Chain furnace
Release time:
2023-06-29 16:04
The chain furnace is a layer-fired furnace with a high degree of mechanization. It gets its name because its grate resembles chain tracks. It is a kind of furnace combustion equipment widely used in industrial boilers, which is a chain furnace for chain grates, which is a kind of layer burning furnace and belongs to mechanical combustion grates. Working principle: through the reducer to drive the chain grate to rotate, so that the coal from the front of the fire, to the end of the boiler burned out, compared with the fixed grate can improve the combustion efficiency, at the same time when the chain turns down, air cooling cooling, can protect the grate piece from burning. It is a good combustion equipment in the laminar furnace.
1. Preserve the advantages of the traditional chain grate structure and eliminate its defects.
2. The grate piece has novel structure, easy disassembly and assembly, light weight, no coal leakage, and is suitable for all kinds of chain grates.
3. The chain link (active grate piece) is multi-functional, only bears the tensile force and is not burned by fire, the strength is high and does not break, and there are three structural types: rolling type, friction type, and new beam type. The former two are used for medium and small chain grates, and the latter are used for medium and large chain grates.
4. The grate chain belt is equipped with a structure to prevent wind from stringing between the air chambers and air leakage before and after the grate.
5. The segmented air supply chamber is a uniform air supply structure.
6. The grate side seal adopts secondary seal, the first stage adopts universal side sealing block, and the second stage adopts labyrinth type or contact seal.
7. Coal filling method: traditional coal hopper or multi-function stratified coal feeder
△、Performance and advantages
1. No shortcomings of existing chain grates, reasonable structure, simple manufacturing process, light weight or equivalent, low manufacturing cost.
2. Operation performance: convenient operation, few failures, high safety and reliability, low maintenance costs.
3. The amount of coal leakage, ash leakage, air leakage and string air volume is very small.
4. Each segmented air supply chamber evenly supplies air to the coal seam along the width of the grate, which is conducive to uniform combustion of the coal seam.
5. Due to the good performance and many advantages of the new chain grate, the mechanical incomplete combustion heat loss and exhaust heat loss of the equipped furnace are very small, so the efficiency and output of the furnace are high.
Chain grate is a kind of mechanized coal-fired equipment with a long history, reliable structure and stable operation in industrial boilers, which has been widely used.
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