How Do Crushers Function in Thermal Power Plant Operations?
Tijd:
20 August 2021
Crushers play an integral role in the operation of thermal power plants by reducing the size of coal and other materials, making them suitable for combustion and energy generation. Here is how crushers function in thermal power plant operations:
1.Coal Size Reduction (Primary Function)
- Crushers are used to break down large chunks of coal into smaller, manageable sizes. Large pieces of coal extracted from mines are typically not suitable for combustion in boilers, so they must be crushed into finer particles.
- The crushers help meet the specifications for the coal required by the furnace or boiler in the thermal power plant.
2.Types of Crushers in Thermal Power Plants
- Kegelbreker: Used for primary crushing to break down larger lumps of coal.
- Hammer Mill Crusher: Uses high-speed rotating hammers to break the coal further.
- Cone Crusher or Ring Granulator: Generally used for secondary crushing to achieve smaller sizes needed for efficient combustion.
- Impact Crusher in Dutch is "Impactbreker".: Utilized if the coal has high moisture content, as it handles both crushing and drying.
3.Role in Fuel Preparation
- After the coal is crushed, it is fed into the pulverizers or mills for further grinding into powdered form (pulverized coal), making it ideal for burning in the boiler.
- Pulverized coal ensures better combustion efficiency and energy yield.
4.System Integration
- Crushers are typically part of the coal handling system (CHS) in thermal power plants. The CHS oversees the transportation, crushing, screening, and feeding of coal into the furnace.
- A well-functioning crusher minimizes the time and energy required for coal preparation and ensures consistent supply to the plant.
5.Impact on Plant Efficiency
- Properly functioning crushers ensure uniform particle size for combustion, which reduces waste, improves heat transfer, and ensures the complete burning of the fuel.
- This directly impacts the thermal efficiency and overall performance of the power plant.
6.Onderhoudsoverwegingen
- Crushers in thermal power plants undergo significant wear and tear due to the abrasive nature of coal. Regular inspection and maintenance are essential to ensure their efficient performance and avoid downtime.
By ensuring optimal fragmentation of coal, crushers contribute significantly to the smooth execution of thermal power plant operations and the reliable generation of electricity.
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