EP0005704A1 - Vorrichtung zur Produktion von Heisswasser oder -luft - Google Patents

Vorrichtung zur Produktion von Heisswasser oder -luft Download PDF

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Publication number
EP0005704A1
EP0005704A1 EP19780400103 EP78400103A EP0005704A1 EP 0005704 A1 EP0005704 A1 EP 0005704A1 EP 19780400103 EP19780400103 EP 19780400103 EP 78400103 A EP78400103 A EP 78400103A EP 0005704 A1 EP0005704 A1 EP 0005704A1
Authority
EP
European Patent Office
Prior art keywords
elements
horizontal
rectilinear
hearth
tubes
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.)
Ceased
Application number
EP19780400103
Other languages
English (en)
French (fr)
Inventor
Maurice Gravier
Jean-Claude Gravier
Denis Gravier
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.)
GRAVIER JEAN CLAUDE
Original Assignee
GRAVIER JEAN CLAUDE
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 GRAVIER JEAN CLAUDE filed Critical GRAVIER JEAN CLAUDE
Publication of EP0005704A1 publication Critical patent/EP0005704A1/de
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B1/00—Stoves or ranges
    • F24B1/18—Stoves with open fires, e.g. fireplaces
    • F24B1/185—Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion
    • F24B1/188—Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion characterised by use of heat exchange means , e.g. using a particular heat exchange medium, e.g. oil, gas  
    • F24B1/1885—Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion characterised by use of heat exchange means , e.g. using a particular heat exchange medium, e.g. oil, gas   the heat exchange medium being air only
    • F24B1/1886—Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion characterised by use of heat exchange means , e.g. using a particular heat exchange medium, e.g. oil, gas   the heat exchange medium being air only the heat exchanger comprising only tubular air ducts within the fire
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B1/00—Stoves or ranges
    • F24B1/18—Stoves with open fires, e.g. fireplaces
    • F24B1/183—Stoves with open fires, e.g. fireplaces with additional provisions for heating water

Definitions

  • the invention is in the field of apparatus for producing hot water, in particular for. central heating. It relates to a device allowing better use of the heat produced in a fireplace, whether that of an open fireplace or that of a boiler.
  • This device comprises rectilinear horizontal and vertical elements, elements inside which is determined a thin volume in which the fluid circulates in the form of a film.
  • a device consisting of two double plates arranged one under fire, the other against the bottom of the chimney, and inside which the water of a central heating installation circulates in streamers.
  • This type of device has the disadvantage of requiring the presence of a grid on the double hearth plate to receive the fuel.
  • a device is also known in which a heat exchanger is constituted by a hearth grid comprising internal channels traversed by the fluid which circulates in the central heating. Means are also provided for regulating the temperature of the exchanger, consisting of a glass plate forming the natural opening of the chimney, and a fresh air intake duct with variable flow, opening at the grid.
  • a device of this kind has the drawback of being complex, long and difficult to install, and of high cost price.
  • the invention relates to an improved device for producing hot water which has the advantage of being simple in construction, easy to install and which makes it possible to quickly recover the heat from a fire installed in an open fireplace, for example. .
  • An improved device for producing hot water or hot air in the hearth of an open fire or in the hearth of a boiler according to the invention and intended to supply an installation comprising several radiators consists at least a battery of horizontal rectilinear elements, disposed in the focal point where it forms a grid, rectilinear elements inside which is determined a thin volume in which a fluid circulates in the form of a film, said rectilinear elements being joined together by fluid intake and discharge collectors, these collectors being themselves connected to the use circuit.
  • the horizontal rectilinear elements extend at their ends situated towards the bottom of the chimney by vertical rectilinear elements of the same internal structure.
  • the essential characteristic sought for the rectilinear elements is that it is determined internally in volume of any general shape, but of small thickness, for example between 2 and 5 mm, so that the fluid circulation circulates in the form of a film and can quickly reach a high temperature.
  • the rectilinear elements the shape ensuring them the largest possible heat exchange surface. Because the horizontal elements are placed in a battery and form a grid, heating is provided both from above and from below. This leads to prefer for these elements enveloping forms retaining the maximum heat, such as elements with a general U-shaped or inverted V section, or cylindrical-conical section.
  • the vertical rectilinear elements extending the horizontal rectilinear elements may also have this section, which determines a corridor to guide the circulation of heat and correspond to maximum recovery of calories.
  • this design it is possible to provide means for regulating easy implementation, since it is possible to reduce the heat exchange surface by sealing the open part of the rectilinear elements by interposing between the embers located under the battery and the elements of the plates which can be operated manually.
  • the rectilinear elements can consist of tubes having a core consisting of a circular bar, full or hollow, delimiting inside each tube an annular volume for the circulation of the fluid supplying the radiators.
  • the thickness of this annular volume will be between 2 and 5 millimeters.
  • the bars are joined two by two by pins passing through the tubes, but any other means of holding the bars inside the tubes may be suitable, such as butt welds for example.
  • the bars can be provided with longitudinal fins arranged in a cross along four generatrices of their cylinder. This arrangement ensures an excellent distribution of the heat in the device by propagation of the heat from the fins to the bar immersed in the fluid.
  • the sum of the cross sections of the annular volumes delimited by the bars and the tubes is greater than or equal to the cross section of the water inlet to the first collector.
  • the device In the case where the device is intended to be installed in an open fire, it is preferably made up of two batteries of rectilinear elements, a battery arranged horizontally above the hearth plate, and another against the bottom of the fireplace. In case the device is intended to be installed in the hearth of a boiler it is preferably made up of at least two batteries of rectilinear elements. These batteries of elements are preferably arranged horizontally one above the other so as to obtain an arrangement of elements in staggered rows.
  • the thickness of the film will be slightly greater than that provided for water circulation.
  • a device for producing hot water consisting of two batteries of tubes: a battery of tubes 2 arranged at the hearth and a battery of tubes 3 arranged against the bottom of the chimney.
  • the tubes 2 and 3 are joined by manifolds 4,5 and 6, connected at 7 and 8, in known manner, to a set of radiators not shown.
  • the battery of tubes 2 forms a hearth grid and receives, for example, logs.
  • the tubes 2 and 3 have a core formed by a solid bar 9.
  • the bars 9 are held inside the tubes, and between them, by pins 10. Between the bars 9 and the tubes 2 and 3 is delimited a annular space 11 in which the water circulates.
  • FIG. 4 shows another embodiment of the tubes of the device.
  • a tube 12 has a core 13 which is a solid bar with four longitudinal fins 14.
  • the fins pass through the tubes and provide excellent heating of the water circulating in the four spaces 15 delimited between the bar, the fins and the tube, the heat of the fuel being transmitted by conduction from the outer edges of the fins to the tube and the inner bars.
  • FIG 5 there is shown another embodiment of the straight elements of the device according to the invention. These elements 16 have a cross section of inverted U shape and are connected to vertical elements 17 which have been shown here in one piece.
  • fins 18 which can be operated by a linkage not shown in the figure.
EP19780400103 1978-06-05 1978-09-19 Vorrichtung zur Produktion von Heisswasser oder -luft Ceased EP0005704A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7817418 1978-06-05
FR7817418A FR2428209A1 (fr) 1978-06-05 1978-06-05 Dispositif perfectionne de production d'eau chaude ou d'air chaud

