CN104289692A - Safe economical square billet caster tundish casting control device - Google Patents
Safe economical square billet caster tundish casting control device Download PDFInfo
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- CN104289692A CN104289692A CN201410527234.1A CN201410527234A CN104289692A CN 104289692 A CN104289692 A CN 104289692A CN 201410527234 A CN201410527234 A CN 201410527234A CN 104289692 A CN104289692 A CN 104289692A
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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
- B22D11/16—Controlling or regulating processes or operations
- B22D11/18—Controlling or regulating processes or operations for pouring
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Abstract
Disclosed is a safe economical square billet caster tundish casting control device. The safe economical square billet caster tundish casting control device comprises a fixed base plate; a bracket is arranged below the middle left portion of the fixed base plate; a water nozzle bearing frame is arranged between the fixed base plate and the bracket; a reversing bracket is arranged below the middle right portion of the fixed base plate; the water nozzle bearing frame is provided with a cast-on lower water nozzle, a hole burning plug plate, a casting lower water nozzle, an inner side ejector block and an outer side ejector block which are closely arranged in turn; a sand blocking plate is arranged below the cast-on lower water nozzle; the water nozzle bearing frame is provided with an opening plate, an opening plate locking groove, a locking clasp and an opening plate driving gear; an air brick is arranged inside the hole burning plug plate; a stepper cylinder is arranged on the water nozzle bearing frame; the reversing bracket is provided with a reversing plate which is provided with a reversing groove and a straight gear; the straight gear is meshed with a locking main gear; the locking main gear is meshed with a locking gear; a reversing cylinder is arranged on the reversing bracket. According to the safe economical square billet caster tundish casting control device, the remote control operation of the transposition process of the cast-on lower water nozzle, the hole burning plug plate and the casting lower water nozzle and the replacement process of the casting lower water nozzle can be implemented.
Description
Technical field
The present invention relates to metallurgy industry billet caster casting technique field, specifically a kind of continuous casting work that solves burns the casting mouth of a river, artificial swing runner operation near high-temp liquid use oxygen, the one safe economizing type square billet casting machine trough casting control device that molten steel splash is hurted sb.'s feelings and molten steel is wasted.
Background technology
Billet caster is the visual plant that iron and steel metallurgy enterprise produces semi-finished product (strand).It is below tundish, be provided with multiple molten steel trickling mouth, be commonly called as: tundish upper nozzle, below each tundish upper nozzle, a corresponding crystallizer, is provided with dummy bar and dummy bar head in crystallizer, and there is the equipment such as cooling, straightening, roller-way and cutting matched below.Before preparing production, below tundish upper nozzle, fill in blocking and poured into by top and draw steel drift sand.At the casting initial stage, when the molten steel in ladle pour into tundish a certain amount of after, start to pull up blocking respectively, the trickling of drainage sand guides molten steel to flow in crystallizer from tundish upper nozzle, and this process is commonly called as: centre is unwrapped and watered.Under normal circumstances, after centre is unwrapped and watered, short-term operation several times must be needed to stop the process that flows into crystallizer of molten steel, carried out the process of setting of molten steel in crystallizer and dummy bar head, this operating process is commonly called as flow control.Subsequently, the matching process of shake frequency, the straightening speed of molten steel flow speed and crystallizer is adjusted.Now, molten steel continuous print flows in crystallizer, is shaping strand, is called as: billet continuous casting draws steel production process through continuous print cooled and solidified.The process of setting of initial stage molten steel in mold and dummy bar head of not only casting needs to adopt flow control, and runs in direct casting process: in tundish, on the low side, the molten steel of liquid steel temperature glues or the miscellaneous equipment of crystallizer and below occurs that the situation such as abnormal needs also need flow control when temporarily stopping is cast.Current known square billet casting machine trough casting technology mainly contains two kinds by flow control mode:
One is: naturally trickle, chute alters course, replace fast and plugging type, it be have additional below tundish upper nozzle open water with under the mouth of a river to be placed on unidirectional quick-changing mechanism and to be furnished with the high-voltage oil cylinder can hanging position, between tundish lower nozzle and crystallizer, be provided with microscler chute, below chute end, be provided with microscler steel scrap bucket.When flow control, molten steel enters crystallizer and flows to the flow control mode of steel scrap bucket to adopt manpower swing runner to stop.When flow control meets normal casting condition, then adopt and manually unidirectional quick-changing mechanism is put at the casting mouth of a river, more hand-held oil cylinder is hung position and started oil cylinder and the maintenance to tundish upper nozzle of top, the casting mouth of a river to be trickled the mode of molten steel.Cannot flow control time, adopting and manually closure plate put into unidirectional quick-changing mechanism, blocking trickling molten steel with starting oil cylinder behind hand-held high-voltage oil cylinder extension position by below closure plate top to tundish upper nozzle.When need recover casting, then adopt manually will out and water the mouth of a river and put into unidirectional quick-changing mechanism, use the same method and water top, the mouth of a river to tundish upper nozzle by opening, and coordinate and manually use burning oxygen pipe to be burnt by the molten steel of condensation in tundish upper nozzle to make it trickle.
there is following defect in this kind of mode: artificial repeatedly mounts that oil cylinder labour intensity is comparatively large, artificial repeatedly to be put the splash of chute molten steel and easily to hurt sb.'s feelings and molten steel waste, artificial use burn that oxygen pipe has tempering burn hazards, personnel jeopardize health near high-temperature operation.
Another kind is: stopper rod flow control mode, and it is provided with to control the stopper rod of resistance to material short distance lifting structure in tundish, carrys out plugging tundish nozzle.Carried by stopper rod, the whole stopper rod head of falling tone and tundish upper nozzle gap carry out flow control.This kind of mode, although flow control is more stable and save molten steel, but also there is following defect: one is, flow control is improper causes stopper rod head to bond cold steel and not trickling, the artificial oxygen hose that uses now must be coordinated by the process inserted the cold steel of boiled bonding below tundish upper nozzle and make it trickle, be commonly called as: burn eye.Add the frequency and unsafe link of burning eye, and burn the service life that the eye frequency reduces stopper rod and middle water containing opening more.Two are, the proportion because of the stopper rod of resistance to material is less than molten steel and there is drift bar hidden danger out of control, and resistance to material on stopper rod comes off by the erosion of washing away of flowing molten steel, not easily float and enter in steel and add being mingled with in steel, having a strong impact on the quality of steel.No matter be which kind of flow control mode, present square billet trough casting technique all also exists the defect cannot avoiding manually burning eye.
Summary of the invention
In order to the labour intensity solving existing traditional square billet casting machine trough casting technique existence is large, produce molten steel splash, waste the technological deficiency that molten steel, personnel are dangerous near high temperature and stopper rod floats bar, resistance to material affects steel quality, and avoid manually burning eye, the invention provides safe economizing type square billet casting machine trough casting control device.
the present invention solves the technical scheme that its technical problem takes:it comprises fixed base plate, and fixed base plate is fixed on tundish housing by base plate set bolt I, base plate set bolt II, base plate set bolt III, base plate set bolt IV, base plate set bolt V, base plate set bolt VI, base plate set bolt VII, base plate set bolt VIII; The middle left part of fixed base plate has side to protrude arcwall face and arcwall face is protruded in another side, side is protruded arcwall face and is provided with: internal thread I fixed by bracket, internal thread II fixed by bracket, internal thread III fixed by bracket, and another side is protruded arcwall face and is provided with: internal thread IV fixed by bracket, internal thread V fixed by bracket, internal thread VI fixed by bracket; The middle left part of fixed base plate plane is provided with: gas spring top locating slot I, gas spring top locating slot II, gas spring top locating slot III, gas spring top locating slot IV, gas spring top locating slot V, gas spring top locating slot VI; The right part of fixed base plate plane is provided with: internal thread I fixed by commutation bracket, internal thread II fixed by commutation bracket, internal thread III fixed by commutation bracket, internal thread IV fixed by commutation bracket, internal thread V fixed by commutation bracket;
Be provided with bracket below the middle left part of fixed base plate and be provided with mouth of a river carrier between fixed base plate and bracket, the right side of bracket is also provided with commutation bracket; Bracket is respectively by bracket set bolt I, bracket set bolt II, bracket set bolt III, bracket set bolt IV, bracket set bolt V, bracket set bolt VI, fix internal thread I with bracket respectively, internal thread II fixed by bracket, internal thread III fixed by bracket, internal thread IV fixed by bracket, internal thread V fixed by bracket, bracket fix internal thread VI match by bracket and fixed base plate fastening;
Bracket is also provided with locating slot I and gas spring I bottom gas spring, locating slot II and gas spring II bottom gas spring, locating slot III and gas spring III bottom gas spring, locating slot IV and gas spring IV bottom gas spring, locating slot V and gas spring V bottom gas spring, locating slot VI and gas spring VI bottom gas spring, and respectively with gas spring top end locating slot I, gas spring top locating slot II, gas spring top locating slot III, gas spring top locating slot IV, gas spring top locating slot V, gas spring top locating slot VI match realize bracket and fixed base plate fastening time regulatory function,
it is characterized in that: close-packed arrays successively of turning left to the right side above the middle right-hand member of described mouth of a river carrier is provided with: open and water the lower mouth of a river, burning eye closure plate, the lower mouth of a river of casting, inner side jacking block, outside jacking block, open the below of watering the lower mouth of a river and sandboard is installed, on the left of sandboard, be provided with sandboard breach;
describedthe right-hand member frame side of mouth of a river carrier is provided with open plate, and the left end of open plate is provided with open plate lock slots and tight locking button, right-hand member are provided with open plate driven wheel;
describedthe inside of burning eye closure plate is provided with metal-back, gas collection storehouse, oxygen supply interface, air brick; Side, carrier left part is provided with oxygen connection, and oxygen connection connects the oxygen supplying tube in carrier side, the mouth of a river, and the other end of oxygen supplying tube inserts oxygen supply interface;
describedthe Left-side center of mouth of a river carrier is successively by the cylinder rod of frame tie point of advancing, connecting bolt I, Connection Card connection stepping cylinder;
