by electrolyzing the table salt, tap water and the table salt are adopted, firstly, certain control is obtained in cost, the price is low, the source is wide, the time for finding materials is greatly reduced, sufficient operation time is provided for operators, and by adopting the diaphragm-free electrolysis preparation method system, the operation difficulty is greatly reduced due to the fact that no diaphragm is arranged, the diaphragm does not need to be replaced, installation and placement of the diaphragm are considered when the diaphragm is used next time, the production efficiency is effectively improved, alkaline water is not generated in the production process, a large amount of raw materials can be saved, the electrolytic cell is placed by inclining for 20-40 degrees in the electrolytic process, the situation that the circulation of electrolyte in the electrolytic cell is not smooth and blocked is effectively avoided, and the stability of liquid outlet is greatly enhanced.
Drawings
FIG. 1 is a flow chart of the structure of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows: a production method for preparing hypochlorous acid liquid by electrolyzing table salt comprises the following raw materials in parts by weight: 260g of table salt and 8000g of tap water.
A production method for preparing hypochlorous acid liquid by electrolyzing table salt comprises the following steps:
1) tap water and table salt were weighed in proportion, 8000g of water and 260g of table salt.
2) 8000g of water and 260g of salt weighed in proportion in the step 1) are introduced into the electrolytic cell.
3) The inside of the electrolytic cell is provided with cathode and anode electrode plates, the cathode and anode electrode plates are electrified, and the voltage is controlled between 5V and 220V.
4) When 8000g of water and 260g of salt in the step 2) are in contact with the cathode and anode electrode plates of the electrolytic cell in the step 3), cations move to the cathode, electrons are obtained at the cathode and reduced, anions move to the anode, electrons are lost at the anode and oxidized, and oxidation-reduction reaction is carried out.
5) Setting the electrifying time of the electrolytic cell in the step 3) as 6 min.
6) And (3) arranging a circulation hole at the bottom of the electrolytic cell, closing the power supply of the electrolytic cell in the step 5) after the time is over, and allowing the electrolyzed solution to flow out through the circulation hole to finish collection, so that the preparation of the hypochlorous acid solution is finished.
Example two: a production method for preparing hypochlorous acid liquid by electrolyzing table salt comprises the following raw materials in parts by weight: 320g of salt and 8700g of tap water.
A production method for preparing hypochlorous acid liquid by electrolyzing table salt comprises the following steps:
1) tap water and table salt were weighed in proportion, 8700g water and 320g table salt.
2) 8700g of water and 320g of salt weighed in proportion in step 1) were introduced into the electrolytic cell.
3) The inside of the electrolytic cell is provided with cathode and anode electrode plates, the cathode and anode electrode plates are electrified, and the voltage is controlled between 5V and 220V.
4) When 8700g of water and 320g of salt in the step 2) are in contact with the cathode and anode electrode plates of the electrolytic cell in the step 3), cations move to the cathode, electrons are obtained at the cathode and reduced, anions move to the anode, electrons are lost at the anode and oxidized, and oxidation-reduction reaction is carried out.
5) Setting the electrifying time of the electrolytic cell in the step 3) to be 7 min.
6) And (3) arranging a circulation hole at the bottom of the electrolytic cell, closing the power supply of the electrolytic cell in the step 5) after the time is over, and allowing the electrolyzed solution to flow out through the circulation hole to finish collection, so that the preparation of the hypochlorous acid solution is finished.
Example three: a production method for preparing hypochlorous acid liquid by electrolyzing table salt comprises the following raw materials in parts by weight: 380g of salt and 9400g of tap water.
A production method for preparing hypochlorous acid liquid by electrolyzing table salt comprises the following steps:
1) tap water and salt were weighed in proportion, 9400g water and 380g salt.
2) 9400g of water and 380g of salt weighed in proportion in step 1) are introduced into the electrolytic cell.
3) The inside of the electrolytic cell is provided with cathode and anode electrode plates, the cathode and anode electrode plates are electrified, and the voltage is controlled between 5V and 220V.
4) When 9400g of water and 380g of salt in the step 2) are in contact with the cathode and anode electrode plates of the electrolytic cell in the step 3), cations move to the cathode, electrons are obtained at the cathode and reduced, anions move to the anode, electrons are lost at the anode and oxidized, and oxidation-reduction reaction is carried out.
5) Setting the electrifying time of the electrolytic cell in the step 3) to be 8 min.
