CN1060682A - The ball making method of alloy powder material - Google Patents
The ball making method of alloy powder material Download PDFInfo
- Publication number
- CN1060682A CN1060682A CN 90102953 CN90102953A CN1060682A CN 1060682 A CN1060682 A CN 1060682A CN 90102953 CN90102953 CN 90102953 CN 90102953 A CN90102953 A CN 90102953A CN 1060682 A CN1060682 A CN 1060682A
- Authority
- CN
- China
- Prior art keywords
- alloy powder
- ball
- powder material
- making method
- add
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Powder Metallurgy (AREA)
Abstract
A kind of ball making method of alloy powder material mixes with alloy powder material with Alpha-starch, adds polyvinyl alcohol water solution and stirs, and uses the mechanical compaction balling-up, and oven dry is made.
The ball that is pressed into presses the back demoulding easy, wet bulb intensity height, the ball intensity height after the oven dry, moisture uptake is little between staging life, add in the ladle molten steel after, contain in the steel (H) measure with the steel that adds bulk alloy in to contain (H) amount identical.
Description
A kind of production method that relates to alloy powder material system ball.
In the STEELMAKING PRODUCTION process, briquette ferroalloy dropped into be used in the ladle molten steel carrying out alloying or carrying out deoxidation, produce a large amount of flours, disintegrating slag in the piece process but be broken at iron alloy powder, these flours, disintegrating slag should not directly drop in the ladle molten steel.At present, general employing is reclaimed, remelting is handled, and also has the method for the caking agent system of employing ball to handle these flours and disintegrating slag, and English Patent 2098193A report adopts next bonding Fe-Si powder of wilkinite and water and MoO
3Powder, the system ball.The ball intensity that is pressed into is low, and afterwards the ball recovery rate is low, intensity is not high yet to cause oven dry, can not adapt to the needs of transportation, feed bin input.
The objective of the invention is in order to adopt new ball making method to come the bonding alloy powder, the compacting balling-up demoulding is easy, and high wet bulb intensity is arranged, and the ball after the oven dry has high intensity.
The present invention adopts Alpha-starch to mix with the alloy powder, the add-on of Alpha-starch is the 1-5%(Wt% of alloy powder amount), the 0.5-5%(Wt% that adds the alloy powder again) polyvinyl alcohol water solution stirs, through general rolling equipment compacting balling-up, in drying plant, make through 50～160 ℃ of insulations oven dry in 4～0.5 hours.
The present invention prepares the alloy sphere of powder, the demoulding is easy on rolling equipment, ball intensity height after the oven dry, ball with the oven dry of the φ 50mm of certain batch, by Japanese JIS8711-1977 standard test, it is freely fallen on the 30mm Plate Steel, carries out repeatedly four times, measure diameter in the ball and occupy ratio＞90% greater than φ 10mm.The alloy ball of making is exposed to be positioned in the warehouse three months, and the spheroid water content does not have, obviously increases, and alloy ball is transported to feed bin through belt, drop in the ladle molten steel after, measure and add the identical of bulk alloy the containing of steel (H).
Embodiment:
The 100KgFe-Si powder adds the Alpha-starch mixing of 5Kg, adds proportion 1.02～1.03g/cm again
2Polyvinyl alcohol water solution 2000ml after stirring, is pressed into φ 50mm spheroid on roll squeezer, deliver to process furnace, through 100 ℃ of insulations 2 hours, air cooling.
Claims (3)
1, a kind of method that relates to alloy powder material system ball, the ball that adopts wilkinite and water to come the bonding alloy powder to be pressed into, technical characterictic of the present invention is, the alloy powder mixes with Alpha-starch, add polyvinyl alcohol water solution and stir, through the mechanical compaction balling-up, drying is made.
2, the ball making method of the described alloy powder material of claim 1, its further technical characterictic be, the add-on of Alpha-starch is 1～5%(Wt%) of an alloy powder material, and the polyvinyl alcohol water solution add-on is 0.5～5%(Wt%) of an alloy powder material.
