CN220778746U - Vaporized hydrogen peroxide generator - Google Patents
Vaporized hydrogen peroxide generator Download PDFInfo
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- CN220778746U CN220778746U CN202322055566.1U CN202322055566U CN220778746U CN 220778746 U CN220778746 U CN 220778746U CN 202322055566 U CN202322055566 U CN 202322055566U CN 220778746 U CN220778746 U CN 220778746U
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- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 title claims abstract description 194
- 230000008016 vaporization Effects 0.000 claims abstract description 90
- 238000009834 vaporization Methods 0.000 claims abstract description 72
- 230000001954 sterilising effect Effects 0.000 claims abstract description 67
- 239000007788 liquid Substances 0.000 claims abstract description 59
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 33
- 238000000889 atomisation Methods 0.000 claims abstract description 20
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 17
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 24
- 238000000354 decomposition reaction Methods 0.000 claims description 8
- 238000007791 dehumidification Methods 0.000 claims description 7
- 238000010992 reflux Methods 0.000 claims description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 239000007921 spray Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005303 weighing Methods 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- 241001052560 Thallis Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000975 bioactive effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002632 lipids Chemical class 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Abstract
The utility model discloses a vaporization hydrogen peroxide generator, which belongs to the technical field of motor control and comprises: the device comprises a machine body, a vaporization generating unit, a sterilizing unit and a conveying pipeline, wherein the vaporization generating unit is arranged in the machine body and used for vaporizing hydrogen peroxide liquid, the sterilizing unit is used for connecting a container to be sterilized, and the conveying pipeline is used for connecting the vaporization generating unit and the sterilizing unit; the vaporization generating unit comprises an air compressor, a peristaltic pump, a vaporization cavity and a fan, an atomization nozzle is arranged in the vaporization cavity, the atomization nozzle is provided with a liquid inlet and a gas inlet, the liquid inlet is connected with the peristaltic pump, the gas inlet is connected with the air compressor, and the atomization nozzle is used for spraying hydrogen peroxide liquid; the air inlet end of the vaporization cavity is communicated with the fan, the air outlet end of the vaporization cavity is communicated with the sterilization unit, and the fan is used for conveying air into the vaporization cavity so as to accelerate the air flow in the vaporization cavity. The present application has the effect of reducing the air temperature rise caused by vaporization of the hydrogen peroxide solution.
Description
Technical Field
The utility model relates to the technical field of hydrogen peroxide generators, in particular to a vaporized hydrogen peroxide generator.
Background
The requirements of aseptic production on the closed space environment are very high, the aseptic production must be carried out in a high-level aseptic environment, and the closed space environment needs to be sterilized before the production work is carried out. There are many ways of sterilization, one of which is sterilization using vaporized hydrogen peroxide. The hydrogen peroxide generator firstly vaporizes the hydrogen peroxide solution to form gaseous hydrogen peroxide, and then the gaseous hydrogen peroxide is sprayed into the space environment for sterilization.
The existing hydrogen peroxide vaporization generator generally injects hydrogen peroxide solution onto the surface of an evaporator with a temperature higher than the boiling point of the hydrogen peroxide solution to quickly evaporate the hydrogen peroxide solution. The boiling point of the hydrogen peroxide solution increases with the increase of the concentration, and for example, the commonly used 35wt% hydrogen peroxide solution has a boiling point of about 105 ℃ to 110 ℃. Therefore, in order to flash the hydrogen peroxide solution, the evaporator in the existing hydrogen peroxide vaporizing device needs to be heated at least to 105 ℃. The vaporized hydrogen peroxide gas has a higher temperature, and the temperature of the hydrogen peroxide gas easily causes the temperature in the detection space to rise, and in some special test processes, such as biological tests, the change of the temperature is likely to cause the activity of microorganisms or thalli to change, so that the test result is adversely affected.
Disclosure of Invention
In order to reduce the air temperature rise caused by vaporization of the hydrogen peroxide solution, a vaporized hydrogen peroxide generator is provided.
