High-pressure experimental device and method for researching phase equilibrium of methane hydrate

• Main Authors: LI YINGYING, WEI JIANGHONG, BAO YOUSHU, TIAN MIN, FU AIBING, YU GUANGHUA, WANG MIN, MIAO CHUNXIN, SU GUOYING, WANG JIHONG, ZHANG SHOUPENG, LI YAN, NI ZIGAO, FANG LI, GUAN LI, ZHANG LI
• Format: Patent
• Language: Chinese; English
• Published: 16.02.2018
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention discloses a high-pressure experimental device and method for researching the phase equilibrium of a methane hydrate. The experimental device comprises a methane-hydrate reaction kettle,a constant-temperature oil bath device, a methane gas source and a gas meter, wherein the methane-hydrate reaction kettle is placed into the constant-temperature oil bath device; the methane-hydrate reaction kettle is connected with a precision pressure gauge, a gas inlet pipeline and a gas outlet pipeline respectively through a cross joint; the gas inlet pipeline is provided with the methane gassource; the gas outlet pipeline is provided with the gas meter. The gas inlet pipeline is also provided with a methanol booster pump, a gas inlet valve and an emptying valve; the gas outlet pipeline is also provided with a gas intake valve. The high-pressure experimental device can be used for accurately controlling temperature and pressure conditions in wider pressure and temperature ranges, is used for realizing the form