CN107023911B - Photovoltaic coil - dew point indirect and direct evaporative cooling compound chiller - Google Patents

Photovoltaic coil - dew point indirect and direct evaporative cooling compound chiller Download PDF

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CN107023911B
CN107023911B CN201710131564.2A CN201710131564A CN107023911B CN 107023911 B CN107023911 B CN 107023911B CN 201710131564 A CN201710131564 A CN 201710131564A CN 107023911 B CN107023911 B CN 107023911B
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water
cooling
dew point
cooler
air
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CN107023911A (en
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黄翔
杨立然
王兴兴
贾曼
郭志成
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Zhejiang Jinling Refrigeration Engineering Co ltd
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Xian Polytechnic University
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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
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
    • 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
    • F24F13/28—Arrangement or mounting of filters
    • 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
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0046—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground
    • F24F2005/0064—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy
    • F24F2005/0067—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater using natural energy, e.g. solar energy, energy from the ground using solar energy with photovoltaic panels

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Photovoltaic Devices (AREA)

Abstract

本发明公开的光伏盘管‑露点间接与直接蒸发冷却复合冷水机组，包括机组壳体，机组壳体一侧壁上设有进风口b，机组壳体内按空气流动方向依次设有内冷式盘管间接蒸发冷却器、叉流式露点间接蒸发冷却器及填料塔式蒸发冷却冷水装置，内冷式盘管间接蒸发冷却器上方对应的机组壳体顶壁上设有排风口a，填料塔式蒸发冷却冷水装置上方对应的机组壳体顶壁上设有排风口b；还包括有设置于机组壳体顶壁上的光伏太阳能供电系统，光伏太阳能供电系统分别与内冷式盘管间接蒸发冷却器、叉流式露点间接蒸发冷却器及填料塔式蒸发冷却冷水装置连接。本发明光伏盘管‑露点间接与直接蒸发冷却复合冷水机组能降低蒸发冷却冷水机组的出水温度，同时能辅助以光伏驱动。

The photovoltaic coil-dew point indirect and direct evaporative cooling composite chiller disclosed by the present invention includes a unit casing, an air inlet b is provided on the side wall of the unit casing, and internal cooling disks are arranged in sequence according to the air flow direction in the unit casing. Tube indirect evaporative coolers, cross-flow dew point indirect evaporative coolers and packed tower evaporative cooling chillers. The top wall of the unit shell corresponding to the inner cooling coil indirect evaporative cooler is provided with an exhaust port a, and packed towers The top wall of the corresponding unit housing above the evaporative cooling chiller is provided with an air outlet b; it also includes a photovoltaic solar power supply system arranged on the top wall of the unit housing, and the photovoltaic solar power supply system is directly connected to the internal cooling coil. Evaporative cooler, cross-flow dew point indirect evaporative cooler and packed tower evaporative cooling chiller connection. The photovoltaic coil-dew point indirect and direct evaporative cooling composite chiller of the present invention can reduce the outlet water temperature of the evaporative cooling chiller, and at the same time can be assisted by photovoltaic drive.

Description

光伏盘管-露点间接与直接蒸发冷却复合冷水机组Photovoltaic coil - dew point indirect and direct evaporative cooling compound chiller

技术领域technical field

本发明属于空调设备技术领域，具体涉及一种光伏盘管-露点间接与直接蒸发冷却复合冷水机组。The invention belongs to the technical field of air conditioning equipment, and in particular relates to a photovoltaic coil-dew point indirect and direct evaporative cooling composite chiller.

背景技术Background technique

蒸发冷却空调技术是以水作为冷却介质，利用可再生能源“干空气能”通过水分蒸发吸热制冷，由于是空气与水直接或间接接触，可制取得到清洁的冷风或者高温冷水。Evaporative cooling air-conditioning technology uses water as the cooling medium, and uses renewable energy "dry air energy" to absorb heat and cool through water evaporation. Because air and water are in direct or indirect contact, clean cold air or high-temperature cold water can be produced.

