Teaching equipment : Rotary vacuum filter

 

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Rotary vacuum filter

DESCRIPTION

 

The rotary vacuum filter permits flow rates of 500-600 L/h. The required vacuum is generated by a vacuum pump. The system is similar to those found in industry.

The unit is delivered complete with instrumentation and with technical documentation and instructions.

The unit is designed and manufactured to industrial standards.

This unit is designed for various levels and fields of study.

This equipment is designed to enable monitoring of processes.

 

Teaching equipment : Rotary vacuum filter - GPC FR1

TECHNICAL CHARACTERISTICS

1. Rotative filter
- Construction: 316 L stainless steel
- Filtering section: 0.1 mē
- Tight drum consists of a ferrule and a lateral flange, that are carried by a crossing shaft.
The ferrule is divided into two similar sections and is covered by draining panels.
Pipelines for the filtrate extraction link each section to the supplier.
- Rotation speed of the drum: 0.33 at 3 rpm
- Motor efficiency of the drum: 0.18 kW
- A vat supports the drum-shaft bearing. It is equipped with an overflow system, and an emptying pipeline

with valve
- An oscillating agitator (constists of a tandem zig-zag harrow) is controlled by a moto-reducer
- Oscillation number: 27 / min
- Motor efficiency: 1/20 CV
- The discharge of the cake is made by air blowing: 1 m3/h ā 0.6 bar (9 psi)
- The supply is connected to the vat

2. Supply tank
- Capacity: 200 litres - 304 L stainless steel
- Cylinder/cone shaped
- Agitation system: moto-reducer of 0.37 kW -

speed: 0-600 rpm.
- Stainless steel emptying valve

3. Supply pump
- 316 L – stainless steel
- Flow rate: 10-1000 L/h
- 0.37 kW motor

4. Extraction tank for the filtrate
- Capacity: 150 litres - 304 L-stainless steel
- Stitching for vacuum work, with manual valve for vacuum adjustment (option: electro-pneumatic valve for the regulation)
- With pressure and level measurement
- Blowing stitching for the discharge of the cake
- Stainless steel emptying valve

5. Extraction pump for the filtrate
- Pneumatic pump with diaphragm: 0-1200 L/h
- For charged, viscous or corrosive liquids
- Reduced maintenance, Easy starting

6. Vacuum pump
- With liquid rings (lost water: 4 L/min.)
- Aspired air flow rate: 45 m3/h
- Motor's efficiency: 1.5 kW

 

 

Instruments
- Electromagnetic flow meter: stainless steel body, 0 – 2000 L/h, 4-20 mA outlet (for supervision) for the supply of the product to filter
- Capacitive level sensor with PTFE or stainless steel gear, L = 900 mm, 4-20 mA outlet (for supervision) for the extraction tank
- Piezzoresistive pressure sensor: -1 / 3 bar (5 psi), 4-20 mA outlet (for monitoring) on the extraction tank
- Inductive sensor for the rotation speed

Control panel
ON/OFF and electric safety features
ON/OFF of filter drum, pumps, agitator, plate and control of the variation of motors speed are possible (option for supervision)

Safety features
The unit is certified by concerned organisations and is designed to conform with safety standards
CE Certification, ISO 9001Certification
Electric protection, differential breaker
Emergency stop

Pipeline
316 L stainless steel, ž turn valves (stainless steel body), PTFE seal

Frame: stainless steel

PEDAGOGIC APPLICATIONS

 

• Filtration and clarification.
• Influence of the press cake thickness at a constant pressure
• Resistance of the press cake
• Study of continuous filtration
• Working with a constant flow rate
• Influence of pressure, rotation speed of the drum, and the supply flow rate on the filtration process.
• Influence of the concentration of the solution on the filtration process.

Teaching equipment : Rotary vacuum filter - schema GPC FR1

UTILITIES
Electricity: 230 V – 50 Hz
Network water
Evacuation

DIMENSIONS AND WEIGHT
Length: 2 200 mm
Width: 1 000 mm
Height: 1 800 mm
Weight: 150 kg

 

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Rotary vacuum filter



Didatec Technologie - ZA du Parc 42490 Fraisses -  France -   Tel : 33 (0)4 77 10 10 10 -  Fax : 33 (0)4 77 61 56 49   
E-Mail : didatec.technologie@wanadoo.fr