DE499525C - Coal dust firing for high pressure boilers with steam generation by introducing superheated steam, taken from the steam room itself, into the water of the boiler drums - Google Patents

Coal dust firing for high pressure boilers with steam generation by introducing superheated steam, taken from the steam room itself, into the water of the boiler drums

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Publication number
DE499525C
DE499525C DEL69796D DEL0069796D DE499525C DE 499525 C DE499525 C DE 499525C DE L69796 D DEL69796 D DE L69796D DE L0069796 D DEL0069796 D DE L0069796D DE 499525 C DE499525 C DE 499525C
Authority
DE
Germany
Prior art keywords
steam
water
high pressure
coal dust
taken
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
DEL69796D
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.)
JENNY ELFRIEDE LOEFFLER GEB BO
Original Assignee
JENNY ELFRIEDE LOEFFLER GEB BO
Publication date
Priority to DEL69796D priority Critical patent/DE499525C/en
Application granted granted Critical
Publication of DE499525C publication Critical patent/DE499525C/en
Expired legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00Methods of steam generation characterised by form of heating method
    • F22B1/02Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/08Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being steam
    • F22B1/14Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being steam coming in direct contact with water in bulk or in sprays
    • F22B1/146Loffler boilers
    • 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
    • F22B37/101Tubes having fins or ribs
    • F22B37/102Walls built-up from finned tubes

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Air Supply (AREA)

Description

Kohlenstaubfeuerung für Hochdruckkessel mit Dampferzeugung durch Einleitung überhitzten, aus dem Dampfraum selbst entnommenen Dampfes in das Wasser der Kesseltrommeln Die den Gegenstand der Erfindung bildende Kohlenstaubfeuerung, die insbesondere für nach dem Patent 46q.555 arbeitende Hochdruckkessel bestimmt ist, kennzeichnet sich dadurch, daß in dem Feuerraum U-förmige, von oberen Sammelrohren abzweigende Überhitzerrohre angeordnet sind, deren Querschenkel in verschiedener Höhenlage verlaufen und so dem Feuergasstrom freie Durchströmöffnungen nach den anschließenden Feuerzügen bieten, während die hängenden Schenkel Begrenzungswände für Flamme und Feuergasstrom bilden.Coal dust firing for high pressure boilers with steam generation by introduction superheated steam extracted from the steam room itself into the water of the boiler drums The pulverized coal furnace forming the subject of the invention, in particular is intended for high pressure boilers working according to patent 46q.555 by the fact that U-shaped branches branching off from the upper header pipes in the combustion chamber Superheater tubes are arranged, the transverse legs of which extend at different heights and thus the flow openings free for the flow of fire gas after the subsequent puffs of fire offer, while the hanging legs containment walls for flame and fire gas flow form.

Nach Big. i, die ein Ausführungsbeispiel der Anlage in einem senkrechten Schnitt veranschaulicht, sind in dem Feuerraum i U-förmige Überhitzerrohre 2 angeordnet, die von oberen Sammelrohren 3, 4 ausgehen und deren hängende Schenkel so aneinanderliegen, daß sie entweder allein oder nach Fig. 2 z. B. mit Hilfe angewalzter, angeschweißter oder sonstwie angebrachter Flossenstreifen 5 Begrenzungswände für den Feuerraum bis etwa zur Tiefe a-a bilden, während von da aus die OOuerschenkel abwechselnd in verschiedenen, nach Fig. i z. B. in drei Höhenlagen verlaufen, um dadurch dem Feuergasstrom Durchgangsöffnungen nach den anschließenden Feuerzügen zu bieten.After Big. i showing an embodiment of the plant in a vertical Section illustrated, U-shaped superheater tubes 2 are arranged in the combustion chamber i, which emanate from the upper header pipes 3, 4 and the hanging legs of which lie against one another, that they either alone or according to FIG. 2 z. B. with the help of rolled, welded or otherwise attached fin strips 5 boundary walls for the combustion chamber to about the depth a-a, while from there the outer thighs alternate in different, according to FIG. B. extend at three altitudes to thereby the Fire gas flow to provide passage openings after the subsequent fire puffs.

In dem zweiten Zuge können beispielsweise Rohrschlangenelemente 6 und 7 angeordnet werden, und zwar zunächst als Nachüberhitzer 6 und darüber als Wasservorwärmer 7 für das Speisewasser des Verdampfers.In the second step, for example, pipe coil elements 6 and 7 are arranged, initially as post-superheater 6 and above as Water preheater 7 for the feed water of the evaporator.

