CN103265639B - Technology for immersing corn in a corn starch production process - Google Patents
Technology for immersing corn in a corn starch production process Download PDFInfo
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- CN103265639B CN103265639B CN201310159135.8A CN201310159135A CN103265639B CN 103265639 B CN103265639 B CN 103265639B CN 201310159135 A CN201310159135 A CN 201310159135A CN 103265639 B CN103265639 B CN 103265639B
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Abstract
The invention discloses a technology for immersing corn in a corn starch production process, wherein the technology uses a seven-can immersing method, and comprises a seventh into fragmentation grinding and a first can where new core is added, new-prepared acid is added into a sixth can before into fragmentation grinding, and concentration of sulfurous acid in the new-prepared acid is 0.15-0.17%; before the new-prepared acid is added, a can-inversing method is used, that is opposite to the direction in which the core is fed, a immersion liquid in the first to sixth cans is orderly poured form a can with a bigger sequence number to a can with a smaller sequence number, the liquid is poured until a liquid level that the immersed core is not exposed, and the immersion liquid level in each can is same; and the a total immersion time of the core is controlled in a range from 25h to 29h. The technology for immersing corn in the corn starch production process, strictly controls the immersion concentration and temperature, needs short immersion time, can effectively immerse out effective components in the corn, and has advantages of high yield, low concentration of sulfurous acid, short immersion time, and low power consumption and steam consumption.
Description
Technical field
The present invention relates to corn deep processing technology field, relate to the technique for soaking corn in a kind of production of corn starch particularly.
Background technology
In the production process of cornstarch, need to soak corn, existing soaking technology mainly contains two kinds: static method and counter-current.Static method is that after being mixed with corn by direct soak, soaking technology required time is long, and soak weak effect, yield is lower, cannot reach the object of continuous prodution, is only applicable to small-sized starch factory.Counter-current is a kind of method that present Ge great producer extensively adopts, and its concrete technology is by some steeping tanks, gets up with pump and placed in series, carries out adverse current immersion; The soak that the corn soak time of new input is the longest soaks, and the corn before fragmentation adds new sulfurous acid solution and soaks, and the direction that the direction of sulfurous acid tank switching and corn are fed intake is contrary, thus ensures time and the effect of corn soaking.
But it is long to there is soak time in current technique for soaking corn, soak sulfite concentration is higher, power consumption, the steam consumption are high, yield is low, the defect that production cost is high, at present, with counter-current soak time generally more than 50 hours, sulfurous acid concentration is up to 0.2 ﹪, sulfurous acid loss is high, affects the carrying out of subsequent production technique.
Summary of the invention
For the weak point that prior art exists, the invention provides the technique for soaking corn in a kind of production of corn starch, effectively can reduce the concentration of sulfurous acid during corn soaking, shorten soak time, reduce power consumption and the steam consumption, improve yield, save production cost.
To achieve these goals, technical scheme of the present invention is:
A technique for soaking corn in production of corn starch, adopts 7 tank infusion methods, and comprise No. 7 tank entering pulverizing grinder and No. 1 tank adding new corn, No. 6 tank entered before pulverizing grinder adds new relieving haperacidity, and the sulfurous acid concentration of new relieving haperacidity is 0.15 ~ 0.17 ﹪; Before adding new relieving haperacidity, adopt tank switching method, namely contrary with the direction that feeds intake of corn, the soak of the 6th to No. 1 each tank of tank is poured into little sequence number tank from large sequence number tank adverse current successively, after tank switching terminates, till each tank soak liquid level is soaked do not reveal with corn, each tank soak liquid level is identical;
Heat temperature raising, after intensification terminates, 6th to No. 2 tank soak temperature increases progressively successively step by step by tank switching direction, its thermograde difference is 1 DEG C, the sulfurous acid concentration of soak successively decreases step by step by tank switching direction, its concentration difference is 0.02 ﹪, and the temperature wherein after No. 6 tank heating is 48 DEG C, and the sulfurous acid concentration of soak is 0.10 ﹪.
Further, in immersion process, when the sulfurous acid concentration of each tank soak reduces, adopt tank switching and/or in the soak of each tank, add the method for new relieving haperacidity, adjusting the sulfurous acid concentration of soak in each tank.
Further, the time controling scope of overall corn soaking is 25 ~ 29 hours.
