CN110184185A - The secondary liquefaction device and liquefaction process of starchy material production alcohol - Google Patents
The secondary liquefaction device and liquefaction process of starchy material production alcohol Download PDFInfo
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- CN110184185A CN110184185A CN201910389811.8A CN201910389811A CN110184185A CN 110184185 A CN110184185 A CN 110184185A CN 201910389811 A CN201910389811 A CN 201910389811A CN 110184185 A CN110184185 A CN 110184185A
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- C12M29/00—Means for introduction, extraction or recirculation of materials, e.g. pumps
- C12M29/12—Pulsatile flow
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- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
- C12M33/04—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus by injection or suction, e.g. using pipettes, syringes, needles
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- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
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- C12P19/00—Preparation of compounds containing saccharide radicals
- C12P19/14—Preparation of compounds containing saccharide radicals produced by the action of a carbohydrase (EC 3.2.x), e.g. by alpha-amylase, e.g. by cellulase, hemicellulase
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- 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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Abstract
The present invention provides the secondary liquefaction devices and liquefaction process of starchy material production alcohol.The secondary liquefaction device and liquefaction process of starchy material production alcohol disclosed by the invention, increase waste heat recycling and reusing equipment, after the secondary steam for distilling workshop section after starchy material fermenting and producing alcohol is collected, steam heat exchanger is delivered to exchange heat to starchy material, to realize that production waste heat carries out recycling and reusing, reach energy-saving and emission-reduction, reduce the production cost of alcohol, improves the purpose of enterprise competitiveness；Amylase is added before the secondary liquefaction of starchy material simultaneously and starchy material is filtered, liquefying starchiness raw material quality is improved, long chained starch structure is hydrolyzed to short chain glucose structure, so that later stage fermentation improves spirit yield.
Description
Technical field
The invention belongs to starchy materials to produce alcohol equipment technical field, raw in particular to starchy material
Produce the secondary liquefaction device and liquefaction process of alcohol.
Background technique
In the prior art, when using the starchy materials such as wheat flour, corn flour production alcohol, the process that uses
The processing steps such as raw material crushing-liquefaction-saccharification-fermentation-distillation-grain slag separation are generally comprised, are once crushed in raw material
Afterwards, after needing for wheat flour or corn flour to be first mixed with α-amylase in liquefying, feeding carries out being warming up to 80-90 DEG C of liquid
It is melted into liquefied fermented glutinous rice, liquefied fermented glutinous rice is then subjected to saccharification post-fermentation, distillation, wherein the high-temperature steam of too many levels is directly cooling, causes
The loss and energy waste of amount of heat.At the same time, in actual industrial production, liquefying starchiness raw material is simultaneously not thorough, and is led
Cause alcoholic fermentation yield lower, wherein liquefying starchiness raw material and starchy material degree of grinding, condensing temperature, α-amylase etc. are more
Factor is related.
Therefore, how that the heat recovery of the heat of high-temperature steam after starchy material boiling and liquefied fermented glutinous rice is sharp again
With so that reaching reduces Alcohol Production cost, the purpose of energy-saving and emission-reduction；Improving liquefying starchiness raw material quality simultaneously is this field
The problem of personnel's urgent need to resolve.
Summary of the invention
The present invention is based at least one above-mentioned technical problem, and starchy material disclosed by the invention produces the two of alcohol
Secondary liquefaction device and liquefaction process increase waste heat recycling and reusing equipment, will distill work after starchy material fermenting and producing alcohol
Section secondary steam collect after, be delivered to steam heat exchanger and exchange heat to starchy material, thus realize production waste heat into
Row recycling and reusing, reaches energy-saving and emission-reduction, reduces the production cost of alcohol, improves the purpose of enterprise competitiveness；Simultaneously in starch
Amylase is added before the secondary liquefaction of matter raw material and starchy material is filtered, and improves liquefying starchiness raw material quality, long-chain is formed sediment
Powder structure is hydrolyzed to short chain glucose structure, so that later stage fermentation improves spirit yield.
In view of this, the invention proposes a kind of liquefaction devices of starchy material production alcohol, comprising: auger one is mixed
Material device one, steam heat exchanger, peristaltic pump add α-amylase device, material blending device two, liquefying plant and saccharification apparatus；Wherein twist
Dragon one connects material blending device one；Material blending device one connects steam heat exchanger；Steam heat exchanger connects material blending device two；It wriggles
Pump plus α-amylase device connect steam heat exchanger；Material blending device two connects liquefying plant；Liquefying plant is separately connected saccharification dress
It sets and material blending device one.
