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Method for filtering and treating wastewater from livestock and poultry slaughter houses

A treatment method and technology for wastewater treatment, applied in the field of wastewater treatment in livestock and poultry slaughterhouses, can solve the problems of complex treatment procedures, large amount of drugs added, and high treatment costs, and achieve the effects of simple process, excellent efficacy and strong adsorption performance.

Inactive Publication Date: 2018-09-25
新沂众客食品有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the above traditional treatment methods are common wastewater treatment methods. Wastewater from livestock and poultry slaughterhouses contains hair, debris, oil lumps, and some suspended solids. These substances make the wastewater treatment process complicated due to the variety of them. , large amount of drug addition, high processing costs, etc.

Method used

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  • Method for filtering and treating wastewater from livestock and poultry slaughter houses

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Effect test

Embodiment 1

[0023] Embodiment 1 and embodiment 2 were all carried out a small test at the front end of the small waste water treatment pool at the waste water treatment field of Xuzhou Xinyi Zhongke Food Co., Ltd.

[0024] Example 1

[0025] Such as figure 1 , a method for filtering and treating wastewater from livestock and poultry slaughterhouses, which is arranged before the biological or chemical treatment stage of existing wastewater treatment plants from livestock and poultry slaughterhouses, comprising the following steps:

[0026] (1) After the waste water treatment pool, install a block 1, the material of block 1 is plastic, the diameter of the mesh of block 1 is determined according to the solid waste composition of livestock and poultry slaughterhouse wastewater, the range is 0.5-5mm, and the rear end of the block is set in sequence The first filter gate 2, the second filter gate 3, the front ends of the first filter gate 2 and the second filter gate 3 are respectively provide...

Embodiment 2

[0035] Such as figure 1 , a method for filtering and treating wastewater from livestock and poultry slaughterhouses, which is arranged before the biological or chemical treatment stage of existing wastewater treatment plants from livestock and poultry slaughterhouses, comprising the following steps:

[0036] (2) After the waste water treatment pool, install a block 1, the material of block 1 is plastic, the diameter of the mesh of block 1 is determined according to the solid waste composition of livestock and poultry slaughterhouse wastewater, the range is 0.5-5mm, and the rear end of the block is set in sequence The first filter gate 2, the second filter gate 3, the front ends of the first filter gate 2 and the second filter gate 3 are respectively provided with a first gate 20, a second gate 30, the first filter gate 2, There is a gap section 4 between the second filter gates 3; the first rice powder material layer 5 and the second rice powder material layer 6 are respective...

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Abstract

The invention discloses a method for filtering and treating wastewater from livestock and poultry slaughter houses. The method is implemented before biological or chemical treatment phases of existingdevices for treating the wastewater from the livestock and poultry slaughter houses. The method includes steps of (1), setting blocking nets, first filter gates and second filter gates and setting first gates and second gates; (2), opening wastewater channels, allowing the wastewater to sequentially flow through the blocking nets, the first filter gates and the second filter gates and removing large solid particles; (3), adjusting parameters and observing wastewater flow conditions of rear sections of the second filter gates; (4), delivering the wastewater to biological or chemical treatmentworking sections and treating the wastewater in the biological or chemical treatment working sections; (5), replacing and reusing first paddy rice powder layers and second paddy rice powder layers. The first filter gates and the second filter gates which are set at the step (1) are filled with the first paddy rice powder layers and the second paddy rice powder layers. The method has the advantagesthat waste such as broken skin pieces and oil pieces which are subjected to tertiary filtering and are intercepted by the blocking nets can be used as feed for breeding farms, each first paddy rice powder layer and each second paddy rice powder layer can be detached, microbial fermentation treatment can be carried out on the first paddy rice powder layers and the second paddy rice powder layers,and the first paddy rice powder layers and the second paddy rice powder layers can be used for breeding or organic fertilizer production according to actual requirements.

Description

technical field [0001] The invention relates to a technology for treating waste water in slaughterhouses of livestock and poultry, in particular to a method for filtering and treating waste water in slaughterhouses of livestock and poultry. Background technique [0002] Usually, the wastewater discharged from the livestock slaughterhouse first passes through two thick and thin grids. The thick grid is set at the water inlet to remove large floating objects in the wastewater, and the fine grid is set behind the lifting pump room to intercept The broken hair and some suspended matter in the waste water are lifted by the lift pump into the advection oil separation sedimentation tank. On the one hand, the floating grease and oil lumps can be removed, and on the other hand, most of them can be insoluble in water and have a density greater than Impurities in the water settle out. The effluent from the sedimentation tank flows into the aeration regulating tank by itself to remove ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/02C05F11/00C02F103/22
CPCC02F1/001C02F1/283C02F2103/22C05F11/00
Inventor 杨海明
Owner 新沂众客食品有限公司
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