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CHANGZHOU YIBU DRYING EQUIPMENT CO., LTD.

SPray Dryer, Granulator, Fuild Bed Dryer, Air Stream Dryer, Vaccum Dryer, Dry...

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Spray Dryer
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产品: 浏览次数:718Spray Dryer 
品牌: YIBU
单价: 5.00元/Unit
最小起订量: 1 Unit
供货总量: 100 Unit
发货期限: 自买家付款之日起 60 天内发货
有效期至: 长期有效
最后更新: 2021-08-16
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详细信息
 

Principle

After been filtered and heated the air enters into the air distrbutor on the top of the dryer. The hot air enters into the drying room in the spiral form and uniformly. Passing through the high-speed centrifugal sprayer on the top of the tower, the material liquid will rotate and be sprayed into the extremely fine mist liquid beads. Trough the very short time of contacting the heat air, the materials can be dried into the final products. The final products will be discharged continuously from the bottom of the drying tower and from the cyclones. The waste gas will be discharged from blower.

Features


For the LPG series high speed centrifugal spray dryer, it consists of liquid delivery, air filtering and heating, liquid atomizing, drying chamber, air exhausting and material collecting, control system and  so on, the feature for each system as bellow:

.The liquid delivery system consists of liquid tank, magnetic filter, pump and so on as to ensure the liquid enter into the atomizer smoothly.

.Air filtering system and heating system

  Before the fresh air enter into the heater, it should pass through the Pre&post filter first, and then enter the heater for heating. For the heating method, there are electrical heater steam radiators, gas furnace and so on. Which method to choose depends on the customer site conditions. To ensure the drying medium enter into the drying chamber with high purity, the heated air should go through the High efficiency filter before enters the drying chamber.

3. Atomizing system

 The atomizing system consists of high speed centrifugal atomizer with inverter and so on.

 The powder from the high speed centrifugal atomizer is between 40-120 microns.

4. Drying Chamber system

 The drying chamber consists of the spiral shell, hot air distributor, main tower and relevant fittings.

The Spiral shell and hot air distributor: the spiral shell and hot air distributor at the air inlet of the tower top can regulate air flow rotation angle according to the specific condition, guide the air flow inside the tower effectively and avoid the material stick on the wall.in the middle there is the position for installing the atomizer.

 Drying tower: The inner wall is SUS mirror sheet, ad welded by the arc welding. The insulation is rock wool.

The tower is manhole and view port as to convenient to clean and maintain the tower. For the Tower body cross interface, pipe elbow are arc butt design, reduce dead angle; sealed type.

The main tower is equipped with air hammer, controlled by the pulse, and hitting the main drying tower timely as to avoid the dust stick on the wall

5. Air exhausting and product collecting system

 For the material collecting system, there are several types. Such as cyclone, cyclone+bag filter, bag filter, cyclone +water scrubber and so on. The method is depending on the material property itself. For the filtering system for the outlet air, we have filter on request.

6. Control system

HMI+PLC, each parameter can be displayed on the screen. Every parameter can be controlled and recorded easily. 


Centrifugal spray atomizer Features

1.The drying speed is high when the material liquid is atomized, the surface area of the material will increase greatly. In the hot-air flow,95%-98% of water can be evaporated at a moment. The time of completing the drying is only several seconds. This is especially suitable for drying the heat sensitive materials. 


2. Its final products own the good uniformity, flow ability & solubility. And the final products are high in purity and good in quality. 


3.The production procedures are simple and the operation and control are easy. The liquid with moisture contents of 40-60%(for special materials, the contents might be up to 90%).can be dried into the powder or particle products once a time. After the drying process, there is no need for smashing and sorting, so as to reduce the operation procedures in the production and to enhance the product purity. The product particle diameters, looseness and water contents can be adjusted through changing the operation condition within a certain range. It is very convenient to carry out control and managment. 

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