CN102092949A - Formula and process for producing microcrystalline slabs by using medicinal stone - Google Patents
Formula and process for producing microcrystalline slabs by using medicinal stone Download PDFInfo
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- CN102092949A CN102092949A CN2009102311610A CN200910231161A CN102092949A CN 102092949 A CN102092949 A CN 102092949A CN 2009102311610 A CN2009102311610 A CN 2009102311610A CN 200910231161 A CN200910231161 A CN 200910231161A CN 102092949 A CN102092949 A CN 102092949A
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- crystallization
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- crystal board
- shrend
- medical stone
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Abstract
The invention discloses a formula and a process for producing microcrystalline slabs by using medicinal stone. The formula comprises medicinal stone powder, calcium stone powder, quartz sand, barium carbonate, sodium carbonate, clarifying agent and coloring agent. The producing process mainly comprises the following steps of: mixing the raw materials uniformly, putting the mixture into a melting kiln, melting the mixture into glass melt at the temperature of between 1,420 and 1,550 DEG C, quenching the glass melt into granules with diameter of 0 to 6 millimeters by using water, filling the granules into a die, putting the die into a crystallization kiln, performing crystallization sintering at the temperature of between 850 and 1,180 DEG C, keeping the crystallization heat preservation time for 10 to 80 minutes, then annealing and discharging the die from the kiln, and performing die release, grinding, polishing, cutting and packing to obtain microcrystalline slab finished products. The process has the characteristics of low product cost, low crystallization temperature, short crystallization time, high production efficiency, high product qualification rate, energy conservation and the like.
Description
Technical field:
The invention belongs to a kind of building materials industry, particularly relate to prescription and the production technique of utilizing medical stone to prepare micro-crystal board material.
Background technology:
Micro-crystal board material claims glass-ceramic again, has good physicochemical property, and its Mohs' hardness is 5.5 ~ 8, and ultimate compression strength is 360 ~ 680MPa, and folding strength is 30 ~ 70MPa, and resistance to impact shock is 2.0 ~ 4.8Kg/cm
2, glossiness is 80 ~ 110 ℃, the coefficient of expansion is (10 ~ 100) * 10
-7/ ℃, water-intake rate＜0.05%, has good acid-proof alkaline, therefore be widely used as building and ornament materials, table sheet, tubing, foundry goods, sealing member etc., texture and sparkling and crystal-clear soft gloss that plate product surface after polishing has magnificent, sense organ elegance more are subjected to architectural design circle and owner's favor.Exactly because it is attractive in appearance to have these color and lusters, appearance is magnificent, wear-resistant, do not fade, corrosion-resistant, safety, environmental protection, health, property such as self-cleaning, make micro-crystal board material become 21st century lithotome and the best substitute products of ceramic veneer, become the environment-friendly architecture ornament novel material of international popular, be widely used in medium-to-high grade level hotel, the restaurant, the market, office building, the station, the airport, in the buildingss such as dwelling house, in being used for, exterior wall, ground, other numerous medium-to-high grade building such as hotel on the decoration of table top and the market, the market, the post office, telecommunication authority, hospital, bank, electric power, public places such as urban construction.
In Europe, the United States, Russia, day country, the research starting of micro-crystal board material is morning, and micro-crystal board material the seventies comes into vogue, and has only the more advanced country of minority industry such as the U.S., USSR (Union of Soviet Socialist Republics) and a day instinct to organize suitability for industrialized production at present, and they are with pure chemistry raw material SiO
2, Al
2O
3, CaO, MgO etc. are formulated, and its production method mainly contains two kinds, and a kind of is rolling process, earlier with micro-crystal board material raw material mechanical pressing, and then carries out crystallization; Another kind is a water quenching, earlier the micro-crystal board material raw material is fused into the glass slag charge, and mechanical pressing or utilize the saggar moulding carries out crystallization at last again.At initial period, after product mainly uses slag and other frit mixed melting, adopt the rolling process explained hereafter to make dull and stereotyped sintered glass ceramics, behind rubbing down, make it to have the sheet material of beautiful decorative pattern again, be used for building decoration.Middle nineteen seventies, Japan takes the lead in developing the sintering process micro-crystal board material and has realized suitability for industrialized production, and at that time owing to complex manufacturing, by Japanese's monopolization, China relies on import to core technology for a long time always.
Micro-crystal board material adopts the production technology of cleaning, do not produce pollutent in the production process, and can utilize industry such as mill tailings, coal gangue, flyash and municipal solid wastes in a large number as producing desired raw material, save natural resources, so just regarded as " green building material of Sustainable development " as far back as 1987 by international environmental protection organization.Two during the last ten years, micro-crystal board material is admitted by the building trade of countries in the world with the environmental-protecting performance of its unique superior aesthetic feeling, high-grade texture, physical and chemical index and " safety, healthy, health ", and is widely used in all kinds of senior venues such as subway, hotel, restaurant, airport, commercial mansion.In June, 1998, in international fair of Italian Carrara and the international stone material expo of Nuremberg, Germany, the Japanese NEG commission merchant of company in Europe released ultrathin micro-crystal board material and anti-slip type micro-crystal board material, and the international building industry shows great attention to immediately.
Summary of the invention:
The present invention utilizes medical stone to prepare the prescription of micro-crystal board material and the purpose of production technique, provide a kind of prescription and production technique of utilizing medical stone to prepare micro-crystal board material at the problems referred to above exactly, it selects medical stone for use is main raw material, can use no or little metal oxide, reduce production costs, reduce crystallization temperature, shorten the crystallization soaking time, raise labour productivity, save the energy.
The present invention utilizes medical stone to prepare the prescription and the production technique of micro-crystal board material, and the medical stone powder main chemical compositions of selecting for use is inorganic silico-aluminate.Comprising Si
2O
3, Fe
2O
3, FeO, MgO, CaO, k
2O, Na
2O, TiO
2, P
2O
5, MnO etc., also contain the required whole major elements of animal, as: trace element and rare earth elements such as K, Na, Ca, Mg, Cu, Mo, about 58 kinds more than, its Chemical Composition is SiO
257.08%, Al
2O
315.39%, Fe
2O
38.78%, CaO 5.39%, K
2O 3.04%, Na
2O 2.41%, TiO
20.65% and multiple rare earth element such as La, Ce, Py, Nd, Sm etc., it is low silicon, high alumina, high ferro, is rich in rare earth element, forms very favourable to micro-crystal board material.
Prescription and production technique that the present invention utilizes medical stone to prepare micro-crystal board material comprise the following steps:
1. mixing raw material: raw material is pressed column weight amount percentage mix together, puddle evenly:
Medical stone powder degree 0.1 ~ 0.7mm 25 ~ 65%
Calcite in powder granularity 0.1 ~ 0.7mm 12 ~ 30%
Quartz sand size 0.1 ~ 0.3mm 20 ~ 45%
Yellow soda ash 3.5 ~ 10.5%
Borax 0 ~ 3%
Barium carbonate 0.5 ~ 6.5%
Zinc oxide 0 ~ 6.5%
Finings 0 ~ 1%
Tinting material 0 ~ 6%
Wherein said toning agent comprises Cr
2O
3, CoO, CuO, nickel oxide, nickel protoxide, ferric oxide, manganese oxide, cadmium red, cadmium yellow, selenium powder;
2. high temperature melting: above-mentioned mixing raw material is put into glass furnace be fused into glass metal, 1420 ~ 1550 ℃ of temperature of fusion;
3. shrend: glass metal is flowed in the tank, and shrend becomes the particulate material of diameter 0 ~ 6mm;
4. dress mould: above-mentioned pellet is packed in the mould;
5. heating crystallization: the mould of the good pellet of above-mentioned cloth is put into crystallization kiln internal heating crystallization, 850 ~ 1180 ℃ of crystallization temperatures, crystallization soaking time 10 ~ 80 minutes;
6. kiln discharge: in crystallization kiln, anneal, be annealed to 150 ~ 250 ℃ of temperature, 3 ~ 6 hours time, kiln discharge cooling;
7. the demoulding: the kiln discharge cooling is the work in-process in the mould that the crystallite hair plates takes out, and places crystallite hair plates zone, and is to be processed;
8. processing treatment: the crystallite hair plates is ground, polishes, cuts, be packaged as finished product, for sale.
This product processes adopts shrend sintering crystallization method, shrend sintering crystallization method is specific cooperation raw material to be fused into glass metal flow out, behind the shrend compressing tablet, become the small-particle of specified range fineness, drying is laid on the special refractory-material dies then, enters the crystallization kiln, finish the thermal treatment dominated crystallization process and become the crystallite hair plates, after the kiln discharge cooling, carry out grinding and polishing again and handle, cutting is packaged as finished product.This production technique distinctive feature is to have used the controlled crystallization and thermal treatment technology new technology of Watch glass pellet pretreatment technology and multistage operation, and the flexible Controlling System technology of adjusting in the thermal technology interface of using domestic and international advanced level, dwindled each the interim temperature difference in the kiln combustion process to greatest extent, guarantee to form the minimum may command roughness index of product, and make product surface crystallized and stereoeffect reach optimum regime, thereby the every integrated performance index of product is greatly improved.
Description of drawings: Fig. 1 produces the prescription and the production technique synoptic diagram of micro-crystal board material for the present invention utilizes medical stone.By raw material 1, mix 2, fusing 3, shrend 4, go into that mould 5, crystallization handle 6, kiln discharge 7, check 8, grinding and polishing 9, cutting 10, check 11, packing 12, finished product 13 form.
Mechanical performance and physical and chemical index with the micro-crystal board material of production technology of the present invention preparation are:
Proportion 2.6 ~ 2.75 acidproof rates 99.7%
95 ℃ of Morse hardness 6.0 ~ 8.5 glossiness
Tensile strength 360mpa water absorption rate＜0.005%
The alkaline-resisting rate 98% of rupture strength 48mpa
The present invention compared with the prior art its major advantage is, utilize natural medical stone to be primary raw material, can with few metal oxide of using, greatly reduce cost of material, reduce crystallization temperature and shorten crystallization time, can produce continuously, thereby enhance productivity, output increased is saved the energy, improves Business Economic Benefit.
Be described further below in conjunction with embodiment.
Embodiment one
Medical stone powder 42% calcite in powder 18% quartz sand 30%
Finings 0.5% tinting material 1%
Above-mentioned raw materials mixed puddle evenly, put into smelting furnace and be fused into glass metal through 1500 ℃ of temperature, become particulate material below the 6mm through shrend again, pack in the mould, put into crystallization kiln internal heating to 1080 and ℃ carry out crystallization, crystallization soaking time 40 minutes, annealing cooling then, be cooled to 200 ℃, 5 hours time, kiln discharge is after the demoulding, grinding, polishing, cutting obtain blackish green micro-crystal board material finished product.
Embodiment two
Medical stone powder 50% calcite in powder 18% quartz sand 24%
Finings 0.5%
Above-mentioned raw materials mixed puddle evenly, put into smelting furnace and be fused into glass metal through 1520 ℃ of temperature, become particulate material below the 6mm through shrend again, pack in the mould, put into crystallization kiln internal heating to 1150 and ℃ carry out crystallization, crystallization soaking time 30 minutes, annealing cooling then, be cooled to 200 ℃, 5 hours time, kiln discharge is after the demoulding, grinding, polishing, cutting obtain dark blue or green brown micro-crystal board material finished product.
Embodiment three
Medical stone powder 36% calcite in powder 20% quartz sand 34%
Finings 0.5% CoO 0.02%
Above-mentioned raw materials mixed puddle evenly, put into smelting furnace and be fused into glass metal through 1550 ℃ of temperature, become particulate material below the 6mm through shrend again, pack in the mould, put into crystallization kiln internal heating to 1150 and ℃ carry out crystallization, crystallization soaking time 30 minutes, annealing cooling then, be cooled to 200 ℃, 5 hours time, kiln discharge is after the demoulding, grinding, polishing, cutting obtain dark-grey cyan micro-crystal board material finished product.
Claims (4)
1. utilize medical stone to produce the prescription and the production technique of micro-crystal board material, it is characterized in that comprising the following steps:
(1) spice: raw material is pressed column weight amount percentage mix together, puddle evenly:
Medical stone powder degree 0.1～0.7mm 35～65%
Calcite in powder granularity 0.1～0.7mm 12～25%
Quartz sand size 0.1～0.3mm 15～35%
Barium carbonate 1～8%
Yellow soda ash 1.5～10.5%
Zinc oxide 0～6.5%
Finings 0～1%
Toning agent 0～6%
(2) high temperature melting: above-mentioned compound is put into glass furnace be fused into glass metal, 1420～1550 ℃ of temperature of fusion;
(3) shrend: glass metal is flowed in the tank, and shrend becomes the particulate material of diameter 0～6mm;
(4) dress mould: above-mentioned particulate material is packed in the mould:
(5) heating crystallization: the mould of the good particulate material of above-mentioned cloth is put into crystallization kiln internal heating crystallization, 850～1180 ℃ of crystallization temperatures, crystallization soaking time 10～80 minutes;
(6) annealing kiln discharge: in crystallization kiln, anneal, be annealed to 150～250 ℃ of temperature, 3～6 hours time, kiln discharge cooling;
(7) demoulding: after the kiln discharge cooling, be the work in-process in the mould that the crystallite hair plates takes out, concentrate and place crystallite hair plates zone, to be processed;
(8) processing treatment: the crystallite hair plates is ground, polishes, cuts, be packaged as finished product, for sale.
