CN212108844U - Air conditioning unit based on rotary heat recovery, indirect evaporative cooling and mechanical refrigeration - Google Patents

Air conditioning unit based on rotary heat recovery, indirect evaporative cooling and mechanical refrigeration Download PDF

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CN212108844U
CN212108844U CN202020227746.7U CN202020227746U CN212108844U CN 212108844 U CN212108844 U CN 212108844U CN 202020227746 U CN202020227746 U CN 202020227746U CN 212108844 U CN212108844 U CN 212108844U
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air
unit
mechanical refrigeration
evaporative cooling
indirect evaporative
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黄翔
王颖
寇凡
常健佩
杜妍
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Xian Polytechnic University
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Xian Polytechnic University
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Abstract

本实用新型公开了一种基于转轮式热回收、间接蒸发冷却及机械制冷的空调机组,包括机组壳体,机组壳体内形成呈上下分布的上风道和下风道,上风道对应机组壳体的两侧壁分别设置有排风口a和排风口b,下风道对应机组壳体的两侧壁分别设置有进风口a和送风口,机组壳体内按照进风的流动方向依次设置有转轮式热回收器、立管间接蒸发冷却单元、机械制冷单元及转轮除湿机,立管间接蒸发冷却单元两侧分别设置有二次风阀a和二次风阀b,机械制冷单元对应的机组壳体顶部设置有进风口b。本实用新型解决了单独使用蒸发冷却系统或机械制冷系统时,降温幅度有限以及能耗较大的问题,实现蒸发冷却与机械制冷的优势互补,充分提高机组的能效比。

Figure 202020227746

The utility model discloses an air conditioning unit based on runner-type heat recovery, indirect evaporative cooling and mechanical refrigeration. The air conditioner comprises a unit casing. The unit casing is formed with upper air ducts and lower air ducts distributed up and down. The two side walls are respectively provided with an air outlet a and an air outlet b, and the two side walls of the lower air duct corresponding to the unit casing are respectively provided with an air inlet a and an air supply outlet, and the unit casing is provided with runners in sequence according to the flow direction of the air inlet. Type heat recovery unit, indirect riser evaporative cooling unit, mechanical refrigeration unit and rotary dehumidifier, secondary air valve a and secondary air valve b are respectively set on both sides of the riser indirect evaporative cooling unit, and the unit corresponding to the mechanical refrigeration unit The top of the casing is provided with an air inlet b. The utility model solves the problems of limited cooling range and large energy consumption when the evaporative cooling system or the mechanical refrigeration system is used alone, realizes the complementary advantages of the evaporative cooling and the mechanical refrigeration, and fully improves the energy efficiency ratio of the unit.

Figure 202020227746

Description

基于转轮式热回收、间接蒸发冷却及机械制冷的空调机组Air conditioning unit based on rotary heat recovery, indirect evaporative cooling and mechanical refrigeration

技术领域technical field

本实用新型属于空调设备技术领域,涉及一种基于转轮式热回收、间接蒸发冷却及机械制冷的空调机组。The utility model belongs to the technical field of air-conditioning equipment, and relates to an air-conditioning unit based on runner-type heat recovery, indirect evaporative cooling and mechanical refrigeration.

背景技术Background technique

随着经济的快速发展,科技不断的进步,人们的生活水平也得到了质的改善,空调已成维持室内舒适性的必需品,与此同时空调建筑数量大幅增加,我国能源面临着诸多挑战,节能减排已经成为我国一项基本的国策。在节能减排和降低运营成本的双重压力下,传统机械制冷空调方式面临转型升级,急需开展对空调行业的节能研究;一方面是充分利用和挖掘一些余热和废热,提高能源利用率,另一方面是考虑使用节能的空调新技术。With the rapid development of the economy and the continuous advancement of science and technology, people's living standards have also been qualitatively improved. Air conditioning has become a necessity to maintain indoor comfort. At the same time, the number of air-conditioned buildings has increased significantly. my country's energy is facing many challenges. Emission reduction has become a basic national policy in my country. Under the dual pressures of energy conservation and emission reduction and reduction of operating costs, traditional mechanical refrigeration and air-conditioning methods are facing transformation and upgrading, and it is urgent to carry out energy-saving research on the air-conditioning industry. One aspect is to consider the use of new energy-saving air conditioning technology.

蒸发冷却空调技术具有节能、低碳、经济、健康的独特优势,但是蒸发冷却技术的应用具有地域性和季节性限制且制冷量和送风温度受外界环境因素影响较大。机械制冷技术可以制取温度较稳定的冷量,但相比而言耗能较大。Evaporative cooling air conditioning technology has the unique advantages of energy saving, low carbon, economy and health, but the application of evaporative cooling technology has regional and seasonal restrictions, and the cooling capacity and supply air temperature are greatly affected by external environmental factors. Mechanical refrigeration technology can produce relatively stable cooling capacity, but it consumes more energy in comparison.

实用新型内容Utility model content

本实用新型的目的是提供一种基于转轮式热回收、间接蒸发冷却及机械制冷的空调机组,解决了单独使用蒸发冷却系统或机械制冷系统时,降温幅度有限以及能耗较大的问题,实现蒸发冷却与机械制冷的优势互补,充分提高机组的能效比。The purpose of this utility model is to provide an air-conditioning unit based on runner-type heat recovery, indirect evaporative cooling and mechanical refrigeration, which solves the problems of limited cooling range and large energy consumption when using evaporative cooling system or mechanical refrigeration system alone, Realize the complementary advantages of evaporative cooling and mechanical refrigeration, and fully improve the energy efficiency ratio of the unit.

本实用新型所采用的技术方案是,基于转轮式热回收、间接蒸发冷却及机械制冷的空调机组,包括机组壳体,机组壳体内形成呈上下分布的上风道和下风道,上风道对应机组壳体的两侧壁分别设置有排风口a和排风口b,下风道对应机组壳体的两侧壁分别设置有进风口a和送风口,进风口a和送风口分别与排风口a和排风口b位于同一侧壁,机组壳体内按照进风的流动方向依次设置有转轮式热回收器、立管间接蒸发冷却单元、机械制冷单元及转轮除湿机,转轮式热回收器、立管间接蒸发冷却单元、机械制冷单元及转轮除湿机均贯穿上风道和下风道,立管间接蒸发冷却单元位于上风道靠近转轮式热回收器和机械制冷单元的一侧分别设置有二次风阀a和二次风阀b,机械制冷单元对应的机组壳体顶部设置有进风口b。The technical scheme adopted by the present utility model is that an air-conditioning unit based on runner-type heat recovery, indirect evaporative cooling and mechanical refrigeration includes a unit shell, and an upper air duct and a lower air duct distributed up and down are formed in the unit housing, and the upper air duct corresponds to the unit. The two side walls of the casing are respectively provided with an air outlet a and an air outlet b. The two side walls of the lower air duct corresponding to the unit casing are respectively provided with an air inlet a and an air supply outlet. a and the air outlet b are located on the same side wall. According to the flow direction of the air intake, the unit shell is provided with a rotary heat recovery device, a riser indirect evaporative cooling unit, a mechanical refrigeration unit and a rotary dehumidifier. The recycler, the riser indirect evaporative cooling unit, the mechanical refrigeration unit and the rotary dehumidifier all run through the upper air duct and the lower air duct, and the riser indirect evaporative cooling unit is located on the side of the upper air duct close to the rotary heat recovery unit and the mechanical refrigeration unit, respectively. A secondary air valve a and a secondary air valve b are provided, and an air inlet b is provided on the top of the unit casing corresponding to the mechanical refrigeration unit.

本实用新型的特征还在于,The utility model is also characterized in that,

转轮式热回收器的新风侧位于下风道内,转轮式热回收器的排风侧位于上风道内。The fresh air side of the rotary heat recovery device is located in the lower air channel, and the exhaust air side of the rotary heat recovery device is located in the upper air channel.

立管间接蒸发冷却单元包括对应进风口a设置的立管间接蒸发冷却器,立管间接蒸发冷却器上方按照由下到上依次设置有布水装置、挡水板以及二次风机,立管间接蒸发冷却器下方设置有蓄水箱,蓄水箱和布水装置通过供水管连通,二次风阀a和二次风阀b设置在挡水板和二次风机之间对应的立管间接蒸发冷却单元壳体上。The riser indirect evaporative cooling unit includes a riser indirect evaporative cooler corresponding to the air inlet a. Above the riser indirect evaporative cooler, a water distribution device, a water baffle and a secondary fan are arranged in order from bottom to top. A water storage tank is arranged below the evaporative cooler. The water storage tank and the water distribution device are connected through a water supply pipe. The secondary air valve a and the secondary air valve b are arranged between the water baffle and the secondary fan. The corresponding riser is indirectly evaporative cooling. on the unit housing.

供水管上设置有循环水泵和调节阀。The water supply pipe is provided with a circulating water pump and a regulating valve.

蓄水箱内设置有浮球阀。A floating ball valve is arranged in the water storage tank.

机械制冷单元包括设置在下风道内的蒸发器,蒸发器通过管路依次连接有膨胀阀、冷凝器及压缩机并形成闭合循环回路,冷凝器及压缩机位于上风道内,膨胀阀位于下风道内。The mechanical refrigeration unit includes an evaporator arranged in the lower air duct. The evaporator is sequentially connected with an expansion valve, a condenser and a compressor through a pipeline to form a closed loop. The condenser and the compressor are located in the upper air duct, and the expansion valve is located in the lower air duct.

上风道内位于机械制冷单元和转轮除湿机之间还设置有空气加热器。An air heater is also arranged in the upper air duct between the mechanical refrigeration unit and the rotary dehumidifier.

转轮除湿机的除湿区位于下风道内,转轮除湿机的再生区位于上风道内。The dehumidification area of the rotary dehumidifier is located in the lower air duct, and the regeneration area of the rotary dehumidifier is located in the upper air duct.

送风口、排风口a和排风口b处分别设置有送风机、排风机a及排风机 b。A supply fan, an exhaust fan a and an exhaust fan b are respectively provided at the air supply port, the air exhaust port a and the air exhaust port b.

进风口a和转轮式热回收器之间还设置有粗效过滤器。A coarse filter is also arranged between the air inlet a and the rotary heat recovery device.

本实用新型的有益效果是:The beneficial effects of the present utility model are:

(1)本实用新型的空调机组,运行模式多样化,将蒸发冷却系统与机械制冷系统相结合,依据气象条件和建筑物内温湿度要求切换运行模式,解决了单独使用蒸发冷却系统或机械制冷系统时,降温幅度有限以及能耗较大的问题,实现蒸发冷却与机械制冷的优势互补,充分提高机组的能效比。(1) The air-conditioning unit of the present utility model has diversified operation modes, combines the evaporative cooling system with the mechanical refrigeration system, and switches the operation mode according to the weather conditions and the temperature and humidity requirements in the building, which solves the problem of using the evaporative cooling system or mechanical refrigeration alone. In the system, the cooling range is limited and the energy consumption is relatively large, so that the advantages of evaporative cooling and mechanical refrigeration can be complemented, and the energy efficiency ratio of the unit can be fully improved.

