DE1526031C

DE1526031C - Tubular gas burner

Info

Publication number: DE1526031C
Authority: DE
Inventors: Auf Nichtnennung Antrag
Original assignee: Creusot Loire, Paris, Creusot Loire, Paris
Publication date: 1972-10-05

Description

3 43 4

gungen entsprechenden Dichte und Zähigkeit anzu- Man kann auch den Drehschieber 4 in der StellungThe rotary valve 4 can also be in the position

passen. stehen lassen, in der sämtliche Durchtrittsöff-fit. let stand in which all passages

Die Platte 1 wirkt mit einem gleichachsigen Dreh- nungen 2, 3 offen sind, und den Druck von Verbrenschieber 4 zusammen, dessen flügelartige Schieber- nungsluft und Brenngas ändern; Bedingung ist jedoch, teile 5 gleichzeitig Durchtrittsöffnungen 2, 3 in beiden 5 daß die Drücke einander gleich sind.
Sektoren der Platte 1 abdecken können. Zur Gleichhaltung der Drücke von Verbrennungs-The plate 1 interacts with an equiaxed rotation 2, 3 are open, and the pressure of combustion slide 4, whose wing-like slide change air and fuel gas; The condition is, however, share 5 at the same time passage openings 2, 3 in both 5 that the pressures are equal to each other.
Can cover sectors of disk 1. To keep the pressures of combustion

Die Durchtrittsöffnungen 2, 3 sind relativ zuein- luft und Brenngas dient eine Regeleinrichtung, dieThe passage openings 2, 3 are relative to the inlet air and fuel gas is used as a control device which

ander derart angeordnet, daß das Verhältnis der als Druckminderventil wirkt und einen kolbenförmi-other arranged in such a way that the ratio acts as a pressure reducing valve and a piston-shaped

Durchtrittsquerschnitte für Verbrennungsluft und gen Schieber 19 zur Beeinflussung des QuerschnittesPassage cross-sections for combustion air and gene slide 19 to influence the cross-section

Brenngas in jeder beliebigen Stellung des Dreh- io des Durchlasses 20 enthält, dem aus einer Speiselei-Contains fuel gas in any position of the rotary io of the passage 20, which comes from a feeder

schiebers 4 konstant bleibt. Die Seitenkanten des tung Brenngas in Richtung der Pfeile22zuströmt. Derslide 4 remains constant. The side edges of the fuel gas flow in the direction of the arrows 22. the

Drehschiebers 4 sind geradlinig und verlaufen radial. Schieber 19 wird derart gesteuert, daß die DrückeRotary valve 4 are straight and run radially. Slide 19 is controlled so that the pressures

Die Platte 1 und der Drehschieber 4 liegen dicht von Verbrennungsluft und Brenngas beim Eintritt inThe plate 1 and the rotary valve 4 are close to combustion air and fuel gas when entering

aneinander und werden zwischen zwei flanschartigen den Gasbrenner dauernd gleichbleiben.to each other and will remain the same between two flange-like gas burners.

Halterungen 6 und 7 gehalten. 15 Um diese Druckgleichheit zu gewährleisten, ist derHolders 6 and 7 held. 15 To ensure this pressure equality, the

Die innenliegenden Durchtrittsöffnungen 2 werden Schieber 19 an einer Betätigungsstange 23 befestigt,The internal passage openings 2 slide 19 are attached to an actuating rod 23,

mit Brenngas aus einer Zuleitung 8 gespeist, die in die ihrerseits mit einer Membran 24 verbunden ist,fed with fuel gas from a feed line 8, which in turn is connected to a membrane 24,

eine innere Zuführkammer 9 des Gasbrenners welche sich im Inneren einer Kapsel 25 befindet,an inner feed chamber 9 of the gas burner which is located inside a capsule 25,

mündet, welche durch eine zylindrische Hülse 10 be- deren Innenraum durch die Membran 24 in zweiopens, which through a cylindrical sleeve 10 whose interior through the membrane 24 in two

grenzt ist, die mit ihrem freien Ende dichtend an der 20 Kammern 26 und 27 unterteilt wird. Der Kammeris bordered, which is divided with its free end sealingly on the 20 chambers 26 and 27. The chamber

Platte 1 anliegt. 26 wird Brenngas über eine Leitung 28 zugeführt,Plate 1 rests. 26 fuel gas is supplied via a line 28,

Die Verbrennungsluft fließt durch eine Zuleitung der Kammer 27 Verbrennungsluft über eineThe combustion air flows through a supply line to the chamber 27 via a combustion air

11 zu, deren innerhalb des Gasbrenners liegender Leitung 29.11, the line 29 of which lies within the gas burner.