describedcommutation bracket be provided with commutation bracket set bolt I, commutation bracket set bolt II, commutation bracket set bolt III, commutation bracket set bolt IV, commutation bracket set bolt V and respectively with commutation internal thread I fixed by bracket, internal thread II fixed by the bracket that commutates, internal thread III fixed by the bracket that commutates, internal thread IV fixed by the bracket that commutates, the bracket that commutates fix internal thread V coordinate will commutate bracket and fixed base plate fastening;
describedbe inserted with reversing plate below the centre of commutation bracket, the centre of reversing plate is provided with transposition groove, and the right-hand member of reversing plate is provided with craspedodrome tooth, and the right side facade of commutation bracket is provided with the locking master gear and locking gear that are meshed, and craspedodrome tooth engages with locking master gear; The middle part, one end of commutation bracket is connected with reversing cylinder;
describedoperating selection switch make oxygen switch coil, one-level stepping coil simultaneously electric, when stepping cylinder realizes one-level stepping, burning eye closure plate on the carrier of the mouth of a river can be shifted onto the position of filling pipe end, air brick and filling pipe end tapping hole to align, oxygen valve is opened simultaneously, and oxygen can blow in filling pipe end tapping hole by oxygen connection, oxygen supplying tube, oxygen supply interface, gas collection storehouse, air brick; Operating selection switch disconnect make oxygen switch coil, one-level stepping coil simultaneously dead electricity make stepping cylinder realize one-level to return, burning eye closure plate on the carrier of the mouth of a river is retracted original position, oxygen is closed, open simultaneously and water the lower mouth of a river and reset to make to open and water tapping hole and filling pipe end tapping hole aligns;
describedoperating selection switch makes secondary stepping coil obtain electric, when stepping cylinder realizes secondary stepping, the mouth of a river under casting on the carrier of the mouth of a river can be shifted onto the position of filling pipe end, lower mouth of a river tapping hole and filling pipe end tapping hole to align, hold and water the lower mouth of a river and be pushed in transposition groove, open plate gear just in time also closely engages with locking gear;
describedconsole switch closes, commutating coil obtains electric when reversing cylinder is pushed ahead, reversing plate can be promoted advance, and the craspedodrome tooth on reversing plate can drive locking master gear to rotate clockwise and drive locking gear counterclockwise to rotate and make open plate gear rotate clockwise, opened by up time direction by reversing plate, reversing plate can water holding the position that the lower mouth of a river is pushed into replacement port;
describedconsole switch disconnects, when commutating coil dead electricity makes reversing cylinder return, reversing plate can be retracted, and the craspedodrome tooth on reversing plate can drive locking master gear counterclockwise to rotate and drive locking gear to rotate clockwise and make open plate gear counterclockwise rotate, by reversing plate by counterclockwise closing, and pinned by open plate lock slots and tight locking button.
the invention has the beneficial effects as follows:reasonable in design, the artificial swing runner mode that billet continuous casting draws steel production technology flow control process can be substituted completely, eye pattern is burnt with cancellation is artificial, both the labour intensity that traditional billet continuous casting draws steel technique to exist had been solved large, high-temperature baking, burn and jeopardize the safety problem of operating personnel, meanwhile, working space and operating condition can be improved, save molten steel, be to realize, realize the preferred equipment of essenceization safety.
accompanying drawing illustrates:
Describe the present invention below in conjunction with drawings and Examples:
Fig. 1 is schematic front view of the present invention;
Fig. 2 is fixed base plate elevational schematic view of the present invention;
Fig. 3 is that master of the present invention cuts open schematic diagram depending on office;
Fig. 4 is that carriage member of the present invention coordinates top view;
Fig. 5 is partial schematic diagram of the present invention;
Fig. 6 is that schematic diagram is cutd open depending on office in the right side of the present invention;
Fig. 7 is the control circui schematic diagram of invention.
In Fig. 1: 1. fixed base plate, 2. base plate set bolt I, 3. tundish housing, 4. base plate set bolt II, 5. fixed base plate plane, 6. arcwall face is protruded in side, 7. base plate set bolt III, 8. jacking block inside, 9. jacking block outside, 10. mouth of a river carrier, 11. advance frame tie point, 12. connecting bolts I, 13. Connection Cards, 14. cylinder rods, 15. stepping cylinders, pore on the right side of 16. cylinders, 17. cylinder middle section pores, 18. cylinder left part pores, 19. left part high-pressure hoses, high-pressure hose in the middle part of in the of 20., 21. right part high-pressure hoses, 22. oxygen connections, 23. gas springs III, 24. brackets, 25. bracket set bolts I, the lower mouth of a river of 26. casting, 27. burn eye closure plate, 28. bracket set bolts II, 29. gas springs II, 30. open and water the lower mouth of a river, 31. sandboards, 32. gas springs I, 33. bracket set bolts III, 34. commutation bracket set bolts I, 35. commutation brackets, 36. connecting bolts II, 37. reversing plates, 38. commutation bracket set bolts II.