A vaporized hydrogen peroxide generator comprises a machine body, a vaporization generating unit, a sterilizing unit and a conveying pipeline, wherein the vaporization generating unit is arranged in the machine body and used for vaporizing hydrogen peroxide liquid, the sterilizing unit is used for connecting a container to be sterilized, and the conveying pipeline is used for connecting the vaporization generating unit and the sterilizing unit;
the vaporization generating unit comprises an air compressor, a peristaltic pump, a vaporization cavity and a fan, wherein an atomization nozzle is arranged in the vaporization cavity, the atomization nozzle is provided with a liquid inlet and a gas inlet, the liquid inlet is connected with the peristaltic pump, the gas inlet is connected with the air compressor, and the atomization nozzle is used for spraying hydrogen peroxide liquid;
the air inlet end of the vaporization cavity is communicated with the fan, the air outlet end of the vaporization cavity is communicated with the sterilization unit, and the fan is used for conveying air into the vaporization cavity so as to accelerate the air flow in the vaporization cavity, so that the hydrogen peroxide spray formed by the atomizing nozzle is rapidly vaporized.
An air filter is arranged between the fan and the vaporization cavity; and a sterilizing filter is arranged between the air compressor and the atomizing nozzle.
The conveying pipeline comprises an atomization branch arranged between the sterilizing filter and the atomization nozzle and a dehumidification branch arranged between the sterilizing filter and the air filter;
the atomization branch is used for atomizing the hydrogen peroxide solution;
the dehumidification branch is used for reducing the air humidity in the air filter and the vaporization cavity.
An air source rotameter switch is arranged between the air compressor and the sterilization filter.
The vaporization generation unit further comprises a liquid storage tank for storing the hydrogen peroxide solution, and a weighing sensor is arranged below the liquid storage tank and used for detecting the weight of the liquid storage tank.
The conveying pipeline further comprises a liquid supply branch arranged between the liquid storage tank and the atomizing nozzle and a backflow branch arranged between the vaporization cavity and the liquid storage tank;
the peristaltic pump is arranged on the liquid supply branch path, and the liquid supply branch path is used for supplying hydrogen peroxide solution to the atomizing nozzle;
and the reflux branch is used for refluxing the hydrogen peroxide solution in the vaporization cavity into the liquid storage tank.
The vaporization chamber is far away from one end of the fan and is inclined downwards, and the liquid inlet of the reflux branch is positioned at the lowest position of the vaporization chamber.
The sterilization unit comprises a connecting position for connecting the container to be sterilized; the conveying pipeline is provided with a plurality of valves, each valve comprises a first manual valve and a second manual valve, and the first manual valve and the second manual valve are connected with a container to be sterilized.
The sterilization unit further comprises a sensor unit, wherein the sensor unit comprises a temperature sensor for detecting the temperature of air in the conveying pipeline, a humidity sensor for detecting the humidity of air in the conveying pipeline and a hydrogen peroxide concentration sensor for detecting the hydrogen peroxide content in air in the conveying pipeline.
One end of the sterilization unit, which is far away from the vaporization generation unit, is connected with a hydrogen peroxide decomposition unit, and the hydrogen peroxide decomposition unit is used for catalytically decomposing hydrogen peroxide gas in the air in the conveying pipeline into water and oxygen.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the temperature rise of the air caused by vaporization of the hydrogen peroxide solution is reduced.
Drawings
FIG. 1 is a schematic view of the structure of a fuselage in an embodiment of the present application;
FIG. 2 is a schematic illustration of the connection of various components within the fuselage in an embodiment of the present application.
Reference numerals illustrate:
1. a body; 2. a vaporization generation unit; 21. an air compressor; 22. a liquid storage tank; 23. a vaporization chamber; 24. an atomizing nozzle; 25. a sterilizing filter; 26. an air filter; 3. a sterilization unit; 31. a connection site; 32. a sensor unit; 4. and a hydrogen peroxide decomposing unit.
Detailed Description
The present application is described in further detail below in conjunction with fig. 1-2.
Embodiments of the present application disclose a vaporized hydrogen peroxide generator. Referring to fig. 1 and 2, the vaporized hydrogen peroxide generator includes a body 1, and a vaporization generating unit 2 disposed in the body 1 for vaporizing hydrogen peroxide liquid, a sterilizing unit 3 for connecting a container to be sterilized, and a transfer pipe for connecting the vaporization generating unit 2 and the sterilizing unit 3; the vaporization generating unit 2 and the sterilizing unit 3 are communicated through a conveying pipeline to form a complete sterilizing pipeline.
