CN213231929U - Low-energy-consumption environment-friendly alcohol tank liquid recycling system - Google Patents
Low-energy-consumption environment-friendly alcohol tank liquid recycling system Download PDFInfo
- Publication number
- CN213231929U CN213231929U CN202021895227.4U CN202021895227U CN213231929U CN 213231929 U CN213231929 U CN 213231929U CN 202021895227 U CN202021895227 U CN 202021895227U CN 213231929 U CN213231929 U CN 213231929U
- Authority
- CN
- China
- Prior art keywords
- alcohol
- inlet
- outlet
- shell
- buffer cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
Abstract
The utility model discloses a low energy consumption environmental protection alcohol lees liquid cyclic utilization system, it includes separating centrifuge, tube bank desiccator, scrubbing tower, UASB anaerobic reactor unit, joins in marriage thick liquid jar, alcohol fermentation unit and alcohol distillation unit. The utility model saves 5-6m of primary water for alcohol production3T, saving water resource and unit alcohol product wastewaterThe production amount is reduced by 10m3More than t, reducing the wastewater treatment pressure; the fermentation can be promoted, the nitrogen source investment in the fermentation process is reduced, the alcohol production performance of bacteria is stable, and the utilization rate of sugar is increased; alcohol lees liquid produced by the rough distillation tower, ethanol steam produced by the pressurizing tower and alcohol gas produced by the rectifying tower can be introduced into the tube bundle dryer for drying filter residues, so that the steam consumption for drying the filter residues is saved, and the energy consumption is reduced.
Description
The technical field is as follows:
the utility model relates to a poor liquid cyclic utilization system of alcohol especially relates to a low energy consumption environmental protection poor liquid cyclic utilization system of alcohol.
Background art:
when 1t of alcohol is prepared from corn, the volume of the produced alcohol residue liquid is about 12-15m3The alcohol stillage liquid contains rich protein and dietary fiber, and for decades, alcohol and environmental protection industries at home and abroad invest a great deal of manpower and material resources to develop and treat the technology in order to treat the influence of the alcohol stillage liquid on the environment. At present, the technology for treating the alcohol stillage applied at home and abroad mainly comprises the following steps: alcohol-containing waste liquid burning method, single cell protein method, anaerobic-aerobic biodegradation method, alcohol-containing waste liquid concentrating and drying method (DDGS method), and alcohol-containing waste liquid treating and recycling technology.
The alcohol stillage incineration method, the single cell protein method and the anaerobic-aerobic biodegradation method are not generally adopted due to secondary pollution caused by the methods or large investment, low economic efficiency and the like. Concentrating and drying the distillers' grains liquid (DDGS method): the production mostly adopts the solid-liquid separation of the alcohol vinasse liquid, the filtrate is mixed and dried with the filter residue after being concentrated, and the DDGS as the complete vinasse protein feed is produced. The method is widely used in the United states and developed countries in Western Europe, the method thoroughly eliminates the pollution of alcohol waste liquor to the environment, and obtains concentrated feed containing protein as high as 27% -30% and rich in nutrition, the technology is commonly introduced in China at present, but the technology has high energy consumption for concentration and drying, the waste liquor treatment is not thorough, the COD content of the treated waste water reaches 3000mg/L, and the discharge requirement cannot be met.
The utility model has the following contents:
in order to solve the technical problem, the utility model aims to provide an environmental protection alcohol vinasse liquid recycling system with less water consumption, low wastewater discharge and low energy consumption.
The utility model discloses by following technical scheme implement: the low-energy-consumption environment-friendly alcohol waste liquid recycling system comprises a separator, an evaporator, a tube bundle dryer, a washing tower, a UASB (upflow anaerobic sludge blanket) anaerobic reactor unit, a slurry distribution tank, an alcohol fermentation unit and an alcohol distillation unit, wherein a filter residue outlet of the separator is connected with a material inlet of the tube bundle dryer, an exhaust port of the tube bundle dryer is connected with an inlet of the washing tower, a water inlet of the washing tower is connected with a water outlet of the UASB anaerobic reactor unit, and a water outlet of the washing tower is connected with a water inlet of the UASB anaerobic reactor unit; a filtrate outlet of the separator is connected with a material inlet of the evaporator, and a thick slurry outlet of the evaporator is connected with an inlet of the tube bundle dryer; the evaporation condensate outlet of the evaporator is connected with the water inlet of the UASB anaerobic reactor unit, the water outlet of the UASB anaerobic reactor unit is connected with the water inlet of the slurry distribution tank, the feed liquid outlet of the slurry distribution tank is connected with the feed liquid inlet of the alcohol fermentation unit, the fermented mash outlet of the alcohol fermentation unit is connected with the fermented mash inlet of the alcohol distillation unit, the alcohol distiller's solution outlet of the alcohol distillation unit is connected with the shell alcohol distiller's solution inlet of the tube bundle dryer, the shell alcohol distiller's solution outlet of the tube bundle dryer is connected with the inlet of the separator. Carrying out solid-liquid separation on the alcohol residue liquid by a separator, drying the separated filter residue by a tube bundle dryer to prepare feed, concentrating the separated filtrate by an evaporator, and drying the concentrated pulp in a tubular dryer to prepare feed; the evaporation condensate of the evaporator enters a UASB anaerobic reactor unit, the effluent after anaerobic reaction of the UASB anaerobic reactor is subjected to sedimentation, aerobic treatment, biological filtration, decolorization, fine filtration and sand filtration, the alcohol residue is subjected to solid-liquid separation by a separator and evaporation concentration to obtain the evaporation condensate, the average COD concentration is reduced to 2500mg/L from 30000mg/L, the average COD concentration of the effluent after the evaporation condensate is treated by the UASB anaerobic reactor unit is reduced to be within 100mg/L, the effluent is used as mixing water and recycled in an alcohol liquefaction preparation system, a large amount of mixing water is saved, meanwhile, the effluent contains residues which are not utilized by bacteria, such as fermentation raw materials of reducing sugar, nitrogen source, organic acid, B-group vitamins and some metabolic intermediates, and the like, the fermentation can be promoted, the nitrogen source input in the fermentation process is reduced, and the alcohol production performance of the bacteria is stable, the utilization rate of sugar is increased;
waste gas which is discharged from filter residue after being dried by the tube bundle dryer is washed by a washing tower and is used as a heat source of the evaporator 8 for filtrate concentration, protein feed ingredients in the filtrate are recovered, and meanwhile, the heat of the waste gas is utilized to achieve the purpose of heat recycling; the effluent obtained after the evaporation condensate is treated by the UASB anaerobic reactor unit is simultaneously used as water for a washing tower to absorb volatile acid, feed particles and the like in the waste gas, and then the effluent returns to the UASB anaerobic reactor unit for continuous treatment, so that a large amount of washing water is saved; alcohol lees liquid discharged from the alcohol distillation unit enters a separator to form circulation after being subjected to heat exchange and temperature reduction by a tube bundle dryer; the residual heat of the alcohol waste liquid dries the filter residue, reduces the steam required for drying the filter residue, and reduces the energy consumption.
Preferably, the tube bundle dryer comprises a first seal head and a second seal head, wherein a thin stillage buffer cavity, an ethanol steam buffer cavity and a wine gas buffer cavity are respectively arranged in the first seal head from an inlet end to an outlet end; a wine gas condensate buffer cavity, an ethanol steam condensate buffer cavity and an alcohol lees condensate buffer cavity are respectively arranged in the second seal head from the inlet end to the outlet end;
the first seal head is provided with a shell alcohol vinasse liquid inlet, a shell ethanol steam inlet and a shell alcohol gas inlet, and the shell alcohol vinasse liquid inlet is communicated with the alcohol vinasse liquid buffer cavity through a pipeline; the shell ethanol steam inlet is communicated with the ethanol steam buffer cavity through a pipeline; the shell wine gas inlet is communicated with the wine gas buffering cavity through a pipeline;
the second seal head is provided with a shell alcohol lees liquid outlet, a shell ethanol steam outlet and a shell alcohol gas outlet, and the shell alcohol lees liquid outlet is communicated with the alcohol lees condensate buffer cavity through a pipeline; the shell ethanol steam outlet is communicated with the ethanol steam condensate buffer cavity through a pipeline; the shell wine gas outlet is communicated with the wine gas condensate buffer cavity through a pipeline;
the alcohol vinasse liquid buffer cavity is communicated with the alcohol vinasse condensate buffer cavity through an alcohol vinasse liquid heat exchange tube; the ethanol steam buffer cavity is communicated with the ethanol steam condensate buffer cavity through an ethanol steam heat exchange tube; the wine gas buffer cavity is communicated with the wine gas condensate buffer cavity through a wine gas heat exchange tube.
