WO2024258230A1 - Système de gestion de compresseurs d'air - Google Patents

Système de gestion de compresseurs d'air Download PDF

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Publication number
WO2024258230A1
WO2024258230A1 PCT/KR2024/008225 KR2024008225W WO2024258230A1 WO 2024258230 A1 WO2024258230 A1 WO 2024258230A1 KR 2024008225 W KR2024008225 W KR 2024008225W WO 2024258230 A1 WO2024258230 A1 WO 2024258230A1
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WO
WIPO (PCT)
Prior art keywords
compressor
power
heat pump
heat
present
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2024/008225
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English (en)
Korean (ko)
Inventor
박경태
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.)
Sookmyung Womens University SWU
Original Assignee
Sookmyung Womens University SWU
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 Sookmyung Womens University SWU filed Critical Sookmyung Womens University SWU
Publication of WO2024258230A1 publication Critical patent/WO2024258230A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B41/00—Pumping installations or systems specially adapted for elastic fluids
    • F04B41/02—Pumping installations or systems specially adapted for elastic fluids having reservoirs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
    • F04C28/28—Safety arrangements; Monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B27/00—Machines, plants or systems, using particular sources of energy
    • F25B27/02—Machines, plants or systems, using particular sources of energy using waste heat, e.g. from internal-combustion engines
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B30/00—Heat pumps
    • F25B30/06—Heat pumps characterised by the source of low potential heat
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2210/00—Fluid
    • F04C2210/10—Fluid working
    • F04C2210/1005—Air

Definitions

  • the present invention relates to a system for managing an air compressor.
  • the inventor(s) of the present invention propose a technology for utilizing an air compressor to compress air and generate heat in a situation where electricity is efficiently used intensively, such as a situation where the electricity price falls below a certain price or a situation where the supply of electricity exceeds demand, with reference to the electricity price situation and the electricity supply situation, and then allowing the produced high-temperature compression heat to be reused in various ways in a compression heat utilization unit.
  • the purpose of the present invention is to solve all of the problems of the above-mentioned prior art.
  • Another object of the present invention is to provide a system including a power situation judgment unit that monitors power supply situations and power price situations to enable power to be used efficiently.
  • Another object of the present invention is to provide a system including a compression utilization device that reuses compression heat generated using an air compressor.
  • Another object of the present invention is to improve the energy utilization efficiency of compression heat by efficiently managing a compressed air storage unit and a plurality of compression utilization devices according to the power situation.
  • a representative configuration of the present invention to achieve the above purpose is as follows.
  • a system including at least one compressor, a compressor control unit for supporting operation of the compressor, and a first power situation determination unit for generating an input signal to the compressor control unit by referring to at least one of power price information and power supply information.
  • the present invention it is possible to provide a system including a power situation judgment unit that monitors power supply situations and power price situations to enable power to be used efficiently.
  • the present invention can provide a system including a compression utilization device that reuses compression heat generated using an air compressor.
  • the present invention can improve the energy usage efficiency of compression heat by efficiently managing a compressed air storage unit and a plurality of compression utilization devices according to the power situation.
  • FIGS. 1 to 6 are drawings exemplarily showing an air compressor management system according to one embodiment of the present invention.
  • FIGS. 1 to 6 are drawings exemplarily showing the internal configuration of a compressed air utilization system according to one embodiment of the present invention.
  • a compressed air utilization system may include a compressor (30), a compressor control unit, and a first power situation determination unit (40).
  • a compressor control unit can perform a function of supporting operation of a compressor (30) when receiving a signal from a first power situation judgment unit (40).
  • a plurality of compressors (30) may be configured in parallel, and some or all of the compressors may be operated in an intermittent operation manner.
  • some of the compressors may be supplied with electricity from a power supply facility and operated normally, and the remaining compressors that are not operated normally may be on standby and operated by a compressor control unit by receiving a signal from the first power situation judgment unit (40).
  • the first power situation judgment unit (40) can generate an input signal to the compressor control unit (35) to support the operation of the compressor (30) when it is efficient to use electricity intensively by obtaining current power price information and predicted power price information from the power price prediction system (50), i.e., when the power price is lower than a preset threshold, or when the power price is predicted to be lower than a preset threshold.
  • the power price prediction system (50) may use various algorithms used in time series regression analysis, such as a multiple linear regression model, a symbolic regression analysis model, a convolutional neural network, a recurrent neural network, an LSTM (Long short time memory) model, a GRU (Gated Recurrent Unit) model, etc., but is not necessarily limited thereto.
  • time series regression analysis such as a multiple linear regression model, a symbolic regression analysis model, a convolutional neural network, a recurrent neural network, an LSTM (Long short time memory) model, a GRU (Gated Recurrent Unit) model, etc., but is not necessarily limited thereto.
  • the first power situation judgment unit (40) can obtain information on the power supply situation from the power balancing system (60). Then, the first power situation judgment unit (40) according to one embodiment of the present invention can generate an input signal to the compressor control unit to support the operation of the compressor, for example, when it is determined that it is efficient to use power intensively based on the obtained information, for example, when the power supply exceeds the power demand.
  • the power balancing system (60) can use a Plus-DR Signal Receiver, but is not necessarily limited thereto.
  • a compressed air storage unit (70) can store compressed air discharged from a compressor (30) and transported through a facility for transporting compressed air, such as a pipeline.
  • the compressed air storage unit (70) can be a single or multiple storage facilities having a fixed shape or a changeable shape, and when storing compressed air in multiple storage tanks, air can be stored by sequentially filling one tank or by simultaneously filling multiple tanks.
  • a compressor (30) compresses air and discharges the compressed air, and the discharged compressed air or the compressed air stored in the compressed air storage unit can transfer heat to a compression heat utilization unit (300) through a cooler (this may include a cooler such as an air cooler, a water cooler, a glycol chiller, etc.).
  • FIG. 3 is a drawing exemplarily showing a process in which compressed air discharged from a compressor (30) and compressed air stored in a compressed air storage unit (70) according to one embodiment of the present invention are transferred to a compression heat utilization unit (300) and reused.
  • the heat pump (310) may include a heat pump compressor for compressing and discharging a refrigerant, a water heater for supporting water to be heated using the refrigerant, an expansion valve for supporting the pressure of the refrigerant utilized from the water heater to be lowered, a heat pump compressor control unit for supporting the operation of the heat pump compressor, and a second power situation determination unit for generating an input signal to the heat pump compressor control unit by referencing at least one of power price information and power supply information.
  • the heat pump compressor control unit may perform a function of supporting the operation of the heat pump compressor (330) when receiving a signal from the second power situation determination unit (340).
  • a plurality of heat pump compressors (330) may be configured in parallel, and some or all of the heat pump compressors (330) may be configured to be intermittently operated.
  • some of the heat pump compressors (330) may be supplied with electricity from a power supply facility and operated normally, and the remaining heat pump compressors that are not operated normally may be on standby and operated by a heat pump compressor control unit by receiving a signal from a second power situation judgment unit (340).
  • the second power situation judgment unit (340) obtains current power price information and predicted power price information from the power price prediction system (350) and, when it is efficient to use power intensively, that is, when the power price falls below a preset threshold, or when the power price is predicted to fall below a preset threshold, generates an input signal to the heat pump compressor control unit to support the operation of the heat pump compressor (330).
  • the power price prediction system (50) may use various algorithms used in time series regression analysis, such as a multiple linear regression model, a symbolic regression analysis model, a convolutional neural network, a recurrent neural network, an LSTM (Long short time memory) model, a GRU (Gated Recurrent Unit) model, etc., but is not necessarily limited thereto.
  • time series regression analysis such as a multiple linear regression model, a symbolic regression analysis model, a convolutional neural network, a recurrent neural network, an LSTM (Long short time memory) model, a GRU (Gated Recurrent Unit) model, etc., but is not necessarily limited thereto.
  • the second power situation judgment unit (340) obtains information on the power supply situation from the power balancing system (360) and, when it is efficient to use power intensively, that is, when the power supply exceeds the power demand, generates an input signal to the heat pump compressor control unit to support the operation of the heat pump compressor (330).
  • the power balancing system (360) may use a Plus-DR Signal Receiver, but is not necessarily limited thereto.
  • the heat pump compressor (330) can compress the refrigerant and discharge it.
  • the refrigerant discharged from the heat pump compressor (330) is supplied to the water heater (370) to provide heat for producing hot water, and then is transferred to the expansion valve (380), and the pressure is lowered through the expansion valve (380). Thereafter, the refrigerant is transferred to the cooler (301) to absorb the heat of the compressed air discharged from the compressor (30) to partially or completely vaporize, and the cycle in which the refrigerant is supplied to the heat pump compressor (330) is repeated.
  • the refrigerant according to one embodiment of the present invention may include, but is not necessarily limited to, R410a, R134a, R407c, R32, etc.
  • hot water heated by the water heater (370) may be stored in a separate heat storage unit or TES (Thermal Energy Storage), but the separate space where hot water is stored is not necessarily limited thereto.
  • TES Thermal Energy Storage
  • the compression heat utilization unit (300) may include an absorption refrigerator (320).
  • An absorption chiller (320) can discharge used hot water, and the used hot water discharged from the absorption chiller (320) can receive heat from the compressed air discharged from the compressor (30) through the cooler (302) and supply heat to the absorption chiller, and the absorption chiller (320) can receive a heat source and produce cold water.
  • the compression heat utilization unit (300) may include, in addition to the heat pump and absorption chiller listed above, a TES, a heat storage tank, a bioreactor, a digestion tank, and a microbial culture facility, but is not necessarily limited to those listed above.
  • the first power situation judgment unit when the power supply exceeds the power demand and exceeds a preset threshold while the first compressor (31) is constantly in operation, or the power price falls below the preset threshold, the first power situation judgment unit generates an input signal to the compressor control unit so that the second compressor is operated by the compressor control unit, and the first compressor (31) is coupled with an absorption chiller (320) to constantly produce compressed air and cold water, and the second compressor (32) is coupled with a heat pump (310) to intermittently produce compressed air and hot water.
  • the first power situation judgment unit when the power supply exceeds the power demand and exceeds a preset threshold while the first compressor (31) is constantly in operation, or when the power price falls below the preset threshold, the first power situation judgment unit generates an input signal to the compressor control unit so that the second compressor is operated by the compressor control unit, and the first compressor (31) is combined with a heat pump (310) to constantly produce compressed air and hot water, and the second compressor (32) is combined with an absorption chiller (320) to intermittently produce compressed air and cold water.
  • the first power situation judgment unit when the power supply exceeds the power demand and exceeds a preset threshold while the first compressor (31) is constantly in operation, or when the power price falls below the preset threshold, the first power situation judgment unit generates an input signal to the compressor control unit so that the second compressor is operated by the compressor control unit, and the first compressor (31) is combined with an absorption chiller (320) to constantly generate compressed air and chilled water, and the second compressor (32) can also be operated to intermittently generate additional compressed air and chilled water by combining with an additional second absorption chiller.
  • the first power situation determination unit when the power supply exceeds the power demand and exceeds a preset threshold while the first compressor (31) is constantly in operation, or when the power price falls below the preset threshold, the first power situation determination unit generates an input signal to the compressor control unit so that the second compressor is operated by the compressor control unit, and the first compressor (31) is combined with the heat pump (310) to constantly generate compressed air and hot water, and the second compressor (32) can be operated to intermittently generate additional compressed air and hot water by combining with an additional second heat pump.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

