CN105944630A - Gas distributor and gas distribution system comprising gas distributor - Google Patents
Gas distributor and gas distribution system comprising gas distributor Download PDFInfo
- Publication number
- CN105944630A CN105944630A CN201610465461.5A CN201610465461A CN105944630A CN 105944630 A CN105944630 A CN 105944630A CN 201610465461 A CN201610465461 A CN 201610465461A CN 105944630 A CN105944630 A CN 105944630A
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- gas
- distributor
- corrugated plate
- gas distributor
- corrugated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
- B01J8/20—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium
- B01J8/22—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles with liquid as a fluidising medium gas being introduced into the liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/008—Details of the reactor or of the particulate material; Processes to increase or to retard the rate of reaction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00796—Details of the reactor or of the particulate material
- B01J2208/00938—Flow distribution elements
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
The invention provides a gas distributor and a gas distribution system comprising the gas distributor. The gas distributor comprises at least one gas distribution disc; the gas distribution disc is of a disc type structure formed by assembling a plurality of corrugated sheets; corrugated edges of the corrugated sheets are not arranged along the vertical direction; and the inclining directions of the corrugated edges of the two adjacent corrugated sheets are opposite. According to the gas distributor provided by the invention, on one hand, air bubbles with different sizes flow through the gas distributor to from small air bubbles with similar sizes and then the small air bubbles are uniformly distributed on the whole cross section of the equipment, so that the mass transferring speed can be easily improved and the gas distributor provided by the invention has the advantages of uniform air bubble size, uniform distribution and large distribution area; and on the other hand, parameters including the composition, temperature, flow speed and the like of fluid are prone to be consistent in the radial direction of mass transferring equipment, so that the back-mixing the fluid is even avoided.
Description
Technical field
The present invention relates to technical field of chemical, particularly relate to a kind of Novel air that can be used for bubble tower
Body distributor and comprise the gas distributed system of this gas distributor.
Background technology
In the commercial production such as petrochemical industry, Coal Chemical Industry, with liquid phase as continuous phase, gas phase is as dispersion phase
Gas-liquid two-phase or gas-liquid-solid phase reaction device be the important mass transfer apparatus of a class.In such devices,
Gas can be made by being suspended with the liquid level of solid fine grain thus to realize gas-liquid-solid three-phase anti-with bubbling form
Answer the paste state bed reactor of process with its simple in construction, dispersion effect uniformly, transmit functional, behaviour
The advantages such as work is convenient are of increased attention, the most in recent years raw with synthesis gas for raw material
Production fluid state and the fischer-tropsch reaction of solid hydrocarbons, with xylol for techniques such as Material synthesis p-phthalic acids
The success of middle industrialization shows the paste state bed reactor great potential at petrochemical industry.Slurry
Hydrodynamics characteristic in state bed reactor, such as flow pattern, gas holdup, Air Bubble Size and distribution, bubble
The time of staying etc. in the liquid phase, all directly affect the hereditary property of inside reactor, and determine above-mentioned
The reactor parts of characteristic of fluid is undoubtedly gas distributor.
At present, the gas distributor of domestic main flow can be divided into four kinds of structures: board-like, tubular type, bubble-cap type
And nozzle-type, although above-mentioned existing gas distributor is capable of the uniform of gas to a certain extent
Distribution, but their common drawback is, gas being uniformly distributed in the whole vertical space of reactor
Area is less, and Air Bubble Size differs, and thus causes that reactor center bubble is many and periphery bubble is few,
The most also can cause the serious back-mixing of liquid phase or liquid-solid phase, cause reactant liquor and the catalytic model of gas
Enclose and diminish, reduce reaction efficiency.Therefore, research and development one can be by equal sized by gas transition
One, the minute bubbles that are evenly distributed also are provided that more gas distribution area, the most also can avoid liquid phase
The new gas distributor of back-mixing, is still that the technical barrier that those skilled in the art are urgently to be resolved hurrily.
Summary of the invention
Present invention solves the technical problem that and be to overcome the Air Bubble Size existing for existing gas distributor
Differ, skewness and bubble distribution area is less, easily cause the defect of backmixing of liquid phase, and then
There is provided a kind of and obtain size is homogeneous, be evenly distributed minute bubbles and bubble distribution area is big, can keep away
The gas distributor exempting from the novel structure of backmixing of liquid phase and the gas comprising this gas distributor distribution are
System.
