CN111100969A - Core-spun yarn and manufacturing method thereof - Google Patents
Core-spun yarn and manufacturing method thereof Download PDFInfo
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- CN111100969A CN111100969A CN202010016270.7A CN202010016270A CN111100969A CN 111100969 A CN111100969 A CN 111100969A CN 202010016270 A CN202010016270 A CN 202010016270A CN 111100969 A CN111100969 A CN 111100969A
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- steel belt
- layer steel
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- outer layer
- calcium
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- 238000004519 manufacturing process Methods 0.000 title claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 189
- 239000010959 steel Substances 0.000 claims abstract description 189
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical group [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000011575 calcium Substances 0.000 claims abstract description 33
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 28
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 229910052751 metal Inorganic materials 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 239000012535 impurity Substances 0.000 claims description 3
- 239000011800 void material Substances 0.000 abstract description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000007670 refining Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003031 feeding effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
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- 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
- C21C7/0056—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 using cored wires
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
The invention discloses a cored wire, wherein a calcium core is arranged in an inner layer steel belt, an outer layer steel belt is arranged on the outer side of the inner layer steel belt, two ends of a joint of the inner layer steel belt are mutually lapped in a mutual-lapping way, the two ends are mutually superposed and are in pressing contact, so that the inner layer steel belt is in a circular shape; the two ends of the opening of the outer layer steel belt are overlapped with each other, the overlapped parts are folded once again to form a hasp, hasp connection is formed, the connection position of the hasp is extruded, the hasp is sunken to be level with the surface of the outer layer, the core-spun yarn is extruded to be in a circular state, and the surface of the core-spun yarn is in a flat circular shape; the pure calcium core-spun yarn has the technical effects that the inner layer steel belt is tightened, and the outer layer steel belt is buckled in the concave manner, so that the compactness of the pure calcium yarn is further enhanced, the hardness of the core-spun yarn is increased, the feeding depth of the core-spun yarn is furthest improved, and the void ratio of the pure calcium yarn is reduced. The double-layer cored wire structure ensures that the calcium can be fed into the deep part of molten steel, and ensures the yield of calcium metal.
Description
Technical Field
The invention relates to a molten steel purification material in the metallurgical industry, in particular to a cored wire and a manufacturing method thereof.
Background
The existing calcium treatment is a molten steel refining means developed in the 70 s of the 20 th century, and calcium core wires or calcium core-spun wires are adopted for molten steel refining, but because the melting point of calcium metal is low (845 ℃) and the boiling point is low (1450 ℃), the calcium metal is easy to float up to the surface of steel slag in molten steel and reacts with oxygen in air and oxides in slag liquid to be lost, and simultaneously, large-scale molten steel and steel slag splashing is caused, and the field operation is influenced.
In the existing smelting process, the core-spun yarn is fed to the deep position of molten steel as much as possible during the yarn feeding, the static pressure of the molten metal is utilized to prevent calcium metal from being gasified quickly, the retention time of the calcium metal in the molten steel is prolonged, a good calcium treatment effect is realized on the molten steel, in order to improve the yield of calcium, in the prior art, the core-spun yarn is fed to the deep position of the molten steel, one of the methods is to increase the feeding speed of the core-spun yarn, so that the core-spun yarn enters the deep position of the molten steel quickly at a higher speed, but the common core-spun yarn only wraps the inner core with an iron sheet outer wrapping layer, the strength of the core-spun yarn is common, after the core-spun yarn is fed into the molten steel through a yarn feeder, along with the increase of the feeding depth, the temperature of the core-spun yarn is higher, the strength of the core-spun yarn is poorer, the core-spun yarn can be sprayed, the core-spun yarn is caused to move irregularly in molten steel, the deviation of the yield of calcium metal is large, and the wire feeding effect is influenced. Therefore, for the core-spun yarn, the higher the degree of compactness, the higher the strength of the core-spun yarn, and the deeper the feeding depth, but the strength of the existing calcium core wire can not meet the requirements.
Disclosure of Invention
According to the defects of the prior art, the cored wire is characterized by comprising a calcium core, an inner steel belt and an outer steel belt; the calcium core is arranged in the inner steel belt, the outer steel belt is arranged outside the inner steel belt, two ends of the joint of the inner steel belt are mutually lapped, two ends are mutually superposed and are in pressed contact, so that the inner steel belt is in a circular shape; the two ends of the opening of the outer layer steel belt are overlapped with each other, the overlapped parts are folded once again to form a hasp, hasp connection is formed, the hasp connection part is extruded, the hasp is enabled to be parallel and level to the surface of the outer layer, the core-spun yarn is extruded to be in a circular state, and the surface of the core-spun yarn is in a flat circular shape.
