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生物质锅炉脱硫脱硝设备

首页- 新闻资讯 > 公司新闻

2022-12-02

生物质锅炉脱硫脱硝设备，生物质锅炉脱硝有如下特点：①炉膛温度差别大，生物质锅炉主要有炉排炉和循环化床炉，每种炉型又分为中温中压炉、次高温次高压炉、高温高压炉，膛温度分别为?700～760℃、880～950℃、850～1100℃；②生物质中氢元素含量较高，烟气中含水量也高，可达到15%～30%；③烟尘含碱金属质量分数较高，可达8%?以上；④二氧化硫、氮氧化物浓度低、波动大，燃烧纯生物质时二氧化硫、氮氧化物浓度在120～250mg/m3波动，如燃料中掺杂模板、木材、树皮，烟气中二氧化硫、氮氧化物浓度在?250～600?mg/m3波动。

Desulfurization and denitration equipment of biomass boiler, and denitration of biomass boiler have the following characteristics: ① The furnace temperature difference is large, biomass boiler mainly has grate furnace and circulating bed furnace, and each furnace type is divided into medium temperature medium pressure furnace, sub high temperature sub high pressure furnace, and high temperature high pressure furnace, and the chamber temperature is respectively? 700～760℃、880～950℃、850～1100℃； ② The hydrogen element content in biomass is high, and the moisture content in flue gas is also high, which can reach 15%~30%; ③ The content of alkali metal in smoke is high, reaching 8%? above; ④ The concentration of sulfur dioxide and nitrogen oxides is low and fluctuates greatly. When burning pure biomass, the concentration of sulfur dioxide and nitrogen oxides fluctuates between 120 and 250mg/m3. For example, the fuel is mixed with templates, wood and bark, and the concentration of sulfur dioxide and nitrogen oxides in the flue gas is between? 250～600? Mg/m3 fluctuation.

生物质的锅炉由于燃料种类多、热值低、给料均匀性差，造成燃烧区内的温度变化剧烈，锅炉出口初始氮氧化物排放浓度波动大。生物质锅炉脱硝要稳定炉膛出口NOx的浓度。生物质可采用的烟气脱硝方式包括：SNCR脱硝技术，SCR脱硝技术，臭氧氧化脱硝技术，ZYY脱硝技术等。

Due to the variety of fuels, low calorific value and poor feed uniformity, the temperature in the combustion zone of biomass boilers changes dramatically, and the initial NOx emission concentration at the boiler outlet fluctuates greatly. The NOx concentration at the furnace outlet must be stabilized first for biomass boiler denitration. The flue gas denitration methods available for biomass include SNCR denitration technology, SCR denitration technology, ozone oxidation denitration technology, ZYY denitration technology, etc.

以上就是为大家介绍的有关生物脱硫的详细的介绍,希望对您有所帮助.如果您有什么疑问的话,欢迎联系我们.我们将以的态度,为您提供服务https://www.hneee.net

The above is a detailed introduction of biological desulfurization for you, and we hope it will be helpful to you. If you have any questions, please contact us. We will provide services for you with our attitude https://www.hneee.net

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