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Who Are We?

Changzhou Yimin Drying Equipment Co., Ltd. is China High Shear Mixing Granulator Manufacturers and High Shear Mixing Granulator factory, located in the birthplace of China's drying equipment industry - Jiaoxi Industrial Park, Zhenglu Town, Changzhou City. It is adjacent to the Beijing-Shanghai Expressway, Shanghai-Nanjing Railway, and 5 kilometers from the Hengshan Crossing of the Shanghai-Nanjing Expressway. It is a key backbone enterprise in China's drying industry and pharmaceutical machinery. The company currently covers an area of ​​33,000 square meters and a building area of ​​18,000 square meters. The company has modern large-scale production workshops and equipment, fixed assets of more than 80 million yuan, and more than 120 employees. The founder of the company, Mr. Fan Yiming, has been committed to the research, production and operation of drying equipment for more than 20 years. At the same time, he has also brought together a group of high-quality talents integrating scientific research, design, production and service, and has long-term horizontal cooperation with relevant colleges and universities to continuously update and develop products.

At present, the company has more than 180 sets of processing equipment and strong technical force. It produces more than 2,000 sets of various drying, mixing, granulating, crushing, dust removal, powder screening and other equipment annually. The products have developed into eight series with more than 300 specifications and varieties, which are widely used in pharmaceutical, chemical, food, feed, mining, agricultural and sideline products, electronics, light industry and other industries. The products are distributed throughout the country and exported to the United States, Japan, Russia, Hong Kong, Taiwan and other places.

The factory also has a large test workshop with a full range of prototypes. Customers are welcome to bring materials for testing and ordering.

Changzhou Yimin Drying Equipment Co., Ltd.

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Industry Knowledge Extension

Mixing and granulation process of high shear mixer granulator

High shear mixer granulator is a highly efficient granulation equipment. It quickly mixes powder, liquid and other materials evenly through high shear force, high-speed rotating mixing head and other means, and makes the fine particles in the material bond to each other through shear force, friction and other effects to form particles.

Mixing process
Introduction and premixing of materials:
Powder materials and liquid binders enter the mixing chamber through the feed port according to the formula ratio.
A premixing device is provided in the mixing chamber to perform preliminary mixing of materials to ensure uniform distribution of materials.

High shear mixing:
The high-speed rotating mixing head (usually gear type or paddle type) generates strong shear force to quickly disperse and mix the materials.

Mechanism of shear force generation:
Mechanical shearing: The mixing head rotates at high speed, and the material is repeatedly sheared between the mixing head and the cavity wall to form fine vortices.
Hydraulic shearing: The liquid binder forms a thin film under the action of the high-speed rotating mixing head, which produces a shearing effect on the solid particles.
Collision shear: Material particles move at high shear mixing granulator in the mixing chamber, collide with each other, and generate shear force.

Material crushing: Under the action of high shear force, large particles are broken into fine particles, which increases the contact area between particles and is conducive to the formation of particles.

Granulation process
Formation of particles: During the mixing process, the fine particles in the material increase their surface area under the action of shear force, friction force, etc., and fully contact with the liquid binder.
The liquid binder forms a liquid film on the surface of the particles, which binds the particles together to form primary particles.

Particle growth: Primary particles continue to be subjected to shear force in the mixing chamber, constantly collide and aggregate to form larger particles.
As the water evaporates, the particles gradually harden to form stable particles.

Particle forming: By adjusting process parameters such as rotation speed, shear time, temperature, etc., the particle size, shape and density of the particles can be controlled.