CN110375569A - A kind of accumulation of energy cooling system and its adjusting method - Google Patents
A kind of accumulation of energy cooling system and its adjusting method Download PDFInfo
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- CN110375569A CN110375569A CN201910523582.4A CN201910523582A CN110375569A CN 110375569 A CN110375569 A CN 110375569A CN 201910523582 A CN201910523582 A CN 201910523582A CN 110375569 A CN110375569 A CN 110375569A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D2020/006—Heat storage systems not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
- F28D2020/0069—Distributing arrangements; Fluid deflecting means
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The invention discloses a kind of cooling system and its adjusting method with accumulation of energy.Cooling system includes ventilation device, heat medium distribution system, cooling system, cooling medium collection system and at least one medium storage tank etc..Medium distribution system includes several range pipe roads, and parallel connection is connect with cooling system.In spring, summer, Qiu Sanji, utilize night preferable cooling condition, increase the flow of medium pump as far as possible, system cooling capacity surplus under environmental condition is made full use of to cool down heat medium, so that the medium temperature of system is integrally gradually reduced, so that the medium temperature in medium storage tank is gradually reduced, achieve the effect that Chu Leng.When cooling system low-temperature end temperature is too low, the flow of medium pump is gradually increased, to heat using the medium stored in medium storage tank to cooling system.The present invention has many advantages, such as that easy to adjust, system is safe and reliable, evenly heat is high-efficient.
Description
Technical field
The present invention relates to a kind of accumulation of energy cooling system and its adjusting method, belongs to energy stores and utilize field.
Background technique
Circulating water cooling system is related to the cold end system in power plant, is to establish steam turbine vacuum, and cold end heat source is taken away
Necessary condition.However influenced by variation of ambient temperature, most of unit faces power output not in the higher situation of summer temp
Foot, and demands for security (surface-type circulating cooling unit) is waited because antifreeze in winter, it is forced to operate in high back pressure, high power consumption state,
Very big challenge is all brought to economic, the safe and stable operation of unit, load responding etc..
Summary of the invention
The purpose of the present invention is to provide a kind of accumulation of energy cooling system and its adjusting methods, by using (cold) dress of accumulation of energy
It sets, cold source is largely accumulated using night preferable cooling condition in spring, summer, Qiu Sanji, for using when hot weather on daytime；?
In the lower situation of winter temperature, heat dissipation is reduced by increasing the flow of branch feed pump using a large amount of recirculated water heat sources of accumulation
The danger of general ability portion low temperature bursting by freezing, and winter rare cooling condition is made full use of, unit back pressuce is greatly reduced, improves unit effect
Rate.
The present invention is achieved through the following technical solutions:
A kind of accumulation of energy cooling system, including ventilation device, heat medium pipeline, heat medium distribution system, cooling system, cooling
Medium collection system, cold medium pipeline and medium pump, the heat medium pipeline, heat medium distribution system, cooling system and ventilation
Device is sequentially connected；The cold medium pipeline is connected by cooling medium collection system with cooling system, the medium pump setting
On the cold medium pipeline or heat medium pipeline；It is characterized in that, the system also includes at least one medium storage tank, it is described
Medium storage tank is arranged on the heat medium pipeline or the cold medium pipeline.
In above-mentioned technical proposal, the medium distribution system includes several range pipe roads, several described water distribution branch
Pipeline is connected between heat medium pipeline and cooling system according to parallel arrangement；It is provided on each range pipe road small
Medium pump, each small medium pump are provided with bypass line, and each bypass line is provided with by-passing valve；The system is also set up
There is control valve；When the medium storage tank is arranged on the heat medium pipeline, the control valve is connected to the medium storage
It is connected between tank and the cold medium pipeline；When the medium storage tank be arranged on the cold medium pipeline, the adjusting
Valve is connected between the medium storage tank and the heat medium pipeline and is connected to.
