Nothing Special   »   [go: up one dir, main page]

EP3971511A4 - Heat exchanger cleaning system and heat exchanger cleaning method - Google Patents

Heat exchanger cleaning system and heat exchanger cleaning method Download PDF

Info

Publication number
EP3971511A4
EP3971511A4 EP19939288.7A EP19939288A EP3971511A4 EP 3971511 A4 EP3971511 A4 EP 3971511A4 EP 19939288 A EP19939288 A EP 19939288A EP 3971511 A4 EP3971511 A4 EP 3971511A4
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
exchanger cleaning
cleaning system
cleaning method
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.)
Withdrawn
Application number
EP19939288.7A
Other languages
German (de)
French (fr)
Other versions
EP3971511A1 (en
Inventor
Sung Ho Hong
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.)
GEESCO CO Ltd
Original Assignee
GEESCO CO 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
Priority claimed from KR1020190090749A external-priority patent/KR20210012652A/en
Application filed by GEESCO CO Ltd filed Critical GEESCO CO Ltd
Publication of EP3971511A1 publication Critical patent/EP3971511A1/en
Publication of EP3971511A4 publication Critical patent/EP3971511A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D19/00—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium
    • F28D19/04—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using rigid bodies, e.g. mounted on a movable carrier
    • F28D19/041—Regenerative heat-exchange apparatus in which the intermediate heat-transfer medium or body is moved successively into contact with each heat-exchange medium using rigid bodies, e.g. mounted on a movable carrier with axial flow through the intermediate heat-transfer medium
    • 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
    • F28G1/00—Non-rotary, e.g. reciprocated, appliances
    • F28G1/16—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris
    • F28G1/163—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris from internal surfaces of heat exchange 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
    • F28G15/00—Details
    • F28G15/003—Control arrangements
    • 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
    • F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
    • F28G9/005—Cleaning by flushing or washing, e.g. with chemical solvents of regenerative heat exchanger

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Incineration Of Waste (AREA)
EP19939288.7A 2019-07-26 2019-09-11 Heat exchanger cleaning system and heat exchanger cleaning method Withdrawn EP3971511A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020190090749A KR20210012652A (en) 2019-07-26 2019-07-26 System for cleaning heat exchange and method of cleaning heat exchange
PCT/KR2019/011806 WO2021020642A1 (en) 2019-07-26 2019-09-11 Heat exchanger cleaning system and heat exchanger cleaning method

Publications (2)

Publication Number Publication Date
EP3971511A1 EP3971511A1 (en) 2022-03-23
EP3971511A4 true EP3971511A4 (en) 2023-06-14

Family

ID=73261576

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19939288.7A Withdrawn EP3971511A4 (en) 2019-07-26 2019-09-11 Heat exchanger cleaning system and heat exchanger cleaning method

Country Status (4)

Country Link
US (1) US20220349664A1 (en)
EP (1) EP3971511A4 (en)
JP (1) JP7555389B2 (en)
CN (1) CN211876854U (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN211876854U (en) * 2019-07-26 2020-11-06 Geesco 有限公司 Heat exchanger cleaning system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025362A (en) * 1975-04-01 1977-05-24 Svenska Rotor Maskiner Aktiebolag Apparatus for cleaning the heat exchanging surfaces of the heat transfer plates of rotary regenerative heat exchangers
DE3619396A1 (en) * 1985-06-17 1986-12-18 Gadelius K.K., Tokio/Tokyo Device for cleaning heat exchangers
US4815523A (en) * 1985-04-26 1989-03-28 Kraftanlagen Ag Device and process for cleaning a recirculation-type regenerative heat exchanger
US5044424A (en) * 1980-12-19 1991-09-03 Monro Richard J Heat generator
US6065528A (en) * 1999-08-09 2000-05-23 Abb Air Preheater, Inc. Air preheater cleaner
US20170016686A1 (en) * 2013-11-25 2017-01-19 Geesco Co., Ltd. Complex cleaning system for heat exchanger
KR101736334B1 (en) * 2016-05-31 2017-05-16 주식회사 지스코 Soot blower and method for cleaning heat exchanger

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3827102A (en) * 1972-02-14 1974-08-06 Diamond Power Speciality Soot blower with gas temperature or heat flow detecting means
GB9224823D0 (en) * 1992-11-26 1993-01-13 Howden Group Plc Ljungstrom heat exchanger
DE4442055A1 (en) * 1994-11-25 1996-05-30 Rothemuehle Brandt Kritzler Regenerative heat exchanger
JPH09133495A (en) * 1995-11-06 1997-05-20 Mitsubishi Heavy Ind Ltd Rotating regenerative heat exchanger
KR20070025267A (en) * 2005-09-01 2007-03-08 이승백 Soot blower of regenerative heat exchanger and its control method
ES2340329T3 (en) * 2007-10-17 2010-06-01 Balcke-Durr Gmbh REGENERATIVE HEAT EXCHANGER.
US20110005706A1 (en) 2009-07-08 2011-01-13 Breen Energy Solutions Method for Online Cleaning of Air Preheaters
CN105758253A (en) * 2016-04-28 2016-07-13 国电科学技术研究院 High-pressure-head low-flow non-isolated online cleaning device for rotary air preheater
KR101748802B1 (en) * 2016-10-18 2017-06-19 주식회사 지스코 Soot blower and method for cleaning tubular heat exchanger using thereof
CN110369407A (en) * 2019-06-14 2019-10-25 华电电力科学研究院有限公司 A kind of air preheater on-line cleaning device
KR20210012652A (en) * 2019-07-26 2021-02-03 주식회사 지스코 System for cleaning heat exchange and method of cleaning heat exchange
CN211876854U (en) * 2019-07-26 2020-11-06 Geesco 有限公司 Heat exchanger cleaning system
CN112664966B (en) * 2020-12-29 2022-05-20 苏州西热节能环保技术有限公司 Steam jet parameter design method of steam soot blower
CN216047824U (en) * 2021-11-01 2022-03-15 南京常荣声学股份有限公司 Sound wave and hot air combined anti-blocking air preheater
CN114060845A (en) * 2021-12-22 2022-02-18 西安美克森科技工程有限公司 Anti-blocking type air preheater with purging function, intelligent control and middle soot blower
CN217274215U (en) * 2022-04-08 2022-08-23 上海锅炉厂有限公司 Intelligent soot blowing system of air preheater
CN114811628A (en) * 2022-04-08 2022-07-29 上海锅炉厂有限公司 Intelligent soot blowing system of air preheater
CN217604798U (en) * 2022-05-31 2022-10-18 浙江浙能长兴发电有限公司 Rotatable formula air preheater's clear stifled auxiliary device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4025362A (en) * 1975-04-01 1977-05-24 Svenska Rotor Maskiner Aktiebolag Apparatus for cleaning the heat exchanging surfaces of the heat transfer plates of rotary regenerative heat exchangers
US5044424A (en) * 1980-12-19 1991-09-03 Monro Richard J Heat generator
US4815523A (en) * 1985-04-26 1989-03-28 Kraftanlagen Ag Device and process for cleaning a recirculation-type regenerative heat exchanger
DE3619396A1 (en) * 1985-06-17 1986-12-18 Gadelius K.K., Tokio/Tokyo Device for cleaning heat exchangers
US6065528A (en) * 1999-08-09 2000-05-23 Abb Air Preheater, Inc. Air preheater cleaner
US20170016686A1 (en) * 2013-11-25 2017-01-19 Geesco Co., Ltd. Complex cleaning system for heat exchanger
KR101736334B1 (en) * 2016-05-31 2017-05-16 주식회사 지스코 Soot blower and method for cleaning heat exchanger

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2021020642A1 *

Also Published As

Publication number Publication date
JP7555389B2 (en) 2024-09-24
CN211876854U (en) 2020-11-06
JP2022541913A (en) 2022-09-28
EP3971511A1 (en) 2022-03-23
US20220349664A1 (en) 2022-11-03

Similar Documents

Publication Publication Date Title
EP3707454A4 (en) Systems and methods for heat exchange
EP3458790A4 (en) Heat exchanger and heat exchange system
EP4080151A4 (en) Heat exchanger
EP3977019A4 (en) System and method for heating water
EP3551958A4 (en) System and method of cleaning a heat exchanger
EP4047298A4 (en) Heat exchanger
EP4027095A4 (en) Heat exchanger
EP3951286A4 (en) Heat exchanger
EP3776846A4 (en) Heat exchange system
PL3845825T3 (en) Heat exchanger unit and method for manufacturing the same
EP3982054A4 (en) Heat exchanger and heat exchange system
EP3658836A4 (en) Systems and methods for heat exchange
EP3971508A4 (en) Heat exchanger
GB2585672B (en) Heating and cooling system
EP3632296A4 (en) Cleaning system, cleaning unit, and cleaning method
EP3633299A4 (en) Heat exchanger and method for manufacturing same
EP3971511A4 (en) Heat exchanger cleaning system and heat exchanger cleaning method
EP4003114A4 (en) System and method for heating food
EP3978855A4 (en) Heat exchanger
EP4083559A4 (en) Heat exchanger
EP3757485A4 (en) Gas-liquid separator and heat exchange system
EP3763923A4 (en) Heat exchanger system
EP3965269A4 (en) Heat exchange system and motor
EP4060251A4 (en) Heat exchanger
EP4036508A4 (en) Heat exchanger

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20211216

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20230516

RIC1 Information provided on ipc code assigned before grant

Ipc: F28G 15/00 20060101ALI20230510BHEP

Ipc: F28G 9/00 20060101ALI20230510BHEP

Ipc: F28G 1/12 20060101AFI20230510BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20231216