CN111304680A - Method for preparing cleaning fluid by electrolyzing physiological saline - Google Patents
Method for preparing cleaning fluid by electrolyzing physiological saline Download PDFInfo
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- CN111304680A CN111304680A CN201911317740.7A CN201911317740A CN111304680A CN 111304680 A CN111304680 A CN 111304680A CN 201911317740 A CN201911317740 A CN 201911317740A CN 111304680 A CN111304680 A CN 111304680A
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- electrolysis
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- cleaning solution
- physiological saline
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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
- 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
- C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
Abstract
The invention relates to a method for preparing cleaning fluid by electrolyzing physiological saline, which is characterized by comprising the following steps: step S1, preparing initial electrolyte; step S2, preliminary electrolysis; step S3, merging the electrolyzed water; step S4, secondary electrolysis; and step S5, detection, collection and circulation. The method for preparing the cleaning solution by electrolyzing the physiological saline provided by the invention is simple and easy to implement, can quickly and efficiently generate the electrolytic cleaning solution with the pH value of more than or equal to 13, has low energy consumption, low requirements on electrolysis equipment and reaction conditions, high efficiency and yield, and high economic value, social value and ecological value. And a special electrolysis device is not needed, so that the cost is effectively reduced, and the cycle service life of the electrolysis device is prolonged.
Description
Technical Field
The invention relates to the technical field of electrolysis, in particular to a method for preparing cleaning fluid by electrolyzing physiological saline.
Background
Electrolysis (Electrolysis) is a process in which an electric current is passed through an electrolyte solution or a molten electrolyte (also called an electrolyte solution) to cause oxidation-reduction reactions on a cathode plate and an anode plate, and an electrochemical cell can perform an Electrolysis process when a direct current voltage is applied. During electrolysis, acidic electrolyzed water is obtained on the anode side, and alkaline electrolyzed water is obtained on the cathode side. The alkaline electrolyzed water obtained by electrolysis can be used for cleaning liquid to clean oil stains, fruits and vegetables, and has the functions of deodorization and deodorization. This makes it possible to electrolytically produce the cleaning liquid.
The oxidation-reduction potential (ORP) of the electrolytic cleaning liquid is greatly different from that of ordinary water or a potassium hydroxide solution and the like. Wherein, the ORP value of the electrolytic cleaning liquid can be as low as-1000 mv, which shows that the electrolytic cleaning liquid has strong reducibility, and the strong reducing agent causes that the electrolytic cleaning liquid has strong bactericidal activity and other characteristics which are not possessed by acid-base solutions with the same pH value. Because a certain membrane potential exists on two sides of the cell membrane of pathogenic bacteria, general microorganisms can only live in the environment with the ORP value within the range of-400 mV to +900mV, once the potential of the external environment exceeds the range, the potential difference between the inside and the outside of the cell membrane is changed, the permeability of the membrane is enhanced, the cell membrane is burst and the microorganisms die. Due to such a principle, the electrolytic cleaning solution has a certain bactericidal activity. More particularly, the sterilization principle of the electrolytic cleaning solution is essentially different from that of chemicals, so that the electrolytic cleaning solution can achieve rapid sterilization effect and broad-spectrum sterilization, and avoid the generation of drug resistance of pathogenic bacteria. In addition, during electrolysis, many free radicals are generated in water, and the free radicals play a role in assisting sterilization. Because the active free radicals are continuously oxidized or reduced into common water in the natural environment and the sterilization process, no residue and pollution are generated when the electrolytic cleaning solution is used for sterilization and disinfection.
The electrolysis cleaning solution in the prior art has weak alkalinity and limited sterilization effect, the electrolysis technology is singly connected with direct electricity for electrolysis, the efficiency is slow, and the generated hydration ion groups and large water molecular groups in the electrolysis cleaning solution can not be completely changed into small hydration ion groups and small water molecular groups. Most of the electrolyzing devices used in the prior electrolyzing method are ion exchange membrane type electrolyzing devices, however, the cost of the electrolyzing device is high and the service life is short because the prior ion exchange membrane is high in price and easy to damage. Although the existing method can preliminarily produce a certain amount of electrolytic cleaning solution, the control accuracy and sensitivity are low, so that the alkalinity is not satisfactory in time, and the controllability is poor.
Therefore, the method for preparing the cleaning solution by electrolyzing the physiological saline, which has higher efficiency and yield, more accurate control on the pH of the electrolyzed water and lower electrolysis cost, is developed to meet the market demand, has wide market value and application prospect and has a promoting effect on the development of the industry based on the electrolyzed water bactericide.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a method for preparing a cleaning solution by electrolyzing physiological saline, which is simple and easy to implement, can quickly and efficiently generate an electrolysis cleaning solution with the pH value of more than or equal to 13, has low energy consumption, low requirements on electrolysis equipment and reaction conditions, high efficiency and yield, and high economic value, social value and ecological value. And a special electrolysis device is not needed, so that the cost is effectively reduced, and the cycle service life of the electrolysis device is prolonged.
In order to achieve the purpose, the invention adopts the technical scheme that:
a method for preparing a cleaning solution by electrolyzing physiological saline is characterized by comprising the following steps:
step S1, initial electrolyte preparation: adding purified water and normal saline into a mixing device simultaneously, and uniformly mixing to form initial electrolyte;
step S2, preliminary electrolysis: adding the initial electrolyte prepared in the step S1 into an electrolysis device for preliminary electrolysis to obtain preliminary electrolyzed water; gas generated by electrolysis Cl2Recycling the generated HClO liquid again, and collecting the HClO liquid for daily cleaning and disinfection;
step S3, merging of electrolyzed water: merging a part of the preliminary electrolyzed water produced in the step S2 with the preliminary electrolytic solution produced in the step S1 through a return bypass flow path provided in the electrolytic cell and communicatively connected to the cathode chamber of the electrolytic cell;
step S4, secondary electrolysis: the combined electrolyte solution obtained in step S3 is again fed into the electrolysis apparatus for secondary electrolysis to generate Cl gas2Recycling the generated HClO liquid again, and collecting the HClO liquid for daily cleaning and disinfection; cleaning liquid is sprayed out from the cathode chamber after the electrolysis is finished;
step S5, detecting, collecting, and circulating: and (4) carrying out pH detection on the sprayed cleaning solution, collecting part of the cleaning solution after the cleaning solution is qualified, and continuously carrying out circular electrolysis on other residual cleaning solutions according to the flow.
Further, the flow ratio of the purified water to the physiological saline in step S1 is 500 (5-8).
Further, the mixing device comprises a box body, a purified water inlet, a normal saline inlet, a reflux inlet, a liquid outlet and a stirrer.
Further, in step S2, the electrolysis device includes an electrolysis cell and a return bypass flow path, and the return bypass flow path is connected to the cathode chamber of the electrolysis cell and the return inlet of the mixing device.
Furthermore, a valve is arranged on the return bypass flow path.
Further, the electrolytic cell has an anode chamber and a cathode chamber partitioned by a diaphragm, and the electrolytic solution is electrolyzed by supplying the electrolytic solution and supplying electricity to electrodes provided in the respective electrode chambers through the diaphragm, whereby the acid solution is discharged from the anode chamber and the cleaning solution is discharged from the cathode chamber.
Further, the preliminary electrolysis time in step S2 is 4 to 6 hours.
Further, the confluence flow ratio of the preliminary electrolytic water and the preliminary electrolytic solution in step S3 is 1 (10-15).
Further, the secondary electrolysis time in step S4 is 24 to 32 hours.
Further, the qualified standard in step S5 is that the PH is greater than or equal to 13.1.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the method for preparing the cleaning solution by electrolyzing the physiological saline provided by the invention is simple and easy to implement, can quickly and efficiently generate the electrolytic cleaning solution with the pH value of more than or equal to 13, has low energy consumption, low requirements on electrolysis equipment and reaction conditions, high efficiency and yield, and high economic value, social value and ecological value. The special electrolytic device is not needed, the cost is effectively reduced, the cycle service life of the electrolytic device is prolonged, and the production of the electrolytic cleaning solution with the pH value of more than or equal to 13 is realized by adopting physiological saline for the first time through repeated circulation electrolysis of backflow.
Detailed Description
The invention relates to a method for preparing cleaning fluid by electrolyzing physiological saline, which is characterized by comprising the following steps:
step S1, initial electrolyte preparation: adding purified water and normal saline into a mixing device simultaneously, and uniformly mixing to form initial electrolyte;
step S2, preliminary electrolysis: adding the initial electrolyte prepared in the step S1 into an electrolysis device for preliminary electrolysis to obtain preliminary electrolyzed water; gas generated by electrolysis Cl2Recycling the generated HClO liquid again, and collecting the HClO liquid for daily cleaning and disinfection;
step S3, merging of electrolyzed water: merging a part of the preliminary electrolyzed water produced in the step S2 with the preliminary electrolytic solution produced in the step S1 through a return bypass flow path provided in the electrolytic cell and communicatively connected to the cathode chamber of the electrolytic cell;
step S4, secondary electrolysis: the combined electrolyte solution obtained in step S3 is again fed into the electrolysis apparatus for secondary electrolysis to generate Cl gas2Recycling the generated HClO liquid again, and collecting the HClO liquid for daily cleaning and disinfection; cleaning liquid is sprayed out from the cathode chamber after the electrolysis is finished;
step S5, detecting, collecting, and circulating: and (4) carrying out pH detection on the sprayed cleaning solution, collecting part of the cleaning solution after the cleaning solution is qualified, and continuously carrying out circular electrolysis on other residual cleaning solutions according to the flow.
Further, the flow ratio of the purified water to the normal saline in the step S1 is 500 (5-8); the mixing device comprises a box body, a purified water inlet, a normal saline inlet, a reflux inlet, a liquid outlet and a stirrer; the electrolysis device in the step S2 comprises an electrolysis bath and a reflux bypass flow path, wherein the reflux bypass flow path is communicated and connected with the cathode chamber of the electrolysis bath and the reflux liquid inlet of the mixing device; a valve is arranged on the return bypass flow path; an electrolytic cell having an anode chamber and a cathode chamber partitioned by a diaphragm, wherein an electrolytic solution is supplied and an electric current is applied between electrodes arranged in the respective electrode chambers via the diaphragm to electrolyze the electrolytic solution, thereby discharging an acid solution from the anode chamber and a cleaning solution from the cathode chamber; the preliminary electrolysis time in the step S2 is 4-6 hours; in the step S3, the confluence flow ratio of the primary electrolyzed water and the primary electrolyte is 1 (10-15); the secondary electrolysis time in the step S4 is 24-32 hours; in step S5, the qualified standard is that the PH is more than or equal to 13.1.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the method for preparing the cleaning solution by electrolyzing the physiological saline provided by the invention is simple and easy to implement, can quickly and efficiently generate the electrolytic cleaning solution with the pH value of more than or equal to 13, has low energy consumption, low requirements on electrolysis equipment and reaction conditions, high efficiency and yield, and high economic value, social value and ecological value. The special electrolytic device is not needed, the cost is effectively reduced, the cycle service life of the electrolytic device is prolonged, and the production of the electrolytic cleaning solution with the pH value of more than or equal to 13 is realized by adopting physiological saline for the first time through repeated circulation electrolysis of backflow.
The invention will be further described with reference to specific examples, but the scope of protection of the invention is not limited thereto:
example 1
The embodiment provides a method for preparing a cleaning solution by electrolyzing physiological saline, which is characterized by comprising the following steps:
step S1, initial electrolyte preparation: adding purified water and normal saline into a mixing device simultaneously, and uniformly mixing to form initial electrolyte;
step S2, preliminary electrolysis: adding the initial electrolyte prepared in the step S1 into an electrolysis device for preliminary electrolysis to obtain preliminary electrolyzed water; gas generated by electrolysis Cl2Recycling the generated HClO liquid again, and collecting the HClO liquid for daily cleaning and disinfection;
step S3, merging of electrolyzed water: merging a part of the preliminary electrolyzed water produced in the step S2 with the preliminary electrolytic solution produced in the step S1 through a return bypass flow path provided in the electrolytic cell and communicatively connected to the cathode chamber of the electrolytic cell;
step S4, secondary electrolysis: the combined electrolyte solution obtained in step S3 is again fed into the electrolysis apparatus for secondary electrolysis to generate Cl gas2Recycling the generated HClO liquid again, and collecting the HClO liquid for daily cleaning and disinfection; cleaning liquid is sprayed out from the cathode chamber after the electrolysis is finished;
step S5, detecting, collecting, and circulating: and (4) carrying out pH detection on the sprayed cleaning solution, collecting part of the cleaning solution after the cleaning solution is qualified, and continuously carrying out circular electrolysis on other residual cleaning solutions according to the flow.
The flow ratio of the purified water to the normal saline in the step S1 is 500: 5.
