EP2877806A1 - Procédé et dispositif destinés à nettoyer des surfaces d'un échangeur de chaleur à ailettes - Google Patents

Procédé et dispositif destinés à nettoyer des surfaces d'un échangeur de chaleur à ailettes

Info

Publication number
EP2877806A1
EP2877806A1 EP13759427.1A EP13759427A EP2877806A1 EP 2877806 A1 EP2877806 A1 EP 2877806A1 EP 13759427 A EP13759427 A EP 13759427A EP 2877806 A1 EP2877806 A1 EP 2877806A1
Authority
EP
European Patent Office
Prior art keywords
water
compressed air
jet nozzle
jet
pressure
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.)
Granted
Application number
EP13759427.1A
Other languages
German (de)
English (en)
Other versions
EP2877806B2 (fr
EP2877806B1 (fr
Inventor
Jens-Werner Kipp
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.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=55411114&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2877806(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to PL13759427T priority Critical patent/PL2877806T3/pl
Publication of EP2877806A1 publication Critical patent/EP2877806A1/fr
Application granted granted Critical
Publication of EP2877806B1 publication Critical patent/EP2877806B1/fr
Publication of EP2877806B2 publication Critical patent/EP2877806B2/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/0075—Nozzle arrangements in gas streams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0483—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with gas and liquid jets intersecting in the mixing chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • 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
    • F28G1/166—Non-rotary, e.g. reciprocated, appliances using jets of fluid for removing debris from external surfaces of heat exchange conduits

