JP6907661B2 - Coke furnace temporary shed - Google Patents

Description

The present invention relates to a coke oven temporary shed.

Conventionally, a coke oven built by brickwork is for producing coke for iron making, and a carbonization chamber for carbonizing coal and a combustion chamber for burning fuel gas are alternately arranged to form a furnace group. Is forming. The coke oven is equipped with moving equipment such as a coal loading vehicle for charging coal, an extruder for extruding the produced coke from the carbonization chamber, a guide vehicle for receiving the extruded coke, and a fire engine.

It takes several years to construct the coke oven, and after the concrete foundation is laid, brickwork is performed on the concrete to build the main body of the coke oven. In addition, it takes several months to build bricks when renewing the coke oven. In this way, the brick-laying period is long, and during brick-laying, a space for temporarily placing the coke oven body and bricks to be piled up is provided so that the bricks, which are refractories, are not exposed to the wind and rain. Has been done. As a temporary storage place for such bricks, for example, a structure using a lower shed provided on the side of a temporary coke oven shed that covers the main body of the coke oven as shown in Patent Document 1 is known.

In Patent Document 1, a temporary coke oven construction roof that covers the main body of the coke oven when the coke oven is constructed, and a brick provided in contact with the side surface of the coke oven construction temporary roof are temporarily placed. It is equipped with a temporary coke oven construction temporary shed to protect the bricks from wind and rain, and is equipped with a means of moving the coke oven construction temporary lower house along the side of the coke oven construction temporary upper house, and is used for coke oven construction. It describes a temporary coke oven construction temporary house in which the temporary lower house can be moved along the side surface of the temporary upper house and hardware can be taken into the temporary upper house.

JP 2015-10128

However, in the conventional coke oven temporary roof shown in Patent Document 1, since the extruder rail is used as a traveling path when moving the lower house, the repair work of the extruder rail is performed after the lower house is dismantled. Therefore, there was a problem that the construction period was prolonged.

The present invention has been made in view of the above-mentioned problems, and it is not necessary to move the lower house, and it is possible to construct or renew the coke oven in parallel with the repair work of the extruder rail. The purpose is to provide a temporary coke oven shed that can shorten the construction period.

In order to achieve the above object, the coke oven temporary shed according to the present invention is a covered coke oven provided with a shed adjacent to the upper body covering the coke oven when constructing or renewing the coke oven. It is a temporary roof, and the lower floor is provided with at least one middle floor that is arranged so as to open a first floor portion having a predetermined working height from the ground , and one below the middle floor of the lower floor. An extruder rail on which the extruder runs is installed on the floor, and the upper space of the middle floor is characterized as a space communicating with the internal space of the roof body.

In the present invention, bricks are temporarily placed in the space of at least one middle floor in a covered lower house, and the bricks are easily carried into the internal space of the upper body to construct or renew a coke oven. be able to. And since the roof is provided in the lower house, it is possible to avoid wind and rain, and it is possible to prevent the temporarily placed bricks from getting wet. Moreover, in the present invention, when the space of the lower house is used as a temporary storage space for bricks, it is possible to prevent the bricks from being inundated by rainwater by using a middle floor having a height above the ground.

Further, in the present invention, the lower house has at least two floors, and the floor level of the lowermost middle floor is positioned so as to have a work space having a predetermined work height from the ground. For example, when the extruder rail is provided below the middle floor of the lowermost stage, it is possible to secure a space where the extruder rail can be repaired. Therefore, for example, in the construction of a coke oven, the bricks temporarily placed in the space on the middle floor are carried into the internal space of the roof body, and the construction is performed in the work space below the middle floor at the bottom. It is possible to perform parallel work without interfering with each other with the repair work of the extruder rail. That is, the overall construction period required for the construction can be shortened as compared with the case where the extruder rail is repaired after the furnace construction work is completed and the lower house is dismantled as in the conventional case.

Further, in the coke oven temporary shed according to the present invention, a horizontally movable crane is provided in the space, and the horizontally movable crane can move between the space and the internal space of the shed main body. It is preferable that it is provided.

In this case, a horizontally movable crane can be used to move between the space and the internal space of the shed body to efficiently move the bricks required for the furnace construction work.

