Method and device for soaking corn by utilizing desulfurization water from power plant in starch production process

A production process, desulfurization water technology, applied in the biological field to achieve the effects of accelerating penetration, shortening soaking time, and increasing contact

Active Publication Date: 2014-08-20
LINGHUA GROUP INCORPORATED COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the technology in the relevant literature of the above corn soaking has improved the corn soaking method to a certain extent, there is no method and device for soaking corn with desulfurized water from the power plant. to report

Method used

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  • Method and device for soaking corn by utilizing desulfurization water from power plant in starch production process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Example 1: Such as figure 1 Shown, utilize the method for soaking corn in the desulfurization water of power plant in the starch production process, the steps are as follows:

[0032] (1) Dilute the power plant desulfurization water containing 30% ammonium sulfite to a concentration of 0.12% with clarified gluten water;

[0033] (2) Add the soaking water that accounts for 2 / 5 of the total tank volume in four soaking tanks;

[0034] (3) In No. 1 soaking tank 3, the corn after the treatment is loaded into earlier, and the corn is 100 cm away from the top of the tank, and the soaking water is higher than the material layer 75 cm;

[0035] (4) Filling into No. 2, No. 3 and No. 4 soaking tanks successively every 3 hours, the method is the same as step (3);

[0036] (5) After the filling in No. 4 soaking tank 6 is completed, the power plant desulfurization water diluted in step (1) is continuously added to No. 1 soaking tank 3 by sprayer 2, and the temperature in No. 1 s...

Embodiment 2

[0042] Example 2: The method for soaking corn with desulfurized water from a power plant in the starch production process, the steps are as follows:

[0043] (1) Dilute the power plant desulfurization water containing 30% ammonium sulfite to a concentration of 0.18% with clarified gluten water;

[0044] (2) Add the soaking water that accounts for 1 / 2 of the total tank volume in four soaking tanks;

[0045] (3) In No. 1 soaking tank 3, the corn after the treatment is loaded into earlier, and the corn is 150cm apart from the tank top, and the soaking water is higher than the material layer 75cm;

[0046] (4) Filling in No. 2, No. 3 and No. 4 soaking tanks successively every 5 hours, the method is the same as step (3);

[0047] (5) After the filling in No. 4 soaking tank 6 is completed, the power plant desulfurization water diluted in step (1) is continuously added to No. 1 soaking tank 3 by sprayer 2, and the temperature in No. 1 soaking tank 3 is raised. to 55°C;

[0048] (6...

Embodiment 3

[0053] Example 3: The method for soaking corn with desulfurized water from a power plant in the starch production process, the steps are as follows:

[0054] (1) Dilute the power plant desulfurization water containing 30% ammonium sulfite to a concentration of 0.14% with clarified gluten water;

[0055] (2) Add the soaking water that accounts for 2 / 5 of the total tank volume in four soaking tanks;

[0056] (3) In No. 1 soaking tank 3, the corn after the treatment is loaded into earlier, and the corn is 125cm apart from the tank top, and the soaking water is higher than the material layer 75cm;

[0057] (4) Filling in No. 2, No. 3 and No. 4 soaking tanks successively every 4 hours, the method is the same as step (3);

[0058] (5) After the filling in No. 4 soaking tank 6 is completed, the power plant desulfurization water diluted in step (1) is continuously added to No. 1 soaking tank 3 by sprayer 2, and the temperature in No. 1 soaking tank 3 is raised. to 52°C;

[0059] ...

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Abstract

The invention discloses a method and a device for soaking corn by utilizing desulfurization water from a power plant in a starch production process. The device comprises a dilution tank, a No. 1 soaking tank, a No. 2 soaking tank, a No. 3 soaking tank and a No. 4 soaking tank, wherein the dilution tank is provided with a stirring motor and spraying devices are arranged on the four soaking tanks; the dilution tank is connected with the No. 1 soaking tank, the No. 1 soaking tank is connected with the No. 2 soaking tank, the No. 2 soaking tank is connected with the No. 3 soaking tank and the No. 3 soaking tank is connected with the No. 4 soaking tank. According to the method and the device disclosed by the invention, the desulfurization water from the power plant is utilized to replace sulfurous acid water to soak the corn, the traditional countercurrent soaking is improved and the spraying devices are added in the soaking tanks, so that the consumption of SO2 is reduced, the environmental pollution caused by preparation of liquid SO2 is avoided, the soaking time is also shortened and the soaking efficiency is improved.

Description

technical field [0001] The invention belongs to the field of biotechnology. Specifically, it relates to a method and a device for soaking corn with desulfurized water of a power plant in a starch production process. Background technique [0002] During the wet preparation of cornstarch, corn is soaked in sulfurous water. Sulfurous acid soaking has the following important functions: 1. Soften corn grains; 2. Leach soluble substances; 3. Destroy the network structure of protein and separate starch and protein; 4. Prevent bacterial contamination and growth of spoilage organisms; 5. It has the effect of bleaching, can inhibit the reaction of oxidase, and prevent the discoloration of starch. So sulfurous acid plays an important role, it not only affects the extraction rate of starch but also affects the extraction effect of protein. The traditional corn soaking process generally uses sulfurous acid solution with a concentration of 0.2%-0.3% to soak at 48-53°C, and the soakin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08B30/02
Inventor 杨玉岭满德恩程美科郭脉海李国良殷慧慧杜英慧
Owner LINGHUA GROUP INCORPORATED COMPANY
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