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Static Fluid Bed Dryers

     Static fluidised bed dryer or Continuous fluid bed dryer (dryers and coolers) are used on free flowing fluidised bulk materials that have a particle size distribution. The static fluid bed dryer remains stationary during operation. Static fluid bed dryers can be continuous or batch operation .
The other kinds fluid bed drying machine is a shaking (vibrating) fluid bed dryer or cooler, where the body of the dryer oscillates, assisting the movement of material through the unit and supporting the fluidisation.
it also have one kinds vertical fluid bed dryer that work as batch operation,but this kinds vertical fluidised bed dryer have some capacity and easy clean so that can reach GMP.

  • XF
  • HYWELL
  • 8419399090
  • SUS304/SUS316L/Titanium
  • Food/Pharmaceutical/Chemical
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Static Fluid Bed Dryers Introduction

Hywell Machinery Static fluid bed dryers and coolers are ideal for products that are free flowing. This type of dryer is referred to as a static fluid bed because the dryer remains stationary during operation. and this kinds fluid bed dryer is Continuous operation, so it also named as continuous fluid bed dryer or continuous fluidized bed dryer The static system provides an effective method of drying relatively free flowing particles with a reasonable narrow particles size distribution. The feed may take the form of powders, granules, crystals, seed, pre-forms and agglomerates. A static fluidized bed dryer can be continuous or batch operation and may be round or rectangular. Because there is no mechanical drive system to move the product, the static dryers are lighter and simpler to manufacture – and hence cheaper than the dynamic fluid-bed dryers/coolers. By utilizing a multi-zone scheme, each section of the fluid bed dryer can have an independent temperature and air flow control. Each zone can support a different heating/cooling phase.

Units in continuous and batch type for more uniform materials that do not tend to agglomerate.


Continuous boiling dryer

High shear granulator+Fluid bed dryer

Continuous fluid bed dryer Oscillating granulator+ Continuous fluid bed dryer


Static Fluidized Bed Dryer Description

Granular Fluid Drying Machine is also called as fluidized bed dryer. It consists of air filter , heater ,fluidized-bed main machine, feeder, cyclone separator, cloth bag duster (Optional) ,high-pressure centrifuge fan and air pipe ,control chest. Because the properties of raw materials exist difference, when equip the dust removing equipment, it should consider the practical need. It can select cyclone separator and cloth bag duster at the same time or one of them. In general, it needs to select cyclone separator only for raw material that is large in specific gravity and cloth bag duster for powder and small granule raw materials that is light in specific gravity. Meanwhile there is air feeding device (sending air fan) and belt conveyor for selection. Raw material is fed into fluidized-bed drier through feeder. Fresh air through filtering and heating is sent to the bottom of fluidized-bed by fan and contacts with solid raw material on distributing plate. In this way the fluidized state is formed and the heat exchange between air and solid is carried out. The dried raw material is discharged from outlet and wasted gas is exhausted from the top of fluidized-bed where catches solid powder through cyclone separator , cloth bag duster. The heating way have different kinds to choice such as steam, electricity or hot air furnace can be used (it can be supplied as client request).


The main air heating system of static fluidized bed dryer supplies the drying chamber with the designed amount of air. The air rate is calculated with Hywell machinery’s process calculation program. The program is based on the actual ambient conditions at the physical place where the dryer will be installed.


The main air system of  static fluidized bed dryers consists of air filters, pre-heating systems, air heater, supply fan and from time to time dehumidification system(Option). The main air system is constructed according to the actual requirements of the product and the ambient conditions.


Fines and air filtration system of static fluid bed dryers process, The fines coming out of the drying chamber and the external fluid bed together with the exhaust air will be separated from the exhaust air before letting it into the atmosphere.


A bag filter (option) can be a standalone solution as this technology is able to remove the required powder fines before outlet to the atmosphere. The fines are collected in a fines return system, thereby the powder loss is reduced to a minimum. The fines can be re-entered to the top of the drying chamber, to achieve agglomeration of the powder or they can be sent to the internal or external fluid bed. Again, the required powder specifications will decide the design of the fines system.


Powder sifter (Option): The final step of the drying system is the powder sifter. The powder sifter will separate the large powder particles from the powder, size is determined for the separation. The off size is bagged off and the powder can be either directly packed into big bags or conveyed to a silo system for other packing systems.



