CN212404138U - Blast furnace stave poling restoration connects - Google Patents
Blast furnace stave poling restoration connects Download PDFInfo
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- CN212404138U CN212404138U CN202021197858.9U CN202021197858U CN212404138U CN 212404138 U CN212404138 U CN 212404138U CN 202021197858 U CN202021197858 U CN 202021197858U CN 212404138 U CN212404138 U CN 212404138U
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Abstract
The utility model discloses a blast furnace stave poling repair connects, its characterized in that: the corrugated pipe type cooling wall comprises a main body connecting pipe, wherein one end of the main body connecting pipe is connected to a cooling wall cooling water pipe needing to be repaired in a welding mode, the other end of the main body connecting pipe is connected with an external water pipe through an external joint pipe, a corrugated pipe is arranged in the main body connecting pipe, and a connecting pipe branch pipe leading filler into the corrugated pipe is arranged on the main body connecting pipe. The utility model discloses joint is restoreed to blast furnace stave poling, simple structure can realize quick replacement and repair damage water pipe, has better application prospect.
Description
Technical Field
The utility model belongs to the technical field of steel, more specifically say, relate to a blast furnace stave poling restoration connects.
Background
After the water pipe of the cooling wall of the blast furnace leaks, the whole replacement of the cooling wall can be realized only by long-time furnace shutdown maintenance, so that the method for repairing the pipe penetrating inside the cooling water pipe by utilizing the short-term damping-down maintenance time is generally adopted by the blast furnace production maintenance of iron and steel enterprises when a small amount of water pipe of the cooling wall leaks or the long-time furnace shutdown maintenance preparation process for replacing the cooling wall.
However, most of the connection modes of the flexible metal corrugated pipe after pipe penetration and the external original cooling water pipe adopt a corrugated pipe mode (a corrugated pipe contraction interface (head) cannot be manufactured on a construction site) of field welding or customization with a corrugated pipe manufacturer and a fixed-length cold pressing joint. Because the flexible corrugated pipe has small thickness, the on-site welding construction has high difficulty, has long consumption and is difficult to ensure quality; and adopt the bellows mode of customization length area cold pressing joint, because different grade type blast furnace different position stave water pipe cooling water pipe length all inequality, lead to the length kind of the bellows of customization length area cold pressing joint various to different conditions of leaking, the length that damage degree stave worn the pipe is all inequality, the bellows mode of customization area cold pressing joint is unfavorable for the urgent nimble processing in scene.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems existing in the prior art and providing a blast furnace cooling wall pipe-through repairing joint which has simple structure and can realize the quick replacement and repair of damaged water pipes.
In order to realize the purpose, the utility model discloses the technical scheme who takes does: the provided blast furnace cooling wall pipe penetrating repair joint is characterized in that: the corrugated pipe type cooling wall comprises a main body connecting pipe, wherein one end of the main body connecting pipe is connected to a cooling wall cooling water pipe needing to be repaired in a welding mode, the other end of the main body connecting pipe is connected with an external water pipe through an external joint pipe, a corrugated pipe is arranged in the main body connecting pipe, and a connecting pipe branch pipe leading filler into the corrugated pipe is arranged on the main body connecting pipe.
In order to make the above technical solution more detailed and concrete, the present invention further provides the following preferable technical solution to obtain satisfactory practical effect:
the outer wall of one end of the main body connecting pipe, which is connected with the outer joint pipe, is provided with an external thread matched with the internal thread on the compression nut, and the compression nut is used for correspondingly connecting the outer joint pipe on the main body connecting pipe.
An outer joint sealing gasket is arranged between the main body connecting pipe and the outer joint pipe.
The inner diameter of the connecting end of the main body connecting pipe connected with the outer joint pipe is larger than that of the corrugated pipe penetrating pipe.
And an anti-falling clamp spring clamped at the end of the corrugated pipe is arranged on the step surface at the bottom of the connecting end of the outer joint pipe.
And a second sealing gasket is arranged on the anti-falling clamp spring.
And a sealing gland is connected in the connecting end of the outer joint pipe.
And a first sealing gasket is arranged between the sealing gland and the second sealing gasket.
And the connecting pipe branch pipe is connected with a stop valve.
Compared with the prior art, the utility model, have following advantage: the utility model discloses joint is restoreed to blast furnace stave poling, simple structure can realize quick replacement and repair damage water pipe, has better application prospect.
Drawings
The contents of the drawings and the reference numerals in the drawings of the present specification will be briefly described as follows:
FIG. 1 is a schematic view of a joint structure for repairing a pipe penetrating through a cooling wall of a blast furnace according to the present invention;
labeled as: 1. the main part connecting pipe, 2, connecting pipe branch pipe, 3, bellows, 4, gland, 5, gland, 6, external joint pipe, 7, the sealed pad of external joint, 8, first sealed pad, 9, the sealed pad of second, 10, anticreep jump ring.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
The utility model discloses a joint is restoreed to blast furnace stave poling, as shown in FIG. 1, including main part connecting pipe 1, the one end welded connection of main part connecting pipe 1 is on needing prosthetic stave condenser tube, and the other end passes through outer joint pipe 6 and connects external water pipe, is equipped with bellows 3 in the main part connecting pipe 1, is equipped with the connecting pipe branch pipe 2 of leading-in filler on the main part connecting pipe 1. One end of the main body connecting pipe 1 is connected with the thick wall of the cooling water pipe of the cooling wall to be repaired in a welding mode; after the quick connector is connected and finished, after the high-heat-conductivity filler is pressed in through the connecting pipe branch pipe 2, the space between the cooling water pipe is damaged by the main body connecting pipe 1 inside the metal corrugated pipe 3 and the original cooling wall, the corrugated pipe 3 can be cut off according to the use requirement, and quick replacement connection is realized.
The utility model discloses in, be equipped with on the one end outer wall that external joint pipe 6 was connected to main part connecting pipe 1 and go up interior screw-thread fit's external screw thread with gland nut 5, gland nut 5 corresponds external joint pipe 6 and connects on main part connecting pipe 1, and it is convenient fast to connect. An outer joint sealing gasket 7 is arranged between the main body connecting pipe 1 and the outer joint pipe 6. The outer joint seal 7 is used to seal the outer joint pipe 6 and the repaired stave cooling water inside the metal bellows 3.
In the utility model, as shown in fig. 1, the inner diameter of the connecting end of the main body connecting pipe 1 connected with the outer joint pipe 6 is larger than the inner diameter of the pipe penetrating of the corrugated pipe 3. An anti-falling clamp spring 10 clamped at the end part of the corrugated pipe 3 is arranged on the step surface at the bottom of the connecting end of the outer joint pipe 6. The metal corrugated pipe 3 cut off according to the actual length requirement on site is fixed by the anti-slip clamp spring so as to prevent the corrugated pipe from moving in the axial direction.
In the utility model, as shown in fig. 1, the anti-dropping clamp spring 10 is provided with a second sealing gasket 9. The connecting end of the outer joint pipe 6 is internally connected with a sealing gland 4. A first sealing gasket 8 is arranged between the sealing gland 4 and the second sealing gasket 9. The second sealing gasket 9 is a flexible sealing gasket with strong plasticity and is used for sealing the outer part of the metal corrugated pipe 3 and the inner wall of the main body connecting pipe 1; the first sealing gasket 8 is used for compressing the flexible second sealing gasket 9, isolating the rolled part at the cut part of the metal corrugated pipe 3 and the inner combined sealing gland 4 from wearing and damaging the second sealing gasket 9 in the compressing process.
In the utility model, as shown in fig. 1, the connecting pipe branch pipe 2 is connected with a stop valve for controlling the leading-in and closing of the filler.
The utility model discloses in, blast furnace stave repair method, its characterized in that includes the following step: step 1), cutting off a cooling water pipe of the cooling wall to be repaired, and respectively connecting two ends of the cooling water pipe with a pipe penetrating repair joint of the cooling wall; step 2), welding one end of a main body connecting pipe 1 of the cooling wall pipe penetrating repair joint on the end part of the cooling wall cooling water pipe; step 3), cutting off the corrugated pipe 3 according to the actual use length requirement on site, and limiting the end part of the corrugated pipe 3 by the anti-falling clamp spring 10; step 4), sequentially placing a second sealing gasket 9 and a first sealing gasket 8 into the other end of the main body connecting pipe 1, and installing a sealing gland 4; step 5), connecting the outer joint pipe 6 to the main body connecting pipe 1 through the compression nut 5; and 6), after the cooling wall pipe penetrating repair joint is installed, opening a stop valve on the connecting pipe branch pipe 2, and introducing filler between the main body connecting pipe 1 and the corrugated pipe 3.
The utility model discloses in, 4 screw threads of gland are screwed up and are connected to in the 1 link of main part connecting pipe.
The utility model relates to a blast furnace cooling wall pipe penetration repair joint, a main body connecting pipe 1 is connected with a cooling water pipe (thick wall) of a cooling wall to be repaired by adopting a welding mode; the connecting pipe branch pipe 2 is connected with an external stop valve, after the quick connector is connected, high-heat-conductivity filler is pressed in through the connecting pipe, and after the external stop valve is closed, the space between the cooling water in the metal corrugated pipe 3 and the cooling water pipe connecting pipe and the original cooling wall damage cooling water pipe is sealed; and the outer joint compression nut 5 is used for fixing the outer joint pipe 6 and the quick joint integrally.
The utility model discloses blast furnace stave poling repair connects and repairing method, with outer thick wall condenser tube welding and the flexible bellows of inlayer standard thin wall, cut off in a flexible way, quick fixation, fastening, sealed and connect outside condenser tube, adapt to the rigid requirement of external environment, improve equipment standardization guarantees technological method quality requirement, satisfies stave poling repair technological method and to the time of construction's strict ageing requirement.
The utility model discloses blast furnace stave poling restoration connects and repairing method, need not customize the bellows of special interface, and bellows length is according to the nimble adjustment of different stave water pipe length, and the construction is convenient. The joint is convenient for field installation, and is flexible and reliable. The fastening and sealing of the penetrated corrugated pipe, the sealing of the high heat conduction filler and the cooling water and the connection are completed at one time. The main body connecting pipe 1, the connecting pipe branch pipe 2 and the outer joint pipe 6 can be flexibly connected with an external pipeline according to the field mode (welding, quick connection and the like) of the cooling wall water pipe.
Because the short-term damping down maintenance of the blast furnace has strict time requirements, the pipe penetrating repair cooling wall water pipe needs a connection mode for flexibly connecting the flexible thin-wall corrugated pipe and the external cooling wall water pipe. The utility model discloses blast furnace stave poling restoration connects and repairing method, simple structure can realize quick replacement and repair the damage water pipe, has better application prospect.
The present invention has been described above with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, and various insubstantial improvements or direct applications to other applications can be achieved by using the method and technical solution of the present invention, which all fall within the protection scope of the present invention.
Claims (9)
1. The utility model provides a blast furnace stave poling restores and connects which characterized in that: the corrugated pipe type cooling wall comprises a main body connecting pipe, wherein one end of the main body connecting pipe is connected to a cooling wall cooling water pipe needing to be repaired in a welding mode, the other end of the main body connecting pipe is connected with an external water pipe through an external joint pipe, a corrugated pipe is arranged in the main body connecting pipe, and a connecting pipe branch pipe leading filler into the corrugated pipe is arranged on the main body connecting pipe.
2. The blast furnace stave threading repair connection of claim 1, wherein: the outer wall of one end of the main body connecting pipe, which is connected with the outer joint pipe, is provided with an external thread matched with the internal thread on the compression nut, and the compression nut is used for correspondingly connecting the outer joint pipe on the main body connecting pipe.
3. The blast furnace stave threading repair connection of claim 2, wherein: an outer joint sealing gasket is arranged between the main body connecting pipe and the outer joint pipe.
4. The blast furnace stave threading repair connection of any one of claims 1 to 3, wherein: the inner diameter of the connecting end of the main body connecting pipe connected with the outer joint pipe is larger than that of the corrugated pipe penetrating pipe.
5. The blast furnace stave threading repair connection of claim 4, wherein: and an anti-falling clamp spring clamped at the end of the corrugated pipe is arranged on the step surface at the bottom of the connecting end of the outer joint pipe.
6. The blast furnace stave threading repair connection of claim 5, wherein: and a second sealing gasket is arranged on the anti-falling clamp spring.
7. The blast furnace stave threading repair connection of claim 6, wherein: and a sealing gland is connected in the connecting end of the outer joint pipe.
8. The blast furnace stave threading repair connection of claim 7, wherein: and a first sealing gasket is arranged between the sealing gland and the second sealing gasket.
9. The blast furnace stave threading repair connection of claim 1, wherein: and the connecting pipe branch pipe is connected with a stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021197858.9U CN212404138U (en) | 2020-06-24 | 2020-06-24 | Blast furnace stave poling restoration connects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021197858.9U CN212404138U (en) | 2020-06-24 | 2020-06-24 | Blast furnace stave poling restoration connects |
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| CN212404138U true CN212404138U (en) | 2021-01-26 |
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| CN202021197858.9U Active CN212404138U (en) | 2020-06-24 | 2020-06-24 | Blast furnace stave poling restoration connects |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676336A (en) * | 2020-06-24 | 2020-09-18 | 芜湖新兴铸管有限责任公司 | Blast furnace cooling wall pipe penetrating repair joint and repair method |
-
2020
- 2020-06-24 CN CN202021197858.9U patent/CN212404138U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676336A (en) * | 2020-06-24 | 2020-09-18 | 芜湖新兴铸管有限责任公司 | Blast furnace cooling wall pipe penetrating repair joint and repair method |
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