CN104926279A - Production method for antimicrobial ceramic - Google Patents
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Abstract
The invention provides a production method for an antimicrobial ceramic. A boron element is used as an antimicrobial factor, rational proportioning of all components is conducted to form raw materials for preparing the ceramic, the antimicrobial factor is released for a long time by the overall finished product ceramic, and the finished product ceramic has the effects of remarkably resisting bacteria and sterilizing for a long time, and overcome the defects of complex process, high cost, and poor and temporary antimicrobial effect, which are caused by a conventional antimicrobial way; in the actual production, industrial waste boric sludge can be used as a boron element raw material, the use amount is large, the waste utilization effect is remarkable, and the boric sludge pollution problem is solved, so that the processing step is clear and concise, and novel antimicrobial ceramic can be efficiently prepared; the produced antimicrobial ceramic has the lasting antimicrobial effect, solves the problem that environment is polluted by boric sludge, and is environmental-friendly, low in cost, and strong in practicability. The invention further provides another production method for antimicrobial ceramics, and the production method has the advantages that the processing step is clear and concise, and novel antimicrobial ceramics can be prepared efficiently.
Description
Patent application of the present invention is the divisional application of Chinese Patent Application No. 201410728373.0, and the application number of original application is 201410728373.0, and the applying date is on December 05th, 2014, and denomination of invention is a kind of formula and method of producing novel antibacterial pottery.
Technical field
The present invention relates to field of ceramic preparation, be specifically related to the production method of two kinds of anti-bacteria ceramics.
Background technology
Ceramic sintering process has been known, as Chinese invention patent CN98126482.4 discloses a kind of new ceramic product producing technology, after being dried by blank, calcining forms, the half-dried molded base of water-wet is added after being mixed with the powder that gathers materials of 90%-50% by the glass powder of 10%-50%, then by blank at 800-850 DEG C of temperature lower calcinations.The powder that gathers materials is porcelain powder, Tao Fen, quartz powder, granite powder, brick powder or other pyrogene rock dust etc. all have hard, do not decompose below 850 DEG C, crystal phase transition does not occur, do not chemically react with water at normal temperatures, the firmly material that bonds in condensation process with melten glass all can be used as to gather materials.Though quartz sand powder has crystal phase transition, still can be used as to gather materials.After base, used water glass water mixing pulping replaces glaze slip glazing, the glaze slip glazing also can prepared by current technology.The glass powder of mixing and the powder that gathers materials can be added the later half dry-pressing formed base of water-wet by base, or add the later half dry-pressing formed base of the water-wet being mixed with water glass.
China is Production of Ceramics and consumption big country, current architectural pottery annual production reaches more than 6.5 hundred million square metres, ceramic sanitary appliance about 6,000 ten thousand, along with the progress of social civilization, with the change of environment, people have been not content with the general utility functions such as attractive in appearance, durable of traditional ceramics, more wish to have the functions such as sterilization, sterilization, deodorizing.
Liaoning Province's boronation work accounts for 90% of national total amount, and in the production process of borax, often produce 1 ton of borax with carbon alkaline process and will produce 4 tons of boron mud, ammonium carbonate method often produces 1 ton will produce 7 tons of boron mud, and the land area of the boron soil pollution stacked is 3 times of its stacking area, make institute's contaminated land become " barren land " that not even a blade of grass grows, how to solve boron soil pollution or be further used, becoming a great problem perplexing association area for many years.
Given this, inventor furthers investigate the problems referred to above, then has this case to produce.
Summary of the invention
It is succinctly clear that one object of the present invention is to provide a kind of processing step, efficiently can prepare the production method of the anti-bacteria ceramic of anti-bacteria ceramic.
It is succinctly clear that its two object of the present invention is to provide another kind of processing step, efficiently can prepare the production method of the anti-bacteria ceramic of anti-bacteria ceramic.
