CN108516795A - A kind of lightening fire resistant ceramic and preparation method thereof - Google Patents
A kind of lightening fire resistant ceramic and preparation method thereof Download PDFInfo
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Abstract
A kind of lightening fire resistant ceramic of present invention offer and preparation method thereof, includes the raw material of following parts by weight：10 ~ 30 parts of kaolin, 20 ~ 40 parts of bentonite, 15 ~ 35 parts of quartz, 15 ~ 35 parts of potassium feldspar, 15 ~ 24 parts of albite, 5 ~ 15 parts of dolomite, 7 ~ 12 parts of nano zine oxide, 1 ~ 3 part of zircon, 10 ~ 20 parts of pyrophillite, 10 ~ 20 parts of obsidian, 5 ~ 12 parts of ceramic fibre, 4 ~ 8 parts of nano barium carbonate, 15 ~ 35 parts of nano-calcium carbonate, 2 ~ 4 parts of potassium alum.It is light, intensity is big, heat-resisting quantity is strong, glossiness is good, quality is fine and smooth using lightening fire resistant ceramic made from raw material provided by the invention and method, there is excellent high temperature resistance and thermal stability.
Description
Technical field
The invention belongs to ceramic fields, and in particular to a kind of lightening fire resistant ceramic and preparation method thereof.
Background technology
China is one of the country for applying ceramics earliest in the world, and ceramic is because its quality is hard, fine and closely woven, glaze colours is abundant
The features such as, it is widely used in the fields such as feeder, decoration, science, however ordinary pottery products are in the prevalence of non-refractory, porcelain facing
Wearability is low, is also easy to produce the problem of cut, is generally also provided with the distinctive weight sense of ceramics, uses very inconvenient, therefore, carries
There is prodigious market value for a kind of light heat safe ceramic.
Invention content
Based on the above prior art, the purpose of the present invention is to provide a kind of lightening fire resistant ceramic and its making sides
Method, it is light, intensity is big, heat-resisting quantity is strong, glossiness using ceramic made from raw material provided by the invention and method
Good, quality exquisiteness, has excellent high temperature resistance and thermal stability.
In order to achieve the goal above, the technical solution adopted by the present invention is：A kind of lightening fire resistant ceramic, by following
Component forms in parts by weight：10 ~ 30 parts of kaolin, 20 ~ 40 parts of bentonite, 15 ~ 35 parts of quartz, 15 ~ 35 parts of potassium feldspar, sodium are long
15 ~ 24 parts of stone, 5 ~ 15 parts of dolomite, 7 ~ 12 parts of nano zine oxide, 1 ~ 3 part of zircon, 10 ~ 20 parts of pyrophillite, obsidian 10 ~ 20
2 ~ 4 parts of part, 5 ~ 12 parts of ceramic fibre, 4 ~ 8 parts of nano barium carbonate, 15 ~ 35 parts of nano-calcium carbonate and potassium alum.
Preferably, the lightening fire resistant ceramic, is made of in parts by weight following components：20 parts of kaolin,
30 parts of bentonite, quartz 25 parts, 25 parts of potassium feldspar, 19 parts of albite, 10 parts of dolomite, 9 parts of nano zine oxide, 2 parts of zircon,
3 parts of 15 parts of pyrophillite, 15 parts of obsidian, 9 parts of ceramic fibre, 6 parts of nano barium carbonate, 25 parts of nano-calcium carbonate and potassium alum.
