CN106832009A - A kind of method for producing cornstarch in corn wet milling production technology using cellulase preparation - Google Patents
A kind of method for producing cornstarch in corn wet milling production technology using cellulase preparation Download PDFInfo
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- C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
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- C07K1/145—Extraction; Separation; Purification by extraction or solubilisation
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Abstract
A kind of method the present invention relates to produce cornstarch in corn wet milling production technology using cellulase preparation, methods described includes step：Corn soaking；Corn is crushed and germ separation；Germ washing and dehydration；Fine grinding；Fiber wash and dehydration；Protein Separation and drying；Cellulase preparation is added in the fiber wash step, in terms of the weight of the corn, the addition of the cellulase preparation is 0.023 0.046 kilograms of cellulase preparation of addition in corn per ton.The method of the present invention is on the basis of traditional wet method processing technology, enzyme preparation is added in fiber wash process, mechanically decoupled effect and separative efficiency is improve, and then effectively improve separator purity, starch and protein yield are improve, and reduces energy resource consumption simultaneously.
Description
Technical field
The invention belongs to utilize cellulase preparation in corn deep processing field, especially a kind of corn wet milling production technology
The method for producing cornstarch.
Background technology
Cornstarch is with iblet as raw material, by sulfurous acid soak, crushing and screening, separating, washing, dewatered drying system
Into product.In addition to food, papermaking, weaving, medicine and other fields are directly used in, the overwhelming majority is used for deep processing to cornstarch.Form sediment
Powder industry is a larger industry of China's corn usage amount, and the yield of China's cornstarch was in year by year from 2000 to 2015
Growth trend.National 6,300,000 tons of cornstarch yield in 2001, reaches 24,000,000 tons in 2015, occupies second place of the world.Starch sugar
It is the high-grade products with cornstarch as raw material, there is economic worth and edibility higher, is widely used in food, doctor
In the industries such as medicine, chemical industry, fermentation.The starch sugar that cornstarch is produced is including glucose, fructose, maltose etc..With fermentation skill
The progress of art, current amylofermentation is produced the techniques such as glutamic acid, lysine, threonine and is rapidly developed, and China forms sediment within 2015
Powder fermentation is produced msg output and reaches 2,000,000 tons, is ranked first in the world.The corn syrup that cornstarch deep processing is made is easily by people
Body is absorbed, and is the excellent sweetener for making candy, cake, beverage and can.Sorbierite is the derivative of starch sugar, mainly
For producing vitamin, recent year is in great demand.The converted starch being modified on the basis of starch is new in recent years
The product for growing up, widely used, foreign countries have developed more than 3000 kind, and China only develops more than 50 kind.It
Be widely used in the industry such as papermaking, weaving, food, feed, medicine, daily use chemicals, oil, usage amount it is maximum be papermaking, food and
The industries such as textile, have good prospects.Therefore, recent domestic increases to the demand of cornstarch.
In addition, during production of corn starch, in addition to cornstarch major product, also can obtain corn oil, zein fiber,
Three kinds of byproducts of albumen powder and corn pulp.The unsaturated fatty acid content of corn oil mainly has oleic acid and Asia oil up to more than 85%
Acid, human absorptivity contains sitosterol up to more than 97% in corn oil, given birth to rich in dimension with the increased effect of cholesterol is suppressed
Element, has certain effect for human body cell division, anti-aging.Corn dietary fiber is made up of cellulose and hemicellulose,
Effect with hypotensive, prevention cardiovascular and cerebrovascular disease.Albumen powder is the significant by-products of corn wet processing, and its protein contains
Amount be up to 50-70%, mainly as production high protein feed raw material, it is also possible to come produce alcohol soluble protein etc. other industry produce
Product.Total protein content is 44-50% (butt) in corn pulp, and used as feed formula, corn pulp is a kind of high protein, high energy
The nutrients of amount, contains abundant vitamin and mineral matter simultaneously.
