KR102515767B1 - Door apparatus for coke oven - Google Patents

Abstract

The present invention relates to a door device for a coke oven, which includes a frame part installed at an inlet side of a carbonization chamber, a door part mounted on the frame part to seal the carbonization chamber, and rotatably installed on the front surface of the door part, A fixing part combined with the provided hook part to fix the door part to the frame part, a mounting guide part extending from the door part and interfering with the fixing part to guide the mounting of the door part to the frame part, and formed through the door part, It is characterized in that it includes a leveler guide that is installed on the back of the entrance and door through which the leveler beam is in and out and guides the entry and exit of the leveler beam.

Description

Door device for coke oven {DOOR APPARATUS FOR COKE OVEN}

The present invention relates to a door device for a coke oven, and more particularly, to a door device for a coke oven that seals a carbonization chamber during a carbonization operation of coal.

In general, a coke oven is a dry distillation device used to produce red-hot coke, which is an auxiliary material input into a blast furnace.

A combustion chamber and a carbonization chamber are alternately installed inside the coke oven, and door devices are installed on both sides of the carbonization chamber to open and close the carbonization chamber. Red-hot coke is produced by charging coal into the carbonization chamber of a coke oven and heating it for a certain period of time.

The background art of the present invention is disclosed in Republic of Korea Patent Publication No. 10-2004-0024033 (published on March 20, 2004, title of the invention: oven carbonization chamber door).

According to one embodiment of the present invention, it is to provide a door device for a coke oven that can be smoothly installed in a carbonization chamber and can prevent damage due to the accumulation of foreign substances.

In order to solve the above problems, a door device for a coke oven according to the present invention includes: a frame unit installed at the entrance of a carbonization chamber; and a door unit mounted on the frame unit to seal the carbonization chamber; and the door unit A fixing part rotatably installed on the front surface and coupled to a hook part provided in the frame part to fix the door part to the frame part; and, extending from the door part and interfering with the fixing part, the door part A mounting guide unit for guiding mounting to the frame unit; And, an entrance and exit unit formed through the door unit and through which the leveler beam enters and exits; and a leveler guide part installed on the rear surface of the door part and guiding entry and exit of the leveler beam.

In addition, the mounting guide part is fixed to the side surface of the door part and disposed to face the inner surface of the hook part; and is connected to the guide body, and is in contact with the inner surface of the hook part to wear the guide body. It includes; anti-abrasion part to prevent.

In addition, the guide body is formed to become narrower toward the rear surface of the door unit.

In addition, the anti-wear portion is rotatably connected to the guide body and comes into rolling contact with the inner surface of the hook portion.

In addition, the leveler guide portion is in contact with one side of the leveler beam, the collision prevention unit for preventing the leveler beam from colliding with the fireproof portion installed on the rear surface of the door unit; and an accumulation prevention unit contacting the other side of the leveler beam and preventing foreign substances from accumulating on the rear surface of the door unit.

In addition, the anti-collision unit may include a connecting unit detachably connected to a rear surface of the door unit; and a close contact portion extending from the connecting portion and being in close contact with an upper surface of the fireproof portion.

In addition, the contact portion is provided to have a greater width than the width of the connection portion.

In addition, the outer surface of the accumulation prevention part is disposed on the same plane as the rear surface of the door part.

In the door device for a coke oven according to the present invention, as the mounting guide guides the installation position and angle of the door unit, damage to equipment that may occur when the door unit collides with the frame unit or the fixing unit collides with the hook unit during the installation process of the door unit is prevented. can do.

In addition, in the door device for a coke oven according to the present invention, deformation of the hook due to collision between the guide body and the hook can be prevented by preventing the guide body from directly contacting the hook because the abrasion prevention unit is in rolling contact with the inner surface of the hook. And, it is possible to reduce replacement and repair costs due to abrasion of the guide body.

In addition, in the door device for a coke oven according to the present invention, as the leveler guide unit is provided to guide the movement of the leveler beam through the entrance and exit, more rapid and efficient leveling work can be performed.

