CN106345376B - A kind of fluidized bed distribution device in gas-fluid - Google Patents
A kind of fluidized bed distribution device in gas-fluid Download PDFInfo
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- CN106345376B CN106345376B CN201610827413.6A CN201610827413A CN106345376B CN 106345376 B CN106345376 B CN 106345376B CN 201610827413 A CN201610827413 A CN 201610827413A CN 106345376 B CN106345376 B CN 106345376B
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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
- B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
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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
- B01J8/1818—Feeding of the fluidising gas
- B01J8/1827—Feeding of the fluidising gas the fluidising gas being a reactant
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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
- B01J8/1872—Details of the fluidised bed reactor
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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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00796—Details of the reactor or of the particulate material
- B01J2208/00893—Feeding means for the reactants
- B01J2208/00911—Sparger-type feeding elements
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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The present invention relates to a kind of fluidized bed distribution device in gas-fluid, it is characterised in that: it includes gas distributing disc, and central distribution through-hole is arranged at the center of gas distributing disc, is disposed radially top surface distribution through-hole in the top surface of gas distributing disc；It is respectively provided with straight hole cap above central distribution through-hole and top surface distribution through-hole, gas via-hole is set at the top of straight hole cap.In the circumferentially spaced multiple vee-cuts radially extended of setting in the top surface of gas distributing disc, in circumferentially spaced multiple " several " the font grooves radially extended of setting in the bottom surface of gas distributing disc, vee-cut is in be alternately distributed with " several " font groove；More than one side distribution through-hole is set in the wherein one side wall of " several " font groove, the side wall of each side distribution through-hole is respectively positioned on the side in the same direction of " several " font groove, it is located at the position above side distribution through-hole on the side wall of vee-cut and is fastenedly connected side opening cap, there are spacing between side opening cap bottom and the bottom margin of vee-cut.
Description
Technical field
The present invention relates to a kind of fluidized bed distribution device in gas-fluid, belong to solid particle fluidization technology field.
Background technique
Fluidization of solid technology is due to may be implemented coming into full contact with for gas-particle two-phase, in drying, catalysis reaction, gasification
It is had a wide range of applications with combustion field.Fluidized bed is that one kind can be by the fluidised commonly used equipment of solid granulates, compared to biography
The gas-solid contactor of system such as fixed bed reactors, fluidized bed have two-phase contact area big, and mass transfer is rapid, system pressure drop
It is small, when as gas solid catalytic reaction equipment, have many advantages, such as that reaction speed is fast, catalyst amount is few, is to realize fluidization of solid
The ideal equipment of technology.Some defects are remained when however, carrying out gas-solid contact reaction mass transfer using fluidized bed, for example,
Being unevenly distributed of reaction gas will lead in fluidized bed that often there is a large amount of " bubbles ", due to solid-state in these " bubbles "
Granule content is seldom, leads to two-phase insufficient contact, therefore influences catalysis, reaction and mass transfer effect." bubble " similarly understands shadow
The transmittance process of the reaction heat of gas and solid is rung, so that entire temperature of reaction system distribution tends to be complicated, further shadow
Ring reaction effect.In addition, there is also gases to be unevenly distributed for traditional gas distributor, catalyst is often in gas distributor
The problems such as edge dead angle acumulation, generation reactor " dead zone ".
Application No. is 20140787543.2 Chinese patents to disclose a kind of Double shaft stirring vertical fluidized bed reactor,
In the device, fluidized-bed reactor installs stirrer paddle using the direct tube section in fluidized bed to stir solid pellet, left and right two
It is again mutually chimeric between blade, it is driven by the motor of lower part.The device can form big agglomerate to avoid solid particle, prevent
Adherency between pellet, improves fluidizing stability.But although the fluidized bed in the device has centainly sticky solid material
Mixed effect, but the solid pellet mixing improvement effect strong for mobility is very limited, exists simultaneously manufacture complexity
Problem.