In above-mentioned technical proposal, the system comprises two medium storage tanks, respectively as high temperature medium storage tank and low temperature matchmaker
Matter storage tank, the high temperature medium storage tank are arranged on the heat medium pipeline, and the low temperature medium storage tank is arranged in cold medium
On pipeline, and cooling medium is set between the high temperature medium outlet and the low temperature medium storage tank import and is pumped.
A kind of accumulation of energy cooling means uses above-mentioned accumulation of energy cooling system, which comprises
Make high temperature medium from the user under the draft effect that medium pumps, enters the system from heat medium pipeline；Matchmaker
The flow of matter pump (7) is adjusted according to the cooling requirement of user；
When the medium storage tank is arranged on the heat medium pipeline, high temperature medium is introduced into the medium storage tank again through heat
Enter cooling system after the distribution of medium distribution system, and heat dissipation is strengthened by the ventilation of ventilation device 1；Medium after heat dissipation becomes low
Warm medium is sent to user through cold medium pipeline after collecting by cooling medium collection system；
When the medium storage tank is arranged on the cold medium pipeline, high temperature medium distributes laggard through heat medium distribution system
Enter cooling system, and heat dissipation is strengthened by the ventilation of ventilation device 1；Medium after heat dissipation becomes low temperature medium, passes through cooling medium
After collection system is collected, it is introduced into medium storage tank 8, then be sent to user through cold medium pipeline；
Obtain environment maximum temperature tmax, minimum temperature tminWith real time temperature te；
Set adjustment parameter e0、emax, Δ e, 0 < e0<40℃、20℃<emax< 50 DEG C, 0 < Δ e < 30 DEG C, and emax>tmin+Δ
e、Δe<tmax-tmin；
The representative cryogenic measuring point of selected cooling system, and measure its real-time cryogenic temperature tx；
Work as tmax>emax, and te<tminWhen+Δ e, increase the flow of medium pump, as far as possible to make full use of under the environmental condition
The cooling capacity surplus of the accumulation of energy cooling system cools down high temperature medium so that the medium temperature of system it is whole gradually under
Drop, so that the medium temperature in medium storage tank is gradually reduced, achievees the effect that Chu Leng；
Work as tx<e0When, gradually increase medium pump flow, with using the medium stored in medium storage tank to cooling system into
Row heating, until tx>e0。
In above-mentioned technical proposal, when the medium distribution system includes several range pipe roads, the method is also wrapped
It includes:
Set adjustment parameter f1、f2, 0 < f1<30℃、-50<f2< 0 DEG C, and f2<f1<emax:
Work as tmax>emaxAnd te<tminWhen+Δ e, all small medium pumps are gradually opened, and gradually close all small medium pumps
By-passing valve；Adjustable valve is gradually opened, to control the flow of medium pump, and is gradually increased to the flow that small medium pumps compared with Gao Shui
It is flat, to realize the low-temperature cold accumulation of accumulation of energy cooling system；
Work as tmax>emaxAnd te>tminWhen+Δ e, gradually opens small medium and pump corresponding by-passing valve, and gradually close small medium
Pump and adjustable valve；
Work as tmax<f1And tmin<f2When, all small medium pumps are gradually opened, and gradually close the by-passing valve of small medium pump；
Work as tx<e0When, if the small medium pump on the corresponding range pipe road of cooling system low temperature measuring point is not opened, gradually open
The small medium pump on the range pipe road of cooling system low-temperature end is opened, and gradually closes the by-passing valve of corresponding small medium pump；Gradually
The flow for increasing the corresponding small medium pump of branch pipe, until tx>e0。
In above-mentioned technical proposal, when the system comprises two medium storage tanks, respectively as high temperature medium storage tank and low temperature
When medium storage tank, the method also includes:
Set adjustment parameter f1、f2, and 0 < f1<30℃、-50<f2< 0 DEG C, f2<f1<emax:
Work as tmax>emaxAnd te<tminWhen+Δ e, increase the flow of cooling medium pump, is larger than the flow of medium pump, with
Realize the low-temperature cold accumulation of accumulation of energy cooling system；
Work as te>tminWhen+Δ e, the flow of cooling medium pump is gradually reduced, it is made to be less than the flow of medium pump, is stored with realizing
The high-temperature energy-conservation of energy cooling system, and restore the medium reserves of high temperature medium storage tank；
Work as tmax<f1And tmin<f2When, the flow of raising cooling medium pump, the flow for pumping cooling medium are greater than medium as far as possible
The flow of pump, it is antifreeze to carry out low temperature using the accumulation of energy of high temperature medium storage tank；
Work as tx<e0When, it is stepped up the flow of cooling medium pump, is larger than the flow of medium pump, until tx>e0, with benefit
It is antifreeze that low temperature is carried out in medium storage tank accumulation of energy.
The present invention has the following advantages and beneficial effects: 1. in spring, summer, Qiu Sanji, using night preferable cooling condition,
By using cold-storage medium tank arrangement, cold source is largely accumulated, for using when hot weather on daytime, the flat of unit can be greatly improved
The equal thermal efficiency reduces unit coal consumption, and improves the on-load ability of hot weather unit；2. the lower situation of temperature in winter
Under, using a large amount of recirculated water heat sources of accumulation, and pass through the flow of increased portion branch feed pump, reduces radiator topical hypothermia and freeze
The danger split；3. making full use of the cooling condition that winter is rare, the space of winter back pressure decline is further excavated, machine is greatly reduced
The operation back pressure of group improves unit and is averaged the thermal efficiency.
Detailed description of the invention
Fig. 1 is the accumulation of energy cooling system schematic diagram of one of embodiment involved in the present invention.
Fig. 2 is the accumulation of energy cooling system schematic diagram of another embodiment involved in the present invention.
Fig. 3 is the accumulation of energy cooling system schematic diagram of another embodiment involved in the present invention.
Fig. 4 be it is involved in the present invention include two medium storage tanks accumulation of energy cooling system schematic diagram.
In figure: 1- ventilation device；2- heat medium pipeline；3- heat medium distribution system；4- cooling system；5- is cooling
Medium collection system；6- cold medium pipeline；7- medium pump；8- medium storage tank；9- control valve；10- range pipe road；
The small medium pump of 11-；12- cooling medium pump；13- low temperature measuring point.
Specific embodiment
A specific embodiment of the invention and the course of work are further described with reference to the accompanying drawing.
The positional terms such as the upper, lower, left, right, front and rear in present specification be positional relationship based on the figure and
It establishes.Attached drawing is different, then corresponding positional relationship is also possible to change therewith, therefore cannot be interpreted as with this to protection model
The restriction enclosed.
A kind of accumulation of energy cooling system, including ventilation device 1, heat medium pipeline 2, heat medium distribution system 3, cooling system 4,
Cooling medium collection system 5, cold medium pipeline 6 and medium pump 7, heat medium pipeline 2, heat medium distribution system 3, cooling system 4
It is sequentially connected with ventilation device 1；Cold medium pipeline 6 is connected by cooling medium collection system 5 with cooling system 4, and medium pump 7 is set
It sets on cold medium pipeline 6 or heat medium pipeline 2.System further includes at least one medium storage tank 8, and medium storage tank 8 is arranged in heat
On media conduits 2 (as shown in Figure 1) or cold medium pipeline 6 (as shown in Figure 2).
Obtain environment maximum temperature tmax, minimum temperature tminWith real time temperature te.When cooling system 4 is contact heat dissipation side
When formula, tmax、tminAnd teRefer both to wet-bulb temperature.Meanwhile according to the conditions such as local climate, radiator, system operation situation, setting
Adjustment parameter e0、emax, Δ e, have 0 < e0<40℃、20℃<emax< 50 DEG C, 0 < Δ e < 20 DEG C, and emax>tmin+Δe、Δe<tmax-
tmin,.And low temperature measuring point 13 is arranged in the radiator temperature lower position of cooling system 4, it is low to obtain media side at low temperature measuring point 13
Warm end temperature tx(℃)。
This accumulation of energy cooling system is pumped as a kind of cooling system with accumulation of energy effect, high temperature medium from the user in medium
Under 7 draft effect, enter system from heat medium pipeline, in system shown in Fig. 1, high temperature medium initially enters medium storage tank
8, subsequently by heat medium distribution system, so that high temperature medium even distribution type is entered cooling system 4, and logical by ventilation device 1
Wind strengthens heat dissipation.Medium after heat dissipation becomes low temperature medium, through cold medium pipeline 6 after being collected by cooling medium collection system 5
Return to user.And in system shown in Fig. 2, after high temperature medium is directly entered the distribution of heat medium distribution system, make high temperature medium
Strengthen heat dissipation into cooling system 4, and by the ventilation of ventilation device 1.Medium after heat dissipation becomes low temperature medium, passes through cooling matchmaker
After matter collection system 5 is collected, it is first advanced into medium storage tank 8, then return to user through cold medium pipeline 6.Medium pump 7 is according to user's
Cooling requirement carries out flow adjusting.Medium storage tank 8 has the function of that storage medium, volume size directly influence disengaging system
High/low temperature medium temperature difference degree.And since medium storage tank 8 is often bigger, it is introduced into the medium of medium storage tank 8 often
It first flows out, so that there is also differences for the medium temperature of disengaging medium storage tank 8.So as to increase the power of medium pump 7 at night
And flow, cold medium is stored in advance；It can also be under antifreeze demand, by the room temperature medium stored in medium storage tank 8, to system
Offer is thawed heat source.
Work as tmax>emax, and te<tminWhen+Δ e, environment maximum temperature and minimum temperature differ greatly, by increasing medium
The flow of pump 7 is to higher level, to make full use of the draught capacity of ventilation device 1 to cool down heat medium, so that low temperature matchmaker
Matter, the temperature of high temperature medium are all gradually reduced, thus further such that the medium temperature in medium storage tank 8 is also gradually reduced, with
Realize the low-temperature cold accumulation of accumulation of energy cooling system.
Work as tx<e0When, since environment temperature is lower, so that the local location medium temperature in cooling system 4 is too low, it may
Cause the danger of bursting by freezing.At this point, due to storing the medium under a large amount of nominal situations in medium storage tank 8, temperature is relatively high.Pass through
Increase the flow of medium pump 7, with the medium relatively high using the big amount temperature stored in medium storage tank 8, to cooling system 4 into
Row heating, until tx>e0, so that cooling system 4 avoids the danger of bursting by freezing.
As shown in figure 3, medium distribution system 3 include several range pipe roads 10, several range pipe roads 10 according to
Parallel arrangement, is connected between heat medium pipeline 2 and cooling system 4；Small medium pump 11 is provided on each range pipe road 10,
One bypass of each small 11 setting of medium pump；System is additionally provided with control valve 9.At this point, when medium storage tank 8 is arranged in heat medium
On pipeline 2, control valve 9 is connected between medium storage tank 8 and cold medium pipeline 6 and is connected to；When medium storage tank 8 is arranged cold
On media conduits 6, control valve 9 is connected between medium storage tank 8 and heat medium pipeline 2 and is connected to.
At this point, setting adjustment parameter f1、f2, and 0 < f1<30℃、-50<f2< 0 DEG C, f2<f1<emax:
Work as tmax>emaxAnd te<tminWhen+Δ e, all small medium pumps 11 are gradually opened, and gradually close all small medium pumps
11 by-passing valve；Adjustable valve 9 is gradually opened, to control the flow of medium pump 7, and is gradually increased to the flow that small medium pumps
Higher level, to realize the low-temperature cold accumulation of accumulation of energy cooling system；
Work as tmax>emaxAnd te>tminWhen+Δ e, gradually opens small medium and pump corresponding by-passing valve, and gradually close small medium
Pump 11 and adjustable valve 9；
Work as tmax<f1And tmin<f2When, all small medium pumps 11 are gradually opened, and gradually close the bypass of small medium pump 11
Valve；
Work as tx<e0When, the small medium pump on the range pipe road of 4 low-temperature end of cooling system is gradually opened, and gradually close phase
Answer the by-passing valve of small medium pump；The flow for incrementally increasing the corresponding small medium pump of branch pipe, until tx>e0；
If do not meet above-mentioned condition, according to the flow of user demand changes in flow rate normal regulating medium pump 7.
As shown in figure 4, system includes two medium storage tanks 7, respectively as high temperature medium storage tank and low temperature medium storage tank.It is high
Warm medium storage tank is arranged on heat medium pipeline 2, and low temperature medium storage tank is arranged on cold medium pipeline 6, and in high temperature medium
Cooling medium is set between outlet and low temperature medium storage tank import and pumps 12.
At this point, setting adjustment parameter f1、f2, and < f1<30℃、-50<f2< 0 DEG C, f2<f1<emax:
Work as tmax>emaxAnd te<tminWhen+Δ e, increase the flow of cooling medium pump 12, be larger than the flow of medium pump 7,
To realize the low-temperature cold accumulation of accumulation of energy cooling system；
Work as te>tminWhen+Δ e, the flow of cooling medium pump 12 is gradually reduced, so that it is less than the flow of medium pump 7, with reality
The high-temperature energy-conservation of existing accumulation of energy cooling system, and restore the medium reserves of high temperature medium storage tank；
Work as tmax<f1And tmin<f2When, the flow of raising cooling medium pump 12 as far as possible is greater than the flow of medium pump 7, to utilize
It is antifreeze that the accumulation of energy of high temperature medium storage tank carries out low temperature；
Work as tx<e0When, it is stepped up the flow of cooling medium pump 12, the flow of medium pump 7 is larger than, until tx>e0,
It is antifreeze to carry out low temperature using the accumulation of energy of high temperature medium storage tank；
If do not meet above-mentioned condition, the flow of cooling medium pump 12 can be kept synchronous with the flow of medium pump 7；Medium pump
7 flow adjusts operation by customer flow demand.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of accumulation of energy cooling system, the system comprises ventilation devices (1), heat medium pipeline (2), heat medium distribution system
(3), cooling system (4), cooling medium collection system (5), cold medium pipeline (6) and medium pump (7), the heat medium pipeline
(2), heat medium distribution system (3), cooling system (4) and ventilation device (1) are sequentially connected；The cold medium pipeline (6) passes through
Cooling medium collection system (5) is connected with cooling system (4), and the medium pump (7) is arranged in the cold medium pipeline (6) or heat
On media conduits (2)；It is characterized in that, the medium storage tank (8) sets the system also includes at least one medium storage tank (8)
It sets on the heat medium pipeline (2) or the cold medium pipeline (6).
2. accumulation of energy cooling system according to claim 1, which is characterized in that the medium distribution system (3) includes several
A range pipe road (10), several described range pipe roads (10) are connected to heat medium pipeline (2) and dissipate according to parallel arrangement
Between hot systems (4)；Small medium pump (11) is provided on each range pipe road (10), each small medium pump (11) is all provided with
It is equipped with bypass line, each bypass line is provided with by-passing valve；The system is additionally provided with control valve (9)；As the matchmaker
Matter storage tank (8) be arranged on the heat medium pipeline (2), the control valve (9) be connected to the medium storage tank (8) with it is described
Cold medium pipeline is connected between (6)；When the medium storage tank (8) be arranged on the cold medium pipeline (6), the adjusting
Valve (9) is connected between the medium storage tank (8) and the heat medium pipeline (2) and is connected to.
3. accumulation of energy cooling system according to claim 1, which is characterized in that the system comprises two medium storage tanks (7),
Respectively as high temperature medium storage tank and low temperature medium storage tank, the high temperature medium storage tank is arranged on the heat medium pipeline (2),
And the low temperature medium storage tank is arranged on cold medium pipeline (6), and in the high temperature medium outlet and the low temperature matchmaker
Cooling medium is set between matter storage tank import and pumps (12).
4. a kind of accumulation of energy cooling means uses accumulation of energy cooling system as described in claim 1, which is characterized in that the side
Method includes:
Make high temperature medium from the user under the conveying effect of medium pump (7), enters the system from heat medium pipeline；
When the medium storage tank (8) is arranged on the heat medium pipeline (2), high temperature medium is introduced into the medium storage tank (8)
Enter cooling system (4) after heat medium distribution system (3) distribution again, and heat dissipation is strengthened by ventilation device (1) ventilation；Heat dissipation
Medium afterwards becomes low temperature medium, is sent to user through cold medium pipeline (6) after collecting by cooling medium collection system (5)；
When the medium storage tank (8) is arranged on the cold medium pipeline (6), high temperature medium is through heat medium distribution system (3) point
Enter cooling system (4) after matching, and heat dissipation is strengthened by ventilation device (1) ventilation；Medium after heat dissipation becomes low temperature medium, leads to
After supercooling medium collection system (5) is collected, it is introduced into medium storage tank (8), then be sent to user through cold medium pipeline (6)；
Obtain same day highest environment temperature tmax, minimum environment temperature tminWith real time temperature te；
Set adjustment parameter e0、emax, Δ e, 0 < e0<55℃、15℃<emax< 50 DEG C, 0 < Δ e < 50 DEG C, and emax>tmin+Δe、Δ
e<tmax-tmin；
Obtain cooling system (4) media side low-temperature end temperature tx；
Work as tmax>emax, and te<tminWhen+Δ e, increases the flow of medium pump (7), utilize the cooling capacity surplus of the system
The high temperature medium is cooled down, so that the medium temperature in medium storage tank (8) is gradually reduced, achievees the effect that Chu Leng；
Work as tx<e0When, gradually increase the flow of medium pump (7), make the medium stored in medium storage tank (8) to cooling system (4) into
Row heating, until tx>e0。
5. accumulation of energy cooling means according to claim 4, which is characterized in that the medium distribution system (3) includes several
A range pipe road (10), several described range pipe roads (10) are connected to heat medium pipeline (2) and dissipate according to parallel arrangement
Between hot systems (4)；Small medium pump (11) is provided on each range pipe road (10), each small medium pump (11) is all provided with
It is equipped with bypass line, each bypass line is provided with by-passing valve；The system is additionally provided with control valve (9)；As the matchmaker
Matter storage tank (8) be arranged on the heat medium pipeline (2), the control valve (9) be connected to the medium storage tank (8) with it is described
Cold medium pipeline is connected between (6)；When the medium storage tank (8) be arranged on the cold medium pipeline (6), the adjusting
Valve (9) is connected between the medium storage tank (8) and the heat medium pipeline (2) and is connected to；The method also includes:
Set adjustment parameter f1、f2, 0 < f1<30℃、-50<f2< 0 DEG C, and f2<f1<emax:
Work as tmax>emaxAnd te<tminWhen+Δ e, all small medium pumps (11) are gradually opened, and gradually close all small medium pumps
(11) by-passing valve；Adjustable valve (9) gradually are opened, to control the flow of medium pump (7)；And it is stepped up the stream of small medium pump
Amount, to realize the low-temperature cold accumulation of accumulation of energy cooling system；
Work as tmax>emaxAnd te>tminWhen+Δ e, the corresponding by-passing valve of small medium pump (11) is gradually opened, and gradually close small medium
Pump (11) and adjustable valve (9)；
Work as tmax<f1, and tmin<f2When, all small medium pumps (11) are gradually opened, and gradually close the bypass of small medium pump (11)
Valve；
Work as tx<e0When, the small medium pump on the range pipe road of cooling system low-temperature end is gradually opened, and gradually close corresponding small
The by-passing valve of medium pump；The flow for incrementally increasing the small medium pump (11) of the branch pipe, until tx>e0。
6. accumulation of energy cooling means according to claim 4, which is characterized in that the system comprises two medium storage tanks (7),
Respectively as high temperature medium storage tank and low temperature medium storage tank, the high temperature medium storage tank is arranged on the heat medium pipeline (2),
And the low temperature medium storage tank is arranged on cold medium pipeline (6), and in the high temperature medium outlet and the low temperature matchmaker
Cooling medium is set between matter storage tank import and pumps (12)；The method also includes:
Set adjustment parameter f1、f2, and 0 < f1<30℃、-50<f2< 0 DEG C, f2<f1<emax:
Work as tmax>emaxAnd te<tminWhen+Δ e, increase the flow of cooling medium pump (12), be larger than the flow of medium pump (7),
To realize the low-temperature cold accumulation of accumulation of energy cooling system；
Work as te>tminWhen+Δ e, the flow of cooling medium pump (12) is gradually reduced, it is made to be less than the flow of medium pump (7), to realize
The high-temperature energy-conservation of accumulation of energy cooling system, and restore the medium reserves of high temperature medium storage tank；
Work as tmax<f1, and tmin<f2When, the flow of cooling medium pump (12) is improved, quickly to utilize the accumulation of energy of high temperature medium storage tank
It is antifreeze to carry out low temperature；
Work as tx<e0When, it is stepped up the flow of cooling medium pump (12), until tx>e0, with using high temperature medium storage tank accumulation of energy into
Row low temperature is antifreeze.
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| CN201910523582.4A CN110375569B (en) | 2019-06-17 | 2019-06-17 | Energy storage cooling system and adjusting method thereof |
| PCT/CN2019/122858 WO2020253136A1 (en) | 2019-06-17 | 2019-12-04 | Energy storage and cooling system and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910523582.4A CN110375569B (en) | 2019-06-17 | 2019-06-17 | Energy storage cooling system and adjusting method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111366006A (en) * | 2020-02-18 | 2020-07-03 | 暨南大学 | Energy storage cooling system with cold and hot media cooperatively stored |
| WO2020253136A1 (en) * | 2019-06-17 | 2020-12-24 | 清华大学 | Energy storage and cooling system and method |
| CN114046682A (en) * | 2021-11-16 | 2022-02-15 | 中国科学院理化技术研究所 | Energy storage device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110375569B (en) * | 2019-06-17 | 2020-12-15 | 清华大学 | Energy storage cooling system and adjusting method thereof |
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- 2019-12-04 WO PCT/CN2019/122858 patent/WO2020253136A1/en active Application Filing
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020253136A1 (en) * | 2019-06-17 | 2020-12-24 | 清华大学 | Energy storage and cooling system and method |
| CN111366006A (en) * | 2020-02-18 | 2020-07-03 | 暨南大学 | Energy storage cooling system with cold and hot media cooperatively stored |
| CN112556447A (en) * | 2020-02-18 | 2021-03-26 | 暨南大学 | Energy storage cooling system with cold and hot media cooperatively stored |
| CN111366006B (en) * | 2020-02-18 | 2021-03-30 | 暨南大学 | Energy storage cooling system with cold and hot media cooperatively stored |
| CN114046682A (en) * | 2021-11-16 | 2022-02-15 | 中国科学院理化技术研究所 | Energy storage device |
Also Published As
| Publication number | Publication date |
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| WO2020253136A1 (en) | 2020-12-24 |
| CN110375569B (en) | 2020-12-15 |
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