Method for treating village domestic sewage through power generation of non-point source pollution purified water in hilly region

A non-point source pollution and domestic sewage technology, applied in the direction of water/sewage multi-stage treatment, biological water/sewage treatment, water/sludge/sewage treatment, etc., can solve problems such as difficult sewage treatment, and solve difficult power supply problems Effect

Inactive Publication Date: 2022-04-29
HUNAN AIRBLUER ENVIRONMENTAL PROTECTION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method solves the problem of difficult sewage treatment in hilly areas, prevents and controls soil erosion and strengthens terminal treatment, and at the same time purifies water to realize resource utilization

Method used

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  • Method for treating village domestic sewage through power generation of non-point source pollution purified water in hilly region
  • Method for treating village domestic sewage through power generation of non-point source pollution purified water in hilly region
  • Method for treating village domestic sewage through power generation of non-point source pollution purified water in hilly region

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] A method for generating electricity and treating village domestic sewage by using purified water from non-point source pollution in hilly areas, including constructing a non-point source pollution purification subsystem in hilly areas, a power generation sub-system, and a rural domestic sewage treatment sub-system for village residents at the foot of the mountain;

[0051] The non-point source pollution purification subsystem in the hilly area includes ecological catchment ditches 1, ecological ponds 2, dams 3, ecological sedimentation ponds 5, flood discharge pipes 6, ecological clean reservoirs 7, and clear water ponds 8 connected in sequence;

[0052] The power generation sub-system includes a hydro-generator unit workshop 19 and an electrical control device 19-6. The interior of the hydro-generator unit workshop 19 is provided with a water turbine 19-1, and the water turbine 19-1 is respectively connected to a water-turbine water guide control Mechanism 19-2, turbine...

Embodiment 2

[0076] The implementation method of the non-point source pollution purification subsystem in the hilly area:

[0077] Farmland runoff in the hilly area is first discharged into the ecological catchment ditch 1. The first function of the ecological catchment ditch is to effectively intercept the suspended matter in the farmland drainage; the second is to use the aquatic plants at the bottom of the ditch to initially intercept nitrogen and phosphorus .

[0078] The water from the ecological water collection ditch 1 enters the ecological pond 2. The ecological pond 2 is a facultative pond with a water depth of 2m. It has a certain adaptability to the water volume and water quality load. The flexible submerged plants Foxtail algae and The ecological floating bed set on the water surface can effectively remove some refractory organic pollutants, such as lignin, pesticide residues, and plant nutrients such as nitrogen and phosphorus.

[0079] The ecological pond 2 effluent enters t...

Embodiment approach

[0086] The sewage from the domestic sewage treatment system of the village residents at the foot of the mountain first enters the primary sedimentation regulating tank 9 through the inlet pipe 9-1 installed on the front wall of the primary sedimentation regulating tank 9, and the basket grille 9-2 installed in the front space removes large solid debris After entering the primary sedimentation adjustment tank 9, with the primary sedimentation suspended solids and water quality, the water volume is adjusted and enters the anaerobic pool 10 through the hole that is arranged on the upper part of the rear end of the primary sedimentation adjustment tank.

[0087] The sewage entering the anaerobic tank 10 is mixed with the return sludge returned to the anaerobic tank from the sludge return pipe 10-2 connected to the outlet pipe of the sludge discharge pump 14-2 installed at the bottom of the sedimentation tank. Next, part of the easily biodegradable macromolecular organic matter is c...

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Abstract

The invention provides a method for treating village domestic sewage through power generation by utilizing non-point source pollution purified water in a hilly area. The method comprises the step of constructing a non-point source pollution purification subsystem in the hilly area, a power generation subsystem and a rural domestic sewage treatment subsystem for village residents at the foot of a mountain. According to the method, the hill area non-point source pollution sewage is collected and purified from a high place by utilizing the terrain height difference of a hill, and the purified water generates power in a power generation system and then supplies power to a rural domestic sewage treatment subsystem of village residents at the foot of the hill, so that the hill area non-point source pollution purified water can be subjected to resource utilization; and the electric energy required by the rural domestic sewage treatment device for village residents at the foot of the remote mountainous area can be self-supported.

Description

technical field [0001] The invention originates from the field of comprehensive prevention and control of agricultural non-point source pollution in hilly and mountainous areas, and further refers to a method for using purified water from non-point source pollution in hilly areas to generate electricity and treat domestic sewage in villages. Background technique [0002] Agricultural non-point source pollution includes runoff from rural irrigation water, farmland tail water, surface runoff and other pollution sources. Agricultural non-point source pollution refers to the collection of nitrogen and phosphorus nutrients, pesticides or other organic or inorganic pollutants, dissolved or solid pollutants, from unspecified locations through the runoff process under the action of rainfall flushing during agricultural production activities. into water bodies and cause eutrophication or other forms of pollution in receiving water bodies. [0003] Hilly and mountainous areas, with u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F3/30C02F3/32F03B13/00
CPCC02F9/00C02F3/32C02F3/301C02F3/327C02F3/302F03B13/00F05B2220/706C02F2001/007C02F1/50C02F1/001C02F2301/043
Inventor 曾睿杨攀颜柱
Owner HUNAN AIRBLUER ENVIRONMENTAL PROTECTION TECH
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