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Winter temperatures are low, how should the traps freeze?

放大word体  缩小word体 Release date:2018-12-13  来源:China Hydraulic parts net  作者:China Hydraulic parts net  Views:24
Core Tip:Selecting and installing a suitable trap will not cause freezing problems as long as steam passes. However, if the steam is broken, the steam condensate forms a vacuum in the heat exchanger or the associated pipe, which prevents the condensate from being
      Selecting and installing a suitable trap will not cause freezing problems as long as steam passes. However, if the steam is broken, the steam condensate forms a vacuum in the heat exchanger or the associated pipe, which prevents the condensate from being freely discharged from the system before freezing occurs. So at this time, install a vacuum breaker between the discharge equipment and the trap.

      If gravity is not used from the trap to the return pipe, the trap and drain line should be drained manually or using a drain with antifreeze measures. Also, when multiple traps are installed together in the trap station, keeping the trap warm can prevent freezing.

      The antifreeze measures for traps are:

      1. Do not select the size of the trap too large.

      2. Keep the trap discharge line as short as possible.

      3. Tilt the trap discharge line downward to speed up the gravity discharge.

      4. The steam trap discharge line and the condensate return line are insulated.

      5. When the condensate return line is exposed to atmospheric conditions, the heat pipe should be considered.

      6. If the return pipe rises, the vertical discharge pipe should be adjacent to the discharge pipe at the upper part of the return header, and the discharge pipe and the trap discharge pipe are kept together.

      Note: A length of horizontal discharge pipe can cause problems. Ice will form at the far end of the tube, preventing the trap from working, and the steam will no longer enter the trap. The water in the valve will freeze.

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