JP2014051608A - Device for removing clogged coke - Google Patents

Abstract

PROBLEM TO BE SOLVED: To remove coke blocks existing at an oven port of a carbonization chamber safely in high efficiency.SOLUTION: A device 12 for removing clogged coke is mounted on the upper part of a guide car 23, which is moved on a track 11 arranged along the width direction of a coke oven and is used for guiding the coke discharged from a carbonization chamber 2 to a receiving container 9a of a coke receiving truck, and includes an elevating/lowering/horizontally moving mechanism 30 and a crusher 31 installed at the bottom end of the elevating/lowering/horizontally moving mechanism. The crusher is lowered by the elevating/lowering/horizontally moving mechanism so that the crusher faces the oven port and is abutted on lumpy coke near the oven port. The crusher crushes the lumpy coke G by transmitting vibration thereto.

Description

  The present invention relates to an apparatus for removing coke clogged near a kiln when coke in a carbonization chamber is clogged at the kiln.

  FIG. 7 shows a conventional coke oven, in which a large number of carbonization chambers 2 and combustion chambers 3 are alternately formed in the upper part of the heat storage chamber 1, and each carbonization chamber 2 is stored in a coal tank 4. Coal is charged from a coal-cooked vehicle 6 traveling on a track 5 disposed on the top of the coke oven. Then, the coal charged into the carbonization chamber 2 from the coal-coating vehicle 6 is carbonized by the heat generated in the combustion chamber 3 to become coke, and then one side of the carbonization chamber 2 (extruder 7 side) by the extruder 7. It is pushed from one kiln to the other kiln.

  The coke pushed out from the other kiln of the carbonization chamber 2 is discharged to the receiving container 9a of the coke receiving carriage 9 via the guide wheel 8, and the coke discharged to the receiving container 9a (red hot coke). ) Is transported to a cooling facility (eg, CDQ: coke dry digestion facility). The guide wheel 8 travels on a track 11 disposed on the platform 10 and moves to a kiln opening of a predetermined carbonization chamber 2 where coke is pushed out.

In such operation of the coke oven, coke that has been dry-distilled in the carbonization chamber 2 on the guide wheel 8 side is clogged, and the extrusion work by the extruder 7 may be difficult.
In the case where such coke clogging occurs, conventionally, an operator breaks down the coke at the kiln of the carbonizing chamber 2 on the guide wheel 8 side using a long iron bar, and the coke lump is placed in front of the kiln. The coke clogging work of the carbonization chamber was manually performed to be discharged onto the platform 10.

However, the coke clogging removal work of the carbonization chamber by such human power has a safety problem and the efficiency of the coke removal work because the operator performs the crushing work while receiving radiant heat from the hot red hot coke. There is a problem in terms.
Thus, for example, a device disclosed in Patent Document 1 is an example of mechanization of coke removal work. The device disclosed in Patent Document 1 is mounted on a guide wheel and is capable of moving forward and backward with respect to the kiln opening on the kiln exit side, and is supported by the head so as to move up and down. A furnace lid attaching / detaching mechanism having a hook that can be attached and detached by moving the head forward and backward and by moving the hook up and down, a latch plate that can be hooked to the hook, and a kiln mouth at a lower end of the latch plate A scoop that is pivotally supported with respect to the kiln opening and the rear end side of the kiln is opened, and the rear end side of the scoop is locked. And a stopper that tilts so as to incline, and scrapes coke by moving the head back and forth and moving the hook up and down.

Japanese Patent No. 4668283

However, the scoop for scraping the coke of the apparatus of Patent Document 1 is disposed at the lower part of the guide wheel, and the coke that has collapsed from the kiln is likely to hit directly, which is problematic in terms of safety.
Therefore, the present invention has been made paying attention to the unsolved problems of the above-described conventional example, and a coke clogging removal device that can safely and efficiently remove the coke lump present in the kiln of the carbonization chamber. The purpose is to provide.

  In order to achieve the above object, a coke clogging removal device according to claim 1 according to the present invention is a device for removing coke clogged near a kiln opening of a predetermined coking chamber of a coke oven, wherein the coke oven It is mounted on the upper part of the guide wheel that moves on the track provided along the furnace width direction and guides the coke discharged from the carbonization chamber to the receiving container of the coke receiving carriage. A crusher mounted at the lower end of a horizontal movement mechanism, and the lifting / horizontal movement mechanism lowers the crusher toward the kiln opening and abuts against the massive coke near the kiln, The crusher is a device that breaks the coke by transmitting vibrations to the massive coke.

Further, the invention according to claim 2 is the coke clogging removal device according to claim 1, wherein the guide car is disposed between the kiln opening for breaking the coke and the receiving container on the guide car body moving on the track. A bowl-shaped coke guide part is mounted as the passage, and the raising / lowering / horizontal movement mechanism lowers the crusher into the coke guide part.
Furthermore, the invention according to claim 3 is the coke clogging removing device according to claim 2, wherein the guide wheel body is equipped with a dust collecting hood that covers the coke guide part and the receiving container from above, and the dust collecting hood. An openable / closable opening is provided in the ceiling of the hood, and the elevating / horizontal moving mechanism passes through the openable / closable opening of the dust collecting hood and lowers the crusher to the coke guide. .

  According to the coke clogging removal apparatus according to the present invention, the coke discharged from the carbonization chamber is mounted on the upper portion of the guide wheel that guides the coke to the receiving container of the coke receiving carriage, and the elevation / horizontal movement mechanism, and the elevation / horizontal movement mechanism. A crusher attached to the lower end of the crusher, and a lifting / horizontal movement mechanism lowers the crusher toward the kiln and pushes the crusher against the massive coke near the kiln, Because the coke is broken by transmitting vibration to the massive coke, the coke that has collapsed from the kiln by the operation of the crusher has no risk of directly hitting the lifting / horizontal movement mechanism, and work safety The coke can be removed with high efficiency.

It is the figure which showed from the driving | running | working direction the guide vehicle carrying the coke clogging removal apparatus aimed at by this invention. It is the figure which showed the state same as FIG. 1 from the coke oven by the side of a guide vehicle. It is a figure which shows the state which located the crusher in the coke guide part by operation | movement of the raising / lowering / horizontal movement mechanism of a coke clogging removal apparatus. It is the figure which showed the state same as FIG. 3 from the coke oven by the side of a guide vehicle. It is a figure which shows the state which contacted the crusher to the lump of coke near a kiln by operation | movement of the raising / lowering and horizontal movement mechanism of a coke clogging removal apparatus. It is a figure which shows the specific structure of a crusher. It is a figure which shows the structure of a coke oven.

DESCRIPTION OF EMBODIMENTS Hereinafter, modes for carrying out the present invention (hereinafter referred to as embodiments) will be described in detail with reference to the drawings. In addition, the same code | symbol is attached | subjected to the same component as the structure shown in FIG. 7, and description is abbreviate | omitted.
FIG. 1 and FIG. 2 show a guide wheel 20 according to an embodiment of the present invention that is movably disposed on a track 11 on a platform 10.
The guide wheel 20 according to the present embodiment includes a guide wheel main body 21, a coke guide part 22, a dust collecting hood 23, and a coke clogging removal that is arranged on the upper part of the guide wheel main body 21 and can be moved up and down to the inside of the coke guide part 22. Device 24.

The guide vehicle main body 21 is a box provided with wheels 21 a that roll on the track 11.
The coke guide portion 22 is mounted on the guide wheel main body 21 and includes a pair of guide side plates 22a and 22b facing each other in parallel and a guide bottom plate 22c connected between the lower portions of the pair of guide side plates 22a and 22b. It is a bowl-shaped member configured, and extends as a passage between a kiln opening of a predetermined carbonization chamber 2 and a receiving container 9a of the coke receiving cart 9.
The dust collection hood 23 is a bowl-shaped member that is mounted on the guide wheel main body 21 and covers the coke guide portion 22 and the receiving container 9a from above, with the bottom opened.
As shown in FIG. 2, a dust collection duct 25 is connected to the dust collection hood 23, and a suction force is generated inside the dust collection hood 23 by operation of a suction device (not shown).

