CN209697723U - A kind of roughing mill inlet oxidation iron sheet blow device - Google Patents
A kind of roughing mill inlet oxidation iron sheet blow device Download PDFInfo
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- CN209697723U CN209697723U CN201822197557.5U CN201822197557U CN209697723U CN 209697723 U CN209697723 U CN 209697723U CN 201822197557 U CN201822197557 U CN 201822197557U CN 209697723 U CN209697723 U CN 209697723U
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- side plate
- roughing mill
- nozzle
- iron sheet
- blow device
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Abstract
The utility model relates to roughing technical field, in particular to a kind of roughing mill inlet oxidation iron sheet blow device, comprising: cover board, the first side plate, the second side plate, scavenging header and nozzle.First side plate and the second side plate face are arranged, and cover board is fixed on the first side plate and the second side plate upper end；First side plate and the second side plate are vertical with cover board respectively；First side plate, the second side plate and cover board are fixedly connected as a bottom-open, box is blocked in front and back perforation.Scavenging header, which is fixed on, is arranged in the front end for blocking box, and scavenging header with extraneous gas source for being connected to.One end of nozzle is connected in scavenging header, and the other end of nozzle is jet port, and the jet port direction of nozzle blocks the bottom of box.The iron scale of steel slab surface and residual process water are purged completely, improve roughing mill entrance slab tracking accuracy, reduce roughing accident risk, improve economic benefit by roughing mill inlet oxidation iron sheet blow device provided by the utility model.
Description
Technical field
The utility model relates to roughing technical field, in particular to a kind of roughing mill inlet oxidation iron sheet blow device.
Background technique
Semi-tandem rolling and hot rolling production line is typically equipped with fixed-width pressure machine, and different order need are met for adjusting width of plate slab
It asks, but because exposure duration is longer in air during fixed width for slab, the slab upper surface after fixed width can generate a large amount of oxidations
Iron sheet is transported to roughing mill entrance after slab sizing and prepares rolling, because the steel slab surface iron scale after fixed width is more, is easy
It causes roughing mill entrance cold/hot metal detector detection signal to be interfered, and then causes slab tracking abnormal, cause de-scaling, speed
The rolling accident such as timing exception.
Utility model content
The utility model is solved and is conveyed in the prior art by providing a kind of roughing mill inlet oxidation iron sheet blow device
Iron scale is more on to the slab of roughing mill, is easy the technical issues of causing rolling accident.
The utility model embodiment provides a kind of roughing mill inlet oxidation iron sheet blow device, comprising: cover board, the first side
Plate, the second side plate, scavenging header and nozzle；
First side plate and the second side plate face are arranged, and the cover board is fixed on first side plate and described the
Two side plate upper ends；First side plate, the second side plate and the cover board are fixedly connected as the screening an of bottom-open, front and back perforation
Keep off box；
The scavenging header, which is fixed on, is arranged in the front end for blocking box, and the scavenging header is used to connect with extraneous gas source
It is logical；
One end of the nozzle is connected in the scavenging header, and the other end of the nozzle is jet port, the nozzle
Jet port the bottom of box is blocked described in.
Further, further includes: suspension hook；The suspension hook is fixed on the upper end of the cover board.
Further, the suspension hook is at least one.
Further, the suspension hook is four；Four suspension hooks are in distributed rectangular in the cover board upper end.
Further, the nozzle and plumb line are in 45 degree of angles.
Further, the distance between the jet port of the nozzle and the cover board are 200-300mm.
Further, the quantity of the nozzle is at least one.
Further, the quantity of the nozzle is 3-5, and the 3-5 nozzles are equally spacedly connected to the purging collection
Guan Shang.
Further, the purging air pressure in the scavenging header is 5-10bar.
Further, first side plate and second side plate and the cover board are perpendicular.
One or more technical solutions provided by the utility model, at least have following beneficial effect or advantage:
Roughing mill inlet oxidation iron sheet blow device provided by the utility model, the first side plate, the second side plate and cover board are solid
Surely it is connected as blocking box, the upstream of roughing mill roller is arranged in the entrance for blocking box, and roughing mill roller is arranged in the outlet for blocking box
Downstream；Scavenging header, which is fixed on, is arranged in the exit for blocking box, and scavenging header is fixedly connected with cover board.Nozzle, which is connected to, to be blown
It sweeps on collector, the jet port of nozzle purges to by the slab on roughing mill roller towards roughing mill roller, blocks box to purging
Iron scale blocked.The iron oxide of upper surface generation after slab sizing can be effectively avoided by using the blow device
Skin interferes roughing mill entrance cold/hot metal detector detection signal, makes slab after constant width machine fixed width, by its surface
Iron scale and residual process water purging it is clean, improve roughing mill entrance slab tracking accuracy, decrease simultaneously
The indentation of scale defect reduces roughing accident risk, improves economic benefit.
Detailed description of the invention
Fig. 1 is roughing mill inlet oxidation iron sheet blow device structural schematic diagram provided by the embodiment of the utility model.
Specific embodiment
The utility model embodiment solves the prior art by providing a kind of roughing mill inlet oxidation iron sheet blow device
In be transported to iron scale on the slab of roughing mill it is more, be easy cause rolling accident the technical issues of.
Referring to Fig. 1, the utility model embodiment provides a kind of roughing mill inlet oxidation iron sheet blow device, comprising: lid
Plate 1, the first side plate 2, the second side plate 6, scavenging header 3 and nozzle 4.
Referring to Fig. 1, the first side plate 2 and 6 face of the second side plate are arranged, and cover board 1 is fixed on the first side plate 2 and the second side plate 6
Upper end.Wherein, the first side plate 2, the second side plate 6 use the rectangle steel plate of identical size.First side plate 2 and the second side plate 6 divide
It is not vertical with cover board 1；First side plate 2, the second side plate 6 and cover board 1 are fixedly connected as a bottom-open, front and back perforation is blocked
Box, the entrance (blocking the front end of box) for blocking box are arranged in the upstream of roughing mill roller, block box (blocking the rear end of box)
The downstream of roughing mill roller is arranged in outlet.
Referring to Fig. 1, scavenging header 3, which is fixed on, is arranged in the front end for blocking box, and scavenging header 3 and the fixed company of cover board 1
It connects.The gas source piping connection that scavenging header 3 and diameter are 10-20mm, scavenging header 3 with extraneous gas source for being connected to.
Referring to Fig. 1, one end of nozzle 4 is connected in scavenging header 3, and one end of nozzle 4 is jet port, the injection of nozzle 4
Mouth direction blocks the bottom of box.Nozzle 4 is used to purge to by the slab on roughing mill roller.
In a specific embodiment provided by the utility model, referring to Fig. 1, roughing mill inlet oxidation iron sheet blow device is also wrapped
It includes: suspension hook 5；Suspension hook 5 is fixed on the upper end of cover board 1.Suspension hook 5 blows roughing mill inlet oxidation iron sheet for connecting hanging device
Sweeping device is sling, and realizes the installation or removal of roughing mill inlet oxidation iron sheet blow device.
In a specific embodiment provided by the utility model, referring to Fig. 1, suspension hook 5 is at least one.
In a specific embodiment provided by the utility model, referring to Fig. 1, suspension hook 5 is four；Four suspension hooks 5 are in rectangle point
Cloth is in 1 upper end of cover board.
In a specific embodiment provided by the utility model, referring to Fig. 1, nozzle 4 and vertical direction are in 45 degree of angles.Spray
It is best to the iron scale purging effect of steel slab surface when mouth 4 and plumb line are in 45 degree of angles.
In a specific embodiment provided by the utility model, referring to Fig. 1, between the jet port and cover board 1 of nozzle 4 away from
From for 200-300mm.
In a specific embodiment provided by the utility model, referring to Fig. 1, the quantity of nozzle 4 is at least one.
In a specific embodiment provided by the utility model, referring to Fig. 1, the quantity of nozzle 4 is 3-5,3-5 nozzle 4
It is equally spacedly connected in scavenging header 3.By the quantity of nozzle 4 be 3-5 when, can be realized purge angle to steel slab surface
It is completely covered.
In a specific embodiment provided by the utility model, referring to Fig. 1, the purging air pressure in scavenging header 3 is 5-
10bar。
Referring to Fig. 1, the course of work of roughing mill inlet oxidation iron sheet blow device provided by the embodiment of the utility model is such as
Under: in use, lifting appliance is connect with suspension hook 5, roughing mill inlet oxidation iron sheet blow device is moved to roughing by lifting appliance
First side plate 2, the second side plate 6 are fixedly connected by machine inlet with roughing mill.When slab enters roughing mill entrance, purging is opened
Nozzle 4 purges the iron scale of steel slab surface.It purges the iron scale fallen and enters purging box, iron oxide can be prevented
Skin splashes.
