Bed Material

Refractory Bed Material

Our Refractory Bed Material is a Low Ferric High-Temperature material, which is made from super heat duty refractory aggregates of high alumina contents and dense texture. In Fluidized Bed Combustion Boilers (FBC), the Refractory Bed Material imparts perfect and smooth fluidization. We use raw material which limits the clinker formation. this very special Bed Material has many special characteristics that made it a perfect material for obtaining smooth and perfect fluidization use in Fluidized Bed Combustion Boilers (FBC) and Circulating Fluidized Bed Combustion Boilers (CFBC).

AFBC Boiler Bed Material

Chemical Analysis

     Alumina

        Al₂O₃

        Silica

         SiO2

      Alkali

   Na2O + K2O

      Iron

     Fe2O3

Titanium Oxide

        TiO2

   30% – 40%

   50% – 60%

       <1%

     <2.5%

        <1%

Physical Properties

Particle Density

              2.00 gm/cc

Bulk Density

           1000 – 1100 kg/m³

Initial Deformation Temperature

            >1300° C

 

CFBC Boiler Bed Material

Chemical Properties

     Alumina

        Al₂O₃

        Silica

         SiO2

      Alkali

   Na2O + K2O

      Iron

     Fe2O3

     Moisture

        H2O

   30% – 40%

   50% – 60%

       <3%

     <3.5%

        <1%

 Physical Properties

Particle Density

              ———-

Bulk Density

           1500 – 1800 kg/m³

Initial Deformation Temperature

            >1300° C

 

Bed Material Characteristics:

Fully Resistant Against Clinker Formation.

Accurate Particle Size Distribution.

Low Alkali Contents.

Perfectly Controlled Density.

Exceptional Chemical Purity.

Perfect for Obtaining Smooth Fluidizing Action.

High I.D.T. (Initial Deformation Temperature).

Fully Screened Material Free from Fine Particles.

Free from Iron Particles – Processed Through Magnetic Separators

 

Benefits:

Zero Wastage & Low Consumption

Fully screened material to obtain perfect particle size, free from fines, dust and over size particles separated through air classifiers, subsequently eliminates wastage of material through air while in operation. Perfect material and particle density gives smooth and accurate fluidizing action and enhances its low consumption properties.

Uniform Heat Conductivity

Accurate particles, proper density and exceptional heat duty refractoriness of material provides in attaining uniform heat conductivity throughout the boiler zone.

Thorough Shield for Boiler

Highly exceptional chemical purity and low alkalis makes it neutral in chemical nature that gives longer life to boiler tubes and refractory lining as it has no chemical reaction with boiler tubes and carbon fuel. Due to its smooth operational properties and long particle life, it results in low down time and maintenance cost.

Highly Economical

It has been observed that Nitivijay Industries Refractory Bed Material gives a saving of over 48% on its use on account of perfect size, low wastage, better quality and chemical properties, high refractoriness, high temperature properties, low operating consumption and minimal down time in comparison to other similar local products.

Research & Development

Nitivijay’s Refractory Bed Material has been developed as a result of our own constant in-house research and development work and field experience for over 25 years and also, in accordance with the technical support/guidance from time to time, extended by the leading manufacturers of FBC and CFBC Boilers like BHEL, TBW. The technical criteria and particle size distribution of the material is predetermined for practicality as well as the economy of the product on the basis of technical requirement with specific fuel and boiler design.

 The product has wide acceptance all over India and Indonesia and is being regularly used by almost all FBC and CFBC Boilers of BHEL, Thermax, CVL, Chima, Babcox Wilcox, etc.

The product has no match and second to none as it is excellent in operational properties and performance.