CN108103112A - A kind of technique that alcohol fuel is produced as raw material using cornstarch matter - Google Patents
A kind of technique that alcohol fuel is produced as raw material using cornstarch matter Download PDFInfo
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- CN108103112A CN108103112A CN201810135909.6A CN201810135909A CN108103112A CN 108103112 A CN108103112 A CN 108103112A CN 201810135909 A CN201810135909 A CN 201810135909A CN 108103112 A CN108103112 A CN 108103112A
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- wine
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- dregs
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
- C12P7/00—Preparation of oxygen-containing organic compounds
- C12P7/02—Preparation of oxygen-containing organic compounds containing a hydroxy group
- C12P7/04—Preparation of oxygen-containing organic compounds containing a hydroxy group acyclic
- C12P7/06—Ethanol, i.e. non-beverage
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The present invention discloses a kind of technique that alcohol fuel is produced using cornstarch matter as raw material, and crushing and liquefaction workshop section, saccharification workshop section, fermentation workshop section, ethanol distillation dehydration workshop section, useless grain integrated treatment workshop section and byproduct including starchy material recycle workshop section.The present invention produces alcohol fuel by fermenting raw materials of cornstarch matter, method is simple, obtained alcohol fuel quality meets standard GB/T 18,350 2013, and it is sprayed and liquefied through one or more levels high-performance jet emitter using high concentration slurry, in combination with wine with dregs wine with dregs heat-exchanging process, the technological means such as reuse clear liquid allotment, not only ensure liquefaction effect, but also achieve the purpose that energy-saving and water-saving；Each workshop section uses energy source optimization integration technology, the whole steam consumption≤3.0 ton vapour/ton absolute ethyl alcohol；Plant investment is low compared with traditional handicraft simultaneously, and technological process is succinctly efficient, easy to maintain；Also, thick tower gives up mash temperature control at 80~95 DEG C or so, has to the feed lustre index of DDGS and substantially proposes excellent effect.
Description
Technical field
The present invention relates to alcohol production fields, are specifically related to a kind of more energy saving using cornstarch matter as raw material production
The technique of alcohol fuel.
Background technology
Alcohol industry refers to using cereal, potato, molasses as raw material, fermented, distillation and produce alcohol fuel, edible alcohol
It is the important basic material industry of national economy with the industry of industrial alcohol.In recent decades, with oil price skyrocket and
Biotechnology is maked rapid progress, and is produced to substitute vehicle fuel using biomass as raw material, is reduced vehicle exhaust harmful substance
Alcohol fuel is using increasingly extensive.It is printed and distributed as 15 ministries and commissions such as National Development and Reform Committee, Bureau of Energy combine《On expansion bio-fuel
Alcohol production and the embodiment for promoting the use of vehicle-use alcohol gasoline》, domestic fuel ethanol industry can expand further.
Chinese invention patent CN102286544A discloses a kind of clean preparation method of starch base alcohol fuel, is using
During this method production alcohol fuel, integrated artistic steam consumption >=3.45 ton/ton alcohol fuel, the steam consumption of the method
Energy consumption levels is waited also to be in relatively high level.
The content of the invention
To solve the above-mentioned problems, the present invention provides a kind of technique that alcohol fuel is produced using cornstarch matter as raw material,
The technique is improved existing technology, so as to further reduce energy consumption, improves product quality and productivity effect.
To achieve the above object, the present invention adopts the following technical scheme that：
As shown in Figure 1, a kind of technique that alcohol fuel is produced using cornstarch matter as raw material, including following workshop section：
(1) crushing of starchy material and liquefaction workshop section：Cornstarch matter raw material is crushed to 1~3mm sizes, Ran Houyu
The process water and alpha-amylase of certain temperature are mixed evenly, and obtain the slurry that dry biomass content is 20%~34%,
Slurry, by being sent into pre liquefied tank after being steam heated to 70~85 DEG C, stirs evenly through first injector, obtains pre liquefied wine with dregs；Pre- liquid
Change wine with dregs and be first preheated to 80~95 DEG C through wine with dregs wine with dregs heat exchanger, then heated through multi-stage jet liquefier by steam, drop temperature control
At 95~110 DEG C；Pre liquefied wine with dregs after heating comes out from multi-stage jet liquefier, after maintainer, into wine with dregs wine with dregs heat exchanger,
Pre liquefied wine with dregs with being heated without multi-stage jet liquefier exchanges heat, and temperature is reduced to 80~95 DEG C or so, afterwards pre liquefied
Wine with dregs enters rear liquefied pot, and at the same time starch further disperses, and albumen further solidifies, and is added followed by amylase and carries out boiling
Curing, cools down after gained pre liquefied wine with dregs after curing is cooled to 40~60 DEG C, obtains liquefied fermented glutinous rice；Then after adjusting cooling
Liquefied fermented glutinous rice pH value, and add in carbohydrase, converted mash obtained after being cooled further to 28~32 DEG C, and converted mash is sent to hair
Ferment workshop section；
(2) fermentation workshop section：A part of converted mash come from converted mash pumping enters distiller's yeast tank, while is added in into distiller's yeast tank
Nutritive salt is passed through filtrated air, and under aerobic conditions, the rapid amount reproduction of distiller's yeast controls suitable stream plus ratio, is passed through air
Amount, temperature, in favor of the growth and breeding of distiller's yeast, the heat generated in reproductive process is taken away by being cooled down outside Recycling Mother Solution；
Yeast wash containing a large amount of distiller's yeasts controls the liquid level of distiller's yeast tank to keep stablizing with the first tank of fermentation is pumped to；In distiller's yeast reproductive process
In there is certain alcohol to generate；Temperature in distiller's yeast tank is maintained at 28~30 DEG C；
Another part converted mash is directly entered fermentation tank, in tank, by the vital movement of distiller's yeast, and substantial amounts of alcohol life
Into in order to keep the quantity in the unit volume mash of distiller's yeast, certain filtrated air is passed through depending on the condition of production；
(3) ethanol distillation dehydration workshop section：Distillation workshop using multitower combine, coordinate molecular sieve thermal coupling technique, mainly by
Distilling apparatus and molecular sieve system composition, the distilling apparatus mainly include smart tower and thick tower；The molecular sieve system includes steaming
Send out device, superheater and molecular sieve bed.
Fermenting-ripening wine with dregs is preheated to 70 DEG C or more by the liquefied fermented glutinous rice without cooling after workshop section (1) cooking aging, then will hair
Ferment maturation wine with dregs is sent to distillation workshop, and through thick tower stripping, then after smart tower rectifying, the wine of 95% (v) is produced from the liquid phase of smart tower
Essence is used as anhydrous raw material.
Anhydrous raw material is sent after the preheating of alcohol fuel wine vapour to molecular sieve system, is entered after evaporator, superheater and is divided
Sub- sifting bed dehydration, obtains alcohol fuel wine vapour, while alcohol fuel wine vapour heat supply essence tower and thick tower.Last alcohol fuel wine vapour warp
The alcohol fuel that mass fraction is 99.5% is obtained after supercooling.
Fuel ethanol product is obtained after adding denaturant in the process of alcohol products, product quality meets country
Standard GB18350-2013.
Preferably, the starch liquefaction of the workshop section (1) uses the continuous steaming-boiling technology of boiling after low-pressure steam injection,
It is heated evenly mixing slurry, starchy material gelatinization is thorough；Compared with high-temperature cooking process, the rate of getting alcohol can be improved
0.5%, and energy saving 30%；The heat that the temperature of the pre liquefied wine with dregs after curing is discharged from 95~105 DEG C of cooling downs is used for
Before fermenting-ripening wine with dregs is sent into destilling tower, fermenting-ripening wine with dregs is heated.
Preferably, the cooling of pre liquefied wine with dregs after curing using two-stage cooler, carries out cold step by step in the workshop section (1)
But, cooler uses spiral plate type or panel cooler.
Preferably, the converted mash in the workshop section (2) is when time >=60 of fermentation tank are small；Wine part of fermenting-ripening wine with dregs reaches
To 14~17% (v/v)；Substantial amounts of heat is had during the fermentation to release, and ensures the steady of fermentation temperature by being cooled down outside tank
It is fixed；Fermentation temperature is 31~35 DEG C；Fermentation tank uses vertical stirrer, so as to greatly improve the alcohol concentration of fermentation tank.
Preferably, the distillation workshop further includes scrubbing tower, and distiller's yeast tank and fermentation tank are in fermentation process in the workshop section (2)
The C0 of generation2The recycling of carbon dioxide is carried out into scrubbing tower.
Preferably, the molecular sieve bed in the workshop section (3) includes sieve adsorpting bed and molecular sieve parsing bed.
Molecular sieve system in the workshop section (3) can realize that molecular sieve system internal heat resource couples.
The present invention using cornstarch matter for raw material produce alcohol fuel technique further include useless grain integrated treatment workshop section with
Byproduct recycles workshop section.Wherein, useless grain processing is that after carrying out separation of solid and liquid to useless wine with dregs, solid and liquid are located respectively
Reason is allowed to be converted into feed, organic fertilizer or other byproducts, spice of the clear liquid and condensed water that process generates as each workshop section
With water, waste water after treatment, part Treated sewage reusing, part qualified discharge.
If for example, producing alcohol by raw material of corn, useless grain integrated treatment workshop section is mainly dense by separation of solid and liquid, evaporation
Processes composition, the equipment of use such as contracting, dry, wind turbine conveying, storage powder, packaging mainly have：Decanter centrifuge is concentrated by evaporation dress
It puts, the equipment such as drying machine, packing machine.
Processing procedure mainly includes：Separation of solid and liquid is carried out to useless grain, obtains wet grain and clear liquid, the supernatant fraction after separation returns
With, partly into evaporation concentration device produce underflow, after underflow is mixed with wet grain, by pipe bundle drier drying, cool down after, obtain
To DDGS.The secondary condensate generated to clear liquid concentration is handled, and spice water of the water as each workshop section during treated is realized
The recycling of each workshop section's industrial water.The evaporation concentration device generates waste hot gas, waste hot gas warp in evaporating concentration process
After crossing processing, it is used as the heat source of workshop section (3) distilling apparatus, a large amount of steam can be saved.
Moreover, the heat source of the distilling apparatus of the workshop section (3) further includes the alcohol fuel wine vapour in the molecular sieve system
The waste heat that thermal coupling is recycled.
Specific maize alcohol stillage process flow is as follows：
The advanced vinasse tank of wine lees liquor come from distillation workshop section, after vinasse pump gets to decanter centrifuge separation, separates clear liquid
Flow into separation Clear liquid tank.
Part clear liquid returns match somebody with somebody after, other clear liquids are by a set of pre-concentration multi-effect evaporator (using drying waste vapour as heat source
Pre-concentration evaporator) half underflow liquid that concentrate concentration is made to reach more than 10%, then continue to be condensed into drying machine into enrichment contracting
Required underflow is sent to batch mixer together with separating obtained solid content and dried return material and carries out combination drying.
Dried material collects laggard material bin through wind model system, and material directly send baling press after air cooling
DDGS finished products are made.
Evaporation divides two-lines, pre-concentration and enrichment contracting；Wherein the dry waste vapour of pre-concentration and vapor condensed water flash steam make heat source,
This vapo(u)rization system is made of the high-fall film evaporator of multiple-effect, low circulation, high vaporization rate, and the juice vapour that end effect comes out removes Distallation systm
Make heat source, while save a large amount of recirculated waters.
The raw steam of enrichment contracting makees heat source, according to physical property feature, using multiple effect falling film evaporator and an effect forced circulation
Evaporator.Continue the laggard drying of underflow of concentration required for being concentrated to from half underflow that pre-concentration device comes out into enrichment compression apparatus
Machine is dried.
And byproduct recycles workshop section and is then recycled including liquid CO 2, the precision of methane purification purification and fusel oil
Separation.Its main purpose is to improve the added value of byproduct, realizes the maximization of the entire production process utilization of resources and economic effect
The maximization of benefit.
The beneficial effects of the present invention are：
It liquefies 1. being sprayed using high concentration slurry through multistage high-performance jet emitter, in combination with wine with dregs wine with dregs heat-exchanging process, reuse
The technological means such as clear liquid allotment, not only ensure liquefaction effect, but also achieve the purpose that energy saving.
2. compared to existing process, each workshop section of the present invention is using energy source optimization integration technology, the whole steam consumption≤3.0
Ton vapour/ton absolute ethyl alcohol.
3. plant investment is low compared with traditional handicraft, technological process is succinctly efficient, easy to maintain.
4. thick tower gives up, mash temperature control has the feed lustre index of DDGS and substantially proposes excellent effect at 80~95 DEG C.
Description of the drawings
Fig. 1 is the technique general flow chart of the present invention.
Specific embodiment
Below with reference to attached drawing, the invention will be further described, it is necessary to which explanation, the present embodiment is with this technology side
Premised on case, detailed embodiment and specific operating process are given, but protection scope of the present invention is not limited to this reality
Apply example.