Referring to fig. 2, the vaporization generation unit 2 includes an air compressor 21, a liquid storage tank 22, a peristaltic pump M2, and a vaporization chamber 23; the air compressor 21 is used for generating compressed air, and the air compressor 21 can be built in the machine body 1 or outside; the liquid storage tank 22 is used for storing hydrogen peroxide liquid; peristaltic pump M2 is used to pump the hydrogen peroxide liquid into vaporization chamber 23. A sterilizing filter 25 is further provided between the air compressor 21 and the vaporizing chamber 23, and the sterilizing filter 25 is used for filtering the compressed air so that the compressed air fed into the vaporizing chamber 23 by the air compressor 21 is clean. An atomization nozzle 24 is arranged in the vaporization cavity 23, and the atomization nozzle 24 is provided with a liquid inlet and a gas inlet; the liquid inlet is connected with the peristaltic pump M2 and is used for receiving the hydrogen peroxide liquid led in by the peristaltic pump M2; the air inlet is connected with the air compressor 21 and is used for receiving clean compressed air input by the air compressor 21; the hydrogen peroxide liquid and the clean compressed air are mixed by the atomizing nozzle 24 to form a spray.
Referring to fig. 2, the vaporization generating unit 2 further includes a blower M1, an air inlet end of the vaporization chamber 23 is communicated with the blower M1 through a conveying pipe, the blower M1 is used for blowing indoor air into the vaporization chamber 23, and an air outlet end of the vaporization chamber 23 is communicated with the sterilizing unit 3 through a conveying pipe. The air flow speed is accelerated by the blower M1 to accelerate the vaporization of the atomized hydrogen peroxide into hydrogen peroxide gas and enter the sterilization unit 3 along the conveying direction of the conveying pipe road with the gas flow. The free hydroxyl groups in the hydrogen peroxide vapor act on cellular components (including bioactive components such as lipids, proteins, DNA, and the like) to kill microorganisms such as bacteria, fungi, viruses, spores, and the like in the space. An air filter 26 is further arranged between the fan M1 and the vaporization cavity 23 to filter out impurities and bacteria in the air, so that the purity of the air entering the vaporization cavity 23 is improved, and the air filter 26 is adopted in the embodiment of the utility model.
Referring to fig. 2, a hydrogen peroxide decomposition unit 4 is connected to an end of the sterilization unit 3 remote from the over-vaporization generation unit 2, and the hydrogen peroxide decomposition unit 4 is used to decompose the hydrogen peroxide gas passing through the sterilization unit 3 into water and oxygen. The sterilization unit 3 comprises a connecting position 31 for connecting a container to be sterilized and a sensor unit 32 for monitoring the temperature and the humidity of air in the conveying pipeline, wherein the sensor unit 32 comprises a temperature sensor, a humidity sensor and a hydrogen peroxide concentration sensor; the temperature sensor is used for detecting the temperature of air in the conveying pipeline, the humidity sensor is used for detecting the humidity of air in the conveying pipeline, and the hydrogen peroxide concentration sensor is used for detecting the hydrogen peroxide content in the air in the conveying pipeline. The delivery conduit is provided with a plurality of valves which are opened and closed in response to detection feedback from the sensor unit 32 at different stages in the sterilization process.
Referring to fig. 2, in order to facilitate the user to observe the operating state of the hydrogen peroxide generator, an air source rotameter switch SQP is provided between the air compressor 21 and the sterilization filter 25, and the user can observe the operating state of the air compressor 21 through the display of the air source rotameter switch SQP; a weighing sensor BW is arranged below the liquid storage tank 22, the weighing sensor BW is used for detecting the weight of the liquid storage tank 22, and a user can obtain the residual amount of the hydrogen peroxide solution in the liquid storage tank 22 through the weighing sensor BW. The valve further comprises a first electromagnetic valve YV1 and a first pressure regulating valve MP1 which are arranged between the air compressor 21 and the sterilizing filter 25, an air inlet electric ball valve YM1 which is arranged between the fan M1 and the air filter 26, and a second pressure regulating valve MP2 which is arranged between the air source rotameter switch SQP and the sterilizing filter 25. The first electromagnetic valve YV1 is used for controlling whether the air compressor 21 is communicated with the sterilizing filter 25, and the first pressure regulating valve MP1 is a total mechanical pressure regulating valve and is used for controlling the flow and the pressure of compressed air delivered by the air compressor 21 to the delivery pipeline; the intake electric ball valve YM1 is used for controlling the flow rate and pressure of indoor air entering the air filter 26; the second pressure regulating valve MP2 is used to control the flow rate of the compressed air through the air source rotameter switch SQP.
Referring to fig. 2, the hydrogen peroxide generator needs to dehumidify the air in the sterilization line before sterilizing the sterilizing container, so that the compressed air generated by the air compressor 21 needs to pass through the delivery pipe including the atomizing branch provided between the sterilizing filter 25 and the atomizing head 24 and the dehumidifying branch provided between the sterilizing filter 25 and the air filter 26 as much as possible and the vaporizing chamber 23 in order to secure the dehumidifying effect. The atomizing branch is used for atomizing the hydrogen peroxide solution and the dehumidifying branch is used for reducing the air humidity in the air filter 26 and the vaporizing chamber 23. The valve comprises a second electromagnetic valve YV2 arranged on the atomization branch and a third electromagnetic valve YV3 and a third pressure regulating valve MP3 arranged on the dehumidification branch, wherein the second electromagnetic valve YV2 is used for controlling whether the air compressor 21 is communicated with the atomization nozzle 24 or not; the third solenoid valve YV3 is used to control whether the air compressor 21 communicates with the air filter 26, and the third pressure regulating valve MP3 is used to control the flow rate and pressure of the clean air into the air filter 26. When the delivery pipe needs dehumidification, compressed air is made to pass through the air filter 26 and the vaporization chamber 23 by closing the second electromagnetic valve YV2, and when the hydrogen peroxide solution needs to be atomized, compressed air is made to enter the atomizer head 24 by closing the third electromagnetic valve YV 3.
Referring to fig. 2, since the partially atomized hydrogen peroxide is not vaporized and re-condensed into liquid by contact with the interior of vaporization chamber 23, the delivery conduit further includes a liquid supply branch disposed between liquid reservoir 22 and atomizer head 24 and a return branch disposed between vaporization chamber 23 and liquid reservoir 22; the peristaltic pump M2 is disposed on the liquid supply branch, and the liquid supply branch is used for supplying the hydrogen peroxide solution to the atomizer 24; the return branch is used for returning the hydrogen peroxide solution in the vaporizing chamber 23 to the liquid storage tank 22. The valve also comprises a fourth electromagnetic valve YV4 arranged between the liquid storage tank 22 and the peristaltic pump M2, and a fifth electromagnetic valve YV5 arranged on the return branch. The fourth electromagnetic valve YV4 is used for controlling whether the liquid storage tank 22 is communicated with the peristaltic pump M2; the fifth solenoid valve YV5 is used to control whether the reservoir 22 communicates with the vaporization chamber 23. And when the fifth electromagnetic valve YV5 is opened, residual hydrogen peroxide solution in the vaporizing chamber 23 flows back into the liquid storage tank 22 through the backflow branch. In order to facilitate the hydrogen peroxide solution in the vaporizing chamber 23 to flow back into the liquid storage tank 22, one end of the vaporizing chamber 23 far away from the fan M1 is arranged in a downward inclined manner, and the liquid inlet of the backflow branch is positioned at the lowest position of the vaporizing chamber 23.
Referring to fig. 2, the valve further includes a first manual valve F1 and a second manual valve F2 provided in the sterilization unit 3, and a connection position 31 for connecting a container to be sterilized is formed between the first manual valve F1 and the second manual valve F2, and both ends of the container to be sterilized are connected to the first manual valve F1 and the second manual valve F2, respectively. When the first manual valve F1 and the second manual valve F2 are opened, the container to be sterilized is communicated with the conveying pipeline, and when the first manual valve F1 and the second manual valve F2 are closed, the container to be sterilized is replaced, and the inside of the sterilizing pipeline is not contacted with the outside air. In this embodiment, the first manual valve F1 is connected to the air outlet end of the vaporization generating unit 2, and the second manual valve F2 is connected to the air inlet end of the hydrogen peroxide decomposing unit 4.
The sterilization workflow of the hydrogen peroxide generator comprises the following five stages:
a preparation stage of adding a sufficient amount of hydrogen peroxide solution to the reservoir 22; connecting a power supply to a hydrogen peroxide generator; the two ends of the container to be sterilized are respectively connected with a first manual valve F1 and a second manual valve F2, and the first manual valve F1 and the second manual valve F2 are opened.
