1. Advantages of JBG Designed PC Boiler •Adopt the advanced and mainstream technology which makes sure the technical advancement:
• reasonable furnace volume and fracture surface heating load
• air and fuel grading, and low nitrogen tangential firing equipment
• reasonable working medium and flue gas flow speed on convection heating surface which makes sure the safety of heating surface during operation and heat transmission.
•The reliability is the most important purpose for design which makes sure the boiler safe and reliable operation.
• The design has margin, higher economical efficiency and flexibility
• design for project situation and coal type
• low emission of contaminant satisfies requirements of environmental protection and energy saving
2. PC Boiler Parameter: •Rated steam pressure Pe=9.81MPa
•Rated superheating steam temperature tgr=540ºC
•Hot wind temperature trk=315ºC
•Cold air temperature tlk=32.5ºC
•Feeding water temperature tgs=220 ºC
•Emission flue gas temperature tpy=150ºC
•Design heating efficiency η=91%(design coal)
•Coal granularity feeding furnace R90≤40% 3. PC Boiler Design Coal: •Coal type: design lignite
•Ash deformation temperature DT=1150ºC
•Ash softening temperature ST=1250 ºC
•Ash melting temperature FT=1300 ºC
•Coal calorific value 16.191MJ/kg
•Based on DT and ST and relative ash content, estimate this coal type is easy slag bonding coal. 4. Company introduction: Established in 1954, Jinan Boiler Group Co., Ltd. ( Hereinafter called "JBG" ) is a large backbone company that manufactures Grade "A" power Boilers and industrial boilers in China, and is also one of the leading companies for CFB boiler and Biomass Boilers. With the total asset value being over RMB 2 billion, JBG has 1300 employees, including 300 engineering technical staff. Located in the famous historical and cultural city -Jinan, the capital of Shandong Province, which is called "City of Springs". Majoring in the manufacture of power boilers and industrial boilers, JBG integrates the research & design, manufacture, auxiliaries supply, installation, maintenance, alteration, Power Plant EPC, environmental project EPC and technology consultation, and tries to step over from a single boiler supplier to an EPC contractor.
Adhering to the business principle "dedicating clean energy, making green products, improving economic benefit and building harmonious enterprise", JBG develops the first circulating fluidized bed power boiler in China, introduces and digests the 100% biomass power boiler technology and manufactures the first 30MW biomass power boiler in China. Now, JBG has grown up to be a globally-known CFB (Circulating Fluidized Bed) boiler research base and the largest Biomass Fired Boiler manufacture base, and JBG is one of high-tech enterprises in Shandong Provence and recognized as an experimental base by the Thermophysics Institute of China Academy of Science. JBG positively follows the low carbon economy trend and development of new energy industry and vigorously develops CFB boilers, biomass power boilers etc. for energy conservation and environmental protection. Now, JBG has developed more than 10 series and 100 types of products including CFB boilers, biomass boilers, pulverized-coal fired boilers, hot water boilers, waste heat recovery boilers, chemical recovery boilers, oil/gas fired boilers, waste incineration boilers, De-Sox & De-NOx products and pressure vessels etc.. The products are popular in China and exported to many countries, including Japan, Belgium, Singapore, Indonesia, Malaysia, Thailand, Pakistan, India, Viet Nam, Cambodia, Mongolia, Nigeria, Rwanda etc.
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