CN105394727A - Preparation method of natural thickening agent - Google Patents
Preparation method of natural thickening agent Download PDFInfo
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- CN105394727A CN105394727A CN201510853418.1A CN201510853418A CN105394727A CN 105394727 A CN105394727 A CN 105394727A CN 201510853418 A CN201510853418 A CN 201510853418A CN 105394727 A CN105394727 A CN 105394727A
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- corn
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- starch milk
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- 239000002562 thickening agent Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 240000008042 Zea mays Species 0.000 claims abstract description 65
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims abstract description 65
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims abstract description 64
- 235000005822 corn Nutrition 0.000 claims abstract description 64
- 229920002472 Starch Polymers 0.000 claims abstract description 59
- 235000019698 starch Nutrition 0.000 claims abstract description 59
- 239000008107 starch Substances 0.000 claims abstract description 59
- 238000005406 washing Methods 0.000 claims abstract description 43
- 239000000835 fiber Substances 0.000 claims abstract description 29
- 238000000227 grinding Methods 0.000 claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000001035 drying Methods 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 8
- 238000002791 soaking Methods 0.000 claims abstract description 4
- 235000013336 milk Nutrition 0.000 claims description 34
- 239000008267 milk Substances 0.000 claims description 34
- 210000004080 milk Anatomy 0.000 claims description 34
- 239000002002 slurry Substances 0.000 claims description 34
- 239000013505 freshwater Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000007787 solid Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 12
- 230000018044 dehydration Effects 0.000 claims description 11
- 238000006297 dehydration reaction Methods 0.000 claims description 11
- 238000012856 packing Methods 0.000 claims description 9
- 238000007654 immersion Methods 0.000 claims description 8
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 7
- 108010068370 Glutens Proteins 0.000 claims description 6
- 241000256682 Peregrinus maidis Species 0.000 claims description 6
- 235000021312 gluten Nutrition 0.000 claims description 6
- 238000004806 packaging method and process Methods 0.000 claims description 6
- 239000012141 concentrate Substances 0.000 claims description 5
- 238000004094 preconcentration Methods 0.000 claims description 5
- 238000013467 fragmentation Methods 0.000 claims description 4
- 238000006062 fragmentation reaction Methods 0.000 claims description 4
- 238000005469 granulation Methods 0.000 claims description 4
- 230000003179 granulation Effects 0.000 claims description 4
- 230000000640 hydroxylating effect Effects 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 4
- 238000012216 screening Methods 0.000 claims description 4
- SZIFAVKTNFCBPC-UHFFFAOYSA-N 2-chloroethanol Chemical compound OCCCl SZIFAVKTNFCBPC-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 230000002411 adverse Effects 0.000 claims description 3
- 235000005687 corn oil Nutrition 0.000 claims description 3
- 238000010981 drying operation Methods 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 claims description 3
- 238000006460 hydrolysis reaction Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 239000002893 slag Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 2
- 235000013305 food Nutrition 0.000 abstract description 10
- 238000001238 wet grinding Methods 0.000 abstract description 3
- 238000001704 evaporation Methods 0.000 abstract description 2
- 108090000623 proteins and genes Proteins 0.000 abstract description 2
- 102000004169 proteins and genes Human genes 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract 1
- 239000000047 product Substances 0.000 description 9
- 238000000926 separation method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- -1 printing and dyeing Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 229920000945 Amylopectin Polymers 0.000 description 1
- 229920002261 Corn starch Polymers 0.000 description 1
- 229920002307 Dextran Polymers 0.000 description 1
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 239000013466 adhesive and sealant Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 210000000481 breast Anatomy 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000008120 corn starch Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 235000003132 food thickener Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 235000009973 maize Nutrition 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23V—INDEXING SCHEME RELATING TO FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES AND LACTIC OR PROPIONIC ACID BACTERIA USED IN FOODSTUFFS OR FOOD PREPARATION
- A23V2002/00—Food compositions, function of food ingredients or processes for food or foodstuffs
Landscapes
- Cereal-Derived Products (AREA)
Abstract
The invention relates to the technical field of food processing, in particular to a preparation method of a natural thickening agent. The natural thickening agent is prepared with ecological waxy corn as the raw material, and the product is obtained through the wet grinding method closed-loop circulating procedure by means of waxy corn storing and purifying, soaking, smashing, fine grinding, fiber separating, washing, branch chain starch separating, washing, protein separating and drying, germ washing, drying, fiber feed drying and granulating, and waxy corn pulp evaporating and drying. The method adapts to the standard, mechanical and modern massive industrial production, is high in product added value, large in benefit and high in technological content, and completely meets the national food sanitation detecting standard.
Description
(1) technical field
The present invention relates to food processing technology field, particularly a kind of preparation method of natural thickener.
(2) background technology
Thickener is a kind of auxiliary rheological agents, not only can make coating thickening, prevents from occurring sagging phenomenon in construction, and can give mechanical performance and the bin stability of coating excellence.For the water paint that viscosity is lower, it is a very important analog assistant.Especially all very important for the manufacture of adhesive and sealant, storage, use, can improve and regulate viscosity, obtains stable, anti-settling, subtract ooze, prevent dropping down, the performance such as thixotroping.
Thickener is widely used in food, coating, adhesive, cosmetics, washing agent, printing and dyeing, rubber, medicine and other fields.In food, add a small amount of food thickening agent, there is the effects such as gelling, film forming, water holding, suspension, emulsification, foam stabilization and lubrication.The relative stability of the color of fluidised form food or frozen glue food, structure and food is played a very important role.Thickener is all hydrophilic macromolecular compounds.Natural and the large class of chemical synthesis (comprising semi-synthetic) two can be divided into by its source.
At present, the quality of the thickener series products that market is sold is uneven, and chemical synthesis is in the majority, brings potential potential safety hazard to the production of food industry and quality.
(3) summary of the invention
The present invention, in order to make up the deficiencies in the prior art, provides a kind of preparation method preparing the natural thickener of simple, superior product quality.
The present invention is achieved through the following technical solutions:
A preparation method for natural thickener, with ecological waxy corn for raw material, comprises the steps:
(1) by after waxy corn purification and impurity removal, Hydraulic transportation removes steeping tank, after waxy corn is soaked by sulfurous acid solution adverse current in steeping tank, obtain wet corn;
(2) wet corn delivers to wet corn hopper by delivery pump, entering slubbing double wedge again galls broken, one-level germ cyclone is pumped to afterwards by plumule, underflow materials filters slurry through song is sieved, oversize enters two road double wedge mill second-time breakages, and the slurry obtained is pumped to secondary germ cyclone by plumule, and top stream material is mixed with through the broken and bent slurry sieved out of slubbing, return one-level germ cyclone, collect underflow slurry;
(3) underflow slurry is by pressure curved sieve, and screenings is coarse starch milk, and oversize enters impact grinding to carry out fine grinding and obtain Crude starch slurries;
(4) Crude starch slurries enter fibre washing bath, first order pressure curved sieve is pumped to together with washings at this, coarse starch milk is isolated under sieve, oversize is through 6 stage pressure song sieve countercurrent washings, mix with Crude starch slurries in the sink of the starch milk washed before first order pressure curved sieve, jointly enter first order pressure curved sieve, isolate coarse starch milk, the coarse starch milk that coarse starch milk separates with fine grinding fore worker mixes;
(5) coarse starch milk mixed is through desanding swirler, rotary filter, the main centrifuge that dense starch milk enters seitan, starch is isolated again through pre-concentration seperator, the starch concentration 17-19 Baume of main centrifuge underflow, ten secondary eddy flow washers are sent to carry out countercurrent washing, the smart starch milk obtained;
(6) smart starch milk is through purifying, concentrated, after weak acid moiety hydrolysis, adds ethylene chlorhydrin in the basic conditions and carries out hydroxylating, obtain natural thickener, again through refining, concentrated, dry further, be transported to packing shop afterwards, carry out quality restriction, packaging, warehouse-in.
Technical process of the present invention is:
The extraordinary ecological waxy corn storage of raw material and purification--waxy corn material loading and immersion--waxy corn is broken--waxy corn refine--being separated of fiber, washing--amylopectin is separated, wash--Protein Separation and drying--germ washing, drying--fiber feedstuff drying and granulation--waxy corn starch evaporate, drying--amylopectin--(hydroxylating sex change) natural thickener.
More excellent technical scheme of the present invention is:
In step (1), the Hydraulic transportation speed of corn is 0.9-1.2 meter per second, and corn is 1:2.5-3 with the weight ratio of conveying water, and temperature is 50 ± 2 DEG C, and conveying water circulation uses; The soaking temperature of corn 50 ± 2 DEG C, the concentration of sulfurous acid solution is 0.10-0.15%, soak time 60 hours; The soak and the rare corn steep liquor that complete immersion are 3.9-4.1 containing dry 5-9%, pH.
In step (2), wet corn by delivery pump through rockover remover, dewatering screen enters wet corn hopper, enter slubbing double wedge mill again, be broken into 4-6 lobe, corn after fragmentation is pumped to one-level germ cyclone by plumule, the plumule that top is flowed out removes washing system, underflow materials filters slurry through song is sieved, oversize enters two road double wedge mills, corn is broken into 10-12 lobe, slurry through second-time breakage is pumped to secondary germ cyclone through plumule, top stream material is mixed with through the broken and bent slurry sieved out of slubbing, return one-level germ cyclone, underflow slurry sends into precision grinding process.
Isolated plumule is flowed from first order germ cyclone top, through the countercurrent washing of three grades of bent sieves, moisture 75%, enter the dehydration of plumule extruder, the wet plumule moisture about 55% after dehydration, go pipe bundle drier dry, dry plumule removes refined maize oil device.
In step (4), oversize is through 6 stage pressures song sieve countercurrent washings, and washing process water is added with compass screen surface before most rear class song sieve, and the starch milk that carrying washing gets off moves forward step by step, until first order pressure curved sieve; Fiber on sieve, skin slag and washings are gone against the stream, and enter from the first order, discharge from most rear class compass screen surface, go fiber drying operation after entering screw extruder dehydration.
By the rare corn steep liquor containing solid content 5-9%, by vapo(u)rization system, be concentrated to containing solid content 45%-50%, add in fiber dry together; Enter pipe bundle drier drying after the mixing of wet fiber, broken corn, corn steep liquor, pack after packing shop carries out granulation through wind model.
In step (5), pre-concentration seperator isolates the higher fresh water (FW) of solubles content for relieving haperacidity, and the concentration that main centrifuge top stream isolates gluten water is 1-2%, send concentrating and separating machine; Underflow starch concentration 17-19 Baume, send ten secondary eddy flow washers to carry out countercurrent washing, washings fresh water, temperature is 45 DEG C, to wash and the starch concentration concentrated is 21-23 Baume through ten second cyclones, protein content is less than 0.35%, goes smart starch milk basin for deep processing; First order cyclone top flows through clarifying centrifuge and carries lane, and underflow enters main centrifuge, and top stream is fresh water (FW).
Flow isolated gluten water from main seperator top, containing solid content about 1%-2%, enter seitan concentrate centrifuge through filter, top stream is fresh water (FW), and enter technique water pot, its solid content is about 0.2-0.50%, for plumule, fiber wash.Underflow after concentrated is about 14% containing solid content, and through the dehydration of rotary drum vacuum suction filter, vacuum is 0.053-0.067Mpa.Obtain the wet albumen of moisture 60%-62%, then use pipe bundle drier dry.Product wind model dispatches from the factory to packing shop packaging.
The present invention utilizes ecological waxy corn raw material, adopt wet grinding closed cycle flow process, production high-quality dextran intermediate, step is succinct, and by-product utilized rate is high, adapts to standardization, mechanization, modernized big insutry production, added value of product is high, profit is large, and high in technological content, product all reaches state food health examination criteria.
(4) accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Fig. 1 is process flow diagram of the present invention.
(5) detailed description of the invention
Embodiment:
Adopt wet grinding closed cycle flow process, its main production process is as follows:
(1) storage of raw material waxy corn and purification: raw material waxy corn is discharged into corn hopper after weighbridge measures, and enters raw material rotary screen through conveyer, bucket elevator, removes corn silo after secondary screening.Broken corn and part organic waste are mixed in fiber feedstuff after crushed.
(2) waxy corn material loading and immersion: remove steeping tank with Hydraulic transportation by maize storage house purification corn out after deironing, dedusting, metering.Hydraulic transportation speed is 0.9-1.2 meter per second, and corn is 1:2.5-3 with the weight ratio of conveying water, and temperature is 50 ± 2 DEG C, and conveying water circulation uses.Immersion adverse current in sulfurous acid solution of corn is carried out, and totally 8 are soaked filling.In immersion process, corn is static in tank, with pump by soak in tank on one side repeats itself while carry in previous stage tank, keep new sulfurous acid solution and the longest corn contact of soak time, and the corn newly entering tank contacts with the soak being about to discharge, thus keep best immersion effect.Soaking temperature 50 ± 2 DEG C, the concentration of sulfurous acid solution is 0.10-0.15%, soak time 60 hours.Complete the soak of immersion and rare corn steep liquor containing dry 5-9%, pH3.9-4.1, deliver to evaporization process and be condensed into corn steep liquor containing dry more than 45%.Soak the corn moisture about 45% of ending, go fragmentation through Hydraulic transportation.
(3) waxy corn is broken: the corn after immersion enters wet corn hopper by wet corn delivery pump through rockover remover, dewatering screen, enter slubbing double wedge mill again, corn is broken into 4-6 lobe, whole kernel corn is no more than 1% and isolates the plumule of 75%-85%, discharges the starch of 20%-25% simultaneously.Corn after fragmentation is pumped to one-level germ cyclone by plumule, and the plumule that separate hydrocyclone top is flowed out removes washing system, and underflow materials process song is sieved filters slurry, and oversize enters two road double wedges mills, and corn is broken into 10-12 lobe.In this slurry, should not contain whole kernel corn, be no more than 0.3% in conjunction with plumule.Through the slurry of second-time breakage through plumule pumping secondary germ cyclone, top stream material with galls the broken and bent slurry sieved out through slubbing and is mixed, return first order germ cyclone, underflow slurry feeding precision grinding process.
(4) refine: isolate the grout of plumule by pressure curved sieve through secondary germ cyclone, screenings is coarse starch milk, after starch milk and fine grinding, isolated Crude starch slurries converge and enter starch separation operation; Oversize enters impact grinding and refines, to make the starch separation that connects with fiber out to greatest extent.In slurry after grinding, fiber connection starch is not more than 7%, then enters fiber wash system.
(5) separation of fiber, washing: the slurry after fine grinding enters fibre washing bath, reinstate at the washings one of this and later washing the fibre and be pumped into first order pressure curved sieve.Coarse starch milk is isolated under sieve, oversize is through 6 stage pressure song sieve countercurrent washings, washing process water is added with compass screen surface before most rear class song sieve, the starch milk that carrying washing gets off moves forward step by step, until the first order, mix with the slurry after fine grinding in sink before sieve, jointly enter first order pressure curved sieve, isolate coarse starch milk.Again in the coarse starch milk mixing that fine grinding fore worker separates, enter starch, seitan separation circuit.Fiber on sieve, skin slag and washings are gone against the stream, and enter from the first order, discharge from most rear class compass screen surface, go fiber drying operation after entering screw extruder dehydration.
(6) starch separation, washing: by the isolated coarse starch milk of bent sieve before and after fine grinding through desanding swirler, rotary filter, isolate the higher fresh water (FW) of solubles content, for relieving haperacidity through pre-concentration seperator again.Dense starch milk enters the main centrifuge of seitan, starch.The concentration that top stream isolates gluten water is 1%-2%, send concentrating and separating machine.Underflow starch concentration 17-19 Baume, send ten secondary eddy flow washers to carry out countercurrent washing.Washings fresh water, temperature is 45 DEG C, and to wash and the starch concentration concentrated is 21-23 Baume through ten second cyclones, protein content is less than 0.35%, goes smart starch milk basin for deep processing.First order cyclone top flows through clarifying centrifuge concentrate, and underflow enters main centrifuge, and top stream is fresh water (FW).
(7) Protein Separation is with dry: flow isolated gluten water from main seperator top, containing solid content about 1%-2%, enter seitan concentrate centrifuge through filter, top stream is fresh water (FW), enter technique water pot, its solid content is about 0.2-0.5%, for plumule, fiber wash.Underflow after concentrated is about 14% containing solid content, and through the dehydration of rotary drum vacuum suction filter, vacuum is 0.053-0.067Mpa.Obtain the wet albumen of moisture 60%-62%, then use pipe bundle drier dry.Product wind model dispatches from the factory to packing shop packaging.
(8) germ washing, drying: flow isolated plumule from first order germ cyclone top, through the countercurrent washing of three grades of bent sieves, moisture 75%, enter the dehydration of plumule extruder, wet plumule moisture about 55% after dehydration, go pipe bundle drier dry, dry plumule removes refined maize oil device.
(9) waxy corn slurry evaporation: by the rare corn steep liquor containing solid content 5-9%, by vapo(u)rization system, be concentrated to containing solid content 45%-50%, adds in fiber dry together.
(10) fiber feedstuff drying and granulation: enter pipe bundle drier drying after the mixing of wet fiber, broken corn, corn steep liquor, pack after packing shop carries out granulation through wind model.
(11) finished product warehouse-in: the smart starch milk obtained, through purifying, concentrates, and after weak acid moiety hydrolysis, adds ethylene chlorhydrin in the basic conditions and carries out hydroxylating, obtains natural thickener finished product breast; Again through refining, concentrated, dry further, be transported to packing shop afterwards, carry out quality restriction, packaging, warehouse-in.Finished product is put in storage.
Claims (8)
1. the preparation method of a natural thickener, be raw material with waxy corn, it is characterized by, comprise the steps: that (1) is by after waxy corn purification and impurity removal, Hydraulic transportation removes steeping tank, after waxy corn is soaked by sulfurous acid solution adverse current in steeping tank, obtain wet corn; (2) wet corn delivers to wet corn hopper by delivery pump, entering slubbing double wedge again galls broken, one-level germ cyclone is pumped to afterwards by plumule, underflow materials filters slurry through song is sieved, oversize enters two road double wedge mill second-time breakages, and the slurry obtained is pumped to secondary germ cyclone by plumule, and top stream material is mixed with through the broken and bent slurry sieved out of slubbing, return one-level germ cyclone, collect underflow slurry; (3) underflow slurry is by pressure curved sieve, and screenings is coarse starch milk, and oversize enters impact grinding to carry out fine grinding and obtain Crude starch slurries; (4) Crude starch slurries enter fibre washing bath, first order pressure curved sieve is pumped to together with washings at this, coarse starch milk is isolated under sieve, oversize is through 6 stage pressure song sieve countercurrent washings, mix with Crude starch slurries in the sink of the starch milk washed before first order pressure curved sieve, jointly enter first order pressure curved sieve, isolate coarse starch milk, the coarse starch milk that coarse starch milk separates with fine grinding fore worker mixes; (5) coarse starch milk mixed is through desanding swirler, rotary filter, the main centrifuge that dense starch milk enters seitan, starch is isolated again through pre-concentration seperator, the starch concentration 17-19 Baume of main centrifuge underflow, ten secondary eddy flow washers are sent to carry out countercurrent washing, the smart starch milk obtained; (6) smart starch milk is through purifying, concentrated, after weak acid moiety hydrolysis, adds ethylene chlorhydrin in the basic conditions and carries out hydroxylating, obtain natural thickener, again through refining, concentrated, dry further, be transported to packing shop afterwards, carry out quality restriction, packaging, warehouse-in.
2. the preparation method of natural thickener according to claim 1, it is characterized in that: in step (1), the Hydraulic transportation speed of corn is 0.9-1.2 meter per second, and corn is 1:2.5-3 with the weight ratio of conveying water, temperature is 50 ± 2 DEG C, and conveying water circulation uses; The soaking temperature of corn 50 ± 2 DEG C, the concentration of sulfurous acid solution is 0.10-0.15%, soak time 60 hours; The soak and the rare corn steep liquor that complete immersion are 3.9-4.1 containing dry 5-9%, pH.
3. the preparation method of natural thickener according to claim 1, it is characterized in that: in step (2), wet corn by delivery pump through rockover remover, dewatering screen enters wet corn hopper, enter slubbing double wedge mill again, be broken into 4-6 lobe, corn after fragmentation is pumped to one-level germ cyclone by plumule, the plumule that top is flowed out removes washing system, underflow materials filters slurry through song is sieved, oversize enters two road double wedge mills, corn is broken into 10-12 lobe, slurry through second-time breakage is pumped to secondary germ cyclone through plumule, top stream material is mixed with through the broken and bent slurry sieved out of slubbing, return one-level germ cyclone, underflow slurry sends into precision grinding process.
4. the preparation method of natural thickener according to claim 1, it is characterized in that: in step (4), oversize is through 6 stage pressure song sieve countercurrent washings, washing process water is added with compass screen surface before most rear class song sieve, the starch milk that carrying washing gets off moves forward step by step, until first order pressure curved sieve; Fiber on sieve, skin slag and washings are gone against the stream, and enter from the first order, discharge from most rear class compass screen surface, go fiber drying operation after entering screw extruder dehydration.
5. the preparation method of natural thickener according to claim 1, is characterized in that; In step (5), pre-concentration seperator isolates the higher fresh water (FW) of solubles content for relieving haperacidity, and the concentration that main centrifuge top stream isolates gluten water is 1-2%, send concentrating and separating machine; Underflow starch concentration 17-19 Baume, send ten secondary eddy flow washers to carry out countercurrent washing, washings fresh water, temperature is 45 DEG C, to wash and the starch concentration concentrated is 21-23 Baume through ten second cyclones, protein content is less than 0.35%, goes smart starch milk basin for deep processing; First order cyclone top flows through clarifying centrifuge and carries lane, and underflow enters main centrifuge, and top stream is fresh water (FW).
6. the preparation method of the natural thickener according to claim 2 or 4, is characterized in that: by the rare corn steep liquor containing solid content 5-9%, by vapo(u)rization system, be concentrated to containing solid content 45%-50%, adds in fiber dry together; Enter pipe bundle drier drying after the mixing of wet fiber, broken corn, corn steep liquor, pack after packing shop carries out granulation through wind model.
7. the preparation method of natural thickener according to claim 3, it is characterized in that: flow isolated plumule from first order germ cyclone top, through the countercurrent washing of three grades of bent sieves, moisture 75%, enter the dehydration of plumule extruder, wet plumule moisture about 55% after dehydration, go pipe bundle drier dry, dry plumule removes refined maize oil device.
8. the preparation method of natural thickener according to claim 5, it is characterized in that: flow isolated gluten water from main seperator top, containing solid content about 1%-2%, enter seitan through filter and concentrate centrifuge, top stream is fresh water (FW), enter technique water pot, its solid content is about 0.2-0.50%, for plumule, fiber wash is used, underflow after concentrated is about 14% containing solid content, dewater through rotary drum vacuum suction filter, vacuum is 0.053-0.067Mpa, obtain the wet albumen of moisture 60%-62%, then use pipe bundle drier dry, product wind model dispatches from the factory to packing shop packaging.
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2015
- 2015-11-30 CN CN201510853418.1A patent/CN105394727A/en active Pending
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| CN102492045A (en) * | 2011-12-01 | 2012-06-13 | 甘肃昆仑生化有限责任公司 | Waxy corn starch production system and method for producing refined waxy corn starch |
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