JPS6253555B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a rotating device for a circular bucket for receiving red-hot coke in a coke oven that performs dry extinguishing of coke.

(Prior art) In coke dry extinguishing equipment, red-hot coke discharged from a coke oven is received by a coke bucket placed on a bucket truck running on rails and transported to a hoisting tower by the bucket truck, and then the coke bucket is transported by a crane. The red-hot coke is hoisted up and carried onto the pre-chamber of the dry extinguishing equipment, the coke discharge gate installed at the bottom of the coke bucket is opened, and the red-hot coke is charged into the pre-chamber. For example, the coke bucket is effectively used to obtain steam for power generation in a boiler, and after the red-hot coke is discharged, the coke bucket is placed on the bucket cart again and transported to prepare for the next coke oven to exit the kiln. Thus, the coke bucket, together with the bucket truck, is a device that is repeatedly used for transporting red-hot coke.

The conventional coke bucket cart and bucket cart are the third
As shown in the figure, a rectangular coke bucket 3 having a rectangular coke receiving plate 2 is mounted on a bucket cart 1, and the coke bucket cart 3 is towed by a train to a coke oven 4, and is moved from the coke oven 4 at a fixed position at the coke oven kiln entrance before being discharged from the coke oven. It receives red hot coke 5 pushed out through a coke guide. However, in the existing coke oven, the coke falling point 6 is extremely close to the oven side, and due to the angle of repose of red-hot coke, the coke in the coke bucket 3 is biased toward the oven side, so that the effective volume ratio of coke to the total volume of the coke bucket 3 is It was extremely low. In addition, the load is unevenly loaded, and it is necessary to install a balance weight on the side opposite the coke oven of the coke bucket 3 to maintain balance when hoisting it up with a crane in the hoisting tower.In addition, providing the balance weight makes the coke bucket heavier, which is an inconvenience. It was hot.

(Problems to be solved by the invention) In order to solve such problems, a rotatable turntable is provided on the coke bucket cart,
A coke bucket trolley, which was designed to place a coke bucket on this turntable, was made in 1974.
It is disclosed in Publication No. 39483.

According to this technology, a square or circular coke bucket can be carried while rotating the turntable placed on the turntable, so the capacity of the coke bucket can be reduced, and the situation of one-sided cargo can be eliminated, so the cart can be placed on a curved part of the rail. It is explained that this will eliminate the trouble of falling.

However, since the coke bucket truck disclosed in Japanese Utility Model Publication No. 54-39483 is equipped with a turntable on the truck, debris, floating dust, etc. from the gap between the discharge gates that occur during unloading of the kiln are removed from the turntable. The coke lumps or coke powder deposited on the turntable become a hindrance when the coke bucket is placed on the turntable, impeding stable placement of the coke bucket and smooth rotation of the coke bucket. These disadvantages necessitated removal of accumulated coke by hand or air.

In order to solve the problems of the prior art, the present inventors have developed a rotary coke bucket and bucket truck that receives red-hot coke while rotating and transports it to a dry fire extinguishing facility, by installing three or more on the top surface of the bucket truck. The rollers are arranged in a circular ring, and the rotary arm is provided with a plurality of arms capable of rotating around the center where these rollers are arranged as a rotation axis, and an upwardly protruding protrusion is provided at the end of each arm, and further A driving device is provided to rotate the rotary arm, and a semicircular rail is provided on the bottom surface of each of the two divided discharge gates provided at the bottom of the coke bucket to form a circular ring shape. He devised a coke bucket rotating device characterized by having a plurality of recesses on the bottom surface that fit into the protrusions of the rotating arm, and has filed an application as Utility Model Application No. 1981-81779. This technology made it possible to significantly reduce the weight of dry fire extinguishing coke buckets, and the rotating mechanism of the coke bucket became simple and reliable.

However, with the technology of Utility Application No. 59-81779,
Because the rail of the mechanism for rotating the coke bucket was fixed to the bottom of the discharge gate,
There was a problem in that this rail was deformed by the heat of the red-hot coke stored in the coke bucket, and in consideration of long-term use, there were points that needed to be improved in terms of durability and maintainability.

(Means for Solving the Problems) The present invention was made in view of the above situation, and is based on the practical application already devised by the inventors.
The aim is to improve the technology of No. 81779 and provide a more practical and useful device.

That is, the present invention provides a rotary coke bucket truck that receives red hot coke while rotating and transports it to a dry fire extinguishing facility, in which three or more receiving rollers are arranged in a circular shape on the top surface of the bucket truck, and these receiving rollers are A rotary arm that rotates about the arranged center point as a rotation axis is provided, a protrusion that fits into a recess provided in the bottom of the cork bucket is provided on this rotary arm, and a circular rail is placed on the receiving roller. This is a rotating device for a coke bucket.

(Example) The present invention will be described in detail below based on an example device shown in the drawings.

FIG. 1 is a partially sectional front view of an embodiment of the present invention, and FIG. 2 is a plan view of a bucket cart according to the present invention.

As shown in FIGS. 1 and 2, the present invention provides a bucket trolley 1 that moves on a rail and carries a rotary coke bucket 3 that receives red hot coke while rotating and transports it to a dry fire extinguishing facility. For example, eight or more receiving rollers 9 are arranged on the upper surface of the truck 1 in a circular shape around the rotation axis 15, and a circular rail 12 is placed on top of these receiving rollers 9, 9... , a rotary arm 10 that rotates about the rotation axis 15 is provided. This rotary arm 10 has two arms 10A and 10B, and upwardly protrusions 16A and 16B are provided on the upper end of each arm, and the rotary arm 10 is rotated by a drive device 14 provided on the bucket cart 1. I'm starting to be able to do it. In the figure, 11 is a bearing, 13 is a transmission shaft, and 20
is a side roller. Three or more side rollers 20 are installed near the outer periphery of the rail 12 to prevent the rail 12 from shifting laterally. Further, the number of arms 10A, 10B of the rotary arm 10 is not limited to two, and may be one or three or more.

On the other hand, a discharge gate 8 for discharging red-hot coke is provided at the bottom of the coke bucket 3, and the arm 10A,
Recesses 17, 17 are provided which fit into projections 16A, 16B provided on 10B.

(Operation of the invention) When red-hot coke is discharged from a coke oven, the coke bucket and bucket cart are in the state shown in FIG. 1. That is, since the protrusions 16A and 16B are fitted into the recesses 17 and 17, the driving device 14 is driven to apply rotational force to the rotary arm 10 via the transmission shaft 13 to rotate the coke bucket 3. Receive red hot coke 5. Therefore, the red hot coke 5 can be evenly distributed in the coke bucket 3 without being biased to one side. After the carcass is received, the drive device 14 is stopped, and the bucket truck 1 is transported to the dry fire extinguishing equipment, after which the cork bucket truck 3 is lifted up via the hanging fitting 7. At that time, the recess 17,
17 and the protrusions 16A, 16B are automatically disengaged and the red hot coke 5 in the coke bucket 3 is discharged into the pre-chamber, and then the empty coke bucket 3 is lowered onto the bucket truck 1 again, as shown in FIG. Return to state.

The center ring when placing the cork bucket cart 3 on the bucket cart 1 is such that the hanging fittings 7, 7... of the cork bucket cart 3 are provided inside the guide rails 18, 18... fixed to the bucket cart 1 on the rear surface of the hanging fittings. This is done by lowering the rollers 19, 19, . . . while being guided. At that time, the positions of the recesses 17, 17 are determined as shown in FIG.
The position of 16B is set in advance to correspond to the position of the recess.

When the coke bucket cart 3 is placed on the bucket cart 1, the bottom surface of the discharge gate 8 is placed on the circular rail 12 on the receiving rollers 9, 9, . , 9, ..., and the hanging fitting 7 continues to descend even after the cork bucket cart 3 is placed on the circular rail 12, so the hanging fitting 7 automatically lowers the cork bucket cart 3.
The engagement with the coke bucket 3 is released, and the coke bucket 3 becomes rotatable, ready for the next kiln discharge.

(Effects of the Invention) As described above, in the device of the present invention, a circular rail is placed on a plurality of receiving rollers installed in a circular manner on a bucket truck, and a cork bucket cart is placed on this rail to absorb the load of the cork bucket cart. Since the coke bucket is rotated by receiving it with a receiving roller and rotating the rotary arm, the structure is simple, and there is no possibility that the rotary function will deteriorate due to falling debris or floating dust, or the bucket will become unable to rotate. Ukekeku can be carried out smoothly without any problems. The red hot coke deposited in the coke bucket equipped with the bucket rotation device of the present invention is almost flat without being loaded toward the coke oven side in the coke bucket, so it is also possible to use a balance weight to balance the overall weight. This eliminates the need for the coke bucket and reduces the weight of the coke bucket. In addition, since the non-loaded portion on the side opposite to the coke oven that occurs in a rectangular coke bucket is eliminated, the effective volume ratio of the bucket becomes significantly large, so that the coke bucket can be made smaller.

In addition, since the annular rail is separated from the bottom of the discharge gate, this rail is significantly less affected by heat from the red-hot coke and can therefore withstand long-term use.

[Brief explanation of the drawing]

FIG. 1 is a partially sectional front view of an embodiment of the present invention, FIG. 2 is a plan view of a bucket truck according to the present invention, and FIG. 3 is a side view illustrating the prior art. 1: Bucket cart, 3: Coke bucket, 5:
Red-hot coke, 7: Hanging fittings, 8: Discharge gate,
9: Receiving roller, 10: Rotating arm, 10A, 10
B: Arm, 12: Rail, 14: Electric motor, 15: Rotation axis, 16A, 16B: Projection, 17: Recess, 1
8: Guide rail, 19: Roller.

Claims (1)

[Claims] 1. In a rotary coke bucket truck that receives red-hot coke while rotating and transports it to a dry fire extinguishing facility, three or more receiving rollers are arranged in a ring on the top of the bucket truck, and the center point where these receiving rollers are arranged is A rotary arm that rotates as a rotation axis is provided, a protrusion that fits into a recess provided at the bottom of the coke bucket is provided on the rotary arm, and a circular rail is placed on the receiving roller. Coke bucket rotating device.