CN112190742A

CN112190742A - Decontamination system

Info

Publication number: CN112190742A
Application number: CN202011144305.1A
Authority: CN
Inventors: 王旭光; 李秀明; 李波; 杨立敬; 王刚毅; 邢雷; 王增少; 龚保坤; 彭中梁; 冉旭东; 李聪
Original assignee: Beijing Bw Hi Tech Special Textile Co ltd
Current assignee: Beijing Bangwei Emergency Equipment Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-01-08
Anticipated expiration: 2040-10-23
Also published as: CN112190742B

Abstract

The invention discloses a decontamination system, which comprises a first container and a second container which are adjacently arranged, wherein a spray pressing disinfection module, a washing disinfection module and a sewage treatment module are sequentially arranged in the first container, a drying module and a fumigation disinfection module are sequentially arranged in the second container, the spray pressing disinfection module is used for carrying out hydrogen peroxide spray pressing disinfection treatment on reusable medical supplies, the washing disinfection module is used for carrying out washing disinfection treatment on the medical supplies after the spray pressing disinfection treatment in a negative pressure environment, the drying module is used for carrying out drying treatment on the medical supplies after the washing disinfection treatment, the fumigation disinfection module is used for carrying out hydrogen peroxide fumigation disinfection treatment on the medical supplies after the drying treatment, and the sewage treatment module is used for carrying out the spray pressing disinfection module, and sewage generated by the washing and disinfecting module and the fumigating and disinfecting module is treated. The decontamination system of the invention realizes repeated decontamination work of the reusable medical supplies.

Description

Decontamination system

Technical Field

The invention relates to the technical field of medical supplies decontamination treatment, in particular to a decontamination system.

Background

The disposable medical supplies have high use cost, and certain pollution can be caused to the environment in the medical waste treatment process after the disposable medical supplies are used up. Therefore, wide application of medical supplies with repeatable use is very necessary in cost and environmental protection, and the decontamination work of the medical supplies with repeatable use is one of the challenges to be faced by the medical supplies, and particularly after a novel coronavirus pneumonia epidemic situation appears, an engineering system capable of realizing decontamination of high-temperature-resistant materials such as reusable medical protective clothing and the like is urgently needed.

Disclosure of Invention

The invention aims to provide an decontamination system, which is used for solving the problem that the prior art lacks of a decontamination system capable of repeatedly using medical supplies.

In order to achieve the above object, the present invention provides a decontamination system, which includes a first container and a second container that are adjacently disposed, wherein a spray pressing disinfection module, a washing disinfection module and a sewage treatment module are sequentially disposed in the first container, a drying module and a fumigation disinfection module are sequentially disposed in the second container, the spray pressing disinfection module is used for performing hydrogen peroxide spray pressing disinfection treatment on reusable medical supplies, the washing disinfection module is used for performing washing disinfection treatment on the medical supplies subjected to spray pressing disinfection treatment in a negative pressure environment, the drying module is used for performing drying treatment on the medical supplies subjected to washing disinfection treatment, the fumigation module is used for performing hydrogen peroxide fumigation disinfection treatment on the medical supplies subjected to drying treatment, and the sewage treatment module is used for performing hydrogen peroxide fumigation disinfection treatment on the spray pressing disinfection module, And the washing and disinfecting module and the fumigation and sterilization module generate sewage for treatment.

Preferably, the spray pressing disinfection module comprises a decontamination room, and the decontamination room adopts 3% hydrogen peroxide for spray pressing to treat the medical supplies so as to prevent the medical supplies from forming aerosol.

Preferably, the fumigation module comprises a hydrogen peroxide sterilizer that sterilizes the medical supplies by converting a hydrogen peroxide solution into an aerosol of hydrogen peroxide.

Preferably, the fumigation module further comprises a ventilation purification device, the ventilation purification device comprises a first controller, and a filter ventilator and an overpressure control valve which are connected with the first controller, the filter ventilator is used for ventilating the clean room of the washing and disinfecting module, the fumigation chamber of the fumigation module and the drying chamber of the drying module, and the overpressure control valve is used for enabling the clean room and the fumigation chamber to be in a preset positive pressure environment.

