CN206572671U - The energy-saving mechanical cooling couple formula air-conditioner set of dew point indirect evaporative cooling - Google Patents
The energy-saving mechanical cooling couple formula air-conditioner set of dew point indirect evaporative cooling Download PDFInfo
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- 238000001816 cooling Methods 0.000 title claims abstract description 42
- 238000005057 refrigeration Methods 0.000 claims abstract description 33
- 239000003595 mist Substances 0.000 claims abstract description 30
- 238000011084 recovery Methods 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 77
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 238000004378 air conditioning Methods 0.000 abstract description 26
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000009290 primary effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
本实用新型公开的节能型露点间接蒸发冷却‑机械制冷耦合式空调机组，包括机组壳体，机组壳体相对的两侧壁上分别设置有新风口、送风口；机组壳体内按空气进入后流动方向依次设有中效过滤器、热回收单元、露点间接蒸发冷却器、高压微雾单元、表冷/加热单元及送风机，露点间接蒸发冷却器与高压微雾单元连接；热回收单元上方对应的机组壳体顶壁上设有回风口，回风口内设有回风阀；热回收单元下方对应的机组壳体底部设有排风口，排风口内设有排风机；露点间接蒸发冷却器上方对应的机组壳体顶壁上设有二次空气排风口。本实用新型节能型露点间接蒸发冷却‑机械制冷耦合式空调机组，不仅保证室内热舒适性和空气品质，还能降低空调系统能源浪费的问题。
The energy-saving dew point indirect evaporative cooling-mechanical refrigeration coupled air conditioner unit disclosed in the utility model includes a unit shell, and fresh air outlets and air supply ports are respectively arranged on the opposite side walls of the unit shell; The direction is equipped with a medium-efficiency filter, heat recovery unit, dew point indirect evaporative cooler, high-pressure micro-mist unit, surface cooling/heating unit, and blower. The dew-point indirect evaporative cooler is connected to the high-pressure micro-mist unit; There is an air return port on the top wall of the unit shell, and a return air valve is provided in the return air port; an air exhaust port is provided at the bottom of the unit shell corresponding to the heat recovery unit, and an exhaust fan is installed in the air exhaust port; the dew point indirect evaporative cooler A secondary air exhaust port is provided on the top wall of the corresponding unit casing above. The energy-saving dew point indirect evaporative cooling-mechanical refrigeration coupled air-conditioning unit of the utility model not only ensures indoor thermal comfort and air quality, but also reduces the energy waste of the air-conditioning system.
Description
技术领域technical field
本实用新型属于空调设备技术领域，具体涉及一种节能型露点间接蒸发冷却-机械制冷耦合式空调机组。The utility model belongs to the technical field of air-conditioning equipment, in particular to an energy-saving dew point indirect evaporative cooling-mechanical refrigeration coupled air-conditioning unit.
背景技术Background technique
近年来，在经济高速发展的同时，我国建筑能耗的总量已逐年上升至30％，并且环境问题堪忧，全国大部分城市雾霾严重，保证室内空气品质的呼声源源不断。In recent years, with the rapid economic development, the total energy consumption of buildings in my country has increased to 30% year by year, and the environmental problems are worrying. Most cities in the country are seriously smoggy, and there are continuous calls to ensure indoor air quality.
基于节能和保证室内空气品质的迫切需求，采用合理的方式，对能量进行有效及梯级利用，并将自然冷源、干空气能及机械制冷有效耦合，不仅能很好地满足室内空调要求，保证室内热舒适性和室内空气品质，还能有效降低空调系统能源浪费及高能耗的问题。Based on the urgent need to save energy and ensure indoor air quality, adopt a reasonable method to effectively and cascade the use of energy, and effectively couple natural cooling sources, dry air energy and mechanical refrigeration, which can not only meet the requirements of indoor air conditioning, but also ensure Indoor thermal comfort and indoor air quality can also effectively reduce the energy waste and high energy consumption of the air conditioning system.
基于以上背景，将中效过滤、热回收、露点间接蒸发冷却、高压喷雾直接蒸发冷却及机械制冷合理的耦合，不仅能充分发挥蒸发冷却的优势，还能辅助机械制冷，从而实现最大化利用干空气能降低能耗、能量有效和梯级利用以及保证送风品质，具有健康、舒适、节能及环保的特点，更符合当今的需求。Based on the above background, the reasonable coupling of medium-efficiency filtration, heat recovery, dew point indirect evaporative cooling, high-pressure spray direct evaporative cooling and mechanical refrigeration can not only give full play to the advantages of evaporative cooling, but also assist mechanical refrigeration, so as to maximize the use of dry air. Air can reduce energy consumption, use energy efficiently and cascade, and ensure the quality of air supply. It has the characteristics of health, comfort, energy saving and environmental protection, and is more in line with today's needs.
实用新型内容Utility model content
本实用新型的目的在于提供一种节能型露点间接蒸发冷却-机械制冷耦合式空调机组，通过对能量进行有效及梯级利用，并将自然冷源、干空气能及机械制冷合理耦合，不仅保证室内热舒适性和空气品质，还能降低空调系统能源浪费的问题。The purpose of this utility model is to provide an energy-saving dew point indirect evaporative cooling-mechanical refrigeration coupled air conditioning unit, through effective and cascade utilization of energy, and reasonable coupling of natural cold source, dry air energy and mechanical refrigeration, not only ensuring indoor Improve thermal comfort and air quality, and reduce energy waste in air conditioning systems.
本实用新型所采用的技术方案是，节能型露点间接蒸发冷却-机械制冷耦合式空调机组，包括有机组壳体，机组壳体相对的两侧壁上分别设置有新风口、送风口；机组壳体内按空气进入后流动方向依次设置有中效过滤器、热回收单元、露点间接蒸发冷却器、高压微雾单元、表冷/加热单元及送风机，且露点间接蒸发冷却器与高压微雾单元连接；热回收单元上方对应的机组壳体顶壁上设置有回风口，回风口内设置有回风阀；热回收单元下方对应的机组壳体底部设置有排风口，排风口内设置有排风机；露点间接蒸发冷却器上方对应的机组壳体顶壁上设置有二次空气排风口。The technical solution adopted in the utility model is that the energy-saving dew point indirect evaporative cooling-mechanical refrigeration coupled air conditioning unit includes an organic unit casing, and fresh air outlets and air supply outlets are respectively arranged on the opposite side walls of the unit casing; the unit casing According to the flow direction of the air entering the body, there are medium-efficiency filters, heat recovery units, dew point indirect evaporative coolers, high-pressure micro-mist units, surface cooling/heating units and blowers, and the dew-point indirect evaporative coolers are connected to high-pressure micro-mist units. ;The top wall of the unit housing corresponding to the heat recovery unit is provided with a return air outlet, and a return air valve is arranged in the return air outlet; the bottom of the unit housing corresponding to the heat recovery unit is provided with an exhaust outlet, and an exhaust fan is arranged in the exhaust outlet ; There is a secondary air outlet on the top wall of the unit shell corresponding to the dew point indirect evaporative cooler.
本实用新型的特点还在于：The utility model is also characterized in that:
新风口内设置有新风阀。A fresh air valve is arranged in the fresh air port.
送风口内设置有送风阀。An air supply valve is arranged in the air supply port.
热回收单元采用板翅式空气换热器。The heat recovery unit uses a plate-fin air heat exchanger.
送风机采用吸入式变频风机。The blower adopts the suction type frequency conversion fan.
露点间接蒸发冷却器，包括有换热芯体，换热芯体的上方依次设置有布水器及挡水板，换热芯体的下方设置有集水箱；集水箱连接出水管，出水管上分别设置有高效水处理器a、变频循环水泵，出水管通过蓄水管b与布水器连接，蓄水管b上设置有流量调节阀a，出水管还通过蓄水管a与高压微雾单元连接，蓄水管a上分别设置有流量调节阀b、高效水处理器b。The dew point indirect evaporative cooler includes a heat exchange core, a water distributor and a water baffle are arranged above the heat exchange core in turn, and a water collection tank is installed under the heat exchange core; the water collection tank is connected to the water outlet pipe, and the water outlet pipe A high-efficiency water processor a and a frequency conversion circulating water pump are installed respectively. The water outlet pipe is connected to the water distributor through the water storage pipe b. A flow regulating valve a is installed on the water storage pipe b. The units are connected, and the water storage pipe a is respectively provided with a flow regulating valve b and a high-efficiency water processor b.
高压微雾单元由竖直设置的高压微雾管和多个均匀设置于高压微雾管上且面向露点间接蒸发冷却器喷淋的雾化喷嘴构成；高压微雾管与蓄水管a连接。The high-pressure micro-mist unit is composed of a vertically arranged high-pressure micro-mist tube and a plurality of atomizing nozzles evenly arranged on the high-pressure micro-mist tube and spraying toward the dew point indirect evaporative cooler; the high-pressure micro-mist tube is connected to the water storage pipe a.
高效水处理器a和变频循环水泵均位于集水箱内；集水箱内设置有浮球阀；集水箱连接有补水管。The high-efficiency water processor a and the frequency conversion circulating water pump are both located in the water collection tank; a float valve is arranged in the water collection tank; the water collection tank is connected with a water supply pipe.
换热芯体为叉流式换热芯体。The heat exchange core is a cross-flow heat exchange core.
表冷/加热单元上分别连接有凝结水管、供水管及回水管。The surface cooling/heating unit is respectively connected with a condensation water pipe, a water supply pipe and a water return pipe.
本实用新型的有益效果在于：The beneficial effects of the utility model are:
(1)在本实用新型节能型露点间接蒸发冷却-机械制冷耦合式空调机组中，利用中效过滤器对新风进行处理，与传统组合式空调机组中的初效过滤器相比，过滤效果明显提升，能捕集1μm～5μm的颗粒灰尘及各种悬浮物，并且能防止露点间接蒸发冷却器芯体的堵塞和高压微雾单元内雾化喷嘴的堵塞，不仅能确保空调机组稳定运行，还能极大保证送风空气的品质。(1) In the energy-saving dew point indirect evaporative cooling-mechanical refrigeration coupled air-conditioning unit of the present invention, the medium-effect filter is used to process the fresh air. Compared with the primary-effect filter in the traditional combined air-conditioning unit, the filtering effect is obvious Lifting, can capture 1μm ~ 5μm particle dust and various suspended solids, and can prevent the clogging of the core of the dew point indirect evaporative cooler and the clogging of the atomizing nozzle in the high-pressure micro-mist unit, not only ensuring the stable operation of the air conditioning unit, but also Can greatly guarantee the quality of the air supply.
(2)在本实用新型节能型露点间接蒸发冷却-机械制冷耦合式空调机组中，热回收单元内采用板翅式空气换热器，其换热效率高，并且新风只回收回风中的“冷量/热量”，而不与回风直接接触，保证了新风“干空气能”的品质，实现对新风的预冷\预热，降低露点间接单元进风的干球温度，相应提高露点间接蒸发冷却器的效率，并且机组实现全新风送风，能很大程度上改善室内空气品质。(2) In the energy-saving dew point indirect evaporative cooling-mechanical refrigeration coupled air conditioning unit of the present invention, the plate-fin air heat exchanger is used in the heat recovery unit, and its heat exchange efficiency is high, and the fresh air only recovers the " "Cooling capacity/heat" without direct contact with the return air, which ensures the quality of the "dry air energy" of the fresh air, realizes the precooling/preheating of the fresh air, reduces the dry bulb temperature of the dew point indirect unit air inlet, and correspondingly increases the dew point indirect The efficiency of the evaporative cooler, and the unit realizes fresh air supply, which can greatly improve the indoor air quality.
(3)在本实用新型节能型露点间接蒸发冷却-机械制冷耦合式空调机组中，露点间接蒸发冷却器内的换热芯体采用叉流式，一次空气被等湿降温到亚湿球温，因此与其他间接蒸发冷却器相比，打破干湿球温差极限，逼近露点温度，充分发挥蒸发冷却技术的潜力。(3) In the energy-saving dew point indirect evaporative cooling-mechanical refrigeration coupled air conditioning unit of the present invention, the heat exchange core in the dew point indirect evaporative cooler adopts a cross-flow type, and the primary air is cooled to sub-humid bulb temperature by isohumidity. Therefore, compared with other indirect evaporative coolers, it breaks the limit of the temperature difference between dry and wet bulbs, approaches the dew point temperature, and fully utilizes the potential of evaporative cooling technology.
