Heavy Fuel Oil Power Plant | Wartsila 18V50 DF

Heavy Fuel Oil Power Plant
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What does HFO or Heavy Fuel Oil Power Plant means? very simple a Power plant which generate electricity using HFO fried engine or Marine engine is called Heavy Fuel Oil Power Plant.

In this Post i am going to share what equipment is needed to run a Heavy Fuel Oil Power Plant with Wartsila 18V50 DF 18.415 MW engine.

Understanding Heavy Fuel Oil (HFO)

  • Heavy Fuel Oil (HFO) derives from crude oil.
  • It also called least purified Diesel or Unpurified Diesel
  • It serves as a fuel in power plants for electricity generation.
  • HFO offers cost-effectiveness and efficiency.
  • Its use requires specialized equipment and infrastructure.

The Composition and Properties of HFO

HFO consists of various hydrocarbon molecules with properties like viscosity and flash point determining its suitability for power generation.

1Density @ 15°CASTM D1298kg/LMax 0.9910
2Kinematic Viscosity
@ 50°C
ASTM D445cStMax 180
3Water and SedimentASTM D1796% v/vMax 0.50
4Total Sediment ExistentISO 10307% massMax 0.10
6Sulphur ContentASTM D4294% m/mMax 3.50
7Ash ContentASTM D482% massMax 0.10
8VanadiumIP 501ppm (mg/kg)Max 250
9SodiumIP 501ppm (mg/kg)Max 50
10Micro Carbon ResidueASTM D4530wt %Max 16
11AsphaltenesIP 143% massMax 14
12Flash PointASTM D93° CMin 60
13Pour PointASTM D97° CMax 24
14AluminiumIP 501ppm (mg/kg)Max 30
15Aluminium + SiliconIP 501ppm (mg/kg)Max 80
16SiliconIP 501ppm (mg/kg)Report
17Calculated Carbon
Calculated (**)Max 860
18LHV (Lower Heating Value)Calculated (**)KJ/KgMin 39000
19CompatibilityASTM D4740Max 2
20NitrogenASTM D3228ppm (mg/kg)Report
21Water by DistillationASTM D95% v/vMax 0.50

Definition of Heavy Fuel Oil

Heavy fuel oil, also known as HFO, is derived from crude oil and commonly used in power stations and marine engines. It is a thick and viscous fuel that requires heating before combustion. With its high energy density, heavy fuel oil is an efficient source of fuel for power generation. Composed of hydrocarbons and having a high sulfur content, heavy fuel oil is a key component in the operation of heavy fuel oil power plants.

Key components of a Heavy Fuel Oil Power Plant

Main component of HFO power plant is HFO Fried engine, Fuel treatment plant (FTP) for HFO treatment, Exhaust gas boiler (EGB) to produce steam for Engine and auxiliary heating and run the steam turbine .

Fuel Treatment Plant

A fuel treatment plant contains A tank firm , HFO Separation, Fuel feeder .

HFO fried Engine

Switch Gear


Water treatment plant

Cooling tower

Exhaust Gas boiler

Diesel Fried Auxiliary Boiler

Emergency Diesel Generator

Emergency Fire Diesel Engine

High Voltage Substation

Turbine Parts

Turbine Rotor

Generator Stator


Heat Exchangers

Control System Components

Advantages of Heavy Fuel Oil Power Plants


High Efficiency

Disadvantages of Heavy Fuel Oil Power Plants

Environmental Impact

Maintenance Costs

Availability of Alternative Energy Sources

Water Treatment Plant

Water Treatment Considerations for Heavy Fuel Oil Power Plant

DM Water system

Softer system

Treated water system

Frequently Asked Questions

What is heat rate in HFO power plant?

Heat rate in a Heavy Fuel Oil (HFO) power plant refers to the amount of fuel energy required to generate one unit of electricity. It is influenced by factors like fuel quality and turbine efficiency. By monitoring and optimizing heat rate, HFO power plants can enhance fuel economy and overall performance.

Is heavy fuel oil bad for the environment?

Burning heavy fuel oil, a dirty fossil fuel with high carbon content, releases harmful emissions like sulfur dioxide and nitrogen oxides into the air. These pollutants can have detrimental effects on the environment and human health. Although some power plants have technologies to reduce emissions, the global trend is to discourage the use of heavy fuel oil due to its negative environmental impact.

Why Use Heavy Fuel Oil?

Heavy fuel oil is a cost-effective option for power generation, thanks to its higher energy density. It’s easily available and convenient to transport, making it ideal for power plants situated away from major ports. Some industries require heavy fuel oil due to its specific properties, like high viscosity and low sulfur content.

Coal power plant or oil power plant?

Which type of power plant is better: coal or oil? This question is not relevant to the blog title “Get to Know Heavy Fuel Oil Power Plants” and does not relate to the content we are discussing.

Are there any regulations regarding the use of Heavy Fuel Oil in Power Plants?

Regulations exist for the use of Heavy Fuel Oil (HFO) in Power Plants. The International Maritime Organization (IMO) regulates HFO usage in marine vessels. Many countries have set limits on sulfur dioxide emissions from HFO power plants. Efforts are underway to transition towards cleaner energy sources.

What is heavy fuel oil and how is it used in power generation?

Heavy fuel oil, a viscous residual fuel derived from crude oil refining, is commonly used in power generation due to its cost-effectiveness. Typically burned in large engines or boilers, it serves as a fuel source for electricity production. However, concerns arise from its high sulfur content and greenhouse gas emissions.

What are the advantages of using a Wartsila 18V50 DF power plant?

The Wartsila 18V50 DF power plant offers several advantages. Firstly, it is a dual-fuel engine, capable of running on natural gas and heavy fuel oil, providing flexibility and cost-effectiveness. Additionally, it boasts high efficiency, reducing fuel consumption and emissions. Lastly, this power plant is known for its reliability and low maintenance costs.

How does a Wartsila 18V50 DF power plant compare to other types of power plants?

The Wartsila 18V50 DF power plant stands out from other types due to its dual-fuel capability, running on heavy fuel oil and natural gas. It offers higher efficiency and lower emissions compared to traditional diesel engines. With the ability to switch fuels based on availability and cost, it provides flexibility and cost-effectiveness in power generation.

What is heavy fuel oil and how is it used in power plants?

Heavy fuel oil, a thick and viscous petroleum-based fuel, plays a crucial role in power plants. It is used for generating electricity through combustion. While it is cost-effective compared to other fuels, heavy fuel oil emits more pollutants. Specialized equipment is required for handling and storage in power plants.

What are some advantages of using Wartsila 18V50 DF power plants?

Advantages of using Wartsila 18V50 DF power plants include high efficiency, fuel flexibility (works on heavy fuel oil and natural gas), low emissions meeting environmental regulations, and reliable performance with easy maintenance.

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