JP2002003849A - Opening/closing lid for insertion inlet of coal layer surface leveler of coke carbonization oven cover - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an opening/closing lid for an insertion inlet of a coal layer surface leveler which is improved in resistance to abrasion and resistance to damage and wherein a fastening device having a small pressing force is used. SOLUTION: The opening/closing lid for the insertion inlet of the coal layer surface leveler of a coke carbonization oven cover is equipped with a hooking arm member 1 in the directions of pressing at the opening/closing side of a single swing push lid 5 for opening and closing the insertion inlet 4 of the coal layer surface leveler of a frame body 3 installed at the upper part of an oven cover 2 for opening and closing an entrance of a coke carbonization oven, and a hanging arm member 7 rotatively engaged with the hooking arm member 1 through a rotary supporting shaft 11 arranged on a pressing direction axis of the hooking arm member 1 and continuously connected to the hooking arm member 7, and a hanging arm member rotating driver 13 fixed to the oven cover 2 side of the frame body 3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cover for opening and closing a surface of a coal bed surface leveler provided in a furnace cover of a coke carbonization furnace.

[0002]

2. Description of the Related Art A coke manufacturing facility for heating coal particles charged in a carbonization furnace while shutting out air is a coke oven, a pulverizer for pulverizing coal into a certain size, and a mixture of several types of coal. It consists of a mixing tank for mixing and mixing, ancillary equipment such as a coal-charging machine, a coal-equipped car, and furnace surrounding equipment such as a coke extruder and a coke digester.

As shown in a partially cutaway perspective view in FIG. 3, a coke oven has a regenerative furnace A at a lower part of a furnace body, and a combustion furnace B and a coke carbonizing furnace C are alternately arranged at the upper part thereof. I have. D is a coal charging inlet, which is provided above the coke carbonization furnace C. E is a furnace lid, which closes the entrance of the coke carbonization furnace C. The appropriately blended coal particles are charged into a coke carbonization furnace C from a coal loading port D by a coal loading vehicle, and an average machine (leveler) having a long frame structure attached to a coke extruder.
After the surface of the coal seam is evened, the fuel gas
Is burned in the combustion furnace B while being preheated in the regenerator A from the bottom of the furnace, and the coal particles in the adjacent coke carbonization furnace C are heated and coke. The waste gas generated during the heating of the coal particles heats the grid bricks of the regenerator A through an exhaust pipe (not shown) provided at the upper part of the coke carbonizing furnace C, while the flue F
Through the chimney. The coke oven is 900
Because it is used at a high temperature of ℃ or more, it is built with refractory materials, and in order to prevent leakage of gas generated in large quantities,
For example, the inside of the furnace is assembled in an airtight structure such as covering the furnace shell with an iron plate.

[0004] The coke oven C assembled in such a structure is provided with a coke oven C so that the gas generated in the coke oven C is discharged from a chimney through a flue from a gas passage while being enclosed in the oven. A knife-edge method, a punch-out seal plate method, a spring seal plate method, or the like, between the furnace lid E for closing the entrance and between the furnace lid E and the opening / closing lid for the coal layer surface leveler loading entrance provided on the furnace lid E. It is provided in an airtight structure using a pressing technique such as FIG.
Shows a front view (a) of the furnace lid and a cross-sectional view (b) thereof along the line XX. The furnace lid 2 is a long lid having a fire-resistant structure in which a refractory brick 18 is lined inside the furnace. A bar 19 is provided on the outside of the furnace, and a coal layer surface leveler inlet 4 of the frame 3 is provided above the furnace. The loading opening 4 is provided with a single-sided push lid 5 provided with a hook-and-loop fastening device.

However, (the fastening device conventionally used for the single-sided push lid 5 of the coal bed surface leveler inlet 4 is provided with a single-sided push lid 5 having one side pivotally connected to the frame 3 on the open / close side. As shown in FIG. 5, a retaining arm member 1 connected to the opening side pressing direction is provided, and the retaining arm member 1 is rotatably engaged with the coal layer surface leveler inlet 4 of the frame body frame 3. Inverted L-shaped hook arm member 21 having engaging claw portion 20
And is connected to a drive device 22 of a telescopic mechanism for rotating the inverted L-shaped hooking arm member 21 via a rotation support shaft 11 penetrating through the corner of the arm. That is, the conventional fastening device rotates the inverted L-shaped hooking arm member 21 from the disengaged state at the Y point to the engaged state at the Z point by using a pushing force that the drive device 22 of the telescopic mechanism extends. This is intended to be hooked and fastened to the hook arm member 1. Reference numeral 23 denotes a handle for rotating the inverted L-shaped hooking arm member 21.

