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HEAT/SUPER HEAT RESISTANT CONVEYOR BELT

It is suitable for critical applications like hot sintered ore, hot pellet, hotclinker, hot chemical, fertilizer, hot cement etc.


Standard specifications:-

Carcass : Steel cord, Nylon, Polyester.
Tensile Strength: 100-6.000N/mm.
Belt Width : 300-2400mm.
Length : Steel cord belts 50m and over, fabric belts 10m and over.
Rubber Cover : Tl , T2, T3.

Selecting the right heat-resistant belt

  • The surface temperature of the belt varies with the type and size of the material being carried. Like large lump (e.g.) sintered ores, coke),which allow air to circulate, the belt surface would be cooler than the lumps.
  • In the case of powdery or similar materials. Such as cements, alumina, carbon black etc., there is almost no temperature difference between material and belt surface. Therefore, in selecting a belt, it is necessary to know not only the temperature of the material to be carried but also to have an accurate idea of the surface temperature (the belt will be operating at).

Characteristics of Heat Resistant Belt

  • Rubber cover and carcass should not deteriorate due to heat.
  • Rubber cover on carcass should maintain excellent properties, even at high temperatures and good adhesion to form one unit, even when they are exposed to high temperatures.

The surface temperature of heat resistant belt various with the material type, belt speed, loading rate and size depending on circumstances. In order to select the proper heat resistant belt, it is necessary to consider not only the temperature of the material to be conveyed but also the surface temperature of the belt.

SELECTION OF HEAT-RESISTANT GRADE

Materials Carried Temperature of Materials Carried Belt Surface Temperature Heat Resistant Conveyor Belt Grade
Sintered Ore 200° C downward 50-100° C T1
200 C upward 100° C downward
(Lump Condition)
T1
100-130° C T2
130-180° C T3
Return of
Sintered Ore
150° C downward 50-80° C T1
150° C upward 80°C downward
(Lump Condition)
T1
80-130° C T2
130-180° C T3
Spherial Ore 120° C upward 80° C downward T1
120° downward 80° C upward T2
Pellet 150° C downward 100° C downward T2
200° C upward
Coke 60-400° c  100° C downward T1
Cement 120° C upward 50-80° C T1
120° C upward 80-130° C T2
130-180° C T3
Dried Lime
Dried Clay
120-  50° C 100 C upward T2
200° C downward 50-100° C T1
500° C upward 100-130° C T2
130-180° C T3
Cement Steeel
Mills,Chemicals
Fertilizers 
80° C downward 50-70° C T1
80° C upward 70-120° C T2
120-180° C T3
Molding 120° C downward 50-100° C T1
120° C upward 100-120° C T2
120-180° C T3

Restrictions on the use of the heat resistant belt.

Do not use SBR heat resistant belt when:

  • Powdered material is over 70° C.
  • Strong acid or alkaline is used.
  • Oil products and oil-stained substances are used.
  • The operation site or the materials requires flame-resistant belts.

EPDM Heat-resistant belt

Do not use EPDM Heat-resistant belts when:

  • Powdered material is over 180°C.
  • Oil products and oil-stain other than vegetable oil are present.
  • The location of the materials requires flame-resistant belts.
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