CN113751678A - Production process and processing equipment of high-strength heavy steel - Google Patents
Production process and processing equipment of high-strength heavy steel Download PDFInfo
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- CN113751678A CN113751678A CN202111051748.0A CN202111051748A CN113751678A CN 113751678 A CN113751678 A CN 113751678A CN 202111051748 A CN202111051748 A CN 202111051748A CN 113751678 A CN113751678 A CN 113751678A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/055—Cooling the moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
- B22D11/1246—Nozzles; Spray heads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/16—Controlling or regulating processes or operations
- B22D11/22—Controlling or regulating processes or operations for cooling cast stock or mould
- B22D11/225—Controlling or regulating processes or operations for cooling cast stock or mould for secondary cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The invention relates to the field of steel products, in particular to a production process and processing equipment of high-strength heavy steel; through the radiation heating mode, half of energy can be saved, meanwhile, in the cooling process, in order to more uniformly and rapidly reduce the heat of the steel billet, the rotating spray column is arranged at the bottom of the secondary cooling spray nozzle, so that the cooling water is ensured to be uniformly sprayed, and meanwhile, if foreign matters appear in the spray holes, the secondary cooling spray nozzle can be timely and reversely cleaned, so that the long-term stable cooling work of the secondary cooling spray nozzle is ensured; meanwhile, the processing equipment comprises a motor, a secondary cold spray nozzle body and a spray column, wherein the bottom of the secondary cold spray nozzle body is fixedly connected with a fixed block; the inner part of the fixed block is rotatably connected with a spray column; the double-cold spray nozzle has the advantages that the double-cold spray nozzle can spray uniformly and automatically reversely by rotating the adjusting mode, the spray holes are guaranteed to be always in a smooth state, the service life of the double-cold spray nozzle is greatly prolonged, and the double-cold spray nozzle located in the double-cold area can have a uniform spray cooling effect.
Description
Technical Field
The invention relates to the field of steel products, in particular to a production process and processing equipment of high-strength heavy steel.
Background
The metal is smelted into liquid meeting certain requirements and poured into a casting mould, and a casting with a preset shape, size and performance is obtained after cooling, solidification and cleaning treatment.
According to the CN108193132A heavy steel and the production process thereof, the steel billet prepared by the method has higher hardness, higher polishing performance and processing performance, more uniform metallographic structure, flat cutting surface, more consistent cutting length and energy consumption saving.
Meanwhile, according to the CN109202052A steel ladle rapid cooling device, the steel ladle rapid cooling device is reasonable in structural design, is a brand-new designed product, achieves cold and hot air exchange by rapidly injecting air into the bottom of a steel ladle, and shortens the steel ladle cooling time; and the cooling work is efficient, stable and reliable, the structure is simple, and the cost is low.
However, in the prior art, in the traditional steel production process, materials such as steel ingots and the like can be directly thrown into a furnace and can be directly placed on open fire for heating, and although the process can ensure the quality of steel parts, the problem of waste of certain heat in the process of heating by fire is solved.
Therefore, the invention provides a production process and processing equipment of high-strength heavy steel.
Disclosure of Invention
In order to solve the problem that materials such as steel ingots and the like can be directly thrown into a furnace and can be directly placed on open fire for heating in the traditional steel production process in the prior art, although the process can ensure the quality of steel parts, the problem that certain heat is wasted in the process of heating by fire is solved, the invention provides a high-strength heavy steel production process and processing equipment thereof.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a production process of high-strength heavy steel, which comprises the following steps:
s1: firstly, a smelting furnace is subjected to radiation heating through a columnar matrix of sponge internally attached with ceramic, gas is combusted in porous ceramic sponge and is radiated to the surface of a processed steel ingot through a matrix material, and then molten steel is poured into a steel ladle;
s2: then opening an opening at the bottom of the steel ladle, enabling the molten steel to flow out of the interior of the steel ladle, flow through the tundish and finally flow into the crystallizer, performing forced water cooling through the crystallizer, and solidifying the interior molten steel outside under the cooling action of the crystallizer to form molten steel in a state of being wrapped by an outer steel shell, so as to obtain an initial steel billet;
s3: secondly, pulling the initial steel billet out of the crystallizer integrally, guiding the steel billet into a secondary cooling area, continuously spraying condensed water through a secondary cooling spray head in the secondary cooling area, further cooling the steel billet, and meanwhile, controlling and rotating a spray column at the bottom of the secondary cooling spray head in the process so that cooling water can flow forwards or backwards through spray holes in the surface of the spray column to ensure a uniform spraying state, and obtaining a finished steel billet after the steel billet is cooled; in the traditional steel production process, materials such as steel ingots and the like can be directly thrown into a furnace and can be directly placed on open fire for heating, although the process can ensure the quality of steel parts, the waste of certain heat can be caused by fire heating.
A kind of high strength heavy steel processing equipment, this processing equipment is suitable for the above-mentioned high strength heavy steel production technology, including electrical machinery, two cold spray nozzle bodies and spray columns; the bottom of the secondary cooling spray head body is fixedly connected with a fixed block; the inner part of the fixed block is rotatably connected with a spray column; a first gear is fixedly connected to one side face of the spray column; a motor is arranged at the top of the first gear and is fixedly connected with the top of the second cooling area; the output shaft of the motor is fixedly connected with a second gear; a chain is connected between the second gear and the first gear; the surface of the spray column is provided with uniformly arranged spray holes; when the spray post works normally, high-pressure cooling liquid led out by the secondary cooling spray head body is led into the spray post through the spray holes at the top position and is quickly sprayed out through the spray holes at the bottom position of the spray post, normal uniform spray cooling operation of a secondary cooling area is guaranteed, meanwhile, the motor can drive the second gear to rotate by controlling the rotation of the motor, the second gear can drive the first gear to rotate through the chain, the spray post can be driven to rotate through the first gear, so that the spray holes at the bottom of the spray post are rotated to the top position of the spray post, the spray holes at the top position of the spray post can be synchronously rotated to the bottom position of the spray post, after the spray post is used for a long time, oxide skin residues on the surface of a billet are easily adhered to the surface of the spray holes at the bottom, the shape of the spray holes is influenced, even the spray holes are blocked, uniform cooling of the secondary cooling area is influenced, and the spray holes at the bottom position for a long time are reversely washed through rotation regulation, the invention effectively realizes the uniform injection of the secondary cooling spray nozzle, simultaneously realizes automatic reverse flushing in a rotation adjusting mode, ensures that the spray hole is always in a smooth state, greatly prolongs the service life of the secondary cooling spray nozzle, and ensures that the secondary cooling spray nozzle positioned in a secondary cooling area has a more uniform injection cooling effect after being used for a long time.
Preferably, a filter screen is fixedly connected inside the spray hole; elastic pieces are arranged inside the spray holes; a pair of elastic pieces is arranged in each spray hole, and the corresponding elastic pieces are symmetrically arranged; the top surface of the elastic sheet is designed into an inclined surface structure; through holes are formed in the surface of the filter screen and close to the two sides of the filter screen; guide holes are formed in the surface of the elastic sheet at positions corresponding to the tops of the through holes; the insides of the guide holes are fixedly connected with one-way valves; the surface of the spray column is rotatably connected with a guide ring; the surface of the guide ring is connected with a calandria; the during operation, through setting up filter screen and shell fragment, when the high-pressure coolant liquid is derived to the bottom orifice, the coolant liquid can extrude the shell fragment, make the shell fragment warp, and then the shell fragment of laminating each other can deviate from the motion mutually, the orifice is automatic to be opened this moment, the fluid can filter and spout through the filter screen, accomplish after spraying or when this orifice rotates the top position, the automatic elasticity of shell fragment resets, the inside opening between two shell fragments of orifice is closed, the in-process that the shell fragment was closed, can clear up the filtration impurity on filter screen surface automatically, the coolant liquid can be through the reverse inflow spray column of guide hole this moment, and the orifice of bottom position can take over to carry out the injection work this moment, wash through the coolant liquid, make the impurity substance all collect in the inside of spray column, open through the control calandria, can realize the clearance to the impurity substance with the automation, guarantee the long-time use of spray column.
Preferably, the bottom of the elastic sheet is of a splicing structure with a plurality of cambered surfaces; a cavity structure is formed between the two corresponding elastic sheets at the bottom of the filter screen; a pair of sliding blocks is arranged between the two elastic sheets; the bottom of the sliding block is fixedly connected with a spray head, and the spray head is communicated with the top cavity space of the sliding block through a pipeline; the during operation sets up the slider through the bottom position that is close to the shell fragment between the shell fragment, and the bottom of slider sets up the shower nozzle, and when the shell fragment was opened, the coolant liquid can be through the shower nozzle blowout, sprays through the shower nozzle, more is favorable to the homogeneity that sprays, accomplishes simultaneously and sprays the back, through the elastic deformation of shell fragment, can carry out sealed parcel protection to the shower nozzle voluntarily, guarantees that the shower nozzle keeps apart with external world completely, under the effect through the shell fragment, during shower nozzle operating condition, can reduce the surface that foreign matter adheres to the shower nozzle.
Preferably, the position, close to the top of the elastic sheet, inside the spray hole is fixedly connected with a first guide block; the side surface of the spray hole is provided with a first guide groove, and the first guide blocks are connected inside the first guide groove in a sliding manner; the first guide block is fixedly connected with the side surface of the corresponding spray hole by an elastic piece; a support plate is fixedly connected inside the spray hole, and the support plate is fixedly connected with the elastic sheet; the side surfaces of the two opposite sides of the elastic pieces are respectively provided with a second guide groove, and the second guide grooves are communicated with the interiors of the corresponding first guide grooves through pipelines; the inner parts of the second guide grooves are respectively connected with second guide blocks in a sliding manner, and the second guide blocks are respectively fixedly connected with corresponding spray heads; during operation, through setting up first guide block and second guide block, when the shell fragment received the extrusion of coolant liquid, the shell fragment can slide adjusting, the shell fragment and then can drive and correspond first guide block and remove, first guide block is automatic to be gone into and corresponds first guide slot in, make the inside hydraulic oil of first guide slot enter into the inside of second guide slot, make the inside second guide block of second guide slot derive, because second guide block is fixed with the shower nozzle, can make the bottom position that is close to the shell fragment between the shell fragment open automatically this moment, when avoiding the shower nozzle spray regime, the influence that the shell fragment jetted to the shower nozzle.
Preferably, a fixing column is fixedly connected inside the fixing block, and one end of the fixing column extends into the spraying column; the surfaces of the fixed columns are provided with adsorption strips which are uniformly distributed; the during operation, through setting up the fixed column, set up the adsorption strip of evenly arranging through the surface of fixed column, the surface of adsorption strip is the design of porous cotton adsorption material, and when spouting the inside of post and accumulating a large amount of impurity, cotton material can play the adsorption, increases and spouts the single live time cycle of post.
Preferably, the surface of the fixed column is provided with first moving grooves which are uniformly distributed; the inner parts of the first moving grooves are connected with first moving blocks in a sliding manner; the first moving block and the inner part corresponding to the first moving groove are fixedly connected with a first spring; the surface of the moving block is fixedly connected with a scraper; the inner surface of the spray column is fixedly connected with a guide disc; a guide hole is formed in the guide disc; the inner surface of the guide hole is designed into a uniform semi-circular arc combined structure; during operation, through setting up first movable block, when spouting the post and rotate, relative rotation between the fixed column and the internal surface of spouting the post, and then the scraper blade on fixed column surface also can with spout relative motion between the internal surface of post, can strike off the adhesion impurity of spouting post internal surface through the scraper blade, guarantee to spout the internal surface of post clean for a long time.
Preferably, the side surface of the scraper is provided with a second moving groove, and the second moving groove is communicated with the corresponding first moving groove; the inner parts of the second moving grooves are connected with second moving blocks in a sliding mode; a second spring is fixedly connected between the second moving block and the bottom of the second moving groove; the surfaces of the second moving blocks are provided with adsorption strips; during operation, through setting up the second movable block, the scraper blade is when the inside relative motion of spray column, because the inside positioning disk effect of spray column, can make the continuous regulation of scraper blade remove, the scraper blade can drive first movable block and remove in the inside that corresponds first shifting chute, make the inside of the second shifting chute of impressing repeatedly of the hydraulic oil of first shifting chute inside, make the concertina movement of the second movable block of second shifting chute inside, the second movable block can drive the automatic derivation of adsorption strip and adduction motion, when the inside of income second shifting chute in the adsorption strip, the adsorption strip is owing to receive the extrusion, can make the impurity sewage discharge of adsorption strip surface adhesion, when the inside of spray column carries out the blowdown, can be convenient for clear up the adsorption strip in step.
Preferably, the adsorption strip comprises an inner membrane and an adsorption membrane; the inner membrane is designed to be an elastic structure; connecting holes are formed in the surfaces of the second moving blocks and are communicated with an inner sealed space enclosed by the inner membranes; the surfaces of the inner membranes are attached with adsorption membranes; during operation, through setting up the inner membrance and adsorbing the membrane, the sealed effect of inner membrance, during the oil pressure was used, can promote automatically that the adsorption strip derives fast, the inside of income second shifting chute in also can be quick simultaneously to when the adsorption strip derives, receive the oil pressure effect and produce the inflation of a small margin, make the contact cooling water that the adsorption membrane can bigger area, improve the adsorption effect.
Preferably, the positions, close to the guide disc, inside the spray columns are fixedly connected with fixing rings; the inner surface of the fixing ring is fixedly connected with a guide block; the guide block is designed into a half-moon-shaped structure; a vibration ball is arranged inside the fixing ring; during operation, through setting up solid fixed ring, when the spray column rotates, the spray column can drive solid fixed ring and rotate, and solid fixed ring can drive the guide block and rotate, and the inside of guide ring sets up the vibrations ball simultaneously, and the vibrations ball can receive the guide effect of guide block, strikes solid fixed ring's internal surface repeatedly, and then makes the internal surface vibrations of spray column, promotes droing of post internal surface adhesion foreign matter, when the blowdown, improves the cleaning performance to spray column inside.
The invention has the advantages that:
1. the invention can save half energy by a radiation heating mode, and simultaneously, in the cooling process, in order to more uniformly and rapidly reduce the heat of the steel billet, the rotating spray column is arranged at the bottom of the secondary cooling spray nozzle, so that the uniform spraying of cooling water is ensured, and meanwhile, if foreign matters appear in the spray holes, the reverse cleaning can be timely carried out, so that the long-term stable cooling work of the secondary cooling spray nozzle is ensured.
2. According to the invention, the motor, the secondary cooling spray head body and the spray post are arranged, the spray post is driven to rotate by the motor, so that uniform spraying of the secondary cooling spray head is effectively realized, meanwhile, automatic reverse flushing is realized by a rotation adjusting mode, the spray hole is ensured to be always in a smooth state, the service life of the secondary cooling spray head is greatly prolonged, and the secondary cooling spray head positioned in a secondary cooling area has a relatively uniform spraying and cooling effect after long-time use.
3. According to the invention, through arranging the elastic sheet and the filter screen, when high-pressure cooling liquid is led out from the bottom spray hole, the cooling liquid can extrude the elastic sheet to deform the elastic sheet, so that the mutually attached elastic sheets can move away from each other, the spray hole is automatically opened at the moment, fluid can be filtered and sprayed out through the filter screen, after spraying is completed or the spray hole rotates to the top position, the elastic sheet automatically elastically resets, an opening between the two elastic sheets in the spray hole is closed, filtering impurities on the surface of the filter screen can be automatically cleaned in the closing process of the elastic sheet, the cooling liquid can reversely flow into the spray column through the guide hole at the moment, the spray hole at the bottom position can be used for carrying out spraying work instead, all impurities are collected in the spray column through flushing of the cooling liquid, the cleaning of the impurities can be automatically realized through controlling the discharge pipe to be opened, and the long-time use of the spray column is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a process flow diagram of the present invention
FIG. 2 is a perspective view of the processing apparatus of the present invention;
FIG. 3 is a cross-sectional view of the processing apparatus of the present invention;
FIG. 4 is a partial cross-sectional view of a spray column of the present invention;
FIG. 5 is a schematic structural view of the elastic sheet and the filter screen of the present invention;
FIG. 6 is a schematic view of the structure of the scraper and the adsorption strip of the present invention;
FIG. 7 is a schematic structural diagram of a vibration ball of the present invention.
In the figure: the spray nozzle comprises a motor 1, a second cold spray nozzle body 2, a spray column 3, a fixed block 4, a first gear 5, a second gear 6, a chain 7, a spray hole 8, a filter screen 9, an elastic sheet 10, a through hole 11, a one-way valve 12, a guide ring 13, a discharge pipe 14, a sliding block 15, a spray nozzle 16, a first guide block 17, an elastic piece 18, a support plate 19, a second guide block 20, a fixed column 21, an adsorption strip 22, a first moving block 23, a first spring 24, a scraper 25, a guide disc 26, a second moving block 27, a second spring 28, an inner membrane 29, an adsorption membrane 30, a fixed ring 31, a guide block 32 and a vibration ball 33.
Detailed Description
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. 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.
A production process of high-strength heavy steel comprises the following steps:
s1: firstly, a smelting furnace is subjected to radiation heating through a columnar matrix of sponge internally attached with ceramic, gas is combusted in porous ceramic sponge and is radiated to the surface of a processed steel ingot through a matrix material, and then molten steel is poured into a steel ladle;
s2: then opening an opening at the bottom of the steel ladle, enabling the molten steel to flow out of the interior of the steel ladle, flow through the tundish and finally flow into the crystallizer, performing forced water cooling through the crystallizer, and solidifying the interior molten steel outside under the cooling action of the crystallizer to form molten steel in a state of being wrapped by an outer steel shell, so as to obtain an initial steel billet;
s3: secondly, pulling the initial steel billet out of the crystallizer integrally, guiding the steel billet into a secondary cooling area, continuously spraying condensed water through a secondary cooling spray head in the secondary cooling area, further cooling the steel billet, and meanwhile, controlling and rotating a spray post 3 at the bottom of the secondary cooling spray head in the process so that cooling water can flow forwards or backwards through spray holes 8 in the surface of the spray post 3 to ensure a uniform spraying state, and obtaining a finished steel billet after the steel billet is cooled; in the traditional steel production process, materials such as steel ingots and the like can be directly thrown into a furnace and can be directly placed on open fire for heating, although the process can ensure the quality of steel parts, the waste of certain heat can be caused by fire heating.
Example one
Referring to fig. 2-6, a high-strength heavy steel processing device, which is suitable for the high-strength heavy steel production process, includes a motor 1, a secondary cold spray head body 2 and a spray column 3; the bottom of the secondary cooling spray head body 2 is fixedly connected with a fixed block 4; the inner part of the fixed block 4 is rotatably connected with a spray post 3; a first gear 5 is fixedly connected to one side surface of the spray column 3; the top of the first gear 5 is provided with a motor 1, and the motor 1 is fixedly connected with the top of the second cold area; the output shaft of the motor 1 is fixedly connected with a second gear 6; a chain 7 is connected between the second gear 6 and the first gear 5; the surface of the spray column 3 is provided with uniformly arranged spray holes 8; during operation, during normal operation, high-pressure cooling liquid led out from the secondary cooling nozzle body 2 can be led into the spray post 3 through the spray hole 8 at the top position and then quickly sprayed out through the spray hole 8 at the bottom position of the spray post 3, so that normal uniform spray cooling operation of a secondary cooling area is ensured, meanwhile, the motor 1 is controlled to rotate, the motor 1 can drive the second gear 6 to rotate, the second gear 6 can drive the first gear 5 to rotate through the chain 7, the spray post 3 can be driven to rotate through the first gear 5, so that the spray hole 8 at the bottom of the spray post 3 is rotated to the top position of the spray post 3, the spray hole 8 at the top position of the spray post 3 can synchronously rotate to the bottom position of the spray post 3, after the spray post 3 is used for a long time, scale residue on the surface of a billet is easily adhered to the surface of the spray hole 8 at the bottom, the shape of the spray hole 8 is affected, even the spray hole 8 is blocked, and uniform cooling of the secondary cooling area is affected, through the rotation adjustment, the spray holes 8 in the bottom position for a long time are reversely flushed, the uniform spraying of the secondary cooling spray heads is effectively realized, meanwhile, through the rotation adjustment mode, the automatic reverse flushing is realized, the spray holes 8 are always in a smooth state, the service life of the secondary cooling spray heads is greatly prolonged, and the secondary cooling spray heads in the secondary cooling area have a uniform spraying and cooling effect after being used for a long time.
A filter screen 9 is fixedly connected inside the spray hole 8; the inner parts of the spray holes 8 are provided with elastic sheets 10; a pair of elastic sheets 10 is arranged in each spray hole 8, and the corresponding elastic sheets 10 are symmetrically arranged; the top surface of the elastic sheet 10 is designed to be an inclined surface structure; through holes 11 are formed in the surface of the filter screen 9 and close to the two sides of the filter screen 9; guide holes are formed in the surface of the elastic sheet 10 corresponding to the top of the through hole 11; the insides of the guide holes are fixedly connected with one-way valves 12; the surface of the spray column 3 is rotatably connected with a guide ring 13; the surface of the guide ring 13 is connected with a calandria 14; when the spraying device works, by arranging the filter screen 9 and the elastic sheet 10, when the bottom spray hole 8 leads out high-pressure cooling liquid, the cooling liquid can extrude the elastic sheet 10 to deform the elastic sheet 10, the elastic sheets 10 which are mutually attached move away from each other, at the moment, the spray hole 8 is automatically opened, fluid can be filtered and sprayed out through the filter screen 9, after the spraying is finished or the spray hole 8 rotates to the top position, the elastic sheet 10 automatically and elastically resets, an opening between the two elastic sheets 10 in the spray hole 8 is closed, in the closing process of the elastic sheet 10, filtering impurities on the surface of the filter screen 9 can be automatically cleaned, at the moment, the cooling liquid can reversely flow into the spray column 3 through the guide hole, at the moment, the spray hole 8 at the bottom position can be used for spraying, all impurities can be collected in the spray column 3 through the washing of the cooling liquid, the impurities can be automatically cleaned by controlling the opening of the discharge pipe 14, ensuring the long-term use of the spray column 3.
The bottom of the elastic sheet 10 is of a plurality of cambered surface splicing structures; a cavity structure is formed between the two corresponding elastic sheets 10 at the bottom of the filter screen 9; a pair of sliding blocks 15 is arranged between the two elastic sheets 10; the bottom of the sliding block 15 is fixedly connected with a spray head 16, and the spray head 16 is communicated with the top cavity space of the sliding block 15 through a pipeline; during operation, bottom position through being close to shell fragment 10 between shell fragment 10 sets up slider 15, slider 15's bottom sets up shower nozzle 16, when shell fragment 10 opens, the coolant liquid can be through 16 blowout of shower nozzle, spray through shower nozzle 16, more be favorable to the homogeneity that sprays, accomplish simultaneously and spray the back, elastic deformation through shell fragment 10, can seal up the parcel protection to shower nozzle 16 automatically, guarantee that shower nozzle 16 keeps apart with external world completely, under the effect through shell fragment 10, during 16 operating condition of shower nozzle, can reduce the surface that the foreign matter adheres to shower nozzle 16.
