CN106336196B - Selenium-supply ceramics and preparation method thereof - Google Patents
Selenium-supply ceramics and preparation method thereof Download PDFInfo
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- CN106336196B CN106336196B CN201610701967.1A CN201610701967A CN106336196B CN 106336196 B CN106336196 B CN 106336196B CN 201610701967 A CN201610701967 A CN 201610701967A CN 106336196 B CN106336196 B CN 106336196B
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B33/00—Clay-wares
- C04B33/02—Preparing or treating the raw materials individually or as batches
- C04B33/13—Compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/404—Refractory metals
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/658—Atmosphere during thermal treatment
- C04B2235/6583—Oxygen containing atmosphere, e.g. with changing oxygen pressures
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Abstract
Selenium-supply ceramics and preparation method thereof, it is related to a kind of ceramics and preparation method thereof.It solves the problems, such as that the intake for adding the method for selenium to be difficult to ensure selenium in food at present is balanced, stable.Selenium-supply ceramics are mainly made of kaolin and molybdenum powder.Preparation method: one, ball milling kaolin；Two, molybdenum powder is added；Three, drying, pugging；Four, it is pressed into biscuit；Five, it fires.Selenium element is not adulterated specially in selenium-supply ceramics of the present invention, can but significantly improve the amount of dissolution of ceramic selenium.The amount of dissolution of selenium-supply ceramics molybdenum and selenium of the present invention is stablized, long action time, is used for a long time beneficial to human health.
Description
Technical field
The present invention relates to a kind of ceramics and preparation method thereof.
Background technique
Selenium has antitumaous effect, antioxidation, can enhance human immunity, being capable of antagonism harmful heavy metal；And selenium
The absorption and utilization of vitamin A, vitamin C, vitamin E, vitamin K can be adjusted；Reproductive function can be enhanced, and have and adjust
Save the function of the synthesis of protein.Selenium deficiency declines the immunocompetence of human body, causes myopia, cataract, retinopathy, eyeground disease
The diseases such as disease, age-related macular degeneration, can also cause protein energy shortage property malnutrition, and chromosome damage leads to skeletal muscle
Atrophy and be in gray-white stripes, occurs myocardial damage, the variation of cardiac muscle cell's compactness, lipid increases, and calcium deposition leads to disease
Occur.
The balance of selenium concentration has important protective effect and facilitation to the physiological function of many organs, tissue.But
It is the organ that long-term storage selenium is not present in selenium in human body, selenium needed for body must be absorbed constantly from diet.Due to China
Selenium deficiency in 72% soil, in wholefood, the cereal crops selenium such as wheat, rice, corn as staple food crop contains
Amount is below 40 μ g/kg, minimum intake of the daily selenium intake of compatriots lower than 50 μ g of world health organisation recommendations, day selenium
Intake only has 30~45 μ g, far below countries such as Japan, Canada, the U.S..
In food plus selenium is presently the most conventional mode, but selenium can not be added in all food, in addition often
Personal eating habit is different, it is difficult to guarantee that the intake of selenium is balanced, stablize.
Summary of the invention
The present invention be in order to solve at present in food plus the method for selenium be difficult to ensure selenium intake it is balanced, stable ask
Topic, and provide a kind of selenium-supply ceramics and preparation method thereof.
Selenium-supply ceramics are mainly made of kaolin and molybdenum powder；The mass ratio of kaolin and molybdenum powder is 10 ︰ 1~1.5.
Above-mentioned selenium-supply ceramics are prepared according to the following steps:
One, kaolin is poured into interspace ball mill plus water carries out ball milling, then crossed 120 meshes, obtain No.1 mud；
Two, No.1 mud is taken out into addition molybdenum powder continuation ball milling and obtains No. two mud after 120 meshes；Wherein, molybdenum powder
It is 1~1.5 ︰ 10 with mass ratio kaolinic in No.1 mud；
Three, No. two mud are put into drying box, low temperature drying to moisture then takes out for 20%~23% and is put into vacuum
Plasticity mud item is obtained in pug mill；
Four, mud stripping and slicing is put into the mold of harder, is pressed into biscuit；
Five, biscuit of polishing after base is evaporated to moisture is shone, electrical kiln firing is then placed in；Kiln in 0~400 DEG C of temperature-rise period of electrical kiln
Door is semi-open, and kiln temperature is more than the heating of closing wicket, firing after 400 DEG C；It is oxidizing atmosphere in kiln；Firing temperature is 1240
DEG C, the electrical kiln firing time is 9~9.5 hours；Soaking time is 1~1.5 hour.
Being unique in that for selenium-supply ceramics of the present invention is prepared in raw material there is no selenium element is specially mixed, and is not also used
Well-known selenium-rich material；And the amount of dissolution of selenium is significantly promoted.It joined molybdenum powder, experiment card in selenium-supply ceramics of the present invention
It is real, water is contained with selenium-supply ceramics of the present invention, while molybdenum element content increases in water, selenium is also more dissolved out, and illustrates this hair
The dissolution of selenium is not to rely on free diffusing effect in visible subsidy selenium ceramics.The present invention breaches supplement selenium element will selenium element
The inertial thinking as raw material is added in (or selenium-rich substance).
Selenium-supply ceramics of the present invention are contacted by the water and food contained with it, supplement selenium element.Selenium-supply ceramics molybdenum and selenium
The amount of dissolution is stablized, long action time, is used for a long time beneficial to human health.
Specific embodiment
The technical solution of the present invention is not limited to the following list, further includes between each specific embodiment
Any combination.
Specific embodiment 1: present embodiment selenium-supply ceramics are mainly made of kaolin and molybdenum powder；Kaolin and molybdenum powder
Mass ratio be 10 ︰ 1~1.5.
Molybdenum is liver in animal body, one of fundamental component of xanthine oxidase, Oxidation of aldehydes enzyme and sulfurous acid liver in intestines
The fundamental component of plain oxidizing ferment.Molybdenum can preventing decayed tooth, have a strong inhibition effect to the formation of urinary calculus, human body lacks molybdenum and is susceptible to suffer from kidney knot
Stone.Molybdenum is known uniquely to the essential element of people, compared with similar transition elements, molybdenum in second, third class transition elements
Toxicity it is extremely low, or even be believed that it is substantially nontoxic.
Specific embodiment 2: the difference of present embodiment and specific embodiment one is: selenium-supply ceramic system is for raw material
In further include water.It is other identical as embodiment one.
Specific embodiment 3: the difference of present embodiment and specific embodiment one or two is: molybdenum powder partial size≤200
Mesh.It is other identical as embodiment one or two.
Specific embodiment 4: the difference of present embodiment and specific embodiment one, two or three is: selenium-supply ceramic system
It further include clay in standby raw material.It is other identical as embodiment one, two or three.
Specific embodiment 5: present embodiment selenium-supply ceramics are prepared according to the following steps:
One, kaolin is poured into interspace ball mill plus water carries out ball milling, then crossed 120 meshes, obtain No.1 mud；
Two, No.1 mud is taken out into addition molybdenum powder continuation ball milling and obtains No. two mud after 120 meshes；Wherein, molybdenum powder
It is 1~1.5 ︰ 10 with mass ratio kaolinic in No.1 mud；
Three, No. two mud are put into drying box, low temperature drying to moisture is 20%~23%, then takes out and is put into vacuum
Plasticity mud item is obtained in pug mill；
Four, mud stripping and slicing is put into the mold of harder, is pressed into biscuit；
Five, biscuit of polishing after base is evaporated to moisture is shone, electrical kiln firing is then placed in；Kiln in 0~400 DEG C of temperature-rise period of electrical kiln
Door is semi-open, and kiln temperature is more than the heating of closing wicket, firing after 400 DEG C；It is oxidizing atmosphere in kiln；Firing temperature is 1240
DEG C, the electrical kiln firing time is 9~9.5 hours；Soaking time is 1~1.5 hour.
Specific embodiment 6: the difference of present embodiment and specific embodiment five is: ratio of grinding media to material is in step 1
1.5 ︰ 1, big bulb diameter is 20mm, the small ball's diameter 10mm, and the number ratio of big ball and bead is 1 ︰ 5, and Ball-milling Time is 2~2.5
Hour.Other steps and parameter are identical as embodiment five.
Specific embodiment 7: the difference of present embodiment and specific embodiment five or six is: ball material in step 2
Than for 2.5 ︰ 1, ball radius 20mm, Ball-milling Time is 0.5 hour.Other steps and parameter and embodiment five or six phases
Together.
