Efficient mixing anti-corrosion reaction kettle

By designing a horizontal vessel body and a composite anti-corrosion structure, combined with multiple stirring methods and a cathodic protection ring, the problems of uneven stirring and corrosion in the production of sodium diacetate have been solved, realizing a highly efficient mixing and corrosion-resistant reactor suitable for the production of crystalline corrosive media.

CN224293242UActive Publication Date: 2026-05-29ZHEJIANG JIANGSHAN INNOVATION TECH CO LTD
0 Cites 0 Cited by

Patent Information

Application Number
CN202521375995.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-02
Publication Date
2026-05-29
Estimated Expiration
2035-07-02

AI Technical Summary

Technical Problem

The existing reaction vessel has problems with uneven stirring in the production of sodium diacetate, which leads to severe sedimentation and corrosion at the bottom, affecting product quality.

Method used

It adopts a horizontal vessel structure, combined with a central spiral agitator and a side-wall turbine agitator mixing system, equipped with scraper plates and mixing baffles, bottom ultrasonic vibrating plates, and the vessel body is made of Hastelloy, titanium plate and stainless steel composite structure, and is equipped with a cathodic protection ring to achieve efficient mixing and corrosion prevention.

Benefits of technology

Increasing the liquid surface area reduces dead zones, solves the deposition problem caused by uneven stirring, prevents scale formation at the bottom of the reactor, effectively counteracts electrochemical corrosion, and ensures long-term low-maintenance operation of the reactor.

✦ Generated by Eureka AI based on patent content.
Patent Text Reader

Abstract

The utility model discloses an efficient mixing anti-corrosion reaction kettle which comprises a horizontal kettle body, the horizontal kettle body is an anti-corrosion composite kettle body, the top of the horizontal kettle body is provided with a feeding pipe, the bottom of the horizontal kettle body is provided with a discharging pipe, the middle of the horizontal kettle body is provided with a main stirring shaft, the main stirring shaft is provided with a helical ribbon stirrer, and the helical ribbon stirrer is provided with a stirring shaft. A main stirring shaft is arranged in the horizontal kettle body, auxiliary stirring shafts are respectively arranged on two sides of the main stirring shaft, turbine stirrers are arranged on the auxiliary stirring shafts, a wall scraping plate is connected onto the main stirring shaft, the wall scraping plate is in contact with the inner wall of the horizontal kettle body, an ultrasonic vibration plate is arranged in the bottom wall of the horizontal kettle body, and a cathode protection ring is further arranged in the inner wall of the horizontal kettle body. The device can solve the problems of deposition and corrosion caused by non-uniform stirring, realizes integral high-efficiency long-term low-maintenance operation, and is particularly suitable for production scenes of crystalline corrosive media such as sodium diacetate and the like.
Need to check novelty before this filing date? Find Prior Art