CN207756865U - A kind of hot base corner crack Hand scarf device - Google Patents
A kind of hot base corner crack Hand scarf device Download PDFInfo
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- CN207756865U CN207756865U CN201721864787.1U CN201721864787U CN207756865U CN 207756865 U CN207756865 U CN 207756865U CN 201721864787 U CN201721864787 U CN 201721864787U CN 207756865 U CN207756865 U CN 207756865U
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- strand
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Abstract
The utility model is related to a kind of hot base corner crack Hand scarf device, fan-shaped section and fire in conticaster are set and cut between machine；Including inner arc cleaning rifle, outer arc cleaning rifle, side Slag treatment hydraulic giant, inner arc water curtain, outer arc water curtain, clamp, trolley and cart；Cart is across strand and transports above roller-way, and 2 trolleies are respectively arranged on cart both sides and can be moved back and forth along perpendicular to the direction that strand conveys；2 clamps are respectively arranged on the trolley of both sides；2 groups of inner arc cleaning rifles, 2 groups of outer arc cleaning rifles and 2 groups of side Slag treatment hydraulic giants are respectively arranged 1 group on the trolley of both sides respectively, utility model can be carried out at the same time cleaning to the corner of strand quadrangle, so that it is seamlessly transitted, effectively avoids that " corner weight clear " region is excessive, high disadvantage is lost in iron and steel stock；And Hand scarf does not influence continuous casting rhythm.
Description
Technical field
The utility model is related to continuous casting technical fields, more particularly to one kind being suitable for Hand scarf hot-cast base quadrangle angle
The hot base corner crack Hand scarf device of portion's crackle.
Background technology
By the slab of the horizontal such as pipe line steel kind for being restricted, being produced through conticaster of current continuous casting process, corner is usual
Can have a crackle, product cannot meet hot sending and require, and offline can only clear up, then reach the standard grade it is cold give, not only restrict production efficiency, more damage
It loses a large amount of thermal energy, increase carbon emission.
" a kind of bad corner cleaning plant of plate and cleaning side are disclosed application No. is 201410816308.3 Chinese patent
Method " by cleaning plant setting in the outlet of caster two cold room and between fire cuts machine, including nozzle, burner, medium box, traversing is set
Standby, synchronizer, medium box are fixedly connected with burner, nozzle, and medium box, synchronizer are arranged on shifting equipment, synchronize and set
Standby that medium box, nozzle and burner is driven to be moved along strand moving direction, medium box provides combustion gas for burner；Medium box supplies for nozzle
Water.The advantages of technical solution is：The crackle cleaning in the strands inner arc side corners Liang Ge such as the pipe line steel suitable for conticaster production,
Clearing apparatus is arranged on continuous casting machine production line, realizes Hand scarf crackle, does not influence online normal production；It is not take up production week
Swivel link, hot sending rate greatly improve, and are not necessarily to manual cleaning, save a large amount of labor services.But it cannot achieve the clear of 4 corner cracks
Reason.
Invention content
The utility model provides a kind of hot base corner crack Hand scarf device, can be to the corner of strand quadrangle simultaneously
It is cleared up, it is made to seamlessly transit, effectively avoid that " corner weight clear " region is excessive, high disadvantage is lost in iron and steel stock；And it is online clear
Reason does not influence continuous casting rhythm.
In order to achieve the above object, the utility model is realized using following technical scheme：
A kind of hot base corner crack Hand scarf device is arranged fan-shaped section and fire in conticaster and cuts between machine；Including interior
Arc clears up rifle, outer arc cleaning rifle, side Slag treatment hydraulic giant, inner arc water curtain, outer arc water curtain, clamp, trolley and cart；Cart across
It is transported above roller-way in strand, 2 trolleies are respectively arranged on cart both sides and can be moved back and forth along perpendicular to the direction that strand conveys；
2 clamps are respectively arranged on the trolley of both sides for strand to be clamped, and clamp drives cart servo-actuated with strand after clamping strand；In 2 groups
Arc cleaning rifle, 2 groups of outer arc cleaning rifles and 2 groups of side Slag treatment hydraulic giants are respectively arranged 1 group on the trolley of both sides respectively, and wherein inner arc is clear
Reason rifle is correspondingly arranged at the interior top of two side corner sections of strand inner arc；Outer arc cleaning rifle is correspondingly arranged at the outside upper of two side corner sections of strand outer arc
Side；Side Slag treatment hydraulic giant is correspondingly arranged at the outer top of strand two sides；Inner arc water curtain is 2 groups, is respectively correspondingly arranged in strand fortune
Send the both sides of roller-way；Outer arc water curtain is correspondingly arranged at the lower section of strand.
The inner arc cleaning rifle, outer arc cleaning rifle include gun body, nozzle and cooling-water duct, and gun body front end sets nozzle,
The center of nozzle sets cleaning eye, and the periphery of cleaning eye sets preheating gate, and cleaning eye is connect with cleaning oxygen channel, preheating gate with it is flammable
Gas and the connection of preheated oxygen pipeline；The periphery of gun body sets cooling-water duct, the external cooling water pipeline of cooling-water duct connection.
Cylindrical spout is set on the side Slag treatment hydraulic giant.
The inner arc water curtain and outer arc water curtain are made of multiple fan nozzles arranged side by side.
Compared with prior art, the utility model has the beneficial effects that：
1) it is different from conventional " corner weight is clear " using scarfing, corner is really cleared up, seamlessly transits, it can be effective
Avoid that " corner weight clear " region is excessive, high disadvantage is lost in iron and steel stock；
2) continuous casting machine fan-shaped segment and pulling-straightening equipment is utilized to replace traditional " strand clamping and conveying device ", utilize casting machine Slag treatment system
System saves great deal of investment, is not take up land resource as " cleaning slag disposal system "；
5) it can be achieved to be not take up production time transformation, do not shut down debugging, do not influence existing rhythm of production；
6) strand is not necessarily to offline, direct hot sending, does not influence any process procedure, saves the costs such as mass energy.
Description of the drawings
Fig. 1 is the structural schematic diagram of hot base corner crack Hand scarf device described in the utility model.
Fig. 2 is the positioning relation schematic diagram of hot base corner crack Hand scarf device described in the utility model.
In figure：1,2. inner arcs cleaning rifle 3,4. outer arcs cleaning rifle 5,6. side Slag treatment hydraulic giants 7,8. inner arc water curtains 9,
10. clamp 11,12. trolley, 13. outer arc water curtain, 14. cart, 15. strand
Specific implementation mode
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings：
As shown in Figure 1, a kind of hot base corner crack Hand scarf device described in the utility model, is arranged the fan in conticaster
Shape section and fire are cut between machine；Including inner arc cleaning rifle, outer arc cleaning rifle, side Slag treatment hydraulic giant, inner arc water curtain, outer arc water curtain,
Clamp, trolley and cart；Cart is across strand and transports above roller-way, and 2 trolleies are respectively arranged on cart both sides and can be along vertical
It is moved back and forth in the direction of strand conveying；2 clamps are respectively arranged on the trolley of both sides for strand to be clamped, after clamp clamps strand
Drive cart servo-actuated with strand；2 groups of inner arc cleaning rifles, 2 groups of outer arc cleaning rifles and 2 groups of side Slag treatment hydraulic giants are small in both sides respectively
1 group is respectively arranged on vehicle, wherein inner arc cleaning rifle is correspondingly arranged at the interior top of two side corner sections of strand inner arc；Outer arc cleaning rifle correspondence is set
In the outer top of two side corner sections of strand outer arc；Side Slag treatment hydraulic giant is correspondingly arranged at the outer top of strand two sides；Inner arc water curtain
It is 2 groups, is respectively correspondingly arranged in the both sides that strand transports roller-way；Outer arc water curtain is correspondingly arranged at the lower section of strand.
The inner arc cleaning rifle, outer arc cleaning rifle include gun body, nozzle and cooling-water duct, and gun body front end sets nozzle,
The center of nozzle sets cleaning eye, and the periphery of cleaning eye sets preheating gate, and cleaning eye is connect with cleaning oxygen channel, preheating gate with it is flammable
Gas and the connection of preheated oxygen pipeline；The periphery of gun body sets cooling-water duct, the external cooling water pipeline of cooling-water duct connection.
Cylindrical spout is set on the side Slag treatment hydraulic giant.
The inner arc water curtain and outer arc water curtain are made of multiple fan nozzles arranged side by side.
The principle of the utility model application is as follows：
1) it preheats：Under the calcination of fuel gas (referred to as " preheating "), metal can be melted gradually in strand corner, form one
Divide molten metal (referred to as " molten bath ").
Reaction principle：C3H4+5O2→3CO2+4H2O；
2) it clears up：The heat generated using oxidation reaction clears up metal material (strand), and molten bath is in purge oxygen
Promotion under move forwards, to make strand corner crack be cleaned out.
Reaction principle：Fe+1/2O2→FeO+64kcal；
2Fe+3/2O2→Fe2O3+195kcal；
3Fe+2O2→Fe3O4+267kcal；
Conventional cleaning method：Online slab scafing equipment is typically disposed on the runout table after fire cuts machine, including
Centralising device, clamping device, driving device and cleaning equipment etc..
Hot base corner crack Hand scarf device described in the utility model is arranged between fan-shaped section and fire cut machine, does not influence
Any function of casting machine." clamping device ", " pulling-straightening equipment " that " fan-shaped section " is equivalent to conventional plate blank cleaning system are equivalent to routine
Slab is cleared up " driving device " of system, cleaning plant automatic centering, without additional setting centralising device, is saved a large amount of equipments and is thrown
Money.
The utility model in hot base corner crack Hand scarf device each component function it is as follows：
1) inner arc clears up rifle 1,2：Respectively set one group in 15 both sides of strand along 15 width direction of strand, and be fixed on trolley 11,
On 12, when prune job, it is located at the interior top of 15 inner arc of strand, two side corner sections.Fuel gas is pressed with preheating oxygen in gun body
Ratio mixes, and sprays, lights through the preheating gate of burner periphery and realize pre- hot function, forms predetermined molten bath；Oxygen is cleared up through gun body
Intermediate conduit is sprayed by cleaning eye among burner, and oxidation reaction occurs with molten bath, realizes clearing function；Inner arc is cleared up rifle 1,2 and is had
There is Forced water cooling function.
2) outer arc clears up rifle 3,4：One group is respectively set in 15 both sides of strand along 15 width direction of strand, is fixed on trolley 11,12
On, when prune job, it is located at the outer top of 15 outer arc of strand, two side corner sections.Fuel gas with preheating oxygen in gun body by than
Example mixing, sprays through the preheating gate of burner periphery, lights and realize pre- hot function, form predetermined molten bath；Oxygen is cleared up through in gun body
Between pipeline sprayed by cleaning eye among burner, oxidation reaction occurs with molten bath, realizes clearing function；Outer arc cleaning rifle 3,4 has
Forced water cooling function.
3) side Slag treatment hydraulic giant 5,6:One group is respectively set in 15 both sides of strand along 15 width direction of strand, is fixed on trolley
11, on 12, when prune job, it is located at the outer top of 15 two sides of strand, water nozzle sprays water jets under high pressure, by 15 side of strand
The remaining slag in face is destroyed, is smashed, and is sent into slag runner.
4) inner arc water curtain 7,8：It is respectively arranged on strand and transports roller-way both sides, spray high pressure water by combining covering of the fan nozzle,
The slag (Fe oxides) that inner arc cleaning rifle 1,2 is blown out is captured, and smashes, be sent into slag runner.
5) outer arc water curtain 13：Positioned at 15 lower section of strand, high pressure water is sprayed by combining covering of the fan nozzle, captures outer arc cleaning
The slag (Fe oxides) that rifle 3,4 is blown out, and smash, be sent into slag runner.
6) clamp 9,10：One group is respectively set in 15 both sides of strand along 15 width direction of strand, is fixed on trolley 11,12, together
When action clamp the two sides of strand 15, realization device positioning and servo-actuated clamping function.
7) trolley 11,12：One is respectively set in 15 both sides of strand along 15 width direction of strand, effect is to drive inner arc cleaning
Rifle 1,2, outer arc clear up rifle 3,4, and side Slag treatment hydraulic giant 5,6, clamp 9,10 etc. are moved back and forth perpendicular to casting stream direction.
8) cart 14：For driving trolley 11,12 etc. to be moved back and forth along casting stream direction.
Following embodiment is implemented under premised on technical solutions of the utility model, gives detailed embodiment
With specific operating process, but the scope of protection of the utility model is not limited to following embodiments.Side used in following embodiments
Method is conventional method unless otherwise instructed.
【Embodiment】
In the present embodiment, online corner crack cleaning is carried out to the strand 15 that thickness is 200mm (width is unlimited), step is such as
Under：
1) hot base corner crack Hand scarf device is added between the fan-shaped section of conticaster and fire cut machine；
2) hot base corner crack Hand scarf device positioning (as shown in Figure 2)；
Determine positioning datum；
Three-dimensional coordinate：To fix fixed plate plane and 15 upper surface of strand, corresponding that inner arc clears up rifle 1 on trolley 11,12
The joint of 15 side of side strand is origin O, origin along 15 upper surface of strand and side intersecting lens inverse casting stream direction be X-axis just
To origin is along 15 upper surface of strand and is perpendicularly oriented to 15 center position of strand as Y-axis forward direction, and origin is perpendicular to 15 upper surface of strand
Upward direction is that Z axis is positive, establishes coordinate system；
Three axis：If inner arc clears up rifle 1, the axis of 2 burners is a, outer arc clears up rifle 3, the axis of 4 burners is b, side
The water nozzle axis of Slag treatment hydraulic giant 5,6 is c；
Three centers：If the burner end face center that inner arc clears up rifle 1,2 is O1, outer arc clear up rifle 3,4 burner end face in
The heart is O3, the water nozzle end face center of side Slag treatment hydraulic giant 5,6 is O5；
Device positions：
Inner arc cleaning rifle 1,2 is located in XZ plane first quartiles, and axis a and X-axis forward direction angle are 35 °, with the faces XY angle
It is 25 °；O1Coordinate is (80,35,22).
Outer arc cleaning rifle 3,4 is located in XZ plane first quartiles, and axis b and X-axis forward direction angle are 35 °, with the faces XZ angle
It is 25 °；O3Coordinate is (40, -22, -165).
The axis c of side Slag treatment hydraulic giant 5,6 is parallel to Y-axis, O5Coordinate is (55, -2.5,3), hydraulic pressure >=120bar (water
Mouth internal diameter is 4mm)；
2 groups of inner arcs clear up rifle 1,2, and outer arc clears up rifle 3,4 and side Slag treatment hydraulic giant 5,6 and presses casting flow center line mirror image respectively
Positioning；
Inner arc water curtain 7,8 is located at strand and transports on the outside of roller-way at 200mm, is 30 ° with the faces XZ angle, 2 groups of inner arc water curtains 7,8
By casting flow center line mirror image positioning, hydraulic pressure >=120bar；
Outer arc water curtain 13 be located at the lower section of cart 14, inner arc water curtain 7,8 inside, it is parallel with the faces XY, with 15 lower surface of strand
Spacing is 100mm, hydraulic pressure >=120bar；
3) preheating prepares：13 water flowing of inner arc water curtain 7,8 and outer arc water curtain, inner arc clears up rifle 1,2 and outer arc clears up 3,4 points of rifle
Fire；
4) preheating positioning：Trolley 11,12 is moved to 15 center of strand, after clamp 9,10 is respectively held against 15 two sides of strand
It is automatically stopped, inner arc clears up rifle 1,2, and outer arc clears up rifle 3,4 and side Slag treatment hydraulic giant 5,6 presses predeterminated position automatic and accurate pair
Position；
5) it preheats：Preheated fuel gas and preheating oxygen valve are opened, and inner arc cleaning rifle 1,2, outer arc cleaning rifle 3,4 start to preheat, cart
14 with 15 synchronizing moving of strand, ensure hot spot it is constant；Propane pressure >=1.0bar, oxygen pressure >=5.0bar preheat 18s,
Molten bath is formed in 15 corner of strand, warm terminates；
6) it clears up：After molten bath is formed, cleaning oxygen valve is pressed default aperture and is opened, and clamp 9,10 unclamps, and cart 14 is no longer
It is moved with strand 15, in 15 moving process of strand, molten bath does relative motion with cleaning oxygen, is continuously finished scale removal process；Because each
Cleaning rifle 1,4 is respectively provided with an angle with X, Y, Z axis, and the part for corresponding to molten bath is able to retain and protect along X-axis positive direction
It holds continuously, another part is detached from strand along cleaning rifle 1-4 axis directions and enters corresponding water curtain；Oxygen pressure >=10.0bar；
7) flue gas trapping and Slag treatment：Inner arc cleaning rifle 1,2 clear up slag enter inner arc water curtain 7,8, with granulation water into
Enter slag runner；The slag that outer arc cleaning rifle 3,4 is cleared up enters outer arc water curtain 13, enters slag runner with granulation water；Side Slag treatment hydraulic giant
5,6 water column sprays downwards along 15 side of strand, under the slag that 15 side of strand is remained in scale removal process is smashed and entered
Square slag runner.
Strand corner crack through cleaning is all removed, and is realized and seamlessly transitted.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its design is subject to equivalent substitution or change, should be covered within the scope of the utility model.
Claims (4)
1. a kind of hot base corner crack Hand scarf device, which is characterized in that be arranged fan-shaped section and fire in conticaster cut machine it
Between；Including inner arc cleaning rifle, outer arc cleaning rifle, side Slag treatment hydraulic giant, inner arc water curtain, outer arc water curtain, clamp, trolley and big
Vehicle；Cart is across strand and transports above roller-way, and 2 trolleies are respectively arranged on cart both sides and can be along perpendicular to the side that strand conveys
To reciprocating movement；2 clamps are respectively arranged on the trolley of both sides for strand to be clamped, and clamp drives cart and strand after clamping strand
It is servo-actuated；2 groups of inner arc cleaning rifles, 2 groups of outer arc cleaning rifles and 2 groups of side Slag treatment hydraulic giants are respectively arranged 1 group on the trolley of both sides respectively,
Wherein inner arc cleaning rifle is correspondingly arranged at the interior top of two side corner sections of strand inner arc；Outer arc cleaning rifle is correspondingly arranged at strand outer arc both sides
The outer top in corner；Side Slag treatment hydraulic giant is correspondingly arranged at the outer top of strand two sides；Inner arc water curtain is 2 groups, is corresponded to respectively
The both sides of roller-way are transported set on strand；Outer arc water curtain is correspondingly arranged at the lower section of strand.
2. a kind of hot base corner crack Hand scarf device according to claim 1, which is characterized in that the inner arc cleaning
Rifle, outer arc cleaning rifle include gun body, nozzle and cooling-water duct, and gun body front end sets nozzle, and the center of nozzle sets cleaning eye, clearly
The periphery in reason hole sets preheating gate, and cleaning eye is connect with cleaning oxygen channel, and preheating gate connects with fuel gas and preheated oxygen pipeline
It connects；The periphery of gun body sets cooling-water duct, the external cooling water pipeline of cooling-water duct connection.
3. a kind of hot base corner crack Hand scarf device according to claim 1, which is characterized in that at the side slag
Cylindrical spout is set on reason hydraulic giant.
4. a kind of hot base corner crack Hand scarf device according to claim 1, which is characterized in that the inner arc water curtain
It is made of multiple fan nozzles arranged side by side with outer arc water curtain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864787.1U CN207756865U (en) | 2017-12-27 | 2017-12-27 | A kind of hot base corner crack Hand scarf device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864787.1U CN207756865U (en) | 2017-12-27 | 2017-12-27 | A kind of hot base corner crack Hand scarf device |
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| Publication Number | Publication Date |
|---|---|
| CN207756865U true CN207756865U (en) | 2018-08-24 |
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ID=63185142
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721864787.1U Active CN207756865U (en) | 2017-12-27 | 2017-12-27 | A kind of hot base corner crack Hand scarf device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108015245A (en) * | 2017-12-27 | 2018-05-11 | 鞍钢股份有限公司 | A kind of hot base corner crack Hand scarf device and method |
| CN109226708A (en) * | 2018-11-21 | 2019-01-18 | 西峡龙成特种材料有限公司 | Online facing attachment and conticaster |
| CN110252978A (en) * | 2019-06-25 | 2019-09-20 | 鞍钢股份有限公司 | A kind of method and device of efficient removal slab burr |
-
2017
- 2017-12-27 CN CN201721864787.1U patent/CN207756865U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108015245A (en) * | 2017-12-27 | 2018-05-11 | 鞍钢股份有限公司 | A kind of hot base corner crack Hand scarf device and method |
| CN109226708A (en) * | 2018-11-21 | 2019-01-18 | 西峡龙成特种材料有限公司 | Online facing attachment and conticaster |
| CN110252978A (en) * | 2019-06-25 | 2019-09-20 | 鞍钢股份有限公司 | A kind of method and device of efficient removal slab burr |
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