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A kind of preparation technology of methane

A preparation process, methane technology, applied in the field of methane preparation process and system, to achieve the effect of reducing energy consumption, improving overall efficiency, and improving efficiency

Active Publication Date: 2017-04-12
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, there is currently no established process or equipment to realize the extraction of methane from hydrogen

Method used

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  • A kind of preparation technology of methane
  • A kind of preparation technology of methane
  • A kind of preparation technology of methane

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Embodiment Construction

[0030] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be noted that the gas content herein is the molar content unless otherwise specified.

[0031] figure 1 shows a process flow for the production of biomass methane, such as figure 1 As shown, the described preparation process includes an anaerobic fermentation tank 26, a bioreactor 23, a gasifier 13, a compressor, a membrane separator and a condenser, and the biogas produced by the anaerobic fermentation tank 26 enters the bioreactor In 23, the biogas entering the bioreactor 23 contains methane and carbon dioxide. As a preference, the most abundant ones are methane and carbon dioxide in sequence; The bioreactor 23, the synthesis gas entering the bioreactor 23 contains the most hydrogen and carbon dioxide in turn. In the bioreactor 23, the reaction of synthesizing methane is carried out: CO 2 +4H 2 -CH 4 +2H 2 O;

[0032] The ...

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Abstract

The invention provides a plate-fin heat exchanger used for mixed gas condensation and a methane manufacturing technology of the plate-fin heat exchanger. The plate-fin heat exchanger comprises sheets which are parallel. Fins are arranged between the sheets. Each fin comprises an inclined part inclined relative to the sheets. Protrusions are machined on the inclined parts in a punching manner, and therefore fluid on the two sides of the inclined parts is communicated through holes formed in the inclined parts in a punching manner. The protrusions extend outwards in the flowing direction of mixed gas from the inclined parts. According to the novel heat exchanger and the methane manufacturing technology, the requirement for condensation and purification of gas in the methane production process is met, and the heat exchange efficiency is greatly improved.

Description

technical field [0001] The invention belongs to the field of energy utilization, in particular to a heat exchanger and a methane preparation process and system including the heat exchanger, and belongs to the field of heat exchangers and their applications. Background technique [0002] With the rapid development of modern society and economy, the human demand for energy is increasing. However, the reserves of traditional energy such as coal, oil, and natural gas continue to decrease and become increasingly scarce, resulting in rising prices. At the same time, the environmental pollution caused by conventional fossil fuels is also becoming more and more serious. These greatly limit the development of society and the improvement of human life quality. . Biogas is a low-cost renewable energy, but in practice it is usually necessary to purify the biogas to produce methane to meet the relevant technical requirements for different uses (such as: as a vehicle fuel). Traditional ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C12M1/12C12M1/107F28D9/00F28B1/00
CPCC12M21/04C12M23/24F28B1/00F28D9/0031Y02E50/30
Inventor 李海龙孙锲崔峥陈岩
Owner SHANDONG UNIV
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