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Method for cyclic utilization of soybean product processing waste water and energy-saving apparatus

A technology for processing wastewater and energy-saving equipment, which is applied in the fields of food industry wastewater treatment, chemical instruments and methods, water/sewage multi-stage treatment, etc. It can solve the problems of high cost, difficult application, high operating cost, etc., and achieves convenient material acquisition and low cost , the effect of protecting the environment

Inactive Publication Date: 2013-01-02
宋志娟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above-mentioned advanced technology and equipment are expensive and the operation cost is very high, so it is difficult for most soybean product enterprises to apply them in production

Method used

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  • Method for cyclic utilization of soybean product processing waste water and energy-saving apparatus
  • Method for cyclic utilization of soybean product processing waste water and energy-saving apparatus
  • Method for cyclic utilization of soybean product processing waste water and energy-saving apparatus

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Embodiment Construction

[0017] The general idea of ​​the present invention is to filter soybean product processing wastewater through medical stone, activated carbon, volcanic ash and quartz sand to obtain reusable clean water and dry matter contained in the wastewater. The following introduces two embodiments centering on this idea.

[0018] The first embodiment: as figure 1 The shown filter tank 1 has a height of more than 3 meters and an inner diameter of more than 1 meter. The upper end is provided with a water inlet 2, and the lower end is provided with a water outlet 7. Three filter layers 3 are arranged in the tank. A medical stone filter layer 4 is provided at 1 / 5 below the upper end of the tank, an activated carbon filter layer 5 is provided at 2 / 5 below the upper end of the tank, and a volcanic ash quartz sand mixed filter layer 6 is provided at the bottom of the tank. combine figure 2 image 3 It can be seen that there are frames 9, metal meshes 10 and a plurality of cotton yarn layers...

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Abstract

The invention relates to a method and apparatus, and particularly relates to a method for cyclic utilization of soybean product processing waste water and an energy-saving apparatus. The invention is characterized in that the apparatus is a filtering tank (1), wherein one end of the filtering tank (1) is provided with a water inlet (2), and the other end is provided with a water outlet (7); the water inlet (2) is connected with a water drain pipe of a soybean processing apparatus; the water outlet (7) is communicated with a water purifying pool through a water pipe; three detachable filtering layers (3) are arranged in the filtering tank (1); the upper end in the filtering tank (1) is provided with a medical stone filtering layer (4); the middle part of the filtering tank (1) is provided with an activated carbon filtering layer (5); and the bottom part of the filtering tank (1) is provided with a volcanic ash / quartz sand mixed filtering layer (6). The invention has the following beneficial effects: the waste water from the production of soybean products is purified and recycled, thereby achieving the advantages of water saving, energy saving, pollution reduction and environment protection; most of nutrition and health care substances contained in the waste water from the production of soybean products can be filtered out; and the filtering device is convenient in material selection and low in cost, and has remarkable economic benefits.

Description

technical field [0001] The invention relates to a soybean product production device, namely a soybean product processing wastewater recycling method and energy-saving equipment. Background technique [0002] Tofu, tofu skin, dried tofu, fermented bean curd, soybean oil, soybean paste, oil, soybean protein, soybean oligosaccharides, soybean isoflavones and other soybean products require a lot of water in the production process. Generally speaking, the amount of cleaning water in production is 10 to 20 times the weight of soybeans, and the total amount of soaking water and yellow pulp water used in soybean soaking, refining, coagulation, pressing, separation, sedimentation and other processes is 10 to 20 times the weight of soybeans. 5.5 to 7 times, of which the discharge of yellow pulp water is 4 to 5 times the amount of soybean feed, that is, about 0.4t of yellow pulp water is discharged per 100kg of soybeans processed, and 1.4 to 2.4t of wastewater per 100kg of soybean prod...

Claims

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Application Information

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IPC IPC(8): C02F9/02C02F1/28C02F103/32
Inventor 李浩宇宋志娟
Owner 宋志娟
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