CN108218410A - A kind of production method of float glass furnace damper block - Google Patents

A kind of production method of float glass furnace damper block Download PDF

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Publication number
CN108218410A
CN108218410A CN201611133442.9A CN201611133442A CN108218410A CN 108218410 A CN108218410 A CN 108218410A CN 201611133442 A CN201611133442 A CN 201611133442A CN 108218410 A CN108218410 A CN 108218410A
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float glass
glass furnace
hours
damper block
production method
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CN201611133442.9A
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王永江
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Xuzhou Connor Hi-Tech Materials Science And Technology Co Ltd
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Xuzhou Connor Hi-Tech Materials Science And Technology Co Ltd
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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
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/14—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silica
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • 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
    • 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
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3817—Carbides
    • C04B2235/3821—Boron carbides
    • 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
    • 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
    • C04B2235/38—Non-oxide ceramic constituents or additives
    • C04B2235/3852—Nitrides, e.g. oxynitrides, carbonitrides, oxycarbonitrides, lithium nitride, magnesium nitride
    • C04B2235/3873—Silicon nitrides, e.g. silicon carbonitride, silicon oxynitride
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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
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/602—Making the green bodies or pre-forms by moulding
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
    • C04B2235/661—Multi-step sintering
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
    • C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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    • C04B2235/9669—Resistance against chemicals, e.g. against molten glass or molten salts

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Glass Compositions (AREA)

Abstract

The invention discloses a kind of production method of float glass furnace damper block, the invention belongs to fused quartz ceramic production of articles field, composition of raw materials that the product uses is produced count by weight percentage：10 20 mesh vitreous silica silicon powders 50 52%, 50 60 mesh vitreous silica silicon powders 44 46%, boron carbide 2%, silicon nitride 1%, nanometre glue 0.40%, ammonium persulfate 0.20%, tetramethylethylenediamine 0.20%, polyethylene glycol 200 0.20%；The production method has using series of advantages such as few, simple for process, the pollution-free waste discharge of equipment, good product qualities；Product float glass furnace damper block has excellent hot property, chemical stability and electrical insulation capability below 1200 DEG C, is used mainly as float glass furnace liner.

Description

A kind of production method of float glass furnace damper block
Technical field
The invention belongs to fused quartz ceramic production of articles fields more particularly to a kind of with float glass furnace damper block Method.
Background technology
Fused quartz ceramic is a kind of using vitreous silica as raw material, using vitreous silica material made of ceramic production technology Material, its main feature is that：Coefficient of thermal expansion is small, thermal stability is good, electrical insulating property is good, chemerosiveness resistent is good；Quartz-ceramics maximum When advantage is below l1O0 DEG C, intensity increases with the raising of temperature, and during from room temperature to 1100 DEG C, intensity can increase Add 33%, product still can normal use at 1250 DEG C.The major product type of fused quartz ceramic is various, such as glass horizontal steel Change stove Quartz Ceramic Roller, float glass furnace damper block, Float Glass Annealing stove hollow roll, cast steel water nozzle, metal tape Material heat-treatment furnace hollow roll, glass and metallurgical furnace water nozzle, punch, crucible, furnace body, section's sulphur, even section cylinder, stirring rod, material Basin, rotation pipe, coke oven door and tedge liner and insulative inserts, microwave screen, arc-extinguish chamber, efficient batch furnace thermal insulation Device, laser reflector and other optical elements, quartz light sources light reflection and the such as part are absorbed in addition, in guided missile, rocket, thunder Up to etc. also have a small amount of application.The primary raw material that these products use all is vitreous silica silicon powder, and difference is only that silicon is micro- The granularity of powder is different, auxiliary material is different, product shape is different.The present invention is a kind of float glass furnace damper block, special In float glass furnace liner, product requirement intensity height, high temperature resistant, the temperature in use are up to 1100 DEG C or so, it is necessary to have high temperature Performance stablizes the features such as indeformable, thermal expansion is small, chemical stability is good, surface is smooth fine and smooth, not easy to wear by long-term use.This The key technical problem that invention product intends to solve in production has binomial, first, the best of the granularity of fused quartz ceramic powder is matched Than；Second is that the influence of quartz-ceramics additives on sintering property of fused quartz ceramics.
Invention content
Present invention mainly solves the problem of be to provide a kind of production method of float glass furnace damper block, produce the product The raw material weight proportioning of soup processed used is：10-20 mesh vitreous silica silicon powder 50-52%, 50-60 mesh vitreous silica silicon powders 44-46%, Boron carbide 2%, silicon nitride 1%, nanometre glue 0.40%, ammonium persulfate 0.20%, tetramethylethylenediamine 0.20%, polyethylene glycol 200 0.20%。
The present invention can be achieved through the following technical solutions：
（1）The nanometre glue of formula ratio, ammonium persulfate, tetramethylethylenediamine, polyethylene glycol 200 are first added in into stirring in agitator tank It in tank, is uniformly mixed under room temperature, then 10-20 mesh vitreous silicas silicon powder, the 50-60 mesh vitreous silica silicon of formula ratio is micro- Powder, boron carbide, silicon nitride are sent into ball mill ball milling 1.8-2.0 hours, add after the mixture in agitator tank is heated to 30-35 DEG C Enter ball mill, blending is uniform；
（2）Material in ball mill is filled into float glass furnace flashboard bricks die, is poured using the method shaken in casting Type casting moulding, then pressurization slough mold after placing 20-22 hours, then naturally dry 30-32 hours；
（3）The float glass furnace dried is sent into kiln with damper block and begins to warm up heating, first through the time of 2.0-2.6 hours By sintering temperature slowly after 0 DEG C rises to 400 DEG C, then sintering temperature is risen into 1200- from 400 DEG C within 6 hour time 1220 DEG C, this temperature is maintained to stop heating after 28-29 hours, float glass furnace damper block is obtained after being gradually cooled to room temperature.
The present invention further technical solution be：
Step（3）For coal gas shuttle kiln occurs for the kiln.
Step（3）Sintering temperature in the kiln is 1210 DEG C, and the total time of sintering is 28.5 hours.
The beneficial effects of the invention are as follows：Provide a kind of production method of float glass furnace damper block, the production method With using the series of advantages such as few, simple for process, the pollution-free waste discharge of equipment, good product quality；Product glass horizontal Annealing furnace Quartz Ceramic Roller has excellent hot property, chemical stability and electrical insulation capability below 1200 DEG C, mainly It is used as float glass furnace liner.
Specific embodiment
The present invention is further described by following embodiment.
Embodiment 1：
First the nanometre glue, 0.20% ammonium persulfate that total amount is 0.40%, 0.20% tetramethyl second two will will be accounted in agitator tank Amine, 0.20% polyethylene glycol 200 are added in agitator tank, are uniformly mixed under room temperature, then will account for the 10-20 mesh that total amount is 50% Vitreous silica silicon powder accounts for 50-60 mesh vitreous silicas silicon powder that total amount is 46%, accounts for boron carbide that total amount is 2%, accounts for total amount and is 1% silicon nitride is sent into ball mill ball milling 1.8 hours, and the mixture in agitator tank is heated to add in ball mill after 35 DEG C, blends Uniformly；Material in ball mill is filled into float glass furnace flashboard bricks die, is cast using the method shaken in casting Molding, then pressurization slough mold after placing 20 hours, then naturally dry 32 hours；The float glass furnace damper block that will be dried Be sent into kiln begin to warm up heating, first through the time of 2.0 hours by sintering temperature slowly after 0 DEG C rises to 400 DEG C, then 6 Sintering temperature is risen to 1200 DEG C from 400 DEG C in time hour, this temperature is maintained to stop heating after 28 hours, is gradually cooled to often Float glass furnace damper block is obtained after temperature.
Embodiment 2：
First the nanometre glue, 0.20% ammonium persulfate that total amount is 0.40%, 0.20% tetramethyl second two will will be accounted in agitator tank Amine, 0.20% polyethylene glycol 200 are added in agitator tank, are uniformly mixed under room temperature, then will account for the 10-20 mesh that total amount is 51% Vitreous silica silicon powder accounts for 50-60 mesh vitreous silicas silicon powder that total amount is 45%, accounts for boron carbide that total amount is 2%, accounts for total amount and is 1% silicon nitride is sent into ball mill ball milling 1.9 hours, adds in ball mill after the mixture in agitator tank is heated to 32.5 DEG C, mixes It is mixed even；Material in ball mill is filled into float glass furnace flashboard bricks die, is poured using the method shaken in casting Type casting moulding, then pressurization slough mold after placing 21 hours, then naturally dry 31 hours；The float glass furnace flashboard that will be dried Brick is sent into kiln and begins to warm up heating, first through the time of 2.3 hours by sintering temperature slowly after 0 DEG C rises to 400 DEG C, then Sintering temperature is risen to 1210 DEG C from 400 DEG C in 6 hour time, this temperature is maintained to stop heating after 28.5 hours, is gradually cooled down Float glass furnace damper block is obtained after to room temperature.
Embodiment 3：
First the nanometre glue, 0.20% ammonium persulfate that total amount is 0.40%, 0.20% tetramethyl second two will will be accounted in agitator tank Amine, 0.20% polyethylene glycol 200 are added in agitator tank, are uniformly mixed under room temperature, then will account for the 10-20 mesh that total amount is 52% Vitreous silica silicon powder accounts for 50-60 mesh vitreous silicas silicon powder that total amount is 44%, accounts for boron carbide that total amount is 2%, accounts for total amount and is 1% silicon nitride is sent into ball mill ball milling 2.0 hours, and the mixture in agitator tank is heated to add in ball mill after 30 DEG C, blends Uniformly；Material in ball mill is filled into float glass furnace flashboard bricks die, is cast using the method shaken in casting Molding, then pressurization slough mold after placing 22 hours, then naturally dry 30 hours；The float glass furnace damper block that will be dried Be sent into kiln begin to warm up heating, first through the time of 2.6 hours by sintering temperature slowly after 0 DEG C rises to 400 DEG C, then 6 Sintering temperature is risen to 1220 DEG C from 400 DEG C in time hour, this temperature is maintained to stop heating after 28 hours, is gradually cooled to often Float glass furnace damper block is obtained after temperature.

