CN114031384A - Preparation method of quartz ceramic hollow roller for toughened glass heating furnace - Google Patents

Preparation method of quartz ceramic hollow roller for toughened glass heating furnace Download PDF

Info

Publication number
CN114031384A
CN114031384A CN202111356670.3A CN202111356670A CN114031384A CN 114031384 A CN114031384 A CN 114031384A CN 202111356670 A CN202111356670 A CN 202111356670A CN 114031384 A CN114031384 A CN 114031384A
Authority
CN
China
Prior art keywords
hollow roller
drying
ceramic hollow
raw materials
heating furnace
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111356670.3A
Other languages
Chinese (zh)
Inventor
王永江
陈辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuzhou Connor Hi Tech Materials Science And Technology Co ltd
Original Assignee
Xuzhou Connor Hi Tech Materials Science And Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xuzhou Connor Hi Tech Materials Science And Technology Co ltd filed Critical Xuzhou Connor Hi Tech Materials Science And Technology Co ltd
Priority to CN202111356670.3A priority Critical patent/CN114031384A/en
Publication of CN114031384A publication Critical patent/CN114031384A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/14Shaped 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 silica
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B27/00Tempering or quenching glass products
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03BMANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B35/00Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64Burning or sintering processes
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3201Alkali metal oxides or oxide-forming salts thereof
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3225Yttrium oxide or oxide-forming salts thereof
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3284Zinc oxides, zincates, cadmium oxides, cadmiates, mercury oxides, mercurates or oxide forming salts thereof
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/34Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3418Silicon oxide, silicic acids, or oxide forming salts thereof, e.g. silica sol, fused silica, silica fume, cristobalite, quartz or flint
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38Non-oxide ceramic constituents or additives
    • C04B2235/3852Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
    • C04B2235/3873Silicon nitrides, e.g. silicon carbonitride, silicon oxynitride
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/50Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
    • C04B2235/54Particle size related information
    • C04B2235/5418Particle size related information expressed by the size of the particles or aggregates thereof
    • C04B2235/5427Particle size related information expressed by the size of the particles or aggregates thereof millimeter or submillimeter sized, i.e. larger than 0,1 mm
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6567Treatment time

Abstract

The invention discloses a preparation method of a quartz ceramic hollow roller for a toughened glass heating furnace, which comprises the following steps of S1, selecting quartz mixed raw materials comprising silicon nitride and silicon dioxide; s2, grinding the raw materials; s3, preparing colloidal slurry: putting the slurry after wet grinding, organic colloid, catalyst, surfactant and fused quartz mixed raw materials into a stirrer to be uniformly stirred to prepare colloid slurry; s4, molding, namely building a green body through pressure molding, and adding 1-5% of a sintering aid in the total amount; s5, drying: drying the molded blank body for 4-8h in a normal temperature environment, and then drying in a drying furnace at the drying temperature of 100-120 ℃; s6, sintering: and firing the dried blank body under the conditions of 1180-1220 ℃, and preserving the heat for 2-5 hours to obtain the quartz ceramic hollow roller rod. The treatment process is convenient to operate, the process is simplified, and the product has high breaking strength, low apparent porosity and high densification degree.

Description

Preparation method of quartz ceramic hollow roller for toughened glass heating furnace
Technical Field
The invention relates to the technical field of quartz ceramic processing, in particular to a preparation method of a quartz ceramic hollow roller rod for a toughened glass heating furnace.
Background
The quartz ceramic roller is mainly used for a glass high-temperature transmission mechanism of a glass toughening treatment kiln, and has the main advantages that: 1. the heat conductivity coefficient is low, the heat loss is small, and the uniformity of the furnace temperature is high; 2. the hardness is close to that of glass, and the glass cannot be scratched; 3. the material is light, the rigidity is good, and the flatness of the glass can be ensured. Therefore, the quartz ceramic roller is widely used in a tempered glass furnace. However, the quartz ceramic rolls currently used are all solid rolls. Although the solid roller can meet the use condition of the glass tempering furnace, the solid roller has many defects, such as the heavy weight of the solid roller and inconvenient installation and replacement operation. Particularly, the heat conduction of the solid roller rod is larger than that of the hollow roller rod, so that certain heat loss is caused, and certain influence is also caused on the uniformity of the furnace temperature.
The existing toughened glass heating furnace needs to use a quartz ceramic hollow roller rod in the processing process, and the traditional quartz ceramic hollow roller rod manufacturing process has the advantages that the manufactured product has lower strength, small volume density, low breaking strength, higher apparent porosity and low densification degree, and the using effect is influenced. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a preparation method of a quartz ceramic hollow roller rod for a toughened glass heating furnace, which solves the problems that: the existing toughened glass heating furnace needs to use a quartz ceramic hollow roller rod in the processing process, and the traditional quartz ceramic hollow roller rod manufacturing process has the problems of low strength, low volume density, low breaking strength, high apparent porosity, low densification degree and influence on the use effect of the manufactured product.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a method for preparing a quartz ceramic hollow roller for a toughened glass heating furnace comprises the following steps,
s1, selecting quartz mixed raw materials including 0.5-5.5% of silicon nitride and 94.5-99.5% of silicon dioxide;
s2, grinding the raw materials: adding purified water and a water reducing agent into the granules, putting the granules into a ball mill together, wet-milling the granules for 15-30h, discharging, heating and melting the raw materials, fully stirring the raw materials, and keeping the melting temperature at 1300 ℃ and 1450 ℃ to obtain a fused quartz mixed raw material;
s3, preparing colloidal slurry: putting the slurry after wet grinding, organic colloid, catalyst, surfactant and fused quartz mixed raw materials into a stirrer to be uniformly stirred to prepare colloid slurry;
s4, molding, namely building a green body through pressure molding, and adding 1-5% of a sintering aid in the total amount;
s5, drying: drying the molded blank body for 4-8h in a normal temperature environment, and then drying in a drying furnace at the drying temperature of 100-120 ℃;
s6, sintering: and firing the dried blank body under the conditions of 1180-1220 ℃, and preserving the heat for 2-5 hours to obtain the quartz ceramic hollow roller rod.
As a further preferable mode of the present invention, in step S1, the silica is composed of, in terms of mass percentage of particles to gradation: the granularity is as follows: 0.2-0.4 mm-40-50%, granularity: 0.1-0.2 mm-20-30% of the particle size: less than 0.1mm to 20-30%.
In a more preferred embodiment of the present invention, in step S2, pure water having a concentration of 17% to 68% may be continuously injected during the wet milling, and after the pure water is added, sodium bicarbonate having a concentration of 78% may be added to perform the wet milling.
In a more preferred embodiment of the present invention, in step S3, the catalyst is a mixture of potassium nitrate and silicic acid.
In a further preferred embodiment of the present invention, in step S3, the surfactant is one of sodium dodecyl diphenyl oxide disulfonate and alkyl diphenyl oxide disulfonate.
In a more preferred embodiment of the present invention, in step S3, the rotation speed of stirring is controlled to 120r/min to 160r/min, and the temperature is controlled to 1200 ℃ or higher.
In a further preferred embodiment of the present invention, in step S4, the sintering aid is one of nano yttrium oxide and zinc oxide.
