A cooling device for polyurethane production

CN224689363UActive Publication Date: 2026-08-28DALIAN ZHONGHAIDA TECH CO LTD
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Patent Information

Application Number
CN202521902343.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-04
Publication Date
2026-08-28
Estimated Expiration
2035-09-04

AI Technical Summary

Technical Problem

聚氨酯常规冷却过程中,一般在夹套罐的夹层中加入冷媒,将夹套罐内加入需要冷却的聚氨酯溶液,通过夹层内的冷媒将热量带走,为了提高冷却效率会对聚氨酯溶液进行搅拌,然而,由于冷媒位于夹层中,聚氨酯溶液中心的温度高、靠近夹套罐内壁的温度低,仅通过搅拌无法有效地将位于中心的高温溶液输运到靠近罐壁的低温区域进行充分热交换,导致冷却效率低,同时,聚氨酯溶液温度降低后密度和粘度上升,温度较低、密度较高的溶液向下流动形成分层,导致温度较高的上层溶液与温度较低的下层溶液之间因密度分层而难以混合,从而降低了两者之间的热交换效率

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Abstract

A cooling equipment for polyurethane production relates to the field of polyurethane device, including base, support frame, lifting mechanism, jacketed tank and sealing cover, the base is connected with the lifting mechanism, the jacketed tank is fixedly connected with the base through the support frame, the sealing cover is connected with the jacketed tank, the jacketed tank is equipped with the center outward expansion type flow guide component, the center outward expansion type flow guide component includes servo motor, rotating shaft, outward expansion stirring assembly and pressing stirring assembly, the sealing cover is equipped with through hole, the servo motor is fixedly connected with the lifting mechanism, the power output end of the servo motor is fixedly connected with the rotating shaft, the rotating shaft is rotatably connected with the sealing cover through the through hole of the sealing cover, the outward expansion stirring assembly is fixedly connected with the outer wall of the rotating shaft in the jacketed tank, the pressing stirring assembly is fixedly connected with the outer wall of the rotating shaft between the outward expansion stirring assembly and the sealing cover, the beneficial effect: avoid the center high temperature solution that cannot directly contact the inner wall of the jacketed tank near the refrigerant and lead to low cooling efficiency, improve the cooling efficiency of polyurethane.
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Citation Information

Patent Citations

  • Cooling device for polyurethane sealant production

    CN220446962U