CN106396649B - A kind of high quartz-ceramics and preparation method thereof - Google Patents
A kind of high quartz-ceramics and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of high quartz-ceramics and preparation method thereof.The high quartz-ceramics, including blank, the blank include the component of following mass fraction: SiO272-77 parts, Al2O313-19 parts, 1-3 parts of MgO.It further include glaze, the glaze includes the component of following mass fraction: SiO255-60 parts, Al2O310-15 parts, 1.5-2.0 parts of MgO, 10-15 parts of CaO, K21-1.5 parts of O, Na24.5-5 parts of O.Using above-mentioned blank and the high quartz-ceramics of glaze once-firing, which is not in fried porcelain phenomenon in sintering process, while high quartz-ceramics being made to have excellent mechanical performance and thermal stability.
Description
Technical field
The invention belongs to ceramic fields, and in particular to and a kind of high quartz-ceramics and preparation method thereof are in particular to a kind of high
Quartziferous porcelain and preparation method thereof.
Background technique
High quartz-ceramics are the high-grade fine porcelain using quartz as primary raw material, and high mechanical strength, transparency are good, porcelain is thin
It is greasy, glaze paint is smooth, color is soft, thermal stability is good, therefore receive widely pay close attention to and study, wherein more representational
It is high quartziferous porcelain, is to be succeeded in developing by Shandong silicate Development and design institute in nineteen eighty-three at first, because it is with above-mentioned excellent
Performance, therefore it is known as " the state's porcelain " of China in the world.
Currently, needing strict control base in its preparation process to obtain the above-mentioned high quartz-ceramics with excellent performance
Expect the degree with quartz particles in glaze formula, a degree must be used for 10 μm~30 μm of middle particulate quartz, glaze is using frit
Glaze, while using high temperature biscuiting, the twice firing production technology of middle low temperature sinter.Such as 104591707 A of Chinese patent literature CN
Disclose a kind of high quartzy domestic ceramics and preparation method thereof.The quartz domestic ceramics of height disclosed in the technology is former by following parts by weight
Material composition: quartzy 45 parts -55 parts, 10 parts -15 parts of feldspar powder, 35 parts -40 parts of kaolin, 2 parts -5 parts of talcum powder, 5 parts of bentonite -
7 parts, 0.3 part -0.6 part of sodium humate.Accordingly the preparation method is as follows: 1) choosing raw material；2) ingredient；3) it removes iron and suppresses mud
Item；4) it forms, obtains idiosome；5) biscuiting carries out idiosome to repair embryo and be put into the baking furnace that temperature is 100 DEG C, successively one
It is sintered under series sinter temperature and time, obtains high quartz-ceramics element embryo；6) decoration firing, by high quartz-ceramics element embryo through throwing
Light, glaze spraying after selecting ceramic whiteware to add coloured silk, fire 3h-14h at 800 DEG C -1150 DEG C, obtain high quartzy domestic ceramics.Pass through above-mentioned skill
The quartz domestic ceramics mechanical strength of height made from art is good, hardness of glaze surface is high, thermal stability is good, and has good whiteness and transparent
Degree.In order to make it have above-mentioned performance, above-mentioned technology uses the twice firing production technology of high temperature biscuiting and medium temperature glaze firing, into
And lead to the complexity of production technology, energy consumption is high, increases production cost.
In order to reduce the cost of twice firing production technology, researcher attempts through once-firing, such as Chinese patent literature
CN 1275547A discloses low temperature rapid sintering process of domestic fine pottery.The low temperature fast firing technique uses once-firing, i.e., after shaping
Daily-use fine is directly fired on idiosome after glazing, the quartz content in the blank of above-mentioned technical treatment is in 62-65wt%, still
When preparing the quartz content in blank and being up to the high quartz-ceramics of 70wt% or more, because of its quartz content height, burnt according to primary
At porcelain phenomenon is fried in easily appearance, it is difficult to guarantee ceramic performance.Therefore, how single firing process to be used to prepare high quartz-ceramics, and
It is not in the problem of fried porcelain phenomenon is this field urgent need to resolve in preparation process.
Summary of the invention
For this purpose, to be solved by this invention prepared high quartz-ceramics and easily fried using single firing process in the prior art
Porcelain, it is difficult to guarantee the mechanical performance of ceramics and the defect of thermal stability, and then provide a kind of high quartz-ceramics and its preparation side
Method.
A kind of high quartz-ceramics provided by the present invention, including blank, the blank include the component of following mass fraction:
SiO272-77 parts
Al2O313-19 parts
1-3 parts of MgO.
Further, the blank includes the component of following mass fraction:
SiO273-75 parts
Al2O314-16 parts
2-2.5 parts of MgO.
Further, further include glaze, the glaze includes the component of following mass fraction:
Further, the glaze includes the component of following mass fraction:
Further, the glaze also comprises the following components:
Fe2O30.05-0.1 parts
TiO20.001-0.003 parts.
The present invention also provides the preparation methods of above-mentioned high quartz-ceramics, include the following steps:
1) blank and glaze are prepared: being ground by each component content selection raw material in the blank, the first grinding is made
Material, then first abrasive is sieved, except iron, press filt, pugging, it is aging after, the blank is made, it is spare；By the glaze
Each component content selection raw material is ground in material, and the second abrasive is made, then second abrasive is sieved, except iron
Afterwards, the glaze is made, it is spare；
2) forming processes are carried out to the blank, idiosome is made；Using the glaze to the idiosome glazing, glaze is made
Base；
3) firing processing is carried out to the glazed body, the high quartz-ceramics is made.
Further, in step 1), first abrasive is the minus mesh for 325 mesh screen residue 0.5~1% of grinding rate；
Second abrasive is the minus mesh for 325 mesh screen residue 0.1~0.2% of grinding rate.
Further, in step 3), the temperature of the firing processing step is 1290-1310 DEG C.
Further, in step 3), the temperature of the firing processing step is 1290-1310 DEG C, time 10h-12h.
Further, in step 3), the firing processing step is carried out in tunnel oven or roller kilns.
Further, in step 3), the firing processing step is burnt into using natural gas oxidizing flame.
Further, in step 2), before glazing takes place, further include the steps that the idiosome is dried and repaired biscuit.
Further, in step 1), the raw material is selected from fine purifiation kaolin, raw ore kaolin, quartz, talcum and humic acid
At least one of sodium, wherein SiO in the fine purifiation kaolin2Mass content is in 48-52%, Al2O3Mass content is in 30-
35%, K2O mass content is in 3.5-4.0%, Na2O mass content is in 0.45-0.5%, MgO mass content in 0.20-0.25%；
SiO in the raw ore kaolin2Mass content is in 65-70%, Al2O3Mass content is in 20-25%, K2O mass contains
Amount is in 0.5-0.7%, Na2O mass content is in 0.5-1%, MgO mass content in 0.1-0.15%；
SiO in the quartz2Mass content is not less than 98%；
SiO in the talcum2Mass content is in 62-67%, CaO mass content in 3-3.5%, K2O mass content exists
0.15-0.2%, MgO mass content are in 30-35%；
In step 2), before glazing takes place, further include the steps that the idiosome is dried and repaired biscuit.
In the present invention it should be noted is that: the high quartz-ceramics refer to SiO in blank2Content is in 70wt% or more
Ceramics.
