CN105481987A - Method for preparing pregelatinized starch from wheat B starch - Google Patents
Method for preparing pregelatinized starch from wheat B starch Download PDFInfo
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- CN105481987A CN105481987A CN201510994281.1A CN201510994281A CN105481987A CN 105481987 A CN105481987 A CN 105481987A CN 201510994281 A CN201510994281 A CN 201510994281A CN 105481987 A CN105481987 A CN 105481987A
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- 229920002472 Starch Polymers 0.000 title claims abstract description 249
- 239000008107 starch Substances 0.000 title claims abstract description 246
- 235000019698 starch Nutrition 0.000 title claims abstract description 228
- 229920000881 Modified starch Polymers 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 28
- 241000209140 Triticum Species 0.000 title claims abstract description 21
- 235000021307 Triticum Nutrition 0.000 title claims abstract description 21
- 235000013336 milk Nutrition 0.000 claims abstract description 100
- 239000008267 milk Substances 0.000 claims abstract description 100
- 210000004080 milk Anatomy 0.000 claims abstract description 100
- 108010068370 Glutens Proteins 0.000 claims abstract description 31
- 239000000853 adhesive Substances 0.000 claims abstract description 25
- 230000001070 adhesive effect Effects 0.000 claims abstract description 25
- 239000000835 fiber Substances 0.000 claims abstract description 19
- 235000021312 gluten Nutrition 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims abstract description 19
- 238000005406 washing Methods 0.000 claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 9
- 230000018044 dehydration Effects 0.000 claims abstract description 8
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 8
- 235000013312 flour Nutrition 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical group C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 claims description 13
- PMJHHCWVYXUKFD-UHFFFAOYSA-N piperylene Natural products CC=CC=C PMJHHCWVYXUKFD-UHFFFAOYSA-N 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 12
- 238000003756 stirring Methods 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 6
- 238000010790 dilution Methods 0.000 claims description 6
- 239000012895 dilution Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 239000001928 EU approved humectant Substances 0.000 abstract 1
- 235000010383 food humectant Nutrition 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000009776 industrial production Methods 0.000 abstract 1
- 238000004898 kneading Methods 0.000 abstract 1
- 239000000123 paper Substances 0.000 abstract 1
- 238000005191 phase separation Methods 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 1
- 239000002562 thickening agent Substances 0.000 abstract 1
- 238000009700 powder processing Methods 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 3
- 229940100445 wheat starch Drugs 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000000192 social effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002522 swelling effect Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
- C08B30/12—Degraded, destructured or non-chemically modified starch, e.g. mechanically, enzymatically or by irradiation; Bleaching of starch
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- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Cereal-Derived Products (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
The invention discloses a method for preparing pregelatinized starch from wheat B starch. The method mainly comprises the following steps: carrying out dough kneading, curing, homogenizing and three-phase separation on wheat flour, so as to obtain A starch milk, fiber F, B starch milk, vital gluten G and pentosan; washing and separating B starch milk and vital gluten G by virtue of a roller sieve, so as to obtain vital gluten and wheat B starch milk; separating A starch from B starch milk, pumping obtained pure B starch milk into a B starch milk buffer tank, regulating concentration, heating, preserving heat, carrying out gelatinization, and carrying out drum dehydration and airflow drying, so as to obtain the finished pregelatinized starch. The method is simple and feasible, low in cost and is beneficial to industrial production; furthermore, the prepared pregelatinized starch has good water-absorbing property, moisture retention, viscidity and dispersity and can be applied to granulated feed adhesives, quick-frozen food humectants, thickeners, paper manufacturing industry and the like.
Description
Technical field
The invention belongs to Starch Production technical field, be specifically related to a kind of method utilizing B-Starch from Wheat to prepare pre-gelatinized starch.
Background technology
Have two kinds of starch in wheat starch preparation process to produce, one is A starch, and one is B starch.Wherein A starch is the starch that refining purity is high, and the by product that B starch is made up of starch granule, damaged starch etc., its content accounts for the 10-20% of flour total amount.The difference of wheat starch production technique often affects the composition of B starch, and then affects the application of B-Starch from Wheat.The B starch by-product that general Martin's method is produced contains more albumen and piperylene, causes that the purity of B starch is low, viscosity is large, tap density is high; Although B-Starch from Wheat is the by product in starch production process, its content is not low, and the utilization of current B-Starch from Wheat rests on the stage being used for B-Starch from Wheat to make edible ethanol always.
