CN105363231A - Centrifugal spray drying apparatus capable of preventing catalyst from adhering to walls - Google Patents
Centrifugal spray drying apparatus capable of preventing catalyst from adhering to walls Download PDFInfo
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- CN105363231A CN105363231A CN201510842151.6A CN201510842151A CN105363231A CN 105363231 A CN105363231 A CN 105363231A CN 201510842151 A CN201510842151 A CN 201510842151A CN 105363231 A CN105363231 A CN 105363231A
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- 238000001694 spray drying Methods 0.000 title claims abstract description 18
- 238000001035 drying Methods 0.000 claims abstract description 97
- 239000000463 material Substances 0.000 claims abstract description 30
- 239000004744 fabric Substances 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 239000000428 dust Substances 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims description 38
- 239000007788 liquid Substances 0.000 claims description 20
- 238000000889 atomisation Methods 0.000 claims description 17
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- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The present invention relates to a centrifugal spray drying apparatus capable of preventing a catalyst from adhering to walls. The apparatus comprises a centrifugal drying tower, a feeding apparatus, a heating apparatus, a cooling feeding device, a dust removal and evacuation apparatus and an intelligent control box; the middle of the top of the drying tower is provided with a volute hot air distributor and a variable frequency centrifugal atomizer, a heating apparatus is connected to an air inlet of the volute hot air distributor via a hot air pipeline, the cooling feeding device is mounted on the bottom of the drying tower, the upper side wall of the inside of the drying tower is provided with a cloth filter chamber, the bottom of the cloth filter chamber is open, the outer side of the drying tower is provided with a cooling sandwich layer, and the intelligent control box is connected to the variable frequency centrifugal atomizer, a material conveying pump, the heating apparatus, the cooling feeding device, an air outlet fan, an induced draft fan and an electric butterfly valve via wires, and working parameters of the whole drying apparatus are controlled accurately. The apparatus is high in drying speed and simple and stable in operation, and the circumstance that materials are adhered to walls is avoided, so that drying quality of the catalyst and the continuity of the drying operation are improved.
Description
Technical field
The present invention relates to catalyst preparation technical field, be specifically related to the spray-drying installation of the drying of a kind of catalyst and granulation, particularly relate to a kind of catalyst feed that can effectively prevent and the centrifugal spray drying device of wall sticking phenomenon occurs in drying tower.
Background technology
Catalyst has irreplaceable status in modern chemical industry, about has the chemical reaction of 80% relevant with the existence of catalyst.Existing catalyst mostly is nanoscale or micron-sized granular powder, and between particle and solution, Presence of an interface tension force, easily produces particle aggregation, and therefore in the process of solution reaction Kaolinite Preparation of Catalyst powder, drying is extremely crucial operation.Spraying dry is modal a kind of the dry technology of liquid dried powdered product in chemical engineering industry, its operation principle is: by the method for spraying, material is sprayed into droplet dispersion in hot-air, material and hot-air be and flow, the mode of adverse current or mixed flow contacts with each other, moisture is evaporated rapidly, reaches dry object.Adopt this drying means, the unit operations such as concentrated, filtration, pulverizing can be saved, and drying time short (general drying time is 5 ~ 30s), destroy few to the active ingredient of dried material.But existing catalyst drying device is carrying out in spray-dired process, the dried material of frequent appearance adheres to the phenomenon on drying tower inwall, because sticky wall material is comparatively difficult to be taken out of drying tower in time, thus adhesion material is caused to burn or the rotten quality affecting catalyst powder; In order to improve the quality of product, remove the sticky wall material in drying tower, midway of having to stops drying, and then causes the operation cycle long, and production efficiency is low, continued operation is difficult.
Summary of the invention
The present invention is just for the technical problem existed in prior art, a kind of centrifugal spray drying device preventing catalyst from gluing wall is provided, this device overall construction design is ingenious, automaticity is high, effectively can avoid dry catalyst that the phenomenon of sticky wall occurs in drying tower, improve the quality of finished catalyst.
