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Sewage treatment process in bean product production process

A production process and sewage treatment technology, which is applied in the direction of neutralization water/sewage treatment, water/sewage treatment, food industry wastewater treatment, etc. It can solve the problems of inability to meet the treatment of peculiar smell and national discharge standards, so as to reduce the impact, The effect of saving cost and reducing consumption

Inactive Publication Date: 2021-04-06
CHONGQING HEDELONG FOOD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the present invention provides a sewage treatment process in the production process of bean products, which has the advantages of being able to filter and separate bean dregs and sewage, and can carry out safe and environmentally friendly treatment of both, which solves the current problems The process is only to separate the bean dregs sewage, but it can't meet the problem of dealing with peculiar smell and can't meet the national discharge standards

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment one: a kind of sewage treatment process in the bean product production process, comprises the following steps:

[0027] S1. Collecting and heating: Pour the sewage produced in the production process of soybean products into the preparatory pool for centralized collection, and continuously heat the collected sewage of soybean products until it boils;

[0028] S2. Primary filtration: Let the boiled bean product sewage in S1 stand for 2 hours and then discharge it into the standby pool, and then filter through the grid to filter out the larger bean dregs and collect them centrally. The grid is 100 mesh and filtered The number of times is 3 times;

[0029] S3. Adding flocculant: introduce the soy product sewage filtered in S2 into the reaction tank, add 0.5 part of flocculant, and the staff will continue to stir in the same direction with a stirring stick. The stirring time is 10 minutes, and the flocculant is combined with the bean dregs in the sewage , and flo...

Embodiment 2

[0034] Embodiment two: a kind of sewage treatment process in the bean product production process, comprises the following steps:

[0035] S1. Collecting and heating: Pour the sewage produced in the production process of soybean products into the preparatory pool for centralized collection, and continuously heat the collected sewage of soybean products until it boils;

[0036] S2. Primary filtration: Let the boiled bean product sewage in S1 stand for 4 hours and then discharge it into the spare pool, and then filter through the grid to filter out the larger bean dregs and collect them centrally. The grid is 125 mesh and filtered The number of times is 4;

[0037]S3. Adding flocculant: introduce the soy product sewage filtered in S2 into the reaction tank, add 1 part of flocculant, and the staff will continue to stir in the same direction with a stirring stick. The stirring time is 15 minutes. The flocculant is combined with the bean dregs in the sewage , and float on the surfa...

Embodiment 3

[0042] Embodiment three: a kind of sewage treatment process in the bean product production process, comprises the following steps:

[0043] S1. Collecting and heating: Pour the sewage produced in the production process of soybean products into the preparatory pool for centralized collection, and continuously heat the collected sewage of soybean products until it boils;

[0044] S2. Primary filtration: Let the boiled bean product sewage in S1 stand for 6 hours and then discharge it into the spare pool, and then filter through the grid to filter out the larger bean dregs and collect them centrally. The grid is 150 mesh and filtered The number of times is 5;

[0045] S3. Adding flocculant: introduce the soy product sewage filtered in S2 into the reaction tank, add 1 part of flocculant, and the staff will continue to stir in the same direction with a stirring stick. The stirring time is 20 minutes. The flocculant is combined with the bean dregs in the sewage , making fine bean dr...

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PUM

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Abstract

The invention discloses a sewage treatment process in a bean product production process, and relates to the technical field of bean product production. The sewage treatment process in the bean product production process comprises seven steps of collecting and heating, primarily filtering, adding a flocculating agent, re-filtering, treating dregs, treating sewage and discharging. According to the invention, the reaction time of the flocculating agent step is shortened, a large amount of flocculating agent does not need to be added into a small amount of bean dregs, workers do not need to stir substances in the reaction tank for a long time, the labor amount of the workers is reduced, the physical consumption of the workers is reduced, meanwhile a large amount of flocculating agent does not need to be added, the chemical dosage is saved, and the cost is saved. different from a traditional bean product sewage treatment mode, the process has the advantages that bean dregs are separated from sewage, the bean dregs and the sewage are treated, the bean dregs are fermented, decomposed, sterilized and dried, and the bean dregs are treated to the maximum extent.

Description

technical field [0001] The invention relates to the technical field of bean product production, in particular to a sewage treatment process in the bean product production process. Background technique [0002] As people's life is getting better and better, people are more and more particular about the pursuit of food, and they are paying more and more attention to its nutritional value. Among them, soy products are not only nutritious but also eaten in a variety of ways. They are also very delicious, and are deeply loved by people. , so the market for soy products is becoming more and more vigorous, and more and more new products using beans as raw materials have been developed, but certain pollution problems will occur when making soy products, especially because soy products are rich in protein and starch, and their discharge The sewage is decomposed by microorganisms in the air, which is very easy to produce stench and even produce many toxic substances that endanger the ...

Claims

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Application Information

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IPC IPC(8): C02F9/10C02F103/32
CPCC02F9/00C02F2103/32C02F1/04C02F1/001C02F1/5236C02F1/56C02F2301/08C02F1/66C02F1/32C02F2303/04
Inventor 王时元
Owner CHONGQING HEDELONG FOOD