Pre-gelatinized starch is a kind of physically denatured starch, compared with ative starch, the cold water instant dissolving of pre-gelatinized starch, water-absorbent, swelling property are all better, and pre-gelatinized starch is easy to be beneficial to by enzymic hydrolysis digest and assimilate, and has widespread use in fields such as food, medicine, chemical industry, smelting, papermaking, cultivation.Along with foodstuffs industry and aquaculture develop rapidly, the demand of pre-gelatinized starch grows with each passing day, and this is that the suitability for industrialized production of pre-gelatinized starch provides good opportunity.
Summary of the invention
The object of this invention is to provide a kind of method utilizing B-Starch from Wheat to prepare pre-gelatinized starch, the method by best in quality for the pre-gelatinized starch obtained after the A starch separation in B-Starch from Wheat Ruzhong, be widely used, and convenient and simple feasible, with low cost, be beneficial to suitability for industrialized production.
For achieving the above object, the present invention is by the following technical solutions:
Utilize B-Starch from Wheat to prepare a method for pre-gelatinized starch, comprise the following steps:
(1) and looking familiar: be 1:(0.8 ~ 1.0 in mass ratio by flour and water) be mixed to get starch adhesive, the temperature of described water is 26 ~ 33 DEG C, starch adhesive is pumped into slaking tank to carry out slaking, and the curing time is 10 ~ 20min;
(2) homogeneous is separated: stock pump after slaking is entered clarifixator and carries out homogeneous dilution, the mass concentration that homogeneous is starched below is 39 ~ 42%, then the starch adhesive after homogeneous is separated by Three-phase decanter centrifuge, obtains A starch and fiber F, B starch and gluten powder G, piperylene C;
(3) B starch milk is separated: step (2) homogeneous is separated the B starch obtained and gluten powder G and pumps into glutelin slaking tank and carry out slaking 15 ~ 20min, the starch adhesive obtained after slaking obtains one-level clear dough through the washing of one-level trommel screen, one-level trommel screen screen underflow pumps into glutelin cohesion tank, be separated through conical screen after cohesion, conical screen screen underflow pumps into B starch milk tank, conical screen screen overflow mixes with one-level clear dough and pumps into secondary trommel screen and wash and obtain secondary clear dough, and secondary trommel screen screen underflow pumps into B starch milk tank;
(4) A starch separation in B starch milk: by the B starch milk in B starch milk tank after the washing of three swirler device, underflow and the A starch milk of three swirler device are concentrated into 6 ~ 7 degree Beaume, pump into A starch milk that thick A tank and step (2) obtain and fiber F mixes, the overflow of three swirler device and B starch milk pump into B starch milk surge tank;
(5) regulate: the massfraction regulating B starch milk that adds water in B starch milk surge tank is 4 ~ 6%, adds edible alkali and stirs, and the pH regulating B starch milk is 7.5 ~ 8.5;
(6) gelatinization: the B starch milk regulating pH is pumped into steam-heated pipe line and with stir gelatinization pot, logical hot steam makes B starch milk temperature reach 80 ~ 90 DEG C, is incubated 2 ~ 3 hours;
(7) dewater: after gelatinization terminates, the pasted starch obtained slurry is squeezed into vacuum drum hopper, start vacuum drum and dewater, after dehydration, obtain wet starch;
(8) starch is dried: wet starch enters Starch Drying System to carry out oven dry and obtain pre-gelatinized starch;
(9) pack: starch after oven dry is stirred and packs, every bag of weight 25 ± 0.05Kg.
A starch in described step (2) and fiber F go to A starch refinement, and piperylene C goes to following process workshop section.
The wet starch water content that described step (7) obtains is 40 ~ 43%.
The water content of the pre-gelatinized starch that described step (8) obtains is 5 ~ 10%.
Beneficial effect of the present invention: 1, method technique simple possible of the present invention, with low cost, be beneficial to suitability for industrialized production, and the pre-gelatinized starch obtained best in quality, be widely used, open B starch utilize new way; After the gelatinization of B starch milk, utilize the finished product purity that vacuum drum carries out pasted starch dehydration, airflow drying drying obtains higher, quality is superior, and due to the A starch in B starch milk is separated, improve the yield of A starch on the one hand, on the other hand, isolate the B starch milk cohesiveness after A starch stronger, easy water-swelling, for follow-up gelatinization operation provides favourable condition.2, the pre-gelatinized starch index for preparing of the present invention: granularity >=98%, whiteness >=80%, pH5.0-8.0, moisture≤8.0%, ash content≤0.5%, viscosity (5g-100g starch paste) >=300mpas, the pre-gelatinized starch produced has good water-absorbent, moisture retention, viscosity and dispersiveness, can be used for granulated feed tackiness agent, quickfrozen food wetting Agent for Printing Inks, thickening material, paper industry etc.3, the pre-gelatinized starch that the present invention produces is the B starch to produce in wheat starch production process is raw material, its technique is simple, production cost is low, there is good economic benefit, the suitability for industrialized production that B-Starch from Wheat prepares pre-gelatinized starch meets people on Vehicles Collected from Market and, to the active demand of pre-gelatinized starch, has good social effect.
Embodiment
Embodiment 1
Utilize B-Starch from Wheat to prepare a method for pre-gelatinized starch, comprise the following steps:
(1) and looking familiar: by flour and water in mass ratio for 1:0.8 is mixed to get starch adhesive, the temperature of described water is 26 DEG C, starch adhesive is pumped into slaking tank and carries out slaking, and the curing time is 20min;
(2) homogeneous is separated: stock pump after slaking is entered clarifixator and carries out homogeneous dilution, the mass concentration that homogeneous is starched below is 39%, then the starch adhesive after homogeneous is separated by Three-phase decanter centrifuge, obtain A starch and fiber F, B starch and gluten powder G, piperylene C, wherein A starch and fiber F go to A starch refinement, and piperylene C goes to following process workshop section;
(3) B starch milk is separated: step (2) homogeneous is separated the B starch obtained and gluten powder G and pumps into glutelin slaking tank and carry out slaking 15min, the starch adhesive obtained after slaking obtains one-level clear dough through the washing of one-level trommel screen, one-level trommel screen screen underflow pumps into glutelin cohesion tank, be separated through conical screen after cohesion, conical screen screen underflow pumps into B starch milk tank, conical screen screen overflow mixes with one-level clear dough and pumps into secondary trommel screen and wash and obtain secondary clear dough, secondary trommel screen screen underflow pumps into B starch milk tank, and secondary clear dough goes to gluten powder processing workshop section;
(4) A starch separation in B starch milk: by the B starch milk in B starch milk tank after the washing of three swirler device, underflow and the A starch milk of three swirler device are concentrated into 6 degree Beaume, pump into A starch milk that thick A tank and step (2) obtain and fiber F mixes, the overflow of three swirler device and B starch milk pump into B starch milk surge tank;
(5) regulate: the massfraction regulating B starch milk that adds water in B starch milk surge tank is 4%, adds edible alkali and stirs, and the pH regulating B starch milk is 7.5;
(6) gelatinization: the B starch milk regulating pH is pumped into steam-heated pipe line and with stir gelatinization pot, logical hot steam makes B starch milk temperature reach 80 DEG C, is incubated 3 hours;
(7) dewater: after gelatinization terminates, the pasted starch obtained slurry is squeezed into vacuum drum hopper, start vacuum drum and dewater, obtain wet starch after dehydration, wet starch water content is 40%;
(8) starch is dried: wet starch enters Starch Drying System to carry out oven dry and obtain pre-gelatinized starch, and the water content of pre-gelatinized starch is 5%;
(9) pack: starch after oven dry is stirred and packs, every bag of weight 25 ± 0.05Kg.
Embodiment 2
Utilize B-Starch from Wheat to prepare a method for pre-gelatinized starch, comprise the following steps:
(1) and looking familiar: by flour and water in mass ratio for 1:1 is mixed to get starch adhesive, the temperature of described water is 33 DEG C, starch adhesive is pumped into slaking tank and carries out slaking, and the curing time is 10min;
(2) homogeneous is separated: stock pump after slaking is entered clarifixator and carries out homogeneous dilution, the mass concentration that homogeneous is starched below is 42%, then the starch adhesive after homogeneous is separated by Three-phase decanter centrifuge, obtain A starch and fiber F, B starch and gluten powder G, piperylene C, wherein A starch and fiber F go to A starch refinement, and piperylene C goes to following process workshop section;
(3) B starch milk is separated: step (2) homogeneous is separated the B starch obtained and gluten powder G and pumps into glutelin slaking tank and carry out slaking 20min, the starch adhesive obtained after slaking obtains one-level clear dough through the washing of one-level trommel screen, one-level trommel screen screen underflow pumps into glutelin cohesion tank, be separated through conical screen after cohesion, conical screen screen underflow pumps into B starch milk tank, conical screen screen overflow mixes with one-level clear dough and pumps into secondary trommel screen and wash and obtain secondary clear dough, secondary trommel screen screen underflow pumps into B starch milk tank, and secondary clear dough goes to gluten powder processing workshop section;
(4) A starch separation in B starch milk: by the B starch milk in B starch milk tank after the washing of three swirler device, underflow and the A starch milk of three swirler device are concentrated into 7 degree Beaume, pump into A starch milk that thick A tank and step (2) obtain and fiber F mixes, the overflow of three swirler device and B starch milk pump into B starch milk surge tank;
(5) regulate: the massfraction regulating B starch milk that adds water in B starch milk surge tank is 6%, adds edible alkali and stirs, and the pH regulating B starch milk is 8.5;
(6) gelatinization: the B starch milk regulating pH is pumped into steam-heated pipe line and with stir gelatinization pot, logical hot steam makes B starch milk temperature reach 90 DEG C, is incubated 2 hours;
(7) dewater: after gelatinization terminates, the pasted starch obtained slurry is squeezed into vacuum drum hopper, start vacuum drum and dewater, obtain wet starch after dehydration, wet starch water content is 43%;
(8) starch is dried: wet starch enters Starch Drying System to carry out oven dry and obtain pre-gelatinized starch, and the water content of pre-gelatinized starch is 10%;
(9) pack: starch after oven dry is stirred and packs, every bag of weight 25 ± 0.05Kg.
Embodiment 3
Utilize B-Starch from Wheat to prepare a method for pre-gelatinized starch, comprise the following steps:
(1) and looking familiar: by flour and water in mass ratio for 1:0.9 is mixed to get starch adhesive, the temperature of described water is 28 DEG C, starch adhesive is pumped into slaking tank and carries out slaking, and the curing time is 18min;
(2) homogeneous is separated: stock pump after slaking is entered clarifixator and carries out homogeneous dilution, the mass concentration that homogeneous is starched below is 40%, then the starch adhesive after homogeneous is separated by Three-phase decanter centrifuge, obtain A starch and fiber F, B starch and gluten powder G, piperylene C, wherein A starch and fiber F go to A starch refinement, and piperylene C goes to following process workshop section;
(3) B starch milk is separated: step (2) homogeneous is separated the B starch obtained and gluten powder G and pumps into glutelin slaking tank and carry out slaking 16min, the starch adhesive obtained after slaking obtains one-level clear dough through the washing of one-level trommel screen, one-level trommel screen screen underflow pumps into glutelin cohesion tank, be separated through conical screen after cohesion, conical screen screen underflow pumps into B starch milk tank, conical screen screen overflow mixes with one-level clear dough and pumps into secondary trommel screen and wash and obtain secondary clear dough, secondary trommel screen screen underflow pumps into B starch milk tank, and secondary clear dough goes to gluten powder processing workshop section;
(4) A starch separation in B starch milk: by the B starch milk in B starch milk tank after the washing of three swirler device, underflow and the A starch milk of three swirler device are concentrated into 6 ~ 7 degree Beaume, pump into A starch milk that thick A tank and step (2) obtain and fiber F mixes, the overflow of three swirler device and B starch milk pump into B starch milk surge tank;
(5) regulate: the massfraction regulating B starch milk that adds water in B starch milk surge tank is 5%, adds edible alkali and stirs, and the pH regulating B starch milk is 8.0;
(6) gelatinization: the B starch milk regulating pH is pumped into steam-heated pipe line and with stir gelatinization pot, logical hot steam makes B starch milk temperature reach 85 DEG C, is incubated 2.5 hours;
(7) dewater: after gelatinization terminates, the pasted starch obtained slurry is squeezed into vacuum drum hopper, start vacuum drum and dewater, obtain wet starch after dehydration, wet starch water content is 41%;
(8) starch is dried: wet starch enters Starch Drying System to carry out oven dry and obtain pre-gelatinized starch, and the water content of pre-gelatinized starch is 6%;
(9) pack: starch after oven dry is stirred and packs, every bag of weight 25 ± 0.05Kg.
Embodiment 4
Utilize B-Starch from Wheat to prepare a method for pre-gelatinized starch, comprise the following steps:
(1) and looking familiar: by flour and water in mass ratio for 1:1 is mixed to get starch adhesive, the temperature of described water is 30 DEG C, starch adhesive is pumped into slaking tank and carries out slaking, and the curing time is 15min;
(2) homogeneous is separated: stock pump after slaking is entered clarifixator and carries out homogeneous dilution, the mass concentration that homogeneous is starched below is 41%, then the starch adhesive after homogeneous is separated by Three-phase decanter centrifuge, obtain A starch and fiber F, B starch and gluten powder G, piperylene C, wherein A starch and fiber F go to A starch refinement, and piperylene C goes to following process workshop section;
(3) B starch milk is separated: step (2) homogeneous is separated the B starch obtained and gluten powder G and pumps into glutelin slaking tank and carry out slaking 18min, the starch adhesive obtained after slaking obtains one-level clear dough through the washing of one-level trommel screen, one-level trommel screen screen underflow pumps into glutelin cohesion tank, be separated through conical screen after cohesion, conical screen screen underflow pumps into B starch milk tank, conical screen screen overflow mixes with one-level clear dough and pumps into secondary trommel screen and wash and obtain secondary clear dough, secondary trommel screen screen underflow pumps into B starch milk tank, and secondary clear dough goes to gluten powder processing workshop section;
(4) A starch separation in B starch milk: by the B starch milk in B starch milk tank after the washing of three swirler device, underflow and the A starch milk of three swirler device are concentrated into 6 ~ 7 degree Beaume, pump into A starch milk that thick A tank and step (2) obtain and fiber F mixes, the overflow of three swirler device and B starch milk pump into B starch milk surge tank;
(5) regulate: the massfraction regulating B starch milk that adds water in B starch milk surge tank is 4 ~ 6%, adds edible alkali and stirs, and the pH regulating B starch milk is 8.2;
(6) gelatinization: the B starch milk regulating pH is pumped into steam-heated pipe line and with stir gelatinization pot, logical hot steam makes B starch milk temperature reach 82 DEG C, is incubated 3 hours;
(7) dewater: after gelatinization terminates, the pasted starch obtained slurry is squeezed into vacuum drum hopper, start vacuum drum and dewater, obtain wet starch after dehydration, wet starch water content is 42%;
(8) starch is dried: wet starch enters Starch Drying System to carry out oven dry and obtain pre-gelatinized starch, and the water content of pre-gelatinized starch is 8%;
(9) pack: starch after oven dry is stirred and packs, every bag of weight 25 ± 0.05Kg.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (4)
1. the method utilizing B-Starch from Wheat to prepare pre-gelatinized starch, it is characterized in that comprising the following steps: (1) and looking familiar: be 1:(0.8 ~ 1.0 in mass ratio by flour and water) be mixed to get starch adhesive, the temperature of described water is 26 ~ 33 DEG C, starch adhesive is pumped into slaking tank and carry out slaking, the curing time is 10 ~ 20min;
(2) homogeneous is separated: stock pump after slaking is entered clarifixator and carries out homogeneous dilution, the mass concentration that homogeneous is starched below is 39 ~ 42%, then the starch adhesive after homogeneous is separated by Three-phase decanter centrifuge, obtains A starch and fiber F, B starch and gluten powder G, piperylene C;
(3) B starch milk is separated: step (2) homogeneous is separated the B starch obtained and gluten powder G and pumps into glutelin slaking tank and carry out slaking 15 ~ 20min, the starch adhesive obtained after slaking obtains one-level clear dough through the washing of one-level trommel screen, one-level trommel screen screen underflow pumps into glutelin cohesion tank, be separated through conical screen after cohesion, conical screen screen underflow pumps into B starch milk tank, conical screen screen overflow mixes with one-level clear dough and pumps into secondary trommel screen and wash and obtain secondary clear dough, and secondary trommel screen screen underflow pumps into B starch milk tank;
(4) A starch separation in B starch milk: by the B starch milk in B starch milk tank after the washing of three swirler device, underflow and the A starch milk of three swirler device are concentrated into 6 ~ 7 degree Beaume, pump into A starch milk that thick A tank and step (2) obtain and fiber F mixes, the overflow of three swirler device and B starch milk pump into B starch milk surge tank;
(5) regulate: the massfraction regulating B starch milk that adds water in B starch milk surge tank is 4 ~ 6%, adds edible alkali and stirs, and the pH regulating B starch milk is 7.5 ~ 8.5;
(6) gelatinization: the B starch milk regulating pH is pumped into steam-heated pipe line and with stir gelatinization pot, logical hot steam makes B starch milk temperature reach 80 ~ 90 DEG C, is incubated 2 ~ 3 hours;
(7) dewater: after gelatinization terminates, the pasted starch obtained slurry is squeezed into vacuum drum hopper, start vacuum drum and dewater, after dehydration, obtain wet starch;
(8) starch is dried: wet starch enters Starch Drying System to carry out oven dry and obtain pre-gelatinized starch;
(9) pack: starch after oven dry is stirred and packs, every bag of weight 25 ± 0.05Kg.
2. the method utilizing B-Starch from Wheat to prepare pre-gelatinized starch according to claim 1, is characterized in that: the A starch in described step (2) and fiber F go to A starch refinement, and piperylene C goes to following process workshop section.
3. the method utilizing B-Starch from Wheat to prepare pre-gelatinized starch according to claim 1, is characterized in that: the wet starch water content that described step (7) obtains is 40 ~ 43%.
4. the method utilizing B-Starch from Wheat to prepare pre-gelatinized starch according to claim 1, is characterized in that: the water content of the pre-gelatinized starch that described step (8) obtains is 5 ~ 10%.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110013025A (en) * | 2018-01-10 | 2019-07-16 | 丰益(上海)生物技术研发中心有限公司 | Starch gelatinization method and its product |
| CN110613055A (en) * | 2019-09-27 | 2019-12-27 | 江苏瑞牧生物科技有限公司 | Method for improving viscosity of special whole wheat flour for feed |
| CN111087487A (en) * | 2019-12-25 | 2020-05-01 | 中华全国供销合作总社天津再生资源研究所 | Method for preparing pentosan from wheat bran |
| CN115141287A (en) * | 2022-08-10 | 2022-10-04 | 迈安德集团有限公司 | Method for preparing wheat starch and wheat gluten from posterior powder |
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| CN101641018A (en) * | 2007-02-09 | 2010-02-03 | Gea韦斯伐里亚分离机有限公司 | Method for obtaining a valuable product, particularly starch, from grain flour |
| CN102302084A (en) * | 2011-08-18 | 2012-01-04 | 山东江口生物科技有限公司 | Process for separating wheat starch |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110013025A (en) * | 2018-01-10 | 2019-07-16 | 丰益(上海)生物技术研发中心有限公司 | Starch gelatinization method and its product |
| CN110013025B (en) * | 2018-01-10 | 2022-05-31 | 丰益(上海)生物技术研发中心有限公司 | Starch gelatinization method and product thereof |
| CN110613055A (en) * | 2019-09-27 | 2019-12-27 | 江苏瑞牧生物科技有限公司 | Method for improving viscosity of special whole wheat flour for feed |
| CN111087487A (en) * | 2019-12-25 | 2020-05-01 | 中华全国供销合作总社天津再生资源研究所 | Method for preparing pentosan from wheat bran |
| CN115141287A (en) * | 2022-08-10 | 2022-10-04 | 迈安德集团有限公司 | Method for preparing wheat starch and wheat gluten from posterior powder |
| CN115141287B (en) * | 2022-08-10 | 2023-08-25 | 迈安德集团有限公司 | Method for preparing wheat starch and wheat gluten from back-road flour |
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| CN105481987B (en) | 2018-01-12 |
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