Preferably, liquefaction device further includes delivery pipe and the feeding pump that is adapted to delivery pipe；Wherein it is arranged in delivery pipe
Valve.
Preferably, liquefaction device further includes vacuum pump；Its intermediate pump is connect with material blending device one.
Preferably, steam heat exchanger is connect with the secondary steam in distillation technique.
Wherein, starchy material and high temperature spice water, amylase are added in material blending device one by auger one, wherein auger
One discharge port is connect with one feed inlet of material blending device, and starchiness mixture passes through delivery pipe after being preheated in material blending device one
It transports steam heat exchanger to exchange heat, then the starchiness mixture after heat exchange is delivered to material blending device two；Simultaneously by compacted
Amylase is added to material blending device two in dynamic pump plus α-amylase device again.Starchiness mixture by it is secondary it is enzyme after, transport
Liquefying plant carries out liquefaction and heat release forms liquefied fermented glutinous rice, is finally transported to saccharification apparatus and is saccharified.
Wherein, the hot air intake of the heat outlet connection material blending device one of liquefying plant.
Wherein amylase activity during starchiness mixture carries out high temperature preheating is destroyed, and starch in actual production
Although matter raw material is added in material blending device one by auger one again after crushing, because its crushing quantity is excessive, starchiness is former
Feed powder is broken and uneven；And amylase some lost activity cannot sufficiently digest starchy material, make starchy material
It is short chain glucose structure that long chained starch structure, which is unable to complete hydrolysis, causes to liquefy insufficient, leads to later period microbial fermentation wine
Smart yield is lower.In the technical scheme, the present invention carries out abundant enzyme twice to starchy material by amylase is added twice
Solution, overcomes amylase in traditional technology and starchy material is made to digest insufficient technology barrier.
Meanwhile the present invention increases waste heat recycling and reusing equipment, and the secondary steam after the distillation of starchiness mixture is collected
Afterwards, it is delivered to steam heat exchanger to exchange heat to starchiness mixture, to realize that production waste heat carries out recycling and reusing, reach
To energy-saving and emission-reduction, the production cost of alcohol is reduced, improves the purpose of enterprise competitiveness.
Further, material blending device one includes three mixing tanks being serially connected, respectively level-one mixing tank, second level spice
Tank and three-level mixing tank；Level-one mixing tank is connect with auger one；Level-one is arranged between level-one mixing tank and second level mixing tank to absorb heat
Tower and level-one gas-liquid separator compatible with level-one heat absorption tower；Second level is arranged between second level mixing tank and three-level mixing tank to absorb heat
Tower and second level gas-liquid separator compatible with second level heat absorption tower.
Wherein one discharge port of auger is connect with level-one mixing tank feed inlet, and level-one mixing tank discharge port connects level-one heat absorption tower
Feed inlet；Level-one heat absorption tower discharge port connects second level mixing tank feed inlet；Level-one heat absorption tower hot gas inlet connects liquefying plant
Hot gas outlet；Level-one heat absorption tower gas vent connects the gas feed of level-one gas-liquid separator；Level-one gas-liquid separator gas goes out
Mouth connection vacuum pump.
Meanwhile second level mixing tank discharge port connection second level heat absorption tower feed inlet；Second level heat absorption tower discharge port connection three-level is mixed
Batch can feed inlet；Second level heat absorption tower hot gas inlet connects steam heat exchanger hot gas outlet；Second level heat absorption tower gas vent
Connect the gas feed of second level gas-liquid separator；Second level gas-liquid separator gas vent connects vacuum pump.
Finally, three-level mixing tank discharge port connects steam heat exchanger feed inlet.
Starchiness mixture is respectively heated by the present invention by material blending device, wherein the hot gas difference source heated
Recycling hot gas in steam heat exchanger and liquefying plant, recycling hot gas can respectively reach 55 ~ 65 DEG C and 85 ~ 95 DEG C,
To realize that production waste heat carries out recycling and reusing, reaches energy-saving and emission-reduction, reduce the production cost of alcohol.
Further, steam heat exchanger includes steam jet ejector and level-one heat release tower；Level-one heat release tower is arranged in steam
Injector downstream；Stock column was set between steam jet ejector and level-one heat release tower；Steam jet ejector respectively with three-level mixing tank and
Cross stock column connection；Level-one heat release tower is connect with stock column excessively and second level heat absorption tower respectively.
