System for regulating and optimizing smoke by power generation and recycle of residual heat of sintering ring cold machine

Abstract

The invention discloses a system for regulating and optimizing smoke by power generation and recycle of residual heat of a sintering ring cold machine, which mainly comprises a ring cooling machine, a ring cooling machine wind box, a ring cooling machine wind chamber, a switching baffle door, a dual-pressure boiler without resisual heat and a steam filling and condensing type dual-pressure steam turbine, wherein the ring cooling machine wind chamber is divided into a high-temperature wind chamber and a low-temperature wind chamber which are respectively connected with the dual-pressure boilerwithout resisual heat through inlet flues, the steam outlet of the dual-pressure boiler without resisual heat is connected with the steam filling and condensing type dual-pressure steam turbine, and the outlet of a sediment chamber of the dual-pressure boiler without resisual heat is connected with a circulation fan through the flues and a wind complementing door. The invention has the highest efficiency in recovering residual heat, can use the resisual heat of sintering mineral materials at most, keeps stability, high efficiency and contineous operation for power generation by using the residual heat, and has important meaning for steal and iron plants.

Description

technical field [0001] The invention relates to a high-efficiency sintered double-pressure waste heat boiler configured with a supplementary steam turbine waste heat power generation cycle flue gas optimization adjustment system, in particular to a sintering ring cooler waste heat power generation cycle flue gas optimization adjustment system. Background technique [0002] In the process of iron and steel production, the energy consumption of the sintering process accounts for about 10% of the total energy consumption, ranking second only to the iron-making process. In the total energy consumption of the sintering process, nearly 50% of the heat energy is discharged into the atmosphere in the form of sensible heat of the sintering machine flue gas and cooler exhaust gas. Due to the low temperature of the exhaust gas of the sintering ring cooler, only 150°C to 450°C, coupled with the limitations of the previous waste heat recovery technology, waste heat recovery projects ofte...

AI Technical Summary

Problems solved by technology

Due to the low temperature of the exhaust gas of the sintering ring cooler, only 150°C to 450°C, coupled with the limitations of the previous waste heat recovery technology, waste heat recovery projects often give people the impression of "high cost, less power generation, and long recovery period". ignored by people

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