CN104001887B - A kind of device on strand width, secondary cooling water shunted - Google Patents
A kind of device on strand width, secondary cooling water shunted Download PDFInfo
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- CN104001887B CN104001887B CN201410260700.4A CN201410260700A CN104001887B CN 104001887 B CN104001887 B CN 104001887B CN 201410260700 A CN201410260700 A CN 201410260700A CN 104001887 B CN104001887 B CN 104001887B
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- displacement transducer
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Abstract
One carries out part flow arrangement to secondary cooling water on strand width, including being fixed on aerial fog nozzle on sector-segment frames, two pieces of water fenders, the hydraulic cylinder of two band displacement transducers and control system, the hydraulic cylinder of two band displacement transducers is respectively fixedly connected with the both sides at sector-segment frames strand width, it is positioned at the position corresponding with aerial fog nozzle, two pieces of water fenders are connected to the piston rod end of the hydraulic cylinder of band displacement transducer, water fender is positioned at above casting billet surface, during the initial position of the piston rod of the hydraulic cylinder with displacement transducer, distance between two pieces of water fenders is the Breadth Maximum A of strand, hydraulic cylinder with displacement transducer is connected with control system.Provide the benefit that: can be according to the strand width sections produced, the cooling water that online dynamic shunt strand edge is unnecessary, simple in construction, easy to operate, control accurately, reliable in action, it is to avoid strand edge is subcooled the quality problems brought.
Description
Technical field
The invention belongs to field of metallurgical mechanical equipment, particularly to the cooling water diversion device of slab caster.
Background technology
In process of production, molten steel cooled and solidified in crystallizer becomes to have certain thickness green shell conticaster
Strand, then drives through fan-shaped section motor and makes to enter with the high temperature strand of the liquid heart fan-shaped section guiding area, casting
Base continues descending at fan-shaped section guiding area, by aerial fog nozzle, it is carried out cooling twice, aerosol two simultaneously
Secondary cooling must assure that the uniformity of casting blank surface temperature, it is to avoid casting billet surface occur Transverse Temperature Gradient excessive,
The phenomenons such as edge supercooling.
The aerial fog nozzle of the slab caster of prior art is generally pressed casting machine and is produced Breadth Maximum section casting blank cloth
Put, and be fixed on sector-segment frames, owing to high temperature strand corner in cooling, process of setting is two dimension
Heat radiation, the aerosol secondary cooling water that nozzle is sprayed need not cover strand edge, as shown in Figure 1.Existing skill
The deficiency of art is: but when conticaster changes production light section strand, due to fixing of nozzle location, strand limit
Portion will be covered by aerosol cooling water, surfusion occurs, so that strand produces the matter such as corner transverse crack
Amount defect.
Summary of the invention
It is an object of the invention to design a kind of dress on strand width, secondary cooling water shunted
Put, when conticaster produces and changes specifications section, according to strand width, edge secondary cooling water shunted,
Avoid strand edge to be subcooled, it is ensured that cc billet surface quality, increase economic efficiency.
The purpose of the present invention is achieved through the following technical solutions: a kind of cold to secondary on strand width
But water carries out part flow arrangement, including being fixed on aerial fog nozzle on sector-segment frames, it is characterised in that: described
The device on strand width shunted secondary cooling water also includes two pieces of water fenders, two band displacements
The hydraulic cylinder of sensor and control system, the hydraulic cylinder of band displacement transducer is respectively fixedly connected with at fan-shaped section frame
On frame, the hydraulic cylinder of two band displacement transducers, respectively on the both sides of strand width, is positioned at and sprays with aerosol
The position that mouth is corresponding, two pieces of water fenders are connected to the piston rod end of the hydraulic cylinder of band displacement transducer,
Water fender is positioned at above casting billet surface, and water fender lower edge is away from strand upper surface 10～20mm, band displacement transducer
The initial position of piston rod of hydraulic cylinder time, the distance between two pieces of water fenders is the Breadth Maximum A of strand,
Hydraulic cylinder with displacement transducer is connected with control system.
One of the present invention carries out part flow arrangement to secondary cooling water on strand width, and its feature exists
In: described water fender is two vertical plates, and the reinforcement that the lower edge band oriented hydraulic cylinder direction of two vertical plates is stretched out is put down
Plate.
One of the present invention carries out part flow arrangement to secondary cooling water on strand width, and its feature exists
In: described control system is the PLC control system of built-in control program.
A kind of controlling party that on strand width, secondary cooling water is carried out part flow arrangement of the present invention
Method, controls hydraulic cylinder piston rod flexible of band displacement transducer including PLC control system, it is characterised in that:
Described PLC control system controls the flexible of hydraulic cylinder piston rod of band displacement transducer and comprises the following steps:
1) input to PLC control system and fix conticaster produce strand Breadth Maximum A, i.e. two pieces dash
Distance and the strand edge of setting between plate initial position are not cooled down, by aerosol, the width a that water covers；
2) when the width adjustment that conticaster produces strand is B, after the PLC control system adjustment according to input
The width B of strand calculates the value of (A-B)/2, controls the hydraulic cylinder piston of the band displacement transducer on strand both sides
Bar stretches out { (A-B)/2}+a in strand simultaneously；
3) the piston rod end water fender of the hydraulic cylinder of band displacement transducer aerial fog nozzle is sprayed at { (A-B)
Secondary cooling water beyond/2}+a distributes outside strand.
Compared with prior art, the method have the advantages that
The device on this strand width shunted secondary cooling water can be produced according to slab caster
Strand width sections, the online cooling water the most unnecessary to strand edge after being calculated by PLC control system
Shunt, need not manually participate in, simple in construction, easy to operate, control accurately, reliable in action, it is to avoid
Strand edge is subcooled, and the quality problems such as edge cracks occurs；Improve the market competitiveness and economic benefit.
Accompanying drawing explanation
Fig. 1 is the Secondary Cooling Zone of Slab Concaster system schematic of prior art.
Fig. 2 is, on the strand width of the present invention, secondary cooling water is carried out part flow arrangement schematic diagram.
In figure: 1. the hydraulic cylinder 5. of aerial fog nozzle 2. strand 3. water fender 4. band displacement transducer
PLC control system
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
Embodiment is the strand width side on 200 × 800 1600mm units, single current corrosion resistant plate billet continuous casting machine
Upwards secondary cooling water is carried out part flow arrangement.Device includes being fixed on aerial fog nozzle 1, two on sector-segment frames
The hydraulic cylinder 4 of 3, two band displacement transducers of block water fender and PLC control system 5, band displacement transducer
Hydraulic cylinder 4 is respectively fixedly connected with on sector-segment frames, and the hydraulic cylinder 4 of two band displacement transducers exists respectively
The both sides of strand 2 width, are positioned at the position corresponding with aerial fog nozzle 1, and water fender 3 is the most flat
Plate, the reinforcement flat board that the lower edge band oriented hydraulic cylinder direction of two vertical plates is stretched out, two pieces of water fenders 3 connect respectively
Being connected on the piston rod end of the hydraulic cylinder 4 of band displacement transducer, water fender 3 is positioned at strand 2 surface,
Water fender lower edge is away from strand upper surface 15mm, the initial position of the piston rod of the hydraulic cylinder 4 of band displacement transducer
Time, the distance between two pieces of water fenders 3 is the Breadth Maximum A of strand, the hydraulic cylinder of band displacement transducer 4 with
Control system is connected.
Control method is that PLC control system 5 controls the flexible of hydraulic cylinder 4 piston rod of band displacement transducer,
Comprise the following steps:
1) to PLC control system 5 input and fix conticaster produce strand 2 Breadth Maximum A, i.e. two pieces
Distance and the strand edge of setting between water fender 3 initial position are not cooled down, by aerosol, the width a that water covers；
2) when the width adjustment that conticaster produces strand 2 is B, PLC control system 5 is according to the tune of input
The width B of whole rear strand 2 calculates the value of (A-B)/2, controls the liquid of the band displacement transducer on strand 2 both sides
Cylinder pressure 4 piston rod stretches out { (A-B)/2}+a in strand 2 simultaneously；
3) the piston rod end water fender 3 of the hydraulic cylinder 4 of band displacement transducer aerial fog nozzle is sprayed
{ secondary cooling water beyond (A-B)/2}+a distributes outside strand 2.
Claims (2)
1. the device on strand width, secondary cooling water shunted, including
The aerial fog nozzle (1) being fixed on sector-segment frames, two pieces of water fenders (3), two band displacements
The hydraulic cylinder (4) of sensor and control system, the hydraulic cylinder (4) of band displacement transducer is respectively
Being fixedly connected on sector-segment frames, the hydraulic cylinder (4) of two band displacement transducers sets respectively
On the both sides of strand (2) width, it is positioned at the position corresponding with aerial fog nozzle (1),
Two pieces of water fenders (3) are connected to the tailpiece of the piston rod of the hydraulic cylinder (4) of band displacement transducer
Portion, water fender (3) is positioned at strand (2) surface, and water fender lower edge is away from strand upper surface
10～20mm, the piston rod of the hydraulic cylinder (4) of band displacement transducer when initial position, two
Distance between block water fender (3) is the Breadth Maximum A of strand, the liquid of band displacement transducer
Cylinder pressure (4) is connected with control system, and described control system is the PLC control of built-in control program
System processed (5), it is characterised in that: described water fender (3) is two vertical plates, two vertical plates
The reinforcement flat board that stretches out of lower edge band oriented hydraulic cylinder direction.
2. secondary cooling water is entered on strand width by one kind as claimed in claim 1
The control method of row part flow arrangement, controls band displacement transducer including PLC control system (5)
Hydraulic cylinder (4) piston rod stretch, it is characterised in that: described PLC control system (5)
The piston rod of the hydraulic cylinder (4) controlling band displacement transducer is flexible to be comprised the following steps:
1) input to PLC control system (5) and determine that conticaster produces strand (2)
Big width A, the distance between i.e. two pieces water fender (3) initial positions and the strand limit of setting
The width a that portion is not covered by aerosol cooling water；
2) when the width adjustment that conticaster produces strand (2) is B, PLC control system (5)
After adjustment according to input, the width B of strand (2) calculates the value of (A-B)/2, controls casting
The piston rod of the hydraulic cylinder (4) of the band displacement transducer on base (2) both sides is simultaneously to strand (2)
Inside stretch out { (A-B)/2}+a；
3) the piston rod end water fender (3) of the hydraulic cylinder (4) of band displacement transducer is by gas
Atomizing nozzle ejection { secondary cooling water beyond (A-B)/2}+a distributes strand (2)
Outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410260700.4A CN104001887B (en) | 2014-06-12 | 2014-06-12 | A kind of device on strand width, secondary cooling water shunted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410260700.4A CN104001887B (en) | 2014-06-12 | 2014-06-12 | A kind of device on strand width, secondary cooling water shunted |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104001887A CN104001887A (en) | 2014-08-27 |
| CN104001887B true CN104001887B (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410260700.4A Active CN104001887B (en) | 2014-06-12 | 2014-06-12 | A kind of device on strand width, secondary cooling water shunted |
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| Country | Link |
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| CN (1) | CN104001887B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113290218B (en) * | 2021-05-19 | 2022-07-01 | 日照钢铁控股集团有限公司 | Design method of fan-shaped section nozzle of continuous casting machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2504015Y (en) * | 2001-09-28 | 2002-08-07 | 宝山钢铁股份有限公司 | Cooling sprayer nozzle gap regulator of conticaster |
| CN101422970A (en) * | 2007-11-02 | 2009-05-06 | 北京中科三环高技术股份有限公司 | Positional control bidirectional pressed moulding press |
| CN201463805U (en) * | 2009-06-22 | 2010-05-12 | 宝山钢铁股份有限公司 | Slab width gauge |
| CN102744382A (en) * | 2011-12-28 | 2012-10-24 | 中国重型机械研究院有限公司 | Electrodeless widthwise cutting device and method for adjusting secondary cooling water |
| CN203109192U (en) * | 2012-12-30 | 2013-08-07 | 南阳汉冶特钢有限公司 | Casting blank surface cooling device |
| CN203900428U (en) * | 2014-06-12 | 2014-10-29 | 大连华锐重工集团股份有限公司 | Device for shunting secondary cooling water in width direction of casting blank |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5131229B2 (en) * | 2009-03-06 | 2013-01-30 | 新日鐵住金株式会社 | Slab continuous casting method |
-
2014
- 2014-06-12 CN CN201410260700.4A patent/CN104001887B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2504015Y (en) * | 2001-09-28 | 2002-08-07 | 宝山钢铁股份有限公司 | Cooling sprayer nozzle gap regulator of conticaster |
| CN101422970A (en) * | 2007-11-02 | 2009-05-06 | 北京中科三环高技术股份有限公司 | Positional control bidirectional pressed moulding press |
| CN201463805U (en) * | 2009-06-22 | 2010-05-12 | 宝山钢铁股份有限公司 | Slab width gauge |
| CN102744382A (en) * | 2011-12-28 | 2012-10-24 | 中国重型机械研究院有限公司 | Electrodeless widthwise cutting device and method for adjusting secondary cooling water |
| CN203109192U (en) * | 2012-12-30 | 2013-08-07 | 南阳汉冶特钢有限公司 | Casting blank surface cooling device |
| CN203900428U (en) * | 2014-06-12 | 2014-10-29 | 大连华锐重工集团股份有限公司 | Device for shunting secondary cooling water in width direction of casting blank |
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| Publication number | Publication date |
|---|---|
| CN104001887A (en) | 2014-08-27 |
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