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Double Cone Rotary Vacuum Dryer

Double Cone Rotary Vacuum Dryer

SZG Double Cone Rotary Vacuum Dryer is indirect-heating vacuum tumble dryer, which is used to dry heat-sensitive or oxygen-sensitive wet powders or granular raw materials in food, chemical and pharmaceutical industry. 

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Working Principle:  Türkiye

SZG Double Cone Rotary Vacuum Dryer is indirect-heating vacuum tumble dryer. The bi-conical drying chamber has heat jacket which can be filled with hot water, steam or thermal oil for heating. 

During the operation, the bi-conical drying chamber rotates at low speed to continuously mix and renew the wet material in contact with the heated wall. Lump breaker can be installed on the drying chamber to disintegrate the lumps for uniform drying. The evaporated moisture is sucked out by the vacuum pump. If the evaporated moisture needs to be recovered, tubular condenser and receiving tank can be installed. 

SZG Double Cone Rotary Vacuum Dryer is widely used to dry wet powders and granular raw materials in food, chemical and pharmaceutical industry, especially heat-sensitive or oxygen-sensitive raw materials. 

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Technical Features: 

  • Versatile application: The central body is a bi-conical chamber which can rotates with different speed and direction. Except drying or extracting solvents, it also can be used as an effective fast blender or homogenizer.
  • GMP sanitary design: The drying chamber is made according to GMP standard which is mirror polished, no blind angle for washing or cleaning and safe for both operators and products.
  • Multi-product: The drying chamber can be lined with glass or enamel interior surface for high corrosive materials. 
  • Fast and uniform drying: High speed cutter (or lump breaker) can be equipped to break the lumps or agglomerates for fast and uniform drying. 
  • Effective filtering system: The vacuum filtering unit can perfectly filter out the powder and just let solvent vapors go through with very low pressure drop.

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Technical Parameters:

Model SZG-500 SZG-1000 SZG-2000 SZG-3000 SZG-5000
Drying chamber volume (L) 500 1000 2000 3000 5000
Load capacity (L) 200 400 800 1200 2000
Rotation speed (RPM) 0-13 0-13 0-5 0-4 0-4
Drive motor (KW) 1.5 3 5.5 7.5 15
Vacuum degree (Mpa) -0.08-0.09
Jacket working pressure (Mpa) ≤0.3
Installation dimension (mm) 2350x800x2250 2860x1300x2800 3260x1400x2990 3760x1800x3490 4400x2500x4200
Gross weight ( kg) 1200 2800 3600 6400 8600

Note: Our SZG Double Cone Rotary Vacuum Dryer is available in many sizes and configurations. The above models with typical design are indicative only. 

FAQ: 

Q: What information is needed in order to get a quote? 

A: Our Double Cone Rotary Vacuum Dryer is customized according to specific raw material, drying capacity, heat source etc . The following information is needed to work out a detailed quote:

1) Raw material name, bulk density and particle size etc. Samples might be needed for trial production or drying tests. 

2) Moisture content before drying; target moisture content in dried product. 

3) Drying capacity/input in kg/h? 

4) What heat source will be used for drying? Steam, hot water or hot thermal oil. 

5) Suggested drying temperature 

6) Power supply type. 220V/380V/415V/440V, 50/60Hz, three phase. 

Q: What is your normal lead time? 

A: All our machines are customized. The normal lead time is 40-50 days after receiving the advance payment.

Q: How the machine is packed?

A: The machine is packed in standard plywood box; 

Q: What kind of after-sale service can you provide? 

A: 1)  All our machines are fully tested before shipping. Detailed operation manual, which includes photos, installation & operation videos, layout drawings, electric drawings etc. is delivered with the machine. So the end-user can easily install and operate the machine. 

2) In response to cutomer's invitation, technicians can be sent to the end-user's workshop for installation, commissioning and training. 

3) Provide life-long technical consultation and favorable spare parts. 

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