CN1207726C - Heat storage load normalizing power generation system and generation method for said system - Google Patents

Heat storage load normalizing power generation system and generation method for said system Download PDF

Info

Publication number
CN1207726C
CN1207726C CN 99111647 CN99111647A CN1207726C CN 1207726 C CN1207726 C CN 1207726C CN 99111647 CN99111647 CN 99111647 CN 99111647 A CN99111647 A CN 99111647A CN 1207726 C CN1207726 C CN 1207726C
Authority
CN
China
Prior art keywords
heat
mentioned
ice
generating set
air
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.)
Expired - Fee Related
Application number
CN 99111647
Other languages
Chinese (zh)
Other versions
CN1252606A (en
Inventor
伊藤新
广野秀治
武内丰
宫沢竜雄
岩下强
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Publication of CN1252606A publication Critical patent/CN1252606A/en
Application granted granted Critical
Publication of CN1207726C publication Critical patent/CN1207726C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
    • F25J3/04375—Details relating to the work expansion, e.g. process parameter etc.
    • F25J3/04387—Details relating to the work expansion, e.g. process parameter etc. using liquid or hydraulic turbine expansion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04006—Providing pressurised feed air or process streams within or from the air fractionation unit
    • F25J3/04012—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of warm gaseous streams; details of intake or interstage cooling
    • F25J3/04024—Providing pressurised feed air or process streams within or from the air fractionation unit by compression of warm gaseous streams; details of intake or interstage cooling of purified feed air, so-called boosted air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04151—Purification and (pre-)cooling of the feed air; recuperative heat-exchange with product streams
    • F25J3/04157—Afterstage cooling and so-called "pre-cooling" of the feed air upstream the air purification unit and main heat exchange line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04248—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion
    • F25J3/04284—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams
    • F25J3/0429—Generation of cold for compensating heat leaks or liquid production, e.g. by Joule-Thompson expansion using internal refrigeration by open-loop gas work expansion, e.g. of intermediate or oxygen enriched (waste-)streams of feed air, e.g. used as waste or product air or expanded into an auxiliary column
    • F25J3/04296—Claude expansion, i.e. expanded into the main or high pressure column
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04406—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using a dual pressure main column system
    • F25J3/04412—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using a dual pressure main column system in a classical double column flowsheet, i.e. with thermal coupling by a main reboiler-condenser in the bottom of low pressure respectively top of high pressure column
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04406—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using a dual pressure main column system
    • F25J3/0443—A main column system not otherwise provided, e.g. a modified double column flowsheet
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04472—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using the cold from cryogenic liquids produced within the air fractionation unit and stored in internal or intermediate storages
    • F25J3/04496—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using the cold from cryogenic liquids produced within the air fractionation unit and stored in internal or intermediate storages for compensating variable air feed or variable product demand by alternating between periods of liquid storage and liquid assist
    • F25J3/04503—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using the cold from cryogenic liquids produced within the air fractionation unit and stored in internal or intermediate storages for compensating variable air feed or variable product demand by alternating between periods of liquid storage and liquid assist by exchanging "cold" between at least two different cryogenic liquids, e.g. independently from the main heat exchange line of the air fractionation and/or by using external alternating storage systems
    • F25J3/04509—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air using the cold from cryogenic liquids produced within the air fractionation unit and stored in internal or intermediate storages for compensating variable air feed or variable product demand by alternating between periods of liquid storage and liquid assist by exchanging "cold" between at least two different cryogenic liquids, e.g. independently from the main heat exchange line of the air fractionation and/or by using external alternating storage systems within the cold part of the air fractionation, i.e. exchanging "cold" within the fractionation and/or main heat exchange line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
    • F25J3/04527—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general
    • F25J3/04533—Integration with an oxygen consuming unit, e.g. glass facility, waste incineration or oxygen based processes in general for the direct combustion of fuels in a power plant, so-called "oxyfuel combustion"
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
    • F25J3/04563—Integration with a nitrogen consuming unit, e.g. for purging, inerting, cooling or heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
    • F25J3/04612—Heat exchange integration with process streams, e.g. from the air gas consuming unit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04521—Coupling of the air fractionation unit to an air gas-consuming unit, so-called integrated processes
    • F25J3/04612—Heat exchange integration with process streams, e.g. from the air gas consuming unit
    • F25J3/04618—Heat exchange integration with process streams, e.g. from the air gas consuming unit for cooling an air stream fed to the air fractionation unit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J3/00—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification
    • F25J3/02—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream
    • F25J3/04—Processes or apparatus for separating the constituents of gaseous or liquefied gaseous mixtures involving the use of liquefaction or solidification by rectification, i.e. by continuous interchange of heat and material between a vapour stream and a liquid stream for air
    • F25J3/04763—Start-up or control of the process; Details of the apparatus used
    • F25J3/04769—Operation, control and regulation of the process; Instrumentation within the process
    • F25J3/04812—Different modes, i.e. "runs" of operation
    • F25J3/04836—Variable air feed, i.e. "load" or product demand during specified periods, e.g. during periods with high respectively low power costs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2240/00—Processes or apparatus involving steps for expanding of process streams
    • F25J2240/02—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream
    • F25J2240/10—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream the fluid being air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2240/00—Processes or apparatus involving steps for expanding of process streams
    • F25J2240/02—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream
    • F25J2240/12—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream the fluid being nitrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2240/00—Processes or apparatus involving steps for expanding of process streams
    • F25J2240/02—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream
    • F25J2240/20—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream the fluid being oxygen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2240/00—Processes or apparatus involving steps for expanding of process streams
    • F25J2240/02—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream
    • F25J2240/22—Expansion of a process fluid in a work-extracting turbine (i.e. isentropic expansion), e.g. of the feed stream the fluid being oxygen enriched compared to air, e.g. "crude oxygen"
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2240/00—Processes or apparatus involving steps for expanding of process streams
    • F25J2240/70—Steam turbine, e.g. used in a Rankine cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2250/00—Details related to the use of reboiler-condensers
    • F25J2250/30—External or auxiliary boiler-condenser in general, e.g. without a specified fluid or one fluid is not a primary air component or an intermediate fluid
    • F25J2250/42—One fluid being nitrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2250/00—Details related to the use of reboiler-condensers
    • F25J2250/30—External or auxiliary boiler-condenser in general, e.g. without a specified fluid or one fluid is not a primary air component or an intermediate fluid
    • F25J2250/52—One fluid being oxygen enriched compared to air, e.g. "crude oxygen"
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2260/00—Coupling of processes or apparatus to other units; Integrated schemes
    • F25J2260/42—Integration in an installation using nitrogen, e.g. as utility gas, for inerting or purging purposes in IGCC, POX, GTL, PSA, float glass forming, incineration processes, for heat recovery or for enhanced oil recovery
    • F25J2260/44—Integration in an installation using nitrogen, e.g. as utility gas, for inerting or purging purposes in IGCC, POX, GTL, PSA, float glass forming, incineration processes, for heat recovery or for enhanced oil recovery using nitrogen for cooling purposes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25J—LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS OR LIQUEFIED GASEOUS MIXTURES BY PRESSURE AND COLD TREATMENT OR BY BRINGING THEM INTO THE SUPERCRITICAL STATE
    • F25J2270/00—Refrigeration techniques used
    • F25J2270/90—External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH3, unspecified external refrigeration
    • F25J2270/906—External refrigeration, e.g. conventional closed-loop mechanical refrigeration unit using Freon or NH3, unspecified external refrigeration by heat driven absorption chillers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Separation By Low-Temperature Treatments (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

To improve power generating efficiency and level load to the change of electric power demand by storing the cold in form of a low temperature medium using dump power and heat energy of nuclear power generating facilities, and lowering the temperature of cooling water to be supplied to a condenser and the like using the cold when peak power is generated. When electric power demand is lowered at night, on a holiday, or the like, an absorbing type refrigerating means 2 and a liquid air manufacturing means are operated using dump power and heat energy of nuclear power generating facilities 1 to manufacture liquid air and to store it in a liquid air storage tank 4. When electric power demand is increased during the day or the like, cooling water 15 to a condenser 9 of the nuclear power generating facilities 1 and a condenser 24 of the absorbing type refrigerating means 2 is cooled using air discharged from the liquid air storage tank and gasified. Power generating efficiency can therefore be improved while being able to cope with the change of electric power demand.