As a further preferred embodiment of the present invention, in step S6, the sintering start rotational speed is 6rpm for 1.5 hours, and then the rotational speed is changed to 8rpm to 24rpm, and the acceleration is maintained uniformly and continuously.
(III) advantageous effects
The invention provides a preparation method of a quartz ceramic hollow roller rod for a toughened glass heating furnace. The method has the following beneficial effects:
the treatment process is convenient to operate and simplified, and the introduction of the silicon nitride has the effect of preparing the gel-casting quartz ceramic. The sintering temperature of the quartz ceramic is not influenced, and the promotion effect is achieved; proper addition does not cause quartz ceramic crystallization; the strength and the volume density of the quartz ceramic increase with the increase of the addition amount of silicon nitride and the increase of the sintering temperature, and the apparent porosity decreases.
The nano yttrium oxide or zinc oxide has the sintering effect on quartz ceramics, can obviously promote the sintering of the quartz ceramics, and has high breaking strength, low apparent porosity and high densification degree.
Drawings
FIG. 1 is a process flow diagram of the oxidative coloration of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an embodiment of the present invention provides a technical solution: a method for preparing a quartz ceramic hollow roller for a toughened glass heating furnace comprises the following steps,
s1, selecting quartz mixed raw materials including 0.5-5.5% of silicon nitride and 94.5-99.5% of silicon dioxide;
s2, grinding the raw materials: adding purified water and a water reducing agent into the granules, putting the granules into a ball mill together, wet-milling the granules for 15-30h, discharging, heating and melting the raw materials, fully stirring the raw materials, and keeping the melting temperature at 1300 ℃ and 1450 ℃ to obtain a fused quartz mixed raw material;
s3, preparing colloidal slurry: putting the slurry after wet grinding, organic colloid, catalyst, surfactant and fused quartz mixed raw materials into a stirrer to be uniformly stirred to prepare colloid slurry;
s4, molding, namely building a green body through pressure molding, and adding 1-5% of a sintering aid in the total amount;
s5, drying: drying the molded blank body for 4-8h in a normal temperature environment, and then drying in a drying furnace at the drying temperature of 100-120 ℃;
s6, sintering: and firing the dried blank body under the conditions of 1180-1220 ℃, and preserving the heat for 2-5 hours to obtain the quartz ceramic hollow roller rod.
In step S1, the silica is prepared by, in terms of mass percentage of particles to gradation: the granularity is as follows: 0.2-0.4 mm-40-50%, granularity: 0.1-0.2 mm-20-30% of the particle size: less than 0.1mm to 20-30%.
In step S2, pure water with a concentration of 17% to 68% may be continuously injected during the wet milling process, and after the pure water is added, sodium bicarbonate with a concentration of 78% is added for sufficient wet milling.
In step S3, the catalyst is a mixture of potassium nitrate and silicic acid.
In step S3, the surfactant is one of sodium dodecyl diphenyl oxide disulfonate or alkyl diphenyl oxide disulfonate.
In step S3, the rotation speed of stirring is controlled at 120r/min-160r/min, and the temperature is controlled at 1200 ℃ or above.
In step S4, the sintering aid is one of nano yttrium oxide or zinc oxide.
In step S6, the sintering start rotational speed was 6rpm for 1.5 hours, and then the rotational speed was changed to 8rpm to 24rpm, maintaining uniform continuous acceleration.
Example one
Selecting quartz mixed raw materials comprising silicon nitride and silicon dioxide, wherein the silicon nitride accounts for 5.5%, the silicon dioxide accounts for 94.5%, and the particle size of the silicon dioxide is as follows: 0.4 mm-50%, the particle size is: 0.2 mm-30%, the granularity is: less than 0.1mm to 20 percent;
grinding raw materials: adding the particles, purified water and the water reducing agent into a ball mill, wet-milling for 30h, discharging, heating and melting the raw materials, fully stirring, and keeping the melting temperature at 1450 ℃ to obtain a fused quartz mixed raw material;
preparing colloidal slurry: putting the slurry after wet grinding, the mixture consisting of organic colloid, potassium nitrate and silicic acid, sodium dodecyl diphenyl ether disulfonate and the mixed raw material of fused quartz into a stirrer to be uniformly stirred, controlling the rotating speed at 120r/min and the temperature at over 1200 ℃ to prepare colloid slurry;
forming, namely building a green body through pressure forming, and adding zinc oxide accounting for 5 percent of the total weight;
and (3) drying: airing the formed blank body for 6 hours in a normal temperature environment, and then putting the blank body into a drying furnace for drying, wherein the drying temperature is 120 ℃;
and (3) sintering: and (3) firing the dried blank body under the firing condition of 1220 ℃, wherein the initial sintering rotation speed is 6rpm and lasts for 1.5h, then changing the rotation speed to 24rpm, keeping uniform and continuous acceleration, and keeping the temperature for 3.5h to obtain the quartz ceramic hollow roller rod.
Example two
Selecting quartz mixed raw materials, wherein the quartz mixed raw materials comprise silicon nitride and silicon dioxide, the silicon nitride accounts for 0.5-5.5%, the silicon dioxide accounts for 94.5%, and the silicon dioxide comprises the following components in percentage by mass: the granularity is as follows: 0.2 mm-40%, the granularity is: 0.1 mm-30% of the particle size: less than 0.1mm to 30 percent;
grinding raw materials: adding purified water and a water reducing agent into the granules, putting the granules together with the purified water and the water reducing agent into a ball mill, wet-milling the granules for 15h, discharging the granules, heating and melting the raw materials, fully stirring the raw materials, keeping the melting temperature at 1300 ℃ to obtain a fused quartz mixed raw material, continuously injecting the purified water with the concentration of 17 percent in the wet-milling process, adding the sodium bicarbonate with the concentration of 78 percent after adding the purified water, and fully wet-milling the mixture;
preparing colloidal slurry: putting the slurry after wet grinding, a mixture consisting of organic colloid, potassium nitrate and silicic acid, wherein the surfactant is one of sodium dodecyl diphenyl ether disulfonate or alkyl diphenyl ether disulfonate and a fused quartz mixed raw material into a stirrer to be uniformly stirred, the stirring speed is controlled at 160r/min, and the temperature is controlled at over 1200 ℃ to prepare colloid slurry;
molding, namely building a green body through pressure molding, and adding 1% of nano yttrium oxide in total weight percentage;
and (3) drying: airing the formed blank body for 8 hours in a normal temperature environment, and then putting the blank body into a drying furnace for drying, wherein the drying temperature is 100 ℃;
and (3) sintering: and firing the dried blank body under the firing condition of 1180 ℃, wherein the initial sintering rotation speed is 6rpm and lasts for 1.5h, then the rotation speed is changed to 8rpm, the uniform and continuous acceleration is kept, and the heat preservation is carried out for 3h, so that the quartz ceramic hollow roller rod is obtained.
EXAMPLE III
Selecting quartz mixed raw materials, wherein the quartz mixed raw materials comprise silicon nitride and silicon dioxide, the silicon nitride accounts for 4%, the silicon dioxide accounts for 96%, and the silicon dioxide comprises the following components in percentage by mass: the granularity is as follows: 0.4 mm-50%, the particle size is: 0.15 mm-30% of the particle size: less than 0.1mm to 20 percent;
grinding raw materials: adding purified water and a water reducing agent into the granules, putting the granules into a ball mill together, wet-milling the granules for 20h, discharging the granules, heating and melting the raw materials, fully stirring the raw materials, keeping the melting temperature at 1400 ℃ to obtain a fused quartz mixed raw material, continuously injecting purified water with the concentration of 55 percent in the wet milling process, adding purified water, then adding sodium bicarbonate with the concentration of 78 percent, and fully wet-milling the mixture;
preparing colloidal slurry: putting the slurry after wet grinding, the mixture consisting of organic colloid, potassium nitrate and silicic acid, and the surfactant which is dodecyl diphenyl ether sodium disulfonate and the mixed raw material of fused quartz into a stirrer to be uniformly stirred, wherein the stirring speed is controlled at 150r/min, and the temperature is controlled at over 1200 ℃ to prepare colloid slurry;
molding, namely building a green body through pressure molding, and adding 3% of nano yttrium oxide in total weight percentage;
and (3) drying: drying the molded blank body for 8 hours at normal temperature, and then drying in a drying furnace at the drying temperature of 110 ℃;
and (3) sintering: and (3) firing the dried blank body under the firing condition of 1200 ℃, wherein the initial sintering rotation speed is 6rpm and lasts for 1.5h, then changing the rotation speed to 20rpm, keeping uniform and continuous acceleration, and keeping the temperature for 4h to obtain the quartz ceramic hollow roller rod.
The product parameter table is as follows:
Figure BDA0003357444750000071
while there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (8)

