CN203432006U - Cold storage and combined cold supplying type air-conditioning system - Google Patents
Cold storage and combined cold supplying type air-conditioning system Download PDFInfo
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- CN203432006U CN203432006U CN201320354418.3U CN201320354418U CN203432006U CN 203432006 U CN203432006 U CN 203432006U CN 201320354418 U CN201320354418 U CN 201320354418U CN 203432006 U CN203432006 U CN 203432006U
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- 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
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Abstract
The utility model discloses a cold storage and combined cold supplying type air-conditioning system which comprises a set of water cool storage device, a set of ice-crystal cool storage device and an air-conditioning water circulating device respectively connected with the water cool storage device and the ice-crystal cool storage device, wherein the ice-crystal cool storage device comprises an ice-crystal cool storage host and an ice-crystal cool storage pool, the water cool storage device comprises a water cool storage host and a water cool storage pool, the air-conditioning water circulating device comprises a water collector, multiple sets of blower fan coil pipes and a water separator, the water cool storage device exchanges cold with returning water of the air-conditioning circulating water through a plate type heat exchanger, and the ice-crystal cool storage device directly change cold with the returning water of the air-conditioning circulating water. The cold storage and combined cold supplying type air-conditioning system employs a cold supplying means combining an indirect cold supplying means through the water cool storage device, and directly cold supplying means through the ice-crystal cool storage device, thereby substantially improving the general efficiency of a cool storage system of a central air conditioner, saving energy and electricity.
Description
Technical field
The utility model relates to refrigeration plant, relates in particular to a kind of Investigation of Cold Storage Centralized Air Conditioning Systems.
Background technology
Along with the raising of expanding economy and people's living standard, air-conditioning has become facility indispensable in productive life, and air-conditioning is important large electricity consumer, so universal the increasing sharply of causing building energy consumption of air-conditioning.At present, air-conditioning energy consumption in summer peak value accounts for greatly 85% of building energy consumption, account for the more than 20% of social gross generation, thereby caused electric power peak-valley difference day by day to increase, supply falls short of demand to occur the high crest segment of electric power, and the phenomenon of electric power low ebb section surplus, the development of supply of electric power extremely can not meet the demand of building energy consumption, and development and application air conditioner energy saving technology just becomes very necessary and urgent.Therefore, country by the adjustment to Power policy, encourages peak load shifting to make full use of electric power resource, and cool storage air conditioning technology is one of the most effective mode in current peak regulation technique.
So-called cold accumulation air-conditioner, in the electrical network low ebb time at night, also it is the time that air conditioner load is very low simultaneously, refrigeration host computer start refrigeration is also stored cold by cold-storage apparatus, treat electrical network peak Elapsed Time on daytime, also be air conditioner load rush hour simultaneously, then cold is discharged and meets the needs of peak air conditioner load or cold demand for production technology.Like this, most of power consumption of refrigeration occurs in electricity consumption at night low peak period, and by day peak times of power consumption only have auxiliary equipment in operation, thereby realize " peak load shifting " of power load.The most frequently used cold-storage mode mainly contains two large classes: ice cold-storage and water cold-storage.At present, water cold-storage is because the low and operation maintenance of its initial cost is convenient, apply comparatively generally, but a shortcoming of chilled water storage system is that storage density of cold is little, the larger cold accumulating pond volume of needs, and can not utilize the charged power cold-storage of paddy at night completely.And ice cold-storage storage density of cold is large, ice bank volume is corresponding less.
Utility model content
The utility model provides a kind of air-conditioning system of cold-storage combination cooling, and this system can make the efficient operation of Central Air conditioning Cold Storage System and power consumption is carried out to peak load shifting, reduces use cost.
The utility model solves the technical scheme that its technical problem adopts: the air-conditioning system that proposes a kind of cold-storage combination cooling, comprise: a set of water cold accumulation device, a set of ice crystal cold-storage device and the air-conditioner circulating water device being connected with ice crystal cold-storage device with water cold accumulation device respectively, described ice crystal cold-storage device comprises ice crystal cold-storage main frame and ice crystal cold accumulating pond; Described water cold accumulation device comprises water cold-storage main frame and water cold accumulating pond; Described air-conditioner circulating water device comprises water collector, organizes fan coil and water knockout drum more; Described water cold accumulation device carries out Cooling capacity exchanging by the backwater of plate type heat exchanger and air-conditioner circulating water, and described ice crystal cold-storage device directly carries out Cooling capacity exchanging with the backwater that flows out plate type heat exchanger.
Described water cold-storage main frame delivery port and water cold accumulating pond bottom join, and water cold accumulating pond top is connected to form water cold-storage loop by the first valve and the first water pump and water cold-storage main frame water inlet; The backwater of described air-conditioner circulating water lets cool water through water collector by plate type heat exchanger and water cold accumulating pond and carries out Cooling capacity exchanging, and heat exchange enters fan coil by the 6th valve, water knockout drum, forms and lets cool loop.
