CN206009441U - Dephosphorization device of continuous casting slab - Google Patents
Dephosphorization device of continuous casting slab Download PDFInfo
- Publication number
- CN206009441U CN206009441U CN201621020122.8U CN201621020122U CN206009441U CN 206009441 U CN206009441 U CN 206009441U CN 201621020122 U CN201621020122 U CN 201621020122U CN 206009441 U CN206009441 U CN 206009441U
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- CN
- China
- Prior art keywords
- continuous casting
- dephosphorization
- water pipe
- casting billet
- trachea
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Metal Rolling (AREA)
Abstract
This utility model provides a kind of dephosphorization device of continuous casting slab, and the device includes：Water pipe, around the swingable setting of continuous casting billet, extends on the left side of continuous casting billet, upside, right side；Multiple (operating) water nozzles, are connected on the water pipe, and are respectively directed to the left side of continuous casting billet, upside, right side, for spraying water to continuous casting billet；Trachea, around the swingable setting of continuous casting billet, extends on the left side of continuous casting billet, upside, right side, and arranged side by side with the water pipe；Multiple gas jets, are connected on the trachea, and are respectively directed to the left side of continuous casting billet, upside, right side, for continuous casting billet jet；Driving means, are connected with the water pipe, trachea, to drive the water pipe, trachea to complete to swing.This utility model can solve the involving great expense of water under high pressure dephosphorization apparatus presence, take up an area space greatly and the problems such as device for eliminating is interfered.
Description
Technical field
This utility model is related to iron and steel metallurgy manufacture field, more particularly to a kind of continuous casting billet dephosphorization for steel rolling production-line
Device.
Background technology
It is the first procedure of steel rolling process to heat in steel rolling production-line, steel billet input heating furnace, and steel billet is typically heated
Come out of the stove to 1050-1150 DEG C.After coming out of the stove, steel billet and air contact under the condition of high temperature, surface form one layer of iron scale, not only
The strong influence performance of product and surface quality, while also exacerbating the abrasion to roll and the pollution of surrounding enviroment, lead
Production cost is caused to increase, economic benefit reduces.
Therefore, remove the oxide layer (i.e. dephosphorization) of billet surface before the rolling to ensureing finished steel surface quality and mitigation
Surrounding enviroment pollution is required.
In consideration of it, each Rolling production unit all carries out oxide layer cleaning process to steel billet.At present, using most except oxidation
Layer mode is water under high pressure dephosphorization, and water under high pressure dephosphorization apparatus are arranged in furnace outlet and roughing installed in the exit side of heating furnace
Between roll, using high-pressure spray incision principle, the water under high pressure for providing 15MPa--25MPa using de-scaling pumping plant, by by certain
The descaling spray nozzle of distance and angle arrangement is ejected into billet surface, washes away through cooling effect, rending effect, steam
The iron scale of billet surface is eliminated clean by effect.
Practice have shown that, above-mentioned dephosphorization mode has problems：
1st, in water under high pressure dephosphorization apparatus, hydraulic pressure is generally 15MPa--25MPa, and pressure is high, to the potted component in system, changes
Big to the impact of the elements such as valve, unloader, damage frequency is high.Meanwhile, water under high pressure dephosphorization apparatus involve great expense, big, occupation of land of consuming energy is big.
2nd, in steel rolling production-line, furnace outlet typically installs a set of device for eliminating between first roll of roughing, uses
In the unqualified steel billet of rejecting.For general steel rolling production-line, heating furnace plug for outlet is little to the spacing between first roll, such as
Fruit installs water under high pressure dephosphorization apparatus, water dephosphorization apparatus can be caused to interfere with steel billet device for eliminating, cause to reject.
Content of the invention
The purpose of this utility model is to provide a kind of dephosphorization device of continuous casting slab, to solve the cost of prior art presence
High, the problems such as easily interfere with steel billet device for eliminating.
Additionally, this utility model also provides a kind of continuous casting billet phosphorus removing method.
On the one hand, this utility model provides following technical scheme：
A kind of dephosphorization device of continuous casting slab, which includes：Water pipe, around continuous casting billet swingable setting, the left side of continuous casting billet, on
Side, right side extend；Multiple (operating) water nozzles, are connected on the water pipe, and are respectively directed to the left side of continuous casting billet, upside, right side, are used for
Spray water to continuous casting billet；Trachea, around continuous casting billet swingable setting, extends on the left side of continuous casting billet, upside, right side, and with described
Water pipe is arranged side by side；Multiple gas jets, are connected on the trachea, and are respectively directed to the left side of continuous casting billet, upside, right side, for
Continuous casting billet jet；Driving means, are connected with the water pipe, trachea, to drive the water pipe, trachea to complete to swing.