干燥地区虽然具有干湿球温差大，但具有“干空气能”富足的自然优势，但现有蒸发冷却冷水机组难以制取更低温度的冷水，且尺寸较大，实际应用也受到一些限制，机组结构有待优化改进，性能有待提高。Although the dry area has a large temperature difference between the dry and wet bulbs, it has the natural advantage of abundant "dry air energy". However, it is difficult for the existing evaporative cooling chillers to produce cold water at a lower temperature, and the size is large, and the practical application is also subject to some restrictions. The unit structure needs to be optimized and improved, and the performance needs to be improved.

发明内容Contents of the invention

本发明的目的在于提供一种光伏盘管-露点间接与直接蒸发冷却复合冷水机组，能有效降低蒸发冷却冷水机组的出水温度，同时辅助以光伏驱动，充分利用可再生能源太阳能使机组更节能。The purpose of the present invention is to provide a photovoltaic coil-dew point indirect and direct evaporative cooling composite chiller, which can effectively reduce the outlet water temperature of the evaporative cooling chiller, and at the same time is assisted by photovoltaic drive, making full use of renewable energy solar energy to make the unit more energy-efficient.

本发明所采用的技术方案是，光伏盘管-露点间接与直接蒸发冷却复合冷水机组，包括有机组壳体，机组壳体的一侧壁上设置有进风口b，机组壳体内按空气进入后流动方向依次设置有内冷式盘管间接蒸发冷却器、叉流式露点间接蒸发冷却器及填料塔式蒸发冷却冷水装置，内冷式盘管间接蒸发冷却器上方对应的机组壳体顶壁上设置有排风口a，填料塔式蒸发冷却冷水装置上方对应的机组壳体顶壁上设置有排风口b；还包括有设置于机组壳体顶壁上的光伏太阳能供电系统，光伏太阳能供电系统分别与内冷式盘管间接蒸发冷却器、叉流式露点间接蒸发冷却器及填料塔式蒸发冷却冷水装置连接。The technical solution adopted in the present invention is that the photovoltaic coil-dew point indirect and direct evaporative cooling composite chiller includes an organic unit casing, and an air inlet b is arranged on the side wall of the unit casing, and the air in the unit casing is entered by air In the flow direction, there are internal cooling coil indirect evaporative coolers, cross-flow dew point indirect evaporative coolers and packed tower evaporative cooling chillers. There is an air exhaust port a, and an air exhaust port b is provided on the top wall of the unit shell corresponding to the top of the packing tower type evaporative cooling chiller; it also includes a photovoltaic solar power supply system installed on the top wall of the unit shell, and the photovoltaic solar power supply The system is respectively connected with an internal cooling coil indirect evaporative cooler, a cross-flow dew point indirect evaporative cooler and a packed tower evaporative cooling chiller.

本发明的特点还在于：The present invention is also characterized in that:

光伏太阳能供电系统主要由连接在一起的太阳能光伏板和蓄电池构成；太阳能光伏板呈倾斜设置；蓄电池分别通过导线与内冷式盘管间接蒸发冷却器、叉流式露点间接蒸发冷却器及填料塔式蒸发冷却冷水装置连接。The photovoltaic solar power supply system is mainly composed of solar photovoltaic panels and batteries connected together; the solar photovoltaic panels are arranged at an angle; the batteries are connected to the internal cooling coil indirect evaporative cooler, cross-flow dew point indirect evaporative cooler and packing tower respectively through wires Type evaporative cooling chiller connection.

内冷式盘管间接蒸发冷却器，包括有呈上下设置的填料式蒸发冷却单元和盘管高温表冷器，且盘管高温表冷器靠近进风口b设置；填料式蒸发冷却单元与盘管高温表冷器之间通过水管组构成循环回路。The internal cooling coil indirect evaporative cooler includes a packing type evaporative cooling unit and a coil high-temperature surface cooler arranged up and down, and the coil high-temperature surface cooler is arranged close to the air inlet b; the packing type evaporative cooling unit and the coil The high-temperature surface coolers form a circulation loop through water pipe groups.

进风口b和盘管高温表冷器之间设置有空气过滤器。An air filter is arranged between the air inlet b and the coil high-temperature surface cooler.

空气过滤器为粗效-中效复合空气过滤器。The air filter is a coarse-medium effect composite air filter.

填料式蒸发冷却单元，包括有分层式填料单元A，分层式填料单元A的上方依次设置有布水器a、挡水板a及排风机a，且盘管高温表冷器通过第一循环水管与布水器a连接，分层式填料单元A的下方设置有蓄水箱a，且盘管高温表冷器通过第二循环水管与蓄水箱a连接，第二循环水管上分别设置有水泵a、水过滤器a；分层式填料单元A与蓄水箱a之间的空间形成空气流道，空气流道对应的机组壳体侧壁上设置有进风口a。The packed evaporative cooling unit includes a layered packing unit A, and a water distributor a, a water baffle a and an exhaust fan a are sequentially arranged above the layered packing unit A, and the coil high-temperature surface cooler passes through the first The circulating water pipe is connected to the water distributor a, and the water storage tank a is installed under the layered packing unit A, and the coil high-temperature surface cooler is connected to the water storage tank a through the second circulating water pipe, and the second circulating water pipe is respectively set There are water pump a, water filter a; the space between the layered packing unit A and the water storage tank a forms an air flow channel, and the side wall of the unit housing corresponding to the air flow channel is provided with an air inlet a.

分层式填料单元A由呈上下设置的填料b、填料a构成，且在填料b与填料a之间形成间隔；进风口a内设置有粗效-中效复合空气过滤器。Layered packing unit A is composed of packing b and packing a arranged up and down, and an interval is formed between packing b and packing a; a coarse-medium effect composite air filter is arranged in the air inlet a.

叉流式露点间接蒸发冷却器，包括有露点间接蒸发冷却芯体，露点间接蒸发冷却芯体的上方设置有布水器b，布水器b上方与机组壳体顶壁之间形成风道，露点间接蒸发冷却芯体的下方设置有蓄水箱b，布水器b通过供水管与蓄水箱b连接，且在供水管上分别设置有水泵b、水过滤器b。The cross-flow dew point indirect evaporative cooler includes a dew point indirect evaporative cooling core. A water distributor b is arranged above the dew point indirect evaporative cooling core. An air duct is formed between the top of the water distributor b and the top wall of the unit casing. A water storage tank b is arranged below the dew point indirect evaporative cooling core, and the water distributor b is connected to the water storage tank b through a water supply pipe, and a water pump b and a water filter b are respectively arranged on the water supply pipe.

填料塔式蒸发冷却冷水装置，包括有分层式填料单元B，且分层式填料单元B由呈上下设置的填料c、填料d构成，且在填料c与填料d之间形成二次空气流道，二次空气流道与叉流式露点间接蒸发冷却器内的风道连通，且在连通处设置有风阀；分层式填料单元B的上方依次设置有布水器c、挡水板b及排风机b，布水器c与高温冷水回水管连接；分层式填料单元B的下方设置有蓄水箱c，蓄水箱c连接高温冷水管，在分层式填料单元B与蓄水箱c之间形成一次空气流道。Packed tower evaporative cooling chiller, including layered packing unit B, and layered packing unit B is composed of packing c and packing d arranged up and down, and a secondary air flow is formed between packing c and packing d The secondary air channel is connected with the air channel in the cross-flow dew point indirect evaporative cooler, and an air valve is set at the connection point; a water distributor c and a water baffle are arranged sequentially above the layered packing unit B b, exhaust fan b, and water distributor c are connected to the high-temperature cold water return pipe; a water storage tank c is arranged under the layered packing unit B, and the water storage tank c is connected to a high-temperature cold water pipe. A primary air passage is formed between the water tanks c.

高温冷水回水管上设置有调节阀；高温冷水管上设置有高温冷水循环泵。A regulating valve is arranged on the high-temperature cold water return pipe; a high-temperature cold water circulation pump is arranged on the high-temperature cold water pipe.

