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Technology for substituting disposable hydrate transferring raw material with corn slurry

A technology of corn steep liquor and corn soaking water, applied in the field of water saving, which can solve the problems of large amount of waste water and large amount of primary water consumption, and achieve the effects of saving primary water, reducing waste water discharge, and reducing soaking time

Inactive Publication Date: 2007-09-05
LINGHUA GROUP INCORPORATED COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, my country's starch production uses primary water, that is, fresh water to transport corn raw materials into soaking tanks for soaking. This process has defects such as large primary water consumption and large amount of waste water.

Method used

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  • Technology for substituting disposable hydrate transferring raw material with corn slurry
  • Technology for substituting disposable hydrate transferring raw material with corn slurry

Examples

Experimental program
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Effect test

Embodiment 1

[0013] Corn slurry of the present invention replaces primary water delivery raw material technology, and its technological process is as follows: corn→cleaning→(with thin corn steep liquor) conveying, conveying speed 0.9m / s, 35 ℃, corn: the ratio of thin corn steep liquor is 1: 2.5 → Soak for 72 hours, sulfurous acid concentration 0.2%, temperature 48°C → (corn soaking water) dilute corn syrup contains 7% dry matter, pH value 3.9 → corn transportation. Operation process: Pump the corn soaking water (thin corn steep liquor) that was originally used to further concentrate the production of corn steep liquor to the corn cleaning station, mix it with the cleaned corn, then pump it into the corn soaking tank, and transport it to the corn crushing station. The dilute corn syrup from the corn crushing station is sent back to the enrichment station.

Embodiment 2

[0015] Corn slurry of the present invention replaces primary water delivery raw material technology, and its technological process is as follows: corn→cleaning→(with thin corn steep liquor) conveying, conveying speed 1.0m / s, 38 ℃, corn: the ratio of thin corn steep liquor is 1: 2.8 → Soak for 70 hours, sulfurous acid concentration 0.25%, temperature 50°C → (corn soaking water) dilute corn syrup contains 8% dry matter, pH value 4.0 → corn transportation. Operation process: Pump the corn soaking water (thin corn steep liquor) that was originally used to further concentrate the production of corn steep liquor to the corn cleaning station, mix it with the cleaned corn, then pump it into the corn soaking tank, and transport it to the corn crushing station. The dilute corn syrup from the corn crushing station is sent back to the enrichment station.

Embodiment 3

[0017] Corn slurry of the present invention replaces primary water delivery raw material technology, and its technological process is as follows: corn→cleaning→(with thin corn steep liquor) conveying, conveying speed 1.2m / s, 40 ℃, corn: the ratio of thin corn steep liquor is 1: 3.0→soak for 68 hours, sulfurous acid concentration 0.3%, temperature 52°C→(corn soaking water) dilute corn syrup contains 9% dry matter, pH value 4.1→corn transportation. Operation process: Pump the corn soaking water (thin corn steep liquor) that was originally used to further concentrate the production of corn steep liquor to the corn cleaning station, mix it with the cleaned corn, then pump it into the corn soaking tank, and transport it to the corn crushing station. The dilute corn syrup from the corn crushing station is sent back to the enrichment station.

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PUM

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Abstract

A technique for using diluted corn milk instead of primary water to deliver the corn grains used to prepare corn starch includes such steps as preparing diluted corn milk from corn through immersing in the solution of sulfurous acid for 60-72 hr, making diluted corn milk and regulating pH=3.9-4.1, removing impurities from corn grains, and using said diluted corn milk to deliver corn grains.

Description

(1) Technical field [0001] The invention relates to a water-saving technology in a starch production process, in particular to a new technology for transporting corn by using dilute corn steep liquor formed by soaking corn instead of primary water. (2) Technical background [0002] At present, my country's starch production uses primary water, that is, fresh water to transport corn raw materials into soaking tanks for soaking. This process has defects such as large primary water consumption and large amount of waste water. (3) Contents of the invention [0003] The technical task of the present invention is to aim at the deficiencies of the prior art, and provide a raw material transportation technology that can save primary water and improve the utilization efficiency of water resources by using corn slurry instead of primary water, and this technology can also effectively reduce the amount of waste water produced. [0004] The technical solution adopted by the present in...

Claims

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Application Information

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IPC IPC(8): C08B30/02
Inventor 杨玉岭李高卫满德恩胡昆之赵保国赵志敏
Owner LINGHUA GROUP INCORPORATED COMPANY
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