EP1634019B1 - Method and device for reducing the oil delivery rate of a heating furnace oil burner - Google Patents

Method and device for reducing the oil delivery rate of a heating furnace oil burner Download PDF

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Publication number
EP1634019B1
EP1634019B1 EP04736385A EP04736385A EP1634019B1 EP 1634019 B1 EP1634019 B1 EP 1634019B1 EP 04736385 A EP04736385 A EP 04736385A EP 04736385 A EP04736385 A EP 04736385A EP 1634019 B1 EP1634019 B1 EP 1634019B1
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EP
European Patent Office
Prior art keywords
oil
secondary medium
burner
feed
line
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Not-in-force
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EP04736385A
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German (de)
French (fr)
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EP1634019A1 (en
Inventor
Thomas Krämer
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Individual
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Individual
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K5/00—Feeding or distributing other fuel to combustion apparatus
    • F23K5/02—Liquid fuel
    • F23K5/08—Preparation of fuel
    • F23K5/10—Mixing with other fluids

Definitions

  • the invention is directed to a method and a device for reducing the oil flow rate of a boiler oil burner, in particular in the partial load range, using an oil supply to the oil burner of the type specified in the preamble of claim 1 and 3 respectively.
  • Oil burners and their regulations are available in many configurations, with a performance adjustment of the burner usually takes place via changes or configurations of the injectors.
  • here are the DE-697 04 464-T2 .
  • the electronic control of a heating system is, even as an example, in the DE-195 27 830-C2 described.
  • this object is achieved according to the invention in that the oil flow line is equipped with a rejuvenation, wherein the secondary medium is metered via an injection cannula in the tapering region or in the tapered oil flow line.
  • a control is provided to ensure that the supply of the secondary medium is stopped while burning oil burner until the supply line from the oil source to the burner nozzle completely and exclusively filled with oil without secondary medium.
  • the secondary medium supply is provided in the tapering region or in the tapered oil flow line.
  • the tapered oil supply line By the tapered oil supply line, a kind of Anstauraum is formed in the device according to the invention, which merges into the oil supply line of smaller diameter, wherein it is provided that the secondary medium supply is formed not only as a bore to this tapered part of the oil flow line, but as an injection needle, the outlet opening associated with the tapered region or the tapered region of the oil flow line.
  • the secondary feed is carried out by means of an injection needle
  • a simple regulation of the inflow quantities of the secondary medium for example of the water to be injected, can be achieved in that the injection opening variable by variable immersion of the injection needle in the oil flow line.
  • the secondary medium supply a Wegkugelabsperrventil to prevent an air intake is assigned in the absence of secondary medium.
  • the device is characterized i.a. even by a control control to turn off the secondary medium supply and maintaining an oil supply to the burner before its shutdown to ensure the filling of the oil supply line to the burner, exclusively with oil without secondary medium from.
  • an oil burner 1 is shown schematically with an upstream oil pump 2 in the oil supply line 3.
  • the oil is supplied from an oil reservoir, not shown, via a line 4 of the device generally designated 5, which is provided with a through hole, generally designated 6, is equipped, which decreases in cross-section, so as to form a storage space, designated in Fig. 3 with 7.
  • a secondary medium supply line 9 is provided, the secondary medium, e.g. Water, is supplied via a reservoir 10 of the supply line 9 with the interposition of a controllable valve 11th
  • FIG. 2 details of the device 5 are shown in view, this figure shows the secondary medium supply line with valve 11 and a gravity dosing, generally designated 12, which also has a corresponding, in Fig. 4 in section reproduced valve 13.
  • the secondary medium via the line 9 of the device 5 (in the figure) supplied from below, in the corresponding oil line 3 dives a cannula 14, wherein in the cannula, ie in the outlet opening 15, from the top of a regulating pin 16 is immersed, which is adjustable via a threaded member 17 and a screw cap 18 in its insertion depth into the cannula 14.
  • the regulating pin tapers towards its tip, this area is designated in Fig. 3 with 16a, so that the outlet opening 15 can be enlarged and reduced.
  • FIG. 3 shows a modification with an insertion sleeve 19 a for adapting the cross sections of the storage space 7 or the taper 7 a.
  • the floating ball valve shown merely as an example in FIG. 4 is assigned to the secondary medium supply line 9 and consists of a shut-off ball 20 in a valve seat 21, which generally floats in the secondary medium and abuts against an upper passageway 22 in the direction of gravity, thereby releasing the valve seat 21. Sinks According to the liquid level, the floating ball 20 also sinks and finally settles in the valve seat 21 and blocks the secondary medium supply line, designated by 9 'in FIG. 4, so that no air can be drawn in.
  • FIG. 5 a timing diagram is shown, and it is important here to the designated with 23 delay switch relay which ensures that the 24-called solenoid valve (MV) for the secondary medium (H 2 O) is then closed if the controller switching off causes the burner, wherein the time delay of the oil supply is ensured that the oil supply to the burner is maintained until it is ensured that no secondary medium is in the supply line to the burner.
  • MV solenoid valve
  • the described embodiment of the invention is still to be modified in many ways, without departing from the spirit.
  • the supply of the secondary medium may be electronically controllable depending on the burner temperature or depending on the exhaust gas values u. like. More. This possible electronic control is indicated by dashed lines in FIG. 2 and provided with the reference numeral 25.

