why we use boiler on the ship

When to use a make up water feed tank? — Heating Help: The Wall

And just to be clear -- if you do elect to, or need to, use a condensate receiver tank or make up water feed tank or whatever you want to call it -- the pump must be controlled by the water level in the boiler, not the water level in the tank, and any makeup water (there should be very little, unless you are dumping condensate somewhere -- which in a heating system you should not be doing) is

Classification of Marine Boilers and Uses of Steam on Ship

Nov 25, 2019 · Generally on ships, we use internally fired boilers, but in earlier times we used to make steam with the help of coal. High pressure or low pressure- Tankers ships uses the high pressure boilers. Natural or forced circulation of water- Ship normally uses the forced circulation of water.

ShipFever - We here at ShipFever brings the quality content

Nov 19, 2019 · We here at ShipFever brings the quality content to you. The content written here cannot be found in any Marine Book, and are work of experience, with simplified diagrams explained is simple term.

Petroleum and Sea Power - American Oil & Gas Historical Society

Commissioned on March 12, 1914, with coal-powered boilers that were converted to use fuel oil in 1925, the USS Texas “was the most powerful weapon in the world, the most complex product of an industrial nation just beginning to become a force in global events,” said one historian at Battleship Texas State Historic Site.

Are steamboats still used today? | Yahoo Answers

Feb 05, 2010 · Steam is produced from a propulsion boiler. In addition, steam is also used to run the electric generators, water purification plant, and other associated auxiliary equipment. In a nuclear propulsion plant, instead of a propulsion boiler, you have a nuclear reactor in a primary closed loop and steam generators which generate the steam used to turn the turbine engine in a secondary loop.

What are the safety on gauge glass of marine boiler? - Quora

Use of Boiler Gauge Glasses Boiler water is to be kept within the upper and lower limits at all times. If the water level disappears from either the top or the bottom of the glass and does not return immediately, then all burners are to be shut off until the water level has been restored in the gauge glass.

How Do Steam Boilers Work? | Hunker

Mar 28, 2019 · From an operator standpoint, most boilers are simple to use. For an end user, it can be as simple as adding water and hitting a button for smaller, tabletop units. For more complex boilers, such as the ones that provide steam for sterilizers, a program may need to be selected to run certain types of equipment or material through.

What type of fuels do ships use - Answers

Mar 15, 2010 · If we use less electricity, then the use of fossil fuels will also be less. Asked in World War 2 , D-Day What type of ships did the Americans use to invade the beaches of Normandy ?

Boiler Inspection

It is just the opposite of the fire tube steam boiler; the water is in the inside of the tubes and the hot gases are on the outside of the tubes. In the fire tube boiler, we have a limitation on the combustion chamber diameter and length, and it cannot exceed a certain value. So for large-scale industry, generally the water tube boilers are used.

Why Use Diesel? Advantages and Benefits - How Diesel Engines

In a diesel engine, air and the fuel are infused into the engine at different stages, as opposed to a gas engine where a mixture of air and gas are introduced. Fuel is injected into the diesel engine using an injector whereas in a gasoline engine, a carburetor is used for this purpose.

Boiler - definition of boiler by The Free Dictionary

boiler - sealed vessel where water is converted to steam. steam boiler. auxiliary boiler, donkey boiler - (nautical) an extra boiler (as a ship's boiler that is used while the ship is in port) boilerplate - thick plate iron used in the production of boilers.

How Do We Transport Coal? | Sciencing

Apr 24, 2017 · Uses of Coal. The main use for coal in the United States is fuel. At power plants, coal is burned in a furnace with a boiler to make steam. The steam is then used to spin the turbines that produce electricity.

The future of steamships: steam | REB Research Blog

May 16, 2014 · But we can start with using a waste heat steam boiler and generating extra power out of the diesel. For the smaller ships, a simple and cheap impuls type turbine can be used. It is good to realize that a diesel engine in a ship dissipates about 65% of all used power in the air and the (cooling) water.

Steam Boiler Importance in Industrial Production-ZBG Boiler

Industrial boilers are primarily used for process heating, electrical or mechanical power generation, or space heating. Industrial boilers are used in all major industrial sector like paper products, chemical, food, and other industries. And steam boilers are the most common boiler type in various applications.

Ordinary spring-loaded safety valve and improved high-lift

Boiler arrangement - Ordinary spring-loaded Boiler safety valve The use of spring-loaded Boiler safety valves:A boiler is used to heat feed water in order to produce steam. The energy released by the burning fuel in the boiler furnace is stored (as temperature and pressure) in the steam produced.

Boiler Workers - Exposure During Assembly & Repair

Those in the latter group oversee their daily use in engine rooms or boiler rooms. Workers in either group may be responsible for cleaning, adjusting or repairing the equipment. Boiler work is a physically demanding trade, and workers must know how to handle heavy, heated parts safely.

What type of boilers are used on ship? - Quora

Mar 05, 2018 · Both water tube and smoke tube boiler can be used in ships. On a motor ship boiler are used for auxiliary purpose , hence they are called auxiliary boiler. Composite boiler are often used to utilise heat from main engine exhaust gases. Type and design of boiler may depend on their uses, working pressure and maker's choices.

Marine Engineering: Boiler Water Testing

Dec 15, 2010 · Objectives of the Boiler Water Testing 1)To monitor the condition of the boiler water. 2)To control the chemical dosing of the boiler. 3)To maintain the boiler in healthy state, around any possible seawater contamination. The first stage in the boiler water testing is to collect feed water sample from the boiler concerned.

ShipFever - We here at ShipFever brings the quality content

We here at ShipFever brings the quality content to you. The content written here cannot be found in any Marine Book, and are work of experience, with simplified diagrams explained is simple term.

Types of Pumps Used Onboard Ship - MarinerSpotted

Uses :- Lube Oil , Boiler fuel oil pump, main engine driven lube oil pump and many more. 3. Screw Pump :-. These pumps are seen in many applications and have a higher capacity than double row type. Fluid enters the pump and is screwed by the idler shafts along the outer edge to the discharge port.

Efficiency in boilers and beyond

impacting why and how this is done. In an era of slow steaming and emission restrictions, the reduction of energy use and environmental impact can be as important as the steam volumes themselves. Alfa Laval is at the forefront of meeting these challenges, with new boiler concepts and flexible burners that can handle multiple fuels.

Choosing A Marine Boiler While Designing A Ship

Oct 11, 2019 · Choosing A Marine Boiler While Designing A Ship. Marine boilers used in ships today are mostly for auxiliary purposes in vessels that run on marine diesel engines or diesel electric propulsion. In case of ships using steam turbines (mostly found in high speed vessels used by navies), boilers are a part of the main propulsion system.

Water Handbook - Boiler Blowdown Control | SUEZ

Boiler blowdown is the removal of water from a boiler. Its purpose is to control boiler water parameters within prescribed limits to minimize scale, corrosion, carryover, and other specific problems. Blowdown is also used to remove suspended solids present in the system.

BASIC WATER TREATMENT OF STEAM BOILERS

they will be able to detect and prevent problems with their boilers and kilns preferably before they happen. In order to fully understand what a given boiler needs for treatment, a basic study of its supply water must be done first. Three types of impurities exist in all supplies and can cause a wide range of problems in boilers and kilns.

How do heat exchangers work? - Explain that Stuff

Dec 08, 2018 · Hot water is piped through it from a gas central heating boiler, giving up some of its heat to the air in the room in the process and returning to the boiler for more. This is a sort of heat exchanger because the heat from one fluid (the hot water in the pipe) is being given to another fluid (the cold air in the room) without the two fluids mixing.

USS Housatonic - Civil War Academy

The ship was massive, measuring over 200 feet in length and was 40 feet wide. It was steamed by two main boilers and had one backup auxiliary-boiler. The ship easily had enough power to spare and it would need that as it fought off the rag-tag Confederate boats that made up the Rebel navy.

Boilermakers: Jobs, Career, Salary and Education Information

Boilers, tanks, and vats are used in many buildings, factories, and ships. Boilers heat water or other fluids under extreme pressure to generate electric power and to provide heat. Large tanks and vats are used to process and store chemicals, oil, beer, and hundreds of other products. Boilers are made out of steel, iron, copper, or stainless steel.