Preferably, the alcohol distillation unit comprises a rough distillation tower, a rectification tower condenser, a pressurizing tower and a pressurizing tower reflux tank, wherein an alcohol residue liquid outlet of the rough distillation tower is connected with the shell alcohol residue liquid inlet, an alcohol gas outlet of the rectification tower is connected with the shell alcohol gas inlet, and an ethanol steam outlet of the pressurizing tower is connected with the shell ethanol steam inlet; the shell alcohol stillage liquid outlet is connected with the inlet of the separator; the shell ethanol steam outlet is connected with the inlet of the pressurizing tower reflux tank, and the outlet of the pressurizing tower reflux tank is connected with the reflux port of the pressurizing tower; and the shell wine gas outlet is connected with the inlet of the fine tower condenser. The alcohol lees liquid produced by the rough distillation tower, the ethanol steam produced by the pressurizing tower and the alcohol gas produced by the rectifying tower can be used for the tube bundle dryer for drying the filter residue, thereby saving the steam consumption for drying the filter residue and reducing the energy consumption.
Preferably, the gas outlet of the scrubber is connected to the heat source inlet of the evaporator.
The utility model has the advantages that: 1. the utility model discloses be used for mixing the material water with alcohol lees liquid after UASB anaerobic reactor unit treatment, reuse in alcohol preparation system, be used as the washing tower washing water simultaneously, practice thrift alcohol production primary water 5-6m3T, water resource saving, 10m reduction of wastewater production per unit alcohol product3More than t, reducing the wastewater treatment pressure; 2. the effluent of the alcohol waste liquid treated by the UASB anaerobic reactor unit contains residues which are not utilized by bacteria, such as fermentation raw materials of reducing sugar, nitrogen source, organic acid, B vitamins, some metabolic intermediates and the like, and can promote fermentation, reduce the nitrogen source input in the fermentation process, stabilize the alcohol production performance of the bacteria and increase the utilization rate of the sugar; 3. distilling the alcohol residue liquid from the coarse distillation tower and ethanol from the pressurized towerSteam and wine gas produced by the rectifying tower can be introduced into the tube bundle dryer for drying filter residues, so that the steam consumption for drying the filter residues is saved, and the energy consumption is reduced.
Description of the drawings:
FIG. 1 is a schematic diagram of a low-energy consumption environment-friendly alcohol waste liquid recycling system.
Fig. 2 is a schematic view of the shell structure of the tube bundle dryer.
The device comprises a separator 1, a tube bundle dryer 2, a first seal head 2-1, a second seal head 2-2, an alcohol lees liquid buffer cavity 2-3, an ethanol steam buffer cavity 2-4, an alcohol gas buffer cavity 2-5, an alcohol gas condensate buffer cavity 2-6, an alcohol steam condensate buffer cavity 2-7, an alcohol lees condensate buffer cavity 2-8, a washing tower 3, a UASB anaerobic reactor unit 4, a slurry preparation tank 5, an alcohol fermentation unit 6, an alcohol distillation unit 7, a rough distillation tower 7-1, a rectification tower 7-2, a rectification tower condenser 7-3, a pressurizing tower 7-4, a pressurizing tower reflux tank 7-5 and an evaporator 8.
The specific implementation mode is as follows:
as shown in figure 1, the system for recycling the low-energy-consumption environment-friendly alcohol waste liquid comprises a separator 1, a tube bundle dryer 2, an evaporator 8, a washing tower 3, a UASB anaerobic reactor unit 4, a slurry preparation tank 5, an alcohol fermentation unit 6 and an alcohol distillation unit 7, wherein the separator 1 is a horizontal screw centrifuge.