To achieve these goals, the technical solution used in the present invention is, a kind of centrifugal spray drying device preventing catalyst from gluing wall, comprise the centrifugal drying tower of vertical upper cylinder and lower circular cone composite construction, feeding device, heater, cooling blanking device, dedusting emptier and intelligent control box, in the middle part of the tower top of drying tower, be provided with spiral case hot-air distributor and frequency conversion centrifugal atomizer, the nozzle of described frequency conversion centrifugal atomizer extends to drying tower inside through the cone of spiral case hot-air distributor; The material-storage jar of described feeding device is connected to the charging aperture of frequency conversion centrifugal atomizer by dehvery pump, described heater connects the air inlet of spiral case hot-air distributor by hot air duct, described cooling blanking device is arranged on the bottom of drying tower and connects with drying tower discharging opening, described dedusting emptier comprises the dust removing purifier and exhaust fan that are connected, and described dust removing purifier connects the evacuation port of drying tower; Be provided with cloth envelop collector room at the tower internal upper part sidewall of drying tower, drying tower evacuation port is opened on the sidewall of cloth envelop collector room, and the bottom of cloth envelop collector room is uncovered, is provided with multiple dismountable cloth envelop collector in cloth envelop collector indoor; The outside of described drying tower is provided with a cooling sandwith layer, and on the cooling sandwith layer being positioned at tower top place, offer a cold wind air-vent, and this cold wind air-vent connects air-introduced machine by cold air duct, and is provided with electric butterfly valve on cold air duct; Described intelligent control box connects frequency conversion centrifugal atomizer, dehvery pump, heater, cooling blanking device, exhaust fan, air-introduced machine and electric butterfly valve by wire, accurately controls the running parameter of whole drying device.The ingenious practicality of described whole Technical Design, control and management is convenient for production, material effectively can be avoided to glue the phenomenon of wall, catalyst powder purity is after drying high, quality better.
As a modification of the present invention, the front end of described heater is provided with air cleaner, air is delivered to by pressure fan in electric heater and is formed hot blast after heating after described air cleaner filters, hot blast after spiral case hot-air distributor distributes helically state to enter in drying tower and carry out the exchange of heat and matter with the atomization feed liquid that sprays in the nozzle from frequency conversion centrifugal atomizer.The covering radius of hot blast is comparatively large and distribution is comparatively even, can fully effectively be combined with atomization feed liquid, rapidly by the moisture evaporate to dryness in atomization feed liquid.
As a modification of the present invention; feeding pipe between dehvery pump and frequency conversion centrifugal atomizer is provided with filter; for the crude fibre in filter material and bulky grain foreign material; to prevent distributing device and the atomizing disk passage of feed blocking frequency conversion centrifugal atomizer; thus the moment making material shape become droplet and leave atomizing disk is just formed and is atomized feed liquid uniformly, improve catalyst powder or granulation uniformity.
As a modification of the present invention, described dehvery pump adopts membrane pump, adopts ball face sealing, good seal performance between the valve seat of this membrane pump and valve ball, and effectively ensure that the uniformity entering material in frequency conversion centrifugal atomizer, thus improve charging rate and charging continuity.
As a modification of the present invention, the cone length stretched in drying tower of described spiral case hot-air distributor is 100 ~ 200mm, the nozzle length stretched in drying tower of described frequency conversion centrifugal atomizer is 200 ~ 250mm, can prevent atomization feed liquid from forming coke powder at drying tower tower top because too high hot blast temperature causes over-drying like this.
As a modification of the present invention, the air inlet of described spiral case hot-air distributor is provided with EAT sensor, leaving air temp sensor is provided with at the air outlet of spiral case hot-air distributor, described electric heater is provided with temperature controller, EAT sensor, leaving air temp sensor are all connected with intelligent control box by wire with temperature controller, and then accomplish the baking temperature that accurately controls in drying tower, improve the effect of catalyst drying.
As a modification of the present invention, upper wind deflector and the lower wind deflector of described spiral case hot-air distributor are all arranged in cone, the angle of described upper wind deflector and cone axis is 25 ~ 30 °, the angle of lower wind deflector and cone axis is 0 °, and the quantity of upper wind deflector is the twice of lower wind deflector quantity, hot blast can be made like this to enter in drying tower can be uniformly distributed and ensure that hot blast rotates, thus the time of contact extended between hot blast and atomization feed liquid, the heat and mass between hot blast and atomization feed liquid is impelled to complete in Best Times, the phenomenon effectively avoiding wet stock to glue wall occurs.
As a modification of the present invention, the inside and outside wall of described drying tower inwall and cloth envelop collector room is all provided with one deck hydrophobic layer, makes the material selection polytetrafluoroethylene (PTFE) of described hydrophobic layer, and the tower inner drying temperature that it can tolerate is 0 ~ 250 DEG C.
As a modification of the present invention, described frequency conversion centrifugal atomizer adopts associated mode high speed centrifugal atomization device, variable-frequency motor on atomizer is directly connected by the rotating shaft of shaft coupling with atomizing disk top, thus the phenomenon that can effectively avoid atomizing disk to deflect in rotary course, thus can guarantee that the nozzle of atomizing disk bottom does not offset, effectively avoid the local material wall sticking phenomenon produced because of nozzle inclination.And shaft coupling is fixedly mounted on atomizing disk top by bearing block, impact substantially not vibrated in atomizing disk rotating shaft rotation process, avoids occurring that material glues the phenomenon of wall further.
As a modification of the present invention, the nozzle of described frequency conversion centrifugal atomizer adopts thyrite to make, due to this material have high temperature resistant, to acid-alkali salt, there is the advantage such as good corrosion resistance and good chemical stability, make nozzle operation in drying tower environment, have lower wear rate and good chemical property, thus improve the service life of frequency conversion centrifugal atomizer, also effectively ensure that the uniformity coefficient of atomization feed liquid.
Relative to prior art, advantage of the present invention is as follows, 1) overall construction design of this drying device is ingenious, disassembly and assembly convenient maintenance and replacement, cost is lower and rate of drying fast, and feed liquid is amassed through atomization rear surface to be increased greatly, and in hot-air flow, moment can evaporate the moisture content of 95% to 99%, the time completing drying only needs tens seconds to several tens of seconds, and the epigranular of drying gained catalyst powder, good fluidity, dissolubility are good and product purity is high, quality is good; 2) this device is simple to operate stable, the Drying Technology Parameter that baking temperature, feed rate, discharge velocity, intake air temperature, air outlet temperature etc. are relevant only need be pre-set in intelligent control box, after start, whole device enters the state of Automatic continuous work, whole dry run carries out full-automatic centralized Control by intelligent control box, control and management is convenient, effectively reduces the labour intensity of operating personnel; 3) cloth envelop collector room is set in centrifugal drying tower, effectively prevent be arranged on drying tower outside in the past rewinding dust arrester on the impact of drying tower inner drying air-flow, thus guarantee that atomization feed liquid is in the abundant degree of tower inner drying, and material wall sticking phenomenon is avoided to occur; The recyclable attritive powder taken away by air-flow of cloth envelop collector of the indoor setting of cloth envelop collector simultaneously, and the cone bottom discharge mouth that the powder after reclaiming falls to drying tower again due to the effect of self gravitation is discharged outside tower together with the powder fallen after drying, waste gas enters air by exhaust fan by evacuation port after dust removing purifier udst separation; 4) owing to have employed the good spiral case hot-air distributor of air-supply uniformity and the good frequency conversion centrifugal atomizer of atomizing effect, in addition on drying tower inner wall of tower, the contact angle of liner is greater than the setting of cooling sandwith layer on the hydrophobic layer of 90 ° and outer wall, material wall sticking phenomenon is there is hardly when adopting this drying device to carry out catalyst drying process, effectively improve the quality of catalyst drying and the continuity of drying process, while substantially increasing drying efficiency, add the economic benefit of enterprise.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the structural representation of spiral case hot-air distributor of the present invention.
Fig. 3 is the structural representation of frequency conversion centrifugal atomizer of the present invention.
In figure: 1-centrifugal drying tower, 2-frequency conversion centrifugal atomizer, 3-spiral case hot-air distributor, 4-material-storage jar, 5-dehvery pump, 6-filter, 7-cools blanking device, 8-pressure fan, 9-air cleaner, 10-electric heater, 11-cloth envelop collector room, 12-cloth envelop collector, 13-dust removing purifier, 14-exhaust fan, 15-intelligent control box, 16-air-introduced machine, 17-electric butterfly valve, 18-air inlet, the upper wind deflector of 19-, 20-cone, wind deflector under 21-, 22-conical shell, 23-air outlet, 24-variable-frequency motor, 25-shaft coupling, 26-bearing block, 27-rotating shaft, 28-atomizing disk, 29-cooling sandwith layer.
