CN2885404Y - Moving bed reactor - Google Patents
Moving bed reactor Download PDFInfo
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- CN2885404Y CN2885404Y CN 200420105748 CN200420105748U CN2885404Y CN 2885404 Y CN2885404 Y CN 2885404Y CN 200420105748 CN200420105748 CN 200420105748 CN 200420105748 U CN200420105748 U CN 200420105748U CN 2885404 Y CN2885404 Y CN 2885404Y
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- glove box
- tube
- reactor
- tubular reactor
- quartz boat
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Abstract
A moving bed reactor belongs to inorganic material preparing field and is applicable for the vapor deposition method of catalytic chemistry to continually produce carbon nano tube or nano carbon fiber. The reactor comprises four glove boxes, two tube-type reactors and a moving bed composed of a series of quartz boat or molybdenum boat. The four glove boxes are respectively positioned at the four ends of two parallel located tube-type reactors and connected with the tube-type reactors. The neighbor two glove boxes are communicated through a transition room. The quartz boat loaded with catalyst is moved from one glove box to another through tube-type reactor and transfers between two neighboring glove boxes through the transition room. Two doors are provided for each transition room and while one of the two doors is open, the other one is in closed state. Therefore, the atmosphere of the two tube-type reactors can be separated completely without mixing with each other. The flow direction of the air in the tube-type reactors can also be controlled. And the catalyst in quartz boat will develop the carbon nano tube while passing through the tube-type reactor.
Description
Affiliated technical field
The utility model relates to a kind of moving-burden bed reactor, particularly the moving-burden bed reactor by catalytic cracking process for continuously preparing nm carbon tubes.
Background technology
CNT is the nanoscale tubular graphene crystal of finding the nineties in 20th century, has unusual physical and chemical performance, as the metal of uniqueness or semiconductor electric conductivity, high mechanical strength, hydrogen storage ability, adsorption capacity and wideband electromagnetic wave-absorbing property etc., have broad application prospects at aspects such as information technology, life science, environmental science, automatic technology, aeronautical and space technology and energy technologys.With the CNT is the antistatic light-colored coating and the conductive plastics formally application of conductive functional filler.
CNT is since being found, and its preparation technology is paid attention to and obtain always broad research deeply.The maximum preparation method of research has arc discharge method, laser ablation method and catalystic pyrolysis (or chemical vapour deposition technique) etc. at present.Wherein catalystic pyrolysis is a raw material with hydro carbons or carbon monoxide, to support or the non-Fe that supports, Co or Ni are catalyst, can prepare high-purity carbon nano tube under proper temperature.This method technology is easy to industry amplifies, and CNT yield height, specification are easy to control, the most rising.
The technology that catalystic pyrolysis prepares CNT comprises fixed-bed process, ebullated bed technology and moving bed process.Particularly moving-bed catalytic cracking process prepares CNT technology (Chinese invention patent, application number: 01108769.2), it has overcome the inherent defect of fixed-bed process and ebullated bed technology, has created brand-new Catalytic processes process.Catalyst can guarantee to obtain high catalyst utilization with the formal expansion of thin layer in this technical process; By the control flow direction of material, not only obtained high unstripped gas conversion ratio, can obtain high CNT yield simultaneously.This process equipment is simple, energy consumption is low, catalyst utilization is high, and can prepare design specification CNT (comprise large tracts of land array arrange CNT) continuously, is a kind of desirable method for preparing CNT low-costly and in high volume.
The equipment that adopts in the present moving bed process is the rotary type mobile reactor.This reactor is formed the structure that similar Chinese character " returns " word by " U " type tunnel cave and a glove box.Because this reactor is when work, " U " type tunnel cave is in the condition of high temperature, under the situation that moving bed moves in guaranteeing the tunnel, the sealing fully of atmosphere isolation and reactor all is difficult to realize in the tunnel, cause imflammable gas to leak, have a strong impact on the security of operation of equipment and equipment operator's personal safety, also need a large amount of the use to isolate nitrogen simultaneously, improved the operating cost of equipment.
Summary of the invention
The utility model improves the structure of existing rotary type moving-burden bed reactor, has avoided the high temperature movable sealing of reactor and the use of isolating nitrogen, has solved the isolation and the gas flow direction control problem of atmosphere in the reactor.
The technical scheme that the utility model adopted is: adopt four glove boxes (201,202,203,204) with two tubular reactors (101,102) moving-burden bed reactor of composition " returning " font structure, glove box (201,202) be positioned at the two ends of tubular reactor (101), and be interconnected with tubular reactor (101), glove box (203,204) be positioned at the two ends of tubular reactor (102), and be interconnected with tubular reactor (102), glove box (201) passed through ripple chamber (305) with glove box (204) and was connected, glove box (202) is connected by transition chamber (306) with glove box (203), the quartz boat that constitutes moving bed (103) arrives another glove box (202) from a glove box (201) through tubular reactor (101), passing through transition chamber (306) again arrives in the glove box (203), arrive glove box (204) by tubular reactor (102), pass through transition chamber (305) at last and get back in the glove box (201), proceed the next round circulation.Moving bed by a series of quartz boats or molybdenum boat constitute is pushed circulation in tubular reactor and glove box.On the interior operation panel of glove box (201,202,203,204) discharge port (501,502,503,504) is arranged, can realize that solid material in time transfers to the glove box outside.Whole system can be isolated fully with outside air.
As a typical structure of the present utility model, adopt two glove boxes (201,202), a tubular reactor (101) and a series of quartz boat constitute moving bed (103) reactor, promptly a glove box (201 respectively is installed at the two ends of tubular reactor (101), 202), and with glove box (201,202) connect mutually with tubular reactor (101), the a series of quartz boats that constitute moving bed arrive another glove box (202) from a glove box (201) through tubular reactor (101), and catalyst in this process in the quartz boat and the unstripped gas effect in the tubular reactor generate target product.Realize continued operation, as long as the quartz boat that will move in second glove box (202) is transferred to the outside by the transition chamber (302) of this glove box (202), transfer to first glove box (201) inside by the transition chamber (301) of first glove box (201) again and get final product.
Good effect of the present utility model is: atmosphere is isolated fully in two tubular reactors, mixes no longer mutually; The flow direction of gas in tubular reactor can artificially be controlled.And under an inoperable situation of tubular reactor, another tubular reactor can work on.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
Below in conjunction with accompanying drawing the utility model is further specified.
In the accompanying drawing, 001, the 002nd, heating furnace, 101, the 102nd, tubular reactor, 103, the 104th, the moving bed that constitutes by a series of quartz boats, 201,202,203,204 is four glove boxes, and 301,302,303,304,305,306 are the transition chamber on the glove box, and 401,402,403,404,405,406,407 and 408 is the gateway of gas, 501,502,503,504 is the interior discharge port of glove box, and 601,602,603,604 is the gloves hole of glove box.
Below with the method for operating that example illustrates this moving-burden bed reactor that is prepared as of CNT.At first in this moving-burden bed reactor, charge into nitrogen, by 402,404 the gas in this reactor is discharged, to drain the air in the reactor by 401,403,405,406,407,408; By transition chamber 301,303 catalyst is transferred in 201,203, the catalyst that takes by weighing constant weight is rendered to respectively in the quartz boat of moving bed 103,104, respectively quartz boat is pushed one by one tubular reactor 101,102; Heating furnace 001,002 is elevated to 600～800 ℃, reduces by 405,406,407,408 air inflow, changing 401,403 nitrogen is the gaseous mixture of hydrogen and carbon-source gas, is adjusted to suitable flow.Catalyst in the quartz boat is produced CNT with the carbon-source gas effect in tubular reactor.In the time of in quartz boat moves to glove box 202,204, pour out catalyst and go up carbon nanotubes grown and enter discharge port 502,504, the quartz boat of vacating is taken respectively in the transition chamber 306,305, this moment, transition chamber 306 was opened at the door of 202 1 sides, door in 203 1 sides is closed, transition chamber 305 is opened at the door of 204 1 sides, closes at the door of 201 1 sides.When the quartz boat amount in the transition chamber 306,305 is abundant, close opened door, open the door that is in closed condition in the past, take out quartz boat and throw in catalyst, again quartz boat is pushed in the tubular reactor one by one.So circulation realizes the serialization preparation of CNT.
This moving-burden bed reactor also can be by the reverse operation of aforesaid operations direction.Promptly by transition chamber 302,304 catalyst is transferred in 202,204, the catalyst that takes by weighing constant weight is rendered to respectively in the quartz boat of moving bed 103,104, respectively quartz boat is pushed one by one tubular reactor 101,102; In the time of in quartz boat moves to glove box 201,203, pour out catalyst and go up carbon nanotubes grown and enter discharge port 501,503.
Discharge port 501,502,503,504 external all turning barrels, when filling the thick product of CNT in all turning barrels, close discharge port, change empty all turning barrels and remove the interior air of bucket side by side, in glove box, open discharge port again, guarantee that air does not enter inside reactor with the thick product of the CNT of packing into.
The door of this moving-burden bed reactor Transition Room can preferably be opened and closed by Electric Machine Control by manually opened and close.Can realize automation by Electric Machine Control, and be not easy to make mistakes.
In fact, this covering device also can adopt other method of operating to prepare CNT.As activating catalyst in the tubular reactor therein, carbon nano-tube in another tubular reactor.Also this covering device can be overlapped independently reaction unit as two and use, this moment transition chamber 305,306 both sides the door Close All, quartz boat can shift between glove box by transition chamber 301,302,303,304.
As the simplest structure of the utility model, this moving-burden bed reactor is made up of two glove boxes and a tubular reactor, two glove boxes connect by tubular reactor, and the push pedal of forming moving bed arrives another glove box from a glove box through tubular reactor.Forming the push pedal of moving bed can shift between glove box through the transition chamber of glove box.
Tubular reactor is replaced with the straight-through tunnel kiln, just can improves the production capacity of the utility model institute contrive equipment greatly.
The moving bed that the utility model adopted can be made up of a series of quartz boats, molybdenum boat, also can be made up of the push pedal that a series of other materials are made, and the material that can be used for making push pedal comprises glass, metallic copper, stainless steel, silicon, quartz, aluminium oxide etc.
Quartz boat or push pedal can promote by hydraulic transmission, also can use hand propelled.
The utility model is fit to adopt chemical vapour deposition technique to prepare powder body material or block materials, is particularly suitable for adopting catalystic pyrolysis to prepare CNT or carbon nano-fiber.
Claims (2)
1 one kinds of moving-burden bed reactors, by glove box (201,202,203,204), tubular reactor (101,102) and the moving bed (103 that constitutes of a series of quartz boat or molybdenum boat, 104) form, it is characterized in that glove box (201,202) be positioned at the two ends of tubular reactor (101), and be interconnected with tubular reactor (101), glove box (203,204) be positioned at the two ends of tubular reactor (102), and be interconnected with tubular reactor (102), glove box (201) is connected by transition chamber (305) with glove box (204), glove box (202) is connected by transition chamber (306) with glove box (203), the quartz boat that constitutes moving bed (103) arrives another glove box (202) from a glove box (201) through tubular reactor (101), passing through transition chamber (306) again arrives in the glove box (203), arrive glove box (204) by tubular reactor (102), pass through transition chamber (305) at last and get back in the glove box (201), proceed the next round circulation.
2 moving-burden bed reactors according to claim 1 is characterized in that on the interior operation panel of glove box (201,202,203,204) discharge port (501,502,503,504) being arranged, and can realize that solid material in time transfers to the glove box outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420105748 CN2885404Y (en) | 2004-12-24 | 2004-12-24 | Moving bed reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420105748 CN2885404Y (en) | 2004-12-24 | 2004-12-24 | Moving bed reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2885404Y true CN2885404Y (en) | 2007-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420105748 Expired - Fee Related CN2885404Y (en) | 2004-12-24 | 2004-12-24 | Moving bed reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2885404Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108261985A (en) * | 2018-01-17 | 2018-07-10 | 天津中环电炉股份有限公司 | A kind of horizontal-type high temperature photo-thermal catalytic reaction device |
| CN108311064A (en) * | 2017-01-16 | 2018-07-24 | 赵社涛 | A kind of Horizontal stirring reactor for carbon nanotube production |
| CN111285353A (en) * | 2020-04-07 | 2020-06-16 | 李宗奎 | System and method for preparing carbon nano tube by catalytic cracking of natural gas |
| CN113896184A (en) * | 2021-10-08 | 2022-01-07 | 成都科汇机电技术有限公司 | Carbon nano tube prepared by catalytic cracking of hydrocarbon by using circulating intermittent moving method, device and method |
-
2004
- 2004-12-24 CN CN 200420105748 patent/CN2885404Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108311064A (en) * | 2017-01-16 | 2018-07-24 | 赵社涛 | A kind of Horizontal stirring reactor for carbon nanotube production |
| CN108261985A (en) * | 2018-01-17 | 2018-07-10 | 天津中环电炉股份有限公司 | A kind of horizontal-type high temperature photo-thermal catalytic reaction device |
| CN111285353A (en) * | 2020-04-07 | 2020-06-16 | 李宗奎 | System and method for preparing carbon nano tube by catalytic cracking of natural gas |
| CN113896184A (en) * | 2021-10-08 | 2022-01-07 | 成都科汇机电技术有限公司 | Carbon nano tube prepared by catalytic cracking of hydrocarbon by using circulating intermittent moving method, device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070404 Termination date: 20131224 |