CN212308492U - Disinfection device for instantly preparing and using chlorine dioxide disinfectant - Google Patents

Abstract

A chlorine dioxide disinfectant prepares the sterilizing unit used immediately, including the first stock tank, second stock tank, chemical reactor, main preparation case, auxiliary preparation case and sterilizing tank, the apparatus regards sodium chlorite and hydrochloric acid as the reactant and produces the chlorine dioxide gas of high purity, utilize chlorine dioxide to have high water solubility property to prepare chlorine dioxide disinfectant, have proposed the disinfectant makes and uses the new mode of disinfection promptly, it has simple technological process, operate the reliable, swift high-efficient characteristic, has solved chlorine dioxide and applied to the sterilization and disinfection of clinical medical instrument because of its chemical stability deficiency and limited problem in the application of the medical hygiene field, make the excellent characteristic of broad spectrum, high efficiency, harmless sterilization and disinfection of chlorine dioxide fully play, apply to the medical unit and sterilize the disinfection to the clinical medical instrument, has effectively expanded the new field that the chlorine dioxide disinfectant applies, have opened the new way of the sterilization and disinfection measure of the medical instrument, can obviously improve the disinfection effect and the disinfection efficiency of the medical instrument.

Description

Disinfection device for instantly preparing and using chlorine dioxide disinfectant

Technical Field

The utility model relates to a chlorine dioxide disinfectant disinfection device, in particular to a disinfection device which is used immediately after the preparation of chlorine dioxide disinfectant.

Background

Chlorine dioxide is a strong oxidant substance with broad-spectrum and high-efficiency antibacterial and disinfection effects, can be widely applied to killing of viruses, bacteria, protists, algae, fungi and various spores and thalli formed by the spores, has small influence on the antibacterial and disinfection effects due to environmental temperature change, has the effect of killing all bacterial propagules and a plurality of pathogenic bacteria at the concentration of 0.1ppm, can completely kill the bacterial propagules, hepatitis viruses, bacteriophage, bacterial spores and the like at the concentration of 50ppm, can keep the antibacterial effect in the environmental range of the pH value of 2-10, has no harm to human bodies, and is an internationally recognized safe nontoxic green disinfectant. Chlorine dioxide disinfectants are widely used in drinking water, air, kitchens and utensils thereof, food machinery and aquaculture, and in medical fields, such as: the oral cavity gargle can control gingivitis, dental plaque bacteria and halitosis, and hip bath or rinsing can be used for preventing and treating pinkeye, dermatosis, etc. However, the chemical stability of chlorine dioxide is weak, and chlorine dioxide is easy to decompose when being heated, exposed to light, and subjected to vibration, impact or friction, so that the adverse characteristic limit seriously restricts the wide and deep application of chlorine dioxide as a disinfectant in the field of medical health. In order to fully exert the excellent characteristics of the chlorine dioxide sterilization and disinfection, and further expand the application of the chlorine dioxide in the field of medical health, in particular to a disinfectant for clinical medical instruments in medical units, and promote the updating of the disinfection mode of the medical instruments, a new disinfection method for instantly preparing and instantly using a chlorine dioxide disinfectant is necessary to be researched and developed, so that the adverse effect that the chlorine dioxide is possibly decomposed by the influence of the environment in the links of production, transportation, storage and the like is overcome, and the disinfection effect and the disinfection efficiency of the medical instruments are improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a disinfection device that chlorine dioxide disinfectant's quick preparation used immediately realizes making promptly, improves disinfection effect and disinfection efficiency.

A chlorine dioxide disinfectant ready-to-use and ready-to-prepare disinfection apparatus comprising: first head tank 1, second head tank 2, chemical reaction cauldron 3, main preparation case 4a and auxiliary preparation case 4 b.

The first raw material tank 1, the second raw material tank 2, the chemical reaction kettle 3, the main preparation tank 4a and the auxiliary preparation tank 4b are all closed containers, the first raw material tank 1 and the second raw material tank 2 are respectively communicated with the chemical reaction kettle 3 through material pipelines 5, the chemical reaction kettle 3 is communicated with the main preparation tank 4a through a main gas flow pipeline 7a, and the main preparation tank 4a is further communicated with the auxiliary preparation tank 4b through an auxiliary gas flow pipeline 7 b; wherein: a main water injection valve 6a and an auxiliary water injection valve 6B are respectively arranged on the main preparation tank 4a and the auxiliary preparation tank 4B, a reaction liquid discharge valve 8, a main liquid discharge valve 9a and an auxiliary liquid discharge valve 9B are respectively arranged at the lower parts of the chemical reaction kettle 3, the main preparation tank 4a and the auxiliary preparation tank 4B, the reaction liquid discharge valve 8 is connected to a waste liquid discharge end B by a liquid flow pipeline, the main liquid discharge valve 9a is connected to a disinfectant use end a by a liquid flow pipeline, and the auxiliary liquid discharge valve 9B is connected to the disinfectant use end a and the waste liquid discharge end B by a liquid flow pipeline.

Further, the disinfection device for instantly preparing and using the chlorine dioxide disinfectant also comprises: a disinfection box 17, wherein the disinfection box 17 is arranged at the disinfectant using end A, is respectively communicated with the main preparation box 4a and the auxiliary preparation box 4B through liquid flow pipelines, and is also connected to the waste liquid discharging end B through a liquid flow pipeline.

Still further, it is preferable that the main drain valve 9a is also connected to the waste liquid drain end B by a liquid flow pipe at the same time.

The disinfection device for instantly preparing and using the chlorine dioxide disinfectant is prepared from sodium chlorite (NaClO)₂) And hydrochloric acid (HCl) as reaction substances, and first, the reaction substances are introduced from the first material tank 1 and the second material tank 2 into the reaction vessel 3, mixed, and chemically reacted to generate high-purity chlorine dioxide (ClO)₂) Gas, the equation for the chemical reaction being as follows:

5NaClO₂+4HCl=4ClO₂+5NaCl+2H₂O

based on the property of high water solubility of chlorine dioxide, introducing the chlorine dioxide gas into a main preparation tank 4a filled with sterile water through a main gas flow pipeline 7a, dissolving the chlorine dioxide gas into the water through an aerator 13 mounted on the end of the main gas flow pipeline 7a to prepare a chlorine dioxide disinfectant, introducing the excessive chlorine dioxide gas into the water in an auxiliary preparation tank 4b through an auxiliary gas flow pipeline 7b, and recovering residual gas; then, the prepared chlorine dioxide disinfectant is guided from a main liquid discharge valve 9a at the lower part of the main preparation tank 4a to a disinfectant use end A through a liquid flow pipe for medical disinfection use, and meanwhile, chemical reaction residual liquid and excess gas absorption liquid are respectively guided from a reaction liquid discharge valve 8 at the lower part of the chemical reaction kettle 3 and an auxiliary liquid discharge valve 9a at the lower part of the auxiliary preparation tank 4B to a waste liquid discharge end B through a liquid flow pipe for centralized collection treatment. Then, the auxiliary agent box 4b is filled with sterile water again and guided to the disinfectant using end A, and medical instruments washed by the chlorine dioxide disinfectant are cleaned to assist in medical disinfection; the total time-consuming period of the whole disinfectant preparation and use disinfection process is only 8-15 minutes.

The beneficial effects of the utility model are that, a degassing unit that chlorine dioxide disinfectant prepares instant use immediately is provided, the disinfection new model that disinfectant makes promptly usefulness is proposed, simple process has, the operation is reliable, swift efficient characteristics, chlorine dioxide has been solved and has received the problem of restriction because of its chemical stability is not enough to use in the medical health field, make chlorine dioxide broad-spectrum, high efficiency, harmless excellent characteristic of disinfection of disinfecting obtains better performance, be applied to the disinfection of medical unit to clinical medical instrument, chlorine dioxide disinfectant application's new field has effectively been extended, the new approach of medical instrument disinfection measure has been opened up, can show the disinfection effect and the disinfection efficiency that improve medical instrument.

Drawings

Figure 1 is a schematic diagram of the principle structure of a chlorine dioxide disinfectant preparation and application device.

Detailed Description

The following describes the claimed technical solution of the present invention with reference to the specific embodiments and the accompanying drawings.

A disinfection device for instantly preparing and using a chlorine dioxide disinfectant takes 7.5% sodium chlorite and 9% hydrochloric acid as preparation raw materials, and comprises the following components in percentage by weight as shown in figure 1: first head tank 1, second head tank 2, chemical reaction cauldron 3, main preparation case 4a, supplementary preparation case 4b and disinfection box 17, first head tank 1 the second head tank 2 with chemical reaction cauldron 3's volume is 5L, 5L and 1.5L respectively.

