CN207478534U - Annular gas distributor and reactor - Google Patents
Annular gas distributor and reactor Download PDFInfo
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- CN207478534U CN207478534U CN201721337522.6U CN201721337522U CN207478534U CN 207478534 U CN207478534 U CN 207478534U CN 201721337522 U CN201721337522 U CN 201721337522U CN 207478534 U CN207478534 U CN 207478534U
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- distributor
- loop configuration
- gas
- reactor
- annular gas
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Abstract
The utility model is related to realize the reactor field of gas-solid phase reaction process, disclose a kind of annular gas distributor and gas-solid phase reaction device.The annular gas distributor includes distributor loop configuration (2) and the inlet channel (1) connected with the distributor loop configuration (2), wherein, the distributor loop configuration (2) is provided with opening up several deflector holes (3), the deflector hole (3) is symmetrical on the both sides of the distributor loop configuration (2) along the axis of the inlet channel (1), and edge is incremented by successively clockwise and counterclockwise respectively since the inlet channel (1) and the distributor loop configuration (2) connectivity part in the aperture of the deflector hole (3) on distributor loop configuration (2) both sides.The annular gas distributor can be such that the gas of injection is uniformly distributed in reactor, while reacting system pressure can be kept to stablize, and carry out reacting balance.
Description
Technical field
The utility model is related to realizing the reactor field of gas-solid phase reaction process, and in particular to a kind of annular gas
Distributor and reactor.
Background technology
Gas-solid fluidized bed and moving bed operation mode are widely used in petrochemical industry and environmental protection industry (epi).These
Gaseous reactant is generally in system, reaction or gaseous mixture are catalyzed one by solid catalyst under higher temperature condition
Determine to be adsorbed by solid adsorbent at temperature.As reduction method remove industrial smoke in oxysulfide and/or nitrogen oxides reduction-
Regenerating section and the oxysulfide in absorption method removing industrial smoke and/or the adsorption-regeneration part of nitrogen oxides.
The process of oxysulfide and/or nitrogen oxides in reduction method or absorption method removing industrial smoke, needs to anti-
It answers and reducibility gas or catalyst promotion gas is passed through in device.Traditional gas injection mode is normally gaseous directly to be noted by gas injection port
Enter, this can be such that the gas of entrance is unevenly distributed in reactor, while larger impact can be caused to reactor pressure, make
React unstable.
The process of gas-solid fluidized bed and moving-burden bed reactor the injection gas of other classes also faces the problem of similary.
Utility model content
The purpose of this utility model is to overcome existing to realize the gas of the reactor of gas-solid phase reaction process
Injection device be easy to cause injection gas and is unevenly distributed in reactor, while larger rush can be caused to reactor pressure
The defects of hitting, making reaction unstable provides a kind of annular gas distributor and gas-solid phase reaction device, the annular gas distributor
It can be according to uninterrupted regulation and control injection gas of the injection gas in circular passage at different location in annular gas distributor
The gas output of upper surface, so as to which the gas for making injection is uniformly spread, when the annular gas distributor is applied to gas-solid phase reaction
During device, especially moving-burden bed reactor or during fluidized-bed reactor can be such that gas is uniformly distributed in reactor, while energy
Enough reacting system pressure is kept to stablize, carry out reacting balance, catalyst does not influence catalyst by being passed through among loop configuration
Flowing.
To achieve these goals, on the one hand the utility model provides a kind of annular gas distributor, the annular gas
Distributor includes distributor loop configuration and the inlet channel connected with the distributor loop configuration, wherein, the distributor
Loop configuration is provided with opening up several deflector holes, and the deflector hole is along the axis of the inlet channel in the distribution
The both sides of device loop configuration are symmetrical, and the aperture of the deflector hole on the distributor loop configuration both sides is from the inlet channel
Start respectively along incremented by successively clockwise and counterclockwise with the distributor loop configuration connectivity part.
