CN108101571A - A kind of light porous domestic ceramics - Google Patents

A kind of light porous domestic ceramics Download PDF

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Publication number
CN108101571A
CN108101571A CN201711252252.3A CN201711252252A CN108101571A CN 108101571 A CN108101571 A CN 108101571A CN 201711252252 A CN201711252252 A CN 201711252252A CN 108101571 A CN108101571 A CN 108101571A
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CN
China
Prior art keywords
slurry
foaming agent
water
foam stabilizer
light porous
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CN201711252252.3A
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Chinese (zh)
Inventor
王武峰
陈嘉奇
张宏泉
文进
张早辉
李琦缘
齐永康
夏亮亮
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Zhongshan Advanced Engineering And Technology Research Institute Wuhan University Of Technology
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Zhongshan Advanced Engineering And Technology Research Institute Wuhan University Of Technology
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Priority to CN201711252252.3A priority Critical patent/CN108101571A/en
Publication of CN108101571A publication Critical patent/CN108101571A/en
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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
    • C04B33/04—Clay; Kaolin
    • 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
    • C04B33/1305—Organic additives
    • 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
    • C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
    • 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
    • C04B2235/3418—Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • 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

Abstract

The invention discloses a kind of light porous domestic ceramicses, which is characterized in that by mass percentage, is prepared by following primary raw material：Water-reducing agent, foaming agent, the foam stabilizer of ceramic batch, the water for accounting for ceramic batch 20 45% and additive amount, wherein, the ceramic batch includes 10 30% feldspars, 10 30% quartz, 40 65% clays.Present invention improves traditional injection formings to prepare the problem of porous ceramics dry body is easy to crack, on the premise of ensureing that the porosity is higher, it can effectively ensure product preparation process and the mechanical property requirements of product, stomata is evenly distributed in ceramics, on the premise of ensureing that the porosity is higher, the mechanical property of product can be effectively ensured.

Description

A kind of light porous domestic ceramics
Technical field
The present invention relates to ceramic material fields, and in particular to a kind of light porous domestic ceramics.
Background technology
The development and application of the lighting production technology of ceramics can not only reduce the usage amount of ceramic body raw material, and And it can effectively reduce the consumption of various electric power and fuel in Production of Ceramics.It is dirty that the lighting production of ceramics has become reduction at present It contaminates, economize the land resource and a kind of energy-saving effective way.Ceramic lighting production, the volume that can not only reduce ceramics are close It spends, convenient for transporting for long-distance, can effectively save the energy consumption of transport.At present, light ceramics mostly using porous foam ceramic as It is main, it is chiefly used in building heat insulation material or is used as scavenging material, rarely the lighting production technology of domestic ceramics.
The content of the invention：
Present invention seek to address that scarce limit and deficiency present in the prior art, it is extensive to provide a kind of raw material sources, is prepared into This cheap, pollution-free, prepare uniform pore size distribution, light porous, low energy consumption, intensity it is higher, suitable for industry Change the light porous domestic ceramics of large-scale production.
The present invention uses following technical scheme：
A kind of light porous domestic ceramics by mass percentage, is prepared by following primary raw material：Ceramic blank Expect, account for the water of ceramic batch 20-45% and the water-reducing agent of additive amount, foaming agent, foam stabilizer, wherein, ceramic batch includes 10-25% feldspars, 10-25% quartz, 40-65% clays.
Preferably, water-reducing agent is waterglass, sodium humate or sodium tripolyphosphate, wherein waterglass, sodium humate and clay Mass ratio is 1-3:100, sodium tripolyphosphate and clay mass ratio are 0.1-0.3:100.
Preferably, foam stabilizer is one or more of modified silicone resin polyethers micro emulsion, carboxymethyl cellulose or Tea Saponin.
Preferably, foaming agent is the basic sodium sulfonate of dodecane, α-sodium sulfonate, stearic acid, lauric acid, oleic acid, poly alkyl alcohol One or more of ethylene oxide ether carboxylic acid sodium and sodium sulfate of polyethenoxy ether of fatty alcohol.
Preferably, the mass ratio of foaming agent and foam stabilizer is 2:0.5-1.
Preferably, the 0.5-1.5 ‰ of foaming agent and foam stabilizer in an amount is added.
Modified silicone resin polyethers micro emulsion involved in the present invention is outsourcing raw material, and manufacturer is limited for the permanent safe chemical industry in Jining Company.Beneficial effects of the present invention：
1st, raw material sources are extensive, former can use existing household porcelain production line, and easy to operate, production efficiency height, pollution-free.
2nd, improve traditional injection forming and prepare the problem of porous ceramics dry body is easy to crack.
3rd, on the premise of ensureing that the porosity is higher, it can effectively ensure that the mechanical property of product preparation process and product will It asks.
4th, stomata is evenly distributed in ceramics.
