KR20200141286A - Hydrogen peroxide vaporization system - Google Patents

Abstract

The present invention relates to a hydrogen peroxide steam sterilization system, which comprises: a sterilization chamber in which an object to be sterilized is loaded; a suction pipe coupled to one side of the sterilization chamber, through which air containing the gas sterilized in the sterilization chamber is sucked; an injection pipe coupled to the other side of the sterilization chamber and configured to inject air containing a sterilization gas into the sterilization chamber; a circulating fan connected to one side of the suction pipe to suck the air in the sterilization chamber; a distributor installed at the rear end of the circulating fan to branch the circulation of air supplied from the suction pipe in multiple directions; a steam detoxification device having one side connected to the distributor to decompose the hydrogen peroxide contained in the air supplied to the suction pipe and re-supply into the sterilization chamber; and a steam generating device having one side connected to the distributor and supplying hydrogen peroxide vapor, which is generated by supplying and vaporizing hydrogen peroxide in the air supplied to the suction pipe, into the sterilization chamber, wherein the vapor generating device includes a housing accommodating a vaporizer for generating hydrogen peroxide vapor by mixing the air branched from the distributor to the other side in an internal space with a hydrogen peroxide solution and vaporizing the mixture in the air.

Description

Hydrogen peroxide steam sterilization system {HYDROGEN PEROXIDE VAPORIZATION SYSTEM}

The present invention relates to a hydrogen peroxide steam sterilization technology, and more specifically, hydrogen peroxide having a housing structure that facilitates stable liquid vaporization and repair by mounting a high-heat steam generating device for generating hydrogen peroxide vapor inside a housing and sealing the upper and lower portions with a cover. It relates to a steam sterilization system.

In general, in the sterilization and disinfection of medical instruments, mechanical equipment, electronic equipment, etc., a high-pressure steam sterilization method using saturated steam is usually used under high pressure, or damage to instruments or materials is not required without requiring high temperature, high humidity, or high pressure. Sterilization and fixation are performed by an ethylene oxide gas sterilization method or the like using a chemical substance such as ethylene oxide that is not given.

However, since the high-pressure steam sterilizer sterilizes at a high temperature of 120 degrees or higher, the recently developed medical devices made of synthetic resins are deformed, and medical devices made of steel have their delicate blades dull, which is much shorter than the existing life span. do. In addition, in the ethylene oxide gas sterilizer, ethylene oxide remains in the object to be sterilized, or carcinogenic and toxic substances are generated due to the reaction product, and it is necessary to leave about 12 hours or more after sterilization in order to vent it. In addition, it has been reported that ethylene oxide gas has a high risk of explosion by itself and can act as a genetically toxic substance capable of causing mutations, and it is regulated as a carcinogen, requiring much attention in its use.

On the other hand, the sterilization method using hydrogen peroxide steam is delivered in the form of steam to various devices, enabling device sterilization along with space sterilization, and has excellent sterilization power to remove spores of microorganisms that cannot be removed with general disinfectants. , After sterilization, the residue is decomposed into water and oxygen, so it is widely used because it is safe and eco-friendly.

However, the vaporizer that generates hydrogen peroxide vapor has a problem in that the liquid vaporization structure is unstable due to a fire hazard due to high heat and a high operating voltage.

In addition, conventionally, since it has a structure manufactured by welding the exterior of a metal carburetor, it is difficult to repair when the carburetor breaks down, and there is an inconvenience of having to replace the whole.

Korean Patent Laid-Open Publication No. 10-2016-0083501 (2016.07.12) relates to a hydrogen peroxide steam sterilization system, a three-way valve branching the circulation of air through a hydrogen peroxide steam generation circuit and a decomposition circuit of the generated steam, and the hydrogen peroxide steam A catalyst device that decomposes the catalytic device, a first dehumidifying device formed in a cooling coil method, a vaporizer that instantaneously evaporates the hydrogen peroxide liquid, a heating coil that performs reheating in the generation circuit, and dehumidifies with a cooling function in the decomposition circuit, and And a second dehumidifying device, a heat pump device for cooling and heating, and a compressor, and a connection loop for circulating from the decomposition circuit to the second dehumidifying device.

