CN206936012U - Heavy section steel rolled steel production system - Google Patents
Heavy section steel rolled steel production system Download PDFInfo
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- CN206936012U CN206936012U CN201720753792.9U CN201720753792U CN206936012U CN 206936012 U CN206936012 U CN 206936012U CN 201720753792 U CN201720753792 U CN 201720753792U CN 206936012 U CN206936012 U CN 206936012U
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Abstract
The utility model discloses a kind of heavy section steel rolled steel production system, the first level two-roller reversible big mill system and the second horizontal two-roller reversible big mill system continuously arranged including two framves, the first level two-roller reversible big mill system is connected to form continuous rolling relationship with the described second horizontal two-roller reversible big mill system, and 8~11 frame Continuous mill trains are continuously disposed with after the second horizontal two-roller reversible big mill system；The utility model overcomes the defects of heavy section steel Rolling production technology in the prior art and deficiency, process layout rationally, reduce energy resource consumption, be environment-friendly, being readily produced operation and maintenance, not only having reduced production cost but also easily controllable product quality.
Description
Technical field
It the utility model is related to a kind of heavy section steel rolled steel production system.
Background technology
Produce web height 500mm~1000mm H profile steels or suitable specification heavy section steel product, its steel rolling production-line according to
According to production scale, product cross section complexity, the horizontal two-roller reversible big mill (1BD/1BD+1BD) of 1~2 frame is typically set,
Reciprocal reversible multi-pass unit rolling is first carried out to rectangle or special-shaped section continuous casting billet, is rolled into blank among suitable cross-section,
Again the reversible Continuous mill train of the frame of fed downstream 3 (1 frame is omnipotent/roller of level two exchanges the roller edging mill E of roughing mill U/HR+1 framves level two
+ 1 frame is omnipotent/and the roller of level two exchanges finishing mill U/HF), through the reciprocal reversible frame tandem rolling of multi-pass three, finally it is rolled into qualified big
Type shaped steel finished product.
Production scale is little and product cross section is relatively easy, generally sets the horizontal two-roller reversible big mill (1BD) of 1 frame,
Big mill is front and rear to set manipulator and hook-type lifting finger, for guiding rolled piece to enter correctly into pass, carries out double steel behaviour if necessary
Make, rectangle or special-shaped section continuous casting billet first carry out the back and forth reversible unit rolling of 5~9 passages on horizontal two-roller reversible big mill
Afterwards, the reversible Continuous mill train of the frame of fed downstream 3 (1U/HR+1E+1U/HF) carries out the reciprocal reversible three frames tandem rolling of 5~9 passages, directly
To rolling into qualified heavy section steel finished product.
As shown in figure 1, when production scale is larger or product cross section is complicated, it is existing large-scale to meet production capacity requirement
Shaped steel steel rolling production technology sets 2 framves to track the horizontal two-roller reversible big mill (1BD+1BD) that cloth chess/tandem is arranged, every frame
Manipulator and hook-type lifting finger are respectively provided with before and after big mill, for guiding rolled piece to enter correctly into pass, carries out double steel if necessary
Operation, rectangle or special-shaped section continuous casting billet first carry out 5~7 passages back and forth reversible list on No. 1 horizontal two-roller reversible big mill
Machine is rolled, then the back and forth reversible unit rolling of 3~5 passages is carried out on No. 2 horizontal two-roller reversible big mills, afterwards fed downstream
The reversible Continuous mill train of 3 frames (1U/HR+1E+1U/HF) continues to roll, and middle base is in the reversible Continuous mill train (1U/HR+1E+ of 3 frames
Through the reciprocal reversible frame tandem rolling of 5~9 passage three on 1U/HF), qualified heavy section steel finished product is finally rolled into.
