Heat Resistant Conveyor Belt

    High-temperature conveyor belts are primarily used for conveying high-temperature materials such as sintered ore, hot coke, cement clinker, and hot castings. Depending on the primary signs of damage and loss of conveying capacity, and the specific heat resistance level, EPDM or SBR (styrene-butadiene rubber) is used for the cover layer; high-strength, high-permeability polyester canvas or cotton canvas is used for the reinforcement layer. Heat-resistant glass cloth can be laid between the cover and the frame layer to extend the service life of the belt. Belts can also be manufactured in an endless configuration upon request.

    Category:
      The Role of High-Temperature Conveyor Belts
      Choosing the most suitable belt depends not only on thermal strain but also on chemical and mechanical stresses.
      The temperature of the conveyed material and the belt surface temperature vary significantly depending on the material’s composition, properties, surface structure, and particle count. For example, when the temperature of bulk material (coke or sintered ore) is 150°C and the particle contact area is relatively small, the belt surface temperature can be maintained at 60°C-80°C. However, when conveying cement powder, the difference between the material temperature and the belt surface temperature is minimal. The belt’s lifespan is significantly affected by the belt’s surface temperature, which can lead to rubber slugging and delamination of the belt core. Therefore, when selecting a belt, it is crucial to consider the belt’s surface temperature, the ambient temperature, adequate belt cooling during return, belt speed, and center (longitudinal) conveying distance. A thicker rubber cover is crucial for ensuring a long belt life. We recommend a 4.5-8mm upper cover and a 2-4mm lower cover for fabric-core belts.
      The physical and mechanical properties of the tropical cover should comply with the following table
      Project
      T1（1 type）
      T2（2 type）
      T3（3 type）
      T4（4 type）
      Hardness
      Draw the intensity
      –
      +20
      +20
      +20
      +20
      Hardness
      Maximum after wearing out
      –
      –
      –
      85
      –
      Draw the intensity
      The minimum value after wearing out
      –
      12
      10
      5
      5
      Draw the intensity
      Performance rate of change
      –
      -25
      -30
      -40
      -40
      Break person who extend
      Performance rate of change
      –
      -50
      -50
      -55
      -55
      Break person who extend
      Maximum after wearing out
      –
      200
      200
      180
      180

      Note:
      T1: Test temperature resistance not exceeding 100°C.

      T2: Test temperature resistance not exceeding 125°C.

      T3: Test temperature resistance not exceeding 150°C.

      T4: Test temperature resistance not exceeding 175°C.

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