DE516483C - Drum grate with longitudinal grate bars, especially for fine-grain fuel - Google Patents
Drum grate with longitudinal grate bars, especially for fine-grain fuelInfo
- Publication number
- DE516483C DE516483C DESCH85447D DESC085447D DE516483C DE 516483 C DE516483 C DE 516483C DE SCH85447 D DESCH85447 D DE SCH85447D DE SC085447 D DESC085447 D DE SC085447D DE 516483 C DE516483 C DE 516483C
- Authority
- DE
- Germany
- Prior art keywords
- grate
- drum
- fine
- fuel
- longitudinal
- 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
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H9/00—Revolving-grates; Rocking or shaking grates
- F23H9/02—Revolving cylindrical grates
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Solid-Fuel Combustion (AREA)
Description
Trommelrost mit längsliegenden Roststäben, insbesondere für feinkörnigen Brennstoff Die Erfindung betrifft einen Trommelrost mit längsliegenden Roststäben, insbesondere zur Verbrennung von feinkörnigem Brennstoff.Drum grate with longitudinal grate bars, especially for fine-grained ones Fuel The invention relates to a drum grate with longitudinal grate bars, especially for the combustion of fine-grained fuel.
Derartige Trommelroste müssen zur Erzielung möglichst großer nutzbarer Rostflächen sehr große Abmessungen erhalten, da nur ein verhältnismäßig kleiner Teil des Umfanges für die Lagerung des Brennstoffes zur Verfügung steht, was sich auf den Raumbedarf, auf den Aufbau und die Kosten der gesamten Feuerungsanlage in ungünstiger Weise auswirkt.Such drum grids must be usable in order to achieve the largest possible Grate surfaces get very large dimensions, since only a relatively small one Part of the scope for fuel storage is what is available on the space requirements, the structure and the costs of the entire combustion system in has an unfavorable effect.
Die Erfindung bezweckt, einen möglichst großen Teil des Trommelumfanges als Rostfläche auszunutzen und dabei eine vollkommene Verbrennung des Brennstoffes auf seinem Wege in der Brennzone herbeizuführen.The aim of the invention is to use the largest possible part of the drum circumference to use as a grate surface and thereby a perfect combustion of the fuel to bring about on its way in the burning zone.
Erreicht wird der angestrebte Zweck dadurch, daß die längsliegenden Roststäbe einen Z- oder S-förmigen Querschnitt besitzen und dadurch Mulden bilden, wobei deren benachbarte freie Schenkel derart übereinandergreifen, daß ein Zwischenraum für den Luftdurchtritt verbleibt.The intended purpose is achieved in that the longitudinal grate bars have a Z- or S-shaped cross-section and thereby form troughs, the adjacent free legs of which overlap in such a way that a gap remains for air to pass through.
Zweckmäßig verbreitert sich der so gebildete Luftkanal gegen das Austrittsende, so daß die diesem zugeführte, in wirtschaftlicher Weise mengenmäßig geregelte Luft stets eine breite, in der Roststabmulde vorgelagerte Brennstofffläche trifft und sich gut verteilen kann.The air channel formed in this way expediently widens towards the outlet end, so that the air supplied to it, which is regulated in terms of quantity in an economic manner always hits a wide fuel surface in front of the grate bar trough and can be distributed well.
Durch diese Roststabausbildung erreicht man ferner, daß bei fortschreitender Drehung der Trommel der Brennstoff in den Roststabmulden sich ständig verlagert, stets zu der tiefsten Stelle rutschen muß und somit den Eintritt von Falschluft in den Feuerraum verhindert.This grate bar training also achieves that with advancing Rotation of the drum the fuel in the grate bar troughs is constantly shifting, must always slide to the deepest point and thus the entry of false air prevented from entering the combustion chamber.
Die Erfindung sei an einem Ausführungsbeispiel näher erläutert.The invention will be explained in more detail using an exemplary embodiment.
Abb. i zeigt einen Quer- und Längsschnitt eines waagerecht liegenden Trommelrostes nach der Erfindung. Abb, a ist ein Querschnitt durch zwei benachbarte Roststäbe.Fig. I shows a cross and longitudinal section of a horizontally lying Drum grate according to the invention. Fig, a is a cross section through two adjacent ones Grate bars.
Der Mantel der Trommel besteht aus nebeneinander angeordneten Roststäben von Z- oder S-förmigem Querschnitt mit den Kröpfungen d und a sowie den freien Schenkeln b und c. Der bereits entzündete Brennstoff gelangt durch einen Schacht am Anfang der Brennzone in die Roststabmulden und wird in der Drehrichtung der Trommel mitgeführt. Auf dem Wege vom Beginn bis zum Ende der Brennzone wird der Brennstoff, der einem düsenartigen, durch die freien Schenkel b und c zweier benachbarter Roststäbe gebildeten Luftkanal e vorgelagert ist, vollkommen zur Verbrennung gebracht. Dabei strömt die Luft, die durch eine Hohlwelle k in das Trommelinnere geblasen wird, in Pfeilrichtung (Abb. a) durch den Luftkanal e. Die Luftzufuhr wird während der Bewegung des Rostes in der Brennzone, mittels einer an sich bekannten Nockenventilsteuerung g, lt, i mengenmäßig geregelt, so daß der Verbrennungsvorgang in wirtschaftlichster Weise herbeigeführt wird.The shell of the drum consists of grate bars arranged next to one another and having a Z- or S-shaped cross-section with offsets d and a and the free legs b and c. The already ignited fuel reaches the grate bar troughs through a shaft at the beginning of the combustion zone and is carried along in the direction of rotation of the drum. On the way from the beginning to the end of the combustion zone, the fuel, which is in front of a nozzle-like air channel e formed by the free legs b and c of two adjacent grate bars, is completely burned. The air, which is blown through a hollow shaft k into the interior of the drum, flows in the direction of the arrow (Fig. A) through the air duct e. The air supply is regulated in quantity during the movement of the grate in the combustion zone by means of a cam valve control g, lt, i known per se, so that the combustion process is brought about in the most economical way.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DESCH85447D DE516483C (en) | Drum grate with longitudinal grate bars, especially for fine-grain fuel |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DESCH85447D DE516483C (en) | Drum grate with longitudinal grate bars, especially for fine-grain fuel |
Publications (1)
Publication Number | Publication Date |
---|---|
DE516483C true DE516483C (en) | 1931-01-23 |
Family
ID=7443214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DESCH85447D Expired DE516483C (en) | Drum grate with longitudinal grate bars, especially for fine-grain fuel |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE516483C (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1157336B (en) * | 1958-09-02 | 1963-11-14 | Schmidt Sche Heissdampf | Rotary grate for burning solid fuels for steam boilers u. like |
-
0
- DE DESCH85447D patent/DE516483C/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1157336B (en) * | 1958-09-02 | 1963-11-14 | Schmidt Sche Heissdampf | Rotary grate for burning solid fuels for steam boilers u. like |
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