Compared with prior art, the invention has the following beneficial effects:
1) high quartz-ceramics provided by the embodiment of the present invention make SiO by limiting each component and its content in blank2
Skeleton, Al are formed in blank2O3Increase the refractoriness and sintering range of blank, the fluxing blank of MgO, and then reduces the burning of blank
Junction temperature, the final thermal stability and mechanical strength for improving blank；Furthermore by limiting each component and its content in glaze, make
SiO2Body is generated as the glass of network-like skeleton structure in glaze, improves the viscosity of glaze, and Al2O3、MgO、K2O is then
Become intermediate oxide into above-mentioned network-like skeleton structure, improves the hardness and mechanical strength of glaze, NaO, CaO
Then fluxing glaze reduces sintering temperature by the cooperation of each component in glaze and its content and finally enhances the thermostabilization of glaze
Property and mechanical strength.
Using the high quartz-ceramics of once-firing by above-mentioned blank and glaze is not in fried porcelain phenomenon, while making Gao Shi
English ceramics have excellent mechanical performance and thermal stability.
2) preparation method of high quartz-ceramics provided by the embodiment of the present invention passes through each component in allotment blank and glaze
Content, and high quartz-ceramics are made using natural gas oxidizing flame once-firing in tunnel oven or roller kilns, keeping high quartz
Ceramics, in the case that spy is for being high quartziferous porcelain self character, making high quartz-ceramics is not in fried porcelain phenomenon, while being allowed to raw
Production process and ordinary porcelain production are consistent, simplify production technology, reduce production cost, energy saving, improve the competing of product
Strive power, can large-scale production.
3) preparation method of high quartz-ceramics provided by the embodiment of the present invention, is ground by the way that the first abrasive to be selected as out
Second abrasive is selected as out 325 mesh screen residue 0.1~0.2% of grinding rate by the minus mesh of 325 mesh screen residue 0.5~1% of fineness
Minus mesh makes the first abrasive and the second abrasive sufficiently melt contact, enhances binding force between the two, makes high quartz obtained
Ceramics are being heated and will not burst under external force, improve the mechanical performance and thermal stability of high quartz-ceramics；It limits simultaneously
The temperature for being burnt into processing step is 1290-1310 DEG C, in conjunction with each component and its content in blank and glaze, reduces high quartz
The production quantity of cristobalite phase in ceramics, improves the production quantity of mullite phase, to prevent the fried porcelain of appearance in sintering process existing
As improving the mechanical performance and thermal stability of high quartz-ceramics.
4) preparation method of high quartz-ceramics provided by the embodiment of the present invention selects fine purifiation kaolin to improve semi-finished product
Processing performance；Reduce the contraction of high quartz-ceramics using raw ore kaolin；The heat that talcum improves high quartz-ceramics is burnt in selection
Stability and mechanical strength；Selection sodium humate is to improve pug performance, improves the plasticity of pug；By using oxidizing flame gas
Atmosphere is conducive to natural gas full combustion, makes high quartz-ceramics in soft off-white color, improves its whiteness.
Specific embodiment
Purposes, technical schemes and advantages in order to better illustrate the present invention, below in conjunction with specific embodiment to this hair
It is bright to be described further.The present invention can be embodied in many different forms, and should not be construed as limited to set forth herein
Embodiment.On the contrary, providing these embodiments, so that the disclosure will be thorough and complete, and design of the invention will be filled
Divide and be communicated to those skilled in the art, the present invention will only be defined by the appended claims.
