CN203291833U - Fischer-Tropsch synthesis three-phase slurry bed and reactor thereof - Google Patents
Fischer-Tropsch synthesis three-phase slurry bed and reactor thereof Download PDFInfo
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- CN203291833U CN203291833U CN2013203387074U CN201320338707U CN203291833U CN 203291833 U CN203291833 U CN 203291833U CN 2013203387074 U CN2013203387074 U CN 2013203387074U CN 201320338707 U CN201320338707 U CN 201320338707U CN 203291833 U CN203291833 U CN 203291833U
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Abstract
The utility model discloses a Fischer-Tropsch synthesis three-phase slurry bed and a reactor thereof. The Fischer-Tropsch synthesis three-phase slurry bed reactor comprises a reactor shell (1) and an incoming gas distributor (30) arranged at the bottom of the reactor shell (10), wherein a make-up gas distributor (20) is arranged on the side wall of the reactor shell (10); and the make-up gas distributor (20) comprises a gas inlet pipe (21) passing through the side wall of the reactor shell (10). According to the Fischer-Tropsch synthesis three-phase slurry bed and the reactor thereof disclosed by the utility model, a gas can be supplemented to the reactor, a catalyst can be prevented from forming a lean-phase zone, and the reaction rate of the reactor is improved.
Description
Technical field
The utility model relates to the synthetic field of Fischer-Tropsch, in particular to the synthetic three phase slurry bed of a kind of Fischer-Tropsch and reactor thereof.
Background technology
The Fischer-Tropsch synthesis device is the core reaction device of artificial oil technology, the three phase slurry bed bioreactor that at present both at home and abroad extensively employing can voluminous hydrocarbon product.The advantages such as Fischer-Tropsch synthetic pulp state bed accessory has evenly easily control of temperature, gas speed opereating specification is wide, the product alpha value is high, catalyst can be replaced online.In three phase slurry bed, dispersed being difficult to of gas phase controlled, and the dispersion remote-effects liquid phase of gas phase and catalyst granules phase is dispersed, starches in the past that the research of state bed wishes that optimizing air inlet distributor by employing reaches gas in the more uniform purpose of radial distribution.
Chinese patent ZL201010174635.5 discloses a kind of paste state bed reactor feed distributor, this distributor consists of Multilayer distributor, be a plurality of circular distribution pipe of each layer air feed by main air inlet pipe and radial arm, the part position of circular distribution pipe and arm has a plurality of downward spouts, nozzle area is arranged with surrounding edge outward, and surrounding edge is reduced to below 10m/s spout gas speed.
Chinese patent ZL03152229.1 discloses a kind of gas distributor for three phase slurry bed, this distributor is the gas distribution tube air feed by the bottom air chamber of false plate structure by many vapor risers, distributor pipe is equipped with a plurality of nozzles that Open Side Down, prevents catalyst precipitation.
Chinese patent ZL200720066902.0 discloses a kind of bottom air chamber air feed by clashing into board structure, and gas enters the gas distributor of the porous gas allocation member of oriented under shed to the even gas distribution of bed by wireway.
The above-mentioned gas distributor all is placed in bed bottom, and for fear of catalyst sedimentation and Open Side Down with air inlet, axially can't avoid shrinking because of the gaseous phase volume that reaction causes the problem that reaction rate then reduces.In addition, Fischer-Tropsch synthesis is the reaction of volume contraction, reach 20～40% by gaseous phase volume shrinkage factor after bed, in the cylindricality paste state bed reactor with highly rising, gaseous phase volume is shunk, and the bed gas holdup descends with the rising of bed height, and then affects the suspension of catalyst granules, form the catalyst dilute-phase zone, reaction rate reduces.
The utility model content
The utility model aims to provide the synthetic three phase slurry bed of a kind of Fischer-Tropsch and reactor thereof, can give the reactor make-up gas, prevents that catalyst from forming dilute-phase zone, improves the reaction rate of reactor.
To achieve these goals, according to an aspect of the present utility model, provide a kind of Fischer-Tropsch to synthesize the three phase slurry bed bioreactor, comprise reactor shell and the air inlet distributor that is arranged on this reactor shell bottom, be provided with the make-up gas distributor on the sidewall of reactor shell, the make-up gas distributor comprises the outer air inlet pipe of sidewall that passes reactor shell.
