CN201954691U - Series connection type refrigeration air-conditioner and tail end cold accumulation water system - Google Patents
Series connection type refrigeration air-conditioner and tail end cold accumulation water system Download PDFInfo
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- CN201954691U CN201954691U CN2011200264656U CN201120026465U CN201954691U CN 201954691 U CN201954691 U CN 201954691U CN 2011200264656 U CN2011200264656 U CN 2011200264656U CN 201120026465 U CN201120026465 U CN 201120026465U CN 201954691 U CN201954691 U CN 201954691U
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The utility model relates to a series connection type refrigeration air-conditioner and a tail end cold accumulation water system. The water system includes a single working condition refrigerator, a double working condition refrigerator, a heat exchanger, a cold accumulation device, a water pump, a valve and the like, which are connected through intermediate distribution pipes; through the series connection use of each refrigerating plant in a refrigerating system and the series connection use of different functional air-conditioner tail end water systems, the energy gradient utilization in an air-conditioner system is realized in a real way, the purposes of saving energy and lowering investment are achieved, the different functional air-conditioner tail end and parametric water supply requirements can be conveniently satisfied by only one water system, and the cold accumulation air-conditioner technology is combined to effectively utilize low-temperature cold water, greatly improve temperature difference of supply water and return water, and lower the energy consumption in conveying; and meanwhile, the refrigeration host machine capability is effectively reduced, the electrovalence difference of peak and valley in a power grid is fully utilized, the air-conditioner running cost is lower. The water system provided by the utility model not only meets the large temperature difference requirement of the system, but also correspondingly improves the refrigeration efficiency, lowers the initial investment of the system, improves the energy utilization efficiency and lowers the running energy consumption.
Description
Technical field
The utility model relates to the air conditioner refrigerating technical field, is specifically related to a kind of tandem refrigeration air-conditioner and terminal cold-storage water system.
Background technology
At present, the processing form of field of air conditioning air mainly contains heat, wet Combined Treatment and temperature, two kinds of forms of humidity independent process, and the pairing air conditioner end equipment of the processing form of these two kinds of air requires different chilled waters to supply water and return water temperature.Different end-equipments are to the demand of water supply and return water temperature in the air conditioning area in order to satisfy, and present stage, general way mainly contained following two kinds:
1, system is provided with a cover water piping system, two class end-equipment parallel runnings, the supply water temperature of air-conditioning refrigeration system all adopts the required treatment temperature of conventional dehumidification by condensation, be generally 7 ℃, when satisfying heat, wet Combined Treatment or wet process end-equipment supply water temperature, the another kind of sensible heat end-equipment that only carries out heat and Temperature Treatment adopts the mode that middle heat exchange or terminal multifunctional pump are set to be its cold water that higher temperature is provided, and is generally 13 ℃～18 ℃.
2, system is provided with two cover water piping system and air-conditioning refrigeration systems, satisfies the different demands of above two class air conditioner end equipments to supply water temperature respectively.
At present, air-conditioning refrigeration system is generally the cold machine of single-stage system, and chilling air conditioning system has the system of two-stage tandem, and promptly Ice Storage Tank is connected with cold machine, and extremely indivedual conventional air-conditioning refrigeration systems also have the system of the cold machine series connection of secondary.
For refrigeration plant and air conditioning terminal the heavy construction project of certain distance is arranged, there is system's initial cost height in two kinds of above-mentioned air conditioning terminal system forms, refrigerating efficiency is low or cause not enough places such as conveying energy consumption is big because of having a narrow range of temperature.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this utility model is to provide a kind of tandem refrigeration air-conditioner and terminal cold-storage water system, both satisfied the demand of the big temperature difference of system, correspondingly improved refrigerating efficiency again, reduced the initial cost of system, improved utilization efficiency of energy again, reduced operation energy consumption.
