DE1961287C3 - Device for improving the heat transfer in heating devices with combustion chambers and heat exchangers, in particular for vehicle heaters - Google Patents
Device for improving the heat transfer in heating devices with combustion chambers and heat exchangers, in particular for vehicle heatersInfo
- Publication number
- DE1961287C3 DE1961287C3 DE19691961287 DE1961287A DE1961287C3 DE 1961287 C3 DE1961287 C3 DE 1961287C3 DE 19691961287 DE19691961287 DE 19691961287 DE 1961287 A DE1961287 A DE 1961287A DE 1961287 C3 DE1961287 C3 DE 1961287C3
- Authority
- DE
- Germany
- Prior art keywords
- heat
- heating
- heat transfer
- indirect
- 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.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2203—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from burners
- B60H1/2209—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from burners arrangements of burners for heating an intermediate liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2203—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from burners
- B60H1/2212—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from burners arrangements of burners for heating air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
-
- 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
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
- F24H3/065—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators using fluid fuel
-
- 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
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0233—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes the conduits having a particular shape, e.g. non-circular cross-section, annular
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H2001/2268—Constructional features
- B60H2001/2271—Heat exchangers, burners, ignition devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Air-Conditioning For Vehicles (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Description
bei Heizgeräten mit eigener Heizquelle für Fahrzeug- 30 bildet sind. Durch diese Weiterbildung der Erfindungin the case of heaters with their own heating source for vehicle 30 forms. Through this development of the invention
heizungen. wird erreicht, daß die indirekten Heizflächen voll zurheaters. it is achieved that the indirect heating surfaces are fully used
Es sind bereits Heizgeräte bekannt, bei denen der Wärmeübertragung herangezogen werden können.There are already known heaters in which the heat transfer can be used.
Wärmetauscher konzentrisch um den Heizraum an- Auch hiermit ist eine wesentliche Verbesserung desThe heat exchanger is attached concentrically around the boiler room. This, too, is a significant improvement in the
geordnet ist. Diese Anordnungen ermöglichen jedoch Wirkungsgrades verbunden. Es ergibt sich somit imis ordered. However, these arrangements allow associated efficiencies. It thus results in the
nur eine geringe Wärmebelastung pro Flächenein- 35 Ganzen ein Wärmetauscher mit hohem Wirkungs-only a low heat load per surface area - a heat exchanger with a high efficiency
heit, wobei außerdem ά·° Wärmebelastung über die grad von geringer Baugröße. Dabei wird durch diethat is, with ά · ° heat load on the degree of small size. The
Gesamtfläche nicht gleichmäßig ist. Diese bekannten Verwendung eines Wärmeringrohres als Wärmetau-Total area is not uniform. This known use of a heat ring pipe as a heat exchanger
Heizgeräte haben nur einen niedrigen Wirkungsgrad. schermantel die Wärme an der Oberfläche des Wär-Heating devices have only a low level of efficiency. shear jacket the heat on the surface of the
Es sind auch schon Raumheizgeräte bekanntge- metauschers gleichmäßig verteilt, so daß eine sehr inworden (deutsche Auslegeschrift 1177 306), bei de- 40 tensive Wärmeabgabe pro Flächeneinheit erzielt nen eine Verbesserung der Wärmeübertragung durch wird. Der hohe Wirkungsgrad kommt durch die mögein aufwendiges System von ineinandergeschalteten liehe sehr hohe Wärmebelastung pro Flächeneinheit Ringrohren vorgesehen ist. Bei diesen Anordnungen zustande.Space heaters are also known to have evenly distributed exchangers, so that one has become very important (German Auslegeschrift 1177 306), with a high level of heat dissipation per unit area will improve the heat transfer. The high degree of efficiency comes from the possibility complex system of interconnected borrowed very high heat load per unit area Annular tubes is provided. With these arrangements comes about.
tritt jedoch bei jedem der Ringrohre eine hohe Tem- In der Zeichnung ist ein Ausführungsbeispiel der
peraturdifferenz entlang der Brennkammer und des 45 Erfindung vereinfacht und schematich in Gestalt
Wärmetauschers auf. Schließlich hat man auch be- eines Wärmetauschers mit hoher Leistung für Kraftreits
die Brennkammer mit einem besonders guten fahrzeugstandheizungen dargestellt.
Wärmeleiter umgeben (französische Zusatzpatent- Ir, der Brennkammer 1, der sich eine Nachbrennschrift
70781 zur französischen Patentschrift kammer 2 anschließt, und die von einem Wärmering-1
141 808). Derartige Anordnungen tragen jedoch 50 rohr 7 als Brennkammerwand umgeben ist, vernicht
zur Vergleichmäßigung des Temperaturver- brennt der bei der Zündeinrichtung 4 eintretende
laufs entlang der Brennkammer bei, sondern verbes- Brennstoff mit der über das Heizluftgebläse 3 angesern
lediglich die Abfuhr der Wärme radial zur Kam- saugten Luft. Die Abgase gelangen in die Nachmer.
brennkammer 2 und werden beim Austritt aus dieserHowever, a high temperature occurs in each of the ring tubes. In the drawing, an embodiment of the temperature difference along the combustion chamber and the invention is simplified and schematically in the form of a heat exchanger. Finally, the combustion chamber with a particularly good vehicle parking heater has also been shown in a heat exchanger with high performance for Kraftreits.
Surrounding heat conductors (French additional patent Ir, the combustion chamber 1, which is followed by an afterburning document 70781 for the French patent specification chamber 2, and that of a heat ring-1 141 808). Such arrangements, however, contribute to the equalization of the temperature of the combustion chamber wall, destroys the course of the combustion chamber occurring at the ignition device 4, but improves fuel with which the heating air blower 3 merely removes the heat radially to the chamber - sucked in air. The exhaust gases get into the aftermath. combustion chamber 2 and are when exiting this
Der Erfindung liegt die Aufgabe zugrunde, eine 55 umgelenkt und an den indirekten Heizflächen 5 vor-Wärmeübertragungseinrichtung mit hoher Leistung beigeführt, um die Brennkammer 1 sodann über den zu schaffen, bei welcher die Wärme über die ganze Auslaßstutzen 6 zu verlassen. Die indirekten Heizflä-Länge der Brennkammer bzw. des Wärmetauschers chen 5 im Inneren sind Bestandteil der als Wärmegleichmäßig verteilt ist, d. h., bei der die Temperatur- ringrohr 7 ausgebildeten Brennkammerwand ebenso differenz über der Länge der Wärmeübertragungsein- 60 wie deren Boden 8, der zugleich die Umleitung der richtung etwa gleich Nu.l ist. Heizgase bewirkt. An der Außenfläche des Wärme-The invention is based on the object of a 55 deflected and pre-heat transfer device on the indirect heating surfaces 5 with high power added in order to then create the combustion chamber 1 via the, in which the heat to leave the entire outlet port 6. The indirect heating surface length the combustion chamber or the heat exchanger chen 5 inside are part of the as heat uniform is distributed, d. that is, in the case of the combustion chamber wall formed by the temperature ring tube 7 as well difference over the length of the heat transfer inlet 60 as its bottom 8, which is also the diversion of the direction is approximately equal to Nu.l. Heating gases causes. On the outer surface of the heat
Bei thermoionischen Anordnungen zur direkten ringrohres7 sind weitere indirekte Heizflächen 9 anErzeugung elektrischen Stromes ist die Verwendung geordnet. Die Heizluft tritt durch den Ringraum 10 von Wärmerohren bekannt, die doppelwandig als ge- ein, wird an dem Wärmeringrohr 7 und den indirekschlossene Ringrohre ausgebildet sind, der Innen- 65 ten Heizflächen 9 vorbeigeführt und verläßt die Heiraum evakuiert und mit einem Geflecht, insbeson- zung über den Stutzen 11. Die indirekten Heizflädere einem metallischem Geflecht, sowie einer ver- chen 5 bzw. 9 können dabei in gleicher Weise wie das danipfbaren Flüssigkeit gefüllt ist. Die Lösung der Wärmeringrohr aufgebaut sein, d.h. daß ein mitIn the case of thermionic arrangements for direct ring pipe 7, further indirect heating surfaces 9 are generated The use of electric current is ordered. The heating air passes through the annular space 10 known from heat pipes, which are double-walled as one, is attached to the heat ring pipe 7 and the indirectly closed Annular tubes are formed, the inner 65 th heating surfaces 9 passed and leaves the marriage room evacuated and with a braid, especially over the socket 11. The indirect heating elements a metallic braid, as well as a verchen 5 or 9 can be used in the same way as that the liquid that can be drawn off is filled. The solution to be constructed of the heat ring tube, i.e. that one with
