WO2019214237A1 - 冷媒提纯装置 - Google Patents

冷媒提纯装置 Download PDF

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Publication number
WO2019214237A1
WO2019214237A1 PCT/CN2018/121534 CN2018121534W WO2019214237A1 WO 2019214237 A1 WO2019214237 A1 WO 2019214237A1 CN 2018121534 W CN2018121534 W CN 2018121534W WO 2019214237 A1 WO2019214237 A1 WO 2019214237A1
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Prior art keywords
refrigerant
space
liquid
liquid separation
main casing
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PCT/CN2018/121534
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English (en)
French (fr)
Inventor
刘华
张治平
胡海利
胡东兵
胡立书
张营
蒋楠
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珠海格力电器股份有限公司
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Application filed by 珠海格力电器股份有限公司 filed Critical 珠海格力电器股份有限公司
Priority to US17/040,408 priority Critical patent/US20210025629A1/en
Publication of WO2019214237A1 publication Critical patent/WO2019214237A1/zh

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    • 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
    • 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
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by 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
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/003—Filters
    • 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
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/006—Accumulators
    • 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
    • F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
    • F25B2345/002—Collecting refrigerant from a 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2345/00—Details for charging or discharging refrigerants; Service stations therefor
    • F25B2345/005—Service stations therefor
    • 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—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/23—Separators

Definitions

  • the present invention relates to the field of air conditioning technology, and in particular to a refrigerant purification device and a refrigerant unit.
  • the existing refrigerant purification device cannot remove the moisture in the refrigerant system, so the above problems still affect the operation of the refrigerant unit.
  • the embodiment of the invention provides a refrigerant purification device and a refrigerant unit to solve the problem that the refrigerant purification device in the prior art cannot remove the moisture in the refrigerant system.
  • the embodiment of the present application provides a refrigerant purification device, comprising: a main casing, a liquid separation space and a liquid collection space are formed in the main casing, the liquid collection space is located below the liquid separation space, and the liquid separation space and the liquid collection space are collected.
  • the pipe is connected, the main casing is provided with a first refrigerant inlet and a water outlet communicating with the liquid-dividing space, and the main casing is further provided with a first refrigerant outlet connected to the liquid collecting space;
  • the layered baffle is disposed at At a position corresponding to the first refrigerant inlet in the liquid separation space, the layered baffle is used to collide with the aqueous refrigerant injected from the first refrigerant inlet, so that the refrigerant and moisture in the aqueous refrigerant are separated and stratified in the liquid separation space.
  • the collecting pipe is used for introducing the refrigerant located in the bottom layer in the liquid separating space into the liquid collecting space, and the water outlet is used for guiding the moisture at the top layer in the liquid separating space.
  • the water outlet is higher in the vertical direction than the collection tube.
  • the refrigerant purification device further comprises a water blocking sleeve, the water blocking sleeve is sleeved on the outside of the collecting port of the collecting tube, the upper opening of the water blocking sleeve is higher than the collecting port, and the lower opening of the water blocking sleeve Below the collection port.
  • the layered baffle includes a side baffle disposed vertically within the liquid separation space and an upper baffle disposed horizontally at the top of the side baffle.
  • the layered baffle further includes a lower baffle disposed at a bottom of the side baffle, and the lower baffle partitions the liquid separation space and the liquid collection space within the main casing.
  • a gas collecting space is further formed in the main casing, and the gas collecting space is located above the liquid separating space and communicates with the liquid separating space, and the gas collecting space is used for collecting the gaseous refrigerant separated from the water-containing refrigerant.
  • An air outlet communicating with the air collection space is disposed on the housing.
  • the refrigerant purification apparatus further includes a filter disposed in the gas collection space for filtering the gaseous refrigerant separated in the aqueous refrigerant.
  • the filter includes two porous baffles and a gas liquid filter disposed between the two porous baffles.
  • the main housing is provided with a pressure tap connected to the plenum space.
  • the refrigerant purification device further includes: a sub-housing, the sleeve is disposed on the main casing, and adjacent to the gas gathering space, and the heat exchange space is formed between the sub-housing and the main casing, and the sub-housing A second refrigerant inlet and a second refrigerant outlet connected to the heat exchange space are disposed on the upper portion.
  • the second refrigerant inlet is located below the second refrigerant outlet.
  • the refrigerant purification apparatus further includes a sight glass that is mounted on the main casing and/or the sub casing.
  • the aqueous refrigerant is sprayed into the liquid collecting space through the first refrigerant inlet, and the aqueous refrigerant is sprayed onto the layered baffle to collide, which is advantageous for separating the refrigerant and the moisture in the aqueous refrigerant. Subsequently, the refrigerant and moisture are deposited in the liquid separation space, and since the density of the water is less than the density of the refrigerant, the water floats on the upper layer of the refrigerant.
  • the collecting pipe introduces the refrigerant at the bottom layer in the liquid separation space into the liquid collecting space, and then discharges it from the first refrigerant outlet; the water outlet will discharge the moisture at the top layer in the liquid separating space.
  • water and refrigerant can be effectively separated from the aqueous refrigerant to ensure the stability of the operation of the refrigerant unit.
  • FIG. 1 is a schematic structural view of a first angle of an embodiment of a refrigerant purification device according to the present invention
  • FIG. 2 is a schematic view showing the structure of the second angle of the refrigerant purification device of FIG. 1.
  • FIG. 1 and 2 show an embodiment of a refrigerant purification apparatus of the present invention, which includes a main casing 10 and a layered baffle 20.
  • a liquid separation space 11 and a liquid collection space 12 are formed in the main casing 10, and the liquid collection space 12 is located below the liquid separation space 11, and the liquid separation space 11 and the liquid collection space 12 communicate with each other through the collection pipe 17.
  • the main casing 10 is provided with a first refrigerant inlet 14 and a water outlet 15 communicating with the liquid separation space 11, and the main casing 10 is further provided with a first refrigerant outlet 16 communicating with the liquid collection space 12.
  • the layered baffle 20 is disposed at a position corresponding to the first refrigerant inlet 14 in the liquid separation space 11, and the layered baffle 20 is used to collide with the water-containing refrigerant injected from the first refrigerant inlet 14, so that the refrigerant in the aqueous refrigerant and The water is separated and stratified in the liquid separation space 11, and the collection pipe 17 is used to introduce the refrigerant located in the bottom layer in the liquid separation space 11 into the liquid collection space 12, and the water outlet 15 is used to derive the moisture at the top layer in the liquid separation space 11. .
  • the aqueous refrigerant is injected into the liquid collecting space 12 through the first refrigerant inlet 14, and the aqueous refrigerant is sprayed onto the layered baffle 20 to collide, which is advantageous for separating the refrigerant and the moisture in the aqueous refrigerant. Subsequently, the refrigerant and moisture are deposited in the liquid separation space 11, and since the density of the water is smaller than the density of the refrigerant, the water floats on the upper layer of the refrigerant.
  • the collecting pipe 17 introduces the refrigerant located in the bottom layer in the liquid separating space 11 into the liquid collecting space 12, and then discharges it from the first refrigerant outlet 16; the water outlet 15 guides the moisture in the top layer in the liquid separating space 11. In this way, water and refrigerant can be effectively separated from the aqueous refrigerant to ensure the stability of the operation of the refrigerant unit.
  • the water outlet 15 is higher in the vertical direction than the collecting pipe 17.
  • the density of water is smaller than the density of the refrigerant, it is easier to separate the moisture and the refrigerant.
  • the refrigerant purification device further includes a water blocking sleeve 18, and the water blocking sleeve 18 is sleeved outside the collecting port of the collecting tube 17.
  • the upper opening of the water jacketing sleeve 18 is higher than the collecting opening, and the lower opening of the water blocking sleeve 18 is lower than the collecting opening.
  • the water-blocking sleeve 18 is disposed outside the collection port of the collecting pipe 17, and a large portion of the liquid level can be separated. Collect moisture from the mouth to prevent excessive moisture from entering the collection port as the liquid level changes. In this way, the separation efficiency of the aqueous refrigerant is improved.
  • the throttle area of the water barrier sleeve 18 is larger than the throttle area of the collection tube 17.
  • the layered baffle 20 includes a side baffle 21 and an upper baffle 22.
  • the side fence 21 is vertically disposed in the liquid separation space 11, and the upper shutter 22 is horizontally disposed at the top of the side fence 21.
  • the first refrigerant inlet 14 sprays the aqueous refrigerant toward the side baffle 21
  • the aqueous refrigerant is sputtered from the side baffle 21 toward the periphery
  • the upper baffle 22 prevents the aqueous refrigerant from being sprayed upward.
  • it can also avoid the liquid level instability caused by the impact of the liquid on the liquid surface, which is beneficial to stable drainage.
  • the layered baffle 20 further includes a lower baffle 23 disposed at the bottom of the side baffle 21.
  • the lower baffle 23 separates the liquid separation space 11 and the liquid collection space 12 in the main casing 10, so that the lower baffle 23 can also serve as an isolation space.
  • a gas collecting space 13 is formed in the main casing 10, and the gas collecting space 13 is located above the liquid separating space 11 and communicates with the liquid separating space 11. A large amount of gaseous refrigerant is also produced during the separation of the aqueous refrigerant.
  • the gas collecting space 13 is for collecting the gaseous refrigerant separated from the water-containing refrigerant, and the main casing 10 is provided with an air outlet 19 communicating with the gas collecting space 13.
  • the refrigerant purification apparatus of the present invention can also separate the gaseous refrigerant.
  • the refrigerant purification device further includes a filter 30 disposed in the gas collection space 13 for filtering the gaseous refrigerant separated from the aqueous refrigerant, and the filter 30 for the gaseous refrigerant. Moisture and impurities are filtered.
  • the filter 30 includes two porous baffles 31 and a gas-liquid filter net 32 disposed between the two porous baffles 31, wherein the porous baffle 31 serves as a fixed gas. The role of the liquid filter 32. As shown in FIG. 1, an inner support ring 131 is disposed in the main casing 10, and the filter 30 is fixedly mounted on the inner support ring 131.
  • the main housing 10 is provided with a pressure measuring port 60 connected to the gas collecting space 13 , and the refrigerant purification device further includes a pressure measuring device, and the pressure measuring device is disposed at the pressure measuring port. 60 on.
  • the pressure measuring port 60 is disposed at the top of the gas collecting space 13, and the output air pressure of the gas collecting space 13 can be detected by the pressure gauge.
  • the refrigerant purifying apparatus further includes a sub-housing 40 which is disposed on the main casing 10 and adjacent to the gas collecting space 13.
  • a heat exchange space 41 is formed between the sub-housing 40 and the main casing 10, and the sub-housing 40 is provided with a second refrigerant inlet 42 and a second refrigerant outlet 43 that communicate with the heat exchange space 41.
  • a low pressure refrigerant is introduced into the liquid separation space 11 through the first refrigerant inlet 14.
  • the high-pressure refrigerant can be introduced into the heat exchange space 41 through the second refrigerant inlet 42, and the high-pressure refrigerant can be exchanged with the low-pressure refrigerant vapor in the gas-collecting space 13, and the low-pressure refrigerant vapor becomes superheated steam after heat exchange, which helps The refrigerant droplets entrained in the low pressure refrigerant vapor will further evaporate into a vapor.
  • the second refrigerant inlet 42 is located below the second refrigerant outlet 43. Further, it is also possible to arrange the second refrigerant inlet 42 above the second refrigerant outlet 43.
  • an upper support ring 132 and a lower support ring 133 are disposed outside the main casing 10 , and the sub-housing 40 is fixed to the upper support ring 132 and the lower support ring 133 . between.
  • the refrigerant purifying apparatus further includes a sight glass 50, and the sight glass 50 is mounted on the main casing 10.
  • the sight glass 50 disposed on the main casing 10 assists in observing the liquid level at the time of separation of the aqueous refrigerant to facilitate control of the flow rate of the first refrigerant inlet 14 to the aqueous refrigerant.
  • the sight glass 50 is also mounted on the sub-housing 40 to facilitate viewing of the high pressure refrigerant in the sub-housing 40.
  • a plurality of sight glasses 50 are provided, and a plurality of sight glass mirrors 50 are spaced apart in the vertical direction to facilitate observation of the internal operation of the refrigerant purification device.
  • the moisture in the aqueous refrigerant can be effectively separated, and the low-pressure refrigerant vapor can be used to cool the high-pressure refrigerant liquid to increase the degree of subcooling.
  • the filter 30 can also separate the droplets entrained in the low-pressure refrigerant vapor to avoid inhalation and improve the stability of the unit.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
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Abstract

一种冷媒提纯装置，包括主壳体（10）和分层挡板（20），主壳体（10）内形成有分液空间（11）和集液空间（12），集液空间（12）位于分液空间（11）的下方，分液空间（11）与集液空间（12）通过收集管（17）连通。分层挡板（20）设置在分液空间（11）内与第一冷媒进口（14）相对应地位置处，分层挡板（20）用于碰撞第一冷媒进口（14）喷入的含水冷媒，使得含水冷媒中的冷媒和水分分离并在分液空间（11）内分层，收集管（17）用于将分液空间（11）内位于底层的冷媒导入集液空间（12）内，出水口（15）用于将分液空间（11）内位于顶层的水分导出。装置可以有效地从含水冷媒中分离出水分和冷媒，保证冷媒机组运行的稳定性。

Description

冷媒提纯装置
本申请要求于2018年5月5日提交中国专利局、申请号为201810422065.3、发明名称为“冷媒提纯装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及空调技术领域，具体而言，涉及一种冷媒提纯装置及冷媒机组。
背景技术
现有的冷媒机组在使用时，存在外部水分进入冷媒***的可能。一旦水分存在于冷媒***当中，就会对冷媒机组的换热和稳定性造成不利的影响。
而现有的冷媒提纯装置，并不能对冷媒***中的水分进行清除，因此上述问题依然影响着冷媒机组的运行。
发明内容
本发明实施例提供了一种冷媒提纯装置及冷媒机组，以解决现有技术中冷媒提纯装置不能对冷媒***中的水分进行清除的问题。
