YLL Type of Vertical Chain Grate Coal-fired Thermal oil Heater Simple structure, low cost.

YLL Type of Vertical Chain Grate Coal-fired Thermal oil Heater• Simple structure, low cost.• Adoption of top-mounted tube structure with large heat absorption area,high heat efficiency, never been collapsed.• Heat transfer oil enters into the boiler from the top and drains out fromthe bottom, which cannot easily be coked, with long service life of boiler.• No black smoke escapes to help achievement of environmental protection.