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Biomass slurry atomization thermal cracking process and device

A biomass and thermal cracking technology, which is applied in the petroleum industry and the preparation of liquid hydrocarbon mixtures, etc., can solve the problems of uneven and stable temperature field, uneven material mixing, high equipment investment costs, etc., and achieve stable temperature field and compact equipment structure , the effect of low investment cost

Inactive Publication Date: 2009-10-07
江苏东工环保科技股份有限公司
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Problems solved by technology

[0003] The purpose of the present invention is to provide a biomass slurry atomization pyrolysis process and device, so that low-grade biomass energy can be converted into high-grade liquid fuel, and the problem of uneven and stable temperature field in the prior art can be solved. Uneven mixing, high energy consumption, complex and large structure, and high equipment investment costs

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  • Biomass slurry atomization thermal cracking process and device
  • Biomass slurry atomization thermal cracking process and device
  • Biomass slurry atomization thermal cracking process and device

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Embodiment Construction

[0024] see figure 1 , the basic technological process of the present invention is:

[0025] (1) Stirring and mixing: the biomass powder and biomass oil are mixed according to an appropriate ratio to form slurry biomass.

[0026] (2) Gasification: the slurry biomass is sent into a pyrolysis reactor to be gasified under the action of high-temperature gas.

[0027] (3) Gas-solid separation: use a cyclone separator to separate the gasified biomass into some carbon particles and biomass-containing gas, and use a carbon collector to collect the separated part of the carbon particles.

[0028] (4) Condensation and oil collection: use the gas-water heat exchanger and oil collector to condense the biomass-containing gas into biomass fuel oil in sequence.

[0029] The biomass includes crop stalks, other plant stalks, branches and sawdust.

[0030] see figure 2 , a specific process embodiment of the present invention comprises:

[0031] 1. The 30-50 mesh biomass powder is continuou...

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Abstract

The invention relates to a biomass slurry atomization thermal cracking process which comprises the following steps of stirring, mixing, gasifying, gas-solid separating, condensing and oil gathering. Adevice of the invention comprises a screw pump, an on-line grinder, a I-stage on-line filter, a slurry biomass storage tank, a slurry supply pump, a II-stage one-line filter, an atomization spray gun, a thermal cracking reactor, a cyclone separating device, a gas-gas thermal exchanger, a steam-water thermal exchanger and an oil gathering device which are sequentially connected with the output endof a stirring machine through pipes. Biomass comprises crop straws, other plant straws, branches and wooden meals. Because of adopting the slurry atomization reactor, the invention has the advantagesthat the slurry biomass atomization effect is good, the temperature field is stable, the slurry atomization realizes the uniform mixing of gas and material for ensuring the fully thermal cracking, the thermal cracking effect and the utilization ratio of the material are improved, the structure of the device is compact, the investment cost is low, the process adopts the continuous circulating operation, the production efficiency is high and the oil yield is large.

Description

technical field [0001] The invention relates to a preparation process of biomass fuel oil and special equipment for implementing the process, belonging to the technical field of biomass energy utilization. Background technique [0002] Biomass is a clean and renewable energy. There are many ways to convert biomass resources into biomass energy. Different conversion methods and processes can obtain biomass energy in different forms such as liquid, solid, and gas. From the perspective of improving energy density and facilitating storage and transportation, converting biomass resources into liquid (bio-oil) should be the most ideal. However, the conversion of biomass resources into liquid bio-oil is an immature technology. Although foreign research work has been done for nearly 30 years, it is still in the stage of industrial experimentation, and domestic research in this area is still in its infancy. The method of making biomass resources into a slurry state (solid-liquid mix...

Claims

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Application Information

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IPC IPC(8): C10G1/00
Inventor 朱复东
Owner 江苏东工环保科技股份有限公司
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