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Cultivation wastewater treatment system and method of large-scale pig farm

A breeding wastewater and treatment system technology, applied in animal husbandry wastewater treatment, water/sewage treatment, chemical instruments and methods, etc., can solve the problems of low degree of automation control, large floor area, low treatment efficiency, etc., and achieve the degree of automation High, small footprint, high processing efficiency

Active Publication Date: 2017-08-04
XIAMEN SHIDIFU ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the treatment technologies are physical filtration + anaerobic reaction tank + aerobic reaction tank + natural treatment system. The natural treatment system mostly uses artificial wetland, land treatment and stabilization pond technology. This treatment technology occupies a large area, has low treatment efficiency and is automatic. low degree of control

Method used

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  • Cultivation wastewater treatment system and method of large-scale pig farm
  • Cultivation wastewater treatment system and method of large-scale pig farm
  • Cultivation wastewater treatment system and method of large-scale pig farm

Examples

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Embodiment

[0033] Example: such as figure 2As shown, a large-scale pig farm breeding wastewater treatment system includes a sequentially connected pretreatment system, anaerobic treatment system, aerobic treatment system and advanced treatment system;

[0034] Such as figure 2 As shown, the pretreatment system includes a grid channel connected in sequence, a water collection sedimentation tank, a solid-liquid separator and a homogeneous hydrolysis tank, and the entrance of the water collection sedimentation tank is provided with a gate valve;

[0035] Such as figure 2 As shown, the anaerobic treatment system includes IC high-efficiency anaerobic reactor or ACS high-efficiency anaerobic reactor, desulfurization aeration tank, anaerobic sedimentation tank, heat exchanger, biogas collection and disposal system and sludge disposal system, all The water inlet of the IC high-efficiency anaerobic reactor or the ACS high-efficiency anaerobic reactor is connected to the water outlet of the d...

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Abstract

The invention discloses a cultivation wastewater treatment system and a method of a large-scale pig farm, which mainly solves the problems of large floor area, low treatment efficiency and a low automation control degree in the prior art. The cultivation wastewater treatment system of the large-scale pig farm comprises a pretreatment system, an anaerobic treatment system, an aerobic treatment system and a deep treatment system that are sequentially connected, wherein the deep treatment system comprises an MBR (membrane bioreactor) reaction tank, an electrooxidation decoloration device and a clean water tank that are sequentially connected. The cultivation wastewater treatment method of the large-scale pig farm comprises the following steps of allowing wastewater of the pig farm to enter the pretreatment system, the anaerobic treatment system, the aerobic treatment system and then the deep treatment system, discharging treated sewage reaching standards, and recycling feces, methane and sludge generated in a treatment process.

Description

technical field [0001] The invention belongs to the technical field of environmental protection, and in particular relates to a large-scale pig farm breeding wastewater treatment system and method. Background technique [0002] In recent years, with the rapid development of the national economy, my country's animal husbandry industry has also gradually grown, and a large number of intensive and large-scale farms have been built one after another, which has also brought about relatively concentrated environmental pollution problems. Methane, hydrogen sulfide, ammonia and other malodorous gases in the air of pig farms pollute the surrounding and downwind air. A large number of liquid metabolites, pig house flushing wastewater and some scattered pig feed make the pig farm wastewater polluted seriously. Studies have shown that the CODcr in large-scale pig farm wastewater is as high as 4000-20000mg / L, the BOD is as high as 1500-6000mg / L, the concentration of ammonia nitrogen is 4...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F103/20
CPCC02F9/00C02F1/4672C02F1/5236C02F1/001C02F2001/007C02F2103/20C02F3/1268C02F3/30Y02E50/30
Inventor 黄恺黄凌波
Owner XIAMEN SHIDIFU ENVIRONMENTAL PROTECTION TECH CO LTD
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