EP2803760A3 - Method and device for direct heating of liquids particularly for the wet treatment of laundry items with steam - Google Patents
Method and device for direct heating of liquids particularly for the wet treatment of laundry items with steam Download PDFInfo
- Publication number
- EP2803760A3 EP2803760A3 EP20140001656 EP14001656A EP2803760A3 EP 2803760 A3 EP2803760 A3 EP 2803760A3 EP 20140001656 EP20140001656 EP 20140001656 EP 14001656 A EP14001656 A EP 14001656A EP 2803760 A3 EP2803760 A3 EP 2803760A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- steam
- nozzle
- heated
- liquid
- vibrations
- 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
Links
- 239000007788 liquid Substances 0.000 title abstract 6
- 238000010438 heat treatment Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000000203 mixture Substances 0.000 abstract 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
- D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00
- D06F39/40—Steam generating arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/06—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour
- F28C3/08—Other direct-contact heat-exchange apparatus the heat-exchange media being a liquid and a gas or vapour with change of state, e.g. absorption, evaporation, condensation
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Treatment Of Fiber Materials (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
Flüssigkeiten zum Nassbehandeln von Wäschestücken werden vielfach mit Dampf aufgeheizt. Dazu wird der Dampf mit hoher Geschwindigkeit durch eine Düse (30) der aufzuheizenden Flüssigkeit direkt zugeführt. Aufgrund der hohen Geschwindigkeit, mit der der Dampf in die aufgeheizte Flüssigkeit einströmt, entstehen starke Geräusche sowie Schwingungen und Vibrationen. Um mindestens die Geräusche zu reduzieren, ist es bereits bekannt, zusätzlich Druckluft zuzuführen. Das verschlechtert den Wärmeübergang.Liquids for wet treatment of laundry are often heated with steam. For this purpose, the steam is fed at high speed through a nozzle (30) of the liquid to be heated directly. Due to the high speed at which the steam flows into the heated liquid, strong noises as well as vibrations and vibrations occur. To reduce at least the noise, it is already known to additionally supply compressed air. This worsens the heat transfer.
Die Erfindung sieht es vor, in die Düse (30) eine kleine Menge der aufzuheizenden Flüssigkeit einzusaugen und dadurch in der Düse (30) ein Kondensat-Dampfgemisch zu bilden. Alternativ oder zusätzlich kann hinter der Düse (30) ein Strömungsteiler vorgesehen sein, der die Strömungsgeschwindigkeit des Dampfs bzw. Dampf-Kondensatgemisches erhöht. Hierdurch und/oder durch die Bildung eines Dampf-Kondensatgemisches in der Düse (30) werden die Geräuschentwicklung beim Einleiten des Dampfs in die aufzuheizende Flüssigkeit sowie Schwingungen und Vibrationen ohne die Zufuhr von Druckluft verringert. The invention proposes to suck into the nozzle (30) a small amount of the liquid to be heated and thereby to form a condensate-vapor mixture in the nozzle (30). Alternatively or additionally, behind the nozzle (30) may be provided a flow divider which increases the flow velocity of the steam or vapor condensate mixture. In this way and / or by the formation of a vapor condensate mixture in the nozzle (30), the noise during the introduction of the vapor into the liquid to be heated as well as vibrations and vibrations are reduced without the supply of compressed air.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013008435.0A DE102013008435A1 (en) | 2013-05-17 | 2013-05-17 | Method and device for direct heating of liquids for wet treatment of particular laundry with steam |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2803760A2 EP2803760A2 (en) | 2014-11-19 |
EP2803760A3 true EP2803760A3 (en) | 2015-04-29 |
EP2803760B1 EP2803760B1 (en) | 2016-07-06 |
Family
ID=50721538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14001656.9A Active EP2803760B1 (en) | 2013-05-17 | 2014-05-12 | Method and device for direct heating of liquids particularly for the wet treatment of laundry items with steam |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2803760B1 (en) |
DE (1) | DE102013008435A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105037058B (en) * | 2015-08-05 | 2017-12-22 | 张家港市兰航机械有限公司 | Vapor heating equipment in kneader |
CN110616549B (en) * | 2019-10-11 | 2024-04-02 | 江苏海狮机械股份有限公司 | Steam inlet and drainage mechanism of washing bin in washing dragon |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB117221A (en) * | 1918-01-03 | 1918-07-11 | W N Matthews And Bro Inc | Water Heater. |
GB243924A (en) * | 1925-01-23 | 1925-12-10 | Barrowfield Iron Works Ltd | Improvements in or connected with steam systems for heating or otherwise affecting liquids |
GB504675A (en) * | 1938-03-25 | 1939-04-28 | British Launderers Res Ass | Improvements in or relating to nozzles for the introduction of steam and/or other vapour or gas into water or other liquids |
GB754362A (en) * | 1954-06-16 | 1956-08-08 | Ici Ltd | Apparatus for heating water by direct contact with steam |
JPS57182091A (en) * | 1981-03-16 | 1982-11-09 | Yukio Ishida | Liquid heating and circulating device by use of steam |
CN2089605U (en) * | 1990-10-19 | 1991-11-27 | 刘鸿涛 | Steam and water mixed heater |
EP0724079A1 (en) * | 1995-01-27 | 1996-07-31 | Helmut Bälz GmbH | Steam injector |
EP1106838A1 (en) * | 1999-12-10 | 2001-06-13 | Zhuhai Velocity of Sound Technology Ltd. | Heating system component |
DE10028944A1 (en) * | 2000-06-16 | 2001-12-20 | Pharmagg Systemtechnik Gmbh | Washing apparatus involves heating liquid with steam flowing through nozzle; liquid can be heated by steam in region, especially base region, of outer drum enclosing drum |
US20080000098A1 (en) * | 2006-02-20 | 2008-01-03 | Choi Chul J | Drying machine and method for controlling the same |
WO2009105004A1 (en) * | 2008-02-20 | 2009-08-27 | Tetra Laval Holdings & Finance S.A. | An adjustable steam injector |
-
2013
- 2013-05-17 DE DE102013008435.0A patent/DE102013008435A1/en not_active Withdrawn
-
2014
- 2014-05-12 EP EP14001656.9A patent/EP2803760B1/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB117221A (en) * | 1918-01-03 | 1918-07-11 | W N Matthews And Bro Inc | Water Heater. |
GB243924A (en) * | 1925-01-23 | 1925-12-10 | Barrowfield Iron Works Ltd | Improvements in or connected with steam systems for heating or otherwise affecting liquids |
GB504675A (en) * | 1938-03-25 | 1939-04-28 | British Launderers Res Ass | Improvements in or relating to nozzles for the introduction of steam and/or other vapour or gas into water or other liquids |
GB754362A (en) * | 1954-06-16 | 1956-08-08 | Ici Ltd | Apparatus for heating water by direct contact with steam |
JPS57182091A (en) * | 1981-03-16 | 1982-11-09 | Yukio Ishida | Liquid heating and circulating device by use of steam |
CN2089605U (en) * | 1990-10-19 | 1991-11-27 | 刘鸿涛 | Steam and water mixed heater |
EP0724079A1 (en) * | 1995-01-27 | 1996-07-31 | Helmut Bälz GmbH | Steam injector |
EP1106838A1 (en) * | 1999-12-10 | 2001-06-13 | Zhuhai Velocity of Sound Technology Ltd. | Heating system component |
DE10028944A1 (en) * | 2000-06-16 | 2001-12-20 | Pharmagg Systemtechnik Gmbh | Washing apparatus involves heating liquid with steam flowing through nozzle; liquid can be heated by steam in region, especially base region, of outer drum enclosing drum |
US20080000098A1 (en) * | 2006-02-20 | 2008-01-03 | Choi Chul J | Drying machine and method for controlling the same |
WO2009105004A1 (en) * | 2008-02-20 | 2009-08-27 | Tetra Laval Holdings & Finance S.A. | An adjustable steam injector |
Also Published As
Publication number | Publication date |
---|---|
DE102013008435A1 (en) | 2014-11-20 |
EP2803760B1 (en) | 2016-07-06 |
EP2803760A2 (en) | 2014-11-19 |
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