DE175786C

DE175786C -

Info

Publication number: DE175786C
Application number: DE1905175786D
Authority: DE
Filing date: 1905-05-20
Anticipated expiration: 1925-05-21

Description

^'KAISERLICHES^ 'IMPERIAL

PATENTAMT.PATENT OFFICE.

PATENTSCHRIFTPATENT LETTERING

KLASSE 10«. GRUPPEGRADE 10". GROUP

OBERBAYERISCHEKOKSWERKEUPPER BAVARIAN COOKING WORKS

in BEUERBERG, Isartalbahn.in BEUERBERG, Isar Valley Railway.

Patentiert im Deutschen Reiche vom 21. Mai 1905 ab.Patented in the German Empire on May 21, 1905.

Den Gegenstand der Erfindung bildet ein Verfahren und eine Vorrichtung zur Ge-The subject of the invention is a method and a device for generating

, winnung eines halbkoksartigen Brennstoffes aus Torf., extraction of a semi-coke-like fuel from peat.

Die Erfindung besteht zunächst in dem Verfahren, daß man den Torf erst in der oberen Hälfte eines Schachtes mit etwa. 250⁰ heißen Feuerungsgasen oder überhitzten Wasserdämpfen gleicher Temperatur behandelt, den so behandelten Torf alsdann in die untere Schachthälfte bringt und hier ungefähr 350° heiße Feuerungsgase einleitet, innerhalb des Schachtes durch den Torf hindurchführt und mit den Destillationsprodukten in der Schachtmitte abzieht. Alsdann erfolgt wieder die Behandlung der neuen oberen Schachtbeschickung mit Feuerungsgasen oder Wasserdampf von etwa 250°. In der unteren Schachthälfte wird hierbei ein halbkoksartiger Brennstoff gewonnen, welcher wertvolle Eigenschaften besitzt.The invention consists first of all in the method that the peat is only in the upper half of a shaft with about. 250 ⁰ hot furnace gases or superheated water vapors of the same temperature, then brings the treated peat into the lower half of the shaft and introduces about 350 ° hot furnace gases here, leads them through the peat inside the shaft and withdraws with the distillation products in the middle of the shaft. Then the new upper shaft feed is treated again with combustion gases or water vapor at around 250 °. In the lower half of the shaft, a semi-coke-like fuel is obtained, which has valuable properties.

Um dieses Verfahren mittels der Feuerungsgase von stehenden Verkohlungsretortenöfen o. dgl. vorteilhaft durchführen zu können, ist ferner gemäß der Erfindung eine besondere Feuerung so angelegt, daß mittels ihrer die etwa 250° heißen Feuerungsgase des Retortenofens für die Behandlung der unteren Hälfte der Schachtofenfüllung auf die erforderliche höhere Temperatur gebracht werden können. Die Feuerung kann erforderlichenfalls auch den zum Schachtofenbetrieb benötigten Wasserdampfüberhitzer bedienen.This process is carried out using the combustion gases from standing charring retort furnaces To be able to carry out o. the like. Advantageously, is also a special one according to the invention Firing created in such a way that by means of it the combustion gases of the retort furnace, which are heated to about 250 ° for the treatment of the lower half of the shaft furnace filling to the required level higher temperature can be brought. If necessary, the furnace can also be used for shaft furnace operation operate the required steam superheater.

Eine Anlage zur Ausführung des Verfahrens unter Anwendung der Feuerungsgase von Verkohlungsretortenöfen ist in der Zeichnung veranschaulicht, und zwar zeigen Fig. ι einen senkrechten Längsschnitt undA system for carrying out the process using the combustion gases of charring retort furnaces is illustrated in the drawing, namely show Fig. Ι a vertical longitudinal section and

Fig. 2 einen wagerechten Schnitt durch die Anlage. ,Fig. 2 is a horizontal section through the system. ,

Ein Retortenofen A, in welchem eine vollkommene Verkohlung des Torfes herbeigeführt wird, ist in bekannter Weise mit Heizräumen α um die Retorten b herum versehen. An diese Heizräume α schließt sich eine Leitung c, in welche ein Ventilator d eingebaut ist, an. Diese Leitung c steht mit einem Schachtofen B in Verbindung, und zwar einerseits durch eine Leitung g, welche in der mittleren Höhe des Schachtes in diesen ausmündet, und andererseits durch eine Leitung e, die im unteren Teile des Schachtes endigt. Beide Leitungen sind absperrbar. Die obere, das Absperrventil i enthaltende Leitung g mündet im Schacht unterhalb eines konischen Einsatzes f¹, die untere Leitung unter einen ähnlichen konischen Einsatz/. Am oberen Ende des Ofenschachtes B A retort furnace A, in which a complete carbonization of the peat is brought about, is provided in a known manner with heating spaces α around the retorts b . A line c, in which a fan d is installed, connects to this boiler room α. This line c is connected to a shaft furnace B , on the one hand through a line g, which opens into the shaft in the middle of the shaft, and on the other hand through a line e, which ends in the lower part of the shaft. Both lines can be shut off. The upper line g containing the shut-off valve i opens into the shaft below a conical insert f ¹ , the lower line under a similar conical insert /. At the upper end of the furnace shaft B

Claims

there is a line q through which the gases developing in the upper half of the shaft can be discharged. The line q leads to a shuttle valve r, through which the gases can escape either to a line s leading to the open air or through a line t to condensation apparatus. In the middle of the shaft branches off from this

ίο of the insert f ^{l from} a line u , which can be shut off by a valve ν and, when it is opened, is connected to the condensation apparatus through a line w. The gases developed in the lower half of the shaft are drawn off through the line w.

With the α from the heating chambers leading into the flue gas line gas duct of the deduction of auxiliary firing is m, in a lockable connection, so that the gases can be added to about 250 ⁰ Hot furnace gases the retort at will, to bring it to 350 ^0th According to the drawing, the furnace m is operated with gas. The gas is supplied through a line η and the air through a channel 0 . The fireplace m can be opened by a slider χ ο. Like. Alternately with the flue gas pipe, which for. Shaft furnace B leads, connected or shut off by this, depending on whether firing gases of lower or higher temperature are required in the shaft furnace B. The auxiliary firing m serves, if desired, at the same time to heat a steam superheater /, from which, instead of the combustion gases of the retort furnaces, superheated water vapors of around 250 ^{0 are introduced} through the line h , which is provided with a shut-off valve k , into the center of the shaft B. In this case, the combustion chamber of the auxiliary furnace m is connected to the food channel y . Connection, which is provided with a slide ^ or other shut-off means.

The operation of furnace B is essentially as follows:

In the upper half of the shaft, ^{the peat is treated with about 250 °} C. hot gases, which are drawn off from the combustion chambers of the charring retort furnaces, directly by passing the gases through the peat, while in the lower part of the shaft, which was previously in this way and afterwards at 35 ° C. peat treated with hot gases remains for the time being. If combustion gases are used during this period, they are taken from the flue gas line c through the branch line g after opening the shut-off device i located in this line and shutting off the lower branch line e . Instead of the flue gases, it is also possible to introduce superheated water vapors of around 250 ⁰ from the steam superheater / superheated water vapors into furnace shaft B through line h . In the latter case, the flue gas line g is expediently shut off from the furnace shaft. When the operation in the upper part of the manhole is finished, the lower half of the manhole is emptied. The peat that has been pretreated at the top of the shaft slides down and new material is poured in from above.

After the. Shut-off valves i and k are closed, the lower line e is opened and the furnace m is connected to the discharge of the furnace gases from the retort furnace by opening the slide χ. The furnace m increases the temperature of the exhaust gases from the retort furnace to about 350 °. These hot gases flow through line c below into furnace shaft B, rise through the peat in the lower half of the shaft and are drawn off with the distillation products in the middle of the shaft.

This is followed by the treatment of the upper shaft feed, whereupon the one in the peat located in the lower half of the manhole is withdrawn.

Godfather ν τ-Α ν Proverbs:

■ i. Method of semi-finished coking peat in a shaft furnace, from the charging column of which the lower half is withdrawn intermittently with refilling of the upper half, in two stages, characterized in that in alternating. the time periods through the peat, when it is in the upper half of the shaft, about 250 ^° C. hot furnace gases or superheated water vapors of the same temperature, on the other hand, when the peat treated in this way then gets into the lower ^{half of the shaft, 350 °} C. hot furnace gases are passed through, the heating gases with the gases and vapors developed one after the other being separated and withdrawn in a known manner, namely those coming from the lower half of the shaft before reaching the upper half of the shaft.

2. Furnace for performing the method according to claim i, characterized by an auxiliary firing fm), through which the z. B. used in the heating of standing charring retort ^{furnaces and with about 250 0} C. incoming furnace gases before their introduction into the lower half of the

Shaft furnace to the required temperature of approximately 350 ⁰ C. are heated.

3. Furnace according to claim 2 for performing the method according to claim i, characterized in that a steam superheater is arranged above the auxiliary ^{furnace, from which superheated steam of about 250 °} C. are introduced into the center of the shaft furnace for treating the upper half of the shaft filling can.

1 sheet of drawings.