CN109092209A - A kind of the catalyst spray granulating system and method for ultrasonic wave added - Google Patents
A kind of the catalyst spray granulating system and method for ultrasonic wave added Download PDFInfo
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- CN109092209A CN109092209A CN201810853799.7A CN201810853799A CN109092209A CN 109092209 A CN109092209 A CN 109092209A CN 201810853799 A CN201810853799 A CN 201810853799A CN 109092209 A CN109092209 A CN 109092209A
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- catalyst
- storage tank
- presoma
- centrifugal
- fine powder
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- 239000003054 catalyst Substances 0.000 title claims abstract description 69
- 239000007921 spray Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000008187 granular material Substances 0.000 claims abstract description 25
- 239000002245 particle Substances 0.000 claims abstract description 12
- 239000003595 mist Substances 0.000 claims abstract description 8
- 238000002604 ultrasonography Methods 0.000 claims abstract description 7
- 238000005507 spraying Methods 0.000 claims abstract description 5
- 238000003860 storage Methods 0.000 claims description 30
- 239000000843 powder Substances 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 15
- 238000005469 granulation Methods 0.000 claims description 11
- 230000003179 granulation Effects 0.000 claims description 11
- 239000002243 precursor Substances 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 6
- 238000007872 degassing Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 239000011230 binding agent Substances 0.000 claims description 4
- 230000001804 emulsifying effect Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 4
- 238000007493 shaping process Methods 0.000 claims description 4
- 239000007962 solid dispersion Substances 0.000 claims description 4
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000006185 dispersion Substances 0.000 abstract 1
- 230000008569 process Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 239000000306 component Substances 0.000 description 2
- 238000009210 therapy by ultrasound Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/02—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
- B01J2/04—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
-
- 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
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/10—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing sonic or ultrasonic vibrations
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/50—Catalysts, in general, characterised by their form or physical properties characterised by their shape or configuration
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Catalysts (AREA)
Abstract
The invention discloses the catalyst spray granulating systems and method of a kind of ultrasonic wave added, the shortcomings that overcoming cavitation simultaneously using the mechanism of ultrasound, use specific system, presoma is granulated to catalyst to be ultrasonically treated, mist projection granulating is carried out again, the system, main component are made of supersonic generator, spraying device, further include the vacuum degasser for reducing cavitation；The liquefaction of gel and the dispersion of solid are realized the beneficial effects of the invention are as follows the mechanical effect that ultrasonic wave is utilized, improving the granule strength of catalyst, constriction particle diameter distribution improves the yield of mist projection granulating；Vacuum outgas is carried out using vacuum degasser, to reduce the influence for the cavitation for generating bubble.
Description
Technical field
The present invention relates to catalysis technical field more particularly to the field shaping techniques of fluid catalyst, and in particular to one
The catalyst spray granulating system and method for kind ultrasonic wave added.
Background technique
Fluidized-bed reactor is a kind of important reactor in the fields such as petrochemical industry, coal chemical industry, fine chemistry industry, has and passes
Hot property is excellent, bed internal temperature uniformly, catalyst successive reaction regeneration cycle can be achieved, the advantages that processing capacity is big.Stream
Catalyst requirement needed for fluidized bed reactor has suitable density, suitable particle diameter distribution and preferable wear-resisting property, generally
It is to be obtained by Spray granulation method.
The typical process of spray granulation is that catalyst active component and carrier, binder are mixed and made into colloidal mixture
Presoma is dispersed into droplet by centrifugation, air-flow or pressure, and keeps the thermal current of drop and high-speed motion rapid by presoma
It contacts and is dried, to obtain the shaping of catalyst particle for being suitable for fluidized bed.But traditional Spray granulation method is easy to appear
The problems such as granule strength is poor, particle size distribution range is wide influences the performance of catalyst.
Ultrasonic wave is the sound wave that frequency is more than 20000Hz, is more than human auditory system upper frequency limit.Ultrasonic wave is propagated in the medium
It can have an effect in the process with medium, be mainly manifested in and promote emulsifying liquid, the mechanism of solation and solid dispersion, production
The cavitation of raw a large amount of minute bubbles and the fuel factor for causing medium heating.The solation of colloidal mixture presoma and solid
Body peptizaiton is advantageous for forming symmetrical liquid drop, so as to obtain the catalyst that particle diameter distribution is narrow, granule strength is high
Shaped granule, and the minute bubbles that cavitation is formed will cause mist projection granulating process and generate a large amount of hollow beads, influence catalyst
Intensity should be inhibited.
