CN218025926U - Coke oven brick gas channel repairing and reproducing tool - Google Patents
Coke oven brick gas channel repairing and reproducing tool Download PDFInfo
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- CN218025926U CN218025926U CN202221998375.8U CN202221998375U CN218025926U CN 218025926 U CN218025926 U CN 218025926U CN 202221998375 U CN202221998375 U CN 202221998375U CN 218025926 U CN218025926 U CN 218025926U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The utility model relates to a repairing and reproducing tool for coke oven brick gas channel, which comprises a slurry conveying pipe, a temporary grouting pipe, an upper sealing structure and a lower sealing structure; the temporary grouting pipe is formed by connecting a plurality of sections of pipe sections, and each section of pipe section is provided with a slurry overflow hole; after the temporary grouting pipe extends into the brick gas channel, the upper end of the temporary grouting pipe is sealed with the brick gas channel through an upper sealing structure, the lower end of the temporary grouting pipe is connected with a grouting machine through a grout conveying pipe, and the grout conveying pipe is sealed with a basic top plate of the coke oven through a lower sealing structure. Adopt the repair and the reconstruction of damaged brick gas way can swiftly effectually be accomplished to the instrument, are favorable to reducing the blowby of rich gas in brick gas way, reduce the coking heat consumption of coke oven, prolong the life of coke oven.
Description
Technical Field
The utility model relates to a coke oven maintenance technical field especially relates to a coke oven brick gas duct repair and reproduction instrument.
Background
Jiao Luzhuan gas channel is arranged in the main wall of the regenerator and is built by a plurality of gas pipe bricks, and the gas channel is a channel for enabling rich gas to enter the combustion chamber from a gas main pipe of a coke oven basement when the rich gas is adopted for heating. Because the heat storage chamber is positioned at the lower part of the coke oven and alternately conducts the operations of introducing cold gas, air and discharging hot waste gas for heat exchange, the temperature at the bottom of the heat storage chamber is not only lower but also changes violently. Therefore, the brick gas channel can be damaged by normal factors of coke oven aging, and also can be damaged by abnormal factors such as untight sealing wall of the regenerator, loose or untight bell and spigot of the small flue, frequent change of a coke oven heating system, untimely and incomplete daily maintenance of the coke oven and the like, and finally influences the heat consumption and the service life of the coke oven in the coking production.
After the coke oven brick gas channel is damaged, the traditional repairing method mainly adopts a method of grouting the brick gas channel from a lower spray pipe and a method of inserting the pipe into the brick gas channel. For example, the system and the method for grouting and sealing the brick gas channel by the full slurry method of the coke oven gas lower nozzle disclosed in the Chinese utility model patent with the publication number of CN111363563A adopt the method for grouting the brick gas channel from the lower nozzle, and have the disadvantages of short slurry hanging time, poor repairing effect and incapability of effectively repairing the seriously damaged brick gas channel. The method for repairing the brick gas channel by inserting the pipe can greatly reduce the aperture of the brick gas channel (some apertures are even reduced by more than half), and seriously affect the rich gas distribution and further the production heating system of the coke oven.
Disclosure of Invention
The utility model provides a coke oven brick gas duct repair and reproduction instrument can swiftly effectually accomplish repair and reproduction of damaged brick gas duct, is favorable to reducing the blowby of rich gas in the brick gas duct, reduces the coking heat consumption of coke oven, prolongs the life of coke oven.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a repairing and reproducing tool for coke oven brick gas channel comprises a slurry conveying pipe, a temporary slurry pressing pipe, an upper sealing structure and a lower sealing structure; the temporary grouting pipe is formed by connecting a plurality of sections of pipe sections, and each section of pipe section is provided with a slurry overflow hole; after the temporary grouting pipe extends into the brick gas channel, the upper end of the temporary grouting pipe is sealed with the brick gas channel through an upper sealing structure, the lower end of the temporary grouting pipe is connected with a grouting machine through a grout conveying pipe, and the grout conveying pipe is sealed with a basic top plate of the coke oven through a lower sealing structure.
The sections of pipe joints are connected through threads, and the outer diameter of each pipe joint is 10-20 mm smaller than the diameter of the brick gas channel.
The slurry overflow holes on the pipe joints are transverse through holes with the diameter of 10-20 mm, and the slurry overflow holes on the adjacent 2 sections of pipe joints are arranged in a staggered mode at an angle along the circumferential direction.
The upper sealing structure consists of a conical sealing head, a high-temperature-resistant sealing ring and a sealing rope, the conical sealing head is a conical body with a large upper part and a small lower part, the high-temperature-resistant sealing ring is embedded in the upper part of the conical sealing head, and the lower part of the conical sealing head is connected with the uppermost pipe section of the temporary grouting pipe through threads; the outer wall winding of toper sealing head is a plurality of circles of sealed rope, and the wire rope handling hole is established at the middle part of toper sealing head, and the both ends of sealed rope stretch into in the interim mud jacking pipe from the wire rope handling hole.
The diameter of the large end of the conical sealing head is 5-10 mm smaller than the diameter of the brick gas channel.
The sealing rope is a refractory ceramic fiber rope.
The lower sealing structure consists of an embedded nut and a sealing plug; a lower spray pipe and an embedded nut are preset in a coke oven foundation top plate, and the lower spray pipe is used for a temporary grouting pipe and a grout conveying pipe to pass through; and a sealing plug is arranged on the pulp conveying pipe and is in sealing connection with the embedded nut.
And a refractory ceramic fiber rope is filled between the sealing plug and the embedded nut.
A rotary handle is arranged on the pulp conveying pipe below the basic top plate of the coke oven.
Compared with the prior art, the beneficial effects of the utility model are that:
1) The upper sealing structure adopts triple sealing, so that slurry is prevented from overflowing from the top of the conical sealing head and entering the bottom of the vertical flue during grouting; the lower sealing structure is sealed by adopting a sealing plug and a pre-embedded nut on a foundation top plate in a matching way, so that the sealing effect during grouting repair is ensured;
2) Not only can quickly and effectively seal the brick joints of the coke oven brick gas duct newly put into production and carry out daily maintenance on the coke oven brick gas duct after put into production, but also can effectively repair and reconstruct the seriously damaged brick gas duct;
3) The connecting part of the first layer of gas pipe bricks of the regenerator and the bottom paving bricks can be effectively sealed;
4) Through the repair and reconstruction of the brick gas passage, the leakage of rich gas in the brick gas passage is effectively reduced, the coking heat consumption of the coke oven is reduced, and the service life of the coke oven is prolonged.
Drawings
Fig. 1 is a schematic structural view (working state) of a repairing and reproducing tool for a coke oven brick gas channel according to the present invention.
In the figure: 1. temporary grouting pipe 2, conical sealing head 3, sealing plug 4, pipe joint 5, slurry overflow hole 6, high temperature resistant sealing ring 7, rope threading hole 8, rotary handle 9, sealing rope 10, brick gas channel 11, coke oven foundation top plate 12, embedded nut 13 and grout conveying pipe
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in figure 1, the repairing and reconstructing tool for coke oven brick gas channel of the utility model comprises a slurry conveying pipe 13, a temporary grouting pipe 1, an upper sealing structure and a lower sealing structure; the temporary grouting pipe 1 is formed by connecting a plurality of sections of pipe sections 4, and each section of pipe section 4 is provided with a slurry overflow hole 5; after the temporary grouting pipe 1 extends into the brick gas channel 10, the upper end of the temporary grouting pipe is sealed with the brick gas channel 10 through an upper sealing structure, the lower end of the temporary grouting pipe is connected with a grouting machine through a grout conveying pipe 13, and the grout conveying pipe 13 is sealed with a basic top plate 11 of the coke oven through a lower sealing structure.
The pipe sections 4 are connected through threads, and the outer diameter of each pipe section 4 is 10-20 mm smaller than the diameter of the brick gas channel 10.
The slurry overflow holes 5 on the pipe joints 4 are transverse through holes with the diameter of 10-20 mm, and the slurry overflow holes 5 on the adjacent 2 sections of pipe joints 4 are arranged in a staggered way at an angle along the circumferential direction.
The upper sealing structure consists of a conical sealing head 2, a high-temperature-resistant sealing ring 6 and a sealing rope 9, wherein the conical sealing head 2 is a conical body with a large upper part and a small lower part, the high-temperature-resistant sealing ring 6 is embedded in the upper part of the conical sealing head 2, and the lower part of the conical sealing head 2 is connected with the uppermost pipe section of the temporary grouting pipe 1 through threads; the outer wall winding of toper sealing head 2 is a plurality of circles sealing rope 9, and rope handling hole 7 is established at the middle part of toper sealing head 2, and sealing rope 9's both ends stretch into in the interim mud jacking pipe 1 from rope handling hole 7.
The diameter of the large end of the conical sealing head 2 is 5-10 mm smaller than the diameter of the brick gas channel 10.
The sealing rope 9 is a refractory ceramic fiber rope.
The lower sealing structure consists of an embedded nut 12 and a sealing plug 3; a lower spray pipe and an embedded nut 12 are preset in a coke oven foundation top plate 11, and the lower spray pipe is used for a temporary grouting pipe 1 and a grout conveying pipe 13 to pass through; the slurry conveying pipe 13 is provided with a sealing plug 3, and the sealing plug 3 is connected with the embedded nut 12 in a sealing way.
And a refractory ceramic fiber rope is filled between the sealing plug 3 and the embedded nut 12.
A rotary handle 8 is arranged on a pulp conveying pipe 13 below the coke oven base top plate 11.
When the repairing and reproducing tool for the coke oven brick gas channel is used, a closed space is formed among the temporary grouting pipe 1, the upper sealing structure and the lower sealing structure and the brick gas channel 10 with a specific height; the temporary grouting pipe 1 is formed by connecting a plurality of sections of pipe joints 4 through threads, and each section of pipe joint 4 is provided with a transversely-communicated slurry overflow hole 5. The slurry is pressed into the temporary grouting pipe 1 through the slurry conveying pipe 13 by the grouting machine under a specific pressure, enters the closed space through the plurality of slurry overflow holes 5 and is sintered.
In the upper sealing structure, the conical sealing head 2 and the temporary grouting pipe 1 adopt a split structure and are connected by threads. The top external diameter of the conical sealing head 2 is 5-10 mm smaller than the diameter of the brick gas channel 10, and the bottom external diameter is matched with the diameter of the temporary grouting pipe 1, so that the conical sealing head and the brick gas channel 10 form wedge-shaped section sealing. The secondary sealing is realized by the high-temperature resistant sealing ring 6, and the tertiary sealing is realized by winding the sealing rope 9. The conical sealing head 2 is provided with a rope threading hole 7, and a sealing rope 9 is introduced into the temporary grouting pipe from the rope threading hole 7. Through above-mentioned triple seal structure, mud spills over from the top of toper sealing head 2 and enters into the vertical flue bottom during effectively preventing the mud grouting.
The coke oven foundation top plate 11 is formed by pouring concrete, a lower spray pipe and an embedded nut 12 are embedded in advance when the coke oven is designed and constructed, the lower spray pipe is used for the temporary mud jacking pipe 1 and the mud conveying pipe 13 to pass through, a sealing plug 3 is arranged on the mud conveying pipe 13, the sealing plug 3 is matched with the embedded nut 12 in the coke oven foundation top plate 11 to realize sealing connection, and a gap between the sealing plug 3 and the embedded nut 12 can be filled with a refractory ceramic fiber rope to enhance the sealing performance of the joint.
The external diameter of each section of pipe joint 4 forming the temporary grouting pipe 1 is 10-20 mm smaller than the diameter of the brick gas channel 10, the diameter of the slurry overflow hole 5 on each section of pipe joint 4 is 10-20 mm, the slurry overflow holes 5 on the adjacent 2 sections of pipe joints 4 are staggered along the circumferential direction, and the preferred staggered angle is 90 degrees.
The rotary handle 8 is arranged on the grout conveying pipe 13 positioned outside the coke oven foundation top plate 11, and the temporary grouting pipe 1 can freely rotate in the brick gas channel 10 by rotating the rotary handle 8 in the grouting process and after slurry is sintered, so that the omnibearing grouting repair and reconstruction of the brick gas channel 10 within the 360-degree angle range are completed.
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 (9)
1. A repairing and reproducing tool for a coke oven brick gas channel is characterized by comprising a slurry conveying pipe, a temporary slurry pressing pipe, an upper sealing structure and a lower sealing structure; the temporary grouting pipe is formed by connecting a plurality of sections of pipe sections, and each section of pipe section is provided with a slurry overflow hole; after the temporary grouting pipe extends into the brick gas channel, the upper end of the temporary grouting pipe is sealed with the brick gas channel through an upper sealing structure, the lower end of the temporary grouting pipe is connected with a grouting machine through a grout conveying pipe, and the grout conveying pipe is sealed with a basic top plate of the coke oven through a lower sealing structure.
2. The tool for repairing and reconstructing a coke oven brick gas channel according to claim 1, wherein the plurality of pipe sections are connected by screw threads, and the outer diameter of each pipe section is 10-20 mm smaller than the diameter of the coke oven brick gas channel.
3. The tool for repairing and reconstructing the coke oven brick gas channel according to claim 1 or 2, wherein the slurry overflow holes on the pipe joints are transverse through holes with the diameter of 10-20 mm, and the slurry overflow holes on the adjacent 2 sections of pipe joints are arranged in a staggered way at an angle along the circumferential direction.
4. The repairing and reconstructing tool for the coke oven brick gas channel according to claim 1, wherein the upper sealing structure is composed of a conical sealing head, a high temperature resistant sealing ring and a sealing rope, the conical sealing head is a conical body with a large upper part and a small lower part, the high temperature resistant sealing ring is embedded in the upper part of the conical sealing head, and the lower part of the conical sealing head is connected with the uppermost pipe section of the temporary grouting pipe through threads; the outer wall winding of toper sealing head is a plurality of circles of sealed rope, and the wire rope handling hole is established at the middle part of toper sealing head, and the both ends of sealed rope stretch into in the interim mud jacking pipe from the wire rope handling hole.
5. The coke oven brick gas channel repairing and reconstructing tool as claimed in claim 4, wherein the diameter of the large end of the conical sealing head is 5-10 mm smaller than the diameter of the brick gas channel.
6. The repairing and reconstructing tool for a coke oven brick gas channel as claimed in claim 4, wherein the sealing rope is a refractory ceramic fiber rope.
7. The repairing and reconstructing tool for the coke oven brick gas channel according to claim 1, wherein the lower sealing structure is composed of a pre-embedded nut and a sealing plug; a lower spray pipe and an embedded nut are preset in a coke oven foundation top plate, and the lower spray pipe is used for a temporary grouting pipe and a grout conveying pipe to pass through; and a sealing plug is arranged on the pulp conveying pipe and is in sealing connection with the embedded nut.
8. The tool for repairing and reconstructing a coke oven brick gas channel according to claim 7, wherein a refractory ceramic fiber rope is further filled between the sealing plug and the embedded nut.
9. The tool for repairing and reconstructing a coke oven brick gas channel according to claim 1, wherein a rotary handle is arranged on a slurry conveying pipe below a top plate of a coke oven base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221998375.8U CN218025926U (en) | 2022-07-29 | 2022-07-29 | Coke oven brick gas channel repairing and reproducing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221998375.8U CN218025926U (en) | 2022-07-29 | 2022-07-29 | Coke oven brick gas channel repairing and reproducing tool |
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| Publication Number | Publication Date |
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| CN218025926U true CN218025926U (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221998375.8U Active CN218025926U (en) | 2022-07-29 | 2022-07-29 | Coke oven brick gas channel repairing and reproducing tool |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115353897A (en) * | 2022-07-29 | 2022-11-18 | 中冶焦耐(大连)工程技术有限公司 | Coke oven brick gas channel repairing and reproducing tool |
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2022
- 2022-07-29 CN CN202221998375.8U patent/CN218025926U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115353897A (en) * | 2022-07-29 | 2022-11-18 | 中冶焦耐(大连)工程技术有限公司 | Coke oven brick gas channel repairing and reproducing tool |
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