CN104961434A - High impact resistant ceramic ware and preparation method thereof - Google Patents

Abstract

The invention discloses a high impact resistant ceramic ware and a preparation method thereof. The high impact resistant ceramic ware is prepared from the following raw materials by weight part: 25-37 of quartzite, 18-26 of germanite, 12-19 of garnet, 22-34 of nacrite, 8-16 of opal, 10-15 of attapulgite, 14-22 of silicon boride, 12-18 of barium molybdate, 10-15 of glass fiber, 4-8 of cobalt chromium tungsten alloy powder, 2-3 of sodium stearate, 4-6 of calcium gluconate, 6-9 of nano-antibacterial powder. The ceramic ware provided by the invention is added with boron silicon, cobalt chromium tungsten alloy powder, barium molybdate, glass fiber and other raw materials to enhance the mechanical properties and improve the impact resistance, and has very high hardness and good strength, so that the ceramic ware is not easy to break under external force impact, is durable, and can produce enormous economic benefits.

Description

A kind of high impact-resistant pottery and preparation method thereof

Technical field

The present invention relates to a kind of high impact-resistant pottery and preparation method thereof, belong to stupalith field.

Background technology

Pottery is the general name of pottery and porcelain, the various goods being the material that main raw material is mixing, shaping through pulverizing and calcining is obtained with natural clay and various natural mineral.China is one of country applying pottery in the world the earliest, and pottery, because of features such as its quality are hard, fine and closely woven, forbid, high temperature resistant, glaze colours is abundant, is widely used in the fields such as feeder, decoration, science.Wherein pottery is used till today as daily utensil and because of its practicality and taste.Even to this day, due to the progress of science and technology, many materials that can replace porcelain utensils are there is, as stainless steel, plastics etc., compared with the vessel made with these materials, traditional ceramics vessel also also exist the shortcoming of shock resistance difference, easily broken under external force shock action, also there is the shortcoming of antibacterial bacteriostatic performance difference in pottery in the market in addition, easily grows a large amount of bacterium.Therefore, a kind of brand-new pottery of exploitation is badly in need of, to improve the performance of pottery.

Summary of the invention

The object of the invention is to for the deficiencies in the prior art, a kind of high impact-resistant pottery and preparation method thereof is provided.

For achieving the above object, the technical solution used in the present invention is as follows:

A kind of high impact-resistant pottery, is made up of the raw material of following weight part: quartzite 25-37, germanite 18-26, garnet 12-19, nakrite 22-34, opal 8-16, attapulgite 10-15, silicon boride 14-22, barium molybdate 12-18, glass fibre 10-15, cobalt-chromium-tungsten alloy powder 4-8, sodium stearate 2-3, calglucon 4-6, nano-antibacterial powder 6-9;

The preparation method of described nano-antibacterial powder is as follows: (1) gets the raw material of following weight part: bamboo charcoal powder 5-10, zeolite molecular sieve 4-8, tetrabutyl titanate 15-20, dehydrated alcohol 60-80, distilled water 3-5, Glacial acetic acid 10-15, Silver Nitrate 8-12, zinc nitrate 5-10; (2) tetrabutyl titanate is mixed with the dehydrated alcohol accounting for alcohol total amount 50-60%, magnetic agitation 20-30min, obtain mixed liquor A; (3) distilled water, Glacial acetic acid and remaining dehydrated alcohol are mixed, magnetic agitation 15-20min, obtains mixed liquid B; (4) under magnetic stirring, mixed liquid B is dropwise joined in mixed liquor A, after dripping, add bamboo charcoal powder and zeolite molecular sieve, ultrasonic agitation 0.5-1h, at room temperature leave standstill 24-48h again, by the gel dry 12-18h at 65-75 DEG C obtained, grind into powder; (5) above-mentioned obtained powder is put into retort furnace, at 480-560 DEG C, thermal treatment 1-2h, cools to normal temperature with the furnace, pulverizes, sieves and obtain required nano-antibacterial powder.

A preparation method for high impact-resistant pottery, comprises the following steps:

(1) get quartzite, garnet, opal, attapulgite mix, pulverize, cross 100-150 mesh sieve, add water and make the slurries of 50-60%, wet ball grinding 1-2h under the rotating speed of 1000-1500r/min, spraying dry, 650-750 DEG C of calcining 35-45min, continue to be warming up to 1260-1320 DEG C, take out and shrend after calcining 1-2h, dry, pulverize, cross 150-200 mesh sieve, stand-by;

(2) get germanite, nakrite mixes, pulverize, cross 80-120 mesh sieve, add appropriate water making beating and make the slurries that concentration is 55-65%, then slurries PH to 6-6.5 is regulated with 15% hydrochloric acid soln, microwave treatment 20-30min, then regulate slurries PH to 7.5-8 with 15% sodium hydroxide solution, ultrasonication 25-35min, filter, filter residue is washed with distilled water to neutrality, dries, stand-by;