Preferably, the deflector hole in the distributor loop configuration is in monocyclic distribution or polycyclic distribution.
Preferably, the aperture of the deflector hole is 1-15 millimeters.
Preferably, in the same side of the axis of the inlet channel, the difference in the aperture of two neighboring deflector hole is 0-3 millis
Rice.
Preferably, in the same side of the axis of the inlet channel, the spacing of two neighboring deflector hole adjacent boundary is 5-
20 millimeters.
The utility model second aspect provides a kind of reactor, and the gas distributor in the reactor is aforementioned cyclic gas
Body distributor.
Preferably, the reactor is fluidized-bed reactor or moving-burden bed reactor.
Through the above technical solutions, the beneficial effects of the utility model are：
(1) by annular gas distributor provided by the utility model according to the stream of gas different location in circular passage
Fast, design size different deflector hole different with pressure can inject gas in annular gas distributor upper surface with Effective Regulation
Gas output, so as to which the gas for making injection is uniformly spread；
(2) can be used for injecting gas into gas-solid phase reactor from annular gas distributor provided by the utility model,
And the gas of injection is made to be uniformly distributed in reactor, is conducive to that reacting system pressure is kept to stablize, carries out reacting balance；
(3) when being applied to gas-solid phase reactor by annular gas distributor provided by the utility model, catalyst is by annular
It is passed through among structure, does not influence the flowing of catalyst.
Description of the drawings
Attached drawing is to be used to provide a further understanding of the present invention, and a part for constitution instruction, and following
Specific embodiment together for explaining the utility model, but do not form the limitation to the utility model.In the accompanying drawings：
Fig. 1 is by the structural representation vertical view of annular gas distributor provided by the utility model.
Reference sign
1st, inlet channel 2, distributor loop configuration 3, deflector hole
Specific embodiment
The endpoint of disclosed range and any value are not limited to the accurate range or value herein, these ranges or
Value should be understood to comprising the value close to these ranges or value.For numberical range, between the endpoint value of each range, respectively
It between the endpoint value of a range and individual point value and can be individually combined with each other between point value and obtain one or more
New numberical range, these numberical ranges should be considered as specific open herein.
In the utility model in the case where not making to illustrate on the contrary, such as " upper and lower " noun of locality used is typically opposite
The practical structures of annular gas distributor in the utility model and limit.
As shown in Figure 1, the utility model first aspect provides a kind of annular gas distributor, the annular gas distributor
The inlet channel 1 connected including distributor loop configuration 2 and with the distributor loop configuration 2, wherein, the distributor annular
Structure 2 is provided with opening up several deflector holes 3, and the deflector hole 3 is along the axis of the inlet channel 1 in the distribution
The both sides of device loop configuration 2 are symmetrical, and the aperture of the deflector hole 3 on 2 both sides of distributor loop configuration is from the air inlet
Channel 1 starts respectively with 2 connectivity part of distributor loop configuration along incremented by successively clockwise and counterclockwise.
According to the utility model, the annular gas distributor be two inlets streamline gas distributor, the distributor
Loop configuration 2 is provided with opening up several deflector holes 3, and gas enters distributor loop configuration 2 from the inlet channel 1,
Then in the sprue of the distributor loop configuration 2 respectively along two-way carry out speed change flowing clockwise and anticlockwise,
Gas in the distributor loop configuration 2 in the inlet channel 1 and 2 connectivity part flow velocity of the distributor loop configuration most
Greatly, thereafter, with the progress that radially shunting is generated at deflector hole 3, gas flow rate constantly reduces along flow path.The deflector hole
The motive force that radially shunting is generated at 3 is that the radial pressure inside and outside 2 runner of distributor loop configuration is poor, due at described point
The flow velocity of gas in cloth device loop configuration 2 constantly reduces along flow path, if opened up in the distributor loop configuration 2
3 aperture of deflector hole is consistent, then is unfavorable for each deflector hole 3 of the gas on the tube wall of loop configuration 2 and realizes equivalent shunting.Cause
This, in the utility model, in order to realize the deflector hole 3 opened up in the distributor loop configuration 2, equivalent shunts, institute
It is symmetrical on the both sides of the distributor loop configuration 2 along the axis of the inlet channel 1 to state deflector hole 3, and described point
It is opened from the inlet channel 1 and 2 connectivity part of distributor loop configuration in the aperture of the deflector hole 3 on 2 both sides of cloth device loop configuration
Beginning, edge respectively is incremented by successively clockwise and counterclockwise, and the aperture of setting deflector hole 3, can suitably increase flow velocity in this way
3 position of deflector hole of smaller section near zone goes out throughput, and suitably reduces near the larger section of flow velocity
3 position of deflector hole in region goes out throughput, thereby compensates for going out reduction of the throughput because of gas flow rate at deflector hole 3
Caused loss, the gas abundance at each deflector hole 3 of Effective Regulation, makes injection gas uniformly spread.