本申请实施方式提供了一种冷媒提纯装置，包括：主壳体，主壳体内形成有分液空间和集液空间，集液空间位于分液空间的下方，分液空间与集液空间通过收集管连通，主壳体上设置有与分液空间相连通的第一冷媒进口和出水口，主壳体上还设置有与集液空间相连通的第一冷媒出口；分层挡板，设置在分液空间内与第一冷媒进口相对应地位置处，分层挡板用于碰撞第一冷媒进口喷入的含水冷媒，使得含水冷媒中的冷媒和水分分离并在分液空间内分层，收集管用于将分液空间内位于底层的冷媒导入集液空间内，出水口用于将分液空间内位于顶层的水分导出。
在一个实施方式中，出水口在竖直方向上高于收集管。
在一个实施方式中，冷媒提纯装置还包括隔水套管，隔水套管套设在 收集管的收集口的外部，隔水套管的上开口高于收集口，隔水套管的下开口低于收集口。
在一个实施方式中，分层挡板包括：侧挡板，竖直设置在分液空间内；上挡板，水平设置在侧挡板的顶部。
在一个实施方式中，分层挡板还包括下挡板，下挡板设置在侧挡板的底部，下挡板在主壳体内分隔出分液空间和集液空间。
在一个实施方式中，主壳体内还形成有集气空间，集气空间位于分液空间的上方，并与分液空间相连通，集气空间用于收集含水冷媒中分离出的气态冷媒，主壳体上设置有与集气空间相连通的出气口。
在一个实施方式中，冷媒提纯装置还包括过滤器，过滤器设置在集气空间内，过滤器用于对含水冷媒中分离出的气态冷媒过滤。
在一个实施方式中，过滤器包括两个多孔挡板和设置在两个多孔挡板之间的气液过滤网。
在一个实施方式中，主壳体上设置有与集气空间相连的测压口。
在一个实施方式中，冷媒提纯装置还包括：副壳体，套设置在主壳体上，并与集气空间相邻，副壳体和主壳体之间形成有换热空间，副壳体上设置有与换热空间相连通的第二冷媒进口和第二冷媒出口。
在一个实施方式中，第二冷媒进口位于第二冷媒出口的下方。
在一个实施方式中，冷媒提纯装置还包括视液镜，视液镜安装在主壳体和/或副壳体上。
在一个实施方式中，视液镜为多个，多个视液镜沿竖直方向间隔设置。
在上述实施例中，通过第一冷媒进口向集液空间内喷入含水冷媒，含水冷媒喷到分层挡板上发生碰撞，有利于含水冷媒中的冷媒和水分分离。随后，冷媒和水分会沉积在分液空间内，由于水的密度小于冷媒的密度，水会浮在冷媒的上层。此时，收集管会将分液空间内位于底层的冷媒导入集液空间内，再由第一冷媒出口排出；出水口会将分液空间内位于顶层的水分导出。这样，就可以有效地从含水冷媒中分离出是水分和冷媒，保证冷媒机组运行的稳定性。
附图说明
构成本申请的一部分的附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1是根据本发明的冷媒提纯装置的实施例的第一角度的结构示意图；
图2是图1的冷媒提纯装置的第二角度的结构示意图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚明白，下面结合实施方式和附图，对本发明做进一步详细说明。在此，本发明的示意性实施方式及其说明用于解释本发明，但并不作为对本发明的限定。
图1和图2示出了本发明的冷媒提纯装置的实施例，该冷媒提纯装置包括主壳体10和分层挡板20。主壳体10内形成有分液空间11和集液空间12，集液空间12位于分液空间11的下方，分液空间11与集液空间12通过收集管17连通。主壳体10上设置有与分液空间11相连通的第一冷媒进口14和出水口15，主壳体10上还设置有与集液空间12相连通的第一冷媒出口16。分层挡板20设置在分液空间11内与第一冷媒进口14相对应地位置处，分层挡板20用于碰撞第一冷媒进口14喷入的含水冷媒，使得含水冷媒中的冷媒和水分分离并在分液空间11内分层，收集管17用于将分液空间11内位于底层的冷媒导入集液空间12内，出水口15用于将分液空间11内位于顶层的水分导出。
应用本发明的技术方案，通过第一冷媒进口14向集液空间12内喷入含水冷媒，含水冷媒喷到分层挡板20上发生碰撞，有利于含水冷媒中的冷媒和水分分离。随后，冷媒和水分会沉积在分液空间11内，由于水的密度小于冷媒的密度，水会浮在冷媒的上层。此时，收集管17会将分液空间11内位于底层的冷媒导入集液空间12内，再由第一冷媒出口16排出；出水口15会将分液空间11内位于顶层的水分导出。这样，就可以有效地从含水冷媒中分离出是水分和冷媒，保证冷媒机组运行的稳定性。
如图1所示，作为一种优选的实施方式，出水口15在竖直方向上高于收集管17。这样，符合水的密度比冷媒的密度小的原理，更便于分离出 水分和冷媒。
作为一种优选的实施方式，如图1所示，冷媒提纯装置还包括隔水套管18，隔水套管18套设在收集管17的收集口的外部。隔水套管18的上开口高于收集口，隔水套管18的下开口低于收集口。在进行水分和冷媒的分离工作时，由于水分和冷媒之间的液位是会发生变化，在收集管17的收集口的外部设置隔水套管18，可以隔开很大一部分液位低于收集口的水分，避免过多的水分随着液位的变化进入收集口。这样一来，就提高了含水冷媒的分离效率。在本实施例的技术方案中，隔水套管18的节流面积大于收集管17的节流面积。
如图1所示，作为一种可选的实施方式，分层挡板20包括侧挡板21和上挡板22。侧挡板21竖直设置在分液空间11内，上挡板22水平设置在侧挡板21的顶部。当第一冷媒进口14朝向侧挡板21喷含水冷媒时，含水冷媒会从侧挡板21上朝四周溅射，上挡板22则可以避免含水冷媒朝上溅射。同时，还可以避免进液对液面造成冲击导致的液面不稳，有利于稳定排水。更为优选的，分层挡板20还包括下挡板23，下挡板23设置在侧挡板21的底部。下挡板23在主壳体10内分隔出分液空间11和集液空间12，这样下挡板23还能起到隔离空间的效果。
作为一种优选的实施方式，如图1所示，主壳体10内还形成有集气空间13，集气空间13位于分液空间11的上方，并与分液空间11相连通。在含水冷媒的分离过程中，还会产生大量的气态冷媒。集气空间13用于收集含水冷媒中分离出的气态冷媒，主壳体10上设置有与集气空间13相连通的出气口19。这样，本发明的冷媒提纯装置还可以分离出气态冷媒。更为优选的，冷媒提纯装置还包括过滤器30，过滤器30设置在集气空间13内，过滤器30用于对含水冷媒中分离出的气态冷媒过滤，采用过滤器30可以对气态冷媒中的水分和杂质进行过滤。可选的，在本实施例的技术方案中，过滤器30包括两个多孔挡板31和设置在两个多孔挡板31之间的气液过滤网32，其中多孔挡板31起到固定气液过滤网32的作用。如图1所示，在主壳体10内设置有内支撑圈131，过滤器30固定安装在内支撑圈131上。
如图1所示，作为一种优选的实施方式，主壳体10上设置有与集气 空间13相连的测压口60，冷媒提纯装置还包括测压器，测压器设置在测压口60上。如图1所示，测压口60设置在集气空间13的顶部，通过测压器可以检测集气空间13的输出气压。
如图1所示，冷媒提纯装置还包括副壳体40，副壳体40套设置在主壳体10上，并与集气空间13相邻。副壳体40和主壳体10之间形成有换热空间41，副壳体40上设置有与换热空间41相连通的第二冷媒进口42和第二冷媒出口43。一般情况下，通过第一冷媒进口14向分液空间11通入的是低压冷媒。通过第二冷媒进口42可以向换热空间41中通入高压冷媒，可以让高压冷媒与集气空间13中的低压冷媒蒸汽换热，低压冷媒蒸汽换热后变为过热蒸汽，这样有助于低压冷媒蒸汽中夹带的冷媒液滴会进一步蒸发为汽体。可选的，在本实施例的技术方案中，第二冷媒进口42位于第二冷媒出口43的下方。此外，将第二冷媒进口42设置在第二冷媒出口43的上方也是可行的。在本实施例的技术方案中，如图1所示，在主壳体10的外部设置有上支撑圈132和下支撑圈133，副壳体40固定在上支撑圈132和下支撑圈133之间。
如图1和图2所示，冷媒提纯装置还包括视液镜50，视液镜50安装在主壳体10。设置在主壳体10上的视液镜50有助于观察含水冷媒分离时的液位，以便于控制第一冷媒进口14喷入含水冷媒的流量。更为优选的，视液镜50还安装在副壳体40上，以便于观察副壳体40中的高压冷媒。作为一种优选的实施方式，如图1所示，视液镜50为多个，多个视液镜50沿竖直方向间隔设置，以便于观察冷媒提纯装置的内部运行情况。
采用本发明的冷媒提纯装置，可以对含水冷媒中的水分进行有效地分离，还可以利用低压冷媒蒸汽冷却高压冷媒液体增加其过冷度。通过过滤器30还可以分离低压冷媒蒸汽中夹带的液滴，避免吸气带液，提高机组稳定性。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明实施例可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (13)

  1. 一种冷媒提纯装置，其特征在于，包括：
    主壳体(10)，所述主壳体(10)内形成有分液空间(11)和集液空间(12)，所述集液空间(12)位于所述分液空间(11)的下方，所述分液空间(11)与所述集液空间(12)通过收集管(17)连通，所述主壳体(10)上设置有与所述分液空间(11)相连通的第一冷媒进口(14)和出水口(15)，所述主壳体(10)上还设置有与所述集液空间(12)相连通的第一冷媒出口(16)；
    分层挡板(20)，设置在所述分液空间(11)内与所述第一冷媒进口(14)相对应地位置处，所述分层挡板(20)用于碰撞所述第一冷媒进口(14)喷入的含水冷媒，使得所述含水冷媒中的冷媒和水分分离并在所述分液空间(11)内分层，所述收集管(17)用于将所述分液空间(11)内位于底层的冷媒导入所述集液空间(12)内，所述出水口(15)用于将所述分液空间(11)内位于顶层的水分导出。
  2. 根据权利要求1所述的冷媒提纯装置，其特征在于，所述出水口(15)在竖直方向上高于所述收集管(17)。
  3. 根据权利要求1所述的冷媒提纯装置，其特征在于，所述冷媒提纯装置还包括隔水套管(18)，所述隔水套管(18)套设在所述收集管(17)的收集口的外部，所述隔水套管(18)的上开口高于所述收集口，所述隔水套管(18)的下开口低于所述收集口。
  4. 根据权利要求1所述的冷媒提纯装置，其特征在于，所述分层挡板(20)包括：
    侧挡板(21)，竖直设置在所述分液空间(11)内；
    上挡板(22)，水平设置在所述侧挡板(21)的顶部。
  5. 根据权利要求4所述的冷媒提纯装置，其特征在于，所述分层挡板(20)还包括下挡板(23)，所述下挡板(23)设置在所述侧挡板(21)的底部，所述下挡板(23)在所述主壳体(10)内分隔出所述分液空间(11)和所述集液空间(12)。
  6. 根据权利要求1所述的冷媒提纯装置，其特征在于，所述主壳体(10)内还形成有集气空间(13)，所述集气空间(13)位于所述分液空间(11)的上方，并与所述分液空间(11)相连通，所述集气空间(13) 用于收集所述含水冷媒中分离出的气态冷媒，所述主壳体(10)上设置有与所述集气空间(13)相连通的出气口(19)。
  7. 根据权利要求6所述的冷媒提纯装置，其特征在于，所述冷媒提纯装置还包括过滤器(30)，所述过滤器(30)设置在所述集气空间(13)内，所述过滤器(30)用于对所述含水冷媒中分离出的气态冷媒过滤。
  8. 根据权利要求7所述的冷媒提纯装置，其特征在于，所述过滤器(30)包括两个多孔挡板(31)和设置在两个多孔挡板(31)之间的气液过滤网(32)。
  9. 根据权利要求6所述的冷媒提纯装置，其特征在于，所述主壳体(10)上设置有与所述集气空间(13)相连的测压口(60)。
  10. 根据权利要求6所述的冷媒提纯装置，其特征在于，所述冷媒提纯装置还包括：
    副壳体(40)，套设置在所述主壳体(10)上，并与所述集气空间(13)相邻，所述副壳体(40)和所述主壳体(10)之间形成有换热空间(41)，所述副壳体(40)上设置有与所述换热空间(41)相连通的第二冷媒进口(42)和第二冷媒出口(43)。
  11. 根据权利要求10所述的冷媒提纯装置，其特征在于，所述第二冷媒进口(42)位于所述第二冷媒出口(43)的下方。
  12. 根据权利要求10所述的冷媒提纯装置，其特征在于，所述冷媒提纯装置还包括视液镜(50)，所述视液镜(50)安装在所述主壳体(10)和/或所述副壳体(40)上。
  13. 根据权利要求12所述的冷媒提纯装置，其特征在于，所述视液镜(50)为多个，多个所述视液镜(50)沿竖直方向间隔设置。
PCT/CN2018/121534 2018-05-05 2018-12-17 冷媒提纯装置 WO2019214237A1 (zh)

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