CN204214065U - Fire cistern chilled water storage system - Google Patents
Fire cistern chilled water storage system Download PDFInfo
- Publication number
- CN204214065U CN204214065U CN201420000357.5U CN201420000357U CN204214065U CN 204214065 U CN204214065 U CN 204214065U CN 201420000357 U CN201420000357 U CN 201420000357U CN 204214065 U CN204214065 U CN 204214065U
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- Prior art keywords
- cold
- heat exchanger
- water
- storage system
- fire cistern
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- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 83
- 238000004378 air conditioning Methods 0.000 claims abstract description 18
- 230000005611 electricity Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000005057 refrigeration Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000000192 social effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000003809 water extraction Methods 0.000 description 1
Classifications
-
- 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
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- Other Air-Conditioning Systems (AREA)
Abstract
The utility model discloses a kind of fire cistern chilled water storage system, belong to domain of control temperature, comprise handpiece Water Chilling Units, heat exchanger, cold-storage groove and air conditioning terminal, the utility model utilizes fire cistern to carry out water cold storage, further save first cost, also effectively save floor space, reduce the limitation that chilled water storage system uses, not only meet economy, reliably, flexibly, efficient designing requirement, reach when the idle call electricity in electrical network rush hour is transferred to electrical network low ebb and use, reach the object of power cost saving, and not only more save first cost than chilled water storage system in the past, save floor space, also reduce the duration, efficiency is higher.
Description
Technical field
The utility model belongs to domain of control temperature, particularly relates to a kind of fire cistern chilled water storage system.
Background technology
The evident characteristic that China's supply of electric power in recent years occurs, the peak-valley difference being exactly " peak value " load of summer day and " paddy phase " load at night is very large, and the rate of load condensate of electrical network is reduced.Central air conditioning is important large electricity consumer, is also the main cause causing electrical network peak load, and cold storage air conditioning apparatus is then the effective way addressed this problem.Water cool-storage technology is the electricity price between peak and valley utilizing electrical network, adopt handpiece Water Chilling Units cold-storage in pond night, daytime pond let cool and main frame keep away peak run energy-saving type air conditioner mode, it is little that it has investment, reliable, good refrigeration effect, the obvious feature of economic benefit, annual can be that user saves considerable central air-conditioning annual operating cost, also can realize the large temperature difference and send water and emergent low-temperature receiver, large relative to ice-storage system investment, debugging is complicated, promote the situation that difficulty is larger, water cold storage has economic simple feature, the fire cistern that heavy construction itself can be utilized to have is to carry out cold storage, so water cold storage technology has wide development space and application prospect, its social benefit is embodied in can balancing power network load, reduce power plant's investment, environment purification, meet national industrial policies developing direction.
Water cold storage utilizes the sensible heat of water to carry out cold storage.Utilize electricity price between peak and valley, be stored in water at low ebb rate period by cold, the peak of power consumption period uses the cryogenic freezing water extraction stored cold for idle call by day.When air-conditioning service time and non-air-conditioning service time and electrical network peak and low ebb synchronous time, use when just the idle call electricity in electrical network rush hour can be transferred to electrical network low ebb, reach the object of power cost saving.The most ripe and the effective cold-storage mode of current use is natural layering.The advantage of this cold-storage mode is: reduce investment outlay, technical requirement is low, and maintenance cost is few, can use conventional air-conditioning refrigeration unit.Because the water in fire cistern needs if desired for fire-fighting, therefore, fire cistern chilled water storage system is suitable for cold holding air-conditioning heat pump.But because the storage density of cold of water is low, 8 DEG C of temperature difference can only be utilized, therefore system has shortcomings such as floor space is large, cold loss is large, waterproof thermal-insulated trouble.Fire cistern chilled water storage system is adopted just well to solve the problems referred to above, because the vacancy rate of fire cistern is higher, idle fire cistern cold-storage is utilized to be a kind of reliable peak load shifting method of economy meeting national conditions, under not affecting fire cistern and being just usually used in the prerequisite of fire-fighting, use it for water cold storage, list only saves first cost, has also effectively saved floor space, has had certain economy and good application prospect.
In process of cool, water at low temperature prepared by unit flows into from bottom water-locator, and the water that temperature is higher flows out from top water-locator, until water at low temperature stores completely whole cold-storage groove, process of cool terminates; Releasing in cold process, the lower water of temperature flows out from bottom water-locator, and the high-temperature water after heat exchange flows into from top water-locator again, forms one and slowly moves and float on the higher backwater zone of the temperature at top.
The most volume of cold-storage groove under prior art is comparatively large, and cold storage capacity efficiency is lower, and floor space is also large, and transport is inconvenient, can not modularized production, so can only field fabrication, not only affect the construction period, and there is certain uncertainty in field fabrication, difficult quality guarantee, causes risk factor to increase, the Gongjian little for construction area or community, be difficult to realize, and fabrication cycle is long, floor space is large etc., and shortcoming does not still manifest.Therefore, utilize fire cistern to carry out water cold storage, solve the problems referred to above, reduce further the initial cost of system, improve the economy of system, also effectively make use of fire cistern, saved floor space.
Fire cistern water cold storage technology, as one of the important energy saving means developing direction of new century, utilizes the electrical network low ebb time at night, utilizes night low-price electricity handpiece Water Chilling Units refrigeration and cold accumulation to be stored by cold; Release cold during electricity peak on daytime, cooling common with handpiece Water Chilling Units, realizes peak load shifting, has effectively saved the energy.It is the new technology with vast potential for future development; there are good social effect and economic benefit; to be China's electric power peak load shifting, improve electrical network load factor, improve Electricity Investment comprehensive benefit and the important means reducing CO2, sulfide emission amount carrys out protection of the environment.
Utility model content
Because the above-mentioned defect of prior art, technical problem to be solved in the utility model is to provide one can reduce initial cost, saves the chilled water storage system of floor space.
For achieving the above object, the utility model provides a kind of fire cistern chilled water storage system, comprises handpiece Water Chilling Units, heat exchanger, cold-storage groove and air conditioning terminal; First outlet of described heat exchanger is communicated with the entrance of described handpiece Water Chilling Units by circulating pump, the outlet of described handpiece Water Chilling Units is communicated with the first entrance of described heat exchanger by the second valve; The outlet of described handpiece Water Chilling Units is also communicated with the entrance of described cold-storage groove by the first valve, the outlet of described cold-storage groove is communicated with the pipeline between described circulating pump and heat exchanger by the 3rd valve, and the outlet of described cold-storage groove is also communicated with the pipeline between described second valve and heat exchanger by the 4th valve; The entrance of air conditioning terminal described in second outlet of described heat exchanger, the outlet of described air conditioning terminal is communicated with the second entrance of described heat exchanger by refrigerating water pump.
Described handpiece Water Chilling Units be connected with described cold-storage groove by the first valve and pipeline, described cold-storage groove is connected with described handpiece Water Chilling Units by the 3rd valve, circulating pump and pipeline, formation cold-storage loop; Described cold-storage groove is connected with described plate type heat exchanger with pipeline by described first valve, the second valve successively, described plate type heat exchanger is connected with described cold-storage groove by described 3rd valve, is formed and releases cold loop.During cold-storage at night: described handpiece Water Chilling Units to cold-storage in described cold-storage groove, then is connected to form loop by described 3rd valve, described circulating pump and pipeline and handpiece Water Chilling Units by described first valve and pipeline; When releasing energy daytime: described 4th valve closing, described handpiece Water Chilling Units is connected with described plate type heat exchanger with pipeline by described second valve, then is connected with described handpiece Water Chilling Units with pipeline by described circulating pump, forms loop; Described cold-storage groove is connected with described plate type heat exchanger with pipeline by described first valve, the second valve, then is connected with described cold-storage groove with pipeline by described 3rd valve, forms loop.During use, high-temperature water makes water at low temperature after handpiece Water Chilling Units refrigeration cool-down, evenly slowly flow in cold-storage groove from the bottom water distributor of cold-storage groove, under the effect of the density contrast caused in different water temperature, water at low temperature can be sunken to bottom, cold-storage groove Central Plains high-temperature water nature buoyance lift, top water distributor through cold-storage groove flows out, through multistage water-locator acting in conjunction, the natural layering phenomenon that density contrast is caused is more even, reduce the action of turbulent flow of horizontal heat transfer and vertical direction, till whole cold-storage groove is full of water at low temperature, process of cool terminates.
When releasing cold, water at low temperature in fire cistern (cold-storage groove) flows through the water at low temperature mixing of the first valve and handpiece Water Chilling Units again by the second valve inflow plate type heat exchanger through the bottom water distributor of cold-storage groove, a backwater part higher with temperature after the heat exchange of air conditioning terminal system gets back to unit through circulating pump, another part is evenly slowly flowed in cold-storage groove by the top water distributor of the 3rd valve from cold-storage groove, due to the density contrast that temperature difference causes, high-temperature water nature buoyance lift, be sunken to bottom cold-storage groove under water at low temperature nature, till in cold-storage groove, water at low temperature does not meet user's request, release cold process to terminate.This process, through multistage water-locator effect, reduces the action of turbulent flow of horizontal heat transfer and vertical direction, reduces the blending of high-temperature water and water at low temperature, effectively reduces mesolimnion thickness, improve the actual cold storage capacity of cold-storage groove.The utility model not only meets economy, reliable, flexible, designing requirement efficiently, reach when the idle call electricity in electrical network rush hour is transferred to electrical network low ebb and use, reach the object of power cost saving, and not only more save first cost than chilled water storage system in the past, save floor space, also reduce the duration, efficiency is higher.
Preferably, described cold-storage groove is fire cistern.
Preferably, described heat exchanger is plate type heat exchanger.
Preferably, upper water distributor, lower water-dispensing device is laid with in described cold-storage groove.
The beneficial effects of the utility model are: the utility model utilizes fire cistern to carry out water cold storage, further save first cost, also effectively save floor space, reduce the limitation that chilled water storage system uses, not only meet economy, reliable, flexible, designing requirement efficiently, reach when the idle call electricity in electrical network rush hour is transferred to electrical network low ebb and use, reach the object of power cost saving, and not only more save first cost than chilled water storage system in the past, save floor space, also reduce the duration, efficiency is higher.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one detailed description of the invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As shown in Figure 1, a kind of fire cistern chilled water storage system, comprises handpiece Water Chilling Units 1, heat exchanger 2, cold-storage groove 3 and air conditioning terminal 4; First outlet of described heat exchanger 2 is communicated with the entrance of described handpiece Water Chilling Units 1 by circulating pump 5, the outlet of described handpiece Water Chilling Units 1 is communicated with the first entrance of described heat exchanger 2 by the second valve 6; The outlet of described handpiece Water Chilling Units 1 is also communicated with the entrance of described cold-storage groove 3 by the first valve 7, the outlet of described cold-storage groove 3 is communicated with the pipeline between described circulating pump 5 and heat exchanger 2 by the 3rd valve 8, and the outlet of described cold-storage groove 3 is also communicated with the pipeline between described second valve 6 and heat exchanger 2 by the 4th valve 9; The entrance of air conditioning terminal 4 described in second outlet of described heat exchanger 2, the outlet of described air conditioning terminal 4 is communicated with the second entrance of described heat exchanger 2 by refrigerating water pump 10.In the present embodiment, described cold-storage groove 3 is fire cistern, and described heat exchanger 2 is plate type heat exchanger.
More than describe preferred embodiment of the present utility model in detail.Should be appreciated that those of ordinary skill in the art just can make many modifications and variations according to design of the present utility model without the need to creative work.Therefore, all technical staff in the art according to design of the present utility model on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should by the determined protection domain of claims.
Claims (4)
1. a fire cistern chilled water storage system, is characterized in that: comprise handpiece Water Chilling Units (1), heat exchanger (2), cold-storage groove (3) and air conditioning terminal (4); First outlet of described heat exchanger (2) is communicated with the entrance of described handpiece Water Chilling Units (1) by circulating pump (5), the outlet of described handpiece Water Chilling Units (1) is communicated with the first entrance of described heat exchanger (2) by the second valve (6); The outlet of described handpiece Water Chilling Units (1) is also communicated with the entrance of described cold-storage groove (3) by the first valve (7), the outlet of described cold-storage groove (3) is communicated with the pipeline between described circulating pump (5) and heat exchanger (2) by the 3rd valve (8), and the outlet of described cold-storage groove (3) is also communicated with the pipeline between described second valve (6) and heat exchanger (2) by the 4th valve (9); The entrance of air conditioning terminal (4) described in second outlet of described heat exchanger (2), the outlet of described air conditioning terminal (4) is communicated with the second entrance of described heat exchanger (2) by refrigerating water pump (10).
2. fire cistern chilled water storage system as claimed in claim 1, is characterized in that: described cold-storage groove (3) is fire cistern.
3. fire cistern chilled water storage system as claimed in claim 1, is characterized in that: described heat exchanger (2) is plate type heat exchanger.
4. fire cistern chilled water storage system as claimed in claim 1, is characterized in that: be laid with upper water distributor, lower water-dispensing device in described cold-storage groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420000357.5U CN204214065U (en) | 2014-01-02 | 2014-01-02 | Fire cistern chilled water storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420000357.5U CN204214065U (en) | 2014-01-02 | 2014-01-02 | Fire cistern chilled water storage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204214065U true CN204214065U (en) | 2015-03-18 |
Family
ID=52982731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420000357.5U Expired - Lifetime CN204214065U (en) | 2014-01-02 | 2014-01-02 | Fire cistern chilled water storage system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204214065U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196377A (en) * | 2016-08-29 | 2016-12-07 | 江苏泰达纺织有限公司 | Utilize refrigeration system and the using method of fire cistern cold-storage |
| CN107143954A (en) * | 2017-05-19 | 2017-09-08 | 海南佩尔优科技有限公司 | Cold accumulation system and control method |
| CN107202377A (en) * | 2017-05-19 | 2017-09-26 | 海南佩尔优科技有限公司 | Energy-storage air conditioner system and its control method |
-
2014
- 2014-01-02 CN CN201420000357.5U patent/CN204214065U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196377A (en) * | 2016-08-29 | 2016-12-07 | 江苏泰达纺织有限公司 | Utilize refrigeration system and the using method of fire cistern cold-storage |
| CN107143954A (en) * | 2017-05-19 | 2017-09-08 | 海南佩尔优科技有限公司 | Cold accumulation system and control method |
| CN107202377A (en) * | 2017-05-19 | 2017-09-26 | 海南佩尔优科技有限公司 | Energy-storage air conditioner system and its control method |
| CN107143954B (en) * | 2017-05-19 | 2024-01-23 | 海南佩尔优科技有限公司 | Cold accumulation system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150318 |