CN107267167B - Protection device for fracture of cross brace at lower part of coke oven and use method of protection device - Google Patents
Protection device for fracture of cross brace at lower part of coke oven and use method of protection device Download PDFInfo
- Publication number
- CN107267167B CN107267167B CN201710598503.7A CN201710598503A CN107267167B CN 107267167 B CN107267167 B CN 107267167B CN 201710598503 A CN201710598503 A CN 201710598503A CN 107267167 B CN107267167 B CN 107267167B
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- cross brace
- brace
- protective baffle
- trunnion
- protective
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B29/00—Other details of coke ovens
- C10B29/08—Bracing or foundation of the ovens
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B29/00—Other details of coke ovens
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
Abstract
The invention relates to a protective device for the fracture of a cross brace at the lower part of a coke oven and a use method thereof, wherein the cross brace at the lower part of the coke oven is used for connecting a coke oven foundation and an oven post, and after the brace passes through the oven post, the end part of the brace is tensioned by a spring in a pressurizing way; the protective device comprises a protective baffle, a connecting plate, 2 trunnion foot seats and a connecting pin shaft, wherein the number of the trunnion foot seats is 2, and the trunnion foot seats are respectively arranged on two sides of the furnace column above the lower cross brace; the 2 trunnion foot seats are respectively hinged with one end of the connecting plate through a connecting pin shaft, the other end of the 2 connecting plates is respectively and fixedly connected with the two sides of the protective baffle plate, and the protective baffle plate and the connecting plates can integrally rotate around the connecting pin shaft; the guard flap is located outside the lower cross brace when it is rotated to the upright position. According to the invention, the corresponding protection device is arranged at the lower part of the coke oven column, so that the accident of hurting people caused by the fact that the cross brace at the lower part is popped up due to fracture can be avoided, and the rotary structure is adopted, so that the rotary coke oven column has the advantages of high protection safety, convenience in operation and no influence on the replacement and adjustment of the brace and the spring.
Description
Technical Field
The invention relates to the technical field of coke ovens, in particular to a protection device for fracture of cross braces at the lower part of a coke oven.
Background
The cross brace at the lower part of the coke oven is positioned at the lower part of the oven post, is connected with the coke oven foundation and the oven post and is matched with the cross brace at the upper part, the pressure can be adjusted by adjusting the compression amount of a spring of the lower part brace, and the pressure is transmitted to the coke oven through the oven post to protect the oven body. The lower cross brace is an important furnace protection device of the coke oven. In the production of the coke oven, the coke oven generates thermal expansion continuously, and the stress of the cross brace at the lower part is also changed continuously. If the alignment of the stay hole at the lower part of the furnace column and the reserved hole at the bottom of the coke oven foundation is not correct in the installation or use process, the lower cross brace can bear a large shearing force in the expansion and movement process of the furnace column along with the furnace body, and the influence of the brace manufacturing quality and the like exists, the danger that the lower cross brace pops up and hurts people exists, the lower cross brace faces a flue surface corridor, people are not avoided to pass through in production, and therefore huge potential safety hazards exist.
Disclosure of Invention
The invention provides a protective device for breakage of cross braces at the lower part of a coke oven and a use method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
a protection device for the fracture of cross braces at the lower part of a coke oven is characterized in that the cross braces at the lower part of an oven post are used for connecting a coke oven foundation and the oven post, and the ends of the cross braces at the lower part are stressed and tensioned through springs after the braces of the cross braces at the lower part penetrate through the oven post; the protective device comprises a protective baffle, a connecting plate, 2 trunnion foot seats and a connecting pin shaft, wherein the number of the trunnion foot seats is 2, and the trunnion foot seats are respectively arranged on two sides of the furnace column above the lower cross brace; the 2 trunnion foot seats are respectively hinged with one end of a connecting plate through a connecting pin shaft, the other end of the 2 connecting plates is respectively and fixedly connected with two sides of a protective baffle, and the protective baffle and the connecting plates can integrally rotate around the connecting pin shaft; the guard flap is located outside the lower cross brace when it is rotated to the upright position.
The middle part of the inner side of the protection baffle is provided with a sleeve, and when the protection baffle rotates to a vertical position, the center of the sleeve is aligned with the center of the lower cross brace.
The connecting plate has a crank arm structure.
And a limit stop is arranged below the corresponding connecting plate on the furnace column and is used for positioning when the connecting plate rotates to a vertical position outwards and downwards.
The use method of the protective device for the breakage of the cross brace at the lower part of the coke oven comprises the following steps:
1) After the lower cross brace is installed, respectively welding trunnion footstands at corresponding positions on the furnace column according to the distance of 2 hinge holes on the connecting plate and the size and the installation position of the protective baffle plate, and presetting hinge holes at corresponding hinge joint positions on the trunnion hinge base and the connecting plate;
2) Welding a sleeve at the central position of the protective baffle, enabling one side of the sleeve to face one side of the furnace column, respectively welding and fixing two sides of the protective baffle with 2 connecting plates, and then respectively hinging one ends of the 2 connecting plates, which are provided with hinging holes, on trunnion foot seats through connecting pin shafts;
3) After the installation, the protective baffle and the connecting plate are integrally rotated around the connecting shaft, the protective baffle is rotated to a vertical position, and the sleeve is just positioned at the outer side of the lower cross brace; after the adjustment is finished, welding a limit stop below the upper connecting plate of the furnace column;
4) After the steps are completed, the installation of the protection device is completed; if the cross brace at the lower part is suddenly broken, the brace and the spring cannot be popped out due to the existence of the protective baffle, so that the accident of hurting people is avoided;
5) When the brace and the spring need to be adjusted or replaced, the brace and the spring can be completely exposed only by rotating the protective baffle outwards and upwards around the connecting pin shaft, so that the adjustment or replacement operation of the brace and the spring is facilitated; after the adjustment or replacement is finished, the protective baffle is rotated to the outer side of the lower cross brace, and then the protective baffle can enter the protective state again.
Compared with the prior art, the invention has the beneficial effects that:
1) The external extending part of the brace is effectively protected, so that the accident that the lower cross brace breaks from any part to cause pop-up injury can be avoided;
2) The connecting plate and the trunnion base adopt a hinged structure, so that the operations of brace, spring adjustment and replacement are convenient;
3) The protection device has the advantages of reasonable design, simple structure and convenient installation, and is suitable for both new projects and reconstruction of built projects.
Drawings
Fig. 1 is a front view (protective state) of a protective device for a broken cross brace of a coke oven lower part according to the invention.
Fig. 2 isbase:Sub>A viewbase:Sub>A-base:Sub>A of fig. 1.
FIG. 3 is a second front view (in an adjusted state) of the device for preventing the breakage of the cross brace at the lower part of the coke oven according to the invention
In the figure: 1. coke oven foundation 2, oven column 3, lower cross brace 4, spring 5, trunnion foot stool 6, connecting pin 7, connecting plate 8, protective baffle 9, sleeve 10, limit stop
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in figures 1-2, the invention relates to a device for preventing the breakage of the cross brace at the lower part of a coke oven, the cross brace 3 at the lower part of an oven column 2 is used for connecting a coke oven foundation 1 with the oven column 2, and the end part of the cross brace 3 at the lower part is stressed and tensioned by a spring 4 after the brace passes through the oven column 2; the protection device comprises a protection baffle 8, a connecting plate 7, trunnion foot seats 5 and a connecting pin shaft 6, wherein the number of the trunnion foot seats 5 is 2, and the trunnion foot seats are respectively arranged at two sides of the furnace column 2 above the lower cross brace 3; the 2 trunnion foot seats 5 are respectively hinged with one end of a connecting plate 7 through a connecting pin shaft 6, the other end of the 2 connecting plates 7 is respectively and fixedly connected with two sides of a protective baffle plate 8, and the protective baffle plate 8 and the connecting plates 7 can integrally rotate around the connecting pin shaft 6; the guard flap 8 is located outside the lower cross brace 3 when it is rotated to the upright position.
The middle part of the inner side of the protective baffle 8 is provided with a sleeve 9, and when the protective baffle 8 rotates to a vertical position, the center of the sleeve 9 is aligned with the center of the lower cross brace 3.
The connecting plate 7 has a crank arm structure.
And a limit stop 10 is arranged on the furnace column 2 below the corresponding connecting plate 7 and used for positioning when the connecting plate 7 rotates to a vertical position towards the outer lower part.
The use method of the protective device for the fracture of the cross brace at the lower part of the coke oven comprises the following steps:
1) After the lower cross brace 3 is installed, respectively welding trunnion footstands 5 at corresponding positions on the furnace column 2 according to the distance of 2 hinge holes on the connecting plate 7 and the size and the installation position of the protective baffle 8, and pre-forming hinge holes at corresponding hinge points on the trunnion hinge bases 5 and the connecting plate 7;
2) Welding a sleeve 9 at the central position of a protective baffle 8, enabling one side of the sleeve 9 to face one side of a furnace column 2, respectively welding and fixing two sides of the protective baffle 8 with 2 connecting plates 7, and then respectively hinging one ends, provided with hinging holes, of the 2 connecting plates 7 on a trunnion base 5 through connecting pin shafts 6;
3) After installation, the protective baffle 8 and the connecting plate 7 are integrally rotated around the connecting shaft 6, the protective baffle 8 is rotated to a vertical position, and the sleeve 9 is just positioned at the outer side of the lower cross brace 3; after the adjustment is finished, a limit stop 10 is welded below the upper connecting plate 7 of the furnace column 2;
4) After the above steps are completed, the installation of the protection device is completed (as shown in fig. 1); if the lower cross brace 3 is suddenly broken, the brace and the spring 4 cannot be ejected outwards due to the existence of the protective baffle 8, so that the accident of hurting people is avoided;
5) When the brace and the spring 4 need to be adjusted or replaced, the brace and the spring 4 can be completely exposed (as shown in fig. 3) only by rotating the protective baffle 8 outwards and upwards around the connecting pin shaft 6, so that the adjustment or replacement operation of the brace and the spring 4 is facilitated; after the adjustment or replacement is completed, the protective baffle 8 is rotated to the outer side of the lower cross brace 3, and then the protective state can be entered again.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (4)
1. A use method of a protective device for the fracture of a cross brace at the lower part of a coke oven is characterized in that the cross brace at the lower part of an oven post is positioned at the lower part of the oven post and used for connecting a coke oven foundation with the oven post, and the end part of the cross brace at the lower part is stressed and tensioned through a spring after the cross brace of the cross brace at the lower part passes through the oven post; the device is characterized in that the protection device comprises a protection baffle plate, a connecting plate, trunnion foot seats and a connecting pin shaft, wherein the number of the trunnion foot seats is 2, and the trunnion foot seats are respectively arranged on two sides of the furnace column above the lower cross brace; the 2 trunnion foot seats are respectively hinged with one end of the connecting plate through a connecting pin shaft, the other end of the 2 connecting plates is respectively and fixedly connected with the two sides of the protective baffle plate, and the protective baffle plate and the connecting plates can integrally rotate around the connecting pin shaft; when the protective baffle rotates to the vertical state, the protective baffle is positioned outside the lower cross brace;
the use method of the protection device comprises the following steps:
1) After the lower cross brace is installed, respectively welding trunnion footstands at corresponding positions on the furnace column according to the distance of 2 hinge holes on the connecting plate and the size and the installation position of the protective baffle plate, and presetting hinge holes at corresponding hinge joint positions on the trunnion hinge base and the connecting plate;
2) Welding a sleeve at the central position of the protective baffle, enabling one side of the sleeve to face one side of the furnace column, respectively welding and fixing two sides of the protective baffle with 2 connecting plates, and then respectively hinging one ends of the 2 connecting plates, which are provided with hinging holes, on the trunnion foot seats through connecting pin shafts;
3) After the installation, the protective baffle and the connecting plate are integrally rotated around the connecting shaft, the protective baffle is rotated to a vertical position, and the sleeve is just positioned at the outer side of the lower cross brace; after the adjustment is finished, welding a limit stop below the upper connecting plate of the furnace column;
4) After the steps are completed, the installation of the protection device is completed; if the cross brace at the lower part is suddenly broken, the brace and the spring cannot be popped outwards due to the existence of the protective baffle, so that the accident of hurting people is avoided;
5) When the brace and the spring need to be adjusted or replaced, the brace and the spring can be completely exposed only by rotating the protective baffle outwards and upwards around the connecting pin shaft, so that the adjustment or replacement operation of the brace and the spring is facilitated; after the adjustment or replacement is completed, the protective baffle is rotated to the outer side of the lower cross brace, and then the protective baffle can enter the protective state again.
2. The method of claim 1, wherein the protective shield is provided with a sleeve in the middle of the inner side thereof, and the center of the sleeve is aligned with the center of the lower cross brace when the protective shield is rotated to the vertical position.
3. The method of using a guard against coke oven lower cross brace rupture as claimed in claim 1 wherein the web has a bell crank configuration.
4. The use method of the device for preventing the cross brace at the lower part of the coke oven from being broken as claimed in claim 1, wherein a limit stop is further arranged below the corresponding connecting plate on the oven post for positioning when the connecting plate rotates outwards and downwards to a vertical position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710598503.7A CN107267167B (en) | 2017-07-21 | 2017-07-21 | Protection device for fracture of cross brace at lower part of coke oven and use method of protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710598503.7A CN107267167B (en) | 2017-07-21 | 2017-07-21 | Protection device for fracture of cross brace at lower part of coke oven and use method of protection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107267167A CN107267167A (en) | 2017-10-20 |
| CN107267167B true CN107267167B (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710598503.7A Active CN107267167B (en) | 2017-07-21 | 2017-07-21 | Protection device for fracture of cross brace at lower part of coke oven and use method of protection device |
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| CN (1) | CN107267167B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109913248B (en) * | 2019-04-19 | 2023-11-14 | 华泰永创(北京)科技股份有限公司 | Furnace column device of heat exchange type two-section coke oven and adjusting method thereof |
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| BR9006133A (en) * | 1990-12-04 | 1992-08-04 | Minas Gerais Siderurg | MECHANICAL DEVICE FOR LOCKING METAL COLUMNS FROM COKE OVENS |
| EP0635649A1 (en) * | 1993-06-16 | 1995-01-25 | Legrand | Pivot assembly with a readjusting spring, its mounting procedure and application, especially for cases of electrical apparatus |
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| EP0635649A1 (en) * | 1993-06-16 | 1995-01-25 | Legrand | Pivot assembly with a readjusting spring, its mounting procedure and application, especially for cases of electrical apparatus |
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| CN107267167A (en) | 2017-10-20 |
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