The present invention is using the principle of above-mentioned raw materials：Kaolin, bentonite, quartz are used as primary raw material, itself tool
Standby excellent viscosity, the once-firing for ceramics lay the foundation, wherein kaolin has plasticity, caking property, certain drying
Properties, the bentonite such as whiteness are met water volume during making pug and can be expanded after intensity, agglutinating property and burning, to
The volume of relative increase pug reduces the proportion of raw material, lays the foundation for firing light ceramics, in addition, bentonite is still plasticized
The plasticity and binding ability of blank can be improved in agent, and quartz is used as non-plastic raw material, acts adjusting to the plasticity of pug in base
Effect can reduce body drying and shrink and deform tendency, shorten drying time, play lean agent；It is potassium feldspar, albite, white
Marble, nano zine oxide, nano barium carbonate are used as fluxing agent, can reduce firing temperature, increase liquid phase, expand firing range,
Improve the mechanical strength and chemical stability of green body, wherein potassium feldspar, albite or non-plastic raw material play leanization in green body
Effect, can shorten drying time, reduce dry contraction and deformation, dolomite can be used as pore-foaming agent, improve the porosity of ceramics, expand
Bigger serface, decomposing the CaO generated and MgO in calcination process, there is fluxing action, nano zine oxide to have the function of antibacterial,
Nano barium carbonate also has good grease resistance and wearability；Zircon, pyrophillite, obsidian, ceramic fibre are used as function
Material can increase the high temperature resistance of ceramic, wherein the coefficient of expansion of pyrophyllite is smaller, has good thermal stability
With the hygral expansion of very little, obsidian has apparent glassy lustre, and unit weight is small, and dilatancy is good, and chemical stability is strong, hygroscopicity
It is small, have the advantages that freeze proof, acidproof, insulation, ceramic fibre is with light-weight, thermal stability is good, thermal conductivity is low, specific heat is small and resistance to
The advantages of mechanical shock；The intensity, toughness of ceramics can be improved in nano-calcium carbonate, refractoriness carries in addition, being alternatively arranged as pore-foaming agent
The porosity of high ceramics expands specific surface area, reduces the proportion of raw material；Manufactured ceramics are coordinated to have with other materials good
Performance, light, uniform color is also effectively reduced sintering time；Potassium alum as auxiliary agent, can relative increase pug body
Product, reduces the proportion of raw material, in addition there are the effects of waterproof, toughening and antibacterial；It is potassium feldspar, albite, dolomite, nano oxidized
After zinc, nano barium carbonate and potassium alum combine, fluxing action is made further to be promoted, in addition, drying time can also be shortened,
Reduction is dry to shrink and deforms, and makes ceramic obtained not easy to crack and any surface finish, quality exquisiteness；Zircon, pyrophillite,
After obsidian, ceramic fibre, nano-calcium carbonate and potassium alum combine, intensity, heat-resisting quantity in addition to ceramic can be improved
Outside energy and thermal stability, glossiness, toughness, resistance to chemical attack, wearability, the water resistant of ceramic can also be improved
Property, mitigate the weight of ceramics, in addition, also having good heat preservation thermal insulation and high-temperature heat insulation.
The present invention also provides a kind of methods making lightening fire resistant ceramic, include the following steps：
Step 1 weighs each raw material according to parts by weight respectively, spare；
Step 2, will nano zine oxide, nano barium carbonate and nano-calcium carbonate mix after obtain mixed powder, addition account for its weight 8 ~
Then kaolin, swollen is added with the rate of 700 ~ 900r/min stirring 5 ~ obtain suspension after ten minutes in 12 times of deionized water
Moisten soil, quartz, potassium feldspar, albite, dolomite, zircon, pyrophillite, obsidian, ceramic fibre and potassium alum, continues with phase
Same rate stirs 10 ~ 15 minutes and obtains primary pug, and then primary pug is carried out ball milling and is sieved to obtain finished product primary mud
Then finished product primary pug is carried out pugging with the rate of 300 ~ 500r/min and obtains finished product pug in 7 ~ 11 hours, is adjusted to by material
The moisture content of product pug carries out shaping to obtain green body after being 35 ~ 40%；
Step 3, green body after drying, are sintered 2.5 ~ 3.5 hours at 900 ~ 1200 DEG C of temperature, then heat to 1300 ~ 1600
DEG C, it is sintered 6 ~ 8h, obtains lightening fire resistant ceramic.
Wherein, the concrete technology that pug moisture content is 35 ~ 40% is adjusted in the step 2 is：First measured with moisture teller
Deionized water is added into pug if moisture content is less than 35% for the moisture content of pug；If the moisture content of pug is higher than
40%, then use the method that pugging is air-dried in air.
As an optimization, say that primary pug carries out ball milling and the concrete technology of sieving is in the step 2：First by primary pug
Ball milling is carried out with the rate of 300 ~ 500r/min and obtains within 3 ~ 5 hours first product primary pug, and first product primary pug is crossed into 80 ~ 100 mesh
Sieve, until first product primary pug screen over-size be 3 ~ 5%, by remaining first product primary pug with the rate of 200 ~ 300r/min into
Row ball milling obtains middle finished product primary pug for 3 ~ 6 hours, and middle finished product primary pug is crossed 250 ~ 300 mesh sieve until middle finished product primary mud
The screen over-size of material is 1 ~ 2%, by the middle finished product primary pug obtained after the first product primary pug obtained after sieving, sieving and sieving
Remaining middle finished product primary pug is mixed to get finished product primary pug afterwards.
