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BEG 2000

Generation of test aerosols from powder, dust, pollen, etc.; mass flow approx. 8 g/h – 7.3 kg/h with automatic mass flow monitoring

•    Excellent short-term and long-term dosing constancy
•    Easy to operate
•    Quick and easy to clean
•    Remote control or computer-controlled
•    Pulse mode
•    Easy to fill while in operation
•    Large reservoir (1500 cm3)
•    Automatic mass flow control with the BEG 2000
•    Robust design, proven in industrial applications
•    Reliable function
•    Reduces your operating expenses
•    Low maintenance

Description

With automatic mass flow control

The dosing unit on the BEG 2000 is continuously weighed for automatic mass flow control. The data from a touchscreen PC are continuously acquired and analyzed via a serial interface. As a result, the dispersed quantity of powder is always known and able to be automatically adjusted.

Dosing output on the BEG 2000 controlled using internal firmware
•    Input of the mass flow in g/h
•    Automatic mass flow control
•    Recording of powder-specific calibration curves
•    External control via PC or Modbus RTU
•    Network-compatible

Function

The powder to be dispersed is simply poured into the reservoir (see Fig. 1). A stirrer at the bottom of the reservoir ensures uniform loading of the conveyor belt. A rabble arm and various built-in components in the reservoir prevent bridging in the reservoir.


Fig. 1: Principle of operation of the BEG 1000/BEG 2000

Dosing

The desired mass flows are able to be continuously and reproducibly adjusted with a controlled drive on the conveyor belt The even, smooth conveyor belt, the built-in components in the reservoir, and the precise drive on the conveyor belt ensure excellent dosing constancy. Automatic readjustment is possible up to approx. 100 g/h.

Pulsed operation

The system can be operated in “powder”/”no powder” pulse mode with the “Stop” and “Belt” control keys and an electric timer switch in cycles of up to 5 sec, depending on the mass flow.

Dispersing

The ejector nozzles we developed provide excellent dispersion for various volume flows.

Datasheet

Volume flow

5 – 10 m3/h

Power supply

115 – 230 V, 50 – 60 Hz

Particle material

Non-cohesive powders and bulks

Dosing time

Several hours nonstop

Maximum particle number concentration

ca. 107 particles/cm3

Mass flow (particles)

Type A: 8 g – 550 g/h (with reference to SAE Fine, A2 dust), Type B: 100
– 6,000 g/h (with reference to SAE Fine, A2 dust), Type C: 350 – 7,300
g/h (with reference to SAE Fine, A2 dust)

Particle size range

0.1 – 200 µm

Carrier/dispersion gas

random (generally air)

Pre-pressure

4 – 8 bar

Compressed air connection

Quick coupling

Aerosol outlet connection

Type A: Øinside = 6.4 mm, Øoutside = 10 mm, Type B: Øinside = 8 mm, Øoutside = 12 mm, Type C: Øinside = 6.2 mm, Øoutside = 10 mm

Reservoir volume

1,500 cm3

Filling quantity

500 g

Benefits

•    Excellent short-term and long-term dosing constancy
•    Easy to operate
•    Quick and easy to clean
•    Remote control or computer-controlled
•    Pulse mode
•    Easy to fill while in operation
•    Large reservoir (1500 cm3)
•    Automatic mass flow control with the BEG 2000
•    Robust design, proven in industrial applications
•    Reliable function
•    Reduces your operating expenses
•    Low maintenance

Applications

•    Filter industry:
      -   Loading test of
         -    engine filters as per ISO 5011
         -    Hot gas filters
         -    Bag filters
         -    Air filters
         -    Cyclones
      -   Engine crash tests
•    Chemical and pharmaceutical industry
•    Cement industry