CN208320756U - A kind of high-temperature fluidized bed device - Google Patents
A kind of high-temperature fluidized bed device Download PDFInfo
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- CN208320756U CN208320756U CN201721719934.6U CN201721719934U CN208320756U CN 208320756 U CN208320756 U CN 208320756U CN 201721719934 U CN201721719934 U CN 201721719934U CN 208320756 U CN208320756 U CN 208320756U
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- boiler tube
- gas
- high temperature
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- fluidized bed
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 50
- 239000000463 material Substances 0.000 claims abstract description 44
- 239000000843 powder Substances 0.000 claims abstract description 31
- 238000007599 discharging Methods 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 239000007789 gas Substances 0.000 claims description 48
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 19
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- 239000012495 reaction gas Substances 0.000 claims description 13
- 229910002804 graphite Inorganic materials 0.000 claims description 10
- 239000010439 graphite Substances 0.000 claims description 10
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 239000011733 molybdenum Substances 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000000498 cooling water Substances 0.000 claims description 7
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052721 tungsten Inorganic materials 0.000 claims description 6
- 239000010937 tungsten Substances 0.000 claims description 6
- 229910052582 BN Inorganic materials 0.000 claims description 4
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 4
- 239000012159 carrier gas Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 4
- 239000003870 refractory metal Substances 0.000 claims description 2
- 239000011214 refractory ceramic Substances 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005243 fluidization Methods 0.000 abstract description 7
- 229910021389 graphene Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
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- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The utility model discloses a kind of high-temperature fluidized bed devices, belong to powder body material production technical field.The device includes high-temperature heating furnace body, feeding warehouse, top seal flange, high temperature resistant boiler tube, air damper, gas distributor, lower seal flange and discharging bin；The inner cavity of the high temperature resistant boiler tube is connected by top seal flange with the top of the high temperature resistant boiler tube as fluidized-bed reaction chamber, feeding warehouse；The bottom end of the high temperature resistant boiler tube passes through discharging bin described in lower seal flanged joint；Setting air damper and gas distributor in the high temperature resistant boiler tube；The device can realize the fluidisation to powder body material under high temperature environment, avoid conventional equipment during the reaction as atmospheric condition it is uneven caused by powder layering, it is hardened the problems such as.Simultaneously as devising controllable feeding warehouse and discharging bin, it can be achieved that continuously handling material and material rapid cooling, substantially increases production efficiency, reduce production cost.
Description
Technical field
The utility model relates to powder body material production technical fields, and in particular to a kind of (1300-2000 DEG C) of high temperature fluidisation
Bed reaction device.
Background technique
Powder body material is widely used in the every field of production and living, is a kind of very important material type.But it is right
In the powder body material prepared under gaseous environment, if using conventional static gas-phase deposition, due to growth atmosphere unevenness
Will cause powder body material layering, it is hardened the problems such as.
It can be to avoid the above problem using fluidized bed plant.Fluidized bed plant, which refers to, is suspended in movement for a large amount of solid particles
Fluid among, thus make particle have fluid certain appearance features reaction unit.It is this to flow solid contact condition referred to as admittedly
Body fluidization, i.e. fluidized bed.It drives powder body material to circulate using high-speed flow, therefore can guarantee that powder body material has relatively often
Advise the more uniform atmosphere of reaction unit.In general, the reaction temperature of fluidized bed is at 1000 DEG C or less.But in some applications
Occasion (prepares high-quality graphene on such as metal deposit, such as non metallic substrate), and reaction temperature is needed to reach 1300 DEG C -2000
DEG C, but due to device material and design problem, general fluidized bed plant is difficult to realize.
Therefore, a kind of fluidized bed reaction that can be applied under high-temperature atmosphere environment is researched and developed, for some high quality
The preparation of powder body material is of great significance.
