CN105582861B - A kind of gas-liquid distributor for fluid bed - Google Patents
A kind of gas-liquid distributor for fluid bed Download PDFInfo
- Publication number
- CN105582861B CN105582861B CN201410563650.7A CN201410563650A CN105582861B CN 105582861 B CN105582861 B CN 105582861B CN 201410563650 A CN201410563650 A CN 201410563650A CN 105582861 B CN105582861 B CN 105582861B
- Authority
- CN
- China
- Prior art keywords
- gas
- liquid distributor
- catalysis material
- catalyst
- distribution plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Abstract
The invention discloses a kind of gas-liquid distributors for fluid bed, and including catalysis material net and distribution plate, catalysis material net is fixed in the trepanning of distribution plate, and wherein catalysis material net is made of the material sintering with catalytic activity；Preparation method is as follows：Catalyst with binding agent is mixed, pinches and is pressed into plastic, is then poured into the mold of catalysis material net, is roasted, obtains the catalysis material net of catalyst composition.Gas-liquid distributor of the present invention can be used for catalyst cracker, fluidized bed reactor and the reactor system moved upwards with logistics.
Description
Technical field
The present invention relates to a kind of gas-liquid distributor, more particularly to a kind of gas-liquid distributor for fluidized-bed reactor.
Background technology
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, carrys out more loading catalysts, realizes that the efficiency of oil refining or chemical process maximizes.Gas-liquid distributor makes material anti-
It answers in device and is uniformly distributed, reactant and catalyst good contact give full play to catalyst performance and the weight of device even running
Want factor.Material can lead to the temperature difference particularly after reactor size enlargement on radial section when being unevenly distributed,
It even will appear hot-spot, the performance of catalyst 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
Key factor.
CN1765479A, CN2928215A, CN201088910A and CN101940897A, CN101940900A and
It is improvement or change in the equipment and structure to the gas-liquid distributor in existing reactor in the patents such as CN101940897A
More, all it is to be loaded using dense phase loading catalyst come the conventional catalyst before replacing in particularly current many reactors, mesh
Be exactly to load more catalyst as far as possible, realize the promotion of the space availability ratio of reactor.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of gas-liquid distributor for fluid bed, the gas-liquid distributor
It is made of the material with catalytic activity, simple in structure, operation is easy, and operating flexibility is big, disclosure satisfy that long period steady running
Needs.
The gas-liquid distributor for fluid bed of the present invention, including several catalysis material nets and distribution plate, catalysis material
Net is fixed in the trepanning of distribution plate, and wherein catalysis material net is made of the material sintering with catalytic activity, catalysis material net
Shape can be one or more of spherical, arc-shaped, elliposoidal, cylinder and polygon etc. shape combination, each
The discharge hole size of catalysis material net is 0.1-5mm, preferably 0.5-1mm or for 1%-90% catalyst particle sizes, preferably 20%-
40% catalyst particle size.Wherein catalyst material thickness of net is 0.1-5cm, preferably 1-2 cm.
Distribution plate is a platy structure, and the hole of perforation plate body upper and lower surface is offered in plate face, and the percent opening of distribution plate is
The ratio of catalysis material net on distribution plate section is in 5%-50%, preferably 15%-30%；
The bottom of catalysis material net is fixed on by 2 ~ 4 bolts in the trepanning of distribution plate, before use, needing to be installed to anti-
It answers on the distribution plate of device.
In the gas-liquid distributor of the present invention, the material with catalytic activity is the protective agent in hydrogenation reaction, can
Think powder or shaped article, can be commercial product, can also be prepared according to this field conventional method, such as Fushun oil
The hydrogenation protectings agent such as FZC-11, FZC-13, FZC-16, FZC-10U, FZC-11U, FZC-10A of chemical research institute~FZC-14A
In one kind, one kind in the RG series hydrogenation protecting agent of Research Institute of Petro-Chemical Engineering, Akzo Nobel（Aksu promise shellfish
You）One kind in KG50, KG-1 of company, 5B, the hydrogenation protectings agent such as 542,514-SH, 544-SH of CRITERION companies,
Several combinations of one kind or above-mentioned hydrogenation protecting agent in the hydrogenation protectings agent such as 814HC, 824-HC, 855MD.
