CN115445748B - Ceramic slurry ball milling grinding aid and ball milling process - Google Patents
Ceramic slurry ball milling grinding aid and ball milling process Download PDFInfo
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- CN115445748B CN115445748B CN202211194146.5A CN202211194146A CN115445748B CN 115445748 B CN115445748 B CN 115445748B CN 202211194146 A CN202211194146 A CN 202211194146A CN 115445748 B CN115445748 B CN 115445748B
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- 238000000227 grinding Methods 0.000 title claims abstract description 99
- 238000000498 ball milling Methods 0.000 title claims abstract description 53
- 239000002002 slurry Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000000919 ceramic Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 229910001868 water Inorganic materials 0.000 claims abstract description 48
- 239000000654 additive Substances 0.000 claims abstract description 30
- 230000000996 additive effect Effects 0.000 claims abstract description 28
- FPQQSJJWHUJYPU-UHFFFAOYSA-N 3-(dimethylamino)propyliminomethylidene-ethylazanium;chloride Chemical compound Cl.CCN=C=NCCCN(C)C FPQQSJJWHUJYPU-UHFFFAOYSA-N 0.000 claims abstract description 21
- NMTZPYLSXWGDPW-UHFFFAOYSA-N 3-amino-n-(2-sulfanylethyl)propanamide Chemical compound NCCC(=O)NCCS NMTZPYLSXWGDPW-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 15
- 239000004094 surface-active agent Substances 0.000 claims abstract description 8
- 239000002562 thickening agent Substances 0.000 claims abstract description 8
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 36
- 239000000463 material Substances 0.000 claims description 30
- 239000004927 clay Substances 0.000 claims description 24
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 19
- DLHONNLASJQAHX-UHFFFAOYSA-N aluminum;potassium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Si+4].[Si+4].[Si+4].[K+] DLHONNLASJQAHX-UHFFFAOYSA-N 0.000 claims description 17
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 17
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 16
- 235000019353 potassium silicate Nutrition 0.000 claims description 13
- 239000005995 Aluminium silicate Substances 0.000 claims description 11
- 235000012211 aluminium silicate Nutrition 0.000 claims description 11
- -1 sericite Substances 0.000 claims description 9
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 claims description 6
- 239000004115 Sodium Silicate Substances 0.000 claims description 6
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 6
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 6
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 6
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 6
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 6
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 6
- 239000004354 Hydroxyethyl cellulose Substances 0.000 claims description 4
- 235000019447 hydroxyethyl cellulose Nutrition 0.000 claims description 4
- 229920000663 Hydroxyethyl cellulose Polymers 0.000 claims description 3
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 3
- 229940075507 glyceryl monostearate Drugs 0.000 claims description 3
- 239000001788 mono and diglycerides of fatty acids Substances 0.000 claims description 3
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 3
- RFRMMZAKBNXNHE-UHFFFAOYSA-N 6-[4,6-dihydroxy-5-(2-hydroxyethoxy)-2-(hydroxymethyl)oxan-3-yl]oxy-2-(hydroxymethyl)-5-(2-hydroxypropoxy)oxane-3,4-diol Chemical compound CC(O)COC1C(O)C(O)C(CO)OC1OC1C(O)C(OCCO)C(O)OC1CO RFRMMZAKBNXNHE-UHFFFAOYSA-N 0.000 claims description 2
- 229940083575 sodium dodecyl sulfate Drugs 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 7
- 238000012797 qualification Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 3
- 230000000052 comparative effect Effects 0.000 description 8
- 239000000047 product Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000011049 filling Methods 0.000 description 3
- 239000010419 fine particle Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000001238 wet grinding Methods 0.000 description 2
- LMDZBCPBFSXMTL-UHFFFAOYSA-N 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide Chemical compound CCN=C=NCCCN(C)C LMDZBCPBFSXMTL-UHFFFAOYSA-N 0.000 description 1
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 235000012222 talc Nutrition 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000011882 ultra-fine particle Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/06—Selection or use of additives to aid disintegrating
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/62605—Treating the starting powders individually or as mixtures
- C04B35/6261—Milling
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- 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
- C04B2235/3201—Alkali metal oxides or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- 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
- C04B2235/34—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
- C04B2235/3427—Silicates other than clay, e.g. water glass
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- 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
- C04B2235/34—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
- C04B2235/3427—Silicates other than clay, e.g. water glass
- C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
- C04B2235/3472—Alkali metal alumino-silicates other than clay, e.g. spodumene, alkali feldspars such as albite or orthoclase, micas such as muscovite, zeolites such as natrolite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- 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
- C04B2235/34—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
- C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Food Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention relates to the technical field of ceramic grinding aids, and provides a ceramic slurry ball milling grinding aid and a ball milling process. The ceramic slurry ball milling grinding aid comprises the following components in parts by weight: 25-35 parts of additive, 5-10 parts of surfactant, 10-15 parts of thickener and 55-65 parts of water, wherein the additive comprises 3-amino-N- (2-mercaptoethyl) propionamide and 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride; the preparation method of the ceramic slurry ball milling grinding aid is also provided, and comprises the following steps: s1, preparing raw materials according to the parts by weight; s2, mixing water with a thickener, and uniformly stirring; and S3, adding the additive and the surfactant, and stirring and mixing to obtain the grinding aid. Through the technical scheme, the problems of low grinding efficiency, high cost, high mud manufacturing energy consumption and low finished product qualification rate of the grinding aid in the prior art are solved.
