[특허]Geothermal mineral extraction system

[미국특허] Geothermal mineral extraction system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C02B-001/04
출원번호	US-0855358 (1977-11-28)
발명자 / 주소	Meckler Milton (16348 Tupper St. Sepulveda CA 91343)
인용정보	피인용 횟수 : 22 인용 특허 : 3

초록 ▼

Minerals are recovered from warm geothermal brines by installing a brine eductor device such as a venturi at the end of a thermally insulated drill casing. The geothermal brine is recovered by flowing a warm, low saline carrier solution at high flow rate through the device to pick up a selected flow of brine. On entering the device the geothermal brine is diluted in an amount sufficient to preclude precipitation and scaling as the mixture flows to the surface. The flow velocity is adequate to entrain any non-dissolved solids without settlement. Thermal losses to the surrounding strata are minimized by the thermal insulation surrounding the casing. The mineral values are recovered from the mixture by flashing, evaporation, and filtration. Clarified solution, filter liquor and make-up water as necessary are combined to form the low salinity carrier solution which is heated in heat exchangers before recycling to the eductor device. The heat exchange fluid may be heated by solar concentrators assisted by fossil fuel, geothermal and/or solar buffer stages.

대표청구항 ▼

A system for recovering geothermal brines comprising in combination: a geothermal well having a first end adjacent the surface and a second end disposed within a wet geothermal aquifer containing hot saline geothermal brine; brine eductor means disposed at said second end comprising a venturi having a first inlet receiving a high velocity flow of dilute saline carrier solution, a nozzle inlet into which a flow of said geothermal brine is educted, mixing means receiving said flow of solution and flow of geothermal brine from said inlets to form a recovery mixture having a saline content lower than that of said brine and an outlet communicating the mixture with the interior of said well; first conduit means within said well for delivering said high velocity flow of solution to said first inlet; and second means within said well for delivering said mixture from said outlet to the surface. A method of recovering geothermal brine from a geothermal aquifer comprising the steps of: establishing a high velocity flow of a carrier solution having a lower salt concentration than the brine from the surface into a geothermal well having a lower end disposed within the aquifer; flowing the solution through the well through a venturi having a nozzle communicating with the aquifer so that brine is educted from the aquifer into the solution to form a recovery mixture; and delivering the mixture through the well to the surface.

이 특허에 인용된 특허 (3) 인용/피인용 타임라인 분석

Redford David Arthur (Fort Saskatchewan CA), Hydraulic mining technique for recovering bitumen from tar sand deposit.
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Fleck Raymond N. (West Covina CA) Hennig Harvey (Fullerton CA), Method of producing mechanical energy from geothermal brine.
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Carson Don B. (Mount Prospect IL), Power generation and potable water recovery from salinous water.
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이 특허를 인용한 특허 (22) 인용/피인용 타임라인 분석

Pilebro, Hans; Eg Andersson, Hakan, Arrangement for storing thermal energy.
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Pilebro, Hans, Energy storage arrangement having tunnels configured as an inner helix and as an outer helix.
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Kwak, Hee Youl; Yoon, Eung Sang; Joo, Moon Chang; Joo, Hong Jin; Lee, Kyoung Ho, Evaporative desalination device of multi stage and multi effect using solar heat.
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McCabe Barkman C. (Los Angeles CA) Zajac Edward (Hollywood CA), Geothermal salinity control system.
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Tracy Lawrence M., Heat storage vessels for use with heat pumps and solar panels.
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Nakamura, Masahiro; Goto, Saburo; Nozawa, Takeyoshi; Ishida, Kozo, Methane hydrate dissociation accelerating and methane gas deriving system.
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St. Germain, Girard Charles; Barnett, Richard N., Method and apparatus for desalinating water combined with power generation.
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Hoshino, Yuji; Endou, Hajime; Suda, Kazuyoshi, Method and apparatus for mobilizing geothermal fluid.
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Mandigo, Gregory J.; Bjorklund, Daniel P., Method and apparatus for recycling water.
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Pilebro, Hans; Strand, Tobias, Method for operating an arrangement for storing thermal energy.
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Kelly Melvin E., Method of mining a soluble mineral.
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Gruschow Norbert,DEX ; Walkhoff Frank Klaus Horst,DEX ; Ulrich Wolfgang,DEX, Process and system for the solution mining of evaporites and preparation of saline solutions.
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Minnich, Keith R; Neu, Dorothy, Process for recovering heavy oil using multiple effect evaporation.
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Kondo, Tad Jason; Clark, Gillian; Vandal, Bryan Armand, Salt cavern washing with desalination and recycling of water.
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Meksvanh,Sovani; Whelan,Ronald P.; Swift,Douglas B., Solar augmented geothermal energy.
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Liu Philip J. (Germantown WI), Solar desalting plant.
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Liu Philip J. (Germantown WI), Solar desalting process.
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Nitschke George S., System for using geopressured-geothermal reservoirs.
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Booth, Donald W., Systems and method for low temperature recovery of fractionated water.
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Pilebro, Hans; Strand, Tobias; Vestin, Rasmus, Thermal energy storage system comprising a combined heating and cooling machine and a method for using the thermal energy storage system.
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Pilebro, Hans, Thermal energy storage with an expansion space.
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Harrison, Stephen; Burba, John, Treated geothermal brine compositions with reduced concentrations of silica, iron and lithium.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Geothermal mineral extraction system 원문보기