Definitions

  • the invention relates to a method for cleaning the slats of
  • Invention also relates to a device for cleaning these surfaces.
  • the aim and purpose of the invention is to provide a method and a device for cleaning fin heat exchangers, which is a gentle but effective
  • Amounts of water as a blasting abrasive cleaning method is provided, which is particularly suitable for the cleaning of finned heat exchangers. Since compressed air with a low water content has a much lower density than a water jet and can be brought by a corresponding nozzle to a very high speed, a complete penetration of the heat exchanger is achieved even at low pressure of the carrier gas.
  • Beam angle to the surfaces to be cleaned is close to 0 °, the jet pressure exerted on the surfaces is very low here.
  • the surprising cleaning effect can not arise here from the impact of the nozzle jet on the surface, but results surprisingly from the friction effect of the nozzle jet on the surfaces of the lamellae.
  • Carrier gas is fed ström and thus brought to high speed, at least approximately the speed of sound or supersonic speed.
  • Experiments have shown that at relatively low pressure of the compressed air from 1 bar, preferably from 1.5 bar and thus a relatively low jet contact pressure already a complete penetration of the nozzle jet is achieved by fin heat exchanger.
  • Lamella heat exchangers with larger overall depths, the jet pressure can be increased in each case as far as it allows the strength of the slats. It also removes solid or sticky dirt layers without bending or otherwise damaging the thin lamellae. To achieve a uniform cleaning with as little as possible
  • Overlapping surfaces preferably a flat nozzle is used.
  • the flat nozzle often has a lower cleaning effect when used in the cleaning of "normal" surfaces compared to a round nozzle, when cleaning
  • finned heat exchangers reach the jet more effectively in the narrow channels of the fin heat exchangers, since the rebound effects on the front of the exchanger are greatly reduced. This leads to an improved and uniform cleaning effect.
  • the throughput of the carrier gas is 4000 liters per minute, preferably 6000 liters per minute.
  • the amount of water in liters should preferably be less than 1: 1000 in relation to the compressed air.
  • the pressure of the water supplied should be at a distance of min. 30 mm in front of the throat of the jet nozzle amount to at least 50% of the pressure of the compressed air, but preferably be similar to or higher than the pressure of the compressed air.
  • the water pressure can be dependent on the
  • High-pressure cleaners even superior high cleaning effect is achieved, which can also solve solid or sticky dirt layers, without attacking the underlying surfaces or damage the slats.
  • High-pressure cleaners even superior high cleaning effect is achieved, which can also solve solid or sticky dirt layers, without attacking the underlying surfaces or damage the slats.
  • a pulsating beam through the impulses for cleaning success contributes to the effect of ultrapure water droplets.
  • the jet can be brought by the design of the water pump and / or by corresponding valves in the water and / or compressed air supply to the pulsation, which leads to an increase in the cleaning effect.
  • an existing sufficient pre-pressure of the water can also be dispensed with an additional pump to increase the pressure of the water.
  • An improvement of the cleaning effect can also be achieved by heating the compressed air z. B. caused by heat exchangers to z.
  • the required water preferably has drinking water quality but also properties close to drinking water quality. However, for special requirements there is also the possibility of improving the effect by changing the pH of the water.
  • Laminated heat exchanger For cleaning, preferably only compressed air and water are used here.
  • the device in this case comprises a jet nozzle with a feed for the compressed air, wherein the jet nozzle has a converging to a constriction portion and an adjoining diverging section.
  • Supply line for the water provided to add the water before, in or after the Blasting nozzle is formed.
  • the volume of water to the volume of compressed air in the ratio of less than 1: 1000, preferably less than 1: 2000.
  • the jet nozzle is advantageously designed convergent-divergent, preferably as a Laval nozzle.
  • a suitable throttle valve for regulating the amount of water is attached in the liquid supply upstream of the jet device.
  • the water / liquid is directly or via a distribution chamber with at least one
  • a diaphragm pump or a piston pump is preferably provided.
  • the cubic capacity should be less than 1.00 liters.
  • a pressure booster can be arranged behind the diaphragm pump.
  • the promotion of the water can be made by any type of pump, preferably by a diaphragm pump or piston pump, which sucks the water, but can also accept from a water hose under pressure.
  • a diaphragm pump or piston pump which sucks the water, but can also accept from a water hose under pressure.
  • Power sources can be supplied.
  • the pressure of the control air can be kept small, but the water pressure can be increased far above the control pressure.
  • the generation of a pulsating nozzle jet can be caused by the design of the pump as a diaphragm pump and / or by the use of breaker valves for water and / or compressed air.
  • the line from the water inlet to the pump can have different diameters.
  • demineralization of the water takes place before introduction into the device or into a device having the device (eg osmosis system or ion exchange system).
  • Figure 1 is a sectional view of a jet nozzle according to the invention in a first
  • Figure 2 is a sectional view of a jet nozzle according to the invention in a
  • Figure 3 is a sectional view of a jet nozzle according to the invention in a third
  • Figure 4 is a sectional view of a jet nozzle according to the invention in one
  • Figure 1 shows in the sectional view of a jet nozzle 1, in which serving for supplying the water line 2 into a distribution space 3 and then through the
  • Outlet 4 is guided in the beam line 5, which opens into the jet nozzle 1.
  • the pressurized compressed air 9 and water, or other liquid substance, the jet nozzle 1 are supplied.
  • the jet nozzle 1 in this case has a converging to a constriction 6 section 7 and an adjoining diverging
  • Section 8 water or other liquid substance preferably in front of the jet nozzle 1, in another embodiment before, in or after the constriction 6 of the jet nozzle 1 are metered into the compressed air flow.
  • FIG. 2 shows a further example of a jet nozzle 1, in which the line 2 serving to supply the water opens directly into the jet line 5.
  • FIG. 3 shows a further example of a jet nozzle 1, wherein the line 2 serving to supply the water opens into the jet nozzle 1 directly in front of the constriction 6.
  • FIG. 4 shows a modified example of the flat jet nozzle 1, in which the line 2 serving to supply the water flows into a distribution space 3 and then through the
  • Outlet 4 is guided in the beam line 5, which opens into the jet nozzle 1.
  • a carrier gas other than air and another additive liquid other than water may be used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Nozzles (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Cleaning In General (AREA)