Preferably, in above-mentioned dephosphorization device of continuous casting slab, also include：Dephosphorization case, in inverted U-shaped structure, the water pipe, gas
Pipe, (operating) water nozzle, gas jets are in the dephosphorization case；The connection of the driving means and the dephosphorization case.
Preferably, in above-mentioned dephosphorization device of continuous casting slab, the relatively close steel billet incoming side of the water pipe, the trachea are relatively remote
From steel billet incoming side.
Preferably, in above-mentioned dephosphorization device of continuous casting slab, also include：Support, the driving means are oil cylinder or cylinder, described
The cylinder body of driving means is articulated with the support, is beneficial to and is swung up and down；Also, the piston rod of the driving means with described
The one side of dephosphorization case is hinged, and the side lower part that the piston rod of the dephosphorization case and the driving means is hinged is provided with rotary shaft group
Part, is beneficial to the dephosphorization case and drives the water pipe, annulus trachealises to swing around continuous casting billet.
Preferably, in above-mentioned dephosphorization device of continuous casting slab, connected by riser between the water pipe, trachea, the riser with
The dephosphorization case is bolted.
Preferably, in above-mentioned dephosphorization device of continuous casting slab, the rotating shaft assembly includes：Two bearing blocks, are fixed on continuous casting
On the base of base production line；Two bearings, are respectively arranged in two bearing blocks；Rotary shaft, located at two bearings it
Between, the side that the dephosphorization case is hinged with the piston rod of the driving means is fixedly connected.
Preferably, in above-mentioned dephosphorization device of continuous casting slab, two reinforcing plates are fixed with the rotary shaft, the dephosphorization case is solid
Between two reinforcing plates, and with the reinforcement plate weld.
Analysis understands that this utility model provides a kind of simple, inexpensive, rotatable continuous casting billet with wind and water as medium
Dephosphorization apparatus, can solve the involving great expense of water under high pressure dephosphorization apparatus presence, take up an area that space is big and device for eliminating interference etc. is asked
Topic.
Description of the drawings
Working condition (dephosphorization) schematic diagrams one of the Fig. 1 for this utility model embodiment；
Working condition (reject problem steel billet) schematic diagrams two of the Fig. 2 for this utility model embodiment；
Arranged side by side water pipe, the front view of trachea of the Fig. 3 for this utility model embodiment；
Arranged side by side water pipe, the left view of trachea of the Fig. 4 for this utility model embodiment；
Profiles of the Fig. 5 for the rotating shaft assembly of this utility model embodiment.
Specific embodiment
With reference to the accompanying drawings and detailed description this utility model is described in further details.
As shown in Figure 1 and Figure 2, this utility model embodiment includes driving means 1, rotating shaft assembly 2, dephosphorization case 3, water pipe
8th, the base 18 of (operating) water nozzle 81, trachea 9, gas jets 91, riser 11, bearing pin 16, support 17, steel rolling production-line.In order to become apparent from
Display the present embodiment non-interference with rejecting mechanism 6, Fig. 1, Fig. 2 also show the continuous casting billet produced on steel rolling production-line
5th, it is used for the rejecting mechanism 6 for rejecting problem continuous casting billet 5, the collecting tank 7 for collecting problem continuous casting billet.
Specifically, water pipe 8 extends on the left side of continuous casting billet 5, upside, right side around 5 swingable setting of continuous casting billet.It is preferred that
Ground, as shown in Figure 3, Figure 4, water pipe 8 is in inverted U-shaped, and downside opens, tips upside down on continuous casting billet production line and continuous casting billet 8.Multiple
(operating) water nozzle 81 is connected on water pipe 8, and is respectively directed to the left side of continuous casting billet 5, upside, right side, for spraying water to continuous casting billet 5.With
Water pipe 8 is identical, and trachea 9 extends on the left side of continuous casting billet 5, upside, right side, also in inverted around 5 swingable setting of continuous casting billet
U-shaped, arranged side by side with water pipe 8.Multiple gas jets 91 are connected on trachea 9, and are respectively directed to the left side of continuous casting billet 5, upside, right side,
For to 5 jet of continuous casting billet.It is highly preferred that (operating) water nozzle 81, gas jets 91 are slightly tilted (as schemed to the direction of steel billet incoming side
4).Driving means 1 are connected with water pipe 8, trachea 9, to drive water pipe 8, trachea 9 to complete to swing.
In order to protect water pipe 8, trachea 8 and nozzle thereon, the present embodiment also to include dephosphorization case 3, which is in inverted U-shaped knot
Structure, water pipe 8, trachea 9, (operating) water nozzle 81, gas jets 91 are in dephosphorization case 3.Specifically, in water pipe 8, trachea 9, (operating) water nozzle
81st, steel plate etc. is set outside gas jets 91, forms a body structure, to avoid water pipe 8, trachea 9, (operating) water nozzle 81, gas jets
91 grades are damaged.
It is highly preferred that in dephosphorization case 3, as shown in Figure 3, Figure 4, being connected by riser 11 between water pipe 8, trachea 9, riser
11 are connected by bolt (not shown) with dephosphorization case 3.
Meanwhile, also allow for the connection with driving means 1.Correspondingly, the driving means 1 of the present embodiment are a cylinder,
It can certainly be oil cylinder.As shown in Figure 1 and Figure 2, the cylinder body of driving means 1 is articulated with support 17, is beneficial to and is swung up and down；
Its piston rod is hinged by bearing pin 16 with the one side of dephosphorization case 3, the side that the piston rod of dephosphorization case 3 and driving means 1 is hinged
Bottom is provided with rotating shaft assembly 2, and rotating shaft assembly 2 is fixed on base 18, and the side positioned at continuous casting billet 5, is beneficial to dephosphorization
Case 3 drives water pipe, trachea 9 to swing around continuous casting billet 5.As water pipe 8, trachea 9, (operating) water nozzle 81, gas jets 91 are located at dephosphorization
In case 3, therefore, when driving means 1 drive dephosphorization case 3 to swing, water pipe 8, trachea 9, (operating) water nozzle 81, gas jets 91 will be put therewith
Dynamic.
As shown in figure 5, rotating shaft assembly 2 includes：Bearing block 12, bearing 13, reinforcing plate 14, rotary shaft 15.Two bearings
Seat 12 is fixed on the base 18 of continuous casting billet production line；Two bearings 13 are then respectively arranged in two bearing blocks 12；Rotary shaft 15
Between two bearings 13, the side that dephosphorization case 3 is hinged with the piston rod of driving means 1 is fixedly connected.Further, rotate
Two reinforcing plates 14 are fixed with axle 15, and dephosphorization case 3 is fixed between two reinforcing plates 14, and is welded with reinforcing plate 14.
Again as shown in Figure 3, Figure 4,8 relatively close steel billet incoming side of water pipe (Fig. 4 arrows side is steel billet incoming side),
Trachea 9 is relatively distant from steel billet incoming side.
Between the present embodiment normal production period, such as Fig. 1, in state is stretched out, dephosphorization case 3 is in the piston rod of driving means 1
Horizontality.Sprayed in water, the edema caused by disorder of QI (operating) water nozzle 81 that annular is installed not from water pipe 8, trachea 9, gas jets 91 at an angle
Go out, the iron scale on continuous casting billet 5 is removed, phosphor-removing effect is realized.Preferably, the water source being connected with water pipe 8 is from production line
On roll cooling water, pressure is in 0.4MPa-0.5MPa, compressed air of the source of the gas being connected with trachea 9 from production line, pressure
For 0.4MPa or so, such as 0.35MPa-0.45MPa, by the control of control valve, automatic start-stop is can achieve.
As shown in Fig. 2 when problem continuous casting billet 5 is rejected, water source, source of the gas are first shut off, the present embodiment stops dephosphorization work.
Under electric control system controls, its piston rod is started to shrink at driving means 1, and the contractile motion of piston rod drives dephosphorization by bearing pin 16
Case 3 and the water pipe 8 for arranging thereon, trachea 9, (operating) water nozzle 81, gas jets 91 are left around the centrage rotate counterclockwise of rotary shaft 15
The operating radius of rejecting mechanism 6, rejecting mechanism 6 turn clockwise, and problem continuous casting billet 5 is rejected to collecting tank 7.
After the completion of rejecting, rejecting mechanism 6 rotates counterclockwise to initial position, and piston rod starts to stretch out, by 16 band of bearing pin
Dynamic dephosphorization case 3 is rotated clockwise to horizontal level around the centrage of rotary shaft 15, continues dephosphorization operation.
To sum up, traditional 15MPa--25MPa water under high pressure phosphorus removing methods are changed to the water of low pressure, gas mixing by this utility model
Dephosphorization, using the purging of the cooling effect of water, rending effect and compressed air, realizes phosphor-removing effect more than 90%, and satisfaction is rolled
The use requirement of steel production line.
This utility model can achieve freely to overturn, and solves when dephosphorization apparatus are interfered with rejecting mechanism and rejects problem steel billet
Problem.
Additionally, this utility model simple structure, low cost.The cooling water pipeline of water, edema caused by disorder of QI not from production line, compression are empty
Feed channel draws branch road, consumes energy low, and maintenance cost is low.
As known by the technical knowledge, this utility model can be by other essence without departing from its spirit or the reality of essential feature
Apply scheme to realize.Therefore, embodiment disclosed above, for each side, is all merely illustrative, and is not only
's.All in the range of this utility model or in the change being equal in the range of this utility model by this utility model bag
Contain.
Claims (7)
1. a kind of dephosphorization device of continuous casting slab, it is characterised in that include：
Water pipe, around the swingable setting of continuous casting billet, extends on the left side of continuous casting billet, upside, right side；
Multiple (operating) water nozzles, are connected on the water pipe, and are respectively directed to the left side of continuous casting billet, upside, right side, for continuous casting billet
Water spray；
Trachea, around the swingable setting of continuous casting billet, extends on the left side of continuous casting billet, upside, right side, and arranged side by side with the water pipe；
Multiple gas jets, are connected on the trachea, and are respectively directed to the left side of continuous casting billet, upside, right side, for continuous casting billet
Jet；
Driving means, are connected with the water pipe, trachea, to drive the water pipe, trachea to complete to swing.
2. dephosphorization device of continuous casting slab according to claim 1, it is characterised in that also include：
Dephosphorization case, in inverted U-shaped structure, the water pipe, trachea, (operating) water nozzle, gas jets are in the dephosphorization case；
The connection of the driving means and the dephosphorization case.
3. dephosphorization device of continuous casting slab according to claim 1, it is characterised in that the relatively close steel billet supplied materials of the water pipe
Side, the trachea are relatively distant from steel billet incoming side.
4. dephosphorization device of continuous casting slab according to claim 2, it is characterised in that also include：Support, the driving means are
Oil cylinder or cylinder, the cylinder body of the driving means are articulated with the support, are beneficial to and are swung up and down；
Also, the piston rod of the driving means is hinged with the one side of the dephosphorization case, the dephosphorization case drives dress with described
The side lower part that the piston rod that puts is hinged is provided with rotating shaft assembly, be beneficial to the dephosphorization case drive the water pipe, annulus trachealises around
Continuous casting billet swings.
5. dephosphorization device of continuous casting slab according to claim 2, it is characterised in that pass through riser between the water pipe, trachea
Connection, the riser are bolted with the dephosphorization case.
6. dephosphorization device of continuous casting slab according to claim 4, it is characterised in that the rotating shaft assembly includes：
Two bearing blocks, are fixed on the base of continuous casting billet production line；
Two bearings, are respectively arranged in two bearing blocks；
Rotary shaft, between two bearings, the side that the dephosphorization case is hinged with the piston rod of the driving means is solid
Fixed connection.
7. dephosphorization device of continuous casting slab according to claim 6, it is characterised in that be fixed with two reinforcements in the rotary shaft
Plate, the dephosphorization case are fixed between two reinforcing plates, and with the reinforcement plate weld.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621020122.8U CN206009441U (en) | 2016-08-31 | 2016-08-31 | Dephosphorization device of continuous casting slab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621020122.8U CN206009441U (en) | 2016-08-31 | 2016-08-31 | Dephosphorization device of continuous casting slab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206009441U true CN206009441U (en) | 2017-03-15 |
Family
ID=58255563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621020122.8U Expired - Fee Related CN206009441U (en) | 2016-08-31 | 2016-08-31 | Dephosphorization device of continuous casting slab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206009441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345828A (en) * | 2016-08-31 | 2017-01-25 | 山东钢铁股份有限公司 | Phosphorus removal device and method for continuous casting billet |
-
2016
- 2016-08-31 CN CN201621020122.8U patent/CN206009441U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345828A (en) * | 2016-08-31 | 2017-01-25 | 山东钢铁股份有限公司 | Phosphorus removal device and method for continuous casting billet |
| CN106345828B (en) * | 2016-08-31 | 2019-09-24 | 山东钢铁股份有限公司 | Continuous casting blank scale eliminating device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170315 Termination date: 20200831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |