CN101671162B - Pearl shell treating process as well as ceramic and glaze prepared by materials prepared by same - Google Patents
Pearl shell treating process as well as ceramic and glaze prepared by materials prepared by same Download PDFInfo
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- CN101671162B CN101671162B CN2009101531488A CN200910153148A CN101671162B CN 101671162 B CN101671162 B CN 101671162B CN 2009101531488 A CN2009101531488 A CN 2009101531488A CN 200910153148 A CN200910153148 A CN 200910153148A CN 101671162 B CN101671162 B CN 101671162B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The invention discloses a treating process for preparing ceramic materials by pearl shells and wasted pearl bodies, and simultaneously further discloses a formula and a sintering technology for preparing daily-used ceramic and glaze by powder materials prepared by the treating process. The formula of shell porcelain body is as follows: 17-30 percent of mineral powder prepared by treatment, 10-20 percent of porcelain clay, 45-58 percent of kaoline, 0-5 percent of quartz, and 5-15 percent of feldspar; the formula of glaze of shell porcelain body is as follows: 1.36-4 percent of mineral powder prepared by treatment, 0,8-4 percent of porcelain clay, 3.6-11.6 percent of kaoline, 0-1 percent of quartz, 0.4-3 percent of feldspar, and 80-92 percent of high-boron high-zinc lead-free transparent frit; and the sintering technology of the shell porcelain is as follows: 1170-1220 DEG C of high-temperature plain temperature, and 1050-1100 DEG C of low-temperature glaze firing temperature. The invention has the advantages of energy conservation and consumption reduction, safety and environmental protection, and economy and practicalness.
Description
Technical field
The invention belongs to ceramic raw material and ceramic preparation field thereof, be specifically related to a kind ofly the discarded shell that produces in the water pearl culture and pearl articles are made discarded body and the powder that the course of processing produces become the material processing technology of producing pottery, and utilize this art breading gained material preparation pottery and glaze formulation and technology.
Background technology
The waste shell that produces in the fresh water pearl industry is because special biological structure and composition are difficult to degraded at occurring in nature, and regeneration simultaneously has been subjected to considerable restraint, along with the fresh water pearl industry constantly enlarges, has had a strong impact on local environment.But its essential mineral component and characteristic are synthetic by regeneration, and the mineral mixture of a series of calcium phosphate, calcium carbonate and the calcium phosphate of generation can obviously reduce the firing temperature of goods in Production of Ceramics, increase texture, hardness, intensity and the transparence of porcelain.Have a wide range of applications in modern domestic ceramics field.Utilization is produced high-grade domestic ceramics technology in the world or a blank without the biological fresh water pearl shell of mineralising.Present high-grade domestic ceramics is to be the raw material production manufacturing with bone carbon, cost high product quality instability, and the amount of allocating into is bigger, contains the bone carbon of 40%-50% usually.How to replace bone carbon to prepare high-grade domestic ceramics with low cost raw material and become the technical problem that present urgent need solves.
The waste shell main component that produces in the fresh water pearl industry is 95% calcium carbonate, also has a spot of conchiolin and other organism in addition.Generally can be divided into 3 layers: outermost layer is the stratum corneum (shell skin) of chocolate, and is thin and transparent, and the chitin element of being secreted by the mantle edge constitutes; The middle level is that prismatic layer (shell) is thicker, and the calcite of the prism-shaped of being secreted by the mantle fate constitutes; Internal layer is nacreous layer (bottom), and the foliated lamellar aragonite of being secreted by the whole surface of mantle (aragonite) builds up, and has beautiful gloss.The main chemical compositions of calcite and aragonite all is CaCO
3General CaCO
3With the rock ore deposit form introduce ceramic formula, as limestone, marble, calcite, dolomite etc.As biological CaCO
3Pearl shell is because special biological structure can not directly be introduced as the ceramic raw material use, if pearl shell is directly used in the production pottery, contained organism such as protein will have a strong impact on the ceramic mud performance, make the mud surface tension increase, a large amount of intensive bubbles, gas can't overflow from mud, even influence the whole prod quality.If what only pearl shell is obtained by calcining only is not contain organic CaCO
3Or CaO, though CaCO
3In ceramic applications with the form of CaO under conditions such as specific temperature, pressure with other mineral generation curing reaction or form minimum congruent melting mineral, cause production technique to implement but can not act on mud in a large number as solubility alkalescence oxide compound.
