RefractoryBed Material / Boiler Sand
Refractory Udhyog is engaged in the manufacturing and supplying of Refractory Bed Material in all over the country. 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. RRIPL's 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).
Characteristics
Enlisted below are the noteworthy quality attributes of low cement castables:
- Fully resistant against clinker formation
- Accurate particle size distribution
- Low alkali low iron contents
- Perfectly controlled density
- Exceptional chemical purity
- Perfect product for obtaining fluidized action
- High I.D.T. (initial deformation temperature)
- Fully screened material free from fine particles
- No free iron particles - passed through iron separators
Research & Development -
The Bed Material has been developed is 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 economy of the product
on the basis of technical requirement with specific fuel and boiler
design.
Special Characteristics –
Refractory Udhyog Bed Material has many special attributes that
makes it a transcendent material for FBC and CFBC Boilers with
greater scale of economy.
Zero wastage - Low consumption –
Fully Screened Material - Perfect Size: Free from Fines & dust and
over size particles separated through Air Classifiers. This
subsequently eliminates wastage of material through air while in
operation. Perfect Material and Particle Density gives perfect and
smooth fluidizing action and enhances its Low Consumption
properties.
Uniform Heat -
Accurate Intermediate Particle Size Distribution in required
percentage of our product gives uniform distribution of heat /
temperature in boiler bed area.
SPECIFICATION FOR FBC / CFBC BOILER
| PRODUCT NAME | BED MATERIAL FOR FBC BOILER |
| Particles Grain size : | 1) Min : 0.85 mm to Max : 1.5 mm 2) Min : 1.00 mm to Max : 2.00 mm 3) Min : 1.50 mm to Max : 2.5 mm 4) Min : 2.5 mm to Max : 3.5 mm Micron Min : 650 mm to Max : 850 mm |
| Al2O3 | 30 – 40% |
| SILICA | 60 – 70% |
| BULK DENSITY | 1000 – 1100 kg/m |
| PARTICLE DENSITY | 2000 kg |
| Fusion Temperature | 1100 - 1400°C |
NOTE : PARTICLES VARIATION WILL BE 5/10% ALLOWED.
Resistant against Clinker Formation
The Low ferric chemical property and High Initial Deformation
Temperature (PCE value) makes it highly resistant to abrasion
and an ideal product against clinker formation at high
temperatures.
Safest product for boiler tubes
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.
Economy of Product
It has been observed that our Refractory Bed Material gives a
saving of over 45% 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.
The product has wide acceptance all over India and Overseas
and is being regularly used by almost all FBC and CFBC Boilers
of BHEL, Thermax etc.
The product has no match and none to second, as it is excellent
in operational properties and performance.