Biomass gasification product and coal co-firing system and method

A biomass and biomass coke technology, which is applied in the fields of biofuels, combustion of gaseous fuels and powder fuels, and combustion equipment, can solve problems such as poor fuel adaptability and difficult handling, so as to reduce emissions, improve adaptability, and improve The effect of power generation efficiency

Inactive Publication Date: 2016-08-10
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

However, due to the wide variety of biomass and different physical and chemical properties, the common co-combustion method has poor adaptability to fuels, and it is difficult to transport and pre-treat biomass, so there are still problems in the large-scale promotion of co-combustion technology

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  • Biomass gasification product and coal co-firing system and method

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Embodiment Construction

[0033] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0034] like figure 1 As shown, a biomass gasification product and coal co-combustion system provided by the embodiment of the present invention mainly includes a biomass gasification device A, a biomass gasification product separation and delivery device B and a boiler co-combustion device C, wherein , biomass gasification device A uses biomass as raw material, and uses biomass raw material to ...

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Abstract

The invention discloses a biomass gasification product and coal co-firing system and method. The biomass gasification product and coal combined burning system comprises a biomass gasification device, a biomass gasification product separation and conveying device and a boiler co-firing device. The biomass gasification device takes biomass as a raw material, and a biomass gasification product is obtained through the biomass raw material. The biomass gasification product comprises biomass char and a gaseous product body. The biomass gasification product separation and conveying device is used for separating the biomass gasification product and conveying the biomass gasification product into the boiler co-firing device to be fired with coal. The boiler co-firing device is used for enabling the biomass gasification product obtained in the biomass gasification device and the coal to be co-fired in a boiler. The biomass gasification product and coal co-firing method achieves co-firing of the biomass gasification product and the coal through the biomass gasification product and coal co-firing system. According to the biomass gasification product and coal co-firing system and method, by separating solid, gaseous and liquid products which are obtained through biomass gasification, all the products obtained through biomass raw material gasification are fully utilized, the generating efficiency of a conventional biomass and coal co-firing boiler is improved, and emissions of pollutants and greenhouse gases are decreased.

Description

technical field [0001] The invention belongs to the technical field of energy utilization, and more specifically relates to a system and method for co-combusting biomass gasification products and coal. Background technique [0002] The extensive adoption of coal-fired power generation leads to the annual emission of a large amount of sulfur dioxide, nitrogen oxides and carbon dioxide gas. The loss caused by the emission of these pollutants and the acid rain formed by them accounts for about 8% of the total GDP, and the large emission of carbon dioxide has caused The severe greenhouse effect has led to an increase in global temperature and more frequent extreme weather. Therefore, it is urgent to speed up the adjustment of energy structure and reduce the consumption of coal. [0003] China is a large agricultural country, with a huge output of agricultural and forestry waste every year. A large amount of agricultural straw is treated by field incineration, which produces a l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23C1/10F23C1/12F23C7/02C10B53/02
CPCC10B53/02F23C1/10F23C1/12F23C7/02Y02E50/10
Inventor 向军熊哲汪一胡松苏胜江龙孙依唐浩
Owner HUAZHONG UNIV OF SCI & TECH
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