Explosion-Proof Conical Screw Vacuum Dryer for Safe Solvent Processing
Designed for safety in hazardous environments, this conical screw vacuum dryer features explosion-proof grade ExdIIBT4, ensuring secure drying of flammable and explosive materials. It offers a volume range of 150L to 13500L and agitator speeds of 5-30 rpm.
Key Features
Explosion-proof grade ExdIIBT4 ensures safe operation with flammable substances
Effective loading volume ratio 0.5-0.7 optimizes batch capacity
Adjustable agitator speed (5-30 rpm) provides control over drying process
Internal surface roughness Ra ≤ 0.4-0.6 μm for easy cleaning and product purity
Available in SS304, SS316L, titanium, Hastelloy, or PTFE lining to match chemical compatibility
Integrated desolvation and dehydration reduces processing steps
Technical Specifications
Model Range
150L-13500L
Effective Loading Volume
0.5-0.7
Agitator Rotating Speed
5-30 rpm
Internal Surface Roughness
Ra ≤ 0.4～0.6 μm
Explosion-proof Grade
ExdIIBT4 (standard)
Materials of Construction
SS304, SS316L, Titanium, Hastelloy, PTFE lining
Models and Options
Multiple models from 150L to 13500L. Options include different material selections, customized speed ranges, and additional safety features for enhanced protection.
Materials and Structure
The dryer is constructed with materials suited for the processed chemicals, and the explosion-proof design meets ExdIIBT4 standards. The conical shape with screw agitator ensures efficient mixing and heat transfer, while the smooth internal surface minimizes contamination.
Applications
Specifically suited for fine chemicals, pharmaceuticals, and new energy industries where solvents like ethanol, methanol, or other flammable liquids are used. It safely recovers solvents under vacuum.
Customization
We offer customization of volume, material, and speed to meet specific process requirements. Contact us for tailored solutions.
FAQ
Q: What does ExdIIBT4 mean? A: It indicates the equipment is explosion-proof, suitable for Zone 1 and 2 hazardous areas with gas group IIB and temperature class T4.
Q: Can it handle high-pressure operations? A: While it is a vacuum dryer, it is designed to withstand the required pressure for vacuum and heating.
Q: Is the explosion-proof version available in different sizes? A: Yes, we offer the explosion-proof option across all sizes from 150L to 13500L.
Q: What materials can be used for solvent recovery? A: The dryer can process materials with flammable solvents; it ensures safe recovery under vacuum.
Q: How do I get a quotation? A: Please contact our sales team with your specifications.
Q: Are there any certifications? A: Yes, the equipment can be certified to ATEX and other international standards.
Q: What is the delivery time? A: Delivery time depends on the configuration; please inquire.
Inquiry Information
Contact us at +86 181-1890-2332 or email vincent_zhang@zhanghuayaoji.com for more information.
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