In order to achieve the above object, the present invention adopts such technical scheme:
A production method for anti-bacteria ceramic, comprises the steps:
(1) pulverize waste ceramic material and filter out the above-mentioned waste ceramic hard particles that granularity order number is more than 20 orders; Above-mentioned boron mud, ceramic clay, kaolinite, potassium felspar sand, quartz sand, TiB2 and waste ceramic hard particles are mixed according to ratio of weight and number 35-45:15-25:10-20:5-10:5-10:5-10:10-20 and makes base substrate slurry;
(2) above-mentioned base substrate slurry is placed in gypsum mold;
(3) work in-process base substrate is made in the shaping above-mentioned base substrate slurry demoulding;
(4) glazing is carried out to above-mentioned work in-process base substrate;
(5) the above-mentioned work in-process base substrate after glazing is fired into ceramic product.
In above-mentioned steps (1), when the water content of above-mentioned boron mud is higher than 30wt%, before mixing with above-mentioned ceramic clay, kaolinite, potassium felspar sand, quartz sand, TiB2 and waste ceramic hard particles, add Calcium Chloride Powder Anhydrous, and carry out heating simultaneously and boron mud is dewatered, until water content is 20-30wt%; When the water content of above-mentioned boron mud is lower than 20wt%, add suitable quantity of water by water content debugging to 20-30wt%.
In above-mentioned steps (5), the time of firing above-mentioned work in-process base substrate is 13-15 hour, and temperature is 1210-1290 DEG C, and heat-up rate is 5-10 DEG C/min, and percent of firing shrinkage is less than 1.15.
A production method for anti-bacteria ceramic, comprises the steps:
(1) pulverize waste ceramic material and filter out the above-mentioned waste ceramic hard particles that granularity order number is more than 20 orders; By B
2o
3, MgO, CaO, Fe
2o
3, SiO
2and Na
2o mixes according to ratio of weight and number 0.8-2.5:30-40:0.15-8.1:2.5-13.4:10-20:0.1-1.3 and makes mixture A; Said mixture A, ceramic clay, kaolinite, potassium felspar sand, quartz sand, TiB2, waste ceramic hard particles and water are mixed according to ratio of weight and number 24.5-36:15-25:10-20:5-10:5-10:5-10:10-20:9-10.5 and makes base substrate slurry;
(2) above-mentioned base substrate slurry is placed in gypsum mold;
(3) work in-process base substrate is made in the shaping above-mentioned base substrate slurry demoulding;
(4) glazing is carried out to above-mentioned work in-process base substrate;
(5) the above-mentioned work in-process base substrate after glazing is fired into ceramic product.
In above-mentioned steps (5), the time of firing above-mentioned work in-process base substrate is 13-15 hour, and temperature is 1210-1290 DEG C, and heat-up rate is 5-10 DEG C/min, and percent of firing shrinkage is less than 1.15.
After adopting technique scheme, the production method of two kinds of anti-bacteria ceramics of the present invention, utilize boron as antimicrobial factors, carry out the rational proportion of each component, form the raw material making pottery, finished product ceramic integral discharges antimicrobial factors for a long time, has obvious long-term antibacterial, germicidal action, the complex process that the antimicrobial mode overcoming tradition employing antiseptic-germicide attachment ceramic surface brings, cost are high, the defects such as antibacterial effect is not enough, not lasting; And in actual production, industrial waste boron mud can be utilized as the raw material of boron, and consumption is large, utilization of waste material and solution boron soil pollution successful, compared with prior art, processing step of the present invention is succinctly clear, can efficiently prepare novel antibacterial pottery, and produce anti-bacteria ceramic there is long-term antibacterial effect while, also solve the problem of boron soil pollution environment, environmental protection, cost is low, practical
The present invention also proposes the production method of another kind of anti-bacteria ceramic, and processing step is succinctly clear, can efficiently prepare novel antibacterial pottery.
Embodiment
In order to explain technical scheme of the present invention further, be described in detail below by specific embodiment.
