CN112247091A - Casting blank conveying system and casting blank double-line hot conveying, single-line hot conveying and cold conveying method - Google Patents
Casting blank conveying system and casting blank double-line hot conveying, single-line hot conveying and cold conveying method Download PDFInfo
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- CN112247091A CN112247091A CN202011143740.2A CN202011143740A CN112247091A CN 112247091 A CN112247091 A CN 112247091A CN 202011143740 A CN202011143740 A CN 202011143740A CN 112247091 A CN112247091 A CN 112247091A
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- 238000005266 casting Methods 0.000 title claims abstract description 229
- 238000000034 method Methods 0.000 title abstract description 25
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 175
- 239000010959 steel Substances 0.000 claims abstract description 175
- 238000001816 cooling Methods 0.000 claims description 37
- 238000009749 continuous casting Methods 0.000 claims description 36
- 230000007246 mechanism Effects 0.000 claims description 30
- 238000007599 discharging Methods 0.000 claims description 14
- 230000007306 turnover Effects 0.000 claims description 11
- 238000012384 transportation and delivery Methods 0.000 claims description 7
- 238000002716 delivery method Methods 0.000 claims 4
- 230000008569 process Effects 0.000 abstract description 5
- 238000005096 rolling process Methods 0.000 description 21
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
- B22D11/1284—Horizontal removing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
- B22D11/1287—Rolls; Lubricating, cooling or heating rolls while in use
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Abstract
The invention discloses a casting blank conveying system and a casting blank double-line hot conveying, single-line hot conveying and cold conveying method, wherein the casting blank conveying system comprises a first hot conveying roller way (4), a first steel splitting machine (3), a steel lifting machine (5), a second steel splitting machine (6), a transverse and overturning bed (7) and a second hot conveying roller way (8) which are sequentially arranged from right to left, a transverse steel moving machine (2) is arranged above the steel lifting machine (5), the casting blank (13) on the steel lifting machine (5) can be moved to the first steel splitting machine (3) and the second steel splitting machine (6) or the transverse and overturning bed (7) through the transverse steel moving machine (2), the casting blank (13) can be moved to the transverse and overturning bed (7) through the second steel splitting machine (6), and the casting blank (13) can be moved to the transverse and overturning bed (7) through the transverse and overturning bed (7) to enable the casting blank (13) to advance. The casting blank conveying system and the casting blank double-line hot conveying, single-line hot conveying and cold conveying method can realize various different conveying and off-line modes of the casting blank and meet the requirements of different process requirements.
Description
Technical Field
The invention relates to the technical field of steel continuous casting, in particular to a casting blank conveying system, a casting blank double-line hot conveying method, a casting blank single-line hot conveying method and a casting blank cold conveying method.
Background
With the development of the steel industry, steel enterprises pay more and more attention to energy conservation and consumption reduction, wherein the continuous casting billet hot delivery hot charging process is an important measure for the steel enterprises to save energy, reduce consumption and improve yield and quality. The realization of the method is based on matched equipment, is based on the premise of obtaining a high-temperature defect-free casting blank, and is a comprehensive technology integrating a series of technologies such as production planning, continuous casting production, casting blank conveying, heating rolling, scheduling management and the like. In order to improve the production efficiency and reduce the production cost, the smelting furnace capacity of the newly-built steel plant is increased more and more at present, the flow number of corresponding continuous casting machines is increased more and more or the drawing speed is increased more and more, the production capacity of one small square billet continuous casting machine can meet the production requirements of two rolling lines, and the heat transfer ratio is improved as much as possible in order to reduce the energy consumption. The matching and the smooth running of the continuous casting and steel rolling interface are the key for realizing the hot conveying technology. And a proper casting blank hot delivery mode is selected according to the production requirements of hot delivery of 2 high lines of 1 small square billet continuous casting machine, so that the production of 2 rolling lines is met.
Disclosure of Invention
The invention provides a casting blank conveying system and a casting blank double-line hot conveying, single-line hot conveying and cold conveying method in order to realize that one continuous casting machine supplies two rolling lines for production.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a casting blank conveying system, send the roll table including the first heat that sets gradually from the right side left, first branch steel machine, lift the steel machine, the second divides the steel machine, sideslip and roll-over bed and second heat send the roll table, it corresponds with conticaster ejection roller table to lift the steel machine and be connected, it is equipped with horizontal steel machine to lift the top of steel machine, horizontal steel machine can remove the casting blank on lifting the steel machine to first branch steel machine, second branch steel machine or sideslip and roll-over bed, the second divides the steel machine to remove the casting blank to sideslip and roll-over bed, sideslip and roll-over bed can make the casting blank sideslip advance or the upset advance.
