CN114042903A - Three slide plate sliding gate - Google Patents
Three slide plate sliding gate Download PDFInfo
- Publication number
- CN114042903A CN114042903A CN202111370947.8A CN202111370947A CN114042903A CN 114042903 A CN114042903 A CN 114042903A CN 202111370947 A CN202111370947 A CN 202111370947A CN 114042903 A CN114042903 A CN 114042903A
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- Prior art keywords
- sliding plate
- argon
- water gap
- lower sliding
- sealing
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 402
- 229910052786 argon Inorganic materials 0.000 claims abstract description 201
- 238000007789 sealing Methods 0.000 claims abstract description 170
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 142
- 238000001816 cooling Methods 0.000 claims abstract description 74
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 47
- 239000010959 steel Substances 0.000 claims abstract description 47
- 239000007789 gas Substances 0.000 claims description 37
- 238000006073 displacement reaction Methods 0.000 claims description 31
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 14
- 229910002804 graphite Inorganic materials 0.000 claims description 14
- 239000010439 graphite Substances 0.000 claims description 14
- 239000011819 refractory material Substances 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000005266 casting Methods 0.000 abstract description 6
- 230000007704 transition Effects 0.000 abstract description 4
- 238000005096 rolling process Methods 0.000 abstract description 3
- 238000009749 continuous casting Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011449 brick Substances 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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
- B22D41/42—Features relating to gas injection
-
- 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
- B22D41/28—Plates therefor
- B22D41/36—Treating the plates, e.g. lubricating, heating
-
- 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
- B22D41/38—Means for operating the sliding gate
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The invention discloses a three-slide plate sliding gate, relates to the technical field of metallurgical casting and continuous casting, and particularly relates to a three-slide plate sliding gate at the joint of a tundish and a shunt tank of a thin strip casting and rolling machine. The upper part, the middle part and the lower part of the invention are clamped up and down by a clamping spring set to form a whole; the water gaps on the upper sliding plate, the middle sliding plate and the lower sliding plate in the three parts are concentrically arranged and are respectively communicated with the water gaps of the intermediate tank and the shunt tank to form a pouring communicating vessel with controllable flow; the air cooling system is arranged on the lower sliding plate frame and used for cooling the clamping spring group and the lower sliding plate by air; argon of the argon sealing system is introduced into the upper sliding plate and the lower sliding plate and is used for sealing interfaces between the upper sliding plate and the middle sliding plate and between the lower sliding plate and the middle sliding plate and preventing molten steel flowing through the water gap from being oxidized. The technical scheme of the invention solves the problems that a box type three-sliding-plate mechanism in the prior art can only be used as a plug-in water gap, a lower water gap and an upper hole of a transition tank need to be sealed by argon, and molten steel is easy to oxidize.
Description
Technical Field
The invention discloses a three-slide plate sliding gate, relates to the technical field of metallurgical casting and continuous casting, and particularly relates to a three-slide plate sliding gate at the joint of a tundish and a shunt tank of a thin strip casting and rolling machine.
Background
Currently, cast-rolling and casting systems mount a box-type three-slide mechanism on the bottom plate of the tundish. The box type structure form is as follows: argon is filled in the whole box body through the air brick on the middle sliding plate, and air is extruded out to play a sealing role. Four steel claws are pressed on the bottom surface sliding plate through spiral springs, and three sliding plates are pressed together to ensure no steel leakage. The middle sliding plate is driven by a hydraulic cylinder to adjust the opening degree of the sliding plate and adjust the steel flow. However, the box-type three-sliding-plate mechanism can only be applied as a plug-in water gap, the lower water gap and the upper hole of the transition tank need to be sealed by argon, and molten steel is easy to oxidize.
In view of the problems in the prior art, it is necessary to develop a novel three-slide plate sliding gate valve to overcome the problems in the prior art.
Disclosure of Invention
According to the technical problems that the box type three-sliding-plate mechanism provided by the prior art can only be used as an inserted water gap, the lower water gap and the upper hole of the transition tank need to be sealed by argon, and molten steel is easy to oxidize, the three-sliding-plate sliding water gap is provided. According to the invention, the tundish and the shunt tank are connected through the three sliding plate sliding water gaps, the middle sliding plate is controlled through the hydraulic cylinder, and the flow of molten steel is accurately controlled, so that the function of a gate valve is achieved, the molten steel is cut off, and the equipment can be quickly and safely removed; meanwhile, a groove type argon sealing system is adopted for preventing the cast molten steel from being oxidized.
The invention can rigidly connect the intermediate tank and the shunt tank, and make them into a communicating vessel, and the connecting position does not need argon gas sealing. The molten steel flow can be controlled as well.
The technical means adopted by the invention are as follows:
a three-slide plate sliding gate valve comprising: the device comprises an upper part, a middle part, a lower part, an air cooling system and an argon sealing system;
furthermore, the upper part consists of a sliding water gap base plate and an upper sliding plate; the upper sliding plate is arranged in the mounting surface of the sliding water gap base plate, and the sliding water gap base plate is combined on the tundish water gap bottom plate through 4 bolts;
furthermore, the middle part consists of a middle sliding plate and a hydraulic cylinder with a displacement sensor; the hydraulic cylinder with a displacement sensor is arranged on a base plate of the sliding water gap, and the end part of a cylinder rod of the hydraulic cylinder is connected with the middle sliding plate and can drive the middle sliding plate to move to adjust the flow;
furthermore, the lower part consists of a lower sliding plate, a lower sliding plate frame and a connecting flange; the lower slide plate is arranged on the lower slide plate frame; the connecting flange is arranged at the lower part of the lower sliding plate and is connected with the shunt tank through a bolt;
furthermore, the upper part, the middle part and the lower part are clamped up and down through a clamping spring set to form a whole, the clamping force is controlled to ensure that steel leakage does not occur, and the middle sliding plate can be driven smoothly;
furthermore, the water gaps on the upper sliding plate, the middle sliding plate and the lower sliding plate are concentrically arranged and are respectively communicated with the water gaps of the intermediate tank and the shunt tank to form a pouring communicating device with controllable flow, and the pouring communicating device can also be connected with the water gaps to form a pouring water gap with controllable flow;
further, an air cooling system is arranged on the lower sliding plate frame and used for cooling the clamping spring group and the lower sliding plate in air;
further, argon of the argon sealing system is introduced into the upper sliding plate and the lower sliding plate and is used for sealing interfaces between the upper sliding plate and the middle sliding plate and between the lower sliding plate and the middle sliding plate and preventing molten steel flowing through the water gap from being oxidized.