Wherein three-level mixing tank discharge port connects steam jet ejector feed inlet；Steam jet ejector discharge port connected stock column into
Material mouth；Steam jet ejector steam inlet connects the secondary steam outlet in distillation technique；Cross the connection level-one heat release of stock column discharge port
Tower feed inlet；Level-one heat release tower discharge port connects two feed inlet of material blending device；Level-one heat release tower hot gas outlet connects second level and inhales
Thermal tower hot gas inlet.
Peristaltic pump adds α-amylase device discharge port to connect level-one heat release tower discharge port.
Further, steam jet ejector includes two level-one steam jet ejectors and second steam injector parallel with one another；
Level-one steam jet ejector is connect with three-level mixing tank and stock column excessively respectively；Second steam injector respectively with three-level mixing tank and mistake
Stock column connection.
Wherein three-level mixing tank discharge port is separately connected level-one steam jet ejector and second steam injector feed inlet；Level-one
Steam jet ejector and second steam injector discharge port were all connected with stock column feed inlet；Level-one steam jet ejector and second steam spray
Emitter steam inlet is all connected with the outlet of the secondary steam in distillation technique.
Level-one steam jet ejector is stand-by provision in the present invention, is only thrown after the failure of second steam injector
Enter to use.
Further, crossing stock column includes that three level-ones being serially connected cross stock column, second level crosses stock column and three-level crosses stock column；Three
Grade is crossed stock column and is connect with level-one heat release tower；Level-one is crossed stock column and is connect respectively with level-one steam jet ejector and second steam injector.
Wherein level-one steam jet ejector and second steam injector discharge port are all connected with level-one and cross stock column feed inlet；Level-one mistake
Stock column discharge port connection second level crosses stock column feed inlet；Second level crosses stock column discharge port connection three-level and crosses stock column feed inlet；Three-level punishment in advance
Column discharge port connects level-one heat release tower feed inlet.
The setting that stock column is crossed in the present invention can carry out buffer-stored to starchiness mixture therein, realize heat preservation storage
Function, wherein starchiness mixture crosses the time about 30-60min that stock column crosses to three-level stock column from level-one, in order to by starchiness
Mixture carries out amylorrhexis.Secondly, the setting of steam jet ejector further heats starchiness mixture, shallow lake may make
Silty mixture accelerates Liquefaction Rate, enhances liquefaction effect.
Further, material blending device two includes level Four mixing tank, filter and relieves machine；Level Four mixing tank connection level-one is put
Thermal tower；Filter is arranged in level Four mixing tank downstream；Filter is separately connected the machine of relieving and liquefying plant；Machine is relieved to mix with second level
Batch can connection.
Wherein level-one heat release tower discharge port connect level Four mixing tank feed inlet, level Four mixing tank discharge port connect filter into
Material mouth is filtered the starchiness mixture after amylase enzymolysis, and filter discharge port is separately connected the machine of relieving and liquefaction dress
Set feed inlet；Wherein partial size is that 3 ~ 5mm starchiness mixture is delivered to the machine of relieving；Remaining starchiness mixture is delivered to liquefaction
Device.
Machine discharge port connection second level mixing tank feed inlet is relieved, relieving machine for partial size is the progress of 3 ~ 5mm starchiness mixture
Material relieves after digestion is 1 mm and is delivered to second level mixing tank.
The present invention is filtered the starchiness mixture after Amylase digestion using filter, is the shallow lake 3 ~ 5mm by partial size
Silty mixture filters out, and relieves and is delivered to second level mixing tank progress heat resolve after digestion is 1 mm, makes starchy material liquid
Change sufficiently, make its short chain glucose structure of long chained starch structure complete hydrolysis, increases fermentation later period microorganism utilization rate, improve
Microbial fermentation spirit yield.
Further, liquefying plant includes second level heat release tower and liquefied pot；Liquefied pot respectively with filter and second level heat release
Tower connection；Second level heat release tower is connect with saccharification apparatus.
Wherein, filter discharge port connects liquefied pot feed inlet；Liquefied pot discharge port connects second level heat release tower feed inlet；Two
Grade heat release tower discharge port connects saccharification apparatus feed inlet.The level-one heat absorption tower hot gas of second level heat release tower hot gas outlet connection simultaneously
Import.
