METHOD FOR INSTALLATION OF GEOTHERMAL HEAT EXCHANGERS FOR EXTRACTION OF LOW-POTENTIAL HEAT Russian patent published in 2023 - IPC F24T10/00 E02F5/20 E21B7/26 

FIELD: heat engineering.

SUBSTANCE: invention relates to methods for extraction and use of geothermal heat. A method for installation of geothermal heat exchangers for extraction of low-potential heat includes mounting to the ground of a stopper ring, in which a ground piercing unit is fixed, this ring is used as a support structure during ground piercing, and after completion of works – as a caisson chamber of a geothermal collector. For immersion of a probe into the ground, a ground piercing technology is used with a working rod used as a casing pipe and with a starting rod, a head of which remains in the ground, when reaching a set well depth. The piercing rod being in the well is used as the casing pipe, the prepared geothermal probe is lowered in it, after which a working column is extracted, sequentially disassembling, while the probe remains in the ground. Tamping of the well is not used. The piercing unit is not moved from one place to another, but rotated on a vertical axis inside the ring for the following piercing direction.

EFFECT: use of a ground piercing method for mounting of geothermal probes, which causes departure from previously implemented methods for installation of geothermal probes, using drilling and forced to use all tools used in a drilling technology.

2 cl, 2 dwg