Application No. is 201410255842.1 Chinese patents to disclose a kind of double gas distributor fluid catalytic cracking bed reactions
Device, in the apparatus, fluidized bed are provided with two layers of gas distributor to strengthen gas-particle two-phase mixed effect, while also in fluidized bed
In be provided with heat exchanger tube and realize isothermal heat transfer effect.Gas distribution grid intersects sieve-type design using claw-like, although this kind designs
Certain heat transfer effect can be reached, but there is also design complexity, increase fluidized bed pressure drop.
Application No. is 201010252650.7 Chinese patents to disclose a kind of composite inner component for gas-solid fluidized bed, the device
In composite inner component include multiple vertical parallel arrangement units, vertical parallel units two sides are provided with the inclined water conservancy diversion of multi-disc
Blade forms cross-current, Jin Erqiang the purpose is to make gas-particle two-phase medium generate the flowing of " it " font when passing through stay
Change gas-particle two-phase mixed effect.Although composite inner component can improve the two-phase lubrication degree in fluidized bed, inhibit returning for gas-solid phase
It is mixed, fragmentation is generated to gas-solid phase " bubble ", but the thickness of the composite inner component is much larger than distribution grid, and single component
Unit production is complex, is only capable of being installed as the supplement inner member of gas distributor.In addition, the device also will increase bed
The pressure drop of layer increases system energy consumption.
Application No. is 201510772116.1 Chinese patents to disclose a kind of multitube gas for fluidized-bed reactor
The flow-guiding structure of body distributor, multitube gas distributor are made of main air inlet pipe, multichannel branch air inlet pipe and diversion rod.Wherein,
Branch air inlet pipe is mounted side by side in parallel, and main air inlet pipe and the interconnection of branch air inlet pipe, main branch air inlet pipe are interconnected, diversion rod setting
Inside branch air inlet, diversion rod top is in inverted cone-shaped.Although the device can prevent material leakage, enhance wearability, solution office
Portion's putty problem, still, at grain fluidized aspect, there is no much improvement, while being easy to form the dead of solid particle in corner
Area.
Summary of the invention
In view of the above-mentioned problems, can reduce fluidisation the object of the present invention is to provide a kind of fluidized bed distribution device in gas-fluid
" bubble " scale in bed reduces " dead zone " in fluidized bed, strengthens the contact between gas-particle two-phase, to strengthen gas-solid phase border
Reaction, mass transfer and heat transfer effect.
To achieve the above object, the present invention takes following technical scheme: a kind of fluidized bed distribution device in gas-fluid, feature
Be: it includes gas distributing disc, is provided centrally with central distribution through-hole in the gas distributing disc, is distributed in the gas
Distribution through-hole in top surface has been disposed radially on the top surface of disk；In the top of the central distribution through-hole and top surface distribution through-hole
It is provided with the straight hole cap for preventing solid particle from passing through, is provided with gas via-hole at the top of the straight hole cap.
Multiple vee-cuts radially extended are provided with the top surface of the gas distributing disc is circumferentially spaced, described
The bottom surface of gas distributing disc is circumferentially spaced to be provided with multiple " several " font grooves radially extended, the vee-cut and institute
Stating " several " font groove is in be alternately distributed；More than one side is provided in the wherein one side wall of " several " font grooves
It is distributed through-hole, the side wall of each side distribution through-hole is respectively positioned on the side in the same direction of described " several " font groove；In the wedge-shaped ditch
It is located at the position above side distribution through-hole on the side wall of slot and is fastenedly connected the side opening cap for preventing solid particle from passing through,
There are spacing between side opening cap bottom and the bottom margin of the vee-cut.
The depth of the vee-cut is in line by gas distributing disc edge to gas distributing disc center
Property reduce.
Positioned at each " several " font groove top surfaces the top surface distribution through-hole number be it is multiple, on each top
The straight tube for preventing solid particle from passing through is provided at the top of EDS maps through-hole.
On the same line, the top surface is distributed the diameter edge of through-hole for each radially spaced distribution of top surface distribution through-hole
The gas distributing disc is radially gradually increased, positioned at close to the top surface of gas distributing disc marginal position distribution through-hole
Diameter is greater than the diameter being located at close to the top surface of gas distributing disc top center distribution through-hole.
The straight hole cap is the trapezoidal protective cover in section；The center in straight hole crown portion and the central distribution
The center alignment of through-hole or top surface distribution via top；The gas via-hole in straight hole crown portion is arranged in a circular formation,
Each circular center of circle is overlapped with the center in straight hole crown portion；The bottom of the straight hole cap is movably connected in the gas
The top of distributing disc.
" several " font grooves be provided with side distribution through-hole side wall and " several " font groove top surfaces it
Between angle be 90 degree, the angle of another side wall of " several " font grooves and " several " font groove top surfaces is 120~
150 degree.
The side opening cap oblique weld is on the side wall that the vee-cut is provided with the side distribution through-hole, the side
The angle that hole cap and the vee-cut are provided between the side wall of the side distribution through-hole is 5~30 degree, the side
Projected area of the hole cap on the side wall that the vee-cut is provided with the side distribution through-hole is greater than the side point
The area of cloth through-hole.
The thickness of the gas distributing disc and the diameter ratio of the fluidized bed are 0.05~0.3；Each top surface distribution
The diameter ratio of the distance between through-hole and the fluidized bed is 0.001~0.01.
The upper and lower surfaces of the gas distributing disc are concave spherical surface；The side distribution through-hole is round or strip.
The invention adopts the above technical scheme, which has the following advantages: 1, the present invention is provided with central distribution through-hole
It is distributed through-hole with top surface, is provided with above central distribution through-hole and top surface distribution through-hole for preventing solid particle from passing through
Straight hole cap, gas via-hole is provided at the top of straight hole cap, the bottom of straight hole cap is fastenedly connected at the top of gas distributing disc,
Under airflow function, gas can open the calotte of straight hole cap, and gas not only can be from gas via-hole and central distribution through-hole
In it is vertical pass through, can also tangentially pass through in the latasuture between straight hole cap bottom and gas distributing disc top surface, the distribution grid
Design can prevent solid particle material leakage, reduce solid particle on distribution grid and fluidize dead zone.2, the present invention is provided with multiple wedge-shaped ditches
It is logical to be provided with more than one side distribution on the side wall of each " several " font grooves for slot and multiple " several " font grooves
Hole is located at the side opening cap being provided with above side distribution through-hole for preventing solid particle from passing through, in side on vee-cut
Under the oblique guide functions of EDS maps through-hole, gas can be made to form Scrawl movement, and to the solid particles stream such as catalyst
" bubble " formed during changing has oblique shear stretching action, cuts in central distribution through-hole and top surface distribution the vertical of through-hole
It cuts under effect, " bubble " is stretched and shreds rupture, and " bubble " scale for causing fluidisation to be formed is smaller, gas-particle two-phase contact area
It is bigger, to enhance the mass transfer between gas-particle two-phase, heat transfer and reaction effect.3, the upper and lower table of gas distributing disc of the present invention
Face is spherical surface, can prevent from forming dead angle between gas distributing disc and the inner wall of fluidized bed, improve the solids such as catalyst
The utilization efficiency of grain.4, each straight hole cap of the present invention is the trapezoidal protection closure assembly in section, top surface can be distributed through-hole
It covers, so that the solid particles such as catalyst be prevented to be distributed through-hole by top surface.5, side wall of the side opening cap of the present invention in vee-cut
On projected area be greater than the area of side distribution through-hole, the bottom margin of each side distribution through-hole and the bottom sides of vee-cut
There are spacing between edge, and the solid particles such as catalyst can be prevented to be distributed through-hole by side.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention
Fig. 2 is schematic top plan view of the invention
Fig. 3 is the structural schematic diagram of straight hole cap of the present invention
Fig. 4 is the schematic top plan view of straight hole cap of the present invention
Fig. 5 is the structural schematic diagram of side opening cap of the present invention
Fig. 6 is the structural schematic diagram that the present invention is arranged in fluidized bed
Specific embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1 and Figure 2, the invention proposes a kind of fluidized bed distribution device in gas-fluid, it includes a gas distributing disc
1, it is provided centrally with more than one central distribution through-hole 2 in gas distributing disc 1, can be prevented in gas distributing disc 1
Heart position forms fluidisation " dead zone ".Multiple wedge shapes radially extended are provided with the top surface of gas distributing disc 1 is circumferentially spaced
Groove 3.Multiple " several " font grooves 4 radially extended are provided with the bottom surface of gas distributing disc 1 is circumferentially spaced.Wedge-shaped ditch
Slot 3 and " several " font groove 4 are in be alternately distributed.More than one top is disposed radially in the top surface of each " several " font grooves 4
EDS maps through-hole 5.More than one side distribution through-hole 6 is provided in the wherein one side wall of each " several " font grooves 4, respectively
The side wall of side distribution through-hole 6 is respectively positioned on the side in the same direction of " several " font groove 4, and gas can be made to generate tangential shear velocity.?
The top of central distribution through-hole 2 and top surface distribution through-hole 5 is provided with the straight hole cap 7 for preventing solid particle from passing through (as schemed
3, shown in Fig. 4), the top of straight hole cap 7 is provided with the gas via-hole 8 of a circle or more.It is upper in the side wall of each vee-cut 3
A side opening cap 9 (as shown in Figure 5) is fastenedly connected in the top of each side distribution through-hole 6.
In above-described embodiment, as shown in Figure 1, when top surface distribution through-hole 5 is multiple, the center of circle of each top surface distribution through-hole 5
It is spaced apart on same straight line, also, the diameter of top surface distribution through-hole 5 is gradually increased along 1 radial direction of gas distributing disc.Positioned at close
The diameter of the top surface distribution through-hole 5 of 1 edge of gas distributing disc is greater than the top surface being located at 1 top center of gas distributing disc
It is distributed the diameter of through-hole 5.
In above-described embodiment, leaned on as shown in Fig. 2, the depth that vee-cut 3 is located at 1 edge of gas distributing disc is greater than to be located at
Depth at nearly 1 top center of gas distributing disc.Wherein, each vee-cut 3 is apart from 1 top center 1/5 of gas distributing disc
Depth in radius is zero, and depth of the vee-cut 3 in 1 edge of gas distributing disc is the 1/ of 1 diameter of gas distributing disc
10。
In above-described embodiment, as shown in figure 3, the top of each top surface distribution through-hole 5 is provided with straight tube 51, each straight hole
Cap 7 is the trapezoidal protection closure assembly in section, can cover straight tube 51, to prevent the solid particles such as catalyst from passing through top
EDS maps through-hole 5.
In above-described embodiment, as shown in Figure 3, Figure 4, the center and 1 top surface of gas distributing disc at each 7 top of straight hole cap are distributed
The center of through-hole 5 is aligned.When gas via-hole 8 is multi-turn, each gas via-hole 8 that encloses in being spaced apart, the center of circle of each circle with
The center of straight hole cap 7 is overlapped.The bottom of straight hole cap 7 is movably connected in the top of gas distributing disc 1, under airflow function, gas
The bottom of straight hole cap 7 can be opened, gas vertical from gas via-hole 8 can not only pass through, can also be from 7 bottom of straight hole cap
Pass through in latasuture between 1 top surface of gas distributing disc.
In above-described embodiment, as shown in Fig. 2, " several " font groove 4 is provided with the side wall and " several " word of side distribution through-hole 6
Angle between 4 top surface of shape groove is 90 degree, the side wall of 4 other side of " several " font groove and the folder of 4 top surface of " several " font groove
Angle is 135 degree.
In above-described embodiment, lead to as shown in figure 5, the equal oblique weld of each side opening cap 9 is provided with side distribution in vee-cut 3
On the side wall in hole 6, the angle that side opening cap 9 and vee-cut 3 are provided between the side wall of side distribution through-hole 6 is 5~30 degree, side
Projected area of the hole cap 9 on the side wall that vee-cut 3 is provided with side distribution through-hole 6 is greater than the area of side distribution through-hole 6,
There are spacing between the bottom margin of each side distribution through-hole 6 and the bottom margin of vee-cut 3, can prevent catalyst etc.
Solid particle is distributed through-hole 6 by side.
