Hydrogenation mother station hydrogen recovery system and method

The integrated hydrogen recovery system solves the problems of waste of substandard hydrogen and equipment shutdown in the hydrogen purification system of the hydrogen refueling mother station, and achieves efficient hydrogen recovery and stable supply, thereby improving economic benefits and equipment operation stability.

CN121550797AActive Publication Date: 2026-02-24TIANJIN XINYUAN HYDROGEN ENERGY CO LTD
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Patent Information

Application Number
CN202610083762.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-01-22
Publication Date
2026-02-24
Estimated Expiration
2046-01-22

AI Technical Summary

Technical Problem

The existing hydrogen purification system at the hydrogen refueling mother station has problems such as fluctuations in the composition of the feed gas leading to unqualified products, waste of unqualified hydrogen by venting, ineffective recovery of desorbed gas, and long downtime of the unit after adsorbent penetration.

Method used

An integrated and intelligently controllable hydrogen recovery system was designed. By monitoring and controlling equipment such as hydrogen purification devices, product gas compressors, recovery gas compressors, and long-tube carts, the system can recover and efficiently utilize substandard hydrogen and desorbed gas. This includes setting up key instruments and control valves to dynamically adjust the hydrogen flow rate and path, ensuring hydrogen purity and stable supply.

Benefits of technology

It improved hydrogen recovery rate, reduced operating costs, ensured the quality of hydrogen products and the stability of downstream supply, reduced the venting loss of substandard hydrogen, and shortened the downtime of the unit.

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Abstract

The invention belongs to the field of hydrogen energy, and discloses a hydrogen recovery system and method for a hydrogenation mother station. The system comprises a hydrogen purification device, a product gas and recovery gas compressor, and an integrated pipeline network connecting feed gas, product gas, desorbed gas and a long pipe vehicle. According to the system, through a plurality of recovery paths, hydrogen which is not qualified in purification, desorbed gas and hydrogen replaced in the long pipe vehicle can be recovered to a fuel gas pipe network, a raw material gas inlet or a desorbed gas system respectively, and high-purity hydrogen can be used for carrying out online regeneration on a penetrating adsorbent. According to the invention, comprehensive recovery of the vented combustible gas in the hydrogenation mother station is realized, the hydrogen recovery rate is obviously improved, and the product gas quality and supply stability are ensured.
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