Biomass Combustion in 58 MW Circulating Fluidized-Bed Boiler

Summary:58 MW cfb boiler fired with forestry residues, was performed to study the effect on bottom and fly ash. Ash samples from a period of kaolin dosage were compared with ash samples without kaolin.

20-07-2015

58 MW circulating fluidized-bed boiler provide by ZG CFB boiler manufacturer, the 58 MW cfb boiler fired with forestry residues, was performed to study the effect on bottom and fly ash. Ash samples from a period of kaolin dosage were compared with ash samples without kaolin.

Biomass Combustion in 58 MW Circulating Fluidized-Bed Boiler

Biomass Combustion in 58 MW CFB Boiler

The samples were analyzed for elemental composition, water solubility, and mineralogical composition. The cross-section of bed particles was examined for elements. The agglomeration temperature of the material from the particle seal was determined.

The kaolin, in the form of a fine powder, was supplied to the particle seal. It was found to be carried by the flue gases to the electrostatic filter rather than staying in the bed. Despite this, alkali is removed from the furnace by the kaolin, and thereby, the agglomeration temperature of the bed material increases.The alkali ends up in the fly ash, in which the content of alkali increases and the solubility of alkali decreases, suggesting that alkali aluminum silicates have been formed. These compounds have high melting points and are therefore unlikely to become liquid and stick to the surface of super-heaters.

A small fraction of the kaolin stays in the furnace by forming a thin layer on bed particles. It is concluded that kaolin addition can significantly enhance the operation of a fluidized bed fired with bio-fuels both with respect to super-heater deposition and corrosion and bed agglomeration.

The results show that findings in small-scale reactors are also valid in large-scale combustors. However, under the present circumstances, most kaolin ends up as fly ash.

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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

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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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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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