CN214457767U - Bottom closed type coke oven top coal charging hole cover - Google Patents
Bottom closed type coke oven top coal charging hole cover Download PDFInfo
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- CN214457767U CN214457767U CN202022997593.7U CN202022997593U CN214457767U CN 214457767 U CN214457767 U CN 214457767U CN 202022997593 U CN202022997593 U CN 202022997593U CN 214457767 U CN214457767 U CN 214457767U
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Abstract
The utility model relates to a bottom closed coke oven top coal charging hole cover, which comprises a cover bottom, a flame-retardant heat-insulating material and a cover top, wherein the cover bottom is of a basin-shaped structure, the lower part is of an integrated closed structure, the upper part is of an open structure and is provided with an installation boss matched with the cover top, and the installation boss is provided with a plurality of installation threaded holes; the cover top is of a circular plate structure which is matched with the cover bottom, and a countersunk hole for mounting a bolt, which is matched with the cover bottom, is formed in the cover top; the cover bottom and the cover top are fastened together through bolts to form an inner cavity sealing structure; the flame-retardant heat-insulating material is filled in an inner cavity closed structure formed by the cover bottom and the cover top. The beneficial effects are as follows: the cover bottom and the cover top wrap the flame-retardant heat-insulating material, so that the flame-retardant heat-insulating material can be prevented from falling off and directly contacting with high-temperature flame of a coke oven carbonization chamber, the service life of the coal charging hole cover is prolonged, the use amount of the coal charging hole cover is reduced, the maintenance time for replacing the coal charging hole cover is shortened, labor and time are saved, and the cost is saved.
Description
Technical Field
The utility model relates to the technical field of coking coke oven equipment, in particular to a coal charging hole cover on the top of a coke oven with a closed bottom.
Background
At present, the structural form of the coal charging hole cover at the top of the domestic coke oven is basically that the top is closed, the bottom is open, flame-retardant heat-insulating materials are poured from the bottom, and the fire-retardant heat-insulating materials are integrated and used on line after the pouring materials are solidified. In the normal coking process, the coal charging hole cover is located on the coal charging hole seat, the lower part is a carbonization chamber, the temperature is about 1100 ℃, and the high-temperature flame directly bakes the castable at the bottom of the coal charging hole cover. During the coal charging operation, the cover lifting device of the coal charging car lifts the coal charging hole cover and moves away to charge coal, and after the coal charging operation is finished, the cover lifting device covers the coal charging hole cover on the coal charging hole seat. In the process, the cover uncovering device impacts the top of the coal charging hole cover, so that the inner castable easily falls off from the lower opening, the metal part can be burnt by high-temperature flame soon after the castable falls off, the hole sealing and blocking effect cannot be achieved, the service life cycle is short (about 6 months of average service life), the coal charging hole cover is large in using amount, frequent in replacement, labor is wasted, and the cost is increased.
SUMMERY OF THE UTILITY MODEL
For overcoming the prior art defect, the utility model provides a technical problem provides a closed coke oven furnace roof coal charge handhole door in bottom, wraps up fire-retardant thermal insulation material by the bottom of the lid and caping, can prevent that fire-retardant thermal insulation material from droing and direct and the contact of coke oven carbonization room high temperature flame, has improved coal charge handhole door life, has reduced coal charge handhole door use amount, has reduced and has changed coal charge handhole door maintenance time, and is laborsaving saving time, practices thrift the cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a bottom closed type coke oven top coal charging hole cover comprises a cover bottom, a flame-retardant heat-insulating material and a cover top, and is characterized in that the cover bottom is of a basin-shaped structure, the lower part of the cover bottom is of an integrally closed structure, the upper part of the cover bottom is of an open structure and is provided with a mounting boss matched with the cover top, and the mounting boss is provided with a plurality of mounting threaded holes; the cover top is of a circular plate structure which is matched with the cover bottom, and a countersunk hole for mounting a bolt, which is matched with the cover bottom, is formed in the cover top; the cover bottom and the cover top are fastened together through bolts to form an inner cavity sealing structure; the flame-retardant heat-insulating material is filled in an inner cavity closed structure formed by the cover bottom and the cover top.
Two concave square holes are formed in the upper portion of the cover top.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the utility model has a closed bottom, which can prevent high temperature flame from directly baking the castable and prevent the castable from falling off and burning the coal charging hole cover;
2) after the coal charging hole cover is used on line at one time, frequent flip inspection is not needed to find that the casting material is supplemented again after falling off;
3) the utility model discloses a fire-retardant thermal-insulated stability of coal-charging handhole door is high, has reduced the high temperature to metal construction and has toasted, increase of service life has reduced the maintenance cost.
Drawings
FIG. 1 is a schematic front view of the structure principle of the present invention;
fig. 2 is a schematic plan view of the structure principle of the present invention.
In the figure: 1-cover bottom 11-installation threaded hole 2-flame-retardant heat-insulating material 3-cover top 31-concave square hole 32-counter bore
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1-2, the coal charging hole cover of the bottom closed type coke oven top of the utility model comprises a cover bottom 1, a flame-retardant and heat-insulating material 2 and a cover top 3, wherein the cover bottom 1 is of a basin-shaped structure, the lower part of the cover bottom is of an integrated closed structure, the upper part of the cover bottom is of an open structure and is provided with an installation boss matched with the cover top 3, and the installation boss is provided with a plurality of installation threaded holes 11; the cover top 3 is a circular plate structure designed to be matched with the cover bottom 1, and a countersunk hole 32 for mounting a bolt matched with the cover bottom 1 is formed in the cover top 3; the cover bottom 1 and the cover top 3 are fastened together through bolts to form an inner cavity closed structure and form a coal charging hole cover with a closed bottom; the flame-retardant heat-insulating material 2 is filled in an inner cavity closed structure formed by the cover bottom 1 and the cover top 3, so that the flame-retardant heat-insulating material 2 can be prevented from falling off and directly contacting with high-temperature flame of a coke oven carbonization chamber, the service life of the coal charging hole cover is prolonged, the using amount of the coal charging hole cover is reduced, the maintenance time for replacing the coal charging hole cover is shortened, labor and time are saved, and the cost is saved.
Two concave square holes 31 are formed in the upper portion of the cover top 1, and an operator can conveniently and manually open the coal charging hole cover.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (2)
1. A bottom closed type coke oven top coal charging hole cover comprises a cover bottom, a flame-retardant heat-insulating material and a cover top, and is characterized in that the cover bottom is of a basin-shaped structure, the lower part of the cover bottom is of an integrally closed structure, the upper part of the cover bottom is of an open structure and is provided with a mounting boss matched with the cover top, and the mounting boss is provided with a plurality of mounting threaded holes; the cover top is of a circular plate structure which is matched with the cover bottom, and a countersunk hole for mounting a bolt, which is matched with the cover bottom, is formed in the cover top; the cover bottom and the cover top are fastened together through bolts to form an inner cavity sealing structure; the flame-retardant heat-insulating material is filled in an inner cavity closed structure formed by the cover bottom and the cover top.
2. The bottom-sealed coke oven top coal charging hole cover as claimed in claim 1, wherein the upper part of the cover top is provided with two concave square holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022997593.7U CN214457767U (en) | 2020-12-11 | 2020-12-11 | Bottom closed type coke oven top coal charging hole cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022997593.7U CN214457767U (en) | 2020-12-11 | 2020-12-11 | Bottom closed type coke oven top coal charging hole cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214457767U true CN214457767U (en) | 2021-10-22 |
Family
ID=78188859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022997593.7U Active CN214457767U (en) | 2020-12-11 | 2020-12-11 | Bottom closed type coke oven top coal charging hole cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214457767U (en) |
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2020
- 2020-12-11 CN CN202022997593.7U patent/CN214457767U/en active Active
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