Utility model content
For the problem that Conventional fluidization bed apparatus reaction temperature is relatively low, the purpose of this utility model is that a kind of high temperature fluidized
Bed reaction device, the device, can (1300- under high temperature environment by the ingehious design to structure and the improvement to material etc.
2000 DEG C) it realizes to powder body material fluidisation, meanwhile, because devising controllable feeding warehouse and discharging bin, it can be achieved that continuously loading and unloading object
Material and material are quickly cooled down, and improve power production efficiency.
To achieve the above object, technical solution used by the utility model is as follows:
A kind of high-temperature fluidized bed device, including high-temperature heating furnace body, feeding warehouse, top seal flange, high temperature resistant furnace
Pipe, air damper, gas distributor, lower seal flange and discharging bin；Wherein: the inner cavity of the high temperature resistant boiler tube is as stream
Change bed reaction chamber, and passes through the heating stove heating；The feeding warehouse passes through top seal flange and the high temperature resistant boiler tube
Top is connected, and powder material is entered in high temperature resistant boiler tube by feeding warehouse；The bottom end of the high temperature resistant boiler tube is close by lower part
Seal discharging bin described in flanged joint；Air damper is set in the high temperature resistant boiler tube, and the air damper is in cylindric
Hollow structure, it is interior to be equipped with gas distributor；The lower part of the air damper is connected with the discharging bin.
The top seal flange is equipped with reducer, and the internal diameter of the reducer is the 1.5 of the high temperature resistant boiler tube internal diameter
Times or more, to prevent powder body material from bringing exhaust pipe by high flow rate carrier gas during the reaction；The top seal flange exists
The side surface upper part of reducer is provided with exhaust pipe.
Several air inlets are opened up on the side surface of the lower seal flange, the end of admission line is divided into several branched pipes
Road, each branch line of admission line are connected via each air inlet with the air damper respectively；Reaction gas via into
Feed channel enters the lower part of air damper, and after flowing upwards through gas distributor, the gas after reaction is arranged by exhaust pipe
Out.
The outer diameter of the air damper is accurately matched and (is fitted closely) with the internal diameter of the high temperature resistant boiler tube, and air-flow is adjusted
The inner cavity of device is divided into three sections from the bottom to top, is followed successively by thin diameter section, taper reducer and wide section；The taper of the air damper
Gas distributor is arranged in reducer；Multiple symmetrical air inlets are opened up on the corresponding side wall of the thin diameter section of the air damper,
It is connected for each branch line with admission line, the design that air inlet is symmetric, for guaranteeing gas in reaction chamber
Stream is symmetrically and evenly.
The material of the air damper is graphite, boron nitride, ceramics or refractory metal material.
The gas distributor includes the gas-permeable nets being laid on circular ring shape skeleton and skeleton.The circle of the gas distributor
The material of ring skeleton is graphite, tungsten or molybdenum；Gas-permeable nets on gas distributor are graphite feltwork, tungsten net or molybdenum net, mesh hole
Diameter is 100nm-100 μm.
The hermetic unit of the top seal flange and lower seal flange is equipped with waterway (hollow cavity structure), should
Cooling water is passed through in waterway.
The high-temperature heating furnace body can be heated to 1300 DEG C -2000 DEG C；The high temperature resistant boiler tube uses ceramic material.
The reaction unit is additionally provided with gas Flowrate Control System, water-cooling system, vacuum system and pneumatic control system；It is described
Gas Flowrate Control System is connected with admission line, for accurately being controlled reaction gas flow, and can control simultaneously
Or be individually passed through protection gas, reaction gas etc.；The water-cooling system is separately connected the water of top seal flange and lower seal flange
Cold chamber, to prevent because of the problem of heat affecting sealing rubber ring leakproofness is crossed in boiler tube part outside high temperature furnace；The vacuum system and air pressure
Control system connects the exhaust pipe on top seal flange by pipeline respectively, can be realized vacuum reaction environment or hyperbar
(highest 5MPa) reaction environment.
It the design principle of the utility model and has the beneficial effect that:
1, utility model device is directed to the special process requirement that powder body material fluidisation need to be realized under high-temperature atmosphere environment,
It is innovated on reaction boiler tube and gas distributor material and air damper material and structure: using resistance to height first
The ceramic boiler tube of temperature both meets requirement resistant to high temperature while protecting liner air damper and gas distributor as outer tube；
Meanwhile aiming at the problem that ceramic material is difficult to be machined, the material design resistant to high temperature such as graphite or boron nitride liner is selected
Formula air damper and gas distributor.By being used cooperatively for boiler tube and liner, meet under excessive temperature atmosphere
Requirement.
2, high temperature resistant air damper designed by the utility model is cylindrical hollow structure, adjuster outer diameter and boiler tube
Internal diameter accurately matches.Adjuster internal orifice dimension has widened taper to change in upper end.Adjuster lower end side is provided with multiple symmetrical
Air inlet, to guarantee reaction chamber interior air-flow symmetrically and evenly.
3, reaction unit upper end designed by the utility model devises the sealing flange with expanding reach, to prevent powder material
Material brings exhaust pipe by high flow rate carrier gas during the reaction.Flange seal part is hollow cavity structure, intracavitary to lead to cooling
Water.The reaction unit lower end devises the sealing flange of multiple symmetrical air inlets.Designed air inlet is kept away in flange side
The problem of conventional lower air inlet falls blocking gas circuit due to part powder is exempted from.Air inlet be it is symmetrical, with air damper
On hole match correspond to.Flange seal part is hollow cavity structure, intracavitary to lead to cooling water.
4, reaction unit designed by the utility model is equipped with gas Flowrate Control System, can carry out essence to reaction gas flow
Really control, it is controllable to be passed through protection gas, reaction gas etc. simultaneously or individually.Device design has water-cooling system, to prevent because of high temperature
The problem of heat affecting sealing rubber ring leakproofness is crossed in the outer boiler tube part of furnace；Device design has vacuum suction part, may be implemented true
Empty reaction environment；The device is equipped with pneumatic control system, it can be achieved that hyperbar (highest 5MPa) reaction environment.
5, reaction unit designed by the utility model can be realized under high temperature environment to the fluidisation of powder body material, avoid
Conventional equipment during the reaction as atmospheric condition it is uneven caused by powder layering, it is hardened the problems such as.The dress of the reaction simultaneously
It sets because devising controllable feeding warehouse and discharging bin, it can be achieved that continuously handling material and material rapid cooling, substantially increases
Production efficiency, and saved the energy, reduces production cost, is powder body material reaction unit under a kind of ideal hot environment.
Detailed description of the invention
Fig. 1 is to utilize powder stereoscan photograph prepared by general chemistry vapor phase growing apparatus；(a) surface layer；(b) bottom.
Fig. 2 is the overall structure diagram of the high-temperature fluidized bed device of the utility model.
Fig. 3 is the structural schematic diagram of air damper described in utility model device；Wherein: (a) air damper；
It (b) is the sectional view at " O " point in (a) figure.
Fig. 4 is the structural schematic diagram of gas distributor described in utility model device；Wherein: (a) main view；(b) it bows
View.
Fig. 5 is to utilize powder stereoscan photograph prepared by reaction unit described in the utility model.
In figure: 1- gas distributor；2- air damper；3- high temperature resistant boiler tube；4- is heated at high temperature furnace body；5- top seal
Flange；6- feeding warehouse；7- lower seal flange；8- discharging bin；9- gas Flowrate Control System；10- water-cooling system；11- vacuum
System；12- pneumatic control system；13- furnace body support.
Specific embodiment
The utility model is described in detail below in conjunction with drawings and examples.
The utility model is high-temperature fluidized bed device, and structure is as in Figure 2-4.The device includes high-temperature heater
Body 4, feeding warehouse 6, top seal flange 5, high temperature resistant boiler tube 3, air damper 2, gas distributor 1,7 and of lower seal flange
Discharging bin 8；The high temperature resistant boiler tube is supported by high-temperature heating furnace body heating, high-temperature heating furnace body by furnace body support 13；
The feeding warehouse is connected by top seal flange 5 with the top of the high temperature resistant boiler tube, and the bottom end of high temperature resistant boiler tube passes through
Lower seal flange 7 connects the discharging bin；Air damper 2 is set in the high temperature resistant boiler tube 3, and air damper 2 is circle
Columnar hollow structure, it is interior to be equipped with gas distributor 1；The lower part of the air damper is connected with the discharging bin 8.
The top seal flange is equipped with reducer, and the internal diameter of the reducer is the 1.5 of the high temperature resistant boiler tube internal diameter
Times or more；The top seal flange is provided with exhaust pipe in the side surface upper part of reducer.
Several air inlets are opened up on the side surface of the lower seal flange 7, the end of admission line is divided into several branches
Pipeline, each branch line of admission line are connected via each air inlet with the air damper 2 respectively；Reaction gas via
Admission line enters the lower part of air damper 2, and after flowing upwards through gas distributor 1, the gas after reaction is by exhaust pipe
Road discharge.
The outer diameter of the air damper 2 is accurately matched and (is fitted closely) with the internal diameter of the high temperature resistant boiler tube 3, air-flow tune
The inner cavity of section device is divided into three sections from the bottom to top, is followed successively by thin diameter section, taper reducer and wide section；The cone of the air damper
Gas distributor 1 is arranged in shape reducer；Multiple symmetrical air inlets are opened up on the corresponding side wall of the thin diameter section of the air damper
Hole is connected for each branch line with admission line, the design that air inlet is symmetric, for guaranteeing in reaction chamber
Air-flow is symmetrically and evenly.
The high-temperature heating furnace body can be heated to 1300 DEG C -2000 DEG C；The high temperature resistant boiler tube uses ceramic material；It is described
The material of air damper is graphite, boron nitride or ceramics.
The gas distributor includes the gas-permeable nets being laid on circular ring shape skeleton and skeleton.The circular ring shape of gas distributor
The material of skeleton is graphite, tungsten or molybdenum；Gas-permeable nets are graphite feltwork, tungsten net or molybdenum net, and mesh aperture is 100nm-100 μm.
The hermetic unit of the top seal flange and lower seal flange is equipped with waterway (hollow cavity structure), should
Cooling water is passed through in waterway.
The reaction unit is additionally provided with gas Flowrate Control System 9, water-cooling system 10, vacuum system 11 and pneumatic control system
12；The gas Flowrate Control System is connected with admission line, for accurately being controlled reaction gas flow, and can control
System is passed through protection gas, reaction gas etc. simultaneously or individually；The water-cooling system is separately connected top seal flange and lower seal method
Blue waterway, to prevent because of the problem of heat affecting sealing rubber ring leakproofness is crossed in boiler tube part outside high temperature furnace；The vacuum system
Pass through pipeline respectively with pneumatic control system and connect exhaust pipe on top seal flange, can be realized vacuum reaction environment or
Hyperbar (highest 5MPa) reaction environment.
Embodiment 1:
Each part dimension of heating device presses the processing of drawing matched design according to the actual situation in the present embodiment.
Embodiment high temperature heating furnace body can be heated to 2000 DEG C, and the heating furnace is placed on furnace body support 13.Implement
The use of high temperature resistant boiler tube 3 high temperature resistant corundum furnace tube in example, 50 millimeters of outer diameter, 40 millimeters of internal diameter, 120 centimetres of pipe range.Boiler tube both ends
It can quick despatch flange (top seal flange and lower seal flange) sealed connection by one group.
High-temperature resistant inner lining air damper selects graphite material in embodiment.Reactor is cylindrical hollow structure, reaction
It 39.5 millimeters of device outer diameter, is accurately matched with boiler tube internal diameter.The high temperature resistant air damper is cylindrical hollow structure, adjuster
Outer diameter is accurately matched with boiler tube internal diameter.Adjuster internal orifice dimension has widened taper to change in upper end.Adjuster lower end side is provided with 4
A symmetrical air inlet, to guarantee reaction chamber interior air-flow symmetrically and evenly.
The circular skeleton of high-temperature-resistant gas distributor is prepared using molybdenum filament resistant to high temperature in embodiment, is covered with thereon ventilative
Pore molybdenum net, about 10 μm of screen distance.
Reaction unit upper end devises the top seal flange with expanding reach in embodiment, to prevent powder body material from reacting
Exhaust pipe is brought by high flow rate carrier gas in the process.Flange seal part is hollow cavity structure, intracavitary to lead to cooling water.Reaction dress
Set the lower seal flange that lower end devises 4 symmetrical air inlets.Designed air inlet avoids under routine in flange side
The problem of portion's air inlet falls blocking gas circuit due to part powder.Air inlet be it is symmetrical, matched with the hole on air damper
It is corresponding.Flange seal part is hollow cavity structure, intracavitary to lead to cooling water.
Gas Flowrate Control System (comprising multiple groups gas flowmeter, gas piping, valve etc.) is equipped in embodiment, it can be right
Reaction gas flow is accurately controlled, controllable to be passed through protection gas, reaction gas etc. simultaneously or individually.Device design has water cooling
System (includes water tank, water circulating pump, pipeline etc.), to prevent because heat affecting sealing rubber ring leakproofness is crossed in boiler tube part outside high temperature furnace
The problem of；Device design has vacuum system (comprising vacuum pump, pipeline and control valve etc.), and vacuum reaction ring may be implemented
Border；The device is equipped with pneumatic control system, includes air gauge, pipeline and control valve etc.), it can be achieved that hyperbar (highest 5MPa)
Reaction environment.
The reaction unit is because devise controllable feeding warehouse 6 and discharging bin 8, it can be achieved that continuously loading and unloading material and object simultaneously
Material is quickly cooled down.
Fig. 1 is that prepared by 1500 DEG C graphene coated alumina composite powders material is swept using common CVD technique
Retouch electromicroscopic photograph, it can be seen that since atmosphere is unevenly distributed in reaction environment, the graphene layer growth on powder is uneven.Surface layer
Powder (a) due to carbon source concentration it is excessive, graphene layer deposition is blocked up, and the powder (b) of bottom is then since carbon source concentration is too low
Cause graphene layer growth incomplete；Fig. 5 be using counter device set by the utility model under the conditions of identical temperature and atmosphere
The stereoscan photograph of prepared graphene coated alumina composite powders material, it can be seen that prepared powder graphene
Layer uniform close is coated on aluminum oxide ball surface.
Examples detailed above only refers to, and has similar with this patent or extends high temperature fluidized from this patent thinking
Reaction unit, in the protection scope of this patent.
Claims (10)
1. a kind of high-temperature fluidized bed device, it is characterised in that: the device is close including high-temperature heating furnace body, feeding warehouse, top
Seal flange, refractory ceramics boiler tube, air damper, gas distributor, lower seal flange and discharging bin；Wherein: described resistance to
The inner cavity of refractory ceramics boiler tube passes through the heating stove heating as fluidized-bed reaction chamber；The feeding warehouse is close by top
Envelope flange is connected with the top of the refractory ceramics boiler tube, and powder material is entered in high temperature resistant boiler tube by feeding warehouse；Institute
The bottom end for stating high temperature resistant boiler tube passes through discharging bin described in lower seal flanged joint；Setting air-flow is adjusted in the high temperature resistant boiler tube
Device, the air damper is cylindrical hollow structure, interior to be equipped with gas distributor；The lower part of the air damper and institute
Discharging bin is stated to be connected.
2. high-temperature fluidized bed device according to claim 1, it is characterised in that: the top seal flange is equipped with
Reducer, the internal diameter of the reducer is 1.5 times or more of the high temperature resistant boiler tube internal diameter, to prevent powder body material in reaction process
It is middle that exhaust pipe is brought by high flow rate carrier gas；The top seal flange is provided with exhaust pipe in the side surface upper part of reducer.
3. high-temperature fluidized bed device according to claim 1, it is characterised in that: the side table of the lower seal flange
Several air inlets are opened up on face, the end of admission line is divided into several branch lines, and each branch line of admission line passes through respectively
It is connected by each air inlet with the air damper；Reaction gas enters the lower part of air damper via admission line, to
On flow through gas distributor after, the gas after reaction is discharged by exhaust pipe.
4. high-temperature fluidized bed device according to claim 3, it is characterised in that: the outer diameter of the air damper with
The internal diameter of the high temperature resistant boiler tube accurately matches, and the inner cavity of air damper is divided into three sections from the bottom to top, is followed successively by thin diameter section, cone
Shape reducer and wide section；Gas distributor is arranged in the taper reducer of the air damper；The air damper it is thin
Multiple symmetrical air inlets are opened up on the corresponding side wall of diameter section, are connected for each branch line with admission line, air inlet
The design that hole is symmetric, for guaranteeing reaction chamber interior air-flow symmetrically and evenly.
5. high-temperature fluidized bed device according to claim 1, it is characterised in that: the material of the air damper is
Graphite, boron nitride, ceramics or refractory metal material.
6. high-temperature fluidized bed device according to claim 4, it is characterised in that: the gas distributor includes annulus
The gas-permeable nets being laid on shape skeleton and skeleton.
7. high-temperature fluidized bed device according to claim 6, it is characterised in that: the circular ring shape of the gas distributor
The material of skeleton is graphite, tungsten or molybdenum；Gas-permeable nets on gas distributor are that graphite feltwork, tungsten net or molybdenum net, mesh aperture are
100nm-100μm。
8. high-temperature fluidized bed device according to claim 1, it is characterised in that: the top seal flange and lower part
The hermetic unit of sealing flange is equipped with waterway, is passed through cooling water in the waterway.
9. high-temperature fluidized bed device according to claim 1, it is characterised in that: the high-temperature heating furnace body can heat
To 1300 DEG C -2000 DEG C；The high temperature resistant boiler tube uses ceramic material.
10. high-temperature fluidized bed device according to claim 3, it is characterised in that: the device is additionally provided with gas flow
Control system, water-cooling system, vacuum system and pneumatic control system；The gas Flowrate Control System is connected with admission line
It connects, for accurately being controlled reaction gas flow, and can control while or being individually passed through protection gas, reaction gas etc.；It is described
Water-cooling system is separately connected the waterway of top seal flange and lower seal flange, to prevent because of boiler tube part mistake outside high temperature furnace
The problem of heat affecting sealing rubber ring leakproofness；The vacuum system passes through pipeline with pneumatic control system respectively and connects top seal
Exhaust pipe on flange can be realized vacuum reaction environment or hyperbar reaction environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721719934.6U CN208320756U (en) | 2017-12-12 | 2017-12-12 | A kind of high-temperature fluidized bed device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721719934.6U CN208320756U (en) | 2017-12-12 | 2017-12-12 | A kind of high-temperature fluidized bed device |
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| Publication Number | Publication Date |
|---|---|
| CN208320756U true CN208320756U (en) | 2019-01-04 |
Family
ID=64788320
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| CN201721719934.6U Active CN208320756U (en) | 2017-12-12 | 2017-12-12 | A kind of high-temperature fluidized bed device |
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| Country | Link |
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2017
- 2017-12-12 CN CN201721719934.6U patent/CN208320756U/en active Active
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