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A decentralized rural domestic waste resource utilization device and its application

A domestic waste recycling technology, applied in the field of distributed rural domestic waste resource utilization devices, can solve the problems of difficult source classification of domestic waste and high cost of taking over domestic sewage, so as to reduce the risk of non-point source pollution and improve operation management and maintenance. The effect of low cost and short construction period

Active Publication Date: 2016-06-22
JIANGSU ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to provide an anaerobic method for reducing the amount of waste at the source and mixing organic domestic waste with domestic sewage in view of the characteristics of scattered distribution of rural residents and domestic waste, difficulties in classification of domestic waste sources, and high cost of taking over domestic sewage. Device and method for biogas production by fermentation and ecological purification of sewage

Method used

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  • A decentralized rural domestic waste resource utilization device and its application
  • A decentralized rural domestic waste resource utilization device and its application
  • A decentralized rural domestic waste resource utilization device and its application

Examples

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Embodiment 1

[0057] This embodiment consists of an organic waste hydrolysis tank, a sewage anaerobic fermentation tank, a sewage secondary treatment tank and a sewage advanced treatment tank. Among them, the effective volume of the organic waste hydrolysis tank is 1.5m 3 , the effective volume of the sewage anaerobic fermentation tank is 2m 3 , the effective volume of the sewage secondary treatment pool is 3m 3 (3m×1m×1m), the effective volume of advanced sewage treatment tank is 15m 3(5m×2m×1.5m), add domestic garbage and domestic sewage to the organic waste hydrolysis tank every day, the effluent of the organic waste hydrolysis tank enters the sewage anaerobic fermentation tank for anaerobic fermentation to produce biogas, and the effluent of the sewage anaerobic fermentation tank enters the sewage secondary The treatment tank is further treated, and the effluent from the secondary sewage treatment tank enters the advanced sewage treatment tank and is discharged after advanced treatment...

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Abstract

The invention discloses a distributed rural domestic waste recycling device and an application thereof. The device comprises a waste pretreatment system, a sewage anaerobic fermentation tank and a sewage secondary treatment tank, wherein the waste pretreatment system comprises a household garbage can, a stirring system, an organic garbage decomposition tank and an inorganic garbage storage tank. Compared with the prior art, the distributed rural domestic waste recycling device and the application thereof have the characteristics of wide adaptation to fermentation raw materials, less one-time investment, simplicity and convenience in operation, low operation and management cost, capability of recycling part of clean energy resources, and the like, so that the source reduction of the household garbage is realized, the household garbage reduction rate is over 40%, the collection and transportation cost of the household garbage is greatly lowered, the on-the-spot disposal and the reclamation of the domestic sewage are realized, too many pipelines are not needed to be laid, the needs of distributed rural domestic waste treatment, low investment and low maintenance cost are met, and the popularization and utilization value is very good.

Description

technical field [0001] The invention belongs to the field of resource recycling and environmental protection, and in particular relates to a distributed rural domestic waste recycling device and its application. Background technique [0002] In recent years, due to the rapid development of social economy and the improvement of people's living standards, the amount of domestic waste has increased accordingly, but the environmental protection awareness, living habits and supporting environmental protection facilities of rural residents have not followed up, and rural domestic sewage is directly discharged into Rivers and domestic garbage are directly discarded around the courtyard or nearby ditches. Domestic sewage and domestic garbage pollution from rural life has become an important source of rural non-point source pollution, and the rural ecological environment is gradually deteriorating. As governments at all levels pay more and more attention to environmental protection, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12M1/107C12M1/02C12P5/02C02F9/14
CPCC02F9/00C12M21/04C12M27/02C12P5/023Y02E50/30
Inventor 陈广银杜静常志州叶小梅张建英徐跃定
Owner JIANGSU ACAD OF AGRI SCI
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