Boiler Fan #FAN #CENTRIFUGAL #BOILER #PABRIKSAWIT #OPERATOR #KIPASANGIN #PMKS #DRAFT #CONTROL #FIRE

Summary

In this video, the host from Channel Salmon explains the essential roles of centrifugal fans in palm oil production boilers. The video covers different types of fans (forward, backward, and straight) and their components, as well as their critical functions in optimizing combustion and steam production. It delves into the concept of boiler draft control, highlighting various methods like natural, forced, induced, and balanced drafts. By understanding air flow control, viewers can operate boilers more efficiently, enhancing fuel use and heat transfer. The video aims to provide a comprehensive understanding of boiler mechanics for improved operational effectiveness.

Takeaways

• 😀 Centrifugal fans, also known as 'boiler fans', are crucial components in palm oil production boiler systems, helping with air compression and gas flow.
• 😀 The housing (or casing) of the centrifugal fan has a spiral shape, which directs the air efficiently through the system.
• 😀 The fan blades (impeller) are categorized into forward, backward, and straight blades, each with different orientations to manage airflow.
• 😀 The forward blade rotates in a clockwise direction and helps in moving air forward through the system.
• 😀 The backward blade rotates counterclockwise and is designed for more efficient airflow in reverse direction.
• 😀 Straight blades are aligned in a traditional, linear formation and help maintain airflow balance.
• 😀 Gas ducting directs compressed air and exhaust gases to ensure proper heat transfer and combustion efficiency.
• 😀 Primary fans (Irfan) mix fuel with air and direct it into the combustion chamber for optimal burning conditions.
• 😀 Secondary fans help to distribute air more efficiently within the combustion system, supporting the primary fan.
• 😀 Foster fans supply oxygen to ensure efficient combustion by enhancing air distribution in the boiler.
• 😀 Induced draft fans pull out exhaust gases, maintaining a constant flow of air through the system and aiding heat transfer.
• 😀 Drag control in boilers involves regulating the airflow to ensure efficient combustion, using natural, forced, induced, and balanced drafts.
• 😀 Natural draft relies on the natural movement of air, while forced draft uses a fan to push air into the combustion chamber, often used during startup.
• 😀 Induced draft creates a vacuum to maintain proper airflow, while balanced draft controls the combination of forced and induced drafts for optimal efficiency.
• 😀 Drag race measures the pressure difference between the inside and outside of the chimney, with higher values indicating more efficient combustion and heat transfer.

Q & A

What are the different types of fan blades used in the boiler system?

The three types of fan blades used in the boiler system are: forward blades (curved in the direction of the fan rotation), backward blades (curved in the opposite direction), and straight blades (arranged in a traditional linear pattern).

What is the primary function of the centrifugal fan in the boiler?

The centrifugal fan in the boiler is responsible for compressing air and directing it into the combustion chamber, which helps in improving the combustion efficiency.

How does the airflow control in the boiler contribute to combustion efficiency?

Airflow control in the boiler ensures that the combustion process uses the air and fuel mixture optimally, preventing wastage and ensuring that all fuel is utilized for producing heat and steam, thus improving combustion efficiency.

What is the role of the secondary fan in the boiler?

The secondary fan helps ensure that the fuel is evenly spread in the combustion chamber, which increases combustion efficiency and improves the overall operation of the boiler.

What is the difference between forced draft and induced draft in a boiler system?

In a forced draft, a fan is used to push air into the combustion chamber to ensure proper combustion. In an induced draft, a fan pulls gases and air through the system to maintain a normal pressure and improve heat transfer.

What does balanced draft control refer to in boiler operation?

Balanced draft control refers to the regulation of the airflow between the forced draft and induced draft systems to ensure an optimal ratio, which maximizes heat absorption in the combustion chamber and improves boiler efficiency.

What is the function of the primary fan in the boiler?

The primary fan, or fuel feeder fan, is responsible for supplying air to mix with the fuel inside the combustion chamber, enabling efficient combustion and helping to maintain the required temperature in the boiler.

Why is natural draft used during the initial heating phase of a boiler?

Natural draft is used during the initial heating phase to allow cold air to enter the system naturally for combustion. This helps to gradually increase the temperature and avoid forcing air into the system prematurely.

What is the purpose of the 'drag racer' in boiler operation?

The drag racer measures the pressure difference between atmospheric pressure and the pressure at the top of the chimney, indicating the efficiency of airflow in the system. A higher drag racer reading indicates better combustion efficiency.

How does induced draft help prevent inefficient air movement in the boiler?

Induced draft helps by creating a vacuum in the system, ensuring that the air moves in the correct direction (from front to back) and preventing any backflow or incorrect airflow that could reduce the efficiency of combustion.