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Device and method for preparing methane from solid organic waste

A technology of organic waste and biogas, applied in the direction of biological material sampling method, biochemical cleaning device, biochemical equipment and method, etc., can solve problems that have not been discovered, and achieve the goal of improving production efficiency, reducing costs, and uniform temperature distribution Effect

Inactive Publication Date: 2017-03-15
熊汉夫 +1
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  • Application Information

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Problems solved by technology

People have carried out some beneficial explorations, but have not yet found a technical means to effectively solve this problem

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  • Device and method for preparing methane from solid organic waste

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Embodiment Construction

[0030] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0031] Such as figure 1 Shown, the present invention comprises airtight fermentation tank body 1, and fermentation tank body 1 is a vertical rectangular parallelepiped structure, and the top of fermentation tank body 1 is provided with water pressure box 3, enters homogenate material pipe 2, air storage chamber 4 and throws bacteria Feeding port 8; in the biological fermentation stage, when the pressure value indicated by the biogas pressure gauge on the water pressure tank 3 is greater than or equal to 2 MPa, it indicates that the inside of the gas storage chamber 4 is full of biogas. The gas storage chamber 4 is located at the center of the top of the fermentation tank 1, the bottom of the gas storage chamber 4 communicates with the interior of the fermentation tank 1, a through hole is provided in the center of the top of the gas storage cha...

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Abstract

The invention discloses a device for preparing methane from solid organic waste. The device is characterized by comprising a closed fermentation tank body, wherein the top of the fermentation tank body is provided with a water pressure box, a homogenized slurry feeding pipe, a gas storage chamber and a bacterium throwing charging port; a through hole is formed in the center of the top of the gas storage chamber, methane guide pipes are arranged on two sides of the through hole respectively, and a sealing pipe passes through the through hole to be arranged in the fermentation tank body; a centrally spiral power shaft extends into the top of the sealing pipe, passes through a discharge hole formed in the center of the bottom of the fermentation tank body, and is connected with a discharge screw device on the outer side of the fermentation tank body; a slurry pumping and returning device is arranged on one side of the fermentation tank body, and heating radiators are arranged on the side wall of the periphery inside the fermentation tank body; and a slag receiving device is arranged below the discharge screw device. Besides, the invention discloses a method for preparing methane from the solid organic waste. The device is reasonable in design, firm in structure and high in reliability, and heavy metals in the solid organic waste can be effectively removed; and moreover, the device has the advantages of being high in methane production efficiency and convenient in methane collection, and is applicable to popularization and application.

Description

technical field [0001] The invention relates to the technical field of biogas preparation, in particular to a device and method for producing biogas from solid organic waste. Background technique [0002] With the improvement of national material and cultural living standards, the output and composition of urban waste are rapidly increasing and changing. At present, my country produces 114 million tons of garbage every year. Urban garbage causes water, soil, and air pollution and the spread of diseases. It has become a social problem that pollutes the environment and plagues human beings. [0003] The treatment of solid organic waste is an important issue facing the current social and environmental protection. The treatment methods of solid organic waste are incineration, deep burial and fermentation to prepare biogas. [0004] Incineration produces harmful gases and dust, and some organic matter can be recycled as fertilizer and wasted. [0005] Deep buried, long process...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/107C12M1/02
CPCC12M21/04C12M23/36C12M23/48C12M27/00C12M27/02C12M29/18C12M33/16C12M41/24Y02E50/30
Inventor 熊汉夫莫大锐
Owner 熊汉夫
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