Compared to the prior art, technique for soaking corn in production of corn starch of the present invention, when soaking, the concentration of soak controls strict, and temperature controls strict, soak time is short, but can effectively make corn active ingredient leach, yield is high, thus effectively reduce corn soaking time sulfurous acid concentration, shorten soak time, reduce power consumption and the steam consumption, improve yield, save production cost.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail.
Embodiment 1:
This technique for soaking corn, adopts 7 tank infusion methods, and No. 7 tank enters pulverizing grinder, and No. 1 tank adds new corn, and enter No. 6 tank before pulverizing grinder and add new relieving haperacidity, the sulfurous acid concentration of new relieving haperacidity is 0.15 ﹪; Before adding new relieving haperacidity, adopt tank switching method, namely contrary with the direction that feeds intake of corn, pour in No. 5 tank by time new acid solution of No. 6 tank, the middle diacid in No. 5 tank is poured in No. 4 tank, and time old acid solution in No. 4 tank is poured in No. 3 tank, old acid in No. 3 tank is poured in No. 2 tank, after tank switching terminates, till each tank soak liquid level is soaked do not reveal with corn, each tank soak liquid level is identical.
Then heat temperature raising, heats up after terminating, and the sulfurous acid concentration of No. 6 tank soak controls to be 0.10 ﹪, it is 48 DEG C that temperature controls, the sulfurous acid concentration of No. 5 tank soak controls to be 0.08 ﹪, and it is 49 DEG C that temperature controls, and the sulfurous acid concentration of No. 4 tank soak controls to be 0.06 ﹪, it is 50 DEG C that temperature controls, the sulfurous acid concentration of No. 3 tank soak controls to be 0.04 ﹪, and it is 51 DEG C that temperature controls, and the sulfurous acid concentration of No. 2 tank soak controls to be 0.02 ﹪, it is 52 DEG C that temperature controls
In immersion process, when the sulfurous acid concentration of each tank soak reduces, adopt tank switching and/or in the soak of each tank, add the method for new relieving haperacidity, adjusting the sulfurous acid concentration of soak in each tank, make it the requirement meeting each tank soak sulfurous acid concentration.
The time controling scope of overall corn soaking is after 25 hours, is poured into by the soak of No. 6 tank in No. 5 tank, and the soak of No. 5 tank is poured in No. 4 tank, by that analogy, completes the immersion of corn.
Embodiment 2:
This technique for soaking corn, adopts 7 tank infusion methods, and No. 6 tank enters pulverizing grinder, and No. 7 tank adds new corn, and enter No. 5 tank before pulverizing grinder and add new relieving haperacidity, the sulfurous acid concentration of new relieving haperacidity is 0.17 ﹪; Before adding new relieving haperacidity, adopt tank switching method, namely contrary with the direction that feeds intake of corn, pour in No. 4 tank by time new acid solution of No. 5 tank, the middle diacid in No. 4 tank is poured in No. 3 tank, and time old acid solution in No. 3 tank is poured in No. 2 tank, old acid in No. 2 tank is poured in No. 1 tank, after tank switching terminates, till each tank soak liquid level is soaked do not reveal with corn, each tank soak liquid level is identical.
Then heat temperature raising, heats up after terminating, and the sulfurous acid concentration of No. 1 tank soak controls to be 0.10 ﹪, it is 48 DEG C that temperature controls, the sulfurous acid concentration of No. 2 tank soak controls to be 0.08 ﹪, and it is 49 DEG C that temperature controls, and the sulfurous acid concentration of No. 3 tank soak controls to be 0.06 ﹪, it is 50 DEG C that temperature controls, the sulfurous acid concentration of No. 2 tank soak controls to be 0.04 ﹪, and it is 51 DEG C that temperature controls, and the sulfurous acid concentration of No. 7 tank soak controls to be 0.02 ﹪, it is 52 DEG C that temperature controls
In immersion process, when the sulfurous acid concentration of each tank soak reduces, adopt tank switching and/or in the soak of each tank, add the method for new relieving haperacidity, adjusting the sulfurous acid concentration of soak in each tank, make it the requirement meeting each tank soak sulfurous acid concentration.
The time controling scope of overall corn soaking is 29 hours.The time controling scope of overall corn soaking is after 25 hours, is poured into by the soak of No. 5 tank in No. 4 tank, and the soak of No. 4 tank is poured in No. 3 tank, by that analogy, completes the immersion of corn.
Technical scheme of the present invention is not limited to the restriction of above-mentioned specific embodiment, the technology distortion that every technical scheme according to the present invention is made, and all falls within protection scope of the present invention.
Claims (2)
1. the technique for soaking corn in a production of corn starch, it is characterized in that: this technique adopts 7 tank infusion methods, comprise No. 7 tank entering pulverizing grinder and No. 1 tank adding new corn, No. 6 tank entered before pulverizing grinder adds new relieving haperacidity, and the sulfurous acid concentration of new relieving haperacidity is 0.15 ~ 0.17 ﹪; Before adding new relieving haperacidity, adopt tank switching method, namely contrary with the direction that feeds intake of corn, the soak of the 6th to No. 1 each tank of tank is poured into little sequence number tank from large sequence number tank adverse current successively, after tank switching terminates, till each tank soak liquid level is soaked do not reveal with corn, each tank soak liquid level is identical;
Heat temperature raising, after intensification terminates, 6th to No. 2 tank soak temperature increases progressively successively step by step by tank switching direction, its thermograde difference is 1 DEG C, the sulfurous acid concentration of soak successively decreases step by step by tank switching direction, its concentration difference is 0.02 ﹪, and the temperature wherein after No. 6 tank heating is 48 DEG C, and the sulfurous acid concentration of soak is 0.10 ﹪;
The time controling scope of overall corn soaking is 25 ~ 29 hours.
2. technique for soaking corn according to claim 1, it is characterized in that: in immersion process, when the sulfurous acid concentration of each tank soak reduces, adopt tank switching and/or in the soak of each tank, add the method for new relieving haperacidity, adjusting the sulfurous acid concentration of soak in each tank.
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| CN201310159135.8A CN103265639B (en) | 2013-05-03 | 2013-05-03 | Technology for immersing corn in a corn starch production process |
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| CN201310159135.8A CN103265639B (en) | 2013-05-03 | 2013-05-03 | Technology for immersing corn in a corn starch production process |
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| CN103265639B true CN103265639B (en) | 2015-04-29 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103554278B (en) * | 2013-11-12 | 2015-11-18 | 山东西王糖业有限公司 | Reduce the method for content of sulfur dioxide in W-Gum |
| CN103992411B (en) * | 2014-05-15 | 2016-01-06 | 菱花集团有限公司 | Power plant desulfurization water is used for the method that corn soaking prepares starch |
| CN103992410B (en) * | 2014-05-15 | 2016-01-06 | 菱花集团有限公司 | Method and the device of power plant desulfurization water soaking corn is utilized in starch producing technology |
| CN104926948A (en) * | 2015-06-03 | 2015-09-23 | 山东大宗生物开发股份有限公司 | Corn soaking equipment and application method thereof |
| CN108052026B (en) * | 2017-12-18 | 2019-12-24 | 天俱时工程科技集团有限公司 | Automatic control method for semi-continuous corn starch impregnation |
| CN112679622A (en) * | 2020-12-11 | 2021-04-20 | 伊犁川宁生物技术股份有限公司 | Corn pretreatment and soaking process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033258A (en) * | 2007-04-09 | 2007-09-12 | 菱花集团有限公司 | Production technique for starch without waste matter |
| CN101293932A (en) * | 2008-04-17 | 2008-10-29 | 窦金玉 | Reversed flow slurry circulation immersion technique in corn starch process |
| CN101375706A (en) * | 2008-09-12 | 2009-03-04 | 西王集团有限公司 | Technique for soaking corn in production of edible cornstarch |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2546686B2 (en) * | 1987-09-09 | 1996-10-23 | 三和興産株式会社 | Purification method of starch emulsion |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101033258A (en) * | 2007-04-09 | 2007-09-12 | 菱花集团有限公司 | Production technique for starch without waste matter |
| CN101293932A (en) * | 2008-04-17 | 2008-10-29 | 窦金玉 | Reversed flow slurry circulation immersion technique in corn starch process |
| CN101375706A (en) * | 2008-09-12 | 2009-03-04 | 西王集团有限公司 | Technique for soaking corn in production of edible cornstarch |
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