Detailed description of the invention
In order to deepen the understanding of the present invention and understanding, below in conjunction with accompanying drawing, the invention will be further described and introduce.
embodiment 1:as Fig. 1-Fig. 3, a kind of centrifugal spray drying device preventing catalyst from gluing wall, comprise the centrifugal drying tower 1 of vertical upper cylinder and lower circular cone composite construction, feeding device, heater, cooling blanking device 7, dedusting emptier and intelligent control box 15, in the middle part of the tower top of drying tower 1, be provided with spiral case hot-air distributor 3 and frequency conversion centrifugal atomizer 2, it is inner that the nozzle of described frequency conversion centrifugal atomizer 2 extends to drying tower 1 through the cone 20 of spiral case hot-air distributor 3; The material-storage jar 4 of described feeding device is connected to the charging aperture of frequency conversion centrifugal atomizer 2 by dehvery pump 5, described heater connects the air inlet 18 of spiral case hot-air distributor 3 by hot air duct, described cooling blanking device 7 is arranged on the bottom of drying tower 1 and connects with drying tower 1 discharging opening, described dedusting emptier comprises the dust removing purifier 13 and exhaust fan 14 that are connected, and described dust removing purifier 13 connects the evacuation port of drying tower 1; Be provided with cloth envelop collector room 11 at the tower internal upper part sidewall of drying tower 1, drying tower 1 evacuation port is opened on the sidewall of cloth envelop collector room 11, and the bottom of cloth envelop collector room 11 is uncovered, is provided with multiple dismountable cloth envelop collector 126 in cloth envelop collector room 11; The outside of described drying tower 1 is provided with a cooling sandwith layer 29, and offers a cold wind air-vent on the cooling sandwith layer 29 being positioned at tower top place, and this cold wind air-vent connects air-introduced machine 16 by cold air duct, and on cold air duct, be provided with electric butterfly valve 17; Described intelligent control box 15 connects frequency conversion centrifugal atomizer 2, dehvery pump 5, heater, cooling blanking device 7, exhaust fan 14, air-introduced machine 16 and electric butterfly valve 17 by wire, accurately controls the running parameter of whole drying device.The ingenious practicality of described whole Technical Design, control and management is convenient for production, material effectively can be avoided to glue the phenomenon of wall, catalyst powder purity is after drying high, quality better.
embodiment 2:as Fig. 1, as a modification of the present invention, the front end of described heater is provided with air cleaner 96, air is delivered to by pressure fan 8 in electric heater 10 and is formed hot blast after heating after described air cleaner 96 filters, hot blast after spiral case hot-air distributor 3 distributes helically state to enter drying tower 1 in and carry out the exchange of heat and matter with the atomization feed liquid that sprays in the nozzle from frequency conversion centrifugal atomizer 2.The covering radius of hot blast is comparatively large and distribution is comparatively even, can fully effectively be combined with atomization feed liquid, rapidly by the moisture evaporate to dryness in atomization feed liquid.All the other structures are identical with embodiment 1 with advantage.
embodiment 3:as Fig. 1; as a modification of the present invention; feeding pipe between dehvery pump 5 and frequency conversion centrifugal atomizer 2 is provided with filter 6; for the crude fibre in filter material and bulky grain foreign material; to prevent distributing device and atomizing disk 28 passage of feed blocking frequency conversion centrifugal atomizer 2; thus the moment making material shape become droplet and leave atomizing disk 28 is just formed and is atomized feed liquid uniformly, improve catalyst powder or granulation uniformity.All the other structures are identical with embodiment 1 with advantage.
embodiment 4:as a modification of the present invention, described dehvery pump 5 adopts membrane pump, adopts ball face sealing, good seal performance between the valve seat of this membrane pump and valve ball, and effectively ensure that the uniformity entering material in frequency conversion centrifugal atomizer 2, thus improve charging rate and charging continuity.All the other structures are identical with embodiment 1 with advantage.
embodiment 5:as Fig. 2, as a modification of the present invention, cone 20 length stretched in drying tower 1 of described spiral case hot-air distributor 3 is 100 ~ 200mm, the nozzle length stretched in drying tower 1 of described frequency conversion centrifugal atomizer 2 is 200 ~ 250mm, can prevent atomization feed liquid from forming coke powder at drying tower 1 tower top because too high hot blast temperature causes over-drying like this.All the other structures are identical with embodiment 1 with advantage.
embodiment 6:as Fig. 3, as a modification of the present invention, the air inlet 18 of described spiral case hot-air distributor 3 is provided with EAT sensor, leaving air temp sensor is provided with at the air outlet 23 of spiral case hot-air distributor 3, described electric heater 10 is provided with temperature controller, EAT sensor, leaving air temp sensor are all connected with intelligent control box 15 by wire with temperature controller, and then accomplish accurately to control the baking temperature in drying tower 1, improve the effect of catalyst drying.All the other structures are identical with embodiment 1 with advantage.
embodiment 7:as a modification of the present invention, upper wind deflector 19 and the lower wind deflector 21 of described spiral case hot-air distributor 3 are all arranged in cone 20, described upper wind deflector 19 is 25 ~ 30 ° with the angle of cone 20 axis, lower wind deflector 21 is 0 ° with the angle of cone 20 axis, and the quantity of upper wind deflector 19 is twices of lower wind deflector 21 quantity, hot blast can be made like this to enter in drying tower 1 can be uniformly distributed and ensure that hot blast rotates, thus the time of contact extended between hot blast and atomization feed liquid, the heat and mass between hot blast and atomization feed liquid is impelled to complete in Best Times, the phenomenon effectively avoiding wet stock to glue wall occurs.All the other structures are identical with embodiment 1 with advantage.
embodiment 8:as a modification of the present invention, the inside and outside wall of described drying tower 1 inwall and cloth envelop collector room 11 is all provided with one deck hydrophobic layer, makes the material selection polytetrafluoroethylene (PTFE) of described hydrophobic layer, and the tower inner drying temperature that it can tolerate is 0 ~ 250 DEG C.All the other structures are identical with embodiment 1 with advantage.
embodiment 9:as a modification of the present invention, described frequency conversion centrifugal atomizer 2 adopts associated mode high speed centrifugal atomization device, variable-frequency motor 24 on atomizer is directly connected by the rotating shaft 27 of shaft coupling 25 with atomizing disk 28 top, thus effectively can avoid the phenomenon that atomizing disk 28 deflects in rotary course, thus can guarantee that the nozzle of atomizing disk 28 bottom does not offset, effectively avoid the local material wall sticking phenomenon produced because of nozzle inclination.And shaft coupling 25 is fixedly mounted on atomizing disk 28 top by bearing block 26, impact substantially not vibrated in atomizing disk 28 rotating shaft 27 rotation process, avoids occurring that material glues the phenomenon of wall further.All the other structures are identical with embodiment 1 with advantage.
embodiment 10:as a modification of the present invention, the nozzle of described frequency conversion centrifugal atomizer 2 adopts thyrite to make, due to this material have high temperature resistant, to acid-alkali salt, there is the advantage such as good corrosion resistance and good chemical stability, nozzle operation is made to have lower wear rate and good chemical property in drying tower 1 environment, thus improve the service life of frequency conversion centrifugal atomizer 2, also effectively ensure that the uniformity coefficient of atomization feed liquid.All the other structures are identical with embodiment 1 with advantage.
At least one in technical characteristic described in embodiment 2,3,4,5,6,7,8,9,10 and embodiment 1 can also be combined to form new embodiment by the present invention.
It should be noted that above-described embodiment, be not used for limiting protection scope of the present invention, equivalents done on the basis of technique scheme or the alternative scope all falling into the claims in the present invention and protect.
Claims (10)
1. the centrifugal spray drying device that can prevent catalyst from gluing wall, it is characterized in that: comprise the centrifugal drying tower of vertical upper cylinder and lower circular cone composite construction, feeding device, heater, cooling blanking device, dedusting emptier and intelligent control box, in the middle part of the tower top of drying tower, be provided with spiral case hot-air distributor and frequency conversion centrifugal atomizer, the nozzle of described frequency conversion centrifugal atomizer extends to drying tower inside through the cone of spiral case hot-air distributor; The material-storage jar of described feeding device is connected to the charging aperture of frequency conversion centrifugal atomizer by dehvery pump, described heater connects the air inlet of spiral case hot-air distributor by hot air duct, described cooling blanking device is arranged on the bottom of drying tower and connects with drying tower discharging opening, described dedusting emptier comprises the dust removing purifier and exhaust fan that are connected, and described dust removing purifier connects the evacuation port of drying tower; Be provided with cloth envelop collector room at the tower internal upper part sidewall of drying tower, drying tower evacuation port is opened on the sidewall of cloth envelop collector room, and the bottom of cloth envelop collector room is uncovered, is provided with multiple dismountable cloth envelop collector in cloth envelop collector indoor; The outside of described drying tower is provided with a cooling sandwith layer, and on the cooling sandwith layer being positioned at tower top place, offer a cold wind air-vent, and this cold wind air-vent connects air-introduced machine by cold air duct, and is provided with electric butterfly valve on cold air duct; Described intelligent control box connects frequency conversion centrifugal atomizer, dehvery pump, heater, cooling blanking device, exhaust fan, air-introduced machine and electric butterfly valve by wire, accurately controls the running parameter of whole drying device.
2. can prevent catalyst from gluing the centrifugal spray drying device of wall as claimed in claim 1, it is characterized in that, the front end of described heater is provided with air cleaner, air is delivered to by pressure fan in electric heater and is formed hot blast after heating after described air cleaner filters, hot blast after spiral case hot-air distributor distributes helically state to enter in drying tower and carry out the exchange of heat and matter with the atomization feed liquid that sprays in the nozzle from frequency conversion centrifugal atomizer.
3. can prevent catalyst from gluing the centrifugal spray drying device of wall as claimed in claim 2, it is characterized in that, the feeding pipe between dehvery pump and frequency conversion centrifugal atomizer is provided with filter.
4. can prevent catalyst from gluing the centrifugal spray drying device of wall as claimed in claim 1, it is characterized in that, the air inlet of described spiral case hot-air distributor is provided with EAT sensor, leaving air temp sensor is provided with at the air outlet of spiral case hot-air distributor, described electric heater is provided with temperature controller, and EAT sensor, leaving air temp sensor are all connected with intelligent control box by wire with temperature controller.
5. can prevent catalyst from gluing the centrifugal spray drying device of wall as claimed in claim 4, it is characterized in that, the cone length stretched in drying tower of described spiral case hot-air distributor is 100 ~ 200mm, and the nozzle length stretched in drying tower of described frequency conversion centrifugal atomizer is 200 ~ 250mm.
6. can prevent catalyst from gluing the centrifugal spray drying device of wall as claimed in claim 5, it is characterized in that, upper wind deflector and the lower wind deflector of described spiral case hot-air distributor are all arranged in cone, the angle of described upper wind deflector and cone axis is 25 ~ 30 °, the angle of lower wind deflector and cone axis is 0 °, and the quantity of upper wind deflector is the twice of lower wind deflector quantity.
7. can prevent catalyst from gluing the centrifugal spray drying device of wall as claimed in claim 1, it is characterized in that, the inside and outside wall of described drying tower inwall and cloth envelop collector room is all provided with one deck hydrophobic layer, and selects polytetrafluoroethylmaterial material to make described hydrophobic layer.
8. can prevent catalyst from gluing the centrifugal spray drying device of wall as claimed in claim 3, it is characterized in that, described dehvery pump adopts membrane pump, adopts ball face sealing between the valve seat of this membrane pump and valve ball.
9. the prevented catalyst as described in claim 1 or 5 glues the centrifugal spray drying device of wall, it is characterized in that, described frequency conversion centrifugal atomizer adopts associated mode high speed centrifugal atomization device, variable-frequency motor on atomizer is directly connected by the rotating shaft of shaft coupling with atomizing disk top, and shaft coupling is fixedly mounted on atomizing disk top by bearing block.
10. can prevent catalyst from gluing the centrifugal spray drying device of wall as claimed in claim 9, it is characterized in that, the nozzle of described frequency conversion centrifugal atomizer adopts thyrite to make.
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| CN201510842151.6A CN105363231B (en) | 2015-11-28 | 2015-11-28 | It can prevent catalyst from gluing the centrifugal spray drying device of wall |
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| CN201510842151.6A CN105363231B (en) | 2015-11-28 | 2015-11-28 | It can prevent catalyst from gluing the centrifugal spray drying device of wall |
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Cited By (8)
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|---|---|---|---|---|
| CN106732173A (en) * | 2017-01-11 | 2017-05-31 | 陆文光 | Anti- molten atomizing granulating and drying machine and its method of work |
| CN106766818A (en) * | 2017-01-10 | 2017-05-31 | 楚雄医药高等专科学校 | A kind of Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer and its drying means |
| CN108096863A (en) * | 2017-12-28 | 2018-06-01 | 无锡市桑莱特干燥设备有限公司 | A kind of spray dryer using magnetic suspension atomizer |
| CN110812866A (en) * | 2019-11-14 | 2020-02-21 | 佛山市和利环保科技有限公司 | Spray drier |
| CN112619190A (en) * | 2020-12-09 | 2021-04-09 | 黄伟 | Spray drying equipment for fertilizer production and fertilizer production method |
| CN114504834A (en) * | 2022-02-24 | 2022-05-17 | 华夏生生药业(北京)有限公司 | Calcium gluconate solution purification equipment and process thereof |
| CN114768277A (en) * | 2022-04-29 | 2022-07-22 | 湖南东健药业有限公司 | Spray drying system for traditional Chinese medicine preparation |
| WO2024187595A1 (en) * | 2023-03-16 | 2024-09-19 | 宁德时代新能源科技股份有限公司 | Drying device and battery preparation system |
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| US5096537A (en) * | 1990-06-28 | 1992-03-17 | Henningsen Foods, Inc. | Tower spray dryer with hot and cool air supply |
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| CN202015505U (en) * | 2011-03-21 | 2011-10-26 | 浙江盛汇化工有限公司 | Reverse blowing spray drying system |
| CN203494185U (en) * | 2013-09-11 | 2014-03-26 | 青州隆贝生物科技有限公司 | Centrifugal spray dryer |
| CN203724791U (en) * | 2013-12-13 | 2014-07-23 | 无锡市富超喷雾干燥机械有限公司 | Multi-stage spray dryer with internal cloth bag |
| CN104399263A (en) * | 2014-11-29 | 2015-03-11 | 南京威安新材料科技有限公司 | Convenient-to-clean solid catalyst atomization drying system |
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| CN200982804Y (en) * | 2006-12-25 | 2007-11-28 | 四川省德阳市生化制品有限公司 | Forced cooling spraying drying device |
| CN201906472U (en) * | 2010-12-22 | 2011-07-27 | 山东省鲁洲食品集团有限公司 | Spray drying device for sugar alcohol materials |
| CN202015505U (en) * | 2011-03-21 | 2011-10-26 | 浙江盛汇化工有限公司 | Reverse blowing spray drying system |
| CN203494185U (en) * | 2013-09-11 | 2014-03-26 | 青州隆贝生物科技有限公司 | Centrifugal spray dryer |
| CN203724791U (en) * | 2013-12-13 | 2014-07-23 | 无锡市富超喷雾干燥机械有限公司 | Multi-stage spray dryer with internal cloth bag |
| CN104399263A (en) * | 2014-11-29 | 2015-03-11 | 南京威安新材料科技有限公司 | Convenient-to-clean solid catalyst atomization drying system |
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| CN106766818A (en) * | 2017-01-10 | 2017-05-31 | 楚雄医药高等专科学校 | A kind of Yi nationality, distributed over Yunnan, Sichuan and Guizhou's drug extract efficient energy-saving pneumatic conveyer dryer and its drying means |
| CN106732173A (en) * | 2017-01-11 | 2017-05-31 | 陆文光 | Anti- molten atomizing granulating and drying machine and its method of work |
| CN108096863A (en) * | 2017-12-28 | 2018-06-01 | 无锡市桑莱特干燥设备有限公司 | A kind of spray dryer using magnetic suspension atomizer |
| CN110812866A (en) * | 2019-11-14 | 2020-02-21 | 佛山市和利环保科技有限公司 | Spray drier |
| CN112619190A (en) * | 2020-12-09 | 2021-04-09 | 黄伟 | Spray drying equipment for fertilizer production and fertilizer production method |
| CN114504834A (en) * | 2022-02-24 | 2022-05-17 | 华夏生生药业(北京)有限公司 | Calcium gluconate solution purification equipment and process thereof |
| CN114504834B (en) * | 2022-02-24 | 2023-03-07 | 华夏生生药业(北京)有限公司 | Calcium gluconate solution purification equipment and process thereof |
| CN114768277A (en) * | 2022-04-29 | 2022-07-22 | 湖南东健药业有限公司 | Spray drying system for traditional Chinese medicine preparation |
| CN114768277B (en) * | 2022-04-29 | 2023-09-05 | 湖南东健药业有限公司 | Spray drying system for traditional Chinese medicine preparation |
| WO2024187595A1 (en) * | 2023-03-16 | 2024-09-19 | 宁德时代新能源科技股份有限公司 | Drying device and battery preparation system |
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