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Vibrating Fluid Bed Dryer

The vibrating fluid bed dryer can make a moist powder layer vibrate on an air distributor plate. The effect of the vibration combined with the upward and forward directed flow of drying air through the perforated plate creates ideal processing conditions and powder transport.
Uniform product moisture content is achieved by passing treated gas through a perforated plate assuring intimate mixing of the gas and process material. As the treated gas passes through the wet material the moisture is removed and carried away to be treated in a cyclone and baghouse. The dried final product of the vibrating fluid bed dryer is conveyed to the dryer discharge.

  • ZLG
  • HYWELL
  • 8419399090
  • SUS304/SUS316L
  • Food/Pharmaceutical/Chemical
  • Yes
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Vibrating Fluid Bed Dryer Introduction

The Hywell Machinery vibrating fluid bed dryer is a new technology developed on the basis of the static fluidized bed dryer. Mechanical vibration is added to the fluidized bed dryer. The material has been fed into the vibrating fluid bed dryer, under the dual function of the vibrating and airflow, the material move along the fluidized bed as throwing forward continuously. Hot air upward through the fluidized bed and wet materials from the heat after the exchange. And after dried products will be discharged from the vibrating fluid bed dryer.


shaking fluid bed dryer

Name1

fluid bed dryer

Name2

vibration fluid bed dryer

Name3


Shaking Fluid Bed Dryer Description

The shaking fluid bed dryer includes the heating device, main machine, air filtration system for products, and air system.

The main air heating system of the shaking fluid 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 of shaking fluid bed dryer is based on the actual ambient conditions at the physical place where the dryer will be installed.

The main air system of the shaking fluid bed dryers consists of air filters, pre-heating systems, an air heater, a supply fan, and from time to time a dehumidification system. The main air system of the shaking fluid bed dryer is constructed according to the actual requirements of the product and the ambient conditions.

Fines and air filtration system of fluid bed dryer 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.

Cyclones and bag filters of the shaking fluid bed dryers are the most common ways of filtrating the fines from the air. Cyclones seldom stand alone. This is because the emission will often violate the environmental requirements in terms of the permitted mg of powder per m3/air. Therefore, a bag filter is necessary(option).

A bag filter of the shaking fluid bed dryer 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 shaking fluid bed dryer 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.


Vibrating Fluid Bed Dryers Specifications


Model

Bed area (M⊃2;)

Inlet air temperature (ºC)

Exhaust air temperature

(ºC)

Water evaporated capacity (kg/h)

Vibration

motor power (kw)

ZLG4.5*0.45

2.025

70-300

40-80

30-70

1.1x2

ZLG4.5*0.60

2.7

70-300

40-80

50-100

1.1x2

ZLG6*0.45

2.7

70-300

40-80

50-100

1.5x2

ZLG6*0.60

3.6

70-300

40-80

80-130

1.5x2

ZLG6*0.75

4.5

70-300

40-80

110-160

2.2x2

ZLG6*0.9

5.4

70-300

40-80

130-180

2.2x2

ZLG7.5*0.60

4.5

70-300

40-80

110-190

2.2x2

ZLG9X1.2

10.8

70-300

40-80

230-400

4X2

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

2.All specifications of vibrating fluid bed dryers are as accurate as is reasonably possible, but they are not binding.


Drying bed plate model of vibration fluid bed dryer

    The vibration fluid bed dryer board is the main place where the material has been in contact with the material during the whole drying process and the water evaporates. so the bedboard of the vibration fluid bed dryer is very important. According to the characteristics of different materials, the fluidized bed dryer has a variety of drying bed plates to choose from.  Hywell machinery has a straight perforated plate, tongue type perforated plate, mesh plate, or mixed perforated plate. For materials with small specific gravity, tongue-shaped hole bed plates are generally used. For powders or particles with large specific gravity and small particles, mesh plates are generally used (the minimum hole can reach 0.2 mm), such as salt, sodium sulfate, etc. Welcome to consult Hywell machinery. our engineers will give you free technical consultation.


bed plate of fluid bed dryer

Tongue type perforated plate

drill hole bed

Straight perforated plate

bed plate

Mesh plate


Heating method of vibration fluidized bed dryer

The vibration fluidized bed dryer has large output and needs a large amount of air and heat energy. The heating methods of vibration fluidized bed dryers usually used are steam, gas or oil hot blast stove, coal-fired furnace, and electric heater. Of course, electric heating is the last choice, because big heat energy needs big electric heater power. The specific heating method is determined according to the material characteristics and the actual conditions of use. about this detail, please contact Hywell machinery company and we will give free suggestion.


heater of dryer

 Burning gas /oil heater

coal furnace

Burning coal heater

steam radiator

Steam radiator

electrical heater of dryer

Electrical heater

Fluidized Bed Dryer Construction Materials

Hywell Machinery is able to offer our ZLG series fluidized bed dryer with contact parts to be built in SS304, SS316L, Titanium, Duplex stainless steel, etc. Electrical parts of the control system of the drying machine can be adapted to the customer’s needs.



