CN110560176B - Method for drying catalyst carrier ball and its equipment - Google Patents
Method for drying catalyst carrier ball and its equipment Download PDFInfo
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- CN110560176B CN110560176B CN201910749237.2A CN201910749237A CN110560176B CN 110560176 B CN110560176 B CN 110560176B CN 201910749237 A CN201910749237 A CN 201910749237A CN 110560176 B CN110560176 B CN 110560176B
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- mesh belt
- catalyst carrier
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- 238000001035 drying Methods 0.000 title claims abstract description 78
- 239000003054 catalyst Substances 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000007599 discharging Methods 0.000 claims abstract description 11
- 239000008188 pellet Substances 0.000 claims description 25
- 239000010410 layer Substances 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 6
- 239000002002 slurry Substances 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 9
- 235000011114 ammonium hydroxide Nutrition 0.000 description 9
- 239000003350 kerosene Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000013022 venting Methods 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
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0063—Granulating
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0072—Preparation of particles, e.g. dispersion of droplets in an oil bath
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0236—Drying, e.g. preparing a suspension, adding a soluble salt and drying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/02—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces
- F26B17/04—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces the belts being all horizontal or slightly inclined
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to a catalyst carrier balling drying method and adopted equipment, the method comprises the following process steps: the equipment comprises a forming device, a curing device and a drying device, wherein the forming device comprises a ball dropping disc and a ball forming column positioned below the ball dropping disc, the curing device comprises a water tank connected to the lower part of the ball forming column, a first conveying mesh belt is arranged in the water tank, the drying device comprises a plurality of drying boxes and a discharging box, and a circulating fan, a heater and a second conveying mesh belt are arranged in the drying boxes. The catalyst carrier ball drying method can ensure that the sphericity of the produced catalyst reaches the required standard and has high production efficiency; the device adopted by the invention has simple structure and convenient installation, the water tank is provided with the conveying section which is obliquely arranged upwards, the curing time is ensured, the heat utilization rate in the drying oven is high, no tail gas flows out, and the environment is protected.
Description
Technical Field
The invention relates to the technical field of catalyst carrier processing, in particular to a catalyst carrier balling drying method and adopted equipment.
Background
When the catalyst or the catalyst carrier is used for catalytic reaction, the morphology of the catalyst or the catalyst carrier has great influence on the catalytic reaction, wherein when the spherical catalyst is used as the catalyst or the catalyst carrier, the spherical catalyst is in point contact with each other, the catalyst or the catalyst carrier is uniformly stacked, the bed resistance is small, and the mass transfer and the catalytic effect can be improved. The existing widely applied and mature method is an oil column forming method, and the prepared spherical catalyst has some defects such as low purity, limited pore structure regulation range, poor hydrothermal stability of the product and the like due to the limitations of the preparation method and the used raw materials. To overcome the above drawbacks, it is necessary to reduce the impurities of the catalyst slurry, which requires analytical tests on the feedstock; improvements in the manufacturing equipment such as shaping, drying, aging, etc. are also needed, and the corresponding preparation methods are adjusted. In addition, the sphericity requirement of the spherical catalyst in the fields of fine chemical industry and petrochemical industry is higher and higher, so that improvement of manufacturing equipment and manufacturing process is urgent.
Disclosure of Invention
The invention aims to solve the technical problems that: overcomes the defects in the prior art and provides a method for drying the catalyst carrier spheres.
The technical scheme adopted for solving the technical problems is as follows: a catalyst carrier ball drying method comprises the following process steps:
(1) And (3) forming: the catalyst slurry forms catalyst pellets through a ball drop plate, and the catalyst pellets flow out after passing through a ball forming column;
(2) Curing: the catalyst pellets fall into a water tank filled with the mixed solution until the catalyst pellets are suspended above a first conveying mesh belt in the water tank, and then are driven to be conveyed by the first conveying mesh belt and lifted out of the liquid level;
(3) And (3) drying: the wet catalyst pellets are lifted out of the liquid level by the first conveying net belt and then enter a second conveying net belt in the drying device, hot air passes through the bottom of the second conveying net belt, and the hot air exchanges heat with the catalyst pellets and is further solidified;
(4) Discharging: and the dried catalyst pellets are conveyed to a discharge box through a second conveying mesh belt and then collected and output.
Further defined, the surface layer of the mixed solution in the step (2) is provided with a solvent oil, and the density of the solvent oil is less than that of the mixed solution. So arranged, the solvent oil floats on the surface of the mixed solution, and the catalyst pellets flowing out of the ball column drop in a spherical shape by the surface tension of the solvent oil, and are quickly gelled after entering the mixed solution.
Another technical problem to be solved by the invention is: overcomes the defects in the prior art and provides equipment adopted by the method for drying the catalyst carrier spheres.
The technical scheme adopted for solving the technical problems is as follows: the equipment used in the catalyst carrier balling drying method comprises a forming device, a curing device and a drying device, wherein the forming device comprises a balling disk and a balling column positioned below the balling disk, the curing device comprises a water tank connected to the lower part of the balling column, a first conveying mesh belt is arranged in the water tank, the drying device comprises a plurality of drying boxes and a discharging box, and a circulating fan, a heater and a second conveying mesh belt are arranged in the drying boxes.
Further, a flange connected with the water tank is arranged at the lower part of the balling column, and an observation window is arranged at the upper part of the balling column. The tube wiping window is arranged, so that the ball forming process can be observed conveniently.
Further, the water tank is provided with a horizontally arranged feeding section and a obliquely upward conveying section, the conveying section forms an inclination angle of 20 degrees with the horizontal, and the high end of the conveying section is connected with the drying box through a flange.
Further, the first conveying mesh belt comprises a conveying chain, a driving sprocket, a driving motor speed reducer, a roller path and a mesh belt body, wherein the mesh belt body is fixed on the conveying chain, the conveying chain is arranged on the driving sprocket, the driving sprocket rolls on the roller path and is driven to rotate by the driving motor speed reducer.
Further, a guide rail is arranged at the turning part of the rollaway nest. And the guide rail is arranged at the turning part, so that the extrusion and the pulling of the side of the net belt body are reduced.
Still further, the second conveyor belt and the first conveyor belt form a closed loop conveyor belt. The closed loop type conveying net belt is powered by a transmission system, so that space is saved.
Further, the drying cabinet includes earlier stage drying unit and later stage drying unit, and the circulating fan of earlier stage drying unit sets up in the drying cabinet lower part, and the circulating fan of later stage drying unit sets up in the drying cabinet upper portion. The catalyst pellets of the early-stage drying unit are not completely solidified, so that the catalyst pellets are required to be in a suspension state in order to ensure the spherical shape, and therefore, the circulating fan is arranged at the lower part in the drying box, and when the catalyst pellets are solidified before entering the later-stage drying unit, the catalyst pellets can be directly contacted with the mesh belt, so that the catalyst pellets are convenient to transport.
Further, the heater is a steam heater, and a heat preservation and insulation layer is arranged on the heater. So arranged, in order to prevent the temperature of the steam heater from affecting the temperature in the drying cabinet, and in order to ensure the life of the heater.
In order to ensure that no tail gas leaks from the feeding and discharging positions of the net belt body and ensure that the environment monitoring reaches the standard, further, the drying box is provided with a moisture discharging opening and a fresh air supplementing opening, an exhaust fan is connected to the moisture discharging opening, the exhaust fan is connected with a tail gas treatment system through an exhaust pipe, and a heat preservation layer is arranged at the joint of the moisture discharging opening and the exhaust fan. The joint of the moisture exhaust port and the exhaust fan is provided with an insulating layer to prevent condensed water.
The beneficial effects of the invention are as follows: the method for pelletizing and drying the catalyst carrier can ensure that the sphericity of the produced catalyst carrier reaches the required standard and has high production efficiency; the device adopted by the invention has simple structure and convenient installation, the water tank is provided with the conveying section which is obliquely arranged upwards, the curing time is ensured, the heat utilization rate in the drying oven is high, no tail gas flows out, and the environment is protected.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic diagram of the structure of the apparatus of the present invention.
Fig. 2 is a schematic diagram of the structure of fig. 1 in the a direction.
Figure 3 is a partial cross-sectional view of a drying oven in the apparatus of the present invention.
In the figure: the device comprises a ball column 1, a water tank 3, a first conveying net belt 4, a drying box 5, a discharging box 6, a circulating fan 7, a heater 8, a second conveying net belt 9, an exhaust fan 10, an exhaust pipe 31, a conveying chain 32, a transmission chain wheel 33, a transmission motor reducer 34, a guide rail 35 and a net belt body.
Detailed Description
The invention will now be further described with reference to the drawings and preferred embodiments. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
Examples:
In this example, ammonia water was used as the mixed solution, and kerosene was used as the solvent oil. The catalyst carrier ball drying method specifically comprises the following steps: when the catalyst is used, ammonia water is firstly injected into a water tank 2 to set a liquid level, then kerosene is injected into the set liquid level, catalyst slurry forms small balls through a ball drop disc, the small balls sequentially fall into a kerosene layer and an ammonia water layer through a ball column 1 until falling above a first conveying mesh belt 3, the first conveying mesh belt 3 slowly moves, the small balls of the catalyst are lifted out of the liquid level, and the small balls of the catalyst finish the solidification process in the kerosene layer and the ammonia water; the wet spherical catalyst is transferred from the first conveying mesh belt 3 to the second conveying mesh belt 8 and then enters a drying device, hot air penetrates through the mesh belt body from the bottom of the second conveying mesh belt 8 to carry out heat and mass exchange with catalyst pellets in the drying device, the drying ageing degree of materials is controlled by independently adjusting the temperature of hot air of each unit in the drying device, and the materials are operated in the device for 3 hours, namely, the drying ageing is carried out for 3 hours, so that the set process is completed. Moisture evaporated from the materials in the drying process enters hot air and is discharged after being discharged out of the tail gas treatment system.
The process is controlled by a set of control system, and can set the conveying speed of materials, set the temperature of each unit of the drying area, control the operation of various electric appliances such as a heater, a fan and the like, display the temperature and the pressure and the like.
As shown in fig. 1-3, the equipment adopted by the catalyst carrier balling drying method comprises a forming device, a curing device and a drying device, wherein the forming device comprises a balling tray and a balling column 1 positioned below the balling tray, the curing device comprises a water tank 2 connected to the lower part of the balling column 1, a first conveying mesh belt 3 is arranged in the water tank 2, the drying device comprises a plurality of drying boxes 4 and discharging boxes 5, and a circulating fan 6, a heater 7 and a second conveying mesh belt 8 are arranged in the drying boxes 4.
The balling column 1 is of a cuboid structure, a platform is arranged at the upper part of the balling column, a flange is arranged at the lower part of the balling column and connected with the water tank 2, and observation windows are arranged at the front and back parts above the balling column 1, so that the balling process can be observed conveniently. Two liquid level meters are arranged on the ball column 1, one monitors the height of kerosene, and the other monitors the height of an ammonia water layer. If the ammonia water layer is low, an alarm is given, and fresh ammonia water is supplemented. The ball forming column 1 is also provided with an ammonia water overflow port, a kerosene overflow port and a kerosene return port.
The water tank 2 is of a rectangular structure, the feeding section is of a horizontal structure, and the conveying section is of an inclined structure forming 20 degrees with the horizontal. The high end of the conveying section is connected with a flange of the drying device. The water tank 2 is provided with a first conveying net belt 3, and the water tank 2 is provided with a sight glass, a liquid outlet, a liquid injection port, a sewage outlet, an overhaul port and the like. The upper end and the lower end of the conveying section are provided with windows. The bottom of the water tank 2 is provided with an ammonia water return port.
The first conveying mesh belt 3 comprises a conveying chain 31, a driving sprocket 32, a driving motor speed reducer 33, a roller path and a mesh belt body 35, wherein the mesh belt body 35 is fixed on the conveying chain 31, the conveying chain 31 is arranged on the driving sprocket 32, the driving sprocket 32 rolls on the roller path, and the driving motor speed reducer 33 drives the conveying chain to rotate. The turns of the raceways are provided with guide rails 34. The second conveyor belt 8 forms a closed loop conveyor belt with the first conveyor belt 3. The closed loop type conveying net belt is powered by a transmission system, so that space is saved.
The drying box 4 is of a rectangular box-type structure with heat preservation, adopts a convection heat transfer mode, four earlier-stage drying units and eight later-stage drying units, wherein hot air circulates from bottom to top in a flow-through mode, and a circulating air channel is of a single-sided side wall type. Each drying unit has an independent heater 7, circulation fan 6, temperature sensing element, access door and explosion venting. The circulating fan 6 is a centrifugal fan, the heater 7 is a steam heater, and the heater 7 is provided with a heat preservation and insulation layer. Temperature measuring elements are arranged above and below the material layers of the boxes, and temperature measuring points in the upstream direction of hot air are used as monitoring points.
The drying cabinet 4 is provided with a moisture outlet and a fresh air supplementing port, the moisture outlet is connected with an exhaust fan 9, the exhaust fan 9 is connected with a tail gas treatment system through an exhaust pipe 10, and an insulating layer is arranged at the joint of the moisture outlet and the exhaust fan to prevent condensate water.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be included in the scope of the present invention.
Claims (7)
1. The method for drying the catalyst carrier ball is characterized by comprising the following process steps:
(1) And (3) forming: the catalyst slurry passes through a sphere plate to form alumina spheres, the catalyst spheres flow out after passing through a sphere column, and the sphere column is positioned below the sphere plate;
(2) Curing: the wet catalyst pellets fall into a water tank filled with the mixed solution until the catalyst pellets are suspended above a first conveying mesh belt in the water tank, and then are driven to be conveyed by the first conveying mesh belt and lifted out of the liquid level, wherein the water tank is connected to the lower part of the ball forming column;
(3) And (3) drying: the catalyst pellets are lifted out of the liquid level by the first conveying net belt and then enter a second conveying net belt in the drying device, hot air passes through the bottom of the second conveying net belt, and the hot air exchanges heat with the catalyst pellets and is further solidified;
(4) Discharging: the dried catalyst pellets are conveyed to a discharge box through a second conveying mesh belt, and then collected and output;
the drying device comprises a plurality of drying boxes and a discharging box, a circulating fan, a heater and a second conveying net belt are arranged in the drying boxes,
The water tank is provided with a horizontally arranged feeding section and a conveying section which is obliquely arranged upwards, the conveying section forms an inclination angle of 20 degrees with the horizontal, and the high end of the conveying section is connected with the drying box through a flange;
the drying box comprises a front-stage drying unit and a rear-stage drying unit, wherein a circulating fan of the front-stage drying unit is arranged at the lower part in the drying box, and a circulating fan of the rear-stage drying unit is arranged at the upper part in the drying box;
The drying cabinet is provided with a moisture removal opening and a fresh air supplementing opening, the moisture removal opening is connected with an exhaust fan, the exhaust fan is connected with a tail gas treatment system through an exhaust pipe, and a heat preservation layer is arranged at the joint of the moisture removal opening and the exhaust fan.
2. The method for drying the catalyst carrier pellets according to claim 1, characterized in that: and (3) arranging solvent oil on the surface layer of the mixed solution in the step (2), wherein the density of the solvent oil is smaller than that of the mixed solution.
3. The method for drying the catalyst carrier pellets according to claim 1, characterized in that: the lower part of the balling column is provided with a flange connected with the water tank, and the upper part of the balling column is provided with an observation window.
4. The method for drying the catalyst carrier pellets according to claim 1, characterized in that: the first conveying mesh belt comprises a conveying chain, a driving sprocket, a driving motor speed reducer, a roller path and a mesh belt body, wherein the mesh belt body is fixed on the conveying chain, the conveying chain is arranged on the driving sprocket, the driving sprocket rolls on the roller path, and the driving motor speed reducer drives the conveying chain to rotate.
5. The method for drying the pellets of the catalyst carrier according to claim 4, characterized in that: and a guide rail is arranged at the turning part of the rollaway nest.