Static Fluidized Bed Dryer Specifications


Model

Fan power(kw)

Inlet air   temperature (ºC)

Exhaust air   temperature

(ºC)

Steam consumption

(kg/h)

Electrical heater power (kw)

Water evaporated capacity  (kg/h)

Size 

 (mm)

XF-20

11

60-140

40-80

100

60

20-25

2600X800X2800

XF-30

22

60-140

40-80

200

120

30-45

2600X1000X2800

XF-50

30

60-140

40-80

400

240

50-80

5000X1200X3300

XF-80

55

60-140

40-80

600

360

120-150

6000X1200X3600

1.Hywell machinery   reserves the right to the design without notice

2.All specifications are   as accurate as is reasonably possible, but they are not binding.

3.Hywell machinery accepts   non-standard customization.



Fluidized Bed Dryer Construction Material

Hywell Machinery are able to offer our XF series Static fluid bed driers with contact part to be built in SS304, SS316L, Titanium, Duplex stainless steel, etc. For the control system , Hywell have choices on push button, PLC+HMI and so on, and For the main electrical components , it can  choices the famous brand that such as ABB , Siemens or Schneider or others.


How do the Continuous Fluid Bed Dryer Works

Raw material is fed into fluidized-bed drier through feeder. Fresh air through filtering and heating is sent to the bottom of fluidized-bed by fan and contacts with solid raw material on distributing plate. In this way the fluidized state is formed and the heat exchange between air and solid is carried out. The dried raw material is discharged from outlet and wasted gas is exhausted from the top of fluidized-bed which catches solid powder through cyclone separator, cloth bag duster.


Continuous fluid bed drying machine

Explosion-proof fluidized bed dryer

Continuous fluid dryer Nitrogen circulating fluidized bed dryer

Static Fluidized Bed Drying Machine Advantages

Hywell machinery XF series Static fluidized bed drying machine had the following advantages over conventional solutions.

1.    Low energy consumption compared to other type of dryers

2.    Accurate control of the residence time, product is dried uniformly

3.  Low operating costs

4.  Cooling section integrated in dryer(option)

5.  Small footprint

6.  Process flexibility

7.  Reliable system, less downtime

8. The feeding system for the fluid bed dryer machine can be by manual or screw feeder or conveyor belt.

9. Smooth running, reliable performance, easy operation.

10. Highly polished inner and outer surfaces of the machine, no dead comer, easy to clear, no cross contamination.

11. Height of fluidizing chamber and dust collection is by requirement.

12. fluid bed drying is good in regulation and wide in suitability. The thickness of raw material, moving speed and the amplitude can be adjusted.

13. fluid bed dryer process makes minimum damage to the surface of raw material. The equipment can be used for drying easy broken raw materials. The dryer also suitable for drying irregular shape raw material.



Fluidized Bed Drying Machine Options

1.    Construction Material:

Hywell Machinery are able to offer our vibratory fluid bed dryer system with contact part to be built in Carbon steel, SS304, SS316/316L, Titanium, Duplex stainless steel, etc. Standard of internal and external finish can be adopted to the customer’s needs.


2.    Feeding & Discharge Options:

vibratory fluid bed drying system can have a variety of feeding & discharging methods that match the demands of the filling & production line.


3.    Custom Engineered Dimensions:

Dimensions of our continuous fluid bed dryer can be defined according to customer’s requirements.


4. Fluid Bed Drier Sizes:

The fluid bed dryer total treat capacity with bigger size as per request &. more.


fluid bed drying machine

Static fluid dryer bed board

Continuous fluidized dryer

Static fluid dryer air  valve


Fluidized Bed Drier Application:

The fluid bed dryer main have three model at Hywell machinery company, it have the static fluid bed dryer. vertical fluid bed dryer and vibration fluid bed dryer. The static fluidizing dryer has widely applied in the fields of pharmaceutics, chemicals, foodstuff, processing grain etc. For example, the dehumidification and drying of powder and granular materials such as bulk pharmaceuticals, granular patent medicines, preparations, feed, plastic resin etc. The granular diameter shall be within the range from 0.1 to 6mm and the best from 0.5 to 3mm.

The main technical parameter datum of fluidizing dryer is for reference. Hywell also produce and design product as per customers' requirement.


211

Seasoning Granules

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Instant tea granules


Static fluid bed dryer video


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