CN114210934A - Casting process of as-cast high manganese steel lining plate - Google Patents

Casting process of as-cast high manganese steel lining plate Download PDF

Info

Publication number
CN114210934A
CN114210934A CN202111587947.3A CN202111587947A CN114210934A CN 114210934 A CN114210934 A CN 114210934A CN 202111587947 A CN202111587947 A CN 202111587947A CN 114210934 A CN114210934 A CN 114210934A
Authority
CN
China
Prior art keywords
casting
manganese steel
high manganese
casting process
lining plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111587947.3A
Other languages
Chinese (zh)
Inventor
张磊
王伟
王庆杰
张影
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuzhou Hanbang Mining Equipment Co ltd
Original Assignee
Xuzhou Hanbang Mining Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xuzhou Hanbang Mining Equipment Co ltd filed Critical Xuzhou Hanbang Mining Equipment Co ltd
Priority to CN202111587947.3A priority Critical patent/CN114210934A/en
Publication of CN114210934A publication Critical patent/CN114210934A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/22—Moulds for peculiarly-shaped castings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
    • B22C9/082—Sprues, pouring cups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
    • B22C9/088—Feeder heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
    • B22D31/002—Cleaning, working on castings
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/06—Deoxidising, e.g. killing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/63—Quenching devices for bath quenching
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • C22C33/06—Making ferrous alloys by melting using master alloys

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

The invention discloses a casting process of a high manganese steel lining plate used in an as-cast state, which relates to the technical field of casting and comprises the following steps: step one, preparing a furnace charge used in an as-cast state; step two, smelting the high manganese steel lining plate; step three, designing a casting process; and step four, heat treatment, cutting and welding. The invention has the advantages that the placement component, the inner pool and the outer pool are arranged, the anti-splashing effect is achieved, the guide arc surface flows into the overflow ring groove to collect water, the situation that workers slip due to the fact that the water falls on the ground is prevented, the safety of the working environment is improved, the key control point can be fast mastered in the casting process of the high manganese steel lining plate through smelting, casting process design, heat treatment, cutting and welding of the furnace burden used in a casting state and the high manganese steel lining plate, the casting process is optimized, the key casting parameter and the quality standard of the product are determined, the efficient and stable casting of the high manganese steel lining plate is facilitated, and convenience is brought to the operation.

Description

Casting process of as-cast high manganese steel lining plate
Technical Field
The invention relates to the technical field of casting, in particular to a casting process of a high manganese steel lining plate used in an as-cast state.
Background
The high manganese steel lining plate is divided into 5 grades according to the national standard, the main difference is the content of carbon, and the range is 0.75-1.45%. High impact and low carbon content. The manganese content is between 11.0% and 14.0%, and generally should not be lower than 13%. The ultra-high manganese steel lining plate has no national standard, but the manganese content is more than 18 percent. Since the impact toughness is greatly affected by the high or low silicon content, the lower limit should be preferably not more than 0.5%. Low phosphorus and sulphur are the most basic requirements, and since a high manganese content naturally plays a role in desulphurisation, phosphorus reduction is of most importance, trying to keep phosphorus below 0.07%. Chromium is used to improve abrasion resistance, typically around 2.0%. The following problems exist in the prior art:
1. the casting process of the high manganese steel lining plate used in the general casting state often cannot hold key points, and the casting quality of the high manganese steel lining plate is influenced;
2. in the casting process of the high manganese steel lining plate, heat treatment and quenching are needed, a generally used quenching device is often dropped into water from high altitude and easily causes spray splashing, so that the environment is moist, and workers are likely to slip, and the improvement is urgently needed.
Disclosure of Invention
The invention provides a casting process of a high manganese steel lining plate used in an as-cast state, which aims to prevent splash from splashing during quenching and solve the problems that generally used quenching devices often fall into water from the high altitude to easily cause splash splashing, so that the environment is moist and workers are likely to slip; the other purpose is to solve the problem that the casting process of the high manganese steel lining plate used in the general casting state often cannot hold key points and influences the casting quality of the high manganese steel lining plate, so that the key control points can be rapidly held in the casting process of the high manganese steel lining plate, the casting of the high manganese steel lining plate can be efficiently and stably carried out, and the convenient and fast effect is brought to the operation.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the casting process of the high manganese steel lining plate used in the casting state comprises the following two aspects:
in a first aspect, the present invention provides a technical solution: the casting process of the as-cast high manganese steel lining plate comprises the following steps:
step one, preparing a furnace charge used in an as-cast state;
step two, smelting the high manganese steel lining plate;
step three, designing a casting process;
and step four, heat treatment, cutting and welding.
The technical scheme of the invention is further improved as follows: the preparation of the charge used as cast in the first step further comprises: high-quality carbon steel, high-carbon ferromanganese, medium-carbon ferromanganese and high-carbon ferrochrome.
The technical scheme of the invention is further improved as follows: and step two, smelting the medium and high manganese steel lining plate, further comprising the following steps:
a1: smelting carbon steel, putting the carbon steel into a furnace, adding ferromanganese for a few times, and finally adding precious elements to reduce burning loss, wherein the material block is preferably less than 80 mm;
a2: when the furnace temperature reaches 1600 ℃, deoxidizing, dehydrogenating and denitrifying, wherein aluminum wires can be used, and Si-Ca alloy or SiC and other materials can also be used;
a3: pressing the deoxidizer to deep inside the furnace, covering the metal liquid surface with covering agent to block the outside air, and after a period of sedation, making the oxide and inclusion float upwards for a sufficient time.
A4: baking the casting ladle to above 400 ℃, and performing modification treatment on various trace elements such as V-Fe, Ti-Fe, rare earth and the like during tapping until crystallization.
The technical scheme of the invention is further improved as follows: the casting process design in the third step further comprises the following steps:
b1: the pouring system is open, a plurality of scattered ingates are led in from the thin wall of the casting and are in a flat and wide horn shape, the sectional area close to the casting is larger than the sectional area connected with the horizontal pouring channel, so that molten metal is quickly and stably injected into the casting mold, and the temperature difference in the whole casting mold is prevented from being overlarge;
b2: the diameter of the riser is larger than that of the hot junction, the height of the riser is 2.5-3.0 times of the diameter of the hot junction, and the hot riser and even the casting head are integrated, so that sufficient high-temperature molten metal can not be used for ensuring the vacancy of the casting during solidification and shrinkage.
The technical scheme of the invention is further improved as follows: the fourth step comprises heat treatment, cutting and welding, and further comprises the following steps:
c1: the heat treatment is carried out below 350 ℃, the steel plate is placed into a quenching bath, the water inlet temperature is less than 30 ℃, after quenching, the water temperature is less than 50 ℃, and the water amount is not less than 8 times of the weight of the casting;
c2: placing the casting in water, wherein the cut part is exposed out of the water;
c3: the operation method of small current, weak electric arc, small welding bead, multiple welding layers, low temperature and less heat is adopted.
In a second aspect, the present invention provides a technical solution: the casting quenching equipment for the high manganese steel lining plate used in the as-cast state comprises a quenching bath, wherein a stabilizing base is arranged at the bottom of the quenching bath, a first supporting vertical plate is fixedly mounted on the left side of the upper portion of the stabilizing base, a left transverse plate is fixedly mounted on the right side of the first supporting vertical plate, a motor is fixedly mounted on the upper portion of the left transverse plate, a lead screw is arranged on the lower portion of the left transverse plate, an installation sleeve is movably mounted outside the lead screw, a connecting rod is arranged on the right side of the installation sleeve, a first lifting rod is fixedly mounted at the bottom of the connecting rod, and a placement component is fixedly mounted at the bottom of the first lifting rod;