1. A preparation method of a quartz ceramic hollow roller for a toughened glass heating furnace is characterized by comprising the following steps: the specific manufacturing method comprises the following steps of,
s1, selecting quartz mixed raw materials including 0.5-5.5% of silicon nitride and 94.5-99.5% of silicon dioxide;
s2, grinding the raw materials: adding purified water and a water reducing agent into the granules, putting the granules into a ball mill together, wet-milling the granules for 15-30h, discharging, heating and melting the raw materials, fully stirring the raw materials, and keeping the melting temperature at 1300 ℃ and 1450 ℃ to obtain a fused quartz mixed raw material;
s3, preparing colloidal slurry: putting the slurry after wet grinding, organic colloid, catalyst, surfactant and fused quartz mixed raw materials into a stirrer to be uniformly stirred to prepare colloid slurry;
s4, molding, namely building a green body through pressure molding, and adding 1-5% of a sintering aid in the total amount;
s5, drying: drying the molded blank body for 4-8h in a normal temperature environment, and then drying in a drying furnace at the drying temperature of 100-120 ℃;
s6, sintering: and firing the dried blank body under the conditions of 1180-1220 ℃, and preserving the heat for 2-5 hours to obtain the quartz ceramic hollow roller rod.
2. The method for preparing the quartz ceramic hollow roller for the tempered glass heating furnace according to claim 1, wherein the method comprises the following steps: in step S1, the silica is prepared by, in terms of mass percentage of particles to gradation: the granularity is as follows: 0.2-0.4 mm-40-50%, granularity: 0.1-0.2 mm-20-30% of the particle size: less than 0.1mm to 20-30%.
3. The method for preparing the quartz ceramic hollow roller for the tempered glass heating furnace according to claim 1, wherein the method comprises the following steps: in step S2, pure water with a concentration of 17% to 68% may be continuously injected during the wet milling process, and after the pure water is added, sodium bicarbonate with a concentration of 78% is added for sufficient wet milling.
4. The method for preparing the quartz ceramic hollow roller for the tempered glass heating furnace according to claim 1, wherein the method comprises the following steps: in step S3, the catalyst is a mixture of potassium nitrate and silicic acid.
5. The method for preparing the quartz ceramic hollow roller for the tempered glass heating furnace according to claim 1, wherein the method comprises the following steps: in step S3, the surfactant is one of sodium dodecyl diphenyl oxide disulfonate or alkyl diphenyl oxide disulfonate.
6. The method for preparing the quartz ceramic hollow roller for the tempered glass heating furnace according to claim 1, wherein the method comprises the following steps: in step S3, the rotation speed of stirring is controlled at 120r/min-160r/min, and the temperature is controlled at 1200 ℃ or above.
7. The method for preparing the quartz ceramic hollow roller for the tempered glass heating furnace according to claim 1, wherein the method comprises the following steps: in step S4, the sintering aid is one of nano yttrium oxide or zinc oxide.
8. The method for preparing the quartz ceramic hollow roller for the tempered glass heating furnace according to claim 1, wherein the method comprises the following steps: in step S6, the sintering start rotational speed was 6rpm for 1.5 hours, and then the rotational speed was changed to 8rpm to 24rpm, maintaining uniform continuous acceleration.
CN202111356670.3A 2021-11-16 2021-11-16 Preparation method of quartz ceramic hollow roller for toughened glass heating furnace Pending CN114031384A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111356670.3A CN114031384A (en) 2021-11-16 2021-11-16 Preparation method of quartz ceramic hollow roller for toughened glass heating furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111356670.3A CN114031384A (en) 2021-11-16 2021-11-16 Preparation method of quartz ceramic hollow roller for toughened glass heating furnace

