CN107695309A - A kind of air-cooled ingot mould and its pouring technology - Google Patents
A kind of air-cooled ingot mould and its pouring technology Download PDFInfo
- Publication number
- CN107695309A CN107695309A CN201710850147.3A CN201710850147A CN107695309A CN 107695309 A CN107695309 A CN 107695309A CN 201710850147 A CN201710850147 A CN 201710850147A CN 107695309 A CN107695309 A CN 107695309A
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- Prior art keywords
- ingot mould
- air
- ingot
- mould
- cooled
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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
- B22D7/00—Casting ingots, e.g. from ferrous metals
- B22D7/06—Ingot moulds or their manufacture
- B22D7/064—Cooling the ingot moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
It can not only shorten the ingot crystal time the present invention relates to one kind and improve production efficiency,And steel ingot internal crystallization tissue can be improved,Mitigate low power segregation,The air-cooled ingot mould and its pouring technology that especially banded structure is segregated and poured into a mould,Opened up in the die wall of original ingot mould and be machined with gas port,Opened up in the outside of original ingot mould and be machined with steam vent,Each corresponding gas port of steam vent,Opened up in the bottom of original ingot mould and be machined with air slot,The air slot of original ingot mould bottom connects the gas port in the ingot mould die wall,The bleed hole for being machined with and being connected with air slot is opened up in the bottom sides of ingot mould,The bleed hole is connected by attachment means and blowing plant,Realize influence of the compressed air to ingot crystal process,Can thoroughly solve composition and the microstructure segregation defect that following process caused by spontaneous nucleation process can not overcome,Reach raising molding production efficiency,Improve the purpose of crystalline structure.
Description
Technical field
The invention belongs to mold the air-cooled process design technology field of production steel ingot, steel ingot can not only be shortened by being related to one kind
Crystallization time and raising production efficiency, and steel ingot internal crystallization tissue can be improved, mitigate low power segregation, especially banding group
The air-cooled ingot mould and its pouring technology knitted segregation and poured into a mould.
Background technology
Most domestic steel mill steel ingot production at present is natural cooling, but constantly carrying with product comprehensive quality requirement
Height, the ingot crystal tissue that natural cooling is obtained can not meet the needs of subsequent production, and human intervention natural process is whole
The development trend of individual industry.Development experiments water cooling steel ingot process units in the same industry, but because high-temperature molten steel is grasped to live water cooling
The safety coefficient of work requires higher, and water cooling steel ingot is not widely used.To product quality and safe operation based on more than
Requirement, design and develop special air-cooled steel ingot process units, i.e., after molten steel is poured into ingot mould, it is empty that compression be passed through in ingot mould
Gas strengthens the crystallisation by cooling of steel ingot, is technical problem anxious to be resolved.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art and nature knot can thoroughly be solved by providing one kind
The composition and the air-cooled ingot mould and its pouring technology of microstructure segregation defect that following process caused by brilliant process can not overcome, with up to
Production efficiency is molded to improving, improves the purpose of crystalline structure.
The object of the present invention is achieved like this：
A kind of air-cooled ingot mould, it is characterised in that：Opened up in the die wall of original ingot mould and be machined with gas port, in original steel ingot
The outside of mould, which opens up, is machined with steam vent, the corresponding gas port of each steam vent, processing is opened up in the bottom of original ingot mould
There is air slot, the air slot of original ingot mould bottom connects the gas port in the ingot mould die wall, at the bottom of ingot mould
Portion side opens up the bleed hole for being machined with and being connected with air slot, and the bleed hole passes through attachment means and blowing plant phase
Connect, realize influence of the compressed air to ingot crystal process.
The gas port is the air vent for being drilled in vertical direction at 1/2 wall thickness of original ingot mould, air vent edge circle
Week is uniformly distributed.
The bore dia of the gas port is >=Ф 40mm, pitch of holes 150mm, along 100- on the distance from top ingot mould in hole
150mm。
The air slot that processing is opened up in the bottom of original ingot mould is ring-shaped gas-guiding trench, the ring-shaped gas-guiding trench connection
All gas ports.
