CN109990412A - Data center's air-conditioning system of the mechanical refrigeration unified with nature type of cooling - Google Patents
Data center's air-conditioning system of the mechanical refrigeration unified with nature type of cooling Download PDFInfo
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- CN109990412A CN109990412A CN201910156250.7A CN201910156250A CN109990412A CN 109990412 A CN109990412 A CN 109990412A CN 201910156250 A CN201910156250 A CN 201910156250A CN 109990412 A CN109990412 A CN 109990412A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
- F28C1/14—Direct-contact trickle coolers, e.g. cooling towers comprising also a non-direct contact heat exchange
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
- F28F25/08—Splashing boards or grids, e.g. for converting liquid sprays into liquid films; Elements or beds for increasing the area of the contact surface
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
- F28F27/003—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus specially adapted for cooling towers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
Data center's air-conditioning system of the mechanical refrigeration unified with nature type of cooling disclosed by the invention, it include water supply and return system, direct evaporating-cooling unit and the vertical pipe type plate cast indirect evaporating-cooling unit being symmetrical set at left and right sides of direct evaporating-cooling unit, first air inlet there are two being symmetrical set at left and right sides of direct evaporating-cooling unit, two vertical pipe type plate cast indirect evaporating-cooling units are provided with First air outlet close to the side of direct evaporating-cooling unit, two the first air inlets distinguish the First air outlet of the vertical pipe type plate cast indirect evaporating-cooling unit of corresponding side；It is connected between water supply and return system, direct evaporating-cooling unit and the vertical pipe type plate cast indirect evaporating-cooling unit that is symmetrical set at left and right sides of direct evaporating-cooling unit by pipe network.Air-conditioning system of the invention can greatly reduce energy consumption according to meteorological condition, a variety of refrigeration modes of switchover operation.
Description
Technical field
The invention belongs to air conditioner technical fields, and in particular to a kind of data of the mechanical refrigeration unified with nature type of cooling
Center air-conditioner system.
Background technique
With internet+, big data, cloud computing and the fast development of artificial intelligence technology, using information technology as representative
New round science and technology and Industrial Revolution are being sprouted, and are filled with strong impetus for socio-economic development.With construction network power, number
Word China, wisdom society and internet, big data, the depth integration of artificial intelligence and real economy, the generation of data are deposited
Storage, computing technique are weeded out the old and bring forth the new, and will realize interconnecting between equipment between mass data.Data center is carrying number
According to basic physics unit, load a large amount of information technoloy equipment, energy consumption density is several times of traditional architecture even decades of times.China is early
Compared with developed countries, there are also biggish rooms for promotion for energy efficiency indexes for phase construction, the data center's energy efficiency runed.In data
The thermic load of the heart is based on sensible heat, since the heat dissipation capacity of unit area is larger, needs annual uninterrupted cooling, and cooling system
There is biggish difference with the thermal comfort of people, energy conservation with traditional architecture for the air-conditioning system mode of target.In face of data center's height
How the status of heat dissipation capacity and annual cooling demand, research improve the efficiency of equipment, as far as possible indirectly or directly with
Natural cooling source, extend natural cooling source uses the time, provides more green low-carbon for the energy-saving safe operation in data center field
Technical solution.
Summary of the invention
The object of the present invention is to provide a kind of data center's air-conditioning systems of mechanical refrigeration unified with nature type of cooling, can
It is greatly reduced while ensureing air-conditioning system safe and reliable operation according to a variety of refrigeration modes of meteorological condition switchover operation
Energy consumption.
The technical scheme adopted by the invention is that data center's air-conditioning system of the mechanical refrigeration unified with nature type of cooling,
Include water supply and return system, direct evaporating-cooling unit and is symmetrical set at left and right sides of direct evaporating-cooling unit vertical
Tubular type plate cast indirect evaporating-cooling unit, is symmetrical set that there are two the first air inlets at left and right sides of direct evaporating-cooling unit
Mouthful, two vertical pipe type plate cast indirect evaporating-cooling units are provided with First air close to the side of direct evaporating-cooling unit and go out
Mouthful, the First air outlet that two the first air inlets distinguish the vertical pipe type plate cast indirect evaporating-cooling unit of corresponding side connects
It is logical；
It water supply and return system, direct evaporating-cooling unit and is symmetrical set at left and right sides of direct evaporating-cooling unit
It is connected between vertical pipe type plate cast indirect evaporating-cooling unit by pipe network.
It is of the invention to be further characterized in that,
Water supply and return system includes sequentially connected mechanical refrigeration water cooler, indoor end, plate heat exchanger and water source；
Mechanical refrigeration water cooler passes through water pipe G9 respectively and connect with water pipe G10 with indoor end, and indoor end leads to respectively
It crosses water pipe G11 to connect with water pipe G12 with plate heat exchanger, plate heat exchanger passes through water pipe G7 and water pipe G8 respectively and water source connects
It connects；
Plate heat exchanger is connect by water pipe G1 with direct evaporating-cooling unit, plate heat exchanger and two vertical pipe type plate pipes
Water pipe G3 and water pipe G4 is provided between type indirect evaporating-cooling unit, one end of water pipe G3 is connect with plate heat exchanger, water pipe
The other end of G3 is divided to two-way to connect respectively with two vertical pipe type plate cast indirect evaporating-cooling units, one end of water pipe G4 with it is board-like
Heat exchanger connection, the other end of water pipe G4 are divided to two-way to connect respectively with two vertical pipe type plate cast indirect evaporating-cooling units；
Mechanical refrigeration water cooler is connect by water pipe G2 with direct evaporating-cooling unit, and mechanical refrigeration water cooler passes through
Water pipe G6 is connect with water pipe G1, and plate heat exchanger is connect by water pipe G5 with water pipe G2.
It is provided with water pump c on water pipe G3, water pump d is provided on water pipe G7, water pump e, water pipe G12 are provided on water pipe G10
On be provided with water pump f.
Direct evaporating-cooling unit includes shell a, be from top to bottom disposed in shell a water fender, water distributor a,
Filler combination unit and water tank a, water distributor a are connect by water pipe G1 with plate heat exchanger, and water tank a passes through water pipe G2 and mechanical system
Cold water cooler connection, the corresponding top shell a in water fender top are provided with exhaust outlet, and two the first air inlets are in filler combination
It is symmetrical set at left and right sides of corresponding shell a below unit.
Water pump a is provided on water pipe G2.
Blower a is provided in exhaust outlet.
Filler combination unit includes " V " type filler that the cube filler on upper layer is arranged in and lower layer is arranged in, and two
One air inlet corresponding left and right sides shell a below " V " type filler is symmetrical set.
Vertical pipe type plate cast indirect evaporating-cooling unit includes shell b, and shell b is close to direct evaporating-cooling unit side
Side wall on be provided with First air outlet, First air export corresponding side the first air inlet connection, shell b far from directly
It evaporates and is provided with the second air inlet on the side wall of cooling unit side, water distributor b is from top to bottom disposed in shell b, is stood
Tubular type plate cast indirect evaporation cooler and water tank b, water distributor b are connected by water supplying pipe, are additionally provided with water pump b on water supplying pipe,
Secondary Air outlet is provided with above water distributor b at the top of corresponding shell b, Secondary Air is provided with blower b in outlet；
First air outlet and the second air inlet are separately positioned on the two sides of vertical pipe type plate cast indirect evaporation cooler, standpipe
Ethylene glycol coil pipe is additionally provided between formula plate cast indirect evaporation cooler and First air outlet；
One end of water pipe G3 is connect with plate heat exchanger, and the other end of water pipe G3 divides two-way directly evaporating with setting respectively
The refrigerant inlet connection of ethylene glycol coil pipe at left and right sides of cooling unit；
One end of water pipe G4 is connect with plate heat exchanger, and the other end of water pipe G4 divides two-way directly evaporating with setting respectively
The refrigerant exit connection of ethylene glycol coil pipe at left and right sides of cooling unit.
It is provided with valve i on water pipe G1, valve b is provided on water pipe G2, is provided with valve g on water pipe G3, on water pipe G4
It is provided with valve f, valve h is provided on water pipe G5, valve a is provided on water pipe G6, valve e, water pipe are provided on water pipe G7
It is provided with valve c on G9, valve d is provided on water pipe G10.