In the embodiment, the tube bundle dryer 2 comprises a first seal head 2-1 and a second seal head 2-2, wherein a thin stillage buffer cavity 2-3, an ethanol steam buffer cavity 2-4 and a thin stillage buffer cavity 2-5 are respectively arranged in the first seal head 2-1 from an inlet end to an outlet end; a wine gas condensate buffer cavity 2-6, an ethanol steam condensate buffer cavity 2-7 and an alcohol lees condensate buffer cavity 2-8 are respectively arranged in the second seal head 2-2 from the inlet end to the outlet end;
the first seal head 2-1 is provided with a shell alcohol vinasse liquid inlet, a shell ethanol steam inlet and a shell alcohol gas inlet, and the shell alcohol vinasse liquid inlet is communicated with the alcohol vinasse liquid buffer cavity 2-3 through a pipeline; the shell ethanol steam inlet is communicated with the ethanol steam buffer cavity 2-4 through a pipeline; the shell wine gas inlet is communicated with the wine gas buffer cavity 2-5 through a pipeline;
the second seal head 2-2 is provided with a shell alcohol lees liquid outlet, a shell ethanol steam outlet and a shell alcohol gas outlet, and the shell alcohol lees liquid outlet is communicated with the alcohol lees condensate buffer cavity 2-8 through a pipeline; the shell ethanol steam outlet is communicated with the ethanol steam condensate buffer cavity 2-7 through a pipeline; the shell wine gas outlet is communicated with the wine gas condensate buffer cavity 2-6 through a pipeline;
the alcohol vinasse liquid buffer cavity 2-3 is communicated with the alcohol vinasse condensate buffer cavity 2-8 through an alcohol vinasse liquid heat exchange pipe; the ethanol steam buffer cavity 2-4 is communicated with the ethanol steam condensate buffer cavity 2-7 through an ethanol steam heat exchange pipe; the wine gas buffer cavity 2-5 is communicated with the wine gas condensate buffer cavity 2-6 through a wine gas heat exchange tube.
The filter residue outlet of the separator 1 is connected with the material inlet of the tube bundle dryer 2, the exhaust port of the tube bundle dryer 2 is connected with the inlet of the washing tower 3, the gas outlet of the washing tower 3 is connected with the heat source inlet of the evaporator 8, and the gas is exhausted from the heat source outlet of the evaporator 8 after heat exchange through the evaporator 8. The water inlet of the washing tower 3 is connected with the water outlet of the UASB anaerobic reactor unit 4, and the water outlet of the washing tower 3 is connected with the water inlet of the UASB anaerobic reactor unit 4; a filtrate outlet of the separator 1 is connected with a material inlet of an evaporator 8, and a thick slurry outlet of the evaporator 8 is connected with an inlet of the tube bundle dryer 2; an evaporation condensate outlet of the evaporator 8 is connected with a water inlet of the UASB anaerobic reactor unit 4, a water outlet of the UASB anaerobic reactor unit 4 is connected with a water inlet of the slurry mixing tank 5, a material liquid outlet of the slurry mixing tank 5 is connected with a material liquid inlet of the alcohol fermentation unit 6, and a fermented mature mash outlet of the alcohol fermentation unit 6 is connected with a fermented mature mash inlet of the alcohol distillation unit 7.
The alcohol distillation unit 7 comprises a rough distillation tower 7-1, a rectifying tower 7-2, a rectifying tower condenser 7-3, a pressurizing tower 7-4 and a pressurizing tower reflux tank 7-5, wherein an alcohol waste liquid outlet of the rough distillation tower 7-1 is connected with a shell alcohol waste liquid inlet, a wine gas outlet of the rectifying tower 7-2 is connected with the shell alcohol gas inlet, and an ethanol steam outlet of the pressurizing tower 7-4 is connected with the shell ethanol steam inlet; the outlet of the shell alcohol lees liquid is connected with the inlet of the separator 1; the outlet of the shell ethanol steam is connected with the inlet of a reflux tank 7-5 of the pressurizing tower, and the outlet of the reflux tank 7-5 of the pressurizing tower is connected with the reflux port of the pressurizing tower 7-4; the shell liquor gas outlet is connected with the inlet of the fine tower condenser 7-3.
