CN108096863A - A kind of spray dryer using magnetic suspension atomizer - Google Patents

A kind of spray dryer using magnetic suspension atomizer Download PDF

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Publication number
CN108096863A
CN108096863A CN201711455019.5A CN201711455019A CN108096863A CN 108096863 A CN108096863 A CN 108096863A CN 201711455019 A CN201711455019 A CN 201711455019A CN 108096863 A CN108096863 A CN 108096863A
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atomizer
magnetic levitation
spray dryer
motor
seat
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边方元
边文阳
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Wuxi Sanlai Drying Equipment Co Ltd
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Wuxi Sanlai Drying Equipment Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/16—Evaporating by spraying
    • B01D1/18—Evaporating by spraying to obtain dry solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/14—Evaporating with heated gases or vapours or liquids in contact with the liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/16—Evaporating by spraying
    • B01D1/20—Sprayers

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

本发明涉及到一种新型离心式喷雾干燥装置,尤其带有能够大大提高雾化器转速及线速度的磁悬浮雾化器的喷雾干燥机。该应用磁悬浮雾化器的喷雾干燥机的线速度最高可达600m/s,远远大于目前的机械式雾化器及电动雾化器,已实现超音速运行。常规雾化器最高转速约在20000RPM,磁悬浮式雾化器最高可达60000RPM。磁悬浮雾化器中没有齿轮与轴承,日常维护比常规雾化器简单的多,也不容易损坏。且磁悬浮式喷雾干燥机比常规离心式喷雾干燥机节能约10‑20%。总之,该应用磁悬浮雾化器的喷雾干燥机结构设计合理,使用方便,适合推广使用。

The invention relates to a novel centrifugal spray drying device, in particular to a spray dryer with a magnetic levitation atomizer capable of greatly increasing the rotational speed and linear velocity of the atomizer. The linear speed of the spray dryer using the magnetic levitation atomizer can reach up to 600m/s, which is far greater than the current mechanical atomizer and electric atomizer, and has realized supersonic operation. The maximum speed of the conventional atomizer is about 20000RPM, and the maximum speed of the magnetic levitation atomizer is 60000RPM. There are no gears and bearings in the magnetic levitation atomizer, and the daily maintenance is much simpler than the conventional atomizer, and it is not easy to be damaged. And the magnetic levitation spray dryer can save energy by about 10-20% compared with the conventional centrifugal spray dryer. In a word, the spray dryer with magnetic levitation atomizer has a reasonable structure design, is easy to use, and is suitable for popularization and use.

Description

一种应用磁悬浮雾化器的喷雾干燥机A spray dryer using a magnetic levitation atomizer

技术领域technical field

本发明专利涉及到一种新型离心式喷雾干燥装置,尤其带有能够大大提高雾化器转速及线速度的磁悬浮雾化器的喷雾干燥机。The patent of the present invention relates to a new type of centrifugal spray drying device, especially a spray dryer with a magnetic levitation atomizer that can greatly increase the rotational speed and linear velocity of the atomizer.

背景技术Background technique

目前,公知的离心式喷雾干燥机的心脏部件(雾化装置) 是有机械式雾化器(齿轮增速式)及电动式雾化器这两种雾化器。在喷雾干燥系统中,料液通过泵输送进雾化器,雾化器通过高速转动产生的离心力,把通过的料液雾化成千千万万的雾滴,从而与热风接触进行干燥。但是目前现有的技术,雾化器的线速度极限只能达到约200米/秒,线速度越高,产品的粒径越细,对于一些需求产品粒径极细的客户来说(如磷酸铁锂等),常规的雾化器已不能满足需求,无法达到理想的粒度。且齿轮箱结构复杂,难以维修保养。设备对工人的操作要求极高,雾化器中的雾化盘须保持动平衡在一定范围内,若有料液附着在上面,失去了动平衡,主轴会断裂。雾化器体积庞大,能耗浪费比较大。At present, the heart component (atomizing device) of the known centrifugal spray dryer includes two types of atomizers: a mechanical atomizer (gear increasing type) and an electric atomizer. In the spray drying system, the material liquid is transported into the atomizer through the pump, and the atomizer atomizes the passing material liquid into thousands of mist droplets through the centrifugal force generated by high-speed rotation, so as to dry in contact with hot air. However, in the current existing technology, the linear velocity limit of the atomizer can only reach about 200 m/s. The higher the linear velocity, the finer the particle size of the product. Lithium iron, etc.), the conventional atomizer can no longer meet the demand and cannot achieve the ideal particle size. Moreover, the structure of the gear box is complex and difficult to maintain. The equipment has extremely high requirements on the operation of the workers. The atomizing disc in the atomizer must maintain a dynamic balance within a certain range. If there is material liquid attached to it, the dynamic balance will be lost and the main shaft will break. The atomizer is bulky and wastes a lot of energy consumption.