Claims (3)

1. a kind of production method of float glass furnace damper block, composition of raw materials is count by weight percentage：10-20 mesh melts Quartzy silicon powder 50-52%, 50-60 mesh vitreous silica silicon powder 44-46%, boron carbide 2%, silicon nitride 1%, nanometre glue 0.40%, mistake Ammonium sulfate 0.20%, tetramethylethylenediamine 0.20%, polyethylene glycol 200 0.20%；It is characterized in that：
（1）The nanometre glue of formula ratio, ammonium persulfate, tetramethylethylenediamine, polyethylene glycol 200 are first added in into stirring in agitator tank It in tank, is uniformly mixed under room temperature, then 10-20 mesh vitreous silicas silicon powder, the 50-60 mesh vitreous silica silicon of formula ratio is micro- Powder, boron carbide, silicon nitride are sent into ball mill ball milling 1.8-2.0 hours, add after the mixture in agitator tank is heated to 30-35 DEG C Enter ball mill, blending is uniform；
（2）Material in ball mill is filled into float glass furnace flashboard bricks die, is poured using the method shaken in casting Type casting moulding, then pressurization slough mold after placing 20-22 hours, then naturally dry 30-32 hours；
（3）The float glass furnace dried is sent into kiln with damper block and begins to warm up heating, first through the time of 2.0-2.6 hours By sintering temperature slowly after 0 DEG C rises to 400 DEG C, then sintering temperature is risen into 1200- from 400 DEG C within 6 hour time 1220 DEG C, this temperature is maintained to stop heating after 28-29 hours, float glass furnace damper block is obtained after being gradually cooled to room temperature.
2. a kind of production method of float glass furnace damper block according to claim 1, it is characterized in that：Step（3）Institute For coal gas shuttle kiln occurs for the kiln stated.
3. a kind of production method of float glass furnace damper block according to claim 1, it is characterized in that：Step（3）Institute The sintering temperature in kiln stated is 1210 DEG C, and the total time of sintering is 28.5 hours.
CN201611133442.9A 2016-12-10 2016-12-10 A kind of production method of float glass furnace damper block Pending CN108218410A (en)

Priority Applications (1)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611133442.9A CN108218410A (en) 2016-12-10 2016-12-10 A kind of production method of float glass furnace damper block

Publications (1)

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CN108218410A true CN108218410A (en) 2018-06-29

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Application publication date: 20180629