Wherein, liquefied liquifying method is carried out to starchy material using the liquefaction device of starchy material production alcohol,
It comprises the following steps that:
(1) mixing
Temperature is 35-45 DEG C after starchy material and high temperature spice water, amylase are mixed；
(2) it preheats
Mixture in step (1) is warming up to 45-60 DEG C and 70-75 DEG C respectively；
(3) steam heat-exchanging
It,, will using heat release after keeping 30-60min by starchiness mixture in step (2) using being steam heated to 85-95 DEG C
Starchiness mixture is cooled to 80-90 DEG C；
(4) secondary enzyme
Again be added amylase after starchiness mixture is filtered, partial size be 3 ~ 5mm starchiness mixture relieve digest be 1 mm
After be delivered to second level mixing tank；Remaining starchiness mixture liquefies, and keeping temperature to be 80-90 DEG C becomes liquefied fermented glutinous rice；
(5) heat release
Liquefied fermented glutinous rice progress heat release is cooled to 55-65 DEG C, carries out Mashing process afterwards.
Starchy material is added in level-one mixing tank to mix and stir with high temperature spice water, amylase by auger one in the present invention
It mixes, temperature is 35-45 DEG C, and mixture is warming up to 45-60 DEG C and 70-75 DEG C by level-one heat absorption tower and second level heat absorption tower respectively.
Starchiness mixture utilizes the Secondary-steam heating in distillation technique to 85-95 DEG C in steam jet ejector, and is delivered to level-one
Cross stock column, second level crosses stock column and three-level is crossed in stock column and sufficiently kept the temperature, wherein level-one crosses stock column and crosses stock column in total to three-level
Time is 30-60min.Starchiness mixture is finally subjected to heat release by level-one heat release tower again, starchiness mixture is cooled down
To 80-90 DEG C；Hot gas is recycled to second level heat absorption tower in level-one heat release tower.
When starchiness mixture is cooled to 80-90 DEG C, amylase is added according to amylorrhexis situation again, and by starch
Matter mixture is delivered to filter filtering, is that 3 ~ 5mm starchiness mixture filters out by partial size, relieving digestion using the machine of relieving is
It is delivered to second level mixing tank after 1 mm and carries out heat resolve；Remaining starchiness mixture is delivered to liquefied pot holding temperature
80-90 DEG C becomes liquefied fermented glutinous rice；Liquefied fermented glutinous rice is delivered to second level heat release tower and carries out heat release, and liquefied fermented glutinous rice is input into row heat release and is cooled to 55-
65℃；Second level heat release tower hot gas is recycled to level-one heat absorption tower.
By above technical scheme, the invention proposes the secondary liquefaction device of starchy material production alcohol and liquefaction works
Skill, the secondary liquefaction device and liquefaction process of starchy material production alcohol disclosed by the invention, increases waste heat recycling and reusing
Equipment is delivered to steam heat exchanger pair after collecting the secondary steam for distilling workshop section after starchy material fermenting and producing alcohol
Starchy material exchanges heat, to realize that production waste heat carries out recycling and reusing, reaches energy-saving and emission-reduction, reduces the production of alcohol
Cost improves the purpose of enterprise competitiveness；Amylase is added before the secondary liquefaction of starchy material simultaneously and to starchy material
Filtering improves liquefying starchiness raw material quality, long chained starch structure is hydrolyzed to short chain glucose structure, in favor of later stage fermentation
Improve spirit yield.
Detailed description of the invention
Fig. 1 shows the secondary liquefaction device structural schematic diagram of starchy material production alcohol in the present invention.
Wherein, 1 be auger one, 2 is that material blending device one, 3 is steam heat exchanger, 4 is that peristaltic pump adds α-amylase device, 5
It is liquefying plant for material blending device two, 6,7 is saccharification apparatus；8 it is vacuum pump, 201 be level-one mixing tank, 202 is second level spice
Tank, 203 be three-level mixing tank, 204 be level-one heat absorption tower, 205 be level-one gas-liquid separator, 206 be second level heat absorption tower, 207 be
Second level gas-liquid separator, 301 be level-one steam jet ejector, 302 be second steam injector, 303 be that level-one crosses stock column, 304 is
Second level cross stock column, 305 be three-level cross stock column, 306 be level-one heat release tower, 501 be level Four mixing tank, 502 be filter, 503 be
Relieve machine, 601 be second level heat release tower, 602 be liquefied pot.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
The invention proposes the secondary liquefaction device and liquefaction process of starchy material production alcohol, shallow lakes disclosed by the invention
Silty raw material produces the secondary liquefaction device and liquefaction process of alcohol, increases waste heat recycling and reusing equipment, by starchy material
After the secondary steam collection for distilling workshop section after fermenting and producing alcohol, it is delivered to steam heat exchanger and starchy material is changed
Heat reaches energy-saving and emission-reduction, reduces the production cost of alcohol, it is competing to improve enterprise to realize that production waste heat carries out recycling and reusing
Strive the purpose of power；Amylase is added before the secondary liquefaction of starchy material simultaneously and starchy material is filtered, improves starchiness
Raw material liquefaction quality, is hydrolyzed to short chain glucose structure for long chained starch structure, so that later stage fermentation improves spirit yield.Its
Specific structure such as Fig. 1.
Such as Fig. 1, the invention proposes a kind of liquefaction devices of starchy material production alcohol, comprising: auger 1, spice
Device 1, steam heat exchanger 3, peristaltic pump add α-amylase device 4, material blending device 25, liquefying plant 6 and saccharification apparatus 7；Its
Middle auger 1 connects material blending device 1；Material blending device 1 connects steam heat exchanger 3；Steam heat exchanger 3 connects spice dress
Set 25；Peristaltic pump adds α-amylase device 4 to connect steam heat exchanger 3；Material blending device 25 connects liquefying plant 6；Liquefying plant 6
It is separately connected saccharification apparatus 7 and material blending device 1.
In order to advanced optimize the technical program, proposes liquefaction device and further include delivery pipe and be adapted to delivery pipe
Feeding pump；Valve wherein is set in delivery pipe.
In order to advanced optimize the technical program, proposing liquefaction device further includes vacuum pump 8；Its intermediate pump 8 with mix
Expect that device 1 connects.
In order to advanced optimize the technical program, the secondary steam proposed in steam heat exchanger 3 and distillation technique connects
It connects.
In order to advanced optimize the technical program, proposing material blending device 1 includes three mixing tanks being serially connected, point
It Wei not level-one mixing tank 201, second level mixing tank 202 and three-level mixing tank 203；Level-one mixing tank 201 is connect with auger 1；One
Setting level-one heat absorption tower 204 and level-one compatible with level-one heat absorption tower 204 between grade mixing tank 201 and second level mixing tank 202
Gas-liquid separator 205；Between second level mixing tank 202 and three-level mixing tank 203 be arranged second level absorb heat tower 206 and with second level absorb heat tower
206 compatible second level gas-liquid separators 207.
In order to advanced optimize the technical program, proposing steam heat exchanger 3 includes steam jet ejector and level-one heat release
Tower 306；Level-one heat release tower 306 is arranged in steam jet ejector downstream；Punishment in advance is set between steam jet ejector and level-one heat release tower 306
Column；Steam jet ejector is connect with three-level mixing tank 203 and stock column excessively respectively；Level-one heat release tower 306 respectively with cross stock column and second level
The tower 206 that absorbs heat connects.
In order to advanced optimize the technical program, proposing steam jet ejector includes two level-one steam sprays parallel with one another
Emitter 301 and second steam injector 302；Level-one steam jet ejector 301 is connect with three-level mixing tank 203 and stock column excessively respectively；
Second steam injector is connect with three-level mixing tank 203 and stock column excessively respectively.
In order to advanced optimize the technical program, proposed stock column include three level-ones being serially connected cross stock column 303,
Second level crosses stock column 304 and three-level crosses stock column 305；Three-level is crossed stock column 305 and is connect with level-one heat release tower 306；Level-one is crossed stock column 303 and is divided
It is not connect with level-one steam jet ejector 301 and second steam injector 302.
In order to advanced optimize the technical program, proposing material blending device 25 includes level Four mixing tank 501, filter 502
With the machine that relieves 503；Level Four mixing tank 501 connects level-one heat release tower 306；Filter 502 is arranged in 501 downstream of level Four mixing tank；
Filter 502 is separately connected the machine of relieving 503 and liquefying plant 6；Machine 503 is relieved to connect with second level mixing tank 202.
In order to advanced optimize the technical program, proposing liquefying plant 6 includes second level heat release tower 601 and liquefied pot 602；
Liquefied pot 602 is connect with filter 502 and second level heat release tower 601 respectively；Second level heat release tower 601 is connect with saccharification apparatus 7.