6) And (3) arranging a circulation hole at the bottom of the electrolytic cell, closing the power supply of the electrolytic cell in the step 5) after the time is over, and allowing the electrolyzed solution to flow out through the circulation hole to finish collection, so that the preparation of the hypochlorous acid solution is finished.
The invention has the beneficial effects that: according to the production method for preparing hypochlorous acid liquid by electrolyzing the table salt, tap water and the table salt are adopted, certain control is obtained on the cost, the price is low, the source is wide, the time for finding materials is greatly reduced, sufficient operation time is provided for operators, the diaphragm-free electrolysis preparation method system is adopted, the operation difficulty is greatly reduced due to the fact that the diaphragm is not arranged, the diaphragm does not need to be replaced, installation and placement of the diaphragm are not needed when the diaphragm is used next time, the production efficiency is effectively improved, alkaline water is not generated in the production process, a large amount of raw materials can be saved, the electrolytic bath is placed in an inclined mode of 20-40 degrees in the electrolytic process, unsmooth circulation and blockage of electrolyte in the electrolytic bath are effectively avoided, and the stability of liquid outlet is greatly enhanced
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The production method for preparing hypochlorous acid liquid by electrolyzing table salt is characterized by comprising the following raw materials in parts by weight: food salt 260-.
2. A production method for preparing hypochlorous acid liquid by electrolyzing table salt is characterized by comprising the following steps:
1) tap water and table salt were weighed in proportion, 8000g of water and 260g of table salt.
2) 8000g of water and 260g of salt weighed in proportion in the step 1) are introduced into the electrolytic cell.
3) The inside of the electrolytic cell is provided with cathode and anode electrode plates, the cathode and anode electrode plates are electrified, and the voltage is controlled between 5V and 220V.
4) When 8000g of water and 260g of salt in the step 2) are in contact with the cathode and anode electrode plates of the electrolytic cell in the step 3), cations move to the cathode, electrons are obtained at the cathode and reduced, anions move to the anode, electrons are lost at the anode and oxidized, and oxidation-reduction reaction is carried out.
5) Setting the electrifying time of the electrolytic cell in the step 3) to be 6-8 min.
6) And (3) arranging a circulation hole at the bottom of the electrolytic cell, closing the power supply of the electrolytic cell in the step 5) after the time is over, and allowing the electrolyzed solution to flow out through the circulation hole to finish collection, so that the preparation of the hypochlorous acid solution is finished.
3. The method for producing hypochlorous acid liquid by electrolyzing table salt as claimed in claim 1, wherein the table salt is food grade fine salt, and the tap water is purified water which has been treated and filtered to remove impurities.
4. The method for producing hypochlorous acid liquid by electrolyzing table salt as claimed in claim 2, wherein the anode of the electrolytic cell is platinum metal, and the cathode is titanium, ruthenium and iridium metal.
5. The method for producing hypochlorous acid liquid by electrolyzing table salt as claimed in claim 2, wherein said electrolytic cell is placed at an inclined angle of 20 ° to 40 °.
6. The method as claimed in claim 2, wherein the pH of the hypochlorous acid solution is 4.0-7.0 and 1.0, and the ions move directionally after the electrolytic cell is powered on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110669819.7A CN113388848A (en) | 2021-06-17 | 2021-06-17 | Production method for preparing hypochlorous acid solution by electrolyzing salt |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110669819.7A CN113388848A (en) | 2021-06-17 | 2021-06-17 | Production method for preparing hypochlorous acid solution by electrolyzing salt |
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| CN113388848A true CN113388848A (en) | 2021-09-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115874198A (en) * | 2023-02-09 | 2023-03-31 | 聊城颐鲁新材料有限公司 | Method for producing subacid hypochlorous acid water without adding hydrochloric acid for diaphragm-free electrolytic cell |
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2021
- 2021-06-17 CN CN202110669819.7A patent/CN113388848A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115874198A (en) * | 2023-02-09 | 2023-03-31 | 聊城颐鲁新材料有限公司 | Method for producing subacid hypochlorous acid water without adding hydrochloric acid for diaphragm-free electrolytic cell |
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Effective date of registration: 20230615 Address after: 102300 room a-8201, building 3, No. 20, Yong'an Road, Shilong Economic Development Zone, Mentougou District, Beijing (cluster registration) Applicant after: Beijing Moyan Industrial Design Co.,Ltd. Address before: 202172 room 3194, building 3, No. 495, Yuejin South Road, Xinhai Town, Chongming District, Shanghai (Guangming rice industry economic Park) Applicant before: Shanghai Yixu Information Technology Center |