According to the utility model, the distributor loop configuration 2 can be distributor tubular ring structure or distributor ring flat-plate
Shape structure, for amplitude peak reduces gas flow dead zone, and the distributor loop configuration 2 is preferably distributor tubular ring knot
Structure.
According to the utility model, the deflector hole 3 in the distributor loop configuration 2 can be according to the Process Planning of practical application
Mould and design in it is monocyclic distribution or polycyclic distribution.When the deflector hole 3 is in polycyclic distribution, the center of each deflector hole 3 can be divided
Cloth with the center of the distributor loop configuration 2 in concentric circles multiple circumferences on, between adjacent two circumferences
Distance is not particularly limited, as long as can make the opening upwards of the deflector hole 3, for example, two adjacent circumferences
The distance between can be the distributor loop configuration 2 internal diameter 15-35%.
According to the utility model, the aperture of the deflector hole 3 can be according to the annular gas distributor practical application
Process scale carries out selection design, for example, when the annular gas distributor is applied to the technique of pilot-scale, the water conservancy diversion
The aperture in hole 3 can be 1-15 millimeters.
According to the utility model, in the same side of the axis of the inlet channel 1, the aperture of two neighboring deflector hole 3 it
When difference can be according to practical application, the induction air flow ratio at inlet channel 1 in the annular gas distributor is selected, example
Such as, when the induction air flow ratio at the inlet channel 1 in the annular gas distributor is 0.1-2m/s, in the inlet channel 1
Axis the same side, the difference in the aperture of two neighboring deflector hole 3 can be 0-3 millimeters.Preferably, when the annular gas point
When the induction air flow ratio at inlet channel 1 in cloth device is 0.3-0.9m/s, in the same side of the axis of the inlet channel 1, phase
The difference in the aperture of adjacent two deflector holes 3 can be 0.5-1.5 millimeters.
According to the utility model, in the same side of the axis of the inlet channel 1, the spacing of two neighboring deflector hole 3 can
During with according to practical application, the gas distribution density needed for the annular gas distributor is selected, for example, in the air inlet
The same side of the axis of channel 1, the spacing of two neighboring deflector hole 3 can be 5-20 millimeters.
The utility model second aspect provides a kind of reactor, and the gas distributor in the reactor is aforementioned ring-type
Gas distributor.
According to the utility model, the reactor can be the reactor to realize gas-solid phase reaction process, for example, institute
It can be fluidized-bed reactor or moving-burden bed reactor to state reactor.
Annular gas structure of distributor provided by the utility model is simple, easy to use, and it is direct can effectively to solve gas
The problem of injection causes gas to be unevenly distributed in reactor, while injection gas can also be reduced to rushing in reactor
It hits, stablizes reactor pressure, reacting balance carries out.It is not only applicable to by annular gas distributor provided by the utility model
To reducing agent or catalyst promotion gas is injected used in reduction method or absorption method desulphurization denitration technology in circulating fluid bed reactor, also
Suitable for injecting stripping gas to catalyst cracker, it can also be used to be widely used in petrochemical industry production field and field of environment protection
Gas-solid fluid bed and moving-burden bed reactor in gas injection.