Summary of the invention
At the problem that exists in the background technology, the invention provides that a kind of to make discarded body and the powder that the course of processing produces with the waste shell that produces in the fresh water pearl industry and pearl articles be raw material, preparation has energy-saving and cost-reducing, safety and environmental protection, economical and practical high-grade domestic ceramics with and glaze formulation and firing process.The treatment process that the waste shell that produces in the fresh water pearl industry is become the high-grade ceramic raw material is provided simultaneously, thereby has produced a kind of biotype ceramic raw material, do not destroyed the original biological structure of pearl shell.
The technical solution used in the present invention is as follows: a kind of pearl shell treatment process, and concrete steps are as follows:
One, shell is washed, remove the silt that is attached to shell surface, and drain well;
Two, will wash good shell or pearl body and pearl body powder at 400-600 ℃ temperature lower calcination, insulation is 1-2 hour under this temperature;
Three, with burnt shell or pearl body and pearl body powder, be machined to 30-80 purpose fine particle through pulverizer;
Four, add certain amount of industrial phosphoric acid in container, shell or pearl body and pearl body powder particle are added in the container uniformly again, the weight ratio of industrial phosphoric acid and shell is 1: 1.5-1: 1; Stir while adding shell, with phosphoric acid react be 4.8-6 to pH value after, left standstill 24 hours, obtain moisture powder;
Five, powder is washed with water 1-2 time, the weight ratio of powder and water is 1: 1.2, and it is neutral that pH value is approached, and elimination moisture content is removed the solubility intermediate material, and drying obtains powder;
Six, powder is put in the saggar body, calcined again in 450 ℃-600 ℃ through kiln, insulation 1-3 hour obtains the mineral powder based on calcium phosphate behind the naturally cooling.
Utilize the concrete prescription of the mineral preparation of powder fresh water pearl shell porcelain body body that pearl shell or pearl body and pearl body powder treatment technology makes as follows:
The mineral powder 17%-30% that processing makes
China clay 10%-20%
Kaolin 45%-58%
Quartzy 0%-5%
Feldspar 5%-15%.
Utilize the concrete prescription of the mineral preparation of powder fresh water pearl shell porcelain body body glaze that pearl shell or pearl body and pearl body powder treatment technology makes as follows:
The mineral powder 1.36%-4% that processing makes
China clay 0.8%4%
Kaolin 3.6%-11.6%
Quartzy 0%-1%
Feldspar 0.4%-3%
The unleaded clear frit 80%-92% of the high zinc of high boron.
The firing process of the pearl shell porcelain that fresh water pearl shell porcelain body body of the present invention and glaze formula make is as follows: calcining system is to burn till for twice: high temperature biscuiting and low temperature glaze firing, high temperature biscuiting temperature is 1170-1220 ℃, and the low temperature temperature of glaze firing is 1050-1100 ℃.
The present invention has following beneficial effect: because discarded body and powder that the present invention utilizes discarded fresh water pearl shell and pearl articles to make course of processing generation are the high-grade domestic ceramics of feedstock production, with low cost with respect to the high-grade ceramic that utilizes the preparation of bone carbon, technology simple possible, aboundresources, one-tenth porcelain temperature is low, firing range is wide, safety and environmental protection, is fit to applying of new ceramics raw material and new porcelain kind more.The fresh water shell with other ceramic raw material reasonable compatibility, through firing hardness and the transparence that can increase porcelain, makes that Margarita porcelain body matter is pure then after special process is handled, the glaze smoothness, and intensity is higher than general porcelain.
Embodiment
Below in conjunction with specific embodiment invention is further described:
Following table is the places of origin of raw materials and the chemical ingredients that following all embodiment adopt.
Embodiment 1:
Present embodiment is selected the big group in water pearl culture base, lake and east, the Zhejiang discarded shell in water pearl culture field under the Zhuji City mountain, Zhejiang Province for use, at first shell is washed, remove silt, drain away the water, be stacked in the high temperature resistance furnace, naturally cooling after 1 hour is calcined and be incubated to 400 ℃ of design temperatures places pulverizer then, is machined to 30 order fine particles.The particle the handled ratio by weight 1: 1 is slowly added in the preprepared industrial phosphoric acid container, and evenly stir, when detecting pH value and be 4.8, stop to stir, leave standstill after 24 hours with twice of clear water washing.Powder and water weight ratio are 1: 1.2 during washing, use seasoning behind the filter bag elimination moisture then, dry powder is placed saggar, design temperature is calcined for 450 ℃ in high temperature resistance furnace, insulation 1-3 hour, obtain the mineral powder based on calcium phosphate behind the naturally cooling, simultaneously with this mineral powder called after DW01 that makes.
