CN211999667U - Fermentation cylinder tail gas processing apparatus - Google Patents
Fermentation cylinder tail gas processing apparatus Download PDFInfo
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- CN211999667U CN211999667U CN202020536845.3U CN202020536845U CN211999667U CN 211999667 U CN211999667 U CN 211999667U CN 202020536845 U CN202020536845 U CN 202020536845U CN 211999667 U CN211999667 U CN 211999667U
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- tail gas
- alkali liquor
- fermentation
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- alkali lye
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Abstract
The utility model belongs to the biochemical industry field, concretely relates to fermentation cylinder tail gas processing apparatus, be equipped with silk screen demister in the fermentation cylinder, fermentation cylinder top outlet duct is connected to the heat exchanger, the heat exchanger is connected to vapour and liquid separator, vapour and liquid separator is connected to the active carbon absorption jar, the outlet duct of active carbon absorption jar is connected to tail gas washing tower, the inside packing layer that is equipped with of tail gas washing tower, the packing layer top is provided with the alkali lye sprayer, the alkali lye sprayer passes through the alkali lye circulating pump by the alkali lye recovery jar and sprays alkali lye for its supply, the feed liquor pipe of alkali lye recovery jar is connected with the drain pipe of tail gas washing tower bottom, alkali lye recovery jar fluid infusion pipe is connected to alkali lye supply tank through. The fermentation tank tail gas treatment device can be used for safely and efficiently separating, absorbing and washing acidic tail gas generated in the biochemical fermentation process, and effectively removing living bacteria and harmful substances in tail gas discharged by a fermentation tank.
Description
Technical Field
The utility model belongs to the biochemical industry field, concretely relates to fermentation cylinder tail gas processing apparatus.
Background
In the fermentation process of biochemical engineering, a fermentation tank inevitably discharges a certain amount of acidic tail gas, so that living bacteria and harmful substances in the tail gas discharged from the fermentation tank are effectively removed, and the fermentation tank is one of key factors for ensuring safety in the production process of biological aerobic fermentation. And carry a large amount of liquid foam in the tail gas, if handle improperly, will take a large amount of liquid foam away certainly, can cause the pollution of environment on the one hand, on the other hand probably causes the fermentation contamination, influences biochemical industry product quality. With the application of strains with high acid production and high conversion rate, the ventilation quantity is larger and larger, the sensitivity and the infectivity of the strains are increased, and the requirements on the surrounding environment are very strict. Therefore, the high-efficiency and safe tail gas treatment system is a reliable guarantee for product quality and environmental protection in the biological aerobic fermentation production. The kaolin and limestone commonly used in the production of calcium aluminate are taken as raw materials, mixed and ground according to a certain proportion, then calcined at high temperature to form sinter, and finally ground to obtain the finished product. A large amount of sulfur-containing flue gas is generated in the production process of calcium aluminate, the direct evacuation can cause serious pollution to the atmosphere, the environmental protection requirement of industrial waste gas emission is not met, and a desulfurizing tower is required for tail gas treatment. However, the sulfur-containing flue gas is directly sent to the desulfurizing tower, and the gas velocity of the high-temperature and high-pressure flue gas is too fast, so that the desulfurizing effect is not ideal, and the industrial waste gas emission standard is difficult to achieve, so that the desulfurizing tower needs to be repeatedly desulfurized for many times, equipment and energy are wasted, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to the above situation, the utility model provides a safe efficient fermentation cylinder tail gas processing apparatus.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a fermentation cylinder tail gas processing apparatus, includes the fermentation cylinder, the jar interior upper portion of fermentation cylinder is provided with the bubble removal ware, and fermentation cylinder top outlet duct is connected to the heat exchanger, the outlet duct of heat exchanger is connected to vapour and liquid separator, vapour and liquid separator's outlet duct is connected to the active carbon absorption jar, the outlet duct of active carbon absorption jar is connected to tail gas washing tower bottom intake pipe, the inside packing layer that is provided with of tail gas washing tower, the packing layer top is provided with the alkali lye spray thrower, the alkali lye spray thrower passes through the alkali lye circulating pump by the alkali lye recovery jar and sprays alkali lye for its supply, the feed liquor pipe of alkali lye recovery jar is connected with the drain pipe of tail gas washing tower bottom, and the fluid infusion pipe.
Preferably, the foam remover adopts a stainless steel wire mesh foam remover, so that foam generated by fermentation in the fermentation tank is eliminated, and the phenomenon of liquid escape caused by fermentation liquid foam is reduced as much as possible.
Preferably, the packing layer adopts plastic polyhedral hollow ball packing, increases the contact area with acid tail gas in the dropping process of the sprayed alkali liquor, and improves the tail gas treatment efficiency of the tail gas washing tower.
Preferably, the heat exchanger adopts a tubular heat exchanger and is used for recycling heat carried in the fermentation tail gas, so that heat energy loss is saved, and the influence of the heat of the discharged tail gas on the environment is reduced.
Preferably, the bottom of lye recovery tank is provided with the PH detector, and the on-line measuring sprays the PH value of lye, crosses when low when the PH value, in time starts lye dispensing pump and supplyes lye, carries out the dispensing to spraying lye PH value to guarantee the tail gas washing tower to the neutralization absorbing capacity of acid tail gas.
The utility model discloses still including other subassemblies that can make its normal use, be the conventional technical means in this field, in addition, the utility model discloses in add not limited device or subassembly, for example: all connecting pipelines, pipeline valves, pipeline meters and the like are arranged conventionally in the field.
The utility model has the advantages as follows:
this fermentation cylinder tail gas processing apparatus can carry out safe efficient separation, absorption and washing treatment to the acid tail gas that biochemical engineering fermentation process produced, carries out effectual the getting rid of to living thalli and harmful substance in the fermentation cylinder emission tail gas, has solved the problem that the fermentation that fermentation tail gas probably caused infects fungus and environmental pollution well, provides safe and reliable's guarantee for the product quality and the environmental protection of biological aerobic fermentation production.
Drawings
FIG. 1 is a schematic structural diagram of a fermentation tank tail gas treatment device in the embodiment.
Detailed Description
The technical solution of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments.
Examples
As shown in figure 1, the fermentation tank tail gas treatment device comprises a fermentation tank 1, a bubble removing device 2 is arranged at the upper part in the fermentation tank 1, a gas outlet pipe at the top part of the fermentation tank 1 is connected to a heat exchanger 3, the air outlet pipe of the heat exchanger 3 is connected to a gas-liquid separator 4, the air outlet pipe of the gas-liquid separator 4 is connected to an active carbon absorption tank 5, an air outlet pipe of the active carbon absorption tank 5 is connected to an air inlet pipe at the bottom of the tail gas washing tower 6, a packing layer 7 is arranged inside the tail gas washing tower 6, an alkali liquor sprayer 8 is arranged above the packing layer 7, the alkali liquor sprayer 8 is supplied with spraying alkali liquor from an alkali liquor recovery tank 9 through an alkali liquor circulating pump 10, the liquid inlet pipe of the alkali liquor recovery tank 9 is connected with the liquid outlet pipe at the bottom of the tail gas washing tower 6, and the liquid supplementing pipe of the alkali liquor recovery tank 9 is connected to the alkali liquor supply tank 12 through an alkali liquor adjusting pump 11.
The gas-liquid separator 4 is used for separating micro liquid drops and liquid foam carried in the tail gas of the fermentation tank 1 at one time, so that the treatment efficiency and effect of subsequent equipment on the fermentation tail gas are improved.
The activated carbon absorption tank 5 is used for carrying out activated carbon adsorption on harmful substances such as live bacteria and the like and acid odor in the tail gas of the fermentation tank 1, so that the risk of fermentation contamination and environmental odor pollution are reduced.
The foam remover 2 adopts a stainless steel wire mesh foam remover to remove foam generated by fermentation in the fermentation tank 1, and the phenomenon of liquid escape caused by fermentation liquid foam is reduced as much as possible.
The packing layer 7 adopts plastic polyhedral hollow ball packing, increases the contact area with acidic tail gas in the falling process of the spraying alkali liquor, improves the tail gas treatment efficiency of the tail gas washing tower 6, and in addition, the alkali liquor can destroy the acidic environment in which live bacteria live in the fermented tail gas live, so the alkali liquor also has the sterilization effect.
The heat exchanger 3 adopts a tube type heat exchanger and is used for recycling heat carried in fermentation tail gas, so that heat energy loss is saved, and the influence of the heat of the discharged tail gas on the environment is reduced.
The alkali liquor recovery tank 9 bottom is provided with PH detector 13, and the on-line measuring sprays the pH value of alkali liquor, crosses when low when the pH value, in time starts alkali liquor adjustment pump 11 and supplyes alkali liquor, carries out the adjustment to spraying alkali liquor pH value to guarantee the tail gas scrubbing tower 6 to the neutralization absorbing capacity of acid tail gas.
The technical solution of the present invention is not limited to the above-mentioned specific embodiments, and many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.
Claims (5)
1. The utility model provides a fermentation cylinder tail gas processing apparatus, includes fermentation cylinder (1), its characterized in that: a bubble removing device (2) is arranged at the upper part in the fermentation tank (1), an air outlet pipe at the top of the fermentation tank (1) is connected to a heat exchanger (3), an air outlet pipe of the heat exchanger (3) is connected to a gas-liquid separator (4), an air outlet pipe of the gas-liquid separator (4) is connected to an active carbon absorption tank (5), the air outlet pipe of the active carbon absorption tank (5) is connected to the air inlet pipe at the bottom of the tail gas washing tower (6), a packing layer (7) is arranged inside the tail gas washing tower (6), an alkali liquor sprayer (8) is arranged above the packing layer (7), the alkali liquor sprayer (8) is supplied with spraying alkali liquor from an alkali liquor recovery tank (9) through an alkali liquor circulating pump (10), the liquid inlet pipe of the alkali liquor recovery tank (9) is connected with the liquid outlet pipe at the bottom of the tail gas washing tower (6), and the liquid supplementing pipe of the alkali liquor recovery tank (9) is connected to the alkali liquor supply tank (12) through an alkali liquor adjusting pump (11).
2. The fermentation tank tail gas treatment device of claim 1, characterized in that: the foam remover (2) is a stainless steel wire mesh foam remover.
3. The fermentation tank tail gas treatment device of claim 1, characterized in that: the packing layer (7) is a plastic multi-surface hollow ball packing layer.
4. The fermentation tank tail gas treatment device of claim 1, characterized in that: the heat exchanger (3) is a shell and tube heat exchanger.
5. The fermentation tank tail gas treatment device of claim 1, characterized in that: and a PH detector (13) is arranged at the bottom of the alkali liquor recovery tank (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020536845.3U CN211999667U (en) | 2020-04-13 | 2020-04-13 | Fermentation cylinder tail gas processing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020536845.3U CN211999667U (en) | 2020-04-13 | 2020-04-13 | Fermentation cylinder tail gas processing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211999667U true CN211999667U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020536845.3U Active CN211999667U (en) | 2020-04-13 | 2020-04-13 | Fermentation cylinder tail gas processing apparatus |
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| CN (1) | CN211999667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112827332A (en) * | 2021-01-08 | 2021-05-25 | 宁夏首朗吉元新能源科技有限公司 | Non-condensable gas treatment device and method for distillation system |
-
2020
- 2020-04-13 CN CN202020536845.3U patent/CN211999667U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112827332A (en) * | 2021-01-08 | 2021-05-25 | 宁夏首朗吉元新能源科技有限公司 | Non-condensable gas treatment device and method for distillation system |
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