CN109608178A - A kind of lime stone blank and preparation method thereof - Google Patents
A kind of lime stone blank and preparation method thereof Download PDFInfo
- Publication number
- CN109608178A CN109608178A CN201811485821.3A CN201811485821A CN109608178A CN 109608178 A CN109608178 A CN 109608178A CN 201811485821 A CN201811485821 A CN 201811485821A CN 109608178 A CN109608178 A CN 109608178A
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- Prior art keywords
- sand
- lime stone
- blank
- raw material
- shi
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Classifications
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- 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
- C04B35/14—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 silica
-
- 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
- C04B2235/32—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
- C04B2235/3208—Calcium oxide or oxide-forming salts thereof, e.g. lime
-
- 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
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
-
- 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
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
- C04B2235/6567—Treatment time
Abstract
The invention discloses a kind of lime stone blanks and preparation method thereof, the chemical analysis of its raw material components is calculated by mass percentage, including following component: SiO2 60-75%, AL2O3 15-23%, Fe2O3 0.5-2%, TiO2 0.01-1.3%, CaO 5-9%, MgO 0.1-0.5%, K2O 0.6-4%, Na2O 0.02-0.5% and I.L 4-8%.The present invention is using lime stone and the blank for replacing wollastonite to prepare rich in calcium raw material, the blank structure is still fine and close, high mechanical strength, hygral expansion coefficient is small, and blank strength is big and die mould is high-quality, achievees the purpose that energy efficiency, meets the needs of ceramic tile market, avoid the acceleration of wollastonite resource deficient, reducing cost is that producer brings interests, is had a extensive future.
Description
Technical field
The present invention relates to the technical field of ceramic tile production more particularly to a kind of lime stone blanks and preparation method thereof.
Background technique
A large amount of wollastonite can be all added in the product that domestic tile blank is especially once burnt at present, silicon in some formulas
Lime stone dosage is even more surprising.Increase with ceramic industry to wollastonite demand, this non-renewable resources are faced with exhausted
It is dangerous.Wollastonite price highest in formula material, therefore developing not only can adding to avoid resource without wollastonite blank formulation
Fast deficient, can also reduce cost is that producer brings interests, is developed of far-reaching significance.
Summary of the invention
It is an object of the invention to aiming at the deficiencies in the prior art, provide a kind of lime stone blank and its preparation side
Method.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of lime stone blank, the chemical analysis of raw material components is calculated by mass percentage, including following component: SiO2 60-
75%、AL2O3 15-23%、Fe2O3 0.5-2%、TiO2 0.01-1.3%、CaO 5-9%、MgO 0.1-0.5%、K2O 0.6-4%
, Na2O 0.02-0.5% and I.L 4-8%.Such as table 8.
Further, the chemical analysis of raw material components is calculated by mass percentage, including following component: SiO2
68%, AL2O3 20%, Fe2O3 1%, TiO2 1.1%, CaO 0.1%, MgO 0.4%, K2O 3%, Na2O 0.4% and I.L 6%.
Further, raw material is calculated by mass percentage, including following component: Rong Shi sand 15-20%, the black mud in Huidong
3-10%, Guangxi sand 15-20%, flag soil 10-15%, the white mud 2-10% of pit sand 3-10%, Liang Shi, high alumina sand 5-10% and lime stone are rushed
Powder 5-15%.
Further, raw material is calculated by mass percentage, including following component: Rong Shi sand 19.6%, the black mud in Huidong
9.8%, Guangxi sand 19.6%, flag soil 14.7%, rush the white mud 9.8% of pit sand 9.8%, Liang Shi, high alumina sand 4.9% and agstone
9.8%。
A method of preparing lime stone blank, comprising the following steps:
A, raw material preparation；Rong Shi sand 15-20%, the black mud 3-10% in Huidong, Guangxi sand 15-20%, flag soil 10-15%, rush pit sand
The white mud 2-10% of 3-10%, Liang Shi, high alumina sand 5-10% and agstone 5-15% carry out mixing outfit, obtain resulting mixture A1；
B, ball milling；The mixture A1 and water are added in ball mill and carry out mixed grinding, meets slurry fineness, moisture and viscosity
Under conditions of, slurry B1 is formed,
C, mist projection granulating；Slurry B1 injection is in the spray drying tower dried it, is granulated, forms powder C1；
D, punch forming；Press machine is added in the powder C1 and carries out cloth, punch forming, the punch forming speed of the press machine
Degree is 5 times/min, and stamping pressure is 30000 bar, obtains ceramic tile blank D1；Then it is dried, excludes moisture, prevent from frying
It splits, guarantees the intensity of dry base substrate；
E, it calcines；The ceramic tile blank D1 is put into kiln and is calcined, the value range of firing temperature is 1200 DEG C, firing week
Phase is 30min, obtains lime stone blank.
The specific steps of laboratory formula are as follows:
Step 1: raw material: Rong Shi sand 15-20%, the black mud 3-10% in Huidong, Guangxi sand 15-20%, flag soil 10-15%, rushing pit sand 3-
10%, the white mud 2-10% of Liang Shi, high alumina sand 5-10% and agstone 5-15%.Upper, middle and lower, forward and backward different parts and not should be taken
Raw material with color respectively takes a small amount of mixing；
Step 2: first being uniformly mixed, the single raw material (surveying moisture content) of drying carries out ingredient according to formula rate.200g is dry
Material plus 8 min of water 100g ball or so, additive are added by formula.After ball is good, 80 meshes, drying are crossed；
Step 3:
It is pulverized after 3.1 drying materials, the mixing of 7% moisture content is added, then crosses 20 meshes；
The powder of the 3.2 weighing excessively good sieves of 25g ± 0.5g buys cake, makes a call to four；
After the drying of 3.3 sample cakes, dry weight is weighed, and measure size with vernier caliper, retain 2 significant digits number；
Weight before size, date, burning before 3.4 records are burnt, and mark firing temperature.
Step 4: three samples are burnt in examination, drench glaze after a biscuiting, are fired by glaze.Three samples will survey water absorption rate, contraction and burning
Vector, and measure its whiteness, the coefficient of expansion etc..Formula is qualified, requirement needed for capable of reaching production, so that it may lower ball pilot scale.
Table 1: pilot scale recipe calculation table
Step 5: blank pilot scale and parameter detecting
5.1 ball millings, powder processed
5.1.1 it converts: measuring the moisture content (it is required that sampling is accurate) of various raw materials in formula；Then formula is converted, is calculated
The dosage of water-containing material out；
5.1.2 blanking: finishing writing lower material list, and indicates technological parameter and technique requirement；
5.1.3 ball milling: blowing after fineness is qualified, it is desirable that for moisture control 33% or so, fineness 3.0g/100ml, flow velocity 35s are left
The right side, ball milling 8h, through spray tower powder.
5.2 compactings, firing
5.2.1 spray tower powder, it is aging to be sent after a few days to press feeding bin, compacting；It is the mm of 250 mm × 330 rule shown in table 2
Lattice adobe material pressing parameter table.
Table: the mm specification brick press pressure parameter of 2 250 mm × 330 (unit: kN)
5.2.2 after pressing unfired brick, dry firing；The moisture content of green body after drying should be less than 0.5%, be conducive to burn fastly, preheating zone
It can reach 500~550 DEG C into kiln temperature degree.
5.2.3 it is fired by glaze, pilot scale brick drenches glaze glaze firing.Glaze Wiring technology parameter is as shown in table 3.
Step 6: being detected after burning
The project that predominantly detects of general blank firing has: biscuit size, flatness, water absorption rate, flexural strength, thermal stability, swollen
Swollen coefficient, chemical composition and whiteness etc..(1) biscuiting size is as shown in table 4.Since temperature of glaze firing is more much lower than biscuiting temperature,
The main function of glaze firing is exactly gloss firing.Influence to product size is little.
(2) after biscuiting, glaze firing adobe straightness
After from Fig. 5,6 it can be seen that drenching glaze, burns and carry out the flatness of brick and can vary widely.Therefore we must adjust
The coefficient of expansion of good ground coat enamel and overglaze is to adapt to green body.Biscuit is not allow for reflex action in production.And burn the finished bricks come less
Allow reflex action phenomenon.The finished product of general rigid kiln discharge encircles very much, and waiting can slowly straighten after being cooled to room temperature.Therefore it should ensure that finished product encircles
A bit.Finished product is soaked (edging can be pressurized) through supercooling, edging, and the straightness of brick is by great changes will take place.Again, it should be noted that porcelain
The water absorption rate of piece green body generally has 10% or more, after edging is soaked, and green body can expand；Therefore it must dry, to avoid base
The green body later period is caused to rebound and crack after body water suction.Tile later period rebound at present has become a great problem of Ceramics Enterprises.
(3) other performance detection is as shown in table 7
Majority think should be using wollastonite to prevent delayed crazing and brick from rebounding, and secondary Beijing enamel piece green body is without wollastonite formula
It is feasible.Certainly, its dosage can also be reduced or replaced with the high raw material of other calcium contents, to reduce blank cost and saving
Wollastonite resource.Three water factories just replace wollastonite and lime stone with a kind of high calcium sand part.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment 1
Prepare lime stone blank, comprising the following steps:
A, raw material preparation；Rong Shi sand 15%, the black mud 3% in Huidong, Guangxi sand 15%, flag soil 10%, rush the white mud of pit sand 3%, Liang Shi
2%, high alumina sand 5% and agstone 5% carry out mixing outfit, obtain resulting mixture A1；
B, ball milling；The mixture A1 and water are added in ball mill and carry out mixed grinding, meets slurry fineness, moisture and viscosity
Under conditions of, slurry B1 is formed,
C, mist projection granulating；Slurry B1 injection is in the spray drying tower dried it, is granulated, forms powder C1；
D, punch forming；Press machine is added in the powder C1 and carries out cloth, punch forming, the punch forming speed of the press machine
Degree is 5 times/min, and stamping pressure is 30000 bar, obtains ceramic tile blank D1；Then it is dried, excludes moisture, prevent from frying
It splits, guarantees the intensity of dry base substrate；
E, it calcines；The ceramic tile blank D1 is put into kiln and is calcined, the value range of firing temperature is 1200 DEG C, firing week
Phase is 30min, obtains lime stone blank.
Embodiment 2
Prepare lime stone blank, comprising the following steps:
A, raw material preparation；Rong Shi sand 20%, the black mud 10% in Huidong, Guangxi sand 20%, flag soil 15%, rush the white mud of pit sand 10%, Liang Shi
10%, high alumina sand 10% and agstone 15% carry out mixing outfit, obtain resulting mixture A1；
B, ball milling；The mixture A1 and water are added in ball mill and carry out mixed grinding, meets slurry fineness, moisture and viscosity
Under conditions of, slurry B1 is formed,
C, mist projection granulating；Slurry B1 injection is in the spray drying tower dried it, is granulated, forms powder C1；
D, punch forming；Press machine is added in the powder C1 and carries out cloth, punch forming, the punch forming speed of the press machine
Degree is 5 times/min, and stamping pressure is 30000 bar, obtains ceramic tile blank D1；Then it is dried, excludes moisture, prevent from frying
It splits, guarantees the intensity of dry base substrate；
E, it calcines；The ceramic tile blank D1 is put into kiln and is calcined, the value range of firing temperature is 1200 DEG C, firing week
Phase is 30min, obtains lime stone blank.
Embodiment 3
Prepare lime stone blank, comprising the following steps:
A, raw material preparation；Rong Shi sand 19.6%, the black mud 9.8% in Huidong, Guangxi sand 19.6%, flag soil 14.7%, rush pit sand 9.8%,
The white mud 9.8% of Liang Shi, high alumina sand 4.9% and agstone 9.8% carry out mixing outfit, obtain resulting mixture A1；
B, ball milling；The mixture A1 and water are added in ball mill and carry out mixed grinding, meets slurry fineness, moisture and viscosity
Under conditions of, form slurry B1；
C, mist projection granulating；Slurry B1 injection is in the spray drying tower dried it, is granulated, forms powder C1；
D, punch forming；Press machine is added in the powder C1 and carries out cloth, punch forming, the punch forming speed of the press machine
Degree is 5 times/min, and stamping pressure is 30000 bar, obtains ceramic tile blank D1；Then it is dried, excludes moisture, prevent from frying
It splits, guarantees the intensity of dry base substrate；
E, it calcines；The ceramic tile blank D1 is put into kiln and is calcined, the value range of firing temperature is 1200 DEG C, firing week
Phase is 30min, obtains lime stone blank.
Thus, replacing wollastonite come the blank prepared using above-mentioned raw materials, the blank structure is still fine and close, mechanical strong
Degree is high, and hygral expansion coefficient is small, and blank strength is big and die mould is high-quality, achievees the purpose that energy efficiency, meets the need in ceramic tile market
It asks, developing not only can be deficient to avoid the acceleration of resource without silica blank formulation, and can also reduce cost is that producer brings interests, preceding
Scape is wide.
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field
Personnel can associate with other specific embodiments of the invention without creative labor, these modes are fallen within
Within protection scope of the present invention.
Claims (6)
1. a kind of lime stone blank, it is characterised in that: the chemical analysis of its raw material components is calculated by mass percentage, including following
Ingredient: SiO2 60-75%, AL2O3 15-23%, Fe2O3 0.5-2%, TiO2 0.01-1.3%, CaO 5-9%, MgO 0.1-
0.5%, K2O 0.6-4%, Na2O 0.02-0.5% and I.L 4-8%.
2. lime stone blank according to claim 1, it is characterised in that: the chemical analysis of its raw material components presses quality percentage
Than calculating, including following component: SiO2 68%, AL2O3 20%, Fe2O3 1%, TiO2 1.1%, CaO 7%, MgO 0.4%, K2O
3%, Na2O 0.4% and I.L 6%.
3. lime stone blank according to claim 1, it is characterised in that: its raw material is calculated by mass percentage, including such as
Lower component: Rong Shi sand 15-20%, the black mud 3-10% in Huidong, Guangxi sand 15-20%, flag soil 10-15%, pit sand 3-10%, Liang Shi are rushed
White mud 2-10%, high alumina sand 5-10% and agstone 5-15%.
4. lime stone blank according to claim 1, it is characterised in that: its raw material is calculated by mass percentage, including such as
Lower component: Rong Shi sand 19.6%, Guangxi sand 19.6%, flag soil 14.7%, rushes the white mud of pit sand 9.8%, Liang Shi at the black mud 9.8% in Huidong
9.8%, high alumina sand 4.9% and agstone 9.8%.
5. a kind of method for preparing lime stone blank, it is characterised in that: the following steps are included:
A, raw material preparation；Rong Shi sand 15-20%, the black mud 3-10% in Huidong, Guangxi sand 15-20%, flag soil 10-15%, rush pit sand
The white mud 2-10% of 3-10%, Liang Shi, high alumina sand 5-10% and agstone 5-15%.
6. carrying out mixing outfit, resulting mixture A1 is obtained；
B, ball milling；The mixture A1 and water are added in ball mill and carry out mixed grinding, meets slurry fineness, moisture and viscosity
Under conditions of, form slurry B1；
C, mist projection granulating；Slurry B1 injection is in the spray drying tower dried it, is granulated, forms powder C1；
D, punch forming；Press machine is added in the powder C1 and carries out cloth, punch forming, the punch forming speed of the press machine
Degree is 5 times/min, and stamping pressure is 30000 bar, obtains ceramic tile blank D1；Then it is dried, excludes moisture, prevent from frying
It splits, guarantees the intensity of dry base substrate；
E, it calcines；The ceramic tile blank D1 is put into kiln and is calcined, the value range of firing temperature is 1200 DEG C, firing week
Phase is 30min, obtains lime stone blank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811485821.3A CN109608178A (en) | 2018-12-06 | 2018-12-06 | A kind of lime stone blank and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811485821.3A CN109608178A (en) | 2018-12-06 | 2018-12-06 | A kind of lime stone blank and preparation method thereof |
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| CN109608178A true CN109608178A (en) | 2019-04-12 |
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ID=66007171
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| CN201811485821.3A Pending CN109608178A (en) | 2018-12-06 | 2018-12-06 | A kind of lime stone blank and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102617123A (en) * | 2012-02-29 | 2012-08-01 | 广东宏陶陶瓷有限公司 | Formula and method for manufacturing ceramic tile blank bodies and glazed tiles by utilizing polished waste residues |
| CN103864407A (en) * | 2014-03-04 | 2014-06-18 | 北京科技大学 | Pyroxene ceramic and preparation method thereof |
| CN108793953A (en) * | 2018-06-29 | 2018-11-13 | 河源市东源鹰牌陶瓷有限公司 | Low clay glazed tile green body of a kind of low temperature fast firing and preparation method thereof |
-
2018
- 2018-12-06 CN CN201811485821.3A patent/CN109608178A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102617123A (en) * | 2012-02-29 | 2012-08-01 | 广东宏陶陶瓷有限公司 | Formula and method for manufacturing ceramic tile blank bodies and glazed tiles by utilizing polished waste residues |
| CN103864407A (en) * | 2014-03-04 | 2014-06-18 | 北京科技大学 | Pyroxene ceramic and preparation method thereof |
| CN108793953A (en) * | 2018-06-29 | 2018-11-13 | 河源市东源鹰牌陶瓷有限公司 | Low clay glazed tile green body of a kind of low temperature fast firing and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 陈迪晴: "二次烧无硅灰石坯料配方试制", 《佛山陶瓷》 * |
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