Method and system for molten slag granulation and sensible heat recovery
A sensible heat recovery and slag smelting technology, applied in the direction of improving process efficiency, can solve the problems of high investment and operating costs, large water consumption, low jet velocity, etc., to reduce the volume and floor area, horizontal flight distance Short, reduce the effect of system energy consumption
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[0038] The slag granulation and sensible heat recovery method provided by the present invention and the slag granulation and sensible heat recovery system using the method are described in detail below in conjunction with the accompanying drawings.
[0039] The invention provides a method for slag granulation and sensible heat recovery. The method includes the following steps:
[0040] 1) Let the slag flow from the leaked bag into the shell, forming multiple columnar slag streams, the multiple columnar slag streams are arranged in at least one row, and each column of the columnar slag stream has at least two strands;
[0041] 2) At least one nozzle is arranged in the shell with water-cooled wall, the water is pressurized to 1MPa~400MPa with a high-pressure pump, and sprayed from at least one nozzle to form a columnar high-speed water jet with a nozzle outlet flow rate of at least 45m / s;
[0042] 3) The high-speed water jet impacts multiple columnar slag streams located on the same row,...
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