Embodiment 1
Ceramics are prepared according to the following steps:
One, kaolin is poured into interspace ball mill plus water carries out ball milling, then crossed 120 meshes, obtain No.1 mud；Its
Middle ratio of grinding media to material is 1.5 ︰ 1, and big bulb diameter is 20mm, the small ball's diameter 10mm, and the number ratio of big ball and bead is 1 ︰ 5, when ball milling
Between be 2 hours；
Two, No.1 mud is taken out into addition molybdenum powder continuation ball milling and obtains No. two mud after 120 meshes；Wherein, molybdenum powder
It is 1 ︰ 10 with mass ratio kaolinic in No.1 mud；Ratio of grinding media to material is 2.5 ︰ 1, and ball radius 20mm, Ball-milling Time is 0.5 small
When；
Three, No. two mud are put into drying box, low temperature drying to moisture is 20%, then takes out and is put into vacuum deairing machine
Inside obtain plasticity mud item；
Four, mud stripping and slicing is put into the mold of harder, is pressed into biscuit；
Five, biscuit of polishing after base is evaporated to moisture is shone, electrical kiln firing is then placed in；Kiln in 0~400 DEG C of temperature-rise period of electrical kiln
Door is semi-open, and kiln temperature is more than the heating of closing wicket, firing after 400 DEG C；It is oxidizing atmosphere in kiln；Firing temperature is 1240
DEG C, the electrical kiln firing time is 9 hours；Soaking time is 1 hour.
Embodiment 2
Difference of the present embodiment from embodiment 1 is in step 2 that molybdenum powder is with kaolinic mass ratio in No.1 mud
1.5 ︰ 10.
Embodiment 3
The difference of the present embodiment and embodiment 1 is to substitute kaolin with clay.
Embodiment 4
The difference of the present embodiment and embodiment 1 is respectively with Cr, Zr, Pd, iron substitution molybdenum.
Embodiment 5
The difference of the present embodiment and embodiment 1 is that step 1 pours into kaolin and clay and adds water in interspace ball mill
Ball milling is carried out, 120 meshes is then crossed, obtains No.1 mud；Wherein, the mass ratio of kaolin and clay is 61:39.
Experiment:
Blank group: the difference of blank group and the present embodiment and embodiment 1 is to be added without molybdenum powder.
Examples 1 to 5 and blank group use equal dies, and a length of 5cm, width 5cm, a height of 11cm, wall thickness 1mm is made
The test ceramic vessel of~1.5mm.
Each test is sealed with the deionized water for pouring into 1L in ceramic vessel, temperature is 100 DEG C, detects member in water afterwards for 24 hours
Cellulose content, experimental result are as shown in table 1.Then a deionized water is changed every 24, detects element in water after 1 month again and contains
Amount, experimental result are as shown in table 2.
Table 1 (unit: mg/L)
Table 2 (unit: mg/L)
Experiment finds that the content of vanadium, selenium and molybdenum element in the water of selenium-supply of the present invention ceramic (embodiment 1,2 and 5) splendid attire is obvious
Increase；The content of vanadium, selenium and molybdenum element is still higher than blank group in the water that continuous use is contained after 30 days.
Vanadium can be lost daily through urine portion.Research thinks that vanadium is potentially contributed to prevent Cholesterol Accumulation, be reduced at present
High blood glucose prevents saprodontia, help from manufacturing red blood cell.So selenium-supply ceramics of the present invention increase the magnitude of recruitment of vanadium, to human health
It is beneficial.
Vanadium, selenium and molybdenum be all it is beneficial to human body, must microelement, daily suitable supplement to keep human health,
It is helpful to prevent disease.The vessel for containing water or food, increasing while having use value are made of selenium-supply ceramics of the present invention
Add healthcare function.It can control the amount of drinking according to own situation, to adjust the intake of element, avoid excessive supplement.
Claims (5)
1. selenium-supply is ceramic, it is characterised in that selenium-supply ceramics are made of kaolin and molybdenum powder；The mass ratio of kaolin and molybdenum powder is 10 ︰
1~1.5；Its preparation step is as follows:
One, kaolin is poured into interspace ball mill plus water carries out ball milling, then crossed 120 meshes, obtain No.1 mud；
Two, No.1 mud is taken out into addition molybdenum powder continuation ball milling and obtains No. two mud after 120 meshes；Wherein, molybdenum powder and one
Kaolinic mass ratio is 1~1.5 ︰ 10 in number mud；
Three, No. two mud are put into drying box, low temperature drying to moisture is 20%~23%, then takes out and is put into vacuum pugging
Plasticity mud item is obtained in machine；
Four, mud stripping and slicing is put into the mold of harder, is pressed into biscuit；
Five, biscuit of polishing after base is evaporated to moisture is shone, electrical kiln firing is then placed in；Wicket half in 0~400 DEG C of temperature-rise period of electrical kiln
It opens, kiln temperature is more than the heating of closing wicket, firing after 400 DEG C；It is oxidizing atmosphere in kiln；Firing temperature is 1240 DEG C, electricity
The kiln firing time is 9~9.5 hours；Soaking time is 1~1.5 hour.
2. selenium-supply ceramics according to claim 1, it is characterised in that molybdenum powder partial size≤200 mesh.
3. the preparation method of the ceramics of selenium-supply described in claim 1, it is characterised in that selenium-supply ceramics are prepared according to the following steps:
One, kaolin is poured into interspace ball mill plus water carries out ball milling, then crossed 120 meshes, obtain No.1 mud；
Two, No.1 mud is taken out into addition molybdenum powder continuation ball milling and obtains No. two mud after 120 meshes；Wherein, molybdenum powder and one
Kaolinic mass ratio is 1~1.5 ︰ 10 in number mud；
Three, No. two mud are put into drying box, low temperature drying to moisture is 20%~23%, then takes out and is put into vacuum pugging
Plasticity mud item is obtained in machine；
Four, mud stripping and slicing is put into the mold of harder, is pressed into biscuit；
Five, biscuit of polishing after base is evaporated to moisture is shone, electrical kiln firing is then placed in；Wicket half in 0~400 DEG C of temperature-rise period of electrical kiln
It opens, kiln temperature is more than the heating of closing wicket, firing after 400 DEG C；It is oxidizing atmosphere in kiln；Firing temperature is 1240 DEG C, electricity
The kiln firing time is 9~9.5 hours；Soaking time is 1~1.5 hour.
4. the preparation method of selenium-supply ceramics according to claim 3, it is characterised in that ratio of grinding media to material is 1.5 ︰ 1 in step 1,
Big bulb diameter is 20mm, the small ball's diameter 10mm, and the number ratio of big ball and bead is 1 ︰ 5, and Ball-milling Time is 2~2.5 hours.
5. the preparation method of selenium-supply ceramics according to claim 3, it is characterised in that ratio of grinding media to material is 2.5 ︰ 1 in step 2,
Ball radius is 20mm, and Ball-milling Time is 0.5 hour.
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| CN110483012A (en) * | 2019-08-30 | 2019-11-22 | 西北大学 | A kind of selenium-rich ceramic material and preparation method thereof |
| CN110803913A (en) * | 2019-11-14 | 2020-02-18 | 德化县嘉祥陶瓷有限公司 | Porous water-absorbing red pottery steamed block and preparation method thereof |
| CN110683829A (en) * | 2019-11-20 | 2020-01-14 | 西北大学 | Preparation method of natural selenium-rich pottery |
Citations (3)
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| CN103361531A (en) * | 2013-07-18 | 2013-10-23 | 厦门格睿伟业电子科技有限公司 | High-temperature co-firing ceramic slurry and preparation method thereof |
| CN104876632A (en) * | 2015-05-18 | 2015-09-02 | 青岛海蓝海洋复合功能材料科技有限公司 | High-performance ceramic cutter |
| CN104987039A (en) * | 2015-06-10 | 2015-10-21 | 安徽省德邦瓷业有限公司 | High temperature resistance oil ceramic ware and preparation method thereof |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103361531A (en) * | 2013-07-18 | 2013-10-23 | 厦门格睿伟业电子科技有限公司 | High-temperature co-firing ceramic slurry and preparation method thereof |
| CN104876632A (en) * | 2015-05-18 | 2015-09-02 | 青岛海蓝海洋复合功能材料科技有限公司 | High-performance ceramic cutter |
| CN104987039A (en) * | 2015-06-10 | 2015-10-21 | 安徽省德邦瓷业有限公司 | High temperature resistance oil ceramic ware and preparation method thereof |
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