The bottom sides in ingot mould open up the bleed hole being connected with air slot of processing, are opened in ingot mould two
On individual corresponding surface, bleed hole one and bleed hole two are offered in two obverse bottoms, bleed hole connects with ring-shaped gas-guiding trench
Connect, blowing plant is connected with two bleed holes respectively by two attachment means.
A kind of air-cooled ingot mould, it is characterised in that：When air-cooled ingot mould is cast directly in the die wall of air-cooled ingot mould
Airway tube is embedded to, the spool two-port of airway tube is respectively bleed hole and steam vent, and the bleed hole passes through attachment means and pressure
Contracting air assembly is connected, and compressed air directly intervenes the crystallization process of steel ingot by bleed hole.
The airway tube being embedded in the die wall of air-cooled ingot mould is helical form airway tube.
The helical form airway tube is a diameter of >=Ф 40mm spiraltron being embedded in advance in casting sand type, spiral
The two-port of spool is respectively bleed hole and steam vent, after air-cooled ingot mould cast molding, at the wall thickness of ingot mould 1/2 from bottom to top
Spiral distribution has a diameter >=Ф 40mm helical form gas port.
The bleed pitch-row is from edge≤50mm in air-cooled ingot mould molten steel rise hole, steam vent edge on air-cooled ingot mould
100-150mm, blowing plant are connected by attachment means and bleed hole.
A kind of pouring technology of ingot mould air-cooled as mentioned, it is characterised in that：Concrete technology is as follows：
Step 1）, air-cooled ingot mould carried out putting mould by normal molding production requirement prepared, then by as above requirements connection compression
Air assembly is standby,
Step 2）, open to pour in air-cooled ingot mould and blowing plant work opened after 10min, that is, start to be passed through compressed air, press
The pressure of contracting air is not less than 8kg, and compressed air initial temperature is not more than 25 DEG C, and supply gas pressure was stepped up in 5 minutes from 0
To maximum, continuing to be passed through compressed air after cast terminates, 30min closes compressed air before mould is carried away from air-cooled ingot mould,
Step 3）, close after compressed air the attachment means of blowing plant of dismantling, be ready to carry mould.
The present invention has following good effect：
The steel ingot production of most domestic steel mill is natural cooling at present, but constantly carrying with product comprehensive quality requirement
Height, the ingot crystal tissue that natural cooling is obtained can not meet the needs of subsequent production, and human intervention natural process is whole
The development trend of individual industry, thoroughly to solve caused by spontaneous nucleation process, the composition that following process can not overcome and tissue it is inclined
Analyse defect.
The present invention realizes the effect of human intervention crystallization from the air-cooled technological design of steel ingot, and the present invention one is in original steel
Improvement and design, increase bleed hole, air slot and gas port are carried out on the basis of ingot mould, and compressed air pair is realized by attachment means
The influence of ingot crystal process；Second, airway tube is directly embedded to when ingot mould is cast, while reserved bleed hole, compressed air can
Directly intervene the crystallization process of steel ingot by bleed hole；Third, by the design and application implementation of air-cooled technique, realize and improve mould
Cast production efficiency, improve the purpose of crystalline structure.
Therefore the present invention can not only shorten the ingot crystal time and improve production efficiency, and can improve inside steel ingot
Crystalline structure, mitigate low power segregation especially banded structure and be segregated.
Brief description of the drawings
Fig. 1 is designed improved structural representation for the present invention on the basis of existing ingot mould.
Fig. 2 is designed improved structure top view for the present invention on the basis of existing ingot mould.
Fig. 3 is the present invention is embedded to airway tube structural representation in the die wall when ingot mould is cast directly in ingot mould.
Fig. 4 is the structural representation for the attachment means that the present invention is connected with blowing plant.
Embodiment
Embodiments thereof that the present invention is further described below in conjunction with the accompanying drawings.