It is noted when using annular gas distributor provided by the utility model into fluidized-bed reactor or moving-burden bed reactor
Enter gas go forward side by side promoting the circulation of qi solid phase reaction when, the gas of injection can be made to be uniformly distributed in reactor, while can keep reacting
System pressure is stablized, and carries out reacting balance, and catalyst is catalyzed by being passed through among the distributor loop configuration 2 without influencing
The flowing of agent.
The preferred embodiment of the utility model, still, the utility model and unlimited are described in detail above in association with attached drawing
Detail in the above embodiment, can be to the skill of the utility model in the range of the technology design of the utility model
Art scheme carries out a variety of simple variants, these simple variants belong to the scope of protection of the utility model.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the utility model is to each
The possible combination of kind no longer separately illustrates.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed
The thought of the utility model is carried on the back, should equally be considered as content disclosed in the utility model.
Claims (7)
1. a kind of annular gas distributor, which is characterized in that the annular gas distributor include distributor loop configuration (2) and
The inlet channel (1) connected with the distributor loop configuration (2), wherein, the distributor loop configuration (2) is provided with opening
Several deflector holes (3) upward, the deflector hole (3) is along the axis of the inlet channel (1) in the distributor ring junction
The both sides of structure (2) are symmetrical, and the aperture of the deflector hole (3) on the distributor loop configuration (2) both sides leads to from the air inlet
Road (1) starts respectively with distributor loop configuration (2) connectivity part along incremented by successively clockwise and counterclockwise.
2. annular gas distributor according to claim 1, which is characterized in that on the distributor loop configuration (2)
Deflector hole (3) is in monocyclic distribution or polycyclic distribution.
3. annular gas distributor according to claim 1 or 2, which is characterized in that the aperture of the deflector hole (3) is 1-
15 millimeters.
4. annular gas distributor according to claim 1 or 2, which is characterized in that the axis in the inlet channel (1)
The same side, the difference in the aperture of two neighboring deflector hole (3) is 0-3 millimeters.
5. annular gas distributor according to claim 1 or 2, which is characterized in that the axis in the inlet channel (1)
The same side, the spacing of two neighboring deflector hole (3) adjacent boundary is 5-20 millimeters.
6. a kind of reactor, which is characterized in that the gas distributor in the reactor is any one institute in claim 1-5
The annular gas distributor stated.
7. reactor according to claim 6, which is characterized in that the reactor is anti-for fluidized-bed reactor or moving bed
Answer device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721337522.6U CN207478534U (en) | 2017-10-17 | 2017-10-17 | Annular gas distributor and reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721337522.6U CN207478534U (en) | 2017-10-17 | 2017-10-17 | Annular gas distributor and reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207478534U true CN207478534U (en) | 2018-06-12 |
Family
ID=62480563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721337522.6U Active CN207478534U (en) | 2017-10-17 | 2017-10-17 | Annular gas distributor and reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207478534U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111569693A (en) * | 2020-04-01 | 2020-08-25 | 海洋石油工程股份有限公司 | Device for mixing nitrogen gas and liquid |
| WO2020186937A1 (en) * | 2019-03-18 | 2020-09-24 | 上海卓然工程技术股份有限公司 | Alkane catalytic dehydrogenation reaction device and catalyst regeneration device |
-
2017
- 2017-10-17 CN CN201721337522.6U patent/CN207478534U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020186937A1 (en) * | 2019-03-18 | 2020-09-24 | 上海卓然工程技术股份有限公司 | Alkane catalytic dehydrogenation reaction device and catalyst regeneration device |
| CN111569693A (en) * | 2020-04-01 | 2020-08-25 | 海洋石油工程股份有限公司 | Device for mixing nitrogen gas and liquid |
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