CN207446202U - A kind of fluidized-bed reactor - Google Patents
A kind of fluidized-bed reactor Download PDFInfo
- Publication number
- CN207446202U CN207446202U CN201721465727.2U CN201721465727U CN207446202U CN 207446202 U CN207446202 U CN 207446202U CN 201721465727 U CN201721465727 U CN 201721465727U CN 207446202 U CN207446202 U CN 207446202U
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- gas
- liquid distributor
- support plate
- reactor
- reactor shell
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Abstract
The utility model discloses a kind of fluidized-bed reactors, including reactor shell, breeze way, gas-liquid distributor, support plate, which is hollow cylinder shape, and breeze way is funnel shaped, it is connected with reactor shell lower end, breeze way bottom is equipped with material feeding tube；Support plate is equipped with multiple circular holes, and multiple gas-liquid distributors are fixedly arranged in support plate, and gas-liquid distributor is hollow cylindrical structure, and side wall and top are equipped with multiple random micropores；Circular hole on the bottom and support plate of gas-liquid distributor opening is just affixed；Support plate is fixed in reactor shell bottom, and the top of reactor shell is equipped with catalyst inlet and reacting product outlet, and catalyst outlet is arranged on reactor shell lower part and on gas-liquid distributor.The advantages of the utility model has uniform gas-liquid distribution, and bubble is small, is contacted with catalyst fully, and reaction efficiency is high, significantly improves the conversion ratio of heavy oil feedstock in a fluidized bed reactor.
Description
Technical field
The utility model is related to catalytic reactor, more particularly to a kind of fluidized-bed reactor.
Background technology
Fluidized-bed reactor is a kind of to be suspended using gas or liquid by granular solids layer be in solid particle
The reactor of motion state, promoting the circulation of qi solid phase reaction process of going forward side by side or liquid and solid phase reaction process.Fluidized-bed reactor is in modern industry
In early stage apply the Winkler stove of the coal gasification occurred for the 1920s, but the developing of modern fluid reaction technology,
Using the petroleum catalytic cracking forties as representative.At present, fluidized-bed reactor obtains in departments such as chemical industry, oil, metallurgy, nuclear industry
To extensive use.
Gas or liquid are contacted with catalyst in fluidized-bed reactor, are particularly connect in fluidized-bed reactor with catalyst
Tactile gas or liquid, first passes through gas-liquid distributor and is sufficiently disperseed, and is contacted, carried with the catalyst in fluidisation state
High reaction efficiency.
The reactor that oil refining or chemical process are utilized, is the core of process, and development trend is as far as possible using anti-
The space of device is answered, more loading catalysts realize that the efficiency of oil refining or chemical process maximizes.Gas-liquid distributor is reacting material
It is uniformly distributed in device, reactant and catalyst good contact are give full play to catalyst performance and device even running important
Factor.Material can cause the temperature difference particularly after reactor size enlargement on radial section when being unevenly distributed, very
To hot-spot is present with, the performance of catalyst is damaged, so as to substantially reduce the service life of catalyst and service cycle.Separately
Outside, the rust deposite and dirt carried secretly due to impulse piping and equipment when containing a small amount of impurity in raw material and flowing through system, such as
Fruit is tired out in catalyst bed surface layer, can block circulation passage rapidly, is caused feed distribution uneven, is significantly influenced catalyst
Effect even increases reactor pressure decrease.So the good gas-liquid distributor of effect is reactor operation and industrial process quiet run
An important factor for.
The defects of prior art gas-liquid distributor is：Gas-liquid is unevenly distributed, and bubble is big, insufficient contact with catalyst,
Reaction efficiency is low.
The content of the invention
The purpose of the utility model is to overcome existing gas-liquid distributor gas-liquids to be unevenly distributed, and bubble is big, with catalyst
The problem of insufficient contact, to further improve the space availability ratio of fluidized-bed reactor, improves reaction efficiency, provides a kind of stream
Fluidized bed reactor using novel gas-liquid distributor, the defects of heavy oil feedstock gas-liquid is overcome to be unevenly distributed, improves heavy oil feedstock and exists
Conversion ratio in fluidized-bed reactor.