A kind of anti-bacteria ceramic, mixes according to ratio of weight and number 24.5-45:15-25:10-20:5-10:5-10:5-10:10-20 primarily of mixture A, ceramic clay, kaolinite, potassium felspar sand, quartz sand, TiB2 and waste ceramic hard particles; Described mixture A is primarily of B
2o
3, MgO, CaO, Fe
2o
3, SiO
2and Na
2o mixes according to ratio of weight and number 0.8-2.5:30-40:0.15-8.1:2.5-13.4:10-20:0.1-1.3; The granularity order number of described waste ceramic hard particles is more than 20 orders.Current anti-biotic material both domestic and external is mainly divided three classes, and the first kind is main antiseptic-germicide with silver, cost intensive; Equations of The Second Kind is TiO
2the agent of micropartical photocatalysis antibacterial, need carry out illumination and make TiO
2activate the oxygen dissolved in water and become active oxygen radical to play anti-microbial effect; 3rd class be there is function far infrared radiation function anti-biotic material as the oxide compound of Fe, Mn, Cr, Zr etc.And traditional ceramic antimicrobial technology is roughly be fixed on antiseptic-germicide on carrier or adopt sol-gel method, ceramic surface plates antibacterial film.But all each defectiveness of often kind of anti-biotic material or method.Recent domestic functional type ceramic research constantly heats up, but has discussed function and feature, and all because of material expensive, cumbersome, can only have minority scientific research, hygiene department's use of particular requirement to ceramic, production lot is few.The anti-bacteria ceramic matrix of the present invention's development, carrier and anti-biotic material technique, any ceramic can be made all to possess antibacterial, embody the fusion of chemical material and microorganism subject, and the combination of ceramics and analysis science, multidisciplinary complementarity, by microbiology (bacterium, virus, anti-sterilization mechanism) and chemicals, pottery art organically combines, specifically, the present invention utilizes boron as antimicrobial factors, carry out the rational proportion of each component, form the raw material making pottery, finished product ceramic integral discharges antimicrobial factors for a long time, there is obvious long-term antibacterial, germicidal action, overcome the complex process that tradition adopts the antimicrobial mode of antiseptic-germicide attachment ceramic surface to bring, cost is high, antibacterial effect is not enough, the defect such as not lasting, and in actual production, industrial waste boron mud can be utilized as the raw material of boron, consumption is large, utilization of waste material and solution boron soil pollution successful.Wherein ceramic clay has viscosity, for whole ceramic formula provides required viscosity, is beneficial to shaping, if ceramic clay is crossed, I haven't seen you for ages causes viscosity not enough, and ceramic clay too much can affect the hardness of ceramic product; Kaolinite can improve the toughness of ceramic product, if kaolinite is crossed, I haven't seen you for ages causes ceramic product toughness not enough, and ceramic product is frangible, and kaolinite too much can affect the intensity of ceramic product; Potassium felspar sand and quartz sand have crystal formation body, as porcelain, can ensure the hardness of ceramic product, and carry out reasonable mixing match with the TiB2 embodying resistance to elevated temperatures, three complements each other in microtexture, makes ceramic product have high intensity and resistance to elevated temperatures; Waste ceramic hard particles, while the ceramic performance of adjustable ceramic finished product, also has utilization of waste material effect, but waste ceramic hard particles too much can affect product phase and the quality of ceramic product.
Preferably, when not moisture in mixture A, also comprise water in formula, mixture A, ceramic clay, kaolinite, potassium felspar sand, quartz sand, TiB2, waste ceramic hard particles and water mix obtained base substrate slurry according to ratio of weight and number 24.5-36:15-25:10-20:5-10:5-10:5-10:10-20:9-10.5.
