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由于乙炔气的生产和应用存在能耗大、成本高、污染严重、安全系数低等种种弊端,国内外均在竞相研制开发新型工业燃气,掀起了乙炔气的换代风潮。近几年来,新型焊割气已成为媒体报道热点,《科技日报》、(经济日报》、(中国技术市场报》、(中国化工报》以及本刊等各大媒体,均作了推介性报道,但大型工业企业却反应平淡,在引进和应用这类新型工业燃气时持谨慎态度。原因是这类新型燃气虽然具有节能、廉价、安全、高效的特点,但在切割厚度大的金属时却存在困难,尤其是存在焊接困难或焊接不牢等缺点。就是国外开发的凯腾、氟莱玛克斯、霞普、特利等产品,由于价格偏高和焊接困难,也未能在国内得到普遍推广。因此具有“切割”和“焊接”两大实用功能的乙炔气仍是金属焊割工业的主导产品,目前尚无全面取代乙炔气的新型燃气。
As acetylene gas production and application of energy consumption, high cost, serious pollution, low safety factor and other drawbacks, both at home and abroad are competing to develop new industrial gas, set off a wave of acetylene gas replacement. In recent years, the new type of welding and cutting gas has become a hot topic in the media. Science and Technology Daily, Economic Daily, China National Technical Daily, China Chemical Industry Daily and other major media have made some special reports However, the large-scale industrial enterprises have reacted dullly and are cautious in introducing and applying such new industrial gas because the new gas has the characteristics of energy saving, low cost, safety and high efficiency. However, when cutting thick metal There are difficulties, especially the existence of welding or welding is not strong shortcomings is the development of overseas Kaiteng, Folai Makesi, Xia Pu, Terry and other products, due to high prices and welding difficulties, but also failed to get in the country Therefore, acetylene gas with two practical functions of “cutting” and “welding” is still the leading product in the metal welding and cutting industry. There is no new type of gas that completely replaces acetylene gas at present.