DE3034565A1 - Boiler heat-recovery equipment - comprises pipe coil with flat surface bearing against outside of flue pipe - Google Patents

Boiler heat-recovery equipment - comprises pipe coil with flat surface bearing against outside of flue pipe

Info

Publication number
DE3034565A1
DE3034565A1 DE19803034565 DE3034565A DE3034565A1 DE 3034565 A1 DE3034565 A1 DE 3034565A1 DE 19803034565 DE19803034565 DE 19803034565 DE 3034565 A DE3034565 A DE 3034565A DE 3034565 A1 DE3034565 A1 DE 3034565A1
Authority
DE
Germany
Prior art keywords
pipe
spiral
flue
coil
recovery equipment
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.)
Withdrawn
Application number
DE19803034565
Other languages
German (de)
Inventor
Hans-Jürgen 1000 Berlin Wentorf
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.)
WENTORF HANS JUERGEN
Original Assignee
WENTORF HANS JUERGEN
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 WENTORF HANS JUERGEN filed Critical WENTORF HANS JUERGEN
Priority to DE19803034565 priority Critical patent/DE3034565A1/en
Publication of DE3034565A1 publication Critical patent/DE3034565A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D21/0001Recuperative heat exchangers
    • F28D21/0003Recuperative heat exchangers the heat being recuperated from exhaust gases
    • F28D21/0005Recuperative heat exchangers the heat being recuperated from exhaust gases for domestic or space-heating systems
    • F28D21/0007Water heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/02Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
    • F28D7/024Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration

Abstract

The heat-recovery equipment is for a boiler used for domestic or industrial purposes, and comprises a pipe coil wound round the flue. The surface (14) of the pipe in the coil (10) bearing against the outside of the flue pipe (6) is flat. In cross-section, this pipe can be horseshoe-shaped, with a flat contact surface bearing closely against the flue pipe, or alternatively it can be of rectangular section. The design gives the max. rate of heat transfer between the gases in the flue and the water flowing through the pipe coil.

Description

Hans Jürgen Wentorf, Wildauer Str. 23, 1000 Berlin 49Hans Jürgen Wentorf, Wildauer Str. 23, 1000 Berlin 49

WärmerückgewinnungseinrichtungHeat recovery device

Die Neuerung bezieht sich auf eine Wärmerückgewinnungseinrichtung gemäss dem Oberbegriff des Schutzanspruches 1.The innovation relates to a heat recovery device according to the preamble of claim 1.

Bei einer aus dem DE-GM 79 31 44 2 bekannten Wärmerückgewinnungseinrichtung besteht die Rohrspirale aus im Querschnitt kreisförmigen,wärmebeständigen Rohr, das zur Rohrspirale gewickelt und um das Abgasrohr herum gelegt ist. Infolge der linienförmigen Berührung des im Querschnitt kreisförmigen Rohres der Rohrspirale erfolgt hierbei kein optimalerIn a heat recovery device known from DE-GM 79 31 44 2 the spiral tube consists of a heat-resistant tube with a circular cross-section, which becomes the spiral tube is wrapped and placed around the exhaust pipe. As a result of the linear contact of the circular cross-section The pipe of the pipe spiral is not optimal here

Wärmeübergang vom Abgasrohr auf die Rohrspirale bzw. vom das Abgasrohr durchströmenden Abgas auf das die Rohrspirale durchströmende Heizungswasser.Heat transfer from the exhaust pipe to the pipe spiral or from the Exhaust gas flowing through the exhaust pipe to the heating water flowing through the spiral pipe.

Der Neuerung liegt von daher die Aufgabe zugrunde, die Wärmerückgewinnungseinrichtung der gattungsgemässen Art dahingehend zu verbessern, dass ein optimaler Wärmeübergang zwischen dem Abgasrohr und der Rohrspirale bzw. zwischen dem das Abgasrohr durchströmenden Abgas und dem die Rohrspirale durchströmenden Heinzungswasser gewährleistet ist.The innovation is therefore based on the task of the heat recovery device of the generic type to improve to the effect that an optimal heat transfer between the exhaust pipe and the pipe spiral or between the the exhaust gas flowing through the exhaust gas and the heating water flowing through the spiral pipe is guaranteed.

Die Lösung dieser Aufgabe ergibt sich aus den Merkmalen des Schutzanspruches 1. Hierdurch wird eine ebene Kontaktfläche zwischen der inneren Oberfläche der Rohrspirale einerseits und der Mantelfläche des Abgasrohres andererseits geschaffen, wodurch ein optimaler Wärmeübergang vom das Abgasrohr durchströmenden Abgas auf das die Rohrspirale durchströmende Heizungswasser möglich ist.The solution to this problem results from the features of protection claim 1. This creates a flat contact surface created between the inner surface of the spiral pipe on the one hand and the outer surface of the exhaust pipe on the other hand, whereby an optimal heat transfer from the exhaust gas flowing through the exhaust pipe to the exhaust gas flowing through the pipe spiral Heating water is possible.

Eine besonders bevorzugte Ausführungsform ergibt sich aus Schutzanspruch 2. Hierdurch wird ein optimaler Wärmeübergang einerseits und eine gute Herstellbarkeit der Rohrspirale andererseits ermöglicht. Eine weitere mögliche Ausbildungsform ergibt sich aus Schutzanspruch 2.A particularly preferred embodiment results from protection claim 2. This results in an optimal heat transfer on the one hand and good manufacturability of the spiral pipe on the other hand. Another possible form of training results from protection claim 2.

Die Neuerung ist nachfolgend anhand eines in der Zeichnung dargestellten Ausführungsbeispieles näher erläutert. Es zeigen:The innovation is shown below using one in the drawing illustrated embodiment explained in more detail. Show it:

Fig. 1 eine Prinzipzeichnung einer Warmwasser-Zentralheizung mit einer eine Rohrspirale umfassenden Wärmerückgewinnungseinrxchtung,Fig. 1 is a schematic drawing of a hot water central heating system with a heat recovery device comprising a pipe spiral,

Fig. 2 die das Abgasrohr umgebende Rohrspirale undFig. 2 the pipe spiral surrounding the exhaust pipe and

Fig. 3 den vergrösserten Detailschnitt «durch die Mantelfläche des Abgasrohres und durch die Rohrspirale.3 shows the enlarged detail section through the Jacket surface of the exhaust pipe and through the pipe spiral.

Die Warmwasser- Zentralheizung umfasst einen Heizkessel 1 mit einem ölbrenner 2, eine zu einem Heizkörper 3 führende Vorlaufleitung 4, eine Rücklaufleitung 5, ein Abgasrohr 6 und ein Ausdehnungsgefäss 7. Parallel zur Vorlaufleitung ist eine Heizungsumwälzpumpe 8 geschaltet. Die Vorlaufleitung 4 und die Rücklaufleitung 5 sind über ein Mischerventil 9 miteinander verbunden. Das Abgasrohr 6 ist von einer Rohrspirale 10 aus wärmebeständigem Material umgeben, deren eine Anschlussleitung 11 in Strömungsrichtung vor dem Mischerventil 9 an die Rücklaufleitung 5 angeschlossen ist und deren andere Anschlussleitung 12 in Strömungsrichtung hinterThe hot water central heating system comprises a boiler 1 with an oil burner 2, a flow line 4 leading to a radiator 3, a return line 5, an exhaust pipe 6 and an expansion vessel 7. A heating circulation pump 8 is connected in parallel to the flow line. The flow line 4 and the return line 5 are connected to one another via a mixer valve 9. The exhaust pipe 6 is surrounded by a pipe spiral 10 made of heat-resistant material, one connection line 11 of which is connected to the return line 5 in the flow direction upstream of the mixer valve 9 and the other connection line 12 of which is downstream in the flow direction

dem Mischventil 9 an eine Bypassleitung 13 der Vorlaufleitung 4 angeschlossen ist, wobei in der Bypassleitung 13 die Heizungsumwälzpumpe 8 angeordnet ist.the mixing valve 9 to a bypass line 13 of the flow line 4 is connected, the heating circulation pump 8 being arranged in the bypass line 13.

Die in Fig. 2 gegenüber der Darstellung in Fig. 1 vergrössert dargestellte Rohrspirale 10 umschliesst das Abgasrohr mit mehr als 20 Windungen, wobei die einzelnen Windungen der
Rohrspirale 10 unmittelbar aneinanderliegen.
The tube spiral 10, shown enlarged in comparison with the illustration in FIG. 1, surrounds the exhaust pipe with more than 20 turns, the individual turns of the
Spiral pipe 10 lie directly against one another.

Gemäss der vergrösserten Darstellung in Fig. 3 ist die an der Mantelfläche des Abgasrohres 6 anliegende Oberfläche der Rohrspirale 10 eben ausgebildet/ wobei das Rohr der
Rohrspirale 10 im Querschnitt hufeisenförmig mit einer an der Mantelfläche des Abgasrohres eng anliegenden Kontaktoberfläche 14 ausgebildet ist. Hierdurch ist ein optimaler Wärmeübergang vom das Abgasrohr 6 durchströmenden Abgas
auf das die Rohrspirale 10 durchströmende Heizungswasser möglich.
According to the enlarged illustration in FIG. 3, the surface of the pipe spiral 10 resting on the jacket surface of the exhaust gas pipe 6 is flat / the pipe being the
Pipe spiral 10 is designed in cross-section in the shape of a horseshoe with a contact surface 14 that rests closely on the outer surface of the exhaust pipe. This results in an optimal heat transfer from the exhaust gas flowing through the exhaust gas pipe 6
on the heating water flowing through the spiral pipe 10 possible.

Claims (3)

SchutzansprücheProtection claims 1. Wärmerückgewinnungseinrichtung für Heizkessel in Haushalt und Industrie, aus einer das Abgasrohr umgebenden Rohrspirale, dadurch gekennzeichnet, dass die an der Mantelfläche des Abgasrohres (6) anliegende Oberfläche (14) der Rohrspirale'(10) eben ausgebildet ist.1. Heat recovery device for domestic boilers and industry, from a pipe spiral surrounding the exhaust pipe, characterized in that the on the lateral surface of the exhaust pipe (6) adjacent surface (14) of the pipe spiral '(10) is flat. 2. Wärmerückgewinnungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Rohr der Rohrspirale (10) im Querschnitt hufeisenförmig mit einer an der Mantelfläche des Abgasrohres (6) eng anliegenden ebenen Kontaktoberfläche (14) ausgebildet ist.2. Heat recovery device according to claim 1, characterized characterized in that the tube of the spiral tube (10) in cross section is horseshoe-shaped with a on the lateral surface of the Exhaust pipe (6) is formed tightly fitting flat contact surface (14). 3. Wärmerückgewinnungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, dass das Rohr der Rohrspirale (10) im Querschnitt rechteckig ausgebildet ist.3. Heat recovery device according to claim 1, characterized characterized in that the tube of the spiral tube (10) is rectangular in cross section.
DE19803034565 1980-09-10 1980-09-10 Boiler heat-recovery equipment - comprises pipe coil with flat surface bearing against outside of flue pipe Withdrawn DE3034565A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19803034565 DE3034565A1 (en) 1980-09-10 1980-09-10 Boiler heat-recovery equipment - comprises pipe coil with flat surface bearing against outside of flue pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19803034565 DE3034565A1 (en) 1980-09-10 1980-09-10 Boiler heat-recovery equipment - comprises pipe coil with flat surface bearing against outside of flue pipe

Publications (1)

Publication Number Publication Date
DE3034565A1 true DE3034565A1 (en) 1982-04-29

Family

ID=6111849

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19803034565 Withdrawn DE3034565A1 (en) 1980-09-10 1980-09-10 Boiler heat-recovery equipment - comprises pipe coil with flat surface bearing against outside of flue pipe

Country Status (1)

Country Link
DE (1) DE3034565A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4786015A (en) * 1986-12-31 1988-11-22 Sundstrand Corporation Structural cooling unit
GB2502247A (en) * 2012-01-17 2013-11-27 Malcolm Hunter Heat recovery device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4786015A (en) * 1986-12-31 1988-11-22 Sundstrand Corporation Structural cooling unit
GB2502247A (en) * 2012-01-17 2013-11-27 Malcolm Hunter Heat recovery device

Similar Documents

Publication Publication Date Title
DE2713510B2 (en) Exhaust valve of a reciprocating internal combustion engine
DE2512233A1 (en) Hot water boiler with calorifier - has economiser using intermediate water moving in counterflow as heat transfer medium (NL220976)
DE2330503C2 (en) boiler
DE3034565A1 (en) Boiler heat-recovery equipment - comprises pipe coil with flat surface bearing against outside of flue pipe
CH634642A5 (en) FLUE PIPE FOR BOILER.
CH626985A5 (en)
DE3221348C2 (en)
DE8024502U1 (en) HEAT RECOVERY DEVICE
DE8109822U1 (en) APPARATUS FOR WARMING UP A LIQUID
DE2809477C2 (en) Heat exchangers, especially for gas-fired water heaters
DE3619157C2 (en)
DE4406030C2 (en) Condensing boiler
AT405572B (en) Heat exchanger heated by burner flue gas - includes tubes for heated medium which has anti-corrosion layer applied only on tube sections without lamellae
DE2912241A1 (en) Water cooled chimney lining tube - has helical pipe wound round outside in double spiral
DE2435563A1 (en) Residual heat recovery from waste gases of boiler - for water-heating/central heating system with oil or natural gas firing
AT395779B (en) DEVICE FOR HEATING A LIQUID MEDIUM
DE60106247T2 (en) WATER HEATER WITH HEATER IN THE COMBUSTION ROOM
AT343320B (en) HEAT EXCHANGER FOR LIQUIDS
DE185866C (en)
EP0458427B1 (en) Combined water heater
DE3218863A1 (en) Electric flow heater
DE8234316U1 (en) Recuperative heat exchanger
AT410386B (en) ELECTRIC WATER HEATER
DE724554C (en) Fire gas heated continuous flow liquid heater
DE3344858A1 (en) Heating boiler for liquid and/or gaseous fuels

Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee