CN104307605A - Wear-resistant ball mill liner with high toughness and high hardness - Google Patents
Wear-resistant ball mill liner with high toughness and high hardness Download PDFInfo
- Publication number
- CN104307605A CN104307605A CN201410226641.9A CN201410226641A CN104307605A CN 104307605 A CN104307605 A CN 104307605A CN 201410226641 A CN201410226641 A CN 201410226641A CN 104307605 A CN104307605 A CN 104307605A
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- Prior art keywords
- powder
- wear
- ball mill
- temperature
- lining sheet
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Classifications
-
- 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
- B02C17/22—Lining for containers
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/18—Hardening; Quenching with or without subsequent tempering
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C24/00—Coating starting from inorganic powder
- C23C24/02—Coating starting from inorganic powder by application of pressure only
- C23C24/06—Compressing powdered coating material, e.g. by milling
-
- 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
Abstract
The invention discloses a wear-resistant ball mill liner with high toughness and high hardness. The wear-resistant ball mill liner with high toughness and high hardness is obtained by the steps of S1. taking waste steel, ferrochrome, ferromolybdenum and a carburant as basic materials, putting the above materials into a heating furnace, heating and keeping the temperature, sending the heated materials into a mold for shaping, and forging to obtain a preformed liner; S2. taking zirconia ceramic powder, silicon carbide, spinel, titanium nitride and chromium carbide as powder materials, adding water, mixing uniformly with the powder materials, grinding thoroughly, spray drying and screening to obtain pretreated powder materials; S3. covering the whole surface of the preformed liner with the pretreated powder materials, beating, cooling, the cooling process conforming with an inverse proportional function, and then sending to a quenching liquid to cool sharply; and S4. tempering. The wear-resistant ball mill liner with high toughness and high hardness has high wear-resistant property, high hardness and good toughness.
Description
Technical field
The present invention relates to abrasion-proof backing block technical field, particularly relate to a kind of wear-resistant high-ductility high rigidity lining sheet for ball mill.
Background technology
Ball mill is one of widely used Super-fine grinder machinery in industrial production.Ball mill is machine lump material being broken into granular material, and its ball mill barrel when producing rotates, and drives the material in cylinder and steel ball to carry out rotation and forms drop percussion movement.Ball mill is mounted on hollow material blocking ring liner plate in steel ball and material and cylindrical shell or solid material stopping ring liner plate clashes into, and steel ball, material mutually clashes into rubbing action in rotary barrel makes powder by lump materials such as ores, wherein liner plate can be used to protect cylindrical shell, cylindrical shell is made directly to impact from abrasive body and material and rub, also multi-form liner plate can be utilized to adjust the motion state of abrasive body simultaneously, strengthen abrasive body to the pulverization of material, contribute to the mill efficiency improving grinding machine, increase yield, reduce metal consumption, current domestic ball mill target mostly is cement, coal, ore, cinder etc., liner plate hardness when ball mill is used, wearability and toughness reguirements more and more higher.
Summary of the invention
The present invention proposes a kind of wear-resistant high-ductility high rigidity lining sheet for ball mill, anti-wear performance is good, and hardness is high and have good toughness.
A kind of wear-resistant high-ductility high rigidity lining sheet for ball mill that the present invention proposes, comprising:
S1, take 20-30 part steel scrap, 15-17 part ferrochrome, 10-13 part molybdenum-iron and 3-6 part carburant by weight and put into after heating furnace is heated to 1300-1450 DEG C as base material and be incubated 30-45min, send into die for molding, forge and obtain preformed liner plate;
S2, be benchmark 1.5-2wt% carborundum with 30-40 part zirconia ceramics powder and with base material, 1-3wt% spinelle, 4-6wt% titanium nitride, 2-4.5wt% chromium carbide is as powder, take with powder is that the water of benchmark 0.8-1.3 times weight mixes with described powder and fully grinds 24-36h, spraying dry, baking temperature is 125-140 DEG C, sieve and obtain pretreatment powder, pretreatment powder is 30-50 μm by particle diameter, 55-60 μm, 62-65 μm, the component composition of 70-73 μm, shared weight portion is followed successively by 20-25 part, 40-60 part, 30-50 part, 15-32 part,
S3, pretreatment powder is preheated to the 380-420 DEG C of whole preformed backing surface of uniform fold, be cooled to 600-650 DEG C after beating 20-40min, cooling procedure follows inverse proportion function, then sends in 30-40 DEG C of quenching liquid and sharply lowers the temperature;
S4, the material prepared by S3 carry out tempering and obtain a kind of wear-resistant high-ductility high rigidity lining sheet for ball mill, and temperature is 210-243 DEG C, and tempering time is 7-8h.
Preferably, in S1, be heated to 1400-1420 DEG C, the Changing Pattern of temperature rule Zunhua T=arcsint over time in temperature-rise period.
Preferably, in S2, powder comprises 35-38 part zirconia ceramics powder and is benchmark 1.7-1.9wt% carborundum, 1.5-2wt% spinelle, 5-5.5wt% titanium nitride, 3-3.7wt% chromium carbide with base material.
Preferably, in S2, pretreatment powder by particle diameter be 40-45 μm, 55-60 μm, 62-65 μm, 70-73 μm component form, shared weight portion is followed successively by 21-23 part, 45-55 part, 45-48 part, 20-25 part.
Preferably, in S3, pretreatment powder is preheated to the 400-410 DEG C of whole preformed backing surface of uniform fold, be cooled to 620-630 DEG C after beating 25-30min, cooling procedure follows inverse proportion function, then sends in 35-38 DEG C of quenching liquid and sharply lowers the temperature.
Preferably, in S4, temperature is 220-235 DEG C.
The present invention is by adopting steel scrap, ferrochrome, molybdenum-iron and carburant as base material, using zirconia ceramics powder, carborundum, spinelle, titanium nitride, chromium carbide as powder, pretreated powder uniform fold substrate surface will be carried out, the process of beating rear cooling is followed inverse proportion function, is sent in quenching liquid and sharply lower the temperature and tempering process, the good toughness of liner plate, hardness and anti-wear performance significantly improve, product strength increases greatly, and significantly can reduce the frictional dissipation between inner liner of bowl mill plate and abrading-ball.
Detailed description of the invention
A kind of wear-resistant high-ductility high rigidity lining sheet for ball mill that the present invention proposes, comprising:
S1, take 20-30 part steel scrap, 15-17 part ferrochrome, 10-13 part molybdenum-iron and 3-6 part carburant by weight and put into after heating furnace is heated to 1300-1450 DEG C as base material and be incubated 30-45min, send into die for molding, forge and obtain preformed liner plate;
S2, be benchmark 1.5-2wt% carborundum with 30-40 part zirconia ceramics powder and with base material, 1-3wt% spinelle, 4-6wt% titanium nitride, 2-4.5wt% chromium carbide is as powder, take with powder is that the water of benchmark 0.8-1.3 times weight mixes with described powder and fully grinds 24-36h, spraying dry, baking temperature is 125-140 DEG C, sieve and obtain pretreatment powder, pretreatment powder is 30-50 μm by particle diameter, 55-60 μm, 62-65 μm, the component composition of 70-73 μm, shared weight portion is followed successively by 20-25 part, 40-60 part, 30-50 part, 15-32 part,
S3, pretreatment powder is preheated to the 380-420 DEG C of whole preformed backing surface of uniform fold, be cooled to 600-650 DEG C after beating 20-40min, cooling procedure follows inverse proportion function, then sends in 30-40 DEG C of quenching liquid and sharply lowers the temperature;
S4, the material prepared by S3 carry out tempering and obtain a kind of wear-resistant high-ductility high rigidity lining sheet for ball mill, and temperature is 210-243 DEG C, and tempering time is 7-8h.