Carrying out solid-liquid separation on the alcohol residue liquid by a separator 1, drying the separated filter residue by a tube bundle dryer 2 to prepare feed, concentrating the separated filtrate by an evaporator 8, and drying the concentrated slurry in a tubular dryer 2 to prepare feed; the evaporation condensate of the evaporator 8 enters a UASB anaerobic reactor unit 4, the effluent after anaerobic reaction of the UASB anaerobic reactor is settled, aerobic treatment, biological filtration, decoloration, fine filtration and sand filtration are carried out to obtain effluent, the alcohol lees liquid is subjected to solid-liquid separation and evaporation concentration by a separator 1 to obtain the evaporation condensate, the average COD concentration is reduced to 2500mg/L from 30000mg/L, the average COD concentration of the effluent after the evaporation condensate is treated by the UASB anaerobic reactor unit 4 is reduced to be within 100mg/L, the effluent is used as mixing water and recycled for an alcohol liquefaction preparation system, a large amount of mixing water is saved, meanwhile, the effluent contains residues which are not utilized by bacteria, such as fermentation raw materials of nitrogen source, reducing sugar, organic acid, B vitamins and some metabolic intermediates, and the like, the fermentation can be promoted, the input of nitrogen source in the fermentation process is reduced, and the alcohol production performance of the bacteria is stable, the utilization rate of sugar is increased;
waste gas discharged by drying filter residue through the tube bundle dryer 2 is washed through the washing tower 3 and then is used as a heat source of the evaporator 8 for filtrate concentration, protein feed ingredients in the filtrate are recovered, and meanwhile, the heat of the waste gas is utilized to achieve the purpose of heat recycling; the effluent obtained after the evaporation condensate is treated by the UASB anaerobic reactor unit 4 is simultaneously used as water for the washing tower 3 to absorb volatile acid, feed particles and the like in the waste gas, and then returns to the UASB anaerobic reactor unit 4 for continuous treatment, thereby saving a large amount of water for washing once; the alcohol lees liquid produced by the coarse distillation tower 7-1, the ethanol steam produced by the pressurized tower 7-4 and the wine gas produced by the rectification tower 7-2 can be used for the tube bundle dryer 2 for drying filter residues, thereby saving the steam consumption for drying the filter residues and reducing the energy consumption.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The low-energy-consumption environment-friendly alcohol waste liquid recycling system is characterized by comprising a separator, an evaporator, a tube bundle dryer, a washing tower, a UASB (upflow anaerobic sludge blanket) anaerobic reactor unit, a slurry distribution tank, an alcohol fermentation unit and an alcohol distillation unit, wherein a filter residue outlet of the separator is connected with a material inlet of the tube bundle dryer, an exhaust port of the tube bundle dryer is connected with an inlet of the washing tower, a water inlet of the washing tower is connected with a water outlet of the UASB anaerobic reactor unit, and a water outlet of the washing tower is connected with a water inlet of the UASB anaerobic reactor unit; a filtrate outlet of the separator is connected with a material inlet of the evaporator, and a thick slurry outlet of the evaporator is connected with an inlet of the tube bundle dryer; the evaporation condensate outlet of the evaporator is connected with the water inlet of the UASB anaerobic reactor unit, the water outlet of the UASB anaerobic reactor unit is connected with the water inlet of the slurry distribution tank, the feed liquid outlet of the slurry distribution tank is connected with the feed liquid inlet of the alcohol fermentation unit, the fermented mash outlet of the alcohol fermentation unit is connected with the fermented mash inlet of the alcohol distillation unit, the alcohol distiller's solution outlet of the alcohol distillation unit is connected with the shell alcohol distiller's solution inlet of the tube bundle dryer, the shell alcohol distiller's solution outlet of the tube bundle dryer is connected with the inlet of the separator.
2. The system of claim 1, wherein the tube bundle dryer comprises a first head and a second head, wherein the first head is internally provided with a thin stillage buffer chamber, an ethanol vapor buffer chamber, and a thin stillage buffer chamber from an inlet end to an outlet end; a wine gas condensate buffer cavity, an ethanol steam condensate buffer cavity and an alcohol lees condensate buffer cavity are respectively arranged in the second seal head from the inlet end to the outlet end;
the first seal head is provided with a shell alcohol vinasse liquid inlet, a shell ethanol steam inlet and a shell alcohol gas inlet, and the shell alcohol vinasse liquid inlet is communicated with the alcohol vinasse liquid buffer cavity through a pipeline; the shell ethanol steam inlet is communicated with the ethanol steam buffer cavity through a pipeline; the shell wine gas inlet is communicated with the wine gas buffering cavity through a pipeline;
the second seal head is provided with a shell alcohol lees liquid outlet, a shell ethanol steam outlet and a shell alcohol gas outlet, and the shell alcohol lees liquid outlet is communicated with the alcohol lees condensate buffer cavity through a pipeline; the shell ethanol steam outlet is communicated with the ethanol steam condensate buffer cavity through a pipeline; the shell wine gas outlet is communicated with the wine gas condensate buffer cavity through a pipeline;
the alcohol vinasse liquid buffer cavity is communicated with the alcohol vinasse condensate buffer cavity through an alcohol vinasse liquid heat exchange tube; the ethanol steam buffer cavity is communicated with the ethanol steam condensate buffer cavity through an ethanol steam heat exchange tube; the wine gas buffer cavity is communicated with the wine gas condensate buffer cavity through a wine gas heat exchange tube.