At present, cornstarch processing generally uses wet method processing technology in the world.Starch, protein, plumule, fibre in corn
Dimension etc. is main to be separated, concentrated and is dried using mechanical means such as crushing, screening, centrifugation, extruding, filterings.Party's law technology
Comparative maturity, starch recoveries maintain 71-72% or so, and fiber yield is in 11-13% or so.Received to further reduce fiber
Rate, and then starch recoveries are improved, therefore, need a kind of production method of new cornstarch badly.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art part, there is provided utilized in a kind of corn wet milling production technology
The method that cellulase preparation produces cornstarch, the method is on the basis of traditional wet-milling processing technology, to be washed in fiber
Process addition enzyme preparation is washed, to improve mechanically decoupled effect and separation rate, and then separator purity is effectively improved, starch is improve
And protein yield, and simultaneously being capable of the effectively save energy, raising produce load.
The purpose of the present invention is achieved through the following technical solutions：
A kind of method for being produced cornstarch in corn wet milling production technology using cellulase preparation, methods described is included
Step：Corn soaking；Corn is crushed and the separating, washing of plumule is dehydrated；Fine grinding；Fiber wash and dehydration；The separating, washing of starch
Dry；
Cellulase preparation is added in the fiber wash step, in terms of the weight of the corn, the cellulase
The addition of preparation is 0.023-0.046 kilograms of cellulase preparation of addition in corn per ton.
And, comprise the following steps that：
(1) corn purification conveying
Raw material corn removes infusion system after except stone, metering with Hydraulic transportation, and Hydraulic transportation speed is 0.9-1.2m/s,
The mass ratio of corn and conveying water is 1：2.5-3, temperature is 50 ± 1 DEG C；Through dewatering screen, the water of removing turns one's head to make conveying water
With wet corn enters steeping tank；
(2) corn soaking
The immersion of corn is countercurrently carried out in sulfurous aqueous acid；Totally 12 steeping tanks, corn is stayed in immersion process
It is static in tank, with pump by soak in tank one side repeats itself while in previous stage tank convey, remain new Asia
Aqueous sulfuric acid and soak time corn contact most long, and newly enter the corn of tank and the soak that will be discharged is contacted, immersion
50 ± 2 DEG C of temperature, sulfurous acid mass concentration is 0.08%-0.13%, 36-42h of soak time；
The soak for completing immersion is that dilute corn pulp contains dry 7% -9%, is sent to evaporization process and is condensed into containing dry
More than 40% corn pulp；
The corn aqueous 40% -46% ended is soaked, 2.5% is not more than containing DDGS, with hand energy squeeze crack, plumule is complete
Extrusion, the corn after must soaking；
(3) corn is crushed and the separating, washing of plumule is dehydrated
Corn after immersion is pumped into wet corn hopper by wet corn conveying, enters back into slubbing double wedge mill, and corn is crushed
Into 4-6 valves, the amount of corn containing shaping separates 75%-85% plumule no more than the 1% of gross mass, while discharging
20% -25% starch；
Through cyclone hydraulic separators of plumule, the plumule of separator top outflow removes washing system, washs corn after broken
Plumule afterwards is delivered to corn oil squeezing process after drying, dried plumule moisture control is between 6%-9%；Underflow
Thing goes slurry, oversize to enter two road double wedge mills through bent sieving, and corn is crushed into 10-12 valves；Do not contained in this slurry whole
Grain corn, 0.3% of the plumule in bonding state no more than gross mass；
Through the slurry of second-time breakage secondary cyclone hydraulic separators is pumped into through plumule；Top stream galls broken slurry and mixes with slubbing
Together, into a germ separation device, underflow slurry feeding fine grinding operation；
It is 7-9B é into a starch suspension concentration for cyclone separator, into the starch slurry of swirl flow separator
Material concentration is 8-10B é；
(4) fine grinding
By pressure curved sieve, screenings is coarse starch milk to grout after isolating plumule through swirl flow separator, is formed sediment
The Crude starch slurries isolated after powder breast and fine grinding enter starch separation operation after converging；Oversize carries out fine grinding into pin mill,
To make the starch separate out being coupled with fiber to greatest extent, the slurry after fine grinding enters fibre washing bath；
(5) fiber wash and dehydration
Slurry after fine grinding enters fibre washing bath, is reinstated with the washings one of washing fiber be pumped into first order pressure herein
The bent sieve of power, isolates coarse starch milk under sieve, again through the bent sieve countercurrent washing of 7 stage pressures, washing process water is from afterbody for oversize
Added before sieve, by compass screen surface, carry the free starch for washing and move forward step by step, merged with the slurry after fine grinding, altogether
With first order pressure curved sieve is entered, separate coarse starch milk, and with fine grinding before the coarse starch milk that screens out converge, into starch separation
Operation；
Then fiber on compass screen surface send fiber feedstuff work from the bent sieve compass screen surface discharge of afterbody through screw extruder dehydration
Sequence, fiber moisture content 60% -65% after squeezing, cellulase preparation fiber wash level V add, with process water by
Level returns to the first collection of fiber wash, and fiber is acted in flow process by cellulase preparation, and clean result greatly changes
Kind, the entrainment and connection starch reduction of the inside improve starch recoveries, while cellulase preparation enters process water, with work
The flowing of skill water, into whole production system, until operation is soaked, finally with corn pulp removal system；
(6) the separating, washing of starch is dried
The Crude starch obtained by bent sieve separation before and after fine grinding through desander, rotary filter, into the master for separating seitan, starch
Centrifuge, top flow point goes out gluten water mass concentration 1%-2%, send concentrating and separating machine, underflow 16-18Be of starch concentration to send
Entering ten two-stage cyclone separators carries out countercurrent washing, washings fresh water, 43-46 DEG C of wash water temperature, through ten second cyclones
Starch milk after washing contains water quality 60%, and protein content is less than 50ppm less than 0.35%, SO2 contents, goes smart starch milk to store
After tank, pneumatic conveyer dryer is delivered to after being dehydrated through scraper centrifugal machine and is dried, obtain the finished product cornstarch of Shui Fen≤14%.
The advantage for obtaining of the invention and good effect are：
1st, the method for the present invention is on the basis of traditional wet method processing technology, enzyme system to be added in fiber wash process
Agent, improves mechanically decoupled effect and separative efficiency, and then effectively improves separator purity, improves starch and protein yield,
And energy resource consumption is reduced simultaneously, the effectively save energy improves produce load, improves production environment, and productivity effect obtains bright
Aobvious lifting.
2nd, the inventive method can not only improve the yield of cornstarch, it is also possible to improve the yield of albumen powder.Because this
Invention can avoid proteolytic without addition protease, reduce production of corn starch process most economic worth
The loss of protein, reduces the pollution of soluble protein in discharge water.
3rd, the inventive method selection adds enzyme preparation in the fiber wash step after corn is broken, beautiful using existing wet method
Rice starch process equipment, new energy resource consumption is not increased, improves the functioning efficiency of enzyme preparation, reduce the addition of enzyme preparation into
This, improves mechanically decoupled effect and separative efficiency, reduces wet fiber total starch content, economic benefit is improve, with pole
Big application value.
Brief description of the drawings
Fig. 1 is a kind of production procedure and the circulation process figure of process water of Corn Starch Wet of the present invention.
Specific embodiment
With reference to embodiment, the present invention is described in further detail, but embodiments of the present invention not limited to this,
Protection scope of the present invention can not be limited with following embodiments.
Experimental technique used in following embodiments is conventional method unless otherwise specified；The material that is used,
Reagent etc., unless otherwise specified, commercially obtains.
A kind of method for being produced cornstarch in corn wet milling production technology using cellulase preparation, methods described is included
Step：Corn soaking；Corn is crushed and the separating, washing of plumule is dehydrated；Fine grinding；Fiber wash and dehydration；The separating, washing of starch
Dry；
Cellulase preparation is added in the fiber wash step, in terms of the weight of the corn, the cellulase
The addition of preparation is 0.023-0.046 kilograms of cellulase preparation of addition in corn per ton.
Specifically, operating procedure can be as follows：
(1) corn purification conveying
Raw material corn removes infusion system after except stone, metering with Hydraulic transportation, and Hydraulic transportation speed is 0.9-1.2m/s,
The mass ratio of corn and conveying water is 1：2.5-3, temperature is 50 ± 1 DEG C；Through dewatering screen, the water of removing turns one's head to make conveying water
With wet corn enters steeping tank；
(2) corn soaking
The immersion of corn is countercurrently carried out in sulfurous aqueous acid；Totally 12 steeping tanks, corn is stayed in immersion process
It is static in tank, with pump by soak in tank one side repeats itself while in previous stage tank convey, remain new Asia
Aqueous sulfuric acid and soak time corn contact most long, and newly enter the corn of tank and the soak that will be discharged is contacted, immersion
50 ± 2 DEG C of temperature, sulfurous acid mass concentration is 0.08%-0.13%, 36-42h of soak time；
The soak for completing immersion is that dilute corn pulp contains dry 7% -9%, is sent to evaporization process and is condensed into containing dry
More than 40% corn pulp；
The corn aqueous 40% -46% ended is soaked, 2.5% is not more than containing DDGS, with hand energy squeeze crack, plumule is complete
Extrusion, the corn after must soaking；
(3) corn is crushed and the separating, washing of plumule is dehydrated
Corn after immersion is pumped into wet corn hopper by wet corn conveying, enters back into slubbing double wedge mill, and corn is crushed
Into 4-6 valves, the amount of corn containing shaping separates 75%-85% plumule no more than the 1% of gross mass, while discharging
20% -25% starch；
Through cyclone hydraulic separators of plumule, the plumule of separator top outflow removes washing system, washs corn after broken
Plumule afterwards is delivered to corn oil squeezing process after drying, dried plumule moisture control is between 6%-9%；Underflow
Thing goes slurry, oversize to enter two road double wedge mills through bent sieving, and corn is crushed into 10-12 valves；Do not contained in this slurry whole
Grain corn, 0.3% of the plumule in bonding state no more than gross mass；
Through the slurry of second-time breakage secondary cyclone hydraulic separators is pumped into through plumule；Top stream galls broken slurry and mixes with slubbing
Together, into a germ separation device, underflow slurry feeding fine grinding operation；
It is 7-9B é into a starch suspension concentration for cyclone separator, into the starch slurry of swirl flow separator
Material concentration is 8-10B é；
(4) fine grinding
By pressure curved sieve, screenings is coarse starch milk to grout after isolating plumule through swirl flow separator, is formed sediment
The Crude starch slurries isolated after powder breast and fine grinding enter starch separation operation after converging；Oversize carries out fine grinding into pin mill,
To make the starch separate out being coupled with fiber to greatest extent, the slurry after fine grinding enters fibre washing bath；
(5) fiber wash and dehydration
Slurry after fine grinding enters fibre washing bath, is reinstated with the washings one of washing fiber be pumped into first order pressure herein
The bent sieve of power, isolates coarse starch milk under sieve, again through the bent sieve countercurrent washing of 7 stage pressures, washing process water is from afterbody for oversize
Added before sieve, by compass screen surface, carry the free starch for washing and move forward step by step, merged with the slurry after fine grinding, altogether
With first order pressure curved sieve is entered, separate coarse starch milk, and with fine grinding before the coarse starch milk that screens out converge, into starch separation
Operation；
Then fiber on compass screen surface send fiber feedstuff work from the bent sieve compass screen surface discharge of afterbody through screw extruder dehydration
Sequence, fiber moisture content 60% -65% after squeezing, cellulase preparation fiber wash level V add, with process water by
Level returns to the first collection of fiber wash, and fiber is acted in flow process by cellulase preparation, and clean result greatly changes
Kind, the entrainment and connection starch reduction of the inside improve starch recoveries, while cellulase preparation enters process water, with work
The flowing of skill water, into whole production system, until operation is soaked, finally with corn pulp removal system；
(6) the separating, washing of starch is dried
The Crude starch obtained by bent sieve separation before and after fine grinding through desander, rotary filter, into the master for separating seitan, starch
Centrifuge, top flow point goes out gluten water mass concentration 1%-2%, send concentrating and separating machine, underflow 16-18Be of starch concentration to send
Entering ten two-stage cyclone separators carries out countercurrent washing, washings fresh water, 43-46 DEG C of wash water temperature, through ten second cyclones
Starch milk after washing contains water quality 60%, and protein content is less than 50ppm less than 0.35%, SO2 contents, goes smart starch milk to store
After tank, pneumatic conveyer dryer is delivered to after being dehydrated through scraper centrifugal machine and is dried, obtain the finished product cornstarch of Shui Fen≤14%.
In actual production process, operator can also make 1.5 meters of a diameter, the circle of straight 1 meter high of bucket section by oneself in workshop
Device is described, container bottom is tapered in 60 degree, and a pipeline for 14 millimeters of diameter is installed in tapered bottom, and a pin is installed on pipeline
Valve, is connected to the level V sink of fiber wash with sebific duct below needle-valve.The container deposit is in the bent sieve level V of fiber wash
Near.
1 cubic metre of process water is added in container, 25 kilograms of cellulases (1 barrel) are added.By noticeable degree flow, with
80-90 ls/h of speed is added in fiber wash level V groove.
The production stage that the enzyme preparation of this adding method can be added into cornstarch with process water is：Solid is fine
The plain enzyme preparation of dimension is calculated enzyme liquid stream and is added volume with 40 times of process water dissolved dilution according to commodity corn processing capacity, enzyme preparation
Addition is that commodity corn per ton adds 0.023-0.046 kilograms.After enzyme preparation enters fiber wash system, with process water
Separate, inversely into starch separation；Germ washing；Corn is crushed；Corn soaking operation, the action period is long, to being adhered on fiber
Starch depart from effect it is obvious.
Performance analysis
1st, the production equipment of the applicant：The production line of the wet processing cornstarch of 2200 ton per days.
2nd, the addition of enzyme preparation：Enzyme liquid stream is calculated according to commodity corn processing capacity and adds volume, the addition of enzyme preparation is every
Ton commodity corn adds 0.023-0.046 kilograms.50 kilograms of enzyme preparations are added daily.Enzyme preparation addition point is fiber wash the 5th
Level, lasting stream adds 30 days.In the production process of wet processing cornstarch, the conveying of raw material is conveyed by process water, except shallow lake
Powder washing with outside new water, other such as germ washings, fiber wash water is process water, and process water as shown in Figure 1 can be recycled.
3rd, data control：
Normal wet corn processing technique 30 days is average：Starch recovery rate 71.3%, starch protein content 0.44%；Egg
White matter recovery rate 5.1%；Steam：1.21 ton/ton starch；Water consume：2.5 tons of water/ton starch；Power consumption：187 KWhs/ton；Wet fiber water
Point：62%；Fiber total starch 23%.
Enzymatic processing technique 30 days is average：Starch recovery rate 71.6%, amyloid proteins content 0.39%；Protein recovery rate
5.2%；Steam：1.12 tons of steam/ton starch；Water consume：2.2 tons of water/ton starch；Power consumption：182 KWhs/ton；Fiber moisture：
59.2%；Fiber total starch 15.3%.
Performance analysis：
Starch recovery rate improves 0.3%, i.e., voluminous uncooked amylum=2200 ton per day * 0.3%=6.6 ton per days.With market most
2300 yuan/ton of low price meter, yuan/day of direct economic benefit=6.6 ton per days * 2300 yuan/ton=15180.
Protein yield improves 0.1%, i.e., voluminous raw egg white matter=2200 ton per day * 0.1%=2.2 ton per days.With market
5000 yuan/ton of lowest price meter, yuan/day of direct economic benefit=2.2 ton per days * 5000 yuan/ton=11000.
Ton/ton the starch of steam saving 0.09, is calculated with 60 yuan/ton of steam, daily 1500 tons of starch of production, steam saving
1500*0.09=135 tons, bring benefits 60*135=8100 units/day
Electric 5 ton/ton starch are saved, in terms of average 0.725 yuan/degree, 1500 tons of starch of production, save power consumption 1500*5 daily
=7500 degree, bring benefits 7500*0.725=5437 units/day
0.3 ton/ton starch of water saving, in terms of average 3.6 yuan/ton, 1500 tons of starch of production, save water consume 1500*0.3 daily
=450 tons, bring benefits 450*3.6=1620 units/day
The comprehensive benefit that Longjiang company produces daily is 15180+11000+8100+5437
1620=41337 units, 80000 yuan per ton of cellulase preparation, daily rate 80000/1000*50=4000 units,
Pure benefit is 41337-4000=37337 units/day
Because the ton starch benefit that addition cellulase preparation is produced is 37337/1500=24.89 units.
Claims (2)
1. a kind of method for producing cornstarch in corn wet milling production technology using cellulase preparation, methods described includes step
Suddenly：Corn soaking；Corn is crushed and the separating, washing of plumule is dehydrated；Fine grinding；Fiber wash and dehydration；The separating, washing of starch is done
It is dry；
It is characterized in that：Cellulase preparation is added in the fiber wash step, in terms of the weight of the corn, the fibre
The addition of the plain enzyme preparation of dimension is 0.023-0.046 kilograms of cellulase preparation of addition in corn per ton.
2. the side of cornstarch is produced in corn wet milling production technology according to claim 1 using cellulase preparation
Method, it is characterised in that：Comprise the following steps that：
(1) corn purification conveying
Raw material corn removes infusion system after except stone, metering with Hydraulic transportation, and Hydraulic transportation speed is 0.9-1.2m/s, corn and
The mass ratio for conveying water is 1：2.5-3, temperature is 50 ± 1 DEG C；Through dewatering screen, the water of removing turns one's head to be used as to convey water, wet jade
Rice enters steeping tank；
(2) corn soaking
The immersion of corn is countercurrently carried out in sulfurous aqueous acid；Totally 12 steeping tanks, corn stays in tank in immersion process
It is interior static, with pump by soak in tank one side repeats itself while in previous stage tank convey, remain new sulfurous acid
The aqueous solution and soak time corn contact most long, and newly enter the corn of tank and the soak that will be discharged is contacted, soaking temperature
50 ± 2 DEG C, sulfurous acid mass concentration is 0.08%-0.13%, soak time 36-42h；
The soak for completing immersion is dilute corn pulp 7%-9% containing dry, is sent to evaporization process and is condensed into containing dry 40%
Corn pulp above；
The aqueous 40%-46% of corn ended is soaked, 2.5% is not more than containing DDGS, with hand energy squeeze crack, plumule is completely extruded,
Corn after must soaking；
(3) corn is crushed and the separating, washing of plumule is dehydrated
Corn after immersion is pumped into wet corn hopper by wet corn conveying, enters back into slubbing double wedge mill, and corn is broken into 4-6
Valve, the amount of corn containing shaping separates the plumule of 75%-85% no more than the 1% of gross mass, while discharging 20%-25%'s
Starch；
Through cyclone hydraulic separators of plumule, the plumule of separator top outflow removes washing system to corn after broken, after washing
Plumule is delivered to corn oil squeezing process after drying, dried plumule moisture control is between 6%-9%；Underflow thing is passed through
Bent sieving goes slurry, oversize to enter two road double wedge mills, and corn is crushed into 10-12 valves；Whole grain is not contained in this slurry beautiful
Rice, 0.3% of the plumule in bonding state no more than gross mass；
Through the slurry of second-time breakage secondary cyclone hydraulic separators is pumped into through plumule；Top stream galls broken slurry and mixes one with slubbing
Rise, into a germ separation device, underflow slurry feeding fine grinding operation；
It is 7-9B é into a starch suspension concentration for cyclone separator, the starch size into swirl flow separator is dense
It is 8-10B é to spend；
(4) fine grinding
By pressure curved sieve, screenings is coarse starch milk, starch milk to grout after isolating plumule through swirl flow separator
Enter starch separation operation after converging with the Crude starch slurries isolated after fine grinding；Oversize carries out fine grinding into pin mill, with most
Make to limits the starch separate out being coupled with fiber, the slurry after fine grinding enters fibre washing bath；
(5) fiber wash and dehydration
Slurry after fine grinding enters fibre washing bath, is reinstated with the washings one of washing fiber be pumped into the first stage pressure song herein
Sieve, isolates coarse starch milk under sieve, again through the bent sieve countercurrent washing of 7 stage pressures, washing process water is from before afterbody sieve for oversize
Add, by compass screen surface, carry the free starch for washing and move forward step by step, merge with the slurry after fine grinding, enter jointly
Enter first order pressure curved sieve, separate coarse starch milk, and with fine grinding before the coarse starch milk that screens out converge, into starch separation work
Sequence；
Then fiber on compass screen surface send fiber feedstuff operation from the bent sieve compass screen surface discharge of afterbody through screw extruder dehydration, presses
Fiber moisture content 60%-65% after squeezing, cellulase preparation is added in the level V of fiber wash, as process water is returned step by step
To fiber wash first collects, and fiber is acted in flow process by cellulase preparation, and clean result is greatly improved, the inside
Entrainment and be coupled starch reduction, starch recoveries are improve, while cellulase preparation enters process water, with the stream of process water
It is dynamic, into whole production system, until operation is soaked, finally with corn pulp removal system；
(6) the separating, washing of starch is dried
The Crude starch obtained by bent sieve separation before and after fine grinding through desander, rotary filter, into the main centrifugation for separating seitan, starch
Machine, top flow point goes out gluten water mass concentration 1%-2%, send concentrating and separating machine, underflow starch concentration 16-18Be, feeding 12
Level cyclone separator carries out countercurrent washing, washings fresh water, 43-46 DEG C of wash water temperature, after being washed through ten second cyclones
Starch milk contain water quality 60%, protein content less than 0.35%, SO2 contents be less than 50ppm, after removing smart starch milk basin,
Pneumatic conveyer dryer is delivered to after being dehydrated through scraper centrifugal machine to dry, and obtains the finished product cornstarch of Shui Fen≤14%.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107439806A (en) * | 2017-07-26 | 2017-12-08 | 山东中谷淀粉糖有限公司 | A kind of method of wet method adjustment albumen powder protein content |
| CN108084281A (en) * | 2017-12-01 | 2018-05-29 | 吉林中粮生化有限公司 | The preparation method of medicinal cornstarch |
| CN108797193A (en) * | 2018-07-04 | 2018-11-13 | 保龄宝生物股份有限公司 | The production method and device of paper grade (stock) maize peel purification |
| CN108822224A (en) * | 2018-06-22 | 2018-11-16 | 山东神州翔宇科技集团有限公司 | A method of cornstarch is produced using enzymatic reaction |
| CN109776689A (en) * | 2019-01-15 | 2019-05-21 | 迈安德集团有限公司 | A kind of processing technology of corn |
| WO2020228802A1 (en) * | 2019-05-15 | 2020-11-19 | 诺维信公司 | Method for improving yield of sprayed corn bran in corn wel-milling process |
| CN112745396A (en) * | 2020-12-28 | 2021-05-04 | 山东香驰健源生物科技有限公司 | Fiber washing process for reducing powder content of fiber |
| CN113234177A (en) * | 2021-06-18 | 2021-08-10 | 山东福洋生物科技股份有限公司 | Production method of high-amylose corn starch |
| CN113278664A (en) * | 2021-05-17 | 2021-08-20 | 齐齐哈尔龙江阜丰生物科技有限公司 | Process for degrading corn epidermal fibers by cellulase |
| CN113302208A (en) * | 2018-12-21 | 2021-08-24 | 诺维信公司 | Corn fiber treatment system and corn wet-milling starch processing system applying same |
| WO2022007825A1 (en) * | 2020-07-09 | 2022-01-13 | Novozymes A/S | Improved fiber-washing in corn wet-milling |
| CN115417932A (en) * | 2022-09-24 | 2022-12-02 | 山东福洋生物科技股份有限公司 | Production method for removing protein-coated starch granules |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102775504A (en) * | 2011-05-11 | 2012-11-14 | 白银赛诺生物科技有限公司 | Process for producing maize starch by using enzymic method |
| CN103254320A (en) * | 2013-03-11 | 2013-08-21 | 白银赛诺生物科技有限公司 | Method for producing corn starch by utilizing enzymic method |
| CN104098707A (en) * | 2014-06-25 | 2014-10-15 | 安徽年康面业有限责任公司 | Manufacturing technology for corn starch |
-
2017
- 2017-03-01 CN CN201710116935.XA patent/CN106832009A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102775504A (en) * | 2011-05-11 | 2012-11-14 | 白银赛诺生物科技有限公司 | Process for producing maize starch by using enzymic method |
| CN103254320A (en) * | 2013-03-11 | 2013-08-21 | 白银赛诺生物科技有限公司 | Method for producing corn starch by utilizing enzymic method |
| CN104098707A (en) * | 2014-06-25 | 2014-10-15 | 安徽年康面业有限责任公司 | Manufacturing technology for corn starch |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107439806A (en) * | 2017-07-26 | 2017-12-08 | 山东中谷淀粉糖有限公司 | A kind of method of wet method adjustment albumen powder protein content |
| CN108084281A (en) * | 2017-12-01 | 2018-05-29 | 吉林中粮生化有限公司 | The preparation method of medicinal cornstarch |
| CN108822224A (en) * | 2018-06-22 | 2018-11-16 | 山东神州翔宇科技集团有限公司 | A method of cornstarch is produced using enzymatic reaction |
| CN108797193A (en) * | 2018-07-04 | 2018-11-13 | 保龄宝生物股份有限公司 | The production method and device of paper grade (stock) maize peel purification |
| CN108797193B (en) * | 2018-07-04 | 2021-04-06 | 保龄宝生物股份有限公司 | Production method and device for purifying corn bran for papermaking |
| CN113302208A (en) * | 2018-12-21 | 2021-08-24 | 诺维信公司 | Corn fiber treatment system and corn wet-milling starch processing system applying same |
| CN109776689A (en) * | 2019-01-15 | 2019-05-21 | 迈安德集团有限公司 | A kind of processing technology of corn |
| WO2020228802A1 (en) * | 2019-05-15 | 2020-11-19 | 诺维信公司 | Method for improving yield of sprayed corn bran in corn wel-milling process |
| CN113811550A (en) * | 2019-05-15 | 2021-12-17 | 诺维信公司 | Method for improving yield of spraying corn bran in corn wet milling process |
| WO2022007825A1 (en) * | 2020-07-09 | 2022-01-13 | Novozymes A/S | Improved fiber-washing in corn wet-milling |
| CN115836092A (en) * | 2020-07-09 | 2023-03-21 | 诺维信公司 | Improved fiber wash in corn wet milling |
| CN112745396A (en) * | 2020-12-28 | 2021-05-04 | 山东香驰健源生物科技有限公司 | Fiber washing process for reducing powder content of fiber |
| CN113278664A (en) * | 2021-05-17 | 2021-08-20 | 齐齐哈尔龙江阜丰生物科技有限公司 | Process for degrading corn epidermal fibers by cellulase |
| CN113234177A (en) * | 2021-06-18 | 2021-08-10 | 山东福洋生物科技股份有限公司 | Production method of high-amylose corn starch |
| CN115417932A (en) * | 2022-09-24 | 2022-12-02 | 山东福洋生物科技股份有限公司 | Production method for removing protein-coated starch granules |
| CN115417932B (en) * | 2022-09-24 | 2023-04-28 | 山东福洋生物科技股份有限公司 | Production method for removing protein-coated starch particles |
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