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A bubbling methane cracking reaction device heated by high temperature particles

A technology of bubble reactor and cracking reaction, which is applied in the direction of nano-carbon, inorganic chemistry, chemical instruments and methods, etc. It can solve the problems of heat-carrying fluid blockage, system failure, and danger, so as to reduce the possibility, Improve system stability and security performance, improve the effect of system stability and security

Active Publication Date: 2020-10-02
CHINA UNIV OF MINING & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Because the temperature is higher than the ambient temperature, it is easy to cause the blockage accident of the heat transfer fluid in the pipeline, which will cause the system to fail to operate normally and even cause danger.

Method used

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  • A bubbling methane cracking reaction device heated by high temperature particles
  • A bubbling methane cracking reaction device heated by high temperature particles
  • A bubbling methane cracking reaction device heated by high temperature particles

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Embodiment Construction

[0030] The present invention will be further described in detail below in conjunction with specific embodiments, which are explanations of the present invention rather than limitations.

[0031] see figure 1 A bubbling methane cracking reaction device heated by high-temperature particles, the device of the invention may include the following processes during use: (1) heat-carrying fluid filling process; (2) air exhaust process; (3) normal operation process; (4) carbon extraction process and (5) bubble reactor unit maintenance process.

[0032] (1) Heat transfer fluid filling process. That is, before the device is used for the first time, it is necessary to fill the heat-carrying fluid into the bubble reactor unit 7 in the device of the invention. The heat-carrying fluid is stored in the bubble reactor unit 7 (see the specific structure image 3 ), the area between the inner layer 20 and the outer layer 22 is filled with a cold heat-carrying fluid through the filler port 21;...

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Abstract

The invention discloses a bubbling type methane decomposition reaction device for high-temperature particle heating. The device is mainly applied to an ultra-high temperature condensation solar system. A plurality of special bubbling type direct methane decomposition reactor units are arranged in a main body part (a heat-carrying particle heat release tank) of the device; high-temperature heat-carrying particles downwards flow through the reactor units from the top of the heat release tank and transfer heat to heat-carrying fluid in the reactor units; methane bubbles are decomposed to producehydrogen and carbon nano-particles in the heat-carrying fluid; the carbon nano-particles and reactive gases are separated in the reactor units and extracted by an induced draft fan; and after discharged from the reactor units, the reacted mixed gases (the hydrogen and unreacted methane gas) are cooled to be fed into the next-stage reactor units to be continuously reacted or fed out of the device to enter a hydrogen separation system. According to the device disclosed by the invention, the heat-carrying fluid does not need to be fed out of the device to be heated, and safe and stable operationsof the system are ensured; and due to the modular design of the reactor units, the zoom design of the device is conveniently realized.

Description

technical field [0001] The invention belongs to the technical field of methane hydrogen production and concentrated solar energy utilization, and in particular relates to a bubbling methane cracking reaction device heated by high-temperature particles. Background technique [0002] Energy is an important supporting factor for the survival and development of human beings, and ensuring the source of energy is one of the major basic strategies of all countries in the world. At the same time, the adverse impact on the environment caused by the use of conventional energy sources (such as oil and coal) cannot be ignored. Therefore, sustainable, clean and low-carbon energy is an inevitable development trend in the future. [0003] Hydrogen energy is a promising and important environmentally friendly energy source, which has the characteristics of high energy density and low impact on the environment (because its combustion product is water). But currently 96% of hydrogen comes fr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C01B3/24C01B32/15
CPCC01B3/24C01B2203/0272
Inventor 郑章靖徐阳
Owner CHINA UNIV OF MINING & TECH
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