condenser tube cleaning system
DESCRIPTION
over view about condenser tube cleaning system with picturesTRANSCRIPT
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1921
Development and first applications of rotating band screens, through-flow design (Gennevilliers, France)
1921
First pressure-line strainers (Fenne Power Plant, France)
1922
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Beaudrey Patent for through-flow travelling band screens (545.686 dated 7th January 1922)
1922
World's first backwashed pressure line strainer.
1923
Beaudrey Patent for condenser tube-cleaning systems (561.362 dated 24th January 1923)
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1924
Beaudrey Patent for dual-flow travelling band screens (577.255 dated 16th February 1924)
1924
First application of bar screen raking system (Chute de Drac Romanche, France)
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1927
First drum screens (Edison)
1935
First on-line condenser debris filters (Saint Denis Power Plant, France)
1940
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Beaudrey-Bergeron split into two companies. Beaudrey continues to specialize in screening equipment.
1940
First applications for micro-filtration (microstrainers)
1942
Beaudrey patents its "Colmatometer" in Morocco, an instrument to be used to measure the clogging capacity of water
1951
Development of large-diameter drum screens (10 m or more)
1953
First large diameter drum screen is installed (Gennevilliers, France). 11 m diameter.
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1954
Installation of the first microstrainers (Annecy, France)
1955
Development of travelling band screens with contact, mobile seals that make fine-mesh screens possible.
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1965
First travelling band screens without supporting structures in the civil works
1966
First trash rake (Les Awirs, Belgium)
1970
Beaudrey patents the first water-flushed trash rakes (patent n° 7001171 dated 14th January 1970)
1973
Water-clogging measurement developed by Beaudrey is standardized (Afnor reference NF T 90-030)
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1976
First totally static debris filters, called "C" type (Dunkerque 1-2, France)
1978
Development of the fish-friendly "Scoop-a-fish" device. Beaudrey patent n° 7720258 dated 1st July 1979
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1979
Manufacture of the largest ever drum screen, 20 m in diameter (Paluel 1-2, France)
1980
Development of the fish-friendly "Flo-in Flo off" device. Beaudrey patent 8021465 dated 8th October 1980.
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1980
Development of the fish-friendly "Bio-flush" device for trash rakes.Beaudrey patent 8026266 dated 11th December 1980.
1983
Start of Beaudrey's activities in the USA (Palo Seco, Puerto Rico)
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1983
First dual-flow travelling band screen in the USA (Astoria)
1983
First-ever installation of a travelling band screen using a helicopter as a crane (Camazes dam, France)
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1984
Manufacture of a 22 m diameter drum screen (Flamanville, France)
1985
Creation of screening media with a minimal level head-loss and reduced biological impact (Nocling TM).
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1986
Complete revamp of the "W" debris filter design with rotating internal screening disk.
1986
Feasibility study of Beaudrey debris filters with Japanese partner Marusei. Choice of design for future development and sales in Japan (Kashima, Japan). Selection of the "W" type.
1988
First sales in South Bangkok (Thailand) and Taichung (Taiwan 1-4)
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1993
Development of the multi-cartridge, static Statodyn strainer, first installation for nuclear heat-exchanger applications (Cattenom, France)
1995
Creation of plastic Nocling screening media with low level of head-loss.
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1998
Based on the successful field-tested "W" filter design, development of the Zero Ball Loss (ZBL) concept, viable alternative to conventional condenser tube-cleaning systems with the guarantee that no balls are lost in the environment.