Slotted-vessel samplers
The Slotted-vessel sampler, also known as a slotted-vessel sampler, is used to sample materials at the belt head or at the belt transfer point.
The Hammer sampler is used for sampling materials from belt conveyors. It automatically takes a representative cross-section sample from the belt.
Advantages
- A simple, low-maintenance and very reliable design
- Reliable removal of fines from the belt base thanks to the integrated brush and scraper
- No conversion from 3-section to > 5-section castor chairs necessary
- Hardly any modifications to existing conveyor systems for retrofitting
- Safe monitoring of the position of the sample hammer
- Reliable stop of the sample hammer thanks to the disk brake attached to the gear motor
- Lower primary sample quantities compared to spoon samplers
- Available for all belt widths, speeds and conveyor capacities used on the market
Operating behavior & mechanical features
The Hammer sampler is used for sampling materials from belt conveyors. The sampling principle of the sampler is similar to that of the staking plate, which serves as a reference sample from the stationary belt. The Hammer sampler guides this staking plate, which is closed on one side, in a circular motion through the moving material flow on the belt. It thus automatically takes a representative cross-section sample from the belt, which corresponds to that of the staking plate.
To ensure that the belt is not damaged and to obtain a complete and representative sample, the shape of the sampler must be adapted to the different belt cross-sections and belt troughs.
This also includes the use of brushes and rubber wipers, which ensure that the fines adhering to the base of the belt are discharged into the sample and do not remain on the belt.
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Hammer sampler for limestone
Hammer sampler for coal
Hammer sampler principle
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