Verfahren zur grabenlosen Verlegung einer Fernwärmeleitung, eine derartige grabenlos verlegte Fernwärmeleitung sowie Vorrichtungen zur Durchführung des Verfahrens

The invention specifies a method of laying portions of district-heating lines in the earth without excavation, in the case of which method, in a manner known per se, a smooth-walled casing pipe (6) is laid without excavation and, subsequently, a medium-channelling pipe in the form of a corrugated me...

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Main Authors GROPP, REINHARD., 7540 NEUENBUERG, DE, MEYER, BODO.., O-5320 APOLDA, DE, WERNER, DIETRICH, DR., O-5300 WEIMAR, DE, BERGER, PETER W.., 7531 PFORZHEIM, DE
Format Patent
LanguageGerman
Published 17.03.1994
Edition5
Subjects
BLASTING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
JOINTS OR FITTINGS FOR PIPES
LIGHTING
MEANS FOR THERMAL INSULATION IN GENERAL
MECHANICAL ENGINEERING
PIPES
SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:The invention specifies a method of laying portions of district-heating lines in the earth without excavation, in the case of which method, in a manner known per se, a smooth-walled casing pipe (6) is laid without excavation and, subsequently, a medium-channelling pipe in the form of a corrugated metal tube (7) with a heat-insulating layer (11), which encloses the said tube and whose external diameter corresponds essentially to the internal diameter of the casing pipe, is drawn into said casing pipe by pulling means which act, at least in certain locations, on the unit made up of medium-channelling pipe and/or heat-insulating layer, over the entire longitudinal extent thereof. The invention further specifies such a district-heating line laid without excavation, and equipment for implementing the method.
Bibliography:Application Number: DE19924230892