Fine purifiation kaolin described in following each embodiment and comparative examples, raw ore kaolin, quartz, each component contains in talcum
Amount is as shown in table 1 below:
Table 1
Embodiment 1
Present embodiments provide a kind of high quartz-ceramics and preparation method thereof.The high quartz-ceramics include blank and glaze
Material, the blank includes the SiO of 73kg2、The Al of 16kg2O3, 2kg MgO；The glaze includes the SiO of 56kg2, 13kg
Al2O3, 1.8kg MgO, 13kg CaO, 1kg K2O, the Na of 5kg2O；
The preparation method of the high quartz-ceramics, includes the following steps:
1) blank and glaze are prepared:
S1, it prepares blank: measuring each raw material moisture content, be converted into siccative, in terms of siccative, then by each group in above-mentioned blank
Divide content selection fine purifiation kaolin, raw ore kaolin, quartz, burn talcum, sodium humate；Above-mentioned raw materials are put into ball mill again
Ball milling controls out 325 mesh screen residue 0.5% of grinding rate, be made base slurry, by base slurry be sieved, except iron, press filt, pugging, it is aging after,
It is spare；
S2, it prepares glaze: measuring each raw material moisture content, be converted into siccative, in terms of siccative, then by each group in above-mentioned glaze
Divide content selection fine purifiation kaolin, raw ore kaolin, quartz, burn talcum, sodium humate；Above-mentioned raw materials are put into ball mill again
Ball milling controls out 325 mesh screen residue 0.1% of grinding rate, and glaze slip is made, spare by glaze slip after screening out iron；
2) to the blank roll forming, green body is made, the green body is dried into 4h at 100 DEG C, then after repaired biscuit, adopt
With the glaze glazing, glazed body is made；
3) the glazed body entrucking is entered into tunnel oven, using 1290 DEG C of firing 10h are carried out under natural gas oxidizing flame, Gao Shi is made
English ceramics.
Embodiment 2
Present embodiments provide a kind of high quartz-ceramics and preparation method thereof.The high quartz-ceramics include blank and glaze
Material, the blank includes the SiO of 75kg2、The Al of 14kg2O3, 2.5kg MgO；The glaze includes the SiO of 58kg2, 11kg
Al2O3, 2.0kg MgO, 11kg CaO, 1.5kg K2O, the Na of 4.5kg2O；
The preparation method of the high quartz-ceramics, includes the following steps:
1) blank and glaze are prepared:
S1, it prepares blank: measuring each raw material moisture content, be converted into siccative, in terms of siccative, then by each group in above-mentioned blank
Divide content selection fine purifiation kaolin, raw ore kaolin, quartz, burn talcum, sodium humate；Above-mentioned raw materials are put into ball mill again
Ball milling controls out 325 mesh screen residue 1% of grinding rate, be made base slurry, by base slurry be sieved, except iron, press filt, pugging, it is aging after, it is standby
With；
S2, it prepares glaze: measuring each raw material moisture content, be converted into siccative, in terms of siccative, then by each group in above-mentioned glaze
Divide content selection fine purifiation kaolin, raw ore kaolin, quartz, burn talcum, sodium humate；Above-mentioned raw materials are put into ball mill again
Ball milling controls out 325 mesh screen residue 0.2% of grinding rate, and glaze slip is made, spare by glaze slip after screening out iron；
2) to the blank roll forming, green body is made, the green body is dried into 2h at 200 DEG C, then after repaired biscuit, adopt
With the glaze glazing, glazed body is made；
3) the glazed body entrucking is entered into roller kilns, using 1310 DEG C of firing 11h are carried out under natural gas oxidizing flame, Gao Shi is made
English ceramics.
Embodiment 3
Present embodiments provide a kind of high quartz-ceramics and preparation method thereof.The high quartz-ceramics include blank and glaze
Material, the blank includes the SiO of 74kg2、The Al of 15kg2O3, 2.7kg MgO；The glaze includes the SiO of 57kg2, 12kg
Al2O3, 2.0kg MgO, 12kg CaO, 1.2kg K2O, the Na of 4.7kg2O；
The preparation method of the high quartz-ceramics, includes the following steps:
1) blank and glaze are prepared:
S1, it prepares blank: measuring each raw material moisture content, be converted into siccative, in terms of siccative, then by each group in above-mentioned blank
Divide content selection fine purifiation kaolin, raw ore kaolin, quartz, burn talcum, sodium humate；Above-mentioned raw materials are put into ball mill again
Ball milling controls out 325 mesh screen residue 1% of grinding rate, be made base slurry, by base slurry be sieved, except iron, press filt, pugging, it is aging after, it is standby
With；
S2, it prepares glaze: measuring each raw material moisture content, be converted into siccative, in terms of siccative, then by each group in above-mentioned glaze
Divide content selection fine purifiation kaolin, raw ore kaolin, quartz, burn talcum, sodium humate；Above-mentioned raw materials are put into ball mill again
Ball milling controls out 325 mesh screen residue 0.2% of grinding rate, and glaze slip is made, spare by glaze slip after screening out iron；
2) to the blank roll forming, green body is made, the green body is dried into 2h at 200 DEG C, then after repaired biscuit, adopt
With the glaze glazing, glazed body is made；
3) the glazed body entrucking is entered into tunnel oven, using 1310 DEG C of firing 12h are carried out under natural gas oxidizing flame, Gao Shi is made
English ceramics.
Embodiment 4
Present embodiments provide a kind of high quartz-ceramics and preparation method thereof.The high quartz-ceramics include blank and glaze
Material, the blank includes the SiO of 72kg2、The Al of 19kg2O3, 1kg MgO；The glaze includes the SiO of 55kg2, 15kg
Al2O3, 1.5kg MgO, 15kg CaO, 1.2kg K2O, the Na of 4.7kg2O；
The preparation method of the high quartz-ceramics, includes the following steps:
1) blank and glaze are prepared:
S1, it prepares blank: measuring each raw material moisture content, be converted into siccative, in terms of siccative, then by each group in above-mentioned blank
Divide content selection fine purifiation kaolin, raw ore kaolin, quartz, burn talcum, sodium humate；Above-mentioned raw materials are put into ball mill again
Ball milling controls out 325 mesh screen residue 0.5% of grinding rate, be made base slurry, by base slurry be sieved, except iron, press filt, pugging, it is aging after,
It is spare；
S2, it prepares glaze: measuring each raw material moisture content, be converted into siccative, in terms of siccative, then by each group in above-mentioned glaze
Divide content selection fine purifiation kaolin, raw ore kaolin, quartz, burn talcum, sodium humate；Above-mentioned raw materials are put into ball mill again
Ball milling controls out 325 mesh screen residue 0.1% of grinding rate, and glaze slip is made, spare by glaze slip after screening out iron；
2) to the blank roll forming, green body is made, the green body is dried into 4h at 100 DEG C, then after repaired biscuit, adopt
With the glaze glazing, glazed body is made；
3) the glazed body entrucking is entered into tunnel oven, using 1290 DEG C of firing 11h are carried out under natural gas oxidizing flame, Gao Shi is made
English ceramics.
Embodiment 5
Present embodiments provide a kind of high quartz-ceramics and preparation method thereof.The high quartz-ceramics include blank and glaze
Material, the blank includes the SiO of 77kg2、The Al of 13kg2O3, 3kg MgO；The glaze includes the SiO of 60kg2, 10kg
Al2O3, 2.0kg MgO, 10kg CaO, 1kg K2O, the Na of 5kg2O；
The preparation method of the high quartz-ceramics, includes the following steps:
1) blank and glaze are prepared:
S1, it prepares blank: measuring each raw material moisture content, be converted into siccative, in terms of siccative, then by each group in above-mentioned blank
Divide content selection fine purifiation kaolin, raw ore kaolin, quartz, burn talcum, sodium humate；Above-mentioned raw materials are put into ball mill again
Ball milling controls out 325 mesh screen residue 0.5% of grinding rate, be made base slurry, by base slurry be sieved, except iron, press filt, pugging, it is aging after,
It is spare；
S2, it prepares glaze: measuring each raw material moisture content, be converted into siccative, in terms of siccative, then by each group in above-mentioned glaze
Divide content selection fine purifiation kaolin, raw ore kaolin, quartz, burn talcum, sodium humate；Above-mentioned raw materials are put into ball mill again
Ball milling controls out 325 mesh screen residue 0.1% of grinding rate, and glaze slip is made, spare by glaze slip after screening out iron；
2) to the blank roll forming, green body is made, the green body is dried into 4h at 100 DEG C, then after repaired biscuit, adopt
With the glaze glazing, glazed body is made；
3) the glazed body entrucking is entered into roller kilns, using 1300 DEG C of firing 10h are carried out under natural gas oxidizing flame, Gao Shi is made
English ceramics.
