CN110486860A - 一种预冷装置除湿机 - Google Patents

一种预冷装置除湿机 Download PDF

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CN110486860A
CN110486860A CN201910769197.8A CN201910769197A CN110486860A CN 110486860 A CN110486860 A CN 110486860A CN 201910769197 A CN201910769197 A CN 201910769197A CN 110486860 A CN110486860 A CN 110486860A
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evaporator
condenser
microchannel
forecooler
air
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周瑞
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Ningbo Ruifeng Mould Technology Co Ltd
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Ningbo Ruifeng Mould Technology Co Ltd
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Priority to US16/910,452 priority patent/US11649974B2/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F3/1405—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification in which the humidity of the air is exclusively affected by contact with the evaporator of a closed-circuit cooling system or heat pump circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F3/153—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification with subsequent heating, i.e. with the air, given the required humidity in the central station, passing a heating element to achieve the required temperature
    • 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
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • 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
    • 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
    • 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
    • F25B41/30—Expansion means; Dispositions thereof
    • 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
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/37—Capillary tubes
    • 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
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/39—Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator
    • 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
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
    • 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
    • F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
    • F25B5/04—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F2003/144—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
    • F24F2003/1446—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only by condensing
    • 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
    • F25B2400/13—Economisers

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Abstract

本发明涉及除湿器技术领域，具体涉及一种预冷装置除湿机，包括使制冷剂循环的压缩机、冷凝器、膨胀机构、微通道预冷器以及蒸发器机构，工作时湿空气从壳体形成的进气口进入，先通过微通道预冷器使湿空气达到饱和蒸汽状态，再经过蒸发器机构进行换热将湿空气结露除湿，除湿后的空气通过冷凝器加热，最后从出气口排出，其中冷凝器、膨胀机构、微通道预冷器、蒸发器机构中所使用的制冷剂由管道进行输送，通过压缩机完成制冷循环，本发明中设有的微通道预冷器可使湿空气在进入蒸发器之前达到饱和蒸汽状态，蒸发器在换热过程中冷却已经达到饱和蒸汽状态的空气，使湿空气的水蒸气能够更好得凝结成液体，提高了蒸发器结露除湿的效果，有效的降低了空气湿度，从而提高了设备的除湿效果。