The first raw material tank 1 and the second raw material tank 2 are respectively communicated with the chemical reaction kettle 3 through a material pipeline 5, a raw material liquid pump 11 is installed on the material pipeline 5, the chemical reaction kettle 3 is communicated with the main preparation tank 4a through a main gas flow pipeline 7a, a reaction kettle air pump 16 is installed on the chemical reaction kettle 3, the main preparation tank 4a is communicated with the auxiliary preparation tank 4b through an auxiliary gas flow pipeline 7b, and aeration devices 13 are respectively installed on an extending end of the main gas flow pipeline 7a in the main preparation tank 4a and an extending end of the auxiliary gas flow pipeline 7b in the auxiliary preparation tank 4 b; wherein: a main water injection valve 6a and an auxiliary water injection valve 6B are respectively arranged on the main preparation tank 4a and the auxiliary preparation tank 4B, the main water injection valve 6a and the auxiliary water injection valve 6B are connected to a main water supply end C through a water supply pipeline, a gas flat pressure valve 12 and a liquid level sensor 14 are respectively arranged on the main preparation tank 4a and the auxiliary preparation tank 4B, a reaction liquid discharge valve 8, a main liquid discharge valve 9a and an auxiliary liquid discharge valve 9B are respectively arranged on the lower portions of the chemical reaction kettle 3, the main preparation tank 4a and the auxiliary preparation tank 4B, the reaction liquid discharge valve 8 is connected to a waste liquid discharge end B through a liquid flow pipeline, the main liquid discharge valve 9a and the auxiliary liquid discharge valve 9B are respectively connected to the disinfectant use end A and the waste liquid discharge end B through a liquid flow pipeline, a disinfection box 17 is arranged at the disinfectant use end A, the disinfection box 17 is respectively communicated with the main preparation box 4a and the auxiliary preparation box 4B through liquid flow pipelines, and is connected to the waste liquid discharge end B through a liquid flow pipeline, and a gas-liquid pump 18 is installed on the disinfection box 17.

An operation method for instantly preparing a disinfectant by using the disinfection device instantly preparing and instantly using the chlorine dioxide disinfectant and instantly disinfecting a medical endoscope 19 by using the chlorine dioxide disinfectant comprises the following steps:

step 1, opening a main water injection valve 6a and an auxiliary water injection valve 6b, guiding and supplying sterile water to a main preparation tank 4a and an auxiliary preparation tank 4b from a total water supply end C until the liquid level detected by each upper liquid level sensor 14 in the main preparation tank 4a and the auxiliary preparation tank 4b is reached, and then closing the main water injection valve 6a and the auxiliary water injection valve 6 b;

step 2, starting a raw material liquid pump 11, taking sodium chlorite and hydrochloric acid liquid respectively placed in a first raw material tank 1 and a second raw material tank 2 into a chemical reaction kettle 3, carrying out chemical reaction on the sodium chlorite and hydrochloric acid liquid in the chemical reaction kettle 3 to generate chlorine dioxide gas, starting a reaction kettle air pump 16, introducing the generated chlorine dioxide gas into the main preparation tank 4a through a main air flow pipeline 7a, dissolving the chlorine dioxide gas in water by utilizing an aeration device 13 arranged at the end of the main air flow pipeline 7a to prepare a chlorine dioxide disinfectant, and simultaneously introducing and dissolving the surplus chlorine dioxide gas into a water body in the auxiliary preparation tank 4b through an auxiliary air flow pipeline 7b to recycle residual gas;

step 3, opening a main liquid discharge valve 9a at the lower part of the main preparation tank 4a, and controlling and guiding the chlorine dioxide disinfectant prepared in the step 2 to a disinfectant use end A through a liquid flow pipeline, and simultaneously, opening a reaction liquid discharge valve 8 at the lower part of the chemical reaction kettle 3 and an auxiliary liquid discharge valve 9a arranged at the lower part of the auxiliary preparation tank 4B, and respectively controlling and guiding the chemical reaction residual liquid in the chemical reaction kettle 3 and the excessive gas absorption liquid in the auxiliary preparation tank 4B to a waste liquid discharge end B through liquid flow pipelines;

step 4, guiding the prepared chlorine dioxide disinfectant into the disinfection box 17 by using a liquid flow pipeline arranged at the disinfectant using end a, starting the auxiliary water injection valve 6b, injecting water into the auxiliary preparation tank 4b again by the main water supply end C until the detection liquid level of the liquid level sensor 14 is reached, starting the gas-liquid pump 18 at the same time, and disinfecting the medical endoscope 19 which is connected to the gas-liquid pump 18 and immersed in the chlorine dioxide disinfectant, wherein the operation process is as follows: keeping the gas-liquid pump 18 rotating at a low speed for 2 minutes, then opening a liquid flow pipeline connected to a waste liquid discharge end B to start discharging the waste chlorine dioxide disinfectant, meanwhile, the gas-liquid pump 18 is adjusted to rotate at a high speed, the main liquid discharge valve 9a is closed after the rotation is kept for 1.5 minutes, so that the chlorine dioxide disinfectant is fully circulated in the inner cavity of the medical endoscope 19 and the disinfection box 17, the auxiliary liquid discharge valve 9b is opened, sterile water is controlled and guided to the disinfectant using end A through a liquid flow pipeline and is guided into the disinfection box 17, the gas-liquid pump 18 is adjusted to rotate at a low speed for 2 minutes, a liquid flow pipeline connected to a waste liquid discharge end B is opened again to discharge disinfectant cleaning water, simultaneously, the gas-liquid pump 18 is regulated to rotate at a high speed again, and the rotation is kept for 2 minutes, so that the sterile water is fully circulated in the inner cavity of the medical endoscope 19 and the disinfection box 17;

and 5, closing the auxiliary liquid discharge valve 9b, emptying the disinfection box 17, drying the inner cavity of the medical endoscope 19, closing the gas-liquid pump 18, taking out the medical endoscope 19, and completing an operation cycle of the instant preparation, instant use and disinfection of the chlorine dioxide disinfectant.

In the operation method for instantly preparing the disinfectant and instantly disinfecting the medical endoscope by using the chlorine dioxide disinfectant, the main water supply end C provides pretreated sterile water, and the chemical reaction residual liquid, the excessive gas absorption liquid, the waste chlorine dioxide disinfectant and the disinfectant cleaning water which are guided to the waste liquid discharge end B are collected in a centralized manner and then are uniformly transferred to qualified medical waste treatment units for treatment.

Meanwhile, in the using and running process of the instant preparation and application device for chlorine dioxide disinfectant, once accidents or abnormal running conditions occur, the raw material liquid pump 11, the reactor air pump 16, the main water injection valve 6a and the auxiliary water injection valve 6B can be immediately closed, the reaction liquid discharge valve 8, the main liquid discharge valve 9a and the auxiliary liquid discharge valve 9B and liquid flow pipelines which are matched with the reaction liquid discharge valve and are guided to the waste liquid discharge end B are opened, and the chemical reaction kettle 3, the main preparation tank 4a and the auxiliary preparation tank 4B are quickly emptied, so that the device inspection and fault removal are fully prepared.

Through application experiments, the chlorine dioxide disinfectant with the concentration of 300ppm prepared by the technical scheme of the embodiment can completely meet the requirement of immediate disinfection of the medical endoscope, only takes 8 minutes from the preparation and use disinfection processes, and compared with the existing disinfection method, the time period can be greatly shortened, and the working efficiency is remarkably improved.

Claims (4)

1. A disinfection device for instantly preparing and using a chlorine dioxide disinfectant is characterized by comprising: the device comprises a first raw material tank (1), a second raw material tank (2), a chemical reaction kettle (3), a main preparation box (4 a) and an auxiliary preparation box (4 b);

the first raw material tank (1), the second raw material tank (2), the chemical reaction kettle (3), the main preparation tank (4 a) and the auxiliary preparation tank (4 b) are all closed containers, the first raw material tank (1) and the second raw material tank (2) are respectively communicated with the chemical reaction kettle (3) through material pipelines (5), the chemical reaction kettle (3) is communicated with the main preparation tank (4 a) through a main airflow pipeline (7 a), and the main preparation tank (4 a) is further communicated with the auxiliary preparation tank (4 b) through an auxiliary airflow pipeline (7 b); wherein: a main water injection valve (6 a) and an auxiliary water injection valve (6B) are respectively arranged on the main preparation tank (4 a) and the auxiliary preparation tank (4B), a reaction liquid discharge valve (8), a main liquid discharge valve (9 a) and an auxiliary liquid discharge valve (9B) are respectively arranged at the lower parts of the chemical reaction kettle (3), the main preparation tank (4 a) and the auxiliary preparation tank (4B), the reaction liquid discharge valve (8) is connected to a waste liquid discharge end B through a liquid flow pipeline, the main liquid discharge valve (9 a) is connected to a disinfectant using end A through a liquid flow pipeline, and the auxiliary liquid discharge valve (9B) is respectively connected to the disinfectant using end A and the waste liquid discharge end B through a liquid flow pipeline.

2. A chlorine dioxide disinfectant extemporaneous preparation ready-to-use disinfecting unit as claimed in claim 1 wherein: the disinfectant tank further comprises a disinfection box (17), wherein the disinfection box (17) is arranged at the disinfectant using end A, is respectively communicated with the main preparation tank (4 a) and the auxiliary preparation tank (4B) through liquid flow pipelines, and is simultaneously connected to the waste liquid discharging end B through the liquid flow pipelines.

3. A chlorine dioxide disinfectant extemporaneous preparation ready-to-use disinfecting unit as claimed in claim 2 wherein: and a gas-liquid pump (18) is arranged on the disinfection box (17).

4. A ready-to-use chlorine dioxide disinfectant sanitizing apparatus as described in any one of claims 1 to 3 wherein: the main discharge valve (9 a) is also connected to the waste liquid discharge end B by a liquid flow pipe.

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