CN108530020A - A kind of preparation process of ceramic tap - Google Patents

A kind of preparation process of ceramic tap Download PDF

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Publication number
CN108530020A
CN108530020A CN201810336060.9A CN201810336060A CN108530020A CN 108530020 A CN108530020 A CN 108530020A CN 201810336060 A CN201810336060 A CN 201810336060A CN 108530020 A CN108530020 A CN 108530020A
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temperature
parts
mixed
tap
calcining
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刘东升
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Hefei Moon New Decorative Material Co Ltd
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Hefei Moon New Decorative Material Co Ltd
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    • C—CHEMISTRY; METALLURGY
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    • 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
    • C04B33/131—Inorganic additives
    • 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
    • C—CHEMISTRY; METALLURGY
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    • C04B33/00—Clay-wares
    • C04B33/02—Preparing or treating the raw materials individually or as batches
    • C04B33/13—Compounding ingredients
    • C04B33/1305—Organic additives
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    • 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
    • C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
    • C04B35/62605—Treating the starting powders individually or as mixtures
    • C04B35/62645—Thermal treatment of powders or mixtures thereof other than sintering
    • C04B35/62675—Thermal treatment of powders or mixtures thereof other than sintering characterised by the treatment temperature
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    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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    • 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
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    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • 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
    • C03C2204/00—Glasses, glazes or enamels with special properties
    • C03C2204/02—Antibacterial glass, glaze or enamel
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    • 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
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3205—Alkaline earth oxides or oxide forming salts thereof, e.g. beryllium oxide
    • C04B2235/3206—Magnesium oxides or oxide-forming salts thereof
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    • 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
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3217—Aluminum oxide or oxide forming salts thereof, e.g. bauxite, alpha-alumina
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    • 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
    • C04B2235/3481—Alkaline earth metal alumino-silicates other than clay, e.g. cordierite, beryl, micas such as margarite, plagioclase feldspars such as anorthite, zeolites such as chabazite
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    • 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
    • C04B2235/44—Metal salt constituents or additives chosen for the nature of the anions, e.g. hydrides or acetylacetonate
    • C04B2235/442—Carbonates
    • C—CHEMISTRY; METALLURGY
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    • 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
    • C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/52—Constituents or additives characterised by their shapes
    • C04B2235/5208—Fibers
    • C04B2235/5216—Inorganic
    • C04B2235/524—Non-oxidic, e.g. borides, carbides, silicides or nitrides
    • C04B2235/5248—Carbon, e.g. graphite

Abstract

The invention discloses a kind of preparation processes of ceramic tap, include the following steps：（1）Weigh ceramic water tap housing raw material；（2）Raw material is mixed, is then calcined, is ground later, mixed-powder is obtained；（3）By step（2）The mixed-powder of gained is placed in drying equipment, drying；（4）It takes paraffin and bamboo carbon powder to heat, melted paraffin wax is made to be uniformly mixed at liquid and mixed-powder；（5）Mixed slurry is injected in mold, hot-forming, cooling, demoulding obtains tap green body；（6）Tap green body is burnt into, and is kept the temperature, is cooled to room temperature, it is clean to be placed in soaking and washing in soak, drying；（7）Glazing is carried out to tap billet surface, it is 0.1~0.2mm to make glazed thickness, is calcined, is cooled to room temperature to get to product.The present invention product have the advantages that the metal products such as high temperature resistant, wear-resistant, corrosion-resistant, intensity is high, compactness is high, the coefficient of expansion is low, light weight with or without.

Description

A kind of preparation process of ceramic tap
Technical field
A kind of tap manufacture technology field of the present invention, and in particular to preparation process of ceramic tap.
Background technology
Widely applied tap shell is mostly metal product on the market, especially cast copper, cast zinc alloy coating system The manufacturing process flow of product, these metal products is made of following steps sequence：Raw material preparation, hot die-casting molding, crude green body polishing, Face layer plating, assembling fittings.Many pollution sources, such as crude green body polishing can be inevitably generated during entire manufacture When will produce a large amount of dust pollution, certain harm is brought to manufacturer and environment, for another example electroplating process will produce largely Sewage and heavy metal, to the harm bigger of environment.On the other hand, above-mentioned metal product can also use life in use Water causes different degrees of metallic pollution.Therefore the new material and system that a kind of cost is appropriate, performance is qualified, environmental and durable are found Technique is made to manufacture tap shell, it has also become the key of tap innovation.
In recent years occurs the tap shell of some ceramic materials in the market, but the tap shell strength of materials is low, wall It is thin it is frangible, anti-shot ability is low.
Invention content
The present invention provides a kind of preparation processes of ceramic tap, solve the problems in above-mentioned background technology, this hair It is bright not will produce any pollution during manufacturing process and use not only, and product have high temperature resistant, it is wear-resistant, The metal products such as corrosion-resistant, intensity is high, compactness is high, the coefficient of expansion is low, light weight with or without the advantages of.
It is of the existing technology in order to solve the problems, such as, it adopts the following technical scheme that：
A kind of preparation process of ceramic tap, includes the following steps：
（1）Ceramic water tap housing raw material is weighed, the ceramic water tap housing raw material includes the component of following parts by weight：It is modified 20~40 parts of attapulgite, 8~17 parts of talcum powder, 12~30 parts of kaolin, 9~13 parts of mica, 4~6 parts of calcite, aluminium oxide 4~11 parts, 2~5 parts of magnesia；
（2）By step（1）The raw material weighed is uniformly mixed, and is subsequently placed in calcining kiln and is calcined, and uses ball mill later Grinding 20~30 hours crosses 200~300 mesh sieve, obtains mixed-powder, the calcining is divided into three phases：First stage, with 10~ Temperature in calcining kiln is warming up to 300~400 DEG C by the heating rate of 20 DEG C/min, and heat preservation is calcined 2~3 hours, second stage, The temperature in calcining kiln is warming up to 700~800 DEG C with the heating rate of 15~25 DEG C/min, heat preservation is calcined 1~2 hour, the Temperature in calcining kiln is warming up to 1230~1310 DEG C by three stages with the heating rate of 10~15 DEG C/min, and heat preservation calcining 2~ 4 hours；
（3）By step（2）The mixed-powder of gained is placed in drying equipment, drying；
（4）Take step（3）The bamboo carbon powder of the paraffin and mixed-powder weight 3~5% of the mixed-powder weight 20%~25% of gained It is placed in heating equipment and is heated together, make melted paraffin wax at liquid, then add into the mixed liquor of paraffin and bamboo carbon powder Enter step（3）The mixed-powder of gained, stirs while adding, and material is made to be uniformly mixed, and the temperature for controlling mixed material is 60 ~70 DEG C, obtain mixed slurry；
（5）Tap mould inside surface is applied into last layer releasing agent, then by step（4）The mixed slurry of gained injects the fire hose It is hot-forming in head mould tool, it is cooled to room temperature, demoulds, obtain tap green body；
（6）By step（5）Tap green body obtained is set in 1150~1250 DEG C of calcining furnace and is burnt into, and it is small to keep the temperature 2~3 When, be cooled to room temperature, be placed in soak and carry out immersion 2~3 hours, the soak be acid solution, then using go from Sub- water cleans up, drying, the tap green body that obtains that treated；
（7）To step（6）Gained treated tap billet surface carries out glazing, and it is 0.1~0.2mm to make glazed thickness, The glaze includes base-material and nano-titanium dioxide and silver ion antimicrobial agent, and the nano-titanium dioxide and silver ion antimicrobial agent divide The 1% and 0.5% of base-material weight is not accounted for, is then calcined, is cooled to room temperature to get to product.
