Patent ID: 7082779
Filing Date: 2006-08-01
Classification: F24F,F24T,Y02B,Y02E

Abstract:
1. A geothermal accumulator, characterized in that it includes a well pipe and a heat-accumulating pipe inserted within the well pipe coaxially, the lower portion and the upper portion of the well pipe are provided with inlet holes and the outlet holes for underground water respectively, said heat-accumulating pipe is provided with a water-collecting chamber, a diffluent chamber, a heat-exchanging chamber and a water-accumulating chamber from the bottom up in sequence, a submergible pump is provided in the water-collecting chamber and is communicated with lower portion of the diffluent chamber by pipelines, the heat-exchanging chamber is provided with a plurality of axially disposed heat-exchanging pipes communicating with the diffluent chamber and the water-accumulating chamber respectively, and a plurality of baffles attached to the outside of the heat-exchanging pipes, the peripheries of the baffles are fixed to the inside wall of the heat-accumulating pipe, gap exists between the baffles and the heat-exchanging pipes, the upper portion of the heat-exchanging chamber is connected with a returning pipe, and the lower portion is connected with a discharging pipe, water inlet holes and drain holes are provided respectively in the side wall of the water-collecting chamber and the water-accumulating chamber, an isolating ring is provided between the well pipe and the heat-accumulating pipe and is located at the conjunction of the water-collecting chamber and the heat-exchanging chamber.