By karriven thomas. fire pits design. Published at Saturday, November 11th, 2017 - 07:12:30 AM.
A fire pit is the most basic, but also the most attractive, type of garden heater and it can be built very simply with a limited amount of DIY skill. What is a fire pit? In its simplest form, a fire pit is nothing more than a hole in the ground into which wood or coal can be placed and ignited. Most fire pits are however more involved than this and their design takes account of aesthetics and a more permanent structure. Generally some form of seating or benching, along with a hard landscaped area, are also part of most fire pit projects.
OXYGEN: Although there are other chemicals that can combine with fuels to produce heat, oxygen is the most common. The need for oxygen to sustain a fire in all fire pits is shown by the fact that fuels heated in a vacuum will not burn. Sorry there will be no outdoor fire pits in space! CHEMICAL REACTION: There are certain conditions under which fuels will not produce a flame, even though fuel, heat and oxygen are present. For example, if the percentage of natural gas in air is not between about 4 percent and 15 percent, no flame will be produced; your fire pit will not go!
Choosing the right spot for your fire pit and safety concerns. Safety should be your main concern when figuring out where to locate your fire pit. Your local code may have specific criteria so make sure you are fully aware of the details. Generally speaking they must be placed in an area away from overhanging trees, bushes or any other combustible materials, structures, buildings or walls. Debris that can easily catch fire or organic material such as leaves, pine needles, dry grass needs to be cleared from an area at least 10 feet from the fire pit. Both permanent or portable fire pits should only be placed on top of fire-resistant surfaces. A layer of gravel or paved area surrounding the fire pit will also help prevent the fire from accidentally spreading.
By placing the fire pit away from the flow of traffic and raising the fire pit from the ground you will make it hard for anyone to accidentally walk or fall in. Choose a location for the fire pit that will reduce as much as possible the effect of smoke on neighbouring properties, or even you own or that matter. If this an issue then go with a gas burning fire pit as they do not emit smoke. If children are a factor, incorporate a barrier such as a low wall surrounding the pit that will ensure they are kept a safe distance from the flames. Some portable fire pits are designed with a protective glass or Pyrex shield. This also helps limit the wind’s affect on the flames.
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