Material high-precision weighing method and nucleon balance made by said method

Material high-precision weighing method and nucleon balance made by said method

CN
  • CN 1,112,572 C
  • Filed: 08/10/1999
  • Issued: 06/25/2003
  • Est. Priority Date: 08/10/1999
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of high-precision measuring method of material, institute is surveyed material to be placed on the conveying device, above described conveying device, be provided with gamma ray radiator, below described conveying device, gamma ray detector is set, on the described conveying device speed measuring device is installed, described gamma ray detector links to each other with the computer data processing system that has data input device and data output device with speed measuring device;

  • Described gamma ray detector output voltage U when at first basis has material iAnd described gamma ray detector output voltage U during no material 0, calculate material load F=KLn (U i/ U 0);

    The transporting velocity V that next utilizes described speed measuring device to measure calculates the flow P=FV of described material;

    The cumulative amount that calculates the convey materials of described conveying device in a period of time at last is Wh=&

    Sigma;

    i=1n
    FiVi
    It is characterized in that;

    described formula F=KLn (U i/ U 0) in values of factor K, be stream according to described material Quantitative changeization, on described conveying device residing diverse location, pile up shape and gamma ray scattering etc.The influence of factor is dynamically revised.

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