CN106187135A - A kind of architectural pottery of high green wet cast molding and preparation method thereof - Google Patents
A kind of architectural pottery of high green wet cast molding and preparation method thereof Download PDFInfo
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- CN106187135A CN106187135A CN201610585296.7A CN201610585296A CN106187135A CN 106187135 A CN106187135 A CN 106187135A CN 201610585296 A CN201610585296 A CN 201610585296A CN 106187135 A CN106187135 A CN 106187135A
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- 238000000465 moulding Methods 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000010438 granite Substances 0.000 claims abstract description 60
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 49
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 49
- 239000011734 sodium Substances 0.000 claims abstract description 49
- 239000002002 slurry Substances 0.000 claims abstract description 47
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims abstract description 46
- 235000010413 sodium alginate Nutrition 0.000 claims abstract description 46
- 239000000661 sodium alginate Substances 0.000 claims abstract description 46
- 229940005550 sodium alginate Drugs 0.000 claims abstract description 46
- 229920000161 Locust bean gum Polymers 0.000 claims abstract description 45
- 235000010420 locust bean gum Nutrition 0.000 claims abstract description 45
- 239000000711 locust bean gum Substances 0.000 claims abstract description 45
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims abstract description 37
- 235000019982 sodium hexametaphosphate Nutrition 0.000 claims abstract description 37
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000000843 powder Substances 0.000 claims abstract description 29
- 239000002994 raw material Substances 0.000 claims abstract description 28
- 238000000498 ball milling Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 6
- 239000008187 granular material Substances 0.000 claims description 5
- 239000002253 acid Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000005266 casting Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 241001495449 Robinia pseudoacacia Species 0.000 claims 1
- 239000000919 ceramic Substances 0.000 abstract description 21
- 239000000463 material Substances 0.000 abstract description 9
- 239000004927 clay Substances 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000011449 brick Substances 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 16
- 239000000084 colloidal system Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- UEZVMMHDMIWARA-UHFFFAOYSA-N Metaphosphoric acid Chemical compound OP(=O)=O UEZVMMHDMIWARA-UHFFFAOYSA-N 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 241000219782 Sesbania Species 0.000 description 4
- 235000010418 carrageenan Nutrition 0.000 description 4
- 239000000679 carrageenan Substances 0.000 description 4
- 229920001525 carrageenan Polymers 0.000 description 4
- 229940113118 carrageenan Drugs 0.000 description 4
- 229910010293 ceramic material Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229920000591 gum Polymers 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000010453 quartz Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 229910052925 anhydrite Inorganic materials 0.000 description 2
- 235000015895 biscuits Nutrition 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
- 150000001875 compounds Chemical class 0.000 description 2
- 239000002270 dispersing agent Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- LUEWUZLMQUOBSB-FSKGGBMCSA-N (2s,3s,4s,5s,6r)-2-[(2r,3s,4r,5r,6s)-6-[(2r,3s,4r,5s,6s)-4,5-dihydroxy-2-(hydroxymethyl)-6-[(2r,4r,5s,6r)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-4,5-dihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol Chemical compound O[C@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1O[C@@H]1[C@@H](CO)O[C@@H](O[C@@H]2[C@H](O[C@@H](OC3[C@H](O[C@@H](O)[C@@H](O)[C@H]3O)CO)[C@@H](O)[C@H]2O)CO)[C@H](O)[C@H]1O LUEWUZLMQUOBSB-FSKGGBMCSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 244000247812 Amorphophallus rivieri Species 0.000 description 1
- 235000001206 Amorphophallus rivieri Nutrition 0.000 description 1
- 229920002581 Glucomannan Polymers 0.000 description 1
- 229920002907 Guar gum Polymers 0.000 description 1
- 229920002752 Konjac Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 210000000589 cicatrix Anatomy 0.000 description 1
- 229910052570 clay Inorganic materials 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- 239000003349 gelling agent Substances 0.000 description 1
- 229940046240 glucomannan Drugs 0.000 description 1
- 235000010417 guar gum Nutrition 0.000 description 1
- 239000000665 guar gum Substances 0.000 description 1
- 229960002154 guar gum Drugs 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 239000000252 konjac Substances 0.000 description 1
- 235000010485 konjac Nutrition 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001814 pectin Substances 0.000 description 1
- 235000010987 pectin Nutrition 0.000 description 1
- 229920001277 pectin Polymers 0.000 description 1