To this end, the technical scheme that the present invention realizes above-mentioned purpose is:
A kind of gas distributor, including at least one gas distributing disc, if described gas distributing disc be by
The tray type structure that dry corrugated plate assembles, the ripple rib of described corrugated plate is the most vertically arranged, phase
The incline direction of the ripple rib of adjacent two described corrugated plates is contrary.
The crest height of described corrugated plate is 4～20mm；The angle, corrugated of described corrugated plate is 70～90 °；
The inclination angle of described corrugated plate is 25～50 °, and described inclination angle refers to ripple rib and the vertically side of described corrugated plate
To angle.
Being provided with through hole on described corrugated plate, the percent opening of described through hole is 3～15%.
Described through hole is the circular hole of diameter 3～5mm, or described through hole is (5～7) mm × (2～3)
The oblong aperture of mm.
The material of corrugated plate can be various metal and alloy, plastics, pottery, when using metal and alloy
Time, the thickness of corrugated plate is generally 0.2mm.
The height of described gas distributing disc is 150～350mm.
Described gas distributor is assembled by upper and lower two described gas distributing discs, said two gas
Described corrugated plate in distributing disc is orthogonal.
A kind of gas distributed system comprising above-mentioned gas distributor, including, depend on along gas flow direction
The gas pre-distributor of secondary setting and described gas distributor；Adjacent two of described gas pre-distributor
The height H of the described gas distributing disc in distance D between gas outlet and described gas distributor and
Following relation is met: H × tg α≤D≤2 × H × tg α between the inclination alpha of described corrugated plate.
Distance between described gas pre-distributor and described gas distributor is less than 300mm.
Described gas distributed system also includes gas redistributor, the structure of described gas redistributor with
The structure of described gas distributor is identical.
Distance between described gas distributor and described gas redistributor is 1～4m, is preferably
1.5～3m；
When described gas redistributor is two or more, adjacent two described gas redistributor it
Between distance be 1～4m, preferably 1.5～3m.
The technique scheme of the present invention has the advantage that
1, gas distributor of the present invention includes gas distributing disc, and this gas distributing disc is by some
The tray type structure that corrugated plate assembles, the ripple rib of corrugated plate is the most vertically arranged, and adjacent two
The incline direction of the ripple rib of individual corrugated plate is contrary, thus can make adjacent two ripples in gas distributor
The fluid passage of sheet is interlaced, thus is conducive to the fluid flowed in the channel to mix continuously,
So on the one hand, bubble not of uniform size can be made to become close stingy of size after gas coming through distributor
Bubble, and be distributed evenly on the whole cross section of equipment, be conducive to improving mass transfer rate, namely
It is that the gas distributor of the present invention has that Air Bubble Size is homogeneous, is evenly distributed and advantage that distribution area is big,
On the other hand may additionally facilitate the parameters such as the composition of fluid, temperature, flow velocity radially to tend at mass transfer apparatus
Unanimously, to reduce the back-mixing even avoiding fluid.
2, in the gas distributor of the present invention, the inclination angle of corrugated plate is the least, and gas is through gas distributor
The bubble formed after distribution is the least at equipment distribution area radially, and in order to as much as possible
Obtaining the minute bubbles that distribution area is big, the present invention limits the inclination angle of corrugated plate as 25～50 °.It addition, this
The gas distributor of invention is under conditions of angle, corrugated is certain, and the crest height of corrugated plate is the biggest so that
The sectional area of the fluid course formed by adjacent corrugated is the biggest, thus causes formed bubble size also
The biggest, but resistance is the least, between the resistance faced when therefore producing by balance bubble and its size
Contradictory relation, the present invention further define the crest height of corrugated plate be 4～20mm, angle, corrugated be
70～90 °.
3, gas distributor of the present invention is by arranging through hole on its corrugated plate, can make corrugated plate
When there is pressure differential or current difference in the fluid of both sides, the fluid of pressure or the higher side of flow velocity can pass through
Through hole automatic stream pressure on corrugated plate or the relatively low side of flow velocity, thus eliminate above-mentioned pressure differential or
Current difference, to reduce the back-mixing of liquid phase further, improves mass-transfer efficiency.
4, gas distributor of the present invention is assembled by upper and lower two gas distributing discs, and this two
Corrugated plate in individual gas distributing disc is orthogonal, so can make after the gas distributing disc of lower section is distributed
Bubble be again introduced in the gas distributing disc of top realizing the quadratic distribution of bubble, thus be more beneficial for
Size is homogeneous in generation, be evenly distributed minute bubbles and the distribution area of bubble are the most extensive.
5, gas distributed system of the present invention, by setting gradually gas on the flow direction of gas
Distance D between body pre-distributor and gas distributor, and the adjacent Liang Ge gas outlet of gas pre-distributor
And meet H × tg α between the height H of the gas distributing disc in gas distributor and the inclination alpha of corrugated plate
≤ D≤2 × H × tg α, so that the gas entering mass transfer apparatus is first scattered in greatly through gas pre-distributor
Little differ, bubble pockety, these bubbles enter back in above-mentioned gas distributor, thus quilt
It is scattered in size minute bubbles homogeneous, that be evenly distributed on whole equipment cross section.
Further, when the liquid phase height above gas distributor is bigger, it is distributed through gas distributor
The minute bubbles of rear acquisition can constantly occur coalescence in uphill process so that minute bubbles become air pocket,
And the rate of climb of air pocket is fast, the minute bubbles rate of climb is slow, and such bubble is the most constantly in equipment
The heart is gathered, and causes the distribution of the gas on equipment cross section to become uneven, and exacerbates liquid phase or containing solid
The back-mixing of the liquid phase of body, is now accomplished by arranging again and one or more has identical knot with gas distributor
The gas redistributor of structure, the distance between adjacent two gas redistributor is 1～4m, is preferably
1.5～3m, such gas is subdivided after cloth device redistributes, become again that size is homogeneous, distribution all
Even minute bubbles, thus realize the bubble homogenization in whole equipment.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, under
The accompanying drawing used required in detailed description of the invention or description of the prior art will be briefly described by face,
It should be evident that the accompanying drawing in describing below is some embodiments of the present invention, general for this area
From the point of view of logical technical staff, on the premise of not paying creative work, it is also possible to obtain according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the schematic diagram of the gas distributing disc in gas distributor of the present invention；
Fig. 2 is the schematic diagram of the corrugated plate of the gas distributing disc of pie graph 1；
The schematic diagram of the fluid passage that Fig. 3 is formed by adjacent two corrugated plates in Fig. 1；
Fig. 4 is the normal section figure of the corrugated plate in Fig. 2；
Fig. 5 is the signal of a kind of paste state bed reactor being provided with gas distributed system of the present invention
Figure；
Fig. 6 is the top view of the gas pre-distributor in Fig. 5, it also illustrates adjacent two gases and goes out
Distance between Kou.
Wherein, reference is as follows:
1-paste state bed reactor；2-catalyst inlet；3-liquid-inlet；4-gas access；5-gas skirt；
6-gas outlet；7-decanting zone；8-overfall；9-gas pre-distributor；10-gas distributor；11-
First gas redistributor；12-the second gas redistributor；13-gas nozzle；14-manhole；H-crest
Highly；The inclination angle of α-corrugated plate；Angle, beta waves face；The height of H-gas distributing disc；D-gas pre-distributor
Adjacent Liang Ge gas outlet between distance.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that
Described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on this
Embodiment in bright, those of ordinary skill in the art are obtained under not making creative work premise
Every other embodiment, broadly fall into the scope of protection of the invention.Additionally, disclosed below this
Just can be mutual as long as the technical characteristic involved by bright different embodiment does not constitutes conflict each other
In conjunction with.
Embodiment 1
As it is shown in figure 1, the gas distributor described in the present embodiment includes a gas distributing disc, described
Gas distributing disc is the tray type structure assembled by some corrugated plates；The most referring also to Fig. 2 and Fig. 3,
The ripple rib of described corrugated plate is (such as the straight line B in Fig. 21B2, i.e. two corrugated A1A2B2B1With
B1B2C2C1Intersection) the most vertically arrange, the inclination of the ripple rib of adjacent two described corrugated plates
In opposite direction.The material of corrugated plate can select according to the character of equipment medium, can be typically each
Kind of metal or alloy, when the corrosivity of medium is compared with strong and can be selected for suitable plastics time temperature is relatively low, and
Optional pottery when the corrosivity of medium is relatively strong and temperature is higher；When the material of corrugated plate is metal or conjunction
Jin Shi, the thickness of corrugated plate is generally 0.2mm.
The structure of the gas distributor in the present embodiment can make adjacent two corrugated plates in gas distributor
Fluid passage (such as the △ A in Fig. 32B2C2With △ B2C2D2) interlaced, thus be conducive to
In passage, the fluid of flowing mixes continuously, and bubble not of uniform size so on the one hand can be made at stream
After gas distributor, become the minute bubbles that size is close, and be distributed evenly at the whole horizontal stroke of equipment
On cross section, be conducive to improving mass transfer rate, on the other hand may additionally facilitate the composition of fluid, temperature, stream
The parameters such as speed radially reach unanimity at mass transfer apparatus, to reduce the back-mixing even avoiding fluid.
In the gas distributor of the present embodiment, the inclination angle of corrugated plate is the least, and gas is through gas distributor
The bubble formed after distribution is the least at equipment distribution area radially, and at angle, corrugated one
Under conditions of Ding, the crest height of corrugated plate is the biggest, then cutting of the fluid course formed by adjacent corrugated
Area is the biggest, causes formed bubble size the biggest, therefore, in order to obtain distribution as much as possible
The minute bubbles that area is big, as shown in Figure 2 and Figure 4, can be set to 25～50 ° by the inclination alpha of corrugated plate,
Crest height h of corrugated plate is set to 4～20mm, corrugated angle beta (angles between i.e. two corrugateds) is
70～90 °.In the present embodiment, as preferred embodiment, the inclination alpha of corrugated plate is 30 °,
Crest height h of corrugated plate is 12mm, corrugated angle beta is 80 °.
As selectable embodiment, the gas distributor in the present embodiment also sets on its corrugated plate
Putting through hole, the percent opening of described through hole is 3～15%, so that the fluid of corrugated plate both sides exists pressure
When difference or current difference, the fluid of pressure or the higher side of flow velocity can be flowed automatically by the through hole on corrugated plate
To the side that pressure or flow velocity are relatively low, thus eliminate above-mentioned pressure differential or current difference, to reduce further
The back-mixing of liquid phase, improves mass-transfer efficiency.Described through hole can be the circular hole of diameter 3～5mm, it is also possible to
The oblong aperture of (5～7) mm × (2～3) mm, institute in the present embodiment it is chosen as according to practical situation
Stating the circular hole that through hole is diameter 4mm, its percent opening is 10%.
For producing further that size is homogeneous, it is evenly distributed and minute bubbles that distribution area is wide, the present embodiment
Described gas distributor can also be assembled, described in two by upper and lower two described gas distributing discs
Described corrugated plate in gas distributing disc is orthogonal, such as, and the corrugated plate in underlying gas distributing disc
Arranging in east-west direction, the then North and South direction of the corrugated plate in overhead gas distributing disc is arranged, and so may be used
Make the bubble after the gas distributing disc of lower section is distributed be again introduced in the gas distributing disc of top and realize gas
The quadratic distribution of bubble, specifically, refers to Fig. 3, enters first gas distribution of gas distributor
Certain " point " (A as shown in Figure 3 on dish2B2D2C2The face surrounded) gas, flow out
One " line " being distributed on a length of (2 × H × tg α) during this gas distributing disc is upper (in Fig. 3
B3To C1" line " on, i.e. △ B in figure3D3C3To △ A1B1C1Multiple trianglees composition face
On), after second gas distributing disc of the gas entrance gas distributor on this " line " is distributed,
Being distributed on a length of side when flowing out second gas distributing disc is the foursquare of (2 × H × tg α)
On " face ", thus reach more preferable gas distributed effect.
Embodiment 2
The structure of the paste state bed reactor that Fig. 5 show the gas distributed system being provided with embodiment 1 is shown
Being intended to, a diameter of 2000mm of described paste state bed reactor 1, catalyst adds from catalyst inlet 2
In reactor, liquid is entered reactor by the liquid-inlet 3 being positioned at reactor bottom, and gas passes through
The gas access 4 of reactor lower part enters in reactor, size after described gas distributed system is distributed
Minute bubbles bubbling homogeneous, that be evenly distributed passes liquid layer, and catalyst is at the liquid stream flowed up and bubble
Common effect under be evenly dispersed in liquid phase, or claim to suspend in the liquid phase；The bubble risen enters
Pass through the gas outlet 6 of reactor head through liquid level after entering to be arranged on the gas skirt 5 on reactor top
Effusion, liquid stream then flows into decanting zone 7 and carries out solid-liquor separation, does not contains or contain the liquid of a small amount of catalyst particles
Body is flowed out by overfall 8.
Described gas distributed system includes gas pre-distributor 9, the gas set gradually along gas flow direction
Body distributor the 10, first gas redistributor 11 and the second gas redistributor 12, described gas is pre-
Distance D between the adjacent Liang Ge gas outlet of distributor 9 is divided with the gas in described gas distributor 10
Following relation is met: H × tg α≤D≤2 × H × tg α between height H and the inclination alpha of corrugated plate of cloth dish,
Distance between described gas pre-distributor 9 and described gas distributor 10 is less than 300mm, described
First gas redistributor 11 respectively with described gas distributor 10, described second gas redistributor
Distance between 12 is 1～4m, preferably 1.5～3m.In the present embodiment, described gas is distributed in advance
Device 3 is nozzle-type gas distributor, as shown in Figure 6, and the distance between adjacent two gas nozzles 13
D is 300mm, and jet hole is arranged down；Ask for an interview Fig. 5 again, on described gas pre-distributor 9
At side 200mm, described gas distributor 10 is set, itself and the first gas redistributor 11 and second
Distance between gas redistributor 12 is respectively 2500mm, 5000mm；Above-mentioned gas distributor
10, the first gas redistributor 11 and second gas redistributor 12 are by upper and lower two described gas
Body distributing disc assembles, and the height H of each gas distributing disc is 300mm, a diameter of 1995mm,
The corrugated plate constituting described gas distributing disc is made up of the rustless steel that thickness is 0.2mm, described corrugated plate
Crest height h be 6mm, corrugated angle beta be 75 °, the inclination alpha of corrugated plate be 45 °.This enforcement
The said structure of example makes the gas entering paste state bed reactor first be scattered in size through gas pre-distributor
Differ, bubble pockety, these bubbles enter back in gas distributor, thus are scattered in
Size minute bubbles homogeneous, that be evenly distributed in whole reactor cross-section；Rising at minute bubbles
Constantly there is coalescence in Cheng Zhonghui so that minute bubbles become air pocket, and the rate of climb of air pocket is fast,
The minute bubbles rate of climb is slow, and such bubble is the most constantly gathered to reactor center, causes reactor horizontal
Gas distribution on cross section becomes uneven, and exacerbates liquid phase or the back-mixing of the liquid phase containing solid, this
Time one or more gas redistributor is set again, gas is subdivided after cloth device redistributes, and again may be used
Become the minute bubbles that size is homogeneous, be evenly distributed, thus realize the bubble homogenization in whole reactor.
For fixing above-mentioned gas distributor and gas redistributor, the two can be separately positioned on support
Between part and compressing member, described support member and described compressing member are both secured in mass transfer apparatus and along described
Being radially arranged of mass transfer apparatus.In the present embodiment, described gas distributor the 10, first gas divides again
Cloth device 11 and the second gas redistributor 12 are by the grid being directly or indirectly fixed in sidewall of reactor
Panel supports, and the most also can support with additive method, and their top compresses with Turbogrid plates again.
Gas distributor and the assembling of gas distributed system can be selected according to actual conditions in actual condition
Mode, in the present embodiment, the assembling of gas distributing disc can be carried out in reactor, is distributed at gas
It is provided with manhole 14 in sidewall of reactor above device, gas redistributor, assembles gas distributing disc
Corrugated plate material and assembly crewman entered by manhole 14；The most in other embodiments, it is possible to by gas
Body distributing disc is divided into fritter outside tower and assembles, and carries out assembly in then being sent into tower by manhole.Especially work as tower
Footpath less (such as less than 1000mm), assembles or time assembled gas distributing disc is had any problem in tower, can be by
Several sections of Deethanizer design one-tenth Flange joint, after the internal installations such as the gas distributed system in tower are good, then
Carry out the assembling of tower.
Obviously, above-described embodiment is only for clearly demonstrating example, and not to embodiment party
The restriction of formula.For those of ordinary skill in the field, the most also may be used
To make other changes in different forms.Here without also all of embodiment being given
With exhaustive.And the obvious change thus extended out or variation are still in the guarantor of the invention
Protect among scope.
Claims (10)
1. a gas distributor, including at least one gas distributing disc, it is characterised in that:
Described gas distributing disc is the tray type structure assembled by some corrugated plates, described corrugated plate
Ripple rib is the most vertically arranged, and the incline direction of the ripple rib of adjacent two described corrugated plates is contrary.
Gas distributor the most according to claim 1, it is characterised in that the crest of described corrugated plate
It is highly 4～20mm；The angle, corrugated of described corrugated plate is 70～90 °；The inclination angle of described corrugated plate is
25～50 °, described inclination angle refers to the ripple rib of described corrugated plate and the angle of vertical direction.
Gas distributor the most according to claim 1 and 2, it is characterised in that at described corrugated plate
On be provided with through hole, the percent opening of described through hole is 3～15%.
Gas distributor the most according to claim 3, it is characterised in that described through hole is diameter
The circular hole of 3～5mm, or the oblong aperture that described through hole is (5～7) mm × (2～3) mm.
5. according to the gas distributor described in any one of claim 1-4, it is characterised in that described gas
The height of distributing disc is 150～350mm.
6. according to the gas distributor described in any one of claim 1-5, it is characterised in that described gas
Distributor is assembled by upper and lower two described gas distributing discs, the institute in said two gas distributing disc
State corrugated plate orthogonal.
7. comprise a gas distributed system for gas distributor described in any one of claim 1-6, its
It is characterised by, including, the gas pre-distributor and the described gas that set gradually along gas flow direction divide
Cloth device；Distance D between the adjacent Liang Ge gas outlet of described gas pre-distributor is distributed with described gas
Meet such as ShiShimonoseki between the height H of described gas distributing disc and the inclination alpha of described corrugated plate in device
System: H × tg α≤D≤2 × H × tg α.
Gas distributed system the most according to claim 7, it is characterised in that described gas is distributed in advance
Distance between device and described gas distributor is less than 300mm.
9. according to the gas distributed system described in claim 7 or 8, it is characterised in that described gas divides
Distribution system also includes gas redistributor, the structure of described gas redistributor and described gas distributor
Structure identical.
Gas distributed system the most according to claim 9, it is characterised in that described gas is distributed
Distance between device and described gas redistributor is 1～4m, preferably 1.5～3m；
When described gas redistributor is two or more, adjacent two described gas redistributor it
Between distance be 1～4m, preferably 1.5～3m.
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| CN201610465461.5A CN105944630B (en) | 2016-06-23 | 2016-06-23 | A kind of gas distributor and the gas distributed system comprising the gas distributor |
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| CN201610465461.5A CN105944630B (en) | 2016-06-23 | 2016-06-23 | A kind of gas distributor and the gas distributed system comprising the gas distributor |
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| CN105944630B CN105944630B (en) | 2019-04-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109012512A (en) * | 2018-09-14 | 2018-12-18 | 中国科学院过程工程研究所 | A kind of inner member and the fluidized-bed reactor including the inner member |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20230356166A1 (en) * | 2020-02-12 | 2023-11-09 | Hindustan Petroleum Corporation Limited | Gas distributor for bubble column reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109012512A (en) * | 2018-09-14 | 2018-12-18 | 中国科学院过程工程研究所 | A kind of inner member and the fluidized-bed reactor including the inner member |
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| CN105944630B (en) | 2019-04-16 |
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