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Kilburn Engineering Limited

Fluid Bed Drier (FBD)
Product Description

FLUID BED DRYERS & COOLERS:

 
Kilburn manufactures Fluid Bed Dryers and Coolers in technical collaboration with M/s. NARA MACHINERY COMPANY, JAPAN, the world leader in this field.These dryers/coolers utilize the FLUIDIZED BED TECHNIQUE to effectively dry many chemical , petrochemical and other products.
 
 Drying
Cooling
Calcination
Roasting
Carbonization
Reaction
Sterilization

 

WHAT IS FLUIDISATION:

 
Fluid means a liquid. A substance is said to be fluidised when it starts behaving like a liquid. When a determined quantity of air is passed below a perforated bed, carrying the substance to be dried, say PVC, the material starts bubbling and it behaves like a fluid. Much depends upon the substance, its moisture content, size of perforations, and air flow.
 
SALIENT FEATURES
A Intimate contact of hot air and solids result in high heat transfer co-efficient. 
This makes the drying system compact.
A High operating temperatures possible because of rapid heat and mass transfer rates.
A
No overheating of heat sensitive products because of special constructional features.
A Unique and thermally efficient design of embedded Heat Exchanger.
A Lower capital costs.
A Easy control of residence time & simple to adjust moisture content of dried product.
A Easy handling of feed and product. No Moving parts, stabilized operation and 
negligible maintenance.

 

TYPES OF FLUID BED DRYERS:

 
A. Batch-Type Continuous Fluid Bed Dryer:
 
It comprises of a cylindrical or square chamber fitted with a distributor plate. The fluid bed plate can be rotated. Hot air at 90°c is supplied from below through a conical vessel. Wet material is fed from the top and dried product is discharged downward by rotating the plate. This system allows continuous feed and discharge
 
SALIENT FEATURES:
 
1 Accurate control of retention time and uniform drying.
2 High co-efficient of heat transfer.
3 Simple operation.
4 No damage to particles by attrition.

 

 

 

B. Continuous Fluid Bed Dryer:

 
The distributor plate is fixed at the bottom of a rectangular chamber. Hot air is passed through the Distributor Plate and wet material is fed continuously in a fixed quantity and distributed by a disperser. The air velocity can be varied as desired.
After lapse of designed residence time, the dried product is continuously discharged at the overflow outlets. The exhaust air is vented out after being processed through a dust separation system.
SALIENT FEATURES:
1 Operation can be easily controlled by adjusting feed and temperature of hot air, based on the product temperature at the outlet.
2 Over and under flow features provide uniform drying of small and large size particles.
3 Wet feed is mixed with semi-dried product in the chamber; hence products with higher moisture content can also be fluidized and dried.
4 The drying chamber can be partitioned by baffle plates resulting in more uniform drying.

 

C. Continuous Fluid Bed Dryer:

 
With Built-In Heat Exchanger
 
This type of Fluid Bed Dryer provides heat from two sources to the product -one by hot air and the other by immersed heat exchanger tubes inside the bed. This improves the heat transfer co-efficient and decreases the air quantity required for drying by 50% to 70%. The equipment also becomes extremely compact.

Thermally it is the most efficient Fluid Bed Dryer.
The construction is similar to that of continuous type Fluid Bed Dryer but the drying chamber has a special construction in respect of mounting heat exchanger tubes in the fluidisation area. These specially designed tubes do not hinder fluidisation of the particles, but promote heat transfer.
 
DESIGN OF A COMMERCIAL FLUID BED SYSTEM:
 
Design of a commercial size Fluid Bed System involves a lot more than just heat-mass transfer calculations or sizing. Pilot plant tests, experience and field data are extremely important for designing an optimized Fluid Bed System for continuous application. Consideration of fluidisation velocity, operating temperature, particle size distribution, drying characteristic of material, distributor plate, bed height and dedusting system require pilot plant tests.
Kilburn Engineering Limited has a full fledged Test Centre, where exhaustive facilities are available for Pilot Plant Tests. All variable parameters can be adjusted to study the drying characteristics of a substance and thereby determine values of important parameters. This data is further supplemented with empirical and actual field data.

TYPICAL PRODUCTS HANDLED

A
Potassium Chloride
A
Pesticides
A
Soya
A
Sodium Sulphate
A
Citric Acid
A
Sand
A
Ammonium Bromide
A
Tea
A
Quartz
A
Calcium Ammonium Nitrate
A
Sugar
A
Salt
A
Ammonium Sulphate
A
HDPE
A
Maize
A
Poly Vinyl Acetate
A
PTA
A
Urea
A
Common Salt
A
ABS
A
PVC

About Us:

 
KILBURN ENGINEERING LIMITED is acknowledged as the world’s only company manufacturing all types of DRYERS and offering COMPLETE DRYING SOLUTION for diverse applications.

KILBURN ENGINEERING LIMITED is a Williamson Magor Group Enterprise. The group has varied interests in manufacture and marketing of Tea, Batteries and Engineering with a turnover exceeding US $ 500 million.
Eveready Industries, McNally Bharat Engineering, McLeod Russel India are other group enterprises.

With specialized expertise in design, engineering, manufacture and installation of DRYING SYSTEMS for Solids, Liquids and Gases, KILBURN efficiently covers the world canvass of industries, ranging from Chemical, Petrochemical to Food, Oil & Gas, Refinery, Power Plant & Steel.

KILBURN is a PREMIUM & RECOGNIZED BRAND OF DRYERS for many decades.
The applications range from drying and processing of materials,such as PVC, Carbon Black, Soda Ash, Sodium Cyanide, Rubber, Heavy Chemicals to Sugar, Paddy, Tea etc. 
 
With an inbuilt capacity to design and innovate, at its Govt Recognized & well equipped R&D Centre, KILBURN has been able to successfully provide specialized DRYERS for products such as Tea, Sugar, Rice, Paddy, Coconut, Salt, Chilli and other food products, which have so far been processed in age old, inefficient conventional dryers.

The EXCELLENCE IN QUALITY STANDARD has brought about the splendid growth and total customer satisfaction with every product manufactured by KILBURN.

The real strength of KILBURN lies in TECHNOLOGY ORIENTED FUNCTIONAL GROUPS within company, with exclusive experience in various aspects of DRYING SYSTEMS.

Kilburn with decades of successful track record is supplying world class Drying Systems and Projects for Domestic and International customers in Chemical, Petrochemical,Food & a host of industries.
 
To put  it briefly  KILBURN ENGINEERING LIMITED,  a Williamson Magor Group Enterprise, is an
a
 Engineering & Technology led company with nearly four decades of experience.
a
 Specialized in Process Design, manufacture, supply and field installation of various critically customized process plant equipment.
a
 A leader in solid, liquid, gas drying systems and skid mounted packages for offshore platforms.
a
 A leader in design / manufacturing of Rotary Dryers / Kilns / Calciners.
a
 ASME �U� Stamp certified shop.
a
 30 to 40% of its products exported.
a
 Only company in the world to offer most comprehensive range of dryers under one roof.
a
 Highly qualified and talented pool of expertise in Mechanical, Chemical, Metallurgical, Electrical and Instrumentation disciplines.
a
 System engineering capabilities with a true multi-disciplinary approach.
 
KILBURN ENGINEERING LIMITED… A Technology led Company with ISO- 9001 and ASME U-STAMP Certifications

 

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