CN108484195A - A kind of preparation method of pantograph carbon slide - Google Patents
A kind of preparation method of pantograph carbon slide Download PDFInfo
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- CN108484195A CN108484195A CN201810170552.5A CN201810170552A CN108484195A CN 108484195 A CN108484195 A CN 108484195A CN 201810170552 A CN201810170552 A CN 201810170552A CN 108484195 A CN108484195 A CN 108484195A
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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
- C04B35/71—Ceramic products containing macroscopic reinforcing agents
- C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
- C04B35/80—Fibres, filaments, whiskers, platelets, or the like
- C04B35/83—Carbon fibres in a carbon matrix
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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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/515—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
- C04B35/52—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
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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
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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
- C04B2235/40—Metallic constituents or additives not added as binding phase
- C04B2235/407—Copper
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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
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/422—Carbon
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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
- C04B2235/42—Non metallic elements added as constituents or additives, e.g. sulfur, phosphor, selenium or tellurium
- C04B2235/428—Silicon
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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
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
- C04B2235/5216—Inorganic
- C04B2235/524—Non-oxidic, e.g. borides, carbides, silicides or nitrides
- C04B2235/5248—Carbon, e.g. graphite
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Abstract
The invention discloses a kind of preparation methods of pantograph carbon slide, include the following steps：Powdery starting material is placed according to required ratio in blender and is stirred, makes various dry powder blends uniform.It is stood after various dry powder blends, waits for that its dust suspension makes a decision, the mid temperature pitch that fusing is added in various dry powder upon mixing continues to stir, and kneading material is made.It is sent into mold using the kneading material, then hot pressing during sending to mold, base at the beginning of carbon slipper is made in kneading material in mold.Base at the beginning of carbon slipper is sent into roaster, and opens warming-up device, carries out calcination process, sintering carbon slipper just base is made.Base at the beginning of sintered carbon slipper is impregnated successively, is dried to get to finished product carbon slipper.Method of the invention, it is possible to increase scavenging effect to a certain extent, while reducing processing cost.
Description
Technical field
The present invention relates to railway transportation technology field, the preparation method of specifically a kind of pantograph carbon slide.
Background technology
With the development of China's high ferro cause, the research and development of pantograph carbon slide improve also become emphasis research and development object it
One.Pantograph pan is the most important collecting element in locomotive power supply system, it is mounted in pantograph, is directly led with contact net
Line contacts, and belongs to sliding contact contact material scope.By the contact of pantograph pan and transmission of electricity cable, by the electricity on power transmission network
Stream guides, and locomotive power supply system is transferred to, to maintain electric locomotive normal operation.Pantograph pan mainly has three categories：
Powder shaped charge liner, carbon slipper, metal-impregnated carbon slide.Industrially developed country successively has developed carbon slipper, instead of powder smelting
Golden slide plate effectively reduces the abrasion to contact line conducting wire, extends the service life of conducting wire.Metal-impregnated carbon slide is carbon slipper
It is soaked made of copper alloy under hot isostatic pressing, has good electric conductivity and toughness, and intensity is high, hardness is high, but
It is higher than carbon slipper to contact net lead abrasion.Carbon slipper is still the widely used preferred material of domestic and international railway department, carbon at present
It is basic material that slide plate, which is with carbon-graphite, has good conductive, heat conduction and wear-resistant and self-lubrication, and have and inhibit well
Spark acts on and indeformable, small to the contact net lead abrasion feature of high temperature.The carbon slipper that the country is processed at present uses the longevity
Life can achieve world-class level, but it is currently used process raw material, mainly graphite, pitch coke powder, coke blacking etc. are adding
It will produce a large amount of pollution dust in work manufacturing process, in the case where ensureing product quality, it is mesh to improve pollution processing capacity
Preceding urgent problem to be solved, while current processing method cost is still higher, has much room for improvement.
Invention content
In view of the above-mentioned problems, the present invention provides a kind of preparation method of pantograph carbon slide, can increase to a certain extent
Add scavenging effect, while reducing processing cost.
The technical scheme is that：
A kind of preparation method of pantograph carbon slide, includes the following steps：
S1, by the petroleum coke powder of powdery starting material, pitch coke powder, sulphur, coke blacking, carbon fiber, silica flour, copper powder according to required
Ratio is placed in blender and is stirred, and makes various dry powder blends uniform, and in mixed process, blender is in sealed shape
State,
S2,30min is stood after various dry powder blends, waits for that its dust suspension makes a decision, be added in various dry powder upon mixing molten
The mid temperature pitch of change continues to stir, and kneading material is made；
S3, it is sent into mold using the kneading material, then hot pressing during sending to mold, using totally enclosed transmission
Band, and it is equipped with multiple air extractors on a moving belt, and it is equipped with VOC air filters on the outside, it will in mold after feeding
Carbon slipper just base is made in kneading material；
S4, base at the beginning of carbon slipper is sent into roaster, wind pushing mechanism is equipped on roaster, carbon slipper is assisted using slow natural wind
First base is cooled to 25 DEG C, is then shut off wind pushing mechanism, and open warming-up device, carries out calcination process, at the beginning of sintering carbon slipper is made
Base；
S5, base at the beginning of sintered carbon slipper is impregnated successively, is dried to get to finished product carbon slipper.
Further, the powdery starting material is according to weight：Petroleum coke powder, pitch coke powder, sulphur, coke
Powder, carbon fiber, silica flour, copper powder
35-40 parts of petroleum coke powders, 30 parts of pitch coke powders, 1-1.5 parts of sulphur, 2.5 parts of coke blackings, 10 parts of carbon fibers, 3-6 parts of silicon
Powder, 1.8-2.4 part copper powder, 32-38 parts of mid temperature pitches.
Further, in step S1, be added copper powder and the step of silica flour be early period it is agitated proceed to half when
It waits and carries out.
Further, in step S3, hot pressing temperature is 380 DEG C, pressure 25MPa, pressurize 20min.
Further, in step S4, in sintering furnace sintering procedure, since temperature is higher, the polluted gas generated is such as
Fruit is sent directly into emission-control equipment, can generate damage to device, need that one section of spiral cooling gas section is arranged in gas outlet,
It allows exhaust gas that can obtain certain cooling, then send into exhaust processor.
Further, in step S5, the step of being impregnated, is：In vacuum distillation kettle, it is heated to 140-160 DEG C, is protected
Temperature 15min is held, 0.1MPa is vacuumized, then pressurize 1h, then restores pressure, finished product dry using 40 DEG C of hot blast dryings
Carbon slipper.
The softening point temperature of dipping is 100-105 DEG C.
Further, after maceration extract is impregnated at every 10 times, primary close net filtration need to be carried out, mesh is 40 mesh, filters solid phase
Substance is recycled.
The beneficial effects of the invention are as follows：
1, each procedure of processing of the invention is all for conveying and process under sealing state, and whole process will not allow dust and useless
Gas leaks, and the exhaust-gas treatment during passing through, and can effectively improve prevention and cure of pollution effect.
2, by adjusting recipe ratio, cancel the heavily contaminateds raw material such as boron nitride employed in current preparation process, and lead to
The requirement of electric conductivity and structural strength can also be reached by crossing the cooperation of other materials, while can be in fact to the recycling of part raw material profit
With being also adjusted on the basis of existing to temperature and pressure, in the case where not influencing product effect, reduce its energy consumption, reach
To cost-effective requirement.
Specific implementation mode
With reference to embodiment, the present invention is further described.
A kind of preparation method of pantograph carbon slide, includes the following steps：
S1, by the petroleum coke powder of powdery starting material, pitch coke powder, sulphur, coke blacking, carbon fiber, be placed according to required ratio
It is stirred in blender, makes various dry powder blends uniform, when being stirred to half, silica flour and copper powder is added, mixed
During conjunction, blender is in air-tight state, and the powdery starting material is according to weight：35-40 parts of petroleum coke powders,
30 parts of pitch coke powders, 1-1.5 parts of sulphur, 2.5 parts of coke blackings, 10 parts of carbon fibers, 3-6 parts of silica flours, 1.8-2.4 parts of copper powders, 32-38
Part mid temperature pitch, powder used are 60 mesh, and silica flour grain size is 800 mesh；Be added copper powder and the step of silica flour be early period
Stirring carries out when proceeding to half；
S2,30min is stood after various dry powder blends, waits for that its dust suspension makes a decision, be added in various dry powder upon mixing molten
The mid temperature pitch of change continues to stir, and kneading material is made；
S3, it is sent into mold using the kneading material, then hot pressing during sending to mold, hot pressing temperature is 380 DEG C, pressure
For 25MPa, pressurize 20min, using totally enclosed conveyer belt, and it is equipped with multiple air extractors on a moving belt, and at it
Outside is equipped with VOC air filters, base at the beginning of carbon slipper is made in kneading material in mold after feeding；
S4, base at the beginning of carbon slipper is sent into roaster, wind pushing mechanism is equipped on roaster, carbon slipper is assisted using slow natural wind
First base is cooled to 25 DEG C, is then shut off wind pushing mechanism, and open warming-up device, carries out calcination process, at the beginning of sintering carbon slipper is made
Base；In sintering furnace sintering procedure, since temperature is higher, if the polluted gas generated is sent directly into emission-control equipment
In, damage can be generated to device, need that one section of spiral cooling gas section is arranged in gas outlet, exhaust gas can be obtained certain cold
But, it then send into exhaust processor；
S5, base at the beginning of sintered carbon slipper is impregnated successively, is dried to get to finished product carbon slipper, being impregnated
Step is：In vacuum distillation kettle, it is heated to 140-160 DEG C, temperature 15min is kept, vacuumizes 0.1MPa, then pressurize 1h,
Then restore pressure, finished product carbon slipper dry using 40 DEG C of hot blast dryings.
After maceration extract is impregnated at every 10 times, primary close net filtration need to be carried out, mesh is 40 mesh, and filtering solid matter is returned
It receives and utilizes, in the product recycled, if there is the substance that grain size is larger, carry out second-time breakage, make it at powdered structure.
Using finished product carbon slipper produced by the present invention, resistivity is 38-39 μ Ω .m, density 1.75g/cm3, bending resistance
Intensity is 30-35MPa, compression strength 48-55MPa, hardness 57.5HRC, and the degree of wear is every ten thousand kilometers of 3.8mm.With it is existing
Other carbon slippers having are compared, and performance disclosure satisfy that demand.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solution of the present invention, according to the technical essence of the invention
To any simple modification, equivalent change and modification made by above example, in the range of still falling within technical solution of the present invention.
Claims (7)
1. a kind of preparation method of pantograph carbon slide, which is characterized in that include the following steps：
S1, by the petroleum coke powder of powdery starting material, pitch coke powder, sulphur, coke blacking, carbon fiber, silica flour, copper powder according to required
Ratio is placed in blender and is stirred, and makes various dry powder blends uniform, and in mixed process, blender is in sealed shape
State,
S2,30min is stood after various dry powder blends, waits for that its dust suspension makes a decision, be added in various dry powder upon mixing molten
The mid temperature pitch of change continues to stir, and kneading material is made；
S3, it is sent into mold using the kneading material, then hot pressing during sending to mold, using totally enclosed transmission
Band, and it is equipped with multiple air extractors on a moving belt, and it is equipped with VOC air filters on the outside, it will in mold after feeding
Carbon slipper just base is made in kneading material；
S4, base at the beginning of carbon slipper is sent into roaster, wind pushing mechanism is equipped on roaster, carbon slipper is assisted using slow natural wind
First base is cooled to 25 DEG C, is then shut off wind pushing mechanism, and open warming-up device, carries out calcination process, at the beginning of sintering carbon slipper is made
Base；
S5, base at the beginning of sintered carbon slipper is impregnated successively, is dried to get to finished product carbon slipper.
2. a kind of preparation method of pantograph carbon slide according to claim 1, which is characterized in that the powdered former material
Material according to weight is：
35-40 parts of petroleum coke powders, 30 parts of pitch coke powders, 1-1.5 parts of sulphur, 2.5 parts of coke blackings, 10 parts of carbon fibers, 3-6 parts of silicon
Powder, 1.8-2.4 part copper powder, 32-38 parts of mid temperature pitches.
3. a kind of preparation method of pantograph carbon slide according to claim 2, which is characterized in that in step S1, be added
The step of copper powder and silica flour be early period it is agitated proceed to half when carry out.
4. a kind of preparation method of pantograph carbon slide according to claim 1, which is characterized in that in step S3, hot pressing
Temperature is 380 DEG C, pressure 25MPa, pressurize 20min.
5. a kind of preparation method of pantograph carbon slide according to claim 1, which is characterized in that in step S4, burning
It,, can be to dress if the polluted gas generated is sent directly into emission-control equipment since temperature is higher in freezing of a furnace sintering procedure
Generation damage is set, needs that one section of spiral cooling gas section is arranged in gas outlet, allows exhaust gas that can obtain certain cooling, then is sent to useless
In treatment apparatus.
6. a kind of preparation method of pantograph carbon slide according to claim 1, which is characterized in that in step S5, carry out
The step of dipping is：In vacuum distillation kettle, it is heated to 140-160 DEG C, temperature 15min is kept, vacuumizes 0.1MPa, then protect
1h is pressed, pressure is then restored, the softening point temperature of, finished product carbon slipper dry using 40 DEG C of hot blast dryings, dipping is 100-105
℃。
7. a kind of preparation method of pantograph carbon slide according to claim 6, which is characterized in that maceration extract is at every 10 times
After dipping, primary close net filtration need to be carried out, mesh is 40 mesh, and filtering solid matter is recycled.
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| CN201810170552.5A CN108484195B (en) | 2018-03-01 | 2018-03-01 | Preparation method of pantograph carbon slide plate |
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| CN201810170552.5A CN108484195B (en) | 2018-03-01 | 2018-03-01 | Preparation method of pantograph carbon slide plate |
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| CN108484195B CN108484195B (en) | 2020-06-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185292A (en) * | 2021-04-27 | 2021-07-30 | 宜宾学院 | Production method of extrusion-molded copper graphite material |
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| JP2001010862A (en) * | 1999-05-24 | 2001-01-16 | Mrcc Inc | Vitreous carbon composite, its process and usage thereof |
| EP1041056B1 (en) * | 1999-03-30 | 2005-02-23 | Railway Technical Research Institute | Titanium- and copper-containing carbon composite material and process for the production thereof |
| JP2008144189A (en) * | 2006-12-06 | 2008-06-26 | Railway Technical Res Inst | Carbon-based contacting plate |
| JP5456995B2 (en) * | 2008-07-11 | 2014-04-02 | 公益財団法人鉄道総合技術研究所 | Pantograph current collecting material |
| CN106146019A (en) * | 2015-04-21 | 2016-11-23 | 苏州东南电碳科技有限公司 | A kind of preparation method of fibre reinforced pantograph carbon slide carbon bar |
| CN107021772A (en) * | 2017-04-17 | 2017-08-08 | 武汉理工大学 | A kind of preparation method of fibre reinforced pantograph carbon slide |
-
2018
- 2018-03-01 CN CN201810170552.5A patent/CN108484195B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1041056B1 (en) * | 1999-03-30 | 2005-02-23 | Railway Technical Research Institute | Titanium- and copper-containing carbon composite material and process for the production thereof |
| JP2001010862A (en) * | 1999-05-24 | 2001-01-16 | Mrcc Inc | Vitreous carbon composite, its process and usage thereof |
| JP2008144189A (en) * | 2006-12-06 | 2008-06-26 | Railway Technical Res Inst | Carbon-based contacting plate |
| JP5456995B2 (en) * | 2008-07-11 | 2014-04-02 | 公益財団法人鉄道総合技術研究所 | Pantograph current collecting material |
| CN106146019A (en) * | 2015-04-21 | 2016-11-23 | 苏州东南电碳科技有限公司 | A kind of preparation method of fibre reinforced pantograph carbon slide carbon bar |
| CN107021772A (en) * | 2017-04-17 | 2017-08-08 | 武汉理工大学 | A kind of preparation method of fibre reinforced pantograph carbon slide |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113185292A (en) * | 2021-04-27 | 2021-07-30 | 宜宾学院 | Production method of extrusion-molded copper graphite material |
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