CN212806134U - Heat pump system using latent heat and sensible heat of ammonia refrigeration system as heat source - Google Patents
Heat pump system using latent heat and sensible heat of ammonia refrigeration system as heat source Download PDFInfo
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- CN212806134U CN212806134U CN202021139176.2U CN202021139176U CN212806134U CN 212806134 U CN212806134 U CN 212806134U CN 202021139176 U CN202021139176 U CN 202021139176U CN 212806134 U CN212806134 U CN 212806134U
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Abstract
The utility model discloses an use latent, the heat pump system of sensible heat as the heat source of ammonia refrigerating system, include: the ammonia side inlet of the sensible heat exchanger is communicated with the ammonia refrigeration system exhaust pipeline; the water side outlet of the latent heat exchanger is connected with the water side inlet of the sensible heat exchanger, the water side outlet of the sensible heat exchanger is connected with the water storage system, the ammonia side inlet of the latent heat exchanger is connected with the ammonia side inlet of the sensible heat exchanger, the ammonia side inlet of the sensible heat exchanger is connected with the ammonia side outlet of the sensible heat exchanger, the hot side outlet of the shallow heat exchanger is connected with the exhaust pipeline of the ammonia refrigeration system, ammonia which has provided latent heat and sensible heat is returned to the exhaust pipeline of the ammonia refrigeration system, and the ammonia refrigeration system continues to circulate. The utility model aims at providing a heat pump system with latent, sensible heat of ammonia refrigerating system as the heat source to the recycle of ammonia refrigerating system condensation heat.
Description
Technical Field
The utility model particularly relates to a heat pump system, concretely relates to heat pump system with latent, the sensible heat of ammonia refrigerating system as the heat source.
Background
At present, for the food processing and freezing and refrigerating industries, on one hand, the condensation heat of an ammonia refrigeration system is discharged to the atmosphere, and on the other hand, the energy consumption of a boiler is used for supplying hot water and steam, or the steam is directly purchased. From the energy utilization perspective analysis, the energy between refrigeration and heating is not reasonably and effectively combined and utilized, and huge energy waste exists.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a heat pump system with latent, sensible heat of ammonia refrigerating system as the heat source to the recycle of ammonia refrigerating system condensation heat.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
a heat pump system having latent and sensible heat from an ammonia refrigeration system as a heat source, comprising:
an ammonia refrigeration system exhaust pipeline with ammonia with latent and sensible condensation heat;
the ammonia side inlet of the sensible heat exchanger is communicated with an exhaust pipeline of the ammonia refrigeration system;
the ammonia side inlet of the latent heat exchanger is connected with the ammonia side outlet of the sensible heat exchanger, the hot side outlet of the shallow heat exchanger is connected with the exhaust pipeline of the ammonia refrigeration system, ammonia which has provided latent heat and sensible heat is returned to the exhaust pipeline of the ammonia refrigeration system, and the ammonia is continuously supplied to the circulation of the refrigeration system.
Optionally, the water storage system is a water storage tank.
Optionally, a heating module is arranged between the water inlet side of the water storage tank and the water outlet side of the sensible heat exchanger.
Optionally, the heating module comprises:
a water side inlet of the heat pump condenser is connected with a water side outlet of the sensible heat exchanger, and a water side outlet of the heat pump condenser is connected with an inlet of the water storage tank;
the working medium side inlet of the heat pump condenser is connected with the exhaust port of the heat pump compressor;
the heat pump evaporator comprises a heat pump evaporator, a working medium side return air port of the heat pump evaporator is connected with an air inlet of a heat pump compressor, a liquid inlet of the heat pump evaporator is connected with a liquid outlet of a heat pump condenser, an ammonia side inlet of the heat pump evaporator is connected with a hot side outlet of a latent heat exchanger, and an ammonia side outlet of the heat pump evaporator is connected with a liquid supply pipeline of an ammonia refrigeration system.
Optionally, a main stop valve is arranged on the ammonia refrigeration system exhaust pipeline, and branch stop valves are arranged on a branch pipeline connecting the ammonia refrigeration system exhaust pipeline and the sensible heat exchanger and on an air return pipeline connecting the shallow heat exchanger and the ammonia refrigeration system exhaust pipeline.
Optionally, the working fluid in the heat pump evaporator, the heat pump compressor and the heat pump condenser is R134 a.
The technical scheme of the utility model, have following advantage:
1. the condensation heat generated by the ammonia refrigeration compressor unit in the production process can be directly utilized through a latent heat exchanger and a sensible heat exchanger to prepare hot water at 35-40 ℃; the water temperature is raised to 60 ℃ through the heat pump module so as to meet the hot water requirement of the production process, and the condensation heat of the refrigeration system is recycled to prepare hot water required by the production process, so that the enterprise cost is reduced, the enterprise benefit is improved, and the energy utilization is also improved.
2. The arrangement of the latent heat exchanger and the sensible heat exchanger can fully utilize condensation heat, and the energy efficiency ratio of the whole heat pump system is greatly improved.
3. The heat pump system can not be operated when the condensation heat is little through the switching of the valve, so as to ensure the stable operation of the refrigerating system.
4. The heat pump system has high energy efficiency ratio, high profit, high return on investment and good market application prospect, and meanwhile, the heat pump system is recycled, saves energy and reduces emission.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
in the figure: 1. a refrigeration system exhaust conduit; 2. a branch cut-off valve; 3. a master cut-off valve; 4. a branch cut-off valve; 5. a heat pump evaporator; 6. a heat pump compressor; 7. a heat pump condenser; 8. a water storage tank; 9. a refrigeration system liquid supply conduit; 10. a latent heat exchanger; 11. a sensible heat exchanger.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
The heat pump system of this embodiment, which uses latent heat and sensible heat of an ammonia refrigeration system as heat sources, is shown in fig. 1, and includes a latent heat exchanger 10, a sensible heat exchanger 11, a heat pump evaporator 5, a heat pump compressor 6, a heat pump condenser 7, and a water storage tank 8, and is characterized in that: the inlet at the hot side of the sensible heat exchanger 11 is ammonia with a large amount of latent and sensible condensation, which is branched from the exhaust pipeline 1 of the refrigeration system, and the outlet at the hot side of the latent heat exchanger 10 is ammonia which is completely provided with latent and sensible heat, which returns to the exhaust pipeline 1 of the refrigeration system and is continuously supplied for the circulation of the refrigeration system.
Refrigerating system exhaust duct 1 is through main stop valve 3, branch stop valve 2 and branch stop valve 4 are connected with heat pump system, the water side export of latent heat exchanger 10 links to each other with 11 water side intakes of sensible heat exchanger, the ammonia side import of latent heat exchanger 10 links to each other with 11 ammonia side exports of sensible heat exchanger, the water side export of sensible heat exchanger 11 links to each other with 7 water side imports of heat pump condenser, 7 water side exports of heat pump condenser link to each other with 8 imports of water storage tank, 7 working medium side imports of heat pump condenser link to each other with 6 exhaust of heat pump compressor, 7 working medium side exports of heat pump condenser link to each other with 5 working medium side confession liquid of heat pump evaporator, 5 working medium side return air of heat pump evaporator and 6 inspiration link to each other, 5 ammonia side imports of heat pump evaporator link to each other with 10 hot side exports.
The working process of the utility model is as follows: the main stop valve 3 is closed, the branch stop valve 2 and the branch stop valve 4 are opened, then the exhaust gas with a large amount of condensation heat in the exhaust pipeline 1 of the refrigeration system enters the sensible heat exchanger 11 through the branch, the exhaust gas enters the latent heat exchanger 10 after heat exchange, the normal temperature water at 15 ℃ entering the heat exchanger is sequentially heated to about 35 ℃ by using latent heat and sensible heat, the heated water enters the heat pump condenser 7 and is subjected to heat exchange with the gas above 65 ℃ compressed and discharged by the R134a heat pump compressor 6, and the hot water at 60 ℃ is generated to enter the water storage tank 8 for production and use. The condensed R134a liquid flows into the heat pump evaporator 5 after being throttled, is evaporated by ammonia with condensation heat from the refrigeration system, and returns to the heat pump compressor 6 through the R134a, so that the circulation is completed. The ammonia liquid condensed in the heat pump evaporator 5 flows into a liquid supply pipeline 9 of the refrigeration system and returns to the refrigeration system for circulation. The ammonia cooled by water in the latent heat exchanger 10 is continuously returned to the exhaust pipeline 1 of the refrigeration system for refrigeration cycle, and a small amount of condensed ammonia liquid is discharged into the liquid supply pipeline 9 of the refrigeration system and returned to the refrigeration system.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (6)
1. A heat pump system using latent heat and sensible heat of an ammonia refrigeration system as heat sources,
the method comprises the following steps:
an ammonia refrigeration system exhaust pipeline with ammonia with latent and sensible condensation heat;
the ammonia side inlet of the sensible heat exchanger is communicated with an exhaust pipeline of the ammonia refrigeration system;
the ammonia side inlet of the latent heat exchanger is connected with the ammonia side outlet of the sensible heat exchanger, the hot side outlet of the shallow heat exchanger is connected with the exhaust pipeline of the ammonia refrigeration system, ammonia which has provided latent heat and sensible heat is returned to the exhaust pipeline of the ammonia refrigeration system, and the ammonia is continuously supplied to the circulation of the refrigeration system.
2. The heat pump system using latent and sensible heat of an ammonia refrigeration system as a heat source as recited in claim 1 wherein said water storage system is a water storage tank.
3. The heat pump system using latent and sensible heat of an ammonia refrigeration system as a heat source as recited in claim 2 wherein a heating module is disposed between the water inlet side of said water storage tank and the water outlet side of said sensible heat exchanger.
4. A heat pump system with latent and sensible heat from an ammonia refrigeration system as a heat source as in claim 3, wherein said heating module comprises:
a water side inlet of the heat pump condenser is connected with a water side outlet of the sensible heat exchanger, and a water side outlet of the heat pump condenser is connected with an inlet of the water storage tank;
the working medium side inlet of the heat pump condenser is connected with the exhaust port of the heat pump compressor;
the heat pump evaporator comprises a heat pump evaporator, a working medium side return air port of the heat pump evaporator is connected with an air inlet of a heat pump compressor, a liquid inlet of the heat pump evaporator is connected with a liquid outlet of a heat pump condenser, an ammonia side inlet of the heat pump evaporator is connected with a hot side outlet of a latent heat exchanger, and an ammonia side outlet of the heat pump evaporator is connected with a liquid supply pipeline of an ammonia refrigeration system.
5. A heat pump system using latent heat and sensible heat of an ammonia refrigeration system as heat sources according to any one of claims 1 to 4, wherein a main stop valve is provided on an exhaust pipe of the ammonia refrigeration system, branch stop valves are provided on branch pipes connecting the exhaust pipe of the ammonia refrigeration system and the sensible heat exchanger, and branch stop valves are provided on return pipes connecting the shallow heat exchanger and the exhaust pipe of the ammonia refrigeration system.
6. The heat pump system using latent and sensible heat of an ammonia refrigeration system as a heat source according to claim 4, wherein the working fluid in said heat pump evaporator, heat pump compressor and heat pump condenser is R134 a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021139176.2U CN212806134U (en) | 2020-06-18 | 2020-06-18 | Heat pump system using latent heat and sensible heat of ammonia refrigeration system as heat source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021139176.2U CN212806134U (en) | 2020-06-18 | 2020-06-18 | Heat pump system using latent heat and sensible heat of ammonia refrigeration system as heat source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212806134U true CN212806134U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021139176.2U Active CN212806134U (en) | 2020-06-18 | 2020-06-18 | Heat pump system using latent heat and sensible heat of ammonia refrigeration system as heat source |
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| Country | Link |
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| CN (1) | CN212806134U (en) |
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2020
- 2020-06-18 CN CN202021139176.2U patent/CN212806134U/en active Active
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