CN108610064A - A kind of production method of fused quartz ceramic arc-extinguish chamber - Google Patents
A kind of production method of fused quartz ceramic arc-extinguish chamber Download PDFInfo
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- CN108610064A CN108610064A CN201611134821.XA CN201611134821A CN108610064A CN 108610064 A CN108610064 A CN 108610064A CN 201611134821 A CN201611134821 A CN 201611134821A CN 108610064 A CN108610064 A CN 108610064A
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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
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- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- 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
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Abstract
The invention discloses a kind of production methods of fused quartz ceramic arc-extinguish chamber, the invention belongs to fused quartz ceramic production of articles field, produce composition of raw materials that the product uses count by weight percentage：180 190 mesh vitreous silica silicon powders 60 62%, 220 240 mesh vitreous silica silicon powders 34 36%, boron carbide 2%, silicon nitride 1%, nanometre glue 0.30%, ammonium persulfate 0.20%, tetramethylethylenediamine 0.30%, 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 fused quartz ceramic arc-extinguish chamber at 1100 DEG C or less with excellent hot property, chemical stability and electrical insulation capability, compared with traditional product：They all increase in terms of pitch-durable performance and mechanical strength.
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 arc-extinguish chamber.
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 part etc. is 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 fused quartz ceramic arc-extinguish chamber, due to
Arc-extinguish chamber will be acted on by high arc temperature, so the requirement to the material of arc-extinguish chamber is：It will not be become because of heat by high arc temperature effect
Shape, insulation performance cannot decline, and mechanical strength is good and easy processing manufacture etc., arc extinguishing cover material go over widely used asbestos cement and
China clay material is gradually changed to use arc-resisting ceramic and are-tight BMC moulding compounds now, they are in terms of pitch-durable performance and mechanical strength
It all increases, it has been found that the performance of fused quartz ceramic is more excellent.The pass that product of the present invention intends to solve in production
Key technology problem has, first, the optimum proportioning of the granularity of fused quartz ceramic powder；Second is that quartz-ceramics additive is to tekite
The influence of English ceramic post sintering performance；Third, the optimal combination of auxiliary material.
Invention content
Present invention mainly solves the problem of be to provide a kind of production method of fused quartz ceramic arc-extinguish chamber, produce the product
The raw material weight proportioning of soup processed used is：180-190 mesh vitreous silica silicon powder 60-62%, 220-240 mesh vitreous silica silicon powders 34-
36%, boron carbide 2%, silicon nitride 1%, nanometre glue 0.30%, ammonium persulfate 0.20%, tetramethylethylenediamine 0.30%, polyethylene glycol 200
0.20%。
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 by 180-190 mesh vitreous silicas silicon powder, the 220-240 mesh vitreous silicas of formula ratio
Silicon powder, boron carbide, silicon nitride are sent into ball mill ball milling 2.8-3.0 hours, and the mixture in agitator tank is heated to 30-35 DEG C
After be added ball mill, blending is uniform；
（2）Material in ball mill is filled into fused quartz ceramic arc-extinguish chamber mold, is poured using the method shaken in casting
Type casting moulding, then pressurization slough mold after placing 30-32 hours, then naturally dry 38-40 hours；
（3）The fused quartz ceramic arc-extinguish chamber dried feeding kiln is begun to warm up into heating, it first will through 4.0-4.2 hours time
Sintering temperature is slowly after 0 DEG C rises to 400 DEG C, then sintering temperature is risen to 1160-1180 from 400 DEG C within 6 hour time
DEG C, it maintains this temperature to stop heating after 36-38 hours, fused quartz ceramic arc-extinguish chamber is obtained after being gradually cooled to room temperature.
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 1170 DEG C, and the total time of sintering is 37 hours.
The beneficial effects of the invention are as follows：Provide a kind of production method of fused quartz ceramic arc-extinguish chamber, 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 vitreous silica
Ceramic arc suppressing cover has excellent hot property, chemical stability and electrical insulation capability at 1100 DEG C or less, mainly as anti-electric
Arc product uses.
Specific implementation mode
The present invention is further described by following embodiment.
Embodiment 1：
To first be accounted in agitator tank total amount be 0.30% nanometre glue, 0.20% ammonium persulfate, 0.30% tetramethylethylenediamine,
0.20% polyethylene glycol 200 is added in agitator tank, is uniformly mixed under room temperature, then will account for 180-190 mesh of the total amount for 60%
Vitreous silica silicon powder accounts for 220-240 mesh vitreous silicas silicon powder that total amount is 36%, accounts for boron carbide that total amount is 2%, accounts for total amount
It is sent into ball mill ball milling 2.8 hours for 1% silicon nitride, ball mill is added after the mixture in agitator tank is heated to 30 DEG C, mixes
It is mixed even；Material in ball mill is filled into fused quartz ceramic arc-extinguish chamber mold, is poured using the method shaken in casting
Type casting moulding, then pressurization slough mold after placing 30 hours, then naturally dry 40 hours；The fused quartz ceramic arc extinguishing that will be dried
Cover is sent into kiln and begins to warm up heating, first through 4.0 hours time by sintering temperature slowly after 0 DEG C rises to 400 DEG C, then
Sintering temperature is risen to 1160 DEG C from 400 DEG C in 6 hour time, maintains this temperature to stop heating after 38 hours, is gradually cooled to
Fused quartz ceramic arc-extinguish chamber is obtained after room temperature.
Embodiment 2：
To first be accounted in agitator tank total amount be 0.30% nanometre glue, 0.20% ammonium persulfate, 0.30% tetramethylethylenediamine,
0.20% polyethylene glycol 200 is added in agitator tank, is uniformly mixed under room temperature, then will account for 180-190 mesh of the total amount for 61%
Vitreous silica silicon powder accounts for 220-240 mesh vitreous silicas silicon powder that total amount is 35%, accounts for boron carbide that total amount is 2%, accounts for total amount
It is sent into ball mill ball milling 2.9 hours for 1% silicon nitride, ball mill is added after the mixture in agitator tank is heated to 34 DEG C, mixes
It is mixed even；Material in ball mill is filled into fused quartz ceramic arc-extinguish chamber mold, is poured using the method shaken in casting
Type casting moulding, then pressurization slough mold after placing 31 hours, then naturally dry 39 hours；The fused quartz ceramic arc extinguishing that will be dried
Cover is sent into kiln and begins to warm up heating, first through 4.1 hours time by sintering temperature slowly after 0 DEG C rises to 400 DEG C, then
Sintering temperature is risen to 1170 DEG C from 400 DEG C in 6 hour time, maintains this temperature to stop heating after 37 hours, is gradually cooled to
Fused quartz ceramic arc-extinguish chamber is obtained after room temperature.
Embodiment 3：
To first be accounted in agitator tank total amount be 0.30% nanometre glue, 0.20% ammonium persulfate, 0.30% tetramethylethylenediamine,
0.20% polyethylene glycol 200 is added in agitator tank, is uniformly mixed under room temperature, then will account for 180-190 mesh of the total amount for 62%
Vitreous silica silicon powder accounts for 220-240 mesh vitreous silicas silicon powder that total amount is 34%, accounts for boron carbide that total amount is 2%, accounts for total amount
It is sent into ball mill ball milling 3.0 hours for 1% silicon nitride, 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 arc-extinguish chamber mold, is poured using the method shaken in casting
Type casting moulding, then pressurization slough mold after placing 32 hours, then naturally dry 38 hours；The fused quartz ceramic arc extinguishing that will be dried
Cover is sent into kiln and begins to warm up heating, first through 4.2 hours time by sintering temperature slowly after 0 DEG C rises to 400 DEG C, then
Sintering temperature is risen to 1180 DEG C from 400 DEG C in 6 hour time, maintains this temperature to stop heating after 36 hours, is gradually cooled to
Fused quartz ceramic arc-extinguish chamber is obtained after room temperature.
Claims (3)
1. a kind of production method of fused quartz ceramic arc-extinguish chamber, composition of raw materials is count by weight percentage：180-190 mesh is molten
Fused silica silicon powder 60-62%, 220-240 mesh vitreous silica silicon powder 34-36%, boron carbide 2%, silicon nitride 1%, nanometre glue
0.30%, ammonium persulfate 0.20%, tetramethylethylenediamine 0.30%, polyethylene glycol 200 0.20%；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 by 180-190 mesh vitreous silicas silicon powder, the 220-240 mesh vitreous silicas of formula ratio
Silicon powder, boron carbide, silicon nitride are sent into ball mill ball milling 2.8-3.0 hours, and the mixture in agitator tank is heated to 30-35 DEG C
After be added ball mill, blending is uniform；
（2）Material in ball mill is filled into fused quartz ceramic arc-extinguish chamber mold, is poured using the method shaken in casting
Type casting moulding, then pressurization slough mold after placing 30-32 hours, then naturally dry 38-40 hours；
（3）The fused quartz ceramic arc-extinguish chamber dried feeding kiln is begun to warm up into heating, it first will through 4.0-4.2 hours time
Sintering temperature is slowly after 0 DEG C rises to 400 DEG C, then sintering temperature is risen to 1160-1180 from 400 DEG C within 6 hour time
DEG C, it maintains this temperature to stop heating after 36-38 hours, fused quartz ceramic arc-extinguish chamber is obtained after being gradually cooled to room temperature.
2. a kind of production method of fused quartz ceramic arc-extinguish chamber according to claim 1, it is characterized in that：Step（3）Institute
The kiln stated is that shuttle kiln occurs for coal gas.
3. a kind of production method of fused quartz ceramic arc-extinguish chamber according to claim 1, it is characterized in that：Step（3）Institute
The sintering temperature in kiln stated is 1170 DEG C, and the total time of sintering is 37 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611134821.XA CN108610064A (en) | 2016-12-11 | 2016-12-11 | A kind of production method of fused quartz ceramic arc-extinguish chamber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611134821.XA CN108610064A (en) | 2016-12-11 | 2016-12-11 | A kind of production method of fused quartz ceramic arc-extinguish chamber |
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| Publication Number | Publication Date |
|---|---|
| CN108610064A true CN108610064A (en) | 2018-10-02 |
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| CN201611134821.XA Pending CN108610064A (en) | 2016-12-11 | 2016-12-11 | A kind of production method of fused quartz ceramic arc-extinguish chamber |
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| CN (1) | CN108610064A (en) |
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2016
- 2016-12-11 CN CN201611134821.XA patent/CN108610064A/en active Pending
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