Abstract:
Disclosed is a maintenance device for an elongate, tubular hollow member (2) designed to conduct a fluid. Said maintenance device comprises a sealing mechanism (4) which is to seal a working zone (9) relative to surroundings (30) of the hollow member (2) and can be moved in one direction along the hollow member (2). A side of the sealing mechanism (4) that faces the hollow member (2) forms an at least partially curved surface and can be moved in the longitudinal direction of the hollow member (2), especially in order to be placed in the sealing position. A method for servicing an elongate, tubular hollow member (2) is also claimed.
Abstract:
Disclosed is a maintenance device for an elongate, tubular hollow member (2) designed to conduct a fluid. Said maintenance device comprises a sealing mechanism (4) which is to seal a working zone (9) relative to surroundings (30) of the hollow member (2) and can be moved in one direction along the hollow member (2). A side of the sealing mechanism (4) that faces the hollow member (2) forms an at least partially curved surface and can be moved in the longitudinal direction of the hollow member (2), especially in order to be placed in the sealing position. A method for servicing an elongate, tubular hollow member (2) is also claimed.
Abstract:
The invention relates to a maintenance device for maintaining an elongated and in particular tubular hollow body (2), which is designed to conduct a fluid, having a sealing device (4) comprising a function unit (12), said sealing device being provided for sealing a working area (9) with respect to surroundings of the hollow body (2) and being movable in a direction along a surface of the hollow body (2), wherein the sealing device (4) comprising the function unit (12) can be moved at least partially in the longitudinal direction (B) of the hollow body (2), relative to the surface (7) of same, while preserving a tight seal. In addition, a method for forming a maintenance access on an elongated and in particular tubular hollow body is claimed.
Abstract:
Pipe arrangement comprising two pipes and a sleeve (5), wherein both pipes have an outer metal wall (2), an inner, thermosensitive lining (1) of plastic and also end faces (3) facing towards one another and are connected to one another via the sleeve (5), which is arranged outside the pipes and is welded to at least one pipe, wherein an insulator (7) is integrated along a weld seam (6), which is spaced apart from the end face (3) of a first pipe in the longitudinal direction of the pipe and connects the sleeve (5) to said pipe, in the circumferential direction of the pipe and between the metal wall (2) and the lining (1), and process for producing a pipe arrangement, which is distinguished by the fact that the insulator (7) is applied to the inner side of the metal wall (2) of at least one pipe spaced apart from the end face (3) thereof, the latter is then integrated into the metal wall by introducing the lining (1) of the pipe, then this pipe is pushed into a sleeve (5) which is attached to a further pipe provided with a lining, and the sleeve (5) is welded to the metal wall (2) of the pipe along the insulator (7) and on the outside of the pipe.
Abstract:
Covering arrangement for a pipe which can be welded to a series of further pipes to produce pipelines intended, in particular, for transporting gaseous or liquid media, wherein the covering arrangement is designed for sealing at least the pipe edge which is at risk of corrosion, and wherein the covering arrangement comprises an inner cap with an inner sleeve which is designed for abutment against the inside of the pipe and has a covering element which is provided for the purpose of at least partially covering the inner cross section of the pipe which is not covered by the inner sleeve. The invention also relates to a pipe having a corresponding covering arrangement and a system for monitoring pipes having corresponding covering arrangements.
Abstract:
Covering arrangement for a pipe which can be welded to a series of further pipes to produce pipelines intended, in particular, for transporting gaseous or liquid media, wherein the covering arrangement is designed for sealing at least the pipe edge which is at risk of corrosion, and wherein the covering arrangement comprises an inner cap with an inner sleeve which is designed for abutment against the inside of the pipe and has a covering element which is provided for the purpose of at least partially covering the inner cross section of the pipe which is not covered by the inner sleeve. The invention also relates to a pipe having a corresponding covering arrangement and a system for monitoring pipes having corresponding covering arrangements.
Abstract:
A pipeline has a first pipe and a second pipe welded together by a weld seam, wherein the first and second pipes each have an inner side with a lining section of plastic material for protecting an inner side of the pipeline. The lining sections end at a spacing from the weld seam. The lining section of the first pipe abuts the lining section of the second pipe such that by an undercut provided on at least one of the lining sections a fill space is formed in a circumferential direction of the pipeline.
Abstract:
The invention relates to a method for monitoring a maintenance unit moving inside a pipeline, a state data signal generated by a first receiving and transmission unit due to a maintenance unit passing by being transmitted to at least one further receiving and transmission unit that is disposed at a distance along or in a pipeline, characterized in that the state data signal is provided with exact localization information by the first receiving and transmission unit, is routed via at least one further receiving and transmission unit in the direction of an interface device, and is supplied there to a SCADA system for analyzing the information that can be retrieved from the state data signal in quasi-real-time.
Abstract:
A device for nondestructive testing of pipelines is designed to move along a pipeline and has at least one measuring unit for acquiring measured data of the pipeline, wherein the device is self-propelled and has at least one functional unit rotatable about a central axis of the device for acquiring measured data and/or for driving the device. In a corresponding method for nondestructive testing of pipelines, the device is moved along the pipeline by a functional unit having drive elements and moving helically along a surface of the pipeline to be covered. The functional unit acquires measured data and the drive elements are forced by a magnetic field generated by the functional unit against the surface of the pipeline.
Abstract:
The invention relates to a security device for a cover device of a pipe and/or for a pipe, that can be used for producing pipelines having a series of further pipes welded to each other, wherein the cover device comprises a sleeve covering an inner wall of the pipe, and the security device is designed for generating an alarm signal, wherein the security device comprises a structure-borne sound detection device comprising a structure-borne sound sensor for detecting manipulation of the pipe. The invention further relates to a system for monitoring pipes having a plurality of security devices having a receiving station for receiving the security device signals, preferably repeatable by means of a repeater, and an electronic data processor designed for analyzing the signals and for out-putting an alarm signal.