CN105525275B - Fluid bed furnace carbon carbon coating unit - Google Patents
Fluid bed furnace carbon carbon coating unit Download PDFInfo
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- CN105525275B CN105525275B CN201610024271.XA CN201610024271A CN105525275B CN 105525275 B CN105525275 B CN 105525275B CN 201610024271 A CN201610024271 A CN 201610024271A CN 105525275 B CN105525275 B CN 105525275B
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- carbon
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- bed furnace
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/442—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using fluidised bed process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/22—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of inorganic material, other than metallic material
- C23C16/26—Deposition of carbon only
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Combustion & Propulsion (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The invention discloses a kind of fluid bed furnace carbon carbon coating units, including：Fluid bed furnace, fluid bed furnace have air inlet, tail gas recycle mouth, bed particle adding mouth and bed particle recovery port；Heating device；It is arranged in fluid bed furnace and by the heat safe small bed for hitting particle and constituting；Gas mixing tank is stored in gas mixing tank to raw-gas and inert gas that high temperature pyrolysis is carbon.When raw-gas and inert gas are passed through in fluid bed furnace, expand rapidly through furnace high-temperature and blow afloat small shock particle under the action of stream pressure, constantly act on the surface of carbon carbon coated component；Raw-gas is dripped by high temperature pyrolysis in fluid bed furnace at charcoal, charcoal drop breaks into the small charcoal of dispersion through small shock particle and drips, small charcoal drop is then constantly deposited on piece surface, it can be deposited as pyrolytic carbon by the regular hour, more traditional static carbon carbon coating time greatly shortens, it improves work efficiency, and obtains the good dense carbon carbon coating of processing performance.
Description
Technical field
The present invention relates to carbon carbon coating unit field, more particularly to a kind of fluid bed furnace carbon carbon coating unit.
Background technology
At present when workpiece surface coats fine and close pyrolytic carbon, using the coating of static carbon carbon, (coating of carbon carbon is i.e. in graphite workpiece
Surface coats another layer of pyrolytic carbon) mode carries out pyrolytic carbon coating, need 7-15 in the carbon carbon coating after coating about 0.6mm
It time, efficiency are relatively low.
The current prior art quickly the coating of carbon carbon and carbon carbon can coat the good carbon carbon coating dress of effect there are no a kind of
It sets.
Invention content
It is an object of the invention to the above-mentioned insufficient and defects for the prior art, and providing one kind being capable of quickly carbon carbon coating
And the fluid bed furnace carbon carbon coating unit that carbon carbon coating effect is good, to solve the above problems.
Following technical scheme may be used to realize in technical problem solved by the invention：
Fluid bed furnace carbon carbon coating unit, which is characterized in that including：
Fluid bed furnace, the fluid bed furnace are returned with air inlet, tail gas recycle mouth, bed particle adding mouth and bed particle
It closes up；
To the heating device of fluid bed furnace heating；
It is arranged in the fluid bed furnace and by the heat safe small bed for hitting particle and constituting；
The gas mixing tank that gas outlet is connect with the air inlet of the fluid bed furnace is stored with use in the gas mixing tank
With the raw-gas and inert gas of high temperature pyrolysis carbon.
In a preferred embodiment of the invention, it is provided with electric thermo-couple temperature control device in the fluid bed furnace.
In a preferred embodiment of the invention, the gas mixing tank have the first air inlet, the second air inlet and
Third air inlet, first air inlet, the second air inlet and third air inlet respectively by pipeline and argon bottle, propane bottle and
Silane bottle connects.
In a preferred embodiment of the invention, the small shock particle is Zirconia particles.
In a preferred embodiment of the invention, the tail gas recycle mouth is connect with exhaust collection processing unit.
In a preferred embodiment of the invention, the exhaust collection processing unit includes：
Tail gas flow tank；
Water ring pump, one end of the water ring pump are connect with the tail gas recycle mouth, the other end and tail gas flow tank top
The spray head in portion connects；
The neutralizer adding set of neutralizer is added into the tail gas flow tank.
In a preferred embodiment of the invention, the temperature in the fluid bed furnace is heated to by the heating device
1350 DEG C or more.
It is high in stove when raw-gas and inert gas are passed through in fluid bed furnace as a result of technical solution as above
It is warm to expand rapidly and blow afloat small shock particle under the action of stream pressure, constantly act on the table of carbon carbon coated component
Face；Raw-gas is dripped by high temperature pyrolysis in fluid bed furnace at charcoal, and charcoal drop breaks into the small charcoal of dispersion through small shock particle and drips, small
Charcoal drop is then constantly deposited on piece surface, and pyrolytic carbon coat, more traditional static state can be deposited as by the regular hour
Carbon carbon coating time greatly shortens, and improves work efficiency, and obtains the good dense carbon carbon coating of processing performance.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structure connection diagram of an embodiment of the present invention.
Fig. 2 is the internal structure chart of the fluid bed furnace of an embodiment of the present invention.
Fig. 3 is the structural schematic diagram of the exhaust collection processing unit of an embodiment of the present invention.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, below into
One step illustrates the present invention.
Fluid bed furnace carbon carbon coating unit shown in referring to Fig. 1 and Fig. 2, including fluid bed furnace 100, fluid bed furnace 100
There is tail gas recycle mouth 120 and bed particle adding mouth 130, the bottom of fluid bed furnace 100 to have air inlet 110 and bed at top
Particle recovery port 140.Bed particle adding mouth 130 is connect with bed particle adding set 710, bed particle recovery port 140 with
Bed particle collection device 720 connects, and tail gas recycle mouth 120 is connect with exhaust collection processing unit 600, air inlet 110 and gas
The gas outlet 440 of body blending tank 400 is connected by pipeline 401.
In order to improve the recycle value of tail gas, in conjunction with shown in Fig. 3, the exhaust collection processing unit in the present embodiment
600 include tail gas flow tank 610, neutralizer adding set 620 and water ring pump 630, one end and the tail gas recycle mouth of water ring pump 630
120 connections, the other end are connect with the spray head 640 at 610 top of tail gas flow tank, and neutralizer adding set 620 is settled to tail gas
Neutralizer 621 is added in case 610 so that tail gas is fully reacted with neutralizer 621, is improved organic efficiency, is facilitated recycling.
Be provided in fluid bed furnace by it is heat safe it is small hit the bed 300 that constitutes of particle 310, in the present embodiment,
Preferred small shock particle 310 is Zirconia particles, and Zirconia particles have heat-resisting quantity, and thermal stability is good, right therewith
The bed particle adding set 710 and bed particle collection device 720 answered are respectively Zirconia particles adding set and zirconium oxide
Particle collection device.
It is stored in gas mixing tank 400 to raw-gas and inert gas that high temperature pyrolysis is carbon, in the present embodiment
Raw-gas is respectively propane and silane, and inert gas is argon gas.First air inlet 410 of gas mixing tank 400 passes through pipeline 531
It connect with argon bottle 510, monitors for convenience, flowmeter 531a is provided on pipeline 531；The second of gas mixing tank 400 into
Gas port 420 is connect by pipeline 521 with propane bottle 520, and pipeline 521 is provided with flowmeter 521a；The third of gas mixing tank 400
Air inlet is connect by pipeline 534 with silane bottle 530.In order to improve the safe transport ability of silane bottle 530, pipeline 531 is also logical
It crosses a lateral 532 with flowmeter 532a to connect with the entrance of a safety can 540, the outlet of safety can 540 passes through pipe
Road 533 is connect with silane bottle 530.
In the heating device 200 of 100 its promising heating of outside setting of fluid bed furnace, heating temperature and liter are controlled for convenience
The warm time, the heating device 200 in the present embodiment include be circumferentially positioned at 100 periphery of fluid bed furnace winding coil 220 and
The intermediate frequency cabinet 210 being connect with winding coil 220.In order to monitor the temperature conditions inside fluid bed furnace 100 in time, in fluid bed furnace
Electric thermo-couple temperature control device 800 is provided in 100.It is dripped to ensure that mixed gas can be pyrolyzed into charcoal, in the present embodiment
Temperature in fluid bed furnace 100 is heated to 1350 DEG C or more by heating device 200.
Working principle of the present invention is as follows：
The part 1 for needing carbon carbon to coat is placed in fluid bed furnace 100, when the mixed gas of propane, silane and argon gas
When being passed through in fluid bed furnace 100, expands rapidly through furnace high-temperature and blow small shock particle 310 under the action of stream pressure
It rises, constantly acts on the surface of the part 1 of carbon carbon coating；Propane, silane are dripped by high temperature pyrolysis in fluid bed furnace 100 at charcoal,
Charcoal drop breaks into the small charcoal of dispersion through small shock particle 310 and drips, and small charcoal drop is then constantly deposited on 1 table of part of carbon carbon coating
Face, by 3 hours or so time, you can be deposited as the pyrolytic carbon coat of thickness about 0.6mm, more traditional static carbon carbon applies
It covers and 7-15 days working hours is needed to substantially reduce the working time, the present invention only needs 3-6 hours, improves work efficiency,
And obtain the good dense carbon carbon coating of processing performance.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (2)
1. fluid bed furnace carbon carbon coating unit, which is characterized in that including：
Fluid bed furnace, the fluid bed furnace have air inlet, tail gas recycle mouth, bed particle adding mouth and the recycling of bed particle
Mouthful；
To the heating device of fluid bed furnace heating；
It is arranged in the fluid bed furnace and by the heat safe small bed for hitting particle and constituting；
The gas mixing tank that gas outlet is connect with the air inlet of the fluid bed furnace is stored with to height in the gas mixing tank
Warm solution is the raw-gas and inert gas of carbon；
Electric thermo-couple temperature control device is provided in the fluid bed furnace；
The gas mixing tank have the first air inlet, the second air inlet and third air inlet, first air inlet, second into
Gas port and third air inlet are connect by pipeline with argon bottle, propane bottle and silane bottle respectively；
The small shock particle is Zirconia particles；
The tail gas recycle mouth is connect with exhaust collection processing unit；
The exhaust collection processing unit includes：
Tail gas flow tank；
Water ring pump, one end of the water ring pump are connect with the tail gas recycle mouth, at the top of the other end and the tail gas flow tank
Spray head connects；
The neutralizer adding set of neutralizer is added into the tail gas flow tank.
2. fluid bed furnace carbon carbon coating unit as described in claim 1, which is characterized in that the heating device is by the fluidisation
Temperature in pool furnace is heated to 1350 DEG C or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610024271.XA CN105525275B (en) | 2016-01-15 | 2016-01-15 | Fluid bed furnace carbon carbon coating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610024271.XA CN105525275B (en) | 2016-01-15 | 2016-01-15 | Fluid bed furnace carbon carbon coating unit |
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| Publication Number | Publication Date |
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| CN105525275A CN105525275A (en) | 2016-04-27 |
| CN105525275B true CN105525275B (en) | 2018-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610024271.XA Active CN105525275B (en) | 2016-01-15 | 2016-01-15 | Fluid bed furnace carbon carbon coating unit |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110373652B (en) * | 2019-07-10 | 2021-05-07 | 中国科学院过程工程研究所 | System and method for preparing zirconium coating layer through chemical vapor deposition |
Citations (7)
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|---|---|---|---|---|
| CN1112790A (en) * | 1993-06-01 | 1995-11-29 | 高级陶瓷有限公司 | Fluidized bed reactor arrangement and method for forming a metal carbide coating on a substrate containing graphite or carbon |
| CN101634449A (en) * | 2009-09-01 | 2010-01-27 | 东南大学 | Method for reducing emission of carbon dioxide by circulating fluidized bed temperature flue gas circulation oxygen combustion |
| CN102425789A (en) * | 2011-11-03 | 2012-04-25 | 华北电力大学（保定） | Coal-fired fluidized bed micro oxygen rich combustion CO2 emission reduction method and system |
| CN202253609U (en) * | 2011-09-09 | 2012-05-30 | 北京君达能源投资有限公司 | Fuel gas combustion-supporting device of circulating fluidized bed and combustion control system of circulating fluidized bed |
| CN102533345A (en) * | 2011-12-14 | 2012-07-04 | 中国科学院山西煤炭化学研究所 | Method and device for coal gasification in combined type fluidized bed |
| CN102947647A (en) * | 2010-06-22 | 2013-02-27 | 株式会社神钢环境舒立净 | Fluidized bed furnace and waste processing method |
| CN205473972U (en) * | 2016-01-15 | 2016-08-17 | 上海弘枫实业有限公司 | Fluid bed furnace carbon coating device |
-
2016
- 2016-01-15 CN CN201610024271.XA patent/CN105525275B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112790A (en) * | 1993-06-01 | 1995-11-29 | 高级陶瓷有限公司 | Fluidized bed reactor arrangement and method for forming a metal carbide coating on a substrate containing graphite or carbon |
| CN101634449A (en) * | 2009-09-01 | 2010-01-27 | 东南大学 | Method for reducing emission of carbon dioxide by circulating fluidized bed temperature flue gas circulation oxygen combustion |
| CN102947647A (en) * | 2010-06-22 | 2013-02-27 | 株式会社神钢环境舒立净 | Fluidized bed furnace and waste processing method |
| CN202253609U (en) * | 2011-09-09 | 2012-05-30 | 北京君达能源投资有限公司 | Fuel gas combustion-supporting device of circulating fluidized bed and combustion control system of circulating fluidized bed |
| CN102425789A (en) * | 2011-11-03 | 2012-04-25 | 华北电力大学（保定） | Coal-fired fluidized bed micro oxygen rich combustion CO2 emission reduction method and system |
| CN102533345A (en) * | 2011-12-14 | 2012-07-04 | 中国科学院山西煤炭化学研究所 | Method and device for coal gasification in combined type fluidized bed |
| CN205473972U (en) * | 2016-01-15 | 2016-08-17 | 上海弘枫实业有限公司 | Fluid bed furnace carbon coating device |
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| CN105525275A (en) | 2016-04-27 |
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