贫氧配气装置

By setting up two systems, a main gas distribution path and a backup gas distribution path, in the oxygen-deficient gas distribution device, the problems of poor control accuracy and downtime maintenance in the existing technology are solved, and continuous gas supply is achieved in the event of a fault.

CN224506776UActive Publication Date: 2026-07-17SICHUAN LAIFENG FLUID EQUIP MFG CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SICHUAN LAIFENG FLUID EQUIP MFG CO LTD
Filing Date
2025-06-19
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The existing oxygen-deficient environment control system for storage tanks has poor control accuracy and requires shutdown for maintenance when the gas circuit fails, making it impossible to continuously supply gas.

Method used

An oxygen-deficient gas distribution device was designed, comprising two systems: a main gas distribution path and a backup gas distribution path. The oxygen concentration is detected by an oxygen analyzer and the gas path is switched accordingly to ensure that the backup gas path can still supply gas normally when the main gas distribution path fails.

Benefits of technology

This allows for continued gas supply even in the event of a main gas distribution circuit failure, avoiding downtime for maintenance and improving the system's reliability and continuity.

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Abstract

本实用新型公开了一种贫氧配气装置,包括混合气路和至少两套配气系统,所述配气系统的进气端与气源连接,所述配气系统的出气端与所述混合气路连接;所述配气系统包括混合罐和两条配气气路;所述配气气路包括依次连接的过滤器、第一调压阀、第一常开阀、第一流量控制器和第一止回阀,与空气气源连接的配气气路上还设有备用支路,所述备用支路的进气端设置在第一调压阀和第一常开阀之间,所述备用支路的出气端与混合罐连接。本实用新型通过设置具有主配气气路及备用配气气路的两套配气系统,可形成至少两重防护,在主配气气路 / 主配气系统故障时仍可通过备用气路 / 备用配气系统进行配气,解决了气路故障就需要停机维护的问题。
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