CN207030957U - A kind of exhaust treatment system and the continuous device for preparing nano-carbon material - Google Patents
A kind of exhaust treatment system and the continuous device for preparing nano-carbon material Download PDFInfo
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- CN207030957U CN207030957U CN201720756857.5U CN201720756857U CN207030957U CN 207030957 U CN207030957 U CN 207030957U CN 201720756857 U CN201720756857 U CN 201720756857U CN 207030957 U CN207030957 U CN 207030957U
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Abstract
The utility model discloses a kind of exhaust treatment system and the continuous device for preparing nano-carbon material, belong to the technical field for preparing nano-carbon material.A kind of exhaust treatment system, including：Cyclone separator, air-introduced machine, drier and air accumulator；Cyclone separator includes cone, and the bottom of cone offers discharging opening, and air inlet is offered in the side wall of the bottom of cone, and the top of cone offers water inlet, gas outlet is offered at the top of cone；Air-introduced machine is connected by pipeline with gas outlet, and drier is located between air-introduced machine and air accumulator.The utility model further relates to the continuous device for preparing nano-carbon material for including above-mentioned exhaust treatment system, the system is directly connected with the outlet of tail gas, after mixed gas and the separation of hollow nano-carbon material, recycle, realize maximally utilizing to natural gas, coal bed gas, biogas etc., energy consumption required during the cracking of alkane hydrogen species gas catalysis is also reduced simultaneously, meets the requirement of energy-saving and emission-reduction.
Description
Technical field
The technical field for preparing nano-carbon material is the utility model is related to, especially a kind of exhaust treatment system and continuous system
The device of standby nano-carbon material.
Background technology
In recent years, the alkane hydrogen species such as natural gas, coal bed gas, biogas gas (main component is methane) catalytic pyrolysis carbon hydrogen manufacturing
It is study hotspot, by cracking CH4Nano-carbon material (nano-onions carbon, CNT, nanometer carbochain etc.) and not can be prepared
The H of carbon oxide2(can be directly as fuel use), due to both very important products can be obtained simultaneously, so
The technology path causes the attention of many researchers.The major product of the technology is the graphitization nano carbon of high added value at present
Material, the product have good electronics, mechanical performance, chemical inertness, biocompatibility, are widely used in engineering, electricity
The fields such as son, chemical industry, biology, while contain the nano-carbon material that substantial amounts of hydrogen and small part are hollow in the tail gas discharged.It is existing
There is technology generally to be reprocessed after tail gas centralized collection, low production efficiency, cost height.
Utility model content
The utility model provides a kind of exhaust treatment system and the continuous device for preparing nano-carbon material, to solve existing skill
The problem of vent gas treatment caused by nano-carbon material is produced in art.
In order to solve the above technical problems, technical scheme is used by the utility model：
A kind of exhaust treatment system, including：Cyclone separator, including cone, the bottom of cone offer discharging opening, cone
Bottom side wall on offer air inlet, the top of cone offers water inlet, gas outlet is offered at the top of cone；Air inducing
Machine, drier and air accumulator, air-introduced machine are connected by pipeline with gas outlet, and drier is located between air-introduced machine and air accumulator.
The utility model further relates to the continuous device for preparing nano-carbon material for including above-mentioned exhaust treatment system, bag
Include：Tubular reactor, its top are provided with air inlet pipe, and its end is provided with blast pipe and drainage conduit；Air inlet pipe is provided with feed pipe；Instead
Answer device to enclose to be rotated about its center axis, and can adjust the height at its both ends, it is in certain inclination angle to make it；For the heating of reactor heating
Stove, located at the reaction zone position of reactor；Gas furnace, heat is provided for heating furnace；Cyclone separator, including cone, cone
Bottom offers discharging opening, and air inlet is offered in the side wall of the bottom of cone, and the top of cone offers water inlet, cone
Top offers gas outlet；Air inlet passes through pipeline communication with blast pipe；Air-introduced machine, drier and air accumulator, air-introduced machine pass through
Pipeline is connected with gas outlet, and drier is located between air-introduced machine and air accumulator；Air accumulator passes through pipeline communication with gas furnace.
