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WO2019084870A1 - Unité de refroidissement industriel à puissance de refroidissement réglable - Google Patents

Unité de refroidissement industriel à puissance de refroidissement réglable Download PDF

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Publication number
WO2019084870A1
WO2019084870A1 PCT/CN2017/109134 CN2017109134W WO2019084870A1 WO 2019084870 A1 WO2019084870 A1 WO 2019084870A1 CN 2017109134 W CN2017109134 W CN 2017109134W WO 2019084870 A1 WO2019084870 A1 WO 2019084870A1
Authority
WO
WIPO (PCT)
Prior art keywords
compressor
cooling unit
adjustable
condenser
liquid
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/CN2017/109134
Other languages
English (en)
Chinese (zh)
Inventor
徐艳华
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.)
Taicang Fuhua Special Motor Co Ltd
Original Assignee
Taicang Fuhua Special Motor Co Ltd
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 Taicang Fuhua Special Motor Co Ltd filed Critical Taicang Fuhua Special Motor Co Ltd
Priority to PCT/CN2017/109134 priority Critical patent/WO2019084870A1/fr
Publication of WO2019084870A1 publication Critical patent/WO2019084870A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • F25B40/02—Subcoolers

Definitions

  • the utility model relates to the technical field of industrial cooling units, in particular to an industrial cooling unit with adjustable cooling power.
  • Cooling units also known as chillers, are widely used in various industries, so the requirements for chillers are different.
  • it is divided into air-cooled chillers and water-cooled chillers.
  • According to the compressor it is divided into screw chillers and scroll chillers. It is divided into low temperature industrial chillers and room temperature chillers in temperature control. .
  • Industrial cooling units have higher requirements on cooling capacity, but the requirements for cooling power are different due to their respective uses, usage conditions and environmental conditions; even each cooling unit has different cooling requirements under different conditions. The cooling requirements are also different under the change of ambient temperature in the four seasons. Moreover, because of the urgency of environmental protection and resource protection, how to achieve the adjustment of cooling capacity and reduce the output of the cooling unit in an unnecessary situation to achieve energy saving and emission reduction has become a problem that needs to be solved.
  • the utility model discloses an industrial cooling unit with adjustable cooling power, which can realize automatic adjustment of cooling capacity, expand the applicable range of the cooling unit and achieve good energy saving purposes.
  • the utility model discloses an industrial cooling unit with adjustable cooling power, comprising a compressor, a condenser and an evaporator, and the compressor is sequentially connected with a condenser and a liquid discharge control system through a pipeline.
  • the evaporator is connected and forms a refrigeration cycle, wherein the liquid discharge control system comprises a liquid discharge control module, a liquid discharge valve, a nozzle, a liquid reservoir and a liquid subcooler; the compressor is provided with a temperature sensor; the condenser side There is a fan, and the fan is connected with a clutch and a wind speed control module.
  • This design adjusts the cooling capacity of the cooling unit from the circulating liquid volume and the condensation force through the liquid discharge control module and the wind speed control module, and realizes automatic adjustment, which expands the applicable range of the cooling unit and achieves good energy saving purposes.
  • the above-mentioned industrial cooling unit with adjustable cooling power is provided with a gas-liquid separator and a filter between the evaporator and the compressor. This design maximizes the effect of removing impurities through the dust filtration of the gas-liquid separator and the filtration of the filter itself, improving the cooling capacity and service life of the system.
  • the liquid discharge valve is a pulse liquid discharge valve. This design facilitates signal control through the spray control module, and the system is simple and reliable, enabling automatic adjustment.
  • the above-mentioned industrial cooling unit with adjustable cooling power is provided between the compressor and the condenser.
  • Oil separator This design is designed to separate the lubricating oil in the fluid, ensuring the safety and reliability of the cooling unit.
  • cooling power adjustable industrial cooling unit is connected to a pressure controller. This design allows the compressor to automatically control the high pressure cylinder and low pressure cylinder.
  • the clutch is a silicone oil clutch.
  • This kind of design can only transmit torque to make the fan rotate at high speed when necessary. Under normal circumstances, the fan does not rotate or rotate at low speed, which can achieve energy saving purposes.
  • stepless speed regulation can be realized by controlling the amount of silicone oil.
  • the clutch is an electromagnetic clutch. This design can automatically and arbitrarily adjust the speed of the fan, and it is also convenient to switch the state of the fan to rotate or not to achieve energy saving.
  • the utility model has the following beneficial effects: the industrial cooling unit with adjustable cooling power according to the utility model adjusts the cooling of the cooling unit through two aspects of the liquid spray control module and the wind speed control module.
  • the ability to achieve automatic adjustment expand the scope of application of the cooling unit; the fan does not turn or low speed when necessary, and can adjust the wind speed if necessary, accurately control the cooling power and achieve good energy-saving purposes; Improve the cooling capacity, safety and reliability of the system and the service life.
  • FIG. 1 is a schematic structural view of an industrial cooling unit with adjustable cooling power according to the present invention
  • the utility model relates to an industrial cooling unit with adjustable cooling power, as shown in FIG. 1 , which comprises a compressor 1 , a condenser 2 and an evaporator 3 , wherein the compressor 1 is sequentially condensed with the oil separator 11 through a pipeline.
  • the liquid discharge control system 4, the expansion valve 13, the evaporator 3, the gas-liquid separator 9, and the filter 10 are connected and form a refrigeration cycle.
  • the liquid discharge control system 4 includes a liquid discharge control module 41, a liquid discharge valve 42, a nozzle 43, a liquid reservoir 44, and a liquid subcooler 45.
  • the liquid discharge valve 42 is a pulse liquid discharge valve; the liquid storage unit 44 passes through a pipe and a liquid.
  • the subcooler 45 is connected, and another pipe is connected to the liquid discharge valve 42 and the nozzle 43.
  • the liquid discharge valve 42 is connected to and controlled by the liquid discharge control module 41, and the nozzle 43 is connected to the liquid subcooler 45. .
  • the compressor 1 includes a low pressure cylinder and a high pressure cylinder, and is provided with a temperature sensor 5, and the temperature sensor 5 is respectively disposed at the outlet. On the duct and the inlet duct, the compressor 1 is connected to a pressure controller 12.
  • a fan 6 is disposed on one side of the condenser 2, and a clutch 7 and a wind speed control module 8 are connected to the fan 6.
  • the clutch 7 is a silicone oil clutch or an electromagnetic clutch; only when necessary, the torque is transmitted to cause the fan 6 to rotate at a high speed. Under normal circumstances, the fan 6 does not rotate or rotate at a low speed; in addition, the silicone oil clutch or the electromagnetic clutch can realize stepless speed regulation.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)

