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Lawn sewage irrigation system

A sewage irrigation and sewage technology, which is applied in watering devices, filtration circuits, applications, etc., can solve the problems of unfavorable utilization of nutrient resources in sewage and high cost of secondary effluent, and achieve the elimination of environmental safety hazards and public health risks. Sewage treatment pressure, good effect

Inactive Publication Date: 2004-09-08
CHINA AGRI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing lawn sewage irrigation system mostly uses the secondary effluent of the sewage treatment plant as the irrigation water source, and the irrigation method mostly adopts the sprinkler irrigation technology. The problems of this lawn sewage irrigation system are: (1) The cost of the secondary effluent is high
However, if the cost of reused pipes is included, the use of secondary outlet water is more expensive than tap water
(2) The secondary treatment of sewage removes most of the nutrients required by lawn grass, which is not conducive to the utilization of nutrient resources in sewage

Method used

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  • Lawn sewage irrigation system
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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0017] Such as figure 1 As shown, 1 is the grille, 2 is the sewage inlet pipe, 3 is the underground sand filter tank, 4 is the sand layer, 5 is the small stone layer with a diameter of 0.5cm, 6 is the large stone layer with a diameter of 2cm, and 7 is sand The connecting pipe between the filter tank and the sedimentation tank; 8 is the valve, 9 is the underground irrigation main pipe, 10 is the joint between the underground irrigation main pipe and the branch pipe, 11 is the control room, 12 is the pressure gauge, 13 is the flow meter, and 14 is the filter , 15 is a water pump, 16 is a sedimentation tank, 17 is a brick-concrete tank wall, 18 is a vertical water pipe, 19 is an outlet, and 20 is a partition located in the sedimentation tank 16, which divides the sedimentation tank 16 into two parts, that is, it is connected with the underground The water...

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Abstract

The present invention discloses one kind of sewage treating and sewage reusing lawn irrigation system. The technological scheme includes sewage intake pipe, underground sand filtering pond, deposition pond connected to the filtering pond and equipped with water pump and vertical water pipe, and connected underground irrigation pipe net. There is control room set over the deposition pond. The present invention is used for in-situ treatment and reuse of sewage, and can reduce the burden of the downstream sewage treating yard, save processing expense and make full use of the nutritious resource in sewage, and has the advantages of simple and reasonable structure, low use cost and high use effect.

Description

Technical field [0001] The invention relates to a lawn irrigation system for sewage treatment and sewage reuse. Background technique [0002] Lawns are an integral part of modern cities, and lawn greening water accounts for a large proportion of municipal water. According to relevant reports, about half of municipal water in the western United States is used to water outdoor lawns and other vegetation. In order to alleviate the increasingly prominent contradiction between urban water supply and demand and reduce the pollution of urban clean water by sewage discharge, the reuse of sewage for lawn irrigation is becoming an important way of urban sewage resource utilization. Most of the existing lawn sewage irrigation systems use the secondary effluent of the sewage treatment plant as the irrigation water source, and the irrigation method mostly adopts sprinkler irrigation technology. The problems of this lawn sewage irrigation system are: (1) The cost of the secondary effluent...

Claims

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Application Information

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IPC IPC(8): A01G25/06B01D36/04
Inventor 黄冠华杨建国黄权中
Owner CHINA AGRI UNIV
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