本发明的有益效果在于：The beneficial effects of the present invention are:

(1)本发明光伏盘管-露点间接与直接蒸发冷却复合冷水机组，将盘管高温表器与分层式填料复合，构成内冷式盘管间接蒸发冷却器，用来预冷露点间接蒸发冷却器的进风，提高露点效率，进一步降低露点间接蒸发冷却器的出风温度；此外，采用分层式填料，有利于提高蒸发冷却效率。(1) The photovoltaic coil-dew point indirect and direct evaporative cooling composite chiller of the present invention combines the coil high temperature gauge with layered packing to form an internal cooling coil indirect evaporative cooler for pre-cooling dew point indirect evaporation The inlet air of the cooler improves the dew point efficiency and further reduces the outlet air temperature of the dew point indirect evaporative cooler; in addition, the use of layered packing is beneficial to improve the evaporative cooling efficiency.

(2)本发明光伏盘管-露点间接与直接蒸发冷却复合冷水机组，将先后经过内冷式盘管间接蒸发冷却器与叉流式露点间接蒸发冷却器处理后的较低温度的“干冷”气流和叉流式露点间接蒸发冷却器排出的温度较低的二次空气分层提供给填料塔式蒸发冷却冷水装置，充分发挥蒸发冷却技术的潜力，提高能量使用效率，有效降低蒸发冷却冷水机组的出水温度。(2) The photovoltaic coil-dew point indirect and direct evaporative cooling composite chiller of the present invention will successively pass through the internal cooling coil indirect evaporative cooler and the cross-flow dew point indirect evaporative cooler. The lower temperature "dry cooling" The air flow and cross-flow dew point indirect evaporative cooler discharge the secondary air with lower temperature in stratification and provide it to the packed tower evaporative cooling chiller, fully exploit the potential of evaporative cooling technology, improve energy efficiency, and effectively reduce the evaporative cooling chiller of the outlet water temperature.

(3)本发明光伏盘管-露点间接与直接蒸发冷却复合冷水机组，将内冷式盘管间接蒸发冷却器、叉流式露点间接蒸发冷却器与填料塔式蒸发冷却冷水装置相结合，同时辅助以光伏驱动，充分利用可再生能源-太阳能，使得机组更加节能。(3) The photovoltaic coil-dew point indirect and direct evaporative cooling composite water chiller of the present invention combines an internal cooling coil indirect evaporative cooler, a cross-flow dew point indirect evaporative cooler and a packing tower evaporative cooling chiller, and simultaneously Auxiliary with photovoltaic drive, make full use of renewable energy - solar energy, making the unit more energy-efficient.

附图说明Description of drawings

图1是本发明光伏盘管-露点间接与直接蒸发冷却复合冷水机组的结构示意图。Fig. 1 is a structural schematic diagram of a photovoltaic coil-dew point indirect and direct evaporative cooling composite chiller of the present invention.

图中，1.蓄水箱a，2.进风口a，3.填料a，4.填料b，5.布水器a，6.挡水板a，7.排风口a，8.排风机a，9.布水器b，10.蓄电池，11.太阳能光伏板，12.风道，13.排风口b，14.排风机b，15.挡水板b，16.布水器c，17.填料c，18.填料d，19.进风口b，20.空气过滤器，21.水过滤器a，22.水泵a，23.盘管高温表冷器，24.露点间接蒸发冷却芯体，25.蓄水箱b，26.水泵b，27.水过滤器b，28.高温冷水循环泵，29.蓄水箱c，30.高温冷水回水管，31.调节阀，32.高温冷水管，33. 第一循环水管，34.第二循环水管，35.供水管。In the figure, 1. Water storage tank a, 2. Air inlet a, 3. Filling a, 4. Filling b, 5. Water distributor a, 6. Water baffle a, 7. Air exhaust a, 8. Exhaust Fan a, 9. Water distributor b, 10. Battery, 11. Solar photovoltaic panel, 12. Air duct, 13. Air outlet b, 14. Exhaust fan b, 15. Water retaining plate b, 16. Water distributor c, 17. packing c, 18. packing d, 19. air inlet b, 20. air filter, 21. water filter a, 22. water pump a, 23. coil high temperature surface cooler, 24. dew point indirect evaporation Cooling core, 25. water storage tank b, 26. water pump b, 27. water filter b, 28. high temperature cold water circulation pump, 29. water storage tank c, 30. high temperature cold water return pipe, 31. regulating valve, 32 .High temperature cold water pipe, 33. The first circulating water pipe, 34. The second circulating water pipe, 35. Water supply pipe.

具体实施方式Detailed ways

下面结合附图和具体实施方式对本发明进行详细说明。The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

本发明光伏盘管-露点间接与直接蒸发冷却复合冷水机组，其结构如图1所示，包括有机组壳体，机组壳体的一侧壁上设置有进风口b19，机组壳体内按空气进入后流动方向依次设置有内冷式盘管间接蒸发冷却器、叉流式露点间接蒸发冷却器及填料塔式蒸发冷却冷水装置，内冷式盘管间接蒸发冷却器上方对应的机组壳体顶壁上设置有排风口a7，填料塔式蒸发冷却冷水装置上方对应的机组壳体顶壁上设置有排风口b13；还包括有设置于机组壳体顶壁上的光伏太阳能供电系统，光伏太阳能供电系统分别与内冷式盘管间接蒸发冷却器、叉流式露点间接蒸发冷却器及填料塔式蒸发冷却冷水装置连接。The photovoltaic coil-dew point indirect and direct evaporative cooling composite chiller of the present invention has a structure as shown in Figure 1, including an organic unit casing, and an air inlet b19 is arranged on the side wall of the unit casing, and the air enters the unit casing In the rear flow direction, there are internally cooled coil indirect evaporative coolers, cross-flow dew point indirect evaporative coolers and packing tower evaporative cooling chillers. There is an air exhaust port a7 on the top, and an air exhaust port b13 is provided on the top wall of the unit shell corresponding to the top of the packing tower type evaporative cooling chiller; it also includes a photovoltaic solar power supply system installed on the top wall of the unit shell, photovoltaic solar energy The power supply system is respectively connected with the internal cooling coil indirect evaporative cooler, the cross-flow dew point indirect evaporative cooler and the packed tower evaporative cooling chiller.

排风口a7和排风口b13内均设置有风阀。Both the air outlet a7 and the air outlet b13 are provided with air valves.

光伏太阳能供电系统，如图1所示，主要由连接在一起的太阳能光伏板11和蓄电池10构成，且太阳能光伏板11呈倾斜设置；蓄电池10分别通过导线与内冷式盘管间接蒸发冷却器、叉流式露点间接蒸发冷却器及填料塔式蒸发冷却冷水装置连接。The photovoltaic solar power supply system, as shown in Figure 1, is mainly composed of solar photovoltaic panels 11 and batteries 10 connected together, and the solar photovoltaic panels 11 are arranged at an inclination; the batteries 10 are indirectly evaporative coolers through wires and internal cooling coils. , Cross-flow dew point indirect evaporative cooler and packed tower evaporative cooling chiller connection.

内冷式盘管间接蒸发冷却器，如图1所示，包括有呈上下设置的填料式蒸发冷却单元和盘管高温表冷器23，且盘管高温表冷器23靠近进风口b19设置；填料式蒸发冷却单元与盘管高温表冷器23之间通过水管组构成循环回路。The internal cooling coil indirect evaporative cooler, as shown in Figure 1, includes a packing type evaporative cooling unit arranged up and down and a coil high-temperature surface cooler 23, and the coil high-temperature surface cooler 23 is arranged close to the air inlet b19; The water pipe group constitutes a circulation loop between the packing type evaporative cooling unit and the coil high-temperature surface cooler 23 .

进风口b19和盘管高温表冷器23之间设置有空气过滤器20。An air filter 20 is arranged between the air inlet b19 and the coil high-temperature surface cooler 23 .

进风口b19内设置有风阀。An air valve is arranged in the air inlet b19.

空气过滤器20为粗效-中效复合空气过滤器。The air filter 20 is a coarse-medium effect composite air filter.