In order to achieve the above object, the technical solution adopted in the utility model is:
A kind of tandem refrigeration air-conditioner and terminal cold-storage water system, comprise the cold machine 1 of single operating mode, the output of the cold machine 1 of single operating mode is leading directly to by first three-way valve 11 successively, the first entrance pipe UNICOM of the straight-through and cold-storage device 4 of second three-way valve 12, first outlet of cold-storage device 4 is successively by air-conditioning water pump 8, leading directly to of the 3rd three-way valve 13, naive user 5, leading directly to of the 4th three-way valve 14, secondary user's 6, the intake line UNICOM of the straight-through and cold machine 1 of single operating mode of the 5th three-way valve 15, the output of the cold machine 2 of duplex condition is by the intake line UNICOM of the cold accumulator 16 of first valve 9 and cold-storage device 4, the output of cold accumulator 16 is by the intake line UNICOM of solution pump 7 and the cold machine 2 of duplexing condition, first input of heat exchanger 3 and the bypass UNICOM of first three-way valve 11, pipeline UNICOM between the leading directly to of first output of heat exchanger 3 and straight-through and second three-way valve 12 of first three-way valve 11, second input of heat exchanger 3 is by the pipeline UNICOM between second valve 10 and first valve 9 and the cold machine 2 of duplexing condition, second output of heat exchanger 3 and the pipeline UNICOM between cold-storage device 4 and the solution pump 7, first input and first of heat exchanger 3 is output as a loop, second input and second of heat exchanger 3 is output as a loop, first output of the bypass of second three-way valve 12 and cold-storage device 4 and the pipeline UNICOM between the air-conditioning water pump 8, pipeline UNICOM between the bypass of the 3rd three-way valve 13 and naive user 5 and the 4th three-way valve 14 straight-through, pipeline UNICOM between the bypass of the 4th three-way valve 14 and secondary user's 6 and the 5th three-way valve 15 straight-through, the pipeline UNICOM between the leading directly to of the cold machine 1 of the bypass of the 5th three-way valve 15 and single operating mode and first three-way valve 11.
The utlity model has following characteristics and beneficial effect:
(1) the utility model be based on (
) science optimized of economics is with can principle, using step by step of plural serial stage refrigeration by refrigeration host computer and air conditioner end equipment is cold, strengthen the use temperature difference in the air conditioner user side, promptly improve return water temperature, strengthen the water supply temperature difference, promptly reduce supply water temperature in the air conditioner refrigerating side, thereby reduce the discharge of system, the initial cost of air-condition freezing transmission ﹠ distribution water system is reduced, simultaneously, reduce the conveying energy consumption of water system pump;
(2) raising of return water temperature has reduced the temperature difference between chilled water and the environment, thereby has reduced the cold consumption on the transmission and distribution pipeline, when system scale is big more, when transmission ﹠ distribution distances is far away more, it is more obvious that this advantage will embody;
(3) rising of return water temperature has also improved the coefficient of performance COP of single operating mode handpiece Water Chilling Units 1, has promptly improved efficiency of energy utilization;
(4) in conjunction with the cold-storage technology, effectively utilize low-temperature cold water, improve confession, backwater temperature difference significantly, reduce conveying energy consumption; Can balance electrical network peak, the paddy load, reduce the refrigeration host computer capacity, reduce air-conditioning system power capacity increasing tariff and power supply and distribution facility and take, can effectively utilize the peak of electrical network, paddy electricity price poor again, reduce the air conditioner refrigerating operating cost;
(5) use of the utility model system makes the energy-conservation new system that occurs now---and temperature, humidity autonomous control system have obtained more perfect embodiment.
Description of drawings
Accompanying drawing is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
A kind of tandem refrigeration air-conditioner and terminal cold-storage water system, comprise the cold machine 1 of single operating mode, the output of the cold machine 1 of single operating mode is leading directly to by first three-way valve 11 successively, the first entrance pipe UNICOM of the straight-through and cold-storage device 4 of second three-way valve 12, first outlet of cold-storage device 4 is successively by air-conditioning water pump 8, leading directly to of the 3rd three-way valve 13, naive user 5, leading directly to of the 4th three-way valve 14, secondary user's 6, the intake line UNICOM of the straight-through and cold machine 1 of single operating mode of the 5th three-way valve 15, the output of the cold machine 2 of duplex condition is by the intake line UNICOM of the cold accumulator 16 of first valve 9 and cold-storage device 4, the output of cold accumulator 16 is by the intake line UNICOM of solution pump 7 and the cold machine 2 of duplexing condition, first input of heat exchanger 3 and the bypass UNICOM of first three-way valve 11, pipeline UNICOM between the leading directly to of first output of heat exchanger 3 and straight-through and second three-way valve 12 of first three-way valve 11, second input of heat exchanger 3 is by the pipeline UNICOM between second valve 10 and first valve 9 and the cold machine 2 of duplexing condition, second output of heat exchanger 3 and the pipeline UNICOM between cold-storage device 4 and the solution pump 7, first input and first of heat exchanger 3 is output as a loop, second input and second of heat exchanger 3 is output as a loop, first output of the bypass of second three-way valve 12 and cold-storage device 4 and the pipeline UNICOM between the air-conditioning water pump 8, pipeline UNICOM between the bypass of the 3rd three-way valve 13 and naive user 5 and the 4th three-way valve 14 straight-through, pipeline UNICOM between the bypass of the 4th three-way valve 14 and secondary user's 6 and the 5th three-way valve 15 straight-through, the pipeline UNICOM between the leading directly to of the cold machine 1 of the bypass of the 5th three-way valve 15 and single operating mode and first three-way valve 11.
Operation principle of the present utility model is:
System of the present utility model have daytime and night (cold-storage) two kinds of main operational modes.
When system moves by day, cold machine 1 of single operating mode and the cold machine 2 of duplexing condition, solution pump 7,8 operations of air-conditioning water pump, valve 9 is closed, and valve 10～15 is opened; The air-conditioning backwater of higher water temperature flows to heat exchanger 3 after the cold machine 1 of single operating mode once cools off, the cold that the cold machine 2 of duplex condition is produced is cooled off by secondary, cold-storage device 4 flow through afterwards by three grades of coolings, again through 8 pressurizations of air-conditioning water pump, flow through in turn naive user 5 and secondary user's 6 are put step by step and are returned the cold machine 1 of single operating mode after cold and enter next circulation.
When system moved at night, duplex cold machine 2 of condition and solution pump 7 operations, valve 10 is closed, triple valve 12 straight-through closed, bypass is opened, and valve 11,13,14,15 is opened, and refrigerating medium is generally glycol water and enters the cold machine 2 of duplexing condition after solution pump 7 pressurizations, absorption refrigeration agent cold, temperature reduces after valve 9 enters cold-storage device 4 released cold quantities, finishes process of cool, and the refrigerating medium rework solution pump 7 that has discharged cold enters next circulation; To the air conditioner water loop, single cold machine 1 of operating mode and 8 operations of air-conditioning water pump, after 8 pressurizations of air-conditioning water pump, put step by step and return the cold machine 1 of single operating mode after cold and enter next circulation by flow through in turn naive user 5 and secondary user's 6 through the once cooling of the cold machine 1 of single operating mode for the air-conditioning backwater of higher water temperature.
In addition, the cold machine 1 of single operating mode, heat exchanger 3, cold-storage device 4 and naive user 5, secondary user's 6 places are equipped with local bypass pipe, by triple valve control bypass flow separately, to realize the compatible and coupling of flow system flow and each place capacity, user's porch also can be provided with water admixing device endways, to realize the compatibility of system water supply temperature and end-equipment demand temperature.
Claims (1)
1. a tandem refrigeration air-conditioner and terminal cold-storage water system, comprise the cold machine of single operating mode (1), it is characterized in that: the output of the cold machine of single operating mode (1) is leading directly to by first three-way valve (11) successively, the first entrance pipe UNICOM of the straight-through and cold-storage device (4) of second three-way valve (12), first outlet of cold-storage device (4) is successively by air-conditioning water pump (8), leading directly to of the 3rd three-way valve (13), naive user (5), leading directly to of the 4th three-way valve (14), secondary user's (6), the intake line UNICOM of the straight-through and cold machine of single operating mode (1) of the 5th three-way valve (15), the output of the duplex cold machine of condition (2) is by the intake line UNICOM of the cold accumulator (16) of first valve (9) and cold-storage device (4), the output of cold accumulator (16) is by the intake line UNICOM of solution pump (7) and the cold machine of duplexing condition (2), first input of heat exchanger (3) and the bypass UNICOM of first three-way valve (11), pipeline UNICOM between the leading directly to of first output of heat exchanger (3) and straight-through and second three-way valve (12) of first three-way valve (11), second input of heat exchanger (3) is by the pipeline UNICOM between second valve (10) and first valve (9) and the cold machine of duplexing condition (2), second output of heat exchanger (3) and the pipeline UNICOM between cold-storage device (4) and the solution pump (7), first input and first of heat exchanger (3) is output as a loop, second input and second of heat exchanger (3) is output as a loop, first output of the bypass of second three-way valve (12) and cold-storage device (4) and the pipeline UNICOM between the air-conditioning water pump 8, pipeline UNICOM between the bypass of the 3rd three-way valve (13) and naive user (5) and the 4th three-way valve (14) straight-through, pipeline UNICOM between the bypass of the 4th three-way valve (14) and secondary user's (6) and the 5th three-way valve (15) straight-through, the pipeline UNICOM between the leading directly to of the bypass of the 5th three-way valve (15) and the cold machine of single operating mode (1) and first three-way valve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200264656U CN201954691U (en) | 2011-01-26 | 2011-01-26 | Series connection type refrigeration air-conditioner and tail end cold accumulation water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200264656U CN201954691U (en) | 2011-01-26 | 2011-01-26 | Series connection type refrigeration air-conditioner and tail end cold accumulation water system |
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| Publication Number | Publication Date |
|---|---|
| CN201954691U true CN201954691U (en) | 2011-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200264656U Expired - Lifetime CN201954691U (en) | 2011-01-26 | 2011-01-26 | Series connection type refrigeration air-conditioner and tail end cold accumulation water system |
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| CN (1) | CN201954691U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072542A (en) * | 2011-01-26 | 2011-05-25 | 中国建筑西北设计研究院有限公司 | Tandem refrigeration air conditioning and tail end cold water storage system |
| CN108072138A (en) * | 2018-02-07 | 2018-05-25 | 华南理工大学建筑设计研究院 | A kind of middle temperature air conditioning system based on regional cold supply system |
| CN109282399A (en) * | 2018-08-23 | 2019-01-29 | 中国建筑西北设计研究院有限公司 | A kind of air conditioning water system of multi-stage refrigerating and end cascaded utilization of energy |
| CN110686368A (en) * | 2019-09-26 | 2020-01-14 | 珠海格力电器股份有限公司 | Communication control device, internal machine, external machine, temperature controller, communication method and air conditioner |
-
2011
- 2011-01-26 CN CN2011200264656U patent/CN201954691U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072542A (en) * | 2011-01-26 | 2011-05-25 | 中国建筑西北设计研究院有限公司 | Tandem refrigeration air conditioning and tail end cold water storage system |
| CN102072542B (en) * | 2011-01-26 | 2015-04-22 | 中国建筑西北设计研究院有限公司 | Tandem refrigeration air conditioning and tail end cold water storage system |
| CN108072138A (en) * | 2018-02-07 | 2018-05-25 | 华南理工大学建筑设计研究院 | A kind of middle temperature air conditioning system based on regional cold supply system |
| CN109282399A (en) * | 2018-08-23 | 2019-01-29 | 中国建筑西北设计研究院有限公司 | A kind of air conditioning water system of multi-stage refrigerating and end cascaded utilization of energy |
| WO2020037843A1 (en) * | 2018-08-23 | 2020-02-27 | 中国建筑西北设计研究院有限公司 | Air conditioner cooling water system for multi-stage cooling and cascade utilization of terminal energy |
| CN110686368A (en) * | 2019-09-26 | 2020-01-14 | 珠海格力电器股份有限公司 | Communication control device, internal machine, external machine, temperature controller, communication method and air conditioner |
| CN110686368B (en) * | 2019-09-26 | 2021-03-23 | 珠海格力电器股份有限公司 | Communication control device, internal machine, external machine, temperature controller, communication method and air conditioner |
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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: 20110831 |