Infrared heaters


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infrared heaters

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Infrared heaters

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  2. 2. Infrared heater reviewsInfrared heaters become more popular since it heats fast, energy- efficient, safer, and also it is green. Even have certain specifications and should be used only in certain situations, Nowadays infrared heaters have used in large-scale on industrial, hospital, and household.Basically, an infrared heater is almost the same as conventional heating. Infrared heaters are different, which uses infrared radiation principles[1].Unlike conventional heating systems that warm spaces primarily through convection heating, radiant heating systems directly heat occupants or objects. However, to get comfort heating, there must be reasonably even accumulated values of heat throughout the comfort zone.The unique characteristic of this energy is not absorbed by air, and doesn’t heat until hitting the object and absorbed by solid object, and this energy can be controlled and directed specifically to objects by optically designed reflectors. This infrared energy travel at the speed of light and convert to heat up on contact with an opaque object (people, the floor, a building).
  3. 3. Advantages of Infrared Heaters Heat object without heating air : Infrared heaters heat at the object level directly and concentrated where it is really needed without heat air. Different with conduction and convection, radiant method only heats the object when hitting the object and absorbed by object. Zone Control Flexibility: Because infrared energy doesn’t absorb by air and only heat object when hitting the object, therefore, we can divide any area where we want to heat and maintain a different comfort level in each area. Staging : The staging feature allows only a portion of the equipments total capacity to be used. These systems allow a more consistent and uniform means of maintaining a specific comfort level and avoid the “peak and valley” syndrome. Reduced operating cost : Since infrared energy doest absorbed by air and only absorbed by abject, there is no energy loss. This mean you don’t need to cost for loss energy absorbed by air. Infrared heater technology can save up to 50% operational cost compare with conventional heaters. However actual saving cost will vary depending on factors such us insulation, ceiling high and type of construction.
  4. 4.  Instant heat : Since there is no need to wait for heat buildup, infrared heaters produces virtually instant heat. You just need to turn on the heaters prior to heating requirements. Negligible maintenance : Infrared heaters are easy maintenance. There are no moving parts or motors to wear out; no filters or lubrication required. Clean : An electric infrared heater is the cleanest method of heating. Electric infrared heater adds nothing to the air nor takes anything from it. Safe : UL listed, No open flame, No moving parts to malfunction, No fuel lines to leak, No toxic byproducts of combustion. Efficient : All infrared heaters convert energy to heat at 100% efficiency.
  5. 5. Types of Infrared Heaters Metal-sheathed tubular heaters : Tubular heaters generate infrared heat in the 2.5 – 3 μm range of the electromagnetic spectrum. The practical maximum temperature is 900˚F with a maximum sheath temperature of 1500˚F (Incoloy sheath). They’re commonly mounted into aluminum housings with polished reflectors. ( Gas fired catalytic : No chimney or flue is required so all the heat generated goes to warming the room. Burley’s flueless gas fires and stoves burn extremely cleanly due to their advanced technology. Any remaining waste gases pass through a catalytic converter to form carbon dioxide (which is harmless at these levels and is present in fresh air.) Ceramic emitters : Ceramic infrared heating elements are efficient, robust heaters which provide long wave infrared radiation. They are used in a diverse range of industrial processes such as thermoforming, paint curing, printing and drying. They are also used very effectively in infrared outdoor heaters and infrared saunas. ( elements)
  6. 6.  Quartz tubes : A quartz tube furnace is an electric heating device extensively used in material research. For example, ceramic research, wafer sintering and annealing and powder baking. The lengths of the quartz tubes are different. For experiments in laboratories the size of tube is from 1″ to 13″. The temperature is controlled via a feedback from a thermocouple. The temperature controllers often allow the operator to program the heating, dwelling and cooling rates. ( Quartz lamps : A mercury-vapor lamp that is enclosed in a quartz container instead of a glass container mercury- vapor lamp – ultraviolet lamp that emits a strong bluish light (rich in ultraviolet radiation) as electric current passes through mercury vapor. ( Flat-faced panels
  7. 7. Reference Electric Infrared Heating Manual, Fostoria Industries, Inc. High Performance Technology Strategy Templates, 2010