(2)本实用新型的空调机组,采用立管式间接蒸发冷却器,二次空气和喷淋水在立管内的湿通道发生直接蒸发冷却,一次空气流过管外侧的干通道和管壁接触被等湿冷却,管外较宽的空气流道,不易堵塞并易于清扫;由于循环水自上而下的冲刷作用,可有效缓解换热管内的堵塞问题;换热器管束采用立式,可减小换热管在水平方向的占地面积。(2) The air-conditioning unit of the present utility model adopts a vertical indirect evaporative cooler, the secondary air and the spray water are directly evaporatively cooled in the wet channel in the vertical tube, and the primary air flows through the dry channel outside the tube and contacts the tube wall Cooled by constant humidity, the wider air flow channel outside the tube is not easy to block and is easy to clean; due to the top-down scouring effect of the circulating water, the blockage problem in the heat exchange tube can be effectively alleviated; the heat exchanger tube bundle is vertical, which can Reduce the footprint of the heat exchange tubes in the horizontal direction.

(3)本实用新型的空调机组,采用转轮式热回收器进行显热回收,转轮作为蓄热芯体,新风通过显热型转轮的新风侧半圆,排风同时逆向通过转轮的排风侧半圆,排风将冷量释放给蓄热芯体,排风温度升高,芯体温度下降,热的新风接触到冷的蓄热芯体时,由于存在温度差,芯体将冷量释放给新风,对新风进行预冷。(3) The air-conditioning unit of the present utility model adopts a runner-type heat recovery device for sensible heat recovery, the runner is used as a heat storage core body, the fresh air passes through the semicircle of the fresh air side of the sensible heat type runner, and the exhaust air simultaneously passes through the runner in the reverse direction. The exhaust side is semicircular, the exhaust air releases the cold energy to the heat storage core, the temperature of the exhaust air rises, and the temperature of the core decreases. When the hot fresh air touches the cold heat storage core, due to the temperature difference, the core will cool down. The amount is released to the fresh air, and the fresh air is pre-cooled.

(4)本实用新型的空调机组,采用了转轮除湿机对室内送风进行除湿处理,经过间接蒸发冷却单元的空气流经机械制冷装置的蒸发器,冷却除湿后得到的空气在通过转轮除湿机的除湿区进行进一步除湿,处理后的干燥空气由送风机送入室内。二次排风通过二次风阀b流经机械制冷装置的冷凝器, 带走冷凝器的热量,被冷凝器加热的再生空气经过空气加热器进一步加热后流过转轮除湿机的再生区,将转轮中的水分带走,在排风机的作用下离开转轮。(4) The air-conditioning unit of the present utility model adopts a rotary dehumidifier to dehumidify the indoor air supply, and the air passing through the indirect evaporative cooling unit flows through the evaporator of the mechanical refrigeration device, and the air obtained after cooling and dehumidification passes through the runner. The dehumidification area of the dehumidifier is further dehumidified, and the treated dry air is sent into the room by the blower. The secondary exhaust air flows through the condenser of the mechanical refrigeration device through the secondary air valve b to take away the heat of the condenser. The regeneration air heated by the condenser is further heated by the air heater and then flows through the regeneration area of the rotary dehumidifier. Take away the moisture in the runner and leave the runner under the action of the exhaust fan.

附图说明Description of drawings

图1是本实用新型空调机组的结构示意图;Fig. 1 is the structural representation of the air-conditioning unit of the present utility model;

图2是本实用新型空调机组的风向图。Fig. 2 is the wind direction diagram of the air-conditioning unit of the present invention.

图中,1.进风口a,2.粗效过滤器,3.转轮式热回收器,4.立管间接蒸发冷却器,5.蓄水箱,6.循环水泵,7.浮球阀,8.供水管,9.蒸发器,10.膨胀阀, 11.转轮除湿机,12.送风机,13.送风口,14.排风口b,15.排风机b,16.空气加热器,17.冷凝器,18.进风口b,19.二次风机,20.二次风机支架,21.排风机a,22.排风口a,23.二次风阀a,24.布水装置,25.挡水板,26.二次风阀b, 27.压缩机,28.机组壳体,29.上风道,30.下风道,31.调节阀。In the figure, 1. Air inlet a, 2. Coarse efficiency filter, 3. Rotary heat recovery device, 4. Standpipe indirect evaporative cooler, 5. Water storage tank, 6. Circulating water pump, 7. Floating ball valve, 8. Water supply pipe, 9. Evaporator, 10. Expansion valve, 11. Rotary dehumidifier, 12. Blower, 13. Air supply port, 14. Air exhaust port b, 15. Exhaust fan b, 16. Air heater, 17. Condenser, 18. Air inlet b, 19. Secondary fan, 20. Secondary fan bracket, 21. Exhaust fan a, 22. Air outlet a, 23. Secondary air valve a, 24. Water distribution device , 25. Water baffle, 26. Secondary air valve b, 27. Compressor, 28. Unit shell, 29. Upper air duct, 30. Lower air duct, 31. Control valve.

