Sintered power generation by waste heat system with by-product gas afterburning
A technology of waste heat power generation and by-product gas, which is applied in waste heat treatment, machines/engines, lighting and heating equipment, etc. It can solve the problems of not increasing the exhaust gas temperature as much as possible, low superheated steam parameters, and low thermal efficiency of the system, so as to increase supplementary combustion The effect of flue gas volume, increasing steam parameters and increasing flue gas temperature
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[0012] Example 1
[0013] The structure of this embodiment is as follows figure 2 As shown, the sintering waste heat power generation system with supplementary combustion of by-product gas includes a cooler 1, a waste heat boiler 16, a steam drum 8, a steam turbine 9, a generator 10, a condenser 11, a cooling tower 12, a condensate pump 13, a deoxidizer The cooler 14 and the boiler feed pump 15 are provided with three exhaust gas outlets, which are the high temperature exhaust gas outlet 23 located in the high temperature area, the medium temperature exhaust gas outlet 22 located in the medium temperature area and the low temperature exhaust gas outlet 21 located in the low temperature area, the waste heat boiler 16 There are combustion furnace 26, high temperature superheater 24, low temperature superheater 25, evaporator 4 and economizer 5 in order from top to bottom. The exhaust gas inlet 27 to which the outlet 22 and the low temperature exhaust gas outlet 21 are all conn...
Example Embodiment
[0018] Embodiment 2
[0019] The structure of this embodiment is as follows image 3 As shown, the difference from the first embodiment is that the waste heat boiler 16 is provided with a combustion furnace 26, a high-pressure superheater 29, a high-pressure evaporator 30, a high-temperature economizer 31, a low-pressure superheater 32, and a low-pressure evaporator from top to bottom. 33 and the low temperature economizer 34, the steam drum is divided into a high pressure steam drum 35 and a low pressure steam drum 36, the boiler feed water pump 15 is connected with the inlet of the low temperature economizer 34, and the outlet of the low temperature economizer 34 is connected with the high temperature economizer 31. The inlet is connected with the water inlet of the low-pressure steam drum 36, the water inlet of the low-pressure evaporator 33 is connected with the water outlet of the low-pressure steam drum 36, the outlet of the low-pressure evaporator 33 is connected with t...
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