CN211311501U - Blast furnace air inlet device - Google Patents
Blast furnace air inlet device Download PDFInfo
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- CN211311501U CN211311501U CN201921885221.6U CN201921885221U CN211311501U CN 211311501 U CN211311501 U CN 211311501U CN 201921885221 U CN201921885221 U CN 201921885221U CN 211311501 U CN211311501 U CN 211311501U
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- blast furnace
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- air intake
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Abstract
The utility model discloses a blast furnace hot blast blowpipe apparatus, including the air-supply line, the air intake is installed to one side of air-supply line, the air-supply line outside is provided with the blast furnace outer wall, the union elbow is installed to the opposite side of air-supply line, the support link is all installed with one side of blast furnace outer wall to one side of union elbow, the spring tension bar is all installed to one side of union elbow's lower extreme and blast furnace outer wall, one side of union elbow runs through there is the viewing aperture, the outer surface mounting in upper end of union elbow has pipeline, the bellows compensator is installed to pipeline's upper end. A blast furnace hot blast blowpipe apparatus, can protect the bellows compensator, and then improve its life.
Description
Technical Field
The utility model relates to an air inlet device field, in particular to a blast furnace air inlet device.
Background
The blast furnace air inlet device is a connecting piece arranged between a blast furnace hot air surrounding pipe and a blast furnace tuyere, the blast furnace is arranged to convey high-pressure and high-heat air to the blast furnace, generally 4 to 5 air inlet devices are required to be arranged on each blast furnace, the highest air temperature required to be borne by the first air inlet device can reach 1200 ℃, and the top pressure design is generally 200-300 KPa; the existing blast furnace air inlet device has certain defects when in use, and the bellows compensator on the blast furnace air inlet device is easy to damage by conveying high-hot air, so that the phenomenon that the blast furnace air inlet device is damaged is caused, certain adverse effects are brought to practical use, and therefore the blast furnace air inlet device is provided.
SUMMERY OF THE UTILITY MODEL
The main object of the utility model is to provide a blast furnace air inlet device, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a blast furnace hot blast blowpipe apparatus, includes the air-supply line, the air intake is installed to one side of air-supply line, the air-supply line outside is provided with the blast furnace outer wall, the connection return bend is installed to the opposite side of air-supply line, the support pull rod is all installed to one side of connection return bend and one side of blast furnace outer wall, the spring tension bar is all installed to the lower extreme of connection return bend and one side of blast furnace outer wall, one side of connection return bend runs through there is the viewing aperture, the upper end surface mounting of connection return bend has pipeline, bellows compensator is installed to pipeline's upper end, wherein:
bellows compensator is including installing the lower part ring flange in pipeline's upper end, the upper end of lower part ring flange is provided with the bush, the inner wall department of bush is provided with lining when fire-resistant, the bellows is installed in the outside of bush, No. two solid fixed rings are installed in the outside of the bellows of the upper end surface of lower part ring flange, the upper end of bellows and the upper end of bush all are provided with the upper portion ring flange, No. one solid fixed ring is installed in the outside of the bellows of the lower extreme surface of upper portion ring flange, it has the ceramic fibre cotton to fill between bellows and the bush, the upper end surface of upper portion ring flange and the upper end surface of lower part ring flange all run.
Preferably, the outer surface of one side of the connecting elbow pipe is fixedly connected with the outer surface of one side of the air inlet through the air inlet pipe, a screw is arranged between the air inlet pipe and the air inlet, and the outer surface of one side of the air inlet is fixedly connected with the outer surface of one side of the air inlet pipe through the screw.
Preferably, the outer surface of the lower end of the corrugated pipe compensator is fixedly connected with the outer surface of the upper end of the connecting bent pipe through a conveying pipeline, a soldering lug is arranged between the conveying pipeline and the connecting bent pipe, and the outer surface of the lower end of the conveying pipeline is fixedly connected with the outer surface of the upper end of the connecting bent pipe through the soldering lug.
Preferably, a welding wire is arranged between the connecting bent pipe and the air inlet pipe, and the outer surface of one side of the connecting bent pipe is fixedly connected with the outer surface of the other side of the air inlet pipe through the welding wire.
Preferably, a bolt is arranged between the support pull rod and the outer wall of the blast furnace, and the outer surface of one side of the support pull rod is fixedly connected with the outer surface of one side of the outer wall of the blast furnace through the bolt.
Compared with the prior art, the utility model discloses following beneficial effect has: because of being provided with the bellows compensator, so can through the bush of inwards setting respectively from upper portion ring flange and lower part ring flange and establish the lining during fire-resistant in the bush, prevented intraductal hot-blast to the bellows flow effectively, and then also can further prevent hot-blast flow through the ceramic fiber cotton who establishes in the bellows, the ceramic fiber cotton has good heat-proof quality, thermal conduction can be obstructed effectively, certain elasticity and compressibility have again simultaneously, thereby can satisfy the requirement of inflation volume and regulating variable, the phenomenon that the bellows damaged because of carrying the higher hot-blast of heat, thereby reach its benefit of protecting the bellows compensator, and then reach its benefit that improves life, the effect of use is better for traditional mode.
Drawings
FIG. 1 is a sectional view of a blast furnace air intake device of the present invention;
fig. 2 is a sectional view of the bellows compensator of the blast furnace air intake device of the present invention.
In the figure: 1. an air inlet pipe; 2. an air inlet; 3. the outer wall of the blast furnace; 4. a support pull rod; 5. a spring tension rod; 6. connecting a bent pipe; 7. a viewing port; 8. a delivery conduit; 9. a bellows compensator; 91. an upper flange; 92. a bushing; 93. a refractory time lining; 94. a first fixing ring; 95. a second fixing ring; 96. A bellows; 97. a threaded post; 98. a lower flange; 99. ceramic fiber cotton.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-2, a blast furnace air intake device comprises an air intake pipe 1, an air intake 2 is installed at one side of the air intake pipe 1, a blast furnace outer wall 3 is arranged at the outer side of the air intake pipe 1, a connecting bent pipe 6 is installed at the other side of the air intake pipe 1, a supporting pull rod 4 is installed at one side of the connecting bent pipe 6 and one side of the blast furnace outer wall 3, a spring tension rod 5 is installed at the lower end of the connecting bent pipe 6 and one side of the blast furnace outer wall 3, an observation port 7 penetrates through one side of the connecting bent pipe 6, a conveying pipeline 8 is installed at the outer surface of the upper end of the connecting bent pipe 6, and a corrugated pipe compensator 9:
the corrugated pipe compensator 9 comprises a lower flange 98 arranged at the upper end of a conveying pipeline 8, a bushing 92 is arranged at the upper end of the lower flange 98, a fireproof time lining 93 is arranged on the inner wall of the bushing 92, a corrugated pipe 96 is arranged at the outer side of the bushing 92, a second fixing ring 95 is arranged at the outer side of the corrugated pipe 96 on the outer surface of the upper end of the lower flange 98, upper flanges 91 are arranged at the upper ends of the corrugated pipe 96 and the bushing 92, a first fixing ring 94 is arranged at the outer side of the corrugated pipe 96 on the outer surface of the lower end of the upper flange 91, ceramic fiber cotton 99 is filled between the corrugated pipe 96 and the bushing 92, threaded columns 97 penetrate through the outer surface of the upper end of the upper flange 91 and the outer surface of the upper end of the lower flange 98, the threaded columns 97 play a fixing role, the lower flange 98 and the upper flange 91, the ceramic fiber wool 99 plays a role of insulation.
The outer surface of one side of the connecting bent pipe 6 is fixedly connected with the outer surface of one side of the air inlet 2 through the air inlet pipe 1, a screw is arranged between the air inlet pipe 1 and the air inlet 2, the outer surface of one side of the air inlet 2 is fixedly connected with the outer surface of one side of the air inlet pipe 1 through the screw, the screw plays a role in fixing the air inlet pipe 1 and the air inlet 2 together, and the air inlet pipe 1 and the air inlet 2 play a role in conveying.
The outer surface of the lower end of the corrugated pipe compensator 9 is fixedly connected with the outer surface of the upper end of the connecting bent pipe 6 through the conveying pipeline 8, a soldering lug is arranged between the conveying pipeline 8 and the connecting bent pipe 6, the outer surface of the lower end of the conveying pipeline 8 is fixedly connected with the outer surface of the upper end of the connecting bent pipe 6 through the soldering lug, the conveying pipeline 8 plays a role in conveying connection, and the soldering lug plays a role in welding the conveying pipeline 8 and the connecting bent pipe 6 together.
A welding wire is arranged between the connecting bent pipe 6 and the air inlet pipe 1, the outer surface of one side of the connecting bent pipe 6 is fixedly connected with the outer surface of the other side of the air inlet pipe 1 through the welding wire, and the welding wire plays a role in welding the connecting bent pipe 6 and the air inlet pipe 1 together.
Bolts are arranged between the supporting pull rods 4 and the blast furnace outer wall 3, the outer surface of one side of each supporting pull rod 4 is fixedly connected with the outer surface of one side of the blast furnace outer wall 3 through the bolts, the bolts play a role in fixing the supporting pull rods 4 and the blast furnace outer wall 3 together, and the supporting pull rods 4 play a role in connecting and supporting.
It should be noted that the present invention relates to a blast furnace air intake device, when in use, a user can place an air inlet 2 on an air inlet pipe 1 into a blast furnace through an outer wall 3 of the blast furnace, so that air is supplied through the blast furnace air intake device, and when air passes through a bellows compensator 9, a conveying pipeline 8, a connecting elbow 6, and the air inlet pipe 1 for conveying, the air can effectively prevent the flow of hot air in the pipe to a bellows 96 through a bushing 92 inwardly disposed from an upper flange 91 and a lower flange 98 and a fireproof lining 93 disposed in the bushing 92, and further prevent the flow of hot air through a ceramic fiber cotton 99 disposed in the bellows 96, the ceramic fiber cotton 99 has good heat insulation property, can effectively prevent heat conduction, and has certain elasticity and compressibility, thereby satisfying requirements of expansion amount and adjustment amount, the phenomenon that the corrugated pipe 96 is damaged due to the fact that hot air with high heat is conveyed is avoided, and the corrugated pipe is practical.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a blast furnace hot blast blowpipe apparatus, includes air-supply line (1), its characterized in that: air intake (2) are installed to one side of air-supply line (1), the blast furnace outer wall (3) is provided with in air-supply line (1) outside, connecting bend (6) are installed to the opposite side of air-supply line (1), supporting pull rod (4) are all installed to one side of connecting bend (6) and one side of blast furnace outer wall (3), spring tightening rod (5) are all installed to the lower extreme of connecting bend (6) and one side of blast furnace outer wall (3), one side of connecting bend (6) is run through and is had viewing aperture (7), the upper end surface mounting of connecting bend (6) has pipeline (8), bellows compensator (9) are installed to the upper end of pipeline (8), wherein:
the corrugated pipe compensator (9) comprises a lower flange plate (98) arranged at the upper end of the conveying pipeline (8), a lining (92) is arranged at the upper end of the lower flange plate (98), a fireproof lining (93) is arranged on the inner wall of the lining (92), a corrugated pipe (96) is arranged on the outer side of the bushing (92), a second fixing ring (95) is arranged on the outer side of the corrugated pipe (96) on the outer surface of the upper end of the lower flange plate (98), the upper end of the corrugated pipe (96) and the upper end of the lining (92) are both provided with an upper flange (91), a first fixing ring (94) is arranged on the outer side of the corrugated pipe (96) on the outer surface of the lower end of the upper flange plate (91), ceramic fiber cotton (99) is filled between the corrugated pipe (96) and the lining (92), the outer surface of the upper end of the upper flange plate (91) and the outer surface of the upper end of the lower flange plate (98) are both provided with threaded columns (97) in a penetrating manner.
2. The blast furnace air intake device of claim 1, wherein: the utility model discloses a wind turbine generator, including connecting elbow pipe (6), air-supply line (1) and air intake (2), one side surface of connecting elbow pipe (6) passes through one side fixed surface of air-supply line (1) and air intake (2) is connected, be provided with the screw between air-supply line (1) and air intake (2), one side surface of air intake (2) passes through one side fixed surface of screw and air-supply line (1) is connected.
3. The blast furnace air intake device of claim 1, wherein: the lower extreme surface of bellows compensator (9) passes through the upper end surface fixed connection of pipeline (8) and connecting bend (6), be provided with the soldering lug between pipeline (8) and connecting bend (6), the lower extreme surface of pipeline (8) passes through the upper end surface fixed connection of soldering lug and connecting bend (6).
4. The blast furnace air intake device of claim 1, wherein: be provided with the welding wire between connection elbow (6) and air-supply line (1), the opposite side surface fixed connection of welding wire and air-supply line (1) is passed through to the one side surface of connection elbow (6).
5. The blast furnace air intake device of claim 1, wherein: and a bolt is arranged between the support pull rod (4) and the outer wall (3) of the blast furnace, and the outer surface of one side of the support pull rod (4) is fixedly connected with the outer surface of one side of the outer wall (3) of the blast furnace through the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921885221.6U CN211311501U (en) | 2019-10-28 | 2019-10-28 | Blast furnace air inlet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921885221.6U CN211311501U (en) | 2019-10-28 | 2019-10-28 | Blast furnace air inlet device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211311501U true CN211311501U (en) | 2020-08-21 |
Family
ID=72076696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921885221.6U Active CN211311501U (en) | 2019-10-28 | 2019-10-28 | Blast furnace air inlet device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211311501U (en) |
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2019
- 2019-10-28 CN CN201921885221.6U patent/CN211311501U/en active Active
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