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Linus Projects is a well-managed, rapidly expanding engineering firm with a diverse portfolio. Our journey began with a focus on designing and producing fired heaters, including steam boilers, thermic fluid heaters, and both pressurized and non-pressurized hot water generators. We also specialize in direct and indirect fired hot air generators, along with our unique electric electrode type steam generators. We aim to cater to the needs of small and medium-scale industries, particularly in applications like Lube Oil Blending Plants.

Linus Projects has expanded its offerings to include a wide array of environmentally friendly and highly efficient products. These additions have been instrumental in assisting industries in achieving elevated productivity and enhanced profitability. We specialize in providing comprehensive solutions, offering both single-point solutions and complete turnkey projects tailored to meet the diverse needs of our customers across a variety of industries.



The burner of a thermic boiler is a critical component responsible for combustion and heat generation in the boiler system. It is designed to efficiently ignite and burn the fuel, typically oil or gas, to produce the required heat energy for heating the thermic fluid circulating within the boiler.

Key features of the burner include:

1. Combustion Chamber: The burner incorporates a combustion chamber where the fuel and air mixture is ignited and burned to generate heat.

2. Fuel Supply System: It includes mechanisms for delivering the fuel, whether it is oil or gas, to the combustion chamber at a controlled rate.

3. Air Supply System: The burner is equipped with an air supply system that ensures the proper mixing of air with the fuel for efficient combustion.

4. Ignition System: An ignition system is provided to initiate the combustion process, typically using a spark or pilot flame.

5. Control Mechanisms: Burners are equipped with control mechanisms to regulate the fuel and air flow rates, ensuring optimal combustion efficiency and maintaining desired operating conditions.

6. Safety Features: Safety devices such as flame sensors, pressure switches, and temperature sensors are integrated into the burner to monitor and control the combustion process, preventing unsafe conditions such as flameouts or overheating.

7. Efficiency Enhancements: Modern burner designs may incorporate advanced features such as variable-speed drives, modulating controls, and pre-mixing technology to further enhance combustion efficiency and energy savings.


The expansion tank of a thermic boiler is a vital component designed to accommodate the expansion and contraction of the thermic fluid within the system due to temperature variations. It serves to maintain optimal pressure levels and prevent damage to the boiler and associated components.

Key features and functions of the expansion tank include:

  1. Volume Expansion: As the thermic fluid within the boiler heats up, it expands in volume. The expansion tank provides additional space for the fluid to expand into, preventing excessive pressure buildup within the system.

  2. Pressure Regulation: The expansion tank helps regulate the pressure within the boiler system by absorbing excess fluid volume during heating cycles and releasing it back into the system as the fluid cools and contracts.

  3. Thermal Cycling Protection: By accommodating the expansion and contraction of the thermic fluid, the expansion tank helps prevent damage to the boiler and associated piping caused by thermal cycling.

  4. Maintenance of System Efficiency: Properly sized and installed expansion tanks ensure the efficient operation of the thermic boiler by maintaining stable pressure levels and preventing system overpressure or underpressure conditions.

  5. Safety: The expansion tank includes safety features such as pressure relief valves to prevent overpressurization of the system and ensure safe operation.

  6. Material and Construction: Expansion tanks are typically constructed from durable materials such as steel or carbon steel and are designed to withstand the high temperatures and pressures encountered in thermic boiler applications.



Eco-Friendly Design

The control panel of a thermic boiler is a centralized unit that houses various controls, indicators, and instrumentation necessary for the operation, monitoring, and control of the boiler system. It serves as the nerve center of the boiler, allowing operators to manage and regulate the boiler's performance efficiently.

Key components and features of a typical control panel for a thermic boiler include:

1. Temperature Controllers: Digital or analog temperature controllers are used to set and monitor the temperature of the thermic fluid within the boiler. These controllers ensure that the fluid temperature remains within the desired range for optimal operation.

2. Pressure Gauges: Pressure gauges provide real-time readings of the pressure levels within the boiler system. They help operators monitor and maintain safe operating pressures to prevent overpressure situations.

3. Safety Interlocks: Safety interlocks are incorporated into the control panel to ensure the safe operation of the boiler. These interlocks may include high-temperature cutoffs, low-water cutoffs, and flame failure detection systems that automatically shut down the boiler in case of abnormal conditions.

4. Control Switches: Control switches allow operators to start, stop, and adjust various parameters of the boiler system, such as burner operation, pump operation, and fluid circulation.

5. Alarm Indicators: Visual and audible alarm indicators alert operators to any abnormal conditions or malfunctions within the boiler system, allowing for prompt corrective action to be taken.

6. PLC (Programmable Logic Controller): In modern boiler systems, PLCs are often used for advanced control and automation. PLCs can be programmed to control multiple aspects of boiler operation, including temperature, pressure, flow rates, and sequencing of equipment.


Overall, the control panel of a thermic boiler is a critical component that ensures safe, efficient, and reliable operation of the boiler system by providing centralized control, monitoring, and diagnostic capabilities.

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