CN210070100U - Defrosting type energy storage evaporative cooling air conditioning system - Google Patents
Defrosting type energy storage evaporative cooling air conditioning system Download PDFInfo
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- CN210070100U CN210070100U CN201920182759.4U CN201920182759U CN210070100U CN 210070100 U CN210070100 U CN 210070100U CN 201920182759 U CN201920182759 U CN 201920182759U CN 210070100 U CN210070100 U CN 210070100U
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Abstract
The utility model discloses a defrosting formula energy storage evaporative cooling air conditioning system, including indirect-direct evaporative cooling water set, mechanical refrigeration (heat pump) unit, plate heat exchanger a, plate heat exchanger b, plate heat exchanger c and energy storage equipment, indirect-direct evaporative cooling water set carries out heat exchange with plate heat exchanger a, mechanical refrigeration (heat pump) unit respectively, and mechanical refrigeration (heat pump) unit carries out heat exchange with plate heat exchanger b, plate heat exchanger c respectively, and plate heat exchanger c carries out heat exchange with energy storage equipment. The air conditioning system of the utility model couples the anti-freezing technology of indirect-direct evaporative cooling water chilling unit refrigeration with the defrosting technology of heat pump heating; the mechanical refrigeration (heat pump) technology and the cold and heat storage technology are combined, and the peak-valley electricity price difference value is fully utilized to reduce the running cost of the unit.
Description
Technical Field
The utility model belongs to the technical field of air conditioning equipment, concretely relates to defrosting formula energy storage evaporative cooling air conditioning system.
Background
In recent years, cooling in the indoor space of some industrial buildings has become a hot spot area concerned by the refrigeration and air-conditioning industry, such as textile factories, production workshops, data centers, and the like. Particularly, the high-speed increase of data center construction leads to more and more various devices in a machine room, and a constant-temperature and constant-humidity refrigeration environment is provided for ensuring the data center. The power consumption of the data center can be greatly increased, and the cooling system, the power distribution system, the UPS, the generator and the like are proportionally increased, which brings great challenges to the energy consumption of the data center.
Only the traditional mechanical refrigeration water chilling unit is used for cooling the data center, so that the power consumption is large, and the operation and maintenance cost is high; the evaporative cooling air conditioning technology can make full use of dry air energy to produce cold air and cold water to cool the room of the machine room. With the increase of the design water supply temperature of the data center, the outlet water temperature of the indirect-direct evaporative cooling water chilling unit for preparing high-temperature cold water meets the design requirement of part of time, the power consumption is lower, and the operation and maintenance cost is lower. However, high-temperature cold water prepared by only using an indirect-direct evaporative cooling water chilling unit is limited by meteorological conditions, and in summer in a medium-high humidity region or in continuous rainy days in a dry region, the high-temperature cold water is still required to be prepared by the traditional mechanical refrigeration water chilling unit; in winter severe cold weather, the traditional evaporative cooling water chilling unit is easy to freeze, and anti-freezing measures are required to be fully considered when the water chilling unit is used in the fields of data centers and the like which need cooling in winter. In winter, a heat pump heating mode can be adopted in a living area without central heating near a data center machine room, but when a unit operates at low temperature, the heating capacity and the heating coefficient of the unit can be influenced by frosting of an outdoor unit, and the frosting and defrosting cost accounts for 10% of the total operating energy consumption.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a defrosting formula energy storage evaporative cooling air conditioning system solves the big problem of data center cooling system energy consumption.
The utility model adopts the technical proposal that: a defrosting type energy storage evaporative cooling air conditioning system comprises an indirect-direct evaporative cooling water chilling unit, a mechanical refrigeration (heat pump) unit, a plate heat exchanger a, a plate heat exchanger b, a plate heat exchanger c and an energy storage device, wherein the indirect-direct evaporative cooling water chilling unit is respectively in heat exchange with the plate heat exchanger a and the mechanical refrigeration (heat pump) unit, the mechanical refrigeration (heat pump) unit is respectively in heat exchange with the plate heat exchanger b and the plate heat exchanger c, and the plate heat exchanger c is in heat exchange with the energy storage device.
The utility model is also characterized in that,
the middle part of the indirect-direct evaporative cooling water chilling unit is provided with a packed tower, the middle part in the packed tower is provided with a filler, a heat exchange coil b is arranged above the filler in the packed tower, a water distributor b is arranged above the heat exchange coil b, a water baffle is arranged above the water distributor b, and the upper end of the water baffle is provided with a fan b.
The left side and the right side of the packed tower are sequentially provided with an air inlet, a coarse filter, a heat exchange coil a and a plate tube indirect evaporative cooler according to an air inlet direction, a water distributor a is arranged above the plate tube indirect evaporative cooler, a fan a is arranged above the water distributor a, the water distributor a is connected with one end of a first guide tube, the other end of the first guide tube is connected with the heat exchange coil a, a valve a is arranged on the first guide tube, a first water tank is arranged at the bottom of the plate tube indirect evaporative cooler, a water pump a is arranged in the first water tank, the water pump a is connected with a second guide tube, and a valve b and a valve c are.
The bottom of the packed tower is provided with a second water tank, a water pump b is arranged in the second water tank, the water pump b is connected with a third guide pipe, the third guide pipe passes through the plate heat exchanger a, the end part of the third guide pipe is connected with a water distributor b, a valve d and a valve e are arranged on the third guide pipe close to the plate heat exchanger a, a fourth guide pipe is further connected onto the plate heat exchanger a, the end part of the fourth guide pipe is connected with the plate heat exchanger b, and the fourth guide pipe is respectively provided with a valve f, a valve g and.
The mechanical refrigeration (heat pump) unit comprises a shell-and-tube heat exchanger, a throttle valve, a compressor and a four-way valve, wherein one end of the shell-and-tube heat exchanger is connected with the upper end of a heat exchange coil a through a fifth guide pipe, the throttle valve is arranged on the fifth guide pipe, the other end of the shell-and-tube heat exchanger is connected with the lower end of the heat exchange coil a through a sixth guide pipe, the sixth guide pipe passes through the compressor, and the six guide pipe is provided.
The shell-and-tube heat exchanger is connected with the plate heat exchanger b and the plate heat exchanger c through a conduit seven, a valve k and a valve m are arranged on the conduit seven, the plate heat exchanger c is connected with the energy storage device through a conduit eight, and a valve n and a valve s are arranged on the conduit eight.
The top of the packed tower is provided with an air outlet which is communicated with the outside.
A bypass air valve is arranged between the heat exchange coil a and the plate pipe indirect evaporative cooler, and the plate pipe indirect evaporative cooler is communicated with the packed tower.
The lower part of the plate-tube indirect evaporative cooler is provided with a secondary air inlet.
The utility model discloses air conditioning system's beneficial effect is:
1. the utility model has the advantages of complete functions, energy saving and high efficiency, and can simultaneously prepare high-temperature cold water and low-temperature cold water in transition seasons and summer, and supply cold and dehumidify; the air conditioner can simultaneously supply cold and heat in winter, and defrost freely; the peak-valley electricity price difference value can be utilized to carry out cold accumulation and heat accumulation, and the operation cost is saved.
2. When the air conditioning system of the utility model operates the indirect-direct evaporative cooling water chilling unit in transition seasons and summer, the two-stage indirect evaporative cooling section reduces the temperature of the dry and wet balls entering the air of the packed tower, reduces the condensation temperature, promotes the evaporation temperature of the evaporator, and prolongs the operation time of evaporative cooling; the heat transfer unit form is enhanced by combining internal and external cooling, the cross section flow channel of the plate tube indirect evaporative cooler is wider, the water film on the outer side of the tube wall of the plate tube is more uniform, the tube resistance is smaller, the hydrophilicity of the adopted high polymer material is enhanced, the anti-scaling effect is remarkable, the heat transfer and mass transfer effect is enhanced, and the service life of the plate tube indirect evaporative cooler is prolonged.
3. The internal circulation (internal circulation: the circulation of supplying water and returning water at the tail end) of all heat exchange in the air conditioning system adopts closed circulation, and the plate heat exchanger is used during the heat exchange of the internal circulation and the external circulation (external circulation: the circulation of using medium for cooling the internal circulation), thereby effectively avoiding the problems of indoor tail end blockage and the like in the internal circulation.
4. The utility model discloses cold water between shell and tube heat exchanger and plate heat exchanger b, c among the air conditioning system can adjust the 7 ℃ cold water flow distribution of preparing through the degree of opening of valve, through plate heat exchanger b, c, prepares the high temperature cold water that the inner loop cooling was used, the low temperature cold water of cooling and dehumidification usefulness respectively.
5. The utility model discloses air conditioning system can supply cold, heat supply simultaneously winter, and the defrosting technical coupling that heats technique and heat pump that will prevent frostbite fully uses the frostproofing characteristics of ethylene glycol secondary refrigerant, realizes heat transfer and high-efficient utilization, realizes the free defrosting, improves the heating effect and the running life of unit.
6. The utility model discloses air conditioning system can make full use of peak-to-valley electricity difference carry out cold-storage, heat accumulation, practices thrift the running cost of mechanical refrigeration (heat pump) unit.
7. The utility model discloses air conditioning system reduces the transmission and distribution system energy consumption with integral type equipment such as mechanical refrigeration cooling water set, indirect-direct evaporative cooling water set, plate heat exchanger, energy storage equipment, convenient transportation, installation, maintenance.
Drawings
Fig. 1 is a schematic structural diagram of a defrosting type energy storage evaporative cooling air conditioning system of the present invention;
FIG. 2 is a schematic view of the flow of the defrosting type energy storage evaporative cooling air conditioning system in winter according to the present invention;
FIG. 3 is a schematic view of the transition season operation flow of the defrosting type energy storage evaporative cooling air conditioning system of the present invention;
FIG. 4 is a schematic diagram of the operation flow of the defrosting type energy storage evaporative cooling air conditioning system in summer;
FIG. 5 is a schematic view of the installation position of the defrosting type energy storage evaporative cooling air conditioning system of the present invention;
fig. 6 is a schematic diagram of a heat pump heating process of the defrosting type energy storage evaporative cooling air conditioning system of the present invention;
fig. 7 is a schematic diagram of a mechanical refrigeration flow of a defrosting type energy storage evaporative cooling air conditioning system of the present invention;
fig. 8 is a schematic diagram of the indirect-direct evaporative cooling chiller running in the transition season and summer of the defrosting type energy storage evaporative cooling air conditioning system of the present invention.
In the figure, 1, an air inlet, 2, a coarse filter, 3, a heat exchange coil a, 4, a valve a, 5, a valve b, 6, a plate-pipe indirect evaporative cooler, 7, a water distributor a, 8, a fan a, 9, a secondary air inlet, 10, a water pump a, 11, a valve c, 12, a bypass air valve, 13, a packed tower, 14, a fan b, 15, a water baffle, 16, a water distributor b, 17, a heat exchange coil b, 18, a packing, 19, a water pump b, 20, a valve d, 21, a valve e, 22, a plate heat exchanger a, 23, a valve f, 24, a valve g, 25, a valve h, 26, a throttle valve, 27, a shell-and-tube heat exchanger, 28, a four-way valve, 29, a compressor, 30, a plate heat exchanger b, 31, a valve k, a valve m, 33, a plate heat exchanger c, 34, a valve n, 35, a valve s, 36 and an energy storage device are.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model provides a defrosting formula energy storage evaporative cooling air conditioning system, as shown in figure 1, including indirect-direct evaporative cooling water set, mechanical refrigeration (heat pump) unit, plate heat exchanger a22, plate heat exchanger b30, plate heat exchanger c33 and energy storage device 36, indirect-direct evaporative cooling water set carries out heat exchange with plate heat exchanger a22, mechanical refrigeration (heat pump) unit respectively, mechanical refrigeration (heat pump) unit carries out heat exchange with plate heat exchanger b30, plate heat exchanger c33 respectively, plate heat exchanger c33 carries out heat exchange with energy storage device 36;
the middle part of the indirect-direct evaporative cooling water chilling unit is provided with a packed tower 13, the middle part in the packed tower 13 is provided with a packing 18, a heat exchange coil b17 is arranged above the packing 18 in the packed tower 13, a water distributor b16 is arranged above a heat exchange coil b17, a water baffle 15 is arranged above the water distributor b16, the upper end of the water baffle 15 is provided with a fan b14, the top of the packed tower 13 is provided with an air outlet, and the air outlet is communicated with the outside;
the left side and the right side of the packed tower 13 have the same structure, the left side and the right side of the packed tower 13 are sequentially provided with an air inlet 1, a coarse filter 2, a heat exchange coil a3 and a plate-tube indirect evaporative cooler 6 according to the air inlet direction, a bypass air valve 12 is arranged between the heat exchange coil a3 and the plate-tube indirect evaporative cooler 6, the plate-tube indirect evaporative cooler 6 is communicated with a packed tower 13, a secondary air inlet 9 is arranged at the lower part of the plate-tube indirect evaporative cooler 6, a water distributor a7 is arranged above the plate-tube indirect evaporative cooler 6, a fan a8 is arranged above the water distributor a7, the water distributor a7 is connected with one end of a first guide pipe, the other end of the first guide pipe is connected with the heat exchange coil a3, a valve a4 is arranged on the first guide pipe, a first water tank is arranged at the bottom of the plate pipe indirect evaporative cooler 6, a water pump a10 is arranged in the first water tank, the water pump a10 is connected with a second guide pipe, and a valve b5 and a valve c11 are arranged on the second guide pipe;
the bottom of the packed tower 13 is provided with a water tank II, a water pump b19 is arranged in the water tank II, the water pump b19 is connected with a conduit III, the conduit III passes through a plate heat exchanger a22, the end part of the conduit III is connected with a water distributor b16, a valve d20 and a valve e21 are arranged on the conduit III close to the plate heat exchanger a22, a conduit IV is further connected on the plate heat exchanger a22, the end part of the conduit IV is connected with the plate heat exchanger b30, and a valve f23, a valve g24 and a valve h25 are respectively arranged on the conduit IV;
the mechanical refrigeration (heat pump) unit comprises a shell-and-tube heat exchanger 27, a throttle valve 26, a compressor 29 and a four-way valve 28, wherein one end of the shell-and-tube heat exchanger 27 is connected with the upper end of a heat exchange coil a17 through a fifth guide pipe, the throttle valve 26 is arranged on the fifth guide pipe, the other end of the shell-and-tube heat exchanger 27 is connected with the lower end of a heat exchange coil a17 through a sixth guide pipe, the sixth guide pipe passes through the compressor 29, and the four-way valve 28 is;
the shell-and-tube heat exchanger 27 in the mechanical refrigeration (heat pump) unit is connected with the plate heat exchanger b30 and the plate heat exchanger c33 through a conduit seven for heat exchange, a valve k31 and a valve m32 are arranged on the conduit seven, the plate heat exchanger c33 is connected with the energy storage device 36 through a conduit eight, and a valve n34 and a valve s35 are arranged on the conduit eight.
Ethylene glycol solution is introduced into the heat exchange coil a3 in winter, and circulating water precooling fresh air is introduced in summer and transition seasons;
the water distributor a7, the fan a8, the secondary air inlet 9, the water pump a10, the valve c11 and the bypass air valve 12 jointly form a plate-pipe indirect evaporative cooling section, and the plate-pipe indirect evaporative cooling section is opened in transition seasons and summer and is stopped in winter;
the heat exchange coil b17 is used as a condenser to release heat in transitional seasons and summer, and is used as an evaporator to absorb heat in winter;
the shell-and-tube heat exchanger 27 is used as an evaporator to prepare low-temperature cold water in transition seasons and summer and used as a condenser to prepare low-temperature hot water in winter; the energy storage device 36 stores heat at night in winter and stores heat at night in summer.
The plate-tube indirect evaporative cooler 6 only works in summer and transitional seasons, wherein:
primary air flow: outdoor fresh air is used as primary air, is precooled by a heat exchange coil a3 on the outer side of the unit, is further subjected to equal-humidity cooling in a pipe of the plate-pipe type indirect evaporative cooler 6, and enters the packed tower 13 to perform heat-mass exchange with circulating spray water;
secondary air flow: part of the outdoor fresh air after being subjected to wet cooling by the heat exchange coil a3 and the like enters a wet channel on the outer side of the plate tube indirect evaporative cooler 6 through the bypass air valve 12, is mixed with the outdoor fresh air entering through the secondary air inlet 9, enters the wet channel on the outer wall of the tube and is subjected to heat and mass exchange with circulating spray water, and the primary air on the inner wall of the plate tube is cooled and then is discharged to the environment by the upper fan a 8;
a circulating water flow: the cooled circulating spray water falls into a water tank, is introduced into a heat exchange coil a3 for precooling outdoor fresh air, and then returns to a wet channel of the plate-tube indirect evaporative cooler 6 on the outer side of the tube for spray cooling, and the circulation is carried out.
The utility model provides a pair of defrosting formula energy storage evaporative cooling air conditioning system's mode of operation is as follows including winter mode of operation, transition season mode of operation and summer mode of operation:
(1) winter operation mode:
as shown in fig. 2, in the indirect-direct evaporative cooling chiller, only the valve a4, the valve b5 and the fan b14 are opened, ethylene glycol is operated for natural cooling, the system of the mechanical refrigeration (heat pump) unit only opens the valve m32 and closes the valve k31 in the daytime, and the valve n34 and the valve s35 in the energy storage device 36 are also opened at night, and the heating mode is operated in a specific manner: the glycol solution which absorbs indoor heat is introduced into heat exchange coils a3 on two sides of the unit to preheat outdoor fresh air by using the glycol solution as a secondary refrigerant, and then the glycol solution cooled by the outdoor fresh air enters the indoor tail end to supply cold; as shown in fig. 6, the valve plate of the four-way valve 28 in the mechanical refrigeration (heat pump) unit is switched to a heating state, the heat exchange coil b17 in the packed tower 13 is used as an evaporator to absorb the heat of air preheated by the glycol solution, the refrigerant in the heat exchange coil b17 is gasified and then enters the shell-and-tube heat exchanger 27 through the throttle valve 26 to condense and release heat, the water heated in the shell-and-tube heat exchanger 27 is introduced into the plate heat exchanger c33 to heat the circulating water at the other side, the heated low-temperature hot water enters a living area for heating, and when the mechanical refrigeration (heat pump) unit is operated at night, a part of the heated low-temperature hot water is introduced into.
(2) Transition season operation mode:
as shown in fig. 3 and 8, the indirect-direct evaporative cooling chiller unit is combined with a mechanical refrigeration (heat pump) unit to produce high-temperature chilled water, and the indirect-direct evaporative cooling chiller unit is used to produce cooling water when the refrigerant in the heat exchange coil b17 is condensed, and the specific method is as follows: in the indirect-direct evaporative cooling water chilling unit, only a valve a4 and a valve b5 are closed, other equipment is opened, meanwhile, a bypass air valve 12 is opened, a valve of a transmission and distribution system only opens a valve d20, a valve f23 and a valve h25, closes a valve e21 and a valve f24, a mechanical refrigeration (heat pump) system only opens a valve k31 and a valve m32 in the daytime, a valve n34 and a valve s35 in an energy storage device 36 need to be opened at night, indoor tail end backwater enters a plate type heat exchanger a22 to be precooled by high-temperature cold water of the indirect-direct evaporative cooling water chilling unit, enters a plate type heat exchanger b30 to be cooled to the designed high-temperature cold water temperature, and then enters the indoor tail end to be chilled water;
as shown in fig. 7, the mechanically refrigerated heat exchange coil b17 is used as a condenser and is cooled by spray water outside the pipe and air after two-stage indirect precooling (evaporative condensation), a gaseous refrigerant is heated and liquefied inside the pipe, the shell-and-tube heat exchanger 27 is used as an evaporator to prepare cold water at 7 ℃, a small part of the cold water at 7 ℃ flows into the plate heat exchanger b30 to cool circulating water on the other side to prepare high-temperature cold water, a large part of the cold water at 7 ℃ flows into the plate heat exchanger c33 to cool circulating water on the other side to prepare low-temperature cold water (lower than the dew point temperature), the low-temperature cold water (lower than the dew point temperature) prepared by the plate heat exchanger c33 can be used for dehumidification, and at night, the low;
after wet cooling by a heat exchange coil a3 and the like, part of fresh air enters the tube and is sprayed by circulating water outside the tube and subjected to wet cooling by air and the like, part of fresh air enters a wet channel outside the tube of the plate tube indirect evaporative cooler 6 through a bypass air valve 12 and is mixed with outdoor air to be used as secondary air and circulating water to generate heat-mass exchange, circulating water with the temperature lower than the wet bulb temperature of outdoor air can be prepared, the circulating water is firstly introduced into a heat exchange coil a3 to pre-cool the fresh air, is sprayed on the plate tube indirect evaporative cooler 6, and enters a packed tower 13 to generate heat-mass exchange after passing through two-stage equal wet cooled outdoor fresh air, and the prepared high-temperature cold water is firstly introduced into a plate heat exchanger a22 and then enters an indirect-direct evaporative.