Korean Patent Application Publication No. 10-2018-0123344 (2018.11.16) relates to a hydrogen peroxide steam sterilization and decontamination system, a hydrogen peroxide vapor vaporization unit that generates hydrogen peroxide vapor, and a vapor discharge unit that discharges hydrogen peroxide vapor generated in a target space. , A vapor intake unit for inhaling hydrogen peroxide vapor in the target space, an air flow control unit for controlling discharge and inhalation of the hydrogen peroxide vapor, a hydrogen peroxide vapor decontamination unit for decomposing the sucked hydrogen peroxide vapor, and the hydrogen peroxide vapor vaporization unit, the steam Disclosed is a hydrogen peroxide steam sterilization and detoxification system comprising a control unit for controlling the discharge unit, the vapor intake unit, the air flow control unit, and the hydrogen peroxide vapor decontamination unit.

Korean Patent Application Publication No. 10-2016-0083501 (2016.07.12) Korean Patent Application Publication No. 10-2018-0123344 (2018.11.16)

An embodiment of the present invention is to provide a hydrogen peroxide steam sterilization system having a housing structure that facilitates stable liquid vaporization and repair by mounting a high-heat steam generating device for generating hydrogen peroxide vapor inside a housing and sealing the upper and lower portions with a cover.

An embodiment of the present invention is to provide a hydrogen peroxide steam sterilization system that prevents the change from vapor gas state to liquid by maintaining at a constant temperature when supplying hydrogen peroxide vapor generated by vaporizing hydrogen peroxide into a sterilization chamber.

Among the embodiments, the hydrogen peroxide steam sterilization system includes a sterilization chamber in which an object to be sterilized is loaded, a suction pipe through which air containing sterilization gas, which has been sterilized in the sterilization chamber, is sucked, and the sterilization chamber is coupled to one side of the sterilization chamber. An injection pipe coupled to the other side to inject air containing sterilization gas into the sterilization chamber, a circulation fan connected to one side of the suction pipe to suck air in the sterilization chamber, and installed at the rear end of the circulation fan to be supplied from the suction pipe Distributor for branching the circulation of the air in multiple directions, one side is connected to the distributor to decompose hydrogen peroxide contained in the air supplied to the suction pipe and resupply into the sterilization chamber, and one side is connected to the distributor And a steam generating device for supplying hydrogen peroxide to the air supplied to the suction pipe and supplying hydrogen peroxide vapor generated by vaporizing into the sterilization chamber, wherein the steam generating device transfers the air branched from the distributor to the other side in the inner space. It may include a housing for accommodating a vaporization unit for generating hydrogen peroxide vapor by mixing with the hydrogen peroxide solution and vaporizing in the air.

The steam generating device includes a housing, a cover that is detachably fastened to an upper and a lower portion of the housing to seal the housing, an inlet connected to the cover of the lower portion of the housing to suck air supplied from the suction pipe into the housing, A supply pipe connected to the upper cover of the housing to supply the hydrogen peroxide solution to the inside of the housing, and a hydrogen peroxide solution supplied through the supply pipe and air that is mounted inside the housing and sucked through the supply pipe are mixed, and gas at a certain temperature point It may include a vaporization unit for converting to a vapor state, and a discharge port connected to the cover of the upper portion of the housing to discharge the gas stream converted to the hydrogen peroxide vapor gas state.

The steam generating device may further include a heater for ejecting the gas from which the hydrogen peroxide solution has been converted into a vapor gas at a constant temperature and ejected into a vapor gas state through the vaporization unit.

The heater unit may be installed at the initial inlet of the discharge port to reheat the hydrogen peroxide vapor generated in the interior space of the housing before being discharged.

The cover may be fastened to the housing with a clamp so as to be detachable.

The steam generating device may further include a hydrogen peroxide supply unit supplying a predetermined amount of the hydrogen peroxide solution to the supply pipe of the housing.

The supply pipe may be installed to be close to the upper side of the vaporization part by penetrating the inside of the housing from the cover on the upper part of the housing.

The steam decontamination device may include a catalyst unit for decomposing the sucked hydrogen peroxide vapor, a dehumidifying unit for removing water vapor due to decomposition of the hydrogen peroxide vapor, and a filter unit for filtering by-product gas due to decomposition of the hydrogen peroxide vapor.

The disclosed technology can have the following effects. However, since it does not mean that a specific embodiment should include all of the following effects or only the following effects, it should not be understood that the scope of the rights of the disclosed technology is limited thereby.