A first guide block 17 is fixedly connected to the position, close to the top of the elastic sheet 10, in the spray hole 8; a first guide groove is formed in the side surface of the spray hole 8, and the first guide blocks 17 are connected to the inside of the first guide groove in a sliding mode; the first guide block 17 is fixedly connected with the side surface of the corresponding spray hole 8 by an elastic part 18; a support plate 19 is fixedly connected inside the spray hole 8, and the support plate 19 is fixedly connected with the elastic sheet 10; the side surfaces of the two opposite sides of the elastic sheets 10 are respectively provided with a second guide groove, and the second guide grooves are communicated with the interiors of the corresponding first guide grooves through pipelines; the inner parts of the second guide grooves are respectively connected with a second guide block 20 in a sliding manner, and the second guide blocks 20 are respectively fixedly connected with the corresponding spray heads 16; during operation, through setting up first guide block 17 and second guide block 20, when shell fragment 10 received the extrusion of coolant liquid, shell fragment 10 can slide adjusting, shell fragment 10 then can drive and correspond first guide block 17 and remove, first guide block 17 is automatic to be taken in and corresponds first guide slot, make the inside hydraulic oil of first guide slot enter into the inside of second guide slot, make the inside second guide block 20 of second guide slot derive, because second guide block 20 is fixed with shower nozzle 16, can make the bottom position that is close to shell fragment 10 between the shell fragment 10 open voluntarily this moment, when avoiding shower nozzle 16 to spray the state, shell fragment 10 is to the influence that shower nozzle 16 sprays.
A fixed column 21 is fixedly connected inside the fixed block 4, and one end of the fixed column 21 extends into the spraying column 3; the surfaces of the fixed columns 21 are provided with adsorption strips 22 which are uniformly distributed; the during operation, through setting up fixed column 21, through the surface setting adsorption strip 22 of fixed column 21 evenly arranging, the surface of adsorption strip 22 is the design of porous cotton adsorption material, and when spouting the inside accumulation of post 3 a large amount of impurity, cotton material can play the adsorption, increases and spouts 3 single live time periods of post.
First moving grooves which are uniformly distributed are formed in the surface of the fixed column 21; the inner parts of the first moving grooves are connected with first moving blocks 23 in a sliding manner; the first moving block 23 and the inner part corresponding to the first moving groove are fixedly connected with a first spring 24; the surface of the moving block is fixedly connected with a scraper 25; the inner surface of the spray column 3 is fixedly connected with a guide disc 26; a guide hole is formed in the guide disc 26; the inner surface of the guide hole is designed into a uniform semi-circular arc combined structure; during operation, through setting up first movable block 23, when spouting post 3 and rotating, relative rotation between the internal surface of fixed column 21 and spouting post 3, and then the scraper blade 25 on fixed column 21 surface also can with spout relative motion between the internal surface of post 3, can strike off the adhesion impurity of spouting post 3 internal surface through scraper blade 25, guarantee to spout the long-term cleanness of post 3's internal surface.
A second moving groove is formed in the side face of the scraper 25, and the second moving groove is communicated with the corresponding first moving groove; the inner parts of the second moving grooves are connected with second moving blocks 27 in a sliding manner; a second spring 28 is fixedly connected between the second moving block 27 and the bottom of the second moving groove; the surfaces of the second moving blocks 27 are provided with adsorption strips 22; during operation, through setting up second movable block 27, when the inside relative motion of scraper blade 25 at spray column 3, because the inside positioning disk 26 of spray column 3 acts on, can make the continuous regulation of scraper blade 25 remove, scraper blade 25 can drive first movable block 23 and remove in the inside that corresponds first shifting chute, make the inside hydraulic oil of first shifting chute impress the inside of second shifting chute repeatedly, make the concertina movement of the inside second movable block 27 of second shifting chute, second movable block 27 can drive adsorption strip 22 automatic derivation and adduction motion, when the inside of income second shifting chute in adsorption strip 22, adsorption strip 22 is owing to receiving the extrusion, can make the impurity sewage discharge of adsorption strip 22 surface adhesion, when the inside of spray column 3 carries out the blowdown, can be convenient for clear up adsorption strip 22 in step.
The adsorption strip 22 comprises an inner membrane 29 and an adsorption membrane 30; the inner membrane 29 is designed to be an elastic structure; connecting holes are formed in the surfaces of the second moving blocks 27 and are communicated with an inner sealed space enclosed by the inner membranes 29; an adsorption film 30 is attached to the surface of the inner film 29; during operation, through setting up inner membrance 29 and adsorption film 30, the sealed effect of inner membrance 29, during the oil pressure was used, can promote automatically that adsorption strip 22 derives fast, also can be fast interior income second moving groove's inside simultaneously to when adsorption strip 22 derives, receive the oil pressure effect and produce the expanding of a small margin, make adsorption film 30 contact cooling water that can bigger area, improve the adsorption effect.
Example two
Referring to fig. 7, the inner part of the spray column 3 is fixedly connected with a fixing ring 31 at a position close to the guide disc 26; the inner surface of the fixing ring 31 is fixedly connected with a guide block 32; the guide block 32 is designed to be of a half-moon-shaped structure; a vibration ball 33 is arranged in the fixing ring 31; the during operation, through setting up solid fixed ring 31, when spray column 3 rotates, spray column 3 can drive solid fixed ring 31 and rotate, gu fixed ring 31 can drive guide block 32 and rotate, the inside of guide ring sets up vibrations ball 33 simultaneously, vibrations ball 33 can receive the guide effect of guide block 32, strike solid fixed ring 31's internal surface repeatedly, and then make the internal surface vibrations of spray column 3, promote droing of 3 internal surface adhesion foreign matter of spray column, when the blowdown, improve the cleaning performance to 3 inside of spray column.
The working principle is that during normal work, high-pressure cooling liquid led out by the secondary cooling nozzle body 2 can be led into the spray post 3 through the spray hole 8 at the top position and then is quickly sprayed out through the spray hole 8 at the bottom position of the spray post 3, so that normal uniform spray cooling operation of a secondary cooling area is ensured, meanwhile, the motor 1 is controlled to rotate, the motor 1 can drive the second gear 6 to rotate, the second gear 6 can drive the first gear 5 to rotate through the chain 7, the spray post 3 can be driven to rotate through the first gear 5, so that the spray hole 8 at the bottom of the spray post 3 is rotated to the top position of the spray post 3, the spray hole 8 at the top position of the spray post 3 can synchronously rotate to the bottom position of the spray post 3, after the spray post 3 is used for a long time, oxide skin residues on the surface of a billet are easily adhered to the surface of the spray hole 8 at the bottom, influence the shape of the spray hole 8, even block up the spray hole 8, and influence uniform cooling of the secondary cooling area, through rotation adjustment, the spray holes 8 which are positioned at the bottom for a long time are reversely flushed; by arranging the filter screen 9 and the elastic sheet 10, when the high-pressure cooling liquid is led out from the bottom spray hole 8, the cooling liquid can extrude the elastic sheet 10 to deform the elastic sheet 10, and the elastic pieces 10 attached to each other move away from each other, at this time, the spray hole 8 is automatically opened, the fluid is filtered and sprayed out through the filter screen 9, after the spraying is finished or when the spray hole 8 rotates to the top position, the elastic sheets 10 automatically and elastically reset, the opening between the two elastic sheets 10 in the spray hole 8 is closed, and in the process of closing the elastic sheets 10, the impurities on the surface of the filter screen 9 can be automatically cleaned, and the cooling liquid can reversely flow into the spray column 3 through the guide hole, at the moment, the spray holes 8 at the bottom position can perform the spraying work instead, so that all the impurity substances are collected in the spray column 3 by the flushing of the cooling liquid, the cleaning of impurity substances can be automatically realized by controlling the opening of the discharge pipe 14, so that the long-time use of the spray column 3 is ensured; the sliding blocks 15 are arranged between the elastic sheets 10 and close to the bottoms of the elastic sheets 10, the spray heads 16 are arranged at the bottoms of the sliding blocks 15, when the elastic sheets 10 are opened, cooling liquid can be sprayed out through the spray heads 16 and sprayed through the spray heads 16, spraying uniformity is better facilitated, after spraying is completed, the spray heads 16 can be automatically sealed and wrapped and protected through elastic deformation of the elastic sheets 10, the spray heads 16 are completely isolated from the outside, and impurities can be reduced from being adhered to the surfaces of the spray heads 16 under the action of the elastic sheets 10 when the spray heads 16 are in a working state; by arranging the first guide block 17 and the second guide block 20, when the elastic sheet 10 is extruded by cooling liquid, the elastic sheet 10 can be adjusted in a sliding manner, the elastic sheet 10 can further drive the corresponding first guide block 17 to move, the first guide block 17 can automatically retract into the corresponding first guide groove, so that hydraulic oil in the first guide groove enters the second guide groove, the second guide block 20 in the second guide groove is led out, and the position between the elastic sheets 10, which is close to the bottom of the elastic sheet 10, can be automatically opened at the moment because the second guide block 20 is fixed with the spray head 16, so that the influence of the elastic sheet 10 on the spray of the spray head 16 when the spray head 16 is in a spray state is avoided; by arranging the fixing column 21, the fixing column 21 and the adsorption strips 22 which are uniformly arranged on the surface of the fixing column 21, the surface of the adsorption strip 22 is designed to be a porous cotton adsorption material, when a large amount of impurities are accumulated in the spraying column 3, the cotton material can play an adsorption role, and the single service life cycle of the spraying column 3 is prolonged; by arranging the first moving block 23, when the spray column 3 rotates, the fixed column 21 and the inner surface of the spray column 3 rotate relatively, and then the scraper 25 on the surface of the fixed column 21 and the inner surface of the spray column 3 also move relatively, so that the adhered impurities on the inner surface of the spray column 3 can be scraped by the scraper 25, and the inner surface of the spray column 3 is ensured to be clean for a long time; through the arrangement of the second moving block 27, when the scraper 25 moves relatively in the spraying column 3, due to the action of the guide disc 26 in the spraying column 3, the scraper 25 can continuously adjust and move, the scraper 25 can drive the first moving block 23 to move in the first moving groove, so that hydraulic oil in the first moving groove is repeatedly pressed into the second moving groove, the second moving block 27 in the second moving groove can stretch and retract, the second moving block 27 can drive the adsorption strip 22 to automatically guide out and retract, when the adsorption strip 22 is retracted into the second moving groove, the adsorption strip 22 is extruded, so that impurity sewage adhered to the surface of the adsorption strip 22 can be discharged, and when the inside of the spraying column 3 is subjected to pollution discharge, the adsorption strip 22 can be conveniently and synchronously cleaned; by arranging the inner membrane 29 and the adsorption membrane 30, the sealing effect of the inner membrane 29 can automatically promote the adsorption strips 22 to be quickly led out under the action of oil pressure, and can also be quickly and internally collected into the second moving groove, and when the adsorption strips 22 are led out, the adsorption strips are slightly expanded under the action of the oil pressure, so that the adsorption membrane 30 can contact cooling water in a larger area, and the adsorption effect is improved; through setting up solid fixed ring 31, when spray column 3 rotates, spray column 3 can drive solid fixed ring 31 and rotate, gu fixed ring 31 can drive guide block 32 and rotate, the inside of guide ring sets up vibrations ball 33 simultaneously, vibrations ball 33 can receive the guide effect of guide block 32, strike solid fixed ring 31's internal surface repeatedly, and then make the internal surface vibrations of spray column 3, promote droing of 3 internal surface adhesion foreign matter of spray column, when the blowdown, improve the cleaning performance to 3 inside of spray column.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A production process of high-strength heavy steel is characterized by comprising the following steps: the production process comprises the following steps:
s1: firstly, a smelting furnace is subjected to radiation heating through a columnar matrix of sponge internally attached with ceramic, gas is combusted in porous ceramic sponge and is radiated to the surface of a processed steel ingot through a matrix material, and then molten steel is poured into a steel ladle;
s2: then opening an opening at the bottom of the steel ladle, enabling the molten steel to flow out of the interior of the steel ladle, flow through the tundish and finally flow into the crystallizer, performing forced water cooling through the crystallizer, and solidifying the interior molten steel outside under the cooling action of the crystallizer to form molten steel in a state of being wrapped by an outer steel shell, so as to obtain an initial steel billet;
s3: and then integrally pulling the initial steel billet out of the crystallizer, guiding the steel billet into a secondary cooling area, continuously spraying condensed water through a secondary cooling spray head inside the secondary cooling area, further cooling the steel billet, and simultaneously controlling and rotating a spray post (3) at the bottom of the secondary cooling spray head in the process so that cooling water can flow forwards or backwards through spray holes (8) on the surface of the spray post (3) to ensure an even spraying state, and obtaining a finished steel billet after the steel billet is cooled.
2. The utility model provides a high strength heavy steel processing equipment which characterized in that: the processing equipment is suitable for the high-strength heavy steel production process in claim 1 and comprises a motor (1), a secondary cold spray head body (2) and a spray column (3); the bottom of the secondary cooling spray head body (2) is fixedly connected with a fixed block (4); the inner part of the fixed block (4) is rotatably connected with a spray post (3); a first gear (5) is fixedly connected to the side surface of one side of the spray column (3); the motor (1) is arranged at the top of the first gear (5), and the motor (1) is fixedly connected with the top of the second cold area; the output shaft of the motor (1) is fixedly connected with a second gear (6); a chain (7) is connected between the second gear (6) and the first gear (5); the surface of the spray column (3) is provided with uniformly arranged spray holes (8).
3. The high-strength heavy steel processing equipment according to claim 2, characterized in that: a filter screen (9) is fixedly connected inside the spray hole (8); elastic sheets (10) are arranged inside the spray holes (8); a pair of elastic sheets (10) is arranged in each spray hole (8), and the corresponding elastic sheets (10) are symmetrically arranged; the top surface of the elastic sheet (10) is designed to be an inclined surface structure; through holes (11) are formed in the positions, close to the two sides of the filter screen (9), on the surface of the filter screen (9); guide holes are formed in the surface of the elastic sheet (10) corresponding to the top of the through hole (11); the insides of the guide holes are fixedly connected with one-way valves (12); the surface of the spray column (3) is rotationally connected with a guide ring (13); the surface of the guide ring (13) is connected with a calandria (14).
4. The high-strength heavy steel processing equipment according to claim 3, characterized in that: the bottom of the elastic sheet (10) is of a splicing structure with a plurality of cambered surfaces; a cavity structure is formed between the two corresponding elastic sheets (10) at the bottom of the filter screen (9); a pair of sliding blocks (15) is arranged between the two elastic sheets (10); the bottom of the sliding block (15) is fixedly connected with a spray head (16), and the spray head (16) is communicated with the space of the top cavity of the sliding block (15) through a pipeline.
5. The high-strength heavy steel processing equipment according to claim 4, characterized in that: a first guide block (17) is fixedly connected to the position, close to the top of the elastic sheet (10), in the spray hole (8); a first guide groove is formed in the side surface of the spray hole (8), and the first guide blocks (17) are connected to the inside of the first guide groove in a sliding mode; the first guide block (17) is fixedly connected with the side surface of the corresponding spray hole (8) by an elastic piece (18); a support plate (19) is fixedly connected inside the spray hole (8), and the support plate (19) is fixedly connected with the elastic sheet (10); the side surfaces of the two opposite sides of the elastic sheets (10) are respectively provided with a second guide groove, and the second guide grooves are communicated with the interiors of the corresponding first guide grooves through pipelines; the inside of second guide slot all has second guide block (20) sliding connection, and second guide block (20) all with correspond fixed connection between shower nozzle (16).
6. The high-strength heavy steel processing equipment according to claim 5, characterized in that: a fixed column (21) is fixedly connected inside the fixed block (4), and one end of the fixed column (21) extends into the spraying column (3); the surfaces of the fixed columns (21) are provided with adsorption strips (22) which are uniformly distributed.
7. The high-strength heavy steel processing equipment according to claim 6, characterized in that: the surface of the fixed column (21) is provided with first moving grooves which are uniformly distributed; the inner parts of the first moving grooves are all connected with first moving blocks (23) in a sliding manner; the first moving block (23) and the inner part corresponding to the first moving groove are fixedly connected with a first spring (24); a scraper (25) is fixedly connected to the surface of the moving block; the inner surface of the spray column (3) is fixedly connected with a guide disc (26); a guide hole is formed in the guide disc (26); the inner surface of the guide hole is designed into a uniform semi-circular arc combined structure.
8. The high-strength heavy steel processing equipment according to claim 7, characterized in that: a second moving groove is formed in the side face of the scraper (25), and the second moving groove is communicated with the corresponding first moving groove; a second moving block (27) is connected to the inner part of each second moving groove in a sliding manner; a second spring (28) is fixedly connected between the second moving block (27) and the bottom of the second moving groove; and adsorption strips (22) are arranged on the surfaces of the second moving blocks (27).
9. The high-strength heavy steel processing equipment according to claim 8, characterized in that: the adsorption strip (22) comprises an inner membrane (29) and an adsorption membrane (30); the inner membrane (29) is designed to be an elastic structure; connecting holes are formed in the surfaces of the second moving blocks (27), and the connecting holes are communicated with an inner sealed space enclosed by the inner membrane (29); an adsorption film (30) is attached to the surface of the inner film (29).
10. The high-strength heavy steel processing equipment according to claim 9, characterized in that: fixing rings (31) are fixedly connected to the positions, close to the guide disc (26), in the spray columns (3); the inner surface of the fixing ring (31) is fixedly connected with a guide block (32); the guide block (32) is designed into a half-moon-shaped structure; the inside of solid fixed ring (31) is equipped with vibrations ball (33).
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Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE802624A (en) * | 1972-08-05 | 1973-11-16 | Rheinstahl Ag | PROCESS FOR CASTING THE PRE-MATERIAL OF ROLLING ROLLERS, AS WELL AS DEVICES FOR IMPLEMENTING THIS PROCESS |
| US3995684A (en) * | 1974-03-20 | 1976-12-07 | Concast Ag | Apparatus for the direct cooling of a strand |
| JPH0592244A (en) * | 1991-09-30 | 1993-04-16 | Kawasaki Steel Corp | Secondary cooling device for continuous casting |
| TW528624B (en) * | 2001-02-14 | 2003-04-21 | Nippon Steel Corp | A plasma torch for heating a molten steel |
| CN1777483A (en) * | 2003-04-23 | 2006-05-24 | 奥地利钢铁联合企业阿尔卑斯工业设备制造有限公司 | Strand-guiding roller |
| CN1807955A (en) * | 2006-01-20 | 2006-07-26 | 天津商学院 | High alloy steel seamless steel pipe and production method thereof |
| JP2010069501A (en) * | 2008-09-18 | 2010-04-02 | Jfe Steel Corp | Device and method for evaluating cooling performance of spray nozzle for secondary cooling in continuous casting |
| JP2012024805A (en) * | 2010-07-23 | 2012-02-09 | Jfe Steel Corp | Method for manufacturing bar steel |
| KR20120132205A (en) * | 2011-05-27 | 2012-12-05 | 주식회사 포스코 | Stoper unit and Continuous casting apparatus having the same |
| CN206966599U (en) * | 2017-06-30 | 2018-02-06 | 上海宝尼化工机械有限公司 | A kind of ring sparger |
| CN209969511U (en) * | 2019-03-07 | 2020-01-21 | 内蒙古上泰实业有限公司 | Continuous casting machine with spraying and positioning functions for processing 304 stainless steel |
| CN210333785U (en) * | 2019-08-07 | 2020-04-17 | 汪永红 | Cooling device for metallurgical processing |
| CN111014597A (en) * | 2019-12-16 | 2020-04-17 | 武汉科技大学 | Cooling method and cooling device for high-pulling-speed continuous casting machine |
| JP2020138223A (en) * | 2019-02-28 | 2020-09-03 | 昭和電工株式会社 | Manufacturing method and manufacturing device for metal continuously cast bar |
| CN211413590U (en) * | 2019-12-02 | 2020-09-04 | 扬州科鑫冶金设备有限公司 | Secondary cooling nozzle of square billet continuous casting machine |
| CN112045155A (en) * | 2020-09-06 | 2020-12-08 | 宋白清 | Cooling device of aluminum alloy casting processing equipment |
| CN213729241U (en) * | 2020-09-10 | 2021-07-20 | 四川省达州钢铁集团有限责任公司 | Continuous casting secondary cooling system |
-
2021
- 2021-09-08 CN CN202111051748.0A patent/CN113751678B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE802624A (en) * | 1972-08-05 | 1973-11-16 | Rheinstahl Ag | PROCESS FOR CASTING THE PRE-MATERIAL OF ROLLING ROLLERS, AS WELL AS DEVICES FOR IMPLEMENTING THIS PROCESS |
| US3995684A (en) * | 1974-03-20 | 1976-12-07 | Concast Ag | Apparatus for the direct cooling of a strand |
| JPH0592244A (en) * | 1991-09-30 | 1993-04-16 | Kawasaki Steel Corp | Secondary cooling device for continuous casting |
| TW528624B (en) * | 2001-02-14 | 2003-04-21 | Nippon Steel Corp | A plasma torch for heating a molten steel |
| CN1777483A (en) * | 2003-04-23 | 2006-05-24 | 奥地利钢铁联合企业阿尔卑斯工业设备制造有限公司 | Strand-guiding roller |
| CN1807955A (en) * | 2006-01-20 | 2006-07-26 | 天津商学院 | High alloy steel seamless steel pipe and production method thereof |
| JP2010069501A (en) * | 2008-09-18 | 2010-04-02 | Jfe Steel Corp | Device and method for evaluating cooling performance of spray nozzle for secondary cooling in continuous casting |
| JP2012024805A (en) * | 2010-07-23 | 2012-02-09 | Jfe Steel Corp | Method for manufacturing bar steel |
| KR20120132205A (en) * | 2011-05-27 | 2012-12-05 | 주식회사 포스코 | Stoper unit and Continuous casting apparatus having the same |
| CN206966599U (en) * | 2017-06-30 | 2018-02-06 | 上海宝尼化工机械有限公司 | A kind of ring sparger |
| JP2020138223A (en) * | 2019-02-28 | 2020-09-03 | 昭和電工株式会社 | Manufacturing method and manufacturing device for metal continuously cast bar |
| CN209969511U (en) * | 2019-03-07 | 2020-01-21 | 内蒙古上泰实业有限公司 | Continuous casting machine with spraying and positioning functions for processing 304 stainless steel |
| CN210333785U (en) * | 2019-08-07 | 2020-04-17 | 汪永红 | Cooling device for metallurgical processing |
| CN211413590U (en) * | 2019-12-02 | 2020-09-04 | 扬州科鑫冶金设备有限公司 | Secondary cooling nozzle of square billet continuous casting machine |
| CN111014597A (en) * | 2019-12-16 | 2020-04-17 | 武汉科技大学 | Cooling method and cooling device for high-pulling-speed continuous casting machine |
| CN112045155A (en) * | 2020-09-06 | 2020-12-08 | 宋白清 | Cooling device of aluminum alloy casting processing equipment |
| CN213729241U (en) * | 2020-09-10 | 2021-07-20 | 四川省达州钢铁集团有限责任公司 | Continuous casting secondary cooling system |
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