DE327555C - Steep pipe boiler - Google Patents

Steep pipe boiler

Info

Publication number
DE327555C
DE327555C DENDAT327555D DE327555DD DE327555C DE 327555 C DE327555 C DE 327555C DE NDAT327555 D DENDAT327555 D DE NDAT327555D DE 327555D D DE327555D D DE 327555DD DE 327555 C DE327555 C DE 327555C
Authority
DE
Germany
Prior art keywords
boiler
heating
pipe boiler
steep
steep pipe
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
DENDAT327555D
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.)
Deutsche Babcock and Wilcox Dampfkesselwerke AG
Original Assignee
Deutsche Babcock and Wilcox Dampfkesselwerke AG
Publication date
Application granted granted Critical
Publication of DE327555C publication Critical patent/DE327555C/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B21/00—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically
    • F22B21/02—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes
    • F22B21/12—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes involving two or more upper drums and two or more lower drums, e.g. with crosswise-arranged water-tube sets in abutting connections with drums
    • F22B21/126—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from substantially straight water tubes involving two or more upper drums and two or more lower drums, e.g. with crosswise-arranged water-tube sets in abutting connections with drums involving more than two lower or upper drums

Landscapes

  • Engineering & Computer Science (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

Steilröhrenkessei. Die Erfindung betrifft einen Steilröhrenkessel. Steilröhrenkessel leiden unter dem Nachteil, daß sie einen mangelhaften Wasserumlauf besitzen. Dieser Mangel tritt besonders in Erscheinung während des Anheizens der Kessel; dann bleibt das Wasser in der unteren Hälfte der Unterkessel stundenlang kalt, während das darüber befindliche Wasser schon längst. warm ist. Die. Folge dieser ungleichmäßigen Temperaturen ist eine verschiedene Ausdehnung der Ober- und Unterseite der Unterkessel, wodurch bedeutende Blech- und Nietbeanspruchungen auftreten, die häufig zu Undichtheiten, auch zu gefährlichen Brüchen führen. Zweck der Erfindung ist, beim Anheizen der Kessel einen raschen Temperaturausgleich auch an jenen Stellen des Kessels herbeizuführen, deren Wasser am Umlauf nicht teilnimmt, um damit die schädlichen Temperaturunterschiede und deren Folgen zu beseitigen..Steepröhrenkessei. The invention relates to a steep tube boiler. Steep tube boilers suffer from the disadvantage that they have inadequate water circulation own. This deficiency is particularly evident during the heating up of the Boiler; then the water stays in the lower half of the sub-kettle for hours cold, while the water above has been around for a long time. is warm. The. episode this uneven temperature is a different expansion of the top and bottom Underside of the lower boiler, which causes significant sheet metal and rivet stresses, which often lead to leaks, including dangerous fractures. Purpose of the invention is, when heating the boiler, a rapid temperature equalization also at those points of the boiler, the water of which does not participate in the circulation, so that the eliminate harmful temperature differences and their consequences.

Dieser. Temperaturausgleich wird gemäß der Erfindung dadurch erreicht, daß die Feuerung mit einer Einrichtung zur ausschaltbaren Beheizung auch der Unterseite des oder der Unterkessel versehen ist. Diese Einrichtung kann verschieden, zweckmäßig jedoch so ausgebildet sein, daß die ausschaltbare Beheizüng nicht unmittelbar vom Feuerraum aus erfolgt, um die Unterkessel nicht durch die hohe Heizgastemperatur zu gefährden und' die Schaltvorrichtungen betriebssicher und feuerbeständig genug herstellen zu können. Dagegen sind für diese Beheizung zweckmäßig Gase aus dem zweiten Feuerzug zu verwenden.This. Temperature equalization is achieved according to the invention by that the furnace with a device for switching off heating also the underside the or the lower boiler is provided. This facility can be different, expedient however, be designed so that the heating can not be switched off directly from the The combustion chamber is made to avoid the lower boiler due to the high heating gas temperature to endanger and 'the switching devices operationally safe and fire-resistant enough to be able to manufacture. On the other hand, gases from the second are expedient for this heating Use fire train.

Die Zeichnung gibt eine Ausführungsform der Erfindung in einfachen Linien im Höhenschnitt durch die Kesselanlage wieder.The drawing gives an embodiment of the invention in simple terms Lines in the vertical section through the boiler system again.

Mit Lx und a1 sind die Unterkessel des neuen Steilröhrenkessels bezeichnet, während b eine Schaltklappe unterhalb der -Unterkessel zwischen dem zweiten Kesselzug und dem Fuchs bedeutet.The lower kettles of the new steep-tube kettle are denoted by Lx and a1, while b a switching flap below the lower boiler between the second boiler pass and means to the fox.

Öffnet man die während des gewöhnlichen Betriebes geschlossene Klappe b während des Anheizens, so strömt ein Teil der Heizgase aus dem zweiten Zug unmittelbar, zum Fuchs und erwärmt auf diesem Wege die Unterseite der Unterkessel a und a" so daß Temperaturspannungen vermieden sind.The flap, which is closed during normal operation, is opened b during heating up, part of the heating gases from the second pass flows directly, to the fox and in this way heats the underside of the lower kettles a and a "so that temperature stresses are avoided.

Claims (1)

PATENTANSPRUCH: Steilröhrenkessel, dadurch gekennzeichnet, daß die Feuerung mit einer Einrichtung (b) zur ausschaltbaren Beheizung auch der Unterseite des oder der Unterkessel (a und a1) versehen ist. PATENT CLAIM: Steep tube boiler, characterized in that the furnace is provided with a device (b) for heating that can be switched off, including the underside of the lower boiler or boilers (a and a1).
DENDAT327555D Steep pipe boiler Expired DE327555C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE327555T

Publications (1)

Publication Number Publication Date
DE327555C true DE327555C (en) 1920-10-20

Family

ID=6185081

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT327555D Expired DE327555C (en) Steep pipe boiler

Country Status (1)

Country Link
DE (1) DE327555C (en)

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