CN108193132A - A kind of heavy steel and its production technology - Google Patents
A kind of heavy steel and its production technology Download PDFInfo
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- CN108193132A CN108193132A CN201810011371.8A CN201810011371A CN108193132A CN 108193132 A CN108193132 A CN 108193132A CN 201810011371 A CN201810011371 A CN 201810011371A CN 108193132 A CN108193132 A CN 108193132A
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
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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
- B22D11/001—Continuous casting of metals, i.e. casting in indefinite lengths of specific alloys
-
- 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
- B22D11/108—Feeding additives, powders, or the like
-
- 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
-
- 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
- B22D11/126—Accessories for subsequent treating or working cast stock in situ for cutting
-
- 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
- B22D11/163—Controlling or regulating processes or operations for cutting cast stock
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/08—Ferrous alloys, e.g. steel alloys containing nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/12—Ferrous alloys, e.g. steel alloys containing tungsten, tantalum, molybdenum, vanadium, or niobium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/16—Ferrous alloys, e.g. steel alloys containing copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
- C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
- C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
Abstract
The invention discloses a kind of heavy steel and its production technologies, belong to steel field, solve the problems, such as that the hardness of steel plate is insufficient, its key points of the technical solution are that the mass percent of each main alloy element is in the chemical composition of the heavy steel：It is 0.17~0.25%, Mn is 0.70~0.75% that C, which is 0.65~0.70%, Si, Cr≤0.25%, Mo be≤0.15%, P≤0.025%, S≤0.025%, Ni≤0.20%, Cu≤0.15%, surplus Fe, the present invention are rational in infrastructure, by improving the C content in steel, so as to achieve the purpose that improve the hardness of steel.
Description
Technical field
The present invention relates to a kind of steel, more specifically, it relates to a kind of heavy steel and its production technology.
Background technology
One kind of carbon steel.Phosphorus content about 0.05%~0.70%, individually up to 0.90%.Normal carbon structure can be divided into
Two class of steel and carbon constructional quality steel.There are many purposes, and dosage is very big, are mainly used for railway, bridge, all kinds of architectural engineerings, manufacture
Bear dead load various metal components and it is inessential do not need to heat treatment machine components and general weldment.
At present, notification number is that the Chinese invention patent of CN103797146A discloses a kind of cold working intermediate carbon steel sheet, institute
It states intermediate carbon steel sheet and contains C in terms of quality %：0.30~0.60%、Si：0.06~0.30%、Mn：0.3~2.0%、P：Less than 0.03%, S：
Less than 0.0075%, Al：0.005~0.10%、N：0.001~0.01%、Cr：0.001 ~ 0.10%, remainder includes Fe and can not
The impurity avoided, the average diameter d of carbide is 0.6 μm hereinafter, the spherical rate p of carbide is 70% less than 90%,
The average diameter d of the above-mentioned carbide and spherical rate p of above-mentioned carbide meets d≤0.04 × p-2.6, and the wherein unit of d is μ
The unit of m, p are %.
But in above-mentioned technical proposal, C content is located at 0.30 ~ 0.60%, insufficient so as to cause the hardness of steel plate, even across
Requirement of the product to hardness can not be reached after heat treatment.
Invention content
In view of the deficienciess of the prior art, the invention reside in a kind of heavy steel is provided, by improving the C content in steel,
So as to achieve the purpose that improve the hardness of steel.
To achieve the above object, the present invention provides following technical solutions：A kind of heavy steel, in the chemical composition of the heavy steel
The mass percent of each main alloy element is：It is 0.17~0.25%, Mn is 0.70~0.75% that C, which is 0.65~0.70%, Si,
Cr≤0.25%, Mo be≤0.15%, P≤0.025%, S≤0.025%, Ni≤0.20%, Cu≤0.15%, surplus Fe.
By using above-mentioned technical proposal, improve the C content in steel, so as to improve the hardness of steel, by quenching and
The hardness of steel is further increased after tempering, so as to which steel be made to be suitable for hardness requirement on higher product.
The present invention is further arranged to：The mass percent of each main alloy element is in the chemical composition of the heavy steel：C
For 0.67%, Si 0.20%, Mn 0.72%, Cr 0.25%, Mo 0.15%, Ni 0.20%, Cu 0.15%, surplus Fe.
By using above-mentioned technical proposal, obtained heavy steel has higher polishing performance and processing performance.
To achieve the above object, the present invention provides following technical solutions：A kind of production technology of heavy steel, the production technology
Include the following steps：Step S1, upper dummy bar：Dummy bar sequentially passes through cutting machine, withdrawal straightening machine, secondary cooling zone, the dummy bar
Upper end is stretched into crystallizer collector nozzle, and the lower end of the dummy bar is by withdrawal straightening machine clamping and positioning；Step S2, it opens and pours：Refining treatment
In molten steel injection ladle afterwards, the ladle for filling molten steel is moved to above cast station using revolving platform, then notes molten steel
Enter in tundish, tundish injects molten steel in crystallizer, and molten steel is cooled to steel billet and consolidates with dummy bar upper end in a crystallizer
Fixed connection；Step S3, vehicle straightening is opened：It opens and starts withdrawal straightening machine after pouring, steel billet is pulled using dummy bar；Step S4, deingot bar：When
Steel billet removes dummy bar after entering withdrawal straightening machine；Step S5, it cuts：The roller that tests the speed measures the length of steel billet, when steel billet length meets
It is required that when, using cutting gun and steel billet synchronizing moving and start to cut, reset cutting machine after cutting；Step S6, ladle
It replaces：According to the quality of molten steel in the gravity sensor detection ladle on revolving platform, after pouring molten steel is in ladle, rotation
Empty ladle is moved away from cast station, while another ladle for filling molten steel is moved to cast station by revolving platform, is then proceeded to
Molten steel is injected into tundish；Step S7, it stops：Add cold steel into crystallizer, and reduce in the collector nozzle for closing tundish
The speed of steel billet is pulled, and reduces the intensity of cooling of secondary cooling zone, is pulled it after the solidification of tail base.
By using above-mentioned technical proposal, receive the molten steel from ladle using tundish and shunted to crystallizer, played
The effect of voltage stabilizing shunting slagging-off, molten steel, which enters cooling in crystallizer, makes molten steel solidification grow up bar shaped steel billet, then cold using two
Section water leaching carries out second and cools down and correct steel billet, then recycles cutting machine that steel billet is cut into required length, letter
Production process is changed, has improved production efficiency and recovery rate of iron, energy saving consumption is greatly lowered production cost, steel billet matter
It measures.
The present invention is further arranged to：The steel billet under cutting is placed in incubator after the step 6.
External temperature is relatively low after steel billet is molded, may when shell cooling velocity is too fast when internal temperature is still higher
Internal stress can be generated to crack so as to cause steel billet, by using above-mentioned technical proposal, steel billet is placed in incubator, utilizes steel billet
The heat of itself institute's band heats the space in incubator, is then kept temperature using incubator, makes steel billet in the temperature
The lower Slow cooling of degree is so as to discharge internal stress.
The present invention is further arranged to：The secondary cooling zone is equipped with the reclaiming cover of recovered steam, is connected in the reclaiming cover
There is heat-exchange tube, the heat-exchange tube passes through in incubator.
By using above-mentioned technical proposal, water is drenched to the steel billet of high temperature, and so as to produce a large amount of steam, steam passes through
Heat-exchange tube enters in incubator and incubator is heated, and makes to save electricity consumption, and make the temperature in incubator more constant.
The present invention is further arranged to：The step S open pour the liquid steel level in rear tundish to tundish height/when
Covering agent in addition adds in carbonization rice husk after the molten steel in the tundish is full.
By using above-mentioned technical proposal, extend the investing time of liquid steel level using coverture, when making liquid steel level long
Between be in atmospheric pressure effect under, substantially increase the feeding efficiency of liquid level, be conducive on the gas and field trash in casting
It is floating, achieve the purpose that purify molten steel, and sound steel part is obtained, rejection rate is reduced, there is reproducibility using carbonization rice husk,
Redox reaction occurs at a temperature of and discharges the time that heat further slows down the crust of liquid steel level.
The present invention is further arranged to：The cutting machine is equipped with the servo motor that it is driven to slide, the servo motor
Controller is electrically connected with, the roller that tests the speed is electrically connected with the controller, when the length that the roller that tests the speed measures steel billet meets the requirements,
Starting servo motor makes cutting machine and steel billet synchronizing moving, is cut off steel billet using cutting machine while mobile.
By using above-mentioned technical proposal, when the length that the roller that tests the speed measures steel billet meets the requirements, start servo motor, open
Dynamic servo motor makes cutting machine and steel billet synchronizing moving, while synchronizing moving, starts cutting machine and cuts off steel billet, do not need to
Steel billet is made to stop and just completes cutting, and does not need to clamp steel billet, steel billet is avoided and deforms under external force.
The present invention is further arranged to：The cutting machine is slided by locomotive, is rotatably connected in the moving trolley
Rotation axis, the servo motor driving rotation axis rotation, the rotation axis both ends are fixedly connected with connection gear, the locomotive
It is supported by supporting rack, support frame as described above is equipped with the rack engaged with connection gear.
It by using above-mentioned technical proposal, is engaged using connection gear and rack, makes the rotating speed and locomotive of rotation axis
Into a definite value, prevent rotation axis from being slided with supporting rack causes cutting machine to be differed with steel billet movement speed and causes travel proportional
Cut surface out-of-flatness.
The present invention is further arranged to：Speed probe of the locomotive equipped with detection rotation rotating speed, described turn
Fast sensor is electrically connected with the controller, and the cutting machine is electrically connected with the controller.
By using above-mentioned technical proposal, the shifting of the rotating speed and then detection locomotive of speed probe detection rotation axis is utilized
Dynamic speed, the movement speed of the locomotive detected by speed probe is identical with the movement speed of steel billet that the roller that tests the speed detects,
So as to can further make cutting machine and steel billet synchronizing moving, and then make the cut surface of steel billet more smooth.
In conclusion the invention has the advantages that：The hardness higher of steel billet, higher polishing performance and processability
Can, structure is more uniform, and cut surface is smooth, and Cutting Length is more consistent, saves energy consumption.
Description of the drawings
Fig. 1 is the structure diagram of the present embodiment；
Fig. 2 is the structure diagram that the present embodiment is used to show cutter device；
Fig. 3 is the sectional view that the present embodiment is used to show incubator.
Reference numeral：1st, ladle；11st, revolving platform；2nd, tundish；3rd, crystallizer；31st, condenser pipe；4th, secondary cooling zone；41st, water
Pipe；42nd, nozzle；43rd, reclaiming cover；5th, withdrawal straightening machine；6th, steel billet；7th, dummy bar；8th, cutter device；81st, supporting rack；811st, rack；
82nd, locomotive；821st, rotation axis；822nd, connection gear；83rd, servo motor；831st, motor gear；84th, cutting machine；85th, it controls
Device；86th, test the speed roller；9th, incubator；91st, heat-exchange tube；92nd, exhaust fan.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；In retouching for the present invention
In stating, it is to be understood that if it is based on attached drawing to have the orientation of the instructions such as term " on ", " under ", "left", "right" or position relationship
Shown orientation or position relationship, are for only for ease of the description present invention and simplify description rather than instruction or imply meaning
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore position relationship described in attached drawing
Term is only for illustration, it is impossible to the limitation to this patent is interpreted as, it for the ordinary skill in the art, can
To understand the concrete meaning of above-mentioned term as the case may be.
Embodiment 1, a kind of processing technology of heavy steel, the technique include the following steps：
Step S1, upper dummy bar 7：Dummy bar 7 sequentially passes through cutting machine 84, withdrawal straightening machine 5, secondary cooling zone 4, by the upper end of dummy bar 7
It stretches into the collector nozzle of crystallizer 3, the distance of the upper end of dummy bar 7 apart from the bottom surface of crystallizer 3 is 100mm, utilizes withdrawal straightening machine 5
By 7 lower end clamping and positioning of dummy bar；
Step S2, it opens and pours：By in the molten steel injection ladle 1 after refining treatment, the ladle 1 for filling molten steel is moved using revolving platform 11
It moves to above cast station, the collector nozzle for then opening ladle 1 injects molten steel in tundish 2；When the molten steel liquid in tundish 2
Face to 2 height of tundish 2/3 when add in coverture, add in carbonization rice husk after the molten steel in tundish 2 is full, open tundish
2 collector nozzle, by tundish 2 by molten steel inject crystallizer 3 in, molten steel be cooled in crystallizer 3 steel billet 6 and with dummy bar 7
Upper end is fixedly connected；The reclaiming cover 43 of recovered steam is equipped on secondary cooling zone 4, reclaiming cover 43 is connected with heat-exchange tube 91, will be hot
Pipe 91 is exchanged by the way that in incubator, water is drenched to the steel billet 6 of high temperature, and so as to produce a large amount of steam, steam passes through heat exchange
Pipe 91 enters in incubator 9 and incubator 9 is heated, and makes to save electricity consumption, and make the temperature in incubator 9 more constant.
Step S3, vehicle straightening is opened：Startup withdrawal straightening machine 5 after pouring is opened, steel billet 6 is slowly pulled using dummy bar 7；
Step S4, deingot bar 7：Dummy bar 7 is removed after steel billet 6 enters withdrawal straightening machine 5；
Step S5, it cuts：The roller 86 that tests the speed measures the length of steel billet 6, right using cutter device 8 when 6 length of steel billet meets the requirements
Steel billet 6 is cut, and cutter device 8 includes the servo that supporting rack 81, locomotive 82, cutting machine 84 and driving cutting machine 84 move
Motor 83, wherein cutting machine 84 are fixedly connected on locomotive 82, and locomotive 82 is slidably connected on supporting rack 81, locomotive 82
There are two rotation axis 821 for upper rotation connection, and the both ends of rotation axis 821 have been fixedly and coaxially connected connection gear 822, supporting rack 81
On be fixedly connected with the rack 811 engaged with connection gear 822, servo motor 83 is fixedly connected on locomotive 82, servo motor
Motor gear 831 is fixedly and coaxially connected on 83 main shaft, motor gear 831 is engaged with one of connection gear 822, servo
Motor 83 is electrically connected with controller 85, and controller 85 is electrically connected with the roller 86 that tests the speed, when the length for 86 steel billet 6 of roller that tests the speed meets the requirements
When, starting servo motor 83 makes cutting machine 84 and 6 synchronizing moving of steel billet；Detection rotation axis 821 is fixedly connected on locomotive 82
The speed probe of rotating speed, speed probe are electrically connected with controller 85, and cutting machine 84 is electrically connected with controller 85, when rotating speed passes
Sensor calculating 82 movement speed of locomotive starts cutting machine 84 when identical with the calculating of roller 86 6 movement speed of steel billet that tests the speed, by steel billet 6
Cut-out resets locomotive 82 after the completion of cutting；
Step S6, ladle 1 is replaced：According to the quality of molten steel in the gravity sensor detection ladle 1 on revolving platform 11, when ladle 1
After middle pouring molten steel is over, empty ladle 1 is moved away from cast station, while another steel that will fill molten steel by rotation revolving platform 11
Packet 1 moves to cast station, then proceedes to inject molten steel into tundish 2, it is achieved thereby that sequence casting；By the steel billet under cutting
6 place in incubator 9, and the space in incubator 9 is heated using the heat of steel billet 6 itself institute band, then utilize heat preservation
Case 9 keeps temperature, make steel billet 6 at such a temperature Slow cooling so as to discharge internal stress.
Step S7, it stops：Add cold steel into crystallizer 3 in the collector nozzle for closing tundish 2, and reduce and pull steel billet 6
Speed, and reduce the intensity of cooling of secondary cooling zone 4, pulled it after the solidification of tail base.
The mass percent of each main alloy element is in the chemical composition of the heavy steel used in Example 1：C is
0.67%, Si 0.20%, Mn 0.72%, Cr 0.25%, Mo 0.15%, P 0.025%, S 0.025%, Ni 0.20%,
Cu is 0.15%, surplus Fe.
Embodiment 2-3, the processing technology using embodiment 6, but each main alloy element in the chemical composition of weight steel
Mass percent is：Embodiment 2, C 0.65%, Si 0.17%, Mn 0.70%, Cr 0.20%, Mo 0.12%, P are
0.023%, S 0.020%, Ni 0.18%, Cu 0.14%, surplus Fe.Embodiment 9, C 0.70%, Si 0.25%, Mn are
0.75%, Cr≤0.25%, Mo be≤0.15%, P≤0.025%, S≤0.025%, Ni≤0.20%, Cu≤0.15%, surplus Fe.
Comparative example：C is 0.60%, Si 0.30%, Mn 2.0%, P：0.02%、S：0.0072%、Al：0.10%、N：
0.01%、Cr： 0.10%.
After above-mentioned smelting and hot-working and heat treatment, final finished specification is present invention weight steel（Long * wide * are thick）
2000mm*1200mm*400mm modules, sampling are tested for the property, and test following performances：
The Rockwell hardness number of embodiment 1 ~ 3 is measured using Rockwell hardness method, and Rockwell hardness number is charged to and compared, wherein in fact
The Rockwell hardness mean value for applying example 1 is 30, and the Rockwell hardness mean value of embodiment 2 is 28, and the Rockwell hardness mean value of embodiment 3 is 27,
The Rockwell hardness mean value of comparative example is 25.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of no creative contribution after this specification is read, but as long as at this
It is all protected in the right of invention by Patent Law.
Claims (9)
1. a kind of heavy steel, which is characterized in that the mass percent of each main alloy element is in the chemical composition of the heavy steel：C
For 0.65~0.70%, Si be 0.17~0.25%, Mn be 0.70~0.75%, Cr≤0.25%, Mo for≤0.15%, P≤
0.025%, S≤0.025%, Ni≤0.20%, Cu≤0.15%, surplus Fe.
2. a kind of heavy steel according to claim 1, it is characterized in that：Each main alloy element in the chemical composition of the heavy steel
Mass percent be：C is 0.67%, Si 0.20%, Mn 0.72%, Cr 0.25%, Mo 0.15%, Ni 0.20%, Cu
It is 0.15%, surplus Fe.
3. a kind of production technology of heavy steel as claimed in claim 2, which is characterized in that the production technology includes the following steps：
Step S1, upper dummy bar（7）：Dummy bar（7）Sequentially pass through cutting machine（84）, withdrawal straightening machine（5）, secondary cooling zone（4）, the dummy bar
（7）Upper end stretch into crystallizer（3）In collector nozzle, the dummy bar（7）Lower end by withdrawal straightening machine（5）Clamping and positioning；Step S2,
It opens and pours：Molten steel injection ladle after refining treatment（1）In, utilize revolving platform（11）The ladle of molten steel will be filled（1）It is moved to and pours
It notes above station, molten steel is then injected into tundish（2）In, tundish（2）Molten steel is injected into crystallizer（3）In, molten steel is being tied
Brilliant device（3）In be cooled to steel billet（6）And and dummy bar（7）Upper end is fixedly connected；Step S3, vehicle straightening is opened：It opens to start after pouring and draw
The machine of rectifying（5）, utilize dummy bar（7）Pull steel billet（6）；Step S4, deingot bar（7）：Work as steel billet（6）Into withdrawal straightening machine（5）Afterwards
By dummy bar（7）It removes；Step S5, it cuts：Test the speed roller（86）Measure steel billet（6）Length, work as steel billet（6）Length meets the requirements
When, utilize cutting gun and steel billet（6）Synchronizing moving simultaneously starts to cut, and cutting machine is made after cutting（84）It resets；Step S6, steel
Packet（1）It replaces：According to revolving platform（11）On gravity sensor detection ladle（1）The quality of middle molten steel, works as ladle（1）Middle molten steel
After cast is over, revolving platform is rotated（11）By empty ladle（1）It is moved away from cast station, while another ladle that molten steel will be filled
（1）Cast station is moved to, is then proceeded to tundish（2）Middle injection molten steel；Step S7, it stops：Closing tundish（2）Under
To crystallizer during the mouth of a river（3）Interior plus cold steel, and reduce pulling steel billet（6）Speed, and reduce secondary cooling zone（4）Intensity of cooling,
It is pulled it after the solidification of tail base.
4. production technology according to claim 3, it is characterized in that：By the steel billet under cutting after the step 6（6）It puts
Put incubator（9）In.
5. production technology according to claim 4, it is characterized in that：The secondary cooling zone（4）It is equipped with the recycling of recovered steam
Cover（43）, the reclaiming cover（43）On be connected with heat-exchange tube（91）, the heat-exchange tube（91）Pass through incubator（9）In.
6. production technology according to claim 5, it is characterized in that：The step S2, which is opened, pours rear tundish（2）In molten steel
Liquid level is to tundish（2）Height 2/3 when add in covering agent, when the tundish（2）In molten steel it is full after add in carbonization
Rice husk.
7. production technology according to claim 3, it is characterized in that：The cutting machine（84）It is equipped with and drives watching for its slip
Take motor（83）, the servo motor（83）It is electrically connected with controller（85）, the roller that tests the speed（86）With controller（85）It is electrically connected
It connects, when the roller that tests the speed（86）Measure steel billet（6）Length when meeting the requirements, start servo motor（83）Make cutting machine（84）With
Steel billet（6）Synchronizing moving utilizes cutting machine while mobile（84）By steel billet（6）Cut-out.
8. production technology according to claim 7, it is characterized in that：The cutting machine（84）Pass through locomotive（82）It slides,
The locomotive（82）On be rotatably connected to rotation axis（821）, the servo motor（83）Drive rotation axis（821）Rotation, institute
State rotation axis（821）Both ends are fixedly connected with connection gear（822）, the locomotive（82）Pass through supporting rack（81）Support, institute
State supporting rack（81）It is equipped with and connection gear（822）The rack of engagement（811）.
9. production technology according to claim 8, it is characterized in that：The locomotive（82）It is equipped with detection rotation axis
（821）The speed probe of rotating speed, the speed probe and controller（85）Electrical connection, the cutting machine（84）With controller
（85）Electrical connection.
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| CN109773149A (en) * | 2019-03-19 | 2019-05-21 | 宁波中超机器有限公司 | Automate the working method of continuous casting billet Casting Equipment |
| CN109807296A (en) * | 2019-03-19 | 2019-05-28 | 宁波中超机器有限公司 | Automate continuous casting billet Casting Equipment |
| CN109988919A (en) * | 2019-04-08 | 2019-07-09 | 江苏源翔合金材料科技有限公司 | A kind of smelting furnace bottom nickel block recovery process |
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