Abstract

L'invention concerne un procédé qui est destiné à nettoyer des surfaces d'un échangeur de chaleur à ailettes et qui comporte la mise en œuvre d'air comprimé et d'eau à des fins de nettoyage, ledit air comprimé étant introduit dans une buse de projection (1) qui est pourvue d'une partie convergente (7) laquelle forme un goulot d'étranglement (6) et laquelle est prolongée par une partie divergente (8), et l'eau ou un autre liquide étant préférentiellement introduite dans le flux d'air comprimé en amont de la buse de projection (1) ou, selon un autre mode de réalisation, en amont, au niveau ou en aval du goulot d'étranglement (6) de la buse de projection, la buse de projection (1) étant dirigée sur le creux formé par des ailettes de l'échangeur de chaleur à ailettes, le jet de buse se propageant à travers le creux formé par des ailettes voisines pour ainsi nettoyer les surfaces d'ailette.
EP13759427.1A 2009-02-16 2013-07-23 Procédé et dispositif destinés à nettoyer des surfaces d'un échangeur de chaleur à ailettes Active EP2877806B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13759427T PL2877806T3 (pl) 2009-02-16 2013-07-23 Metoda i urządzenie dla czyszczenia powierzchni płytkowego wymiennika ciepła

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE202009018911.2U DE202009018911U1 (de) 2009-02-16 2009-02-16 Reinigungsvorrichtung für die Reinigung empfindlicher Oberflächen
DE102012014605.1A DE102012014605A1 (de) 2009-02-16 2012-07-24 Reinigungsvorrichtung für die Reinigung von Lamellenwärmetauschern
PCT/DE2013/100273 WO2014015860A1 (fr) 2009-02-16 2013-07-23 Procédé et dispositif destinés à nettoyer des surfaces d'un échangeur de chaleur à ailettes

Publications (3)

Publication Number Publication Date
EP2877806A1 true EP2877806A1 (fr) 2015-06-03
EP2877806B1 EP2877806B1 (fr) 2018-04-11
EP2877806B2 EP2877806B2 (fr) 2021-11-17

Family

ID=55411114

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13759427.1A Active EP2877806B2 (fr) 2009-02-16 2013-07-23 Procédé et dispositif destinés à nettoyer des surfaces d'un échangeur de chaleur à ailettes

Country Status (6)

Country Link
US (1) US20150129171A1 (fr)
EP (1) EP2877806B2 (fr)
JP (1) JP2015524546A (fr)
DE (2) DE202009018911U1 (fr)
PL (1) PL2877806T3 (fr)
WO (1) WO2014015860A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018077326A1 (fr) 2016-10-31 2018-05-03 Mycon Gmbh Agencement d'installation et procédé de nettoyage automatique d'échangeurs de chaleur à lamelles
DE102019005166A1 (de) * 2019-07-25 2021-01-28 Mycon Gmbh Vorrichtung zur Reinigung von Lamellenwärmetauschern in Horizontal- oder Schrägstellung
WO2021023328A1 (fr) 2019-08-06 2021-02-11 Mycon Gmbh Dispositif de protection enroulable pour buses à jet pour nettoyer des surfaces dans le but de réduire le bruit du jet de buse
DE102020001000A1 (de) 2020-02-17 2021-08-19 Mycon Gmbh Verfahren zur Reinigung von Luft/Luft Wärmeübertragungsapparaten z.B. aus dem Luftfahrtbereich
DE202022103564U1 (de) 2021-07-09 2022-07-11 RIBO Reinigungs- und Gebäude-Service Gesellschaft mit beschränkter Haftung Reinigungsvorrichtung für Lamellenwärmetauscher

Families Citing this family (11)

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Publication number Priority date Publication date Assignee Title
DE102015106914A1 (de) 2014-11-18 2016-05-19 Jens-Werner Kipp Verfahren und Vorrichtung zur Reinigung von Rohren, Tanks und sonstigen Oberflächen von Teilen, mit Rückständen aus Fett, Oel und ähnlichen Stoffen
CN104588357A (zh) * 2014-12-31 2015-05-06 苏州原点工业设计有限公司 一种实验室雾滴吹洗装置
DE102015201945A1 (de) 2015-02-04 2016-08-04 Sivantos Pte. Ltd. Höreinrichtung zur binauralen Versorgung sowie Verfahren zum Betrieb
US11788807B2 (en) 2015-12-28 2023-10-17 Coil Flow Max, Inc. Apparatus and method for cleaning HVAC cooling coils
WO2017117255A1 (fr) 2015-12-28 2017-07-06 Thick Coil Clean, Inc. Appareil et procédé pour le nettoyage de serpentins de refroidissement de systèmes de cvc
RU170745U1 (ru) * 2016-06-10 2017-05-05 Акционерное Общество "Сибтехэнерго" Инженерная Фирма По Наладке, Совершенствованию Технологий И Эксплуатации Электро-Энергооборудования Предприятий И Систем Устройство для очистки поверхностей нагрева энерготехнологического оборудования
JP6558806B2 (ja) * 2016-06-27 2019-08-14 株式会社ダイフク 洗車機及び洗車方法
DE102017119113A1 (de) * 2017-08-22 2019-02-28 Jens-Werner Kipp Fassadenreinigungsvorrichtung und Verfahren zur Reinigung einer Fassade
DE102018101520A1 (de) * 2018-01-24 2019-07-25 Karlsruher Institut für Technologie Zweistoffdüse
CN112792050B (zh) * 2021-02-01 2022-04-29 江西中烟工业有限责任公司 一种烟草喂料机出料斗视窗的清洁装置及其清洁方法
PL442523A1 (pl) * 2022-10-13 2024-04-15 3N Solutions Spółka Z Ograniczoną Odpowiedzialnością Lanca zestawu czyszczącego urządzeń energetycznych pozostających pod napięciem średnim

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DE102009009014A1 (de) 2009-02-16 2010-08-19 Jens Werner Kipp Reinigungsvorrichtung für die Reinigung empfindlicher Oberflächen
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018077326A1 (fr) 2016-10-31 2018-05-03 Mycon Gmbh Agencement d'installation et procédé de nettoyage automatique d'échangeurs de chaleur à lamelles
DE102017101850A1 (de) 2016-10-31 2018-05-03 Mycon Gmbh Installationsanordnung und Verfahren zur automatisierten Reinigung von Lamellenwärmetauschern
DE102019005166A1 (de) * 2019-07-25 2021-01-28 Mycon Gmbh Vorrichtung zur Reinigung von Lamellenwärmetauschern in Horizontal- oder Schrägstellung
WO2021023328A1 (fr) 2019-08-06 2021-02-11 Mycon Gmbh Dispositif de protection enroulable pour buses à jet pour nettoyer des surfaces dans le but de réduire le bruit du jet de buse
DE102020001000A1 (de) 2020-02-17 2021-08-19 Mycon Gmbh Verfahren zur Reinigung von Luft/Luft Wärmeübertragungsapparaten z.B. aus dem Luftfahrtbereich
DE202022103564U1 (de) 2021-07-09 2022-07-11 RIBO Reinigungs- und Gebäude-Service Gesellschaft mit beschränkter Haftung Reinigungsvorrichtung für Lamellenwärmetauscher

Also Published As

Publication number Publication date
PL2877806T3 (pl) 2018-08-31
DE102012014605A1 (de) 2014-03-06
WO2014015860A1 (fr) 2014-01-30
JP2015524546A (ja) 2015-08-24
EP2877806B2 (fr) 2021-11-17
DE202009018911U1 (de) 2014-07-08
US20150129171A1 (en) 2015-05-14
EP2877806B1 (fr) 2018-04-11

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