The beneficial effects of the utility model：
1st, exhaust treatment system of the present utility model, directly it is connected with the outlet of tail gas, by mixed gas and hollow
After nano-carbon material separation, recycle, realize maximally utilizing to natural gas, coal bed gas, biogas etc..
2nd, the utility model continuously prepare nano-carbon material device solve nano-carbon material serialization prepare-receive
The problem of collection-separation-vent gas treatment, the continuous collection, separation and tail gas recycle for realizing nano-carbon material recycle, save and receive
Rice carbon material is collected separately and is separately separated and the process of tail gas reprocessing, reduces human cost and time cost, improves
The online production efficiency and output of nano-carbon material；Energy required during the cracking of alkane hydrogen species gas catalysis is also reduced simultaneously
Consumption, meets the requirement of energy-saving and emission-reduction；The equipment requirement of the system is simple, and simple operation is safe and reliable, and maintenance side
Just, suitable for industrialized production.
Brief description of the drawings
Fig. 1 is the structural representation for the device that nano-carbon material is continuously prepared in embodiment.
In figure：1st, reactor；2nd, heating furnace；3rd, feed pipe；4th, air inlet pipe；5th, gas furnace；6th, drainage conduit；7th, blast pipe；
10th, cone；11st, discharging opening；12nd, air inlet；13rd, water inlet；14th, gas outlet；15th, air-introduced machine；16th, drier；17th, gas storage
Tank；18th, water tank；19th, compression pump.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of exhaust treatment system, including：Cyclone separator, air-introduced machine 15, drier 16 and air accumulator
17；Cyclone separator includes cone 10, and the bottom of cone 10 offers discharging opening 11, offered in the side wall of the bottom of cone 10
Air inlet 12, the top of cone 10 offer water inlet 13, and the top of cone 10 offers gas outlet 14；Air-introduced machine 15 passes through pipe
Road is connected with gas outlet 14, and drier 16 is located between air-introduced machine 15 and air accumulator 17.Preferably, water inlet 13 is located at cone 10
At the 2/3 of height.
Preferably, the exhaust treatment system in embodiment also includes：Water tank 18 and compression pump 19, compression pump 19 is by water storage
Water in tank 18 is pumped into cone 10 through water inlet 13.
As shown in figure 1, the utility model, which further relates to include the continuous of above-mentioned exhaust treatment system, prepares nano-carbon material
Device, it also includes：Tubular reactor 1, it is heating furnace 2 and be the combustion gas that heating furnace 2 provides heat that reactor 1 heats
Stove 5；Wherein,
Tubular reactor 1, its top 100 are provided with air inlet pipe 4, and its end 200 is provided with blast pipe 7 and drainage conduit 6；Air inlet pipe
4 are provided with feed pipe 3；Reactor 1, which can enclose, to be rotated about its center axis, and can adjust the height at its both ends, and it is in certain inclination angle to make it；
Heating furnace 2 need to tilt with the inclination of reactor 1；Air inlet 12 passes through pipeline communication with blast pipe 7；Heating furnace 2 is located at reaction
The reaction zone position of device 1；Air accumulator 17 passes through pipeline communication with gas furnace 5.
In embodiment, the realization that reactor 1 rotates can use prior art, it is preferable that and the both ends of reactor are fixed, in
Between partly rotate, sealing is realized by the way of rotary dynamic seal.The both ends of reactor are fixed, and the purpose is to realize nano-sized carbon
Material is rotated at the discharge gate of reactor end and can smoothly discharged.
In embodiment, the angle of inclination of reactor 1 is -10~10 degree.
In embodiment, the device of nano-carbon material is continuously prepared, in addition to：Bottom is provided with the electromagnetic separator of outlet,
Positioned at the lower section of drainage conduit 6, drainage conduit 6 is provided with stop valve.Preferably, electromagnetic separator separates for electric and magnetic oscillation in embodiment
Device.
