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CN111189129B - 一种余热回收节能型组合式空调机 - Google Patents

一种余热回收节能型组合式空调机 Download PDF

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CN111189129B
CN111189129B CN202010116077.0A CN202010116077A CN111189129B CN 111189129 B CN111189129 B CN 111189129B CN 202010116077 A CN202010116077 A CN 202010116077A CN 111189129 B CN111189129 B CN 111189129B
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魏超
郎群英
王德超
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Hefei Swan Refrigeration Technology Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • F24F3/044Systems in which all treatment is given in the central station, i.e. all-air systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
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    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/81Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the air supply to heat-exchangers or bypass channels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • F24F12/006Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22Means for preventing condensation or evacuating condensate
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30Arrangement or mounting of heat-exchangers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-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
    • F24F3/12Air-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
    • F24F3/14Air-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
    • F24F3/147Air-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 both heat and humidity transfer between supplied and exhausted air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/10Temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00Control inputs relating to air properties
    • F24F2110/20Humidity
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56Heat recovery units

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Abstract

本发明涉及热量回收技术领域,且公开了一种余热回收节能型组合式空调机,包括箱体,箱体的内部包括新风箱,回风箱,风机箱,冷却加湿箱,箱体的外部固定设有电控箱,新风箱的外部设有新风口,且新风箱的内部设有第一过滤器及新风预热换热器,回风箱外部设有回风口,且回风箱内部设有第二过滤器及蒸汽加热器,风机箱内部设有离心风机,冷却加湿箱外部设有送风口,且冷却加湿箱内部设有冷却盘管及干蒸汽加湿器。本发明实现了蒸汽凝结水的无动力式热量回收,即利用蒸汽的余压及凝结水的自重无动力式流入新风预热换热器或冷却盘管,经济高效且实用价值高,且解决了常规组合式空调机蒸汽凝结水直接排放造成的环境热污染问题。

Description

一种余热回收节能型组合式空调机
技术领域
本发明涉及热量回收技术领域,尤其涉及一种余热回收节能型组合式空调机。
背景技术
组合式空调机广泛应用于电子仪表、精密机械制造、食品、生物制药、卷烟、纺织化工、电站等工业集中空调领域,也广泛应用于商场、大型超市、写字楼、影剧院等商业集中空调领域。目前,组合式空调机的能耗在建筑能耗中所占比重愈来愈大。
现有的组合式空调机组蒸汽加热的凝结水通过疏水器直接排放,既造成的资源的浪费,又会引起环境的热污染,不符合节能环保的要求,因此提出一种余热回收节能型组合式空调机。
发明内容
本发明的目的是为了解决现有技术中组合式空调机组蒸汽加热的凝结水通过疏水器直接排放,既造成的资源的浪费,又会引起环境的热污染,不符合节能环保要求的问题,进而提出的一种余热回收节能型组合式空调机。
为了实现上述目的,本发明采用了如下技术方案:
一种余热回收节能型组合式空调机,包括箱体,所述箱体的内部包括新风箱,回风箱,风机箱,冷却加湿箱,所述箱体的外部固定设有电控箱,所述新风箱的外部设有新风口,且新风箱的内部设有第一过滤器及新风预热换热器,所述回风箱外部设有回风口,且回风箱内部设有第二过滤器及蒸汽加热器,所述风机箱内部设有离心风机,所述冷却加湿箱外部设有送风口,且冷却加湿箱内部设有冷却盘管及干蒸汽加湿器,所述冷却盘管的入口处设有第一截止阀,所述冷却盘管的出口处设有第二截止阀,所述蒸汽加热器的入口处依次设有电动二通阀、蒸汽过滤器及第三截止阀,所述干蒸汽加湿器的入口处设有第一电磁阀,所述第一电磁阀的入口和所述蒸汽过滤器的出口相连,所述蒸汽加热器的出口与所述蒸汽过滤器的出口之间并接入第一疏水器及第二疏水器,所述第一疏水器的出口及第二疏水器的出口均与电动三通阀的a口连接,所述电动三通阀的b口与所述冷却盘管的入口连接,所述电动三通阀的c口与所述新风预热换热器的入口连接,所述冷却盘管的出口与第二截止阀的入口之间接入第二电磁阀,所述新风预热换热器的出口与所述第二电磁阀的出口相连。
优选的,所述新风口、回风口及送风口均为电动调节型风口,且新风口、回风口及送风口均与控制器输出端电性连接。
优选的,所述蒸汽加热器、干蒸汽加湿器、第一疏水器及第二疏水器的安装高度均高于新风预热换热器及所述冷却盘管。
优选的,所述回风口上设有温湿度传感器,所述温湿度传感器的输出端与控制器的输入端电连接,所述控制器的输出端与所述电动三通阀、电动二通阀、第一电磁阀及第二电磁阀的输入端分别电连接。
优选的,所述的电动二通阀为比例积分型,所述第一电磁阀及第二电磁阀均为单向常闭电磁阀。
优选的,所述第一过滤器及第二过滤器为粗效过滤器、中效过滤器及高效过滤器中的一种。
与现有技术相比,本发明提供了一种余热回收节能型组合式空调机,具备以下有益效果:
1、该余热回收节能型组合式空调机,通过将蒸汽加热器的蒸汽凝结水引入新风预热器或冷却盘管中,实现新风预热或回风加热,实现了蒸汽凝结水热量的回收利用,且解决了常规组合式空调机蒸汽凝结水直接排放造成的环境热污染问题。
2、该余热回收节能型组合式空调机,通过将蒸汽流量调节的电动二通阀、湿度控制的电磁阀、排水控制的电磁阀、蒸汽疏水器及冷媒水截止阀、蒸汽截止阀、蒸汽过滤器等集成在管路及机组中,系统集约简化,免去了工程应用中的二次设计。
该装置中未涉及部分均与现有技术相同或可采用现有技术加以实现,本发明实现了蒸汽凝结水的无动力式热量回收,即利用蒸汽的余压及凝结水的自重无动力式流入新风预热换热器或冷却盘管,经济高效且实用价值高,且解决了常规组合式空调机蒸汽凝结水直接排放造成的环境热污染问题。
附图说明
图1为本发明提出的一种余热回收节能型组合式空调机的工作流程示意图。
图中:1箱体、2风机箱、3离心风机、4新风箱、5新风口、61第一过滤器、62第二过滤器、7新风预热换热器、8电控箱、9回风箱、10回风口、11温湿度传感器、12蒸汽加热器、13电动二通阀、14冷却加湿箱、151第一疏水器、152第二疏水器、161第一电磁阀、162第二电磁阀、17干蒸汽加湿器、18送风口、19电动三通阀、20冷却盘管、21蒸汽过滤器、221第一截止阀、222第二截止阀、223第三截止阀。
具体实施方式
下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分实施例,而不是全部的实施例。
参照图1,一种余热回收节能型组合式空调机,包括箱体1,箱体1的内部包括新风箱4,回风箱9,风机箱2,冷却加湿箱14,箱体1的外部固定设有电控箱8,新风箱4的外部设有新风口5,且新风箱4的内部设有第一过滤器61及新风预热换热器7,回风箱9外部设有回风口10,且回风箱9内部设有第二过滤器62及蒸汽加热器12,风机箱2内部设有离心风机3,冷却加湿箱14外部设有送风口18,且冷却加湿箱14内部设有冷却盘管20及干蒸汽加湿器17,冷却盘管20的入口处设有第一截止阀221,冷却盘管20的出口处设有第二截止阀222,蒸汽加热器12的入口处依次设有电动二通阀13、蒸汽过滤器21及第三截止阀223,干蒸汽加湿器17的入口处设有第一电磁阀161,第一电磁阀161的入口和蒸汽过滤器21的出口相连,蒸汽加热器12的出口与蒸汽过滤器21的出口之间并接入第一疏水器151及第二疏水器152,第一疏水器151的出口及第二疏水器152的出口均与电动三通阀19的a口连接,电动三通阀19的b口与冷却盘管20的入口连接,电动三通阀19的c口与新风预热换热器7的入口连接,冷却盘管20的出口与第二截止阀222的入口之间接入第二电磁阀162,新风预热换热器7的出口与第二电磁阀162的出口相连。
新风口5、回风口10及送风口18均为电动调节型风口,且新风口5、回风口10及送风口18均与控制器输出端电性连接。
蒸汽加热器12、干蒸汽加湿器17、第一疏水器151及第二疏水器152的安装高度均高于新风预热换热器7及冷却盘管20。
回风口10上设有温湿度传感器11,温湿度传感器11的输出端与控制器的输入端电连接,控制器的输出端与电动三通阀19、电动二通阀13、第一电磁阀161及第二电磁阀162的输入端分别电连接。
电动二通阀13为比例积分型,第一电磁阀161及第二电磁阀162均为单向常闭电磁阀。
第一过滤器61及第二过滤器62均为高效过滤器。
本发明中,使用时,0.3MPa(133℃)饱和水蒸气经第三截止阀223、蒸汽过滤器21后分成两个支路,第一支路流经第一电磁阀161后进入干蒸汽加湿器17,第二支路流经电动二通阀13后进入蒸汽加热器12,上述0.3MPa(133℃)饱和水蒸气与空气换热产生的凝结水经第一疏水器151、第二疏水器152的阻气排水,汇集后流入电动三通阀19的19a口,从电动三通阀19的19c口流出后进入新风预热换热器7中,与从新风口5流入新风箱4并经第一过滤器61过滤后的新风进行换热,最后排出。预热后的新风与从回风口10流入回风箱9并经第二过滤器62过滤后的回风进行混合,然后流经蒸汽加热器12,被加热后经离心风机3输送至冷却、加湿箱14,最后经干蒸汽加湿器17加湿处理后送入空调房间。该模式下新风口5、回风口10及送风口18处于开启状态,控制器根据温湿度传感器11的温湿度检测值控制电动二通阀13的开度,以及控制第一电磁阀161的启闭;当空调房间不需要引入新风,只进行闭式循环时,新风口5关闭,回风口10及送风口18处于开启状态,电动三通阀19的19a口与19b口连通。上述凝结水经电动三通阀19的19b口流入冷却盘管20中。回风从回风口10流入回风箱9,经第二过滤器62过滤后被离心风机3输送至冷却、加湿箱14,与冷却盘管20中的凝结水进行换热,最后经干蒸汽加湿器17加湿处理后送入空调房间。
以上所述,仅为本发明较佳的具体实施方式,但本发明的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,根据本发明的技术方案及其发明构思加以等同替换或改变,都应涵盖在本发明的保护范围之内。

