CN108298974A

CN108298974A - It is a kind of can microwave heating Bone China preparation method

Info

Publication number: CN108298974A
Application number: CN201810262504.9A
Authority: CN
Inventors: 许水仙; 何伟仁; 陈可
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-03-28
Filing date: 2018-03-28
Publication date: 2018-07-20

Abstract

The invention discloses it is a kind of can microwave heating Bone China preparation method, belong to Bone China preparing technical field.Since precursor powder can be in ceramic post sintering swelling early period, it can be to infiltration of ambient, play cohesive toughening effect, it is different additionally, due to neighboring die structure in the sclerotin ceramics of the present invention, when high-frequency microwave vibrates, different resonance can occur by neighboring die under microwave Bone China heating condition, the present invention can grow mullite crystal whisker by colloidal sol in the micro-drill(ing) of microwave Bone China through oversintering postcooling, the coefficient of thermal expansion of whisker wants high compared to individual aluminium silicate salt, thus whisker can expand slow merisis at normal temperatures, the stomata in ceramics can be effectively reduced, to improve the compactness and toughness of sintered body, the viscosity of slurry after washing and can reduce ceramic grout except alkali, keep slurry more stable, mobility improves, therefore its firing temperature is lower than original powder, effectively reduce vitrification point, it has a extensive future.

Description

It is a kind of can microwave heating Bone China preparation method

Technical field

The invention discloses it is a kind of can microwave heating Bone China preparation method, belong to Bone China preparing technical field.

Background technology

China is generally acknowledged in the world most high-grade porcelain kind, and Bone China is in sintering procedure, to its regularity, pure white The all physical and chemical index such as degree, transparency, thermal stability is required to high, and thus rejection rate is very high.Due to selected material, make essence Carefully, standard is stringent, so value is higher than other porcelain kinds.The addition of unique sintering procedure and bone carbon makes the impurity quilt in china clay It eliminates, china seems pure whiter, fine and smooth, penetrating, light and handy, few flaw, and thinner than general porcelain, visually there is a kind of spy Different clean feel, intensity are higher than general porcelain, are twice of domestic porcelain.The content of bone meal is higher, and the ingredient of clay is with regard to opposite It reduces, more easily hardening cracks in the production process, higher technology is needed in forming, increase firing difficulty, so more precious It is expensive.

Bone China original claims bone china, is a kind of high-grade porcelain kind for rising in Britain 18th century；Mainly by animal bone ash, porcelain The raw materials such as stone, clay are prepared.Bone China porcelain is fine and smooth, and glaze is smooth, gloss is soft, with higher transparency and centainly Mechanical strength；And possess the good reputation of " thin as a piece of paper, bright as mirror, white as a jade, sound such as use up ".It is most high-grade as what is generally acknowledged in the world Household china, application is quite extensive, such as tableware, tea set, vase, deep to be favored by consumers in general.

The raw materials such as animal bone ash, clay, silica, the feldspar that the raw material that Bone China uses is usually known are produced at present It is prepared, product is made by high temperature biscuiting, low temperature sinter double-firing process, and the predominant crystal of porcelain mutually has phosphorus after firing In addition sour tricalcium, anorthite and a small amount of quartz crystal also contain a small amount of glass phase, due to the refractive index phase between each object phase Closely, thus the light transmission of porcelain body is preferable, but due to there is phosphatic presence in Bone China, and content is higher, keeps its bending resistance strong Degree and thermal shock resistance are relatively low.

With the improvement of living standards, people not only propose higher requirement to the visual effect of Bone China, but also to it Intensity and thermal shock resistance have newer requirement, microwave current stove to be widely used, and higher is proposed to the thermal shock resistance of Bone China It is required that although in addition Bone China visual effect is preferable, brittleness is very big, and sclerotin ceramics are but very low to microwave absorbability, no Conducive to microwave heating.

Therefore, invention one kind can microwave heating Bone China to Bone China preparing technical field have positive effect.

Invention content

Present invention mainly solves the technical issues of, for being widely used for microwave current stove, to the thermal shock resistance of Bone China It can propose requirements at the higher level, although in addition Bone China visual effect is preferable, brittleness is very big, and sclerotin ceramics are to microwave absorbability But very low, be unfavorable for the defect of microwave heating, provide it is a kind of can microwave heating Bone China preparation method.

In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：

It is a kind of can microwave heating Bone China preparation method, it is characterised in that specific preparation process is：

（1）400~500g deglued bones are put into calcining furnace, heat temperature raising, heat preservation calcining obtains degelatinized bone meal, by deglued bone Powder pours into ball milling in ball grinder after being mixed with water, obtain pulp, and pulp is eluriated repeatedly with water, dealkalize pulp is obtained, by dealkalize Pulp, which is placed in baking oven, is dried to obtain dealkalize bone meal；

（2）70~80g kyanite ores in sand form are placed in ball grinder, agate ball milling pearl are added, ball milling obtains aquamaine mountain flour, by aquamaine Mountain flour, which mixes to be put into ball grinder with aluminum fluoride trihydrate, continues ball milling, obtains mixed mineral powder, mixed mineral powder is put into corundum crucible In, heat temperature raising, heat preservation calcining obtains mullite；

（3）Mullite is put into mortar and is ground up, sieved to obtain Mullite Powder, 60~70g Mullite Powders are put into 200~ In 300mL Ludox, it is transferred in high-speed shearing machine and shears after being dispersed with stirring；

（4）40~50mL aluminum nitrate solutions are added into above-mentioned high-speed shearing machine, add pH in ammonia water conditioning system, continue high Speed shearing, it is still aging, obtain precursor sol；

（5）Precursor sol is placed in supercentrifuge high speed centrifugal treating, supernatant liquor is removed, obtains lower sediment, it will Precipitation is washed 3~4 times with distilled water, absolute ethyl alcohol successively, then the precipitation after washing is mixed dispersion with n-butanol, is put into ventilation It is dry in drying box, obtain precursor powder；

（6）Count in parts by weight, by 20~30 parts of precursor powders, 40~50 parts of dealkalize bone meal, 8~10 parts of kaolin, 0.1~ 0.3 part of sodium citrate, 4~5 parts of sodium silicate solutions, 10~15 parts of titanium dioxide mixing, are placed in high speed dispersor and disperse, obtain base Blank progress injection forming, repaired biscuit are obtained green body, green body are placed in LPG fired shuttle, porcelain, natural cooling are sintered by material Being obtained after to room temperature can microwave heating Bone China.

Step（1）The green bone of the deglued bone is pig bone or ox bone, and temperature is 200~300 DEG C after heat temperature raising, heat preservation Calcination time is 40~50min, and degelatinized bone meal is 1 ︰ 2 with water mixing quality ratio, and rotational speed of ball-mill is 300~400r/min, ball milling Time is 14~15h, and pH is 7~8 after pulp water is eluriated repeatedly, and baking oven set temperature is 70~80 DEG C, drying time for 4~ 5h。

Step（2）The grain size of the agate ball milling pearl be 6~8mm, Ball-milling Time be 30~45min, aquamaine mountain flour with Aluminum fluoride trihydrate mixing quality ratio is 3 ︰ 1, and continuations Ball-milling Time is 1~2h, and temperature is 1550~1600 DEG C after heat temperature raising, guarantor Warm calcination time is 4~5h.

Step（3）The milling time is 3~4h, and be sieved specification is 200 mesh, and Ludox mass fraction is 25%, is stirred It is 10~15min to mix jitter time, and high speed shear rotating speed is 4000~5000r/min, and the high speed shear time is 10~15min.

Step（4）The mass fraction of the aluminum nitrate solution is 10%, and ammonium hydroxide mass fraction is 50%, pH in regulation system Be 9~10, the continuation high speed shear time be 15~20min, the still aging time be 20~for 24 hours.Step（5）The centrifugation turns Speed is 7000~8000r/min, and high speed centrifugation processing time is 10~15min, and the precipitation after washing mixes dispersion with n-butanol When mass ratio be 1 ︰ 5, aeration cabinet set temperature be 100~110 DEG C, drying time be 2~3h.

Step（6）The mass fraction of the sodium silicate solution is 10%, and high speed dispersor rotating speed is 4000~5000r/ Min, jitter time are 10~15min, and porcelain temperature is 1300~1350 DEG C, and the sintering porcelain time is 10~12h.

The beneficial effects of the invention are as follows：

（1）The present invention obtains degelatinized bone meal using deglued bone as raw material after calcining, and pulp is obtained by wet-milling, then by pulp water It is dried to obtain dealkalize bone meal after eluriating dealkalize, aquamaine mountain flour is obtained with kyanite ore in sand form ball milling, then by aquamaine mountain flour and three water fluorine Change aluminium mixing and ball milling, calcining obtains mullite, continue by mullite pulverize it is last be scattered in Ludox, aluminum nitrate is added Solution, by high speed shear, ageing obtain precursor sol, precursor sol centrifugal treating is precipitated, it is washed, with just Butanol mixing dispersion is dried to obtain mullite precursor powder, finally by precursor powder, dealkalize bone meal, kaolin, citric acid The mixing such as sodium, sodium silicate solution, titanium dioxide disperse, and injection forming obtains green body, and being obtained through oversintering porcelain can microwave heating bone Matter porcelain, since precursor powder can play cohesive toughening effect, to keep away in ceramic post sintering swelling early period to infiltration of ambient Exempt from that craze and transfiguration occurs when Bone China sinter molding, raw materials used aquamaine mountain flour is formed by sintering, the fracture of silica silicon key CaSiO₃And MgCaSi₂O₆Mixed phase, be mostly the different CaSiO of structure between neighboring die₃And MgCaSi₂O₆Phase, crystal grain is not Easy agglomeration is in blocks, the stomata in ceramics can be effectively reduced, to improve the compactness of sintered body, additionally, due to this hair Neighboring die structure is different in bright sclerotin ceramics, can be adjacent under microwave heating Bone China heating condition when high-frequency microwave vibrates Different resonance occurs for crystal grain, and natural reonant frequency is different, reduces microwave resonance, make can microwave heating Bone China in microwave heating When reduce to the energy loss of high-frequency microwave, improve the efficiency of heating surface；

（2）The present invention can grow mullite crystalline substance by colloidal sol in the micro-drill(ing) of microwave heating Bone China through oversintering postcooling Must, the coefficient of thermal expansion of whisker wants high compared to individual aluminium silicate salt, thus whisker can expand slow merisis at normal temperatures, Spread the brilliant silk of growth to surrounding, make can the aluminium oxide particles of microwave heating Bone China wound by brilliant silk, influenced by shock loading When, brilliant silk can bear most of impact forces, and impact force is converted into can be in microwave heating Bone China when internal stress, and brilliant silk is conducive to Internal stress is evenly distributed, and the relative displacement between aluminium oxide and crystalline silicates is made to reduce, and brilliant silk can inhibit crystal grain to assemble It grows up, the stomata in ceramics can be effectively reduced, to improve the compactness and toughness of sintered body, making can microwave heating sclerotin Crystal grain distribution is uniform in porcelain, and crystal grain distribution is fine and close, mechanical strength enhancing, after ball milling bone meal due to particle it is smaller, powder active Height, the viscosity of slurry, keeps slurry more stable after washing and can reduce ceramic grout except alkali, and mobility improves, therefore it burns It is lower than original powder at temperature, vitrification point is effectively reduced, is had a extensive future.

Specific implementation mode

400~500g deglued bones are put into calcining furnace, are heated to 200~300 DEG C, heat preservation 40~50min of calcining, Degelatinized bone meal is obtained, ball milling in ball grinder is poured into after degelatinized bone meal is mixed for 1 ︰ 2 in mass ratio with water, with 300~400r/ Rotating speed 14~15h of ball milling of min, obtains pulp, and it is 7~8 that pulp, which is eluriated repeatedly with water to pH, obtains dealkalize pulp, will take off Alkali pulp is placed in dry 4~5h in the baking oven that set temperature is 70~80 DEG C and obtains dealkalize bone meal；By 70~80g kyanite ores in sand form It is placed in ball grinder, the agate ball milling pearl that grain size is 6~8mm is added, 30~45min of ball milling obtains aquamaine mountain flour, by kyanite Powder mixes in mass ratio for 3 ︰ 1 with aluminum fluoride trihydrate and is put into continuation 1~2h of ball milling in ball grinder, obtains mixed mineral powder, will mix Miberal powder is put into corundum crucible, is heated to 1550~1600 DEG C, and heat preservation 4~5h of calcining obtains mullite；Mullite is put Enter 3~4h of grinding in mortar, crosses 200 mesh and sieve to obtain Mullite Powder, 60~70g Mullite Powders are put into 200~300mL matter It measures in the Ludox that score is 25%, is transferred in high-speed shearing machine with 4000~5000r/min after being dispersed with stirring 10~15min 10~15min of rotating speed high speed shear；It is molten that the aluminum nitrate that 40~50mL mass fractions are 10% is added into above-mentioned high-speed shearing machine Liquid, it is 9~10 to add pH in the ammonia water conditioning system that mass fraction is 50%, continues 15~20min of high speed shear, is stood old Change 20~for 24 hours, obtain precursor sol；Precursor sol is placed in supercentrifuge, with the rotating speed of 7000~8000r/min High speed centrifugation handles 10~15min, removes supernatant liquor, obtains lower sediment, and precipitation is washed with distilled water, absolute ethyl alcohol successively It washs 3~4 times, then the precipitation after washing is mixed into dispersion for 1 ︰ 5 in mass ratio with n-butanol, it is 100~110 to be put into set temperature DEG C aeration cabinet in, dry 2~3h obtains precursor powder；Count in parts by weight, by 20~30 parts of precursor powders, The sodium metasilicate that 40~50 parts of dealkalize bone meal, 8~10 parts of kaolin, 0.1~0.3 part of sodium citrate, 4~5 parts of mass fractions are 10% Solution, 10~15 parts of titanium dioxide mixing, are placed in high speed dispersor the rotating speed with 4000~5000r/min and disperse 10~15min, Blank is obtained, blank, which is carried out injection forming, repaired biscuit, obtains green body, and green body is placed in LPG fired shuttle, with 1300~ 1350 DEG C, it is sintered 10~12h of porcelainization, being obtained after cooled to room temperature can microwave heating Bone China.

