The key to judging the efficiency of a tire pyrolysis production line lies in a combination of product yield and quality, energy efficiency, and overall operational performance. The primary goal is maximizing the recovery of valuable materials (oil, carbon black, gas, steel wire) in commercially viable forms. 
Key Efficiency Metrics
Product Yield and Quality: This is a primary indicator of efficiency.
Pyrolysis Oil: A high yield of oil (typical range 28-60% by weight, depending on conditions) with properties close to conventional fuels (high heating value, low sulfur and viscosity) is desirable.
Recovered Carbon Black (rCB): The quantity and quality (e.g., ash, zinc, and sulfur content, particle size, surface area) of the rCB determine its market value.
Pyrolysis Gas: A sufficient yield of high-calorific-value gas to fuel the pyrolysis process itself, achieving energy self-sufficiency, is a key efficiency measure.
Recovered Steel Wire: The amount and purity of steel recovered also contribute to overall efficiency and profitability.
Energy Efficiency: A plant's ability to minimize external energy input is crucial. Using the generated pyrolysis gas to heat the reactor, rather than relying solely on external fuel sources, is a major efficiency factor.
Processing Capacity and Time:
Throughput: The amount of waste tires processed per unit of time (e.g., tons per day) indicates the scale and speed of operation.
Reaction Time: Shorter, optimized reaction times contribute to higher overall efficiency and output.
Environmental Performance and Economic Viability: An efficient line minimizes secondary pollution and proves economically viable. This includes:
Low emissions of harmful pollutants.
Minimal solid waste disposal requirements.
A favorable return on investment and payback period. 
Key Factors Influencing Ef