As an optimization, the actual conditions being dried in the step 3 are：In 50 ~ 70 DEG C, the condition that humidity is 17 ~ 25%
It is lower to bake 5 hours or more.
Advantageous effect
Beneficial effects of the present invention are as follows：
（1）, using kaolin, bentonite, quartz, potassium feldspar, albite, dolomite, nano zine oxide, zircon, pyrophillite,
Obsidian, ceramic fibre, nano barium carbonate, nano-calcium carbonate and potassium alum are as raw material, wherein potassium alum, can as auxiliary agent
The volume of relative increase pug reduces the proportion of raw material, and in addition there are the effects of waterproof, toughening and antibacterial；Potassium feldspar, sodium are long
After stone, dolomite, nano zine oxide, nano barium carbonate and potassium alum combine, fluxing action is further promoted, this
Outside, it can also shorten drying time, reduce dry contraction and deformation, keep ceramic obtained not easy to crack and any surface finish, matter
Ground is fine and smooth；After zircon, pyrophillite, obsidian, ceramic fibre, nano-calcium carbonate and potassium alum combine, in addition to pottery can be improved
Outside the intensity of ceramic products, high temperature resistance and thermal stability, the glossiness, toughness, anti-chemistry of ceramic can also be improved
Corrosive power, wearability, water-resistance mitigate the weight of ceramics, in addition, also having good heat preservation thermal insulation and high-temperature heat insulation
Property.Using ceramic made from the above raw material, light, intensity is greatly, heat-resisting quantity, glossiness are good, quality is fine and smooth, has excellent
Good high temperature resistance and thermal stability.
（2）, lightening fire resistant ceramic provided by the invention production method, first by raw material with 300 ~ 500r/min's
Rate carries out ball milling 3 ~ 5 hours, crosses 80 ~ 100 mesh sieve, it is 188 microns of pugs below to obtain grain size, then with 200 ~ 300r/
The rate of min carries out ball milling 3 ~ 6 hours, crosses 250 ~ 300 mesh sieve, it is 60 microns of pugs below to obtain grain size, passes through gradation
Sieve obtains the pug of particle diameter distribution difference, particle exquisiteness, good dispersion, to increase the intensity of ceramic and reduce
The weight of ceramics.
Specific implementation mode
With reference to specific embodiment, invention is further described in detail.
Embodiment 1
The present embodiment provides a kind of lightening fire resistant ceramics and preparation method thereof, are made of in parts by weight following components：
10 parts of kaolin, 20 parts of bentonite, quartz 15 parts, 15 parts of potassium feldspar, 15 parts of albite, 5 parts of dolomite, 7 parts of nano zine oxide,
1 part of zircon, 10 parts of pyrophillite, 10 parts of obsidian, 5 parts of ceramic fibre, 4 parts of nano barium carbonate, 15 parts of nano-calcium carbonate and potassium
2 parts of alum.
The present embodiment also provides a kind of method making lightening fire resistant ceramic, includes the following steps：
Step 1 weighs each raw material according to parts by weight respectively, spare；
Step 2 obtains mixed powder after mixing nano zine oxide, nano barium carbonate and nano-calcium carbonate, addition accounts for 8 times of its weight
Deionized water, suspension is obtained with the stirring of the rate of 700r/min after five minutes, be then added kaolin, bentonite, quartz,
Potassium feldspar, albite, dolomite, zircon, pyrophillite, obsidian, ceramic fibre and potassium alum, continuation are stirred with identical rate
It mixes 10 minutes and obtains primary pug, primary pug is first carried out ball milling with the rate of 300r/min obtains first product primary mud for 3 hours
Material, by first product primary pug cross 80 mesh sieve, until first product primary pug screen over-size be 3%, by remaining first product primary pug with
The rate of 200r/min carries out ball milling and obtains within 3 hours middle finished product primary pug, and middle finished product primary pug is crossed 250 mesh sieve in
The screen over-size of finished product primary pug is 1%, the middle finished product primary mud that will be obtained after the first product primary pug obtained after sieving, sieving
Remaining middle finished product primary pug is mixed to get finished product primary pug after material and sieving, then by finished product primary pug with 300r/
The rate of min carries out pugging and obtains within 7 hours finished product pug, and the moisture content for adjusting finished product pug carries out shaping to obtain base after being 35%
Body；
Step 3, green body 50 DEG C, humidity be 17% under conditions of bake 5 hours, be sintered 2.5 hours at 900 DEG C of temperature, then