An opening 26 is formed in the ceiling portion of the dust collection hood 23, a slide door 27 that opens and closes the opening 26 is disposed, and a drive unit 28 that opens and closes the slide door 27 is provided.
As shown in FIG. 3, the coke clog remover 24 includes a support frame 29 provided above the guide wheel main body 21 and above the dust collection hood 23, and ascending / descending / horizontal movement with an upper end connected to the support frame 29. A mechanism 30 and a crusher 31 attached to the lower end of the lifting mechanism are provided.
The elevating / horizontal moving mechanism 30 is configured such that a plurality of arms 32a to 32c are connected via indirect driving units 33a to 33d, and the crushing machine 31 attached to the lower end is moved up and down by driving the indirect driving units 33a to 33d. It is a device that performs horizontal movement. The indirect drive units 33a to 33d are connected to hydraulic or electric actuators (not shown) that independently rotate them around the axis.

  As shown in FIGS. 6A and 6B, the crusher 31 includes a hydraulic breaker 36 that strikes the lock bolt 35 to which the bit 34 is attached, and a guide shell 37 that supports the hydraulic breaker 36. . The hydraulic breaker 36 and the lock bolt 35 are slidable back and forth by a slide mechanism (not shown) while being guided by the guide shell 37.

The coke that has been dry-distilled is not clogged in the kiln opening on the guide wheel 20 side of the predetermined carbonizing chamber 2, and the guide wheel 20 is pushed from the kiln mouth on the extruder 7 side of the carbonizing chamber 2 by the extruder 7 (see FIG. 7). When performing the operation | work which extrudes coke toward the side kiln opening, as shown in FIG.1 and FIG.2, the opening part 26 is obstruct | occluded with the slide door 27. FIG. Then, the inside of the dust collection hood 23 is sucked through the dust collection duct 25 by driving the suction device.
Then, when the coke in the carbonization chamber 2 is pushed out by the extruder 7, the coke discharged from the kiln opening on the guide wheel 20 side passes through the coke guide part 22 and is discharged into the receiving container 9 a of the coke receiving carriage 9. However, the dust and high-temperature gas of coke generated at that time are discharged to the outside by suction inside the dust collection hood 23.

On the other hand, when the coke that has been dry-distilled in the kiln opening on the guide wheel 20 side of the predetermined carbonization chamber 2 becomes clogged and the extrusion work by the extruder 7 becomes difficult, the removal of the coke clogging shown in FIGS. Do.
First, as shown in FIGS. 3 and 4, the opening 26 is fully opened by moving the slide door 27 by driving the drive unit 28. And the crusher 31 of the coke clogging removal device 24 is positioned inside the coke skid portion 22 by driving the indirect drive units 33a to 33d that constitute the lifting / horizontal movement mechanism 30 of the coke clogging removal device 24. Descent.

And as shown in FIG. 5, the indirect parts 33a-33d are further driven to set the arms 32a-32c to a predetermined inclination so that the tip (bit 34) of the crusher 31 hits the coke lump G, and Move horizontally. Moreover, the opening part 26 is slightly opened by moving the sliding door 27 to the reverse side by the drive of the drive part 28.
Next, vibration is continuously transmitted from the lock bolt 35 to the bit 34 by driving the hydraulic breaker 36 of the crusher 31.
In this way, the collapsed coke passes through the coke guide portion 22 and is received by the coke receiving cart 9 by transmitting the vibration by bringing the crusher 31 into contact with the coke lump G near the kiln of the carbonization chamber 2. It is discharged into the container 9a.

Next, the function and effect of the coke clog remover 24 mounted on the guide wheel 20 of the present embodiment will be described.
The coke that has been dry-distilled is not clogged in the kiln opening on the guide wheel 20 side of the predetermined carbonization chamber 2, and the kiln opening on the extruder 7 side of the coking chamber 2 is directed toward the kiln opening on the guide wheel 20 side by the extruder 7. When the coke is pushed out, the coke clogging removing device 24 passes from the kiln through the coke guide portion 22 and is distant from the coke discharged to the receiving container 9a of the coke receiving carriage 9, that is, the dust collecting hood 23. Since it arrange | positions upwards, the dust and the heat influence with respect to the coke clogging removal apparatus 24 can be reduced.

The coke clog remover 24 stores the crusher 31 in a state in which the arms 32 a to 32 c constituting the elevating / horizontal moving mechanism 30 are folded, so that it is stored compactly above the dust collection hood 23. be able to.
In the present embodiment, when removing coke from the kiln entrance of a predetermined carbonization chamber where coke clogging has occurred, the opening 26 of the dust collection hood 23 is opened, and the coke clogging removal device 24 is moved up and down. By operating the horizontal moving mechanism 30, the crusher 31 is lowered into the dust collection hood 23 so as to face the coke lump G of the kiln in the carbonization chamber 2, but the crusher 31 collapses from the kiln by the operation of the crusher 31. Since the coke does not have a risk of directly hitting the elevating / horizontal moving mechanism 30, there is no problem in terms of work safety.

  Further, the guide wheel 20 that has traveled on the track 11 of the platform 10 is disposed so that the coke guide portion 22 coincides with the center in the width direction of the kiln mouth of a predetermined carbonization chamber that performs scraping, and the coke clogging removal device 24 is arranged. Operates the lifting / lowering / horizontal movement mechanism 30 so that the crusher 31 is located inside the coke guide portion 22, so that the coke block removing device 24 does not need to align the coke lump G and removes the coke clogging. Can be performed efficiently.

  2 ... carbonization chamber, 3 ... combustion chamber, 9 ... coke receiving carriage, 9a ... receiving container, 10 ... platform, 11 ... track, 20 ... guide car, 21 ... guide car body, 21a ... wheel, 22 ... coke guide part, 22a, 22b ... guide side plate, 22c ... guide bottom plate, 23 ... dust collecting hood, 24 ... coke clogging removal device, 25 ... dust collecting duct, 26 ... opening, 27 ... sliding door, 28 ... drive unit, 29 ... support stand , 30 ... Elevating / horizontal moving mechanism, 31 ... Crusher, 32a-32c ... Arm, 33a-33d ... Indirect drive unit, 34 ... Bit, 35 ... Lock bolt, 36 ... Hydraulic breaker, 37 ... Guide shell, G ... Coke mass

Claims (3)

A device for removing coke clogged near the mouth of a predetermined carbonization chamber of a coke oven,
It is mounted on the upper part of the guide car that moves on the track provided along the furnace width direction of the coke oven and guides the coke discharged from the carbonization chamber to the receiving container of the coke receiving carriage,
An elevating / horizontal moving mechanism, and a crusher attached to the lower end of the elevating / horizontal moving mechanism,
The elevation / horizontal movement mechanism is configured to lower the crusher toward the kiln opening and hit the massive coke near the kiln opening,
The coke clogging removing device, wherein the crusher breaks coke by transmitting vibration to the massive coke. The guide car is equipped with a bowl-shaped coke guide part as a passage between the kiln mouth for breaking coke and the receiving container on the guide car body that moves on the track,
The coke clogging removing device according to claim 1, wherein the elevating / horizontal moving mechanism lowers the crusher into the coke guide portion. The guide vehicle body is equipped with a dust collection hood that covers the coke guide part and the receiving container from above, and an opening that can be opened and closed is provided in the ceiling part of the dust collection hood.
3. The coke clogging removing device according to claim 2, wherein the elevating / horizontal moving mechanism lowers the crusher to the coke guide portion through an openable and closable opening of the dust collecting hood.

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