Automatic Transfer Switches Are Required For Standby, Back-up & Emergency Power Installations.

by AaronEquipmentCo14. April 2009 14:17
A Transfer switch is installed between a backup generator, incoming power and your business. A transfer switch continuously monitors utility power and when it senses an interruption it sends a signal to start the generator, when the generator is up to the proper speed, Hz and voltage the transfer switch transfers the load to the generator to provide emergency power. When utility power is restored and no interruptions have occurred for a set time, the transfer switch will then transfer back to utility power and send a si... [More]

Buying a Used Generator Set

by AaronEquipmentCo10. April 2009 14:22
Generators have a useful life of 20,000 to 30,000 hours before a major overhaul is required.  Most used generators come from back-up / standby / emergency applications and typically have very low hours. When new is not an option due to lead time or cost a used generator can be a great alternative.  Used generator sets can be test run and / or load bank tested to insure they are operating properly.  This is a small added cost when buying a used generator and will insure you are receiving a good operating s... [More]

Aaron Equipment Installs Back-up Generator Set at Bensenville HQ

by AaronEquipmentCo10. April 2009 14:10
  Just completed earlier this year, we installed a used Cummins 200kW backup generator set.  Last summer we had a power outage over a 3 day period.  With over 50 employees and no power we were basically out of business for those 3 days.  No computers, no phone system, no air-conditioning, no lights etc.  Imagine that happening to your business?  Within about 3 hours after the outage we were able to get the office up and running by temporarily hooking up a generator set that we had on hand.... [More]

Centrifuge Reconditioning

by Whitney Craig10. April 2009 14:00
If you have a centrifuge or are going to buy a used centrifuge, which you intend to have reconditioned here are a couple of thoughts to consider.   Your first choice is to use the centrifuge manufacturer or a independent centrifuge reconditioning facility.  The manufacturers all perform the proper reconditioning but at a very costly price.  In recent years some of the manufacturers have branched out to other brand centrifuges to keep their facilities busy, but price still be a factor in this scenario... [More]

Well Known Centrifuge Manufacturers

by Whitney Craig8. April 2009 14:24
I have listed below a selection of the more know centrifuge manufacturers pertaining to industrial centrifuges:  Alfa Laval, Andritz, Bird, Carr, Centrisys, Cinc, Delaval, Derrick, Dorr Oliver, Escher Wyss, Flottweg, Guinard, Hutchinson Hayes, Hysep, IHI, Kokusan, Krauss Maffei, Pieralisis, Podbielniak, Rouselett, Sharples, Swaco, Tema, Tomoe, US Centrifuge, Westerns States, Westfalia.

Decanter Centrifuge Design Considerations

by Whitney Craig8. April 2009 14:10
When looking at using a Decanter centrifuge for a separation application there are a couple key factors to consider during selection.  The first consideration is the desired phase to be either the solids or the liquid.  If it is the solids, do you need a dry dewatered solids or a concentrated/thickened solids.  If the desired phase is the liquid and a high level of recovered solids/clean centrate must be achieved this will dictate increased pond depths in the Decanter centrifuge. These key considerations ... [More]

Disc Centrifuge Designs

by Whitney Craig8. April 2009 13:15
Disc Centrifuges come in three basic designs.  One is a Solid Bowl, which retains the solids on the inside diameter of the centrifuge bowl assembly.  The solids are removed manually by hand.  Generally they are used in applications with extremely low solids volumes in the feed stream since it is time consuming to remove the solids.  Another design is a Desludger disc centrifuge.  These design disc centrifuges will discharge the solids while operating either by a timing control or a self-thinking... [More]

Solid Bowl & Screen Bowl Decanter Drawings

by AaronEquipmentCo7. April 2009 16:45
   Solid Bowl Decanter          Screen Bowl Decanter     If you would like to know more about these two designs of Decanter Centrifuges send me a reply.

Basic Centrifuge Designs

by Whitney Craig7. April 2009 16:29
Centrifuges are basically categorized into six types (Decanter, Disc, Basket, Pusher, Peeler, Tubular Bowl).  A Decanter Centrifuge come in two general designs - Solid Bowl or Screen Bowl.  A Basket Centrifuge is either perforated or solid bowl design.  The Disc Centrifuge is either a Solid Bowl/Solids Retaining, Desludger or a Nozzle Centrifuge, The Pusher Centrifuge could have a pusher plate or a scroll, and the Peeler Centrifuge are basically all very similar in general design. The same applies to tubu... [More]

Two Types of Centrifuge Separation

by Whitney Craig7. April 2009 15:36
In the usage of a centrifuge you have two designs based on general physic rules.  One design is based on filtration via spinning the feed material at a increased "G" force allowing the liquid phase to pass through a filter media leaving the dewatered solids on the filter media.  The other basic centrifuge design is via sedimentation.  In this separation design a feed slurry is accelerated to a increased "G" force allowing the solid phase to settle against the inside diameter of the rot... [More]

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