CN214051001U - Biological fermentation tail gas treater - Google Patents
Biological fermentation tail gas treater Download PDFInfo
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- CN214051001U CN214051001U CN202022827501.0U CN202022827501U CN214051001U CN 214051001 U CN214051001 U CN 214051001U CN 202022827501 U CN202022827501 U CN 202022827501U CN 214051001 U CN214051001 U CN 214051001U
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- tail gas
- gas
- wire mesh
- membrane filter
- biological fermentation
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Abstract
The utility model relates to a biological fermentation tail gas processor, including a jar body, be provided with air inlet pipeline and gas outlet pipeline on jar body, at internal silk screen demister, membrane filter and the gas collecting chamber of being provided with of jar, air inlet pipeline and jar body tangential connection make biological fermentation tail gas admit air along jar tangential of body to experience cyclone, the silk screen demister sets up the high department at the air inlet pipeline, the silk screen demister is used for making the tail gas after the cyclone to pass through, the membrane filter is located the top of silk screen demister, the tail gas through the silk screen demister is received to the inlet end of membrane filter, membrane filter's the end of giving vent to anger communicates with the gas collecting chamber, gas collecting chamber and gas outlet pipeline intercommunication, the gas collecting chamber is used for collecting the tail gas through membrane filter filtration and discharges through the gas outlet pipeline again. The utility model discloses a biological fermentation tail gas processor running resistance is low, and filter core long service life, running cost greatly reduced removes the microorganism effect stably, and the security is good.
Description
Technical Field
The utility model belongs to the technical field of biological fermentation, especially, relate to a biological fermentation tail gas treater.
Background
After years of development, biological fermentation becomes an important industry for promoting domestic economic development. The application range of the method covers the industries of chemical industry, biological pharmacy, food and the like, and the production scale is leading in the world.
In the production process of biological fermentation, most of fermentation tank tail gas emissions are directly discharged into the atmosphere, and the environment is seriously polluted. In particular, some of the species, such as live bacteria in vaccine products, are discharged into the atmosphere and cause harm to human bodies.
In recent years, with the enhancement of national environmental protection policies, the original direct emission mode of fermentation tail gas is not allowed, so that the treatment of the fermentation tail gas becomes a major problem which needs to be solved urgently.
The biological fermentation tail gas is characterized in that: the water content is large, the impurities are more, and the environment protection requirement is that the microorganisms in the tail gas are removed or killed before the tail gas is discharged.
At present, the method for solving the tail gas at home and abroad comprises an incineration method, a water absorption method, a resin adsorption method and a membrane filtration method.
In the prior art, a method for treating biological fermentation tail gas by adopting a membrane filtration method is to add a first-stage sterilizing filter, and the fermentation tail gas contains a lot of moisture and impurities, so that the resistance of the filter rises quickly, the filter is easy to block, the service life of the filter element is short, the filter element needs to be replaced once in 5-7 days generally, and the operation cost is high. The effect of removing microorganisms is unstable and the safety is poor.
Disclosure of Invention
Adopt the current situation such as the easy jam of filter, running cost height that the membrane filtration process exists to prior art, the utility model provides a biological fermentation tail gas treater, the utility model discloses a biological fermentation tail gas treater running resistance is low, and filter core long service life, running cost greatly reduced removes the microorganism effect stability, and the security is good.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a biological fermentation tail gas processor, including a jar body, be provided with air inlet pipeline and gas outlet pipeline on jar body, at internal silk screen demister, membrane filter and the gas collecting chamber of being provided with of jar, air inlet pipeline and jar body tangential connection make biological fermentation tail gas admit air along the tangential of jar body to experience cyclone, the silk screen demister sets up the high department at the air inlet pipeline, the silk screen demister is used for making the tail gas after the cyclone to pass through, the membrane filter is located the top of silk screen demister, the tail gas through the silk screen demister is received to the inlet end of membrane filter, membrane filter's the end of giving vent to anger communicates with the gas collecting chamber, gas collecting chamber and gas outlet pipeline intercommunication, the gas collecting chamber is used for collecting the tail gas through membrane filter filtration and discharges through the gas outlet pipeline again.
The utility model discloses an in the embodiment, the axis of air inlet pipeline sets up along the tangential direction of the jar body for biological fermentation tail gas can be got into along the tangent line of the jar body by the air inlet pipeline, and then can experience cyclone. The cyclone separation mainly aims at removing water drops with the particle size of more than 50 microns and solid impurities in the fermentation tail gas.
The utility model discloses an in one embodiment, the silk screen demister passes through flange joint to be fixed on the jar body, be provided with the clearance between the inner wall of silk screen demister and jar body, the silk screen demister is arranged in getting rid of water droplet and impurity below 50 microns in the gas, the direction of admitting air of silk screen demister enters into the inboard by the outside.
The utility model discloses an in the embodiment, the lower extreme of silk screen demister seals, and is connected with liquid seal U type pipe, liquid seal U type pipe is used for flowing out the water droplet and the impurity that the silk screen demister inside produced and prevent that partial tail gas from not passing through silk screen demister and directly flowing to the membrane filter from U type pipe. The liquid seal U-shaped pipe plays the roles of draining water in the wire mesh demister and preventing short circuit of air flow.
In an embodiment of the present invention, the tank body includes an upper cylinder and a lower conical bottom, the membrane filter, the gas collecting chamber and the wire mesh demister are disposed in the upper cylinder from top to bottom, and the liquid seal U-shaped pipe extends into the conical bottom.
The utility model discloses an in one embodiment, the below of awl end is provided with the drain, the awl end is used for receiving water droplet and the impurity that whirlwind separation produced, receives simultaneously by the water droplet and the impurity that liquid seal U type pipe flows out, the drain is used for the interior liquid and the impurity discharge of awl end.
In one embodiment of the present invention, the tank body is formed by connecting a detachable casing through a casing flange. The shell adopts a detachable structure, so that the cleaning is convenient.
The utility model discloses an in one embodiment, the upper end of silk screen demister is open structure, and with membrane filter's inlet end intercommunication, membrane filter's the end of giving vent to anger communicates with the gas collecting chamber for the gas that silk screen demister upper end came out can not directly get into the gas collecting chamber, and must pass through membrane filter's filtration.
In an embodiment of the present invention, the central axis of the gas outlet pipe is perpendicular to the surface of the tank body.
The utility model discloses an in an embodiment, the upper end of the jar body is provided with the manometer interface for connect the manometer, the lower extreme of the jar body is connected with the landing leg that is used for the supporting jar body.
The utility model discloses an in the embodiment, the shell structure of the jar body adopts streamlined design, and structural resistance is little, and initial resistance is less than or equal to 0.005Mpa, and inside mirror finish, roughness are less than or equal to 0.6um, and the inner structure dead angle is few, and the material remains fewly.
In an embodiment of the present invention, the membrane filter is a degerming filter with high pollutant carrying capacity, and can completely remove microorganisms contained in the exhaust gas, so that the exhaust gas reaches the emission standard.
Adopt the technical scheme of the utility model, biological fermentation tail gas will experience cyclone separation, silk screen defoaming, this three step of membrane filter separation, and three kinds of separation mode adopt the tank structure of integral type to realize compact structure, and area is few.
The utility model discloses a theory of operation does: the biological fermentation tail gas is tangentially fed, water drops and solid impurities above 50 microns are removed through cyclone separation, water drops and solid impurities below 50 microns are removed through a wire mesh demister, the tail gas meets the air inlet requirement of a sterilizing filter, the service life of the membrane filter is prolonged, and microorganisms contained in the tail gas are mainly removed through the membrane filter.
The biological fermentation tail gas processor of the utility model can perform steam sterilization, and when performing steam sterilization, the used steam is saturated steam, and the sterilization temperature is 121 +/-5 ℃.
The utility model discloses a biological fermentation tail gas processor each main component part mainly through flange joint, can dismantle, conveniently washs.
Compared with the prior art, the utility model has the advantages of it is following and beneficial effect:
(1) the utility model discloses an overall equipment running resistance is low, and filter core long service life can generally use more than 3 months, and running cost greatly reduced removes the microorganism effect stability, and the security is good.
(2) The utility model discloses an it is convenient that whole equipment overhauls, easy washing.
(3) Adopt the technical scheme of the utility model, biological fermentation tail gas will experience cyclone separation, silk screen defoaming, this three step of membrane filter separation, and three kinds of separation mode adopt the tank structure of integral type to realize compact structure, and area is few. The utility model discloses an integral equipment belongs to the country and makes the initiative.
Drawings
FIG. 1 is a schematic view of a biological fermentation tail gas processor in embodiment 1 of the present invention;
fig. 2 is a schematic view of a top view of a biological fermentation tail gas processor in embodiment 1 of the present invention.
The reference numbers in the figures indicate: 1. pressure meter interface, 2, casing, 3, membrane filter, 4, casing flange, 5, gas collecting cavity, 6, air inlet pipeline, 7, gas outlet pipeline, 8, silk screen demister, 9, liquid seal U type pipe, 10, awl end, 11, drain, 12, landing leg.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Examples
Referring to fig. 1 and fig. 2, the embodiment provides a biological fermentation tail gas processor, which comprises a tank body, an air inlet pipeline 6 and an air outlet pipeline 7 are arranged on the tank body, a silk screen demister 8, a membrane filter 3 and an air collecting cavity 5 are arranged in the tank body, the air inlet pipeline 6 is tangentially connected with the tank body to ensure that the biological fermentation tail gas enters along the tangential direction of the tank body, and undergoes cyclone separation, the wire mesh demister 8 is arranged at the height of the air inlet pipeline 6, the wire mesh demister 8 is used for enabling the tail gas after cyclone separation to pass through, the membrane filter 3 is positioned above the wire mesh demister 8, the air inlet end of the membrane filter 3 receives the tail gas passing through the wire mesh demister 8, the air outlet end of the membrane filter 3 is communicated with an air collecting cavity 5, the air collecting cavity 5 is communicated with an air outlet pipeline 7, the gas collection cavity 5 is used for collecting tail gas filtered by the membrane filter 3 and then discharging the tail gas through the gas outlet pipeline 7.
In this embodiment, the axis of the air inlet pipeline 6 is arranged along the tangential direction of the tank body, so that the biological fermentation tail gas can enter from the air inlet pipeline 6 along the tangential line of the tank body, and further can undergo cyclone separation. The cyclone separation mainly aims at removing water drops with the particle size of more than 50 microns and solid impurities in the fermentation tail gas.
In this embodiment, the wire mesh demister 8 is connected to the inner wall of the tank body through a bracket, a gap is provided between the wire mesh demister 8 and the inner wall of the tank body, the wire mesh demister 8 is used for removing water droplets and impurities below 50 micrometers in the gas, and the air inlet direction of the wire mesh demister 8 enters the inner side from the outer side.
In this embodiment, the lower end of the wire mesh demister 8 is closed and is connected with a liquid seal U-shaped pipe 9, and the liquid seal U-shaped pipe 9 is used for allowing water drops and impurities generated inside the wire mesh demister 8 to flow out and preventing part of the tail gas from flowing to the membrane filter 3 directly from the U-shaped pipe without passing through the wire mesh demister 8. The liquid seal U-shaped pipe 9 plays the roles of draining water inside the wire mesh demister 8 and preventing short circuit of air flow.
In this embodiment, the tank body includes an upper cylinder and a lower conical bottom 10, the membrane filter 3, the gas collecting chamber 5 and the wire mesh demister 8 are arranged in the upper cylinder from top to bottom, and the liquid seal U-shaped pipe 9 extends into the conical bottom 10.
In this embodiment, a drain outlet 11 is disposed below the cone bottom 10, the cone bottom 10 is configured to receive water droplets and impurities generated by cyclone separation, and simultaneously receive the water droplets and impurities flowing out of the liquid seal U-shaped pipe 9, and the drain outlet 11 is configured to discharge the liquid and the impurities in the cone bottom 10.
In this embodiment, the tank body is formed by connecting a detachable shell 2 through a shell flange 4. The shell adopts a detachable structure, so that the cleaning is convenient.
In this embodiment, the upper end of the wire mesh demister 8 is of an open structure and is communicated with the air inlet end of the membrane filter 3, and the air outlet end of the membrane filter 3 is communicated with the air collecting chamber 5, so that the gas coming out of the upper end of the wire mesh demister 8 cannot directly enter the air collecting chamber 5 and must be filtered by the membrane filter 3.
In this embodiment, the central axis of the air outlet pipeline 7 is perpendicular to the surface of the tank body.
In this embodiment, the upper end of the tank body is provided with a pressure gauge interface 1 for connecting a pressure gauge, and the lower end of the tank body is connected with a supporting leg 12 for supporting the tank body.
In this embodiment, the shell structure of the jar body adopts streamlined design, and structural resistance is little, and initial resistance is less than or equal to 0.005Mpa, and inside mirror finish, roughness are less than or equal to 0.6um, and the inner structure dead angle is few, and the material remains fewly.
In this embodiment, the membrane filter 3 is a sterilization-grade filter with strong pollutant carrying capacity, and can completely remove microorganisms contained in the exhaust gas, so that the exhaust gas reaches the emission standard.
The biological fermentation tail gas treater of the embodiment can perform steam sterilization, and when the steam sterilization is performed, the used steam is saturated steam, and the sterilization temperature is 121 +/-5 ℃.
The biological fermentation tail gas treater of this embodiment each main component part is mainly through flange joint, can dismantle, convenient washing.
By adopting the technical scheme of the embodiment, the working process is described as follows: fermented tail gas enters along a casing tangent line through an air inlet pipeline 6, water drops and solid impurities above 50 microns are removed through cyclone separation, the generated water drops and impurities enter a cone bottom 10 for storage, the tail gas after cyclone separation passes through a silk screen demister 8 again, the water drops and impurities below 50 microns are removed, the tail gas meets the air inlet requirement of a sterilizing filter, microorganisms contained in the tail gas are mainly removed through a membrane filter 3 in the post-stage filtration, the tail gas becomes clean gas, and the clean gas is discharged through a gas collection cavity 5 and a gas outlet pipeline 7. The liquid seal U type pipe 9 injects water before the work, prevents that tail gas from directly getting into membrane filter 3 by liquid seal U type pipe 9, influences its filter effect and life. When tail gas is filtered through wire mesh demister 8, water droplet and solid impurity that 8 outsides of wire mesh demister produced directly fall into awl end 10, and water droplet and impurity that 8 inside productions of wire mesh demister flow out by liquid seal U type pipe 9 and get into awl end 10. Liquid and impurities in the cone bottom 10 are discharged from the sewage discharge port 11.
By adopting the technical scheme of the embodiment, the biological fermentation tail gas is subjected to three steps of cyclone separation, wire mesh defoaming and membrane filter separation, and three separation modes are realized by adopting an integrated tank structure, so that the structure is compact, and the occupied area is small.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (10)
1. A biological fermentation tail gas processor is characterized by comprising a tank body, wherein an air inlet pipeline (6) and an air outlet pipeline (7) are arranged on the tank body, a wire mesh demister (8), a membrane filter (3) and a gas collection cavity (5) are arranged in the tank body, the air inlet pipeline (6) is tangentially connected with the tank body to enable biological fermentation tail gas to enter along the tangential direction of the tank body and undergo cyclone separation, the wire mesh demister (8) is arranged at the height of the air inlet pipeline (6), the wire mesh demister (8) is used for enabling tail gas after cyclone separation to pass through, the membrane filter (3) is positioned above the wire mesh demister (8), the air inlet end of the membrane filter (3) receives the tail gas passing through the wire mesh demister (8), the air outlet end of the membrane filter (3) is communicated with the gas collection cavity (5), and the gas collection cavity (5) is communicated with the air outlet pipeline (7), the gas collection cavity (5) is used for collecting tail gas filtered by the membrane filter (3) and then discharging the tail gas through the gas outlet pipeline (7).
2. The biological fermentation tail gas processor according to claim 1, wherein the central axis of the gas inlet pipeline (6) is arranged along the tangential direction of the tank body.
3. The biological fermentation tail gas processor according to claim 1, characterized in that the wire mesh demister (8) is fixed on the tank body through flange connection, a gap is arranged between the wire mesh demister (8) and the inner wall of the tank body, the wire mesh demister (8) is used for removing water drops with the particle size of 50 microns or less and impurities in the gas, and the air inlet direction of the wire mesh demister (8) enters from the outside to the inside.
4. The biological fermentation tail gas processor according to claim 1, wherein the lower end of the wire mesh demister (8) is closed, and a liquid-sealed U-shaped pipe (9) is connected, and the liquid-sealed U-shaped pipe (9) is used for flowing out water drops and impurities generated inside the wire mesh demister (8) and preventing part of the tail gas from flowing to the membrane filter (3) directly from the U-shaped pipe without passing through the wire mesh demister (8).
5. The biological fermentation tail gas processor as claimed in claim 4, wherein the tank body comprises an upper cylinder and a lower conical bottom (10), the membrane filter (3), the gas collection cavity (5) and the wire mesh demister (8) are arranged in the upper cylinder from top to bottom, and the liquid seal U-shaped pipe (9) extends into the conical bottom (10).
6. The biological fermentation tail gas processor as claimed in claim 5, wherein a sewage draining outlet (11) is arranged below the conical bottom (10), the conical bottom (10) is used for receiving water drops and impurities generated by cyclone separation and simultaneously receiving water drops and impurities flowing out of the liquid seal U-shaped pipe (9), and the sewage draining outlet (11) is used for draining liquid and impurities in the conical bottom (10).
7. The biological fermentation tail gas processor of claim 5, wherein the tank body is formed by connecting a detachable shell (2) through a shell flange (4).
8. The biological fermentation tail gas processor according to claim 1, characterized in that the upper end of the wire mesh demister (8) is of an open structure and is communicated with the gas inlet end of the membrane filter (3), so that the gas coming out of the upper end of the wire mesh demister (8) cannot directly enter the gas collection chamber (5) and must be filtered by the membrane filter (3).
9. The biological fermentation tail gas processor according to claim 1, wherein the central axis of the gas outlet pipeline (7) is perpendicular to the surface of the tank body.
10. The biological fermentation tail gas processor according to claim 1, characterized in that a pressure gauge connector (1) is arranged at the upper end of the tank body and used for connecting a pressure gauge, and a supporting leg (12) for supporting the tank body is connected to the lower end of the tank body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022827501.0U CN214051001U (en) | 2020-11-30 | 2020-11-30 | Biological fermentation tail gas treater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022827501.0U CN214051001U (en) | 2020-11-30 | 2020-11-30 | Biological fermentation tail gas treater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214051001U true CN214051001U (en) | 2021-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022827501.0U Active CN214051001U (en) | 2020-11-30 | 2020-11-30 | Biological fermentation tail gas treater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214051001U (en) |
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2020
- 2020-11-30 CN CN202022827501.0U patent/CN214051001U/en active Active
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