Cascade utilization system for blast furnace slag waste heat
A blast furnace slag and waste heat technology, which is applied in the field of blast furnace slag waste heat cascade utilization system, can solve the problems of further improvement of heat recovery efficiency, uneven slag particle shape and particle size distribution, unstable slag particle fluidization, etc., and achieves the carrying rate Low, reduced requirements for slag particle shape and size distribution, the effect of improved economy and reliability
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[0013] The present invention will be further described below in conjunction with the drawings and embodiments.
[0014] Such as figure 1 As shown, the blast furnace slag waste heat cascade utilization system of the present invention includes a separator 1, a molten blast furnace slag granulation device 2, a waste heat boiler 3, a steam turbine 4, a condenser 5, a generator 6, a gas hood 7 and a collector Air hood two 8, slag pit 9, air chamber two 10, blower 11, cooler 12, air chamber one 13, circulating fan 14, dust collector 15.
[0015] Separator 1 is connected with molten blast furnace slag granulation device 2, separator 1 slag particle discharge pipe is connected with gas collecting hood 7, outlet of gas collecting hood 7 is connected to waste heat boiler 3 inlet 1, separator 1 gas discharge pipe and waste heat boiler 3 Inlet two connection, waste heat boiler 3 exhaust gas outlet is connected to the inlet of dust collector 15, the outlet of dust collector 15 is connected to ...
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