5th, the ratio of slurry and foam can preferably be controlled.
Description of the drawings
Light porous domestic ceramics section optical microscope photograph prepared by Fig. 1 embodiments 1.
Light porous domestic ceramics section optical microscope photograph prepared by Fig. 2 embodiments 2.
Fig. 3 does not add foaming agent and the ceramic section optical microscope photograph prepared by foam stabilizer.
Specific embodiment
Embodiment 1：
(1) preparation of slurry：In mass, 65% clay raw material, 11% quartz raw material and 24% feldspar raw material are weighed, is pressed It is 1 according to ceramic batch and water quality ratio:0.4 weighs blank and water, and additional 2% waterglass is adjusted with ammonium hydroxide and expected as water-reducing agent Acidity-basicity ph=8 are starched, uniformly mixed with being stirred for 800r/min with mixer, blank is completely dissolved, and it is good to obtain mobility Good slurry.
(2) foam：Foaming agent according to 60% fatty alcohol polyoxyethylene ether sulfuric acid acid sodium, the basic sodium sulfonate of 35% dodecane and 5% lauric acid prepares foaming agent, prepares foam stabilizer by 70% modified silicone resin polyethers micro emulsion and 30% Tea Saponin.By foaming agent and Foam stabilizer presses 2:1 ratio, total amount 1.2 ‰ are added in slurry, by the 25% of foaming agent and foam stabilizer total amount, every 5-8 minutes Slurry is added to, continues to stir 30min with 800r/min, is foamed and mix slurry, obtained foam and be evenly distributed Slurry.
(3) it is molded：By in obtained slurry injection gypsum mold, after standing 1h, slurry extra in mold is poured out Afterwards, green body is removed from the molds after mold to be stood to 0.5h at ambient temperature.
(4) it is dry：Green body obtained is placed in drying box, temperature setting is 80 DEG C, by green body from baking oven after dry 8h Middle taking-up obtains dry body.
(5) it is sintered：Dried dry body is placed in high temperature furnace and is sintered, 300 DEG C of heat preservation 10min remove dried Residual moisture, 900 DEG C heat preservation 30min allow the oxidation of organic matter and carbon, the decomposition of silicate, the crystallization water exclude and crystal transfer Occur completely, continue to be warming up to 1160 DEG C and keep the temperature 15min to be burnt till, last furnace cooling is obtained such as 1 institute of Figure of description The light porous ceramic for the even air hole distribution shown.
(6) according to above-mentioned technique be made sample flexural strength be 8.1MPa, apparent porosity 45%, bulk density 1.34g/cm3, bulk density with plus foaming agent sample compared to reduction by 28%.
Embodiment 2：
(1) preparation of slurry：In mass, 65% clay raw material, 11% quartz raw material and 24% feldspar raw material are weighed, is pressed It is 1 according to ceramic batch and water quality ratio:0.36 weighs blank and water, and additional 2.5% waterglass is adjusted as water-reducing agent with ammonium hydroxide Slurry acidity-basicity ph=8, uniformly mixed with being stirred for 800r/min with mixer, blank is completely dissolved, and obtains mobility Good slurry.
(2) foam：Foaming agent according to 80% fatty alcohol polyoxyethylene ether sulfuric acid acid sodium, the basic sodium sulfonate of 20% dodecane, Foam stabilizer is prepared by 70% modified silicone resin polyethers micro emulsion and 30% Tea Saponin.Foaming agent and foam stabilizer are pressed 2:1 ratio, total amount 1.5 ‰ are added in slurry, slurry are added to by the 25% of foaming agent and foam stabilizer total amount, every 5-8 minutes, with 800r/min Continue to stir 30min, foamed and mix slurry, obtain the slurry that foam is evenly distributed.
(3) it is molded：By in obtained slurry injection gypsum mold, after standing 1h, slurry extra in mold is poured out Afterwards, green body is removed from the molds after mold to be stood to 1h at ambient temperature.
(4) it is dry：Green body obtained is placed in drying box, temperature setting is 80 DEG C, by green body from baking oven after dry 8h Middle taking-up obtains dry body.
(5) it is sintered：Dried dry body is placed in high temperature furnace and is sintered, 300 DEG C of heat preservation 10min remove dried Residual moisture, 900 DEG C heat preservation 30min allow the oxidation of organic matter and carbon, the decomposition of silicate, the crystallization water exclude and crystal transfer Occur completely, continue to be warming up to 1160 DEG C and keep the temperature 15min to be burnt till, last furnace cooling is obtained such as 2 institute of Figure of description The light porous ceramic for the even air hole distribution shown.
(6) according to above-mentioned technique be made sample flexural strength be 5.0MPa, apparent porosity 52%, bulk density 1.12g/cm3, bulk density with plus foaming agent sample compared to reduction by 40%.
Embodiment 3：
(1) preparation of slurry：In mass, 65% clay raw material, 13% quartz raw material and 22% feldspar raw material are weighed, is pressed It is 1 according to ceramic batch and water quality ratio:0.4 weighs blank and water, and additional 2% waterglass is adjusted with ammonium hydroxide and expected as water-reducing agent Acidity-basicity ph=9 are starched, uniformly mixed with being stirred for 800r/min with mixer, blank is completely dissolved, and it is good to obtain mobility Good slurry.
(2) foam：Foaming agent is pressed according to 80% AEO carboxylic acid sodium, the basic sodium sulfonate of 20% dodecane 70% modified silicone resin polyethers micro emulsion and 25% Tea Saponin and 5% carboxymethyl cellulose prepare foam stabilizer.By foaming agent and foam stabilizing Agent presses 2:1 ratio, total amount 0.7 ‰ are added in slurry, are added by the 25% of foaming agent and foam stabilizer total amount, every 5-8 minutes Into slurry, continue to stir 30min with 800r/min, foamed and mix slurry, obtain the slurry that foam is evenly distributed Material.
(3) it is molded：By in obtained slurry injection gypsum mold, after standing 1.5h, slurry extra in mold is fallen After going out, green body is removed from the molds after mold to be stood to 1h at ambient temperature.
(4) it is dry：Green body obtained is placed in drying box, temperature setting is 80 DEG C, by green body from baking oven after dry 8h Middle taking-up obtains dry body.
(5) it is sintered：Dried dry body is placed in high temperature furnace and is sintered, 300 DEG C of heat preservation 10min remove dried Residual moisture, 900 DEG C heat preservation 30min allow the oxidation of organic matter and carbon, the decomposition of silicate, the crystallization water exclude and crystal transfer Occur completely, continue to be warming up to 1180 DEG C and keep the temperature 15min to be burnt till, last furnace cooling obtains even air hole distribution Light porous ceramic.
(6) according to above-mentioned technique be made sample flexural strength be 14.1MPa, apparent porosity 30%, bulk density 1.71g/cm3, bulk density with plus foaming agent sample compared to reduction by 10%.
Embodiment 4：
(1) preparation of slurry：In mass, 65% clay raw material, 13% quartz raw material and 22% feldspar raw material are weighed, is pressed It is 1 according to ceramic batch and water quality ratio:0.4 weighs blank and water, and additional 2% waterglass is dilute with 0.5MNaOH as water-reducing agent Solution adjusts slurry acidity-basicity ph=9, and uniformly mixed with being stirred for 800r/min with mixer, blank is completely dissolved, and is obtained Obtain the slurry of good fluidity.
(2) foam：Foaming agent according to 80% AEO carboxylic acid sodium, the basic sodium sulfonate of 15% dodecane and 5% α-sodium sulfonate is prepared, and foam stabilizing is prepared by 70% modified silicone resin polyethers micro emulsion and 25% Tea Saponin and 5% carboxymethyl cellulose Agent.Foaming agent and foam stabilizer are pressed 2:1 ratio, total amount 1.0 ‰ are added in slurry, by foaming agent and foam stabilizer total amount 25%th, slurry was added to every 5-8 minutes, continues to stir 30min with 800r/min, foamed and mix slurry, Obtain the slurry that foam is evenly distributed.
(3) it is molded：By in obtained slurry injection gypsum mold, after standing 1.5h, slurry extra in mold is fallen After going out, green body is removed from the molds after mold to be stood to 1h at ambient temperature.
(4) it is dry：Green body obtained is placed in drying box, temperature setting is 80 DEG C, by green body from baking oven after dry 8h Middle taking-up obtains dry body.
(5) it is sintered：Dried dry body is placed in high temperature furnace and is sintered, 300 DEG C of heat preservation 10min remove dried Residual moisture, 900 DEG C heat preservation 30min allow the oxidation of organic matter and carbon, the decomposition of silicate, the crystallization water exclude and crystal transfer Occur completely, continue to be warming up to 1180 DEG C and keep the temperature 15min to be burnt till, last furnace cooling obtains even air hole distribution Light porous ceramic.
(6) according to above-mentioned technique be made sample flexural strength be 15.3MPa, apparent porosity 28%, bulk density 1.80g/cm3, bulk density with plus foaming agent sample compared to reduction by 5.2%.
Embodiment 5：
(1) preparation of slurry：In mass, 65% clay raw material, 12% quartz raw material and 23% feldspar raw material are weighed, is pressed It is 1 according to ceramic batch and water quality ratio:0.45 weighs blank and water, and additional 1.5% waterglass uses 0.5MNaOH as water-reducing agent Weak solution adjusts slurry acidity-basicity ph=9, and uniformly mixed with being stirred for 800r/min with mixer, blank is completely dissolved, Obtain the slurry of good fluidity.
