Introduction of SZL Chain Grate Boiler in Household Heating System
SZL series shop assemble chain grate boiler in heating industry is developed by our company independently based on the features of field assemble boiler arch. SZL series assemble chain grate boiler central heating fuses water-cooled arch technology and membrane water wall technology, which is domestic initiative. With strong overload capacity and wide adaptability of coal, this coal fired boiler in heating system has reached world advanced level. Adopting with water-cooling arch and membrane water-cooling wall, SZL chain grate boiler becomes more energy-saving and environmental friendly.
Parameters of SZL Chain Grate Boiler in Heating Unit
Type: SZL
Capacity: 4-25t/h
Hot Water: 2.8-14MW
SZL Pressure: 1.0-2.5Mpa
SZL Temperature: 194~226℃
Features of SZL Chain Grate Central Heating Boiler  
* with water wall tube
* applied different kinds of coal
* Inverted " α" arch furnace technology 
* adopting membrane water-cooling wall structure
* higher heat transmission coefficient, good air tightness 
* six independent air chambers to adjust the air volume and achieve the best combustion effect
Applications  
This coal fired boiler in heating system is widely used in heatinf, textile, printing and dyeing, paper making, chemical industry, and food industry.
Main Customers:
SZL20-2.5-T  Mongolia 20 ton chain grate boiler