Exhaust Gas Boilers And Economisers working procedure

Exhaust Gas Boilers And Economisers working procedure The use of exhaust gases from diesel engine: The use of exhaust gases from diesel main propulsion engines to generate steam is a means of heat energy recovery and improved plant efficiency. An exhaust gas heat exchanger is shown in Figure above.

Chapter 2 Boiler 101: typical NYC residential heating system

office buildings, use forced hot water or steam systems for heating. These types of systems use a boiler to heat water—the resultant hot water or steam flows through pipes to baseboard or free-standing radiators located in each room. As these radiators get hot, they radiate heat into the room.

What is the use of boiler? - Quora

Mar 25, 2017 · It's a closed pressure vessel in which fluid is heated to generate steam, also called (steam boiler). Open vessel, generating steam is not a boiler. So, its function is to transfer the heat produced by the combustion of fuel to water and finally to generate steam. i.e power generation. Purpose on Ship : (use of steam on board, simply)

Are steamboats still used today? | Yahoo Answers

Feb 05, 2010 · The Great Lakes is a home for some "old" boats ,still earning their keep in every day use. {when the shipping season is open} . A search at the "boat nerd" site turned up 17 lake freighters , oil fired steam turbine powered ,600ft to 800 ft length, still in service and 4 reciprocating steam still in regular commercial service .

Why must the expansion tank (deaerator tank) be kept at a

Generally it is recommended to keep the expansion tank (deaerator tank) at a certain height (say 6-9 feet) above the pipe line. The two main reasons are the following ones: Facilitate de degassing of the fluid since the gas bubbles tend to rise and to get captured in the expansion tank.

Exhaust Gas Boilers And Economisers working procedure

Exhaust Gas Boilers And Economisers Arrangement Auxiliary boilers on diesel main propulsion ships, other than tankers, are usually of composite form, enabling steam generation using oil firing or the exhaust gases from the diesel engine. With this arrangement the boiler acts as the heat exchanger and raises steam in its own drum.

D Type Water Tube Boilers | Water Tube Boiler Sales & Service

These highly efficient boilers are preferred in these applications because the design facilitates good feed water circulation, which enables a faster steam-raising and generation process. Additionally, the weight of the water tube boiler is much less compared to other types of boiler of equivalent size due to a reduced volume of water in the boiler.

Explanation of Boiler Feed Water & It's Treatment - Magic

Jan 16, 2014 · We are enabling B.Tech engineering students to learn more effectively using our solution, called MasterClass™ and our proprietary process called the Theory of Organised Learning™.

Returning Condensate and When to Use Condensate Pumps | TLV

In essence, their use is similar to that of a conventional pump. High-pressure centrifugal pumps with an ejector are also commonly used in pressurized systems to directly feed high temperature condensate back to the boiler.

Industrial boiler technology for beginners

kind of fuel. The boiler heats up or evaporates the water inside it, which is then transported to the consumers via pipe systems. In case of hot water the transport energy is generated by pumps, in case of steam the transport is based on inherent pressure. The cooled water or the condensed steam returns to the boiler where it can be heated again.

Marine Boilers - Marine Engineering Knowledge Part 1

Oct 13, 2015 · What is the meaning of marine boilers ? Boiler is a pressure vessel used on ships in which the water is heated to evaporate and generate the steam and the unit is so arranged that the generated steam accumulated in it. The two main types are water tube and fire tube. What is the boiler mounting ? It is directly fitted to the boiler shell. They are:

Creep and Creep Failures - National Board of Boiler and

Indeed, the ASME Boiler and Pressure Vessel Code recognizes creep and creep deformation as high-temperature design limitations and provides allowable stresses for all alloys used in the creep range. One of the criteria used in the determination of these allowable stresses is 1% creep expansion, or deformation, in 100,000 hours of service.

Steam Boiler | Working principle and Types of Boiler

Aug 22, 2018 · The boiler is essentially a closed vessel inside which water is stored. Fuel (generally coal) is bunt in a furnace and hot gasses are produced. These hot gasses come in contact with water vessel where the heat of these hot gases transfer to the water and consequently steam is produced in the boiler.