Product details
DZL coal biomass chain grate steam boiler
1. High fuel adaptability:Compatible with coal, anthracite, biomass pellets, wood chips,sawdust, rice husk, straw briquettes,palm shell,coconut shells,cashew nut shells,etc; Supports co-firing of coal and biomass, allowing for flexible seasonal switching;Optimized furnace arch and staged air supply ensure stable and complete combustion even with low-calorific-value fuels.
2. High efficiency and energy saving: thermal efficiency > 85%; the heat transfer coefficient of the threaded flue is about 1.8 times higher than that of the plain flue; it is self-cleaning and does not clog; the furnace is large, combustion is complete, and the exhaust gas temperature is low (<160℃)
3. Safe and durable: The arched tube sheet solves the common problem of cracking in traditional tube sheets; there is no dead water zone at the bottom of the boiler drum, preventing bulging and scaling; water circulation is reliable, and the water-cooled walls provide sufficient cooling; the scale-type grate ensures no coal leakage, stable operation, and long service life.
4. Fully automatic and easy to maintain: stepless grate speed regulation, automatic feeding and slag removal; multiple protections for water level/pressure/over-temperature/flameout; quick installation and small footprint, saving 30%+ on infrastructure; multiple access doors for convenient ash cleaning and maintenance.







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Step 1
Payment and order readiness
Minimum order: 1 Units
Payment terms, specifications, and order details are confirmed before preparation begins.
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Step 2
Preparation
20 days
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Step 3
Packaging and dispatch
Ocean freight via Maersk · Approx. shipping fee: $ 0.84 for 1 unit · Transit time: Est. 17-24 days
Final packing, freight, and delivery dates are confirmed before dispatch.
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