Method for combined heating and power of aluminum oxide plant
A technology for combined heat and power supply and aluminum plants, which is applied in the directions of combined combustion mitigation, steam engine installations, gas turbine installations, etc., can solve the problems of increasing the unit production cost of alumina, difficult to take into account both heat and power, and balance supply of heat and power, and achieves a small footprint. Effect
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[0019] The present invention will be further described below in conjunction with accompanying drawing.
[0020] Such as figure 1 As shown, according to the requirements of the alumina high-pressure dissolution system for high-pressure steam, set the supply steam parameters, mainly including the flow rate q 0 , pressure p 0 and temperature t 0 , on the basis of setting the steam parameters, calculate and set the appropriate flue gas enthalpy drop Δh and flue gas flow rate V 0 . According to the heat supply and power supply balance, the gas turbine cycle calculation is carried out to determine the gas turbine power Pe and smoke exhaust volume V 1 , exhaust gas temperature t 1 , exhaust gas pressure p 1 . According to the basic conditions such as setting steam parameters, calculating flue gas parameters, and gas turbine exhaust parameters, the design calculation and type selection of waste heat boilers are carried out.
[0021] Such as figure 2 As shown, the gas turbine...
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