为了解决上述技术问题,本发明设计了一种应用磁悬浮雾化器的喷雾干燥机,该应用磁悬浮雾化器的喷雾干燥机的线速度最高可达600m/s,远远大于目前的机械式雾化器及电动雾化器,已实现超音速运行。常规雾化器最高转速约在20000RPM,磁悬浮式雾化器最高可达60000RPM。例如目前电池行业的主流正极材料磷酸铁锂,用常规雾化器进行喷雾干燥之后的粒径约为D50=15-20微米,用磁悬浮雾化器之后的粒径为D50=5-8微米,省去了喷雾干燥后的一些列粉碎,且喷雾直接成型球形度高,大大的增加了锂电池单位面积的容量。磁悬浮雾化器中没有齿轮与轴承,日常维护比常规雾化器简单的多,也不容易损坏。且磁悬浮式喷雾干燥机比常规离心式喷雾干燥机节能约10-20%。总之,该应用磁悬浮雾化器的喷雾干燥机结构设计合理,使用方便,适合推广使用。In order to solve the above-mentioned technical problems, the present invention designs a spray dryer using a magnetic levitation atomizer. The linear speed of the spray dryer using a magnetic levitation atomizer can reach up to 600m/s, which is far greater than the current mechanical spray dryer. The nebulizer and the electric nebulizer have realized supersonic operation. The maximum speed of the conventional atomizer is about 20000RPM, and the maximum speed of the magnetic levitation atomizer is 60000RPM. For example, lithium iron phosphate, the mainstream positive electrode material in the battery industry, has a particle size of about D50=15-20 microns after spray drying with a conventional atomizer, and D50=5-8 microns after using a magnetic levitation atomizer. A series of pulverization after spray drying is omitted, and the spray directly forms a high degree of sphericity, which greatly increases the capacity per unit area of the lithium battery. There are no gears and bearings in the magnetic levitation atomizer, and the daily maintenance is much simpler than the conventional atomizer, and it is not easy to be damaged. And the magnetic levitation spray dryer saves about 10-20% energy than the conventional centrifugal spray dryer. In a word, the spray dryer with magnetic levitation atomizer has a reasonable structure design, is easy to use, and is suitable for popularization and use.