- 238000001935 peptisation Methods 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000013001 point bending Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- CCEKAJIANROZEO-UHFFFAOYSA-N sulfluramid Chemical group CCNS(=O)(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F CCEKAJIANROZEO-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 235000010493 xanthan gum Nutrition 0.000 description 1
- 239000000230 xanthan gum Substances 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 229940082509 xanthan gum Drugs 0.000 description 1
Classifications
-
- 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
- C04B35/01—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
- C04B35/16—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 silicates other than clay
- C04B35/18—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 silicates other than clay rich in aluminium oxide
-
- 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
-
- 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
- C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
- C04B2235/447—Phosphates or phosphites, e.g. orthophosphate or hypophosphite
-
- 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
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/61—Mechanical properties, e.g. fracture toughness, hardness, Young's modulus or strength
-
- 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
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to the architectural pottery of a kind of high green wet cast molding, the slurry used by described wet moulding is prepared by the raw materials in: granite powder: 50 70 parts, water: 30 50 parts, locust bean gum and sodium alginate: 0.5 part, sodium humate and sodium hexameta phosphate: 0.5 2 parts.The invention still further relates to the preparation method of above-mentioned pottery.The present invention uses full poor material granite to prepare architectural pottery, alleviate the worsening shortages problem of the traditional ceramics raw materials such as clay, price is lower compared with similar architectural pottery, can bring higher economic benefit, develops, for architectural ceramic industry, the alternative materials that reserves are huge, cheap and easy to get.The preparation method of the present invention can be used for preparing the architectural potteries such as vitrified tile, polished bricks, Antique Imitation Tiles.
Description
Technical field
The present invention relates to architectural pottery technical field, specifically, be building of a kind of high green wet cast molding
Build pottery and preparation method thereof.
Background technology
The architectural pottery of China's maximum in the world produces and outlet the first big country, according to statistics, and national architectural pottery in 2013
Total output is more than 9,000,000,000 square metres, by consumption of raw material 20～24kg/m2Calculate, need raw material 1.8～2.1 hundred million t；By power consumption
5kWh/m2Calculating, power consumption is 45,000,000,000 kWh, architectural pottery manufacturing enterprise be the most all high consume, high pollution type enterprise.Tradition is used
It is mainly clay, Anhydrite and quartz with production Ceramic Material.Ceramic clay applies to be used as the clay general name of Ceramic Material, main
To be made up of Kaolin.It is characterized in that typically there is high cohesive force, plasticity and good sintering character, the energy when 1360 DEG C
Burn till the base of white, sintering temperature and refractoriness interval big, without cicatrix and speckle after roasting, FeO, Fe in chemical composition2O3、
TiO2Little Deng objectionable impurities content.It is the main of manufacture various industrial technologies pottery, construction sanitary ceramic and domestic ceramics
Raw material.But the most exhausted in order to produce the tonerde of pottery at present, the area such as Foshan, Jing Dezhen clay has been exploited nearly
To the greatest extent, china industry the most upcountry shifts.Inland of China exists according to the exploitation rate of current clay, interior ground natural clay resource
Also will be produced after 30 years.
Granite is the igneous rock formed after high pressure slowly cooled and solidified in underground by the magma of volcano eruption[1].By
Have that hardness is high, wear-resistant in granite, be difficult to the characteristic that corroded by soda acid or weathering, be often processed to construction material.Again
Due to its beautiful appearance, numerous in variety, it is widely used in decorative engineering and the furnishings of building, such as monument, carving
Quarter, floor tile, granite furniture etc..As a rule being mainly of granite is made up of quartz, Anhydrite and a small amount of white mica, and one
As quartz content be about 20%～35%, feldspar content is 55%～70%.The granite resource that China is main is big
State and big producing country, according to " 96 Mineral Resources in Chinas report " incomplete statistics, Granites In China mineral resources total amount be about 230～
240 cubes of square meters, the reserves verified at present only account for the 4% of total resources.
Owing to granite belongs to non-plastic raw material, utilize granite wet moulding to prepare it is critical only that of architectural pottery and prepare admittedly
The ceramic size that phase content is high, viscosity is low, dispersive property good, stability is good, after wet moulding, ceramic green has simultaneously
Certain green strength (at least above 2MPa).Chinese patent 2014103679391 discloses one granite waste material wet method
Moulding by casting prepares the method for architectural pottery, and employing granite waste material is primary raw material, and water is disperse medium, additional carrageenan,
Sesbania gum, low-molecular polypropylene acid sodium are that additive is mixed to get slurry, then use wet cast moulding process to prepare building
Ceramic Tiles base substrate, fires at 1140-1180 DEG C after drying, repaired biscuit, obtains the building that rupture strength is 50-70MPa after cooling
Ceramic Tiles.This patent uses carrageenan, sesbania gum as gellant molding, and prepared green strength is the highest only has 1.9MPa,
And it is not involved with the mobile performance evaluation of ceramic size.It is known that use macromolecule glue molding due to meeting after peptization solution
Sharply increasing the viscosity of liquid phase, the usual viscosity slurry less than 1000mpa s can flow, the viscosity slurry less than 500mpa s
Material has preferable mobility.And the more difficult flowing of slurry that viscosity is more than 1000mpa s, it is difficult to for decocting pottery on a large scale
Production.
Summary of the invention
It is an object of the invention to for deficiency of the prior art, it is provided that building of a kind of high green wet cast molding
Build pottery.
Another purpose of the present invention is to provide the preparation method of architectural pottery described above.
For achieving the above object, the present invention adopts the technical scheme that:
The architectural pottery of a kind of high green wet cast molding, uses wet moulding, used by described wet moulding
Slurry is prepared by the raw materials in:
Granite powder: 50-70 part,
Water: 30-50 part,
Locust bean gum and sodium alginate: 0.5-2 part,
Sodium humate and sodium hexameta phosphate: 0.5-2 part.
Preferably, the slurry used by described wet moulding is prepared by the raw materials in:
Granite powder: 50-60 part,
Water: 40-50 part,
Locust bean gum and sodium alginate: 0.5-2 part,
Sodium humate and sodium hexameta phosphate: 0.5-2 part.
Preferably, the slurry used by described wet moulding is prepared by the raw materials in:
Granite powder: 55 parts,
Water: 45 parts,
Locust bean gum and sodium alginate: 1 part,
Sodium humate and sodium hexameta phosphate: 1 part.
Described wet moulding comprises the steps of:
(1) granite coarse granule is put into ball milling 8h in ball grinder according to the ratio of 1:2:1, by ball milling with water, ball milling
Good slurry is dried, and crosses 160-250 mesh sieve, obtains granite powder；
(2) locust bean gum is dissolved in water with sodium alginate, is configured to the solution that mass fraction is 1-5%, then puts
In magnetic stirrer, heat 40-60 DEG C of stirring, obtain pre-mixing liquor；
(3) by the granite powder prepared and water, sodium humate, sodium hexameta phosphate proportionally dispensing, at 40-60 DEG C
Being uniformly mixed, then the pre-mixing liquor with 2 preparations is mixed in proportion, and heated and stirred is then injected in mould half an hour；
(4) 60-80 DEG C of drying, the then demoulding after slurry cools down；
(5) green compact after the demoulding are burnt till at 1140-1180 DEG C, obtain finished product pottery.
Preferably, the mould used by described step 3 is metal die.
Preferably, described locust bean gum is 2:1 with the mass ratio of sodium alginate.
Preferably, described sodium humate is 1:1 with the mass ratio of sodium hexameta phosphate.
The green strength being dried after described slurry cast molding is more than 2.5MPa.
The slurry viscosity under the conditions of solid concentration is 40-60% of described slurry is 300-500mpa s.
For realizing above-mentioned second purpose, the present invention adopts the technical scheme that:
The preparation method of the architectural pottery of arbitrary described granite waste material wet moulding, comprises the steps:
(1) granite coarse granule is put into ball milling 8h in ball grinder according to the ratio of 1:2:1, by ball milling with water, ball milling
Good slurry is dried, and crosses 160-250 mesh sieve, obtains granite powder；
(2) locust bean gum is dissolved in water with sodium alginate, is configured to the solution that mass fraction is 1-5%, then puts
In magnetic stirrer, heat 40-60 DEG C of stirring, obtain pre-mixing liquor；
(3) by the granite powder prepared and water, sodium humate, sodium hexameta phosphate proportionally dispensing, at 40-60 DEG C
Being uniformly mixed, then the pre-mixing liquor with 2 preparations is mixed in proportion, and heated and stirred is then injected in mould half an hour；
(4) 60-80 DEG C of drying, the then demoulding after slurry cools down；
(5) green compact after the demoulding are burnt till at 1140-1180 DEG C, obtain finished product pottery.
The invention has the advantages that:
1, the technology of the present invention is possible not only to simplify pottery forming process, reduce preparation cost, and improves goods
Composition and structural homogenity.
2, the present invention uses full poor material granite to prepare architectural pottery, alleviates the traditional ceramics raw materials such as clay day by day
Shortage problem, price is lower compared with similar architectural pottery, can bring higher economic benefit, develop reserves for architectural ceramic industry
Alternative materials huge, cheap and easy to get.
3, wide material sources, low price, environmental protection are applied to becoming of architectural pottery with reproducible colloid by the present invention
In type, the wet-forming technique the most only preparing traditional ceramics material has started new approach, and it is raw to avoid architectural pottery
The use of the high-energy equipment such as great tonnage press, spray tower during product, simplifies architectural pottery production process, by ecological environment
This emerging cross discipline of material introduces a new trial prepared by traditional ceramics.
4, the present invention prepares ceramic green intensity and is more than 2.5MPa, and the viscosity of slurry is less than 500mpa s simultaneously.
5, the ceramic structure that prepared by the present invention is tight, porosity is little, High anti bending strength after sintering.
Accompanying drawing explanation
The accompanying drawing 1 green compact photo prepared by different types of colloid.
Accompanying drawing 2 is the finished product pottery SEM photograph of embodiment 1 preparation.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is expanded on further.Should be understood that these embodiments are merely to illustrate this
Bright rather than limit the scope of the present invention.In addition, it is to be understood that after having read the content that the present invention records, art technology
The present invention can be made various changes or modifications by personnel, and these equivalent form of values fall within the application appended claims equally and limited
Fixed scope.
Embodiment 1 present invention utilizes the raw material () of granite waste material wet moulding
Granite powder: 55 parts, water: 45 parts, locust bean gum and sodium alginate: 1 part, sodium humate and sodium hexameta phosphate: 1
Part.Described locust bean gum is 2:1 with the mass ratio of sodium alginate.Described sodium humate is 1:1 with the mass ratio of sodium hexameta phosphate.
Embodiment 2 present invention utilizes the raw material (two) of granite waste material wet moulding
Granite powder: 50 parts, water: 50 parts, locust bean gum and sodium alginate: 0.5 part, sodium humate and hexa metaphosphoric acid
Sodium: 2 parts.Described locust bean gum is 2:1 with the mass ratio of sodium alginate.Described sodium humate with the mass ratio of sodium hexameta phosphate is
1:1。
Embodiment 3 present invention utilizes the raw material (three) of granite waste material wet moulding
Granite powder: 70 parts, water: 30 parts, locust bean gum and sodium alginate: 2 parts, sodium humate and sodium hexameta phosphate:
0.5 part.Described locust bean gum is 2:1 with the mass ratio of sodium alginate.Described sodium humate with the mass ratio of sodium hexameta phosphate is
1:1。
Embodiment 4 present invention utilizes the raw material (four) of granite waste material wet moulding
Granite powder: 50 parts, water: 30 parts, locust bean gum and sodium alginate: 0.5 part, sodium humate and hexa metaphosphoric acid
Sodium: 0.5 part.Described locust bean gum is 2:1 with the mass ratio of sodium alginate.Described sodium humate and the mass ratio of sodium hexameta phosphate
For 1:1.
Embodiment 5 present invention utilizes the raw material (five) of granite waste material wet moulding
Granite powder: 55 parts, water: 45 parts, locust bean gum and sodium alginate: 0.5 part, sodium humate and hexa metaphosphoric acid
Sodium: 1 part.Described locust bean gum is 2:1 with the mass ratio of sodium alginate.Described sodium humate with the mass ratio of sodium hexameta phosphate is
1:1。
Embodiment 6 present invention utilizes the raw material (six) of granite waste material wet moulding
Granite powder: 70 parts, water: 50 parts, locust bean gum and sodium alginate: 0.5 part, sodium humate and hexa metaphosphoric acid
Sodium: 0.5 part.Described locust bean gum is 2:1 with the mass ratio of sodium alginate.Described sodium humate and the mass ratio of sodium hexameta phosphate
For 1:1.
Embodiment 7 present invention utilizes the raw material (seven) of granite waste material wet moulding
Granite powder: 70 parts, water: 50 parts, locust bean gum and sodium alginate: 2 parts, sodium humate and sodium hexameta phosphate:
0.5 part.Described locust bean gum is 2:1 with the mass ratio of sodium alginate.Described sodium humate with the mass ratio of sodium hexameta phosphate is
1:1。
Embodiment 8 present invention utilizes the raw material (eight) of granite waste material wet moulding
Granite powder: 70 parts, water: 50 parts, locust bean gum and sodium alginate: 2 parts, sodium humate and sodium hexameta phosphate: 2
Part.Described locust bean gum is 2:1 with the mass ratio of sodium alginate.Described sodium humate is 1:1 with the mass ratio of sodium hexameta phosphate.
Embodiment 9 present invention utilizes the raw material (nine) of granite waste material wet moulding
Granite powder: 55 parts, water: 45 parts, locust bean gum and sodium alginate: 2 parts, sodium humate and sodium hexameta phosphate: 1
Part.Described locust bean gum is 2:1 with the mass ratio of sodium alginate.Described sodium humate is 1:1 with the mass ratio of sodium hexameta phosphate.
Embodiment 10 present invention utilizes the raw material (ten) of granite waste material wet moulding
Granite powder: 60 parts, water: 40 parts, locust bean gum and sodium alginate: 0.5 part, sodium humate and hexa metaphosphoric acid
Sodium: 0.5 part.Described locust bean gum is 2:1 with the mass ratio of sodium alginate.Described sodium humate and the mass ratio of sodium hexameta phosphate
For 1:1.
Embodiment 11 present invention utilizes the raw material (11) of granite waste material wet moulding
Granite powder: 60 parts, water: 50 parts, locust bean gum and sodium alginate: 1 part, sodium humate and sodium hexameta phosphate: 2
Part.Described locust bean gum is 2:1 with the mass ratio of sodium alginate.Described sodium humate is 1:1 with the mass ratio of sodium hexameta phosphate.
Embodiment 12 present invention utilizes the raw material (12) of granite waste material wet moulding
Granite powder: 52 parts, water: 45 parts, locust bean gum and sodium alginate: 1 part, sodium humate and sodium hexameta phosphate: 2
Part.Described locust bean gum is 2:1 with the mass ratio of sodium alginate.Described sodium humate is 1:1 with the mass ratio of sodium hexameta phosphate.
Embodiment 13 present invention utilizes the preparation of granite waste material wet moulding architectural pottery
Architectural pottery is prepared by the wet cast molding in following manner of the raw material prepared by embodiment 1-12:
(1) granite coarse granule is put into ball milling 8h in ball grinder according to the ratio of 1:2:1, by ball milling with water, ball milling
Good slurry is dried, and crosses 160-250 mesh sieve, obtains granite powder；
(2) locust bean gum is dissolved in water with sodium alginate, is configured to the solution that mass fraction is 1-5%, then puts
In magnetic stirrer, heat 40-60 DEG C of stirring, obtain pre-mixing liquor；
(3) by the granite powder prepared and water, sodium humate, sodium hexameta phosphate proportionally dispensing, at 40-60 DEG C
Being uniformly mixed, then the pre-mixing liquor with 2 preparations is mixed in proportion, and heated and stirred is then injected in metal die half an hour；
(4) 60-80 DEG C of drying, the then demoulding after slurry cools down；
(5) green compact after the demoulding are burnt till at 1140-1180 DEG C, obtain finished product pottery.
Embodiment 14 performance test
One, the mensuration of rupture strength
The ceramic material rupture strength limit refer to by under External Force Acting to destroy time maximum stress.Rupture strength is pottery
One of important mechanical property of ceramic material, have the biscuit of ceramics of some strength can not only be prevented effectively from during Production of Ceramics because of
Crush for moving, and the ceramic of high intensity can improve its use time.Rupture strength controls at DWD-10 type microcomputer
Carrying out on electronic universal experiment instrument, use the rupture strength of three-point bending resistance song method test material, specimen size is 10 × 10 ×
60mm, span 20mm, loading speed is 0.5mm/min.Take 3 groups of sample detection every time, average, computing formula: R=3PL/
(2bh2)。
R rupture strength (MPa) in formula；
The load (N) born during the fracture of P sample；
Distance (mm) between L span, i.e. fulcrum；
B specimen width (mm)；
The section thickness (mm) of h sample.
Two, the test of slurry viscosity
Slurry viscosity uses the SNB-2 type Digital Viscometer of Shanghai Nirun Intelligent Technology Co., Ltd. to measure, and surveys
Amount temperature is water-bath 50 DEG C.
The component of embodiment 1-13 is carried out performance test, and test result is as shown in the table
| Group | Slurry viscosity (mpa s) | Green compact rupture strength (MPa) | Rupture strength (MPa) after sintering |
| Embodiment 1 | 357.5 | 3.45 | 88 |
| Embodiment 2 | 342.6 | 3.15 | 72 |
| Embodiment 3 | 493.6 | 3.22 | 73 |
| Embodiment 4 | 485.7 | 3.35 | 71 |
| Embodiment 5 | 480.2 | 3.04 | 69 |
| Embodiment 6 | 378.1 | 2.81 | 70 |
| Embodiment 7 | 360.6 | 2.93 | 73 |
| Embodiment 8 | 380.7 | 3.47 | 75 |
| Embodiment 9 | 453.3 | 3.34 | 74 |
Result from table it can be seen that slurry viscosity prepared by raw material of the present invention is all at below 500mpa s, this explanation
Slurry has good mobility.Meanwhile, the green strength being dried after slurry cast molding is all at more than 2.5MPa, and this explanation makes
Pour the green compact prepared by molding by wet method and there is higher intensity, the needs that high-volume industrial ceramics produces can be met.Sintering
The rupture strength of rear finished product pottery, between 69-88MPa, meets the rupture strength requirement of finished product pottery.
Comparative example
The prescription of embodiment 1-13 is that inventor is screened by great many of experiments, for the ease of contrast, and will be wherein to viscosity
And rupture strength affects bigger factor and is listed below:
One, different types of colloid impact on green compact
Screening colloid as follows: sodium alginate, carrageenan, locust bean gum, xanthan gum, sesbania gum, guar gum, pectin,
Konjac glucomannan, Semen Lini glue.
According to the component proportion of following table, wet cast molding is utilized to prepare bar shaped green compact sample.
Note :-representing that rupture strength is too low, machine cannot read data.
After molding, green compact photo is as shown in Figure 1, it can be seen that only comparative example 1,2,7,8 just can mold more completely
Part, and the base substrate of comparison example 3,4,5,6 molding has bigger defect.Simultaneously it will be seen that life prepared by all comparative examples
Base is the most too low, the highest only 0.73MPa, it is clear that be used alone a kind of colloid and cannot meet the production requirement of green strength.
Two, the different two kinds of colloid proportionings impact on green compact
Use different colloid two-by-two according to the weight of 1:1, owing to experimental data is more, the most only list green compact
The intensity proportioning data more than 1.0.Component and result are as shown in the table.
Result from table is it can be seen that select carrageenan, sesbania gum, locust bean gum, sodium alginate proportioning two-by-two to show
Write and increase green strength, and it is best to select locust bean gum and sodium alginate proportioning two-by-two that green strength is increased effect.
Three, the different rubber proportional impacts on green compact
Select locust bean gum to compound with sodium alginate, test the different ratio impact on green strength
Result from table is it can be seen that select locust bean gum to compound with sodium alginate, when locust bean gum and sodium alginate
When mass ratio is 2:1, prepared ceramic green intensity is the highest.
Four, the different dispersant impacts on slurry
Being 53% in solid phase amount respectively, locust bean gum adds in the slurry that sodium alginate (2:1) addition is 1.4% respectively
Enter sodium humate, sodium citrate, sodium carbonate, sodium hexameta phosphate, low-molecular polypropylene acid sodium, observe the mobility of slurry respectively such as
Shown in following table:
Note: when slurry viscosity is more than 1000mpa s, and expression cannot be flowed；When slurry viscosity is between 500-1000mpa s
Time, represent poor mobile performance；When slurry viscosity is less than 500mpa s, represent good flowing properties.
When result from table is it will be seen that be used alone a kind of dispersant, slurry fluidity is poor.
Five, the compounding impact on slurry of sodium humate and sodium hexameta phosphate is selected
Be 53% in solid phase amount respectively, locust bean gum and sodium alginate (2:1) addition be 1.4% slurry in additional not
Sodium humate in proportion and sodium hexameta phosphate (outer dosage is 1%).
Note: when slurry viscosity is more than 1000mpa s, and expression cannot be flowed；When slurry viscosity is between 500-1000mpa s
Time, represent poor mobile performance；When slurry viscosity is less than 500mpa s, represent good flowing properties.
Result from table it will be seen that when sodium humate and sodium hexameta phosphate mass ratio are 1:1, the mobility of slurry
Can be best.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
Member, on the premise of without departing from the inventive method, it is also possible to makes some improvement and supplements, and these improve and supplement and also should be regarded as
Protection scope of the present invention.
Claims (10)
1. the architectural pottery of a high green wet cast molding, it is characterised in that use wet moulding, described wet method becomes
Slurry used by type is prepared by the raw materials in:
Granite powder: 50-70 part,
Water: 30-50 part,
Locust bean gum and sodium alginate: 0.5 part,
Sodium humate and sodium hexameta phosphate: 0.5-2 part.
The architectural pottery of high green wet cast molding the most according to claim 1, it is characterised in that described wet method
Slurry used by molding is prepared by the raw materials in:
Granite powder: 50-60 part,
Water: 40-50 part,
Locust bean gum and sodium alginate: 0.5 part,
Sodium humate and sodium hexameta phosphate: 0.5-2 part.
The architectural pottery of high green wet cast molding the most according to claim 1, it is characterised in that described wet method
Slurry used by molding is prepared by the raw materials in:
Granite powder: 55 parts,
Water: 45 parts,
Locust bean gum and sodium alginate: 0.5 part,
Sodium humate and sodium hexameta phosphate: 1 part.
The architectural pottery of high green wet cast molding the most according to claim 1, it is characterised in that described wet method
Molding comprises the steps of:
(1) granite coarse granule is put into ball milling 8h in ball grinder with water, ball milling according to the ratio of 1:2:1, ball milling is good
Slurry is dried, and crosses 160-250 mesh sieve, obtains granite powder；
(2) locust bean gum is dissolved in water with sodium alginate, is configured to the solution that mass fraction is 1-5%, is then placed on magnetic
Power blender heats 40-60 DEG C of stirring, obtains pre-mixing liquor；
(3) by the granite powder prepared and water, sodium humate, sodium hexameta phosphate proportionally dispensing, 40-60 DEG C of stirring
Mix homogeneously, then the pre-mixing liquor with 2 preparations is mixed in proportion, and heated and stirred is then injected in mould half an hour；
(4) 60-80 DEG C of drying, the then demoulding after slurry cools down；
(5) green compact after the demoulding are burnt till at 1140-1180 DEG C, obtain finished product pottery.
The architectural pottery of high green wet cast molding the most according to claim 4, it is characterised in that described step
Mould used by 3 is metal die.
The architectural pottery of high green wet cast molding the most according to claim 1, it is characterised in that described Robinia pseudoacacia L.
Locust beam gum is 2:1 with the mass ratio of sodium alginate.
The architectural pottery of high green wet cast molding the most according to claim 1, it is characterised in that described corruption is planted
Acid sodium is 1:1 with the mass ratio of sodium hexameta phosphate.
The architectural pottery of high green wet cast molding the most according to claim 1, it is characterised in that described slurry
The green strength being dried after moulding by casting is more than 2.5MPa.
The architectural pottery of high green wet cast molding the most according to claim 1, it is characterised in that described slurry
Slurry viscosity under the conditions of solid concentration is 40-60% be 300-500mpa s.
10. the preparation method of the architectural pottery of the arbitrary described high green wet cast molding of claim 1-10, it is special
Levy and be, comprise the steps:
(1) granite coarse granule is put into ball milling 8h in ball grinder with water, ball milling according to the ratio of 1:2:1, ball milling is good
Slurry is dried, and crosses 160-250 mesh sieve, obtains granite powder；
(2) locust bean gum is dissolved in water with sodium alginate, is configured to the solution that mass fraction is 1-5%, is then placed on magnetic
Power blender heats 40-60 DEG C of stirring, obtains pre-mixing liquor；
(3) by the granite powder prepared and water, sodium humate, sodium hexameta phosphate proportionally dispensing, 40-60 DEG C of stirring
Mix homogeneously, then the pre-mixing liquor with 2 preparations is mixed in proportion, and heated and stirred is then injected in mould half an hour；
(4) 60-80 DEG C of drying, the then demoulding after slurry cools down；
(5) green compact after the demoulding are burnt till at 1140-1180 DEG C, obtain finished product pottery.
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