An ammonia unloading compressor closed replacement device

By designing a closed-loop replacement device for the ammonia unloading compressor, and utilizing nitrogen pipelines and an ammonia flare system to burn gaseous ammonia, the safety risks caused by gaseous ammonia escape have been resolved, achieving safe and environmentally friendly gaseous ammonia emissions.

CN224592301UActive Publication Date: 2026-08-04GUIZHOU QIANXI CHEM CO LTD
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Patent Information

Application Number
CN202522049538.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-24
Publication Date
2026-08-04
Estimated Expiration
2035-09-24

AI Technical Summary

Technical Problem

When existing ammonia unloading compressors malfunction or are undergoing calibration, gaseous ammonia can easily escape into the environment, posing a risk of poisoning and suffocation. Traditional replacement methods are unsafe.

Method used

Design a closed-loop replacement device for an ammonia unloading compressor. By combining a nitrogen pipeline and an ammonia flare discharge pipeline, a closed and safe discharge of gaseous ammonia is achieved. The ammonia flare system is used to burn the gaseous ammonia, preventing it from escaping.

Benefits of technology

It achieves closed-loop replacement of ammonia gas, avoiding personnel contact with toxic gases, reducing the risk of poisoning and suffocation, meeting environmental protection requirements, and reducing operating costs.

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Abstract

This utility model discloses a closed-loop replacement device for an ammonia unloading compressor, including an ammonia unloading compressor. An ammonia discharge valve is connected to the top of the compressor. A nitrogen pipeline connected to the ammonia discharge valve is used for purging with nitrogen. An ammonia flare discharge pipeline connected to the ammonia discharge valve is used to transport gaseous ammonia and replacement nitrogen to the ammonia flare discharge system for combustion. This closed-loop replacement device for the ammonia unloading compressor, equipped with the ammonia discharge valve and flare discharge pipeline, allows for closed-loop replacement of the ammonia unloading compressor. First, the valve on the flare discharge pipeline is opened, and the valve on the nitrogen pipeline is closed. The gaseous ammonia inside the compressor is then discharged to the ammonia flare system through the ammonia discharge valve, achieving a closed and safe discharge of gaseous ammonia and replacement nitrogen. This ensures the closed-loop replacement of the ammonia unloading compressor, preventing gaseous ammonia from escaping into the environment, completely avoiding operator contact with gaseous ammonia, reducing the risk of poisoning, and ensuring operator safety.
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