Embodiment 6
Present embodiments provide a kind of high quartz-ceramics and preparation method thereof.The high quartz-ceramics include blank and glaze
Material, the blank includes the SiO of 73kg2、The Al of 16kg2O3, 2kg MgO；The glaze includes the SiO of 56kg2, 13kg
Al2O3, 1.8kg MgO, 13kg CaO, 1kg K2O, the Na of 5kg2O, the Fe of 0.05kg2O3, 0.003kg TiO2。
The preparation method of the high quartz-ceramics, includes the following steps:
1) blank and glaze are prepared:
S1, it prepares blank: measuring each raw material moisture content, be converted into siccative, in terms of siccative, then by each group in above-mentioned blank
Divide content selection fine purifiation kaolin, raw ore kaolin, quartz, burn talcum, sodium humate；Above-mentioned raw materials are put into ball mill again
Ball milling controls out 325 mesh screen residue 0.5% of grinding rate, be made base slurry, by base slurry be sieved, except iron, press filt, pugging, it is aging after,
It is spare；
S2, it prepares glaze: measuring each raw material moisture content, be converted into siccative, in terms of siccative, then by each group in above-mentioned glaze
Divide content selection fine purifiation kaolin, raw ore kaolin, quartz, burn talcum, sodium humate；Above-mentioned raw materials are put into ball mill again
Ball milling controls out 325 mesh screen residue 0.1% of grinding rate, and glaze slip is made, spare by glaze slip after screening out iron；
2) to the blank roll forming, green body is made, the green body is dried into 4h at 100 DEG C, then after repaired biscuit, adopt
With the glaze glazing, glazed body is made；
3) the glazed body entrucking is entered into tunnel oven, using 1290 DEG C of firing 12h are carried out under natural gas oxidizing flame, Gao Shi is made
English ceramics.
Comparative example 1
This comparative example provides a kind of high quartz-ceramics and preparation method thereof.The high quartz-ceramics include blank and glaze
Material, the blank includes the SiO of 73kg2、The Al of 16kg2O3, 2kg MgO；The glaze includes the SiO of 56kg2, 13kg
Al2O3, 1.8kg MgO, 13kg CaO, 1kg K2O, the Na of 5kg2O；
The preparation method of the high quartz-ceramics, includes the following steps:
1) blank and glaze are prepared:
S1, it prepares blank: measuring each raw material moisture content, be converted into siccative, in terms of siccative, then by each group in above-mentioned blank
Divide content selection fine purifiation kaolin, raw ore kaolin, quartz, burn talcum, sodium humate；Above-mentioned raw materials are put into ball mill again
Ball milling controls out 325 mesh screen residue 0.5% of grinding rate, be made base slurry, by base slurry be sieved, except iron, press filt, pugging, it is aging after,
It is spare；
S2, it prepares glaze: measuring each raw material moisture content, be converted into siccative, in terms of siccative, then by each group in above-mentioned glaze
Divide content selection fine purifiation kaolin, raw ore kaolin, quartz, burn talcum, sodium humate；Above-mentioned raw materials are put into ball mill again
Ball milling controls out 325 mesh screen residue 0.1% of grinding rate, and glaze slip is made, spare by glaze slip after screening out iron；
2) to the blank roll forming, green body is made, the green body is dried into 4h at 100 DEG C, then after repaired biscuit, adopt
With the glaze glazing, glazed body is made；
3) the glazed body entrucking is entered into tunnel oven, using 1250 DEG C of firing 12h are carried out under natural gas oxidizing flame, Gao Shi is made
English ceramics.