With the DW01 powder that obtains by following formulated fresh water pearl shell porcelain body body: DW01 powder 200g; The native 450g of Zhao family; North, mountain range china clay 200g; Quartz sand 50g; Feldspar 100g.Then according to common process slurrying, mud processed, old, change slurry injection forming.To pile up in high temperature resistance furnace behind the dry repaired biscuit of the blue or green base of the fresh water pearl shell porcelain of injection forming, setting maximum sintering temperature is that 1190 ℃ (thermal wedge demarcation temperature) are by 10 ℃/minute of 600 ℃ of temperature rise rates, 2 ℃/minute of 800 ℃ of-1080 ℃ of temperature rise rates, 1190 ℃ are incubated 1.5 hours, open fire door, fast cooling to 700 ℃ takes out porcelain body after slowly being down to 400 ℃ in stove, namely obtain high-grade fresh water pearl shell porcelain porcelain body.
Again with the DW01 powder that makes by following formulated glaze: DW01 powder 40g, north, mountain range china clay 40g, the native 90g of Zhao family, quartz sand 10g, feldspar 20g, the unleaded clear frit 800g of the high zinc of high boron.Porcelain body at 1090 ℃ of temperature twice firings, can obtain high-grade household china through glazing---the pearl shell porcelain.
The products obtained therefrom detected result is as follows:
1, porcelain exquisiteness, glaze moisten, transparence is good and reach the equal light transmission of sclerotin porcelain.
2, whiteness is greater than 80 degree.
3, thermostability places 20 ℃ of water heat exchanges once not split for 200 ℃.
4, water-intake rate is less than 0.5%.
5, plumbous, quantity of cadmium release meets the GB-12651 regulation.
Embodiment 2:
This example is selected the big group in water pearl culture base, lake and east, the Zhejiang discarded shell in water pearl culture field under the Zhuji City mountain, Zhejiang Province for use, at first shell is washed, remove silt, drain away the water, be stacked in the high temperature resistance furnace, 1 hour naturally cooling is calcined and be incubated to design temperature for 500 ℃, places pulverizer then, is machined to 55 order fine particles.The particle the handled ratio by weight 1: 1 is slowly added in the preprepared industrial phosphoric acid container, and evenly stir, when detecting pH value and be 5.4, stop to stir, leave standstill after 24 hours with twice of clear water repetitive scrubbing.Powder and water weight ratio are 1: 1.2 during washing, use seasoning behind the filter bag elimination moisture then, dry powder is placed saggar, design temperature is calcined for 525 ℃ in high temperature resistance furnace, insulation 1-3 hour, obtain the mineral powder based on calcium phosphate behind the naturally cooling, simultaneously with this mineral powder called after DW01 that makes.
With the DW01 powder that obtains by following formulated fresh water pearl shell porcelain body body: DW01 powder 220g; The native 500g of Zhao family; North, mountain range china clay 150g; Feldspar 100g; Quartz sand 30g.Then according to common process slurrying, mud processed, old, change slurry injection forming.To pile up in high temperature resistance furnace behind the dry repaired biscuit of the blue or green base of the fresh water pearl shell porcelain of injection forming, setting maximum sintering temperature is that 1190 ℃ (thermal wedge demarcation temperature) are by 10 ℃/minute of 600 ℃ of temperature rise rates, 2 ℃/minute of 800 ℃ of-1080 ℃ of temperature rise rates, 1190 ℃ are incubated 1.5 hours, open fire door, fast cooling to 700 ℃ takes out porcelain body after slowly being down to 400 ℃ in stove, namely obtain high-grade fresh water pearl shell porcelain porcelain body.
Again with the DW01 powder that makes by following formulated glaze: DW01 powder 30.8g; North, mountain range china clay 21g; The native 70g of Zhao family; Quartz sand 4.2g; Feldspar 14g; The unleaded clear frit 860g of the high zinc of high boron.Porcelain body at 1075 ℃ of temperature twice firings, can obtain high-grade household china through glazing---the pearl shell porcelain.The products obtained therefrom detected result is as follows:
1, porcelain exquisiteness, glaze moisten, transparence is good and reach the equal light transmission of sclerotin porcelain.
2, whiteness is greater than 80 degree.
3, thermostability places 20 ℃ of water heat exchanges once not split for 200 ℃.
4, water-intake rate is less than 0.5%.
5, plumbous, quantity of cadmium release meets the GB-12651 regulation.