Teil die Hülse 10 am gesamten Umfang umgibt. Die Der Schieber 19 ist an seiner Betätigungsstange 23Part surrounds the sleeve 10 over the entire circumference. The slide 19 is on its actuating rod 23

Zuleitung 11 kann so sämtliche für den Durchtritt 25 derart festgelegt, daß die Membran 24 sich imFeed line 11 can all set for the passage 25 in such a way that the membrane 24 is in the

der Verbrennungsluft bestimmten Durchtrittsöff- Gleichgewichtszustand befindet, wenn der Druck desthe combustion air certain Durchlaßsöff- equilibrium is when the pressure of the

nungen 3 der Platte 1 speisen. Brenngases in der Zuleitung 8 gleich dem Druck derFeed 3 openings of plate 1. Fuel gas in the supply line 8 equal to the pressure of the

Der Drehschieber 4 läßt sich von außen über eine Verbrennungsluft in der Zuleitung 11 ist.The rotary slide valve 4 can be opened from the outside via a combustion air in the supply line 11.

Welle 12 verstellen, deren inneres Ende 13 starr mit Auf diese Weise ist es möglich, durch VeränderungAdjust shaft 12, whose inner end 13 is rigid with In this way it is possible by changing

dem Drehschieber 4 verbunden ist und die an ihrem 30 des Druckes der Verbrennungsluft automatisch einethe rotary valve 4 is connected and at its 30 of the pressure of the combustion air automatically one

nach außen herausragenden Ende ein Betätigungs- entsprechende Änderung des Druckes des Brenngasesoutwardly protruding end an actuation corresponding change in the pressure of the fuel gas

organ 14 trägt. Die Welle 12 durchquert die Stirn- herbeizuführen.organ 14 carries. The shaft 12 traverses the forehead.

wand 15 der Zuleitung 8. Zwischen der Stirnwand 15 Die Veränderung des Druckes der Verbrennungsund dem Betätigungsorgan 14 ist eine Druckfeder luft kann mit dem Öffnen einer mehr oder weniger 16 eingeschaltet, welche auf die Welle 12 ständig 35 großen Anzahl von Durchtrittsöffnungen 2,3 mit eine Zugkraft im Sinne des Pfeiles 17 ausübt und so Hilfe des Drehschiebers 4 kombiniert werden,
den Drehschieber 4 an die Platte 1 andrückt. Es können aber auch, insbesondere bei Gasbren-wall 15 of the supply line 8. Between the end wall 15 the change in pressure of the combustion and the actuator 14 is a compression spring air can be switched on with the opening of a more or less 16, which on the shaft 12 constantly 35 large number of passage openings 2,3 with a Pulling force in the direction of arrow 17 exerts and thus the help of the rotary valve 4 can be combined,
the rotary valve 4 presses against the plate 1. But it can also, especially with gas burners

Die Mischung von Brenngas und Verbrennungs- nern für Öfen mit selbsttätiger Temperaturregelung,The mixture of fuel gas and combustion engines for stoves with automatic temperature control,

luft erfolgt in einem Mischraum 21, ehe das Gemisch das Betätigungsorgan 14 und der Drehschieber 4 durch die vor dem Brennraum liegende Brennerplatte 40 weggelassen werden. Die Platte 1 ist dann gleich-air takes place in a mixing chamber 21 before the mixture reaches the actuator 14 and the rotary valve 4 can be omitted by the burner plate 40 located in front of the combustion chamber. The plate 1 is then the same-

18 hindurchströmt. mäßig mit Durchtrittsöffnungen 2, 3 versehen, statt18 flows through it. moderately provided with passage openings 2, 3 instead

Der Gasbrenner wird mit Verbrennungsluft und nur auf zwei Sektorbereichen. Bei Gleichheit derThe gas burner is with combustion air and only on two sector areas. If the

Brenngas unter gleichen Drücken gespeist. Die Ein- Drücke von Brenngas und Verbrennungsluft wirdFuel gas fed under the same pressures. The pressures of fuel gas and combustion air is

stellung der Heizleistung des Gasbrenners geschieht die Heizleistung des Gasbrenners dadurch geregelt, durch Betätigung des Betätigungsorgans 14. 45 daß man die Druckhöhe ändert.setting the heating output of the gas burner, the heating output of the gas burner is regulated by by operating the actuator 14. 45 that you change the pressure level.

Hierzu 1 Blatt Zeichnungen1 sheet of drawings

Claims

1 2 claims: Furthermore, from the German ■ patent specification 531 738 a gas burner with a fixed air

1. Known tubular gas burner with a central feed plate through the openings Fuel gas supply and one of these ring-shaped different diameters evenly distributed surrounding combustion air supply, which are in the 5.

Muzzle area of the fuel feeds The invention is based on the object of providing a

to create a gas burner of the type mentioned above, aligned transversely to the longitudinal axis of the burner,

has a fixed plate, which together with the practically in the entire load range a constant

an adjustable ratio of the fuel flow rates arranged in parallel downstream

Plate allows passage openings for fuel gas and io.

Combustion air is limited in such a way that there is a downstream Mixing space at different solves that the fixed plate has multiple penetration loads a constant fuel mixture orifices of the same diameter for fuel gas and setting ratio, characterized thereby- for combustion air, whose respective Genet, that the fixed plate (1) several 15 velvet cross-sections through the adjustable plate ver-passage openings (2,3) the same diameter can be changed, and that the sers for fuel gas and for combustion air on- pressures of fuel gas and combustion air in has, the respective overall cross-sections of a gas burner in a manner known per se the adjustable plate (4) kept the same proportionately changed upstream control device are derbar, and that the pressures of fuel gas 20 are.

and combustion air in a manner known per se. The one that can be achieved by such a design

of a control and technical progress upstream of the gas burner consists in the fact that as a result

facility are kept the same. the constant diameter of the passage opening

2. Gas burner according to claim 1, characterized gens for fuel gas and combustion air and the indicates that the control device in the 25 equality of the fuel pressures in the ratio fuel gas supply is arranged and the gas-like change in the fuel gas and combustion pressure influenced by the air pressure, nominal air flow available total

3. Gas burner according to claim 1, but without the passage cross-sections, the pressure losses for both Use of an adjustable plate, thereby changing the fuel practically in the same way and characterized in that the passage openings 30 due to the division of the fuel flows into one (2, 3) over the fixed plate (1) evenly cell blasting an intimate mixing of the fuel are distributed. is attainable.

The control device can be arranged in the fuel gas supply and the gas pressure via the

35 Influencing the air pressure.

In addition, the passage openings at

The invention relates to a tubular a gas burner without an adjustable plate over the

Gas burner with a central fuel gas supply fixed plate must be evenly distributed,

and a combustion ring surrounding this. The drawing shows an embodiment of the

tion air supply, which is in the Mündurigs area of the 40 subject of the invention, namely shows

Fuel feeds a transverse to the burner longitudinal F i g. 1 is a schematic representation of a plate

axially aligned fixed plate, which is provided with passage openings for fuel gas and combustion

together with a downstream air arranged in parallel,

adjustable plate passage openings for burning F i g. 2 a rotary valve,

gas and combustion air so limited that 45 F i g. 3 an axial longitudinal section through the gas

in the downstream mixing room with different burners,

Loads a constant fuel mixture ratio - Fig. 4 shows an axial section through a control device

nis adjusts. to keep the fuel pressures equal.

Such a gas burner is from the German The gas burner has a fixed circular

Patent 326,775 known. 50 mige plate 1, in the passage openings 2, 3

In the known gas burner, the passage for fuel gas and combustion air in the area

Flow rates of the fuel gas and the combustion of two opposing circular sectors

air are arranged by axial displacement of the adjustable. Any sector that when using

Plate opposite the fixed plate and thus five passage openings 2 for natural gas for fuel gas

controlled by changing the passage gap. 55 and 65 passage openings 3 for combustion air

Contains a certain pressure ratio between fuel gas, can extend over an angle of 80 °

and combustion air before passing through the routes.

Plates is not provided. A constant ratio The passage openings 2, 3 are cylindrical and

nis of the mass flows of combustion air and all have the same diameter. The relationship

Fuel gas in the entire load range can thus still be 60 of the total passage cross-sections for fuel gas

not guarantee. and combustion air results from the

From the British patent 743 655 is also the ratio of the number of passages in question

a gas burner upstream control device openings 2, 3, the one operated with natural gas

known, with the help of which the pressures of combustion gas burner is 13.

air and fuel gas are kept the same, and 65 The gas burner can be operated with any combustion

although - work with the arrangement of the control device in the gas; it suffices to use the ratio of the number

Fuel gas supply - by influencing the gas of the passage openings 2, 3 the oxygen demand

pressure over the air pressure. of the fuel gas in its conditions of use