Description

一种预冷装置除湿机
技术领域
本发明涉及除湿器技术领域，具体涉及一种预冷装置除湿机。
背景技术
除湿机又称为抽湿机、干燥机、除湿器，一般可分为民用除湿机和工业除湿机两大类，属于空调家庭中的一个部分。除湿机的工作原理是，将潮湿空气抽入机内，通过热交换器，此时空气中的水分子冷凝成水珠，处理过后的干燥空气排出机外，如此循环使室内湿度保持在适宜的相对湿度。
在现实中，湿空气在达到饱和蒸汽状态时，通过蒸发器进行结露除湿的效果最佳，而现有技术中的除湿机，在湿空气进入蒸发器换热之前无法使湿空气达到饱和蒸汽状态，水蒸气在经过蒸发器时无法更好的凝结成液体，蒸发器进行结露除湿的效果降低，导致除湿器除湿效果不佳，而本发明提供了一种预冷装置除湿机，本发明中设有的微通道预冷器很好的解决了上述问题，微通道预冷器可使湿空气在进入蒸发器之前达到饱和蒸汽状态，蒸发器在换热过程中冷却已经达到饱和蒸汽状态的湿空气，使湿空气的水蒸气能够更好得凝结成液体，提高了蒸发器结露除湿的效果，有效的降低了空气湿度，从而提高了设备的除湿效果。
发明内容
本发明的目的在于提供一种预冷装置除湿机，可解决上述背景中，湿空气进入蒸发器换热之前无法使湿空气达到饱和蒸汽状态，除湿器除湿效果不佳的问题，通过设置微通道预冷器，使湿空气在进入蒸发器之前达到饱和蒸汽状态，蒸发器在换热过程中冷却已经达到饱和蒸汽状态的湿空气，使湿空气的水蒸气能够更好得凝结成液体，提高了蒸发器结露除湿的效果，有效的降低了空气湿度，从而提高了设备的除湿效果。
本发明所解决的技术问题可以采用以下技术方案来实现：
一种预冷装置除湿机包括使制冷剂循环的压缩机、冷凝器、膨胀机构、微通道预冷器以及蒸发器，湿空气从壳体形成的进气口进入，先通过微通道预冷器使湿空气达到饱和蒸汽状态，再经过蒸发器机构进行换热将湿空气结露除湿，除湿后的空气通过冷凝器加热，最后从出气口排出，其中冷凝器、膨胀机构、微通道预冷器、蒸发器机构中所使用的制冷剂由管道进行输送，通过压缩机完成制冷循环。
进一步，微通道预冷器、蒸发机构之间设有节流毛细管，节流毛细管可以将冷气液制冷剂变成冷液体制冷剂。
进一步，包括膨胀装置和辅助膨胀装置，经过冷凝器的热液体制冷剂分别流入膨胀装置和辅助膨胀装置。
进一步，冷凝器流出的热液体制冷剂通过膨胀装置将其膨胀降低制冷剂的温度和压力，进入微通道预冷器。
进一步，冷凝器流出的热液体制冷剂通过辅助膨胀装置将其膨胀降低制冷剂的温度和压力，进入过冷器。
进一步，过冷器从辅助膨胀装置接收冷液体制冷剂，并将其蒸发成冷气体制冷剂。
进一步，蒸发机构和过冷器中产生的冷气体制冷剂合流后通过压缩机变成热气体制冷剂，再由压缩机将热气体制冷剂输送至冷凝器，完成制冷循环。
进一步，蒸发器机构的蒸发器数量为一个或两个。
本发明与现有技术相比具有如下突出优点和效果：本发明通过设置微通道预冷器，使湿空气在进入蒸发器之前达到饱和蒸汽状态，蒸发器在换热过程中冷却已经达到饱和蒸汽状态的湿空气，使湿空气的水蒸气能够更好得凝结成液体，提高了蒸发器结露除湿的效果，有效的降低了空气湿度，从而提高了设备的除湿效果。
本发明的特点可参阅本案图式及以下较好实施方式的详细说明而获得清楚地了解。
附图说明
图1为本发明实施例1结构示意图；
图2为本发明实施例2结构示意图；
图3为本发明实施例3结构示意图；
图4为本发明工作时气流状态示意图；
图5为本发明的整体结构示意图；
图中：1、壳体；2、微通道预冷器；3、蒸发器机构；31、蒸发器一；32、蒸发器二；4、冷凝器；5、压缩机；6、辅助膨胀装置；7、节流毛细管；8、膨胀装置；9、过冷器。
具体实施方式
为了使本发明实现的技术手段、创作特征、达成目的与功效易于明白了解，下面结合具体图示，进一步阐述本发明。
实施例1
如图1所示一种预冷装置除湿机，包括壳体1、微通道预冷装置2、蒸发器机构3、冷凝器4、膨胀机构，其中微通道预冷装置2、蒸发器机构3、冷凝器4、膨胀机构所使用的制冷剂均由管道进行输送，通过压缩机5完成制冷循环。
内循环工作时，压缩机5先将热气体制冷剂输送至冷凝器4，经冷凝器4 换热之后从冷凝器4流出的热液体制冷剂分流后流入膨胀机构，膨胀机构包括膨胀装置8和辅助膨胀装置6，分流后的一部分热液体制冷剂通过膨胀装置8 将其膨胀降低制冷剂的温度和压力，进入微通道预冷器2，另一部分热液体制冷剂通过辅助膨胀装置6将其膨胀降低制冷剂的温度和压力，进入过冷器9。
进一步，微通道预冷器2与蒸发机构3之间设有节流毛细管7，节流毛细管7可以将微通道预冷器2流出的冷气液制冷剂变成冷液体制冷剂，冷液体制冷剂流入蒸发机构3进行换热工作，换热工作完成后变成冷气制冷剂流出蒸发机构3。
进一步，过冷器9从辅助膨胀装置6接收冷液体制冷剂，并将其蒸发成冷气体制冷剂，蒸发机构3流出的冷气体制冷剂和过冷器9流出的冷气体制冷剂合流之后流向压缩机5。
进一步，蒸发机构3和过冷器9中产生的冷气体制冷剂通过压缩机5变成热气体制冷剂，再由压缩机5将热气体制冷剂输送至冷凝器4，完成制冷循环。
一种预冷装置除湿器在运行时，气流A1从壳体1形成的进气口进入，先通过微通道预冷器2使湿空气达到饱和蒸汽状态，蒸发机构3在换热过程中冷却已经达到饱和蒸汽状态的气流A2，使湿空气中的水蒸气能够更好得凝结成液体，提高了蒸发器结露除湿的效果，除湿后的气流A3通过冷凝器4进行加热，最后从出气口排出气流A4。
实施例2
在实施例1的基础上拓展的实施例2如图2所示，蒸发机构3的蒸发器数量为两个，分别为蒸发器一31、蒸发器二32，其中过冷器9流出的冷气体制冷剂进入蒸发器二32进行换热工作，蒸发器一31和蒸发器二32流出的冷气体制冷剂合流之后进入压缩机5完成制冷循环，实施例2蒸发机构3设置了两个蒸发器，使气流A2在经过蒸发机构3时能够充分的进行结露除湿，从而得到相对湿度更低气流A4，提高了设备的除湿效果。
实施例3
在实施例2的基础上拓展的实施例3如图3所示，蒸发机构3的蒸发器数量为两个，分别为蒸发器一31、蒸发器二32，节流毛细管7设置于蒸发器一 31和蒸发器二32之间，微通道预冷器2流出的冷气液制冷剂流入蒸发器二32 进行换热工作，换热工作完成后流过节流毛细管7进入蒸发器一31，其中过冷器9流出的冷气体制冷剂和蒸发器一31流出的冷气体制冷剂合流之后进入压缩机5完成制冷循环。
本发明通过设置微通道预冷器，使湿空气在进入蒸发器之前达到饱和蒸汽状态，蒸发器在换热过程中冷却已经达到饱和蒸汽状态的湿空气，使湿空气的水蒸气能够更好得凝结成液体，提高了蒸发器结露除湿的效果，有效的降低了空气湿度，从而提高了设备的除湿效果，实施例2中蒸发机构的蒸发器数量为两个，使湿空气可以充分进行结露除湿，从而得到相对湿度更低的空气提高设备的除湿效果。
由技术常识可知，本发明可以通过其它的不脱离其精神实质或必要特征的实施方案来实现。因此，上述公开的实施方案，就各方面而言，都只是举例说明，并不是仅有的。所有在本发明范围内或在等同于本发明的范围内的改变均被本发明包含。

Claims (8)

1.一种预冷装置除湿机包括压缩机、冷凝器、膨胀机构、微通道预冷器以及蒸发器机构，其特征在于：湿空气从壳体形成的进气口进入，先通过所述微通道预冷器使湿空气达到饱和蒸汽状态，再经过所述蒸发器机构进行换热将湿空气结露除湿，除湿后的空气通过所述冷凝器加热，最后从出气口排出，其中冷凝器、膨胀机构、微通道预冷器、蒸发器机构中所使用的制冷剂由管道进行输送，通过压缩机完成制冷循环。
2.根据权利要求1所述的一种预冷装置除湿机，其特征在于：所述微通道预冷器、所述蒸发机构之间设有节流毛细管，节流毛细管可以将冷气液制冷剂变成冷液体制冷剂。
3.根据权利要求1所述的一种预冷装置除湿机，其特征在于：所述膨胀机构包括膨胀装置和辅助膨胀装置，经过所述冷凝器的热液体制冷剂分别流入膨胀装置和辅助膨胀装置。
4.根据权利要求1或3所述的一种预冷装置除湿机，其特征在于：所述冷凝器流出的热液体制冷剂，通过所述膨胀装置将其膨胀降低制冷剂的温度和压力后进入微通道预冷器。
5.根据权利要求1或3所述的一种预冷装置除湿机，其特征在于：所述冷凝器流出的热液体制冷剂，通过所述辅助膨胀装置将其膨胀降低制冷剂的温度和压力后进入过冷器。
6.根据权利要求5所述的一种预冷装置除湿机，其特征在于：所述过冷器从辅助膨胀装置接收冷液体制冷剂，并将冷液体制冷剂蒸发成冷气体制冷剂。
7.根据权利要求1所述的一种预冷装置除湿机，其特征在于：所述蒸发器机构和所述过冷器中产生的冷气体制冷剂合流后通过所述压缩机变成热气体制冷剂，再由所述压缩机将热气体制冷剂输送至所述冷凝器，完成制冷剂循环。
8.根据权利要求1所述的一种预冷装置除湿机，其特征在于：所述蒸发器机构的蒸发器数量为一个或两个。
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