Further, the sliding gate nozzle foundatin plate closes on middle package mouth of a river bottom plate through the bolt, includes: the argon sealing device comprises a sliding water gap base plate body, an argon sealing channel A, an upper sliding plate mounting groove hole, an argon interface, a hydraulic cylinder mounting seat, an argon through hole and a positioning pin hole;
furthermore, the sliding gate nozzle base plate body is a steel workpiece, an upper sliding plate mounting groove hole for placing an upper sliding plate is processed on the sliding gate nozzle base plate body, and the sliding gate nozzle base plate body is closed on a tundish gate nozzle bottom plate through 4 bolts;
further, after the center of the mounting groove hole of the upper sliding plate is machined, a transverse through hole of the argon through hole behind the mounting groove hole is machined;
furthermore, two ends of the argon through hole are drilled through a longitudinal through hole of an argon sealing channel A arranged at the left end of the sliding water gap base plate body and are communicated with an argon interface at the upper part of the right end;
further, the argon interface is externally connected with an argon source;
furthermore, a hydraulic cylinder mounting seat for mounting a hydraulic cylinder with a displacement sensor is arranged at the right end part of the sliding water gap base plate body;
furthermore, a positioning pin hole is formed in the inner side of the sliding water gap base plate body and used for being connected with the lower sliding plate frame for positioning.
Further, the upper slide plate includes: the device comprises a graphite sealing ring A, an upper sliding plate body, an argon sealing channel B, a water gap A and an annular argon sealing groove A;
further, the upper sliding plate body is pressed and formed by using a refractory material and a steel hoop, and is fired and shaped;
further, an argon gas sealing channel B which is arranged opposite to the argon gas sealing channel A is arranged on the upper sliding plate body;
further, the argon gas sealing channel B is oppositely connected with the argon gas sealing channel A, a graphite sealing ring A is installed for sealing, the argon gas sealing channel B and the annular gas compression sealing groove A on the bottom surface of the upper sliding plate are filled with argon gas after the argon gas is introduced, and a sliding surface between the upper sliding plate and the middle sliding plate is sealed to prevent molten steel from being oxidized;
further, an upper water gap A is compositely pressed on the upper sliding plate body;
furthermore, a water gap A and the upper sliding plate mounting slotted hole are concentrically arranged, and the water gap A is communicated with a tundish water gap; the joint of the two is additionally provided with a heat-resistant mud seal;
furthermore, an annular argon gas sealing groove A is formed in the contact surface of the upper sliding plate body and the middle sliding plate and communicated with the argon gas sealing channel B.
Furthermore, the intermediate sliding plate consists of an intermediate sliding plate body, a water gap B and an intermediate sliding plate frame;
furthermore, the main body of the middle sliding plate body is made of refractory materials, a water gap B concentric with the water gap A is arranged in the middle of the middle sliding plate body, and the middle sliding plate body and the water gap B are compounded and pressed into a whole;
furthermore, a steel hoop is arranged outside the middle sliding plate body, is pressed into a whole, is sintered and shaped, and is embedded in the middle sliding plate frame;
furthermore, the head of the middle sliding plate frame is connected with the end of a hydraulic cylinder rod with a displacement sensor to drive the middle sliding plate to slide between the upper sliding plate and the lower sliding plate.
Further, the lower slide plate includes: the device comprises an argon sealing channel C, a graphite sealing ring B, a lower sliding plate body, a heat insulation layer, a lower sliding plate outer shell, a water gap C and an annular argon sealing groove B;
furthermore, the main body of the lower sliding plate body is made of refractory materials, and a water gap C concentric with the water gap B is arranged in the middle of the lower sliding plate body; the lower sliding plate body and the water gap C are compositely pressed into a whole;
furthermore, a complex body formed by the lower sliding plate body and the water port C is communicated with a water port of the shunt tank, and heat-resistant mud is additionally arranged between the lower sliding plate body and the water port C for sealing;
furthermore, the lower sliding plate body is embedded into the outer shell of the lower sliding plate and is provided with an argon gas sealing channel C;
further, a graphite sealing ring B is arranged at the joint of the lower sliding plate body and an argon sealing channel C of the lower sliding plate outer shell;
further, a heat insulation layer is arranged between the lower sliding plate body and the lower sliding plate outer shell;
furthermore, an annular argon gas sealing groove B is formed in the contact surface of the lower sliding plate body and the middle sliding plate; the annular argon sealing groove B is communicated with the argon sealing channel C;
furthermore, the outer shell of the lower sliding plate is a steel workpiece, and an annular groove is machined in the outer surface of the outer shell of the lower sliding plate and used for being embedded with the connecting flange.
Further, the lower slide frame includes: the device comprises a positioning pin, a lower sliding plate frame body, a cooling air interface, an argon sealing gasket, an argon sealing channel D, a cooling air channel and a lower sliding plate mounting hole;
further, a lower sliding plate mounting surface is arranged on the inner side of the lower sliding plate frame body and used for assembling a lower sliding plate;
furthermore, an argon gas sealing channel D corresponding to the argon gas sealing channel C is arranged on the mounting surface of the lower sliding plate, and an argon gas sealing gasket is arranged on the joint surface of the argon gas sealing channel D and the argon gas sealing channel C;
furthermore, a cooling air channel is arranged on the lower sliding plate frame body, and a cooling air interface is welded at the inlet of the cooling air channel and used for respectively cooling the four clamping spring groups and connecting a cooling lower sliding plate air pipe for cooling the lower sliding plate outer shell;
furthermore, two positioning pins are arranged on the inner side of the lower sliding plate frame body; a positioning pin is used for central positioning and is inserted into a positioning pin hole arranged on the inner side of the sliding gate base plate body; a positioning pin is inserted into the slotted hole of the base plate body of the sliding water gap and is used for anti-rotation positioning;
further, a lower sliding plate mounting hole is formed in the lower sliding plate frame body and used for mounting the lower sliding plate.
Further, the connection flange includes: a left flange and a right flange;
furthermore, the left flange and the right flange are combined into a whole through bolts and embedded in a groove of the outer shell of the lower sliding plate;
further, the connecting flange is connected to an external water gap or a shunt tank through a bolt.
Further, the hydraulic cylinder with displacement sensor includes: the displacement sensor comprises a displacement sensor hydraulic cylinder body, a hydraulic cylinder connector, a gasket and a tightening nut;
furthermore, the hydraulic cylinder body of the displacement sensor is combined on the hydraulic cylinder mounting seat;
furthermore, the hydraulic cylinder connector is arranged at the head of a cylinder rod of the hydraulic cylinder body of the displacement sensor through a gasket and a tightening nut and is connected with a gap at the tail part of the middle sliding plate frame;
furthermore, the hydraulic cylinder with the displacement sensor drives the middle sliding plate to move smoothly, the opening degree of the water gap is adjusted, and the flow of molten steel is controlled.
Further, the air cooling system includes: the cooling air interface, the cooling air channel and the cooling lower slide plate air pipe are arranged on the upper slide plate;
furthermore, a cooling air interface is welded on the lower sliding plate frame body and is connected with the cooling air channel;
further, a cooling air channel drills communication holes in the lower sliding plate frame body and respectively communicates with the bases of the 4 clamping spring groups for cooling the clamping spring groups;
furthermore, one end of the cooling lower slide plate air pipe is connected with the cooling air channel, and the other end of the cooling lower slide plate air pipe is provided with at least two nozzles for cooling the lower slide plate.
Further, the argon gas sealing system comprises: the argon sealing device comprises an argon interface, an argon through hole, an argon sealing channel A, an argon sealing channel B, an annular argon sealing groove A, an argon sealing channel C, an annular argon sealing groove B, an argon sealing channel D and an argon sealing connecting hose;
furthermore, external argon is connected with an argon interface, enters the annular argon sealing groove A through the argon channel, the argon sealing channel A and the argon sealing channel B, and seals the interface between the upper sliding plate and the middle sliding plate to prevent molten steel flowing through the water gap from being oxidized;
furthermore, one end of the argon sealing connecting hose is connected with an argon sealing channel A of the sliding water gap base plate body, and the other end of the argon sealing connecting hose is connected with an argon sealing channel D on the lower sliding plate frame body; argon is introduced into the lower sliding frame body from the sliding water gap base plate body and enters the annular air compression sealing groove B through the argon sealing channel C, the interface between the lower sliding plate and the middle sliding plate is sealed, and molten steel flowing through the water gap is prevented from being oxidized.
Compared with the prior art, the invention has the following advantages:
1. according to the three-sliding-plate sliding water gap provided by the invention, the intermediate tank and the shunt tank are connected through the novel three-sliding-plate sliding water gap to form the communicating vessel, and the intermediate sliding plate is controlled through the hydraulic cylinder, so that the flow of molten steel is accurately controlled;
2. the three-sliding-plate sliding water gap provided by the invention can be connected with the inserted water gap to cast molten steel into the diversion tank, and can accurately control the flow of the molten steel;
3. the three-sliding-plate sliding water gap provided by the invention can play a role of a gate valve, molten steel is cut off, and equipment can be quickly and safely moved out;
4. the three-sliding-plate sliding water gap provided by the invention adopts a groove type argon sealing system to prevent the molten steel of the casting from being oxidized;
5. the three-sliding-plate sliding water gap provided by the invention is provided with the clamping spring group of the cooling mechanism of the air cooling system, so that the clamping force is stable, the sliding is smooth, and the mechanism is safe.
In conclusion, the technical scheme of the invention solves the problems that the box type three-sliding-plate mechanism in the prior art can only be used as a plug-in water gap, the lower water gap and the upper hole of the transition tank need to be sealed by argon, and molten steel is easy to oxidize.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a view from the direction of FIG. 1A;
FIG. 4 is an exploded view of the upper, middle and lower portions of the present invention;
fig. 5 is a schematic view of the structure of the foundation plate of the sliding gate nozzle of the present invention;
FIG. 6 is a schematic diagram of the upper slide structure of the present invention;
FIG. 7 is a schematic view of the intermediate slide of the present invention;
FIG. 8 is a schematic view of a lower slide plate structure according to the present invention;
FIG. 9 is a schematic view of the lower slide frame structure of the present invention;
FIG. 10 is a schematic view of a flange according to the present invention;
FIG. 11 is a schematic diagram of a hydraulic cylinder with displacement sensors according to the present invention.
In the figure:
1. the device comprises a sliding water gap base plate 1-1, a sliding water gap base plate body 1-2, an argon sealing channel A1-3, an upper sliding plate mounting groove hole 1-4, an argon interface 1-5, a hydraulic cylinder mounting seat 1-6, an argon through hole 1-7 and a positioning pin hole;
2. the device comprises an upper sliding plate 2-1, a graphite sealing ring A2-2, an upper sliding plate body 2-3, an argon sealing channel B2-4, a water gap A2-5 and an annular argon sealing groove A;
3. the device comprises a middle sliding plate 3-1, a middle sliding plate body 3-2, a water gap B3-3 and a middle sliding plate frame;
4. 4-1 parts of a lower sliding plate, 4-2 parts of an argon sealing channel, 4-3 parts of a graphite sealing ring, 4-4 parts of a lower sliding plate body, 4-5 parts of a heat insulating layer, 4-6 parts of a lower sliding plate outer shell, 4-7 parts of a water gap and an annular argon sealing groove B;
5. the device comprises a lower sliding plate frame 5-1, a positioning pin 5-2, a lower sliding plate frame body 5-3, a cooling air interface 5-4, an argon sealing gasket 5-5, an argon sealing channel D5-6, a cooling air channel 5-7 and a lower sliding plate mounting hole;
6. a connecting flange 6-1, a left flange 6-2 and a right flange;
7. the hydraulic cylinder with the displacement sensor 7-1, the hydraulic cylinder body with the displacement sensor 7-2, the hydraulic cylinder connector 7-3, the gasket 7-4 and the tightening nut;
8. cooling the lower slide plate air pipe;
9. the argon is hermetically connected with a hose;
10. clamping the spring set.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the absence of any contrary indication, these directional terms are not intended to indicate and imply that the device or element so referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be considered as limiting the scope of the present invention: the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
As shown in fig. 1 to 4, the present invention provides a three-slide plate sliding gate valve comprising: the device comprises an upper part, a middle part, a lower part, an air cooling system and an argon sealing system; the upper part consists of a sliding water gap base plate 1 and an upper sliding plate 2; the upper sliding plate 2 is arranged in the mounting surface of the sliding water gap base plate 1, and the sliding water gap base plate 1 is closed on the tundish water gap bottom plate through 4 bolts; the middle part consists of a middle sliding plate 3 and a hydraulic cylinder 7 with a displacement sensor; the hydraulic cylinder 7 with the displacement sensor is arranged on the sliding water gap base plate 1, the end part of the cylinder rod of the hydraulic cylinder is connected with the middle sliding plate 3, and the hydraulic cylinder can drive the middle sliding plate 3 to move to adjust the flow; the lower part consists of a lower sliding plate 4, a lower sliding plate frame 5 and a connecting flange 6; the lower sliding plate 4 is arranged on the lower sliding plate frame 5; the connecting flange 6 is arranged at the lower part of the lower sliding plate 4 and is connected with the shunt tank through bolts; the upper part, the middle part and the lower part are clamped up and down by a clamping spring group 10 to form a whole, the clamping force is controlled to ensure no steel leakage, and the middle sliding plate 3 can be driven smoothly; the water ports on the upper sliding plate 2, the middle sliding plate 3 and the lower sliding plate 4 are concentrically arranged and are respectively communicated with the water ports of the intermediate tank and the shunt tank to form a pouring communicating device with controllable flow, and the pouring communicating device can also be connected with the water ports to form a pouring water port with controllable flow; the air cooling system is arranged on the lower sliding plate frame 5 and is used for cooling the clamping spring group 10 and the lower sliding plate 4 in air; argon of the argon sealing system is introduced into the upper sliding plate 2 and the lower sliding plate 4 and is used for sealing the interfaces between the upper sliding plate 2 and the middle sliding plate 3 and between the lower sliding plate 4 and the middle sliding plate 3 and preventing molten steel flowing through the water gap from being oxidized.
As shown in fig. 1, 2, 4 and 5, the slide gate nozzle base plate 1 is fastened to the tundish nozzle bottom plate by bolts, and includes: the argon sealing device comprises a sliding water gap base plate body 1-1, an argon sealing channel A1-2, an upper sliding plate mounting groove hole 1-3, an argon interface 1-4, a hydraulic cylinder mounting seat 1-5, an argon through hole 1-6 and a positioning pin hole 1-7; the sliding water gap base plate body 1-1 is a steel workpiece, an upper sliding plate mounting groove hole 1-3 for placing an upper sliding plate 2 is processed on the sliding water gap base plate body 1-1, and the sliding water gap base plate body 1-1 is closed on a tundish water gap bottom plate through 4 bolts; after the inner center of the mounting groove hole 1-3 of the upper sliding plate is processed, a transverse through hole of the argon through hole 1-6 behind the mounting groove hole 1-3 is processed; two ends of the argon through hole 1-6 are respectively drilled through with a longitudinal through hole of an argon sealing channel A1-2 arranged at the left end of the sliding water gap base plate body 1-1 and are communicated with an argon interface 1-4 at the upper part of the right end; the argon interfaces 1-4 are externally connected with an argon source; a hydraulic cylinder mounting seat 1-5 for mounting a hydraulic cylinder 7 with a displacement sensor is arranged at the right end part of the sliding water gap base plate body 1-1; the inner side of the sliding gate base plate body 1-1 is provided with a positioning pin hole 1-7 for connecting and positioning with the lower slide plate frame 5.
As shown in fig. 1 to 4 and 6, the upper slide plate 2 includes: the device comprises a graphite sealing ring A2-1, an upper sliding plate body 2-2, an argon gas sealing channel B2-3, a water gap A2-4 and an annular argon gas sealing groove A2-5; the upper sliding plate body 2-2 is pressed and formed by refractory materials and steel hoops, and is fired and shaped; an argon gas sealing channel B2-3 which is opposite to the argon gas sealing channel A1-2 is arranged on the upper sliding plate body 2-2; the argon gas sealing channel B2-3 is oppositely connected with the argon gas sealing channel A1-2, a graphite sealing ring A2-1 is arranged for sealing, argon gas is filled in the argon gas sealing channel B2-3 and the annular gas compression sealing groove A2-5 on the bottom surface of the upper sliding plate 2, and the sliding surface between the upper sliding plate 2 and the middle sliding plate 3 is sealed to prevent molten steel from being oxidized; an upper water gap A2-4 is compositely pressed on the upper sliding plate body 2-2 to form a whole; the water gap A2-4 is concentrically arranged with the upper slide plate mounting groove hole 1-3, and the water gap A2-4 is communicated with the water gap of the tundish; the joint of the two is additionally provided with a heat-resistant mud seal; an annular argon sealing groove A2-5 is formed in the contact surface of the upper sliding plate body 2-2 and the middle sliding plate 3, and the annular argon sealing groove A2-5 is communicated with an argon sealing channel B2-3.
As shown in fig. 1-4 and 7, the intermediate sliding plate 3 is composed of an intermediate sliding plate body 3-1, a water gap B3-2 and an intermediate sliding plate frame 3-3; the main body of the middle sliding plate body 3-1 is made of refractory materials, a water gap B3-2 concentric with the water gap A2-4 is arranged in the middle of the middle sliding plate body, and the middle sliding plate body 3-1 and the water gap B3-2 are compounded and pressed into a whole; a steel hoop is arranged outside the middle sliding plate body 3-1, and is pressed into a whole, then is sintered and shaped, and is embedded in the middle sliding plate frame 3-3; the head of the middle sliding plate frame 3-3 is connected with the end of the cylinder rod of the hydraulic cylinder 7 with a displacement sensor to drive the middle sliding plate 3 to slide between the upper sliding plate 2 and the lower sliding plate 4.
As shown in fig. 1 to 4 and 8, the lower slide 4 includes: the device comprises an argon sealing channel C4-1, a graphite sealing ring B4-2, a lower sliding plate body 4-3, a heat preservation layer 4-4, a lower sliding plate outer shell 4-5, a water gap C4-6 and an annular argon sealing groove B4-7; the main body of the lower sliding plate body 4-3 is made of refractory materials, and the middle part of the lower sliding plate body is provided with a water gap C4-6 which is concentric with the water gap B3-2; the lower sliding plate body 4-3 and the water gap C4-6 are compounded and pressed into a whole; a complex body consisting of the lower sliding plate body 4-3 and the water gap C4-6 is communicated with a water gap of the shunt tank, and heat-resistant mud is additionally arranged between the lower sliding plate body and the water gap C4-6 for sealing; the lower sliding plate body 4-3 is embedded into the lower sliding plate outer shell 4-5 and is provided with an argon sealing channel C4-1; a graphite sealing ring B4-2 is arranged at the joint of the lower sliding plate body 4-3 and an argon sealing channel C4-1 of the lower sliding plate outer shell 4-5; a heat insulation layer 4-4 is arranged between the lower sliding plate body 4-3 and the lower sliding plate outer shell 4-5; an annular argon sealing groove B4-7 is formed in the contact surface of the lower sliding plate body 4-3 and the middle sliding plate 3; the annular argon sealing groove B4-7 is communicated with an argon sealing channel C4-1; the outer shell 4-5 of the lower sliding plate is a steel workpiece, and an annular groove is processed on the outer surface of the outer shell and is used for being embedded with a connecting flange 6.
As shown in fig. 1 to 4 and 9, the lower slide frame 5 includes: the device comprises a positioning pin 5-1, a lower sliding plate frame body 5-2, a cooling air interface 5-3, an argon sealing gasket 5-4, an argon sealing channel D5-5, a cooling air channel 5-6 and a lower sliding plate mounting hole 5-7; a lower sliding plate mounting surface is arranged on the inner side of the lower sliding plate frame body 5-2 and used for assembling the lower sliding plate 4; an argon sealing channel D5-5 corresponding to the argon sealing channel C4-1 is arranged on the mounting surface of the lower sliding plate, and an argon sealing gasket 5-4 is arranged on the joint surface of the argon sealing channel D5-5 and the argon sealing channel C4-1; a cooling air channel 5-6 is arranged on the lower sliding plate frame body 5-2, and a cooling air interface 5-3 is welded at the inlet of the cooling air channel 5-6 and is used for respectively cooling the four clamping spring groups 10 and connecting a cooling lower sliding plate air pipe 8 for cooling the outer shell 4-5 of the lower sliding plate; two positioning pins 5-1 are arranged on the inner side of the lower sliding plate frame body 5-2; a positioning pin 5-1 is used for central positioning and is inserted into a positioning pin hole 1-7 arranged on the inner side of a base plate body 1-2 of the sliding water gap; a positioning pin 5-1 is inserted into the long hole of the base plate body 1-2 of the sliding water gap and is used for anti-rotation positioning; the lower sliding plate frame body 5-2 is provided with a lower sliding plate mounting hole 5-7 for mounting the lower sliding plate 4.
As shown in fig. 1 to 4 and 10, the connecting flange 6 includes: a left flange 6-1 and a right flange 6-2; the left flange 6-1 and the right flange 6-2 are combined into a whole through bolts and embedded in a groove of the lower sliding plate outer shell 4-5; the connecting flange 6 is connected to an external water gap or a shunt tank through bolts.
As shown in fig. 1 to 4 and 11, the hydraulic cylinder with displacement sensor 7 includes: the hydraulic cylinder comprises a displacement sensor hydraulic cylinder body 7-1, a hydraulic cylinder connector 7-2, a gasket 7-3 and a tightening nut 7-4; a hydraulic cylinder body 7-1 of the displacement sensor is combined on a hydraulic cylinder mounting seat 1-5; the hydraulic cylinder connector 7-2 is arranged at the head of a cylinder rod of the hydraulic cylinder body 7-1 of the displacement sensor through a gasket 7-3 and a tightening nut 7-4 and is connected with a gap at the tail part of the middle sliding plate frame 3-3; the hydraulic cylinder 7 with the displacement sensor drives the middle sliding plate 3 to move smoothly, adjusts the opening degree of a water gap and controls the flow of molten steel.
As shown in fig. 1, 2, 4, and 9, the air cooling system includes: a cooling air interface 5-3, a cooling air channel 5-6 and a cooling lower sliding plate air pipe 8; the cooling air interface 5-3 is welded on the lower sliding plate frame body 5-2 and is connected with the cooling air channel 5-6; the cooling air channel 5-6 is drilled with communication holes in the lower sliding plate frame body 5-2 and respectively communicated to the bases of the 4 clamping spring groups 10 for cooling the clamping spring groups 10; one end of the cooling lower slide plate air pipe 8 is connected with the cooling air channels 5-6, and the other end is provided with at least two nozzles for cooling the lower slide plate 4.