Described ice crystal cold-storage main frame outlet is joined with ice crystal cold accumulating pond top, and ice crystal cold accumulating pond bottom is connected to form ice crystal cold-storage loop by the 3rd valve, the second water pump and the import of ice crystal cold-storage main frame; The backwater of described air-conditioner circulating water joins through water collector, plate type heat exchanger, the 5th valve and ice crystal cold accumulating pond top, and ice crystal cold accumulating pond bottom is connected to form ice crystal by the 4th valve, the 3rd water pump and water knockout drum and lets cool loop.
Between described water knockout drum and described water collector, be provided with backwater channel and valve, this valve is controlled and is opened and closed by control device.
The utility model proposes water cold-storage indirect cooling and the direct cooling combined cold-storage of ice crystal cold-storage mode, ice bank is combined to use with water cold-storage, can maximal efficiency utilize the charged power cold-storage of paddy at night, and the efficiency of ice crystal cold-storage is the highest in ice cold-storage, and ice making is stable.
Accompanying drawing explanation
Fig. 1 is system schematic of the present utility model.
The specific embodiment
The air-conditioning system of the cold-storage combination cooling the utility model proposes as shown in Figure 1, comprises a set of water cold accumulation device, a set of ice crystal cold-storage device and the air-conditioner circulating water device being connected with this two covering device respectively.Wherein, ice crystal cold-storage device is comprised of ice crystal cold-storage main frame 1 and ice crystal cold accumulating pond 2.Water cold accumulation device is comprised of water cold-storage main frame 3 and water cold accumulating pond 4.Central air-conditioning recirculated water device by water collector 5, organize fan coil 7 and water knockout drum 8 is formed more.Water cold accumulation device carries out Cooling capacity exchanging by plate type heat exchanger 6 and the backwater of central air-conditioning recirculated water device, and ice crystal cold accumulation system backwater direct and plate type heat exchanger 6 outlets carries out Cooling capacity exchanging.
Water cold-storage main frame 3 delivery ports and water cold accumulating pond 4 bottoms join, and water cold accumulating pond 4 tops are connected to form water cold-storage loop by the first valve V1 and the first water pump P 1 with water cold-storage main frame 3 water inlets; The backwater of air-conditioner circulating water lets cool water through water collector 5 by plate type heat exchanger 6 and water cold accumulating pond and carries out Cooling capacity exchanging, and heat exchange enters fan coil 7 by the 6th valve V6, water knockout drum 8, forms and lets cool loop.
1 outlet of ice crystal cold-storage main frame is joined with ice crystal cold accumulating pond 2 tops, and ice crystal cold accumulating pond 2 bottoms are connected to form ice crystal cold-storage loop by the 3rd valve V3, the second water pump P 2 with 1 import of ice crystal cold-storage main frame; The backwater of air-conditioner circulating water joins through water collector 5, plate type heat exchanger 6, the 5th valve V5 and ice crystal cold accumulating pond 2 tops, and ice crystal cold accumulating pond 2 bottoms are connected to form ice crystal with water knockout drum 8 and are let cool loop by the 4th valve V4, the 3rd water pump P 3.
During work, system operation is divided into the charged power cold-storage of paddy at night and lets cool daytime, and cold-storage and discharging cold course comprise water process of cool, ice crystal process of cool and water discharging cold course, ice crystal discharging cold course.
Water process of cool: open the first valve V1 and the first water pump P 1, other valve, water pump are all closed.Water cold accumulating pond 4 top high-temperature water are entered after water cold-storage main frame 3 is cooled into water at low temperature and return from water cold accumulating pond 4 bottoms through the first valve V1 by the first water pump P 1 effect, complete process of cool.
Ice crystal process of cool: open the 3rd valve V3 and the second water pump P 2, other valve, water pump are all closed.The aqueous solution in ice crystal cold accumulating pond 2 enters ice crystal cold-storage main frame 1 by the second water pump P 2 effects through the 3rd valve V3 and produces ice crystal, and the ice crystal of producing returns from ice crystal cold accumulating pond 2 tops, completes process of cool.
Water discharging cold course: open the second valve V2, the 6th valve V6 and the 3rd water pump P 3, the 4th water pump P 4, other valve, water pump are all closed.Cold-storage water returns from water cold accumulating pond 4 tops after the second valve V2 is by plate type heat exchanger 6 and the heat exchange of air-conditioner circulating water backwater from water cold accumulating pond 4 bottoms by the 4th water pump P 4 effects, completes discharging cold course.
