CN111979560A - Instant chlorine-containing electrolyte and preparation method thereof - Google Patents
Instant chlorine-containing electrolyte and preparation method thereof Download PDFInfo
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- CN111979560A CN111979560A CN202010823364.5A CN202010823364A CN111979560A CN 111979560 A CN111979560 A CN 111979560A CN 202010823364 A CN202010823364 A CN 202010823364A CN 111979560 A CN111979560 A CN 111979560A
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- 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
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Abstract
The invention discloses an instant chlorine-containing electrolyte and a preparation method thereof, wherein the instant chlorine-containing electrolyte is prepared from 60-90 parts of edible salt, 1-20 parts of an acid source and 1-20 parts of an alkali source, and the preparation method comprises the following steps: (1) weighing a proper amount of edible salt in parts by mass; (2) weighing an acid source and an alkali source, grinding the acid source and the alkali source respectively by using a mortar, and then carrying out necessary drying, cooling and sieving; (3) weighing edible salt and the acid source and the alkali source obtained in the step (2) according to the proportion of the instant chlorine-containing electrolyte in the step (1), sequentially adding the edible salt and the acid source and the alkali source into a stirring device, starting the stirring device to mix materials, stopping stirring after the materials are uniformly mixed, and drying the materials; (4) taking a proper amount of the materials obtained in the step (3), shaping by a machine and packaging. The chlorine-containing electrolyte prepared by the method is dissolved quickly, and the preparation efficiency can be greatly improved when the chlorine-containing electrolyte is used for preparing a sodium hypochlorite solution by industrial electrolysis.
Description
Technical Field
The invention relates to a chlorine-containing electrolyte and a preparation method thereof, in particular to an instant chlorine-containing electrolyte and a preparation method thereof.
Background
Sodium hypochlorite is a chlorine-containing disinfectant widely used, the current method for preparing sodium hypochlorite is mainly an electrolytic method, and since sodium hypochlorite liquid is not easy to store for a long time, and is inconvenient to transport, a sodium hypochlorite generator is mostly adopted to prepare sodium hypochlorite through field electrolysis at the present stage, namely edible salt is added into a salt dissolving device to be dissolved into saline water with certain concentration, and then the saline solution is electrolyzed into the sodium hypochlorite solution with certain concentration through electrolytic reaction of electrodes, wherein the sodium hypochlorite generator generally comprises a salt dissolving device, an electrolysis device, distillation equipment, a pairing water system, an automatic control device, a medicine liquid storage tank and the like.
The electrolytic preparation process of sodium hypochlorite has no requirement on the upper limit of the concentration of a salt solution, the higher the concentration of the salt solution is, the higher the electrolytic efficiency is, and the slower the dissolution speed is according to the physical properties of the salt, so that if the electrolytic preparation efficiency of sodium hypochlorite is lower by preparing the salt solution with higher concentration by using the existing chlorine-containing electrolyte, the high-efficiency preparation and industrial production of the sodium hypochlorite are greatly inconvenient, and the instant chlorine-containing electrolyte can be prepared into an effervescent salt product which can be quickly dissolved and used for electrolytic preparation of the sodium hypochlorite solution by adding different varieties and proportions of disintegrating agents into edible salt, and the electrolytic preparation efficiency of the sodium hypochlorite solution can be greatly improved.
Disclosure of Invention
In order to overcome the defect of slow dissolving speed of the existing chlorine-containing electrolyte, the invention provides an instant chlorine-containing electrolyte which can be quickly dissolved and can be used for preparing sodium hypochlorite by electrolysis, and therefore, the invention provides the instant chlorine-containing electrolyte and a preparation method thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: an instant chlorine-containing electrolyte and a preparation method thereof are disclosed, wherein the instant chlorine-containing electrolyte is prepared from 60-90 parts by mass of edible salt, 1-20 parts by mass of an acid source and 1-20 parts by mass of an alkali source, and the preparation method of the instant chlorine-containing electrolyte comprises the following steps:
(1) taking a proper amount of edible salt, and sieving to remove salt grains with large grain size;
(2) grinding an acid source and an alkali source respectively by using a mortar, and then carrying out necessary drying, cooling and sieving, wherein the acid source is one or more of citric acid, tartaric acid, malic acid and fumaric acid, and the alkali source is one or more of sodium bicarbonate, sodium carbonate, potassium bicarbonate, potassium carbonate, magnesium carbonate and calcium carbonate;
(3) weighing edible salt and the acid source and the alkali source obtained in the step (2) according to the proportion of the instant chlorine-containing electrolyte in the step (1), sequentially adding the edible salt and the acid source and the alkali source into a stirring device, starting the stirring device to mix materials, stopping stirring after the materials are uniformly mixed, and drying the materials;
(4) taking a proper amount of the materials obtained in the step (3), shaping by a machine and packaging.
According to the instant chlorine-containing electrolyte and the preparation method thereof, the edible salt is refined salt or smashed washing salt, and the content of sodium chloride is more than or equal to 98.0 percent, the water content is less than or equal to 1.2 percent and the particle size is less than or equal to 0.85mm in terms of wet basis.
In the instant chlorine-containing electrolyte and the preparation method thereof, the mesh size used in the sieving process in the steps (1) and (2) is 0.85 mm.
In the instant chlorine-containing electrolyte and the preparation method thereof, the stirring and mixing time in the step (3) is 1-20 min.
In the above instant chlorine-containing electrolyte and the preparation method thereof, the drying manner in the step (3) is to perform dehumidification by using a dehumidifier and dry in the shade.
In the above instant chlorine-containing electrolyte and the preparation method thereof, the machine-molded instant chlorine-containing electrolyte in the step (4) is in one of a powder type, a tablet type, a granulation type, a spherical type and a cylindrical type, and the molded instant chlorine-containing electrolyte weighs 1-10 g per part.
The instant chlorine-containing electrolyte is mainly used for preparing sodium hypochlorite through electrolysis.
Compared with the prior art, the invention has the following beneficial technical effects:
(1) the invention provides an instant chlorine-containing electrolyte and a preparation method thereof, the chlorine-containing electrolyte prepared by the method is dissolved rapidly, and the dissolution efficiency of the product is greatly improved;
(2) the preparation method is simple, can be used for industrial large-scale production, and can greatly improve the preparation efficiency and reduce the production cost when being used for preparing the sodium hypochlorite solution by industrial electrolysis.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of a process for preparing a fast-dissolving chlorine-containing electrolyte according to the present invention;
FIG. 2 is a schematic representation of the product prepared in example 1 of the present invention;
FIG. 3 is a schematic representation of the dissolution of the product prepared in example 1 of the present invention and the product of the control group.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
[ example 1 ]
The quick-dissolving type chlorine-containing electrolyte comprises the following raw materials: 88g of refined salt, 9g of sodium bicarbonate and 3g of citric acid; the total amount is 100g, wherein the content of refined salt sodium chloride (calculated by wet basis) is 99.05%, the water content is 0.12%, the specific gravity is 96% within the range of the particle size being less than or equal to 0.85 mm.
A preparation method of a quick-dissolving chlorine-containing electrolyte comprises the following steps:
(1) taking a proper amount of refined salt, and sieving, wherein the aperture of a sieve is 0.85mm to remove salt grains with large grain size;
(2) placing sodium bicarbonate in a mortar, grinding into powder, sieving, wherein the aperture of a sieve is 0.85mm, and then placing the product in a drying dish; placing citric acid in a mortar, grinding into powder, placing in an electric heating air blast constant temperature drying oven, drying at 78 deg.C for 1h, placing in a drying dish, cooling, and sieving, wherein the aperture of the sieve is 0.85 mm;
(3) weighing the refined salt obtained in the step (1), the sodium bicarbonate obtained in the step (2) and citric acid according to the mass parts of the raw materials, then sequentially placing the materials in a stirring device, uniformly stirring the materials for 10min, and then placing the obtained materials in a drying room for dehumidifying;
(4) and (4) sequentially weighing 2g of the material obtained in the step (3), tabletting and forming on a tabletting machine, and further packaging to obtain the required instant chlorine-containing electrolyte.
Further, the instant chlorine-containing electrolyte is mainly used for preparing sodium hypochlorite through electrolysis.
And (3) measuring the dissolution time of the material obtained in the preparation step:
taking 2 beakers with the capacity of 250mL, respectively adding 200mL of deionized water at the normal temperature of 25 ℃, putting the experimental sample prepared in the example 1 and a control sample, wherein the control sample is blocky salt prepared by tabletting 2g of refined salt, putting the salt blocks prepared in the step of the example 1 and blocky salt obtained in a control group into the beakers, starting timing until the blocky materials are completely dispersed, and slightly stirring until the timing of complete dissolution is finished.
[ example 2 ]
An instant chlorine-containing electrolyte and a preparation method thereof, wherein the instant chlorine-containing electrolyte is prepared from 70 parts of crushed washing salt, 15 parts of an acid source and 15 parts of an alkali source, and the preparation method of the instant chlorine-containing electrolyte comprises the following steps:
(1) taking a proper amount of crushed washing salt, and sieving the crushed washing salt by using a screen with the aperture of 0.85mm to remove salt particles with large particle size, wherein the content of sodium chloride is 99.50 percent, the content of water is 0.54 percent and the particle size is less than or equal to 0.85mm on a wet basis;
(2) putting potassium bicarbonate into a mortar, grinding into powder, sieving, wherein the aperture of a sieve is 0.85mm, and then putting the product into a drying dish for drying; placing tartaric acid in a mortar, grinding into powder, placing in an electric heating air-blowing constant-temperature drying oven, drying at 70 deg.C for 1.5h, placing in a drying dish, cooling, and sieving, wherein the aperture of the sieve is 0.85 mm;
(3) weighing the crushed washing salt obtained in the step (1), the potassium bicarbonate obtained in the step (2) and tartaric acid according to the mass parts of the raw materials, sequentially adding the crushed washing salt, the potassium bicarbonate and the tartaric acid into a stirring device, starting the stirring device to mix the materials, stopping stirring after the materials are uniformly mixed, uniformly stirring for 15min, and drying the corresponding materials in a drying mode of dehumidifying by using a dehumidifier and drying in the shade;
(4) and (3) sequentially taking 4g of the materials obtained in the step (3), molding by a machine, wherein the shape of the mechanically molded instant chlorine-containing electrolyte is spherical, and each part of the instant chlorine-containing electrolyte is 4g, and then packaging the product to obtain the required instant chlorine-containing electrolyte.
Further, the instant chlorine-containing electrolyte is mainly used for preparing sodium hypochlorite through electrolysis.
[ example 3 ]
An instant chlorine-containing electrolyte and a preparation method thereof are provided, the instant chlorine-containing electrolyte is prepared from 80 parts of edible salt, 10 parts of an acid source and 10 parts of an alkali source, and the preparation method of the instant chlorine-containing electrolyte comprises the following steps:
(1) taking a proper amount of refined salt, and sieving the refined salt by using a screen with the aperture of 0.85mm to remove salt particles with large particle size, wherein the content of sodium chloride in the refined salt is 98.9 percent, the content of water in the refined salt is 0.98 percent, and the particle size of the refined salt is less than or equal to 0.85mm on a wet basis;
(2) putting potassium bicarbonate and potassium carbonate into a mortar, grinding into powder, sieving, wherein the aperture of a sieve used for sieving is 0.85mm, and then putting the product into a drying dish; then putting the malic acid into a mortar, grinding the malic acid into powder, putting the powder into an electric heating blowing constant-temperature drying oven for drying at 75 ℃ for 1.2h, putting the powder into a drying dish for cooling, and then carrying out sieving treatment after cooling, wherein the aperture of a sieve used for sieving is 0.85mm, and the molar ratio of potassium bicarbonate to potassium carbonate is 1: 1;
(3) weighing the refined salt obtained in the step (1), the potassium bicarbonate obtained in the step (2), potassium carbonate and malic acid according to the mass parts of the raw materials, sequentially adding the refined salt, the potassium bicarbonate, the potassium carbonate and the malic acid into a stirring device, starting the stirring device to mix the materials, stopping stirring after the materials are uniformly mixed, uniformly stirring for 20min, and drying the corresponding materials in a drying mode of dehumidifying by using a dehumidifier and drying in the shade;
(4) taking a proper amount of the material obtained in the step (3), shaping by a machine and packaging; the shape of the mechanically-molded instant chlorine-containing electrolyte is spherical, and the required instant chlorine-containing electrolyte is obtained after the instant chlorine-containing electrolyte weighs 8g per part.
Further, the instant chlorine-containing electrolyte is mainly used for preparing sodium hypochlorite through electrolysis.
The dissolution tests of the products obtained in the embodiments 1 to 3 and the products of the control group prove that the dissolution speed and the effect of the product are worth of the invention, and the results prove that the dissolution speed of the product prepared by the invention is about 3 times of that of the control group, the dissolution time is greatly shortened, if stirring is carried out, the dissolution speed is further accelerated, and the time for complete dissolution is controlled within 8 min.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Table 1 shows the dissolution test conditions of examples 1 to 3 and a control group
Claims (6)
1. An instant chlorine-containing electrolyte and a preparation method thereof are characterized in that the instant chlorine-containing electrolyte is prepared from 60-90 parts of edible salt, 1-20 parts of an acid source and 1-20 parts of an alkali source, and the preparation method of the instant chlorine-containing electrolyte comprises the following steps:
(1) the quick-dissolving chlorine-containing electrolyte comprises the following raw materials in parts by mass: 60-90 parts of edible salt, 1-20 parts of an acid source and 1-20 parts of an alkali source, and sieving a proper amount of edible salt by using a screen; the edible salt is one of refined salt and crushed washing salt, and the content of sodium chloride is more than or equal to 98.0 percent, the water content is less than or equal to 1.2 percent and the granularity is less than or equal to 0.85mm on a wet basis;
(2) grinding an acid source and an alkali source respectively by using a mortar, and then sequentially drying, cooling and sieving, wherein the acid source is one or more of citric acid, tartaric acid, malic acid and fumaric acid, and the alkali source is one or more of sodium bicarbonate, sodium carbonate, potassium bicarbonate, potassium carbonate, magnesium carbonate and calcium carbonate;
(3) weighing edible salt and the acid source and the alkali source obtained in the step (2) according to the proportion of the instant chlorine-containing electrolyte in the step (1), sequentially adding the edible salt and the acid source and the alkali source into a stirring device, starting the stirring device to uniformly mix materials, stopping stirring after the materials are uniformly mixed, and drying the materials;
(4) and (4) taking a proper amount of the materials obtained in the step (3), molding by a machine, and packaging to obtain the required product, namely the instant chlorine-containing electrolyte.
2. The instant chlorine-containing electrolyte and the preparation method thereof as claimed in claim 1, wherein the mesh size during the sieving process in step (1) and step (2) is 0.85 mm.
3. The instant chlorine-containing electrolyte and the preparation method thereof according to claim 1, wherein the stirring time in the step (3) is 1-20 min.
4. The instant chlorine-containing electrolyte and the preparation method thereof as claimed in claim 1, wherein the drying manner in step (3) is to use a dehumidifier for dehumidification and dry in the shade.
5. The instant chlorine-containing electrolyte of claim 1, wherein the mechanically molded instant chlorine-containing electrolyte of step (4) is in the form of one of powder, tablet, pellet, sphere and cylinder, and the instant chlorine-containing electrolyte of step (4) weighs 1-10 g per part.
6. The instant chlorine-containing electrolyte and the preparation method thereof according to claim 1, wherein the instant chlorine-containing electrolyte is mainly used for preparing sodium hypochlorite by electrolysis.
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| CN202010823364.5A CN111979560A (en) | 2020-08-17 | 2020-08-17 | Instant chlorine-containing electrolyte and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4004036A (en) * | 1966-05-31 | 1977-01-18 | Alberto Culver Company | Effervescent molded triturate tablets |
| JPH061717A (en) * | 1992-06-17 | 1994-01-11 | Wako Pure Chem Ind Ltd | New process for producing foamable tablet |
| CN104188810A (en) * | 2014-08-22 | 2014-12-10 | 河南省盐业总公司 | Preparation method of instant-dissolving type effervescent salt tablet |
| CN109380636A (en) * | 2018-12-12 | 2019-02-26 | 江苏汉典生物科技股份有限公司 | A kind of effervescent tablet and its preparation process |
-
2020
- 2020-08-17 CN CN202010823364.5A patent/CN111979560A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4004036A (en) * | 1966-05-31 | 1977-01-18 | Alberto Culver Company | Effervescent molded triturate tablets |
| JPH061717A (en) * | 1992-06-17 | 1994-01-11 | Wako Pure Chem Ind Ltd | New process for producing foamable tablet |
| CN104188810A (en) * | 2014-08-22 | 2014-12-10 | 河南省盐业总公司 | Preparation method of instant-dissolving type effervescent salt tablet |
| CN109380636A (en) * | 2018-12-12 | 2019-02-26 | 江苏汉典生物科技股份有限公司 | A kind of effervescent tablet and its preparation process |
Non-Patent Citations (1)
| Title |
|---|
| 何少华等: "《中学化学单质和化合物性质词典》", 30 June 2006, 辽宁教育出版社 * |
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