DEVICE FOR RECOVERING LIQUEFIED PETROLEUM GAS AND LIQUEFIED NATURAL GAS FROM A FUEL TANK OF A WASTE VEHICLE COMPLETELY, AND PURIFYING AND RECHARGING RECYCLED FUEL

摘要

PURPOSE: A recovering, purifying and recharging device of high purity LPG(liquefied petroleum gas) or LNG(liquefied natural gas) is provided to prevent air pollution and the accident such as explosion or fire from discharge of residual fuel, and to reduce working hours by recovering, purifying and recharging fuel from the fuel tank of the waste vehicle. CONSTITUTION: A waste fuel recovering, purifying and recharging system for recovering, purifying and recharging liquefied petroleum gas and liquefied natural gas from the fuel tank of the waste vehicle is composed of a pressure vent(8), an LPG/LNG liquefying and recovering inlet, a low temperature gas liquefier, an expansion valve, an H-discharge port(30), a drier, a liquid pump(43), an LPG high purity purifier, a chip and metal separator, a water, dust and impurity separator, a load cell, a scale plate, an LPG high purity purifier body(70), and automatic and manual controllers.