发明名称 |
PROCESS AND APPARATUS FOR IMPROVING THE DEGREE OF GRAPHITIZATION OF CARBON BLACK, AND ITS USES |
摘要 |
<p>The invention relates to a process for improving the degree of graphitization of carbon black produced by subjecting hydrocarbons which are liquid or gaseous under normal conditions to a thermal conversion reaction in the presence of oxygen or an oxygen-containing gas and steam, if desired, at temperatures of 1200 to 2000.degree. C and pressures of 1 to 80 bars. To this end, the carbon black is conveyed downwardly in a quasi-fluid state, within 1 to 5 hours through a sojourn zone in upright position, the sojourn zone being maintained at a temperature of at least 1200.degree. C. The invention also relates to an apparatus for carrying out this process, the apparatus comprising a graphite tube; a steel container concentrically surrounding the graphite tube; a feed pipe penetrating into the interior of the graphite tube; a water-cooled discharge means; and a nitrogen feed inlet arranged below the lower end of the graphite tube; the space left between the graphite tube and steel container being occupied by insulating material.</p> |
申请公布号 |
CA1139921(A) |
申请公布日期 |
1983.01.25 |
申请号 |
CA19790337447 |
申请日期 |
1979.10.12 |
申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
DORN, FRIEDRICH-WILHELM;WOLTER, MANFRED;HEYMER, GERO |
分类号 |
C09C1/00;C09C1/56;F27B9/06;(IPC1-7):C01B31/04;09C1/56 |
主分类号 |
C09C1/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|