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Recycling treatment system for slaughtering wastewater

A slaughter wastewater and treatment system technology, which is applied in the field of slaughter wastewater resource treatment system, can solve the problems that affect the wastewater treatment effect, cannot remove ammonia nitrogen, and have no wastewater utilization, so as to prevent the infection of bacteria, reduce the processing load, and save water resources Effect

Inactive Publication Date: 2015-05-06
李仁成
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing slaughter wastewater treatment method mainly adopts anaerobic plus aerobic treatment process. This treatment method can effectively remove the organic matter in the slaughter wastewater, but it cannot effectively remove the ammonia nitrogen in the wastewater, which affects the quality of the wastewater. Treatment effect; the existing slaughtering wastewater treatment process generally only treats the wastewater and discharges it, and does not make reasonable use of the treated wastewater

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The present invention is implemented in a slaughterhouse where 100,000 live pigs are slaughtered annually. According to the combined process route of the present invention, a coarse grid, a sewage conditioning tank, a fine grid, an air flotation tank, and an up-flow facultative anoxic sludge bed reaction are constructed respectively. After the slaughtering wastewater is generated from the slaughtering washing unit, it passes through the above-mentioned treatment structures in turn, and then is reused in the slaughtering washing unit to form a loop. This embodiment also includes a sludge pipeline. The anaerobic tank, the air flotation tank and the filter unit are provided with a sludge pipeline. The sludge pipeline is connected to the sludge tank, and the sludge tank is connected to the sludge through the pipeline. The filter press is connected.

[0026] In this example, the slaughterhouse wastewater, the daily wastewater treatment volume is 160 m 3 .

[0027] The tre...

Embodiment 2

[0038] The present invention is implemented in a slaughterhouse where 100,000 live pigs are slaughtered annually. According to the combined process route of the present invention, a coarse grid, a sewage conditioning tank, a fine grid, an air flotation tank, and an up-flow facultative anoxic sludge bed reaction are constructed respectively. After the slaughtering wastewater is generated from the slaughtering washing unit, it passes through the above-mentioned treatment structures in turn, and then is reused in the slaughtering washing unit to form a loop. This embodiment also includes a sludge pipeline. The anaerobic tank, the air flotation tank and the filter unit are provided with a sludge pipeline. The sludge pipeline is connected to the sludge tank, and the sludge tank is connected to the sludge through the pipeline. The filter press is connected.

[0039] In this example, the slaughterhouse wastewater, the daily wastewater treatment volume is 170 m 3 .

[0040] The tre...

Embodiment 3

[0051] The present invention is implemented in a slaughterhouse where 100,000 live pigs are slaughtered annually. According to the combined process route of the present invention, a coarse grid, a sewage conditioning tank, a fine grid, an air flotation tank, and an up-flow facultative anoxic sludge bed reaction are constructed respectively. After the slaughtering wastewater is generated from the slaughtering washing unit, it passes through the above-mentioned treatment structures in turn, and then is reused in the slaughtering washing unit to form a loop. This embodiment also includes a sludge pipeline. The anaerobic tank, the air flotation tank and the filter unit are provided with a sludge pipeline. The sludge pipeline is connected to the sludge tank, and the sludge tank is connected to the sludge through the pipeline. The filter press is connected.

[0052] In this example, the slaughterhouse wastewater, the daily wastewater treatment volume is 180 m 3 .

[0053] The tre...

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PUM

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Abstract

The invention discloses a recycling treatment system for slaughtering wastewater. The recycling treatment system comprises a slaughtering and flushing unit, a pre-treatment unit and an anaerobic tank which are connected in sequence, wherein slaughtering wastewater raw water produced by the slaughtering and flushing unit is pre-treated and then enters into the anaerobic tank, enters into an electrochemical treatment tank to perform ammonia nitrogen removal treatment after being subjected to the anaerobic treatment in the anaerobic tank, and passes through a filter unit, a deodorization unit and a sterilization unit respectively to obtain recycled wastewater; the recycled wastewater is correspondingly connected with the slaughtering and flushing unit through a pipeline; and the recycled wastewater can be fed into the slaughtering and flushing unit for being reutilized. After the recycling treatment system for slaughtering wastewater disclosed by the invention performs anaerobic-aerobic treatment on the slaughtering wastewater and then performs the electrochemical treatment, so that the ammonia nitrogen in the wastewater is effectively removed and the water quality of the outlet water is improved; and after being treated, the slaughtering wastewater is returned to the flushing unit for being recycled, so that the water resources are saved and the production cost of the enterprises is reduced.

Description

technical field [0001] The invention relates to a waste water treatment system, in particular to a resource treatment system for slaughtering waste water. Background technique [0002] The slaughtering industry is one of the pillar industries that earn foreign exchange through exports and guarantee supply. The slaughtering wastewater comes from the slaughtering and processing of livestock, poultry and fish, which is one of the largest sources of organic pollution in my country. In the process of slaughtering and meat processing, it is necessary to consume a lot of water, and at the same time, waste water containing pollutants such as blood, grease, hair, meat scraps, livestock and poultry viscera, undigested food and feces must be excluded. Such wastewater also contains a large number of microorganisms that are harmful to human health. The slaughtering wastewater comes from pen washing, leaching, slaughtering and other plant floor washing, scalding, dissection, non-staple...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14
CPCC02F1/24C02F1/32C02F1/46C02F1/5236C02F1/5272C02F1/56C02F1/66C02F3/2846C02F9/00C02F2103/22C02F2301/08C02F2303/02C02F2303/04
Inventor 刘平
Owner 李仁成