CN108610032A - A kind of production method of fused quartz ceramic coke oven door - Google Patents
A kind of production method of fused quartz ceramic coke oven door Download PDFInfo
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- CN108610032A CN108610032A CN201611134692.4A CN201611134692A CN108610032A CN 108610032 A CN108610032 A CN 108610032A CN 201611134692 A CN201611134692 A CN 201611134692A CN 108610032 A CN108610032 A CN 108610032A
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- fused quartz
- coke oven
- oven door
- quartz ceramic
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/14—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
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
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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
- C04B35/6261—Milling
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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
- C04B35/64—Burning or sintering processes
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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
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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
- C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
- C04B2235/656—Aspects 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
Abstract
The invention discloses a kind of production methods of fused quartz ceramic coke oven door, the invention belongs to fused quartz ceramic production of articles field, produce composition of raw materials that the product uses count by weight percentage：5 10 mesh vitreous silica silicon powders 60 62%, 30 40 mesh vitreous silica silicon powders 33 35%, boron carbide 2.5%, silicon nitride 0.5%, nanometre glue 0.5%, ammonium persulfate 0.2%, tetramethylethylenediamine 0.2%, polyethylene glycol 200 0.1%；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 fused quartz ceramic coke oven door, with excellent hot property, chemical stability and electrical insulation capability, is used mainly as various coke ovens as fire door at 1200 DEG C.
Description
Technical field
The invention belongs to fused quartz ceramic production of articles fields, more particularly to one kind is using vitreous silica silicon powder as raw material
The method for producing fused quartz ceramic coke oven door.
Background technology
Fused quartz ceramic be one kind 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 are maximum
Advantage is at l1O0 DEG C or less, and intensity increases with the raising of temperature, and when 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 coke oven door, is wanted to coke oven door
Seeking Truth good airproof performance, high temperature resistant reduce manufacturing cost as possible, and traditional coke oven door is mostly manufactured using metal, but in recent years, hair
Existing fused quartz ceramic has many advantages, such as, can meet rigors of the coke oven door to properties of product completely, and be produced into
Originally it substantially reduces.The key technical problem that product of the present invention intends to solve in production has, first, the particle of fused quartz ceramic powder
The optimum proportioning of degree；Second is that the influence of quartz-ceramics additives on sintering property of fused quartz ceramics；Third, best group of auxiliary material
It closes, the combination of auxiliary material will directly influence the conjugation of fused quartz ceramic powder particles, to reducing gap, improve the quality of product
It is most important.
Invention content
Present invention mainly solves the problem of be to provide a kind of production method of fused quartz ceramic coke oven door, produce the production
The raw material weight proportioning of soup processed that product use is：5-10 mesh vitreous silica silicon powder 60-62%, 30-40 mesh vitreous silica silicon powders 33-
35%, boron carbide 2.5%, silicon nitride 0.5%, nanometre glue 0.5%, ammonium persulfate 0.2%, tetramethylethylenediamine 0.2%, polyethylene glycol
200 0.1%。
The present invention can be achieved through the following technical solutions：
（1）Stirring first is added in the nanometre glue of formula ratio, ammonium persulfate, tetramethylethylenediamine, polyethylene glycol 200 in agitator tank
It in tank, is uniformly mixed under room temperature, then 5-10 mesh vitreous silicas silicon powder, the 30-40 mesh vitreous silica silicon of formula ratio is micro-
Powder, boron carbide, silicon nitride are sent into ball mill ball milling 2.6-2.8 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 fused quartz ceramic coke oven door mold, using the method shaken in casting
Cast molding, then pressurization slough mold after placing 32-34 hours, then naturally dry 30-32 hours；
（3）The fused quartz ceramic coke oven door dried feeding kiln is begun to warm up into heating, first through 3.3-3.5 hours time
By sintering temperature slowly after 0 DEG C rises to 400 DEG C, then sintering temperature is risen into 1210- from 400 DEG C within 5.5 hour time
It 1220 DEG C, maintains this temperature to stop heating after 31-32 hours, fused quartz ceramic coke oven door is obtained after being gradually cooled to room temperature
Blank material；
（4）The blank material of fused quartz ceramic coke oven door is sent into surface grinding machine, its outer surface is milled to predetermined size to obtain the final product
Finished product.
The present invention further technical solution be：
Step（3）The kiln is that shuttle kiln occurs for coal gas.
Step（3）Sintering temperature in the kiln is 1215 DEG C, and the total time of sintering is 31.5 hours.
The beneficial effects of the invention are as follows：Provide a kind of production method of fused quartz ceramic coke oven door, the producer
Method has using series of advantages such as few, simple for process, the pollution-free waste discharge of equipment, good product qualities；Product tekite
English ceramics coke oven door has excellent hot property, chemical stability and electrical insulation capability at 1200 DEG C or less, mainly in coke
It is used on stove.
Specific implementation mode
The present invention is further described by following embodiment.
Embodiment 1：
To first be accounted in agitator tank total amount be 0.5% nanometre glue, 0.2% ammonium persulfate, 0.2% tetramethylethylenediamine, 0.1%
Polyethylene glycol 200 be added agitator tank in, be uniformly mixed under room temperature, then will account for total amount be 60% 5-10 mesh vitreous silicas
Silicon powder, to account for 30-40 mesh vitreous silicas silicon powder that total amount is 36%, account for boron carbide that total amount is 2.5%, account for total amount be 0.5%
Silicon nitride is sent into ball mill ball milling 2.6 hours, the mixture in agitator tank is heated to ball mill is added after 30 DEG C, and blending is equal
It is even；Material in ball mill is filled into fused quartz ceramic coke oven door mold, is cast using the method shaken in casting
Molding, then pressurization slough mold after placing 32 hours, then naturally dry 32 hours；The fused quartz ceramic coke oven stove that will be dried
Door is sent into kiln and begins to warm up heating, first through 3.3 hours time 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 5.5 hour time, maintains this temperature to stop heating after 32 hours, gradually cools down
The blank material of fused quartz ceramic coke oven door is obtained after to room temperature；The blank material of fused quartz ceramic coke oven door is sent into flat
Its outer surface is milled to predetermined size and got product by face grinding machine.
Embodiment 2：
To will first be accounted in agitator tank total amount be 0.5% nanometre glue, 0.2% ammonium persulfate, 0.2% tetramethylethylenediamine,
0.1% polyethylene glycol 200 is added in agitator tank, is uniformly mixed under room temperature, then is melted the 5-10 mesh that total amount is 61% is accounted for
Quartzy silicon powder accounts for 30-40 mesh vitreous silicas silicon powder that total amount is 35%, accounts for boron carbide that total amount is 2.5%, accounts for total amount and is
0.5% silicon nitride is sent into ball mill ball milling 2.7 hours, and ball mill is added after the mixture in agitator tank is heated to 32.5 DEG C,
Blending is uniform；Material in ball mill is filled into fused quartz ceramic coke oven door mold, using the side shaken in casting
Method cast molding, then pressurization slough mold after placing 33 hours, then naturally dry 31 hours；The fused quartz ceramic that will be dried
Coke oven door is sent into kiln and begins to warm up heating, and sintering temperature is slowly first risen to 400 DEG C from 0 DEG C through 3.4 hours time
Afterwards, then within 5.5 hour time sintering temperature is risen to 1215 DEG C from 400 DEG C, this temperature is maintained to stop heating after 31.5 hours,
The blank material of fused quartz ceramic coke oven door is obtained after being gradually cooled to room temperature；By the blank of fused quartz ceramic coke oven door
Material is sent into surface grinding machine, its outer surface is milled to predetermined size and is got product.
