In today’s time, industries require high temperatures for their production process. Many types of heating units are used for this. One of them is a Thermic Fluid Heater. It is a modern technology based heating system which heats thermal oil by burning fuel and then this heat is used in various industrial processes.
What is a Thermic Fluid Heater?
Thermic Fluid Heater is an industrial device that is used for high temperature heating by heating heat transfer oil or any other thermal fluid. Its biggest advantage is that it does not require steam, but it transfers heat directly through hot oil or fluid.
- It can easily work up to 300°C or more.
- It does not require high pressure, making it safe and economical.
- It is used more in places like the food industry, chemical industry, textile and paper industry.
Thermic Fluid Heater Diagram
A simple Thermic Fluid Heater Diagram is as follows –
- Furnace: Here fuel is burnt.
- Coil / Heater Tubes: Where thermal oil passes and gets heated.
- Pump: Works to circulate hot oil.
- Expansion Tank: Controls the expansion of thermal oil when its temperature increases.
- User Equipment / Process: Where heat is used.
From the diagram we get to know how fuel burns to produce heat and then this heat is used in different industrial processes through thermal oil.
Flowchart

Thermic Fluid Heater Working Principle
Now comes the most important question – What is the Thermic Fluid Heater Working Principle? Its working method is simple:
- Fuel (such as coal, diesel, gas or biomass) is burned in the furnace.
- The heat generated by it heats the thermal oil present in the heater coils.
- With the help of a pump, this hot oil is transported to various equipment and processes.
- There it releases its heat and cools down and returns back to the heater.
- This cycle continues continuously.
The big advantage of this system is that it does not require high pressure and yet it provides high temperatures.
Applications of Thermic Fluid Heater
Thermic Fluid Heater is used in many industries. Some of the major areas are:
- Food Industry: In making oil, sugar, biscuits, chocolate etc.
- Chemical and pharmaceutical industry: For various chemical reactions and processing.
- Textile industry: For drying, dyeing and processing.
- Paper and Pulp Industry: For paper drying and processing.
- Pharma and Rubber Industry: For heating processes.
Advantages of Thermic Fluid Heater
- High temperature capability – It can easily operate at temperatures above 300°C.
- Safe operation – It does not require high pressure, which reduces the chances of leakage and accident.
- Low maintenance – It is easy to maintain as compared to other boilers.
- Energy saving – It is fuel efficient and works continuously for a long time.
- Long life – Due to robust design and high quality, it lasts for years.
Thermic Fluid Heater Manufacturers in India
Many companies are working as Thermic Fluid Heater Manufacturers in India. Some of these companies work on a small scale while some provide industrial solutions on a large scale.
Role of Manufacturers:
- Manufacturing high quality heaters
- Customization as per customer requirement
- Installation and technical support
- Providing equipment with better safety standards
Durga Boilers & Engineering Works is one of the trusted Thermic Fluid Heater Manufacturers in India. Our company is known for modern design, high efficiency and best service.
Why choose Durga Boilers & Engineering Works?
Experienced team and modern technology
Economical and energy saving solutions
Long lasting and durable equipment
Customized design as per customer requirement
Better after-sales support and service
Conclusion
Thermic Fluid Heater is the most reliable and economical heating option in today’s industrial world. Its working principle and diagram help to understand how it works and why its use is increasing in various industries.
If you are looking for reliable Thermic Fluid Heater Manufacturers in India then Durga Boilers & Engineering Works is the perfect choice for you. We provide high quality, safe and sustainable heating solutions.
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