CN213251579U - Hydrogen peroxide sterilization device for isolator - Google Patents
Hydrogen peroxide sterilization device for isolator Download PDFInfo
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- CN213251579U CN213251579U CN202021876676.4U CN202021876676U CN213251579U CN 213251579 U CN213251579 U CN 213251579U CN 202021876676 U CN202021876676 U CN 202021876676U CN 213251579 U CN213251579 U CN 213251579U
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- hydrogen peroxide
- isolator
- static pressure
- pressure box
- conveying device
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Abstract
A hydrogen peroxide sterilization device for an isolator belongs to the technical field of sterilization equipment for isolators. The method is characterized in that: the device comprises an isolator static pressure box (2), a flash evaporation assembly (14) arranged in the isolator static pressure box (2) and a hydrogen peroxide conveying device, wherein the isolator static pressure box (2) is arranged in an isolator main body, a liquid outlet of the hydrogen peroxide conveying device is communicated with the static pressure box (2) and conveys hydrogen peroxide to the position above the flash evaporation assembly (14), and the isolator static pressure box (2) is communicated with an isolator operating area (1) of the isolator main body. This hydrogen peroxide sterilization apparatus for isolator shifts the isolator static pressure incasement with hydrogen peroxide atomization evaporation process, and hydrogen peroxide is in the inside vaporization of isolator, does not have the phenomenon of the condensation that pipeline transport vaporization hydrogen peroxide caused, makes the interior hydrogen peroxide concentration of isolator main part improve soon, and sterilization effect is good.
Description
Technical Field
A hydrogen peroxide sterilization device for an isolator belongs to the technical field of sterilization equipment for isolators.
Background
The isolator sterilization mode of present mainstream is the hydrogen peroxide sterilization that vaporizes, and the hydrogen peroxide sterilization apparatus that vaporizes for the isolator is external outside the isolator usually, and the volume ratio is bigger, links to each other through pipeline and isolator, and it is great with the isolator integration degree of difficulty, and current sterilization apparatus has following problem in the use: 1) the hydrogen peroxide solution is directly dripped on a heating plate for evaporation and vaporization, so that the temperature of the hydrogen peroxide is slowly increased, and the evaporation effect is poor; 2) the sterilization apparatus is external, need send vaporized hydrogen peroxide into the isolator through solitary fan in, hydrogen peroxide concentration rises slowly in the isolator, and the sterilization effect is poor to the phenomenon of hydrogen peroxide steam condensation can appear in the transportation process. In summary, there is a need for a hydrogen peroxide sterilization device that is compact in size, capable of transmitting hydrogen peroxide sterilization gas over long distances, and convenient to integrate with an isolator.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the hydrogen peroxide sterilization device for the isolator overcomes the defects of the prior art, and provides the hydrogen peroxide sterilization device for the isolator, which ensures that hydrogen peroxide steam directly enters the isolator main body, the concentration of hydrogen peroxide in the isolator rises quickly, and the sterilization effect is good.
The utility model provides a technical scheme that its technical problem adopted is: this hydrogen peroxide sterilization apparatus for isolator, its characterized in that: the flash evaporation device comprises an isolator static pressure box, a flash evaporation assembly and a hydrogen peroxide conveying device, wherein the flash evaporation assembly and the hydrogen peroxide conveying device are arranged in the isolator static pressure box, the isolator static pressure box is arranged in an isolator main body, a liquid outlet of the hydrogen peroxide conveying device is communicated with the static pressure box and conveys hydrogen peroxide to the position above the flash evaporation assembly, and the isolator static pressure box is communicated with an isolator operating area of the isolator main body.
Preferably, the hydrogen peroxide conveying device comprises a peristaltic pump and a metering device, a container for containing hydrogen peroxide is arranged on the metering device, a liquid inlet of the peristaltic pump is communicated with the container, and a liquid outlet of the peristaltic pump is communicated with the static pressure box. Metering device can measure hydrogen peroxide, conveniently controls the quantity of hydrogen peroxide, and hydrogen peroxide passes through the peristaltic pump and delivers, conveniently controls the hydrogen peroxide velocity of flow.
Preferably, the flash evaporation assembly comprises an evaporation tray and a heater, and the evaporation tray is arranged on the upper side of the heater.