Abstract

The invention relates to a method and a device for reducing the oil delivery rate of a heating furnace oil burner, particularly in the partial load range, using an oil inlet to an oil burner. The invention has the aim of optimizing the functioning of said oil burner especially in the partial load range. This is achieved in that a secondary medium, especially water, is added to the oil flow depending on the capacity of the burner by means of dosing armature allocated to an oil delivery line.

Description

Die Erfindung richtet sich auf ein Verfahren und eine Vorrichtung zur Reduzierung des Öldurchsatzes eines Heizkessel-Ölbrenners, insbesondere im Teillastbereich, unter Einsatz einer Ölzufuhr zu dem Ölbrenner der im Oberbegriff des Anspruches 1 bzw. 3 angegebenen Gattung.The invention is directed to a method and a device for reducing the oil flow rate of a boiler oil burner, in particular in the partial load range, using an oil supply to the oil burner of the type specified in the preamble of claim 1 and 3 respectively.

Ölbrenner und deren Regelungen gibt es in vielfacher Ausgestaltung, wobei eine Leistungsanpassung der Brenner in der Regel über Änderungen bzw. Ausgestaltungen der Einspritzventile erfolgt. Als Beispiel seien hier die DE-697 04 464-T2 , DE-197 25 266-A1 oder DE-43 04 068-A1 genannt. Die elektronische Regelung einer Heizanlage wird, auch dies lediglich als Beispiel, in der DE-195 27 830-C2 beschrieben.Oil burners and their regulations are available in many configurations, with a performance adjustment of the burner usually takes place via changes or configurations of the injectors. As an example, here are the DE-697 04 464-T2 . DE-197 25 266-A1 or DE-43 04 068-A1 called. The electronic control of a heating system is, even as an example, in the DE-195 27 830-C2 described.

Zur Regelung von Ölbrennern ist es auch bekannt, dem Ölfluss Wasser zuzudosieren. Dies zeigen z.B. die GB-2 193 347-A , FR-2 272 336-A , GB-1 545 510-A oder die US-3 766 942-A sowie die BE-882 496-A . Ein Verfahren gemäß dem Oberbegriff von Anspruch 1 bzw. eine Vorrichtung gemäß dem Oberbegriff von Anspruch 3 ist insbesondere aus der GB 2193347-A bekannt.For controlling oil burners, it is also known to meter water into the oil flow. This is shown by the example GB-2 193 347-A . FR-2 272 336-A . GB-1 545 510-A or the U.S. 3,766,942-A as well as the BE-882 496-A , A method according to the preamble of claim 1 and a device according to the preamble of claim 3 is in particular from GB 2193347-A known.

Es hat sich gezeigt, dass die bekannten Wasserzudosierungen nicht immer zum gewünschten Erfolg, insbesondere im Teillastbereich, führen. Hier setzt die Erfindung an, deren Aufgabe darin besteht, insbesondere im Teillastbereich die Wirkungsweise eines derartigen Ölbrenners zu optimieren.It has been found that the known Wasserzudosierungen not always lead to the desired success, especially in the part-load range. This is where the invention begins, the task of which is to optimize the operation of such an oil burner, in particular in the partial load range.

Mit einem Verfahren der eingangs bezeichneten Art wird diese Aufgabe gemäß der Erfindung dadurch gelöst, dass die Öldurchflussleitung mit einem Verjüngungsbereich ausgerüstet ist, wobei das Sekundärmedium über eine Injektionskanüle im Verjüngungsbereich oder in die verjüngte Öldurchflussleitung eindosiert wird.With a method of the type described, this object is achieved according to the invention in that the oil flow line is equipped with a rejuvenation, wherein the secondary medium is metered via an injection cannula in the tapering region or in the tapered oil flow line.

Es hat sich auch gezeigt, dass die Zufuhr von Wasser mittels einer Injektionskanüle in dem der Brennerdüse zuzuführenden Ölstrom, insbesondere im Teillastbereich, zu optimalen Werten führt, nicht nur das Brennverhalten wird optimiert, auch die Abgasqualität wird deutlich im Sinne des Umweltschutzes verbessert, wobei das Wasser vom Ölstrom mitgerissen wird.It has also been shown that the supply of water by means of an injection cannula in the burner nozzle to be supplied oil flow, especially in the partial load range, leads to optimal values, not only the combustion behavior is optimized, the exhaust quality is significantly improved in terms of environmental protection, the Water is entrained by the oil flow.

Um zu gewährleisten, dass der Brenner in jeder Situation nach Abschalten wieder zündet, ist dabei eine Steuerung vorgesehen, mit der gewährleistet wird, dass die Zufuhr des Sekundärmediums solange bei brennendem Ölbrenner gestoppt wird, bis die Zufuhrleitung von der Ölquelle bis zur Brennerdüse vollständig und ausschließlich mit Öl ohne Sekundärmedium gefüllt ist.To ensure that the burner re-ignites in any situation after shutdown, a control is provided to ensure that the supply of the secondary medium is stopped while burning oil burner until the supply line from the oil source to the burner nozzle completely and exclusively filled with oil without secondary medium.

Die oben angegebene Aufgabe wird mit einer erfindungsgemäßen Vorrichtung dadurch gelöst, dass die Sekundärmedium-Zuführung im Verjüngungsbereich oder in der verjüngten Öldurchflussleitung vorgesehen ist.The above object is achieved with a device according to the invention in that the secondary medium supply is provided in the tapering region or in the tapered oil flow line.

Durch die sich verjüngende Ölzufuhrleitung wird in der erfindungsgemäßen Vorrichtung eine Art Anstauraum gebildet, der in die Ölzufuhrleitung geringeren Durchmessers übergeht, wobei vorgesehen ist, dass die Sekundärmediumzuführung nicht nur als Bohrung zu diesem sich verjüngenden Teil der Öldurchflussleitung ausgebildet ist, sondern als Injektionsnadel, deren Austrittsöffnung dem sich verjüngenden Bereich oder dem verjüngten Bereich der Öldurchflussleitung zugeordnet ist.By the tapered oil supply line, a kind of Anstauraum is formed in the device according to the invention, which merges into the oil supply line of smaller diameter, wherein it is provided that the secondary medium supply is formed not only as a bore to this tapered part of the oil flow line, but as an injection needle, the outlet opening associated with the tapered region or the tapered region of the oil flow line.

Wird die Sekundärzuführung mittels einer Injektionsnadel durchgeführt, lässt sich eine einfache Regelung der Zuflussmengen des Sekundärmediums, z.B. des einzudüsenden Wassers, dadurch erreichen, dass die Injektions-öffnung durch variables Eintauchen der Injektionsnadel in die Öldurchflussleitung veränderbar ist.If the secondary feed is carried out by means of an injection needle, a simple regulation of the inflow quantities of the secondary medium, for example of the water to be injected, can be achieved in that the injection opening variable by variable immersion of the injection needle in the oil flow line.

Um zu erreichen, dass keine Luft angesaugt wird, kann vorgesehen sein, dass der Sekundärmediumzuführung ein Schwimmkugelabsperrventil zur Verhinderung einer Luftansaugung bei fehlendem Sekundärmedium zugeordnet ist.In order to ensure that no air is sucked in, it can be provided that the secondary medium supply a Schwimmkugelabsperrventil to prevent an air intake is assigned in the absence of secondary medium.

Schließlich zeichnet sich die Vorrichtung u.a. auch noch durch eine Regelungssteuerung zum Ausschalten der Sekundärmediumzuführung und Aufrechterhaltung einer Ölzufuhr zum Brenner vor dessen Abschaltung zur Sicherstellung der Füllung der Ölzufuhrleitung zum Brenner, ausschließlich mit Öl ohne Sekundärmedium, aus.Finally, the device is characterized i.a. even by a control control to turn off the secondary medium supply and maintaining an oil supply to the burner before its shutdown to ensure the filling of the oil supply line to the burner, exclusively with oil without secondary medium from.

Weitere Vorteile der Erfindung ergeben sich aufgrund der nachfolgenden Beschreibung sowie anhand der Zeichnung. Diese zeigt in

Fig. 1
eine vereinfachte schematische Darstellung eines Ölbrenners mit erfindungsgemäßer Sekundärmediumzufuhrarmatur,
Fig. 2
eine Ausgestaltung der erfindungsgemäßen Vorrichtung im Detail in Seitenansicht,
Fig. 3, 3a
je eine Ausschnittsvergrößerung der erfindungsgemäßen Vorrichtung im Schnitt in zwei Varianten,
Fig. 4
ein Schwimmkugelabsperrventil im Schnitt,
Fig. 4a
das Schwimmkugelabsperrventil in Aufsicht sowie in
Fig. 5
ein Steuerungsflußdiagramm.
Further advantages of the invention will become apparent from the following description and from the drawing. This shows in
Fig. 1
a simplified schematic representation of an oil burner with inventive secondary medium supply fitting,
Fig. 2
An embodiment of the device according to the invention in detail in side view,
Fig. 3, 3a
each an enlarged detail of the device according to the invention in section in two variants,
Fig. 4
a floating ball valve in section,
Fig. 4a
the Schwimmkugelabsperrventil in supervision and in
Fig. 5
a control flowchart.

In Fig. 1 ist schematisch ein Ölbrenner 1 dargestellt mit einer vorgeschalteten Ölpumpe 2 in der Ölzufuhrleitung 3. Das Öl wird aus einem nicht dargestellten Ölreservoir über eine Leitung 4 der allgemein mit 5 bezeichneten Vorrichtung zugeführt, die mit einer Durchgangsbohrung, allgemein mit 6 bezeichnet, ausgerüstet ist, die sich im Querschnitt verringert, um so einen Stauraum, in Fig. 3 mit 7 bezeichnet, zu bilden. Im Bereich der mit 8 bezeichneten Verjüngung ist eine Sekundärmediumzufuhrleitung 9 vorgesehen, wobei das Sekundärmedium, z.B. Wasser, über ein Reservoir 10 der Zufuhrleitung 9 zugeführt wird unter Zwischenschaltung eines steuerbaren Ventiles 11.In Fig. 1, an oil burner 1 is shown schematically with an upstream oil pump 2 in the oil supply line 3. The oil is supplied from an oil reservoir, not shown, via a line 4 of the device generally designated 5, which is provided with a through hole, generally designated 6, is equipped, which decreases in cross-section, so as to form a storage space, designated in Fig. 3 with 7. In the region of the taper indicated 8, a secondary medium supply line 9 is provided, the secondary medium, e.g. Water, is supplied via a reservoir 10 of the supply line 9 with the interposition of a controllable valve 11th

In Fig. 2 sind Einzelheiten zur Vorrichtung 5 in Ansicht wiedergegeben, so zeigt diese Figur die Sekundärmediumzufuhrleitung mit Ventil 11 und einer Schwerkraftdosiereinrichtung, allgemein mit 12 bezeichnet, die auch über ein entsprechendes, in Fig. 4 im Schnitt wiedergegebenes Ventil 13 verfügt.In Fig. 2 details of the device 5 are shown in view, this figure shows the secondary medium supply line with valve 11 and a gravity dosing, generally designated 12, which also has a corresponding, in Fig. 4 in section reproduced valve 13.

Eine der möglichen Einstellungen zur Zufuhr des Sekundärmediums zeigt dabei im Schnitt die Fig. 3. Dabei wird das Sekundärmedium über die Leitung 9 der Vorrichtung 5 (in der Figur) von unten zugeführt, in die entsprechende Ölleitung 3 taucht eine Kanüle 14 ein, wobei in die Kanüle, d.h. in deren Austrittsöffnung 15, von oben ein Regulierstift 16 eintaucht, der über ein Gewindeelement 17 und eine Schraubkappe 18 in seiner Eintauchtiefe in die Kanüle 14 verstellbar ist. Dabei verjüngt sich der Regulierstift zu seiner Spitze hin, dieser Bereich ist in Fig. 3 mit 16a bezeichnet, so daß die Austrittsöffnung 15 vergrößert und verkleinert werden kann.In this case, the secondary medium via the line 9 of the device 5 (in the figure) supplied from below, in the corresponding oil line 3 dives a cannula 14, wherein in the cannula, ie in the outlet opening 15, from the top of a regulating pin 16 is immersed, which is adjustable via a threaded member 17 and a screw cap 18 in its insertion depth into the cannula 14. In this case, the regulating pin tapers towards its tip, this area is designated in Fig. 3 with 16a, so that the outlet opening 15 can be enlarged and reduced.