Preferably, the step（1）Middle ceramic water tap housing raw material includes the component of following parts by weight：Modified attapulgite 30 parts of soil, 14 parts of talcum powder, 25 parts of kaolin, 11 parts of mica, 5 parts of calcite, 7 parts of aluminium oxide, 3 parts of magnesia.
Preferably, the step（1）In it is attapulgite modified using following methods be made：
Attapulgite is crushed to granular size to grain size≤1mm, is then immersed into clear water, with electric blender stirring 10~ 20min, rotating speed are set as 400r/min, then filter that solute is immersed into dilute mineral acid solution water-bath heat treatment 1~2 is small When, temperature is set in 70~90 DEG C, then dispersant sodium pyrophosphate is added into the suspension after acidification and is sufficiently stirred, collaboration ultrasound After hydro-thermal method handles 2h, centrifugal treating finally is carried out to it, after centrifugation, upper layer suspension is taken to be conveyed after filtering, drying 1~2h is roasted in swinging drying oven, calcination temperature is 300 DEG C.
Preferably, the step（3）The time of middle drying is 30~60 minutes, and the temperature of drying equipment is 75~85 DEG C.
Preferably, the step（5）In hot-forming pressure be 7~13MPa.
Preferably, the step（7）The method of middle glazing is glazing by sufflation method or pours glaze method.
Preferably, the step（7）The process of middle calcining is as follows：
It will be increased to 400~500 DEG C with the rate of 3~5 DEG C/min, keep the temperature calcining 1~2 hour, then the speed of 10~20 DEG C/min Rate is increased to 700~800 DEG C, then heat preservation calcining 2~3 hours is increased to 1130~1170 with the rate of 10~20 DEG C/min DEG C/min, heat preservation calcining 4~7 hours.
Preferably, the step（7）The process of middle cooling is as follows：
1000 DEG C first are cooled to the cooling rate of 3~5 DEG C/min, keeps the temperature 1 hour, then with the cooling rate of 10~20 DEG C/min 700 DEG C are cooled to, keeps the temperature 2 hours, is then cooled to 500 DEG C again with the cooling rate of 5~10 DEG C/min, keeps the temperature 3 hours, then 200 DEG C are cooled to the cooling rate of 8~12 DEG C/min again, finally naturally cools to room temperature.
Compared with prior art, the present invention it has the advantages that：
The present invention not will produce any pollution not only during manufacturing process and use, but also product has resistance to height The metal products such as warm, wear-resistant, corrosion-resistant, intensity is high, compactness is high, the coefficient of expansion is low, light weight with or without it is excellent Point, it is specific as follows：
（1）The present invention is using attapulgite modified, talcum powder, kaolin, mica, calcite, aluminium oxide, magnesia as former Material, by raw material proportioning appropriate, adds additive appropriate, and raw material hot extrusion briquetting technique is made to be molded, and passes through high-temperature calcination Etc. techniques burnt product product so that product produced by the present invention have high temperature resistant, wear-resistant, corrosion-resistant, intensity is high, compactness The metal products such as height, the low, light weight of the coefficient of expansion with or without the advantages of；
（2）The present invention also carries out acidic treatment to tap shell surface, then carries out glazing, contributes to glaze preferable with shell Combination, the phenomenon that being not in peeling, glaze includes nano-titanium dioxide and silver ion antimicrobial agent, helps to improve water Quality；
（3）The present invention also uses hot extrusion briquetting technique to tap shell, and tap shell is structure as a whole, and does not have hollow knot Structure so that product strength is high, anti-shot ability is good, since tap shell is structure as a whole, does not need butt joint position and is glued It connects or reprocesses, not only simplify production process, in turn avoiding may to domestic water due to bonding site is using chemical bonding agent Caused by pollute.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.These embodiments are merely to illustrate the present invention and do not have to In limiting the scope of the invention.
Embodiment 1
The present embodiment is related to a kind of preparation process of ceramic tap, includes the following steps：
（1）Ceramic water tap housing raw material is weighed, the ceramic water tap housing raw material includes the component of following parts by weight：It is modified 20 parts of attapulgite, 8 parts of talcum powder, 12 parts of kaolin, 9 parts of mica, 4 parts of calcite, 4 parts of aluminium oxide, 2 parts of magnesia；
（2）By step（1）The raw material weighed is uniformly mixed, and is subsequently placed in calcining kiln and is calcined, and uses ball mill later Grinding 20 hours crosses 200~300 mesh sieve, obtains mixed-powder, the calcining is divided into three phases：First stage, with 10 DEG C/min Heating rate the temperature in calcining kiln is warming up to 300 DEG C, heat preservation calcining 2 hours, second stage, with the heating of 15 DEG C/min Temperature in calcining kiln is warming up to 700 DEG C by speed, and heat preservation calcining 1 hour the phase III, will with the heating rate of 10 DEG C/min Temperature in calcining kiln is warming up to 1230 DEG C, heat preservation calcining 2 hours；
（3）By step（2）The mixed-powder of gained is placed in drying equipment, drying；
（4）Take step（3）The paraffin of the mixed-powder weight 20%% of gained and the bamboo carbon powder of mixed-powder weight 3% are set together It is heated in heating equipment, makes melted paraffin wax at liquid, step then is added into the mixed liquor of paraffin and bamboo carbon powder （3）The mixed-powder of gained, stirs while adding, and material is made to be uniformly mixed, and the temperature for controlling mixed material is 60 DEG C, is obtained mixed Close slurry；
（5）Tap mould inside surface is applied into last layer releasing agent, then by step（4）The mixed slurry of gained injects the fire hose It is hot-forming in head mould tool, it is cooled to room temperature, demoulds, obtain tap green body；
（6）By step（5）Tap green body obtained is set in 1150 DEG C of calcining furnace and is burnt into, and keeps the temperature 2 hours, is cooled to Room temperature is placed in soak and impregnate 2 hours, and the soak is acid solution, is then cleaned up using deionized water, Drying, the tap green body that obtains that treated；
（7）To step（6）Gained treated tap billet surface carries out glazing, and it is 0.1mm, the glaze to make glazed thickness Material includes base-material and nano-titanium dioxide and silver ion antimicrobial agent, and the nano-titanium dioxide and silver ion antimicrobial agent account for base respectively Expect the 1% and 0.5% of weight, is then calcined, is cooled to room temperature to get to product.
Wherein, the step（1）In it is attapulgite modified using following methods be made：
Attapulgite is crushed to granular size to grain size≤1mm, is then immersed into clear water, is stirred with electric blender 10min, rotating speed are set as 400r/min, then filter solute being immersed into water-bath heat treatment 1 hour, temperature in dilute mineral acid solution Degree is set in 70 DEG C, then dispersant sodium pyrophosphate is added into the suspension after acidification and is sufficiently stirred, and cooperates at supersonic, water-heating method After managing 2h, centrifugal treating finally is carried out to it, after centrifugation, upper layer suspension is taken to be transported to swinging after filtering, drying 1h is roasted in drying oven, calcination temperature is 300 DEG C.
Wherein, the step（3）The time of middle drying is 30 minutes, and the temperature of drying equipment is 75 DEG C.
Wherein, the step（5）In hot-forming pressure be 7MPa.
Wherein, the step（7）The method of middle glazing is glazing by sufflation method.
Wherein, the step（7）The process of middle calcining is as follows：
400 DEG C will be increased to the rate of 3 DEG C/min, heat preservation calcining 1 hour, then the rate of 10 DEG C/min are increased to 700 DEG C, protect Then temperature calcining 2 hours is increased to 1130 DEG C/min, heat preservation calcining 4 hours with the rate of 10 DEG C/min.
Wherein, the step（7）The process of middle cooling is as follows：
1000 DEG C first are cooled to the cooling rate of 3 DEG C/min, keeps the temperature 1 hour, then be cooled to the cooling rate of 10 DEG C/min 700 DEG C, keep the temperature 2 hours, be then cooled to 500 DEG C again with the cooling rate of 5 DEG C/min, keep the temperature 3 hours, then again with 8 DEG C/ The cooling rate of min is cooled to 200 DEG C, finally naturally cools to room temperature.
Embodiment 2
The present embodiment is related to a kind of preparation process of ceramic tap, includes the following steps：
（1）Ceramic water tap housing raw material is weighed, the ceramic water tap housing raw material includes the component of following parts by weight：It is modified 40 parts of attapulgite, 17 parts of talcum powder, 30 parts of kaolin, 13 parts of mica, 6 parts of calcite, 11 parts of aluminium oxide, 5 parts of magnesia；
（2）By step（1）The raw material weighed is uniformly mixed, and is subsequently placed in calcining kiln and is calcined, and uses ball mill later Grinding 30 hours crosses 200~300 mesh sieve, obtains mixed-powder, the calcining is divided into three phases：First stage, with 20 DEG C/min Heating rate the temperature in calcining kiln is warming up to 400 DEG C, heat preservation calcining 3 hours, second stage, with the heating of 25 DEG C/min Temperature in calcining kiln is warming up to 800 DEG C by speed, and heat preservation calcining 2 hours the phase III, will with the heating rate of 15 DEG C/min Temperature in calcining kiln is warming up to 1310 DEG C, heat preservation calcining 4 hours；
（3）By step（2）The mixed-powder of gained is placed in drying equipment, drying；
（4）Take step（3）The paraffin of the mixed-powder weight 25% of gained and the bamboo carbon powder of mixed-powder weight 5% are placed in together It is heated in heating equipment, makes melted paraffin wax at liquid, step then is added into the mixed liquor of paraffin and bamboo carbon powder（3） The mixed-powder of gained, stirs while adding, and material is made to be uniformly mixed, and the temperature for controlling mixed material is 70 DEG C, must be mixed Slurry；
（5）Tap mould inside surface is applied into last layer releasing agent, then by step（4）The mixed slurry of gained injects the fire hose It is hot-forming in head mould tool, it is cooled to room temperature, demoulds, obtain tap green body；
（6）By step（5）Tap green body obtained is set in 1250 DEG C of calcining furnace and is burnt into, and keeps the temperature 3 hours, is cooled to Room temperature is placed in soak and impregnate 3 hours, and the soak is acid solution, is then cleaned up using deionized water, Drying, the tap green body that obtains that treated；
（7）To step（6）Gained treated tap billet surface carries out glazing, and it is 0.2mm, the glaze to make glazed thickness Material includes base-material and nano-titanium dioxide and silver ion antimicrobial agent, and the nano-titanium dioxide and silver ion antimicrobial agent account for base respectively Expect the 1% and 0.5% of weight, is then calcined, is cooled to room temperature to get to product.
Wherein, the step（1）In it is attapulgite modified using following methods be made：
Attapulgite is crushed to granular size to grain size≤1mm, is then immersed into clear water, is stirred with electric blender 20min, rotating speed are set as 400r/min, then filter solute being immersed into water-bath heat treatment 2 hours, temperature in dilute mineral acid solution Degree is set in 90 DEG C, then dispersant sodium pyrophosphate is added into the suspension after acidification and is sufficiently stirred, and cooperates at supersonic, water-heating method After managing 2h, centrifugal treating finally is carried out to it, after centrifugation, upper layer suspension is taken to be transported to swinging after filtering, drying 2h is roasted in drying oven, calcination temperature is 300 DEG C.
Wherein, the step（3）The time of middle drying is 60 minutes, and the temperature of drying equipment is 85 DEG C.
Wherein, the step（5）In hot-forming pressure be 13MPa.
Wherein, the step（7）The method of middle glazing is to pour glaze method.
Wherein, the step（7）The process of middle calcining is as follows：
500 DEG C will be increased to the rate of 5 DEG C/min, heat preservation calcining 2 hours, then the rate of 20 DEG C/min are increased to 800 DEG C, protect Then temperature calcining 3 hours is increased to 1170 DEG C/min, heat preservation calcining 7 hours with the rate of 20 DEG C/min.
Wherein, the step（7）The process of middle cooling is as follows：
1000 DEG C first are cooled to the cooling rate of 5 DEG C/min, keeps the temperature 1 hour, then be cooled to the cooling rate of 20 DEG C/min 700 DEG C, keep the temperature 2 hours, be then cooled to 500 DEG C again with the cooling rate of 10 DEG C/min, keep the temperature 3 hours, then again with 12 DEG C/ The cooling rate of min is cooled to 200 DEG C, finally naturally cools to room temperature.
Embodiment 3
The present embodiment is related to a kind of preparation process of ceramic tap, includes the following steps：
（1）Ceramic water tap housing raw material is weighed, the ceramic water tap housing raw material includes the component of following parts by weight：It is modified 30 parts of attapulgite, 14 parts of talcum powder, 25 parts of kaolin, 11 parts of mica, 5 parts of calcite, 7 parts of aluminium oxide, 3 parts of magnesia；
（2）By step（1）The raw material weighed is uniformly mixed, and is subsequently placed in calcining kiln and is calcined, and uses ball mill later Grinding 25 hours crosses 200~300 mesh sieve, obtains mixed-powder, the calcining is divided into three phases：First stage, with 15 DEG C/min Heating rate the temperature in calcining kiln is warming up to 350 DEG C, heat preservation calcining 2.5 hours, second stage, with the liter of 20 DEG C/min Temperature in calcining kiln is warming up to 780 DEG C by warm speed, and heat preservation calcining 1.8 hours is the phase III, fast with the heating of 13 DEG C/min Temperature in calcining kiln is warming up to 1270 DEG C by degree, heat preservation calcining 3 hours；
（3）By step（2）The mixed-powder of gained is placed in drying equipment, drying；
（4）Take step（3）The paraffin of the mixed-powder weight 22% of gained and the bamboo carbon powder of mixed-powder weight 4% are placed in together It is heated in heating equipment, makes melted paraffin wax at liquid, step then is added into the mixed liquor of paraffin and bamboo carbon powder（3） The mixed-powder of gained, stirs while adding, and material is made to be uniformly mixed, and the temperature for controlling mixed material is 65 DEG C, must be mixed Slurry；
（5）Tap mould inside surface is applied into last layer releasing agent, then by step（4）The mixed slurry of gained injects the fire hose It is hot-forming in head mould tool, it is cooled to room temperature, demoulds, obtain tap green body；
（6）By step（5）Tap green body obtained is set in 1200 DEG C of calcining furnace and is burnt into, and keeps the temperature 2.5 hours, cooling To room temperature, it is placed in soak and impregnate 2.5 hours, the soak is acid solution, is then cleaned using deionized water Totally, it dries, the tap green body that obtains that treated；
（7）To step（6）Gained treated tap billet surface carries out glazing, and it is 0.15mm to make glazed thickness, described Glaze includes base-material and nano-titanium dioxide and silver ion antimicrobial agent, and the nano-titanium dioxide and silver ion antimicrobial agent account for respectively The 1% of base-material weight and 0.5%, it then calcined, be cooled to room temperature to get to product.
Wherein, the step（1）In it is attapulgite modified using following methods be made：
Attapulgite is crushed to granular size to grain size≤1mm, is then immersed into clear water, is stirred with electric blender 15min, rotating speed are set as 400r/min, then filter solute being immersed into water-bath heat treatment 1.5 hours in dilute mineral acid solution, Temperature is set in 80 DEG C, then dispersant sodium pyrophosphate is added into the suspension after acidification and is sufficiently stirred, and cooperates with supersonic, water-heating method After handling 2h, centrifugal treating finally is carried out to it, after centrifugation, upper layer suspension is taken to be transported to revolution after filtering, drying 1.5h is roasted in formula drying oven, calcination temperature is 300 DEG C.
Wherein, the step（3）The time of middle drying is 45 minutes, and the temperature of drying equipment is 80 DEG C.
Wherein, the step（5）In hot-forming pressure be 10MPa.
Wherein, the step（7）The method of middle glazing is glazing by sufflation method.
Wherein, the step（7）The process of middle calcining is as follows：
450 DEG C being increased to the rate of 4 DEG C/min, heat preservation calcining 1.5 hours, then the rate of 15 DEG C/min are increased to 780 DEG C, Heat preservation calcining 2.5 hours, is then increased to 1130~1170 DEG C/min with the rate of 10~20 DEG C/min, and heat preservation calcining 4~7 is small When.
Wherein, the step（7）The process of middle cooling is as follows：
1000 DEG C first are cooled to the cooling rate of 4 DEG C/min, keeps the temperature 1 hour, then be cooled to the cooling rate of 15 DEG C/min 700 DEG C, keep the temperature 2 hours, be then cooled to 500 DEG C again with the cooling rate of 7 DEG C/min, keep the temperature 3 hours, then again with 10 DEG C/ The cooling rate of min is cooled to 200 DEG C, finally naturally cools to room temperature.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow Ring the substantive content of the present invention.

Claims (8)

1. a kind of preparation process of ceramic tap, which is characterized in that include the following steps：
（1）Ceramic water tap housing raw material is weighed, the ceramic water tap housing raw material includes the component of following parts by weight：It is modified 20~40 parts of attapulgite, 8~17 parts of talcum powder, 12~30 parts of kaolin, 9~13 parts of mica, 4~6 parts of calcite, aluminium oxide 4~11 parts, 2~5 parts of magnesia；
（2）By step（1）The raw material weighed is uniformly mixed, and is subsequently placed in calcining kiln and is calcined, and uses ball mill later Grinding 20~30 hours crosses 200~300 mesh sieve, obtains mixed-powder, the calcining is divided into three phases：First stage, with 10~ Temperature in calcining kiln is warming up to 300~400 DEG C by the heating rate of 20 DEG C/min, and heat preservation is calcined 2~3 hours, second stage, The temperature in calcining kiln is warming up to 700~800 DEG C with the heating rate of 15~25 DEG C/min, heat preservation is calcined 1~2 hour, the Temperature in calcining kiln is warming up to 1230~1310 DEG C by three stages with the heating rate of 10~15 DEG C/min, and heat preservation calcining 2~ 4 hours；
（3）By step（2）The mixed-powder of gained is placed in drying equipment, drying；
（4）Take step（3）The bamboo carbon powder of the paraffin and mixed-powder weight 3~5% of the mixed-powder weight 20%~25% of gained It is placed in heating equipment and is heated together, make melted paraffin wax at liquid, then add into the mixed liquor of paraffin and bamboo carbon powder Enter step（3）The mixed-powder of gained, stirs while adding, and material is made to be uniformly mixed, and the temperature for controlling mixed material is 60 ~70 DEG C, obtain mixed slurry；
（5）Tap mould inside surface is applied into last layer releasing agent, then by step（4）The mixed slurry of gained injects the fire hose It is hot-forming in head mould tool, it is cooled to room temperature, demoulds, obtain tap green body；
（6）By step（5）Tap green body obtained is set in 1150~1250 DEG C of calcining furnace and is burnt into, and it is small to keep the temperature 2~3 When, be cooled to room temperature, be placed in soak and carry out immersion 2~3 hours, the soak be acid solution, then using go from Sub- water cleans up, drying, the tap green body that obtains that treated；
（7）To step（6）Gained treated tap billet surface carries out glazing, and it is 0.1~0.2mm to make glazed thickness, The glaze includes base-material and nano-titanium dioxide and silver ion antimicrobial agent, and the nano-titanium dioxide and silver ion antimicrobial agent divide The 1% and 0.5% of base-material weight is not accounted for, is then calcined, is cooled to room temperature to get to product.
2. the preparation process of ceramic tap according to claim 1, which is characterized in that the step（1）Middle ceramic water Leader shell raw material includes the component of following parts by weight：Attapulgite modified 30 parts, 14 parts of talcum powder, 25 parts of kaolin, mica 11 parts, 5 parts of calcite, 7 parts of aluminium oxide, 3 parts of magnesia.
3. the preparation process of ceramic tap according to claim 1, which is characterized in that the step（1）Middle modification is recessed Convex stick soil is made using following methods：
Attapulgite is crushed to granular size to grain size≤1mm, is then immersed into clear water, with electric blender stirring 10~ 20min, rotating speed are set as 400r/min, then filter that solute is immersed into dilute mineral acid solution water-bath heat treatment 1~2 is small When, temperature is set in 70~90 DEG C, then dispersant sodium pyrophosphate is added into the suspension after acidification and is sufficiently stirred, collaboration ultrasound After hydro-thermal method handles 2h, centrifugal treating finally is carried out to it, after centrifugation, upper layer suspension is taken to be conveyed after filtering, drying 1~2h is roasted in swinging drying oven, calcination temperature is 300 DEG C.
4. the preparation process of ceramic tap according to claim 1, which is characterized in that the step（3）Middle drying Time is 30~60 minutes, and the temperature of drying equipment is 75~85 DEG C.
5. the preparation process of ceramic tap according to claim 1, which is characterized in that the step（5）In be hot pressed into The pressure of type is 7~13MPa.
6. the preparation process of ceramic tap according to claim 1, which is characterized in that the step（7）Middle glazing Method is glazing by sufflation method or pours glaze method.
7. the preparation process of ceramic tap according to claim 1, which is characterized in that the step（7）Middle calcining Process is as follows：
It will be increased to 400~500 DEG C with the rate of 3~5 DEG C/min, keep the temperature calcining 1~2 hour, then the speed of 10~20 DEG C/min Rate is increased to 700~800 DEG C, then heat preservation calcining 2~3 hours is increased to 1130~1170 with the rate of 10~20 DEG C/min DEG C/min, heat preservation calcining 4~7 hours.
8. the preparation process of ceramic tap according to claim 1, which is characterized in that the step（7）Middle cooling Process is as follows：
1000 DEG C first are cooled to the cooling rate of 3~5 DEG C/min, keeps the temperature 1 hour, then with the cooling rate of 10~20 DEG C/min 700 DEG C are cooled to, keeps the temperature 2 hours, is then cooled to 500 DEG C again with the cooling rate of 5~10 DEG C/min, keeps the temperature 3 hours, then 200 DEG C are cooled to the cooling rate of 8~12 DEG C/min again, finally naturally cools to room temperature.
CN201810336060.9A 2018-04-16 2018-04-16 A kind of preparation process of ceramic tap Withdrawn CN108530020A (en)

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Publication number Priority date Publication date Assignee Title
CN111454046A (en) * 2020-04-08 2020-07-28 唐山市丰华陶瓷有限公司 Grouting ceramic slurry preparation method, prepared slurry and grouting ceramic
CN115286372A (en) * 2022-08-02 2022-11-04 医带医路创新科技发展(天津)有限公司 Preparation method of stone needle drill

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111454046A (en) * 2020-04-08 2020-07-28 唐山市丰华陶瓷有限公司 Grouting ceramic slurry preparation method, prepared slurry and grouting ceramic
CN111454046B (en) * 2020-04-08 2022-03-11 唐山市丰华陶瓷有限公司 Grouting ceramic slurry preparation method, prepared slurry and grouting ceramic
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