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    • 6. 发明专利
    • Heat transfer pipe for recovering heat of cokes lifting pipe
    • 用于回收提升管热量的传热管
    • JPS5918394A
    • 1984-01-30
    • JP12824782
    • 1982-07-22
    • Nippon Rutsubo KkNippon Steel Corp
    • OOTSUKI YUUZOUTAKAMORI OSAMUTSUTSUI NAOKIKAWAGUCHI TAKEMIKAWAMURA KAZUOKOIKE ISAMU
    • F28F21/04C10B27/06
    • C10B27/06
    • PURPOSE:To improve the coefficient of thermal conductivity of a heat transfer pipe by a method wherein a heat transfer pipe is formed of silicon carbide utilizing lining as aggregate and carbon powder, metallic silicon powder as bonding agent. CONSTITUTION:A cokes oven gas 1 is introduced from a carbonizing chamber 2 to a header pipe 4 through a cokes lifting pipe 3 while heating medium circulates in a heat transfer pipe 7 arranged halfway up the pipe 3 and a heat exchanger 8 externally provided by means of a circulating pump 5 and a circulating pipe 6. The heat transfer pipe 7 is made of a heat transfer jacket 10 circulating the heat transfer medium 9 and a lining material 12 connected to the inner wall of the jacket 10 through the intermediary of silicon carbide mortar 11. The lining material made of silicon carbide, carbon powder and metallic silicon powder may realize high coefficient of thermal conductivity.
    • 目的:为了提高传热管的导热系数,其中传热管是利用碳化硅作为骨料和碳粉,利用金属硅粉作粘结剂。 构成:焦炭炉气体1通过焦炭提升管3从碳化室2引导到总管4,同时加热介质在配置在管3上方的传热管7中循环,并且外部设置有热交换器8 循环泵5和循环管6.传热管7由循环传热介质9的传热套管10和通过中间碳化硅连接到外壳10的内壁的衬里材料12制成 砂浆11.由碳化硅,碳粉和金属硅粉制成的衬里材料可实现高导热系数。
    • 8. 发明专利
    • FORMING METHOD FOR LINING OF MOLTEN METAL SPOUT
    • JPS54158309A
    • 1979-12-14
    • JP6819278
    • 1978-06-06
    • NIPPON STEEL CORP
    • OOTSUKI YUUZOUOOSAKI TAMOTSUCHIBA KENJI
    • B22D41/02B22D35/00C21B7/14F27D1/16
    • PURPOSE:To form rapidly lining excellent in wear resistance and corrosion resistance, by, in lining molten metal spout with irregular refractory, forming the lining through vibration together with vacuum dehydration. CONSTITUTION:To an inside-frame-supported steel plate 2 having an incorporated vibrator 1 is fastened a vacuum-dehydrating plate 3 on the furface on both side and bottom. The steel plate 2 is set at a predetermined lining position in a spout, then slurry of irregular refractory 4 is filled between the steel plate 2 and outside steel shell 5. Immediately after the filling of the refractory 4, it is vibrated by the operation of the vibrator 1. Continuation of the vibration for about five min. causes water contained in the slurry to be separated and extrudued to the surface, being gathered near the surface of the steel palte 2. At that time, the vibrator is stopped, and a vacuum pump 6 is operated so as to suck the water through the vacuum dehydrating plate 3. Then the steel plate 2 is removed, and the refractory is baked to form refractory lining excellent in wear resistance and corrosion resistance in a short period of time.