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Process for gradient treating organic wastes

An organic waste, cascade technology, applied in the field of cascade treatment of pig and/or cattle manure, which can solve problems such as power supply shortage

Inactive Publication Date: 2005-02-09
李益冉
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Moreover, the power supply is very tight

Method used

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  • Process for gradient treating organic wastes

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Embodiment Construction

[0027] The collected cow manure is pretreated to meet the needs of conventional anaerobic digestion to prepare biogas. The produced biogas is used for power generation, and the rest of the biogas digester is discharged into the sedimentation tank for sedimentation. The obtained liquid is biogas slurry, part of which is used For planting forage grass. The slag is biogas residue, which is used to plant mushrooms after drying with the help of solar dryers, and the leftovers after harvesting mushrooms are used to breed earthworms, and vermicompost is used to plant forage grass.

[0028] The method provided by the invention forms a benign ecological cycle, realizes the maximum comprehensive utilization of waste resources, and is the most economical and practical treatment method for solving livestock and poultry manure pollution.

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Abstract

The stepped pig and / or ox excrement treating process includes pre-treatment of the gathered excrement, conventional anaerobic digestion in marsh pool to prepare marsh gas, using marsh gas for generating electric power, precipitating dregs in the precipitation tank from the marsh pool, using marsh liquid from the precipitation tank in planting feed grass, drying the marsh dregs with solar energy for planting mushroom, raising earthworm with the leftover after gathering mushroom, and using earthworm excrement in planting feed grass. The present invention forms one positive circulation to realize the comprehensive utilization of wastes.

Description

technical field [0001] The invention relates to a method for cascade processing of organic waste, in particular to a method for cascade processing of pig and / or cow manure. Background technique [0002] People's living standards are always improving with the development of the poultry industry. In recent years, the large-scale breeding of the livestock industry has made great progress. Many cities have successively built dairy breeding bases with a scale of tens of thousands of cows, up to one million With the rapid development of the breeding industry, some new problems have also appeared in the first pig farm, and the main problem is the problem of manure disposal. There are generally three methods for the treatment of manure and sewage in large-scale aquaculture. Mainly through simple sedimentation and manual separation, the dry matter in the feces is naturally stacked and retting, and after fermentation, it is used as coarse manure and returned...

Claims

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Application Information

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IPC IPC(8): A01G1/04A23K50/90C02F11/04C05F3/00
CPCY02E50/343Y02A40/20Y02E50/30Y02P20/133Y02P60/12Y02W10/37Y02W30/40
Inventor 李益冉
Owner 李益冉
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