Flow distribution device for steam generator

By designing a flow distribution device within the steam generator, and utilizing a flow equalization grid with a non-uniform perforation structure and a flow distribution cylinder, the problem of uneven medium flow was solved, achieving uniform distribution of the medium within the steam generator, avoiding heat exchange tube vibration, and ensuring stable reactor operation.

CN115899662BActive Publication Date: 2026-06-05CHINA INSTITUTE OF ATOMIC ENERGY
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Patent Information

Application Number
CN202211092835.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-09-08
Publication Date
2026-06-05
Estimated Expiration
2042-09-08

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Abstract

The embodiment of the present application provides a flow distribution device for a steam generator, which comprises a flow distribution cylinder and a flow equalization grid fixedly connected with the flow distribution cylinder, wherein medium flowing into the steam generator flows into a heat exchange area of the steam generator through the flow equalization grid and the flow distribution cylinder; different positions of the flow equalization grid and the flow distribution cylinder are provided with different openings.
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Citation Information

Patent Citations

  • Flow distribution device used for tank-type forced circulation reactor

    CN104409114A

  • Cylindrical gas distributor

    CN108826295A

  • Flow distribution structure of steam generator

    CN114017765A