TW200730778A - Flash tank refrigerant control - Google Patents

Flash tank refrigerant control

Info

Publication number
TW200730778A
TW200730778A TW095147890A TW95147890A TW200730778A TW 200730778 A TW200730778 A TW 200730778A TW 095147890 A TW095147890 A TW 095147890A TW 95147890 A TW95147890 A TW 95147890A TW 200730778 A TW200730778 A TW 200730778A
Authority
TW
Taiwan
Prior art keywords
flash tank
refrigerant control
economizer circuit
tank refrigerant
operating parameters
Prior art date
Application number
TW095147890A
Other languages
Chinese (zh)
Inventor
Curtis Christian Crane
Frank Highland Hill Iv
Original Assignee
Johnson Controls Tech Co
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 Johnson Controls Tech Co filed Critical Johnson Controls Tech Co
Publication of TW200730778A publication Critical patent/TW200730778A/en

Links

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
    • 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
    • F25B49/025—Motor control arrangements
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F25B41/24—Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
    • 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
    • F25B2400/00—Component parts or details not otherwise provided for in this subclass
    • F25B2400/13—Economisers
    • 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
    • F25B2400/00—Component parts or details not otherwise provided for in this subclass
    • F25B2400/23—Separators
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/19—Calculation of parameters
    • 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
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/025—Compressor control by controlling speed
    • F25B2600/0253—Compressor control by controlling speed with variable speed
    • 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
    • F25B2600/00—Control issues
    • F25B2600/23—Time delays
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2509—Economiser valves
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/04—Refrigerant level
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/17—Speeds
    • F25B2700/171—Speeds of the compressor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Feedback Control In General (AREA)

Abstract

A control algorithm is provided for controlling an economizer circuit in a chiller system, The control algorithm adjusts the position of a feed valve in the economizer circuit in response to measured system operating parameters to maintain a level of liquid refrigerant in a flash tank of the economizer circuit. The measured system operating parameters can include the load of the compressor and the pressure and temperature of refrigerant in the flash tank.
TW095147890A 2005-12-30 2006-12-20 Flash tank refrigerant control TW200730778A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US75522205P 2005-12-30 2005-12-30
US11/428,913 US20070151269A1 (en) 2005-12-30 2006-07-06 System and method for level control in a flash tank

Publications (1)

Publication Number Publication Date
TW200730778A true TW200730778A (en) 2007-08-16

Family

ID=38222937

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095147890A TW200730778A (en) 2005-12-30 2006-12-20 Flash tank refrigerant control

Country Status (7)

Country Link
US (1) US20070151269A1 (en)
EP (1) EP1971808A2 (en)
JP (1) JP2009522533A (en)
KR (1) KR20080081002A (en)
CA (1) CA2631996A1 (en)
TW (1) TW200730778A (en)
WO (1) WO2007111731A2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10952349B2 (en) 2015-01-30 2021-03-16 Hewlett Packard Enterprise Development Lp Scalable coolant distribution unit
CN117742394A (en) * 2022-09-13 2024-03-22 英业达科技有限公司 Liquid level control device

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US20090220366A1 (en) * 2008-02-28 2009-09-03 William Turner Slide valve position indicator
KR101065515B1 (en) * 2009-02-13 2011-09-19 엘지전자 주식회사 Economizer Liquid Refrigerant Level Maintenance System
US9909786B2 (en) 2010-03-08 2018-03-06 Carrier Corporation Refrigerant distribution apparatus and methods for transport refrigeration system
US10047989B2 (en) 2010-03-08 2018-08-14 Carrier Corporation Capacity and pressure control in a transport refrigeration system
TWI454903B (en) * 2011-11-22 2014-10-01 Ind Tech Res Inst Method of controlling for saving energy
JP5872931B2 (en) * 2012-03-07 2016-03-01 三菱重工業株式会社 Turbo refrigerator
CN105579709B (en) 2013-10-01 2018-05-04 特灵国际有限公司 Rotary compressor with variable speed and volume control
ITVI20130257A1 (en) * 2013-10-18 2015-04-19 Carel Ind Spa METHOD OF DRIVING A REFRIGERATED MACHINE EQUIPPED WITH AN ECONOMISER SYSTEM
EP3164648B1 (en) * 2014-07-03 2020-12-09 Danfoss A/S Refrigerant cooling for variable speed drive
JP2018071907A (en) * 2016-10-31 2018-05-10 三菱重工サーマルシステムズ株式会社 Refrigeration equipment, refrigeration system
US10571171B2 (en) 2017-01-27 2020-02-25 Emerson Climate Technologies, Inc. Low charge detection system for cooling systems
KR102384051B1 (en) * 2017-12-06 2022-04-08 존슨 컨트롤스 테크놀러지 컴퍼니 A control system and method for an HVAC unit, and a medium containing such processor-executable instructions
CN114606033A (en) * 2020-12-09 2022-06-10 中国石油化工股份有限公司 Natural gas solvent absorption denitrification flash control system and parameter optimization method
EP4423442A4 (en) * 2021-10-26 2025-11-05 Tyco Fire & Security Gmbh PREHEATER FOR A COOLER
CN115247922B (en) * 2022-06-27 2024-07-23 浙江中广电器集团股份有限公司 An automatic control method to prevent compressor refrigerant from flowing back to flash tank

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10952349B2 (en) 2015-01-30 2021-03-16 Hewlett Packard Enterprise Development Lp Scalable coolant distribution unit
CN117742394A (en) * 2022-09-13 2024-03-22 英业达科技有限公司 Liquid level control device

Also Published As

Publication number Publication date
WO2007111731A3 (en) 2008-01-17
US20070151269A1 (en) 2007-07-05
JP2009522533A (en) 2009-06-11
CA2631996A1 (en) 2007-10-04
KR20080081002A (en) 2008-09-05
WO2007111731A2 (en) 2007-10-04
EP1971808A2 (en) 2008-09-24

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