Embodiment 3:
This example is selected the big group in water pearl culture base, lake and east, the Zhejiang discarded shell in water pearl culture field under the Zhuji City mountain, Zhejiang Province for use, at first shell is washed, remove silt, drain away the water, be stacked in the high temperature resistance furnace, 1 hour naturally cooling is calcined and be incubated to design temperature for 480 ℃, places pulverizer then, is machined to 60 order fine particles.The particle the handled ratio by weight 1: 1 is slowly added in the preprepared industrial phosphoric acid container, and evenly stir, when detecting pH value and be 5.3, stop to stir, leave standstill after 24 hours with twice of clear water repetitive scrubbing.Powder and water weight ratio are 1: 1.2 during washing, use seasoning behind the filter bag elimination moisture then, dry powder is placed saggar, design temperature is calcined for 580 ℃ in high temperature resistance furnace, insulation 1-3 hour, obtain the mineral powder based on calcium phosphate behind the naturally cooling, simultaneously with this mineral powder called after DW01 that makes.
With the DW01 powder that obtains by following formulated fresh water pearl shell porcelain body body: DW01 powder 280g; The native 570g of Zhao family; North, mountain range china clay 100g; Feldspar 50g.Then according to common process slurrying, mud processed, old, change slurry injection forming.To pile up in high temperature resistance furnace behind the dry repaired biscuit of the blue or green base of the fresh water pearl shell porcelain of injection forming, setting maximum sintering temperature is that 1170 ℃ (thermal wedge demarcation temperature) are by 10 ℃/minute of 600 ℃ of temperature rise rates, 2 ℃/minute of 800 ℃ of-1080 ℃ of temperature rise rates, 1170 ℃ are incubated 1.5 hours, open fire door, fast cooling to 700 ℃ takes out porcelain body after slowly being down to 400 ℃ in stove, namely obtain high-grade fresh water pearl shell porcelain porcelain body.
Again with the DW01 powder that makes by following formulated glaze: DW01 powder 39.2g; North, mountain range china clay 14g; The native 79.8g of Zhao family; Feldspar 7g; The unleaded clear frit 860g of the high zinc of high boron.Porcelain body at 1075 ℃ of temperature twice firings, can obtain high-grade household china through glazing---the pearl shell porcelain.
The products obtained therefrom detected result is as follows:
1, porcelain exquisiteness, glaze moisten, transparence is good and reach the equal light transmission of sclerotin porcelain.
2, whiteness is greater than 80 degree.
3, thermostability places 20 ℃ of water heat exchanges once not split for 200 ℃.
4, water-intake rate is less than 0.5%.
5, plumbous, quantity of cadmium release meets the GB-12651 regulation.
Embodiment 4:
This example is selected the big group in water pearl culture base, lake and east, the Zhejiang discarded shell in water pearl culture field under the Zhuji City mountain, Zhejiang Province for use, at first shell is washed, remove silt, drain away the water, be stacked in the high temperature resistance furnace, 1 hour naturally cooling is calcined and be incubated to design temperature for 600 ℃, places pulverizer then, is machined to 80 order fine particles.The particle the handled ratio by weight 1: 1.5 is slowly added in the preprepared industrial phosphoric acid container, and evenly stir, detect pH value 6, stop to stir, leave standstill after 24 hours with twice of clear water repetitive scrubbing.Powder and water weight ratio are 1: 1.2 during washing, use seasoning behind the filter bag elimination moisture then, dry powder is placed saggar, design temperature is calcined for 600 ℃ in high temperature resistance furnace, insulation 1-3 hour, obtain the mineral powder based on calcium phosphate behind the naturally cooling, simultaneously with this mineral powder called after DW01 that makes.
With the DW01 powder that obtains by following formulated fresh water pearl shell porcelain body body: DW01 powder 170g; The native 580g of Zhao family; North, mountain range china clay 100g; Feldspar 150g.Then according to common process slurrying, mud processed, old, change slurry injection forming.To pile up in high temperature resistance furnace behind the dry repaired biscuit of the blue or green base of the fresh water pearl shell porcelain of injection forming, setting maximum sintering temperature is that 1220 ℃ (thermal wedge demarcation temperature) are by 10 ℃/minute of 600 ℃ of temperature rise rates, 2 ℃/minute of 800 ℃ of-1080 ℃ of temperature rise rates, 1220 ℃ are incubated 1.5 hours, open fire door, fast cooling to 700 ℃ takes out porcelain body after slowly being down to 400 ℃ in stove, namely obtain high-grade fresh water pearl shell porcelain porcelain body.
Again with the DW01 powder that makes by following formulated glaze: DW01 powder 13.6g; North, mountain range china clay 8g; The native 46.4g of Zhao family; Feldspar 12g; The unleaded clear frit 920g of the high zinc of high boron.Porcelain body at 1050 ℃ of temperature twice firings, can obtain high-grade household china through glazing---the pearl shell porcelain.
The products obtained therefrom detected result is as follows:
1, porcelain exquisiteness, glaze moisten, transparence is good and reach the equal light transmission of sclerotin porcelain.
2, whiteness is greater than 80 degree.
3, thermostability places 20 ℃ of water heat exchanges once not split for 200 ℃.
4, water-intake rate is less than 0.5%.
5, plumbous, quantity of cadmium release meets the GB-12651 regulation.
Embodiment 5:
This example is selected the big group in water pearl culture base, lake and east, the Zhejiang discarded shell in water pearl culture field under the Zhuji City mountain, Zhejiang Province for use, at first shell is washed, remove silt, drain away the water, be stacked in the high temperature resistance furnace, 1 hour naturally cooling is calcined and be incubated to design temperature for 500 ℃, places pulverizer then, is machined to 55 order fine particles.The particle the handled ratio by weight 1: 1 is slowly added in the preprepared industrial phosphoric acid container, and evenly stir, detect pH value 5.2, stop to stir, leave standstill after 24 hours with twice of clear water repetitive scrubbing.Powder and water weight ratio are 1: 1.2 during washing, use seasoning behind the filter bag elimination moisture then, dry powder is placed saggar, design temperature is calcined for 525 ℃ in high temperature resistance furnace, insulation 1-3 hour, obtain the mineral powder based on calcium phosphate behind the naturally cooling, simultaneously with this mineral powder called after DW01 that makes.
With the DW01 powder that obtains by following formulated fresh water pearl shell porcelain body body: DW01 powder 300g; The native 550g of Zhao family; North, mountain range china clay 100g; Feldspar 50g.Then according to common process slurrying, mud processed, old, change slurry injection forming.To pile up in high temperature resistance furnace behind the dry repaired biscuit of the blue or green base of the fresh water pearl shell porcelain of injection forming, setting maximum sintering temperature is that 1170 ℃ (thermal wedge demarcation temperature) are by 10 ℃/minute of 600 ℃ of temperature rise rates, 2 ℃/minute of 800 ℃ of-1080 ℃ of temperature rise rates, 1170 ℃ are incubated 1.5 hours, open fire door, fast cooling to 700 ℃ takes out porcelain body after slowly being down to 400 ℃ in stove, namely obtain high-grade fresh water pearl shell porcelain porcelain body.
Again with the DW01 powder that makes by following formulated glaze: DW01 powder 30g; North, mountain range china clay 10g; The native 55g of Zhao family; Feldspar 5g; The unleaded clear frit 900g of the high zinc of high boron.Porcelain body at 1065 ℃ of temperature twice firings, can obtain high-grade household china through glazing---the pearl shell porcelain.
The products obtained therefrom detected result is as follows:
1, porcelain exquisiteness, glaze moisten, transparence is good and reach the equal light transmission of sclerotin porcelain.
2, whiteness is greater than 80 degree.
3, thermostability places 20 ℃ of water heat exchanges once not split for 200 ℃.
4, water-intake rate is less than 0.5%.
5, plumbous, quantity of cadmium release meets the GB-12651 regulation.
Embodiment 6:
The discarded pearl fine powder that present embodiment selects for use the discarded pearl body of east, Zhejiang fresh water pearl source mill of big group and pearl processing to produce, place in the saggar 480 ℃ of design temperatures to calcine and be incubated 1 hour naturally cooling and add in the preprepared industrial phosphoric acid container by weight 1: 1 ratio of weight ratio, and evenly stir, detect pH value 5.3, stop to stir, leave standstill after 24 hours with twice of clear water repetitive scrubbing, with seasoning behind the filter bag elimination moisture, dry powder is placed saggar, and design temperature is calcined for 580 ℃ in high temperature resistance furnace.Obtaining the DW01 powder obtains the DW01 powder and forms by fresh water pearl shell porcelain body body formulation weight per-cent: DW01 powder 220g; The native 500g of Zhao family; North, mountain range china clay 150g; Feldspar 100g; Quartz sand 30g.According to common process slurrying, mud processed, old, change slurry injection forming.To pile up in high temperature resistance furnace behind the dry repaired biscuit of the blue or green base of the fresh water pearl shell porcelain of injection forming, setting maximum sintering temperature is that 1190 ℃ (thermal wedge demarcation temperature) are by 10 ℃/minute of 600 ℃ of temperature rise rates, 2 ℃/minute of 800 ℃ of-1080 ℃ of temperature rise rates, 1190 ℃ are incubated 1.5 hours, open fire door, fast cooling to 700 ℃ takes out porcelain body after slowly being down to 400 ℃, and obtains high-grade fresh water pearl shell porcelain porcelain body in stove.
