CN210399502U - Heat pump system - Google Patents
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- CN210399502U CN210399502U CN201921266659.6U CN201921266659U CN210399502U CN 210399502 U CN210399502 U CN 210399502U CN 201921266659 U CN201921266659 U CN 201921266659U CN 210399502 U CN210399502 U CN 210399502U
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- pump system
- heat energy
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- 239000002351 wastewater Substances 0.000 claims abstract description 87
- 239000003507 refrigerant Substances 0.000 claims abstract description 78
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 41
- 239000007788 liquid Substances 0.000 claims description 11
- 229910052731 fluorine Inorganic materials 0.000 claims description 6
- 239000011737 fluorine Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 4
- 239000002918 waste heat Substances 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 description 9
- 238000010257 thawing Methods 0.000 description 7
- 239000002699 waste material Substances 0.000 description 7
- 239000007789 gas Substances 0.000 description 6
- 125000001153 fluoro group Chemical group F* 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
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Abstract
The present application provides a heat pump system. The heat pump system comprises a compressor, a first throttling element, a condenser and an air-heat energy exchanger. The compressor, the first throttling element, the condenser and the air heat energy heat exchanger are connected through a first refrigerant pipeline set, and the first throttling element is used for throttling refrigerants in the first refrigerant pipeline set. The heat pump system further comprises a waste water heat energy heat exchanger, the waste water heat energy heat exchanger is used for absorbing heat energy in waste water, the waste water heat energy heat exchanger is connected with the air heat energy heat exchanger in parallel through a second refrigerant pipeline group, and at least one of the waste water heat energy heat exchanger and the air heat energy heat exchanger participates in absorbing heat energy. Use the technical scheme of the utility model, heat pump system can select at least one in waste water heat energy heat exchanger and the air heat energy heat exchanger to participate in absorbing heat energy according to the actual conditions of heat source, and applicable in the use in various places practices thrift the energy consumption, improves energy utilization.
Description
Technical Field
The utility model relates to a heat pump technology field particularly, relates to a heat pump system.
Background
The proportion of the domestic water energy consumption of various commercial buildings in the city to the total energy consumption is 10-40%. But most of the hot water is not fully utilized in heat during use. The water temperature for shower temperature is between 40 and 45 ℃, the temperature of the used waste water is about 30 ℃, and almost 2/3 heat is wasted.
The waste hot water source heat pump products are also produced in the market, the first time of hot water production needs to be electrically heated when the waste hot water source heat pump products are used, energy is not saved, and the waste hot water source heat pump products can be utilized only after hot water bathing is finished, so that the heat source utilization has delay. Most working conditions of the existing air source heat pump product run stably and save energy, but the existing air source heat pump product is easy to frost under the working conditions of low temperature and high humidity, and energy of domestic water needs to be absorbed for defrosting, so that energy is wasted.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a heat pump system to solve the technical problem that energy waste, heat source delay that heat pump system exists among the prior art.
An embodiment of the present application provides a heat pump system, including: a compressor; a first throttling element; the condenser is used for heating domestic water; the air heat energy heat exchanger is used for absorbing heat energy in the air; the compressor, the first throttling element, the condenser and the air heat energy heat exchanger are connected through a first refrigerant pipeline set, and the first throttling element is used for throttling refrigerants in the first refrigerant pipeline set; the heat pump system further includes: the waste water heat energy heat exchanger is used for absorbing heat energy in waste water, the waste water heat energy heat exchanger is connected with the air heat energy heat exchanger in parallel or in series through a second refrigerant pipeline group, and at least one of the waste water heat energy heat exchanger and the air heat energy heat exchanger participates in absorbing heat energy.
In one embodiment, the waste water heat energy heat exchanger is connected in parallel with the air heat energy heat exchanger through the second refrigerant pipeline set, and the heat pump system further includes: and the second throttling element is arranged on the second refrigerant pipeline group and is used for throttling the refrigerant in the second refrigerant pipeline group.
In one embodiment, the heat pump system includes a first four-way valve, and a part of refrigerant pipelines of the first refrigerant pipeline group are communicated through the first four-way valve, and the first four-way valve is used for switching the refrigerant flow direction of the part of refrigerant pipelines of the first refrigerant pipeline group.
In one embodiment, the heat pump system includes a second four-way valve, and a portion of the refrigerant lines of the second refrigerant line set are communicated by the second four-way valve.
In one embodiment, the heat pump system further includes a gas-liquid separator disposed on the first refrigerant pipe group and upstream of the suction port of the compressor.
In one embodiment, the air thermal energy exchanger is a fluorine/air heat exchanger and the waste water thermal energy exchanger and/or the condenser is a fluorine/water heat exchanger.
In one embodiment, the heat pump system further comprises a waste water tank, and the waste water heat energy exchanger is communicated with the waste water tank through a waste water pipeline.
In one embodiment, the waste water thermal energy heat exchanger is relatively independently disposed.
In one embodiment, a waste water pump is provided in the waste water line.
In the above embodiment, compared with the conventional air-source heat pump system, the air heat energy heat exchanger is used for absorbing heat energy in the air to assist in absorbing heat energy, the condenser is used for heating domestic water, and the wastewater heat energy heat exchanger is used for absorbing heat energy in wastewater to assist in absorbing heat energy. The heat pump system can select at least one of the waste water heat energy heat exchanger and the air heat energy heat exchanger to participate in absorbing heat energy according to the actual condition of a heat source, is suitable for being used in various places, saves energy consumption and improves the energy utilization rate.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic overall structural view of an embodiment of a heat pump system according to the present invention;
FIG. 2 is a schematic view of an installation configuration of the heat pump system of FIG. 1;
fig. 3 is a schematic view of another installation configuration of the heat pump system of fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
Fig. 1 shows an embodiment of the heat pump system of the present invention, which comprises a compressor 10, a first throttling element 20, a condenser 30 and an air-heat energy exchanger 40, wherein the condenser 30 is used for heating domestic water, and the air-heat energy exchanger 40 is used for absorbing heat energy in air. The compressor 10, the first throttling element 20, the condenser 30 and the air heat energy heat exchanger 40 are connected through a first refrigerant pipeline set, and the first throttling element 20 is used for throttling the refrigerant in the first refrigerant pipeline set. The heat pump system further comprises a waste water heat energy heat exchanger 50, the waste water heat energy heat exchanger 50 is used for absorbing heat energy in waste water, the waste water heat energy heat exchanger 50 is connected with the air heat energy heat exchanger 40 in parallel through a second refrigerant pipeline group, and at least one of the waste water heat energy heat exchanger 50 and the air heat energy heat exchanger 40 participates in absorbing heat energy.
Use the technical scheme of the utility model, compare in air-source heat pump system in the past, except that adopt the heat energy participation in the air of air heat energy heat exchanger 40 to absorb heat energy, let condenser 30 heat domestic water, can also let waste water heat energy heat exchanger 50 absorb the heat energy participation in the waste water and absorb heat energy. The heat pump system can select at least one of the waste water heat energy heat exchanger 50 and the air heat energy heat exchanger 40 to absorb heat energy according to the actual condition of a heat source, and can be suitable for being used in various places, thereby saving energy consumption and improving the energy utilization rate.
As shown in fig. 1, when the domestic water is heated by using the condenser 30, the domestic water is supplied to the user through the domestic water outlet after passing through the condenser 30 through the heat exchange pipe to absorb heat.
The utility model discloses a heat pump system compares in traditional useless hot water source heat pump product, adopts the air source heat pump mode to replace electric heating for in useless hot water source heat pump product, and the energy saving solves the problem of useless hot water source heat pump heat source postponement in the past simultaneously. And compare in air source heat pump product, adopt the utility model discloses a heat pump system utilizes waste water heat energy and domestic water heat source to change the frost simultaneously after low temperature operating mode air source heat pump fin frosts, goes out the hot water and stabilizes, and user experience is good.
As shown in fig. 1, in the technical solution of this embodiment, the waste water heat exchanger 50 is connected in parallel with the air heat exchanger 40 through a second refrigerant pipe set, and the heat pump system further includes a second throttling element 60, where the second throttling element 60 is disposed on the second refrigerant pipe set and is used for throttling the refrigerant in the second refrigerant pipe set. When the waste water heat energy heat exchanger 50 is used for absorbing heat energy, the second throttling element 60 on the second refrigerant pipeline group is used for throttling the refrigerant, so that the refrigerant is evaporated and absorbs heat in the waste water heat energy heat exchanger 50; if the air heat energy exchanger 40 participates in heat energy absorption, the first throttling element 20 on the first refrigerant pipeline group is used for throttling the refrigerant, so that the refrigerant is evaporated and absorbs heat in the air heat energy exchanger 40.
As an embodiment not shown in the drawings, the waste water heat energy heat exchanger 50 may be connected in series with the air heat energy heat exchanger 40 through the second refrigerant pipeline set, and at least one of the waste water heat energy heat exchanger 50 and the air heat energy heat exchanger 40 may also absorb heat energy.
As shown in fig. 1, in the technical solution of this embodiment, the heat pump system includes a first four-way valve 70, a part of refrigerant pipelines of the first refrigerant pipeline set is communicated by the first four-way valve 70, and the first four-way valve 70 is used for switching refrigerant flow directions of the part of refrigerant pipelines of the first refrigerant pipeline set. By using the first four-way valve 70, the refrigerant flow direction of part of the refrigerant pipelines of the first refrigerant pipeline group can be switched, so that the refrigerant can reversely flow to participate in defrosting. The heat pump system includes a second four-way valve 80, and a part of refrigerant pipelines of the second refrigerant pipeline set are communicated through the second four-way valve 80. Specifically, as shown in fig. 1, when the fins of the air-heat exchanger 40 frost, the heat energy of the waste water and the heat energy of the domestic water are utilized to defrost. At this time, the fan of the air heat exchanger 40 is not started, and after a part of the refrigerant absorbs the heat of the waste hot water in the waste water heat exchanger 50 and evaporates, the refrigerant enters the compressor through the E-S port of the second four-way valve 80 and is compressed into high-temperature and high-pressure gas, and then the gas passes through the D-C port of the second four-way valve 80, and the D-E port of the first four-way valve 70 is discharged to the air heat exchanger 40 for defrosting; after the other part of the refrigerant absorbs the heat of the domestic water in the condenser 30 and evaporates, the refrigerant enters the compressor through a C-S port of the first four-way valve 70 and is compressed into high-temperature and high-pressure gas, and then the gas passes through a D-C port of the second four-way valve 80, and the D-E port of the first four-way valve 70 is discharged to the air heat energy heat exchanger 40 for defrosting; the two parts of refrigerants are converged in the air heat energy heat exchanger 40, throttled and reduced into low-temperature and low-pressure liquid by the first throttling element 20, and then respectively flow into the waste water heat energy heat exchanger 50 and the condenser 30 to start a new cycle until defrosting is finished.
Specifically, when adopting the utility model discloses a heat pump system is when carrying out normal domestic water heating:
when the temperature of the waste water meets the general temperature requirement, the waste water heat energy exchanger 50 is used for absorbing heat energy. At this time, the fan of the air heat exchanger 40 is not started, the refrigerant absorbs the heat of the waste hot water in the waste water heat exchanger 50 and evaporates, enters the compressor 10 through the E-S port of the second four-way valve 80 and is compressed into high-temperature high-pressure gas, and then passes through the D-C port of the second four-way valve 80, the D-C port of the first four-way valve 70 is discharged to the condenser 30 to heat the domestic water to a set temperature, at this time, the first throttling element 20 is closed, and the liquefied high-temperature high-pressure liquid refrigerant is throttled and reduced to low-temperature low-pressure liquid through the second throttling element 60 and flows into the waste water heat exchanger 50 again to start a new cycle.
