CN216592023U - Annual anti-freezing air conditioning system utilizing natural cold source and dry air energy - Google Patents
Annual anti-freezing air conditioning system utilizing natural cold source and dry air energy Download PDFInfo
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- CN216592023U CN216592023U CN202122265239.XU CN202122265239U CN216592023U CN 216592023 U CN216592023 U CN 216592023U CN 202122265239 U CN202122265239 U CN 202122265239U CN 216592023 U CN216592023 U CN 216592023U
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 26
- 238000007710 freezing Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 268
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 137
- 238000005507 spraying Methods 0.000 claims abstract description 26
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000945 filler Substances 0.000 claims abstract description 15
- 239000002184 metal Substances 0.000 claims abstract description 11
- 230000008014 freezing Effects 0.000 claims abstract description 3
- 230000002528 anti-freeze Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 8
- 238000005336 cracking Methods 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Abstract
The utility model discloses a year-round anti-freezing air conditioning system utilizing a natural cold source and dry air energy, which comprises an ethylene glycol air cooler, a vertical pipe indirect air-water heat exchanger, a water spraying device, a filler, an exhaust fan, a water tank and the like. The vertical tube indirect air-water heat exchanger consists of a water collector, a water separator, fins and a vertical metal tube; fins are inserted on the vertical metal pipe in a penetrating way, a water inlet is arranged on the water separator, and a water outlet is arranged on the water collector; the water circulating in the vertical pipe indirect air-water heat exchanger can be obtained by shunting cold water prepared by a unit or cold water subjected to heat exchange by a plate heat exchanger. A drain valve is arranged below a water collector water inlet of the vertical pipe indirect air-water heat exchanger and used for draining water inside the pipe in winter to prevent frost cracking. The indirect evaporation water chilling unit can be provided with a glycol air cooler and is applied to cooling and freezing prevention when the temperature of a data center is below zero.
Description
Technical Field
The utility model belongs to the technical field of air conditioning equipment, and relates to a full-year anti-freezing air conditioning system utilizing a natural cold source and dry air energy.
Background
The air conditioner energy consumption accounts for the most in the building energy consumption, is one of the main directions of energy conservation and emission reduction, and is one of the current hot problems of how to reduce the air conditioner energy consumption and achieve the refrigeration effect. The indirect evaporative water chilling unit is widely applied, a part air cooler is often damaged due to incomplete water drainage in the application process of the traditional external cooling type indirect evaporative water chilling unit, and in order to solve the problem, the year-round anti-freezing air conditioning system utilizing a natural cold source and dry air energy is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a year-round anti-freezing air conditioning system utilizing a natural cold source and dry air energy, which can realize year-round non-freezing operation of a unit.
The utility model adopts the technical scheme that the all-year anti-freezing air conditioning system utilizing a natural cold source and dry air energy comprises a unit shell, wherein air inlets are arranged below two corresponding side walls of the unit shell, a direct evaporative cooler is arranged at the middle position in the unit shell, an air outlet is arranged at the top of the unit shell corresponding to the position of the direct evaporative cooler, a glycol air cooler b, a vertical pipe indirect air-water heat exchanger b, a glycol air cooler a and a vertical pipe indirect air-water heat exchanger a are symmetrically arranged at the positions, corresponding to the air inlets, on the two sides of the direct evaporative cooler in the unit shell according to the air inlet direction, the plate heat exchanger a, the plate heat exchanger b and the user tail end are arranged outside the unit shell, and the plate heat exchanger a and the plate heat exchanger b form a circulation loop with the user tail end through pipelines respectively, the plate heat exchanger a is further connected with the direct evaporative cooler through a pipeline, the plate heat exchanger b is further respectively connected with the ethylene glycol air cooler a and the ethylene glycol air cooler b through pipelines to form a circulation loop, and the vertical tube indirect air-water heat exchanger b, the vertical tube indirect air-water heat exchanger a and the direct evaporative cooler form a circulation loop through pipelines.