Comparative example 2
This comparative example provides a kind of high quartz-ceramics and preparation method thereof.The high quartz-ceramics include blank and glaze
Material, the blank includes the SiO of 75kg2、The Al of 23kg2O3, 1.5g CaO, 0.5g MgO, 2g Na2O, the K of 4g2O、Fe2O3
≤0.4；The glaze includes the SiO of 62kg2, 11kg Al2O3, 2.0kg MgO, 9kg CaO, 4.5kg K2O, 3kg
Na2O, the F of ZnO, 2g of 4g；
The preparation method of the high quartz-ceramics, includes the following steps:
1) blank and glaze are prepared:
S1, it prepares blank: measuring each raw material moisture content, be converted into siccative, in terms of siccative, then by each group in above-mentioned blank
Divide content selection fine purifiation kaolin, raw ore kaolin, quartz, burn talcum, sodium humate；Above-mentioned raw materials are put into ball mill again
Ball milling controls out 325 mesh screen residue 1% of grinding rate, be made base slurry, by base slurry be sieved, except iron, press filt, pugging, it is aging after, it is standby
With；
S2, it prepares glaze: measuring each raw material moisture content, be converted into siccative, in terms of siccative, then by each group in above-mentioned glaze
Divide content selection fine purifiation kaolin, raw ore kaolin, quartz, burn talcum, sodium humate；Above-mentioned raw materials are put into ball mill again
Ball milling controls out 325 mesh screen residue 0.2% of grinding rate, and glaze slip is made, spare by glaze slip after screening out iron；
2) to the blank roll forming, green body is made, the green body is dried into 2h at 200 DEG C, then after repaired biscuit, adopt
With the glaze glazing, glazed body is made；
3) the glazed body entrucking is entered into roller kilns, using 1310 DEG C of firing 11h are carried out under natural gas oxidizing flame, Gao Shi is made
English ceramics.
Comparative example 3
This comparative example provides a kind of high quartz-ceramics and preparation method thereof.The high quartz-ceramics include blank and glaze
Material, the blank includes the SiO of 74kg2、The Al of 12kg2O3, 2.7kg MgO；The glaze includes the SiO of 57kg2, 12kg
Al2O3, 4.0kg MgO, 12kg CaO, 1.2kg K2O, the Na of 4.7kg2O；
The preparation method of the high quartz-ceramics, includes the following steps:
1) blank and glaze are prepared:
S1, it prepares blank: measuring each raw material moisture content, be converted into siccative, in terms of siccative, then by each group in above-mentioned blank
Divide content selection fine purifiation kaolin, raw ore kaolin, quartz, burn talcum, sodium humate；Above-mentioned raw materials are put into ball mill again
Ball milling controls out 325 mesh screen residue 1% of grinding rate, be made base slurry, by base slurry be sieved, except iron, press filt, pugging, it is aging after, it is standby
With；
S2, it prepares glaze: measuring each raw material moisture content, be converted into siccative, in terms of siccative, then by each group in above-mentioned glaze
Divide content selection fine purifiation kaolin, raw ore kaolin, quartz, burn talcum, sodium humate；Above-mentioned raw materials are put into ball mill again
Ball milling controls out 325 mesh screen residue 0.2% of grinding rate, and glaze slip is made, spare by glaze slip after screening out iron；
2) to the blank roll forming, green body is made, the green body is dried into 2h at 200 DEG C, then after repaired biscuit, adopt
With the glaze glazing, glazed body is made；
3) the glazed body entrucking is entered into tunnel oven, using 1310 DEG C of firing 12h are carried out under natural gas oxidizing flame, Gao Shi is made
English ceramics.
Correlated performance test is carried out to high quartz-ceramics obtained in above-described embodiment and comparative example, test result is as follows table
Shown in 1:
Table 1
From table 1, it can be seen that, the embodiment of the present invention has excellent mechanical strength and thermostabilization with high quartz-ceramics obtained
Property.In the case of in blank containing high quartz, preparing high quartz-ceramics is not in the process to burst phenomenon.
Obviously, the above embodiments are merely examples for clarifying the description, and the not restriction of embodiment.For
For those of ordinary skill in the art, other various forms of variations or change can also be made on the basis of the above description
It is dynamic.There is no necessity and possibility to exhaust all the enbodiments.And obvious variation extended from this or change
It moves still within the protection scope of the invention.
Claims (9)
1. a kind of high quartz-ceramics, including blank and glaze, the blank include the component of following mass fraction:
SiO272-77 parts
Al2O313-19 parts
1-3 parts of MgO；
The glaze includes the component of following mass fraction:
2. high quartz-ceramics according to claim 1, which is characterized in that the blank includes the group of following mass fraction
Point:
SiO273-75 parts
Al2O314-16 parts
2-2.5 parts of MgO.
3. high quartz-ceramics according to claim 1 or 2, which is characterized in that the glaze includes following mass fraction
Component:
4. high quartz-ceramics according to claim 3, which is characterized in that the glaze further includes the group of following mass fraction
Point:
Fe2O30.05-0.1 parts
TiO20.001-0.003 parts.
5. a kind of preparation method of high quartz-ceramics of any of claims 1-4, which is characterized in that including walking as follows
It is rapid:
1) blank and glaze are prepared: being ground by each component content selection raw material in the blank, the first abrasive is made, then
First abrasive is sieved, except iron, press filt, pugging, it is aging after, the blank is made, it is spare；By each in the glaze
Constituent content selection raw material is ground, and the second abrasive is made, then second abrasive is sieved, except being made after iron
The glaze, it is spare；
2) forming processes are carried out to the blank, idiosome is made；Using the glaze to the idiosome glazing, glazed body is made；
3) firing processing is carried out to the glazed body, the high quartz-ceramics is made.
6. preparation method according to claim 5, which is characterized in that in step 1), first abrasive is levigate out
Spend the minus mesh of 325 mesh screen residues 0.5~1%；
Second abrasive is the minus mesh for 325 mesh screen residue 0.1~0.2% of grinding rate.
7. preparation method according to claim 5 or 6, which is characterized in that in step 3), the firing processing step
Temperature is 1290-1310 DEG C.
8. preparation method according to claim 7, which is characterized in that in step 3), the firing processing step is in tunnel
It is carried out in road kiln or roller kilns；
The firing processing step is burnt into using natural gas oxidizing flame.
9. preparation method according to claim 5 or 6, which is characterized in that in step 1), it is high that the raw material is selected from fine purifiation
At least one of ridge soil, raw ore kaolin, quartz, talcum and sodium humate, wherein SiO in the fine purifiation kaolin2Quality
Content is in 48-52%, Al2O3Mass content is in 30-35%, K2O mass content is in 3.5-4.0%, Na2O mass content exists
0.45-0.5%, MgO mass content are in 0.20-0.25%；
SiO in the raw ore kaolin2Mass content is in 65-70%, Al2O3Mass content is in 20-25%, K2O mass content exists
0.5-0.7%, Na2O mass content is in 0.5-1%, MgO mass content in 0.1-0.15%；
SiO in the quartz2Mass content is not less than 98%；
SiO in the talcum2Mass content is in 62-67%, CaO mass content in 3-3.5%, K2O mass content is in 0.15-
0.2%, MgO mass content is in 30-35%；
In step 2), before glazing takes place, further include the steps that the idiosome is dried and repaired biscuit.
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| CN109942273A (en) * | 2019-03-22 | 2019-06-28 | 湖南仙凤瓷业有限公司 | Shi porcelain and preparation method thereof |
| CN109796193A (en) * | 2019-03-27 | 2019-05-24 | 应县东进陶瓷有限公司 | A kind of production method and equipment of heat-resisting domestic ceramic product |
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