In Fig. 2: internal thread II fixed by 39. commutation brackets, internal thread I fixed by 40. commutation brackets, internal thread III fixed by 41. brackets, 42. gas spring top locating slots I, 43. gas spring top locating slots II, internal thread II fixed by 44. brackets, 45. gas spring top locating slots III, internal thread I fixed by 46. brackets, arcwall face is protruded in 47. another sides, internal thread IV fixed by 48. brackets, 49. gas spring top locating slots IV, 50. base plate set bolts IV, internal thread V fixed by 51. brackets, 52. gas spring top locating slots V, 53. gas spring top locating slots VI, 54. base plate set bolts V, 55. base plate set bolts VI, internal thread V fixed by 56. commutation brackets, internal thread VI fixed by 57. brackets, internal thread IV fixed by 58. commutation brackets, 59. base plate set bolts VII, internal thread III fixed by 60. commutation brackets, 61. base plate set bolts VIII,
In Fig. 3: 62. resistance to sheet material layers, 63. filling pipe end tapping holes, 64. filling pipe ends, 65. oxygen supplying tubes, 66. times mouth of a river tapping holes, 67. air brick metal-backs, 68. gas collection storehouses, 69. oxygen supply interfaces, 70. air bricks, 71. sandboard breach, 72. open and water tapping hole, 73. slag trap hanging scrolls, 74. sandboards, 75. craspedodrome teeth, 76. locking gears, 77. locking master gears.
In Fig. 4: 78. commutation bracket set bolts IV, 79. commutation bracket set bolts V, 80. replacement ports, 81. bracket set bolts VI, 82. gas springs VI, locating slot VI bottom 83. gas springs, locating slot V bottom 84. gas springs, 85. gas springs V, 86. open plate, 87. open plate lock slots, 88. bracket set bolts V, 89. tight locking buttons, 90. gas springs IV, locating slot IV bottom 91. gas springs, 92. bracket set bolts IV, locating slot III bottom 93. gas springs, locating slot II bottom 94. gas springs, locating slot I bottom 95. gas springs, 96. reversing cylinders, 97. transposition grooves, 98. open plate driven wheels, 99. commutation bracket set bolts III.
In Fig. 7: 100. selector switches, 101. oxygen switch coils, 102. one-level step motion control coils, 103. secondary step motion control coils, 104. commutating coils, 105. switches.
Detailed description of the invention
As shown in Fig. 1,2,3,4,5,6,7, it comprises fixed base plate (1), and fixed base plate (1) is fixed on tundish housing (3) by base plate set bolt I (2), base plate set bolt II (4), base plate set bolt III (7), base plate set bolt IV (50), base plate set bolt V (54), base plate set bolt VI (55), base plate set bolt VII (59), base plate set bolt VIII (61); The middle left part of fixed base plate (1) has side to protrude arcwall face (6) and arcwall face (47) is protruded in another side, side is protruded arcwall face (6) and is provided with that internal thread I (46) fixed by bracket, internal thread II (44) fixed by bracket, internal thread III (41) fixed by bracket, and another side is protruded arcwall face (47) and is provided with that internal thread IV (48) fixed by bracket, internal thread V (51) fixed by bracket, internal thread VI (57) fixed by bracket; The middle left part of the fixed base plate plane (5) of fixed base plate (1) is provided with: gas spring top locating slot I (45), gas spring top locating slot II (43), gas spring top locating slot III (42), gas spring top locating slot IV (49), gas spring top locating slot V (52), gas spring top locating slot VI (53); The right part of fixed base plate plane (5) is provided with: internal thread I (40) fixed by commutation bracket, internal thread II (39) fixed by commutation bracket, internal thread III (60) fixed by commutation bracket, internal thread IV (58) fixed by commutation bracket, internal thread V (56) fixed by commutation bracket;
Be provided with bracket (24) below the middle left part of fixed base plate (1) and be provided with mouth of a river carrier (10) between fixed base plate (1) and bracket (24), the right side of bracket (24) is also provided with commutation bracket (35);
Bracket (24) is respectively by bracket set bolt I (25), bracket set bolt II (28), bracket set bolt III (33), bracket set bolt IV (92), bracket set bolt V (88), bracket set bolt VI (81), fixes internal thread I (46) respectively, internal thread II (44) fixed by bracket, internal thread III (41) fixed by bracket, internal thread IV (48) fixed by bracket, internal thread V (51) fixed by bracket, bracket fixes internal thread VI (57) and match bracket (24) and fixed base plate (1) is fastening with bracket, bracket (24) is also provided with locating slot I (95) and gas spring I (32) bottom gas spring, locating slot II (94) and gas spring II (29) bottom gas spring, locating slot III (93) and gas spring III (23) bottom gas spring, locating slot IV (91) and gas spring IV (90) bottom gas spring, locating slot V (84) and gas spring V (85) bottom gas spring, locating slot VI (83) and gas spring VI (82) bottom gas spring, and respectively with gas spring top end locating slot I (42), gas spring top locating slot II (43), gas spring top locating slot III (45), gas spring top locating slot IV (49), gas spring top locating slot V (52), gas spring top locating slot VI (53) match realize bracket (24) and fixed base plate (1) fastening time regulatory function,
Close-packed arrays successively of turning left to the right side above the middle right-hand member of mouth of a river carrier (10) is provided with: open and water the lower mouth of a river (30), burning eye closure plate (27), the lower mouth of a river (26) of casting, inner side jacking block (8), outside jacking block (9), open the below of watering the lower mouth of a river (30) and be provided with sandboard (31), sandboard (31) left side is provided with sandboard breach (71), the right-hand member frame side of mouth of a river carrier (10) is provided with open plate (86), and the left end of open plate (86) is provided with open plate lock slots (87) and tight locking button (89), right-hand member are provided with open plate driven wheel (98), the inside of burning eye closure plate (27) is provided with metal-back (67), gas collection storehouse (68), oxygen supply interface (69), air brick (70), carrier (10) side, left part is provided with oxygen connection (22), and oxygen connection (22) connects the oxygen supplying tube (65) in carrier (10) side, the mouth of a river, and the other end of oxygen supplying tube (65) inserts oxygen supply interface (69), the Left-side center of mouth of a river carrier (10) is successively by the cylinder rod (14) of frame tie point (11) of advancing, connecting bolt I (12), Connection Card (13) connection stepping cylinder (15), commutation bracket (35) is provided with commutation bracket set bolt I (34), commutation bracket set bolt II (38), commutation bracket set bolt III (99), commutation bracket set bolt IV (78), commutation bracket set bolt V (79) also fixes internal thread I (40) with commutation bracket respectively, internal thread II (39) fixed by commutation bracket, internal thread III (60) fixed by commutation bracket, internal thread IV (58) fixed by commutation bracket, commutation bracket is fixed internal thread V (56) and is coordinated the bracket (35) that will commutate fastening with fixed base plate (1), be inserted with reversing plate (37) below the centre of commutation bracket (35), the centre of reversing plate (37) is provided with transposition groove (97), and the right-hand member of reversing plate (37) is provided with craspedodrome tooth (75), the right side facade of commutation bracket (35) is provided with the locking master gear (77) and locking gear (76) that are meshed, craspedodrome tooth (75) engages with locking master gear (77), the middle part, one end of commutation bracket (35) is connected with reversing cylinder (96),
Operating selection switch (100) make oxygen switch coil (101), one-level stepping coil (102) simultaneously electric, when stepping cylinder (15) realizes one-level stepping, position, the air brick (70) that burning eye closure plate (27) on mouth of a river carrier (10) can be shifted onto filling pipe end (64) align with filling pipe end tapping hole (63), simultaneously oxygen valve is opened, and oxygen can pass through oxygen connection (22), oxygen supplying tube (65), oxygen supply interface (69), gas collection storehouse (68), air brick (70) blow in filling pipe end tapping hole (63); Operating selection switch (100) disconnect make oxygen switch coil (101), one-level stepping coil (102) simultaneously dead electricity make stepping cylinder (15) realize one-level to return, burning eye closure plate (27) on mouth of a river carrier (10) is retracted original position, oxygen is closed, open simultaneously and water the lower mouth of a river (30) and reset to make to open and water tapping hole (72) and filling pipe end tapping hole (63) and align;
It is electric that operating selection switch (100) makes secondary stepping coil (103) obtain, when stepping cylinder (15) realizes secondary stepping, the mouth of a river (26) under casting on mouth of a river carrier (10) can be shifted onto the position of filling pipe end (64), lower mouth of a river tapping hole (66) and filling pipe end tapping hole (63) to align, hold and water the lower mouth of a river (30) and be pushed into and replace in groove (97), open plate gear (98) just in time also closely engages with locking gear (76);
Console switch (105) closes, when commutating coil (104) must electricly make reversing cylinder (96) push ahead, reversing plate (37) can be promoted advance, and the craspedodrome tooth (75) on reversing plate (37) can drive locking master gear (77) to rotate clockwise and drive locking gear (76) counterclockwise to rotate and make open plate gear (98) rotate clockwise, opened by up time direction by reversing plate (86), reversing plate (37) can water holding the position that the lower mouth of a river (30) is pushed into replacement port (80);
Console switch (105) disconnects, when commutating coil (104) dead electricity makes reversing cylinder (96) return, reversing plate (37) can be retracted, and the craspedodrome tooth (75) on reversing plate (37) can drive locking master gear (77) counterclockwise to rotate and drive locking gear (76) to rotate clockwise and make open plate gear (98) counterclockwise rotate, by reversing plate (86) by counterclockwise closing, and pinned by open plate lock slots (87) and tight locking button (89).
the course of work:
1, the initial stage prepares
(1) cast is installed
This is installed successively open and water the lower mouth of a river (30), burning eye closure plate (27), the lower mouth of a river (26) of casting, inner side jacking block (8), outside jacking block (9), and after checking that oxygen supply interface (69) grafting is closely knit, being pushed by mouth of a river carrier (10) and confirming to open waters after tapping hole (72) and filling pipe end tapping hole (63) align, and under casting, sandboard (31) installs by below, the mouth of a river (26);
(2) compression is coordinated to be connected with driving
A. bracket set bolt II (28) is checked, bracket set bolt III (33), bracket set bolt V (88), bracket set bolt VI (81), fastening bracket (24) makes gas spring II (29), gas spring I (32), gas spring V (85), gas spring VI (82) is stressed, guarantee to open and water the lower mouth of a river (30) upper surface and filling pipe end (64) lower surface and closely cooperate and avoided gap to alter steel, simultaneously, bracket set bolt I (25), bracket set bolt IV (92), make gas spring III (23), gas spring IV (90) uniform force, meet when stepping cylinder (15) works, mouth of a river carrier (10) can appropriateness enter, move back.
B. frame tie point (11) of advancing, connecting bolt I (12), Connection Card (13) are connected the cylinder rod (14) of stepping cylinder (15) and install stepping cylinder (15);
(3) exchange system connects
A. by commutation bracket set bolt I (34), commutation bracket set bolt II (38), commutation bracket set bolt III (99), commutation bracket set bolt IV (78), commutation bracket set bolt V (79) fixes internal thread I (40) with commutation bracket respectively, internal thread II (39) fixed by commutation bracket, internal thread III (60) fixed by commutation bracket, internal thread IV (58) fixed by commutation bracket, commutation bracket is fixed internal thread V (56) and is coordinated the bracket (35) that will commutate fastening good with fixed base plate (1),
B. reversing plate (37) inserts below the centre of commutation bracket (35), and the craspedodrome tooth (75) of the right-hand member of reversing plate (37) is effectively engaged with locking master gear (77);
(4) drive system connects
A. external pressure >=0.6Mpa nitrogen (or compressed air) source of the gas, configuration cylinder control output connect left part high-pressure hose (19), middle part high-pressure hose (20), right part high-pressure hose (21), and respectively with cylinder left part pore (18), cylinder middle section pore (17), cylinder on the right side of pore (16) connect; Connect reversing cylinder (96) simultaneously.
(3) external pressure >=0.5Mpa source of oxygen, configures the output that automatic oxygen supply controls system, connects with high-pressure hose and oxygen connection (22) and connect control circuit;
2, system debug
(1) chain with align debugging
A. operate stepping cylinder (15) one-level stepping the burning eye closure plate (27) on mouth of a river carrier (10) to be shifted onto with the position of filling pipe end (64), air brick (70) and filling pipe end tapping hole (63) timing, simultaneously oxygen is opened automatically, observes and confirms (22), oxygen supply interface (69) place's No leakage blow in filling pipe end tapping hole (63) by air brick (70);
B. operate stepping cylinder (15) realize one-level return the burning eye closure plate (27) on mouth of a river carrier (10) is retracted original position time, oxygen is closed automatically, opens to water the lower mouth of a river (30) and reset to make to open and water tapping hole (72) and filling pipe end tapping hole (63) and align simultaneously;
(2) gears meshing debugging
Operation stepping cylinder (15) is when realizing secondary stepping, the mouth of a river (26) under casting on mouth of a river carrier (10) can be shifted onto the position of filling pipe end (64), lower mouth of a river tapping hole (66) and filling pipe end tapping hole (63) to align, and open and water that the lower mouth of a river (30) is pushed in transposition groove (97), open plate gear (98) just in time also effectively engages with locking gear (76);
(3) commutation and lock function are debugged
A. debug successfully at gears meshing, when operation reversing cylinder (96) is pushed ahead, reversing plate (37) can be promoted advance, and the craspedodrome tooth (75) on reversing plate (37) can drive locking master gear (77) to rotate clockwise and drive locking gear (76) counterclockwise to rotate and make open plate gear (98) rotate clockwise, opened in the direction of the clock by reversing plate (86), reversing plate (37) can water holding the position that the lower mouth of a river (30) is pushed into replacement port (80);
B. when operating reversing cylinder (96) and returning, reversing plate (37) can be retracted, and the craspedodrome tooth (75) on reversing plate (37) can drive locking master gear (77) counterclockwise to rotate and drive locking gear (76) to rotate clockwise and make open plate gear (98) counterclockwise rotate, by reversing plate (86) by counterclockwise closing, and pinned by open plate lock slots (87) and tight locking button (89);
3, pouring operation
(1) prepare before casting
To open water tapping hole (72) below block blocking and enter drainage sand by filling pipe end tapping hole (63) tank.
(2) process of watering is opened
After tundish fills a certain amount of molten steel, by the sandboard breach (71) in sandboard (31) left side the blocking in filling pipe end tapping hole (63) extracted to open and water.Now, can flow to outside crystallizer mouth along sandboard (31) when drainage sand flows down, when drainage sand guides molten steel to flow out, the sandboard of thin aluminum top (31) melting welding can make steel flow to crystallizer by high-temperature molten steel.
(4) joint solidifies the real process of casting
When the trickling of observation molten steel is normal, operation stepping cylinder (15) one-level stepping, shift onto realize stopping in short-term casting with the position of filling pipe end (64) by burning eye closure plate (27), simultaneously demand system chain automatically open oxygen and blow to maintenance filling pipe end tapping hole (63) molten steel filling pipe end tapping hole (63) in through air brick (70) do not solidify; Operate stepping cylinder (15) again to realize one-level and return and burning eye closure plate (27) retracted original position, the chain automatic closedown oxygen of demand system, open and water the lower mouth of a river (30) and reset to make to open and water tapping hole (72) and align with filling pipe end tapping hole (63), molten steel flows to again in crystallizer, so, repeatedly operate three to four times, complete molten steel and cast real process with solidifying of dummy bar head in crystallizer;
(5) normal casting cycle
When the trickling of observation molten steel is normal, make rapidly stepping cylinder (15) realize secondary stepping the mouth of a river (26) under the casting on mouth of a river carrier (10) are shifted onto the position of filling pipe end (64), lower mouth of a river tapping hole (66) and filling pipe end tapping hole (63) to align, molten steel normally can flow into crystallizer by lower mouth of a river tapping hole (66).Now need can to mount protective casing during protective casting normally to cast.
(6)
lower mouth of a river interchange process
a. the lower mouth of a river of casting is replaced and is opened journey of making a slip of the tongue of watering
For keeping direct casting, water the lower mouth of a river (30) when normal casting cycle be pushed in transposition groove (97) owing to opening, open plate gear (98) just in time also closely engages with locking gear (76).Now, reversing cylinder (96) can be operated and push ahead promotion reversing plate (37) advance, craspedodrome tooth (75) on reversing plate (37) can drive locking master gear (77) to rotate clockwise and drive locking gear (76) counterclockwise to rotate and open plate gear (98) is rotated clockwise, opened by up time direction by reversing plate (86), reversing plate (37) can water holding the position that the lower mouth of a river (30) is pushed into replacement port (80).Manually by replacement port (80), old opening is watered the lower mouth of a river (30) and taken out and change new casting and descend the mouth of a river (26).Operate reversing cylinder (96) again to return reversing plate (37) is retracted, and the craspedodrome tooth (75) on reversing plate (37) can drive locking master gear (77) counterclockwise to rotate and drive locking gear (76) to rotate clockwise and make open plate gear (98) counterclockwise rotate, by reversing plate (86) by counterclockwise closing, and by open plate lock slots (87) and tight locking button (89), the mouth of a river (26) under casting is effectively pinned, guarantee the smooth and easy of stepping cylinder (15) traffic direction.Before the wait casting lower mouth of a river (26) life-span expires, operation stepping cylinder (15) secondary returns and the mouth of a river of newly casting (26) is pulled to rapidly casting position maintenance uninterruptedly casting.
B. newly cast the mouth of a river replace the life-span expire casting the mouth of a river process
?after enforcement a process, successively outside jacking block (9), inner side jacking block (8), the lower mouth of a river (26) of casting are taken off, and the lower mouth of a river (26) of new casting is installed and successively by inner side jacking block (8) outside jacking block (9), under new casting, the mouth of a river (26) are in place, wait for casting under before the mouth of a river (26) life-span expires, operation stepping cylinder (15) the secondary stepping mouth of a river (26) of newly casting rapidly is pushed into casting position and keeps uninterrupted casting.
Claims (1)
1. it comprises: fixed base plate (1), and fixed base plate (1) is fixed on tundish housing (3) by base plate set bolt I (2), base plate set bolt II (4), base plate set bolt III (7), base plate set bolt IV (50), base plate set bolt V (54), base plate set bolt VI (55), base plate set bolt VII (59), base plate set bolt VIII (61), the middle left part of fixed base plate (1) has side to protrude arcwall face (6) and arcwall face (47) is protruded in another side, side is protruded arcwall face (6) and is provided with that internal thread I (46) fixed by bracket, internal thread II (44) fixed by bracket, internal thread III (41) fixed by bracket, and another side is protruded arcwall face (47) and is provided with that internal thread IV (48) fixed by bracket, internal thread V (51) fixed by bracket, internal thread VI (57) fixed by bracket, the middle left part of the fixed base plate plane (5) of fixed base plate (1) is provided with: gas spring top locating slot I (45), gas spring top locating slot II (43), gas spring top locating slot III (42), gas spring top locating slot IV (49), gas spring top locating slot V (52), gas spring top locating slot VI (53), the right part of fixed base plate plane (5) is provided with: internal thread I (40) fixed by commutation bracket, internal thread II (39) fixed by commutation bracket, internal thread III (60) fixed by commutation bracket, internal thread IV (58) fixed by commutation bracket, internal thread V (56) fixed by commutation bracket, be provided with bracket (24) below the middle left part of fixed base plate (1) and be provided with mouth of a river carrier (10) between fixed base plate (1) and bracket (24), the right side of bracket (24) is also provided with commutation bracket (35), bracket (24) is respectively by bracket set bolt I (25), bracket set bolt II (28), bracket set bolt III (33), bracket set bolt IV (92), bracket set bolt V (88), bracket set bolt VI (81), fixes internal thread I (46) respectively, internal thread II (44) fixed by bracket, internal thread III (41) fixed by bracket, internal thread IV (48) fixed by bracket, internal thread V (51) fixed by bracket, bracket fixes internal thread VI (57) and match bracket (24) and fixed base plate (1) is fastening with bracket, bracket (24) is also provided with locating slot I (95) and gas spring I (32) bottom gas spring, locating slot II (94) and gas spring II (29) bottom gas spring, locating slot III (93) and gas spring III (23) bottom gas spring, locating slot IV (91) and gas spring IV (90) bottom gas spring, locating slot V (84) and gas spring V (85) bottom gas spring, locating slot VI (83) and gas spring VI (82) bottom gas spring, and respectively with gas spring top end locating slot I (42), gas spring top locating slot II (43), gas spring top locating slot III (45), gas spring top locating slot IV (49), gas spring top locating slot V (52), gas spring top locating slot VI (53) match realize bracket (24) and fixed base plate (1) fastening time regulatory function,
it is characterized in that: close-packed arrays successively of turning left to the right side above the middle right-hand member of described carrier (10) is provided with: open and water the lower mouth of a river (30), burning eye closure plate (27), the lower mouth of a river (26) of casting, inner side jacking block (8), outside jacking block (9), open the below of watering the lower mouth of a river (30) and be provided with sandboard (31), sandboard (31) left side is provided with sandboard breach (71),
describedthe right-hand member frame side of mouth of a river carrier (10) is provided with open plate (86), and the left end of open plate (86) is provided with open plate lock slots (87) and tight locking button (89), right-hand member are provided with open plate driven wheel (98),
describedthe inside of burning eye closure plate (27) is provided with metal-back (67), gas collection storehouse (68), oxygen supply interface (69), air brick (70), carrier (10) side, left part is provided with oxygen connection (22), and oxygen connection (22) connects the oxygen supplying tube (65) in carrier (10) side, the mouth of a river, and the other end of oxygen supplying tube (65) inserts oxygen supply interface (69),
describedthe Left-side center of mouth of a river carrier (10) is successively by the cylinder rod (14) of frame tie point (11) of advancing, connecting bolt I (12), Connection Card (13) connection stepping cylinder (15),
describedcommutation bracket (35) is provided with commutation bracket set bolt I (34), commutation bracket set bolt II (38), commutation bracket set bolt III (99), commutation bracket set bolt IV (78), commutation bracket set bolt V (79) also fixes internal thread I (40) with commutation bracket respectively, internal thread II (39) fixed by commutation bracket, internal thread III (60) fixed by commutation bracket, internal thread IV (58) fixed by commutation bracket, commutation bracket is fixed internal thread V (56) and is coordinated the bracket (35) that will commutate fastening with fixed base plate (1),
describedbe inserted with reversing plate (37) below the centre of commutation bracket (35), the centre of reversing plate (37) is provided with transposition groove (97), and the right-hand member of reversing plate (37) is provided with craspedodrome tooth (75), the right side facade of commutation bracket (35) is provided with the locking master gear (77) and locking gear (76) that are meshed, craspedodrome tooth (75) engages with locking master gear (77), the middle part, one end of commutation bracket (35) is connected with reversing cylinder (96),
describedoperating selection switch (100) make oxygen switch coil (101), one-level stepping coil (102) simultaneously electric, when stepping cylinder (15) realizes one-level stepping, position, the air brick (70) that burning eye closure plate (27) on mouth of a river carrier (10) can be shifted onto filling pipe end (64) align with filling pipe end tapping hole (63), simultaneously oxygen valve is opened, and oxygen can pass through oxygen connection (22), oxygen supplying tube (65), oxygen supply interface (69), gas collection storehouse (68), air brick (70) blow in filling pipe end tapping hole (63); Operating selection switch (100) disconnect make oxygen switch coil (101), one-level stepping coil (102) simultaneously dead electricity make stepping cylinder (15) realize one-level to return, burning eye closure plate (27) on mouth of a river carrier (10) is retracted original position, oxygen is closed, open simultaneously and water the lower mouth of a river (30) and reset to make to open and water tapping hole (72) and filling pipe end tapping hole (63) and align;
describedit is electric that operating selection switch (100) makes secondary stepping coil (103) obtain, when stepping cylinder (15) realizes secondary stepping, the mouth of a river (26) under casting on mouth of a river carrier (10) can be shifted onto the position of filling pipe end (64), lower mouth of a river tapping hole (66) and filling pipe end tapping hole (63) to align, hold and water the lower mouth of a river (30) and be pushed into and replace in groove (97), open plate gear (98) just in time also closely engages with locking gear (76);
describedwhen close switch (105) commutating coil (104) must electricly make reversing cylinder (96) push ahead, reversing plate (37) can be promoted advance, and the craspedodrome tooth (75) on reversing plate (37) can drive locking master gear (77) to rotate clockwise and drive locking gear (76) counterclockwise to rotate and make open plate gear (98) rotate clockwise, opened by up time direction by reversing plate (86), reversing plate (37) can water holding the position that the lower mouth of a river (30) is pushed into replacement port (80);
describedopen switch (105) commutating coil (104) dead electricity when reversing cylinder (96) is returned, reversing plate (37) can be retracted, and the craspedodrome tooth (75) on reversing plate (37) can drive locking master gear (77) counterclockwise to rotate and drive locking gear (76) to rotate clockwise and make open plate gear (98) counterclockwise rotate, by reversing plate (86) by counterclockwise closing, and pinned by open plate lock slots (87) and tight locking button (89).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799149A (en) * | 2022-04-19 | 2022-07-29 | 中天钢铁集团有限公司 | External ladle drainage sand device and drainage method |
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