Why did Factories have tall chimneys?
Long chimneys take the harmful smoke and gases produced in the factories high up in the air so as to reduce its harmful effects on the ground.
What is the purpose of the chimney?
The primary function of the chimney is to direct the smoke away from the stove and out of the house. However, this is not the only function of the stove, as it must also: Ensure that enough air is drawn into the stove for the fire to burn clean.
What do you understand by the term chimney efficiency?
Efficiency of Chimney It may be Defined as the ratio of the energy required to produce the artificial draught (expressed in meters head or J/Kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to the natural draught.
How do you determine the height of a chimney?
Stack Height Calculation Stack height is calculated using following formula H = 14 (Q) 0. 3 H is height of Chimney Q = Quantity of fuel (kg/hr) x sulphur content (%) x 2 100 The sulphur content in the bagasse is negligible (around 0.1 %) as compared to Indian coal (maximum considered of 0.5%).
Can chimney be too tall?
Chimney Height Rules A chimney that’s too tall can result in the heated air cooling off by the time it reaches the top of the chimney stack. This can create a negative pressure inside of the smokestack that pushes smoke and other gases back into the home.
What happens when a chimney is too short?
The main issue with chimney height has to do with draft. If the chimney is not tall enough, your fireplace will suffer from inadequate draft and not function properly or safely. A chimney that is too short cannot vent correctly and can become a serious fire hazard to your home.
Can a chimney be lower than roof?
While there is no specific or standardized height for chimneys, the height your chimney needs to be will be dependent on the height of your house, roof, and surrounding buildings or trees. Likewise, chimneys must also be at least 2 feet higher than any dormers, roofs, or trees within 10 feet of the chimney.
How far does chimney have to be from roof?
3-2-10 Rule Explained Explained, the chimney pipe must be a minimum of three feet above the roof but also two feet taller than anything within ten feet. The portion of the rule stating the pipe needs to be 2 feet above anything within 10 feet is where most people get confused.
Why does my fireplace fill my house with smoke?
A cold flue or cold air in the chimney is also a common cause for fireplace smoke in the home. When the air inside your flue is too cold, it forces smoke back down into your home because colder air is more dense. Doing this will warm up the flue and make way for smoke.