As shown in fig. 1, 2, 5, 6, 8, and 9, the argon sealing system includes: 1-4 parts of argon interface, 1-6 parts of argon through hole, a sealed argon channel A1-2 part, a sealed argon channel B2-3 part, a sealed annular argon groove A2-5 part, a sealed argon channel C4-1 part, a sealed annular argon channel B4-7 part, a sealed argon channel D5-5 part and a sealed argon connecting hose 9 part; external argon is connected with an argon interface 1-4 and enters an annular argon sealing groove A2-5 through an argon channel 1-6, an argon sealing channel A1-2 and an argon sealing channel B2-3 to seal the interface between the upper sliding plate 2 and the middle sliding plate 3 so as to prevent molten steel flowing through the water gap from being oxidized; one end of the argon sealing connecting hose 9 is connected with an argon sealing channel A1-2 of the sliding gate base plate body 1-1, and the other end is connected with an argon sealing channel D5-5 on the lower sliding plate frame body 5-2; argon is introduced into the lower sliding frame body 5-2 from the sliding water gap base plate body 1-1 and enters the annular air compression sealing groove B4-7 through an argon sealing channel C4-1, and the interface between the lower sliding plate 4 and the middle sliding plate 3 is sealed to prevent molten steel flowing through the water gap from being oxidized.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A three-slide plate sliding gate valve, said three-slide plate sliding gate valve comprising: the device comprises an upper part, a middle part, a lower part, an air cooling system and an argon sealing system;
the upper part consists of a sliding water gap base plate (1) and an upper sliding plate (2); the upper sliding plate (2) is arranged in the mounting surface of the sliding water gap base plate (1), and the sliding water gap base plate (1) is closed on a tundish water gap bottom plate through 4 bolts;
the middle part consists of a middle sliding plate (3) and a hydraulic cylinder (7) with a displacement sensor; the hydraulic cylinder (7) with the displacement sensor is arranged on the sliding water gap base plate (1), and the end part of the cylinder rod of the hydraulic cylinder is connected with the middle sliding plate (3) and can drive the middle sliding plate (3) to move to adjust the flow;
the lower part consists of a lower sliding plate (4), a lower sliding plate frame (5) and a connecting flange (6); the lower sliding plate (4) is arranged on the lower sliding plate frame (5); the connecting flange (6) is arranged at the lower part of the lower sliding plate (4) and is connected with the shunt tank through bolts;
the upper part, the middle part and the lower part are clamped up and down through a clamping spring set (10) to form a whole, the clamping force is controlled to ensure no steel leakage, and the middle sliding plate (3) can be driven smoothly;
the water gaps on the upper sliding plate (2), the middle sliding plate (3) and the lower sliding plate (4) are concentrically arranged and are respectively communicated with the water gaps of the intermediate tank and the shunt tank to form a pouring communicating device with controllable flow, and the pouring communicating device can also be connected with the water gaps to form a pouring water gap with controllable flow;
the air cooling system is arranged on the lower sliding plate frame (5) and is used for cooling the clamping spring group (10) and the lower sliding plate (4) in air;
argon of the argon sealing system is introduced into the upper sliding plate (2) and the lower sliding plate (4) and is used for sealing the interfaces between the upper sliding plate (2) and the middle sliding plate (3) and between the lower sliding plate (4) and the middle sliding plate (3) and preventing molten steel flowing through the water gap from being oxidized.
2. A three-slide plate sliding gate valve according to claim 1, wherein said sliding gate valve base plate (1) is bolted to the tundish gate valve bottom plate and comprises: the argon sealing device comprises a sliding water gap base plate body (1-1), an argon sealing channel A (1-2), an upper sliding plate mounting groove hole (1-3), an argon interface (1-4), a hydraulic cylinder mounting seat (1-5), an argon through hole (1-6) and a positioning pin hole (1-7);
the sliding water gap base plate body (1-1) is a steel workpiece, an upper sliding plate mounting groove hole (1-3) for placing an upper sliding plate (2) is processed on the sliding water gap base plate body, and the sliding water gap base plate body (1-1) is closed on a tundish water gap bottom plate through 4 bolts;
after the center in the upper sliding plate mounting groove hole (1-3) is processed, a transverse through hole of an argon through hole (1-6) behind the mounting groove hole (1-3) is processed;
two ends of the argon through hole (1-6) are respectively drilled through with a longitudinal through hole of an argon sealing channel A (1-2) arranged at the left end of the sliding water gap base plate body (1-1) and communicated with an argon interface (1-4) at the upper part of the right end;
the argon interface (1-4) is externally connected with an argon source;
the right end part of the sliding water gap base plate body (1-1) is provided with a hydraulic cylinder mounting seat (1-5) for mounting a hydraulic cylinder (7) with a displacement sensor;
the inner side of the sliding water gap base plate body (1-1) is provided with a positioning pin hole (1-7) for connecting and positioning with a lower sliding plate frame (5).
