CN212593118U - Pipeline for sterilizing air filter and avoiding dead angle - Google Patents
Pipeline for sterilizing air filter and avoiding dead angle Download PDFInfo
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- CN212593118U CN212593118U CN202022233002.9U CN202022233002U CN212593118U CN 212593118 U CN212593118 U CN 212593118U CN 202022233002 U CN202022233002 U CN 202022233002U CN 212593118 U CN212593118 U CN 212593118U
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Abstract
A pipeline for sterilizing an air filter to avoid dead corners comprises an air filter sterilizing pipeline, a first air inlet diaphragm valve, a second air inlet diaphragm valve, a third air inlet diaphragm valve and a fourth air inlet diaphragm valve, wherein the air filter sterilizing pipeline comprises an air inlet pipeline, an air diaphragm valve, an inlet end of the air diaphragm valve is connected to the outlet end of the air inlet pipeline, an inlet end of the air filter is connected to the outlet end of a pollution discharge diaphragm valve, and an inlet; the tank pipeline sterilization pipeline comprises a second air inlet diaphragm valve and an air outlet pipeline, wherein the inlet end of the second air inlet diaphragm valve is arranged on the outlet end of the first air inlet diaphragm valve, the air outlet pipeline is arranged on the outlet end of the second air inlet diaphragm valve, and the outlet end of the air outlet pipeline is connected to the inlet end of the external fermentation tank; through the combination of two sterilization pipelines of the air filter sterilization pipeline and the tank pipeline sterilization pipeline, the cross sterilization between the first air inlet diaphragm valve and the second air inlet diaphragm valve is formed, and the air entering the fermentation tank is ensured to be sterile air.
Description
Technical Field
The utility model relates to a fermentation equipment sterilization technical field, especially a pipeline at air cleaner sterilization avoids dead angle.
Background
In the fermentation production, the air filter and the pipeline need to be subjected to steam sterilization to ensure that air introduced into the fermentation equipment is free of mixed bacteria and ensure pure culture of fermentation, the air filter needs to be sterilized by high-temperature steam of 0.11Mpa before the fermentation culture to kill the mixed bacteria in the filter, the air inlet pipeline is sterilized by the high-temperature steam when the culture medium in the fermentation tank is subjected to steam sterilization, so that the air filter and the tank inlet pipeline are sterilized, and the fermentation tank can be subjected to normal culture after the sterilization of the fermentation culture medium is finished and the sterilized air is introduced; the existing sterilization mode has incomplete cross between high-temperature steam sterilization of an air filter and air pipeline sterilization, has hidden danger of sterilization dead angles, and increases the risk of bacteria contamination of fermentation culture; therefore, the pipeline with good sterilization effect for sterilizing the air filter and avoiding dead angles is provided.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to prior art not enough, a pipeline at dead angle is avoided in air cleaner sterilization that sterilization effect is good is provided.
The technical problem to be solved by the utility model is realized by the following technical proposal, including,
the air filter sterilization pipeline comprises an air inlet pipeline, an air diaphragm valve, an air filter and a first air inlet diaphragm valve, wherein the inlet end of the air diaphragm valve is connected to the outlet end of the air inlet pipeline;
the tank pipeline sterilization pipeline comprises a second air inlet diaphragm valve and an air outlet pipeline, wherein the inlet end of the second air inlet diaphragm valve is arranged on the outlet end of the first air inlet diaphragm valve, the air outlet pipeline is arranged on the outlet end of the second air inlet diaphragm valve, the outlet end of the air outlet pipeline is connected to the inlet end of the external fermentation tank, a second steam connecting pipe is arranged on the air outlet pipeline, and a second steam diaphragm valve is arranged on the second steam connecting pipe;
a first blowdown diaphragm valve is installed on a pipeline between the air diaphragm valve and the air filter, a second blowdown diaphragm valve is installed on a blowdown port of the air filter, and two groups of third blowdown diaphragm valves are installed on a pipeline between the first air inlet diaphragm valve and the second air inlet diaphragm valve.
The utility model discloses the technical problem that solve can also realize through following technical scheme, above an air cleaner sterilization avoids the pipeline at dead angle, two sets of third blowdown diaphragm valves in, each third blowdown diaphragm valve of group all establish ties and install two third blowdown diaphragm valves.
Compared with the prior art, the utility model has the advantages that: through the combination of two sterilization pipelines of air cleaner sterilization pipeline and jar pipeline sterilization pipeline, form the cross sterilization between first diaphragm valve and the second diaphragm valve that admits air, guarantee that the sterilization dead angle homoenergetic of equipment can be disinfected for the pipeline before the air cleaner and after the air cleaner can both be disinfected thoroughly, guarantees that the air that gets into in the fermentation cylinder is aseptic air.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings so as to facilitate the further understanding of the present invention by those skilled in the art, and do not limit the right thereto.
Example 1, referring to fig. 1, a duct for sterilizing an air filter to avoid dead space, comprises,
the air filter sterilization pipeline comprises an air inlet pipeline 1, an air diaphragm valve 2 with an inlet end connected to the outlet end of the air inlet pipeline 1, an air filter 5 with an inlet end connected to the outlet end of the air diaphragm valve 2, and a first air inlet diaphragm valve 7 with an inlet end connected to the outlet end of the air filter 5, wherein a first steam connecting pipe is arranged between the air diaphragm valve 2 and the air filter 5, and a first steam diaphragm valve 4 is arranged on the first steam connecting pipe;
the tank pipeline sterilization pipeline comprises a second air inlet diaphragm valve 10 with an inlet end mounted on the outlet end of the first air inlet diaphragm valve 7 and an air outlet pipeline 14 mounted on the outlet end of the second air inlet diaphragm valve 10, wherein the outlet end of the air outlet pipeline 14 is connected to the inlet end of the external fermentation tank, a second steam connecting pipe is mounted on the air outlet pipeline 14, and a second steam diaphragm valve 13 is mounted on the second steam connecting pipe;
a first blowdown diaphragm valve 3 is arranged on a pipeline between the air diaphragm valve 2 and the air filter 5, a second blowdown diaphragm valve 6 is arranged on a blowdown port of the air filter 5, and two groups of third blowdown diaphragm valves are arranged on a pipeline between the first air inlet diaphragm valve 7 and the second air inlet diaphragm valve 10.
It should be noted that the air diaphragm valve 2, the first air intake diaphragm valve 7, the first steam diaphragm valve 4, the second air intake diaphragm valve 10, the second steam diaphragm valve 13, the first blowdown diaphragm valve 3, the second blowdown diaphragm valve 6 and the third blowdown diaphragm valve in embodiment 1 or embodiment 2 all adopt diaphragm valves in the prior art, and the model and specification thereof can be selected according to requirements, so that the model selection method of the diaphragm valve is not described herein again.
When the air filter is used for sterilizing a pipeline avoiding a dead angle, firstly, the air filter 5 and the pipeline are sterilized, firstly, the air diaphragm valve 2 and the second air inlet diaphragm valve 10 are closed, the first blowdown diaphragm valve 3, the second blowdown diaphragm valve 6 and the third blowdown diaphragm valve are opened, high-temperature steam enters the air filter 5 from the first steam connecting pipe through the first steam diaphragm valve 4, the steam pressure in the air filter 5 is kept at 0.11Mpa for 30min, so that the air filter 5 and the sundry bacteria in the pipeline are completely killed, then, the air diaphragm valve 2 is opened, the first steam diaphragm valve 4 is closed, the air enters the air filter 5 and the first air inlet diaphragm valve 7 through the air inlet pipeline, and the first blowdown diaphragm valve 3, the second blowdown diaphragm valve 6 and the third blowdown diaphragm valve are closed simultaneously, so that positive pressure forced air is maintained between the air filter 5 and the second air inlet diaphragm valve 10, and the sterile state is kept;
and then sterilizing the tank pipeline sterilization pipeline, closing the first air inlet diaphragm valve 7 at the moment, opening the second air inlet diaphragm valve 10 and the third pollution discharge diaphragm valve, opening the second air inlet diaphragm valve 10, allowing steam to enter the pipeline between the first air inlet diaphragm valve 7 and the air outlet pipeline 14 at the moment and sterilizing the section of pipeline, maintaining the steam pressure of 0.11Mpa for 30min, then opening the first air inlet diaphragm valve 7, closing the second steam diaphragm valve 13, and closing the first pollution discharge diaphragm valve 3, the second pollution discharge diaphragm valve 6 and the third pollution discharge diaphragm valve, so that sterile air enters the fermentation tank through the air outlet pipeline 14, and provides sterile air for the external fermentation tank, the sterilization effect is good, and the risk of bacterial contamination is effectively reduced.
Claims (2)
1. The utility model provides a pipeline at air cleaner sterilization avoiding dead angle which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the air filter sterilization pipeline comprises an air inlet pipeline, an air diaphragm valve, an air filter and a first air inlet diaphragm valve, wherein the inlet end of the air diaphragm valve is connected to the outlet end of the air inlet pipeline;
the tank pipeline sterilization pipeline comprises a second air inlet diaphragm valve and an air outlet pipeline, wherein the inlet end of the second air inlet diaphragm valve is arranged on the outlet end of the first air inlet diaphragm valve, the air outlet pipeline is arranged on the outlet end of the second air inlet diaphragm valve, the outlet end of the air outlet pipeline is connected to the inlet end of the external fermentation tank, a second steam connecting pipe is arranged on the air outlet pipeline, and a second steam diaphragm valve is arranged on the second steam connecting pipe;
a first blowdown diaphragm valve is installed on a pipeline between the air diaphragm valve and the air filter, a second blowdown diaphragm valve is installed on a blowdown port of the air filter, and two groups of third blowdown diaphragm valves are installed on a pipeline between the first air inlet diaphragm valve and the second air inlet diaphragm valve.
2. A tube for air filter sterilization avoiding dead angle according to claim 1, characterized in that: and two third blowdown diaphragm valves are arranged in series in each of the two groups of third blowdown diaphragm valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022233002.9U CN212593118U (en) | 2020-10-09 | 2020-10-09 | Pipeline for sterilizing air filter and avoiding dead angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022233002.9U CN212593118U (en) | 2020-10-09 | 2020-10-09 | Pipeline for sterilizing air filter and avoiding dead angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212593118U true CN212593118U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022233002.9U Active CN212593118U (en) | 2020-10-09 | 2020-10-09 | Pipeline for sterilizing air filter and avoiding dead angle |
Country Status (1)
| Country | Link |
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| CN (1) | CN212593118U (en) |
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2020
- 2020-10-09 CN CN202022233002.9U patent/CN212593118U/en active Active
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