Summary of the invention
In view of this, the shortcomings that present invention overcomes cavitation simultaneously using the mechanism of ultrasound, proposes a kind of ultrasound
The catalyst spray granulating system and method for auxiliary.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of catalyst spray granulating system of ultrasonic wave added, including ultrasonic generator 1, are placed in ultrasonic generator 1
Interior catalyst is granulated the storage tank 2 of presoma, the vacuum outgas pump 3 that is connected with the storage tank 2 that catalyst is granulated presoma and
Spray granulation plant.
The delivery pump 4 that the spray granulation plant includes to be connected with the storage tank 2 that catalyst is granulated presoma, passes through conveying
The centrifugal energy nozzle 5 of 4 connection of pump, centrifugal energy nozzle 5 protrude into 8 inner top of centrifugal spray tower body, the air-flow connecting with gas heater 6 point
Cloth device 7 also is located at 8 inner top of centrifugal spray tower body, and 8 lower part of centrifugal spray tower body is connected to cyclone separator 11, centrifugal spray tower body
8 bottoms are connected to coarse granule preformed catalyst storage tank 10 by coarse granule discharge valve 9, and 11 bottom of cyclone separator passes through fine powder discharging
Valve 12 is connected to fine powder preformed catalyst storage tank 13.
The method that the catalyst spray granulating system of the ultrasonic wave added carries out catalyst spray granulation: by catalyst activity
Ingredient and carrier, binder are mixed, and colloidal mixture presoma is made and is placed in the storage tank 2 that catalyst is granulated presoma
In；Open ultrasonic generator 1, colloidal mixture presoma is ultrasonically treated, with promote emulsifying liquid, solation and
Solid dispersion；Vacuum outgas pump 3 is opened, it is de- that the mix precursor being granulated in the storage tank 2 of presoma to catalyst carries out vacuum
Gas, to reduce the influence for the cavitation for generating bubble；The mix precursor that ultrasound and degassing process are completed is made by spraying
Grain.
The catalyst spray prilling process: it is transported to centrifugal energy nozzle 5 through delivery pump 4, is dispersed under the action of the centrifugal small
Drop；Dried medium forms uniform thermal current after the heating of gas heater 6 under the action of air distributor 7, thermal current with
Droplet contact makes droplet drying and moulding；Air-flow carries shaping catalyst particle secretly through centrifugal spray tower body 8 and cyclone separator
11, separate coarse granule, fine powder with air-flow；Coarse granule discharge valve 9 is opened, can be collected from coarse granule preformed catalyst storage tank 10 slightly
Grain forming catalyst；Fine powder discharge valve 12 is opened, fine powder can be collected from fine powder preformed catalyst storage tank 13.
The beneficial effects of the present invention are: the mechanical effect that ultrasonic wave is utilized realizes the liquefaction of gel and point of solid
It dissipates, improves the granule strength of catalyst, constriction particle diameter distribution improves the yield of mist projection granulating.Using vacuum outgas pump 3
Vacuum outgas is carried out, to reduce the influence for the cavitation for generating bubble.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of ultrasonic wave added catalyst spray prilling granulator of the embodiment of the present invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below it is right
A specific embodiment of the invention is described further, but is not therefore limited the scope of protection of the present invention.
