Controllable dry ice storing device for preventing left coal in worked out section from spontaneously combusting

Controllable dry ice storing device for preventing left coal in worked out section from spontaneously combusting

  • CN 102,322,283 A
  • Filed: 06/23/2011
  • Published: 01/18/2012
  • Est. Priority Date: 06/23/2011
  • Status: Active Application
First Claim
Patent Images

1. a controlled dry ice storage device that prevents the goaf to lose coal spontaneous combustion is characterized in that said device comprises:

  • dry ice storage box, pressure sensitive system, temperature acquisition system, master control system and EM induction system;

    Said pressure sensitive system installs with the dry ice storage device and is connected, detects the interior pressure of dry ice storage device automatically;

    Said temperature acquisition system is gathered ambient temperature, is connected with master control system;

    Said EM induction system is connected with master control system, and the switching of control dry ice storage box.

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