Taprogge Gmbh

Taprogge Gesellschaft Mbh

Hans-Werner Schildmann

Klaus Eimer

Dieter Patzig

Dietmar Altegoer

Rainer Kretzschmar

Hartono Widjaja

Dirk Trostmann

Detlef Taprogge

Klaus-Michael Bitzer

Peter Schink

In a system for cleaning tubes of tube-bundle type heat exchangers including a plurality of tubes () arranged in parallel between two chambers () and flown through by a fluid medium, in particular crude oil, at a temperature above 120&#xb0; C., wherein, for cleaning the tubes (), deposits on their inner walls, such as coking, dirt particles or the like, are detached by cleaning bodies passing through the tubes (), and carried out of the tubes (), for cleaning the inner wall of the plurality of tubes () of the heat exchanger during the operation of the heat exchanger (), it is provided that the cleaning bodies () are formed in such a way that they are resistant to high temperatures (above 120&#xb0; C.) and withstand aggressive fluid media such as crude oil and are freely transported in the flowing fluid medium, in particular with large flow-through diameters, such as in the chambers () of the heat exchanger () and sink or rise in the stagnant fluid medium, and have an outer contact surface suitable for removing deposits from a tube inner wall, pass through the tubes () due to the pressure of the fluid medium, and have their contact surfaces forced against the tube inner wall by contact pressure.

System for cleaning tubes of heat exchangers and cleaning bodies for use in the system

In a system for cleaning tubes of heat exchangers flown through by a fluid medium, in particular crude oil, having a temperature in excess of 120&#xb0; C., wherein, for cleaning a tube, deposits such as dirt particles or the like adhering to its inner wall are detached by cleansing off and carried out of the tube, for cleaning the inner wall of the heat exchanger tubes during the operation of the heat exchanger, it is provided that cleaning bodies withstanding high temperatures (in excess of 120&#xb0; C.) as well as withstanding aggressive fluid media such as crude oil and having outer dimensions when cleaning equal to the inner diameter of the tube to be cleaned and having an outer contact surface suitable for cleansing off deposits from an inner wall of a tube, pass through the tube due to the pressure of the fluid medium and are pressed to the inner wall of the tube by a contact pressure, and that, during the passage of the cleaning bodies, deposits adhering to the inner wall of the tube are caught and detached by the contact surface of the cleaning bodies and carried along by the fluid medium and/or the cleaning body and carried out of the tube.

System for cleaning tubes of heat exchangers and cleaning bodies therefor

A screening device for eliminating balls (,) for cleaning the tube of a heat exchanger, condenser or the like from a coolant line (,) comprises a screen (,) located in the outlet area of the heat exchanger, able to cover the free cross section of the coolant line (,) for collecting the balls (,) and progressively restricting the free cross section for the coolant for the collection of the balls (,) in the cooling medium flow direction and a removal line (,), positioned in the flow direction of the cooling medium behind the screen (,) in such a way that the balls (,) collected by the screen (,) are passed into the removal line (,) and leave the coolant line (,) via the removal line (,). For obtaining a less expensive construction for the screening device the screen (,) is fixed to the wall (,) of the coolant line (,).

Screening device for eliminating balls from a coolant line

Lock for balls for cleaning cooling systems

Backwashable filter having elements with elastically deflectable lips

In the cleansing especially of cooling water for a heat exchanger the installation of rotationally symmetric filter bodies in the cooling water feeder pipe and suction of sediments across a suction nozzle rotating on the windward side. Difficulties result therein in the production of a required back-flow through the filter and the avoidance of lateral airfluxes in front of the filter surface, as a certain gap is necessary between filter and suction nozzle for holding the sediments. In order to guarantee problem-free suction it is provided according to the invention that the windward filter surface (2) is subdivided into individual sectors (14) by radial ridges (13) projecting against the direction of flow, whose central angle corresponds maximally to that of the nozzle (6) of the suction device also in the shape of a sector and that the gap between the free ridge edges (13) and the edges of the nozzle (6) circulating at a distance from the ridge edges is bridged by flexible sealing lips of at least the width of the gap.

Device for the mechanical cleansing of fluids

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Heiligenhaus, Germany

Hans-Werner Schildmann