CN218379563U - Large-temperature-difference heat exchange unit and heat exchange system - Google Patents
Large-temperature-difference heat exchange unit and heat exchange system Download PDFInfo
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- CN218379563U CN218379563U CN202222704186.1U CN202222704186U CN218379563U CN 218379563 U CN218379563 U CN 218379563U CN 202222704186 U CN202222704186 U CN 202222704186U CN 218379563 U CN218379563 U CN 218379563U
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Abstract
The utility model provides a big difference in temperature heat exchanger group and heat transfer system, include: the first water inlet of the heat exchanger is used for communicating a primary water supply pipeline, the first water outlet of the heat exchanger is used for communicating a primary water return pipeline, the second water inlet of the heat exchanger is used for communicating a secondary water return pipeline, and the second water outlet of the heat exchanger is used for communicating a secondary water supply pipeline; and the first water inlet of the heat pump unit is communicated with the first water outlet of the heat exchanger, the first water outlet of the heat pump unit is used for communicating a primary water return pipeline, the second water inlet of the heat pump unit is used for communicating a secondary water return pipeline, and the second water outlet of the heat pump unit is used for communicating a secondary water supply pipeline. The utility model discloses increased the heat pump set structure again on the heat exchanger basis, through the reasonable tube coupling that sets up between heat exchanger, heat pump set and the circulation water route, the heat exchange efficiency that can make full use of plate heat exchanger and the high COP value of magnetic suspension heat pump carry out the increase and joining in marriage of heat transfer system and carry out the effect.
Description
Technical Field
The utility model relates to a heating system technical field, concretely relates to be used for big difference in temperature heat exchanger group and heat transfer system.
Background
With the increasingly accelerated urbanization process in China, the area of central heating is continuously increased, and the demand of the central heating is continuously vigorous. The existing heat supply pipe network has limited conveying capacity, and the construction investment cost of the heat supply network is higher and higher along with the extension of the heat supply radius.
At present, most urban central heating still adopts a heat supply operation mode with large flow and small temperature difference, so that the power consumption and the heat consumption are not saved, certain requirements are imposed on the quality of a heat source and the conveying capacity of a pipe network, the heat of the heat source is absorbed insufficiently, and the heat loss and waste are caused. The heat exchange system composed of the conventional plate heat exchanger is relatively low in efficiency due to the fact that heat exchange is influenced by the temperature difference between the first net and the second net, heat is difficult to be fully absorbed and converted, the temperature of primary return water is about 40 ℃, large energy waste is caused, and the temperature of the primary return water is difficult to be reduced to be lower than 30 ℃.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model discloses make full use of plate heat exchanger's heat exchange efficiency and magnetic suspension heat pump's high COP value carry out heat transfer system's increasing and join in marriage and carry the effect, concrete technical scheme as follows:
a large temperature difference heat exchange unit comprises:
the first water inlet of the heat exchanger is used for being communicated with a primary water supply pipeline, the first water outlet of the heat exchanger is used for being communicated with a primary water return pipeline, the second water inlet of the heat exchanger is used for being communicated with a secondary water return pipeline, and the second water outlet of the heat exchanger is used for being communicated with a secondary water supply pipeline; and
the heat pump unit, this heat pump unit's third water inlet with the first delivery port intercommunication of heat exchanger, heat pump unit's third delivery port is used for communicateing one-level return water pipeline, and heat pump unit's fourth water inlet is used for communicateing second grade return water pipeline, and heat pump unit's fourth delivery port is used for communicateing the second grade water supply pipe way.
Furthermore, a pipeline at a second water inlet of the heat exchanger is communicated with a pipeline at a second water outlet of the heat exchanger through a first pipeline, and a first ball valve used for controlling the on-off of the first pipeline is arranged on the first pipeline.
Still provide a heat transfer system, include:
a primary water supply pipeline, a primary water return pipeline, a secondary water return pipeline and a secondary water supply pipeline which exchange heat through the heat exchanger;
the first water inlet of the heat exchanger is communicated with the primary water supply pipeline, the first water outlet of the heat exchanger is communicated with the primary water return pipeline, the second water inlet of the heat exchanger is communicated with the secondary water return pipeline, and the second water outlet of the heat exchanger is communicated with the secondary water supply pipeline; and
the heat pump unit, the third water inlet of this heat pump unit with one-level return water pipeline and the first delivery port intercommunication of heat exchanger, the third delivery port intercommunication of heat pump unit the one-level return water pipeline, the fourth water inlet of heat pump unit with second grade return water pipeline and the second water inlet intercommunication of heat exchanger, the fourth delivery port of heat pump unit with the second delivery port intercommunication of second grade water supply pipe way and heat exchanger.
According to the technical scheme provided by the utility model, the utility model discloses increased the heat pump set structure again on the heat exchanger basis, through the pipe connection between reasonable setting heat exchanger, heat pump set and the circulation water route, the high COP value that can make full use of plate heat exchanger's heat exchange efficiency and magnetic suspension heat pump carries out heat transfer system's increase and join in marriage and carry out the effect.
Drawings
Fig. 1 is a schematic diagram of the pipeline structure of the present invention.
Detailed Description
The present invention will be described in detail with reference to the drawings and specific embodiments, wherein prior to describing the technical aspects of the embodiments of the present invention in detail, the terms and the like are explained, and in the present specification, the components with the same names or the same reference numbers represent the similar or the same structures and are only used for illustrative purposes.
The utility model provides a big difference in temperature heat exchanger group, including heat exchanger 10 and heat pump set 20, heat exchanger 10 can be with the heat exchange of one-level circulating water to the second grade circulating water in, and heat pump set 20 can further utilize the temperature of one-level return water to heat the second grade return water, improves energy efficiency. The utility model discloses a big difference in temperature heat exchanger unit is arranged in heat transfer system, and this heat transfer system still includes one-level supply channel 30, one-level return water pipeline 40, second grade return water pipeline 50 and second grade supply channel 60, and these pipelines can set up ball valve, manometer, thermometer, electrical control valve as required on the road, wherein still can set up the calorimeter on the one-level return water pipeline 40, still can set up the flow meter on the second grade supply channel 60.
As shown in fig. 1, the heat exchanger 10 is a plate heat exchanger, the first water inlet 11 of the heat exchanger 10 is communicated with the primary water supply pipeline 30, the first water outlet 12 of the heat exchanger 10 is communicated with the primary water return pipeline 40, the second water inlet 13 of the heat exchanger 10 is communicated with the secondary water return pipeline 50, and the second water outlet 14 of the heat exchanger 10 is communicated with the secondary water supply pipeline 60.
A pipeline at a second water inlet 13 of the heat exchanger 10 is communicated with a pipeline at a second water outlet 14 of the heat exchanger 10 through a first pipeline 15, and a first ball valve 16 for controlling the on-off of the first pipeline 15 is arranged on the first pipeline 15. When the two-network primary operation pipeline is cleaned, the first ball valve 16 is opened, and meanwhile, the valve of the second water outlet 14 of the heat exchanger 10 is closed, so that primary operation water cannot pass through the heat exchanger 10, but circulates through the first pipeline 15, and impurities are prevented from being remained in the heat exchanger 10 to influence the heat exchange effect.
In this embodiment, the heat pump unit 20 is a magnetic suspension compressor heat pump unit, the third water inlet 21 of the heat pump unit 20 is communicated with the primary water return pipeline 40 and the first water outlet 12 of the heat exchanger 10, the third water outlet 22 of the heat pump unit 20 is communicated with the primary water return pipeline 40, the fourth water inlet 23 of the heat pump unit 20 is communicated with the secondary water return pipeline 50 and the second water inlet 13 of the heat exchanger 10, and the fourth water outlet 24 of the heat pump unit 10 is communicated with the secondary water supply pipeline 60 and the second water outlet 14 of the heat exchanger 10. The second pipeline 25 of the heat pump unit 20 for communicating with the secondary water supply pipeline 60 is also provided with a heat meter.
In this embodiment, the temperature of water entering the heat exchanger 10 from the primary water supply line 30 is 80 ℃, the temperature of water entering the primary water return line 40 after heat exchange is 40 ℃, the water is divided into two parts, one part enters the third water inlet 21 of the heat pump unit 20, the other part enters the primary circulating water, the temperature of water flowing out of the third water outlet 22 of the heat pump unit 20 is reduced to 20 ℃, and then the water is merged into the primary circulating water. The water temperature entering the heat exchanger 10 from the secondary water return pipeline 50 is 35 ℃, the water temperature entering the secondary water supply pipeline 60 after heat exchange can rise to 45 ℃, a part of the water path of the secondary water return pipeline 50 enters the fourth water inlet 23 of the heat pump unit 20, and the water path enters the secondary water supply pipeline 60 from the fourth water outlet 24 through the second pipeline 25 after heat exchange is carried out to 45 ℃.
The above embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (6)
1. The utility model provides a big difference in temperature heat exchanger group which characterized in that includes:
the heat exchanger (10), a first water inlet (11) of the heat exchanger (10) is used for being communicated with a primary water supply pipeline, a first water outlet (12) of the heat exchanger is used for being communicated with a primary water return pipeline, a second water inlet (13) of the heat exchanger (10) is used for being communicated with a secondary water return pipeline, and a second water outlet (14) of the heat exchanger (10) is used for being communicated with a secondary water supply pipeline; and
the heat pump unit (20), the third water inlet (21) of this heat pump unit (20) with first delivery port (12) intercommunication of heat exchanger (10), the third delivery port (22) of heat pump unit (20) are used for communicateing one-level return water pipeline, and the fourth water inlet (23) of heat pump unit (20) are used for communicateing second grade return water pipeline, and the fourth delivery port (24) of heat pump unit (20) are used for communicateing the second grade water supply pipeline.
2. The large-temperature-difference heat exchange unit according to claim 1, wherein a pipeline at a second water inlet (13) of the heat exchanger (10) is communicated with a pipeline at a second water outlet (14) of the heat exchanger (10) through a first pipeline (15), and a first ball valve (16) for controlling the on-off of the first pipeline (15) is arranged on the first pipeline (15).
3. The large-temperature-difference heat exchange unit according to claim 1, wherein a heat meter is arranged on a second pipeline (25) of the heat pump unit (20) for communicating with a secondary water supply pipeline.
4. The large temperature difference heat exchange unit according to any one of claims 1 to 3, wherein the heat exchanger (10) is a plate heat exchanger.
5. The large-temperature-difference heat exchange unit according to any one of claims 1-3, characterized in that the heat pump unit (20) is a magnetic suspension compressor heat pump unit.
6. A heat exchange system, comprising:
a primary water supply pipeline (30), a primary water return pipeline (40), a secondary water return pipeline (50) and a secondary water supply pipeline (60) which exchange heat through the heat exchanger (10);
the first water inlet (11) of the heat exchanger (10) is communicated with the primary water supply pipeline (30), the first water outlet (12) of the heat exchanger (10) is communicated with the primary water return pipeline (40), the second water inlet (13) of the heat exchanger (10) is communicated with the secondary water return pipeline (50), and the second water outlet (14) of the heat exchanger (10) is communicated with the secondary water supply pipeline (60); and
the heat pump unit (20), the third water inlet (21) of this heat pump unit (20) with one-level return water pipeline (40) and first delivery port (12) intercommunication of heat exchanger (10), the third delivery port (22) intercommunication of heat pump unit (20) one-level return water pipeline (40), the fourth water inlet (23) of heat pump unit (20) with second grade return water pipeline (50) and second water inlet (13) intercommunication of heat exchanger (10), fourth delivery port (24) of heat pump unit (20) with second grade water supply pipeline (60) and second delivery port (14) intercommunication of heat exchanger (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222704186.1U CN218379563U (en) | 2022-10-13 | 2022-10-13 | Large-temperature-difference heat exchange unit and heat exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222704186.1U CN218379563U (en) | 2022-10-13 | 2022-10-13 | Large-temperature-difference heat exchange unit and heat exchange system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218379563U true CN218379563U (en) | 2023-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222704186.1U Active CN218379563U (en) | 2022-10-13 | 2022-10-13 | Large-temperature-difference heat exchange unit and heat exchange system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218379563U (en) |
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2022
- 2022-10-13 CN CN202222704186.1U patent/CN218379563U/en active Active
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Address after: 230001 Building D6, Hefei Financial Plaza, No. 666, Linhu Road, Luyang District, Hefei City, Anhui Province Patentee after: Hefei Ruina Intelligent Energy Management Co.,Ltd. Address before: Room 2604, Tower C, Jinzuo, Tuoji City Plaza, Changjiang West Road, High tech Zone, Hefei, Anhui Province, 230088 Patentee before: Hefei Ruina Intelligent Energy Management Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |