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Difference between revisions of "Primary Belt Cleaners"
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These are installed at a positive angle, these primary belt cleaners would be mounted directly against the head pulley below the normal trajectory path of the material. | These are installed at a positive angle, these primary belt cleaners would be mounted directly against the head pulley below the normal trajectory path of the material. | ||
==Function== | |||
* The function of the primary cleaner is to”scalp“ the belt of the coarse carry back materials which would otherwise overload the secondary and tertiary cleaners. | |||
* In terms of volume, the primary cleaner is responsible for the removal of up to 75% of the total carry back and is an essential part of the system. It has the added advantage of placing the carry back directly into the flow of material. | |||
* The course materials do not cause a problem of carry back. This is normally because of the fine and sticky particles in the mix of material. | |||
* These fine and sticky particles are removed by the secondary and tertiary cleaners. | |||
==Specifications== | ==Specifications== | ||
* Mounted on the head pulley. | * Mounted on the head pulley. | ||
* Blade is always narrower than the belt width. | * Blade is always narrower than the belt width. | ||
* Ideally, the blade covers just the belt’s material path. | |||
* Removes the big stuff. | |||
==Carry back== | ==Carry back== | ||
Carry of Primary belt cleaners can lead to: | Carry of Primary belt cleaners can lead to: | ||