1. An ash isolating device for construction of checker bricks of a coke oven regenerator is characterized by comprising a sealing protection plate for construction of the checker bricks of the coke oven regenerator and an expandable sealing plate for sealing after the construction of the checker bricks is finished;

the sealing protection plate comprises a first covering layer, a skirt edge and a hinge device; the first covering layer comprises a first left covering plate and a first right covering plate which are arranged in a bilateral symmetry mode, and the skirt edges are arranged on the outer edges of the first left covering plate and the first right covering plate, which are in contact with the wall of the regenerator, respectively; the first left cover plate and the first right cover plate are connected through the hinge device, the relative positions of the first left cover plate and the first right cover plate can be adjusted, the first cover layer is switched between an expansion state and a contraction state, and when the first cover layer is in the expansion state, the skirt edges on two sides abut against the wall surfaces of the heat storage chambers on two sides to complete sealing; when the first covering layer is in a contraction state, the skirt edges on the two sides are separated from the wall surfaces of the heat storage chambers on the two sides, so that the first covering layer is convenient to detach;

the expandable sealing plate comprises a second covering layer, a skirt edge, a parallelogram link mechanism and a traction mechanism; the second covering layer comprises a second left covering plate and a second right covering plate which are arranged in a bilateral symmetry mode, and the skirt edges are arranged on the outer edges of the second left covering plate and the second right covering plate, which are in contact with the wall of the regenerator, respectively; the second left cover plate and the second right cover plate are connected through the parallelogram link mechanism, the traction mechanism is connected with the parallelogram link mechanism, the parallelogram link mechanism is adjusted through operating the traction mechanism, the second cover layer is switched between an expansion state and a contraction state, and when the second cover layer is in the expansion state, the skirt rims at two sides abut against the wall surfaces of the heat storage chambers at two sides to complete sealing; when the second covering layer is in a contraction state, the skirt edges on the two sides are separated from the wall surfaces of the heat storage chambers on the two sides, so that the second covering layer is convenient to disassemble.

2. The coke oven regenerator checker brick construction ash isolation device of claim 1, wherein the skirt is made of an elastic material with an L-shaped structure, the horizontal edge of the skirt is fixedly connected with the covering layer, the vertical edge of the skirt is used for abutting against the wall surface of the regenerator, and the upper opening of the vertical edge, which is not in contact with the wall surface of the regenerator, is provided with a bevel edge so that the thin opening naturally abuts against the wall surface to prevent ash from leaking to the wall gap.

3. The coke oven regenerator checker brick construction ash isolation apparatus of claim 2, wherein the side of the skirt where the vertical edge of the skirt does not contact the regenerator wall surface is further provided with a wave groove to increase the strength of the skirt and reduce the deformation in the length direction.

4. The coke oven regenerator checker brick construction ash isolation apparatus of claim 1, further comprising a sealing layer, wherein the sealing layer is a film, and the sealing layer is applied to the surface of the checker bricks or the surface of the blanket.

5. The coke oven regenerator checker brick construction ash isolation device of claim 1, wherein the seal protection plate further comprises a limiting plate and a pull ring; the limiting plate is rotatably arranged on the bottom surface and the upper surface of the first covering layer, when the first covering layer is in an expanded state, the limiting plate rotates to cover the first left covering plate and the first right covering plate simultaneously, and when the first covering layer is in a contracted state, the limiting plate rotates to cover only one side of the covering plate; the pull ring is arranged on the limiting plate on the upper surface, and the upper limiting plate and the lower limiting plate can be simultaneously rotated when the pull ring is pulled.

6. The coke oven regenerator checker brick construction ash isolation device of claim 1, wherein the first cover layer is provided with a plurality of upper rabbets and lower rabbets end to end respectively, and the upper rabbets and the lower rabbets of the adjacent first cover layers are connected end to end in a fitting manner.

