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Fire safety points of gas infrared radiation heating system in buildings with large space

time：2023-05-15
hits：1062次
source：正弘奧能

Conventional heating in our country buildings is based on the coal (gas) boiler and electricity as the heat source, heat is transferred to the room radiator through pipelines or circuits, mainly through the room air convection form.However, in recent years along with the development of our country's economic construction, some non-residential tall space buildings with span big, lost characteristics of high space continuously emerge, because doors and Windows area is big, heat insulation performance is poor, so to the outdoor heat dissipation is great, heating effect is not ideal and waste energy, so the heating heat load per unit area is very large.In order to solve the problem of high energy consumption and poor effect of heating in large space buildings, gas infrared radiation heating system is widely used in large space buildings in some foreign countries at present. Its excellent characteristics of environmental protection and convenient installation are favored in large space building heating.


	 


	Working principle of gas infrared radiation heating system 


	 


	The gas infrared radiation heating system is designed and manufactured according to the principle of heating the earth surface by the sun. The wavelength of the radiation wave supplied by the sun to the earth is mainly between 2-10μm.In this wavelength range radiation waves directly transfer heat energy to the radiated object without heating the conducting medium (air).The wavelength of thermal energy radiation generated by gas infrared radiation heating system is in the range of 2-12 μs, so the direct heating object of the system is not the air in the heating space, but the heating object - the staff, equipment and tools in the space.


	 


	With natural gas, liquefied petroleum gas or gas as the heat source, after burning by the outdoor heating generator, the air in the heating generator, with the help of the centrifugal fan or vacuum pump, will be heated hot fluid to the radiation tube, heating the radiation tube to a certain temperature, radiation tube generates far infrared ray, directly transfer heat to the heating object.Thus better solve the heating problem of tall space buildings.


	 


	Fire safety points of gas infrared radiation heating system 


	 


	Gas infrared radiation heating system has the advantages of high efficiency, energy saving, comfortable environment protection and easy installation.But due to the use of gas, so in the use of gas infrared radiation heating system, should pay attention to the following matters:


	 


	(1) Gas infrared radiation heating system is strictly prohibited to be installed in the basement and places with inflammable and explosive gas, dust and other media.


	 


	(2) Buildings using gas infrared radiation heating system should be set up gas concentration detection alarm, gas concentration detection alarm should be linked with exhaust fan and other exhaust equipment.


	 


	(3) Buildings adopting gas infrared radiation heating system should be equipped with gas emergency automatic cut-off valve, which should be located outdoors and on the gas inlet pipe, main pipe or main pipe in the gas use place.


	 


	Gas infrared radiation heating technology has successfully solved the problem of unreasonable temperature distribution in large space buildings, which can save more than 30% of energy compared with convective heating. It is very suitable for tall space, open space and other places with large heat loss.


	 


	<img src="/Uploads/image/20230515/20230515142106_15451.jpg" alt="" /> 


	 


	The gas infrared radiation equipment, promoted and sold by Beijing Leadway Power&nbsp;Co., LTD., has a separate heater installed on the outside of the building.At the same time, according to the Code for Fire Prevention of Building Design, the fire risk category of "using gas, liquid and solid as fuel or burning gas and liquid for other purposes" belongs to Class D.And the heat energy generator is set outside the building, the system performance is very stable, so the use of gas radiation heating will not increase the risk and design difficulty of the building.

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Fire safety points of gas infrared radiation heating system in buildings with large space