The mixing device comprises a box body, a purified water inlet, a normal saline inlet, a reflux inlet, a liquid outlet and a stirrer. And in the step S2, the electrolysis device comprises an electrolysis bath and a reflux bypass flow path, and the reflux bypass flow path is communicated and connected with the cathode chamber of the electrolysis bath and the reflux liquid inlet of the mixing device. And a valve is arranged on the return bypass flow path. The electrolytic cell includes an anode chamber and a cathode chamber partitioned by a diaphragm, and the electrolytic solution is electrolyzed by supplying the electrolytic solution and supplying electricity to electrodes disposed in the respective electrode chambers via the diaphragm, whereby an acid solution is discharged from the anode chamber and a cleaning solution is discharged from the cathode chamber.
The preliminary electrolysis time in step S2 was 4 hours. The confluence flow ratio of the preliminary electrolytic water and the preliminary electrolytic solution in step S3 was 1: 10. The secondary electrolysis time in step S4 was 24 hours. In step S5, the qualified standard is that the PH is more than or equal to 13.1.
Example 2
This example provides a method for preparing a cleaning solution by electrolyzing physiological saline, which is substantially the same as in example 1, except that the flow ratio of purified water to physiological saline in step S1 is 500: 6; the preliminary electrolysis time in step S2 was 4.5 hours; the confluence flow ratio of the primary electrolyzed water and the primary electrolyte in the step S3 is 1: 11; the secondary electrolysis time in step S4 was 26 hours.
Example 3
This example provides a method for preparing a cleaning solution by electrolyzing physiological saline, which is substantially the same as in example 1, except that the flow ratio of the purified water to the physiological saline in step S1 is 500: 6.5; the preliminary electrolysis time in step S2 is 5 hours; the confluence flow ratio of the primary electrolyzed water and the primary electrolyte in the step S3 is 1: 13; the secondary electrolysis time in step S4 was 28 hours.
Example 4
This example provides a method for preparing a cleaning solution by electrolyzing physiological saline, which is substantially the same as in example 1 except that the flow ratio of purified water to physiological saline in step S1 is 500: 7; the preliminary electrolysis time in step S2 was 5.5 hours; the confluence flow ratio of the primary electrolyzed water and the primary electrolyte in the step S3 is 1: 14; the secondary electrolysis time in step S4 was 30 hours.
Example 5
This example provides a method for preparing a cleaning solution by electrolyzing physiological saline, which is substantially the same as in example 1, except that the flow ratio of purified water to physiological saline in step S1 is 500: 8; the preliminary electrolysis time in step S2 is 6 hours; the confluence flow ratio of the primary electrolyzed water and the primary electrolyte in the step S3 is 1: 15; the secondary electrolysis time in step S4 was 32 hours.
Comparative example
This comparative example provides a method for preparing a cleansing liquid by electrolyzing physiological saline, which is substantially the same as in example 1 except that the electrolyzed water is not merged at step S3.
Upon examination, the process of electrolyzing saline to produce a rinse solution as described in examples 1-5 achieved a pH of 13.1 versus a comparative pH of 12, and it can be seen that the electrolyzed hydration flow step of the present invention is beneficial for the production of high pH rinse solutions.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. A method for preparing a cleaning solution by electrolyzing physiological saline is characterized by comprising the following steps:
step S1, initial electrolyte preparation: adding purified water and normal saline into a mixing device simultaneously, and uniformly mixing to form initial electrolyte;
step S2, preliminary electrolysis: adding the initial electrolyte prepared in the step S1 into an electrolysis device for preliminary electrolysis to obtain preliminary electrolyzed water; gas generated by electrolysis Cl2Recycling the generated HClO liquid again, and collecting the HClO liquid for daily cleaning and disinfection;
step S3, merging of electrolyzed water: merging a part of the preliminary electrolyzed water produced in the step S2 with the preliminary electrolytic solution produced in the step S1 through a return bypass flow path provided in the electrolytic cell and communicatively connected to the cathode chamber of the electrolytic cell;
step S4, secondary electrolysis: the combined electrolyte solution obtained in step S3 is again fed into the electrolysis apparatus for secondary electrolysis to generate Cl gas2Recycling the generated HClO liquid again, and collecting the HClO liquid for daily cleaning and disinfection; cleaning liquid is sprayed out from the cathode chamber after the electrolysis is finished;
step S5, detecting, collecting, and circulating: and (4) carrying out pH detection on the sprayed cleaning solution, collecting part of the cleaning solution after the cleaning solution is qualified, and continuously carrying out circular electrolysis on other residual cleaning solutions according to the flow.
2. The method for preparing a cleaning solution by electrolyzing physiological saline as claimed in claim 1, wherein the flow ratio of purified water to physiological saline in step S1 is 500 (5-8).
3. The method for preparing a cleaning solution by electrolyzing normal saline as claimed in claim 1, wherein said mixing device comprises a tank, a purified water inlet, a normal saline inlet, a reflux inlet, a liquid outlet and a stirrer.
4. The method as claimed in claim 1, wherein the electrolyzing device comprises an electrolyzing tank and a reflux bypass flow path in step S2, the reflux bypass flow path is connected to the cathode chamber of the electrolyzing tank and the reflux inlet of the mixing device.
5. The method for preparing a cleaning solution by electrolyzing physiological saline as claimed in claim 4, wherein said return bypass flow path is provided with a valve.
6. The method of claim 1, wherein the electrolytic cell has an anode chamber and a cathode chamber partitioned by a diaphragm, and the electrolytic solution is electrolyzed by supplying the electrolytic solution and supplying electricity to electrodes provided in the respective polar chambers via the diaphragm, whereby the acid solution is discharged from the anode chamber and the cleaning solution is discharged from the cathode chamber.
7. The method for preparing a cleaning solution by electrolyzing physiological saline as claimed in claim 1, wherein said preliminary electrolysis time in step S2 is 4-6 hours.
8. The method for producing a cleaning solution by electrolyzing a physiological saline as claimed in claim 1, wherein the confluence flow ratio of said preliminary electrolyzed water and said preliminary electrolytic solution in step S3 is 1 (10-15).
9. The method for preparing a cleaning solution by electrolyzing physiological saline as claimed in claim 1, wherein said secondary electrolysis time in step S4 is 24-32 hours.
10. The method for preparing a cleaning solution by electrolyzing physiological saline as claimed in claim 1, wherein said qualification criterion in step S5 is pH ≥ 13.1.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911317740.7A CN111304680A (en) | 2019-12-19 | 2019-12-19 | Method for preparing cleaning fluid by electrolyzing physiological saline |
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| US20020036134A1 (en) * | 1997-10-22 | 2002-03-28 | Kazuhiro Shirota | Manufacturing method and apparatus for making alkaline ionized water and acidic water |
| CN104163475A (en) * | 2014-08-08 | 2014-11-26 | 赵劲松 | Production process of single-cycle electrolytic water |
| CN104176793A (en) * | 2014-08-08 | 2014-12-03 | 赵劲松 | Production process for preparing strong alkaline electrolysed water at one side |
| CN204999658U (en) * | 2015-08-27 | 2016-01-27 | 宁波方太厨具有限公司 | High alkaline water preparing system of getting |
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| CN106006852A (en) * | 2016-05-27 | 2016-10-12 | 潘灿平 | Alkaline electrolyzed water and application thereof to agriculture sterilization |
| CN106145274A (en) * | 2015-04-02 | 2016-11-23 | 上海净宝环保科技有限公司 | A kind of electrolytic water generating device |
| CN109626515A (en) * | 2018-12-29 | 2019-04-16 | 佛山市海狮凯尔科技有限公司 | Control method and system based on electrolysis soda acid water dispenser |
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2019
- 2019-12-19 CN CN201911317740.7A patent/CN111304680A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020036134A1 (en) * | 1997-10-22 | 2002-03-28 | Kazuhiro Shirota | Manufacturing method and apparatus for making alkaline ionized water and acidic water |
| CN104163475A (en) * | 2014-08-08 | 2014-11-26 | 赵劲松 | Production process of single-cycle electrolytic water |
| CN104176793A (en) * | 2014-08-08 | 2014-12-03 | 赵劲松 | Production process for preparing strong alkaline electrolysed water at one side |
| CN106145274A (en) * | 2015-04-02 | 2016-11-23 | 上海净宝环保科技有限公司 | A kind of electrolytic water generating device |
| CN204999658U (en) * | 2015-08-27 | 2016-01-27 | 宁波方太厨具有限公司 | High alkaline water preparing system of getting |
| CN105753109A (en) * | 2016-03-02 | 2016-07-13 | 京翰林微电水（北京）科技有限公司 | Electrolysis device for generating strong-alkalinity micro electric water with pH value of 12 or above |
| CN106006852A (en) * | 2016-05-27 | 2016-10-12 | 潘灿平 | Alkaline electrolyzed water and application thereof to agriculture sterilization |
| CN109626515A (en) * | 2018-12-29 | 2019-04-16 | 佛山市海狮凯尔科技有限公司 | Control method and system based on electrolysis soda acid water dispenser |
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