CN206330245U - Suitable for the layering cooled energy-saving air conditioning system of large-space clean factory building - Google Patents

Abstract

The utility model discloses a layered cooling energy-saving air-conditioning system suitable for tall and large space buildings. The unit and the water storage tank and solar power generation system installed on the roof of the tall space building; the dew point indirect evaporative cooler is connected to the solar power generation system; the cold air supply port of the dew point indirect evaporative cooler is connected to the side of the tall space building through the primary air supply pipe The cold air supply inlet of the tall space building opened at the lower part of the wall is connected, and the secondary air outlet of the dew point indirect evaporative cooler is connected with the secondary air supply inlet of the tall space building on the side wall of the tall space building through the secondary air supply pipe. An air filter is arranged in the secondary air supply pipe. The layered cooling energy-saving air-conditioning system of the utility model realizes the layered adjustment of the air in a tall and large space building.

Description

Stratified cooling energy-saving air-conditioning system suitable for tall and large space buildings

technical field

The utility model belongs to the technical field of air-conditioning equipment, in particular to a layered cooling energy-saving air-conditioning system suitable for tall and large space buildings.

Background technique

In recent years, in order to meet the needs of production and life, tall and large space buildings emerge in an endless stream, such as: large industrial plants, railway stations, airports, theaters and cinemas, etc., and in these tall and large space buildings, all-round cooling and all-round cooling are generally used. heating.

In fact, in tall and large space buildings, people mainly concentrate on the activities in the lower part of the space in the tall and large space buildings, and this method of all-round cooling and all-round heating obviously tends to cause a lot of waste of energy. In addition, the roof of a tall space building is more susceptible to the influence of solar radiation heat, causing the temperature of the roof to rise, which leads to an increase in the temperature inside the tall space building. It can be seen that how to effectively prevent the sun from directly irradiating the roof of a tall space building is very important It is very helpful to reduce the temperature in tall space buildings. Solar energy is an inexhaustible renewable energy source. The use of solar energy to generate electricity has become a hot spot in recent years. It can effectively alleviate the problem of tight power supply in summer.

Use the dew point indirect evaporative cooler to adjust the temperature of the low-level environment in the tall and large space building, and use the secondary exhaust air of the dew point indirect evaporative cooler to adjust the temperature of the high-level environment in the high and large space building, so as to realize the stratified adjustment of the air in the high and large space building , can effectively avoid energy waste; and setting a reservoir on the roof of a tall space building and injecting cooling water into the reservoir can not only block the solar radiation heat, but also reduce the ambient temperature around the solar panel, thereby improving the performance of the solar panel. work efficiency; using solar power generation system to generate power for dew point indirect evaporative coolers can save energy during the peak power consumption period in summer, which is in line with the environmental protection and energy saving policy advocated by the state.

Utility model content

The purpose of this utility model is to provide a layered cooling energy-saving air-conditioning system suitable for tall and large space buildings. The cold air and secondary exhaust air generated by the dew point indirect evaporative cooler are used to realize the layered adjustment of the air in the high and large space buildings. The water tank is set on the roof to prevent the sun from directly irradiating the roof of the tall space building, and the use of the solar power generation system to generate electricity saves power consumption.

The technical scheme adopted by the utility model is that the layered cooling energy-saving air-conditioning system suitable for tall and large space buildings includes dew point indirect evaporative coolers arranged outside the high and large space buildings, and arranged at the high places of the two opposite side walls of the tall and large space buildings. The two exhaust units, the water storage tank and the solar power generation system installed on the roof of the tall and large space building; the dew point indirect evaporative cooler is connected to the solar power generation system; the cold air supply port of the dew point indirect evaporative cooler is connected to the The cold air inlet of the tall space building on the lower part of the side wall of the tall space building is connected, and the secondary air outlet of the dew point indirect evaporative cooler is connected to the secondary air outlet of the tall space building on the side wall of the tall space building through the secondary air supply pipe. The air supply inlet is connected, and an air filter is arranged in the secondary air supply pipe.

The utility model is also characterized in that:

A primary air supply air diffuser is arranged in the cold air supply entrance of tall and large space buildings.

A secondary air supply diffuser is installed in the secondary air supply inlet of tall and large space buildings.

Each exhaust unit is composed of a plurality of exhaust windows; each exhaust window is provided with an axial flow fan.

The dew-point indirect evaporative cooler includes a cooler shell. Fresh air inlets and cold air supply ports are respectively arranged on the opposite side walls of the cooler shell. Air regulating valve; the filter, dew point indirect evaporative cooling unit and blower are arranged in the cooler shell in sequence according to the flow direction of the air after entering, and the corresponding cooler shell top wall above the dew point indirect evaporative cooling unit is provided with a secondary air outlet ; The dew point indirect evaporative cooling unit and the blower are connected with the solar power generation system.

The dew point indirect evaporative cooling unit includes a heat exchange core, a water distributor and a secondary fan are arranged above the heat exchange core in turn; a water collection tank is arranged below the heat exchange core; The water supply pipe is provided with a water pump; the secondary air blower and the water pump are connected to the solar power generation system.

The solar power generation system includes solar panels, and the solar panels are installed obliquely near the reservoir on the roof of the tall space building. The solar panels are connected to the inverter, controller and battery in turn through wires; the blower, the secondary fan and the water pump All are connected with the controller by wires.

The reservoir is connected with a tap water supply pipe.

The water distributor is composed of a water distribution pipe and a plurality of nozzles evenly arranged on the water distribution pipe and spraying towards the heat exchange core. The water distribution pipe is connected with the water supply pipe; the water pump is a submersible pump.

The water collecting tank is also connected with a water supply pipe, and a regulating valve is arranged on the water supply pipe.

The beneficial effects of the utility model are:

(1) The dew-point indirect evaporative cooler is arranged in the stratified cooling energy-saving air-conditioning system of the utility model, and the dew-point indirect evaporative cooler uses the difference between the dry bulb temperature of the air and the continuously decreasing wet bulb temperature for heat exchange, and can Provide the air whose dry bulb temperature is lower than the outdoor wet bulb temperature and close to the dew point temperature. In summer, it can provide air with a lower temperature. There is no compressor and no refrigerant, which is more energy-saving and environmentally friendly.

(2) The stratified cooling energy-saving air-conditioning system of the present utility model does not directly exhaust the working air of the dew point indirect evaporative cooler, that is, the secondary air, into the tall and large space building, as the upper air supply air; Since the temperature of the secondary air is lower than the atmospheric temperature, direct discharge will cause cooling loss, and introducing it into the upper part of the tall space building for cooling can take away part of the heat, thereby reducing the loss of cooling capacity.

(3) The layered cooling energy-saving air-conditioning system of the utility model is provided with a water storage tank, and the water storage tank is located on the roof of a tall and large space building. There is cold running water in the water storage tank, and the air heat is absorbed by the running water to block The high temperature of direct sunlight enters the room directly, which can play a cooling role.

(4) The layered cooling energy-saving air-conditioning system of the present utility model is provided with a solar power generation system, and the solar panels in the solar power generation system will be exposed to high temperature for a long time in summer and the temperature will increase, which will lead to a decrease in power generation efficiency. Near the reservoir, the cold tap water in the reservoir absorbs the heat of the air around the solar panel, which can avoid the problem that the efficiency of the solar panel is reduced due to excessive temperature.

(5) In the layered cooling energy-saving air-conditioning system of the present utility model, its internal solar power generation system is composed of solar panels, inverters, controllers and batteries connected together. After being irradiated by sunlight, the solar power generation system can generate electricity to drive The operation of power-consuming components in the system, such as pumps and fans, makes full use of natural energy.

Description of drawings

Fig. 1 is a schematic diagram of applying the utility model layered cooling energy-saving air-conditioning system to tall and large space buildings;

Fig. 2 is a structural schematic diagram of the stratified cooling energy-saving air-conditioning system of the present invention.

In the figure, 1. Fresh air inlet, 2. Filter screen, 3. Secondary fan, 4. Nozzle, 5. Secondary air supply pipe, 6. Secondary air supply diffuser, 7. Exhaust window, 8 .Reservoir, 9. Inverter, 10. Controller, 11. Battery, 12. Solar panel, 13. Primary air supply air diffuser, 14. Primary air supply duct, 15. Cold air supply outlet, 16 . Blower fan, 17. Water pump, 18. Water collection tank, 19. Regulating valve, 20. Dew point indirect evaporative cooler, 21. Axial flow fan, 22. Cold air inlet for tall space buildings, 23. Secondary air inlet for tall space buildings , 24. water distributor, 25. heat exchange core.

detailed description

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

The utility model is suitable for a layered cooling energy-saving air-conditioning system for tall and large space buildings. The two exhaust units at the height of the wall and the reservoir 8 and the solar power generation system arranged on the roof of the tall space building; the dew point indirect evaporative cooler 20 is connected to the solar power generation system; the cold air supply port 15 of the dew point indirect evaporative cooler 20 The cold air inlet 22 of the tall space building opened at the lower part of the side wall of the tall space building is connected through the primary air supply pipe 14, and the secondary air outlet of the dew point indirect evaporative cooler 20 is connected with the tall space building through the secondary air supply pipe 5. The tall and large space building secondary air inlet 23 that offers on the top of the side wall is connected.

A primary air supply air diffuser 13 is arranged in the cold air supply inlet 22 of the tall and large space building; a secondary air supply air diffuser 6 is arranged in the secondary air supply inlet 23 of the tall and large space building.

Each exhaust unit is composed of a plurality of exhaust windows 7 , and each exhaust window 7 is provided with an axial flow fan 21 .

An air filter is arranged in the secondary air supply pipe 5 .

The dew point indirect evaporative cooler 20, as shown in Figure 2, includes a cooler shell, and fresh air inlet 1 and cold air supply port 15 are respectively arranged on the opposite side walls of the cooler shell, and the fresh air inlet 1 is provided with an air inlet Adjusting valve, the cold air supply port 15 is provided with an air supply regulating valve; the cooler shell is provided with a filter screen 2, a dew point indirect evaporative cooling unit and a blower 16 in sequence according to the flow direction of the air after entering, and the dew point indirect evaporative cooling unit above the corresponding cooling The top wall of the device housing is provided with a secondary air outlet; the dew point indirect evaporative cooling unit and the air blower 16 are all connected to the solar power generation system.

The dew point indirect evaporative cooling unit, as shown in Figure 2, includes a heat exchange core 25, a water distributor and a secondary fan 3 are arranged above the heat exchange core 25, and a water collection tank is arranged below the heat exchange core 25 18. The water distributor is connected to the water collection tank 18 through a water supply pipe, and a water pump 17 is arranged on the water supply pipe; the secondary fan 3 and the water pump 17 are both connected to the solar power generation system.

The water distributor is composed of a water distribution pipe 24 and a plurality of nozzles 4 evenly arranged on the water distribution pipe 24 and spraying towards the heat exchange core 25. The water distribution pipe 24 is connected with the water supply pipe; the water pump 17 is a submersible pump.

The water collecting tank 18 is also connected with a water supply pipe, and a regulating valve 19 is arranged on the water supply pipe.

The solar power generation system, as shown in Figure 2, includes a solar panel 12, and the solar panel 12 is inclined to be installed near the water storage tank 8 on the roof of a tall and large space building, and the solar panel 12 is connected to the inverter 9 and the controller in turn through wires 10 and storage battery 11 are connected, blower 16, secondary blower 3 and water pump 17 are all connected with described controller 10 by wire.

Reservoir 8 is connected with tap water supply pipe.

The utility model is suitable for a layered cooling energy-saving air-conditioning system for tall and large space buildings, and its working process is as follows:

1. The overall working process of the system is as follows:

Sunlight shines on the solar panel 12, and since the solar panel 12 is connected with the inverter 9 and the controller 10 in turn, the inverter 9 and the controller 10 cooperate with each other to convert the light energy signal collected by the solar panel 12 into an electric energy signal, Used to supply the power consumption components (such as: blower 16, secondary fan 3 and water pump 17) in the dew point indirect evaporative cooler 20 to run;

In the heat exchange core 25 of the dew point indirect evaporative cooler 20, the air passages are composed of longitudinal dry air passages and horizontal wet air passages, and are perpendicular to each other to form a cross flow, and the dry and wet passages are respectively composed of several small flows that do not mix There are small holes in the small passages of the dry passage; when the outdoor air passes through the dry passage, it will be cooled by the air on the side of the wet passage, while the primary air passing through the non-perforated dry passage is always cooled, and finally As cold air, it is sent into the lower space of the tall and large space building, and is used to adjust the concentrated activity space of people in the high and large space building; the air entering from the dry passage with holes is firstly pre-cooled by the wet side, and then enters the wet passage through perforations , as the secondary air and the water film exchange heat and moisture and then send it to the upper space in the tall space building, so that layered air supply can be formed.

2. The working process of the water system is as follows:

Regularly send clean tap water into the water collection tank 18 in the dew point indirect evaporative cooler 20, send the water to the water distributor through the water supply pipe, and then spray the water evenly in the wet channel by the water distributor to form a water film, Heat and moisture exchange with the pre-cooled air coming from the dry passage through the small holes, and the cooled air cools the air in the dry passage that does not pass through the small holes;

The water in the reservoir 8 will continue to decrease due to heat absorption and evaporation, so it is necessary to periodically replenish the cold tap water in the reservoir 8 on the roof of the box to absorb the heat of solar radiation in summer and block the high temperature of direct sunlight from entering the tall building. Space inside the building.

3. The working process of the solar power generation system is as follows:

The solar panel 12 located on the roof of a tall and large space building absorbs a large amount of sunlight in an inclined manner. The inverter 9 and the controller 10 cooperate with each other to convert the light energy signal collected by the solar panel 12 into an electrical energy signal, and a part of the electrical energy is supplied to the dew point The power consumption components in the indirect evaporative cooler 20 are running, while another part of the excess electric energy is stored in the accumulator 11. In rainy days, the electric energy stored in the accumulator 11 can be used for municipal power supply.

The utility model is suitable for a layered cooling energy-saving air-conditioning system of tall and large space buildings. The cold air and secondary exhaust air generated by the dew point indirect evaporative cooler are used to realize the layered adjustment of the air in the high and large space buildings. The sun directly shines on the roof of the tall space building, and the use of solar power generation system to generate electricity saves power consumption.

Claims (10)

1. The stratified cooling energy-saving air-conditioning system suitable for tall and large space buildings is characterized in that it includes dew point indirect evaporative coolers (20) arranged outside the tall and large space buildings, Two exhaust units, a water storage tank (8) and a solar power generation system arranged on the roof of a tall space building; The dew point indirect evaporative cooler (20) is connected with a solar power generation system; The cold air supply port (15) of the dew point indirect evaporative cooler (20) communicates with the cold air supply port (22) of the tall space building opened on the lower part of the side wall of the tall space building through the primary air supply pipe (14), and the dew point The secondary air outlet of the indirect evaporative cooler (20) is connected with the secondary air supply inlet (23) of the high and large space building provided on the side wall of the high and large space building through the secondary air supply pipe (5); An air filter is arranged in the secondary air supply pipe (5). 2. The stratified cooling energy-saving air-conditioning system according to claim 1, characterized in that a primary air supply diffuser (13) is arranged in the cold air supply inlet (22) of the tall and large space building. 3. The stratified cooling energy-saving air-conditioning system according to claim 1, characterized in that a secondary air supply diffuser (6) is arranged in the secondary air supply inlet (23) of the tall and large space building. 4. The stratified cooling energy-saving air-conditioning system according to claim 1, wherein each of the exhaust units is composed of a plurality of exhaust windows (7); An axial flow fan (21) is arranged in each of the exhaust windows (7). 5. The stratified cooling energy-saving air-conditioning system according to claim 1, characterized in that, the dew point indirect evaporative cooler (20) includes a cooler shell, and the opposite side walls of the cooler shell A fresh air inlet (1) and a cold air supply port (15) are respectively arranged on the top, the fresh air inlet (1) is provided with an air inlet regulating valve, and the cold air supply port (15) is provided with an air supply regulating valve; The cooler housing is provided with a filter (2), a dew point indirect evaporative cooling unit and a blower (16) in sequence according to the air flow direction after the air enters, and the corresponding cooler housing top wall above the dew point indirect evaporative cooling unit is set There is a secondary air outlet; the dew point indirect evaporative cooling unit and the blower (16) are all connected to the solar power generation system. 6. The stratified cooling energy-saving air-conditioning system according to claim 5, characterized in that, the dew point indirect evaporative cooling unit includes a heat exchange core (25), and the upper part of the heat exchange core (25) A water distributor and a secondary fan (3) are provided in sequence; A water collection tank (18) is arranged below the heat exchange core (25); The water distributor is connected to the water collection tank (18) through a water supply pipe, and a water pump (17) is arranged on the water supply pipe; Both the secondary air blower (3) and the water pump (17) are connected with a solar power generation system. 7. The stratified cooling energy-saving air-conditioning system according to claim 1, 5 or 6, characterized in that, the solar power generation system includes a solar panel (12), and the solar panel (12) is inclined Near the reservoir (8) on the roof of the tall space building, the solar panel (12) is connected to the inverter (9), the controller (10) and the storage battery (11) sequentially through wires; Blower (16), secondary fan (3) and water pump (17) are all connected with described controller (10) by wire. 8. The stratified cooling energy-saving air-conditioning system according to claim 7, characterized in that, the water storage tank (8) is connected with a tap water supply pipe. 9. The stratified cooling energy-saving air-conditioning system according to claim 6, wherein the water distributor consists of a water distribution pipe (24) and a plurality of water distribution pipes (24) that are evenly arranged on the water distribution pipe (24) and face the heat exchange core ( 25) The spray nozzle is formed, and the water distribution pipe (24) is connected with the water supply pipe; The water pump (17) is a submersible pump. 10. The stratified cooling energy-saving air-conditioning system according to claim 6, characterized in that, the water collecting tank (18) is also connected with a water supply pipe, and a regulating valve (19) is arranged on the water supply pipe.