In addition, the door device for a coke oven according to the present invention can prevent a leveler beam from directly colliding with the fireproof part by the anti-collision part, so that the life of the fireproof part can be extended, and the cost of maintenance and repair of the fireproof part can be reduced. can save

In addition, the door device for a coke oven according to the present invention prevents the formation of a structure in which foreign substances such as tar and carbon are easily accumulated on the rear surface of the door by the accumulation preventing part, thereby preventing damage to the door due to accumulation of foreign substances and leakage of gas to the outside can prevent

1 is an installation state diagram schematically showing an installation state of a door device for a coke oven according to an embodiment of the present invention.
2 is a perspective view schematically showing the configuration of a door device for a coke oven according to an embodiment of the present invention.
3 is a front view schematically showing the configuration of a door device for a coke oven according to an embodiment of the present invention.
4 is a side view schematically illustrating the configuration of a door device for a course oven according to an embodiment of the present invention.
5 is an enlarged view schematically illustrating an installation state of a mounting guide unit according to an embodiment of the present invention.
6 is a front view schematically showing the configuration of a mounting guide unit according to an embodiment of the present invention.
7 is an enlarged view schematically illustrating an installation state of a leveler guide unit according to an embodiment of the present invention.
8 is a perspective view schematically illustrating the configuration of a leveler guide unit according to an embodiment of the present invention.

Hereinafter, an embodiment of a door device for a coke oven according to the present invention will be described with reference to the accompanying drawings.

In this process, the thickness of lines or the size of components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, terms to be described later are terms defined in consideration of functions in the present invention, which may vary according to the intention or custom of a user or operator. Therefore, definitions of these terms will have to be made based on the content throughout this specification.

In addition, in this specification, when a part is said to be “connected (or connected)” to another part, this is not only the case where it is “directly connected (or connected)”, but also “with another member in between” It also includes cases where it is indirectly connected (or connected). In this specification, when it is said that a certain part "includes (or includes)" a certain component, this does not exclude other components unless otherwise stated, but "includes (or includes)" other components. It means you can.

Also, like reference numerals may refer to like elements throughout this specification. Even if the same reference numerals or similar reference numerals are not mentioned or described in a particular drawing, the numerals may be described based on another drawing. In addition, even if there are parts not marked with reference numerals in specific drawings, the parts can be described based on other drawings. In addition, the number, shape, size, and relative difference of the detailed components included in the drawings of the present application are set for convenience of understanding, and may be implemented in various forms without limiting the embodiments.

1 is an installation state diagram schematically showing an installation state of a door device for a coke oven according to an embodiment of the present invention.

Referring to FIG. 1, a door device 1 for a coke oven according to an embodiment of the present invention is a carbonization chamber for producing red-hot coke by carbonizing coal charged into an internal space through heat transmitted from a combustion chamber (not shown) ( 2), a charging machine (3) installed on the upper part of the carbonization chamber (2) to charge coal into the carbonization chamber (2), an extruder (4) for withdrawing red hot coke to the outside, and an extruder (4) It is installed in a coke oven facility composed of a transfer car (not shown) for moving the red-hot coke drawn out by the CDQ (Coke Dry Quenching).

More specifically, the door device 1 for the coke oven is detachably installed on both sides of the carbonization chamber 2 and serves to open or close the carbonization chamber 2 before and after carbonization of coal. The door device 1 for the coke oven may be mounted in the carbonization chamber 2 or separated from the carbonization chamber 2 by a door extractor provided on the moving cart together with the extruder 4.

Figure 2 is a perspective view schematically showing the configuration of a door device for a coke oven according to an embodiment of the present invention, Figure 3 is a front view schematically showing the configuration of a door device for a coke oven according to an embodiment of the present invention, Figure 4 is a side view schematically showing the configuration of a door device for a course oven according to an embodiment of the present invention.

Referring to FIG. 3 , a door device for a coke oven according to an embodiment of the present invention includes a frame part 100, a door part 200, a fixing part 300, a mounting guide part 400, an entrance part 500, It includes a leveler door part 600, a fireproof part 700, and a leveler guide part 800.

The frame unit 100 is installed on the inlet side of the carbonization chamber 2 to provide a space in which a door unit 200 to be described later can be mounted. The frame part 100 according to an embodiment of the present invention may include a door frame 110 and a hook part 120 .

The door frame 110 is formed in the shape of a hollow square frame and is disposed along the periphery of the front surface of the carbonization chamber 2 at the entrance side. The inner surface of the door frame 110 may be fixed to the entrance side wall of the carbonization chamber 2 by bolting or welding. The door frame 110 communicates with the inside of the carbonization chamber 2 through an empty space in the center.

The hook part 120 extends from the door frame 110 and is provided to be engaged with a fixing part 300 to be described later. Hook parts 120 according to an embodiment of the present invention may be provided as a pair on both sides of the door frame 110 . The hook part 120 extends vertically toward the front of the door frame 110 . One hook part 120 of the pair of hook parts 120 has a hooking groove formed at the upper end, and the other hook part 120 has a hooking groove formed at the lower end. Accordingly, the hook part 120 may be selectively engaged with the fixing part 300 by limiting the rotation range of the fixing part 300 to be described later and allowing it to be rotated to the other side at the same time. A pair of hook parts 120 may be provided in plural numbers and may be arranged to be spaced apart at predetermined intervals along the vertical direction of the door frame 110 .

The door unit 200 is detachably mounted to the frame unit 100 to seal the carbonization chamber 2 . The door unit 200 according to an embodiment of the present invention is formed in the form of a door having a rectangular cross-sectional shape. The door unit 200 is transported by the door extractor and disposed to face the front surface of the door frame 110 . The rear part of the door unit 200 is inserted into the central opening of the door frame 110 and adheres to the front or inner surface of the door frame 110 . Accordingly, a sealing plate (not shown) may be installed on the rear or side edge of the door unit 200 to be in close contact with the door frame 110 to prevent outflow of gas generated inside the carbonization chamber 2 during carbonization of coal. there is. The door unit 200 may be made of a casting material that is less subject to rapid cooling and rapid heating.

The fixing part 300 is rotatably installed on the front surface of the door part 200 . The fixing part 300 is engaged with the hook part 120 as it is rotated to one side to fix the door part 200 to the frame part 100 . The fixing part 300 according to an embodiment of the present invention may be formed in the form of a crossbar with both ends extending in different directions based on the central part. The central portion of the fixing part 300 is rotatably coupled to a rotating shaft extending vertically from the front surface of the door part 200 . As the fixing part 300 is rotated to one side around the axis of rotation, both ends are inserted into the catching grooves of the pair of hook parts 120, respectively, and engaged with the hook part 120. The fixing part 300 closely fixes the door part 200 to the frame part 100 by engaging with the hook part 120, so that the door part 200 moves in a direction separated from the frame part 100. limit A plurality of fixing parts 300 may be provided, and the plurality of fixing parts 300 may be spaced apart from each other at predetermined intervals in the vertical direction on the front surface of the door part 200 .

The mounting guide portion 400 extends from the door portion 200 and interferes with the fixing portion 300 to guide mounting of the door portion 200 to the frame portion 100 . More specifically, when the mounting guide part 400 is mounted on the frame part 100 in a state where the door part 200 is tilted or out of the installation position, it comes into contact with the fixing part 300 so that the door part 200 is fixed properly. Induce it to be placed in position. Accordingly, the mounting guide part 400 is equipment that may occur when the door part 200 collides with the frame part 100 or the fixing part 300 collides with the hook part 120 when the door part 200 is mounted. damage can be prevented.

5 is an enlarged view schematically illustrating an installation state of a mounting guide unit according to an embodiment of the present invention, and FIG. 6 is a front view schematically illustrating a configuration of a mounting guide unit according to an embodiment of the present invention.

Referring to FIGS. 5 and 6 , the mounting guide part 400 according to an embodiment of the present invention includes a guide body 410 and an anti-wear part 420 .

The guide body 410 is fixed to the side of the door unit 200 . When the door part 200 is mounted on the frame part 100, the guide body 410 is inserted between the inner surfaces of the pair of hook parts 120 and disposed to face the inner surfaces of the hook parts 120. The guide body 410 may be provided as a pair and fixed to both side surfaces of the door unit 200, respectively. The guide body 410 according to an embodiment of the present invention is formed to have a substantially "L" shaped cross section. The guide body 410 has one side disposed parallel to the side of the door unit 200 and the other side protruding in a direction perpendicular to the side of the door unit 200 . One side surface of the guide body 410 may come into contact with the side surface of the door unit 200 and be fixed to the side surface of the door unit 200 by bolting or welding. The width of the other side surface of the guide body 410 is formed to have a narrower width than the distance between the side surface of the door part 200 and the inner surface of the hook part 120 . Accordingly, the guide body 410 can be prevented from directly contacting the inner surface of the hook part 120 . The other side surface of the guide body 410 may be formed to become narrower toward the rear surface of the door unit 200 . Accordingly, the first insertion of the guide body 410 between the inner surfaces of the pair of hook parts 120 can be made more smoothly.

The wear prevention part 420 is connected to the guide body 410 and contacts the inner surface of the hook part 120 to prevent wear of the guide body 410 . The anti-wear portion 420 according to an embodiment of the present invention is formed to have a roller shape and is rotatably connected to the guide body 410 . The anti-wear unit 420 is rotatably installed in a direction perpendicular to the other side surface of the guide body 410 as an axis. Wear protection part 420 is arranged so that a portion of the side protrudes a predetermined distance outside the other side surface of the guide body (410). When the guide body 410 is inserted between the inner surfaces of the pair of hook parts 120, the anti-wear part 420 is in rolling contact with the inner surfaces of the hook parts 120 so that the door part 200 can be smoothly inserted. At the same time, the door part 200 is guided to be located in the correct installation position.

The entrance part 500 is formed through the door part 200 and provides a space through which the leveler beam 5 enters and exits. The leveler beam 5 is a structure that is inserted into the carbonization chamber 2 through the entrance 500 and performs a leveling process of flattening the upper surface of the coal charged inside the carbonization chamber 2, along the longitudinal direction. It may be formed in a beam shape in which a plurality of partitions are formed at regular intervals. The entrance part 500 according to an embodiment of the present invention may be disposed above the door part 200 and formed in the shape of a through hole vertically penetrating the front and rear surfaces of the door part 200 . The cross-sectional shape of the entrance part 500 can be variously changed within the technical idea of the shape corresponding to the cross-sectional shape of the leveler beam 5.

The leveler door unit 600 is rotatably coupled to the door unit 200 to open and close the entrance unit 500 . The leveler door unit 600 according to an embodiment of the present invention is rotatably installed on the upper front surface of the door unit 200 in the vertical direction through a hinge pin or the like. The leveler door part 600 is formed to have a wider width than the width of the entrance part 500 so as to completely close the entrance part 500 during a closing operation. The leveler door unit 600 may be opened and closed by a leveler door opening and closing device provided in the extruder 4 .

The fireproof unit 700 is installed on the rear surface of the door unit 200 to protect the door unit 200 from heat inside the carbonization chamber 2 . The fireproof unit 700 according to an embodiment of the present invention is formed in a block shape having a predetermined width, height, thickness, and area, and is fixed to the rear surface of the door unit 200 . The fireproof unit 700 is disposed inside the carbonization chamber 2 when the door unit 200 is mounted on the frame unit 100 . The material of the fireproof unit 700 may be made of various types of fireproof tiles such as ceramics that have low expansion and are resistant to high temperatures, or firebrick materials.

The leveler guide unit 800 is installed on the rear side of the door unit 200, and guides the leveler beam 5 to enter and exit the carbonization chamber 2 through the entrance and exit unit 500. The leveler guide part 800 is provided to prevent the leveler beam 5 from colliding with the fireproof part 700 installed on the rear surface of the door part 200 when the leveler beam 5 enters and exits. In addition, the leveler guide unit 800 is formed in a structure capable of minimizing the accumulation of foreign substances such as tar and carbon generated during the production of red-hot coke inside the carbonization chamber 2. Accordingly, the leveler guide unit 800 can prevent damage to the door unit 200 or leakage of gas due to accumulation of foreign substances on the rear surface of the door unit 200 .

Figure 7 is an enlarged view schematically showing the installation state of the leveler guide according to an embodiment of the present invention, Figure 8 is a perspective view schematically showing the configuration of the leveler guide according to an embodiment of the present invention.

Referring to FIGS. 7 and 8 , the leveler guide unit 800 according to an embodiment of the present invention includes a collision prevention unit 810 and an accumulation prevention unit 820 .

The anti-collision part 810 contacts one side of the leveler beam 5 and prevents the leveler beam 5 from colliding with the fireproof part 700 installed on the rear surface of the door part 200. More specifically, the anti-collision part 810 is disposed between the leveler beam 5 and the fireproof part 700 when the leveler beam 5 enters and exits, so that the leveler beam 5 directly contacts the fireproof part 700. prevent becoming

The anti-collision part 810 according to an embodiment of the present invention includes a connecting part 811 and a close contact part 812 .

The connection part 811 forms an exterior of one side of the anti-collision part 810 and is detachably connected to the rear surface of the door part 200 . The connection part 811 according to an embodiment of the present invention is formed in a bar shape having a substantially rectangular cross-section and is screwed into the rear surface of the door part 200 . The upper surface of the connection part 811 may be disposed on the same plane as the lower surface of the entrance part 500 so as not to interfere with the movement of the leveler beam 5 through the entrance part 500 .

The close contact part 812 extends from the connection part 811 to form the outer appearance of the other side of the anti-collision part 810 and adheres to the upper surface of the fireproof part 700 . The close contact part 812 according to an embodiment of the present invention may be formed in the form of a plate extending from the connection part 811 in a direction perpendicular to the rear surface of the door part 200 . The close contact portion 812 is disposed parallel to the upper side of the refractory portion 700 , and the lower side is in close contact with the upper side of the refractory portion 700 . When the leveler beam 5 is inserted, the upper side of the close contact part 812 is in contact with the lower side of the leveler beam 5 to guide the entry and exit of the leveler beam 5, and at the same time the leveler beam 5 is in contact with the fireproof portion 700. ) to prevent collisions. The contact portion 812 may be formed to have a greater width than the width of the connection portion 811 . Accordingly, the close contact portion 812 can be in contact with the leveler beam 5 over a wide area to more stably support the entry and exit of the leveler beam 5, and the fireproof portion 700 from the leveler beam 5 The applied load can be effectively distributed.

The accumulation prevention unit 820 contacts the other side of the leveler beam 5 and is provided to prevent foreign substances such as tar and carbon from accumulating on the rear surface of the door unit 200 . The anti-accumulation unit 820 according to an embodiment of the present invention may be formed to have a bar shape having a substantially rectangular cross-sectional shape. The accumulation prevention unit 820 is inserted into the rear surface of the door unit 200 and is detachably fixed to the rear surface of the door unit 200 by screws or the like. In this case, the outer surface of the accumulation prevention unit 820 may be disposed on the same plane as the rear surface of the door unit 200 . That is, the accumulation prevention unit 820 forms a flat surface with the rear surface of the door unit 200 . Accordingly, the accumulation prevention unit 820 prevents the formation of a curved structure on the rear side of the door unit 200 in which foreign substances are easily accumulated, thereby preventing damage to the door unit 200 due to accumulation of foreign substances and gas escaping from the door unit 200. leakage can be prevented. The lower surface of the accumulation preventing part 820 is in contact with the upper surface of the leveler beam 5 to guide the movement of the leveler beam 5 through the entrance part 500.

The present invention has been described with reference to the embodiments shown in the drawings, but this is only exemplary, and those skilled in the art can make various modifications and equivalent other embodiments. will understand

Therefore, the technical protection scope of the present invention should be determined by the claims below.

1: door device for coke oven 2: carbonization chamber
3: charging machine 4: extruder
5: leveler beam 100: frame part
110: door frame 120: hook part
200: door part 300: fixing part
400: mounting guide part 410: guide body
420: anti-wear part 500: entrance part
600: opening and closing part 700: fireproof part
800: leveler guide part 810: collision prevention part
811: connection part 812: contact part
820: accumulation prevention unit

Claims (8)

A frame unit installed on the inlet side of the carbonization chamber;
a door unit mounted on the frame unit to seal the carbonization chamber;
a fixing part rotatably installed on the front surface of the door part and coupled with a hook part provided in the frame part to fix the door part to the frame part;
a mounting guide part extending from the door part and interfering with the fixing part to guide mounting of the door part to the frame part;
an entry and exit portion formed through the door portion and through which a leveler beam enters and exits; and
A door device for a coke oven comprising a; leveler guide part installed on the rear surface of the door part and guiding entry and exit of the leveler beam.
According to claim 1,
The mounting guide part,
a guide body fixed to a side surface of the door unit and disposed to face an inner surface of the hook unit;
A door device for a coke oven, comprising: a wear prevention unit connected to the guide body and contacting the inner surface of the hook unit to prevent abrasion of the guide body.
According to claim 2,
The guide body is a door device for a coke oven, characterized in that the width is formed to become narrower toward the rear surface of the door unit.
According to claim 2,
The wear-resistant part is rotatably connected to the guide body, and the door device for a coke oven, characterized in that in rolling contact with the inner surface of the hook part.
According to claim 1,
The leveler guide part,
an anti-collision unit contacting one side of the leveler beam and preventing the leveler beam from colliding with a fireproof unit installed on a rear surface of the door unit; and
A door device for a coke oven, comprising: an accumulation prevention unit contacting the other side of the leveler beam and preventing foreign matter from accumulating on the rear surface of the door unit.
According to claim 5,
The anti-collision unit,
a connection part detachably connected to the rear surface of the door part; and
A door device for a coke oven, characterized in that it comprises a; contacting portion extending from the connection portion and closely adhering to the upper surface of the fireproof portion.
According to claim 6,
The door device for a coke oven, characterized in that the close portion is provided to have a width greater than the width of the connection portion.
According to claim 5,
The door device for a coke oven, characterized in that the outer surface of the accumulation prevention part is disposed on the same plane as the rear surface of the door part.

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