DE190146C - - Google Patents
Info
- Publication number
- DE190146C DE190146C DENDAT190146D DE190146DA DE190146C DE 190146 C DE190146 C DE 190146C DE NDAT190146 D DENDAT190146 D DE NDAT190146D DE 190146D A DE190146D A DE 190146DA DE 190146 C DE190146 C DE 190146C
- Authority
- DE
- Germany
- Prior art keywords
- slender
- fire
- steam boiler
- legs
- waveform
- 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.)
- Active
Links
- 230000000630 rising Effects 0.000 claims 1
- 210000002414 Leg Anatomy 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B7/00—Steam boilers of furnace-tube type, i.e. the combustion of fuel being performed inside one or more furnace tubes built-in in the boiler body
- F22B7/16—Component parts thereof; Accessories therefor, e.g. stay-bolt connections
- F22B7/20—Furnace 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)
- Thermal Insulation (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
Die Erfindung betrifft ein Dampfkesselfeuerrohr mit schlank wellenförmig ausgebildeter Wandung und besteht darin, daß die in geschweifter Form ausgebildeten, beiderseits zur Wellenhöhe ansteigenden Schenkel ungleich lang sind.The invention relates to a steam boiler fire pipe with a slim, undulating design Wall and consists in that the formed in a curved shape, on both sides the legs increasing to the wave height are unequal in length.
Die Neuerung bezweckt gegenüber den bekannten gewellten Feuerrohren, bei denen die Wellenschenkel von gleicher Länge ausThe purpose of the innovation is compared to the well-known corrugated fire tubes, in which the shaft thighs of the same length
ίο Kreisbögen mit gleichem Halbmesser gebildet sind, eine solche Führung der Feuergase herbeizuführen, daß sie sich, den innern Wellenflächeti anschmiegen und so stauende Lufträume, die die Wärmeübertragung ungünstig beeinflussen, vermieden werden. Dabei ist die freie Entfaltung der Feuergase ermöglicht. ίο Arcs formed with the same radius are to bring about such a leadership of the fire gases that they are inside Cuddle wave surfaces and so congested air spaces, which the heat transfer unfavorable affect, be avoided. The free development of the fire gases is made possible.
Ferner sollen durch Einführung der neuen Wellenform die Schwierigkeiten, welche bei der Herstellung der bekannten gleichmäßig gewellten Feuerrohre sich ergeben, behoben werden. Bei der schlanken und geschweiften ■ Form der neuen Wellen ist das scharfe Ziehen des Materials beim Einwalzen und damit ein Aufreißen vermieden.Furthermore, by introducing the new waveform, the difficulties that arise with the production of the well-known evenly corrugated fire tubes result, fixed will. With the slender and curly shape of the ■ new waves, that's sharp Pulling the material when rolling in and thus avoiding tearing.
Fig. ι zeigt die neue Wellenform in größerem Maßstabe; aus einer Anzahl solcher aufeinander
folgenden Formen'ist das Feuerrohr gebildet (Fig. 2), indem die Wrellen in.dem
in seiner Längsnaht geschweißten glatten Rohr auf einem besonderen Walzwerk
ausgewalzt werden.Fig. Ι shows the new waveform on a larger scale; formed from a number of such sequential Formen'ist the fire tube (Fig. 2) by the W r economic in.dem welded at its longitudinal seam smooth tube on a special rolling mill
be rolled out.
Um aber eine noch bessere Anschmiegung der Feuergase an die Innenwandung des Rohres herbeizuführen, kann die gleiche Wellenform, wie in Fig. 3 dargestellt ist, nach außen und innen durchgeführt werden.But in order to ensure that the fire gases cling to the inner wall of the To bring about pipe can have the same waveform as shown in Fig. 3, be carried out externally and internally.
Die ungleich langen Schenkel α b und c dl der Wellenlänge h steigen zur Wellenhöhe D auf. Der längere und in schlanker Kurve ansteigende Schenkel α b gewährt den Feuergasen einen sich anschmiegenden Eintritt, während der kürzere Schenkel c dl weniger schlank verläuft, um eine möglichst freie Entfaltung der Heizgase zu erreichen. Diese Wellenform mit zwei ungleich langen, schlanken und geschweiften Schenkeln verhindert die Ansammlung stauender Luftschichten.The unequally long legs α b and cd l of the wavelength h rise to the wave height D. The longer leg α b, which rises in a slender curve, grants the fire gases a snug entry, while the shorter leg cd l is less slender in order to achieve as free a development of the heating gases as possible. This wave shape with two unequal long, slender and curly legs prevents the accumulation of stagnant air layers.
Claims (2)
Publications (1)
Publication Number | Publication Date |
---|---|
DE190146C true DE190146C (en) |
Family
ID=453630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT190146D Active DE190146C (en) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE190146C (en) |
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0
- DE DENDAT190146D patent/DE190146C/de active Active
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