Publications (1)

Publication Number Publication Date
CN114031384A true CN114031384A (en) 2022-02-11

Family

ID=80144588

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111356670.3A Pending CN114031384A (en) 2021-11-16 2021-11-16 Preparation method of quartz ceramic hollow roller for toughened glass heating furnace

Country Status (1)

Country Link
CN (1) CN114031384A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102503143A (en) * 2011-10-10 2012-06-20 河北联合大学 Preparation method of fused quartz ceramic material containing nano yttrium oxide
CN102503144A (en) * 2011-10-14 2012-06-20 河北联合大学 Method for preparing fused quartz ceramic material containing nanometer zinc oxide
CN106495676A (en) * 2016-10-31 2017-03-15 洛阳索莱特材料科技有限公司 A kind of preparation method of tempered glass heating furnace with quartz-ceramics hollow roll rod
CN106810223A (en) * 2015-11-29 2017-06-09 徐州康纳陶瓷科技有限公司 A kind of production method of Float Glass Annealing stove silicon roller
CN108610029A (en) * 2016-12-10 2018-10-02 徐州康纳高新材料科技有限公司 A kind of production method of glass horizontal annealing furnace Quartz Ceramic Roller
CN113149627A (en) * 2021-05-13 2021-07-23 武汉理工大学 Fused quartz ceramic and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102503143A (en) * 2011-10-10 2012-06-20 河北联合大学 Preparation method of fused quartz ceramic material containing nano yttrium oxide
CN102503144A (en) * 2011-10-14 2012-06-20 河北联合大学 Method for preparing fused quartz ceramic material containing nanometer zinc oxide
CN106810223A (en) * 2015-11-29 2017-06-09 徐州康纳陶瓷科技有限公司 A kind of production method of Float Glass Annealing stove silicon roller
CN106495676A (en) * 2016-10-31 2017-03-15 洛阳索莱特材料科技有限公司 A kind of preparation method of tempered glass heating furnace with quartz-ceramics hollow roll rod
CN108610029A (en) * 2016-12-10 2018-10-02 徐州康纳高新材料科技有限公司 A kind of production method of glass horizontal annealing furnace Quartz Ceramic Roller
CN113149627A (en) * 2021-05-13 2021-07-23 武汉理工大学 Fused quartz ceramic and preparation method thereof

Similar Documents

Publication Publication Date Title
CN111394706B (en) Preparation method of ITO ceramic target material with controllable grain size
CN103753410B (en) A kind of low-temperature metal vitrified bonded grinding wheel
CN102167606A (en) Silica brick and preparation method thereof
CN108892478B (en) Low-temperature porcelain and preparation method thereof
CN110577365A (en) Nanocrystalline glass ceramic and preparation method thereof
CN109502983B (en) Preparation method of sky-screen blue microcrystalline glass with star-shaped distribution
WO2023082756A1 (en) Lithium silicate glass-ceramic prosthesis and preparation method therefor
CN104108882A (en) Float microcrystalline glass and preparation method thereof
CN113735449B (en) Super-hydrophobic matrix material of monoclinic phase celsian glass ceramic and preparation method thereof
CN107188422A (en) A kind of novel foam glass and preparation method thereof
CN106892560A (en) A kind of high finished product rate glass and its production technology
CN114031384A (en) Preparation method of quartz ceramic hollow roller for toughened glass heating furnace
CN110240477A (en) A kind of preparation method of underglaze colour bone china
CN108863304A (en) Ceramic batch, pottery and preparation method thereof
CN112456794A (en) Alkali-free glass for liquid crystal display and preparation method thereof
CN108610029A (en) A kind of production method of glass horizontal annealing furnace Quartz Ceramic Roller
CN109502966B (en) High-hardness high-transmittance glass and preparation method thereof
CN108752017B (en) Fused zirconia corundum brick and preparation method thereof
CN110563477A (en) in-situ grown alumina whisker reinforced and toughened zirconium-aluminum composite ceramic material and preparation method thereof
CN110156303A (en) A kind of opaque silica glass and preparation method thereof
CN109809695A (en) A kind of crystalline glaze and preparation method thereof
CN107021624A (en) A kind of glass and its production technology
CN112759266A (en) Low-melting-point white microcrystalline glass plate and preparation method and application thereof
CN110423008A (en) A kind of crystallite solid electrolyte and preparation method thereof
CN115180825B (en) Ultraviolet high-transmittance glass suitable for float forming and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20220211

RJ01 Rejection of invention patent application after publication