CN217418690U - Ethanol production system - Google Patents
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- CN217418690U CN217418690U CN202220970758.8U CN202220970758U CN217418690U CN 217418690 U CN217418690 U CN 217418690U CN 202220970758 U CN202220970758 U CN 202220970758U CN 217418690 U CN217418690 U CN 217418690U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Abstract
The utility model provides an ethanol production system, which comprises a compressor, the compressor has gaseous pretreatment mechanism through the pipe connection, gaseous pretreatment mechanism has fermentation mechanism through the pipe connection, fermentation mechanism has nutrient solution delivery pipe through the pipe connection, fermentation mechanism has the tail gas absorption tower through the pipe connection. The utility model discloses in, come from alcohol and mycoprotein that the ripe mash of mash jar contained in the fermentation mechanism, through thick distillation tower negative pressure low temperature extract the mash after the alcohol, get into centrifuge through fungus distilled water pipe is stable in succession, through high-speed centrifugation with the material concentration, clear solution after the centrifugation enters into the clear solution jar, centrifugal concentrate carries out spray drying through the spray drier and makes the albumen powder that moisture is less than 12%, albumen powder passes through the pipeline and gets into the albumen powder collection tank, can sell as protein feed raw materials, make it can realize the make full use of to the raw materials, realize economic benefits's promotion.
Description
Technical Field
The utility model relates to an ethanol production field especially relates to an ethanol production system.
Background
In the prior art, the traditional fermentation method for producing alcohol can be used for producing alcohol, raw materials can be divided into starch, sugar and fiber, the fiber raw materials cannot realize industrial large-scale production in a short period because a plurality of technical and cost problems are not solved, the starch raw materials comprise corn, wheat, sorghum, sweet potato, cassava and the like, and the sugar raw materials comprise sugar waste honey, sugarcane, sweet sorghum and the like. Regardless of the raw material, the planting area of the raw material with a large area can not be kept. In the process of using the ethanol production system, the existing ethanol production system in the current market often has two defects when in use, firstly, the existing ethanol production system often can not realize avoiding the dependence of raw materials on the land when in use, and secondly, the existing ethanol production system often can not realize the full utilization of the raw materials when in use, thereby improving the economic benefit.
Therefore, it is necessary to develop an ethanol production system for solving at least one of the above-mentioned technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an ethanol production system can avoid the dependence of raw materials to the soil when using, and can realize realizing economic benefits's promotion to the make full use of raw materials.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides an ethanol production system, which comprises a compressor, wherein the compressor is connected with a gas pretreatment mechanism through a pipeline, the gas pretreatment mechanism is connected with a fermentation mechanism through a pipeline, the fermentation mechanism is connected with a nutrient solution delivery pipe through a pipeline, the fermentation mechanism is connected with a tail gas absorption tower through a pipeline, the fermentation mechanism is connected with a distillation mechanism through a pipeline, the distillation mechanism is connected with a feed processing mechanism through a pipeline, and the feed processing mechanism is connected with a fusel oil collection tank through a pipeline;
the gas pretreatment mechanism further comprises a preheater, the other end of the preheater is connected with an electric heater and a cooler through pipelines, the electric heater is connected with a deoxygenation tower through a pipeline, the deoxygenation tower is connected with the preheater through a pipeline, the cooler is connected with a gas-liquid separation tank through a pipeline, the gas-liquid separation tank is connected with a precision filter through a pipeline, and the precision filter is connected with a tail gas emission tower through a pipeline;
by the technical scheme, industrial tail gas of a steel plant can enter the compressor through a pipeline, the tail gas can be compressed through the compressor, the industrial tail gas enters the compression unit and is pressurized to 600-700kPaG, the compressed gas enters the preheater, the industrial tail gas of the steel plant is preheated through the preheater and is subjected to heat exchange with purified gas after a deoxidation reaction, so that heat is comprehensively utilized, when the oxygen content of the industrial tail gas of the steel plant is low, an electric heater is required to perform appropriate temperature compensation to meet the deoxidation requirement, the industrial tail gas can be deoxidized through the deoxidation tower, the oxygen content of the industrial tail gas after the deoxidation is less than 100ppm, the industrial tail gas can be subjected to heat recovery and water cooling through the cooler, the cooled industrial tail gas enters the gas-liquid separation tank and can be subjected to gas-liquid separation through the gas-liquid separation tank, and the gas-liquid separated gas is sent to two precision filters for dust removal, two smart filters are opened one and are equipped with one, can filter gas through the precision filter, and the gas after the filtration passes through the exhaust emission tower and sends to fermentation mechanism.
Furthermore, the fermentation mechanism also comprises a production water conveying pipe, wherein the production water conveying pipe is fixedly connected with a first fermentation tank, the first fermentation tank is connected with a tail gas discharge tower through a pipeline, the tail gas discharge tower is connected with a seed tank through a pipeline, the seed tank is connected with a first fermentation tank through a pipeline, the tail gas discharge tower is connected with a second fermentation tank through a pipeline, and the second fermentation tank is connected with a bacteria solution tank through a pipeline;
through the technical scheme, gas purified by the gas pretreatment mechanism enters the seed tank, the first fermentation tank and the second fermentation tank through the tail gas discharge tower to provide a carbon source required by thallus metabolism for the second fermentation tank and the first fermentation tank, dry powder spawn is inoculated into the seed tank for activation and two-stage propagation culture, after reaching a certain spawn concentration and volume, the dry powder spawn is inoculated into the second fermentation tank and the first fermentation tank, in the second fermentation tank and the first fermentation tank, the environment where liquid phase is contacted with process gas can enable a biocatalyst to grow, the bacteria can convert carbon monoxide in the process gas into ethanol and other metabolites in the liquid phase and simultaneously generate carbon dioxide and biomass, the first fermentation tank mainly maintains the spawn in a healthy state and continuously and stably provides healthy spawn for the second fermentation tank, in the second fermentation tank, the thallus further converts CO and acetic acid into ethanol, and controlling the thallus concentration through a filter membrane, producing ethanol as much as possible while maintaining the stable operation of the fermentation tank II, enabling the bacteria liquid to enter the bacteria liquid tank through a pipeline, enabling a penetrating fluid passing through the filter membrane to enter a clear liquid tank, meanwhile, sending a mash containing bacteria into the mash liquid tank, keeping the liquid level and the thallus concentration of the whole system in a stable state by controlling the flow of the penetrating fluid and the mash, independently controlling the fermentation tank II and the fermentation tank I through an adjusting valve on a tail gas pipeline, enabling fermentation tail gas to enter a tail gas absorption tower through a pipeline, enabling the tail gas in the tail gas absorption tower to be in countercurrent contact with washing water, and eluting and recovering the ethanol in the tail gas.
Further, the feed processing mechanism also comprises a bacteria-containing distilled water conduit, the bacteria-containing distilled water conduit is connected with a centrifuge through a pipeline, the centrifuge is connected with a clear liquid tank and a spray dryer through a pipeline, and the spray dryer is connected with a protein powder collecting tank and a tail gas discharge tower through a pipeline;
through above-mentioned technical scheme, come from alcohol and mycoprotein that the ripe mash of mash jar contains among the fermentation mechanism, through thick distillation tower negative pressure low temperature extract the mash after the alcohol, through the continuous stable entering centrifuge of fungus distilled water pipe, concentrate the material through high-speed centrifugation, clear solution after the centrifugation enters into the clear solution jar, the centrifugal concentrate carries out spray drying through the spray drier and makes the albumen powder that moisture is less than 12%, albumen powder passes through the pipeline and gets into the albumen powder collection tank, can sell as protein feed raw materials.
Furthermore, the distillation mechanism also comprises a first crude distillation tower, one end of the first crude distillation tower is connected with a bacteria solution tank through a pipeline, the other end of the first crude distillation tower is connected with a first rectification tower through a pipeline, the first rectification tower is fixedly connected with a steam pipe, the first rectification tower is connected with a second crude distillation tower through a pipeline, and the second crude distillation tower is connected with a second rectification tower through a pipeline;
through the technical scheme, the inside fungus liquid of fungus liquid jar and the inside clear solution of clear solution jar enter into two sets of thick tower of distilling respectively inside through the pipeline, can carry out thick distillation to it through thick tower of distilling, fungus liquid after the thick distillation passes through inside the pipeline enters into rectifying column, can add thermal distillation to rectifying column one through the inside steam of steam pipe, can carry out redistillation to fungus liquid and clear solution through thick tower two and rectifying column two, the ethanol of fungus liquid distillation goes out passes through the pipeline and gets into fuel ethanol collection tank through molecular sieve tower and stores, clear solution is through the clarification of clarification tank after distilling alcohol back cauldron liquid recovery heat, get into the water storage tank and wait for the retrieval and utilization.
Further, the preheater is communicated with a compressor through a pipeline, and the compressor is communicated with an industrial tail gas conveying pipe;
through the technical scheme, the industrial tail gas of the steel plant can enter the compressor through the industrial tail gas conveying pipe, the tail gas can be compressed through the compressor, the industrial tail gas enters the compression unit and is pressurized to 600-plus-700 kPaG, the compressed gas enters the preheater, the industrial tail gas of the steel plant is preheated through the preheater, and the industrial tail gas and the purified gas after the deoxidation reaction are subjected to heat exchange to comprehensively utilize heat.
Further, the tail gas emission tower is connected with a first fermentation tank through a pipeline, and the first fermentation tank is connected with a second fermentation tank through a pipeline;
through above-mentioned technical scheme, the gas after purifying through gas pretreatment mechanism passes through the exhaust emissions tower and gets into the seedtank and fermentation cylinder one and fermentation cylinder two inside, provides the required carbon source of thallus metabolism for fermentation cylinder two and fermentation cylinder one.
Furthermore, the second fermentation tank is connected with a clear liquid tank through a pipeline, and a filtering membrane is arranged between the second fermentation tank and the clear liquid tank;
according to the technical scheme, in the second fermentation tank, the bacteria further convert CO and acetic acid into ethanol, the concentration of the bacteria is controlled through the filtering membrane, the ethanol is produced as much as possible while the stable operation of the second fermentation tank is maintained, the bacteria liquid enters the bacteria liquid tank through the pipeline, and the penetrating fluid passing through the filtering membrane enters the clear liquid tank.
Further, the two ends of the rectifying tower are connected with a clear liquid tank through pipelines;
through the technical scheme, the clear liquid in the clear liquid tank enters the two rectifying towers II through the pipelines respectively, and the clear liquid can be distilled again through the rectifying towers II.
Furthermore, the two ends of the rectifying tower are connected with a molecular sieve tower through pipelines, and the molecular sieve tower is connected with a fuel ethanol collecting tank through a pipeline.
Through above-mentioned technical scheme, can carry out redistillation to fungus liquid and clear liquid through rough distillation tower two and rectifying column two, the ethanol that the fungus liquid distills passes through the pipeline and gets into fuel ethanol collection tank through the molecular sieve tower and store.
Further, the two ends of the rectifying tower are connected with a clarifying tank through pipelines, and the clarifying tank is connected with a water storage tank through a pipeline.
Through above-mentioned technical scheme, can carry out redistillation to fungus liquid and clear liquid through rough distillation tower two and rectifying column two, the clear liquid is through clarifying tank clarification after the cauldron liquid recovery heat behind the distillation alcohol, gets into the water storage tank and waits for the retrieval and utilization
The utility model has the characteristics and advantages that:
1. in the utility model, the gas purified by the gas pretreatment mechanism enters the seed tank and the first fermentation tank and the second fermentation tank through the tail gas discharge tower, a carbon source required by the metabolism of the bacteria is provided for the second fermentation tank and the first fermentation tank, the dry powder bacteria is accessed into the seed tank for activation and two-stage expanding culture, after reaching a certain bacteria concentration and volume, the dry powder bacteria is accessed into the second fermentation tank and the first fermentation tank, the environment where the liquid phase is contacted with the process gas can lead the growth of the biocatalyst, the bacteria can convert the carbon monoxide in the process gas into ethanol and other metabolites in the liquid phase, carbon dioxide and biomass are generated simultaneously, the first fermentation tank mainly maintains the bacteria in a healthy state, the healthy bacteria is continuously and stably provided for the second fermentation tank, in the second fermentation tank, the bacteria further convert CO and acetic acid into ethanol, the method can avoid the dependence of raw materials on land and realize the development requirement of 'no competing for grains with people and no competing for land with grains'.
