Air-conditioning pushing R290 TCL experience attention by the international community

the next generation of refrigerants in the face of global room air conditioner industry technical route, the room air conditioner industry in our country collective choose environmental protection low carbon hydrocarbon R290 substance, TCL air conditioning is R290 technology as one of the firm and positive practitioners. On April 10 - 11 by the environmental protection department of environmental protection of external cooperation center, China's household electrical appliances association, the United Nations industrial development organization, the United Nations environment programme (unep), Germany international cooperation agency, the UN development programme hosted R290 refrigerants of room air conditioner industry application design, manufacture and installation of the international conference, TCL air conditioning division of household r&d export performance development, vice minister zhang yong to the representatives from both at home and abroad to introduce the TCL R290 room air conditioner installed security research and practice. TCL air conditioner business export performance development domestic r&d center, vice minister zhang yong at present, the global room air conditioner industry is under the Montreal protocol framework accelerate elimination as refrigerant R22, and with an agreement to Kigali amendment aims to control HFCs material, HFC classes such as refrigerant R410A, R32 will be cut on a global scale. In this context, China's choice of room air conditioner industry hydrocarbon working medium R290 has attracted many attentions of the world. TCL is the R290 in technology research and development and application of one of the air conditioning enterprise. As early as 2008, TCL group of the construction of the joint venture with Italy DELONGHI group TCL delong household appliances ( Zhongshan) Co. , LTD. , was conducted for the export market of R290 mobile air-conditioning, dehumidifier related research work, products are exported to some European countries. In 2015, TCL became environmental protection department of environmental protection approved by the foreign cooperation 'domestic first batch of R290 low carbon environmental protection air conditioning' one of the six largest listed. In March 2016, TCL finish first R290 air-conditioning production line reconstruction and obtain its debut R290 fission air conditioner room 3 c certificate, June 18, the same year, held in guangdong zhongshan TCL domestic first batch of 600 sets of R290 splits caliber production line ceremony. By the end of 2016, TCL has accomplished 17 R290 air conditioning (domestic product development and get 3 c certificate. At the end of April 2017 TCL intelligent new product release, TCL is devoted to its lineup R290 air conditioning. At present, TCL air-conditioners R290 has become the guangdong industry &trade technician institute R290 room air conditioner installation and maintenance of special air conditioning with good operation training and teaching. Compared with refrigerant R22, r410a, R32, R290 in ozone friendly and low carbon environmental protection has obvious advantages, but its drawback is that with combustible, so R290 air-conditioning products are safe and become the main foreign country when using R290 technology concerns. 'According to zhang, TCL air conditioning to do a lot of research on the safety of R290 room air conditioner work and achieved fruitful results. Risk to the security of R290 air conditioning, TCL air conditioning's conclusion is that under the big filling quantity, air conditioner and explosion condition even leak was hard to meet, is completely safe, only under extreme ambient conditions, R290 air conditioning to fire hidden danger, but this problem can be solved by technical means. 'TCL air conditioning solution is to reduce outdoor filled volume of the system, to increase the opening of compressor chassis design R290 leakage area, air conditioner and the side panel to open the shutters to form the natural convection, increasing the R290 refrigerants to spread in the air, at the same time the ignition source partition; Indoor machine with flame retardant materials and isolate the ignition source. In addition, increase indoor concentrations of R290 sensor, adopt measures such as indoor and outdoor to take over the one-time installation also effectively reduce the security risks of R290 air conditioning. For R22 elimination phase, TCL air conditioning and the environmental protection department of environmental protection of foreign cooperation center line modification contract signed three R290 air conditioning, TCL 2 R290 air-conditioning production line will be completed in June this year.

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