摘要：结合橡胶厂炭黑气力输送系统的使用情况,对输送管道、空气流量控制元件、供料装置、分离过滤设备等主要部件进行优选;对安全阀、减压阀、空气过滤器和Laval管喉径选择进行计算;对输送安全性控制要求和特殊品种炭黑如牌号为N772、N774的炭黑输送管道的选择进行阐述。结果表明,通过对气力输送系统主要设备的优选,可有效减小能耗,减少输送过程中出现的炭黑粒子破坏严重以及管道残余、阻塞、泄漏问题,确保输送系统可靠、平稳运行。

关键词：炭黑；气力输送；流量控制；输送管道；除尘设备

Abstract： Based on the application of carbon black pneumatic conveying in rubber factory, the optimization of major parts such as the pipeline device, airflow-control unit, feeding device, and separation-filtration equipment etc. were conducted. The safety valve, pressure regulator, air filter and Laval nozzle were chosen and calculated. The conveying safety, conveying pipe materials for special carbon black, such as N772, N774 were specified. The results show that by optimizing main items of pneumatic conveying system, a low energy consumption can be gotten and the phenomenon of high pellet breaking, residual carbon black in pipe after conveying, break up of carbon black and leaking can be improved, which insure running reliability and smoothness of the carbon black conveying system. 

Keywords: carbon black; pneumatic conveying; flow control; pipeline device; dust removal equipment