6. The method for drying the catalyst carrier pellets according to claim 1, characterized in that: the second conveying mesh belt and the first conveying mesh belt form a closed-loop conveying mesh belt.
7. The method for drying the catalyst carrier pellets according to claim 1, characterized in that: the heater is a steam heater, and a heat preservation and insulation layer is arranged on the heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910749237.2A CN110560176B (en) | 2019-08-14 | 2019-08-14 | Method for drying catalyst carrier ball and its equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910749237.2A CN110560176B (en) | 2019-08-14 | 2019-08-14 | Method for drying catalyst carrier ball and its equipment |
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| Publication Number | Publication Date |
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| CN110560176A CN110560176A (en) | 2019-12-13 |
| CN110560176B true CN110560176B (en) | 2024-05-03 |
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| CN201910749237.2A Active CN110560176B (en) | 2019-08-14 | 2019-08-14 | Method for drying catalyst carrier ball and its equipment |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114505011B (en) * | 2020-10-28 | 2023-08-08 | 中国石油化工股份有限公司 | Catalyst forming device and application thereof |
| CN114505010B (en) * | 2020-10-28 | 2023-07-14 | 中国石油化工股份有限公司 | Catalyst oil ammonia forming method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2546618A1 (en) * | 1983-05-25 | 1984-11-30 | Silvestre Janine | Atmospheric drier with reversible air circulation |
| CN1323541A (en) * | 2000-05-12 | 2001-11-28 | 株式会社富士制作所 | Method and apparatus for hot wind drying instant noodle |
| CN2555643Y (en) * | 2002-07-26 | 2003-06-18 | 秦皇岛烟草机械有限责任公司 | Single-deck white rib tobacco roaster |
| CN201467961U (en) * | 2009-09-03 | 2010-05-19 | 陆文光 | Dewatered vegetable continuous processing device |
| CN205095740U (en) * | 2015-10-21 | 2016-03-23 | 中国石油化工股份有限公司 | Ball -type oxide forming device |
| CN205095741U (en) * | 2015-10-21 | 2016-03-23 | 中国石油化工股份有限公司 | Oxide bobble forming device |
| CN205505639U (en) * | 2016-02-17 | 2016-08-24 | 江苏太阳臣干燥科技有限公司 | Special dry production line of iron oxide pigment |
| CN106045274A (en) * | 2016-07-21 | 2016-10-26 | 山东博润工业技术股份有限公司 | MVR belt sludge drying machine |
| CN211964212U (en) * | 2019-08-14 | 2020-11-20 | 常州市范群干燥设备有限公司 | Catalyst carrier balling drying equipment |
-
2019
- 2019-08-14 CN CN201910749237.2A patent/CN110560176B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2546618A1 (en) * | 1983-05-25 | 1984-11-30 | Silvestre Janine | Atmospheric drier with reversible air circulation |
| CN1323541A (en) * | 2000-05-12 | 2001-11-28 | 株式会社富士制作所 | Method and apparatus for hot wind drying instant noodle |
| CN2555643Y (en) * | 2002-07-26 | 2003-06-18 | 秦皇岛烟草机械有限责任公司 | Single-deck white rib tobacco roaster |
| CN201467961U (en) * | 2009-09-03 | 2010-05-19 | 陆文光 | Dewatered vegetable continuous processing device |
| CN205095740U (en) * | 2015-10-21 | 2016-03-23 | 中国石油化工股份有限公司 | Ball -type oxide forming device |
| CN205095741U (en) * | 2015-10-21 | 2016-03-23 | 中国石油化工股份有限公司 | Oxide bobble forming device |
| CN205505639U (en) * | 2016-02-17 | 2016-08-24 | 江苏太阳臣干燥科技有限公司 | Special dry production line of iron oxide pigment |
| CN106045274A (en) * | 2016-07-21 | 2016-10-26 | 山东博润工业技术股份有限公司 | MVR belt sludge drying machine |
| CN211964212U (en) * | 2019-08-14 | 2020-11-20 | 常州市范群干燥设备有限公司 | Catalyst carrier balling drying equipment |
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