Further, in the coke oven temporary shed according to the present invention, it is preferable that the middle floor overhangs the internal space of the shed main body.

In this case, by moving the bricks temporarily placed on the middle floor of the shed to the overhanging part overhanging the internal space of the shed, the bricks are moved to the shed by using a crane installed on the shed. Can be lifted. Therefore, the work efficiency of the furnace construction work can be improved.
Further, in this case, the bricks that have been moved laterally on the middle floor can be directly carried into the coke oven from the lower house through the back stay.

Further, in the coke oven temporary shed according to the present invention, the middle tier floor is provided in a plurality of tiers, and the middle tier floors on the second or higher tier from the bottom are located above and below the middle tier floor with the middle tier floor in between. It is preferable that a communication means for communicating the spaces is provided.

In this case, the bricks temporarily placed in the space can be moved to other spaces adjacent to each other in the vertical direction by using the communication means.

Further, in the coke oven temporary roof according to the present invention, a platform to which a rail of a guide car used when operating the coke oven is attached is provided on a side portion of the coke oven, and the lowermost middle floor. The floor surface of the platform may be located on the same surface as the upper surface of the platform.

In this case, by setting the floor level of the lower middle floor of the lower house to the same level as the upper surface of the platform, the work of bringing the bricks temporarily placed in the space on the middle floor from the lower house to the vicinity of the coke oven can be further carried out. It can be done easily.

According to the coke oven temporary shed of the present invention, it is not necessary to move the shed, and the coke oven can be constructed or renewed in parallel with the repair work of the extruder rail, thereby shortening the construction period. There are advantages that can be.

It is a front view which shows the structure of the coke oven temporary shed by embodiment of this invention, and is the view which was seen from the direction of the coke oven head. It is a view taken along the line AA shown in FIG. It is a front view which shows the structure of the coke oven temporary shed by another embodiment, and is the figure which was seen from the direction of the coke oven head.

Hereinafter, the coke oven temporary shed according to the embodiment of the present invention will be described with reference to the drawings.

As shown in FIG. 1, the coke oven temporary roof 1 according to the present embodiment is used when constructing or renewing the coke oven 2 constructed by brickwork, and is constructed so as to cover the coke oven 2. It is a temporary building. FIG. 1 shows a state in which a coke oven erection building 1 is installed in a coke oven 2 under construction or renewal.
As shown in FIG. 2, the coke oven 2 and the coke oven temporary roof 1 have a substantially rectangular shape that is long in one direction when viewed from the side, and the coke oven 2 has a furnace group length direction X2 (the left-right direction on the paper in FIG. ) Is called the furnace length direction X1 (the left-right direction on the paper in FIG. 1).

The coke oven temporary shed 1 includes a shed main body 10 arranged so as to surround the entire coke oven 2 and a shed 20 adjacent to a side surface of the shed main body 10 (a side surface extending along the furnace leader direction X2). , Is equipped.

Here, as equipment related to the coke oven 2, on one side of the coke oven 2 (on the right side of the paper in FIG. 1), an extruder rail 3 in which an extruder (not shown) travels in the furnace group leader direction X2 is provided. On the other side of the coke oven 2 (on the left side of the paper in FIG. 1), a fire extinguisher rail 4 is installed in which a fire extinguisher (not shown) travels in the direction of the furnace leader X2. The extruder rail 3 is arranged inside the lower house 20. The fire engine rail 4 is arranged inside the shed main body 10. Further, rails of a guide wheel used when the coke oven 2 is operated are attached to both sides of the coke oven 2 in the furnace length direction X1, and gas pipes and the like for supplying gas into the coke oven 2 are accommodated. Platforms 5A and 5B are provided.

The upper body 10 covers the coke oven 2 to be piled up with bricks and protects the coke T. The main pillars 11 and 11 built on both sides of the coke oven 2 in the furnace length direction X1 and the coke oven. It is provided with a center pillar 12 built on the first platform 5A on the fire extinguisher side of No. 2 and a roof 13 mounted on the pillars 11 and 12. As shown in FIG. 2, the main pillars 11 are arranged at predetermined intervals along the furnace group leader direction X2.
Wall plates (not shown) forming side walls are provided on the main columns 11 located on both sides of the furnace length direction X1. The wall plate is not arranged in a portion adjacent to the space in the shed 20, and the internal spaces of the shed main body 10 and the shed 20 are in a state of communicating with each other.

As shown in FIGS. 1 and 2, at the position above the coke oven 2 in the shed main body 10, the first crane 6A fixed under the roof 13 and the second crane 6A provided below the first crane 6A are provided. A crane 6B and a crane 6B are provided. The first crane 6A is provided so as to be movable along the first traveling rail 61 that hangs down from the roof 13 and extends in the furnace group leader direction X2. The second crane 6B is provided so as to be movable along the second traveling rail 62 which is supported by the main pillar 11 and the middle pillar 12 and extends in the furnace group leader direction X2.
The fire engine rail 4 in the shed main body 10 is provided on the ground 1a between the center pillar 12 and the main pillar 11 opposite to the coke oven 2 side with the center pillar 12 in between.

As shown in FIG. 1, the shed 20 is installed so as to be adjacent to a main pillar 11 (the wall plate described above) which is a side surface of the shed main body 10, and a brick T or a plurality of bricks piled up with bricks are specified. It has spaces S1 and S2 for temporarily placing block-shaped bricks T formed in advance in the size and shape of the above, and protects the temporarily placed bricks T from wind and rain.

The lower house 20 is from a pillar 21 separated from the main pillar 11 of the upper body 10 in the furnace length direction X1 by a predetermined distance, a roof 22 placed on the pillar 21 and covering the temporarily placed brick T, and the ground 1a. It is provided with two-tiered middle floors 23 (23A, 23B) arranged with a first floor portion (extruder rail work space S0 described later) having a predetermined working height.
As shown in FIG. 2, the pillars 21 are arranged at predetermined intervals along the furnace group leader direction X2. A wall plate 24 forming a side wall is provided on these pillars 21. It should be noted that although side walls are not provided on both sides of the lower house 20 in the direction X2 of the furnace group, the side walls may be provided on both sides by a shutter or the like that can be opened and closed.
The roof 22 is set lower than the height of the roof 13 of the shed main body 10, and is connected to the side wall of the shed main body 10.

The middle floors 23A and 23B project to the internal space 10A of the roof body 10, respectively, and the upper spaces on the middle floors 23A and 23B communicate with the internal space 10A of the roof body 10 to temporarily store bricks S1 and S2. (Equivalent to the space of the present invention). The first middle floor 23A on the lower side (bottom) of the two middle floors 23 is arranged at a position higher than the upper surface 5a of the first platform 5A, and projects to a position where it abuts or approaches the coke oven 2. The first overhanging portion 23a is provided. On the other hand, the second middle floor 23B located above the first middle floor 23A has a shorter overhang distance than the first overhang 23a (in FIG. 1, the overhang length is approximately half that of the first overhang 23a). An overhanging portion 23b is provided. That is, an opening is formed between the second overhanging portion 23b and the coke oven 2.

Further, an opening (communication means) (not shown) is formed in the second middle floor 23B, which is the second or higher stage from the bottom, to communicate the brick temporary storage spaces S1 and S2 with each other. In this case, the brick T temporarily placed in the brick temporary storage space (for example, S1 on the lower stage side) is used in another brick temporary storage space (for example, S2 on the upper stage side) adjacent to each other in the vertical direction. Can be moved.

Further, a third crane 6C is provided at an upper position near the roof 22 in the lower house 20. The third crane 6C is provided so as to be movable along the third traveling rail 63 which is supported by the roof 13 and extends in the furnace leader direction X2.
By using these first crane 6A, second crane 6B, and third crane 6C, the brick T can be moved from the brick temporary storage spaces S1 and S2 to the coke oven 2.

An extruder rail 3 is arranged on the first floor below the first middle floor 23A, and an extruder rail work space S0 capable of updating the extruder rail 3 is formed. The specific height of the extruder rail work space S0 is such that, for example, a moving vehicle with a crane can enter and use the crane to update the foundation, sleepers, etc. of the extruder rail 3. Is set to.

According to the coke oven temporary roof described above, the brick T is temporarily placed in the brick temporary storage spaces S1 and S2 of the two-tiered middle floors 23A and 23B in the covered lower house 20, and the brick T is temporarily placed. Can be easily carried into the internal space 10A of the roof body 10 to construct or renew the coke oven 2.
Since the roof 22 is provided on the lower house 20, wind and rain can be avoided, and the temporarily placed brick T can be prevented from getting wet. Moreover, when the brick temporary storage spaces S1 and S2 of the lower house 20 are used as the brick temporary storage space as in the present embodiment, the middle floors 23A and 23B, which are high from the ground, are used due to rainwater. It is possible to prevent the brick T from being flooded.

Further, in the present embodiment, since the middle floors 23A and 23B having a plurality of stages (two stages) are provided, it is possible to arrange different types of bricks T to be temporarily placed for each floor. For example, the above-mentioned block-shaped brick T and the stacked bricks T can be temporarily placed separately on separate middle floors 23.

Further, in the present embodiment, the lower house 20 has three floors, and the floor level of the first middle floor 23A at the bottom has an extruder rail work space S0 having a predetermined work height from the ground (ground 1a). Is located in. That is, when the extruder rail 3 is provided below the first middle floor 23A as in the present embodiment, it is possible to secure the extruder rail work space S0 capable of repairing the extruder rail 3. can. Therefore, in the coke oven 2 construction work, the brick T temporarily placed in the brick temporary storage spaces S1 and S2 on the middle floors 23A and 23B is carried into the internal space 10A of the roof body 10 and performed. The repair work of the extruder rail 3 performed in the extruder rail work space S0 below the first middle floor 23A of the lowermost stage can be performed in parallel without interfering with each other. That is, the overall construction period required for the construction can be shortened as compared with the case where the extruder rail 3 is repaired after the furnace construction work is completed and the lower house is dismantled as in the conventional case.
Here, the repair work of the extruder rail 3 includes the work of re-laying the sleepers together with the foundation concrete supporting the sleepers, the work of installing the rails on the sleepers, and the like, and the extruder rails as in the present embodiment. By securing the work space S0, the repair work can be performed without stopping the furnace construction work.

Further, in the present embodiment, since the middle floors 23 (23A, 23B) project into the internal space 10A of the shed main body 10, the bricks T temporarily placed on the middle floors 23A and 23B are respectively placed on the shed main body 10. By laterally moving the brick T onto the overhanging portions 23a and 23b overhanging the internal space 10A, the brick T can be lifted by using the cranes 6A and 6B installed in the shed main body 10. Therefore, the work efficiency of the furnace construction work can be improved.
Further, in this case, the bricks laterally moved on the middle floor 23 (23A, 23B) can be directly carried into the coke oven 2 from the lower house 20 through the back stay.

As described above, in the coke oven temporary shed according to the present embodiment, it is not necessary to move the lower house 20, and the coke oven 2 can be constructed or renewed in parallel with the repair work of the extruder rail 3. It has the effect of being able to do it.

Although the embodiment of the coke oven temporary shed according to the present invention has been described above, the present invention is not limited to the above embodiment and can be appropriately modified without departing from the spirit of the present invention.

For example, in the present embodiment, the floor surface of the lowermost first middle floor 23A is provided at a position higher than the upper surface 5a of the platform 5A, but the height of the first middle floor 23A is at this position. It is not limited and can be changed as appropriate. For example, as shown in FIG. 3, the floor surface 23c of the lowermost first middle floor 23A may be located on the same surface as the upper surface 5a of the platform 5A. In this case, the floor level of the first middle floor 23A at the bottom of the lower house 20 is set to the same level as the upper surface 5a of the platform 5, so that the bricks are temporarily placed in the brick temporary storage space S1 on the first middle floor 23A. The work of carrying the brick T from the lower house 20 to the vicinity of the coke oven 2 in the upper body 10 can be performed more easily.

Further, the configuration such as the position and quantity of the cranes provided in the shed main body 10 and the shed 20 is not limited to the above-described embodiment, and can be arbitrarily set. For example, in the coke oven temporary shed 1A shown in FIG. 3, a horizontally movable fourth crane 6D is provided above the brick temporary storage space S2 on the second middle floor 23B. In the fourth crane 6D, the lateral movement rail 64 is extended from the brick temporary storage space S2 to the internal space 10A of the shed main body 10, and is provided so as to be movable from the brick temporary storage space S2 to the internal space 10A. There is. In this case, the brick T can be efficiently moved by the fourth crane 6D between the brick temporary storage space S2 and the internal space 10A, which is necessary for the furnace construction work.

Further, although the lower house 20 of the present embodiment is provided with two steps of middle floors 23A and 23B, the number of steps of the middle floor 23 may be at least one step, and there may be one step or three or more steps. You may.

Further, in the present embodiment, the second middle floor 23B has an opening in which the brick temporary storage spaces S1 and S2 communicate with each other, but the present invention is not limited to the opening. .. For example, an elevator can be used instead of the opening as a means of communicating the brick temporary storage spaces S1 and S2 with each other. The point is that the bricks may be moved between the temporary brick storage spaces S1 and S2.

Further, in the present embodiment, the brick temporary storage spaces S1 and S2 are targeted as the space communicating with the internal space of the shed main body 10, but the space is not limited to the use for the brick temporary storage. For example, it may be a space for arranging other materials, equipment, etc., or it may be a space used as a work space by workers.

Further, the shape, size, and the like of the shed main body 10 and the shed 20 can be appropriately set according to the size of the coke oven 2, the number of bricks T to be temporarily placed, and the like. For example, in the present embodiment, the eaves height of the shed 20 is lower than the eaves height of the shed main body 10, but the height is not limited to this, and the eaves height of the shed 20 is adjusted to the height of the shed main body 10. It is also possible to have an integrated structure.

Furthermore, although the shed 20 is fixed to the shed main body 10 and is in a fixed position, it may have a function of moving the shed 20 along the side surface of the shed main body 10. The point is that at least one middle floor 23 is provided in the lower house 20, and the extruder rail work space S0 is provided below the first middle floor 23A at the bottom.

The positions of the extruder rail 3 and the fire engine rail 4 are not limited to the above-described embodiment. For example, in the present embodiment, the entire extruder rail 3 is arranged inside the shed 20, but a part of the extruder rail 3 (for example, one rail) is inside the shed body 10. It may be arranged in.

In addition, it is possible to replace the components in the above-described embodiment with well-known components as appropriate without departing from the spirit of the present invention.

1 Coke furnace Temporary roof 1a Ground 2 Coke furnace 3 Extruder rail 4 Fire extinguisher rail 5A, 5B Platform 5a Top surface 6A, 6B, 6C Crane 6D Crane (horizontal mobile crane)
10 Upper body 10A Internal space 20 Lower 21 Pillar 22 Roof 23, 23A, 23B Middle floor 23a, 23b Overhanging part S0 Extruder rail work space S1, S2 Brick temporary storage space T Brick X1 Furnace length direction X2 Furnace length direction

Claims (5)

A covered coke oven temporary shed with a shed adjacent to the shed body that covers the coke oven when constructing or renewing the coke oven.
The lower house is provided with at least one middle floor, which is arranged with a first floor having a predetermined working height above the ground.
An extruder rail on which the extruder runs is installed on the first floor below the middle floor of the lower house.
The coke oven temporary shed is characterized in that the upper space of the middle floor is a space communicating with the internal space of the shed main body. A horizontally mobile crane is provided in the space.
The coke oven temporary shed according to claim 1, wherein the horizontally movable crane is provided so as to be movable between the space and the internal space of the shed main body. The coke oven temporary shed according to claim 1 or 2, wherein the middle floor overhangs the internal space of the shed main body. The middle floor is provided in a plurality of stages.
Any of claims 1 to 3, wherein the middle floor of the second or higher tier from the bottom is provided with a communication means for communicating the plurality of spaces located above and below the middle floor. The coke oven temporary shed described in item 1. On the side of the coke oven, a platform to which the rail of the guide car used during the operation of the coke oven is attached is provided.
The coke oven temporary shed according to any one of claims 1 to 4, wherein the floor surface of the middle floor at the bottom is located on the same surface as the upper surface of the platform.

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