In the hydrogen peroxide steam sterilization system according to an embodiment of the present invention, by installing a high-heat steam generating device that generates hydrogen peroxide vapor inside the housing, it is possible to secure fire safety and exhibit heat insulation and heat dissipation effects, so that stable liquid vaporization at low operating voltage Structure can be provided.

The hydrogen peroxide steam sterilization system according to an embodiment of the present invention provides a structure that facilitates repair by opening the cover in case of a device failure by sealing the upper and lower portions of the housing in which the high-heat steam generating device is mounted with a removable cover. can do.

The hydrogen peroxide steam sterilization system according to an embodiment of the present invention can prevent the hydrogen peroxide vapor from being changed from vapor gas state to liquid by maintaining it at a constant temperature when supplying hydrogen peroxide vapor generated by vaporizing hydrogen peroxide into the sterilization chamber.

1 is a view illustrating a hydrogen peroxide steam sterilization system according to an embodiment of the present invention.
FIG. 2 is a diagram illustrating the structure of a steam generating device in FIG. 1.

Since the description of the disclosed technology is merely an embodiment for structural or functional description, the scope of the rights of the disclosed technology should not be construed as being limited by the embodiments described in the text. That is, since the embodiments can be variously changed and have various forms, the scope of the rights of the disclosed technology should be understood to include equivalents capable of realizing the technical idea.

Meanwhile, the meaning of terms described in the present application should be understood as follows.

Terms such as "first" and "second" are used to distinguish one component from other components, and the scope of rights is not limited by these terms. For example, a first component may be referred to as a second component, and similarly, a second component may be referred to as a first component.

The term “and/or” is to be understood as including all possible combinations from one or more related items. For example, the meaning of “a first item, a second item and/or a third item” may be presented from two or more of the first, second or third items as well as the first, second or third item. It means a combination of all possible items.

When a component is referred to as being "connected" to another component, it should be understood that it may be directly connected to the other component, but other components may exist in the middle. On the other hand, it should be understood that some components do not exist. On the other hand, other expressions describing the relationship between the constituent elements, that is, "between" and "just between" or "neighboring to" and "directly neighboring to" should be interpreted as well.

Singular expressions are to be understood as including plural expressions unless the context clearly indicates otherwise, and terms such as "comprises" or "have" refer to specified features, numbers, steps, actions, components, parts, or It is to be understood that the combination is intended to designate the existence and does not preclude the presence or addition of one or more other features or numbers, steps, actions, components, parts, or combinations thereof.

In each step, the identification code (e.g., a, b, c, ??) is used for convenience of explanation, and the identification code does not describe the order of each step, and each step is clearly specified in the context. Unless the order is specified, it may occur differently from the order specified. That is, each of the steps may occur in the same order as specified, may be performed substantially simultaneously, or may be performed in the reverse order.

All terms used herein have the same meaning as commonly understood by one of ordinary skill in the field to which the disclosed technology belongs, unless otherwise defined. Terms defined in commonly used dictionaries should be construed as having meanings in the context of related technologies, and cannot be construed as having an ideal or excessive formal meaning unless explicitly defined in the present application.

1 is a view illustrating a hydrogen peroxide steam sterilization system according to an embodiment of the present invention.

1, the hydrogen peroxide steam sterilization system 100 includes a sterilization chamber 110, a suction pipe 120, an injection pipe 130, a circulation fan 130, a distributor 150, a steam decontamination device 160, and a steam It includes a generating device 170.

In the sterilization chamber 110, the object to be sterilized is loaded inside, and hydrogen peroxide vapor, which is a sterilization gas, is introduced into the sterilization chamber 110 to sterilize the object to be sterilized.

The suction pipe 120 is coupled to one side of the sterilization chamber 110 so that the air containing the sterilization gas, which has been sterilized in the sterilization chamber 110 as described above, is sucked into the suction pipe 120.

The injection pipe 130 is coupled to the other side of the sterilization chamber 110 to inject air containing sterilization gas made of hydrogen peroxide vapor into the sterilization chamber 110.

The circulation fan 140 is connected to one side of the suction pipe 120 to suck air in the sterilization chamber 110 and move it to the rear end of the suction pipe 120.

The distributor 150 is connected to the suction pipe 120 at the rear end of the circulation fan 140 to branch the circulation of air supplied from the suction pipe 120 to the steam decontamination device 160 and the steam generator 170. The distributor 150 includes a three-way valve (3Way v/v) so that air is supplied to the steam generator 170 or to the steam decontamination device 160 as needed by opening the valve.

The steam decontamination device 160 has one side connected to the distributor 150 to decompose hydrogen peroxide contained in the air supplied to the suction pipe 120 and resupply into the sterilization chamber 110

The steam decontamination device 160 includes a catalyst unit 161, a dehumidifying unit 163, and a filter unit 165.

The catalyst unit 161 decomposes the hydrogen peroxide vapor supplied from the suction pipe 120 using a decomposition catalyst. In one embodiment, a carbon catalyst may be used as the decomposition catalyst.

The dehumidifying unit 163 absorbs water vapor, which is a by-product of the hydrogen peroxide vapor decomposition by the catalyst unit 161, so that the activity of the hydrogen peroxide decomposition catalyst included in the catalyst unit 161 is sufficiently maintained. In one embodiment, silica gel may be used as the dehumidifying agent. Silica gel is a sturdy mesh silicate particle made by the reaction of sulfuric acid and sodium silicate. It has the formula of SiO ₂ ·nH ₂ O. Small pores are connected to each other to form a strong mesh structure, and water as a solvent enters between them. It is a hardened amorphous particle. Due to its very large surface area, it has a very good ability to absorb water or alcohol, so it is widely used as a dehumidifying agent.

The filter unit 165 passes through the dehumidifying unit 163 to remove impurities contained in the by-product gas of hydrogen peroxide vapor decomposition except for water vapor, and generally, a HEPA filter may be applied.

The steam generating device 170 is one side connected to the distributor 150 to supply hydrogen peroxide to the air supplied to the suction pipe 120, and to supply hydrogen peroxide vapor generated by vaporization into the sterilization chamber 110, such as The steam generating device 170 includes a vaporization unit 171, a hydrogen peroxide supply unit 173, and a heating unit 175.

The hydrogen peroxide supply unit 173 stores a hydrogen peroxide solution therein, and supplies a predetermined amount of hydrogen peroxide solution to the vaporization unit 171.

The vaporization unit 171 mixes the air branched from the distributor 150 to the other side and the hydrogen peroxide solution supplied from the hydrogen peroxide supply unit 173 and vaporizes it in the air to generate hydrogen peroxide vapor. In one embodiment, the vaporization part 171 may be formed of a housing structure that is received and installed in the inner space of the housing.

The heating unit 175 reheats the hydrogen peroxide vapor generated through the vaporization unit 171 and then supplies it to the injection pipe 130. This heating unit 175 is to prevent condensation by heating the hydrogen peroxide vapor vaporized by a rapid temperature change once more before being supplied into the sterilization chamber 110. In one embodiment, the heating unit 175 may be installed and accommodated in the inner space of the housing together with the vaporizing unit 171 or may be installed outside the housing.

FIG. 2 is a diagram illustrating the structure of the vaporization generating device in FIG. 1.

Referring to FIG. 2, the vaporization generating device 170 includes a housing 210, an upper cover 220, a lower cover 230, a vaporization unit 240, a heater unit 250, a suction port 260, and a hydrogen peroxide solution supply pipe. 270 and a discharge port 280 may be included.

The housing 210 includes a vaporizer 240 and a heater 250 therein to form hydrogen peroxide vapor in the inner space.

Upper and lower portions of the housing 210 are provided with an upper cover 220 and a lower cover 230, respectively, to seal the housing 210.

The upper cover 220 and the lower cover 230 are configured to be detachable to each of the upper and lower portions of the housing 210. In one embodiment, the upper cover 220 and the lower cover 230 may be fastened to the housing 210 through a fastener having a clamp structure.

The vaporization unit 240 functions as a hot plate for converting the hydrogen peroxide liquid into a gas vapor state at a certain temperature point. The vaporization unit 240 receives a certain amount of hydrogen peroxide solution into the housing 210 and first heats it to a temperature close to the vaporization point of hydrogen peroxide, and then sprays the first heated hydrogen peroxide solution onto the vaporization hot plate to instantaneously vaporize the vapor. It can be converted into a form. Here, the vaporization unit 240 instantaneously evaporates the hydrogen peroxide liquid at a temperature of about 120 to 140°C. At this time, the vaporization unit 240 is surrounded by the housing 210, so that heat insulation and heat dissipation effects are exhibited, and thus the vaporization unit 240 has a structure in which the temperature decreases to a minimum during liquid vaporization, and the power burden can be reduced by a low use voltage.

The heater unit 250 maintains a constant temperature of the hydrogen peroxide liquid through the vaporization unit 240 into a vapor gas and ejects the gas into the atmosphere (sterilization chamber) in a vapor gas state. The heater unit 250 is provided at the initial inlet of the discharge port 280 and reheats the hydrogen peroxide vapor gas immediately before discharge to maintain a constant temperature to have a phase change prevention structure that changes from a vapor gas state to a liquid. In one embodiment, the heater unit 250 is installed inside the housing 210, but may be installed by connecting it to the outlet side of the discharge port 280 outside the housing 210.

The suction port 260 is connected to the lower cover 230 to suck air in the atmosphere (sterilization chamber) into the housing 210.

The hydrogen peroxide solution supply pipe 270 supplies a predetermined amount of hydrogen peroxide solution from the hydrogen peroxide supply unit 173 to the vaporization unit 240. Here, the hydrogen peroxide solution supply pipe 270 passes through the housing 210 and is installed close to the vaporization part 240.

The discharge port 280 is connected to the upper cover 220 and discharges the gas stream changed to the hydrogen peroxide vapor gas state by the vaporization unit 240 mounted inside the housing 210.

Hereinafter, the operation of the hydrogen peroxide steam sterilization system according to an embodiment will be described in detail.

First, to explain the steam decontamination method, air that has undergone a sterilization operation in the sterilization chamber 110 is sucked through the circulation fan 140 and moved to the rear end along the suction pipe 120. In this way, the air moving along the suction pipe 120 is guided from the distributor 150 to the steam decontamination device 160, and the induced air is decomposed using the hydrogen peroxide decomposition catalyst included in the catalyst unit 161, and the hydrogen peroxide vapor Water vapor, which is a by-product of decomposition, is absorbed by the dehumidifying unit 163. Accordingly, the activity of the hydrogen peroxide decomposition catalyst included in the catalyst unit 161 is sufficiently maintained.

In addition, it passes through the filter unit 165 to remove impurities contained in the by-product gas of hydrogen peroxide vapor decomposition except for water vapor, and finally resupplies into the sterilization chamber 110 through the suction pipe 120. The resupplied air is circulated several times along the steam decontamination device 160 to decompose hydrogen peroxide contained in the air.

In addition, the hydrogen peroxide vapor generation first induces air sucked into the circulation fan 140 from the distributor 150 to the steam generating device 170 side.

The steam generator 170 sucks air guided through the inlet 260 into the housing 210. The steam generating device 170 supplies the hydrogen peroxide solution supplied in a predetermined amount from the hydrogen peroxide solution supply unit 173 through the hydrogen peroxide solution supply pipe 270 to the vaporization unit 240 installed inside the housing 210. The vaporization unit 240 mounted inside the housing 210 causes hydrogen peroxide vapor to be generated through vaporization of the inhaled air. The air sucked into the housing 210 is mixed with the hydrogen peroxide solution quantitatively supplied through the hydrogen peroxide supply unit 173, and at this time, the hydrogen peroxide vapor is vaporized through the hot plate heated at a high temperature of the vaporization unit 240 and is generated as vapor in the air. . Here, instantaneous vaporization is a phenomenon in which all components in a liquid state can exist as vapor, and a vapor mixture of hydrogen peroxide and water may be generated in the hydrogen peroxide solution. In addition, hydrogen peroxide vapor through such instantaneous vaporization may exist in a higher concentration than hydrogen peroxide vapor in a natural state.

The air in which hydrogen peroxide vapor is generated by the vaporization unit 240 inside the housing 210 is reheated while passing through the heater unit 250 immediately before being discharged to the discharge port 280 formed on the upper side of the housing 210. This is to prevent the hydrogen peroxide vapor from condensing due to temperature changes during movement. The air thus reheated is discharged through the discharge port 280 and injected into the sterilization chamber 110 along the injection pipe 130.

In more detail, hydrogen peroxide vapor is discharged to the outside along the discharge port 280 formed in the upper cover 220 through the heater part 250 formed at the bottom of the upper cover 220 of the housing 210, and at this time, the discharge port 280 ), the steam immediately before being discharged is reheated by colliding with the heater unit 250 heated to a certain temperature or higher, and the air containing hydrogen peroxide vapor is discharged to the outside along the discharge port 280.

