Be provided with freezer ammonia refrigeration equipment of improved type jettison gear

The utility model provides a be provided with freezer ammonia refrigeration equipment of improved type jettison gear, includes high -pressure ammonia storage tank, choke valve, low -pressure circulation barrel, liquid ammonia pump, evaporimeter, compressor, condenser, jettison gear, low -pressure circulation barrel's bottom still is equipped with the oil drain port, the jettison gear includes oilremoval tank, oil removal tank installs in the below of low -pressure circulation barrel's oil drain port oil removal tank's rampart still is equipped with the back blow port, the utility model discloses the oil removal tank who sets up can shift out low -pressure circulation barrel with the oil after the layering fast, causes liquid nitrogen pump to go up the problem of liquid difficulty after having avoided oily entering liquid ammonia pump, when the condition that the jam appears in oil extraction difficulty or oil drain port appearing, utilize and force the oil extraction with the export of liquid ammonia pump and