Ice crystal discharging cold course: open the 4th valve V4, the 5th valve V5 and the 3rd water pump P 3, other valve, water pump are all closed.Ice crystal solution acts on through the 4th valve V4 from ice crystal cold accumulating pond 2 bottoms by the 3rd water pump P 3, by water knockout drum 8, enter fan coil 7 to user's cooling, high-temperature water after cooling finishes returns from ice crystal cold accumulating pond 2 tops by water collector 5, plate type heat exchanger 6 and the 5th valve V5, completes discharging cold course.
Between water knockout drum 8 and water collector 5, be provided with backwater channel 9 and valve, make the part backwater in water collector directly arrive water knockout drum 8 by this valve, this valve is controlled and is opened and closed by control device.
The utility model has not only adopted water cold-storage mode, on water cold-storage basis, also added a set of ice crystal cold accumulation system, by the indirect cooling mode of water cold accumulation device, combination with the direct cooling mode of ice crystal cold-storage device, greatly improved the overall efficiency of Central Air conditioning Cold Storage System, and energy saving.
Claims (4)
1. the air-conditioning system of cold-storage combination cooling, it is characterized in that, comprise: a set of water cold accumulation device, a set of ice crystal cold-storage device and the air-conditioner circulating water device being connected with ice crystal cold-storage device with water cold accumulation device respectively, described ice crystal cold-storage device comprise ice crystal cold-storage main frame (1) and ice crystal cold accumulating pond (2); Described water cold accumulation device comprises water cold-storage main frame (3) and water cold accumulating pond (4); Described air-conditioner circulating water device comprises water collector (5), organizes fan coil (7) and water knockout drum (8) more; Described water cold accumulation device carries out Cooling capacity exchanging by plate type heat exchanger (6) and the backwater of air-conditioner circulating water, and described ice crystal cold-storage device directly carries out Cooling capacity exchanging with the backwater that flows out plate type heat exchanger (6).
2. air-conditioning system according to claim 1, it is characterized in that: described water cold-storage main frame (3) delivery port and water cold accumulating pond (4) bottom join, water cold accumulating pond (4) top is connected to form water cold-storage loop by the first valve (V1) and the first water pump (P1) with water cold-storage main frame (3) water inlet; The backwater of described air-conditioner circulating water lets cool water through water collector (5) by plate type heat exchanger (6) and water cold accumulating pond and carries out Cooling capacity exchanging, and heat exchange enters fan coil (7) by the 6th valve (V6), water knockout drum (8), forms and lets cool loop.
3. air-conditioning system according to claim 1, it is characterized in that: described ice crystal cold-storage main frame (1) outlet is joined with ice crystal cold accumulating pond (2) top, ice crystal cold accumulating pond (2) bottom is connected to form ice crystal cold-storage loop by the 3rd valve (V3), the second water pump (P2) with ice crystal cold-storage main frame (1) import; The backwater of described air-conditioner circulating water joins with ice crystal cold accumulating pond (2) top through water collector (5), plate type heat exchanger (6), the 5th valve (V5), and ice crystal cold accumulating pond (2) bottom is connected to form ice crystal by the 4th valve (V4), the 3rd water pump (P3) with water knockout drum (8) and lets cool loop.
4. air-conditioning system according to claim 1, is characterized in that: between described water knockout drum (8) and described water collector (5), be provided with backwater channel (9) and valve, this valve is controlled and opened and closed by control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320354418.3U CN203432006U (en) | 2013-06-20 | 2013-06-20 | Cold storage and combined cold supplying type air-conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320354418.3U CN203432006U (en) | 2013-06-20 | 2013-06-20 | Cold storage and combined cold supplying type air-conditioning system |
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| Publication Number | Publication Date |
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| CN203432006U true CN203432006U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320354418.3U Expired - Lifetime CN203432006U (en) | 2013-06-20 | 2013-06-20 | Cold storage and combined cold supplying type air-conditioning system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240968A (en) * | 2015-09-11 | 2016-01-13 | 国网天津市电力公司 | Energy storage system for achieving cold storage in summer by means of thermal storage water tank |
| CN107655126A (en) * | 2017-11-01 | 2018-02-02 | 江苏高菱蓄能科技有限公司 | A kind of full-effective water cold accumulation system |
| CN107806680A (en) * | 2017-10-25 | 2018-03-16 | 天津开发区欧亚设备安装有限公司 | A kind of Central Air conditioning Cold Storage System |
-
2013
- 2013-06-20 CN CN201320354418.3U patent/CN203432006U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240968A (en) * | 2015-09-11 | 2016-01-13 | 国网天津市电力公司 | Energy storage system for achieving cold storage in summer by means of thermal storage water tank |
| CN107806680A (en) * | 2017-10-25 | 2018-03-16 | 天津开发区欧亚设备安装有限公司 | A kind of Central Air conditioning Cold Storage System |
| CN107655126A (en) * | 2017-11-01 | 2018-02-02 | 江苏高菱蓄能科技有限公司 | A kind of full-effective water cold accumulation system |
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Granted publication date: 20140212 |