CN113996768A - Crystallizer for semi-continuous casting of Monel square billet - Google Patents
Crystallizer for semi-continuous casting of Monel square billet Download PDFInfo
- Publication number
- CN113996768A CN113996768A CN202111287246.8A CN202111287246A CN113996768A CN 113996768 A CN113996768 A CN 113996768A CN 202111287246 A CN202111287246 A CN 202111287246A CN 113996768 A CN113996768 A CN 113996768A
- Authority
- CN
- China
- Prior art keywords
- crystallizer
- water
- cooling sleeve
- water cooling
- crystallizer body
- 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
Links
- 229910000792 Monel Inorganic materials 0.000 title claims abstract description 34
- 238000009749 continuous casting Methods 0.000 title claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 238000001816 cooling Methods 0.000 claims abstract description 50
- 238000005266 casting Methods 0.000 claims abstract description 30
- 239000000498 cooling water Substances 0.000 claims abstract description 25
- 238000005507 spraying Methods 0.000 claims abstract description 20
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 12
- 239000000956 alloy Substances 0.000 claims abstract description 12
- 230000007704 transition Effects 0.000 claims abstract description 5
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 11
- 238000005098 hot rolling Methods 0.000 abstract description 7
- 238000003801 milling Methods 0.000 abstract description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- QZLJNVMRJXHARQ-UHFFFAOYSA-N [Zr].[Cr].[Cu] Chemical compound [Zr].[Cr].[Cu] QZLJNVMRJXHARQ-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C9/00—Alloys based on copper
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Continuous Casting (AREA)
Abstract
The invention provides a crystallizer for semi-continuous casting of Monel square billets, which comprises a crystallizer body forming a casting cavity, wherein a water cooling sleeve is circumferentially arranged on the outer side of the crystallizer body, and a gap type cooling water channel is formed between the water cooling sleeve and the crystallizer body; the water cooling sleeve is provided with a water inlet pipe, and the bottom of the water cooling sleeve is provided with a water spraying flange; the front side and the rear side of the crystallizer body are cambered surfaces, and the connecting part of any two sides of the front side, the rear side, the left side and the right side of the crystallizer body is in arc transition. The invention provides a crystallizer for semi-continuous casting aiming at a non-vacuum casting Monel alloy square billet with the thickness of more than 120mm and the width-to-thickness ratio of more than 4, wherein the crystallizer is designed with a certain radian on the width, so that the front side surface and the rear side surface of a crystallizer body are cambered surfaces, the Monel alloy liquid can be uniformly cooled in a casting cavity, the width surface is flat after the Monel alloy liquid is cooled, the structure is uniform, the surface milling amount is small, and the quality is stable and reliable in subsequent hot rolling.
Description
Technical Field
The invention relates to the technical field of semi-continuous casting, in particular to a crystallizer for semi-continuous casting of Monel square billets.
Background
Monel sheet materials are widely used in various occasions due to the characteristics of excellent corrosion resistance, good welding performance and the like, and the square billet casting of the Monel sheet materials is divided into vacuum casting and non-vacuum casting. At present, Monel square billets with the thickness of more than 120mm and the width-thickness ratio of more than 4 (width/thickness) are mostly melted in a vacuum furnace and poured into a rectangular iron mold for natural cooling, and because the width of the Monel square billet in the iron mold is more than 4 times of the thickness, the cooling is obviously slow, the structure is easy to be uneven, and the defects of rolling cracking and the like are caused in the subsequent hot rolling.
Disclosure of Invention
The invention aims to overcome and supplement the defects in the prior art, and provides a crystallizer for semi-continuous casting of Monel square billets, which is mainly used for non-vacuum casting Monel square billets with the thickness of more than 120mm and the width-to-thickness ratio of more than 4, so that the cooled square billets have uniform tissues, are beneficial to the subsequent hot rolling process, and are not easy to crack during rolling.
In order to achieve the purpose, the invention adopts the following technical scheme:
a crystallizer for the semi-continuous casting of Monel square billets comprises a crystallizer body forming a casting cavity, wherein a water cooling sleeve is circumferentially arranged on the outer side of the crystallizer body; a gap type cooling water channel is formed between the water cooling sleeve and the crystallizer body; the water cooling sleeve is provided with a water inlet pipe, and the bottom of the water cooling sleeve is provided with a water spraying flange.
Preferably, the front side surface and the rear side surface of the crystallizer body are both cambered surfaces, and the connecting parts of any two side surfaces of the front side surface, the rear side surface, the left side surface and the right side surface of the crystallizer body are in arc transition.
Preferably, the width of the mold body is a, the thickness of the mold body is b, and a: b > 4.
Preferably, the number of the water inlet pipes perpendicular to the width direction of the crystallizer body is c, the number of the water inlet pipes perpendicular to the thickness direction of the crystallizer body is d, and c: d > 3: 1.
preferably, water inlet pipes are arranged on the periphery of the water cooling sleeve; and the water inlet pipe is provided with an adjusting valve and a pressure gauge.
Preferably, the water cooling jacket is provided with a water cooling jacket outer shell.
Preferably, the radius of an inner hole of the water spraying flange is 1.5-2.5mm, and the included angle between the water flow spraying direction of the water spraying flange and the central line of the casting cavity is 60 degrees.
Preferably, the width of the slit cooling water channel is 1.5-2 mm.
Preferably, the water cooling sleeve is cast by a ductile iron sand mold, and the thickness of the water cooling sleeve is 10-30 mm.
Preferably, the components of the crystallizer body 1 comprise, by mass, 0.6-1.2% of Cr0.1-0.2% of Zr, and the balance of copper; the crystallizer body 1 is made of CuCrZr.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a crystallizer for semi-continuous casting aiming at a non-vacuum casting Monel alloy square billet with the thickness of more than 120mm and the width-to-thickness ratio of more than 4, wherein the crystallizer is designed with a certain radian on the width, so that the front side surface and the rear side surface of a crystallizer body are cambered surfaces, the Monel alloy liquid can be uniformly cooled in a casting cavity, the width surface is flat after the Monel alloy liquid is cooled, the structure is uniform, the surface milling amount is small, the continuous casting Monel alloy square billet is beneficial to a subsequent hot rolling process, and the Monel alloy square billet is not easy to crack during rolling.
Drawings
Fig. 1 is a front view of the structural components of the present invention.
Fig. 2 is a bottom view of the structural components of the present invention.
In the figure, 1-crystallizer body; 2-water cooling jacket; 3-a slit cooling water channel; 4-water inlet pipe; 5-a water spraying flange; 6-water cooling jacket shell; 11-casting cavity.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, and it is to be understood 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.
As shown in fig. 1 and 2: a crystallizer for semi-continuous casting of Monel square billets comprises a crystallizer body 1 forming a casting cavity 11, wherein a water cooling sleeve 2 is circumferentially arranged on the outer side of the crystallizer body 1; a gap type cooling water channel 3 is formed between the water cooling sleeve 2 and the crystallizer body 1; the water cooling sleeve 2 is provided with a water inlet pipe 4, and the bottom of the water cooling sleeve 2 is provided with a water spraying flange 5.
The invention sets up the water cooling jacket 2 outside the body 1 of the crystallizer, and the said water cooling jacket 2 and body 1 of the crystallizer enclose into a cooling water cavity namely the slit type cooling water course 3, there are inlet tubes 4 around the water cooling jacket 2, the external water pump sends the cooling water to each way of inlet tubes 4 at the same time, the water of each way of inlet tubes 4 enters the slit type cooling water course 3, after pouring Monel alloy liquid into casting cavity 11, the heat is conducted to the cooling water through the sidewall of the body 1 of the crystallizer, carry on the water-cooling once; the cooling water is directly sprayed on the cast ingot through a water spraying flange 5 at the bottom of the water cooling jacket 2 to take away a large amount of heat of the cast ingot, and secondary water cooling is carried out. The produced square billet product has uniform structure, less milling amount and stable and reliable quality in subsequent hot rolling.
Specifically, the front side and the back side of the crystallizer body 1 are both cambered surfaces, and the connecting part between any two sides of the front side, the back side, the left side and the right side of the crystallizer body 1 is in arc transition.
The crystallizer body 1 is designed with a certain radian in width, so that the front side surface and the rear side surface of the crystallizer body 1 are cambered surfaces, the Monel liquid can be uniformly cooled in the casting cavity 11, the width surface is smooth after the Monel liquid is cooled, the milling surface amount is small, and the defects of cracking and the like are not easy to occur in subsequent hot rolling.
In an embodiment of the present invention, the width of the mold body 1 is a, the thickness of the mold body 1 is b, and a: b > 4; this allows the production of billets having a width to thickness ratio greater than 4 (width/thickness).
Further, in another embodiment, the number of the water inlet pipes 4 perpendicular to the width direction of the mold body 1 is c, the number of the water inlet pipes 4 perpendicular to the thickness direction of the mold body 1 is d, and c: d > 3: 1.
because the width-thickness ratio of the square billet is more than 4, the ratio of the number of the water inlet pipes in the width and the thickness is set to be more than 3: 1, the square billet can be fully and fully cooled in an all-around way, and the cooled square billet has uniform tissue.
In the embodiment of the invention, water inlet pipes 4 are arranged on the periphery of the water cooling sleeve 2, and regulating valves and pressure gauges are arranged on the water inlet pipes 4.
In order to ensure the consistency of the flow pressure of each water inlet pipe, a regulating valve and a pressure gauge are arranged between each water inlet pipe and the water cooling sleeve, so that the water cooling sleeve is accurately controlled.
Further, in some embodiments of the present invention, the water cooling jacket 2 is provided with a water cooling jacket housing 6. The water cooling jacket shell is arranged to play a role in protecting the water cooling jacket 2.
Further, in another embodiment, the radius of the inner hole of the water spraying flange 5 is 1.5-2.5mm, and the included angle between the water flow spraying direction of the water spraying flange 5 and the center line of the casting cavity 11 is 60 degrees.
The radius of the inner hole of the water spraying flange 5 is set to be 1.5-2.5mm, so that smaller cooling water flow can be obtained, and the smaller cooling water flow can reduce the cracking tendency in the casting process; the included angle between the water flow spraying direction of the water spraying flange 5 and the central line of the casting cavity 11 is set to be 60 degrees, so that the cooling water jets which are distributed uniformly can be obtained, and the cast ingot can be cooled by the cooling water conveniently.
Further, in another embodiment, the width of the slit cooling water channel 3 is 1.5-2 mm; the width is the width of the gap enclosed by the water cooling sleeve 2 and the crystallizer body 1, namely the width is the distance between the water cooling sleeve 2 and the crystallizer body 1, and the smaller gap can be filled with cooling water rapidly, so that the crystallizer body 1 can be cooled rapidly and uniformly.
In the embodiment of the invention, the water cooling jacket 2 is cast by a ductile iron sand mold, and the thickness of the water cooling jacket is 10-30 mm; the nodular cast iron is a high-strength cast iron material and is suitable for casting parts with high requirements on strength, toughness and wear resistance.
In the embodiment of the invention, the crystallizer body 1 is formed by forging chromium-zirconium-copper with a forging ratio of more than 4 and then machining, and specifically, the components of the crystallizer body 1 comprise, by mass, 0.6-1.2% of Cr0.6, 0.1-0.2% of Zr and the balance of copper; the crystallizer body 1 is made of CuCrZr.
It should be noted that the thickness of the cooled Monel square billet is more than 120mm, the bottom of the crystallizer body 1 is provided with a movable base as a movable bottom of the casting cavity 11, the base is used for drawing and supporting the cast ingot, and the cast ingot is continuously pulled out of the casting cavity 11 by a transmission mechanism of the casting machine through the base in the casting process.
The invention relates to a using method of a crystallizer for semi-continuous casting of Monel square billets, which comprises the following steps: the external water pump simultaneously sends cooling water to each water inlet pipe 4, and the cooling water in each water inlet pipe 4 enters a slit type cooling water channel 3 formed between the water cooling jacket 2 and the crystallizer body 1; the base is used as a movable bottom of the casting cavity 11 and plays a forming role together with the crystallizer body 1, after Monel liquid is injected into the casting cavity 11, heat is conducted to cooling water through the side wall of the crystallizer body 1, and the Monel liquid in the crystallizer body 1 is rapidly and uniformly cooled and condensed into a state of a solid shell on the outer surface (the inner surface is not completely solidified and is still liquid). The cooling water is sprayed on the solid shell on the outer surface directly through the cooling water with a spraying angle of 60 degrees of a water spraying flange 5 at the bottom of the water cooling jacket 2 to cool the Monel ingot. In the semi-continuous casting process, the transmission mechanism of the casting machine continuously pulls the cast ingot out of the casting cavity 11 through the base. Because the width of the crystallizer body 1 is designed into a certain radian in consideration of the Monel cooling rate, and the arc transition is designed at the junction of the width and the thickness, after Monel liquid is injected into the casting cavity 11, the width surface of the square billet cooled finally can be smooth, the milling amount is small, the structure is uniform, and the defect of cracking is not easy to occur in the subsequent hot rolling.
