Liquified natural gas (LNG) storage tank gas supply performance experiment device and method

Abstract

The present invention relates to an LNG storage tank gas supply performance experiment device. The LNG storage tank gas supply performance experiment device comprises a gas supply device, a simulation control device and a data detection device, the gas supply device comprises a liquid-storage tank, a gasifier and a buffer tank, and the simulation control device comprises an engine simulator, a gas tank controller, an engine communication simulator, a water temperature simulator and an experiment table. The engine simulator is connected with the output port of the buffer tank via a gas pipeline, the data detection device comprises a gas thermometer, a gas pressure gauge and a gas flow meter, and the gas thermometer, the gas pressure gauge and the gas flow meter are all arranged on the gas pipeline of a gas supply loop. The experiment device of the present invention can detect the performance of the liquid-storage tank accurately, at the same time, enables the experiment cost to be reduced, the experiment safety to be improved and the experiment cycle to be shortened by adopting an inert gas to substitute for a liquified natural gas. The present invention also provides an experiment method the gas supply performance test.

Description

technical field [0001] The invention relates to an experimental device for the gas supply performance of a vehicle-mounted LNG storage tank capable of simulating actual engine working conditions, and also relates to an experimental method for detecting the gas supply performance of the LNG storage tank. Background technique [0002] Liquefied natural gas is a clean energy recognized in the world today. It has high calorific value, sufficient combustion, low price, good transportation economy and safety, and is very popular among users. LNG-fueled LNG vehicles have been put into operation. LNG on-board gas cylinders, as a key part of the on-board fuel system of liquefied natural gas vehicles, have also received widespread attention. Some research institutions, enterprises, and universities have increased their research and development efforts. LNG vehicles have achieved great success in China and the world, and China has become the country with the largest number of LNG veh...

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Problems solved by technology

[0005] The purpose of the present invention is to overcome the problems of severe waste, long test period, potential safety hazards and air pollution during the performance test of the vehicle-mounted liquid storage tank of liquefied natural gas vehicles. Air pollution, safe LNG liquid storage tank gas supply performance detection device, the invention also discloses the detection method of LNG liquid storage tank gas supply performance

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