Maintenance-free non-kinetic quantitative lifting and conveying device and control method thereof

By using a maintenance-free, non-kinetic quantitative lifting and conveying device with no rotating mechanical structure and driven by compressed air, the mechanical wear and leakage risks of traditional liquid lifting methods are solved, achieving highly safe and stable liquid conveying, which is particularly suitable for the nuclear industry and high-risk environments.

CN122407977APending Publication Date: 2026-07-17ZHEJIANG AILIPU TECH

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZHEJIANG AILIPU TECH
Filing Date
2026-05-27
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In the fields of fine chemicals and pharmaceuticals, existing technologies for traditional liquid lifting methods suffer from problems such as easy wear of mechanical seals, high risk of leakage, need for regular lubrication and maintenance, large flow fluctuations, and difficulty in achieving high-precision quantitative delivery, which affect continuous production.

Method used

The maintenance-free, non-kinetic quantitative lifting and conveying device adopts a non-rotating mechanical structure, uses compressed air as the driving force, and combines multiple sets of capacitive level gauges and high-precision mass flow meters. Through the partition design of the isolation wall, it realizes non-kinetic conveying and real-time accurate monitoring of the liquid. It is equipped with a gas-liquid mixing chamber and a gas-liquid separation unit to ensure the automated operation of the system in a closed state.

Benefits of technology

It achieves highly safe and stable liquid transport in radioactive environments, avoiding mechanical wear and maintenance needs, reducing personnel operation risks and maintenance costs, and is suitable for material transport in nuclear industry and high-risk environments. It has advantages of high precision, stability and environmental protection.

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Abstract

本发明公开了一种输送技术,旨在提供一种免维护非动能定量提升输送装置及其控制方法,其技术方案要点是包括设置于放射性环境的供料单元、输送执行单元、气液分离单元以及设置于操控室的气源控制单元、控制单元,所述放射性环境与操控室之间设置隔离墙:供料单元,包括供料槽;输送执行单元,包括设置于供料槽底部并于供料槽连通的输送管道、与输送管道连通的输送底节以及垂直向上且与输送底节连通的提升管道;气液分离单元,设置于提升管道上方;气源控制单元,包括压缩空气源、空气质量流量计和压力变送器;控制单元,与第一电容式液位计、第二电容式液位计、第三电容式液位计、空气质量流量计、压力变送器电连接;本发明适用于输送技术领域。
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