CN217578950U - Blast furnace cooling wall sealing device - Google Patents
Blast furnace cooling wall sealing device Download PDFInfo
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- CN217578950U CN217578950U CN202220949662.3U CN202220949662U CN217578950U CN 217578950 U CN217578950 U CN 217578950U CN 202220949662 U CN202220949662 U CN 202220949662U CN 217578950 U CN217578950 U CN 217578950U
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Abstract
The utility model provides a blast furnace cooling wall sealing device, which comprises a first sealing cover and a second sealing cover; the first sealing cover is covered at the joint of the cooling water pipe and the blast furnace wall, one end of the first sealing cover is hermetically connected with the furnace wall, and the other end of the first sealing cover is hermetically connected with the outer wall of the cooling water pipe; the second sealing cover is covered outside the first sealing cover, one end of the second sealing cover is connected with the furnace wall in a sealing mode, and the other end of the second sealing cover is connected with the outer wall of the cooling water pipe in a sealing mode. The utility model provides a blast furnace stave sealing device, only when the welding department, first sealed cowling and the second sealed cowling of oven and condenser tube all produced the leakage point, the coal gas leakage condition just can appear, greatly reduced the possibility of coal gas leakage.
Description
Technical Field
The utility model belongs to the field of smelting equipment, concretely relates to blast furnace stave sealing device.
Background
Blast furnace staves are important components of blast furnace cooling systems, and are typically fixed inside the blast furnace, and cooling water pipes are required to pass through the blast furnace walls to connect with external equipment.
At present, the joint of the cooling water pipe and the wall of the blast furnace is usually welded to achieve the sealing effect so as to avoid gas leakage in the blast furnace.
However, due to the process influence during the construction of the blast furnace and the influence of the long-time high-temperature and high-pressure production environment after normal operation, gas leakage points and gas leakage phenomena often occur at the welding positions of the furnace walls of the platforms at all the layers of the blast furnace and the cooling water pipes, and the gas leakage phenomena are limited by the ventilation environment of the blast furnace, so that the content of the gas of the platforms at all the layers of the blast furnace exceeds the standard, the hidden danger of gas poisoning exists, and the personal safety of operators at the relevant posts of the blast furnace is seriously threatened.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a blast furnace stave sealing device, aim at solving above-mentioned technical problem.
In order to achieve the above object, the utility model adopts the following technical scheme: provided is a blast furnace stave seal device comprising:
the first sealing cover is covered at the joint of the cooling water pipe and the wall of the blast furnace, one end of the first sealing cover is hermetically connected with the wall of the blast furnace, and the other end of the first sealing cover is hermetically connected with the outer wall of the cooling water pipe; and
and the second sealing cover covers the outer side of the first sealing cover, one end of the second sealing cover is connected with the furnace wall in a sealing manner, and the other end of the second sealing cover is connected with the outer wall of the cooling water pipe in a sealing manner.
In a possible implementation manner, the furnace wall sealing device further comprises a detection assembly, wherein the detection assembly is communicated with the inside of the second sealing cover and is used for detecting whether furnace gas leaks into the second sealing cover through the joint of the sequential cooling water pipe and the furnace wall and the first sealing cover.
In a possible implementation manner, the detection assembly comprises a pressure gauge, and the pressure gauge is connected with the second sealing cover in a sealing manner and is communicated with the inside of the second sealing cover.
In a possible implementation manner, the detection assembly comprises a gas detector, and the gas detector is connected with the second sealing cover in a sealing manner and is communicated with the inside of the second sealing cover.
In a possible implementation manner, the detection assembly comprises an air bag, and the air bag is connected with the second sealing cover in a sealing mode and is communicated with the interior of the second sealing cover.
In a possible implementation manner, two ends of the first sealing cover are respectively welded with the furnace wall and the outer wall of the cooling water pipe.
In a possible implementation manner, the second sealing cover comprises a connecting pipe and a cover body, the cover body comprises a first half cover and a second half cover, one end of the connecting pipe is connected with the furnace wall in a sealing mode, the first half cover and the second half cover are buckled on two sides of the connecting pipe and the cooling water pipe respectively to form the cover body, and two ends of the cover body are detachably connected with the connecting pipe and the cooling water pipe in a sealing mode.
In a possible implementation, the second sealed cowling still includes a plurality of bolt assembly, the both sides edge of first half cover is equipped with first flange, the both sides edge of the half cover of second is equipped with second flange, and is a plurality of bolt assembly lays the cover body both sides, every bolt assembly all passes in proper order first flange with second flange will first half cover with the half cover of second is connected.
In a possible implementation manner, the first half cover is provided with an installation pipe, one end of the installation pipe is connected with the detection assembly in a sealing manner, and the other end of the installation pipe is connected with the first half cover in a sealing manner.
In a possible implementation manner, the second sealing cover further includes a sealing gasket, and the sealing gasket is clamped between the first connecting flange and the second connecting flange.
The utility model provides a blast furnace stave sealing device's beneficial effect is: compared with the prior art, the blast furnace cooling wall sealing device provided by the utility model is provided with a first sealing cover and a second sealing cover, the first sealing cover is covered at the joint of the cooling water pipe and the blast furnace wall, one end of the first sealing cover is hermetically connected with the furnace wall, the other end of the first sealing cover is hermetically connected with the outer wall of the cooling water pipe, the second sealing cover is covered outside the first sealing cover, one end of the second sealing cover is hermetically connected with the furnace wall, and the other end of the second sealing cover is hermetically connected with the outer wall of the cooling water pipe; only when the welding part of the furnace wall and the cooling water pipe, the first sealing cover and the second sealing cover generate leakage points, the gas leakage condition can occur, and the possibility of gas leakage is greatly reduced.
Drawings
Fig. 1 is a schematic perspective view of a blast furnace stave seal provided in an embodiment of the present invention;
FIG. 2 is a schematic view of an explosion structure of a blast furnace stave sealing device according to an embodiment of the present invention;
description of the reference numerals:
10. a cooling water pipe; 11. a furnace wall; 20. a first seal cover; 30. a second seal cover;
31. a connecting pipe; 32. a first half cover; 33. a second half cover; 34. a bolt assembly;
35. installing a pipe; 36. a gasket; 40. and (6) detecting the component.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2 together, the sealing device for the cooling wall of the blast furnace according to the present invention will now be described. The blast furnace cooling wall sealing device comprises a first sealing cover 20 and a second sealing cover 30; the first sealing cover 20 covers the joint of the cooling water pipe 10 and the blast furnace wall 11, one end of the first sealing cover is hermetically connected with the furnace wall 11, and the other end of the first sealing cover is hermetically connected with the outer wall of the cooling water pipe 10; the second sealing cover 30 covers the outer side of the first sealing cover 20, one end of the second sealing cover is connected with the furnace wall 11 in a sealing mode, and the other end of the second sealing cover is connected with the outer wall of the cooling water pipe 10 in a sealing mode.
The blast furnace cooling wall sealing device provided by the embodiment has the beneficial effects that: compared with the prior art, the blast furnace cooling wall sealing device provided by the embodiment is provided with the first sealing cover 20 and the second sealing cover 30, the first sealing cover 20 covers the joint of the cooling water pipe 10 and the blast furnace wall 11, one end of the first sealing cover is connected with the furnace wall 11 in a sealing manner, the other end of the first sealing cover is connected with the outer wall of the cooling water pipe 10 in a sealing manner, the second sealing cover 30 covers the outer side of the first sealing cover 20, one end of the second sealing cover is connected with the furnace wall 11 in a sealing manner, and the other end of the second sealing cover is connected with the outer wall of the cooling water pipe 10 in a sealing manner; only when leakage points are generated at the welding part of the furnace wall 11 and the cooling water pipe 10 and at the first sealing cover 20 and the second sealing cover 30, the gas leakage condition can occur, and the possibility of gas leakage is greatly reduced.
As shown in fig. 1 and fig. 2, in a specific embodiment, the detection assembly 40 is further included, the detection assembly 40 is communicated with the inside of the second sealing cover 30, and is used for detecting whether furnace gas leaks into the second sealing cover 30 through the joint of the cooling water pipe 10 and the furnace wall 11 and the first sealing cover 20 in sequence, when gas leakage into the second sealing cover 30 is detected, that is, a leakage point is generated at the welding position of the furnace wall 11 and the cooling water pipe 10 and the first sealing cover 20, a worker is reminded to repair the welding position of the furnace wall 11 and the cooling water pipe 10 and the first sealing cover 20 in time, so that gas leakage is avoided after the second sealing cover 30 generates the leakage point, and the occurrence of gas leakage can be effectively avoided.
In a specific embodiment, the detection assembly 40 includes a pressure gauge, which is connected to the second sealing cap 30 in a sealing manner and communicates with the inside of the second sealing cap 30, and when the pressure of the pressure gauge increases, it indicates that gas has leaked into the second sealing cap 30.
In a specific embodiment, the detection assembly 40 comprises a gas detector, the gas detector is hermetically connected with the second sealing cover 30 and is communicated with the inside of the second sealing cover 30, and the gas detector has higher detection sensitivity.
In a specific embodiment, the detection assembly 40 comprises an air bag which is connected with the second sealing cover 30 in a sealing way and is communicated with the inside of the second sealing cover 30, and when gas leaks into the second sealing cover 30, the air bag expands to be detected by a worker so as to repair the welding part of the furnace wall 11 and the cooling water pipe 10 and the first sealing cover 20 in time.
In a specific embodiment, as shown in fig. 1 and 2, both ends of the first sealing cover 20 are respectively welded with the furnace wall 11 and the outer wall of the cooling water pipe 10; the second sealed cowling 30 includes the connecting pipe 31 and the cover body, the cover body includes half first cover 32 and half second cover 33, connecting pipe 31 one end and oven 11 sealing connection, half first cover 32 and half second cover 33 lock respectively in the both sides of connecting pipe 31 and cooling water pipe 10, form the cover body, the both ends of the cover body can dismantle sealing connection with connecting pipe 31 and cooling water pipe 10, be equipped with installation pipe 35 on half first cover 32, installation pipe 35 one end and detection component 40 sealing connection, the other end covers 32 sealing connection with half first.
It should be understood that, because the two ends of the cover body are detachably and hermetically connected to the connecting pipe 31 and the cooling water pipe 10, and the cover body is composed of the first half cover 32 and the second half cover 33, when the detecting assembly 40 detects that the gas leaks into the second sealing cover 30, the cover body can be directly detached to repair the first sealing cover 20, so that the operation is more convenient.
Specifically, the second sealing cover 30 further includes a plurality of bolt assemblies 34 and a sealing gasket 36, wherein a first connecting flange is arranged on two side edges of the first half cover 32, a second connecting flange is arranged on two side edges of the second half cover 33, the plurality of bolt assemblies 34 are arranged on two sides of the cover body, each bolt assembly 34 sequentially penetrates through the first connecting flange and the second connecting flange to connect the first half cover 32 and the second half cover 33, and the sealing gasket 36 is clamped between the first connecting flange and the second connecting flange.
Specifically, the bolt assembly 34 includes a bolt and a nut engaged with the bolt, and the gasket 36 is a high temperature-resistant rubber gasket.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A blast furnace stave seal apparatus comprising:
the first sealing cover is covered at the joint of the cooling water pipe and the blast furnace wall, one end of the first sealing cover is hermetically connected with the furnace wall, and the other end of the first sealing cover is hermetically connected with the outer wall of the cooling water pipe; and
and the second sealing cover covers the outer side of the first sealing cover, one end of the second sealing cover is connected with the furnace wall in a sealing manner, and the other end of the second sealing cover is connected with the outer wall of the cooling water pipe in a sealing manner.
2. The blast furnace stave seal device of claim 1 further comprising a sensing assembly in communication with the interior of the second seal housing for sensing whether furnace gases leak into the second seal housing through the junction of the sequential cooling water pipes with the furnace wall and the first seal housing.
3. The blast furnace stave seal of claim 2 wherein the detection assembly comprises a pressure gauge in sealed communication with the second seal housing and in internal communication with the second seal housing.
4. The blast furnace stave seal of claim 2 wherein the detection assembly comprises a gas detector sealingly connected to the second seal housing and in communication with an interior of the second seal housing.
5. The blast furnace stave seal of claim 2 wherein the detection assembly comprises a gas bladder sealingly connected to and in communication with the interior of the second seal housing.
6. The blast furnace stave seal device according to claim 2 wherein both ends of the first seal cap are welded to the furnace wall and the outer wall of the cooling water pipe, respectively.
7. The blast furnace stave seal device of claim 6 wherein the second seal cover comprises a connection pipe and a cover body, wherein the cover body comprises a first cover half and a second cover half, wherein the connection pipe is sealingly connected at one end to the furnace wall, and wherein the first cover half and the second cover half are respectively snap-fitted on both sides of the connection pipe and the cooling water pipe to form the cover body, and wherein both ends of the cover body are detachably and sealingly connected to the connection pipe and the cooling water pipe.
8. The blast furnace stave sealing apparatus of claim 7 wherein the second seal cover further comprises a plurality of bolt assemblies, wherein a first flange is provided on both side edges of the first half cover, a second flange is provided on both side edges of the second half cover, and a plurality of bolt assemblies are disposed on both sides of the cover body, each bolt assembly sequentially passing through the first flange and the second flange to connect the first half cover and the second half cover.
9. The blast furnace stave seal of claim 7 wherein the first half shell has a mounting tube thereon, the mounting tube having one end sealingly connected to the detection assembly and another end sealingly connected to the first half shell.
10. The blast furnace stave seal of claim 8 wherein the second seal housing further comprises a gasket sandwiched between the first and second attachment flanges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220949662.3U CN217578950U (en) | 2022-04-22 | 2022-04-22 | Blast furnace cooling wall sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220949662.3U CN217578950U (en) | 2022-04-22 | 2022-04-22 | Blast furnace cooling wall sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217578950U true CN217578950U (en) | 2022-10-14 |
Family
ID=83543624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220949662.3U Active CN217578950U (en) | 2022-04-22 | 2022-04-22 | Blast furnace cooling wall sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217578950U (en) |
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2022
- 2022-04-22 CN CN202220949662.3U patent/CN217578950U/en active Active
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