Selon un aspect de la présente invention, le système fourni pour gérer des compresseurs d'air comprend : au moins un compresseur ; une unité de commande de compresseur pour prendre en charge le fonctionnement du compresseur ; et une première unité de détermination de situation électrique pour générer un signal d'entrée pour l'unité de commande de compresseur sur la base d'informations de prix de l'électricité et d'informations d'alimentation électrique.
PCT/KR2024/008225 2023-06-14 2024-06-14 Système de gestion de compresseurs d'air Ceased WO2024258230A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2023-0076462 2023-06-14
KR20230076462 2023-06-14

Publications (1)

Publication Number Publication Date
WO2024258230A1 true WO2024258230A1 (fr) 2024-12-19

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Application Number Title Priority Date Filing Date
PCT/KR2024/008225 Ceased WO2024258230A1 (fr) 2023-06-14 2024-06-14 Système de gestion de compresseurs d'air

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KR (1) KR20240176464A (fr)
WO (1) WO2024258230A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100690962B1 (ko) * 2005-05-27 2007-03-09 주식회사 다우 펌프의 저비용, 고효율 운전 방법
JP2010203723A (ja) * 2009-03-05 2010-09-16 Denso Corp ヒートポンプ式給湯機
KR101866125B1 (ko) * 2017-02-27 2018-06-08 엘에스산전 주식회사 수운영 시스템의 펌프 제어 장치
JP2018168746A (ja) * 2017-03-29 2018-11-01 株式会社神戸製鋼所 圧縮空気貯蔵発電装置
KR20230066182A (ko) * 2021-11-05 2023-05-15 고등기술연구원연구조합 정압식 압축공기 에너지 저장 시스템

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100690962B1 (ko) * 2005-05-27 2007-03-09 주식회사 다우 펌프의 저비용, 고효율 운전 방법
JP2010203723A (ja) * 2009-03-05 2010-09-16 Denso Corp ヒートポンプ式給湯機
KR101866125B1 (ko) * 2017-02-27 2018-06-08 엘에스산전 주식회사 수운영 시스템의 펌프 제어 장치
JP2018168746A (ja) * 2017-03-29 2018-11-01 株式会社神戸製鋼所 圧縮空気貯蔵発電装置
KR20230066182A (ko) * 2021-11-05 2023-05-15 고등기술연구원연구조합 정압식 압축공기 에너지 저장 시스템

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