[0006]

According to the conventional apparatus for fastening the opening / closing lid of the coal layer surface leveler installation as shown in FIG. 5, the retaining arm member 1 and the inverted-shaped engaging arm member 17 are used. Are provided close to each other, there is an advantage that the design can be made compact. However, since a smooth rotational movement is required for the inverted L-shaped hooking arm member 21, the hooking area is reduced by that amount, and wear and damage are quickly and frequently caused. There was a problem that had to be repaired. The rotation support shaft 11 of the hanging arm member 1 and the inverted L-shaped hanging arm member 21 is provided along the pushing force direction in which the driving device 22 of the telescopic mechanism extends, so that the two arm members are driven to be attached and detached. There is a problem in that the expansion / contraction span of the drive unit 22 of the telescopic mechanism becomes long, and a powerful telescopic drive unit 22 having a high pressing force must be provided.

The inventors of the present invention have conducted repeated studies and trial production for the purpose of solving the problems of the fastening device conventionally used for the opening / closing lid of the coal layer surface leveler entrance, and as a result, have found that By providing a hook arm member that hooks on the holding arm member via the rotating shaft on the pressing direction axis, a large hooking area is obtained, and the wear resistance and damage resistance aimed at by the present invention are improved, In addition, it has been found that a robust coal bed surface leveler inlet opening / closing lid can be provided with a fastening device having a small pressing force.

[0008]

SUMMARY OF THE INVENTION The present invention has been made on the basis of the findings, and the gist of the present invention is that a coal layer surface leveler of a frame body frame provided at an upper portion of a furnace lid for opening and closing an entrance and exit of a coke carbonization furnace. A holding arm member is provided in the opening / closing side pressing direction of the one-sided push lid that opens and closes the loading port, and is rotatably engaged with the holding arm member via a rotation support shaft disposed on the pressing direction axis of the holding arm member. And a lid of a coke carbonization furnace of a coke carbonization furnace lid configured by connecting a hooking arm member to be driven and a hooking arm member rotating drive fixed to the furnace lid side of the frame body.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the drawings. 1 and 2 show an embodiment of the present invention, showing a front view (FIG. 1) of an opening / closing lid for a coal layer surface leveler inlet and an enlarged side view (FIG. 2) of a fastening portion thereof. 1 and 2, reference numeral 1 denotes a retaining arm member. The retaining arm member 1 is of a retaining shape for retaining the opposite sides, which will be described later, and is mounted on an upper portion of a furnace lid E (2 in FIG. 4) for opening and closing the entrance of the coke carbonization furnace C shown in FIG. The single-sided push lid 5 for opening and closing the coal layer surface leveler loading port 4 of the body frame 3 or the open / close end of the push drive arm 6 of the single-sided push lid 5 is provided so as to be directed in the pressing direction. The figure shows an embodiment in which the retaining arm member 1 is connected to the opening / closing side of the pressing drive arm 6 which rotates by the pivot 7.
The holding arm member 1 only needs to have a shape and a structure capable of holding both sides and be strong. Reference numeral 8 denotes a hooking arm member for fixedly holding a one-sided push lid 5 for closing the coal layer surface leveler inlet 4, and has a projection-shaped hooking claw 9 on the opposite side engaging with the above-mentioned hooking arm member 1. One end is pivotally supported on the frame 3 or on a rotation support shaft 11 fixed via the mounting plate 10, and the other end is provided so as to rotate. Reference numeral 12 denotes a fastening bolt for mounting the mounting plate 10 to the frame 3. In the present invention, the hook arm member 8 rotates about the rotation support shaft 11 installed on the axis of the pressing arm member 1 in the pressing direction, and the hook 9 of the hook arm member 8 is attached to the hook arm member 1. It is provided so as to rotate. Reference numeral 13 denotes a telescopic device such as a spring or a cylinder, which is connected to a rod 14 of the device via a connecting member 15 so that the hook arm member 8 rotates. That is,
In the present invention, when the rod 14 of the hook arm member rotation drive device 13 is retracted and retracted, the connecting member 15 also rotates so as to be pulled down, and the hook arm member 8 is also positioned at the point E indicated by a broken line with the rotation support shaft 11 as an axis. From the point to the solid line F,
It is engaged with the retaining arm member 1. Conversely, the hook arm member 8 is provided so as to return from the point B to the point A when the hook arm member rotation driving device 13 is extended so that the rod 14 advances.

Reference numeral 16 denotes a back pressure reinforcing member of the hanging arm member 1, which absorbs the impact force applied to the hanging arm member 1 when the hanging arm member 8 collides with the hanging arm member 1 at a high speed and collides with it. The rod 6 of the rotary drive 4 as shown in FIG.
It is provided on the side or in any other shape as required. Numeral 17 denotes a driving force adjusting bolt for adjusting the rotation length of the hooking arm member 8 by adjusting the position of the tip of the rod 6 of the hooking arm member rotation driving device 13. Reference numeral 23 denotes a handle, which is an optional handle for rotating the hook arm member 8.

The coal seam surface leveler loading / unloading lid fastening device of the present invention configured as described above is provided with a hook arm member 8 each time the seam surface leveler is charged into the coke carbonization furnace C.
Is detached from the hanging arm member 1 while pulling back the tip of the arm. In this case, in the present invention, since the hook arm member 8 is provided so as to rotate around the rotation support shaft 11 installed on the axis of the pressing direction of the hook arm member 1, FIG.
Without the need for two rotary drives 4 as shown in FIG.
It can be easily attached and detached with a small force by the hook arm member rotation drive unit 13.

According to the opening / closing lid of the coal layer surface leveler loading of the present invention using the opening / closing lid fastening device having the above-described structure, the hook arm member is provided on the axis in the pressing direction of the hook arm material. Since it is provided so as to rotate about the rotation support shaft as an axis, the space of the engaging portion of the two arm members is widened, and the arm member and the engaging arm member can be provided so as to engage with a wide surface contact. For this reason, the large fastening force related to the engaging portion is dispersed and becomes a distributed load, so that the wear resistance and the damage resistance are remarkably improved. Further, both the arm members are easily fastened and released with a small force. Thus, it is possible to provide an opening / closing lid for a coal layer surface leveler installation, which solves the problems of the conventionally used fastening device, for example, having the feature that it can be used.

[Brief description of the drawings]

FIG. 1 is a front view of an opening / closing lid for a coal layer surface leveler installation entrance in one embodiment of the present invention.

FIG. 2 shows an enlarged side view of a fastening portion shown in FIG.

FIG. 3 is a partially cutaway perspective view of a coke oven.

FIG. 4 shows a front view (a) of the furnace lid and a cross-sectional view (b) thereof along the line XX.

FIG. 5 is an enlarged side view of a conventionally used fastening portion of an opening / closing lid for a coal layer surface leveler entrance.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Hanging arm member 2 Furnace lid 3 Frame frame 4 Coal bed surface leveler loading entrance 5 Single-sided push lid 6 Press drive arm 7 Axis 8 Hook arm member 9 Hook claw 9 10 Mounting plate 11 Rotation support shaft 12 Fastening bolt 13 Hook Arm member rotation drive 14 Rod 15 Connecting member 16 Back pressure reinforcing member 17 Driving force adjusting bolt C Coke carbonizing furnace

Claims (1)

[Claims] 1. A one-sided push cover for opening and closing a coal layer surface leveler loading inlet (4) of a frame (3) provided above a furnace cover (2) for opening and closing an inlet and outlet of a coke carbonization furnace (C). (5) The holding arm member (1) is provided in the opening / closing side pressing direction, and the holding arm member (1) is provided via a rotation support shaft (11) arranged on the pressing direction axis of the holding arm member (1). It is characterized in that a hook arm member (7) that rotates and engages with (1) and a hook arm member rotation drive (13) fixed to the furnace lid (2) side of the frame (3) are connected to each other. Opening / closing lid for leveler installation on coal layer surface of coke carbonization furnace lid.