Again with the DW01 powder that makes by following formulated glaze: DW01 powder 30.8g; North, mountain range china clay 21g; The native 70g of Zhao family; Quartz sand 4.2g; Feldspar 14g; The unleaded clear frit 860g of the high zinc of high boron.Porcelain body at 1075 ℃ of temperature twice firings, can obtain high-grade household china through glazing---the pearl shell porcelain.The products obtained therefrom detected result is as follows:
1, porcelain exquisiteness, glaze moisten, transparence is good and reach the equal light transmission of sclerotin porcelain.
2, whiteness is greater than 80 degree.
3, thermostability places 20 ℃ of water heat exchanges once not split for 200 ℃.
4, water-intake rate is less than 0.5%.
5, plumbous, quantity of cadmium release meets the GB-12651 regulation.
Reference: " research of shell thermal decomposition behavior reaches the influence to the polymkeric substance thermal destruction " Lin Xiuling
" pottery technique " light industry press of Xibei College of Light Industry 1985
" mineral petrology " press of China University of Geosciences 2006
Claims (1)
1. a pearl shell, pearl body and pearl body powder treatment technology is characterized in that concrete steps are as follows:
One, shell is washed, remove the silt that is attached to shell surface, and drain well;
Two, the shell that flushing is drained or pearl body and pearl body powder are at 400-600 ℃ temperature lower calcination, and insulation is 1-2 hour under this temperature;
Three, with burnt shell, be machined to 30-80 purpose fine particle through pulverizer;
Four, add certain amount of industrial phosphoric acid in container, shell or pearl body and pearl body powder particle are added in the container uniformly again, the weight ratio of industrial phosphoric acid and shell or pearl body and pearl body powder fine particle is 1: 1.5-1: 1; While adding shell pearl body and pearl body powder fine particle stirs, with phosphoric acid react to the pH value for behind the 4.8-6, left standstill 24 hours, obtain moisture powder;
Five, powder is washed with water 1-2 time, the weight ratio of powder and water is 1: 1.2, and it is neutral that the pH value is approached, and elimination moisture content is removed the solubility intermediate material, and drying obtains powder;
Six, powder is put in the saggar body, calcined again in 450 ℃-600 ℃ through kiln, insulation 1-3 hour obtains the mineral powder based on calcium phosphate behind the naturally cooling.
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| Application Number | Priority Date | Filing Date | Title |
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| JP6218266B2 (en) * | 2013-03-13 | 2017-10-25 | 島根県 | Manufacturing method of unglazed ceramics using shells |
| CN103214234A (en) * | 2013-04-12 | 2013-07-24 | 李忠盛 | Marine bio-ceramic and preparation method thereof |
| CN106116468B (en) * | 2016-06-27 | 2019-02-19 | 李学彬 | A kind of Novel high-end south pearl high calcium nano ceramics and its preparation process |
| CN106366746A (en) * | 2016-08-22 | 2017-02-01 | 谢裕梦 | Making technology of shell powder |
| CN106587982A (en) * | 2016-12-31 | 2017-04-26 | 胡雪妍 | High-strength pearl bone-china blank and preparation method thereof |
| CN110317043B (en) * | 2019-07-08 | 2020-11-13 | 韩山师范学院 | Method for preparing shell porcelain by utilizing shells and shell porcelain |
| CN111943723B (en) * | 2020-07-30 | 2022-06-21 | 佛山欧神诺陶瓷有限公司 | Ceramic glaze with silk texture, preparation method and ceramic rock plate using ceramic glaze |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1388081A (en) * | 2001-05-29 | 2003-01-01 | 王金华 | Concrete with shell aggregate |
| CN101177340A (en) * | 2006-11-09 | 2008-05-14 | 王卓 | Shell sand using shell as raw material |
| CN101412617A (en) * | 2007-10-16 | 2009-04-22 | 罗以明 | Seaweed alkaline ceramic and manufacturing method thereof |
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