The transverse moving and overturning bed comprises a stepping overturning cooling bed and a billet conveying vehicle mechanism, the billet conveying vehicle mechanism is positioned on the front side and the rear side of the stepping overturning cooling bed, the stepping overturning cooling bed can overturn and advance the casting billet, the billet conveying vehicle mechanism can transversely move and advance the casting billet, and the transverse moving advancing speed is 60-120 m/min.
The blank conveying trolley mechanism comprises a blank conveying trolley, a blank conveying rail and a lifting hydraulic cylinder, wherein the blank conveying trolley, the blank conveying rail and the lifting hydraulic cylinder are sequentially connected from top to bottom, the blank conveying trolley can move left and right along the blank conveying rail, and the lifting hydraulic cylinder can enable the blank conveying trolley and the blank conveying rail to move up and down.
The blank conveying vehicle mechanism further comprises a blank conveying vehicle left winch and a blank conveying vehicle right winch, the blank conveying vehicle left winch, the blank conveying trolley and the blank conveying vehicle right winch are sequentially arranged from left to right, and the blank conveying trolley is connected with the blank conveying vehicle left winch and the blank conveying vehicle right winch through steel wire ropes.
The casting blank conveying system further comprises a first chain type elevator, a first furnace feeding roller way, a second chain type elevator and a second furnace feeding roller way; the casting blank on the first steel divider can be conveyed through a first hot conveying roller way, a first chain type elevator and a first furnace entering roller way in sequence; and the casting blanks on the transverse moving and overturning beds can be conveyed through a second hot conveying roller way, a second chain type elevator and a second furnace entering roller way in sequence.
The casting blank double-line hot conveying method adopts the casting blank conveying system, and comprises the following steps:
step 1, lifting a casting blank on a steel lifting machine;
step 3, lifting the casting blank on a steel lifting machine;
and 4, pushing the casting blank on the steel lifting machine to a second steel splitting machine by the transverse steel shifting machine, pushing the casting blank to a transverse and turnover bed by the second steel splitting machine, and enabling the casting blank to move forwards in a transverse mode by the transverse and turnover bed.
The casting blank conveying system further comprises a first chain type elevator, a first furnace feeding roller way, a second chain type elevator and a second furnace feeding roller way; the transverse moving and overturning bed comprises a stepping overturning cooling bed and a blank conveying vehicle mechanism;
the step 2 comprises the following steps:
step 2.1, pushing the casting blank to a first hot conveying roller bed by a first steel splitting machine;
2.2, transporting the casting blank to a first chain type hoister by a first hot conveying roller way;
step 2.3, lifting the casting blank to a first furnace feeding roller way by a first chain type lifting machine;
step 2.4, carrying out hot conveying on the casting blank by a first furnace feeding roller way;
step 4 comprises the following steps:
4.1, enabling the casting blank to move forwards to a second hot roller conveying way by the blank conveying vehicle mechanism of the transverse moving and overturning bed;
4.2, transporting the casting blank to a second chain type elevator by a second hot roller conveyor;
4.3, lifting the casting blank to a second furnace feeding roller way by a second chain type lifting machine;
4.4, carrying out hot conveying on the casting blank by a second furnace feeding roller way;
the casting blank single-line hot conveying method adopts the casting blank conveying system, and comprises the following steps:
step 1, lifting a casting blank on a steel lifting machine;
step 3, lifting the casting blank on a steel lifting machine;
and 4, pushing the casting blank on the steel lifting machine to a transverse moving and overturning bed by the transverse moving machine, and enabling the casting blank to overturn and advance by the transverse moving and overturning bed.
And 5, the casting blank on the transverse moving and overturning bed is off-line through the crown block.
The casting blank conveying system further comprises a first chain type elevator and a first furnace feeding roller way; the transverse moving and overturning bed comprises a stepping overturning cooling bed and a blank conveying vehicle mechanism;
the step 2 comprises the following steps:
step 2.1, pushing the casting blank to a first hot conveying roller bed by a first steel splitting machine;
2.2, transporting the casting blank to a first chain type hoister by a first hot conveying roller way;
step 2.3, lifting the casting blank to a first furnace feeding roller way by a first chain type lifting machine;
step 2.4, carrying out hot conveying on the casting blank by a first furnace feeding roller way;
step 4 comprises the following steps:
step 4.1, pushing the casting blank to the inlet end of the transverse moving and overturning bed by a transverse steel moving machine;
and 4.2, turning the casting blank to move to the outlet end of the transverse moving and turning bed by the stepping turning cooling bed of the transverse moving and turning bed.
