WO2013167246A2

WO2013167246A2 - Leveling box of a coke oven chamber containing a fire-proof molded body as scraper contour, leveling bar, and method for leveling a bed of coal in a filled coke oven chamber

Info

Publication number: WO2013167246A2
Application number: PCT/EP2013/001295
Authority: WO
Inventors: Gregor BRUCH
Original assignee: Thyssenkrupp Uhde Gmbh
Priority date: 2012-05-08
Filing date: 2013-05-02
Publication date: 2013-11-14
Also published as: TW201400600A; WO2013167246A3; AR091810A1; DE102012008936B3

Abstract

The invention relates to a leveling box of the coke oven chamber door of a coke oven for coking coal, containing a fire-proof molded body as scraper contour, which is used in the leveling box for leveling, and by means of which the profile of the leveling box opening changes such that when the leveling bar is pulled out after leveling, the coal is scraped off the leveling bar by means of the scraper contour. The invention further relates a molded body suitable as a scraper contour, which can be used in a leveling box, and which has a rounded rectangular block shape. The invention also relates to a leveling bar having two lateral cheeks, and having cross members, all of which are flush with the upper edge of the cheeks. In addition, the invention relates to a method for leveling a bed of coal, which utilizes the scraper contour in a leveling box according to the invention and a profile-adapted leveling bar for leveling a bed of coal. In this manner, the filling level of the bed of coal in the coke oven can be adjusted.

Description

Leveling box of a coke oven chamber with a refractory shaped body contained therein as Abstreifkontur, leveler and method for leveling a coal bed in a filled coke oven chamber

The invention relates to a grading box of the coke oven chamber of a coke oven for coking coal with a refractory molded body contained therein as Abstreifkontur, which is used in the dozer when leveling, and through which changes the profile of the dozer opening, so that the coal when pulling out the leveler is stripped from the leveler by the Abstreifkontur after leveling. The invention further relates to a form suitable as Abstreifkontur molding which is insertable into a leveling box and has a rounded parallelepiped shape, and further a leveling bar, which consists of two lateral cheeks, and which has transverse struts, which are all flush with the upper edge of the cheeks. The invention also relates to a method for leveling a bed of coal which utilizes the stripping contour according to the invention in a leveling box and a leveling bar adapted to the profile for grading a bed of coal. As a result, the unwanted pulling out of the Kohlebesatzes from the coke oven chamber during leveling is prevented.

The carbonization of coal is usually carried out cyclically, the cycles of the process steps loading - coking - emptying the coke oven chamber are formed. In many embodiments, the step of loading is carried through the ceiling of the coke oven chamber by transporting the coal from a coal bunker through a carbon loading car traveling on the ceiling and filling it from the coal car through filling openings in the ceiling. A method for this type of filling is taught by WO2009106251 A1. Since the filling is carried out through openings in the ceiling, formed on the underlying surface points of the coal bed of the number of Fülllöcher corresponding loops, which are only loosely distributed by the action of gravity and thereby lead to an uneven surface structure of the coal bed in the coke oven chamber after loading , The uneven distribution of the coal on the surface of the coal bed would lead to an unfavorable temperature distribution would result in Gassammeiraum above the coal, so that the carbon coked unevenly over the entire period of coking, resulting in a deterioration of the coking process , For this reason, the coal bed is leveled after filling, so that a

CONFIRMATION COPY as uniform as possible surface of the coal bed is produced. A typical method for planing the coal bed is disclosed in WO2009068161A1. The method is carried out by the successive steps of filling a coke oven chamber, wherein by means of at least one measuring device arranged on a leveler and a computing unit connected to the measuring device during the filling process within the oven chamber, the bedding behavior in the longitudinal direction is determined, and depending on the determined Embrittlement course an additional loading of the furnace chamber takes place, and by the measuring device in the longitudinal direction and transverse direction of the furnace chamber contactless a three-dimensional level profile is determined.

For leveling the coal bed is usually a leveling bar, which is attached to the Koksausdrückmaschine. The leveler is retracted for leveling the coal bed in the horizontal direction in the coke oven chamber and smoothed by horizontal movements, the coal bed. The drive of the dozer is done by way of example by cable drum drives. The retraction of the scraper happens after closing the coke oven chamber door, just before the end of the furnace filling. In order to allow the leveling bar to enter the coke oven chamber, a leveling door is located in the coke oven chamber door. This is usually equipped with a backward to the coke oven chamber arranged leveling box, which is a space provided for coal clearance space equipped. Most embodiments for coke oven chambers use this planning doors, which are arranged in the coke oven door. An embodiment of this teaches the DE10240248B4.

The amount of the planned coal bed must be accurately dimensioned when filling the coke oven chamber, since this ultimately determines the dimension of the resulting Gassammeiraumes on the coal bed. The dimensioning of the gas collecting space above the coal cake during loading is of great importance for the operation of the coke oven chambers. The upper limit of filling in a coke oven chamber operating on the "heat recovery" or "non-recovery" principle is determined by the arrangement of the side coke oven gas channels ("downcomer" channels) which are suitable for operation In the case of coke oven chambers, which collect the coke oven gas for further processing, a certain coal bed height must not be exceeded during loading, otherwise the raw gas can not be sucked freely into the receiver and exit at the filling holes. Coke oven chambers which operate on the principle of "heat recovery" or "non-recovery" and are equipped with lateral Koksofengaskanälen are described by way of example in the article by Walter Buss et al., "Thyssen Still Otto / PACTI Non-recovery coke making system ", Iron and Steel Engineer, Association of Iron and Steel Engineers, Pittsburgh, USA, Vol. 76, No.1, January 1999, pages 33-38, or in the patents US4344820A, US4287024A, US5114542A, GB1555400A and CA2052177C , Coke oven chambers which trap the coke oven gas for further processing are exemplified in EP649455B1. In general, sufficient space must be available to relieve the pressure when coking gas is generated, which is determined by the filling level of the coal bed, which in turn is determined by the leveling step.

Also, the level of the planned coal bed may not be set too low. The coal bed must have a certain minimum height, since the process for coke production is otherwise uneconomical. In operation, the coke ovens are designed to a certain minimum level to ensure acceptable coke yield for the coke oven battery. Also, the height of the coal bed may not be set too low for technical reasons, otherwise the coal cake occurs during the coal shrinkage too close to the heating cables and thereby heat radiation freely enters the Gassammeiraum, so that the coke oven chamber inadmissible at too low a level strongly heated. The resulting too high temperature in the space above the coal leads to long-term damage to the furnace and flow disturbances in the furnace operation.

For this reason, it is desirable to keep the filling level of the coal bed in the coke oven chamber after each planing as possible according to the design of the coke oven chamber. The adjustment of the filling level is determined by the position and dimensioning of the leveler, which is retracted for leveling in the coke oven chamber. The leveling door, in turn, must be slightly larger than the cross section of the leveler to compensate for positioning errors and deformations of the leveler and thus ensure proper retraction of the leveler within a short time at the prevailing high temperatures at the coke oven chamber front. The leveling bar itself must be so rigid that a deflection caused by the weight of the dozer when entering the oven within tolerable limits and the uniform planing of the coal bed remains guaranteed. For this reason, Ptanierstangen be applied, which are tapered to reduce the dead weight in the course and equipped to improve stability with cross struts. The use of a massive leveling bar is not possible because it would bend too much due to its own weight in the further course. Also, the displaced gas volume of a massive planer is relatively large, so that undesirable emissions. An example of a dozer, which tapers in the course, is the DE902842B. An example of a leveling bar, which is constructed from two opposite side cheeks, and is equipped with cross struts as so-called Kohlemitnehmer for improving the stability, is the EP10951 19B1.

The use of this leveling has proved to be very advantageous because the level of the bed of coal can be accurately adjusted by adjusting the height of the crossbars as Kohlemitnehmer this leveling bars. However, it is a problem that the dozer when pulling out of the dozer through the cross struts takes coal, which then remains lying in the planing and coked there. For this reason, we are looking for ways to adapt the profile of the leveling box to the leveling bar.

There is therefore the object to provide a leveling box available, which includes a contour adjustment of the dozer box cross section, which adapts to the leveler and thereby prevents a larger amount of coal remains lying in the dozer and clogs the gas channels located in the coke oven doors ,

The invention solves this problem by a leveling box containing a fixed or removable refractory molded body as Abstreifkontur, which is precisely adapted to the contour of the leveling bar, and which adapts by its contour the profile of the dozing box opening to the leveling bar with the crossbars , As a result, the lateral cheeks of the dozer can be pushed through the leveling door unhindered, while the cross braces are pulled over the shaped body, which retains the coal when retracted. As a result, the unwanted extraction of coal stock from the coke oven chamber during leveling is prevented and thus remains after leveling the coal bed the remaining in the dozer box amount of coal low.

The Abstreifkontur is shaped as a molded body and is permanently installed or removable. This is connected for this purpose in the operating state with the dozer. is the Abstreifkontur firmly incorporated, this corresponds to a redesign of the leveling box, so that it has the expression of a Abstreifkontur by the Abstreifkontur is firmly applied to the bottom of the dozer. If the wiper contour can be removed, it contains devices on the underside or on the sides to fix it to the bottom of the grading box. The Abstreifkontur must have as a molded body a profile that leaves free space on both sides of the cheeks of the leveler, and in the middle protects the interior of the coke oven chamber against the falling out coal.

Claimed is in particular a leveling box with a built-in or removable refractory molded body contained therein as Abstreifkontur, wherein

The leveler box is associated with a coke oven loaded through fill openings in the coke oven chamber ceiling and containing a front coke oven chamber opening through a coke oven chamber door held by a vertically encompassing door retainer and vertical

Coke oven chamber wall is included, is close, and

The leveling box is contained in the coke oven chamber or the overlying coke oven chamber wall through which the coal bed contained in the coke oven chamber is loaded after loading with a leveler;

and which is characterized in that

• the skimmer has inside a fixed or removable refractory molded body as an insert, which represents a Abstreifkontur for the scraper, which forms a barrier for the pulled coal when retracting the scraper, and

• The molded body is precisely adapted to the contour of a leveling bar, so that it adapts by its contour, the profile of the Skiving box opening to the leveling bar with the cross struts.