Embodiment 1
A kind of wear-resistant high-ductility high rigidity lining sheet for ball mill that the present invention proposes, comprising:
S1, take 20 parts of steel scraps, 17 parts of ferrochrome, 10 parts of molybdenum-irons and 6 parts of carburants by weight and put into after heating furnace is heated to 1300 DEG C as base material and be incubated 45min, send into die for molding, forge and obtain preformed liner plate;
S2, be that benchmark 2wt% carborundum, 1wt% spinelle, 6wt% titanium nitride, 2wt% chromium carbide are as powder using 30 parts of zirconia ceramics powder and with base material, take with powder is that the water of benchmark 1.3 times of weight mixes with described powder and fully grinds 24h, spraying dry, baking temperature is 140 DEG C, sieve and obtain pretreatment powder, pretreatment powder by particle diameter be 40-45 μm, 55-60 μm, 62-65 μm, 70-73 μm component form, shared weight portion is followed successively by 20 parts, 60 parts, 30 parts, 32 parts;
S3, pretreatment powder is preheated to 380 DEG C of whole preformed backing surface of uniform fold, be cooled to 600 DEG C after beating 40min, cooling procedure follows inverse proportion function, then sends in 40 DEG C of quenching liquids and sharply lowers the temperature;
S4, the material prepared by S3 carry out tempering and obtain a kind of wear-resistant high-ductility high rigidity lining sheet for ball mill, and temperature is 210 DEG C, and tempering time is 8h.
Embodiment 2
A kind of wear-resistant high-ductility high rigidity lining sheet for ball mill that the present invention proposes, comprising:
S1, take 30 parts of steel scraps, 15 parts of ferrochrome, 13 parts of molybdenum-irons and 3 parts of carburants by weight and put into after heating furnace is heated to 1450 DEG C as base material and be incubated 30min, send into die for molding, forge and obtain preformed liner plate;
S2, be that benchmark 1.5wt% carborundum, 3wt% spinelle, 4wt% titanium nitride, 4.5wt% chromium carbide are as powder using 40 parts of zirconia ceramics powder and with base material, take with powder is that the water of benchmark 0.8 times of weight mixes with described powder and fully grinds 36h, spraying dry, baking temperature is 125 DEG C, sieve and obtain pretreatment powder, pretreatment powder by particle diameter be 40-45 μm, 55-60 μm, 62-65 μm, 70-73 μm component form, shared weight portion is followed successively by 25 parts, 40 parts, 50 parts, 15 parts;
S3, pretreatment powder is preheated to 420 DEG C of whole preformed backing surface of uniform fold, be cooled to 650 DEG C after beating 20min, cooling procedure follows inverse proportion function, then sends in 30 DEG C of quenching liquids and sharply lowers the temperature;
S4, the material prepared by S3 carry out tempering and obtain a kind of wear-resistant high-ductility high rigidity lining sheet for ball mill, and temperature is 243 DEG C, and tempering time is 7h.
Embodiment 3
A kind of wear-resistant high-ductility high rigidity lining sheet for ball mill that the present invention proposes, comprising:
S1, take 23 parts of steel scraps, 16 parts of ferrochrome, 11 parts of molybdenum-irons and 4 parts of carburants by weight and put into heating furnace as base material and be heated to 1400 DEG C, the Changing Pattern of temperature rule Zunhua T=arcsint over time in temperature-rise period, then 33min is incubated, send into die for molding, forge and obtain preformed liner plate;
S2, be that benchmark 1.9wt% carborundum, 1.5wt% spinelle, 5.5wt% titanium nitride, 3wt% chromium carbide are as powder using 35 parts of zirconia ceramics powder and with base material, take with powder is that the water of benchmark 1 times of weight mixes with described powder and fully grinds 30h, spraying dry, baking temperature is 130 DEG C, sieve and obtain pretreatment powder, pretreatment powder by particle diameter be 40-45 μm, 55-60 μm, 62-65 μm, 70-73 μm component form, shared weight portion is followed successively by 23 parts, 45 parts, 48 parts, 20 parts;
S3, pretreatment powder is preheated to 410 DEG C of whole preformed backing surface of uniform fold, be cooled to 630 DEG C after beating 25min, cooling procedure follows inverse proportion function, then sends in 35 DEG C of quenching liquids and sharply lowers the temperature;
S4, the material prepared by S3 carry out tempering and obtain a kind of wear-resistant high-ductility high rigidity lining sheet for ball mill, and temperature is 235 DEG C, and tempering time is 7.7h.
Embodiment 4
A kind of wear-resistant high-ductility high rigidity lining sheet for ball mill that the present invention proposes, comprising:
S1, take 27 parts of steel scraps, 16 parts of ferrochrome, 12 parts of molybdenum-irons and 5 parts of carburants by weight and put into heating furnace as base material and be heated to 1420 DEG C, the Changing Pattern of temperature rule Zunhua T=arcsint over time in temperature-rise period, then 43min is incubated, send into die for molding, forge and obtain preformed liner plate;
S2, be that benchmark 1.7wt% carborundum, 2wt% spinelle, 5wt% titanium nitride, 3.7wt% chromium carbide are as powder using 38 parts of zirconia ceramics powder and with base material, take with powder is that the water of benchmark 1.2 times of weight mixes with described powder and fully grinds 33h, spraying dry, baking temperature is 137 DEG C, sieve and obtain pretreatment powder, pretreatment powder by particle diameter be 30-50 μm, 55-60 μm, 62-65 μm, 70-73 μm component form, shared weight portion is followed successively by 21 parts, 55 parts, 45 parts, 25 parts;
S3, pretreatment powder is preheated to 400 DEG C of whole preformed backing surface of uniform fold, be cooled to 620 DEG C after beating 30min, cooling procedure follows inverse proportion function, then sends in 38 DEG C of quenching liquids and sharply lowers the temperature;
S4, the material prepared by S3 carry out tempering and obtain a kind of wear-resistant high-ductility high rigidity lining sheet for ball mill, and temperature is 220 DEG C, and tempering time is 7.3h.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (6)
1. a wear-resistant high-ductility high rigidity lining sheet for ball mill, is characterized in that, comprising:
S1, take 20-30 part steel scrap, 15-17 part ferrochrome, 10-13 part molybdenum-iron and 3-6 part carburant by weight and put into after heating furnace is heated to 1300-1450 DEG C as base material and be incubated 30-45min, send into die for molding, forge and obtain preformed liner plate;
S2, be benchmark 1.5-2wt% carborundum with 30-40 part zirconia ceramics powder and with base material, 1-3wt% spinelle, 4-6wt% titanium nitride, 2-4.5wt% chromium carbide is as powder, take with powder is that the water of benchmark 0.8-1.3 times weight mixes with described powder and fully grinds 24-36h, spraying dry, baking temperature is 125-140 DEG C, sieve and obtain pretreatment powder, pretreatment powder is 30-50 μm by particle diameter, 55-60 μm, 62-65 μm, the component composition of 70-73 μm, shared weight portion is followed successively by 20-25 part, 40-60 part, 30-50 part, 15-32 part,
S3, pretreatment powder is preheated to the 380-420 DEG C of whole preformed backing surface of uniform fold, be cooled to 600-650 DEG C after beating 20-40min, cooling procedure follows inverse proportion function, then sends in 30-40 DEG C of quenching liquid and sharply lowers the temperature;
S4, the material prepared by S3 carry out tempering and obtain a kind of wear-resistant high-ductility high rigidity lining sheet for ball mill, and temperature is 210-243 DEG C, and tempering time is 7-8h.
2. a kind of wear-resistant high-ductility high rigidity lining sheet for ball mill according to claim 1, is characterized in that, in S1, be heated to 1400-1420 DEG C, the Changing Pattern of temperature rule Zunhua T=arcsint over time in temperature-rise period.
3. a kind of wear-resistant high-ductility high rigidity lining sheet for ball mill according to claim 1, it is characterized in that, in S2, powder comprises 35-38 part zirconia ceramics powder and is benchmark 1.7-1.9wt% carborundum, 1.5-2wt% spinelle, 5-5.5wt% titanium nitride, 3-3.7wt% chromium carbide with base material.
4. a kind of wear-resistant high-ductility high rigidity lining sheet for ball mill according to claim 1, it is characterized in that, in S2, pretreatment powder by particle diameter be 40-45 μm, 55-60 μm, 62-65 μm, 70-73 μm component form, shared weight portion is followed successively by 21-23 part, 45-55 part, 45-48 part, 20-25 part.
5. a kind of wear-resistant high-ductility high rigidity lining sheet for ball mill according to claim 1, it is characterized in that, in S3, pretreatment powder is preheated to the 400-410 DEG C of whole preformed backing surface of uniform fold, 620-630 DEG C is cooled to after beating 25-30min, cooling procedure follows inverse proportion function, then sends in 35-38 DEG C of quenching liquid and sharply lowers the temperature.
6. a kind of wear-resistant high-ductility high rigidity lining sheet for ball mill according to claim 1, is characterized in that, in S4, temperature is 220-235 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410226641.9A CN104307605A (en) | 2014-05-26 | 2014-05-26 | Wear-resistant ball mill liner with high toughness and high hardness |
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| CN201410226641.9A CN104307605A (en) | 2014-05-26 | 2014-05-26 | Wear-resistant ball mill liner with high toughness and high hardness |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105568070A (en) * | 2015-12-28 | 2016-05-11 | 合肥中澜新材料科技有限公司 | Preparation process of wearable liner for ball mill |
| CN105819838A (en) * | 2016-04-02 | 2016-08-03 | 山东天汇研磨耐磨技术开发有限公司 | Wear-resistant ceramic liner for cement ball mill and preparation method of wear-resistant ceramic liner |
| CN105819839A (en) * | 2016-04-02 | 2016-08-03 | 山东天汇研磨耐磨技术开发有限公司 | Wear-resistant ceramic liner for cement ball mill and preparation method of wear-resistant ceramic liner |
| CN107583735A (en) * | 2017-10-09 | 2018-01-16 | 山东天汇研磨耐磨技术开发有限公司 | A kind of impact-resistant ceramic grinding liner plate and its production method |
| CN108660452A (en) * | 2018-04-27 | 2018-10-16 | 昆明理工大学 | A kind of heat-resisting liner plate of high-ductility abrasion-proof and preparation method thereof |
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| JPH0672767A (en) * | 1993-07-09 | 1994-03-15 | Nitsukatoo:Kk | Wear resistant zirconia-based sintered compact |
| CN1109384A (en) * | 1994-05-12 | 1995-10-04 | 河北机电学院 | Cast iron lining plate of ball mill and its producing method |
| CN1165203A (en) * | 1996-12-10 | 1997-11-19 | 魁永生 | Multicomponent alloy abrasion-resistant anti-corrosion high-ductility liner plate and its manufacturing method |
| CN101173343A (en) * | 2007-12-04 | 2008-05-07 | 北京工业大学 | High-strength abrasion-proof cast steel lining board and manufacturing method thereof |
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| CN1080327A (en) * | 1993-05-28 | 1994-01-05 | 青岛四海电力铸造厂 | Low-alloyed ball mill wearing liner plate and manufacturing process |
| JPH0672767A (en) * | 1993-07-09 | 1994-03-15 | Nitsukatoo:Kk | Wear resistant zirconia-based sintered compact |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105568070A (en) * | 2015-12-28 | 2016-05-11 | 合肥中澜新材料科技有限公司 | Preparation process of wearable liner for ball mill |
| CN105819838A (en) * | 2016-04-02 | 2016-08-03 | 山东天汇研磨耐磨技术开发有限公司 | Wear-resistant ceramic liner for cement ball mill and preparation method of wear-resistant ceramic liner |
| CN105819839A (en) * | 2016-04-02 | 2016-08-03 | 山东天汇研磨耐磨技术开发有限公司 | Wear-resistant ceramic liner for cement ball mill and preparation method of wear-resistant ceramic liner |
| CN105819838B (en) * | 2016-04-02 | 2018-07-13 | 山东天汇研磨耐磨技术开发有限公司 | A kind of cement ball mill abrasion-resistant ceramic lining plate and preparation method thereof |
| CN107583735A (en) * | 2017-10-09 | 2018-01-16 | 山东天汇研磨耐磨技术开发有限公司 | A kind of impact-resistant ceramic grinding liner plate and its production method |
| CN108660452A (en) * | 2018-04-27 | 2018-10-16 | 昆明理工大学 | A kind of heat-resisting liner plate of high-ductility abrasion-proof and preparation method thereof |
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Effective date of abandoning: 20170524 |