Fab India

Manufacturer Of Waste Tyre Recycling Plant

Pyrolysis Process

  • Pyrolysis can be used to reprocess the tyres into fuel gas, fuel oil, solid residue (steel wire) and carbon black.
  • A pyrolysis method which produces activated carbon and high-grade carbon black.
  • The waste tyres are mainly composed of long chain of C-H molecules.
  • The major source is from process of pyrolysis, separation and compounding of Oil.
  • The technology of pyrolysis, cracking, monomerisation of used tyres is always a hot topic.

Tyre pyrolysis

  • The pyrolysis method for recycling used tyres is a technique which heats whole or shredded tyres in a reactor vessel containing an oxygen free atmosphere and a heat source.
  • In the reactor the rubber is softened after which the rubber polymers continuously breakdown into smaller molecules.
  • These smaller molecules eventually vaporize and exit from the reactor.
  • These vapors can be burned directly to produce power or condensed into an oily type liquid, generally used as a fuel.
  • Some molecules are too small to condense. They remain as a gas which can be burned as fuel.
  • The minerals that were part of the tyre, about 40 to 45 % by weight, are removed as a solid.
  • When performed well a tyre pyrolysis process is a very clean operation and has nearly no emissions or waste.
  • The properties of the gas, liquid and solid output are determined by the type of feed stock used and the process conditions.
  • For instance whole tyres contain fibers and steel. Shredded tyres have most of the steel and sometimes most of the fiber removed.
  • Batch wise Process is done by tyre pyrolysis.
  • The steel can be removed from the solid stream with magnets for recycling. The remaining solid material, often referred to as "charcoal".

Variety of polymer waste material is suitable as a raw material. Given below is the list of suitable raw materials for pyrolysis:

  • Waste tyres
  • Rubber or rubber parts from vehicles
  • Electronic scrap
  • Mixed waste from waste paper mill
  • Mixed (HDPE, LDPE, PE, PP, Nylon, Teflon, PS,ABS,FRP etc)
  • Multi layered
  • The choice of feedstock and process can impact the value of the finished products

    Input-output ratio of waste tyre
     
Input Material Input Quantity Output quantity
Nylon scrap tyres 1000kgs -400 to 450 lit of Pyrolysis oil
-50 to 80 kg of Hydrocarbon Gas
-300 to 350 kg of Carbon Black
Redial scrap tyres 1000kgs -400 to 450 lit of Pyrolysis oil
-50 to 80 kg of Hydrocarbon Gas
-300 to 350 kg of Carbon Black
   
     
  • Yield(End product) of pyrolysis process:
  • Pyrolysis oil (Fuel oil)
  • The essential product of tyre pyrolysis process is pyrolysis oil referred as fuel oil

(40 to 45 % of total quantity feed) which is used as a fuel component for heating oil’s and as a component in vessel fuels.

  • Purest quality of pyrolysis oil comparable to industrial diesel: selling price comparable to industrial diesel LDO( light diesel oil)
  • Carbon Black
  • The vital product of pyrolysis plant is carbon black referred as "charcoal"(30 to 35% of total quantity feed ).carbon black has Industrial and commercial use.
  • Steel wire
  • For instance whole tyres contain fibers and steel. Shredded tyres have most of the steel and sometimes most of the fiber removed.
  • The steel wire(15 to 20%) can be removed from the carbon black with magnets for recycling after pyrolysis process & sold to the steel dealer
  • Gas

The smaller molecules eventually vaporize and exit from the reactor. These vapors can be burned directly to produce power or condensed into an oily type liquid, generally used as a fuel. Some molecules are too small to condense. They remain as a gas( 5 to 8% of total quantity feed) which can be burned as fuel.

Auxillary Equipments

Auto Feeder Hydraulic Cutter Material Handling Screw
1. Auto-feeder works with 40 tons hydraulic pressure. Which can press material into reactor, even whole tyre can be easily feed into the reactor without any problem.
2. Since it is automatically work, so that save labor, no need to pay more salary to worker.
1. Hydraulic Cutter works with 25MM carbon steel blade to cuts the radial tyre( with steel) in four pieces., 2. It has 45 ton pressure capacity power pack system to cut Redial tyre and made up with 16 MM MS plate

Material Handling Screw for removal of carbon black from the reactor after pyrolysis process
18 feet long and jacketed

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