Recycling tires has become a global
industry, and as new technology emerges, we are increasingly seeing innovative
ways to handle this type of waste. The future looks promising for keeping
end-of-road tires out of landfills and put to better use.
In this article, we’ll outline different
methods for conducting the tire recycling process. They have several valuable
materials that make up their composition and with recycling techniques, we can
extract them and use them in the production of new resources and products.
Gradeall is a leading manufacturer of tire recycling machinery. We aim to contribute
to the tire recycling industry with high-performance machinery that can
streamline this process. Contact us and speak with someone about
enhancing the efficiency and productivity of your operation.
The first step in the tire recycling
process is to remove the steel or alloy rims from the waste tire. This serves
two purposes, the first is that the tire is much easier to process after the
rim is removed and the second, is that the waste steel can then be sold for
profit and recycled into new products.
At Gradeall, we have manufactured
industry-leading machinery that conducts this process efficiently. The Tire Rim Separator can remove the rim in under just 20
seconds and the Truck Tire Rim Separator can do it in just
under 60 seconds. This is the first ideal step in the tire recycling process.
Once the tire rims have been removed, the
sidewalls from the waste tire can also be cut off. This serves several purposes
in the tire recycling process, including:
At Gradeall, we have manufactured the Car Tire Sidewall Cutter, which can process up
to 140 tires per hour and the Truck Tire Sidewall Cutter which can handle
larger agricultural and lorry-type tires. This step helps streamline the tire
recycling process and prepare them for further processing methods.
A tire baler can bale whole waste tires and
tires with the sidewalls removed. The latter, just also for more tires to be
baled at once, which can greatly enhance the transportation and storage
Tire bales have several advantages,
At Gradeall, we have designed and
manufactured several tire balers for this purpose. The MK2
Tire Baler is ideal for passenger-type waste tires, whilst the Truck Tire Baler is able to bale larger tires
from trucks or lorries.
Once the tires have been formed into tight
compact bales, they can then be sent to tire recycling facilities that will
process the waste tires physically or chemically. This process will alter the
tires’ composition, to extract valuable resources or convert them into useful
This method involves shredding tires into
smaller pieces using specialized equipment. The resulting tire chips or shreds
can be further processed or used as a raw material in various applications.
Ambient grinding utilizes ambient
temperature to reduce tires into granules or crumb rubber. The process involves
cutting or grinding tires into small particles, typically ranging from a few
millimetres to a few centimetres in size.
In cryogenic grinding, tires are frozen using
liquid nitrogen or a similar cryogenic substance. The frozen tires become
brittle, allowing them to be easily shattered into small particles. Cryogenic
grinding is often used to produce fine rubber powders.
Pyrolysis involves heating tires in the
absence of oxygen at high temperatures, typically around 400 to 600 degrees
Celsius. This thermal decomposition process breaks down the tires into various
byproducts, including liquid oil, gas, and carbon black. These byproducts can
be further refined and used in the production of fuels, chemicals, or other
Devulcanization is a process that aims to
break the cross-links in vulcanized rubber to restore its elastic properties.
It allows for the reclamation of rubber from tires, which can then be used to
produce new rubber products.
It’s worth noting that the specific tire
recycling methods used can vary depending on the desired end products, the
available technology, and the recycling facilities’ capabilities. Different
methods may be more suitable for certain types of tires or for specific
recycling goals, such as maximizing material recovery or energy production.
Once the tires have been processed using
one of the methods above, they can then be used in the application of new
materials or resources. Some of the tire recycling uses include:
Tire chips can be used as a fuel source in
cement kilns. The high energy content of tire chips makes them suitable for
generating heat during the cement production process.
Tire chips can be used in civil engineering
projects such as retaining walls, embankments, and slope stabilization. The
chips offer lightweight fill material that can reduce the overall weight of
Shredded or ground tire rubber can be used
as an additive in the production of construction materials like asphalt,
rubberized asphalt, or rubber-modified concrete. This helps improve the
performance and durability of these materials.
Tire chips are often used as a cushioning
material in playgrounds and recreational areas. The chips provide impact
absorption, improving safety and reducing the risk of injuries from falls.
Tire chips can be used as a landscaping
material or mulch in gardens, flower beds, and pathways. They help retain
moisture, control weed growth, and provide insulation for plants.
Tire chips can be utilized in equestrian
arenas and horse paddocks as a footing material. The chips offer shock
absorption and provide a comfortable surface for horses, reducing the risk of
In some cases, tire chips are incorporated
into the construction of athletic tracks and sports fields. The chips can help
with drainage, provide cushioning, and enhance the durability of the surfaces.
Tire chips can be used as an aggregate in
road construction and the creation of walking or biking paths. The chips
provide additional stability, improve drainage, and reduce road noise.
If you would like to hear more about
upgrading your tire recycling operation speak to a member of the Gradeall team. We have
waste management solutions to suit every operation’s needs and requirements,
whilst enhancing the efficiency and productivity of their tire recycling
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