CN107166581B - Passive evaporative cooling air-conditioning system for dormitory apartment building - Google Patents
Passive evaporative cooling air-conditioning system for dormitory apartment building Download PDFInfo
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- CN107166581B CN107166581B CN201710321899.0A CN201710321899A CN107166581B CN 107166581 B CN107166581 B CN 107166581B CN 201710321899 A CN201710321899 A CN 201710321899A CN 107166581 B CN107166581 B CN 107166581B
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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
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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
- F24F5/0046—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
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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
- F24F5/0046—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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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
- Y02A30/272—Solar heating or cooling
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
Abstract
The invention discloses a passive evaporative cooling air-conditioning system for dormitory apartment buildings, which comprises a window type evaporative cooling air-conditioner arranged at each window on a dormitory apartment building, an underground water storage tank buried under the ground of the dormitory apartment building, a roof reservoir arranged on the roof of the dormitory apartment building and a solar power generation system, wherein the roof reservoir is arranged on the roof of the dormitory apartment building; the underground water storage tank is connected with the roof reservoir through a water supply pipe, and a water pump is arranged on the water supply pipe; each window type evaporative cooling air conditioner is connected with a municipal tap water pipe network through a water replenishing pipe, and is connected with an underground water storage tank through a water drain pipe; and the water pump and each window type evaporative cooling air conditioner are connected with the solar power generation system. The passive evaporative cooling air-conditioning system for dormitory apartment buildings realizes the recycling of natural energy and the gradient utilization of energy, and has the characteristics of energy conservation, environmental protection, economy, health and convenience.
Description
Technical Field
The invention belongs to the technical field of air conditioning equipment, and particularly relates to a passive evaporative cooling air conditioning system for dormitory apartment buildings.
Background
In recent years, global climate warming has increased, and hot weather has increased in summer. Especially for dormitory apartment buildings, poor ventilation is common in rooms, and more people exist in the rooms, which often causes poor heat environment quality in the rooms and poor air quality in the rooms, thereby seriously affecting the study and life quality of residents.
As is well known, the traditional mechanical refrigeration air conditioner needs to utilize chemical refrigerants such as freon and the like for refrigeration, once the traditional mechanical refrigeration air conditioner is not used properly, the environment is polluted, and the atmospheric ozone layer is damaged; meanwhile, mechanical refrigeration consumes more electricity, most of the existing dormitory apartment buildings belong to old buildings and cannot bear the electricity, and a series of problems of high cost, complex system reconstruction and the like exist when the dormitory apartment buildings are subjected to voltage capacity expansion; therefore, the installation of the common mechanical refrigeration air conditioner in the dormitory apartment building is difficult to implement in time.
Under the big background that the country continuously and vigorously advocates energy conservation and emission reduction and fully utilizes renewable energy, it is important to develop an air conditioning system which can reduce environmental pollution, has low power consumption and can effectively improve the air quality in dormitory apartment buildings.
Disclosure of Invention
The invention aims to provide a passive evaporative cooling air-conditioning system for dormitory apartment buildings, which can effectively improve the air quality in rooms of the dormitory apartment buildings while saving energy consumption and reducing environmental pollution by utilizing resources in a gradient manner.
The passive evaporative cooling air-conditioning system for dormitory apartment buildings comprises a window type evaporative cooling air-conditioning device arranged at each window on the dormitory apartment buildings, an underground water storage tank buried under the ground of the dormitory apartment buildings, a roof reservoir arranged on the roof of the dormitory apartment buildings and a solar power generation system, wherein the solar power generation system is connected with the solar power generation system through the solar water storage tank; the underground water storage tank is connected with the roof reservoir through a water supply pipe, and a water pump is arranged on the water supply pipe; each window type evaporative cooling air conditioner is connected with a municipal tap water pipe network through a water replenishing pipe, and is connected with an underground water storage tank through a water drain pipe; and the water pump and each window type evaporative cooling air conditioner are connected with the solar power generation system.
The invention is also characterized in that:
the passive evaporative cooling air-conditioning system for dormitory apartment buildings also comprises a drain pipe connected with the roof reservoir, and a valve is arranged on the drain pipe.
The solar power generation system comprises a plurality of thin film photovoltaic panels which are erected on the roof of a dormitory apartment building and are positioned above a roof reservoir, each thin film photovoltaic panel is connected with a controller through a lead, and the controller is connected with a storage battery through a lead; the water pump and each window type evaporative cooling air conditioner are connected with the controller through leads.
The water pump is a direct-current water pump.
Each window type evaporative cooling air conditioner comprises an air conditioner shell, wherein an air inlet and an air outlet are respectively arranged on two opposite side walls of the air conditioner shell, the air outlet is connected with one port of an air outlet pipe, the other port of the air outlet pipe is open, and an electric adjusting shutter is arranged in the air outlet pipe to form a shutter air outlet, and the electric adjusting shutter is connected with a controller through a lead; the air conditioner shell is internally provided with a filler type direct evaporative cooling unit and an axial flow fan in sequence according to the flowing direction of air after entering, the filler type direct evaporative cooling unit and the axial flow fan are both connected with a controller through leads, and the filler type direct evaporative cooling unit is also connected with a water replenishing pipe and a water drain pipe respectively.
A filter screen is arranged in the air inlet.
The filler type direct evaporative cooling unit comprises a filler for evaporative cooling, a water distribution device is arranged above the filler for evaporative cooling, a water collection tank is arranged below the filler for evaporative cooling, the water distribution device is connected with the water collection tank through a water supply pipe, a circulating water pump is arranged on the water supply pipe, and the circulating water pump is connected with a controller through a lead; an automatic water drain valve and a ball float valve are respectively arranged in the water collecting tank; the automatic water drain valve is connected with the water drain pipe through the water drain branch pipe and used for periodically sending water with lower temperature in the water collecting tank to the underground water storage tank, and the automatic water drain valve is connected with the controller through a lead; the ball float valve is connected with the water replenishing pipe through the water replenishing branch pipe and is used for replenishing water in the water collecting tank.
The filler for evaporative cooling adopts organic filler, inorganic filler, natural plant fiber filler or metal filler; the circulating water pump is a direct-current water pump.
The water distribution device is composed of a water distribution pipe and a plurality of nozzles uniformly arranged on the water distribution pipe, and the nozzles adopt PX type nozzles, PY type nozzles or FD type nozzles.
The water distribution device adopts a spray branch pipe.
The invention has the beneficial effects that:
(1) the passive evaporative cooling air-conditioning system for the dormitory apartment building adopts a roof water storage mode to reduce the cold load of the roof layer of the dormitory apartment building, plays a certain role in heat preservation on the building roof, collects natural water sources (rainwater and snow water) and stores the natural water sources in a roof reservoir or an underground water storage tank, and realizes the recovery and reasonable utilization of the natural water sources (rainwater and snow water).
(2) The passive evaporative cooling air-conditioning system for dormitory apartment buildings does not use mechanical refrigeration, avoids the pollution and damage of refrigerants such as CFCs and the like to the atmosphere, utilizes natural resource water as the refrigerant, and has the advantages of environmental protection and no pollution.
(3) The passive evaporative cooling air-conditioning system for dormitory apartment buildings adopts a solar power generation system, wherein a thin film photovoltaic panel is used for absorbing solar energy and converting the solar energy into electric energy, and the electric energy is stored or directly converted to provide required electric energy for a fan and a circulating water pump in a window type evaporative cooling air-conditioning unit and a water pump in an underground water storage tank, so that the energy conservation and environmental protection in the true sense are realized.
(4) In the passive evaporative cooling air-conditioning system for dormitory apartment buildings, the circulating water used by the window type evaporative cooling air-conditioner is discharged into the underground water storage tank, the underground temperature is relatively low in summer, the water can be kept or even reduced, the water in the underground water storage tank is conveyed to the roof reservoir through a pipeline under the action of the water pump, and the water in the roof reservoir is regularly used for flower and tree irrigation, so that the water resource is reasonably utilized.
(5) According to the passive evaporative cooling air-conditioning system for dormitory apartment buildings, the window type evaporative cooling air conditioner in the passive evaporative cooling air-conditioning system can supply fresh air cooled in equal enthalpy to a room, so that the temperature of the room is reduced, and the indoor air quality can be greatly improved.
(6) In the passive evaporative cooling air-conditioning system for dormitory apartment buildings, the roof reservoir can collect rain and snow water for roof insulation and flower and tree irrigation, so that the rainwater is recycled, and a certain water storage and flood control effect is realized during summer rainstorm.
(7) In the passive evaporative cooling air-conditioning system for dormitory apartment buildings, the erected plurality of thin-film photovoltaic panels can reduce the direct incidence of the sun to the roof reservoir, reduce the temperature of water in the roof reservoir, further reduce the cold load of a top room, and reduce the temperature of the thin-film photovoltaic panels after the water in the roof reservoir is evaporated, thereby improving the power generation efficiency.
Drawings
FIG. 1 is a schematic view of the passive evaporative cooling air conditioning system for dormitory apartment blocks of the present invention;
FIG. 2 is a schematic view showing the installation of a window-type evaporative cooling air conditioner in the passive evaporative cooling air conditioning system for dormitory apartment blocks of the present invention;
FIG. 3 is a schematic view showing the construction of a solar power generation system in a passive evaporative cooling air conditioning system for dormitory apartment buildings according to the present invention;
fig. 4 is a schematic view showing the construction of a window type evaporative cooling air conditioner in a passive evaporative cooling air conditioning system for dormitory apartment blocks according to the present invention.
In the figure, 1, a thin film photovoltaic panel, 2, a roof reservoir, 3, a window type evaporative cooling air conditioner, 4, a water replenishing pipe, 5, a water drainage pipe, 6, an underground water storage tank, 7, a water pump, 8, a water feeding pipe, 9, a municipal tap water pipe network, 10, a water drainage pipe, 11, a window, 12, filling materials for evaporative cooling, 13, a water collection tank, 14, an automatic water drainage valve, 15, a ball float valve, 16, a circulating water pump, 17, an axial flow fan, 18, a louver air outlet, 19, an air outlet pipe, 20, a water distribution device, 21, a controller, 22, a storage battery pack, 23, a valve, 24, an air inlet, 25, an air outlet and 26, and a water feeding pipe are arranged.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The passive evaporative cooling air-conditioning system for dormitory apartment buildings comprises a window type evaporative cooling air-conditioner 3 arranged at each window 11 on the dormitory apartment building, an underground water storage tank 6 buried under the ground of the dormitory apartment building, a roof water storage tank 2 arranged on the roof of the dormitory apartment building and a solar power generation system, as shown in fig. 1 and 2; the underground water storage tank 6 is connected with the roof water storage tank 2 through a water supply pipe 8, and a water pump 7 is arranged on the water supply pipe 8; each window type evaporative cooling air conditioner 3 is connected with a municipal tap water pipe network 9 through a water replenishing pipe 4, and each window type evaporative cooling air conditioner 3 is connected with an underground water storage tank 6 through a water drain pipe 5; the water pump 7 and each window type evaporative cooling air conditioner 3 are connected with a solar power generation system.
The window type evaporative cooling air conditioner 3 is detachably installed near the window 11, and facilitates replacement of internal equipment or maintenance.
The roof reservoir 2 is also connected with a drain pipe 10, and a valve 23 is arranged on the drain pipe 10.
A solar power generation system, as shown in fig. 3, comprising a plurality of thin film photovoltaic panels 1 erected on the roof of a dormitory apartment building and located above a roof reservoir 2, wherein each thin film photovoltaic panel 1 is connected with a controller 21 through a lead, and the controller 21 is connected with a storage battery pack 22 through a lead; the water pump 7 and each window type evaporative cooling air conditioner 3 are connected with the controller 21 through leads.