Description

Heat storage load normalizing electricity generation system and use the electricity-generating method of this system
Technical field
The present invention relates to a kind of heat storage load normalizing electricity generation system and use the electricity-generating method of this system; its for the night electricity that makes atomic energy generating equipment etc. and daytime electric power realize normalization; utilize the dump power and the heat energy on night and off-day etc.; in the low temperature medium, in advance heat of vaporization is stored; when peak of occurrence electric power such as daytime, utilize heat of vaporization, generating efficiency is improved.
Background technology
In the last few years, along with the maximization of tame electric machine and popularizing of air conditioner, electricity needs was to industrial and civilian all in the continuation increase.Though maximum power is increasing every year, yearly load factor but has a declining tendency.Because the growth of maximum power is remarkable, has surpassed the growth of electric power amount, so high peaking appears in electricity needs, between season and the needs difference round the clock enlarging.For example according to statistics round the clock between the maximal value that differs of electricity needs reach 57%.For this reason, developed in supply side in order to improve rate of load condensate that the formula generation technology that pumps up water, super electricity are led, electric power storing technology such as inertia (flyweel), air compression synchronously.But pumping up water generating exists that distance is far away, the place is restricted and problem such as long in time limit.Although utilize super electricity to lead and synchronously the electric power storing method of inertia is also among exploitation, it is relatively more difficult to use large capacity equipment.Be used in the seabed and the banking system of the underground space though there is the electric power storing method of utilizing air compression studying again, what scale will be very is big.
For this reason, the a solution (spy opens flat 9-250360 number) that proposes is: utilize the dump power in the late into the night and heat energy to make liquid air etc., form with the low temperature medium is stored heat of vaporization, and the burner of combustion gas turbine generator is supplied with in pressurization such as liquid towards air when the peak needs by day.This mode allegedly can obtain and pump up water the generating same degree about 70% energy storage efficient.Another kind of solution (spy open flat 9-13918 number etc.) is: with the late into the night electric power make liquid air and store with the form of heat of vaporization, utilize the cascade of the heat on the low-temperature region when peak needs by day, finally supply with the burner of combustion gas turbine generator.Also have a kind of scheme (spy open flat 9-85232 number etc.) to be: as the storage of heat of vaporization is to utilize the late into the night electric power seawater to be freezed store with the state of ice, heat supply is carried out in the area of separating the ice heat of vaporization, load normalization and surge and carry out simultaneously.Also have another kind of solution (spy opens flat 6-272517 number etc.) to be: the heat of vaporization storage procedures is to utilize late into the night electric power to store heat of vaporization in the ammonia of low temperature and carbon dioxide, the exhaust of steam turbine is cooled off during peak requirements by day.The scheme that also has (spy open flat 6-249574 number etc.) is: utilizes to have the low-pressure distillation tower that under pressure, moves, and the compound rectifying column of the middle pressure rectification column that under middle pressure, moves, the energy efficiency of the manufacturing of improvement liquid oxygen, liquid nitrogen, liquefied air etc.
In addition, the scheme that also has proposes, and the medium that drive usefulness as turbine in the generating set have the water vapor system that uses water vapor and the mixed-media system that uses mixed-media (spy open flat 9-209716 number etc.) or the method for available energy energy (spy open flat 4-27367 number etc.) takes place from the thermal source of multiple class.
The characteristics of atomic energy generating equipment are: compare the construction cost height with the fossil fuel steam power plant, and fuel cost is cheap, comprehensively is the low generating set of cost of electricity-generating.And this equipment advantageously turns round with specified output in operation continuously, now, is the way that adopts starting fossil fuel steam power plant during dialogue sky electric power peak requirements.But consider from the viewpoint that prevents global warming, need to reduce emission amount of carbon dioxide, should reduce as the use amount of dealing with the fossil fuel steam power plant of daytime during the electricity needs peak.
As mentioned above, in the fossil fuel steam power plant, with night electricity manufacturing and storage liquefied air, by day during peak requirements to this air pressurized, supplied burner, the electric power that does not exist compressor to consume like this is the method that the electric power amount adopted of increasing supply.But the machine that in atomic energy generating equipment, is not equivalent to compressor power, the electricity generation system of not utilizing heat of vaporization to store.But still can utilize the heat of vaporization when liquefied air gasifies, to the cooling of the cryophorus of atomic energy generating equipment, drive the expansion type turbine and generate electricity.At this moment because do not need burning; so liquefied air is separated into liquid nitrogen and liquid oxygen; liquid nitrogen is used in the hope of improving exerting oneself of atomic energy generating equipment as cooling; liquid oxygen perfect combustion in the fossil fuel steam power plant in addition simultaneously; thereby can suppress the discharge of oxides of nitrogen, and make contributions for environmental protection.
In atomic energy generating equipment etc., water ammonia mixed-media power generation cycle is encoded, as the generating set that improves thermal energy conversion efficiency, the circulation of water ammonia refrigeration is set simultaneously.Utilize electric power and heat energy to make cold-producing medium in the night electricity demand after a little while, carry out the manufacturing of liquid nitrogen and the manufacturing of ice, and store; By day during the peak power demand, cryophorus, the condensate trap of turbine cooled off and generate electricity, can improve exerting oneself of atomic energy generating equipment etc. by driving the expansion type turbine by the resulting heat of vaporization that thaws of the gasification of liquid nitrogen or ice.Also can make seawater freeze to carry out desalinization in addition, cool off by supply fresh water etc.
And then, under the situation of atomic energy generating equipment, the water ammonia absorption refrigerator is set simultaneously, make ice, this ice is stored in the inhibition pond of settling nuclear reactor vessel.
Summary of the invention
The present invention is based on above knowledge and puts forward; the electricity-generating method that its purpose is to provide a kind of load normalization electricity generation system of heat-storage type and uses this system; utilize remaining electric power and heat energy such as night and off-day; form with the low temperature medium is stored heat of vaporization; when waiting peak of occurrence electric power by day; can utilize heat of vaporization to make to supply with the chilled water of cryophorus etc. to realize low temperatureization etc.; thereby can improve generating efficiency, realize load normalization when electricity needs is changed.
For achieving the above object, the present invention takes following technical scheme:
A kind of heat storage load normalizing electricity generation system is provided in invention, it is characterized in that:
This system comprises: atomic energy generating equipment; From the stage casing of the turbine of this atomic energy generating equipment bleed the pressure steam as the absorption type refrigerating unit of thermal source; Carry out heat interchange by cold-producing medium and carry out air cooled liquefied air manufacturing installation with this absorption type refrigerating unit; Storage is by the liquefied air storagetank of the liquefied air of this liquefied air manufacturing installation manufacturing; When making this liquefied air storagetank institute stored liquid air gasification resulting heat of vaporization and when making air setting by above-mentioned liquefied air manufacturing installation resulting heat of condensation keep and the storage heat of vaporization conversion equipment that uses it to keep heat to carry out heat interchange when this works at them respectively; The heat of vaporization of the air that chilled water that uses in the condensate trap of the cryophorus of above-mentioned atomic energy generating equipment and above-mentioned absorption type refrigerating unit and above-mentioned liquefied air storagetank are discharged is by the water quench heat-exchange device of heat interchange cooling.
When reducing, electricity needs utilize turn round above-mentioned absorption type refrigerating unit and above-mentioned liquefied air manufacturing installation of the dump power of above-mentioned atomic energy generating equipment and heat energy to make liquid air, be stored in the above-mentioned liquefied air storagetank, and when electricity needs increases, utilization is discharged and the air of gasification from above-mentioned liquefied air storagetank, removes to cool off the chilled water of the condensate trap of the cryophorus of supplying with above-mentioned atomic energy generating equipment and above-mentioned absorption type refrigerating unit.
The invention provides a kind of heat storage load normalizing electricity generation system, it is characterized in that:
In the heat storage load normalizing electricity generation system of being put down in writing, between above-mentioned storage heat of vaporization conversion equipment and above-mentioned water quench heat-exchange device, be provided with will gasification air as the expansion type turbine power generation equipment of working fluid.
The invention provides a kind of heat storage load normalizing electricity generation system, it is characterized in that:
In the heat storage load normalizing electricity generation system of being put down in writing; be provided with ice and store the water quench device; make it at the chilled water upper reaches of above-mentioned water quench heat-exchange device end; resulting heat of vaporization is made ice when above-mentioned storage heat of vaporization conversion equipment is supplied with the liquefied air gasification, utilizes ice and the above-mentioned chilled water made to carry out heat interchange simultaneously.
The invention provides a kind of heat storage load normalizing electricity generation system, it is characterized in that:
In the heat storage load normalizing electricity generation system of being put down in writing; be provided with ice and store the urgent reactor core cooling device of using; make by the cold-producing medium with above-mentioned absorption type refrigerating unit and carry out heat interchange, the ice that will make when making ice is supplied with the inhibition pond of above-mentioned atomic energy generating equipment.
The invention provides a kind of heat storage load normalizing electricity generation system, it is characterized in that:
In the heat storage load normalizing electricity generation system of being put down in writing; be provided with ice and store the urgent reactor core cooling device of using; make by the heat of vaporization with above-mentioned storage heat of vaporization conversion equipment to exchange, the ice that will make when making ice is supplied with the inhibition pond of above-mentioned atomic energy generating equipment.
The invention provides a kind of heat storage load normalizing electricity generation system, it is characterized in that:
In the heat storage load normalizing electricity generation system of being put down in writing; the chilled water that injects to the condensate trap of the cryophorus of above-mentioned atomic energy generating equipment and above-mentioned absorption type refrigerating unit is a seawater; and replace above-mentioned water quench heat-exchange device or ice to store the urgent reactor core cooling device of using; increase in addition perhaps that seawater that being provided with thaws after seawater freezed obtains fresh water freezes that the fresh water makeup is put and freeze the fresh water makeup by this seawater and put resulting low temperature fresh water, the CFW that above-mentioned chilled water cools off is carried cooling device by carrying.
The invention provides a kind of heat storage load normalizing electricity generation system, it is characterized in that:
In the heat storage load normalizing electricity generation system of being put down in writing; above-mentioned liquefied air manufacturing installation has the cryogenic air separation plant of making liquid oxygen and liquid nitrogen when making liquid air again, and also has liquid oxygen storagetank and liquid nitrogen storagetank outside above-mentioned liquefied air storagetank.When electricity needs descends, make liquid oxygen and liquid nitrogen when utilizing dump power and heat energy to make liquid air, be stored in respectively in above-mentioned each storagetank; When electricity needs increases, above-mentioned liquefied air and above-mentioned liquid nitrogen gasify, chilled water to the condensate trap of the cryophorus of above-mentioned atomic energy generating equipment and above-mentioned absorption type refrigerating unit cools off, simultaneously above-mentioned liquid oxygen as the burning of fossil fuel steam power plant with and be used for other purposes.
The invention provides a kind of heat storage load normalizing electricity generation system, it is characterized in that:
System comprises: atomic energy generating equipment; From the stage casing of the turbine of this atomic energy generating equipment bleed the pressure steam as the absorption type refrigerating unit of thermal source; Carry out heat interchange by cold-producing medium with this absorption type refrigerating unit, store when making ice, the chilled water that uses in the cryophorus of this ice and above-mentioned atomic energy generating equipment and the condensate trap of above-mentioned absorption type refrigerating unit carries out the ice of heat interchange and stores the water quench device.
When descending, electricity needs utilize turn round above-mentioned absorption type refrigerating unit and above-mentioned ice of the dump power of above-mentioned atomic energy generating equipment and heat energy to store water quench device, manufacturing of icing and storage; And when electricity needs increases, utilize above-mentioned ice to store the ice of storing in the water quench device, remove to cool off the chilled water of the condensate trap of the cryophorus of above-mentioned atomic energy generating equipment and above-mentioned absorption type refrigerating unit.
The invention provides a kind of heat storage load normalizing electricity generation system, it is characterized in that:
In the heat storage load normalizing electricity generation system of being put down in writing, between above-mentioned absorption type refrigerating unit and above-mentioned ice storage water quench device, has the latent heat storage facility that makes the circulation of latent heat medium and store heat of vaporization.When electricity needs descends, utilizing the latent heat medium of dump power and heat energy cooling latent heat storage facility and storing heat of vaporization, from above-mentioned latent heat storage facility cooling medium is stored the water quench device at above-mentioned ice and circulated, store the water quench device by above-mentioned ice and make and store ice; When electricity needs increases, the cryophorus of above-mentioned atomic energy generating equipment and the chilled water of above-mentioned absorption type refrigerating unit condensate trap are stored the cooling of water quench device by above-mentioned ice.
The invention provides a kind of heat storage load normalizing electricity generation system, it is characterized in that:
System comprises: atomic energy generating equipment; The steam of bleeding with the stage casing of the low pressure turbine of this atomic energy generating equipment or row's steam of high pressure turbine are as the mixed-media generating set of the recycling water ammonia mixed-media of thermal source and utilize the cold-producing medium manufacturing installation of high strength ammonia steam; By utilizing cold-producing medium to cool off the liquefied air manufacturing installation that makes liquid air by this cold-producing medium manufacturing installation manufacturing; Storage is by the liquefied air storagetank of the liquefied air of this liquefied air manufacturing installation manufacturing; The heat of condensation that obtains when keeping solidifying air respectively by the heat of vaporization that obtains during the stored liquid air gasification in this liquefied air storagetank with by above-mentioned liquefied air manufacturing installation, and when working, this use it to keep heat, the storage heat of vaporization conversion equipment that carries out heat interchange at them; Make between the heat of vaporization of the air that the chilled water that uses in above-mentioned atomic energy generating equipment, mixed-media generating set and the cold-producing medium manufacturing installation and above-mentioned liquefied air storagetank discharge the water quench heat-exchange device that cools off by heat interchange.
When electricity needs descends, utilize the dump power of above-mentioned atomic energy generating equipment and the heat energy above-mentioned liquefied air manufacturing installation that turns round to make liquid air, be stored in the above-mentioned liquefied air storagetank, turn round simultaneously above-mentioned mixed-media generating set and cold-producing medium manufacturing installation are made cold-producing medium; And when electricity needs increases, utilize the air of discharging the back gasification from above-mentioned liquefied air storagetank, the chilled water of the condensate trap of the cryophorus of delivering to above-mentioned atomic energy generating equipment and above-mentioned mixed-media generating set is cooled off.
The invention provides a kind of heat storage load normalizing electricity generation system, it is characterized in that:
System comprises: atomic energy generating equipment; The steam of bleeding from the stage casing of the low pressure turbine of this atomic energy generating equipment or row's steam of high pressure turbine are as the mixed-media generating set of the recycling water ammonia mixed-media of thermal source and utilize the cold-producing medium manufacturing installation of high strength ammonia steam; Storage is by the latent heat storage facility of the heat of vaporization of this cold-producing medium manufacturing installation manufacturing; Be connected on this latent heat storage facility through hot conveying loop, and make the chilled water of sending into to the knockouts of above-mentioned mixed-media generating set store the water quench device with the state storage of ice, the ice of cooling.
When electricity needs descends, utilize dump power and heat energy, cooling is also stored the latent-heat storage particle of above-mentioned latent heat storage facility, and from above-mentioned latent heat storage facility make the latent-heat storage particle and above-mentioned ice store between the cooled with seawater device and circulate manufacturing of icing and storage; When electricity needs increases, store the cooled with seawater device by above-mentioned ice the chilled water of the condensate trap of the cryophorus of above-mentioned atomic energy generating equipment and above-mentioned mixed medium generating set is cooled off.
The invention provides a kind of heat storage load normalizing electricity generation system, it is characterized in that:
Have gas cooled high temperature furnace generating set, combustion of fossil fuel generating set or castoff burning generating set, with the atomic energy generating equipment that replaces being put down in writing, the chilled water to the cryophorus of delivering to the steam turbine that uses in these generating sets when electricity needs increases cools off.
The invention provides a kind of heat storage load normalizing electricity generation system, it is characterized in that:
Use the heat storage load normalizing electricity generation system of being put down in writing, generate electricity continuously round the clock.
When descending, electricity needs utilize the dump power of generating set and heat energy to carry out the storage of heat of vaporization when night; And when daytime, electricity needs increased, with the heat of vaporization of above-mentioned storage the cryophorus of above-mentioned generating set and the auxiliary device of generating set or the condensate trap of device or the chilled water of knockouts are cooled off.
The invention provides a kind of heat storage load normalizing electricity generation system, it is characterized in that:
In the electricity-generating method of being put down in writing, the chilled water of cryophorus, condensate trap or knockouts uses seawater.
As above-mentioned detailed description; the present invention can provide a kind of heat storage load normalizing electricity generation system and use the electricity-generating method of this system; utilize the dump power and the heat energy on night and off-day etc.; form with the low temperature medium is stored heat of vaporization; when peak of occurrence electric power such as daytime; can utilize heat of vaporization that the chilled water of supplying with cryophorus etc. is carried out sub zero treatment etc., thereby generating efficiency is improved, realize the load normalization when electricity needs changed.
Advantage of the present invention and feature will be in conjunction with the drawings to the description of embodiments of the invention and further specified, in these accompanying drawings:
With reference to the accompanying drawings embodiments of the invention are described.
Description of drawings
Fig. 1 is system's pie graph of expression the present invention the 1st embodiment.
Fig. 2 is system's pie graph of expression the present invention the 2nd embodiment.
Fig. 3 is system's pie graph of expression the present invention the 3rd embodiment.
Fig. 4 is system's pie graph of expression the present invention the 4th embodiment.
Fig. 5 is system's pie graph of expression the present invention the 5th embodiment.
Fig. 6 is system's pie graph of expression the present invention the 6th embodiment.
Fig. 7 is the key diagram of an example of the pith of system shown in the presentation graphs 6.
Fig. 8 is another routine key diagram of the pith of system shown in the presentation graphs 6.
Fig. 9 is system's pie graph of expression the 7th embodiment of the present invention.
Figure 10 is system's pie graph of expression the 8th embodiment of the present invention.
Figure 11 is a key diagram of representing the pith of Figure 10 in detail.
Figure 12 represents system's pie graph of the present invention the 9th embodiment.
Figure 13 represents system's pie graph of the present invention the 10th embodiment.
Figure 14 represents all pie graphs of system of the present invention the 11st embodiment.
Figure 15 is a key diagram of representing the pith of Figure 14 in detail.
Figure 16 is the key diagram of expression Figure 15 variation.
Figure 17 represents system's pie graph of the 12nd embodiment of the present invention.
Embodiment
The 1st embodiment (Fig. 1)
Fig. 1 is system's pie graph that expression the of the present invention the 1st is implemented.
Present embodiment is the relevant nuclear electric power generation system that liquefied air makes load normalization that stores.As shown in Figure 1, this system roughly has: atomic energy generating equipment 1, absorption type refrigerating unit 2, liquefied air manufacturing installation 3, liquefied air storagetank 4, store heat of vaporization conversion equipment 5, as the cooled with seawater heat-exchange device 6 of water quench heat-exchange device.
Atomic energy generating equipment 1 for example has light-water formula nuclear reactor 7, steam turbine 8, cryophorus 9, main circulation pump 10 etc., the coaxial generator 11 that connecting on the steam turbine 8.And the coolant that is made of light-water adds the steam of thermosetting state of saturation in nuclear reactor 7, and this steam is delivered to steam turbine 8 through main steam pipe 12.Deliver to the steam driving steam turbine 8 of steam turbine 8, the rotating energy of this steam turbine 8 is converted to electric energy in generator 11.Carry out heat interchange through gas outlet 13 with the chilled water that flows through the heat exchange department inside in the cryophorus 9 from the exhaust of steam turbine 8 and become condensate water.In this condensate water, for example use through coagulating the circulating seawer 15 of water cooling system pipe arrangement 14.The condensate water that is generated in cryophorus 9 is back in the nuclear reactor 7 through water supply system pipe arrangement 16 by main circulation pump 10.
Absorption type refrigerating unit 2 makes the mixed-media of water ammonia as cold-producing medium, and from the stage casing of the steam turbine 8 of nuclear reactor generating set 1, the middle pressure steam of extracting out through the pipe arrangement 17 of bleeding heats mixed-media as thermal source.Promptly by loop-like pipe arrangement 18 successively by constituting with the lower part: well heater 19, separation vessel 20, knockouts 21, expansion valve 22, carburetor 23, condensate trap 24, pump 25, heat exchanger 26 and throttling valve 27 etc.The heat exchange department that more detail is well heater 19 is connected to the stage casing of steam turbine 8 and the inlet end of main circulation pump 10.Then the mixed-media that flows out from pump 25 carries out heat interchange at heat exchanger 26, flows into well heater 19, heats the back and flows into separation vessel 20, is separated into high solution of ammonia concentration and the low solution of ammonia concentration at this.The solution that ammonia concentration is high becomes vapor state and enters knockouts 21, at this steam by coolings such as seawater.The solution of this cooling enters carburetor 23 through expansion valve 22, heats through exchange and becomes steam at this hot-air that adds with 3 compressions of liquefied air manufacturing installation.
On the other hand, the solution of the mixed-media that the ammonia concentration of being separated by separation vessel 20 is low in heat exchanger 26 by after the heat interchange cooling, steam blended absorbent through throttling valve 27 is evaporated in carburetor 23 enters condensate trap 24, is cooled to condensed fluid at this by the heat interchange with seawater etc.
The formation of liquefied air manufacturing installation 3 disposes successively by air pipe arrangement 32: the compressor reducer 28 of air a in the compressed atmosphere; The the 1st, the 2nd heat- exchange device 29,30 and liquefied air that pressurized air cools off are made device 31 etc.The 1st heat-exchange device 29 is connected to through refrigerant cycle pipe arrangement 32 on the carburetor 23 of absorption type refrigerating unit 2, by carrying out heat interchange with above-mentioned mixed-media air is cooled off.The 2nd heat-exchange device 30 and store between the heat of vaporization conversion equipment 5 and make LPG or ammonia circulation by circulation pipe arrangement 33, heat interchange is carried out in the heat of vaporization storage part during with following liquefied air gasification, and the air of compression is cooled off.Liquefied air is made device 31 and is made of unillustrated refining plant and expansion type turbine etc. among the figure, and the liquefied air of manufacturing is transported in the liquefied air storagetank 4.
Storing heat of vaporization conversion equipment 5 is made of unillustrated evaporator, heat exchanger etc. among the figure, from liquefied air storagetank 4 liquefied air is guided to evaporator, cold-producing medium with round-robin liquefied air propane that comes out from the 2nd heat-exchange device 30 or ammonia etc. in this evaporator carries out heat interchange, the liquid towards air heat.
In the formation of cooled with seawater heat exchanger device 6, will this seawater directly be cooled off by storing the air injection seawater 15 that heat of vaporization conversion equipment 5 is gasified.
The following describes its effect.
At the few equal time at night of electricity needs, bleed from the stage casing of the steam turbine 8 of atomic energy generating equipment 1, heat exchange department and water ammonia mixed-media at the well heater 19 of absorption type refrigerating unit 2 carry out heat interchange, are become the inlet end that is back to main circulation pump 10 behind the water by the steam of heat interchange cooling.Mixed-media by the water ammonia of well heater 19 heating is separated into high steam of ammonia concentration and the low solution of ammonia concentration in separation vessel 20 on the other hand.The high steam of ammonia concentration is by condensing with the heat interchange of cooled with seawater heat-exchange device 15 in knockouts 21, and this coagulation liquid flows into heat of vaporization devices 23 through expansion valve 22.When coagulation liquid passes through expansion valve 22, become refrigerant of low temperature by adiabatic expansion.And, this cold-producing medium is in heat of vaporization device 23, and the 1st heat-exchange device 29 of liquefied air manufacturing installation 3 between add medium through round-robin liquid ammonia or latent-heat storage particle, with compressed-air actuated heat interchange, make this pressurized air cooling, become steam by the cold-producing medium in the heat of vaporization device 23 of this heat interchange heating and flow into condensate trap 24.On the other hand, after the low solution of ammonia concentration that separates in separation vessel 20 cooled off in heat exchanger 26, the refrigerant vapour high through throttling valve 27 and ammonia concentration mixed, and absorbs mixing thus.This absorbs mixture and flows into condensate trap 24, by with the heat interchange of cooled with seawater heat-exchange device 15, cohesion becomes condensed fluid.The condensed fluid of this low temperature is by pump 25 pressurization, in heat exchanger 26 with the low solution of ammonia concentration by the heat interchange heating after, be back to well heater 19, the steam of bleeding by above-mentioned steam turbine 8 heats again.
In liquefied air manufacturing installation 3, by compressor reducer 28 be taken into and compressed atmosphere in air a, compressed air is in the 1st heat-exchange device 29, by and the heat of vaporization device 23 of absorption type refrigerating unit 2 between round-robin liquid ammonia or latent-heat storage particle add medium and cool off, remove on the unillustrated in the drawings then refining plant and anhydrate and carbon dioxide packing is made with extra care, carry out overcompression by high pressure once again in the further unillustrated in the drawings compressor reducer.And then cooling.And then in heat-exchange device 30, being cooled to approaching-150 ℃, the cooling of expanding of the expansion valve of making device 31 by liquefied air becomes liquefied air.At this moment, the heat of vaporization that taken place of the liquefied air gasification after using following manufacturing during the cooling in the 2nd heat-exchange device 30.The liquefied air of making is stored in the liquefied air storagetank 4.
On the other hand, the equal time on daytime that increases in electricity needs is not bled from the stage casing of the steam turbine 8 of atomic energy generating equipment 1, and absorption type refrigerating unit 2 also shuts down.Take out liquefied air from liquefied air storagetank 4, be incorporated into the evaporator of storing heat of vaporization conversion equipment 5.The heat-storage petrogas or the ammonia that are taken place when taking out 30 stored liquid air of the 2nd heat-exchange device of the device 3 that makes liquid air in this evaporator by carrying out heat interchange therewith, make the liquefied air gasification.The heat-storage petrogas or the ammonia of cooling are stored once more.The air that then temperature is risen to more than 0 ℃ is introduced in the cooled with seawater heat-exchange device 6, injects seawater 15, and seawater 15 is cooled off.Like this, temperature is elevated near near the air the ocean temperature, be released in the atmosphere through gas outlet 34, the seawater 15 process condensate water cooling system pipe arrangements 14 that cooled off by cooled with seawater heat-exchange device 6 are supplied with the cryophorus 9 of atomic energy generating equipments 1 simultaneously, carry out the cooling of cryophorus 9.The temperature of steam turbine 8 export departments reduces like this, and vapor pressure reduces, so the turbine efficiency raising, and conversion electric power amount increases, can corresponding a part of peak power demand.Because the seawater 15 that is cooled is also supplied with the knockouts 21 and the condensate trap 24 of absorption type refrigerating unit 2, so also can improve the efficient of absorption refrigeration effect.
