Waste heat recycling device for trolley furnace

By using a spiral heat exchange tube and circular array layout design, combined with a coarse and fine tube structure and funnel connection, the problem of insufficient heat exchange area in the bogie furnace waste heat recovery device is solved, achieving efficient heat transfer and automated management, and reducing energy waste.

CN224262237UActive Publication Date: 2026-05-19JIANGSU HENGLI FURNACE IND
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU HENGLI FURNACE IND
Filing Date
2025-04-17
Publication Date
2026-05-19

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Abstract

The utility model discloses a waste heat recycling device for a trolley furnace, which relates to the field of trolley furnaces and is characterized by comprising a waste gas collecting pipe and a heating water tank, the waste gas collecting pipe is communicated with a waste gas discharge port of the trolley furnace, and a plurality of spiral heat exchange pipes are arranged in the heating water tank in a circular array mode. The device has the advantages that when waste gas flows in the spiral heat exchange pipe, heat carried by the waste gas is subjected to sufficient heat exchange with water outside the pipe through the pipe wall, the spiral structure forces the waste gas to generate a turbulence effect, the contact time is prolonged, and heat conduction is enhanced; and the dense and uniform circular array layout ensures that the waste gas is in comprehensive contact with water in the heating water tank through the spiral heat exchange pipe.
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