1300 DEG C are warming up to, 6h is sintered, obtains lightening fire resistant ceramic.
Embodiment 2
The present embodiment provides a kind of lightening fire resistant ceramics and preparation method thereof, are made of in parts by weight following components：
15 parts of kaolin, 25 parts of bentonite, quartz 20 parts, 20 parts of potassium feldspar, 17 parts of albite, 8 parts of dolomite, 8 parts of nano zine oxide,
1.5 parts of zircon, 12 parts of pyrophillite, 13 parts of obsidian, 7 parts of ceramic fibre, 5 parts of nano barium carbonate, 20 parts of nano-calcium carbonate and
2.5 parts of potassium alum.
The present embodiment also provides a kind of method making lightening fire resistant ceramic, includes the following steps：
Step 1 weighs each raw material according to parts by weight respectively, spare；
Step 2 obtains mixed powder after mixing nano zine oxide, nano barium carbonate and nano-calcium carbonate, addition accounts for 9 times of its weight
Deionized water, obtain suspension after being stirred 6 minutes with the rate of 750r/min, be then added kaolin, bentonite, quartz,
Potassium feldspar, albite, dolomite, zircon, pyrophillite, obsidian, ceramic fibre and potassium alum, continuation are stirred with identical rate
It mixes 12 minutes and obtains primary pug, primary pug is first carried out ball milling with the rate of 350r/min obtains first product primary for 3.5 hours
First product primary pug is crossed 85 mesh sieve, until the screen over-size of first product primary pug is 3.5%, by remaining first product primary mud by pug
Material carries out ball milling with the rate of 225r/min and obtains within 3.7 hours middle finished product primary pug, and middle finished product primary pug is crossed 260 mesh sieve
Until middle finished product primary pug screen over-size be 1.25%, in being obtained after the first product primary pug obtained after sieving, sieving at
Remaining middle finished product primary pug is mixed to get finished product primary pug after product primary pug and sieving, then by finished product primary pug
Pugging is carried out with the rate of 350r/min and obtains within 8 hours finished product pug, and the moisture content for adjusting finished product pug carries out shaping after being 36%
Obtain green body；
Step 3, green body 55 DEG C, humidity be 19% under conditions of bake 10 hours, be sintered 2.8 hours at 975 DEG C of temperature, so
After be warming up to 1375 DEG C, be sintered 6.5h, obtain lightening fire resistant ceramic.
Embodiment 3
The present embodiment provides a kind of lightening fire resistant ceramics and preparation method thereof, are made of in parts by weight following components：
20 parts of kaolin, 30 parts of bentonite, 25 parts of quartz, 25 parts of potassium feldspar, 19 parts of albite, 10 parts of dolomite, nano zine oxide 9
Part, 2 parts of zircon, 15 parts of pyrophillite, 15 parts of obsidian, 9 parts of ceramic fibre, 6 parts of nano barium carbonate, 25 parts of nano-calcium carbonate and
3 parts of potassium alum.
