CN101462927B - Multi-interval reaction device - Google Patents
Multi-interval reaction device Download PDFInfo
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- CN101462927B CN101462927B CN2007103018990A CN200710301899A CN101462927B CN 101462927 B CN101462927 B CN 101462927B CN 2007103018990 A CN2007103018990 A CN 2007103018990A CN 200710301899 A CN200710301899 A CN 200710301899A CN 101462927 B CN101462927 B CN 101462927B
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Abstract
The invention discloses a multiplex interval reaction device which is mainly applied to converting synthesis gas into methyl alcohol; the reaction device is provided with a three-phase reactor; an air flow bed is arranged above the reactor and a slurry foam bed is arranged below the reactor; the slurry foam bed area is provided with a plurality of reaction intervals and a plurality of pore plate devices, and a plurality of reaction intervals are separated by a plurality of pore plate devices; the hole of the pore plate device can load reaction accelerant and can lead the synthetic raw gas to pass; in addition, the hole can be of arbitrary shape and size so as to be filled with the accelerants with different size or with different characteristic series.
Description
Technical field
The present invention relates to a kind of multi-interval reaction device, relate in particular to a kind of multi-interval reaction device that is applied to synthetic gas is converted to methyl alcohol.
Background technology
Methyl alcohol is an important chemical material, is usually used in making formaldehyde, acetic acid and other verivate in the industry, and also feasible dehydration reaction generation dme (Dimethyl Ether, DME).On the other hand, present liquid state under the methyl alcohol normal temperature and pressure, release hydrogen for a kind of media fuel that is convenient for carrying hydrogen, is applied to fuel cell easily, and sufficient, the easy storage in source, low price are one of ideal alternative fuel.
The method of synthesizing methanol in the industry; Mainly contain following several kinds of commercialization processing procedure (Rodney J.Dry in early days; 1988): 1.Lurgi Tubular Packed Bed Reactor, 2.ICI Quench Reactor, 3.Casale Mixed Flow Reactor; 4.Open-Catalyst Quench System, 5.Tube-Cooled Radial Flow System; Wherein the ICI with Britain is more representative Technology with German Lurgi.Traditional methanol synthesizing process mostly exists shortcomings such as per pass conversion low (less than 10%) and temperature of reaction be wayward; Tubular quill housing (Shell-and-tube) reactor drum with Lurgi is an example; When 5.0MPa pressure, the methyl alcohol exit concentration is 7.12% (mol); In addition, the quenching formula reactor drum of ICI is under 8.4MPa pressure, and the methyl alcohol exit concentration is 4% (mol).
Yet the commercial process of the methyl alcohol of synthetic gas conversion at present, the per pass conversion of methyl alcohol mostly 10% or below, ubiquity that temperature control is difficult for and the catalyst utilization ratio is low excessively, the reactant gases residence time is too short, makes transformation efficiency to promote.Phase reactor of the prior art is in a reactor drum, to constitute a large-scale reaction compartment, utilizes stirring and the reaction of synthesis gas through carrying out catalyst; Therefore the flow of gas and the particle of catalyst and the homogeneity of stir speed (S.S.) all can have related influence; It is very big that the intensity of variation of condition is related to the good and the bad of transformation efficiency, and the former times of phase reactor knows in the design all only have a response characteristic space; In the application like USP the 5th; Be the typical three-phase reactor drum for 939, No. 350 and use, shown in figure one.Its unstripped gas and catalyst are reflected in the same reaction compartment 1, and the effect of utilizing gas to pass through stirs catalyst and reaction with it.China's Mainland publication number 1446783A patent for example again, as shown in Figure 2, its technical characterictic is mainly done variation with synthetic gas and product methanol gas in the import and export direction of three-phase air flow bed reactor drum 21, and adds recycle pump 22 and different designs of nozzles.As shown in Figure 3, be the interval reactor drum 3 of general single reaction of prior art, the catalyst grains in it will rise along with the gas stirring of sending into, yet generally all need very high gas flow rate just be maintained good homogeneous property.
Summary of the invention
Technical problem to be solved by this invention is to propose a kind of multi-interval reaction device; The reaction interval territory is distinguished into several capacitors; Make reactant gases the time through different chamber; Can obtain different catalytic effects, except increasing the time and contact area that reactant gases contacts with catalyst, make a reactor drum just can reach prior art the device of the catalytic effect that the differential responses device that needs several just can reach.
For realizing above-mentioned purpose; The present invention proposes a kind of reaction unit, its tool one phase reactor, and this reactor drum top is an air flow bed; The below is a slurries foam bed, and this slurries foam bed zone is provided with a plurality of reaction intervals that are separated through a plurality of orifice fitting of this tool.