Embodiment 1：As shown in Figure 1, 2, the invention discloses a kind of air-cooled ingot mould, opened in the die wall of original ingot mould
If being machined with gas port 1, opened up in the outside of ingot mould and be machined with steam vent 2, the corresponding gas port 1 of each steam vent 2,
The bottom of original ingot mould, which opens up, is machined with air slot 3, and the air slot 3 of the ingot mould bottom is connected in the ingot mould die wall
Gas port 1, open up the bleed hole 4 for being machined with and being connected with air slot 3 in the bottom sides of ingot mould, the bleed hole 4 is logical
Cross attachment means 7 to be connected with blowing plant, realize influence of the compressed air to ingot crystal process.
The present invention is designed transformation on the basis of existing ingot mould, i.e., brill >=Ф 40mm lead at 1/2 wall thickness of ingot mould
Air holes, air vent are circumferentially uniformly distributed, pitch of holes 150mm, and number can have according to the ingot mould size design of different ingot shapes
Body is shown in Fig. 1,2, and the gas port 1 is the air vent for being drilled in vertical direction at 1/2 wall thickness of original ingot mould, the air vent edge
Even circumferential is distributed.The bore dia of the gas port 1 is >=Ф 40mm, pitch of holes 150mm, on the distance from top ingot mould in hole
Along 100-150mm.
The air slot 3 that processing is opened up in the bottom of original ingot mould is ring-shaped gas-guiding trench, and the ring-shaped gas-guiding trench connects
Lead to all gas ports 1.
The bottom sides in ingot mould open up the bleed hole 4 being connected with air slot 3 of processing, are opened in ingot mould
On two corresponding surfaces, bleed hole 1 and bleed hole 26, bleed hole 4 and ring-type air guide are offered in two obverse bottoms
Groove is connected, and blowing plant is connected with two bleed holes 5,6 respectively by two attachment means 7.The attachment means 7 are one
Kind compressed air hose, the pipe are arranged on bearing 8, and the size of bearing 8 designs according to the actual size of ingot mould.The compressed air
The bottom sides of pipe UNICOM ingot mould open up bleed hole 4 and the blowing plant of processing, and blowing plant is air compression
Machine.Steel ingot is air-cooled to carry out circulating cooling by attachment means with compressed air into ingot mould, and attachment means are shown in Fig. 4.
The air-cooled preparation with ingot mould：
As shown in figure 1 above, according to ingot mould actual size situation, at 1/2 wall thickness of ingot mould, drilled since bottom,
Aperture >=Ф 40mm, pitch of holes control are circumferentially uniformly distributed in 150mm, hole, the top in hole away from ingot mould along 100-
150mm, steam vent 2, the corresponding gas port 1 of each steam vent 2 are bored from ingot mould outside.As shown in Fig. 1,2, at ingot mould bottom
Portion's car ring-shaped gas-guiding trench, air slot 3 connect all gas ports 1, ingot mould any two corresponding surface are selected, in bottom car bleed
Hole 1 and bleed hole 26, bleed hole 4 are connected with air slot 3, and compressed air passes through two such as Fig. 4 attachment means and bleed holes
4 connections.
A kind of pouring technology of above-mentioned air-cooled ingot mould, concrete technology are as follows：
Step 1）, air-cooled ingot mould carried out putting mould by normal molding production requirement prepared, then by as above requirements connection compression
Air assembly is standby,
Step 2）, open to pour in air-cooled ingot mould and blowing plant work opened after 10min, that is, start to be passed through compressed air, press
The pressure of contracting air is not less than 8kg, and compressed air initial temperature is not more than 25 DEG C, and supply gas pressure was stepped up in 5 minutes from 0
To maximum, continuing to be passed through compressed air after cast terminates, 30min closes compressed air before mould is carried away from ingot mould,
Step 3）, close after compressed air the attachment means of blowing plant of dismantling, be ready to carry mould.
Embodiment 2：As shown in figure 3, a kind of air-cooled ingot mould, buried in the die wall when ingot mould is cast directly in ingot mould
Enter airway tube, the spool two-port of airway tube is respectively bleed hole and steam vent, and the bleed hole passes through attachment means and compression
Air assembly is connected, and compressed air directly intervenes the crystallization process of steel ingot by bleed hole.When casting ingot mould, exist in advance
A diameter of >=Ф 40mm spool is embedded in casting sand type, after direct casting shaping, spiral divides from bottom to top in ingot mould wall thickness
One diameter of cloth >=Ф 40mm through hole, is specifically shown in Fig. 3.
The airway tube being embedded in the die wall of ingot mould is helical form airway tube.The helical form airway tube is in advance
The spiraltron for a diameter of >=Ф 40mm being embedded in casting sand type, the two-port of spiraltron is respectively bleed hole and exhaust
Hole, after ingot mould cast molding, Spiral distribution has a diameter >=Ф 40mm helical form from bottom to top at the wall thickness of ingot mould 1/2
Gas port.
The bleed pitch-row from edge≤50mm in ingot mould molten steel rise hole, steam vent on ingot mould along 100-150mm,
Blowing plant is connected by attachment means and bleed hole.
Air-cooled steel ingot technique for applying：Air-cooled ingot mould is carried out putting mould preparation by normal molding production requirement, then by as above
It is required that connection compressed air is standby, start to be passed through compressed air after steel ingot is opened and pours 10min, the pressure of compressed air is not less than
8kg（I.e. >=800KPa）, no more than 25 DEG C, supply gas pressure was stepped up to maximum compressed air initial temperature in 5 minutes from 0
Value, continues to be passed through compressed air after cast terminates, and 30min closes compressed air before mould is carried away from steel ingot, according to ingot shape size,
10-30 minutes are fulfiled ahead of schedule than former technique using the demoulding time of air-cooled rear steel ingot, therefore, close the time of compressed air by this
Accumulation calculating.Fig. 4 compressed air attachment means of dismantling are closed after compressed air, are ready to carry mould.
Claims (10)
- A kind of 1. air-cooled ingot mould, it is characterised in that：Opened up in the die wall of original ingot mould and be machined with gas port, in ingot mould Outside open up and be machined with steam vent, the corresponding gas port of each steam vent, open up and be machined with the bottom of original ingot mould Air slot, the air slot of the ingot mould bottom connects the gas port in the ingot mould die wall, in the bottom sides of ingot mould The bleed hole for being machined with and being connected with air slot is opened up, the bleed hole is connected by attachment means and blowing plant, Realize influence of the compressed air to ingot crystal process.
- 2. air-cooled ingot mould according to claim 1, it is characterised in that：The gas port is be drilled in original ingot mould 1/ The air vent of vertical direction at 2 wall thickness, the air vent are circumferentially uniformly distributed.
- 3. air-cooled ingot mould according to claim 2, it is characterised in that：The bore dia of the gas port is >=Ф 40mm, Pitch of holes is 150mm, along 100-150mm on the distance from top ingot mould in hole.
- 4. air-cooled ingot mould according to claim 1, it is characterised in that：It is described to open up processing in the bottom of original ingot mould Air slot be ring-shaped gas-guiding trench, the ring-shaped gas-guiding trench connects all gas ports.
- 5. air-cooled ingot mould according to claim 1, it is characterised in that：The bottom sides in ingot mould open up processing The bleed hole being connected with air slot, be opened on two corresponding surfaces of ingot mould, offered in two obverse bottoms Bleed hole one and bleed hole two, bleed hole are connected with ring-shaped gas-guiding trench, blowing plant by two attachment means respectively with Two bleed holes are connected.
- A kind of 6. air-cooled ingot mould, it is characterised in that：Airway tube is embedded in die wall when ingot mould is cast directly in ingot mould, The spool two-port of airway tube is respectively bleed hole and steam vent, and the bleed hole passes through attachment means and blowing plant phase Connect, compressed air directly intervenes the crystallization process of steel ingot by bleed hole.
- 7. air-cooled ingot mould according to claim 6, it is characterised in that：The air guide being embedded in the die wall of ingot mould Manage as helical form airway tube.
- 8. air-cooled ingot mould according to claim 7, it is characterised in that：The helical form airway tube is in advance in casting model powder The spiraltron for a diameter of >=Ф 40mm being embedded in type, the two-port of spiraltron are respectively bleed hole and steam vent, steel ingot After mould cast molding, Spiral distribution has a diameter >=Ф 40mm helical form gas port from bottom to top at the wall thickness of ingot mould 1/2.
- 9. air-cooled ingot mould according to claim 8, it is characterised in that：The bleed pitch-row is from ingot mould molten steel rise hole Edge≤50mm, steam vent are connected on ingot mould along 100-150mm, blowing plant by attachment means and bleed hole.
- A kind of 10. pouring technology of air-cooled ingot mould as described in claim 1 or 6, it is characterised in that：Concrete technology is as follows：Step 1）, air-cooled ingot mould carried out putting mould by normal molding production requirement prepared, then by as above requirements connection compression Air assembly is standby,Step 2）, open to pour in air-cooled ingot mould and blowing plant work opened after 10min, that is, start to be passed through compressed air, press The pressure of contracting air is not less than 8kg, and compressed air initial temperature is not more than 25 DEG C, and supply gas pressure was stepped up in 5 minutes from 0 To maximum, continuing to be passed through compressed air after cast terminates, 30min closes compressed air before mould is carried away from ingot mould,Step 3）, close after compressed air the attachment means of blowing plant of dismantling, be ready to carry mould.
Priority Applications (1)
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|---|---|---|---|
| CN201710850147.3A CN107695309B (en) | 2017-09-18 | 2017-09-18 | A kind of air-cooled ingot mould and its pouring technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710850147.3A CN107695309B (en) | 2017-09-18 | 2017-09-18 | A kind of air-cooled ingot mould and its pouring technology |
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| CN107695309B CN107695309B (en) | 2019-10-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877281A (en) * | 2019-01-31 | 2019-06-14 | 武汉科技大学 | A kind of molten metal coagulation system and its heat preserving method |
| CN111136227A (en) * | 2020-02-12 | 2020-05-12 | 山东宝鼎重工实业有限公司 | Cooling process for eliminating steel ingot banded structure |
| CN111496199A (en) * | 2019-01-30 | 2020-08-07 | 上海交通大学 | Device for increasing cooling speed of cast ingot and application method thereof |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB277264A (en) * | 1927-05-26 | 1927-09-15 | Reinhold Carl Krause | Improvements relating to ingot moulds |
| GB728411A (en) * | 1952-02-29 | 1955-04-20 | Gussstahlwerk Bochumer Ver Ag | An improved mould and a method of manufacture thereof |
| DE1255245B (en) * | 1963-01-29 | 1967-11-30 | Henri Jean Daussan Dipl Ing | Mold |
| JPS5115805B2 (en) * | 1972-02-29 | 1976-05-19 | ||
| JPS5568155A (en) * | 1978-11-18 | 1980-05-22 | Takashi Takeda | Cast ingot making device |
| SU884835A1 (en) * | 1978-07-04 | 1981-11-30 | За витель | Ingot mould |
| JP2006297413A (en) * | 2005-04-18 | 2006-11-02 | Daido Steel Co Ltd | Method for producing magnesium alloy ingot |
| CN201231310Y (en) * | 2008-05-15 | 2009-05-06 | 中国科学院金属研究所 | Low-segregation large-size ingot obtaining device through quickening the cooling of the bottom, lateral wall |
| CN102266918A (en) * | 2011-08-22 | 2011-12-07 | 莱芜钢铁集团有限公司 | Water-cooling ingot mould with conical degree |
| CN102699287A (en) * | 2012-06-04 | 2012-10-03 | 孙柏良 | Novel steel ingot water cooling casting mold and novel steel ingot water cooling casting method |
| CN202804107U (en) * | 2012-09-21 | 2013-03-20 | 宝鸡海吉钛镍有限公司 | Novel mold device with cooling system |
| CN104399897A (en) * | 2014-12-07 | 2015-03-11 | 西安诺博尔稀贵金属材料有限公司 | Tool for casting NiCrAlYSi alloy target and casting method |
| CN204262302U (en) * | 2014-11-27 | 2015-04-15 | 佛山市巨亚铝业有限公司 | A kind of aluminium ingot casting die structure |
| CN204934570U (en) * | 2015-09-23 | 2016-01-06 | 辽宁忠旺集团有限公司 | A kind of aluminium alloy apparatus for pouring |
| CN106734997A (en) * | 2016-12-16 | 2017-05-31 | 攀枝花市蓝天锻造有限公司 | Round steel ingot mould |
-
2017
- 2017-09-18 CN CN201710850147.3A patent/CN107695309B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB277264A (en) * | 1927-05-26 | 1927-09-15 | Reinhold Carl Krause | Improvements relating to ingot moulds |
| GB728411A (en) * | 1952-02-29 | 1955-04-20 | Gussstahlwerk Bochumer Ver Ag | An improved mould and a method of manufacture thereof |
| DE1255245B (en) * | 1963-01-29 | 1967-11-30 | Henri Jean Daussan Dipl Ing | Mold |
| JPS5115805B2 (en) * | 1972-02-29 | 1976-05-19 | ||
| SU884835A1 (en) * | 1978-07-04 | 1981-11-30 | За витель | Ingot mould |
| JPS5568155A (en) * | 1978-11-18 | 1980-05-22 | Takashi Takeda | Cast ingot making device |
| JP2006297413A (en) * | 2005-04-18 | 2006-11-02 | Daido Steel Co Ltd | Method for producing magnesium alloy ingot |
| CN201231310Y (en) * | 2008-05-15 | 2009-05-06 | 中国科学院金属研究所 | Low-segregation large-size ingot obtaining device through quickening the cooling of the bottom, lateral wall |
| CN102266918A (en) * | 2011-08-22 | 2011-12-07 | 莱芜钢铁集团有限公司 | Water-cooling ingot mould with conical degree |
| CN102699287A (en) * | 2012-06-04 | 2012-10-03 | 孙柏良 | Novel steel ingot water cooling casting mold and novel steel ingot water cooling casting method |
| CN202804107U (en) * | 2012-09-21 | 2013-03-20 | 宝鸡海吉钛镍有限公司 | Novel mold device with cooling system |
| CN204262302U (en) * | 2014-11-27 | 2015-04-15 | 佛山市巨亚铝业有限公司 | A kind of aluminium ingot casting die structure |
| CN104399897A (en) * | 2014-12-07 | 2015-03-11 | 西安诺博尔稀贵金属材料有限公司 | Tool for casting NiCrAlYSi alloy target and casting method |
| CN204934570U (en) * | 2015-09-23 | 2016-01-06 | 辽宁忠旺集团有限公司 | A kind of aluminium alloy apparatus for pouring |
| CN106734997A (en) * | 2016-12-16 | 2017-05-31 | 攀枝花市蓝天锻造有限公司 | Round steel ingot mould |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111496199A (en) * | 2019-01-30 | 2020-08-07 | 上海交通大学 | Device for increasing cooling speed of cast ingot and application method thereof |
| CN109877281A (en) * | 2019-01-31 | 2019-06-14 | 武汉科技大学 | A kind of molten metal coagulation system and its heat preserving method |
| CN111136227A (en) * | 2020-02-12 | 2020-05-12 | 山东宝鼎重工实业有限公司 | Cooling process for eliminating steel ingot banded structure |
| CN111136227B (en) * | 2020-02-12 | 2021-07-23 | 山东宝鼎重工实业有限公司 | Cooling process for eliminating steel ingot banded structure |
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| Publication number | Publication date |
|---|---|
| CN107695309B (en) | 2019-10-08 |
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Effective date of registration: 20180806 Address after: 459000 531 Industrial Park, Tiger Hill Industrial Cluster, Jiyuan City, Jiaozuo, Henan Applicant after: Henan Zhongyuan special steel equipment manufacturing Co., Ltd. Address before: 459000 Xiao Zhai, Jiyuan Town, Jiyuan City, Henan Applicant before: Zhongyuan Special Steel Co., Ltd. |
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