Finally, it should be noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to examples, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (10)
1. A crystallizer for the semi-continuous casting of monel billets, comprising a crystallizer body (1) defining a casting cavity (11), characterized in that: a water cooling sleeve (2) is circumferentially arranged on the outer side of the crystallizer body (1); a gap type cooling water channel (3) is formed between the water cooling sleeve (2) and the crystallizer body (1); the water cooling sleeve (2) is provided with a water inlet pipe (4), and the bottom of the water cooling sleeve (2) is provided with a water spraying flange (5).
2. The crystallizer of claim 1, wherein: the crystallizer is characterized in that the front side surface and the rear side surface of the crystallizer body (1) are cambered surfaces, and the connecting parts of any two side surfaces of the front side surface, the rear side surface, the left side surface and the right side surface of the crystallizer body (1) are in arc transition.
3. The crystallizer for semi-continuous casting of Monel alloy billets as claimed in claim 2, wherein: the width of the crystallizer body (1) is a, the thickness of the crystallizer body (1) is b, and a: b > 4.
4. The crystallizer for semi-continuous casting of Monel alloy billets as claimed in claim 3, wherein: the number of the water inlet pipes (4) which are vertical to the width direction of the crystallizer body (1) is c, the number of the water inlet pipes (4) which are vertical to the thickness direction of the crystallizer body (1) is d, and c: d > 3: 1.
5. the crystallizer of claim 4, wherein: water inlet pipes (4) are arranged on the periphery of the water cooling sleeve (2); and the water inlet pipe (4) is provided with an adjusting valve and a pressure gauge.
6. The crystallizer for semi-continuous casting of Monel alloy billets as claimed in any one of claims 1 to 5, wherein: and a water cooling sleeve shell (6) is arranged on the water cooling sleeve (2).
7. The crystallizer of claim 1, wherein: the radius of an inner hole of the water spraying flange (5) is 1.5-2.5mm, and the included angle between the water flow spraying direction of the water spraying flange (5) and the central line of the casting cavity (11) is 60 degrees.
8. The crystallizer of claim 1, wherein: the width of the slit-type cooling water channel (3) is 1.5-2 mm.
9. The crystallizer of claim 1, wherein: the water cooling sleeve (2) is cast by a ductile iron sand mold, and the thickness of the water cooling sleeve is 10-30 mm.
10. The crystallizer of claim 1, wherein: the crystallizer body (1) comprises the following components, by mass, 0.6-1.2% of Cr0.1-0.2% of Zr, and the balance of copper; the crystallizer body (1) is made of CuCrZr.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111287246.8A CN113996768A (en) | 2021-11-02 | 2021-11-02 | Crystallizer for semi-continuous casting of Monel square billet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111287246.8A CN113996768A (en) | 2021-11-02 | 2021-11-02 | Crystallizer for semi-continuous casting of Monel square billet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113996768A true CN113996768A (en) | 2022-02-01 |
Family
ID=79926303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111287246.8A Pending CN113996768A (en) | 2021-11-02 | 2021-11-02 | Crystallizer for semi-continuous casting of Monel square billet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113996768A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101745618A (en) * | 2008-12-18 | 2010-06-23 | 苏州有色金属研究院有限公司 | Non-continuous water cooling device for aluminum alloy casting |
| CN201960100U (en) * | 2011-03-17 | 2011-09-07 | 大连大山结晶器有限公司 | Copper pipe of continuous casting square billet crystallizer |
| CN202224617U (en) * | 2011-09-30 | 2012-05-23 | 宁波正元铜合金有限公司 | Metal semicontinuous casting crystallizer |
| CN105290351A (en) * | 2015-11-13 | 2016-02-03 | 江阴兴澄特种钢铁有限公司 | Cogged ingot continuous casting crystallizer copper pipe not prone to deformation |
| CN106513603A (en) * | 2016-12-29 | 2017-03-22 | 西南铝业（集团）有限责任公司 | Crystallizer |
| CN107243609A (en) * | 2017-06-16 | 2017-10-13 | 浙江天宁合金材料有限公司 | A kind of copper and copper alloy casting crystallizer |
| CN211727411U (en) * | 2019-12-31 | 2020-10-23 | 大连大山铜业有限公司 | Crystallizer for producing square billet copper alloy cast ingot |
| JP2021065910A (en) * | 2019-10-24 | 2021-04-30 | 三菱アルミニウム株式会社 | Casting apparatus |
-
2021
- 2021-11-02 CN CN202111287246.8A patent/CN113996768A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101745618A (en) * | 2008-12-18 | 2010-06-23 | 苏州有色金属研究院有限公司 | Non-continuous water cooling device for aluminum alloy casting |
| CN201960100U (en) * | 2011-03-17 | 2011-09-07 | 大连大山结晶器有限公司 | Copper pipe of continuous casting square billet crystallizer |
| CN202224617U (en) * | 2011-09-30 | 2012-05-23 | 宁波正元铜合金有限公司 | Metal semicontinuous casting crystallizer |
| CN105290351A (en) * | 2015-11-13 | 2016-02-03 | 江阴兴澄特种钢铁有限公司 | Cogged ingot continuous casting crystallizer copper pipe not prone to deformation |
| CN106513603A (en) * | 2016-12-29 | 2017-03-22 | 西南铝业（集团）有限责任公司 | Crystallizer |
| CN107243609A (en) * | 2017-06-16 | 2017-10-13 | 浙江天宁合金材料有限公司 | A kind of copper and copper alloy casting crystallizer |
| JP2021065910A (en) * | 2019-10-24 | 2021-04-30 | 三菱アルミニウム株式会社 | Casting apparatus |
| CN211727411U (en) * | 2019-12-31 | 2020-10-23 | 大连大山铜业有限公司 | Crystallizer for producing square billet copper alloy cast ingot |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104889350B (en) | Round steel ingot mould and round ingot manufacture method | |
| CN109909315B (en) | Processing technology of high-precision thin-wall pure aluminum or aluminum alloy pipe | |
| CN112355256B (en) | Ultra-high-speed billet continuous casting device and production method | |
| CN112872297B (en) | Stepped feeding casting process for large-sized profile section casting | |
| CN201380275Y (en) | Plate blank continuous casting crystallizer | |
| CN104999037A (en) | Concreting system for thin-walled cylindrical part and precision casting formation method | |
| CN108405821A (en) | The casting device and method of the big specification magnesium alloy slab ingot of flawless | |
| CN104174819B (en) | The climb casting technique of machine third-level planetary frame of a kind of ocean platform | |
| CN111618266A (en) | Method for controlling pulling speed of small square billet | |
| CN113996768A (en) | Crystallizer for semi-continuous casting of Monel square billet | |
| CN106862508B (en) | A kind of arc-shaped narrow copper plate crystallizer | |
| CN110129577B (en) | Core crystallizer for casting hollow ingot and water-cooled crystallizer containing core crystallizer | |
| WO2021035604A1 (en) | Low-cold electromagnetic semi-continuous casting device and method | |
| CN108927504A (en) | A kind of casting technique of aluminium alloy large-sized engine crankcase part | |
| CN204276841U (en) | The fourplatemold that a kind of width face cools respectively | |
| CN114626224A (en) | Method for determining inner cavity taper of ultrahigh-pulling-speed square billet continuous casting crystallizer | |
| CN113857444A (en) | High-pulling-speed crystallizer suitable for producing plain carbon steel | |
| CN210208580U (en) | Cast-rolling precooling pouring device | |
| CN108356239A (en) | A kind of special-shaped billet continuous casting machine crystallizer copper pipe and its manufacturing method | |
| JPS632535A (en) | Production of steel ingot for forging | |
| CN114643347B (en) | Method for controlling thickness of slag pool of electroslag casting variable-section casting | |
| CN218983102U (en) | Cooling structure optimized scale vein | |
| CN117463986B (en) | Method for improving castability of ultra-thick high-carbon steel | |
| CN213162977U (en) | Split type crystallizer | |
| CN210702430U (en) | Multi-stage cooling crystallizer for zinc white copper horizontal continuous casting unit |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220201 |
|
| RJ01 | Rejection of invention patent application after publication |