3. A three-slide sliding gate valve according to claim 1, wherein said upper slide (2) comprises: the device comprises a graphite sealing ring A (2-1), an upper sliding plate body (2-2), an argon sealing channel B (2-3), a water gap A (2-4) and an annular argon sealing groove A (2-5);
the upper sliding plate body (2-2) is formed by pressing a refractory material and a steel hoop, and is fired and shaped;
an argon gas sealing channel B (2-3) which is arranged opposite to the argon gas sealing channel A (1-2) is arranged on the upper sliding plate body (2-2);
the argon sealing channel B (2-3) is oppositely connected with the argon sealing channel A (1-2), a graphite sealing ring A (2-1) is installed for sealing, the argon sealing channel B (2-3) and the annular compressed air sealing groove A (2-5) on the bottom surface of the upper sliding plate (2) are filled with argon, and a sliding surface between the upper sliding plate (2) and the middle sliding plate (3) is sealed to prevent molten steel from being oxidized;
the upper water gap A (2-4) is compositely pressed on the upper sliding plate body (2-2) to form a whole;
the upper sliding plate body (2-2) and the water gap A (2-4) are compounded and pressed into a whole and are arranged concentrically with the upper sliding plate mounting slotted hole (1-3), and the water gap A (2-4) of the upper sliding plate body (2-2) is integrally communicated with the water gap of the tundish; the joint of the two is additionally provided with a heat-resistant mud seal;
an annular argon gas sealing groove A (2-5) is formed in the contact surface of the upper sliding plate body (2-2) and the middle sliding plate (3), and the annular argon gas sealing groove A (2-5) is communicated with the argon gas sealing channel B (2-3).
4. A three-slide sliding gate valve according to claim 1, wherein said intermediate slide (3) is formed by an intermediate slide body (3-1), a gate B (3-2) and an intermediate slide frame (3-3);
the main body of the middle sliding plate body (3-1) is made of refractory materials, a water gap B (3-2) concentric with the water gap A (2-4) is arranged in the middle of the middle sliding plate body, and the middle sliding plate body (3-1) and the water gap B (3-2) are compounded and pressed into a whole;
the outer part of the middle sliding plate body (3-1) is provided with a steel hoop which is pressed into a whole, then sintered and shaped and embedded in the middle sliding plate frame (3-3);
the head of the middle sliding plate frame (3-3) is connected with the end of a cylinder rod of a hydraulic cylinder (7) with a displacement sensor to drive the middle sliding plate (3) to slide between the upper sliding plate (2) and the lower sliding plate (4).
5. A three-slide sliding gate valve according to claim 4, wherein said lower slide (4) comprises: the device comprises an argon sealing channel C (4-1), a graphite sealing ring B (4-2), a lower sliding plate body (4-3), a heat insulation layer (4-4), a lower sliding plate outer shell (4-5), a water gap C (4-6) and an annular argon sealing groove B (4-7);
the main body of the lower sliding plate body (4-3) is made of refractory materials, and the middle part of the lower sliding plate body is provided with a water gap C (4-6) concentric with the water gap B (3-2); the lower sliding plate body (4-3) and the water gap C (4-6) are compounded and pressed into a whole;
a complex body formed by the lower sliding plate body (4-3) and the water port C (4-6) is communicated with a water port of the shunt tank, and heat-resistant mud is additionally arranged between the lower sliding plate body and the water port C for sealing;
the lower sliding plate body (4-3) is embedded into the lower sliding plate outer shell (4-5) and is provided with an argon gas sealing channel C (4-1);
a graphite sealing ring B (4-2) is arranged at the joint of the lower sliding plate body (4-3) and an argon sealing channel C (4-1) of the lower sliding plate outer shell (4-5);
an insulating layer (4-4) is arranged between the lower sliding plate body (4-3) and the lower sliding plate outer shell (4-5);
an annular argon sealing groove B (4-7) is formed in the contact surface of the lower sliding plate body (4-3) and the middle sliding plate (3); the annular argon gas sealing groove B (4-7) is communicated with the argon gas sealing channel C (4-1);
the outer shell (4-5) of the lower sliding plate is a steel workpiece, and an annular groove is processed on the outer surface of the outer shell and used for being embedded with a connecting flange (6).
6. A three-slide sliding gate valve according to claim 1, wherein the lower slide frame (5) comprises: the device comprises a positioning pin (5-1), a lower sliding plate frame body (5-2), a cooling air interface (5-3), an argon sealing gasket (5-4), an argon sealing channel D (5-5), a cooling air channel (5-6) and a lower sliding plate mounting hole (5-7);
the inner side of the lower sliding plate frame body (5-2) is provided with a lower sliding plate mounting surface for assembling a lower sliding plate (4);
an argon sealing channel D (5-5) corresponding to the argon sealing channel C (4-1) is arranged on the lower sliding plate mounting surface, and an argon sealing gasket (5-4) is arranged on the joint surface of the argon sealing channel D (5-5) and the argon sealing channel C (4-1);
a cooling air channel (5-6) is arranged on the lower sliding plate frame body (5-2), and a cooling air interface (5-3) is welded at the inlet of the cooling air channel (5-6) and used for respectively cooling the four clamping spring groups (10) and connecting a cooling lower sliding plate air pipe (8) for cooling the lower sliding plate outer shell (4-5);
two positioning pins (5-1) are arranged on the inner side of the lower sliding plate frame body (5-2); a positioning pin (5-1) is used for central positioning and is inserted into a positioning pin hole (1-7) arranged on the inner side of the sliding gate base plate body (1-2); a positioning pin (5-1) is inserted into a long hole of the base plate body (1-2) of the sliding water gap and is used for preventing rotation and positioning;
the lower sliding plate frame body (5-2) is provided with a lower sliding plate mounting hole (5-7) for mounting the lower sliding plate (4).
7. A three-slide sliding gate valve as claimed in claim 5, wherein said connecting flange (6) comprises: a left flange (6-1) and a right flange (6-2);
the left flange (6-1) and the right flange (6-2) are combined into a whole through bolts and embedded in a groove of the lower sliding plate outer shell (4-5);
the connecting flange (6) is connected to an external water gap or a shunt tank through bolts.
8. A three-slide sliding gate valve according to claim 4, wherein said hydraulic cylinder (7) with displacement sensor comprises: the hydraulic cylinder comprises a displacement sensor hydraulic cylinder body (7-1), a hydraulic cylinder connector (7-2), a gasket (7-3) and a tightening nut (7-4);
the displacement sensor hydraulic cylinder body (7-1) is combined on the hydraulic cylinder mounting seat (1-5);
the hydraulic cylinder connector (7-2) is arranged at the head of a cylinder rod of the hydraulic cylinder body (7-1) of the displacement sensor through a gasket (7-3) and a tightening nut (7-4) and is connected with a gap at the tail part of the middle sliding plate frame (3-3);
the hydraulic cylinder (7) with the displacement sensor drives the middle sliding plate (3) to move smoothly, the opening degree of the water gap is adjusted, and the flow of molten steel is controlled.
9. A three-slide plate sliding gate valve as claimed in claim 1 wherein said air cooling system comprises: a cooling air interface (5-3), a cooling air channel (5-6) and a cooling lower slide plate air pipe (8);
the cooling air interface (5-3) is welded on the lower sliding plate frame body (5-2) and is connected with the cooling air channel (5-6);
the cooling air channel (5-6) is drilled with communication holes in the lower sliding plate frame body (5-2) and respectively communicated to the bases of 4 clamping spring groups (10) for cooling the clamping spring groups (10);
one end of the cooling lower sliding plate air pipe (8) is connected with the cooling air channel (5-6), and the other end is provided with at least two nozzles for cooling the lower sliding plate (4).
10. A three-slide plate sliding gate valve as claimed in claim 1, wherein said argon gas sealing system comprises: the argon sealing device comprises argon interfaces (1-4), argon through holes (1-6), an argon sealing channel A (1-2), an argon sealing channel B (2-3), an annular argon sealing groove A (2-5), an argon sealing channel C (4-1), an annular argon sealing groove B (4-7), an argon sealing channel D (5-5) and an argon sealing connecting hose (9);
the external argon is connected with an argon interface (1-4) and enters an annular argon sealing groove A (2-5) through an argon channel (1-6), an argon sealing channel A (1-2) and an argon sealing channel B (2-3) to seal the interface between the upper sliding plate (2) and the middle sliding plate (3) so as to prevent molten steel flowing through a water gap from being oxidized;
one end of the argon sealing connecting hose (9) is connected with an argon sealing channel A (1-2) of the sliding water gap base plate body (1-1), and the other end of the argon sealing connecting hose is connected with an argon sealing channel D (5-5) on the lower sliding plate frame body (5-2); argon is introduced into the lower sliding frame body (5-2) from the sliding water gap base plate body (1-1) and enters the annular air compression sealing groove B (4-7) through the argon sealing channel C (4-1), and the interface between the lower sliding plate (4) and the middle sliding plate (3) is sealed, so that molten steel flowing through the water gap is prevented from being oxidized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111370947.8A CN114042903A (en) | 2021-11-18 | 2021-11-18 | Three slide plate sliding gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111370947.8A CN114042903A (en) | 2021-11-18 | 2021-11-18 | Three slide plate sliding gate |
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| Publication Number | Publication Date |
|---|---|
| CN114042903A true CN114042903A (en) | 2022-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111370947.8A Pending CN114042903A (en) | 2021-11-18 | 2021-11-18 | Three slide plate sliding gate |
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| CN (1) | CN114042903A (en) |
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| EP0577834A1 (en) * | 1991-03-29 | 1994-01-12 | Shinagawa Refractories Co., Ltd. | Plate brick cartridge for slide valve device and slide valve device using the cartridge |
| JPH08290250A (en) * | 1995-04-20 | 1996-11-05 | Daido Steel Co Ltd | Tundish nozzle device and method for continuously casting free cutting steel using it |
| CN1189791A (en) * | 1995-07-03 | 1998-08-05 | 维苏威乌斯法国公司 | Internal nozzle/plate assembly comprising a weakened portion |
| CN2560456Y (en) * | 2002-08-14 | 2003-07-16 | 刘悦钦 | Pouring basket sliding water gap mechanism with rapid changing immersion lower water gap |
| CN2865931Y (en) * | 2006-01-18 | 2007-02-07 | 宝山钢铁股份有限公司 | Agron sealing device adapted to pouring basket sliding plate |
| CN102310194A (en) * | 2011-03-09 | 2012-01-11 | 维苏威高级陶瓷(苏州)有限公司 | Tundish flow control quick change mechanism for large-sized crystallizer |
| CN102601351A (en) * | 2011-12-22 | 2012-07-25 | 中信重工机械股份有限公司 | Vacuum pouring device for steel ingots without tundishes and pouring method of vacuum pouring device |
| CN202367196U (en) * | 2011-12-16 | 2012-08-08 | 宝山钢铁股份有限公司 | Continuous casting slide gate nozzle |
-
2021
- 2021-11-18 CN CN202111370947.8A patent/CN114042903A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0577834A1 (en) * | 1991-03-29 | 1994-01-12 | Shinagawa Refractories Co., Ltd. | Plate brick cartridge for slide valve device and slide valve device using the cartridge |
| JPH08290250A (en) * | 1995-04-20 | 1996-11-05 | Daido Steel Co Ltd | Tundish nozzle device and method for continuously casting free cutting steel using it |
| CN1189791A (en) * | 1995-07-03 | 1998-08-05 | 维苏威乌斯法国公司 | Internal nozzle/plate assembly comprising a weakened portion |
| CN2560456Y (en) * | 2002-08-14 | 2003-07-16 | 刘悦钦 | Pouring basket sliding water gap mechanism with rapid changing immersion lower water gap |
| CN2865931Y (en) * | 2006-01-18 | 2007-02-07 | 宝山钢铁股份有限公司 | Agron sealing device adapted to pouring basket sliding plate |
| CN102310194A (en) * | 2011-03-09 | 2012-01-11 | 维苏威高级陶瓷(苏州)有限公司 | Tundish flow control quick change mechanism for large-sized crystallizer |
| CN202367196U (en) * | 2011-12-16 | 2012-08-08 | 宝山钢铁股份有限公司 | Continuous casting slide gate nozzle |
| CN102601351A (en) * | 2011-12-22 | 2012-07-25 | 中信重工机械股份有限公司 | Vacuum pouring device for steel ingots without tundishes and pouring method of vacuum pouring device |
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Application publication date: 20220215 |