CN105750031A - Manufacturing and applying integrated processing method for cast grinding balls - Google Patents
Manufacturing and applying integrated processing method for cast grinding balls Download PDFInfo
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- CN105750031A CN105750031A CN201610179916.7A CN201610179916A CN105750031A CN 105750031 A CN105750031 A CN 105750031A CN 201610179916 A CN201610179916 A CN 201610179916A CN 105750031 A CN105750031 A CN 105750031A
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- ball
- abrading
- grinding balls
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/20—Disintegrating members
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/06—Cast-iron alloys containing chromium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C37/00—Cast-iron alloys
- C22C37/10—Cast-iron alloys containing aluminium or silicon
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- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a manufacturing and applying integrated processing method for cast grinding balls. The method specifically comprises the steps as follows: determining requirements of users for mechanical performance of grinding balls; determining the most economical grinding ball material based on certain substance; determining the chemical constituent content range of the grinding balls based on certain substance and a corresponding thermal treatment process system of the grinding balls; determining the optimal casting scheme which meets requirements of consumers for constituents of grinding balls to be manufactured by manufacturers and thermal treatment system design. With the method, a large number of dynamic change factors are effectively controlled and predicted, so that the problems of large waste, low efficiency and high cost in long-term product manufacturing and application processes are solved; besides, the manufacturers and users of the grinding balls are treated integrally through reverse thinking, therefore, requirements of the users for performance of high-quality grinding balls are met, and the requirement for the most economical grinding ball manufacturing method for the manufacturers is met on the premise that requirements of the users are met.
Description
Technical field
The present invention relates to abrading-ball field, being specifically related to is the integral treatment method of a kind of cast grinding ball manufacture and use.
Background technology
China's high-abrasive material industrial market scale quickly increases, and overall manufacture level improves constantly.Along with national economy stable development, the demand of wear-resistant ball section is also remained stable for the situation increased by the fields such as China's thermal power generation, metallurgical mine, building material cement, only the demand of domestic wear-resistant ball section reaches 208.74 ten thousand tons in 2015, following table lists 2010-2015, the growth pattern of this series products domestic demand amount:
2010-2015 domestic abrasion-resistant cast abrading-ball section market demand (ten thousand tons)
According to incompletely statistics, in recent years, the export volume of China's year all kinds of wear-resistant ball section is 1,000,000 ton-150 ten thousand tons.Visible, though this market demand total amount is bigger.
Ball mills quantifies the scientific research methods of grating technology can be divided into four-stage by its level of development:
1. the trial and error stage；
2. orthogonal experiment method (experimental period, relatively costly, and large sample cannot be processed)；
3. the exact test method that visual information processes；
4. use Intelligentized Control Model.
Abroad, had begun to grope the research methods of the 3rd step and the 4th step and use related art method and instrument formulation, replenishment of process in abrading-ball manufacture and use field in recent years, manufacture, use and monitor the exquisite device embodying technique " marrow " content, but very different, make slow progress.
At home, remain in application orthogonal experiment method now and carry out in the second stage of scientific research and production application, a large amount of dynamically changing factor is caused to can not get effective control and prediction, long-standing waste is big, efficiency is low for product manufacturing and product use, and the problem that cost is high can not get solving always；Can not effectively utilizing the information technology of high speed development, intellectually and automatically technology to accelerate the technological progress in this field, the pressure playing the science and technology effect of taking the lead in race is increasing.And for a long time just because of domestic abrading-ball manufacturing technology, process equipment fall behind, production technology many decades is constant, think little of refine, cause iron and steel liquid degree of purity poor, modification effect is unstable, there is a large amount of segregation, variation and unstable tissue in process of setting, causes interior tissue not fine and close and surface quality is poor；And abrading-ball heart portion is inconsistent to the mechanical property on surface, serviceability, directly affects the service life of abrading-ball.Due to by multi-factor restrict and interactive effects such as grinding ball material, ball milling equipment, material characteristic, working environments, research abrading-ball problem is all stuck in the qualitative investigation stage both at home and abroad so far, energy-saving and cost-reducing and reduction production cost the effect using abrading-ball to produce is not notable, unstable, plus too relying on experience, causing cannot " awkward situation " of popularization and application.
