DE1501960C3 - Ceramic combustion device for a fuel gas with a low calorific value - Google Patents
Ceramic combustion device for a fuel gas with a low calorific valueInfo
- Publication number
- DE1501960C3 DE1501960C3 DE19651501960 DE1501960A DE1501960C3 DE 1501960 C3 DE1501960 C3 DE 1501960C3 DE 19651501960 DE19651501960 DE 19651501960 DE 1501960 A DE1501960 A DE 1501960A DE 1501960 C3 DE1501960 C3 DE 1501960C3
- Authority
- DE
- Germany
- Prior art keywords
- combustion
- combustion chamber
- inflow
- flow direction
- channels
- 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
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
- F22B21/34—Water-tube boilers of vertical or steeply-inclined type, i.e. the water-tube sets being arranged vertically or substantially vertically built-up from water tubes grouped in panel form surrounding the combustion chamber, i.e. radiation boilers
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)
- Incineration Of Waste (AREA)
Description
Stirnwand geneigt. Durch diese Anordnung werden die zuströmenden Brenngase gegen die in spitzem Winkel auf sie gerichteten Luftströme geführt und auf engem Raum mit ihnen vermischt.Front wall inclined. With this arrangement, the inflowing fuel gases are countered by the in-point Angled air currents directed at them are guided and mixed with them in a confined space.
Ferner können die Zuströmkanäle einen Luftzufuhrraum durchqueren und in ihren Wänden Luftdurchlässe aufweisen. Bereits vor Eintritt in die Brennkammern wird hierbei also das Brenngas mit einem Teil der zugeführten Luft vermischt.Furthermore, the inflow channels can have an air supply space cross and have air passages in their walls. Even before joining the Combustion chambers in this case the fuel gas is mixed with part of the air supplied.
Die Zeichnung stellt ein Ausführungsbeispiel des Erfindungsgegenstandes dar, und zwar zeigtThe drawing represents an embodiment of the subject matter of the invention, namely shows
Fig. I einen Längsschnitt durch eine Verbrennungseinrichtung längs der Linie I-I der Fig. II,1 shows a longitudinal section through a combustion device along the line I-I of Fig. II,
Fig. II einen senkrechten Schnitt durch Fig. I, in Richtung auf die Hilfsbrenner gesehen.FIG. II shows a vertical section through FIG. seen in the direction of the auxiliary burner.
Die Verbrennungseinrichtung 1 wird von einer Stahlkonstruktion 2 getragen, die ihrerseits auf Pfeilern 3 ruht, und weist einen Boden 4, eine Decke 6, eine Stirnwand 7 und eine Rückwand 9 auf, die einen Brennraum umschließen. Dieser ist durch Zwischenwände 8 in mehrere längliche Brennkammern 11 unterteilt. F i g. I zeigt eine dieser Brennkammern 11.The incinerator 1 is supported by a steel structure 2, which in turn is supported on pillars 3 rests, and has a floor 4, a ceiling 6, an end wall 7 and a rear wall 9, the one Enclose combustion chamber. This is divided into several elongated combustion chambers 11 through partition walls 8 divided. F i g. I shows one of these combustion chambers 11.
Jede Brennkammer 11 besitzt einen stromauf gelegenen Abschnitt 13 und einen stromab gelegenen Abschnitt 16. Am Ende des Abschnittes 16 sind mit Abstand voneinander mehrere Prallplatten 52 angeordnet. Daran schließt sich ein Röhrenwärmetauscher 46 an.Each combustion chamber 11 has an upstream section 13 and a downstream section Section 16. At the end of section 16, a plurality of baffle plates 52 are arranged at a distance from one another. This is followed by a tubular heat exchanger 46.
In der Stirnwand 7 sind mehrere Hilfsbrenner 33 angeordnet, und zwar jeweils ein Hilfsbrenner 33 für jede Brennkammer 11.A plurality of auxiliary burners 33 are arranged in the end wall 7, one auxiliary burner 33 each for each combustion chamber 11.
Die Decke 6 verläuft in HauptströmungsrichtungThe ceiling 6 runs in the main flow direction
ansteigend. Sie geht an ihrem stromab gelegenen Ende in einen nach unten weisenden Wandvorsprung 41 über, durch den die Verweilzeit in den Brennkammern 11 erhöht wird.increasing. At its downstream end, it goes into a wall projection 41 pointing downwards over, by which the residence time in the combustion chambers 11 is increased.
In der Decke 6 sind mehrere Öffnungen 28 für Zuströmkanäle 29 für Brenngas ausgebildet. Das Brenngas strömt über eine Zuleitung 18 und einen Verteilerraum 21 mit einer Ummantelung 19 in dieA plurality of openings 28 for inflow channels 29 for fuel gas are formed in the ceiling 6. The Fuel gas flows through a feed line 18 and a distributor space 21 with a casing 19 into the
xo Zuströmkanäle 29. Die Pfeile 17 deuten die zuströmenden Brenngasströme an.xo inflow channels 29. The arrows 17 indicate the inflowing fuel gas flows.
Luft wird über eine Luftzuführung 26 einem Zufuhrraum 24 zugeleitet. Dieser Zufuhrraum 24 besitzt Luftdurchlässe 31, über die er mit den Zuströmkanälen 29 in Verbindung steht. Es münden jeweils zwei Luftdurchlässe 31 in jeden Zuströmkanal 29.Air is supplied to a supply space 24 via an air supply 26. This supply space 24 has Air passages 31 through which it is connected to the inflow channels 29. It each flow out two air passages 31 in each inflow duct 29.
