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生物质发电机组的发电特质

来源:http://www.huannengpower.com   发布于:2017-05-09

生物质气化发电技能是指生物质在气化炉中转化为气体燃料,经净化后直接进入燃气机中焚烧发电或进入燃料电池发电。气化发电的关键技能之一是燃气净化,经气化得到的燃气都含一定的杂质如:灰分、焦炭和焦油等。需通过净化体系把杂质除掉,以确保发电设备的正常运转。

Biomass gasification power generation technology refers to the conversion of biomass into a gas fuel in the gasifier, after purification directly into the gas turbine to generate electricity or enter the fuel cell power generation. One of the key skills of gasification power generation gas purification, gas was obtained with certain impurities such as ash, coke and tar etc.. To remove the impurities through the purification system to ensure the normal operation of power generation equipment.

生物质气化发电可分为内焚烧机发电、然汽轮机发电、燃气-蒸汽联合循环发电体系发电和燃料电池发电体系发电等。内燃机通常需要在柴油机或然气机的基础上进行改造,以适应生物质燃气热值较低的特点;燃气轮机适用于焚烧高杂质、低热值而且规划较大的生物质燃气;燃气-蒸汽联合循环发电体系能够进步提高发电功率;燃料电池发电是在一定条件下使燃料和氧化剂发作化学反应,将化学能转换为电能和热能的进程,燃料电池本体的发电功率高,热电联产的总热功率可达80%以上。

瓦斯发电机组

Biomass gasification power generation can be divided into internal incineration power generation, steam turbine power generation, gas steam combined cycle power generation system and fuel cell power generation system, etc.. The internal combustion engine is usually required in the transformation of the diesel engine based on contingent gas machine, in order to adapt to the characteristics of biomass of low calorific value gas; gas turbine is suitable for burning low calorific value, high impurity and planning large biomass gas; gas - steam combined cycle power generation system can improve the step power; fuel cell power generation is to make fuel and oxidizer agent under the condition of certain chemical reactiongenerate to convert chemical energy into electricity and heat process, power generation of the fuel cell body is high, the total thermal power cogeneration can reach more than 80%.

生物质直接燃烧发电是将生物质在锅炉中直接燃烧,产生蒸汽带动蒸汽轮机及发电机发电。生物质直接燃烧发电的关键技能包括:生物质质料预处理、锅炉防腐、锅炉的质料实用性及燃料效率、蒸汽轮机效率等。

Biomass direct combustion power generation is the direct combustion of biomass in the boiler, steam generation and steam turbine generator. The key technologies of biomass direct combustion power generation include: pretreatment of biomass material, corrosion of boiler, practicability of boiler material, fuel efficiency, steam turbine efficiency and so on.

生物质直接燃烧发电方法固定床或流化床燃烧,固定床燃烧对生物质质料的预处理要求较低,生物质经过简单处理或者无需处理就可进入炉内燃烧。流化床燃烧要求将大块的生物质质料预先处理至易于分解的颗粒,其燃烧效率和强度都比牢固床高。

The biomass direct combustion power generation method is fixed bed or fluidized bed combustion, and the requirements of the pretreatment of the fixed bed combustion on biomass materials are low. Fluidized bed combustion requires that large amounts of biomass can be processed in advance to the particles which are easy to be decomposed.

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