CN111981600A - Airlock room with internal circulation purification and disinfection functions - Google Patents
Airlock room with internal circulation purification and disinfection functions Download PDFInfo
- Publication number
- CN111981600A CN111981600A CN202011018315.0A CN202011018315A CN111981600A CN 111981600 A CN111981600 A CN 111981600A CN 202011018315 A CN202011018315 A CN 202011018315A CN 111981600 A CN111981600 A CN 111981600A
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- Prior art keywords
- air
- airlock
- room
- pipe
- return
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/28—Arrangement or mounting of filters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention discloses an airlock room with internal circulation purification and disinfection functions, wherein an air inlet valve is arranged on an air inlet pipe, an exhaust valve is arranged on an exhaust pipe, different side walls of the airlock room are respectively provided with a first airlock door and a second airlock door, the air inlet pipe is connected with an air supply box body, a primary filter and an air supply machine are sequentially arranged in the air supply box body, the air supply box body is connected with a high-efficiency filter, the high-efficiency filter is connected with the airlock room, the side wall of the airlock room is provided with a VHP (very high-frequency protocol) disinfection interface, a return air pipe is connected with the airlock room, the return air pipe is respectively connected with the exhaust pipe and the air supply box body, a self-circulation valve is arranged on a connecting air pipe between. The invention can realize three modes according to requirements, thereby carrying out targeted and efficient sterilization, disinfection and purification treatment on the air in the airlock, obviously improving the cleanliness in the airlock and meeting the increasingly strict high-cleanliness grade requirements of the industries such as pharmacy and the like.
Description
Technical Field
The invention relates to an airlock room, in particular to an airlock room with internal circulation purification and disinfection functions.
Background
An airlock room is a compartment having two or more doors disposed between two (typically two) or more rooms, and is a buffer room provided for maintaining air cleanliness and positive pressure control within a clean room. The purpose of setting up the airlock room is when personnel or material go out, to control the air current. The air lock chamber can be divided into a person air lock chamber and a material air lock chamber.
The airlock room is typically located between a clean zone and a non-clean zone, or between two clean zones of different cleanliness. Two air lock doors which can not be opened simultaneously are arranged between the air locks, and the air lock doors are called interlocking doors, and are used for separating two different clean environments, preventing polluted air from entering a clean area and preventing cross contamination.
The structure between traditional airlock is comparatively simple, mainly be in the same place mechanism, exhaust mechanism and interlocking door integration and realize the automated control of certain degree through the controller that admits air, it is roughly the same with current toilet structure, only can play ordinary cushioning effect, when personnel or material get into the airlock between, partial bacterium, microorganism will be inevitable carried and enter into the airlock between in, owing to lack sufficient purification ability, so most probably cause the pollution of next interval. With the development of industries with high cleanliness requirements for pharmacy, the control requirements of a clean room on bacteria and microorganisms are more and more strict, and the traditional airlock room cannot meet the cleanliness requirements in the process flows of the industries with higher cleanliness, such as pharmacy.
Disclosure of Invention
The present invention has been made to solve the above problems, and an object of the present invention is to provide an airlock room having an internal circulation cleaning and sterilizing function, which can maintain a high degree of cleanliness for a long period of time.
The invention realizes the purpose through the following technical scheme:
the utility model provides an airlock room with inner loop purifies and disinfection function, includes airlock room, intake pipe, admission valve, blast pipe, discharge valve and controller, the admission valve is installed in the intake pipe, discharge valve installs on the blast pipe, be equipped with first airlock door and second airlock door on the different lateral walls of airlock room respectively, the control output of controller respectively with the control input of intake valve, the control input of discharge valve, the control input of first airlock door with the control input of second airlock door corresponds the connection, still include air supply box body, primary filter, forced draught blower, high efficiency filter, return air pipe and self-circulation valve between the airlock, the export of intake pipe with the entry linkage of air supply box body, primary filter with the forced draught blower is arranged in proper order in the air supply box body, the export of air supply box body with high efficiency filter's entry linkage, the export of high efficiency filter with the air inlet of airlock room is connected, the position that is close to its air inlet on the lateral wall of airlock room is equipped with the VHP disinfection interface that is used for external VHP sterilizer, the entry of return air hose with the gas outlet of airlock room is connected, the export of return air hose respectively with the entry of blast pipe with the entry linkage of air feed box, the self-circulation valve install in the export of return air hose with on the connecting tube between the entry of air feed box, the control input of forced draught blower with the control input of self-circulation valve respectively with controller control output corresponds and is connected. VHP is Vaporized Hydrogen Peroxide or Vaporized Hydrogen Peroxide, and VHP sterilization is a technique for achieving the requirement of complete sterilization by utilizing the advantage that Hydrogen Peroxide has better capability of killing bacterial spores in a gas state than in a liquid state at normal temperature.
Furthermore, in order to introduce ozone when necessary to achieve a better sterilization effect, the airlock room further comprises a high-efficiency air supply box, the high-efficiency filter is arranged in the high-efficiency air supply box, and an ozone interface for externally connecting an ozone machine is arranged on the box wall of the high-efficiency air supply box.
Furthermore, in order to filter the return air for multiple times so as to improve the cleanliness of air entering the air lock chamber in a self-circulation working state, the air lock chamber further comprises a return air chamber and a return air filter, the return air chamber is arranged in the air lock chamber and close to the air outlet of the air lock chamber, a partition plate is arranged in the air lock chamber and close to the return air pipe, the partition plate separates the return air pipe and the return air chamber from other air in the air lock chamber, a through hole is formed in the partition plate and serves as the air outlet of the air lock chamber, the air outlet of the air lock chamber and the inlet of the return air pipe are respectively communicated with the return air chamber, and the return air filter is arranged in the return air chamber.
Furthermore, in order to improve the uniformity of the clean air entering the airlock chamber, a uniform flow pore plate is arranged at the joint between the outlet of the high-efficiency filter and the air inlet of the airlock chamber.
The invention has the beneficial effects that:
according to the invention, the air supply box body, the air return pipe and the self-circulation valve are added, the air inlet pipe and the air return pipe are both connected with the air supply box body, the air return pipe is connected with the exhaust pipe through water, and the on-off between the air return pipe and the air supply box body is controlled through the self-circulation valve, so that the following three modes can be realized through the control of the controller according to the requirements: the air-lock chamber is provided with a VHP disinfection interface on the side wall, and can be matched with the three modes to carry out targeted efficient sterilization, disinfection and purification treatment on the air in the air-lock chamber according to requirements, so that the cleanliness in the air-lock chamber is obviously improved, and the increasingly strict high-cleanliness grade requirements of industries such as pharmacy are met; through setting up primary filter and high efficiency filter, can realize better filter effect, improve the cleanliness factor that gets into the indoor air of airlock.
Drawings
FIG. 1 is a schematic view of a partial cross-sectional front view of a airlock with internal circulation cleaning and disinfection functions according to the present invention, showing a self-circulation mode;
FIG. 2 is a left side view schematically showing the structure of the airlock having the internal circulation cleaning and sterilizing functions according to the present invention, which corresponds to FIG. 1;
FIG. 3 is a schematic top view of the airlock with internal circulation cleaning and sterilizing functions of the present invention, corresponding to FIG. 1;
FIG. 4 is a second schematic view of the air lock chamber with internal circulation cleaning and disinfection functions according to the present invention, showing a self-cleaning mode;
fig. 5 is a third schematic view of a partial cross-sectional structure of the airlock with internal circulation cleaning and sterilizing functions of the present invention, which is shown in a replacement mode.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1-3, the airlock room with internal circulation purification and disinfection function of the present invention comprises an airlock room 1, an air inlet pipe 10, an air inlet valve 9, an air outlet pipe 20, an air outlet valve 23, a controller (not shown), an air supply box 8, a primary filter 12, a blower 11, a high efficiency filter 6, a return air pipe 14 and a self-circulation valve 13, wherein the air inlet valve 9 is installed on the air inlet pipe 10, the air outlet valve 23 is installed on the air outlet pipe 20, different side walls of the airlock room 1 are respectively provided with a first airlock door 16 and a second airlock door 21, an outlet of the air inlet pipe 10 is connected with an inlet of the air supply box 8, the primary filter 12 and the blower 11 are sequentially arranged in the air supply box 8, an outlet of the air supply box 8 is connected with an inlet of the high efficiency filter 6, an outlet of the high efficiency filter 6 is connected with an air inlet of the airlock room 1, a VHP disinfection interface 2 for externally connecting a, the entry of return air duct 14 is connected with the gas outlet of airlock room 1, and the export of return air duct 14 is connected with the entry of blast pipe 20 and the entry of supply-air box 8 respectively, and self-circulating valve 13 is installed on the connecting gas pipe between the export of return air duct 14 and the entry of supply-air box 8, the control output of controller corresponds with the control input of admission valve 9, the control input of discharge valve 23, the control input of forced draught blower 11, the control input of self-circulating valve 13, the control input of first airlock door 16 and the control input of second airlock door 21 respectively and is connected.
Preferably, the airlock room further comprises a high-efficiency air supply box 4, a high-efficiency filter 6 is arranged in the high-efficiency air supply box 4, and an ozone interface 3 for externally connecting an ozone machine is arranged on the box wall of the high-efficiency air supply box 4; the airlock room also comprises an air return room 17 and an air return filter 18, the air return room 17 is arranged in the airlock room 1 and close to the air outlet of the airlock room, a partition plate is arranged in the airlock room 1 and close to the air return pipe 14, the partition plate separates the air return pipe 14 and the air return room 17 from other air in the airlock room 1, a through hole is arranged on the partition plate and serves as the air outlet of the airlock room 1, the air outlet of the airlock room 1 and the inlet of the air return pipe 14 are respectively communicated with the air return room 17, and the air return filter 18 is arranged in the air return room 17; a uniform flow pore plate 7 is arranged at the connection part between the outlet of the high-efficiency filter 6 and the air inlet of the airlock chamber 1; an exhaust box 19 is also mounted on the exhaust pipe 20, and an exhaust fan connected to the controller is preferably mounted in the exhaust box 19.
Also shown in fig. 1 and 2 is a connecting duct 5 for facilitating steering, fig. 1 also shows a first touch screen 15 provided on a side wall of the airlock room 1 beside the first airlock door 16, and fig. 2 also shows a first touch screen 22 provided on a side wall of the airlock room 1 beside the second airlock door 21, which are conventional structures.
The working principle of the airlock with internal circulation cleaning and sterilizing functions of the present invention is as follows, including the preferred control method for each electronic component, in conjunction with fig. 1 to 5.
Before using, be connected VHP disinfection interface 2 with VHP sterilizer, the inboard of VHP disinfection interface 2 can install the sterilizing valve who is connected with the controller to in quick start-stop control.
Self-circulation mode: also called the inner circulation mode, is the normal operating mode; if the materials need to be transferred after the self-cleaning mode is finished, a worker presses down a door opening button of the first air lock door 16 or the second air lock door 21 from one side to open the corresponding air lock door, pushes the materials to be operated into the air lock chamber 1, then the worker exits from the door at the same side to press a door closing button and a disinfection button, and then the worker enters a working mode, namely the mode enters a disinfection state; the controller controls the air inlet valve 9 and the exhaust valve 23 to be closed, the air feeder 11 and the self-circulation valve 13 to be opened, then the external VHP sterilizer and the sterilizing valve are opened, sterilizing aerial fog is blown into the airlock 1, and the sterilizing aerial fog flows through a working area in the airlock 1 under the action of the air feeder 11, then passes through the return air filter 18, the return air pipe 14, the primary filter 12, the air feeder 11 and the high-efficiency filter 6 to form a cyclic reciprocating process which is repeated continuously to sterilize materials or devices in the airlock 1. The permutation mode is typically entered after the self-loop mode is completed.
Replacement mode: after the normally working disinfection and sterilization process is completed, the system enters a replacement exhaust state, the controller controls the air inlet valve 9 and the self-circulation valve 13 to be closed, the exhaust valve 23 and the exhaust fan are opened, residual ozone or disinfection aerial fog in the airlock 1 is pressed out through the piston effect and is discharged through the exhaust pipe 20, the disinfection waiting time is greatly shortened, and the safety of the system is improved. The self-cleaning mode is typically entered after the displacement mode is completed.
Self-cleaning mode: firstly, the first air lock door 16 or the second air lock door 21 is ensured to be in a completely closed state, the ozone interface 3 is well connected with the ozone machine, then the controller controls the air inlet valve 9, the air outlet valve 23 and the blower 11 to be opened, the self-circulation valve 13 to be closed, the fresh air flows through the primary filter 12, the blower 11 and the high-efficiency filter 6, is mixed with ozone and then enters a uniform flow area in the airlock 1, then vertically flows to the working area in the airlock 1, finally is exhausted to the designated area through the exhaust filter 18, the return air pipe 14, the exhaust valve 23 and the exhaust pipe 20, finally the air in the airlock 1 reaches a clean state, in the mode, the exhaust volume is adjusted through the exhaust valve 23, so that the relative positive pressure or relative negative pressure state can be realized in the airlock 1 along with setting, thereby preventing the pollution and cross contamination between materials and personnel in two independent clean areas and protecting the safety of the personnel and the surrounding environment. Generally, the self-circulation mode, i.e. the working mode, is entered after the self-cleaning mode is finished.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.
Claims (4)
1. The utility model provides an airlock room with inner loop purifies and disinfection function, includes airlock room, intake pipe, admission valve, blast pipe, discharge valve and controller, the admission valve is installed in the intake pipe, discharge valve installs on the blast pipe, be equipped with first airlock door and second airlock door on the different lateral walls of airlock room respectively, the control output of controller respectively with the control input of admission valve, the control input of discharge valve, the control input of first airlock door with the control input of second airlock door corresponds and is connected its characterized in that: still include between the airlock send air box, primary filter, forced draught blower, high efficiency filter, return air pipe and self-circulation valve, the export of intake pipe with the access connection of send air box, primary filter with the forced draught blower is arranged in proper order in the send air box, send the export of air box with high efficiency filter's access connection, high efficiency filter's export with the air inlet of airlock room is connected, the position that is close to its air inlet on the lateral wall of airlock room is equipped with the VHP disinfection interface that is used for external VHP sterilizer, the entry of return air pipe with the gas outlet of airlock room is connected, the export of return air pipe respectively with the entry of blast pipe with the access connection of send air box, the self-circulation valve install in the export of return air pipe with on the connecting tube between the entry of send air box, the control input of forced draught blower with from the control input of circulation valve respectively with controller control output The output ends are correspondingly connected.
2. The airlock room with the function of internal circulation purification and sterilization as set forth in claim 1, wherein: the airlock room further comprises a high-efficiency air supply box, the high-efficiency filter is arranged in the high-efficiency air supply box, and an ozone interface for being externally connected with an ozone machine is arranged on the box wall of the high-efficiency air supply box.
3. The airlock room with the function of internal circulation purification and sterilization as set forth in claim 1, wherein: the air lock room further comprises an air return room and an air return filter, the air return room is arranged at a position, close to an air outlet, in the air lock room, a partition board is arranged at a position, close to the air return pipe, in the air lock room, the air return pipe and the air return room are separated from other air in the air lock room, a through hole is formed in the partition board and serves as the air outlet of the air lock room, the air outlet of the air lock room and an inlet of the air return pipe are respectively communicated with the air return room, and the air return filter is arranged in the air return room.
4. The airlock room with the function of internal circulation purification and sterilization as set forth in claim 1, 2 or 3, wherein: and a uniform flow pore plate is arranged at the joint between the outlet of the high-efficiency filter and the air inlet of the airlock chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011018315.0A CN111981600A (en) | 2020-09-24 | 2020-09-24 | Airlock room with internal circulation purification and disinfection functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011018315.0A CN111981600A (en) | 2020-09-24 | 2020-09-24 | Airlock room with internal circulation purification and disinfection functions |
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| Publication Number | Publication Date |
|---|---|
| CN111981600A true CN111981600A (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011018315.0A Pending CN111981600A (en) | 2020-09-24 | 2020-09-24 | Airlock room with internal circulation purification and disinfection functions |
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| Country | Link |
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| CN (1) | CN111981600A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112588680A (en) * | 2020-12-16 | 2021-04-02 | 无锡先导智能装备股份有限公司 | Cleaning device and cleaning equipment |
-
2020
- 2020-09-24 CN CN202011018315.0A patent/CN111981600A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112588680A (en) * | 2020-12-16 | 2021-04-02 | 无锡先导智能装备股份有限公司 | Cleaning device and cleaning equipment |
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