(4)在本实用新型节能型露点间接蒸发冷却-机械制冷耦合式空调机组中，露点间接蒸发冷却器中的二次空气的排风温度与室外空气相比温度低，因此本实用新型节能型露点间接蒸发冷却-机械制冷耦合式空调机组将二次空气通过二次空气排风口引入室内高显热区域(例如：控制机房、吊顶灯具照明处等)进行降温，提高能量利用效率及空调机组能效比。(4) In the energy-saving dew-point indirect evaporative cooling-mechanical refrigeration coupled air-conditioning unit of the utility model, the exhaust temperature of the secondary air in the dew-point indirect evaporative cooler is lower than that of the outdoor air, so the energy-saving type of the utility model Dew point indirect evaporative cooling-mechanical refrigeration coupled air conditioner unit introduces secondary air into indoor high sensible heat areas (such as: control room, ceiling lamp lighting, etc.) energy efficiency ratio.
(5)在本实用新型节能型露点间接蒸发冷却-机械制冷耦合式空调机组，将露点间接蒸发冷却器产生的较低温度的冷水通过喷雾的方式与该单元内多级等湿冷却的一次空气发生热湿交换，不仅增大了空气与水的接触面积，提高热湿交换效率，还能有效调节一次空气加湿程度，并且不采用填料，防止填料腐烂而造成的对空气的污染，高压微雾的形式能洗涤吸附空气中的尘埃和可溶性有害气体，对空气有净化效果，高压微雾单元与露点间接蒸发冷却器共用一个集水箱，使机组尺寸减小，节省初投资。(5) In the energy-saving dew point indirect evaporative cooling-mechanical refrigeration coupled air conditioning unit of the present invention, the lower temperature cold water produced by the dew point indirect evaporative cooler is sprayed with the primary air of multi-stage equal wet cooling in the unit Heat and moisture exchange occurs, which not only increases the contact area between air and water, improves the efficiency of heat and moisture exchange, but also effectively adjusts the degree of primary air humidification, and does not use fillers to prevent air pollution caused by filler rot. High-pressure micro-mist The form can wash and absorb dust and soluble harmful gases in the air, and has a purifying effect on the air. The high-pressure micro-mist unit and the dew point indirect evaporative cooler share a water collection tank, which reduces the size of the unit and saves initial investment.
(6)在本实用新型节能型露点间接蒸发冷却-机械制冷耦合式空调机组中，表冷/加热单元采用外冷式，其表冷器/加热器只需要通入冷水/热水，这就意味着本实用新型节能型露点间接蒸发冷却-机械制冷耦合式空调机组能与不同的冷热源系统相匹配(例如：常规冷水机组、空气源热泵、地源热泵及水源热泵等)，拓宽了其应用范围，并且能实现能源互补。(6) In the energy-saving dew point indirect evaporative cooling-mechanical refrigeration coupled air conditioning unit of the present invention, the surface cooling/heating unit adopts the external cooling type, and the surface cooling/heater only needs to be fed with cold water/hot water, which is It means that the energy-saving dew point indirect evaporative cooling-mechanical refrigeration coupled air conditioner unit of the utility model can be matched with different cold and heat source systems (for example: conventional chillers, air source heat pumps, ground source heat pumps and water source heat pumps, etc.), broadening the Its range of applications, and can achieve energy complementarity.
(7)在本实用新型节能型露点间接蒸发冷却-机械制冷耦合式空调机组中，将热回收、蒸发冷却的不同形式与机械制冷相耦合，实现能量有效及梯级利用，且机组运行可靠、功能多样化，使其适用范围更广。(7) In the energy-saving dew point indirect evaporative cooling-mechanical refrigeration coupled air conditioning unit of the utility model, different forms of heat recovery and evaporative cooling are coupled with mechanical refrigeration to realize efficient energy and cascade utilization, and the unit operates reliably and functions Diversification makes it applicable to a wider range.
附图说明Description of drawings
图1是本实用新型节能型露点间接蒸发冷却-机械制冷耦合式空调机组的结构示意图。Fig. 1 is a structural schematic diagram of an energy-saving dew point indirect evaporative cooling-mechanical refrigeration coupled air conditioner unit of the present invention.
