Technical characteristics of China's biomass circulating fluidized bed boiler

Summary: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

21-02-2014

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.

China's biomass circulating fluidized bed boiler

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.

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Basic Information of CFB Boiler manufacturer--- ZG Boiler

Established:In 1945

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

Export Percentage:30-40%

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),
North America(Bahamas, Canada, Costa Rica, Cuba, El Salvador, Guatemala, Honduras, Haiti, Jamaica, Mexico, Nicaragua, Panama),
Eastern Asia(Mongolia / Russia / North Korea / South Korea / Japan),
Oceania(Australia, New Zealand, Fiji),
Mid East(Bahrain, Egypt, Iran, Iraq, Israel, Jordan, Kuwait, Lebanon, Oman, Qatar, Saudi Arabia, Syria, UAE and Yemen, Palestine, Algeria, Libya, Morocco, Tunisia and Sudan, Mauritania and Somalia),
Africa(Egypt, Sudan, Libya, Tunisia, Algeria, Morocco, Ethiopia, Somalia, Kenya, Tanzania, Sierra Leone, Liberia, Cote d'Ivoire, Ghana, Togo, Niger, Nigeria, Cameroon, Gabon, Congo (Brazzaville), Zambia, Zimbabwe, Angola, Mozambique, Botswana, Namibia, South Africa),
South Asia(Nepal, Bhutan, India, Pakistan, Bangladesh, Sri Lanka, Maldives)
Southeast Asia(Vietnam, Laos, Cambodia, Thailand, Myanmar, Malaysia, Singapore, Indonesia, Brunei, the Philippines, East Timor)
Domestic Market(China)

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Solution

New project

Biomass CFB Boiler Plant in Bahamas

In Bahamas, the biomass can be burned using conventional combustion technology like grate furnace or fluidized bed boilers. For power generation the biomass would be charged to the furnace of a steam boiler.Steam produces by the boiler will then drive a steam turbine generator to generate electricity. The typical capacity range for biomass power plants 1-20MW.

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Zhengzhou Boiler Co., Ltd (ZG Group), founded in 1945, is a joint-stock enterprise with A Grade Boiler design and manufacture license permits. Over 60 years' experience in Boiler design and manufacturing has rewarded us with an industrial boiler(circulating fluidized bed boiler, oil & gas fired boiler, chain grate boiler, waste heat boiler).

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