发明内容Contents of the invention

为了克服背景技术中存在的缺陷,本发明解决其技术问题所采用的技术方案是:一种应用磁悬浮雾化器的喷雾干燥机,包括空气过滤器一、送风机、电加热器、料液进管、清水进管、供料泵、干燥塔和布袋除尘器,所述干燥塔的干燥塔顶盖的中部设有喷头座,所述喷头座的内设有磁悬浮雾化器,所述喷头座两侧的干燥塔顶盖上设有热风分配器,所述空气过滤器一与热风分配器之间依次设有送风机和电加热器,所述喷头座内固定有电机外座,所述电机外座内固定有电机内座,所述电机内座内固定有磁悬浮电机,所述磁悬浮电机的底部设有主轴,所述主轴上固定有雾化盘,所述雾化盘的上部设有料液分配器,所述电机外座和电机内座上对应料液分配器设有进料管,所述料液进管和清水进管通过供料泵与进料管相连接,所述磁悬浮电机的底部侧面上设有冷水夹套,所述电机外座对应冷水夹套设有冷却水进水管和冷却水出水管,所述干燥塔的底部通过气动保护阀门与布袋除尘器相连接,所述布袋除尘器的底部设有旋转卸料阀门,所述布袋除尘器上设有压缩空气进气管和排空管,所述排空管上设有引风机,所述喷头座的内侧面上设有导风叶片。In order to overcome the defects in the background technology, the technical solution adopted by the present invention to solve the technical problem is: a spray dryer using a magnetic levitation atomizer, including an air filter 1, a blower, an electric heater, and a feed liquid inlet pipe , clean water inlet pipe, feed pump, drying tower and bag filter, the middle part of the drying tower top cover of the drying tower is provided with a nozzle seat, and a magnetic levitation atomizer is arranged inside the nozzle seat, and the nozzle seat has two The top cover of the drying tower on the side is provided with a hot air distributor, and an air blower and an electric heater are arranged between the air filter one and the hot air distributor in turn, and the motor outer seat is fixed inside the nozzle seat, and the motor outer seat A motor inner seat is fixed inside, and a magnetic levitation motor is fixed inside the motor inner seat. The bottom of the magnetic levitation motor is provided with a main shaft, and an atomizing disc is fixed on the main shaft, and a material liquid distributor is provided on the upper part of the atomizing disc. , the corresponding feed liquid distributor on the outer seat of the motor and the inner seat of the motor is provided with a feed pipe, the feed liquid feed pipe and the clean water feed pipe are connected to the feed pipe through a feed pump, and the bottom side of the magnetic levitation motor A cold water jacket is provided on the top of the motor, and the outer seat of the motor is provided with a cooling water inlet pipe and a cooling water outlet pipe corresponding to the cold water jacket. The bottom of the drying tower is connected to the bag filter through a pneumatic protection valve, and the bag filter There is a rotary discharge valve at the bottom of the bag filter, a compressed air inlet pipe and an emptying pipe are arranged on the bag filter, an induced draft fan is arranged on the emptying pipe, and air guide vanes are arranged on the inner side of the nozzle seat .

优选的所述干燥塔和布袋除尘器的侧面上设有防爆口。Preferably, explosion-proof openings are provided on the sides of the drying tower and bag filter.

优选的所述热风分配器和电加热器之间的管道上设有温度计一。Preferably, a thermometer is provided on the pipeline between the hot air distributor and the electric heater.

优选的所述磁悬浮电机的顶部设有空气过滤器二。Preferably, an air filter 2 is arranged on the top of the magnetic levitation motor.

优选的所述气动保护阀门与布袋除尘器相连接之间的管道上设有温度计二。Preferably, a thermometer 2 is installed on the pipeline between the pneumatic protection valve and the bag filter.

优选的所述干燥塔上设有压力表。Preferably, the drying tower is provided with a pressure gauge.