If the molded body is fixedly arranged on the leveling box, the assembly of the shaped body on the leveling box can take place by welding the shaped body to the leveling box or casting the entire leveling box. These production methods are only examples. The molded body or the profile is in any case pronounced as a refractory construction. If the shaped body can be removed, it has an example two side opposite baseboards in which the fixtures for the fasteners sit, or attached to the bottom Anflanschstücke for attachment to the bottom of the grading box. The shape of the shaped body as Abstreifkontur can ultimately be arbitrary to fulfill the purpose of the invention. In one embodiment of the invention, the shaped body is shaped as a cuboid with rounded corners. This makes it possible to achieve a substantial adaptation to the leveling box, which is rectangular in most embodiments. The rounded cuboid may be slightly different from its ideal shape. This can for example have the same length pages, so that this is a cube. The design of the molded body usually depends on the shape of the dozer. In a further embodiment of the invention, the shaped body has at least one channel in the interior, which leads through the shaped body. This can lead in any direction through the molding and is used to relieve the gas of the coke oven chamber through the gas channels of the doors immediately after loading. During this period of the coking cycle, the evolution of coking gas has the greatest intensity.

The inner channel can be arranged arbitrarily. This can for example run vertically or horizontally. If this runs in a straight line, then the openings of the channels lie on the opposite surface sides. The internal channel may be simple or in a plurality. In another embodiment of the invention, at least one internal channel is provided with a branch such that adjacent areas of the stripper contour have openings of the channel or channels, and the openings of the channel are the front of the stripper contour with the underlying inside of the stripper contour resting on the gas relief channel the coke oven chamber door, connect.

In a further embodiment of the invention, the shaped body is removable. This can be equipped for this purpose with any kind of device parts, which are used for attachment of the molding on the lower surface side of the dozer. In one embodiment of the invention, the molded body on the lower surface side has at least one recess or at least one projection or both, with which the molded body is to be mounted on the lower surface side of the skiving box, where the counterpart to the recess or to the projection. Is the molded body removable, it has, for example on at least two opposite sides at the bottom of a baseboard, which is equipped with vertical openings or threads, and which is to be fastened with fasteners located therein at the bottom of the dozer. For this purpose, the molded body in the baseboard has at least one receiving device which is fastened with fastening devices on the bottom of the leveling door. For fastening, metallic detachable connections or clamp constructions can be used. These are, for example, tongue and groove systems, screws in threads, bolts in openings, or brackets in brackets. All of these systems are only examples of fastening systems. In order to avoid premature wear of the molding, the contact surfaces of the molding can also be designed as removable wear surfaces, and replaced if necessary.

In one embodiment of the invention, the leveling box is located in the coke oven chamber door. However, this can also be arranged in the frontal coke oven chamber wall above the coke oven chamber door.

In one embodiment of the invention, the molded body made of cast iron or a high temperature resistant steel. In a further embodiment of the invention, the shaped body consists of a refractory material. This may contain, by way of example, metal fibers. In a further embodiment of the invention, the planning box has a height of approximately 500-700 mm, so that it is capable of receiving leveling rods with a flank height of approximately 450 mm.

[0022] The invention also achieves this object by means of a shaped body which, by way of example, is designed as a cuboid or cube with bevelled edges, the shaped body each having a skirting board on two opposite sides, which has at least one opening or one thread each Fastening is provided at a bottom, and the molded body is provided with at least one inner channel with a branch, so that adjacent surfaces of the shaped body openings of the channels, and the openings of the channel, the front of the molded body with the underlying inner side of the Abstreifkontur, which the gas discharge channel of the coke oven chamber rests, connect. Naturally, the molded article may differ slightly from the ideal one when used. In a typical embodiment of the invention, the dimensions of this shaped article are 400 ^* 400 * 600 mm. The attachment can also be carried out by receiving recesses or receiving projections arranged on the underside of the molding. In one embodiment of the invention, the shaped body has receiving recesses or receiving projections which fit into counterparts provided for this purpose on the floor of the leveling box.

In one embodiment of the invention, the molded body consists of several parts, which are assembled before the onset of the molding in the leveling box. The molded body then serves as a removable, composable Abstreifkontur. In one embodiment of the invention, this is equipped with a plate-shaped extension, which extends a surface side of the cuboid beyond its contour to at least one direction. This allows it to be easily removed and replaced. The fastening devices can be used independently. The production of the molding can be done by way of example by casting, stamping or slurrying. In one embodiment of the invention, the shaped body has an attachment which serves to increase the contour, but this contour increases only on one side, so that the weight of the molding is reduced. The increase of the contour is then aligned with the use of the shaped body in the coke oven chamber for Koksofenkammer out. As a result, the molded body has the lateral contour of an armchair. Of course, this can also be carried out for a non-removable stripping contour. If the shaped body has an attachment which has a height of 100 mm, the overall profile measures 400 * 400 ^* 300 mm. The depth of the attachment is 50 mm by way of example.