Abstract

L'invention concerne une unité de refroidissement industriel à puissance de refroidissement réglable comprenant un compresseur (1), un condenseur (2) et un évaporateur (3). Le compresseur (1) est relié de manière séquentielle au condenseur (2), un système de commande de pulvérisation de liquide (4) et l'évaporateur (3) au moyen de conduites, et le compresseur (1), le condenseur (2), le système de commande de pulvérisation de liquide (4) et l'évaporateur (3) forment une circulation de réfrigération. Le système de commande de pulvérisation de liquide (4) comprend un module de commande de pulvérisation de liquide (41), une soupape de pulvérisation de liquide (42), une buse (43), un récipient de stockage de liquide (44), et un sous-refroidisseur de liquide (45). Le capteur de température (5) est disposé sur le compresseur (1). Un ventilateur (6) est disposé sur un côté du condenseur (2). Le ventilateur (6) est relié à un embrayage (7) et à un module de commande de vitesse d'air (8). La capacité de refroidissement de l'unité de refroidissement est réglée au moyen du module de commande de pulvérisation de liquide (41) et du module de commande de vitesse d'air (8), le réglage est automatique, et le champ d'application de l'unité de refroidissement est étendu et l'objectif d'une bonne conservation d'énergie est obtenu.
PCT/CN2017/109134 2017-11-02 2017-11-02 Unité de refroidissement industriel à puissance de refroidissement réglable Ceased WO2019084870A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/109134 WO2019084870A1 (fr) 2017-11-02 2017-11-02 Unité de refroidissement industriel à puissance de refroidissement réglable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/109134 WO2019084870A1 (fr) 2017-11-02 2017-11-02 Unité de refroidissement industriel à puissance de refroidissement réglable

Publications (1)

Publication Number Publication Date
WO2019084870A1 true WO2019084870A1 (fr) 2019-05-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/109134 Ceased WO2019084870A1 (fr) 2017-11-02 2017-11-02 Unité de refroidissement industriel à puissance de refroidissement réglable

Country Status (1)

Country Link
WO (1) WO2019084870A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4811568A (en) * 1988-06-24 1989-03-14 Ram Dynamics, Inc. Refrigeration sub-cooler
CN2423532Y (zh) * 1998-12-01 2001-03-14 邢金良 可供热水的空调机组
CN1846099A (zh) * 2003-09-05 2006-10-11 大金工业株式会社 制冷装置
CN2884053Y (zh) * 2006-02-20 2007-03-28 深圳市双峰凌制冷设备有限公司 压缩机制冷装置
CN206670138U (zh) * 2017-03-29 2017-11-24 太仓富华特种电机有限公司 一种冷却力可调的工业用冷却机组

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4811568A (en) * 1988-06-24 1989-03-14 Ram Dynamics, Inc. Refrigeration sub-cooler
CN2423532Y (zh) * 1998-12-01 2001-03-14 邢金良 可供热水的空调机组
CN1846099A (zh) * 2003-09-05 2006-10-11 大金工业株式会社 制冷装置
CN2884053Y (zh) * 2006-02-20 2007-03-28 深圳市双峰凌制冷设备有限公司 压缩机制冷装置
CN206670138U (zh) * 2017-03-29 2017-11-24 太仓富华特种电机有限公司 一种冷却力可调的工业用冷却机组

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