In gas-liquid distributor of the present invention, the preparation method of catalysis material net, including following content：By catalyst and binding agent
Mixing, pinches and is pressed into plastic, be then poured into the mold of catalysis material net, roasts, and obtains the catalysis material of catalyst composition
Net.
Wherein, the binding agent is one or more of aluminium oxide, Ludox, cellulose or polyvinyl alcohol etc..It urges
Agent and binding agent mixing, can add appropriate solvent, such as water or the mother liquor or maceration extract of catalyst preparation process.It can be with
Foaming agent or catalyst promoter are added in, as sodium bicarbonate, 2- hydroxy propanes -1,2,3- tricarboxylic acids etc. can generate CO2Add
Add agent, in preparation process, can gas be discharged so that have hole inside the catalysis material net of formation by the effect of additive
Road and hole generate, and disperse conducive to medium, also conducive to this reality of the discharge hole of novel distributor being made of catalysis material net
It is existing.
Used mold is made of upper envelope and lower envelope, and upper envelope is with lower envelope respectively containing several parallel needle cores, mold material
Material is usually stainless steel material, and material can be 304,304L, 316L, 321 etc., the number of the shape of mold, size and needle core
It is designed according to the shape of catalyst material net to be prepared, upper envelope is connected with lower envelope by connector.Mold preparation is urged
The specific operation process of agent web material is as follows：Catalyst and binding agent are pinched to the plastic being pressed into be poured into mold, are catalyzed
Agent component passes through several parallel needle cores, then upper envelope and lower envelope are opened, obtain catalysis material net by roasting molding.
Wherein, the roasting condition is：300 ~ 1000 DEG C of calcination temperature, preferably 500 ~ 800 DEG C, roasting time are 2 ~ 25
Hour, preferably 5 ~ 15 hours.
The fluidized-bed reactor of the present invention, including reactor shell, the lower part setting present invention is above-mentioned in reactor cylinder body
Gas-liquid distributor.Wherein the distribution plate of gas-liquid distributor is connected by bolt with the bracing ring in wall of reactor,
So as to reach the fixed purpose of installation.
The gas-liquid distributor of the present invention can also be mounted on inside the bottom bulkhead of fluid bed, can significantly be saved anti-
Device space is answered, increases the charge space of reactor catalyst, improves space reactor utilization rate.Reactor bottom can also be mounted on
In portion's suction line, play the role of tentatively being distributed gas-liquid, while the process of initial reaction and pretreatment can also be played, into
One step improves inside reactor utilization rate.
Concrete operating principle and the course of work are to enter the high-speed gas of reactor bottom and liquid reactant mixture object warp
Gas-liquid distributor is crossed, the hole distribution and cutting of the catalysis material net being assigned on disk form small drop and bubble mixture,
Uniform sequential boils the catalyst fluidization on distribution plate and chemically reacts therewith.Meanwhile gas and liquid reactants
By having the catalysis material net of catalytic performance on distribution plate, also occur certain chemical reaction, the active sites in catalysis material
Can the impurity in raw material be subjected to removing deposition, play the role of pre-processing removing impurities matter, so as to improve integral inverted in reactor
Answer effect.
Gas-liquid distributor of the present invention can be used in a fluidized bed reactor, such as catalyst cracker, ebullated bed are anti-
Device and the reactor system moved upwards with logistics are answered, suitable for petroleum hydrocarbon hydrogenation process, especially suitable for weight, slag
Oily hydrogenation reaction.