All the thin film photovoltaic panels 1 are arranged above the roof reservoir 2, so that the sunlight can be fully absorbed to generate electric energy, and a sun-shading effect can be achieved to a certain extent, the sunlight is prevented from directly irradiating the roof reservoir 2, and the overhigh temperature of water in the roof reservoir 2 is avoided.
The water pump 7 is a direct-current water pump.
The battery pack 22 is composed of a plurality of batteries connected in series by a lead wire.
Each window type evaporative cooling air conditioner 3, as shown in fig. 4, comprises an air conditioner casing, wherein an air inlet 24 and an air outlet 25 are respectively arranged on two opposite side walls of the air conditioner casing, the air outlet 25 is connected with one port of an air outlet pipe 19, the other port of the air outlet pipe 19 is open and is internally provided with an electric adjusting shutter to form a shutter air outlet 18, and the electric adjusting shutter is connected with a controller 21 through a lead; the air conditioner shell is internally provided with a filler type direct evaporative cooling unit and an axial flow fan 17 in sequence according to the flowing direction of air after entering, the filler type direct evaporative cooling unit and the axial flow fan 17 are both connected with a controller 21 through leads, and the filler type direct evaporative cooling unit is also respectively connected with a water replenishing pipe 4 and a water drain pipe 5.
The axial flow fan 17 is a direct flow fan.
The filler type direct evaporative cooling unit, as shown in fig. 4, includes a filler 12 for evaporative cooling, a water distribution device 20 is arranged above the filler 12 for evaporative cooling, a water collection tank 13 is arranged below the filler 12 for evaporative cooling, the water distribution device 20 is connected with the water collection tank 13 through a water supply pipe 26, a circulating water pump 16 is arranged on the water supply pipe 26, and the circulating water pump 16 is connected with a controller 21 through a lead; the automatic water drain valve 14 and the ball float valve 15 are respectively arranged in the water collecting tank 13, the automatic water drain valve 14 is connected with the water drain pipe 5 through a water drain branch pipe, water with lower temperature in the water collecting tank 13 is periodically sent to the underground water storage tank 6, and the automatic water drain valve 14 is connected with the controller 21 through a lead; the ball float valve 15 is connected with the water replenishing pipe 4 through a water replenishing branch pipe, and the water replenishing pipe 4 is externally connected with a municipal tap water pipe network 9 and can be used for replenishing water in the water collecting tank 13 after being matched.
A filter screen is arranged in the air inlet 24 for simply filtering dust and impurities in the air.
The evaporative cooling filler 12 is an organic filler, an inorganic filler, a natural plant fiber filler, or a metal filler.
The circulating water pump 16 is a direct-flow water pump.
The water distribution device 20 is composed of a water distribution pipe and a plurality of nozzles uniformly arranged on the water distribution pipe, and the nozzles adopt PX type nozzles, PY type nozzles or FD type nozzles, so that the utilization efficiency of water is higher.
In addition, the water distribution device 20 can directly adopt a spray branch pipe, which is more convenient.
The invention relates to a passive evaporative cooling air-conditioning system for dormitory apartment buildings, which is mainly used in dormitory apartment buildings in dry northwest areas, and has the following specific working processes:
(1) the working process of the wind system is as follows:
the passive evaporative cooling air-conditioning system for the dormitory apartment building is applied to the dormitory apartment building;
when the temperature outside the room is low or only the ventilation effect needs to be realized, the axial flow fan 17 is started, the circulating water pump 16 is not started, and only the ventilation is performed in the room;
when the temperature in the room is higher and cooling ventilation needs to be carried out, the axial flow fan 17 and the circulating water pump 16 are both opened, and the air is cooled in an isenthalpic manner to form cold air through the window type evaporative cooling air conditioner 3 and then is sent into the room for refrigerating ventilation in the room, and the specific work flow is as follows:
the isenthalpic humidified cooling air treated by the filler type direct evaporative cooling unit in the window type evaporative cooling air conditioner 3 is sent out through the air outlet 25, conveyed by the air outlet pipe 19 and finally sent into a room through the louver air outlet 18; the louver air outlet 18 has a plurality of swing modes so as to achieve the aim of uniformly supplying air or directionally supplying air; at the moment, dirty air and hot air in the room are exhausted outdoors through a bright window on a room door or a gap between the door and the window, so that a full-direct-current fresh air system is formed in the room, and when the indoor relative humidity is increased, the door can be opened to increase the air exhaust amount to reduce the indoor relative humidity.
