CN105669168B - A kind of preparation method of gypsum mill ceramic grinding body - Google Patents
A kind of preparation method of gypsum mill ceramic grinding body Download PDFInfo
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- CN105669168B CN105669168B CN201610032356.2A CN201610032356A CN105669168B CN 105669168 B CN105669168 B CN 105669168B CN 201610032356 A CN201610032356 A CN 201610032356A CN 105669168 B CN105669168 B CN 105669168B
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- grinding body
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- 238000000227 grinding Methods 0.000 title claims abstract description 74
- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 37
- 239000010440 gypsum Substances 0.000 title claims abstract description 37
- 239000000919 ceramic Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000001125 extrusion Methods 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 claims description 12
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 11
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 10
- 239000006184 cosolvent Substances 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 7
- 239000000377 silicon dioxide Substances 0.000 claims description 7
- 229910052593 corundum Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminium flouride Chemical group F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 claims description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 5
- 229910052681 coesite Inorganic materials 0.000 claims description 5
- 229910052906 cristobalite Inorganic materials 0.000 claims description 5
- 230000018044 dehydration Effects 0.000 claims description 5
- 238000006297 dehydration reaction Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 239000003595 mist Substances 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 239000002994 raw material Substances 0.000 claims description 5
- 229910052682 stishovite Inorganic materials 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- 229910052905 tridymite Inorganic materials 0.000 claims description 5
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 5
- 229910052656 albite Inorganic materials 0.000 claims description 4
- 229910052860 datolite Inorganic materials 0.000 claims description 4
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 claims description 3
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 3
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 10
- 239000002184 metal Substances 0.000 abstract description 10
- 239000011507 gypsum plaster Substances 0.000 abstract description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000010348 incorporation Methods 0.000 abstract description 2
- 238000005469 granulation Methods 0.000 abstract 1
- 230000003179 granulation Effects 0.000 abstract 1
- 238000000967 suction filtration Methods 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 7
- 238000001354 calcination Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 239000006227 byproduct Substances 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 239000011505 plaster Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical group O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- -1 iron ion Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000000498 ball milling Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000001175 calcium sulphate Substances 0.000 description 1
- 235000011132 calcium sulphate Nutrition 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 239000006071 cream Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000009766 low-temperature sintering Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/3231—Refractory metal oxides, their mixed metal oxides, or oxide-forming salts thereof
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- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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- C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
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Abstract
The present invention provides a kind of preparation method of gypsum mill ceramic grinding body, mainly including after dispensing, grinding, suction filtration, de- secondary vacuum pugging, old, granulation, extrusion forming, burn till be prepared at a certain temperature.The preparation method technique of the present invention is simple, and energy consumption is low, has wide range of applications.For the gypsum mill of preparation with ceramic grinding body from heavy and light, wear rate is low, and grinding energy can be greatly reduced, and extends abrasive body service life, reduces cost；There is no the incorporation of foreign metal iron ion in process of lapping, do not influence the whiteness and intensity of building gypsum plaster；Ceramic grinding body can also minimizing electrostatic absorption, be advantageous to improve mill efficiency.
Description
Technical field
The present invention relates to a kind of preparation method of gypsum mill ceramic grinding body, belong to function ceramics preparing technical field.
Background technology
Plaster stone or industry by-product gypsum are present with sulfate dihydrate calcium form, have two crystallizations water in its molecular formula, only
Sloughing a hypocrystalline water generation half-H 2 O calcium sulphate just has gelling property.The process for sloughing the crystallization water is gypsum calcining.Stone
Cream is sintered into the physical and mechanical property of building gypsum plaster and grain diameter and level are furnished with much relations.With industrial by-product desulfurated plaster
Exemplified by, desulfurated plaster particle size distribution is narrower, and grading is poor, and specific surface area is small, and rheological property is poor during hydration and hardening, holds
Easily isolation layering bleeding, causes that product unit weight is unbalanced, low intensity, therefore can typically increase grinding work before calcination or after calcining
Sequence, improve the performance of calcined gypsum powder using levigate means increase specific surface area.Conventional milling equipment is ball mill, abrasive body
For the metal grinding body made of heavy metal such as the compound chromium of metallic iron, manganese, big with bulk density, grinding machine power consumption is big, and wear rate is high,
The shortcomings that increasing metal ion.Metal grinding body easily produces excessive grinding, and meticulous grain graininess and specific surface area are too big, meeting
Influence the intensity of building gypsum plaster；Because abrasion mixes metal ion in land plaster, such as Fe3+Deng building gypsum plaster can be influenceed
Whiteness, rupture strength etc..
Ground accordingly, it is capable to consume the low-density abrasive body that low, deadweight is small, wear rate is low by increasing researcher
Study carefully.The Chinese invention patent of Application No. 201510077860.X, 201510077859.7,2015100358580.8 provides not
The preparation method and production technology of same low-density abrasive body, are mainly used in cement grinding mill.The ball-milling technology master in cement grinding mill
Crushing, the double effects of grinding are played, and in gypsum grinding technique, because gypsum particle diameter is smaller after calcining（Generally higher than 50
Mesh）, grinding function plays a major role, so huge with the highdensity metal grinding body of strong impact force energy consumption in use, loss
Greatly, its stronger effect can not be played.The research for the low-density ceramic abrasive body being exclusively used in gypsum mill is less.It is national annual
The industry by-product gypsum of output has more than one hundred million tons, takes substantial amounts of soil, causes to seriously endanger to ecological environment, is sintered into paring stone
Cream powder is to handle the main path that industry by-product gypsum recycles, and improves the performance of calcining building gypsum plaster, and model is applied in increase
Enclose and be particularly important.
Therefore, seek it is a kind of be applicable, be special, excellent performance gypsum barreling mill body is significant.
The content of the invention
It is an object of the invention to provide a kind of preparation side for the gypsum mill ceramic grinding body low, wear rate is low that consumes energy
Method.
The technical scheme is that：
A kind of gypsum mill preparation method of ceramic grinding body, comprises the following steps：
（1）Dispensing：According to following substance weight percentage preparation raw material：Al2O3：73% ~ 75.9%, SiO2：5% ~ 8%,
Cr2O3：0.5% ~ 1.8%, TiO2：1% ~ 1.45%, MnO：1.51% ~ 1.75%, ZrO2：1.6% ~ 3.4%, BaO：1% ~ 3%, silicon
Bechilite：4.6% ~ 7%, ZnO：2% ~ 2.8%, silica sols：0.3% ~ 1.1%, cosolvent 2% ~ 6%；Wherein described helps
Solvent is AlF3、CaF2, albite, NH4Cl, MgO one or more of combinations.
（2）Grinding：The material prepared is subjected to grinding, particle crosses 250 mesh sieves after making grinding, tails over ＜ 2%；
（3）Step is pumped with filter press（2）Middle slurry moisture, after dehydration after secondary vacuum pugging, it is small to stand 40 ~ 46
Shi Jinhang is old；
（4）Slurry mist projection granulating, using extrusion process extrusion forming, base substrate is made, then by base substrate at 80 ~ 120 DEG C
Dry 29 ~ 32 hours；
（5）Molding blank is in 1350 ~ 1400 DEG C of sintering, insulation 7 hours, finished product.
Technical solution of the present invention has in place of following marked improvement：
Firstth, gypsum mill ceramic grinding body prepared by the present invention is compared with metal grinding body, and from heavy and light, wear rate is low,
Grinding energy can be greatly reduced, extend abrasive body service life, reduce cost；There is no foreign metal iron ion in process of lapping
Incorporation, the whiteness and intensity of building gypsum plaster are not influenceed；Ceramic grinding body can also minimizing electrostatic absorption, be advantageous to improve grinding effect
Rate；
Secondth, it is that main crystal phase structure is brilliant that ceramic grinding body prepared by the present invention, which is formed with corundum, spinelle, mullite etc.,
It is alternate to be connected by glass phase structure, compact structure, ZrO2Addition improve brittleness of ceramics, strengthen toughness；Used to increase gypsum
The grinding function of ceramic grinding body, the extremely strong SiO of grinding capacity is inserted in the structure2 、Cr2O3, the crystallite mineral matter such as BaO,
Strengthen the effect of exchanging views to material, increase grainding capacity, the addition of crystallite mineral, hardness is high, makes grinding body function will not be by corruption
Erosion influences；The addition of cosolvent, the dense sintering under the conditions of low-temperature sintering of ceramics is reduced, reduce power consumption, improve production efficiency；
3rd, the present invention prepare gypsum ceramic grinding body method it is simple, power consumption it is low, beneficial to large scale application.
Embodiment
Case study on implementation 1
A kind of gypsum mill preparation method of ceramic grinding body, comprises the following steps：
（1）Dispensing：According to following substance weight percentage preparation raw material：Al2O3：73%, SiO2：5.7%, Cr2O3：
1.55%, TiO2：1.3%, MnO：1.65%, ZrO2：2.4%, BaO：2.3%, datolite：5.4%, ZnO：2.4%, nanometer
Colloidal silicon：0.7%, cosolvent 3.6%；Wherein described cosolvent is NH4Cl。
（2）Grinding：The material prepared is subjected to grinding, particle crosses 250 mesh sieves after making grinding, tails over ＜ 2%；
（3）Step is pumped with filter press（2）Middle slurry moisture, after dehydration after secondary vacuum pugging, stand 45 hours
Carry out old；
（4）Slurry mist projection granulating, using extrusion process extrusion forming, base substrate is made, then by base substrate at 80 ~ 100 DEG C
Dry 29 ~ 32 hours；
（5）Molding blank is in 1350 ~ 1400 DEG C of sintering, insulation 7 hours, finished product.
The gypsum mill of preparation uses ceramic grinding body, the spherical gypsum mill abrasive body being prepared into, bulk density 3.72g/cm
3, hardness reaches 9 grades of Mohs' hardness, wears away as 0.05 ‰.
Using the gypsum mill ceramic grinding body of preparation, grinding, grinding machine filling rate are carried out to the desulfurization gypsum powder after calcining
For 36.2%, the desulfurization gypsum powder performance after grinding reaches many improvement, and each performance is as shown in the table：
Wherein, the use of the power consumption of ceramic grinding body is 20.2kwh/t, the power consumption using metal grinding body is 23.5 kwh/
t。
Case study on implementation 2
A kind of gypsum mill preparation method of ceramic grinding body, comprises the following steps：
（1）Dispensing：According to following substance weight percentage preparation raw material：Al2O3：75.9%, SiO2：5.3%, Cr2O3：
0.9%, TiO2：1.25%, MnO：1.55%, ZrO2：1.9%, BaO：1.6%, datolite：5.2%, ZnO：2.3%, nanometer
Colloidal silicon：0.5%, cosolvent 3.6%；Wherein described cosolvent is albite and MgO combination, and component ratio is albite
35.5%, MgO 64.5%.
（2）Grinding：The material prepared is subjected to grinding, particle crosses 250 mesh sieves after making grinding, tails over ＜ 2%；
（3）Step is pumped with filter press（2）Middle slurry moisture, after dehydration after secondary vacuum pugging, stand 44 hours
Carry out old；
（4）Slurry mist projection granulating, using extrusion process extrusion forming, base substrate is made, then by base substrate at 80 ~ 120 DEG C
Dry 31 hours；
（5）Molding blank is in 1350 ~ 1400 DEG C of sintering, insulation 7 hours, finished product.
The gypsum mill of preparation uses ceramic grinding body, the spherical gypsum mill abrasive body being prepared into, bulk density 3.69g/cm
3, hardness reaches 9 grades of Mohs' hardness, wears away as 0.09 ‰.
Using the gypsum mill ceramic grinding body of preparation, grinding, grinding machine are carried out to the fluorine gypsum powder for producing hydrofluoric acid output
Filling rate is 34.3%, and the activity of fluorgypsum is excited after grinding, is more beneficial for hydration reaction, and each performance is as shown in the table：
Wherein, the use of the power consumption of ceramic grinding body is 25.2kwh/t, the power consumption using metal grinding body is 28.5 kwh/
t。
Case study on implementation 3
A kind of gypsum mill preparation method of ceramic grinding body, comprises the following steps：
（1）Dispensing：According to following substance weight percentage preparation raw material：Al2O3：62% ~ 83%, SiO2：6.2%, Cr2O3：
1.6%, TiO2：1.35%, MnO：1.65%, ZrO2：3.2%, BaO：2.6%, datolite：5.9%, ZnO：2.5%, nanometer
Colloidal silicon：0.8%, cosolvent 3.5%；Wherein described cosolvent is AlF3And CaF2Combination, its ratio be 55% and 45%.
（2）Grinding：The material prepared is subjected to grinding, particle crosses 250 mesh sieves after making grinding, tails over ＜ 2%；
（3）Step is pumped with filter press（2）Middle slurry moisture, after dehydration after secondary vacuum pugging, it is small to stand 40 ~ 46
Shi Jinhang is old；
（4）Slurry mist projection granulating, using extrusion process extrusion forming, base substrate is made, then by base substrate at 80 ~ 120 DEG C
Dry 29 ~ 32 hours；
（5）Molding blank is in 1350 ~ 1400 DEG C of sintering, insulation 7 hours, finished product.
The gypsum mill of preparation uses ceramic grinding body, the spherical gypsum mill abrasive body being prepared into, bulk density 3.86g/cm
3, hardness reaches 9 grades of Mohs' hardness, wears away as 0.02 ‰.
Using the gypsum mill ceramic grinding body of preparation, grinding is carried out to natural gesso, the grinding of the natural gypsum includes
The crushing of block gypsum, grinding machine filling rate are 38.6%, and higher than wherein, the power consumption using ceramic grinding body is whiteness after powder
23.2kwh/t, the power consumption using metal grinding body are 25.7 kwh/t, and after powder, the whiteness using ceramic grinding body is higher than
Use metal grinding body.
Claims (1)
1. a kind of preparation method of gypsum mill ceramic grinding body, it is characterised in that comprise the following steps：
（1）Dispensing：According to following substance weight percentage preparation raw material：Al2O3：73% ~ 75.9%, SiO2：5% ~ 8%, Cr2O3：
0.5% ~ 1.8%, TiO2：1% ~ 1.45%, MnO：1.51% ~ 1.75%, ZrO2：1.6% ~ 3.4%, BaO：1% ~ 3%, datolite：
4.6% ~ 7%, ZnO：2% ~ 2.8%, silica sols：0.3% ~ 1.1%, cosolvent 2% ~ 6%；Wherein described cosolvent is
AlF3、CaF2, albite, NH4Cl, MgO one or more of combinations；
（2）Grinding：The material prepared is subjected to grinding, particle crosses 250 mesh sieves after making grinding, tails over ＜ 2%；
（3）Step is pumped with filter press（2）Middle slurry moisture, after dehydration after secondary vacuum pugging, stand 40 ~ 46 hours and enter
Row is old；
（4）Slurry mist projection granulating, using extrusion process extrusion forming, base substrate is made, then dries base substrate at 80 ~ 120 DEG C
29 ~ 32 hours；
（5）Molding blank is in 1350 ~ 1400 DEG C of sintering, insulation 7 hours, finished product.
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| CN114289134B (en) * | 2021-12-31 | 2023-07-04 | 镇江吉邦材料科技有限公司 | Grinding process in desulfurization gypsum calcination line |
| CN117417183B (en) * | 2023-12-19 | 2024-03-08 | 淄博市淄川金龙磨料磨具有限公司 | Composite corundum material and preparation method and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1472164A (en) * | 2003-07-09 | 2004-02-04 | 山东硅苑新材料科技股份有限公司 | Low-temperature sintered complex phase abrasion resistant ceramic material |
| CN1918083A (en) * | 2004-02-10 | 2007-02-21 | 马格托国际股份有限公司 | Grinding balls and production method thereof |
| CN104649655A (en) * | 2015-02-14 | 2015-05-27 | 济南大学 | Preparation method of special low-density grinding ball for cement grinding mill |
| CN104649654A (en) * | 2015-02-14 | 2015-05-27 | 济南大学 | Preparation method of special low-density grinding column for cement grinding mill |
| CN104845584A (en) * | 2015-01-06 | 2015-08-19 | 朱晖 | Nonmetal grinding medium for cement grinding, and application thereof |
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2016
- 2016-01-19 CN CN201610032356.2A patent/CN105669168B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1472164A (en) * | 2003-07-09 | 2004-02-04 | 山东硅苑新材料科技股份有限公司 | Low-temperature sintered complex phase abrasion resistant ceramic material |
| CN1918083A (en) * | 2004-02-10 | 2007-02-21 | 马格托国际股份有限公司 | Grinding balls and production method thereof |
| CN104845584A (en) * | 2015-01-06 | 2015-08-19 | 朱晖 | Nonmetal grinding medium for cement grinding, and application thereof |
| CN104649655A (en) * | 2015-02-14 | 2015-05-27 | 济南大学 | Preparation method of special low-density grinding ball for cement grinding mill |
| CN104649654A (en) * | 2015-02-14 | 2015-05-27 | 济南大学 | Preparation method of special low-density grinding column for cement grinding mill |
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