Further, the make-up gas distributor is a plurality of, and a plurality of make-up gas distributors are positioned on the sustained height of reactor shell, and circumferentially being evenly arranged along the sidewall of reactor shell.
Further, air inlet pipe comprises main road pipeline and bypass line, and the main road pipeline has the air inlet section that is positioned at the reactor enclosure external body and is positioned at the dispensing section of reactor shell inside, and bypass line is arranged on dispensing section and with dispensing section and communicates.
Further, bypass line is many, many bypass line along the dispensing section of main road pipeline axially successively evenly interval arrange, and many bypass line all are in same plane.
Further, it is many to bypass line pair that many bypass line form, and every pair of bypass line is symmetrical to the central axis about the main road pipeline.
Further, many direction of the right duct length of bypass line along the sidewall from reactor shell to center shortened successively.
Further, the cross section of reactor shell is annular, many to bypass line to being the arcuate structure that extends along the circumferencial direction of reactor shell, the arc core of arcuate structure is positioned on the central axis of reactor shell.
Further, the make-up gas distributor is provided with or equally distributed a plurality of venthole on the top of opening orientating reaction device housing.
Further, the bottom of the gas outlet orientating reaction device housing of air inlet distributor.
Further, the make-up gas distributor to the distance of reactor shell bottom be reactor shell height 1/5～4/5.
According on the other hand of the present utility model, provide a kind of Fischer-Tropsch to synthesize three phase slurry bed, comprise that Fischer-Tropsch synthesizes the three phase slurry bed bioreactor, the synthetic three phase slurry bed bioreactor of Fischer-Tropsch is the above-mentioned synthetic three phase slurry bed bioreactor of Fischer-Tropsch.
The application the technical solution of the utility model, the synthetic three phase slurry bed bioreactor of Fischer-Tropsch comprises reactor shell and is arranged on the air inlet distributor of this reactor shell bottom, be provided with the make-up gas distributor on the sidewall of reactor shell, the make-up gas distributor comprises the outer air inlet pipe of sidewall that passes reactor shell.Three phase slurry bed bioreactor synthetic according to Fischer-Tropsch of the present utility model, the air inlet pipe of make-up gas distributor passes outside the sidewall of reactor shell, can be from the synthetic three phase slurry bed bioreactor make-up gas of the export-oriented Fischer-Tropsch of sidewall, can effectively avoid catalyst precipitation, prevent from forming the catalyst dilute-phase zone, in addition, the supplementary gas content that can also improve the synthetic three phase slurry bed bioreactor upper strata of Fischer-Tropsch of gas, and then improve Fischer-Tropsch and synthesize reaction rate and the enterprises production efficiency of three phase slurry bed bioreactor.
Description of drawings
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the front view according to the synthetic three phase slurry bed bioreactor of Fischer-Tropsch of the present utility model;
Fig. 2 shows the front view according to make-up gas distributor of the present utility model; And
Fig. 3 shows the profile according to the synthetic three phase slurry bed bioreactor of Fischer-Tropsch of the present utility model.
The structure that in accompanying drawing, each label represents is as follows:
10, reactor shell; 30, air inlet distributor; 20, make-up gas distributor; 21, air inlet pipe; 211, main road pipeline; 212, bypass line; 2111, air inlet section; 2112, dispensing section; 2121, venthole; 22, bypass line pair.
The specific embodiment
Hereinafter with reference to accompanying drawing, also describe in conjunction with the embodiments the utility model in detail.Need to prove, in the situation that do not conflict, embodiment and the feature in embodiment in the application can make up mutually.
According to embodiment of the present utility model, extremely shown in Figure 3 referring to Fig. 1, the synthetic three phase slurry bed bioreactor of Fischer-Tropsch comprises reactor shell 10 and is arranged on the air inlet distributor 30 of these reactor shell 10 bottoms, be provided with make-up gas distributor 20 on the sidewall of reactor shell 10, make-up gas distributor 20 comprises the outer air inlet pipe 21 of sidewall that passes reactor shell 10.Three phase slurry bed bioreactor synthetic according to Fischer-Tropsch of the present utility model, the air inlet pipe 21 of make-up gas distributor 20 passes outside the sidewall of reactor shell 10, can be from the synthetic three phase slurry bed bioreactor make-up gas of the export-oriented Fischer-Tropsch of sidewall, can effectively avoid catalyst precipitation, prevent from forming the catalyst dilute-phase zone, in addition, the supplementary gas content that can also improve the synthetic three phase slurry bed bioreactor upper strata of Fischer-Tropsch of gas, and then improve Fischer-Tropsch and synthesize reaction rate and the enterprises production efficiency of three phase slurry bed bioreactor.
Preferably, make-up gas distributor 20 is a plurality of, and a plurality of make-up gas distributors 20 are positioned on the sustained height of reactor shell 10, and circumferentially being evenly arranged along the sidewall of reactor shell 10.Air inlet pipe 21 comprises main road pipeline 211 and bypass line 212, main road pipeline 211 has the air inlet section 2111 that is positioned at reactor shell 10 outsides and the dispensing section 2112 that is positioned at reactor shell 10 inside, and bypass line 212 is arranged on dispensing section 2112 and with dispensing section 2112 and communicates.Be provided with one or equally distributed a plurality of venthole 2121 on the top of opening orientating reaction device housing 10 on make-up gas distributor 20.In the present embodiment, a plurality of make-up gas distributors 20 are arranged on the sustained height of reactor shell 10, can supplement uniform gas to the synthetic three phase slurry bed bioreactor of Fischer-Tropsch, avoid the appearance of the reaction inequality that causes because gas make-up is inhomogeneous and the inconsistent situation of reaction rate.in addition, venthole 2121 is arranged on equably on bypass line 212 and is opening up, and the aperture of venthole 2121 is 1～3mm, the percent opening of make-up gas distributor 20 is as the criterion by air pressure, to fall 0.5～1.5bar, be distributed on the one hand the inside of reactor shell 10 with can guaranteeing the gas uniform that passes into from reactor shell 10 outsides, on the other hand, the direction that gas enters the synthetic three phase slurry bed bioreactor of Fischer-Tropsch keeps up, be different from the design that Open Side Down of common slurry state bed distributor, this of the present embodiment kind of design is conducive to avoid the coalescence of bubble in distributing gas and bed and the precipitation of catalyst again, guarantee the reaction rate on the synthetic three phase slurry bed bioreactor of Fischer-Tropsch axially.In the present embodiment, the bottom of the gas outlet orientating reaction device housing 10 of air inlet distributor 30, guaranteed the reaction rate that the footpath of whole reactor makes progress.And in fact; a plurality of make-up gas distributors 20 are a kind of preferred mode in the present embodiment; make-up gas distributor 20 of the present utility model can be also one, as long as can supplement the structure of uniform gas all within the protection domain of utility model for the synthetic three phase slurry bed bioreactor of Fischer-Tropsch.
Refer again to shown in Figure 3ly, bypass line 212 of the present utility model is many, many bypass line 212 along the dispensing section 2112 of main road pipeline 211 axially successively evenly interval arrange, and many bypass line 212 all are in same plane.In the present embodiment, the gas that main road pipeline 211 passes into can be assigned in bypass line 212 equably, thereby enter reactor shell 10 with can guaranteeing the gas uniform that supplements, guarantee that many bypass line 212 are in same plane and can guarantee that the synthetic distribution of gas of three phase slurry bed bioreactor on same bed of whole Fischer-Tropsch is even, not only can effectively prevent catalyst precipitation like this, but also can strengthen the utilization rate of bed, improve the reaction rate of the synthetic three phase slurry bed bioreactor of Fischer-Tropsch.
Preferably, many bypass line 212 form many to bypass line to 22, every pair of bypass line is symmetrical to 22 central axis about main road pipeline 211.And, many bypass line is shortened successively to 22 the duct length direction along the sidewall from reactor shell 10 to center.More preferably, the cross section of reactor shell 10 is annular, and many is that the arc core of arcuate structure is positioned on the central axis of reactor shell 10 along the arcuate structure of the circumferencial direction extension of reactor shell 10 to bypass line to 22.Like this, when a plurality of make-up gas distributors 20 are positioned on the sustained height of reactor shell 10, and after circumferentially being evenly arranged along the sidewall of reactor shell 10, a plurality of bypass line form a plurality of circles with same center of circle to 22, this kind structure is distributed in the synthetic three phase slurry bed bioreactor of Fischer-Tropsch with can more effectively guaranteeing the gas uniform that passes into from the outside of reactor shell 10, thereby prevent the precipitation of catalyst, reaction rate on raising reactor shell 10 is axial, can also guarantee that Fischer-Tropsch synthesizes the utilization rate of the high level of three phase slurry bed bioreactor simultaneously.
Preferably, make-up gas distributor 20 to the distance of reactor shell 10 bottoms be reactor shell 10 height 1/5～4/5.Make-up gas distributor 20 is set is conducive to offset that gas volume shrinks, the bed gas holdup reduces because reaction causes on this position, and then the catalyst sedimentation that causes, bed reaction efficiency situation about reducing.When to make-up gas distributor 20, passing into gas, can be in time to the synthetic three phase slurry bed bioreactor make-up gas of Fischer-Tropsch, avoid the synthetic three phase slurry bed bioreactor bottom reaction of Yin Feituo and cause the high-rise gaseous phase volume of the synthetic three phase slurry bed bioreactor of Fischer-Tropsch to be shunk, then reduce the problem of reaction rate.
In the above-described embodiments, the gas that is used in make-up gas distributor 20 can be that new raw material gas can be also circulating air.
According on the other hand of the present utility model, the synthetic three phase slurry bed of Fischer-Tropsch comprises that Fischer-Tropsch synthesizes the three phase slurry bed bioreactor, and the synthetic three phase slurry bed bioreactor of the Fischer-Tropsch here is the above-mentioned synthetic three phase slurry bed bioreactor of Fischer-Tropsch.Three phase slurry bed synthetic according to the Fischer-Tropsch of the present embodiment, can effectively avoid catalyst precipitation, prevents from forming the catalyst dilute-phase zone, and in addition, the supplementary reaction rate that can also improve the synthetic three phase slurry bed bioreactor of Fischer-Tropsch of gas, improve enterprises production efficiency.
From above description, can find out, the utility model the above embodiments have realized following technique effect: the synthetic three phase slurry bed bioreactor of Fischer-Tropsch comprises reactor shell and is arranged on the air inlet distributor of this reactor shell bottom, be provided with the make-up gas distributor on the sidewall of reactor shell, the make-up gas distributor comprises the outer air inlet pipe of sidewall that passes reactor shell.Three phase slurry bed bioreactor synthetic according to Fischer-Tropsch of the present utility model, the air inlet pipe of make-up gas distributor passes outside the sidewall of reactor shell, can be from the synthetic three phase slurry bed bioreactor make-up gas of the export-oriented Fischer-Tropsch of sidewall, can effectively avoid catalyst precipitation, prevent from forming the catalyst dilute-phase zone, in addition, the supplementary gas content that can also improve the synthetic three phase slurry bed bioreactor upper strata of Fischer-Tropsch of gas, and then improve Fischer-Tropsch and synthesize reaction rate and the enterprises production efficiency of three phase slurry bed bioreactor.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (11)
1. a Fischer-Tropsch synthesizes the three phase slurry bed bioreactor, comprise reactor shell (10) and be arranged on the air inlet distributor (30) of this reactor shell (10) bottom, it is characterized in that, be provided with make-up gas distributor (20) on the sidewall of described reactor shell (10), described make-up gas distributor (20) comprises the outer air inlet pipe (21) of sidewall that passes described reactor shell (10).
2. Fischer-Tropsch according to claim 1 synthesizes the three phase slurry bed bioreactor, it is characterized in that, described make-up gas distributor (20) is a plurality of, a plurality of described make-up gas distributors (20) are positioned on the sustained height of described reactor shell (10), and circumferentially being evenly arranged along the sidewall of described reactor shell (10).
3. Fischer-Tropsch according to claim 1 and 2 synthesizes the three phase slurry bed bioreactor, it is characterized in that, described air inlet pipe (21) comprises main road pipeline (211) and bypass line (212), described main road pipeline (211) has the dispensing section (2112) that is positioned at the outside air inlet section (2111) of described reactor shell (10) and is positioned at described reactor shell (10) inside, and described bypass line (212) is arranged on described dispensing section (2112) upward and with described dispensing section (2112), communicates.
4. Fischer-Tropsch according to claim 3 synthesizes the three phase slurry bed bioreactor, it is characterized in that, described bypass line (212) is many, many described bypass line (212) along the dispensing section (2112) of described main road pipeline (211) axially successively evenly interval arrange, and many described bypass line (212) all are in same plane.
5. Fischer-Tropsch according to claim 4 synthesizes the three phase slurry bed bioreactor, it is characterized in that, many described bypass line (212) form many to bypass line to (22), every pair of described bypass line is symmetrical about the central axis of described main road pipeline (211) to (22).
6. the synthetic three phase slurry bed bioreactor of Fischer-Tropsch according to claim 5, is characterized in that, many duct length direction along sidewall from described reactor shell (10) to center of described bypass line to (22) shortened successively.
7. Fischer-Tropsch according to claim 6 synthesizes the three phase slurry bed bioreactor, it is characterized in that, the cross section of described reactor shell (10) is annular, many is that the arc core of described arcuate structure is positioned on the central axis of described reactor shell (10) along the arcuate structure of the circumferencial direction extension of described reactor shell (10) to described bypass line to (22).
8. the synthetic three phase slurry bed bioreactor of Fischer-Tropsch according to claim 1, is characterized in that, described make-up gas distributor (20) is provided with one or the equally distributed a plurality of venthole (2121) of opening towards the top of described reactor shell (10).
9. the synthetic three phase slurry bed bioreactor of Fischer-Tropsch according to claim 1, is characterized in that, the gas outlet of described air inlet distributor (30) is towards the bottom of described reactor shell (10).
10. the synthetic three phase slurry bed bioreactor of Fischer-Tropsch according to claim 1, is characterized in that, described make-up gas distributor (20) to the distance bottom described reactor shell (10) be described reactor shell (10) height 1/5～4/5.
11. the synthetic three phase slurry bed of Fischer-Tropsch, comprise that Fischer-Tropsch synthesizes the three phase slurry bed bioreactor, it is characterized in that, the synthetic three phase slurry bed bioreactor of described Fischer-Tropsch is the synthetic three phase slurry bed bioreactor of the described Fischer-Tropsch of any one in claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203387074U CN203291833U (en) | 2013-06-13 | 2013-06-13 | Fischer-Tropsch synthesis three-phase slurry bed and reactor thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203387074U CN203291833U (en) | 2013-06-13 | 2013-06-13 | Fischer-Tropsch synthesis three-phase slurry bed and reactor thereof |
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| CN203291833U true CN203291833U (en) | 2013-11-20 |
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| CN2013203387074U Withdrawn - After Issue CN203291833U (en) | 2013-06-13 | 2013-06-13 | Fischer-Tropsch synthesis three-phase slurry bed and reactor thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103285784A (en) * | 2013-06-13 | 2013-09-11 | 神华集团有限责任公司 | Fischer-Tropsch synthesis three-phase slurry bed and Fischer-Tropsch synthesis three-phase slurry bed reactor |
| CN108905904A (en) * | 2018-09-05 | 2018-11-30 | 上海兖矿能源科技研发有限公司 | A kind of gas distributor for Fischer-Tropsch synthesis device |
| CN114225844A (en) * | 2021-11-11 | 2022-03-25 | 华南理工大学 | Multistage slurry bed reactor and working method thereof |
-
2013
- 2013-06-13 CN CN2013203387074U patent/CN203291833U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103285784A (en) * | 2013-06-13 | 2013-09-11 | 神华集团有限责任公司 | Fischer-Tropsch synthesis three-phase slurry bed and Fischer-Tropsch synthesis three-phase slurry bed reactor |
| CN103285784B (en) * | 2013-06-13 | 2016-03-23 | 神华集团有限责任公司 | F-T synthesis three phase slurry bed and reactor thereof |
| CN108905904A (en) * | 2018-09-05 | 2018-11-30 | 上海兖矿能源科技研发有限公司 | A kind of gas distributor for Fischer-Tropsch synthesis device |
| CN114225844A (en) * | 2021-11-11 | 2022-03-25 | 华南理工大学 | Multistage slurry bed reactor and working method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131120 Effective date of abandoning: 20160323 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |