EP0429371A1 - Heizkörper für Kessel für Wärmeträgerflüssigkeit - Google Patents

Heizkörper für Kessel für Wärmeträgerflüssigkeit Download PDF

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Publication number
EP0429371A1
EP0429371A1 EP90403316A EP90403316A EP0429371A1 EP 0429371 A1 EP0429371 A1 EP 0429371A1 EP 90403316 A EP90403316 A EP 90403316A EP 90403316 A EP90403316 A EP 90403316A EP 0429371 A1 EP0429371 A1 EP 0429371A1
Authority
EP
European Patent Office
Prior art keywords
fluid
jacket
boiler body
body according
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.)
Granted
Application number
EP90403316A
Other languages
English (en)
French (fr)
Other versions
EP0429371B1 (de
Inventor
André Kerautret
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.)
Bosch Thermotechnologie SAS
Original Assignee
Geminox SAS
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 Geminox SAS filed Critical Geminox SAS
Priority to AT90403316T priority Critical patent/ATE101706T1/de
Publication of EP0429371A1 publication Critical patent/EP0429371A1/de
Application granted granted Critical
Publication of EP0429371B1 publication Critical patent/EP0429371B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/24—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers
    • F24H1/26—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body
    • F24H1/263—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body with a dry-wall combustion chamber
    • 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
    • F24H9/00—Details
    • F24H9/0005—Details for water heaters
    • F24H9/0036—Dispositions against condensation of combustion products
    • 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
    • F24H9/00—Details
    • F24H9/12—Arrangements for connecting heaters to circulation pipes
    • F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters

Definitions

  • the invention relates to a body of a heating fluid heating boiler, arranged horizontally and at least partially enveloped by a jacket for the circulation of said fluid, generally water.
  • the combustion gases are more or less saturated with water vapor depending on the excess air in the flame and also depending on the hydrogen content of the fuels used.
  • This vapor causes the well-known phenomenon of condensation, also known as the dew phenomenon, as soon as the gases thus saturated meet a wall whose temperature is below a certain temperature (around 55 ° C).
  • a boiler thus equipped makes it possible to envisage the elimination of the mixing valve, so that the regulation system of the boiler can act directly and only on the burner.
  • the invention provides a boiler body of the aforementioned type, the fluid circulation jacket being provided with a departure for the heated fluid and an inlet for the cooled return fluid, while one of the ends of the body is arranged to receive at least one burner and the other end is provided with an evacuation of combustion gases, and which is remarkable in that the arrival of the return fluid is in the form of a tube perforated distribution which is arranged in the upper part of the fluid jacket and which dives into it from the side opposite the burner, extending towards the side of the latter, while the outlet of the heated fluid is provided in the lower part of the fluid jacket and preferably on the side opposite the burner.
  • the distribution tube is rectilinear and arranged over substantially the entire length of the fluid jacket, while it is at least partially closed at its end and has a plurality of orifices distributed over its length.
  • the orifices of the dispensing tube are formed in the upper half of the latter, that is to say in the half facing the outer wall of the fluid jacket, for example in pairs.
  • the orifices of the distribution tube are closer to the side of the burner to be more numerous. In fact, it is obviously towards the burner that the thermal load is the greatest.
  • an orifice is provided towards the end of the distribution tube, and it is arranged so as to open into the lower half of it, it is to say in half facing the inside wall of the fluid jacket.
  • a deflector is provided between the orifice for discharging the impurities and the inner wall of the fluid jacket.
  • the invention further proposes that the inner wall of the fluid jacket be provided on the side opposite the burner with a closed peripheral envelope arranged at a short distance from said wall, while between the latter and said envelope is provided a volume for a fluid, so as to form a thin sheet of fluid projecting into the jacket.
  • the temperature of the combustion gases varies significantly between the heat source on the burner side and the exhaust side of the gases, so that it is advantageous to heat the wall of the latter side.
  • longitudinal partitions are provided between the inner wall of the fluid jacket and the peripheral envelope to reduce and / or eliminate any movement of convection of the fluid which is between said wall and said envelope.
  • the sheet thus formed could be waterproof, it may also be advantageous to fill it at the time of filling the boiler itself, in which case said envelope has at least one filling orifice and at least one degassing orifice. In the case where there are also longitudinal partitions, these then have openings for filling the volume forming the sheet.
  • the interior wall of the fluid jacket may be provided with a heat exchange surface with solid fins on its face facing the interior of the body, that is to say towards the gases of combustion.
  • the drawings show a boiler body 1 in the form of a horizontally arranged cylinder of revolution.
  • the cylinder forming the body 1 is surrounded by a second cylinder 2 coaxial with the first so as to form between them a closed volume which constitutes a jacket 3 in which water (or another heat transfer fluid) circulates.
  • the body 1 constitutes a combustion chamber and it is intended to receive at one of its ends, here the left end relative to FIG. 1, a burner 4 while at its other end, an evacuation is provided 5 of the combustion gases.
  • the body 1 forms the internal wall of the water jacket 3 and the cylinder 2 the external wall while the internal face of the body 1 is provided with an exchange surface with solid fins 6 as well shown in FIGS. 2 to 5.
  • This fin surface 6 makes it possible to ensure a rapid rise in temperature, the heat then being transmitted by conduction to the water which circulates in the jacket 3.
  • the body 1 is also provided with a pot 7 ( Figure 1) to better channel and laminate the combustion gases between the fins.
  • the water to be heated that is to say the water returning from the heating devices (radiators or other) arrives in the water jacket 3 in the upper part of it as shown in the drawings, that is to say in the zone which is by hottest natural convection, while the departure of the heated water is provided in the lower part.
  • the inlet tube 8 extends from the side opposite the burner towards the latter over the entire length of the jacket 3, its free end being closed as shown in FIG. 1.
  • the tube 8 also has perforations 10 for distributing water, over substantially its entire length, these being closer to the side of the burner so as to be more numerous on the warmer side (FIGS. 1 and 4) .
  • the perforations 10 are formed in pairs, as shown in Figures 2 to 5, in the upper half of the tube 8 ( Figures 1 to 5) so as to form jets towards the outer wall 2 of the jacket 3 for the reasons already mentioned above.
  • the body 1 constituting the inner wall of the jacket 3 is provided with a closed peripheral envelope 13 (FIGS. 1 and 3 to 5), which is arranged at a short distance from said wall so to form a volume for a fluid, such as water, thus constituting a thin sheet projecting into the jacket 3 as shown in Figures 1 and 4.
  • a fluid such as water
  • longitudinal partitions such as 14a and 14b ( Figures 4 and 5), in order to reduce and / or eliminate any convective movement of the water contained in said volume.
  • the envelope 13 is completely closed to constitute a sealed circuit independent of that of the jacket 3.
  • the casing 13 is then provided with at least one filling orifice such as 15a, 15b, 15c (figure 1) in the lower part and less water a degassing orifice such as 16a and 16b in the upper part ( Figures 3 and 5).
  • the longitudinal partitions 14a, 14b have, of course, also openings to allow the circulation of water during filling, such as 17a, 17b ( Figures 4 and 5).

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-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Central Heating Systems (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Gas Burners (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
EP90403316A 1989-11-24 1990-11-23 Heizkörper für Kessel für Wärmeträgerflüssigkeit Expired - Lifetime EP0429371B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90403316T ATE101706T1 (de) 1989-11-24 1990-11-23 Heizkoerper fuer kessel fuer waermetraegerfluessigkeit.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8915463 1989-11-24
FR8915463A FR2655134B1 (fr) 1989-11-24 1989-11-24 Corps de chaudiere de chauffage a fluide caloporteur.

Publications (2)

Publication Number Publication Date
EP0429371A1 true EP0429371A1 (de) 1991-05-29
EP0429371B1 EP0429371B1 (de) 1994-02-16

Family

ID=9387742

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90403316A Expired - Lifetime EP0429371B1 (de) 1989-11-24 1990-11-23 Heizkörper für Kessel für Wärmeträgerflüssigkeit

Country Status (5)

Country Link
EP (1) EP0429371B1 (de)
AT (1) ATE101706T1 (de)
DE (1) DE69006692T2 (de)
ES (1) ES2051489T3 (de)
FR (1) FR2655134B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997046835A1 (es) * 1996-06-03 1997-12-11 Francisco Alvarado Barrientos Mejoras en sistema de recuperacion de calor aplicadas a un calentador de agua
EP0870998A1 (de) * 1997-04-11 1998-10-14 De Dietrich Thermique Heizkessel mit Rücklaufwassereinspritzung unten im Heizkörper
CN101922792A (zh) * 2010-09-10 2010-12-22 无锡锡州机械有限公司 圆筒形热交换器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH186211A (de) * 1936-03-06 1936-09-15 Moeri & Cie Warmwasserheizkessel.
GB620218A (en) * 1947-01-09 1949-03-22 Radiation Ltd Improvements relating to gas heated water heaters
FR1285073A (fr) * 1961-03-29 1962-02-16 Dispositif pour l'introduction de l'eau de retour des installations de chauffage à eau chaude dans les chaudières de chauffage

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL66749C (de) * 1900-01-01

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH186211A (de) * 1936-03-06 1936-09-15 Moeri & Cie Warmwasserheizkessel.
GB620218A (en) * 1947-01-09 1949-03-22 Radiation Ltd Improvements relating to gas heated water heaters
FR1285073A (fr) * 1961-03-29 1962-02-16 Dispositif pour l'introduction de l'eau de retour des installations de chauffage à eau chaude dans les chaudières de chauffage

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997046835A1 (es) * 1996-06-03 1997-12-11 Francisco Alvarado Barrientos Mejoras en sistema de recuperacion de calor aplicadas a un calentador de agua
EP0870998A1 (de) * 1997-04-11 1998-10-14 De Dietrich Thermique Heizkessel mit Rücklaufwassereinspritzung unten im Heizkörper
FR2762075A1 (fr) * 1997-04-11 1998-10-16 Dietrich Thermique Chaudiere a injection basse d'eau de retour dans le corps de chauffe
CN101922792A (zh) * 2010-09-10 2010-12-22 无锡锡州机械有限公司 圆筒形热交换器

Also Published As

Publication number Publication date
ATE101706T1 (de) 1994-03-15
FR2655134B1 (fr) 1992-02-14
DE69006692D1 (de) 1994-03-24
EP0429371B1 (de) 1994-02-16
FR2655134A1 (fr) 1991-05-31
ES2051489T3 (es) 1994-06-16
DE69006692T2 (de) 1994-05-26

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