EP0672870A1 - Appareil pour chauffer de l'eau - Google Patents

Appareil pour chauffer de l'eau Download PDF

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Publication number
EP0672870A1
EP0672870A1 EP95102541A EP95102541A EP0672870A1 EP 0672870 A1 EP0672870 A1 EP 0672870A1 EP 95102541 A EP95102541 A EP 95102541A EP 95102541 A EP95102541 A EP 95102541A EP 0672870 A1 EP0672870 A1 EP 0672870A1
Authority
EP
European Patent Office
Prior art keywords
heat exchanger
water
side wall
main heat
combustion chamber
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
EP95102541A
Other languages
German (de)
English (en)
Other versions
EP0672870B1 (fr
Inventor
Richard Vetter
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
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0672870A1 publication Critical patent/EP0672870A1/fr
Application granted granted Critical
Publication of EP0672870B1 publication Critical patent/EP0672870B1/fr
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
    • F24H1/28—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 including one or more furnace or fire tubes
    • 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
    • F24H9/14—Arrangements for connecting different sections, e.g. in water heaters 
    • 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
    • F24H9/14—Arrangements for connecting different sections, e.g. in water heaters 
    • F24H9/146—Connecting elements of a heat exchanger

Definitions

  • the invention relates to a device for heating water, in particular a hot water boiler, with a combustion chamber enclosed by one or more water chambers and a heat exchanger arranged below the combustion chamber - hereinafter referred to as the main heat exchanger - consisting of parallel plates designed to hold water, which are used to form water an S-shaped course of the flue gases offset from one another and provided at their lateral edges with water channels which are connected via a plurality of water channels running transversely to the flue gases, the combustion chamber and the main heat exchanger being arranged in a housing which extends over the area of the main heat exchanger is equipped with exchangeable side walls.
  • the exchangeable side walls can be insulated sufficiently to prevent excessive heating or heat loss.
  • these side walls cause difficulties because they are heated too much and, moreover, excessive heat losses have to be accepted.
  • At least one exchangeable side wall is designed as a plate-shaped heat exchanger for heating water, this heat exchanger preferably being connected thermally in parallel with the other main heat exchanger consisting of staggered plates, for example by is fed from the water supply for the main heat exchanger and, like the main heat exchanger, flows into the water chamber surrounding the combustion chamber.
  • the fasteners for the detachable side walls are advantageously designed so that they can simultaneously serve as water supply or water drainage, i.e. supply the water to the heat exchanger and discharge the heated water again, as mentioned - into the water chamber or water chambers enclose the combustion chamber.
  • the water supply for the main heat exchanger and the side-mounted heat exchangers are designed so that the water inlet for the main heat exchanger is completely, at least for the most part, upstream of the water inflow for the side heat exchangers. This is to avoid that water is withdrawn from the main heat exchanger. It is said to absorb most of the water to be heated; the heat exchangers arranged on the side should thus be supplied in measured quantities, which can also be achieved by means of a throttle.
  • a combustion chamber 1 (area a) with burner 2 in the upper part and a water chamber 3 surrounding the combustion chamber 1, from which the heated water is discharged in the upper area.
  • a main heat exchanger 4 which extends essentially over the area b and consists of a plurality of horizontal plates 5 which are arranged one above the other and offset from one another and which have the flue gas coming from above S-shaped in the direction of the arrows 6 drive down to exit 7.
  • the plates 5 have water channels at their lateral edges, which are connected via guides running transversely to the flue gas flows, from one plate 5 to the next, higher plate 5 in the direction of arrows 8.
  • the colder water is supplied at about 9 ; the heated water leaves the main heat exchanger at plate 5, which is the top. The water then reaches the bottom of the water chamber 3, which surrounds the combustion chamber 1.
  • the side parts 11 connecting the two end faces 10 of the housing are designed like covers, essentially over the height of the area b, as exchangeable side walls 12, to which the edges of the plates 5 adjoin on the inside.
  • These side walls 12 can already form the end of the housing to the outside, but they can also be provided with a cover 13, which can also be designed as an insulating layer.
  • the side walls 12 on both sides of the housing according to FIG. 3 are designed as plate-shaped heat exchangers in such a way that their cavities 14 are supplied with several cavities in the sense of arrows 15 from the supply point 9 or water is discharged at the upper edge and the Water chamber 3 can be fed. This water flow at the entrance and exit of the side walls 12 is achieved by the fastening means for the side walls 12 shown in FIG. 4.
  • a screw 16 with head 17 and shaft 18 is provided, which is screwed into a continuous threaded hole of parts 3 and 9, respectively.
  • the shaft 18 is provided with a longitudinal bore 19 which opens via a radial bore 19 'into an annular space 20 which is delimited on the outside by a sleeve 22 provided with an outer bore 21.
  • the sleeve 22 is dimensioned in length and diameter such that it can serve as a spacer - its length practically corresponds to the wall thickness of the heat exchanger 12 - and also water from the cavities or the side walls 12 and the parts 3 that carry the water. 9 can not leak.
  • the sleeve 22 thus determines the Distance between the head 17 and the part 3 or 9 and is sealed on the outside against the outer walls of the heat exchanger 12.
  • the water reaches, for example, from the cavity 14 via the outer bore 21 into the annular space 20 and from there via the bore 19 'into the longitudinal bore 19 and from there finally into the water chamber 3. In the opposite direction, the water moves from the feed point 9 into the cavity 14.
  • the fastening screw 16 serves both to fasten the side walls 12 and to transfer water from the water supply to the cavity 14 and from this into the water chamber 3. If a side wall 12 is thus mounted, the aforementioned water path is thereby simultaneously determined.
  • FIGS. 5-7 Another possibility of fastening the side walls 12 and supplying water to the cavity 14 is shown in FIGS. 5-7.
  • 5 is constructed essentially the same as that described above. It has a combustion chamber 1 with a burner 2 in the upper region, designated a, to which the main heat exchanger is connected downwards in region b. The heated water leaves the boiler at 36.
  • a neutralization chamber 23 is provided through which the flue gas coming from the main heat exchanger is guided and brought into close contact with chemicals which cause the flue gas to be cleaned. The flue gas leaves the neutralization chamber at 24.
  • the side walls 12 designed as plate-shaped heat exchangers according to FIG. 6 have covers 13 and cavities 14. They are attached to the boiler housing by hinges 25 and 26 in such a way that they can be pivoted like a door about a vertical axis 27.
  • the hinges 25 and 26 consist of two concentrically nested tubes 28 and 29.
  • the inner tube 28 is connected to the side wall 12, while the outer tube 29 is attached to the boiler housing.
  • the inner tubes 28 are inserted from below into the outer tubes 29 and the side wall 12 is folded against the boiler housing.
  • An abutment 30 then prevents the side wall 12 from moving downward in the direction of the pivot axis 27.
  • further fastening means e.g. Screws 31
  • the side wall 12 is tightly attached to the boiler housing.
  • the inner tube 28 of the hinge 25 or 26 is provided with grooves 34, in which round cord rings 35 are inserted.
  • the round cord rings 35 act on the inner surface of the outer tube 29. They seal the hinges 25, 26 without impairing their mobility.
  • baffle 32 in the cavity 14 causes a flow in the direction of the arrows 33 and thus a favorable distribution of the water.
  • a plurality of baffles 32 can also be arranged in the cavity 14.
  • the hinges 25, 26 are accordingly used simultaneously to fasten the side wall 12 to the boiler housing and to supply and discharge water to the cavity 14. It is particularly advantageous with this arrangement that e.g. during maintenance and repair work, the interior of the boiler is easily accessible by pivoting the side wall 12 without interrupting the water path.

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)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
EP95102541A 1994-03-18 1995-02-23 Appareil pour chauffer de l'eau Expired - Lifetime EP0672870B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4409348A DE4409348A1 (de) 1994-03-18 1994-03-18 Vorrichtung zum Erwärmen von Wasser, insbes. Warmwasserheizkessel
DE4409348 1994-03-18

Publications (2)

Publication Number Publication Date
EP0672870A1 true EP0672870A1 (fr) 1995-09-20
EP0672870B1 EP0672870B1 (fr) 1998-05-20

Family

ID=6513206

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95102541A Expired - Lifetime EP0672870B1 (fr) 1994-03-18 1995-02-23 Appareil pour chauffer de l'eau

Country Status (4)

Country Link
EP (1) EP0672870B1 (fr)
AT (1) ATE166446T1 (fr)
DE (2) DE4409348A1 (fr)
DK (1) DK0672870T3 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1815882A (en) * 1929-05-16 1931-07-21 Davidson Louis Boiler
DE3318468A1 (de) * 1983-05-20 1984-11-22 Richard 3150 Peine Vetter Geraet zum erwaermen von wasser, insb. warmwasserheizkessel
EP0202641A2 (fr) * 1985-05-22 1986-11-26 SchiEver GmbH Chaudière

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1815882A (en) * 1929-05-16 1931-07-21 Davidson Louis Boiler
DE3318468A1 (de) * 1983-05-20 1984-11-22 Richard 3150 Peine Vetter Geraet zum erwaermen von wasser, insb. warmwasserheizkessel
EP0202641A2 (fr) * 1985-05-22 1986-11-26 SchiEver GmbH Chaudière

Also Published As

Publication number Publication date
ATE166446T1 (de) 1998-06-15
DE4409348A1 (de) 1995-09-21
DE59502204D1 (de) 1998-06-25
EP0672870B1 (fr) 1998-05-20
DK0672870T3 (da) 1999-02-15

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