DTB crystallizer

The DTB crystallizer is a professional equipment widely used in the chemical, pharmaceutical and salt chemical industries for large crystal particles worldwide

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Product Description
Working principle
Case example
FAQ

What is a DTB Crystallizer？

The DTB crystallization vessel (Draft Tube Baffle Crystallizer) is a continuous crystallization equipment capable of producing crystals with large particle size, regular morphology and narrow particle size distribution.

It achieves: Through the special structure of the inner circulation Draft Tube + outer circulation zone + Baffle
Efficient cycle
Stable over-saturation control
A controllable crystal growth environment
It is applicable to industries that require high-purity and large-particle products, such as:
Potassium chloride, sodium chloride, alum, urea, alumina, fine chemicals and other materials.

Working principle

Working process of DTB crystallizer

The materials enter the crystallization kettle

The Draft Tube and the impeller form an upward circulating flow

The outer circulation zone forms a downward flow

Temperature/evaporation causes the solution to enter the supersaturated zone

Crystal nucleus formation → long-term growth in the reactor

It is automatically discharged from the bottom after reaching the target particle size

The mother liquor is returned for circulation and continued to be used

Core principle: Through a stable and slow circulating flow field, allow the crystal to grow fully and reduce breakage.

Case example

FAQ

Which materials are suitable for DTB?
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It is suitable for the production of materials with large particles and regular crystals, such as chlorides, sulfates, nitrates, etc.
What are the differences between DTB and ordinary crystallization kettles?
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DTB is more suitable for projects that require continuous production and strict particle size control.
Is non-standard customization supported?
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Support. The structure, volume, material, impeller type and automation system can all be customized.
Can it be used together with the MVR evaporation system?
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Sure, it's very common and can significantly reduce energy consumption.

Hainan Yongtuo Win-Win International Trade Co., Ltd

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