Preferably, the direct evaporative cooler comprises a filler in the middle of the unit shell and at a position corresponding to the upper part of the air inlet, a spraying device a, a spraying device b, a water baffle and an exhaust fan are sequentially arranged above the filler from bottom to top, and the direct evaporative cooler also comprises a water tank arranged at the bottom of the unit shell, wherein the water tank is respectively connected with the plate heat exchanger a, the vertical tube indirect air-water heat exchanger a and the vertical tube indirect air-water heat exchanger b through a water supply pipe, a water supply pipe a and a water supply pipe b, the plate heat exchanger a is further connected with the spraying device b through a pipeline G1, and outlets of the vertical tube indirect air-water heat exchanger a and the vertical tube indirect air-water heat exchanger b are commonly connected with the spraying device a.
The utility model adopts another technical scheme that the all-year-round anti-freezing air conditioning system utilizing a natural cold source and dry air energy comprises a unit shell, wherein air inlets are arranged below two corresponding side walls of the unit shell, a direct evaporative cooler is arranged in the middle position in the unit shell, an air outlet is arranged at the top of the unit shell and corresponds to the position of the direct evaporative cooler, a glycol air cooler b, a vertical pipe indirect air-water heat exchanger b, a glycol air cooler a and a vertical pipe indirect air-water heat exchanger a are symmetrically arranged in the unit shell and are positioned at the positions corresponding to the air inlets at the two sides of the direct evaporative cooler respectively according to the air inlet direction, the all-year-round anti-freezing air conditioning system further comprises a plate heat exchanger a, a plate heat exchanger b and a user tail end which are arranged outside the unit shell, and the plate heat exchanger a and the plate heat exchanger b form a circulation loop with the user tail end through pipelines respectively, the plate heat exchanger a is also connected with the direct evaporative cooler through a water supply pipe, the plate heat exchanger b forms a circulation loop with the ethylene glycol air cooler a and the ethylene glycol air cooler b through pipelines respectively, and the vertical pipe indirect air-water heat exchanger b and the vertical pipe indirect air-water heat exchanger a are also connected with the plate heat exchanger a through the water supply pipe b and the water supply pipe a respectively.
Preferably, the direct evaporative cooler comprises a filler arranged in the middle of the unit shell and corresponding to the position above the air inlet, a spraying device a, a water baffle and an exhaust fan are sequentially arranged above the filler from bottom to top, and the direct evaporative cooler also comprises a water tank arranged at the bottom of the unit shell, and the water tank is connected with the plate heat exchanger a through a water supply pipe.
Preferably, the plate heat exchanger a is connected to the inlet of the user end through a pipe G2, and the outlet of the user end is connected to the plate heat exchanger a through a pipe G3;
the plate heat exchanger b is converged on a pipeline G2 through a pipeline G4 and connected with an inlet at the tail end of a user, an outlet at the tail end of the user is connected with the plate heat exchanger b through a pipeline G5, inlets of the ethylene glycol air cooler a and the ethylene glycol air cooler b are converged through a pipeline G6 and a pipeline G7 and then connected to the plate heat exchanger b, and outlets of the ethylene glycol air cooler a and the ethylene glycol air cooler b are converged through a pipeline G8 and a pipeline G9 and then connected to the plate heat exchanger b.
Preferably, the vertical tube indirect air-water heat exchanger b and the vertical tube indirect air-water heat exchanger a have the same structure and respectively comprise a water collector and a water distributor which are arranged vertically and symmetrically, a plurality of vertical metal tubes are connected between the water collector and the water distributor, fins are inserted into the plurality of vertical metal tubes, a water outlet and a water inlet are respectively arranged on the water collector and the water distributor, the water outlets of the vertical tube indirect air-water heat exchanger b and the vertical tube indirect air-water heat exchanger a are jointly connected with the spraying device a, and the water inlets of the vertical tube indirect air-water heat exchanger b and the vertical tube indirect air-water heat exchanger a are respectively connected with the water supply pipe b and the water supply pipe a.
Preferably, a water supply pump is arranged on the water supply pipe, a circulating water pump b is arranged at the joint of the collected pipe G8 and the pipe G9 and the plate heat exchanger b, and a circulating water pump a is arranged at the joint of the collected pipe G4 and the collected pipe G2 and the inlet of the user end.
Preferably, the pipeline G3, the pipeline G2, the pipeline G4 and the pipeline G5 are respectively provided with a water valve a, a water valve b, a water valve c and a water valve.
The utility model has the advantages that
1) The vertical pipe indirect air-water heat exchanger adopts the forms of the water collecting and distributing device and the vertical pipe, can discharge water in the heat exchanger completely when discharging water, and can not frost crack a pipeline in winter.
2) A drain valve is arranged below a water collector water inlet of the vertical pipe indirect air-water heat exchanger and used for draining water inside the pipe in winter to prevent frost cracking.
3) The indirect water chilling unit is provided with the glycol air cooler, so that cooling can be performed in a subzero temperature environment, and year-round cooling requirements are met.
4) The upper part of the water separator of the vertical tube indirect air-water heat exchanger is connected with an independent spraying device, and the water separator can spray independently.
Drawings
FIG. 1 is a structural diagram of an embodiment of an all year round anti-freezing air conditioning system using natural cold source and dry air energy according to the present invention;
FIG. 2 is a structural diagram of a second embodiment of the year round antifreeze air conditioning system using natural cold source and dry air energy according to the present invention;
FIG. 3 is a schematic structural diagram of a vertical pipe indirect air-water heat exchanger in a year round anti-freezing air conditioning system using natural cold source and dry air energy according to the present invention;
fig. 4 is a sectional view of a vertical pipe indirect air-water heat exchanger in a year round antifreeze air conditioning system using a natural cold source and dry air energy according to the present invention.
In the figure, 1, an exhaust fan, 2, a water baffle, 3, a spraying device a, 4, a filler, 5, a vertical pipe indirect air-water heat exchanger a, 6, a glycol air cooler a, 7, a water tank, 8, a glycol air cooler b, 9, a vertical pipe indirect air-water heat exchanger b, 10, a spraying device b, 11, a water supply pipe, 12, a water supply pipe a, 13, a water supply pipe b, 14, a plate heat exchanger a, 15, a plate heat exchanger b, 16, a water valve a, 17, a water valve b, 18, a water valve c, 19, a water valve d, 20, a circulating water pump a, 21, a user terminal, 22, a circulating water pump b, 23, a water outlet, 24, a water collector, 25 fins, 26, a vertical metal pipe, 27, a water separator, 28, a water inlet, 29, an air inlet, 30, an exhaust outlet and 31, a water supply pump are arranged.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The utility model relates to a year-round anti-freezing air conditioning system utilizing natural cold source and dry air energy, which has a structure shown in figure 1 and comprises a unit shell, wherein air inlets 29 are arranged below two corresponding side walls of the unit shell, a direct evaporative cooler is arranged in the middle position in the unit shell, an air outlet 30 is arranged at the top of the unit shell and corresponds to the position of the direct evaporative cooler, ethylene glycol air coolers b8, vertical pipe indirect air-water heat exchangers b9, ethylene glycol air coolers a6 and vertical pipe indirect air-water heat exchangers a5 are symmetrically arranged in the unit shell and correspond to the positions of the air inlets 29 at two sides of the direct evaporative cooler according to the air inlet direction, the year-round anti-freezing air conditioning system further comprises a plate heat exchanger a14, a plate heat exchanger b15 and a user terminal 21 which are arranged outside the unit shell, the plate heat exchanger a14 and the plate heat exchanger b15 form a circulation loop with the user terminal 21 through pipelines, the plate heat exchanger a14 is further connected with the direct evaporative cooler through a pipeline, the plate heat exchanger b15 forms a circulation loop with the ethylene glycol air cooler a6 and the ethylene glycol air cooler b8 through pipelines respectively, and the vertical pipe indirect air-water heat exchanger b9, the vertical pipe indirect air-water heat exchanger a5 and the direct evaporative cooler form a circulation loop through pipelines. The direct evaporative cooler comprises a filler 4 corresponding to the position above an air inlet 29 in the middle of a unit shell, wherein a spraying device a3, a spraying device b10, a water baffle 2 and an exhaust fan 1 are sequentially arranged above the filler 4 from bottom to top, the direct evaporative cooler also comprises a water tank 7 arranged at the bottom of the unit shell, the water tank 7 is respectively connected with a plate heat exchanger a14, a vertical tube indirect air-water heat exchanger a5 and a vertical tube indirect air-water heat exchanger b9 through a water supply pipe 11, a water supply pipe a12 and a water supply pipe b13, the plate heat exchanger a14 is also connected with a spraying device b10 through a pipeline G1, and outlets of the vertical tube indirect air-water heat exchanger a5 and the vertical tube indirect air-water heat exchanger b9 are commonly connected with the spraying device a 3. The plate heat exchanger a14 is connected to the inlet of the user end 21 by a conduit G2, and the outlet of the user end 21 is connected to the plate heat exchanger a14 by a conduit G3; plate heat exchanger b15 converges on pipe G2 through pipe G4 to connect with the inlet of user end 21, the outlet of user end 21 connects with plate heat exchanger b15 through pipe G5, the inlets of ethylene glycol air cooler a6 and ethylene glycol air cooler b8 converge through pipe G6 and pipe G7 respectively and then connect to plate heat exchanger b15, and the outlets of ethylene glycol air cooler a6 and ethylene glycol air cooler b8 converge through pipe G8 and pipe G9 respectively and then connect to plate heat exchanger b 15. As shown in fig. 3-4, the vertical tube indirect air-water heat exchanger b9 and the vertical tube indirect air-water heat exchanger a5 have the same structure, and both include a water collector 24 and a water separator 27 which are arranged vertically and symmetrically, a plurality of vertical metal tubes 26 are connected between the water collector 24 and the water separator 27, fins 25 are inserted on the plurality of vertical metal tubes 26, a water outlet 23 and a water inlet 28 are respectively arranged on the water collector 24 and the water separator 27, the vertical tube indirect air-water heat exchanger b9 and the water outlet 23 of the vertical tube indirect air-water heat exchanger a5 are connected with a spraying device a3, and the vertical tube indirect air-water heat exchanger b9 and the water inlet 28 of the vertical tube indirect air-water heat exchanger a5 are connected with a water supply pipe b13 and a water supply pipe a12 respectively. The water supply pipe 11 is provided with a water supply pump 31, a circulating water pump b22 is arranged at the joint of the collected pipe G8 and pipe G9 and the plate heat exchanger b15, and a circulating water pump a20 is arranged at the joint of the collected pipe G4 and pipe G2 and the inlet of the user end 21. And the pipeline G3, the pipeline G2, the pipeline G4 and the pipeline G5 are respectively provided with a water valve a16, a water valve b17, a water valve c18 and a water valve 19.
The utility model relates to a year-round anti-freezing air conditioning system utilizing natural cold source and dry air energy, which has a structure shown in figure 2 and comprises a unit shell, wherein air inlets 29 are arranged below two corresponding side walls of the unit shell, a direct evaporative cooler is arranged in the middle position in the unit shell, an air outlet 30 is arranged at the top of the unit shell and corresponds to the position of the direct evaporative cooler, ethylene glycol air coolers b8, vertical pipe indirect air-water heat exchangers b9, ethylene glycol air coolers a6 and vertical pipe indirect air-water heat exchangers a5 are symmetrically arranged in the unit shell and correspond to the positions of the air inlets 29 at two sides of the direct evaporative cooler according to the air inlet direction, the year-round anti-freezing air conditioning system further comprises a plate heat exchanger a14, a plate heat exchanger b15 and a user terminal 21 which are arranged outside the unit shell, the plate heat exchanger a14 and the plate heat exchanger b15 form a circulation loop with the user terminal 21 through pipelines, the plate heat exchanger a14 is also connected with the direct evaporative cooler through a water supply pipe 11, the plate heat exchanger b15 forms a circulation loop with the ethylene glycol air cooler a6 and the ethylene glycol air cooler b8 through pipelines respectively, and the vertical pipe indirect air-water heat exchanger b9 and the vertical pipe indirect air-water heat exchanger a5 are also connected with the plate heat exchanger a14 through a water supply pipe b13 and a water supply pipe a12 respectively. The direct evaporative cooler comprises a filler 4 which is arranged in the middle of the unit shell and corresponds to the position above the air inlet 29, a spraying device a3, a water baffle 2 and an exhaust fan 1 are sequentially arranged above the filler 4 from bottom to top, the direct evaporative cooler also comprises a water tank 7 which is arranged at the bottom of the unit shell, and the water tank 7 is connected with a plate heat exchanger a14 through a water supply pipe 11. The plate heat exchanger a14 is connected to the inlet of the user end 21 by a conduit G2, and the outlet of the user end 21 is connected to the plate heat exchanger a14 by a conduit G3; plate heat exchanger b15 converges on pipe G2 through pipe G4 to connect with the inlet of user end 21, the outlet of user end 21 connects with plate heat exchanger b15 through pipe G5, the inlets of ethylene glycol air cooler a6 and ethylene glycol air cooler b8 converge through pipe G6 and pipe G7 respectively and then connect to plate heat exchanger b15, and the outlets of ethylene glycol air cooler a6 and ethylene glycol air cooler b8 converge through pipe G8 and pipe G9 respectively and then connect to plate heat exchanger b 15. As shown in fig. 3-4, the vertical tube indirect air-water heat exchanger b9 and the vertical tube indirect air-water heat exchanger a5 have the same structure, and both include a water collector 24 and a water separator 27 which are arranged vertically and symmetrically, a plurality of vertical metal tubes 26 are connected between the water collector 24 and the water separator 27, fins 25 are inserted on the plurality of vertical metal tubes 26, a water outlet 23 and a water inlet 28 are respectively arranged on the water collector 24 and the water separator 27, the vertical tube indirect air-water heat exchanger b9 and the water outlet 23 of the vertical tube indirect air-water heat exchanger a5 are connected with a spraying device a3, and the vertical tube indirect air-water heat exchanger b9 and the water inlet 28 of the vertical tube indirect air-water heat exchanger a5 are connected with a water supply pipe b13 and a water supply pipe a12 respectively. The water supply pipe 11 is provided with a water supply pump 31, a circulating water pump b22 is arranged at the joint of the collected pipe G8 and pipe G9 and the plate heat exchanger b15, and a circulating water pump a20 is arranged at the joint of the collected pipe G4 and pipe G2 and the inlet of the user end 21. And the pipeline G3, the pipeline G2, the pipeline G4 and the pipeline G5 are respectively provided with a water valve a16, a water valve b17, a water valve c18 and a water valve 19.
The working principle of the all-year-round anti-freezing air conditioning system utilizing the natural cold source and the dry air energy is as follows:
1) the working process of the unit above zero degree is as follows:
the water valves a16 and b17 are opened, the water valves c18 and d19 are closed, the circulating water pump a20 is opened, the circulating water pump b22 is closed, and the glycol air cooler does not operate.
Outdoor air is subjected to wet cooling through a vertical pipe indirect air-water heat exchanger a5, a vertical pipe indirect air-water heat exchanger b9 and the like, enters the filler 4, is subjected to heat and moisture exchange with shower water, is discharged outdoors through the exhaust fan 1, and cooled cold water enters the water tank 7; the cold water in the water tank 7 has two ways, the first way is that as shown in fig. 1, one part of the cold water is conveyed to the vertical pipe indirect air-water heat exchanger a5 and the vertical pipe indirect air-water heat exchanger b9 to exchange heat with outdoor air and then to the spraying device a3 to be sprayed, and the other part of the cold water is conveyed to the plate heat exchanger 14 through the water supply pump 11 to exchange heat with the return water from the user end 21 and then to be sprayed through the spraying device b 10; in the second case, as shown in fig. 2, all the cold water is delivered to the plate heat exchanger 14 by the water supply pump 11 to exchange heat with the return water from the user terminal 21, and then exchanges heat with the outdoor air through the vertical pipe indirect air-water heat exchanger a5 and the vertical pipe indirect air-water heat exchanger b9, and then is sprayed to the spraying device a 3. The return water from the user end 21 is sent to the user end 21 to absorb the heat of the user under the action of the circulating water pump a20 after being subjected to heat exchange and cooling with cold water in the plate heat exchanger 14, so that circulation is realized.
2) The working process of the unit above zero degree is as follows:
the water valves a16 and b17 are closed, the water valves c18 and d19 are opened, the circulating water pump a20 is opened, the circulating water pump b22 is opened, the water supply pump 11 is closed, and only the glycol air cooler system is operated.
The outdoor air below zero degree is subjected to heat exchange through a glycol air cooler a6 and a glycol air cooler b8 under the action of an exhaust fan 1, the cooled glycol solution is conveyed to a plate heat exchanger 15 under the action of a circulating water pump b22 to be subjected to heat exchange with the return water from the user terminal 21, and then the cooled glycol solution returns to the glycol air cooler a6 and a glycol air cooler b8 to be subjected to heat exchange and cooling so as to circulate; the backwater from the user terminal 21 is sent to the user terminal 21 to absorb the heat of the user under the action of the circulating water pump a20 after the plate heat exchanger 15 exchanges heat with the glycol solution for cooling, thereby circulating.
Claims (8)
1. An all-year-round anti-freezing air conditioning system utilizing a natural cold source and dry air energy is characterized by comprising a unit shell, air inlets (29) are formed below two corresponding side walls of the unit shell, a direct evaporative cooler is arranged in the middle of the unit shell, an air outlet (30) is formed in the top of the unit shell corresponding to the position of the direct evaporative cooler, glycol air coolers b (8), vertical pipe indirect air-water heat exchangers b (9), glycol air coolers a (6) and vertical pipe indirect air-water heat exchangers a (5) are symmetrically arranged in the unit shell at the positions corresponding to the air inlets (29) on two sides of the direct evaporative cooler respectively according to an air inlet direction, a plate heat exchanger a (14), a plate heat exchanger b (15) and a user terminal (21) are arranged outside the unit shell, the plate heat exchanger a (14) and the plate heat exchanger b (15) respectively form a circulation loop with a user terminal (21) through pipelines, the plate heat exchanger a (14) is further connected with the direct evaporative cooler through a pipeline, the plate heat exchanger b (15) further forms a circulation loop with the ethylene glycol air cooler a (6) and the ethylene glycol air cooler b (8) through pipelines, and the vertical pipe indirect air-water heat exchanger b (9), the vertical pipe indirect air-water heat exchanger a (5) and the direct evaporative cooler further form a circulation loop through pipelines.
2. The all-year-round anti-freezing air conditioning system utilizing a natural cold source and dry air energy as claimed in claim 1, wherein the direct evaporative cooler comprises a filler (4) at a position corresponding to the upper part of an air inlet (29) in the middle of a unit shell, a spraying device a (3), a spraying device b (10), a water baffle (2) and an exhaust fan (1) are sequentially arranged above the filler (4) from bottom to top, the direct evaporative cooler further comprises a water tank (7) arranged at the bottom of the unit shell, the water tank (7) is respectively connected with the plate heat exchanger a (14), the vertical tube indirect air-water heat exchanger a (5) and the vertical tube indirect air-water heat exchanger b (9) through a water supply pipe (11), a water supply pipe a (12) and a water supply pipe b (13), the plate heat exchanger a (14) is further connected with the spraying device b (10) through a pipeline G1, and outlets of the vertical pipe indirect air-water heat exchanger a (5) and the vertical pipe indirect air-water heat exchanger b (9) are connected with the spraying device a (3) together.
3. An all-year-round anti-freezing air conditioning system utilizing a natural cold source and dry air energy is characterized by comprising a unit shell, air inlets (29) are formed below two corresponding side walls of the unit shell, a direct evaporative cooler is arranged in the middle of the unit shell, an air outlet (30) is formed in the top of the unit shell corresponding to the position of the direct evaporative cooler, glycol air coolers b (8), vertical pipe indirect air-water heat exchangers b (9), glycol air coolers a (6) and vertical pipe indirect air-water heat exchangers a (5) are symmetrically arranged in the unit shell at the positions corresponding to the air inlets (29) on two sides of the direct evaporative cooler respectively according to an air inlet direction, a plate heat exchanger a (14), a plate heat exchanger b (15) and a user terminal (21) are arranged outside the unit shell, the plate heat exchanger a (14) and the plate heat exchanger b (15) form a circulation loop with a user terminal (21) through pipelines respectively, the plate heat exchanger a (14) is further connected with the direct evaporative cooler through a water supply pipe (11), the plate heat exchanger b (15) is further respectively connected with the ethylene glycol air cooler a (6) and the ethylene glycol air cooler b (8) through pipelines to form a circulation loop, and the vertical pipe indirect air-water heat exchanger b (9) and the vertical pipe indirect air-water heat exchanger a (5) are further respectively connected with the plate heat exchanger a (14) through a water supply pipe b (13) and a water supply pipe a (12).
4. The all-year-round anti-freezing air conditioning system utilizing a natural cold source and dry air energy as claimed in claim 3, wherein the direct evaporative cooler comprises a filler (4) in the middle of the unit housing at a position corresponding to the upper part of the air inlet (29), a spraying device a (3), a water baffle (2) and an exhaust fan (1) are sequentially arranged above the filler (4) from bottom to top, the direct evaporative cooler further comprises a water tank (7) arranged at the bottom of the unit housing, and the water tank (7) is connected with the plate heat exchanger a (14) through a water supply pipe (11).
5. The year round antifreeze air conditioning system using natural cold source and dry air energy as set forth in claim 2 or 4, wherein said plate heat exchanger a (14) is connected to the inlet of said user terminal (21) through a pipe G2, and the outlet of said user terminal (21) is connected to said plate heat exchanger a (14) through a pipe G3;
the plate heat exchanger b (15) is converged on a pipeline G2 through a pipeline G4 and connected with an inlet of the user terminal (21), an outlet of the user terminal (21) is connected with the plate heat exchanger b (15) through a pipeline G5, inlets of the glycol air cooler a (6) and the glycol air cooler b (8) are converged through a pipeline G6 and a pipeline G7 and then connected to the plate heat exchanger b (15), and outlets of the glycol air cooler a (6) and the glycol air cooler b (8) are converged through a pipeline G8 and a pipeline G9 and then connected to the plate heat exchanger b (15).
6. The year round anti-freezing air conditioning system utilizing a natural cold source and dry air energy as claimed in claim 5, wherein the vertical tube indirect air-water heat exchanger b (9) and the vertical tube indirect air-water heat exchanger a (5) have the same structure, and each vertical tube indirect air-water heat exchanger a (5) comprises a water collector (24) and a water distributor (27) which are arranged symmetrically up and down, a plurality of vertical metal tubes (26) are connected between the water collector (24) and the water distributor (27), fins (25) are inserted on the plurality of vertical metal tubes (26), a water outlet (23) and a water inlet (28) are respectively arranged on the water collector (24) and the water distributor (27), the water outlet (23) of the vertical tube indirect air-water heat exchanger b (9) and the water outlet (23) of the vertical tube indirect air-water heat exchanger a (5) are commonly connected with the spraying device a (3), and the water inlets (28) of the vertical pipe indirect air-water heat exchanger b (9) and the vertical pipe indirect air-water heat exchanger a (5) are respectively connected with the water supply pipe b (13) and the water supply pipe a (12).
7. The air conditioning system for preventing freezing all year round using natural cold source and dry air energy as claimed in claim 6, wherein a water supply pump (31) is installed on the water supply pipe (11), a circulating water pump b (22) is installed at the connection of the collected pipe G8 and pipe G9 and the plate heat exchanger b (15), and a circulating water pump a (20) is installed at the connection of the collected pipe G4 and pipe G2 and the inlet of the user terminal (21).
8. The system of claim 7, wherein the pipeline G3, the pipeline G2, the pipeline G4 and the pipeline G5 are respectively provided with a water valve a (16), a water valve b (17), a water valve c (18) and a water valve (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122265239.XU CN216592023U (en) | 2021-09-17 | 2021-09-17 | Annual anti-freezing air conditioning system utilizing natural cold source and dry air energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122265239.XU CN216592023U (en) | 2021-09-17 | 2021-09-17 | Annual anti-freezing air conditioning system utilizing natural cold source and dry air energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216592023U true CN216592023U (en) | 2022-05-24 |
Family
ID=81636095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122265239.XU Active CN216592023U (en) | 2021-09-17 | 2021-09-17 | Annual anti-freezing air conditioning system utilizing natural cold source and dry air energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216592023U (en) |
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2021
- 2021-09-17 CN CN202122265239.XU patent/CN216592023U/en active Active
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