Dehumidifying: the second electromagnetic valve YV2, the air inlet electric ball valve YM1, the fourth electromagnetic valve YV4 and the fifth electromagnetic valve YV5 are closed, other valves are all in an open state, and the air compressor 21 is started, so that the dry compressed air sequentially passes through the air source rotameter switch SQP, the sterilization filter 25, the air filter 26, the vaporization chamber 23, the container to be sterilized, the sensor unit 32 and the hydrogen peroxide decomposition unit 4 through the connection of the conveying pipeline, dehumidifies the sterilizing pipeline, and reduces the humidity in the conveying pipeline and the container to be sterilized to a required level.
And (3) adjusting a sterilization stage: after the air humidity in the conveying pipeline reaches the sterilization requirement through the sensor unit 32, on the basis of a dehumidification stage, the valve opens the second electromagnetic valve YV2, the fourth electromagnetic valve YV4 and the air inlet electric ball valve YM1, closes the third electromagnetic valve YV3 and the third pressure regulating valve MP3, and at the moment, the communication between the air compressor 21 and the air filter 26 is disconnected and communicated with the atomizing nozzle; simultaneously starting a peristaltic pump M2 and a fan M1, starting the peristaltic pump M2 to add medicine, and introducing hydrogen peroxide solution into an atomization nozzle 24 to be mixed and atomized with clean compressed air; the indoor air is purified by the air filter 26 under the drive of the fan M1, enters the vaporizing chamber 23 along the conveying pipeline, and converts atomized hydrogen peroxide into hydrogen peroxide gas by vaporization through air flow. With the continuous operation of the hydrogen peroxide generator, the concentration of hydrogen peroxide in the air in the sterilization pipeline is rapidly increased, and the hydrogen peroxide enters a sterilization stage after the concentration sensor monitors that the expired concentration reaches the preset concentration; in the stage, the dosage of the hydrogen peroxide solution is reduced by adjusting the peristaltic pump M2, the dosing rate of the peristaltic pump M2 is adjusted by monitoring the hydrogen peroxide concentration sensor in a feedback manner, the concentration of hydrogen peroxide in a sterilizing pipeline is maintained, the container to be sterilized is sterilized, and false positive or false negative caused by too low or high hydrogen peroxide concentration in the sterilizing process can be effectively avoided by adjusting the concentration of the hydrogen peroxide. The hydrogen peroxide gas flowing through the container to be sterilized is decomposed into water and oxygen by the hydrogen peroxide decomposition unit 4 and discharged into the indoor air. After the sterilization time has arrived, the sterilization phase is ended.
Residue removal stage: after sterilization is finished, the fifth electromagnetic valve YV5 is firstly opened, so that residual hydrogen peroxide liquid in the vaporization cavity 23 flows back into the liquid storage tank 22, and after the hydrogen peroxide solution in the vaporization cavity 23 is discharged. The fourth electromagnetic valve YV4 and the peristaltic pump M2 are closed, the injection of the hydrogen peroxide solution is stopped, at the moment, the fan M1 filters indoor air through the air filter 26 and brings the indoor air into the conveying pipeline and the sterilizing unit 3, hydrogen peroxide gas in the air is loaded into the hydrogen peroxide decomposing unit 4 to be decomposed into water and oxygen, and when the hydrogen peroxide concentration sensor detects that the concentration of the peroxide in the conveying pipeline is reduced to be within a safe concentration range, the residual discharge is finished.
Production operation stage: the first manual valve F1 and the second manual valve F2 are closed, the sterilized container to be sterilized is detached, and then a new container to be sterilized is connected with the first manual valve F1 and the second manual valve F2 so as to prepare for the next sterilization operation.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (10)
1. A vaporized hydrogen peroxide generator, characterized by: comprises a machine body (1), a vaporization generation unit (2) arranged in the machine body (1) and used for vaporizing hydrogen peroxide liquid, a sterilization unit (3) used for connecting a container to be sterilized and a conveying pipeline used for connecting the vaporization generation unit (2) and the sterilization unit (3);
the vaporization generation unit (2) comprises an air compressor (21), a peristaltic pump, a vaporization cavity (23) and a fan, wherein an atomization nozzle (24) is arranged in the vaporization cavity (23), the atomization nozzle (24) is provided with a liquid inlet and a gas inlet, the liquid inlet is connected with the peristaltic pump, the gas inlet is connected with the air compressor (21), and the atomization nozzle (24) is used for spraying and spraying hydrogen peroxide liquid;
the air inlet end of the vaporizing cavity (23) is communicated with the fan, the air outlet end of the vaporizing cavity (23) is communicated with the sterilizing unit (3), and the fan is used for conveying air into the vaporizing cavity (23) so as to accelerate air flow in the vaporizing cavity (23), so that hydrogen peroxide spray formed by the atomizing nozzle (24) is rapidly vaporized.
