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Option: Cleaning system
Cleaning system - Cleaning from the top
The cleaning system is installed above the star sieve-screen equipment.
The spacing between the sieve-stars and the cleaning system is sufficiently large to ensure an unrestricted flow of material during the sieve-screening process.
The cleaning process can be driven electrically or hydraulically dependent on the version installed (corresponding to previous sieve-screen fractioning employed). The functioning principle is the same for both versions.
The cleaning routine is triggered automatically as required by the contaminated state of the system. This facility is also dependent on the version installed, and is also coordinated with the current application in function.
The spacing between the sieve-stars and the cleaning system is sufficiently large to ensure an unrestricted flow of material during the sieve-screening process.
The cleaning process can be driven electrically or hydraulically dependent on the version installed (corresponding to previous sieve-screen fractioning employed). The functioning principle is the same for both versions.
The cleaning routine is triggered automatically as required by the contaminated state of the system. This facility is also dependent on the version installed, and is also coordinated with the current application in function.
Cleaning system
The cleaning routine can also be triggered by a preset pressure setting, for example at 140 bar. With the hydraulic drive, this function can be operator-friendly programmed and saved in the control software, or also via a predefined time window, as well as by manual operation by the operator as required.
The number of 'cleaning calendars' is coordinated with the star sieve-screen system involved as well as with the momentary individual application in operation, and can be reduced or extended without difficulty.
The action of the cleaning calendars permits a cleaning of the 'hubs', being the areas between the sieve-screen stars, as well as for cleaning the areas between the sieve-screen fingers.
The cleaning system is individually adjusted to accommodate the sieve-screen stars and the distribution facilities. The cleaning process is triggered by- and terminates loading operations. This can be enabled, for example by halting the material bunker or a job unit. In the seconds following, the sieve-screen deck switches over to the 'freewheeling' - clearing mode, so that the area to be cleared is freed from any already loaded material.
The number of 'cleaning calendars' is coordinated with the star sieve-screen system involved as well as with the momentary individual application in operation, and can be reduced or extended without difficulty.
The action of the cleaning calendars permits a cleaning of the 'hubs', being the areas between the sieve-screen stars, as well as for cleaning the areas between the sieve-screen fingers.
The cleaning system is individually adjusted to accommodate the sieve-screen stars and the distribution facilities. The cleaning process is triggered by- and terminates loading operations. This can be enabled, for example by halting the material bunker or a job unit. In the seconds following, the sieve-screen deck switches over to the 'freewheeling' - clearing mode, so that the area to be cleared is freed from any already loaded material.
with automatically or manually starting of Stars-Cleaning
This stage is completed within a few seconds.
When shutting down the sieve-screen calendars, whilst the sieve-screen deck is running, the interrelated positioning of the sieve-screen fingers is lightly influenced by a slightly applied pressure. This has the effect of freeing up clumpings of material to the extent of practically 100% from between the spaces between the fingers, and the material is then reintroduced into the sieving process laterally via the area of the hubs within the sieving process itself.
The subsequent displacements around the shaft spacing, enable the cleaning of the hub.
The cleaning system is then returned to the departure position, after a brief cleaning of the sieve-screen fingers, against the direction of the sieve-screen star run.
This enables the 'fingers' on the subsequent sieve-screen shafts to be repeat cleaned.
In summary, the cleaning system provides the following advantages:
When shutting down the sieve-screen calendars, whilst the sieve-screen deck is running, the interrelated positioning of the sieve-screen fingers is lightly influenced by a slightly applied pressure. This has the effect of freeing up clumpings of material to the extent of practically 100% from between the spaces between the fingers, and the material is then reintroduced into the sieving process laterally via the area of the hubs within the sieving process itself.
The subsequent displacements around the shaft spacing, enable the cleaning of the hub.
The cleaning system is then returned to the departure position, after a brief cleaning of the sieve-screen fingers, against the direction of the sieve-screen star run.
This enables the 'fingers' on the subsequent sieve-screen shafts to be repeat cleaned.
In summary, the cleaning system provides the following advantages:
- optimum capacity exploitation
- as the cleaning system is only enabled as required, no unwanted wear and tear is experienced, as against such caused by ongoing installed cleaning systems
- cost-savings, as power consumption is reduced
- constant sieve-screen cutting
- material throughput is maintained at a constantly high level over a longer time period
- cost-savings through a lower level of wear and tear at the sieve-screen stars.
