Production device of polymeric ferric chloride sulfate

By adopting a combined gas supply method of circumferential downward air inlet pipe and top upper air inlet pipe, as well as a graded design of main and auxiliary injectors in the polyferric chloride production unit, the problems of corrosion and blockage of gas distribution pipes were solved, achieving uniform gas distribution and full reaction coverage, thus improving production flexibility and safety.

CN223969963UActive Publication Date: 2026-03-06JIAXING HUANKE CHEM CO LTD
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Patent Information

Application Number
CN202520623331.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-03-06
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

Existing polyferric chloride production equipment suffers from problems such as easy corrosion and perforation of gas distribution pipes, easy blockage of gas pores, uneven gas distribution, and insufficient adaptability.

Method used

It adopts a combination of air inlet and top air inlet arranged circumferentially in the pressure tank for air supply. Combined with the staged design of main and auxiliary injectors, it forms a spiral gas-liquid mixture flow. It is equipped with an independent or linked liquid supply pump system and is equipped with double-layer manholes and online monitoring devices.

Benefits of technology

The problem of corrosion and blockage in the gas distribution pipes has been solved, achieving uniform gas distribution and full reaction coverage, thus improving production flexibility and safety.

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Abstract

The utility model discloses a production device of polymeric ferric chloride sulfate, which comprises a pressure-resistant tank body, a main / auxiliary liquid inlet pipe orifice, an exhaust pipe orifice and an upper gas inlet pipe orifice are arranged at the top of the pressure-resistant tank body, a liquid outlet pipe orifice is arranged at the bottom of the pressure-resistant tank body, and three lower gas inlet pipe orifices are uniformly distributed in the circumferential direction of the tank body; the main ejector is connected with a main liquid inlet pipe opening and exhausts circularly, and the auxiliary ejector injects liquid into the position below the liquid level through an extension pipe. According to the utility model, the design of an under-liquid gas distribution pipe is canceled, and a three-dimensional gas supply layout is adopted, so that the problems that the traditional structure is easy to corrode and perforate and the gas distribution is non-uniform are solved; the lower gas inlet pipe opening and the upper gas inlet pipe opening which are circumferentially symmetrical form a spiral gas-liquid mixed flow, the gas diffusion uniformity is improved, and oxidation dead angles are reduced; the main ejector and the auxiliary ejector work cooperatively, the long throat structure of the main ejector strengthens turbulent mixing, the short throat design of the auxiliary ejector generates deep microbubbles, the gas-liquid contact area is increased, and the reaction efficiency is improved; the oxygen distribution proportion and the injection mode can be flexibly adjusted to adapt to the raw material concentration fluctuation of + / -20%.
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