Publications (1)

Publication Number Publication Date
EP0005704A1 true EP0005704A1 (de) 1979-12-12

Family

ID=9209338

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19780400103 Ceased EP0005704A1 (de) 1978-06-05 1978-09-19 Vorrichtung zur Produktion von Heisswasser oder -luft

Country Status (2)

Country Link
EP (1) EP0005704A1 (de)
FR (1) FR2428209A1 (de)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2434519A (en) * 1942-04-18 1948-01-13 Raskin Walter Heat exchange conduit with a spiral fin having a capillary groove
FR69553E (fr) * 1956-04-20 1958-11-10 échangeur de chaleur tubulaire
US2960114A (en) * 1957-04-26 1960-11-15 Bell & Gossett Co Innerfinned heat transfer tubes
FR2269053A1 (de) * 1974-04-25 1975-11-21 Chausson Usines Sa
US4031602A (en) * 1976-04-28 1977-06-28 Uop Inc. Method of making heat transfer tube
US4050441A (en) * 1976-01-12 1977-09-27 Automobile Corporation Of America Grate and stove heating unit
US4078542A (en) * 1976-08-11 1978-03-14 Morton Metalcraft Co. Fireplace grate and blower
FR2394020A1 (fr) * 1977-06-07 1979-01-05 Gravier Denis Dispositif perfectionne de production d'eau chaude ou d'air chaud

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1549489A (en) * 1918-10-26 1925-08-11 Griscom Russell Co Oil cooler
FR2282095A2 (fr) * 1974-08-13 1976-03-12 Ass Eng Ltd Echangeur thermique

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2434519A (en) * 1942-04-18 1948-01-13 Raskin Walter Heat exchange conduit with a spiral fin having a capillary groove
FR69553E (fr) * 1956-04-20 1958-11-10 échangeur de chaleur tubulaire
US2960114A (en) * 1957-04-26 1960-11-15 Bell & Gossett Co Innerfinned heat transfer tubes
FR2269053A1 (de) * 1974-04-25 1975-11-21 Chausson Usines Sa
US4050441A (en) * 1976-01-12 1977-09-27 Automobile Corporation Of America Grate and stove heating unit
US4031602A (en) * 1976-04-28 1977-06-28 Uop Inc. Method of making heat transfer tube
US4078542A (en) * 1976-08-11 1978-03-14 Morton Metalcraft Co. Fireplace grate and blower
FR2394020A1 (fr) * 1977-06-07 1979-01-05 Gravier Denis Dispositif perfectionne de production d'eau chaude ou d'air chaud

Also Published As

Publication number Publication date
FR2428209A1 (fr) 1980-01-04
FR2428209B1 (de) 1982-05-28

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

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Effective date: 19841227