History And Overview Of Direct Drive Turbo （历史和直接驱动涡轮的概述）.pdfVIP

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History And Overview Of Direct Drive Turbo （历史和直接驱动涡轮的概述）.pdf

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History And Overview Of Direct Drive Turbo （历史和直接驱动涡轮的概述）

History And Overview Of Direct Drive Turbo Compressors Sulzer Pumps By: Dave Parsons Product Manager High Speed Turbocompressors myPresentation 2/19/2015© Sulzer Pumps | slide 1 Aeration Blowers Sulzer Pumps Aeration consumes 40-70% of energy used in activated sludge plants (WEF MOP OM-9) For supplying diffused aeration grids, 2 types: Positive Displacement (1854) –Approx. 60% efficient –Typically smaller (100 hp) –Output varies with speed, not pressure – Factory or OEM packages available –Widely applied, low capital costs myPresentation 2/19/2015© Sulzer Pumps | slide 2 Aeration Blowers Sulzer Pumps Multistage Centrifugal(1945): Approx. 65-75% efficient Wide range of sizes, typ. 50 hp Output varies with pressure Widely applied for over 100 yrs. Can be more expensive initially than positive displacement PD and Multistage blowers are the workhorses of the industry but the need to reduce energy costs demanded new technology . myPresentation 2/19/2015© Sulzer Pumps | slide 3 Times Have Changed, New Technology Arrived Sulzer Pumps With renewed emphasis on energy efficiency, new styles of blowers have now become the leaders. High speed turbocompressors offer several potential advantages over traditional blowers: Higher efficiencies Lower maintenance costs Variable output Quiet operation myPresentation 2/19/2015© Sulzer Pumps | slide 4 Centrifugal blower 1st Turbo Compressor Centrifugal blower 1st Turbo Compressor Sulzer Pumps HV Turbo First High Speed Turbo in Europe(1985?) and in US TURBLEX (Now Siemens Turbo Machinery) Standard Motor High e