Abstract: A geothermal system including a multitube vertically-sealed underground heat-exchanger includes: a geothermal well formed by vertically excavating a foundation; a heat pump which is arranged in the foundation, and which includes a circulating pump; and a connection tube, an auxiliary facility, and a multitube vertically-sealed underground heat-exchanger which are buried and installed in the geothermal well, and which are connected to the heat pump such that a thermal fluid thermally restored in the geothermal well is supplied to the heat pump through the circulating pump, and the thermal fluid that has undergone heat exchange in the heat pump is recovered back to the geothermal well and thermally restored therein.
Type:
Application
Filed:
April 16, 2021
Publication date:
December 15, 2022
Applicant:
G&G TECHNOLOGY CO., LTD.
Inventors:
Heuy Nam CHO, Hyeon Ho CHANG, Sung Ouk CHOI, Young Hwa KIM, Jo Bum AN
Abstract: A geothermal system includes: at least two geothermal holes (1) formed in the ground; a return water circulation tube (10) for returning underground water of the geothermal holes; a water collection and supply well (20) for collecting and then supplying the underground water returned by the return water circulation tube; at least one heat pump (30) for generating heat for cooling and heating, by using, as a heat source, the heat of the underground water supplied by the water collection and supply well; and a supply tube (40) which is an underground water supply means for supplying, to the geothermal holes, the underground water that supplied heat to the heat pump.
Type:
Application
Filed:
November 28, 2019
Publication date:
January 20, 2022
Applicant:
G&G TECHNOLOGY CO., LTD.
Inventors:
Heuy Nam CHO, Hyeon Ho CHANG, Sung Ouk CHOI, Sang Gin PARK
Abstract: Disclosed is a shielding apparatus for high-depth groundwater well pollution prevention grouting comprising: a shielding portion which is provided on the outer circumferential surface of a grouting casing installed in an excavation hole in the ground and compressed to be in close contact with a hollow wall of the excavation hole; a compression portion which is provided on the outer circumferential surface of the grouting casing and formed to descend toward the shielding portion and brings the shielding portion into close contact with the hollow wall of the excavation hole to guide the excavation hole to be sealed; and a pressure equalization injection tube portion which is connected with the compression portion on the outer circumferential surface of the grouting casing and lowers the compression portion by water pressure generated by supplying water from the outside through a water supply tube.
Type:
Grant
Filed:
December 17, 2018
Date of Patent:
January 19, 2021
Assignee:
G&G Technology Co., Ltd.
Inventors:
Sung Ouk Choi, Sang Gin Park, Heuy Nam Cho
Abstract: Disclosed is a shielding apparatus for high-depth groundwater well pollution prevention grouting comprising: a shielding portion which is provided on the outer circumferential surface of a grouting casing installed in an excavation hole in the ground and compressed to be in close contact with a hollow wall of the excavation hole; a compression portion which is provided on the outer circumferential surface of the grouting casing and formed to descend toward the shielding portion and brings the shielding portion into close contact with the hollow wall of the excavation hole to guide the excavation hole to be sealed; and a pressure equalization injection tube portion which is connected with the compression portion on the outer circumferential surface of the grouting casing and lowers the compression portion by water pressure generated by supplying water from the outside through a water supply tube.
Type:
Application
Filed:
December 17, 2018
Publication date:
May 28, 2020
Applicant:
G&G Technology Co., Ltd.
Inventors:
Sung Ouk CHOI, Sang Gin PARK, Heuy Nam CHO