CN105858664B - The method and acheson furnace of carborundum quality can be improved - Google Patents
The method and acheson furnace of carborundum quality can be improved Download PDFInfo
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- CN105858664B CN105858664B CN201610432655.5A CN201610432655A CN105858664B CN 105858664 B CN105858664 B CN 105858664B CN 201610432655 A CN201610432655 A CN 201610432655A CN 105858664 B CN105858664 B CN 105858664B
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- acheson
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- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000012774 insulation material Substances 0.000 claims abstract description 34
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000006004 Quartz sand Substances 0.000 claims abstract description 15
- 239000000571 coke Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910052681 coesite Inorganic materials 0.000 claims description 4
- 239000000470 constituent Substances 0.000 claims description 4
- 229910052906 cristobalite Inorganic materials 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 229910052682 stishovite Inorganic materials 0.000 claims description 4
- 229910052905 tridymite Inorganic materials 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000035508 accumulation Effects 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 10
- 239000000047 product Substances 0.000 description 7
- 238000005265 energy consumption Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005087 graphitization Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000010894 Artemisia argyi Nutrition 0.000 description 1
- 244000030166 artemisia Species 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Landscapes
- Ceramic Products (AREA)
- Carbon And Carbon Compounds (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
The present invention discloses a kind of method and acheson furnace for improving carborundum quality, by the way that original individual layer furnace core board is changed into the double-deck furnace core board that interlamellar spacing is 450mmm, from metallurgical coke and quartz sand according to volume ratio 7：3 are uniformly mixed into the first new insulation material in combustion chamber sheet separation, remaining available general existing second insulation material is located between outer layer furnace core board and furnace wall, the use cost of the first new insulation material so can be effectively reduced, prevents a large amount of existing insulation material accumulations and causes environment to influence.And carborundum caused by acheson furnace is concentrated mainly at the insulation material close to product, about 450mm is thick, and the yield of high-quality carborundum is added using the first new insulation material, while effectively save cost.
Description
Technical field
The present invention relates to carbon product graphitization technical field, particularly relate to a kind of method for improving carborundum quality and
Acheson furnace, maximum increasing of quality and production carborundum.
Background technology
Graphitizing furnace is one of the crucial kiln for producing graphite product, but high energy consumption, at present domestic graphitizing furnace energy-conservation
Effective way is to use new inner bunch graphitization technique, and how the energy consumption of those direct current acheson furnaces should be dropped
It is low, it is major issue of the pendulum in face of charcoal ink factory, in addition to matching etc. except charging technique, power supply and kiln requires rationally, profit
Caught with graphitizing furnace and help raw material waste heat to produce byproduct carborundum, increase the output value, and graphitizing furnace reduces the energy consumption per unit of output value
A big measure.
Therefore, it is necessary to design a kind of method and acheson furnace for improving carborundum quality, asked with solving above-mentioned technology
Topic.
The content of the invention
For problem present in background technology, it is an object of the present invention to provide a kind of method for improving carborundum quality and
Acheson furnace, increase high-quality carborundum yield to greatest extent.
What the technical scheme of the present invention was realized in：A kind of method for improving carborundum quality, including installation are taken
Build the body of heater of acheson furnace, the body of heater by vertical furnace wall and the furnace bottom walled below furnace wall into；In the body of heater
The double-deck furnace core board that gap is 450mm is set, and the double-deck furnace core board, which encloses, is set as graphitized area, and product and resistance material are located at institute
State in graphitized area, the first insulation material is filled in the gap of the double-deck furnace core board, first insulation material is metallurgical coke
Powder is with quartz sand according to volume ratio 7：3 mixtures being uniformly mixed into；Is filled between the furnace wall and the furnace core board of outer layer
Two insulation materials；Treat that the second insulation material filling of furnace wall finishes, the double-deck furnace core board can slowly be proposed.
What another technical scheme of the present invention was realized in：A kind of acheson furnace for improving carborundum quality, including
Body of heater, the body of heater are provided with vertical furnace wall and the furnace bottom wall below furnace wall, and it is 450mm's that gap is provided with the body of heater
Double-deck furnace core board, the double-deck furnace core board, which encloses, is set as graphitized area, and product and resistance material are located in the graphitized area, institute
To state and the first insulation material is provided with the gap of double-deck furnace core board, first insulation material is the mixture of metallurgical coke and quartz sand,
And the metallurgical coke and quartz sand are according to volume ratio 7：3 uniformly mixing, the is provided between the furnace core board of the furnace wall and outer layer
Two insulation materials.
In the above-mentioned technical solutions, the index of the metallurgical coke is：Granularity is 0.5-10mm；Ash is≤16%；Water
Part is≤15%；Fugitive constituent is≤25%；Fixed carbon >=80%；The index of quartz sand is：Granularity ＞ 6mm content≤5%；Grain
Spend the content ＞ 95% for 0-6mm；SiO2Content ＞ 95%.
In the above-mentioned technical solutions, the top of the body of heater is provided with gas skirt.
In the above-mentioned technical solutions, the top of the gas skirt is provided with blast pipe, and the blast pipe lower section is provided with and gas collection
The discharge that cover inner surface is connected.
In the above-mentioned technical solutions, the blast pipe is two, is symmetricly set on the both sides of gas skirt center line.
In the above-mentioned technical solutions, the furnace wall includes plate body, and bar construction is set inside plate body.
In the above-mentioned technical solutions, it is provided with passage on the plate body.
In the above-mentioned technical solutions, the passage is 45 degree of upward inclined holes.
In the above-mentioned technical solutions, the bar construction is double web frames, is interconnected between double nets.
The present invention can improve the method and acheson furnace of carborundum quality, by the way that original individual layer furnace core board is changed into interlamellar spacing
For 450mmm double-deck furnace core board, from metallurgical coke and quartz sand according to volume ratio 7：3 are uniformly mixed into the first new insulation
Material is in combustion chamber sheet separation, and remaining available general existing second insulation material is located between outer layer furnace core board and furnace wall, so
The use cost of the first new insulation material can be effectively reduced, prevents a large amount of existing insulation material accumulations and causes environment to influence.And Ai Qi
Carborundum caused by inferior graphitizing furnace is concentrated mainly at the insulation material of product, and about 450mm is thick, is protected using new first
Temperature material, the yield of high-quality carborundum is added while effectively save cost.
Brief description of the drawings
Fig. 1 is the acheson furnace structural representation being related in the present invention；
Fig. 2 is furnace wall structure schematic diagram in Fig. 1；
Fig. 3 is Fig. 2 schematic side views.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, belongs to the scope of protection of the invention.
As shown in Figure 1 to Figure 3, the Chinese mugwort that a kind of method for improving carborundum quality and this method of the present invention are related to
The body of heater 1 of acheson furnace is built in strange inferior stove, including installation, and the body of heater 1 is provided with vertical furnace wall 11 and positioned at the lower section of furnace wall 11
Furnace bottom wall 12.
The top of the body of heater 1 is provided with gas skirt 2, and the top of the gas skirt 2 is provided with blast pipe 21, in this example,
Preferably, the blast pipe 21 is two, and is symmetricly set on the both sides of the center line of gas skirt 2.The lower section of the blast pipe 21
Provided with the discharge 22 being connected with the inner surface of gas skirt 2, the collection of waste gas when improving burning, avoid polluting environment.
The furnace wall 11 includes plate body 110, and the inside of plate body 110 sets bar construction 111, is provided with the plate body 110 logical
Stomata 112, in the present embodiment, the passage 112 are 45 degree of upward inclined holes, and the gas of inside can be made to be easy to arrange
Go out, outside gas hardly enters.The bar construction 111 is double web frames, is interconnected between double nets, can increase furnace wall
11 intensity.
Provided with the double-deck furnace core board 3 that gap is 450mm in the body of heater 1, the double-deck furnace core board 3, which encloses, is set as graphitization area
Domain 4, product and resistance material 5 are located in the graphitized area 4, and first is provided between the furnace core board 3 of the furnace wall 11 and outer layer
Insulation material 6, first insulation material 6 are the mixture of metallurgical coke and quartz sand, and the metallurgical coke and quartz sand according to
Volume ratio 7：3 uniformly mix, and are filled in the gap of the double-deck furnace core board 3 and are provided with the second insulation material 7, treat that the second of furnace wall 11 protects
The filling of temperature material 7 finishes, and can slowly propose the double-deck plate of combustion chamber 3.
Wherein, the index of metallurgical coke is in first insulation material 6：Granularity is 0.5-10mm；Ash is≤16%；Water
Part is≤15%；Fugitive constituent is≤25%；Fixed carbon >=80%；The index of quartz sand is：Granularity ＞ 6mm content≤5%；Grain
Spend the content ＞ 95% for 0-6mm；SiO2Content ＞ 95%.
The present invention can improve the method and acheson furnace of carborundum quality, by the way that original individual layer furnace core board is changed into interlamellar spacing
For 450mmm double-deck furnace core board 3, from metallurgical coke and quartz sand according to volume ratio 7：3 are uniformly mixed into the first new insulation
Material 7 is in the double-deck gap of furnace core board 3, and remaining available general existing second insulation material 7 is located at outer layer furnace core board 3 and furnace wall 11
Between, the new use cost of the first insulation material 6 so can be effectively reduced, prevents a large amount of existing insulation material accumulations and causes environment shadow
Ring.And carborundum caused by acheson furnace is concentrated mainly at the insulation material of product, about 450mm is thick, uses
The first new insulation material 6, the yield of high-quality carborundum is added while effectively save cost.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (9)
- A kind of 1. method for improving carborundum quality, it is characterised in that：IncludingThe body of heater of acheson furnace is built in installation, the body of heater by vertical furnace wall and the furnace bottom walled below furnace wall into；The double-deck furnace core board that gap is 450mm is set in the body of heater, and the double-deck furnace core board, which encloses, is set as graphitized area, production Product and resistance material are located in the graphitized area,The first insulation material is filled in the gap of the double-deck furnace core board, first insulation material is that metallurgical coke is pressed with quartz sand According to volume ratio 7：3 mixtures being uniformly mixed into；General existing second insulation material is filled between the furnace wall and the furnace core board of outer layer；Treat that the second insulation material filling of furnace wall finishes, the double-deck furnace core board is slowly proposed；The index of the metallurgical coke is：Granularity is 0.5-10mm；Ash is≤16%；Moisture content is≤15%；Fugitive constituent for≤ 25%；Fixed carbon >=80%；The index of quartz sand is：Granularity ＞ 6mm content≤5%；Granularity is 0-6mm content ＞ 95%；SiO2Content ＞ 95%.
- A kind of 2. acheson furnace for improving carborundum quality, it is characterised in that：Including body of heater, the body of heater is provided with vertical stove Wall and the furnace bottom wall below furnace wall, the body of heater are interior provided with the double-deck furnace core board that gap is 450mm, the double-deck furnace core board Enclose and be set as graphitized area, product and resistance material are located in the graphitized area, are provided with the gap of the double-deck furnace core board First insulation material, first insulation material is the mixture of metallurgical coke and quartz sand, and the metallurgical coke is pressed with quartz sand According to volume ratio 7：3 uniformly mix, and the index of the metallurgical coke is：Granularity is 0.5-10mm；Ash is≤16%；Moisture content for≤ 15%；Fugitive constituent is≤25%；Fixed carbon >=80%；The index of quartz sand is：Granularity ＞ 6mm content≤5%；Granularity is 0- 6mm content ＞ 95%；SiO2Content ＞ 95%；General existing second is provided between the furnace core board of the furnace wall and outer layer to protect Temperature material.
- 3. the acheson furnace according to claim 2 for improving carborundum quality, it is characterised in that：The top of the body of heater Provided with gas skirt.
- 4. the acheson furnace according to claim 3 for improving carborundum quality, it is characterised in that：The gas skirt it is upper Side is provided with blast pipe, and the discharge being connected with gas collection cover inner surface is provided with below the blast pipe.
- 5. the acheson furnace according to claim 4 for improving carborundum quality, it is characterised in that：The blast pipe is two It is individual, it is symmetricly set on the both sides of gas skirt center line.
- 6. the acheson furnace according to claim 2 for improving carborundum quality, it is characterised in that：The furnace wall includes plate Body, plate body inside set bar construction.
- 7. the acheson furnace according to claim 6 for improving carborundum quality, it is characterised in that：It is provided with the plate body Passage.
- 8. the acheson furnace according to claim 7 for improving carborundum quality, it is characterised in that：The passage is 45 Spend upward inclined hole.
- 9. the acheson furnace according to claim 6 for improving carborundum quality, it is characterised in that：The bar construction is Double web frames, interconnect between double nets.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610432655.5A CN105858664B (en) | 2016-06-17 | 2016-06-17 | The method and acheson furnace of carborundum quality can be improved |
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| CN201610432655.5A CN105858664B (en) | 2016-06-17 | 2016-06-17 | The method and acheson furnace of carborundum quality can be improved |
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| CN105858664B true CN105858664B (en) | 2017-11-28 |
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| CN106784767A (en) * | 2016-12-30 | 2017-05-31 | 神华集团有限责任公司 | A kind of method that same stove prepares cathode of lithium battery graphite and carborundum |
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| CN1059960C (en) * | 1995-09-22 | 2000-12-27 | 田本良 | Combined graphatizing furnace and method for increasing utilization ratio of power-supply unit for graphatizing |
| CN1053428C (en) * | 1996-12-24 | 2000-06-14 | 苏占忠 | Method for producing silicon carbide by using electric resistance furnace |
| KR101940351B1 (en) * | 2011-08-24 | 2019-01-18 | 다이헤이요 세멘토 가부시키가이샤 | Silicon carbride powder and method for producing same |
| JP6230106B2 (en) * | 2013-07-31 | 2017-11-15 | 太平洋セメント株式会社 | Method for producing silicon carbide single crystal |
| CN105036125B (en) * | 2015-09-08 | 2017-08-29 | 耿巨泉 | Lithium cell cathode material graphitizing furnace and graphitization technique |
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Effective date of registration: 20180604 Address after: 013350 fluorine chemical industrial park, Fengzhen City, Wulanchabu, the Inner Mongolia Autonomous Region Patentee after: FENGZHEN HONGSHENG CARBON Co.,Ltd. Address before: 037002 Garden Village, Xinrong District, Datong, Shanxi Patentee before: DATONG XINCHENG NEW MATERIAL Co.,Ltd. |
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Denomination of invention: Methods for improving the quality of silicon carbide and Acheson furnace Effective date of registration: 20230315 Granted publication date: 20171128 Pledgee: Bank of China Limited Fengzhen Sub-branch Pledgor: FENGZHEN HONGSHENG CARBON Co.,Ltd. Registration number: Y2023150000040 |
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Granted publication date: 20171128 Pledgee: Bank of China Limited Fengzhen Sub-branch Pledgor: FENGZHEN HONGSHENG CARBON Co.,Ltd. Registration number: Y2023150000040 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Methods for improving the quality of silicon carbide and Acheson furnace Granted publication date: 20171128 Pledgee: Bank of China Limited Ulanqab branch Pledgor: FENGZHEN HONGSHENG CARBON Co.,Ltd. Registration number: Y2024150000034 |
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