A casting blank cooling method adopts the casting blank conveying system, and comprises the following steps:
step 1, lifting a casting blank on a steel lifting machine;
and 2, pushing the casting blank on the steel lifting machine to a transverse moving and overturning bed by the transverse moving machine, and enabling the casting blank to overturn and advance by the transverse moving and overturning bed.
And 3, the casting blank on the transverse moving and overturning bed is off-line through the crown block.
The invention has the beneficial effects that: the casting blank conveying system and the casting blank double-line hot conveying, single-line hot conveying and cold conveying method can realize various different conveying and off-line modes of the casting blank and meet the requirements of different process requirements.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic plan view of a cast slab conveying system according to the present invention.
FIG. 2 is a front view of a first hot roller table, a first steel divider, a steel lifter, a second steel divider, a traversing and turning bed, and a second hot roller table.
FIG. 3 is a front view of the traversing and inverting bed.
FIG. 4 is a top view of the traversing and inverting bed.
Fig. 5 is a front view of the stepped inverted cooling bed.
Figure 6 is a front view of the blank carrier mechanism.
1. A knockout roller way of the continuous casting machine; 2. a transverse steel moving machine; 3. a first steel divider; 4. a first hot roller bed; 5. lifting the steel machine; 6. a second steel splitting machine; 7. traversing and turning over the bed; 8. a second hot roller bed; 9. a second chain hoist; 10. a second furnace entering roller way; 11. a first chain hoist; 12. a first furnace entering roller way; 13. casting blanks;
101. a first stream; 102. a second stream; 103. a third stream; 104. a fourth stream; 105. a fifth stream; 106. a sixth stream; 107. a seventh stream; 108. an eighth stream;
701. turning over the cooling bed step by step; 702. a billet conveying trolley; 703. a billet conveying track; 704. a lifting hydraulic cylinder; 705. left winding of the blank conveying vehicle; 706. and (5) hoisting the blank transporting vehicle to the right.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
A casting blank conveying system comprises a first hot conveying roller way 4, a first steel splitting machine 3, a steel lifting machine 5, a second steel splitting machine 6, a transverse and overturning bed 7 and a second hot conveying roller way 8 which are sequentially arranged from right to left, wherein the steel lifting machine 5 is correspondingly connected with a continuous casting machine billet discharging roller way 1, a transverse steel moving machine 2 is arranged above the steel lifting machine 5, the transverse steel moving machine 2 can move a casting blank 13 on the steel lifting machine 5 to the first steel splitting machine 3, the second steel splitting machine 6 or the transverse and overturning bed 7, the second steel splitting machine 6 can move the casting blank 13 to the transverse and overturning bed 7, and the transverse and overturning bed 7 can enable the casting blank 13 to move forwards in a transverse mode or overturn mode as shown in figures 1 and 2.
The billet discharging direction of the billet discharging roller table 1 of the continuous casting machine is the direction A, the first hot conveying roller table 4 can enable the casting blank 13 to move along the direction A, the first steel splitting machine 3 can enable the casting blank 13 to move from left to right, the transverse steel moving machine 2 can enable the casting blank 13 to move left or right, the second steel splitting machine 6 can enable the casting blank 13 to move from right to left, the transverse moving and overturning bed 7 can enable the casting blank 13 to move from right to left, and the second hot conveying roller table 8 can enable the casting blank 13 to move along the direction A.
In this embodiment, the transverse moving and overturning bed 7 comprises a stepping overturning cooling bed 701 and a billet conveying vehicle mechanism, the billet conveying vehicle mechanism is positioned at the front side and the rear side of the stepping overturning cooling bed 701, the stepping overturning cooling bed 701 can overturn and advance the casting blank 13, and the billet conveying vehicle mechanism can transversely move and advance the casting blank 13 at a speed of 60m/min-120 m/min. The transverse moving and overturning bed 7 can select a stepping overturning cooling bed 701 or a billet conveying vehicle mechanism to move the casting billet 13 from right to left.
The step-and-turn cooling bed 701 is a product of the prior art, and the casting blank 13 can turn and advance on the step-and-turn cooling bed 701 (i.e. turn and step from right to left), as shown in fig. 5. The blank conveying vehicle mechanism can support the casting blank 13, so that the casting blank 13 moves forwards in a transverse mode (moves rapidly from right to left) away from the bed surface of the stepping turnover cooling bed 701, and in the process, the casting blank 13 cannot rotate, as shown in fig. 3 and 4. When the stepping overturning cooling bed 701 works, the blank transporting vehicle mechanism stops; when the stepping turnover cooling bed 701 stops, the blank transporting vehicle mechanism works.
In this embodiment, the blank transporting vehicle mechanism comprises a blank transporting trolley 702, a blank transporting rail 703 and a lifting hydraulic cylinder 704 which are sequentially connected from top to bottom, the blank transporting rail 703 is arranged along the left-right direction, the blank transporting trolley 702 can move left and right along the blank transporting rail 703, that is, the left and right movement speed of the blank transporting trolley 702 is 60m/min-120m/min, and the lifting hydraulic cylinder 704 can move the blank transporting trolley 702 and the blank transporting rail 703 up and down. When the blank conveying trolley 702 is positioned at the upper limit position, the upper bearing surface of the blank conveying trolley 702 is higher than the bed surface of the stepping turnover cooling bed 701; when the blank transporting trolley 702 is located at the lower limit position, the upper bearing surface of the blank transporting trolley 702 is lower than the bed surface of the stepping and turning cooling bed 701, as shown in fig. 3 and 6.
In this embodiment, the blank transporting vehicle mechanism further includes a blank transporting vehicle left hoist 705 and a blank transporting vehicle right hoist 706, the blank transporting vehicle left hoist 705, the blank transporting vehicle 702 and the blank transporting vehicle right hoist 706 are sequentially arranged from left to right, and the blank transporting vehicle 702 is connected with the blank transporting vehicle left hoist 705 and the blank transporting vehicle right hoist 706 through a steel wire rope. The blank transporting trolley 702 can be driven to move left and right on the blank transporting track 703 by the left winch 705 and the right winch 706 of the blank transporting trolley, wheels are arranged at the bottom of the blank transporting trolley 702, and the blank transporting trolleys 702 of the front and rear blank transporting trolley mechanisms are required to be kept to move left and right synchronously.
In this embodiment, the casting blank conveying system further includes a first chain type elevator 11, a first furnace entering roller way 12, a second chain type elevator 9, and a second furnace entering roller way 10; the casting blank 13 on the first steel distributor 3 can be conveyed to a first rolling line through a first hot conveying roller way 4, a first chain type elevator 11 and a first furnace entering roller way 12 in sequence; the casting blank 13 on the transverse moving and overturning bed 7 can sequentially pass through the second hot conveying roller way 8, the second chain type elevator 9 and the second furnace entering roller way 10 to convey a second rolling line.
The first chain type hoister 11 can move the casting blank 13 up and down, the first charging roller table 12 can move the casting blank 13 along the A direction, the second chain type hoister 9 can move the casting blank 13 up and down, and the second charging roller table 10 can move the casting blank 13 along the A direction. The first hot roller conveying way 4, the first chain type hoister 11 and the first furnace feeding roller way 12 form a No. 1 hot conveying line, and the second hot roller conveying way 8, the second chain type hoister 9 and the second furnace feeding roller way 10 form a No. 2 hot conveying line.
The following describes a method for double-line hot delivery of a casting blank (hot delivery 2 lines), which uses the casting blank conveying system, and comprises the following steps:
step 1, lifting a casting blank 13 on a steel lifting machine 5;
and after the casting blank 13 comes out of the continuous casting machine, the casting blank enters the continuous casting machine blank discharging roller way 1, and the casting blank 13 on the continuous casting machine blank discharging roller way 1 is lifted to a slide rail at the upper part of the steel lifting machine 5 by the steel lifting machine 5. For example, the continuous casting machine run-out table 1 contains six to ten streams, for example eight streams, which are a first stream 101, a second stream 102, a third stream 103, a fourth stream 104, a fifth stream 105, a sixth stream 106, a seventh stream 107 and an eighth stream 108 from right to left in sequence, and the steel lifter 5 lifts the cast slab 13 on the continuous casting machine run-out table 1 from the first stream 101 (from right to left) onto a slide rail on the upper part of the steel lifter 5.
when 4 flows (a first flow 101, a second flow 102, a third flow 103 and a fourth flow 104) correspond to the casting blanks 13 lifted by the steel lifting machine 5, the transverse steel moving machine 2 moves transversely rightwards, all 4 casting blanks 13 are pushed onto the first steel splitting machine 3, the transverse steel moving machine 2 is interlocked with the steel lifting machine 5, and the steel lifting machine 5 does not run when the transverse steel moving machine 2 moves transversely.
After the casting blank 13 reaches the first steel splitting machine 3, the step 2 comprises the following steps:
step 2.1, the first steel splitting machine 3 sequentially splits (for example, four) casting blanks 13 and pushes the divided blanks onto the first hot conveying roller table 4;
2.2, sequentially conveying single casting blanks 13 to a first chain type lifting machine 11 by a first hot conveying roller way 4;
2.3, sequentially lifting the single casting blank 13 to a first furnace entering roller way 12 by a first chain type lifter 11;
and 2.4, sequentially and thermally conveying the single casting blank 13 to a first rolling line by the first furnace feeding roller way 12 to finish the thermal conveying of the casting blank of the No. 1 rolling line.
Step 3, lifting the casting blank 13 on the steel lifting machine 5;
after the casting blank 13 comes out of the continuous casting machine, the casting blank enters the continuous casting machine discharging roller way 1, and the steel lifting machine 5 starts to lift the casting blank 13 on the continuous casting machine discharging roller way 1 from a fifth flow 105 (from right to left) to a slide rail at the upper part of the steel lifting machine 5.
Step 4, the transverse steel moving machine 2 pushes the casting blank 13 on the steel lifting machine 5 to a second steel dividing machine 6, the second steel dividing machine 6 pushes the casting blank 13 to a transverse moving and overturning bed 7, and the transverse moving and overturning bed 7 enables the casting blank 13 to move forwards in a transverse moving mode;
when 4 streams (a fifth stream 105, a sixth stream 106, a seventh stream 107 and an eighth stream 108) correspond to the casting blanks 13 lifted by the steel lifting machine 5, the transverse moving machine 2 transversely moves leftwards, and all the 4 casting blanks 13 are pushed onto the second steel divider 6.
After the casting blank 13 reaches the second steel divider 6, the step 4 comprises the following steps:
4.1, operating the blank conveying trolley mechanism of the transverse moving and overturning bed 7, enabling the blank conveying trolley 702 to be located at an upper limit position, lifting the casting blank 13 by the blank conveying trolley 702 to enable the casting blank 13 to move forwards in a transverse manner (namely, to move rapidly from right to left) to the position above a second hot conveying roller table 8, and enabling the blank conveying trolley 702 to fall down to place the casting blank 13 on the second hot conveying roller table 8;
4.2, sequentially conveying the single casting blank 13 to a second chain type lifting machine 9 by a second hot conveying roller way 8;
4.3, sequentially lifting the single casting blank 13 to a second furnace entering roller way 10 by a second chain type lifter 9;
and 4.4, sequentially and thermally conveying the single casting blank 13 to a second rolling line by the second furnace feeding roller way 10 to finish the thermal conveying of the casting blank of the No. 2 rolling line.
And 5, sequentially repeating the steps 1 to 4.
The transverse steel moving machine 2 moves left and right alternately in sequence to match with other equipment to realize that 1 continuous casting machine respectively carries out hot feeding on two rolling lines for a single casting blank. Compared with the conventional hot conveying line, the method has the advantages that two or more parallel casting blanks are conveyed in a hot mode, the blanks are separated at the steel rolling position, the casting blanks on the side surfaces affected by mutual radiation of the casting blanks are bent outwards due to the fact that the casting blanks are conveyed side by side in the hot conveying process, and if the conventional hot conveying line is used for conveying two rolling steel wires of the blanks in a single hot mode, the conveying period is not urgent. The invention can realize the heat delivery of single casting blank and avoid the bending of the casting blank.
The casting blank single-line hot conveying method (No. 1 rolling line hot conveying, No. 2 rolling line non-hot conveying, and half of the casting blank is discharged through a cooling bed) is introduced below, the casting blank single-line hot conveying method adopts the casting blank conveying system, and the casting blank single-line hot conveying method comprises the following steps:
step 1, lifting a casting blank 13 on a steel lifting machine 5;
and after the casting blank 13 comes out of the continuous casting machine, the casting blank enters the continuous casting machine blank discharging roller way 1, and the casting blank 13 on the continuous casting machine blank discharging roller way 1 is lifted to a slide rail at the upper part of the steel lifting machine 5 by the steel lifting machine 5. For example, the continuous casting machine ejection roller table 1 contains eight streams, and the steel lifting machine 5 lifts the casting blank 13 on the continuous casting machine ejection roller table 1 from the first stream 101 (from right to left) to a slide rail on the upper part of the steel lifting machine 5.
when 4 flows (a first flow 101, a second flow 102, a third flow 103 and a fourth flow 104) correspond to the casting blanks 13 lifted by the steel lifting machine 5, the transverse steel moving machine 2 moves transversely rightwards, all 4 casting blanks 13 are pushed onto the first steel splitting machine 3, the transverse steel moving machine 2 is interlocked with the steel lifting machine 5, and the steel lifting machine 5 does not run when the transverse steel moving machine 2 moves transversely.
After the casting blank 13 reaches the first steel splitting machine 3, the step 2 comprises the following steps:
step 2.1, the first steel splitting machine 3 sequentially splits (for example, four) casting blanks 13 and pushes the divided blanks onto the first hot conveying roller table 4;
2.2, sequentially conveying single casting blanks 13 to a first chain type lifting machine 11 by a first hot conveying roller way 4;
2.3, sequentially lifting the single casting blank 13 to a first furnace entering roller way 12 by a first chain type lifter 11;
and 2.4, sequentially and thermally conveying the single casting blank 13 to a first rolling line by the first furnace feeding roller way 12 to finish the thermal conveying of the casting blank of the No. 1 rolling line.
Step 3, lifting the casting blank 13 on the steel lifting machine 5;
after the casting blank 13 comes out of the continuous casting machine, the casting blank enters the continuous casting machine discharging roller way 1, and the steel lifting machine 5 starts to lift the casting blank 13 on the continuous casting machine discharging roller way 1 from a fifth flow 105 (from right to left) to a slide rail at the upper part of the steel lifting machine 5.
Step 4, the transverse steel moving machine 2 pushes four casting blanks 13 on the steel lifting machine 5 to the transverse moving and overturning bed 7, and the transverse moving and overturning bed 7 enables the casting blanks 13 to overturn and advance;
step 4 comprises the following steps:
step 4.1, the transverse steel moving machine 2 pushes the casting blank 13 on the steel lifting machine 5 to the inlet end of the transverse and turnover bed 7;
step 4.2, the stepping overturning cooling bed 701 works, the blank conveying trolley mechanism stops working, the blank conveying trolley 702 is located at the lower limit position, as shown in fig. 6, the stepping overturning cooling bed 701 of the transverse moving and overturning bed 7 overturns and advances the casting blank 13 to the outlet end of the transverse moving and overturning bed 7, namely, the casting blank 13 is overturned and stepped from right to left through the matching of movable teeth and fixed teeth of the stepping overturning cooling bed 701, and is concentrated at the outlet end of the stepping overturning cooling bed 701;
and 5, the casting blank 13 on the transverse moving and overturning bed 7 is released (unloaded) through a crown block.
And 6, sequentially repeating the steps 1 to 5.
The transverse steel moving machine 2 moves left and right in turn to match with other equipment to realize hot feeding of two rolling lines of one continuous casting machine. Half of the casting blanks are hot sent to a No. 1 rolling line, and half of the casting blanks are discharged through a transverse moving and overturning bed 7.
A casting blank cold conveying method (No. 1 and No. 2 rolling lines are not hot conveyed, and a casting blank passes through a cooling bed and is off-line) is introduced, the casting blank cold conveying method adopts the casting blank conveying system, and the casting blank cold conveying method comprises the following steps:
step 1, lifting a casting blank 13 on a steel lifting machine 5;
and after the casting blank 13 comes out of the continuous casting machine, the casting blank enters the continuous casting machine blank discharging roller way 1, and the casting blank 13 on the continuous casting machine blank discharging roller way 1 is lifted to a slide rail at the upper part of the steel lifting machine 5 by the steel lifting machine 5. For example, the continuous casting machine ejection roller table 1 contains eight streams, and the steel lifting machine 5 lifts all the casting blanks 13 on the continuous casting machine ejection roller table 1 to the slide rails on the upper part of the steel lifting machine 5 from the first stream 101 (from right to left).
And 2, the transverse steel moving machine 2 pushes all eight casting blanks 13 on the steel lifting machine 5 to the transverse moving and overturning bed 7, and the transverse moving and overturning bed 7 overturns the casting blanks 13 to advance.
