CN108057863A - A kind of billet caster strand dephosphorization apparatus and phosphorus removing method - Google Patents
A kind of billet caster strand dephosphorization apparatus and phosphorus removing method Download PDFInfo
- Publication number
- CN108057863A CN108057863A CN201810048927.0A CN201810048927A CN108057863A CN 108057863 A CN108057863 A CN 108057863A CN 201810048927 A CN201810048927 A CN 201810048927A CN 108057863 A CN108057863 A CN 108057863A
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- CN
- China
- Prior art keywords
- strand
- water ring
- dephosphorization apparatus
- billet caster
- billet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Continuous Casting (AREA)
Abstract
The present invention provides a kind of billet caster strand dephosphorization apparatus and phosphorus removing method, belong to metallurgical field of steel-making, including control device and flusher；The control device includes control valve, flowmeter and pressure gauge；The flusher includes water ring, several jet pipes and the nozzle affixed with jet pipe；The water ring is connected by connecting tube with secondary cooling water pipeline, and the control valve, flowmeter and pressure gauge are mounted in connecting tube；The water ring is annular, is fixed on water ring for strand passage, several described jet pipes among water ring and is respectively directed to the upside of strand, downside, left side and right side.A kind of billet caster provided by the invention is simple in structure with strand dephosphorization apparatus, and design is reasonable, and of low cost, the iron scale of casting billet surface is purged by dephosphorization apparatus, prevents iron scale from falling into the equipment of later process, the equipment for protecting later process；Phosphorus removing method is easy to operate, reduces the labor intensity of manual cleaning iron scale, saves labour.
Description
Technical field
The invention belongs to metallurgical steelmaking technical fields, are to be related to a kind of billet caster strand dephosphorization more specifically
Device and phosphorus removing method.
Background technology
Billet caster, can shape in two cold-zone domain casting billet surface oxidations in process of production due to the presence of crystallizer oscillation mark
Into a large amount of iron scales, with the aligning and cooling meat of strand, the iron scale of casting billet surface gradually comes off, walks along strand
Direction is dropped on strand roller-way and its other auxiliary devices, especially when iron scale drops in dummy ingot overturning oil cylinder, stepping
It makes a big impact when on Oil cylinder, elevator chain and electric machines for roller to equipment, seriously affects service life of equipment.
The prior art carries out dephosphorization before simply entering milling train to strand, without a kind of continuous casting strand dephosphorization technique, and such as
Milling train is introduced conticaster by fruit with dephosphorization apparatus, the characteristics of cannot not only meeting continuous casting multi-stream casting also there are use cost it is high,
The shortcomings of strand temperature drop is big.Therefore, how to solve the problems, such as strand continuous casting link remove iron scale, while realize it is low into
Originally, the strand phosphor-removing effect of low temperature drop is the important content for still needing to research.
The content of the invention
It is existing to solve it is an object of the invention to provide a kind of billet caster strand dephosphorization apparatus and phosphorus removing method
The iron scale that casting billet surface is formed in casting process present in technology cannot remove, and strand drops along direction of travel in strand
On roller-way and other negative equipment, service life of equipment technical problem is influenced.
To achieve the above object, the technical solution adopted by the present invention is：A kind of billet caster strand dephosphorization dress is provided
It puts, including：Control device and flusher；The control device includes control valve, flowmeter and pressure gauge；The flusher
Including water ring, several jet pipes and the nozzle affixed with jet pipe；The water ring is connected by connecting tube with secondary cooling water pipeline, institute
Control valve, flowmeter and pressure gauge are stated in connecting tube；The water ring is annular, is strand passage among water ring, described
Several jet pipes are fixed on water ring and are respectively directed to the upside of strand, downside, left side and right side.
Further, it is in 25 ° of -35 ° of angles between the jet pipe and strand.
Further, the water ring is circular water ring, and the diameter of the circle water ring is not less than 50mm.
Further, the water ring is square water ring, and the length of side of the square water ring is not less than 50mm.
