Spraying-absorbing-type method and spraying-absorbing-type device for waste heat recovery of fuel-gas flue gas
A technology of spray absorption and flue gas waste heat, applied in the field of energy, can solve the problems of not compact distribution of devices, increase of laying costs of smoke pipes and water pipes, pipe resistance, large area of device, etc., to achieve compact structure and shorten construction period , the effect of saving floor space
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[0020] The present invention proposes a spray absorption type fuel gas flue gas waste heat recovery method and device, which will be described in detail below with reference to the drawings.
[0021] Such as figure 1 As shown, the gas enters the gas-driven generator 1 from the gas inlet 6 and then provides a high-temperature heat source for the absorption chiller 27. The exhausted flue gas is discharged from the flue gas outlet 7 of the gas-driven generator and is combined with the boiler flue gas in the waste heat recovery flue gas The inlet 8 is mixed, and the mixed flue gas enters the n-stage spray unit 5, and exits the unit from the exhaust outlet 9 after cooling.
[0022] Among them, the self-circulating water enters the first-stage spraying unit from the circulating water inlet 10 of the spraying unit for spraying. The effluent of each spraying unit is transported to the next spraying unit for spraying under the action of the spraying water pump 11. After being discharged fro...
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