The step 2 comprises the following steps:
step 2.1, the transverse steel moving machine 2 pushes all eight casting blanks 13 on the steel lifting machine 5 to the inlet end of the transverse and turnover bed 7;
and 2.2, the stepping overturning cooling bed 701 works, the blank conveying trolley mechanism stops working, the blank conveying trolley 702 is located at the lower limit position, the stepping overturning cooling bed 701 of the transverse moving and overturning bed 7 overturns the casting blank 13 to advance to the outlet end of the transverse moving and overturning bed 7, namely, the casting blank 13 is overturned and stepped from right to left through the cooperation of movable teeth and fixed teeth of the stepping overturning cooling bed 701, and the casting blank 13 is centralized at the outlet end of the stepping overturning cooling bed 701.
And 3, inserting the eight casting blanks 13 on the transverse moving and overturning bed 7 off the line through a crown block.
And 4, sequentially repeating the step 1 to the step 3.
In the invention, a continuous casting machine billet roller way 1, a transverse steel moving machine 2, a first steel splitting machine 3, a first hot roller way 4, a steel lifting machine 5, a second steel splitting machine 6, a second hot roller way 8, a second chain type elevator 9, a second furnace entering roller way 10, a first chain type elevator 11 and a first furnace entering roller way 12 can all adopt products in the prior art. The casting blank 13 may be a billet having a cross section of 130mm × 130mm to 180mm × 180 mm.
For ease of understanding and description, the absolute positional relationship is used in the present invention, wherein the directional word "up" indicates a direction perpendicular to the paper surface of fig. 1 and directed to the outside of the paper surface, "down" indicates a direction perpendicular to the paper surface of fig. 1 and directed to the inside of the paper surface, "left" indicates a left direction in fig. 1, and "right" indicates a right direction in fig. 1. The present invention has been described in terms of the viewing angle of the reader or user, but the above directional terms should not be construed or interpreted as limiting the scope of the present invention.
The above description is only exemplary of the invention and should not be taken as limiting the scope of the invention, so that the invention is intended to cover all modifications and equivalents of the embodiments described herein. In addition, the technical features and the technical schemes, and the technical schemes can be freely combined and used.
Claims (10)
1. The casting blank conveying system is characterized by comprising a first hot conveying roller way (4), a first steel splitting machine (3), a steel lifting machine (5), a second steel splitting machine (6), a transverse and overturning bed (7) and a second hot conveying roller way (8) which are sequentially arranged from right to left, wherein the steel lifting machine (5) is correspondingly connected with a continuous casting machine blank discharging roller way (1), a transverse steel moving machine (2) is arranged above the steel lifting machine (5), the transverse steel moving machine (2) can move a casting blank (13) on the steel lifting machine (5) to the first steel splitting machine (3), the second steel splitting machine (6) or the transverse and overturning bed (7), the second steel splitting machine (6) can move the casting blank (13) to the transverse and overturning bed (7), and the transverse and overturning bed (7) can enable the casting blank (13) to move forwards in a transverse mode or overturn forwards.
2. The slab conveying system according to claim 1, wherein the traverse and reversing bed (7) comprises a stepping reversing cooling bed (701) and a slab conveying vehicle mechanism, the slab conveying vehicle mechanism is positioned at the front side and the rear side of the stepping reversing cooling bed (701), the stepping reversing cooling bed (701) can make the slab (13) turn and advance, and the slab conveying vehicle mechanism can make the slab (13) move and advance in a traverse way, and the speed of the traverse way is 60m/min-120 m/min.
3. The casting blank conveying system according to claim 2, wherein the blank conveying vehicle mechanism comprises a blank conveying trolley (702), a blank conveying rail (703) and a lifting hydraulic cylinder (704) which are sequentially connected from top to bottom, the blank conveying trolley (702) can move left and right along the blank conveying rail (703), and the lifting hydraulic cylinder (704) can enable the blank conveying trolley (702) and the blank conveying rail (703) to move up and down.
4. The casting blank conveying system according to claim 3, wherein the blank conveying vehicle mechanism further comprises a blank conveying vehicle left winch (705) and a blank conveying vehicle right winch (706), the blank conveying vehicle left winch (705), the blank conveying trolley (702) and the blank conveying vehicle right winch (706) are sequentially arranged from left to right, and the blank conveying trolley (702) is connected with the blank conveying vehicle left winch (705) and the blank conveying vehicle right winch (706) through steel ropes.
5. Casting blank conveying system according to claim 1, further comprising a first chain hoist (11), a first charging table (12), a second chain hoist (9) and a second charging table (10);
a casting blank (13) on the first steel divider (3) can be conveyed through a first hot conveying roller way (4), a first chain type elevator (11) and a first furnace entering roller way (12) in sequence;
the casting blank (13) on the transverse moving and overturning bed (7) can be conveyed through a second hot conveying roller way (8), a second chain type lifting machine (9) and a second furnace entering roller way (10) in sequence.
6. A twin-line hot delivery method of a cast slab, which uses the system of claim 1, comprising:
step 1, lifting a casting blank (13) on a steel lifting machine (5);
step 2, the transverse steel moving machine (2) pushes the casting blank (13) on the steel lifting machine (5) to the first steel dividing machine (3);
step 3, lifting the casting blank (13) on a steel lifting machine (5);
and 4, pushing the casting blank (13) on the steel lifting machine (5) onto a second steel divider (6) by the transverse steel divider (2), pushing the casting blank (13) onto a transverse and overturning bed (7) by the second steel divider (6), and enabling the casting blank (13) to move forwards in a transverse manner by the transverse and overturning bed (7).
7. The twin-line hot delivery method of a cast slab according to claim 6, wherein the slab conveying system further comprises a first chain elevator (11), a first charging table (12), a second chain elevator (9) and a second charging table (10); the transverse moving and overturning bed (7) comprises a stepping overturning cooling bed (701) and a billet conveying vehicle mechanism;
the step 2 comprises the following steps:
step 2.1, pushing the casting blank (13) to a first hot conveying roller way (4) by a first steel divider (3);
2.2, the first hot conveying roller way (4) conveys the casting blank (13) to a first chain type lifting machine (11);
step 2.3, the first chain type hoister (11) lifts the casting blank (13) to a first furnace feeding roller way (12);
step 2.4, the first furnace feeding roller way (12) carries out hot conveying on the casting blank (13);
step 4 comprises the following steps:
4.1, enabling the casting blank (13) to transversely move and advance to a second hot roller conveying table (8) by the blank conveying vehicle mechanism of the transverse moving and overturning bed (7);
4.2, the second hot roller conveying table (8) conveys the casting blank (13) to a second chain type lifting machine (9);
4.3, lifting the casting blank (13) to a second furnace feeding roller way (10) by a second chain type lifting machine (9);
and 4.4, carrying out hot conveying on the casting blank (13) by the second furnace feeding roller way (10).
8. A single-line hot delivery method of a casting blank, which is characterized by using the casting blank conveying system of claim 1, and comprises the following steps:
step 1, lifting a casting blank (13) on a steel lifting machine (5);
step 2, the transverse steel moving machine (2) pushes the casting blank (13) on the steel lifting machine (5) to the first steel dividing machine (3);
step 3, lifting the casting blank (13) on a steel lifting machine (5);
step 4, the transverse steel moving machine (2) pushes the casting blank (13) on the steel lifting machine (5) to the transverse moving and overturning bed (7), and the transverse moving and overturning bed (7) enables the casting blank (13) to overturn and advance;
and 5, the casting blank (13) on the transverse moving and overturning bed (7) is off-line through a crown block.
9. The strand single-line hot delivery method of claim 8, wherein the strand delivery system further comprises a first chain elevator (11) and a first charging table (12); the transverse moving and overturning bed (7) comprises a stepping overturning cooling bed (701) and a billet conveying vehicle mechanism;
the step 2 comprises the following steps:
step 2.1, pushing the casting blank (13) to a first hot conveying roller way (4) by a first steel divider (3);
2.2, the first hot conveying roller way (4) conveys the casting blank (13) to a first chain type lifting machine (11);
step 2.3, the first chain type hoister (11) lifts the casting blank (13) to a first furnace feeding roller way (12);
step 2.4, the first furnace feeding roller way (12) carries out hot conveying on the casting blank (13);
step 4 comprises the following steps:
step 4.1, pushing the casting blank (13) to the inlet end of the transverse and turnover bed (7) by the transverse steel moving machine (2);
and 4.2, turning the casting blank (13) to the outlet end of the transverse moving and turning bed (7) by the stepping turning cooling bed (701) of the transverse moving and turning bed (7).
10. A casting blank cooling method using the casting blank conveyance system according to claim 1, comprising:
step 1, lifting a casting blank (13) on a steel lifting machine (5);
step 2, the transverse steel moving machine (2) pushes the casting blank (13) on the steel lifting machine (5) to a transverse and turnover bed (7), and the transverse and turnover bed (7) enables the casting blank (13) to turn over and advance;
and 3, the casting blank (13) on the transverse moving and overturning bed (7) is off-line through a crown block.
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