In der Decke 6 sind ferner Lufteintrittskanäle 32In the ceiling 6 there are also air inlet ducts 32
ausgebildet. Jedem Zuströmkanal 29 ist jeweils ein Lufteintrittskanal 32 zugeordnet, dessen Achse sicheducated. Each inflow channel 29 is assigned an air inlet channel 32, the axis of which is
ao mit der Achse des Zuströmkanals 29 innerhalb der jeweiligen Brennkammer 11 schneidet. Die Luft strömt vom Luftzufuhrraum 24 in Richtung der Pfeile 22 in die Brennkammern 11 und außerdem, wie angedeutet, über die Luftdurchlässe 31 in die Zuströmkanäle 29.ao intersects with the axis of the inflow channel 29 within the respective combustion chamber 11. The air flows from the air supply space 24 in the direction of the arrows 22 into the combustion chambers 11 and also, as indicated, Via the air passages 31 into the inflow channels 29.
Die Decke des Luftzufuhrraumes 24 bildet eine Ummantelung 23, in der Öffnungen 27 für das zuströmende Brenngas ausgebildet sind. Die Brennkammern 11 werden durch Ziegel 43 gebildet bzw. sind mit ihnen ausgekleidet, wodurch sich ein großer Wärmespeicherwert ergibt.The ceiling of the air supply space 24 forms a casing 23 in which openings 27 for the incoming Fuel gas are formed. The combustion chambers 11 are formed by bricks 43 or are lined with them, which results in a large heat storage value.
Hierzu 2 Blatt ZeichnungenFor this purpose 2 sheets of drawings
Claims (3)
teilraum gespeist werden, aufweist und von der Eine derartige Verbrennungseinrichtung für mit1. Ceramic combustion device for section is provided with a cover, which in the section facing away from a fuel gas of low calorific value, in particular 5 the first-mentioned section, to an exhaust gas of a catalytic hydrocarbon transversely to the main flow direction extending cracking system, with an end wall bordering in the main flow direction parallel to this device elongated and in two sections side by side arranged fuel gas supply lines, subdivided, horizontally running combustion chamber, which in the main flow direction one behind the other are subdivided into an inflow channels provided in the main flow direction of its downstream section and fed from above this provided tubular heat a distribution chamber and Exchanger passes and whose upstream section from the end wall in the main flow direction is provided with a cover which rises in an upward direction and which is horizontally in series with that of the first-mentioned section Auxiliary burners formed in the end wall and facing an end of the ceiling bordering transversely to the main flow direction with a vertical end wall apparently extending parallel to the end wall, at the end of the ceiling facing the downstream section area parallel to this adjacent combustion chamber Disposed fuel gas feeds, which are divided into inflow channels within the combustion chamber, which are mainly formed, the dwell time of the process involved in the combustion flow direction and which are provided with a wall protrusion that extends the combustion flow direction.
are fed partial space, and of which such a combustion device for with
in der Stirnwand ausgebildeten Hilfsbrennern Aus der USA.-Patentschrift 3182 638 ist eineFront wall made of exhaust gas mixed with oxygen in the main flow direction is rising in German, and the patent 1 501 961 proposed with horizontal in series,
Auxiliary burners formed in the end wall. US Pat. No. 3,182,638 is one
wertes, insbesondere Abgas einer katalytischen 65 Bei einer bevorzugten Ausgestaltung des Gegen-Kohlenwasserstoff-Krackanlage, mit einem in Haupt- Standes der Erfindung ist der jedem Zuströmkanal Strömungsrichtung langgestreckten und in zwei Ab- zugeordnete Lufteintrittskanal in Hauptströmungsschnitte unterteilten, horizontal verlaufenden Brenn- richtung hinter diesem angeordnet und gegen dieThe invention relates to a ceramic combustion plates, a relatively long stay of the combustion device for a fuel gas with low heating medium can be achieved within the combustion chambers,
value, especially exhaust gas of a catalytic 65 In a preferred embodiment of the counter-hydrocarbon cracking system, with a main state of the invention, the flow direction of each inflow channel is elongated and divided into two associated air inlet channel in main flow sections, horizontally running combustion direction behind it arranged and against the
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEA0050886 | 1965-11-26 |
Publications (3)
Publication Number | Publication Date |
---|---|
DE1501960A1 DE1501960A1 (en) | 1971-12-30 |
DE1501960B2 DE1501960B2 (en) | 1974-03-14 |
DE1501960C3 true DE1501960C3 (en) | 1974-10-10 |
Family
ID=6937644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19651501960 Expired DE1501960C3 (en) | 1965-11-26 | 1965-11-26 | Ceramic combustion device for a fuel gas with a low calorific value |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE1501960C3 (en) |
-
1965
- 1965-11-26 DE DE19651501960 patent/DE1501960C3/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1501960A1 (en) | 1971-12-30 |
DE1501960B2 (en) | 1974-03-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C3 | Grant after two publication steps (3rd publication) | ||
E77 | Valid patent as to the heymanns-index 1977 | ||
8339 | Ceased/non-payment of the annual fee |