A dry granulator with heat protection function

By setting cooling channels and air-cooled cleaning mechanisms inside the pressure roller, the adhesion problem caused by heat accumulation in the pressure roller is solved, and the pressure roller is effectively cooled and cleaned, ensuring the surface quality of the formed sheets from the dry granulation machine.

CN224422777UActive Publication Date: 2026-06-30TIANJIN LISHENG PHARM CO LTD
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Patent Information

Application Number
CN202520944072.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-14
Publication Date
2026-06-30
Estimated Expiration
2035-05-14

AI Technical Summary

Technical Problem

During the high-pressure extrusion process, the pressure rollers of the dry pellet mill generate heat, causing the material to soften or melt and adhere to the roller surface, affecting the surface quality of the formed sheets.

Method used

Cooling channels are set inside the pressure roller, and water inlet and outlet channels and temperature detection are provided. Combined with the air-cooled cleaning mechanism, cleaning rollers and cleaning brushes are used to remove the adhesive, avoiding heat accumulation and adhesion.

Benefits of technology

It effectively reduces the temperature of the pressure roller, prevents sticking, ensures a smooth surface of the formed sheet, and improves product quality.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224422777U_ABST
Patent Text Reader

Abstract

The utility model discloses a dry granulator with heat protection function, and a plurality of cooling cavities are arranged along the long axis direction of the compression roller inside the compression roller, one end of the compression roller is provided with a water inlet cavity in communication with one end of the cooling cavity, the other end of the compression roller is provided with a water outlet cavity in communication with the other end of the cooling cavity, a thermometer is arranged on the compression roller body to detect the temperature of the side of the compression roller close to the water outlet end, the surface of the compression roller is provided with an air cooling cleaning mechanism to clean the adhesive on the surface of the compression roller, the thermometer detects the temperature of the side of the compression roller close to the water outlet end, which avoids the high temperature of the compression roller close to the water outlet end and the easy occurrence of the adhesive phenomenon, and the water inlet amount and speed can be controlled conveniently, so that the compression roller has a good cooling heat protection effect.
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