填料式蒸发冷却单元，如图1所示，包括有分层式填料单元A，分层式填料单元A的上方依次设置有布水器a5、挡水板a6及排风机a8，且盘管高温表冷器23通过第一循环水管33与布水器a5连接，分层式填料单元A的下方设置有蓄水箱a1，且盘管高温表冷器23通过第二循环水管34与蓄水箱a1连接，第二循环水管34上分别设置有水泵a22、水过滤器a21；分层式填料单元A与蓄水箱a1之间的空间形成空气流道，该空气流道对应的机组壳体侧壁上设置有进风口a2。The packing type evaporative cooling unit, as shown in Figure 1, includes a layered packing unit A, and the top of the layered packing unit A is sequentially provided with a water distributor a5, a water baffle a6 and an exhaust fan a8, and the high temperature of the coil The surface cooler 23 is connected to the water distributor a5 through the first circulating water pipe 33, and the water storage tank a1 is arranged under the layered packing unit A, and the coil high-temperature surface cooler 23 is connected to the water storage tank through the second circulating water pipe 34 connected by a1, the second circulating water pipe 34 is respectively provided with a water pump a22 and a water filter a21; the space between the layered packing unit A and the water storage tank a1 forms an air flow channel, and the air flow channel corresponds to the unit shell side An air inlet a2 is arranged on the wall.

分层式填料单元A由呈上下设置的填料b4、填料a3构成，且在填料b4与填料a3之间形成间隔。The layered packing unit A is composed of the packing b4 and the packing a3 arranged up and down, and a space is formed between the packing b4 and the packing a3.

水泵a22位于蓄水箱a1内，为潜水泵。The water pump a22 is located in the water storage tank a1 and is a submersible pump.

蓄水箱a1内设置有浮球阀，蓄水箱a1上还分别设置有排水口、补水口。The water storage tank a1 is provided with a ball float valve, and the water storage tank a1 is also provided with a drain port and a water replenishment port respectively.

进风口a2内设置有粗效-中效复合空气过滤器。A coarse-medium effect composite air filter is arranged in the air inlet a2.

叉流式露点间接蒸发冷却器，如图1所示，包括有露点间接蒸发冷却芯体24，露点间接蒸发冷却芯体24的上方设置有布水器b9，布水器b9上方与机组壳体顶壁之间形成风道12，露点间接蒸发冷却芯体24的下方设置有蓄水箱b25，布水器b9通过供水管35与蓄水箱b25连接，且在供水管35上分别设置有水泵b26、水过滤器b27。The cross-flow dew point indirect evaporative cooler, as shown in Figure 1, includes a dew point indirect evaporative cooling core 24, a water distributor b9 is arranged above the dew point indirect evaporative cooling core 24, and the top of the water distributor b9 is connected to the unit shell An air duct 12 is formed between the top walls, and a water storage tank b25 is arranged below the dew point indirect evaporative cooling core 24, and the water distributor b9 is connected to the water storage tank b25 through a water supply pipe 35, and water pumps are respectively installed on the water supply pipe 35 b26, water filter b27.

水泵b26位于蓄水箱b25内，为潜水泵。The water pump b26 is located in the water storage tank b25 and is a submersible pump.

蓄水箱b25内设置有浮球阀，蓄水箱b25上还分别设置有排水口、补水口。The water storage tank b25 is provided with a float valve, and the water storage tank b25 is also respectively provided with a drain port and a water supply port.

填料塔式蒸发冷却冷水装置，如图1所示，包括有分层式填料单元B，且分层式填料单元B由呈上下设置的填料c17、填料d18构成，且在填料c17与填料d18之间形成二次空气流道，该二次空气流道与叉流式露点间接蒸发冷却器内的风道12连通，且在连通处设置有风阀，(叉流式露点间接蒸发冷却器所排出二次空气进入二次空气流道内，风阀用于对二次风风量进行调节)；分层式填料单元B的上方依次设置有布水器c16、挡水板b15及排风机b14，布水器c16与高温冷水回水管30连接；分层式填料单元B的下方设置有蓄水箱c29，蓄水箱c29连接高温冷水管32，在分层式填料单元B与蓄水箱c29之间形成一次空气流道。Packed tower evaporative cooling chiller, as shown in Figure 1, includes layered packing unit B, and layered packing unit B is composed of packing c17 and packing d18 arranged up and down, and between packing c17 and packing d18 A secondary air channel is formed between them, and the secondary air channel communicates with the air channel 12 in the cross-flow dew point indirect evaporative cooler, and a damper is arranged at the connection point, (the discharge of the cross-flow dew point indirect evaporative cooler The secondary air enters the secondary air flow channel, and the air valve is used to adjust the secondary air volume); above the layered packing unit B, there are water distributor c16, water retaining plate b15 and exhaust fan b14 in sequence, and the water distribution The water tank c16 is connected to the high temperature cold water return pipe 30; the water storage tank c29 is arranged under the layered packing unit B, and the water storage tank c29 is connected to the high temperature cold water pipe 32, forming between the layered packing unit B and the water storage tank c29 Primary air channel.