In Fig. 3 ist dabei noch angedeutet, daß die Ölzustromleitung 3 mittels Einsteckhülsen, allgemein mit 19 bezeichnet, in ihrem Durchmesser den jeweiligen Brennerdaten anpaßbar ist. In Fig. 3a ist eine Abwandlung gezeigt mit einer Einsteckhülse 19a zur Anpassung der Querschnitte des Stauraumes 7 bzw. der Verjüngung 7a.In Fig. 3 is still indicated that the Ölzustromleitung 3 by means of push-in sleeves, generally designated 19, in their diameter the respective burner data is adaptable. FIG. 3 a shows a modification with an insertion sleeve 19 a for adapting the cross sections of the storage space 7 or the taper 7 a.

Das in Fig. 4 lediglich als Beispiel dargestellte Schwimmkugelventil ist der Sekundärmediumzufuhrleitung 9 zugeordnet und besteht aus einer Absperrkugel 20 in einem Ventilsitz 21, die im Regelfalle im Sekundärmedium schwimmt und sich an einem in Schwerkraftrichtung oberen Durchgangsgitter 22 anlegt und damit den Ventilsitz 21 freigibt. Sinkt der Flüssigkeitsspiegel entsprechend, sinkt auch die Schwimmkugel 20 ab und legt sich schließlich in den Ventilsitz 21 und sperrt die Sekundärmediumzufuhrleitung, in Fig. 4 mit 9' bezeichnet, ab, so daß keine Luft angesaugt werden kann.The floating ball valve shown merely as an example in FIG. 4 is assigned to the secondary medium supply line 9 and consists of a shut-off ball 20 in a valve seat 21, which generally floats in the secondary medium and abuts against an upper passageway 22 in the direction of gravity, thereby releasing the valve seat 21. Sinks According to the liquid level, the floating ball 20 also sinks and finally settles in the valve seat 21 and blocks the secondary medium supply line, designated by 9 'in FIG. 4, so that no air can be drawn in.

In Fig. 5 ist ein Steuerungsdiagramm wiedergegeben, wobei es hier auf das mit 23 bezeichnete Verzögerungsschalterrelais ankommt, welches dafür sorgt, daß das mit 24 bezeichnete Magnetventil (MV) für das Sekundärmedium (H2O) dann geschlossen wird, wenn die Steuerung das Abschalten des Brenners bewirkt, wobei durch die zeitliche Verzögerung der Ölzufuhr gewährleistet ist, daß die Ölzufuhr zum Brenner solange aufrechterhalten wird, bis sichergestellt ist, daß kein Sekundärmedium sich in der Zufuhrleitung zum Brenner befindet.In FIG. 5, a timing diagram is shown, and it is important here to the designated with 23 delay switch relay which ensures that the 24-called solenoid valve (MV) for the secondary medium (H 2 O) is then closed if the controller switching off causes the burner, wherein the time delay of the oil supply is ensured that the oil supply to the burner is maintained until it is ensured that no secondary medium is in the supply line to the burner.

Natürlich ist das beschriebene Ausführungsbeispiel der Erfindung noch in vielfacher Hinsicht abzuändern, ohne den Grundgedanken zu verlassen. So kann insbesondere die Zufuhr des Sekundärmediums je nach Brennertemperatur bzw. je nach Abgaswerten elektronisch steuerbar sein u. dgl. mehr. Diese mögliche elektronische Steuerung ist in Fig. 2 gestrichelt angedeutet und mit dem Bezugszeichen 25 versehen.Of course, the described embodiment of the invention is still to be modified in many ways, without departing from the spirit. In particular, the supply of the secondary medium may be electronically controllable depending on the burner temperature or depending on the exhaust gas values u. like. More. This possible electronic control is indicated by dashed lines in FIG. 2 and provided with the reference numeral 25.

