Method and system for generating through underground temperature difference
A technology of thermoelectric power generation and thermoelectric power generation module, which is applied in the directions of generators/motors, electrical components, etc., can solve problems such as low mud temperature, and achieve the effect of reducing the impact
Inactive Publication Date: 2010-12-08
张鹏
4 Cites 13 Cited by
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A method and a system for generating through underground temperature difference are the method and system for generating by utilizing the underground temperature condition in the drilling process according to Seebeck effect. The system comprises a drilling pipe with a thermal-protective coating, a drill collar and a temperature difference generating device which comprises a heat transmitting part, a radiating part and a temperature difference generating module. The method comprises the steps of: adding a layer of heat insulation materials in the inner wall of the drilling pipe and the drill collar as the thermal-protective coating, adding a layer of compression-resist anti-corrosion materials on the inner wall of the thermal-protective coating as the inner wall layer so as to form the drilling pipe with a thermal-protective coating and the drill collar, transmitting heat of the outer wall to the heating end of the temperature difference generating module through the heat transmitting part, contacting the radiating part with the mud flowed into the drill collar so as to ensure a lower temperature at the cooling end of the temperature difference generating module, transforming the temperature difference into a potential difference through the temperature difference generating module, and supplying to underground measuring devices like a wireless drilling clinometer after switching through a voltage-stabilizing constant-current circuit or storing and backing up the electric power in a storage battery for the underground measuring device, so as to prolong the continuous working time of the underground measuring devices like a wireless drilling clinometer.
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