DE279689C

DE279689C -

Info

Publication number: DE279689C
Application number: DENDAT279689D
Authority: DE

Description

KAISERLICHESIMPERIAL

PATENTAMT.PATENT OFFICE.

PATENTSCHRIFTPATENT LETTERING

Vr 279689 KLASSE 24 e. GRUPPEVr 279689 CLASS 24 e. GROUP

in STETTIN.in STETTIN.

aus Gaserzeugern.from gas generators.

Patentiert im Deutschen Reiche vom 11. September 1913 ab.Patented in the German Empire on September 11, 1913.

Die Erfindung betrifft ein Verfahren und eine Einrichtung zur Erleichterung des Entfernens von Asche und Schlacke aus Gaserzeugern, insbesondere solcher Betriebe (z. B. Gasanstalten), in denen die Gaserzeuger mit Koksgrus unter Beimischung geringer Mengen Stückkoks beschickt werden. Bei dem Betriebe derartiger Gaserzeuger bildet sich in dem Brennstoffschacht unmittelbar über dem Rost eine mürbe Aschenschicht und unmittelbar über dieser ein Schlakkengewölbe. Von Zeit zu Zeit müssen die Asche und die Schlacke durch eine Tür entfernt werden, die am unteren Ende des Brennstoffschachtes in dessen Wandung vorgesehen ist.The invention relates to a method and a device for facilitating removal of ash and slag from gas generators, in particular such companies (e.g. gas stations), in which the gas generators use coke breeze with the addition of small amounts of lump coke be charged. When such gas generators are in operation, it forms in the fuel shaft immediately above the grate a crumbly ash layer and immediately above this a slag vault. From time to time the ashes and slag must be removed through a door, which is provided at the lower end of the fuel shaft in its wall.

Da sich hierbei das Schlackengewölbe bis zum unteren Rande der Tür erstreckt, muß zunächst nach dem Öffnen der Tür das Schlackengewölbe zerstoßen werden, ehe die Asche zusammen mit den Schlackenstücken entfernt werden kann.Since the cinder vault extends to the lower edge of the door, you must first After opening the door, the cinder vault must be crushed before the ashes together with the slag pieces can be removed.

Die Beseitigung der mit Schlackenstücken vermengten Asche ist mit verhältnismäßig großem Kraftaufwand und Zeitverlust verbunden. Ferner müssen bei diesem Betriebe vor dem Zerstoßen des Schlackengewölbes über diesem in üblicher Weise von außen Hilfsroststäbe in den Brennstoffschacht eingeführt werden, und zwar vor Öffnen der zum Entfernen der Asche und Schlacke dienenden Tür, d. h. vor dem Herausschaffen der Asche.The disposal of the ash mixed with pieces of cinder is with a relatively large amount Effort and loss of time connected. Furthermore, this must be done before crushing the slag vault above this in the usual way from the outside auxiliary grate bars in the Fuel shaft to be introduced, before opening the to remove the ash and Slag serving door, d. H. before removing the ashes.

Nach der Erfindung wird zur Erleichterung des Entschlackens der Gaserzeuger in der Nähe des unteren Teiles der Aschen- und Schlackentür ein gasförmiges Mittel, beispielsweise Dampf, in den Gaserzeugerschacht geleitet. Hierdurch wird die Schlackenbildung vor der Tür verhindert. Infolgedessen kann die Asche für sich allein unter dem im Schacht entstandenen Schlackengewölbe leicht herausgezogen werden, bevor dieses Gewölbe zerstoßen wird und die Schlackenteile entfernt werden. Hierbei werden die Hilfsroststäbe zweckmäßig erst nach Entfernen der unter dem Schlackengewölbe liegenden Asche in den Schacht eingeführt. Dadurch wird die Zeit, während der die Hilfsroststäbe der Hitze des glühenden Brennstoffs ausgesetzt sind, beträchtlich verringert und die Lebensdauer der Hilfsroststäbe entsprechend erhöht.According to the invention, the gas generators in the vicinity are used to facilitate the purification the lower part of the ash and slag door a gaseous agent, for example steam, passed into the gas generator shaft. This prevents slag formation in front of the door. As a result, the ashes can stand on their own under the one created in the shaft Slag vaults are easily pulled out before this vault is crushed and the Slag parts are removed. In this case, the auxiliary grate bars are only expediently removed after they have been removed the ashes lying under the cinder vault are introduced into the shaft. Through this becomes the time during which the auxiliary grate bars are exposed to the heat of the glowing fuel are considerably reduced and the service life of the auxiliary grate bars is increased accordingly.