According to the 1st above embodiment, utilize the electric power and the heat energy manufacturing in late into the night etc. and store liquefied air.Make liquefied air gasification when waiting the peak electricity needs by day, the cooling ocean temperature of the cryophorus 9 by reducing atomic energy generating equipment 1 can improve turbine efficiency increase generated energy, can help the load normalization of atomic energy generating equipment.
In the present embodiment, between the carburetor 23 of the heat-exchange device 29 of liquefied air manufacturing installation 3 and absorption type refrigerating unit 2, by forming the hot conveying loop that adds medium with the latent-heat storage particle, can increase 2 of liquefied air manufacturing installation 3 and absorption type refrigerating units and be provided with at interval, thereby the configuration design of two devices 2,3 is carried out easily.
The 2nd embodiment (Fig. 2)
Fig. 2 is system's pie graph of expression the present invention the 2nd embodiment.
Represent as Fig. 2, the system of this enforcement except the formation of the 1st embodiment, store be equipped with between heat of vaporization conversion equipment 5 and the cooled with seawater heat-exchange device 6 will gasification air as the expansion type turbine power generation equipment 35 of working fluid.Other formation is identical with the 1st embodiment, so uses same label in the appropriate section of Fig. 2, illustrates and is omitted.Also some simplification of accompanying drawing in addition.When do not have specifying in following other embodiment too.
Comprise in the formation of expansion type turbine power generation equipment 35: supply with the way of liquefied air pipe arrangement 36 of liquefied air expansion type turbine 37 and and these expansion type turbine 37 coaxial generators that are connected 38 are installed from storing 5 pairs of cooled with seawater heat-exchange devices of heat of vaporization conversion equipment 14.
And by by storing 5 gasifications of heat of vaporization conversion equipment and becoming the air driven expansion type turbine 37 of high pressure by unillustrated pump among the figure, the generator 38 by coaxial connection therewith generates electricity again.By the Cryogenic air that this expansion type turbine 37 expands, introduce in the cooled with seawater heat-exchange device 6, after seawater 15 coolings, be released in the atmosphere.
According to such formation, when waiting electricity needs a lot of by day, the air that the liquefied air gasification that use is introduced from liquefied air storagetank 4 is cooled off, can in the cooled with seawater heat-exchange device, cool off seawater 15, simultaneously to the pressurization of this liquefied air, heat and the resulting high pressure air drives expansion type turbine 37 that gasifies generates electricity, just can directly utilize the heat of vaporization energy of under the liquefied air state, storing when waiting the peak electricity needs so by day.
The 3rd embodiment (Fig. 3)
Fig. 3 is system's pie graph of expression present embodiment.
As shown in Figure 3, the system of present embodiment is except the formation of the 2nd embodiment, also be provided with the ice storage cooled with seawater device 39 of storing the water quench device as ice, resulting heat of vaporization carries out heat interchange with making ice and seawater 15 from storing 5 circulations of heat of vaporization conversion equipment when making ice when the end liquid towards air gasification of the seawater 15 of cooled with seawater heat-exchange device 6 flows upper reaches.Have the apparatus for supercooling that freezes for seawater because this ice is stored cooled with seawater device 39, make heat of vaporization round-robin hot loop 40 so between apparatus for supercooling and storage heat of vaporization conversion equipment 5, be provided with.This hot loop 40 for example will be by the air of storing 5 gasifications of heat of vaporization conversion equipment as cold-producing medium, the apparatus for supercooling cocycle in ice is stored cooled with seawater device 39.And the pressure-air that is heated by this device then is incorporated into expansion type turbine 37, thus 35 entrys into service of expansion type turbine power generation equipment.Ice storage cooled with seawater device 39 carries out heat interchange by a part and the air of seawater in apparatus for supercooling 15, becomes the supercooling state, freezes after the releasing supercooling, stores with the ice form.
According to such formation, wait electricity needs for a long time by day, make by storing the air that heat of vaporization conversion equipment 5 is gasified, flow to the apparatus for supercooling of icing in the storage cooled with seawater device 39 through hot loop 40, make by the pressure-air of this apparatus for supercooling heating and introduce in the expansion type turbine 37, drive this expansion type turbine, on the generator 38 of coaxial connection, generate electricity.At this moment make the part of seawater 15 be in the supercooling state in the apparatus for supercooling in ice is stored cooled with seawater device 39, frozen storage after the releasing supercooling, the ice of this storage is dissolved in the seawater 15 and becomes one, and through cooled with seawater heat-exchange device 6, is incorporated among cryophorus 19 grades.
According to present embodiment, make it gasification when utilizing the dump power at night etc. and heat energy manufacturing and stored liquid air to wait the peak of occurrence electricity needs by day, store manufacturing and the storage that cooled with seawater device 39 is iced by ice, to cooled with seawater, can improve generating efficiency with this ice.
Ice is stored the heat interchange of cooled with seawater device 39 and storage heat of vaporization conversion equipment 5 and also can be undertaken by the cold-producing medium beyond the air between these heat exchange departments.At this moment the round-robin cold-producing medium preferably includes the latent-heat storage particle in hot loop 40.At this moment, the latent-heat storage particle forms the soft circulation circuit of latent-heat storage particle heating by the air cooling of gasification in the apparatus for supercooling of ice storage cooled with seawater device 39 in storing heat of vaporization conversion equipment 5.Adopt such latent-heat storage particle to add medium and form hot conveying loop, can make storage heat of vaporization conversion equipment 5 and ice store being provided with at interval of 39 in cooled with seawater device and strengthen, the configuration that can carry out these systems easily designs.
The 4th embodiment (Fig. 4)
Fig. 4 is system's pie graph of expression the 4th embodiment of the present invention.
As shown in Figure 4, the system of present embodiment also is provided with ice and stores urgent with reactor core cooling device 42 except that the formation of the 1st embodiment, by the heat interchange that the cold-producing medium with absorption type refrigerating unit 2 carries out, when making ice, the ice of making is supplied with the inhibition pond 41 of atomic energy generating equipment.
That is, the 1st heat-exchange device 29 of the cold-hot machine 23 of absorption type refrigerating unit 2 and liquefied air manufacturing installation 3 is connected by refrigerant cycle pipe arrangement 32, and the cold-producing medium that is made of ammonia or latent-heat storage mix particles medium in this refrigerant cycle pipe arrangement 32 circulates.This cold-producing medium is cooled by heat interchange in the cold-hot machine 23 of absorption type refrigerating unit 2, is back in the 1st heat-exchange device 29 of liquefied air manufacturing installation 3.
In the present embodiment, be provided with by take out the hot conveying loop 43 of heat of vaporization from the pipe arrangement of refrigerant cycle pipe arrangement 32 branches, connect the ice storage on the top of this hot conveying loop 43 urgent with stove heart cooling device 42, makes the refrigerant cycle by cold-hot machine 23 coolings.Ice store urgent with stove heart cooling device 42 by comprising that apparatus for supercooling and pump etc. constitute, the supercooling reactor core chilled water conveying loop of using through the pond water cycle 44 is connected to the inhibition pond, by with the heat interchange of the cold-producing medium of hot conveying loop 43 to the pond water cooling.Other formations are identical with the 1st embodiment.
In constituting like this, it is identical as mentioned above that the dump power of utilizing night etc. and heat energy can carry out cooled with seawater, but in the present embodiment in addition, also the cold-producing medium of the ammonia of carburetor 23 cooling of absorption type refrigerating unit 2 or latent-heat storage particle mixed phase medium etc. being delivered to ice stores urgent with in the reactor core cooling device 42, carry out heat interchange by supercooling generating means and Chi Shui, thus Chi Shui is back to the supercooling state and suppresses in the pond 41, thereby can generate ice by the releasing of supercooling state.And a certain amount of ice can be stored at ordinary times in the inhibition pond 41.
According to present embodiment, the part of the Chi Shui in the inhibition pond 41 of atomic energy generating equipment 1 can be stored with the state of ice.
In addition, latent heat is stored particle mixed phase medium to be used as round-robin cold-producing medium in the hot conveying loop 43, when storing urgent when carrying out the heat conveying to ice with reactor core cooling device 42 from absorption type refrigerating unit 2, storing urgent fed distance with reactor core cooling device 42 from absorption type refrigerating unit 2 to ice can strengthen, and the configuration design of these systems is carried out easily.
The 5th embodiment (Fig. 5)
Fig. 5 is system's pie graph of expression the 5th embodiment of the present invention.
As shown in Figure 5, it is urgent with reactor core cooling device 42 that the system of present embodiment also has the ice storage of making ice and supplying with inhibition pond 41.But ice stores in the urgent formation with reactor core cooling device 42 that to be that the hot loop 40 of the storage heat of vaporization conversion equipment 5 used of the cooled with seawater used from the 3rd embodiment is introduced cold and hot, ices by carrying out the heat interchange manufacturing with this heat of vaporization.
Promptly, the round-robin cold-producing medium is that ammonia or latent heat are stored particle mixed phase medium in the hot loop in the present embodiment 40, the branch pipe arrangement of hot conveying loop as hot loop 40 is set, makes refrigerant of low temperature store the urgent circulation in the reactor core cooling device 42 of using at ice by this hot conveying loop 45.And, connect inhibition pond 41 urgent the using on the reactor core cooling device 42 of this ice storage by the supercooling reactor core cooling conveying loop 44 identical with the 4th embodiment, with above-mentioned same generation ice, a certain amount of at ordinary times ice is stored in the inhibition pond 41.
Present embodiment is the same with the 4th embodiment, the part of Chi Shui can be stored with the state of ice.And by be provided with from store heat of vaporization conversion equipment 5 make cold-producing medium ice store urgent with reactor core cooling device 42 the hot conveying loop 45 of round-robin, also can be with the heat of vaporization of 4 stored liquid air of liquefied air storagetank as promptly using power utilization, thereby can improve the reliability of the security system of atomic energy generating equipment 1, simultaneously can reduce security system equipment intrinsic in the nuclear energy power generation equipment 1, cut down the construction cost of atomic energy generating equipment 1.
In the present embodiment, from storing heat of vaporization conversion equipment 5 when ice is stored the urgent cold-producing medium that carries out the hot conveying loop 45 that heat transmits with reactor core cooling device 42 and used latent heat storage particle mixed phase medium, can strengthen from storing cold and hot conversion equipment 5 and store urgent fed distance, the configuration design of these devices 5,42 is carried out easily with reactor core cooling device 42 to ice.
The 6th embodiment (Fig. 6-Fig. 8)
Fig. 6 is system's pie graph of expression the 6th embodiment of the present invention.The key diagram of the example that Fig. 7 is different with a pith of system shown in Fig. 8 difference presentation graphs 6.
As shown in Figure 6, the seawater of the chilled water that injects except that the condensate trap 24 of cryophorus 9 with subtend atomic energy generating equipment 1 and absorption type refrigerating unit 2 in the system of present embodiment cools off and the ice accumulation of heat cooled with seawater device 6 of the various embodiments described above that are provided with, also have the seawater that obtains fresh water that thaws after seawater freezed and freeze desalination plant 46, and this seawater freezes the fresh water makeup and puts 46 resulting low temperature fresh water and carry cooling device 47 by carrying the CFW that seawater 15 is cooled off.
Seawater freezes the fresh water makeup and puts 46 liquefied air from above-mentioned storage heat of vaporization conversion equipment 5 importing gasifications (perhaps the ammonia of Qi Hua liquefied air and heat interchange or latent heat are stored particle mixed phase medium), import seawater through seawater ingress pipe 48 simultaneously, adopt the ice maker of following static mode (Fig. 7) or acquisition mode indirect modes such as (Fig. 8) to carry out ice making, the ice that will make dissolves resulting CFW and can be used as heat exchange media and use simultaneously.CFW is carried cooling device 47 to freeze the fresh water makeup through CFW circulation pipe arrangement 49 from seawater and is put 46 supplies of accepting CFW, carries out heat interchange with the cooling of cryophorus 9 grades with seawater 15, cools off this seawater.
Fig. 7 has represented that in detail freezing the fresh water makeup by the seawater that static mode carries out indirect mode puts 46 constitute and carry 47 constituting of being connected of cooling device with CFW.
This seawater freezes fresh water makeup and puts 46 and have: accept heat of vaporization from the hot loop 40 of the refrigerant piping of storing heat of vaporization conversion equipment 5, to the being heated usefulness heat exchanger 51 of ice making with the refrigerant cools in the hot loop 50; At a plurality of ice making coils 52 of ice making with the top setting of hot loop 50; Surround the ice build-up tank 53 of coil.In addition, ice making is closed loops with hot loop 50, has refrigerant cycle pump 50a, has simultaneously with each ice making coil 52 to be in parallel, and the passageway part that is connected each coil is as the valve 50b that opens and closes usefulness.
And, on each ice build-up tank 53, be connected with above-mentioned seawater ingress pipe 48, the seawater that pump 48a by this seawater ingress pipe 48 imports is supplied with ice build-up tank 53 continuously, is circulated in each ice making coil 52 by the cold-producing medium that is cooled off with heat exchanger 51 that is heated simultaneously, on its surface seawater is freezed.In addition, on each ice build-up tank 53, be connected with drainpipe 54, the non-supply seawater that freezes part is got rid of as waste liquid, simultaneously in getting rid of the way, carry out heat interchange with giving the water end (W.E.) seawater on the set plumbing heat exchanger 55, precooling is carried out in feedwater.
And then, on ice build-up tank 53, connect fresh water vent pipe 56, the fresh water that produces when the ice of the shallow freezing of ice making coil 52 dissolves is later on discharged, by this fresh water vent pipe 56 fresh water is discharged to fresh water storagetank 57 ends.Fresh water vent pipe 56 is connected to seawater ingress pipe 48 through freezing pipe portion, cuts off stream by valve 59a, 59b, the 59c that is provided with on these pipes, can make the fresh water of storing in the fresh water storagetank 57 turn back to ice build-up tank 53 by seawater ingress pipe 48.This fresh water that returns is as described below to be used for the ice in the ice build-up tank 53 contact with the surface flow of ice before dissolving except that freshen.
Also have, in ice build-up tank 53, be connected with the hot loop 60 that loop-like pipe arrangement constitutes, make because heat of vaporization is taken out in the CFW circulation that the dissolving of ice produces.This hot loop 60 has the CFW circulation and reaches the switching valve 62 that is provided with in the CFW exit of each ice build-up tank 53 with pump 61, can select to take out CFW and make its circulation from each ice build-up tank 53.And, in hot loop 60, being connected with the above-mentioned CFW of installing on the water cooling system pipe arrangement 14 that coagulates and carrying cooling device 47, the seawater 15 of the cooling usefulness of cryophorus etc. can be by cooling off with the heat interchange of CFW in this CFW is carried cooling device 47.Connect other heat exchanger 63 in addition in hot loop 60, this heat exchanger 63 can carry out heat interchange with the fresh water vent pipe 56 interior fresh water that flow.
In such formation, for example night etc. electricity needs after a little while, carry out ice making by ice build-up tank 53.At this moment as ice making with the seawater that imports by heat exchanger 55 precoolings, supply with ice build-up tank 53, carry out heat interchange with the cold-producing medium of the internal flow of ice making coil 52, be frozen on the surface of ice making coil 52.When forming certain thickness ice sheet on the surface of ice making coil 52, stop the refrigerant cycle of hot loop 50, through heat exchanger 55 seawater in the ice making layer 53 is discharged.This ice making effect is carried out according to this by each ice build-up tank 53.
For example electricity needs by day under the state of the surface attachment of ice making coil 52 ice, is injected into fresh water the ice build-up tank 53 from fresh water storagetank 57 for a long time, at first cleans the salinity that adheres on the ice surface etc., discharges as waste liquid through heat exchanger 55.After cleaning salinity and finishing, the CFW that will ice dissolving by each ice build-up tank 53, cools off the seawater 15 of cryophorus cooling usefulness, so that make the raising of generating set efficient in 47 cocycles of CFW conveying device by hot loop.After fresh water after the cooled with seawater carries out heat interchange by heat exchanger 63, import in the fresh water storagetank 57.
Fig. 8 has represented the example of another kind of different indirect mode in detail, and the seawater of acquisition mode freezes the fresh water makeup and puts 46 (46a).
Freeze the fresh water makeup at this seawater and put among the 46a, in ice build-up tank 53, have ice making control panel 64, carry out ice making by this ice making control panel 64.Be that seawater carries out precooling by heat exchanger 55, supply with the top of the ice making control panel 64 of ice build-up tank 53, in the outside that is downward through making sheet panel 64, carry out heat interchange, freeze with the cold-producing medium that flows through in the ice making control panel 64.Waste liquid is discharged after the heat interchange carrying out on the heat exchanger 55.When forming certain thickness ice sheet on the surface of ice making control panel 64, stop the refrigerant cycle and the sea water supply of hot loop, on other ice build-up tank 53, carry out the ice making operation according to this.Taking-up utilization to the heat of vaporization of separating ice is identical substantially with the situation of Fig. 7.
This enforcement as mentioned above, cool off by storing ammonia or the latent heat storage particle mixed phase medium that the heat of vaporization that is taken place when 5 pairs of heat of vaporization conversion equipments gasify with liquefied air carries out heat interchange, this heat of vaporization is flowed to seawater to be freezed fresh water makeup and puts 46, make fresh ice from seawater, and store, daytime etc. is taking place during the electricity needs of peak, freeze fresh water makeup and put and spray fresh water in the ice in 46 and make CFW being stored in seawater, make this fresh water carry cooling device 47 cocycles, remove the seawater 15 of the condensate trap 24 cooling usefulness of cryophorus 9 that cooling of atoms can generating set 1 and absorption type refrigerating unit 2 at CFW.
Therefore, according to present embodiment, except the effect of above-mentioned the 3rd embodiment, daytime etc. is taking place during the electricity needs of peak, with the ice of storing the cooling of the cryophorus 9 of atomic energy generating equipment 1 is cooled off with seawater 15, by reducing the output efficiency that the steam turbine top hole pressure improves steam turbine, also can obtain to make the effect of fresh water etc. simultaneously.
The 7th embodiment (Fig. 9)
Fig. 9 is system's pie graph of the 7th embodiment of the present invention.
As shown in Figure 9, the system of present embodiment is except the formation of the 6th embodiment, also be provided with the hot conveying loop 65 of carrying cooling device as CFW, make cooling freeze the fresh water makeup from seawater and put 46 to 46 circulations of the inhibition pond of atomic energy generating equipment 1 with cold-producing medium.
That is, seawater is freezed fresh water makeup put the CFW of the ice thaw of 46 fresh water of storing and circulate in the inhibition pond 41 of atomic energy generating equipment 1 by hot conveying loop 65, go to cool off as the urgent Chi Shui of usefulness reactor core chilled water by this heat of vaporization as cold-producing medium.
According to such formation, when demand is promptly cooled off with reactor core, make by fresh water contact etc. and to be stored in seawater and to freeze the fresh water makeup and put ice thaw in 46, make CFW, this CFW is circulated in the inhibition pond 41 of atomic energy generating equipment 1, thereby can reduce the urgent temperature that suppresses pond 41 with the reactor core chilled water.
Therefore, present embodiment is except the 6th embodiment effect, owing to the urgent temperature with the reactor core chilled water in the inhibition pond 41 that has reduced atomic energy generating equipment 1, so can improve the security of atomic energy generating equipment 1.By making the stored liquid air gasification, can freeze the fresh water makeup with seawater and put 46 manufacturings of icing in addition, can generate electricity by expansion type turbine 37 simultaneously, so the security system of dealing with the power supply forfeiture also can be provided.
The 8th embodiment (Figure 10 and Figure 11)
Figure 10 is expression, and system's pie graph of the present invention the 8th embodiment, Figure 11 are the explanations of representing the pith of Figure 10 in detail.
As shown in figure 10 in the system of present embodiment, liquefied air manufacturing installation 3 replaces the liquefied air of the 1st embodiment to make device 31, have the cryogenic air separation plant 66 of also making liquid oxygen and liquid nitrogen when making liquid air, except that liquefied air storagetank 4, also have liquid oxygen storagetank 67 and liquid nitrogen storagetank 68 and constitute.
And, when electricity needs descends, use dump power and heat energy when making liquid air, also to make liquid oxygen and liquid nitrogen, be stored in respectively in each storagetank 67,68; When electricity needs increases, gasification of liquid oxygen and liquid nitrogen, the chilled water of the cryophorus 9 of cooling of atoms energy generating set 1 and the condensate trap 24 of absorption type refrigerating unit 2, while liquid oxygen can be used as the burning of unillustrated fossil fuel fuel-burning power plant among the figure and use and other purposes uses.In addition, liquefied air manufacturing installation 3 is the same with the 1st embodiment, has with absorption type refrigerating unit 2 to carry out the 1st heat-exchange device 29 of heat interchange, the 2nd heat-exchange device 30 of storage heat of vaporization conversion usefulness etc.
Figure 11 has represented to constitute the 1st, the 2nd heat- exchange device 29,30 and cryogenic air separation plant 66 of liquefied air manufacturing installation 3 in detail, and the formation of storing heat of vaporization conversion equipment 5, liquefied air storagetank 4, liquid oxygen storagetank 67 and liquid nitrogen storagetank 68 etc.
At first, have leading portion refrigeratory 69, refining plant 70 and back segment refrigeratory 71 etc. in the formation of the 1st heat-exchange device 29.In leading portion refrigeratory 69, pass through the refrigerant cools of absorption type refrigerating unit 2 by the air a in the atmosphere of compressor 28 compressions.This cooled air by refining plant 70 remove carbon dioxide packing refining after, by being incorporated in the back segment refrigeratory 71 after motor 72 compressor driven 73 high pressure compressed.In back segment refrigeratory 71, the air of importing and the heat of vaporization device 23 of absorption type refrigerating unit 2 between.After carrying out heat interchange and cool off again through the described cold-producing medium of the 1st embodiment, be sent in the 2nd heat-exchange device 30.
Have in the formation of the 2nd heat-exchange device 30: a pair of heat exchanger 74,75 of the series arrangement that the air that the 1st heat-exchange device 30 is sent cools off; The expansion type turbine 76 that the part of air that the heat exchanger 74 of upper reaches end is wherein discharged is bled and imported; Store in each heat exchanger 74,75 by from storing the heat of vaporization of heat of vaporization conversion equipment 5, air is cooled to below the oxygen gasified temperature.Through the cooling air of two heat exchangers 74,75, import the low-pressure distillation tower of following cryogenic air separation plant 66, and be incorporated into middle the pressure in the rectification column equally through the air of expansion type turbine 76.Store liberated heat in the air by heat interchange in heat-storage groove 76,77, this heat is as the gasification thermal source of the liquefied air of back.
Then, the formation of cryogenic air separation plant 66 comprises: compound rectifying column 81, it have the low-pressure distillation tower 79 that will be separated into oxygen and nitrogen from the cooling air that the 2nd heat-exchange device 30 imports and pressure rectification column 80; Dirty end connects on this compound rectifying column 81 subcooler 82, a plurality of expansion valve 83,84,85,86,87; Gas-liquid separator 88,89.And, part through the cooling air of two heat exchangers 74,75 of the 2nd heat-exchange device 30, through pressing in the rectification column 80 in expansion valve 83 importings, and the cooling air of another part of this cooling air and process expansion type turbine 76, be directed in the low-pressure distillation tower 79 through subcooler 80 and another expansion valve 84.
In low-pressure distillation tower 79, isolate oxygen from cooling air, stay tower bottom with liquid 90 storages, residual air (not purity nitrogen) been separated in top of tower.The liquid oxygen of tower bottom is given subcooler 82 by after the supercooling, is expanded by expansion valve 85, is stored in then in the liquid oxygen storagetank 67.
Be separated into nitrogen and oxygen in middle pressure rectification column 80, the liquid oxygen 90 that tower bottom is stayed in storage imports in the low-pressure distillation tower 79 through subcooler 82 and expansion valve 84, with liquid oxygen 90 interflow of this tower bottom, in importing liquid oxygen storagetank 67 after the above-mentioned same taking-up.Separated nitrogen takes out from top of tower with the device of gas in middle pressure rectification column 80 on the other hand, in subcooler 82 by supercooling, after further being expanded to atmospheric pressure by expansion valve 86, import in the gas-liquid separator 88, be stored in the liquid nitrogen storagetank 68 with liquid nitrogen 91 at this separated liquid phase part.
After being inflated by expansion valve 87 by the air (not purity nitrogen) of 79 gas separated states of low-pressure distillation tower, import other gas-liquid separator 89 and carry out gas-liquid separation.Then, liquid phase part is stored in the liquefied air storagetank 4 with liquefied air 92, and the gas phase that the gas phase part is separated with above-mentioned gas-liquid separator 88 is partly collaborated, and runs out with gas air, nitrogen 93.
The liquefied air 92 that is stored in the liquefied air storagetank 4 is supplied with storage heat of vaporization conversion equipment 5 when electricity needs increases, accept the gasification of above-mentioned the 2nd heat-exchange device 30.Promptly, store heat of vaporization conversion equipment 5 and have the force (forcing) pump 94 of force feed liquefied air 93 and evaporator 95 etc., by heat exchanger 74,75 storing heat of sending here of heat-storage groove 77,78 is added in the liquefied air of being sent here by evaporator 95 92, like this, liquefied air is gasified, and supplies with the cooled with seawater heat-exchange device 6 that the cooling of condensate pump etc. is cooled off with seawater.By the heat of vaporization that gasification took place of this liquefied air 92, be stored in the heat-storage groove 77,78 with heat of vaporization, when making liquid air when electricity needs such as night reduce, the heat of vaporization of this storage can be used as the air cooling conversely and utilizes.
The 8th above embodiment and the 1st above-mentioned embodiment have same action effect, promptly utilize cryogenic air separation plant 66 to make liquid air 92, the chilled water of the cryophorus 9 of cooling of atoms energy generating set 1 and the condensate trap 24 of absorption type refrigerating unit 2, can improve turbine efficiency etc., in addition with make liquid air 92 the time, can make liquid oxygen 90 and liquid nitrogen 91, can obtain this liquid oxygen 90 is used in other combustion of fossil fuel formula generating set, and liquid nitrogen 91 is carried out various advantages such as commercialization.
The 9th embodiment (Figure 12)
Figure 12 is system's pie graph of expression the present invention the 9th embodiment.
Shown in Figure 12 was, the system of present embodiment had in constituting: atomic energy generating equipment 1; Will from the stage casing of the gas-turbine 8 of this atomic energy generating equipment 1 bleed the pressure steam as the absorption type refrigerating unit 2 of thermal source; Ice is stored cooled with seawater device 39, carry out heat interchange by cold-producing medium with this absorption type refrigerating unit 2, make ice and also stored, the cryophorus 9 of this ice and atomic energy generating equipment 1 and the condensate trap 24 employed seawater 15 of absorption type refrigerating unit 2 are carried out heat interchange.
Promptly, there is not liquefied air manufacturing installation 3 in the present embodiment, the heat of vaporization that the carburetor 23 of absorption type refrigerating unit 2 is taken place by hot conveying loop 96 is directly supplied with ice and is stored cooled with seawater device 39, and the part of seawater 15 is carried out freezing manufacturing ice, like this seawater is cooled off.In addition, in Figure 12 schematic representation absorption type refrigerating unit 2 identical with the situation of the 1st embodiment shown in Figure 1.Freezing etc. identical about round-robin in ice is stored cooled with seawater device 39 and hot conveying loop 96 with the 3rd embodiment shown in Figure 3.
In the present embodiment, when electricity needs reduces, utilize dump power and the heat energy running absorption type refrigerating unit 2 and the ice storage cooled with seawater device 39 of above-mentioned this atomic energy generating equipment 1, ice is made and stored; On the other hand when electricity needs increases, utilize ice to store the ice of storing in the cooled with seawater device 39, the cooling of the condensate trap 24 of the cryophorus 9 of atomic energy generating equipment 1 and absorption type refrigerating unit 2 is cooled off with seawater 15.Present embodiment is the same with the various embodiments described above, utilize night etc. dump power and heat energy in absorption type refrigerating unit 2, make heat of vaporization, make and store ice by this heat of vaporization; When daytime electricity needs ice is dissolved seawater 15 cooling, by cooling, the power efficiency of steam turbine 8 is improved with the seawater 15 of cooling to cryophorus 9 grades.The electric power of generation is increased, at this moment can obtain not have the advantages such as easy formation of liquid air manufacturing installation.
The 10th embodiment (Figure 13)
Figure 13 is system's pie graph of expression the present invention the 10th embodiment.
As shown in figure 13, the formation of the system of present embodiment is the distortion of the 9th embodiment, has at the carburetor 23 and the ice of absorption type refrigerating unit 2 to store circulation latent heat medium 97a between the cooled with seawater device 39, stores the latent heat storage facility 97 of heat of vaporization.And when descending, electricity needs utilize dump power and heat energy that heat of vaporization is stored in the latent heat storage facility 97, make cold-producing medium store circulation the cooled with seawater device 39 by hot conveying loop 96 from latent heat storing device 97 simultaneously, store cooled with seawater device 39 by ice and make and store ice at ice; When electricity needs increases, store in the cooled with seawater device 39 at ice the cooling of the condensate trap 24 of the cryophorus 9 of atomic energy generating equipment 1 and absorption type refrigerating unit 2 is cooled off with seawater 15.
In addition, in the system of present embodiment, draw duplexure 98 from hot conveying loop 96, can make when urgent cold-producing medium from latent heat storage facility 97 to atomic energy generating equipment 1 inhibition pond circulate, heat extraction.
In the present embodiment, latent heat storing device 97 employed latent heat medium 97a can use ammonia or latent-heat storage mix particles medium as round-robin cold-producing medium in hot conveying loop 96 and the duplexure 98.
Present embodiment holds in the heat of utilizing latent heat storage facility 97, the same on the ice this point of manufacturing and storage seawater 15 with above-mentioned the 9th embodiment, cryophorus by atomic energy generating equipment 1 etc. cools off, can improve the output efficiency of steam turbine 8, the electric power that increase to produce is simultaneously when the state of affairs that makes promptly with the core cooling system action, by the heat of vaporization of taking-up latent heat storage facility 97, the stove heart chilled water that suppresses pond 41 is cooled off, can improve the security of nuclear reactor.
The 11st embodiment (Figure 14-Figure 16)
The system of present embodiment is provided with recycling mixed-media generating set of mixed-media and cold-producing medium manufacturing installation, with the absorption system 2 that replaces the 1st embodiment.
Figure 14 is the pie graph of the entire system of expression present embodiment, and Figure 15 is a key diagram of representing pith in detail.Figure 16 is the key diagram of expression Figure 15 variation.
As shown in figure 14, the formation of present embodiment roughly has: atomic energy generating equipment 1; With the discharge steam of the steam turbine 8 of this atomic energy generating equipment 1 as the mixed-media generating set 99 of the recycling water ammonia mixed-media of thermal source with utilize the cold-producing medium manufacturing installation 100 of high strength ammonia steam; By utilizing the cold-producing medium of making by this cold-producing medium manufacturing installation 100 to cool off the liquefied air manufacturing installation 3 that makes liquid air; Storage is by the liquefied air storagetank 4 of the liquefied air of these liquefied air manufacturing installation 3 manufacturings; Resulting heat of vaporization and resulting heat of condensation when making air setting when keeping in this liquefied air storagetank 4 the stored liquid air gasification respectively by liquefied air manufacturing installation 3, these use the heat of its maintenance to carry out the storage heat of vaporization conversion equipment 5 of heat interchange as the time spent in performance; Make the cooled with seawater heat-exchange device 6 as water quench heat-exchange device of the heat of vaporization of seawater that uses in atomic energy generating equipment 1, mixed-media generating set 99 and the cold-producing medium manufacturing installation 100 and the air of discharging by the heat interchange cooling from liquefied air storagetank 4.And, the dump power of the generating set that uses atomic energy when electricity needs reduces by 1 and heat energy make 3 runnings of liquefied air manufacturing installation, be stored in after making liquid air in the liquefied air storagetank 4, make mixed-media generating set 99 and 100 runnings of cold-producing medium manufacturing installation make cold-producing medium simultaneously; And when electricity needs increases, utilize from liquefied air storagetank 4 discharge, the air of gasification cools off with seawater the cooling of the condensed device of the cryophorus that is added to atomic energy generating equipment 1 and mixed-media generating set 99.
That is, atomic energy generating equipment 1 constitutes generator 11 coaxial being connected on the steam turbine 8 by nuclear reactor 7, steam turbine 8, main circulation pump 10 etc.And the saturated vapor driving steam turbine 8 that generates in nuclear reactor 7 generates electricity, and the exhaust of steam turbine 8 becomes condensate water in the mixed-media circulation portions of mixed-media generating set 99, is circulated by main circulation pump 10 pressurizations.
Mixed-media generating set 99 has: carry out the mixed-media circulation portions 101 that heat is carried the ammonia steam that generates high concentration by the exhaust of the steam turbine 8 of atomic energy generating equipment 1; By the mixed-media steam turbine 102 that drives at the ammonia steam of this generation; With these mixed-media steam turbine 102 coaxial generators that are connected 103.The ammonia steam that is generated by mixed-media circulation portions 101 is transported to cold-producing medium manufacturing installation 100, after using in following cooling or heating etc., turns back to mixed-media circulation portions 101.
Utilize the ammonia steam of high concentration to make cold-producing medium in cold-producing medium manufacturing installation 100, this cold-producing medium passes through circulation in the 1st heat-exchange device 29 at liquefied air manufacturing installation 3, the heat of vaporization of delivering liquid air manufacturing usefulness through overheated conveying loop 32.
Figure 15 has represented the formation of mixed-media generating set 99, cold-producing medium manufacturing installation 100 etc. in detail.
As shown in figure 15, mixed-media circulation portions 101 has: the mixed-media well heater 104 that the steam of discharging by the steam turbine 8 of atomic energy generating equipment 1 heats water ammonia mixed-media; The mixture that the ammonia concentration that this mixed-media well heater 104 is evaporated is high becomes the low pressure condensate trap 105 of condensed fluid after mixed-media turbine 102 drives; Make the mixed-media that becomes condensed fluid by this low pressure condensate trap 105 be back to medium lift pump 106 and high-pressure pump 107 in the mixed-media well heater 104; MP (medium pressure) separator 108 and the middle pressure condensate trap 109 between pump 106,107, installed; A plurality of throttling valve 110,111,112,113.
And, exhaust inflow low pressure condensate trap 105 when mixed-media turbine 102, after 114 coolings of the heat exchange department of low pressure cold lime set are arranged by flowing, with the post-decompression Liquid Absorption of mixed-media, the mixing of the low concentration ammoniacal liquor that separates in MP (medium pressure) separator 108, there is the heat exchange department 115 of seawater to be cooled at stream again and becomes the low pressure cold lime set.The low pressure cold lime set is shunted after by medium lift pump 106 pressurization, and wherein one the tunnel carries out heat interchange in the pipe arrangement as the heat exchange department 114 of low-pressure condenser 105, imports MP (medium pressure) separator 108, and another road is directed in the MP (medium pressure) separator 109.The condensed fluid that flows in the MP (medium pressure) separator 108 is steam and liquid by minute gold-plating, and liquid turns back to low-pressure condenser 71 through throttling valve 112, and steam is directed in the MP (medium pressure) separator 109.In MP (medium pressure) separator 109, flow into cooling in the heat exchange department 116 that marine stream is arranged, pressure condensed fluid in becoming with the state that mixes by the steam of MP (medium pressure) separator 109 separation and the shunting of low pressure cold lime set.The middle condensed fluid of pressing is back in the mixed-media well heater 104 through throttling valve 113 by high-pressure pump 107.
On the other hand, cold-producing medium manufacturing installation 100 is made of knockouts 117, expansion valve 118, evaporator 119 etc.And the high strength ammonia steam that is evaporated by mixed-media well heater 104 is imported to by shunting in the knockouts 117 at the upper reaches of mixed-media turbine 102 end, and heat exchange department 120 coolings by marine stream is arranged generate condensed liquid.This condensed liquid imports in the evaporator 119 after being inflated valve 118 disconnected thermal expansions.In evaporator 119, be heated into steam by heat exchange department 121, the flowing cold-producing medium of the object heating that is carried out cooling of this heat exchange department 121.Collaborate at the steam of this generation and the steam discharge of mixed-media turbine 102, import low pressure condensate trap 105.
In constituting like this, when night electricity needs after a little while, water ammonia mixed-media is heated in mixed-media well heater 104, the mixed-media shunting back that the ammonia concentration of evaporation is high imports in mixed-media turbine 102 and the cold-producing medium manufacturing installation 100.Drive mixed-media turbine 102, the exhaust that becomes the mixed-media of low temperature, low pressure imports low pressure condensate trap 105 becomes the low pressure cold lime set.This low pressure cold lime set for be separated into the part that imports MP (medium pressure) separator 108 as the low mixed-media of ammonia concentration and import in press the part of condensate trap 109.The middle pressure condensed fluid that is generated by middle pressure condensate trap 109 is back in the mixed-media well heater 104 by high-pressure pump 107 pressurizations.
In addition, the mixed-media steam that imports in the cold-producing medium manufacturing installation 100 becomes liquid by cooled with seawater in knockouts 117, forms cold-producing medium by expansion valve 118 and imports in the evaporator 119.The cold-producing medium that forms steam by evaporator 119 by and the 1st heat-exchange device 29 of liquefied air manufacturing system 3 between the hot transport medium heating of round-robin, evaporation.The steam of Sheng Chenging collaborates with the exhaust from mixed-media turbine 102 like this, carries out and above-mentioned same processing.
In addition, when daytime electricity needs for a long time, not that the high mixed-media steam of ammonia concentration that mixed-media well heater 104 is generated imports cold-producing medium manufacturing installation 100, but all import in the mixed-media turbine 102, generate electricity by the driving of mixed-media turbine 102.In addition, the air that will store 5 gasifications of heat of vaporization conversion equipment imports in the cooled with seawater heat-exchange device 6, injects seawater 15 to its cooling, imports in the low pressure condensate trap 105 of mixed-media generating set 99 to carry out heat interchange.At this moment, because seawater 15 has become low temperature, so export department's temperature of mixed-media turbine 102 reduces, can improve the efficient of turbine, increase generated energy, be of great use during to the peak power demand.
Therefore, present embodiment is except the effect of the 1st embodiment, owing on mixed-media generating set 99, also generate electricity, therefore compare with the situation of steam turbine power generation and can improve the thermal efficiency, store ice-cooled seawater 15 supply low pressure condensate traps 105 by using simultaneously, the top hole pressure of mixed-media turbine 102 is reduced, can improve the efficient of mixed-media generating set 99, play the effect that increases generated energy.
Figure 16 represents the variation of present embodiment.
That is, compare with above-mentioned system shown in Figure 15 and have the high-pressure separator 122 that the mixed-media by 104 evaporations of mixed-media well heater is separated in this example.Have absorber 123 and condensed device 124 in the formation of low pressure condensate trap 105, heat exchanger 125 is housed at condensed fluid current return circuit from this low pressure condensate trap 105.And, after cooling off, the refrigerating fluid that is separated by MP (medium pressure) separator 108 imports absorber 123 on heat exchanger 125 with exhaust from mixed-media turbine 102.In MP (medium pressure) separator 108, flow into the liquid refrigerant that separates by high-pressure separator 122.And then, have knockouts 126 and expansion valve 127 during cold-producing medium manufacturing installation 100 constitutes, the steam that is separated by MP (medium pressure) separator 108 is divided into the path of the evaporator 121 that imports cold-producing medium manufacturing installation 100 and separates the path in the stage casing that imports mixed-media turbine 102 halfway through knockouts 126 and expansion valve 127.
In such formation, in mixed-media well heater 104, carry out heat interchange with the exhaust of steam turbine 8, mixed-media separates high steam and the low liquid of concentration of ammonification concentration by high-pressure separator 122.Steam imports in the mixed-media turbine 102, drives mixed-media turbine 102 and generates electricity, and its exhaust imports in the absorber 123 of low pressure condensate trap 105.In this absorber 123.Carry out heat interchange by liquid and turbine exhaust that MP (medium pressure) separator 108 is separated, mix after the decompression and absorb.In condensed device 124, having on the heat exchange department 128 of marine stream and carrying out heat interchange, by condensing generation low pressure cold lime set.The low pressure cold lime set is by high-pressure pump 107 pressurization, splits into part that is back in the mixed-media well heater 104 and the part that is flowed into MP (medium pressure) separator 108 by reduction valve 130 decompression backs carry out heat interchange with the parting liquid of MP (medium pressure) separator 108 in the heat exchange department 129 of heat exchanger 125 after.The liquid that is separated by high-pressure separator 121 is reduced pressure by another reduction valve 131, flow in the MP (medium pressure) separator 108.The steam that is separated by this MP (medium pressure) separator 108 imports the intermediate pressure section of mixed-media turbine 102, and after the liquid that separates cool off in the heat exchange department 129 of heat exchanger 125, in throttling valve 132 importing absorbers 123.
In cold-producing medium manufacturing system 100, the steam that the ammonia concentration of being separated by high-pressure separator 121 is high imports in the knockouts 117, condenses into liquid in the heat exchange department 120 that marine stream is arranged, and forms cold-producing medium by expansion valve 118 and imports in the evaporator 119.In this evaporator 119, import the high steam of ammonia concentration that separates by MP (medium pressure) separator 108 through knockouts 126.At this moment, make steam in the heat exchange department 133 that marine stream is arranged, condense into liquid, form cold-producing medium inflow evaporator 119 by expansion valve 127 by knockouts 126.In evaporator 119, having in the heat exchange department 121 by the flow of refrigerant of cooling off the object heating and carrying out heat interchange, generating steam.The steam that generates imports in the absorber 123.
Such formation also can obtain above-mentioned same effect.
The 12nd embodiment (Figure 17)
Present embodiment has been deleted the liquefied air manufacturing installation 3 among the 11st embodiment, the substitute is to be provided with latent heat storage facility 97 shown in Figure 13, and cooled with seawater heat-exchange device 39 is changed to ice storage cooled with seawater device 39.And between latent heat storage facility 97 and cold-producing medium manufacturing installation 100 and ice storage cooled with seawater device 39, by hot conveying loop 96,134 connections of ammonia or latent-heat storage mix particles medium.
According to such formation, when night electric power need to make cold-producing mediums by cold-producing medium manufacturing installation 100 after a little while, in latent heat storage facility 97, carry and storing refrigerant by ammonia or latent-heat storage particle mixed phase medium, the heat of vaporization that latent heat storage facility 97 is stored is transported to ice by ammonia or latent-heat storage particle mixed phase medium and stores in the cooled with seawater device 39, stores after can utilizing apparatus for supercooling to generate ice by seawater 15.
And, when daytime electric power need for a long time, make to be stored in the ice that ice stores in the cooled with seawater device 39 and to dissolve, mix the temperature that reduces seawater 15 with seawater 15, the condensate trap of mixed-media generating set 99 is cooled off.Carry out the condensate trap cooling by seawater 15, just can reduce the outlet back pressure of mixed-media turbine 102, can improve the efficient of this mixed-media turbine 102, increase generated energy, and then deal with the increase that daytime, electric power needed with low temperature.
In above each embodiment, used with the generating set of nuclear reactor as thermal source, but the scope of application of the present invention is not limited to this, is extensive use of in the cryophorus of the steam turbine in the time of can forming the temperature cascade of combustion gas turbine, water vapor turbine in gas cooled high temperature furnace generating set, combustion of fossil fuel generating set, discarded object generating set etc.