In order to reach more superior antibacterial effect, preferably, when not moisture in mixture A, said mixture A, ceramic clay, kaolinite, potassium felspar sand, quartz sand, TiB2, waste ceramic hard particles and water mix according to ratio of weight and number 31-33:18-22:13-17:6.5-8.5:6.5-8.5:6.5-8.5:13-17:9.5-10; Above-mentioned B
2o
3, MgO, CaO, Fe
2o
3, SiO
2and Na
2o mixes according to ratio of weight and number 1.3-2:33-37:3-5:6-9:13-17:0.6-0.8; The granularity order number of above-mentioned waste ceramic hard particles is 100-200 order, and be preferably 150-180 order, the granularity of waste ceramic hard particles is more easily screened, and pottery is finer and smoother.
Embodiment one:
When the weight ratio of the water added in formula and mixture A is less than 1:4, or when being greater than 3:7, no matter mixture A, ceramic clay, kaolinite, potassium felspar sand, quartz sand, TiB2 and waste ceramic hard particles get how many parts is carried out proportioning stirring, all be difficult to form even, corresponding humidity, can formed in mould base substrate slurry be supplied, maybe cannot be fired into pottery.Therefore the weight ratio giving up water and mixture A is less than 1:4, or be greater than the proportioning of 3:7.
Embodiment two:
Get mixture A10 respectively, 15 and 24 parts, ceramic clay 15, 20 and 25 parts, kaolinite 10, 15 and 20 parts, potassium felspar sand 5, 8 and 10 parts, quartz sand 5, 8 and 10 parts, TiB2 5, 8 and 10 parts, waste ceramic hard particles 10, 15 and 20 parts, and water 9, 10 and 10.5 parts, carry out stirring and make three assembly somaplasm material, three assembly somaplasm material are placed in gypsum mold molding semi product base substrate, then the demoulding, dry, glazing, put into kiln respectively with 5 DEG C/min, the heat-up rate of 8 DEG C/min and 10 DEG C/min, with 1210 DEG C, 1250 DEG C and 1290 DEG C, 13 are fired to three assembly somaplasm material, 14 and 15 hours.Cooling kiln discharge makes ceramic product.Anti-microbial property test is not obvious, and microscopy result shows, total number of bacterial colony is without obvious reduction.Therefore give up the proportioning that shared by mixture A, number is lower.
Embodiment three:
Get respectively mixture A37,45 and 50 parts, ceramic clay 15,20 and 25 parts, 10,15 and 20 parts, kaolinite, potassium felspar sand 5,8 and 10 parts, quartz sand 5,8 and 10 parts, TiB2 5,8 and 10 parts, waste ceramic hard particles 10,15 and 20 parts, and 9,10 and 10.5 parts, water, carry out proportioning stirring, all be difficult to form even, corresponding humidity, can formed in mould base substrate slurry be supplied, maybe cannot be fired into pottery.Therefore give up the proportioning that shared by boron mud, number is higher.
Embodiment four:
B is got according to parts by weight
2o
30.8,1.3,1.4,1.6,1.8,2 and 2.5 parts, MgO30,32,33,34,35,37 and 40 parts, CaO0.15,1.45,2.75,4,5.2,6.5 and 8.1 parts, Fe
2o
32.5,4,6,7.5,9,11 and 13.4 parts, SiO
210,12,13,14,15,17 and 20 parts, and Na
2o0.1,0.4,0.6,0.7,0.8,1.0 and 1.3 mixes and makes seven groups of mixture A, get mixture A24.5 respectively, 27, 29.5, 31, 32, 33 and 36 parts, ceramic clay 15, 16.5, 18, 20, 22, 23 and 25 parts, kaolinite 10, 12, 13, 15, 17, 18 and 20 parts, potassium felspar sand 5, 6, 6.5, 8, 8.5, 9 and 10 parts, quartz sand 5, 6, 6.5, 8, 8.5, 9 and 10 parts, TiB2 5, 6, 6.5, 8, 8.5, 9 and 10 parts, waste ceramic hard particles 10, 12, 13, 15, 17, 18 and 20 parts, and water 9, 9.4, 9.7, 10, 10.15, 10.3 and 10.5 parts, carry out mix and blend and make seven large assembly somaplasm material, every large group is divided into again three groups, 21 group's base substrate slurries are placed in gypsum mold molding semi product base substrate respectively, then the demoulding, dry, glazing, put into kiln, three groups in each large group are respectively with 5 DEG C/min, the heat-up rate of 8 DEG C/min and 10 DEG C/min, with 1210 DEG C, 1250 DEG C and 1290 DEG C, 13 are fired to base substrate slurry, 14 and 15 hours.Cooling kiln discharge makes ceramic product.Anti-microbial property test Be very effective, microscopy result shows, total number of bacterial colony obviously reduces.
Because boron mud is primarily of B
2o
3, MgO, CaO, Fe
2o
3, SiO
2and Na
2o mixes according to ratio of weight and number 0.8-2.5:30-40:0.15-8.1:2.5-13.4:10-20:0.1-1.3, so preferably, mixture A is the boron mud of water content 20-30wt%, and said mixture A, ceramic clay, kaolinite, potassium felspar sand, quartz sand, TiB2 and waste ceramic hard particles mix according to ratio of weight and number 35-45:15-25:10-20:5-10:5-10:5-10:10-20.When making pottery, industrial waste boron mud consumption is large, and utilization of waste material and solution boron soil pollution successful, while having long-term antibacterial effect, also solve the problem of boron soil pollution environment.And boron mud itself is containing silicon, iron, calcium, magnesium etc., has toughness and porcelain, can strengthen the performance of ceramic clay, kaolinite, potassium felspar sand, quartz sand, TiB2, and waste ceramic hard particles can be made to give full play to pottery effect.
In order to reach more superior antibacterial effect, preferably, mixture A, ceramic clay, kaolinite, potassium felspar sand, quartz sand, TiB2 and waste ceramic hard particles mix according to ratio of weight and number 40.5-43:18-22:13-17:6.5-8.5:6.5-8.5:6.5-8.5:13-17; The granularity order number of above-mentioned waste ceramic hard particles is 100-200 order, and be preferably 150-180 order, the granularity of waste ceramic hard particles is more easily screened, and pottery is finer and smoother.
Embodiment five:
When the water content of industrial waste boron mud is lower than 20wt% or higher than 30wt%, no matter boron mud, ceramic clay, kaolinite, potassium felspar sand, quartz sand, TiB2 and waste ceramic hard particles get how many parts is carried out proportioning stirring, all be difficult to form even, corresponding humidity, can formed in mould base substrate slurry be supplied, maybe cannot be fired into pottery.Therefore give up water content lower than 20wt% or the boron mud proportioning higher than 30wt%.
Embodiment six:
Get water content 20wt% respectively, the industrial waste boron mud 20 of 25wt% and 30wt%, 25 and 33 parts, ceramic clay 15, 20 and 25 parts, kaolinite 10, 15 and 20 parts, potassium felspar sand 5, 8 and 10 parts, quartz sand 5, 8 and 10 parts, TiB2 5, 8 and 10 parts, and waste ceramic hard particles 10, 15 and 20 parts, carry out stirring and make three assembly somaplasm material, three assembly somaplasm material are placed in gypsum mold molding semi product base substrate, then the demoulding, dry, glazing, put into kiln respectively with 5 DEG C/min, the heat-up rate of 8 DEG C/min and 10 DEG C/min, with 1210 DEG C, 1250 DEG C and 1290 DEG C, 13 are fired to three assembly somaplasm material, 14 and 15 hours.Cooling kiln discharge makes ceramic product.Anti-microbial property test is not obvious, and microscopy result shows, total number of bacterial colony is without obvious reduction.Therefore give up the proportioning that shared by boron mud, number is lower.
