DE548343C - Water pipe protection for firebox walls - Google Patents

Water pipe protection for firebox walls

Info

Publication number
DE548343C
DE548343C DEST46570D DEST046570D DE548343C DE 548343 C DE548343 C DE 548343C DE ST46570 D DEST46570 D DE ST46570D DE ST046570 D DEST046570 D DE ST046570D DE 548343 C DE548343 C DE 548343C
Authority
DE
Germany
Prior art keywords
boiler
water pipe
water
pipe protection
protective tube
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
DEST46570D
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.)
Hitachi Zosen Inova Steinmueller GmbH
Original Assignee
L&C Steinmueller GmbH
Publication date
Priority to DEST46570D priority Critical patent/DE548343C/en
Application granted granted Critical
Publication of DE548343C publication Critical patent/DE548343C/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00Component parts or details of steam boilers
    • F22B37/02Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/10Water tubes; Accessories therefor
    • F22B37/14Supply mains, e.g. rising mains, down-comers, in connection with water tubes
    • F22B37/141Supply mains, e.g. rising mains, down-comers, in connection with water tubes involving vertically-disposed water tubes, e.g. walls built-up from vertical tubes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00Component parts or details of steam boilers
    • F22B37/02Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/48Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
    • F22B37/486Devices for removing water, salt, or sludge from boilers

Description

Wasserrohrschutz für Feuerraumwände Zum Schutz der F euerraumwände von Kesselfeuerungen werden wassergefüllte Rohre benutzt, die oben und unten in außerhalb des Feuerraumes liegende Sammler eingeführt sind, wobei diese Sammler durch außenliegende Niederfallrohre miteinander verbunden sind. Diesen Schutzrohrgruppen wird das Kühlwasser in den unteren Sammler zugeführt, während von dem oberen Sammler aus der erzeugte Dampf in den Oberkessel, vorzugsweise in dessen Dampfraum, überführt wird. Da das in diesen Schutzrohrgruppen verdampfte Wasser dauernd aus dem Kessel ersetzt wird, besteht die Gefahr, daß bei schlecht gereinigtem Wasser sehr schnell eine Anreicherung von Unreinigkeiten im Wasserinhalt der Schutzrohrgruppe entsteht, so daß die Schutzrohre sich innen schnell mit Kesselstein auskleiden und infolgedessen durchbrennen..Water pipe protection for firebox walls To protect the firebox walls water-filled pipes are used in boiler furnaces, which are inserted in the top and bottom Collectors located outside the combustion chamber are introduced, these collectors are connected to each other by external downpipes. These protective tube groups the cooling water is fed into the lower header, while from the upper header from the generated steam in the upper boiler, preferably in its steam chamber, transferred will. Since the water evaporated in these protective tube groups continuously from the boiler is replaced, there is a risk that poorly cleaned water will very quickly an accumulation of impurities in the water content of the protective tube group occurs, so that the protective tubes are quickly lined with scale inside and as a result run away..

Um diese übermäßigen Verunreinigungen des Wasserinhaltes zu verhindern, wird erfindungsgemäß der Wasserinhalt des Schutzrohrelementes durch besondere Verbindungsrohre mit einem tiefer liegenden Teil des Kessels verbunden, so daß dauernd ein Teil dieses Wasserjnhalts in den allgemeinen Kesselkreislauf zurückgeführt wird, von wo die Unreinigkeiten durch das bekannte Ablassen entfernt werden.To prevent this excessive contamination of the water content, According to the invention, the water content of the protective pipe element is achieved by special connecting pipes connected to a lower part of the boiler, so that part of it is permanent The water content is returned to the general boiler circuit, from where the Impurities can be removed by the known drainage.

Die Anreicherung von Unreinigkeiten im Wasserinhalt der Schutzrohrgruppe hat eine Erhöhung des spezifischen Gewichts dieses Wasserinhalts zur Folge, so daß stets ein Teil dieses Wassers selbsttätig in die Untertrommel des Hauptkessels- zurückläuft. Dieser Rücklauf ist um so stärker, je stärker die Verunreinigung des Wassers ist, so daß sich im Lauf der Zeit ein gewisser Gleichgewichtszustand herausbildet.The accumulation of impurities in the water content of the protective tube group has an increase in the specific gravity of this water content, so that always a part of this water automatically into the lower drum of the main boiler runs back. This return is the stronger, the stronger the contamination of the Water, so that in the course of time a certain state of equilibrium develops.

In der Zeichnung ist eine derartige Kesselanlage in einfachen Linien im senkrechten Schnitt dargestellt. An der Vorderwand des Feuerraumes a befinden sich die Kühlrohre b, die oben in einen Sammler c und unten in einen Sammler d einmünden. Diese Sammler sind durch Niederfallrohre e außerhalb des Feuerraumes miteinander verbunden; das Kühlwasser wird aus dem Oberkessel durch Rohre f zugeführt, während der erzeugte Dampf durch Rohre g einer Obertrommel des Kessels zugeleitet wird. Der Wasserinhalt der Schutzrohrgruppe wird durch außenliegende Rohre h mit einer unteren Trommel i des Dampfkessels verbunden, so daß von der Obertrommel k durch die Wasserrohre f, die Verdampfungsrohre b, den Sammler c und das Rohr h zur Untertrommel i ein Nebenkreislauf durch den Kessel für die Schutzrohrgruppe gebildet wird. Dadurch wird dauernd ein Teil des Wasserinhalts der Schutzrohrgruppe dem allgemeinen Kesselkreislauf zugeführt, so daß eine übermäßige Anreicherung von Unreinigkeiten in den Schutzrohren vermieden wird.Such a boiler system is shown in simple lines in the drawing shown in vertical section. Located on the front wall of the combustion chamber a the cooling tubes b, which open into a collector c at the top and a collector d at the bottom. These collectors are connected to one another by downpipes e outside the combustion chamber tied together; the cooling water is supplied from the upper boiler through pipes f while the generated steam is fed through pipes g to an upper drum of the boiler. The water content of the protective tube group is determined by external tubes h with a lower drum i of the steam boiler connected so that from the upper drum k through the water pipes f, the evaporation pipes b, the collector c and the pipe h to the lower drum i a secondary circuit is formed through the boiler for the protective tube group. Through this part of the water content of the protective tube group is permanently added to the general boiler circuit fed so that excessive accumulation of impurities in the protective tubes is avoided.

Die Verbindungsrohre la können auch mit dem unteren Sammler d verbunden werden, falls örtliche Verhältnisse dies gestatten oder verlangen.The connecting pipes la can also be connected to the lower collector d if local conditions permit or require this.

Claims (1)

PATENTANSPRUCH: Wasserrohrschutz für Feuerraumwände mit außenliegenden Rücklaufrohren und in sich geschlossenem Wasserumlauf, dadurch gekennzeichnet, daß neben der Wasserzuführung und Dampfabführung der Schutzrohrgruppe eine besondere Verbindung derselben mit einem tiefer gelegenen Kesselteil besteht zur Schaffung eines Nebenkreislaufes durch Schutzrohrgruppe und Kessel. PATENT CLAIM: Water pipe protection for furnace walls with external return pipes and self-contained water circulation, characterized in that, in addition to the water supply and steam discharge of the protective tube group, there is a special connection of the same with a lower boiler part to create a secondary circuit through the protective tube group and boiler.
DEST46570D Water pipe protection for firebox walls Expired DE548343C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEST46570D DE548343C (en) Water pipe protection for firebox walls

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEST46570D DE548343C (en) Water pipe protection for firebox walls

Publications (1)

Publication Number Publication Date
DE548343C true DE548343C (en) 1932-04-14

Family

ID=7465201

Family Applications (1)

Application Number Title Priority Date Filing Date
DEST46570D Expired DE548343C (en) Water pipe protection for firebox walls

Country Status (1)

Country Link
DE (1) DE548343C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0254379A1 (en) * 1982-05-03 1988-01-27 The Babcock & Wilcox Company Boilers systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0254379A1 (en) * 1982-05-03 1988-01-27 The Babcock & Wilcox Company Boilers systems

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