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Syphon construction under nature reserve Löcknitztal by microtunnelling

The project:


Pipe heading DN 1600 by micro-tunnelling with reinforced concrete driving pipes for passing under the nature reserve Löcknitztal near Kienbaum (Land Brandenburg) as protective pipe for a high-pressure gas pipeline DN 1100.

Client:

Ruhrgas AG/Verbundnetz Gas AG

Executing company:

Gildemeister Tief-, Stahlbeton- und

Rohrleitungsbau GmbH&Co. KG Berlin


The problem:


Pumping off the supporting liquid (bentonite suspension) used in the tunnel during pipe heading.


Our solution:


Application of a submersible pump Type KTZ35.5 connected with an accompanying pipe line DN 100 for continuous removal of the supporting liquid during the whole time of pipe heading.

The pump was always positioned at the lowest point of the syphon and operated on snore mode.

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U slučaju abrazivnog i korozivnog korišćenja, u nekim komponentama može doći do prirodnog habanja. U pogledu gornje primene do habanja može doći pre svega kod rotora, agitatora, usisne ploče, rukavca vratila, uljanog prstena, mehaničke zaptivke, kućišta pumpe, sita, kućišta motora i ispusne spojnice. Radni vek ovih delova može znatno da varira zavisno od radnih uslova i može biti kraći od garantnog perioda.
U tom smislu obratite pažnju na naše opšte uslove korišćenja koje vam takođe na zahtev šaljemo poštom.