Der Dampf wird in bekannter Weise der Verdampftrommel8 entnommen und durch die Umlaufpumpe 9 den Sammelrohren 3 und dann den Überhitzerrohren 2 zugedrückt. Hierbei können U-förmige Rohre parallel-und Bündel solcher Rohre längs des Feuerraums hintereinandergeschaltet werden. Nach Passieren der Sammelrohre 4 und io gelangt der Dampf zum Nachüberhitzer 6 und zum Sammelrohr i i. Von hier aus wird ein Teil des Dampfes als Verbrauchsdampf D zur Dampfmaschine und der Rest in die Trommel 8 zur Bildung von Dampf aus ihrem Wasserinhalt geleitet.The steam is removed from the evaporation drum 8 in a known manner and The collector pipes 3 and then the superheater pipes 2 are pressed shut by the circulation pump 9. Here, U-shaped pipes can be parallel and bundles of such pipes along the combustion chamber can be connected in series. After passing the manifolds 4 and io arrives the steam to the post-superheater 6 and to the manifold i i. From here becomes a part of the steam as consumption steam D to the steam engine and the rest into the drum 8 directed to the formation of steam from their water content.

Das Speisewasser wird von der Speiseleitung b aus in dem aus parallel geschalteten Rohrelementen bestehenden Wasservorwärmer 7 vorgewärmt, von wo aus es ebenfalls der Verdampftromme18 zufließt. Ein Teil des Vorwärmers 7 kann auch im nachfolgenden dritten Feuerzug untergebracht werden. Im dritten Zug kann weiterhin der Luftvorwärmer 12 angeordnet werden, dem die Luft bei A zuströmt und von dem aus die vorgewärmte Verbrennungsluft den Kohlenstaubbrennern 13 über das Sammelrohr 14 zugeführt wird, während der Kohlenstaub den Brennern mittels von oben angeordneten Bunkern zuläuft.The feed water is from the feed line b from in parallel switched pipe elements existing water preheater 7 preheated, from where it also flows into the evaporation drum18. Part of the preheater 7 can also be accommodated in the following third fire train. On the third move you can continue the air preheater 12 to which the air flows at A and from which from the preheated combustion air to the pulverized coal burners 13 via the manifold 14 is fed, while the pulverized coal the burners by means of arranged from above Bunkers are coming.

Aus dem dritten Zug gelangen die Feuergase in den Fuchs und zum Schornstein.From the third puff, the fire gases get into the fox and the chimney.

Claims (1)

PATENTANSPRUCH: Kohlenstaubfeuerung für Hochdruckkessel mit Dampferzeugung durch Einleitung überhitzten, aus dem Dampfraum selbst entnommenen Dampfes in das Wasser der Kesseltrommeln, dadurch gekennzeichnet, daß in dem Feuerraum (i) U-förmige, von oberen Sammelrohren abzweigende Überhitzerrohre (2) angeordnet sind, deren Querschenkel in verschiedener Höhenlage verlaufen und so dem Feuergasstrom freie Durchströmöffnungen nach den anschließenden Feuerzügen bieten, während die hängenden Schenkel Begrenzungswände für Flamme und Feuergasstrom bilden.PATENT CLAIM: Coal dust firing for high pressure boilers with steam generation by introducing superheated steam extracted from the steam room itself into the Water from the boiler drums, characterized in that U-shaped, Superheater pipes (2) branching off from the upper header pipes are arranged, their transverse legs run at different altitudes and thus free flow openings for the flow of fire gas after the subsequent puffs of fire, while the hanging legs provide boundary walls for flame and fire gas flow.
DEL69796D Coal dust firing for high pressure boilers with steam generation by introducing superheated steam, taken from the steam room itself, into the water of the boiler drums Expired DE499525C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEL69796D DE499525C (en) Coal dust firing for high pressure boilers with steam generation by introducing superheated steam, taken from the steam room itself, into the water of the boiler drums

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL69796D DE499525C (en) Coal dust firing for high pressure boilers with steam generation by introducing superheated steam, taken from the steam room itself, into the water of the boiler drums

Publications (1)

Publication Number Publication Date
DE499525C true DE499525C (en) 1930-06-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
DEL69796D Expired DE499525C (en) Coal dust firing for high pressure boilers with steam generation by introducing superheated steam, taken from the steam room itself, into the water of the boiler drums

Country Status (1)

Country Link
DE (1) DE499525C (en)

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