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WO2018121374A1 - Appareil de remplissage de réfrigérant à l'état liquide - Google Patents

Appareil de remplissage de réfrigérant à l'état liquide Download PDF

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Publication number
WO2018121374A1
WO2018121374A1 PCT/CN2017/117426 CN2017117426W WO2018121374A1 WO 2018121374 A1 WO2018121374 A1 WO 2018121374A1 CN 2017117426 W CN2017117426 W CN 2017117426W WO 2018121374 A1 WO2018121374 A1 WO 2018121374A1
Authority
WO
WIPO (PCT)
Prior art keywords
storage tank
tank
liquid refrigerant
connecting flange
replenishing device
Prior art date
Application number
PCT/CN2017/117426
Other languages
English (en)
Chinese (zh)
Inventor
于海军
李玉兰
常建平
李秀霞
位红燕
Original Assignee
同方威视技术股份有限公司
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 同方威视技术股份有限公司 filed Critical 同方威视技术股份有限公司
Publication of WO2018121374A1 publication Critical patent/WO2018121374A1/fr

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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
    • F25B45/00—Arrangements for charging or discharging refrigerant

Definitions

  • the present disclosure relates to a liquid refrigerant replenishing device, and in particular to a liquid nitrogen replenishing device.
  • a refrigerating device is additionally replenished with a refrigerant using a storage tank storing a liquid refrigerant such as liquid nitrogen.
  • a liquid refrigerant such as liquid nitrogen.
  • the replenishment of liquid nitrogen may be interrupted, so that it is impossible to continuously, efficiently and sufficiently supply the refrigeration equipment.
  • Liquid nitrogen when the replenishment is interrupted, there is a possibility that the pressure inside the storage tank is insufficient but residual nitrogen cannot be utilized, resulting in waste.
  • the replenishment is interrupted, the operator cannot know the state of the nitrogen in the tank, and safety problems are likely to occur during the replacement of the tank.
  • liquid refrigerant replenishing device for replenishing a liquid refrigerant in a storage tank to a refrigerating device
  • the liquid refrigerant replenishing device comprising: a supercharging device
  • the pressurizing device is configured to deliver a gas to the interior of the storage tank to discharge the refrigerant in the storage tank to the storage tank; a closing assembly, the sealing assembly is sealingly connected with the opening of the storage tank; the intake pipe and the infusion liquid a tube passing through the closure assembly to communicate the pressurization device with the storage tank to transfer the gas of the pressurization device to the storage tank, the infusion tube passing through the closure assembly to communicate the storage tank with the refrigeration device, In order to deliver the refrigerant in the tank to the refrigeration unit.
  • the closure assembly comprises a closure cap, a connecting flange, a sealing ring, the connecting flange is sleeved on the opening of the storage tank, and the closing cover is stacked above the connecting flange,
  • the sealing ring is disposed between the closing cover and the connecting flange, wherein two passages are provided inside the closing cover so that the intake pipe and the infusion pipe respectively pass through to extend into the storage tank.
  • the closure assembly comprises a closure cap, a connecting flange, a sealing ring, the connecting flange is sleeved on the opening of the storage tank, and the closing cover is stacked above the connecting flange,
  • the sealing ring is disposed between the closing cover and the connecting flange, wherein two channels are disposed in a portion of the closing cover adjacent to the sealing ring so that the intake pipe and the infusion pipe respectively pass through to the storage tank in.
  • a controller is further included, the controller being electrically connected to the boosting device and the refrigeration device, respectively, to control a gas supply of the boosting device according to a feedback signal in the refrigeration device.
  • the top of the top of the closure cap is further provided with a through hole for installing a deflation valve and/or a safety valve for releasing the gas in the storage tank at the end of the refrigerant delivery
  • the safety valve is used to prevent the pressure in the tank from exceeding the allowable pressure during the conveying process.
  • the connecting flange is fixed to the opening of the storage tank by screws, and the closing cover and the connecting flange are also fixed by screws, so that the closing cover of the closing assembly and the connecting flange are closed and closed A gas-tight connection between the component and the tank.
  • the boosting device is an air pump.
  • the refrigerant is liquid nitrogen.
  • the intake manifold includes an intake section extending from the closure assembly into the storage tank, the infusion tube including an infusion section extending from the closure assembly into the storage tank, the intake section The length is less than the length of the infusion section, the end of the inlet section extending into the tank is adjacent to the opening of the tank, and the end of the infusion section extending into the tank is near the bottom of the tank .
  • the end of the infusion tube extending into the storage tank is near the bottom of the storage tank
  • the liquid refrigerant replenishing device further comprises a temperature sensor, the temperature sensor being disposed in the infusion tube Close to the end of the bottom of the tank and electrically connected to a controller external to the tank, the temperature sensor senses the temperature difference caused by the liquid level drop, and sends the temperature difference information to the controller, and the controller responds to the temperature difference The information is controlled to control the boosting device to interrupt the delivery of refrigerant to the refrigeration device.
  • the temperature sensor is arranged at a distance above the end of the infusion tube near the bottom of the tank.
  • the liquid refrigerant replenishing device enables continuous and accurate replenishment of the liquid refrigerant, increases safety, and is easy to operate.
  • Figure 1 shows a schematic view of a liquid refrigerant replenishing device in accordance with the present disclosure
  • FIG. 2 shows a schematic view of the installation of a liquid refrigerant replenishing device according to the present disclosure
  • FIG. 3 shows a schematic view of a closure assembly of a liquid refrigerant replenishing device in accordance with the present disclosure
  • FIG. 4 shows a schematic cross-sectional view of a liquid refrigerant replenishing device mounted to a storage tank in accordance with the present disclosure.
  • FIG. 1 and 2 show schematic and installation schematics of a liquid refrigerant replenishing device in accordance with the present disclosure.
  • the liquid refrigerant replenishing device 100 is for replenishing the liquid refrigerant in the accumulator 300 into the refrigerating apparatus 200, which in the present embodiment is liquid nitrogen.
  • the liquid refrigerant replenishing device 100 includes a pressurizing device 2 for delivering a gas to the interior of the accumulator 300 to discharge the refrigerant in the accumulator 300.
  • a storage tank 300 a storage tank 300; a closure assembly 4, the closure assembly 4 being sealingly connected to the opening of the storage tank 300; an intake pipe 3 and an infusion pipe 8, the intake pipe 3 passing through the closure assembly to connect the pressurizing device 2 with the storage tank 300,
  • the infusion tube 8 communicates with the refrigeration device 200 through the closure assembly 4 to deliver the refrigerant in the storage tank 300 to the refrigeration device 200.
  • the closing assembly 4 includes a closing cover 41, a connecting flange 42, and a sealing ring 43.
  • the connecting flange 42 is sleeved in the opening of the storage tank 300, and the closing cover 41 is stacked on the connecting flange 42.
  • the sealing ring 43 is disposed between the closing cover 41 and the connecting flange 42, wherein two passages are provided inside the closing cover 41 so that the intake pipe 3 and the infusion pipe 8 respectively extend through To the tank 300.
  • two channels are provided in a portion of the closure cap 41 adjacent to the seal ring 43 so that the intake pipe 3 and the infusion tube 8 respectively pass through to the storage tank 300.
  • the liquid refrigerant replenishing device 100 further includes a controller 1 that is electrically connected to the supercharging device 2 and the refrigerating device 200, respectively, to be controlled according to a feedback signal in the refrigerating device 200 Gas supply to the supercharging device 2.
  • the supercharging device 2 is an air pump.
  • the center of the top of the closing cover 41 is further provided with a through hole for installing the venting valve 5 and/or the safety valve 7, and the venting valve 5 is for releasing the inside of the storage tank 300 at the end of the refrigerant delivery.
  • the gas, the safety valve 7 is used to prevent the pressure in the tank 300 from exceeding the allowable pressure during the conveying process. Set put The gas valve 5 and/or the safety valve 7 ensure safety during the delivery of the refrigerant as well as at the end of the delivery.
  • the connecting flange 42 is fixed to the opening of the storage tank 300 by screws 46, and the closing cover 41 and the connecting flange 42 are also fixed by screws 46, so that the closing cover 41 and the connecting flange of the closing assembly 4 A gas-tight connection between 42 and between the closure assembly 4 and the storage tank 300.
  • the liquid level gauge 6 is further disposed on the sealing assembly 4 to display the storage amount of the refrigerant in the storage tank 300 to the operator.
  • the intake manifold 3 includes an intake section 31 extending from the closure assembly 4 into the tank 300, the infusion tube 8 including an infusion section 81 extending from the closure assembly 4 into the reservoir 300, the inlet The length of the gas section 31 is smaller than the length of the infusion section 81, the end of the inlet section 31 extending into the tank 300 is close to the opening of the storage tank 300, and the infusion section 81 extends to the reservoir The end within the can 300 is near the bottom of the canister 300.
  • the liquid refrigerant replenishing device further includes a temperature sensor 48 disposed at an end of the infusion section 81 near the bottom of the tank 300 and electrically connected to the controller 1 outside the tank 300, The warning information is provided to the controller 1 when the level of the liquid refrigerant in the reservoir 300 drops below the end of the infusion section 81.
  • the temperature sensor 48 is disposed at a distance above the end of the infusion section 81 near the bottom of the tank 300.
  • the temperature sensor 48 at the end of the infusion section 81 near the bottom of the tank 300 is connected to the adapter connector 44 via a signal line 47, and the adapter connector 44 is hermetically embedded.
  • one end of the signal line 47 is connected to the temperature sensor 48, the other end is connected to the adapter connector 46 via a passage, and the adapter connector 44 is passed through the wire 45 to the exterior of the tank 300.
  • the controller 1 is electrically connected. There is a difference in temperature above and below the gas-liquid interface.
  • the temperature sensor 48 can detect the temperature difference and transmit the temperature difference information.
  • the controller 1 can control the supercharging device 2 in response to this information to interrupt the refrigerant delivery to the refrigerating device, preventing the liquid level of the liquid refrigerant from falling below and separating from the infusion section 81.
  • the outside of the infusion tube 8 is also provided with a heat insulating tube 9 so that the refrigerant is insulated from the outside during the conveying process. This prevents the risk of expansion or even explosion of the refrigerant when it is heated by the room temperature when it passes through the infusion tube 8.
  • the closure cap 41 and/or the connecting flange 42 are made of polytetrafluoroethylene.
  • the seal ring 43 is made of nitrile rubber. These materials are all materials that are good for sealing. It is contemplated by those skilled in the art that the materials of the components of the closure assembly are not limited thereto, but may be any other material capable of achieving a seal.
  • the closure assembly has a diameter of 50 mm or 80 mm. These two sizes correspond to the general opening size of the canister 300 in the art, and thus the refrigerant replenishing device 100 according to the present disclosure can be applied to all types of storage tanks in the art.
  • the diameter of the closure assembly is not limited thereto, and may be any size as needed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

L'invention concerne un appareil de remplissage de réfrigérant à l'état liquide (100) utilisé pour remplir un réfrigérant à l'état liquide dans un réservoir de stockage (300) d'un appareil de réfrigération (200). L'appareil de remplissage comprend: un appareil d'amplification de pression (2) utilisé pour distribuer un gaz à l'intérieur du réservoir de stockage (300) de façon à décharger le réfrigérant contenu dans le réservoir de stockage (300) depuis le réservoir de stockage (300), un composant d'étanchéité (4) hermétiquement relié à une ouverture du réservoir de stockage (300), un tuyau d'admission d'air reliant l'appareil d'amplification de pression (2) au réservoir de stockage (300) par l'intermédiaire du composant d'étanchéité (4) de façon à transférer le gaz dans l'appareil d'amplification de pression (2) dans le réservoir de stockage (300), et un tuyau de transfert de liquide reliant le réservoir de stockage (300) à l'appareil de réfrigération (200) par l'intermédiaire du composant d'étanchéité (4) de façon à transférer le réfrigérant dans le réservoir de stockage (300) de l'appareil de réfrigération (200).
PCT/CN2017/117426 2016-12-27 2017-12-20 Appareil de remplissage de réfrigérant à l'état liquide WO2018121374A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611234916.9 2016-12-27
CN201611234916.9A CN106766434A (zh) 2016-12-27 2016-12-27 液态制冷剂补充装置

Publications (1)

Publication Number Publication Date
WO2018121374A1 true WO2018121374A1 (fr) 2018-07-05

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PCT/CN2017/117426 WO2018121374A1 (fr) 2016-12-27 2017-12-20 Appareil de remplissage de réfrigérant à l'état liquide

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CN (1) CN106766434A (fr)
WO (1) WO2018121374A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114892116A (zh) * 2022-05-05 2022-08-12 唐山国丰第一冷轧镀锌技术有限公司 一种冷轧钢带用加工装置及加工工艺

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106766434A (zh) * 2016-12-27 2017-05-31 同方威视技术股份有限公司 液态制冷剂补充装置

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1476811A (en) * 1974-01-10 1977-06-16 Sihi Gmbh & Co Kg Method and apparatus for charging fluid circuits
US4606363A (en) * 1984-09-19 1986-08-19 Scales Frank J Automotive air conditioning system flushing apparatus
US5272882A (en) * 1992-01-03 1993-12-28 American Standard Inc. Portable recycle/recovery/charging system with reconfigurable components
JPH09250849A (ja) * 1996-03-16 1997-09-22 Yoriyuki Oguri 冷媒ガス一時保管用ボンベ及びその使用方法
US6158234A (en) * 1999-02-23 2000-12-12 Szutu; Hui Jen Self-cooled refrigerant recovery system
EP1197712A1 (fr) * 2000-10-13 2002-04-17 Comas S.n.c. di Vangelisti Vincenzo & C. Dispositif pour la décharge et recharge des systèmes de réfrigération
CN101839596A (zh) * 2009-03-20 2010-09-22 斯必克工业技术研究开发(上海)有限公司 一种加注及回收装置
CN104634016A (zh) * 2015-01-30 2015-05-20 中国科学院力学研究所 一种co2实验系统液态工质充灌装置及方法
CN105333657A (zh) * 2015-10-21 2016-02-17 广东志高空调有限公司 一种可及时排空可燃性制冷剂的制冷剂充注系统
CN106766434A (zh) * 2016-12-27 2017-05-31 同方威视技术股份有限公司 液态制冷剂补充装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2208653Y (zh) * 1994-10-28 1995-09-27 张湛军 管件、阀门、设备用止推管道法兰盘接头装置
CN201003607Y (zh) * 2006-12-31 2008-01-09 张小中 快开门压力容器的密封装置
KR101651071B1 (ko) * 2014-12-09 2016-08-25 한국에너지기술연구원 냉매탱크
CN205403277U (zh) * 2016-02-22 2016-07-27 绍兴西爱西尔数控科技有限公司 基于压力传感器检测的制冷剂原料罐自动换罐供应装置
CN105972853A (zh) * 2016-06-20 2016-09-28 华中科技大学 低温制冷剂喷液装置及自动喷液和补液的方法
CN206387158U (zh) * 2016-12-27 2017-08-08 同方威视技术股份有限公司 液态制冷剂补充装置

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1476811A (en) * 1974-01-10 1977-06-16 Sihi Gmbh & Co Kg Method and apparatus for charging fluid circuits
US4606363A (en) * 1984-09-19 1986-08-19 Scales Frank J Automotive air conditioning system flushing apparatus
US5272882A (en) * 1992-01-03 1993-12-28 American Standard Inc. Portable recycle/recovery/charging system with reconfigurable components
JPH09250849A (ja) * 1996-03-16 1997-09-22 Yoriyuki Oguri 冷媒ガス一時保管用ボンベ及びその使用方法
US6158234A (en) * 1999-02-23 2000-12-12 Szutu; Hui Jen Self-cooled refrigerant recovery system
EP1197712A1 (fr) * 2000-10-13 2002-04-17 Comas S.n.c. di Vangelisti Vincenzo & C. Dispositif pour la décharge et recharge des systèmes de réfrigération
CN101839596A (zh) * 2009-03-20 2010-09-22 斯必克工业技术研究开发(上海)有限公司 一种加注及回收装置
CN104634016A (zh) * 2015-01-30 2015-05-20 中国科学院力学研究所 一种co2实验系统液态工质充灌装置及方法
CN105333657A (zh) * 2015-10-21 2016-02-17 广东志高空调有限公司 一种可及时排空可燃性制冷剂的制冷剂充注系统
CN106766434A (zh) * 2016-12-27 2017-05-31 同方威视技术股份有限公司 液态制冷剂补充装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114892116A (zh) * 2022-05-05 2022-08-12 唐山国丰第一冷轧镀锌技术有限公司 一种冷轧钢带用加工装置及加工工艺

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