CN104399961A - Molten steel pouring device - Google Patents
Molten steel pouring device Download PDFInfo
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- CN104399961A CN104399961A CN201410707892.9A CN201410707892A CN104399961A CN 104399961 A CN104399961 A CN 104399961A CN 201410707892 A CN201410707892 A CN 201410707892A CN 104399961 A CN104399961 A CN 104399961A
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- molten steel
- slide
- connecting rod
- argon
- ladle
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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
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
- B22D41/24—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings characterised by a rectilinearly movable plate
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- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The invention provides a molten steel pouring device. The device comprises a steel ladle, a middle ladle, a steel ladle sliding gate nozzle unit fixed at the bottom of the steel ladle and a middle ladle sliding gate nozzle unit fixed at the bottom of the middle ladle. The steel ladle sliding gate nozzle unit comprises a first sliding gate nozzle mechanism and a long gate nozzle mechanism. The middle ladle sliding gate nozzle unit comprises a second sliding gate nozzle mechanism and a drive mechanism. The long gate nozzle mechanism performs reciprocating rectilinear movement in molten steel along with a sliding frame to lead the molten steel into the middle ladle evenly, and accordingly, molten steel splattering can be prevented effectively, secondary oxidation caused by contact of the molten steel with the air is prevented, the molten steel purity is improved, and the casting quality is guaranteed; according to the second sliding gate nozzle mechanism, the molten steel flow is adjusted by adjusting the opening and closing of upper and lower slide brick nozzles, and the molten steel tapping amount is controlled, accordingly, various problems brought by the stopper type pouring control mode of the middle ladle is solved fundamentally, and the seal performance is good; the connection rod and slide movements are stable and accurate; the device is simple in structure, convenient to mount and dismount and good in pouring quality.
Description
Technical field
The present invention relates to a kind of pouring molten steel device, be specifically related to a kind of pouring molten steel device be made up of ladle, steel ladle sliding water gap unit, tundish, tundish slide gate nozzle unit, belong to pouring molten steel technique with the apparatus field.
Background technology
Day by day improve along with to the quality requirement of steel, steel plant develop various ladle refining and placingJi Shu, its objective is purify hot metal, improve the degree of purity of molten steel, pouring molten steel device realizes molten steel to be transitioned into tundish from ladle, and tundish is transitioned into the pouring molten steel apparatus of foundry goods.
Ladle sliding water gap mechanism is arranged on ladle bottom, and the molten steel control device in a heavy castings process is watered in the hydration of Shi Duo Baogang, can regulate the molten steel flow from ladle to tundish, and impels molten steel current stabilization and slag to float.
During foundry goods many ladle combined castings, ladle sliding water gap mechanism from ladle to the process of tundish beam molten steel, tapping hole and Metal in Tundish molten steel face higher, easy generation molten steel splashes and molten steel upheaval, slag and field trash are easily mixed in molten steel, pour into a mould due in the process that tundish flows at ladle molten steel, slag and field trash can flow into foundry goods with the molten steel first poured into, and make foundry goods produce the drawbacks such as defect simultaneously.
Tundish slide gate nozzle mechanism is arranged on tundish bottom, it is the control device of molten steel in foundry goods casting cycle, accurately can regulate the molten steel flow from tundish to mold and flow velocity, make molten steel inflow and outflow reach balance, for the cast under molten steel vacuum state.
Existing tundish many uses vacuum stopper bar type cast control mode, stopper core bar uses resistance to material many, installs resistance to material additional and takes time and effort, and resistance to material needs to toast together with tundish, and resistance to material breaks or stopper bends the normal cast that all can affect molten steel; Need in casting process artificial long-term to compress plug rod mechanism tommy bar, labour intensity is large, high owing to wrapping outer temperature, and time have that sparks fly off molten steel, easily scald workman.
Summary of the invention
The object of the invention is to solve the deficiencies in the prior art and a kind of pouring molten steel device is provided, realize molten steel to float from steel ladle to molten steel current stabilization the process of basket pouring and slag, and realize the vacuum pouring of Metal in Tundish, ensure that the casting quality of molten steel, and molten steel flow controls convenient, simple.
Realizing the technical scheme that the object of the invention adopts is that a kind of pouring molten steel device, at least comprises ladle, tundish, be fixed on the steel ladle sliding water gap unit that ladle bottom is communicated with ladle and tundish, with the tundish slide gate nozzle unit being fixed on tundish bottom, steel ladle sliding water gap unit comprises the first slide gate mechanism and is arranged on the long nozzle mechanism below the first slide gate mechanism, tundish slide gate nozzle unit comprises the second slide gate mechanism and driving mechanism, and described first slide gate mechanism comprises upper frame, travelling carriage, suspension bracket, filling pipe end, upper slide brick, lower slide brick, the lower mouth of a river, lower mouth of a river cover and the first Argon mechanism, the second slide gate mechanism comprises by base, framework, slide plate, splash-back, lower mouth of a river cover, the support unit that second Argon mechanism is formed, and by upper slide brick, lower slide brick, the performance element that the lower mouth of a river is formed, performance element is fixed in support unit, and driving mechanism drives performance element, and described long nozzle mechanism is by flanged long nozzle, spiral lifting dish, pallet and bracing frame are formed, the bottom that the upper end of long nozzle is set in the lower mouth of a river is communicated with the lower mouth of a river, pallet and spiral lifting dish are all set on long nozzle, bracing frame to be positioned at below suspension bracket and to be connected with suspension bracket, support frame as described above is made up of two support plates be parallel to each other, support plate is L-type, comprise level board and vertical plate, one end of vertical plate is fixed on the bottom surface of suspension bracket, one end of the other end and level board is connected, the other end of level board is provided with linear pattern chute, and the opening of two level board linear pattern chutes forms linear pattern slideway relatively, and long nozzle and pallet are all arranged in linear pattern slideway and can linearly slide by type slideway, described spiral lifting dish is cannelure, and comprise outer shroud cell wall and inner ring cell wall that bottom is connected, inner ring cell wall is against below the flange of long nozzle, described pallet is hubbed flange, and the neck of hubbed flange embeds in cannelure, and is threaded with the outer shroud cell wall of spiral lifting dish, and the neck of hubbed flange is arranged in linear pattern slideway and can linearly slides by type slideway, described driver element comprises hydraulic cylinder, connecting rod, support and the sleeve be set on connecting rod, sealing ring, gland and outer seat, outer seat is hollow tubular, outer seat is fixed in middle handbag wall, sleeve and sealing ring are all between outer seat and connecting rod, gland is threaded with the medial surface of outer seat, gland clamp sleeve and sealing ring, the front end of connecting rod is T-shaped, slide plate offers T-slot, the T-shaped front end of connecting rod snaps in T-slot and is flexibly connected with slide plate, rod rear end is provided with connector, the front end of connector is threaded with connecting rod, rear end offers bayonet socket, the head of the piston rod of hydraulic cylinder embeds in the bayonet socket of connector, one end of described support is fixed on middle handbag wall, hydraulic cylinder is fixed on support, the front end of described hydraulic cylinder is provided with flange, support is provided with draw-in groove for mounting flange and pressing plate, flange is between pressing plate and bracing frame, flange snaps in draw-in groove, described argon-blowing device comprises metal bellows, transit joint, sheath body, bag wall body and the porous plug be fixed in performance element lower slide brick argon blowing hole, bag wall body, transit joint and sheath body are all in hollow tubular, bag wall body is arranged in the below of outer seat and is fixed on middle handbag wall, argon blowing hole and bag wall body are communicated with by metal bellows, the outer surface at described wavy metal tube wall two ends is equipped with projection, the inner surface of sheath body housing is provided with groove, the projection at metal bellows two ends lays respectively in the groove of two sheath bodies, sheath body is threaded with transit joint, projection compresses and forms hermetically-sealed construction in a groove by transit joint, the other end of two transit joints is threaded with argon blowing hole and bag wall body respectively.
Described connecting rod is provided with spacer pin and anti-turn screw, anti-turn screw is fixing in the base through connecting rod, spacer pin is fixed in connecting rod through connecting rod, and spacer pin is between anti-turn screw and outer seat, and the axis of spacer pin and anti-turn screw is all perpendicular to the axis of connecting rod; The rear end of connecting rod is arranged with locking nut, and locking nut is positioned at the front of connector.
The tube wall lateral surface of described hubbed flange neck is provided with boss, and boss to embed in linear pattern chute and can linearly type slide, and the ring flange of hubbed flange is provided with Blind locating holes; The bottom surface of suspension bracket is provided with limiting plate, and the bottom surface of travelling carriage is provided with backstay, and described backstay is between the lower mouth of a river and limiting plate, and its lower end is stretched in the Blind locating holes of pallet.
The top of described hydraulic cylinder is oil pipe, and rear end is provided with hydraulic oil oil diverting port, and the axis of hydraulic cylinder piston rod and the axis of connecting rod are located along the same line; The flange of described hydraulic cylinder is square flange.
The upper surface of described slide plate is provided with annular deep gouge, and annular deep gouge is provided with sealing gasket, and sealing gasket, between slide plate and the lower slide brick of the second slide gate mechanism, is provided with the passage be communicated with argon blowing hole in sealing gasket.
Described sealing ring is V-type combined seal ring.
The interior hole end surface of transit joint is the rounding conical surface, and the both ends of the surface of metal bellows are sphere, the two ends of metal bellows and the endoporus compression fit of transit joint, and the lower end at the lower mouth of a river and the upper end of long nozzle opening are all in turbination.
Ventilative ring and argon blowing hole is provided with in the tube wall of described long nozzle upper end, one end of argon blowing hole and ventilative loop contacts, the below of travelling carriage is provided with the first Argon mechanism be made up of Argon pipe and porous plug, porous plug to be fixed in lower slide brick and relative when slide gate nozzle is closed with the opening of upper nozzle brick, described Argon pipe is provided with two, wherein the gas outlet of an Argon pipe to embed in travelling carriage and with porous plug close contact, the gas outlet of another root Argon pipe embeds in the argon blowing hole of long nozzle upper end.
The outer shroud cell wall of spiral lifting dish is arranged with four handles.
The jack for compressing upper and lower sliding plate brick is equipped with in upper frame and travelling carriage.
As shown from the above technical solution, molten steel flows in tundish by steel ladle sliding water gap unit, steel ladle sliding water gap unit is made up of the first slide gate mechanism and long nozzle mechanism, long nozzle in long nozzle mechanism directly stretches in tundish, when ladle is to basket pouring, molten steel enters tundish below the liquid steel level of tundish, make liquid steel level steady, guaranteeing that slag floats swims on liquid level, the slag content of the tapping hole place molten steel of tundish is few, prevent slag inclusion molten steel from injecting in foundry goods, produce the surface such as slag inclusion, crackle or internal flaw; Tundish slide gate nozzle unit is by the folding at the driving mechanisms control second slide gate mechanism mouth of a river, and molten steel flows in foundry goods by the mouth of a river; First slide gate mechanism is identical with the operation principle of the second slide gate mechanism, i.e. slide plate moving linearly, lower slide brick is slided, during the mouth of a river centering of upper and lower sliding plate brick, slide gate mechanism is opened completely, and molten steel flow is maximum, during the mouth of a river centering of the porous plug in lower slide brick and upper slide brick, slide gate mechanism is closed, and blowing argon gas in the mouth of a river of metal bellows or Argon pipe upwards sliding plate brick, prevents molten steel solidification.
In steel ladle sliding water gap unit, long nozzle in long nozzle mechanism is communicated with the lower mouth of a river in the first slide gate mechanism, the lower end at the lower mouth of a river and the upper end of long nozzle opening are all in turbination, facilitate the installation and removal of long nozzle, long nozzle is fixed on below long nozzle by spiral lifting dish and pallet, spiral lifting dish is threaded with pallet, pallet is fastened in bracing frame, bracing frame is fixed on suspension bracket, therefore rotate spiral lifting dish can promote or transfer long nozzle, the installation and removal of long nozzle all do not need other assistive devices, and utilize the operation principle of jack to make the lifting of long nozzle more laborsaving.
Travelling carriage is provided with backstay, backstay inserts in the Blind locating holes of pallet, guarantee that when long nozzle promotes pallet is accurately located and can move together with travelling carriage, long nozzle is enclosed within after on the lower mouth of a river, and the lower mouth of a river and backstay drive long nozzle mechanism to slide in linear pattern slideway with travelling carriage jointly; The bottom surface of suspension bracket is provided with limiting plate, and after backstay inserts the Blind locating holes of pallet, limiting plate carries out spacing to pallet, guarantees that long nozzle is positioned at immediately below the lower mouth of a river, ensures installation accuracy.
First Argon mechanism is used for blowing argon gas in slide gate mechanism and long nozzle mechanism, and argon gas is entered in filling pipe end and long nozzle respectively by porous plug and ventilative ring, realizes the protection of argon envelope, prevents molten steel condensation slagging scorification adhesion, air immerses and molten steel leaks outside.
The T-shaped front end of connecting rod snaps in the T-slot of slide plate, rear end is threaded with connector, and locked by locking nut, connecting rod and being connected firmly between slide plate and connector and easy accessibility, rod rear end is threaded with connector and makes the mounting distance of connecting rod adjustable; Sleeve, sealing ring, gland and outer seat form the sealing device of connecting rod, sleeve and connecting rod matched in clearance, play guiding and supporting role and can prevent connecting rod from pulling, sealing ring is V-type combined seal ring, seals, and gland compresses V-type combined seal ring, when after the wearing and tearing of V-type combined seal ring, tighten gland and can carry out sealing compensation, ensure sealing effectiveness, guarantee that pouring molten steel carries out under vacuum conditions; Connecting rod arranges spacer pin, plays link motion spacing, the anti-turn screw on connecting rod is stationary links behind connecting rod location, prevents link rotatable.
Hydraulic cylinder is fixed on support, the square flange of its front end plays the effect of axial limiting and radial rotation, after hydraulic cylinder works long hours, there is slight change in its position, the axis of piston rod departs from the axis of connecting rod slightly, if piston rod and connecting rod are connected, shear stress can be produced, because the piston rod of hydraulic cylinder is flexibly connected with connector, therefore the trickle change in location of hydraulic cylinder can not affect the motion of connecting rod, ensure that the motion of connecting rod and slide plate is positioned on straight line, slide plate is in best operational position all the time.
When pouring molten steel device is in closed condition, the mouth of a river centering of the porous plug in Argon mechanism and upper slide brick, ensure that argon gas blows to the molten steel in the upper slide brick mouth of a river by porous plug, promote that the flowing of molten steel is not solidified, even liquid steel temperature, remove the field trash in molten steel; Sealing gasket between slide plate and lower slide brick can block the excessive and outside air of argon gas and enter, and avoids impurity to enter in molten steel.
In pouring molten steel device provided by the invention, long nozzle mechanism does straight reciprocating motion with travelling carriage in molten steel, by even for molten steel water conservancy diversion in tundish, can effectively prevent molten steel from splashing, avoid molten steel to contact with air and secondary oxidation occurs, improve the clarity of molten steel, ensure that the quality of foundry goods; Second slide gate mechanism passes through to regulate the folding at the upper and lower sliding plate brick mouth of a river thus the size regulating molten steel flow, control molten steel tap, fundamentally eliminate the various problems that stopper rod of tundish formula cast control mode is brought, and favorable sealing property, the motion stabilization of connecting rod and slide plate, precisely, this apparatus structure is simple, and easy accessibility, casting quality is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of pouring molten steel device provided by the invention.
Fig. 2 is the structural representation of steel ladle sliding water gap unit.
Fig. 3 is the structural representation of bracing frame.
Fig. 4 is the structural representation of pallet.
Fig. 5 is the structure chart of pouring molten steel device.
Fig. 6 is the partial enlarged drawing of pouring molten steel device.
Wherein, 1-ladle, 2-steel ladle sliding water gap unit, 21-travelling carriage, 22-upper frame, 23-jack, 24-suspension bracket, 25-upper slide brick, 26-lower slide brick, 27-porous plug, 28-filling pipe end, the mouth of a river under 29-, mouth of a river cover under 210-, 211-backstay, 212-limiting plate, 213-bracing frame, 2131-vertical plate, 2132-level board, 2133-linear pattern chute, 214-pallet, 2141-ring flange, 2142-Blind locating holes, 2143-neck, 2144-boss, 215-spiral lifting dish, 216-long nozzle, 217-handle, 218-breathes freely ring, 219-argon blowing hole, 220-Argon pipe, 3-tundish, 4-tundish slide gate nozzle unit, 41-base, 42-upper slide brick, 43-lower slide brick, the mouth of a river under 44-, 45-porous plug, 46-anti-turn screw, 47-spacer pin, the outer seat of 48-, 49-sleeve, 410-V type combined seal ring, 411-gland, 412-connecting rod, 413-connector, 414-pressing plate, 415-hydraulic cylinder, 4151-oil pipe, 4152-oil diverting port, 4153-piston rod, 416-flange, 417-locking nut, 418-support, 419-bag wall body, handbag wall in the middle of 420-, 421-sheath body, 422-metal bellows, 423-sealing gasket, 424-transit joint, mouth of a river cover under 425-, 426-splash-back, 427-framework, 428-slide plate.
Detailed description of the invention
Below in conjunction with drawings and Examples the present invention done and illustrate in detail.
Pouring molten steel device provided by the invention, its structure as shown in Figure 1, be made up of ladle 1, steel ladle sliding water gap unit 2 tundish 3 and tundish slide gate nozzle unit 4, steel ladle sliding water gap unit is fixed on ladle bottom by lifting bolt, ladle is communicated with by steel ladle sliding water gap unit with tundish, tundish slide gate nozzle unit is fixed by screws in tundish bottom, and tundish slide gate nozzle unit comprises the second slide gate mechanism and driving mechanism.
The structure of steel ladle sliding water gap unit as shown in Figure 2, comprise the first slide gate mechanism and be arranged on the long nozzle mechanism below the first slide gate mechanism, first slide gate mechanism comprises travelling carriage 21, upper frame 22, suspension bracket 24, two jack 23, filling pipe end 28, upper slide brick 25, lower slide brick 26, the lower mouth of a river 29, , lower mouth of a river cover 210 and the first Argon mechanism, upper frame and suspension bracket are connected through the hinge, travelling carriage is arranged between suspension bracket and upper frame, filling pipe end, jack and upper slide brick are fixed in upper frame, jack compresses upper slide brick, lower slide brick and jack are fixed in travelling carriage, jack compresses lower slide brick, the lower mouth of a river is set in the fixing lower mouth of a river on the lower mouth of a river, the top of lower mouth of a river cover is fixed on the bottom surface of travelling carriage, the lower mouth of a river and lower mouth of a river cover are through suspension bracket, the bottom at the lower mouth of a river is positioned at outside suspension bracket, the bottom surface of suspension bracket is provided with limiting plate 212, the bottom surface of travelling carriage is provided with backstay 211, backstay is between the lower mouth of a river and limiting plate, first Argon mechanism is positioned at the below of travelling carriage, comprise Argon pipe 220 and porous plug 27, porous plug to be fixed in lower slide brick and relative when slide gate nozzle is closed with the opening of upper nozzle brick, described Argon pipe is provided with two, wherein the gas outlet of to embed in travelling carriage and with porous plug close contact, the gas outlet of another root is communicated with long nozzle.
Long nozzle mechanism is by flanged long nozzle 216, spiral lifting dish 215, pallet 214 and bracing frame 213 are formed, the bottom that the upper end of long nozzle is set in the lower mouth of a river is communicated with the lower mouth of a river, the lower end at the lower mouth of a river and the upper end of long nozzle opening are all in turbination, ventilative ring 218 and argon blowing hole 219 is provided with in the tube wall of long nozzle upper end, wherein the gas outlet of an Argon pipe embeds in argon blowing hole and is communicated with long nozzle, pallet and spiral lifting dish are all set on long nozzle, bracing frame to be positioned at below suspension bracket and to be connected with suspension bracket, bracing frame is provided with linear pattern slideway in the horizontal direction, long nozzle and pallet are all arranged in linear pattern slideway and can linearly slide by type slideway, one end of argon blowing hole and ventilative loop contacts, the structure of bracing frame as shown in Figure 3, be made up of two support plates be parallel to each other, support plate is L-type, comprise level board 2132 and vertical plate 2131, one end of vertical plate is fixed on the bottom surface of suspension bracket, one end of the other end and level board is connected, and the opening that the other end of level board is provided with linear pattern chute 2133, two level board linear pattern chutes forms linear pattern slideway relatively, described spiral lifting dish is cannelure, and comprise outer shroud cell wall and inner ring cell wall that bottom is connected, outer shroud cell wall is arranged with four handles 217, inner ring cell wall is against below the flange of long nozzle, the structure of pallet as shown in Figure 4, pallet is hubbed flange, the neck 2143 of hubbed flange embeds in cannelure, and be threaded with the outer shroud cell wall of spiral lifting dish, the neck of hubbed flange is arranged in linear pattern slideway and can linearly slides by type slideway, the tube wall lateral surface of hubbed flange neck is provided with boss 2144, boss to embed in linear pattern chute and can linearly type slide, the ring flange 2141 of hubbed flange is provided with Blind locating holes 2142, and the lower end of backstay is stretched in the Blind locating holes of pallet.
The structure of tundish slide gate nozzle mechanism as shown in Figure 5 and Figure 6, comprise the second slide gate mechanism and driving mechanism, second slide gate mechanism comprises by base 41, framework 427, slide plate 428, splash-back 426, the support unit that lower mouth of a river cover 425 and the second Argon mechanism are formed, and by upper slide brick 42, the performance element that lower slide brick 43 and the lower mouth of a river 44 are formed, driver element is for driving performance element, upper slide brick 42 is fixed in base 41, lower slide brick 43 and the lower mouth of a river 44 are all fixed in slide plate, the upper surface of slide plate is provided with annular deep gouge, annular deep gouge is provided with sealing gasket 423, sealing gasket is between slide plate and lower slide brick, the passage be communicated with argon blowing hole is provided with in sealing gasket, described driver element comprises hydraulic cylinder 415, connecting rod 412, support 418 and the sleeve 49 be set on connecting rod, V-type combined seal ring 410, gland 11 and outer seat 48, outer seat is hollow tubular, outer seat is fixed in middle handbag wall 420, sleeve and sealing ring are all between outer seat and connecting rod, sleeve and connecting rod matched in clearance, gland is threaded with the medial surface of outer seat, gland clamp sleeve and sealing ring, the front end of connecting rod is T-shaped, slide plate offers T-slot, the T-shaped front end of connecting rod snaps in T-slot and is flexibly connected with the slide plate of support unit, connecting rod is provided with spacer pin 47 and anti-turn screw 46, anti-turn screw is fixed in base 41 through connecting rod, spacer pin is fixed in connecting rod through connecting rod, spacer pin is between anti-turn screw and outer seat, the axis of spacer pin and anti-turn screw is all perpendicular to the axis of connecting rod, rod rear end is provided with connector 413 and is arranged with locking nut 417, locking nut is positioned at the front of connector, the front end of connector is threaded with connecting rod, rear end offers bayonet socket, the front end of described hydraulic cylinder is provided with flange 416, flange is square flange, the top of hydraulic cylinder is oil pipe 4151, rear end is provided with hydraulic oil oil diverting port 4152, the axis of hydraulic cylinder piston rod 4153 and the axis of connecting rod are located along the same line, the head of hydraulic cylinder 415 piston rod 4153 embeds in the bayonet socket of connector, one end of described support is fixed on middle handbag wall 420, hydraulic cylinder is fixed on support, support is provided with draw-in groove for mounting flange and pressing plate 414, flange is between pressing plate and bracing frame, flange snaps in draw-in groove, described second Argon mechanism comprises metal bellows 422, transit joint 424, sheath body 421, bag wall body 419 and the porous plug 45 be fixed in lower slide brick argon blowing hole, bag wall body, transit joint and sheath body are all in hollow tubular, the interior hole end surface of transit joint and the both ends of the surface of metal bellows are the rounding conical surface, bag wall body is arranged in the below of outer seat and is fixed on middle handbag wall, argon blowing hole and bag wall body are communicated with by metal bellows, the outer surface at described wavy metal tube wall two ends is equipped with projection, the inner surface of sheath body housing is provided with groove, the projection at metal bellows two ends lays respectively in the groove of two sheath bodies, sheath body is threaded with transit joint, projection compresses and forms hermetically-sealed construction in a groove by transit joint, the other end of two transit joints is threaded with argon blowing hole and bag wall body respectively.
When the hydration of many Baogangs is watered, when first Baogang's water injects tundish, do not need to use long nozzle mechanism, open the first slide gate mechanism, molten steel is directly injected tundish, during the second bag steel ladle of slinging, slide gate mechanism and long nozzle mechanism with the use of, long nozzle is inserted in pallet and spiral lifting dish from the bottom up successively, moving lifting dolly holds up long nozzle, pallet and spiral lifting dish, pallet is pushed in bracing frame, the spacing pallet of limiting plate, rotate spiral lifting dish, long nozzle is made to be engaged with the lower mouth of a river and to compress, subsequently steel ladle is winched on tundish, under dropping to long nozzle lower end insertion Metal in Tundish liquid level, about 60cm is dark, open steel ladle sliding water gap unit, when slide gate mechanism is opened, filling pipe end, upper slide brick, lower slide brick, the centre bore of the lower mouth of a river and long nozzle is located along the same line, molten steel is injected to tundish, tundish is poured into a mould simultaneously, all the other each Baogang water by that analogy.
First slide gate mechanism and the second slide gate mechanism are when closing, Argon pipe in first slide gate mechanism and the metal bellows in the second slide gate mechanism carry out Argon simultaneously, impel MOLTEN STEEL FLOW not solidify, even liquid steel temperature, remove the field trash in molten steel; In the process of pouring molten steel, first slide gate mechanism and the second slide gate mechanism are all in opening, in steel ladle sliding water gap unit, the Argon pipe of long nozzle mechanism is to Argon in long nozzle, argon gas enters in the molten steel in long nozzle through ventilative ring, formation argon seals, and prevents air immersion and molten steel from leaking outside.
Claims (10)
1. a pouring molten steel device, at least comprises ladle, tundish, be fixed on the steel ladle sliding water gap unit that ladle bottom is communicated with ladle and tundish, with the tundish slide gate nozzle unit being fixed on tundish bottom, steel ladle sliding water gap unit comprises the first slide gate mechanism and is arranged on the long nozzle mechanism below the first slide gate mechanism, tundish slide gate nozzle unit comprises the second slide gate mechanism and driving mechanism, and described first slide gate mechanism comprises upper frame, travelling carriage, suspension bracket, filling pipe end, upper slide brick, lower slide brick, the lower mouth of a river, lower mouth of a river cover and the first Argon mechanism, the second slide gate mechanism comprises by base, framework, slide plate, splash-back, lower mouth of a river cover, the support unit that second Argon mechanism is formed, and by upper slide brick, lower slide brick, the performance element that the lower mouth of a river is formed, performance element is fixed in support unit, and driving mechanism drives performance element, it is characterized in that: described long nozzle mechanism is by flanged long nozzle, spiral lifting dish, pallet and bracing frame are formed, the bottom that the upper end of long nozzle is set in the lower mouth of a river is communicated with the lower mouth of a river, pallet and spiral lifting dish are all set on long nozzle, bracing frame to be positioned at below suspension bracket and to be connected with suspension bracket, support frame as described above is made up of two support plates be parallel to each other, support plate is L-type, comprise level board and vertical plate, one end of vertical plate is fixed on the bottom surface of suspension bracket, one end of the other end and level board is connected, the other end of level board is provided with linear pattern chute, and the opening of two level board linear pattern chutes forms linear pattern slideway relatively, and long nozzle and pallet are all arranged in linear pattern slideway and can linearly slide by type slideway, described spiral lifting dish is cannelure, and comprise outer shroud cell wall and inner ring cell wall that bottom is connected, inner ring cell wall is against below the flange of long nozzle, described pallet is hubbed flange, and the neck of hubbed flange embeds in cannelure, and is threaded with the outer shroud cell wall of spiral lifting dish, and the neck of hubbed flange is arranged in linear pattern slideway and can linearly slides by type slideway, described driver element comprises hydraulic cylinder, connecting rod, support and the sleeve be set on connecting rod, sealing ring, gland and outer seat, outer seat is hollow tubular, outer seat is fixed in middle handbag wall, sleeve and sealing ring are all between outer seat and connecting rod, gland is threaded with the medial surface of outer seat, gland clamp sleeve and sealing ring, the front end of connecting rod is T-shaped, slide plate offers T-slot, the T-shaped front end of connecting rod snaps in T-slot and is flexibly connected with slide plate, rod rear end is provided with connector, the front end of connector is threaded with connecting rod, rear end offers bayonet socket, the head of the piston rod of hydraulic cylinder embeds in the bayonet socket of connector, one end of described support is fixed on middle handbag wall, hydraulic cylinder is fixed on support, the front end of described hydraulic cylinder is provided with flange, support is provided with draw-in groove for mounting flange and pressing plate, flange is between pressing plate and bracing frame, flange snaps in draw-in groove, described argon-blowing device comprises metal bellows, transit joint, sheath body, bag wall body and the porous plug be fixed in performance element lower slide brick argon blowing hole, bag wall body, transit joint and sheath body are all in hollow tubular, bag wall body is arranged in the below of outer seat and is fixed on middle handbag wall, argon blowing hole and bag wall body are communicated with by metal bellows, the outer surface at described wavy metal tube wall two ends is equipped with projection, the inner surface of sheath body housing is provided with groove, the projection at metal bellows two ends lays respectively in the groove of two sheath bodies, sheath body is threaded with transit joint, projection compresses and forms hermetically-sealed construction in a groove by transit joint, the other end of two transit joints is threaded with argon blowing hole and bag wall body respectively.
2. pouring molten steel device according to claim 1, it is characterized in that: described connecting rod is provided with spacer pin and anti-turn screw, anti-turn screw is fixing in the base through connecting rod, spacer pin is fixed in connecting rod through connecting rod, spacer pin is between anti-turn screw and outer seat, and the axis of spacer pin and anti-turn screw is all perpendicular to the axis of connecting rod; The rear end of connecting rod is arranged with locking nut, and locking nut is positioned at the front of connector.
3. pouring molten steel device according to claim 1, it is characterized in that: the tube wall lateral surface of described hubbed flange neck is provided with boss, boss to embed in linear pattern chute and can linearly type slide, and the ring flange of hubbed flange is provided with Blind locating holes; The bottom surface of suspension bracket is provided with limiting plate, and the bottom surface of travelling carriage is provided with backstay, and described backstay is between the lower mouth of a river and limiting plate, and its lower end is stretched in the Blind locating holes of pallet.
4. pouring molten steel device according to claim 1, is characterized in that: the top of described hydraulic cylinder is oil pipe, and rear end is provided with hydraulic oil oil diverting port, and the axis of hydraulic cylinder piston rod and the axis of connecting rod are located along the same line; The flange of described hydraulic cylinder is square flange.
5. pouring molten steel device according to claim 1, it is characterized in that: the upper surface of described slide plate is provided with annular deep gouge, annular deep gouge is provided with sealing gasket, and sealing gasket, between slide plate and the lower slide brick of the second slide gate mechanism, is provided with the passage be communicated with argon blowing hole in sealing gasket.
6. pouring molten steel device according to claim 1, is characterized in that: described sealing ring is V-type combined seal ring.
7. pouring molten steel device according to claim 1, it is characterized in that: the interior hole end surface of transit joint is the rounding conical surface, the both ends of the surface of metal bellows are sphere, the two ends of metal bellows and the endoporus compression fit of transit joint, the lower end at the lower mouth of a river and the upper end of long nozzle opening are all in turbination.
8. pouring molten steel device according to claim 1, it is characterized in that: in the tube wall of described long nozzle upper end, be provided with ventilative ring and argon blowing hole, one end of argon blowing hole and ventilative loop contacts, the below of travelling carriage is provided with the first Argon mechanism be made up of Argon pipe and porous plug, porous plug to be fixed in lower slide brick and relative when slide gate nozzle is closed with the opening of upper nozzle brick, described Argon pipe is provided with two, wherein the gas outlet of an Argon pipe to embed in travelling carriage and with porous plug close contact, the gas outlet of another root Argon pipe embeds in the argon blowing hole of long nozzle upper end.
9. pouring molten steel device according to claim 1, is characterized in that: the outer shroud cell wall of spiral lifting dish is arranged with four handles.
10. pouring molten steel device according to claim 1, is characterized in that: be equipped with the jack for compressing upper and lower sliding plate brick in upper frame and travelling carriage.
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| CN201410707892.9A CN104399961B (en) | 2014-11-28 | 2014-11-28 | A kind of pouring molten steel device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410707892.9A CN104399961B (en) | 2014-11-28 | 2014-11-28 | A kind of pouring molten steel device |
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| CN104399961A true CN104399961A (en) | 2015-03-11 |
| CN104399961B CN104399961B (en) | 2016-05-04 |
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| CN201410707892.9A Expired - Fee Related CN104399961B (en) | 2014-11-28 | 2014-11-28 | A kind of pouring molten steel device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105945274A (en) * | 2016-06-27 | 2016-09-21 | 江阴兴澄特种钢铁有限公司 | Continuous casting steel ladle no-drainage casting device |
| CN107586919A (en) * | 2017-09-08 | 2018-01-16 | 吉林建龙钢铁有限责任公司 | A kind of preparation technology of Low-carbon deep drawing steel |
| CN109692949A (en) * | 2018-02-26 | 2019-04-30 | 河北泰禾高温流体科技股份有限公司 | A kind of driving device of ladle sliding water gap mechanism |
| CN110079645A (en) * | 2019-06-14 | 2019-08-02 | 洛阳利尔耐火材料有限公司 | A kind of pin-hole type air brick of adjustable Air permenbility |
| CN110860683A (en) * | 2019-11-26 | 2020-03-06 | 内蒙古赛思普科技有限公司 | High-purity molten iron slag-free control casting equipment and process for pig casting machine |
| CN111321270A (en) * | 2020-03-10 | 2020-06-23 | 安徽云天冶金科技股份有限公司 | Adjustable sliding plate for pushing off slag of converter sliding plate |
| CN112122603A (en) * | 2020-09-24 | 2020-12-25 | 芜湖奉亚工业设计有限公司 | Tundish is pour to steel |
| CN113070467A (en) * | 2021-03-31 | 2021-07-06 | 成渝钒钛科技有限公司 | Combined continuous casting tundish flow stabilizing device and using method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105945274A (en) * | 2016-06-27 | 2016-09-21 | 江阴兴澄特种钢铁有限公司 | Continuous casting steel ladle no-drainage casting device |
| CN107586919A (en) * | 2017-09-08 | 2018-01-16 | 吉林建龙钢铁有限责任公司 | A kind of preparation technology of Low-carbon deep drawing steel |
| CN109692949A (en) * | 2018-02-26 | 2019-04-30 | 河北泰禾高温流体科技股份有限公司 | A kind of driving device of ladle sliding water gap mechanism |
| CN109692949B (en) * | 2018-02-26 | 2023-06-02 | 河北泰禾高温流体科技股份有限公司 | Driving device of ladle sliding gate mechanism |
| CN110079645A (en) * | 2019-06-14 | 2019-08-02 | 洛阳利尔耐火材料有限公司 | A kind of pin-hole type air brick of adjustable Air permenbility |
| CN110860683A (en) * | 2019-11-26 | 2020-03-06 | 内蒙古赛思普科技有限公司 | High-purity molten iron slag-free control casting equipment and process for pig casting machine |
| CN110860683B (en) * | 2019-11-26 | 2022-01-18 | 内蒙古赛思普科技有限公司 | High-purity molten iron slag-free control casting equipment and process for pig casting machine |
| CN111321270A (en) * | 2020-03-10 | 2020-06-23 | 安徽云天冶金科技股份有限公司 | Adjustable sliding plate for pushing off slag of converter sliding plate |
| CN111321270B (en) * | 2020-03-10 | 2021-11-12 | 安徽云天冶金科技股份有限公司 | Adjustable sliding plate for pushing off slag of converter sliding plate |
| CN112122603A (en) * | 2020-09-24 | 2020-12-25 | 芜湖奉亚工业设计有限公司 | Tundish is pour to steel |
| CN113070467A (en) * | 2021-03-31 | 2021-07-06 | 成渝钒钛科技有限公司 | Combined continuous casting tundish flow stabilizing device and using method thereof |
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| CN104399961B (en) | 2016-05-04 |
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