Further, the spacing between the water ring and strand is not less than 200mm.
Further, the jet pipe is welded on water ring, and the jet pipe is connected with nozzle threads；The jet pipe length is not small
In 80mm.
Further, the control valve is electronic control valve or hand control valve.
A kind of billet caster strand phosphorus removing method, a kind of billet caster strand described in using any of the above item
Dephosphorization apparatus comprises the following steps：
(1) strand is cooled down by two cold-zones, withdrawal straightening machine aligning；
(2) iron scale of casting billet surface is with temperature drop and straightening deformation and the disengaging of strand body part；
(3) when flame cutter cuts off strand, and strand is passed through by strand roller-way among water ring, control valve is opened,
Current of the pressure not less than 0.8MPa are sprayed to strand upper and lower, left and right four direction by nozzle, make the oxidation of casting billet surface
Iron sheet is cooled down, removed and rinsed；
(4) retracting device is provided with below the billet caster strand dephosphorization apparatus, will be disengaged from the iron oxide to drop
Skin recycles.
Further, the current are continuous casting secondary cooling water, when Casting speed changes, pass through control according to Casting speed
Valve adjusts the flow of current.
Further, the billet caster is installed on strand dephosphorization apparatus away from cutting gun end of travel strand roller-way
It is oriented on crossbeam.
A kind of billet caster provided by the invention is with the advantageous effect of strand dephosphorization apparatus and phosphorus removing method：With showing
There is technology to compare, a kind of billet caster of the present invention is simple in structure with strand dephosphorization apparatus and phosphorus removing method, and design is reasonable, cost
Cheap, the iron scale of casting billet surface is purged by dephosphorization apparatus, prevents iron scale from falling into the equipment of later process, is protected
The equipment for protecting later process；The phosphorus removing method of the technical program is easy to operate, reduces the labor intensity of manual cleaning iron scale,
Labour is saved, reduces production cost.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is a kind of structure diagram one of billet caster strand dephosphorization apparatus provided in an embodiment of the present invention；
Fig. 2 is a kind of structure diagram two of billet caster strand dephosphorization apparatus provided in an embodiment of the present invention；
Fig. 3 is a kind of water ring, strand and the flame of billet caster strand dephosphorization apparatus provided in an embodiment of the present invention
The position relationship schematic diagram of cutting gun；
Wherein, each reference numeral in figure：
1- control valves；2- flowmeters；3- water rings；4- jet pipes；5- nozzles；6- continuous castings secondary cooling water pipeline；7- gas flame cuttiugs
Rifle；8- pressure gauges；9- connecting tubes；10- strands；11- strand roller-ways；12- is oriented to crossbeam.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another
On one element or it is connected on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", " on ", " under ", "front", "rear", "left", "right", " vertical ",
The orientation or position relationship of the instructions such as " level ", " top ", " bottom " " interior ", " outer " are to be closed based on orientation shown in the drawings or position
System is for only for ease of the description present invention and simplifies description rather than instruction or imply that signified device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of the present invention, " multiple ", " several " be meant that two or
Two or more, unless otherwise specifically defined.
Also referring to Fig. 1 to Fig. 3, now to a kind of billet caster strand dephosphorization apparatus and dephosphorization provided by the invention
Method illustrates, and a kind of billet caster strand dephosphorization apparatus includes：Control device and flusher；The control
Device includes control valve 1, flowmeter 2 and pressure gauge 8；The flusher includes water ring 3, several jet pipes 4 and consolidates with jet pipe
The nozzle 5 connect；The water ring 3 is connected by connecting tube 9 with secondary cooling water pipeline 6, the control valve 1, flowmeter 2 and pressure gauge
8 are mounted in connecting tube 9；The water ring 3 is annular, is strand passage among water ring 3, several described jet pipes 4 are fixed on water
On ring 3 and it is respectively directed to upside, downside, left side and the right side of strand 10.
A kind of billet caster provided by the invention is when in use opened control valve according to strand with strand dephosphorization apparatus
Pulling rate adjusts suitable water flow, and current are the continuous casting secondary cooling water with high pressure, and the jet pipe set up and down passes through spray
The current that mouth sprays form a fan-shaped water beam with impact force, casting billet surface are ejected into, in high pressure sector Water projectile
Under effect, the iron scale cooling meat of casting billet surface is removed with strand parent, and is washed and is left casting billet surface, so as to by oxygen
Change iron sheet to understand totally；Wherein, the angle and quantity of jet pipe and nozzle and strand and pressure flow can be according to actual production feelings
Condition is configured.
A kind of billet caster provided by the invention is with the advantageous effect of strand dephosphorization apparatus and phosphorus removing method：With showing
There is technology to compare, a kind of billet caster of the present invention is simple in structure with strand dephosphorization apparatus and phosphorus removing method, and design is reasonable, cost
Cheap, the iron scale of casting billet surface is purged by dephosphorization apparatus, prevents iron scale from falling into the equipment of later process, is protected
The equipment for protecting later process；The phosphorus removing method of the technical program is easy to operate, reduces the labor intensity of manual cleaning iron scale,
Labour is saved, reduces production cost.
Further, also referring to Fig. 1 and Fig. 2, as a kind of billet caster strand dephosphorization provided by the invention
A kind of specific embodiment of device is in 25 ° of -35 ° of angles between the jet pipe 4 and strand 10.
Further, referring to Fig. 1, one kind as a kind of billet caster strand dephosphorization apparatus provided by the invention
Specific embodiment, the water ring 3 are circular water ring, and the diameter of the circle water ring is not less than 50mm.
Further, as a kind of a kind of billet caster provided by the invention specific embodiment party of strand dephosphorization apparatus
Formula, the water ring 3 are square water ring, and the length of side of the square water ring is not less than 50mm.
Further, also referring to Fig. 1 to Fig. 3, as a kind of billet caster strand dephosphorization provided by the invention
A kind of specific embodiment of device, the spacing between the water ring 3 and strand 10 are not less than 200mm.
Further, also referring to Fig. 1 to Fig. 3, as a kind of billet caster strand dephosphorization provided by the invention
A kind of specific embodiment of device, the jet pipe 4 are welded on water ring 3, and the jet pipe 4 is threadedly coupled with nozzle 5；The spray
4 length of pipe is not less than 80mm.
Further, referring to Fig. 1, one kind as a kind of billet caster strand dephosphorization apparatus provided by the invention
Specific embodiment, the control valve 1 are electronic control valve or hand control valve.
A kind of billet caster strand phosphorus removing method, a kind of billet caster strand described in using any of the above item
Dephosphorization apparatus comprises the following steps：
(1) strand 10 is cooled down by two cold-zones, withdrawal straightening machine aligning；
(2) iron scale of casting billet surface is with temperature drop and straightening deformation and the disengaging of strand body part；
(3) when flame cutter cuts off strand 10, and strand 10 is passed through by strand roller-way 11 among water ring, by control valve
1 opens, and sprays current of the pressure not less than 0.8MPa to strand upper and lower, left and right four direction by nozzle 5, makes casting billet surface
Iron scale cooled down, removed and rinsed；
(4) retracting device is provided with below 10 dephosphorization apparatus of billet caster strand, will be disengaged from the oxidation dropped
Iron sheet recycles.
A kind of billet caster provided by the invention is with a kind of square billet that strand phosphorus removing method is using any of the above one
Conticaster strand dephosphorization apparatus carries out dephosphorization work to the strand of continuous casting link, first that strand is cold by the progress of two cold-zones
But after and being aligned with withdrawal straightening machine, the iron scale of casting billet surface is with temperature and straightening deformation and the disengaging of strand body part；It
Strand enters the strand passage in strand dephosphorization apparatus water ring centre position by strand roller-way afterwards, is arranged at the jet pipe of water ring surrounding
Continuous casting secondary cooling water of the pressure not less than 0.8MPa is sprayed to the four direction up and down of strand by nozzle, makes casting billet surface
Iron scale cooled down, removed and rinsed, make iron scale fall to lower section retracting device on, iron scale is carried out
Recycling；Wherein, continuous casting is 0.8-1.1MPa with the pressure preferred scope of secondary cooling water.
A kind of billet caster provided by the invention is with the advantageous effect of strand phosphorus removing method：With prior art phase
Than a kind of billet caster phosphorus removing method of the present invention is simple in structure, easy to operate, and dephosphorization apparatus is by the iron oxide of casting billet surface
Skin is purged, and prevents iron scale from falling into the equipment of later process, the equipment for protecting later process；Reduce manual cleaning oxygen
Change the labor intensity of iron sheet, save labour, improve the rate of recovery of iron scale, it is with good economic efficiency, reduce production
Cost.
Further, referring to Fig. 1, as a kind of billet caster strand dephosphorization apparatus and dephosphorization provided by the invention
A kind of specific embodiment of method, the current are continuous casting secondary cooling water, when Casting speed changes, are led to according to Casting speed
Cross the flow that control valve 1 adjusts current；Current are directly recycled using the continuous casting on production line with secondary cooling water, are not being increased
Required strand phosphor-removing effect can be reached in the case of extra cost, reduce production cost.
Further, also referring to Fig. 1 to Fig. 3, as a kind of billet caster strand dephosphorization provided by the invention
A kind of specific embodiment of device and phosphorus removing method, the billet caster are installed on strand dephosphorization apparatus away from cutting gun row
On the guiding crossbeam 12 of journey end strand roller-way 11.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of billet caster strand dephosphorization apparatus, it is characterised in that：Including control device and flusher；The control
Device includes control valve, flowmeter and pressure gauge；The flusher includes water ring, several jet pipes and the spray affixed with jet pipe
Mouth；The water ring is connected by connecting tube with secondary cooling water pipeline, and the control valve, flowmeter and pressure gauge are mounted on connecting tube
On；The water ring is annular, is fixed on water ring for strand passage, several described jet pipes among water ring and is respectively directed to strand
Upside, downside, left side and right side.
2. a kind of billet caster strand dephosphorization apparatus as described in claim 1, it is characterised in that：The jet pipe and strand
Between be in 25 ° of -35 ° of angles.
3. a kind of billet caster strand dephosphorization apparatus as described in claim 1, it is characterised in that：The water ring is circle
Water ring, the diameter of the circle water ring are not less than 50mm.
4. a kind of billet caster strand dephosphorization apparatus as claimed in claim 3, it is characterised in that：The water ring is pros
Shape water ring, the length of side of the square water ring are not less than 50mm.
5. a kind of billet caster strand dephosphorization apparatus as described in claim 1, it is characterised in that：The water ring and strand
Between spacing be not less than 200mm.
6. a kind of billet caster strand dephosphorization apparatus as described in claim 1, it is characterised in that：The jet pipe is welded on
On water ring, the jet pipe is connected with nozzle threads；The jet pipe length is not less than 80mm.
7. a kind of billet caster strand dephosphorization apparatus as described in claim 1, it is characterised in that：The control valve is electricity
Sub- control valve or hand control valve.
8. a kind of billet caster strand phosphorus removing method utilizes a kind of billet caster of claim 1-8 any one of them
With strand dephosphorization apparatus, it is characterised in that：Comprise the following steps：
(1) strand is cooled down by two cold-zones, withdrawal straightening machine aligning；
(2) iron scale of casting billet surface is with temperature drop and straightening deformation and the disengaging of strand body part；
(3) when flame cutter cuts off strand, and strand is passed through by strand roller-way among water ring, control valve is opened, is passed through
Nozzle is not less than the current of 0.8MPa to strand upper and lower, left and right four direction injection pressure, makes the iron scale of casting billet surface
It cooled down, removed and is rinsed；
(4) retracting device is provided with below the billet caster strand dephosphorization apparatus, will be disengaged from the iron scale to drop and return
It receives.
9. a kind of billet caster strand phosphorus removing method as claimed in claim 8, it is characterised in that：The current are continuous casting
With secondary cooling water, when Casting speed changes, the flow of current is adjusted by control valve according to Casting speed.
10. a kind of billet caster strand phosphorus removing method as claimed in claim 8, it is characterised in that：The billet continuous casting
Machine is installed on strand dephosphorization apparatus on the roller-oriented crossbeam of strand of cutting gun end of travel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810048927.0A CN108057863A (en) | 2018-01-18 | 2018-01-18 | A kind of billet caster strand dephosphorization apparatus and phosphorus removing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810048927.0A CN108057863A (en) | 2018-01-18 | 2018-01-18 | A kind of billet caster strand dephosphorization apparatus and phosphorus removing method |
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| Publication Number | Publication Date |
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| CN108057863A true CN108057863A (en) | 2018-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810048927.0A Pending CN108057863A (en) | 2018-01-18 | 2018-01-18 | A kind of billet caster strand dephosphorization apparatus and phosphorus removing method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108543922A (en) * | 2018-07-03 | 2018-09-18 | 东北大学 | Fan-shaped section secondary cooling system is used under a kind of solidification end weight |
| CN109513894A (en) * | 2018-12-26 | 2019-03-26 | 中冶京诚工程技术有限公司 | A kind of small billet iron scale processing equipment |
| CN109702162A (en) * | 2019-03-06 | 2019-05-03 | 山东钢铁股份有限公司 | A kind of conticaster and its casting billet surface clearing apparatus |
| CN112207244A (en) * | 2019-07-12 | 2021-01-12 | 常州新武轨道交通新材料有限公司 | Dephosphorization machine capable of improving dephosphorization effect and dephosphorization process for plate blank by dephosphorization machine |
| CN112692248A (en) * | 2020-12-03 | 2021-04-23 | 广西柳钢华创科技研发有限公司 | Method for treating surface scratches of continuous casting slab |
| CN112792309A (en) * | 2020-12-18 | 2021-05-14 | 河钢股份有限公司承德分公司 | Three-section cooling water ring device and cooling method for billet continuous casting machine |
| CN114192928A (en) * | 2021-12-17 | 2022-03-18 | 张家港宏昌钢板有限公司 | Continuous casting billet cutting nodule cleaning device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108543922A (en) * | 2018-07-03 | 2018-09-18 | 东北大学 | Fan-shaped section secondary cooling system is used under a kind of solidification end weight |
| CN109513894A (en) * | 2018-12-26 | 2019-03-26 | 中冶京诚工程技术有限公司 | A kind of small billet iron scale processing equipment |
| CN109702162A (en) * | 2019-03-06 | 2019-05-03 | 山东钢铁股份有限公司 | A kind of conticaster and its casting billet surface clearing apparatus |
| CN112207244A (en) * | 2019-07-12 | 2021-01-12 | 常州新武轨道交通新材料有限公司 | Dephosphorization machine capable of improving dephosphorization effect and dephosphorization process for plate blank by dephosphorization machine |
| CN112692248A (en) * | 2020-12-03 | 2021-04-23 | 广西柳钢华创科技研发有限公司 | Method for treating surface scratches of continuous casting slab |
| CN112692248B (en) * | 2020-12-03 | 2022-03-11 | 广西柳钢华创科技研发有限公司 | Method for treating surface scratches of continuous casting slab |
| CN112792309A (en) * | 2020-12-18 | 2021-05-14 | 河钢股份有限公司承德分公司 | Three-section cooling water ring device and cooling method for billet continuous casting machine |
| CN114192928A (en) * | 2021-12-17 | 2022-03-18 | 张家港宏昌钢板有限公司 | Continuous casting billet cutting nodule cleaning device |
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