Prizing liquefied compressed natural gas filling device for automobile

A skid-mounted automobile LNG filling device belongs to the automobile LNG filling technical field and is mainly comprised of a LNG storage tank, a LNG high pressure pump, a LNG high pressure vaporizer, a compressed natural gas surging tank, a compressed natural gas sale machine, a control system and a safety system in connection, and all are arranged on a skid; the LNG storage tank is a double-level-metal vacuum insulated container; an internal tank is provided with a safety valve and an external tank is provided with a blowout preventer; an upper liquid filled port and a lower liquid filled port are arranged on the storage tank, which is provided with a pressure gauge and a liquidometer; the pressure is automatically controlled by a pressure amplifier of the storage tank and a booster control valve, and the pressure amplifier is an atmosphere-heated vaporizer; the LNG high pressure pump is a low temperature plunger pump, and the LNG high pressure vaporizer is an atmosphere-heated vaporizer; the gauge wind in the control system is the normal temperature gaseous natural gas heated in the LNG storage tank; compared with the similar domestic products, the utility model has the advantages of simple process flow, compact structure, small occupation of land, small engineering work load, short construction period and low investment and so on.