7. The coke oven regenerator checker brick construction ash isolation apparatus as claimed in claim 1, wherein the parallelogram link mechanism comprises two pairs of first links arranged in bilateral symmetry, one side of each pair of first links is fixed on the left and right covering plates of the second covering layer by a pin shaft, the other side of each pair of first links is movably connected by a bolt, and the joints of the two pairs of first links are connected by the second links to form the link mechanism;

the traction mechanism comprises a bracket, a support, a handle, an opening and closing handle and a traction rope, the bracket is arranged at the end of the wall of the heat storage chamber, the support is convenient to fix, the support is arranged in the middle of the bracket, the handle is fixedly arranged on the support, the opening and closing handle is arranged on the handle, one end of the traction rope is fixed on the opening and closing handle, and the other end of the traction rope penetrates through the support to be connected with a second connecting rod of the parallelogram link mechanism; when the opening and closing handle is held, the second link rod is driven to move towards one side close to the traction mechanism, the included angle of the two first link rods is synchronously increased, so that the parallelogram link rod mechanism is in an expanded state, the skirt edge abuts against the wall surface of the regenerator, and otherwise, the parallelogram link rod mechanism is in a contracted state; the holding end of the handle is also provided with a limiting ring, when the opening and closing handle is held, the opening and closing handle is sleeved by the limiting ring, and the expansion state can be locked by the parallelogram link mechanism.

8. The coke oven regenerator checker brick construction ash isolation apparatus of claim 7, wherein a torsion spring is provided at a connection of the first link and the second cover plate through a pin, and when the first link is not pulled by the pulling mechanism, the second left cover plate and the second right cover plate are moved closer to each other toward the middle by the torsion spring.

9. The coke oven regenerator checker brick construction ash isolation device of claim 7, wherein a plurality of second cover layers are provided along the length of the regenerator, and adjacent cover layers are connected in series through a connector, so that the second cover layers can be recovered from the side of the furnace mouth uniformly when the engineering is finished; the parallelogram link mechanisms of the plurality of second covering layers are connected into a linkage whole through the second links and are driven by the traction mechanism in a unified mode.

10. The coke oven regenerator checker brick construction ash isolation device of claim 1, further comprising a slag removal port provided at the side of the fire door and at the coke side of the coke oven regenerator, wherein the slag removal port at one side is used for air intake, and ash is blown into the slag removal port at the other side for cloth bag dust removal.

Background

The oven wall of the coke oven regenerator and the checker bricks are alternately constructed, when the oven wall of the regenerator is built, the surface of the checker bricks is covered with a protective layer, and then the oven wall of the regenerator is built, so that ash and slag are easy to leak, and the heat storage effect of the coke oven during production is influenced. In addition, the ash contained in the covering layer at the top of the checker brick is difficult to collect, and a method for alternately constructing the checker brick and keeping the ash contained in the covering layer at the top of the checker brick clean needs to be researched and developed urgently to avoid the problems that the covering protective layer is not strictly leaked or too strictly unfavorable for disassembly and the covering protective layer at the top of the checker brick is difficult to clean from the side of the furnace mouth.

Disclosure of Invention

The invention aims to solve the technical problem that the defects of the prior art are overcome, and the ash isolating device for the construction of the checker bricks of the heat storage chamber of the coke oven is provided, so that the problems of ash leakage of the checker bricks of the heat storage chamber of the coke oven and difficulty in cleaning a protective layer on the tops of the checker bricks from the side of the oven opening are solved.

The technical scheme adopted by the invention for solving the technical problems is as follows:

an ash isolating device for construction of checker bricks of a coke oven regenerator comprises a sealing protection plate for construction of the checker bricks of the coke oven regenerator and an expandable sealing plate for sealing after the construction of the checker bricks is finished;

the sealing protection plate comprises a first covering layer, a skirt edge and a hinge device; the first covering layer comprises a first left covering plate and a first right covering plate which are arranged in a bilateral symmetry mode, and the skirt edges are arranged on the outer edges of the first left covering plate and the first right covering plate, which are in contact with the wall of the regenerator, respectively; the first left cover plate and the first right cover plate are connected through the hinge device, the relative positions of the first left cover plate and the first right cover plate can be adjusted, the first cover layer is switched between an expansion state and a contraction state, and when the first cover layer is in the expansion state, the skirt edges on two sides abut against the wall surfaces of the heat storage chambers on two sides to complete sealing; when the first covering layer is in a contraction state, the skirt edges on the two sides are separated from the wall surfaces of the heat storage chambers on the two sides, so that the first covering layer is convenient to detach;

the expandable sealing plate comprises a second covering layer, a skirt edge, a parallelogram link mechanism and a traction mechanism; the second covering layer comprises a second left covering plate and a second right covering plate which are arranged in a bilateral symmetry mode, and the skirt edges are arranged on the outer edges of the second left covering plate and the second right covering plate, which are in contact with the wall of the regenerator, respectively; the second left cover plate and the second right cover plate are connected through the parallelogram link mechanism, the traction mechanism is connected with the parallelogram link mechanism, the parallelogram link mechanism is adjusted through operating the traction mechanism, the second cover layer is switched between an expansion state and a contraction state, and when the second cover layer is in the expansion state, the skirt rims at two sides abut against the wall surfaces of the heat storage chambers at two sides to complete sealing; when the second covering layer is in a contraction state, the skirt edges on the two sides are separated from the wall surfaces of the heat storage chambers on the two sides, so that the second covering layer is convenient to disassemble.

In the above scheme, the shirt rim is the elastic material of L shape structure, and the horizontal limit of shirt rim and overburden fixed connection, vertical limit are used for supporting the regenerator wall, and vertical limit is equipped with the hypotenuse with the one side upper shed of regenerator wall contact not to the thin mouthful of wall of pasting tightly naturally, prevent the lime-ash to wall seam department seepage.

In the scheme, the side, not in contact with the wall surface of the regenerator, of the vertical edge of the skirt is also provided with the wave groove, so that the strength of the skirt is increased, and the deformation in the length direction is reduced.

In the above scheme, the isolation device further comprises a sealing layer, wherein the sealing layer is a thin film and is laid on the surface of the checker brick or the surface of the covering layer.

In the above scheme, the sealing protection plate further comprises a limiting plate and a pull ring; the limiting plate is rotatably arranged on the bottom surface and the upper surface of the first covering layer, when the first covering layer is in an expanded state, the limiting plate rotates to cover the first left covering plate and the first right covering plate simultaneously, and when the first covering layer is in a contracted state, the limiting plate rotates to cover only one side of the covering plate; the pull ring is arranged on the limiting plate on the upper surface, and the upper limiting plate and the lower limiting plate can be simultaneously rotated when the pull ring is pulled.

In the above scheme, the head and the tail of the first covering layer are respectively provided with an upper spigot and a lower spigot, the first covering layer is provided with a plurality of upper spigots and a plurality of lower spigots which are adjacent to each other and are in head-to-tail adaptive connection according to the length of the regenerator.

In the scheme, the parallelogram link mechanism comprises two pairs of first link rods which are arranged in a bilateral symmetry manner, one side of each pair of first link rods is respectively fixed on a left covering plate and a right covering plate of the second covering layer through pin shafts, the other side of each pair of first link rods is movably connected through bolts, and the joints of the two pairs of first link rods are connected through the second link rods to form the link mechanism;

the traction mechanism comprises a bracket, a support, a handle, an opening and closing handle and a traction rope, the bracket is arranged at the end of the wall of the heat storage chamber, the support is convenient to fix, the support is arranged in the middle of the bracket, the handle is fixedly arranged on the support, the opening and closing handle is arranged on the handle, one end of the traction rope is fixed on the opening and closing handle, and the other end of the traction rope penetrates through the support to be connected with a second connecting rod of the parallelogram link mechanism; when the opening and closing handle is held, the second link rod is driven to move towards one side close to the traction mechanism, the included angle of the two first link rods is synchronously increased, so that the parallelogram link rod mechanism is in an expanded state, the skirt edge abuts against the wall surface of the regenerator, and otherwise, the parallelogram link rod mechanism is in a contracted state; the holding end of the handle is also provided with a limiting ring, when the opening and closing handle is held, the opening and closing handle is sleeved by the limiting ring, and the expansion state can be locked by the parallelogram link mechanism.

In the scheme, the first link rod is provided with a torsion spring at the connecting part with the second covering layer through a pin shaft, and when the first link rod is not dragged by the traction mechanism, the second left covering plate and the second right covering plate are close to each other towards the middle under the action of the torsion spring.

In the scheme, a plurality of second covering layers are arranged along the length of the regenerator, and the adjacent covering layers are connected in series through the connectors, so that the second covering layers can be uniformly recovered from the side of a furnace mouth when the engineering is finished; the parallelogram link mechanisms of the plurality of second covering layers are connected into a linkage whole through the second links and are driven by the traction mechanism in a unified mode.

In the scheme, the isolation device further comprises slag removing holes arranged on the side of the furnace mouth of the regenerative chamber of the coke furnace and on the coke side, wherein the slag removing hole on one side is used for air inlet, and ash is blown into the slag removing hole on the other side for cloth bag dust removal.

The invention has the beneficial effects that:

1. the ash isolating device for the construction of the checker bricks of the regenerative chamber of the coke oven comprises a sealing protection plate and an expandable sealing plate, wherein the sealing protection plate is used for isolating ash when the furnace wall of the regenerative chamber of the coke oven and the checker bricks are alternately constructed, and the expandable sealing plate is used for isolating the ash in the space of the regenerative chamber continuously for several months after the construction of the checker bricks is finished. The whole device of the invention avoids the problems of the leakage of the checker brick ash in the heat storage chamber of the coke oven and the difficulty in cleaning the protective layer on the top of the checker brick from the side of the oven mouth.

2. The invention relates to a sealing protection plate for construction of checker bricks of a regenerative chamber of a coke oven, which mainly comprises first covering layers of left and right structures, wherein the bottom surfaces of the first covering layers are connected through hinges, the first covering layers can be unfolded or folded and can be quickly covered on the surfaces of the checker bricks, and elastic skirt edges are arranged on the outer edges of the first covering layers, which are in contact with the wall body of the regenerative chamber, so that ash residues are absolutely sealed. The first covering layer is provided with an upper seam allowance and a lower seam allowance end to end so that the covering layers can be connected end to end.

3. The expandable sealing plate comprises a second covering layer, a skirt edge, a parallelogram link mechanism and a traction mechanism, wherein the skirt edge is arranged on the outer edge of the second covering layer, which is in contact with the wall of a heat storage chamber, the second covering layer is of a left-right structure and is arranged in pairs and is connected through the parallelogram link mechanism, the traction mechanism is connected with the parallelogram link mechanism, the traction mechanism is operated to realize the expansion of the second covering layer, and the skirt edge abuts against the wall surfaces of the heat storage chamber on two sides to finish sealing.

4. The side of the furnace mouth of the coke oven heat accumulation chamber is provided with a deslagging port. Building a chute area on the wall of the regenerator, namely installing a deslagging port on each of the trapezoidal ports formed by the machine side of the coke oven and the oven port area at the coke side, and blowing ash into the deslagging port at the other side for bag-type dust removal.

Drawings

The invention will be further described with reference to the accompanying drawings and examples, in which:

FIG. 1 is a schematic view of a sealing protection plate of the ash isolating device for checker brick construction of a coke oven regenerator of the invention;

FIG. 2 is a schematic view of the structure of the single seal protection plate shown in FIG. 1;

FIG. 3 is a schematic illustration of the folding process of FIG. 2;

FIG. 4 is a schematic view of a combination of the plurality of seal protection plates shown in FIG. 1;

FIG. 5 is a schematic representation of the use of an expandable sealing plate of the coke oven regenerator checker brick construction ash isolation apparatus of the present invention;

FIG. 6 is a schematic view of the structure of a single expandable sealing plate shown in FIG. 5;

FIG. 7 is a schematic view of the combination of a plurality of expandable seal plates shown in FIG. 5.

In the figure: 100. sealing the protection plate; 10. a first cover layer; 11. a first left cover plate; 12. a first right cover plate; 13. an upper seam allowance; 14. a lower spigot; 20. a skirt edge; 31. a hinge; 32. a limiting plate; 33. a pull ring;

200. an expandable sealing plate; 210. a second cover layer; 211. a second left cover plate; 212. a second right cover plate; 40. a parallelogram linkage mechanism; 41. a first link; 42. a pin shaft; 43. a torsion spring; 44. a bolt; 45. a second link; 50. a traction mechanism; 51. a bracket; 52. a support; 53. a handle; 531. a limiting ring; 54. a handle is opened and closed; 55. a hauling rope; 56. a traction rope sleeve; 60. a connector; 70. a slag removal port.

Detailed Description

For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 7, the ash isolation device for coke oven checker brick construction according to a preferred embodiment of the present invention includes a sealing protection plate 100 for coke oven checker brick construction and an expandable sealing plate 200 for sealing after completion of checker brick construction.

As shown in fig. 1-4, the sealing protection plate 100 of the ash isolating device for the checker brick construction of the regenerative chamber of the coke oven is schematically shown in installation and structure, and is used for isolating the ash when the oven wall and the checker brick of the regenerative chamber of the coke oven are alternately constructed. The single seal protection plate 100 includes a first cover layer 10, a skirt 20, and a hinge means; the first covering layer 10 comprises a first left covering plate 11 and a first right covering plate 12 which are arranged in a bilateral symmetry mode, and the outer edges of the first left covering plate 11 and the first right covering plate 12, which are in contact with the wall of the regenerator, are provided with skirts 20; the first left cover plate 11 and the first right cover plate 12 are connected through a hinge device, the hinge device can adjust the relative position of the first left cover plate 11 and the first right cover plate 12, so that the first cover layer 10 is switched between an expanded state and a contracted state, and when the first cover layer 10 is in the expanded state, the skirts 20 on the two sides abut against the regenerator wall surfaces on the two sides to complete sealing; when the first covering layer 10 is in a contracted state, the skirts 20 at both sides are separated from the regenerator wall surfaces at both sides, so that the first covering layer 10 can be conveniently removed. The surface of the checker bricks or the first covering layer 10 is laid with a sealing layer (not shown) to prevent the slag from leaking from the folding gap between the first left covering plate 11 and the first right covering plate 12.

Further optimize, in this embodiment, shirt rim 20 is the elastic material of L shape structure, and the horizontal limit of shirt rim 20 is used for supporting regenerator wall through screw and first overburden 10 fixed connection, vertical limit, and vertical limit is equipped with the hypotenuse with one side upper shed of regenerator wall contact to the thin mouthful of wall that pastes tightly naturally, prevents the lime-ash to wall seam department seepage. The side of the vertical edge of the skirt 20, which is not in contact with the regenerator wall surface, is also provided with a wave groove to increase the strength of the skirt 20 and reduce the deformation in the length direction. The groove of the wave groove is convenient for the caking of the wet mud and the cleaning.

Preferably, in the present embodiment, the hinge means is a hinge 31, and the hinge 31 is disposed on the bottom surface of the first cover layer 10. The first cover layer 10 is lifted upward, and the width of the first cover layer 10 becomes small, facilitating removal.

Further preferably, the seal protection plate 100 further comprises a limit plate 32 and a pull ring 33. The position limiting plate 32 is disposed on the bottom surface and the upper surface of the first cover layer 10 and can rotate in the horizontal plane, when the first cover layer 10 is in the expanded state, the position limiting plate 32 can rotate to cover the first left cover plate 11 and the first right cover plate 12 at the same time, and when the first cover layer 10 is in the contracted state, the position limiting plate 32 rotates to cover only one side cover plate. Specifically, the limiting plate 32 is a large semicircular plate, and the straight edge of the large semicircular plate is aligned with the folded edge of the first covering layer 10 in the contracted state. The pull ring 33 is installed at the center of the limiting plate 32 on the upper surface and is connected with a side structure shaft of the first covering layer 10, the upper limiting plate 32 and the lower limiting plate 32 are connected with the pull ring 33 through a straight pin shaft, and the upper limiting plate 32 and the lower limiting plate 32 can be rotated simultaneously when the pull ring 33 is pulled. When the first covering layer 10 is tiled on the surface of the checker brick, the skirt edge 20 abuts against the wall surfaces of the heat storage chambers on two sides to realize sealing, and the pull ring 33 is pulled to enable the upper limiting plate 32 and the lower limiting plate 32 to clamp the first covering layer 10 so as to prevent the middle joint of the first covering layer 10 from being upwards arched under the constraint of the wall surface.

Further preferably, in this embodiment, the sealing layer is a thin film.

Further preferably, in this embodiment, the first cover layer 10 is provided with an upper spigot 13 and a lower spigot 14 at the head and the tail respectively, the first cover layer 10 is provided with a plurality of upper spigots 13 and lower spigots 14 according to the length of the regenerator, and the upper spigots 13 and the lower spigots 14 of the adjacent first cover layers 10 are connected end to end in a matching manner.

During the use, with the sealing layer full paving on the checker brick surface, then lay first overburden 10 in the regenerator from the fire door on the sealing layer, the top dead center 13 and the lower tang 14 end to end connection of adjacent first overburden 10, shirt rim 20 supports the regenerator wall face of both sides and can realize sealedly, builds a take the altitude when regenerator wall body, when needing to lay the checker brick in turn, clears up the lime-ash on first overburden 10 surface, can reverse operation, demolish first overburden 10 to the fire door direction one by one from the regenerator.

As shown in fig. 5-7, there are schematic views of the installation and structure of the expandable sealing plate 200 of the ash isolation device for checker brick construction in coke oven regenerators of the present invention for achieving ash isolation to the regenerator space several months after the checker brick construction. The single expandable sealing plate 200 includes a second cover layer 210, a skirt 20, a parallelogram linkage 40 and a traction mechanism 50. The structures of the second covering layer 210 and the skirt 20 are the same as those of the sealing protection plate 100, the second covering layer 210 comprises a second left covering plate 211 and a second right covering plate 212 which are arranged in bilateral symmetry, and the skirt 20 is arranged on the outer edges of the second left covering plate 211 and the second right covering plate 212, which are in contact with the wall of the regenerator; the second left cover plate 211 and the second right cover plate 212 are connected through a parallelogram link mechanism 40, the traction mechanism 50 is connected with the parallelogram link mechanism 40, the parallelogram link mechanism 40 is adjusted by operating the traction mechanism 50, the second cover layer 210 is switched between an expanded state and a contracted state, and when the second cover layer 210 is in the expanded state, the skirts 20 at two sides abut against the regenerator wall surfaces at two sides to complete sealing; when the second cover layer 210 is in the contracted state, the skirts 20 at both sides are separated from the regenerator wall surfaces at both sides, so that the second cover layer 210 can be conveniently removed. A sealing layer (not shown) is laid on the surface of the checker bricks or the second covering layer 210 to prevent ash from leaking into the checker bricks from the gap between the second left covering plate 211 and the second right covering plate 212.

Preferably, in the present embodiment, the parallelogram link mechanism 40 includes two pairs of first links 41 symmetrically arranged in left and right directions, one side of each pair of first links 41 is fixed on the left and right covering plates of the second covering layer 210 by pins 42, the other side of each pair of first links 41 is movably connected by bolts 44, and the joints of the two pairs of first links 41 are connected by second links 45 to form the link mechanism. The torsion spring 43 is disposed at the connection position of the first link rod 41 and the second cover layer 210 through the pin shaft 42, and when the first link rod 41 is not pulled by the pulling mechanism 50, the second left cover plate 211 and the second right cover plate 212 are drawn together towards the middle under the action of the torsion spring 43.

Further preferably, in the present embodiment, the pulling mechanism 50 is a bicycle braking system, and includes a bracket 51, a support 52, a handle 53, an opening/closing handle 54, a pulling rope sleeve 56 and a pulling rope 55. Bracket 51 is a batten longer than the width of the regenerator and abuts against the end of the regenerator wall to facilitate fixing support 52. The support 52 is of an h-shaped structure, a downward opening can be rapidly inserted into the bracket 51, and the support 52 is arranged in the middle of the bracket 51. The handle 53 is fixedly arranged at the bottom of the support 52, the opening and closing handle 54 is arranged on the handle 53, one end of the traction rope 55 is fixed on the opening and closing handle 54, and the other end of the traction rope passes through the support 52 and is connected with the second link 45 of the parallelogram link mechanism 40; the pulling rope 55 is sleeved in a pulling rope sleeve 56, the pulling rope sleeve 56 is fixed between the opening-closing handle 54 and the support 52, the length of the pulling rope sleeve 56 is smaller than that of the pulling rope 55, the lengths of the overlapped parts of the pulling rope 55 and the pulling rope sleeve 56 are against each other, so that when the opening-closing handle 54 is not held, the parallelogram link mechanism 40 is in a contracted state, and when the opening-closing handle 54 is held, the parallelogram link mechanism 40 is in an expanded state. When the opening and closing handle 54 is held, the second link rod 45 is driven to move towards the side close to the traction mechanism 50, the included angle of the two first link rods 41 is synchronously increased, so that the parallelogram link mechanism 40 is in an expanded state, and the skirt edge 20 abuts against the wall surface of the regenerative chamber; conversely, the parallelogram linkage 40 is in a contracted state. The holding end of the handle 53 is further provided with a limiting ring 531, when the opening and closing handle 54 is held, the limiting ring 531 sleeves the opening and closing handle 54, and the parallelogram link mechanism 40 can be locked in an expanded state.

Further preferably, in this embodiment, the second covering layers 210 are provided in plurality along the length of the regenerator, and the adjacent second covering layers 210 are connected in series through the connector 60, so as to facilitate uniform recovery from the furnace mouth side when the project is finished. The plurality of parallelogram link mechanisms 40 of the second cover layer 210 are integrally linked by the second links 45 and are collectively driven by the traction mechanism 50. Specifically, the connector 60 includes a connecting plate and two pins for quick insertion into the second cover layer 210.

Further preferably, in the embodiment, a deslagging port 70 is arranged on the side of the furnace mouth of the heat accumulation chamber of the coke furnace.

When the device is used, the closed layer is fully laid on the surface of a checker brick, the second covering layer 210 is laid on the surface of the closed layer, the bracket 51 of the traction mechanism 50 is placed at a height which is flush with the upper surface of the checker brick, the support 52 is inserted on the bracket 51, the second covering layer 210 is laid from the inside of the heat storage chamber to the outside, the adjacent second covering layers 210 are connected by the second connecting rod 45, the traction rope 55 of the traction mechanism 50 is connected with the parallelogram link mechanism 40 of the second covering layer 210 close to a furnace mouth, the opening and closing handle 54 is held, the parallelogram link mechanism 40 is in an expansion state, the skirt 20 is abutted against the wall surfaces of the heat storage chambers at two sides to complete sealing, then the limiting ring 531 at the holding end of the handle 53 is sleeved on the opening and closing handle 54, and the expansion state of the parallelogram link mechanism 40 is locked.

Building a chute area on the wall of the regenerator, namely installing a deslagging port 70 on each of the trapezoidal ports formed by the machine side of the coke oven and the oven port area at the coke side, feeding air into one side of the furnace, and blowing ash into the deslagging port 70 at the other side of the furnace for cloth bag dust removal.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.