2. prescription and the production technique of utilizing medical stone to produce micro-crystal board material according to claim 1 is characterized in that toning agent comprises Cr
2O
3, CoO, CuO, nickel protoxide, nickel oxide, ferric oxide, manganese oxide, cadmium red, cadmium yellow, selenium powder.
3. prescription and the production technique of utilizing medical stone to produce micro-crystal board material according to claim 1, it is characterized in that shrend sintering crystallization method is specific cooperation raw material to be fused into glass metal flow out, behind the shrend compressing tablet, become the small-particle of specified range fineness, drying is laid on the special refractory-material dies then, enters the crystallization kiln, finish the thermal treatment dominated crystallization process and become the crystallite hair plates, after the kiln discharge cooling, carry out grinding and polishing again and handle, cutting is packaged as finished product.This production technique distinctive feature is to have used the controlled crystallization and thermal treatment technology new technology of Watch glass pellet pretreatment technology and multistage operation, and the flexible Controlling System technology of adjusting in the thermal technology interface of using domestic and international advanced level, dwindled each the interim temperature difference in the kiln combustion process to greatest extent, guarantee to form the minimum may command roughness index of product, and make product surface crystallized and stereoeffect reach optimum regime, thereby the every integrated performance index of product is greatly improved.
4. prescription and the production technique of utilizing medical stone to produce micro-crystal board material according to claim 1 is characterized in that its technological process of production is: raw material → mixing → fusing → shrend → go into mould → crystallization processing → kiln discharge → check → grinding and polishing → cutting → check → packing → finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102311610A CN102092949A (en) | 2009-12-10 | 2009-12-10 | Formula and process for producing microcrystalline slabs by using medicinal stone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102311610A CN102092949A (en) | 2009-12-10 | 2009-12-10 | Formula and process for producing microcrystalline slabs by using medicinal stone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102092949A true CN102092949A (en) | 2011-06-15 |
Family
ID=44126237
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102311610A Pending CN102092949A (en) | 2009-12-10 | 2009-12-10 | Formula and process for producing microcrystalline slabs by using medicinal stone |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106082654A (en) * | 2016-08-17 | 2016-11-09 | 邓胜 | A kind of energy glass preparation method and goods thereof |
| CN115745380A (en) * | 2022-10-31 | 2023-03-07 | 苏州大学 | Light sintered microcrystal plate and sintering process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1098706A (en) * | 1993-08-10 | 1995-02-15 | 肖绍展 | Stone-imitative devitrified glass and production method thereof |
| CN1107811A (en) * | 1994-12-06 | 1995-09-06 | 唐山市燕山产业有限公司 | Process for producing large devitrified glass decorative board |
| CN1163868A (en) * | 1996-04-30 | 1997-11-05 | 赵凤宇 | Process and equipment for preparing nucleated glass using nepheline |
| CN1919764A (en) * | 2006-10-09 | 2007-02-28 | 雷恒孚 | Manufacture method of large-size glass-ceramic decoration plate |
-
2009
- 2009-12-10 CN CN2009102311610A patent/CN102092949A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1098706A (en) * | 1993-08-10 | 1995-02-15 | 肖绍展 | Stone-imitative devitrified glass and production method thereof |
| CN1107811A (en) * | 1994-12-06 | 1995-09-06 | 唐山市燕山产业有限公司 | Process for producing large devitrified glass decorative board |
| CN1163868A (en) * | 1996-04-30 | 1997-11-05 | 赵凤宇 | Process and equipment for preparing nucleated glass using nepheline |
| CN1919764A (en) * | 2006-10-09 | 2007-02-28 | 雷恒孚 | Manufacture method of large-size glass-ceramic decoration plate |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106082654A (en) * | 2016-08-17 | 2016-11-09 | 邓胜 | A kind of energy glass preparation method and goods thereof |
| CN115745380A (en) * | 2022-10-31 | 2023-03-07 | 苏州大学 | Light sintered microcrystal plate and sintering process thereof |
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| DD01 | Delivery of document by public notice |
Addressee: Zibo Yujing New Materials Technology Co.,Ltd. Document name: Notification of Passing Preliminary Examination of the Application for Invention |
|
| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20110615 |
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| RJ01 | Rejection of invention patent application after publication |