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Vacuum Disc Dryer

August 30, 2023

Wuxi Zhanghua's vacuum disc dryer has been proven to be applicable to drying sensitive, sticky paste and other "difficult-to-handle" materials, and even ones in high viscosity, with excellent discharge performance and operation cycle.

Designed for situations when materials are frequently changed, the equipped online cleaning system can work in good performance and makes it easily verified. Microwave heating function can further improve the drying effect.

The system can be installed dependently for discharging, sampling and residual removal.

 

 Working principle

 

Inert

Before feeding the wet filter cake and filtrate, fill the container with nitrogen to remove the oxygen inside. This can prevent the potentially explosive atmosphere inside the container.

 

Feed

After inert, the wet filter cake goes from the centrifuge, filter drier, or in the form of filtrate to the drier.

 

 

 Dry

The vacuuming and heating of the dryer are carried out simultaneously for good effect. During the process, keep stirring the material and remain a state of vacuum and constant temperature (acceptable temperature of the material) until the humidity of the material reaches the requirement.

 

 Cool

After dried, the material needs to be cooled before discharge.

 

 

 Discharge

 

The dried and cooled material is delivered to the discharge valve by the agitator and discharged through the valves on both sides.

 

Clean

 

It carries out a comprehensive and effective cleaning of the insider of the dryer.

 

 

  Technical Parameters

Features

  1. • Calculation, design and manufacture complies with Pressure Vessel Directive 97/23/EG, Section VIII of ASME Pressure Vessel Code, cGMP and FDA.

  2. 2. EG Type Examination Certificate 03ATEX0246X, UL verifiedelectronic components are fordouble-layer mechanical seal and bellows, double-acting mechanical seal, contact or non-contact gas seal and liquid seal during no-load operation

  3. Sampling valve

  4. Stainless steel hydraulic pre-distribution pipes, stainless steel pre-wiring on the junction box

  5. Complete CIP system

Options

  1. Sterile version, residualremovallayer, isolator (glove box), DQ, IQ, OQ validation.

  2. Fully automatic PLC control, connected to PMSX.

Technical Parameters

 

Dryer

Internal Area

(Ømm)

Heating Area
(m²)

Nominal Volume

(L)

Stirring Volume
(L)

Speed
(1/min)

Drive
(kw)

TD 0.8/1.1

500

1.4

100

73

90

5.5

TD 1.5/2.3 

710

2.5

235

158

65

7.5

TD 2.3/3.5 

800

3.4

350

250

60

11.0

TD 3.8/5.6 

970

4.4

560

380

50

15.0

TD 6.6/9.7 

1140

6.3

970

660

42

18.5

TD 8.0/12

1270

7.3

1200

820

37

22.0

TD 12/17

1460

9.7

1750

1250

33

30

TD 17/25

1650

12.1

2560

1700

29

37

TD 21/32

1850

14.3

3220

2150

26

45

TD 25/37 

2000

16.0

3770

2500

24

55

TD 32/50 

2250

19.3

4890

3200

21

75

TD 40/60

2500

22.5

6030

3950

19

90

 

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