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All boilers are made to a pressure specification and in most countries any pressure vessel over a certain size is required to be periodically inspected and pressure tested to ensure it is fit for purpose. In addition to being in sound condition, the boiler is also expected to have some form of pressure relief valve. This is of sufficient size to vent off excess pressure before it gets to an explosive situation. It is obviously important that the pressure of this device is set to a lower level than the ultimate pressure specification of the boiler. Even quite small boilers, like those in coffee makers need to be inspected.
Some boilers are 'gas fired' such as home heating boilers. These have a device called a thermocouple that detects the flame and is linked to the gas valve. If the flame goes out, or the burner does not ignite when gas is released in the boiler, it will shut the gas off. Typically gas fired boilers have a number of devices that will shut off the gas in the event that something doesn't work. This means that if the gas supply pipe is in sound condition, the boiler itself cannot leak gas and cause an explosion.
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What Amine do in boiler water?
Amines are used in boiler water primarily as oxygen scavengers to prevent corrosion in the boiler system. They react with dissolved oxygen to form harmless byproducts, thereby reducing the risk of pitting and other types of corrosion in boiler components. Additionally, some amines can help maintain pH levels and improve overall water quality, enhancing the efficiency and longevity of the boiler.
What is the procedure for installing a water column on high pressure steam boiler?
To install a water column on a high-pressure steam boiler, first ensure that the boiler is shut down and depressurized. Then, locate the appropriate connection point, usually on the boiler's steam drum, and clean the surface to ensure a proper seal. Install the water column by securing it with appropriate fittings and ensuring all connections are tight to prevent leaks. Finally, connect the necessary gauge and ensure proper calibration before bringing the boiler back online.
What is Function of boiler dearating feed tank?
A boiler de-aerating feed tank serves to remove dissolved gases, primarily oxygen and carbon dioxide, from the boiler feedwater before it enters the boiler. This process helps prevent corrosion in the boiler system, which can significantly extend equipment life and improve efficiency. The tank also ensures that the feedwater is properly heated and stored, maintaining optimal conditions for steam generation. Additionally, it acts as a surge tank, providing a buffer for fluctuations in water demand.
Why is it important to maintain a gas-free condition in the boiler feed water?
Maintaining a gas-free condition in boiler feed water is crucial to prevent corrosion and scaling within the boiler system, which can lead to decreased efficiency and increased maintenance costs. Dissolved gases, especially oxygen and carbon dioxide, can cause pitting and other forms of corrosion in metal components. Additionally, gas bubbles can impair heat transfer, reducing the overall performance of the boiler. Ensuring the feed water is free of gases helps extend the lifespan of the boiler and improve operational reliability.
What is boiler corrosion?
the decay of boiler material by chemical or electrochemical attack by its environment is known as boiler corrosion
What is the dangers with burning oil as fuel in the boiler?
An explosion could occur.
Why two safety valve provide to boiler?
standby valve,
What can happen if you had a sudden drop on boiler steam pressure without a corresponding drop in boiler water temperature?
BOILER EXPLOSION- Caused by a sudden drop in pressure (failure on the steam side) without acorresponding drop in temperature.
Why you need boiler preservation?
Boiler preservation is necessary to prevent corrosion and rust formation when the boiler is not in operation for an extended period. It helps protect the internal surfaces of the boiler from damage and ensures that it can be safely and efficiently restarted when needed. Proper preservation also helps extend the lifespan of the boiler.
What do history scholars believe caused the explosion of USS Maine in 1898?
Scholars believe it was a ships boiler that exploded.
Why tubes of a boiler are covered with a layer of asbestos?
to prevent loss of heat
Why salinometer valve fitted in boiler?
its a device use for measuring the salinity of boiler water. it is generally fitted in water drums .its is provided to prevent the flashing off of boiler water under high pressure condition.
What is the purpose of Inert Gas deck seal onboard crude oil tanker?
The 'Deck Seal' and 'Non-Return Valve' are automatic and manual devices to prevent backflow. Backflow of gas could result in CH gas from the cargo tanks reaching the boiler, leading to an explosion.
Why steel ball in boiler gauge glass?
Steel ball is used in boiler gauge glass to prevent overflow of water when ever gauge glass is broken..
What is the effect of chloride in boiler?
Chloride in a boiler can lead to corrosion and scale formation. Excessive chloride levels can accelerate the degradation of boiler components, reducing their lifespan and efficiency. It is important to monitor and control chloride levels to prevent damage to the boiler system.
How important is boiler cleaning and repair?
To comply with various laws, to ensure the boiler and its parts are operating at peak performance and therefore doing its job, to reduce dangers of emissions, explosion. To maintain low running costs and to meet the requirements of warranties
If oil is mixed with boiler feed water?
If oil is mixed with boiler feed water, it can cause scaling and fouling in the boiler system, leading to reduced efficiency and potentially damaging the boiler components. It is important to prevent oil contamination of boiler feed water through proper filtration and maintenance of equipment to ensure the smooth operation of the boiler system.
