CN215440528U - Blast furnace casting house collecting cover air curtain structure - Google Patents
Blast furnace casting house collecting cover air curtain structure Download PDFInfo
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- CN215440528U CN215440528U CN202121791855.2U CN202121791855U CN215440528U CN 215440528 U CN215440528 U CN 215440528U CN 202121791855 U CN202121791855 U CN 202121791855U CN 215440528 U CN215440528 U CN 215440528U
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- cover body
- air outlet
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- fan
- blast furnace
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Abstract
The utility model discloses a blast furnace cast house collecting cover air curtain structure which comprises a rail beam, wherein a groove is formed in the rail beam, a connecting plate is arranged at the upper end of the rail beam, a right-angle rod is arranged at the upper end of the connecting plate, a fan is arranged at the other end of the right-angle rod, the fan is arranged above the rail beam, an air pipe is arranged at one end of the fan, an air outlet cover body is arranged at the lower end of the air pipe, and an air outlet is arranged at the lower end of the air outlet cover body. The fans on the two sides suck the smoke into the air outlet cover body, so that the smoke is conveniently and fully collected; the connecting plate is detached through the bolt, the threaded rod is screwed down through the nut, the air outlet cover body is detached, the fan and the air outlet cover body are conveniently mounted and dismounted, and the operation is simple and convenient.
Description
Technical Field
The utility model belongs to the technical field of blast furnace cast house, and particularly relates to a blast furnace cast house collecting cover air curtain structure.
Background
The dust remover for treating the smoke dust in the blast furnace casting house can eliminate or reduce the smoke dust pollution emitted in the blast furnace casting and slag discharging process and comprehensively utilize the smoke dust pollution.
An auxiliary device for a tapping hole collecting cover of an iron-making blast furnace tapping site, which is disclosed by an authorization notice number CN 201362724, in particular to an air curtain device of the collecting cover of the blast furnace tapping site. According to the technical scheme provided by the utility model, an air outlet cover body is arranged on the side wall of the low rail beam by using a fixed support, the air outlet cover body is in a flat tubular shape, an air outlet of the air outlet cover body is arranged downwards, the air outlet cover body is supplied with air by a fan generating positive pressure airflow, the transverse thickness of the air outlet cover body is gradually reduced from one side to the other side, and the height of the air outlet cover body is gradually reduced from one side with large thickness to one side with small thickness. The utility model can collect about 95% of the smoke in the whole smelting process, effectively collect the smoke and avoid the problem that the smoke generated in the tapping of the blast furnace tapping hole escapes from the low-rail beam.
This patent utilizes the fixed bolster installation air-out cover body at the lateral wall of low rail roof beam, and the air-out cover body is flat tubulose, and the air outlet of the air-out cover body sets up down, and the air-out cover body is by the fan air feed that produces the positive pressure air current, the air-out cover body is horizontal thickness by a side to opposite side reduce gradually, and the height of the air-out cover body is by its one side that its thickness is little of a side direction that its thickness is big reduce gradually. The utility model can collect about 95 percent of the smoke in the whole smelting process, effectively collect the smoke, and avoid the problem that smoke generated in the tapping hole tapping of the blast furnace escapes from the low rail beam, but the installation and the disassembly of the fan are inconvenient, the installation and the disassembly of the air outlet cover body are inconvenient, and the smoke collection of the air curtain structure is inconvenient, thereby greatly influencing the use of the structure.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an air curtain structure of a blast furnace cast house collecting cover, which aims to solve the problem of insufficient flue gas collection of the air curtain structure.
In order to achieve the purpose, the utility model provides the following technical scheme: a blast furnace cast house collecting cover air curtain structure comprises a rail beam, wherein a groove is formed in the rail beam, the groove is formed in the center of the rail beam, a connecting plate is arranged at the upper end of the rail beam and attached to two sides of the upper end of the rail beam, a right-angle rod is arranged at the upper end of the connecting plate and fixedly welded to the upper end of the connecting plate, a fan is arranged at the other end of the right-angle rod, the fan is fixedly welded to the other end of the right-angle rod and arranged above the rail beam, the two fans are arranged on the two sides above the rail beam respectively, an air pipe is arranged at one end of the fan, one end of the air pipe is communicated with the fan and is fixed in a right angle, an air outlet cover body is arranged at the lower end of the air pipe and communicates the air outlet cover body with the fan, the two sides of the air outlet cover body are in a flat tubular shape, the air outlet cover body is supplied with air by the fan generating positive pressure air flow, and the thickness of the air outlet cover body is gradually reduced from the center to the two sides in the transverse direction, and the height of the air outlet cover body is gradually reduced from the center with large thickness to the two sides with small thickness, the lower end of the air outlet cover body is provided with an air outlet, and the air outlet of the air outlet cover body is arranged downwards.
Preferably, the connecting plate is fixedly arranged on the rail beam through bolts, the bolts are arranged on two sides of the connecting plate, and the bolts penetrate through the connecting plate and are connected to the rail beam in a threaded mode.
Preferably, the outer side of the air outlet cover body is provided with two threaded rods which are respectively arranged at two ends of the outer side of the air outlet cover body.
Preferably, the outside of threaded rod stretches into the recess and with nut threaded connection, the threaded rod passes the rail roof beam, stretches into in the recess to on being connected to the threaded rod through nut threaded connection, the position of the convenient air-out cover body is fixed.
Compared with the prior art, the utility model has the beneficial effects that: 1. this structure can be through the fan of both sides with the flue gas suction to the air-out cover body in, conveniently carry out abundant entrapment with the flue gas.
2. This structure will link the board through the bolt and dismantle, and the rethread nut is screwed off the threaded rod, unpacks the air-out cover body apart again, and the convenience is installed and is dismantled fan and air-out cover body, and easy operation is convenient.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a side view of the present invention.
In the figure: 1. a rail beam; 11. a groove; 21. connecting plates; 22. a right-angle rod; 23. a fan; 24. a bolt; 25. an air tube; 26. an air outlet cover body; 27. an air outlet; 31. a threaded rod; 32. and a nut.
Detailed Description
Referring to fig. 1 and 2, a blast furnace cast house collecting hood air curtain structure comprises a rail beam 1, a groove 11 is formed in the rail beam 1, the groove 11 is formed in the center of the rail beam 1, a connecting plate 21 is arranged at the upper end of the rail beam 1, the connecting plate 21 is attached to two sides of the upper end of the rail beam 1, a right-angle rod 22 is arranged at the upper end of the connecting plate 21, the right-angle rod 22 is fixedly welded at the upper end of the connecting plate 21, a fan 23 is arranged at the other end of the right-angle rod 22, the fan 23 is fixedly welded at the other end of the right-angle rod 22, the fan 23 is arranged above the rail beam 1, two fans 23 are respectively arranged at two sides above the rail beam 1, an air pipe 25 is arranged at one end of the fan 23, one end of the air pipe 25 is communicated with the fan 23 and is fixed at a right angle, an air outlet hood 26 is arranged at the lower end of the air pipe 25, the air pipe 25 communicates the air outlet 26 with the fan 23, two sides of the air outlet 26 are in a flat pipe shape, the air outlet cover body 26 is supplied with air by the fan 23 which generates positive pressure airflow, the transverse thickness of the air outlet cover body 26 is gradually reduced from the center to two sides, the height of the air outlet cover body 26 is gradually reduced from the center with large thickness to two sides with small thickness, the lower end of the air outlet cover body 26 is provided with an air outlet 27, and the air outlet 27 of the air outlet cover body 26 is arranged downwards.
Referring to fig. 1 and 2, the connecting plate 21 is fixedly arranged on the rail beam 1 by bolts 24, the bolts 24 are arranged on both sides of the connecting plate 21, and the bolts 24 are screwed to the rail beam 1 through the connecting plate 21.
Referring to fig. 1 and 2, the outer side of the air outlet hood 26 is provided with two threaded rods 31, and the two threaded rods 31 are respectively arranged at two ends of the outer side of the air outlet hood 26.
Referring to fig. 1 and 2, the outer side of the threaded rod 31 extends into the groove 11 and is in threaded connection with the nut 32, and the threaded rod 31 passes through the rail beam 1, extends into the groove 11, and is in threaded connection with the threaded rod 31 through the nut 32, so that the position of the air outlet hood body 26 is conveniently fixed.
The working principle of the scheme is as follows: the fan 23 is opened, the smoke can be introduced into the air outlet cover body 26 through the air outlet 27, then introduced into the air pipe 25 through the air outlet cover body 26, and then discharged through the fan 23, both sides of the air outlet cover body 26 are in a flat tubular shape, the air outlet cover body 26 is supplied with air by the fan 23 generating positive pressure air flow, the transverse thickness of the air outlet cover body 26 is gradually reduced from the center to both sides, and the height of the air outlet cover body 26 is gradually reduced from the center with large thickness to both sides with small thickness, so that the smoke can be conveniently and fully absorbed; when fan 23 and the air outlet cover body 26 need to be disassembled, the bolt 24 is screwed down from the connecting plate 21, the right-angle rod 22 is screwed down, the nut 32 is screwed down from the threaded rod 31, and the fan 23 and the air outlet cover body 26 are conveniently replaced.
Claims (4)
1. The utility model provides a blast furnace casting house entrapment cover air curtain structure, includes rail roof beam (1), its characterized in that: seted up recess (11) in rail roof beam (1), the upper end of rail roof beam (1) is provided with even board (21), the upper end of even board (21) is provided with right angle pole (22), the other end of right angle pole (22) is provided with fan (23), the top of rail roof beam (1) is located in fan (23), the one end of fan (23) is provided with trachea (25), the lower extreme of trachea (25) is provided with the air-out cover body (26), the lower extreme of the air-out cover body (26) is provided with air outlet (27).
2. The blast furnace cast house collection hood wind curtain structure of claim 1, wherein: the connecting plate (21) is fixedly arranged on the rail beam (1) through a bolt (24).
3. The blast furnace cast house collection hood wind curtain structure of claim 1, wherein: and a threaded rod (31) is arranged on the outer side of the air outlet cover body (26).
4. The blast furnace cast house collection hood wind curtain structure of claim 3, wherein: the outer side of the threaded rod (31) extends into the groove (11) and is in threaded connection with the nut (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121791855.2U CN215440528U (en) | 2021-08-03 | 2021-08-03 | Blast furnace casting house collecting cover air curtain structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121791855.2U CN215440528U (en) | 2021-08-03 | 2021-08-03 | Blast furnace casting house collecting cover air curtain structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215440528U true CN215440528U (en) | 2022-01-07 |
Family
ID=79690991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121791855.2U Active CN215440528U (en) | 2021-08-03 | 2021-08-03 | Blast furnace casting house collecting cover air curtain structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215440528U (en) |
-
2021
- 2021-08-03 CN CN202121791855.2U patent/CN215440528U/en active Active
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