Exhaust device of vaporized hydrogen peroxide disinfection space

Abstract

The utility model discloses an exhaust device of a vaporized hydrogen peroxide disinfection space, which relates to the technical field of exhaust disinfection and comprises a shell, a filtering module, a catalyzing module and a driving module, a purification cavity is formed in the shell, an air inlet and an air outlet which are communicated with the purification cavity are formed in the shell, and the air inlet is used for being communicated with the disinfection space; the filtering module is arranged in the purifying cavity, is arranged between the air inlet and the air outlet, and is used for filtering air flow introduced from the air inlet; the catalysis module and the filtering module are arranged in the purification cavity side by side in the airflow direction and are used for decomposing airflow introduced from the air inlet; the driving module is arranged in the purification cavity, and the driving module can drive the air inlet to introduce air flow and drive the air flow to pass through the filtering module and the catalysis module so as to be exhausted through the exhaust port. The exhaust device of the vaporized hydrogen peroxide disinfection space, provided by the utility model, can be used for purifying gas residues after VHP disinfection in the disinfection space, so that the disinfection space can meet the use requirements as soon as possible.

Description

TECHNICAL FIELD

[0001] The utility model relates to an exhaust device of hydrogen peroxide vapor disinfection space, and particularly relates to an exhaust device of hydrogen peroxide vapor disinfection space. BACKGROUND

[0002] Hydrogen peroxide vapor (VHP) is a strong oxidant, and the hydroxyl radical decomposed by the hydrogen peroxide vapor can penetrate and destroy the cell wall and cell membrane of microorganisms, and the destruction of all components in the cell of the microorganisms is irreversible, so the sterilization is considered as an ideal sterilization mode, the killing rate of the VHP to thermophilic bacillus is more than 6-log, and the thoroughness of the sterilization is ensured, and the hydrogen peroxide disinfectant is widely used in actual production due to high sterilization efficiency. SUMMARY

[0003] The utility model discloses an exhaust device of hydrogen peroxide vapor disinfection space, and particularly relates to an exhaust device of hydrogen peroxide vapor disinfection space.

[0004] To achieve the above object, the utility model provides the following scheme:

[0005] The utility model provides an exhaust device of hydrogen peroxide vapor disinfection space, including casing, filter module, catalytic module and drive module, the casing has the purification cavity in, and the casing has the air inlet and the exhaust port that communicate the purification cavity, the air inlet is used for connecting the disinfection space, filter module sets up in the purification cavity and places between the air inlet and the exhaust port, is used for filtering the airflow that the air inlet enters, catalytic module sets up in the purification cavity with filter module along the airflow direction side by side, is used for the airflow that the air inlet enters is decomposed, drive module sets up in the purification cavity, the drive module can drive the airflow that the air inlet enters, and drives the airflow to pass through filter module and catalytic module to export through the exhaust port.

[0006] Preferably, the air inlet and the exhaust port are arranged on the opposite two side walls of the casing, and the filter module, the catalytic module and the drive module are sequentially arranged in the purification cavity along the airflow direction, and the drive module is communicated with the exhaust port.

[0007] Preferably, a transition cavity is further arranged between the air inlet and the filter module, one end of the transition cavity is communicated with the air inlet and has a small opening, and the other end of the transition cavity is opposite to the filter module and has a large opening, and the cross-sectional size of the small opening gradually increases to the large opening.

[0008] Preferably, the filter module comprises a filter and a flow guide net plate, the filter is circumferentially and sealingly connected to the inner wall of the purification cavity, and the flow guide net plate is arranged on the side of the filter close to the air inlet; the flow guide net plate is used for guiding the airflow to the side of the filter facing the air inlet, and the filter is used for filtering the airflow.

[0009] Preferably, the catalytic module comprises a support frame and a catalyst arranged in the support frame, the support frame is circumferentially and sealingly connected to the inner wall of the purification cavity, and the catalyst is used for decomposing the airflow.

[0010] Preferably, the support frame is arranged as a mesh frame, and the mesh frame has a plurality of mesh holes capable of placing the catalyst.

[0011] Preferably, the driving module is arranged as a fan, and the fan is used for driving the airflow to flow in the purification cavity.

[0012] Preferably, a control module is further arranged, which is in communication connection with the driving module and capable of controlling the action of the driving module.