The hydrogen peroxide steam sterilization system according to an embodiment can prevent the risk of fire due to high heat of the vaporizer and provide a stable liquid vaporization structure by forming a vaporizer configuration that generates hydrogen peroxide vapor gas into a sealed housing structure. The faulty part can be easily repaired without replacement.

Although described above with reference to a preferred embodiment of the present application, those skilled in the art will variously modify and change the present application within the scope not departing from the spirit and scope of the present application described in the following claims. You will understand that you can do it.

100: hydrogen peroxide steam sterilization system
110: sterilization chamber
120: suction pipe
130: infusion tube
140: circulation fan
150: divider
160: steam decontamination device 161: catalyst unit
163: dehumidification unit 165: filter unit
170: steam generator 171: vaporization unit
173: hydrogen peroxide supply unit 175: heater unit
210: housing 220: top cover
230: lower cover 240: vaporization unit
250: heater unit 260: inlet
270: supply pipe 280: discharge port

Claims (8)

A sterilization chamber in which the object to be sterilized is loaded;
A suction pipe coupled to one side of the sterilization chamber to suck air containing sterilized gas, which has been sterilized in the sterilization chamber;
An injection tube coupled to the other side of the sterilization chamber to inject air containing sterilization gas into the sterilization chamber;
A circulation fan connected to one side of the suction pipe to suck air in the sterilization chamber;
A distributor installed at a rear end of the circulation fan to branch the circulation of air supplied from the suction pipe in multiple directions;
A steam decontamination device having one side connected to the distributor to decompose hydrogen peroxide contained in the air supplied to the suction pipe and resupply into the sterilization chamber; And
One side is connected to the distributor to supply hydrogen peroxide to the air supplied to the suction pipe and includes a steam generating device for supplying hydrogen peroxide vapor generated by vaporizing into the sterilization chamber,
The steam generating device
A hydrogen peroxide steam sterilization system comprising a housing in an inner space containing a vaporization part for generating hydrogen peroxide vapor by mixing the air branched from the distributor to the other side of the distributor and vaporizing it in the air.
The method of claim 1, wherein the steam generating device
housing;
A cover that is detachably fastened to the upper and lower portions of the housing to seal the housing;
A suction port connected to the cover of the lower part of the housing to suck air supplied from the suction pipe into the housing;
A supply pipe connected to the cover of the upper portion of the housing to supply the hydrogen peroxide solution into the housing;
A vaporization unit mounted inside the housing to mix the air sucked through the inlet and the hydrogen peroxide solution supplied through the supply pipe and convert it into a gas vapor state at a certain temperature point; And
Hydrogen peroxide steam sterilization system, characterized in that it comprises a discharge port connected to the upper cover of the housing to discharge the gas stream converted to the hydrogen peroxide vapor gas state.
The method of claim 2, wherein the steam generating device
Hydrogen peroxide steam sterilization system, characterized in that it further comprises a heater for ejecting the vapor gas state by maintaining the gas state of the hydrogen peroxide solution is changed to vapor gas at a constant temperature through the vaporization unit.
The method of claim 3, wherein the heater unit
Hydrogen peroxide steam sterilization system, characterized in that it is installed at the initial inlet of the discharge port to reheat the hydrogen peroxide vapor generated in the interior space of the housing before being discharged.
The method of claim 2, wherein the cover
Hydrogen peroxide steam sterilization system, characterized in that the clamp is fastened to the housing detachably.
The method of claim 2, wherein the steam generating device
Hydrogen peroxide steam sterilization system, characterized in that it further comprises a hydrogen peroxide supply unit for supplying a predetermined amount of the hydrogen peroxide solution to the supply pipe of the housing.
The method of claim 6, wherein the supply pipe
Hydrogen peroxide steam sterilization system, characterized in that it is installed close to the upper side of the vaporization part through the inside of the housing from the cover of the upper housing.
The method of claim 1, wherein the steam decontamination device
A catalyst part for decomposing the sucked hydrogen peroxide vapor;
A dehumidifying unit to remove water vapor due to decomposition of the hydrogen peroxide vapor; And
Hydrogen peroxide steam sterilization system, characterized in that it comprises a filter unit for filtering the by-product gas resulting from the decomposition of the hydrogen peroxide vapor.

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