CN85102743A - The direct compound metering nozzle of vibration moulding - Google Patents
The direct compound metering nozzle of vibration moulding Download PDFInfo
- Publication number
- CN85102743A CN85102743A CN198585102743A CN85102743A CN85102743A CN 85102743 A CN85102743 A CN 85102743A CN 198585102743 A CN198585102743 A CN 198585102743A CN 85102743 A CN85102743 A CN 85102743A CN 85102743 A CN85102743 A CN 85102743A
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- CN
- China
- Prior art keywords
- metering nozzle
- matter
- protective sleeve
- iron sheet
- zirconium dioxide
- Prior art date
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- Mold Materials And Core Materials (AREA)
Abstract
The direct compound metering nozzle of vibration moulding of the present invention, being used for little square billet continuous casting steel machine tundish does not have the stopper cast.Technical characterictic is to use bauxite clinker to make the body of metering nozzle; The body of metering nozzle, zirconium matter complex, iron sheet protective sleeve, a vibration composite forming.
Description
Metering nozzle is applied to little square billet continuous casting steel machine tundish does not have the stopper cast.In order to guarantee the stable casting speed of continuous casting steel machine, require metering nozzle work aperture in whole continuous casting steel machine process, to remain unchanged substantially.
The metering nozzle that is used for little square billet continuous casting steel machine tundish at present and does not have stopper cast has three types:
Full homogeneous metering nozzle, promptly whole metering nozzle chemical analysis homogeneous contains zirconium dioxide 60～95%, the hydraulic press moulding, high temperature burns till, the production cost height;
Inserted metering nozzle, promptly metering nozzle is made up of body and mosaics.Two partly moulding respectively, high temperature burns till.After the burning again with adhesive bond together two parts.Like this, cost of material reduces, but complex process, mosaics comes off when watering steel sometimes, and security reliability is poor;
Direct compound metering nozzle, promptly the body part of metering nozzle and mosaics part adopt the different once-combined moulding of material hydraulic press of zirconium dioxide content respectively, and high temperature burns till.The bonding and the safety in utilization problem of inserted metering nozzle have been solved.
The objective of the invention is to use bauxite clinker to replace expensive zircon sand and steady zirconium dioxide raw material, make the body of metering nozzle; Adopt vibration moulding the body of metering nozzle and the once-combined moulding of mosaics, save the hydraulic press moulding process; After the moulding goods no longer high temperature burn till, save energy consumption; The outside of metering nozzle is added with iron sheet protective sleeve, and the vibration moulding together of the body of this protective sleeve and metering nozzle and mosaics makes the goods outline dimension standard, and is easy to install and use, transportation safety, and breakage rate is low.
Detailed content of the present invention: the direct compound metering nozzle of vibration moulding is made up of body (drawing reference numeral 1), mosaics (drawing reference numeral 2) and iron sheet protective sleeve (drawing reference numeral 3).
The mosaics employing of metering nozzle of the present invention contains zirconium dioxide and makes raw material greater than 62% zircon sand and zirconium dioxide content greater than 95% stabilized zirconia.The particle proportioning accounts for 50～70% for the zircon sand greater than 0.088 millimeter; Account for 30～50% less than 0.088 millimeter, wherein can allocate stabilized zirconia in any ratio less than 0.088 millimeter.Bond is a lignosulfite, and outer dosage is 2～3%.The hydraulic press moulding, semi-finished product burn till in 1560～1700 ℃ small-sized kiln.
The body part of metering nozzle of the present invention uses and contains Al
2O
3Bauxite clinker greater than 46% is made raw material.The particle proportioning is: 0.088～3 millimeter bauxite clinker particle accounts for 50～70%, less than 0.088 millimeter account for 30～50%.Bond is the industrial phosphoric acid aqueous solution, and outer dosage is 8～12%.
The iron sheet protective sleeve of metering nozzle of the present invention, the same product size of its appearance and size, 0.3～1 millimeter of wall thickness.
The making of metering nozzle of the present invention: in mould, place iron sheet protective sleeve and metering nozzle mosaics in advance, add the body material, vibration moulding on shake table.Drying is finished product after the demoulding.120～300 ℃ of baking temperatures.Goods no longer high temperature burn till.
Metering nozzle of the present invention compared with prior art has following advantage and effect:
1. metering nozzle of the present invention adopts vibration moulding, and production technology is simple, simplified equipment, and small investment, with short production cycle.
2. the body of metering nozzle of the present invention adopts bauxite clinker to replace expensive zircon sand and stabilized zirconia to make raw material, and need not burn till, and energy-conservation, production cost significantly reduces.
3. bonding process is saved in the once-combined moulding of the body of metering nozzle of the present invention, mosaics and iron sheet protective sleeve, and is safe and reliable.
4. there is iron sheet protective sleeve the outside of metering nozzle of the present invention, and outline dimension standard is easy to install and use, transportation safety, not cracky.
Metering nozzle implementation example of the present invention:
Is raw material with the zircon sand that contains zirconium dioxide 65% with the stabilized zirconia that contains zirconium dioxide 95%, makes mosaics.The particle proportioning is: the zircon sand greater than 0.088 millimeter accounts for 50%, accounts for 10% less than 0.088 millimeter zircon sand, accounts for 40% less than 0.088 millimeter stabilized zirconia.Bond is a lignosulfite, adds 2.5%, after the mixing, and moulding on hydraulic press, semi-finished product burn till under 1600 ℃.
The body of metering nozzle is selected for use to contain Al
2O
3Be that 65% bauxite clinker is made raw material.Its proportioning is: 0.088～3 millimeter bauxite clinker particle accounts for 65%, accounts for 35% less than 0.088 millimeter bauxite clinker particle.Bond is the industrial phosphoric acid aqueous solution, adds 10%, and is standby after mixing.
The iron sheet protective sleeve of metering nozzle, available punching press or welding method are made, and it is smooth smooth that want on the surface, is of the required size.Thick 0.3～1 millimeter of iron sheet.The same product size of appearance and size.
The moulding of metering nozzle: earlier iron sheet protective sleeve and mosaics are put into mould, add the body material that mixes, vibration moulding on shake table again.After the demoulding, drying is finished product.Baking temperature is 200 ℃.
Claims (5)
1, continuous casting steel zirconium matter metering nozzle is characterized in that: by alumina matter body (drawing reference numeral 1), and zircon and zirconium dioxide matter complex (drawing reference numeral 2), iron sheet protective sleeve (drawing reference numeral 3) constitutes.
2, continuous casting steel zirconium matter metering nozzle is characterized in that: alumina matter, zircon and zirconium dioxide complex, iron sheet protective sleeve, a vibration composite forming.
3, according to claim 1,2 described metering nozzles, it is characterized in that: alumina matter body is by Al
2O
3Greater than 46%(weight) bauxite clinker make raw material, the industrial phosphoric acid aqueous solution is made bond.
4, according to the described metering nozzle of claim 1～3, it is characterized in that: zircon and zirconium dioxide matter complex, by ZrO
2Content is greater than 62%(weight) zircon sand and ZrO
2Content is greater than 95%(weight) zirconium dioxide make raw material, lignosulfite is made bond, mechanical pressing, 1560～1700 ℃ are burnt till.
5, according to the described metering nozzle of claim 1～4, it is characterized in that: the thickness of iron sheet protective sleeve is 0.3～1 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85102743 CN85102743B (en) | 1985-04-10 | 1985-04-10 | Vibrating forming method for steel casting and the products thereby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 85102743 CN85102743B (en) | 1985-04-10 | 1985-04-10 | Vibrating forming method for steel casting and the products thereby |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85102743A true CN85102743A (en) | 1986-10-08 |
| CN85102743B CN85102743B (en) | 1987-07-01 |
Family
ID=4792725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 85102743 Expired CN85102743B (en) | 1985-04-10 | 1985-04-10 | Vibrating forming method for steel casting and the products thereby |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85102743B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100354228C (en) * | 2006-04-27 | 2007-12-12 | 鞍山市耘路耐火材料有限公司 | Novel zirconium metering nozzle for tundish |
-
1985
- 1985-04-10 CN CN 85102743 patent/CN85102743B/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100354228C (en) * | 2006-04-27 | 2007-12-12 | 鞍山市耘路耐火材料有限公司 | Novel zirconium metering nozzle for tundish |
Also Published As
| Publication number | Publication date |
|---|---|
| CN85102743B (en) | 1987-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| PB01 | Publication | ||
| C06 | Publication | ||
| C13 | Decision | ||
| GR02 | Examined patent application | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CI01 | Correction of invention patent gazette |
Correction item: Agency|agent Correct: Metallurgical Patent Agency|Wang Zilian False: N/A|N/A Number: 30 Page: 43 Volume: 3 |
|
| C17 | Cessation of patent right | ||
| CE01 | Termination of patent right | ||
| ERR | Gazette correction |
Free format text: CORRECT FROM: PATENT AGENCY NO TO: METALLURGY PATENT OFFICE; FROM: AGENT NO TO: WANG ZILIAN |