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山东省乐陵市能源开发公司研制和生产的FH 系列高效多用炉(见封底照片),具有造型美观,结构独特,高效多能、四季适用等特点,被国家专利局批准为专利产品(专利号87201672),并于1987年10月在山东省科学院通过产品鉴定。该系列产品在山东、北京、天津等地供不应求,深受广大用户的欢迎。一、产品性能好、寿命长。该产品高效的技术关键在于燃料能够充分燃烧;炉内换热装置设计独特,换热面大,多级换热,热量能被充分吸收,且能保证炉膛温度,排烟温度低;
The FH series of high-efficiency multi-purpose furnace developed and produced by Leling Energy Development Co., Ltd. of Shandong Province (see photo on the back cover) has the characteristics of attractive appearance, unique structure, high efficiency and multi-energy, and applicable for all seasons. It has been approved by the State Patent Office as a patented product (Patent No. 87201672), and passed product appraisal in Shandong Academy of Sciences in October 1987. This series of products are in short supply in Shandong, Beijing, Tianjin and other places and are well received by users. First, the product has good performance and long service life. The key to this product’s high-efficiency technology is that the fuel can be fully burned; the design of the heat exchange device in the furnace is unique, the heat exchange surface is large, multi-stage heat exchange, heat can be fully absorbed, and the furnace temperature can be guaranteed, and the temperature of the exhaust gas can be low;