CN110184431A - Surface of steel plate is avoided to generate the quenching press roller-way arragement construction of longitudinal quenching item print - Google Patents
Surface of steel plate is avoided to generate the quenching press roller-way arragement construction of longitudinal quenching item print Download PDFInfo
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- CN110184431A CN110184431A CN201810485848.6A CN201810485848A CN110184431A CN 110184431 A CN110184431 A CN 110184431A CN 201810485848 A CN201810485848 A CN 201810485848A CN 110184431 A CN110184431 A CN 110184431A
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- Prior art keywords
- roller
- quenching
- pair
- steel plate
- cooling
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 50
- 239000010959 steel Substances 0.000 title claims abstract description 50
- 238000010791 quenching Methods 0.000 title claims abstract description 49
- 230000000171 quenching effect Effects 0.000 title claims abstract description 47
- 238000010276 construction Methods 0.000 title claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 46
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000000498 cooling water Substances 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000007921 spray Substances 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 235000019628 coolness Nutrition 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/62—Quenching devices
- C21D1/667—Quenching devices for spray quenching
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
Abstract
The present invention relates to a kind of quenching press roller-way arragement constructions for avoiding surface of steel plate from generating longitudinal quenching item print, it is characterized by: particularly relating to quench the roller-way arrangement of cooling high pressure section, including being successively set on first pair after gap nozzle real roller, second pair of grooved roller, third to grooved roller and remaining several pairs of real rollers, the upper roller of described first pair real roller raises 5mm or more, the upper roller of second pair of grooved roller raises 3mm or more and not higher than the upper roller of first pair of real roller, and the third clamps steel plate to grooved roller and remaining several pairs of real rollers.Using two sections of reinforcing coolings of high pressure, it can guarantee the cooling uniformity of steel plate in cooling process, eliminate longitudinal quenching item print, and keep the control that two sections of high pressure are strengthened with cooling procedure light plate plate shape.
Description
Technical field
The present invention relates to the roller-way arragement constructions of quenching press more particularly to quenching press.
Background technique
In recent years, with the rapid development of heat treatment technics, quenching technique also achieves biggish progress.For quenching
Lighter roller mainly has real roller, grooved roller.Most of quenching press high pressure section uses grooved roller, such as LOI and DREVER quenching press.Roller-way is opened
Slot is to be conducive to a large amount of cooling waters to flow away rapidly, avoids overstocking for water between roller, strengthens cooling effect with this, for slab,
Cooling can be enhanced using grooved roller, guarantee core performance.But cooling water flows through grooved roller, grooved roller recess and raised position and steel plate
It conducts heat inconsistent.This is smaller on slab influence, but for relatively thin steel plate (thickness≤10mm), due to steel plate cooling velocity
Comparatively fast, a little heat transfer unevenness can form longitudinal strip black marks in surface of steel plate, and surface hardness softening occurs in item print position
Phenomenon will appear unevenbanded abrasion in product use process.
A small amount of quenching press is also using complete real roller arrangement, but since real roller blocks flow of cooling water, when quenching will cause roller
Between water overstock, cooling water jet can not complete penetration ponding, cause cooling effect bad.
Quenching press is up and down there are two types of roll surface arrangement general, and one is clamped-in styles, that is, down roller clamps steel plate when quenching,
Which is conducive to control template, cooling consistent because nozzle is full symmetric up and down when quenching, and steel plate is constrained by roller-way,
It deforms less.But roll surface is close to water between will cause roller with steel plate and is overstock, cooling effect is bad.It is one is non-clamping formula, i.e., high
The pressure entire frame in section top raises 0-3mm, but this is disposed with and flows away conducive to cooling water, but upper roll surface is raised so that spray up and down
Mouth asymmetric distribution, and it is unfavorable for plate form control there are micro freedom degree when steel plate quenching.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of quenching press roller-way arragement construction for the above-mentioned prior art,
It can be avoided the longitudinal item that quenches of surface of steel plate generation under the premise of guarantee cooling is uniform to print.
The present invention solves the above problems used technical solution are as follows: one kind avoids surface of steel plate from generating longitudinal quenching item print
Quenching press roller-way arragement construction, and in particular to be to quench the roller-way arrangement of cooling high pressure section, including be successively set on slit
First pair after nozzle real roller, second pair of grooved roller, third to grooved roller and remaining several pairs of real rollers, described first pair real roller it is upper
Roller raises 5mm or more, and the upper roller of second pair of grooved roller raises 3mm or more and not higher than the upper roller of first pair of real roller, and described the
Three pairs of grooved rollers and remaining several pairs of real rollers clamp steel plate.
Preferably, the third is that front and back is staggered to the notch of grooved roller and second pair of grooved roller, and cooling water complications are by the
Two pairs of grooved rollers and third eliminate because second and third is arranged to slot the route of grooved roller to improve the uniformity of high pressure two-step cooling
Inhomogeneous cooling caused by roller and cause occur quenching item print.
Further, the application is designed using large trough, the groove depth 30mm of second pair of grooved roller and third to grooved roller, groove width
80mm, raised facewidth 50mm.Using the water that large trough design is to improve high pressure two-step cooling, on the one hand prevent water from overstocking,
Strengthen cooling, on the other hand improve heat transfer uniformity, inhibits to form quenching item print.
Quenching and cooling method based on above-mentioned quenching press roller-way arragement construction: steel plate passes through from quenching press roller-way and quenches cooling
High pressure section, gap nozzle quickly flow away to second pair of grooved roller to surface of steel plate spray cooling water, cooling water by first pair of real roller,
It is anhydrous to overstock, realize high pressure one-step cooling；Cooling water quickly flows away to third by second pair of grooved roller to grooved roller, anhydrous product
Pressure realizes high pressure two-step cooling；Cooling water flows through the real roller of several pairs contacted with steel plate later.
In high pressure two-step cooling section, it is tortuous water flow to the process of grooved roller that cooling water, which flow to third from second pair of grooved roller,
The water flow of the complications guarantees that high pressure two-step cooling is uniform heat exchange.
It is to set grooved roller for reinforced high pressure one-step cooling for second pair of roller and lift that first pair of real roller, which is raised 5mm,
High 3mm is on the one hand to reinforced high pressure two-step cooling, on the other hand strengthens also for guarantee on reducing under the premise of cooling down
Roller raises height, guarantees strengthening the Strip Shape Control in cooling procedure to steel plate (especially thin plate).
By third to the real roller contacted with steel plate is all set to after grooved roller, facilitate the plate shape for controlling steel plate.
Compared with the prior art, the advantages of the present invention are as follows: the quenching press roller-way arragement construction of the application design, using height
It presses two sections of reinforcings to cool down, can guarantee the cooling uniformity of steel plate in cooling process, eliminate longitudinal quenching item print, and holding pair
The control of two sections of high pressure reinforcing cooling procedure light plate plate shapes.
Detailed description of the invention
Fig. 1 is the quenching press roller-way arrangement schematic diagram of comparative example 1；
Fig. 2 is contact schematic diagram of the grooved roller of comparative example 1 with steel plate；
Fig. 3 is the quenching press roller-way arrangement schematic diagram of embodiment 1；
Fig. 4 is the arrangement schematic diagram of second pair of grooved roller of embodiment 1；
Fig. 5 is second and third arrangement schematic diagram (top view) to the upper roller of grooved roller of embodiment 1；
Fig. 6 is the quenched nickelclad with the black print of longitudinal strip of comparative example 1；
Fig. 7 is the quenched nickelclad that 1 appearance of embodiment does not have well quenching item print.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Comparative example 1
As shown in Figure 1, 2, if being all made of the arrangement of grooved roller 3, the first pair of slot after gap nozzle of steel plate 1 after gap nozzle 2
When roller, trough inner water stream is big and delays, and raised teeth portion water flow is small and anxious, and the heat transfer for causing cooling water and surface of steel plate is uneven, passes
Self tempering occurs there are micro returning is red for the poor place of heat, therefore leaves the black print of longitudinal strip in surface of steel plate, referring to figure
6.
Embodiment 1
Quenching cooling high pressure section includes first pair of real roller 4, second pairs of grooved rollers 5, third after being successively set on gap nozzle 2
To grooved roller 6 and remaining several pairs of real rollers 7, the upper roller (opposite steel plate) of first pair of real roller 4 raises 5mm, second pair of grooved roller 5 it is upper
Roller (opposite steel plate) raises 3mm, and third clamps steel plate to grooved roller 6 and remaining several pairs of real rollers 7.
First pair of roller is real roller 4 after high pressure section gap nozzle, and surface of steel plate is not completely cold when steel plate passes through gap nozzle 2
But, to after first pair of real roller 4 surface of steel plate will appear it is micro return it is red.Steel plate can be guaranteed in high pressure one using real roller 1
Width direction upper surface cooling effect is consistent in section cooling procedure, and real 1 upper roller of roller is raised 5mm, can enable cooling water as early as possible
It flows away, avoids overstocking for water；Second and third is grooved roller 5,6 to roller, and steel plate cools down substantially by two pairs of grooved roller rear surfaces, grooved roller
Be conducive to strengthen cooling effect, the upper roller of second pair of grooved roller 5 is raised into 3mm, is also that cooling water is avoided to overstock, realizes two sections of high pressure
It is cooling.Remaining roller is all real roller 4, is contacted with steel plate, guarantees the template of steel plate in cooling procedure.
As shown in figure 5, third is that front and back is staggered to the notch of grooved roller 6 and second pair of grooved roller 5, cooling water complications are by the
Two pairs of grooved rollers and third are to grooved roller, uniform cooling metal sheets.Second pair of grooved roller and third are all made of large trough design, groove depth to grooved roller
30mm, groove width 80mm, raised facewidth 50mm.Upper and lower grooved roller is symmetrical arranged, to keep steel plate upper and lower surface cooling consistent.
It is the quenched steel plate of this programme, compared with comparative example, the present embodiment surface of steel plate is without longitudinal quenching shown in Fig. 7
Item print, appearance condition are good.
In addition to the implementation, all to use equivalent transformation or equivalent replacement the invention also includes there is an other embodiments
The technical solution that mode is formed should all be fallen within the scope of the hereto appended claims.
Claims (6)
1. a kind of quenching press roller-way arragement construction for avoiding surface of steel plate from generating longitudinal quenching item print, it is characterised in that: specifically relate to
And be the roller-way arrangement for quenching cooling high pressure section, including being successively set on first pair of real roller, second pair of slot after gap nozzle
To grooved roller and remaining several pairs of real rollers, the upper roller of described first pair real roller raises 5mm or more with respect to steel plate, described for roller, third
The upper roller of second pair of grooved roller with respect to steel plate raises 3mm or more and not higher than the upper roller of first pair of real roller, the third to grooved roller and
Remaining several pairs real rollers clamp steel plate.
2. the quenching press roller-way arragement construction according to claim 1 for avoiding surface of steel plate from generating longitudinal quenching item print,
Be characterized in that: the third is that front and back is staggered to the notch of grooved roller and second pair of grooved roller, and cooling water complications pass through second pair of slot
Roller and third are to grooved roller.
3. the quenching press roller-way arragement construction according to claim 1 for avoiding surface of steel plate from generating longitudinal quenching item print,
It is characterized in that: second pair of grooved roller and third the groove depth 30mm to grooved roller, groove width 80mm, raised facewidth 50mm.
4. the quenching press roller-way arragement construction according to claim 1 for avoiding surface of steel plate from generating longitudinal quenching item print,
Be characterized in that: second pair of grooved roller and third are to the upper and lower roll of grooved roller arrangement symmetrical above and below.
5. a kind of quenching and cooling method based on quenching press roller-way arragement construction described in claim 1, it is characterised in that: steel plate from
Quenching press roller-way, which is passed through, quenches cooling high pressure section, and gap nozzle passes through first pair of reality to surface of steel plate spray cooling water, cooling water
Roller quickly flows away to second pair of grooved roller, anhydrous to overstock, realization high pressure one-step cooling；Cooling water is quickly flowed by second pair of grooved roller
It walks to third to grooved roller, anhydrous to overstock, realization high pressure two-step cooling；Cooling water flows through several pairs of realities contacted with steel plate later
Roller.
6. quenching and cooling method according to claim 5, it is characterised in that: in high pressure two-step cooling section, cooling water is from
It is tortuous water flow to the process of grooved roller that two pairs of grooved rollers, which flow to third, and the water flow of the complications guarantees that high pressure two-step cooling is uniformly to change
Heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810485848.6A CN110184431A (en) | 2018-05-21 | 2018-05-21 | Surface of steel plate is avoided to generate the quenching press roller-way arragement construction of longitudinal quenching item print |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810485848.6A CN110184431A (en) | 2018-05-21 | 2018-05-21 | Surface of steel plate is avoided to generate the quenching press roller-way arragement construction of longitudinal quenching item print |
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| Publication Number | Publication Date |
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| CN110184431A true CN110184431A (en) | 2019-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810485848.6A Pending CN110184431A (en) | 2018-05-21 | 2018-05-21 | Surface of steel plate is avoided to generate the quenching press roller-way arragement construction of longitudinal quenching item print |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4575052A (en) * | 1981-11-19 | 1986-03-11 | Kawasaki Steel Corporation | Apparatus for continuously quenching a steel plate |
| US20080277035A1 (en) * | 2004-10-19 | 2008-11-13 | Loi Thermprocess Gmbh | Method and Device for Quenching Flat Steel Products |
| CN101781700A (en) * | 2010-03-09 | 2010-07-21 | 南京钢铁股份有限公司 | Plate shape controlling method for ultra thin sheet quenching in the quenching machine |
| CN102189134A (en) * | 2011-05-24 | 2011-09-21 | 武汉钢铁(集团)公司 | Spiral guide drainage device in cooling after rolling process of ultra-wide ultra-thick hot-rolled plate coil |
| CN103834791A (en) * | 2014-03-26 | 2014-06-04 | 东北大学 | Continuous roller type quenching cooling system for steel plates |
| CN204138712U (en) * | 2014-10-08 | 2015-02-04 | 中冶赛迪工程技术股份有限公司 | A kind of self sucking nozzle |
| CN104451117A (en) * | 2014-09-23 | 2015-03-25 | 中冶赛迪工程技术股份有限公司 | Quenching plate shape control method and device |
| CN208949349U (en) * | 2018-05-21 | 2019-06-07 | 江阴兴澄特种钢铁有限公司 | Surface of steel plate is avoided to generate the quenching press roller-way arragement construction of longitudinal quenching item print |
-
2018
- 2018-05-21 CN CN201810485848.6A patent/CN110184431A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4575052A (en) * | 1981-11-19 | 1986-03-11 | Kawasaki Steel Corporation | Apparatus for continuously quenching a steel plate |
| US20080277035A1 (en) * | 2004-10-19 | 2008-11-13 | Loi Thermprocess Gmbh | Method and Device for Quenching Flat Steel Products |
| CN101781700A (en) * | 2010-03-09 | 2010-07-21 | 南京钢铁股份有限公司 | Plate shape controlling method for ultra thin sheet quenching in the quenching machine |
| CN102189134A (en) * | 2011-05-24 | 2011-09-21 | 武汉钢铁(集团)公司 | Spiral guide drainage device in cooling after rolling process of ultra-wide ultra-thick hot-rolled plate coil |
| CN103834791A (en) * | 2014-03-26 | 2014-06-04 | 东北大学 | Continuous roller type quenching cooling system for steel plates |
| CN104451117A (en) * | 2014-09-23 | 2015-03-25 | 中冶赛迪工程技术股份有限公司 | Quenching plate shape control method and device |
| CN204138712U (en) * | 2014-10-08 | 2015-02-04 | 中冶赛迪工程技术股份有限公司 | A kind of self sucking nozzle |
| CN208949349U (en) * | 2018-05-21 | 2019-06-07 | 江阴兴澄特种钢铁有限公司 | Surface of steel plate is avoided to generate the quenching press roller-way arragement construction of longitudinal quenching item print |
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