CN105294865A - Manufacturing technology of modified starch - Google Patents
Manufacturing technology of modified starch Download PDFInfo
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- CN105294865A CN105294865A CN201510808191.9A CN201510808191A CN105294865A CN 105294865 A CN105294865 A CN 105294865A CN 201510808191 A CN201510808191 A CN 201510808191A CN 105294865 A CN105294865 A CN 105294865A
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Abstract
The invention belongs to the field of natural organic chemistry, and relates to a production technology of modified starch. According to the provided technology, diluted hydrochloric acid is taken as the acidifying agent. The provided method is simple, has a high yield, and is suitable for massive production. Moreover, the cost is largely reduced. Most of impurities can be removed through water washing, and the operation is easy.
Description
Technical field
The present invention relates to a kind of manufacture craft of modified starch, particularly relate to the technique utilizing dilute hydrochloric acid acid to become.
Background technology
Modified starch is the character utilizing the means such as physics, chemistry and enzyme to change native starch, makes it meet the needs of all trades and professions application.The usage quantity of modified starch and scope are very wide, and China has produced pre-gelatinized starch, acidified starch, Sumstar 190, etherification starch, esterification starch, cross-linking starch, graft starch etc. and has been applied to industry more than totally 70 kind such as weaving, papermaking, food, oil, medical, building, agriculture feed, daily-use chemical industry.Be wherein maximum with the application quantity of paper industry, account for total amount 50-60%, be mainly used as wet end additive, interlayer or surface spray agent, Surface Size and coating adhesive.They significantly improve the various physical strengths of paper, improve quality and class, reduce wood pulp proportioning, improve the retention of fiber fines, filler, improve the ash content of finished paper, whiteness and opaqueness, reduce wet end breaks, alleviate three waste discharge, and improve printing performance.
Modified starch can make processed food keep higher viscosity stability under high temperature, high shear force and low PH condition in the application of foodstuffs industry, keep its thickening capabilities, also the food after can making processing avoids water quality to be separated in room temperature or cryopreservation procedures, owing to being improve the transparency of starch paste by sex change, therefore can improve the outward appearance of food, improve its glossiness.So modified starch can be added, to improve the quality of products at food convenient for production, meat product, food flavouring, Yoghourt, soup stock, candy, jelly, frozen product, sweetened bean paste stuffing, crispy snack, snackfoods etc.Modified starch, in textile industry large usage quantity, is mainly used in gauze starching, printing gum, is mainly used for the multiple occasion of petroleum drilling fluid, fracturing liquid and production of hydrocarbons at petroleum industry modified starch.The applied range of modified starch in a word, specificity is strong, wide in variety, is that a market potential is large, the product in development.
Summary of the invention
The object of the present invention is to provide a kind of manufacture craft of modified starch, product yield is high, and cost is low, is convenient to produce.
The invention provides the manufacture craft that the present invention relates to a kind of modified starch, its step comprises:
(1) raw material selection: select the product that starch content is high, as potato, corn, sweet potato etc.;
(2) wash: raw material is cleaned, washes away mud and rinse well with clear water, for subsequent use;
(3) pulverize: be placed in crusher by clean product and pulverize, pulverize repetition 3 times, until be fine particle, every powder once all needs to spray water in order to grinding, with sieve screen once, to remove the tissue and impurity that do not grind; Water consumption time broken is about 2 times of material quantity, and the water for screen is about heavy 4 times of raw material, and the concentration of the rare starch milk of last gained is about 4-8 degree Beaume;
(4) precipitate: rare starch milk sedimentation time in skewed slot completed in 8 hours, surveyed its pH value, if lower than 5.4 time, can add alkali lye adjustment;
(5) washing and bleaching: the starch obtained from the settling bath of skewed slot processing is diluted to 20 degree of Baumes, by pump delivery to rinse bath, washes with water 2-3 time, venting waste liquid, be added with water and be diluted to 18 degree of Baumes, warp let-off glue workshop section; Poor for raw material, the starch that pink colour is darker, then carry out decolouring bleaching, SYNTHETIC OPTICAL WHITNER chlorinated lime or S02 after in the end washing together;
(6) dewater: starch milk cloth parcel is also wet starch after mechanically dewatering, and wet starch outward appearance is surging pure white, forms block, does not turn sour, and tangent plane is smooth;
(7) dry: first by starch agglomerates time dry, temperature controls at 40-60 DEG C, dry starch water content, below 20%, obtains ative starch;
(8) size mixing: ative starch adds water and to size mixing in mixing vessels, and the concentration of farinaceous size is at 35%-40%, and temperature is 35-60 DEG C;
(9) acidolysis: the slurries mixed up being added dilute hydrochloric acid consumption is 5%, connects heating and temperature controlling instruments, makes starch milk be warmed up to 35-36 DEG C, constant temperature acidolysis 4 hours;
(10) reclaim acid solution: denaturated starch by acid is poured in stainless steel drier, start gets rid of about 20 minutes, adds tap water, then gets rid of 5 minutes, reclaims acid solution;
(11) neutralize: dry to about pH6.0 containing sour denaturated starch by acid breast with the sodium hydrogen carbonate solution neutralization of 5% concentration;
(12) clear water rinses: rinse with process water and stop without saline taste to elutant, dry to obtain Acid denaturation powder wet-milling;
(13) dry: dry at 80 DEG C, make water content below 12%, get product.
Embodiment:
Embodiment 1: the manufacture craft that the present invention relates to a kind of modified starch, its step comprises:
(1) raw material selection: the potato that selection starch content is high, corn or sweet potato;
(2) wash: raw material is cleaned, washes away mud and rinse well with clear water, for subsequent use;
(3) pulverize: the amyloid product cleaned is placed in crusher and is pulverized, pulverize repetition 3 times, until be fine particle, every powder once all needs to spray water in order to grinding, with sieve screen once, to remove the tissue and impurity that do not grind; Water consumption time broken is about 2 times of material quantity, and the water for screen is about heavy 4 times of raw material, and the concentration of the rare starch milk of last gained is about 4 degree Beaume;
(4) precipitate: rare starch milk sedimentation time in skewed slot completed in 8 hours, surveyed its pH value, if lower than 5.4 time, can add alkali lye adjustment;
(5) washing and bleaching: the starch obtained from the settling bath of skewed slot processing is diluted to 20 degree of Baumes, by pump delivery to rinse bath, washes with water 2-3 time, venting waste liquid, be added with water and be diluted to 18 degree of Baumes, warp let-off glue workshop section; Poor for raw material, the starch that pink colour is darker, then carry out decolouring bleaching, SYNTHETIC OPTICAL WHITNER chlorinated lime or S02 after in the end washing together;
(6) dewater: starch milk cloth parcel is also wet starch after mechanically dewatering, and wet starch outward appearance is surging pure white, forms block, does not turn sour, and tangent plane is smooth;
(7) dry: first by starch agglomerates time dry, temperature controls at 55 DEG C, dry starch water content, below 20%, obtains ative starch;
(8) size mixing: ative starch adds water and to size mixing in mixing vessels, and the concentration of farinaceous size is 40%, and temperature is 35 DEG C;
(9) acidolysis: the slurries mixed up being added dilute hydrochloric acid consumption is 5%, connects heating and temperature controlling instruments, makes starch milk be warmed up to 35-36 DEG C, constant temperature acidolysis 4 hours;
(10) reclaim acid solution: denaturated starch by acid is poured in stainless steel drier, start gets rid of about 20 minutes, adds tap water, then gets rid of 5 minutes, reclaims acid solution;
(11) neutralize: dry to about pH6.0 containing sour denaturated starch by acid breast with the sodium hydrogen carbonate solution neutralization of 5% concentration;
(12) clear water rinses: rinse with process water and stop without saline taste to elutant, dry to obtain Acid denaturation powder wet-milling;
(13) dry: dry at 80 DEG C, make water content below 12%, get product.
Embodiment 2: the manufacture craft that the present invention relates to a kind of modified starch, its step comprises:
(1) raw material selection: the potato that selection starch content is high, corn or sweet potato;
(2) wash: raw material is cleaned, washes away mud and rinse well with clear water, for subsequent use;
(3) pulverize: be placed in crusher by clean potato and pulverize, pulverize repetition 3 times, until be fine particle, every powder once all needs to spray water in order to grinding, with sieve screen once, to remove the tissue and impurity that do not grind; Water consumption time broken is about 2 times of material quantity, and the water for screen is about heavy 4 times of raw material, concentration about 8 degree Beaume of the rare starch milk of last gained;
(4) precipitate: rare starch milk sedimentation time in skewed slot completed in 8 hours, surveyed its pH value, if lower than 5.4 time, can add alkali lye adjustment;
(5) washing and bleaching: the starch obtained from the settling bath of skewed slot processing is diluted to 20 degree of Baumes, by pump delivery to rinse bath, washes with water 2-3 time, venting waste liquid, be added with water and be diluted to 18 degree of Baumes, warp let-off glue workshop section; Poor for raw material, the starch that pink colour is darker, then carry out decolouring bleaching, SYNTHETIC OPTICAL WHITNER chlorinated lime or S02 after in the end washing together;
(6) dewater: starch milk cloth parcel is also wet starch after mechanically dewatering, and wet starch outward appearance is surging pure white, forms block, does not turn sour, and tangent plane is smooth;
(7) dry: first by starch agglomerates time dry, temperature controls at 40 DEG C, dry starch water content, below 20%, obtains ative starch;
(8) size mixing: ative starch adds water and to size mixing in mixing vessels, and the concentration of farinaceous size is 35, and temperature is 60 DEG C;
(9) acidolysis: the slurries mixed up being added dilute hydrochloric acid consumption is 5%, connects heating and temperature controlling instruments, makes starch milk be warmed up to 35-36 DEG C, constant temperature acidolysis 4 hours;
(10) reclaim acid solution: denaturated starch by acid is poured in stainless steel drier, start gets rid of about 20 minutes, adds tap water, then gets rid of 5 minutes, reclaims acid solution;
(11) neutralize: dry to about pH6.0 containing sour denaturated starch by acid breast with the sodium hydrogen carbonate solution neutralization of 5% concentration;
(12) clear water rinses: rinse with process water and stop without saline taste to elutant, dry to obtain Acid denaturation powder wet-milling;
(13) dry: dry at 80 DEG C, make water content below 12%, get product.
Claims (5)
1. the invention provides the manufacture craft that the present invention relates to a kind of modified starch, its step comprises:
(1) raw material selection: select the product that starch content is high, as potato, corn, sweet potato etc.;
(2) wash: raw material is cleaned, washes away mud and rinse well with clear water, for subsequent use;
(3) pulverize: be placed in crusher by clean product and pulverize, pulverize repetition 3 times, until be fine particle, every powder once all needs to spray water in order to grinding, with sieve screen once, to remove the tissue and impurity that do not grind; Water consumption time broken is about 2 times of material quantity, and the water for screen is about heavy 4 times of raw material, and the concentration of the rare starch milk of last gained is about 4-8 degree Beaume;
(4) precipitate: rare starch milk sedimentation time in skewed slot completed in 8 hours, surveyed its pH value, if lower than 5.4 time, can add alkali lye adjustment;
(5) washing and bleaching: the starch obtained from the settling bath of skewed slot processing is diluted to 20 degree of Baumes, by pump delivery to rinse bath, washes with water 2-3 time, venting waste liquid, be added with water and be diluted to 18 degree of Baumes, warp let-off glue workshop section; Poor for raw material, the starch that pink colour is darker, then carry out decolouring bleaching, SYNTHETIC OPTICAL WHITNER chlorinated lime or SO2 after in the end washing together;
(6) dewater: starch milk cloth parcel is also wet starch after mechanically dewatering, and wet starch outward appearance is surging pure white, forms block, does not turn sour, and tangent plane is smooth;
(7) dry: first by starch agglomerates time dry, temperature controls at 40-60 DEG C, dry starch water content, below 20%, obtains ative starch;
(8) size mixing: ative starch adds water and to size mixing in mixing vessels, and the concentration of farinaceous size is at 35%-40%, and temperature is 35-60 DEG C;
(9) acidolysis: the slurries mixed up being added dilute hydrochloric acid consumption is 5%, connects heating and temperature controlling instruments, makes starch milk be warmed up to 35-36 DEG C, constant temperature acidolysis 4 hours;
(10) reclaim acid solution: denaturated starch by acid is poured in stainless steel drier, start gets rid of about 20 minutes, adds tap water, then gets rid of 5 minutes, reclaims acid solution;
(11) neutralize: dry to about pH6.0 containing sour denaturated starch by acid breast with the sodium hydrogen carbonate solution neutralization of 5% concentration;
(12) clear water rinses: rinse with process water and stop without saline taste to elutant, dry to obtain Acid denaturation powder wet-milling;
(13) dry: dry at 80 DEG C, make water content below 12%, get product.
2. the manufacture craft of a kind of modified starch according to claim 1, is characterized in that: in described step (3), every powder once all need water spray in order to grinding, with sieve screen once, to remove the tissue and impurity that do not grind.
3. the manufacture craft of a kind of modified starch according to claim 1, is characterized in that: in described step (4), and rare starch milk sedimentation time in skewed slot completed in 8 hours, surveyed its pH value and remained on more than 5.4.
4. the manufacture craft of a kind of modified starch according to claim 1, is characterized in that: in described step (8), and ative starch adds water and to size mixing in mixing vessels, and the concentration of farinaceous size is at 35%-40%, and temperature is 35-60 DEG C.
5. the manufacture craft of a kind of middle modified starch according to claim 1, is characterized in that: in described step (9), acid used is dilute hydrochloric acid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510808191.9A CN105294865A (en) | 2015-11-16 | 2015-11-16 | Manufacturing technology of modified starch |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510808191.9A CN105294865A (en) | 2015-11-16 | 2015-11-16 | Manufacturing technology of modified starch |
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| CN105294865A true CN105294865A (en) | 2016-02-03 |
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| CN201510808191.9A Pending CN105294865A (en) | 2015-11-16 | 2015-11-16 | Manufacturing technology of modified starch |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845631A (en) * | 2019-11-15 | 2020-02-28 | 佛山宏硕食品科技有限公司 | Preparation method of acid-treated modified starch |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891829A (en) * | 2010-07-08 | 2010-11-24 | 广西大学 | Acid hydrolysis modified starch and method for preparing same |
| CN103102420A (en) * | 2011-11-11 | 2013-05-15 | 汤继刚 | Preparation technology of potato starch |
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2015
- 2015-11-16 CN CN201510808191.9A patent/CN105294865A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101891829A (en) * | 2010-07-08 | 2010-11-24 | 广西大学 | Acid hydrolysis modified starch and method for preparing same |
| CN103102420A (en) * | 2011-11-11 | 2013-05-15 | 汤继刚 | Preparation technology of potato starch |
Non-Patent Citations (1)
| Title |
|---|
| 张超凡等: "《特色薯类高产高效栽培技术（第1版）》", 30 June 2012, 中南大学出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110845631A (en) * | 2019-11-15 | 2020-02-28 | 佛山宏硕食品科技有限公司 | Preparation method of acid-treated modified starch |
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Application publication date: 20160203 |