CN208205554U - A kind of LNG cold energy recycling distributed energy resource system for data center computer room - Google Patents
A kind of LNG cold energy recycling distributed energy resource system for data center computer room Download PDFInfo
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- CN208205554U CN208205554U CN201721849399.6U CN201721849399U CN208205554U CN 208205554 U CN208205554 U CN 208205554U CN 201721849399 U CN201721849399 U CN 201721849399U CN 208205554 U CN208205554 U CN 208205554U
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Abstract
The utility model is a kind of LNG cold energy recycling distributed energy resource system for data center computer room.It includes the computer room cooling unit for producing gasification natural gas and extracting the cold recovery unit of cold energy of liquefied natural gas that it, which includes a kind of, cooling is used for the cabinet by the cooling capacity for data center computer room；Cold-storage unit, the spare cold source of the cabinet for the cooling capacity to be saved as to data center computer room；Compressed air cooling unit, it is for compressed air and using the cooling capacity that compressed air is cooling；Fuel gas generation unit, for the gasification natural gas power of burning；Cold recovery unit, compressed air cooling unit, the series connection of fuel gas generation unit；Cold recovery unit is connect with computer room cooling unit, cold-storage unit respectively；High-temperature flue gas refrigeration unit, it is cooling for the cabinet of data center computer room for producing chilled water；Low-temperature flue gas heating unit, for producing domestic hot-water；Fuel gas generation unit connects high-temperature flue gas refrigeration unit, high-temperature flue gas refrigeration unit connects low-temperature flue gas heating unit.
Description
Technical field
The present invention relates to a kind of conversion field of cold energy, specifically a kind of LNG cold energy for data center computer room is recycled
Distributed energy resource system.
Background technique
Natural gas is as one of big energy pillar in the world three, and proportion is more than 24% in energy resource structure, due to its ring
It protects, safety, its consumption figure steeply rises in recent years.In order to preferably cope with the transport and storage problem of natural gas, LNG
(Liquefied Natural Gas, liquefied natural gas) development is swift and violent.In LNG from the outside transmission process of receiving station, need to first by
LNG gasification, and the cold energy in LNG with gasification while releasing, and about can reach 830-860kJ/kg.Cold energy refers to often
In warm environment, the low temperature heat energy of naturally occurring actually refers under field conditions (factors), it is obtained to can use certain temperature difference
Energy；Currently, causing this part cold energy to be usually lost with seawater or air due to equipment, environment etc., lack recycling benefit
With.
Application No. is the patent of CN201610230461.7 disclose it is a kind of using pressure energy of natural gas power generation and cold energy return
The technique and device of receipts, this patent is relatively simple to cold energy use, does not form stepped energy and uses.The present invention combines close
It is distributed to provide a kind of LNG cold energy recycling for data center computer room for the phenomenon that Nian Lai data center energy-output ratio rapidly increases
Energy resource system.The present invention realizes supply of cooling, heating and electrical powers by the cascade utilization of the energy, and the cold energy purposes of recycling increases.
Summary of the invention
The object of the present invention is to provide a kind of realization cascaded utilization of energy, cold energy multiple use for data center computer room
LNG cold energy recycles distributed energy resource system.
In order to achieve the object, the present invention includes for producing gasification natural gas and extracting the cooling capacity of cold energy of liquefied natural gas
Recovery unit；It further include computer room cooling unit, the cabinet cooling for the cold energy of liquefied natural gas to be provided to data center computer room makes
With；Cold-storage unit, for the cold energy of liquefied natural gas to be saved as to the spare cold source of data center computer room cabinet；Compressed air is cold
But unit, it is for compressed air and using the cold energy of liquefied natural gas that compressed air is cooling；Fuel gas generation unit, for firing
Burn the gasification natural gas power；Cold recovery unit, compressed air cooling unit, the series connection of fuel gas generation unit；Cold recovery
Unit is connect with computer room cooling unit, cold-storage unit respectively；High-temperature flue gas refrigeration unit, for producing chilled water, for modem
The cabinet in room is cooling；Low-temperature flue gas heating unit, for producing domestic hot-water；It is single that fuel gas generation unit connects high-temperature flue gas refrigeration
Member, high-temperature flue gas refrigeration unit connect low-temperature flue gas heating unit.
Clean energy resource LNG recycles cooling capacity by cold recovery unit, and obtains gasification natural gas, and the cooling capacity of recycling is used to cold
But compressed air stores spare cooling capacity of the cooling capacity as data center computer room, and cooling data center computer room, this is the first ladder benefit of the system
With.Gasify the fuel of obtained natural gas and compressed air after cooling as gas turbine, gas turbine pushing generator group
It generates electricity, meets the power demand of data center, this is that the second ladder utilizes.The high-temperature flue gas of discharge of gas turbine recycles benefit
Chilled water is produced with by flue gas type direct-fired machine, provides cold source for data center computer room, this is that third ladder utilizes.Flue gas direct-fired machine row
The low-temperature flue gas put produces domestic hot-water by heat recovery apparatus recycling again, provides life production for other regions of data center computer room
Hot water, this is that fourth order ladder utilizes.The present invention realizes the cascade utilization of the energy, and the cooling capacity of recycling realizes cooling, production heat
Water, power generation purposes.
Further, cold recovery unit includes LNG storage tank, First Heat Exchanger, the second heat exchanger, third heat exchanger,
Four heat exchangers, eg pump, ethylene glycol storage tank, natural gas line, ethylene glycol pipeline, the LNG storage tank and First Heat Exchanger
Connection, First Heat Exchanger and the second heat exchanger are formed into a loop by natural gas line, and First Heat Exchanger and third heat exchanger pass through
Natural gas line forming circuit, First Heat Exchanger connect the 4th heat exchanger by natural gas line, and the 4th heat exchanger passes through natural
Feed channel connects fuel gas generation unit, and ethylene glycol storage tank is separately connected the second heat exchange by eg pump and ethylene glycol pipeline
Device, third heat exchanger, the 4th heat exchanger, third heat exchanger and the 4th heat exchanger are in turn connected to form first with cold-storage unit respectively
Cold-storage circuit and the second cold-storage circuit, third heat exchanger and the 4th heat exchanger are in turn connected to form the with computer room freezing unit respectively
One computer room refrigerating circuit and the second computer room refrigerating circuit, the second heat exchanger, compressed air cooling unit are in turn connected to form compression
Air loop, the first cold-storage circuit, the second cold-storage circuit, the first computer room refrigerating circuit, the second computer room refrigerating circuit, compressed air
The pipeline in circuit is ethylene glycol pipeline.
This cold recovery unit uses two circulations, and one is natural gas repeatedly from pressurization, self-heating gasification cycle；Separately
One is ethylene glycol refrigerating, charge cycle.The two cycle through the second heat exchanger, third heat exchanger, the connection of the 4th heat exchanger
Get up.Second heat exchanger, third heat exchanger, the 4th heat exchanger primary side be ethylene glycol, secondary side is gaseous natural gas.
Their effect is that natural gas cold energy is made to be transmitted to ethylene glycol, carries out the conveying to other units after ethylene glycol storage again.Natural
In the multiple self-heating gasification cycle of gas, the primary side of First Heat Exchanger is gasification natural gas, secondary side LNG.Natural gas was both
It is the carrier used the working medium of cooling capacity, and transmit cooling capacity, the natural gas circulated is for the liquified natural gas in cryogenic tank
For be a kind of gas refrigerating medium.This avoid the direct heat exchange of low temperature liquid natural gas and liquid coolant ethylene glycol.Cause
There is great heat transfer temperature difference for ethylene glycol and liquified natural gas heat exchange, will increase the available energy loss of heat exchange in this way, and is saturated natural
The boiling heat transfer of gas can make refrigerating medium ethylene glycol since temperature is too low and frozen, block heat exchanger runner, so that entire return
Receiving unit cannot run well.In ethylene glycol refrigerating charge cycle, the cooling capacity of natural gas is exchanged heat by the second heat exchanger, third
Device, the 4th heat exchanger transfer have given ethylene glycol solution, and ethylene glycol solution is that one kind is colourless, tasteless, burn into chemical property is not steady
Fixed, pollution-free and cheap " green " refrigerating medium uses concentration for 60% ethylene glycol solution, and freezing point takes the photograph lower than -30
Family name's degree, and there is biggish specific heat capacity, therefore be a kind of ideal refrigerating medium.Ethylene glycol storage tank plays the role of cold-storage, can
To store rich cooling capacity, it is insufficient to solve the bring cooling capacity when refrigeration requirement and liquefied natural gas consumption imbalance
Or the problem that cooling capacity is excessive, while cooling capacity can also be supplied to other units, improve the utilization efficiency of LNG cold recovery.
Further, computer room cooling unit include realize ethylene glycol and freeze the 5th heat exchanger of hydrothermal exchange, Constant pressure tank,
The entrance of chilled water pump, cabinet, the 5th heat exchanger ethylene glycol side is respectively communicated with third heat exchanger and the 4th heat exchanger, the
The connection of five heat exchanger ethylene glycol side outlet sections is respectively communicated with third heat exchanger and the 4th heat exchanger, and the 5th heat exchanger chilled water side goes out
Mouth section passes through chilled water pump and connects cabinet, the 5th heat exchanger chilled water side entrance section connection cabinet, the Constant pressure tank access the 5th
Between heat exchanger chilled water side outlet section and chilled water pump.
Further, compressed air cooling unit is surface air cooler.It is cooling for air then to apply surface air cooler, it is cold to solve air
But during the problem of a large amount of condensing hot air furnaces, the stability of system is improved.
Further, fuel gas generation unit includes gas turbine and generator, and the input terminal connection the 4th of gas turbine is changed
Hot device and surface air cooler, output end connect generator.Natural gas after gasification and the compressed air through surface air cooler cooling enter combustion
Gas-turbine burns, and pushing generator generates electricity, and meets data center computer room electricity needs.Gas turbine power generation is imitated under this mode
Rate can increase 10% -15%, and efficiency of energy utilization greatly improves.
Further, high-temperature flue gas refrigeration unit includes flue gas type direct-fired machine, chilled water pump and cabinet, flue gas type direct-fired machine
Input terminal connect gas turbine, produce chilled water for receiving high-temperature flue gas when generating electricity and export, the flue gas type direct combustion
The output end of machine is connected to cabinet by chilled water pump, achievees the effect that cooling computer room.
Further, low-temperature flue gas heating unit includes heat recovery apparatus and boiler, the input terminal of heat recovery apparatus with
The connection of flue gas type direct-fired machine, for being heated after receiving low-temperature flue gas when flue gas type direct-fired machine produces chilled water, heat recovery apparatus
Output end connect boiler, meet the hot water demand of data center computer room.
Further, high-temperature flue gas refrigeration unit further includes waste heat boiler, and for the recycling of waste heat, the waste heat boiler is defeated
Enter end connection gas turbine, output end connects flue gas type direct-fired machine.Gas turbine can be directly connected to direct-fired machine, can also be led to
It crosses waste heat boiler to be indirectly connected with, the effect of waste heat boiler is recovery waste heat.
Further, First Heat Exchanger, the second heat exchanger, third heat exchanger, the 4th heat exchanger are plate-fin heat exchanger,
5th heat exchanger is plate heat exchanger.In order to improve heat exchanger heat exchange efficiency, need to make as far as possible the temperature of cold recovery unit
Distribution is best, and working medium flow is larger in heat exchanger, in order to control its flow velocity in the range of license, reaches good heat exchange
Effect, so First Heat Exchanger, the second heat exchanger, third heat exchanger, the 4th heat exchanger are plate-fin heat exchanger, plate-fin is changed
Hot device has many advantages, such as that the transmitting thermal efficiency is high, compact, light and handy, applicability is big.And the heat transfer requirements of ethylene glycol and chilled water are not so good as
Cold recovery unit is stringent, and using plate heat exchanger, plate heat exchanger includes plate-fin heat exchanger.
The invention has the benefit that the fuel of (1) using green clean energy resource LNG as distributed energy resource system, clearly
Clean environmental protection.
(2) repeatedly from being pressurized, the LNG recovery system of self-heating gasification cycle is recycled during LNG gasification natural gas for design
Cold energy, and cooling compressed air makes gas turbine power generation efficiency increase by 10% -15%, efficiency of energy utilization greatly improves.
(3) repeatedly from being pressurized, the LNG recovery system of self-heating gasification cycle is recycled during LNG gasification natural gas for design
Cold energy, cold-storage is carried out to sub-fraction cold energy, as the spare cold source of data center computer room, it is cooling to be mostly used in data center computer room, keeps away
Data center computer room is exempted from and the increase of cooling system bring energy consumption is separately provided, investment operating cost increases, occupied area increase etc. one
Series of problems.
(4) NG Distributed Energy System for recycling LNG cold energy makes full use of a large amount of free in fuel materializing procedure
Cold energy carries out overall process multi-stage stepwise and efficiently utilizes, and with least investment, maximum energy saving realizes Large-scale Data Rooms
Cold and hot electricity demanding, simultaneity factor is relatively reliable and flexible, more high-efficiency environment friendly.
Detailed description of the invention
Fig. 1 is that the LNG cold energy of data center computer room recycles distributed energy resource system cellular construction figure
Fig. 2 is that the LNG cold energy of data center computer room recycles distributed energy resource system structure principle chart
Fig. 3 is that the LNG cold energy of data center computer room recycles distributed energy resource system structure chart
It include LNG storage tank 1, First Heat Exchanger 2, the second heat exchanger 3, third heat exchanger 4, the 4th heat exchanger 5, first in figure
Eg pump 6, cold-storage unit 8, surface air cooler 9, gas turbine 10, generator 11, the 5th heat exchanger 12, is determined second eg pump 7
Press tank 13, cabinet 14, boiler 15, flue gas type direct-fired machine 16, heat recovery apparatus 17, chilled water pump 18, ethylene glycol storage tank 19,
Third eg pump 20.
Specific embodiment
Shown in Fig. 1, the LNG cold energy recycling distributed energy resource system of data center computer room includes cold recovery unit, computer room cooling
Unit, cold-storage unit, compressed air unit, fuel gas generation unit, high-temperature flue gas refrigeration unit, low-temperature flue gas heating unit.It
Connection relationship be cold recovery unit connect respectively with computer room cooling unit, cold-storage unit, compressed air cooling unit, pressure
Contracting air cooling unit connection connection fuel gas generation unit, fuel gas generation unit connect high-temperature flue gas refrigeration unit, high-temperature flue gas
Refrigeration unit connects low-temperature flue gas heating unit.Their purposes is respectively as follows: cold recovery unit for producing gasification natural gas
And cold energy of liquefied natural gas is extracted, and computer room cooling unit, for the cooling capacity to be used for data center computer room is cooling, cold-storage unit,
For the cooling capacity to be saved as to the spare cold source of data center computer room, compressed air cooling unit for compressed air and is utilized
The cooling capacity is cooling by compressed air, fuel gas generation unit, and for the gasification natural gas power of burning, high-temperature flue gas refrigeration is single
Member is cooling for data center computer room for producing chilled water, low-temperature flue gas heating unit, for producing domestic hot-water.
The working principle for the system that the above unit is constituted is as shown in Fig. 2, clean energy resource LNG is recycled by cold recovery unit
Cooling capacity, and gasification natural gas is obtained, the cooling capacity of recycling is used to cool down compressed air, stores cooling capacity as the spare cold of data center computer room
Amount, cooling data center computer room, this is that the first ladder of the system utilizes.Gasify obtained natural gas and compressed air after cooling work
For the fuel of gas turbine, gas turbine pushing generator group generates electricity, and meets the power demand of data center, this is second
Ladder utilizes.The high-temperature flue gas of discharge of gas turbine is recycled through flue gas type direct-fired machine, and flue gas type direct-fired machine passes through cold again
Freeze water pump and produce chilled water, provide cold source for data center computer room, this is that third ladder utilizes.The low-temperature flue gas of flue gas direct-fired machine discharge
Domestic hot-water is produced by heat recovery apparatus recycling again, life is provided for other regions of data center computer room and produces hot water, this is the
Four-step utilizes.The present invention realizes the cascade utilization of the energy, and the cooling capacity of recycling realizes the use of cooling, production hot water, power generation
On the way.
Fig. 3 is to realize that this system provides a kind of makes.
Cold recovery structure uses two circulations, and one is natural gas repeatedly from pressurization, self-heating gasification cycle；It is another
A is ethylene glycol refrigerating, charge cycle.The two cycle through the second heat exchanger 3, third heat exchanger 4, the connection of the 4th heat exchanger 5
Get up.Second heat exchanger 3, third heat exchanger 4, the 4th heat exchanger 5 primary side be ethylene glycol, secondary side is that gaseous state is natural
Gas.Their effect is that natural gas cold energy is made to be transmitted to ethylene glycol, carries out the conveying to other units after ethylene glycol storage again.In day
In the multiple self-heating gasification cycle of right gas, the primary side of First Heat Exchanger 2 is gasification natural gas, secondary side LNG.Natural gas
It is both the carrier used the working medium of cooling capacity, and transmit cooling capacity, the natural gas circulated is for the liquid natural in cryogenic tank
It is a kind of gas refrigerating medium for gas.This avoid the direct heat exchange of low temperature liquid natural gas and liquid coolant ethylene glycol.
Because ethylene glycol and liquified natural gas heat exchange have great heat transfer temperature difference, the available energy loss of heat exchange will increase in this way, and be saturated day
The boiling heat transfer of right gas can make refrigerating medium ethylene glycol since temperature is too low and frozen, heat exchanger runner be blocked, so that entirely
Recovery unit cannot run well.In ethylene glycol refrigerating charge cycle, the cooling capacity of natural gas passes through the second heat exchanger 3, third
Heat exchanger 4, the 4th heat exchanger 5 have passed to ethylene glycol solution, ethylene glycol solution be it is a kind of it is colourless, tasteless, burn into is not chemically
Stable, pollution-free and cheap " green " refrigerating medium of matter, use concentration for 60% ethylene glycol solution, freezing point lower than-
30 degrees Celsius, and there is biggish specific heat capacity, therefore be a kind of ideal refrigerating medium.Ethylene glycol storage tank 19 plays the work of cold-storage
With rich cooling capacity being stored, it is cold to solve the bring when refrigeration requirement and liquefied natural gas consumption imbalance
The problem that amount is insufficient or cooling capacity is excessive, while cooling capacity can also be supplied to other units, that improves LNG cold recovery utilizes effect
Rate.In addition, First Heat Exchanger, the second heat exchanger, third heat exchanger, the 4th heat exchanger are preferably plate-fin heat exchanger, in order to mention
High heat exchanger heat exchange efficiency needs to make the Temperature Distribution of cold recovery unit best as far as possible, and working medium flow in heat exchanger
It is larger, in order to control its flow velocity in the range of license, reach good heat transfer effect, so First Heat Exchanger, the second heat exchange
Device, third heat exchanger, the 4th heat exchanger are plate-fin heat exchanger, and plate-fin heat exchanger has the transmitting thermal efficiency high, compact, light
Ingeniously, the advantages that applicability is big.
Cold recovery structure is to realize the foundation stone of following functions structure, introduces the structure for realizing each function individually below.