(3) powder obtained to above-mentioned steps (1) and step (2) and surplus stock are added in mixer be uniformly mixed 4-6min, then the solid content adding compound weight 3-4% is the water glass mixing 35-45min of 40%, leaves standstill 15-20h;

(4) powder that step (3) is obtained is delivered to forming machine compression moulding under 85-90MPa, then the adobe suppressed is delivered in dry kiln and be dried to water content lower than 3%;

(5) leaching glaze is carried out to the dry body that step (4) obtains, then carry out atmosphere sintering process: first at the N of 2-4MPa ₂under atmosphere with the ramp of 7-9 DEG C/min to 980-1040 DEG C, insulation 1-2h, then at the H of 2-3MPa ₂be cooled to 520-570 DEG C with the speed of 2-4 DEG C/min under atmosphere, insulation 0.5-1h, then at the N of 3-5MPa ₂under atmosphere with the ramp of 4-6 DEG C/min to 1180-1260 DEG C, insulation 2-3h, then is cooled to 640-690 DEG C with the speed of 3-5 DEG C/min under the Ar atmosphere of 2-3MPa, and insulation 0.5-1h, cool to normal temperature with the furnace, packaging gets product.

Above-mentioned nano-antibacterial powder is with bamboo charcoal powder, zeolite molecular sieve for carrier, with Ag ⁺, Zn ²⁺for the modified Nano TiO that doping particle prepares ₂powder, safety and environmental protection, nontoxic, tasteless, nonirritant, not only there is excellent broad spectrum antibacterial performance, to comprise bacterium, fungi, mycoplasma multiple pathogens have and well suppress or killing action, sterilizing rate reaches more than 98%, has the effects such as deodorizing, fresh-keeping, Adsorption of Heavy Metal Ions simultaneously, also there is good anti-ultraviolet aging and thermotolerance, do not decompose under high temperature and intensive ultraviolet, non-volatile, nondiscoloration, to never degenerate.

Beneficial effect of the present invention:

With the addition of the raw materials such as silicon boride, cobalt-chromium-tungsten alloy powder, barium molybdate, glass fibre in pottery of the present invention, enhance its mechanical property, improve its shock resistance, possesses very high intensity and good intensity, make it not easily broken under external impacts, durable in use, very large economic benefit can be produced.

Embodiment

A kind of high impact-resistant pottery, is made up of the raw material of following weight (kg): quartzite 31, germanite 22, garnet 16, nakrite 28, opal 12, attapulgite 13, silicon boride 18, barium molybdate 16, glass fibre 12, cobalt-chromium-tungsten alloy powder 6, sodium stearate 2.5, calglucon 5, nano-antibacterial powder 7;

The preparation method of described nano-antibacterial powder is as follows: (1) gets the raw material of following weight part: bamboo charcoal powder 6, zeolite molecular sieve 6, tetrabutyl titanate 15, dehydrated alcohol 65, distilled water 3.5, Glacial acetic acid 11, Silver Nitrate 9, zinc nitrate 6; (2) tetrabutyl titanate is mixed with the dehydrated alcohol accounting for alcohol total amount 52%, magnetic agitation 25min, obtain mixed liquor A; (3) distilled water, Glacial acetic acid and remaining dehydrated alcohol are mixed, magnetic agitation 16min, obtains mixed liquid B; (4) under magnetic stirring, mixed liquid B is dropwise joined in mixed liquor A, add bamboo charcoal powder and zeolite molecular sieve after dripping, ultrasonic agitation 0.5h, more at room temperature leave standstill 24h, by the gel dry 18h at 65 DEG C obtained, grind into powder; (5) above-mentioned obtained powder is put into retort furnace, at 550 DEG C, thermal treatment 1h, cools to normal temperature with the furnace, pulverizes, sieves and obtain required nano-antibacterial powder.

A preparation method for high impact-resistant pottery, comprises the following steps:

(1) get quartzite, garnet, opal, attapulgite mix, pulverize, cross 100 mesh sieves, add water make 50% slurries, wet ball grinding 2h under the rotating speed of 1000r/min, spraying dry, 680 DEG C of calcining 45min, continue to be warming up to 1280 DEG C, take out and shrend after calcining 1.5h, dry, pulverize, cross 150 mesh sieves, stand-by;

(2) get germanite, nakrite mixes, pulverize, cross 100 mesh sieves, add appropriate water making beating and make the slurries that concentration is 60%, then slurries PH to 6.5 is regulated with 15% hydrochloric acid soln, microwave treatment 30min, then regulate slurries PH to 8 with 15% sodium hydroxide solution, ultrasonication 25min, filter, filter residue is washed with distilled water to neutrality, dries, stand-by;

(3) powder obtained to above-mentioned steps (1) and step (2) and surplus stock are added in mixer be uniformly mixed 6min, then the solid content adding compound weight 3.5% is the water glass mixing 40min of 40%, leaves standstill 18h;

(4) powder that step (3) is obtained is delivered to forming machine compression moulding under 88MPa, then the adobe suppressed is delivered in dry kiln and be dried to water content lower than 3%;

(5) leaching glaze is carried out to the dry body that step (4) obtains, then carry out atmosphere sintering process: first at the N of 3MPa ₂with the ramp to 1020 DEG C of 8 DEG C/min under atmosphere, insulation 1.5h, then at the H of 2MPa ₂be cooled to 550 DEG C with the speed of 3 DEG C/min under atmosphere, insulation 0.5h, then at the N of 4MPa ₂with the ramp to 1230 DEG C of 5 DEG C/min under atmosphere, insulation 2.5h, then 660 DEG C are cooled to the speed of 4 DEG C/min under the Ar atmosphere of 2MPa, insulation 0.5h, cool to normal temperature with the furnace, packaging gets product.

The pottery salient features that above-described embodiment is produced is as shown in the table:

Project	Unit	Detected result
			Strength at break	N	2246
The modulus of rupture	MPa	39
			Impelling strength	kJ/m 2	24
Sterilizing rate	％	98.5

Claims (2)

1. a high impact-resistant pottery, it is characterized in that, be made up of the raw material of following weight part: quartzite 25-37, germanite 18-26, garnet 12-19, nakrite 22-34, opal 8-16, attapulgite 10-15, silicon boride 14-22, barium molybdate 12-18, glass fibre 10-15, cobalt-chromium-tungsten alloy powder 4-8, sodium stearate 2-3, calglucon 4-6, nano-antibacterial powder 6-9;

The preparation method of described nano-antibacterial powder is as follows: (1) gets the raw material of following weight part: bamboo charcoal powder 5-10, zeolite molecular sieve 4-8, tetrabutyl titanate 15-20, dehydrated alcohol 60-80, distilled water 3-5, Glacial acetic acid 10-15, Silver Nitrate 8-12, zinc nitrate 5-10; (2) tetrabutyl titanate is mixed with the dehydrated alcohol accounting for alcohol total amount 50-60%, magnetic agitation 20-30min, obtain mixed liquor A; (3) distilled water, Glacial acetic acid and remaining dehydrated alcohol are mixed, magnetic agitation 15-20min, obtains mixed liquid B; (4) under magnetic stirring, mixed liquid B is dropwise joined in mixed liquor A, after dripping, add bamboo charcoal powder and zeolite molecular sieve, ultrasonic agitation 0.5-1h, at room temperature leave standstill 24-48h again, by the gel dry 12-18h at 65-75 DEG C obtained, grind into powder; (5) above-mentioned obtained powder is put into retort furnace, at 480-560 DEG C, thermal treatment 1-2h, cools to normal temperature with the furnace, pulverizes, sieves and obtain required nano-antibacterial powder.

2. a preparation method for high impact-resistant pottery as claimed in claim 1, is characterized in that comprising the following steps:

(1) get quartzite, garnet, opal, attapulgite mix, pulverize, cross 100-150 mesh sieve, add water and make the slurries of 50-60%, wet ball grinding 1-2h under the rotating speed of 1000-1500r/min, spraying dry, 650-750 DEG C of calcining 35-45min, continue to be warming up to 1260-1320 DEG C, take out and shrend after calcining 1-2h, dry, pulverize, cross 150-200 mesh sieve, stand-by;

(2) get germanite, nakrite mixes, pulverize, cross 80-120 mesh sieve, add appropriate water making beating and make the slurries that concentration is 55-65%, then slurries PH to 6-6.5 is regulated with 15% hydrochloric acid soln, microwave treatment 20-30min, then regulate slurries PH to 7.5-8 with 15% sodium hydroxide solution, ultrasonication 25-35min, filter, filter residue is washed with distilled water to neutrality, dries, stand-by;

(3) powder obtained to above-mentioned steps (1) and step (2) and surplus stock are added in mixer and be uniformly mixed 4-6min, the solid content then adding compound weight 3-4% is the water glass mixing 35-45min of 40%, standing 15-20h;

(4) powder that step (3) is obtained is delivered to forming machine compression moulding under 85-90MPa, then the adobe suppressed is delivered in dry kiln and be dried to water content lower than 3%;

(5) leaching glaze is carried out to the dry body that step (4) obtains, then carry out atmosphere sintering process: first at the N of 2-4MPa ₂under atmosphere with the ramp of 7-9 DEG C/min to 980-1040 DEG C, insulation 1-2h, then at the H of 2-3MPa ₂be cooled to 520-570 DEG C with the speed of 2-4 DEG C/min under atmosphere, insulation 0.5-1h, then at the N of 3-5MPa ₂under atmosphere with the ramp of 4-6 DEG C/min to 1180-1260 DEG C, insulation 2-3h, then is cooled to 640-690 DEG C with the speed of 3-5 DEG C/min under the Ar atmosphere of 2-3MPa, and insulation 0.5-1h, cool to normal temperature with the furnace, packaging gets product.