When the temperature of the waste water is lower than the minimum use temperature requirement, the air heat energy exchanger 40 is used for absorbing heat energy. At this time, the fan of the air heat exchanger 40 is started, the refrigerant absorbs the heat of the air in the air heat exchanger 40 and evaporates, enters the compressor through the E-S port of the first four-way valve 70 and is compressed into high-temperature high-pressure gas, and then passes through the D-C port of the second four-way valve 80, the D-C port of the first four-way valve 70 is discharged to the condenser 30 to heat the domestic water to a set temperature, at this time, the second throttling element 60 is closed, the liquefied high-temperature high-pressure liquid refrigerant is throttled, regulated and reduced in pressure by the first throttling element 20 to be low-temperature low-pressure liquid, and flows into the air heat exchanger 40 again to start.
When the temperature of the wastewater is between the minimum use temperature requirement and the general temperature requirement, the wastewater heat energy exchanger 50 is mainly used for absorbing heat energy, and the air heat energy exchanger 40 is used for absorbing heat energy and is operated secondarily. At this time, the fan of the air heat exchanger 40 is started, a part of the refrigerant absorbs the heat of the waste hot water in the waste water heat exchanger 50 to evaporate, and the other part of the refrigerant absorbs the heat of the air in the air heat exchanger 40 to evaporate.
As an alternative embodiment, the second four-way valve 80 may not be provided, and only the first four-way valve 70 may be provided, so that the domestic water heat energy can be utilized for defrosting although the waste water heat energy cannot be utilized for defrosting.
More preferably, as shown in fig. 1, the heat pump system further includes a gas-liquid separator 90, and the gas-liquid separator 90 is disposed on the first refrigerant pipe group and upstream of the suction port of the compressor 10. The gas-liquid separator 90 can prevent the liquid-phase refrigerant from entering the compressor 10 and affecting the compression operation of the compressor 10.
It should be noted that, in the technical solution of the present invention, the air heat energy exchanger 40 is a fluorine/air heat exchanger, and the waste water heat energy exchanger 50 and/or the condenser 30 is a fluorine/water heat exchanger. More preferably, the first throttling element 20 and the second throttling element 60 are electronic expansion valves.
As an alternative embodiment, as shown in fig. 2, the heat pump system further includes a waste water tank 110, a waste water heat energy exchanger 50 and other components of the heat pump system are in an integrated structure. The waste water heat energy exchanger 50 of the heat pump system is in communication with the waste water tank 110 via a waste water line 120. More preferably, a waste heat water pump 121 is provided in the waste water line 120. This embodiment is applicable to the heat pump system and is close the condition apart from waste water tank 110, and this embodiment integrates the height, and simple to operate is convenient for maintain and manage. But the unit is limited by the waste water site, height and the energy consumption of waste water pump delivery. In this embodiment, the primary heat exchange improves the heat exchange efficiency, and the waste water heat energy heat exchanger 50 is specially corrosion-resistant and easy to disassemble and clean (such as a titanium tube heat exchanger). Furthermore, the water collected in the waste water tank 110 is generally treated centrally, and if not treated, a filter (similar to a sand tank, etc.) is added before the heat exchanger. Optionally, the hot water application location 130 is a hotel, a bathhouse, a hair salon, or the like.
As shown in fig. 3, as another alternative embodiment, the waste water heat energy exchanger 50 is relatively independent, i.e. the waste water heat energy exchanger 50 and other components of the heat pump system are in a split structure. More preferably, a waste heat water pump 121 is provided in the waste water line 120. This embodiment is suitable for the case where the installation site of the heat pump system is far from the wastewater tank 110 due to the limited installation site, and the wastewater heat exchanger 50 is installed near the wastewater tank 110 to reduce the energy consumption of the water pump. In the embodiment, the waste water in the waste water tank 110 does not need to be remotely conveyed to the heat pump system, but only the heat energy in the waste water tank 110 is exchanged to the waste water heat exchanger 50, and then the waste water heat exchanger 50 conveys the heat energy to the heat pump system through the refrigerant in the refrigerant connecting pipe. This embodiment, the installation is nimble, can be along with waste water site installation, and waste heat water pump 121 carries the energy consumption lower, but the unit is high to refrigerant union coupling 140 connection technical requirement. Optionally, the hot water application location 130 is a hotel, a bathhouse, a hair salon, or the like. Optionally, in this embodiment, the waste water thermal energy heat exchanger 50 is of a single modular design.
The waste water heat energy exchanger 50 may be integrally installed in the complete machine or may be formed as an independent module.
For the above two embodiments, since the heat pump system is generally concentrated on one floor, if the installation position of the superheat pump system is on the roof or a position far away from the ground, the split embodiment of fig. 3 is adopted; if the installation position of the heat pump system is not far away from the ground, the integral implementation mode of the figure 2 is adopted, and the installation is convenient.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and it will be apparent to those skilled in the art that various modifications and variations can be made in the embodiments of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A heat pump system, comprising:
a compressor (10);
a first throttling element (20);
a condenser (30) for heating domestic water;
an air heat energy exchanger (40) for absorbing heat energy in the air;
the compressor (10), the first throttling element (20), the condenser (30) and the air heat energy heat exchanger (40) are connected through a first refrigerant pipeline set, and the first throttling element (20) is used for throttling refrigerants in the first refrigerant pipeline set;
characterized in that the heat pump system further comprises:
the waste water heat energy heat exchanger (50) is used for absorbing heat energy in waste water, the waste water heat energy heat exchanger (50) is connected with the air heat energy heat exchanger (40) in parallel or in series through a second refrigerant pipeline group, and at least one of the waste water heat energy heat exchanger (50) and the air heat energy heat exchanger (40) participates in absorbing heat energy.
2. The heat pump system of claim 1, wherein the waste water heat energy exchanger (50) is connected in parallel with the air heat energy exchanger (40) through the second refrigerant line set, the heat pump system further comprising:
and the second throttling element (60) is arranged on the second refrigerant pipeline group and is used for throttling the refrigerant in the second refrigerant pipeline group.
3. The heat pump system according to claim 1, wherein the heat pump system comprises a first four-way valve (70), a part of refrigerant pipelines of the first refrigerant pipeline set are communicated through the first four-way valve (70), and the first four-way valve (70) is used for switching refrigerant flow directions of the part of refrigerant pipelines of the first refrigerant pipeline set.
4. The heat pump system according to claim 3, wherein the heat pump system comprises a second four-way valve (80), and a portion of the refrigerant lines of the second refrigerant line set are communicated through the second four-way valve (80).
5. The heat pump system according to claim 1, further comprising a gas-liquid separator (90), the gas-liquid separator (90) being disposed on the first refrigerant line set upstream of a suction port of the compressor (10).
6. Heat pump system according to claim 1, characterized in that the air thermal energy exchanger (40) is a fluorine/air exchanger and the waste water thermal energy exchanger (50) and/or the condenser (30) is a fluorine/water exchanger.
7. The heat pump system of claim 1, further comprising a waste water tank (110), the waste water thermal energy heat exchanger (50) being in communication with the waste water tank (110) through a waste water line (120).
8. The heat pump system of claim 7, wherein the waste water thermal energy heat exchanger (50) is relatively independently disposed.
9. Heat pump system according to claim 7 or 8, characterized in that a waste heat pump (121) is arranged on the waste water line (120).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921266659.6U CN210399502U (en) | 2019-08-05 | 2019-08-05 | Heat pump system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921266659.6U CN210399502U (en) | 2019-08-05 | 2019-08-05 | Heat pump system |
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| CN210399502U true CN210399502U (en) | 2020-04-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345637A (en) * | 2019-08-05 | 2019-10-18 | 珠海格力电器股份有限公司 | Heat pump system and control method for heat pump system |
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2019
- 2019-08-05 CN CN201921266659.6U patent/CN210399502U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345637A (en) * | 2019-08-05 | 2019-10-18 | 珠海格力电器股份有限公司 | Heat pump system and control method for heat pump system |
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