Realize the cooling structure of computer room: LNG storage tank 1 is connect with First Heat Exchanger 2, First Heat Exchanger 2 and the second heat exchanger 3
It is formed into a loop by natural gas line, First Heat Exchanger 2 and third heat exchanger 3 are formed into a loop by natural gas line, ethylene glycol
Storage tank 19 is separately connected the second heat exchanger 3 with ethylene glycol pipeline by third eg pump 20, third heat exchanger the 4, the 4th changes
Hot device 5, the entrance of 12 ethylene glycol side of the 5th heat exchanger are respectively communicated with third heat exchanger 4 and the 4th heat exchanger 5, the 5th heat exchanger
The connection of 12 ethylene glycol side outlet sections is respectively communicated with third heat exchanger 4 and the 4th heat exchanger 5,12 chilled water side outlet of the 5th heat exchanger
Section connects cabinet 14,12 chilled water side entrance of the 5th heat exchanger section connection cabinet 14, the Constant pressure tank 13 by chilled water pump 18
It accesses between 12 chilled water side outlet section of the 5th heat exchanger and chilled water pump 18.
Realize the structure of cold-storage: LNG storage tank 1 is connect with First Heat Exchanger 2, and First Heat Exchanger 2 and the second heat exchanger 3 pass through
Natural gas line forming circuit, First Heat Exchanger 2 and third heat exchanger 3 are formed into a loop by natural gas line, ethylene glycol storage
Tank 19 is separately connected the second heat exchanger 3, third heat exchanger 4, the 4th heat exchanger by third eg pump 20 and ethylene glycol pipeline
5, third heat exchanger 4 and the 4th heat exchanger 5 are in turn connected to form the first cold-storage circuit and the second cold-storage go back to cold-storage unit 8 respectively
Road.Repeatedly from being pressurized, the cold energy during the LNG recovery system recycling LNG gasification natural gas of self-heating gasification cycle is right for design
Sub-fraction cold energy carries out cold-storage, as the spare cold source of data center computer room, is mostly used in data center computer room cooling, avoids modem
A series of problems, such as increase of cooling system bring energy consumption is separately provided in room, and investment operating cost increases, and occupied area increases.
Realize the cooling structure of compressed air: LNG storage tank 1 is connect with First Heat Exchanger 2, and First Heat Exchanger 2 and second changes
Hot device 3 is formed into a loop by natural gas line, and First Heat Exchanger 2 and third heat exchanger 3 are formed into a loop by natural gas line, second
Glycol storage tank 19 is separately connected the second heat exchanger 3, third heat exchanger 4, the by third eg pump 20 and ethylene glycol pipeline
Four heat exchangers 5.Second heat exchanger 3, surface air cooler 9 are in turn connected to form compressed air circuit.It is cooling for air to apply surface air cooler
9, it solves the problems, such as a large amount of condensing hot air furnaces in Air-cooling Process, improves the stability of system.Realize that compressed air is cooled to
Next power generation is ready.
Realize the structure of power generation: LNG storage tank 1 is connect with First Heat Exchanger 2, and First Heat Exchanger 2 and the second heat exchanger 3 pass through
Natural gas line forming circuit, First Heat Exchanger 2 and third heat exchanger 3 are formed into a loop by natural gas line, ethylene glycol storage
Tank 19 is separately connected the second heat exchanger 3, third heat exchanger 4, the 4th heat exchanger by third eg pump 20 and ethylene glycol pipeline
5, First Heat Exchanger 2 connects the 4th heat exchanger 5 by natural gas line, and the 4th heat exchanger 5 connects combustion gas by natural gas line
Turbine 10, and the 4th heat exchanger 5 of input terminal connection and surface air cooler 9, output end of gas turbine 10 connect generator 11.After gasification
Natural gas and enter gas turbine 11 through the cooling compressed air of surface air cooler 9 and burn, pushing generator generates electricity,
Meet data center computer room electricity needs.Gas turbine power generation efficiency can increase 10% -15% under this mode, and efficiency of energy utilization is significantly
It improves.
High-temperature flue gas when power generation produces the structure of chilled water: the input terminal connection gas turbine of flue gas type direct-fired machine 16
10, chilled water is produced for high-temperature flue gas when receiving power generation and is exported, and the output end of flue gas type direct-fired machine 16 passes through chilled water
Pump 18 is connected to cabinet, achievees the effect that cooling machine cabinet 14.Another feasible method is using waste heat boiler, for waste heat
Recycling.Waste heat boiler input terminal connects gas turbine 10, and output end connects flue gas type direct-fired machine 16.Gas turbine 10 can be with cigarette
Gas type direct-fired machine 16 is directly connected to, and can also be indirectly connected with by waste heat boiler.
The structure of the low-temperature flue gas hot water preparing of flue gas type direct-fired machine: the input terminal and flue gas type direct combustion of heat recovery apparatus 17
Machine 16 connects, for being heated after receiving low-temperature flue gas when flue gas type direct-fired machine produces chilled water, the output of heat recovery apparatus 17
End connection boiler 15, meets the hot water demand of data center computer room.
The NG Distributed Energy System for recycling LNG cold energy, makes full use of in green clean energy resource LNG materializing procedure
A large amount of free cold energy carry out overall process multi-stage stepwise and efficiently utilize, and with least investment, maximum energy saving realizes large size
The cold and hot electricity demanding of data center computer room, simultaneity factor is relatively reliable and flexible, more high-efficiency environment friendly.
Claims (9)
1. a kind of LNG cold energy for data center computer room recycles distributed energy resource system, including for producing gasification natural gas and mentioning
Take the cold recovery unit of cold energy of liquefied natural gas, which is characterized in that further include:
Computer room cooling unit, the cooling use of cabinet for the cold energy of liquefied natural gas to be provided to data center computer room；
Cold-storage unit, the spare cold source of the cabinet for the cold energy of liquefied natural gas to be saved as to data center computer room；
Compressed air cooling unit, it is for compressed air and using the cold energy of liquefied natural gas that compressed air is cooling；
Fuel gas generation unit, for the gasification natural gas power of burning；
Cold recovery unit, compressed air cooling unit, the series connection of fuel gas generation unit；
Cold recovery unit is connect with computer room cooling unit, cold-storage unit respectively；
High-temperature flue gas refrigeration unit, it is cooling for the cabinet of data center computer room for producing chilled water；
Low-temperature flue gas heating unit, for producing domestic hot-water；
Fuel gas generation unit connects high-temperature flue gas refrigeration unit, high-temperature flue gas refrigeration unit connects low-temperature flue gas heating unit.
2. the LNG cold energy according to claim 1 for data center computer room recycles distributed energy resource system, which is characterized in that
The cold recovery unit includes LNG storage tank (1), First Heat Exchanger (2), the second heat exchanger (3), third heat exchanger (4), the 4th
Heat exchanger (5), the first eg pump (6), ethylene glycol storage tank (19), natural gas line, ethylene glycol pipeline, the LNG storage tank
(1) it is connect with First Heat Exchanger (2), the First Heat Exchanger (2) and the second heat exchanger (3) are formed back by natural gas line
Road, the First Heat Exchanger (2) and third heat exchanger (4) are formed into a loop by natural gas line, and First Heat Exchanger (2) passes through day
Right feed channel connects the 4th heat exchanger (5), and the 4th heat exchanger (5) connects fuel gas generation unit, ethylene glycol by natural gas line
Storage tank (19) is separately connected the second heat exchanger (3), third heat exchanger by third eg pump (20) and ethylene glycol pipeline
(4), the 4th heat exchanger (5), third heat exchanger (4) and the 4th heat exchanger (5) are in turn connected to form first with cold-storage unit respectively
Cold-storage circuit and the second cold-storage circuit, third heat exchanger (4) are sequentially connected with computer room freezing unit respectively with the 4th heat exchanger (5)
The first computer room refrigerating circuit and the second computer room refrigerating circuit are formed, the second heat exchanger (3), compressed air cooling unit are sequentially connected
Form compressed air circuit, first cold-storage circuit, the second cold-storage circuit, the first computer room refrigerating circuit, the freezing of the second computer room
Circuit, compressed air circuit pipeline be ethylene glycol pipeline.
3. the LNG cold energy according to claim 2 for data center computer room recycles distributed energy resource system, which is characterized in that
The computer room cooling unit includes the 5th heat exchanger (12), Constant pressure tank (13), freezing realized ethylene glycol and freeze hydrothermal exchange
Water pump (18), cabinet (14), the entrance of the ethylene glycol side of the 5th heat exchanger (12) be respectively communicated with third heat exchanger (4) with
4th heat exchanger (5), the ethylene glycol side outlet section connection of the 5th heat exchanger (12) are respectively communicated with third heat exchanger (4) and change with the 4th
The chilled water side outlet section of hot device (5), the 5th heat exchanger (12) passes through chilled water pump (18) connection cabinet (14), the 5th heat exchanger
(12) chilled water side entrance section connection cabinet, the Constant pressure tank (13) access the chilled water side outlet section of the 5th heat exchanger (12)
Between chilled water pump (18).
4. the LNG cold energy according to claim 2 for data center computer room recycles distributed energy resource system, which is characterized in that
The compressed air cooling unit is surface air cooler (9).
5. the LNG cold energy according to claim 4 for data center computer room recycles distributed energy resource system, which is characterized in that
The fuel gas generation unit includes gas turbine (10) and generator (11), the 4th heat exchange of input terminal connection of the gas turbine
Device (5) and surface air cooler (9), output end connect generator (11).
6. the LNG cold energy according to claim 5 for data center computer room recycles distributed energy resource system, which is characterized in that
The high-temperature flue gas refrigeration unit includes that flue gas type direct-fired machine (16), chilled water pump (18) and cabinet (14), the flue gas type are straight
The input terminal of combustion engine (16) connects gas turbine (10), produces chilled water for high-temperature flue gas when receiving power generation and exports, institute
The output end for stating flue gas type direct-fired machine (16) is connected to cabinet (14) by chilled water pump (18).
7. the LNG cold energy according to claim 6 for data center computer room recycles distributed energy resource system, which is characterized in that
The low-temperature flue gas heating unit includes heat recovery apparatus (17) and boiler (15), the input terminal of the heat recovery apparatus (17)
It is connect with flue gas type direct-fired machine (16), for heating after receiving low-temperature flue gas when flue gas type direct-fired machine produces chilled water, heat is returned
The output end of receiving apparatus (17) connects boiler (15).
8. the LNG cold energy according to claim 5 for data center computer room recycles distributed energy resource system, which is characterized in that
The high-temperature flue gas refrigeration unit further includes waste heat boiler, and for the recycling of waste heat, the waste heat boiler input terminal connects combustion gas
Turbine (10), output end connect flue gas type direct-fired machine (16).
9. the LNG cold energy according to claim 2 for data center computer room recycles distributed energy resource system, which is characterized in that
The First Heat Exchanger (2), the second heat exchanger (3), third heat exchanger (4), the 4th heat exchanger (5) are plate-fin heat exchanger,
5th heat exchanger (12) is plate heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721849399.6U CN208205554U (en) | 2017-12-26 | 2017-12-26 | A kind of LNG cold energy recycling distributed energy resource system for data center computer room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721849399.6U CN208205554U (en) | 2017-12-26 | 2017-12-26 | A kind of LNG cold energy recycling distributed energy resource system for data center computer room |
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| Publication Number | Publication Date |
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| CN208205554U true CN208205554U (en) | 2018-12-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106297A (en) * | 2017-12-26 | 2018-06-01 | 广东申菱环境系统股份有限公司 | A kind of LNG cold energy for data center module recycles distributed energy resource system |
| WO2023279908A1 (en) * | 2021-07-09 | 2023-01-12 | China Energy Investment Corporation Limited | System and method for refueling and backup power generation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108106297A (en) * | 2017-12-26 | 2018-06-01 | 广东申菱环境系统股份有限公司 | A kind of LNG cold energy for data center module recycles distributed energy resource system |
| CN108106297B (en) * | 2017-12-26 | 2023-10-03 | 广东申菱环境系统股份有限公司 | LNG cold energy recovery distributed energy system for data machine room |
| WO2023279908A1 (en) * | 2021-07-09 | 2023-01-12 | China Energy Investment Corporation Limited | System and method for refueling and backup power generation |
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