Vacuum pipe evacuator and evacuating method thereof

Vacuum pipe evacuator and evacuating method thereof

  • CN 105,649,952 A
  • Filed: 03/23/2016
  • Published: 06/08/2016
  • Est. Priority Date: 03/23/2016
  • Status: Active Application
First Claim
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1. a vacuum pipe evacuator device, it is characterised in that:

  • it comprises circulation heating supply air system, high vacuum finds time unit, pumped vacuum systems, nitrogen replace loop and closed loop evacuation system connecting pipeline, Described circulation heating supply air system comprises electric heater, centrifugal Middle pressure draught fan, heating collecting tubule and stopping valve, and described heating collecting tubule side is connected with by-pass valve;

    Described high vacuum unit of finding time comprises vacuum pump set, pipeline vacuum valve and pipeline vacuum gauge;

    Described pumped vacuum systems comprise find time along separate routes vacuum valve, collecting tubule of finding time, find time pipeline vacuum valve and collecting tubule of finding time is regulated;

    Described nitrogen displacement loop comprises nitrogen displacement vacuum valve and nitrogengas cylinder;

    Described closed loop evacuation system connecting pipeline comprises find time pipeline and valve of finding time;

    Find time unit and nitrogen of described high vacuum is replaced loop and is connected with pumped vacuum systems respectively;

    Described pumped vacuum systems is connected by closed loop evacuation system connecting pipeline mouth of finding time with vacuum pipe;

    In vacuum pipe, pipe is connected with circulation heating supply air system near the side of mouth of finding time.

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