DE435409C - Vertical steam generator with a ring-shaped water space and internal heating - Google Patents

Vertical steam generator with a ring-shaped water space and internal heating

Info

Publication number
DE435409C
DE435409C DEM90055D DEM0090055D DE435409C DE 435409 C DE435409 C DE 435409C DE M90055 D DEM90055 D DE M90055D DE M0090055 D DEM0090055 D DE M0090055D DE 435409 C DE435409 C DE 435409C
Authority
DE
Germany
Prior art keywords
ring
steam generator
water space
shaped water
internal 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
Application number
DEM90055D
Other languages
German (de)
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.)
WILHELM MATHIESEN DR
Original Assignee
WILHELM MATHIESEN DR
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 WILHELM MATHIESEN DR filed Critical WILHELM MATHIESEN DR
Priority to DEM90055D priority Critical patent/DE435409C/en
Application granted granted Critical
Publication of DE435409C publication Critical patent/DE435409C/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B13/00Steam boilers of fire-box type, i.e. the combustion of fuel being performed in a chamber or fire-box with subsequent flue(s) or fire tube(s), both chamber or fire-box and flues or fire tubes being built-in in the boiler body
    • F22B13/005Steam boilers of fire-box type, i.e. the combustion of fuel being performed in a chamber or fire-box with subsequent flue(s) or fire tube(s), both chamber or fire-box and flues or fire tubes being built-in in the boiler body with flues, other than fire tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)

Description

Senkrecht stehender Dampferzeuger mit ringförmigem Wasserraum und innerer Beheizung. Es ist bekannt, bei einem ringförmigen Kessel die Heizgase, nachdem sie den inneren Mantel des Kessels bestrichen haben, an dem äußeren Mantel entlang zu führen, doch geschieht dies, um die Heizfläche des Kessels zu vergrößern. Es ist auch bekannt, bei einem Steilrohrkessel die untere Seite der Unterkessel während des Anheizens des Kessels zu beheizen, damit übermäßige Wärmespannungen, die- bei fehlender Beheizung der Unterkessel in deren Wandungen .eintreten würden, zu verhindern. Demgegeniüber soll nach der Erfindung bei einem senkrecht stehenden Kessel mit ringförmigem Wasserrauen, der lediglich eine innere Beheizung hat, der Außenmantel von einem kleinen Teilstrom der Heizgase bestrichen werden, der so bemessen ist, daß ein Temperaturgleichgewicht in dem Außenmantel herrscht. Dieses Gleichgewicht, das dazu dienen soll, Wärmespannungen in dem äußeren Mantel zu vermeiden, soll nicht nur beim Anheizen, sondern auch zu jeder Betriebszeit aufrechterhalten werden.Vertical steam generator with a ring-shaped water space and internal heating. It is known, in an annular boiler, the heating gases after they painted the inner shell of the kettle, along the outer shell to lead, but this is done in order to increase the heating surface of the boiler. It is also known, in a steep tube boiler, the lower side of the lower boiler during the heating of the boiler to heat, thus excessive thermal stresses that- at lack of heating of the lower boiler in the walls of which .ein would prevent. In contrast, according to the invention in a vertical boiler with an annular Rough water, which only has internal heating, the outer jacket of one small partial flow of the heating gases are coated, which is dimensioned so that a temperature equilibrium prevails in the outer jacket. This equilibrium, which should serve to relieve thermal stress Avoid being in the outer jacket is intended not only when heating up, but also too be maintained at any operating time.

In Abb. r der Zeichnung ist eine Ausführungsform des Kessels im Höhenschnitt und in Abb. z in teilweisem Horizontalschnitt dargestellt. Der Kessel hat einen ringförmigen Wasserraum a. An dem oberen Ende des Kessels ist ein gleichachsiger Innenkessel b angeordnet, der den Brennraum nach oben bis, auf einen ringförmigen Abzugskanal c abschließt.In Fig. R of the drawing is an embodiment of the boiler in vertical section and shown in Fig. z in partial horizontal section. The kettle has one annular water space a. At the top of the Kessels is a coaxial inner boiler b arranged, the combustion chamber up to, on one ring-shaped exhaust channel c closes.

Als Beheizung des Kessels ist eine Kohlenstaubfeuerung angenommen. Das Kohlenstaub-Luft-Gemisch strömt durch das Rohr d in den Brennraum e. Die Heizgase ziehen durch den ringförmigen Kanal c in die Höhe und ziehen dann durch den Kanal/ weiter, um Wärme an den überhitzer und den Eoonomis.er abzugeben.A pulverized coal furnace is assumed to be used to heat the boiler. The coal dust-air mixture flows through the pipe d into the combustion chamber e. The heating gases pull up through the annular channel c and then continue through the channel / to give off heat to the superheater and the eoonomis.er.

Ein kleiner Teilstrom der Heizgase zweigt jedoch in der Kammer g von den Heizgasen ab und strömt an dem ,äußeren Mantel i des Kessels entlang nach unten, um durch das Rohr k nach dem Fuchs zu gelangen. Dieser Teilstrom der Heizgase soll so bemessen sein, daß ein Temperaturgleichgewicht in dem äußeren Kes.sehnantel i besteht. Dies wird erreicht, wenn die Temperatur der Kesselwand gleich der Temperatur des. von ihr eingeschlossenen Wassers ist.However, a small partial flow of the heating gases branches off in chamber g the heating gases and flows down along the outer jacket i of the boiler, to get through the pipe k to the fox. This partial flow of the heating gases should be dimensioned so that a temperature equilibrium in the outer Kes.sehnantel i consists. This is achieved when the temperature of the boiler wall equals the temperature of the water enclosed by it.

In denn Rohr h ist eine Drosselklappe angeordnet, mit denen Hilfe die Stärke des Teilstromes ,geregelt werden kann.In the tube h there is a throttle valve with which help the strength of the partial flow can be regulated.

Claims (1)

PATENT-ANSPRUcii: Senkrecht stehender Dampferzeuger mit ringförmigem Wasserraum und innerer Beheizung, dadurch gekennzeichnet, daß sein Außenmantel zur Vermeidung von Wärmespannungen von einem kleinen Teilstrom. der Heizgase bestrichen wird. PATENT REQUIREMENTS: Vertical steam generator with a ring-shaped water space and internal heating, characterized in that its outer jacket is controlled by a small partial flow in order to avoid thermal stresses. the heating gases is brushed.
DEM90055D 1925-06-10 1925-06-10 Vertical steam generator with a ring-shaped water space and internal heating Expired DE435409C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEM90055D DE435409C (en) 1925-06-10 1925-06-10 Vertical steam generator with a ring-shaped water space and internal heating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEM90055D DE435409C (en) 1925-06-10 1925-06-10 Vertical steam generator with a ring-shaped water space and internal heating

Publications (1)

Publication Number Publication Date
DE435409C true DE435409C (en) 1926-10-13

Family

ID=7321455

Family Applications (1)

Application Number Title Priority Date Filing Date
DEM90055D Expired DE435409C (en) 1925-06-10 1925-06-10 Vertical steam generator with a ring-shaped water space and internal heating

Country Status (1)

Country Link
DE (1) DE435409C (en)

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