How do you treat boiler water?

How Do You Treat Boiler Water?
  1. Remove Hard Water Elements. Water treatment typically begins with sediment filters to remove suspended solids and water softeners to remove calcium, magnesium and other metal cations. …
  2. Pre-Heat the Feedwater. …
  3. Treat Feedwater with Required Chemicals.

What is boiler water and how is it treated?

Boiler water treatment is a type of industrial water treatment focused on the removal or chemical modification of substances potentially damaging to the boiler. Varying types of treatment are used at different locations to avoid scale, corrosion, or foaming.

Why the boiler water requires treatment and explain how do you treat the industrial boiler water?

Treatment of boiler feed water is required for preventing excessive heat transfer equipment fouling and erosion of turbine blades.

Which water treatment process is best for boiler water?

Reverse Osmosis is a very popular technology for power plants when used in combination with a polishing technology. They are typically used on high-pressure boilers in power plants or refineries where extremely high purity water is desired.

Why boiler water treatment is required?

Why is boiler treatment required? Boiler corrosion: water contains oxygen which will eventually lead to the thinning and pitting of the metal pipes. … Suitable boiler water treatments will eliminate oxygen from the water and help prevent corrosion.

What is the importance of boiler water treatment?

Proper water treatment ensures continued efficiency

Water treatment also helps to keep your boiler running at maximum efficiency. The significance of this is that, when boilers have reduced heat transfer, you spend more money on fuel.

What are the 2 types of boiler feed water treatment?

The treatment of boiler water can be put into two parts. These are internal treatment and external treatment. (Sendelbach, p. 131) The internal treatment is for boiler feed water and external treatment is for make-up feed water and the condensate part of the system.

What is the water treatment system?

Water treatment is any process that improves the quality of water to make it appropriate for a specific end-use. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, including being safely returned to the environment.

What is Calgon treatment of boiler feed water?

Calgon = sodium hexa meta phosphate The process involves the addition of calgon to boiler water. It prevents scale and sludge formation by forming highly soluble calcium hexa meta phosphate complex compound with CaSO4. 4) Describe the demineralization process of softening of hard water.

What is supplied to the boiler at?

Thermal power is supplied by a fuel to a boiler. … The boiler takes in energy from some form of fuel such as coal, natural gas, or nuclear fuel to heat water into steam.

What type of water is used in boilers?

The boiler receives the feed water, which consists of varying proportion of recovered condensed water (return water) and fresh water, which has been purified in varying degrees (make up water). The make-up water is usually natural water either in its raw state, or treated by some process before use.

Why trisodium phosphate is used in boiler?

Trisodium phosphate (Na3PO4), also known as TSP, is a common boiler water conditioning chemical that establishes moderately alkaline conditions in the boiler to minimize corrosion and reduce scaling where hardness ingress occurs.

At what pressure water is supplied to boiler?

Water Tube Boiler: In this boiler, the water is present inside the tubes and the hot flue gases surround them. They are high-pressure boilers and the operating pressure is about 250 bar.

What is supplied to a boiler Mcq?

(D) Any of the above. (D) its temperature increases. (D) at more than the steam pressure on the boiler.
…
30.
Q 1- 15 Q 16- 30
Q 121- 135 Q 136- 160
Q 161- 175 Q 176- 190
Q 191- 205 Q 206- 220
Q 221- 235 Q 236- 250

How does an industrial boiler work?

How Do Industrial Boilers Work? … Steam boilers transport through the pressure created by the process, while hot water boilers use pumps to move heat throughout the system. Eventually the condensed steam or cooled water returns back through the pipes to the boiler system, so the heating process can be initiated again.

Which of the given boilers is Drumless?

11. Which type of boilers are called drum-less boilers? Explanation: In positive forced boilers, water enters the bottom of the tubes and completely transforms into steam as it passes through the tubes and reaches at the top. Thus, these boilers do not need a steam drum and hence often referred as drum-less boilers.

Why is the pressure low on my boiler?

The most common reason for your gas boiler pressure being too low is either a water leak somewhere in the system or reduced system pressure as a result of bleeding a radiator.

Which type of boiler produces steam at high pressure?

Velox Boiler:

The Velox boiler is a forced circulation water tube boiler that uses high velocity to rapidly produce steam. The principle of the Velox boiler is built on the velocity of the gas, which moves faster than the speed of sound and increases the rate of heat transfer.