einer verdampfbaren Flüssigkeit getränktes Geflecht in den evakuierten Innenraum der doppelwandig und geschlossen ausgebildeten Heizflächen eingebracht ist Die Verbindung der indirekten Heizflächen mit . dem Wärmeringrohr 7 kann durch Schweißung erfolgen Selbst wenn aus Fertigungsgründen auf die Anfügung von als Wännerohre ausgebildete indirekte Sachen verzichtet wird, ist infolge der Ausgestaltung der Brennkammerwand als Warmenngrohr eine erhebliche Wirkungsgradstelgerung möglich.a vaporizable liquid soaked mesh is introduced into the evacuated interior of the double-walled and closed heating surfaces. The connection of the indirect heating surfaces with. the heat pipe 7 ring can be done by welding, even if will be omitted for manufacturing reasons the attachment of Wännerohre designed as indirect things is due to the design of the combustion chamber wall as Warmenngrohr a significant augmentation Wirkungsgradste lg possible.
Hierzu 1 Blatt Zeichnungen1 sheet of drawings
Claims (3)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691961287 DE1961287C3 (en) | 1969-12-06 | 1969-12-06 | Device for improving the heat transfer in heating devices with combustion chambers and heat exchangers, in particular for vehicle heaters |
FR7042489A FR2072440A5 (en) | 1969-12-06 | 1970-11-26 | |
CA099,867A CA947600A (en) | 1969-12-06 | 1970-12-04 | Arrangement for improving the heat transfer of heating appliances |
SE1654270A SE384263B (en) | 1969-12-06 | 1970-12-07 | DEVICE FOR IMPROVING THE HEAT TRANSFER IN THE FIRE OF CHAMBER CHAMBER AND HEAT EXCHANGER |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19691961287 DE1961287C3 (en) | 1969-12-06 | 1969-12-06 | Device for improving the heat transfer in heating devices with combustion chambers and heat exchangers, in particular for vehicle heaters |
Publications (3)
Publication Number | Publication Date |
---|---|
DE1961287A1 DE1961287A1 (en) | 1971-07-01 |
DE1961287B2 DE1961287B2 (en) | 1973-10-18 |
DE1961287C3 true DE1961287C3 (en) | 1974-05-16 |
Family
ID=5753187
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19691961287 Expired DE1961287C3 (en) | 1969-12-06 | 1969-12-06 | Device for improving the heat transfer in heating devices with combustion chambers and heat exchangers, in particular for vehicle heaters |
Country Status (4)
Country | Link |
---|---|
CA (1) | CA947600A (en) |
DE (1) | DE1961287C3 (en) |
FR (1) | FR2072440A5 (en) |
SE (1) | SE384263B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3606888A1 (en) * | 1986-03-03 | 1987-09-10 | Norbert Garich | TRANSPORTABLE PROTECTIVE HOUSE |
DE4339045A1 (en) * | 1993-11-16 | 1995-05-18 | Knoll Anlagenbau Gmbh | Air heater for drying grain and cereal prods. |
-
1969
- 1969-12-06 DE DE19691961287 patent/DE1961287C3/en not_active Expired
-
1970
- 1970-11-26 FR FR7042489A patent/FR2072440A5/fr not_active Expired
- 1970-12-04 CA CA099,867A patent/CA947600A/en not_active Expired
- 1970-12-07 SE SE1654270A patent/SE384263B/en unknown
Also Published As
Publication number | Publication date |
---|---|
FR2072440A5 (en) | 1971-09-24 |
DE1961287B2 (en) | 1973-10-18 |
SE384263B (en) | 1976-04-26 |
DE1961287A1 (en) | 1971-07-01 |
CA947600A (en) | 1974-05-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) | ||
E77 | Valid patent as to the heymanns-index 1977 | ||
EHJ | Ceased/non-payment of the annual fee |