The present embodiment also provides a kind of method making lightening fire resistant ceramic, includes the following steps：
Step 1 weighs each raw material according to parts by weight respectively, spare；
Step 2 obtains mixed powder after mixing nano zine oxide, nano barium carbonate and nano-calcium carbonate, addition accounts for its weight 10
Deionized water again obtains suspension after being stirred 8 minutes with the rate of 800r/min, and kaolin, bentonite, stone is then added
English, potassium feldspar, albite, dolomite, zircon, pyrophillite, obsidian, ceramic fibre and potassium alum continue with identical speed
Rate stirs 13 minutes and obtains primary pug, at the beginning of primary pug is first obtained first product in 4 hours with the rate progress ball milling of 400r/min
First product primary pug is crossed 90 mesh sieve, until the screen over-size of first product primary pug is 4%, by remaining first product primary mud by grade pug
Material carries out ball milling with the rate of 250r/min and obtains within 4.5 hours middle finished product primary pug, and middle finished product primary pug is crossed 275 mesh sieve
Until middle finished product primary pug screen over-size be 1.5%, in being obtained after the first product primary pug obtained after sieving, sieving at
Remaining middle finished product primary pug is mixed to get finished product primary pug after product primary pug and sieving, then by finished product primary pug
Pugging is carried out with the rate of 400r/min and obtains within 9 hours finished product pug, and the moisture content for adjusting finished product pug carries out shaping after being 37%
Obtain green body；
Step 3, green body 60 DEG C, humidity be 21% under conditions of bake 20 hours, be sintered 3 hours at 1050 DEG C of temperature, then
1450 DEG C are warming up to, 7h is sintered, obtains lightening fire resistant ceramic.
Embodiment 4
The present embodiment provides a kind of lightening fire resistant ceramics and preparation method thereof, are made of in parts by weight following components：
25 parts of kaolin, 35 parts of bentonite, 30 parts of quartz, 30 parts of potassium feldspar, 21 parts of albite, 12 parts of dolomite, nano zine oxide 10
Part, 2.5 parts of zircon, 17 parts of pyrophillite, 18 parts of obsidian, 11 parts of ceramic fibre, 7 parts of nano barium carbonate, nano-calcium carbonate 30
3.5 parts of part and potassium alum.
The present embodiment also provides a kind of method making lightening fire resistant ceramic, includes the following steps：
Step 1 weighs each raw material according to parts by weight respectively, spare；
Step 2 obtains mixed powder after mixing nano zine oxide, nano barium carbonate and nano-calcium carbonate, addition accounts for its weight 11
Deionized water again obtains suspension after being stirred 9 minutes with the rate of 850r/min, and kaolin, bentonite, stone is then added
English, potassium feldspar, albite, dolomite, zircon, pyrophillite, obsidian, ceramic fibre and potassium alum continue with identical speed
Rate stirs 14 minutes and obtains primary pug, and primary pug is first carried out ball milling with the rate of 450r/min obtains first product in 4.5 hours
First product primary pug is crossed 95 mesh sieve by primary pug, until the screen over-size of first product primary pug is 4.5%, it will be at the beginning of remaining first product
Grade pug carries out ball milling with the rate of 275r/min and obtains within 5.2 hours middle finished product primary pug, and middle finished product primary pug is crossed 285
Mesh sieve is until the screen over-size of middle finished product primary pug is 1.75%, by what is obtained after the first product primary pug obtained after sieving, sieving
Remaining middle finished product primary pug is mixed to get finished product primary pug after middle finished product primary pug and sieving, then by finished product primary
Pug carries out pugging with the rate of 450r/min and obtains within 10 hours finished product pug, and the moisture content for adjusting finished product pug is 39% laggard
Row sizing obtains green body；
Step 3, green body 65 DEG C, humidity be 23% under conditions of bake 15 hours, be sintered 3.3 hours at 1125 DEG C of temperature, so
After be warming up to 1525 DEG C, be sintered 7.5h, obtain lightening fire resistant ceramic.
Embodiment 5
The present embodiment provides a kind of lightening fire resistant ceramics and preparation method thereof, are made of in parts by weight following components：
30 parts of kaolin, 40 parts of bentonite, 35 parts of quartz, 35 parts of potassium feldspar, 24 parts of albite, 15 parts of dolomite, nano zine oxide 12
Part, 3 parts of zircon, 20 parts of pyrophillite, 20 parts of obsidian, 12 parts of ceramic fibre, 8 parts of nano barium carbonate, 35 parts of nano-calcium carbonate
With 4 parts of potassium alum.
