Technical characteristics of China's biomass circulating fluidized bed boiler
China has put into operation the biomass power projects mainly use water-cooled vibrating grate boiler and circulating fluidized bed (CFB) boiler are two types of boilers. This article is part of the CFB boiler manufacturers through the visit of the technical characteristics and the development of domestic CFB boilers burning biomass as a general introduction.
According to incomplete statistics, China's National Development and Reform Commission as of now or provinces (municipalities and autonomous regions) Development and Reform Commission has approved the use of agricultural and forestry biomass power projects have more than 170 items, with a total installed capacity of 4.6 million kilowatts; commissioning of the project is estimated to have about 50, installed a hundred million kilowatts.
Trends of biomass CFB boiler
Biomass CFB boiler current trends from low parameter gradually to the high parameters of development, from the initial medium temperature and pressure parameters to a medium temperature high-pressure, to high temperature and pressure parameters, even Wuhan Kaidi Electric Power's biomass power plant began to use with independent intellectual high pressure high temperature property CFB combustion technology. The purpose of the development of high parameters to improve the thermal efficiency of the boiler.
From the capacity point of view, due to the limited supply of fuel and combustion characteristics determine the biomass CFB boiler capacity can not do too much, mostly in the 65t / h, 75t / h between 130t / h.
The main types of biomass power plant boiler
Biomass is an important way to large-scale use of biomass energy. Scale biomass combustion power generation technology is the use of biomass as a feedstock to produce steam boilers, steam-driven turbine generator to generate electricity.
Direct combustion of biomass fuels are solid fuel, usually for solid fuel combustion, there are three main methods, namely suspension of pulverized coal combustion represented, laminar burning combustion grate and fluidized bed boiler representatives to represent the fluidizing combustion. According to their characteristics of biomass fuels, pulverized coal does not apply to biomass burning. China has put into operation in biomass power projects mainly use water-cooled vibrating grate boiler and circulating fluidized bed (CFB) boiler are two types of boilers.
Features raw material CFB boiler technology
Comparison of biomass fuels and coal has the following characteristics: high chlorine content and the alkali metal content, volatile matter, high oxygen content and high moisture content, low fixed carbon, low ash, low calorific value, low sulfur content. The design should be performed in the boiler fuel properties.
Since the alkali metal biomass fuel contains a certain amount of inorganic impurities, the combustion ash particles tend to occur during the phenomenon of melting at low temperatures, and are easily within the high temperature coking chamber, the combustion process in a fluidized bed polymerization mainly in the group and Wall and coking furnace heating surface and other aspects.
Circulating fluidised bed Boiler Cases
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Basic Information of CFB Boiler manufacturer--- ZG Boiler
Number of Employees:above 1500 People
Our products:industrial horizontal steam boiler and hot water boiler(biomass boiler, gas boiler, oil boiler, coal boiler, etc), CFB boiler, power plant boiler, waste heating recovery boiler, Pressure Vessel(AAC autoclave, Curing tank,etc )
Factory Size (Sq.meters):400,000 square meters
Factory Location:Factory 1: Zhengzhou,,Henan, China. Factory 2: Xingyang,Henan,China
Number of R&D Staff:376 people
Our Trade & Market
Total Annual Sales Volume:US$100 Million
Main Market:South America(Colombia, Venezuela, Guyana, Suriname, Ecuador, Peru, Brazil, Bolivia, Chile, Paraguay, Uruguay, Argentina and French Guiana),
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