Preferably, the middle part of the evaporation disc is concave to form a flash evaporation part. The middle part of the evaporation disc is concave, so that hydrogen peroxide entering the static pressure box of the separator can be conveniently collected, and the flash evaporation area is increased.
Preferably, the device further comprises an atomization device, and the hydrogen peroxide delivery device is communicated with the static pressure box of the isolator through the atomization device. The hydrogen peroxide enters the static pressure box of the isolator after being atomized by the atomizing device and is flashed into hydrogen peroxide steam by the flash evaporation assembly, the temperature of the hydrogen peroxide rises quickly, and the evaporation effect is good.
Preferably, the atomization device comprises an atomization spray head, the atomization spray head is arranged right above the flash evaporation assembly, and a liquid outlet of the hydrogen peroxide conveying device is connected with the atomization spray head.
Preferably, the device also comprises a compressed gas conveying device, and an air outlet of the compressed gas conveying device is connected with the atomizing device.
Preferably, the compressed air conveying device comprises a compressed air inlet pipe, a pressure reducing valve and a throttle valve, and the compressed air inlet pipe is connected with the atomizing device after being sequentially connected with the pressure reducing valve and the throttle valve. The pressure reducing valve keeps the pressure of the compressed air stable, the flow of the compressed air can be ensured to be stable by the throttle valve, and then the hydrogen peroxide water mist sprayed by the atomizing nozzle is uniform and stable.
Preferably, the compressed air delivery device further comprises a sterilizing filter arranged between the pressure reducing valve and the throttle valve. The sterilizing filter can remove microorganisms and impurities in the compressed gas.
Preferably, the atomization device is communicated with the compressed gas delivery device and the hydrogen peroxide delivery device simultaneously through hoses. The atomizing nozzle is simultaneously connected with the compressed gas conveying device and the hydrogen peroxide conveying device through the hose, so that the compressed gas and the hydrogen peroxide are conveniently conveyed.
Compared with the prior art, the utility model discloses the beneficial effect who has is:
this hydrogen peroxide sterilization apparatus for isolator shifts the isolator static pressure incasement with hydrogen peroxide atomization evaporation process, and hydrogen peroxide is in the inside vaporization of isolator, does not have the phenomenon of the condensation that pipeline transport vaporization hydrogen peroxide caused, makes the interior hydrogen peroxide concentration of isolator main part improve soon, and sterilization effect is good.
Drawings
Fig. 1 is a schematic front view of a hydrogen peroxide sterilization apparatus for an isolator.
Fig. 2 is a perspective view of a flash vaporization assembly.
In the figure: 1. the device comprises an isolator operating area 2, an isolator static pressure box 3, a pressure reducing valve 4, a differential pressure transmitter 5, a sterilizing filter 6, a throttle valve 7, a valve 8, a three-way pipe 9, a peristaltic pump 10, a container 11, a scale 12, a hose 13, a compressed air inlet pipe 14, a flash evaporation assembly 15, a pneumatic valve 16, a temperature and humidity probe 17, a hydrogen peroxide concentration probe 18, a quick-connection plug 19, a conversion head 20, an atomizing nozzle 21, a mounting plate 22, an evaporation disc 23, a fixing plate 24, a heat insulation supporting leg 25, a temperature probe 26 and a heater.
Detailed Description
Fig. 1 to 2 are preferred embodiments of the present invention, and the present invention will be further explained with reference to fig. 1 to 2.
A hydrogen peroxide sterilization device for an isolator comprises an isolator static pressure box 2, a flash evaporation assembly 14 and a hydrogen peroxide conveying device, wherein the flash evaporation assembly 14 and the hydrogen peroxide conveying device are arranged in the isolator static pressure box 2, the isolator static pressure box 2 is arranged in an isolator main body, a liquid outlet of the hydrogen peroxide conveying device is communicated with the static pressure box 2 and conveys hydrogen peroxide to the position above the flash evaporation assembly 14, and the isolator static pressure box 2 is communicated with an isolator operating area 1 of the isolator main body. This hydrogen peroxide sterilization apparatus for isolator transfers hydrogen peroxide atomization evaporation process to isolator static pressure case 2 in, and hydrogen peroxide is in the inside vaporization of isolator, does not have the phenomenon of the condensation that pipeline transport vaporization hydrogen peroxide caused, makes the interior hydrogen peroxide concentration of isolator main part improve soon, and sterilization effect is good.
