CN109990502A - Distributed energy resource system and its for cooling method - Google Patents
Distributed energy resource system and its for cooling method Download PDFInfo
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- CN109990502A CN109990502A CN201910303569.8A CN201910303569A CN109990502A CN 109990502 A CN109990502 A CN 109990502A CN 201910303569 A CN201910303569 A CN 201910303569A CN 109990502 A CN109990502 A CN 109990502A
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- triple valve
- lithium bromide
- bromide chiller
- absorption lithium
- water
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B15/00—Sorption machines, plants or systems, operating continuously, e.g. absorption type
- F25B15/02—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas
- F25B15/06—Sorption machines, plants or systems, operating continuously, e.g. absorption type without inert gas the refrigerant being water vapour evaporated from a salt solution, e.g. lithium bromide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/62—Absorption based systems
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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)
- Materials Engineering (AREA)
- Sorption Type Refrigeration Machines (AREA)
Abstract
The invention proposes a kind of distributed energy resource system and its for cooling method, wherein distributed energy resource system includes: absorption lithium bromide chiller and its false load device, gas internal-combustion engine, heating plant, the first triple valve and the second triple valve；Wherein, when the operation of absorption lithium bromide chiller load miss the mark requires, heating plant provides heat source to false load device, the chilled water of absorption lithium bromide chiller is set to pass through false load device, and carry the heat in false load device and return in absorption lithium bromide chiller, realize the loading procedure of absorption lithium bromide chiller；When the operation of absorption lithium bromide chiller load reaches target call, the chilled water of absorption lithium bromide chiller is made to access cold water user.The system can be realized under the premise of not influencing cooling supply safety by false load device to absorption lithium bromide chiller loading procedure, and can be realized unit loading procedure and normally for the switching of cold state, improve safety, the reliability and stability of cooling supply.
Description
Technical field
The present invention relates to energy supply technical field more particularly to a kind of distributed energy resource systems and a kind of distributed energy
System for cooling method.
Background technique
Data center carries out cold electricity supply by the way of the Distribution of Natural formula energy more and more, general using " combustion
The cold source scheme of gas internal combustion engine+lithium-bromide absorption-type refrigerating machine (hereinafter referred to as absorption lithium bromide chiller)+standby electricity refrigeration ",
While i.e. gas internal-combustion engine generates electricity, jacket water and flue gas are each led into absorption lithium bromide chiller, utilizing waste heat for refrigeration is utilized.
Why freezed using this scheme, be because many areas are using step price, electricity price is lower when paddy, is freezed cost using electricity
It is lower；Electricity price is higher when peak, and using lithium bromide chiller refrigeration, cost is relatively low.This scheme had both realized the redundancy of safe cooling supply
Amount, and bring lower operating cost.But this scheme, which needs absorption lithium bromide chiller and standby electricity to freeze two kinds, to be supplied
Cold mode frequent switching, current absorption lithium bromide chiller is about 35min from zero to starting time at full capacity, partially absorbs formula
Lithium bromide chiller producer can accomplish 15min under laboratory, but still larger with the starting lead time of electricity refrigeration, therefore
User's terminal stabilization Cooling seems particularly critical in the absorption lithium bromide chiller starting period.
In order to realize user's terminal stabilization cooling supply purpose within the absorption lithium bromide chiller starting period, at present usually
Using method be electricity refrigeration by the way of slowly off-load, absorption lithium bromide chiller are slowly loaded and be gradually added.However, this side
Formula needs electric refrigerating machine to carry out real-time tracking matching to total cooling ability and quality, since data center is to cold very sensitive, when
It is cold supply not in time when may cause serious consequence, there are security risks for this switching mode, especially in absorption lithium bromide machine
In group system debugging process, this mode not only influences safe cooling supply, it is also possible to can impact to electric refrigeration system.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose a kind of distributed energy resource system, which can not influence cooling supply safety by false load device
Under the premise of realize to absorption lithium bromide chiller loading procedure, and can be realized unit loading procedure and normally cutting for cold state
It changes, improves safety, the reliability and stability of cooling supply.
It is another object of the present invention to propose a kind of distributed energy resource system for cooling method.