Embodiment:
Referring to Fig.1, the catalyst spray granulating system of a kind of ultrasonic wave added, including ultrasonic generator 1, catalyst are granulated
The storage tank 2 of presoma, vacuum outgas pump 3, delivery pump 4, centrifugal energy nozzle 5, gas heater 6, air distributor 7, centrifugal spray
Tower body 8, coarse granule discharge valve 9, coarse granule preformed catalyst storage tank 10, cyclone separator 11, fine powder discharge valve 12, fine powder molding
Catalyst storage tank 13.Wherein, 1 belongs to supersonic generator, and 3 belong to the degasser for reducing cavitation, and 5~8 collectively form
The core component of spraying device, 9~13 collectively form the accessory of spraying device.Wherein: the storage of catalyst granulation presoma
Tank 2 is placed in ultrasonic generator 1, and 3 connection catalyst of vacuum outgas pump is granulated the storage tank 2 of presoma, and centrifugal energy nozzle 5 passes through defeated
The storage tank 2 for sending 4 connection catalyst of pump to be granulated presoma, centrifugal energy nozzle 5 protrude into 8 inner top of centrifugal spray tower body, heat with gas
The air distributor 7 that device 6 connects also is located at 8 inner top of centrifugal spray tower body, and 8 lower part of centrifugal spray tower body is connected to cyclone separator
11,8 bottom of centrifugal spray tower body is connected to coarse granule preformed catalyst storage tank 10, cyclone separator 11 by coarse granule discharge valve 9
Bottom is connected to fine powder preformed catalyst storage tank 13 by fine powder discharge valve 12.
A kind of method that the catalyst spray of ultrasonic wave added is granulated, using system referring to Fig.1, by catalyst active component
It is mixed with carrier, binder, colloidal mixture presoma is made and is placed in the storage tank 2 of catalyst granulation presoma；It beats
Ultrasonic generator 1 is opened, colloidal mixture presoma is ultrasonically treated, to promote emulsifying liquid, solation and solid
Dispersion；Vacuum outgas pump 3 is opened, the mix precursor being granulated in the storage tank 2 of presoma to catalyst carries out vacuum outgas, with
Reduce the influence for generating the cavitation of bubble；The mix precursor that ultrasound and degassing process are completed is transported to through delivery pump 4
Centrifugal energy nozzle 5, is dispersed into droplet under the action of the centrifugal；Air or other dried mediums are after the heating of gas heater 6, in gas
Uniform thermal current is formed under the action of flow distributor 7, thermal current is contacted with droplet makes droplet drying and moulding；Air-flow is entrained into
Type catalyst granules separates coarse granule, fine powder with air-flow through centrifugal spray tower body 8 and cyclone separator 11；Open coarse granule
Discharge valve 9 can collect coarse granule preformed catalyst from coarse granule preformed catalyst storage tank 10；Fine powder discharge valve 12 is opened, it can be from
Fine powder preformed catalyst storage tank 13 collects fine powder.
The effect of embodiment:
Such as without ultrasonic treatment, the particle diameter distribution of catalyst is (with quartile partial size d10~d90Indicate) it is 11-115 μm, it urges
Agent abrasion index is 1.1%/h-1, mist projection granulating yield is 78%；After ultrasonic treatment, the particle diameter distribution of catalyst is
20-88 μm, catalyst abrasion index is 0.85%/h-1, mist projection granulating yield is 85%, it can be seen that, the present invention, which improves, to be urged
The granule strength of agent, constriction particle diameter distribution, improves the yield of mist projection granulating.
The purpose of above-described embodiment is to be easy to the technical means, the creative features, the aims and the efficiencies achieved by the present invention
Understand and understand, be not intended to limit the present invention, all any modifications within the spirit and principle of the invention, made, replacement and
It improves, should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of catalyst spray granulating system of ultrasonic wave added, it is characterised in that: including ultrasonic generator (1), be placed in super
Catalyst in generating device (1) is granulated presoma storage tank (2), is connected with catalyst granulation presoma storage tank (2) true
Sky degassing pump (3) and spray granulation plant.
2. the catalyst spray granulating system of ultrasonic wave added according to claim 1, it is characterised in that: it is described to make by spraying
Grain device includes the delivery pump (4) that catalyst is granulated presoma storage tank (2) connection, the centrifugal energy nozzle connecting with delivery pump (4)
(5), centrifugal energy nozzle (5) protrudes into centrifugal spray tower body (8) inner top, the air distributor (7) connecting with gas heater (6)
Positioned at centrifugal spray tower body (8) inner top, centrifugal spray tower body (8) lower part is connected to cyclone separator (11), centrifugal spray tower body
(8) by coarse granule discharge valve (9) connection coarse granule preformed catalyst storage tank (10), cyclone separator (11) bottom passes through for bottom
Fine powder discharge valve (12) is connected to fine powder preformed catalyst storage tank (13).
3. the method that the catalyst spray granulating system of ultrasonic wave added of any of claims 1 or 2 carries out catalyst spray granulation,
It is characterized by: catalyst active component and carrier, binder are mixed, colloidal mixture presoma is made it is placed in and urge
Agent is granulated in the storage tank (2) of presoma；It opens ultrasonic generator (1), colloidal mixture presoma is ultrasonically treated,
To promote emulsifying liquid, solation and solid dispersion；Vacuum outgas pump (3) is opened, the storage tank of presoma is granulated to catalyst
(2) mix precursor in carries out vacuum outgas, to reduce the influence for the cavitation for generating bubble；Ultrasound and degassing process
The mix precursor of completion carries out mist projection granulating.
4. the method that catalyst spray according to claim 3 is granulated, it is characterised in that: ultrasound is completed with degassing process
Mix precursor is transported to centrifugal energy nozzle (5) through delivery pump (4), is dispersed into droplet under the action of the centrifugal；Dried medium warp
After gas heater (6) heating, uniform thermal current is formed under the action of air distributor (7), thermal current is contacted with droplet
Make droplet drying and moulding；Air-flow carries shaping catalyst particle secretly through centrifugal spray tower body (8) and cyclone separator (11), makes thick
Particle, fine powder are separated with air-flow；It opens coarse granule discharge valve (9), collects coarse granule from coarse granule preformed catalyst storage tank (10)
Preformed catalyst；It opens fine powder fine powder discharge valve (12), collects fine powder from fine powder preformed catalyst storage tank (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810853799.7A CN109092209A (en) | 2018-07-30 | 2018-07-30 | A kind of the catalyst spray granulating system and method for ultrasonic wave added |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810853799.7A CN109092209A (en) | 2018-07-30 | 2018-07-30 | A kind of the catalyst spray granulating system and method for ultrasonic wave added |
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| Publication Number | Publication Date |
|---|---|
| CN109092209A true CN109092209A (en) | 2018-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810853799.7A Pending CN109092209A (en) | 2018-07-30 | 2018-07-30 | A kind of the catalyst spray granulating system and method for ultrasonic wave added |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934108A (en) * | 2021-03-05 | 2021-06-11 | 江苏道宁药业有限公司 | Refining and granulating equipment and method for lactose monohydrate fine powder |
| CN115178265A (en) * | 2022-07-15 | 2022-10-14 | 江苏扬农化工集团有限公司 | Device and method for preparing cyclohexyl acetate hydrogenation catalyst |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1278458A (en) * | 2000-06-27 | 2001-01-03 | 中国科学院上海硅酸盐研究所 | Preparation of spherical alumina particle |
| CN204275917U (en) * | 2014-11-29 | 2015-04-22 | 南京威安新材料科技有限公司 | A kind of centrifugal spray drying system for dry catalyst |
| CN106074462A (en) * | 2016-07-28 | 2016-11-09 | 晨光生物科技集团股份有限公司 | The preparation method of a kind of pressure resistant type lycopene microcapsule and lycopene microcapsule |
-
2018
- 2018-07-30 CN CN201810853799.7A patent/CN109092209A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1278458A (en) * | 2000-06-27 | 2001-01-03 | 中国科学院上海硅酸盐研究所 | Preparation of spherical alumina particle |
| CN204275917U (en) * | 2014-11-29 | 2015-04-22 | 南京威安新材料科技有限公司 | A kind of centrifugal spray drying system for dry catalyst |
| CN106074462A (en) * | 2016-07-28 | 2016-11-09 | 晨光生物科技集团股份有限公司 | The preparation method of a kind of pressure resistant type lycopene microcapsule and lycopene microcapsule |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112934108A (en) * | 2021-03-05 | 2021-06-11 | 江苏道宁药业有限公司 | Refining and granulating equipment and method for lactose monohydrate fine powder |
| CN115178265A (en) * | 2022-07-15 | 2022-10-14 | 江苏扬农化工集团有限公司 | Device and method for preparing cyclohexyl acetate hydrogenation catalyst |
| CN115178265B (en) * | 2022-07-15 | 2023-11-21 | 江苏扬农化工集团有限公司 | Device and method for preparing cyclohexyl acetate hydrogenation catalyst |
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Application publication date: 20181228 |