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WO2018119545A1 - Dispositif d'utilisation d'une source basse température atmosphérique - Google Patents

Dispositif d'utilisation d'une source basse température atmosphérique Download PDF

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Publication number
WO2018119545A1
WO2018119545A1 PCT/CN2016/000719 CN2016000719W WO2018119545A1 WO 2018119545 A1 WO2018119545 A1 WO 2018119545A1 CN 2016000719 W CN2016000719 W CN 2016000719W WO 2018119545 A1 WO2018119545 A1 WO 2018119545A1
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WO
WIPO (PCT)
Prior art keywords
heat exchanger
altitude
adiabatic
airflow
low
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2016/000719
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English (en)
Chinese (zh)
Inventor
甄永赞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
North China Electric Power University
Original Assignee
North China Electric Power University
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 North China Electric Power University filed Critical North China Electric Power University
Priority to PCT/CN2016/000719 priority Critical patent/WO2018119545A1/fr
Publication of WO2018119545A1 publication Critical patent/WO2018119545A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/04—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using pressure differences or thermal differences occurring in nature
    • F03G7/05—Ocean thermal energy conversion, i.e. OTEC
    • 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
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

Definitions

  • the invention belongs to the technical field of power generation, and particularly relates to a device for utilizing an atmospheric low temperature source.
  • the air is heated up to generate a gas stream that can be used to propel the turbine to generate electricity.
  • Solar chimney power generation is one of the simple structures that adapts to lower heat source temperatures. However, the efficiency is low, and the air contains a small amount of particulate pollutants, which reduces the life of the turbine and limits the flow rate of the airflow.
  • the present invention proposes an apparatus for utilizing an atmospheric low temperature source, including a high heat exchanger and a low heat exchanger, and a descending airflow connecting the high heat exchanger and the low heat exchanger together.
  • Adiabatic duct and updraft adiabatic duct the ambient temperature of the lower heat exchanger is higher than the ambient temperature of the high heat exchanger, and the gas in the lower heat exchanger rises along the rising air duct to the high heat exchanger
  • the post-cooling descends along the downdraft adiabatic conduit to the lower heat exchanger, forming a circulating flow stream and propelling the turbine to generate electricity;
  • the unit mass of the gas in the device is insulated in the ascending airflow adiabatic duct.
  • the temperature value dropped after rising the unit height is lower than the temperature value of the unit mass air outside the rising airflow adiabatic duct at the same altitude after the adiabatic rise unit height; thus, energy can be obtained from the environment to push the turbine to work;
  • the temperature difference between the environment where the low heat exchanger is located and the environment where the heat exchanger is located is higher than the altitude of both
  • the difference in atmospheric convection temperature corresponds to the difference
  • the temperature of the unit mass of gas in the device is increased by the adiabatic rise unit temperature in the ascending airflow adiabatic duct, and the temperature per unit mass of the air outside the rising airflow adiabatic duct at the same altitude is The temperature value dropped after the adiabatic rises the unit height; thus, when the internal gas is air, the amount of heat generated per unit of heat can be increased;
  • the installation position of the high heat exchanger is higher than the sea level
  • the atmospheric temperature of the lower heat exchanger corresponding to the altitude is T 0 -0.0065h, wherein T 0 is Sea level atmospheric temperature, in degrees Celsius, h is the altitude value, in meters, where h is a negative value.
  • the elevation of the high heat exchanger is lower than the corresponding top of the atmospheric troposphere at its location.
  • a portion of the lower end of the downdraft adiabatic conduit is lower than the lower heat exchanger.
  • the descending airflow adiabatic duct and the updraft adiabatic duct, and the high-end heat exchanger adopts a balloon filled with any one of hydrogen gas or helium gas or two gas compositions as a filling to realize lift-off and high-altitude fixing.
  • the airflow can be generated without additional power source; the lower end of the downdraft adiabatic duct is lower than the low heat exchanger, which is beneficial to control the direction of the airflow; the low heat exchanger can also be used as the low temperature source.
  • the present invention can increase the amount of heat generation per unit of heat with respect to the circulating medium being air.
  • Figure 1 is a schematic view of a circulating gas flow generating device of the present invention.
  • the apparatus includes a high heat exchanger and a low heat exchanger, and a downflow adiabatic duct and an updraft adiabatic duct connecting the high heat exchanger and the low heat exchanger, low Heat exchange
  • the ambient temperature of the device is higher than the ambient temperature of the heat exchanger at the high point.
  • the gas in the lower heat exchanger rises along the rising airflow adiabatic pipe to the high heat exchanger and then cools down to the lower part along the descending airflow adiabatic conduit.
  • a heat exchanger that forms a circulating flow of gas and drives the turbine to generate electricity;
  • the gas in the device is hydrogen.
  • the air pressure in the lower heat exchanger is the same as the ambient air pressure.
  • the low heat exchanger is located at the tropical sea.
  • the high heat exchanger is located in the atmosphere at 1500 meters above the lower heat exchanger. This absorbs heat from the seawater and creates a circulating airflow that pushes the turbine to do work.
  • the apparatus includes a high heat exchanger and a low heat exchanger, and a downflow adiabatic duct and an updraft adiabatic duct connecting the high heat exchanger and the low heat exchanger, low
  • the ambient temperature of the heat exchanger is higher than the ambient temperature of the high heat exchanger, and the gas in the lower heat exchanger rises along the rising airflow adiabatic conduit to the high heat exchanger and then cools down along the descending airflow adiabatic conduit.
  • a circulating flow of air is formed and the turbine is driven to generate electricity.
  • the gas in the device is helium
  • the helium gas pressure in the lower heat exchanger is the same as the ambient pressure before the circulating gas flow is formed.
  • the low heat exchanger is located in a solar greenhouse on the ground with a temperature of 200 degrees Celsius.
  • the ambient temperature is 18 degrees Celsius.
  • the high heat exchanger is located in the air 100 meters above the heat exchanger. The amount of heat generated per unit of heat can be increased by using air as the circulating medium.

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

Abstract

L'invention concerne un dispositif d'utilisation d'une source basse température atmosphérique, appartenant au domaine technique de la production d'énergie. Le dispositif comprend un échangeur de chaleur à haute altitude, un échangeur de chaleur à basse altitude et un conduit adiabatique de flux d'air descendant et un conduit adiabatique de flux d'air ascendant reliant ensemble l'échangeur de chaleur à haute altitude et l'échangeur de chaleur à basse altitude. La température ambiante de l'échangeur de chaleur à basse altitude est supérieure à celle de l'échangeur de chaleur à haute altitude, et un gaz dans l'échangeur de chaleur à basse altitude est refroidi après son ascension vers l'échangeur de chaleur à haute altitude le long du conduit adiabatique de flux d'air ascendant, puis descend vers l'échangeur de chaleur à basse altitude le long du conduit adiabatique de flux d'air descendant, formant ainsi un flux d'air à écoulement circulaire pour entraîner une turbine afin de produire de l'énergie. Lorsqu'une différence de température ambiante entre l'échangeur de chaleur à basse altitude et l'échangeur de chaleur à haute altitude n'est pas supérieure à une différence de température de convection atmosphérique correspondant à une différence d'altitude entre celles-ci, alors une valeur de chute de température par unité de masse de gaz dans le dispositif lorsque l'unité de masse de gaz monte de manière adiabatique par unité de hauteur dans le conduit adiabatique de flux d'air ascendant est inférieure à une valeur de chute de température de l'unité de masse d'air lorsque l'unité de masse d'air monte de manière adiabatique par unité de hauteur à l'extérieur du conduit adiabatique de flux d'air ascendant à la même altitude.
PCT/CN2016/000719 2016-12-29 2016-12-29 Dispositif d'utilisation d'une source basse température atmosphérique Ceased WO2018119545A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/000719 WO2018119545A1 (fr) 2016-12-29 2016-12-29 Dispositif d'utilisation d'une source basse température atmosphérique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2016/000719 WO2018119545A1 (fr) 2016-12-29 2016-12-29 Dispositif d'utilisation d'une source basse température atmosphérique

Publications (1)

Publication Number Publication Date
WO2018119545A1 true WO2018119545A1 (fr) 2018-07-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/000719 Ceased WO2018119545A1 (fr) 2016-12-29 2016-12-29 Dispositif d'utilisation d'une source basse température atmosphérique

Country Status (1)

Country Link
WO (1) WO2018119545A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101415940A (zh) * 2006-03-31 2009-04-22 克劳斯·沃尔特 用于能量转换的方法、装置和系统
CN201461285U (zh) * 2009-07-17 2010-05-12 甄志宾 温差发电装置
CN102102550A (zh) * 2010-02-09 2011-06-22 淄博绿能化工有限公司 一种新型温差发动机装置
CN102758751A (zh) * 2012-06-05 2012-10-31 张世民 温差发电系统
CN103758717A (zh) * 2013-10-25 2014-04-30 姚彦林 一种温差发电方法和系统
CN104314782A (zh) * 2014-07-29 2015-01-28 王娟 一种南北极地区海水大气温差热能动力装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101415940A (zh) * 2006-03-31 2009-04-22 克劳斯·沃尔特 用于能量转换的方法、装置和系统
CN201461285U (zh) * 2009-07-17 2010-05-12 甄志宾 温差发电装置
CN102102550A (zh) * 2010-02-09 2011-06-22 淄博绿能化工有限公司 一种新型温差发动机装置
CN102758751A (zh) * 2012-06-05 2012-10-31 张世民 温差发电系统
CN103758717A (zh) * 2013-10-25 2014-04-30 姚彦林 一种温差发电方法和系统
CN104314782A (zh) * 2014-07-29 2015-01-28 王娟 一种南北极地区海水大气温差热能动力装置

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