CN101270457A - Grinding ball and manufacturing technique - Google Patents
Grinding ball and manufacturing technique Download PDFInfo
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- CN101270457A CN101270457A CNA2008100548542A CN200810054854A CN101270457A CN 101270457 A CN101270457 A CN 101270457A CN A2008100548542 A CNA2008100548542 A CN A2008100548542A CN 200810054854 A CN200810054854 A CN 200810054854A CN 101270457 A CN101270457 A CN 101270457A
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- vanadium
- ball
- abrading
- molten iron
- titanium
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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Abstract
The invention discloses a grinding ball and a manufacture technique. The manufacture technique includes carrying out smelting by using sefstromite as raw material, carrying out high temperature vanadium distilling on the molten iron containing vanadium and titanium by a high oxygen top blowing method, carrying out lose foam negative pressure casting on the molten iron containing vanadium and titanium the temperature of which is controlled into a proper range through a pig, waste vanadium slag and compound ball adjusting components and casting sand as well as falling into a box after heat preservation for a certain time. The components of the grinding ball include C, Si, Mn, Mo, Cu, V, Ti, P and S. Cr is replaced by V. Each property index of the grinding ball accords with the national standards, and the invention fully utilizes the resources of the sefstromite; if the price of casting iron by the molten iron directly is 3000yuan/ton, the output of the vanadium slag primarily calculated for each month is 600tons by distilling the vanadium slag and the direct benefits is 4.2 million Yuan; then the molten iron containing residual vanadium and titanium is utilized to cast the balls; the price of the castball is 4000yuan/ton; therefore, the value of each ton is increased by 1000 Yuan and each month can obtain 3 million. The invention has considerable economic and social benefits.
Description
Technical field:
The present invention relates to the grinding element that a kind of milling equipment is used, particularly relate to a kind of abrading-ball and production technique.
Background technology:
Pulverize in the mechanical means of grinding at material, abrading-ball or title steel ball are indispensable supporting machinery products, occupy and very be consequence, there has not been it, raw coal, ore ... just can't become superfine powder supply station boiler combustion and produce cement products, smelt gold and silver, furnace charge such as copper, iron.The abrading-ball of current use is mainly in the iron founding, high-chromium alloy casting ball, for the every performance index that make abrading-ball be up to state standards the regulation requirement, to adjust the component of abrading-ball, the main element of adjusting is the content of Gr, to guarantee the hardness of abrading-ball, in the disclosed ball mill of Chinese patent CN97100735.7 high ductility high chromium abrasion-resistant ball and manufacture method thereof, the content of Cr is 12%-14% in the abrading-ball composition, and be disclosed in 200610040374.1 " high-chromium cast steel milling ball and preparation method " at application number, the content of Cr is 10%-18% in the abrading-ball composition, the preparation of above-mentioned abrading-ball all is to be that raw material is smelted with the iron ore or the pig iron, and in smelting process, by its composition adjustment is obtained satisfactory composition, the requirement that every performance index of abrading-ball are up to state standards.The technology of present this production abrading-ball and the composition of abrading-ball make the production cost of abrading-ball higher, are in particular in two aspects: the one, and the pig iron utilizes electric-arc welding to smelt once more, and the electricity charge on average increase about 600 yuan/ton; The 2nd, chromatize makes the cost of abrading-ball improve 360-1800 unit/ton; In addition, China is the relatively abundanter country of vanadium resource, navajoite mainly is distributed in the Flos Bombacis Malabarici in Sichuan and the Chengde in Hebei, great majority are that the form with bone coal exists, because vanadium can increase the wear resistance and the ductility of steel, make it at excellent steel, special steel, bar, enjoy favor in sheet material and the section bar, only need in steel, to add the vanadium of percentum, just can make the elasticity of steel, intensity heightens, it is fabulous with anti-cracking property to resistance to wear, how to have made full use of existing working condition and resource, after from vanadium-titanium-iron-water, extracting vanadium, utilized do not extract clean vanadium titanium blast-melted again as the raw material abrading-ball of casting, replace chromium with vanadium, and guarantee that the hardness and the toughness of abrading-ball are problem demanding prompt solutions.
Summary of the invention:
The objective of the invention is at the deficiencies in the prior art, a kind of abrading-ball and production technique are provided, technical problem to be solved is to have made full use of existing working condition and resource, after from vanadium-titanium-iron-water, extracting vanadium, utilize again and do not extract the blast-melted of clean vanadium titanium, replace the chromium abrading-ball of casting, and guarantee the hardness and the toughness of abrading-ball with vanadium as raw material, the technical solution used in the present invention is as follows, and the composition of abrading-ball of the present invention consists of:
(1) high vanadium abrading-ball: C:1.7～3.2 Si0.3～1.2 Mn0.5～2.5 Mo≤3.0 Cu≤1.0V1.5～3.0 Ti≤0.15 P≤0.08 S≤0.06
(2) vanadium abrading-ball: C:2.0 in～3.4 Si0.3～2.2 Mn0.5～2.0 Mo≤1.0 Cu≤0.8V0.4～1.5 Ti≤0.15 P≤0.08 S≤0.06
(3) low vanadium abrading-ball: C:2.2～3.6 Si0.3～1.0 Mn0.5～1.5 Mo≤1.0 Cu≤0.8V0.4 Ti≤0.45 P≤0.1 S≤0.1
Production technique of the present invention:
With the sefstromite is that raw material is smelted, after the molten iron that contains the vanadium titanium carried out the high temperature extraction vanadium with the hyperoxia top-blown method, molten iron to residual vanadium titanium is adjusted composition by pig, useless vanadium slag, compound ball, the temperature of vanadium-bearing hot metal is controlled at 1350-1450 degree ℃, the mould negative pressure that disappears casting is incubated after 40 minutes the founding case that falls.
Compared with prior art, the present invention has made full use of the schreyerite resource, if 3000 yuan of molten iron direct cast iron unit prices per ton, by extracting vanadium slag, 600 tons of initial estimate monthly output vanadium slags, 4,200,000 yuan of direct profits every month, utilize remaining vanadium-titanium-iron-water casting ball again, 4000 yuan/ton of casting ball unit prices, 1000 yuan of increments per ton, just make a profit 3,000,000 yuan, and with regard to casting and domestic of the same trade relatively owing to do raw material direct pouring with blast-melted, compare with electric furnace and to save the electricity charge of changing molten iron once again, per tonly economize 500 yuan of the electricity charge, utilize vanadium metal alternative metals chromium remaining in the former electric molten iron again, but about 700 yuan of cost saving again per ton, by 3000 tons of calculating of monthly output, cost-saved 3,600,000 yuan.The requirement that every performance index of the present invention also can be up to state standards, wherein high vanadium abrading-ball surface hardness (HRC) 〉=56, impelling strength (J/M2) 〉=3, ball falling impact fatigue lifetime (number of times) 〉=20000; Middle vanadium abrading-ball surface hardness (HRC) 〉=51, impelling strength (J/M2) 〉=3, ball falling impact fatigue lifetime (number of times) 〉=20000; The surface hardness (HRC) 〉=45 of low vanadium abrading-ball, impelling strength (J/M2) 〉=2, ball falling impact fatigue lifetime (number of times) 〉=20000.
Specific embodiments:
The composition of abrading-ball of the present invention consists of:
(1) high vanadium abrading-ball: C:1.7～3.2 Si0.3～1.2 Mn0.5～2.5 Mo≤3.0 Cu≤1.0V1.5～3.0 Ti≤0.15 P≤0.08 S≤0.06
(2) vanadium abrading-ball: C:2.0 in～3.4 Si0.3～2.2 Mn0.5～2.0 Mo≤1.0 Cu≤0.8V0.4～1.5 Ti≤0.15 P≤0.08 S≤0.06
(3) low vanadium abrading-ball: C:2.2～3.6 Si0.3～1.0 Mn0.5～1.5 Mo≤1.0 Cu≤0.8V0.4 Ti≤0.45 P≤0.1 S≤0.1
Production technique of the present invention: with the sefstromite is that raw material is smelted, after the molten iron that contains the vanadium titanium carried out the high temperature extraction vanadium with the hyperoxia top-blown method, molten iron to residual vanadium titanium passes through pig, useless vanadium slag, compound ball is adjusted composition, the composition of wherein high vanadium abrading-ball is C:1.7～3.2 Si0.3～1.2 Mn0.5～2.5 Mo≤3.0Cu≤1.0 V1.5～3.0 Ti≤0.15 P≤0.08 S≤0.06, the composition of middle vanadium abrading-ball is C:2.0～3.4Si0.3～2.2 Mn0.5～2.0 Mo≤1.0 Cu≤0.8 V0.4～1.5 Ti≤0.15 P≤0.08 S≤0.06, the composition of low vanadium abrading-ball is C:2.2～3.6 Si0.3～1.0 Mn0.5～1.5 Mo≤1.0 Cu≤0.8V0.4 Ti≤0.45 P≤0.1 S≤0.1, the temperature of vanadium-bearing hot metal is controlled at 1350-1450 degree ℃, the mould negative pressure that disappears casting, be incubated after 40 minutes founding fall case product.
Claims (2)
1, a kind of abrading-ball is characterized in that:
(1) high vanadium abrading-ball: C:1.7～3.2 Si0.3～1.2 Mn0.5～2.5 Mo≤3.0 Cu≤1.0V1.5～3.0 Ti≤0.15 P≤0.08 S≤0.06
(2) vanadium abrading-ball: C:2.0 in～3.4 Si0.3～2.2 Mn0.5～2.0 Mo≤1.0 Cu≤0.8V0.4～1.5 Ti≤0.15 P≤0.08 S≤0.06
(3) low vanadium abrading-ball: C:2.2～3.6 Si0.3～1.0 Mn0.5～1.5 Mo≤1.0 Cu≤0.8V0.4 Ti≤0.45 P≤0.1 S≤0.1
2, the production technique of the described abrading-ball of a kind of claim 1, it is characterized in that with the sefstromite being that raw material is smelted, after the molten iron that contains the vanadium titanium carried out the high temperature extraction vanadium with the hyperoxia top-blown method, molten iron to residual vanadium titanium is adjusted composition by pig, useless vanadium slag, compound ball, the temperature of vanadium-bearing hot metal is controlled at 1350-1450 degree ℃, the mould negative pressure that disappears casting is incubated after 40 minutes the founding case that falls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100548542A CN101270457A (en) | 2008-04-16 | 2008-04-16 | Grinding ball and manufacturing technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100548542A CN101270457A (en) | 2008-04-16 | 2008-04-16 | Grinding ball and manufacturing technique |
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| CN101270457A true CN101270457A (en) | 2008-09-24 |
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| CNA2008100548542A Pending CN101270457A (en) | 2008-04-16 | 2008-04-16 | Grinding ball and manufacturing technique |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572152A (en) * | 2013-10-31 | 2014-02-12 | 辽宁佰宏矿产资源有限责任公司 | Vanadium-titanium-chromium alloy cast ball and manufacturing method thereof |
| CN106567007A (en) * | 2016-11-17 | 2017-04-19 | 马鞍山市银鼎机械制造有限公司 | Preparation method of wear resisting ball for magnetic material crushing |
| CN113798486A (en) * | 2020-06-16 | 2021-12-17 | 美利林科技有限公司 | Blast furnace molten iron using process |
-
2008
- 2008-04-16 CN CNA2008100548542A patent/CN101270457A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103572152A (en) * | 2013-10-31 | 2014-02-12 | 辽宁佰宏矿产资源有限责任公司 | Vanadium-titanium-chromium alloy cast ball and manufacturing method thereof |
| CN106567007A (en) * | 2016-11-17 | 2017-04-19 | 马鞍山市银鼎机械制造有限公司 | Preparation method of wear resisting ball for magnetic material crushing |
| CN113798486A (en) * | 2020-06-16 | 2021-12-17 | 美利林科技有限公司 | Blast furnace molten iron using process |
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Open date: 20080924 |