JP2013227477A - Apparatus for unchoking coke of carbonization chamber of coke oven - Google Patents

Abstract

PROBLEM TO BE SOLVED: To remove a mass of coke existing at an oven mouth of a carbonization chamber safely in high efficiency and with low cost of installation.SOLUTION: An apparatus is equipped with an automotive vehicle 13, an arm level-turning part 14 mounted at the distal end in the front-back direction of the automotive vehicle, a multijoint arm 15 the lower end of which is connected with the arm level-turning part, and a spade arm 16 mounted at the distal end of the multijoint arm. The arm level-turning part makes the multijoint arm and the spade arm face to the predetermined oven mouth of the carbonization chamber by turning so as to direct in the vehicle width direction of the automotive vehicle. The multijoint arm performs a motion to make an excavation part of the spade arm ram to clumpy coke near the oven mouth and scrape out to destroy coke, while a plurality of arms 23 to 25 repeat a motion turning around each joint.

Description

  The present invention relates to an apparatus for removing coke clogging in a coke oven carbonization chamber that is alternately arranged with a combustion chamber in the furnace width direction of the coke oven.

  FIG. 9 shows a 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 the coal stored in the coal tank 4 is coke in each carbonization chamber 2. It is inserted from a charcoal vehicle 6 traveling on a track 5 disposed on the top of the furnace. 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 supplied from the guide wheel 8 to the fire extinguisher 9 and is extinguished by the fire extinguisher 9. 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.
Therefore, for example, there are apparatuses disclosed in Patent Document 1 and Patent Document 2 that are intended to mechanize the coke removal work.
The device of Patent Document 1 is provided with a track dedicated to a traveling carriage provided on a platform, a traveling carriage that travels on the track, a lifting frame that moves up and down along a guide post provided on the traveling carriage, and a lifting frame provided on the lifting frame. It is a coke discharging device provided with an air breaker capable of moving back and forth along the guide frame to the kiln of the carbonizing chamber 2 and a rod-shaped chisel for breaking the coke at the kiln installed in the air breaker.

In addition, the apparatus of Patent Document 2 is provided with a revolving body that is rotatable about a vertical axis on a traveling carriage, a boom and an arm provided on the revolving body, and a kiln coke broken and dropped, and a bucket tip This is a kiln device equipped with a scratch metal fitting.
The device of Patent Document 1 is laid on a kiln opening of the carbonization chamber 2 that travels on a traveling carriage and breaks down coke, and an elevating frame is disposed facing the kiln opening, the elevating frame is moved up and down, and an air breaker is installed. By moving forward, the air breaker is abutted against the coke lumps at the kiln entrance, the air hammer of the air breaker is activated, and the vibration motion in the front-rear direction is given to the coke lumps via the rod-shaped chisel. Perform the break-in operation.

  Moreover, in the apparatus of patent document 2, like patent document 1, it lays the side of the kiln mouth of the carbonization chamber 2 which runs a trolley and crushes coke, and arranges a turning body facing the kiln mouth, The operation of breaking the coke is performed by applying the provided bucket to the coke lump at the kiln and rotating the bucket and the scratch metal fitting provided at the tip of the bucket.

JP-A-7-26266 JP 7-316560 A

However, since the apparatus of Patent Document 1 performs the work by placing the traveling carriage next to the kiln opening of the carbonization chamber where the coke is crushed, there is a risk that the coke will collapse toward the operator who operates the apparatus. There is a problem in terms of work safety.
Further, the device of Patent Document 1 does not include a mechanism for finely adjusting the direction of the air breaker disposed toward the kiln of the carbonization chamber 2, and the strong vibration of the rod-shaped chisel causes the wall portion of the carbonization chamber 2 (brick). ) May be damaged.
Moreover, even if it is an apparatus of patent document 2, there exists a possibility that coke may collapse toward the traveling trolley carrying the turning body, and there exists a problem in terms of apparatus maintenance.

  Furthermore, since the devices of Patent Documents 1 and 2 are provided with a track dedicated to the traveling carriage on the platform, they overlap with the traveling direction of the guide vehicle and are subject to movement restrictions. Therefore, it is necessary to evacuate the coke clogging removal device every time the guide car needs to be moved, but it is difficult to evacuate because of the track machine, and the coke clogging removal work is interrupted, or on the guide car side During the coke clogging work, there is a problem that causes a serious hindrance to the coke production work, such as changing the coke extrusion cycle.

  Therefore, the present invention has been made paying attention to the unsolved problems of the above-mentioned conventional example, and can remove the coke lump present in the kiln of the carbonization chamber safely, with high efficiency and at low installation costs. Another object of the present invention is to provide a coke clogging removal device for a coke oven carbonization chamber capable of preventing damage to the wall portion of the carbonization chamber during coke removal work.

  In order to achieve the above object, a coke clogging removal apparatus for a coke oven carbonization chamber according to claim 1 according to the present invention is an apparatus for removing coke clogged near a kiln opening of a predetermined carbonization chamber of a coke oven. A self-propelled vehicle that travels on a platform provided along the furnace width direction of the coke oven, an arm horizontal swivel portion that is mounted at the front-rear direction tip of the self-propelled vehicle, and a plurality of arms via joints A multi-joint arm that is pivotably connected and has a lower arm connected to the arm horizontal swivel unit, and a heel arm attached to a tip of the multi-joint arm, the arm horizontal swivel unit By turning so as to face the vehicle width direction of the self-propelled vehicle, the articulated arm and the saddle arm are opposed to a kiln opening of a predetermined carbonization chamber, and the articulated arm includes the plurality of arms. Around the joint By repeating the operation of turning, the excavation of the hoe arm perform abutting and scraping operations coke bulk near the kiln mouth, it is characterized in that go break the coke.

Further, the invention according to claim 2 is the coke clogging removal device of the coke oven carbonization chamber, wherein the articulated arm has a mechanism for moving the coking arm in the width direction of the predetermined carbonization chamber. .
Furthermore, the invention according to claim 3 is the coke clogging removal device for the coke oven carbonization chamber according to claim 1 or 2, wherein the traveling of the self-propelled vehicle and the driving of the arm horizontal turning unit and the articulated arm are as follows: It is performed by remote control at a position away from the kiln entrance of a predetermined carbonization chamber.

  According to the coke clogging removal device of the coke oven carbonization chamber according to the present invention, when the arm horizontal turning portion provided at the front-rear direction tip of the self-propelled vehicle is horizontally rotated so as to face the vehicle width direction, The firewood arm is disposed opposite to the kiln opening of a predetermined carbonization chamber where coke clogging has occurred, and the plurality of arms of the multi-joint arm repeats the operation of rotating around the joint, so that the excavation part of the firewood arm The coke can be crushed by bumping it against the massive coke near the kiln entrance, so that the coke can be destroyed, so that the work safety is improved and the coke is removed with high efficiency and low installation cost. Can do.

It is a side view which shows the coke clogging removal apparatus aimed at by this invention. It is a top view which shows the coke clogging removal apparatus aimed at by this invention. It is a figure which shows the front-end | tip shape of the coffin arm which comprises a coke clogging removal apparatus. It is the figure which showed the coke clogging removal apparatus from the vehicle width direction by which the articulated arm and the coffin arm are opposingly arranged with respect to the kiln opening of the predetermined carbonization chamber in which the coke clogging has generate | occur | produced. It is the figure which showed from the advancing direction the coke clogging removal apparatus by which the articulated arm and the coffin arm are opposingly arranged with respect to the kiln opening of the predetermined carbonization chamber in which the coke clogging has generate | occur | produced. It is a figure which shows the state which the multi-joint arm of the coke clogging removal apparatus has arrange | positioned the heel arm upward. It is a figure which shows the state which the coffin arm arrange | positioned at the front-end | tip of the articulated arm of a coke clogging removal apparatus scrapes out the coke lump in a carbonization chamber. It is a figure which shows the state which the articulated arm of the coke clogging removal apparatus is moving the coffin arm in the width direction of a carbonization chamber. 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. 9, and description is abbreviate | omitted.
FIG. 1 is a side view showing a coke clog removing device 12 according to the present invention, and FIG. 2 is a diagram showing the coke clog removing device 12 in a plan view.
The coke clog remover 12 of the present embodiment includes a self-propelled vehicle 13, an arm horizontal turning portion 14 provided at the front end of the self-propelled vehicle 13, and an articulated arm having a lower end connected to the arm horizontal turning portion 14. 15 and a heel arm 16 provided at the tip of the articulated arm 15.

