EP0908685A2 - Réchauffeur de fluide - Google Patents

Réchauffeur de fluide Download PDF

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Publication number
EP0908685A2
EP0908685A2 EP98119017A EP98119017A EP0908685A2 EP 0908685 A2 EP0908685 A2 EP 0908685A2 EP 98119017 A EP98119017 A EP 98119017A EP 98119017 A EP98119017 A EP 98119017A EP 0908685 A2 EP0908685 A2 EP 0908685A2
Authority
EP
European Patent Office
Prior art keywords
liquid
diving bell
hollow body
combustion
wall
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Withdrawn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
EP98119017A
Other languages
German (de)
English (en)
Other versions
EP0908685A3 (fr
Inventor
Matthias Westermann
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.)
Giwatec Gesellschaft Zur Entwicklung Innovativer Warmeerzeugungs- und Unwelttechnischer Verfahren Mbh
Original Assignee
Giwatec Gesellschaft Zur Entwicklung Innovativer Warmeerzeugungs- und Unwelttechnischer Verfahren Mbh
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 Giwatec Gesellschaft Zur Entwicklung Innovativer Warmeerzeugungs- und Unwelttechnischer Verfahren Mbh filed Critical Giwatec Gesellschaft Zur Entwicklung Innovativer Warmeerzeugungs- und Unwelttechnischer Verfahren Mbh
Publication of EP0908685A2 publication Critical patent/EP0908685A2/fr
Publication of EP0908685A3 publication Critical patent/EP0908685A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/107—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using fluid fuel

Definitions

  • the invention relates to a device for heating a liquid the preamble of claim 1.
  • a device of this type is already known from US-A-2 233 675. These The device described serves to heat liquids of the most varied types Kind, also with the aim of their evaporation. What is special about the device is that the combustion gases from a gas burner into one Liquid submersible diving bell are guided on its outer circumference is provided with a perforated plate through which the combustion gases passed through and distributed directly in the liquid. It will already pointed out in this old American patent specification that on practically the entire calorific value of the Fuel can be transferred to the liquid.
  • the gas burner is at the subject of the American patent within the diving bell arranged.
  • the diving bell with its for the distribution of the combustion gases provided perforated sheet in the subject of the US patent free in the heating volume of liquid, namely at the bottom of the liquid container.
  • the perforated plate is on its outer circumference with an annular apron provided, which forces the combustion gases upwards through the perforated plate to emerge and not to flow past its outer edge. Because the diving bell with the perforated plate and its peripheral apron on the bottom of the container stands, the apron is on its lower edge with wavy recesses for fluid communication and fluid pressure equalization between the rooms inside and outside the diving bell.
  • a large volume of liquid storage has the advantage that it is vertical in the absence of turbulent flow Forms temperature stratification, which can be used to generate thermal energy to supply this stratification in suitable temperature ranges and to decrease.
  • boilers in which also directly with the Combustion gases from a burner are a heat transfer fluid, as a rule Water, is heated without pressure, with a high efficiency being achieved by also the water vapor from the combustion gases is still directly in the Heat transfer fluid is condensed.
  • the well-known boilers work with a relatively small volume of a heat transfer fluid and are designed so that the combustion gases as possible from below flow through the entire column of heat transfer fluid in order to limited to the relatively small volume of the heat transfer fluid, a high one To achieve heat utilization.
  • Such boilers are for example in EP-A-0 466 748 and DE-C-195 09 461.
  • the invention has for its object the liquid heating system from US-A-2 233 675 for drinking water and process water heating as well make the space heating usable.
  • Exhaust gas heat exchanger to be provided with the liquid relatively lower Temperature is supplied from the lowest layers of the storage volume. The thus warmed up liquid is then in a suitable place in the temperature stratification of the memory returned. This way the rest Exhaust gas heat is optimally used in the device itself.
  • the in the heat transfer fluid stored heat energy for external use heat exchanger to be provided within the device.
  • it is more advantageous to use external heat exchanger because external heat exchanger with special flow conditions and very high heat transfer to let. So it makes sense in the context of the present invention, hot water for the bathroom, for example, in a highly sensitive plate heat exchanger to generate the externally with heat transfer fluid from the invention Device is powered by a power-controlled charge pump. Because hot water generally requires the highest heat level in household consumption, the heat transfer fluid is expedient for such a heat exchanger from the uppermost layering area of the device according to the invention withdrawn and the return in the lowest area of the device fed again.
  • a solar heating system is connected to the device according to the invention, this should be designed so that it is at water temperatures below about 60 ° C. switches off under which condition the one heated in the solar heat exchanger Heat transfer fluid then immediately the uppermost area of the invention Device can be supplied.
  • connections in the container wall are those of the invention to provide the device at the appropriate height.
  • Temperature is automatically fed to the correct temperature layer in the container, so that flow vortices are largely avoided by the return line.
  • the device according to the invention is also expediently inside of the container also provided with suitable baffles that meet the target serve unnecessary currents disturbing the temperature stratification within the To avoid the container.
  • the diving bell to which the combustion gases are fed, dives in the frame the invention preferably from above only up to a third of the maximum Liquid level into the liquid.
  • the immersion depth of the bell based on the liquid level, also be much less, for example less than a quarter of the Liquid column.
  • a combustion chamber with a burner outside the diving bell to arrange and only the combustion gases in the diving bell introduce.
  • the combustion chamber is preferably located within the Diving bell, the burner expediently through the top wall the diving bell extends into the combustion chamber.
  • the diving bell itself forms the combustion chamber. In this case, kick the combustion gases into the liquid over the bottom of the diving bell out.
  • This arrangement has the disadvantage that when the burner is switched off and switched off combustion air the liquid fills the diving bell from below and a gas space is only generated again by the combustion air blower before the burner can be switched on again.
  • the embodiment of the invention should be the case that the low immersion depth
  • the diving bell in the liquid is insufficient to hold the entire under it Arrange combustion chamber. It can therefore have a different training special guidance for the combustion gases may be required.
  • Such an expedient embodiment is, for example, that the Combustion chamber is formed by a hollow body, the bottom by a Beden is closed and open at the top, and from below into the diving bell protrudes, but it itself over the lower edge of the diving bell can dip into the liquid, the more volume for the To provide the combustion chamber and the burner.
  • a combustion gas guide tube provided by the top wall of the diving bell protrudes into the combustion chamber, but not to on their floor.
  • the combustion gases then flow out of the lower area the combustion chamber under the lower edge of the combustion gas pipe into a gap between this guide tube and the outer wall of the hollow body of the combustion chamber and flow in this space upwards and then over the top edge of the hollow body into the space between the outer wall of the hollow body and the diving bell to flow downwards again in this space.
  • the exit cross section the diving bell is that of this ring-like space between the outer wall of the hollow body of the combustion chamber and the diving bell.
  • the combustion gases arrive from the lower edge of the diving bell then under the perforated plate surrounding the diving bell and flow through it into the liquid volume above the perforated plate.
  • the outer circumference ends the perforated plate freely in the liquid.
  • the perforated plate is on its outer circumference provided with a downwardly projecting collar, which prevents the combustion gases past the peripheral edge of the perforated plate upwards leak the liquid.
  • the liquid volume of the device according to the invention can, for example are between 600 and 1200 liters.
  • FIG. 1 An exemplary embodiment of a Device for heating a heat transfer fluid shown.
  • the simplified one Sectional drawing shows a container 2 with three liquid layers 4, the different temperatures according to that applied below the container 2 Show hatching fields.
  • a diving bell 6 arranged on which a burner 10 is attached.
  • the burner 10 is from surrounded a hollow body 20 closed at the bottom, which has a combustion chamber 8 forms.
  • a perforated plate 14 is provided.
  • an annular channel with an outlet cross section 12 through which the Combustion gas is led into the liquid 4 below the perforated plate 14.
  • Within the hollow body 20 is a guide tube 22 for the combustion gas arranged so that the combustion gas from the burner 10 is initially down and then between the guide tube 22 and the hollow body 20 upwards and finally can flow down between hollow body 20 and diving bell 6.
  • the container 2 has connections 16 for the supply and discharge of the liquid 4 fitted. To keep liquid flows of different return temperatures in Being able to introduce different temperature ranges is also a So-called stratified loader 18 is provided. Outside of the container 2 is another Exhaust gas heat exchanger 24 arranged, which expediently with liquid 4th from the lowest temperature range to the exhaust heat to be able to take full advantage of it.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
EP98119017A 1997-10-09 1998-10-08 Réchauffeur de fluide Withdrawn EP0908685A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1997144478 DE19744478C1 (de) 1997-10-09 1997-10-09 Vorrichtung zum Erwärmen einer Flüssigkeit
DE19744478 1997-10-09

Publications (2)

Publication Number Publication Date
EP0908685A2 true EP0908685A2 (fr) 1999-04-14
EP0908685A3 EP0908685A3 (fr) 2001-05-09

Family

ID=7844960

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98119017A Withdrawn EP0908685A3 (fr) 1997-10-09 1998-10-08 Réchauffeur de fluide

Country Status (2)

Country Link
EP (1) EP0908685A3 (fr)
DE (1) DE19744478C1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2233675A (en) 1936-11-02 1941-03-04 Firm Silesia Ver Chemischer Fa Device for heating liquids
EP0466748A1 (fr) 1989-04-05 1992-01-22 Herwisolar Gmbh Forschung Und Chaudiere en plastique avec epuration integree des gaz d'echappement.
DE19509461C1 (de) 1995-03-20 1996-05-15 Inst Wirtschaftliche Oelheizun Heizkessel für flüssige oder gasförmige Brennstoffe

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2130770A1 (de) * 1971-06-22 1972-12-28 Linde Robert Von Dipl Ing Heizanlage fuer Schwimmbaeder
DE2722882A1 (de) * 1977-05-20 1978-11-23 Koelbel Gert Friedrich Gymnastikgeraet fuer zug- und druckuebungen
JPS5589644A (en) * 1978-12-25 1980-07-07 Hiroki Sano Hot air heater for liquid
DE3570913D1 (en) * 1984-02-08 1989-07-13 Pulmatec Holding Inc Process and apparatus for heating a liquid in a non-polluting way
DE3640281A1 (de) * 1986-11-25 1988-06-01 Weiss Hans Joachim Heizvorrichtung, insbesondere fuer fluessige oder gasfoermige brennstoffe
DE9310503U1 (de) * 1993-07-14 1994-02-17 Herle, Alexander P., 76297 Stutensee Einrichtung für die Beheizung des Zulaufs und die Verbesserung der Leistung anaerober Anlagen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2233675A (en) 1936-11-02 1941-03-04 Firm Silesia Ver Chemischer Fa Device for heating liquids
EP0466748A1 (fr) 1989-04-05 1992-01-22 Herwisolar Gmbh Forschung Und Chaudiere en plastique avec epuration integree des gaz d'echappement.
DE19509461C1 (de) 1995-03-20 1996-05-15 Inst Wirtschaftliche Oelheizun Heizkessel für flüssige oder gasförmige Brennstoffe

Also Published As

Publication number Publication date
EP0908685A3 (fr) 2001-05-09
DE19744478C1 (de) 1999-06-17

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