[0013] Preferably, the filter module, the catalytic module and the driving module are all arranged in the purification cavity in a detachable manner.

[0014] Preferably, the shell comprises a first half shell and a second half shell which are detachably connected, and the first half shell and the second half shell can be connected to enclose the purification cavity.

[0015] The utility model discloses the following technical effects are obtained relative to the prior art:

[0016] The exhaust device of the hydrogen peroxide vaporization disinfection space provided by the utility model under the driving of the driving module passes the harmful gas such as residual hydrogen peroxide vaporization in the disinfection space into the purification cavity through the air inlet of the shell, the airflow is filtered through the filter module, and the harmful gas is decomposed and purified through the catalytic module, so that the gas residual purification efficiency after VHP disinfection in the disinfection space can be improved, so that the disinfection space can meet the use demand as soon as possible. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 The isometric view of the exhaust device for the hydrogen peroxide vapor disinfection space provided in Embodiment 1 is shown.

[0019] Figure 2 The sectional view of the exhaust device for the hydrogen peroxide vapor disinfection space provided in Embodiment 1 is shown.

[0020] Figure 3 The internal schematic view of the exhaust device for the hydrogen peroxide vapor disinfection space provided in Embodiment 1 is shown.

[0021] Figure 4 The schematic view of the airflow direction in the exhaust device for the hydrogen peroxide vapor disinfection space provided in Embodiment 1 is shown.

[0022] In the figure: 1 - the exhaust device for the hydrogen peroxide vapor disinfection space; 10 - the shell; 11 - the purification cavity; 12 - the air inlet; 13 - the air outlet; 14 - the transition cavity; 15 - the first half shell; 16 - the first half shell; 20 - the filter module; 21 - the filter element; 22 - the flow guide net plate; 30 - the catalytic module; 31 - the support frame; 40 - the driving module. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0024] The purpose of the present application is to provide an exhaust device for a hydrogen peroxide vapor disinfection space, so as to solve the problems in the prior art and purify the residual gas after VHP disinfection in the disinfection space, so that the disinfection space can meet the use requirements as soon as possible.

[0025] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0026] Embodiment 1

[0027] The embodiment provides a ventilation device 1 for vaporized hydrogen peroxide sterilization space, please refer to Figures 1-4 , comprising a shell 10, a filter module 20, a catalytic module 30 and a driving module 40; the shell 10 has a purification cavity 11 in the shell 10, and the shell 10 has an air inlet 12 and an air outlet 13 communicating with the purification cavity 11, the air inlet 12 is used for communicating with the sterilization space; the filter module 20 is arranged in the purification cavity 11 and is arranged between the air inlet 12 and the air outlet 13, and is used for filtering the airflow entering the air inlet 12; the catalytic module 30 and the filter module 20 are arranged in the purification cavity 11 in parallel along the airflow direction, and are used for decomposing the airflow entering the air inlet 12; the driving module 40 is arranged in the purification cavity 11, and the driving module 40 can drive the airflow entering the air inlet 12 and drive the airflow to pass through the filter module 20 and the catalytic module 30, so as to be discharged through the air outlet 13.

[0028] Under the driving of the driving module 40, the residual vaporized hydrogen peroxide and other harmful gases to human body in the sterilization space are introduced into the purification cavity 11 through the air inlet 12 of the shell 10, the airflow passes through the filter module 20 for impurity filtering and passes through the catalytic module 30 for decomposition, so that the harmful gases are decomposed and purified, and are discharged through the air outlet 13, so that the gas residual purification efficiency in the sterilization space after VHP sterilization can be improved, so that the sterilization space can meet the use requirement as soon as possible, and the discharged gas can be discharged into the sterilization space again or discharged to the outside.

[0029] In the optional scheme of the embodiment, preferably, please refer to Figure 2 and Figure 3 , the air inlet 12 and the air outlet 13 are arranged on the opposite two side walls of the shell 10, and the filter module 20, the catalytic module 30 and the driving module 40 are sequentially arranged in the purification cavity 11 along the airflow direction, and the driving module 40 communicates with the air outlet 13; the driving module 40 continuously drives the airflow to enter from the air inlet 12, first passes through the filter module 20 to filter the impurities, avoids that the impurities block the catalytic module 30, and then passes through the catalytic module 30 to catalytically decompose the residual vaporized hydrogen peroxide and the like, so as to realize airflow purification, as shown in Figure 4 , the arrow is the airflow direction.

[0030] In the optional scheme of the embodiment, preferably, the ventilation device 1 for vaporized hydrogen peroxide sterilization space provided by the embodiment further comprises a transition cavity 14 arranged between the air inlet 12 and the filter module 20, one end of the transition cavity 14 is a small opening end and communicates with the air inlet 12, the other end is a large opening end and is opposite to the filter module 20, and the cross-sectional size gradually increases from the small opening end to the large opening end; specifically, the area of the large opening end can be consistent with the windward area of the filter module 20, so that the airflow entering the air inlet 12 can be depressurized and fully flow through the windward surface of the filter module 20 by arranging the transition cavity 14, and the filtering efficiency is improved.

[0031] In the optional scheme of this embodiment, it is more preferred that the filter module 20 includes a filter element 21 and a guide mesh 22. The filter element 21 is circumferentially sealed and connected to the inner wall of the purification chamber 11 to prevent the airflow from escaping from the circumferential gap. The guide mesh 22 is arranged on the side of the filter element 21 close to the air inlet 12; the guide mesh 22 is used to guide the airflow to the side of the filter element 21 facing the air inlet 12, and the filter element 21 is used to filter the airflow; by setting the guide mesh 22, the airflow flowing into the air inlet 12 is evenly diffused to the windward surface of the filter element 21, ensuring high-efficiency filtration and purification, wherein the filter element 21 is set as a high-efficiency filter; a sealing ring can be set between the circumference of the high-efficiency filter and the inner wall of the purification chamber 11, and the guide mesh 22 is embedded in a circumferential compression frame, and the circumferential compression frame is fixedly pressed on the circumferential sealing strip on one side of the high-efficiency filter to prevent the airflow from escaping from the gap.

[0032] In the optional scheme of this embodiment, it is more preferred that the catalytic module 30 includes a support frame 31 and a catalyst arranged in the support frame 31, the support frame 31 is circumferentially sealed and connected to the inner wall of the purification chamber 11, and the catalyst is used to decompose the airflow; wherein a sealing ring can also be provided circumferentially of the support frame 31 for sealing, and the airflow reacts with the catalyst through the support frame 31 to decompose the airflow.

[0033] In the optional scheme of this embodiment, it is more preferred that the support frame 31 is set as a mesh frame, and the mesh frame has a plurality of mesh holes for placing catalysts; the mesh cavity of the support frame 31 is divided into multiple groups of small independent rectangular frame grid structures by partitions, and a "field" grid structure is adopted for distribution. A catalyst with a foam nickel carrier is embedded in each small grid, and a front-to-back multi-layer side-by-side structure is adopted for laying, which can fully catalyze hydrogen peroxide gas. The role of the front-end high-efficiency filter makes the airflow of the air inlet 12 uniform to a certain extent, so that the catalyst of each grid can play a catalytic role.

[0034] In the optional solution of this embodiment, it is more preferred that the driving module 40 is configured as a fan, and the fan is used to drive the air flow to flow in the purification chamber 11 to promote the air flow efficiency.

[0035] Among the optional solutions of this embodiment, it is more preferred that the exhaust device 1 for the vaporized hydrogen peroxide disinfection space provided in this embodiment also includes a control module, which is communicated with the drive module 40 and can control the action of the drive module 40, wherein the control module is configured as a control switch of the drive module 40, i.e., the fan, so as to turn on the fan as needed.

[0036] In the optional solutions of this embodiment, it is more preferred that the filter module 20, the catalytic module 30 and the drive module 40 are all detachably arranged in the purification chamber 11; they are easy to install and disassemble, specifically, they can be installed by means of inlaying or bolt connection.

[0037] In an optional solution of the embodiment, preferably, the shell 10 comprises a first half shell 15 and a second half shell 16 which are detachably connected, the first half shell 15 and the second half shell 16 are connected and enclose the purification cavity 11, wherein the first half shell 15 and the second half shell 16 are arranged along the airflow direction, the air inlet 12 and the transition cavity 14 are arranged on the first half shell 15, the air outlet 13, the filter module 20, the catalytic module 30 and the driving module 40 are arranged on the second half shell 16, and the first half shell 15 and the second half shell 16 are matched through the bolt or the plug-in mode, so that the circumferential compression frame where the flow guide net plate 22 is located is fixedly compressed to the circumferential sealing strip on one side of the high-efficiency filter.

[0038] The principle and implementation mode of the specific examples are applied in the utility model, and the above embodiment is only used for helping to understand the method and core idea of the utility model; meanwhile, for the general technical personnel in the field, the specific implementation mode and application range will be changed according to the idea of the utility model. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. An exhaust apparatus for vaporizing hydrogen peroxide to disinfect a space, characterized by: The application relates to a sterilization device, which comprises the following parts: a shell (10) with a sterilization cavity (11) in the shell (10), an air inlet (12) and an air outlet (13) on the shell (10) and communicating with the sterilization cavity (11), the air inlet (12) being used for communicating with a sterilization space; a filter module (20) arranged in the sterilization cavity (11) and located between the air inlet (12) and the air outlet (13), and used for filtering air flowing into the air inlet (12); a catalysis module (30) arranged in the sterilization cavity (11) and located side by side with the filter module (20) along the air flow direction, and used for decomposing the air flowing into the air inlet (12); and a driving module (40) arranged in the sterilization cavity (11), the driving module (40) being capable of driving the air flowing into the air inlet (12) and driving the air to flow through the filter module (20) and the catalysis module (30) so as to be discharged through the air outlet (13).

2. An exhaust apparatus for disinfecting a space with vaporized hydrogen peroxide as set forth in claim 1, characterized by: The air inlet (12) and the air outlet (13) are arranged on opposite side walls of the shell (10), and the filter module (20), the catalysis module (30) and the driving module (40) are sequentially arranged in the sterilization cavity (11) along the air flow direction, and the driving module (40) communicates with the air outlet (13).

3. The exhaust apparatus for disinfecting a space with vaporized hydrogen peroxide of claim 1, wherein: A transition cavity (14) is further arranged between the air inlet (12) and the filter module (20), one end of the transition cavity (14) is a small opening end and communicates with the air inlet (12), the other end is a large opening end and is opposite to the filter module (20), and the cross-sectional size gradually increases from the small opening end to the large opening end.

4. The exhaust apparatus for disinfecting a space with vaporized hydrogen peroxide of claim 1, wherein: The filter module (20) comprises a filter piece (21) and a flow guide net plate (22), the filter piece (21) is circumferentially and sealingly connected to the inner wall of the sterilization cavity (11), and the flow guide net plate (22) is arranged on one side of the filter piece (21) close to the air inlet (12); the flow guide net plate (22) is used for guiding the air flow to the side of the filter piece (21) facing the air inlet (12), and the filter piece (21) is used for filtering the air flow.

5. The exhaust apparatus for disinfecting a space with vaporized hydrogen peroxide of claim 1, wherein: The catalysis module (30) comprises a support frame (31) and a catalyst arranged in the support frame (31), the support frame (31) is circumferentially and sealingly connected to the inner wall of the sterilization cavity (11), and the catalyst is used for decomposing the air flow.

6. An exhaust apparatus for disinfecting a space with vaporized hydrogen peroxide as defined in claim 5, wherein: The support frame (31) is arranged as a net frame, and the net frame has a plurality of net holes capable of placing the catalyst.

7. The exhaust apparatus for disinfecting a space with vaporized hydrogen peroxide of claim 1, wherein: The driving module (40) is arranged as a fan, and the fan is used for driving the air flow in the sterilization cavity (11).

8. The exhaust apparatus for disinfecting a space with vaporized hydrogen peroxide of claim 1, wherein: A control module is further arranged, which is in communication connection with the driving module (40) and capable of controlling the action of the driving module (40).

9. The exhaust apparatus for disinfecting a space with vaporized hydrogen peroxide of claim 1, wherein: The filter module (20), the catalysis module (30) and the driving module (40) are all arranged in the sterilization cavity (11) in a detachable mode.

10. The exhaust apparatus for disinfecting a space with vaporized hydrogen peroxide of claim 1, wherein: The casing (10) comprises a first half-casing (15) and a second half-casing (16) which are removably connected, the first half-casing (15) and the second half-casing (16) being connectable and enclosing the purification chamber (11).

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