Auf der Zeichnung ist eine Einrichtung zur Durchführung des Verfahrens in einer Ausführungsform dargestellt.The drawing shows a device for carrying out the method in one embodiment shown.

Fig. ι ist ein senkrechter Schnitt durch den unteren Teil eines mit der Einrichtung versehenen Gaserzeugers nach der Linie A-B der Fig. 2.FIG. 1 is a vertical section through the lower part of a gas generator provided with the device along the line AB in FIG. 2.

Fig. 2 ist ein wagerechter Schnitt nach der Linie C-D der Fig. 1.FIG. 2 is a horizontal section along the line CD in FIG. 1.

Der über dem Rost a des Gaserzeugers liegende Schacht b dient zur Aufnahme des Brennstoffs c. Die unter dem Rost α befindliche Kammer d steht in bekannter Weise mit einem in der Zeichnung nicht dargestellten Dampfstrahlgebläse o. dgl. in Verbindung, welches das zum Betriebe des Gaserzeugers erforderliche Dampfluftgemisch erzeugt. The shaft b located above the grate a of the gas generator is used to hold the fuel c. The chamber d located under the grate α is in a known manner with a steam jet fan or the like, not shown in the drawing, which generates the steam-air mixture required to operate the gas generator.

Am unteren Ende des Schachtes b ist in der Schachtwandung eine mit einem Rahmen e aus-At the lower end of the shaft b in the shaft wall there is a frame e.

Claims

Clad opening f is provided, which can be closed by a door g rotatable about vertical pegs h (FIG. 2) of the frame e. The door g is provided on the inside with a box i, the cavity k of which is connected through a channel y of the door g to a metal hose 0 connected to the faucet m of a steam line η. At the lower end of the box wall facing the shaft b, there is a series of holes p .provided. Openings r are located in the duct wall of the gas generator above opening f. ordered, can be introduced through the auxiliary grate bars, as shown in Fig. 1 with dashed lines. These auxiliary grate bars rest on the opposite side of the shaft wall in notches i and are known to have the purpose of preventing the column of fuel in it from falling when the ash and slag are removed from the shaft. When the gas generator is in operation, the door g is closed and the tap m of the steam line is open. Furthermore, the auxiliary grate bars s are removed and the openings r are hermetically sealed by plugs. The steam-air mixture introduced into the chamber d flows through the grate α into the shaft b and permeates the glowing fuel located therein. In this case, a crumbly ash layer u forms directly above the grate a and a slag vault v above it. During the removal of ash and slag, which is required from time to time, the supply of the vapor / air mixture into chamber d is interrupted. In the previous operations of the gas generators, the slag vault, v, as indicated by the dashed line w in FIG. 1, extended to the lower part of the door g. After opening the door, the auxiliary grate bars s first had to be inserted into the fuel shaft, whereupon the slag vault ν was crushed and the ash was removed through the opening f together with the slag pieces. The auxiliary grate rods remained in the glowing fuel for a relatively long time, so that they were soon destroyed as a result of the intense heat. According to the present method, when the gas generator is in operation, steam is introduced through the metal hose 0 into the cavity k of the box i provided on the inside of the door g, the amount of which can be regulated by the tap m. The steam flows continuously through the holes p at the lower end of the box i into the fuel shaft b. This prevents the formation of slag in the vicinity of the lower part of the door g. As a result, the cinder vault ν only reaches approximately as far as the point χ on the lower part of the door g. The steam emerging from the holes -p also promotes the combustion of the charge by generating hydrogen. . If now the ash and slag are to be removed from the shaft b, the steam supply is first interrupted by closing the valve m. Then the door g ■ is opened and the ashes u under the cinder vault ν are removed through the opening f. Since the cinder vault does not extend to the lower end of the opening / ", but leaves a passage at the front under point χ, the ashes can be removed quickly and easily. Only then are the auxiliary grate bars s inserted into the fuel shaft now crushed, and the slag parts are removed through the opening f. Passing the steam through the box i has the advantage that the door g is cooled and, if possible, protected from the heat of the fuel.

1.Methods to facilitate the removal of ash and slag from gas generators, characterized in that in the vicinity of the lower part of the serving for removing the grayling and slag Door a gaseous agent, such as steam, introduced into the fuel shaft and thereby the formation of slag in front of the lower part of the door is prevented, so that the ashes under the cinder vault created in the shaft are removed can before this is crushed after inserting the auxiliary grate bars and the slag parts be taken out.

2. Device for carrying out the method according to claim 1, characterized in that on the inside of the ash and slag door (g) a box (i) connected to a lockable steam line in, 0) is provided, through its lower openings (p) the steam flows into the fuel shaft (b) .

1 sheet of drawings.