Further, the calcium core is made of metal calcium core; after being extruded by the inner layer steel belt, the steel belt is in a round shape, and the diameter is 6.0mm-6.4 mm.
Further, the inner layer steel belt and the outer layer steel belt are made of steel belts, and the surfaces of the inner layer steel belt and the outer layer steel belt are bright; the thickness of the inner layer steel belt is 0.6mm-0.8mm, and the thickness of the outer layer steel belt is 0.4mm-0.6 mm.
Further, the diameter of the cored wire is 8.7mm-9.3 mm.
Further, the calcium core comprises the following chemical components in percentage by mass: not less than 98 percent, and the balance being impurities.
Further, the preparation steps of the cored wire are as follows:
s10: preparing materials: respectively calculating the widths of the inner steel belt and the outer steel belt according to the diameter of the core-spun yarn, and carrying out material preparation on the inner steel belt and the outer steel belt; meanwhile, according to the chemical composition mass percentage of the calcium core, Ca is as follows: more than or equal to 98 percent, preparing a calcium core;
s20: feeding: simultaneously conveying the calcium core and the inner steel strip prepared in the step S10 into a wrapping machine;
s30: pressing a U-shaped inner layer steel belt: setting an initial row wheel interval and opening the opening to the maximum, wherein the inner layer steel belt enters the row wheel as described in the step 20, the two ends of the inner layer steel belt are extruded to tilt, the interval of the row wheels is adjusted, the opening is gradually reduced, and the smooth inner layer steel belt is extruded to form a U shape;
s40: pressing an inner layer steel belt: further adjusting the distance between the running wheels, further reducing the opening, continuously inward-retracting two ends of the U-shaped inner layer steel belt to gradually become a circular closed steel belt, and overlapping a part of two ends of the opening and pressing the two ends by an extruding device right above the track;
s50: feeding outer steel strips: simultaneously conveying the circular inner-layer steel strip and the circular outer-layer steel strip wrapped with the calcium cores in the step S40 to a wrapping machine;
s60: pressing the outer layer steel belt into a U shape: setting an initial row wheel interval and a maximum opening, wherein an outer layer steel belt enters a row wheel, two ends of the outer layer steel belt are extruded to tilt, the extrusion force is weak at one side and strong at the other side, the opening is gradually reduced along with the row wheel interval, and the outer layer steel belt is extruded to form a U-shaped steel belt with a high side and a low side;
s70: superposing outer steel belts: the distance between the running wheels is further adjusted, the opening is further reduced, the rest parts at the two ends of the steel belt are overlapped upwards due to the non-edge extrusion effect, and one side of the steel belt is higher and the other side of the steel belt is lower;
s80: extruding an outer steel belt: further adjusting the running wheel to continue running, extruding and folding the higher part from the higher end of the outer layer steel belt to the lower end, and extruding left and right to enable the higher part to be tightly contacted;
s90: manufacturing an outer layer steel belt buckle: pressing the tightly pressed redundant part of the cored wire in the step S60 from the same direction as that in the step S60, so that the redundant part is folded and tightly contacted with the outer layer steel belt to form a buckle;
s100: pressing an outer steel belt: the hasp is downwards extruded by the extruding device right above the track, so that the hasp does not protrude out of the surface of the outer layer steel belt and is parallel and level with the outer layer steel belt, and the cored wire is ensured to be circular.
The pure calcium core-spun yarn has the technical effects that the inner layer steel belt is tightened, and the outer layer steel belt is buckled in the concave manner, so that the compactness of the pure calcium yarn is further enhanced, the hardness of the core-spun yarn is increased, the feeding depth of the core-spun yarn is furthest improved, and the void ratio of the pure calcium yarn is reduced. The cored wire does not need other mechanical equipment, can be produced only by the extrusion action of the mechanical travelling wheel, simplifies the production process, reduces the energy consumption, effectively reduces the rejection rate, improves the productivity and saves the cost. The double-layer cored wire structure adopted by the invention ensures that the cored wire can be fed deep into molten steel, ensures the yield of metal calcium, and ensures smooth wire feeding and smooth production due to the smooth outer layer surface. The invention has the advantages of high compactness, low porosity, uniform and appropriate thickness and strong flexibility, ensures the melting time and the reaction time of the calcium metal and realizes no splashing.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a flow chart illustrating the steps of the manufacturing method of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, in the embodiment, a cored wire is disclosed, which includes a calcium core 1, an inner steel belt 2, and an outer steel belt 3; the calcium core 1 is arranged in the inner layer steel belt 2, the calcium core is extruded into a circular shape through the inner layer steel belt 2 and wrapped inside the inner layer steel belt 2, the compactness degree is improved as much as possible, the outer layer steel belt 3 is arranged on the outer side of the inner layer steel belt 2, and thus the calcium core 1, the inner layer steel belt 2 and the outer layer steel belt 3 form a double-layer structure of the cored wire, two ends of a connector of the inner layer steel belt 2 are mutually overlapped, the two ends are mutually superposed and are in pressing contact, and the inner layer steel belt 2 is made into a circular shape; like this calcium core 1 is through the extrusion of inlayer steel band 2 for the further increase of 1 fine and close degree of calcium core, the opening both ends of outer steel band 3 coincide each other, fold formation hasp once more with the part of coinciding each other, form hasp connection, the hasp junction extrudees, makes the hasp sunken and outer surperficial parallel and level, and the covering wire is squeezed into circular state, and the surface of covering wire is smooth circular form. In this embodiment, the inner steel band is tightened up, the outer steel band hasp is sunken to be adducted, the compactness of pure calcium wire is further strengthened, the hardness of cored wire is increased, the feeding depth of the cored wire is improved to the maximum extent, and the void ratio in the pure calcium wire is reduced. The cored wire can be produced only by the extrusion action of the mechanical travelling wheel without other mechanical equipment, so that the production process is simplified, the energy consumption is reduced, the rejection rate is effectively reduced, the productivity is improved, and the cost is saved. The double-layer cored wire structure adopted by the invention ensures that the cored wire can be fed deep into molten steel, ensures the yield of metal calcium, and ensures smooth wire feeding and smooth production due to the smooth outer layer surface. The invention has the advantages of high compactness, low porosity, uniform and appropriate thickness and strong flexibility, ensures the melting time and the reaction time of the calcium metal and realizes no splashing.
The preparation steps of the cored wire in this example are as follows:
s10: preparing materials: respectively calculating the widths of the inner steel belt 2 and the outer steel belt 3 according to the diameter of the core-spun yarn by using the inner steel belt 2 and the outer steel 3, and carrying out material processing on the inner steel belt 2 and the outer steel belt 3; meanwhile, according to the chemical composition of the calcium core 1, the mass percentage of Ca is as follows: more than or equal to 98 percent, preparing a calcium core;
s20: feeding: simultaneously conveying the calcium core 1 and the inner steel strip 2 prepared in the step S10 into a wrapping machine;
s30: pressing a U-shaped inner layer steel belt: setting an initial row wheel interval and opening the opening to the maximum, wherein the inner layer steel belt 2 enters the row wheels as described in the step 20, extruding two ends of the inner layer steel belt 2 to tilt, adjusting the row wheel interval, gradually reducing the opening, and extruding the flat inner layer steel belt 2 to form a U shape;
s40: pressing the inner layer steel belt 2: further adjusting the distance between the running wheels, further reducing the opening, continuously inward-retracting two ends of the U-shaped inner steel belt 2 to gradually become a circular closed steel belt, and overlapping a part of two ends of the opening and pressing the two ends by an extruding device right above the track;
s50: feeding outer steel strips: simultaneously conveying the circular inner-layer steel strip 2 and the circular outer-layer steel strip 3 wrapped with the calcium cores in the step S40 to a wrapping machine;
s60: pressing the outer layer steel belt into a U shape: setting an initial row wheel interval and a maximum opening, wherein the outer layer steel belt 3 enters the row wheels, two ends of the outer layer steel belt 3 are extruded to be tilted, the extrusion force is weak at one side and strong at the other side, the opening is gradually reduced along with the row wheel interval, and the outer layer steel belt 3 is extruded to form a U-shaped steel belt with a high side and a low side;
s70: superposing outer steel belts: the distance between the running wheels is further adjusted, the opening is further reduced, and due to the non-edge extrusion effect, the rest parts at the two ends of the outer layer steel belt are overlapped upwards, and one side of the outer layer steel belt is higher and the other side of the outer layer steel belt is lower;
s80: extruding an outer steel belt: further adjusting the running wheel to continue running, extruding and folding the higher part from the higher end of the outer layer steel belt 3 to the lower end, and extruding left and right to make the parts contact tightly;
s90: manufacturing an outer layer steel belt buckle: pressing the tightly pressed redundant part of the cored wire in the step S60 from the same direction as that in the step S60, so that the redundant part is turned over and tightly contacted with the outer layer steel belt 3 to form a buckle;
s90: pressing an outer steel belt: the hasp is downwards extruded by the extruding device right above the track, so that the hasp does not protrude out of the surface of the outer layer steel belt 3 and is flush with the outer layer steel belt 3, and the cored wire is ensured to be circular.
To further illustrate the technical effects achieved by the present invention, the following examples and yield data are provided,
1, specification of a finished product: diameter of the core-spun yarn: 9.0 plus or minus 0.3 mm;
calcium core diameter: 6.3 mm;
thickness of the inner layer steel belt: 0.75 mm;
thickness of an outer layer steel belt: 0.55 mm;
when the embodiment is used on 210t steel ladles in a certain steel mill, the embodiment can be smoothly used in wire feeding equipment, the wire feeding speed is 3m/s, the average yield of metallic calcium can reach 31.59 percent, and the phenomenon of molten steel splashing does not occur.
2, specification of a finished product: diameter of the core-spun yarn: 9.0 +/-0.3 mm
Calcium core diameter: 6.0mm
Thickness of the inner layer steel belt: 0.8mm
Thickness of an outer layer steel belt: 0.6mm
When the embodiment is used in a refining furnace of 150tLF steelmaking department of a certain steel mill, the wire feeding equipment can be smoothly used, the wire feeding speed is 2.5m/s, the average yield of metallic calcium can reach 29.26 percent, and the phenomenon of molten steel splashing does not occur.
The yield of the calcium metal obtained in the above examples is higher than that of the calcium metal in the prior art.
The material of the calcium core 3 in this embodiment is a metallic calcium core; the diameter of the core-spun yarn is 8.7mm-9.3 mm; after being extruded by the inner layer steel belt 2, the steel belt is in a circular shape, and the diameter is 6.0mm-6.4 mm. The inner layer steel belt 2 and the outer layer steel belt 3 are made of steel belts, and the surfaces of the inner layer steel belt 2 and the outer layer steel belt 3 are bright; the thickness of the inner layer steel belt 2 is 0.6mm-0.8mm, and the thickness of the outer layer steel belt 3 is 0.4mm-0.6 mm. The calcium core in the above examples comprises, in mass percent, Ca: not less than 98 percent, and the balance being impurities.
As preferred embodiments of the present invention, it is apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and can be embodied in other specific forms without departing from the spirit or essential characteristics thereof, and the scope thereof is also covered by the present invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A cored wire is characterized by comprising a calcium core, an inner steel belt and an outer steel belt; the calcium core is arranged in the inner steel belt, the outer steel belt is arranged outside the inner steel belt, two ends of the joint of the inner steel belt are mutually lapped, two ends are mutually superposed and are in pressed contact, so that the inner steel belt is in a circular shape; the two ends of the opening of the outer layer steel belt are overlapped with each other, the overlapped parts are folded once again to form a hasp, hasp connection is formed, the hasp connection part is extruded, the hasp is enabled to be parallel and level to the surface of the outer layer, the core-spun yarn is extruded to be in a circular state, and the surface of the core-spun yarn is in a flat circular shape.
2. A cored wire of claim 1, wherein the calcium core is made of calcium metal; after being extruded by the inner layer steel belt, the steel belt is in a round shape, and the diameter is 6.0mm-6.4 mm.
3. A cored wire as claimed in claim 1, wherein the material of the inner steel strip and the outer steel strip is a steel strip, and the surfaces of the inner steel strip and the outer steel strip are bright; the thickness of the inner layer steel belt is 0.6mm-0.8mm, and the thickness of the outer layer steel belt is 0.4mm-0.6 mm.
4. A cored wire according to any of claims 1 to 3, wherein the diameter of the cored wire is 8.7mm to 9.3 mm.
5. A cored wire as claimed in any of claims 1 to 4, wherein the calcium core has a chemical composition of, by mass percent, Ca: not less than 98 percent, and the balance being impurities.
6. A method of manufacturing a cored wire of any of claims 1 to 4, wherein the cored wire is manufactured by the steps of:
s10: preparing materials: respectively calculating the widths of the inner steel belt and the outer steel belt according to the diameter of the core-spun yarn, and carrying out material preparation on the inner steel belt and the outer steel belt; meanwhile, according to the chemical composition mass percentage of the calcium core, Ca is as follows: more than or equal to 98 percent, preparing a calcium core;
s20: feeding: simultaneously conveying the calcium core and the inner steel strip prepared in the step S10 into a wrapping machine;
s30: pressing a U-shaped inner layer steel belt: setting an initial row wheel interval and opening the opening to the maximum, wherein the inner layer steel belt enters the row wheel as described in the step 20, the two ends of the inner layer steel belt are extruded to tilt, the interval of the row wheels is adjusted, the opening is gradually reduced, and the smooth inner layer steel belt is extruded to form a U shape;
s40: pressing an inner layer steel belt: further adjusting the distance between the running wheels, further reducing the opening, continuously inward-retracting two ends of the U-shaped inner layer steel belt to gradually become a circular closed steel belt, and overlapping a part of two ends of the opening and pressing the two ends by an extruding device right above the track;
s50: feeding outer steel strips: simultaneously conveying the circular inner-layer steel strip and the circular outer-layer steel strip wrapped with the calcium cores in the step S40 to a wrapping machine;
s60: pressing the outer layer steel belt into a U shape: setting an initial row wheel interval and a maximum opening, wherein an outer layer steel belt enters a row wheel, two ends of the outer layer steel belt are extruded to tilt, the extrusion force is weak at one side and strong at the other side, the opening is gradually reduced along with the row wheel interval, and the outer layer steel belt is extruded to form a U-shaped steel belt with a high side and a low side;
s70: superposing outer steel belts: the distance between the running wheels is further adjusted, the opening is further reduced, and due to the non-edge extrusion effect, the rest parts at the two ends of the outer layer steel belt are overlapped upwards, and one side of the outer layer steel belt is higher and the other side of the outer layer steel belt is lower;
s80: extruding an outer steel belt: further adjusting the running wheel to continue running, extruding and folding the higher part from the higher end of the outer layer steel belt to the lower end, and extruding left and right to enable the higher part to be tightly contacted;
s90: manufacturing an outer layer steel belt buckle: pressing the tightly pressed redundant part of the cored wire in the step S60 from the same direction as that in the step S60, so that the redundant part is folded and tightly contacted with the outer layer steel belt to form a buckle;
s100: pressing an outer steel belt: the hasp is downwards extruded by the extruding device right above the track, so that the hasp does not protrude out of the surface of the outer layer steel belt and is parallel and level with the outer layer steel belt, and the cored wire is ensured to be circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010016270.7A CN111100969A (en) | 2020-01-08 | 2020-01-08 | Core-spun yarn and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010016270.7A CN111100969A (en) | 2020-01-08 | 2020-01-08 | Core-spun yarn and manufacturing method thereof |
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| CN111100969A true CN111100969A (en) | 2020-05-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115418438A (en) * | 2022-09-22 | 2022-12-02 | 南京浦江合金材料股份有限公司 | Barium-containing high-magnesium dual-effect cored wire and preparation process thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980079202A (en) * | 1997-04-30 | 1998-11-25 | 토니 헬샴 | Cored wire for thermal spraying and welding |
| KR19990008992A (en) * | 1997-07-05 | 1999-02-05 | 토니헬샴 | Strip for cored wire for welding and thermal spraying and cored wire having the same |
| US6346135B1 (en) * | 1998-12-10 | 2002-02-12 | Minerals Technologies Inc. | Cored wire for treating molten metal |
| CN203021601U (en) * | 2013-01-10 | 2013-06-26 | 赵丙龙 | Double-layer solid-core pure-calcium core-spun thread |
| CN204620632U (en) * | 2015-02-13 | 2015-09-09 | 上海盛宝冶金科技有限公司 | The production unit of the pure calcium line of a kind of efficient splashproof |
| CN211522246U (en) * | 2020-01-08 | 2020-09-18 | 湛江盛宝科技有限公司 | Core-spun yarn |
-
2020
- 2020-01-08 CN CN202010016270.7A patent/CN111100969A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19980079202A (en) * | 1997-04-30 | 1998-11-25 | 토니 헬샴 | Cored wire for thermal spraying and welding |
| KR19990008992A (en) * | 1997-07-05 | 1999-02-05 | 토니헬샴 | Strip for cored wire for welding and thermal spraying and cored wire having the same |
| US6346135B1 (en) * | 1998-12-10 | 2002-02-12 | Minerals Technologies Inc. | Cored wire for treating molten metal |
| CN203021601U (en) * | 2013-01-10 | 2013-06-26 | 赵丙龙 | Double-layer solid-core pure-calcium core-spun thread |
| CN204620632U (en) * | 2015-02-13 | 2015-09-09 | 上海盛宝冶金科技有限公司 | The production unit of the pure calcium line of a kind of efficient splashproof |
| CN211522246U (en) * | 2020-01-08 | 2020-09-18 | 湛江盛宝科技有限公司 | Core-spun yarn |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115418438A (en) * | 2022-09-22 | 2022-12-02 | 南京浦江合金材料股份有限公司 | Barium-containing high-magnesium dual-effect cored wire and preparation process thereof |
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