CN110762600B - Heat recovery and heat supply system of distributed data center - Google Patents
Heat recovery and heat supply system of distributed data center Download PDFInfo
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- CN110762600B CN110762600B CN201910921978.4A CN201910921978A CN110762600B CN 110762600 B CN110762600 B CN 110762600B CN 201910921978 A CN201910921978 A CN 201910921978A CN 110762600 B CN110762600 B CN 110762600B
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- 238000011084 recovery Methods 0.000 title claims abstract description 55
- 230000017525 heat dissipation Effects 0.000 claims abstract description 75
- 238000010438 heat treatment Methods 0.000 claims abstract description 21
- 239000002918 waste heat Substances 0.000 claims abstract description 12
- 238000004364 calculation method Methods 0.000 claims abstract description 7
- 238000005338 heat storage Methods 0.000 claims description 98
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 70
- 238000001816 cooling Methods 0.000 claims description 50
- 239000007788 liquid Substances 0.000 claims description 28
- 230000005855 radiation Effects 0.000 claims description 9
- 238000010276 construction Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000009423 ventilation Methods 0.000 abstract description 4
- 238000004378 air conditioning Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 19
- 230000005484 gravity Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 7
- 230000005611 electricity Effects 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 5
- 238000005265 energy consumption Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20718—Forced ventilation of a gaseous coolant
- H05K7/20736—Forced ventilation of a gaseous coolant within cabinets for removing heat from server blades
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/208—Liquid cooling with phase change
- H05K7/20818—Liquid cooling with phase change within cabinets for removing heat from server blades
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Abstract
The invention discloses a heat recovery and heat supply system of a distributed data center, and relates to the field of heating, ventilation and air conditioning and information network intersection. The invention comprises the following steps: the system comprises a cabinet, a server and a heat recovery and supply module. The server is positioned in the cabinet and is placed in a user home to provide data calculation and storage capacity for local and remote users; the heat recovery heat supply module recovers the waste heat of the server to supply heat for local users. The servers which are originally and intensively placed are dispersedly placed in the homes and local communities of the users, the heat dissipation capacity of the servers is utilized to supply heat to the homes of the users, and the waste heat utilization rate of the data center is improved; when need not the heat supply, in giving off the ambient environment with unnecessary heat, the heat dissipation is comparatively dispersed, and efficiency is higher, has effectively weakened local heat and has piled up the steady operation of effect guarantee server. The system not only solves the defects of large occupied area, high construction and operation and maintenance cost and difficult heat dissipation of the centralized data center, but also can utilize the equipment server to dissipate heat to supply heat for families.
Description
Technical Field
The invention relates to the field of heating, ventilating, air conditioning and information network intersection, in particular to a heat recovery and heat supply system of a distributed data center.
Background
Data Centers (IDCs) as data storage/switching hubs are growing rapidly as the amount of data processed grows exponentially. According to statistics, the number of various data centers in China currently exceeds 50 thousands, the number of cabinets exceeds 600 thousands, and the number and the area of the data centers have leaped the second world. The development of the data center is very rapid, and the market potential is huge. The traditional centralized data center has the following problems: 1) in a traditional data center, all electronic devices are generally placed in a centralized manner, so that the heat dissipation capacity of the devices is too large and centralized (the heat dissipation capacity per unit area reaches 1000W/m2), the heat dissipation is difficult, and the cooling energy consumption is high. In addition, a large amount of clean and high-grade heat (the temperature is more than 30 ℃) is directly discharged into the air, so that not only is the heat not fully utilized, but also the high-grade energy is wasted, and a local heat island effect is easy to form, and the local microclimate is influenced; 2) in a traditional mode, a data center is responsible for data processing of the whole network, the transmission distance between the data center and users is long, and partial users have the problems of low response speed, instability and the like due to the fact that the number of nodes is large and the users are complex; 3) the traditional mode is usually single-point guarantee, and the whole network paralysis can be caused by a problem at a certain point, so that the reliability is insufficient; 4) because the data center has many devices and multiple backups are usually performed to ensure the safety of data, the required construction area is large and the construction and operation costs are high.
On the other hand, with the rapid development of the building scale in China and the improvement of the living standard of people, the building energy consumption is continuously high, which accounts for more than 30% of the total social energy consumption and brings about a serious environmental pollution problem. The development of a clean, efficient and renewable building heating mode has become a social problem to be solved urgently.
Disclosure of Invention
The invention provides a heat recovery heating system of a distributed data center, which can use the heat of a server for household heating, disperse the heat of the server into the surrounding environment when the heat supply is not needed, solve the defects of large occupied area, high construction and operation and maintenance cost and difficult heat dissipation of a centralized data center, and fully utilize the heat dissipation of an equipment server to supply heat for families.
In order to achieve the purpose, the invention adopts the following technical scheme:
distributed data center heat recovery heating system includes: the heat recovery and supply system comprises a cabinet, a server and a heat recovery and supply module.
The servers are discretely installed in the cabinet, and the cabinet is connected with the heat recovery and supply module. The server is arranged in the home of the user and is connected with the home of the user through a network, so that data calculation and storage capacities are provided for local and remote users; the heat recovery heat supply module recovers the waste heat of the server to supply heat for local users.
The heat recovery heat supply module comprises a heat exchanger, an indoor air outlet pipe air valve, an outdoor air outlet pipe and an outdoor air outlet pipe air valve. One side of the heat exchanger is embedded into the cabinet, the other side of the heat exchanger is respectively connected with an indoor air outlet pipe and an outdoor air outlet pipe through a structure similar to a three-way pipeline, and the indoor air outlet pipe is installed indoors and is connected with an indoor air outlet pipe air valve; the outdoor air outlet pipe is arranged outdoors and is connected with an outdoor air outlet pipe air valve.
Furthermore, the refrigerant inlet and the refrigerant outlet of the heat exchanger are respectively connected with a water-cooling coil condenser through pipelines, and the water-cooling coil condenser is arranged inside the heat storage water tank. The front end of the water inlet of the water-cooled coil condenser is provided with a compressor, and the rear part of the water outlet of the water-cooled coil condenser is provided with a throttling device.
Further, a heat dissipation fan and a ventilation opening are arranged in the machine cabinet.
Distributed data center heat recovery heating system includes: the heat recovery and supply system comprises a cabinet, a server and a heat recovery and supply module. The heat recovery and supply module comprises an evaporator, a compressor, a heat dissipation branch valve, an air-cooled condenser, a heat storage branch valve, a water-cooled coil condenser, a heat storage water tank and a throttling device. The heat radiation branch valve is connected with the air-cooled condenser to form a heat radiation branch; the heat storage branch valve, the water-cooling coil condenser and the heat storage water tank form a heat storage branch, the heat storage branch valve is connected with the water-cooling coil condenser, and the cold coil condenser is arranged inside the heat storage water tank. The evaporator is connected with the heat dissipation branch and the heat storage branch in parallel respectively, the evaporator is connected with the input ends of the heat dissipation branch and the heat storage branch through a compressor, and the evaporator is connected with the output ends of the heat dissipation branch and the heat storage branch through a throttling device.
The servers are discretely installed in the cabinet, the evaporators are also installed in the cabinet, and the rest parts of the heat recovery and supply module are arranged outside the cabinet.
Further, the compressor is connected with the first bypass valve in parallel, and the throttling device is connected with the second bypass valve in parallel.
Further, a circulating fan is arranged in the cabinet.
Distributed data center heat recovery heating system includes: the heat recovery and supply system comprises a cabinet, a server and a heat recovery and supply module. The heat recovery and supply module comprises a liquid cooling plate, a compressor, a heat dissipation branch valve, an air-cooled condenser, a heat storage branch valve, a water-cooled coil condenser, a heat storage water tank and a throttling device. The heat radiation branch valve is connected with the air-cooled condenser to form a heat radiation branch; the heat storage branch valve, the water-cooling coil condenser and the heat storage water tank form a heat storage branch, the heat storage branch valve is connected with the water-cooling coil condenser, and the cold coil condenser is arranged inside the heat storage water tank. The liquid cooling plate is respectively connected with the heat dissipation branch and the heat storage branch in parallel, the liquid cooling plate is connected with the heat dissipation branch and the input end of the heat storage branch through a compressor, and the liquid cooling plate is connected with the heat dissipation branch and the output end of the heat storage branch through a throttling device.
The server is discretely installed in the cabinet, the liquid cooling plate is also installed in the cabinet, the server and the liquid cooling plate are installed in a laminating mode, and the rest parts of the heat recovery and supply module are arranged outside the cabinet.
Further, the compressor is connected with the first bypass valve in parallel, and the throttling device is connected with the second bypass valve in parallel.
Further, the liquid cooling plate includes a plurality of blocks, and is installed in parallel.
The invention has the beneficial effects that:
based on the concept of 'edge calculation', the servers which are originally and intensively placed are dispersedly placed in the homes and local communities of the users, and the heat dissipation capacity of the servers is utilized to supply heat to the homes of the users in the heat supply season, so that the method is efficient, clean, safe and cheap, primary energy is saved, and energy conservation and emission reduction benefits are obvious; utilize the heat pipe circulation in the non-heat supply season with heat dissipation to the surrounding environment in, the heat dissipation is comparatively dispersed, and the radiating efficiency is higher, has effectively weakened local heat and has piled up the effect, improves electronic components's work efficiency, the steady operation of guarantee server.
Compared with the traditional data center, the invention has less equipment amount, does not need large-area land acquisition construction, and reduces the investment cost. Meanwhile, the standardized cabinet is used, so that the equipment is easy to maintain and replace, and the running cost can be well controlled. In addition, because the equipment is arranged in the household of residents, low-price residential electricity (the electricity price is about 0.5 yuan/kWh which is far lower than that of industrial electricity by 1.2 yuan/kWh) can be used, and the operation and maintenance cost of enterprises is reduced. Meanwhile, the distributed server can realize local data operation and storage, has high response speed, realizes mutual backup and improves the information reliability.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a distributed data center heat recovery heating system of the present invention;
FIG. 2 is a schematic structural diagram according to the first embodiment;
FIG. 3 is a schematic structural view of the second embodiment;
fig. 4 is a schematic view of an operation mode of the second embodiment, wherein fig. 4a is a schematic view of a heat supply mode to a hot water storage tank, fig. 4b is a schematic view of a heat supply mode to indoor air, and fig. 4c is a schematic view of a heat radiation mode to the outdoor;
FIG. 5 is a schematic structural view of the third embodiment;
FIG. 6 is a schematic diagram of the operation mode of the third embodiment, wherein FIG. 6a is a schematic diagram of a heat pump cycle heating mode, and FIG. 6b is a schematic diagram of a heat pump cycle heat dissipation mode;
FIG. 7 is a schematic structural view of the fourth embodiment;
FIG. 8 is a schematic diagram of an operation mode of a fourth embodiment, in which FIG. 8a is a schematic diagram of a gravity heat pipe circulation heating mode, FIG. 8b is a schematic diagram of a heat pump circulation heating mode, FIG. 8c is a schematic diagram of a gravity heat pipe circulation heat dissipation mode, and FIG. 8d is a schematic diagram of a heat pump circulation heat dissipation mode;
FIG. 9 is a schematic structural view of the fifth embodiment;
FIG. 10 is a schematic diagram of the operation modes of the fifth embodiment, wherein FIG. 10a is a schematic diagram of a heat pump cycle heating mode, and FIG. 10b is a schematic diagram of a heat pump cycle heat dissipation mode;
FIG. 11 is a schematic structural view of the sixth embodiment;
fig. 12 is a schematic diagram of an operation mode of the sixth embodiment, in which fig. 12a is a schematic diagram of a gravity heat pipe circulation heating mode, fig. 12b is a schematic diagram of a heat pump circulation heating mode, fig. 12c is a schematic diagram of a gravity heat pipe circulation heat dissipation mode, and fig. 12d is a schematic diagram of a heat pump circulation heat dissipation mode.
1-cabinet, 11-cooling fan, 12-ventilation opening, 13-circulating fan, 2-server, 3-heat recovery heat supply module, 301-heat exchanger, 302-evaporator, 303-liquid cooling plate, 304-first bypass valve, 305-throttling device, 306-second bypass valve, 307-indoor air outlet pipe, 308-cooling branch valve, 309-indoor air outlet pipe air valve, 310-water tap, 311-air cooling condenser, 312-outdoor air outlet pipe, 313-heat storage branch valve, 314-outdoor air outlet pipe air valve, 315-water cooling coil condenser, 316-heat storage water tank, 317-compressor.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the present invention will be further described in detail with reference to the following detailed description.
A schematic diagram of a distributed data center heat recovery and supply system is shown in FIG. 1 and comprises a cabinet 1, a server 2 and a heat recovery and supply module 3. The server 2 is positioned in the cabinet 1, is placed in a user home or a community, provides data calculation and storage capacity for local and remote users, and realizes information interconnection; the heat recovery heat supply module 3 recovers the waste heat of the server 2 to supply heat for local users.
Example one
The distributed data center heat recovery and supply system provided by this embodiment, as shown in fig. 2, includes: the system comprises a cabinet 1, a server 2 and a heat recovery and supply module 3. The server 2 is discretely installed in the cabinet 1, the cabinet 1 is connected with the heat recovery and supply module 3, and a cooling fan 11 and a ventilation opening 12 are further arranged in the cabinet 1.
The heat recovery heat supply module 3 comprises a heat exchanger 301, an indoor air outlet pipe 307, an indoor air outlet pipe air valve 309, an outdoor air outlet pipe 312 and an outdoor air outlet pipe air valve 314.
One side of the heat exchanger 301 is embedded in the cabinet 1, and the other side is respectively connected with an indoor air outlet pipe 307 and an outdoor air outlet pipe 312 through a structure similar to a three-way pipeline, wherein the indoor air outlet pipe 307 is installed indoors and is connected with an indoor air outlet pipe air valve 309; the outdoor air outlet pipe 312 is installed outdoors and is connected with an outdoor air outlet pipe air valve 314. The water tank of the heat exchanger 301 is connected with the water tap 310, and the heated water can be used for the life of residents.
Tap water enters through a refrigerant inlet of the heat exchanger 301, passes through the heat exchanger 301 and the water faucet 310 in sequence, absorbs waste heat of the server 2, and then enters the water faucet 310. The indoor air outlet pipe 307 is communicated with indoor air, and the outdoor air outlet pipe 312 is communicated with outdoor air.
When heat supply to the indoor is needed, the indoor air outlet pipe air valve 309 is opened, and the outdoor air outlet pipe air valve 314 is closed; when heat dissipation to the outdoor is needed, the indoor air outlet pipe air valve 309 is closed, and the outdoor air outlet pipe air valve 314 is opened.
Example two
Embodiment two is based on embodiment one and has added water-cooling coil condenser 315 and hot water storage tank 316. The input end of the water-cooling coil condenser 315 is connected with the refrigerant outlet of the heat exchanger 301 through a compressor 317, and the output end of the water-cooling coil condenser 315 is connected with the refrigerant inlet and outlet of the heat exchanger 301 through a throttling device 305. The water-cooled coil condenser 315 is disposed inside the hot water storage tank 316 as shown in fig. 3.
When the compressor 317 and the throttling device 305 are opened and the indoor air outlet pipe air valve 309 and the indoor air outlet pipe 307 are closed, the heat recovery and heat supply module 3 operates in a heat pump circulation mode based on the principle of forced convection, and high-temperature domestic hot water is prepared and stored in the heat storage water tank 316.
The working method of the embodiment comprises the following steps: according to the load demand and the temperature of the heat storage water tank 316, three working modes of supplying heat to the heat storage water tank, supplying heat to indoor air and dissipating heat to the outdoor are realized. As shown in table 1:
a) temperature T of hot water storage tank 3161Low, e.g. below 60 ℃, and requires a hot water storage tank316, during heat storage, the indoor air outlet pipe air valve 309 and the outdoor air outlet pipe air valve 314 are closed, the compressor 317 and the throttling device 305 are opened, the heat exchanger 301 receives the residual heat of the server 2 to prepare high-temperature hot water, and the system works in a heat supply mode to the heat storage water tank, as shown in fig. 4 a;
b) temperature T of hot water storage tank 3161When the temperature is high, for example, higher than 60 ℃, and the room needs to be heated, the compressor 317, the throttling device 305 and the outdoor air outlet pipe air valve 314 are closed, the indoor air outlet pipe air valve 309 is opened, the heat exchanger 301 collects the residual heat of the server 2 and heats the room through the indoor air outlet pipe 307, and the system operates in a mode of supplying heat to the indoor air, as shown in fig. 4 b;
c) temperature T of hot water storage tank 3161When the temperature is high, for example, higher than 60 ℃, and heating is not needed indoors, the compressor 317, the throttling device 305, and the indoor air outlet duct air valve 309 are closed, the outdoor air outlet duct air valve 314 is opened, the heat exchanger 31a collects the waste heat of the distributed server 2 and dissipates the heat outdoors through the outdoor air outlet duct 312, and the system operates in an outdoor heat dissipation mode, as shown in fig. 4 c.
EXAMPLE III
The present embodiment is shown in fig. 5, and includes a cabinet 1, a server 2, and a heat recovery and supply module 3. The heat recovery and supply module 3 includes an evaporator 302, a compressor 317, a heat dissipation branch valve 308, an air-cooled condenser 311, a heat storage branch valve 313, a water-cooled coil condenser 315, a heat storage water tank 316, and a throttling device 305. The heat dissipation branch valve 308 is connected with the air-cooled condenser 311 to form a heat dissipation branch; the heat storage branch valve 313, the water-cooling coil condenser 315 and the heat storage water tank 316 form a heat storage branch, the heat storage branch valve 313 is connected with the water-cooling coil condenser 315, and the cold coil condenser 315 is arranged in the heat storage water tank 316.
The evaporator 302 is connected in parallel with the heat dissipation branch and the heat storage branch respectively, the evaporator 302 is connected with the input ends of the heat dissipation branch and the heat storage branch through a compressor 317, and the evaporator 302 is connected with the output ends of the heat dissipation branch and the heat storage branch through a throttling device 305.
The servers 2 are discretely installed in the cabinet 1, the evaporator 302 is also installed in the cabinet 1, the rest components of the heat recovery and supply module 3 are all arranged outside the cabinet 1, and the circulating fan 13 is further arranged in the cabinet 1.
The working method of the embodiment comprises the following steps: according to the load demand and the temperature of the heat storage water tank 316, two working modes of heat pump circulation heat supply and heat pump circulation heat dissipation are realized. As shown in table 2:
a) temperature T of hot water storage tank 3161When the temperature is low, for example, lower than 60 ℃, and heat needs to be stored in the heat storage water tank 316, the heat dissipation branch valve 308 is closed, the heat storage branch valve 313, the compressor 317 and the throttling device 305 are opened, the evaporator 302 collects the residual heat of the server 2 to prepare high-temperature hot water at 60 ℃, and the system operates in a heat pump circulation heat supply mode, as shown in fig. 6 a;
b) temperature T of hot water storage tank 3161When the temperature is high, for example, higher than 60 ℃, and heat is not required to be stored in the heat storage water tank 316, the heat storage branch valve 313 is closed, the heat dissipation branch valve 308, the compressor 317 and the throttling device 305 are opened, the evaporator 302 collects the residual heat of the server 2 and dissipates the heat outwards through the air-cooled condenser 311, and the system operates in a heat pump circulation heat dissipation mode, as shown in fig. 6 b.
Example four
In the fourth embodiment, a first bypass valve 304 and a second bypass valve 306 are added on the basis of the third embodiment, the first bypass valve 304 is connected with a compressor 317 in parallel, the second bypass valve 306 is connected with a throttling device 305 in parallel, and an air-cooled condenser 311 and a water-cooled coil condenser 315 are horizontally higher than an evaporator 302, as shown in fig. 7. When the first bypass valve 304 and the second bypass valve 306 are opened and the compressor 317 and the throttling device 305 are closed, the heat recovery and heat supply module 3 operates in a gravity heat pipe cycle based on the principle of natural convection; when the compressor 317 and the throttling device 305 are opened and the first bypass valve 304 and the second bypass valve 306 are closed, the heat recovery heating module 3 operates in a heat pump cycle based on the principle of forced convection.
The working method of the embodiment comprises the following steps: according to the load demand, the temperature of the heat storage water tank 316 and the outdoor temperature, four working modes of gravity heat pipe circulation heat supply, heat pump circulation heat supply, gravity heat pipe circulation heat dissipation and heat pump circulation heat dissipation are realized. As shown in table 3:
a) when the temperature of the heat storage water tank 316 is low and heat needs to be stored in the heat storage water tank 316, the heat dissipation branch valve 308, the compressor 317 and the throttling device 305 are closed, the heat storage branch valve 313, the first bypass valve 304 and the second bypass valve 306 are opened, the evaporator 302 collects the waste heat of the server 2 to directly prepare hot water, and the system works in a gravity heat pipe circulation heat supply mode, as shown in fig. 8 a;
b) when the temperature of the heat storage water tank 316 is high and heat needs to be stored in the heat storage water tank 316, the heat dissipation branch valve 308, the first bypass valve 304 and the second bypass valve 306 are closed, the heat storage branch valve 313, the compressor 317 and the throttling device 305 are opened, the evaporator 302 collects the waste heat of the server 2 to prepare high-temperature hot water, and the system works in a heat pump circulation heat supply mode, as shown in fig. 8 b;
c) when the outdoor temperature is low and heat is not required to be stored in the heat storage water tank 316, the heat storage branch valve 313, the compressor 317 and the throttling device 305 are closed, the heat dissipation branch valve 308, the first bypass valve 304 and the second bypass valve 306 are opened, the evaporator 302 collects the residual heat of the server 2 and dissipates the heat outwards through the air-cooled condenser 311, and the system works in a gravity heat pipe circulation heat dissipation mode, as shown in fig. 8 c;
d) when the outdoor temperature is high and heat is not required to be stored in the heat storage water tank 316, the heat storage branch valve 313, the first bypass valve 304 and the second bypass valve 306 are closed, the heat dissipation branch valve 308, the compressor 317 and the throttling device 305 are opened, the evaporator 302 collects the residual heat of the server 2 and dissipates the heat outwards through the air-cooled condenser 311, and the system operates in a heat pump circulation heat dissipation mode, as shown in fig. 8 d.
EXAMPLE five
The distributed data center heat recovery and supply system provided by this embodiment is shown in fig. 9, and includes: the system comprises a cabinet 1, a server 2 and a heat recovery and supply module 3. The heat recovery and supply module 3 comprises a liquid cooling plate 303, a compressor 317, a heat dissipation branch valve 308, an air-cooled condenser 311, a heat storage branch valve 313, a water-cooled coil condenser 315, a heat storage water tank 316 and a throttling device 305;
the heat dissipation branch valve 308 is connected with the air-cooled condenser 311 to form a heat dissipation branch; the heat storage branch valve 313, the water-cooling coil condenser 315 and the heat storage water tank 316 form a heat storage branch, the heat storage branch valve 313 is connected with the water-cooling coil condenser 315, and the cold coil condenser 315 is arranged in the heat storage water tank 316.
The liquid cooling plate 303 is connected with the heat dissipation branch and the heat storage branch in parallel respectively, the liquid cooling plate 303 is connected with the heat dissipation branch and the input end of the heat storage branch through a compressor 317, and the liquid cooling plate 303 is connected with the heat dissipation branch and the output end of the heat storage branch through a throttling device 305.
The server 2 is discretely installed in the cabinet 1, the liquid cooling plate 303 is also installed in the cabinet 1, the server 2 and the liquid cooling plate 303 are attached and installed, and the rest of the components of the heat recovery and supply module 3 are all arranged outside the cabinet 1. The liquid cooling plate 303 includes a plurality of pieces, and is connected in parallel.
The working method of the embodiment comprises the following steps: according to the load demand and the temperature of the heat storage water tank 316, two working modes of heat pump circulation heat supply and heat pump circulation heat dissipation are realized. As shown in table 4:
a) temperature T of hot water storage tank 3161When the temperature is low, for example, lower than 60 ℃, the heat dissipation branch valve 308 is closed, the heat storage branch valve 313, the compressor 317 and the throttling device 305 are opened, the liquid cooling plate 303 collects the waste heat of the server 2 to prepare high-temperature hot water, and the system operates in a heat pump circulation heat supply mode, as shown in fig. 10 a;
b) temperature T of hot water storage tank 3161When the temperature is higher than 60 ℃, for example, the heat storage branch valve 316 is closed, the heat dissipation branch valve 308, the compressor 317 and the throttling device 305 are opened, the liquid cooling plate 303 collects the residual heat of the server 2 and dissipates the heat outwards through the air-cooled condenser 311, and the system operates in a heat pump circulation heat dissipation mode, as shown in fig. 10 b.
EXAMPLE six
Sixth embodiment is the addition of fifth embodiment with a first bypass valve 304, a second bypass valve 306, the first bypass valve 304 in parallel with the compressor 317, the second bypass valve 306 in parallel with the throttling device 305, and the air-cooled condenser 311 and the water-cooled coil condenser 315 at a higher level than the evaporator 302, as shown in fig. 11. The heat recovery heat supply module 3 can operate in a heat pump cycle and a gravity assisted heat pipe cycle.
The working method of the embodiment comprises the following steps: according to the load demand, the temperature of the heat storage water tank 316 and the outdoor temperature, four working modes of gravity heat pipe circulation heat supply, heat pump circulation heat supply, gravity heat pipe circulation heat dissipation and heat pump circulation heat dissipation are realized. As shown in table 5:
a) when the temperature of the heat storage water tank 316 is low and heat needs to be stored in the heat storage water tank 316, the heat dissipation branch valve 308, the compressor 317 and the throttling device 305 are closed, the heat storage branch valve 313, the first bypass valve 304 and the second bypass valve 306 are opened, the liquid cooling plate 303 collects the residual heat of the server 2 to directly prepare hot water, and the system works in a gravity heat pipe circulation heat supply mode, as shown in fig. 12 a;
b) when the temperature of the heat storage water tank 316 is high and heat needs to be stored in the heat storage water tank 316, the heat dissipation branch valve 308, the first bypass valve 304 and the second bypass valve 306 are closed, the heat storage branch valve 313, the compressor 317 and the throttling device 305 are opened, the liquid cooling plate 303 collects the waste heat of the server 2 to prepare high-temperature hot water, and the system works in a heat pump circulation heat supply mode, as shown in fig. 12 b;
c) when the outdoor temperature is low and heat is not required to be stored in the heat storage water tank 316, the heat storage branch valve 313, the compressor 317 and the throttling device 305 are closed, the heat dissipation branch valve 308, the first bypass valve 304 and the second bypass valve 306 are opened, the liquid cooling plate 303 collects the residual heat of the server 2 and dissipates the heat outwards through the air-cooled condenser 311, and the system works in a gravity heat pipe circulation heat dissipation mode, as shown in fig. 12 c;
d) when the outdoor temperature is high and heat is not required to be stored in the heat storage water tank 316, the heat storage branch valve 313, the first bypass valve 304 and the second bypass valve 306 are closed, the heat dissipation branch valve 308, the compressor 317 and the throttling device 305 are opened, the liquid cooling plate 303 collects the residual heat of the server 2 and dissipates the heat outwards through the air-cooled condenser 311, and the system operates in a heat pump circulation heat dissipation mode, as shown in fig. 12 d.
The invention has the beneficial effects that:
based on the concept of 'edge calculation', the servers which are originally and intensively placed are dispersedly placed in the homes and local communities of the users, and the heat dissipation capacity of the servers is utilized to supply heat to the homes of the users in the heat supply season, so that the method is efficient, clean, safe and cheap, primary energy is saved, and energy conservation and emission reduction benefits are obvious; utilize the heat pipe circulation in the non-heat supply season with heat dissipation to the surrounding environment in, the heat dissipation is comparatively dispersed, and the radiating efficiency is higher, has effectively weakened local heat and has piled up the effect, improves electronic components's work efficiency, the steady operation of guarantee server.
Compared with the traditional data center, the invention has less equipment amount, does not need large-area land acquisition construction, and reduces the investment cost. Meanwhile, the standardized cabinet is used, so that the equipment is easy to maintain and replace, and the running cost can be well controlled. In addition, because the equipment is arranged in the household of residents, low-price residential electricity (the electricity price is about 0.5 yuan/kWh which is far lower than that of industrial electricity by 1.2 yuan/kWh) can be used, and the operation and maintenance cost of enterprises is reduced.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. Distributed data center heat recovery heating system, its characterized in that includes: the system comprises a cabinet (1), a server (2) and a heat recovery and supply module (3);
the server (2) is positioned inside the cabinet (1), and the cabinet (1) is placed in a user home or a community to provide data calculation and storage capacity for local and remote users and realize information interconnection;
the heat recovery heat supply module (3) recovers the waste heat of the server (2) to supply heat for local users;
the heat recovery and supply module (3) comprises an evaporator (302), a compressor (317), a heat dissipation branch valve (308), an air-cooled condenser (311), a heat storage branch valve (313), a water-cooled coil condenser (315), a heat storage water tank (316) and a throttling device (305);
the heat radiation branch valve (308) and the air-cooled condenser (311) are connected to form a heat radiation branch; the heat storage branch valve (313), the water-cooling coil condenser (315) and the heat storage water tank (316) form a heat storage branch, the heat storage branch valve (313) is connected with the water-cooling coil condenser (315), and the cold coil condenser (315) is arranged in the heat storage water tank (316);
the evaporator (302) is respectively connected with the heat dissipation branch and the heat storage branch in parallel, the evaporator (302) is connected with the input ends of the heat dissipation branch and the heat storage branch through a compressor (317), and the evaporator (302) is connected with the output ends of the heat dissipation branch and the heat storage branch through a throttling device (305);
the server (2) is discretely installed in the cabinet (1), the evaporator (302) is also installed in the cabinet (1), and the rest parts of the heat recovery and supply module (3) are all arranged outside the cabinet (1);
the compressor (317) is connected with the first bypass valve (304) in parallel, the throttling device (305) is connected with the second bypass valve (306) in parallel, and the horizontal positions of the air-cooled condenser (311) and the water-cooled coil condenser (315) are higher than that of the evaporator (302).
2. A distributed data centre heat recovery heating system according to claim 1, wherein a circulating fan (13) is provided within the cabinet (1).
3. Distributed data center heat recovery heating system, its characterized in that includes: the system comprises a cabinet (1), a server (2) and a heat recovery and supply module (3);
the server (2) is positioned inside the cabinet (1), and the cabinet (1) is placed in a user home or a community to provide data calculation and storage capacity for local and remote users and realize information interconnection;
the heat recovery heat supply module (3) recovers the waste heat of the server (2) to supply heat for local users;
the heat recovery and supply module (3) comprises a liquid cooling plate (303), a compressor (317), a heat dissipation branch valve (308), an air-cooled condenser (311), a heat storage branch valve (313), a water-cooled coil condenser (315), a heat storage water tank (316) and a throttling device (305);
the heat radiation branch valve (308) and the air-cooled condenser (311) are connected to form a heat radiation branch; the heat storage branch valve (313), the water-cooling coil condenser (315) and the heat storage water tank (316) form a heat storage branch, the heat storage branch valve (313) is connected with the water-cooling coil condenser (315), and the cold coil condenser (315) is arranged in the heat storage water tank (316);
the liquid cooling plate (303) is respectively connected with the heat dissipation branch and the heat storage branch in parallel, the liquid cooling plate (303) is connected with the input ends of the heat dissipation branch and the heat storage branch through a compressor (317), and the liquid cooling plate (303) is connected with the output ends of the heat dissipation branch and the heat storage branch through a throttling device (305);
the server (2) is discretely installed in the cabinet (1), the liquid cooling plate (303) is also installed in the cabinet (1), the server (2) and the liquid cooling plate (303) are installed in an attaching mode, and the rest parts of the heat recovery and supply module (3) are all arranged outside the cabinet (1);
the compressor (317) is connected in parallel with the first bypass valve (304) and the throttle device (305) is connected in parallel with the second bypass valve (306).
4. A distributed data centre heat recovery heating system according to claim 3, wherein the liquid cooled panels (303) comprise a plurality of pieces and are mounted in parallel.
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| CN212619290U (en) * | 2019-05-15 | 2021-02-26 | 芜湖美的厨卫电器制造有限公司 | Electric water heater |
| CN112040717A (en) * | 2020-07-27 | 2020-12-04 | 南京航空航天大学 | Distributed data center composite heat recovery dual-source heat management system and working method |
| CN115468326A (en) * | 2021-06-10 | 2022-12-13 | 华为数字能源技术有限公司 | Composite refrigeration system and data center |
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