Preferably, stifling sterilization module still includes stifling environment adjusting device, stifling environment adjusting device includes heat pump set and dehumidifier, heat pump set is used for adjusting stifling indoor temperature, the dehumidifier is used for adjusting stifling indoor humidity.

Preferably, the washing and disinfecting module comprises a linen truck, an isolated washing and dehydrating machine and an air compressor, the linen truck is used for placing the medical supplies to be washed and disinfected, the isolated washing and dehydrating machine is used for washing and disinfecting the medical supplies, and the air compressor is used for providing a negative pressure environment for the isolated washing and dehydrating machine.

Preferably, the washing and disinfecting module includes a clean room and a non-clean room separated by the isolated elution machine and an isolation wall.

Preferably, the drying module comprises a drying chamber and a heating chamber, a dryer is arranged in the drying chamber, the medical supplies are circularly conveyed between the drying chamber and the heating chamber through a conveyor, and the conveyor is provided with a manganese steel track.

Preferably, the sewage treatment module comprises a water storage tank, two groups of water quality acid-base regulators, a water flow regulating pump and a second controller connected with the water flow regulating pump, wherein one group of the acid-base regulators are used for regulating the water quality of inlet water of the water storage tank, and the other group of the acid-base regulators are used for regulating the water quality of outlet water of the water storage tank.

Preferably, the medical supply device further comprises a third container, a communication channel is arranged between the second container and the third container, and the medical supply processed by the fumigation sterilization module in the second container is conveyed into the third container through the communication channel.

The invention has the following advantages:

the decontamination system is composed of a movable container, a spray pressing disinfection module, a washing disinfection module, a drying module, a fumigation disinfection module and a sewage treatment module are integrated in the container, and multiple functions of cleaning, disinfection, drying, disinfection, sewage treatment and the like are integrated into a whole.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.

Drawings

FIG. 1 is a schematic block diagram of a decontamination system, according to an exemplary embodiment;

fig. 2 is a block diagram illustrating the structure of a fumigation sterilization module according to an exemplary embodiment;

FIG. 3 is a schematic structural view of a first container shown in accordance with an exemplary embodiment;

fig. 4 is a schematic diagram of a second container shown in accordance with an exemplary embodiment.

Detailed Description

The technical solutions of the present invention will be clearly and completely described below in connection with specific embodiments, but it should be understood by those skilled in the art that the embodiments described below are only for illustrating the present invention and should not be construed as limiting the scope of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Preferred embodiments of the present invention will be described in detail with reference to the following examples. It is to be understood that the following examples are given for illustrative purposes only and are not intended to limit the scope of the present invention. Various modifications and substitutions may be made by those skilled in the art without departing from the spirit and scope of the invention, and all such modifications and substitutions are intended to be within the scope of the claims.

Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.

The invention is further described with reference to the following figures and examples:

in order to achieve the above object, referring to fig. 1, an embodiment of the present invention provides a decontamination system, including a first container 1 and a second container 2 which are adjacently disposed, a spray pressing sterilization module 10, a washing sterilization module 20 and a sewage treatment module 30 are sequentially disposed in the first container 1, a drying module 40 and a fumigation sterilization module 50 are sequentially disposed in the second container 2, wherein the spray pressing sterilization module 10 is used for performing hydrogen peroxide spray pressing sterilization on reusable medical supplies, the washing sterilization module 20 is used for performing washing sterilization on the medical supplies after the spray pressing sterilization in a negative pressure environment, the drying module 40 is used for performing drying treatment on the medical supplies after the washing sterilization, the fumigation sterilization module 50 is used for performing hydrogen peroxide fumigation sterilization on the medical supplies after the drying sterilization, the sewage treatment module 30 is used for treating the sewage generated by the spray pressing disinfection module 10, the washing disinfection module 20 and the fumigation disinfection module 50.

The decontamination system comprises two containers, wherein a spray pressing disinfection module, a washing disinfection module, a drying module, a fumigation disinfection module and a sewage treatment module are integrated in the containers, and the decontamination system integrates multiple functions of cleaning disinfection, drying, disinfection, sewage treatment and the like, is convenient and fast to operate, saves space and realizes repeated decontamination work of medical supplies made of non-high temperature resistant materials such as reusable medical protective clothing and the like.

The decontamination system of the embodiment has the following characteristics: 1) modular design: the decontamination system adopts a modular design, and each process module is mutually independent and can be arranged and combined, so that the system has good maneuverability and large upgrading space; 2) intensive design: the decontamination system adopts an intensive design, and provides one-stop service for cleaning, disinfecting and sterilizing medical products under the condition of saving space as much as possible; 3) the movable design: the container of the decontamination system adopts an integral movable design, and can realize rapid replication and transfer; 4) ecological environmental protection property: the decontamination system can be used for cleaning, disinfecting and sterilizing various reusable medical products, the pH value of the water after decontamination can be adjusted, the treated water can be directly discharged, the use of disposable medical supplies can be reduced, the medical waste is reduced, the use cost is reduced, and the environment is protected; 5) market applicability: the decontamination system can be widely applied to decontamination of various materials which are not high-temperature resistant as a low-temperature sterilization and disinfection process technology, provides support for reusable medical products, protects driving during repeated use of reusable medical protective clothing during a new coronary pneumonia epidemic situation, and can provide disinfection and disinfection services of conventional medical products.

According to the above scheme, further, referring to fig. 3, the spray pressing disinfection module 10 in the embodiment of the invention comprises a decontamination chamber 11, and the decontamination chamber 11 is used for spray pressing with hydrogen peroxide with the concentration of 3% to treat the medical supplies so as to prevent the medical supplies from forming aerosol.

The spray pressing module in the embodiment is divided into a shower room, a decontamination room and a dressing room. Medical personnel pass through the dressing room with protective articles or with reusable medical articles needing sterilization, enter the decontamination room for sterilization, and spray-press the medical articles by adopting hydrogen peroxide with the concentration of 3% in the decontamination room, so that the medical articles are prevented from forming aerosol and polluting the decontamination room. Placing sterilized articles in disposable water-soluble bag, placing in cloth grass vehicle, and allowing medical personnel to enter into shower room for bathing and changing clothes.

According to the above scheme, further referring to fig. 2, the fumigation module 50 in the embodiment of the present invention includes a hydrogen peroxide sterilizer 51, and the hydrogen peroxide sterilizer 51 sterilizes the medical supplies by converting a hydrogen peroxide solution into hydrogen peroxide aerosol.

According to the above scheme, further, referring to fig. 2, the fumigation module 50 in the embodiment of the present invention further includes a ventilation purification device 52, the ventilation purification device 52 includes a first controller 521, and a filter ventilator 522 and an overpressure regulating valve 523 connected to the first controller 521, the filter ventilator 522 is used for ventilating the clean room of the washing and disinfecting module 20, the fumigation chamber of the fumigation module 50, and the drying chamber 41 of the drying module 30, and the overpressure regulating valve 523 is used for keeping the clean room and the fumigation chamber in a preset positive pressure environment.

According to the scheme, further referring to fig. 2, in the embodiment of the present invention, the fumigation sterilization module 50 further includes a fumigation environment adjusting device 53, the fumigation environment adjusting device 53 includes a heat pump unit 531 and a dehumidifier 532, the heat pump unit 531 is used for adjusting the temperature in the fumigation chamber, and the dehumidifier 532 is used for adjusting the humidity in the fumigation chamber.

The fumigation sterilization module in the embodiment is close to the drying module and mainly comprises an efficient ventilation purification device, a fumigation environment adjusting device and a hydrogen peroxide disinfection machine. The ventilation purification device mainly comprises a filter ventilator, an overpressure regulating valve and a first controller, is mainly used for ventilating the clean room, the fumigation chamber and the drying chamber, maintains a certain positive pressure in the clean room and the fumigation chamber, and prevents viruses from leaking into the clean room and the fumigation chamber through the cabin body. The fumigation environment adjusting device mainly comprises a heat pump unit and a dehumidifier and is used for adjusting the temperature and humidity environment of the fumigation chamber before fumigation and disinfection and providing adaptive environmental conditions for fumigation and disinfection. Hydrogen peroxide sterilizers are used to fumigate medical supplies by converting hydrogen peroxide solution into hydrogen peroxide (H)₂O₂) The aerosol can realize sterilization without dead angles in the space, kill novel coronavirus and potential variant products and other pathogenic microorganisms infected on the space and the surface of an object, have broad-spectrum sterilization antibacterial activity, achieve the sterilization effect of 6log of biological reduction, and realize low corrosion, no residue and safe reuse. After the end of the sterilization process, the sterilization process is completed,the vaporized hydrogen peroxide is easily decomposed into water and oxygen, and has no secondary harm to operators and the environment. In addition, in order to ensure that the temperature of the fumigation chamber reaches more than 30 ℃, an air source heat pump heating system is provided, and the system consists of 1 air source heat pump unit, 2 circulating water pumps, 1 buffer water tank, 1 heat dissipation terminal and 1 heat dissipation fan.

According to the scheme, further, as shown in fig. 3, the washing and disinfecting module 20 in the embodiment of the invention comprises a linen truck 21, an isolated washing and disinfecting machine 22 and an air compressor 23, wherein the linen truck 21 is used for placing medical supplies to be washed and disinfected, the isolated washing and disinfecting machine 22 is used for washing and disinfecting the medical supplies, and the air compressor 23 is used for providing a negative pressure environment for the isolated washing and disinfecting machine.

According to the above scheme, further, the washing and disinfecting module 20 in the embodiment of the present invention includes a clean room and a non-clean room, and the clean room and the non-clean room are separated by an isolated elution machine and an isolation wall.

The cleaning and disinfecting module in the embodiment is close to the spray pressing and disinfecting module, after hydrogen peroxide is used for spray disinfection, medical staff take off protected medical supplies or place the medical supplies in disposable water-soluble paper bags, aerosol pollution space generated in the operation process is avoided, the paper bags are placed on a linen trolley, and cleaning and disinfecting are carried out by special cleaning personnel in charge. The washing and disinfecting module in the embodiment mainly comprises an isolated washing and dehydrating machine, a linen truck, an air compressor and the like, wherein the isolated washing and dehydrating machine can meet strict requirements on aseptic, dust-free and anti-static washing, and a laundry is divided into two independent operation areas, namely a clean area, namely a clean room, and a non-clean area, namely a non-clean room, by the isolated washing and dehydrating machine and an isolation wall, so that secondary pollution and cross infection of clean washings are avoided; the air compressor is used in combination with the isolated washing and dehydrating machine, a negative pressure environment is provided for the isolated washing and dehydrating machine, a negative pressure structure is arranged inside the washing and dehydrating machine in the washing and dehydrating process, pollution germs carried on clothes in the washing and dehydrating process are prevented from leaking and diffusing to the external space, and a protection effect is provided for the whole washing space.

According to the above solution, further, referring to fig. 4, in the embodiment of the present invention, the drying module 40 includes a drying chamber 41 and a heating chamber 42, a dryer 43 is disposed in the drying chamber 41, the medical supplies are circularly conveyed between the drying chamber 41 and the heating chamber 42 by a conveyor 44, and the conveyor 44 has a manganese steel rail.

The drying module is close to the washing and disinfecting module in the embodiment, so that the washed and disinfected medical supplies are quickly dried, the drying time is saved, and the reuse time interval of the reusable medical supplies is shortened. The drying module in the embodiment mainly comprises a dryer, a conveyor, a drying chamber, a heating chamber, a moisture discharging and air returning system, a clothes hanger and the like, wherein the used dryer meets the drying requirement at 60 ℃, a heat-insulating layer with the thickness of 75mm is adopted, a galvanized plate is lined inside, a white color-coated plate is arranged on the outer surface, and a carbon steel section steel framework is adopted inside; the temperature of the drying chamber is adjustable; the conveyor is of a rail type, so that the cyclic conveying of medical supplies between the drying chamber and the heating chamber can be realized, the rail is a manganese steel rail, the antirust paint is sprayed on the manganese steel rail, the height of the rail meets 1800mm of long protective clothing, the conveying speed of the conveyor is 0-2 m/min, and the conveying speed is adjustable; the maximum air quantity of a fan of the moisture removing and air returning system is 14750m²And the air volume can be adjusted.

According to the above scheme, referring to fig. 3, the sewage treatment module 30 in the embodiment of the present invention further includes a water storage tank 31, two sets of water quality acid-base regulators 32, a water flow regulating pump 33, and a second controller connected to the water flow regulating pump 33, where one set of acid-base regulators 32 is used to regulate the water quality of the inlet water of the water storage tank 31, and the other set of acid-base regulators 32 is used to regulate the water quality of the outlet water of the water storage tank 31.

The sewage treatment module is next to the washing and disinfecting module in this embodiment, and is composed of sewage treatment integrated equipment, including storage water tank, two sets of quality of water acid-base regulators, rivers regulating pump and second controller etc. one of them set of quality of water acid-base regulator is used for adjusting into water quality of water, and another group is used for adjusting out water quality of water. In the embodiment, the pH value of the water after the decontamination is regulated, so that the treated water can be directly discharged, and the environment is protected.

According to the above scheme, further, as shown in fig. 1, the embodiment of the present invention further includes a third container 3, a communication channel 4 is provided between the second container 2 and the third container 3, and the medical supplies processed by the fumigation module 50 in the second container 2 are conveyed into the third container 3 through the communication channel 4.

Claims

1. The utility model provides a decontamination system, its characterized in that, first container and second container including adjacent setting, spray suppression disinfection module, washing disinfection module and sewage treatment module have set gradually in the first container, drying module and stifling disinfection module have set gradually in the second container, spray suppression disinfection module is used for carrying out hydrogen peroxide spray suppression disinfection to repeatedly usable's medical supplies, washing disinfection module is used for carrying out washing disinfection under negative pressure environment to medical supplies after spray suppression disinfection handles, drying module is used for carrying out drying treatment to medical supplies after washing disinfection, stifling disinfection module is used for carrying out hydrogen peroxide fumigation disinfection to medical supplies through drying treatment, sewage treatment module is used for right spray suppression disinfection module, And the washing and disinfecting module and the fumigation and sterilization module generate sewage for treatment.

2. The decontamination system of claim 1, wherein said spray-hold sterilization module comprises a decontamination chamber, said decontamination chamber being spray-held with hydrogen peroxide at a concentration of 3% to treat said medical supplies to prevent said medical supplies from forming aerosols.

3. The decontamination system of claim 1, wherein said fumigation module includes a hydrogen peroxide sterilizer that sterilizes said medical supply by converting a hydrogen peroxide solution into an aerosol of hydrogen peroxide.

4. The decontamination system of claim 3, wherein the fumigation module further comprises a ventilation purification device, the ventilation purification device comprises a first controller, and a filter ventilator and an overpressure control valve connected to the first controller, the filter ventilator is used for ventilating the clean room of the washing and disinfecting module, the fumigation chamber of the fumigation module and the drying chamber of the drying module, and the overpressure control valve is used for keeping the clean room and the fumigation chamber in a preset positive pressure environment.

5. The decontamination system of claim 4, wherein the fumigation module further comprises a fumigation environment conditioning device comprising a heat pump unit and a dehumidifier, the heat pump unit is configured to adjust the temperature in the fumigation chamber, and the dehumidifier is configured to adjust the humidity in the fumigation chamber.

6. The decontamination system of claim 1, wherein the washing and disinfecting module comprises a linen truck for placing the medical supplies to be decontaminated, an isolated decontamination machine for decontaminating the medical supplies, and an air compressor for providing a negative pressure environment for the isolated decontamination machine.

7. The decontamination system of claim 6, wherein the decontamination module comprises a clean room and a non-clean room separated by the isolation elution machine and a partition wall.

8. The decontamination system of claim 1, wherein said drying module comprises a drying chamber and a heating chamber, said drying chamber having a dryer disposed therein, said medical supplies being circulated between said drying chamber and said heating chamber by a conveyor having a manganese steel track.

9. The decontamination system of claim 1, wherein the wastewater treatment module comprises a water storage tank, two sets of water quality acid-base regulators, a water flow regulating pump, and a second controller connected to the water flow regulating pump, wherein one set of the acid-base regulators is used to regulate the quality of inlet water to the water storage tank, and the other set of the acid-base regulators is used to regulate the quality of outlet water from the water storage tank.

10. The decontamination system of any one of claims 1-9, further comprising a third container, wherein a communication channel is provided between the second container and the third container, and the medical supplies treated by the fumigation module in the second container are transported into the third container through the communication channel.