Vezin Sampler with Mixing Tank (VSMX)

What’s the benefit?

The Vezin Sampler with Mixing Tank is:

  • An efficient sampling solution combining two parts of the sampling operation into one step.
  • Well suited for relatively small volumes of bulk material in particular powdered material with lumps up to 40 mm.
  • Highly accurate and robust.
  • Easy to install and operate.
  • Designed for primary, secondary and tertiary cross-stream sampling of falling streams of material.
  • Equipped with an easily accessible hatch for easy inspection/ maintenance.

 

VSMX Product Brochure.

To find out more about our Vezin Sampler
with Mixing Tank (VSMX) please feel free to
download product brochure:

 

Link to brochure

Jan Flemming Jørgensen

Sales Director

What does it do?

The Vezin Sampler Mixing Tank (VSMX) consists of two combined units. The Vezin sampler is designed to extract increments from a vertically falling primary material stream (see VS). The second unit, the mixing tank (MX), collects a specified number of extracted increments in a mixing and homogenising tank. This unit ensures that the primary sampled material at all times is well mixed by means of an impeller and thus represents the average primary material captured by the VS.

Variant 1 (standard):

The Vezin Sampler Single Mixing Tank (VS-SMX) has one cutter that extracts one representative increment per rotation.

Variant 2:

The Vezin Sampler Dual Mixing Tank (VS-DMX) has two opposing cutters which enables extraction of two representative increments per rotation, both delivered to a common mixing tank.

How does it do it?

The first unit, the VS, is fully enclosed by a funnel-shaped housing which supports a gear motor driving a vezin type cutter rotating around a vertical axis. The cutter head is radially delineated with dimensions and working velocity designed to be individually optimized for each specific material. A hatch on the top of the VS allows easy access for easy access for cleaning, maintenance, inspection and exchange of cutter heads.

When triggered the VS extracts a representative increment per rotation which is ducted directly into the second unit, the mixing tank (MX). After each completed rotation, the cutter is parked in a safe position away from the material flow (avoiding influx of extraneous material and cross-contamination of sample). Reject material passes directly through the VSMX. Acceleration and deceleration from the parking position takes place well outside the cutting zone, ensuring a constant operational cutter speed.

This second unit MX ensures that the sampled material at all times is being mixed by means of an impeller and represent the average material captured by the VS. The mixing tank can be provided with an observation window and has an overflow to safeguard against overfilling. Excess sample material is returned to the main material stream passively by gravity. The mixing tank can be discharged by means of an automatic operated gate at the bottom of the mixing tank. The material can be discharged into either a bucket or into a chute for further processing.

What are the technical details?

Housing: Stainless Steel AISI 304/316 or painted carbon steel
Railing system: Stainless Steel AISI 304/316 or painted carbon steel
Carriage: Stainless steel AISI 304/316 or painted carbons steel with Hardox impact plate
Instruments: Inductive Position switches
Gear Motor: SEW or similar

The VS is delivered with either a local control unit or/and is controlled by a M&W central control cabinet depending on concept and preference. The M&W central control cabinet consist of motor control center, circuit breakers, PLC-system and man machine interface.

Drive: Sampler: Type: Helical geared motor and toothed V-belt drive. Mixer: Type: 0.55 kW geared motor, 4 pole, 36 rpm. Outlet mixer: Type: Hydraulic actuator. Voltage: 3 x 400 V, 50 Hz.

Options

The M&W JAWO Sampling central control cabinet can exchange signals with the client’s control system.

Nota Bene 1

Vezin Samplers can be calibrated with respect to the client’s material(s) and local sampling conditions. M&W JAWO Sampling offers clients a facility for quantitative assessment of the performance of the VS on the client’s own material(s), following one of several types of tests, e.g. Replicate Experiment (RE) or variographic characterisation.

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