Air separatorhow it works

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Caleffiair separatorrebuild Kit

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6Air Separator

Double whizzer air separators Double whizzer units have two rows or banks of whizzer blades. In normal operations they can produce finished materials up to 0.5-1% R44 microns 99 to 99.5% passing 325 mesh (0.5-1% R44 microns) and in finished cement circuits 2800 to 6000 Blaine or masonry cements.

Caleffi VerticalAir separator

Single whizzer air separators Single whizzer separators have only one row or bank of whizzer blades to set up centrifugal action. These units are ordinarily used for coarser separations up to approximately 85 to 90% passing 200 mesh (10-15% R74 microns) which is excellent for de-dusting and raw mix cement operations.

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The separator may be used in combination with ball mills, tube mills and compartment mills. Its function is to maintain a constant fineness in the finished product.

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The Raymond® Mechanical Air Separator produces material with high uniform fineness; operates in open or closed circuit; can provide drying and cooling; is excellent for de-dusting and features the unique single or double whizzer for faster separation of fines and more positive rejection of oversize.

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Spirotherm, Inc. manufactures the industry leading high efficiency Spirovent® coalescing type air elimination products and its extended line of Spirotrap® dirt separators. A wholly owned subsidiary of Spiro Enterprises, Inc. , we have been developing and manufacturing products to improve water quality in the HVAC industry for almost 40 years. Sizes from 3/4” to 36” pipe, flows to over 30,000 GPM for residential, commercial, industrial, and institutional applications.

Air separatorvalve

Closed circuit grinding When operated in closed circuit in combination with a pulverizer, the separator skims off the fines as fast as they are made so the mill works only on fresh material without wasting power. The tailings are discharged back to the mill for further reduction. The reground material is returned to the separator with the feed, so that a constant circulating load is set up between the mill and the separator.

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Protecting the investment in high efficiency boilers, chillers, and other system components requires the fluid to be distributed efficiently. Eliminating air and dirt does away with many maintenance items that have been considered routine, saves energy, and improves overall system performance and heat transfer. We support a network of factory trained sales offices across North America, each with a staff of qualified sales and application professionals who can demonstrate how Distribution Efficiency will protect those investments.

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Open circuit In some cases, it is convenient to install the separator independently from the mill to make both a fine and coarse product simultaneously.