具体实施方式Detailed ways

本实用新型基于转轮式热回收、间接蒸发冷却及机械制冷的空调机组,其结构如图1所示,包括机组壳体28,机组壳体内形成呈上下分布的上风道 29和下风道30,上风道29对应机组壳体28的两侧壁分别设置有排风口a22 和排风口b14,下风道30对应机组壳体28的两侧壁分别设置有进风口a1 和送风口13,进风口a1和送风口13分别与排风口a22和排风口b14位于同一侧壁,机组壳体28内按照进风的流动方向依次设置有转轮式热回收器3、立管间接蒸发冷却单元、机械制冷单元及转轮除湿机11,转轮式热回收器3、立管间接蒸发冷却单元、机械制冷单元及转轮除湿机11均贯穿上风道29和下风道30,立管间接蒸发冷却单元位于上风道29靠近转轮式热回收器3和机械制冷单元的一侧分别设置有二次风阀a23和二次风阀b26,机械制冷单元对应的机组壳体28顶部设置有进风口b18。The utility model is based on the air-conditioning unit of runner-type heat recovery, indirect evaporative cooling and mechanical refrigeration. The upper air duct 29 is provided with an air outlet a22 and an air outlet b14 on the two side walls corresponding to the unit housing 28, respectively, and the lower air duct 30 is respectively provided with an air inlet a1 and an air supply port 13 on the two side walls corresponding to the unit housing 28. The air inlet a1 and the air supply port 13 are located on the same side wall as the air outlet a22 and the air outlet b14, respectively. The unit housing 28 is provided with a rotary heat recovery device 3, a riser indirect evaporative cooling unit, The mechanical refrigeration unit and the rotary dehumidifier 11, the rotary heat recovery unit 3, the indirect evaporative cooling unit of the standpipe, the mechanical refrigeration unit and the rotary dehumidifier 11 all run through the upper air duct 29 and the lower air duct 30, and the indirect evaporative cooling unit of the standpipe A secondary air valve a23 and a secondary air valve b26 are respectively provided on the side of the upper air duct 29 close to the rotary heat recovery unit 3 and the mechanical refrigeration unit, and an air inlet b18 is provided on the top of the unit housing 28 corresponding to the mechanical refrigeration unit.

如图2所示,转轮式热回收器3的新风侧位于下风道30内,转轮式热回收器3的排风侧位于上风道29内。As shown in FIG. 2 , the fresh air side of the rotary heat recovery device 3 is located in the lower air channel 30 , and the exhaust air side of the rotary heat recovery device 3 is located in the upper air channel 29 .

立管间接蒸发冷却单元包括对应进风口a1设置的立管间接蒸发冷却器 4,立管间接蒸发冷却器4上方按照由下到上依次设置有布水装置24、挡水板25以及二次风机19,立管间接蒸发冷却器4下方设置有蓄水箱5,蓄水箱5和布水装置24通过供水管8连通,二次风阀a23和二次风阀b26设置在挡水板25和二次风机19之间对应的立管间接蒸发冷却单元壳体上。The riser indirect evaporative cooling unit includes a riser indirect evaporative cooler 4 corresponding to the air inlet a1, and a water distribution device 24, a water baffle 25 and a secondary fan are arranged above the riser indirect evaporative cooler 4 in order from bottom to top 19. A water storage tank 5 is provided under the indirect evaporative cooler 4 of the standpipe. The water storage tank 5 and the water distribution device 24 are connected through the water supply pipe 8. The secondary air valve a23 and the secondary air valve b26 are arranged on the water baffle 25 and the second The corresponding risers between the secondary fans 19 are indirectly connected to the housing of the evaporative cooling unit.

供水管8上设置有循环水泵6和调节阀31。The water supply pipe 8 is provided with a circulating water pump 6 and a regulating valve 31 .

蓄水箱5内设置有浮球阀7。A float valve 7 is provided in the water storage tank 5 .

机械制冷单元包括设置在下风道30内的蒸发器9,蒸发器9通过管路依次连接有膨胀阀10、冷凝器17及压缩机27并形成闭合循环回路,冷凝器 17及压缩机27位于上风道29内,膨胀阀10位于下风道30内。The mechanical refrigeration unit includes an evaporator 9 arranged in the lower air duct 30. The evaporator 9 is sequentially connected with an expansion valve 10, a condenser 17 and a compressor 27 through a pipeline to form a closed loop, and the condenser 17 and the compressor 27 are located in the upper wind. In the channel 29 , the expansion valve 10 is located in the downwind channel 30 .

上风道29内位于机械制冷单元和转轮除湿机11之间还设置有空气加热器16。An air heater 16 is also provided in the upper air duct 29 between the mechanical refrigeration unit and the rotary dehumidifier 11 .

转轮除湿机11的除湿区位于下风道30内,转轮除湿机11的再生区位于上风道29内。The dehumidification area of the rotary dehumidifier 11 is located in the lower air duct 30 , and the regeneration area of the rotary dehumidifier 11 is located in the upper air duct 29 .

送风口13、排风口a22和排风口b14处分别设置有送风机12、排风机 a21及排风机b15。The air supply port 13, the air exhaust port a22 and the air exhaust port b14 are respectively provided with a blower fan 12, an exhaust fan a21 and an exhaust fan b15.

进风口a1和转轮式热回收器3之间还设置有粗效过滤器2。A coarse filter 2 is also arranged between the air inlet a1 and the rotary heat recovery device 3 .

本实用新型的挡水板25为波纹型挡水板。The water retaining plate 25 of the present invention is a corrugated water retaining plate.

本实用新型空调机组的工作原理:The working principle of the air-conditioning unit of the present utility model:

(1)间接蒸发冷却模式:(1) Indirect evaporative cooling mode:

在此模式下,只开启立管间接蒸发冷却单元,室外新风由进风口a1进入机组,经过粗效过滤器2过滤后到达转轮式热回收器3的新风侧进行预冷,预冷后的新风进入立管间接蒸发冷却单元,二次空气和喷淋水在立管内的湿通道发生直接蒸发冷却,一次空气流过管外侧的干通道和管壁接触被等湿冷却,冷却后的一次空气在转轮除湿机11的除湿区除湿后由送风机12送入室内。In this mode, only the indirect evaporative cooling unit of the riser is turned on, and the outdoor fresh air enters the unit through the air inlet a1, and after being filtered by the coarse filter 2, it reaches the fresh air side of the rotary heat recovery device 3 for pre-cooling. The fresh air enters the indirect evaporative cooling unit of the riser, and the secondary air and spray water are directly evaporatively cooled in the wet channel in the riser. After dehumidification in the dehumidification zone of the rotary dehumidifier 11, the air is sent into the room by the blower 12.

此时,打开二次风阀a23和进风口b18,二次空气由二次风阀a23进入转轮式热回收器3的排风侧半圆,将冷量释放给蓄热芯体后由排风机a21排出机组。室外空气由进风口b18进入机组,经过空气加热器16加热后进入转轮除湿机11的再生区半圆,带走转轮的湿量后由排风机b15排出机组。At this time, open the secondary air valve a23 and the air inlet b18, the secondary air enters the semicircle of the exhaust side of the rotary heat recovery device 3 from the secondary air valve a23, and releases the cold energy to the heat storage core, and then the exhaust fan a21 discharge unit. The outdoor air enters the unit through the air inlet b18, is heated by the air heater 16 and then enters the semicircle of the regeneration area of the rotary dehumidifier 11.

(2)间接蒸发冷却-机械制冷模式:(2) Indirect evaporative cooling-mechanical cooling mode:

在夏季炎热天气或高温高湿工况,只开启立管间接蒸发冷却单元无法满足室内温湿度要求时,此时开启机械制冷单元,在立管间接蒸发冷却单元被等湿冷却的一次空气流经机械制冷装置的蒸发器9,冷却除湿后,通过转轮除湿机11的除湿区进行进一步除湿,处理后的干燥空气由送风机12送入室内。In hot weather or high temperature and high humidity conditions in summer, when only opening the indirect evaporative cooling unit of the riser cannot meet the indoor temperature and humidity requirements, the mechanical refrigeration unit is turned on at this time, and the primary air cooled by the humidity in the indirect evaporative cooling unit of the riser flows through After the evaporator 9 of the mechanical refrigeration device is cooled and dehumidified, it is further dehumidified through the dehumidification zone of the rotary dehumidifier 11, and the treated dry air is sent into the room by the blower 12.

此时打开二次风阀a23、b26,关闭进风口b18,一部分二次空气通过二次风阀b26流经机械制冷装置的冷凝器17,带走冷凝器17的热量,被冷凝器17加热的再生空气经过空气加热器16进一步加热后流过转轮除湿机11 的再生区,将转轮中的水分带走,在排风机b15的作用下离开转轮。At this time, the secondary air valves a23 and b26 are opened, and the air inlet b18 is closed. A part of the secondary air flows through the condenser 17 of the mechanical refrigeration device through the secondary air valve b26, taking away the heat of the condenser 17 and being heated by the condenser 17. The regenerated air is further heated by the air heater 16 and then flows through the regeneration area of the rotary dehumidifier 11, takes away the moisture in the rotary wheel, and leaves the rotary wheel under the action of the exhaust fan b15.

Claims (10)

1. The air conditioning unit based on the rotary wheel type heat recovery, the indirect evaporative cooling and the mechanical refrigeration is characterized by comprising a unit shell (28), an upper air duct (29) and a lower air duct (30) which are vertically distributed are formed in the unit shell, an air outlet a (22) and an air outlet b (14) are respectively arranged on the upper air duct (29) corresponding to two side walls of the unit shell (28), an air inlet a (1) and an air supply outlet (13) are respectively arranged on the lower air duct (30) corresponding to two side walls of the unit shell (28), the air inlet a (1) and the air supply outlet (13) are respectively positioned on the same side wall with the air outlet a (22) and the air outlet b (14), a rotary wheel type heat recovery device (3), a vertical pipe indirect evaporative cooling unit, the mechanical refrigeration unit and a rotary wheel dehumidifier (11) are sequentially arranged in the unit shell (28) according to the flowing direction of inlet, the rotary wheel type heat recoverer (3), the vertical pipe indirect evaporation cooling unit, the mechanical refrigeration unit and the rotary dehumidifier (11) penetrate through the upper air duct (29) and the lower air duct (30), the vertical pipe indirect evaporation cooling unit is located on one side, close to the rotary wheel type heat recoverer (3) and the mechanical refrigeration unit, of the upper air duct (29), and is provided with a secondary air valve a (23) and a secondary air valve b (26) respectively, and an air inlet b (18) is formed in the top of a unit shell (28) corresponding to the mechanical refrigeration unit.
2. Air conditioning unit based on heat recovery in rotating wheels, indirect evaporative cooling and mechanical refrigeration, according to claim 1, characterized in that the fresh air side of the heat recovery unit (3) in the lower air duct (30) and the exhaust air side of the heat recovery unit (3) in the upper air duct (29).
3. The air conditioning unit based on rotary wheel type heat recovery, indirect evaporative cooling and mechanical refrigeration as claimed in claim 1 or 2, wherein the vertical pipe indirect evaporative cooling unit comprises a vertical pipe indirect evaporative cooler (4) arranged corresponding to the air inlet a (1) of the air inlet a (1), a water distribution device (24), a water baffle plate (25) and a secondary fan (19) are sequentially arranged above the vertical pipe indirect evaporative cooler (4) from bottom to top, a water storage tank (5) is arranged below the vertical pipe indirect evaporative cooler (4), the water storage tank (5) is communicated with the water distribution device (24) through a water supply pipe (8), and the secondary air valve a (23) and the secondary air valve b (26) are arranged on a corresponding vertical pipe indirect evaporative cooling unit shell between the water baffle plate (25) and the secondary fan (19).
4. Air conditioning unit based on heat recovery in rotating wheel type, indirect evaporative cooling and mechanical refrigeration according to claim 3, characterized in that the water supply pipe (8) is provided with a circulating water pump (6) and a regulating valve (31).
5. Air conditioning assembly according to claim 4, wherein a ball float valve (7) is arranged in the reservoir (5).
6. Air conditioning unit based on runner type heat recovery, indirect evaporative cooling and mechanical refrigeration as claimed in claim 1 or 2, wherein the mechanical refrigeration unit comprises an evaporator (9) arranged in a lower air duct (30), the evaporator (9) is connected with an expansion valve (10), a condenser (17) and a compressor (27) in sequence through pipelines and forms a closed circulation loop, the condenser (17) and the compressor (27) are located in an upper air duct (29), and the expansion valve (10) is located in the lower air duct (30).
7. Air conditioning unit based on runner type heat recovery, indirect evaporative cooling and mechanical refrigeration as claimed in claim 1 or 2, characterized in that an air heater (16) is further arranged in the upper air duct (29) between the mechanical refrigeration unit and the runner dehumidifier (11).
8. Air conditioning unit according to claim 1 or 2, characterized in that the dehumidification section of the rotary dehumidifier (11) is located in the lower air duct (30) and the regeneration section of the rotary dehumidifier (11) is located in the upper air duct (29).
9. Air conditioning unit based on heat recovery in rotating wheel type, indirect evaporative cooling and mechanical refrigeration according to claim 1 or 2, characterized in that the air supply outlet (13), the air exhaust outlet a (22) and the air exhaust outlet b (14) are respectively provided with an air supply blower (12), an air exhaust blower a (21) and an air exhaust blower b (15).
10. Air conditioning unit based on rotary wheel type heat recovery, indirect evaporative cooling and mechanical refrigeration as claimed in claim 1 or 2, characterized in that a coarse filter (2) is further arranged between the air inlet a (1) of the air inlet a (1) and the rotary wheel type heat recoverer (3).
CN202020227746.7U 2020-02-28 2020-02-28 Air conditioning unit based on rotary heat recovery, indirect evaporative cooling and mechanical refrigeration Expired - Fee Related CN212108844U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020227746.7U CN212108844U (en) 2020-02-28 2020-02-28 Air conditioning unit based on rotary heat recovery, indirect evaporative cooling and mechanical refrigeration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020227746.7U CN212108844U (en) 2020-02-28 2020-02-28 Air conditioning unit based on rotary heat recovery, indirect evaporative cooling and mechanical refrigeration

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN112923461A (en) * 2021-02-26 2021-06-08 青岛海尔空调电子有限公司 Fresh air system and control method, storage medium and control device thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN112923461A (en) * 2021-02-26 2021-06-08 青岛海尔空调电子有限公司 Fresh air system and control method, storage medium and control device thereof
CN112923461B (en) * 2021-02-26 2022-11-22 青岛海尔空调电子有限公司 Fresh air system and control method, storage medium and control device thereof

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