Bonded Particle Filter - Pyrotek
Bonded Particle Filter - Pyrotek
Bonded Particle Filter - Pyrotek
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7. FILTER PUMP<br />
• Provides first-stage filtration in central<br />
melting or re-melt furnaces<br />
• Transfer filtered metal between<br />
furnaces<br />
• Fill ladles without entraining re-melt<br />
furnace sludge or dross<br />
• Minimise superheat required to<br />
accommodate tap and transfer time<br />
lags<br />
• Overcome barriers to gravity flow<br />
• Prevent carry-over of sludge and other<br />
re-melt debris<br />
• <strong>Filter</strong> life dependent on usage and<br />
overall metal cleanliness<br />
8. STALK TUBE FILTER<br />
• Direct filtration each cycle in low<br />
pressure casting<br />
• Significant reduction in inclusion-related<br />
scrap for cast wheels and other high<br />
performance castings<br />
• Many shapes and designs available to<br />
accommodate stalk (riser) tube and LP<br />
furnace designs<br />
• <strong>Filter</strong> life can be matched to stalk tube<br />
life if cast iron or fused silica is used.<br />
<strong>Filter</strong> can be changed without damaging<br />
higher performance ceramic stalk tubes<br />
• Resists erosion of stalk tube during<br />
mold filling<br />
9. CYLINDER FILTER<br />
• Used with low pressure casting<br />
furnaces in wheel and other<br />
automotive production<br />
• Surrounds stalk tube, does not require<br />
connection and does not depend on<br />
stalk tube life or change-out<br />
• Easily maintained<br />
• 8-12 week filter life for maximum<br />
filtration economy<br />
10. CRUCIBLE BAFFLE FILTER<br />
• Separates pour-in section from ladling<br />
or dip-out section<br />
• Achieves filtered product quality in<br />
casting crucibles and when melting and<br />
casting from the same crucible if metal<br />
level and temperature are maintained<br />
relatively constant<br />
• Useful when space constraints do not<br />
permit use of MBF<br />
• <strong>Filter</strong> held in position with fixed lugs on<br />
crucible ID<br />
• <strong>Filter</strong> change-out and crucible re-use<br />
are attained with minimal effort<br />
11. DOSING FURNACE FILTER<br />
• Creates filtration directly in dosing<br />
furnaces<br />
• <strong>Filter</strong>s installed onto the ceramic<br />
dosing tube with special gasketing<br />
• Nominal 3-5 week life<br />
• Spent filters removable from dosing<br />
tube for dosing tube re-use.<br />
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