Waste heat recovery material preheating device for film production extruder
CN224689563UActive Publication Date: 2026-08-28WUXI BEIJIADE MASCH TECH CO LTD
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Patent Information
- Application Number
- CN202521945281.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-10
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-09-10
AI Technical Summary
Technical Problem
目前普遍采用的冷却方式是：进料段和计量段分别使用独立的冷却系统，如风冷或者水冷，优点在于能够分区控温，实现定向精准冷却，但通常被加热的冷却水和冷却风直接排走或进入冷却塔降温后循环，能耗较大，且大量热量被浪费，而物料的加热则直接通过加热线圈来完成，在没有预热的情况下，所需功耗较大
Benefits of technology
[0012]有益效果：本实用新型的薄膜生产挤出机的余热回收物料预热装置，将原本废弃的余热用于预热物料，实现了挤出机自身废热的梯级利用，大幅降低了物料预热所需的电耗或蒸汽消耗，节能效果显著。在此基础上，通过多路温度传感器和执行机构（水泵、阀门、风冷）的联动，实现了对进料段温度、回收热水温度、计量段温度的精确闭环控制，系统响应快，温度波动小，产品质量更稳定。将原本独立的冷却系统与预热系统有机整合为一个智能温控系统，各部件协同工作，自动化程度高，减少了人为干预。通过补冷水旁路和三通阀的设计，可以灵活调节预热热源的温度，适应不同物料的预热工艺要求，并防止温度过高带来的安全风险。
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Abstract
The utility model discloses a waste heat recovery material preheating device of film production extruder, is integrated on extruder body, extruder body includes feeding section cylinder, heating section cylinder and metering section cylinder in proper order along material direction, material preheating device includes cooling water supply line, series connection cooling circuit and material preheating device, series connection cooling circuit includes feeding section water cooling jacket and metering section water cooling jacket of sequential intercommunication, and the water outlet of cooling water supply line is connected with the water inlet of feeding section water cooling jacket, and the water outlet of metering section water cooling jacket is connected with the hot fluid inlet of material preheating device through pipeline, the utility model discloses can utilize the waste heat of extruder itself to preheat material, and guarantees the temperature stability of material in the temperature stability of material in the unloading section and metering section.
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