One or more technical solutions provided by the utility model, at least have following beneficial effect or advantage:
Roughing mill inlet oxidation iron sheet blow device provided by the utility model, the first side plate, the second side plate and cover board are solid
Surely it is connected as blocking box, the upstream of roughing mill roller is arranged in the entrance for blocking box, and roughing mill roller is arranged in the outlet for blocking box
Downstream；Scavenging header, which is fixed on, is arranged in the exit for blocking box, and scavenging header is fixedly connected with cover board.Nozzle, which is connected to, to be blown
It sweeps on collector, the jet port of nozzle purges to by the slab on roughing mill roller towards roughing mill roller, blocks box to purging
Iron scale blocked.The iron oxide of upper surface generation after slab sizing can be effectively avoided by using the blow device
Skin interferes roughing mill entrance cold/hot metal detector detection signal, makes slab after constant width machine fixed width, by its surface
Iron scale and residual process water purging it is clean, improve roughing mill entrance slab tracking accuracy, decrease simultaneously
The indentation of scale defect reduces roughing accident risk, improves economic benefit.
It should be noted last that the above specific embodiment is only to illustrate the technical solution of the utility model rather than limits
System, although the utility model is described in detail referring to example, those skilled in the art should understand that, it can be right
The technical solution of the utility model is modified or replaced equivalently, without departing from the spirit and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (10)
1. a kind of roughing mill inlet oxidation iron sheet blow device characterized by comprising cover board, the first side plate, the second side plate,
Scavenging header and nozzle；
First side plate and the second side plate face are arranged, and the cover board is fixed on first side plate and described second side
Plate upper end；First side plate, the second side plate and the cover board are fixedly connected as a bottom-open, front and back perforation is blocked
Box；
The scavenging header, which is fixed on, is arranged in the front end for blocking box, and the scavenging header with extraneous gas source for being connected to；
One end of the nozzle is connected in the scavenging header, and the other end of the nozzle is jet port, the spray of the nozzle
Loophole blocks the bottom of box described in.
2. roughing mill inlet oxidation iron sheet blow device according to claim 1, which is characterized in that further include: suspension hook；Institute
State the upper end that suspension hook is fixed on the cover board.
3. roughing mill inlet oxidation iron sheet blow device according to claim 2, which is characterized in that the suspension hook is at least
One.
4. roughing mill inlet oxidation iron sheet blow device according to claim 3, which is characterized in that the suspension hook is four
It is a；Four suspension hooks are in distributed rectangular in the cover board upper end.
5. roughing mill inlet oxidation iron sheet blow device according to claim 1, which is characterized in that the nozzle and vertical
Line is in 45 degree of angles.
6. roughing mill inlet oxidation iron sheet blow device according to claim 1 or 5, which is characterized in that the nozzle
The distance between jet port and the cover board are 200-300mm.
7. roughing mill inlet oxidation iron sheet blow device according to claim 1 or 5, which is characterized in that the nozzle
Quantity is at least one.
8. roughing mill inlet oxidation iron sheet blow device according to claim 7, which is characterized in that the quantity of the nozzle
It is 3-5, the 3-5 nozzles are equally spacedly connected in the scavenging header.
9. roughing mill inlet oxidation iron sheet blow device according to claim 1, which is characterized in that in the scavenging header
Purging air pressure be 5-10bar.
10. roughing mill inlet oxidation iron sheet blow device according to claim 1, which is characterized in that first side plate
And second side plate and the cover board it is perpendicular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822197557.5U CN209697723U (en) | 2018-12-21 | 2018-12-21 | A kind of roughing mill inlet oxidation iron sheet blow device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822197557.5U CN209697723U (en) | 2018-12-21 | 2018-12-21 | A kind of roughing mill inlet oxidation iron sheet blow device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209697723U true CN209697723U (en) | 2019-11-29 |
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ID=68637329
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822197557.5U Active CN209697723U (en) | 2018-12-21 | 2018-12-21 | A kind of roughing mill inlet oxidation iron sheet blow device |
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| CN (1) | CN209697723U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110947784A (en) * | 2019-12-27 | 2020-04-03 | 山东钢铁集团日照有限公司 | Nitrogen purging device behind plate and strip finishing mill |
-
2018
- 2018-12-21 CN CN201822197557.5U patent/CN209697723U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110947784A (en) * | 2019-12-27 | 2020-04-03 | 山东钢铁集团日照有限公司 | Nitrogen purging device behind plate and strip finishing mill |
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