Heat resistant passive/active/flake chain grate bar and single/double wind groove for coal fired steam boiler

The DZL series boiler is a horizontal three return fire tube boiler, and the combustion equipment is a chain grate. The water-cooling wall on the left and right sides of the furnace is a radiant heating surface, the two wings of the furnace are convective heating surfaces, the convection heating surface of the threaded tobacco pipe is arranged in the drum, and the front and rear arches are made of a heat-resistant concrete integrally cast enamel. The outside of the boiler main body is a shield housing.

The date sheet of passive  and active grate bar is as follows.

Products	Model	Material and Performance
Passive chain grate bar	18# Single Wind Groove	HT150. Heat-resistance 400-500℃ RTSi5. Heat-resistance 800-900℃ QTSi5.Heat-resistance 1000-1200℃
	18# Double Wind Groove
	24# Single Wind Groove
	24# Double Wind Groove
	26# Double Wind Groove

 

Products	Model	Material and Performance
Live core chain grate bar	200mm	QT450-10. Heat-resistance 800-900℃          2.QTSi5.Heat-resistance 1000-1200℃
	203mm
	220mm
	228mm
	231mm
	237mm
	240mm
	245mm
	246mm
	250mm
	255mm
	264mm
	290mm

The DZL boiler is equipped the travelling grate.The entire grate mainly consists of two parts: the frame and the grate. The grate pieces are usually made of cast iron, and the necessary ventilation gaps are maintained between the sheets after assembly, and often a ventilating chamber is provided under the grate to adjust the air volume so that air enters the fuel layer through the gap to burn. The burnt ash is discharged manually or mechanically.

The model of passive grate bar is 12# 15# 18# 20#，24# 26#，30#,and the size is 112mm  115mm  118mm  120mm  125nn  133mm 135mm 150mm 155mm  165mm  205mm.The size of active grate bar includes 200mm，203mm，205mm，220mm，228mm，231mm，235mm，245mm，250mm，265mm，290mm. The size of flake chain grate bar includes 288mm 301mm 311mm 315mm 318mm 330mm 365mm 367mm 368mm

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The grate products cover hot water boilers, steam boilers, organic heat carrier furnaces, hot air drying furnaces, thermal electric boilers and other equipment. A product system that uses coal, biomass, and municipal solid waste as combustion media has be