Device for monitoring foam volume, flow pattern, and pressure drop in foam drainage gas recovery

A device for monitoring foam volume, flow pattern, and pressure drop in foam drainage gas recovery, wherein the device is configured to monitor the foam volume under different pipe diameters and materials, and observe the flow pattern and resistance characteristics under the foam volume;

• wherein the device comprises:
• a foam storage tank (13), a screw pump (14), valves, a gas tank (15), a silicon photocell board (1), a test pipe section (2), fixed pipes (20), reduction nipples (6), telescopic hoses (5), a color tracer injector (23), a differential pressure transmitter (4), an infrared light source (9), a camera (8), a base (11), rotating shafts (10), a waste liquid bucket (18), and a computer terminal and data acquisition system (22);
• wherein the fixed pipes (20), the reduction nipples (6), the telescopic hoses (5), and the test pipe section (2) form a replaceable pipe section, and the foam storage tank (13) and the gas tank (15) are both located on a side of the replaceable pipe section;
• the foam storage tank (13) is connected to the screw pump (14) and a valve C (19) of the valves, and the gas tank (15) is connected to a valve A (16) of the valves;
• the valve A (16) and the valve C (19) converge at a left end of the replaceable pipe section;
• a right end of the replaceable pipe section is connected to a valve B (17) of the valves, and the valve B ultimately is connected to the waste liquid bucket (18);
• wherein the silicon photocell board (1), the differential pressure transmitter (4), the infrared light source (9), and the camera (8) are connected to the computer terminal and data acquisition system (22);
• wherein an infrared laser assembly (3) comprises the infrared light source (9) and the camera (8), and the infrared light source (9) and the camera (8) are disposed on the base (11) with a same horizontal line;
• wherein there are two rotating shafts (10), the two rotating shafts (10) are disposed between the base (11) and the infrared light source (9), the two rotating shafts (10) are configured to connect the base (11) to the infrared light source (9) and the camera (8), and an elliptical plate (21) is configured to control the infrared light source (9) and the camera (8) to move up and down by pulling itself;
• wherein PN junction (12) on the silicon photovoltaic board (1) and the infrared light source (9) are at equal heights, distributed on both sides of the replaceable pipe section, and are at equal heights with the test pipe section (2);
• when infrared light is irradiated to the PN junctions (12), an electromotive force is generated at two ends of each PN junction (12), and a certain current and a certain voltage are output between electrodes;
• wherein the replaceable pipe section is divided into four parts, a center part is the test pipe section (2) and the infrared light source (9), the camera (8) and the differential pressure transmitter are configured to test the pipe section, the reduction nipples (6) directly screwed to the test pipe section (2) is configured to replace the test pipe section (2), and the reduction nipples (6) are composed of different sizes of nuts (7) connected by threading, with threads on both an inside and an outside of each nut (7);
• outsides of the reduction nipples (6) are connected to the telescopic hoses (5);
• the telescopic hoses (5) are capable of being stretched in and out, and are configured to make it more convenient to replace the test pipe section (2), and the telescopic hoses (5) are connected outward to the fixed pipes (20);
• and
• wherein the color tracer injector (23) is disposed at an initial end of the test pipe section (2), and is configured to determine an average flow velocity of foam.