CN101333544A - Production process for continuously distilling ethanol by continuous fermentation of sweet sorghum stalks - Google Patents
Production process for continuously distilling ethanol by continuous fermentation of sweet sorghum stalks Download PDFInfo
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- CN101333544A CN101333544A CNA2007101267804A CN200710126780A CN101333544A CN 101333544 A CN101333544 A CN 101333544A CN A2007101267804 A CNA2007101267804 A CN A2007101267804A CN 200710126780 A CN200710126780 A CN 200710126780A CN 101333544 A CN101333544 A CN 101333544A
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
Disclosed is a continuous fermentation and continuous distillation production process for producing ethanol by fermenting straws and stalks such as sugarcanes, sweet sorghum stalks, cornstalks and straws by dry method as well as a product line. The process mainly adopts facilities of a continuous fermentation tower and a continuous distillation tunnel. The process and the product line overcome the defects of intermittent production, incomplete material steaming, low product yield, complex charging and discharging operations and disordered field of the traditional process. The process and the product line have the advantages of continuous production, high degree of automation, even mixing of materials, proper fermentation, complete distillation and high product yield. The process is a novel process with innovation significance.
Description
Affiliated technical field
The invention belongs to fermented distilled production alcohol production line design of straw kind solid matter dry method (water or add water less) slightly and coordinative composition of equipments technology, be suitable for modernized scale operation requirement, make production process continuous, the level of automation height, product yield height, quality are stablized, and be energy-saving and cost-reducing.
Background technology
Utilizing the fermented distilled production ethanol of straw such as sugarcane, sweet Chinese sorghum pole, corn stalk, straw is a biomass new energy technology.Production technique and traditional method of making liquor were basic identical in the past, utilized the manual operation of tradition system wine equipment to carry out.Fermentation in the production process and distillation work all are to use a kind of equipment and facility to finish, and this major equipment facility is exactly the Zhen pot of big specification.Owing to be subjected to the restriction of material thickness, to discriminate the pot volume and can not do greatly with steaming material amount, volume is generally less than 8 cubic metres, and the maximum material amount of steaming is less than 4 tons.When enterprise's industrial scale is big, can only discriminates a pot quantity by increasing, form and discriminate the pot group and finish production task.As fermentation and distillatory major equipment facility many scarce limits are arranged in actual production process with discriminating the pot group: 1, produce interrupted; 2, Zhen is different with the indirect fermentation and the distilling effect of Zhen, influences consistency of product; 3, discriminate in material thickness big, distill not thoroughly, cause product yield on the low side, influence productivity effect; 4, the installations and facilities floor space is big, and fixing infusion of financial resources strengthens; 5, charging discharging complicated operation, the production scene confusion; 6, still belong to antiquated traditional technology, be difficult to carry out modern management and control device.
Summary of the invention
In order to overcome to discriminate the pot group is the many scarce limit of the traditional processing technology of major equipment facility, the present invention proposes straw dry method fermentative production of ethanol such as a kind of sugarcane, sweet Chinese sorghum pole, corn stalk, the straw continuous still battery production technique of continuously fermenting, whole process of production adopts corresponding machinery, installations and facilities to finish continuously, these corresponding machineries, installations and facilities are formed straw dry method fermenting alcohol production lines such as complete sugarcane, sweet Chinese sorghum pole, corn stalk, straw jointly, and the major equipment facility on the production line is continuous fermentation tower and continuous still battery tunnel.
The primary structure of continuous fermentation tower is the tower shape.Aspect ratio is bigger.From the top charging.Suitable address is provided with level detector and thermometer hole in the tower, so that whether the material charge level meets production requirement and temperature conditions in the observing and controlling tower.The bottom of tower is inverted cone shape, is beneficial to discharging work.In order to overhaul and other needs, the foot of tower is provided with bilateral machinery plate.Tower has continuous discharging machine.
The primary structure in continuous still battery tunnel is tunnel-like.In order to prevent steam leakage, opening for feed bottom and slag notch top all are provided with the airlock screw machine.Be provided with multilayer stainless steel foraminous conveyer in the tunnel, the material conveying of can turning back in the tunnel is to reach certain distillation time.The elasticity of each layer guipure is all adjustable, and speed is consistent and can adjust.The bottom is provided with a plurality of steam inlets in the tunnel.Condensate draining and automatic drainer are established in the bottom, tunnel.The alcohol vapour connecting leg is established on top, tunnel.This production technique have produce continuously, level of automation is high, mixing of materials advantages such as evenly good, the distillation of fermentation thoroughly, high, the floor space of product yield and fixed investment be reasonable.
Description of drawings
1, the straw dry method fermentative production of ethanol continuous still battery technological process of production (Fig. 4) of continuously fermenting
2, continuously ferment continuous still battery production unit, facility process flow sheet (Fig. 1) of straw dry method fermentative production of ethanol
Among the figure: 1. have pair roller to draw the hand hay cutter machine cut pulverizer of material function, 2. promote transfer roller, 3. the spiral continuous mixer that can heat to material, 4. chapelet, 5. continuous fermentation tower 6. promotes transfer roller, 7. continuous still battery tunnel, 8. pipe bundle condenser, 9. poor slag output machine, 10. seeding tank.
3, major equipment and facility
(1), continuous fermentation tower (Fig. 2)
Among the figure: 1. opening for feed, 2. level detector, 3. thermometer hole, the 4. cone of circular upper part and square lower part, 5. bilateral machinery plate, 6. multi-detector formula discharging machine, 7. thermal insulation layer.
(2), continuous still battery tunnel (Fig. 3)
Among the figure: 1. opening for feed, the 2. spiral blower fan that closes, the 3. even shop of spiral material machine, 4. stainless steel foraminous conveyer, 5. live roll, 6. carrying roller, 7. bridle rolls, 8. steam entrance, the 9. spiral blower fan that closes, 10. poor slag outlet, 11. automatic drainers, 12. alcohol vapour connecting legs, the outlet of 13. alcohol vapours.
Embodiment
Production process is a (see figure 1): straw raw materials such as sugarcane, sweet Chinese sorghum pole, corn stalk, straw are inserted after pair roller draws the hay cutting type pulverizer 1 of material function, drawn the material pair roller and at the uniform velocity pushed rotation chopper position, cut up with a hay cutter into the fragment of certain-length, formed the straw particle.The straw particle falls into the spiral continuous mixer 3 that can heat to material again after promoting transfer roller 2 and rising to certain altitude.While is ratio as requested, and the bacterial classification in the seeding tank 10 is also added in the spiral continuous mixer 3 by even and successive, and is mixed with the straw particle, when needed material heated, and the degree of heating can be controlled and regulate automatically.Mixed and heat after the straw particle risen to certain altitude by chapelet 4 again after, drop in the continuous fermentation tower 5, and in continuous fermentation tower, carrying out the fermentation of certain hour, the material after the fermentation is outputed to outside the fermentation tower by multi-detector formula discharging machine (Fig. 2 6) from the foot of fermentation tower.
The working volume of fermentation tower and charging and discharging amount and the proportional relation of fermentation time, relational expression is: in the Q=hs formula: the working volume of Q--fermentation tower; The h--fermentation time; S--charging and discharging amount
Inlet amount is consistent with the load balance during work.During the work beginning, a not discharging of charging, the material in the continuous fermentation tower constantly accumulates.Behind certain hour, the material level of material reaches the maximum limit material level in the tower, enters time that the material in the tower is detained this moment at first to equal the material fermentation time stipulated just in tower, and discharging machine (among Fig. 2 6) is started working.Because inlet amount and load balance, the material level of material remains unchanged in the continuous fermentation tower, has realized continuously feeding, continuous discharging, the work order ground that continuously ferments.
Discharging machine (among Fig. 2 6) outputs to the material that ferments on the transfer roller 6 (among Fig. 1 6), and then is transported to the opening for feed in continuous still battery tunnel 7.All be provided with prevent that steam from overflowing spiral in the opening for feed bottom in continuous still battery tunnel 7 and the discharging and close blower fan (among Fig. 32 and 9).The working speed of the stainless steel foraminous conveyer in the continuous still battery tunnel (among Fig. 3 4) can be adjustable continuously within the specific limits, so that adapt to the requirement of distillation time.Material was both heated by steam after entering the tunnel, and ethanol that vaporization temperature is lower and portion water steam enter pipe bundle condenser 8 through alcohol vapour connecting leg (among Fig. 3 12), and alcohol vapour and water vapor are condensed into aqueous ethanol simultaneously.Behind certain distillation time, after the ethanol content in the material dropped to and allows residual scope following, material became poor slag, is discharged continuously.
Claims (3)
1, straw dry method fermentative production of ethanol such as a kind of sugarcane, sweet Chinese sorghum pole, corn stalk, the straw continuous still battery new process of production that continuously ferments, and be that the major equipment facility is formed novel production line with continuous fermentation tower and continuous still battery tunnel.It is characterized in that: automatically degree of changing into height, product yield height, can realize that with straws such as sugarcane, sweet Chinese sorghum pole, corn stalk, straws be the continuous still battery production of continuously fermenting of raw material dry method fermentative production of ethanol.
2, continuously ferment continuous still battery production technique and production line of straw dry method fermentative production of ethanol such as sugarcane according to claim 1, sweet Chinese sorghum pole, corn stalk, straw is characterized in that: master operations such as raw material charging, grinding and processing, bacterial classification mixing, fermentation, distillation, aqueous ethanol reclaim, poor slag discharge are finished continuously.
3, the major equipment facility on the production line is: (1) continuous fermentation tower, (2) continuous still battery tunnel.The feature in continuous fermentation tower and continuous still battery tunnel is:
(1) continuous fermentation tower
1) agent structure is the bigger tower shape of aspect ratio.2) from the top charging.3) suitable address is provided with level detector and thermometer hole in the tower.4) bottom of tower is inverted cone shape.5) the tower bottommost is established bilateral machinery plate.6) tower is divided into continuous discharging machine.
(2) continuous still battery tunnel
1) agent structure is tunnel-like.2) opening for feed bottom and slag notch top all are provided with the airlock screw machine.3) multilayer stainless steel foraminous conveyer is set in the tunnel, the guipure degree of tightness can be adjusted, adjustable-speed whole.4) a plurality of steam inlets are established in the bottom, tunnel.5) condensate draining and automatic drainer are established in the bottom, tunnel.6) the alcohol vapour connecting leg is established on top, tunnel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNA2007101267804A CN101333544A (en) | 2007-06-29 | 2007-06-29 | Production process for continuously distilling ethanol by continuous fermentation of sweet sorghum stalks |
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CNA2007101267804A CN101333544A (en) | 2007-06-29 | 2007-06-29 | Production process for continuously distilling ethanol by continuous fermentation of sweet sorghum stalks |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102094045A (en) * | 2010-11-18 | 2011-06-15 | 清华大学 | Process and device for continuously separating ethanol from solid state fermentation materials |
CN102586081A (en) * | 2012-01-31 | 2012-07-18 | 山西鼎圣精工有限公司 | Brewing device by taking sweet sorghum stalks as raw materials |
WO2015018195A1 (en) * | 2013-08-07 | 2015-02-12 | 清华大学 | Ethanol production device through continuous solid fermentation and having self-control system and process thereof |
-
2007
- 2007-06-29 CN CNA2007101267804A patent/CN101333544A/en active Pending
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102094045A (en) * | 2010-11-18 | 2011-06-15 | 清华大学 | Process and device for continuously separating ethanol from solid state fermentation materials |
CN102094045B (en) * | 2010-11-18 | 2013-10-16 | 清华大学 | Process and device for continuously separating ethanol from solid state fermentation materials |
CN102586081A (en) * | 2012-01-31 | 2012-07-18 | 山西鼎圣精工有限公司 | Brewing device by taking sweet sorghum stalks as raw materials |
CN102586081B (en) * | 2012-01-31 | 2013-07-24 | 山西鼎圣精工有限公司 | Brewing device by taking sweet sorghum stalks as raw materials |
WO2015018195A1 (en) * | 2013-08-07 | 2015-02-12 | 清华大学 | Ethanol production device through continuous solid fermentation and having self-control system and process thereof |
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Open date: 20081231 |