The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.
Specifically, the method comprises the following steps: as shown in fig. 1: an isolator plenum box 2 is provided in the isolator main body, and the isolator plenum box 2 is provided in an upper portion of the isolator main body, and an isolator operating area 1 is located on a lower side of the isolator plenum box 2. A temperature and humidity probe 16 and a hydrogen peroxide concentration probe 17 are arranged in the isolator main body, and the temperature and humidity probe 16 and the hydrogen peroxide concentration probe 17 are positioned on the lower side of the isolator static pressure box 2.
The hydrogen peroxide sterilization device for the isolator further comprises a compressed gas conveying device, an atomization device and a hose 12, wherein the input end of the hose 12 is communicated with the gas outlet end of the compressed gas conveying device and the liquid outlet end of the hydrogen peroxide conveying device, the output end of the hose 12 is communicated with the atomization device, and the atomization device is arranged right above the flash evaporation assembly 14. The compressed gas conveying device and the hydrogen peroxide conveying device are communicated with a hose 12 through a three-way pipe 8.
The compressed air conveying device comprises a compressed air inlet pipe 13, a pressure reducing valve 3, a sterilizing filter 5, a throttle valve 6 and a valve 7, wherein the air inlet end of the compressed air inlet pipe 13 is used for being connected with compressed air supply equipment, and the air outlet end of the compressed air inlet pipe 13 is communicated with one air inlet end of a three-way pipe 8. A valve 7 is arranged between the air outlet end of the compressed air inlet pipe 13 and the three-way pipe 8, and the valve 7 is an electromagnetic valve, so that the on-off of the compressed air can be conveniently controlled. The reducing valve 3 and the throttle valve 6 are sequentially arranged along the compressed air inlet pipe 13, the reducing valve 3 can enable the compressed air to keep stable pressure, and the throttle valve 6 can guarantee the pressure stability of the compressed air. The sterilizing filter 5 is provided in the compressed air intake pipe 13 between the pressure reducing valve 3 and the throttle valve 6, and the sterilizing filter 5 can remove microorganisms and impurities in the compressed air.
A pressure difference transmitter 4 is connected to a compressed air inlet pipe 13 between the pressure reducing valve 3 and the sterilizing filter 5, and the pressure difference transmitter 4 can detect the pressure of the compressed air passing through the pressure reducing valve 3.
The hydrogen peroxide conveying device comprises a peristaltic pump 9 and a metering device, wherein in the embodiment, the metering device is a metering scale 11, a container 10 used for containing hydrogen peroxide liquid is arranged on the metering scale 11, a liquid inlet of the peristaltic pump 9 is communicated with an inner cavity of the container 10, and a liquid outlet of the peristaltic pump 9 is communicated with the other liquid inlet end of the three-way pipe 8, so that hydrogen peroxide and compressed gas are mixed in the three-way pipe 8.
The atomizer is atomizer 20, and atomizer 20 sets up the upside at isolator static pressure case 2, and the output of hose 12 is linked together with atomizer 20's input, and atomizer 20 sets up directly over flash evaporation subassembly 14. The top of the isolator static pressure box 2 is also connected with a pneumatic valve 15, so that hydrogen peroxide can be ensured to smoothly enter the isolator static pressure box 2.
As shown in fig. 2: the flash evaporation assembly 14 includes an evaporation pan 22 and a heater 26, the heater 26 being disposed on the underside of the evaporation pan 22 and heating the evaporation pan 22. The evaporation pan 22 is provided with a temperature probe 25 for detecting the temperature of the evaporation pan 22. The middle part of the evaporation disc 22 is concave to form a flash evaporation part, so that hydrogen peroxide mist entering the separator static pressure box 2 can be collected, and the flash evaporation area can be increased.
The evaporation pan 22 is arranged on the upper side of the fixing plate 23, the evaporation pan 22 and the fixing plate 23 are arranged at intervals, the fixing plate 23 is provided with a vertical heat insulation supporting leg 24, and the evaporation pan 22 is arranged on the upper side of the heat insulation supporting leg 24.
One side of fixed plate 23 is provided with mounting panel 21, and mounting panel 21 is "L" shape of inversion, and the lower part of the vertical portion of mounting panel 21 is connected with fixed plate 23 detachable, is provided with vertical slot hole on the vertical portion of mounting panel 21, and mounting panel 21 passes through the slot hole and is connected with fixed plate 23 detachable to conveniently adjust the height of mounting panel 21.