The purpose of this utility model and its technical problem is solved using following technical scheme to realize.According to this practicality
A kind of fluidized-bed reactor of new proposition, including reactor shell 2, breeze way 6, gas-liquid distributor 4, support plate 7, the reaction
Device cylinder 2 is hollow cylinder shape, and breeze way 6 is funnel shaped, and breeze way 6 is connected with the lower end of reactor shell 2, breeze way
6 bottom is equipped with material feeding tube 5；The support plate 7 is equipped with multiple circular holes, and multiple gas-liquid distributors 4 are fixedly arranged on support plate 7
On, the gas-liquid distributor is hollow cylindrical structure, top seal, bottom opening, and its side wall and top equipped with multiple
Random micropore 10；The diameter of the gas-liquid distributor cross section is equal with the Circularhole diameter in support plate, the gas-liquid distributor
Circular hole on the bottom and support plate of opening is just affixed；
The support plate 7 is fixed in the junction of reactor shell and breeze way；
The top of the reactor shell 2 is equipped with catalyst inlet 1 and reacting product outlet 9, is set inside reactor shell 2
There is catalyst bed 3, catalyst outlet 8 is arranged on reactor shell lower part and on gas-liquid distributor 8；
The height of the gas-liquid distributor 4 is 10~100mm, and interior through being 2~45mm, outer diameter is 3~50mm；Micropore 10
Aperture is 0.1~100 μm.
It the purpose of this utility model and solves its technical problem following technical measures also can be used further to realize.
Foregoing fluidized-bed reactor, wherein, the height of the gas-liquid distributor is 15~60mm, interior through being 4~35mm,
Outer diameter is 6~40mm.
Foregoing fluidized-bed reactor, wherein, the aperture of the micropore 10 is 10~80 μm.
Foregoing fluidized-bed reactor, wherein, the spacing between the gas-liquid distributor is outer not less than gas-liquid distributor
Footpath.
Foregoing fluidized-bed reactor, wherein, it is to be welded to connect between the support plate and reactor shell.
Foregoing fluidized-bed reactor, wherein, the cross section of the reactor shell, support plate, the upper end shape of breeze way
Shape is square or is circle.
By above-mentioned technical proposal, it is with effect the advantages of the utility model：
The advantages of the utility model has uniform gas-liquid distribution, and bubble is small, is contacted with catalyst fully, and reaction efficiency is high,
The defects of heavy oil feedstock gas-liquid is unevenly distributed effectively is overcome, significantly improves turn of heavy oil feedstock in a fluidized bed reactor
Rate.
Above description is only the general introduction of technical solutions of the utility model, in order to better understand the skill of the utility model
Art means, and being practiced according to the content of specification, and in order to allow the utility model above-mentioned advantage and other purposes,
Feature and advantage can be clearer and more comprehensible, and special below to lift preferred embodiment, with reference to attached drawing, detailed description are as follows.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the sectional view of gas-liquid distributor.
【Component symbol explanation】
1：Catalyst inlet 2：Reactor shell 3：Catalyst bed 4：Gas-liquid distributor
5：Material feeding tube 6：Breeze way 7：Support plate 8：Catalyst outlet
9：Reacting product outlet 10：Micropore
Specific embodiment
Further to illustrate that the utility model is to reach the technological means and effect that predetermined goal of the invention taken, below
With reference to attached drawing and preferred embodiment, to according to the utility model proposes a kind of fluidized-bed reactor, specific embodiment, knot
Structure, feature and its effect are described in detail as after.
Embodiment 1
A kind of fluidized-bed reactor, including reactor shell 2, breeze way 6, gas-liquid distributor 4, support plate 7, the reactor
Cylinder 2 is hollow cylinder shape, and breeze way 6 is funnel shaped, and breeze way 6 is connected with the lower end of reactor shell 2, breeze way
6 bottom is equipped with material feeding tube 5；Support plate 7 is equipped with multiple circular holes, and multiple gas-liquid distributors 4 are fixedly arranged in support plate 7,
The gas-liquid distributor is hollow cylindrical structure, top seal, bottom opening, and its side wall and top equipped with uniform micro-
Hole 10；The diameter of gas-liquid distributor cross section is equal with the Circularhole diameter in support plate, the bottom of the gas-liquid distributor opening with
Circular hole in support plate is just affixed；Support plate is welded in reactor shell bottom, specifically positioned at reactor shell and buffering
The junction of section；The top of reactor shell is equipped with catalyst inlet 1 and reacting product outlet 9, and reactor shell 2 is internally provided with
Catalyst bed 3, catalyst outlet 8 are arranged on reactor shell lower part and on gas-liquid distributors 4；Gas-liquid distributor 4
It is highly 10mm, it is interior through being 2mm, outer diameter 3mm；The aperture of micropore is 0.1 μm, and the spacing between gas-liquid distributor is 4mm.
Embodiment 2
The height of gas-liquid distributor is 100mm, interior through being 45mm, outer diameter 50mm；The aperture of micropore is 80 μm, gas-liquid point
Spacing between cloth device is 55mm, the other the same as in Example 1.
Embodiment 3
The height of gas-liquid distributor is 20mm, interior through being 5mm, outer diameter 8mm；The aperture of micropore is 10 μm, gas-liquid distribution
Spacing between device is 10mm, the other the same as in Example 1.
