DEVICE FOR THAWING OF FROZEN SOIL (VERSIONS) Russian patent published in 2010 - IPC E02F5/30 

FIELD: construction.

SUBSTANCE: device for thawing of frozen soil or heating of soil section comprises a reservoir for storage of heating medium, intended for circulation in sleeve unfolded for soil heating, boiler with burner for heating of heating medium, besides boiler is connected to reservoir for storage of heating medium, fuel tank, containing fuel for burner in boiler, connected to burner in boiler, pump for provision of heating medium circulation, sleeve, through which heating medium circulates, arranged on soil to be heated. Pump is installed between sleeve and reservoir for storage of heating medium and provides for circulation of heating medium in sleeve. In the first version of device reservoir for storage of heating medium, boiler with burner, fuel tank and pump are fixed on common frame structure. Sleeve consists of two or more sections of sleeve, which in idle condition are wound onto according number of coil sections, besides each section of sleeve may be selectively connected to pump through ramified pipeline connected between pump and each section of sleeve. According to the second version - reservoir for storage of heating medium, boiler with burner, fuel tank and pump are fixed on common frame structure, at the same time volume of heating medium in wound sleeve exceeds volume of heating medium in reservoir for storage of heating medium.

EFFECT: improvement of devices for thawing of frozen soil.

22 cl, 4 dwg