Starchy material and high temperature spice water, amylase are added in material blending device 1 by auger 1 in the present embodiment,
Wherein one 1 discharge port of auger is connect with 201 feed inlet of level-one mixing tank, and 201 discharge port of level-one mixing tank connects level-one heat absorption tower
204 feed inlets；Level-one heat absorption 204 discharge port of tower connects 202 feed inlet of second level mixing tank；Level-one heat absorption 204 hot gas inlet of tower
Connect 601 hot gas outlet of second level heat release tower；Level-one absorb heat 204 gas vent of tower connect 205 gas of level-one gas-liquid separator into
Mouthful；205 gas vent of level-one gas-liquid separator connects vacuum pump 8.Meanwhile 202 discharge port of second level mixing tank connection second level heat absorption
206 feed inlet of tower；Second level heat absorption 206 discharge port of tower connects 203 feed inlet of three-level mixing tank；Second level absorb heat 206 hot gas of tower into
Mouth connection 306 hot gas outlet of level-one heat release tower；Second level heat absorption 206 gas vent of tower connects 207 gas of second level gas-liquid separator
Import；207 gas vent of second level gas-liquid separator connects vacuum pump 8；Wherein 203 discharge port of three-level mixing tank is separately connected
302 feed inlet of level-one steam jet ejector 301 and second steam injector.
Level-one steam jet ejector 301 and 302 discharge port of second steam injector are all connected with level-one and cross 303 feed inlet of stock column；
Level-one steam jet ejector 301 and 302 steam inlet of second steam injector are all connected with the outlet of the secondary steam in distillation technique.One
Grade crosses 303 discharge port of stock column connection second level and crosses 304 feed inlet of stock column；Second level crosses 304 discharge port of stock column connection three-level and crosses stock column 305
Feed inlet；Three-level crosses 305 discharge port of stock column connection 306 feed inlet of level-one heat release tower.Peristaltic pump adds 4 discharge port of α-amylase device to connect
Connect 306 discharge port of level-one heat release tower.
Wherein 306 discharge port of level-one heat release tower connects 501 feed inlet of level Four mixing tank, and 501 discharge port of level Four mixing tank connects
502 feed inlet of filter is connect, the starchiness mixture after amylase enzymolysis is filtered, 502 discharge port of filter connects respectively
Connect 6 feed inlet of the machine of relieving 503 and liquefying plant；Wherein partial size is that 3 ~ 5mm starchiness mixture is delivered to the machine of relieving 503, is relieved
503 discharge port of machine connects 202 feed inlet of second level mixing tank；Remaining starchiness mixture is delivered to 602 feed inlet of liquefied pot；Liquid
Change 602 discharge port of tank and connects 601 feed inlet of second level heat release tower；601 discharge port of second level heat release tower connects 7 feed inlet of saccharification apparatus.
Starchy material and high temperature spice water, amylase are added in level-one mixing tank 201 by auger 1 and are mixed in the present invention
Stirring is closed, temperature is 45 DEG C, and mixture is warming up to 60 DEG C and 75 DEG C by level-one heat absorption tower 204 and second level heat absorption tower 206 respectively.
Starchiness mixture utilizes the Secondary-steam heating in distillation technique to 90 DEG C in steam jet ejector, and is delivered to level-one punishment in advance
Column 303, second level cross stock column 304 and three-level is crossed in stock column 305 and sufficiently kept the temperature, and wherein level-one crosses stock column 303 to three-level punishment in advance
The total time of column 305 is 45min.Starchiness mixture is finally subjected to heat release by level-one heat release tower 306 again, by starchiness
Mixture is cooled to 82 DEG C；Hot gas is recycled to second level heat absorption tower 206 in level-one heat release tower 306.
When starchiness mixture is cooled to 82 DEG C, amylase is added according to amylorrhexis situation again, and by starchiness
Mixture is delivered to the filtering of filter 502, is that 3 ~ 5mm starchiness mixture filters out by partial size, is relieved and disappeared using the machine that relieves 503
The progress heat resolve of second level mixing tank 202 is delivered to after turning to 1 mm；Remaining starchiness mixture is delivered to the guarantor of liquefied pot 602
Holding temperature is 84 DEG C as liquefied fermented glutinous rice；Liquefied fermented glutinous rice is delivered to second level heat release tower 601 and carries out heat release, and liquefied fermented glutinous rice is input into row heat release drop
Temperature is to 60 DEG C；601 hot gas of second level heat release tower is recycled to level-one heat absorption tower 204.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of liquefaction device of starchy material production alcohol characterized by comprising auger one, material blending device one, steam
Heat-exchanger rig, peristaltic pump add α-amylase device, material blending device two, liquefying plant and saccharification apparatus；Wherein the auger one connects
The material blending device one；The material blending device one connects the steam heat exchanger；It is mixed described in the steam heat exchanger connection
Expect device two；The peristaltic pump adds α-amylase device to connect the steam heat exchanger；The material blending device two connects the liquid
Makeup is set；The liquefying plant is separately connected the saccharification apparatus and the material blending device one.
2. a kind of liquefaction device of starchy material production alcohol according to claim 1, which is characterized in that the spice
Device one includes three mixing tanks being serially connected, respectively level-one mixing tank, second level mixing tank and three-level mixing tank；Described one
Grade mixing tank is connect with the auger one；Between the level-one mixing tank and the second level mixing tank be arranged level-one absorb heat tower and with
The compatible level-one gas-liquid separator of level-one heat absorption tower；It is arranged two between the second level mixing tank and the three-level mixing tank
Grade heat absorption tower and second level gas-liquid separator compatible with second level heat absorption tower.
3. a kind of liquefaction device of starchy material production alcohol according to claim 2, which is characterized in that the steam
Heat-exchanger rig includes steam jet ejector and level-one heat release tower；The level-one heat release tower is arranged in the steam jet ejector downstream；Institute
It states and stock column was set between steam jet ejector and the level-one heat release tower；The steam jet ejector respectively with the three-level mixing tank
It is connected with stock column is crossed；The level-one heat release tower is connect with the stock column excessively and second level heat absorption tower respectively.
4. a kind of liquefaction device of starchy material production alcohol according to claim 3, which is characterized in that the steam
Injector includes two level-one steam jet ejectors and second steam injector parallel with one another；The level-one steam jet ejector difference
It is connect with the three-level mixing tank and the stock column of crossing；The second steam injector respectively with the three-level mixing tank and described
Cross stock column connection.
5. a kind of liquefaction device of starchy material production alcohol according to claim 4, which is characterized in that the punishment in advance
Column includes that three level-ones being serially connected cross stock column, second level crosses stock column and three-level crosses stock column；The three-level crosses stock column and described one
Grade heat release tower connection；The level-one is crossed stock column and is connect respectively with the level-one steam jet ejector and second steam injector.
6. a kind of liquefaction device of starchy material production alcohol according to claim 3, which is characterized in that the spice
Device two includes level Four mixing tank, filter and relieves machine；The level Four mixing tank connects the level-one heat release tower；The filtering
Device is arranged in level Four mixing tank downstream；The filter relieves machine and the liquefying plant described in being separately connected；It is described to relax
Solution machine is connect with the second level mixing tank.
7. a kind of liquefaction device of starchy material production alcohol according to claim 6, which is characterized in that the liquefaction
Device includes second level heat release tower and liquefied pot；The liquefied pot is connect with the filter and the second level heat release tower respectively；Institute
Second level heat release tower is stated to connect with the saccharification apparatus.
8. carrying out liquefied liquid to starchy material using the liquefaction device of starchy material production alcohol as claimed in claim 7
Change method, which is characterized in that comprise the following steps that:
(1) mixing
Temperature is 35-45 DEG C after starchy material and high temperature spice water, amylase are mixed；
(2) it preheats
Mixing in step (1) is warming up to 45-60 DEG C and 70-75 DEG C respectively；
(3) steam heat-exchanging
By starchiness mixture described in step (2) using being steam heated to 85-95 DEG C, after keeping 30-60min, using putting
The starchiness mixture is cooled to 80-90 DEG C by heat；
(4) secondary enzyme
The starchiness mixture is filtered after amylase is added again, partial size relieves for starchiness mixture described in 3 ~ 5mm to disappear
The second level mixing tank is delivered to after turning to 1 mm；The remaining starchiness mixture liquefies, and keeping temperature is 80-90 DEG C
As liquefied fermented glutinous rice；
(5) heat release
Liquefied fermented glutinous rice progress heat release is cooled to 55-65 DEG C, carries out Mashing process afterwards.
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