Coal Chain Grate Boiler is the most common coal fired boiler, and the combustion equipment is chain grate. In June 2021, coal fired boiler manufacturer Taishan Group delivered one SZL25-2.0-AII coal steam boiler to Cart Tire (CAMBODIA).

Coal Chain Grate Boiler Parameter

Rated capacity: 25t/h

Rated steam pressure: 2.0MPa

Saturated steam temperature: 215C

Radiation heating area: 71.7m2

Convection heating area: 405m2

Economizer heating area: 354m2

Air preheater heating area: 155m2

Grate area: 24m2

Feed water temperature: 105C

Thermal efficiency: 81.9%

Load range for safe and stable operation: 60-100%

Design fuel: soft coal II-class

Fuel lower heating value: 20833.5kJ/kg

Fuel consumption: 3391.5kg/h

Flue gas exhaust temperature: 163.1C

Excessive air coefficient at exhaust port: 1.65

Boiler body steel consumption: 28230kg

Steel structure steel consumption: 8104kg

Boiler chain grate steel consumption: 27800kg

FD fan: flow 39000m3/h, pressure: 3100Pa, power 45kW

ID fan: flow 66323m3/h, pressure: 6000Pa, temperature: 160C, power 132kW

Water pump: flow 30m3/h, head 250m, power 37kW

CART TIRE is a leading tire manufacturer in Cambodia. It is the biggest investment for tire industry in Cambodia by Sailun Group. Sailun is a rubber tyre development and manufacturing company committed to providing high-quality tyre products and services for users worldwide. It is the first A-listed Chinese private enterprise on the Shanghai Stock Exchange. It employs domestic modern tyre manufacturing bases in Qingdao, Dongying and Shenyang. Besides, it has several international branches including Vietnam factory, Cambodia factory and natural rubber processing base in Thailand. Currently, annual production capacities are 4.2 million TBR tyres, 32 million PCR tyres, and over 40k tons of OTR tyres. Sailun products are available in over 100 countries and areas around the world.

This coal chain grate boiler EPC project is the first chain grate boiler EPC in tire industry in Cambodia. This project including system design, boiler manufacturing, delivery, installation and commissioning. Taishan Group is a qualified EPC contractor with Grade II design qualification of thermal power plant.