CN219279930U - Novel blast furnace on-line poking port device - Google Patents
Novel blast furnace on-line poking port device Download PDFInfo
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- CN219279930U CN219279930U CN202222736910.9U CN202222736910U CN219279930U CN 219279930 U CN219279930 U CN 219279930U CN 202222736910 U CN202222736910 U CN 202222736910U CN 219279930 U CN219279930 U CN 219279930U
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- tuyere
- poking
- sealing sleeve
- blast furnace
- valve
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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
- Y02P10/00—Technologies related to metal processing
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Abstract
The utility model discloses a novel blast furnace on-line tuyere poking device. Belongs to the technical field of blast furnace operation equipment in the metallurgical industry; the device comprises a tuyere cover plate, a short connecting pipe, a tuyere valve, a sealing sleeve, a cooling valve, a cooling gas receiving device, a rotary screw thread, a sealing gasket, a rotary nut, a poking rod and other devices, wherein the sealing nut is arranged in the device, no gap exists between the observation hole of the tuyere cover plate and the poking rod, so that high-pressure hot air cannot be blown out; in addition, the middle part of the 150mm seamless steel tube is provided with
One end of the short pipe is provided with a valve, and the high-pressure air is connected to cool the steel drill rod, so that the steel drill rod can be operated for a long time. The utility model is produced on line in a blast furnaceThe air port poking operation is convenient and applicable, which is beneficial to ensuring the safe production and reducing the labor intensity of operators; the device which can be applied to online tuyere poking operation in the blast furnace production process has wide application prospect; through production practice, in the online tuyere poking operation process, operation procedures are simplified, operation safety is improved, and a good use effect is achieved.
Description
Technical Field
The utility model belongs to the technical field of blast furnace operation equipment in the metallurgical industry, and relates to a novel blast furnace on-line tuyere poking device.
Background
In the existing blast furnace production process, in the online tuyere poking operation process, the risk is huge, in the operation process, the small tuyere cover plate is directly dismounted firstly, then a poking rod drill rod is manually inserted into an observation hole of the tuyere cover plate, and because a large gap exists between the small tuyere cover plate and the poking rod drill rod in the observation hole of the tuyere cover plate, the diameter of the small tuyere cover plate in the observation hole of the tuyere cover plate is larger than that of the poking rod drill rod
The poking rod drill rod is 36mm hexagonal steel drill rod, the hot blast with red hot slag in the blast furnace production process can blow out from the gap, the personal safety of a poking tuyere operator is directly threatened, the hexagonal steel drill rod can be quickly heated by the hot blast, the hexagonal steel drill rod is red and softened, the strength is lost, and the poking tuyere operation cannot be continued; therefore, the utility model is very necessary to invent a novel, convenient and reliable online air opening poking operation device.
Disclosure of Invention
The utility model aims to: the utility model aims to provide a novel blast furnace on-line tuyere poking device, which solves the problem that the blast furnace is very difficult to poke in the tuyere on-line operation process.
The technical scheme is as follows: the utility model relates to a novel blast furnace on-line tuyere poking device,
comprises a tuyere cover plate (1), a short connecting pipe (2), a tuyere valve (3), a sealing sleeve (4), a cooling valve (5), a cooling gas receiving device (6), a rotary threaded sealing sleeve (7), a rotary nut sealing sleeve (8), a rotary nut (9) and a poking rod (10),
the air port cover plate (1) is arranged at one side, a short connecting pipe (2) is arranged at one side of the air port cover plate (1),
an air port valve (3) is arranged at the other end of the short connecting pipe (2), a sealing and cooling device is arranged at the outer side of the air port valve (3), and a rotary nut (8) is sleeved at the other end of the sealing and cooling device.
Further, the sealing and cooling device comprises a sealing sleeve (4) and a cooling gas receiving device (6) arranged at the lower side of the sealing sleeve (4), and a cooling valve (5) is arranged between the sealing sleeve (4) and the cooling gas receiving device (6).
Further, one end of the sealing sleeve (4) penetrating through the rotary nut sealing sleeve (8) is provided with a rotary threaded sealing sleeve (7), and the other end of the rotary threaded sealing sleeve (7) is provided with a sealing gasket (8);
a poking rod (10) is arranged in the rotary nut sealing sleeve (8) in a penetrating way.
Further, the size of the junction pipe (2) is
The size of the tuyere valve (3) is +.>
Further, the sealing and cooling device is
A seamless steel pipe with the length of 150mm, one end of which is screwed with the +.>
The other end of the cooling valve (5) is externally connected with a rotary nut (9), and the end part of the rotary nut (9) is
Is a circular hole.
Further, the poking rod (10) is
Is a round poking rod steel drill rod.
The beneficial effects are that: compared with the prior art, the air port poking device has the characteristics of simple structure, reliable use and low manufacturing cost, is convenient and applicable when the blast furnace production is used for poking the air port on line, and is beneficial to ensuring safe production and reducing the labor intensity of operators; the device can be applied to online tuyere poking operation in the blast furnace production process, and has wide application prospect; through production practice, in the online tuyere poking operation process, the operation procedure is simplified, the operation safety is improved, the labor intensity of operators is reduced, and a good use effect is achieved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
wherein: the air port cover plate 1, the short connecting pipe 2, the air port valve 3, the sealing sleeve 4, the cooling valve 5, the cooling air receiving device 6, the rotary threaded sealing sleeve 7, the rotary nut sealing sleeve 8, the rotary nut 9 and the poking rod 10.
Detailed Description
The utility model will be further described with reference to the drawings and the specific embodiments.
As shown in the figure, the utility model relates to a novel device for online tuyere poking operation in the blast furnace production process; the specific steps are as follows: the device for poking the air port on line of the blast furnace is more suitable for a novel device for poking the air port on line in the current production process in front of the blast furnace
To the existing tuyere cover plate 1
Junction pipe 2 and->
The tuyere valve 3 is replaced with +.>
Junction pipe 2 and->
A tuyere valve 3, a sealing and cooling device (a sealing sleeve 4, a cooling valve 5 and a cooling gas connecting device 6) is arranged outside the tuyere valve 3, and the sealing and cooling device is +.>
A seamless steel pipe with the length of 150mm and one end of which is screwed with an external thread pipe>
The valve (cooling valve 5) is externally screwed with a sealing screw cap (rotating screw cap 9), and the end part of the screw cap (rotating screw cap 9) is +>
A sealing graphite packing washer (a rotary nut sealing sleeve 8) is arranged in the round hole, and a hexagonal poking rod steel drill (poking rod 10) is changed into +.>
Round poking bar steel chisel (poking bar 10), convenient sealing, and easy to be inserted>
The middle part of a seamless steel pipe with the length of 150mm is provided with +.>
One end of the short pipe is provided with a valve, high-pressure air is connected to play a role in cooling the steel rod, and when the air port is poked, the round poking rod steel rod can freely slide on the sealing screw cap to finish the air port poking operation.
The utility model solves the problem that the operation process of the blast furnace is very difficult in the online tuyere poking operation process; in addition, the utility model solves the problems that the hot air with high pressure mixed with red and hot slag can be blown out in the online tuyere poking operation process, the personal safety of tuyere poking operation personnel is directly threatened, and the hexagonal steel drill rod can be quickly heated by the hot air with high pressure, so that the hexagonal steel drill rod is red and softened, the strength is lost, the tuyere poking operation cannot be continued and the like.
The utility model is characterized in that: 1. a sealing nut is arranged, no gap exists between the observation hole of the tuyere cover plate 1 and the poking rod 10, so that high-pressure hot air cannot be blown out; 2. 150mm seamless steel pipe middle part is provided with
One end of the short pipe is provided with a valve, and the high-pressure air is connected to cool the steel drill rod, so that the steel drill rod can be operated for a long time.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the utility model without departing from the principles thereof are intended to be within the scope of the utility model as set forth in the following claims.
Claims (6)
1. The utility model provides a novel blast furnace discloses wind gap device on line which characterized in that:
comprises a tuyere cover plate (1), a short connecting pipe (2), a tuyere valve (3), a sealing sleeve (4), a cooling valve (5), a cooling gas receiving device (6), a rotary threaded sealing sleeve (7), a rotary nut sealing sleeve (8), a rotary nut (9) and a poking rod (10),
the air port cover plate (1) is arranged at one side, a short connecting pipe (2) is arranged at one side of the air port cover plate (1),
an air port valve (3) is arranged at the other end of the short connecting pipe (2), a sealing and cooling device is arranged at the outer side of the air port valve (3), and a rotary nut sealing sleeve (8) is sleeved at the other end of the sealing and cooling device.
2. The novel blast furnace on-line tuyere poking device according to claim 1, wherein:
the sealing and cooling device comprises a sealing sleeve (4) and a cooling gas connecting device (6) arranged at the lower side of the sealing sleeve (4), and a cooling valve (5) is arranged between the sealing sleeve (4) and the cooling gas connecting device (6).
3. The novel blast furnace on-line tuyere poking device according to claim 2, wherein:
one end of the sealing sleeve (4) penetrating through the rotary nut sealing sleeve (8) is provided with a rotary threaded sealing sleeve (7), and the other end of the rotary threaded sealing sleeve (7) is provided with the rotary nut sealing sleeve (8);
a poking rod (10) is arranged in the rotary nut sealing sleeve (8) in a penetrating way.
4. The novel blast furnace on-line tuyere poking device according to claim 1, wherein:
the dimensions of the junction pipe (2) are
The size of the tuyere valve (3) is +.>
。
5. The novel blast furnace on-line tuyere poking device according to claim 2, wherein:
the sealing and cooling device is
A seamless steel pipe with the length of 150mm, one end of which is screwed with the +.>
The other end of the cooling valve (5) is externally connected with a rotary nut (9), and the end part of the rotary nut (9) is +.>
Is a circular hole.
6. The novel blast furnace on-line tuyere poking device according to claim 1, wherein:
the poking rod (10) is
Is a round poking rod steel drill rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222736910.9U CN219279930U (en) | 2022-10-18 | 2022-10-18 | Novel blast furnace on-line poking port device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222736910.9U CN219279930U (en) | 2022-10-18 | 2022-10-18 | Novel blast furnace on-line poking port device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219279930U true CN219279930U (en) | 2023-06-30 |
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ID=86919112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222736910.9U Active CN219279930U (en) | 2022-10-18 | 2022-10-18 | Novel blast furnace on-line poking port device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219279930U (en) |
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2022
- 2022-10-18 CN CN202222736910.9U patent/CN219279930U/en active Active
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