Embodiment seven:
Get 47,50 and 100 parts, the industrial waste boron mud of water content 20wt%, 25wt% and 30wt% respectively, ceramic clay 15,20 and 25 parts, 10,15 and 20 parts, kaolinite, potassium felspar sand 5,8 and 10 parts, quartz sand 5,8 and 10 parts, TiB2 5,8 and 10 parts, and waste ceramic hard particles 10,15 and 20 parts, carry out proportioning stirring, be all difficult to form even, corresponding humidity, can formed in mould base substrate slurry be supplied, maybe cannot be fired into pottery.Therefore give up the proportioning that shared by boron mud, number is higher.
Embodiment eight:
Get industrial waste boron mud 35 respectively, 38, 40, 40.5, 41.7, 43 and 45 parts, ceramic clay 15, 16.5, 18, 20, 22, 23 and 25 parts, kaolinite 10, 12, 13, 15, 17, 18 and 20 parts, potassium felspar sand 5, 6, 6.5, 8, 8.5, 9 and 10 parts, quartz sand 5, 6, 6.5, 8, 8.5, 9 and 10 parts, TiB2 5, 6, 6.5, 8, 8.5, 9 and 10 parts, and waste ceramic hard particles 10, 12, 13, 15, 17, 18 and 20 parts, carry out mix and blend and make seven large assembly somaplasm material, every large group is divided into again three groups, 21 group's base substrate slurries are placed in gypsum mold molding semi product base substrate respectively, then the demoulding, dry, glazing, put into kiln, three groups in each large group are respectively with 5 DEG C/min, the heat-up rate of 8 DEG C/min and 10 DEG C/min, with 1210 DEG C, 1250 DEG C and 1290 DEG C, 13 are fired to base substrate slurry, 14 and 15 hours.Cooling kiln discharge makes ceramic product.Anti-microbial property test Be very effective, microscopy result shows, total number of bacterial colony obviously reduces.
When mixture A is boron mud, a kind of production method of anti-bacteria ceramic, comprises the steps:
(1) pulverize waste ceramic material and filter out the above-mentioned waste ceramic hard particles that granularity order number is more than 20 orders; Above-mentioned boron mud, ceramic clay, kaolinite, potassium felspar sand, quartz sand, TiB2 and waste ceramic hard particles are mixed according to ratio of weight and number 35-45:15-25:10-20:5-10:5-10:5-10:10-20 and stir and makes base substrate slurry;
(2) above-mentioned base substrate slurry is placed in the gypsum mold of respective shapes inner chamber until shaping;
(3) work in-process base substrate is made in the shaping above-mentioned base substrate slurry demoulding;
(4) glazing is carried out to above-mentioned work in-process base substrate;
(5) the above-mentioned work in-process base substrate after glazing is fired into ceramic product.
Preferably, in above-mentioned steps (1), when the water content of above-mentioned boron mud is higher than 30wt%, before mixing with above-mentioned ceramic clay, kaolinite, potassium felspar sand, quartz sand, TiB2 and waste ceramic hard particles, add Calcium Chloride Powder Anhydrous, and carry out heating simultaneously and boron mud is dewatered, until water content is 20-30wt%; When the water content of above-mentioned boron mud is lower than 20wt%, add suitable quantity of water by water content debugging to 20-30wt%.
Preferably, in above-mentioned steps (5), the time of firing above-mentioned work in-process base substrate is 13-15 hour, this time range was agreed with mutually with the stationary phase of porcelain body, time too short meeting causes porcelain body physicals not good, overlong time can affect the ceramic performance of ceramic product, and in order to improve effect, this time range can be preferably 13.5-14 hour; Firing temperature is 1210-1290 DEG C, this temperature range is the suitable porcelain making temperature range that formula according to the present invention draws, the too low meeting of temperature causes ceramic product hardness and luminance shortage, the too high ceramic performance that can affect again ceramic product of temperature, in order to improve effect, this temperature range is preferably 1245-1250 DEG C; When firing, heat-up rate is 5-10 DEG C/min, this heat-up rate scope is the suitable heat-up rate scope that formula according to the present invention draws, heated up and can affect the ceramic performance of ceramic product slowly, and the too fast porcelain body that can cause that heats up is easily cracked, have a strong impact on the quality of ceramic product, in order to improve effect, this heat-up rate ranges preferably from 7-8 DEG C/min, fire quality in order to what ensure ceramic product, according to formula of the present invention, percent of firing shrinkage controls be less than 1.15.
When mixture A just comprises B merely
2o
3, MgO, CaO, Fe
2o
3, SiO
2and Na
2during O, a kind of production method of anti-bacteria ceramic, comprises the steps:
(1) pulverize waste ceramic material and filter out the above-mentioned waste ceramic hard particles that granularity order number is more than 20 orders; By B
2o
3, MgO, CaO, Fe
2o
3, SiO
2and Na
2o mixes according to ratio of weight and number 0.8-2.5:30-40:0.15-8.1:2.5-13.4:10-20:0.1-1.3 and makes mixture A; Said mixture A, ceramic clay, kaolinite, potassium felspar sand, quartz sand, TiB2, waste ceramic hard particles and water are mixed according to ratio of weight and number 24.5-36:15-25:10-20:5-10:5-10:5-10:10-20:9-10.5 and stir and makes base substrate slurry;
(2) above-mentioned base substrate slurry is placed in the gypsum mold of respective shapes inner chamber until shaping;
(3) work in-process base substrate is made in the shaping above-mentioned base substrate slurry demoulding;
(4) glazing is carried out to above-mentioned work in-process base substrate;
(5) the above-mentioned work in-process base substrate after glazing is fired into ceramic product.
Preferably, in above-mentioned steps (5), the time of firing above-mentioned work in-process base substrate is 13-15 hour, this time range was agreed with mutually with the stationary phase of porcelain body, time too short meeting causes porcelain body physicals not good, overlong time can affect the ceramic performance of ceramic product, and in order to improve effect, this time range can be preferably 13.5-14 hour; Firing temperature is 1210-1290 DEG C, this temperature range is the suitable porcelain making temperature range that formula according to the present invention draws, the too low meeting of temperature causes ceramic product hardness and luminance shortage, the too high ceramic performance that can affect again ceramic product of temperature, in order to improve effect, this temperature range is preferably 1245-1250 DEG C; When firing, heat-up rate is 5-10 DEG C/min, this heat-up rate scope is the suitable heat-up rate scope that formula according to the present invention draws, heated up and can affect the ceramic performance of ceramic product slowly, and the too fast porcelain body that can cause that heats up is easily cracked, have a strong impact on the quality of ceramic product, in order to improve effect, this heat-up rate ranges preferably from 7-8 DEG C/min, fire quality in order to what ensure ceramic product, according to formula of the present invention, percent of firing shrinkage controls be less than 1.15.
The production method of anti-bacteria ceramic of the present invention, in order to solve the problem of boron soil pollution environment, preferably adopting industrial waste boron mud as mixture A, also can carry out artificial preparating mixture A according to actual requirement.
Product form of the present invention is not limited to this case embodiment, and anyone carries out suitable change or the modification of similar thinking to it, all should be considered as not departing from patent category of the present invention.
Claims (5)
1. the production method of anti-bacteria ceramic, is characterized in that, comprises the steps:
(1) pulverize waste ceramic material and filter out the waste ceramic hard particles that granularity order number is more than 20 orders; Boron mud, ceramic clay, kaolinite, potassium felspar sand, quartz sand, TiB2 and waste ceramic hard particles are mixed according to ratio of weight and number 35-45:15-25:10-20:5-10:5-10:5-10:10-20 and makes base substrate slurry;
(2) above-mentioned base substrate slurry is placed in gypsum mold;
(3) work in-process base substrate is made in the shaping above-mentioned base substrate slurry demoulding;
(4) glazing is carried out to above-mentioned work in-process base substrate;
(5) the above-mentioned work in-process base substrate after glazing is fired into ceramic product.
2. the production method of anti-bacteria ceramic according to claim 1, it is characterized in that: in above-mentioned steps (1), when the water content of above-mentioned boron mud is higher than 30wt%, before mixing with above-mentioned ceramic clay, kaolinite, potassium felspar sand, quartz sand, TiB2 and waste ceramic hard particles, add Calcium Chloride Powder Anhydrous, and carry out heating simultaneously and boron mud is dewatered, until water content is 20-30wt%; When the water content of above-mentioned boron mud is lower than 20wt%, add suitable quantity of water by water content debugging to 20-30wt%.
3. the production method of anti-bacteria ceramic according to claim 2, it is characterized in that: in above-mentioned steps (5), the time of firing above-mentioned work in-process base substrate is 13-15 hour, and temperature is 1210-1290 DEG C, heat-up rate is 5-10 DEG C/min, and percent of firing shrinkage is less than 1.15.
4. the production method of anti-bacteria ceramic, is characterized in that, comprises the steps:
(1) pulverize waste ceramic material and filter out the waste ceramic hard particles that granularity order number is more than 20 orders; By B
2o
3, MgO, CaO, Fe
2o
3, SiO
2and Na
2o mixes according to ratio of weight and number 0.8-2.5:30-40:0.15-8.1:2.5-13.4:10-20:0.1-1.3 and makes mixture A; Said mixture A, ceramic clay, kaolinite, potassium felspar sand, quartz sand, TiB2, waste ceramic hard particles and water are mixed according to ratio of weight and number 24.5-36:15-25:10-20:5-10:5-10:5-10:10-20:9-10.5 and makes base substrate slurry;
(2) above-mentioned base substrate slurry is placed in gypsum mold;
(3) work in-process base substrate is made in the shaping above-mentioned base substrate slurry demoulding;
(4) glazing is carried out to above-mentioned work in-process base substrate;
(5) the above-mentioned work in-process base substrate after glazing is fired into ceramic product.
5. the production method of anti-bacteria ceramic according to claim 4, it is characterized in that: in above-mentioned steps (5), the time of firing above-mentioned work in-process base substrate is 13-15 hour, and temperature is 1210-1290 DEG C, heat-up rate is 5-10 DEG C/min, and percent of firing shrinkage is less than 1.15.
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| CN105503162A (en) * | 2015-12-30 | 2016-04-20 | 黄群好 | Antimicrobial ceramic containing traditional Chinese medicine extract and preparation method thereof |
| CN112250305A (en) * | 2020-10-26 | 2021-01-22 | 辽宁大学 | Antibacterial ceramic glaze based on boric sludge and preparation method and application thereof |
| CN112645689A (en) * | 2021-01-05 | 2021-04-13 | 福建省德化鑫东宝瓷业有限公司 | Ceramic flowerpot prepared from waste raw materials and preparation process thereof |
| CN112640689A (en) * | 2021-01-05 | 2021-04-13 | 福建省德化鑫东宝瓷业有限公司 | Air-permeable ceramic flowerpot and preparation process thereof |
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| CN112250305A (en) * | 2020-10-26 | 2021-01-22 | 辽宁大学 | Antibacterial ceramic glaze based on boric sludge and preparation method and application thereof |
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| CN112640689A (en) * | 2021-01-05 | 2021-04-13 | 福建省德化鑫东宝瓷业有限公司 | Air-permeable ceramic flowerpot and preparation process thereof |
| CN112640689B (en) * | 2021-01-05 | 2023-07-14 | 福建省德化鑫东宝瓷业有限公司 | Breathable ceramic flowerpot and preparation process thereof |
Also Published As
| Publication number | Publication date |
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| CN104446351A (en) | 2015-03-25 |
| CN104926279B (en) | 2017-01-18 |
| CN104446351B (en) | 2015-08-19 |
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