The present embodiment also provides a kind of method making lightening fire resistant ceramic, includes the following steps：
Step 1 weighs each raw material according to parts by weight respectively, spare；
Step 2 obtains mixed powder after mixing nano zine oxide, nano barium carbonate and nano-calcium carbonate, addition accounts for its weight 12
Deionized water again obtains suspension with the rate stirring of 900r/min, kaolin, bentonite, stone is then added after ten minutes
English, potassium feldspar, albite, dolomite, zircon, pyrophillite, obsidian, ceramic fibre and potassium alum continue with identical speed
Rate stirs 15 minutes and obtains primary pug, at the beginning of primary pug is first obtained first product in 5 hours with the rate progress ball milling of 500r/min
Grade pug, first product primary pug is sieved with 100 mesh sieve, until the screen over-size of first product primary pug is 5%, by remaining first product primary
Pug carries out ball milling with the rate of 300r/min and obtains within 6 hours middle finished product primary pug, and middle finished product primary pug is crossed 300 mesh sieve
Until the screen over-size of middle finished product primary pug is 2%, the middle finished product that will be obtained after the first product primary pug obtained after sieving, sieving
Primary pug and sieving after remaining middle finished product primary pug be mixed to get finished product primary pug, then by finished product primary pug with
The rate of 500r/min carries out pugging and obtains within 11 hours finished product pug, and the moisture content for adjusting finished product pug carries out shaping after being 40%
Obtain green body；
Step 3, green body 70 DEG C, humidity be 25% under conditions of bake 10 hours, be sintered 3.5 hours at 1200 DEG C of temperature, so
After be warming up to 1600 DEG C, be sintered 8h, obtain lightening fire resistant ceramic.
Lightening fire resistant ceramic obtained and preparation method thereof in above-described embodiment 1 to 5, the raw material used with again
It is as shown in table 1 below to measure part：
By the commercially available ordinary pottery products of lightening fire resistant ceramic and example as a contrast in embodiment 1 to 5 into
Row bulk density, breakdown strength, the modulus of rupture, wearability and heat stability testing simultaneously compare test result, specific test method
It is as follows：
Bulk density is tested：Take 5 lightening fire resistant ceramic fragments as sample, the dust that its surface is adhered to and fine crushing
Particle outwash dries 2h to constant at 110 ± 5 DEG C in electrically heated drying cabinet, is put into drier and is cooled to room temperature, claim its quality
With volume, the ratio of its quality and volume, the as bulk density of sample are asked later, finally seek the flat of 5 volume of sample density
Mean value is the bulk density of ceramic, wherein the bulk density of identical sized ceramics product is smaller, the weight of ceramic
It is smaller.
Breakdown strength test, modulus of rupture test：Take 5 lightening fire resistant ceramic fragments as sample, by sample
It is put into the difference weighed twice in succession dried and be spaced to constant weight for 24 hours in the drying box of 110 DEG C of 5 DEG C of scholars and is not more than 0.1%.So
Sample is placed in closed drying box or drier and is cooled to room temperature afterwards, after 3h according to national standards GB/T 3810.4 ~
Regulation in 2006/ISO carries out breakdown strength to sample and is tested with the modulus of rupture.
Wearability test：Wearability test is carried out to the fragment of lightening fire resistant ceramic using wearability test machine,
It takes a kind of 5 lightening fire resistant ceramics and preparation method thereof fragment as sample, certain granules grading is placed on sample
Grinding steel ball, No. 80 white fused aluminas and quantitative deionized water or distilled water, according to regulation the speed of rotation carry out spin finishing,
Observation comparison is carried out with unworn sample to worn-out sample, is commented by the grinding revolution for starting to occur wearing on sample
Its wearability of valence, by the wearability test result of 5 samples average up to ceramic wearability test as a result, its try
The grinding revolution for starting to occur wearing on sample is higher, and the wearability of sample is better.
Heat stability testing：It takes 5 lightening fire resistant ceramic fragments as sample, is kept the temperature under the conditions of being placed in 280 DEG C
300 minutes, sample was taken out after heat preservation and is calculated, is rapidly put into 15s in the water that temperature is 20 DEG C, impregnates 10 points
Clock, wherein the ratio between the weight of water and sample weight are 8：1, the water surface is higher by sample 25mm, takes out sample and is wiped with cloth dry, coats red
Chromatic ink checks for crackle, checks again primary after 24 h, cracks fewer, the thermal stability of sample is better, high temperature resistant
Property is better.
Test result is as follows for it shown in table 2：
Lightening fire resistant ceramic obtained in above-described embodiment 1 to 5, quality is fine and smooth, glaze is smooth, according to the survey of table 2
Test result shows that its bulk density is generally less than the ceramic of example as a contrast being commercially available, breakdown strength, fracture
Modulus and wearability are far above the ceramic of example as a contrast being commercially available, and thermal stability is also significantly better than conduct
The ceramic of reference examples being commercially available, wherein with the items of the lightening fire resistant ceramic obtained in embodiment 3
Can be preferably most preferred embodiment.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's
Within protection domain.
