4.5 Fire equipment for MPR200T
The water spraying system
The Rasper is equipped with a water sp raying system with the purpose of re-
ducing the fire risk, but also with the purpose of lubricating/cooling in the rotor
housing.
When processing tyre material in t he MPR200T quite an amount of rubber
and textile dust is liberated and this is quite inflammable.
During operation sparks are produced in the rotor housing. Therefore a water
spraying system is required to moisten t he dusty air in the rotor housing thus
reducing the risk of the sparks from setting fire to the dust.
Water nozzles have been placed in the inlet hopper of the Rasper and be-
tween the sidewalls of the Rasper. The water spraying system operates un-
der normal water pressure and the c onnection is placed on the side of the
Rasper. The water pressure is adjusted by means of a handle, which is also
placed on the side of the Rasper.
The water supply is controlled electrically by means of a magnet valve placed
on the water supply of the machine. This means that the water supply is acti-
vated/stopped when the machine is either started up/shut down.
When processing tyres the water spraying system must always be con-
nected!
The pressure is adjusted in such a way that there is always a fine mist of wa-
ter steam in the rotor housing and between the sidewalls.
It is recommended to clean the water nozzles for dirt once a week.
ELDAN Recycling A/S Page 14
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