US 12,188,913 B1
In-situ observation device for gas hydrates
Huiyong Liang, Pizhou (CN); Xin Lv, Beijing (CN); Shi Shen, Liaoyang (CN); Lei Yang, Dalian (CN); Xingyu Lu, Qingxu (CN); Linan Zhao, Beipiao (CN); and Shuangqing Zhang, Hefei (CN)
Assigned to Ningbo Institute of Dalian University of Technology, Ningbo (CN)
Filed by Ningbo Institute of Dalian University of Technology, Ningbo (CN)
Filed on Aug. 16, 2024, as Appl. No. 18/806,721.
Claims priority of application No. 202311390098.1 (CN), filed on Oct. 25, 2023.
Int. Cl. G01N 33/00 (2006.01)
CPC G01N 33/0011 (2013.01) 7 Claims
OG exemplary drawing
 
1. An in-situ observation device for gas hydrates, comprising:
a reactor; wherein the reactor comprises a visual tube, a pulling rod, a temperature-controlled seed crystal rod and a spiral adjuster; an upper end and a lower end of the visual tube are respectively equipped with an upper end cap and a lower end cap, and the upper end cap and the lower end cap are connected to the pulling rod; the upper end cap defines an air inlet, and the lower end cap defines a liquid inlet; an upper end of the temperature-controlled seed crystal rod is connected to an adjusting flange through an adjusting rod; the adjusting flange is connected to the spiral adjuster, and the adjusting flange is connected to the pulling rod; a lower end of the temperature-controlled seed crystal rod hermetically passes through the upper end cap and is located in the visual tube; the temperature-controlled seed crystal rod defines a cooling liquid channel, and a cooling liquid inlet and a cooling liquid outlet which are connected to the cooling liquid channel; and the temperature-controlled seed crystal rod defines a seed crystal rod liquid inlet and a seed crystal rod outlet;
wherein the in-situ observation device for gas hydrates further comprises: a transparent water bath, a first circulating water bath, a gas injection pump, a liquid injection pump, a vacuum pump, a gas cylinder, a camera, a computer, and a second circulating water bath; the reactor is disposed in the transparent water bath; the first circulating water bath is connected to the transparent water bath individually through a first circulation water pipe and a second circulation water pipe; the vacuum pump is connected to the air inlet through a first pipeline, and the gas cylinder is connected to the air inlet through a second pipeline; the gas injection pump is located on the second pipeline, and the liquid injection pump is connected to the liquid inlet through a third pipeline; the second circulating water bath is connected to the cooling liquid inlet and the cooling liquid outlet through a third circulation water pipe and a fourth circulation water pipe; and the camera is located on a side of the transparent water bath, and a signal output terminal of the camera is connected to a signal input terminal of the computer;
wherein the in-situ observation device for gas hydrates further comprises: a pressure sensor located on the second pipeline, and a signal output terminal of the pressure sensor is connected to the signal input terminal of the computer; and
wherein the in-situ observation device for gas hydrates further comprises: a temperature sensor; a sensing terminal of the temperature sensor is located in the transparent water bath, and a signal output terminal of the temperature sensor is connected to the signal input terminal of the computer.