At present, the manufacturer of abrading-ball and the user of abrading-ball are independent traditionally, and manufacturer seeks, by substantial amounts of production screening, the high-quality abrading-ball that properties is best, user select as possible also by substantial amounts of use screening to be best suitable for oneself need to abrading-ball.But as this isolation, the independent situation using and manufacturing, although there being technological progress to a certain extent in respective field, but allow abrading-ball reach farthest to meet the target that user requires, be necessary between the manufacture of abrading-ball and practicality, to construct an integrated technological system considered as a whole.
For this, inventor, long-pending for many years to the design of abrading-ball and manufacturing experience, before, propose name to State Patent Office and be called the patent application of " a kind of method for visualizing quantifying grating technology for ball-grinding machine abrading-ball ", application number is " 201610161104X " and the patent application of " method for visualizing of the design of a kind of high abrasion cast grinding ball composition and heat treating regime ", and application number is that the integral treatment method proposing a kind of cast grinding ball manufacture and use on the basis of " 2016101611533 " is to solve the problems referred to above.
Summary of the invention
It is an object of the invention to provide the integral treatment method of a kind of cast grinding ball manufacture and use, by a large amount of dynamically changing factors are controlled effectively and predict, in manufacturing the long process used with product, the waste of existence is big, efficiency is low to avoid product, the problem that cost is high, the manufacturer of abrading-ball and the user of abrading-ball effectively carry out integration combination process, both meet user's performance requirement to high-quality abrading-ball, also meet the abrading-ball manufacture that manufacturer is most economical for self under the premise completing user's demand.
For reaching above-mentioned purpose, the technical scheme is that
The integral treatment method of a kind of cast grinding ball manufacture of the present invention and use, comprises the steps:
(1) reverse thinking is adopted first to determine user's mechanical property requirements to abrading-ball；
(2) according to needed for user abrading-ball require mechanical performance index and use method for visualizing determine most economical certain be Material quality of grinding balls；
(3) mechanical performance index that requires according to abrading-ball needed for user and determine most economical certain be that abrading-ball determines that certain is the system of heat treatment process of the chemical composition limit of abrading-ball and correspondence thereof；
(4) to the best founding method producing the abrading-ball meeting customer requirement and carrying out abrading-ball composition that cost estimation determines that when meeting the mechanics serviceability of the user's needs minimum abrading-ball of cost manufactures as the manufacturer's needs met customer need and heat treating regime design.
Preferably, step (1) being determined, the mechanical property requirements of abrading-ball is included that the hardness of abrading-ball have to be larger than 60HRC, toughness reaches 3.0J/cm2 and heart portion reaches three mechanical property targets of 1.0 with the case hardness uniformity by user.
Preferably, step (2) uses method for visualizing determines most economical certain be Material quality of grinding balls be chromium content be the high-Cr grinding balls of 10.86%.
Preferably, certain determination in step (3) is the mass fraction content of the chemical composition of abrading-ball is carbon 1.8-3.2%, silicon 0.2-1.3%, manganese 0.3-1.5%, chromium 7-11%, ferrum 83-88%, phosphorus 0-0.04%, sulfur 0-0.04% and alterant 0.4-1.2%.
The beneficial effects of the present invention is,
null(1) present invention proposes to construct an integrated technological system considered as a whole between a kind of manufacture at abrading-ball and practicality，Pass through reverse thinking，First the performance requirement to abrading-ball determined with user，Determine that certain being best suitable for user's demand is Material quality of grinding balls by the method for visualizing of abrading-ball grating technology，Then determine with the method for visualizing of heat treating regime again through the design of abrading-ball composition meet user's demand to hardness、Toughness and three technical specifications of the hardness uniformity all satisfactory certain be chemical composition limit and the manufacturing process thereof of abrading-ball，Especially Technology for Heating Processing scope，Then it is abrading-ball chemical composition limit and manufacturing process thereof by manufacturer meeting certain of user's demand，Especially Technology for Heating Processing scope select most economical abrading-ball as manufacturer's prioritizing selection cast grinding ball，Thus effective, the manufacturer of abrading-ball and the user of abrading-ball are carried out integration combination process，Both user's performance requirement to high-quality abrading-ball had been met，Also the abrading-ball manufacture that manufacturer is most economical for self under the premise completing user's demand is met；
(2) a large amount of dynamically changing factors are controlled effectively and predict by the present invention, in manufacturing the long process used with product, the waste of existence is big, efficiency is low to avoid product, the problem that cost is high, the present invention can effectively utilize the information technology of high speed development, intellectually and automatically technology to accelerate the technological progress in this field, pay attention to refine, ensure iron and steel liquid degree of purity, make modification effect stable, process of setting is absent from the tissue of a large amount of segregation, variation and instability, thus ensureing that dense internal organization and surface quality are good；And make abrading-ball heart portion consistent to the mechanical property on surface, serviceability, improve the service life of abrading-ball；Thus energy-saving and cost-reducing and reduction production cost；
(3) present invention efficiently solves and constrains abrading-ball in prior art situation in abrading-ball manufacture and give full play to its performance condition, it is unfavorable for the problem that manufacturing cost reduces, thus producing the best abrading-ball of performance to greatest extent and the optimal abrading-ball of user carries out planning as a whole to combine, the manufacture and the use that make abrading-ball have clear and definite directivity, significantly reduce consumption reduction and reduce production cost.
Detailed description of the invention
Below in conjunction with being embodied as example, the present invention is described in further details.
Tradition coal pulverizer installs abrading-ball additional mainly with coal pulverizer electric current for reference to foundation, take regularly to install major diameter abrading-ball mode (φ 60mm) additional, it is easily caused coal pulverizer inner barrel different-diameter abrading-ball ratio unreasonable, causes the crushing force to coal cinder, coal grain to have a surplus, and grinding forces is not enough；Owing to, under this working condition, the DYNAMIC DISTRIBUTION of Different Diameter abrading-ball is unfavorable for high efficiency grinding；Relatively big plus the normal off-design coal of ature of coal, make unit power consumption of coal pulverizing raise.
The present invention designs various ball mills grating technical scheme, and consider and analyze single hop or multistage operation area abrading-ball stream kinetic characteristic, use method for visualizing to add up the skill element test system that is made up of the performance assessment criteria such as energy consumption, abrasion, flour extraction, production cost and influence factor and level etc., calculate, arrange and optimization draws optimum accumulation of mill-balls technique；And apply method for visualizing and collection of illustrative plates, best abrading-ball grading distribution scheme and Dynamic High-accuracy tip-in parameter engineering model, in conjunction with on-the-spot actual, formulate abrading-ball dress tip-in institutional guarantee ball mill running abrading-ball grating and can be in engineering state optimum gradation level stable, reliably.
The manufacturer of abrading-ball and the user of abrading-ball are independent traditionally, and manufacturer seeks, by substantial amounts of production screening, the high-quality abrading-ball that properties is best, user select as possible also by substantial amounts of use screening to be best suitable for oneself need to abrading-ball.But as this isolation, the independent situation using and manufacturing, although there being technological progress to a certain extent in respective field, but allow abrading-ball reach farthest to meet the target that user requires, be necessary between the manufacture of abrading-ball and practicality, to construct an integrated technological system considered as a whole.The purpose of the present invention is that the integral treatment method proposing a kind of abrading-ball manufacture and use is to solve above-mentioned technical problem.
The integral treatment method of a kind of abrading-ball manufacture and use, specifically includes following steps:
(1) reverse thinking is adopted first to determine user's mechanical property requirements to abrading-ball；
Such as the abrading-ball suitable in certain power plant 300MW unit abrading-ball coal pulverizer, its mechanical performance index requires to have to be larger than 60HRC due to hardness, and toughness reaches the hardness uniformity on 3.0J/cm2, heart portion and surface and reaches 1.0.
(2) mechanical performance index that requires according to abrading-ball needed for user and use method for visualizing determine most economical certain be Material quality of grinding balls, and formulate the casting design technology of abrading-ball needed for user；
Determining the casting design technology of abrading-ball needed for user, described casting design technology mainly embodies concrete technologies, frock and device from three aspects, specific as follows:
1) chemical composition basis, alloying and Metamorphism treatment etc.；
2) rate of cooling metal mold (surface coated treatment, basic coating and work coating), device for sand coated iron mould type, die temperance control etc.；
3) crystallization condition vibrant crystal, centrifugal casting etc..
In order to produce steady quality, colory abrading-ball, have employed this field advanced manufacturing technology at its liquid condition shaping and process of setting: smelting technology adopts the built-in desulfurization of induction furnace, dephosphorizing technology comprehensively；Refinery practice adopts induction furnace bottom argon technology；Modification process rushes calcium iron wire technology outside adopting；Forming technology adopts metal mold (surface coating processes, basic coating, work coating), device for sand coated iron mould technology；Solidifying process adopts vibrant crystal, centrifugal casting technology.Required grounding ball casting rate of cooling is that (surface coating processes by adopting metal mold, basic coating, work coating), the forming technology of device for sand coated iron mould and die temperance control control, the crystallization condition of required abrading-ball be by adopting vibrant crystal, the solidifying process of centrifugal casting technology controls.Being defined below of the chemical composition of required abrading-ball:
The abrading-ball grating technology and the selected most economical abrading-ball organization design that are now applied to certain power plant 300MW unit abrading-ball coal pulverizer as case content and introduce its operation and result of use with control technology.
Before, propose name to State Patent Office and be called the patent application of " a kind of method for visualizing quantifying grating technology for ball-grinding machine abrading-ball ", application number is " 201610161104X " and the patent application of " method for visualizing of the design of a kind of high abrasion cast grinding ball composition and heat treating regime ", application number is " 2016101611533 ", the patent application of described " a kind of method for visualizing quantifying grating technology for ball-grinding machine abrading-ball " proposes the grinding machine dress tip-in technical solution that system is complete, method for visualizing is used to obtain abrading-ball the best useful load, most economical Material quality of grinding balls and best abrading-ball grading distribution scheme, by high-quality abrading-ball being made to adapt to different operating environment the determination of the grading distribution scheme of best different sphere diameter abrading-balls, give full play to its excellent serviceability；Table 1 is visualization optimum results system, as shown in table 1, by the visual analyzing that grating performance assessment criteria (abrasion of energy consumption of mill, abrading-ball, flour extraction, production cost) is mapped by the influence factor of four kinds of different sphere diameter abrading-balls (armoured material, abrasives, abrading-ball useful load, abrading-ball sphere diameter proportioning, abrading-ball alloying component and heat treating regime), optimization, consider further that some technological factor, it is determined that M2 group (Φ 60: Φ 50: Φ 40: Φ 30=11.65:50.11:28.17:10.07) can as optimum gradation scheme.So that it is determined that abrading-ball the best useful load is: 36.23t；Most economical preferred Material quality of grinding balls is: the high-Cr grinding balls containing about Cr10.86%.It is achieved thereby that to chromium system Material quality of grinding balls with grating performance assessment criteria for touchstone, with the influence factor of performance assessment criteria for experimental variable, finally achieve use 4 kinds of sphere diameter abrading-balls of chromium material best abrading-ball useful load with most economical Material quality of grinding balls when the visualized operation of grading distribution scheme of best different sphere diameter abrading-balls.
Table 1 visualizes optimum results system
Under the premise determining casting mold character, Metamorphic Conditions, crystallization condition, it is determined that it is specifically chosen and regulates content: alloying component and heat treating regime.Use the patent application of described " a kind of method for visualizing quantifying grating technology for ball-grinding machine abrading-ball ", it is determined that the preferred Material quality of grinding balls that in table 1, second behavior is most economical is: the high-Cr grinding balls containing about Cr10.86%.
(3) mechanical performance index that requires according to abrading-ball needed for user and determine most economical certain be that abrading-ball determines that certain is the system of heat treatment process of the chemical composition limit of abrading-ball and correspondence thereof；
The patent application of described " method for visualizing of the design of a kind of high abrasion cast grinding ball composition and heat treating regime ", in the experimental system that 3 performance assessment criteria (hardness, toughness, heart portion and the case hardness uniformity), 6 factors, 13 level points are formed, is used method for visualizing not only to obtain the experiment of method for visualizing design optimization with few experiment number and can be obtained hardness, toughness and all satisfactory material prescription scope of three technical specifications of the hardness uniformity and heat treatment condition scope.Based on casting technique platforms such as advanced smelting technology, refinery practice, modification process, moulding process, solidifying process, the preferred plan of the visual analyzing acquisition carrying out abrading-ball composition and heat treating regime not only can produce the abrading-ball that anti-wear performance is excellent, and makes manufacturing enterprise obtain bigger economic benefit with minimum production cost.
Table 2 visualizes the design of abrading-ball composition and heat treating regime design optimization result
| C (%) | Si (%) | Mn (%) | Cr (%) | Alterant (%) | Fe (%) | Technology for Heating Processing | Hardness | Toughness | The hardness uniformity |
| 1.81 | 0.65 | 0.99 | 9.97 | 0.98 | 86.58 | 8 | HRC61 | 3.2 | 1 |
| 1.93 | 1.20 | 0.49 | 9.57 | 0.79 | 86.81 | 5 | HRC59 | 2.5 | 1.5 |
| 2.04 | 0.57 | 1.30 | 8.96 | 0.63 | 87.13 | 3 | HRC61 | 3.3 | 1.1 |
| 2.14 | 1.12 | 0.80 | 10.09 | 0.45 | 85.85 | 1 | HRC60 | 3.4 | 1.2 |
| 2.28 | 0.47 | 0.30 | 9.68 | 1.04 | 87.27 | 9 | HRC61 | 3.1 | 1 |
| 2.39 | 1.03 | 1.09 | 9.18 | 0.85 | 86.31 | 6 | HRC60 | 4.1 | 1.3 |
| 2.52 | 0.38 | 0.60 | 10.22 | 0.68 | 86.28 | 4 | HRC58 | 3.3 | 1.4 |
| 2.61 | 0.94 | 1.41 | 9.70 | 0.50 | 85.34 | 2 | HRC60 | 3.1 | 1.1 |
| 2.75 | 0.29 | 0.90 | 9.24 | 1.09 | 86.82 | 9 | HRC62 | 2.9 | 1.1 |
| 2.87 | 0.84 | 0.40 | 10.34 | 0.91 | 85.55 | 7 | HRC59 | 2.8 | 1 |
| 2.98 | 0.19 | 1.20 | 9.86 | 0.74 | 85.77 | 5 | HRC61 | 2.9 | 0.9 |
| 3.07 | 0.75 | 0.70 | 9.33 | 0.57 | 86.15 | 3 | HRC61 | 3.4 | 1.2 |
| 3.22 | 1.29 | 1.51 | 10.49 | 1.14 | 83.49 | 10 | HRC62 | 3 | 1.1 |
nullAccording to table 2，This invention is through the design of abrading-ball composition and heat treating regime visual analyzing、Optimize，Consider further that some technological factor，Close to be grouped closest to the first of 10.86% chromium content variable and the fifty percentth，Namely the quality of the first alloying component combination is carbon 1.81%、Silicon 0.65%、Manganese 0.99%、Chromium 9.97%、Ferrum 86.58% and alterant 0.98%，Heat treating regime is the casting design technology of G8，The mass fraction of described 5th alloying component combination is carbon 2.28%、Silicon 0.47%、Manganese 0.30%、Chromium 9.68%、Ferrum 87.27% and alterant 1.04%，The casting design technology (make this composition by production unit operating condition and management level accordingly again and combine each elemental composition scope) that heat treating regime is G9 can as under working condition，The casting Technology Design scheme of the abrading-ball composition met customer need and heat treating regime design.
(4) to the best founding method producing the abrading-ball meeting customer requirement and carrying out abrading-ball composition that cost estimation determines that when meeting the mechanics serviceability of the user's needs minimum abrading-ball of cost manufactures as the manufacturer's needs met customer need and heat treating regime design.
Contrast to be grouped closest to the first and the fifty percentth of 10.86% chromium content variable and close, namely the quality of the first alloying component combination is carbon 1.81%, silicon 0.65%, manganese 0.99%, chromium 9.97%, ferrum 86.58% and alterant 0.98%, heat treating regime be G8 casting design technology and described 5th alloying component combination mass fraction be carbon 2.28%, silicon 0.47%, manganese 0.30%, chromium 9.68%, ferrum 87.27% and alterant 1.04%, heat treating regime is the manufacturing cost of the casting design technology of G9, draw the preferred plan that sub-optimal but most economical the 5th alloy of performance designs as the abrading-ball composition met customer need and heat treating regime.
nullBased on above-mentioned，The present invention proposes to construct an integrated technological system considered as a whole between a kind of manufacture at abrading-ball and practicality，Pass through reverse thinking，First the performance requirement to abrading-ball determined with user，Determine that certain being best suitable for user's demand is Material quality of grinding balls by the method for visualizing of abrading-ball grating technology，Then determine with the method for visualizing of heat treating regime again through the design of abrading-ball composition meet user's demand to hardness、Toughness and three technical specifications of the hardness uniformity all satisfactory certain be chemical composition limit and the manufacturing process thereof of abrading-ball，Especially Technology for Heating Processing scope，Then it is abrading-ball chemical composition limit and manufacturing process thereof by manufacturer meeting certain of user's demand，Especially Technology for Heating Processing scope select most economical abrading-ball as manufacturer's prioritizing selection cast grinding ball，Thus effective, the manufacturer of abrading-ball and the user of abrading-ball are carried out integration combination process，Both user's performance requirement to high-quality abrading-ball had been met，Also the abrading-ball manufacture that manufacturer is most economical for self under the premise completing user's demand is met；A large amount of dynamically changing factors are controlled effectively and predict, in manufacturing the long process used with product, the waste of existence is big, efficiency is low to avoid product, the problem that cost is high, the present invention can effectively utilize the information technology of high speed development, intellectually and automatically technology to accelerate the technological progress in this field, pay attention to refine, ensure iron and steel liquid degree of purity, make modification effect stable, process of setting is absent from the tissue of a large amount of segregation, variation and instability, thus ensureing that dense internal organization and surface quality are good；And make abrading-ball heart portion consistent to the mechanical property on surface, serviceability, improve the service life of abrading-ball；Thus energy-saving and cost-reducing and reduction production cost；Efficiently solve and prior art situation constrains in abrading-ball manufacture abrading-ball give full play to its performance condition, it is unfavorable for the problem that manufacturing cost reduces, thus producing the best abrading-ball of performance to greatest extent and the optimal abrading-ball of user carries out planning as a whole to combine, the manufacture and the use that make abrading-ball have clear and definite directivity, significantly reduce consumption reduction and reduce production cost.
As known by the technical knowledge, the present invention can be realized by the embodiment of other essence without departing from its spirit or essential feature.Therefore, embodiment disclosed above, for each side, all it is merely illustrative, is not only.All within the scope of the present invention or all comprised by the present invention in the change being equal in the scope of the present invention.
Claims (4)
1. the integral treatment method of a cast grinding ball manufacture and use, it is characterised in that comprise the steps:
(1) user's mechanical property requirements to abrading-ball is first determined；
According to needed for user abrading-ball require mechanical performance index and use method for visualizing determine most economical certain be Material quality of grinding balls；
(3) mechanical performance index that requires according to abrading-ball needed for user and determine most economical certain be that abrading-ball determines that certain is the system of heat treatment process of the chemical composition limit of abrading-ball and correspondence thereof；
(4) to the best founding method producing the abrading-ball meeting customer requirement and carrying out abrading-ball composition that cost estimation determines that when meeting the mechanics serviceability of the user's needs minimum abrading-ball of cost manufactures as the manufacturer's needs met customer need and heat treating regime design.
2. the integral treatment method of a kind of cast grinding ball manufacture according to claim 1 and use, it is characterized in that, step (1) being determined, the mechanical property requirements of abrading-ball is included that the hardness of abrading-ball have to be larger than 60HRC, toughness reaches 3.0J/cm2 and heart portion reaches three mechanical property targets of 1.0 with the case hardness uniformity by user.
3. the integral treatment method of a kind of cast grinding ball manufacture according to claim 1 and use, it is characterised in that step (2) uses method for visualizing determines most economical certain be Material quality of grinding balls be chromium content be the high-Cr grinding balls of 10.86%.
4. the integral treatment method of a kind of cast grinding ball manufacture according to claim 3 and use, it is characterized in that, certain determination in step (3) is the mass fraction content of the chemical composition of abrading-ball is carbon 1.8-3.2%, silicon 0.2-1.3%, manganese 0.3-1.5%, chromium 7-11%, ferrum 83-88%, phosphorus 0-0.04%, sulfur 0-0.04% and alterant 0.4-1.2%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610179916.7A CN105750031A (en) | 2016-03-23 | 2016-03-23 | Manufacturing and applying integrated processing method for cast grinding balls |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610179916.7A CN105750031A (en) | 2016-03-23 | 2016-03-23 | Manufacturing and applying integrated processing method for cast grinding balls |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5751241A (en) * | 1980-09-12 | 1982-03-26 | Komatsu Ltd | Ball alloy for pulverization |
| CN1165201A (en) * | 1997-02-27 | 1997-11-19 | 河北电力设备厂 | High ductility high chromium abrasion-resistant ball for ball grinder and its manufacturing method |
| CN103060662A (en) * | 2012-12-26 | 2013-04-24 | 宁波市瑞通新材料科技有限公司 | Preparation process of alloy cast iron grinding ball |
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2016
- 2016-03-23 CN CN201610179916.7A patent/CN105750031A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5751241A (en) * | 1980-09-12 | 1982-03-26 | Komatsu Ltd | Ball alloy for pulverization |
| CN1165201A (en) * | 1997-02-27 | 1997-11-19 | 河北电力设备厂 | High ductility high chromium abrasion-resistant ball for ball grinder and its manufacturing method |
| CN103060662A (en) * | 2012-12-26 | 2013-04-24 | 宁波市瑞通新材料科技有限公司 | Preparation process of alloy cast iron grinding ball |
Non-Patent Citations (2)
| Title |
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| 王仲珏: "适合现代化规模化生产的高铬铸铁磨球新工艺", 《机械研究与应用》 * |
| 章丘东汉铁艺有限公司: "球磨机专用磨球的产品信息", 《HTTP://M.GUIDECHEM.COM/PRODUCT/PRODETAIL1134041.HTML》 * |
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