Ruibo Dryer logoRuibo Dryer

News & Insights

Technical articles from our engineering team

Practical guidance on drying and mixing technology, equipment selection, and process considerations for chemical, pharmaceutical, and food processing applications.

Technical ArticleJune 2, 2026

Vacuum Drying Principles: Why Lowering Pressure Lowers Temperature

A practical look at why vacuum drying allows moisture to evaporate at reduced temperatures, and what that means for heat-sensitive and solvent-laden materials.

Read article
Technical ArticleMay 18, 2026

Drying Heat-Sensitive Materials: Key Considerations for Process Engineers

How to approach drying for materials that degrade, discolor, or lose activity when exposed to excess heat or oxygen.

Read article
Technical ArticleMay 4, 2026

Solvent Recovery in Vacuum Drying: How Closed-Loop Systems Work

An overview of how vacuum drying systems capture and recover organic solvents instead of releasing them to atmosphere.

Read article
Technical ArticleApril 21, 2026

Spray Dryer Selection: Matching Atomization to Your Liquid Feed

A guide to the factors that determine whether centrifugal spray drying is the right fit for converting a liquid feed into powder.

Read article
Technical ArticleApril 5, 2026

Fluidized Bed Drying Basics: Uniform Drying Without Dead Zones

How vibrating fluidized bed dryers keep powders and granules moving uniformly through the drying and cooling process.

Read article
Technical ArticleMarch 14, 2026

Paddle Dryer vs. Rake Dryer: Choosing the Right Agitated Dryer

A side-by-side look at hollow blade paddle dryers and vacuum rake dryers to help clarify which agitated drying design fits a given process.

Read article
Technical ArticleOctober 11, 2026

Conical Vacuum Dryer Sizing & Configuration

How to size a conical vacuum dryer: material inputs, heat-load and jacket-area calculation, fill ratio, vacuum duty, and export compliance.

Read article
Technical ArticleOctober 12, 2026

Rotary Vacuum Paddle Dryer: Working Principle

A rotary vacuum paddle dryer dries paste, filter cake and powder by conduction under vacuum. How the internal geometry works, and how to size one.

Read article
Technical ArticleOctober 14, 2026

Rotary Paddle Dryer: Pastes and Sludges

A rotary paddle dryer handles paste and sludge by agitated conduction under vacuum or in a sealed trough. Which feeds fit, and how to size the duty.

Read article
Technical ArticleOctober 20, 2026

Testing a Material Before You Buy a Vacuum Dryer

What a drying test should measure, what sample to send, and how the results decide the model, the jacket medium and the cycle time.

Read article
Technical ArticleOctober 21, 2026

Conduction vs Convection Drying: Which Fits Your Material?

Conduction and convection move heat into a wet solid in different ways. This guide shows how to tell which mode your material and plant can support.

Read article
Technical ArticleOctober 26, 2026

How to Tell When a Vacuum Dryer Batch Is Finished

A batch is finished when four independent signals agree, not when the clock runs out. Here is what to watch, and what each signal can and cannot prove.

Read article
Technical ArticleOctober 28, 2026

Steam, Hot Water or Thermal Oil: Choosing a Dryer Heating Medium

The heating medium decides your temperature ceiling, your jacket rating and your utility pipework. Here is how to choose before your enquiry goes out.

Read article