(3) Summer operation mode:
as shown in fig. 4, the mechanical refrigeration chiller unit is used for producing high-temperature cold water, and the indirect-direct evaporative cooling chiller unit is used for producing cooling water during condensation of the heat exchange coil b17, which specifically comprises the following steps: in the indirect-direct evaporative cooling water chilling unit, only the valve a4 and the valve b5 are closed, other equipment is opened, the bypass air valve 12 is opened, the valve of the transmission and distribution system only opens the valve e21, the valve g24 and the valve h25, the valve d20 and the valve f23 are closed, the mechanical refrigeration (heat pump) system only opens the valve k31 and the valve m32 in the daytime, the valve n34 and the valve s35 of the energy storage device 36 are required to be opened at night, and the indoor tail end backwater enters the plate heat exchanger b30 to be cooled to the designed high-temperature cold water temperature and then enters the indoor tail end for cooling;
the mechanically refrigerated heat exchange coil b17 is used as a condenser and is cooled by spray water outside the pipe and air after two-stage indirect precooling (evaporative condensation), a gaseous refrigerant is subjected to heat release and liquefaction in the pipe, the shell-and-tube heat exchanger 27 is used as an evaporator to prepare cold water at 7 ℃, a small part of the cold water at 7 ℃ flows into the plate heat exchanger b30 to cool circulating water on the other side to prepare high-temperature cold water, a large part of the cold water at 7 ℃ flows into the plate heat exchanger c33 to cool the circulating water on the other side to prepare low-temperature cold water (lower than the dew point temperature), the low-temperature cold water (lower than the dew point temperature) prepared by the plate heat exchanger c33 can be used for dehumidification, and the low-;
after wet cooling by a heat exchange coil a3 and the like, part of fresh air enters the tube and is sprayed by circulating water outside the tube and subjected to wet cooling by air and the like, part of fresh air enters a wet channel outside the tube of the plate tube indirect evaporative cooler 6 through a bypass air valve 12 and is mixed with outdoor air to be used as secondary air and circulating water to generate heat-mass exchange, circulating water with the temperature lower than the wet bulb temperature of outdoor air can be prepared, the circulating water is firstly introduced into a heat exchange coil a3 to pre-cool the fresh air, is sprayed on the plate tube indirect evaporative cooler 6, and enters a packed tower 13 to generate heat-mass exchange after passing through two-stage equal wet cooled outdoor fresh air, and the prepared high-temperature cold water is firstly introduced into a plate heat exchanger a22 and then enters an indirect-direct evaporative.
The air conditioning system of the utility model couples the anti-freezing technology of indirect-direct evaporative cooling water chilling unit refrigeration with the defrosting technology of heat pump heating; the mechanical refrigeration (heat pump) technology and the cold and heat storage technology are combined, and the peak-valley electricity price difference value is fully utilized to reduce the running cost of the unit; the energy consumption of the transmission and distribution system is reduced by the form of the integrated unit, and the transportation, installation, operation and maintenance are more convenient; the method and the device have wide application prospect in data centers.
Claims (8)
1. The defrosting type energy storage evaporative cooling air conditioning system is characterized by comprising an indirect-direct evaporative cooling water chilling unit, a mechanical refrigerating unit or a heat pump unit, a plate heat exchanger a (22), a plate heat exchanger b (30), a plate heat exchanger c (33) and an energy storage device (36), wherein the indirect-direct evaporative cooling water chilling unit is respectively subjected to heat exchange with the plate heat exchanger a (22), the mechanical refrigerating unit or the heat pump unit is respectively subjected to heat exchange with the plate heat exchanger b (30) and the plate heat exchanger c (33), and the plate heat exchanger c (33) is subjected to heat exchange with the energy storage device (36).
2. A defrosting energy storage evaporative cooling air conditioning system according to claim 1, wherein the indirect-direct evaporative cooling water chilling unit is arranged in the middle of a packed tower (13), a packing (18) is arranged in the middle of the packed tower (13), a heat exchange coil b (17) is arranged above the packing (18) in the packed tower (13), a water distributor b (16) is arranged above the heat exchange coil b (17), a water baffle (15) is arranged above the water distributor b (16), and a fan b (14) is arranged at the upper end of the water baffle (15); and an air outlet is formed in the top of the packed tower (13) and communicated with the outside.
3. A defrost-accumulating, evaporative cooling air conditioning system as in claim 2, the left side and the right side of the packed tower (13) are sequentially provided with an air inlet (1), a coarse filter (2), a heat exchange coil a (3) and a plate-tube indirect evaporative cooler (6) according to the air inlet direction, a water distributor a (7) is arranged above the plate-tube indirect evaporative cooler (6), a fan a (8) is arranged above the water distributor a (7), the water distributor a (7) is connected with one end of a first guide pipe, the other end of the first guide pipe is connected with a heat exchange coil a (3), a valve a (4) is arranged on the first guide pipe, a first water tank is arranged at the bottom of the plate pipe indirect evaporative cooler (6), a water pump a (10) is arranged in the water tank I, the water pump a (10) is connected with a second guide pipe, and a valve b (5) and a valve c (11) are arranged on the second guide pipe.
4. A defrosting energy storage evaporative cooling air conditioning system according to claim 2, wherein a second water tank is arranged at the bottom of the packed tower (13), a water pump b (19) is arranged in the second water tank, the water pump b (19) is connected with a third conduit, the third conduit passes through the plate heat exchanger a (22), the end of the third conduit is connected with the water distributor b (16), a valve d (20) and a valve e (21) are arranged on the third conduit at positions close to the plate heat exchanger a (22), a fourth conduit is further connected to the plate heat exchanger a (22), the end of the fourth conduit is connected with the plate heat exchanger b (30), and a valve f (23), a valve g (24) and a valve h (25) are respectively arranged on the fourth conduit.
5. The defrosting energy storage evaporative cooling air conditioning system according to claim 1, wherein the mechanical refrigerating unit or heat pump unit comprises a shell-and-tube heat exchanger (27), a throttle valve (26), a compressor (29) and a four-way valve (28), one end of the shell-and-tube heat exchanger (27) is connected with the upper end of the heat exchange coil a (3) through a fifth conduit, the throttle valve (26) is arranged on the fifth conduit, the other end of the shell-and-tube heat exchanger (27) is connected with the lower end of the heat exchange coil a (3) through a sixth conduit, the sixth conduit passes through the compressor (29), and the four-way valve (28) is arranged on the sixth conduit.
6. A defrost-accumulating evaporative cooling air conditioning system as in claim 5, characterized in that said shell and tube heat exchanger (27) is connected to the plate heat exchanger b (30) and the plate heat exchanger c (33) through a conduit seven, said conduit seven being provided with a valve k (31) and a valve m (32), said plate heat exchanger c (33) being connected to the accumulator (36) through a conduit eight, said conduit eight being provided with a valve n (34) and a valve s (35).
7. A defrost stored energy evaporative cooling air conditioning system as claimed in claim 3, characterized in that a bypass damper (12) is arranged between said heat exchanging coil a (3) and said plate-tube indirect evaporative cooler (6), said plate-tube indirect evaporative cooler (6) being in communication with a packed tower (13).
8. A defrost storage evaporative cooling air conditioning system as defined in claim 3, characterised in that the lower part of said plate-tube indirect evaporative cooler (6) is provided with secondary air intakes (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920182759.4U CN210070100U (en) | 2019-02-01 | 2019-02-01 | Defrosting type energy storage evaporative cooling air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920182759.4U CN210070100U (en) | 2019-02-01 | 2019-02-01 | Defrosting type energy storage evaporative cooling air conditioning system |
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| CN210070100U true CN210070100U (en) | 2020-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920182759.4U Expired - Fee Related CN210070100U (en) | 2019-02-01 | 2019-02-01 | Defrosting type energy storage evaporative cooling air conditioning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780658A (en) * | 2019-02-01 | 2019-05-21 | 西安工程大学 | Defrosting cooling-the mechanical refrigeration of formula energy-storage evaporation (heat pump) Aircrew Microclimate Conditioning System |
-
2019
- 2019-02-01 CN CN201920182759.4U patent/CN210070100U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109780658A (en) * | 2019-02-01 | 2019-05-21 | 西安工程大学 | Defrosting cooling-the mechanical refrigeration of formula energy-storage evaporation (heat pump) Aircrew Microclimate Conditioning System |
| CN109780658B (en) * | 2019-02-01 | 2020-12-08 | 西安工程大学 | Defrosting type energy storage evaporation cooling-mechanical refrigeration (heat pump) unit air conditioning system |
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