(2) The working process of the water system is as follows:
the window type evaporative cooling air conditioner 3 in each room is connected with a municipal tap water pipe network 9 through a water replenishing pipe 4, and water can be replenished to the window type evaporative cooling air conditioner 3 under the control of a ball float valve 15;
under the action of the circulating water pump 16, water in the water collecting tank 13 can be sent into the water distribution device 20 through the water supply pipe 26, and then is sprayed onto the evaporative cooling packing 12 through the water distribution device 20, and water which is not evaporated on the evaporative cooling packing 12 flows back into the water collecting tank 13;
when the automatic drain valve 14 is opened, draining is started, and the drained water flows into the underground water storage tank 6 through the drain pipe 5;
when the water in the roof reservoir 2 is short, the water pump 7 is started, the water in the underground water storage tank 6 is sent into the roof reservoir 2 through the water sending pipe 8, meanwhile, the roof reservoir 2 can also collect rainwater or snow water, the recycling and comprehensive utilization of natural resources are realized, when the roof reservoir 2 needs to drain water or flowers and trees need to be irrigated, the valve 23 is opened, the water in the roof reservoir 2 is drained to a garden through the water draining pipe 10, and the flowers and trees are irrigated.
(3) The working process of the solar power generation system is as follows:
the solar power generation system is used for providing power for the passive evaporative cooling air-conditioning system for the dormitory apartment building;
wherein, the thin film photovoltaic panel 1 is used for absorbing solar radiation and converting the solar radiation into direct current, and after being processed by the controller 21, the direct current is supplied to electric equipment in the passive evaporative cooling air conditioning system for dormitory apartment buildings of the invention, such as: the automatic water drain valve 14, the circulating water pump 16, the axial flow fan 17, the shutter air outlet 18 and the water pump 7 in the underground water storage tank 6 provide electric energy;
when the thin film photovoltaic panel 1 generates redundant electricity, the electricity is stored in a storage battery pack 22 through a controller 21 for later use; when sunlight is insufficient, direct current stored in the battery pack 22 supplies electric power to the passive evaporative cooling air conditioning system for dormitory apartment blocks of the present invention via the controller 21.
The passive evaporative cooling air-conditioning system for dormitory apartment buildings reduces the dependence on thermal power, basically realizes zero demand of the whole air-conditioning system on external power, reduces the combustion of coal and the emission of greenhouse gases such as carbon dioxide and micro particles caused by the combustion of the coal, and has the characteristics of environmental protection, energy conservation, economy and health; the design of the roof water storage can effectively reduce the temperature of the roof layer, and the roof water storage can also be used for irrigation of flowers and trees, so that the gradient full utilization of energy is realized; the passive evaporative cooling air-conditioning system for dormitory apartment buildings disclosed by the invention is very in line with the sustainable development concepts of energy conservation, environmental protection, low carbon and green, which are vigorously advocated by the nation.
Claims (1)
1. The passive evaporative cooling air-conditioning system for the dormitory apartment building is characterized by comprising a window type evaporative cooling air-conditioner (3) arranged at each window (11) on the dormitory apartment building, an underground water storage tank (6) buried under the ground of the dormitory apartment building, a roof reservoir (2) arranged on the roof of the dormitory apartment building and a solar power generation system; the underground water storage tank (6) is connected with the roof reservoir (2) through a water supply pipe (8), and a water pump (7) is arranged on the water supply pipe (8); each window type evaporative cooling air conditioner (3) is connected with a municipal tap water pipe network (9) through a water replenishing pipe (4), and each window type evaporative cooling air conditioner (3) is connected with an underground water storage tank (6) through a water drainage pipe (5); the water pump (7) and each window type evaporative cooling air conditioner (3) are connected with a solar power generation system;
the solar power generation system comprises a plurality of thin film photovoltaic panels (1) which are erected on the roof of a dormitory apartment building and are positioned above a roof reservoir (2), each thin film photovoltaic panel (1) is connected with a controller (21) through a lead, and the controller (21) is connected with a storage battery pack (22) through a lead; the water pump (7) and each window type evaporative cooling air conditioner (3) are connected with the controller (21) through wires;
each window type evaporative cooling air conditioner (3) comprises an air conditioner shell, wherein an air inlet (24) and an air outlet (25) are respectively arranged on two opposite side walls of the air conditioner shell, the air outlet (25) is connected with one port of an air outlet pipe (19), the other port of the air outlet pipe (19) is open, an electric adjusting shutter is arranged in the air outlet pipe (19) to form a shutter air outlet (18), and the electric adjusting shutter is connected with a controller (21) through a lead;
a filler type direct evaporative cooling unit and an axial flow fan (17) are sequentially arranged in the air conditioner shell in the flowing direction of air after entering, the filler type direct evaporative cooling unit and the axial flow fan (17) are both connected with a controller (21) through leads, and the filler type direct evaporative cooling unit is also respectively connected with a water replenishing pipe (4) and a water drain pipe (5);
the filler type direct evaporative cooling unit comprises a filler (12) for evaporative cooling, a water distribution device (20) is arranged above the filler (12) for evaporative cooling, a water collecting tank (13) is arranged below the filler (12) for evaporative cooling, the water distribution device (20) is connected with the water collecting tank (13) through a water supply pipe (26), a circulating water pump (16) is arranged on the water supply pipe (26), and the circulating water pump (16) is connected with a controller (21) through a lead;
an automatic drain valve (14) and a ball float valve (15) are respectively arranged in the water collecting tank (13);
the automatic water drain valve (14) is connected with the water drain pipe (5) through a water drain branch pipe and is used for periodically sending water with lower temperature in the water collecting tank (13) to the underground water storage tank (6), and the automatic water drain valve (14) is connected with the controller (21) through a lead;
the ball float valve (15) is connected with the water replenishing pipe (4) through a water replenishing branch pipe and is used for replenishing water in the water collecting tank (13);
the water pump (7) is a direct-current water pump;
a filter screen is arranged in the air inlet (24);
the device also comprises a drain pipe (10) connected with the roof reservoir (2), and a valve (23) is arranged on the drain pipe (10);
the filler (12) for evaporative cooling adopts organic filler, inorganic filler, natural plant fiber filler or metal filler;
the circulating water pump (16) is a direct-current water pump;
the water distribution device (20) is composed of a water distribution pipe and a plurality of nozzles uniformly arranged on the water distribution pipe, and the nozzles adopt PX type nozzles, PY type nozzles or FD type nozzles;
the water distribution device (20) adopts a spray branch pipe.
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| CN201710321899.0A CN107166581B (en) | 2017-05-09 | 2017-05-09 | Passive evaporative cooling air-conditioning system for dormitory apartment building |
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| CN201710321899.0A CN107166581B (en) | 2017-05-09 | 2017-05-09 | Passive evaporative cooling air-conditioning system for dormitory apartment building |
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| CN107166581A CN107166581A (en) | 2017-09-15 |
| CN107166581B true CN107166581B (en) | 2020-06-19 |
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| CN207035374U (en) * | 2017-05-09 | 2018-02-23 | 西安工程大学 | A kind of passive type Evaporative Cooling Air-conditioning System suitable for dormitory apartment |
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| CN107166581A (en) | 2017-09-15 |
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