(2) foam：Foaming agent according to 80% AEO carboxylic acid sodium, the basic sodium sulfonate of 17% dodecane and 3% stearic acid is prepared, and foam stabilizing is prepared by 70% modified silicone resin polyethers micro emulsion and 25% Tea Saponin and 5% carboxymethyl cellulose Agent.Foaming agent and foam stabilizer are pressed 2:1 ratio, total amount 1.5 ‰ are added in slurry, by foaming agent and foam stabilizer total amount 25%th, slurry was added to every 5-8 minutes, continues to stir 30min with 800r/min, foamed and mix slurry, Obtain the slurry that foam is evenly distributed.
(3) it is molded：By in obtained slurry injection gypsum mold, after standing 1.5h, slurry extra in mold is fallen After going out, green body is removed from the molds after mold to be stood to 1h at ambient temperature.
(4) it is dry：Green body obtained is placed in drying box, temperature setting is 80 DEG C, by green body from baking oven after dry 8h Middle taking-up obtains dry body.
(5) it is sintered：Dried dry body is placed in high temperature furnace and is sintered, 300 DEG C of heat preservation 10min remove dried Residual moisture, 900 DEG C heat preservation 30min allow the oxidation of organic matter and carbon, the decomposition of silicate, the crystallization water exclude and crystal transfer Occur completely, continue to be warming up to 1160 DEG C and keep the temperature 15min to be burnt till, last furnace cooling obtains even air hole distribution Light porous ceramic.
(6) according to above-mentioned technique be made sample flexural strength be 6.1MPa, water absorption rate 30%, apparent porosity are 38%th, bulk density 1.46g/cm3, bulk density with plus foaming agent sample compared to reduction by 20%.
Embodiment 6：
(1) preparation of slurry：In mass, 40% clay raw material, 30% quartz raw material and 30% feldspar raw material are weighed, is pressed It is 1 according to ceramic batch and water quality ratio:0.2 weighs blank and water, and additional 1% waterglass is dilute with 0.5MNaOH as water-reducing agent Solution adjusts slurry acidity-basicity ph=7, and uniformly mixed with being stirred for 600r/min with mixer, blank is completely dissolved, and is obtained Obtain the slurry of good fluidity.
(2) foam：Foaming agent according to 80% AEO carboxylic acid sodium, the basic sodium sulfonate of 17% dodecane and 3% lauric acid is prepared, and foam stabilizing is prepared by 70% modified silicone resin polyethers micro emulsion and 25% Tea Saponin and 5% carboxymethyl cellulose Agent.Foaming agent and foam stabilizer are pressed 2:0.8 ratio, total amount 0.5 ‰ are added in slurry, by foaming agent and foam stabilizer total amount 25%th, slurry was added to every 5-8 minutes, continues to stir 20min with 1000r/min, foamed and mix slurry, Obtain the slurry that foam is evenly distributed.
(3) it is molded：By in obtained slurry injection gypsum mold, after standing 15min, slurry extra in mold is fallen After going out, green body is removed from the molds after mold to be stood to 0.8h at ambient temperature.
(4) it is dry：Green body obtained is placed in drying box, temperature setting is 60 DEG C, by green body from baking oven after dry 8h Middle taking-up obtains dry body.
(5) it is sintered：Dried dry body is placed in high temperature furnace and is sintered, 300 DEG C of heat preservation 10min remove dried Residual moisture, 900 DEG C heat preservation 30min allow the oxidation of organic matter and carbon, the decomposition of silicate, the crystallization water exclude and crystal transfer Occur completely, continue to be warming up to 1100 DEG C and keep the temperature 30min to be burnt till, last furnace cooling obtains even air hole distribution Light porous ceramic.
(6) according to above-mentioned technique be made sample flexural strength be 5.1MPa, water absorption rate 30%, apparent porosity are 35%th, bulk density 1.26g/cm3, bulk density with plus foaming agent sample compared to reduction by 23%.
Embodiment 7：
(1) preparation of slurry：In mass, 60% clay raw material, 10% quartz raw material and 30% feldspar raw material are weighed, is pressed It is 1 according to ceramic batch and water quality ratio:0.2 weighs blank and water, and additional 3% waterglass is dilute with 0.5MNaOH as water-reducing agent Solution adjusts slurry acidity-basicity ph=10, and uniformly mixed with being stirred for 700r/min with mixer, blank is completely dissolved, and is obtained Obtain the slurry of good fluidity.
(2) foam：Foaming agent according to 80% AEO carboxylic acid sodium, the basic sodium sulfonate of 17% dodecane and 3% oleic acid is prepared, and foam stabilizer is prepared by 70% modified silicone resin polyethers micro emulsion and 25% Tea Saponin and 5% carboxymethyl cellulose. Foaming agent and foam stabilizer are pressed 2:0.5 ratio, total amount 0.5 ‰ are added in slurry, by the 25% of foaming agent and foam stabilizer total amount, Slurry was added to every 5-8 minutes, continues to stir 25min with 900r/min, is foamed and mix slurry, steeped The slurry that foam is evenly distributed.
(3) it is molded：By in obtained slurry injection gypsum mold, after standing 2h, slurry extra in mold is poured out Afterwards, green body is removed from the molds after mold to be stood to 0.5h at ambient temperature.
(4) it is dry：Green body obtained is placed in drying box, temperature setting is 100 DEG C, by green body from baking oven after dry 8h Middle taking-up obtains dry body.
(5) it is sintered：Dried dry body is placed in high temperature furnace and is sintered, 300 DEG C of heat preservation 10min remove dried Residual moisture, 800 DEG C heat preservation 20min allow the oxidation of organic matter and carbon, the decomposition of silicate, the crystallization water exclude and crystal transfer Occur completely, continue to be warming up to 1200 DEG C and keep the temperature 30min to be burnt till, last furnace cooling obtains even air hole distribution Light porous ceramic.
(6) according to above-mentioned technique be made sample flexural strength be 6.17MPa, water absorption rate 32%, apparent porosity are 31%th, bulk density 1.41g/cm3, bulk density with plus foaming agent sample compared to reduction by 23%.
Embodiment 8：
(1) preparation of slurry：In mass, 60% clay raw material, 30% quartz raw material and 10% feldspar raw material are weighed, is pressed It is 1 according to ceramic batch and water quality ratio:0.2 weighs blank and water, and additional 3% sodium humate uses 0.5MNaOH as water-reducing agent Weak solution adjusts slurry acidity-basicity ph=10, and uniformly mixed with being stirred for 700r/min with mixer, blank is completely dissolved, Obtain the slurry of good fluidity.
(2) foam：Foaming agent is according to 40% α-sodium sulfonate, 40% AEO carboxylic acid sodium, 17% dodecane Basic sodium sulfonate and 3% oleic acid are prepared, and foam stabilizer is prepared by 100% modified silicone resin polyethers micro emulsion.By foaming agent and foam stabilizer By 2:0.5 ratio, total amount 0.5 ‰ are added in slurry, are added by the 25% of foaming agent and foam stabilizer total amount, every 5-8 minutes Into slurry, continue to stir 25min with 900r/min, foamed and mix slurry, obtain the slurry that foam is evenly distributed Material.
(3) it is molded：By in obtained slurry injection gypsum mold, after standing 2h, slurry extra in mold is poured out Afterwards, green body is removed from the molds after mold to be stood to 0.5h at ambient temperature.
(4) it is dry：Green body obtained is placed in drying box, temperature setting is 100 DEG C, by green body from baking oven after dry 8h Middle taking-up obtains dry body.
(5) it is sintered：Dried dry body is placed in high temperature furnace and is sintered, 300 DEG C of heat preservation 10min remove dried Residual moisture, 600 DEG C heat preservation 10min allow the oxidation of organic matter and carbon, the decomposition of silicate, the crystallization water exclude and crystal transfer Occur completely, continue to be warming up to 1160 DEG C and keep the temperature 30min to be burnt till, last furnace cooling obtains even air hole distribution Light porous ceramic.
(6) according to above-mentioned technique be made sample flexural strength be 5.1MPa, water absorption rate 33%, apparent porosity are 30%th, bulk density 1.25g/cm3, bulk density with plus foaming agent sample compared to reduction by 15%.
Embodiment 9：
(1) preparation of slurry：In mass, 60% clay raw material, 30% quartz raw material and 10% feldspar raw material are weighed, is pressed It is 1 according to ceramic batch and water quality ratio:0.2 weighs blank and water, and additional 1% sodium humate uses 0.5MNaOH as water-reducing agent Weak solution adjusts slurry acidity-basicity ph=10, and uniformly mixed with being stirred for 700r/min with mixer, blank is completely dissolved, Obtain the slurry of good fluidity.
(2) foam：Foaming agent is according to 40% α-sodium sulfonate, 40% AEO carboxylic acid sodium, 17% dodecane Basic sodium sulfonate and 3% oleic acid are prepared, and foam stabilizer is prepared by 100% carboxymethyl cellulose.Foaming agent and foam stabilizer are pressed 2:1 ratio Example, total amount 1.5 ‰ are added in slurry, and slurry is added to by the 25% of foaming agent and foam stabilizer total amount, every 5-8 minutes, with 900r/min continues to stir 25min, is foamed and mixes slurry, obtains the slurry that foam is evenly distributed.
(3) it is molded：By in obtained slurry injection gypsum mold, after standing 2h, slurry extra in mold is poured out Afterwards, green body is removed from the molds after mold to be stood to 0.5h at ambient temperature.
(4) it is dry：Green body obtained is placed in drying box, temperature setting is 80 DEG C, by green body from baking oven after dry 8h Middle taking-up obtains dry body.
(5) it is sintered：Dried dry body is placed in high temperature furnace and is sintered, 300 DEG C of heat preservation 10min remove dried Residual moisture, 600 DEG C heat preservation 10min allow the oxidation of organic matter and carbon, the decomposition of silicate, the crystallization water exclude and crystal transfer Occur completely, continue to be warming up to 1160 DEG C and keep the temperature 30min to be burnt till, last furnace cooling obtains even air hole distribution Light porous ceramic.
(6) according to above-mentioned technique be made sample flexural strength be 6.1MPa, water absorption rate 38%, apparent porosity are 29%th, bulk density 1.22g/cm3, bulk density with plus foaming agent sample compared to reduction by 31%.
Embodiment 10：
(1) preparation of slurry：In mass, 60% clay raw material, 30% quartz raw material and 10% feldspar raw material are weighed, is pressed It is 1 according to ceramic batch and water quality ratio:0.2 weighs blank and water, and additional 1.5% sodium humate is used as water-reducing agent 0.5MNaOH weak solutions adjust slurry acidity-basicity ph=10, with mixer with being stirred for 700r/min uniformly mixed, blank It is completely dissolved, obtains the slurry of good fluidity.
(2) foam：Foaming agent according to 10% lauric acid, 30% α-sodium sulfonate, 40% AEO carboxylic acid sodium, The basic sodium sulfonate of 17% dodecane and 3% oleic acid are prepared, and foam stabilizer is prepared by 100% Tea Saponin.Foaming agent and foam stabilizer are pressed 2:1 ratio, total amount 1.5 ‰ are added in slurry, and slurry is added to by the 25% of foaming agent and foam stabilizer total amount, every 5-8 minutes Material is continued to stir 25min with 900r/min, is foamed and mix slurry, obtain the slurry that foam is evenly distributed.
(3) it is molded：By in obtained slurry injection gypsum mold, after standing 2h, slurry extra in mold is poured out Afterwards, green body is removed from the molds after mold to be stood to 0.5h at ambient temperature.
(4) it is dry：Green body obtained is placed in drying box, temperature setting is 80 DEG C, by green body from baking oven after dry 8h Middle taking-up obtains dry body.
(5) it is sintered：Dried dry body is placed in high temperature furnace and is sintered, 300 DEG C of heat preservation 10min remove dried Residual moisture, 600 DEG C heat preservation 10min allow the oxidation of organic matter and carbon, the decomposition of silicate, the crystallization water exclude and crystal transfer Occur completely, continue to be warming up to 1160 DEG C and keep the temperature 30min to be burnt till, last furnace cooling obtains even air hole distribution Light porous ceramic.
(6) according to above-mentioned technique be made sample flexural strength be 6.8MPa, water absorption rate 36%, apparent porosity are 31%th, bulk density 1.35g/cm3, bulk density with plus foaming agent sample compared to reduction by 20%.
Embodiment 11：
(1) preparation of slurry：In mass, 60% clay raw material, 30% quartz raw material and 10% feldspar raw material are weighed, is pressed It is 1 according to ceramic batch and water quality ratio:0.4 weighs blank and water, and additional 0.1% sodium tripolyphosphate is used as water-reducing agent 0.5MNaOH weak solutions adjust slurry acidity-basicity ph=8, and uniformly mixed with being stirred for 700r/min with mixer, blank is complete Fully dissolved obtains the slurry of good fluidity.
(2) foam：Foaming agent is prepared according to 100% sodium sulfate of polyethenoxy ether of fatty alcohol, by 70% carboxymethyl cellulose Foam stabilizer is prepared with 30% Tea Saponin.Foaming agent and foam stabilizer are pressed 2:1 ratio, total amount 1.5 ‰ are added in slurry, by foaming Agent and foam stabilizer total amount 25%, every 5-8 minutes be added to slurry, continue to stir 25min with 900r/min, be sent out It steeps and mixes slurry, obtain the slurry that foam is evenly distributed.
(3) it is molded：By in obtained slurry injection gypsum mold, after standing 2h, slurry extra in mold is poured out Afterwards, green body is removed from the molds after mold to be stood to 0.5h at ambient temperature.
(4) it is dry：Green body obtained is placed in drying box, temperature setting is 80 DEG C, by green body from baking oven after dry 8h Middle taking-up obtains dry body.
(5) it is sintered：Dried dry body is placed in high temperature furnace and is sintered, 300 DEG C of heat preservation 10min remove dried Residual moisture, 600 DEG C heat preservation 10min allow the oxidation of organic matter and carbon, the decomposition of silicate, the crystallization water exclude and crystal transfer Occur completely, continue to be warming up to 1160 DEG C and keep the temperature 30min to be burnt till, last furnace cooling obtains even air hole distribution Light porous ceramic.
(6) according to above-mentioned technique be made sample flexural strength be 6.6MPa, water absorption rate 25%, apparent porosity are 37%th, bulk density 1.46g/cm3, bulk density with plus foaming agent sample compared to reduction by 23%.
Embodiment 12：
(1) preparation of slurry：In mass, 60% clay raw material, 30% quartz raw material and 10% feldspar raw material are weighed, is pressed It is 1 according to ceramic batch and water quality ratio:0.2 weighs blank and water, and additional 0.3% sodium tripolyphosphate is used as water-reducing agent 0.5MNaOH weak solutions adjust slurry acidity-basicity ph=10, with mixer with being stirred for 700r/min uniformly mixed, blank It is completely dissolved, obtains the slurry of good fluidity.
(2) foam：Foaming agent is prepared according to 100% α-sodium sulfonate, by 70% carboxymethyl cellulose and 30% modified silicon tree Fat polyethers micro emulsion prepares foam stabilizer.Foaming agent and foam stabilizer are pressed 2:1 ratio, total amount 1.5 ‰ are added in slurry, by foaming agent With foam stabilizer total amount 25%, every 5-8 minutes be added to slurry, continue to stir 25min with 900r/min, foam It is mixed with by slurry, obtains the slurry that foam is evenly distributed.
(3) it is molded：By in obtained slurry injection gypsum mold, after standing 2h, slurry extra in mold is poured out Afterwards, green body is removed from the molds after mold to be stood to 0.5h at ambient temperature.
(4) it is dry：Green body obtained is placed in drying box, temperature setting is 80 DEG C, by green body from baking oven after dry 8h Middle taking-up obtains dry body.
(5) it is sintered：Dried dry body is placed in high temperature furnace and is sintered, 300 DEG C of heat preservation 10min remove dried Residual moisture, 600 DEG C heat preservation 10min allow the oxidation of organic matter and carbon, the decomposition of silicate, the crystallization water exclude and crystal transfer Occur completely, continue to be warming up to 1160 DEG C and keep the temperature 30min to be burnt till, last furnace cooling obtains even air hole distribution Light porous ceramic.
(6) according to above-mentioned technique be made sample flexural strength be 5.6MPa, water absorption rate 30%, apparent porosity are 38%th, bulk density 1.36g/cm3, bulk density with plus foaming agent sample compared to reduction by 19%.
Embodiment 13：
(1) preparation of slurry：In mass, 60% clay raw material, 30% quartz raw material and 10% feldspar raw material are weighed, is pressed It is 1 according to ceramic batch and water quality ratio:0.2 weighs blank and water, and additional 0.2% sodium tripolyphosphate is used as water-reducing agent 0.5MNaOH weak solutions adjust slurry acidity-basicity ph=10, with mixer with being stirred for 700r/min uniformly mixed, blank It is completely dissolved, obtains the slurry of good fluidity.
(2) foam：Foaming agent is prepared according to 100% stearic acid, and foam stabilizer is prepared by 100% Tea Saponin.By foaming agent and Foam stabilizer presses 2:1 ratio, total amount 1.5 ‰ are added in slurry, by the 25% of foaming agent and foam stabilizer total amount, every 5-8 minutes Slurry is added to, continues to stir 25min with 900r/min, is foamed and mix slurry, obtained foam and be evenly distributed Slurry.
(3) it is molded：By in obtained slurry injection gypsum mold, after standing 2h, slurry extra in mold is poured out Afterwards, green body is removed from the molds after mold to be stood to 0.5h at ambient temperature.
(4) it is dry：Green body obtained is placed in drying box, temperature setting is 80 DEG C, by green body from baking oven after dry 8h Middle taking-up obtains dry body.
(5) it is sintered：Dried dry body is placed in high temperature furnace and is sintered, 300 DEG C of heat preservation 10min remove dried Residual moisture, 600 DEG C heat preservation 10min allow the oxidation of organic matter and carbon, the decomposition of silicate, the crystallization water exclude and crystal transfer Occur completely, continue to be warming up to 1160 DEG C and keep the temperature 30min to be burnt till, last furnace cooling obtains even air hole distribution Light porous ceramic.
(6) according to above-mentioned technique be made sample flexural strength be 6.2MPa, water absorption rate 30%, apparent porosity are 38%th, bulk density 1.37g/cm3, bulk density with plus foaming agent sample compared to reduction by 2%.
Fig. 1 is the light porous domestic ceramics section optical microscope photograph prepared according to embodiment 1, and the anti-of sample is made Folding intensity is 8.1MPa, apparent porosity 45%, bulk density 1.34g/cm3, bulk density with not plus foaming agent sample compared with Reduce by 28%.
Fig. 2 is the light porous domestic ceramics section optical microscope photograph prepared according to embodiment 2, and the anti-of sample is made Folding intensity is 5.0MPa, apparent porosity 52%, bulk density 1.12g/cm3, bulk density with not plus foaming agent sample compared with Reduce by 40%.
Fig. 3 is that not plus foaming agent and the ceramic section optical microscope photograph prepared by foam stabilizer, which is not in base Material is with water than 1:0.4 and pH=8, additional 2% waterglass agitated slurrying are burnt till at 1160 DEG C after plaster mold sizing material forming, His condition is same as Example 1.Product surface is fine and close, without apparent hole.
Foam stabilizer can be one or more of modified silicone resin polyethers micro emulsion, carboxymethyl cellulose or Tea Saponin.Hair Infusion can be dodecyl this sodium sulfonate, α-sodium sulfonate, stearic acid, lauric acid, oleic acid, AEO carboxylic acid sodium And one or more of sodium sulfate of polyethenoxy ether of fatty alcohol.Above-described embodiment is merely illustrative of the technical solution of the present invention And be not limited, it is all without departing from any modification of spirit and scope of the invention or equivalent substitution, it should all cover In the scope of technical solution of the present invention.

Claims (6)

1. a kind of light porous domestic ceramics, which is characterized in that by mass percentage, be prepared by following primary raw material and Into：Ceramic batch, the water-reducing agent of the water for accounting for ceramic batch 20-45% and additive amount, foaming agent, foam stabilizer, wherein, it is described Ceramic batch includes 10-30% feldspars, 10-30% quartz, 40-65% clays.
2. a kind of light porous domestic ceramics according to claim 1, which is characterized in that the water-reducing agent for waterglass, Sodium humate or sodium tripolyphosphate, wherein waterglass, sodium humate and clay mass ratio are 1-3:100, sodium tripolyphosphate with Clay mass ratio is 0.1-0.3:100.
3. a kind of light porous domestic ceramics according to claim 1, which is characterized in that the foam stabilizer is modified silicon tree One or more of fat polyethers micro emulsion, carboxymethyl cellulose or Tea Saponin.
4. a kind of light porous domestic ceramics according to claim 1, which is characterized in that the foaming agent is dodecyl This sodium sulfonate, α-sodium sulfonate, stearic acid, lauric acid, oleic acid, AEO carboxylic acid sodium and aliphatic alcohol polyethenoxy One or more of ether sodium sulfate.
5. a kind of light porous domestic ceramics according to claim 1, which is characterized in that the foaming agent and foam stabilizer Mass ratio is 2:0.5-1.
6. a kind of light porous domestic ceramics according to claim 1, which is characterized in that foaming agent and foam stabilizer are in an amount 0.5-1.5 ‰ add.
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Cited By (3)

* Cited by examiner, † Cited by third party
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CN111499342A (en) * 2020-05-19 2020-08-07 福建省德化县中国白陶瓷有限责任公司 Low-heat-conductivity white ceramic product and preparation method thereof
CN112573929A (en) * 2020-12-28 2021-03-30 山东龙港硅业科技有限公司 Composite ceramic water reducing agent and ceramic application thereof
CN117656243A (en) * 2024-01-05 2024-03-08 潮州市永宣家用陶瓷制作厂有限公司 Production method of lightweight porous domestic ceramic

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CN102674883A (en) * 2012-06-11 2012-09-19 济南大学 Foamed ceramic insulation board and preparation method thereof
CN103951452A (en) * 2014-05-06 2014-07-30 郑州大学 Preparation method of microporous kyanite-based lightweight insulating refractory material
CN106187308A (en) * 2016-07-26 2016-12-07 武汉科技大学 A kind of porous silicon diatomaceous earth pottery and preparation method thereof

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CN101713235A (en) * 2009-11-03 2010-05-26 武汉科技大学 Forsterite light brick and preparation method thereof
CN102674883A (en) * 2012-06-11 2012-09-19 济南大学 Foamed ceramic insulation board and preparation method thereof
CN103951452A (en) * 2014-05-06 2014-07-30 郑州大学 Preparation method of microporous kyanite-based lightweight insulating refractory material
CN106187308A (en) * 2016-07-26 2016-12-07 武汉科技大学 A kind of porous silicon diatomaceous earth pottery and preparation method thereof

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111499342A (en) * 2020-05-19 2020-08-07 福建省德化县中国白陶瓷有限责任公司 Low-heat-conductivity white ceramic product and preparation method thereof
CN112573929A (en) * 2020-12-28 2021-03-30 山东龙港硅业科技有限公司 Composite ceramic water reducing agent and ceramic application thereof
CN112573929B (en) * 2020-12-28 2023-03-10 山东龙港硅业科技有限公司 Composite ceramic water reducing agent and ceramic application thereof
CN117656243A (en) * 2024-01-05 2024-03-08 潮州市永宣家用陶瓷制作厂有限公司 Production method of lightweight porous domestic ceramic

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