CN106862287A - A kind of preparation method of hot rolled steel plate - Google Patents
A kind of preparation method of hot rolled steel plate Download PDFInfo
- Publication number
- CN106862287A CN106862287A CN201710012051.XA CN201710012051A CN106862287A CN 106862287 A CN106862287 A CN 106862287A CN 201710012051 A CN201710012051 A CN 201710012051A CN 106862287 A CN106862287 A CN 106862287A
- Authority
- CN
- China
- Prior art keywords
- sheet material
- separator
- bonding jumper
- sucker
- steel plate
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 15
- 239000010959 steel Substances 0.000 title claims abstract description 15
- 238000002360 preparation method Methods 0.000 title description 4
- 239000000463 material Substances 0.000 claims abstract description 89
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 230000001681 protective effect Effects 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000005098 hot rolling Methods 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims abstract description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 229910052782 aluminium Inorganic materials 0.000 claims description 11
- 239000004411 aluminium Substances 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 8
- 239000003365 glass fiber Substances 0.000 claims description 5
- 238000002955 isolation Methods 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 6
- 230000001965 increasing effect Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 239000011229 interlayer Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 abstract description 2
- 238000009423 ventilation Methods 0.000 abstract description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000005030 aluminium foil Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 241000252254 Catostomidae Species 0.000 description 1
- 206010063493 Premature ageing Diseases 0.000 description 1
- 208000032038 Premature aging Diseases 0.000 description 1
- 241000486406 Trachea Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B39/002—Piling, unpiling, unscrambling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B2003/001—Aluminium or its alloys
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B2045/0212—Cooling devices, e.g. using gaseous coolants using gaseous coolants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2263/00—Shape of product
- B21B2263/02—Profile, e.g. of plate, hot strip, sections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to it is a kind of for hot rolled steel plate surface protection and quick cooling control method, after first plate hot rolling is rolled, sheet material is unloaded from roll table of hot using high-temperature resistant rubber sucker, described high-temperature resistant rubber sucker is provided with protective cover；Then cooling treatment will be carried out after sheet material stacking, during cooling treatment, separator is set between upper and lower adjacent sheet material, separator forms air flow channel between causing adjacent sheet metal；Then pressure cooling is carried out to the sheet material of stacking using air blower, after sheet material is cooled to room temperature, reclaims separator.Said structure ensure that sheet material interlayer can ensure good ventilation effect, air-flow between plate by having taken away heat, the cool time of sheet material is greatly reduced, can save for more than 50% cool time, reduce air blower and force the cooling cycle, metal turnover is accelerated, energy consumption has been saved, production efficiency is effectively increased.
Description
Technical field
The present invention relates to the rolling technical field of nonferrous materials, specifically a kind of preparation side of hot rolled steel plate
Method, more particularly to aluminum and aluminum alloy board material preparation method.
Background technology
Aluminium and aluminum alloy hot rolling sheet material that board-like method is produced（Generally aluminium sheet, thickness is 8-100mm）, in hot rolling
Afterwards, it is necessary to be unloaded sheet material from roll table of hot using vacuum cup or suspender/fixture.
Due to the reason such as material temperature is higher, sheet material rigidity is relatively low, surface of aluminum plate is softer, be easily caused rubber suction cups melt,
The mass defect generally existings such as premature aging broken invalid, the generation sucker marking, the different degrees of scratch of upper and lower surface, viscous wound.
Sheet material cooling problem cannot be rationally solved simultaneously, time-consuming, domestic enterprise tackles the method for this problem and usually lays between plate
The methods such as aluminium foil.But the method has that " sucker short life, the sucker marking are difficult to clean off, aluminium foil is easily bonded, handling is easily wiped between plate
Scuffing, not easy to operate, efficiency are slow " the shortcomings of.
The content of the invention
It is an object of the invention to provide it is a kind of it is improved for hot rolled steel plate surface protection and quick cooling control
Method, the air flow property by the improvement for sucker and between increasing sheet material so that the present invention has prominent remarkable result,
Furthermore, it is understood that it can overcome, cooling effect in the prior art is good, sucker is easily damaged and is left on sheet material and is difficult to clean off
The marking some shortcomings.
To achieve these goals, the technical scheme is that：One kind is for hot rolled steel plate surface protection and quickly
The control method of cooling, it is characterised in that：Described control method comprises the following steps：A, plate hot rolling is rolled after, utilize
High-temperature resistant rubber sucker unloads sheet material from roll table of hot, and described high-temperature resistant rubber sucker is provided with protective cover；B, by plate
Cooling treatment is carried out after material stacking, during cooling treatment, separator is set between upper and lower adjacent sheet material, separator causes adjacent
Air flow channel is formed between sheet material；C, pressure cooling is carried out to the sheet material of stacking using air blower, after sheet material is cooled to room temperature, reclaimed
Separator.
Preferably, in a steps, the periphery of described high-temperature resistant rubber sucker is arranged with a protective cover, and protective cover is in bag
Is arranged for whole sucker and closed up wherein and in the upper surface of sucker by shape, bag, and protective cover is made of exotic material.
Preferably, in b step, when sheet material carries out stacking, first some separators are placed on one piece of disc, then every
First block of sheet material is put in off member, some separators are then re-layed on first block of sheet material, then put on separator
Second block of sheet material, so circulation, until last block sheet material is stacked completing.
Preferably, in b step, described separator is bonding jumper, and bonding jumper protection is arranged with outside described bonding jumper
Set, the length of bonding jumper protective case is more than bonding jumper so that bonding jumper does not leak outside；The thickness of the bonding jumper is more than 10mm, every
The smooth outer surface of off member, edge corner angle are polished into small arc-shaped and impulse- free robustness.
Control method of the invention is improved for sucker when using, and increased protective cover, and sucker can be avoided to exist
Plate surface forms the marking, while to sheet material not easy damaged in absorption and handling process, sucker and sheet material directly contact are prevented,
Extend sucker benefits from the life-span；Further, using special way of stacking, connection and reasonable arrangement is effective so that sheet material is quickly cooled down,
By having taken away heat between plate, the cool time of sheet material is greatly reduced air-flow, can save for more than 50% cool time, saves
The energy spent by cool time and cooling, while being improve without the viscous wound and scratch expanded with heat and contract with cold and produce between ensureing sheet material
The yield rate and quality of sheet material.
Brief description of the drawings
Fig. 1 is the structural representation of sucker of the present invention.
Fig. 2 is the structural representation of sheet material stacking of the present invention.
Fig. 3 is the structural representation of disc of the present invention.
Fig. 4 is the structural representation that bonding jumper is placed on disc of the present invention.
Fig. 5 is first piece of structural representation of sheet material of placement on disc of the present invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples.
Label in each accompanying drawing is expressed as follows：
1 sheet material, 2 thermal insulation barriers, 3 air-flows, 4 discs；
5 high temperature sucker fix bars, 6 high temperature sucker tracheaes, 7 suckers, 8 protective covers.
It is of the present invention it is a kind of for hot rolled steel plate surface protection and quick cooling control method, itself and existing skill
The difference of art is：Described control method comprises the following steps：A, plate hot rolling is rolled after, using high-temperature resistant rubber sucker
Sheet material is unloaded from roll table of hot, described high-temperature resistant rubber sucker is provided with protective cover；B, will be dropped after sheet material stacking
Temperature treatment, during cooling treatment, sets separator between upper and lower adjacent sheet material, and separator forms air between causing adjacent sheet metal
Runner；C, pressure cooling is carried out to the sheet material of stacking using air blower, after sheet material is cooled to room temperature, reclaim separator.
Optionally, in a steps, the periphery of described high-temperature resistant rubber sucker is arranged with a protective cover, and protective cover is in bag
Is arranged for whole sucker and closed up wherein and in the upper surface of sucker by shape, bag, and protective cover is made of exotic material.
Optionally, in b step, when sheet material carries out stacking, first some separators are placed on one piece of disc, then every
First block of sheet material is put in off member, some separators are then re-layed on first block of sheet material, then put on separator
Second block of sheet material, so circulation, until last block sheet material is stacked completing.
Due to the improvement of above-mentioned technical pattern, the present invention can extend the rubber suction cups life-span, without the sucker marking, cold without heat expansion
Contracting scratch, handling be difficult injured surface, the fast efficiency high of easy to operate and speed, be one kind can efficiently, control hot rolled aluminium rapidly
The method of surface quality.
In one embodiment, sheet material in stacking procedure, it is necessary to carry out the isolation between sheet material by separator, it is above-mentioned
Isolation needs to accomplish that the air between sheet material effectively circulates, it is to avoid wound, scratch are glued between sheet material and is occurred, so the separator selected is
Bonding jumper, is arranged with bonding jumper protective case outside described bonding jumper, the length of bonding jumper protective case is more than bonding jumper so that gold
Category bar does not leak outside；The thickness of the bonding jumper is more than 10mm, and the smooth outer surface of separator, edge corner angle are polished into small arc-shaped simultaneously
Impulse- free robustness, bonding jumper is straight, do not bend；Described separator is made of aluminum strip, and thickness is 8-20mm, and width is 50-
200mm, length is 1000-3000mm；
If using heat-insulating cushion block, heat-insulating cushion block is made of the sandwich stitch-bonded felt of resistant to elevated temperatures glass fibre, heat-insulating cushion block
Thickness is more than 25mm.Bonding jumper is used for thickness more than the isolation between 10mm and the sheet material less than 25mm, and heat-insulating cushion block is used for thickness
It is heat-insulated between sheet material of the degree more than 25mm
Aforesaid way can ensure isolation it is effective, carry out in order, simultaneously because separator is provided with bonding jumper protective case in itself, because
This will not be damaged during sheet material is isolated, and after the completion of sheet material cooling, these separators can be reclaimed and recycled, no
Efficiency is improve only, cost is more saved.
In one embodiment, the heap plate mode of sheet material is also critically important, and a resistant to elevated temperatures disc is made first, and disc can
With attached flexible exotic material metal is wrapped, directly can also be cut into materials such as the sandwich stitch-bonded felts of resistant to elevated temperatures glass fibre
Bulk is made, and during sheet material stacking, 3-10 root separators is placed first on disc, and the spacing distance of adjacent separator is 500-
2000mm, then puts 3-10 root separators on first block of sheet material, and the spacing distance of adjacent separator is 500-2000mm,
The each group of sheet material quantity of stacking is 4-10 blocks.
In one embodiment, described protective cover reaches 600-1000 DEG C of thin glass silk cloth and fiber using heatproof
Cloth is made, wherein, thin glass silk cloth or fiber cloth into the bottom of protective cover bag must be with the bottom of sucker
Fit completely, be enhancing laminating effect to ensure the effect of absorption, a lasso can be set up outside bag so that bag
Bottom it is more tight with what the bottom of sucker was fitted.Meanwhile, the upper surface of described high-temperature resistant rubber sucker is provided with high temperature suction
Disk fix bar and high temperature sucker tracheae.Such structure setting, can not only protect sucker not operationally to be ruined, extension
Its service life, while a little without influence on its adsorption effect, and also will not leave behind any absorption on sheet material
The marking, it is ensured that the appearance looks elegant of sheet material.
In another embodiment, the protective cover of exotic material making, protective cover material are installed additional in plate high temperature sucker first
Material is made using 600-1000 DEG C of thin glass silk cloth, fiber cloth is resistant to, and really realizes that plate face is seamless, extends the rubber suction cups longevity
More than one times of life；
Secondly, sawing or shearing specification are（Thickness × width × length）The bonding jumper of 8-20 × 50-200 × 1000-3000mm
（To reduce batch mixing probability, fine aluminium is preferred）, edge corner angle are polished into small arc-shaped and impulse- free robustness, surface should smooth, corner angle it is mellow and full,
Bonding jumper is straight, do not bend.
Then, bonding jumper protective case is made, protective case is flexible high temperature resistant material, entangles bonding jumper（Length is more than gold
Category bar）, bonding jumper must not leak outside；Or make thickness × width × length）The resistance to height of 8-20 × 100-150 × 150-200mm
Warm cushion block, cushion block can use the attached flexible exotic material metal of bag, also can directly with the sandwich loop bonding of resistant to elevated temperatures glass fibre
The materials such as felt cut into bulk；
Then, when straight sheet pile plate is unloaded in hot rolling, every thickness identical filler strip or cushion block on 500-2000mm pads between sheet material, to avoid
Hot aluminium sheet is collapsed, and filler strip can be used for aluminium plate of the thickness more than 10mm, and cushion block can be used for aluminium plate of the thickness more than 25mm.
Said structure ensure that sheet material interlayer can ensure that good ventilation effect, air-flow have taken away heat between passing through plate,
The cool time of sheet material is greatly reduced, and can save for more than 50% cool time, reduces air blower and forces the cooling cycle, accelerates
Metal turnover, has saved energy consumption, effectively increases production efficiency.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
Present invention specific implementation is confined to above-mentioned these explanations.For general technical staff of the technical field of the invention,
Without departing from the inventive concept of the premise, some simple deduction or replace can also be made, the present invention should be all considered as belonging to
Protection domain.
Claims (8)
1. it is a kind of for hot rolled steel plate surface protection and quick cooling control method, it is characterised in that：Described controlling party
Method comprises the following steps：A, plate hot rolling is rolled after, sheet material is unloaded from roll table of hot using high-temperature resistant rubber sucker,
Described high-temperature resistant rubber sucker is provided with protective cover；B, cooling treatment will be carried out after sheet material stacking, during cooling treatment, upper and lower
Separator is set between adjacent sheet material, and separator forms air flow channel between causing adjacent sheet metal；C, using air blower to stacking
Sheet material carries out pressure cooling, after sheet material is cooled to room temperature, reclaims separator.
2. it is according to claim 1 it is a kind of for hot rolled steel plate surface protection and quick cooling control method, it is special
Levy and be：In a steps, the periphery of described high-temperature resistant rubber sucker is arranged with a protective cover, and protective cover is in bag shape, and bag will
Whole sucker is arranged wherein and is closed up in the upper surface of sucker, and protective cover is made of exotic material.
3. it is according to claim 1 it is a kind of for hot rolled steel plate surface protection and quick cooling control method, it is special
Levy and be：In b step, when sheet material carries out stacking, some separators are first placed on one piece of disc, then put on separator
First block of sheet material is put, some separators are then re-layed on first block of sheet material, second block of plate is then put on separator
Material, so circulation, until last block sheet material is stacked completing.
4. it is according to claim 1 it is a kind of for hot rolled steel plate surface protection and quick cooling control method, it is special
Levy and be：In b step, described separator is bonding jumper or heat-insulating cushion block, and bonding jumper is arranged with outside described bonding jumper
Protective case, the length of bonding jumper protective case is more than bonding jumper so that bonding jumper does not leak outside；
The thickness of the bonding jumper is more than 10mm, and the smooth outer surface of separator, edge corner angle are polished into small arc-shaped and impulse- free robustness.
5. it is according to claim 2 it is a kind of for hot rolled steel plate surface protection and quick cooling control method, it is special
Levy and be：In a steps, described protective cover reaches 600-1000 DEG C of thin glass silk cloth using heatproof and fiber cloth makes and
Into.
6. it is according to claim 3 it is a kind of for hot rolled steel plate surface protection and quick cooling control method, it is special
Levy and be：During sheet material stacking, 3-10 root separators are placed first on disc, the spacing distance of adjacent separator is 500-
2000mm, then puts 3-10 root separators on first block of sheet material, and the spacing distance of adjacent separator is 500-2000mm,
The each group of sheet material quantity of stacking is 4-10 blocks；
Aluminium sheet or resistant to elevated temperatures glass fibre sandwich stitch-bonded felt of the disc using thickness more than 25mm are made.
7. it is according to claim 4 it is a kind of for hot rolled steel plate surface protection and quick cooling control method, it is special
Levy and be：Described bonding jumper is made of aluminum strip, and thickness is 8-20mm, and width is 50-200mm, and length is 1000-
3000mm；
Heat-insulating cushion block is made of the sandwich stitch-bonded felt of resistant to elevated temperatures glass fibre, and the thickness of heat-insulating cushion block is more than 25mm；
Bonding jumper is used for thickness more than the isolation between 10mm and the sheet material less than 25mm, and heat-insulating cushion block is used for thickness and is more than 25mm
Sheet material between it is heat-insulated.
8. it is according to claim 1 it is a kind of for hot rolled steel plate surface protection and quick cooling control method, it is special
Levy and be：In a steps, the upper surface of described high-temperature resistant rubber sucker is provided with high temperature sucker fix bar and high temperature sucker tracheae.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012051.XA CN106862287B (en) | 2017-01-09 | 2017-01-09 | A kind of preparation method of hot rolled steel plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710012051.XA CN106862287B (en) | 2017-01-09 | 2017-01-09 | A kind of preparation method of hot rolled steel plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106862287A true CN106862287A (en) | 2017-06-20 |
| CN106862287B CN106862287B (en) | 2019-07-23 |
Family
ID=59164749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710012051.XA Active CN106862287B (en) | 2017-01-09 | 2017-01-09 | A kind of preparation method of hot rolled steel plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN106862287B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1995880A (en) * | 2006-12-27 | 2007-07-11 | 浙江永吉木业有限公司 | Wood floor arrangement in drying kiln |
| CN101474638A (en) * | 2009-01-20 | 2009-07-08 | 攀枝花新钢钒股份有限公司 | Air cooling stacking method of hot rolling steel rail |
| CN101935750A (en) * | 2010-09-27 | 2011-01-05 | 辽宁衡业高科新材股份有限公司 | Production process for high-performance steel plate thermal treatment unit |
| CN201735601U (en) * | 2010-08-04 | 2011-02-09 | 中冶东方工程技术有限公司 | Hot rolling aluminium sheet cooling and conveying device |
| CN201873719U (en) * | 2010-11-29 | 2011-06-22 | 辽宁衡业高科新材股份有限公司 | High-performance steel plate thermal treating device |
| JP2016193446A (en) * | 2015-04-01 | 2016-11-17 | 新日鐵住金株式会社 | Method for cooling hot rolled steel sheet and cooling device |
-
2017
- 2017-01-09 CN CN201710012051.XA patent/CN106862287B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1995880A (en) * | 2006-12-27 | 2007-07-11 | 浙江永吉木业有限公司 | Wood floor arrangement in drying kiln |
| CN101474638A (en) * | 2009-01-20 | 2009-07-08 | 攀枝花新钢钒股份有限公司 | Air cooling stacking method of hot rolling steel rail |
| CN201735601U (en) * | 2010-08-04 | 2011-02-09 | 中冶东方工程技术有限公司 | Hot rolling aluminium sheet cooling and conveying device |
| CN101935750A (en) * | 2010-09-27 | 2011-01-05 | 辽宁衡业高科新材股份有限公司 | Production process for high-performance steel plate thermal treatment unit |
| CN201873719U (en) * | 2010-11-29 | 2011-06-22 | 辽宁衡业高科新材股份有限公司 | High-performance steel plate thermal treating device |
| JP2016193446A (en) * | 2015-04-01 | 2016-11-17 | 新日鐵住金株式会社 | Method for cooling hot rolled steel sheet and cooling device |
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| Publication number | Publication date |
|---|---|
| CN106862287B (en) | 2019-07-23 |
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