Claims (5)
1. a kind of lightening fire resistant ceramic, which is characterized in that be made of in parts by weight following components：Kaolin 10 ~ 30
Part, 20 ~ 40 parts of bentonite, 15 ~ 35 parts of quartz, 15 ~ 35 parts of potassium feldspar, 15 ~ 24 parts of albite, 5 ~ 15 parts of dolomite, nano oxygen
Change 7 ~ 12 parts of zinc, 1 ~ 3 part of zircon, 10 ~ 20 parts of pyrophillite, 10 ~ 20 parts of obsidian, 5 ~ 12 parts of ceramic fibre, nano barium carbonate 4
2 ~ 4 parts of ~ 8 parts, 15 ~ 35 parts of nano-calcium carbonate and potassium alum.
2. ceramic according to claim 1, which is characterized in that be made of in parts by weight following components：Kaolin
20 parts, 30 parts of bentonite, quartz 25 parts, 25 parts of potassium feldspar, 19 parts of albite, 10 parts of dolomite, 9 parts of nano zine oxide, zirconium English
2 parts of stone, 15 parts of pyrophillite, 15 parts of obsidian, 9 parts of ceramic fibre, 6 parts of nano barium carbonate, 25 parts of nano-calcium carbonate and potassium alum 3
Part.
3. the production method of ceramic described in a kind of claims 1 or 2, which is characterized in that include the following steps：
Step 1 weighs each raw material according to parts by weight respectively, spare；
Step 2 obtains mixed powder after mixing nano zine oxide, nano barium carbonate and nano-calcium carbonate, it is mixing that weight, which is added,
Then the deionized water that 8 ~ 12 times of powder weight is added with the rate of 700 ~ 900r/min stirring 5 ~ obtain suspension after ten minutes
Kaolin, bentonite, quartz, potassium feldspar, albite, dolomite, zircon, pyrophillite, obsidian, ceramic fibre and potassium are bright
Alum continues to obtain primary pug within 10 ~ 15 minutes with the stirring of identical rate, then carries out ball milling and be sieved to obtain by primary pug
Then finished product primary pug is carried out pugging with the rate of 300 ~ 500r/min and obtains product mud in 7 ~ 11 hours by finished product primary pug
Material, the moisture content for adjusting finished product pug carry out shaping to obtain green body after being 35 ~ 40%；
Step 3, green body after drying, are sintered 2.5 ~ 3.5 hours at 900 ~ 1200 DEG C of temperature, then heat to 1300 ~ 1600
DEG C, it is sintered 6 ~ 8h, obtains lightening fire resistant ceramic.
4. according to claim 3 make ceramic method, which is characterized in that in the step 2, by primary pug into
The row ball milling and concrete technology of sieving is：Primary pug is first carried out ball milling with the rate of 300 ~ 500r/min to obtain within 3 ~ 5 hours
First product primary pug is crossed 80 ~ 100 mesh sieve by first product primary pug, until the screen over-size of first product primary pug is 3 ~ 5%, it will be remaining
First product primary pug ball milling carried out with the rate of 200 ~ 300r/min obtain within 3 ~ 6 hours middle finished product primary pug, by middle finished product
Primary pug crosses 250 ~ 300 mesh sieve until the screen over-size of middle finished product primary pug is 1 ~ 2%, by the first product obtained after sieving primary
Remaining middle finished product primary pug is mixed to get finished product primary mud after the middle finished product primary pug obtained after pug, sieving and sieving
Material.
5. the method for making ceramic according to claim 3, which is characterized in that the tool being dried in the step 3
Concrete conditions in the establishment of a specific crime is：Baked 5 hours under conditions of 50 ~ 70 DEG C, humidity are 17 ~ 25% or more.
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| CN110698220A (en) * | 2019-11-12 | 2020-01-17 | 山东理工大学 | Method for firing lightweight porcelain plate for exterior wall decoration by using roller kiln |
| CN112679197A (en) * | 2021-02-05 | 2021-04-20 | 景德镇卓铭陶瓷有限责任公司 | Method for firing ceramic by reducing oxygen flame |
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