Recirculating flash vessel structures

The system addresses inefficiencies in industrial steam production by using a compressor train with flash vessels and a steam recirculation manifold for staged compression and flexible operation, enhancing efficiency and stability in producing high-pressure steam.

WO2026136721A1 Publication Date: 2026-06-25SKYVEN TECHNOLOGIES LLC
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Patent Information

Application Number
PCT/US2025/060409
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-12-18
Filing Date
2025-12-18
Publication Date
2026-06-25

AI Technical Summary

Technical Problem

Existing industrial steam production systems face inefficiencies, high costs, and operational challenges due to lack of modularity, scalability, and adaptability, particularly in managing condensate and recirculated steam, leading to excessive flashing, noise, erosion, and pressure drops, and inability to meet varying steam flow and pressure demands.

Method used

A system comprising a compressor train with multiple compressors and flash vessels, coupled with a steam recirculation manifold, allows staged compression and efficient steam management, enabling flexible operation modes, surge prevention, and precise control of steam flow to meet varying demands.

Benefits of technology

The system enhances energy efficiency, reduces manufacturing and operating costs, and ensures stable high-pressure steam production by optimizing steam recirculation and management, supporting both standard and recirculation scenarios.

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Abstract

Systems, methods, and apparatuses for producing high-pressure steam are provided. A compressor train includes a series of at least two compressors, and inlet, and an outlet providing high-pressure steam. A flash vessel structure includes a series of at least two flash vessels, a terminal flash vessel at one end of the flash vessel structure, and a vapor outlet of the terminal flash vessel fluidly coupled to the inlet of the compressor train. Vapor outlets of a remainder of the series of at least two flash vessels are fluidly coupled between compressors of the series of at least two compressors. A steam recirculation manifold includes a vapor inlet fluidly coupled to the compressor train or a source of high-pressure steam. Each respective vapor outlet of the steam recirculation manifold is fluidly coupled to a vapor inlet of a corresponding flash vessel in the flash vessel structure.
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