Method of processing remained concrete in concrete pump

Method of processing remained concrete in concrete pump

  • CN 1,100,210 C
  • Filed: 07/20/1993
  • Issued: 01/29/2003
  • Est. Priority Date: 07/21/1992
  • Status: Active Grant
First Claim
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1. the residual concrete processing method of a concrete pump, this concrete pump is a piston concrete pump, it is characterized in that:

  • after the concrete force feed finishes, when discharge remains in residual concrete in hopper and the concrete delivery pipe, allow concrete pump dally earlier, the air pressure that produce this moment is discharged the above-mentioned part residual concrete that remains in hopper and the concrete delivery pipe from the front end of concrete delivery pipe, then foam body is sent into the concrete delivery pipe in the concrete pump housing from hopper, water filling in hopper again, make the concrete pump running, this moment, the hydraulic pressure or the hydraulic pressure that are produced added air pressure pushing tow foam body, and residual concrete delivery pipe front end from the concrete is discharged.

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