SZL Water Tube Coal Boiler

Output: steam/hot water
Capacity: 2-50 ton/h
Horsepower: 10hp to 2500hp
Available Fuel: coal, biomass, woodchips, palm shell/fiber, bagasse, sawdust, husks etc
Applied Industries: for heating/drying/turbine, in food/beverage, paper, package, textile, feed mill, chemical, building, hotel, laundry etc

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Introduction

SZL series boiler is double drum boiler with seamless full membrane wall, grate combustion burning, can produce steam for industrial production. Also our company designing SZL-D type boiler most suitable for biomass fuel.

SZL biomass boiler is a water tube structure boiler, longitudinally double drum boiler, combustione device is chain grate or reciprocating grate(step grate).

SZL series water tube boiler can fueled by wood, biomass, coal, palm kernel shells, coconuts shell, rice husks, sawdust, bagasse.

Has SZL-A & SZL-D types, especially SZL-D type is our company patented feature product. High technology, environmental and energy saving.

Advantages

Offset furnace design, 15% bigger furnace combustion, the heated area increases along.

Membrane type furnace wall, not easy to collapse, good airtightness, no deformation, no dust falling

Best wind adjust design, segmented air supply (preheating zone, drying zone, main combustion zone, coke zone, ash slag zone) can freely adjust the air volume

Secondary cyclone burnout chamber, reduce fuel cost, save running cost, improve boiler thermal efficiency

Built-in dust removal device inside boiler, effectively solve the problem of coking, low original dust discharge concentration

Equipped energy-saving device like economizer/preheater/cyclon/wet scrubber, environmental protection and energy conservation

Recommended suitable grate materials, and chain grate, reciprocating grate, or water cooling vibrating grate, according the fuel features.

Feature

SZL biomass boiler design capacity in 4ton-50ton. Advantages: High technology, environmental and energy-saving. Large heating surface, make sure enough space for biomass burning, automatic fuel feeding and slag removing system.

Cyclone chamber structure

high-temp flue gas through high-speed rotation/mixing combustion/dust separation, achieving dust removal & energy saving & environmental protection.

Indenpend wind chamber structure

make air regulation sensitive and make wind uniformly, resolve the wind plug, wind channeled, partial burn phenomenon.

Membrane water wall construction

structure advantages of high heat transfer coefficient, good heat transfer effect, low heat loss, good air tightness of furnace wall.