WO2017206413A1 - 低膨胀陶瓷烤网及其制备方法 - Google Patents

低膨胀陶瓷烤网及其制备方法 Download PDF

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WO2017206413A1
WO2017206413A1 PCT/CN2016/101785 CN2016101785W WO2017206413A1 WO 2017206413 A1 WO2017206413 A1 WO 2017206413A1 CN 2016101785 W CN2016101785 W CN 2016101785W WO 2017206413 A1 WO2017206413 A1 WO 2017206413A1
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glaze
blank
preparing
ceramic
expansion ceramic
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PCT/CN2016/101785
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French (fr)
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李勇德
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李勇德
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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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
    • C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
    • C04B35/195—Alkaline earth aluminosilicates, e.g. cordierite or anorthite
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
    • C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5022—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with vitreous materials
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/85—Coating or impregnation with inorganic materials
    • C04B41/86—Glazes; Cold glazes
    • 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
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • 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
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3427—Silicates other than clay, e.g. water glass
    • C04B2235/3463—Alumino-silicates other than clay, e.g. mullite
    • C04B2235/3472—Alkali metal alumino-silicates other than clay, e.g. spodumene, alkali feldspars such as albite or orthoclase, micas such as muscovite, zeolites such as natrolite
    • 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
    • C04B2235/34—Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/349—Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite

Definitions

  • the invention relates to a grilling net, in particular to a low-expansion ceramic grilling net and a preparation method of the low-expansion ceramic grilling net.
  • the materials of the barbecue net products used at home and abroad are mainly made by adding a coating on the surface of the metal, thereby making the barbecue net more environmentally friendly and using for a longer period of time.
  • a coating on the surface of the metal, thereby making the barbecue net more environmentally friendly and using for a longer period of time.
  • the metal grilling net pollutes the environment after being discarded, and the recycling cost is high.
  • the technical problem to be solved by the invention is to solve the problem that the common metal grilling net has toxicity and pollutes the environment.
  • the method for preparing a low-expansion ceramic grilling net comprises: a method for preparing a green body, a method for preparing a blank glaze, and a method for applying a glaze.
  • the method for preparing the green body comprises:
  • Step S100 selecting lithium feldspar, spodumene, synthetic cordierite, Fujian Longyan kaolin, zirconium silicate, according to lithium feldspar 15 to 30%, spodumene 20 to 30%, synthetic cordierite 30 to 40% , Fujian Longyan kaolin 10 ⁇ 25%, zirconium silicate 8 ⁇ 15% to form a mixture;
  • Step S110 adding water to the mixture of the body, uniformly mixing and ball-milling into a slurry of the body;
  • Step S120 removing the green body slurry, removing the iron, drying and spraying into a ceramic circular powder
  • Step S130 homogenizing the ceramic circular powder to be pressed into a blank
  • Step S140 drying the blank and burning it to form a blank for use
  • preparation method of the blank glaze comprises:
  • Step S200 selecting 50 to 70% of lithium feldspar, 5 to 15% of Guizhou kaolin, 5 to 25% of Pingxiang quartz, 2 to 10% of talc, 2 to 10% of zinc oxide, and 2 to 10% of environmentally friendly frit. Forming a glaze mixture;
  • Step S210 adding water to the glaze mixture, uniformly mixing and ball-milling into a glaze slurry
  • Step S220 removing the iron from the glaze slurry to form a blank glaze
  • the glazing method comprises:
  • Step S300 trimming, chamfering, and dimensioning the blank
  • Step S310 applying the blank glaze to the outer surface of the blank, and trimming again to form a semi-finished product
  • Step S320 The semi-finished product is put into the kiln for glaze burning.
  • the stale time is 2 days.
  • the ceramic circular powder has a size of 20 mesh to 80 mesh and a water content of 7 to 10%.
  • the blank is dried in a drying kiln at 50 ° C to 150 ° C, and the moisture of the blank after drying is 1% or less.
  • the temperature of the raw material in the furnace is 900 ° C to 1100 ° C.
  • the temperature of the semi-finished product into the kiln is 1200 ° C to 1250 ° C.
  • the blank glaze is applied to the outer surface of the blank by means of electrostatic glazing or immersion.
  • the present invention also provides a low expansion ceramic grilling net comprising: a blank body and a glaze composition of the glaze burned outside the blank body, the green body comprising 15 to 30% of lithium feldspar, lithium 20-30% of pyroxene, 30-40% of synthetic cordierite, 10-25% of Fujian Longyan kaolin, and 8-15% of zirconium silicate; the glaze includes 50-70% of lithium feldspar and 5-15 of Guizhou kaolin. %, Pingxiang quartz 5 to 25%, talc 2 to 10%, zinc oxide 2 to 10%, environmentally friendly frit 2 to 10%.
  • the preparation method of the low-expansion ceramic baking net disclosed by the invention has the advantages of simple process and low raw material cost; the ceramic baking net prepared by the method has the texture hard and is not easy to be deformed; fine, easy to clean and durable.
  • the ceramic grill net avoids the possibility of heavy metal release to the body, and the ceramic grill net is easy to degrade, and will not pollute the environment after being discarded, thereby being cleaner and more environmentally friendly.
  • FIG. 1 is a schematic flow chart of a preparation method of a low expansion ceramic baking net according to the present invention.
  • FIG. 1 a method for preparing a low expansion ceramic grilling net provided by the present invention, comprising a method for preparing a green body, a method for preparing a blank glaze, and a method for applying a glaze;
  • the method for preparing the green body comprises:
  • Step S100 forming a green body mixture according to the ratio of the raw materials.
  • the green body mixture is preferably mixed with lithium feldspar, spodumene, synthetic cordierite, Fujian Longyan kaolin, and zirconium silicate component, and the following table is only a few mixed examples of the mixture.
  • Step S110 adding the water mixture to the mixture, uniformly mixing and ball milling into a green body slurry.
  • the green body mixture is weighed into a feeder according to a proportional ratio, and is conveyed by a conveyor belt to a ball mill for mixing, and a water ball is ground into a slurry in the ball mill.
  • Step S120 After the green body slurry is aged, the iron is removed, dried and sprayed into a ceramic circular powder.
  • the stale time is 2 days.
  • the time of staleness is related to the fineness of the mud. When the fineness of the mud is finer, the time of staleness is shorter.
  • the stale mud can ensure that the different raw materials inside the sediment are evenly settled, which is beneficial to the heat conduction of the finished product and reduces the expansion coefficient.
  • Step S130 homogenizing the ceramic circular powder to be pressed into a blank.
  • the ceramic round powder was 20 mesh and had a water content of 7%.
  • the ceramic circular powder is not too fine, if the viscosity is too small, the viscosity is lowered, and if it is too thick, the force is weakened.
  • the size of the ceramic circular powder is not less than 20 mesh, but it cannot exceed 80 mesh; at the same time the water content should not exceed 10%.
  • Step S140 drying the blank and firing it to form a blank for use.
  • the blank was dried in a drying kiln at 50 ° C, and the moisture of the blank was less than 1% after drying.
  • the temperature of the raw material in the firing furnace was 900 ° C.
  • the blank may also be dried at a temperature of no greater than 150 ° C, and the temperature in the prime furnace should not be greater than 1500 ° C.
  • the preparation method of the blank glaze includes:
  • Step S200 forming a glaze mixture according to the ratio of the raw materials; in the embodiment, the glaze The mixture includes: lithium feldspar, Guizhou kaolin, Pingxiang quartz, talc, zinc oxide and barium silicate.
  • the following table is a few mixed examples of raw materials:
  • Step S210 adding the water glaze mixture in Table 2 to water, uniformly mixing and ball-milling into a glaze slurry;
  • Step S220 removing the iron from the glaze slurry to form a blank glaze
  • the glazing method includes:
  • Step S300 trimming, chamfering, and dimensioning the blank
  • Step S310 applying the blank glaze to the outer surface of the blank, and trimming again to form a semi-finished product; the blank glaze is applied to the outer surface of the blank by means of electrostatic glazing or immersion glaze.
  • Step S320 The semi-finished product is put into the kiln for glaze burning.
  • the semi-finished product is glazed at a temperature of 1200 ° C, and the temperature is not higher than 1250 ° C.
  • the preparation method of the low-expansion ceramic baking net disclosed by the invention has the advantages of simple process and low raw material cost; the ceramic baking net prepared by the method has the texture hard and is not easy to be deformed; fine, easy to clean and durable.
  • the ceramic grill net avoids the possibility of heavy metal release to the body, and the ceramic grill net is easy to degrade, and will not pollute the environment after being discarded, thereby being cleaner and more environmentally friendly.
  • the low-expansion ceramic grilling net comprises: a blank body and a glaze composition of the glaze burned outside the blank body, the blank body comprises 20% of lithium feldspar, 20% of spodumene, 30% of synthetic cordierite, and Fujian Longyan kaolin 10%, zirconium silicate 20%; the glaze includes 65% of lithium feldspar, 10% of Guizhou kaolin, 5% of Pingxiang quartz, 10% of talc, 5% of zinc oxide, and 5% of environmentally friendly frit.
  • the ceramic barbecue net avoids the possibility of heavy metal release to the body, and the ceramic barbecue net is easy to degrade, and does not pollute the environment after being discarded, thereby being cleaner and more environmentally friendly.

