CN102329915A - Lead compound core spun yarn - Google Patents
Lead compound core spun yarn Download PDFInfo
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- CN102329915A CN102329915A CN201110112375A CN201110112375A CN102329915A CN 102329915 A CN102329915 A CN 102329915A CN 201110112375 A CN201110112375 A CN 201110112375A CN 201110112375 A CN201110112375 A CN 201110112375A CN 102329915 A CN102329915 A CN 102329915A
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Abstract
The invention discloses a lead compound core spun yarn used for lead alloying. The core spun yarn comprises a steel tape sheath and core powder, wherein the core powder comprises lead powder or lead powder and one or more than two of additive materials: CaCO3 powder, Ca-Si powder, Fe powder and FeS powder. The recovery rate of lead in a matrix can be stably increased by feeding the lead compound core spun yarn into the liquid matrix through a yarn feeding machine, component control is accurate, the distribution uniformity of lead can be improved, and the granularity of lead in the matrix material can be refined. Because little lead steam overflows, the workshop production environment is improved, environmental pollution and harm to operating personnel caused by the overflow of lead steam are reduced.
Description
Technical field
The present invention relates to a kind of cored-wire that is used for LYization, particularly a kind of plumbous composite core-spun yarn belongs to metallurgical technology field.
Background technology
Lead-containing materials is owing to good free cutting property, and characteristics such as surface smoothness height, dimensional precision height are widely used in many fields such as household electrical appliance, instrument, automobile manufacture industry.At present, the production technique leading mode of lead-containing materials mainly is that lead button, galvanized wire or lead are directly added in the liquid matrix, and the problem of its existence is: the recovery of (1) lead is lower, is merely 40～60%; (2) reclaim instability, the Composition Control difficulty is big; (3) plumbous thick at skewness, the particle of body material; (4) add in the process of lead button lead steam and overflow manyly, contaminate environment is also damaged health of operators.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of can feed the plumbous composite core-spun yarn in the liquid matrix through wire feeder; Thereby put forward the plumbic recovery; Make Composition Control more accurate; And improve plumbous distributing homogeneity at body material, the granularity of refinement lead in body material reduces in the production process to the pollution of environment with to operator's injury.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of plumbous composite core-spun yarn.This cored-wire is made up of steel-tape sheath and core powder, and the core powder is by lead powder, or lead powder and interpolation material: CaCO
3One or more compositions in powder, Ca-Si powder, Ca powder, Fe powder, the FeS powder.Adding material can be CaCO
3Wherein a kind of in powder, Ca-Si powder, Ca powder, Fe powder, the FeS powder also can be all, is used to promote plumbous diffusion.
Above-mentioned plumbous composite core-spun yarn; Be that diameter is the cored-wire of Φ 8～Φ 20 or other size diameter or other profile; Described steel band is the thick common low carbon carbon steel strip of 0.1～0.5mm, and described core powder degree is that 0～3mm (is that lead powder is 0～3mm) with the granularity of adding material.
Aforesaid plumbous composite core-spun yarn, in the said core powder: the weight percent content of lead powder is 50～100%, CaCO
3The weight percent content of powder is 0～15%, and the weight percent content of Ca-Si powder is 0～20%, and the weight percent content of Ca powder is 0～10%, and the weight percent content of Fe powder is 0～10%, and the weight percent content of FeS powder is 0～20%.
Aforesaid plumbous composite core-spun yarn, said core powder content can be such combination, in the core powder: the weight percent content of lead powder is 50～100%, CaCO
3The weight percent content of powder is 0～5%, and the weight percent content of Ca-Si powder is 0～15%, and the weight percent content of Ca powder is 0～10%, and the weight percent content of Fe powder is 0～10%, and the weight percent content of FeS powder is 0～10%.
Aforesaid plumbous composite core-spun yarn, said core powder content can also be such combination, in the core powder: the weight percent content of lead powder is 85～100%, CaCO
3The weight percent content of powder is 0～15%.
Aforesaid plumbous composite core-spun yarn, said core powder content can also be such combination, and in the core powder: the weight percent content of lead powder is 80～100%, and the weight percent content of Ca-Si powder is 0～20%.
Aforesaid plumbous composite core-spun yarn, said core powder content can also be such combination, and in the core powder: the weight percent content of lead powder is 80～100%, and the weight percent content of Ca powder is 0～10%, and the weight percent content of Fe powder is 0～10%.
Aforesaid plumbous composite core-spun yarn, said core powder content can also be such combination, and in the core powder: the weight percent content of lead powder is 80～100%, and the weight percent content of FeS powder is 0～20%.
Aforesaid plumbous composite core-spun yarn, said core powder content can also be such combination, in the core powder: the weight percent content of lead powder is 75～100%, CaCO
3The weight percent content of powder is 0～5%, and the weight percent content of FeS powder is 0～20%.
Aforesaid plumbous composite core-spun yarn; Said core powder content can also be such combination, and in the core powder: the weight percent content of lead powder is 60～100%, and the weight percent content of Ca powder is 0～10%; The weight percent content of Fe powder is 0～10%, and the weight percent content of FeS powder is 0～20%.
Beneficial effect: the present invention adopts the form of sheath heart yearn or plumbous composite core-spun yarn, through realizing LYization in the wire feeder feeding molten steel.Compared with prior art, the present invention has the following advantages: the recovery plumbous in (1) molten steel is higher.Can reach 65～75% through check.(2) recovery is comparatively stable, and Composition Control is comparatively accurate.(3) plumbous being evenly distributed at body material.Through multidraw carries out lead analysis in the strand cross section, the difference of the highest result of lead content and minimum event and MV is no more than 10%.Can improve plumbous distributing homogeneity, detect the steel lead button less than 30um through ESEM, refinement plumbous granularity in body material.(4) lead steam overflows fewly, has reduced pollution, has improved the Workshop Production environment, reduced because of overflowing of lead steam caused to the pollution of environment with to operator's injury.Application of the present invention is not limited to the LYization of molten steel, simultaneously also applicable to the LYization of other high temperature fluent metal.
The present invention and publication number are that the Chinese patent difference of CN1498979A is: the sheath heart yearn among (1) CN1498979A adopts the galvanized wire of steel band parcel 0.5～10mm; And the present invention to adopt the core powder of steel band parcel 0～3mm, core powder be staple with the lead powder and add the interpolation material that promotes plumbous diffusion, refinement simultaneously plumbous granularity in the matrix.(2) the sheath heart yearn among the CN1498979A is mainly used in the molten steel LY feeding in the conticaster crystallizer, and plumbous composite core-spun yarn of the present invention can be widely used in the interior molten steel LYization of ladle and the LY feeding of other high-temperature liquid state matrix.
Below in conjunction with embodiment the present invention is further described.
Embodiment
Embodiment 1.Plumbous composite core-spun yarn.Be that diameter is the cored-wire of Φ 8～Φ 20 or other size diameter or other profile.This cored-wire is made up of steel-tape sheath and core powder, and steel band is the thick common low carbon carbon steel strip of 0.1mm, and core powder degree is 3mm.CaCO in the core powder
3The weight percent content of powder is 5%; The weight percent content of Ca-Si powder is 15%, and the weight percent content of FeS powder is 10%, and the weight percent content of Fe powder is 10%; The weight percent content of Ca powder is 10%, and the weight percent content of lead powder (Pb powder) is 50%.
Embodiment 2.Plumbous composite core-spun yarn.Be that diameter is the cored-wire of Φ 8～Φ 20 or other size diameter or other profile.This cored-wire is made up of steel-tape sheath and core powder, and steel band is the thick common low carbon carbon steel strip of 0.5mm, and core powder degree is 1mm.The weight percent content of lead powder in the core powder (Pb powder) is 100%.
Embodiment 3.Plumbous composite core-spun yarn.Be that diameter is the cored-wire of Φ 8～Φ 20 or other size diameter or other profile.This cored-wire is made up of steel-tape sheath and core powder, and steel band is the thick common low carbon carbon steel strip of 0.3mm, and core powder degree is 2mm, CaCO in the core powder
3The weight percent content of powder is 15%, and the weight percent content of lead powder (Pb powder) is 85%.
Embodiment 4.Plumbous composite core-spun yarn.Be that diameter is the cored-wire of Φ 8～Φ 20 or other size diameter or other profile.This cored-wire is made up of steel-tape sheath and core powder, and steel band is the thick common low carbon carbon steel strip of 0.3mm, and core powder degree is 3mm, and the weight percent content of Ca-Si powder is 20% in the core powder, and the weight percent content of lead powder (Pb powder) is 80%.
Embodiment 5.Plumbous composite core-spun yarn.Be that diameter is the cored-wire of Φ 8～Φ 20 or other size diameter or other profile.This cored-wire is made up of steel-tape sheath and core powder; Steel band is the thick common low carbon carbon steel strip of 0.1mm, and core powder degree is 1mm, and the weight percent content of Ca powder is 10% in the core powder; The weight percent content of Fe powder is 10%, and the weight percent content of Pb powder is 80%.
Embodiment 6.Plumbous composite core-spun yarn.Be that diameter is the cored-wire of Φ 8～Φ 20 or other size diameter or other profile.This cored-wire is made up of steel-tape sheath and core powder, and steel band is the thick common low carbon carbon steel strip of 0.2mm, and core powder degree is 3mm, and the weight percent content of FeS powder is 20% in the core powder, and the weight percent content of Pb powder is 80%.
Embodiment 7.Plumbous composite core-spun yarn.Be that diameter is the cored-wire of Φ 8～Φ 20 or other size diameter or other profile.This cored-wire is made up of steel-tape sheath and core powder, and steel band is the thick common low carbon carbon steel strip of 0.4mm, and core powder degree is 2mm, CaCO in the core powder
3The weight percent content of powder is 5%, and the weight percent content of FeS powder is 20%, and the weight percent content of Pb powder is 75%.
Embodiment 8.Plumbous composite core-spun yarn.Be that diameter is the cored-wire of Φ 8～Φ 20 or other size diameter or other profile.This cored-wire is made up of steel-tape sheath and core powder; Steel band is the thick common low carbon carbon steel strip of 0.3mm; Core powder degree is 2mm, and the weight percent content of Ca powder is 10% in the core powder, and the weight percent content of Fe powder is 10%; The weight percent content of FeS powder is 20%, and the weight percent content of Pb powder is 60%.
Embodiment of the present invention is not limited to the foregoing description, and the various variations of under the prerequisite that does not break away from aim of the present invention, making all belong within protection scope of the present invention.
Claims (10)
1. a plumbous composite core-spun yarn is characterized in that, is made up of steel-tape sheath and core powder, and the core powder is by lead powder or lead powder and interpolation material: CaCO
3One or more compositions in powder, Ca-Si powder, Ca powder, Fe powder, the FeS powder.
2. plumbous composite core-spun yarn as claimed in claim 1 is characterized in that, described steel band is the thick common low carbon carbon steel strip of 0.1～0.5mm, and described core powder degree is 0～3mm.
3. according to claim 1 or claim 2 plumbous composite core-spun yarn is characterized in that in the said core powder: the weight percent content of lead powder is 50～100%, CaCO
3The weight percent content of powder is 0～15%, and the weight percent content of Ca-Si powder is 0～20%, and the weight percent content of Ca powder is 0～10%, and the weight percent content of Fe powder is 0～10%, and the weight percent content of FeS powder is 0～20%.
4. plumbous composite core-spun yarn as claimed in claim 3 is characterized in that, in the said core powder: the weight percent content of lead powder is 50～100%, CaCO
3The weight percent content of powder is 0～5%, and the weight percent content of Ca-Si powder is 0～15%, and the weight percent content of Ca powder is 0～10%, and the weight percent content of Fe powder is 0～10%, and the weight percent content of FeS powder is 0～10%.
5. plumbous composite core-spun yarn as claimed in claim 3 is characterized in that, in the said core powder: the weight percent content of lead powder is 85～100%, CaCO
3The weight percent content of powder is 0～15%.
6. plumbous composite core-spun yarn as claimed in claim 3 is characterized in that, in the said core powder: the weight percent content of lead powder is 80～100%, and the weight percent content of Ca-Si powder is 0～20%.
7. plumbous composite core-spun yarn as claimed in claim 3 is characterized in that, in the said core powder: the weight percent content of lead powder is 80～100%, and the weight percent content of Ca powder is 0～10%, and the weight percent content of Fe powder is 0～10%.
8. plumbous composite core-spun yarn as claimed in claim 3 is characterized in that, in the said core powder: the weight percent content of lead powder is 80～100%, and the weight percent content of FeS powder is 0～20%.
9. plumbous composite core-spun yarn as claimed in claim 3 is characterized in that, in the said core powder: the weight percent content of lead powder is 75～100%, CaCO
3The weight percent content of powder is 0～5%, and the weight percent content of FeS powder is 0～20%.
10. plumbous composite core-spun yarn as claimed in claim 3; It is characterized in that in the said core powder: the weight percent content of lead powder is 60～100%, the weight percent content of Ca powder is 0～10%; The weight percent content of Fe powder is 0～10%, and the weight percent content of FeS powder is 0～20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110112375A CN102329915A (en) | 2011-05-03 | 2011-05-03 | Lead compound core spun yarn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110112375A CN102329915A (en) | 2011-05-03 | 2011-05-03 | Lead compound core spun yarn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102329915A true CN102329915A (en) | 2012-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110112375A Pending CN102329915A (en) | 2011-05-03 | 2011-05-03 | Lead compound core spun yarn |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455138A (en) * | 2020-05-19 | 2020-07-28 | 首钢贵阳特殊钢有限责任公司 | Smelting method of medium-high carbon sulfur-lead composite free-cutting structural steel |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280204A (en) * | 2000-08-11 | 2001-01-17 | 朱煜明 | Cladding nodulizer for high toughness nodular cast iron alloy |
| CN1498979A (en) * | 2002-11-08 | 2004-05-26 | 左生华 | Plumbum wrapped core wire |
| CN101260450A (en) * | 2008-04-30 | 2008-09-10 | 湖北猴王焊材有限公司 | Micro-alloy composite core-spun yarn for high-strength structure steel |
-
2011
- 2011-05-03 CN CN201110112375A patent/CN102329915A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1280204A (en) * | 2000-08-11 | 2001-01-17 | 朱煜明 | Cladding nodulizer for high toughness nodular cast iron alloy |
| CN1498979A (en) * | 2002-11-08 | 2004-05-26 | 左生华 | Plumbum wrapped core wire |
| CN101260450A (en) * | 2008-04-30 | 2008-09-10 | 湖北猴王焊材有限公司 | Micro-alloy composite core-spun yarn for high-strength structure steel |
Non-Patent Citations (1)
| Title |
|---|
| A.L.GUEUSSIER等: "用于钢液处理的包芯线技术", 《黑龙江冶金》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455138A (en) * | 2020-05-19 | 2020-07-28 | 首钢贵阳特殊钢有限责任公司 | Smelting method of medium-high carbon sulfur-lead composite free-cutting structural steel |
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Application publication date: 20120125 |