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Hot Air Generator

A hot air generator is a heating device usually used in industrial applications. Its basic function is to produce hot air by heating air and directing this hot air into a space or process. Hot air generators are used in warming, drying, heating and other applications in many different industrial processes.
Hot air generators are available in various sizes and capacities. These generators can be designed to suit different industrial requirements. Which type of hot air generator to use can vary depending on the process needs and energy source. There are generators that provide direct and indirect heating.

In direct heating generators, fuel is burned directly and the combustion gases are used to produce hot air. Direct heating generators produce hot air efficiently and quickly, but the combustion gases are directly introduced into the process, so attention must be paid to the control of pollutants in certain applications.
In indirect heating generators, the fuel burns in the combustion chamber, but the combustion gases are not used directly for hot air production. Instead, the combustion gases are directed to the heat exchanger, which increases the temperature by contact with fresh air or process fluid. As a result, such generators do not transport combustion gases into the process and can therefore reduce pollutant emissions.

What is a Hot Air Generator, How Does It Work?

Basically, they are products that allow hot air to be produced quickly. The main components of these generators; combustion chamber, heat exchanger, fan and control systems. However, it should be able to vary depending on the purpose for which the device will be used in the current production.
The working principle of the hot air generator is as follows;

– The process starts with the combustion of the fuel. This combustion takes place in the combustion chamber and generates combustion gases. The combustion gases are at high temperature and pressure.
– The combustion gases from the combustion chamber are directed to the heat exchanger. The heat exchanger carries out heat transfer with fresh air or process fluid that is brought into contact with the surface of the combustion gases. The combustion gases cool down in the process and the clean air or liquid heats up.
– The air or fluid heated by the heat exchanger is exhausted through the outlet of the generator. This hot air is delivered to the process or space where it will be used.
– A control system regulates the combustion process and air flow rate to maintain the desired temperature level. This ensures the production of hot air at a temperature appropriate to the process needs.

Hot air generators are used in various industrial applications:
Food industry: Used for food drying, cooking and processing operations.
Construction: Used for drying and heating requirements of construction materials.
Chemical and petrochemical: Used for temperature control in chemical processes.
Agriculture: Used for greenhouse heating and grain drying.
Power generation: Used for electric power generation and steam generation.
Industrial Heating: Used for heating of industrial buildings and heating requirements.

Hot air generators produce hot air using a fuel or energy source with high efficiency. They can reach the required temperature quickly, so they are useful in industrial applications that require fast processing. Indirect heating generators help control pollutants because combustion gases are not directly introduced into the process. Many hot air generators can run on different types of fuel, providing flexibility to users.

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