Compared with prior art, it is the advantages of gas-liquid distributor of the invention：
Gas-liquid distributor of the present invention, effective distributed component, that is, catalysis material net uses the form of catalyst on distribution plate,
Protective agent even metal remover in conventional catalyst grading etc. can be replaced, more utilizes reaction compartment, more removable sulphur
The removing impurities such as agent, denitrifier matter and reforming catalyst improve reactor utilization rate and reaction effect, improve reactor for treatment ability,
Extend the catalyst runs period；Gas-liquid distributor of the present invention integrates incrustation, reaction and gas-liquid distributed function, and with product
The high unobvious of carry out reaction pressure falling-rising of dirt, incrustation sediment function do not influence gas-liquid distributed effect.Gas-liquid distributor of the present invention, because of medium
The spatial coverage of discharging is high, can open the timely fluidization dispersions of impurity of the coke of generation and carbon deposit and removing, prevent from accumulating
Increase, cause pressure drop and block to increase；Gas-liquid distributor of the present invention, also have be evenly distributed, resistance is small, not material leakage, be not easy to block up
The features such as filling in and is easy to clean, is generally applicable to general fluidized-bed, dirty especially suitable for containing toughness in fluid bed raw material
Contaminate the occasion of object.
Description of the drawings
Fig. 1 is the structure diagram of gas-liquid distributor of the present invention.Wherein, 1-1- catalysis materials net, 1-2- distribution plates, 1-3-
Bracing ring, 1-4- distributor discharge holes, 1-5- connection bolts.
Fig. 2 is the mold structure diagram of the embodiment of the present invention 1, wherein, it seals on 2-1-, is sealed under 2-2-, 2-3- connectors,
2-4- needle cores.
Fig. 3 is the floor map of gas-liquid distributor of the present invention.Wherein, 3-1- gas-liquid distributors, 3-2- distribution plates.
Specific embodiment
It for the specific features that the present invention is further explained, will be described with reference to the appended drawings, but be not intended to limit the present invention.
The specific work process of gas-liquid distributor of the present invention is as follows：The high-speed gas and liquid for entering reactor bottom mix
Reactant is closed after the distribution of pores containing the catalysis material net on distribution plate, it is gentle that assigned and cutting forms small drop
Bubble mixt, the uniform sequential catalyst fluidization by distribution plate boil and chemically react therewith.Meanwhile gas and liquid
Certain chemical reaction also occur by having the catalysis material net of catalytic performance on distribution plate for precursor reactant object, in catalysis material
Active sites can the impurity in raw material be subjected to removing deposition, play the role of pre-process removing impurities matter.
Mold used in the embodiment of the present invention is stainless steel material, and material 321 is made of, shape upper envelope and lower envelope
For top be arc-shaped lower part be cylindrical entirety, the size of upper envelope and lower envelope respectively according to the thickness of catalyst material net into
Row design, wherein catalyst material thickness of net are 1 ~ 2cm, upper envelope and lower envelope respectively containing 5-10 parallel needle cores, upper envelope and
After lower envelope connection, catalytic component is poured into mold, then roasting opens upper envelope and lower envelope, obtains catalyst composition
The discharge hole size of catalysis material net, wherein catalyst material net is 0.5-1mm.
Further the structure and using effect of gas-liquid distributor of the present invention are described below in conjunction with specific embodiment.
Embodiment 1
By the catalyst powder of FZC-11 and aluminium oxide and add deionized water and mixed in kneading machine, pinch and be pressed into plastic,
Then it is poured into the mold of catalysis material net, is roasted 15 hours at 600 DEG C, remove mold and obtain the catalysis material of catalyst composition
Expect net.Catalysis material Netcom is crossed bolt to be installed on distribution plate, the catalysis on the percent opening on distribution plate, that is, distribution plate section
The ratio of web material obtains gas-liquid distributor 16%.
Embodiment 2
By the catalyst powder of FZC-11 and aluminium oxide and add deionized water and mixed in kneading machine, pinch and be pressed into plastic,
Mold is 321 material of stainless steel, is made of upper envelope and lower envelope, and after upper envelope is connected with lower envelope, catalytic component is poured into mold,
It is roasted 15 hours at 600 DEG C, then roasting opens upper envelope and lower envelope, obtain the catalysis material net of catalyst composition.
Embodiment 3
Fluid bed residual hydrogenation reaction is carried out using gas-liquid distributor of the present invention, reaction condition is：396 DEG C of reaction temperature,
Reaction pressure 15MPa, hydrogen-oil ratio 500:1,0.4 h of volume space velocity-1.The property of residual oil is shown in Table 1, and evaluation result is shown in Table 2.Reactor
The FZC-24 of inside filling Fushun Petrochemical Research Institute production.
Embodiment 4
Fluid bed residual hydrogenation reaction is carried out using gas-liquid distributor of the present invention, reaction condition is：396 DEG C of reaction temperature,
Reaction pressure 15MPa, hydrogen-oil ratio 500:1,0.4 h of volume space velocity-1.The property of residual oil is shown in Table 1, and evaluation result is shown in Table 2.Reactor
The FZC-24 of inside filling Fushun Petrochemical Research Institute production.Meanwhile by gas-liquid distributor of the present invention (being configured to FZC-11)
It is also mounted in reactor bottom suction line.
Embodiment 5
Double-fluidized-bed reactor series connection is carried out using gas-liquid distributor of the present invention and carries out residual hydrogenation reaction, reaction condition
For：396 DEG C/396 DEG C, reaction pressure 15MPa of reaction temperature, hydrogen-oil ratio 500:1,0.2 h of total volume air speed-1.The property of residual oil
1 is shown in Table, evaluation result is shown in Table 2.One anti-and the two anti-internal Fushun Petrochemical Research Institute of filling respectively productions FZC-24, FZC-
34。
Embodiment 6
Double-fluidized-bed reactor series connection is carried out using gas-liquid distributor of the present invention and carries out residual hydrogenation reaction, reaction condition
For：396 DEG C/396 DEG C, reaction pressure 15MPa of reaction temperature, hydrogen-oil ratio 500:1, total volume air speed 0.2h-1.The property of residual oil is shown in
Table 1, evaluation result is shown in Table 2.One anti-and the two anti-internal Fushun Petrochemical Research Institute of filling respectively productions FZC-24, FZC-
34.Meanwhile gas-liquid distributor of the present invention (being configured to FZC-11) is also mounted in reactor bottom suction line.
Comparative example 1
Residual hydrogenation reaction condition is with embodiment 3, and using conventional bubble cap distributor, evaluation result is shown in Table 2.
Comparative example 2
Residual hydrogenation reaction condition, using conventional bubble cap distributor, is connected with embodiment 6 using double-fluidized-bed reactor
Residual hydrogenation reaction is carried out, evaluation result is shown in Table 2.
The property of 1 residual oil of table.
2 evaluation result of table.
Claims (10)
1. a kind of gas-liquid distributor for fluid bed, it is characterised in that：Including catalysis material net and distribution plate, catalysis material net
It is fixed in the trepanning of distribution plate, wherein catalysis material net is made of the material sintering with catalytic activity；Catalysis material net is
The combination of one or more of spherical, arc-shaped, elliposoidal, cylinder or polygon shape；Each catalysis material net goes out
Material hole size is 0.1-5mm or is 1%-90% catalyst particle sizes；Wherein catalyst material thickness of net is 0.1-5cm；Distribution plate
For a platy structure, the hole of perforation plate body upper and lower surface is offered in plate face, on percent opening, that is, distribution plate section of distribution plate
The ratio of catalysis material net is in 5%-50%；The preparation method of catalysis material net, including following content：Catalyst and binding agent are mixed
It closes, pinches and be pressed into plastic, be then poured into the mold of catalysis material net, roast, obtain catalysis material net；Used mold
It is made of upper envelope and lower envelope, upper envelope and lower envelope are respectively containing 5 ~ 10 parallel needle cores, and mold materials are stainless steel material, mold
Shape, the number of size and needle core be designed according to the shape of catalyst material net to be prepared, upper envelope and lower envelope are led to
Cross connector connection.
