DEVICE FOR CLEANING THE INTERIOR OF TUBES

Title:

DEVICE FOR CLEANING THE INTERIOR OF TUBES

Document Type and Number:

WIPO Patent Application WO/2011/098112

Kind Code:

A3

Abstract:

The invention relates to a device for cleaning the interior of heat exchanger tubes (15), scrapers or the like being pushed through the heat exchanger tubes by means of press water and the scrapers being first inserted in the heat exchanger tubes and then a nozzle (9) being positioned in the heat exchanger tubes through which nozzle press water is ejected onto the scrapers, the nozzle being provided with a water supply line. The device further has a valve and/or a pump for controlling the flow of water and a spreader mechanism (5) for clamping the device inside the heat exchanger tube is provided on the part of the device projecting into the heat exchanger tube.

Inventors:

GRUETER KARL-HEINZ (DE)
JARESCH FALK (DE)

Application Number:

PCT/EP2010/007822

Publication Date:

October 13, 2011

Filing Date:

December 21, 2010

Export Citation:

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Assignee:

JARIN GMBH (DE)
GRUETER KARL-HEINZ (DE)

International Classes:

F28G1/16; F28G1/12; F28G15/08

Foreign References:

US3939519A	1976-02-24
DE1525436B1	1970-03-05
US6278903B1	2001-08-21
US5448795A	1995-09-12
EP1391680A1	2004-02-25