CN212523622U - Yeast fermentation tail gas treatment device - Google Patents
Yeast fermentation tail gas treatment device Download PDFInfo
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- CN212523622U CN212523622U CN202020736954.XU CN202020736954U CN212523622U CN 212523622 U CN212523622 U CN 212523622U CN 202020736954 U CN202020736954 U CN 202020736954U CN 212523622 U CN212523622 U CN 212523622U
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Abstract
The utility model provides a yeast fermentation tail gas processing apparatus, it links to each other with the gas vent of yeast fermentation system, the device includes: the tail gas shunting module is used for shunting and condensing the tail gas and controlling the trend of the tail gas; the tail gas filtering module is used for filtering tail gas; the tail gas purification module is used for alkalifying, oxidizing and washing the tail gas; the tail gas shunting module, the tail gas filtering module and the tail gas purifying module are sequentially connected through pipelines. The flow dividing module controls the trend and the flow rate of the tail gas by dividing the tail gas, removes water vapor in the tail gas and simultaneously utilizes the cooperation of a molecular sieve and active carbon to adsorb harmful substances in the tail gas; in order to increase the contact time of the tail gas and the spraying liquid, a first conical flow limiting plate is added in the alkalization spraying module and the oxidation spraying module, so that the flow speed of the tail gas in the spraying module is reduced; a flow limiting cap is added at the air inlet of the washing pool to reduce the speed of the gas flowing out from the pipeline directly.
Description
Technical Field
The utility model relates to a yeast activity detects technical field, especially relates to yeast fermentation tail gas processing apparatus.
Background
Fermentation is one of the most important and critical links in the brewing process, and the quality of yeast in fermentation liquor is directly related to the yield and quality of fermentation products. The quality of yeast is generally evaluated by activity and viability, wherein activity refers to the viability of the cells, and yeast viability refers to the physiological state of the yeast cells, and can also be understood as the adaptability and metabolic capability of the living cells to the environment. The yeast activity is an important factor influencing the fermentation performance and taste, and high-quality wine can be brewed only by stable and high-activity yeast. And a large amount of tail gas can be generated in the fermentation process of the high-activity yeast, the main components of the tail gas comprise air and water vapor, and the tail gas also contains residual volatile organic compounds, peculiar smell gases and harmful gases, and the tail gas can cause environmental pollution when being directly discharged into the atmosphere. Therefore, a tail gas treatment device is needed, the prior art adopts an alkalization tower to be matched with an oxidation tower for treatment, but the alkalization tower and the oxidation tower are directly treated to hardly remove harmful substances in tail gas, so that the prior tail gas treatment device needs to be modified.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The to-be-solved problem of the utility model is to provide a brand-new yeast fermentation tail gas processing apparatus, solve the dirty problem of current alkalization tower cooperation oxidation tower to the harmful substance processing in the tail gas.
(II) technical scheme
The utility model provides a yeast fermentation tail gas processing apparatus, it links to each other with the gas vent of yeast fermentation system, the device includes:
the tail gas shunting module is used for shunting the tail gas and controlling the trend of the tail gas;
the tail gas filtering module is used for filtering tail gas;
the tail gas purification module is used for alkalifying, oxidizing and washing the tail gas;
the tail gas shunting module, the tail gas filtering module and the tail gas purifying module are sequentially connected through pipelines.
In one aspect, the tail gas diversion module comprises a diversion cover body, one end of the diversion cover body is connected with an exhaust port of the yeast fermentation system, and the other end of the diversion cover body is connected with a pipeline of the tail gas filtering module; wherein the flow distribution plate is arranged in the flow distribution cover body, the flow distribution plate comprises a first flow distribution plate and a second flow distribution plate, the first flow distribution plate is in a conical shape, the first flow distribution plate is arranged in the flow distribution cover body in the middle and is close to an exhaust port of the yeast fermentation system, the second flow distribution plate is arranged along the inner wall of the flow distribution cover body and is arranged in a staggered manner, and a draught fan is further arranged between the second flow distribution plate and an exhaust gas flow distribution module.
On one hand, the shunting cover body is in a round table shape, and the inner diameter of the shunting cover body gradually increases from the air inlet to the air outlet of the shunting module.
In one aspect, the first flow restriction plate is conical, the conical bottom of the first flow restriction plate faces the air inlet of the flow dividing module, the conical tip of the first flow restriction plate faces the air outlet of the flow dividing module, and the second flow restriction plate is annular, and the annular flow restriction plates are vertically arranged on the side wall of the flow dividing cover body.
On one hand, the junction of the shunting cover body and the exhaust port of the yeast fermentation system is further provided with a liquid collecting tank which is formed by inward folding, the bottom of the liquid collecting tank is further provided with a condensing pipe and a liquid outlet pipeline, and the liquid outlet pipeline is connected with a waste liquid collecting tank.
On the one hand, the tail gas filtering module comprises a molecular sieve filtering layer, an activated carbon filtering layer and an induced draft fan which are sequentially arranged.
In one aspect, the tail gas purification module includes alkalization spray module, oxidation spray module and washing module, the alkalization sprays the tail gas import of module and sets up its bottom, upwards is provided with a plurality of current-limiting plate one respectively in proper order, and alkalization spray module all arrange on the wall have the shower head, and oxidation spray module and alkalization spray module structure unanimously, the two spray liquid is different, wherein alkalization spray module's spray liquid adopts sodium hydroxide or potassium hydroxide solution, oxidation spray module's spray liquid adopts sodium hypochlorite solution or hydrogen peroxide solution, and washing module includes the washing pond, and the air inlet of connecting the washing module is located bottom of the pool lateral wall.
On one hand, a flow limiting cap is further arranged at the air inlet connected with the water washing module, the flow limiting cap is arranged at the end part of the air inlet, and a plurality of air outlets of the flow limiting cap are further formed in the side wall of the pipeline connected with the end part of the air inlet.
(III) advantageous effects
The utility model provides a yeast fermentation tail gas treatment device, which comprises a flow distribution module, wherein the trend and the flow velocity of the tail gas are controlled by flow distribution, water vapor in the tail gas is removed, and meanwhile, the molecular sieve and the active carbon are matched to adsorb harmful substances in the tail gas;
in order to increase the contact time of the tail gas and the spraying liquid, a first conical flow limiting plate is added in the alkalization spraying module and the oxidation spraying module, so that the flow speed of the tail gas in the spraying module is reduced;
and finally, a flow limiting cap is added at the air inlet of the washing pool to reduce the speed of the gas flowing out from the pipeline directly.
Drawings
FIG. 1 is a flow chart of an embodiment of the yeast fermentation tail gas treatment device of the present invention.
Detailed Description
The following describes the present invention in further detail with reference to examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Example 1
FIG. 1 shows the structure of the yeast fermentation tail gas treatment device of the present invention. This yeast fermentation tail gas processing apparatus, it links to each other with yeast fermentation system's gas vent, the device includes:
the tail gas shunting module 10 is used for shunting tail gas and controlling the trend of the tail gas;
the tail gas filtering module 20 is used for filtering tail gas;
the tail gas purification module 30 is used for alkalizing, oxidizing and washing the tail gas;
the tail gas shunting module 10, the tail gas filtering module 20 and the tail gas purifying module 30 are connected in sequence through pipelines.
Fig. 1 also discloses a structure diagram of the exhaust gas diversion module, which is as follows:
the tail gas shunting module 10 comprises a shunting cover body 1, wherein one end of the shunting cover body 1 is connected with an exhaust port of the yeast fermentation system, and the other end of the shunting cover body is connected with a pipeline of the tail gas filtering module 20; wherein at the inside flow distribution plate 2 that is provided with of the reposition of redundant personnel cover body 1, flow distribution plate 2 is including the restrictor plate one 3 that is the toper and be annular restrictor plate two 4, and restrictor plate one 3 arranges in the middle in the reposition of redundant personnel cover body 1 and is close to the gas vent of yeast fermentation system, and restrictor plate two 4 pastes the inner wall of the reposition of redundant personnel cover body and arranges and the two staggered arrangement, still arranges draught fan 5 between restrictor plate two 4 and tail gas reposition of redundant personnel module 10 gas outlets.
The shunting cover body 1 is in a round table shape, and the inner diameter of the shunting cover body gradually increases from the air inlet of the shunting module to the air outlet. The main reason of the design of the increased inner diameter is that the arrangement of the splitter plate reduces the gas flow speed, and the matching liquid collecting tank can collect a large amount of water vapor, so that the difference of the internal pressure of the upper part and the lower part of the splitter cover body is caused, the pressure from the end connected with the exhaust port of the yeast fermentation system to the splitter plate is large, the increased inner diameter can lead the pressure from the splitter plate to the air outlet of the splitter cover body to be small, the gas can migrate to the position with small pressure, and finally the tail gas can be rapidly guided to the next device by matching with the induced draft fan, so that the transport speed of the next device is,
the first flow limiting plate 3 is conical, the direction of the conical bottom faces the air inlet of the flow dividing module, the direction of the conical tip faces the direction of the air outlet of the flow dividing module, the second flow limiting plate 4 is annular, and the annular flow limiting plates are vertically arranged on the side wall of the flow dividing cover body 1. The diversion cover body is connected with an exhaust port of the yeast fermentation system in a pipeline connection mode and is connected with a pipeline joint in a sealing ring matching mode. The first flow limiting plate is arranged in the center of the flow dividing cover body in two modes, wherein one mode is that a connecting rod is arranged on the axis of the flow dividing cover body and is connected in a mode of forming a hole in the center of the first flow limiting plate and welding a hole, and the other mode is that a plurality of connecting rods are arranged on the periphery of the first flow limiting plate and are connected with the inner wall of the flow dividing cover body through the connecting rods. The first restrictor plate may be fixed to the inner wall of the flow dividing cover in various manners, such as by threads or welding.
The connecting part of the shunting cover body 1 and the exhaust port of the yeast fermentation system is further provided with a liquid collecting tank 6 which is formed by inward folding, the bottom of the liquid collecting tank 6 is further provided with a condensing pipe 7 and a liquid outlet pipeline, and the liquid outlet pipeline is connected with a waste liquid collecting tank 8.
In one aspect, the tail gas filtering module 20 includes a molecular sieve filtering layer 21, an activated carbon filtering layer 22 and an induced draft fan 5 which are sequentially arranged. Wherein the molecular sieve filtering layer adopts 13X molecular sieve, the aperture of the molecular sieve filtering layer is 10A, any molecule less than 10A is absorbed, and the molecular sieve filtering layer can be dehydrated, desulfurized and carbon dioxide. And the active carbon filter layer adopts conventional active carbon for filtering.
In one aspect, the tail gas purification module 30 includes alkalization spray module 31, oxidation spray module 32 and washing module 33, alkalization spray module 31's tail gas import sets up its bottom, upwards be provided with a plurality of current-limiting plate 3 respectively in proper order, and alkalization spray module 31 all arrange on the wall have shower head 34, and oxidation spray module 32 and alkalization spray module 31 structure unanimous, the two spray liquid is different, wherein alkalization spray module 31's spray liquid adopts sodium hydroxide or potassium hydroxide solution, oxidation spray module 32's spray liquid adopts sodium hypochlorite solution or hydrogen peroxide solution, and washing module 33 includes the washing pond, and the air inlet of connecting washing module 33 is located the pond bottom lateral wall.
In one aspect, a flow limiting cap 35 is further disposed at the air inlet connected to the water washing module 33, the flow limiting cap 35 is disposed at the end of the air inlet, and a plurality of flow limiting cap air outlets 36 are further disposed on the side wall of the pipeline connected to the end of the air inlet. The arrangement of the flow limiting cap enables tail gas to be prevented from directly coming out of the pipeline and to flow out of the gas outlet of the flow limiting cap on the side wall of the pipeline after being blocked by the flow limiting cap, and the flowing speed is greatly reduced.
As described above, the above embodiments are not limiting embodiments of the present invention, and modifications or equivalent variations made by those skilled in the art based on the substance of the present invention are within the technical scope of the present invention.
Claims (8)
1. Yeast fermentation tail gas processing apparatus, it links to each other with yeast fermentation system's gas vent, its characterized in that, the device includes:
the tail gas shunting module is used for shunting and condensing the tail gas and controlling the trend of the tail gas;
the tail gas filtering module is used for filtering tail gas;
the tail gas purification module is used for alkalifying, oxidizing and washing the tail gas;
the tail gas shunting module, the tail gas filtering module and the tail gas purifying module are sequentially connected through pipelines.
2. The yeast fermentation tail gas treatment device according to claim 1, wherein the tail gas diversion module comprises a diversion cover body, one end of the diversion cover body is connected with an exhaust port of the yeast fermentation system, and the other end of the diversion cover body is connected with a pipeline of the tail gas filtering module; wherein the flow distribution plate is arranged in the flow distribution cover body, the flow distribution plate comprises a first flow distribution plate and a second flow distribution plate, the first flow distribution plate is in a conical shape, the first flow distribution plate is arranged in the flow distribution cover body in the middle and is close to an exhaust port of the yeast fermentation system, the second flow distribution plate is arranged along the inner wall of the flow distribution cover body and is arranged in a staggered manner, and a draught fan is further arranged between the second flow distribution plate and an exhaust gas flow distribution module.
3. The yeast fermentation tail gas treatment device of claim 2, wherein the flow dividing cover body is in a circular truncated cone shape, and the inner diameter of the flow dividing cover body gradually increases from the air inlet to the air outlet of the flow dividing module.
4. The yeast fermentation tail gas treatment device of claim 2, wherein the first flow restriction plate is conical, the bottom of the cone faces the air inlet of the flow distribution module, the top of the cone faces the air outlet of the flow distribution module, and the second flow restriction plate is annular, and the annular flow restriction plates are vertically arranged on the side wall of the flow distribution cover body.
5. The yeast fermentation tail gas treatment device of claim 2, wherein the junction of the diversion cover body and the exhaust port of the yeast fermentation system is further provided with a liquid collecting tank which is formed by inward folding, the bottom of the liquid collecting tank is further provided with a condensing pipe and a liquid outlet pipeline, and the liquid outlet pipeline is connected with a waste liquid collecting tank.
6. The yeast fermentation tail gas processing apparatus of any one of claims 2 to 5, wherein the tail gas filtering module comprises a molecular sieve filtering layer, an activated carbon filtering layer and an induced draft fan which are arranged in sequence.
7. The yeast fermentation tail gas processing apparatus of claim 6, characterized in that, the tail gas purification module includes alkalization spray module, oxidation spray module and washing module, alkalization spray module's tail gas import sets up its bottom, upwards is provided with a plurality of current-limiting plate one respectively in proper order, and alkalization spray module has all arranged on the wall has the shower head, and oxidation spray module and alkalization spray module structure unanimous, the two spray solution is different, wherein alkalization spray module's spray solution adopts sodium hydroxide or potassium hydroxide solution, oxidation spray module's spray solution adopts sodium hypochlorite solution or hydrogen peroxide solution, and washing module includes the rinsing pond, and the air inlet of connecting the washing module is located the pond bottom of the pool lateral wall.
8. The yeast fermentation tail gas treatment device according to claim 7, characterized in that a flow limiting cap is further arranged at the air inlet connected with the water washing module, the flow limiting cap is arranged at the end part of the air inlet, and a plurality of air outlets of the flow limiting cap are further arranged on the side wall of the pipeline connected with the end part of the air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020736954.XU CN212523622U (en) | 2020-05-07 | 2020-05-07 | Yeast fermentation tail gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020736954.XU CN212523622U (en) | 2020-05-07 | 2020-05-07 | Yeast fermentation tail gas treatment device |
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| Publication Number | Publication Date |
|---|---|
| CN212523622U true CN212523622U (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020736954.XU Active CN212523622U (en) | 2020-05-07 | 2020-05-07 | Yeast fermentation tail gas treatment device |
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| CN (1) | CN212523622U (en) |
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2020
- 2020-05-07 CN CN202020736954.XU patent/CN212523622U/en active Active
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