Also claimed is a coke oven, which has a leveling box according to the invention or a shaped body according to the invention. This can be arbitrary. Also claimed is a leveler, which serves for grading a coal bed. This is used in an advantageous embodiment of the invention for grading with a stripping contour according to the invention, wherein a leveling box according to the invention is used.

Also claimed is a leveler, for coking ovens for leveling of forming under the filling holes of the oven chamber during the filling process coal cone, which consists of two of the width of the dozer or the planing arranged parallel to each other and interconnected vertically arranged cheeks, which with successively arranged transverse webs are provided, and whose height is less than the height of the cheeks, wherein the transverse webs are secured to the cheeks, that they flush with their entire upper edges and the upper edge of the cheeks, and extend the lower edges of the transverse webs parallel to the upper edge of the transverse webs , and the front is closed with a crossbar.

A parallel and vertical arrangement of the cheeks is desirable, although the parallel arrangement of the cheeks may differ slightly from the ideal arrangement by the production or the longer operation. A deliberate non-parallel arrangement of the cheeks is indeed feasible, but does not usually lead to an improvement in the retention function.

Planierstangen for grading a coal cake are known in principle. An example of a dozer, which tapers in the course, is the DE902842B. The present leveler invention has transverse webs with parallel lower and upper edges. An example of a leveling bar, which is constructed from two opposite lateral cheeks and is equipped with cross braces as so-called coal drivers for improving the stability, is the EP10951 19B1. The present leveler invention has overhead crossbars, which adapts the leveling bar to the profile of the Abstreifkontur, and also has a transverse web, which closes the leveling bar still front. As a result, the coal is retained by the Abstreifkontur. The restraint of the coal is usually complete, it may only slip through a rest of the coal bed in the form of coal pieces. The leveler can also change in the course of the height of the cheeks and the transverse webs arranged therebetween, so that it tapers to the front, as described by way of example in DE3137488C1. Another part of the invention relates to a method for leveling by the grading box according to the invention, which is used for leveling a coal bed with a leveling bar.

In particular, a method for leveling a coal bed in a filled coke oven chamber is claimed, wherein

· The coal is filled through openings in the ceiling of the coke oven chamber, so that forms a non-uniform surface structure of the coal bed with Schüttkegeln and bulk funnels, and • after filling, open a leveling door intended for a leveling bar and insert a leveling rod through the leveling door into the coke oven chamber, smoothing out the bed of coal due to the movement of the leveling bar, and

The leveling bar consists of two lateral cheeks which are connected to one or more transverse webs,

and which is characterized in that

The leveling bar enters the leveling box of a coke oven chamber through the leveling door, wherein the leveling opening contains a firmly built-in or removable refractory shaped body as a stripping contour, so that the coal is scraped off by the shaped body on the coking chamber side when the leveling bar is moved back.

For use with the leveling box according to the invention thereby comes a Kokosfenkammer, which may be of any kind. This can be of the type "non-recovery" or "heat-recovery". This usually contains a coke oven chamber with a coke oven chamber wall. The coke oven chamber is held by a vertically completely comprehensive door holding device, which represents a coke oven chamber door frame, which may be made of cast iron, for example. For carrying out the method according to the invention, a leveling bar must be used which at least partially fills the profile formed by the wiping contour. In one embodiment of the invention, a leveler is used from two lateral cheeks, which have one or more cross-connecting webs, which have a lower height than the lateral cheeks. This belongs to the listed prior art. Of course, a leveler according to the invention can also be used. The leveler is in the cross-section in an advantageous embodiment, slightly lower than the height of the leveling box, so that the displaced during retraction gases can escape over the dozer.

In a further embodiment of the invention, the leveling box is provided with a leveling door, which closes it to the outside environment, and which is closed after the leveling operation. In order to avoid an impermissible pressure build-up in the coke oven chamber after loading, the coke oven chamber contains gas channels in an advantageous embodiment, which the coke gas from the Feed the coal cake into the gas space above the coal cake and into the leveler. Embodiments thereof are known in the art. Examples of this are WO0130939A2 and DE10161659C1. This allows the coking gases from the interior of the coal cake to escape into the gas space above the coal cake, so that no undesirable pressure build-up takes place. This gas channel would be blocked when using a Abstreifkontur without further action, so that the coking gases can no longer escape. Therefore, in an advantageous embodiment of the invention, the wiping contour contains internal channels which allow a further discharge of the coking gases into the interior of the coke oven chamber and into the leveling box. The gas channels can be kept inside the coke oven chamber with an inert gas, which is admitted from the outside under pressure. A method for this purpose exemplifies WO9210556A1. For this purpose, the channels are kept in the mold body during the planing by an introduction of compressed air, nitrogen or other purge gas via a line to the molding or by the introduction of purge gas in the gas channels of the coke oven door. The gas ducts inside the door can also be cleaned if soiling occurs. This is done in an advantageous embodiment by passing an inert gas under pressure. Also, the passage of the inert gas to clean the gas channels in the molding or the coke oven chamber door can be done by the Koksofenbedienmaschine.

In a further embodiment of the invention, the molding is used before the leveling process, and taken out after the grading process. The removal of the molded body before and after the grading process is carried out for this purpose in an embodiment of the method on the Koksofenbedienmaschine. For this purpose, in an advantageous embodiment, a wiping contour with at least one inner channel is used, so that the interior of the coke oven chamber remains connected to the leveling box and the gas space of the coke oven chamber. As a result, the gas channel can be kept free in the coke oven chamber door. The molding can be used before the grading process, and taken out after the grading process. The molded body can be taken out of the planing door in the absence of adaptation of the leveler bar profile, for example, if no suitable grading bar is available, or for cleaning. For this purpose, the removal of the shaped body can advantageously be carried out via an extension or projection on a surface side which extends this surface side in at least one direction. siege. For this molded body, a removal and use by the coke oven operating machine is preferred, but this can generally also be manually retrieved and used by a suitable tool. The molded article or bodies can be cleaned after removal by water or an inert medium. This is preferably done by high pressure jet exposure. A mechanical cleaning is possible. This can be done manually, but is also automated when setting up a suitable cleaning device, for example on the coke oven operating machine.

[0038] The present invention has the advantage of providing a leveling door and a method which, by adapting the leveling door profile to a shaped body, enables the coal cake to be leveled in a coke oven chamber which has just been filled with a leveling bar which can be used to save its own weight and weight to adjust the height profile for the purpose of regulating the level of coal by means of two side cheeks with transverse struts, without the loss of coal when pulling out the dozer, or with the loss of coal remaining low. The molded body can be removed for cleaning or in the event of missing profile adjustment of the leveling door.

The invention will be explained in more detail with reference to fourteen drawings (FIG.1 to FIG.14), these drawings represent only embodiments of the construction of the device according to the invention, which are not limited to these.

FIG. 1 shows a coke oven chamber door with a leveling door from the prior art in a side view from above. FIG. 2 shows the same coke oven chamber door with a shaped body according to the invention in the leveling door as a stripping contour. FIG. 3 shows the same coke oven chamber door with a shaped body according to the invention in the leveling door as a stripping contour and a closed leveling door. FIG. shows a molding according to the invention with attachment in a side view. FIG.5 shows a molded body according to the invention with attachment in a vertical view from above. FIG. FIG. 6 shows the same shaped article without an attachment in a frontal view, as used for example on the machine side of a coke oven chamber. FIG. 7 shows a shaped body with an extended surface side. FIG. 8 shows a shaped body which has projections on the underside which engage in receiving devices on the bottom of the leveling box. FIG. 9 shows a coke oven chamber door with a leveling door from the prior art in a frontal view. FIG.10 shows the same Koksofenkammertür with open planer door, whereby the molding contained therein is visible. FIG. 1 shows a coke oven chamber door with a leveling door the prior art in a vertical view from above. FIG. 12 shows the same coke oven chamber door with a shaped body according to the invention in the leveling door. FIG. 13 shows a leveler according to the invention in a lateral view. FIG. 14 shows a leveler according to the invention in a frontal view in cross section. Shows a coke oven chamber (1) according to the invention, which consists of a supporting frame (2), a door body (3), which consists of divided segments (3a-e), and a plug (4), which consists of a heat - resistant ceramic or mineral material, a locking device (5) for locking the door (1) on the coke oven chamber (6) with indicated coal bed (6a), a leveling box (7), and a leveling door (7a), which in Upper area of the coke oven door (1) is located and with a pivoting mechanism (7b) to open and close. The coke oven chamber contains a gas channel (1 a), which in the leveling box (7) opens, and which serves to relieve the gas of the coal cake (6a) after loading. The gas channel (1 a) may contain branches (1 b) to openings on the inside of the coke oven chamber (1).

Shows the same coke oven chamber (1), which is equipped with a leveling box according to the invention (7), which is open and contains the molding (8) according to the invention as Abstreifkontur. This is provided with an internal channel (8a) which is provided with a branch (8b), so that the adjacent lower surface and the front surface have openings of the channel (8a), and the openings of the channel (8a) with the front connect the bottom inside of the wiping contour (8). Thereby, the coking gases (9) from the channel (1a) in the coke oven chamber (1) through the channel (8a) in the Abstreifkontur (8) in the leveling box (7) and the gas space above the coal cake (6a) reach. This is also possible with resting leveling bar (10). Before the leveling box (7) a leveling bar (10) according to the invention is arranged. The leveling bar (10) consists of two lateral cheeks (10a), of which one can be seen in a frontal view, and intermediate cross braces (10b). This is ascended in front of the leveling box (7) with the open leveling door (7a) and can be retracted in the direction of the arrow into the dozing door opening (7c).

Shows the same coke oven chamber (1) with a leveling box (7), the leveling door (7a) is closed, and containing the Abstreifkontur invention (8). The coking gases (9) can, regardless of the direction of insertion through the channel (1 a) in the coke oven chamber door (1) in the Abstreifkontur (8) reach, since this with an internal channel (8a) is equipped, which has a branch (8b), so that the coking gases (9) even with the leveling door closed (7a) in the leveling box (7) and further in the gas space above the coke cake (6a) can pass , As a result, there is a pressure relief of the coke oven chamber (6). The coke oven door (1) can be closed by a door closing operation (1d) so that the coke oven chamber (6) is completed and the coking cycle can begin.

4 shows a molded body (8) according to the invention in a lateral view, with a skirting board (8c), which on two opposite surface sides represents a partial side profile elevation which is directed towards the bottom of the leveling box. The molded body (8) includes an inner channel (8a) which is provided with a branch (8b, a), so that two adjacent surfaces (8d, 8e) are provided with an opening. The baseboard (8c) contains two continuous receiving devices (8f) adapted to receive bolts (8g) to be attached to the bottom of the grading box. Another skirting board (8c, not visible) is located on the opposite side of the molding (8).

FIG.5 shows the same shaped body (8) in a vertical view from above. The two baseboards (8c) with the openings as receiving devices (8f) and fastening means (8g), and the inner channel (8a) can be seen. This widened slightly below the baseboard (8c), since the molded body (8) is somewhat more stable there, which is shown graphically by the suggestion of the contours.

FIG. 6 shows the same shaped body (8) in a frontal view, the two lateral baseboards (8c) with the receiving devices (8f) and fastening means (8g) also being visible here, which are used for fastening the shaped body (8). serve in the bottom of the dozer (7) and are housed in a receiving device (8f). The broadening of the contours of the exhaust passage (8a) below the baseboard (8c) is completely visible here. The same shaped body (8) can be seen in the open leveling box (7) in FIG.

7 shows the same shaped body (8) in a lateral view, which is equipped with a plate-shaped extension or projection (8h), which has a surface side (8d) of the cuboid (8) beyond its contour to at least one Extended direction. This gives it an enlarged underside, through which the projection (8h) can be pulled out of the leveling box (7). 8 shows a shaped body (8), which for mounting on the underside arranged on the molding body receiving projections (8i) has. These fit into receiving recesses (8j), which represent counterparts intended for this purpose on the bottom of the do- ing box. The molded body (8) contains a skirting board (8c) for better stabilization.

Shows a coke oven chamber (1) with a leveling door (7a) from the prior art in frontal view. This is equipped with two locking units (5) for locking the coke oven chamber (1) to the coke oven chamber (6) during coking. The coke oven chamber door (1) is enclosed in the coke oven chamber (6). The coke oven chamber (1) contains in the upper area the planning door opening (7c) with a leveling door (7a), which can be seen in the closed state. This is provided with a pivot mechanism (7b) for opening and a lock (7d).

FIG.10 shows the same coke oven chamber (1) with leveling box (7) and open leveling door (7a). The leveling box (7) contains the shaped body (8) according to the invention, which can be seen with the two baseboards (8c) and the inner channel (8a).

1 shows a coke oven chamber (6) with coke oven chamber (1) in the view from above, which is equipped with an internal plug (4). The coke oven door (1) is provided with a locking mechanism (5) which locks the coke oven chamber door (1) against the coke oven chamber (6). Also visible are two heating chambers (11) with Heizkammerzügen (11 a), which is arranged laterally of the coke oven chamber (6), and which serve to heat the coke oven chambers (6). You can also see the anchor stand (6b), which serve to support the wall protection plates (6c) with the door holding device (6d). The coke oven chamber opening has a coke oven chamber receiving frame (6d) as a door holding device for installing the coke oven chamber door (1). The coke oven chamber (1) seals the coke oven chamber (6) with the coal bed (6a) located therein with a seal or a sealing cutter frame (1 c) against the external environment.

FIG. 12 shows the same coke oven chamber (6), which is equipped with the same coke oven chamber door (1), which contains a shaped body (8) according to the invention in the leveling door (7). You can see the molded body (8), the two baseboards (8c) with the fastening means (8g) and the inner channel (8a). The leveling bar (10) with the two lateral cheeks (10a) and the transverse struts (10b) is connected to the coke furnace chamber (6) moved up and can now be moved to leveling in the coke oven chamber (6). Upon retraction, the carbon (6a) remains hanging on the shaped body (8) and is therefore held against the leveling bar (10) on the Abstreifkontur (8).

FIG. 13 shows a leveling bar (10) according to the invention, which is equipped with lateral wings (10a), one of which can be seen here, and with internal transverse struts (10b). The leveling bar (10) is closed off from the last transverse struts (10c) towards the ends. FIG. 14 shows the same leveling bar (10) in a frontal view, whereby here the two lateral cheeks (10a) and the transverse struts (10b) can be seen with a height h. The transverse struts (10b) are flush with the upper edge (10d) of the cheeks (10a).

[0054] List of Reference Numerals

1 coke oven chamber door

1 a gas duct in the coke oven chamber door

1 b Branches of the gas channel in the inside of the coke oven chamber door

1 c seal or seal cutting frame

1 d door closing operation

2 Carrying frame of coke oven chamber door

3 door body

3a-e segments of the coke oven chamber door

4 plugs

5 Locking of the coke oven chamber door

6 coke oven chamber

6a coal bed or coal cake

6b anchor stand

6c wall protection plates

6d coke oven chamber reception frame

7 leveling box

7a leveling door

7b Swing mechanism of the leveling door

7c doorknob opening

7d locking mechanism of the dozer

8 shaped bodies

8a gas channel in the molding

8b branch in the canal

8c Skirting 8d Front surface side of the molding

8e lower surface side of the molding

8f pick-up device in the skirting board

8g bolt

8h projection on the bottom of the fitting

8i fastening projection on the bottom of the molding

8j Recording device at the bottom of the grading box

9 coking gas

10 leveler

10a cheeks of the dozer

10b cross struts of the dozer

10c Last cross strut of the dozer

10d upper edge of the cheeks

1 1 heating chamber

1 1 a heating cables

h Height of the crossbars of the dozer

Claims

claims

1 . Leveling box (7) with a built-in or removable refractory molded body (8) contained therein as Abstreifkontur, wherein

• the leveling box (7) belongs to a coke oven (6) loaded by filling openings in the coke oven chamber ceiling and containing a front coke oven chamber opening through a coke oven chamber door (1) held by a vertically comprising door holding device (2) is closed, and which is surrounded by a vertical coke oven chamber wall, is close, and

The leveling box (7) is contained in the coke oven chamber door (1) or the coke oven chamber wall above which the coal bed (6a) contained in the coke oven chamber (6) is leveled after loading with a leveling bar (10);

characterized in that

· The leveling box (7) has inside a fixed or removable refractory shaped body (8) as an insert, which represents a scraper contour for the leveling bar (10), which upon retraction of the leveling bar (10) creates a barrier for the entrained coal (6a) forms, and

· Which is exactly adaptable to the contour of a leveling bar (10), so that it adapts by its contour the profile of the leveling box opening (7c) to the leveling bar (10) with the transverse struts (10b).

2. leveling box (7) with a built-in or removable refractory molded body (8) contained therein as Abstreifkontur according to claim 1, characterized in that the shaped body (8) is designed as a cuboid with rounded corners.

3. grading box (7) with a built-in or removable refractory molded body (8) contained therein as Abstreifkontur according to one of claims 1 or 2, characterized in that the shaped body (8) in the interior at least one channel (8a) has which leads through the shaped body (8). Leveling box (7) with a permanently installed or removable refractory molded body (8) as a scraping contour according to any one of claims 1 to 3, characterized in that at least one internal channel (8a) is provided with a branch (8b) so that adjacent ones Surfaces (8d, 8e) of the wiping contour (8) have openings of the channels (8a), and the openings of the channel (8a) have the front side (8d) of the wiping contour (8) with the underlying inner side (8e) of the wiping contour (8), which rests on the gas discharge channel (1 a) of the coke oven chamber (1), connect.

Leveling box (7) with a built-in or removable refractory molded body (8) as Abstreifkontur according to one of claims 1 to 4, characterized in that the shaped body (8) is removable, and on the lower surface side (8e) at least one recess (8i) or at least one projection (8i) or both, with which the shaped body (8) is to be secured in counterparts (8j) on the lower surface side of the leveling box (7).

Leveling box (7) with a permanently installed or removable refractory molded body (8) as a scraping contour according to any one of claims 1 to 4, characterized in that the shaped body (8) is removable, and on at least two opposite sides at the lower end (8e ) has a skirting board (8c) provided with vertical openings (8f) or threads (8f) and which is to be fastened to the bottom of the leveling box (7) with fixing means (8g) therein.

Leveling box (7) with a permanently installed or removable refractory shaped body (8) as a scraping contour according to claim 6, characterized in that the shaped body (8) in the skirting board (8c) has at least one thread (8f) which is provided with screws (8). 8g) is attached to the bottom of the dozer (7).

Leveling box (7) with a permanently installed or removable refractory molded body (8) as a scraping contour according to any one of claims 1 to 7, characterized in that the leveling box (7) is located in the coke oven chamber door (1).

9. leveling box (7) with a permanently installed or removable refractory molded body (8) contained therein as Abstreifkontur according to one of claims 1 to 7, characterized in that the leveling box (7) in the frontal coke oven chamber wall above the coke oven chamber (1) , 10. leveling box (7) with a built-in or removable refractory molded body (8) contained therein as Abstreifkontur according to one of claims 1 to 9, characterized in that the shaped body (8) made of cast iron or high temperature resistant steel.

1 1. leveling box (7) with a permanently installed therein or removable refractory molded body (8) as Abstreifkontur according to one of claims 1 to 9, characterized in that the shaped body (8) consists of a refractory material.

12. leveling box (7) with a built-in or removable refractory molded body (8) contained therein as Abstreifkontur according to claim 1 1, characterized in that the refractory mass contains metal fibers.

13. grading box (7) with a permanently installed therein or removable refractory molded body (8) according to one of claims 1 to 12, characterized in that it has a profile with a height of 500 - 700 mm, so that this in position is to pick up leveling bars (10) with a flank height of approximately 450 mm.

14. shaped body (8), formed by a cuboid or cube of refractory material with rounded corners, characterized in that this has on two opposite sides each a skirting board (8c), which with at least one opening (8f) or a thread ( 8f) is adapted for attachment to a floor, and the shaped body (8) with at least one inner channel

(8a) is provided with a branch (8b), so that adjacent surfaces (8d, 8e) of the molded body have openings of the channels (8a), and the openings of the channel (8a) with the front side (8d) of the shaped body (8) the underlying inner side (8e) of the Abstreifkontur (8), which rests on the gas discharge channel (1 a) of the coke oven chamber (1) connect.

15. Shaped body (8) according to claim 14, characterized in that it is provided with a plate-shaped extension (8h) which extends a surface side (8e) of the cuboid or cube beyond its contour to at least one direction.

16. Shaped body (8) according to any one of claims 14 or 15, characterized in that the shaped body (8) consists of several parts, which are assembled before insertion of the shaped body (8) in the leveling box (7).

17. Coke oven (6), containing a leveling box (7) or a shaped body (8) according to one of claims 1 to 16.

18. grading bar (10), for coking ovens (6) for leveling of the filling holes of the oven chamber (6) forming during the filling coal cone, consisting of two of the width of the dozer (7) or the planing (7c) dependent parallel to each other arranged and interconnected vertically arranged cheeks (10a) which are provided with successively arranged transverse webs (10b) whose height (h) is less than the height of the cheeks (10c), characterized in that the transverse webs (10b) so on the Cheeks (10 a) are fixed so that they are flush with their entire upper edges (10 d) and the upper edge of the cheeks (10 a), and the lower edges of the transverse webs (10 b) parallel to the upper edge (10 d) of the transverse webs (10 b).

19. A method for leveling a coal bed (6a) in a filled coke oven chamber (6), wherein

• The coal (6a) is filled through openings in the ceiling of the coke oven chamber (6), so that forms a non-uniform surface structure of the coal bed (6a) with Schüttkegeln and pouring funnels, and

• after filling, a leveling door (7a) provided for a leveling bar (10) is opened and a leveling bar (10) enters the coke oven chamber (6) through the leveling door (7a) and the coal bed (6a) is moved by the movement of the leveling bar (10) is smoothed, and

The leveling bar (10) consists of two lateral cheeks (10a), which are cross-linked with one or more webs (10b),

characterized in that The leveling bar (10) enters the leveling box (7) of a coke oven chamber (6) through the leveling door (7a), the leveling opening (7c) containing a permanently installed or removable refractory shaped body (8) as a scraping contour (8), so that the coal (6a) is stripped off by the shaped body (8) on the coke oven chamber side when the leveling rod (10) is moved back.

20. A method for leveling a coal bed (6a) in a filled coke oven chamber (6) according to claim 19, characterized in that the leveling bar (10) consists of two lateral cheeks (10a) which have one or more transverse connecting webs (10b). having a lower height (h) than the lateral cheeks (10a).

21. A method for leveling a coal bed (6a) in a filled coke oven chamber (6) according to any one of claims 19 or 20, characterized in that the leveling box (7) with a cover plate (7a) is provided, which closes these to the outside environment ,

22. A method for leveling a coal bed (6a) in a filled coke oven chamber (6) according to any one of claims 19 to 21, characterized in that the coke oven chamber door (1) has a gas channel arranged inside (1 a), which the interior of the coke oven chamber (6) connects to the leveling box (7) and the gas space of the coke oven chamber (6).

23. A method for leveling a coal bed (6a) in a filled coke oven chamber (6) according to claim 22, characterized in that the channels (1 a, 1 b) in the coke oven chamber door (1) during the leveling by an introduction of compressed air, nitrogen or another purge gas via a line (8a) on the shaped body (8) or by the introduction of purge gas into the gas channels

(1 a, 1 b) of the coke oven door (1) are kept free.

24. A method for leveling a coal bed (6a) in a filled coke oven chamber (6) according to any one of claims 19 to 23, characterized in that a Abstreifkontur (8) is used with at least one inner channel (8a), so that the interior of the Coke oven chamber (6) with the leveling box (7) and the gas space of the coke oven chamber (6) remains connected.

25. A method for leveling a coal bed (6a) in a filled coke oven chamber (6) according to any one of claims 19 to 24, characterized in that the shaped body (8) is inserted before the grading process, and taken out after the grading process, or this missing Adjustment of the leveling bar profile or for cleaning out of the leveling door (7) is temporarily removed.

26. A method for leveling a coal bed (6a) in a filled coke oven chamber (6) according to claim 25, characterized in that the removal of the shaped body (8) is carried out before and after the leveling process on the coke oven operating machine.

27. A method for leveling a coal bed (6a) in a filled coke oven chamber (6) according to any one of claims 25 or 26, characterized in that the removal of the shaped body (8) via an extension (8h) on a surface side (8e) happens which extends this surface side (8e) towards at least one direction.

28. A method for leveling a coal bed (6a) in a filled coke oven chamber (6) according to any one of claims 25 to 27, characterized in that the or the molded body (8) are cleaned after removal by water or an inert medium under high pressure. 29. A method for leveling a coal bed (6a) in a filled coke oven chamber (6) according to any one of claims 25 to 27, characterized in that the one or more moldings (8) are mechanically cleaned after removal.