How do the Vibratory Fluid Bed Dryer Works

A continuous fluid bed system is a machine in which a continuous flow of “wet” powder, granular, or flakes material is conveyed over a perforated bed.  Hot drying air is blown through the holes of a perforated plate.  The wet solids are lifted from the bottom and cause the solids to behave as fluid. The air velocity is adjusted to keep the moving layer of material fluidized.


Fluidized Bed Drying Machine Advantages

Hywell machinery ZLG series shaking fluidized bed drying machine had the following advantages over conventional solutions.

1. Low energy consumption of the shaking fluidized bed drying machine compared to other types of dryers

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

3. Fluidized bed drying machines have low operating costs

4. The cooling section integrated into the fluidized bed drying machine

5. Fluidized bed drying machine process flexibility

6. Vibrating Fluid Bed Dryer is a reliable system, with less downtime

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

8. Smooth running, reliable performance, easy operation.

9. Highly polished inner and outer surfaces of the vibrating fluid bed dryer, no dead comer, easy to clear, no cross-contamination.

10. The height of fluidizing chamber and dust collection by requirement.

11. The vibration is created by the motor. It is stable in operation and convenient in maintenance, low noise with a long life span.

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

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

14. The shaking fluid bed dryer adopts closed operation, protects raw material from cross-contamination, it is in continuous production




Vibratory Fluid Bed Dryer Options

1.  Construction Material of Vibratory Fluid Bed Dryer:

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


2.  Vibratory Fluid Bed Drying System 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 of vibratory fluid bed drying system:

Dimensions of vibratory fluid bed drying system can be defined according to customer’s requirements.


4.  Vibratory Fluid Bed Drying System Sizes:

The vibratory fluid bed drying system total treat capacity with bigger size as per request &. more.


5. Vibration Pad of Vibratory Fluid Bed Drying System

Regarding the vibration pad, we can choose two options, one is the ordinary rubber vibration pad, and the other is the air bag. the air bag pad that is used to dry the easily broken materials. such as the breadcrumb drying process.


25-163015045

Air bag pad

air bag

Air bag pad

rubber1

Rubber pad

rubber

Rubber pad

Vibratory Fluid Bed Dryer Application


Vibratory fluid bed dryer is widely used in pharmaceutical, chemical, foodstuff, and electronic industries.

1. Vibratory Fluid Bed Dryers for the Petrochemical industry

Vibratory Fluid Bed Dryers for Inorganic

Ammonium hydrogen fluoride, potassium permanganate, sodium thiocyanate, cobalt sulfate, nickel sulfate, zinc sulfate heptahydrate, ammonium chloride, calcium, strontium chloride, sodium chlorate etc

Vibratory Fluid Bed Dryers for Organics

P-nitrobenzoic acid, fumaric acid, pentaerythritol, resorcinol, catechol, calcium hypochlorite, sodium silicate, GDL, sodium gluconate, thiourea, sorbitol, dicyandiamide.

Vibratory Fluid Bed Dryers for Pesticides

Imidacloprid granules, granules glyphosate

Vibratory Fluid Bed Dryers for Polymer

High-absorbent resin, a polystyrene resin, sodium polyacrylate

Vibratory Fluid Bed Dryers for Chemical additives

Methylcellulose, polyacrylamide, hydroxyethyl cellulose


2. Vibratory Fluid Bed Dryers for Food and beverage industry

trehalose, caramel, tartaric acid, coffee, bread crumbs, milk powder, citric acid, potassium citrate, sodium citrate, maltitol, xylose, and xylitol.


bread crumb dryer

Vibratory fluid bed dryers for breadcrumb

salt dryer

Vibratory fluid bed dryers for salt 


Vibrating Fluid Bed Dryers Video



Vibrating Fluid Bed Dryers Video



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