图中，1.新风口，2.新风阀，3.送风阀，4.送风口，5.中效过滤器，6.热回收单元，7.回风口，8.排风口，9.露点间接蒸发冷却器，10.二次空气排风口，11.换热芯体，12.挡水板，13.布水器，14.补水管，15.浮球阀，16.集水箱，17.高效水处理器a，18.变频循环水泵，19.流量调节阀a，20.高效水处理器b，21.蓄水管a，22.雾化喷嘴，23.高压微雾管，24.表冷/加热单元，25.凝结水管，26.供水管，27.回水管，28.送风机，29.蓄水管b，30.流量调节阀b，31.出水管。In the figure, 1. Fresh air outlet, 2. Fresh air valve, 3. Air supply valve, 4. Air supply outlet, 5. Medium-efficiency filter, 6. Heat recovery unit, 7. Return air outlet, 8. Exhaust air outlet, 9. Dew point indirect evaporative cooler, 10. Secondary air outlet, 11. Heat exchange core, 12. Water baffle, 13. Water distributor, 14. Water supply pipe, 15. Float valve, 16. Water collection tank, 17 . High-efficiency water processor a, 18. Frequency conversion circulating water pump, 19. Flow regulating valve a, 20. High-efficiency water processor b, 21. Water storage pipe a, 22. Atomizing nozzle, 23. High-pressure micro-mist pipe, 24. Surface cooling/heating unit, 25. Condensate water pipe, 26. Water supply pipe, 27. Return water pipe, 28. Blower fan, 29. Water storage pipe b, 30. Flow regulating valve b, 31. Water outlet pipe.
具体实施方式detailed description
下面结合附图和具体实施方式对本实用新型进行详细说明。The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
本实用新型节能型露点间接蒸发冷却-机械制冷耦合式空调机组，其结构如图1所示，包括有机组壳体，机组壳体相对的两侧壁上分别设置有新风口1、送风口4；机组壳体内按空气进入后流动方向依次设置有中效过滤器5、热回收单元6、露点间接蒸发冷却器9、高压微雾单元、表冷/加热单元24及送风机28，且露点间接蒸发冷却器9与高压微雾单元连接；热回收单元6上方对应的机组壳体顶壁上设置有回风口7，热回收单元6下方对应的机组壳体底部设置有排风口8，露点间接蒸发冷却器9上方对应的机组壳体顶壁上设置有二次空气排风口10。The energy-saving dew point indirect evaporative cooling-mechanical refrigeration coupled air conditioning unit of the utility model has a structure as shown in Figure 1, including a unit casing, and fresh air outlets 1 and air supply outlets 4 are respectively arranged on the opposite side walls of the unit casing. ;In the casing of the unit, according to the flow direction after the air enters, there are medium-efficiency filters 5, heat recovery units 6, dew point indirect evaporative coolers 9, high-pressure micro-mist units, surface cooling/heating units 24 and blowers 28, and dew point indirect evaporation The cooler 9 is connected to the high-pressure micro-mist unit; the top wall of the unit shell corresponding to the heat recovery unit 6 is provided with a return air outlet 7, and the bottom of the unit shell corresponding to the heat recovery unit 6 is provided with an exhaust port 8, and the dew point is indirectly evaporated A secondary air exhaust port 10 is provided on the corresponding top wall of the casing above the cooler 9 .
新风口1内设置有新风阀2；送风口4内设置有送风阀3。A fresh air valve 2 is arranged in the fresh air outlet 1 ; an air supply valve 3 is arranged in the air supply outlet 4 .
排风口8内设置有排风机，回风口7内设置有回风阀。An exhaust fan is arranged in the air exhaust port 8, and an air return valve is arranged in the air return port 7.
热回收单元6采用板翅式空气换热器。The heat recovery unit 6 adopts a plate-fin air heat exchanger.
送风机28采用吸入式变频风机。Blower 28 adopts suction type variable frequency fan.
露点间接蒸发冷却器9，如图1所示，包括有换热芯体11，换热芯体11的上方依次设置有布水器13及挡水板12，换热芯体11的下方设置有集水箱16；集水箱16连接出水管31，出水管31上分别设置有高效水处理器a17、变频循环水泵18，出水管31通过蓄水管b29与布水器13连接，蓄水管b29上设置有流量调节阀a19，出水管31还通过蓄水管a21与高压微雾单元连接，且蓄水管a21上分别设置有流量调节阀b30、高效水处理器b20。The dew point indirect evaporative cooler 9, as shown in FIG. The water collection tank 16; the water collection tank 16 is connected to the water outlet pipe 31, and the water outlet pipe 31 is respectively provided with a high-efficiency water processor a17 and a frequency conversion circulating water pump 18, and the water outlet pipe 31 is connected to the water distributor 13 through the water storage pipe b29, and the water storage pipe b29 A flow regulating valve a19 is provided, and the outlet pipe 31 is also connected to the high-pressure micro-mist unit through the water storage pipe a21, and the water storage pipe a21 is respectively provided with a flow regulating valve b30 and a high-efficiency water processor b20.
换热芯体11为叉流式换热芯体。The heat exchange core 11 is a cross-flow heat exchange core.
高效水处理器a17和变频循环水泵18均位于集水箱16内。集水箱16内设置有浮球阀15，集水箱16连接有补水管14。Both the high-efficiency water processor a17 and the variable frequency circulating water pump 18 are located in the water collecting tank 16 . A float valve 15 is arranged in the water collecting tank 16, and the water collecting tank 16 is connected with a water supply pipe 14.
高压微雾单元可以根据需要设置多个。高压微雾单元由竖直设置的高压微雾管23和多个均匀设置于高压微雾管23上且面向露点间接蒸发冷却器9喷淋的雾化喷嘴22构成，高压微雾管23与蓄水管a21连接。Multiple high-pressure micro-mist units can be set up as needed. The high-pressure micro-mist unit is composed of a vertically arranged high-pressure micro-mist tube 23 and a plurality of atomizing nozzles 22 evenly arranged on the high-pressure micro-mist tube 23 and spraying toward the dew point indirect evaporative cooler 9. The water pipe a21 is connected.
表冷/加热单元24上分别连接有凝结水管25、供水管26及回水管27。The surface cooling/heating unit 24 is respectively connected with a condensation water pipe 25 , a water supply pipe 26 and a water return pipe 27 .
本实用新型节能型露点间接蒸发冷却-机械制冷耦合式空调机组，其工作过程具体如下：The utility model energy-saving dew point indirect evaporative cooling-mechanical refrigeration coupled air conditioning unit, its working process is as follows:
(1)夏季运行(供冷)：(1) Summer operation (cooling):
当室外空气状态点落在室内空气状态点左侧时，开启中效过滤器5、热回收单元6(板翅式空气换热器)、露点间接蒸发冷却器9、高压微雾单元及送风机28(吸入式变频风机)，具体供冷过程如下：When the outdoor air state point falls on the left side of the indoor air state point, turn on the medium-efficiency filter 5, heat recovery unit 6 (plate-fin air heat exchanger), dew point indirect evaporative cooler 9, high-pressure micro-mist unit and blower 28 (suction frequency conversion fan), the specific cooling process is as follows:
室外新风经新风口1进入机组壳体内，由中效过滤器5对新风进行过滤处理，形成洁净的新风；洁净的新风沿流动方向进入热回收单元6(板翅式空气换热器)内，同时室内的回风由回风口7也进入热回收单元6(板翅式空气换热器)内，室内的回风在热回收单元6(板翅式空气换热器)内经热交换后由排风口8排出，这时洁净的新风回收回风中的冷量(等湿冷却)后沿流动方向进入露点间接蒸发冷却器9内进行等湿冷却，在露点间接蒸发冷却器9中，二次空气经二次空气排风口10进入后被收集起来用于处理室内高显热区域而不是直接排出，一次空气继续沿流动方向进入高压微雾单元内进行等焓降温后，形成符合送风条件的冷风；冷风在送风机28(吸入式变频风机)的作用下经送风口4送入空调区域。The outdoor fresh air enters the unit shell through the fresh air port 1, and the fresh air is filtered by the medium-efficiency filter 5 to form clean fresh air; the clean fresh air enters the heat recovery unit 6 (plate-fin air heat exchanger) along the flow direction, At the same time, the indoor return air also enters the heat recovery unit 6 (plate-fin air heat exchanger) through the return air outlet 7, and the indoor return air is exchanged in the heat recovery unit 6 (plate-fin air heat exchanger). The air outlet 8 is discharged. At this time, the clean fresh air recycles the cooling capacity in the return air (equal wet cooling) and then enters the dew point indirect evaporative cooler 9 along the flow direction for equal wet cooling. In the dew point indirect evaporative cooler 9, the secondary After the air enters through the secondary air exhaust port 10, it is collected and used to treat the high sensible heat area in the room instead of being discharged directly. The primary air continues to enter the high-pressure micro-mist unit along the flow direction for isenthalpic cooling to form air that meets the air supply conditions. cold wind; the cold wind is sent into the air-conditioning area through the air outlet 4 under the effect of the air blower 28 (suction frequency conversion fan).
当室外空气状态点落在室内状态点右侧时，开启中效过滤器5、热回收单元6(板翅式空气换热器)、露点间接蒸发冷却器9、表冷/加热单元24(这里作为表冷器使用)及送风机28(吸入式变频风机)，具体供冷过程如下：When the outdoor air state point falls on the right side of the indoor state point, turn on the medium-efficiency filter 5, the heat recovery unit 6 (plate-fin air heat exchanger), the dew point indirect evaporative cooler 9, and the surface cooling/heating unit 24 (here Used as a surface cooler) and blower 28 (suction frequency conversion fan), the specific cooling process is as follows:
室外新风经新风口1进入机组壳体内，由中效过滤器5对新风进行过滤处理，形成洁净的新风；洁净的新风沿流动方向进入热回收单元6(板翅式空气换热器)内，同时室内的回风由回风口7也进入热回收单元6(板翅式空气换热器)内，室内的回风在热回收单元6(板翅式空气换热器)内经热交换后由排风口8排出，这时洁净的新风回收回风中的冷量(等湿冷却)后沿流动方向进入露点间接蒸发冷却器9内进行等湿冷却，在露点间接蒸发冷却器9中，二次空气经二次空气排风口10进入后收集起来用于处理室内高显热区域而不是直接排出，一次空气继续沿流动方向进入表冷/加热单元24(此时表冷/加热单元24作为表冷器使用)内进行冷却除湿处理后，形成符合送风条件的冷风；冷风则在送风机28(吸入式变频风机)的作用下经送风口4送入空调区域。The outdoor fresh air enters the unit shell through the fresh air port 1, and the fresh air is filtered by the medium-efficiency filter 5 to form clean fresh air; the clean fresh air enters the heat recovery unit 6 (plate-fin air heat exchanger) along the flow direction, At the same time, the indoor return air also enters the heat recovery unit 6 (plate-fin air heat exchanger) through the return air outlet 7, and the indoor return air is exchanged in the heat recovery unit 6 (plate-fin air heat exchanger). The air outlet 8 is discharged. At this time, the clean fresh air recycles the cooling capacity in the return air (equal wet cooling) and then enters the dew point indirect evaporative cooler 9 along the flow direction for equal wet cooling. In the dew point indirect evaporative cooler 9, the secondary The air enters through the secondary air exhaust port 10 and is collected to be used for treating the high sensible heat area in the room instead of being discharged directly. After the cooling and dehumidification treatment in the cooler, form the cold wind that meets the air supply conditions; the cold wind is sent into the air-conditioning area through the air supply port 4 under the effect of the blower 28 (suction frequency conversion fan).
(2)冬季运行(供热)：(2) Winter operation (heating):
通过开启中效过滤器5、热回收单元6(板翅式空气换热器)、高压微雾单元、表冷/加热单元24(这里作为加热器使用)和送风机28(吸入式变频风机)，具体供冷过程如下：By opening the medium-efficiency filter 5, the heat recovery unit 6 (plate-fin air heat exchanger), the high-pressure micro-mist unit, the surface cooling/heating unit 24 (used as a heater here) and the blower 28 (suction frequency conversion fan), The specific cooling process is as follows:
室外新风经新风口1进入机组壳体内，由中效过滤器5对新风进行过滤处理，形成洁净的新风；洁净的新风沿流动方向进入热回收单元6(板翅式空气换热器)内，同时室内的回风由回风口7也进入热回收单元6(板翅式空气换热器)内，室内的回风在热回收单元6(板翅式空气换热器)内经热交换后由排风口8排出，这时洁净的新风回收回风中的热量(等湿加热)后沿流动方向进入高压微雾单元内进行等焓加湿后，沿流动方向进入表冷/加热单元24内(此时表冷/加热单元24作为加热器使用)进行等湿加热处理后，形成符合送风条件的暖风；暖风则在送风机28(吸入式变频风机)的作用下经送风口4送入空调区域。The outdoor fresh air enters the unit shell through the fresh air port 1, and the fresh air is filtered by the medium-efficiency filter 5 to form clean fresh air; the clean fresh air enters the heat recovery unit 6 (plate-fin air heat exchanger) along the flow direction, At the same time, the indoor return air also enters the heat recovery unit 6 (plate-fin air heat exchanger) through the return air outlet 7, and the indoor return air is exchanged in the heat recovery unit 6 (plate-fin air heat exchanger). The air outlet 8 is discharged, and at this time, the clean fresh air recovers the heat in the return air (equal humidity heating) and then enters the high-pressure micro-mist unit along the flow direction for isenthalpic humidification, and then enters the surface cooling/heating unit 24 along the flow direction (this (time table cooling/heating unit 24 is used as a heater) after the wet heat treatment is carried out, the warm air that meets the air supply conditions is formed; area.
(3)过渡季节运行：(3) Transition season operation:
可根据实际情况(室外空气温湿度满足要求)只开中效过滤器5及送风机28(吸入式变频风机)，具体工作过程如下：According to the actual situation (outdoor air temperature and humidity meet the requirements), only the medium-efficiency filter 5 and the blower 28 (suction frequency conversion fan) can be turned on. The specific working process is as follows:
室外新风经新风口1进入机组壳体内，由中效过滤器5对新风进行过滤处理，形成洁净的新风；洁净的新风沿流动方向流动最终在送风机28(吸入式变频风机)的作用下经送风口4送入空调区域。The outdoor fresh air enters the unit casing through the fresh air port 1, and the fresh air is filtered by the medium-efficiency filter 5 to form clean fresh air; the clean fresh air flows along the flow direction and is finally sent by the blower 28 (suction frequency conversion fan). The tuyere 4 is sent into the air-conditioning area.
本实用新型节能型露点间接蒸发冷却-机械制冷耦合式空调机组，可以根据不同的室外气象条件和不同室内环境要求，开启机组内的不同功能段，将空调要求、室内空气品质及节能三者综合起来，是一种健康、舒适、环保、节能及运行可靠的空调机组。The energy-saving dew point indirect evaporative cooling-mechanical refrigeration coupled air conditioning unit of the utility model can open different functional sections in the unit according to different outdoor meteorological conditions and different indoor environmental requirements, and integrate air conditioning requirements, indoor air quality and energy saving. It is a healthy, comfortable, environmentally friendly, energy-saving and reliable air-conditioning unit.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111197832A (en) * | 2020-02-28 | 2020-05-26 | 西安工程大学 | Air conditioning unit combining rotary wheel type heat recovery evaporative cooling and mechanical refrigeration |
| CN115342464A (en) * | 2022-09-05 | 2022-11-15 | 珠海格力电器股份有限公司 | Heat exchange device, control method and air conditioner |
| CN115388480A (en) * | 2022-09-05 | 2022-11-25 | 珠海格力电器股份有限公司 | Air conditioning unit and control method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111197832A (en) * | 2020-02-28 | 2020-05-26 | 西安工程大学 | Air conditioning unit combining rotary wheel type heat recovery evaporative cooling and mechanical refrigeration |
| CN115342464A (en) * | 2022-09-05 | 2022-11-15 | 珠海格力电器股份有限公司 | Heat exchange device, control method and air conditioner |
| CN115388480A (en) * | 2022-09-05 | 2022-11-25 | 珠海格力电器股份有限公司 | Air conditioning unit and control method thereof |
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