WO2009065316A1 - Dispositif d'entraînement de vapeur géothermique de fond de trou et procédé de génération d'électricité et de pompage de liquide pour celui-ci - Google Patents

Dispositif d'entraînement de vapeur géothermique de fond de trou et procédé de génération d'électricité et de pompage de liquide pour celui-ci Download PDF

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Publication number
WO2009065316A1
WO2009065316A1 PCT/CN2008/072178 CN2008072178W WO2009065316A1 WO 2009065316 A1 WO2009065316 A1 WO 2009065316A1 CN 2008072178 W CN2008072178 W CN 2008072178W WO 2009065316 A1 WO2009065316 A1 WO 2009065316A1
Authority
WO
WIPO (PCT)
Prior art keywords
driving device
heat
steam
reversing valve
geothermal steam
Prior art date
Application number
PCT/CN2008/072178
Other languages
English (en)
Chinese (zh)
Inventor
Zhiyong Gong
Original Assignee
Zhiyong Gong
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhiyong Gong filed Critical Zhiyong Gong
Publication of WO2009065316A1 publication Critical patent/WO2009065316A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F24T10/10—Geothermal collectors with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
    • F24T10/00—Geothermal collectors
    • F24T10/40—Geothermal collectors operated without external energy sources, e.g. using thermosiphonic circulation or heat pipes
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/10—Geothermal energy

Definitions

  • a method of generating electricity or pumping a downhole geothermal steam drive is provided.
  • the radiator is installed in a low temperature underground.
  • the method for generating electricity by the above-mentioned underground geothermal steam driving device is applied to electric refining, electric cast iron, electrolytic hydrogen gas, and civil electricity.
  • Figure 4 is a schematic view showing the structure of a fourth embodiment of the present invention.
  • Figure 1 is a schematic view of the structure of the present invention
  • Figure 2 is a schematic view of the structure of the present invention
  • FIG. 1 and FIG. 2 Is a schematic structural view of the first embodiment of the present invention, as shown in FIG. 1 and FIG. 2
  • pneumatic cylinder 3 drive chamber 4
  • heat exchanger 5 well 6 in this embodiment
  • the liquid in the liquid is a volatile, low-boiling, non-corrosive liquid. In this embodiment, it is diethyl ether.
  • the thermal evaporator 1 and the automatic reversing valve 2 are connected through a steam communication pipe, and the automatic reversing valve 2 and the pneumatic cylinder 3
  • the cold liquid diethyl ether formed after the heat exchange is refluxed to the heat take-up evaporator 1 for the next cycle.
  • the heat exchanger 5 is connected to the radiator 3 through the drain pipe 10 and the return pipe 11, and the radiator 3 in this embodiment
  • the motor is powered, the motor drives the circulating drive pump 12 to work, and the heat sink is installed in the low temperature layer at 3 - 200 meters below the shallow surface.
  • the medium in the heat sink is water.
  • the power generation method of the underground geothermal steam driving device uses the medium-high temperature heat energy in the deep layer to heat up Evaporator 1
  • the low-boiling liquid medium such as diethyl ether, generates steam pressure, and the vapor pressure enters the pneumatic cylinder 3 through the automatic dynamic reversing valve 2, pushing the plug 18 to reciprocate in the cylinder, and the driving rod 17
  • the downhole geothermal steam driving device includes a heat taking evaporator 1, an automatic reversing valve 2, a pneumatic cylinder 3, a driving chamber 4, and a heat exchanger 5.
  • the well 6 in the embodiment is an oil well
  • the wellbore is made of a metal casing
  • the thermal evaporator 1 is installed at the bottom of the well 6,
  • the thermal evaporator 1 is connected with the automatic reversing valve 2,
  • the cylinder 3 is installed with an exhaust pipe 7, and the pneumatic cylinder 3 is a multi-stage pneumatic cylinder.
  • the driving rod 17 of the pneumatic cylinder 3 extends into the driving chamber 4.
  • the oil pump 16 is installed in the driving chamber 4, and the oil pump 16 is driven by the driving rod 17. Operation: A steam exhaust pipe 8 is installed between the automatic reversing valve 2 and the heat exchanger 5, and a condensing returning temperature vacuum pipe 9 is installed between the thermal evaporator 1 and the heat exchanger 5.
  • the heat exchanger 5 is connected to the radiator 3 through the drain pipe 10 and the return pipe 11.
  • the radiator 3 is a heat pipe, and the drain pipe 10
  • the liquid medium in the ether makes it generate steam pressure, and the steam pressure passes through the automatic reversing valve 2
  • the wellbore is prefabricated from cement, in the shape of a rectangular parallelepiped, taking the thermal evaporator 1
  • the thermal evaporator 1 is connected to the automatic reversing valve 2, and the automatic reversing valve 2 is installed between the pneumatic cylinder 3 and the exhaust pipe 7.
  • the pneumatic cylinder 3 is a single-stage pneumatic cylinder, and the pneumatic cylinder 3
  • the driving rod 17 extends into the driving cavity 4, and a pump is installed in the driving cavity 4, and the driving rod 17 is driven by the driving rod 17
  • the medium in the radiator tank is water.
  • the pump is further driven to pump water, and the gas ether discharged from the cylinder block is connected to the steam exhaust pipe 8 of the automatic reversing valve 2 to enter the heat exchanger 5
  • the well 6 is an oil and gas well
  • the wellbore is made of a metal casing
  • the thermal evaporator 1 is installed at the bottom of the well 6, and the thermal evaporator 1 and the automatic reversing valve 2 are taken.
  • the pneumatic cylinder 3 is a multi-stage pneumatic cylinder, and the driving rod of the pneumatic cylinder 3 extends into the driving cavity 4, and is installed in the driving cavity 4.
  • the rotary generator 19 is driven by the drive rod 17 through the liquid motor 20 to drive the rotary generator 19
  • the medium in the heat sink is water.
  • the other structure is the same as that of the first embodiment.
  • the well 6 of the present invention may also be pre-formed into a cylindrical shape from cement.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

L'invention concerne un dispositif d'entraînement de vapeur géothermique de fond de trou qui comprend un évaporateur (1), une soupape de commutation automatique (2), un vérin pneumatique (3), une chambre d'entraînement (4) et un échangeur de chaleur (5), l'évaporateur (1) étant placé au fond du puits (6) et étant relié à la soupape de commutation automatique (2), un tuyau d'entrée et de sortie (7) étant placé entre la soupape de commutation automatique (2) et le vérin pneumatique (3), une tige d'entraînement (17) du vérin pneumatique (3) s'étendant dans la chambre d'entraînement (4), un tuyau de décharge de vapeur (8) étant placé entre la soupape de commutation automatique (2) et l'échangeur de chaleur (5), un tuyau d'isolation de retour (9) étant placé entre l'évaporateur (1) et l'échangeur de chaleur (5). Ledit dispositif peut fonctionner sous la terre, son coût est faible et la puissance de sortie est importante.
PCT/CN2008/072178 2007-11-19 2008-08-27 Dispositif d'entraînement de vapeur géothermique de fond de trou et procédé de génération d'électricité et de pompage de liquide pour celui-ci WO2009065316A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200710144651.8 2007-11-19
CN2007101446518A CN101440784B (zh) 2007-11-19 2007-11-19 井下地热能蒸汽驱动装置及其发电或抽液方法

Publications (1)

Publication Number Publication Date
WO2009065316A1 true WO2009065316A1 (fr) 2009-05-28

Family

ID=40667122

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2008/072178 WO2009065316A1 (fr) 2007-11-19 2008-08-27 Dispositif d'entraînement de vapeur géothermique de fond de trou et procédé de génération d'électricité et de pompage de liquide pour celui-ci

Country Status (2)

Country Link
CN (1) CN101440784B (fr)
WO (1) WO2009065316A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106545322A (zh) * 2015-09-21 2017-03-29 中国石油天然气股份有限公司 Sagd井筒的挤液预处理方法
CN109210809A (zh) * 2018-10-19 2019-01-15 河北工程大学 提取利用地热能的装置

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101956679B (zh) * 2009-07-17 2014-04-09 龚智勇 地热能或太阳能温差发动机装置、其发电方法及应用
CN101892964B (zh) * 2010-07-30 2012-09-05 龚智勇 万米单深井重力真空辅助热管循环干热岩发电方法及装置
CN106322835A (zh) * 2016-10-22 2017-01-11 王作韬 一种在严寒地区利用浅层地热能供暖系统
CN110360070A (zh) * 2018-02-01 2019-10-22 西南石油大学 一种井下地热涡轮发电系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4930316A (en) * 1988-07-11 1990-06-05 Magma Power Company Geothermal plant noncondensable gas removal and heat recovery system and method
CN2361837Y (zh) * 1998-09-14 2000-02-02 武新民 利用低热能的节能蒸汽机
CN2379604Y (zh) * 1999-06-08 2000-05-24 武新民 利用低热能的节能蒸汽机
CN101078342A (zh) * 2007-06-08 2007-11-28 龚智勇 地热蒸汽驱动采油的方法及装置
CN201057036Y (zh) * 2007-06-21 2008-05-07 龚智勇 地热蒸汽驱动的采油装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4930316A (en) * 1988-07-11 1990-06-05 Magma Power Company Geothermal plant noncondensable gas removal and heat recovery system and method
CN2361837Y (zh) * 1998-09-14 2000-02-02 武新民 利用低热能的节能蒸汽机
CN2379604Y (zh) * 1999-06-08 2000-05-24 武新民 利用低热能的节能蒸汽机
CN101078342A (zh) * 2007-06-08 2007-11-28 龚智勇 地热蒸汽驱动采油的方法及装置
CN201057036Y (zh) * 2007-06-21 2008-05-07 龚智勇 地热蒸汽驱动的采油装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106545322A (zh) * 2015-09-21 2017-03-29 中国石油天然气股份有限公司 Sagd井筒的挤液预处理方法
CN109210809A (zh) * 2018-10-19 2019-01-15 河北工程大学 提取利用地热能的装置

Also Published As

Publication number Publication date
CN101440784B (zh) 2011-05-11
CN101440784A (zh) 2009-05-27

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