CN103471295A - Chilled water system of parallel volume expansion refrigeration machine - Google Patents
Chilled water system of parallel volume expansion refrigeration machine Download PDFInfo
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- CN103471295A CN103471295A CN2013104281851A CN201310428185A CN103471295A CN 103471295 A CN103471295 A CN 103471295A CN 2013104281851 A CN2013104281851 A CN 2013104281851A CN 201310428185 A CN201310428185 A CN 201310428185A CN 103471295 A CN103471295 A CN 103471295A
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Abstract
The invention relates to a chilled water system of a parallel volume expansion refrigeration machine. The chilled water system of the parallel volume expansion refrigeration machine comprises a chilled water tank, a chilled water circulation pump group, a refrigeration machine unit and a circulation pipeline, wherein the chilled water tank, the chilled water circulation pump group and the refrigeration machine unit are sequentially connected through the circulation pipeline, a hot water inlet is formed in the chilled water tank, a cold water outlet is formed in the refrigeration machine unit, the circulation pipeline comprises a refrigeration machine parallel connection pipeline and a chilled water circulation pump parallel connection pipeline, the refrigeration machine unit comprises three refrigeration machines, the three refrigeration machines are connected in parallel through the refrigeration machine parallel connection pipeline, and a butterfly valve is respectively arranged on the refrigeration machine parallel connection pipeline in positions of the water inlet and the water outlet of each refrigeration machine. The chilled water system of the parallel volume expansion refrigeration machine provided by the invention has the advantages that the structure is simple, the use is convenient, the cost is low, the effect is obvious, in addition, through the design of the parallel connection machine unit and the addition of a control end, the refrigeration quantity regulation and the circulation motive power control are realized, and the wide application to the transformation and the upgrading of the traditional chilled water system is realized.
Description
Technical field
The present invention relates to a kind of chilled water system, particularly a kind of dilatation refrigeration machine chilled water system arranged side by side.
Background technology
Existing chilled water system is for to couple together refrigeration plant, the pump housing and cold water holding vessel by pipeline, the on-the-spot water route of two ends cut-in operation again, refrigerating capacity is limited to the specified output of refrigeration plant itself, adjust according to actual needs refrigerating capacity and implement very trouble, change refrigeration plant and improved especially cost; In addition, the power rear pump of its pipeline is non-adjustable, is difficult to accomplish real-time control piper fluid pressure, and cold water holding vessel self does not also attach the function of circulation precooling.
Summary of the invention
The technical problem to be solved in the present invention is the above-mentioned defect that how to overcome prior art, and a kind of dilatation refrigeration machine chilled water system arranged side by side is provided.
For solving the problems of the technologies described above, this dilatation refrigeration machine chilled water system arranged side by side comprises freezing water pot, the chilled water circulating pump group, refrigeration unit and circulation line, wherein said freezing water pot, the chilled water circulating pump group is connected by circulation line successively with refrigeration unit, described freezing water pot is provided with the hot water inlet, described refrigeration unit is provided with cooling water outlet, described circulation line comprises refrigeration machine parallel pipeline and chilled water circulating pump parallel pipeline, described refrigeration unit comprises three refrigeration machines, three refrigeration machines are connected in parallel by the refrigeration machine parallel pipeline, every refrigeration machine is equipped with butterfly valve on the refrigeration machine parallel pipeline of water inlet and water outlet.So design, many refrigeration machines are arranged in parallel, can be as required, by controlling chilled water circulating pump in butterfly valve on the refrigeration machine parallel pipeline and chilled water circulating pump group, adjust refrigeration machine and chilled water and follow unlatching quantity, realize saving and the reasonable disposition of the energy and cost.
As optimization, described chilled water circulating pump group comprises two chilled water circulating pumps that are arranged in parallel on the chilled water circulating pump parallel pipeline, described chilled water circulating pump union road comprises two branch roads, be equipped with a chilled water circulating pump on branch road, and be equipped with butterfly valve on the pipeline of chilled water circulating pump upstream and downstream, after two branch roads merge in two ends, and access respectively freezing water pot and refrigeration machine parallel pipeline.So design, many chilled water circulating pumps are arranged in parallel, and can by controlling the butterfly valve on the chilled water circulating pump parallel pipeline, adjust chilled water and follow the hydraulic pressure of opening quantity and jumping out as required, have reduced the waste of the energy and cost.