高温冷水回水管30上设置有调节阀31。A regulating valve 31 is arranged on the high temperature cold water return pipe 30 .

高温冷水管32上设置有高温冷水循环泵28。A high temperature cold water circulation pump 28 is arranged on the high temperature cold water pipe 32 .

蓄水箱c29内设置有浮球阀，蓄水箱c29上还分别设置有排水口、补水口。The water storage tank c29 is provided with a float valve, and the water storage tank c29 is also respectively provided with a drain port and a water supply port.

本发明光伏盘管-露点间接与直接蒸发冷却复合冷水机组，将内冷式盘管间接蒸发冷却器、叉流式露点间接蒸发冷却器和填料塔式蒸发冷却冷水装置相结合，其工作过程为：The photovoltaic coil-dew point indirect and direct evaporative cooling composite chiller of the present invention combines an internal cooling coil indirect evaporative cooler, a cross-flow dew point indirect evaporative cooler and a packing tower evaporative cooling chiller, and its working process is as follows: :

将先后经过内冷式盘管间接蒸发冷却器与叉流式露点间接蒸发冷却器处理后的较低温度的“干冷”气流和叉流式露点间接蒸发冷却器排出的温度较低的二次空气分层提供给填料塔式蒸发冷却冷水装置，充分发挥蒸发冷却技术的潜力，提高能量使用效率，有效降低填料塔式蒸发冷却冷水装置的出水温度。此外，还通过光伏太阳能供电系统辅助驱动，能充分利用可再生能源-太阳能，使得本发明光伏盘管-露点间接与直接蒸发冷却复合冷水机组更加节能。The lower-temperature "dry cooling" airflow processed by the internal cooling coil indirect evaporative cooler and the cross-flow dew point indirect evaporative cooler and the lower-temperature secondary air discharged from the cross-flow dew point indirect evaporative cooler The stratification is provided to the packed tower evaporative cooling chiller, which fully utilizes the potential of evaporative cooling technology, improves energy efficiency, and effectively reduces the outlet water temperature of the packed tower evaporative cooling chiller. In addition, the photovoltaic coil-dew point indirect and direct evaporative cooling composite water chiller of the present invention can be more energy-saving due to the auxiliary drive of the photovoltaic solar power supply system, which can make full use of the renewable energy-solar energy.

Claims (8)

1. photovoltaic coil pipe-dew point indirectly with the compound water cooler of direct evaporating-cooling, which is characterized in that include machine unit shell, Be provided in the one side wall of the machine unit shell air inlet b (19), in the machine unit shell by air enter rear flow direction according to It is secondary be provided with inner-cooled coil pipe indirect evaporation cooler, cross flow dew point indirect evaporative cooler and filler tower evaporation cooling it is cold Water installations are provided with exhaust outlet a (7) on corresponding machine unit shell roof above the inner-cooled coil pipe indirect evaporation cooler, Exhaust outlet b (13) are provided on corresponding machine unit shell roof above the cooling water-cooling device of the filler tower evaporation；
It further include having the photovoltaic solar power supply system being set on machine unit shell roof, the photovoltaic solar power supply system point It is not filled with the cooling cold water of inner-cooled coil pipe indirect evaporation cooler, cross flow dew point indirect evaporative cooler and filler tower evaporation Set connection；
The photovoltaic solar power supply system is mainly made of the solar energy photovoltaic panel (11) and battery (10) to link together；
The solar energy photovoltaic panel (11) is inclined to set；
The battery (10) is cold by conducting wire and inner-cooled coil pipe indirect evaporation cooler, cross flow dew point indirect evaporative respectively But device and the cooling water-cooling device connection of filler tower evaporation；
The cooling water-cooling device of the filler tower evaporation, includes layer-stepping filler unit B, and the layer-stepping filler unit B It is made of filler c (17) set up and down, filler d (18), and forms two between the filler c (17) and filler d (18) Secondary air flow channel, the auxiliary air runner are connected to the air duct (12) in cross flow dew point indirect evaporative cooler, and even Logical place is provided with air-valve；
The layer-stepping filler unit B's has been sequentially arranged above water distributor c (16), water fender b (15) and exhaust blower b (14), The water distributor c (16) connect with high temperature cold water return pipe (30)；
It is provided with water storage box c (29) below the layer-stepping filler unit B, the water storage box c (29) connects high temperature cold water pipe (32), primary air runner is formed between the layer-stepping filler unit B and water storage box c (29).
2. photovoltaic coil pipe-dew point according to claim 1 is indirectly with the compound water cooler of direct evaporating-cooling, feature exists In the inner-cooled coil pipe indirect evaporation cooler includes that material filling type evaporation cooling unit and coil pipe set up and down are high Warm surface air cooler (23), and the coil pipe high temperature surface air cooler (23) is arranged close to air inlet b (19)；
Circulation loop is constituted by water pipe group between the material filling type evaporation cooling unit and coil pipe high temperature surface air cooler (23).
3. photovoltaic coil pipe-dew point according to claim 2 is indirectly with the compound water cooler of direct evaporating-cooling, feature exists In being provided with air filter (20) between the air inlet b (19) and coil pipe high temperature surface air cooler (23).
4. photovoltaic coil pipe-dew point according to claim 3 is indirectly with the compound water cooler of direct evaporating-cooling, feature exists In the air filter (20) is thick effect-middle effect composite air filtering device.
5. photovoltaic coil pipe-dew point according to claim 2 is indirectly with the compound water cooler of direct evaporating-cooling, feature exists In it includes layer-stepping filler unit A, the top of the layer-stepping filler unit A is successively that the material filling type, which evaporates cooling unit, It is provided with water distributor a (5), water fender a (6) and exhaust blower a (8), and the coil pipe high temperature surface air cooler (23) passes through first circulation Water pipe (33) is connect with water distributor a (5), is provided with water storage box a (1) below the layer-stepping filler unit A, and the coil pipe High temperature surface air cooler (23) is connect by second circulation water pipe (34) with water storage box a (1), on the second circulation water pipe (34) respectively It is provided with water pump a (22), water filter a (21)；
Space between the layer-stepping filler unit A and water storage box a (1) forms air flow channel, and the air flow channel is corresponding Air inlet a (2) are provided on machine unit shell side wall.
6. photovoltaic coil pipe-dew point according to claim 5 is indirectly with the compound water cooler of direct evaporating-cooling, feature exists In, the layer-stepping filler unit A is made of filler b (4) set up and down, filler a (3), and the filler b (4) with Interval is formed between filler a (3)；
Thick effect-middle effect composite air filtering device is provided in the air inlet a (2).
7. photovoltaic coil pipe-dew point according to claim 1 is indirectly with the compound water cooler of direct evaporating-cooling, feature exists In the cross flow dew point indirect evaporative cooler includes dew point indirect evaporative cooling core body (24), and the dew point steams indirectly It is provided with water distributor b (9) above hair cooling core body (24), is formed between machine unit shell roof above the water distributor b (9) Air duct (12) is provided with water storage box b (25) below the dew point indirect evaporative cooling core body (24), and the water distributor b (9) is logical It crosses water supplying pipe (35) to connect with water storage box b (25), and is respectively arranged with water pump b (26), water filtering on the water supplying pipe (35) Device b (27).
8. photovoltaic coil pipe-dew point according to claim 1 is indirectly with the compound water cooler of direct evaporating-cooling, feature exists In being provided with regulating valve (31) on the high temperature cold water return pipe (30)；
High temperature cold water circulating pump (28) are provided on the high temperature cold water pipe (32).
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