Description
Technical Field
The invention relates to the technical field of ceramic grinding aids, in particular to a ceramic slurry ball milling grinding aid and a ball milling process.
Background
At present, raw ore materials are adopted for ball mill wet grinding to form slurry, the slurry grinding energy consumption cost accounts for 15% of the ceramic production energy consumption, a certain amount of grinding aids of various types are needed to be added in the ball milling slurry process for improving the fine grinding efficiency of raw materials, the conventional grinding aids mostly adopt sodium silicate, sodium carbonate and sodium tripolyphosphate, but the grinding aids are poor in grinding aid effect and poor in grinding aid efficiency, the grinding aid limitation is large, and meanwhile, the grinding aids are needed to be added with components in a larger proportion to achieve the optimal grinding aid effect of the grinding aids, so that the cost is increased. Therefore, there is an urgent need to develop a grinding aid having high grinding efficiency, low energy consumption and low cost.
In addition, the crushing of the raw materials is an indispensable procedure in the ceramic preparation process, and the crushing is an operation process with high energy consumption and low efficiency. Slurry raw materials, clay, flux (potassium feldspar and talcum), quartz stone hard material characteristics, various ceramic molding slurry raw materials, large material particle size difference and large texture hardness difference, how to ensure that clay small-diameter materials are not ground to be too small in particle size in the wet grinding process for several hours, how to ensure that the clay materials are quickly loosened to meet the slurry particle size distribution requirement standard, and how to promote the expansion of microcracks of the hard materials by suspending after a short time, wherein the hard materials practically have inherent microcracks, new microcracks are formed at any time in collision between the hard materials and grinding media in a ball mill and in friction with other materials, the microcracks are distributed irregularly, the average distance between the microcracks and the microcracks is 10-100 nm, and the fine grinding process of the solid is the process of microcrack formation and expansion. Therefore, reducing the formation and expansion of microcracks during the fine pulverization of solid objects and improving the yield of semi-finished products and finished products are technical problems to be solved urgently by those skilled in the art.
Disclosure of Invention
The invention provides a ceramic slurry ball milling grinding aid and a ball milling process, which solve the problems of low grinding aid efficiency, high cost, high slurry manufacturing energy consumption and low finished product qualification rate of grinding aids in the related technology.
The technical scheme of the invention is as follows:
the ceramic slurry ball milling grinding aid comprises the following components in parts by weight: 25-35 parts of additive, 5-10 parts of surfactant, 10-15 parts of thickener and 55-65 parts of water;
the additives include 3-amino-N- (2-mercaptoethyl) propionamide and 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride.
3-amino-N- (2-mercaptoethyl) propionamide CAS No.: 539-83-3,1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride CAS number: 7084-11-9.
As a further technical scheme, the mass ratio of the 3-amino-N- (2-mercaptoethyl) propionamide to the 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride is (4-6): 1.
As a further technical scheme, the surfactant comprises one or more of sodium dodecyl benzene sulfonate, sodium dodecyl sulfate and glyceryl monostearate.
As a further technical scheme, the thickener comprises one or more of hydroxypropyl methyl cellulose and hydroxyethyl cellulose.
The invention also provides a preparation method of the ceramic slurry ball milling grinding aid, which comprises the following steps:
s1, preparing raw materials according to the parts by weight;
s2, mixing water with a thickener, and uniformly stirring;
and S3, adding the additive and the surfactant, and stirring and mixing to obtain the grinding aid.
The ball milling process of ceramic slurry includes the following steps:
a1, preparing materials: 30-50 parts of potassium feldspar, 20-30 parts of sericite, 15-30 parts of water-washed kaolin, 10-20 parts of black mud, 10-20 parts of clay, 10-20 parts of metakaolin, 1-2 parts of sodium silicate, 0.1-0.5 part of calcined soda, 40-50 parts of water and 0.5-1.0 part of grinding aid;
a2, adding 1/2 of water, potassium feldspar, sericite, clay, water glass, sodium carbonate into the ball mill, and performing ball milling for the first time to obtain primary slurry;
and A3, throwing the primary slurry and the residual raw materials into a ball mill, and performing secondary ball milling to obtain secondary slurry.
As a further technical scheme, the water is hot water at 60-65 ℃.
As a further technical scheme, the primary ball milling time in A2 is 5h.
As a further technical scheme, the secondary ball milling time in the A3 is 30-60 min.
The working principle and the beneficial effects of the invention are as follows:
1. according to the invention, 3-amino-N- (2-mercaptoethyl) propionamide and 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride are mixed to be used as the additive in the grinding aid, so that the grinding aid efficiency of the grinding aid is improved. On one hand, the invention controls the mass ratio of 3-amino-N- (2-mercaptoethyl) propionamide and 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride to be in the range of (4-6): 1, the grinding efficiency improvement rate of the grinding aid is more than 75.8%, and the grinding efficiency of the grinding aid is optimal; on the other hand, 3-amino-N- (2-mercaptoethyl) propionamide and 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride are mixed for use, so that the synergistic effect is achieved, and the grinding aid efficiency of the grinding aid is remarkably improved. In addition, the grinding aid has the best grinding aid effect due to the small addition amount of the grinding aid, and the cost is further reduced.
2. The invention uses hot water with the temperature of 60-65 ℃ in the ball milling process, and has the following effects: (1) The hot water is contacted with the clay materials to enable the clay materials to be loosened rapidly; (2) Hot water and electrolyte sodium silicate are added, so that sodium carbonate is quickly dissolved in the materials and is uniformly mixed; (3) The hot water accelerates the infiltration of the materials, sodium silicate, sodium carbonate and water are dissolved and mixed in the materials to increase the flowability of the materials, and meanwhile, fine particle materials suspend on the upper layer of the water material mixture, so as to play a role in buffering the fine particle size materials in ball milling fine crushing, avoid the ultra-fine particle size of the clay materials and prevent the recombination and bonding of fine clay particles into blocks; (4) The hot water temperature improves the performance of the solid surface, reduces the energy loss of the solid surface and plays a role in grinding; (5) The hot water temperature in the early stage of grinding reduces the viscosity of the fine particle size material, eliminates the adhesion of the clay material to the surface of the grinding body, ensures that the material particles are uniformly distributed on the gap formed between the surface of the grinding body and the grinding body, is beneficial to the density accumulation of the grinding body, improves the filling rate between the grinding body and the material, and improves the grinding efficiency; (6) Compared with the filling of warm water, the filling of hot water shortens the grinding time of slurry and reduces the energy consumption cost of slurry manufacture; (7) The invention utilizes the hot water generated by the waste heat, increases the utilization rate of equipment, reduces the abrasion of the lining and the grinding body of the ball mill, and simultaneously solves the water heating cost; (8) The qualification rate of the finished product is improved, and the qualification rate of the finished product reaches 94.5 percent.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
S1, preparing a grinding aid: mixing 60 parts of water with 12 parts of hydroxypropyl methyl cellulose, uniformly stirring at 40 ℃, then adding 30 parts of additive and 5 parts of sodium dodecyl sulfate, and stirring and mixing to obtain a grinding aid, wherein the additive consists of 3-amino-N- (2-mercaptoethyl) propionamide and 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride in a mass ratio of 4:1;
s2, preparing materials: 30 parts of potassium feldspar, 20 parts of sericite, 15 parts of water-washed kaolin, 10 parts of black mud, 15 parts of clay, 10 parts of medium-Fu kaolin, 1 part of water glass, 0.1 part of sodium carbonate, 40 parts of 60 ℃ hot water and 0.5 part of grinding aid;
s3, adding 1/2 of hot water, potassium feldspar, sericite, clay, water glass, sodium carbonate into the ball mill, performing ball milling for 5 hours to obtain primary slurry;
s4, putting the primary slurry and the rest raw materials into a ball mill, and performing secondary ball milling for 30min to obtain secondary slurry.
Example 2
S1, preparing a grinding aid: mixing 55 parts of water with 10 parts of hydroxyethyl cellulose, uniformly stirring at 40 ℃, then adding 25 parts of additive and 8 parts of sodium dodecyl benzene sulfonate, and stirring and mixing to obtain a grinding aid, wherein the additive consists of 3-amino-N- (2-mercaptoethyl) propionamide and 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride in a mass ratio of 5:1;
s2, preparing materials: 40 parts of potassium feldspar, 25 parts of sericite, 20 parts of water-washed kaolin, 15 parts of black mud, 10 parts of clay, 15 parts of metakaolin, 1 part of sodium silicate, 0.3 part of calcined soda, 45 parts of 60 ℃ hot water and 0.8 part of grinding aid;
s3, adding 1/2 of hot water, potassium feldspar, sericite, clay, water glass, sodium carbonate into the ball mill, performing ball milling for 5 hours to obtain primary slurry;
s4, putting the primary slurry and the rest raw materials into a ball mill, and performing secondary ball milling for 30min to obtain secondary slurry.
Example 3
S1, preparing a grinding aid: mixing 65 parts of water with 15 parts of hydroxyethyl cellulose, uniformly stirring at 40 ℃, then adding 35 parts of additive and 10 parts of glyceryl monostearate, and stirring and mixing to obtain a grinding aid, wherein the additive consists of 3-amino-N- (2-mercaptoethyl) propionamide and 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride in a mass ratio of 6:1;
s2, preparing materials: 50 parts of potassium feldspar, 30 parts of sericite, 30 parts of water-washed kaolin, 20 parts of black mud, 20 parts of clay, 20 parts of metakaolin, 2 parts of water glass, 0.5 part of sodium carbonate, 50 parts of 65 ℃ hot water and 1 part of grinding aid;
s3, adding 1/2 of hot water, potassium feldspar, sericite, clay, water glass, sodium carbonate into the ball mill, performing ball milling for 5 hours to obtain primary slurry;
s4, putting the primary slurry and the rest raw materials into a ball mill, and performing secondary ball milling for 60min to obtain secondary slurry.
Example 4
S1, preparing a grinding aid: mixing 60 parts of water with 12 parts of hydroxypropyl methyl cellulose, uniformly stirring at 40 ℃, then adding 30 parts of additive and 5 parts of sodium dodecyl sulfate, and stirring and mixing to obtain a grinding aid, wherein the additive consists of 3-amino-N- (2-mercaptoethyl) propionamide and 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride in a mass ratio of 4:1;
s2, preparing materials: 30 parts of potassium feldspar, 20 parts of sericite, 15 parts of water-washed kaolin, 10 parts of black mud, 15 parts of clay, 10 parts of metakaolin, 1 part of water glass, 0.1 part of sodium carbonate, 40 parts of water and 0.5 part of grinding aid;
s3, adding 1/2 of water, potassium feldspar, sericite, clay, water glass, sodium carbonate into the ball mill, performing ball milling for 7 hours to obtain primary slurry;
s4, putting the primary slurry and the rest raw materials into a ball mill, and performing secondary ball milling for 30min to obtain secondary slurry.
Example 5
S1, preparing a grinding aid: mixing 60 parts of water with 12 parts of hydroxypropyl methyl cellulose, uniformly stirring at 40 ℃, then adding 30 parts of additive and 5 parts of sodium dodecyl sulfate, and stirring and mixing to obtain a grinding aid, wherein the additive consists of 3-amino-N- (2-mercaptoethyl) propionamide and 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride in a mass ratio of 3:1;
s2, preparing materials: 30 parts of potassium feldspar, 20 parts of sericite, 15 parts of water-washed kaolin, 10 parts of black mud, 15 parts of clay, 10 parts of medium-Fu kaolin, 1 part of water glass, 0.1 part of sodium carbonate, 40 parts of 60 ℃ hot water and 0.5 part of grinding aid;
s3, adding 1/2 of hot water, potassium feldspar, sericite, clay, water glass, sodium carbonate into the ball mill, performing ball milling for 5 hours to obtain primary slurry;
s4, putting the primary slurry and the rest raw materials into a ball mill, and performing secondary ball milling for 30min to obtain secondary slurry.
Example 6
S1, preparing a grinding aid: mixing 60 parts of water with 12 parts of hydroxypropyl methyl cellulose, uniformly stirring at 40 ℃, then adding 30 parts of additive and 5 parts of sodium dodecyl sulfate, and stirring and mixing to obtain a grinding aid, wherein the additive consists of 3-amino-N- (2-mercaptoethyl) propionamide and 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride in a mass ratio of 7:1;
s2, preparing materials: 30 parts of potassium feldspar, 20 parts of sericite, 15 parts of water-washed kaolin, 10 parts of black mud, 15 parts of clay, 10 parts of medium-Fu kaolin, 1 part of water glass, 0.1 part of sodium carbonate, 40 parts of 60 ℃ hot water and 0.5 part of grinding aid;
s3, adding 1/2 of hot water, potassium feldspar, sericite, clay, water glass, sodium carbonate into the ball mill, performing ball milling for 5 hours to obtain primary slurry;
s4, putting the primary slurry and the rest raw materials into a ball mill, and performing secondary ball milling for 30min to obtain secondary slurry.
Comparative example 1
The only difference from example 1 is that no additives were added.
Comparative example 2
The only difference from example 1 is that the additive in S1 is 3-amino-N- (2-mercaptoethyl) propionamide.
Comparative example 3
The only difference from example 1 is that the additive in S1 is 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride.
The secondary slurries obtained in examples 1 to 6 and comparative examples 1 to 3 were sieved with a 200 mesh sieve, the screen residue after drying was weighed, and the grinding efficiency improvement ratio of the grinding aid was tested:
grinding efficiency improvement (%) = (amount of screen without grinding aid added-amount of screen with grinding aid added)/amount of screen without grinding aid x 100, and test results are recorded in table 1.
Table 1 grinding aid performance test results
As is clear from Table 1, the grinding aid of examples 1 to 6 of the present invention has a grinding efficiency improvement of 74.9% or more, and is lower than that of example 1 because example 4 does not use hot water at 60 to 65℃in the ball milling process, and because the additive of example 5 is 3-amino-N- (2-mercaptoethyl) propionamide and 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride in a mass ratio of 3:1, and the additive of example 6 is 3-amino-N- (2-mercaptoethyl) propionamide and 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride in a mass ratio of 7:1, the grinding aid is most effective only when the mass ratio of 3-amino-N- (2-mercaptoethyl) propionamide and 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride in the additive is (4 to 6): 1.
The grinding efficiency improvement rate of the grinding aid obtained by the method of the comparative example 1 is greatly reduced compared with that of the grinding aid obtained by the method of the embodiment, wherein the additive of the comparative example 2 is 3-amino-N- (2-mercaptoethyl) propionamide, the additive of the comparative example 3 is 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride, and the grinding efficiency improvement rate of the grinding aid obtained by the method of the comparative example 1-3 is compared with that of the grinding aid obtained by the embodiment 1, after the grinding efficiency improvement rate of the grinding aid is compared, the 3-amino-N- (2-mercaptoethyl) propionamide and the 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride are mixed for use, so that the grinding aid has a synergistic effect and the grinding efficiency of the grinding aid is remarkably improved.
In order to explore the influence of hot water on the ball milling process, ball milling time tests are carried out on the slurry provided in the embodiment 1 and the embodiment 4 according to GB6952-2005, a full-package conjoined toilet bowl is produced and finished product qualification rate is checked, all indexes meet the requirements, and analysis results are recorded in Table 2.
TABLE 2 ball milling time and yield
| Example 1 | Example 4 | |
| Ball milling time/h | 5.5 | 7.5 |
| Yield/% | 94.5 | 90.1 |
As can be seen from Table 2, the ball milling process of example 1 of the present invention achieved a yield of 94.5%, and since example 4 uses hot water at a temperature other than 60-65℃during the ball milling process, the yield of the product was only 90.1%, and in addition, example 1 shortened the ball milling time by 2 hours by adding hot water as compared with example 4.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. The ceramic slurry ball milling grinding aid is characterized by comprising the following components in parts by weight: 25-35 parts of additive, 5-10 parts of surfactant, 10-15 parts of thickener and 55-65 parts of water;
the additive comprises 3-amino-N- (2-mercaptoethyl) propionamide and 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride;
the surfactant comprises one or more of sodium dodecyl benzene sulfonate, sodium dodecyl sulfate and glyceryl monostearate;
the thickener comprises one or more of hydroxypropyl methylcellulose and hydroxyethyl cellulose.
2. The ceramic slurry ball milling grinding aid according to claim 1, wherein the mass ratio of the 3-amino-N- (2-mercaptoethyl) propionamide to the 1- (3-dimethylaminopropyl) -3-ethylcarbodiimide hydrochloride is (4-6): 1.
3. The method for preparing the ceramic slurry ball milling grinding aid according to claim 1, which is characterized by comprising the following steps:
s1, preparing raw materials according to the parts by weight;
s2, mixing water with a thickener, and uniformly stirring;
and S3, adding the additive and the surfactant, and stirring and mixing to obtain the grinding aid.
4. The ball milling process of the ceramic slurry is characterized by comprising the following steps of:
a1, preparing materials: 30-50 parts of potassium feldspar, 20-30 parts of sericite, 15-30 parts of water-washed kaolin, 10-20 parts of black mud, 10-20 parts of clay, 10-20 parts of metakaolin, 1-2 parts of sodium silicate, 0.1-0.5 part of sodium carbonate, 40-50 parts of water and 0.5-1.0 part of grinding aid according to claim 1;
a2, adding 1/2 of water, potassium feldspar, sericite, clay, water glass and sodium carbonate into the ball mill, and performing ball milling once to obtain primary slurry;
and A3, throwing the primary slurry and the residual raw materials into a ball mill, and performing secondary ball milling to obtain secondary slurry.
5. The ball milling process of ceramic slurry according to claim 4, wherein the water is hot water at 60-65 ℃.
6. The ball milling process of ceramic slurry according to claim 4, wherein the one ball milling time in A2 is 5 hours.
7. The ball milling process of ceramic slurry according to claim 4, wherein the secondary ball milling time in A3 is 30-60 min.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106955767A (en) * | 2017-04-26 | 2017-07-18 | 揭阳恒成陶瓷科技有限公司 | One kind improves grinding efficiency technique |
| CN108787147A (en) * | 2018-09-21 | 2018-11-13 | 佛山齐安建筑科技有限公司 | A kind of preparation method of ceramic grind additives |
| CN110436943A (en) * | 2019-08-29 | 2019-11-12 | 董发勇 | A kind of high-efficiency ceramic grinding aid |
| CN112390644A (en) * | 2020-11-23 | 2021-02-23 | 中国振华集团云科电子有限公司 | Method for improving quality of MCT ceramic once ball-milling mixed material |
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| US11014858B2 (en) * | 2016-03-30 | 2021-05-25 | Gcp Applied Technologies Inc. | Mineral grinding |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106955767A (en) * | 2017-04-26 | 2017-07-18 | 揭阳恒成陶瓷科技有限公司 | One kind improves grinding efficiency technique |
| CN108787147A (en) * | 2018-09-21 | 2018-11-13 | 佛山齐安建筑科技有限公司 | A kind of preparation method of ceramic grind additives |
| CN110436943A (en) * | 2019-08-29 | 2019-11-12 | 董发勇 | A kind of high-efficiency ceramic grinding aid |
| CN112390644A (en) * | 2020-11-23 | 2021-02-23 | 中国振华集团云科电子有限公司 | Method for improving quality of MCT ceramic once ball-milling mixed material |
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