EP1568961B1 - Echangeur de chaleur à tubes avec conduite montante - Google Patents

Echangeur de chaleur à tubes avec conduite montante Download PDF

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Publication number
EP1568961B1
EP1568961B1 EP04003576A EP04003576A EP1568961B1 EP 1568961 B1 EP1568961 B1 EP 1568961B1 EP 04003576 A EP04003576 A EP 04003576A EP 04003576 A EP04003576 A EP 04003576A EP 1568961 B1 EP1568961 B1 EP 1568961B1
Authority
EP
European Patent Office
Prior art keywords
internal pipe
inner tube
radiator
inlet
heating
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.)
Expired - Lifetime
Application number
EP04003576A
Other languages
German (de)
English (en)
Other versions
EP1568961A1 (fr
Inventor
René Hotz
Uli Fischer
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.)
Zehnder Group International AG
Original Assignee
Zehnder Verkaufs und Verwaltungs AG
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 Zehnder Verkaufs und Verwaltungs AG filed Critical Zehnder Verkaufs und Verwaltungs AG
Priority to ES04003576T priority Critical patent/ES2326475T3/es
Priority to EP04003576A priority patent/EP1568961B1/fr
Priority to AT04003576T priority patent/ATE435412T1/de
Priority to DK04003576T priority patent/DK1568961T3/da
Priority to DE502004009687T priority patent/DE502004009687D1/de
Publication of EP1568961A1 publication Critical patent/EP1568961A1/fr
Application granted granted Critical
Publication of EP1568961B1 publication Critical patent/EP1568961B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/026—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits
    • F28F9/027—Header boxes; End plates with static flow control means, e.g. with means for uniformly distributing heat exchange media into conduits in the form of distribution pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/0002—Means for connecting central heating radiators to circulation pipes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/0002—Means for connecting central heating radiators to circulation pipes
    • F24D19/0026—Places of the inlet on the radiator
    • F24D19/0036—Places of the inlet on the radiator on the bottom in the middle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/0002—Means for connecting central heating radiators to circulation pipes
    • F24D19/0039—Places of the outlet on the radiator
    • F24D19/0048—Places of the outlet on the radiator on the bottom in the middle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/0002—Means for connecting central heating radiators to circulation pipes
    • F24D19/0073—Means for changing the flow of the fluid inside a radiator
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
    • F28D1/05316—Assemblies of conduits connected to common headers, e.g. core type radiators
    • F28D1/05325—Assemblies of conduits connected to common headers, e.g. core type radiators with particular pattern of flow, e.g. change of flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00—Components of central heating installations excluding heat sources
    • F24D2220/20—Heat consumers
    • F24D2220/2009—Radiators
    • F24D2220/2045—Radiators having horizontally extending tubes