Embodiment 4
The height of gas-liquid distributor is 30mm, interior through being 10mm, outer diameter 13mm；The aperture of micropore is 10 μm, gas-liquid point
Spacing between cloth device is 15mm, the other the same as in Example 1.
Embodiment 5
Reactor shell is hollow cylinder shape, and to be square, the height of gas-liquid distributor is 50mm for cross section, it is interior through for
20mm, outer diameter 25mm；The aperture of micropore is 80 μm, and spacing between gas-liquid distributor is 28mm, the other the same as in Example 1.
Embodiment 6
Reactor shell is hollow cylinder shape, and to be square, the height of gas-liquid distributor is 70mm for cross section, it is interior through for
30mm, outer diameter 33mm；The aperture of micropore is 50 μm, and spacing between gas-liquid distributor is 36mm, the other the same as in Example 1.
Embodiment 7
Reactor shell is hollow cylinder shape, and to be square, the height of gas-liquid distributor is 60mm for cross section, it is interior through for
35mm, outer diameter 40mm；The aperture of micropore is 20 μm, and spacing between gas-liquid distributor is 40mm, the other the same as in Example 1.
Embodiment 8
Reactor shell is hollow cylinder shape, and to be square, the height of gas-liquid distributor is 40mm for cross section, it is interior through for
25mm, outer diameter 30mm；The aperture of micropore is 40 μm, and spacing between gas-liquid distributor is 32mm, the other the same as in Example 1.
The above descriptions are merely preferred embodiments of the present invention, and not the utility model is done in any form
Limitation, any person skilled in the art do not departed from the range of technical solutions of the utility model, utilizes above-mentioned technology
Content makes the embodiment of a little change or modification, in the range of still falling within technical solutions of the utility model.
Claims (6)
1. a kind of fluidized-bed reactor, it is characterised in that including reactor shell (2), breeze way (6), gas-liquid distributor (4), branch
Fagging (7), the reactor shell (2) are hollow cylinder shape, and breeze way (6) is funnel shaped, breeze way (6) and reactor cylinder
The lower end connection of body (2), the bottom of breeze way (6) are equipped with material feeding tube (5)；The support plate (7) is equipped with multiple circular holes,
Multiple gas-liquid distributors (4) are fixedly arranged in support plate (7), the gas-liquid distributor be hollow cylindrical structure, top seal,
Bottom opening, and its side wall and top are equipped with multiple random micropores (10)；The diameter and branch of the gas-liquid distributor cross section
Circularhole diameter on fagging is equal, and the circular hole on the bottom and support plate of the gas-liquid distributor opening is just affixed；
The support plate (7) is fixed in the junction of reactor shell and breeze way；
The top of the reactor shell (2) is equipped with catalyst inlet (1) and reacting product outlet (9), and reactor shell (2) is interior
Portion is equipped with catalyst bed (3), and catalyst outlet (8) is arranged on reactor shell lower part and on gas-liquid distributor (4)；
The height of the gas-liquid distributor (4) is 10~100mm, and interior through being 2~45mm, outer diameter is 3~50mm；Micropore (10)
Aperture is 0.1~100 μm.
2. fluidized-bed reactor as described in claim 1, it is characterised in that the height of the gas-liquid distributor (4) for 15~
60mm, interior through being 4~35mm, outer diameter is 6~40mm.
3. fluidized-bed reactor as described in claim 1, it is characterised in that the aperture of the micropore (10) is 10~80 μm.
4. fluidized-bed reactor as described in claim 1, it is characterised in that the spacing between the gas-liquid distributor is not less than
The outer diameter of gas-liquid distributor.
5. fluidized-bed reactor as described in claim 1, it is characterised in that be weldering between the support plate and reactor shell
It connects in succession.
6. fluidized-bed reactor as described in claim 1, it is characterised in that the cross section of the reactor shell, support plate,
The upper end shape of breeze way is square or circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721465727.2U CN207446202U (en) | 2017-11-06 | 2017-11-06 | A kind of fluidized-bed reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721465727.2U CN207446202U (en) | 2017-11-06 | 2017-11-06 | A kind of fluidized-bed reactor |
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| Publication Number | Publication Date |
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| CN207446202U true CN207446202U (en) | 2018-06-05 |
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| CN201721465727.2U Active CN207446202U (en) | 2017-11-06 | 2017-11-06 | A kind of fluidized-bed reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110496573A (en) * | 2019-09-11 | 2019-11-26 | 哈尔滨理工大学 | A kind of dock fluidized-bed reactor |
-
2017
- 2017-11-06 CN CN201721465727.2U patent/CN207446202U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110496573A (en) * | 2019-09-11 | 2019-11-26 | 哈尔滨理工大学 | A kind of dock fluidized-bed reactor |
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