CN210855983U - Coke jar cover of dry quenching hoister - Google Patents

Abstract

The utility model discloses a coke jar cover of a coke dry quenching hoister, which comprises a cover body, wherein a bowl-shaped bulge is arranged on the cover body, the bowl-shaped bulge is coaxial with the cover body, the distance between a refractory thermal insulation layer and the top of a hill-shaped coke pile in the coke jar is increased, the direct contact between the refractory thermal insulation layer and the coke pile is avoided, the inner side of the cover body is covered with the refractory thermal insulation layer, the refractory thermal insulation layer comprises a magnesium carbon brick layer positioned at the inner top of the cover body and a ceramic fiber module layer positioned around the magnesium carbon brick layer, a triangular prism-shaped coke splitting block is also arranged below the magnesium carbon brick layer, the coke splitting block is connected with the cover body through an anchoring part, the upper surface of the coke splitting block is tightly abutted against the lower surface of the magnesium carbon brick layer, the coke splitting block can destroy and stir the coke pile top in the falling process of the coke jar cover, so that a higher department in the center of the coke pile rolls down to move to, the two are matched, so that the compression damage of the refractory heat-insulating layer can be effectively prevented.

Description

Coke jar cover of dry quenching hoister

Technical Field

The utility model relates to a dry coke quenching lifting machine equips technical field, concretely relates to dry coke quenching lifting machine coke jar lid.

Background

The coke dry quenching hoister is responsible for lifting a coke tank filled with red hot coke to a dry quenching furnace mouth to be matched with a loading device, the coke is guided into the dry quenching furnace and quenched by inert mixed gas, in order to prevent the adverse effect of the high temperature of the red coke in the coke tank on the hoister and the phenomenon of dust flying, a coke tank cover matched with the coke tank is arranged on a hoister for dry quenching, but in the process of rotary coke receiving of the coke tank, the coke is distributed in the center of the coke tank to the surrounding by centrifugal force, so that a hillock shape with high center and low periphery is formed in a coke pile in the coke tank, sometimes the upper edge of the coke pile is higher than the upper edge of the coke tank, when the coke tank cover is closed, the lower edge of the coke tank cover is contacted with the upper edge of the coke tank, the blown coke pile often extrudes a heat insulation material at the center of the coke tank cover, the heat insulation material is easy to be damaged and fall off, the body of the coke tank cover, the replacement of the coke drum cover by professional workers of coke drum cover manufacturers is needed, so that the continuous and stable operation of the coke dry quenching hoister is not facilitated, the replacement of the damaged heat insulation material all the time is also a temporary solution and a permanent solution, and the production cost is also increased.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the background art, the utility model aims to provide a coke jar cover of dry quenching lifting machine, it has effectively solved the problem that exists among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a dry coke quenching lifting machine coke jar lid, includes the lid, the bowl form arch has on the lid, the bowl form arch with the lid is coaxial, the inboard of lid covers there is fire-resistant insulating layer, fire-resistant insulating layer is including the magnesium carbon brick layer that is located the inboard top of lid and being located magnesium carbon brick layer ceramic fiber module layer all around, the below on magnesium carbon brick layer still is provided with the branch burnt piece of three prism forms, divide burnt piece pass through anchor assembly with the lid links to each other and the upper surface of dividing burnt piece supports tightly the lower surface on magnesium carbon brick layer.

Further, at least two layers of ceramic fiber blankets are arranged between the ceramic fiber module layer and the cover body.

Furthermore, the coke distribution block is formed by pouring refractory materials.

Further, the refractory material is fire clay.

Further, anchor assembly includes the pre-buried many pairs of stock in the coke breeze block, corresponds to be provided with the diaphragm between the stock, the diaphragm with the lower surface of stock links firmly mutually, and the upper end of stock is worn out to the lid outside and the upper end of stock has screw thread portion, and the spiro union has set nut on the screw thread portion.

Furthermore, the bottom edge of the coke distribution block is provided with a wrapping edge, the wrapping edge comprises a V-shaped plate matched with the bottom edge of the coke distribution block and L-shaped plates which are respectively and integrally arranged on two sides of the V-shaped plate, and the L-shaped plates are pre-embedded into the coke distribution block.

Furthermore, the material of the wrapping edge is tungsten alloy.

The utility model discloses following beneficial technological effect has:

the cover body of the coke oven is provided with the bowl-shaped bulge, so that the distance between the fire-resistant heat-insulating layer and the top of the hill-shaped coke pile in the coke oven is increased, and the direct contact between the fire-resistant heat-insulating layer and the coke pile is avoided; in addition, the coke separating block can be destroyed and stir the coke stack top in the falling process of the coke tank cover, so that a higher department in the center of the coke stack rolls down to the lower part around to move, the extrusion of the fire-resistant heat-insulating layer at the top of the coke stack is further avoided, and the fire-resistant heat-insulating layer can be effectively prevented from being damaged by pressure due to the cooperation of the coke stack top and the fire-resistant heat-insulating layer, thereby being beneficial to the stable work of the dry.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B;

fig. 4 is a first schematic view of an operating state of the embodiment of the present invention;

fig. 5 is a schematic view of a second working state according to an embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, the coke drum cover of the coke dry quenching hoist in this embodiment includes a cover body 1, a bowl-shaped protrusion 2 is provided on the cover body 1, the bowl-shaped protrusion 2 is coaxial with the cover body 1, and preferably, the diameter of the bottom circle of the bowl-shaped protrusion 2 is three fifths to four fifths of the diameter of the inner wall of the coke drum 3, so as to ensure that the top bulge of the coke pile 4 is located within the vertical projection area of the bowl-shaped protrusion 2, the inner side of the cover body 1 is covered with a refractory insulation layer, which includes a magnesia carbon brick layer 5 located at the top of the inner side of the cover body 1 and a ceramic fiber module layer 6 located around the magnesia carbon brick layer 5, the ceramic fiber module layer 6 is fixed to a fixing bolt 7 welded on the cover body 1 by a nut, the specific installation structure and installation method thereof are the prior art, and will not be described herein again, a triple-prism coke, the cross section of branch burnt piece 8 is the downward isosceles triangle of apex angle, split branch coke heap 4 through the cooperation of apex angle and two hypotenuses, in order to avoid dividing burnt piece 8 to insert coke heap 4 and make lid 1 whereabouts resistance too big deeply, the lower edge of preferred branch burnt piece 8 is not less than the lower edge of lid 1, divide burnt piece 8 to link to each other and divide the upper surface of burnt piece 8 to support the lower surface of tight magnesia carbon brick layer 5 through anchor assembly and lid 1, magnesia carbon brick layer 5 is bigger than ceramic fiber module layer 6 compressive strength, so divide to be magnesia carbon brick layer 5 between burnt piece 8 and the lid 1, guarantee the positional stability of dividing burnt piece 8, still be provided with two-layer at least ceramic fiber blanket 9 between ceramic fiber module layer 6 and the lid 1, further increase lid 1's fire-proof heat-proof quality, divide burnt piece 8 to form by the pouring of refractory material, refractory material is the fireclay.

Anchor assembly is including pre-buried many pairs of stock 10 in dividing burnt piece 8, it is provided with diaphragm 11 to correspond between the stock 10, the lower surface welded connection of diaphragm 11 and stock 10, increase anchor assembly and the power of being connected of dividing burnt piece 8, the upper end of stock 10 is worn out and is had screw thread portion to the upper end of 1 outside of lid and stock 10, the spiro union has set nut 12 on screw thread portion 10, set nut 12's lower surface supports the protruding 2 outside of bowl form, the realization divides burnt piece 8 fixed.

Have bordure 13 on the bottom edge of branch burnt piece 8, bordure 13 include with the bottom edge matched with V shaped plate of branch burnt piece 8 with respectively the L shaped plate that an organic whole set up in V shaped plate both sides, L shaped plate buries in branch burnt piece 8 in advance, and the material of borduring 3 is tungsten alloy, and tungsten alloy high temperature resistance is excellent, can avoid the wearing and tearing of the 8 bottom edges of branch burnt piece of pouring through borduring 13 of tungsten alloy material.

The working process of the embodiment is as follows: taking the cover body 1 with the diameter of 4m as an example, the diameter of the bottom circle of the bowl-shaped bulge 2 is 3.2m, the width of the contact surface of the coke separating block 8 and the magnesia carbon brick layer 5 is 1m, the length and the height of the coke separating block 8 are respectively 2m and 40cm, and the volume of the coke separating block 8 per se is calculated to be 0.4m³The density of the common fire clay is 2t/m³The weight of the coke dividing block 8 is 0.8t, according to daily production experience, the coke tank 3 corresponding to the cover body 1 with the diameter of 4m and the whole weight of the contained coke are 15t-20t, therefore, the coke dividing block 8 can not increase too much burden for a dry quenching hoister, common dry quenching hoisters can still normally perform hoisting operation, during hoisting, the cover body 1 is aligned with the coke tank 3 to fall, when a hill-shaped bulged coke pile 4 exists in the coke tank 3, the coke dividing block 8 is firstly contacted with the coke pile 4, the triangular prism-shaped coke dividing block 8 is split and extrudes the coke pile 4 to two sides, the coke at the top of the coke pile 4 rolls to the lower part at the periphery to move, the projecting part of the high-rise coke pile 4 is prevented from propping against and extruding the refractory heat-insulating layer, and the distance between the refractory heat-insulating layer and the coke pile 4 is enlarged due to the bowl-shaped projection 2 on the cover body 1, thereby further ensuring the complete structure of the refractory heat-insulating layer, is beneficial to the long-term stable work of the dry quenching hoister.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (7)

1. The utility model provides a dry coke quenching lifting machine coke jar lid, includes the lid, its characterized in that, bowl form arch has on the lid, bowl form arch with the lid is coaxial, the inboard cover of lid has the refractory insulation layer, the refractory insulation layer is including the magnesium carbon brick layer that is located the inboard top of lid and being located magnesium carbon brick layer ceramic fiber module layer all around, the below on magnesium carbon brick layer still is provided with the burnt piece of branch of triangular prism form, divide burnt piece pass through anchor assembly with the lid links to each other and the upper surface of dividing burnt piece supports tightly the lower surface on magnesium carbon brick layer.

2. The dry quench elevator coke drum cover of claim 1, wherein at least two layers of ceramic fiber blankets are further disposed between the layers of ceramic fiber modules and the cover.

3. The dry quench elevator coke drum cover of claim 1, wherein the coke distribution blocks are cast from a refractory material.

4. The dry quench elevator coke drum cover of claim 3, wherein the refractory material is fireclay.

5. The coke drum cover of the dry quenching hoister as claimed in claim 1, wherein the anchoring part comprises a plurality of pairs of anchor rods embedded in the coke sub-blocks, transverse plates are arranged between corresponding anchor rods, the transverse plates are fixedly connected with the lower surfaces of the anchor rods, the upper ends of the anchor rods penetrate out of the cover body, the upper ends of the anchor rods are provided with thread parts, and positioning nuts are screwed on the thread parts.

6. The coke drum cover of the dry quenching hoister of claim 1, wherein the bottom edges of the coke distribution blocks are provided with covered edges, the covered edges comprise V-shaped plates matched with the bottom edges of the coke distribution blocks and L-shaped plates integrally arranged on two sides of the V-shaped plates respectively, and the L-shaped plates are pre-embedded into the coke distribution blocks.

7. The coke drum cover of the dry quenching elevator as claimed in claim 6, wherein the material of the overclad is tungsten alloy.

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