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Slaughter wastewater treatment method and system

A technology of slaughter wastewater and treatment methods, which is applied in animal processing wastewater treatment, multi-stage water treatment, water/sewage treatment, etc., and can solve the problems of low treatment cost and low energy consumption in operation

Pending Publication Date: 2020-10-30
浙江省环境工程有限公司
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  • Abstract
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  • Application Information

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Problems solved by technology

[0021] In order to solve the above-mentioned technical problems existing in the existing slaughter wastewater treatment, the present invention provides a slaughter wastewater treatment method and system with low treatment cost, low operating energy consumption, high treatment efficiency, and easy to meet discharge standards

Method used

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  • Slaughter wastewater treatment method and system
  • Slaughter wastewater treatment method and system

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Embodiment Construction

[0053] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, but not as a basis for limiting the present invention.

[0054] Such as figure 1The slaughter wastewater treatment system shown includes a first-level slag removal tank 100, a second-level slag removal tank 200 is connected to the first-level slag removal tank through pipelines, and the pipeline between the second-level slag removal tank and the first-level slag removal tank is equipped with There are coarse grids 300, and the oil-separating grit chamber 400 is connected to the secondary slag tank through pipelines, and the drum fine grid 500 is installed in the pipeline between the oil-separating grit tank and the secondary slag tank. The grit chamber is connected with a regulating lifting tank 600 through a pipeline, and a first lifting pump 601 is provided on the pipeline between the regulating lifting tank and the oil separation grit chamber, and an ...

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Abstract

The invention relates to the technical field of slaughter wastewater and waste gas treatment. The invention particularly discloses a slaughter wastewater treatment method and system. The system comprises a primary slag salvaging pool, and the primary slag salvaging pool is connected with a secondary slag salvaging pool; a coarse screen is arranged between the secondary slag salvaging tank and theprimary slag salvaging tank; the secondary slag salvaging tank is connected with an oil separation grit chamber; a rotary drum fine grid is arranged between the oil separation grit chamber and the secondary slag salvaging tank; the oil separation grit chamber is connected with an adjusting lifting tank; a first lifting pump is arranged between the adjusting lifting tank and the oil separation gritchamber; the adjusting lifting tank is connected with an air floatation tank, the air floatation tank is connected with an anoxic tank, the anoxic tank is connected with an aerobic tank, the aerobictank is connected with a secondary sedimentation tank, the secondary sedimentation tank is connected with an aerobic fluidized bed tank, the aerobic fluidized bed tank is connected with a high-densitysedimentation tank, and the high-density sedimentation tank is connected with a sludge storage tank. The method and system have the characteristics of low treatment cost, low operation energy consumption, high treatment efficiency and easiness in reaching the emission standard.

Description

technical field [0001] The invention relates to the technical field of slaughter wastewater and waste gas treatment, in particular to a slaughter wastewater treatment method and system. Background technique [0002] Pig slaughtering plants mainly focus on pig slaughtering. A normal-scale slaughtering plant produces about 120 tons of wastewater per day, and can reach 300 tons during the peak period. That is, the maximum daily sewage treatment capacity of the facility needs to reach 300 tons per day. The main source of sewage in pig slaughtering plants is the slaughter wastewater generated during the slaughter process. According to the "Technical Specifications for Slaughter and Meat Processing Wastewater Treatment Engineering", the amount of slaughter wastewater produced per pig slaughtered is 0.50-0.70m 3 / head. [0003] The wastewater in the slaughtering process is mainly composed of high-concentration nitrogen-containing organic compounds, suspended and dissolved solids, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F11/122B01D53/78B01D53/52B01D53/58C02F101/30C02F103/22
CPCC02F9/00C02F11/122B01D53/78B01D53/52B01D53/58C02F1/001C02F1/24C02F1/5236C02F1/56C02F1/40C02F2001/007C02F1/50C02F3/30C02F2101/30C02F2103/22C02F2301/08C02F2301/043C02F2303/04C02F2303/02
Inventor 林媛媛俞阜东吴伟唐诤皓朱艳臣宋婷婷施佳瑾高文郑高桐
Owner 浙江省环境工程有限公司
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