Corrosion-resistant venturi scrubber

By employing a segmented structure and a double-sealed connection flange design, combined with a corrosion-resistant lining and a sealing monitoring device, the corrosion, sealing, and gas-liquid mixing efficiency issues of the Venturi scrubber have been resolved, achieving equipment stability and high-efficiency purification.

CN224126887UActive Publication Date: 2026-04-17NINGXIA YINGFUJINHE TECH CO LTD
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Patent Information

Application Number
CN202520651294.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-04-17
Estimated Expiration
2035-04-08

AI Technical Summary

Technical Problem

Existing Venturi scrubbers suffer from corrosion, sealing, and low gas-liquid mixing efficiency issues in aluminum fluoride production, resulting in short equipment lifespan, high maintenance costs, and unsatisfactory purification effects.

Method used

The equipment adopts a segmented structural design, including a contraction section, a throat section, and a diffuser section. It uses double-sealed connecting flanges and corrosion-resistant liners, combined with shock-absorbing rings and sealing monitoring devices, to ensure the stability and sealing performance of the equipment under high temperature and high pressure environments.

Benefits of technology

It improves the equipment's corrosion resistance and sealing performance, enhances gas-liquid contact efficiency, reduces maintenance costs, extends equipment lifespan, and improves purification effect.

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Abstract

The utility model discloses a corrosion-resistant venturi scrubber, which comprises a contraction part, a throat pipe part and a diffusion part, and adopts a sectional structural design, the contraction part consists of a first contraction part and a second contraction part, and the first contraction part and the second contraction part are connected through a double-seal connecting flange to form an inverted circular truncated cone-shaped barrel. The throat pipe part is cylindrical, and the diffusion part is a circular truncated cone-shaped cylinder, so that gas-liquid full contact in the gas flow acceleration and deceleration processes is ensured. All the parts are connected through the double-sealing flange, double sealing of the metal sealing ring and the flexible sealing washer is used, and stable sealing in the high-temperature and high-pressure environment is guaranteed. In addition, a corrosion-resistant lining is arranged on the inner wall of the washer to prolong the service life of equipment, and a damping ring is arranged to reduce fluid vibration. The sealing performance, the gas-liquid contact efficiency and the corrosion resistance of the equipment are improved through optimization design, and the high-temperature and high-pressure gas purification device has higher working efficiency and stability and longer service life and is suitable for the field of high-temperature and high-pressure corrosive gas purification.
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