The LG Series Air-Water Cooled Rotary Slag Cooler is a specialized equipment designed for the dry cooling and conveying of high-temperature slag from circulating fluidized bed boilers and bubbling bed boilers. It is an ideal continuous slag discharge and cooling equipment for power plants and centralized heating boiler rooms. This device incorporates the advantages of various manufacturers and has improved design principles and manufacturing processes, effectively overcoming issues such as slag leakage, water leakage and wear.

Working Principle of the Slag Cooler

The slag cooler primarily consists of a double-layer sealed sleeve with fixed internal spiral blades, a feeding and exhaust device, water inlet and outlet devices, a transmission mechanism, and a base. When the sleeve is rotated by the transmission mechanism, the high-temperature slag discharged from the boiler is guided forward by the spiral blades inside the sleeve. Cooling water flows continuously and evenly through the sealed space between the sleeves, while cooling air circulates inside the sleeve. This process gradually cools the hot slag.

Item	LG920	LG1020	LG1220	LG1520
Processing Capacity (t/h)	0~4	0~6	0~10	0~14
Inlet/Outlet Water Pipe	DN65	DN80	DN100	DN100
Drive Power (kW)	3	4~5.5	4~5.5	5.5~7.5
Inlet Temperature	≤1000°C
Outlet Temperature	≤100°C
Cooling Water Inlet Pressure	≤0.5 MPa
Cooling Water Quality	Softened water, purified industrial water

em Model LG920 LG1020 LG1220 LG1520 Processing Capacity (t/h) 0~4 0~6 0~10 0~14 Inlet/Outlet Water Pipe DN65 DN80 DN100 DN100 Drive Power (kW) 3 4~5.5 4~5.5 5.5~7.5 Inlet Temperature ≤1000°C ≤1000°C ≤1000°C ≤1000°C Outlet Temperature ≤100°C ≤100°C ≤100°C ≤100°C Cooling Water Inlet Pressure ≤0.5 MPa ≤0.5 MPa ≤0.5 MPa ≤0.5 MPa Cooling Water Quality Softened water, purified industrial water Softened water, purified industrial water Softened water, purified industrial water Softened water, purified industrial water

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