The beneficial effects of the present invention are:
(1) air-conditioning system of the invention, adaptation to local conditions, making full use of a variety of natural cooling source types of cooling includes: that water source is cold
But, dry air can evaporate cooling, ethylene glycol natural cooling, and according to weather conditions, running mode switching extends natural cooling source
Using the time, the power consumption of air-conditioning system is greatly reduced；
(2) it is mechanical to open the cooling combination of evaporation when natural cooling source is unsatisfactory for design requirement for heart air-conditioning system of the invention
Refrigeration mode, it (includes direct evaporating-cooling unit and cold directly evaporating that vertical pipe type plate cast, which evaporates cooling water cooler,
But the vertical pipe type plate cast indirect evaporating-cooling unit being symmetrical set at left and right sides of unit) cold water produced is passed through mechanical refrigeration
Water cooler condenser, the heat dissipation of absorptive condenser reduce condensation temperature, while guaranteeing air-conditioning system normal cooling supply, are promoted
The COP value of mechanical refrigeration water cooler, and reduce the power consumption of air-conditioning system；
(3) air-conditioning system of the invention, the filler in vertical pipe type plate cast indirect evaporating-cooling water cooler are divided into two layers
Arrangement: upper layer is cube filler, and lower layer is " V " type filler, is arranged in filler bottom compared to traditional filler arrangement vertical
Above tubular type plate cast indirect evaporating-cooling unit primary air air outlet, setting can efficiently use lower space in this way, protect
Unit height is effectively reduced under the premise of card packed height, while lower section " V " type filler is compared with the air flow condition that air enters
It is consistent, is more conducive to the progress of heat exchange；
(4) air-conditioning system of the invention, vertical pipe type plate cast indirect evaporating-cooling water cooler use vertical pipe type plate cast
Direct evaporating-cooling occurs for indirect evaporation cooler, wet channel of the auxiliary air in pipe, dry logical outside primary air flows inlet pipe
Road by etc. it is clammy but, wider air flow channel outside this vertical pipe type plate cast indirect evaporation cooler pipe is not easy to plug and is easy to
It cleans；Since the automatic flushing of recirculated water acts in pipe, the blockage problem in pipe can be effectively relieved；Heat exchanger tube is using vertical
Formula can reduce heat exchanger tube occupied area in the horizontal direction；Water distribution uniformity effect in pipe is enhanced using plate pipe cast, is increased simultaneously
The contact area for having added primary air and tube wall, enhances heat transfer effect, reduces flow resistance, reduces fan energy consumption；
(5) air-conditioning system of the invention is disposed with ethylene glycol disk in vertical pipe type plate cast indirect evaporating-cooling water cooler
Pipe, winter prevent unit bursting by freezing, close water system, empty water tank water, make full use of the second two in outdoor cold front heavy rain coil pipe
Alcoholic solution, cooled ethylene glycol solution are passed through the secondary return water that plate heat exchanger absorbs indoor end as the refrigerant of primary side
Heat.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of data center's air-conditioning system of the mechanical refrigeration unified with nature type of cooling of the present invention；
Fig. 2 is the water circulation system flow diagram of invention air-conditioning system operation water source refrigerating mode；
Fig. 3 is the water circulation system flow diagram of invention air-conditioning system operation evaporation refrigerating mode；
Fig. 4 is the cooling water circulation system flow diagram for combining mechanical refrigeration mode of invention air-conditioning system operation evaporation；
Fig. 5 is the water circulation system flow diagram of invention air-conditioning system operation ethylene glycol natural cooling mode；
Fig. 6 is the vertical pipe type plate cast indirect evaporation cooler core schematic diagram of invention air-conditioning system.
In figure, 1. direct evaporating-cooling units, 2. filler combination units, 3. water tank a, 4. water pump a, 5. ethylene glycol coil pipes,
6. water distributor a, 7. vertical pipe type plate cast indirect evaporating-cooling units, 8. vertical pipe type plate cast indirect evaporation coolers, 9. water blocking
Plate, 10. exhaust outlets, 11. valve a, 12. valve b, 13. mechanical refrigeration water coolers, 14. valve c, 15. valve d, 16. water pumps
E, 17. indoor ends, 18. water pump f, 19. plate heat exchangers, 20. water pump d, 21. valve e, 22. water pump c, 23. valve f, 24.
Valve g, 25. valve h, 26. valve i, 27. blower a, 28. second air inlets, 29. water distributor b, 30. water tank b, 31. water supplying pipes,
32. Secondary Air exports, 33. water pump b, 34. first air inlets, 35. blower b.
Specific embodiment
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
Data center's air-conditioning system of the mechanical refrigeration unified with nature type of cooling of the present invention, as shown in Figure 1, including to supply back
Water system, direct evaporating-cooling unit 1 and the vertical pipe type plate pipe being symmetrical set at left and right sides of direct evaporating-cooling unit 1
Type indirect evaporating-cooling unit 7, the left and right sides of direct evaporating-cooling unit 1 are symmetrical set there are two the first air inlet 34,
Two vertical pipe type plate cast indirect evaporating-cooling units 7 are provided with First air close to the side of direct evaporating-cooling unit 1 and go out
Mouthful, the First air that two the first air inlets 34 distinguish the vertical pipe type plate cast indirect evaporating-cooling unit 7 of corresponding side goes out
Mouth connection；
It water supply and return system, direct evaporating-cooling unit 1 and is symmetrical set at left and right sides of direct evaporating-cooling unit 1
Vertical pipe type plate cast indirect evaporating-cooling unit 7 between pass through pipe network connect.
Water supply and return system includes sequentially connected mechanical refrigeration water cooler 13, indoor end 17, plate heat exchanger 19
And water source；
Mechanical refrigeration water cooler 13 is connect by water pipe G9 with water pipe G10 with indoor end 17 respectively, indoor end 17
It is connect respectively by water pipe G11 with water pipe G12 with plate heat exchanger 19, plate heat exchanger 19 passes through water pipe G7 and water pipe G8 respectively
It is connect with water source；
Plate heat exchanger 19 is connect by water pipe G1 with direct evaporating-cooling unit 1, plate heat exchanger 19 and two standpipes
Water pipe G3 and water pipe G4, one end of water pipe G3 and plate heat exchanger 19 are provided between formula plate cast indirect evaporating-cooling unit 7
Connection, the other end of water pipe G3 are divided to two-way to connect respectively with two vertical pipe type plate cast indirect evaporating-cooling units 7, water pipe G4's
One end is connect with plate heat exchanger 19, the other end of water pipe G4 be divided to two-way respectively with two vertical pipe type plate cast indirect evaporating-coolings
Unit 7 connects；
Mechanical refrigeration water cooler 13 is connect by water pipe G2 with direct evaporating-cooling unit 1, mechanical refrigeration water cooler
Condenser in 13 is connect by water pipe G6 with water pipe G1, and plate heat exchanger 19 is connect by water pipe G5 with water pipe G2.
Mechanical refrigeration water cooler 13 includes the components such as evaporator, condenser and compressor.
Direct evaporating-cooling unit 1 includes shell a, is from top to bottom disposed with water fender 9, water distributor in shell a
A6, filler combination unit 2 and water tank a3, water distributor a6 are connect by water pipe G1 with plate heat exchanger 19, and water tank a3 passes through water pipe
G2 is connect with the condenser in mechanical refrigeration water cooler 13, is provided with exhaust outlet at the top of the corresponding shell a in 9 top of water fender
10, two the first air inlets 34 are symmetrical set below the filler combination unit 2 at left and right sides of corresponding shell a.
Water pump a4 is provided on water pipe G2.
Blower a27 is provided in exhaust outlet 10.
Filler combination unit 2 includes " V " type filler that the cube filler on upper layer is arranged in and lower layer is arranged in, and two
One air inlet 34 corresponding left and right sides shell a below " V " type filler is symmetrical set.
Vertical pipe type plate cast indirect evaporating-cooling unit 7 includes shell b, and shell b is close to direct evaporating-cooling unit 1 one
First air outlet is provided on the side wall of side, First air exports the first air inlet 34 connection of corresponding side, and shell b is separate
It is provided with the second air inlet 28 on the side wall of 1 side of direct evaporating-cooling unit, is from top to bottom disposed with water distribution in shell b
Device b29, vertical pipe type plate cast indirect evaporation cooler 8 and water tank b30, water distributor b29 are connected by water supplying pipe 31, water supplying pipe 31
On be additionally provided with water pump b33, Secondary Air outlet 32, Secondary Air outlet 32 are provided with above water distributor b29 at the top of corresponding shell b
Inside it is provided with blower b35；
As shown in fig. 6, vertical pipe type plate cast indirect evaporation cooler 8 includes multiple heat exchange parallel to each other in vertical setting
Pipe.
First air outlet and the second air inlet 28 are separately positioned on the two sides of vertical pipe type plate cast indirect evaporation cooler 8,
Ethylene glycol coil pipe 5 is additionally provided between vertical pipe type plate cast indirect evaporation cooler 8 and First air outlet；
One end of water pipe G3 is connect with plate heat exchanger 19, and the other end of water pipe G3 divides two-way directly steaming with setting respectively
Feel cold 1 left and right sides of but unit ethylene glycol coil pipe 5 refrigerant inlet connection；
One end of water pipe G4 is connect with plate heat exchanger 19, and the other end of water pipe G4 divides two-way directly steaming with setting respectively
Feel cold 1 left and right sides of but unit ethylene glycol coil pipe 5 refrigerant exit connection.
It is provided with water pump c22 on water pipe G3, water pump d20 is provided on water pipe G7, water pump e16, water are provided on water pipe G10
Water pump f18 is provided on pipe G12.
It is provided with valve i26 on water pipe G1, valve b12 is provided on water pipe G2, valve g24, water are provided on water pipe G3
It is provided with valve f23 on pipe G4, valve h25 is provided on water pipe G5, valve a11 is provided on water pipe G6, is arranged on water pipe G7
There is valve e21, valve c14 is provided on water pipe G9, valve d15 is provided on water pipe G10.
The operational mode of air-conditioning system of the invention is as follows:
(1) water source natural cooling mode is run:
As shown in Fig. 2, water source water temperature is less than or equal to 16 DEG C, water source natural cooling mode is run, only opens water pump f 18, water
Pump d 20, Open valve e 21, vertical pipe type plate cast indirect evaporating-cooling water cooler (include direct evaporating-cooling unit with
And the vertical pipe type plate cast indirect evaporating-cooling unit being symmetrical set at left and right sides of direct evaporating-cooling unit), mechanical system
Cold water cooler 13, does not work at ethylene glycol coil pipe 5, and water source cold water is passed through plate heat exchanger 19 as the water supply of primary side and absorbs
The heat of the secondary return water of indoor end 17 closes water supply and return system others water pump and valve, and system is by water source separate refrigeration.
(2) operation evaporation refrigerating mode:
As shown in figure 3, when water source water temperature is higher than 16 DEG C, operation evaporation refrigerating mode is opened water pump a 4, water pump f 18, is opened
Valve h 25, valve i 26 are opened, water supply and return system others water pump and valve, water source cooling system, mechanical refrigeration cold water are closed
Unit 13, ethylene glycol coil pipe 5 do not work, and the high temperature that vertical pipe type plate cast indirect evaporating-cooling water cooler is produced lower than 16 DEG C is cold
Water is passed through the heat that plate heat exchanger 19 absorbs the secondary return water of indoor end 17 as the water supply of primary side, and system is by vertical pipe type
Plate cast indirect evaporating-cooling water cooler separate refrigeration.
(3) the cooling mode for combining mechanical refrigeration of operation evaporation:
As shown in figure 4, when water source water temperature is higher than 16 DEG C, and vertical pipe type plate cast indirect evaporating-cooling water cooler goes out water temperature
When degree is higher than 16 DEG C, the cooling mode for combining mechanical refrigeration of operation evaporation opens water pump water pump a 4, water pump e 16, Open valve
A 11, valve b 12, valve c 14 and valve d 15 close water supply and return system others water pump and valve, open vertical pipe type plate
The return water of cast indirect evaporating-cooling water cooler and mechanical refrigeration water cooler 13, indoor end 17 passes through mechanical refrigeration cold water
Unit 13 is cooling, and system is by mechanical refrigeration water cooler 13 and vertical pipe type plate cast indirect evaporating-cooling water cooler joint system
It is cold.
(4) ethylene glycol natural cooling mode is run:
As shown in figure 5, winter cold snap, runs ethylene glycol natural cooling mode, water pump 18,22, Open valve are opened
23,24, water supply and return system others water pump and valve are closed, the ethylene glycol solution being cooled in ethylene glycol coil pipe 5,6 is as one
The refrigerant of secondary side is passed through the heat that plate-type heat-exchange 19 absorbs the secondary return water of indoor end 17, and system is individually by ethylene glycol coil pipe system
It is cold.
The advantages of air-conditioning system of the present invention is to make full use of a variety of natural cooling technologies, comprising: dry air can evaporate cooling
Technology, water source natural cooling technology, winter ethylene glycol natural cooling technology, according to meteorological condition, switchover operation natural cooling mould
Formula extends the time of natural cooling mode；When natural cooling mode is not able to satisfy design requirement, opens and evaporate cooling bonding machine
The energy conservation model of tool refrigeration.
Claims (9)
1. data center's air-conditioning system of the mechanical refrigeration unified with nature type of cooling, which is characterized in that include water supply and return system,
Direct evaporating-cooling unit (1) and the vertical pipe type plate cast being symmetrical set at left and right sides of direct evaporating-cooling unit (1)
Indirect evaporating-cooling unit (7), is symmetrical set that there are two the first air inlets at left and right sides of the direct evaporating-cooling unit (1)
Mouth (34), two vertical pipe type plate cast indirect evaporating-cooling units (7) are equal close to the side of direct evaporating-cooling unit (1)
It is provided with First air outlet, the vertical pipe type plate cast indirect evaporation of two corresponding sides of the first air inlets (34) difference
The First air outlet of cooling unit (7)；
The water supply and return system, direct evaporating-cooling unit (1) and at left and right sides of the direct evaporating-cooling unit (1) in symmetrical
It is connected between the vertical pipe type plate cast indirect evaporating-cooling unit (7) of setting by pipe network.
2. data center's air-conditioning system of the mechanical refrigeration unified with nature type of cooling according to claim 1, feature exist
In the water supply and return system includes sequentially connected mechanical refrigeration water cooler (13), indoor end (17), plate heat exchanger
(19) and water source；
The mechanical refrigeration water cooler (13) is connect by water pipe G9 with water pipe G10 with indoor end (17) respectively, the room
Interior end (17) is connect by water pipe G11 with water pipe G12 with plate heat exchanger (19) respectively, and the plate heat exchanger (19) is respectively
It is connect by water pipe G7 with water pipe G8 with water source；
The plate heat exchanger (19) is connect by water pipe G1 with direct evaporating-cooling unit (1), the plate heat exchanger (19)
Water pipe G3 and water pipe G4, the water pipe G3 are provided between two vertical pipe type plate cast indirect evaporating-cooling units (7)
One end connect with plate heat exchanger (19), the other end of the water pipe G3 be divided to two-way respectively with two vertical pipe type plate casts
Indirect evaporating-cooling unit (7) connection, one end of the water pipe G4 are connect with plate heat exchanger (19), and the water pipe G4's is another
End is divided to two-way to connect respectively with two vertical pipe type plate cast indirect evaporating-cooling units (7)；
The mechanical refrigeration water cooler (13) is connect by water pipe G2 with direct evaporating-cooling unit (1), the mechanical refrigeration
Water cooler (13) is connect by water pipe G6 with water pipe G1, and the plate heat exchanger (19) is connect by water pipe G5 with water pipe G2.
3. data center's air-conditioning system of the mechanical refrigeration unified with nature type of cooling according to claim 2, feature exist
In being provided with water pump c (22), be provided on the water pipe G7 water pump d (20) on the water pipe G3, is arranged on the water pipe G10
Have water pump e (16), water pump f (18) are provided on the water pipe G12.
4. data center's air-conditioning system of the mechanical refrigeration unified with nature type of cooling according to claim 2, feature exist
In, the direct evaporating-cooling unit (1) includes shell a, be from top to bottom disposed in the shell a water fender (9),
Water distributor a (6), filler combination unit (2) and water tank a (3), the water distributor a (6) pass through water pipe G1 and plate heat exchanger (19)
Connection, the water tank a (3) are connect by water pipe G2 with mechanical refrigeration water cooler (13), corresponding above the water fender (9)
It is provided with exhaust outlet (10) at the top of shell a, two first air inlets (34) are corresponding below the filler combination unit (2)
Shell a at left and right sides of be symmetrical set.
5. data center's air-conditioning system of the mechanical refrigeration unified with nature type of cooling according to claim 4, feature exist
In being provided with water pump a (4) on the water pipe G2.
6. data center's air-conditioning system of the mechanical refrigeration unified with nature type of cooling according to claim 4, feature exist
In the exhaust outlet (10) is interior to be provided with blower a (27).
7. data center's air-conditioning system of the mechanical refrigeration unified with nature type of cooling according to claim 4, feature exist
In, the filler combination unit (2) include " V " type filler that the cube filler on upper layer is set and lower layer is set, two
First air inlet (34) corresponding left and right sides shell a below " V " the type filler is symmetrical set.
8. data center's air-conditioning system of the mechanical refrigeration unified with nature type of cooling according to claim 2, feature exist
In the vertical pipe type plate cast indirect evaporating-cooling unit (7) includes shell b, and the shell b is close to direct evaporating-cooling machine
First air outlet is provided on the side wall of group (1) side, the First air exports the first air inlet (34) of corresponding side
Connection, the shell b are provided with the second air inlet (28), the shell on the side wall far from direct evaporating-cooling unit (1) side
Water distributor b (29), vertical pipe type plate cast indirect evaporation cooler (8) and water tank b (30) are from top to bottom disposed in body b,
The water distributor b (29) is connected by water supplying pipe (31), is additionally provided with water pump b (33), the water distribution on the water supplying pipe (31)
Secondary Air outlet (32) is provided with above device b (29) at the top of corresponding shell b, is provided with blower in the Secondary Air outlet (32)
b(35)；
The First air outlet and the second air inlet (28) are separately positioned on the two of vertical pipe type plate cast indirect evaporation cooler (8)
Side is additionally provided with ethylene glycol coil pipe between the vertical pipe type plate cast indirect evaporation cooler (8) and First air outlet
(5)；
One end of the water pipe G3 is connect with plate heat exchanger (19), and the other end of the water pipe G3 divides two-way to exist respectively with setting
The refrigerant inlet of ethylene glycol coil pipe (5) at left and right sides of direct evaporating-cooling unit (1) connects；
One end of the water pipe G4 is connect with plate heat exchanger (19), and the other end of the water pipe G4 divides two-way to exist respectively with setting
The refrigerant exit of ethylene glycol coil pipe (5) at left and right sides of direct evaporating-cooling unit (1) connects.
9. data center's air-conditioning system of the mechanical refrigeration unified with nature type of cooling according to claim 8, feature exist
In being provided with valve i (26), be provided on the water pipe G2 valve b (12) on the water pipe G1, is provided on the water pipe G3
It is provided with valve f (23), is provided on the water pipe G5 valve h (25) on valve g (24), the water pipe G4, the water pipe G6
On be provided with valve a (11), be provided on the water pipe G7 valve e (21), valve c (14), institute be provided on the water pipe G9
It states and is provided with valve d (15) on water pipe G10.
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| CN201910156250.7A CN109990412B (en) | 2019-03-01 | 2019-03-01 | Data center air conditioning system combining mechanical refrigeration with natural cooling mode |
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| CN201910156250.7A CN109990412B (en) | 2019-03-01 | 2019-03-01 | Data center air conditioning system combining mechanical refrigeration with natural cooling mode |
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| CN111315193A (en) * | 2020-03-12 | 2020-06-19 | 西安工程大学 | Air conditioning system for data center combining evaporative cooling and surface air cooler technology |
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| CN203116208U (en) * | 2013-03-19 | 2013-08-07 | 西安工程大学 | External cooling type evaporative cooling and mechanical refrigeration combined air-conditioning system for data machine room |
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| CN109990412B (en) | 2020-12-08 |
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Effective date of registration: 20230721 Address after: 350601 No.5, Qihe South Road, Songshan District, Fuzhou Taishang Investment Zone, Luoyuan County, Fuzhou City, Fujian Province Patentee after: Fujian Aolan Air Conditioning Technology Co.,Ltd. Address before: 710048 No. 19 Jinhua South Road, Shaanxi, Xi'an Patentee before: XI'AN POLYTECHNIC University |