Outlet includes in embodiment：For discharging the first discharge port of hollow Nano carbon, positioned at electromagnetic separator bottom
Center；For discharging other second outlets, provided with least one, it is located at the both sides of electromagnetic separator bottom.Electromagnetism
It makees of reciprocating vibration separator, and nano-sized carbon and catalyst with magnetic core are attached to separator in the presence of electromagnetic force
On wall, and hollow Nano carbon then moves to the middle position of separator in the presence of mechanical oscillation, and first discharge port is arranged
Go out；The wall of device to be separated is closed stop valve, is stopped electromagnetism point by after the nano-sized carbon with magnetic core and catalyst attachment completely
From device so that nano-sized carbon and catalyst with magnetic core come off, and are discharged by the second outlet.
In order to control the mixed proportion of raw material and air-flow, it is preferable that along the inflow direction of air-flow, air inlet pipe 4 and feed pipe 3
Reverse is in 35 ° of -60 ° of angles, preferably 45 °.
Preferably, the material of reactor 1 is stainless steel in embodiment.
To control delivery rate (control catalyst transport amount), the device that nano-carbon material is continuously prepared in embodiment also wraps
Include：Feed space, screw feeder and the motor for driving screw feeder to rotate, feed space are connected with feed pipe 3, spiral
Dispenser is in feed space.
Preferably, blast pipe 7 is located at the top of reactor 1, and blast pipe 7 is connected with gas pressure sensing device.
Preferably, the inwall of reactor 1 is provided with the barrier baffle plate for being used for limiting gas flow rate, to ensure catalyst with gas
Stream rests on the reaction zone of reactor 1, and the setting that baffle plate is obstructed in embodiment uses prior art.
In embodiment, at 600-900 DEG C, catalytic cracking reaction occurs in reactor 1 for the alkane hydrogen species gas being passed through, raw
Into nano-carbon material discharge and collect through drainage conduit 6, the gas of generation then enters cyclone separator through blast pipe 7, divides after processing
From hollow nano-carbon material and the gaseous mixture of alkane hydrogen species gas and hydrogen is obtained, the gaseous mixture for being collected in air accumulator 17 is used as combustion
The fuel of steam stove 5, realize recycling for tail gas.The utility model solves alkane hydrogen species gas catalysis cracking hydrogen production and used immediately
The problem of hydrogen, reasonable utilization and the maximum resource utilization of hydrogen are realized, while also reduce the cracking of alkane hydrogen species gas catalysis
Shi Suoxu energy consumption, meet the requirement of energy-saving and emission-reduction.
The utility model device continuously can feed intake into screw feeder, and the successive reaction in the reactor 1 of sealing
Nano-carbon material is prepared, and reacted tail gas uses after exchanging heat, separating as gas supply combustion gas stove heat, improves
The overall thermal efficiency, reduces carbon emission.
In embodiment, the high-temperature tail gas discharged by the blast pipe 7 above the end of reactor 1 enters cyclone separator bottom
Gas distributor, tail gas is in the shape of a spiral evenly into cyclone separator, and the deionized water in water tank 18 is through water inlet 13
Into high speed centrifugal atomization device, spray into the imperceptible vaporific globule, high-temperature tail gas with its current contacting within the extremely short time,
The hollow Nano carbon material contained in tail gas is dried continuously to be arranged for finished product, finished product by the discharging opening 11 of cyclone separator bottom
Go out, remaining gas is then extracted out by the air-introduced machine 15 being connected with gas outlet 14.The gas extracted out via air-introduced machine 15, which enters, to be filled
In the drier 16 of quick lime or other drier, the vapor in gas is removed, dried gas then enters air accumulator 17.
Gaseous mixture in air accumulator 17 is transported in gas furnace 5 as fuel, is heated for heating furnace 2.
Difference that the device of nano-carbon material adds according to raw material and other response parameters are continuously prepared in embodiment
Difference, different nano-carbon materials can be prepared.
Embodiment 1
Methane catalytic decomposition serialization prepares CNT, comprises the following steps：
Step 1, feed pipe 3 and drainage conduit 6 are closed, opens blast pipe 7, air inlet pipe 4 accesses nitrogen, is passed into reactor 1
Middle 10min；It is repeated 3 times, to remove the air in reactor 1；
Step 2, it is 0 degree to adjust the inclination angle of reactor 1, is rotated with 8~20r/min speed, and heating furnace 2 is heated to
500~600 DEG C, the gas of air inlet pipe 4 is changed to hydrogen, by the La of feed pipe 32NiO4Catalyst fines enters reactor 1 with hydrogen
In, to 20~30min of catalyst reduction；
Step 3, the regulation temperature of heating furnace 2 rises to 700 DEG C~900 DEG C, and regulation reactor 1 inclination angle is -5~-8 degree, with 10
~15r/min velocity reversal rotates 10~20min；The gas of air inlet pipe 4 is changed to methane, while is tune by the inclination angle of reactor 1
For 5~7 degree, run with 2~10r/min speed, to ensure the actual time of contact of methane and catalyst, treat 30~40min
Afterwards, CNT the turning to up at the drainage conduit 6 below the end of reactor 1 with reactor 1 of generation is reacted, subsequent discharges into electricity
In magnetic separator；Reacted tail gas is then discharged by the blast pipe 7 above the end of reactor 1；
Step 4, electromagnetic separator is started, it makees of reciprocating vibration, then the CNT with catalyst and catalyst are in electricity
It is attached in the presence of magnetic force on the wall of separator, and the high CNT of purity then moves in the presence of mechanical oscillation
The middle position of separator, and discharged by first discharge port；The wall of device to be separated is by the CNT with catalyst and urges
After agent attachment is full, stop valve to be closed, stops electromagnetic separator so that nano-sized carbon and catalyst with catalyst come off, and
Discharged by the second outlet；
Step 5, after electromagnetic separator emptying, stop valve is opened, and starts electromagnetic separator, repeat step 4, continues to separate
CNT and nano-sized carbon and catalyst with catalyst；
Step 6, repeat the above steps and 2 arrive step 5, after continuous prepare 130 hours, be collected into high-purity nano carbon pipe
5Kg。
Embodiment 2
Coal bed gas catalytic pyrolysis serialization prepares nano-onions carbon, comprises the following steps：
Step 1, feed pipe 3 and drainage conduit 6 are closed, opens blast pipe 7, air inlet pipe 4 accesses nitrogen, is passed into reactor 1
Middle 10min；It is repeated 3 times, to remove the air in reactor 1；
Step 2, it is 0 degree to adjust the inclination angle of reactor 1, is rotated with 5~15r/min speed, and heating furnace 2 is heated to
500~600 DEG C, the gas of air inlet pipe 4 is changed to hydrogen, the Ni-Fe alloy catalysts powder of feed pipe 3 is entered with hydrogen and reacted
In device 1, to 20~30min of catalyst reduction；
Step 3, the regulation temperature of heating furnace 2 rises to 700 DEG C~900 DEG C, and regulation reactor 1 inclination angle is -3~-6 degree, with 8~
12r/min velocity reversal rotates 10~20min；The gas of air inlet pipe 4 is changed to coal bed gas, while is tune by the inclination angle of reactor 1
For 3~6 degree, run with 5~8r/min speed, to ensure the actual time of contact of coal bed gas and catalyst, treat 80~
After 100min, nano-onions carbon the turning to up at the drainage conduit 6 below the end of reactor 1 with reactor 1 of generation is reacted, with
After be discharged into electromagnetic separator；Reacted tail gas is then discharged by the blast pipe 7 above the end of reactor 1；
Step 4, electromagnetic separator is started, it makees of reciprocating vibration, then the nano-onions carbon with catalyst and catalyst exist
It is attached in the presence of electromagnetic force on the wall of separator, and the high nano-onions carbon of purity is then transported in the presence of mechanical oscillation
Move to the middle position of separator, and discharged by first discharge port；The wall of device to be separated is by the nano-onions with catalyst
After carbon and catalyst attachment are full, stop valve is closed, stops electromagnetic separator so that nano-sized carbon and catalyst with catalyst take off
Fall, and discharged by the second outlet；
Step 5, after electromagnetic separator emptying, stop valve is opened, and starts electromagnetic separator, repeat step 4, continues to separate
Nano-onions carbon and nano-sized carbon and catalyst with catalyst；
Step 6, repeat the above steps and 2 arrive step 5, after continuous prepare 28 hours, be collected into high-purity nano onion
Carbon 0.5Kg.
Embodiment 3
Catalytic pyrolysis of natural gas serialization prepares graphene, comprises the following steps：
Step 1, feed pipe 3 and drainage conduit 6 are closed, opens blast pipe 7, air inlet pipe 4 accesses nitrogen, is passed into reactor 1
Middle 10min；It is repeated 3 times, to remove the air in reactor 1；
Step 2, it is 0 degree to adjust the inclination angle of reactor 1, is rotated with 5~15r/min speed, and heating furnace 2 is heated to
600~700 DEG C, the gas of air inlet pipe 4 is changed to natural gas, the catalyst Cu powder of feed pipe 3 is entered in reactor 1 with hydrogen,
To 20~30min of catalyst reduction；
Step 3, the regulation temperature of heating furnace 2 rises to 900 DEG C~1000 DEG C, and regulation reactor 1 inclination angle is -3~-5 degree, with 10
~12r/min velocity reversal rotates 15~25min；The gas of air inlet pipe 4 is changed to natural gas, while is by the inclination angle of reactor 1
6~8 degree are adjusted to, is run with 3~5r/min speed, to ensure the actual time of contact of natural gas and catalyst, treat 50~
After 60min, graphene the turning to up at the drainage conduit 6 below the end of reactor 1 with reactor 1 of generation is reacted, with heel row
Enter in electromagnetic separator；Reacted tail gas is then discharged by the blast pipe 7 above the end of reactor 1；
Step 4, electromagnetic separator is started, it makees of reciprocating vibration, then the graphene with catalyst and catalyst are in electromagnetism
It is attached in the presence of power on the wall of separator, and the high graphene of purity then moves to separation in the presence of mechanical oscillation
The middle position of device, and discharged by first discharge port；The wall of device to be separated is attached by the graphene with catalyst and catalyst
After completely, stop valve to be closed, stops electromagnetic separator so that graphene and catalyst with catalyst come off, and by second
Outlet is discharged；
Step 5, after electromagnetic separator emptying, stop valve is opened, and starts electromagnetic separator, repeat step 4, continues to separate
Graphene and graphene and catalyst with catalyst；
Step 6, repeat the above steps and 2 arrive step 5, after continuous prepare 5 hours, be collected into high purity graphite alkene 30g.
In above-described embodiment in the preparation process of nano-carbon material, the reducing gas in step 2 is such as natural gas, coal seam
The classes containing C such as gas, biogas or paraffin gas gas, or without C classes gas such as hydrogen；Reducing gas in step 3 be as natural gas,
The classes containing C such as coal bed gas, biogas or paraffin gas gas.Catalyst powder is different Mo, Ni (Fe, Co) and the Mo of Mg contentsx-Ni
(Fe, Co)y-MgOzSolid solution catalyst, the zeolite structured catalyst of Ni/Y- types, La2NiO4Catalyst, Ni/MCM-41 catalyst,
Fe-Cr alloy catalysts, LaNi0.9Co0.1O3Catalyst, Cu powder catalyst or Ni-Fe alloy catalysts.
Apparatus and method in above-described embodiment are applied to have ferromagnetic catalyst cracking paraffin gas chemistry
Vapour deposition process rotation prepares nano-carbon material, is also applied for related nano material chemical vapour deposition technique and continuously prepares.
Embodiment of the present utility model is explained in detail above in conjunction with accompanying drawing, but the utility model is not limited to
Embodiment is stated, in those of ordinary skill in the art's possessed knowledge, the utility model aims can also not departed from
On the premise of make obtaining various change, also should be regarded as the scope of protection of the utility model.
Claims (10)
- A kind of 1. exhaust treatment system, it is characterised in that including：Cyclone separator, including cone (10), the bottom of the cone (10) offer discharging opening (11), the cone (10) Air inlet (12) is offered in the side wall of bottom, the top of the cone (10) offers water inlet (13), the cone (10) Top offer gas outlet (14)；Air-introduced machine (15), drier (16) and air accumulator (17), the air-introduced machine (15) pass through pipeline and the gas outlet (14) Connection, the drier (16) are located between the air-introduced machine (15) and the air accumulator (17).
- 2. exhaust treatment system as claimed in claim 1, it is characterised in that also include：Water tank (18) and compression pump (19), Water in the water tank (18) is pumped into the cone (10) by the compression pump (19) through the water inlet (13).
- A kind of 3. continuous device for preparing nano-carbon material, it is characterised in that including：Tubular reactor (1), its top (100) are provided with air inlet pipe (4), and its end (200) is provided with blast pipe (7) and drainage conduit (6)；The air inlet pipe (4) is provided with feed pipe (3)；The reactor (1), which can enclose, to be rotated about its center axis, and can adjust its two The height at end, it is in certain inclination angle to make it；The heating furnace (2) heated for the reactor (1), located at the reaction zone position of the reactor (1)；Gas furnace (5), heat is provided for the heating furnace (2)；Cyclone separator, including cone (10), the bottom of the cone (10) offer discharging opening (11), the cone (10) Air inlet (12) is offered in the side wall of bottom, the top of the cone (10) offers water inlet (13), the cone (10) Top offer gas outlet (14)；The air inlet (12) passes through pipeline communication with the blast pipe (7)；Air-introduced machine (15), drier (16) and air accumulator (17), the air-introduced machine (15) pass through pipeline and the gas outlet (14) Connection, the drier (16) are located between the air-introduced machine (15) and the air accumulator (17)；The air accumulator (17) and institute State gas furnace (5) and pass through pipeline communication.
- 4. the as claimed in claim 3 device for continuously preparing nano-carbon material, it is characterised in that along the inflow direction of air-flow, It is in 35 ° of -60 ° of angles that the air inlet pipe (4) is reverse with the feed pipe (3).
- 5. the device as claimed in claim 3 for continuously preparing nano-carbon material, it is characterised in that the blast pipe (7) is located at The top of the reactor (1), the blast pipe (7) are provided with gas pressure sensing device.
- 6. the device as claimed in claim 3 for continuously preparing nano-carbon material, it is characterised in that also include：Water tank (18) With compression pump (19), the water in the water tank (18) is pumped into the cone by the compression pump (19) through the water inlet (13) (10) in.
- 7. the device as claimed in claim 3 for continuously preparing nano-carbon material, it is characterised in that also include：Bottom is provided with row The electromagnetic separator of outlet, positioned at the lower section of the drainage conduit (6), the drainage conduit (6) is provided with stop valve.
- 8. the device as claimed in claim 7 for continuously preparing nano-carbon material, it is characterised in that the outlet includes：For discharging the first discharge port of hollow Nano carbon, positioned at the center of the electromagnetic separator bottom；For discharging the second outlet of other materials, provided with least one, it is located at the both sides of the electromagnetic separator bottom.
- 9. the device as claimed in claim 3 for continuously preparing nano-carbon material, it is characterised in that also include：Feed space, it is connected with the feed pipe (3)；Screw feeder, in the feed space；For driving the motor of the screw feeder rotation, electrically connected with the screw feeder.
- 10. the as claimed in claim 3 device for continuously preparing nano-carbon material, it is characterised in that the reactor (1) it is interior Wall is provided with the barrier baffle plate for being used for limiting gas flow rate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720756857.5U CN207030957U (en) | 2017-06-27 | 2017-06-27 | A kind of exhaust treatment system and the continuous device for preparing nano-carbon material |
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| CN201720756857.5U CN207030957U (en) | 2017-06-27 | 2017-06-27 | A kind of exhaust treatment system and the continuous device for preparing nano-carbon material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413138A (en) * | 2016-05-18 | 2017-12-01 | 山西中兴环能科技有限公司 | A kind of exhaust treatment system and the continuous device for preparing nano-carbon material |
| CN110127664A (en) * | 2019-06-27 | 2019-08-16 | 深圳市中科纳米科技有限公司 | The device and method of carbon nanotube are automatically continuously produced using fixed bed |
-
2017
- 2017-06-27 CN CN201720756857.5U patent/CN207030957U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107413138A (en) * | 2016-05-18 | 2017-12-01 | 山西中兴环能科技有限公司 | A kind of exhaust treatment system and the continuous device for preparing nano-carbon material |
| CN110127664A (en) * | 2019-06-27 | 2019-08-16 | 深圳市中科纳米科技有限公司 | The device and method of carbon nanotube are automatically continuously produced using fixed bed |
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