CN203187704U - Composite core-spun wire - Google Patents
Composite core-spun wire Download PDFInfo
- Publication number
- CN203187704U CN203187704U CN 201320158570 CN201320158570U CN203187704U CN 203187704 U CN203187704 U CN 203187704U CN 201320158570 CN201320158570 CN 201320158570 CN 201320158570 U CN201320158570 U CN 201320158570U CN 203187704 U CN203187704 U CN 203187704U
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- wire
- calcium
- spun
- composite core
- core
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Abstract
The utility model relates to a core-spun wire, and in particular relates to a composite core-spun wire. The core-spun wire is characterized by having large specific gravity of calcium wire and deep wire feeding depth. The composite core-spun wire comprises a calcium wire rod, and a powder layer and an outer coating layer that are orderly coated outside the calcium wire rod; and a high temperature resisting film layer is arranged between the calcium wire rod and the powder layer. The film layer is a high temperature resisting plastic film. The outer coating layer is provided with skid-proof patterns. Due to the film layer, the reaction speed between the calcium wire rod and liquid steel can be slowed down and the wire feeding safety and wire feeding depth are increased; in addition, the core-spun wire has small thickness, and the calcium wire rod takes up larger volume at the same volume. Therefore, the composite core-spun wire with large specific gravity of calcium wire and deep wire feeding depth is obtained.
Description
Technical field
The utility model relates to a kind of cored-wire, especially a kind of composite core-spun yarn.
Background technology
Cored-wire is that desire is added various additives in molten steel or the iron liquid, is broken into certain particle as reductor, sweetening agent, alterant etc., with the cold-rolled low carbon steel band it is rolled into a matrix material with random length then.As adding the technology of calcium metal in the liquid steel refining process, the adding of calcium metal can reduce harmful element content such as oxygen in the molten steel and sulphur, is conducive to the raising of steel, and changes the composition form of inclusion in the molten steel, avoid the quiet nozzle clogging that takes place when firm of cast aluminum, change steel mechanics performance.But because pure calcium line can the generation vigorous reaction with the molten steel reaction when adding body of heater, the phenomenon that not only has the molten steel nitrogen pick-up that bigger potential safety hazard and invar water projection bring, and the calcium silk thread enters molten steel reaction has taken place soon, the calcium silk can only react in upper of furnace body, cause the degree of depth of feeding calcium line more shallow, the recovery rate of calcium is low.So at present, most cored-wires all are by the structure manufacturing of multilayers such as steel band parcel calcium silk when producing, and form coating layer outside the calcium silk, can slow down the gasification rate after calcium metal enters molten steel, allow the calcium silk react in the molten steel depths.Often for the speed of slowing down calcium silk rod can coat thicker other materials or coat multilayer material outside calcium silk rod outside calcium silk rod, as outside calcium silk rod, being followed successively by internal layer steel band, powder bed, outer steel band.Cause the proportion of calcium silk rod to diminish.
The utility model content
Technical problem to be solved in the utility model provides a kind of calcium silk proportion influences the composite core-spun yarn of feeding the silk degree of depth more greatly and not.
The technical scheme that its technical problem that solves the utility model adopts is: composite core-spun yarn, comprise calcium silk rod, and be wrapped in calcium silk rod outer powder bed, exodermis successively, between calcium silk rod and powder bed, be provided with resistant to elevated temperatures thin film layer.
Described thin film layer is resistant to elevated temperatures plastics film.
Described exodermis is provided with anti-skid design.
The beneficial effects of the utility model are: composite core-spun yarn of the present utility model is selected with coatings such as the alternative steel bands of resistant to elevated temperatures thin film layer, the speed of response that film not only can slow down calcium silk rod and molten steel has improved the security of feeding silk and has fed a degree of depth, and film thickness is less, under equal volume, the volume that calcium silk rod accounts for is big.So just obtained big and hello the darker composite core-spun yarn of the silk degree of depth of calcium silk proportion.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Mark among the figure: 1-calcium silk rod, 2-powder bed, 3-exodermis, 4-thin film layer, 5-anti-skid design.
Embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
As shown in Figure 1, composite core-spun yarn of the present utility model comprises calcium silk rod 1, is wrapped in powder bed 2, exodermis 3 outside the calcium silk rod 1 successively, is provided with resistant to elevated temperatures thin film layer 4 between calcium silk rod 1 and powder bed 2.
Because the composite core-spun yarn of prior art in order to slow down the speed of response of calcium silk rod 1 and molten steel, increases hello the silk degree of depth and assurance and feeds a safety, the composite core-spun yarn major part all is to wrap calcium silk rod 1 by the multilayer coating.As outside calcium silk rod 1, wrapping up wraps such as powder bed 2, exodermis 3 successively.Powder bed 2 can slow down the vaporization rate after calcium silk rod 1 enters molten steel, guarantees that calcium silk rod 1 can enter the reaction of molten steel depths, improves the rate of receiving, the effect that reduces splash thereby reached.Powder bed 2 can be reduced iron powder layer, ferroaluminium powder, carborundum powder, high calcium alloy powder, ferro-silicon powder, calcium-aluminate or silica flour etc.Exodermis 3 can be steel band, iron sheet etc.In order to increase the proportion of calcium silk rod 1, just need to reduce the thickness of wrap, but in order to guarantee cored-wire hello the silk degree of depth, exodermis 3 and powder bed 2 to keep, so the utility model is being provided with thin film layer 4 between calcium silk rod 1 and powder bed 2.Thin film layer 4 can be the less film of plastics film equal thickness.Calcium silk rod 1 contacted with the direct of molten steel when thin film layer 4 had not only well avoided beginning feeding silk, improved the security of feeding silk and fed a degree of depth, and thin film layer 4 thickness is less, can not influence the proportion of calcium silk rod 1.So just obtained big and hello the darker composite core-spun yarn of the silk degree of depth of calcium silk proportion.
Because common steel mill generally adopts wire feeder to clamp cored-wire and feeds the silk process, if anti-skid design 5 is not set on the exodermis 3, gripping unit and the friction between the composite core-spun yarn of wire feeder are less, in feeding the silk process, cored-wire easily skids, and the silk process is fed in influence, reduces feeding wire speed, in order to improve feeding wire speed, described exodermis 3 is provided with anti-skid design 5.
Claims (3)
1. composite core-spun yarn comprises calcium silk rod (1), is wrapped in calcium silk rod (1) outer powder bed (2), exodermis (3) successively, it is characterized in that: be provided with resistant to elevated temperatures thin film layer (4) between calcium silk rod (1) and powder bed (2).
2. composite core-spun yarn as claimed in claim 1, it is characterized in that: described thin film layer (4) is resistant to elevated temperatures plastics film.
3. composite core-spun yarn as claimed in claim 1 or 2, it is characterized in that: described exodermis (3) is provided with anti-skid design (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320158570 CN203187704U (en) | 2013-04-02 | 2013-04-02 | Composite core-spun wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320158570 CN203187704U (en) | 2013-04-02 | 2013-04-02 | Composite core-spun wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203187704U true CN203187704U (en) | 2013-09-11 |
Family
ID=49104578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320158570 Expired - Fee Related CN203187704U (en) | 2013-04-02 | 2013-04-02 | Composite core-spun wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203187704U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107674938A (en) * | 2017-09-18 | 2018-02-09 | 安徽叁旺网络信息技术有限公司 | High nitrogen alloy core-spun yarn |
-
2013
- 2013-04-02 CN CN 201320158570 patent/CN203187704U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107674938A (en) * | 2017-09-18 | 2018-02-09 | 安徽叁旺网络信息技术有限公司 | High nitrogen alloy core-spun yarn |
| CN107674938B (en) * | 2017-09-18 | 2019-12-03 | 苏州元联科技创业园管理有限公司 | High nitrogen alloy core-spun yarn |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130911 Termination date: 20170402 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |