Novel purification device for dichloropropene

By designing the step tank and rotary shaft in the dichloropropylene purification device, the rotation of the spiral processing sheet makes the liquid flow sufficient, solving the problem that solid caustic soda sodium hydroxide is difficult to dissolve quickly, and the purification efficiency is significantly improved.

CN222624568UActive Publication Date: 2025-03-18HEBEI YICHANG CHEM CO LTD
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Patent Information

Application Number
CN202420409877.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-04
Publication Date
2025-03-18
Estimated Expiration
2034-03-04

AI Technical Summary

Technical Problem

During the purification process of dichloropropylene, the solid caustic soda sodium hydroxide settles rapidly, and it is difficult for ordinary stirring to dissolve it quickly, resulting in low purification efficiency.

Method used

A new purification device is designed, including a step tank and a rotating shaft. The rotating shaft is equipped with a split block and a spiral processing sheet. The liquid is fully fluid through the rotation of the bolt processing sheet, which promotes the mixing of the upper and lower layers of liquids, and improves the dissolution efficiency of solid caustic soda sodium hydroxide.

Benefits of technology

Through intense flow and mixing, the dissolution rate of solid caustic soda sodium hydroxide is significantly accelerated, the purification efficiency of dichloropropylene is improved, and the problem of difficult to quickly dissolve solid caustic soda sodium hydroxide is solved.

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Abstract

The utility model relates to the technical field of chemical engineering, and provides a novel dichloropropene purifying device which comprises a stepped tank, a feeding hole is formed in the top of the stepped tank, a flow dividing block is arranged on a rotating shaft, a spiral processing sheet is fixedly connected onto the flow dividing block, an output motor is arranged at the bottom of the stepped tank, and the output motor is fixedly screwed and connected with the stepped tank. The output end of the output motor is inserted into the stepped tank and fixedly connected with the rotating shaft. According to the technical scheme, the problem that in the prior art, temperature loss is fast in the dichloropropene purification process is solved, when solid caustic soda sodium hydroxide is put into crude dichloropropene, the solid caustic soda sodium hydroxide can rapidly settle to the bottom of the tank body, at the moment, the crude dichloropropene is stirred, and the temperature of the dichloropropene is reduced. However, coarse dichloropropene at the bottom of the tank body cannot flow quickly in a common stirring mode, so that solid caustic soda sodium hydroxide is difficult to dissolve in the coarse dichloropropene quickly.
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