2. gas-liquid distributor described in accordance with the claim 1, spy are：The material with catalytic activity is anti-to add hydrogen
Protective agent in answering.
3. according to the gas-liquid distributor described in claims 1 or 2, spy is：The material with catalytic activity is comforts
Add hydrogen along FZC-11, FZC-13, FZC-16, FZC-10U, FZC-11U or FZC-10A~FZC-14A of Petroleum Chemical Engineering Institute
One kind in protective agent, one kind in the RG series hydrogenation protecting agent of Research Institute of Petro-Chemical Engineering, Akzo Nobel N.V.
KG50, KG-1,5B or 542 hydrogenation protecting agent in one kind, 514-SH, 544-SH, 814HC, 824- of CRITERION companies
Several combinations of one kind or above-mentioned hydrogenation protecting agent in HC or 855MD hydrogenation protecting agent.
4. gas-liquid distributor described in accordance with the claim 1, spy are：The binding agent is aluminium oxide, Ludox, fiber
One or more of element or polyvinyl alcohol etc..
5. gas-liquid distributor described in accordance with the claim 1, spy are：Catalyst and binding agent mixing, add water or urge
The mother liquor or maceration extract of agent preparation process add in foaming agent or catalyst promoter；Wherein foaming agent is selected from sodium bicarbonate
Or 2- hydroxy propane -1,2,3- tricarboxylic acids.
6. gas-liquid distributor described in accordance with the claim 1, spy are：The roasting condition is：Calcination temperature 300 ~
1000 DEG C, roasting time is 2 ~ 25 hours.
7. gas-liquid distributor described in accordance with the claim 1, it is characterised in that：The bottom that gas-liquid distributor is mounted on fluid bed is sealed
In head inside or reactor bottom suction line.
8. gas-liquid distributor described in accordance with the claim 1, it is characterised in that the course of work is as follows：Enter reactor bottom
High-speed gas and liquid reactant mixture object are assigned and cut after the distribution of pores containing the catalysis material net on distribution plate
Small drop and bubble mixture are formed, the uniform sequential catalyst fluidization by distribution plate boils and chemistry occurs therewith instead
It should；Gas and liquid reactants chemically react, catalysis material by having the catalysis material net of catalytic performance on distribution plate
In active sites the impurity in raw material is subjected to removing deposition.
9. a kind of fluidized-bed reactor, including reactor shell, spy is：Lower part sets claim in reactor cylinder body
Gas-liquid distributor described in 1；Wherein the distribution plate of gas-liquid distributor passes through bolt and the bracing ring in wall of reactor
It is connected.
10. a kind of application of gas-liquid distributor described in claim 1 in the reactor system moved upwards with logistics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410563650.7A CN105582861B (en) | 2014-10-22 | 2014-10-22 | A kind of gas-liquid distributor for fluid bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410563650.7A CN105582861B (en) | 2014-10-22 | 2014-10-22 | A kind of gas-liquid distributor for fluid bed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105582861A CN105582861A (en) | 2016-05-18 |
| CN105582861B true CN105582861B (en) | 2018-06-15 |
Family
ID=55922984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410563650.7A Active CN105582861B (en) | 2014-10-22 | 2014-10-22 | A kind of gas-liquid distributor for fluid bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105582861B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007090104A2 (en) * | 2006-01-30 | 2007-08-09 | Advanced Technology Materials, Inc. | Carbonaceous materials useful for fluid storage/dispensing and apparatus and methods utilizing same |
| CN101952023A (en) * | 2007-10-08 | 2011-01-19 | 巴斯夫欧洲公司 | Use of moulded bodies with catalytic properties as reactor fittings |
| CN103100351A (en) * | 2011-11-10 | 2013-05-15 | 中国石油化工股份有限公司 | Gas-liquid distribution plate capable of reducing horizontal susceptibility |
| CN103657540A (en) * | 2012-09-10 | 2014-03-26 | 中国石油化工集团公司 | Gas-liquid distributor for fluidized bed reactor |
-
2014
- 2014-10-22 CN CN201410563650.7A patent/CN105582861B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007090104A2 (en) * | 2006-01-30 | 2007-08-09 | Advanced Technology Materials, Inc. | Carbonaceous materials useful for fluid storage/dispensing and apparatus and methods utilizing same |
| CN101952023A (en) * | 2007-10-08 | 2011-01-19 | 巴斯夫欧洲公司 | Use of moulded bodies with catalytic properties as reactor fittings |
| CN103100351A (en) * | 2011-11-10 | 2013-05-15 | 中国石油化工股份有限公司 | Gas-liquid distribution plate capable of reducing horizontal susceptibility |
| CN103657540A (en) * | 2012-09-10 | 2014-03-26 | 中国石油化工集团公司 | Gas-liquid distributor for fluidized bed reactor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105582861A (en) | 2016-05-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104888774B (en) | Rare earth element-doped hydrotalcite-like precursor loading ruthenium ammonia synthetic catalyst | |
| CN101550051B (en) | Process for preparing arene selectivity by enhancing methanol aromatizatian and process for preparation of catalyst thereof | |
| JP5863668B2 (en) | Reactor with gas supply device at the bottom | |
| CN100512964C (en) | Film catalyst for tertiary amine production and method for producing tertiary amine using same | |
| CN111068589B (en) | Liquid-phase hydrogenation system and liquid-phase hydrogenation method | |
| WO2014000501A1 (en) | Combined filtering process for recycling precious metal from fischer-tropsch synthetic product | |
| CN100551478C (en) | Catalyze rectification packing tower | |
| CN107983270B (en) | Moving bed reactor, solid acid alkylation reaction system and solid acid alkylation reaction method | |
| CN202942885U (en) | Liquid phase catalysis hydrogenation reaction device | |
| CN105582861B (en) | A kind of gas-liquid distributor for fluid bed | |
| CN1327945C (en) | Method for conducting catalytic reaction in ultragravity field | |
| CN103159587A (en) | Application for catalyst in hydrocracking for biological polyol | |
| CN108993531A (en) | A kind of method of spent FCC catalyst resource utilization | |
| CN108531214B (en) | Device and method for continuously removing dissolved oxygen in fuel oil | |
| CN104549067A (en) | Heavy oil hydrogenation slurry bed reactor and heavy oil hydrogenation method | |
| CN203507983U (en) | Novel radial fixed bed reactor of multi-layer bed | |
| CN105582862B (en) | A kind of gas-liquid partition tray for up-flow reactor | |
| CN104926616B (en) | A kind of preparation method of alkyl anthrahydroquinone and a kind of method for producing hydrogen peroxide | |
| CN107617394B (en) | Internal circulation hypergravity heterogeneous catalytic hydrogenation device and application thereof | |
| CN105457682B (en) | The preparation method and applications of vulcanized lead immobilized four (pentafluorophenyl group) catalysis of metalloporphyrin agent | |
| CN102617314A (en) | Application of inorganic alkaline and fixed-bed adsorption technique to deacidification and purification of diisobutyl ketone | |
| CN104399477A (en) | Fischer-Tropsch synthesis catalyst with non-uniformly-distributed metal active center, and preparation method thereof | |
| CN207446202U (en) | A kind of fluidized-bed reactor | |
| CN215139711U (en) | Catalytic hydrogenation reactor | |
| CN202047018U (en) | Device for preparing cyclohexene from benzene through selective hydrogenation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |