CN110201999A - A kind of Section Steel Production method and Section Steel Production device - Google Patents
A kind of Section Steel Production method and Section Steel Production device Download PDFInfo
- Publication number
- CN110201999A CN110201999A CN201910549083.2A CN201910549083A CN110201999A CN 110201999 A CN110201999 A CN 110201999A CN 201910549083 A CN201910549083 A CN 201910549083A CN 110201999 A CN110201999 A CN 110201999A
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- fashioned iron
- section steel
- steel production
- conveying
- production method
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Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 88
- 239000010959 steel Substances 0.000 title claims abstract description 88
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 154
- 229910052742 iron Inorganic materials 0.000 claims abstract description 77
- 238000005096 rolling process Methods 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000007730 finishing process Methods 0.000 claims abstract description 10
- 238000005520 cutting process Methods 0.000 claims abstract description 9
- 238000004806 packaging method and process Methods 0.000 claims description 16
- 238000012856 packing Methods 0.000 claims description 13
- 238000011084 recovery Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000003754 machining Methods 0.000 description 7
- 238000003801 milling Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 5
- 238000010008 shearing Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 208000027418 Wounds and injury Diseases 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 208000014674 injury Diseases 0.000 description 4
- 208000037805 labour Diseases 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially 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
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B15/0007—Cutting or shearing the product
- B21B2015/0014—Cutting or shearing the product transversely to the rolling direction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
The present invention relates to a kind of Section Steel Production methods, it includes rolling mill practice and rear road finishing process, and the rolling mill practice is for rolling out heat type steel, and the rear road finishing process includes: cooling step, and the cooling step includes that fashioned iron is cooled to 90 DEG C or less；Straightening step, the straightening step include aligning to fashioned iron；Supplying step is organized into groups, the marshalling supplying step includes conveying fashioned iron；Cold shears step, the cold shears step include cold shears cutting fashioned iron.The present invention also provides a kind of Section Steel Production devices, it includes rolling component and rear road finishing component, and the rolling component is for rolling out heat type steel, and the rear road finishing component includes: cold bed, and the cold bed is for cooling down the heat type steel；Straightener, the straightener is for aligning fashioned iron；Conveying marshalling, the conveying marshalling is for conveying fashioned iron；Cutter, the cutter cut off fashioned iron for cold shears.It can be improved fashioned iron lumber recovery and reduce labor intensity of operating staff.
Description
Technical field
The invention belongs to field of metallurgy, are related to a kind of Section Steel Production method, further relate to a kind of Section Steel Production device.
Background technique
As shown in Figure 1, road finishing process includes that hot saw slightly cuts fine cut after heat type steel, cooling after original track shoes.Specifically
Are as follows:
-- -- -- > high pressure water removes > high-pressure water descaling the heating of > heat accumulating type raw material preparation for > roughing -- > high-pressure water descaling -- > in roll --
Squama -- -- > red steel is examined, and -- > hot saw scale is slightly cut, and -- > cold bed is cooling, and -- -- collect > finished product initial survey the rolling of > finished product by > aligning -- >
Material -- > hand press-packing -- > sawing machine scale fine cut -- > mark -- > finished product final inspection -- > weighman -- > storage.
Finished product rolls out carry out after heat type steel after road finishing process, slightly cut using hot saw scale, must be there are when slightly cutting
80mm ~ 100mm sawing machine finish-machining allowance, so as to postorder sawing machine scale fine cut；Subsequent fashioned iron is transported to cold bed, is cooled to 85 DEG C；Type
Steel is aligned into straightener；Fashioned iron is delivered to marshalling after aligning；Fashioned iron is moved to collecting tank using shifting steel chain by marshalling；It is mixed in collecting tank
The fashioned iron for putting different scales, makes troubles to packing.Shaped steel swing at random is conveyed to track flatcar using flatcar using driving
Buffering place is hoisted to across and using driving to being packaged.After being packaged rack and emptying, using driving by the different fashioned iron of scale again
It is secondary to be hung to hand press-packing rack, fashioned iron at random is picked by branch manually and is tied up according to the packing of scale specification double steel, this process worker
Large labor intensity is easy industrial injury.After packing, using driving by shaped steel swing to band sawing machine, according to cut lengths fine cut.Fine cut
It labels afterwards according to fashioned iron specification, weighman is put in storage after product inspection.If publication No. is " 105414237 A of CN ", entitled
The Chinese patent literature of " a kind of steel profile process units and its technique " discloses similar technique.
The technique there are the shortcomings that:
(1) the rear road finishing procedure scale divide hot saw slightly to cut, band sawing machine fine cut, must there are 80mm ~ 100mm to saw when due to slightly cutting
Bed finish-machining allowance wastes fashioned iron finished product so as to postorder sawing machine scale fine cut, and lumber recovery is relatively low；
(2) different cut lengths fashioned iron are mixed is placed on a collecting tank, then utilizes the sorting of artificial scale, hand press-packing, job stream
Journey low efficiency, labor intensity is big, easily industrial injury out.
Therefore, it is necessary to improve.
Summary of the invention
The invention aims to provide a kind of Section Steel Production method, fashioned iron lumber recovery can be improved.
In order to achieve the above objectives, the technical solution adopted by the present invention is that:
The present invention provides a kind of Section Steel Production methods, it includes rolling mill practice and rear road finishing process, and the rolling mill practice is used
In rolling out heat type steel, it is described after road finishing process include:
Cooling step, the cooling step include that fashioned iron is cooled to 90 DEG C or less；
Straightening step, the straightening step include aligning to fashioned iron；
Supplying step is organized into groups, the marshalling supplying step includes conveying fashioned iron；
Cold shears step, the cold shears step include cold shears cutting fashioned iron.
Optionally, it further includes being packaged step, and the packing step includes classifying by the steel section size.
Further, the classification includes the moving distance of adjustment fashioned iron.
Optionally, it further includes back-end crop step, and the back-end crop step includes carrying out sawing to the tail portion of fashioned iron.
Optionally, it further includes fixed size steel, and the scale includes at least two control length of setting.
Optionally, the Section Steel Production method is for producing track shoes and/or I-steel and/or H profile steel.
Due to the above technical solutions, the present invention has the following advantages over the prior art:
Section Steel Production method of the invention, since the heat type steel to rolling output cools down, after aligning, by cold shears to fashioned iron
It is cut off, only need to once cut off without there are surpluses, therefore can more utilize fashioned iron, improve fashioned iron and become a useful person
Rate.Compared to background technique, slightly cut-sawing machine fine cut step without hot saw, thus every profile save when hot saw is slightly cut there are
Finish-machining allowance 80mm ~ 100mm, in continuous production due to the accumulation of the finish-machining allowance and can output more become a useful person, Ye Jiti
High lumber recovery.
The present invention also provides a kind of Section Steel Production devices, it includes rolling component and rear road finishing component, the rolling
Component is used to roll out heat type steel, and the rear road finishing component includes:
Cold bed, the cold bed is for cooling down the heat type steel；
Straightener, the straightener is for aligning fashioned iron；
Conveying marshalling, the conveying marshalling is for conveying fashioned iron；
Cutter, the cutter cut off fashioned iron for cold shears.
Optionally, it further includes the fixed ruler baffle of at least one control length.
Optionally, it further includes at least one packaging platform, and the packaging platform is distributed on the direction of travel of fashioned iron.
Optionally, it further includes sawing machine, and the sawing machine is used to carry out sawing to the tail portion of fashioned iron.
Due to the above technical solutions, the present invention has the following advantages over the prior art:
Section Steel Production device of the invention passes through the cooling heat type steel of cold bed, aligning due to rolling out heat type steel by rolling component
Afterwards, fashioned iron is cut off by cutter cold shears, only need to once cut off without there are surpluses, therefore can more utilize type
Steel improves fashioned iron lumber recovery.Compared to background technique ,-sawing machine fine cut step, therefore every saving of becoming a useful person slightly are cut without hot saw
When hot saw is slightly cut there are finish-machining allowance 80mm ~ 100mm, can output due to the accumulation of the finish-machining allowance in continuous production
It more becomes a useful person, namely improves lumber recovery.
Detailed description of the invention
Some specific embodiments of the present invention is described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical appended drawing reference denotes same or similar part or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing:
Fig. 1 is background technique Shaped Steel production method schematic diagram；
Fig. 2 is Section Steel Production method schematic diagram according to the preferred embodiment of the invention；
Fig. 3 is the structural schematic diagram of Section Steel Production device according to the preferred embodiment of the invention；
Wherein, the reference numerals are as follows:
1, component is rolled；
2, rear road finishing component；
3, cold bed；
4, straightener；
5, conveying marshalling；
6, cutter；
7, fixed ruler baffle；
8, packaging platform；
9, band sawing machine；
10, stock shelf；
11, heating furnace；
12, milling train group.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
As shown in Fig. 2, Section Steel Production method includes rolling mill practice and rear road finishing process.For producing track shoes.
Wherein, rolling mill practice is for rolling out heat type steel.Rolling mill practice includes:
Raw material preparation prepares the raw material for rolling；
Heat accumulating type heating, heats raw material by heating furnace；
High-pressure water descaling removes surface scale；
Roughing carries out roughing to workpiece；
High-pressure water descaling removes surface scale；
In roll, to workpiece further progress roll；
High-pressure water descaling removes surface scale；
Finished product rolling, rolls out molding heat type steel.
Road finishing process includes: afterwards
Red steel is examined, and is tested to heat type steel, that is, red steel；
Heat type steel is cooled to 90 DEG C hereinafter, being preferably cooled to 85 DEG C by cold bed by cooling step；
Finished product initial survey carries out initial survey to finished product fashioned iron；
Straightening step aligns fashioned iron by straightener；
Marshalling conveying, is organized into groups by conveying, is conveyed fashioned iron to cutter using steel chain is moved；
Cold shears step after fixed size steel, carries out cold shears to fashioned iron by cutter, cuts off fashioned iron according to predetermined size, not there are
Surplus is sheared according to customization length, such as the multiple length of customization 6cm, makes a reservation for shearing 66cm and two kinds of 60cm controls
Every root long heat type steel is preferentially cut out 66cm fashioned iron, is cut out 60 fashioned iron again by length processed, and two kinds of control length of this example are by two
The fixed ruler baffle of a different location is realized；
It is packaged step to be packaged the fashioned iron of cutting by semi-automatic packaging platform, and classifies according to steel section size,
For example be packaged two kinds of specifications of aforementioned 66cm and 60cm respectively, fashioned iron is delivered to packaging platform double steel bundling；
Identification of steps identifies fashioned iron；
The track shoes of bale packing are hoisted to band sawing machine across roller-way using driving by back-end crop step, using band sawing machine by final stage
The track shoes tail excision tail portion of the longer heat type steel namely rolled out (cut off)；
Finished product final inspection carries out final inspection to finished product；
Weighman, fashioned iron of weighing；
Storage, is transported into warehouse storage for fashioned iron.
This example shows that the production method of crawler belt steel, the method for this example is not limited to production crawler belt steel, is suitable for a variety of fashioned iron
Production, for example can be also used for production I-steel or H profile steel.
Section Steel Production device as shown in Figure 3, including rolling component 1 and rear road finishing component 2, wherein rolling component 1 is used for
Heat type steel is rolled out, rear road finishing component 2 is used to precisely cut off fashioned iron by size.
Rolling component 1 includes stock shelf 10, heating furnace 11 and the milling train group 12 set gradually.Be provided in milling train group 12 to
Few a roughing mill, milling train and at least one finishing mill at least one.Wherein, high-pressure water descaling is provided in milling train group 12
Mechanism, high-pressure water descaling mechanism are arranged before whole roughing mill, in entirety before milling train and before whole finishing mill, are used for
Roughing, in roll, before finish rolling to workpiece carry out surface scale removal, to improve rolling quality.
Road finishing component 2 includes: afterwards
Cold bed 3, for heat type steel to be cooled to 90 DEG C hereinafter, being preferably cooled to 85 DEG C；
Straightener 4, for aligning fashioned iron；
Conveying organizes into groups 5, and conveying marshalling 5, which utilizes, moves steel chain to the conveying fashioned iron of cutter 6；
Cutter 6, cutter 6 cut off fashioned iron for cold shears, " a kind of shoe disclosed in " 207615736 U of CN " can be used
Strip cold shear device "；
Fixed ruler baffle 7, for shear preceding scale to fashioned iron, this example includes the fixed ruler baffle 7 there are two different location, and two
Fixed ruler baffle 7 is distributed along fashioned iron direction of travel, and accordingly there are two control size, respectively 66cm and 60cm for tool for fixed ruler baffle 7；
Packaging platform 8, there are two the settings of packaging platform 8, is distributed on the direction of travel of fashioned iron, passes through the movement of fashioned iron after control shearing
Distance and make fashioned iron enter one of packaging platform 8, such as Fig. 3 Shaped Steel advance it is relatively long distance reach left side packaging platform 8,
Fashioned iron traveling relatively short distance reaches right side packaging platform 8, and fashioned iron is delivered to packaging platform double steel bundling；
The track shoes of bale packing are hoisted to band sawing machine 9 across roller-way using driving, using band sawing machine 9 by the Track Type of final stage
The excision of steel tail, finished product final inspection, weighman, storage.
In the production method of Fig. 1, finished product rolls out heat type steel, is slightly cut using hot saw scale, when slightly cutting must there are 80mm ~
100mm sawing machine finish-machining allowance, band sawing machine cause fashioned iron due to slightly cutting larger there are surplus finally according to cut lengths fine cut
Finished product waste, so that lumber recovery is relatively low.In addition, fashioned iron is moved to collecting tank using shifting steel chain by marshalling after slightly cutting, mixed in collecting tank
Different fixed size steels are put, are made troubles to packing.Shaped steel swing at random is delivered to track flatcar using flatcar using driving
Be packaged across, again using driving by shaped steel swing to buffering place.After emptying Deng packing rack, baler utilizes driving by scale
The different mixed fashioned iron put is hung to hand press-packing rack again, manually picks fashioned iron at random by branch and is packaged according to scale specification double steel
It ties up, this process labor intensity of workers is big, is easy industrial injury.
Production method compared to Fig. 1 in this example, only carries out shearing together, i.e., primary fixed by cutter cold shears fashioned iron
Ruler improves lumber recovery not there are shearing surplus.Track shoes are delivered to semi-automatic packaging platform and are packaged after shearing, according to
Different scales are transplanted on the packaging platform of corresponding scale, and fashioned iron is delivered to packaging platform double steel bundling, can save a large amount of labours, and industrial injury
It reduces.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention, it is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of Section Steel Production method, it includes rolling mill practice and rear road finishing process, and the rolling mill practice is for rolling out heat
Fashioned iron, which is characterized in that road finishing process includes: after described
Cooling step, the cooling step include that fashioned iron is cooled to 90 DEG C or less；
Straightening step, the straightening step include aligning to fashioned iron；
Supplying step is organized into groups, the marshalling supplying step includes conveying fashioned iron；
Cold shears step, the cold shears step include cold shears cutting fashioned iron.
2. Section Steel Production method according to claim 1, it is characterised in that: it further includes being packaged step, the packing step
It suddenly include classifying by the steel section size.
3. Section Steel Production method according to claim 2, it is characterised in that: it is described classification include adjustment fashioned iron movement away from
From.
4. Section Steel Production method according to claim 1, it is characterised in that: it further includes back-end crop step, the back-end crop step
It suddenly include that sawing is carried out to the tail portion of fashioned iron.
5. Section Steel Production method according to claim 1, it is characterised in that: it further includes fixed size steel, the scale packet
Include at least two control length of setting.
6. Section Steel Production method according to claim 1, it is characterised in that: the Section Steel Production method is for producing crawler belt
Fashioned iron and/or I-steel and/or H profile steel.
7. a kind of Section Steel Production device, it includes rolling component (1) He Houdao finishing component (2), and the rolling component (1) is used for
Roll out heat type steel, which is characterized in that road finishing component (2) includes: after described
Cold bed (3), the cold bed (3) is for cooling down the heat type steel；
Straightener (4), the straightener (4) is for aligning fashioned iron；
Conveying marshalling (5), the conveying marshalling (5) is for conveying fashioned iron；
Cutter (6), the cutter (6) cut off fashioned iron for cold shears.
8. Section Steel Production device according to claim 7, it is characterised in that: it further includes determining at least one control length
Ruler baffle (7).
9. Section Steel Production device according to claim 7, it is characterised in that: it further includes at least one packaging platform (8), institute
Packaging platform (8) is stated to be distributed on the direction of travel of fashioned iron.
10. Section Steel Production device according to claim 7, it is characterised in that: it further includes sawing machine (9), the sawing machine (9)
Sawing is carried out for the tail portion to fashioned iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910549083.2A CN110201999B (en) | 2019-06-24 | 2019-06-24 | Section steel production method and section steel production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910549083.2A CN110201999B (en) | 2019-06-24 | 2019-06-24 | Section steel production method and section steel production device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110201999A true CN110201999A (en) | 2019-09-06 |
| CN110201999B CN110201999B (en) | 2024-06-25 |
Family
ID=67794156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910549083.2A Active CN110201999B (en) | 2019-06-24 | 2019-06-24 | Section steel production method and section steel production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110201999B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111468911A (en) * | 2020-04-07 | 2020-07-31 | 中冶东方工程技术有限公司 | Steel rail finishing method and production line |
| CN112845684A (en) * | 2021-01-05 | 2021-05-28 | 马钢集团设计研究院有限责任公司 | H-shaped steel finishing system and finishing method thereof |
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| AU1631883A (en) * | 1982-07-06 | 1984-01-12 | Algoma Steel Corp. Ltd., The | Accelerated cooling of hot railroad rails |
| CN101108392A (en) * | 2006-07-18 | 2008-01-23 | 偃师市荣泰金属制品有限公司 | Forklift truck transverse beam section rolling technique |
| CN102744560A (en) * | 2012-07-17 | 2012-10-24 | 安徽中杭股份有限公司 | Finishing method for straightening small and medium-sized angle steel double-line long ruler |
| CN103212571A (en) * | 2013-04-18 | 2013-07-24 | 湖南华菱湘潭钢铁有限公司 | Method for producing oxide scale capable of preventing steel plate surface from getting rusty |
| CN104353668A (en) * | 2014-10-08 | 2015-02-18 | 中冶赛迪工程技术股份有限公司 | Production line for rolling hollow steel and rolling forming production method for hollow steel |
| CN108067507A (en) * | 2018-01-19 | 2018-05-25 | 山东钢铁集团日照有限公司 | A kind of control method of hot rolling variety steel roughing nose |
| CN108620434A (en) * | 2018-04-24 | 2018-10-09 | 首钢长治钢铁有限公司 | A kind of X-shaped steel hot rolling molding process method |
| CN211304231U (en) * | 2019-06-24 | 2020-08-21 | 常熟市龙腾特种钢有限公司 | Section steel production device |
-
2019
- 2019-06-24 CN CN201910549083.2A patent/CN110201999B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU1631883A (en) * | 1982-07-06 | 1984-01-12 | Algoma Steel Corp. Ltd., The | Accelerated cooling of hot railroad rails |
| CN101108392A (en) * | 2006-07-18 | 2008-01-23 | 偃师市荣泰金属制品有限公司 | Forklift truck transverse beam section rolling technique |
| CN102744560A (en) * | 2012-07-17 | 2012-10-24 | 安徽中杭股份有限公司 | Finishing method for straightening small and medium-sized angle steel double-line long ruler |
| CN103212571A (en) * | 2013-04-18 | 2013-07-24 | 湖南华菱湘潭钢铁有限公司 | Method for producing oxide scale capable of preventing steel plate surface from getting rusty |
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| CN108067507A (en) * | 2018-01-19 | 2018-05-25 | 山东钢铁集团日照有限公司 | A kind of control method of hot rolling variety steel roughing nose |
| CN108620434A (en) * | 2018-04-24 | 2018-10-09 | 首钢长治钢铁有限公司 | A kind of X-shaped steel hot rolling molding process method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111468911A (en) * | 2020-04-07 | 2020-07-31 | 中冶东方工程技术有限公司 | Steel rail finishing method and production line |
| CN112845684A (en) * | 2021-01-05 | 2021-05-28 | 马钢集团设计研究院有限责任公司 | H-shaped steel finishing system and finishing method thereof |
| CN112845684B (en) * | 2021-01-05 | 2024-02-27 | 马钢集团设计研究院有限责任公司 | H-shaped steel finishing system and finishing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110201999B (en) | 2024-06-25 |
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