Main Injector LCW (Low Conductivity Water) control system

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Description

There are six service buildings (MI-10, 20, 30, 40, 50 and 60) uniformly spaced along the perimeter of the MI (Main Injector). Each building supplies power and cooling water to 1,815 feet of circumference in the MI. A total of 18 LCW pumps were installed around the ring with 3 pumps per building. Each pump has a 100hp motor and delivers 550 GPM of LCW. Approximately 8,000 GPM of LCW is required to cool magnets, bus and power supplies in the MI enclosure and service buildings. The 18 centrifugal pumps are capable of delivering approximately 9.900 GPM of LCW. At ... continued below

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118 Kilobytes

Creation Information

Seino, K. C. June 18, 1999.

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Description

There are six service buildings (MI-10, 20, 30, 40, 50 and 60) uniformly spaced along the perimeter of the MI (Main Injector). Each building supplies power and cooling water to 1,815 feet of circumference in the MI. A total of 18 LCW pumps were installed around the ring with 3 pumps per building. Each pump has a 100hp motor and delivers 550 GPM of LCW. Approximately 8,000 GPM of LCW is required to cool magnets, bus and power supplies in the MI enclosure and service buildings. The 18 centrifugal pumps are capable of delivering approximately 9.900 GPM of LCW. At each service building, the temperature of LCW is regulated to 95 +/-1 degF by a 3-way control valve which diverts a portion of LCW around a heat exchanger when less cooling is required. A constant flow of pond water is circulated in the tube side of the heat exchanger to remove the heat. In each service building, an LCW control system controls pumps and valves, and it monitors pressures, flows, resistivities and temperatures. The control system also communicates with other buildings including MCR (Main Control Room) via an Ethernet link and front-end computers. In the MI-60 service building, the magnet LCW control system controls/monitors a 3,000 gallon storage/expansion tank in addition to what�s done in the other service buildings. In MI-60, there are two additional LCW control systems for 95 degF RF and RF Cavities. In MI-40, there is an LCW control subsystem, which is attached to the MI-40 main system, and which controls/monitors the Beam Dump cooling system. In MI-52, there is an LCW control system for 150 Gev Proton Line. In CUB (Central Utility Building), there are two control systems (US Filter and Fermilab). The US Filter system controls the regeneration of DI (Deionization) columns, and the Fermilab system manipulates valves to fill the Tev (Tevatron) and MI rings with good LCW.

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118 Kilobytes

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  • Other: DE00007858
  • Report No.: FERMILAB-TM-2085
  • Grant Number: AC02-76CH03000
  • DOI: 10.2172/7858 | External Link
  • Office of Scientific & Technical Information Report Number: 7858
  • Archival Resource Key: ark:/67531/metadc717802

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Creation Date

  • June 18, 1999

Added to The UNT Digital Library

  • Sept. 29, 2015, 5:31 a.m.

Description Last Updated

  • April 18, 2016, 2:43 p.m.

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Seino, K. C. Main Injector LCW (Low Conductivity Water) control system, report, June 18, 1999; Batavia, Illinois. (digital.library.unt.edu/ark:/67531/metadc717802/: accessed August 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.