the placing assembly comprises a limiting ring, and a hollowed-out placing plate is fixedly arranged on the inner side of the limiting ring
The technical scheme of the invention is further improved as follows: place the right side fixed mounting of subassembly and have the second lifter, the upper portion fixed mounting of second lifter has the removal slider, the upper right portion fixed mounting who stabilizes the base has the second to support the riser, the left side that the second supported the riser is provided with spacing spout, remove slider movable mounting in the inside of spacing spout, the upper portion fixed mounting that the second supported the riser has right diaphragm.
The technical scheme of the invention is further improved as follows: the quenching bath comprises an inner bath, an outer bath is arranged on the outer side of the inner bath, overflow ring grooves are formed in the inner side of the outer bath and the outer side of the inner bath, and a guide arc surface is arranged on the upper portion of the inner bath.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the technical progress that:
1. the invention provides a casting process of a high manganese steel lining plate used in an as-cast state, which optimizes the casting process through smelting of furnace materials used in the as-cast state and the high manganese steel lining plate, casting process design, heat treatment, cutting and welding, and defines key casting parameters and product quality standards, so that a key control point can be rapidly mastered in the casting process of the high manganese steel lining plate, the casting of the high manganese steel lining plate is efficiently and stably carried out, and convenience is brought to operation.
2. The invention provides a casting process of a high manganese steel lining plate used in an as-cast state, wherein a limiting ring is arranged to play a limiting role, a motor is utilized to drive a screw rod to rotate, so that an installation sleeve uniformly moves downwards, otherwise, the installation sleeve moves upwards, a connecting rod also moves downwards when the installation sleeve uniformly moves downwards, and then a first lifting rod is driven to stably place the high manganese steel lining plate on a hollowed placing plate in a quenching tank for quenching treatment.
3. The invention provides a casting process of a high manganese steel lining plate used in an as-cast state, which further has the effect of preventing splashing by arranging that the height of an inner pool is lower than that of an outer pool, and the design of a guide cambered surface plays a role of drainage, so that water can flow into an overflow ring groove through the guide cambered surface when overflowing to collect the water, thereby preventing the situation that workers slip down due to the fact that the water falls on the ground and improving the safety of a working environment.
Drawings
FIG. 1 is a schematic representation of a casting process flow of the present invention;
FIG. 2 is a schematic structural view of a quenching apparatus according to the present invention;
FIG. 3 is a schematic top view of the placement module of the present invention;
FIG. 4 is a schematic diagram of the quenching internal cross-section structure of the present invention;
FIG. 5 is an enlarged view of the quenching internal section A of the present invention;
in the figure: 1. a stabilizing base; 2. a first support riser; 3. a left cross plate; 4. a motor; 5. a screw rod; 6. installing a sleeve; 7. a connecting rod; 8. a first lifting rod; 9. placing the component; 10. a second lifting rod; 11. a second support riser; 12. a limiting chute; 13. moving the slide block; 14. a right cross plate; 15. a quenching bath; 16. a hollow placing plate; 17. a limiting ring; 18. an inner pool; 19. an outer pool; 20. an overflow ring groove; 21. and (5) guiding the cambered surface.
Detailed Description
The present invention will be described in further detail with reference to the following examples:
example 1
As shown in fig. 1 to 5, the present invention provides a casting process of an as-cast high manganese steel liner plate, which includes the following steps:
step one, preparing a furnace charge used in an as-cast state;
step two, smelting the high manganese steel lining plate; furnace burden and modeling material;
step three, designing a casting process;
and step four, heat treatment, cutting and welding.
The preparation of the charge for as-cast use in step one further comprises: high-quality carbon steel, high-carbon ferromanganese, medium-carbon ferromanganese and high-carbon ferrochrome.
Step two, smelting the medium and high manganese steel lining plate, further comprising the following steps:
a1: smelting carbon steel, putting the carbon steel into a furnace, adding ferromanganese for a few times, and finally adding precious elements to reduce burning loss, wherein the material block is preferably less than 80 mm;
a2: when the furnace temperature reaches 1600 ℃, deoxidizing, dehydrogenating and denitrifying, wherein aluminum wires can be used, and Si-Ca alloy or SiC and other materials can also be used;
a3: pressing the deoxidizer to deep inside the furnace, covering the metal liquid surface with covering agent to block the outside air, and after a period of sedation, making the oxide and inclusion float upwards for a sufficient time.
A4: baking the casting ladle to above 400 ℃, using multiple trace elements such as V-Fe, Ti-Fe, rare earth and the like to perform modification treatment during tapping until the casting ladle is crystallized, wherein manganese steel is alkaline, the furnace lining is made of magnesium material, the added furnace lining material is not too thick, preferably about 75 centimeters each time, and baking at low temperature for a long time after pounding is finished.
Example 2
As shown in fig. 1 to 5, on the basis of embodiment 1, the present invention provides a technical solution: preferably, the casting process design in the third step further comprises the following steps:
b1: the pouring system is open, a plurality of scattered ingates are led in from the thin wall of the casting and are in a flat and wide horn shape, the sectional area close to the casting is larger than the sectional area connected with the horizontal pouring channel, so that molten metal is quickly and stably injected into the casting mold, and the temperature difference in the whole casting mold is prevented from being overlarge;
b2: the diameter of the riser is larger than that of the hot junction, the height of the riser is 2.5-3.0 times of the diameter of the hot junction, and the hot riser and even the casting head are integrated, so that sufficient high-temperature molten metal can not be used for ensuring the vacancy of the casting during solidification and shrinkage.
The fourth step comprises heat treatment, cutting and welding, and further comprises the following steps:
c1: the heat treatment is carried out below 350 ℃, the steel plate is placed into a quenching bath, the water inlet temperature is less than 30 ℃, after quenching, the water temperature is less than 50 ℃, and the water amount is not less than 8 times of the weight of the casting;
c2: placing the casting in water, wherein the cut part is exposed out of the water;
c3: the method is characterized in that a small-current, weak-arc, small-welding-bead and multi-welding-layer operation method is adopted, low temperature and less heat are always kept, the casting process is optimized through smelting of furnace materials used in a casting state and the high manganese steel lining plate, casting process design, heat treatment, cutting and welding, key casting parameters and the quality standard of products are determined, so that key control points can be rapidly mastered in the casting process of the high manganese steel lining plate, the casting of the high manganese steel lining plate is facilitated to be efficiently and stably carried out, and convenience is brought to operation.
Example 3
In a second aspect, as shown in fig. 1-5, on the basis of embodiments 1 and 2, the invention provides a casting quenching apparatus for a cast high manganese steel lining plate, which comprises a quenching bath 15, a stabilizing base 1 is arranged at the bottom of the quenching bath 15, a first supporting vertical plate 2 is fixedly arranged at the left side of the upper part of the stabilizing base 1, a left transverse plate 3 is fixedly arranged at the right side of the first supporting vertical plate 2, a motor 4 is fixedly arranged at the upper part of the left transverse plate 3, a lead screw 5 is arranged at the lower part of the left transverse plate 3, a mounting sleeve 6 is movably arranged outside the lead screw 5, a connecting rod 7 is arranged at the right side of the mounting sleeve 6, a first lifting rod 8 is fixedly arranged at the bottom of the connecting rod 7, a placing component 9 is fixedly arranged at the bottom of the first lifting rod 8, the placing component 9 comprises a limiting ring 17, a hollow placing plate 16 is fixedly arranged at the inner side of the limiting ring 17, and has a limiting effect through the arrangement of the limiting ring 17, utilize motor 4 to drive lead screw 5 and rotate for 6 even speeds of installation cover are downward, otherwise then upward movement, and connecting rod 7 also can be downward thereupon when even speed is downward, and then drives first lifter 8 and places the high manganese steel welt on board 16 with the fretwork and steadily put in quenching bath 15 and carry out the quenching treatment, compares general direct impact force of falling into quenching bath 15 formation from the high altitude, has reduced splashing of splash to a certain extent.
Preferably, a second lifting rod 10 is fixedly installed on the right side of the placing component 9, a movable sliding block 13 is fixedly installed on the upper portion of the second lifting rod 10, a second supporting vertical plate 11 is fixedly installed on the upper right portion of the stabilizing base 1, a limiting sliding groove 12 is formed in the left side of the second supporting vertical plate 11, the movable sliding block 13 is movably installed inside the limiting sliding groove 12, a right transverse plate 14 is fixedly installed on the upper portion of the second supporting vertical plate 11, the quenching bath 15 comprises an inner bath 18, an outer bath 19 is arranged on the outer side of the inner bath 18, an overflow annular groove 20 is formed in the inner side of the outer bath 19 and the outer side of the inner bath 18, a guiding arc surface 21 is arranged on the upper portion of the inner bath 18, the splashing prevention effect is further achieved by setting the height of the inner bath 18 to be lower than the height of the outer bath 19, the guiding arc surface 21 is designed to play a drainage role, when water overflows, the water flows into the overflow annular groove 20 through the guiding arc surface 21 to collect the water, the condition that the staff slips down due to the fact that water falls to the ground is prevented, and the safety of the working environment is improved.
The working principle of the casting process of the as-cast high manganese steel lining plate will be described in detail below.
As shown in figures 1-5, the high manganese steel lining plate is placed on the upper part of the hollow placing plate 16, the limiting ring 17 plays a limiting role, the motor 4 is utilized to drive the screw rod 5 to rotate, so that the mounting sleeve 6 moves downwards at uniform speed, and conversely moves upwards, when the uniform speed is downward, the connecting rod 7 also moves downwards along with the uniform speed, when the placing component 9 moves up and down, the second lifting rod 10 can drive the moving slide block 13 to move in the limiting slide groove 12, so as to play a role of limiting and stabilizing, further driving the first lifting rod 8 to stably place the high manganese steel lining plate on the hollow placing plate 16 in the quenching bath 15 for quenching treatment, wherein the height of the inner bath 18 is lower than that of the outer bath 19, further playing a role in preventing splashing, the design of the guide cambered surface 21 plays a role in drainage, when the water overflows, the water flows into the overflow ring groove 20 through the guide arc surface 21 to collect the water.
The present invention has been described in general terms in the foregoing, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto based on the present invention. Therefore, modifications or improvements are within the scope of the invention without departing from the spirit of the inventive concept.

Claims (8)

1. A casting process of a high manganese steel lining plate used in an as-cast state is characterized in that: the casting process of the as-cast high manganese steel lining plate comprises the following steps:
step one, preparing a furnace charge used in an as-cast state;
step two, smelting the high manganese steel lining plate; furnace burden and modeling material;
step three, designing a casting process;
and step four, heat treatment, cutting and welding.
2. The casting process of an as-cast high manganese steel liner plate according to claim 1, wherein: the preparation of the charge used as cast in the first step further comprises: high-quality carbon steel, high-carbon ferromanganese, medium-carbon ferromanganese and high-carbon ferrochrome.
3. The casting process of an as-cast high manganese steel liner plate according to claim 1, wherein: and step two, smelting the medium and high manganese steel lining plate, further comprising the following steps:
a1: smelting carbon steel, putting the carbon steel into a furnace, adding ferromanganese for a few times, and finally adding precious elements to reduce burning loss, wherein the material block is preferably less than 80 mm;
a2: when the furnace temperature reaches 1600 ℃, deoxidizing, dehydrogenating and denitrifying, wherein aluminum wires can be used, and Si-Ca alloy or SiC and other materials can also be used;
a3: pressing the deoxidizer to deep inside the furnace, covering the metal liquid surface with covering agent to block the outside air, and after a period of sedation, making the oxide and inclusion float upwards for a sufficient time.
A4: baking the casting ladle to above 400 ℃, and performing modification treatment on various trace elements such as V-Fe, Ti-Fe, rare earth and the like during tapping until crystallization.
4. The casting process of an as-cast high manganese steel liner plate according to claim 1, wherein: the casting process design in the third step further comprises the following steps:
b1: the pouring system is open, a plurality of scattered ingates are led in from the thin wall of the casting and are in a flat and wide horn shape, the sectional area close to the casting is larger than the sectional area connected with the horizontal pouring channel, so that molten metal is quickly and stably injected into the casting mold, and the temperature difference in the whole casting mold is prevented from being overlarge;
b2: the diameter of the riser is larger than that of the hot junction, the height of the riser is 2.5-3.0 times of the diameter of the hot junction, and the hot riser and even the casting head are integrated, so that sufficient high-temperature molten metal can not be used for ensuring the vacancy of the casting during solidification and shrinkage.
5. The casting process of an as-cast high manganese steel liner plate according to claim 1, wherein: the fourth step comprises heat treatment, cutting and welding, and further comprises the following steps:
c1: the heat treatment is carried out below 350 ℃, the steel plate is placed into a quenching bath, the water inlet temperature is less than 30 ℃, after quenching, the water temperature is less than 50 ℃, and the water amount is not less than 8 times of the weight of the casting;
c2: placing the casting in water, wherein the cut part is exposed out of the water;
c3: the operation method of small current, weak electric arc, small welding bead, multiple welding layers, low temperature and less heat is adopted.
6. The casting quenching equipment for the high manganese steel lining plate used in the cast state comprises a quenching bath (15), and is characterized in that: a stabilizing base (1) is arranged at the bottom of the quenching tank (15), a first supporting vertical plate (2) is fixedly mounted on the left side of the upper portion of the stabilizing base (1), a left transverse plate (3) is fixedly mounted on the right side of the first supporting vertical plate (2), a motor (4) is fixedly mounted on the upper portion of the left transverse plate (3), a lead screw (5) is arranged on the lower portion of the left transverse plate (3), an installation sleeve (6) is movably mounted outside the lead screw (5), a connecting rod (7) is arranged on the right side of the installation sleeve (6), a first lifting rod (8) is fixedly mounted at the bottom of the connecting rod (7), and a placing component (9) is fixedly mounted at the bottom of the first lifting rod (8);
the placing assembly (9) comprises a limiting ring (17), and a hollow placing plate (16) is fixedly mounted on the inner side of the limiting ring (17).
7. The casting process of an as-cast high manganese steel liner plate according to claim 6, wherein: place the right side fixed mounting of subassembly (9) and have second lifter (10), the upper portion fixed mounting of second lifter (10) has removal slider (13), the upper right portion fixed mounting who stabilizes base (1) has second support riser (11), the left side that second support riser (11) is provided with spacing spout (12), remove slider (13) movable mounting in the inside of spacing spout (12), the upper portion fixed mounting that second supported riser (11) has right diaphragm (14).
8. The casting process of an as-cast high manganese steel liner plate according to claim 6, wherein: the quenching tank (15) comprises an inner tank (18), an outer tank (19) is arranged on the outer side of the inner tank (18), overflow ring grooves (20) are formed in the inner side of the outer tank (19) and the outer side of the inner tank (18), and a guide arc surface (21) is arranged on the upper portion of the inner tank (18).
CN202111587947.3A 2021-12-23 2021-12-23 Casting process of as-cast high manganese steel lining plate Pending CN114210934A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111587947.3A CN114210934A (en) 2021-12-23 2021-12-23 Casting process of as-cast high manganese steel lining plate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111587947.3A CN114210934A (en) 2021-12-23 2021-12-23 Casting process of as-cast high manganese steel lining plate

Publications (1)

Publication Number Publication Date
CN114210934A true CN114210934A (en) 2022-03-22

Family

ID=80705296

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111587947.3A Pending CN114210934A (en) 2021-12-23 2021-12-23 Casting process of as-cast high manganese steel lining plate

Country Status (1)

Country Link
CN (1) CN114210934A (en)

Similar Documents

Publication Publication Date Title
CN106029254B (en) Method and apparatus for manufacturing the longer ingot casting with larger cross section
CN108300929B (en) A kind of processing method of plate and its feeding mechanism of continuous casting installation for casting
US4064925A (en) Continuous casting method and apparatus
CN106011639A (en) Method for producing low-alloy peritectic steel by conventional slab continuous casting machine
US9643241B2 (en) Continuous casting method
CN114210934A (en) Casting process of as-cast high manganese steel lining plate
JP5082700B2 (en) Steel continuous casting method
KR20140129895A (en) Tundish for continuous casting
JP4725244B2 (en) Ladle for continuous casting and method for producing slab
CN113649538B (en) Automatic slag line changing system of slab caster based on molten steel temperature control
CN110860683B (en) High-purity molten iron slag-free control casting equipment and process for pig casting machine
CN209555281U (en) A kind of dual-purpose slag disk of iron-making and steel-making
JP6188642B2 (en) Bottom pouring method
JP2019532822A (en) Casting structure and casting method using the same
JP4289476B2 (en) High cleanliness steel casting method
JP2011194420A (en) Method of producing high cleanliness steel
JP2015217419A (en) Bottom-pouring ingot making method
SU1369864A1 (en) Method of continuous casting of low-carbon alloyed steel
JP3558815B2 (en) High cleanliness steel continuous casting method with tundish equipped with fixed weir with closed bottom
SU712193A1 (en) Method of making ingots
WO2016061423A1 (en) Method of continuous casting
KR100642778B1 (en) Continuous casting method
JPH08267199A (en) Method for continuous casting of high cleanliness steel using tundish provided with openable/closable weir
JP3262936B2 (en) Operating method for high clean steel casting.
JPH05200534A (en) Treating device for discharging plugging sand from steel tapping hole of ladle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination