CN112970775A - Formula, preparation process and preparation device of low-temperature hypochlorous acid disinfectant - Google Patents
Formula, preparation process and preparation device of low-temperature hypochlorous acid disinfectant Download PDFInfo
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Abstract
The invention relates to the technical field of low-temperature disinfectant preparation, and provides a formula, a preparation process and a preparation device of a low-temperature hypochlorous acid disinfectant, wherein the formula of the low-temperature hypochlorous acid disinfectant comprises pure water, hypochlorous acid and an antifreezing agent, the pure water is a solvent, the hypochlorous acid is a disinfecting substance, the content of the hypochlorous acid is 5mg/L to 500mg/L, the antifreezing agent is glycerol, and the content of the antifreezing agent is 30% -70%; the preparation process of the low-temperature hypochlorous acid disinfectant comprises the steps of reacting pure water, an acid solution, a sodium hypochlorite solution and an antifreezing agent in a reaction device to generate the low-temperature hypochlorous acid disinfectant; the preparation device of the low-temperature hypochlorous acid disinfectant comprises a reaction device, the reaction device comprises a case, a hypochlorous acid reaction mechanism is arranged in the case, a pure water conveying pipeline and an antifreeze conveying pipeline are arranged on the outer side of the case, and the pure water conveying pipeline and the antifreeze conveying pipeline are communicated with the hypochlorous acid reaction mechanism. The invention solves the problems of unsatisfactory sterilizing effect and even difficult use of the existing disinfectant when used in a low-temperature environment.
Description
Technical Field
The invention relates to the technical field of low-temperature disinfectant preparation, in particular to a formula, a preparation process and a preparation device of a low-temperature hypochlorous acid disinfectant.
Background
The disinfectant is a preparation for killing pathogenic microorganisms on a transmission medium to enable the pathogenic microorganisms to achieve harmless requirements, is different from antibiotics, has the main functions of killing the pathogenic microorganisms outside a human body in disease prevention, cutting off the transmission path of infectious diseases and achieving the purpose of controlling the infectious diseases, and can be divided into a sterilizing agent, a high-efficiency disinfectant, a middle-efficiency disinfectant and a low-efficiency disinfectant according to the action level of the disinfectant, wherein the sterilizing agent can kill all microorganisms to enable the microorganisms to achieve the sterilizing requirements and comprises formaldehyde, glutaraldehyde, ethylene oxide, peracetic acid, hydrogen peroxide, chlorine dioxide, chlorine gas and the like; the high-efficiency disinfectant can kill all bacteria propagules (including mycobacteria), viruses, fungi, spores thereof and the like, has a certain killing effect on bacterial spores, meets the requirement of high-level disinfection, and comprises chlorine-containing disinfectant, ozone, methyl hydantoin compounds, double-chain quaternary ammonium salt and the like; the intermediate disinfectant can only kill microbes such as mycobacteria, fungi, viruses, bacterial propagules and the like to meet the disinfection requirement, and comprises iodine-containing disinfectant, alcohol disinfectant, phenol disinfectant and the like; the low-efficiency disinfectant can only kill bacteria propagules and lipophilic viruses to meet the requirements of the disinfectant, and comprises quaternary ammonium salt disinfectants such as benzalkonium bromide and the like, biguanide disinfectants such as chlorhexidine (chlorhexidine) and the like, metal ion disinfectants such as mercury, silver, copper and the like and Chinese herbal medicine disinfectants.
The applicant finds that the current disinfectants are mostly used at normal temperature and have high disinfection and killing effects, when the disinfectant is used at the low temperature of below 0 ℃, common low-temperature disinfectants comprise quaternary ammonium salts, alcohol and the like, most of the disinfectants are medium-low-efficiency disinfectants, the disinfection effect is not ideal, and when other high-efficiency disinfectants are used, the disinfection and killing effects are also not ideal, even the disinfectants are difficult to use.
Therefore, the development of a formula, a preparation process and a preparation device of the low-temperature hypochlorous acid disinfectant has urgent research values, and also has good economic benefits and industrial application potential, which is the basis of the power completed by the invention.
Disclosure of Invention
The present inventors have conducted intensive studies to overcome the above-identified drawbacks of the prior art, and as a result, have completed the present invention after having made a great deal of creative efforts.
Specifically, the technical problems to be solved by the present invention are: provides a formula, a preparation process and a preparation device of a low-temperature hypochlorous acid disinfectant, and aims to solve the problems of unsatisfactory disinfection effect and even difficult use of the existing disinfectant when the disinfectant is used in a low-temperature environment.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the formula of the low-temperature hypochlorous acid disinfectant comprises pure water, hypochlorous acid and an antifreezing agent, wherein the pure water is a solvent, the hypochlorous acid is a disinfecting substance, the content of the hypochlorous acid is 5mg/L to 500mg/L, the antifreezing agent is glycerol, and the content of the antifreezing agent is 30% -70%.
A process for preparing low-temp hypochlorous acid disinfectant includes such steps as reaction of pure water, acid solution, sodium hypochlorite solution and antifreezing agent in reactor to obtain low-temp hypochlorous acid disinfectant.
As an improved scheme, the method comprises the following steps: s1: mixing pure water and an acid solution in a reaction device to form a weakly acidic solution; s2: adding a sodium hypochlorite solution into a reaction device, and reacting with the weak acid solution formed in the step S1 to generate a hypochlorous acid solution; s3: an antifreeze is added into the reaction device and mixed with the hypochlorous acid solution generated in the step S2 to generate the low-temperature hypochlorous acid disinfectant.
As an improved scheme, the method comprises the following steps: s11: mixing pure water and an antifreezing agent in a reaction device to form an antifreezing solution; s22: adding an acid solution into the reaction device, and mixing the acid solution with the antifreezing solution formed in the step S11 to form a weakly acidic antifreezing solution; s33: and adding the sodium hypochlorite solution into the reaction device, and mixing and reacting the sodium hypochlorite solution with the weak acid antifreezing solution generated in the step S22 to generate the low-temperature hypochlorous acid disinfectant.
As an improved scheme, the low-temperature hypochlorous acid disinfectant is applicable to the temperature range of-20 ℃ to 40 ℃.
As a modification, the pH value of the low-temperature hypochlorous acid disinfectant is in the range of 5.0-7.0.
A low-temperature hypochlorous acid disinfectant preparation device comprises a reaction device, wherein the reaction device comprises a case, a hypochlorous acid reaction mechanism is arranged in the case, a pure water conveying pipeline and an antifreeze conveying pipeline are arranged on the outer side of the case, the input end of the pure water conveying pipeline is communicated with a pure water tank, the output end of the pure water conveying pipeline is communicated with the hypochlorous acid reaction mechanism, the input end of the antifreeze conveying pipeline is communicated with an antifreeze tank, and the output end of the antifreeze conveying pipeline is also communicated with the hypochlorous acid reaction mechanism;
the hypochlorous acid reaction mechanism comprises an acid solution conveying pipeline and a sodium hypochlorite solution conveying pipeline, the input end of the acid solution conveying pipeline is communicated with the acid solution storage tank, the output end of the acid solution conveying pipeline is communicated with the input end of the first ejector, the output end of the first ejector is communicated with the input end of the first reactor, and the output end of the first reactor is communicated with the input end of the second ejector;
the input end of the sodium hypochlorite solution conveying pipeline is communicated with the sodium hypochlorite solution storage tank, the output end of the sodium hypochlorite solution conveying pipeline is also communicated with the input end of the second ejector, the output end of the second ejector is communicated with the input end of the second reactor, and the output end of the second reactor is communicated with the low-temperature hypochlorous acid disinfectant storage tank through an output pipeline;
the pure water conveying pipeline is communicated with the first ejector and the antifreeze conveying pipeline is communicated with the second reactor, or the pure water conveying pipeline and the antifreeze conveying pipeline are communicated with the first ejector through a third reactor.
As an improved scheme, a pure water pump used for driving pure water to flow is installed on the pure water conveying pipeline, an antifreeze pump used for driving antifreeze to flow is installed on the antifreeze conveying pipeline, an acid solution metering pump used for driving acid solution to flow and meter is installed on the acid solution conveying pipeline, and a sodium hypochlorite solution metering pump used for driving sodium chlorate solution to flow and meter is installed on the sodium hypochlorite solution conveying pipeline.
As an improved scheme, a controller is further arranged on the case, and the controller is respectively connected with the pure water pump, the antifreeze pump, the acid solution metering pump and the sodium hypochlorite solution metering pump.
As a modified scheme, the pure water case antifreeze case acid solution bin with install level sensor on the bottom inside wall of sodium hypochlorite solution bin respectively, level sensor signal connection the controller, controller signal connection alarm, the alarm install in on the quick-witted case.
After the technical scheme is adopted, the invention has the beneficial effects that:
the method comprises the steps of reacting an acid solution with a sodium hypochlorite solution in a reaction device to prepare hypochlorous acid, mixing pure water, hypochlorous acid and an antifreezing agent to prepare a low-temperature hypochlorous acid disinfectant, wherein the prepared low-temperature hypochlorous acid disinfectant is still in a liquid state at the low temperature of-20 ℃ and can be atomized and sprayed into a space or the surface of an object to sterilize microorganisms in a low-temperature space environment and the low-temperature object, the prepared low-temperature hypochlorous acid disinfectant can still keep 80% of oxidation capacity at the normal temperature under the condition of-20 ℃, the corresponding disinfection capacity can also keep 80%, and the high-efficiency disinfection effect can still be kept under the condition of sufficient content;
by arranging the acid solution conveying pipeline, the sodium hypochlorite solution conveying pipeline, the pure water conveying pipeline, the antifreezing agent conveying pipeline, the first ejector, the first reactor, the second ejector, the second reactor and the third reactor, the hypochlorous acid disinfectant used in a low-temperature environment can be prepared, the sterilizing effect of the hypochlorous acid disinfectant is more efficient and safer, the antifreezing agent is added through the antifreezing agent conveying pipeline, the hypochlorous acid disinfectant can still keep a liquid state at the low temperature of-20 ℃, can be atomized and sprayed for use, can still exert good sterilizing performance at the low temperature, and effectively blocks pathogenic microorganisms from being transmitted through a cold chain;
by arranging the pure water pump, the antifreezing agent pump, the acid solution metering pump and the sodium hypochlorite solution metering pump, the input amounts of the pure water, the antifreezing agent, the acid solution and the sodium hypochlorite solution can be respectively adjusted, and then the hypochlorous acid disinfectant with different concentrations can be prepared through different input amounts, so that the requirements of different fields and different disinfection conditions can be met;
the controller is arranged, the controller adopts a microcomputer, parameter values of pure water, an antifreezing agent, an acid solution and a sodium hypochlorite solution can be arranged on the controller, and can be changed, so that the operation is more convenient;
the liquid level sensors are respectively installed on the side walls of the bottoms of the pure water tank, the antifreeze tank, the acid solution storage tank and the sodium hypochlorite solution storage tank, the liquid level sensors are in signal connection with the controller, and when the liquid level in the tank body is lower than a set value, the controller controls each pump body to stop acting and alarms through the alarm.
In conclusion, the low-temperature hypochlorous acid disinfectant is prepared by using pure water, sodium hypochlorite, hydrochloric acid and an antifreezing agent as raw materials and using a reaction device through a chemical combination reaction method, the low-temperature hypochlorous acid disinfectant still keeps a liquid state at the low temperature of-20 ℃ and can be atomized for use, and the low-temperature hypochlorous acid disinfectant has the advantages of safety, high efficiency, low cost, convenience and quickness, and solves the problems that the existing disinfectant has unsatisfactory disinfection effect and is even difficult to use when used in a low-temperature environment.
Drawings
FIG. 1 is a schematic flow diagram of a production process of example 1 in the present invention;
FIG. 2 is a schematic view of the constitution of a preparation apparatus in example 1 of the present invention;
FIG. 3 is a schematic flow diagram of the production process of example 2 in the present invention;
FIG. 4 is a schematic view of the constitution of a preparation apparatus in example 2 of the present invention;
wherein each numerical designation refers to a particular meaning, element, and/or component, respectively, as follows in the figures.
In the figure: 1. case, 2, pure water pipeline, 3, antifreeze pipeline, 4, acid solution pipeline, 5, sodium hypochlorite solution pipeline, 6, first ejector, 7, first reactor, 8, second ejector, 9, second reactor, 901, first reaction chamber, 902, second reaction chamber, 10, output pipeline, 11, low temperature hypochlorous acid disinfectant bin, 12, third reactor, 13, pure water tank, 14, antifreeze case, 15, acid solution bin, 16, sodium hypochlorite solution bin, 17, pure water pump, 18, antifreeze pump, 19, acid solution metering pump, 20, sodium hypochlorite solution metering pump, 21, controller, 22, level sensor, 23, alarm.
Detailed Description
The invention is further illustrated by the following specific examples. The use and purpose of these exemplary embodiments are to illustrate the present invention, not to limit the actual scope of the present invention in any way, and not to limit the scope of the present invention in any way.
Example 1:
as shown in figure 1, the formula of the low-temperature hypochlorous acid disinfectant comprises pure water, hypochlorous acid and an antifreezing agent, wherein the pure water is used as a solvent, the hypochlorous acid is used as a sterilizing substance and is prepared by reacting an acid solution with a sodium hypochlorite solution, the content of the hypochlorous acid is 5mg/L to 500mg/L, the antifreezing agent is glycerol, the content of the antifreezing agent is 30% -70%, in the embodiment, the antifreezing agent is glycerol, the content of the antifreezing agent is 50%, and the content of the hypochlorous acid is 50 mg/L.
As shown in figure 1, a preparation process of a low-temperature hypochlorous acid disinfectant comprises the steps of reacting pure water, an acid solution, a sodium hypochlorite solution and an antifreezing agent in a reaction device to generate the low-temperature hypochlorous acid disinfectant;
the method specifically comprises the following steps: s1: mixing pure water and an acid solution in a reaction device to form a weakly acidic solution;
s2: adding a sodium hypochlorite solution into a reaction device, and reacting with the weak acid solution formed in the step S1 to generate a hypochlorous acid solution;
s3: an antifreeze is added into the reaction device and mixed with the hypochlorous acid solution generated in the step S2 to generate the low-temperature hypochlorous acid disinfectant.
The applicable temperature range of the low-temperature hypochlorous acid disinfectant prepared in the step S3 is between-20 ℃ and 40 ℃, and meanwhile, the pH value of the prepared low-temperature hypochlorous acid disinfectant is between 5.0 and 7.0;
hypochlorous acid is prepared by reacting an acid solution and a sodium hypochlorite solution in a reaction device, pure water, hypochlorous acid and an antifreezing agent are mixed, a low-temperature hypochlorous acid disinfectant is prepared, the prepared low-temperature hypochlorous acid disinfectant is still in a liquid state when the temperature is low at minus 20 ℃, the prepared low-temperature hypochlorous acid disinfectant can be sprayed to the space or the surface of an object in an atomized manner, the low-temperature space environment and the low-temperature object are sterilized by microorganisms, the prepared low-temperature hypochlorous acid disinfectant can still keep 80% of oxidation capacity under the normal temperature condition under the condition of minus 20 ℃, the corresponding sterilization capacity can also keep 80%, and the efficient sterilization effect can still be kept under the condition of enough content.
As shown in figure 2, the low-temperature hypochlorous acid disinfectant preparation device comprises a reaction device, wherein the reaction device further comprises a case 1, a hypochlorous acid reaction mechanism is arranged in the case 1, a pure water conveying pipeline 2 and an antifreeze conveying pipeline 3 are arranged on the outer side of the case, the input end of the pure water conveying pipeline 2 is communicated with a pure water tank 13, the output end of the pure water conveying pipeline 2 is communicated with the hypochlorous acid reaction mechanism, the input end of the antifreeze conveying pipeline 3 is communicated with an antifreeze tank 14, and the output end of the antifreeze conveying pipeline 3 is also communicated with the hypochlorous acid reaction mechanism;
the hypochlorous acid reaction mechanism comprises an acid solution conveying pipeline 4 and a sodium hypochlorite solution conveying pipeline 5, the input end of the acid solution conveying pipeline 4 is communicated with an acid solution storage tank 15, the output end of the acid solution conveying pipeline 4 is communicated with the input end of the first ejector 6, the output end of the first ejector 6 is communicated with the input end of the first reactor 7, and the output end of the first reactor 7 is communicated with the input end of the second ejector 8;
the input end of the sodium hypochlorite solution conveying pipeline 5 is communicated with a sodium hypochlorite solution storage tank 16, the output end of the sodium hypochlorite solution conveying pipeline 5 is also communicated with the input end of a second ejector 8, the output end of the second ejector 8 is communicated with the input end of a second reactor 9, the output end of the second reactor 9 is communicated with a low-temperature hypochlorous acid disinfectant storage tank 11 through an output pipeline 10, an acid solution input through the acid solution conveying pipeline 4 and the sodium hypochlorite solution input through the sodium hypochlorite solution conveying pipeline 5 react in the reactors, and a hypochlorous acid disinfectant can be prepared;
the pure water conveying pipeline 2 is communicated with the first ejector 6, the antifreeze conveying pipeline 3 is communicated with the second reactor 9, in the embodiment, the second reactor 9 consists of two reaction chambers which are divided into a first reaction chamber 901 and a second reaction chamber 902, the two reaction chambers are communicated, the first reaction chamber 901 is communicated with the second ejector 8, so that an acid solution and a sodium hypochlorite solution can react in the first reaction chamber 901, the second reaction chamber 902 is communicated with the low-temperature hypochlorous acid disinfectant storage tank 11 through an output pipeline 10, meanwhile, the antifreeze conveying pipeline 3 is communicated with the second reaction chamber 902, and antifreeze is added into the second reaction chamber 902 through the antifreeze conveying pipeline 3 to prepare the low-temperature hypochlorous acid disinfectant;
in this embodiment, the acid solution is any one of hydrogen chloride, formic acid, acetic acid, sulfuric acid, nitric acid, and phosphoric acid, preferably hydrogen chloride, the antifreeze is glycerol, and ethylene glycol may be used;
through setting up acid solution pipeline 4, sodium hypochlorite solution pipeline 5, pure water pipeline 2 and antifreeze pipeline 3 and first ejector 6, first reactor 7, second ejector 8 and second reactor 9, can make the hypochlorous acid disinfectant who uses under low temperature environment, and the hypochlorous acid disinfectant disappears and kills the effect more high-efficiently, safety, add the antifreeze through antifreeze pipeline 3, can make the hypochlorous acid disinfectant still can keep liquid under-20 ℃'s low temperature, can be sprayed by the atomizing and use, still can exert its good performance of disappearing and killing at low temperature.
In this embodiment, as shown in fig. 2, a pure water pump 17 for driving pure water to flow is installed on the pure water conveying pipeline 2, an antifreeze pump 18 for driving antifreeze to flow is installed on the antifreeze conveying pipeline 3, an acid solution metering pump 19 for driving acid solution to flow and meter is installed on the acid solution conveying pipeline 4, a sodium hypochlorite solution metering pump 20 for driving sodium chlorate solution to flow and meter is installed on the sodium hypochlorite solution conveying pipeline 5, by setting the pure water pump 17, the antifreeze pump 18, the acid solution metering pump 19 and the sodium hypochlorite solution metering pump 20, pure water, antifreeze, input amounts of acid solution and sodium hypochlorite solution can be respectively adjusted, and then hypochlorous acid disinfectant with different concentrations or different preparation amounts can be prepared through different input amounts, so as to meet requirements in different fields and different disinfection situations.
In this embodiment, as shown in fig. 2, a controller 21 is further disposed on the chassis 1, the controller 21 is a microcomputer, the controller 21 is respectively connected to the pure water pump 17, the antifreeze pump 18, the acid solution metering pump 19, and the sodium hypochlorite solution metering pump 20, and the parameter values of the pure water, the antifreeze, the acid solution, and the sodium hypochlorite solution are set on the controller 21, and can be changed, so that the operation is more convenient;
in addition, all install the solenoid valve on pure water pipeline 2, antifreeze pipeline 3, acid solution pipeline 4 and sodium hypochlorite solution pipeline 5, solenoid valve signal connection controller 21 also, when preparing the device shut down, each solenoid valve is also corresponding closed.
In this embodiment, combine fig. 2 to show, install level sensor 22 on the bottom inside wall of pure water case 13, antifreeze case 14, acid solution storage tank 15 and sodium hypochlorite solution storage tank 16 respectively, level sensor 22 signal connection controller 21, controller 21 signal connection alarm 23, alarm 23 is installed on quick-witted case 1, when the liquid level in the box is less than the setting value, each pump body stop motion is controlled to controller 21, and report to the police through alarm 23, level sensor 22 is common for daily life, and belong to technical staff common general knowledge in this technical field, it is no longer repeated here, alarm 23 adopts arbitrary one of buzzer siren or pilot lamp alarm.
The working procedure of example 1 is:
referring to fig. 1 and 2, pure water in the pure water tank 13 is fed into the first ejector 6 through the pure water pump 17, and an acid solution in the acid solution storage tank 15 is also fed into the first ejector 6 through the acid solution metering pump 19, and then fed into the first reactor 7 through the first ejector 6, and is uniformly mixed in the first reactor 7 to form a weakly acidic solution;
then, the sodium hypochlorite solution is input into the second ejector 8 from the first reactor 7, meanwhile, the sodium hypochlorite solution in the sodium hypochlorite solution storage tank 16 is also input into the second ejector 8 through the sodium hypochlorite solution metering pump 20, and then the sodium hypochlorite solution is input into the first reaction chamber 901 of the second reactor 9 from the second ejector 8, so that the formed weakly acidic solution and the sodium hypochlorite solution are subjected to a chemical combination reaction in the first reaction chamber 901 of the second reactor 9 to generate a hypochlorous acid solution;
then, the mixture enters the second reaction chamber 902 from the first reaction chamber 901, the antifreeze in the antifreeze box 14 is input into the second reaction chamber 902, the generated hypochlorous acid solution and the antifreeze are uniformly mixed in the second reaction chamber 902, and then the mixture enters the low-temperature hypochlorous acid disinfectant storage box 11 through the output pipeline 10 to be stored, so that the preparation of the low-temperature hypochlorous acid disinfectant is completed.
Example 2:
based on the formula, the preparation process and the preparation device of the low-temperature hypochlorous acid disinfectant provided by the embodiment 1 of the application, the embodiment 2 of the application provides the formula, the preparation process and the preparation device of another low-temperature hypochlorous acid disinfectant.
As shown in FIG. 3, the formula, preparation process and preparation device of a low-temperature hypochlorous acid disinfectant are the same as those in example 1 except that in example 1, the formula of the low-temperature hypochlorous acid disinfectant comprises pure water, hypochlorous acid and an antifreezing agent, wherein the antifreezing agent is glycerol with the content of 50 percent, and the content of the hypochlorous acid is 100 mg/L.
As shown in figure 3, the preparation process of the low-temperature hypochlorous acid disinfectant comprises the following steps: s11: mixing pure water and an antifreezing agent in a reaction device to form an antifreezing solution;
s22: adding an acid solution into the reaction device, and mixing the acid solution with the antifreezing solution formed in the step S11 to form a weakly acidic antifreezing solution;
s33: and adding the sodium hypochlorite solution into the reaction device, and mixing and reacting the sodium hypochlorite solution with the weak acid antifreezing solution generated in the step S22 to generate the low-temperature hypochlorous acid disinfectant.
As shown in FIG. 4, the preparation device of the low-temperature hypochlorous acid disinfectant comprises a reaction device, the reaction device comprises a case 1, a hypochlorous acid reaction mechanism is arranged in the case 1, a pure water conveying pipeline 2 and an antifreeze conveying pipeline 3 are arranged on the outer side of the case, the input end of the pure water conveying pipeline 2 is communicated with a pure water tank 13, the output end of the pure water conveying pipeline 2 is communicated with the hypochlorous acid reaction mechanism, the input end of the antifreeze conveying pipeline 3 is communicated with an antifreeze tank 14, and the output end of the antifreeze conveying pipeline 3 is also communicated with the hypochlorous acid reaction mechanism;
the hypochlorous acid reaction mechanism comprises an acid solution conveying pipeline 4 and a sodium hypochlorite solution conveying pipeline 5, the input end of the acid solution conveying pipeline 4 is communicated with an acid solution storage tank 15, the output end of the acid solution conveying pipeline 4 is communicated with the input end of the first ejector 6, the output end of the first ejector 6 is communicated with the input end of the first reactor 7, and the output end of the first reactor 7 is communicated with the input end of the second ejector 8;
the input end of the sodium hypochlorite solution conveying pipeline 5 is communicated with a sodium hypochlorite solution storage tank 16, the output end of the sodium hypochlorite solution conveying pipeline 5 is also communicated with the input end of a second ejector 8, the output end of the second ejector 8 is communicated with the input end of a second reactor 9, and the output end of the second reactor 9 is communicated with a low-temperature hypochlorous acid disinfectant storage tank 11 through an output pipeline 10;
the pure water conveying pipeline 2 and the antifreeze conveying pipeline 3 are both communicated with the first ejector 6 through a third reactor 12, pure water input by the pure water conveying pipeline 2 and antifreeze input by the antifreeze conveying pipeline 3 are both input into the third reactor 12, and after being mixed in the third reactor 12, the pure water and the antifreeze are input into the first ejector 6 through the third reactor 12;
in addition, in this embodiment, the second reactor 9 has only one reaction chamber.
The working process of the example 2 is as follows:
referring to fig. 3 and 4, pure water in the pure water tank 13 is input into the third reactor 12 through the pure water pump 17, the antifreeze in the antifreeze tank 14 is also input into the third reactor 12 through the antifreeze delivery pipe 3, and the pure water and the antifreeze are uniformly mixed in the third reactor 12 to form an antifreeze solution;
then, the acid solution is input into the first ejector 6 from the third reactor 12, the acid solution in the acid solution storage tank 15 is also input into the first ejector 6 through the acid solution metering pump 19, and then is input into the first reactor 7 from the first ejector 6, and is uniformly mixed in the first reactor 7 to form a weakly acidic antifreeze solution;
afterwards, input into second ejector 8 by first reactor 7 in, simultaneously, sodium hypochlorite solution in sodium hypochlorite solution storage tank 16 also inputs into second ejector 8 through sodium hypochlorite solution measuring pump 20, later, input into second reactor 9 by second ejector 8 in, the weak acid antifreeze solution that forms mixes in second reactor 9 with sodium hypochlorite solution and takes place chemical combination reaction and generate hypochlorous acid, later, enter into low temperature hypochlorous acid disinfectant storage tank 11 through output pipeline 10 and store, accomplish low temperature hypochlorous acid disinfectant's preparation from this.
In conclusion, the low-temperature hypochlorous acid disinfectant is prepared by using pure water, sodium hypochlorite, hydrochloric acid and an antifreezing agent as raw materials and using a reaction device through a chemical combination reaction method, the low-temperature hypochlorous acid disinfectant still keeps a liquid state at the low temperature of-20 ℃ and can be atomized for use, and the low-temperature hypochlorous acid disinfectant has the advantages of safety, high efficiency, low cost, convenience and quickness, and solves the problems that the existing disinfectant has unsatisfactory disinfection effect and is even difficult to use when used in a low-temperature environment.
It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should also be understood that various alterations, modifications and/or variations can be made to the present invention by those skilled in the art after reading the technical content of the present invention, and all such equivalents fall within the protective scope defined by the claims of the present application.
Claims (10)
1. The formula of the low-temperature hypochlorous acid disinfectant is characterized in that: the disinfectant comprises pure water, hypochlorous acid and an antifreezing agent, wherein the pure water is a solvent, the hypochlorous acid is a disinfecting substance, the content of the hypochlorous acid is 5mg/L to 500mg/L, the antifreezing agent is glycerol, and the content of the antifreezing agent is 30% -70%.
2. A preparation process of a low-temperature hypochlorous acid disinfectant is characterized by comprising the following steps: reacting pure water, an acid solution, a sodium hypochlorite solution and an antifreezing agent in a reaction device to generate the low-temperature hypochlorous acid disinfectant.
3. The process for preparing a low-temperature hypochlorous acid disinfectant as claimed in claim 2, wherein: the method comprises the following steps: s1: mixing pure water and an acid solution in a reaction device to form a weakly acidic solution; s2: adding a sodium hypochlorite solution into a reaction device, and reacting with the weak acid solution formed in the step S1 to generate a hypochlorous acid solution; s3: an antifreeze is added into the reaction device and mixed with the hypochlorous acid solution generated in the step S2 to generate the low-temperature hypochlorous acid disinfectant.
4. The process for preparing a low-temperature hypochlorous acid disinfectant as claimed in claim 2, wherein: the method comprises the following steps: s11: mixing pure water and an antifreezing agent in a reaction device to form an antifreezing solution; s22: adding an acid solution into the reaction device, and mixing the acid solution with the antifreezing solution formed in the step S11 to form a weakly acidic antifreezing solution; s33: and adding the sodium hypochlorite solution into the reaction device, and mixing and reacting the sodium hypochlorite solution with the weak acid antifreezing solution generated in the step S22 to generate the low-temperature hypochlorous acid disinfectant.
5. The process for preparing a low-temperature hypochlorous acid disinfectant as claimed in claim 2, wherein: the low-temperature hypochlorous acid disinfectant is applicable to the temperature range of-20 ℃ to 40 ℃.
6. The process for preparing a low-temperature hypochlorous acid disinfectant as claimed in claim 2, wherein: the pH value of the low-temperature hypochlorous acid disinfectant is in the range of 5.0-7.0.
7. The utility model provides a device for preparing low temperature hypochlorous acid disinfectant which characterized in that: the reaction device according to any one of claims 1 to 6, which comprises a case, wherein a hypochlorous acid reaction mechanism is arranged in the case, a pure water delivery pipe and an antifreeze delivery pipe are arranged outside the case, the input end of the pure water delivery pipe is communicated with a pure water tank, the output end of the pure water delivery pipe is communicated with the hypochlorous acid reaction mechanism, the input end of the antifreeze delivery pipe is communicated with an antifreeze tank, and the output end of the antifreeze delivery pipe is also communicated with the hypochlorous acid reaction mechanism;
the hypochlorous acid reaction mechanism comprises an acid solution conveying pipeline and a sodium hypochlorite solution conveying pipeline, the input end of the acid solution conveying pipeline is communicated with the acid solution storage tank, the output end of the acid solution conveying pipeline is communicated with the input end of the first ejector, the output end of the first ejector is communicated with the input end of the first reactor, and the output end of the first reactor is communicated with the input end of the second ejector;
the input end of the sodium hypochlorite solution conveying pipeline is communicated with the sodium hypochlorite solution storage tank, the output end of the sodium hypochlorite solution conveying pipeline is also communicated with the input end of the second ejector, the output end of the second ejector is communicated with the input end of the second reactor, and the output end of the second reactor is communicated with the low-temperature hypochlorous acid disinfectant storage tank through an output pipeline;
the pure water conveying pipeline is communicated with the first ejector and the antifreeze conveying pipeline is communicated with the second reactor, or the pure water conveying pipeline and the antifreeze conveying pipeline are communicated with the first ejector through a third reactor.
8. The device for preparing the low-temperature hypochlorous acid disinfectant as claimed in claim 7, wherein: the device comprises a pure water conveying pipeline, an antifreeze pump, an acid solution metering pump and a sodium hypochlorite solution metering pump, wherein the pure water conveying pipeline is provided with the pure water pump used for driving pure water to flow, the antifreeze pump used for driving antifreeze to flow is arranged on the antifreeze conveying pipeline, the acid solution metering pump used for driving acid solution to flow and meter is arranged on the acid solution conveying pipeline, and the sodium hypochlorite solution metering pump used for driving sodium chlorate solution to flow and meter is arranged on the sodium hypochlorite solution conveying pipeline.
9. The device for preparing the low-temperature hypochlorous acid disinfectant as claimed in claim 8, wherein: the machine case is also provided with a controller, and the controller is respectively connected with the pure water pump, the antifreeze pump, the acid solution metering pump and the sodium hypochlorite solution metering pump.
10. The device for preparing the low-temperature hypochlorous acid disinfectant as claimed in claim 9, wherein: the water purification case antifreeze case acid solution bin with install level sensor on the bottom inside wall of sodium hypochlorite solution bin respectively, level sensor signal connection the controller, controller signal connection alarm, the alarm install in on the machine case.
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Application publication date: 20210618 |