The end of the horizontal part of the mounting plate 21 is provided with a vertical conversion head 19, the atomizer 20 is arranged at the lower end of the conversion head 19 and is connected with the lower end of the conversion head 19 in a sealing manner, the upper end of the conversion head 19 is provided with a quick connection-connection plug 18, the output end of the hose 12 is provided with a sealing joint, and the hose 12 is detachably connected with the quick connection-connection plug 18 through the sealing joint.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (10)
1. A hydrogen peroxide sterilization device for an isolator is characterized in that: the device comprises an isolator static pressure box (2), a flash evaporation assembly (14) arranged in the isolator static pressure box (2) and a hydrogen peroxide conveying device, wherein the isolator static pressure box (2) is arranged in an isolator main body, a liquid outlet of the hydrogen peroxide conveying device is communicated with the static pressure box (2) and conveys hydrogen peroxide to the position above the flash evaporation assembly (14), and the isolator static pressure box (2) is communicated with an isolator operating area (1) of the isolator main body.
2. The hydrogen peroxide sterilization apparatus for isolators according to claim 1, wherein: the hydrogen peroxide conveying device comprises a peristaltic pump (9) and a metering device, a container (10) for containing hydrogen peroxide is arranged on the metering device, a liquid inlet of the peristaltic pump (9) is communicated with the container (10), and a liquid outlet of the peristaltic pump (9) is communicated with the static pressure box (2).
3. The hydrogen peroxide sterilization apparatus for isolators according to claim 1, wherein: the flash evaporation assembly (14) comprises an evaporation tray (22) and a heater (26), wherein the evaporation tray (22) is arranged on the upper side of the heater (26).
4. The hydrogen peroxide sterilization apparatus for isolators according to claim 3, wherein: the middle part of the evaporation disc (22) is concave to form a flash evaporation part.
5. The hydrogen peroxide sterilization apparatus for isolators according to claim 1 or 3, wherein: the hydrogen peroxide delivery device is communicated with the isolator static pressure box (2) through the atomization device.
6. The hydrogen peroxide sterilization apparatus for isolators according to claim 5, wherein: the atomizing device comprises an atomizing spray head (20), the atomizing spray head (20) is arranged right above the flash evaporation assembly (14), and a liquid outlet of the hydrogen peroxide conveying device is connected with the atomizing spray head (20).
7. The hydrogen peroxide sterilization apparatus for isolators according to claim 5, wherein: the device also comprises a compressed gas conveying device, and a gas outlet of the compressed gas conveying device is connected with the atomizing device.
8. The hydrogen peroxide sterilization apparatus for isolators according to claim 7, wherein: the compressed air conveying device comprises a compressed air inlet pipe (13), a pressure reducing valve (3) and a throttle valve (6), wherein the compressed air inlet pipe (13) is connected with the atomizing device after being sequentially connected with the pressure reducing valve (3) and the throttle valve (6).
9. The hydrogen peroxide sterilization apparatus for isolators according to claim 8, wherein: the compressed air delivery device also comprises a sterilizing filter (5) arranged between the pressure reducing valve (3) and the throttle valve (6).
10. The hydrogen peroxide sterilization apparatus for isolators according to claim 7, wherein: the atomization device is communicated with the compressed gas conveying device and the hydrogen peroxide conveying device through a hose (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021876676.4U CN213251579U (en) | 2020-09-01 | 2020-09-01 | Hydrogen peroxide sterilization device for isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021876676.4U CN213251579U (en) | 2020-09-01 | 2020-09-01 | Hydrogen peroxide sterilization device for isolator |
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| CN213251579U true CN213251579U (en) | 2021-05-25 |
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| CN202021876676.4U Active CN213251579U (en) | 2020-09-01 | 2020-09-01 | Hydrogen peroxide sterilization device for isolator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113893382A (en) * | 2021-08-17 | 2022-01-07 | 广州市铭慧机械股份有限公司 | VHP sterilization generator |
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2020
- 2020-09-01 CN CN202021876676.4U patent/CN213251579U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113893382A (en) * | 2021-08-17 | 2022-01-07 | 广州市铭慧机械股份有限公司 | VHP sterilization generator |
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