CN216073760U - Waste heat recovery utilizes equipment for alcohol production - Google Patents
Waste heat recovery utilizes equipment for alcohol production Download PDFInfo
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- CN216073760U CN216073760U CN202122301722.9U CN202122301722U CN216073760U CN 216073760 U CN216073760 U CN 216073760U CN 202122301722 U CN202122301722 U CN 202122301722U CN 216073760 U CN216073760 U CN 216073760U
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Abstract
The utility model discloses a waste heat recycling device for alcohol production, which relates to the technical field of waste heat recycling treatment equipment and solves the problems of low energy utilization rate, high energy consumption and large energy waste of alcohol production equipment in the prior art, and the device comprises: the system comprises a single-effect falling-film evaporator, a distillation section crude tower, a first falling-film evaporator, a second falling-film evaporator and a condenser; the single-effect falling-film evaporator is communicated with the distillation working section crude tower through a first juice steam pipe; the distillation section crude tower is communicated with the first falling film evaporator through a wine steam pipe; the first falling-film evaporator and the second falling-film evaporator are communicated through a second juice vapor pipe; the second falling-film evaporator is communicated with the condenser through a third juice steam pipe; the device makes full use of the heat contained in the juice steam, improves the utilization rate of heat energy in a feed workshop, provides guarantee for conveying energy to a distillation working section, simplifies the process flow, reduces the equipment investment and reduces the energy waste.
Description
Technical Field
The utility model relates to the technical field of waste heat recycling treatment equipment, in particular to the technical field of alcohol evaporation juice steam waste heat recycling equipment.
Background
The alcohol production is developed on the basis of wine brewing, the alcohol production method in China mainly comprises a synthesis method and a fermentation method, and from the process point of view, well-known crops containing saccharides, starches and celluloses, such as sugarcane, corn, cassava, grain, and the like can be used as raw materials to produce alcohol through pretreatment, fermentation and distillation.
In order to further improve the production level of alcohol, engineers and technicians in various countries are researching novel equipment and process systems, such as new fermentation processes of solidified cell alcohol fermentation, high temperature resistant active dry yeast fermentation and the like which are currently applied to industrial production, and a plurality of novel bioreactors are also appeared in the equipment aspect, such as single-tank continuous stirring reactors, yeast recycling continuous stirring reactors, tower reactors, cell immobilization reactors and the like, and the alcohol distillation process is also continuously improved and perfected.
Although the improved process and equipment obtain good effects, along with the great improvement of the alcohol production scale, the process and device design ideas of energy utilization of the existing alcohol production enterprises are not independently designed at each end, and the energy consumption and utilization of each production unit in the production enterprises are not comprehensively designed, so that the effect of comprehensively utilizing the energy in the existing alcohol production devices and processes is not realized, the energy utilization rate is low, the energy consumption is too high, the problem of great energy waste exists, and the production cost of products is high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems of low energy utilization rate, high energy consumption and large energy waste of alcohol production equipment in the prior art, and provides waste heat recycling equipment for alcohol production.
The utility model specifically adopts the following technical scheme for realizing the purpose:
an alcohol production waste heat recovery apparatus, comprising: the system comprises a single-effect falling-film evaporator, a distillation section crude tower, a first falling-film evaporator, a second falling-film evaporator and a condenser;
the single-effect falling-film evaporator is communicated with the distillation working section crude tower through a first juice steam pipe; the distillation working section crude tower is communicated with the first falling film evaporator through a wine steam pipe; the first falling-film evaporator and the second falling-film evaporator are communicated through a second juice vapor pipe; and the second falling-film evaporator is communicated with the condenser through a third juice steam pipe.
The juice steam generated in the single-effect falling-film evaporator enters a distillation section coarse tower through a first juice steam pipe, heat in the juice steam entering the distillation section coarse tower supplies heat to mash in the distillation section coarse tower, the generated wine gas enters a first falling-film evaporator through a wine gas pipe, the temperature of the generated wine gas is still high, heat can still be supplied to the first falling-film evaporator after the wine gas enters the first falling-film evaporator, the juice steam generated in the first falling-film evaporator enters a second falling-film evaporator to supply heat to the second falling-film evaporator, and the juice steam generated in the second falling-film generator directly enters a condenser to be cooled.
Wherein, the single-effect falling-film evaporator is also provided with a clear liquid inlet, a steam inlet, a waste steam outlet and a waste water outlet. The clear liquid comes from a horizontal screw centrifuge, and the steam comes from a dryer.
Wherein, the distillation section crude tower is also provided with a mash inlet, and mash enters the fermentation section.
Wherein, the first falling-film evaporator is also provided with a weak liquor outlet.
The heat contained in the juice steam generated in the single-effect falling-film evaporator is fully utilized, the utilization rate of heat energy in a feed workshop is improved, the guarantee is provided for conveying energy to a distillation working section, the process flow is simplified, the equipment investment is reduced, and the waste of energy is reduced; meanwhile, the juice steam provides heat energy for subsequent equipment, the temperature reduction and purification treatment of environmental pollutants contained in the juice steam is realized in the heat transfer process, the pollutants in the juice steam are not required to be treated by other processes, the process flow is further simplified, and the pollution to the environment is reduced.
Furthermore, the single-effect falling-film evaporator, the first falling-film evaporator and the second falling-film evaporator are all connected with a material circulating structure.
Furthermore, the material circulation structure comprises a material circulation pipe connected between the bottoms and the tops of the single-effect falling-film evaporator, the first falling-film evaporator and the second falling-film evaporator, and the material circulation pipe is connected with an evaporation circulation pump.
Circulation structures are connected to the single-effect falling-film evaporator, the first falling-film evaporator and the second falling-film evaporator, and materials are circulated repeatedly in the single-effect falling-film evaporator, the first falling-film evaporator and the second falling-film evaporator respectively by power provided by an evaporation circulating pump connected to the material circulating pipe, so that the evaporation effect on the materials is improved.
Furthermore, a circulating water inlet and a circulating water outlet are formed in the bottom of the condenser.
The condenser is provided with a circulating water inlet and a circulating water outlet at the bottom, so that the juice steam entering the condenser is fully contacted with the circulating water in the circulating water pipe in the condenser, and the cooling effect on the juice steam is enhanced.
Furthermore, the bottom of the single-effect falling-film evaporator is connected with a first concentrated solution discharge pipe, and the first concentrated solution discharge pipe is connected with a first evaporation discharge pump.
And the concentrated solution generated in the single-effect falling-film evaporator is discharged out of the single-effect falling-film evaporator by the power provided by the first evaporation discharge pump.
Furthermore, a concentrated solution pipeline is connected between the first falling-film evaporator and the second falling-film evaporator, and a second evaporation discharge pump is connected to the concentrated solution pipeline.
The concentrated solution and the juice steam generated in the first falling-film evaporator enter the second falling-film evaporator to provide heat for the second falling-film evaporator, so that the full utilization of heat energy is further realized, and the waste of energy is avoided.
Furthermore, the bottom of the second falling-film evaporator is connected with a second concentrated solution discharge pipe, and the second concentrated solution discharge pipe is connected with a third evaporation discharge pump.
And (4) the juice steam generated in the second falling-film evaporator enters a condenser for condensation treatment, and the concentrated solution is discharged through a second concentrated solution discharge pipe.
Further, the bottom of the distillation section coarse tower is connected with a waste mash discharge pipe, and the waste mash discharge pipe is connected with a waste mash pump.
And discharging waste mash produced after the mash is treated by the distillation section crude tower from the distillation section crude tower by the power provided by a waste mash pump.
The utility model has the following beneficial effects:
(1) the heat contained in the juice steam generated in the single-effect falling-film evaporator is fully utilized, the utilization rate of heat energy in a feed workshop is improved, the guarantee is provided for conveying energy to a distillation working section, the process flow is simplified, the equipment investment is reduced, and the waste of energy is reduced;
(2) the juice steam provides heat energy again, and in the process of heat exchange, the environmental pollutants contained in the juice steam are cooled and purified, and other processes are not needed to treat the pollutants in the juice steam, so that the process flow is further simplified, and the pollution to the environment is reduced;
(3) this application is connected a plurality of evaporators between single-effect falling film evaporator and condenser, has improved the utilization ratio of the heat energy in the juice vapour, has further reduced the waste of the energy.
Drawings
Fig. 1 is a schematic structural view of a waste heat recovery and utilization apparatus for alcohol production according to the present invention.
Reference numerals: 11-clear liquid inlet, 12-material circulating pipe, 13-steam inlet, 14-single-effect falling-film evaporator, 15-waste steam outlet, 16-waste water outlet, 17-first juice steam pipe, 18-first concentrated solution discharge pipe, 19-first evaporation discharge pump, 21-distillation section crude tower, 22-mash inlet, 23-wine steam pipe, 24-waste mash discharge pipe, 25-first falling-film evaporator, 26-light wine liquid discharge port, 27-second juice steam pipe, 28-concentrated solution pipeline, 29-second falling-film evaporator, 31-third juice steam pipe, 32-condenser, 33-circulating water inlet, 34-circulating water outlet, 35-second concentrated solution discharge pipe and 36-third evaporation discharge pump.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, the present embodiment is a waste heat recycling apparatus for alcohol production, the apparatus includes: the system comprises a single-effect falling-film evaporator 14, a distillation section crude tower 21, a first falling-film evaporator 25, a second falling-film evaporator 29 and a condenser 32;
the single-effect falling-film evaporator 14 is communicated with the distillation section crude tower 21 through a first juice steam pipe 17; the distillation section crude tower 21 is communicated with the first falling film evaporator 25 through a wine vapor pipe 23; the first falling-film evaporator 25 is communicated with the second falling-film evaporator 29 through a second juice vapor pipe 27; the second falling-film evaporator 29 is communicated with the condenser 32 through a third juice steam pipe 31.
The juice steam generated in the single-effect falling-film evaporator 14 enters the distillation section coarse tower 21 through the first juice steam pipe 17, heat in the juice steam entering the distillation section coarse tower 21 supplies heat to mash in the distillation section coarse tower 21, the generated wine gas enters the first falling-film evaporator 25 through the wine gas pipe, the temperature of the generated wine gas is still high, heat can still be supplied to the first falling-film evaporator 25 after the wine gas enters the first falling-film evaporator 25, the juice steam generated in the first falling-film evaporator 25 enters the second falling-film evaporator 29 to supply heat to the second falling-film evaporator 29, and the juice steam generated in the second falling-film evaporator directly enters the condenser 32 to be cooled.
Wherein, the single-effect falling-film evaporator 14 is also provided with a clear liquid inlet 11, a steam inlet 13, a waste steam outlet 15 and a waste water outlet 16. The clear liquid comes from a horizontal screw centrifuge, and the steam comes from a dryer.
Wherein, a mash inlet 22 is also arranged on the crude tower 21 of the distillation section, and mash enters the fermentation section.
Wherein, the first falling-film evaporator 25 is also provided with a weak liquor outlet 26.
The heat contained in the juice steam generated in the single-effect falling-film evaporator 14 is fully utilized, the utilization rate of heat energy in a feed workshop is improved, the guarantee is provided for conveying energy to a distillation working section, the process flow is simplified, the equipment investment is reduced, and the energy waste is reduced; meanwhile, the juice steam provides heat energy for subsequent equipment, the temperature reduction and purification treatment of environmental pollutants contained in the juice steam is realized in the heat transfer process, the pollutants in the juice steam are not required to be treated by other processes, the process flow is further simplified, and the pollution to the environment is reduced.
Example 2
As shown in fig. 1, based on example 1, the single-effect falling-film evaporator 14, the first falling-film evaporator 25, and the second falling-film evaporator 29 of this example are each connected with a material circulation structure.
Wherein, the material circulation structure comprises a material circulation pipe 12 connected between the bottom and the top of the single-effect falling-film evaporator 14, the first falling-film evaporator 25 and the second falling-film evaporator 29, and the material circulation pipe 12 is connected with an evaporation circulation pump.
Circulation structures are connected to the single-effect falling-film evaporator 14, the first falling-film evaporator 25 and the second falling-film evaporator 29, and materials are repeatedly circulated in the single-effect falling-film evaporator 14, the first falling-film evaporator 25 and the second falling-film evaporator 29 respectively by power provided by an evaporation circulating pump connected to the material circulating pipe 12, so that the evaporation effect on the materials is improved.
Example 3
As shown in fig. 1, based on embodiment 1, the bottom of the condenser 32 of this example is provided with a circulating water inlet 33 and a circulating water outlet 34.
The condenser 32 arranges the circulating water inlet 33 and the circulating water outlet 34 at the bottom, so that the juice steam entering the condenser 32 is fully contacted with the circulating water in the circulating water pipe in the condenser 32, and the cooling effect of the juice steam is enhanced.
Example 4
As shown in fig. 1, based on embodiment 1, the bottom of the single-effect falling-film evaporator 14 of this example is connected with a first concentrated solution discharge pipe 18, and a first evaporation discharge pump 19 is connected to the first concentrated solution discharge pipe 18.
The concentrate produced in the single-effect falling-film evaporator 14 is discharged out of the single-effect falling-film evaporator 14 by the power supplied by the first evaporator discharge pump 19.
Example 5
As shown in fig. 1, according to embodiment 1, a concentrated solution pipeline 28 is connected between the first falling-film evaporator 25 and the second falling-film evaporator 29 of this example, and a second evaporation discharge pump is connected to the concentrated solution pipeline 28.
The concentrated solution and the juice steam generated in the first falling-film evaporator 25 enter the second falling-film evaporator 29 to provide heat for the second falling-film evaporator 29, so that the full utilization of heat energy is further realized, and the waste of energy is avoided.
Example 6
As shown in fig. 1, based on embodiment 1, the second falling-film evaporator 29 of this example is connected to a second concentrated solution discharge pipe 35 at the bottom, and a third evaporation discharge pump 36 is connected to the second concentrated solution discharge pipe 35.
And the juice steam generated in the second falling-film evaporator 29 enters the condenser 32 for condensation treatment, and the concentrated solution is discharged through the second concentrated solution discharge pipe 35.
Example 7
As shown in fig. 1, based on example 1, the bottom of the distillation section crude tower 21 of this example was connected to a waste mash discharge pipe 24, and a waste mash pump was connected to the waste mash discharge pipe 24.
The waste mash produced after the mash is treated by the distillation section crude tower 21 is discharged out of the distillation section crude tower 21 by the power provided by the waste mash pump.
Claims (8)
1. The utility model provides an alcohol production is with waste heat recovery utilizes equipment which characterized in that, this equipment includes: the system comprises a single-effect falling-film evaporator (14), a distillation section crude tower (21), a first falling-film evaporator (25), a second falling-film evaporator (29) and a condenser (32);
the single-effect falling-film evaporator (14) is communicated with a distillation section crude tower (21) through a first juice steam pipe (17); the distillation working section crude tower (21) is communicated with the first falling film evaporator (25) through a wine vapor pipe (23); the first falling-film evaporator (25) is communicated with the second falling-film evaporator (29) through a second juice vapor pipe (27); the second falling-film evaporator (29) is communicated with the condenser (32) through a third juice steam pipe (31).
2. The waste heat recycling device for alcohol production according to claim 1, wherein the single-effect falling-film evaporator (14), the first falling-film evaporator (25) and the second falling-film evaporator (29) are connected with a material circulation structure.
3. The waste heat recovery and utilization equipment for alcohol production according to claim 2, wherein the material circulation structure comprises a material circulation pipe (12) connected between the bottom and the top of the single-effect falling-film evaporator (14), the first falling-film evaporator (25) and the second falling-film evaporator (29), and an evaporation circulation pump is connected to the material circulation pipe (12).
4. The apparatus for recycling waste heat from alcohol production according to claim 1, wherein the bottom of the condenser (32) is provided with a circulating water inlet (33) and a circulating water outlet (34).
5. The waste heat recovery and utilization equipment for alcohol production according to claim 1, wherein a first concentrated solution discharge pipe (18) is connected to the bottom of the single-effect falling-film evaporator (14), and a first evaporation discharge pump (19) is connected to the first concentrated solution discharge pipe (18).
6. The waste heat recycling device for alcohol production according to claim 1, wherein a concentrated solution pipeline (28) is connected between the first falling-film evaporator (25) and the second falling-film evaporator (29), and a second evaporation discharge pump is connected to the concentrated solution pipeline (28).
7. The waste heat recycling device for alcohol production according to claim 1, wherein a second concentrated solution discharge pipe (35) is connected to the bottom of the second falling-film evaporator (29), and a third evaporation discharge pump (36) is connected to the second concentrated solution discharge pipe (35).
8. The waste heat recycling apparatus for alcohol production according to claim 1, wherein a waste mash discharge pipe (24) is connected to the bottom of the distillation section crude tower (21), and a waste mash pump is connected to the waste mash discharge pipe (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122301722.9U CN216073760U (en) | 2021-09-23 | 2021-09-23 | Waste heat recovery utilizes equipment for alcohol production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122301722.9U CN216073760U (en) | 2021-09-23 | 2021-09-23 | Waste heat recovery utilizes equipment for alcohol production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216073760U true CN216073760U (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122301722.9U Active CN216073760U (en) | 2021-09-23 | 2021-09-23 | Waste heat recovery utilizes equipment for alcohol production |
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| Country | Link |
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| CN (1) | CN216073760U (en) |
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2021
- 2021-09-23 CN CN202122301722.9U patent/CN216073760U/en active Active
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Inventor after: Yang Cong Inventor after: Yang Chuang Inventor before: Yang Cong |