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What happens to the flame when the air holes are closed?

If the holes are closed, the gas will only mix with ambient air at the point of combustion, that is, only after it has exited the tube at the top. This reduced mixing produces an incomplete reaction, producing a cooler but brighter yellow, which is often called the “safety flame” or “luminous flame”.

Is the flame of a Bunsen burner hottest when the air hole is closed or open?

A lighted Bunsen Burner with its air holes closed giving a yellow safety flame. You must never use the yellow safety flame to heat something. Before you can heat something you must open the air-holes by turning the metal collar. The more the air holes are open, the more fierce the Bunsen flame.

What is the purpose of the air vents on a Bunsen burner?

The Air Vents (3) control how much oxygen from the air is mixed with the methane. You adjust it by holding the Barrel (before it gets hot) and turning it either direction, to open or close the air vents.

What color is the flame when the air vents are closed?


What is the difference between a blue and orange flame?

Blue flames burn hotter than orange flames, with temperatures reaching up to 3,000 degrees Fahrenheit. They heat up more quickly and to higher temperatures than fires using other fuel sources, resulting in a blue flame.

What does a carbon monoxide flame look like?

They are designed to look like flames from a solid-fuel appliance, and so are meant to appear orange or yellow.) Another sign to look out for is the pilot light frequently blowing out. CO can also be found in the smoke coming from solid-fuel, wood or oil-burning appliances.

How do I know if my gas fire is leaking carbon monoxide?

Other possible clues of a carbon monoxide leak include:

  1. black, sooty marks on the front covers of gas fires.
  2. sooty or yellow/brown stains on or around boilers, stoves or fires.
  3. smoke building up in rooms because of a faulty flue.
  4. yellow instead of blue flames coming from gas appliances.
  5. pilot lights frequently blowing out.

Can I get carbon monoxide poisoning from my fireplace?

Yes, gas fireplaces are one potential cause of carbon monoxide poisoning. While there are many potential sources of such exposure, including certain appliances and devices, motor vehicles and wood stoves, gas fireplaces are a common culprit.

How can I tell if my fireplace is safe to use?

5 Easy Steps to Make Sure Your Fireplace Is Safe

  1. #1 Examine the Firebox. Look for any cracks, gaps, or signs of wear in the lining of the firebox (the interior of the fireplace).
  2. #2 Look for Telltale Smoke Stains.
  3. #3 Make Sure Your Grate Is the Right Size.
  4. #4 Check the Chimney.
  5. #5 Double-Check Your Fire Extinguisher.

How do you know if the flue is open or closed?

Visually Check A visual check is one of the surest ways of checking whether the damper is open or not. Simply stick your head in the fireplace and look up. If you have a throat damper, the closed damper immediately above your head will block your vision. You should be able to reach up and touch the closed damper.

How often should your chimney be cleaned?

once a year

What happens if you don’t sweep your chimney?

If you don’t clean your chimney regularly, soot will accumulate around the flue causing an inability to draw smoke upwards. The smoke will then be directed to your room leaving black soot on the walls, furniture, and carpeting. It causes permanent staining around the chimney in some cases.

How do you burn off creosote?

One method to loosen crusty or tarry creosote so it flakes off and falls down into the firebox or fireplace is to burn aluminum cans in a very hot fire. While this method works, it does not clean the chimney of creosote completely, and chimney brush cleaning is still necessary.

How do you know if you have creosote build up?

Signs of Creosote Build-Up

  1. Reduced drafting in fireplace.
  2. Less ash and more wood in fireplace after a fire.
  3. Black soot in and around fireplace.
  4. Very dark smoke from chimney.
  5. You can visibly see more than 1/8 of an inch of soot build-up.