Definitions

  • the invention relates to a radiator with at appropriate attachment substantially horizontal heating cables, with the heating cables at the ends fluidly connected substantially vertical distribution lines, an inlet and a return port and a arranged in a manifold inner tube, wherein the distribution lines and the heating cables with the inlet fluidically connect the return, the inner tube is connected to the manifold and a cross-section located between the inner tube and manifold cross-section heating medium sealed between the inlet and the rest of the radiator volume.
  • radiators of the type mentioned in the flow-side inlet manifold use an inner tube and place the Schuffenzulauf at the lower end of the manifold.
  • the inner tube is directly connected to the inlet connection with heating medium.
  • the disadvantage of such a radiator that the position of the radiator connection is fixed relative to the radiator. For this reason, such radiators are set in their design education relatively narrow limits.
  • radiators in which an inner tube is arranged in a distribution line and the Schuffenzulauf is not located directly on the distribution line.
  • the EP 0 928 939 A2 a tubular heater of the type described above, wherein the inner tube inserted into the flow-side inlet side manifold and is sealingly connected to this between the lower heating line and the rest of the radiator volume.
  • the inner tube is held in the manifold by a sleeve closing the lower end of the manifold.
  • the supply and return connections of the radiator are located on the lower heating tube.
  • the inner tube in a lower region disposed in the pipe jacket opening through which the interior the inner tube is connected to the outside area.
  • a disadvantage of these radiators is that relatively high flow losses are caused by the special design of the lower portion of the inner tube and the arrangement of the inner tube in the manifold. These flow losses in turn reduce the effect of improved by the arrangement of the inner tube efficiency of the radiator.
  • the flow losses are mainly due to the numerous diversions of the heating medium and by stall edges.
  • the inner tube is arranged in the distribution line so that the heating medium by the flow-wise the inlet and outlet facing end opening of the inner tube flows.
  • the inner tube has an arbitrary cross-sectional shape, but preferably the inner tube has a circular cross-section.
  • the inner tube is designed as a hollow cylinder. Under the end openings of the inner tube therefore the existing at both ends of the inner tube openings are understood.
  • the inner tube is flowed through by its frontal openings and its hollow interior of the heating medium.
  • the heating medium available flow cross section is not unnecessarily reduced. Therefore, occurring in the flow through the inner tube flow losses are reduced by avoiding unnecessary deflections and sharp stall edges.
  • the production of an inner tube used in radiators according to the invention is simplified and optimized in terms of cost, since, for example, no additional flow openings must be introduced into the lateral surface of the inner tube. Since the inner tube is flowed through over its entire length by the heating medium, the formation of Totströmungs responsibleen is also advantageously reduced, so that deposition of deposits and soiling is largely counteracted.
  • the inner tube in this case has a projection, which closes the cross-section located between the inner tube and the manifold heat-resistant.
  • Such inner tube is inexpensive to produce by suitable manufacturing processes.
  • the installation of such an inner tube in a radiator according to the invention is straightforward. Due to the heating medium-tight closing of the cross section between the inner tube and the distributor, a flow of the heating medium is forced exclusively through the inner tube, so that short-circuit flows, which run directly from the inlet to the return and do not flow through the remaining volume of the radiator, are prevented.
  • the shape of the outer contour of the inner tube connected to the distributor line preferably corresponds to the shape of the inner contour of the distributor line.
  • the inner tube is fixed by means of the same serving as a seal projection in the manifold, it is advantageously achieved that lying in the flow direction in front of the inner tube volume range of the manifold not by connecting contours between the inner tube and Distribution pipe is installed and is available as a flow cross section for the heating medium.
  • a further embodiment of the invention provides that instead of the projection of the arranged in the inlet-side manifold inner tube this is provided with a disc-like element which closes the cross-section located between the inner tube and manifold heating medium tight.
  • a disc-like element which closes the cross-section located between the inner tube and manifold heating medium tight.
  • an inner tube with any diameter dimensions is advantageously adaptable to any inner diameter and cross-sectional shapes of the manifold.
  • the disk-like element has an opening with an inner diameter corresponding to the outer diameter of the inner tube and an outer diameter corresponding to the inner diameter of the distributor line.
  • the shape of the opening and the outer contour of the disc-like element are adapted to the shape of the inner tube or the distribution line. If, for example, a distributor line with a rectangular inner contour is used, then the disk-like element has an outer contour corresponding to this.
  • a particularly advantageous embodiment of the invention provides that the inner tube is flared funnel-shaped at its inflow in the direction of flow end.
  • the funnel opening can taper conically or parabolically. Flow losses are largely minimized by such shapes of the flow-side inlet end of the inner tube. Especially at the widened end of the inner tube flow-causing tear-off edges in the flow path of the heating medium are largely avoided.
  • the outer contour of the funnel-shaped extension corresponds in shape and diameter of the shape and the diameter of the distribution line. In order to adapt a funnel-shaped widened inner tube to different distributor lines, a combination of such a distributor tube with the disc-like elements described above is also conceivable.
  • the disk-like element or the projection of the inner tube is welded to the distribution line, glued and / or screwed.
  • the inner tube is sealingly connected to the distribution line in a region between the lower and the heating line disposed above. In this way it is ensured that the heating medium flows through the entire volume range of the radiator before it leaves the radiator through the return.
  • the heat exchange between radiator and heating medium is optimized.
  • the inner tube is arranged in the upstream in the flow direction distribution line.
  • the projection or the disc-shaped element of the inner tube is located at its inlet end in the flow direction.
  • the inner tube is connected at its upstream in the flow direction end to the distribution line.
  • the inlet connection and the return connection are placed at the bottom of the radiator under the intended installation of the heating.
  • the inlet end of the inner tube is formed as a valve seat for a radiator valve.
  • a radiator valve is advantageously very flexible.
  • the regulating the Schumediumsfluß valve does not necessarily have to be mounted in the area of the inflows and outflows of the radiator. It is possible, for example, with poor Zunglindzier the inflows and outflows of the radiator to install the valve directly to the distribution line, so that a better and easier operation of the radiator is guaranteed.
  • the heating pipes arranged between the distribution lines can be curved in a straight line as well as in any desired manner. Especially The heating pipes can be bent semicircular. The arrangement of the heating pipes can also be done in almost any manner according to various design aspects.
  • Fig. 1 an embodiment of a radiator 1 according to the invention is shown.
  • the radiator 1 has horizontally and mutually parallel heating cables 2.
  • the heating cables 2 are fluidically connected at their two ends with distribution lines 3.
  • At the lower heating line 8 are the inlet port 9 and the return port 10.
  • the inlet 4 and the return 5 are by means of arrows in Fig. 1 characterized.
  • the inlet 4 is by means of a valve 6, regulated and lockable.
  • the lower heating line is sealed in the range between inlet and return by means of a suitable device heating medium tight. This can be realized for example by a sealing disc 19.
  • In the inflow in the flow direction distribution line 3a an indicated by a dashed line inner tube 7 is arranged.
  • the inner tube 7 is connected at its inlet end in the flow direction with the manifold 3a.
  • the inner tube 7 extends through the inflow-side manifold 3a substantially completely, so that an open outflow end 12 of the inner tube 7 in an upper region of the inflow-side distribution line 3a is located.
  • Fig. 1 the fürströmweg of the heating medium is indicated by the radiator 1 by means of arrows.
  • the heating medium flows through the inlet 4 into the lower heating line 8.
  • the heating medium flows into the lower region of the inlet-side distributor line 3, from there through the inflow-side end opening 13 of the inner tube through its interior to the open outlet end 12 of the inner tube , From there, the heating medium flows into the hollow cylindrical space 14 present between inner tube 7 and inlet-side distributor line 3a. From the hollow cylindrical space 14, the heating medium flows through the mutually parallel horizontal heating lines 2, from these into the return-side distributor line 3b. At the lower end of the return-side distribution line 3b, the heating medium flows back into the lower heating line 8 and leaves the radiator 1 through the return port 10th
  • Fig. 2 shows the lower portion of the inflow-side distribution line 3a with the heating lines 2 connected in this area in a detailed view.
  • the inflow-side distribution line 3a is closed at its lower end with a stopper 15.
  • the plug 15 closes the lower opening of the inlet side manifold 3a, which is used for insertion and mounting of the inner tube 7.
  • the plug 15 other components, such as the inlet to the radiator regulating valves, etc. may also be provided.
  • the inner tube 7 is sealingly connected to the distribution line 3 in the region between the lower heating line 8 and the remaining volume of the radiator.
  • the inner tube 7 at its inlet-side end a projection 16.
  • the inner tube 7 and the projection 16 are one-piece.
  • the projection 16 is connected to the manifold 3a by a weld 18.
  • FIG. 4 and FIG. 5 show further embodiments of the inner tube 7.
  • the inner tube 7 expands at its inlet-side end 11 parabolic aerodynamically.
  • the inlet-side end 11 of the inner tube 7 carries a ring element 17.
  • the ring element 17 has an inner diameter corresponding to the outer diameter of the inner tube 7 and is connected to the inner tube 7, for example by means of welding or shrinking.
  • the outer region of the projection 16 and the ring member 17 corresponds in shape and dimensions to the inner contours of the inlet-side manifold 3a, so that the present between the inner tube 7 and the inlet-side manifold 3a gap 18 is closed flow-tight , It may further be provided that the inflow-side end opening 13 of the inner tube 7 is formed as a valve seat, which can be sealed with a screwed instead of the plug 15 in the inlet-side manifold 3a valve.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
  • Resistance Heating (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)

Claims (11)

  1. Elément chauffant (1) comprenant des conduites de chauffage (2) sensiblement horizontales avec un agencement réglementaire, des conduites de répartition (3a, 3b) sensiblement verticales, reliées par écoulement aux conduites de chauffage sur leurs extrémités, un raccordement d'arrivée (9) et un raccordement de retour (10) et un tuyau intérieur (7) disposé dans une conduite de répartition, les conduites de répartition et conduites de chauffage reliant par écoulement l'arrivée au retour, le tuyau intérieur étant relié à la conduite de répartition et une section se trouvant entre le tuyau intérieur et la conduite de répartition étant rendue étanche à l'agent de chauffage entre l'arrivée et le volume restant de l'élément chauffant, caractérisé en ce que le tuyau intérieur est disposé de telle sorte que l'agent de chauffage circule à travers l'ouverture avant, affectée au niveau de l'écoulement à l'arrivée ou à l'évacuation du tuyau intérieur.
  2. Elément chauffant selon la revendication 1, caractérisé en ce que le tuyau intérieur présente un épaulement (16) qui ferme de façon étanche à l'agent de chauffage la section se trouvant entre le tuyau intérieur et la conduite de répartition.
  3. Elément chauffant selon la revendication 1, caractérisé en ce que le tuyau intérieur est doté d'un élément en forme de disque, qui ferme de façon étanche à l'agent de chauffage la section se trouvant entre le tuyau intérieur et la conduite de répartition.
  4. Elément chauffant selon la revendication 1 ou 2, caractérisé en ce que le tuyau intérieur est élargi en forme de parabole sur sont extrémité côté arrivée au niveau de l'écoulement.
  5. Elément chauffant selon la revendication 3, caractérisé en ce que l'élément en forme de disque est soudé, collé et/ou vissé au tuyau intérieur.
  6. Elément chauffant selon l'une quelconque des revendications 2 à 5, caractérisé en ce que l'élément en forme de disque ou l'épaulement du tuyau intérieur est soudé, collé et/ou vissé à la conduite de répartition.
  7. Elément chauffant selon l'une quelconque des revendications précédentes, caractérisé en ce que le tuyau intérieur est logé de façon étanche au tuyau intérieur dans une zone comprise la conduite de chauffage inférieure et la conduite de chauffage disposée au-dessus.
  8. Elément chauffant selon l'une quelconque des revendications précédentes, caractérisé en ce que le tuyau intérieur est disposé dans la conduite de répartition côté arrivée.
  9. Elément chauffant selon la revendication 8, caractérisé en ce que le tuyau intérieur est relié à la conduite de répartition sur son extrémité côté arrivée dans le sens d'écoulement.
  10. Elément chauffant selon l'une quelconque des revendications précédentes, caractérisé en ce que le branchement d'arrivée et le branchement de retour sont placés sur la conduite de chauffage inférieure avec un emplacement réglementaire de l'élément chauffant.
  11. Elément chauffant selon l'une quelconque des revendications 8 à 11, caractérisé en ce que l'extrémité, côté entrée dans le sens d'écoulement, du tuyau intérieur est conçue comme siège de soupape pour une soupape de l'élément chauffant.
EP04003576A 2004-02-18 2004-02-18 Echangeur de chaleur à tubes avec conduite montante Expired - Lifetime EP1568961B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES04003576T ES2326475T3 (es) 2004-02-18 2004-02-18 Radiador tubular con tubo ascendente.
EP04003576A EP1568961B1 (fr) 2004-02-18 2004-02-18 Echangeur de chaleur à tubes avec conduite montante
AT04003576T ATE435412T1 (de) 2004-02-18 2004-02-18 Röhrenheizkörper mit steigleitung
DK04003576T DK1568961T3 (da) 2004-02-18 2004-02-18 Rörvarmelegemer med stigeledning
DE502004009687T DE502004009687D1 (de) 2004-02-18 2004-02-18 Röhrenheizkörper mit Steigleitung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04003576A EP1568961B1 (fr) 2004-02-18 2004-02-18 Echangeur de chaleur à tubes avec conduite montante

Publications (2)

Publication Number Publication Date
EP1568961A1 EP1568961A1 (fr) 2005-08-31
EP1568961B1 true EP1568961B1 (fr) 2009-07-01

Family

ID=34745855

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04003576A Expired - Lifetime EP1568961B1 (fr) 2004-02-18 2004-02-18 Echangeur de chaleur à tubes avec conduite montante

Country Status (5)

Country Link
EP (1) EP1568961B1 (fr)
AT (1) ATE435412T1 (fr)
DE (1) DE502004009687D1 (fr)
DK (1) DK1568961T3 (fr)
ES (1) ES2326475T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE502006008381D1 (de) 2006-03-15 2011-01-05 Zehnder Verkauf Verwaltung Heizkörper
DE202018101858U1 (de) 2018-04-05 2018-04-17 Bemm Gmbh Heizkörper

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE1007008A3 (nl) * 1993-04-21 1995-02-14 Vasco Naamloze Vennootschap Handdoekradiator.
DE19800487A1 (de) * 1998-01-09 1999-07-15 Vasco Nv Röhrenheizkörper mit innerem Rohr

Also Published As

Publication number Publication date
DE502004009687D1 (de) 2009-08-13
EP1568961A1 (fr) 2005-08-31
DK1568961T3 (da) 2009-09-21
ATE435412T1 (de) 2009-07-15
ES2326475T3 (es) 2009-10-13

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