2. A vaporized hydrogen peroxide generator according to claim 1, wherein: an air filter (26) is arranged between the fan and the vaporization cavity (23); a sterilizing filter (25) is arranged between the air compressor (21) and the atomizing nozzle (24).
3. A vaporized hydrogen peroxide generator according to claim 2, wherein: the conveying pipeline comprises an atomization branch arranged between the sterilizing filter (25) and the atomization nozzle (24), and a dehumidification branch arranged between the sterilizing filter (25) and the air filter (26);
the atomization branch is used for atomizing the hydrogen peroxide solution;
the dehumidification branch is used for reducing the air humidity in the air filter (26) and the vaporization cavity (23).
4. A vaporized hydrogen peroxide generator according to claim 2, wherein: an air source rotameter switch is arranged between the air compressor (21) and the sterilizing filter (25).
5. A vaporized hydrogen peroxide generator according to claim 1, wherein: the vaporization generation unit (2) further comprises a liquid storage tank (22) for storing the hydrogen peroxide solution, and a load cell is arranged below the liquid storage tank (22) and used for detecting the weight of the liquid storage tank (22).
6. The vaporized hydrogen peroxide generator of claim 5, wherein: the conveying pipeline further comprises a liquid supply branch arranged between the liquid storage tank (22) and the atomizing nozzle (24) and a reflux branch arranged between the vaporization cavity (23) and the liquid storage tank (22);
the peristaltic pump is arranged on the liquid supply branch path, and the liquid supply branch path is used for supplying hydrogen peroxide solution to the atomizing nozzle (24);
the reflux branch is used for refluxing the hydrogen peroxide solution in the vaporization cavity (23) to the liquid storage tank (22).
7. The vaporized hydrogen peroxide generator of claim 6, wherein: one end of the vaporization cavity (23) far away from the fan is inclined downwards, and a liquid inlet of the backflow branch is positioned at the lowest position of the vaporization cavity (23).
8. A vaporized hydrogen peroxide generator according to claim 1, wherein: the sterilization unit (3) comprises a connection site (31) for connecting a container to be sterilized; the conveying pipeline is provided with a plurality of valves, each valve comprises a first manual valve and a second manual valve, and the first manual valve and the second manual valve are connected with a container to be sterilized.
9. The vaporized hydrogen peroxide generator of claim 8, wherein: the sterilization unit (3) further comprises a sensor unit (32), wherein the sensor unit (32) comprises a temperature sensor for detecting the temperature of the air in the conveying pipeline, a humidity sensor for detecting the humidity of the air in the conveying pipeline and a hydrogen peroxide concentration sensor for detecting the hydrogen peroxide content in the air in the conveying pipeline.
10. A vaporized hydrogen peroxide generator according to claim 1, wherein: one end of the sterilization unit (3) far away from the vaporization generation unit (2) is connected with a hydrogen peroxide decomposition unit (4), and the hydrogen peroxide decomposition unit (4) is used for catalytically decomposing hydrogen peroxide gas in the air in the conveying pipeline into water and oxygen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322055566.1U CN220778746U (en) | 2023-08-01 | 2023-08-01 | Vaporized hydrogen peroxide generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322055566.1U CN220778746U (en) | 2023-08-01 | 2023-08-01 | Vaporized hydrogen peroxide generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220778746U true CN220778746U (en) | 2024-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322055566.1U Active CN220778746U (en) | 2023-08-01 | 2023-08-01 | Vaporized hydrogen peroxide generator |
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| Country | Link |
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| CN (1) | CN220778746U (en) |
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- 2023-08-01 CN CN202322055566.1U patent/CN220778746U/en active Active
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