Example 1

400g deglued bones are put into calcining furnace, are heated to 200 DEG C, heat preservation calcining 40min obtains degelatinized bone meal, will take off Glue bone meal is to pour into ball milling in ball grinder after 1 ︰ 2 is mixed in mass ratio with water, with the rotating speed ball milling 14h of 300r/min, obtains bone Slurry, it is 7 that pulp, which is eluriated repeatedly with water to pH, obtains dealkalize pulp, and dealkalize pulp is placed in the baking oven that set temperature is 70 DEG C Middle dry 45h obtains dealkalize bone meal；70g kyanite ores in sand form are placed in ball grinder, the agate ball milling pearl that grain size is 6mm is added, Ball milling 30min obtains aquamaine mountain flour, and aquamaine mountain flour is mixed for 3 ︰ 1 in mass ratio with aluminum fluoride trihydrate and is put into ball grinder relaying Continuous ball milling 1h, obtains mixed mineral powder, mixed mineral powder is put into corundum crucible, is heated to 1550 DEG C, and heat preservation calcining 4h is obtained To mullite；Mullite is put into mortar and grinds 3h, 200 mesh is crossed and sieves to obtain Mullite Powder, 60g Mullite Powders are put into 200mL mass fractions are turned in 25% Ludox, to be dispersed with stirring to be transferred in high-speed shearing machine after 10min with 4000r/min Fast high speed shear 10min；The aluminum nitrate solution that 40mL mass fractions are 10% is added into above-mentioned high-speed shearing machine, adds matter It is 9 to measure pH in the ammonia water conditioning system that score is 50%, continues high speed shear 15min, still aging 20h and it is molten to obtain presoma Glue；Precursor sol is placed in supercentrifuge, 10min is handled with the rotating speed high speed centrifugation of 7000r/min, removal upper layer is clear Liquid obtains lower sediment, precipitation is washed 3 times with distilled water, absolute ethyl alcohol successively, then the precipitation after washing is pressed with n-butanol Mass ratio is 1 ︰ 5 mixing dispersions, is put into the aeration cabinet that set temperature is 100 DEG C, and dry 2h obtains precursor powder； It counts in parts by weight, by 20 parts of precursor powders, 40 parts of dealkalize bone meal, 8 parts of kaolin, 0.1 part of sodium citrate, 4 parts of quality point The sodium silicate solution for 10%, 10 parts of titanium dioxides mixing are counted, the rotating speed dispersion with 4000r/min is placed in high speed dispersor 10min obtains blank, and blank progress injection forming, repaired biscuit are obtained green body, green body is placed in LPG fired shuttle, with 1300 DEG C, it is sintered porcelain 10h, being obtained after cooled to room temperature can microwave heating Bone China.

Example 2

450g deglued bones are put into calcining furnace, are heated to 250 DEG C, heat preservation calcining 45min obtains degelatinized bone meal, will take off Glue bone meal is to pour into ball milling in ball grinder after 1 ︰ 2 is mixed in mass ratio with water, with the rotating speed ball milling 14.5h of 350r/min, is obtained Pulp, it is 7 that pulp, which is eluriated repeatedly with water to pH, obtains dealkalize pulp, and dealkalize pulp is placed in the baking that set temperature is 75 DEG C Dry 4.5h obtains dealkalize bone meal in case；75g kyanite ores in sand form are placed in ball grinder, the agate ball milling that grain size is 7mm is added Pearl, ball milling 40min obtain aquamaine mountain flour, and aquamaine mountain flour is mixed for 3 ︰ 1 in mass ratio with aluminum fluoride trihydrate and is put into ball grinder Continue ball milling 1.5h, obtain mixed mineral powder, mixed mineral powder is put into corundum crucible, is heated to 1570 DEG C, heat preservation calcining 4.5h obtains mullite；Mullite is put into mortar and grinds 3.5h, 200 mesh is crossed and sieves to obtain Mullite Powder, 65g is not come Stone powder is put into the Ludox that 250mL mass fractions are 25%, be dispersed with stirring after 12min be transferred in high-speed shearing machine with The rotating speed high speed shear 12min of 4500r/min；The aluminum nitrate that 45mL mass fractions are 10% is added into above-mentioned high-speed shearing machine Solution, it is 9 to add pH in the ammonia water conditioning system that mass fraction is 50%, continues high speed shear 17min, still aging 22h, Obtain precursor sol；Precursor sol is placed in supercentrifuge, is handled with the rotating speed high speed centrifugation of 7500r/min 12min removes supernatant liquor, obtains lower sediment, and precipitation is washed 3 times with distilled water, absolute ethyl alcohol successively, then will be after washing Precipitation and n-butanol be that 1 ︰ 5 mix dispersion in mass ratio, be put into set temperature in 105 DEG C of aeration cabinet, to dry 2.5h obtains precursor powder；It counts in parts by weight, by 25 parts of precursor powders, 45 parts of dealkalize bone meal, 9 parts of kaolin, 0.2 Sodium silicate solution that part sodium citrate, 4 parts of mass fractions are 10%, 12 parts of titanium dioxides mixing, be placed in high speed dispersor with The rotating speed of 4500r/min disperses 12min, obtains blank, and blank progress injection forming, repaired biscuit are obtained green body, green body is placed in In LPG fired shuttle, with 1320 DEG C, it is sintered porcelain 11h, being obtained after cooled to room temperature can microwave heating Bone China.

Example 3

500g deglued bones are put into calcining furnace, are heated to 300 DEG C, heat preservation calcining 50min obtains degelatinized bone meal, will take off Glue bone meal is to pour into ball milling in ball grinder after 1 ︰ 2 is mixed in mass ratio with water, with the rotating speed ball milling 15h of 400r/min, obtains bone Slurry, it is 8 that pulp, which is eluriated repeatedly with water to pH, obtains dealkalize pulp, and dealkalize pulp is placed in the baking oven that set temperature is 80 DEG C Middle dry 5h obtains dealkalize bone meal；80g kyanite ores in sand form are placed in ball grinder, the agate ball milling pearl that grain size is 8mm, ball is added 45min is ground, aquamaine mountain flour is obtained, aquamaine mountain flour is mixed to be put into ball grinder for 3 ︰ 1 in mass ratio with aluminum fluoride trihydrate and is continued Ball milling 2h, obtains mixed mineral powder, and mixed mineral powder is put into corundum crucible, is heated to 1600 DEG C, and heat preservation calcining 5h is obtained Mullite；Mullite is put into mortar and grinds 4h, 200 mesh is crossed and sieves to obtain Mullite Powder, 70g Mullite Powders are put into 300mL mass fractions are turned in 25% Ludox, to be dispersed with stirring to be transferred in high-speed shearing machine after 15min with 5000r/min Fast high speed shear 15min；The aluminum nitrate solution that 50mL mass fractions are 10% is added into above-mentioned high-speed shearing machine, adds matter It is 10 to measure pH in the ammonia water conditioning system that score is 50%, continues high speed shear 20min, it is still aging for 24 hours, it is molten to obtain presoma Glue；Precursor sol is placed in supercentrifuge, 15min is handled with the rotating speed high speed centrifugation of 8000r/min, removal upper layer is clear Liquid obtains lower sediment, precipitation is washed 4 times with distilled water, absolute ethyl alcohol successively, then the precipitation after washing is pressed with n-butanol Mass ratio is 1 ︰ 5 mixing dispersions, is put into the aeration cabinet that set temperature is 110 DEG C, and dry 3h obtains precursor powder； It counts in parts by weight, by 30 parts of precursor powders, 50 parts of dealkalize bone meal, 10 parts of kaolin, 0.3 part of sodium citrate, 5 parts of quality point The sodium silicate solution for 10%, 15 parts of titanium dioxides mixing are counted, the rotating speed dispersion with 5000r/min is placed in high speed dispersor 15min obtains blank, and blank progress injection forming, repaired biscuit are obtained green body, green body is placed in LPG fired shuttle, with 1350 DEG C, it is sintered porcelain 12h, being obtained after cooled to room temperature can microwave heating Bone China.

Comparative example

With Tangshan company production can microwave heating Bone China as a comparison case to it is produced by the present invention can microwave heating sclerotin In porcelain and comparative example can microwave heating Bone China carry out performance detection, testing result is as shown in table 1：

Test method：

Flexural strength test is detected using flexural strength tester；

Bending strength test is detected by 4741 standards of GB/T；

Visible light transmittance test is detected using visible light transmittance tester；

Thermal shock resistance is tested：By the Bone China in example 1~3 and comparative example after 200 DEG C to 20 DEG C heat exchanges five times, table is observed Face bursts situation.

1 Bone China performance measurement result of table

According to data among the above it is produced by the present invention can microwave heating Bone China intensity it is high, good visual effect, thermal shock resistance Can be good, through 200 DEG C to 20 DEG C heat exchanges, five flawlesses, have broad application prospects.

Claims

1. it is a kind of can microwave heating Bone China preparation method, it is characterised in that specific preparation process is：

2. it is according to claim 1 it is a kind of can microwave heating Bone China preparation method, it is characterised in that：Step（1）Institute The green bone for the deglued bone stated is pig bone or ox bone, and temperature is 200~300 DEG C after heat temperature raising, heat preservation calcination time is 40~ 50min, degelatinized bone meal are 1 ︰ 2 with water mixing quality ratio, and rotational speed of ball-mill is 300~400r/min, and Ball-milling Time is 14~15h, PH is 7~8 after pulp water is eluriated repeatedly, and baking oven set temperature is 70~80 DEG C, and drying time is 4~5h.

3. it is according to claim 1 it is a kind of can microwave heating Bone China preparation method, it is characterised in that：Step（2）Institute The grain size for the agate ball milling pearl stated is 6~8mm, and Ball-milling Time is 30~45min, aquamaine mountain flour and aluminum fluoride trihydrate mixing quality Than for 3 ︰ 1, continuation Ball-milling Time is 1~2h, and temperature is 1550~1600 DEG C after heat temperature raising, and heat preservation calcination time is 4~5h.

4. it is according to claim 1 it is a kind of can microwave heating Bone China preparation method, it is characterised in that：Step（3）Institute The milling time stated is 3~4h, and be sieved specification is 200 mesh, and Ludox mass fraction is 25%, be dispersed with stirring the time for 10~ 15min, high speed shear rotating speed are 4000~5000r/min, and the high speed shear time is 10~15min.

5. it is according to claim 1 it is a kind of can microwave heating Bone China preparation method, it is characterised in that：Step（4）Institute The mass fraction for the aluminum nitrate solution stated is 10%, and ammonium hydroxide mass fraction is 50%, and pH is 9~10 in regulation system, continues high speed Shear time be 15~20min, the still aging time be 20~for 24 hours.

6. it is according to claim 1 it is a kind of can microwave heating Bone China preparation method, it is characterised in that：Step（5）Institute The centrifugal rotational speed stated is 7000~8000r/min, and high speed centrifugation processing time is 10~15min, the precipitation after washing and positive fourth Mass ratio is 1 ︰ 5 when alcohol mixing dispersion, and aeration cabinet set temperature is 100~110 DEG C, and drying time is 2~3h.

7. it is according to claim 1 it is a kind of can microwave heating Bone China preparation method, it is characterised in that：Step（6）Institute The mass fraction for the sodium silicate solution stated be 10%, high speed dispersor rotating speed be 4000~5000r/min, jitter time be 10~ 15min, porcelain temperature are 1300~1350 DEG C, and the sintering porcelain time is 10~12h.