New standard of "high temperature test method for fire smoke extraction fan

Ministry of Public Security Technology Supervision Committee in February 27th approved the release of GA211-2009, fire and smoke exhaust fan high temperature testing method of public safety industry standard, the standard is mandatory standards, alternative GA211-1999, in March 1, 2009, the implementation of the. Fire smoke exhaust fan is the key equipment of the fire control system. Since the last century, it has been used widely in our country. Ministry of public security in 1999 promulgated and implemented the GA211-1999 "fire and smoke exhaust fan high temperature test method" industry standards, after a long time of development, the new building fire protection standards promulgated, the original standard content can not meet the needs. According to the 2006 Ministry of public security industry standard system revision plan, the Ministry of public security Tianjin fire research institute undertook the standard revision task. In the standard revision process, the standard compilation group collected, consulted and analyzed a large number of literature data, combined with many years of experience and practical application of the test department of fire and smoke exhaust fan to carry out the test of high temperature test, the relevant experimental study, with reference to international standard ISO5801:2007 "industrial ventilation fan - standard duct performance test" and the British standard BSEN12101.3:2002 "smoke heat control system components: mechanical ventilation and smoke exhaust equipment technical requirements", the standard was revised. The main changes of the new standard are as follows: GA211-1999: 1) added terms and definitions; 2) for high temperature resistance test furnace opening size and depth measurements made clear; 3) the provisions of the furnace pressure are more specific, and the international standard approach; 4) increased the fire smoke exhaust fan axial flow, centrifugal) within the provisions of the wind tunnel for high temperature wind turbine aerodynamic performance measurement; 5) the installation of the wind turbine is more specific; 6) to increase the temperature and time requirements of the high temperature operation of the tunnel and smoke exhaust fan; 7) increase the exhaust fan fire (axial, centrifugal) method for measuring high temperature fan aerodynamic performance; 8) a modification of the criteria for determining. The revised standard provides a more scientific, advanced and reasonable technical basis for the production and testing of this kind of product. The test method is more suitable for China's national conditions, which is suitable for the development of the product.