2. The utility model discloses in, come from alcohol and mycoprotein that the ripe mash of mash jar contained in the fermentation mechanism, through thick distillation tower negative pressure low temperature extract the mash after the alcohol, get into centrifuge through fungus distilled water pipe is stable in succession, through high-speed centrifugation with the material concentration, clear solution after the centrifugation enters into the clear solution jar, centrifugal concentrate carries out spray drying through the spray drier and makes the albumen powder that moisture is less than 12%, albumen powder passes through the pipeline and gets into the albumen powder collection tank, can sell as protein feed raw materials, make it can realize the make full use of to the raw materials, realize economic benefits's promotion.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a flow diagram of an ethanol production system according to the present invention;
FIG. 2 is a schematic structural view of a gas pretreatment mechanism of an ethanol production system according to the present invention;
FIG. 3 is a schematic view of a fermentation mechanism of an ethanol production system according to the present invention;
FIG. 4 is a schematic structural view of a feed processing mechanism of an ethanol production system according to the present invention;
FIG. 5 is a schematic view of the distillation mechanism of the ethanol production system according to the present invention
The reference numbers illustrate:
1. a compressor; 2. a gas pretreatment mechanism; 201. a preheater; 202. an electric heater; 203. a deoxygenation tower; 204. a cooler; 205. a gas-liquid separation tank; 206. a precision filter; 207. a tail gas discharge tower; 3. a fermentation mechanism; 301. a production water delivery pipe; 302. a strain tank; 303. a second fermentation tank; 304. a first fermentation tank; 305. a seed tank; 306. a filtration membrane; 307. a clear liquid tank; 4. a nutrient solution delivery pipe; 5. a fuel ethanol collection tank; 6. a fusel oil collection tank; 7. a feed processing mechanism; 701. a centrifuge; 702. a spray dryer; 703. a bacteria-containing distilled water conduit; 8. a protein powder collecting tank; 9. a distillation mechanism; 901. a steam pipe; 902. a first rectifying tower; 903. a second crude distillation tower; 904. a first crude distillation tower; 905. a molecular sieve column; 906. a second rectifying tower; 10. a water storage tank; 11. a clarifying tank; 12. a tail gas absorption tower.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The first embodiment is as follows:
referring to fig. 1-5, the present invention provides an embodiment: an ethanol production system comprises a compressor 1, wherein the compressor 1 is connected with a gas pretreatment mechanism 2 through a pipeline, the gas pretreatment mechanism 2 is connected with a fermentation mechanism 3 through a pipeline, the fermentation mechanism 3 is connected with a nutrient solution delivery pipe 4 through a pipeline, the fermentation mechanism 3 is connected with a tail gas absorption tower 12 through a pipeline, the fermentation mechanism 3 is connected with a distillation mechanism 9 through a pipeline, the distillation mechanism 9 is connected with a feed processing mechanism 7 through a pipeline, and the feed processing mechanism 7 is connected with a fusel oil collection tank 6 through a pipeline; the gas pretreatment mechanism 2 further comprises a preheater 201, the other end of the preheater 201 is connected with an electric heater 202 and a cooler 204 through a pipeline, the electric heater 202 is connected with a deoxygenation tower 203 through a pipeline, the deoxygenation tower 203 is connected with the preheater 201 through a pipeline, the cooler 204 is connected with a gas-liquid separation tank 205 through a pipeline, the gas-liquid separation tank 205 is connected with a precision filter 206 through a pipeline, and the precision filter 206 is connected with a tail gas discharge tower 207 through a pipeline.
When the device is used, industrial tail gas of a steel mill can enter the compressor 1 through a pipeline, the tail gas can be compressed through the compressor 1, the industrial tail gas enters the compression unit and is pressurized to 600-700kPaG, the compressed gas enters the preheater 201, the industrial tail gas of the steel mill is preheated through the preheater 201, heat exchange is carried out with purified gas after deoxidation reaction, heat comprehensive utilization is carried out, when the oxygen content of the industrial tail gas of the steel mill is low, an electric heater 202 is required to carry out proper temperature compensation to meet the deoxidation requirement, the industrial tail gas can be deoxidized through the deoxidation tower 203, the oxygen content of the industrial tail gas after deoxidation is less than 100ppm, heat recovery and water cooling can be carried out on the industrial tail gas through the cooler 204, the cooled industrial tail gas enters the gas-liquid separation tank 205, gas-liquid separation can be carried out on the industrial tail gas-liquid separation tank 205, the gas-liquid separation is sent to two precision filters 206 for dust removal, the two fine filters are opened and prepared, the gas can be filtered by the fine filter 206, and the filtered gas is sent to the fermentation mechanism 3 through the tail gas exhaust tower 207.
The second embodiment:
referring to fig. 1 to 3, the present embodiment is based on the structural arrangement disclosed in the above embodiments: the fermentation mechanism 3 further comprises a production water conveying pipe 301, the production water conveying pipe 301 is fixedly connected with a first fermentation tank 304, the first fermentation tank 304 is connected with a tail gas discharge tower 207 through a pipeline, the tail gas discharge tower 207 is connected with a seed tank 305 through a pipeline, the seed tank 305 is connected with a first fermentation tank 304 through a pipeline, the tail gas discharge tower 207 is connected with a second fermentation tank 303 through a pipeline, the second fermentation tank 303 is connected with a bacteria liquid tank 302 through a pipeline, gas purified through the gas pretreatment mechanism 2 enters the seed tank 305, the first fermentation tank 304 and the second fermentation tank 303 through the tail gas discharge tower 207 to provide a carbon source required by bacteria metabolism for the second fermentation tank 303 and the first fermentation tank 304, dry powder bacteria is inoculated into the seed tank 305 for activation and two-stage culture expansion, after reaching a certain bacteria concentration and volume, is inoculated into the second fermentation tank 303 and the first fermentation tank 304, in the second fermentation tank 303 and the first fermentation tank 304, the environment that the liquid phase contacts with the process gas can enable biocatalyst bacteria to grow, the bacteria can convert carbon monoxide in the process gas into ethanol and other metabolites in the liquid phase, carbon dioxide and biomass are generated simultaneously, the first fermentation tank 304 mainly maintains the strains in a healthy state and continuously and stably provides healthy strains for the second fermentation tank 303, in the second fermentation tank 303, the strains further convert CO and acetic acid into ethanol, the concentration of the strains is controlled through a filter membrane 306, ethanol is produced as much as possible while the stable operation of the second fermentation tank 303 is maintained, the bacteria liquid enters the bacteria liquid tank 302 through a pipeline, the penetrating fluid enters a clear liquid tank 307 through the filter membrane 306, simultaneously a strand of mash liquid containing the bacteria is sent into the mash liquid tank, the liquid level and the concentration of the bacteria in the whole system are kept in a stable state by controlling the flow of the penetrating fluid and the mash liquid, the second fermentation tank 303 and the first fermentation tank 304 are independently controlled through a regulating valve on a tail gas pipeline, the fermentation tail gas enters a tail gas absorption tower 12 through a pipeline, and the tail gas is in countercurrent contact with washing water in the tail gas absorption tower 12 to elute and recover the ethanol in the tail gas.
Example three:
referring to fig. 1 to 5, the present embodiment is based on the structural arrangement disclosed in the above embodiments: the feed processing mechanism 7 also comprises a bacteria-containing distilled water conduit 703, the bacteria-containing distilled water conduit 703 is connected with a centrifuge 701 through a pipeline, the centrifuge 701 is connected with a clear solution tank 307 and a spray dryer 702 through a pipeline, the spray dryer 702 is connected with a protein powder collecting tank 8 and a tail gas discharge tower 207 through a pipeline, alcohol and mycoprotein contained in mature mash from the mash tank in the fermentation mechanism 2, mash after alcohol is extracted at low temperature under negative pressure through a crude distillation tower 904, the mash continuously and stably enters the centrifuge 701 through the bacteria distilled water conduit 703, materials are concentrated through high-speed centrifugation, clear solution after centrifugation enters the clear solution tank 307, centrifugal concentrated solution is spray-dried through the spray dryer 702 to prepare protein powder with the water content of less than 12 percent, the protein powder enters the protein powder collecting tank 8 through a pipeline and can be sold as protein feed raw materials, the distillation mechanism 9 also comprises a crude distillation tower 904, one end of the crude distillation tower 904 is connected with a bacteria solution tank 302 through a pipeline, the other end of the first rough distillation tower 904 is connected with a first rectifying tower 902 through a pipeline, the first rectifying tower 902 is fixedly connected with a steam pipe 901, the first rectifying tower 902 is connected with a second rough distillation tower 903 through a pipeline, the second rough distillation tower 903 is connected with a second rectifying tower 906 through a pipeline, the bacteria liquid in the bacteria liquid tank 302 and the clear liquid in the clear liquid tank 307 enter the first two groups of rough distillation towers 904 respectively through pipelines, the rough distillation can be carried out on the bacteria liquid through the first rough distillation tower 904, the bacteria liquid after the rough distillation enters the first rectifying tower 902 through a pipeline, the steam in the steam pipe 901 can carry out heating distillation on the first rectifying tower 902, the bacteria liquid and the clear liquid can be distilled again through the second rough distillation tower 903 and the second rectifying tower 906, the ethanol distilled from the bacteria liquid enters the fuel ethanol collecting tank 5 through a pipeline and a molecular sieve tower 905 for storage, the clear liquid is clarified through a clarifying tank 11 after the heat is recovered from the distilled ethanol, entering a water storage tank 10 for recycling, a preheater 201 is communicated with a compressor 1 through a pipeline, the compressor 1 is communicated with an industrial tail gas conveying pipe, industrial tail gas of a steel plant can enter the compressor 1 through the industrial tail gas conveying pipe, the tail gas can be compressed through the compressor 1, the industrial tail gas enters a compression unit and is pressurized to 600-, the second fermentation tank 303 is connected with a clear liquid tank 307 through a pipeline, a filtering membrane 306 is arranged between the second fermentation tank 303 and the clear liquid tank 307, in the second fermentation tank 303, CO and acetic acid are further converted into ethanol by thalli, the thalli concentration is controlled by the filtering membrane 306, ethanol is produced as much as possible while the stable operation of the second fermentation tank 303 is maintained, bacteria liquid enters the bacteria liquid tank 302 through a pipeline, penetrating liquid passing through the filtering membrane 306 enters the clear liquid tank 307, a second rectification tower 906 is connected with the clear liquid tank 307 through a pipeline, clear liquid in the clear liquid tank 307 respectively enters the two rectification towers 906 through pipelines, the clear liquid can be redistilled through the second rectification tower 906, the second rectification tower 906 is connected with a molecular sieve tower 905 through a pipeline, the molecular sieve tower 905 is connected with a fuel ethanol collecting tank 5 through a pipeline, and the bacteria liquid and the clear liquid can be redistilled through the second rectification tower 903 and the second rectification tower 906, the ethanol that the fungus liquid distilled out passes through the pipeline and gets into fuel ethanol collection tank 5 through molecular sieve tower 905 and stores, and rectifying column two 906 have clarification tank 11 through the pipe connection, and clarification tank 11 has water storage tank 10 through the pipe connection, can distill once more with the clear solution through crude distillation column two 903 and rectifying column two 906, and the clear solution is through clarifying tank 11 clarification after distilling alcohol back cauldron liquid recovery heat, gets into water storage tank 10 and waits for the retrieval and utilization.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An ethanol production system, comprising: the device comprises a compressor (1), wherein the compressor (1) is connected with a gas pretreatment mechanism (2) through a pipeline, the gas pretreatment mechanism (2) is connected with a fermentation mechanism (3) through a pipeline, the fermentation mechanism (3) is connected with a nutrient solution conveying pipe (4) through a pipeline, the fermentation mechanism (3) is connected with a tail gas absorption tower (12) through a pipeline, the fermentation mechanism (3) is connected with a distillation mechanism (9) through a pipeline, the distillation mechanism (9) is connected with a feed processing mechanism (7) through a pipeline, and the feed processing mechanism (7) is connected with a fusel oil collecting tank (6) through a pipeline;
the gas pretreatment mechanism (2) still includes pre-heater (201), pre-heater (201) other end has electric heater (202) and cooler (204) through the pipe connection, electric heater (202) have deoxidation tower (203) through the pipe connection, deoxidation tower (203) have pre-heater (201) through the pipe connection, cooler (204) have gas-liquid separation jar (205) through the pipe connection, gas-liquid separation jar (205) have precision filter (206) through the pipe connection, precision filter (206) have exhaust emission tower (207) through the pipe connection.
2. The ethanol production system of claim 1, wherein: fermentation mechanism (3) still include production water conveyer pipe (301), production water conveyer pipe (301) fixedly connected with fermentation cylinder (304), fermentation cylinder (304) have exhaust emission tower (207) through the pipe connection, exhaust emission tower (207) have dona tub (305) through the pipe connection, dona tub (305) have fermentation cylinder (304) through the pipe connection, exhaust emission tower (207) have fermentation cylinder two (303) through the pipe connection, fermentation cylinder two (303) have fungus liquid jar (302) through the pipe connection.
3. The ethanol production system of claim 1, wherein: the feed processing mechanism (7) further comprises a bacterium-containing distilled water guide pipe (703), the bacterium-containing distilled water guide pipe (703) is connected with a centrifuge (701) through a pipeline, the centrifuge (701) is connected with a clear liquid tank (307) and a spray dryer (702) through a pipeline, and the spray dryer (702) is connected with a protein powder collecting tank (8) and a tail gas discharge tower (207) through a pipeline.
4. The ethanol production system of claim 1, wherein: distillation mechanism (9) still include crude distillation tower (904), there is fungus fluid reservoir (302) crude distillation tower (904) one end through the pipe connection, there is rectifying column one (902) the other end of crude distillation tower (904) through pipe connection, rectifying column one (902) fixedly connected with steam pipe (901), there are crude distillation tower two (903) rectifying column one (902) through pipe connection, there are rectifying column two (906) crude distillation tower two (903) through pipe connection.
5. The ethanol production system of claim 1, wherein: the preheater (201) is communicated with the compressor (1) through a pipeline, and the compressor (1) is communicated with an industrial tail gas conveying pipe.
6. The ethanol production system of claim 1, wherein: the tail gas discharge tower (207) is connected with a first fermentation tank (304) through a pipeline, and the first fermentation tank (304) is connected with a second fermentation tank (303) through a pipeline.
7. The ethanol production system of claim 2, wherein: the second fermentation tank (303) is connected with a clear liquid tank (307) through a pipeline, and a filtering membrane (306) is arranged between the second fermentation tank (303) and the clear liquid tank (307).
8. The ethanol production system of claim 4, wherein: the second rectifying tower (906) is connected with a clear liquid tank (307) through a pipeline.
9. The ethanol production system of claim 4, wherein: and the second rectifying tower (906) is connected with a molecular sieve tower (905) through a pipeline, and the molecular sieve tower (905) is connected with a fuel ethanol collecting tank (5) through a pipeline.
10. The ethanol production system of claim 4, wherein: and the second rectifying tower (906) is connected with a clarifying tank (11) through a pipeline, and the clarifying tank (11) is connected with a water storage tank (10) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220970758.8U CN217418690U (en) | 2022-04-24 | 2022-04-24 | Ethanol production system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220970758.8U CN217418690U (en) | 2022-04-24 | 2022-04-24 | Ethanol production system |
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| CN217418690U true CN217418690U (en) | 2022-09-13 |
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| CN202220970758.8U Active CN217418690U (en) | 2022-04-24 | 2022-04-24 | Ethanol production system |
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- 2022-04-24 CN CN202220970758.8U patent/CN217418690U/en active Active
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