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  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
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  • Structural Engineering (AREA)
  • Manufacturing & Machinery (AREA)
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  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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Abstract

一种低膨胀陶瓷烤网制备方法，首先对坯体混合物选用透锂长石，锂辉石，合成堇青石，福建龙岩高岭土，硅酸锆进行配比形成坯体混合物；然后加水混合、除铁、陈腐、干燥、压制并素烧形成坯体；再将透锂长石，贵州高岭土，萍乡石英，滑石，氧化锌，环保熔块进行配比形成坯釉混合物，并同样进行加水混合、除铁后形成坯釉；最后将坯釉涂在经过修整、尺寸加工的坯体上，再进行入窑釉烧。

Description

低膨胀陶瓷烤网及其制备方法 技术领域
本发明涉及一种烤网，尤其涉及一种低膨胀陶瓷烤网及该低膨胀陶瓷烤网制备方法。
背景技术
目前国内外使用的烧烤网产品的材料，主要是由金属经过表面添加涂层的方式，从而使得烧烤网更环保以及使用时间更长。此方法，存在一定的风险，一旦涂层遭到损坏，或者涂层不纯，重金属都有释放污染食物的可能，从而危及人体健康。金属烧烤网，废弃后污染环境，重复利用成本又高。
发明内容
本发明要解决的技术问题是：解决常见金属烤网具有毒性，污染环境的问题。
为实现上述目的，所述低膨胀陶瓷烤网制备方法包括：包括坯体制备方法，坯釉制备方法以及施釉方法。
其中，所述坯体制备方法包括：
步骤S100：选用透锂长石、锂辉石、合成堇青石、福建龙岩高岭土、硅酸锆，按照透锂长石15～30％，锂辉石20～30％，合成堇青石30～40％，福建龙岩高岭土10～25％，硅酸锆8～15％进行配比形成坯体混合物；
步骤S110：将坯体混合物加水、均匀混合并球磨成坯体泥浆；
步骤S120：将所述坯体泥浆陈腐后除铁，干燥并喷成陶瓷圆形粉体；
步骤S130：将所述陶瓷圆形粉体水分均化后压制成毛坯；
步骤S140：将毛坯干燥并素烧，形成坯体备用；
其中，所述坯釉制备方法包括：
步骤S200：选用透锂长石50～70％,贵州高岭土5～15％,萍乡石英5～25％,滑石2～10％,氧化锌2～10％,环保熔块2～10％进行配比形成坯釉混合物；
步骤S210：将所述坯釉混合物加水、均匀混合并球磨成坯釉泥浆；
步骤S220：将所述坯釉泥浆除铁后形成坯釉备用；
其中，所述施釉方法包括：
步骤S300：将所述坯体修整，去角，尺寸加工；
步骤S310：将坯釉施于坯体外表面，并再次修整形成半成品；
步骤S320：将半成品入窑进行釉烧。
进一步的，陈腐的时间为2天。
进一步的，所述陶瓷圆形粉体为20目～80目，且含水率为7～10％。
进一步的，所述毛坯的在50℃～150℃的干燥窑内干燥，干燥后所述毛坯的水分在1％以下。
进一步的，所述毛坯素烧时在素烧炉中的温度为900℃～1100℃。
进一步的，所述半成品入窑釉烧温度为1200℃～1250℃。
进一步的，所述坯釉通过静电喷釉或浸釉的方式施于坯体外表面。
为实现上述目的，本发明还提供了一种低膨胀陶瓷烤网，其包括：坯体及釉烧在坯体外部的坯釉组成，所述坯体包括透锂长石15～30％，锂辉石20～30％，合成堇青石30～40％，福建龙岩高岭土10～25％，硅酸锆8～15％；所述坯釉包括透锂长石50～70％，贵州高岭土5～15％，萍乡石英5～25％，滑石2～10％，氧化锌2～10％，环保熔块2～10％。
本发明公开的低膨胀陶瓷烤网制备方法工艺简单，原料成本低；通过该方法制备出的陶瓷烤网质地坚硬，不易变形；细密，易清洁；耐用。陶瓷烧烤网避免了重金属释放对身体伤害的可能性，而且，该陶瓷烧烤网易降解，废弃后不会对环境造成污染，从而更清洁，更环保。
附图说明
下面结合附图，通过对本发明的具体实施方式详细描述，将使本发明的技术方案及其它有益效果显而易见。
附图中，
图1为本发明低膨胀陶瓷烤网制备方法流程示意图。
附图标号说明：
具体实施方式
为更进一步阐述本发明所采取的技术手段及其效果，以下结合本发明的优选实施例及其附图进行详细描述。
请参阅图1，本发明提供的低膨胀陶瓷烤网制备方法，包括坯体制备方法，坯釉制备方法以及施釉方法；
其中，所述坯体制备方法包括：
步骤S100：按原材配比形成坯体混合物。在本发明中，所述坯体混合物优选的采用透锂长石、锂辉石、合成堇青石、福建龙岩高岭土、硅酸锆组份混合，下表只是该混合的几种混合实施例。
Figure PCTCN2016101785-appb-000001
表1 坯体混合物不同比例组合表
步骤S110：将坯体混合物加水、均匀混合并球磨成坯体泥浆。在本步骤中坯体混合物按照比例配比投入喂料机称重，由输送带输送至球磨机进行混合，在球磨机内加水球磨成泥浆。
步骤S120：将所述坯体泥浆陈腐后除铁，干燥并喷成陶瓷圆形粉体。陈腐的时间为2天。陈腐的时间跟泥浆的细度有关，当泥浆的细度越细，陈腐时间越短。陈腐后的泥浆能够保证其内部不同的原材彼此沉降均匀，有利于成品的导热，且降低膨胀系数。
步骤S130：将所述陶瓷圆形粉体水分均化后压制成毛坯。所述陶瓷圆形粉体为20目，且含水率为7％。在本实施方式中，所述陶瓷圆形粉体不宜过细，过细的话粘度降低，过粗的话受力减弱，在其他实施方式中，陶瓷圆形粉体的大小不小于20目，但也不能超过80目；同时含水率不应大于10％。
步骤S140：将毛坯干燥并素烧，形成坯体备用。所述毛坯的在50℃的干燥窑内干燥，干燥后所述毛坯的水分在1％以下。所述毛坯素烧时在素烧炉中的温度为900℃。
在其他实施方式中，所述毛坯还可以在不大于150℃的温度下干燥，在素烧炉中的温度不应大于1500℃。
所述坯釉制备方法包括：
步骤S200：按原材进行配比形成坯釉混合物；在本实施方式中，所述坯釉 混合物包括：透锂长石、贵州高岭土、萍乡石英、滑石、氧化锌以及硅酸钡。下表是原材的几种混合实施例：
Figure PCTCN2016101785-appb-000002
表2 坯体混合物不同比例组合表
步骤S210：将表2中的所述坯釉混合物加水、均匀混合并球磨成坯釉泥浆；
步骤S220：将所述坯釉泥浆除铁后形成坯釉备用；
所述施釉方法包括：
步骤S300：将所述坯体修整，去角，尺寸加工；
步骤S310：将坯釉施于坯体外表面，并再次修整形成半成品；所述坯釉通过静电喷釉或浸釉的方式施于坯体外表面。
经过在坯体表面施釉，该陶瓷烤网表面不容易沾粘污物，比较容易清理。
步骤S320：将半成品入窑进行釉烧。所述半成品入窑釉烧温度为1200℃，该温度至高不超过1250℃。
本发明公开的低膨胀陶瓷烤网制备方法工艺简单，原料成本低；通过该方法制备出的陶瓷烤网质地坚硬，不易变形；细密，易清洁；耐用。陶瓷烧烤网避免了重金属释放对身体伤害的可能性，而且，该陶瓷烧烤网易降解，废弃后不会对环境造成污染，从而更清洁，更环保。
所述低膨胀陶瓷烤网包括：坯体及釉烧在坯体外部的坯釉组成，所述坯体包括透锂长石20％，锂辉石20％，合成堇青石30％，福建龙岩高岭土10％，硅酸锆20％；所述坯釉包括透锂长石65％，贵州高岭土10％，萍乡石英5％，滑石10％，氧化锌5％，环保熔块5％。
本发明中，陶瓷烧烤网避免了重金属释放对身体伤害的可能性，而且，该陶瓷烧烤网易降解，废弃后不会对环境造成污染，从而更清洁，更环保。
以上所述，对于本领域的普通技术人员来说，可以根据本发明的技术方案 和技术构思作出其他各种相应的改变和变形，而所有这些改变和变形都应属于本发明权利要求的保护范围。

Claims (8)

  1. 一种低膨胀陶瓷烤网制备方法，其特征在于，包括坯体制备方法，坯釉制备方法以及施釉方法；
    所述坯体制备方法包括：
    步骤S100：选用透锂长石15～30％，锂辉石20～30％，合成堇青石30～40％，福建龙岩高岭土10～25％，硅酸锆8～15％进行配比形成坯体混合物；
    步骤S110：将坯体混合物加水、均匀混合并球磨成坯体泥浆；
    步骤S120：将所述坯体泥浆陈腐后除铁，干燥并喷成陶瓷圆形粉体；
    步骤S130：将所述陶瓷圆形粉体水分均化后压制成毛坯；
    步骤S140：将毛坯干燥并素烧，形成坯体备用；
    所述坯釉制备方法包括：
    步骤S200：选用透锂长石50～70％，贵州高岭土5～15％，萍乡石英5～25％，滑石2～10％，氧化锌2～10％，环保熔块2～10％进行配比形成坯釉混合物；
    步骤S210：将所述坯釉混合物加水、均匀混合并球磨成坯釉泥浆；
    步骤S220：将所述坯釉泥浆除铁后形成坯釉备用；
    所述施釉方法包括：
    步骤S300：将所述坯体修整，去角，尺寸加工；
    步骤S310：将坯釉施于坯体外表面，并再次修整形成半成品；
    步骤S320：将半成品入窑进行釉烧。
  2. 根据权利要求1所述的低膨胀陶瓷网制备方法，其特征在于，陈腐的时间为2天。
  3. 根据权利要求1所述的低膨胀陶瓷网制备方法，其特征在于，所述陶瓷圆形粉体为20目～80目，且含水率为7～10％。
  4. 根据权利要求1所述的低膨胀陶瓷网制备方法，其特征在于，所述毛坯的在50℃～150℃的干燥窑内干燥，干燥后所述毛坯的水分在1％以下。
  5. 根据权利要求1所述的低膨胀陶瓷网制备方法，其特征在于，所述毛坯素烧时在素烧炉中的温度为900℃～1100℃。
  6. 根据权利要求1所述的低膨胀陶瓷网制备方法，其特征在于，所述半成品入窑釉烧温度为1200℃～1250℃。
  7. 根据权利要求1所述的第膨胀陶瓷制备方法，其特征在于，所述坯釉通 过静电喷釉或浸釉的方式施于坯体外表面。
  8. 一种低膨胀陶瓷烤网，其特征在于，所述低膨胀陶瓷烤网包括：坯体及釉烧在坯体外部的坯釉组成，所述坯体包括透锂长石15～30％，锂辉石20～30％，合成堇青石30～40％，福建龙岩高岭土10～25％，硅酸锆8～15％；所述坯釉包括透锂长石50～70％，贵州高岭土5～15％，萍乡石英5～25％，滑石2～10％，氧化锌2～10％，环保熔块2～10％。
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