The self-propelled vehicle 13 includes a driver's seat 17 where an operator gets in and a pair of endless tracks 18 provided below the driver's seat 17. The following operation is performed by an operator who gets into the driver's seat 17.
The arm horizontal turning unit 14 is connected to a turntable 21 rotatably connected to a vehicle front portion of the self-propelled vehicle 13 via a vertical shaft 20, and is connected between the turntable 21 and the vehicle front portion. And a hydraulic actuator 22 that rotates the swivel base 21 around the vertical axis 20 (R1 direction in FIG. 2) by hydraulic drive.
The articulated arm 15 includes a first arm 23, a second arm 24, a third arm 25, and a fourth arm 26.

The first arm 23 is rotatably connected to the swivel base 21 via a horizontal shaft 27, and is a hydraulic actuator that rotates the first arm 23 around the horizontal shaft 27 (R2 direction in FIG. 2) by hydraulic drive. 28.
The second arm 24 is connected to the first arm 23 and the third arm 25 via the vertical shafts 29 and 30, and is rotated around the vertical shaft 29 (R3 direction in FIG. 2) by hydraulic drive. A hydraulic actuator 31 to be moved is provided.
The third arm 25 is connected to the fourth arm 26 via a horizontal shaft 32, and includes a hydraulic actuator 33 that rotates the fourth arm 26 around the horizontal shaft 32 (R4 direction in FIG. 1) by hydraulic drive. ing. A saddle arm 16 is provided at the tip of the fourth arm 26.

As shown in FIG. 3, the scissors arm 16 is a member in which a fork 16a is formed at the tip of the long arm.
Here, the excavation part of the present invention corresponds to the fork 16a of the saddle arm 16 and is provided in the articulated arm of the present invention, and the mechanism for moving the saddle arm in the width direction of a predetermined carbonization chamber is: This corresponds to a hydraulic actuator 31 that rotates the second arm 24 around the vertical axis 29 by pressure driving.

Next, when the coke that has been carbonized in the kiln on the guide car side of the predetermined carbonization chamber 2 is clogged and the extruding operation by the extruder 7 becomes difficult, coke clogging using the coke clogging removal unit 12 configured as described above is performed. The removal procedure will be described.
First, the coke clog remover 12 is disposed on the platform 10 on the guide vehicle side.
Next, the self-propelled vehicle 13 is caused to travel so that the arm horizontal turning portion 14 is positioned in front of the kiln opening of the predetermined carbonization chamber 2. At this time, the driver's seat 17 in which the operator is boarding is at a position away from the kiln opening of the predetermined carbonization chamber 2.

Next, as shown in FIGS. 4 and 5, by driving the hydraulic actuator 22 of the arm horizontal turning section 14, the turntable 21 is turned to an angle of approximately 90 ° so as to face the vehicle width direction of the self-propelled vehicle 13. Rotate horizontally (R1 direction shown in FIG. 2).
Along with the horizontal rotation of the swivel base 21, the entire articulated arm 15 is arranged to face the kiln opening of the predetermined carbonizing chamber 2, and the rod arm 16 arranged at the tip moves toward the kiln opening of the coking chamber 2. Make it possible.

Next, as shown in FIG. 6, by driving the hydraulic actuators 28 and 33 of the articulated arm 15, the first arm 23 and the fourth arm 26 are rotated so as to increase the elevation angle (shown in FIG. 1). R2 and R4 directions), the arm 16 is disposed above.
Next, as shown in FIG. 7, the elevation angle of the first arm 23 is reduced by performing a reduction operation of the hydraulic actuator 28, and the fork 16 a at the tip of the saddle arm 16 is moved to the coke lump inside the kiln of the carbonization chamber 2. The coke lump G is crushed while being stabbed into G.

6 and 7, that is, the scraping operation of the firewood arm 16 is repeatedly performed, so that coke clogged in the kiln opening on the guide wheel side of the carbonization chamber 2 is removed and the extrusion work by the extruder 7 is possible. And
Here, as shown in FIG. 8, the hydraulic actuator 31 of the articulated arm 15 is driven to horizontally rotate the second arm 24 (rotate in the R3 direction shown in FIG. 2). It is possible to easily adjust the position of the heel arm 16 with respect to the direction.

Next, the effect of the coke clog remover 12 of this embodiment is demonstrated.
The coke clog removing device 12 of the present embodiment is configured so that the arm horizontal swivel unit 14 faces the kiln opening of the predetermined carbonization chamber when removing coke from the kiln opening of the predetermined carbonization chamber where coke clogging has occurred. Since the self-propelled vehicle 13 is stopped at the same time, the driver's seat 17 is located away from the kiln opening. Therefore, since the operator who gets on the driver's seat 17 does not receive radiant heat from the red hot coke existing near the kiln opening, the safety of the operator can be ensured.

  Further, when the arm horizontal turning portion 14 provided at the front end of the self-propelled vehicle 13 is horizontally rotated so as to face the vehicle width direction, the articulated arm 15 and the saddle arm 16 are arranged to face the kiln entrance of the predetermined carbonization chamber 2. In addition, by driving the predetermined actuators 22, 28, 31 and 33 and performing the scraping operation of the firewood arm 16 by the expansion and contraction operation of the articulated arm 15, the coke lump G in the vicinity of the kiln opening is destroyed. Can do. Therefore, coke can be removed by highly efficient work while improving work safety.

Further, since the self-propelled vehicle 13 of the coke clog remover 12 travels on the endless track 18 without providing a track on the platform 10, the problem of difficulty in retreating by the track mechanical method can be solved.
Further, as shown in FIG. 8, the hydraulic actuator 31 of the articulated arm 15 is driven to horizontally rotate the second arm 24, so that the bit 34 at the tip of the saddle arm 16 is moved to the wall portion of the carbonization chamber 2 (brick). The position of the rod arm 16 in the width direction of the carbonization chamber 2 can be easily adjusted so as not to be damaged.

  In the coke clog remover 12 of the present embodiment, an operator who has entered the driver's seat 17 drives the self-propelled vehicle 13 to drive the arm horizontal turning unit 14 and the articulated arm 15. However, the operator standing in a distant position so that the kiln entrance of the predetermined carbonization chamber 2 where coke clogging has occurred can be viewed by a remote operation, for example. The coke lump G in the vicinity of the kiln may be destroyed by the scraping operation of the firewood arm 16 by performing automatic driving of the arm 13 and the arm horizontal revolving unit 14 and the articulated arm 15 automatically. By doing so, it is possible to further improve work safety.

  DESCRIPTION OF SYMBOLS 2 ... Carbonization chamber, 3 ... Combustion chamber, 7 ... Extruder, 8 ... Guide wheel, 10 ... Platform, 11 ... Track, 12 ... Coke clog removal device, 13 ... Self-propelled vehicle, 14 ... Arm horizontal turning part, 15 ... Articulated arm, 16 ... 鍬 arm, 16a ... Fork, 17 ... Driver's seat, 18 ... Endless track, 20 ... Vertical axis, 21 ... Swivel base, 22 ... Hydraulic actuator, 23 ... First arm, 24 ... Second arm, 25 ... 3rd arm, 26 ... 4th arm, 27, 32 ... Horizontal axis, 28, 31, 33 ... Hydraulic actuator, 29, 30 ... Vertical axis, 34 ... Bit, 35 ... Lock bolt, 36 ... Hydraulic breaker, 37 ... Guide shell, 38 ... Fixed bracket, G ... Coke lump

Claims (3)

A device for removing coke clogged near the mouth of a predetermined carbonization chamber of a coke oven,
A self-propelled vehicle running on a platform provided along the furnace width direction of the coke oven;
An arm horizontal turning portion mounted at the front-rear direction tip of the self-propelled vehicle;
A multi-joint arm in which a plurality of arms are rotatably connected via a joint portion, and a lower end arm is connected to the arm horizontal turning portion;
And a heel arm attached to the tip of this articulated arm,
The arm horizontal turning section turns the self-propelled vehicle so as to face the vehicle width direction, thereby causing the articulated arm and the saddle arm to face a kiln opening of a predetermined carbonization chamber,
The articulated arm repeats an operation in which the plurality of arms rotate around the joint, thereby performing an operation of scraping the excavation part of the dredge arm against a massive coke near the kiln, Coke clogging removal device for coke oven carbonization chamber characterized by breaking down the coke.   The coke clogging removal device for a coke oven carbonization chamber according to claim 1, wherein the articulated arm has a mechanism for moving the articulated arm in the width direction of the predetermined carbonization chamber with respect to the saddle arm.   The traveling of the self-propelled vehicle and the driving of the arm horizontal turning unit and the articulated arm are performed by remote control at a position away from a kiln opening of a predetermined carbonization chamber. The coke clogging removal apparatus of the coke oven carbonization chamber of 2 description.

Images