Claims (13)

1, a kind of heat storage load normalizing electricity generation system is characterized in that:
This system comprises: generating set; Will from the stage casing of the turbine of this generating set bleed the pressure steam as the absorption type refrigerating unit of thermal source; By carrying out air cooled liquefied air manufacturing installation with the heat interchange of the cold-producing medium of this absorption type refrigerating unit; Storage is by the liquefied air storagetank of the liquefied air of this liquefied air manufacturing installation manufacturing; During with this liquefied air storagetank institute stored liquid air gasification resulting heat of vaporization and when making air setting by above-mentioned liquefied air manufacturing installation resulting heat of condensation keep and the storage heat of vaporization conversion equipment that when their each self-applyings, uses it to keep heat to carry out heat interchange respectively; The heat of vaporization of the air that chilled water that uses in the condensate trap of the cryophorus of above-mentioned generating set and above-mentioned absorption type refrigerating unit and above-mentioned liquefied air storagetank are discharged is by the water quench heat-exchange device of heat interchange cooling,
When electricity needs reduces, utilize the dump power and the heat energy of above-mentioned generating set, above-mentioned absorption type refrigerating unit and above-mentioned liquefied air manufacturing installation make liquid air by turning round, be stored in the above-mentioned liquefied air storagetank, and when electricity needs increases, utilization is discharged and through the air of gasification from above-mentioned liquefied air storagetank, removes to cool off the chilled water of the condensate trap of the cryophorus of supplying with above-mentioned generating set and above-mentioned absorption type refrigerating unit.
2, the heat storage load normalizing electricity generation system of putting down in writing as claim 1 is characterized in that:
Between above-mentioned storage heat of vaporization conversion equipment and above-mentioned water quench heat-exchange device, be provided with will gasification air as the expansion type turbine power generation equipment of working fluid.
3, the heat storage load normalizing electricity generation system of being put down in writing as claim 1 or 2; it is characterized in that: at the chilled water upper reaches of above-mentioned water quench heat-exchange device end; be provided with ice and store the water quench device; resulting heat of vaporization was made ice when it supplied with the liquefied air gasification from above-mentioned storage heat of vaporization conversion equipment, utilized ice and the above-mentioned chilled water made to carry out heat interchange simultaneously.
4, the heat storage load normalizing electricity generation system of being put down in writing as claim 1 or 2; it is characterized in that: be provided with ice and store the urgent reactor core cooling device of using; make by the cold-producing medium with above-mentioned absorption type refrigerating unit and carry out heat interchange, the ice that will make when making ice is supplied with the inhibition pond of above-mentioned generating set.
5, the heat storage load normalizing electricity generation system of being put down in writing as claim 1 or 2; it is characterized in that: be provided with ice and store the urgent reactor core cooling device of using; make by the heat of vaporization with above-mentioned storage heat of vaporization conversion equipment to exchange, the ice that will make when making ice is supplied with the inhibition pond of above-mentioned generating set.
6, the heat storage load normalizing electricity generation system of being put down in writing as claim 1 or 2; it is characterized in that: above-mentioned liquefied air manufacturing installation has the cryogenic air separation plant of making liquid oxygen and liquid nitrogen when making liquid air again, and also has liquid oxygen storagetank and liquid nitrogen storagetank outside above-mentioned liquefied air storagetank.When electricity needs descends, make liquid oxygen and liquid nitrogen when utilizing dump power and heat energy to make liquid air, be stored in respectively in above-mentioned each storagetank; When electricity needs increases, above-mentioned liquefied air and above-mentioned liquid nitrogen gasify, chilled water to the condensate trap of the cryophorus of above-mentioned generating set and above-mentioned absorption type refrigerating unit cools off, and above-mentioned liquid oxygen is used as the burning of fossil fuel steam power plant simultaneously.
7, a kind of heat storage load normalizing electricity generation system is characterized in that:
This system comprises: generating set; From the stage casing of the turbine of this generating set bleed the pressure steam as the absorption type refrigerating unit of thermal source; Carry out heat interchange by cold-producing medium with this absorption type refrigerating unit, store when making ice, the chilled water that uses in the cryophorus of this ice and above-mentioned generating set and the condensate trap of above-mentioned absorption type refrigerating unit carries out the ice of heat interchange and stores the water quench device.
When electricity needs descends, utilize turn round above-mentioned absorption type refrigerating unit and above-mentioned ice of the dump power of above-mentioned generating set and heat energy to store water quench device, manufacturing of icing and storage; And when electricity needs increases, utilize above-mentioned ice to store the ice of storing in the water quench device, remove to cool off the chilled water of the condensate trap of the cryophorus of above-mentioned generating set and above-mentioned absorption type refrigerating unit.
8, the heat storage load normalizing electricity generation system of putting down in writing as claim 7 is characterized in that:
Between above-mentioned absorption type refrigerating unit and above-mentioned ice storage water quench device, has the latent heat storage facility that makes the circulation of latent heat medium and store heat of vaporization, when electricity needs descends, when utilizing the latent heat medium of dump power and heat energy cooling latent heat storage facility and storing heat of vaporization, from above-mentioned latent heat storage facility cooling medium is stored the water quench device at above-mentioned ice and circulated, store the water quench device by above-mentioned ice and make and store ice; When electricity needs increases, the cryophorus of above-mentioned generating set and the chilled water of above-mentioned absorption type refrigerating unit condensate trap are stored the cooling of water quench device by above-mentioned ice.
9, a kind of heat storage load normalizing electricity generation system is characterized in that:
This system comprises: generating set; The steam of bleeding with the stage casing of the low pressure turbine of this generating set or row's steam of high pressure turbine are as the mixed-media generating set of the recycling water ammonia mixed-media of thermal source and utilize the cold-producing medium manufacturing installation of high strength ammonia steam; By utilizing cold-producing medium to cool off the liquefied air manufacturing installation that makes liquid air by this cold-producing medium manufacturing installation manufacturing; Storage is by the liquefied air storagetank of the liquefied air of this liquefied air manufacturing installation manufacturing; The heat of condensation that obtains when keeping solidifying air respectively, and the storage heat of vaporization switch that uses it to keep heat to carry out heat interchange when this works at them by the heat of vaporization that obtains during the stored liquid air gasification in this liquefied air storagetank with by above-mentioned liquefied air manufacturing installation; Make between the heat of vaporization of the air that the chilled water that uses in above-mentioned generating set, mixed-media generating set and the cold-producing medium manufacturing installation and above-mentioned liquefied air storagetank discharge the water quench heat-exchange device that cools off by heat interchange.
When electricity needs descends, utilize the dump power of above-mentioned generating set and the heat energy above-mentioned liquefied air manufacturing installation that turns round to make liquid air, be stored in the above-mentioned liquefied air storagetank, turn round simultaneously above-mentioned mixed-media generating set and cold-producing medium manufacturing installation are made cold-producing medium; And when electricity needs increases, utilize the air of discharging the back gasification from above-mentioned liquefied air storagetank, the chilled water of the condensate trap of the cryophorus of delivering to above-mentioned generating set and above-mentioned mixed-media generating set is cooled off.
10, a kind of heat storage load normalizing electricity generation system is characterized in that:
This system comprises: generating set; The steam of bleeding from the stage casing of the low pressure turbine of this generating set or row's steam of high pressure turbine are as the mixed-media generating set of the recycling water ammonia mixed-media of thermal source and utilize the cold-producing medium manufacturing installation of high strength ammonia steam; Storage is by the latent heat storage facility of the heat of vaporization of this cold-producing medium manufacturing installation manufacturing; Be connected on this latent heat storage facility through hot conveying loop, and make the chilled water of sending into to the knockouts of above-mentioned mixed-media generating set store the water quench device with the state storage of ice, the ice of cooling.
When electricity needs descends, utilize dump power and heat energy, cooling is also stored the latent-heat storage particle of above-mentioned latent heat storage facility, and from above-mentioned latent heat storage facility make the latent-heat storage particle and above-mentioned ice store between the cooled with seawater device and circulate manufacturing of icing and storage; When electricity needs increases, store the cooled with seawater device by above-mentioned ice the chilled water of the condensate trap of the cryophorus of above-mentioned generating set and above-mentioned mixed medium generating set is cooled off.
11, as each heat storage load normalizing electricity generation system of putting down in writing in claim 1 or 7 or 9 or 10, it is characterized in that:
Above-mentioned generating set is one of atomic energy generating equipment, gas cooled high temperature furnace generating set, combustion of fossil fuel generating set or castoff burning generating set, when electricity needs increases, the chilled water of the cryophorus of delivering to the steam turbine that uses in these generating sets is cooled off.
12, a kind of electricity-generating method is characterized in that:
The heat storage load normalizing electricity generation system of using claim 1 or 2 or 7 or 9 or 10 or 11 to be put down in writing in each is generated electricity round the clock continuously.
When night, electricity needs descended, utilize the dump power of generating set and heat energy to carry out the storage of heat of vaporization; And when daytime, electricity needs increased, with the heat of vaporization of above-mentioned storage the cryophorus of above-mentioned generating set and the auxiliary device of generating set or the condensate trap of device or the chilled water of knockouts are cooled off.
13, in the electricity-generating method of putting down in writing as claim 12, it is characterized in that:
The chilled water of cryophorus, condensate trap or knockouts uses seawater.
CN 99111647 1998-08-25 1999-08-24 Heat storage load normalizing power generation system and generation method for said system Expired - Fee Related CN1207726C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23880898A JP2000064813A (en) 1998-08-25 1998-08-25 Cold storage type load leveling power generating system and power generating method using this system
JP238808/1998 1998-08-25

Publications (2)

Publication Number Publication Date
CN1252606A CN1252606A (en) 2000-05-10
CN1207726C true CN1207726C (en) 2005-06-22

Family

ID=17035602

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 99111647 Expired - Fee Related CN1207726C (en) 1998-08-25 1999-08-24 Heat storage load normalizing power generation system and generation method for said system

Country Status (2)

Country Link
JP (1) JP2000064813A (en)
CN (1) CN1207726C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102817657A (en) * 2012-09-12 2012-12-12 重庆大学 Heat pipe technology based organic Rankine cycle low-temperature exhaust heat power generating system

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7228715B2 (en) * 2003-12-23 2007-06-12 L'air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Cryogenic air separation process and apparatus
CN101709659A (en) * 2009-09-14 2010-05-19 刘福军 Process for improving efficiency of steam turbine by adopting liquid air as cooling medium
CN101719385B (en) * 2009-12-08 2012-05-09 华北电力大学 Superconductive heat tube type nuclear power heat-clod cogeneration system
US9761337B2 (en) 2010-02-18 2017-09-12 Terrapower, Llc Method, system, and apparatus for the thermal storage of nuclear reactor generated energy
US9748007B2 (en) 2010-02-18 2017-08-29 Terrapower, Llc Method, system, and apparatus for the thermal storage of energy generated by multiple nuclear reactor systems
US10535437B2 (en) 2010-02-18 2020-01-14 Terrapower, Llc Method, system, and apparatus for the thermal storage of nuclear reactor generated energy
US9728288B2 (en) * 2010-02-18 2017-08-08 Terrapower, Llc Method, system, and apparatus for the thermal storage of energy generated by multiple nuclear reactor systems
KR101250516B1 (en) * 2011-09-08 2013-04-03 한전원자력연료 주식회사 passive auxiliary condensing apparatus for nuclear power plant
JP5910349B2 (en) * 2012-06-27 2016-04-27 Ｊｆｅスチール株式会社 Raw material air cooling method and apparatus for air liquefaction separation equipment
FR2990019A1 (en) * 2012-10-12 2013-11-01 Air Liquide Method for separating air by cryogenic distillation in column system, involves slacking super-cooled liquid from column by turbines, and sending diphasic flow product toward column that is operated at lower pressure
FR3015555A1 (en) * 2013-12-20 2015-06-26 Air Liquide METHOD AND APPARATUS FOR GENERATING ELECTRICITY USING A THERMAL OR NUCLEAR POWER PLANT
KR102115054B1 (en) * 2015-06-16 2020-05-26 현대중공업파워시스템 주식회사 Combined cycle power generation system
KR102195228B1 (en) * 2016-05-31 2020-12-28 한국조선해양 주식회사 Combined cycle power generation system
CN108729967B (en) * 2017-04-25 2024-02-06 国家电投集团科学技术研究院有限公司 Nuclear power generation system and control method thereof
CN112627925B (en) * 2020-12-28 2023-03-10 中国长江三峡集团有限公司 Flexible power station based on combination of supercritical carbon dioxide power cycle and seawater desalination and adjusting method thereof
CN113154796B (en) * 2021-03-23 2022-12-09 金川集团股份有限公司 Variable multi-cycle oxygen-nitrogen cold energy utilization device and method for recycling oxygen-nitrogen resources
KR102531725B1 (en) * 2021-03-23 2023-05-11 한국전력기술 주식회사 Liquid air energy storage system linked to Nuclear power plant
CN117570628A (en) * 2023-12-27 2024-02-20 济南金孚瑞热能设备制造有限公司 Efficient refrigerating device for peak shaving and energy storage of virtual power plant

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102817657A (en) * 2012-09-12 2012-12-12 重庆大学 Heat pipe technology based organic Rankine cycle low-temperature exhaust heat power generating system
CN102817657B (en) * 2012-09-12 2014-08-27 重庆大学 Heat pipe technology based organic Rankine cycle low-temperature exhaust heat power generating system

Also Published As

Publication number Publication date
CN1252606A (en) 2000-05-10
JP2000064813A (en) 2000-02-29

Similar Documents

Publication Publication Date Title
CN1207726C (en) Heat storage load normalizing power generation system and generation method for said system
CN1231660C (en) Gas turbine generating system and flow by cooling liquefied natural gas to separate carbon dioxide
CN1112505C (en) Liquefied natural gas (LNG) fueled combined cycle power plant and LNG fueled gas turbine plant
US8020388B2 (en) Method for increasing the efficiency of a combined gas/steam power station with integrated gasification combined cycle
CN102959202B (en) Integrated system, the method for generating and association circulating power generation system
KR101295806B1 (en) Combined cycle power plant utilizing absorption heat pump for improving generating efficiency, and method for controlling thereof
CN1671463A (en) Low emission thermal plant
CN103629854B (en) The ammonia that a kind of heat medium water drives and the integrated absorption type refrigerating unit of lithium bromide and method
KR101619393B1 (en) Composite power generation system
CN101344345B (en) Compression-absorption-diffusion combined refrigerating plant and its refrigeration cycle method
CN109268095B (en) LNG fuel cold energy comprehensive utilization method and system for dual-fuel power ship
CN102320674A (en) Marine cold and heat cogeneration seawater desalting method and equipment
RU2698865C1 (en) Control method and apparatus for generating mechanical and thermal energy
CN1146802A (en) Absorption-type refrigeration systems and methods
CN111473540A (en) Ship waste heat driven CO2Supercritical power generation coupling transcritical refrigeration cycle system
CN1172243A (en) Improved cooling process and installation in particular for liquenfaction of natural gas
CN202547173U (en) Auto-cascade jet-type refrigerator
CN102052101B (en) System for improving performance of an IGCC power plant
AU2012201567B2 (en) Integrated gasification combined cycle system with vapour absorption chilling
AU2011352950A1 (en) Use of refrigeration loops to chill inlet air to gas turbine
JP2010209721A (en) Carbon dioxide recovery type gas turbine plant
CN102136778A (en) Generator and heat pump compound device
US20140020426A1 (en) System and method for using a chilled fluid to cool an electromechanical machine
CN206016979U (en) Seawater cooling, the efficient combustion engine inlet gas cooling device of mixing low-temperature receiver
CN104651004A (en) Energy-saving coal-based natural gas process

Legal Events

Date Code Title Description
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C06 Publication
PB01 Publication
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee