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System and method for transporting and handling phosphorous pentasulfide

  • US 5,248,227 A
  • Filed: 01/31/1992
  • Issued: 09/28/1993
  • Est. Priority Date: 01/31/1992
  • Status: Expired due to Fees
First Claim
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1. A system for transporting granular material comprisinga hopper for containing the granular material, said hopper having a bottom outlet opening;

  • a material discharge port through which the granular material is unloaded from said hopper;

    an outtake having a vertical leg connected to said bottom outlet opening and a horizontal leg into which the granular material drops from said hopper through said bottom outlet opening and said vertical leg;

    a material conveying line connecting a downstream end of said horizontal leg of said outtake to said material discharge port;

    a conveying gas supply line connected to said material conveying line upstream of said horizontal leg of said outtake for feeding a main flow stream of a conveying gas into said material conveying line for flow across said downstream end of said horizontal leg of said outtake, whereby the granular material moving from said outtake into said material conveying line can become entrained in and conveyed by the main flow stream through said conveying line to said material discharge port; and

    a feeder gas supply line connected to an upstream end of said horizontal leg of said outtake for feeding a stream of feeder gas into said horizontal leg for moving the granular material from said vertical leg into said material conveying line.

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