In above-described embodiment, as shown in fig. 6, the diameter ratio of the thickness of gas distributing disc 1 and fluidized bed 10 be 0.05~
0.3。
In above-described embodiment, the distance between each top surface distribution through-hole 5 in the diameter ratio of fluidized bed 10 be 0.001~
0.01。
In above-described embodiment, the upper and lower surfaces of gas distributing disc 1 are spherical surface, can prevent gas distributing disc 1 and fluidisation
Dead angle is formed between the inner wall of bed 10.
In above-described embodiment, every one side distribution through-hole 6 is round or strip.
In above-described embodiment, gas distributing disc 1 uses punch forming.
As shown in fig. 6, in the use of the present invention, gas distributing disc 1 is fastenedly connected on the inner wall of fluidized bed 10.It is being located at
An air inlet pipe 11 is provided on the side wall of the fluidized bed 10 of 1 lower part of gas distributing disc, air inlet pipe 11 can be realized independent air inlet.Into
The air inlet 12 of 11 one end of tracheae is arranged in entire fluidized bed center, the air inlet downward of air inlet 12.Gas passes through air inlet
After 12 downward air inlets, the solid particle inside fluidized bed 10 is fluidized by gas distributing disc 1, when being fluidized, gas
Body is distributed through-hole 5 by the central distribution through-hole 2 of gas distributing disc 1, top surface and side is distributed through-hole 6, can be distributed in gas
Scrawl mode of fluidization is formed at the top of disk 1.Since the oblique water conservancy diversion of side distribution through-hole 6 causes solid particle in fluid mapper process
" bubble " of middle formation is plagioclase type, under the vertical shear effect of central distribution through-hole 2 and top surface distribution through-hole 5, " bubble "
By oblique extension and vertical shear, therefore " bubble " scale that while significantly reducing fluidisation is formed, make gas-particle two-phase contact surface
Product increases, and simplifies " dead zone " in fluidized bed, strengthens mass transfer, heat transfer and reaction effect between gas-solid phase.
The various embodiments described above are merely to illustrate the present invention, wherein the structure of each component, connection type etc. are all can be
Variation, all equivalents and improvement carried out based on the technical solution of the present invention should not be excluded of the invention
Except protection scope.
Claims (9)
1. a kind of fluidized bed distribution device in gas-fluid, it is characterised in that: it includes gas distributing disc, in the gas distributing disc
It is provided centrally with central distribution through-hole, distribution through-hole in top surface has been disposed radially on the top surface of the gas distributing disc；Institute
The straight hole cap being provided with above central distribution through-hole and top surface distribution through-hole for preventing solid particle from passing through is stated,
Gas via-hole is provided at the top of the straight hole cap；
Multiple vee-cuts radially extended are provided with the top surface of the gas distributing disc is circumferentially spaced, in the gas
The bottom surface of distributing disc is circumferentially spaced to be provided with multiple " several " font grooves radially extended, the vee-cut with it is described
" several " font groove is in be alternately distributed；More than one side point is provided in the wherein one side wall of " several " font grooves
The side wall of cloth through-hole, each side distribution through-hole is respectively positioned on the same side of described " several " font groove；In the vee-cut
Side wall on be located at the side distribution through-hole above position be fastenedly connected the side opening cap for preventing solid particle from passing through, institute
State between side opening cap bottom and the bottom margin of the vee-cut that there are spacing.
2. a kind of fluidized bed distribution device in gas-fluid as described in claim 1, it is characterised in that: the depth of the vee-cut
Linearly reduced by gas distributing disc edge to gas distributing disc center.
3. a kind of fluidized bed distribution device in gas-fluid as described in claim 1, it is characterised in that: be located at each described " several " word
Shape groove top surface the top surface distribution through-hole number be it is multiple, each top surface distribution through-hole at the top of be provided with use
In the straight tube for preventing solid particle from passing through.
4. a kind of fluidized bed distribution device in gas-fluid as claimed in claim 3, it is characterised in that: each top surface is distributed through-hole
On the same line, the diameter of the top surface distribution through-hole radially gradually increases along the gas distributing disc for radially spaced distribution
Greatly, it is greater than positioned at the diameter close to the top surface of gas distributing disc marginal position distribution through-hole and is located at close to the gas
The diameter of the top surface distribution through-hole of distributing disc top center.
5. a kind of fluidized bed distribution device in gas-fluid as described in claim 1, it is characterised in that: the straight hole cap is in for section
Trapezoidal protective cover；The center in straight hole crown portion and the central distribution through-hole or the top surface are distributed via top
Center alignment；The gas via-hole in straight hole crown portion is arranged in a circular formation, each circular center of circle and the straight hole
The center in crown portion is overlapped；The bottom of the straight hole cap is movably connected in the top of the gas distributing disc.
6. a kind of fluidized bed distribution device in gas-fluid as described in claim 1, it is characterised in that: " several " font grooves are set
The angle being equipped between the side wall and " several " font groove top surfaces of the side distribution through-hole is 90 degree, " several " fonts
Another side wall of groove and the angle of " several " font groove top surfaces are 120~150 degree.
7. a kind of fluidized bed distribution device in gas-fluid as described in claim 1, it is characterised in that: the side opening cap oblique weld
On the side wall that the vee-cut is provided with the side distribution through-hole, the side opening cap and the vee-cut are arranged
The angle stated between the side wall of side distribution through-hole is 5~30 degree, and the side opening cap is arranged in the vee-cut
State the area that the projected area on the side wall of side distribution through-hole is greater than side distribution through-hole.
8. a kind of fluidized bed distribution device in gas-fluid as claimed in claim 3, it is characterised in that: the thickness of the gas distributing disc
The diameter ratio of degree and the fluidized bed is 0.05~0.3；The distance between each described top surface distribution through-hole and the fluidized bed
Diameter ratio be 0.001~0.01.
9. a kind of fluidized bed distribution device in gas-fluid as described in claim 1, it is characterised in that: the gas distributing disc
Upper and lower surfaces are concave spherical surface；The side distribution through-hole is round or strip.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610827413.6A CN106345376B (en) | 2016-09-14 | 2016-09-14 | A kind of fluidized bed distribution device in gas-fluid |
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| CN201610827413.6A CN106345376B (en) | 2016-09-14 | 2016-09-14 | A kind of fluidized bed distribution device in gas-fluid |
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| CN106345376B true CN106345376B (en) | 2019-02-19 |
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| CN110394049A (en) * | 2019-07-11 | 2019-11-01 | 昆明理工大学 | A kind of electrolytic aluminium fluorine-containing flue gas purification system and purification process |
| US20230356166A1 (en) * | 2020-02-12 | 2023-11-09 | Hindustan Petroleum Corporation Limited | Gas distributor for bubble column reactor |
| CA3167970A1 (en) * | 2020-02-12 | 2021-08-19 | Hindustan Petroleum Corporation Limited | Gas and liquid distributor for bubble column reactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10202090A (en) * | 1997-01-24 | 1998-08-04 | Mitsubishi Materials Corp | Fluidized-bed reactor |
| CN1273877A (en) * | 2000-06-02 | 2000-11-22 | 清华大学 | Jet fluidized bed with separated partitions and double jet pipes |
| CN103240038A (en) * | 2012-02-03 | 2013-08-14 | 中国石油化工股份有限公司 | Gas distributor for slurry bed reactor |
| CN203862223U (en) * | 2014-04-30 | 2014-10-08 | 华东理工大学 | Distribution plate for propylene epoxidation reaction |
-
2016
- 2016-09-14 CN CN201610827413.6A patent/CN106345376B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10202090A (en) * | 1997-01-24 | 1998-08-04 | Mitsubishi Materials Corp | Fluidized-bed reactor |
| CN1273877A (en) * | 2000-06-02 | 2000-11-22 | 清华大学 | Jet fluidized bed with separated partitions and double jet pipes |
| CN103240038A (en) * | 2012-02-03 | 2013-08-14 | 中国石油化工股份有限公司 | Gas distributor for slurry bed reactor |
| CN203862223U (en) * | 2014-04-30 | 2014-10-08 | 华东理工大学 | Distribution plate for propylene epoxidation reaction |
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| CN106345376A (en) | 2017-01-25 |
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