Preferably, the hole of this orifice fitting can carry the reaction catalyst and synthesis material gas is passed through.
Preferably, the hole of this orifice fitting can be random shape and size.
Preferably, between these a plurality of reaction intervals be the gas passage that a connection designs.
Preferably, these a plurality of reaction intervals have identical inert oil medium.
Preferably, this inert oil medium is a Yellow Protopet 2A.
Preferably, this inert oil medium is a MO.
And for realizing above-mentioned purpose, in another embodiment, the present invention also provides a kind of reaction unit, and it includes: a tower body, have a plurality of reaction intervals in it, and all have an inert oil medium and a catalytic body in this each reaction interval; One cooling body (not shown), it is to be arranged in this tower body; And a gas supply unit, it is arranged at a side of this tower body, and is inner so as to supply synthesis gas to this tower body, through these a plurality of reaction intervals and then form one and contain alcohols gas.
Preferably, these a plurality of reaction intervals are separated by a plurality of orifice fitting.
Preferably, the hole of this orifice fitting can carry the reaction catalyst and synthesis material gas is passed through.
Preferably, the hole of this orifice fitting can be random shape and size.
Preferably, between these a plurality of reaction intervals be the gas passage that a connection designs.
Preferably, these a plurality of reaction intervals have identical inert oil medium.
Preferably, this inert oil medium is a Yellow Protopet 2A.
Preferably, this inert oil medium is a MO.
Preferably, this catalyst system is a metal solvent.
Preferably, this metal solvent system is the copper catalyst.
Preferably, this contains the composition that methyl alcohol is contained in alcohols gas system.
Describe the present invention below in conjunction with accompanying drawing and specific embodiment, but not as to qualification of the present invention.
Description of drawings
Fig. 1 to Fig. 3 is the phase reactor synoptic diagram of prior art;
Fig. 4 is a multiple interval reactor drum synoptic diagram of the present invention;
Fig. 5 is a reaction interval structure configuration schematic diagram of the present invention.
Wherein, Reference numeral:
1: reaction compartment 21: three-phase air flow bed reactor drum
22: recycle pump 3: the interval reactor drum of single reaction
4: multiple interval reactor drum 40: reaction interval
41: reactor drum tower body 42: gas supply unit
421: gas transmission pipeline 43: air flow bed
44: slurries foam bed 45: orifice fitting
46: reaction catalyst 47: hole
Embodiment
Below will describe the present invention for reaching employed technique means of purpose and effect, and the cited embodiment of following accompanying drawing is merely aid illustration, in order to your juror understands, but the technique means of this case is not limited to cited accompanying drawing with reference to the accompanying drawing of enclosing.
See also shown in Figure 4ly, be multiple interval reactor drum synoptic diagram of the present invention.This multiple interval reactor drum will utilize several dividing plates that have hole that the reaction unit tower body is become a plurality of reaction intervals by the interval lattice of single reaction.The structure of reaction unit includes: a tower body 41, have a plurality of reaction intervals 40 in it, and have an inert oil medium and a catalytic body in each reaction interval 40; One cooling body (not shown), it is arranged in this tower body; And a gas supply unit 42, it is arranged at a side of this tower body, and it is inner that this gas supply unit can be supplied synthesis gas to this tower body, forms one through these a plurality of reaction intervals and contain alcohols gas.This contains the composition that methyl alcohol is contained in alcohols gas system.
Multiple interval reactor drum 4 of the present invention; It is a phase reactor; This reactor drum top is an air flow bed 43; The below is a slurries foam bed 44, and these tower body 41 bottoms are provided with a gas transmission pipeline 421 and a gas supply unit 42 is connected, and synthetic gas is passed through in the tower body 41 of gas supply unit 42 inputs and gas coming through transport pipe 421 entering reactor drums.The tower body inside of this tower body 41 is with orifice fitting 45 horizontal cross settings and be fixed on the wall of chamber; These orifice fitting 45 areas are equal to tower body 41 horizontal areas approximately; 45 of each orifice fittings must not have same distance; So can form the reaction interval 40 of any size, the reaction catalyst 46 of equal amts all is set in each reaction interval 40, make the particle that reacts catalyst 46 rise and form and react the homogeneity that catalyst grains distributes with the air-flow stirring of synthetic gas.Be the gas passage that a connection designs between a plurality of reaction intervals 40, make synthetic gas pass through all reaction intervals 40 and get into air flow bed 43 through reaction catalyst 46 reactions rising later.These a plurality of reaction intervals all place in the slurries foam bed 44, and this slurries foam bed 44 is the inert oil medium.This inert oil medium can be Yellow Protopet 2A or MO, but not as limit.
See also Fig. 5 again, be reaction interval structure configuration schematic diagram of the present invention.These each reaction interval 40 tops and bottom all respectively are provided with an orifice fitting 45, and this orifice fitting 45 is removable device.Hole 47 sizes of this top and base apertures panel assembly 45 are for carrying reaction catalyst 46 and can supplying synthesis material gas to pass through; The diameter of the hole 47 of this orifice fitting 45 can be arbitrary dimension design, maybe can serve as reasons to amplify gradually or dwindle design gradually to carry the reaction catalyst 46 of different size or different qualities series toward interior outward.This reaction catalyst 46 is a metal solvent, such as the copper catalyst etc., but not as limit.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the present invention.
Claims (12)
1. reaction unit, it is a phase reactor, and this reactor drum top is an air flow bed, and the below is a slurries foam bed, it is characterized in that: this slurries foam bed zone is provided with a plurality of reaction intervals that are separated through a plurality of orifice fitting of this tool.
2. reaction unit according to claim 1 is characterized in that, the hole of this orifice fitting can carry the reaction catalyst and synthesis material gas is passed through.
3. reaction unit according to claim 1 is characterized in that the hole of this orifice fitting can be random shape and size.
4. reaction unit according to claim 1 is characterized in that, is the gas passage that a connection designs between these a plurality of reaction intervals.
5. reaction unit according to claim 1 is characterized in that, these a plurality of reaction intervals have identical inert oil medium.
6. reaction unit according to claim 5 is characterized in that, this inert oil medium is a Yellow Protopet 2A.
7. reaction unit according to claim 5 is characterized in that, this inert oil medium is a MO.
8. reaction unit according to claim 1 is characterized in that, all has an inert oil medium and a catalytic body in each reaction interval of these a plurality of reaction intervals.
9. reaction unit according to claim 1 is characterized in that, also comprises a gas supply unit, contains alcohols gas to supply synthesis gas these a plurality of reaction intervals of process and then to form one.
10. reaction unit according to claim 8 is characterized in that, this catalytic body is a metal solvent.
11. reaction unit according to claim 10 is characterized in that, this metal solvent is the copper catalyst.
12. reaction unit according to claim 9 is characterized in that, this contains the composition that alcohols gas contains methyl alcohol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103018990A CN101462927B (en) | 2007-12-20 | 2007-12-20 | Multi-interval reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103018990A CN101462927B (en) | 2007-12-20 | 2007-12-20 | Multi-interval reaction device |
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| Publication Number | Publication Date |
|---|---|
| CN101462927A CN101462927A (en) | 2009-06-24 |
| CN101462927B true CN101462927B (en) | 2012-04-04 |
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| CN2007103018990A Active CN101462927B (en) | 2007-12-20 | 2007-12-20 | Multi-interval reaction device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB728543A (en) * | 1952-03-05 | 1955-04-20 | Koppers Gmbh Heinrich | Process for the synthesis of hydrocarbons |
| US6375921B1 (en) * | 1998-09-23 | 2002-04-23 | Degussa Huls A.G. | Bubble column and the use thereof |
| CN1446783A (en) * | 2003-01-28 | 2003-10-08 | 华东理工大学 | Method and device for producing methyl alcohol by using three-phase airflow bed |
| WO2005049194A1 (en) * | 2003-11-20 | 2005-06-02 | Lurgi Ag | Mehtod and reactor for continuously carrying out a chemical multiphase reaction |
| WO2006097904A2 (en) * | 2005-03-17 | 2006-09-21 | Sasol Technology (Proprietary) Limited | Plate-type fluid bed reactor |
-
2007
- 2007-12-20 CN CN2007103018990A patent/CN101462927B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB728543A (en) * | 1952-03-05 | 1955-04-20 | Koppers Gmbh Heinrich | Process for the synthesis of hydrocarbons |
| US6375921B1 (en) * | 1998-09-23 | 2002-04-23 | Degussa Huls A.G. | Bubble column and the use thereof |
| CN1446783A (en) * | 2003-01-28 | 2003-10-08 | 华东理工大学 | Method and device for producing methyl alcohol by using three-phase airflow bed |
| WO2005049194A1 (en) * | 2003-11-20 | 2005-06-02 | Lurgi Ag | Mehtod and reactor for continuously carrying out a chemical multiphase reaction |
| WO2006097904A2 (en) * | 2005-03-17 | 2006-09-21 | Sasol Technology (Proprietary) Limited | Plate-type fluid bed reactor |
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| CN101462927A (en) | 2009-06-24 |
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