本发明设计了一种应用磁悬浮雾化器的喷雾干燥机,该应用磁悬浮雾化器的喷雾干燥机的线速度最高可达600m/s,远远大于目前的机械式雾化器及电动雾化器,已实现超音速运行。常规雾化器最高转速约在20000RPM,磁悬浮式雾化器最高可达60000RPM。例如目前电池行业的主流正极材料磷酸铁锂,用常规雾化器进行喷雾干燥之后的粒径约为D50=15-20微米,用磁悬浮雾化器之后的粒径为D50=5-8微米,省去了喷雾干燥后的一些列粉碎,且喷雾直接成型球形度高,大大的增加了锂电池单位面积的容量。磁悬浮雾化器中没有齿轮与轴承,日常维护比常规雾化器简单的多,也不容易损坏。且磁悬浮式喷雾干燥机比常规离心式喷雾干燥机节能约10-20%。总之,该应用磁悬浮雾化器的喷雾干燥机结构设计合理,使用方便,适合推广使用。The present invention designs a spray dryer using a magnetic suspension atomizer. The linear speed of the spray dryer using a magnetic suspension atomizer can reach up to 600m/s, which is far greater than the current mechanical atomizer and electric atomizer. has achieved supersonic operation. The maximum speed of the conventional atomizer is about 20000RPM, and the maximum speed of the magnetic levitation atomizer is 60000RPM. For example, lithium iron phosphate, the mainstream positive electrode material in the battery industry, has a particle size of about D50=15-20 microns after spray drying with a conventional atomizer, and D50=5-8 microns after using a magnetic levitation atomizer. A series of pulverization after spray drying is omitted, and the spray directly forms a high degree of sphericity, which greatly increases the capacity per unit area of the lithium battery. There are no gears and bearings in the magnetic levitation atomizer, and the daily maintenance is much simpler than the conventional atomizer, and it is not easy to be damaged. And the magnetic levitation spray dryer saves about 10-20% energy than the conventional centrifugal spray dryer. In a word, the spray dryer with magnetic levitation atomizer has a reasonable structure design, is easy to use, and is suitable for popularization and use.

附图说明Description of drawings

下面结合附图和实施例对本发明进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

图1是本发明一种应用磁悬浮雾化器的喷雾干燥机的局部剖视结构示意图;Fig. 1 is a partial sectional structure schematic diagram of a spray dryer using a magnetic levitation atomizer of the present invention;

图2是图1中A处的局部放大图;Fig. 2 is a partial enlarged view of place A in Fig. 1;

图3是图2中B处的局部放大图;Fig. 3 is a partial enlarged view of place B in Fig. 2;

其中:1、空气过滤器一;2、送风机;3、电加热器;4、温度计一;5、料液进管;6、清水进管;7、供料泵;8、干燥塔;9、干燥塔顶盖;10、压力表;11、压缩空气进气管;12、布袋除尘器;13、引风机;14、旋转卸料阀门;15、气动保护阀门;16、温度计二;17、喷头座;18、热风分配器;19、导风叶片;20、磁悬浮雾化器;21、进料口;22、冷却水进水管;23、电机外座;24、冷水夹套;25、雾化盘;26、空气过滤器二;27、磁悬浮电机;28、电机座;29、主轴;30、料液分配器;31、冷却水出水管;32、排空管;33、防爆口。Among them: 1. Air filter 1; 2. Blower fan; 3. Electric heater; 4. Thermometer 1; 5. Feed liquid inlet pipe; 6. Clean water inlet pipe; 7. Feed pump; 8. Drying tower; Drying tower top cover; 10. Pressure gauge; 11. Compressed air inlet pipe; 12. Bag filter; 13. Induced fan; 14. Rotary discharge valve; 15. Pneumatic protection valve; 16. Thermometer two; 17. Nozzle seat ;18. Hot air distributor; 19. Wind guide vane; 20. Magnetic levitation atomizer; 21. Feed inlet; 22. Cooling water inlet pipe; 23. Motor outer seat; 24. Cold water jacket; 25. Atomization disc ; 26, air filter two; 27, magnetic levitation motor; 28, motor seat; 29, main shaft; 30, material liquid distributor; 31, cooling water outlet pipe; 32, emptying pipe;

具体实施方式Detailed ways

现在结合附图对本发明作进一步详细的说明。附图为简化的示意图,仅以示意方式说明本发明的基本结构,因此其仅显示与本发明有关的构成。The present invention is described in further detail now in conjunction with accompanying drawing. The accompanying drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so that they only show the components relevant to the present invention.

具体实施例,请参阅图1-3,一种应用磁悬浮雾化器的喷雾干燥机,包括空气过滤器一1、送风机2、电加热器3、料液进管5、清水进管6、供料泵7、干燥塔8和布袋除尘器12,所述干燥塔8的干燥塔顶盖9的中部设有喷头座17,所述喷头座17的内设有磁悬浮雾化器20,所述喷头座17两侧的干燥塔顶盖9上设有热风分配器18,所述空气过滤器一1与热风分配器18之间依次设有送风机2和电加热器3,所述喷头座17内固定有电机外座23,所述电机外座23内固定有电机内座28,所述电机内座28内固定有磁悬浮电机27,所述磁悬浮电机27的底部设有主轴29,所述主轴29上固定有雾化盘25,所述雾化盘25的上部设有料液分配器30,所述电机外座23和电机内座28上对应料液分配器30设有进料管21,所述料液进管5和清水进管6通过供料泵7与进料管21相连接,所述磁悬浮电机27的底部侧面上设有冷水夹套24,所述电机外座23对应冷水夹套24设有冷却水进水管22和冷却水出水管31,所述干燥塔8的底部通过气动保护阀门15与布袋除尘器12相连接,所述布袋除尘器12的底部设有旋转卸料阀门14,所述布袋除尘器12上设有压缩空气进气管11和排空管32,所述排空管32上设有引风机13,所述喷头座17的内侧面上设有导风叶片19,所述热风分配器18和电加热器3之间的管道上设有温度计一4,所述干燥塔8和布袋除尘器12的侧面上设有防爆口33,所述磁悬浮电机27的顶部设有空气过滤器二26,所述气动保护阀门15与布袋除尘器12相连接之间的管道上设有温度计二16,所述干燥塔8上设有压力表10。For the specific embodiment, please refer to Fig. 1-3, a kind of spray drier using magnetic levitation atomizer, comprising air filter-1, blower fan 2, electric heater 3, feed liquid inlet pipe 5, clear water inlet pipe 6, supply Material pump 7, drying tower 8 and bag dust collector 12, the middle part of the drying tower top cover 9 of described drying tower 8 is provided with shower head seat 17, and the inside of described shower head seat 17 is provided with magnetic levitation atomizer 20, and described shower head The drying tower top cover 9 on both sides of the seat 17 is provided with a hot blast distributor 18, and between the air filter one 1 and the hot blast distributor 18, an air blower 2 and an electric heater 3 are arranged successively. Motor outer seat 23 is arranged, and motor inner seat 28 is fixed in described motor outer seat 23, and magnetic levitation motor 27 is fixed in described motor inner seat 28, and the bottom of described magnetic levitation motor 27 is provided with main shaft 29, and on described main shaft 29 An atomizing disc 25 is fixed, and a feed liquid distributor 30 is provided on the top of the atomizing disc 25, and a feed pipe 21 is provided on the motor outer seat 23 and the motor inner seat 28 corresponding to the feed liquid distributor 30. The liquid inlet pipe 5 and the clear water inlet pipe 6 are connected with the feed pipe 21 by the feed pump 7, the bottom side of the magnetic levitation motor 27 is provided with a cold water jacket 24, and the corresponding cold water jacket 24 of the motor outer seat 23 is set There are cooling water inlet pipes 22 and cooling water outlet pipes 31. The bottom of the drying tower 8 is connected to the bag filter 12 through a pneumatic protection valve 15. The bottom of the bag filter 12 is provided with a rotary discharge valve 14. The bag filter 12 is provided with a compressed air intake pipe 11 and an emptying pipe 32, the emptying pipe 32 is provided with an induced draft fan 13, and the inner side of the nozzle seat 17 is provided with a guide vane 19, the The pipeline between the hot blast distributor 18 and the electric heater 3 is provided with a thermometer-4, the side of the drying tower 8 and the bag filter 12 is provided with an explosion-proof port 33, and the top of the magnetic levitation motor 27 is provided with an air filter. Device two 26, the pipeline between the pneumatic protection valve 15 and the bag filter 12 is provided with a thermometer two 16, and the drying tower 8 is provided with a pressure gauge 10.

本发明设计了一种应用磁悬浮雾化器的喷雾干燥机,该应用磁悬浮雾化器的喷雾干燥机的线速度最高可达600m/s,远远大于目前的机械式雾化器及电动雾化器,已实现超音速运行。常规雾化器最高转速约在20000RPM,磁悬浮式雾化器最高可达60000RPM。例如目前电池行业的主流正极材料磷酸铁锂,用常规雾化器进行喷雾干燥之后的粒径约为D50=15-20微米,用磁悬浮雾化器之后的粒径为D50=5-8微米,省去了喷雾干燥后的一些列粉碎,且喷雾直接成型球形度高,大大的增加了锂电池单位面积的容量。磁悬浮雾化器中没有齿轮与轴承,日常维护比常规雾化器简单的多,也不容易损坏。且磁悬浮式喷雾干燥机比常规离心式喷雾干燥机节能约10-20%。总之,该应用磁悬浮雾化器的喷雾干燥机结构设计合理,使用方便,适合推广使用。The present invention designs a spray dryer using a magnetic suspension atomizer. The linear speed of the spray dryer using a magnetic suspension atomizer can reach up to 600m/s, which is far greater than the current mechanical atomizer and electric atomizer. has achieved supersonic operation. The maximum speed of the conventional atomizer is about 20000RPM, and the maximum speed of the magnetic levitation atomizer is 60000RPM. For example, lithium iron phosphate, the mainstream positive electrode material in the battery industry, has a particle size of about D50=15-20 microns after spray drying with a conventional atomizer, and D50=5-8 microns after using a magnetic levitation atomizer. A series of pulverization after spray drying is omitted, and the spray directly forms a high degree of sphericity, which greatly increases the capacity per unit area of the lithium battery. There are no gears and bearings in the magnetic levitation atomizer, and the daily maintenance is much simpler than the conventional atomizer, and it is not easy to be damaged. And the magnetic levitation spray dryer saves about 10-20% energy than the conventional centrifugal spray dryer. In a word, the spray dryer with magnetic levitation atomizer has a reasonable structure design, is easy to use, and is suitable for popularization and use.

显然,上述实施例仅仅是为清楚地说明所作的举例,而并非对实施方式的限定。对于所属领域的普通技术人员来说,在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引伸出的显而易见的变化或变动仍处于本发明创造的保护范围之中。Apparently, the above-mentioned embodiments are only examples for clear description, rather than limiting the implementation. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. And the obvious changes or changes derived therefrom are still within the scope of protection of the present invention.

Claims (6)

