CN102692054B - Cooling and heating special unit of heat source tower - Google Patents
Cooling and heating special unit of heat source tower Download PDFInfo
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- CN102692054B CN102692054B CN201210125554.5A CN201210125554A CN102692054B CN 102692054 B CN102692054 B CN 102692054B CN 201210125554 A CN201210125554 A CN 201210125554A CN 102692054 B CN102692054 B CN 102692054B
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Abstract
The invention discloses a cooling and heating special unit of a heat source tower, comprising a water heat exchanging system and a refrigerant heat exchanging switching system, wherein the refrigerant heat exchanging switching system includes a compressor, a heat exchanger specialized for the heat source tower, a functional heat exchanger, an oil separator, an electronic expansion valve, and a dry filter. A cooling loop is formed by connecting the compressor, the oil separator, the heat exchanger specialized for the heat source tower, the dry filter, the electronic expansion valve and the functional heat exchanger in turn through pipelines; and a heating loop is formed by connecting the compressor, the oil separator, the functional heat exchanger, the dry filter, the electronic expansion valve, and the heat exchanger specialized for the heat source tower in turn through pipelines. The cooling and heating special unit for the heat source tower not only has the advantages of energy saving, high efficiency, environmental protection, realization of possessing of three functions of cooling, heating and hot water providing by one system, and realization of low carbon, environmental protection, recycling economy and the like, but also has such significant effects as simple engineering construction, convenient operation, high efficiency, low cost, and reliable handling performance.
Description
Technical field
The present invention relates to a kind of air-conditioning unit, be specifically related to a kind of heat source tower refrigerating and heat-supplying special machine group system.
Background technology
Tradition utilizes heat source tower to carry out air-conditioning unit heat-exchange system and two part compositions of cold-producing medium heat-exchange system by water of refrigerating and heat-supplying, water route heat-exchange system is mainly made up of critical pieces such as set heat exchange device, heat source tower, room conditionings, be connected to form heat-exchange system by pipeline, in order to realize two functions of freezing in winter heating and summer, the normal complex pipeline that adopts connects, and more valve is installed on pipeline and is carried out switching controls, will bring more trouble to engineering construction like this, operate very inconvenient, inefficiency, increases cost; Because heat source tower system has antifreeze winter in the water system loop of tower one side, cause corrosion if switch meeting not in place to indoor heating system simultaneously.Pay close attention at society under the overall background of natural environment and weather conditions comprehensively, this traditional technology, obviously can not meet the strategic action of energy-saving and emission-reduction, ecological environment that China proposes, low-carbon economy, recycling economy, be necessary to propose new technical scheme and solve or improve conventional process techniques.
Summary of the invention
Goal of the invention: for the deficiencies in the prior art, the object of this invention is to provide a kind of heat source tower refrigerating and heat-supplying special machine group system, solve refrigeration, heat supply and these 3 functions of supplying hot water (option) to realize a set of system, to save capital fund simultaneously, improve system reliability, prolongation system service life, save operating cost, realize low-carbon (LC), environmental protection and recycling economy.
Technical scheme: in order to realize foregoing invention object, the technical solution used in the present invention is:
A kind of heat source tower refrigerating and heat-supplying special machine group system, comprise water route heat-exchange system and cold-producing medium heat-exchange system, described cold-producing medium heat-exchange system comprises compressor, heat source tower dedicated heat exchanger, function heat exchanger, oil eliminator, device for drying and filtering and electric expansion valve; Described compressor, oil eliminator and heat source tower dedicated heat exchanger, device for drying and filtering, electric expansion valve and function heat exchanger are connected rear formation refrigerating circuit successively by pipeline; Described compressor, oil eliminator, function heat exchanger, device for drying and filtering, electric expansion valve and heat source tower dedicated heat exchanger are connected successively rear formation by pipeline and heat loop.
On described compressor, be provided with secondary returning oil pipe line, described secondary returning oil pipe line all communicates with heat source tower dedicated heat exchanger and function heat exchanger.
Between described compressor and oil eliminator, be connected with return line one time, on a return line, be provided with oil strainer.
Be provided with the first valve, the second valve, the 5th valve and the 6th valve at described heat source tower dedicated heat exchanger, the first described valve and the 5th valve are located in refrigerating circuit, and the second described valve and the 6th valve are located at and heat on loop.
Be provided with the 3rd valve, the 4th valve, the 7th valve and the 8th valve at described function heat exchanger, described the 4th valve and the 8th valve are located in refrigerating circuit, and the 3rd described valve and the 7th valve are located at and heat on loop.
It is heat exchanger tube that described heat source tower dedicated heat exchanger adopts corronil pipe, and hydroecium is carried out to spraying corrosion resistant coating.
Described heat source tower dedicated heat exchanger is flooded evaporator, increases and has special erosion control baffle plate in inside.
Beneficial effect: compared with existing heat source tower refrigerating and heat-supplying unit, the special unit of heat source tower refrigerating and heat-supplying of the present invention, energy-conservation except having, efficient, environmental protection, a set of system solves refrigeration, heat supply and these 3 functions of supplying hot water, realize outside the advantages such as low-carbon (LC), environmental protection and recycling economy, also there is the remarkable results such as engineering construction is simple, easy to operate, efficiency is high, cost is low, handling is reliable, there is fine practicality, can produce good economic benefit and social effect.
Brief description of the drawings
Fig. 1 is the structural representation of cold-producing medium heat-exchange system;
Fig. 2 is the structural representation of water circuit system heat-exchange system.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention will be further explained.
As depicted in figs. 1 and 2, mainly heat-exchange system and cold-producing medium heat-exchange system form heat source tower refrigerating and heat-supplying special machine group system by water.Water route heat-exchange system is mainly made up of critical pieces such as heat source tower dedicated heat exchanger 2, function heat exchanger 3, expansion tank 15, room conditioning 16 and heat source towers 17, is connected to form heat-exchange system by pipeline.Cold-producing medium heat-exchange system is mainly made up of critical pieces such as compressor 1, heat source tower dedicated heat exchanger 2, function heat exchanger 3, oil eliminator 4, device for drying and filtering 5 and electric expansion valves 32.
Compressor 1 is connected with oil eliminator 4 by the first pipeline 18, oil eliminator 4 is connected with the first valve 7 by the second pipeline 19, the 5th valve 11 is connected with drier 5 by the 3rd pipeline 20, drier 5 is connected with electric expansion valve 32, the 8th valve 14 successively by the 4th pipeline 21, the 4th valve 10 is connected with compressor 1 by the 5th pipeline 22, after the first pipeline 18, the second pipeline 19, the 3rd pipeline 20, the 4th pipeline 21 and the 5th pipeline 22 are communicated with, forms refrigerating circuit.Oil eliminator 2 is connected with the 3rd valve 9 by the 6th pipeline 23, the 7th valve 13 is connected with drier 5 by the 7th pipeline 24, drier 5 is connected with electric expansion valve 32, the 6th valve 12 successively by the 8th pipeline 25, the second valve 8 is connected with compressor 1 by Jiu Guan 26 tunnels, after the first pipeline 18, the 6th pipeline 23, the 7th pipeline 24, the 8th pipeline 25 and the 9th pipeline 26 are communicated with, form and heats loop.The 6th pipeline 23 can be connected with the second pipeline 19, and the 9th pipeline 26 can be connected with the 5th pipeline 22.Between compressor 1 and oil eliminator 4, be connected with one time return line 27, on a return line 27, be provided with oil strainer 6.Heat source tower dedicated heat exchanger 2 is connected by the tenth pipeline 28 with function heat exchanger 3, is provided with secondary returning oil pipe line 29, the ten pipelines 28 and communicates with secondary returning oil pipe line 29 on compressor 1.The pipeline of water route heat-exchange system mainly comprises source water loop 30 and air conditioner water loop 31, source water loop 30 is connected between heat source tower dedicated heat exchanger 2 and heat source tower, air conditioner water loop 31 is connected between function heat exchanger 3 and room conditioning 16, expansion tank 15 and room conditioning 16 are located on air conditioner water loop 31, and heat source tower 17 is located on source water loop 30.
This heat source tower unit, winter in summer operating mode is switched employing refrigerant system and is switched, and greatly saves pipe-work and is connected with valve, reduces difficulty and the cycle of site operation.
Heat source tower dedicated heat exchanger 2, adopting corronil pipe is heat exchanger tube, and hydroecium is carried out to spraying corrosion resistant coating, adopts antifreezing agent to make refrigerating medium when adapting to open water system and winter condition.In addition, under different operating modes, heat source tower dedicated heat exchanger 2 can be used as condenser and flooded evaporator, and internal structure and flooded evaporator are basic identical, only need increase special erosion control baffle plate again.Function heat exchanger 3, except heat exchange tubing, similar with heat source tower dedicated heat exchanger 2, go for two kinds of operating modes, heat exchange tubing adopts copper pipe.Heat source tower dedicated heat exchanger 2 and function heat exchanger 3, all as flooded evaporator, all need to design loop pipeline, in the time using as evaporimeter, need respective electrical magnet valve to open.
This heat source tower refrigerating and heat-supplying special machine group system, work as follows:
Summer condition: refrigerant gas, after compressor 1 is discharged, enters oil eliminator 4, then now opens through the first valve 7(), enter heat source tower dedicated heat exchanger 2 and carry out condensation, heat is cooled, and to bring heat source tower into cooling for water (water in source water loop).Condensed refrigerant liquid enters device for drying and filtering 5 through the 5th valve 11, after electric expansion valve 32 reducing pressure by regulating flows, evaporate by the 8th valve 14 entered function heat exchangers 3, the temperature of chilled water (water in air conditioner water loop) is reduced simultaneously, supply with air-conditioning.The cold-producing medium having evaporated enters compressor 1 through the 4th valve 10.
Winter condition: refrigerant gas, after compressor 1 is discharged, enters oil eliminator 4, then now opens through the 3rd valve 9(), entered function heat exchanger 3 carries out condensation, and heat heating chilled water (water in air conditioner water loop) is supplied with air-conditioning after heating up.Condensed refrigerant liquid enters device for drying and filtering 5 through the 7th valve 13, after electric expansion valve reducing pressure by regulating flow, entering heat source tower dedicated heat exchanger 2 by the 6th valve 12 evaporates, the temperature of refrigerating medium (antifreezing agent in source water loop) is reduced, refrigerating medium enters heat source tower dedicated heat exchanger after utilizing heat source tower to absorb heat from air more simultaneously.The cold-producing medium having evaporated enters compressor 1 through the second valve 8.
The special unit of heat source tower refrigerating and heat-supplying of the present invention, energy-conservation except having, efficient, environmental protection, a set of system solves refrigeration, heat supply and these 3 functions of supplying hot water, realize outside the advantages such as low-carbon (LC), environmental protection and recycling economy, also there is the remarkable results such as engineering construction is simple, easy to operate, efficiency is high, cost is low, handling is reliable, there is fine practicality, can produce good economic benefit and social effect.
Claims (5)
1. the special unit of heat source tower refrigerating and heat-supplying, comprise water route heat-exchange system and cold-producing medium heat-exchange system, it is characterized in that: described cold-producing medium heat-exchange system comprises compressor (1), heat source tower dedicated heat exchanger (2), function heat exchanger (3), oil eliminator (4) and device for drying and filtering (5) and electric expansion valve (32); Described compressor (1), oil eliminator (4) and heat source tower dedicated heat exchanger (2), device for drying and filtering (5), electric expansion valve (32) and function heat exchanger (3) are connected rear formation refrigerating circuit successively by pipeline; Described compressor (1), oil eliminator (4), function heat exchanger (3), device for drying and filtering (5), electric expansion valve (32) are connected successively rear formation with heat source tower dedicated heat exchanger (2) by pipeline and heat loop; Be provided with the first valve (7), the second valve (8), the 5th valve (11) and the 6th valve (12) at described heat source tower dedicated heat exchanger (2), described the first valve (7) and the 5th valve (11) are located in refrigerating circuit, and described the second valve (8) and the 6th valve (12) are located at and heat on loop; Be provided with the 3rd valve (9), the 4th valve (10), the 7th valve (13) and the 8th valve (14) at described function heat exchanger (3), described the 4th valve (10) and the 8th valve (14) are located in refrigerating circuit, and the 3rd described valve (9) and the 7th valve (13) are located at and heat on loop.
2. the special unit of heat source tower refrigerating and heat-supplying according to claim 1, it is characterized in that: between described compressor (1) and oil eliminator (4), be connected with a return line (27), on a return line (27), be provided with oil strainer (6).
3. heat source tower refrigerating and heat-supplying special machine group system according to claim 1, is characterized in that: it is heat exchanger tube that described heat source tower dedicated heat exchanger (2) adopts corronil pipe, and hydroecium is carried out to spraying corrosion resistant coating.
4. heat source tower refrigerating and heat-supplying special machine group system according to claim 1, is characterized in that: described heat source tower dedicated heat exchanger (2) is flooded evaporator, increases and has special erosion control baffle plate in inside.
5. the special unit of heat source tower refrigerating and heat-supplying according to claim 1, it is characterized in that: on described compressor (1), be provided with secondary returning oil pipe line (29), described secondary returning oil pipe line (29) all communicates with heat source tower dedicated heat exchanger (2) and function heat exchanger (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210125554.5A CN102692054B (en) | 2012-04-26 | 2012-04-26 | Cooling and heating special unit of heat source tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210125554.5A CN102692054B (en) | 2012-04-26 | 2012-04-26 | Cooling and heating special unit of heat source tower |
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| Publication Number | Publication Date |
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| CN102692054A CN102692054A (en) | 2012-09-26 |
| CN102692054B true CN102692054B (en) | 2014-09-24 |
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| CN201210125554.5A Active CN102692054B (en) | 2012-04-26 | 2012-04-26 | Cooling and heating special unit of heat source tower |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104235984B (en) * | 2014-09-18 | 2017-07-07 | 江苏辛普森新能源有限公司 | Heat source tower heat pump air-conditioner set with ice-reserving function |
| CN104374024A (en) * | 2014-10-27 | 2015-02-25 | 昆山台佳机电有限公司 | Integrated flooded water source heat pump unit with refrigerant side switching function |
| CN112797662B (en) * | 2021-01-07 | 2022-11-22 | 青岛海尔空调电子有限公司 | Heat source tower heat pump system |
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