Phosphine gas cooling and purifying device
CN224552148UActive Publication Date: 2026-07-24CHANGSHU NEW TECH CHEM
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGSHU NEW TECH CHEM
- Filing Date
- 2025-08-26
- Publication Date
- 2026-07-24
AI Technical Summary
Technical Problem
The phosphine gas treated by the existing absorption tower has an excessively high temperature and high impurity content, which affects the quality of organophosphorus products.
Method used
Design a phosphine gas cooling and purification device, including a cooling tank, a two-stage absorption tower and a scrubbing tank. The device uses three-stage cooling and two-stage impurity removal, and utilizes a cooling jacket, a sprayer and a liquid alkali circulation pump for gas cooling and purification.
Benefits of technology
This technology enables high-purity cooling and purification of phosphine gas, ensuring the quality of downstream organophosphine compounds and improving product purity and production efficiency.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224552148U_ABST
Abstract
The utility model discloses a kind of phosphine gas cooling purification devices, including the cooling tank, first absorption tower, second absorption tower and washing tank connected in sequence by gas pipeline;The cooling tank top is equipped with phosphine gas inlet pipe, outer wall is equipped with first cooling jacket, top is equipped with gas outlet;The first absorption tower and second absorption tower are packing tower;The washing tank top is equipped with purification gas outlet, bottom is equipped with washing water outlet.The utility model is cooled by the design of cooling tank and washing tank, phosphine gas is three-stage cooling, and cooling effect is ensured;By the design of two-stage absorption tower of liquid alkali, phosphine gas is two-stage circulation impurity removal purification, and carried impurity is effectively removed;The phosphine gas of the utility model after cooling purification is high in purity, can guarantee downstream organic phosphine compound use requirement, and practicality is strong.
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