Due to the different arrangements and designs of the drive for the slotted vessel, this sampler can be adapted to many installation conditions and allows sampling from material flows of a few kilograms per hour up to 5-digit tonnages per hour.
Advantages
- Design that enables extremely good adaptation to the given local conditions
- A high tolerance to impurities contained in the product flow
- Application-specific bucket truck drives via steel chains, rubber block chains or toothed belts
- Travel drives to be arranged individually according to local conditions
- Full integration of the sampler in belt transfers
- Variable travel speeds of the sampler via frequency converter
- Large bucket volumes up to 2000 dm³
Operating behavior & mechanical features
The Slotted-vessel sampler, also known as a spoon sampler, is used for sampling materials at the belt head or at the belt transfer point. This sampling principle is based on a slotted vessel with a defined inlet gap, perpendicular to the incoming material flow, which captures the entire thickness of the material flow at a constant speed.
The tray sampler travels through the product flow from the waiting position, usually with the bottom flap open, and closes it when it reaches the reverse position. With the bottom flap closed, the sampler now moves back through the product flow at a constant speed and takes the representative sample.
When the usually conical container reaches the waiting position, the bottom flap is opened via stops and a sophisticated lever system and the slotted container is emptied.
The waiting position of the sampler is always outside the flow of material, so that the sharpening vessel neither disturbs the material flow nor is exposed to permanent wear.
Spoon samplers in different versions
This version of the bucket sampler is available with different track arrangements and can therefore be adapted to many installation situations. Guiding the sampling bucket in a circular path is another design option. The slotted vessel samplers are available as:
- Spoon sampler with hanging spoon
- Bucket sampler with overhanging bucket
- Bucket sampler with bucket in the roadway
- Swivel arm sampler
- Swivel sampler
Gallery
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Spoon sampler - Gravel
Spoon sampler - alternative drive variant - side view - quicklime
Spoon sampler LPN
Swing sampler - Nickel concentrate
Bucket sampler in the coal-fired power plant
Spoon sampler LPN
Spoon sampler - principle
Swing sampler - principle
Spoon sampler LPN for coal
Spoon sampler LPN
Spoon sampler LPN - ore concentrate
Spoon sampler
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