Embodiment 3：
To will first be accounted in agitator tank total amount be 0.5% nanometre glue, 0.2% ammonium persulfate, 0.2% tetramethylethylenediamine,
0.1% polyethylene glycol 200 is added in agitator tank, is uniformly mixed under room temperature, then is melted the 5-10 mesh that total amount is 62% is accounted for
Quartzy silicon powder accounts for 30-40 mesh vitreous silicas silicon powder that total amount is 34%, accounts for boron carbide that total amount is 2.5%, accounts for total amount and is
0.5% silicon nitride is sent into ball mill ball milling 2.8 hours, and ball mill is added after the mixture in agitator tank is heated to 35 DEG C, mixes
It is mixed even；Material in ball mill is filled into fused quartz ceramic coke oven door mold, using the method shaken in casting
Cast molding, then pressurization slough mold after placing 34 hours, then naturally dry 30 hours；By the fused quartz ceramic dried coke
Furnace door is sent into kiln and begins to warm up heating, first through 3.5 hours time by sintering temperature slowly after 0 DEG C rises to 400 DEG C,
Sintering temperature is risen to 1220 DEG C from 400 DEG C within 5.5 hour time again, maintains this temperature to stop heating after 31 hours, gradually
Fused quartz ceramic coke oven door blank material is obtained after being cooled to room temperature；The blank material of fused quartz ceramic coke oven door is sent into
Its outer surface is milled to predetermined size and got product by surface grinding machine.
Claims (3)
1. a kind of production method of fused quartz ceramic coke oven door, composition of raw materials is count by weight percentage：5-10 mesh is molten
Fused silica silicon powder 60-62%, 30-40 mesh vitreous silica silicon powder 33-35%, boron carbide 2.5%, silicon nitride 0.5%, nanometre glue
0.5%, ammonium persulfate 0.2%, tetramethylethylenediamine 0.2%, polyethylene glycol 200 0.1%；It is characterized in that：
（1）Stirring first is added in the nanometre glue of formula ratio, ammonium persulfate, tetramethylethylenediamine, polyethylene glycol 200 in agitator tank
It in tank, is uniformly mixed under room temperature, then 5-10 mesh vitreous silicas silicon powder, the 30-40 mesh vitreous silica silicon of formula ratio is micro-
Powder, boron carbide, silicon nitride are sent into ball mill ball milling 2.6-2.8 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 fused quartz ceramic coke oven door mold, using the method shaken in casting
Cast molding, then pressurization slough mold after placing 32-34 hours, then naturally dry 30-32 hours；
（3）The fused quartz ceramic coke oven door dried feeding kiln is begun to warm up into heating, first through 3.3-3.5 hours time
By sintering temperature slowly after 0 DEG C rises to 400 DEG C, then sintering temperature is risen into 1210- from 400 DEG C within 5.5 hour time
It 1220 DEG C, maintains this temperature to stop heating after 31-32 hours, fused quartz ceramic coke oven door is obtained after being gradually cooled to room temperature
Blank material；
（4）The blank material of fused quartz ceramic coke oven door is sent into surface grinding machine, its outer surface is milled to predetermined size to obtain the final product
Finished product.
2. a kind of production method of fused quartz ceramic coke oven door according to claim 1, it is characterized in that：Step（3）
The kiln is that shuttle kiln occurs for coal gas.
3. a kind of production method of fused quartz ceramic coke oven door according to claim 1, it is characterized in that：Step（3）
Sintering temperature in the kiln is 1215 DEG C, and the total time of sintering is 31.5 hours.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611134692.4A CN108610032A (en) | 2016-12-11 | 2016-12-11 | A kind of production method of fused quartz ceramic coke oven door |
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| CN201611134692.4A CN108610032A (en) | 2016-12-11 | 2016-12-11 | A kind of production method of fused quartz ceramic coke oven door |
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| CN108610032A true CN108610032A (en) | 2018-10-02 |
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| CN201611134692.4A Pending CN108610032A (en) | 2016-12-11 | 2016-12-11 | A kind of production method of fused quartz ceramic coke oven door |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111018551A (en) * | 2020-01-10 | 2020-04-17 | 山东建筑大学 | Light heat-insulating castable for coke oven coal charging hole cover and preparation and use methods thereof |
-
2016
- 2016-12-11 CN CN201611134692.4A patent/CN108610032A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111018551A (en) * | 2020-01-10 | 2020-04-17 | 山东建筑大学 | Light heat-insulating castable for coke oven coal charging hole cover and preparation and use methods thereof |
| CN111018551B (en) * | 2020-01-10 | 2021-12-07 | 山东建筑大学 | Light heat-insulating castable for coke oven coal charging hole cover and preparation and use methods thereof |
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