3. The system of claim 2, wherein the alcohol distillation unit comprises a rough distillation column, a rectification column condenser, a pressurizing column, and a pressurizing column reflux drum, the alcohol residue outlet of the rough distillation column is connected to the shell alcohol residue inlet, the alcohol vapor outlet of the rectification column is connected to the shell alcohol vapor inlet, and the ethanol vapor outlet of the pressurizing column is connected to the shell ethanol vapor inlet; the shell alcohol stillage liquid outlet is connected with the inlet of the separator; the shell ethanol steam outlet is connected with the inlet of the pressurizing tower reflux tank, and the outlet of the pressurizing tower reflux tank is connected with the reflux port of the pressurizing tower; and the shell wine gas outlet is connected with the inlet of the fine tower condenser.
4. The system of claim 1, wherein the gas outlet of the scrubber is coupled to the heat source inlet of the evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021895227.4U CN213231929U (en) | 2020-09-02 | 2020-09-02 | Low-energy-consumption environment-friendly alcohol tank liquid recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021895227.4U CN213231929U (en) | 2020-09-02 | 2020-09-02 | Low-energy-consumption environment-friendly alcohol tank liquid recycling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213231929U true CN213231929U (en) | 2021-05-18 |
Family
ID=75904109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021895227.4U Active CN213231929U (en) | 2020-09-02 | 2020-09-02 | Low-energy-consumption environment-friendly alcohol tank liquid recycling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213231929U (en) |
-
2020
- 2020-09-02 CN CN202021895227.4U patent/CN213231929U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108103112B (en) | Process for producing fuel ethanol by using corn starch as raw material | |
| CN107099556B (en) | Method and system for preparing ethanol by industrial tail gas fermentation method | |
| CN101157890B (en) | Fuel ethanol production equipment and method | |
| CN106591379B (en) | Alcohol production method based on comprehensive utilization of wastewater | |
| CN102503019B (en) | Method for realizing biogas slurry reutilization by recycling biogas slurry | |
| CA2584756A1 (en) | Method and apparatus for the treatment of byproducts from ethanol and spirits production | |
| CN104151135A (en) | Molassess raw material top-grade alcohol distillation and waste liquid concentration thermal coupling device and process | |
| CN107892456A (en) | A kind of method of the efficient minimizing of municipal sludge | |
| CN110981099A (en) | Method for producing ethanol by recycling biogas slurry and vinasse clear liquid and reusing | |
| CN102643867B (en) | Device and method for producing cellulosic ethanol | |
| CN1138876A (en) | Method for prodn. of ethyl alcohol | |
| CN108841873B (en) | Method for producing ethanol by recycling anaerobic digestion effluent and distiller's grain clear liquid | |
| CN104788577A (en) | Method for recycling secondary steam generated in corn starch wet milling production process | |
| CN106755128A (en) | A kind of reuse of anaerobic digestion solution part as Alcohol Production spice water method | |
| CN213231929U (en) | Low-energy-consumption environment-friendly alcohol tank liquid recycling system | |
| CN101165189A (en) | Meso one-step method ethanol production method for potato raw starch | |
| CN105565598A (en) | Method for comprehensively treating and utilizing cassava vinasse waste water and industrial sludge | |
| CN114685020A (en) | Sludge anaerobic digestion combined drying and carbonizing system and method | |
| CN109182394B (en) | Method for producing ethanol by using grains as raw materials | |
| CN111333436A (en) | Recycling treatment process for vinasse | |
| CN107129103B (en) | Comprehensive treatment and utilization process and method for furfural production wastewater | |
| CN110526818A (en) | A kind of device and method of the purifying acetic acid from the waste water containing acetic acid | |
| CN217459152U (en) | Coffee bean processing wastewater resourceful treatment system | |
| CN1035726C (en) | Circulation utilization method of alcohol waste liquid for sugar refinery | |
| CN1056526A (en) | Process for treating waste liquor of distiller's grain of alcohol |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Low energy consumption and environmental protection alcohol residue recycling system Effective date of registration: 20220422 Granted publication date: 20210518 Pledgee: Chifeng Branch of China Construction Bank Co.,Ltd. Pledgor: CHIFENG RUIYANG CHEMICAL CO.,LTD. Registration number: Y2022150000032 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |