Biomass bagasse boiler


Direct burning of biomass fuels (such as trees, straw, bagasse, etc.) is prohibited by the state. The State Council’s “Twelfth Five-Year Plan for Energy Conservation and Emission Reduction” proposes to promote the use of clean energy such as biomass molding fuels. During the period, the state plans to build 500 sets of biomass boilers to solve the problem of the outlet of biomass fuel in the region.

As the main producing area of sucrose in Guangxi, Guangxi has hundreds of various types of sugarcane-fired boilers. The traditional SNCR denitration process cannot meet the NOx emission requirements. The SCR denitration technology is added. The heavy metals and alkaline oxides in the flue gas will cause poisoning of the honeycomb catalyst. At the same time, the low-temperature cohesive dust will be in a short time.

The catalyst is blocked, the catalyst has a short service life, the maintenance and replacement workload is large, and the operating cost is high. The application of high-temperature dust-nitration integration technology realizes first dust removal and then denitration, which can effectively solve the persistent problems of conventional treatment processes.

The specific situation of Biomass bagasse boilers in China’s sugar cane sugar factory. A mathematical model for the main parameters of the bagasse furnace combustion process such as steam pressure, furnace negative pressure, oxygen content of flue gas, feed volume, bagasse moisture, air supply volume, and air induction volume was adopted.

The generalized predictive control strategy realizes the automatic control and optimization of the combustion process of Biomass bagasse boiler, thereby improving the combustion efficiency of Biomass bagasse boiler. It has the advantages of less investment, less risk, and obvious effects, and can achieve the goal of energy saving, emission reduction and efficiency.

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