To achieve the above object, first aspect present invention embodiment proposes a kind of distributed energy resource system, comprising: absorbs
Formula lithium bromide chiller and its false load device；Gas internal-combustion engine, the gas internal-combustion engine jacket water pipe outlet connection described in
The jacket water entrance of the liquid heat source import of absorption lithium bromide chiller, the gas internal-combustion engine connects the absorption bromine
Change the liquid thermal source outlet of lithium group, the flue outlet of the gas internal-combustion engine connects the gas of the absorption lithium bromide chiller
The gas heat source of body heat source import, the absorption lithium bromide group is exported for flue gas to be discharged；Heating plant, the heating plant
For providing heat source to the false load device；The first end connection of first triple valve, first triple valve is described absorption
The chilled water pipe outlet of lithium bromide chiller, the second end of first triple valve are connected described cold by chilled water output channel
The third end of water user, first triple valve connect the chilled water entrance of the false load device；Second triple valve, institute
The first end for stating the second triple valve connects the chilled water entrance of the absorption lithium bromide chiller, second triple valve
Second end connects the cold water user by chilled water return duct, and the third end of second triple valve connects the fictitious load
The chilled water pipe outlet of device；
Wherein, when the operation of absorption lithium bromide chiller load miss the mark requires, the heating plant is given
The false load device provides heat source, and the first end of first triple valve is connected to the third end of first triple valve, institute
The first end for stating the second triple valve is connected to the third end of second triple valve, so that the absorption lithium bromide chiller is cold
Freeze water by the false load device, and carries the heat in the false load device back to the absorption lithium bromide chiller
In, realize the loading procedure of the absorption lithium bromide chiller；When the operation load of the absorption lithium bromide chiller reaches institute
When stating target call, the first end of first triple valve is connected to the second end of first triple valve, second threeway
The first end of valve is connected to the second end of second triple valve, so that the chilled water of the absorption lithium bromide chiller accesses institute
State cold water user.
Distributed energy resource system according to an embodiment of the present invention can be loaded in the operation of absorption lithium bromide chiller and not reached
When to target call, make the chilled water of absorption lithium bromide chiller by false load device, and carry the heat in false load device
Amount returns in absorption lithium bromide chiller, realizes the loading procedure of absorption lithium bromide chiller, until the fortune of lithium bromide chiller
Row load reaches target call.The system can not influence the cold safety of user and stable by false load device as a result,
Under the premise of realize the loading procedure of absorption lithium bromide chiller, and will not be reached to user's cooling supply in its operation load in load
To target call Shi Caixiang user's cooling supply, to improve the safety of cooling supply, reliability and stability.
In addition, distributed energy resource system according to the above embodiment of the present invention can also have following additional technology special
Sign:
According to one embodiment of present invention, the heating plant includes: cooling tower；Third triple valve, the described 3rd 3
The first end of port valve connects the cooling tower by coolant outlet hose road, and the second end of the third triple valve connects the suction
The third end of the cooling water pipeline entrance of receipts formula lithium bromide group, the third triple valve connects the cooling water of the false load device
Pipe outlet；The first end of 4th triple valve, the 4th triple valve connects the cooling tower, institute by cooling water return duct
The second end for stating the 4th triple valve connects the cooling water pipeline outlet of the absorption lithium bromide group, and the of the 4th triple valve
Three ends connect the cooling water pipeline entrance of the false load device；Wherein, when the operation of the absorption lithium bromide chiller loads
When miss the mark requires, the second end of the 4th triple valve is connected to the third end of the 4th triple valve, the third
The third end of triple valve is connected to the second end of the third triple valve, so that the cooling water of the absorption lithium bromide chiller connects
Enter the false load device, to give the false load device heat supply；When the operation load of the absorption lithium bromide chiller reaches
When the target call, the first end of the 4th triple valve is connected to the second end of the 4th triple valve, and the described 3rd 3
The first end of port valve is connected to the second end of the third triple valve, so that the cooling water of the absorption lithium bromide chiller accesses
The cooling tower.
According to one embodiment of present invention, the distributed energy resource system, further includes: cylinder sleeve water radiator, the cylinder
The jacket water pipe outlet of set water radiator connects the jacket water entrance of the gas internal-combustion engine, the cylinder sleeve water radiator
Jacket water entrance connect the jacket water pipe outlet of the gas internal-combustion engine.
According to one embodiment of present invention, the heat-supplying mode of the heating plant includes: to utilize the absorption bromination
The heating of lithium unit is heated and is utilized using gas internal-combustion engine heating, using earth source heat pump heating, using solar water heater
One of boiler heating is a variety of.
According to one embodiment of present invention, described to include fume afterheat system using the absorption lithium bromide chiller heating
One of heat, the heating of jacket water waste heat and direct combustion heating are a variety of.
According to one embodiment of present invention, it is described using the gas internal-combustion engine heating include jacket water heat exchange, in it is cold
One of water heat exchange and lubricating oil heat exchange are a variety of.
According to one embodiment of present invention, the false load device includes heat-accumulator tank, dividing wall type heat exchanger, hybrid changes
One of hot device and loop-type heat exchanger.
To achieve the above object, second aspect of the present invention propose a kind of distributed energy resource system for cooling method, it is described
For cooling method for distributed energy resource system described in first aspect present invention embodiment, this for cooling method the following steps are included:
Obtain the operation load of the absorption lithium bromide chiller；When the operation of the absorption lithium bromide chiller loads miss the mark
It is required that when, heat source is provided to the false load device of the absorption lithium bromide chiller by the heating plant, and described in control
The first end of first triple valve is connected to the third end of first triple valve, the first end of second triple valve and described the
The third end of two triple valves is connected to, so that the chilled water of the absorption lithium bromide chiller passes through the false load device, and is taken
It is returned in the absorption lithium bromide chiller with the heat in the false load device, realizes the absorption lithium bromide chiller
Loading procedure；When the operation of absorption lithium bromide chiller load reaches the target call, control the described 1st
The first end of port valve is connected to the second end of first triple valve, the first end of second triple valve and second threeway
The second end of valve is connected to, so that the chilled water of the absorption lithium bromide chiller accesses the cold water user.
Distributed energy resource system according to an embodiment of the present invention for cooling method, obtain absorption lithium bromide chiller first
Operation load makes absorption lithium bromide chiller then when the operation load miss the mark of absorption lithium bromide chiller requires
Chilled water by false load device, and carry the heat in false load device back in absorption lithium bromide chiller, realize
The loading procedure of absorption lithium bromide chiller；When the operation load of absorption lithium bromide chiller reaches target call, make to absorb
The chilled water of formula lithium bromide chiller accesses cold water user.This method can not influence user with cold safety by false load device
Be under the premise of stabilization realize the loading procedure of absorption lithium bromide chiller, and load when will not be to user's cooling supply, at it
Operation load reaches target call Shi Caixiang user's cooling supply, to improve the safety of cooling supply, reliability and stability.
In addition, can also having for cooling method for distributed energy resource system according to the above embodiment of the present invention is following additional
Technical characteristic:
According to one embodiment of present invention, the heating plant includes cooling tower, third triple valve and the 4th triple valve,
It is described for cooling method further include: when the operation of absorption lithium bromide chiller load miss the mark requires, described in control
The second end of 4th triple valve is connected to the third end of the 4th triple valve, the third end of the third triple valve and described the
The second end of three triple valves is connected to, so that the cooling water of the absorption lithium bromide chiller accesses the false load device, it will be hot
Amount release is into the false load device；When the operation of absorption lithium bromide chiller load reaches the target call,
The first end for controlling the 4th triple valve is connected to the second end of the 4th triple valve, the first end of the third triple valve
It is connected to the second end of the third triple valve, so that the cooling water of the absorption lithium bromide chiller accesses the cooling tower.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of distributed energy resource system according to an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of distributed energy resource system according to an embodiment of the invention；
Fig. 3 is the flow chart for cooling method of distributed energy resource system according to an embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings the distributed energy resource system of the embodiment of the present invention and the cooling supply side of distributed energy resource system are described
Method.
Fig. 1 is the structural schematic diagram of distributed energy resource system according to an embodiment of the present invention.
As shown in Figure 1, the distributed energy resource system 100 of the embodiment of the present invention includes: absorption lithium bromide chiller 10, absorbs
False load device 20, gas internal-combustion engine 30, heating plant 40, the first triple valve A and the second triple valve B of formula lithium bromide chiller.
Wherein, the jacket water pipe outlet of gas internal-combustion engine 30 connect the liquid heat source of absorption lithium bromide chiller 10 into
Mouthful, the jacket water entrance of gas internal-combustion engine 30 connects the liquid thermal source outlet of absorption lithium bromide chiller 10, combustion gas internal combustion
The flue outlet of machine 30 connects the gas heat source import of absorption lithium bromide chiller 10, the gas of absorption lithium bromide group 30
Thermal source outlet is for being discharged flue gas；Heating plant 40 is used to provide heat source to false load device 20；The first end of first triple valve A
The second end 2 of the chilled water pipe outlet of the 1 absorption lithium bromide chiller 10 of connection, the first triple valve A passes through freezing water delivery pipe
Road connects cold water user 200, and the third end 3 of the first triple valve A connects the chilled water entrance of false load device 20；Two or three
The first end 1 of port valve B connects the chilled water entrance of absorption lithium bromide chiller 10, and the second end 2 of the second triple valve B passes through
Chilled water return duct connects cold water user 200, and the third end 3 of the second triple valve B connects the chilled water pipe of false load device 20
Road outlet.
In the distributed energy resource system 100 of the embodiment, when the operation load of absorption lithium bromide chiller 10 is not up to
When target call, heating plant 40 provides heat source, the first end of the first triple valve A and 1 first triple valve A to false load device 20
Third end 3 be connected to, the first end 1 of the second triple valve B is connected to the third end 3 of the second triple valve B, so that absorption lithium bromide
The chilled water of unit 10 carries the heat in false load device 20 back to absorption lithium bromide machine by false load device 20
In group 10, the loading procedure of absorption lithium bromide chiller 10 is realized；When the operation load of absorption lithium bromide chiller 10 reaches mesh
When mark requires, the first end A of the first triple valve A is connected to the second end 2 of the first triple valve A, the first end 1 of the second triple valve B
It is connected to the second end 2 of the second triple valve B, so that the chilled water of absorption lithium bromide chiller 10 accesses cold water user 200.
In one embodiment of the invention, as shown in Fig. 2, heating plant 40 can include: cooling tower 41, third triple valve
C and the 4th triple valve D.
Wherein, the first end 1 of third triple valve C connects cooling tower 41 by coolant outlet hose road, third triple valve C's
Second end 2 connects the cooling water pipeline entrance of absorption lithium bromide group 10, and the third end of third triple valve C connects false load device
20 cooling water pipeline outlet；The first end 1 of 4th triple valve D by cooling water return duct connect cooling tower 41, the four or three
The second end of port valve D connects the cooling water pipeline outlet of absorption lithium bromide group 10, and the third end connection of the 4th triple valve D is false negative
Carry set 20 cooling water pipeline entrance.
In this embodiment, when the operation of absorption lithium bromide chiller 10 load miss the mark requires, the 4th threeway
The second end 2 of valve D is connected to the third end 3 of the 4th triple valve D, and the of the third end 3 of third triple valve C and third triple valve C
Two ends 2 connection, so that the cooling water of absorption lithium bromide chiller 10 accesses false load device 20, to supply to false load device 20
Heat；When the operation of absorption lithium bromide chiller 10 load reaches target call, the first end 1 and the four or three of the 4th triple valve D
The second end 2 of port valve D is connected to, and the first end 1 of third triple valve C is connected to the second end of third triple valve C, so that absorption bromine
The cooling water for changing lithium unit 10 accesses cooling tower 41.
Specifically, the work of " the absorption lithium bromide chiller 10 of gas internal-combustion engine 30+ " system (i.e. distributed energy resource system 100)
Make principle are as follows: when gas internal-combustion engine 30 is run, after gas internal-combustion engine 30 burns the flue gas that is discharged by flue outlet with
The gas heat source import of absorption lithium bromide chiller 10 is passed through in the high-temperature generator of absorption lithium bromide chiller 10, which adds
Lithium bromide water solution in hot high-temperature generator, so that part water is separated from solution, the part water in ie in solution is by vapour
Change and generate high temperature refrigerant vapour, while solution is concentrated, the solution after concentration enters low temperature after high-temperature heat-exchanging cools down
Device, the jacket water of gas internal-combustion engine 30 pass through the liquid heat source import stream of jacket water pipe outlet and absorption lithium bromide chiller 10
In the cryogenerator for entering absorption lithium bromide chiller 10, the lithium bromide water solution in cryogenerator is heated, so that in solution
Water continue to be vaporized and generate cryogenic coolant steam, while solution is further concentrated, and further the solution after concentration is through low temperature
Enter absorber after heat exchanger cooling, wherein the water as refrigerant that lithium-bromide solution is separated after being heated (namely send out by high temperature
The refrigerant vapour that raw device and cryogenerator generate) successively by absorption lithium bromide chiller 10 condenser and evaporator into
Row processing, is condensed into cooling water by condenser, reduces itself enthalpy, using the heat of evaporator absorption refrigerating water, mention
Itself high enthalpy, reduces the temperature of chilled water, to achieve the purpose that cooling supply.
Specifically, when absorption lithium bromide chiller 10 opens machine, if the operation load of absorption lithium bromide chiller 10 is not
Reach target call, then the cooling water of absorption lithium bromide chiller 10 is made to access false load device 20, to give false load device 20
Heat supply, in other words, the cooling water reject heat in false load device 20, then return absorption lithium bromide chiller 10
In；The chilled water of absorption lithium bromide chiller 10 is set to access false load device 20, which absorbs heat in false load device 20
It measures and accesses in the evaporator of absorption lithium bromide chiller 10, so realize the loading procedure of absorption lithium bromide chiller 10,
Until the operation load of absorption lithium bromide chiller 10 reaches target call；If the operation load of absorption lithium bromide chiller 10 reaches
To target call, then it opens machine completion, so that the cooling water of absorption lithium bromide chiller 10 is accessed cooling tower 41, cooling tower 41 makes this
Cooling water temperature makes the chilled water of absorption lithium bromide chiller 10 access cold water user 200, so that the distributed energy system
System 100, which enters, to carry out normally for cold state, i.e., by the on-state of the first triple valve D of triple valve A~the 4th of control, realizes
The loading procedure of absorption lithium bromide chiller 10 and the switching of normal cooling supply.
It is understood that jacket water can refer to the cooling water for taking away the cylinder sleeve heat of gas internal-combustion engine 30, it is common
Medium can be glycol water, softened water etc., and temperature is generally between 70 DEG C~100 DEG C, absorption lithium bromide group 30
The flue-gas temperature of discharge is generally between 300 DEG C~600 DEG C.
In this embodiment, false load device 40 may include heat-accumulator tank, dividing wall type heat exchanger, direct contact heat exchanger and return
One of road formula heat exchanger.
It should be noted that needing heating plant 40 to select suitably when false load device 40 is direct contact heat exchanger
Heat-supplying mode is that false load device 40 provides heat source, which is different from heat-accumulator tank, dividing wall type heat exchanger, loop-type heat exchange
The heat-supplying mode of device.
The distributed energy resource system of the embodiment of the present invention can carry out absorption lithium bromide chiller by false load device
Loading procedure, and during loading will not to user's cooling supply, when its operation load reaches target call to user's cooling supply, from
And improve the safety of cooling supply, reliability and stability；It can be realized by the cooling water of absorption lithium bromide chiller to vacation
The heat supply of load device makes full use of the waste heat in system, energy saving, good economy performance.
In one embodiment of the invention, referring to Fig. 2, the distributed energy resource system 100 of the embodiment further include in it is cold
Water radiator 50, the middle cooling water inlet of the middle cold water pipes outlet connection gas internal-combustion engine 30 of middle cold water radiator 50, middle cold water
The middle cooling water outlet of the middle cold water pipes entrance connection gas internal-combustion engine 30 of radiator 50.
Wherein, middle cold water can refer to the cooling water for taking away 30 intercooler heat of gas internal-combustion engine, and common medium is second
Two alcohol solutions, softened water etc., temperature is generally between 40 DEG C~60 DEG C.
Further, referring to Fig. 2, the distributed energy resource system 100 of the embodiment may also include cylinder sleeve water radiator 60, cylinder
The jacket water entrance of the jacket water pipe outlet connection gas internal-combustion engine 30 of water radiator 60 is covered, cylinder sleeve water radiator 60
The jacket water pipe outlet of jacket water entrance connection gas internal-combustion engine 30.
Optionally, referring to Fig. 2, the distributed energy resource system 100 of the embodiment may also include two chimneys 70, one of cigarette
The flue entrance of chimney 70 connects the gas heat source outlet of absorption lithium bromide chiller 10, for discharging absorption lithium bromide machine
The flue gas of 10 discharge of group；The flue outlet of the flue entrance connection gas internal-combustion engine 30 of another chimney 70, is used for
Discharge the partial fume that gas internal-combustion engine 30 is discharged.
In one example, the heat-supplying mode of heating plant 40 may be used also other than the cooling water heat supply in above-described embodiment
With include: using absorption lithium bromide chiller 10 heating, using gas internal-combustion engine 30 heating, utilize earth source heat pump heating, utilize
One of solar energy hot and utilization boiler heating are a variety of.
Specifically, cold and hot exchange can be carried out by geothermal energy resources (i.e. can: underground water, soil or surface water) as ground
The heat source of source heat pump, the heat " taking " in geothermal resource come out, and the heat is utilized to carry out heat supply.
It further, may include fume afterheat heating, the heating of jacket water waste heat using the heating of absorption lithium bromide chiller 10
With direct combustion heating one of or it is a variety of.
Specifically, fume afterheat heating can are as follows: the cigarette that will be discharged from the outlet of the gas heat source of absorption lithium bromide chiller 10
Gas accesses false load device 20, to give 20 heat supply of false load device；Cylinder sleeve is that the heating of water waste heat can are as follows: will be from absorption lithium bromide
The jacket water of the liquid thermal source outlet discharge of unit 10 intervenes false load device 20, to give 20 heat supply of false load device.
It further, may include that jacket water heat exchange, the heat exchange of middle cold water and lubricating oil change using the heating of gas internal-combustion engine 30
That hankers is one or more.
Specifically, jacket water heat exchange and the heat exchange of middle cold water may respectively be: will go out from the cylinder sleeve waterpipe of gas internal-combustion engine 30
The jacket water of mouth discharge accesses false load device 20, will connect from the middle cold water of the middle cold water pipes of gas internal-combustion engine 30 outlet discharge
Enter false load device 20, to give 20 heat supply of false load device.
In conclusion the distributed energy resource system of the embodiment of the present invention, carries out absorption lithium bromide by false load device
The load of unit, and in load will not to user's cooling supply, when its operation load reaches target call to user's cooling supply, thus
Improve safety, the reliability and stability of cooling supply；It can be realized using a variety of waste heats in system to false load device
Heat supply makes full use of the waste heat in system, energy saving, good economy performance as a result, and ensure that and exist in absorption lithium bromide chiller
There is sufficient heat in loading procedure.
Fig. 3 is the flow chart for cooling method of distributed energy resource system according to an embodiment of the present invention.
As shown in figure 3, the distributed energy resource system for cooling method the following steps are included:
S1 obtains the operation load of absorption lithium bromide chiller.
S2, when the operation of absorption lithium bromide chiller load miss the mark requires, by heating plant to absorption
The false load device of lithium bromide chiller provides heat source, and controls the first end of the first triple valve and the third end company of the first triple valve
Logical, the first end of the second triple valve is connected to the third end of the second triple valve, so that the chilled water of absorption lithium bromide chiller is logical
False load device is crossed, and carries the heat in false load device and returns in absorption lithium bromide chiller, realizes absorption bromination
The loading procedure of lithium unit.
S3 controls the first end of the first triple valve when the operation of absorption lithium bromide chiller load reaches target call
It is connected to the second end of the first triple valve, the first end of the second triple valve is connected to the second end of the second triple valve, so as to absorb
The chilled water of formula lithium bromide chiller accesses cold water user.
In one embodiment of the invention, heating plant includes cooling tower, third triple valve and the 4th triple valve, cooling supply
Method further include: when the operation of absorption lithium bromide chiller load miss the mark requires, the second of the 4th triple valve of control
End is connected to the third end of the 4th triple valve, and the third end of third triple valve is connected to the second end of third triple valve, so as to inhale
The cooling water of receipts formula lithium bromide chiller accesses false load device, and heat is discharged into false load device；When absorption lithium bromide
When the operation load of unit reaches target call, the first end of the 4th triple valve of control is connected to the second end of the 4th triple valve,
The first end of third triple valve is connected to the second end of third triple valve, so that the cooling water access of absorption lithium bromide chiller is cold
But tower.
It should be noted that other specific embodiments for cooling method of the distributed energy resource system of the embodiment of the present invention
It can be found in the specific embodiment of the distributed energy resource system of the above embodiment of the present invention.
The distributed energy resource system of the embodiment of the present invention for cooling method, absorption lithium bromide is carried out by false load device
The load of unit, and in load will not to user's cooling supply, when its operation load reaches target call to user's cooling supply, thus
Improve safety, the reliability and stability of cooling supply；It can be realized by the cooling water of absorption lithium bromide chiller negative to vacation
The heat supply set is carried, the waste heat in system, energy saving, good economy performance are made full use of.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
One or more embodiment or examples in can be combined in any suitable manner.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (10)
1. a kind of distributed energy resource system characterized by comprising
Absorption lithium bromide chiller and its false load device；
Gas internal-combustion engine, the jacket water pipe outlet of the gas internal-combustion engine connect the liquid heat of the absorption lithium bromide chiller
Source import, the jacket water entrance of the gas internal-combustion engine connect the liquid thermal source outlet of the absorption lithium bromide group, institute
The flue outlet for stating gas internal-combustion engine connects the gas heat source import of the absorption lithium bromide chiller, the absorption bromine
The gas heat source for changing lithium group is exported for flue gas to be discharged；
Heating plant, the heating plant are used to provide heat source to the false load device；
First triple valve, the chilled water pipe that the first end of first triple valve connects the absorption lithium bromide chiller are said
Mouthful, the second end of first triple valve connects the cold water user by chilled water output channel, first triple valve
Third end connects the chilled water entrance of the false load device；
Second triple valve, the chilled water pipeline that the first end of second triple valve connects the absorption lithium bromide chiller enter
Mouthful, the second end of second triple valve connects the cold water user by chilled water return duct, second triple valve
Third end connects the chilled water entrance of the false load device；
Wherein, when the operation of absorption lithium bromide chiller load miss the mark requires, the heating plant is to described
False load device provides heat source, and the first end of first triple valve is connected to the third end of first triple valve, and described the
The first end of two triple valves is connected to the third end of second triple valve, so that the chilled water of the absorption lithium bromide chiller
By the false load device, and carries the heat in the false load device and returns in the absorption lithium bromide chiller,
Realize the loading procedure of the absorption lithium bromide chiller；
When the operation of absorption lithium bromide chiller load reaches the target call, the first end of first triple valve
It is connected to the second end of first triple valve, the second end of the first end of second triple valve and second triple valve connects
It is logical, so that the chilled water of the absorption lithium bromide chiller accesses the cold water user.
2. distributed energy resource system according to claim 1, which is characterized in that the heating plant includes:
Cooling tower；
Third triple valve, the first end of the third triple valve connect the cooling tower by coolant outlet hose road, and described the
The second end of three triple valves connects the cooling water pipeline entrance of the absorption lithium bromide group, the third end of the third triple valve
Connect the cooling water pipeline outlet of the false load device；
4th triple valve, the first end of the 4th triple valve connect the cooling tower by cooling water return duct, and described the
The second end of four triple valves connects the cooling water pipeline outlet of the absorption lithium bromide group, the third end of the 4th triple valve
Connect the cooling water pipeline entrance of the false load device；
Wherein, when the operation of absorption lithium bromide chiller load miss the mark requires, the of the 4th triple valve
Two ends are connected to the third end of the 4th triple valve, the third end of the third triple valve and the second of the third triple valve
End connection, so that the cooling water of the absorption lithium bromide chiller accesses the false load device, to give the false load device
Heat supply；
When the operation of absorption lithium bromide chiller load reaches the target call, the first end of the 4th triple valve
It is connected to the second end of the 4th triple valve, the second end of the first end of the third triple valve and the third triple valve connects
It is logical, so that the cooling water of the absorption lithium bromide chiller accesses the cooling tower.
3. distributed energy resource system according to claim 1, which is characterized in that further include:
Middle cold water radiator, the middle cold water pipes outlet of the middle cold water radiator connect the middle cold water of the gas internal-combustion engine into
Mouthful, the middle cold water pipes entrance of the middle cold water radiator connects the middle cooling water outlet of the gas internal-combustion engine.
4. distributed energy resource system according to claim 3, which is characterized in that further include:
The jacket water pipe outlet of cylinder sleeve water radiator, the cylinder sleeve water radiator connects the cylinder sleeve water pipe of the gas internal-combustion engine
The jacket water entrance of road entrance, the cylinder sleeve water radiator connects the jacket water pipe outlet of the gas internal-combustion engine.
5. distributed energy resource system according to claim 1, which is characterized in that the heat-supplying mode packet of the heating plant
It includes: heating, utilizes earth source heat pump heating, utilizes using the absorption lithium bromide chiller heating, using the gas internal-combustion engine
Solar water heater heats and utilizes one or more of boiler heating.
6. distributed energy resource system according to claim 5, which is characterized in that utilize the absorption lithium bromide chiller system
Heat includes one of fume afterheat heating, the heating of jacket water waste heat and direct combustion heating or a variety of.
7. distributed energy resource system according to claim 5, which is characterized in that include using gas internal-combustion engine heating
One of jacket water heat exchange, the heat exchange of middle cold water and lubricating oil heat exchange are a variety of.
8. distributed energy resource system according to claim 1, which is characterized in that the false load device include heat-accumulator tank,
One of dividing wall type heat exchanger, direct contact heat exchanger and loop-type heat exchanger.
9. a kind of distributed energy resource system for cooling method, it is described to be used for as described in any one of claim 1-8 for cooling method
Distributed energy resource system, which comprises the following steps:
Obtain the operation load of the absorption lithium bromide chiller；
When the operation of absorption lithium bromide chiller load miss the mark requires, the suction is given by the heating plant
The false load device of receipts formula lithium bromide chiller provides heat source, and controls the first end and first threeway of first triple valve
The third end of valve is connected to, and the first end of second triple valve is connected to the third end of second triple valve, so that the suction
The chilled water of receipts formula lithium bromide chiller carries the heat in the false load device back to institute by the false load device
It states in absorption lithium bromide chiller, realizes the loading procedure of the absorption lithium bromide chiller；
When the operation of absorption lithium bromide chiller load reaches the target call, the of first triple valve is controlled
One end is connected to the second end of first triple valve, and the second of the first end of second triple valve and second triple valve
End connection, so that the chilled water of the absorption lithium bromide chiller accesses the cold water user.
10. distributed energy resource system according to claim 9 for cooling method, which is characterized in that the heating plant packet
Cooling tower, third triple valve and the 4th triple valve are included, it is described for cooling method further include:
When the operation of absorption lithium bromide chiller load miss the mark requires, the second of the 4th triple valve is controlled
End is connected to the third end of the 4th triple valve, the second end at the third end of the third triple valve and the third triple valve
Connection discharges heat to described false negative so that the cooling water of the absorption lithium bromide chiller accesses the false load device
It carries in setting；
When the operation of absorption lithium bromide chiller load reaches the target call, the of the 4th triple valve is controlled
One end is connected to the second end of the 4th triple valve, and the second of the first end of the third triple valve and the third triple valve
End connection, so that the cooling water of the absorption lithium bromide chiller accesses the cooling tower.
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| CN201910303569.8A CN109990502A (en) | 2019-04-16 | 2019-04-16 | Distributed energy resource system and its for cooling method |
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