Biomass pyrolysis and cracking system

A biomass pyrolysis and cracking system technology, used in biofuels, non-catalytic thermal cracking, cracking and other directions, can solve the problems of high cost, high oxygen content, high viscosity, etc., to save construction cost and floor space, The effect of uniform temperature distribution and high utilization rate of raw materials

Active Publication Date: 2016-07-20
SHENWU TECH GRP CO LTD
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  • Abstract
  • Description
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Problems solved by technology

However, the components of bio-oil obtained by pyrolysis technology are extremely complex, and the disadvantages such as low pH value, high oxygen content, poor thermal stability, and high viscosity make bio-oil difficult to be directly used and stored.
In addition, the post-treatment process of bio-oil is complicated, the effect is not good, and the cost is high, making it difficult for industrial application

Method used

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  • Biomass pyrolysis and cracking system
  • Biomass pyrolysis and cracking system
  • Biomass pyrolysis and cracking system

Examples

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Embodiment example

[0068] Table 1: Basic data of pine wood chips

[0069]

[0070] Using this reaction system to process pine wood chips, the yield of gas products obtained is 68%, and the pyrolysis tar is almost completely cracked into gaseous products, with a high gas yield.

[0071] In the description of the present invention, it should be understood that the terms "first" and "second" are used for description purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features.

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Abstract

The invention belongs to the technical field of biomass pyrolysis and mainly provides a biomass pyrolysis and cracking system based on regenerative radiant tube heating. The system comprises the following parts: a pyrolysis hopper, a first feeding device, a pyrolysis and cracking reactor, a cracked gas cyclone separator, a spray tower and a gas tank, wherein the pyrolysis and cracking reactor comprises a feeding hole, a pyrolysis chamber, a cracking chamber, a cracked gas outlet, regenerative radiant tubes, a heat insulating brick wall and a communicating component. The system has the beneficial effects that the reaction system has a simple structure, is convenient to operate, is uniform in temperature distribution and has good heating effects; the oil gas generated in the pyrolysis chamber can undergo deep cracking in the cracking chamber to crack macromolecular tar molecules into micromolecular gaseous hydrocarbon; the reaction system can generate plenty of cracked gas products, thus avoiding the problem that the pyrolysis oil contains dust and truly achieving clean and efficient utilization of fossil fuel.

Description

technical field [0001] The invention belongs to the technical field of biomass pyrolysis, and mainly relates to a biomass pyrolysis and cracking system heated by a regenerative radiant tube to produce clean combustible gas. Background technique [0002] Biomass energy is the fourth largest resource on earth and also the renewable energy with the largest reserves. Biomass has the characteristics of wide distribution, abundant reserves, renewable and low pollution, and is one of the most potential alternative energy sources for fossil energy. At present, the energy utilization of biomass energy is mainly based on fermentation to produce fuel, biogas, gasification, rapid pyrolysis, and carbonization. Among them, the production of fuel and biogas by fermentation mainly uses herbal plants. The disadvantages of this technology, such as long production cycle and low yield, limit its development; gasification technology for gas production is mostly used in power generation and indu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C10B53/02C10G1/00C10G9/00
CPCC10B53/02C10G1/00C10G1/002C10G9/00C10G2300/1011C10G2400/26Y02E50/10
Inventor 耿层层陈水渺肖磊薛逊吴道洪
Owner SHENWU TECH GRP CO LTD
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