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WO2010095110A3 - Self-cleaning heat exchanger - Google Patents

Self-cleaning heat exchanger Download PDF

Info

Publication number
WO2010095110A3
WO2010095110A3 PCT/IB2010/050756 IB2010050756W WO2010095110A3 WO 2010095110 A3 WO2010095110 A3 WO 2010095110A3 IB 2010050756 W IB2010050756 W IB 2010050756W WO 2010095110 A3 WO2010095110 A3 WO 2010095110A3
Authority
WO
WIPO (PCT)
Prior art keywords
tubes
heat exchanger
projectiles
self
cleaning heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/IB2010/050756
Other languages
French (fr)
Other versions
WO2010095110A2 (en
Inventor
Michael Waston
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tube Tech International Ltd
Original Assignee
Tube Tech International Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tube Tech International Ltd filed Critical Tube Tech International Ltd
Publication of WO2010095110A2 publication Critical patent/WO2010095110A2/en
Publication of WO2010095110A3 publication Critical patent/WO2010095110A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
    • B08B9/057—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices being entrained discrete elements, e.g. balls, grinding elements, brushes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • B08B9/0323—Arrangements specially designed for simultaneous and parallel cleaning of a plurality of conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G1/00—Non-rotary, e.g. reciprocated, appliances
    • F28G1/12—Fluid-propelled scrapers, bullets, or like solid bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G13/00—Appliances or processes not covered by groups F28G1/00 - F28G11/00; Combinations of appliances or processes covered by groups F28G1/00 - F28G11/00

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

A self-cleaning heat exchanger 10 having a set of tubes 14 extending between two headers 12, 16 comprises means 20 for introducing tube scouring projectiles 18 into a first of the headers and a filter 22 for separating the projectiles from the fluid after passing through the tubes into the second header. In the invention, means 30 are provided for accelerating the fluid flow through some of the tubes 14 of the heat exchanger in order to assist in dislodging projectiles that come to a standstill on encountering excessive resistance while passing through a tube. During a blockage clearing cycle, different sets of tubes are cleared sequentially until all the tubes have been cleared.
PCT/IB2010/050756 2009-02-23 2010-02-22 Self-cleaning heat exchanger Ceased WO2010095110A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0902905A GB2467942A (en) 2009-02-23 2009-02-23 Self cleaning heat exchanger
GB0902905.9 2009-02-23

Publications (2)

Publication Number Publication Date
WO2010095110A2 WO2010095110A2 (en) 2010-08-26
WO2010095110A3 true WO2010095110A3 (en) 2010-12-02

Family

ID=40565464

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2010/050756 Ceased WO2010095110A2 (en) 2009-02-23 2010-02-22 Self-cleaning heat exchanger

Country Status (2)

Country Link
GB (1) GB2467942A (en)
WO (1) WO2010095110A2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9157685B2 (en) 2010-04-10 2015-10-13 Christopher J. Dixon Heat exchanger maintenance technique
CN102059236B (en) * 2010-11-03 2012-05-09 孙兴亚 Improved pipeline cleaning system
GB2491143B (en) * 2011-05-24 2014-07-09 Tube Tech Int Ltd Self-cleaning heat exchanger
SG2013076799A (en) * 2013-10-14 2015-05-28 Hvs Engineering Pte Ltd Method of cleaning a heat exchanger
RU2552450C1 (en) * 2013-11-12 2015-06-10 Общество с ограниченной ответственностью "Региональный институт импульсных технологий" (ООО "РИИТ") Method to clean hollow items
WO2016040283A1 (en) * 2014-09-09 2016-03-17 Braid Logistics North America, Llc Method and system for discharging flexitank viscous material
US12011805B2 (en) * 2016-11-28 2024-06-18 Candu Energy Inc. System and method of cleaning a heat exchanger
JP6836471B2 (en) * 2017-07-20 2021-03-03 株式会社神戸製鋼所 Fluid flow device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2818006B1 (en) * 1978-04-25 1979-08-09 Taprogge Reinigungsanlagen Tube heat exchanger with a cleaning device
US4476917A (en) * 1980-06-30 1984-10-16 Hitachi, Ltd. Method of and system for cleaning cooling tubes of heat transfer units
EP0453043A1 (en) * 1990-04-18 1991-10-23 Eskla B.V. Method for cleaning the walls of heat exchangers and heat exchanger with means for said cleaning

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3021117A (en) * 1957-07-23 1962-02-13 Taprogge Josef Self-cleaning heat-exchanger
JPS60162199A (en) * 1984-02-03 1985-08-23 Toshiba Corp Operation of peeling and washing of marine product of heat exchanger
KR920007301B1 (en) * 1984-10-31 1992-08-29 가부시기가이샤 에바라 세이사꾸쇼 Tube flow control device of heat exchanger
US4693305A (en) * 1985-01-18 1987-09-15 Ebara Corporation System for controlling fluid flow in a tube of a heat exchanger
JPH0370995A (en) * 1989-08-11 1991-03-26 Hitachi Ltd Method for cleaning the inner surface of heat transfer tubes in heat exchangers
JP2001272199A (en) * 2000-03-29 2001-10-05 Hitachi Plant Eng & Constr Co Ltd Cleaning equipment for heat exchangers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2818006B1 (en) * 1978-04-25 1979-08-09 Taprogge Reinigungsanlagen Tube heat exchanger with a cleaning device
US4476917A (en) * 1980-06-30 1984-10-16 Hitachi, Ltd. Method of and system for cleaning cooling tubes of heat transfer units
EP0453043A1 (en) * 1990-04-18 1991-10-23 Eskla B.V. Method for cleaning the walls of heat exchangers and heat exchanger with means for said cleaning

Also Published As

Publication number Publication date
GB0902905D0 (en) 2009-04-08
GB2467942A (en) 2010-08-25
WO2010095110A2 (en) 2010-08-26

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