DE526702C - Rotating, lying drum furnace with pulverized coal combustion around its longitudinal axis - Google Patents
Rotating, lying drum furnace with pulverized coal combustion around its longitudinal axisInfo
- Publication number
- DE526702C DE526702C DEM105718D DEM0105718D DE526702C DE 526702 C DE526702 C DE 526702C DE M105718 D DEM105718 D DE M105718D DE M0105718 D DEM0105718 D DE M0105718D DE 526702 C DE526702 C DE 526702C
- Authority
- DE
- Germany
- Prior art keywords
- furnace
- pulverized coal
- longitudinal axis
- rotating
- coal combustion
- 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
- 239000003245 coal Substances 0.000 title claims description 3
- 238000002485 combustion reaction Methods 0.000 title claims 2
- 239000007789 gas Substances 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 238000000605 extraction Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 3
- 239000000289 melt material Substances 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Description
Um seine Längsachse drehbarer, liegender Trommelofen mit Kohlenstaubfeuerung DieErfindung betrifft einen liegenden, drehbaren Trommelofen mit Vorwärmekammer.Horizontal drum furnace with pulverized coal firing that can be rotated around its longitudinal axis The invention relates to a horizontal, rotatable drum furnace with a preheating chamber.
In den mit Kohlenstaub gefeuerten drehbaren Trommelöfen wird das Metall nicht kontinuierlich niedergeschmolzen, wie z. B. im Gießereischachtofen(Kupolofen),sondern jede Charge muß für sich eingesetzt und der Einsatz kann erst nach dem Schmelzen des ganzen Inhaltes ganz oder teilweise abgestochen werden. Es steht also nur in größeren Pausen flüssiges Metall zur Verfügung. Diese Öfen besitzen wie die meisten Herdöfen den Nachteil, daß sie zur Einrichtung von Fließarbeit in der Gießerei, z. $. Guß auf dem Transportband, auf Roll- oder Drehtischen, nicht geeignet sind.The metal is made in the rotating drum furnaces fired with coal dust not continuously melted down, such as B. in the foundry shaft furnace (cupola furnace), but Each batch must be used for itself and can only be used after melting of the entire content can be tapped in whole or in part. So it's just in larger breaks liquid metal available. These ovens, like most, have Hearth furnaces have the disadvantage that they are used to set up flow work in the foundry, z. $. Casting on the conveyor belt, on roller tables or turntables are not suitable.
Diesen Nachteil abzuschaffen, bezweckt die Erfindung. Sie hat eine Lösung gefunden, welche die Vorteile des drehbaren kohlenstaubgefeuerten Trommelofens mit denen des kontinuierlichen Kupolofens verbindet, ähnlich, wie es schon bei feststehenden Gasflammöfen mit Vorwärmekammer bekannt ist. Gleichzeitig wird durch die Form der Vorwärmekammer der Brennstoff im Gegenstromprinzip besser ausgenützt als bei den bekannten Trommelöfen.The invention aims to eliminate this disadvantage. she has a Solution found, which takes advantage of the rotary pulverized coal-fired drum furnace connects with those of the continuous cupola, similar to what is already the case with fixed ones Gas flame furnaces with a preheating chamber is known. At the same time, the shape of the Preheating chamber the fuel is better used in the counterflow principle than with the known drum furnaces.
Der Trommelofen wird nach der Erfindung mit dem Ende, an dem sich das Abstichloch und der Brenner befindet, tiefer gelegt, so daß seine Achse schräg zur Hüttensohle liegt; das andere höher liegende Ende des Ofens wird durch eine mit ihm fest verbundene, gleichfalls rotierende Röhre nebst Förderschnecke verlängert. So ist es möglich, während des Schmelzens am Ende der Röhre dauernd neues Schmelzgut aufzugeben, das dem Wärmefluß entgegen langsam, aber fortlaufend in den Ofen nachgeschoben wird; wobei es immer mehr erhitzt wird. Das geschmolzene Metall kann wie beim Kupolofen dauernd abgestochen werden.The drum furnace is according to the invention with the end at which the tap hole and the burner is located, lowered so that its axis is inclined lies to the bottom of the hut; the other, higher end of the furnace is supported by a with it firmly connected, also rotating tube and screw conveyor extended. In this way, it is possible to keep new melt material at the end of the tube while it is being melted to give up, slowly but continuously pushed into the oven against the flow of heat will; where it is heated more and more. The molten metal can be as in the cupola furnace are continuously cut off.
Die Länge der Röhre richtet sich nach der Temperatur, bis zu welcher die Abgase ausgenützt werden sollen.The length of the tube depends on the temperature up to which the exhaust gases are to be exploited.
Je nach der Art des Schmelzgutes ist für den Fall, das die in dem Ofen und in der Röhre abgelagerte Asche schädlich auf das Schmelzgut einwirkt, vorgesehen, die Abgase durch einen Exhaustor am Ende des Ofens abzusaugen. Da in diesem Falle keine Füllöffnung vorhanden sein darf, wird zwischen Röhre undExhaustor eine Beschickungsanlage nach Art des Parryschen Trichters eingeschaltet, aus dem das Schmelzgut dem drehbaren Teil des Ofens zugeführt wird.Depending on the type of melting material, in the event that the Furnace and ash deposited in the tube has a harmful effect on the melt material, provided, suction the exhaust gases through an exhaustor at the end of the furnace. There in this case no filling opening is allowed, a charging system is installed between the tube and the exhaustor switched on in the manner of Parry's funnel, from which the melting material is turned into the rotatable Part of the furnace is fed.
Auf der Zeichnung ist die Ofenanlage im Längsschnitt dargestellt.In the drawing, the furnace system is shown in longitudinal section.
Der drehbare, schräg zur Hüttensohle liegende Trommelofen a ist an der Gasabzugseite durch die Röhre b verlängert, die der Vorwärmung des Schmelzgutes dient. In der Röhre b befindet sich die Förderschnecke c. Die Beschickungsanlage nach Art des Parryschen Trichters ist mit d bezeichnet.The rotatable drum furnace a, which is inclined to the bottom of the hut, is on the gas extraction side is extended through the tube b, which is used to preheat the material to be melted serves. The screw conveyor c is located in the tube b. The loading system in the manner of Parry's funnel is denoted by d.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEM105718D DE526702C (en) | Rotating, lying drum furnace with pulverized coal combustion around its longitudinal axis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEM105718D DE526702C (en) | Rotating, lying drum furnace with pulverized coal combustion around its longitudinal axis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE526702C true DE526702C (en) | 1931-06-09 |
Family
ID=7325708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEM105718D Expired DE526702C (en) | Rotating, lying drum furnace with pulverized coal combustion around its longitudinal axis |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE526702C (en) |
-
0
- DE DEM105718D patent/DE526702C/en not_active Expired
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