Claims (7)

  1. A method of reducing the oil throughput rate of a heating furnace oil burner, in particular in the part-load range, using an oil feed, wherein a secondary medium, in particular water, is added to the oil flow in dependence on the burner output by way of a metering fitment (5) associated with the oil feed line (3, 4),
    characterised in that
    the oil through-flow line is provided with a narrowing region (7a), wherein the secondary medium is meteredly introduced by way of an injection duct in the narrowing region or into the narrowed oil through-flow line.
  2. A method according to claim 1 characterised in that the feed of the secondary medium is stopped when the oil burner is burning until the feed line from the oil source to the burner nozzle is filled completely and exclusively with oil without secondary medium.
  3. Apparatus for reducing the oil throughput rate of a heating furnace oil burner (1), in particular in the part-load range, using an oil feed by way of an oil line provided with a narrowing to an oil burner and a secondary medium feed fitment (5),
    characterised in that the secondary medium feed is provided in the narrowing region (7a) or in the narrowed oil through-flow line (3, 4).
  4. Apparatus according to claim 3 characterised in that the secondary medium feed is in the form of an injection needle (14) whose outlet opening (15) is associated with the narrowed region of the oil through-flow line.
  5. Apparatus according to claim 3 or claim 4 characterised in that the injection opening (15) for the secondary medium is variable by variable engagement into the oil through-flow line and/or by variable engagement of a regulating pin (16) into the injection opening (15).
  6. Apparatus according to claim 5 characterised in that associated with the secondary medium feed (9) is a floating ball shut-off valve (13) for preventing air suction intake in the absence of secondary medium.
  7. Apparatus according to claim 3 or one of the following claims
    characterised by
    a regulating control means for switching off the secondary medium feed and maintaining an oil feed to the burner prior to shutdown thereof to ensure filling of the oil feed line (3) to the burner (1) exclusively with oil without secondary medium.
EP04736385A 2003-06-11 2004-06-09 Method and device for reducing the oil delivery rate of a heating furnace oil burner Not-in-force EP1634019B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2003209020 DE20309020U1 (en) 2003-06-11 2003-06-11 Valve for saving fuel
PCT/EP2004/006193 WO2004109186A1 (en) 2003-06-11 2004-06-09 Method and device for reducing the oil delivery rate of a heating furnace oil burner

Publications (2)

Publication Number Publication Date
EP1634019A1 EP1634019A1 (en) 2006-03-15
EP1634019B1 true EP1634019B1 (en) 2007-08-01

Family

ID=33305304

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04736385A Not-in-force EP1634019B1 (en) 2003-06-11 2004-06-09 Method and device for reducing the oil delivery rate of a heating furnace oil burner

Country Status (4)

Country Link
EP (1) EP1634019B1 (en)
AT (1) ATE368829T1 (en)
DE (2) DE20309020U1 (en)
WO (1) WO2004109186A1 (en)

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH327647A (en) * 1954-09-13 1958-02-15 Gabriel Janssens Roger Oil combustion process and installation for implementing the process
FR2093106A5 (en) * 1970-06-02 1972-01-28 Elf Union
FR2184427B1 (en) * 1972-05-16 1979-08-17 Elf Union
BE815340A (en) * 1974-05-21 1974-09-16 HEATING SYSTEM FOR LIQUID FUEL.
GB1545510A (en) * 1975-11-26 1979-05-10 Fow Serv Ltd Apparatus for adding water to fuel oil
IT1203232B (en) * 1979-03-30 1989-02-15 Solar 77 Spa Doser which mixes and emulsifies two immiscible liquids
US4416610A (en) * 1980-03-14 1983-11-22 Hydroil, Inc. Water-in-oil emulsifier and oil-burner boiler system incorporating such emulsifier
GB2193347B (en) * 1986-07-15 1991-04-10 Stephen Goben Apparatus for adding water to fuel oil
US5628184A (en) * 1993-02-03 1997-05-13 Santos; Rolando R. Apparatus for reducing the production of NOx in a gas turbine
DE4304068A1 (en) 1993-02-11 1994-08-18 Peter Swoboda Injection valve
DE19527830C2 (en) 1995-07-29 1999-02-25 Walter Zimmerly Process for operating a heating system and heating system
FI101739B (en) 1996-08-16 1998-08-14 Waertsilae Nsd Oy Ab An injection valve
DE19725266A1 (en) 1997-06-13 1998-12-17 Gruenewaelder Dieter Arrangement for oil burner with pressure atomising and heating oil pump

Also Published As

Publication number Publication date
DE20309020U1 (en) 2004-10-14
DE502004004516D1 (en) 2007-09-13
WO2004109186A1 (en) 2004-12-16
EP1634019A1 (en) 2006-03-15
ATE368829T1 (en) 2007-08-15

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