公开(公告)号：US3910050A

公开(公告)日：1975-10-07

申请号：US48742974

申请日：1974-07-10

Applicant: SPERRY RAND CORP

Inventor： MATTHEWS HUGH B ,  NICHOLS KENNETH E

IPC: F03G4/04 ,  F03G4/06 ,  F03G7/04 ,  F04D13/04 ,  F03G7/00 ,  F01K23/00

CPC classification number: F04D13/04 ,  Y02E10/10

Abstract: A geothermal energy transfer and utilization system abstracts thermal energy stored in hot solute-bearing well water to generate super-heated steam from an injected flow of clean water; the super-heated system is then used for operating a turbinedriven pump at the well bottom for pumping the hot solute-bearing water at high pressure and in liquid state to the earth''s surface, where transfer of its heat content to a closed-loop boiler-turbine-alternator combination is effected for the generation of electrical or other power. Cooled, clean water is regenerated by the surface-located system for re-injection into the deep well and the residual, concentrated solute-bearing water is pumped back into the earth. Reliable operation of the system is assured by a control of the clean water entering the subterranean steam generator determines the rate of mass flow through the pump-driving steam turbine and consequently determines the proper pressure of the hot pumped well water. Thus by control of the output pressure of the clean water pump at the earth''s surface, the pumped hot well water pressure is accurately determined. The novel arrangement also permits controlled starting and stopping of the deep well pumping apparatus, permitting the bearings thereof to be adequately lubricated at all times.

Abstract translation: 地热能转移和利用系统提取储存在热含水井水中的热能，从注入的清水流中产生超热蒸汽; 然后将超加热系统用于在井底操作涡轮驱动泵，以将处于高压和液态的热溶质负载水泵送到地球表面，其中热含量转移到闭环 锅炉 - 涡轮机 - 交流发电机组合是为了产生电力或其它动力而进行的。 冷却的清洁水由位于表面的系统再生，用于再次注入深井，剩余的浓缩的含有溶质的水被泵送回地球。 通过控制进入地下蒸汽发生器的清洁水来确定系统的可靠运行，确定通过泵驱动汽轮机的质量流量，从而确定热泵井水的适当压力。 因此，通过控制地表表面清洁水泵的输出压力，可以准确地确定泵送的热井水压力。 新颖的布置还允许深井泵送装置的受控启动和停止，从而允许其轴承始终充分润滑。

公开(公告)号：US3908381A

公开(公告)日：1975-09-30

申请号：US52553474

申请日：1974-11-20

Applicant: SPERRY RAND CORP

Inventor： BARBER ROBERT E ,  NICHOLS KENNETH E ,  PRIGMORE DARYL R

IPC: F01K3/26 ,  F01K25/08 ,  F03G4/00 ,  F03G4/02 ,  F03G4/04 ,  F03G4/06 ,  F03G7/04 ,  F03G7/00

CPC classification number: F01K25/08 ,  F01K3/267 ,  Y02E10/10

Abstract: A geothermal energy transfer and energy utilization system makes use of thermal energy stored in hot solute-bearing well water to generate super-heated steam from an injected flow of clean water; the super-heated steam is then used for operating a turbinedriven pump at the well bottom for pumping the hot solute-bearing water or brine at high pressure and always in liquid state to the earth''s surface, where it is used by transfer of its heat to a closed-loop heat exchanger-turbine-alternator combination for the generation of electrical power. The steam exhausted from the deep well pump-driving turbine is also returned to the earth''s surface, where its residual energy is efficiently extracted in the surface power generating system and where it is then converted into cooled water for return to the deep well pumping system. Residual concentrated solute-bearing water is normally pumped back into the earth.

公开(公告)号：US3905196A

公开(公告)日：1975-09-16

申请号：US48833374

申请日：1974-07-15

Applicant: SPERRY RAND CORP

Inventor： GOVINDARAJAN RANGACHARI ,  LOBACH JAMES L ,  NICHOLS KENNETH E

IPC: F01K3/18 ,  F03G4/04 ,  F03G4/06 ,  F03G7/04 ,  F03G7/00 ,  F01K23/00

CPC classification number: F01K3/18 ,  Y02E10/10

Abstract: A geothermal energy transfer and utilization system makes use of thermal energy stored in hot solute-bearing well water to generate super-heated steam from an injected flow of clean water; the super-heated steam is then used for operation of a turbinedriven pump at the well bottom for pumping the hot solute-bearing water at high pressure and in liquid state to the earth''s surface. There, it is used by transfer of its heat content to a closed-loop boiler-turbine-alternator combination for the generation of electrical or other power. Cooled, clean water is regenerated by the surface-located system for re-injection into the deep well and the residual concentrated solute-bearing water is pumped back into the earth. Significant axial thrust is developed in the support bearing system of the steam turbine driven hot water pump because of the considerable pressure head rise generated by the hot water pump, the axial thrust being proportional to the hot water pump discharge pressure. According to the invention, a balancing thrust is developed that is also proportional to pump discharge pressure, so that the net thrust is minimized over a range of speed and hot water flow conditions.

Abstract translation: 地热能转移利用系统利用储存在热溶质井水中的热能，从注入的清水流中产生超热蒸汽; 然后将超热蒸汽用于在井底处的涡轮驱动泵的操作，以将处于高压和液态的热溶质负载水泵送到地球表面。 在那里，通过将其热含量转移到用于产生电力或其他动力的闭环锅炉 - 涡轮机 - 交流发电机组合来使用。 冷却的清洁水由位于表面的系统再生，用于再次注入深井，剩余的浓缩的含有溶质的水被泵送回地球。 由于热水泵产生的相当大的压力头上升，轴向推力与热水泵排出压力成正比，在汽轮机驱动热水泵的支承轴承系统中产生显着的轴向推力。 根据本发明，开发了一个平衡推力，该平衡推力也与泵排出压力成比例，使得在一定范围的速度和热水流动条件下，净推力被最小化。