Embodiment 1
The technique that alcohol fuel is produced using cornstarch as fermenting raw materials is as follows：
By 130 tons/h corns, (content of starch 65%, 14%) biodiversity content is is crushed to 1~3mm sizes, then
It is mixed evenly with water and alpha-amylase, obtains the slurry that dry biomass content is 20%~34%, slurry is sprayed through level-one
Emitter is sent into pre liquefied tank after heating 70~85 DEG C by steam, stirs evenly, obtains pre liquefied wine with dregs, pre liquefied wine with dregs is first changed through wine with dregs wine with dregs
Hot device is preheated to 80~95 DEG C, is then heated through multi-stage jet liquefier by steam, and drop temperature is controlled at 95~110 DEG C；Add
Pre liquefied wine with dregs after heat comes out from multi-stage jet liquefier, after maintainer, into wine with dregs wine with dregs heat exchanger, and without multi-stage jet
The pre liquefied wine with dregs of liquefier heating exchanges heat, and temperature is reduced to 85~95 DEG C or so, and pre liquefied wine with dregs enters rear liquefied pot afterwards,
Starch further disperses simultaneously, and albumen further solidifies, and is subsequently added into amylase and carries out cooking aging, and gained is after curing pre-
Liquefied fermented glutinous rice cooling down, obtains liquefied fermented glutinous rice；Then the pH value of liquefied fermented glutinous rice after cooling is adjusted, and adds in carbohydrase, it is further cold
But to after 28~32 DEG C, obtaining converted mash, and converted mash is sent to fermentation workshop section；
Fermentation：A part of converted mash come from converted mash pumping enters distiller's yeast tank, while nutritive salt is added in into distiller's yeast tank,
Filtrated air is passed through, under aerobic conditions, the rapid amount reproduction of distiller's yeast controls suitable stream plus ratio, is passed through air capacity, temperature
Degree, in favor of the growth and breeding of distiller's yeast, the heat generated in reproductive process is taken away by being cooled down outside Recycling Mother Solution；Containing big
The yeast wash of distiller's yeast is measured with the first tank of fermentation is pumped to, the liquid level of distiller's yeast tank is controlled to keep stablizing；Have one in distiller's yeast reproductive process
Fixed alcohol generates；Temperature in distiller's yeast tank is maintained at 28~35 DEG C；
Another part converted mash is directly entered fermentation tank, in tank, by the vital movement of distiller's yeast, and substantial amounts of alcohol life
Into in order to keep the quantity in the unit volume mash of distiller's yeast, certain filtrated air is passed through depending on the condition of production；
Distillation and dehydration：Distillation workshop is combined using multitower, coordinates molecular sieve thermal coupling technique, mainly by distilling apparatus and
Molecular sieve system forms, and the distilling apparatus mainly includes smart tower and thick tower；The molecular sieve system includes evaporator, superheater
And molecular sieve bed.
Fermenting-ripening wine with dregs is preheated to 70 DEG C or more by the liquefied fermented glutinous rice without cooling after workshop section (1) cooking aging, then will hair
Ferment maturation wine with dregs is sent to distillation workshop, and through thick tower stripping, then after smart tower rectifying, the wine of 95% (v) is produced from the liquid phase of smart tower
Essence is used as anhydrous raw material.
Anhydrous raw material is sent after the preheating of alcohol fuel wine vapour to molecular sieve system, through evaporator, the laggard molecular sieve of superheater
Bed dehydration obtains alcohol fuel wine vapour, while alcohol fuel wine vapour heat supply essence tower and thick tower.Last alcohol fuel wine vapour is through supercooling
But the alcohol fuel that mass fraction is 99.5% is obtained afterwards.The crushing of starchy material and liquefaction workshop section, ethanol distillation dehydration
Workshop section merges 0.8~1.0 ton/ton alcohol fuel of steam consumption.
Useless grain integrated treatment workshop section：The advanced vinasse tank of wine lees liquor come from distillation workshop section is got to sleeping spiral shell through vinasse pump and is centrifuged
After machine separation, separation clear liquid flows into separation Clear liquid tank.
Part clear liquid returns match somebody with somebody after, other clear liquids are by a set of pre-concentration multi-effect evaporator (using drying waste vapour as heat source
Pre-concentration evaporator) half underflow liquid that concentrate concentration is made to reach more than 10%, then continue to be condensed into drying machine into enrichment contracting
Required underflow is sent to batch mixer together with separating obtained solid content and dried return material and carries out combination drying.
Dried material collects laggard material bin through wind model system, and material directly send baling press after air cooling
DDGS finished products are made.
Evaporation divides two-lines, pre-concentration and enrichment contracting；Wherein pre-concentration dry waste vapour and vapor condensed water flash steam heat source,
This vapo(u)rization system is made of multiple-effect falling film evaporator, low circulation, high vaporization rate, and the juice vapour that end effect comes out removes smart tower and thick tower
Make heat source, while save a large amount of recirculated waters.
Enrichment contracting does heat source with raw steam, according to physical property feature, using multiple effect falling film evaporator and an effect forced circulation
Evaporator.Continue the laggard drying of underflow of concentration required for being concentrated to from half underflow that pre-concentration device comes out into enrichment compression apparatus
Machine is dried.
Byproduct recycles：Liquid CO 2 is recycled, carries out methane purification purification and the accurate separation of fusel oil.
The total steam consumption of full workshop section is≤3.0 ton/ton alcohol fuels (workshop section of integrated treatment containing useless grain).
Reference examples 1
The technique that alcohol fuel is produced using cornstarch as fermenting raw materials is as follows：
By 71.6 tons/h corns, (content of starch 65%, biodiversity content are 2mm 14%) to be crushed to average grain diameter
Pre liquefied tank is sent into, adds in spice water, alpha-amylase obtains the slurry that dry biomass content is 26.5%, to mix slurry
It closes uniformly, equipped with blender in tank, pre liquefied tank is sent into after slurry is preheated, in pre liquefied tank, above-mentioned slurry is by directly steaming
Vapour is heated to 80~90 DEG C.
Then slurry removes Jet liquefier by pumping, and steam jet ejector drop temperature is controlled to be added for 95~105 DEG C
Mash after heat.Mash after heating is sent into boiling column and carries out cooking aging.Mash after curing is pumped to slurry preheating
Device after being preheated to the slurry for being introduced into liquefied pot, enters flash tank after reducing temperature, and the temperature of liquefied fermented glutinous rice is 60 after flash distillation
~65 DEG C.
Liquefied fermented glutinous rice uses sulphur acid for adjusting pH value in saccharifying tank (outfit blender), then adds in α-Isosorbide-5-Nitrae-glucose hydrolysis enzyme
It is saccharified, the mash after saccharification is cooled down step by step by pump conveying through two-stage panel cooler, is cooled to 28~33 DEG C, is sent to
Fermentation workshop section.
Ferment the yeast that workshop section is come using Intermittent fermentation, mash addition from distiller's yeast tank, fermentation time 60h, temperature
For 33 DEG C.After fermentation, the fermenting-ripening wine with dregs obtained send to distillation and dehydration workshop section, tank body through scrub sterilizing after repeat with
Upper operation.
Fermenting-ripening wine with dregs is given up through topping still alcohol steam, absolute ethyl alcohol finished product steam, topping still bottom of towe after the preheating of wine with dregs three-level
It is de-gassed into topping still degassing stages, the CO of abjection2With alcohol steam into de- vapour section condenser condensation, CO is discharged2And it does not coagulate
Gas；Ripe wine with dregs after degassing is divided into two strands, one carries out predistillation into topping still stripping section, obtains alcohol steam through de-
Thick wine is obtained after the condensation of vapour section condenser, into crude alcohol tank, obtained useless wine with dregs is discharged by topping still bottom, goes to useless grain processing
Workshop section；Ripe wine with dregs after another burst of degassing is from degassing stages bottom lateral line withdrawal function, flow 180t/h, and the combined tower tower reactor wine with dregs that gives up is pre-
It is distilled again into combined column after heat, the alcohol steam (95.8%V/V) that tower top obtains is partly into the strong of topping still
It is condensed in system Xun Huan reboiler, for condensation latent heat for heating topping still, condensate liquid obtains useless wine with dregs by combined column as overhead reflux
Bottom is discharged, and goes to useless grain processing section；Another part alcohol steam is sent to molecular sieve dehydration unit, obtains concentration as (70%
V/V light wine and absolute ethyl alcohol finished product steam), light wine enter crude alcohol tank, fuel are obtained after the condensation of absolute ethyl alcohol finished product steam
Alcohol product；Mass flow is 25.2 tons/h, and product quality fraction is 99.2%, water content ＜ 0.5%, acid content 46ppm, is expired
Sufficient standard GB/T 18350-2013, distillation and dehydration workshop section steam consumption are 1.4~1.8 ton/ton alcohol fuels.
The useless wine with dregs discharged from topping still and combined column bottom of towe is handled through plate and frame filter press press filtration, and the clear liquid isolated 30% returns
As liquefaction workshop section water, 70% produces underflow into evaporation concentration device, underflow is mixed with the filter residue that filter press comes out, through pipe
Beam drying machine is dry, be granulated, cooling obtains the DDGS feeds that moisture is less than 11.5%.The waste heat gas disposal of pipe bundle drier outlet
Afterwards, for the supplemental heat source of evaporation concentration device.The secondary condensate that clear liquid concentration generates carries out sewage disposal, water during treated
It is used as liquefaction workshop section water, realizes the recycling of full factory's industrial water.The total steam consumption of full workshop section is 3.45 ton/ton fuel
Ethyl alcohol (workshop section of integrated treatment containing useless grain).
Compared to reference examples 1, the steam consumption that workshop section is distilled and be dehydrated to embodiment 1 reduces 42%~44%, full workshop section
Total steam consumption reduces 5%~15%.
For those skilled in the art, can be made various corresponding according to above technical solution and design
Change and deform, and all these change and deformation should be construed as being included within the protection domain of the claims in the present invention.
Claims (9)
1. a kind of technique that alcohol fuel is produced as raw material using cornstarch matter, which is characterized in that including following workshop section：
(1) crushing of starchy material and liquefaction workshop section：Cornstarch matter raw material is crushed, is then mixed with water and alpha-amylase
It stirs evenly, obtains the slurry that dry biomass content is 20%~34%, slurry is through first injector by being steam heated to 70
Pre liquefied tank is sent into after~85 DEG C, stirs evenly, obtains pre liquefied wine with dregs；Pre liquefied wine with dregs is first preheated to 80~95 through wine with dregs wine with dregs heat exchanger
DEG C, then heated through multi-stage jet liquefier by steam；Pre liquefied wine with dregs after heating comes out from multi-stage jet liquefier, by dimension
After holder, into wine with dregs wine with dregs heat exchanger, the pre liquefied wine with dregs with being heated without multi-stage jet liquefier exchanges heat, and temperature is reduced to 80
~95 DEG C, afterwards pre liquefied wine with dregs enter rear liquefied pot, add amylase carry out cooking aging, by gained pre liquefied after curing
Wine with dregs is cooled down after being cooled to 40~60 DEG C, obtains liquefied fermented glutinous rice；Then the pH value of liquefied fermented glutinous rice after cooling is adjusted, and adds in saccharification
Enzyme after being cooled further to 28~32 DEG C, obtains converted mash, and converted mash is sent to fermentation workshop section；
(2) fermentation workshop section：A part of converted mash come from converted mash pumping enters distiller's yeast tank, while nutrition is added in into distiller's yeast tank
Salt is passed through filtrated air, and under aerobic conditions, distiller's yeast is bred rapidly, control stream plus ratio, air intake and temperature, with profit
In the growth and breeding of distiller's yeast, the heat that distiller's yeast generates in reproductive process is taken away by being cooled down outside Recycling Mother Solution；Contain distiller's yeast
Yeast wash with the first tank of fermentation is pumped to, the liquid level of distiller's yeast tank is controlled to keep stablizing；Temperature in control distiller's yeast tank is maintained at 28
~30 DEG C；
Another part converted mash is directly entered fermentation tank, and in tank, by the vital movement of distiller's yeast, fermentation generates alcohol, in order to
The quantity in the unit volume mash of distiller's yeast is kept, is passed through filtrated air；
(3) ethanol distillation dehydration workshop section：Distillation workshop is mainly made of distilling apparatus and molecular sieve system, and coordinates thermal coupling work
Skill；The distilling apparatus mainly includes smart tower and thick tower；The molecular sieve system includes evaporator, superheater and molecular sieve bed；
Fermenting-ripening wine with dregs is preheated to 70 DEG C or more by the liquefied fermented glutinous rice without cooling after workshop section (1) cooking aging, then by fermenting-ripening wine with dregs
It send to distillation workshop, through thick tower stripping, then after smart tower rectifying, volume withdrawl fraction is 95% alcohol from the liquid phase of smart tower
As anhydrous raw material；
Anhydrous raw material is sent after the preheating of alcohol fuel wine vapour to molecular sieve system, and molecular sieve is entered after evaporator, superheater
Bed dehydration, obtains alcohol fuel wine vapour, and alcohol fuel wine vapour obtains the fuel second that mass fraction is 99.5% after supercooling
Alcohol.
2. the technique according to claim 1 that alcohol fuel is produced as raw material using cornstarch matter, which is characterized in that described
The starch liquefaction of workshop section (1) uses the continuous steaming-boiling technology of boiling after multistage low-pressure steam injection；The multistage steam
It sprays for level-one or the injection of level-one more than steam；The heat of the pre liquefied wine with dregs cooling down release after curing is used to ferment
Ripe wine with dregs is sent into before distillation workshop, and fermenting-ripening wine with dregs is heated.
3. the technique according to claim 1 that alcohol fuel is produced as raw material using cornstarch matter, which is characterized in that described
The cooling of pre liquefied wine with dregs after curing uses two-stage cooler in workshop section (1), is cooled down step by step, and cooler uses spiral plate type
Or panel cooler.
4. the technique according to claim 1 that alcohol fuel is produced as raw material using cornstarch matter, which is characterized in that described
For converted mash in workshop section (2) when time >=60 of fermentation tank are small, fermentation temperature is 31~35 DEG C；Fermentation tank uses vertical mixing
Device.
5. the technique according to claim 1 that alcohol fuel is produced as raw material using cornstarch matter, which is characterized in that described
Distillation workshop further includes scrubbing tower, the C0 that distiller's yeast tank and fermentation tank are generated in fermentation process in the workshop section (2)2Into scrubbing tower
Carry out the recycling of carbon dioxide.
6. the technique according to claim 1 that alcohol fuel is produced as raw material using cornstarch matter, which is characterized in that described
Molecular sieve system in workshop section (3) realizes the coupling of molecular sieve system internal heat resource；The molecular sieve bed includes sieve adsorpting bed
Bed is parsed with molecular sieve.
7. the technique according to claim 1 that alcohol fuel is produced as raw material using cornstarch matter, which is characterized in that also wrap
Useless grain integrated treatment workshop section is included, the processing procedure of the useless grain integrated treatment workshop section includes：Separation of solid and liquid is carried out to useless grain, is obtained
Wet grain and clear liquid, the supernatant fraction reuse after separation partly produce underflow into evaporation concentration device, underflow are mixed with wet grain
Afterwards, after pipe bundle drier drying, cooling, DDGS is obtained；The secondary condensate generated to clear liquid concentration is handled, after processing
Spice water of the middle water as each workshop section；The evaporation concentration device generates waste hot gas, waste hot gas in evaporating concentration process
After treatment, it is used as the heat source of workshop section (3) distilling apparatus.
8. the technique that alcohol fuel is produced as raw material using cornstarch matter according to claim 1 or 7, which is characterized in that
The alcohol fuel wine vapour thermal coupling that the heat source of workshop section (3) distilling apparatus is further included in the molecular sieve system is recycled remaining
Heat.
9. the technique according to claim 1 that alcohol fuel is produced as raw material using cornstarch matter, which is characterized in that also wrap
It includes subsequent byproduct and recycles workshop section, the byproduct recycles workshop section and carried including liquid CO 2 recycling, biogas
The accurate separation of sublimate and fusel oil.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810135909.6A CN108103112B (en) | 2018-02-09 | 2018-02-09 | Process for producing fuel ethanol by using corn starch as raw material |
| BR112019018873A BR112019018873A2 (en) | 2018-02-09 | 2019-01-25 | process for producing fuel ethanol using corn starch as a raw material. |
| PCT/CN2019/073107 WO2019154110A1 (en) | 2018-02-09 | 2019-01-25 | Process for producing ethanol fuel by using corn starch as raw material |
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| CN201810135909.6A CN108103112B (en) | 2018-02-09 | 2018-02-09 | Process for producing fuel ethanol by using corn starch as raw material |
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| CN108103112B CN108103112B (en) | 2021-12-21 |
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| Country | Link |
|---|---|
| CN (1) | CN108103112B (en) |
| BR (1) | BR112019018873A2 (en) |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102286544A (en) * | 2011-07-14 | 2011-12-21 | 中国科学院广州能源研究所 | Method for cleanly producing starch-based fuel ethanol |
| CN102911986A (en) * | 2012-10-22 | 2013-02-06 | 郑州大学生化工程中心 | Technology for liquefying and saccharifying starch bearing materials |
| CN104151135A (en) * | 2014-07-24 | 2014-11-19 | 广东中科天元新能源科技有限公司 | Molassess raw material top-grade alcohol distillation and waste liquid concentration thermal coupling device and process |
| CN104498533A (en) * | 2014-11-17 | 2015-04-08 | 中国石油集团东北炼化工程有限公司吉林设计院 | Method for preparing ethyl alcohol |
| CN106495988A (en) * | 2016-09-27 | 2017-03-15 | 广西罗城科潮基业科技发展有限公司 | A kind of processing method of top grade alcohol absolute alcohol |
| CN107287261A (en) * | 2016-03-30 | 2017-10-24 | 郑州大学 | A kind of liquefying starchiness raw material saccharification waste heat reclaiming process |
| CN107418979A (en) * | 2017-07-05 | 2017-12-01 | 天津大学 | A kind of alcohol fuel energy-saving clean production method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101948875B (en) * | 2010-06-25 | 2012-11-21 | 临沂市金沂蒙生物科技有限公司 | Method for preparing ethanol by low-temperature digestion and thick mash fermentation of starch as raw material |
| CN103382489A (en) * | 2013-08-08 | 2013-11-06 | 河南天冠企业集团有限公司 | Method for producing alcohol through liquor fermentation |
| CN106011179A (en) * | 2016-08-05 | 2016-10-12 | 安徽安特食品股份有限公司 | Alcohol production technology |
| CN108103112B (en) * | 2018-02-09 | 2021-12-21 | 广东中科天元新能源科技有限公司 | Process for producing fuel ethanol by using corn starch as raw material |
-
2018
- 2018-02-09 CN CN201810135909.6A patent/CN108103112B/en active Active
-
2019
- 2019-01-25 BR BR112019018873A patent/BR112019018873A2/en not_active IP Right Cessation
- 2019-01-25 WO PCT/CN2019/073107 patent/WO2019154110A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102286544A (en) * | 2011-07-14 | 2011-12-21 | 中国科学院广州能源研究所 | Method for cleanly producing starch-based fuel ethanol |
| CN102911986A (en) * | 2012-10-22 | 2013-02-06 | 郑州大学生化工程中心 | Technology for liquefying and saccharifying starch bearing materials |
| CN104151135A (en) * | 2014-07-24 | 2014-11-19 | 广东中科天元新能源科技有限公司 | Molassess raw material top-grade alcohol distillation and waste liquid concentration thermal coupling device and process |
| CN104498533A (en) * | 2014-11-17 | 2015-04-08 | 中国石油集团东北炼化工程有限公司吉林设计院 | Method for preparing ethyl alcohol |
| CN107287261A (en) * | 2016-03-30 | 2017-10-24 | 郑州大学 | A kind of liquefying starchiness raw material saccharification waste heat reclaiming process |
| CN106495988A (en) * | 2016-09-27 | 2017-03-15 | 广西罗城科潮基业科技发展有限公司 | A kind of processing method of top grade alcohol absolute alcohol |
| CN107418979A (en) * | 2017-07-05 | 2017-12-01 | 天津大学 | A kind of alcohol fuel energy-saving clean production method |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN110923267A (en) * | 2018-09-19 | 2020-03-27 | 南京理工大学 | Ethanol distillation and cellulose pretreatment integrated ethanol preparation process |
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| CN110923267B (en) * | 2018-09-19 | 2023-08-18 | 南京理工大学 | Ethanol preparation process integrating ethanol distillation and cellulose pretreatment |
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| CN109762851B (en) * | 2018-12-27 | 2020-10-30 | 吉林中粮生化有限公司 | Method for producing fuel ethanol and byproduct rice DDGS by processing rice |
| CN110066215A (en) * | 2019-04-30 | 2019-07-30 | 天津大学 | The heat coupling integration method of fuel ethanol production process based on wet poor product |
| CN112813109A (en) * | 2019-11-18 | 2021-05-18 | 国投生物科技投资有限公司 | Method and system for producing ethanol by using starchy raw material and application thereof |
| CN111424057A (en) * | 2020-04-09 | 2020-07-17 | 中粮营养健康研究院有限公司 | Process for producing ethanol |
| CN111304261B (en) * | 2020-04-09 | 2023-08-08 | 吉林中粮生化有限公司 | Method for producing ethanol by fermentation |
| CN111440828A (en) * | 2020-04-09 | 2020-07-24 | 吉林中粮生化有限公司 | Method for preparing slurry and liquefying starchy material and method for preparing ethanol |
| CN111304261A (en) * | 2020-04-09 | 2020-06-19 | 吉林中粮生化有限公司 | Method for producing ethanol by fermentation |
| CN113061627A (en) * | 2021-03-23 | 2021-07-02 | 中建安装集团有限公司 | Energy-saving process for producing fuel ethanol by using starch-based raw materials |
| CN113061627B (en) * | 2021-03-23 | 2022-03-22 | 中建安装集团有限公司 | Energy-saving process for producing fuel ethanol by using starch-based raw materials |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2019154110A1 (en) | 2019-08-15 |
| CN108103112B (en) | 2021-12-21 |
| BR112019018873A2 (en) | 2020-04-14 |
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