The above-mentioned horizontal reversible Continuous mill train (1U/HR+ of the frame of two-roller reversible big mill (1BD/1BD+1BD)+3 of 1~2 frame
1E+1U/HF) arrangement, though meeting heavy section steel Rolling production requirement, rectangle or special-shaped section continuous casting billet are needed first through 1
The horizontal two-roller reversible big mill (1BD/1BD+1BD) of~2 framves carries out the back and forth reversible unit rolling, then through downstream 3 of 5~12 passages
The reversible Continuous mill train of frame (1U/HR+1E+1U/HF) carries out the reciprocal reversible three frames tandem rolling of 5~9 passages, could finally be rolled into
Heavy section steel product, column defects and deficiency in the presence of such a heavy section steel production technology：
It is (1) big from rectangle or special-shaped section continuous casting billet milling into heavy section steel product rolling cycle length, rolled piece temperature drop, it is desirable to
Rectangle or special-shaped section continuous casting billet heating-up temperature in heating furnace are high, have so both increased heating furnace energy resource consumption, and have increased continuous casting billet
Oxidization burning loss, also increase heating furnace CO2 emission；
(2) in the reciprocal reversible continuous rolling process of the reversible Continuous mill train of 3 frames (1U/HR+1E+1U/HF), need constantly to each frame
Rolling mill roll roll gap is adjusted, therefore to the rolling mill body accuracy of manufacture and corresponding supporting hydraulic pressure facility, electric control system, life
Production operation and maintenance etc. requires high, if operation adjustment or system maintenance are improper, it may be difficult to ensure heavy section steel production matter
Amount；
Special X-H pass schedules cause roll used by (3) the 3 reversible Continuous mill trains of frame (1U/HR+1E+1U/HF)
Consumption is big, and production cost is high.
Utility model content
Rolled in view of the above-mentioned problems, a kind of process layout of the utility model offer is reasonable, is readily produced the heavy section steel of operation
Steel production system.
Continuously arranged to reach above-mentioned purpose, a kind of heavy section steel rolled steel production system of the utility model, including two framves
First level two-roller reversible big mill system and the second horizontal two-roller reversible big mill system, the roller of first level two can
Inverse big mill system connects to form continuous rolling relationship with the described second horizontal two-roller reversible big mill system, and described second is horizontal
8~11 frame Continuous mill trains are continuously disposed with after two-roller reversible big mill system.
Preferably, the first level two-roller reversible big mill system include first level two-roller reversible big mill with
And it is successively set on the first big mill front mill table and first before described first level two-roller reversible big mill
Extension roller table before big mill, the first big mill front mill table side are provided with manipulator and hook before the first big mill
Formula lifting finger；
The second horizontal two-roller reversible big mill system is including the second horizontal two-roller reversible big mill and successively
The the second big mill rear mill table and the second cogging being arranged on after the second described horizontal two-roller reversible big mill roll
Extension roller table after machine, the second big mill rear mill table side are provided with manipulator and hook-type double steel after the second big mill
Device.
Preferably, middle base is disposed between extension roller table and described Continuous mill train after second big mill
Lifting work roller-way and rolled piece centralising device before conveyor roller, crop hot saw, Continuous mill train；Tandem mill described in 8~11 framves
Group include 3~6 framves that set gradually it is omnipotent/the roller exchange mill of level two, the 1 frame edging/roller exchange mill of level two, 2 framves are omnipotent/
The roller exchange mill of level two, 1 frame edging/roller exchange mill of level two and 1 frame it is omnipotent/the roller exchange mill of level two；Described company
Cold bed input frequency conversion roller-way is additionally provided with after milling train group.
The utility model overcomes the medium-and-large-sized shaped steel steel rolling production technology of background technology and uses the horizontal two-roller reversible of 1~2 frame
The defects of big mill and 3 frames reversible Continuous mill train and deficiency, and process layout rationally, reduce energy resource consumption, environment friend
Well, it is readily produced operation and maintenance, reduces production cost, easily controllable product quality.
Brief description of the drawings
Fig. 1 is that 2 framves tracking cloth is scattereded all over like men on a chessboard the horizontal two-roller reversible big mill and the reversible tandem mill of 3 frames put in background technology
Group mill area floor plan；
Fig. 2 is the utility model heavy section steel rolled steel production system integrated connection schematic diagram；
Fig. 3 is first level two-roller reversible big mill system and in the utility model heavy section steel rolled steel production system
Two horizontal two-roller reversible big mill system connection relationship diagrams；
Fig. 4 is Continuous mill train connection diagram in the utility model heavy section steel rolled steel production system；
The horizontal two-roller reversible big mill put is scattereded all over like men on a chessboard marked as 2 framves tracking cloth and the reversible Continuous mill train of 3 frames rolls in Fig. 1
Part in machine area planar layout drawing, extension roller table before 1, No. 1 big mill in Fig. 1,2, No. 1 big mill front mill tables,
3rd, manipulator and hook-type lifting finger before No. 1 big mill, 4, No. 1 horizontal two-roller reversible big mills, 5, No. 1 big mill pushers
Bed and hook-type lifting finger, 6, No. 1 big mill rear mill tables, extension roller table after 7, No. 1 big mills, 8, No. 1 coggings are rolled
Horizontal machine for moving steel after machine, extension roller table before 9, No. 2 big mills, 10, No. 2 big mill front mill tables, 11, No. 2 coggings are rolled
Manipulator and hook-type lifting finger before machine, 12, No. 2 horizontal two-roller reversible big mills, manipulator and hook-type after 13, No. 2 big mills
Lifting finger, 14, No. 2 big mill rear mill tables, extension roller table after 15, No. 2 big mills are horizontal after 16, No. 2 big mills
To machine for moving steel, extension roller table before 17, the 3 reversible Continuous mill trains of frame, lifting work roller-way before 18, the 3 reversible Continuous mill trains of frame,
19th, centralising device before the reversible Continuous mill train of 3 frames, 20, the 3 reversible Continuous mill trains of frame (1U/HR+1E+1U/HF), 21,3 frames
Centralising device after reversible Continuous mill train, lifting work roller-way after 22, the 3 reversible Continuous mill trains of frame, 23, the 3 reversible tandem mills of frame
Extension roller table after group.
Embodiment
The utility model is further described with reference to Figure of description.
Embodiment 1
As shown in Fig. 2 a kind of heavy section steel rolled steel production system of this implementation, including the first level two that two framves are continuously arranged
The reversible big mill system of roller and the second horizontal two-roller reversible big mill system, the first level two-roller reversible big mill
System is connected to form continuous rolling relationship with the described second horizontal two-roller reversible big mill system, and the second horizontal two-roller reversible is opened
8~11 frame Continuous mill trains 212 are continuously disposed with after steel mill system.
As shown in figure 3, the first level two-roller reversible big mill system is rolled including first level two-roller reversible cogging
Worked before machine 204 and the first big mill before being successively set on described first level two-roller reversible big mill 204
Extension roller table 201 before the big mill of roller-way 202 and first, the side of the first big mill front mill table 202 are provided with
Manipulator 203 and hook-type lifting finger before one big mill；
The second horizontal two-roller reversible big mill system include the second horizontal two-roller reversible big mill 205 and according to
Secondary the second big mill rear mill table 206 being arranged on after the second described horizontal two-roller reversible big mill 205 and the
Extension roller table 208 after two big mills, after the side of the second big mill rear mill table 206 is provided with the second big mill
Manipulator 207 and hook-type lifting finger.
As shown in figure 4, set successively between extension roller table 208 and described Continuous mill train 212 after second big mill
It is equipped with lifting work roller-way 210 and rolled piece centralising device 211 before middle base conveyor roller 209, crop hot saw, Continuous mill train；8
3~6 framves that Continuous mill train 212 described in~11 framves includes setting gradually are omnipotent/the roller exchange mill of level two, 1 frame edging/level
Two roller exchange mills, 2 framves are omnipotent/the roller exchange mill of level two, 1 frame edging/roller exchange mill of level two and 1 frame it is omnipotent/horizontal
Two roller exchange mills；Cold bed input frequency conversion roller-way is additionally provided with after described Continuous mill train 212.
Rectangle or special-shaped section continuous casting billet are transported on the first big mill front mill table 202 and by the first cogging
Manipulator 203 guides correct centering pass before milling train；First big mill front mill table 202, first level two-roller reversible cogging
The horizontal Positive work of two-roller reversible big mill 205 of milling train 204 and second, rectangle or special-shaped section continuous casting billet are sequentially sent to
First, the second horizontal two-roller reversible big mill carries out the 1st passage Stand Mill tandem rolling；Rolled piece off-position after rolling is in the second big mill
Correct centering pass is guided on rear mill table 206 and by manipulator 207 after the second big mill；Worked after second big mill
Roller-way 206, the second horizontal antiport of two-roller reversible big mill 205 and first level two-roller reversible big mill 204, will roll
Part is sequentially sent to second, first level two-roller reversible big mill and carries out the 2nd passage Stand Mill tandem rolling；Milling train off-position after rolling in
On first big mill front mill table 202, circulation carries out aforesaid operations successively, until rectangle or special-shaped section continuous casting billet are rolled
The middle blank of suitable cross-section is made；Middle blank after rolling again, which is transported in 8~11 frame Continuous mill trains 212, continuously to be rolled
System.
The present embodiment is greatly reduced from rectangle or special-shaped section continuous casting billet milling into during the pure rolling of heavy section steel product
Between, rolled piece temperature drop is reduced, continuous casting billet is reduced and goes out heating furnace and start rolling temperature, reduce heating furnace energy resource consumption and CO2 emission
Amount, continuous casting billet oxidization burning loss is reduced, improve recovery rate of iron, reduce roll consumption, reduce production cost, improve milling train production effect
Rate, expand thin-walled specification heavy section steel product scope.
Embodiment 2
A kind of heavy section steel Rolling production method of the present embodiment, described method comprise the following steps：
1) rectangle or special-shaped section continuous casting billet are transported on the first big mill front mill table 202 and by the first cogging
Manipulator 203 guides correct centering pass before milling train；
2) the first big mill front mill table 202, first level two-roller reversible big mill 204 and the roller of the second level two
The reversible Positive work of big mill 205, rectangle or special-shaped section continuous casting billet are sequentially sent to first, second horizontal two-roller reversible and opened
Steel mill carries out the 1st passage Stand Mill tandem rolling；
3) rolled piece off-position after being rolled in step 2) is on the second big mill rear mill table 206 and passing through the second cogging
Manipulator 207 guides correct centering pass after milling train；
4) the second big mill rear mill table 206, the second horizontal two-roller reversible big mill 205 and the roller of first level two
The reversible antiport of big mill 204, rolled piece is sequentially sent to second, first level two-roller reversible big mill and carries out the 2nd
Secondary Stand Mill tandem rolling；
5) rolled piece off-position after step 4) is rolled is on the first big mill front mill table 202 and passing through the first reversible cogging
Manipulator 203 guides correct centering pass, repeat step 2 before milling train) operation to rolled piece carry out the 3rd passage Stand Mill tandem rolling；
6) step 5) rolls rear rolled piece off-position after on the second big mill rear mill table 206 and by the second big mill
Manipulator 207 guides correct centering pass, and circulation successively carries out above-mentioned steps 4) operation of~step 5), until by rectangle or abnormal shape
Middle blank of the section continuous casting billet milling into suitable cross-section；
7) the middle blank after being rolled in step 6) is transported in 8~11 frame Continuous mill trains 212 and carries out continuous rolling.
Also include carrying out double steel to continuous casting billet or rolled piece after step 1) and described step 3) described in the present embodiment
Operation.
Also include being heated rectangle or section continuous casting billet and through high pressure water descaling device before the step 1)
Remove once oxidation iron sheet.
Also include step before the step 2) and the step 4)：By the He of first level two-roller reversible big mill 204
Second horizontal two-roller reversible big mill 205 is adjusted according to predetermined drafts to mill roll-gap.
Also include step before the step 7)：Middle blank in described step 6) is cut into irregular head.
Step 7) the specific steps include：
By middle blank by transport, lift and centering after be sequentially sent to be formed continuous rolling relationship 3~6 framves it is omnipotent/water
Flat two roller exchange mills, the 1 frame edging/roller exchange mill of level two, 2 framves are omnipotent/the roller exchange mill of level two, 1 frame edging/level
Two roller exchange mills and 1 frame it is omnipotent/the roller exchange mill of level two carries out continuous rolling into qualified heavy section steel, and by after rolling
Heavy section steel delivers to cold bed cooling.
The present embodiment is greatly reduced from rectangle or special-shaped section continuous casting billet milling into during the pure rolling of heavy section steel product
Between, rolled piece temperature drop is reduced, continuous casting billet is reduced and goes out heating furnace and start rolling temperature, reduce heating furnace energy resource consumption and CO2 emission
Amount, continuous casting billet oxidization burning loss is reduced, improve recovery rate of iron, reduce roll consumption, reduce production cost, improve milling train production effect
Rate, expand thin-walled specification heavy section steel product scope.
More than, preferred embodiment only of the present utility model, but the scope of protection of the utility model is not limited thereto, and is appointed
What those familiar with the art the change that can readily occur in or replaces in the technical scope that the utility model discloses
Change, should all cover within the scope of protection of the utility model.Therefore, the scope of protection of the utility model should be with claim
The protection domain defined is defined.
Claims (3)
- A kind of 1. heavy section steel rolled steel production system, it is characterised in that：The first level two-roller reversible continuously arranged including two framves Big mill system and the second horizontal two-roller reversible big mill system, the first level two-roller reversible big mill system and The second horizontal two-roller reversible big mill system connects to form continuous rolling relationship, the second horizontal two-roller reversible big mill 8~11 frame Continuous mill trains are continuously disposed with after system.
- A kind of 2. heavy section steel rolled steel production system as claimed in claim 1, it is characterised in that：The first level two-roller reversible Big mill system includes first level two-roller reversible big mill and is successively set on described first level two-roller reversible Extension roller table before the first big mill front mill table and the first big mill before big mill, first big mill Front mill table side is provided with manipulator and hook-type lifting finger before the first big mill；The second horizontal two-roller reversible big mill system includes the second horizontal two-roller reversible big mill and set gradually After the second big mill rear mill table and the second big mill after the second described horizontal two-roller reversible big mill Extension roller table, the second big mill rear mill table side are provided with manipulator and hook-type double steel dress after the second big mill Put.
- A kind of 3. heavy section steel rolled steel production system as claimed in claim 2, it is characterised in that：Prolong after second big mill Stretch and lift work before middle base conveyor roller, crop hot saw, Continuous mill train are disposed between roller-way and described Continuous mill train Make roller-way and rolled piece centralising device；3~6 framves that Continuous mill train described in 8~11 framves includes setting gradually are omnipotent/roller of level two Exchange mill, 1 frame edging/roller exchange mill of level two, 2 framves are omnipotent/and the roller exchange mill of level two, 1 frame edging/roller of level two be mutual Change milling train and 1 frame it is omnipotent/the roller exchange mill of level two；Cold bed input frequency conversion roller-way is additionally provided with after described Continuous mill train.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720753792.9U CN206936012U (en) | 2017-06-27 | 2017-06-27 | Heavy section steel rolled steel production system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720753792.9U CN206936012U (en) | 2017-06-27 | 2017-06-27 | Heavy section steel rolled steel production system |
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| Publication Number | Publication Date |
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| CN206936012U true CN206936012U (en) | 2018-01-30 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107199242A (en) * | 2017-06-27 | 2017-09-26 | 中冶华天工程技术有限公司 | Heavy section steel rolled steel production system and method |
| CN109290369A (en) * | 2018-09-27 | 2019-02-01 | 天津市中重科技工程有限公司 | A kind of large-scale and ultra-large H-beam rolling mill practice |
-
2017
- 2017-06-27 CN CN201720753792.9U patent/CN206936012U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107199242A (en) * | 2017-06-27 | 2017-09-26 | 中冶华天工程技术有限公司 | Heavy section steel rolled steel production system and method |
| CN109290369A (en) * | 2018-09-27 | 2019-02-01 | 天津市中重科技工程有限公司 | A kind of large-scale and ultra-large H-beam rolling mill practice |
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