Organic waste treatment system and treatment method thereof

A technology for organic waste and treatment pools, applied in biochemical equipment and methods, fertilizers made from biological waste, organic fertilizers, etc., can solve the problems of slow reaction speed of reactors, high investment costs, large projects, etc., and achieve improvement The effect of system gas production rate, efficiency improvement and treatment efficiency improvement

Inactive Publication Date: 2012-11-28
INST OF AGRI RESOURCES & ENVIRONMENT SHANDONG ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is mainly used to treat farm manure, but these reactors have slow reaction speed, large project, high investment cost, difficulty in feeding and discharging materials,

Method used

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  • Organic waste treatment system and treatment method thereof
  • Organic waste treatment system and treatment method thereof
  • Organic waste treatment system and treatment method thereof

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0044] Example 1,

[0045] Using the organic waste processing system of the present invention to process domestic organic waste in Xianggao Village, Zhangqiu City, Shandong Province:

[0046] The village can collect an average of 0.7 tons of domestic organic waste every day. The main components of the waste are food waste and paper waste. At the same time, there is a small pig farm near the village, which can produce 0.2 tons of solid waste every day, totaling 1 ton of raw materials.

[0047] The above-mentioned system for treating organic waste includes an arc-shaped treatment tank 2 and a material cage 1. The arc-shaped treatment tank 2 includes an inlet aerobic zone 2-1, an anaerobic zone 2-2, and an outlet aerobic zone 2-3 The anaerobic zone 2-2 is located at the bottom of the arc-shaped treatment tank 2, and the inlet aerobic zone 2-1 and the outlet aerobic zone 2-3 are symmetrically arranged on both sides of the anaerobic zone 2-2. The anaerobic zone 2-2 is connected; on the t...

Example Embodiment

[0060] Example 2,

[0061] A method for processing organic waste using the system as described in Example 1, including the following steps:

[0062] (1) Pack the organic waste into the material cage;

[0063] (2) Place the material cages along the track in the entrance aerobic zone;

[0064] (3) Inject water into the arc-shaped reaction tank, and all the injected water does not pass the anaerobic zone;

[0065] (4) Keep the material cage in the entrance aerobic zone for 2 days and then slide along the track into the anaerobic zone for 21 days;

[0066] (5) Push the material cages into the exit good breeding area and stay for 2 days; follow steps (1)-(2) to add new material cages, and pour water into the arc-shaped treatment tank at any time to maintain the arc-shaped treatment The water in the pool has not passed the anaerobic zone;

[0067] (6) The biogas generated in step (4) flows back to the bottom of the arc-shaped treatment tank along the gas duct and gas pressurizing pump, and the...

Example Embodiment

[0074] Example 3.

[0075] Using the organic waste processing system of the present invention to treat the litter manure of Shandong Qingyun Duck Farm:

[0076] The duck farm produces an average of 9 cubic meters of waste per day. The main components of the farm waste are rice husk, sawdust and duck manure, with a moisture content of 35%.

[0077] The system for treating organic waste as described in embodiment 1, the difference is that the arch height of the arched roof is 3 / 4 of the width of the anaerobic zone.

[0078] The gas booster pump adopts a 100w biogas booster pump produced by Hebei Longfeiteng Biogas Equipment Co., Ltd., with an output pressure of 80 kpa.

[0079] The through holes with a diameter of 2cm are evenly distributed on the wall of the stainless steel box, the distance between adjacent through holes is 3cm, and the inner side of the stainless steel box wall is provided with a mesh of 10 Target mesh, the diameter of the mesh is 0.5 mm.

[0080] The gas return manifo...

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Abstract

The invention relates to an organic waste treatment system, which comprises an arc treatment pool and material net cages. The arc treatment pool includes an inlet aerobic zone, an anaerobic zone and an outlet aerobic zone. The anaerobic zone is located at the bottom of the arc treatment pool. The inlet aerobic zone and the outlet aerobic zone that are communicated with the anaerobic zone are respectively and symmetrically arranged on both sides of the anaerobic zone. An arched top equipped with a gas guide tube is disposed at a position corresponding to the anaerobic zone at the top of the arc treatment pool. A track running through the inlet aerobic zone, the anaerobic zone and the outlet aerobic zone is disposed at the bottom of the arc treatment pool. According to the invention, a material is subjected to hydrolytic acidification in the inlet zone, and is then brought into the anaerobic zone for fermentation to obtain biogas. At the same time, in the anaerobic zone, the biogas is subjected to pressurization and refluxing stirring, so that fermentation blind zones can be reduced, the biogas generation rate is improved, the variety and characteristic of a fermentation raw material are no longer confined, and the operation and construction costs are reduced at the same time.

Description

technical field [0001] The invention relates to a system and a treatment method for treating organic waste, belonging to the technical field of organic waste treatment. Background technique [0002] In recent years, with the rapid development of our country's economy and the continuous improvement of people's living standards, on the one hand, the organic waste generated by human production and life has also continued to increase. The organic waste cannot be properly treated and fermented naturally, which seriously pollutes the environment. The living environment of rural residents. On the other hand, the degree of intensification of the rural breeding industry is increasing. Since most farms are not equipped with farm manure resource utilization facilities, a large amount of solid waste and organic wastewater generated by farms has become a problem in some areas, especially One of the main sources of pollution in rural areas and urban suburbs. Rural organic waste and farm ...

Claims

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Application Information

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IPC IPC(8): C12M1/107C12P5/02C05F5/00
CPCC12M23/52C12M23/34Y02E50/343C12M23/02C12M21/04C12M23/04C12M23/18Y02E50/30Y02W30/40
Inventor 袁长波徐延熙王艳芹姚利边文范曹德宾刘英
Owner INST OF AGRI RESOURCES & ENVIRONMENT SHANDONG ACADEMY OF AGRI SCI
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