Claims (4)

1.一种余热回收节能型组合式空调机,包括箱体(1),其特征在于,所述箱体(1)的内部包括新风箱(4),回风箱(9),风机箱(2),冷却加湿箱(14),所述箱体(1)的外部固定设有电控箱(8),所述新风箱(4)的外部设有新风口(5),且新风箱(4)的内部设有第一过滤器(61)及新风预热换热器(7),所述回风箱(9)外部设有回风口(10),且回风箱(9)内部设有第二过滤器(62)及蒸汽加热器(12),所述风机箱(2)内部设有离心风机(3),所述冷却加湿箱(14)外部设有送风口(18),且冷却加湿箱(14)内部设有冷却盘管(20)及干蒸汽加湿器(17),所述冷却盘管(20)的入口处设有第一截止阀(221),所述冷却盘管(20)的出口处设有第二截止阀(222),所述蒸汽加热器(12)的入口处依次设有电动二通阀(13)、蒸汽过滤器(21)及第三截止阀(223),所述干蒸汽加湿器(17)的入口处设有第一电磁阀(161),所述第一电磁阀(161)的入口和所述蒸汽过滤器(21)的出口相连,所述蒸汽加热器(12)的出口与所述蒸汽过滤器(21)的出口之间并接入第一疏水器(151)及第二疏水器(152),所述第一疏水器(151)的出口及第二疏水器(152)的出口均与电动三通阀(19)的a口连接,所述电动三通阀(19)的b口与所述冷却盘管(20)的入口连接,所述电动三通阀(19)的c口与所述新风预热换热器(7)的入口连接,所述冷却盘管(20)的出口与第二截止阀(222)的入口之间接入第二电磁阀(162),所述新风预热换热器(7)的出口与所述第二电磁阀(162)的出口相连;
所述新风口(5)、回风口(10)及送风口(18)均为电动调节型风口,且新风口(5)、回风口(10)及送风口(18)均与控制器输出端电性连接;
所述蒸汽加热器(12)、干蒸汽加湿器(17)、第一疏水器(151)及第二疏水器(152)的安装高度均高于新风预热换热器(7)及所述冷却盘管(20)。
2.根据权利要求1所述的一种余热回收节能型组合式空调机,其特征在于,所述回风口(10)上设有温湿度传感器(11),所述温湿度传感器(11)的输出端与控制器的输入端电连接,所述控制器的输出端与所述电动三通阀(19)、电动二通阀(13)、第一电磁阀(161)及第二电磁阀(162)的输入端分别电连接。
3.根据权利要求1所述的一种余热回收节能型组合式空调机,其特征在于,所述的电动二通阀(13)为比例积分型,所述第一电磁阀(161)及第二电磁阀(162)均为单向常闭电磁阀。
4.根据权利要求1所述的一种余热回收节能型组合式空调机,其特征在于,所述的第一过滤器(61)及第二过滤器(62)为粗效过滤器、中效过滤器及高效过滤器中的一种。
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