As optimization, also be provided with a self-loopa pipeline on described freezing water pot, be provided with successively butterfly valve, self-circulating pump and self-circulation cold condenser by this self-loopa pipeline of loop direction.So design, can realize precooling in advance in freezing water pot, improved the operating efficiency of system.
As optimization, in described refrigeration unit, each refrigeration machine includes evaporimeter, condenser and refrigeration compressor.
The present invention's dilatation refrigeration machine arranged side by side chilled water system is simple in structure, easy to use, with low cost, successful, by unit design in parallel and increase control end, realized that refrigerating capacity is regulated and circulation power is controlled, realized transformation and the upgrading of extensively applicable traditional chilled water system.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention's dilatation refrigeration machine arranged side by side chilled water system is described further:
Fig. 1 is the structural representation of this dilatation refrigeration machine chilled water system arranged side by side.
In figure: the freezing water pot of 1-, 2-chilled water circulating pump group, 3-refrigeration unit, 4-circulation line, 5-hot water inlet, 6-cooling water outlet, 7-refrigeration machine parallel pipeline, 8-chilled water circulating pump parallel pipeline, 9-refrigeration machine, 10-water inlet, 11-delivery port, 12-butterfly valve, 13-chilled water circulating pump, 14-self-loopa pipeline, 15-self-circulating pump, 16-self-circulation cold condenser, 17-evaporimeter, 18-condenser, 19-refrigeration compressor.
The specific embodiment
As shown in Figure 1, this dilatation refrigeration machine chilled water system arranged side by side comprises freezing water pot 1, chilled water circulating pump group 2, refrigeration unit 3 and circulation line 4, wherein said freezing water pot 1, chilled water circulating pump group 2 is connected by circulation line 4 successively with refrigeration unit 3, described freezing water pot 1 is provided with hot water inlet 5, described refrigeration unit 3 is provided with cooling water outlet 6, described circulation line 4 comprises refrigeration machine parallel pipeline 7 and chilled water circulating pump parallel pipeline 8, described refrigeration unit 3 comprises three refrigeration machines 9, three refrigeration machines 9 are connected in parallel by refrigeration machine parallel pipeline 7, every refrigeration machine 9 is equipped with butterfly valve 12 on the refrigeration machine parallel pipeline at water inlet 10 and delivery port 11 places.Described chilled water circulating pump group 2 comprises two chilled water circulating pumps 13 that are arranged in parallel on chilled water circulating pump parallel pipeline 8, described chilled water circulating pump union road 8 comprises two branch roads, be equipped with a chilled water circulating pump 13 on branch road, and be equipped with butterfly valve 12 on the pipeline of chilled water circulating pump 13 upstream and downstream, after two branch roads merge in two ends, and access respectively freezing water pot 1 and refrigeration machine parallel pipeline 7.Also be provided with a self-loopa pipeline 14 on described freezing water pot 1, by this self-loopa pipeline 14 of loop direction, be provided with successively butterfly valve 12, self-circulating pump 15 and self-circulation cold condenser 16.In described refrigeration unit 3, each refrigeration machine 9 includes evaporimeter 17, condenser 18 and refrigeration compressor 19.
The present invention includes but be not limited to above-mentioned embodiment, any product that meets the description of these claims, within all falling into protection scope of the present invention.
Claims (4)
1. a dilatation refrigeration machine chilled water system arranged side by side, it is characterized in that: comprise freezing water pot (1), chilled water circulating pump group (2), refrigeration unit (3) and circulation line (4), wherein said freezing water pot (1), chilled water circulating pump group (2) is connected by circulation line (4) successively with refrigeration unit (3), described freezing water pot (1) is provided with hot water inlet (5), described refrigeration unit (3) is provided with cooling water outlet (6), described circulation line (4) comprises refrigeration machine parallel pipeline (7) and chilled water circulating pump parallel pipeline (8), described refrigeration unit (3) comprises three refrigeration machines (9), three refrigeration machines (9) are connected in parallel by refrigeration machine parallel pipeline (7), be equipped with butterfly valve (12) on the refrigeration machine parallel pipeline that every refrigeration machine (9) is located in water inlet (10) and delivery port (11).
2. dilatation refrigeration machine chilled water system arranged side by side according to claim 1, it is characterized in that: described chilled water circulating pump group (2) comprises two chilled water circulating pumps (13) that are arranged in parallel on chilled water circulating pump parallel pipeline (8), described chilled water circulating pump union road (8) comprises two branch roads, be equipped with a chilled water circulating pump (13) on branch road, and be equipped with butterfly valve (12) on the pipeline of chilled water circulating pump (13) upstream and downstream, after two branch roads merge in two ends, and access respectively freezing water pot (1) and refrigeration machine parallel pipeline (7).
3. dilatation refrigeration machine chilled water system arranged side by side according to claim 3, it is characterized in that: also be provided with a self-loopa pipeline (14) on described freezing water pot (1), by this self-loopa pipeline (14) of loop direction, be provided with successively butterfly valve (12), self-circulating pump (15) and self-circulation cold condenser (16).
4. dilatation refrigeration machine chilled water system arranged side by side according to claim 3, it is characterized in that: in described refrigeration unit (3), each refrigeration machine (9) includes evaporimeter (17), condenser (18) and refrigeration compressor (19).
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CN201310428185.1A CN103471295B (en) | 2013-09-18 | 2013-09-18 | Parallel volume expansion refrigeration chilled water system |
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CN201310428185.1A CN103471295B (en) | 2013-09-18 | 2013-09-18 | Parallel volume expansion refrigeration chilled water system |
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CN103471295B CN103471295B (en) | 2016-01-20 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201104041Y (en) * | 2007-11-15 | 2008-08-20 | 南京五洲制冷集团有限公司 | Large temperature difference low-temperature water supply units |
WO2010122932A1 (en) * | 2009-04-20 | 2010-10-28 | 三菱重工業株式会社 | Refrigeration device for land transportation |
CN201943044U (en) * | 2010-12-16 | 2011-08-24 | 长江勘测规划设计研究有限责任公司 | Air-cooler water refrigeration system |
CN202770088U (en) * | 2012-08-21 | 2013-03-06 | 上海阿尔西空调系统服务有限公司 | Closed natural cooling system of big temperature difference craft cooling water |
CN202885171U (en) * | 2012-10-31 | 2013-04-17 | 广州泰阳能源科技有限公司 | Central air-conditioning cooling device used for load shifting and redundant disaster of data equipment |
CN203572109U (en) * | 2013-09-18 | 2014-04-30 | 江苏丽天石化码头有限公司 | Chilled water system of parallel volume expansion refrigeration machines |
-
2013
- 2013-09-18 CN CN201310428185.1A patent/CN103471295B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201104041Y (en) * | 2007-11-15 | 2008-08-20 | 南京五洲制冷集团有限公司 | Large temperature difference low-temperature water supply units |
WO2010122932A1 (en) * | 2009-04-20 | 2010-10-28 | 三菱重工業株式会社 | Refrigeration device for land transportation |
CN201943044U (en) * | 2010-12-16 | 2011-08-24 | 长江勘测规划设计研究有限责任公司 | Air-cooler water refrigeration system |
CN202770088U (en) * | 2012-08-21 | 2013-03-06 | 上海阿尔西空调系统服务有限公司 | Closed natural cooling system of big temperature difference craft cooling water |
CN202885171U (en) * | 2012-10-31 | 2013-04-17 | 广州泰阳能源科技有限公司 | Central air-conditioning cooling device used for load shifting and redundant disaster of data equipment |
CN203572109U (en) * | 2013-09-18 | 2014-04-30 | 江苏丽天石化码头有限公司 | Chilled water system of parallel volume expansion refrigeration machines |
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