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Technical guide for anti-caking of viscous materials treated with vacuum rake dryers

WeTop vacuum rake dryer adopts intelligent rake tooth system, multimodal temperature control and nano anti-stick coating technology to effectively solve the problem of drying and agglomeration of viscous materials in the chemical and pharmaceutical industries. By dynamically adjusting the rake tooth parameters, precise temperature control in 5 sections and graphene coating, the production capacity has been increased by 50-65%, and the moisture content CV value is less than 1.5%. It has successfully served global customers such as BASF and Pfizer.
2026-06-24 0

Overview of industry pain points and solutions

In the chemical, pharmaceutical, food and other industries, the problem of agglomeration during the drying of viscous materials directly affects production efficiency and product quality. WeTop vacuum rake dryers use AIoT intelligent system to provide customized anti-blocking solutions to customers around the world.

Analysis of core technologies

1. Intelligent harrow tooth system

- Dynamic adjustment technology: adjust the speed of harrow teeth (10-50rpm) and spacing in real time based on material viscosity

- 3D material motion simulation: 45° helical harrow teeth optimized by EDEM software

- Germany's Bosch Rexroth hydraulic drive system ensures 10,000 hours of continuous operation without failure

2. Multi-modal temperature control system

- 5-section independent temperature control: temperature gradient control in drying zone/transition zone/cooling zone

- Infrared thermal imaging + thermocouple dual monitoring system

- Energy recycling device saves energy consumption by 25-40%

3. Nanocomposite anti-stick coating

- Using graphene-reinforced PTFE composites

- Surface roughness Ra≤0.2μm

- Passed ISO 9001/13485 dual certification

Globalization application cases

Solutions provided to customers such as BASF in Germany and Pfizer in the United States:

- Average production capacity increase: 50-65%

- Product moisture content CV value: 1.5%

- ROI cycle: 8-14 months

Why choose WeTop?

- 15 years of focus on viscous material processing- 76 related patented technologies- 24/7 multi-language technical support