1.一种应用磁悬浮雾化器的喷雾干燥机,包括空气过滤器一(1)、送风机(2)、电加热器(3)、料液进管(5)、清水进管(6)、供料泵(7)、干燥塔(8)和布袋除尘器(12),其特征在于:所述干燥塔(8)的干燥塔顶盖(9)的中部设有喷头座(17),所述喷头座(17)的内设有磁悬浮雾化器(20),所述喷头座(17)两侧的干燥塔顶盖(9)上设有热风分配器(18),所述空气过滤器一(1)与热风分配器(18)之间依次设有送风机(2)和电加热器(3),所述喷头座(17)内固定有电机外座(23),所述电机外座(23)内固定有电机内座(28),所述电机内座(28)内固定有磁悬浮电机(27),所述磁悬浮电机(27)的底部设有主轴(29),所述主轴(29)上固定有雾化盘(25),所述雾化盘(25)的上部设有料液分配器(30),所述电机外座(23)和电机内座(28)上对应料液分配器(30)设有进料管(21),所述料液进管(5)和清水进管(6)通过供料泵(7)与进料管(21)相连接,所述磁悬浮电机(27)的底部侧面上设有冷水夹套(24),所述电机外座(23)对应冷水夹套(24)设有冷却水进水管(22)和冷却水出水管(31),所述干燥塔(8)的底部通过气动保护阀门(15)与布袋除尘器(12)相连接,所述布袋除尘器(12)的底部设有旋转卸料阀门(14),所述布袋除尘器(12)上设有压缩空气进气管(11)和排空管(32),所述排空管(32)上设有引风机(13),所述喷头座(17)的内侧面上设有导风叶片(19)。1. A spray dryer using a magnetic levitation atomizer, comprising an air filter one (1), a blower (2), an electric heater (3), a feed liquid inlet pipe (5), a clear water inlet pipe (6), Feed pump (7), drying tower (8) and bag filter (12), are characterized in that: the middle part of the drying tower top cover (9) of described drying tower (8) is provided with nozzle seat (17), so The interior of the nozzle seat (17) is provided with a magnetic levitation atomizer (20), the drying tower top cover (9) on both sides of the nozzle seat (17) is provided with a hot air distributor (18), and the air filter An air blower (2) and an electric heater (3) are arranged successively between one (1) and the hot air distributor (18), and a motor outer seat (23) is fixed inside the nozzle seat (17), and the motor outer seat (23) is fixed with motor inner seat (28), and is fixed with magnetic levitation motor (27) in described motor inner seat (28), and the bottom of described magnetic levitation motor (27) is provided with main shaft (29), and described main shaft ( 29) is fixed with an atomizing disc (25), and the upper part of the atomizing disc (25) is provided with a feed liquid distributor (30), and the corresponding feed liquid on the motor outer seat (23) and the motor inner seat (28) The distributor (30) is provided with a feed pipe (21), and the feed liquid feed pipe (5) and the clear water feed pipe (6) are connected with the feed pipe (21) through a feed pump (7), and the magnetic suspension The bottom side of the motor (27) is provided with a cold water jacket (24), and the outer seat of the motor (23) is provided with a cooling water inlet pipe (22) and a cooling water outlet pipe (31) corresponding to the cold water jacket (24). The bottom of the drying tower (8) is connected with the bag filter (12) through a pneumatic protection valve (15), the bottom of the bag filter (12) is provided with a rotary discharge valve (14), and the bag filter The device (12) is provided with a compressed air inlet pipe (11) and an exhaust pipe (32), and the exhaust pipe (32) is provided with an induced draft fan (13), and the inside surface of the nozzle seat (17) Wind guide vanes (19) are provided. 2.根据权利要求1所述的一种应用磁悬浮雾化器的喷雾干燥机,其特征在于:所述干燥塔(8)和布袋除尘器(12)的侧面上设有防爆口(33)。2. A spray dryer using a magnetic levitation atomizer according to claim 1, characterized in that: explosion-proof openings (33) are provided on the sides of the drying tower (8) and the bag filter (12). 3.根据权利要求1所述的一种应用磁悬浮雾化器的喷雾干燥机,其特征在于:所述热风分配器(18)和电加热器(3)之间的管道上设有温度计一(4)。3. A kind of spray dryer using magnetic levitation atomizer according to claim 1, characterized in that: the pipeline between the hot air distributor (18) and the electric heater (3) is provided with a thermometer ( 4). 4.根据权利要求1或2所述的一种应用磁悬浮雾化器的喷雾干燥机,其特征在于:所述磁悬浮电机(27)的顶部设有空气过滤器二(26)。4. A spray dryer using a magnetic levitation atomizer according to claim 1 or 2, characterized in that: the top of the magnetic levitation motor (27) is provided with an air filter 2 (26). 5.根据权利要求1所述的一种应用磁悬浮雾化器的喷雾干燥机,其特征在于:所述气动保护阀门(15)与布袋除尘器(12)相连接之间的管道上设有温度计二(16)。5. A spray dryer using a magnetic levitation atomizer according to claim 1, characterized in that: a thermometer is provided on the pipeline between the pneumatic protection valve (15) and the bag filter (12) Two (16). 6.根据权利要求1所述的一种应用磁悬浮雾化器的喷雾干燥机,其特征在于:所述干燥塔(8)上设有压力表(10)。6. A spray dryer using a magnetic levitation atomizer according to claim 1, characterized in that: said drying tower (8) is provided with a pressure gauge (10).
CN201711455019.5A 2017-12-28 2017-12-28 A kind of spray dryer using magnetic suspension atomizer Pending CN108096863A (en)

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Application publication date: 20180601