A boiler flue gas waste heat recovery system

By exchanging heat between soft water and high-temperature flue gas in the boiler flue gas waste heat recovery system, the problems of excessive oxygen content in soft water and damage to dust removal equipment have been solved, thereby reducing energy consumption and protecting equipment.

CN224434449UActive Publication Date: 2026-06-30XINJIANG YIHE BIOLOGICAL CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
XINJIANG YIHE BIOLOGICAL CO LTD
Filing Date
2025-06-30
Publication Date
2026-06-30

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Abstract

This utility model discloses a boiler flue gas waste heat recovery system, relating to the field of boiler equipment technology, and its main purpose is to provide a boiler flue gas waste heat recovery system. The main technical solution of this utility model is as follows: a boiler flue gas waste heat recovery system, comprising: a boiler component, one end of an exhaust pipe connected to the boiler body and the other end connected to a dust collector; a heat exchange component, comprising a soft water tank, a first water supply pipe, a drain pipe, and a heat exchanger, the heat exchanger being installed on the exhaust pipe and located between the boiler body and the dust collector, one end of the water supply pipe connected to the soft water tank and the other end connected to the heat exchanger, and one end of the drain pipe connected to the heat exchanger; a water supply component, comprising a deaerator and a second water supply pipe, one end of the deaerator connected to the drain pipe and the other end connected to the second water supply pipe, the second water supply pipe being connected to the boiler body. This utility model is mainly used to recover heat from flue gas.
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