Project Description

PVO and NIR pre-vulcanization ovens

Pre-vulcanization systems are suitable for curing the outer surface of the profile to stabilize its geometry before coming into contact with the vulcanization oven conveyor belt.

The pre-vulcanization temperature inside the oven reaches about 600°C in the PVO system and 950°C in the NIR system.

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PVO and NIR pre-vulcanization ovens

Pre-vulcanization systems are suitable for curing the outer surface of the profile to stabilize its geometry before coming into contact with the vulcanization oven conveyor belt.

The pre-vulcanization temperature inside the oven reaches about 600°C in the PVO system and 950°C in the NIR system.

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High-speed hot air ovens

The principle of operation of the system developed and implemented by Colmec is based on the circulation of forced hot air at high speed inside two concentric chambers. The outer area, where hot air circulates at low speed, is called the preheating tunnel because the air in this area is preheated before flowing or flowing back into the inner area by high-capacity blowers. The interior area, where hot air circulates at high speed, is called the vulcanization tunnel where the profile or cable vulcanization takes place. The air temperature can be adjusted up to 400 °C and the air speed can vary up to 60 m/sec.

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High-speed hot air ovens

The principle of operation of the system developed and implemented by Colmec is based on the circulation of forced hot air at high speed inside two concentric chambers. The outer area, where hot air circulates at low speed, is called the preheating tunnel because the air in this area is preheated before flowing or flowing back into the inner area by high-capacity blowers. The interior area, where hot air circulates at high speed, is called the vulcanization tunnel where the profile or cable vulcanization takes place. The air temperature can be adjusted up to 400 °C and the air speed can vary up to 60 m/sec

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FIR ovens

FIR ovens permit a continuous vulcanization process with the latest generation infrared lamps. Infrared technology allows rapid heating of the extruded profile due to energy transfer in the form of electromagnetic radiation without direct contact and without means of transfer.

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FIR ovens

FIR ovens permit a continuous vulcanization process with the latest generation infrared lamps. Infrared technology allows rapid heating of the extruded profile due to energy transfer in the form of electromagnetic radiation without direct contact and without means of transfer.

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NIR ovens

NIR ovens permit a continuous vulcanization process with the latest generation of near infrared lamps. NIR oven infrared technology allows rapid heating of the extruded profile due to the transfer of energy in the form of radiation of electromagnetic waves without direct contact ensuring very high yields and reduced energy consumption.

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NIR ovens

NIR ovens permit a continuous vulcanization process with the latest generation of near infrared lamps. NIR oven infrared technology allows rapid heating of the extruded profile due to the transfer of energy in the form of radiation of electromagnetic waves without direct contact ensuring very high yields and reduced energy consumption.

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Molten salt ovens

A complex system that meets the most demanding requirements for vulcanization of rubber profiles with peroxide curatives. This system allows you to completely cover the extruded salt, immersing it in the tank by rollers or belts.

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Molten salt ovens

A complex system that meets the most demanding requirements for vulcanization of rubber profiles with peroxide curatives. This system allows you to completely cover the extruded salt, immersing it in the tank by rollers or belts.

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Hybrid ovens with molten salt and high-speed hot air

This new patented vulcanization system simultaneously exploits the qualities of molten salt and high-speed hot air. The novelty of this system is that it has eliminated the use of rollers and/or conveyor belts to keep the profile immersed under the surface of the liquefied salt. The profile floats on the molten salt and during vulcanization is exposed to high speed hot air. This offers the possibility to vulcanize freely without the use of the conveyor belt or rollers that can cause marking and deformation.

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Hybrid ovens with molten salt and high-speed hot air

This new patented vulcanization system simultaneously exploits the qualities of molten salt and high-speed hot air. The novelty of this system is that it has eliminated the use of rollers and/or conveyor belts to keep the profile immersed under the surface of the liquefied salt. The profile floats on the molten salt and during vulcanization is exposed to high speed hot air. This offers the possibility to vulcanize freely without the use of the conveyor belt or rollers that can cause marking and deformation.

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