Three-effect fused rural ecological sewage treatment system and three-effect fused rural ecological sewage treatment method

A sewage treatment system and sludge treatment technology, applied in the direction of biological water/sewage treatment, water/sewage treatment, water/sewage treatment equipment, etc., can solve the problems of agricultural ecological environment and water pollution, high per capita treatment costs, etc., to achieve High degree of automation, full automatic control, and the effect of meeting emission requirements

Pending Publication Date: 2019-07-12
山西绿洁环保有限公司
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Problems solved by technology

[0002] With the improvement of rural living standards and the improvement of the living environment, the discharge of domestic wastewater from rural residents is increasing, which has caused increasingly serious pollution to the agricultural ecological environment and water bodies. Due to the scattered living in rural areas, it is impossible to

Method used

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  • Three-effect fused rural ecological sewage treatment system and three-effect fused rural ecological sewage treatment method
  • Three-effect fused rural ecological sewage treatment system and three-effect fused rural ecological sewage treatment method
  • Three-effect fused rural ecological sewage treatment system and three-effect fused rural ecological sewage treatment method

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Experimental program
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Embodiment

[0046] 1. A three-effect integrated rural ecological sewage treatment system, such as figure 1 As shown, it includes pretreatment unit 1, LJ-BL treatment unit 2, LJ-MB treatment unit 3, LJ-EL treatment unit 4 and sludge treatment unit 5;

[0047] In this example, the size of the LJ-BL treatment unit is 9m*6m*3m, and the whole is treated with carbon steel for anticorrosion;

[0048] The size of the LJ-MB treatment unit is 9*3*3m, and the membrane structure of the pollution-resistant and corrosion-resistant PVDF material is used inside;

[0049] LJ-EL processing unit 4 size 1000m 2 , the interior adopts an underground steel-concrete structure and a wetland system with porous wetland filler;

[0050]The pretreatment unit 1 includes a settling tank 11 and an acidification fermentation tank 12, the pipe network sewage enters the settlement tank from the entrance of the settlement tank 11, the outlet of the settlement tank is connected to the entrance of the acidification fermenta...

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Abstract

The invention discloses a three-effect fused rural ecological sewage treatment system and a three-effect fused rural ecological sewage treatment method. The system comprises a pre-treatment unit, a LJ-BL treatment unit, a LJ-MB treatment unit, a LJ-EL treatment unit and a sludge treatment unit. The pre-treatment unit removes suspended organic matters in household sewage by means of a precipitationand anaerobic fermentation principle, the BJ biochemical treatment unit degrades CODcr and BOD5 in the wastewater through an anaerobic pool and an aerobic tank, the MB treatment unit is used for treating sewage by combining efficient membrane separation with an activated sludge method, and the LJ-EL treatment unit further eliminates organic matters, heavy metals and nitrogen and phosphorus through an artificial wetland. The system has a good effluent effect, can meet afforestation and farm irrigation and can be directly reclaimed as the content of effluent suspended solids and turbidity are close to zero. Compared with a conventional treatment system, 40% of a land occupied area can be saved, and the landscape in a plant is good.

Description

technical field [0001] The invention relates to a three-effect integrated rural ecological sewage treatment system and treatment method, belonging to the technical field of sewage treatment. Background technique [0002] With the improvement of rural living standards and the improvement of the living environment, the discharge of domestic wastewater from rural residents is increasing, which has caused increasingly serious pollution to the agricultural ecological environment and water bodies. Due to the scattered living in rural areas, it is impossible to conduct centralized sewage treatment like cities. To treat rural sewage by traditional sewage treatment methods, one or several villages need to use a treatment system. The per capita treatment cost is so high that villages and farmers cannot afford it. Therefore, it is urgent to develop a sewage treatment system suitable for rural use. Contents of the invention [0003] The invention overcomes the shortcomings of the prio...

Claims

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Application Information

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IPC IPC(8): C02F9/14C02F101/16C02F101/22C02F101/30
CPCC02F9/00C02F2001/007C02F3/34C02F3/32C02F3/302C02F1/44C02F2101/16C02F2101/22C02F2101/30C02F2201/007
Inventor 李海龙孔令岩李伟王燕强
Owner 山西绿洁环保有限公司
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