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Fresh cassava soaking and washing method

A technology of fresh cassava and cassava, applied in the fields of application, food processing, climate change adaptation, etc., can solve problems such as not considering process water recycling, weak awareness of water resource recycling, waste of clean water, etc.

Inactive Publication Date: 2015-04-22
广西南宁市武鸣安宁淀粉有限责任公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the ineffective recycling of water resources, serious waste of water resources and increased cost of environmental protection water treatment
The common reasons for this kind of problem are: on the one hand, because the awareness of water resource recycling is very weak, the recycling of process water is not considered at all in the process of product process route design; on the other hand, the overall equipment level in the industry is backward, and the technical reserve is insufficient , in order to ensure the yield and quality of starch, most enterprises have to use clear water to wash repeatedly, resulting in serious waste of clear water, and the wastewater discharge per ton of cassava starch products (about 20-23 3 ) remain high
[0003] Among them, in the cleaning process of fresh cassava, almost all adopt the washing method, that is, the fresh cassava is washed with water while being pushed forward in the drum, and the fresh cassava washing water is directly discharged from the drum, and the washing water is not efficient. ground recycling

Method used

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  • Fresh cassava soaking and washing method

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Effect test

Embodiment

[0012] The production of the potato bath pool - the potato bath pool has an arc-shaped bottom, and four grid pools are arranged in sequence along the central axis of the potato bath pool. The grid pool is composed of a grid and a pool under it. Four-stage soaking of cassava; each grid is about 90cm long and 70cm wide, and is welded by stainless steel bars according to a certain gap; a certain number of stirring paddles 2 are installed on the grid pool 3 along the central axis 1 of the potato bath pool .

[0013] Four-stage soaking - the deslimed and peeled cassava is sent to the potato bath pool for four-stage soaking through the primary conveyor belt. When soaking cassava, put the cassava in the first grid pool of the potato bath pool , the water in the grid pool has not covered the cassava so that it can be fully soaked and washed, and the cassava is soaked in the potato bath pool while being stirred by the stirring paddle, and is transferred from the first grid pool to the ...

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Abstract

The present invention discloses a fresh cassava soaking and washing method which abandons the traditional cassava leaching process and sends a dry-method mud-removed and peeled cassava into a cassava washing tank to conduct four-stage soaking and washing. The dry-method mud removing and peeling process before soaking and washing can reduce the load in the subsequent steps of soaking and washing, etc., and save cleaning water. Cassava washing water is recycled and reused after the precipitation treatment and the water consumption is also reduced. The innovative structure design of the cassava washing tank can reduce production water and the waste water discharged volume. The purpose of terminal emission reduction is realized by the measures, the waste water discharged volume per ton of cassava starch is reduced to about 9.6-10 m<3> with a decrease by about 50%, and the entire production system has a high degree of automation, uses less labor and is easy to operate. By means of strengthening the control from the source, reducing the process emission, recycling and other means, the fresh cassava soaking and washing method improves the utilization of water resources, reduces the amount of pollutants to the maximum, and ultimately realizes balance between economic growth and environment-friendliness.

Description

technical field [0001] The invention belongs to the technical field of cassava starch production, and in particular relates to a method for soaking and washing fresh cassava. Background technique [0002] Cassava starch processing enterprises have always been large consumers of water resources and have a large amount of wastewater discharge. Most starch processing enterprises mainly adopt the traditional production process: drum rinsing → secondary hammer crusher crushing → screening → sand removal → refining and separation → dehydrationair drying → packaging of finished products, etc., briefly described as fresh cassava transportation Into the drum, the cassava in the drum is continuously pushed forward along the axial direction and radial direction, the cassava in the drum is continuously rinsed with water during the conveying process, the cassava washing water is continuously discharged, and the cassava in the drum is sent to The cassava slurry is obtained through cru...

Claims

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Application Information

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IPC IPC(8): A23N12/02
CPCY02A40/90
Inventor 刘族安刘英芬石美艳覃学江谢彩锋古碧李凯陆海勤杭方学
Owner 广西南宁市武鸣安宁淀粉有限责任公司
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