3, the ball making method of the described alloy powder material of claim 1, its further technical characterictic are that bake out temperature is 50～160 ℃, is incubated 4～0.5 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90102953 CN1022494C (en) | 1990-10-10 | 1990-10-10 | Ball making method of alloy powder material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 90102953 CN1022494C (en) | 1990-10-10 | 1990-10-10 | Ball making method of alloy powder material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1060682A true CN1060682A (en) | 1992-04-29 |
| CN1022494C CN1022494C (en) | 1993-10-20 |
Family
ID=4877826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 90102953 Expired - Fee Related CN1022494C (en) | 1990-10-10 | 1990-10-10 | Ball making method of alloy powder material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1022494C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103555934A (en) * | 2013-10-24 | 2014-02-05 | 重庆赛迪工业炉有限公司 | Application of polyvinyl alcohol aqueous solution as dedusting ash cold-pressed ball release agent, dedusting ash cold-pressed ball and method for preparing dedusting ash cold-pressed ball |
| CN104451139A (en) * | 2014-12-31 | 2015-03-25 | 安徽工业大学 | Technique for making pellet by means of waste plastic and sheet iron containing oil through low-temperature hot pressing |
| US10503008B2 (en) | 2018-02-28 | 2019-12-10 | Huizhou China Star Optoelectronics Technology Co, Ltd. | Quantum dot (QD) lamps and displays |
| CN111996369A (en) * | 2020-08-28 | 2020-11-27 | 江苏江南铁合金有限公司 | Ferrochromium powder ball for steelmaking and preparation method thereof |
-
1990
- 1990-10-10 CN CN 90102953 patent/CN1022494C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103555934A (en) * | 2013-10-24 | 2014-02-05 | 重庆赛迪工业炉有限公司 | Application of polyvinyl alcohol aqueous solution as dedusting ash cold-pressed ball release agent, dedusting ash cold-pressed ball and method for preparing dedusting ash cold-pressed ball |
| CN103555934B (en) * | 2013-10-24 | 2015-11-04 | 重庆赛迪热工环保工程技术有限公司 | Polyvinyl alcohol water solution is as the application of dedusting ash cold-pressing balls releasing agent, dedusting ash cold-pressing balls and the method preparing dedusting ash cold-pressing balls |
| CN104451139A (en) * | 2014-12-31 | 2015-03-25 | 安徽工业大学 | Technique for making pellet by means of waste plastic and sheet iron containing oil through low-temperature hot pressing |
| US10503008B2 (en) | 2018-02-28 | 2019-12-10 | Huizhou China Star Optoelectronics Technology Co, Ltd. | Quantum dot (QD) lamps and displays |
| CN111996369A (en) * | 2020-08-28 | 2020-11-27 | 江苏江南铁合金有限公司 | Ferrochromium powder ball for steelmaking and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1022494C (en) | 1993-10-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CZ288101B6 (en) | Process for producing cold-moulded iron-containing briquettes | |
| CN103042223A (en) | Reduced iron powder production process | |
| CN101302572A (en) | Additive for preparing fine oxide dispersion steel, preparation and use thereof | |
| CN101302573A (en) | Additive for preparing fine oxide dispersion steel, preparation and use thereof | |
| CN102296153A (en) | Novel premelting dephosphorization agent for steel making and preparation method thereof | |
| CN102586538A (en) | Vanadium extraction coolant and preparation method thereof | |
| CN1022494C (en) | Ball making method of alloy powder material | |
| CN1064718C (en) | Vanadium pellet for steel smelting and alloyage process thereof | |
| CN102586537A (en) | Vanadium extraction coolant and its preparation method | |
| CN100552052C (en) | The processing method of preparation fine oxide dispersion steel | |
| CN111961868A (en) | Digestion preparation method of converter waste sludge | |
| CN1070690A (en) | The method of dedusting steel-smelting converter mud balling-up | |
| CN101775487A (en) | Production method of block material for ironmaking by using ferroalloy mineral powder | |
| CN107937657A (en) | A kind of converter high-efficiency heating agent | |
| CN106755980A (en) | Coal-pressing ball and preparation method thereof | |
| CN1225947A (en) | Powder-material block-making method | |
| CN105132628B (en) | A kind of heterogeneous efficient dephosphorization agent and preparation method thereof | |
| US2790712A (en) | Process for refining iron | |
| JP4112827B2 (en) | Method for treating Cr-containing sludge | |
| CN112981044B (en) | High-efficiency desulfurizer and preparation and use methods thereof | |
| CN114934140B (en) | Organization process for reducing molten iron temperature drop | |
| CN111809019B (en) | Blast furnace molten iron decarbonization method by using blast furnace ash | |
| JPS6475618A (en) | Method for treating converter slag | |
| CN1237538A (en) | Agglomeration forming technique of active time fine material | |
| CN107904356A (en) | With deoxidizing purification metal charge and preparation method thereof before one kind steel-making tapping |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI BAO STEEL GROUP IRON AND STEEL CO LTD Free format text: FORMER NAME OR ADDRESS: SHANGHAI BAOSHAN IRON AND STEEL GENERAL PLANT Owner name: BAOSHAN IRON & STEEL CO., LTD. Free format text: FORMER NAME OR ADDRESS: SHANGHAI BAO STEEL GROUP IRON AND STEEL CO LTD |
|
| CP03 | Change of name, title or address |
Address after: 200122 No. 370 Pu circuit, Shanghai, Pudong New Area Patentee after: BAOSHAN IRON & STEEL Co.,Ltd. Address before: 201900 No. 1, Middle Road, Baoshan District, Shanghai Patentee before: BAOSHAN IRON & STEEL CO.,LTD. Address after: 201900, Fujin Road, Shanghai, Baoshan District orchard Patentee after: BAOSHAN IRON & STEEL CO.,LTD. Address before: 200122 No. 370 Pu circuit, Shanghai, Pudong New Area Patentee before: BAOSHAN IRON & STEEL |
|
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| OR01 | Other related matters | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |