CN214581798U - Hot water system with heat recovery device - Google Patents
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- CN214581798U CN214581798U CN202120797749.9U CN202120797749U CN214581798U CN 214581798 U CN214581798 U CN 214581798U CN 202120797749 U CN202120797749 U CN 202120797749U CN 214581798 U CN214581798 U CN 214581798U
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Abstract
The utility model belongs to the technical field of hot water systems adopting heat pump units, in particular to a hot water system with a heat recovery device, which comprises a heat pump unit (3), a water tank (4), a hot water device (5), a solar photovoltaic power supply device (1), a box-type frame (2) and a controller; the utility model has the advantages that: (1) the heat pump unit of the hot water system is simultaneously provided with an air-cooled evaporator and a water-cooled evaporator, and the water-cooled evaporator can be used for recovering heat in used hot water; (2) the solar photovoltaic power supply device is adopted to supply power for the heat pump unit, so that the energy is saved and the environment is protected; (3) the heating water tank and the heat storage water tank are both pressure-bearing water tanks with heat insulation layers outside, so that a hot water system can adopt high-pressure water supply; (4) a plurality of modules in the box-type frame are assembled on a construction site, and the number of the modules for installing the water heating device can be adjusted; (5) the hot water supply quantity and the use quantity are well matched.
Description
Technical Field
The utility model belongs to the technical field of the hot water system who adopts heat pump set, concretely relates to hot water system with heat recovery unit.
Background
The hot water system adopting the heat pump unit is widely applied to the fields of hot water application of hotels, schools, hospitals, bath centers, swimming pools, construction sites, unit apartments, public buildings and the like in China. Most of heat pump units in a hot water system in the prior art are air source heat pump units, and heat in used hot water cannot be recovered, so that waste of heat energy is caused; the heat pump unit is mainly powered by an external power grid and does not adopt renewable energy sources for power supply; the pressure-bearing capacity of the heat storage water tank is insufficient, and the water pressure of a hot water system is insufficient; in addition, the hot water system adopting the heat pump unit in the prior art is fixedly constructed, so that the service is inconvenient for the workers on the construction site of industrial and civil projects.
SUMMERY OF THE UTILITY MODEL
To the above problems, the present invention provides a hot water system with a heat recovery device.
In order to achieve the above object, the utility model discloses a technical scheme be: a hot water system with a heat recovery device comprises a heat pump unit, a water tank, a water using device, a solar photovoltaic power supply device, a box-type frame and a controller, wherein the solar photovoltaic power supply device is arranged above the box-type frame; a waste water collecting pipe is arranged below the box type frame and is communicated with water outlets below the plurality of water heating devices; the heat pump unit comprises a compressor, an air-cooled evaporator and a water-cooled evaporator, the compressor is electrically connected with the output end of the solar photovoltaic power supply device, and the compressor is in communication connection with the controller through a signal line; the air-cooled evaporator and the water-cooled evaporator are connected into a refrigerant circulating pipeline of the heat pump unit in a parallel mode; the water-cooled evaporator comprises a refrigerant inlet, a refrigerant outlet, a hot water inlet and a cold water outlet, the hot water inlet of the water-cooled evaporator is connected with the waste water collecting pipe, and the cold water outlet of the water-cooled evaporator is connected with a cold water discharge pipe; the water-cooled evaporator, the waste water collecting pipe and the cold water discharging pipe of the heat pump unit form a heat recovery device; a flowmeter is arranged at one end of the wastewater collecting pipe close to the water-cooled evaporator, and the output end of the flowmeter is in communication connection with the controller through a signal wire; and a first electromagnetic valve is installed at a refrigerant inlet of the water-cooled evaporator and is in communication connection with the controller through a signal line.
Preferably, the heat pump unit further comprises a condenser and an expansion valve, wherein the condenser comprises a cold water inlet and a hot water outlet; the air-cooled evaporator and the water-cooled evaporator are connected in parallel between the expansion valve and the compressor.
Preferably, a second electromagnetic valve is installed at a refrigerant inlet of the air-cooled evaporator, and the second electromagnetic valve is in communication connection with the controller through a signal line.
Preferably, the water tank comprises a heating water tank and three heat storage water tanks, wherein the three heat storage water tanks are a heat storage water tank I, a heat storage water tank II and a heat storage water tank III respectively; thermometers are arranged on the tops of the heating water tank, the first heat storage water tank, the second heat storage water tank and the third heat storage water tank, and output ends of the thermometers are in communication connection with the controller; the heating water tank is connected with a condenser of the heat pump unit through a first circulating pipeline; the heating water tank is connected with the first heat storage water tank, the second heat storage water tank and the third heat storage water tank through a second circulation pipeline.
Preferably, a first water inlet is formed in the upper portion of the left side of the heating water tank, and a first water outlet is formed in the lower portion of the left side of the heating water tank; the first circulation pipeline comprises a first water inlet connected with the heating water tank, a first condenser hot water outlet pipeline and a first heating water tank water outlet and a first condenser cold water inlet pipeline, a circulation pump is installed on the pipeline between the first heating water tank water outlet and the condenser cold water inlet, and the circulation pump is in communication connection with the controller through a signal line.
Preferably, a water outlet II is formed in the upper part of the right side of the heating water tank, and a water inlet II is formed in the lower part of the right side of the heating water tank; the first heat storage water tank, the second heat storage water tank and the third heat storage water tank are respectively provided with an upper water port and a lower water port; the heating water tank is connected with the first heat storage water tank, the second heat storage water tank and the third heat storage water tank through a second circulation pipeline, and the heating water tank is specifically as follows: a water outlet II is formed in the upper portion of the right side of the heating water tank and is connected with a water inlet on the upper portion of the heat storage water tank I, a water inlet on the lower portion of the heat storage water tank I is connected with a water inlet on the upper portion of the heat storage water tank II, a water inlet on the lower portion of the heat storage water tank II is connected with a water inlet on the upper portion of the heat storage water tank III, and a water inlet on the lower portion of the heat storage water tank III is connected with a water inlet II of the heating water tank; and a third electromagnetic valve and a power pump are sequentially connected between the lower water port of the third heat storage water tank and the second water inlet of the heating water tank, and the third electromagnetic valve and the power pump are in communication connection with the controller.
Preferably, a water opening at the lower part of the hot water storage tank III is also connected with a cold water pipe, a solenoid valve IV is mounted on the cold water pipe, and the solenoid valve IV is in communication connection with the controller through a signal line; and a hot water pipe is connected between the water port at the upper part of the first heat storage water tank and the hot water device.
Preferably, the heating water tank, the first heat storage water tank, the second heat storage water tank and the third heat storage water tank are all pressure-bearing water tanks with heat insulation layers outside; the water heating device is a bathing device which comprises a spray head.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
(1) the heat pump unit of the hot water system with the heat recovery device is simultaneously provided with the air-cooled evaporator and the water-cooled evaporator, and the water-cooled evaporator can be used for recovering the heat in the used hot water;
(2) the solar photovoltaic power supply device is adopted to supply power for the heat pump unit, so that the energy is saved and the environment is protected;
(3) the heating water tank and the heat storage water tank are both pressure-bearing water tanks with heat-insulating layers outside, so that a hot water system can adopt (a cold water pipe or a power pump) high-pressure water supply;
(4) a plurality of modules in the box-type frame are assembled on a construction site, and the number of the modules for installing the water heating device can be adjusted, so that the water heating system of the utility model has convenient installation and strong adjustability;
(5) instead of having to fill all hot water storage tanks with hot water, the staff can set the amount of hot water to be reserved when the hot water system is ready.
Drawings
To more clearly illustrate the technical solution of the embodiment of the present invention, the drawings used in the description of the embodiment will be briefly introduced below, fig. 1 is a schematic view of a hot water system with a heat recovery device provided in embodiment 1,
FIG. 2 is a schematic diagram of a heat pump unit of a hot water system with a heat recovery device;
FIG. 3 is a schematic diagram of a first circulation pipeline and a second circulation pipeline in a hot water system with a heat recovery device;
fig. 4 is a schematic diagram of a first circulation pipeline and a second circulation pipeline in a hot water system with a heat recovery device.
Description of reference numerals: 1-solar photovoltaic power supply device, 2-box type frame;
3-heat pump unit, 31-compressor, 32-condenser, 33-expansion valve, 34-air-cooled evaporator, 35-water-cooled evaporator, 36-second electromagnetic valve, 37-first electromagnetic valve;
4-water tank, 40-heating water tank, 41-first heat storage water tank, 42-second heat storage water tank, 43-third heat storage water tank, 401-second water inlet, 402-second water outlet, 403-first water inlet, 404-first water outlet;
5-using a hot water device, 6-a waste water collecting pipe, 7-a circulating pump, 8-a power pump, 9-a third electromagnetic valve, 10-a fourth electromagnetic valve, 11-a cold water pipe, 12-a hot water pipe, 13-a cold water discharging pipe and 14-a flowmeter.
Detailed Description
In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.
Example 1
The present invention will be further described with reference to fig. 1-4, and a hot water system with a heat recovery device, as shown in fig. 1, includes a heat pump unit 3, a water tank 4, a water heating device 5, a solar photovoltaic power supply device 1, a box frame 2 and a controller.
As shown in fig. 1, a solar photovoltaic power supply device 1 is installed above a box-type frame 2, the box-type frame 2 is provided with a plurality of modules from left to right, a heat pump unit 3, a water tank 4 and a plurality of water heating devices 5 are sequentially installed in the modules, and water outlets are respectively arranged below the water heating devices 5; a waste water collecting pipe 6 is arranged below the box-type frame 2, and the waste water collecting pipe 6 is communicated with a plurality of water outlets below the water heating devices 5.
As shown in fig. 2, the heat pump unit 3 includes a compressor 31, an air-cooled evaporator 34 and a water-cooled evaporator 35, the compressor 31 is electrically connected to the output end of the solar photovoltaic power supply apparatus 1, and the compressor 31 is in communication connection with the controller through a signal line; the air-cooled evaporator 34 and the water-cooled evaporator 35 are connected in parallel to a refrigerant circulation line of the heat pump unit 3.
As shown in fig. 1 and 2, the water-cooled evaporator 35 includes a refrigerant inlet, a refrigerant outlet, a hot water inlet and a cold water outlet, the hot water inlet of the water-cooled evaporator 35 is connected to the waste water collecting pipe 6, and the cold water outlet of the water-cooled evaporator 35 is connected to the cold water discharge pipe 13; the water-cooled evaporator 35 of the heat pump unit 3, the waste water collecting pipe 6 and the cold water discharging pipe 13 form a heat recovery device.
As shown in fig. 1, a flow meter 14 is arranged at one end of the waste water collecting pipe 6 close to the water-cooled evaporator 35, and the output end of the flow meter 14 is in communication connection with a controller through a signal line; the refrigerant inlet of the water-cooled evaporator 35 is provided with a first electromagnetic valve 37, and the first electromagnetic valve 37 is in communication connection with the controller through a signal line.
As shown in fig. 2, the heat pump unit 3 further includes a condenser 32 and an expansion valve 33, the condenser 32 including a cold water inlet and a hot water outlet; the air-cooled evaporator 34 and the water-cooled evaporator 35 are connected in parallel between the expansion valve 33 and the compressor 31.
As shown in fig. 2, a second solenoid valve 36 is installed at a refrigerant inlet of the air-cooled evaporator 34, and the second solenoid valve 36 is in communication connection with the controller through a signal line.
As shown in fig. 3 and 4, the water tank 4 includes a heating water tank 40 and three heat storage water tanks, which are a first heat storage water tank 41, a second heat storage water tank 42 and a third heat storage water tank 43, respectively; thermometers are respectively installed on the tops of the heating water tank 40, the first heat storage water tank 41, the second heat storage water tank 42 and the third heat storage water tank 43, and the output ends of the thermometers are in communication connection with the controller.
As shown in fig. 2 to 4, the heating water tank 40 is connected to the condenser 32 of the heat pump unit 3 through a first circulation line; the heating water tank 40 is connected with the first hot water storage tank 41, the second hot water storage tank 42 and the third hot water storage tank 43 through a second circulation pipeline. The upper part of the left side of the heating water tank 40 is provided with a first water inlet 403, and the lower part of the left side of the heating water tank 40 is provided with a first water outlet 404.
As shown in fig. 2-4, the first circulation pipeline includes a pipeline connecting the first water inlet 403 of the heating water tank 40 and the hot water outlet of the condenser 32 and a pipeline connecting the first water outlet 404 of the heating water tank 40 and the cold water inlet of the condenser 32, and the circulation pump 7 is installed on the pipeline between the first water outlet 404 of the heating water tank 40 and the cold water inlet of the condenser 32, and the circulation pump 7 is connected with the controller through a signal line in a communication manner.
As shown in fig. 4, a second water outlet 402 is arranged at the upper part of the right side of the heating water tank 40, and a second water inlet 401 is arranged at the lower part of the right side of the heating water tank 40; the first heat storage water tank 41, the second heat storage water tank 42 and the third heat storage water tank 43 are all provided with an upper water port and a lower water port.
As shown in fig. 3 and 4, the heating water tank 40 is connected to the first hot water storage tank 41, the second hot water storage tank 42 and the third hot water storage tank 43 through a second circulation pipeline, which specifically includes: a water outlet II 402 arranged at the upper part of the right side of the heating water tank 40 is connected with an upper water port of a heat storage water tank I41, a lower water port of the heat storage water tank I41 is connected with an upper water port of a heat storage water tank II 42, a lower water port of the heat storage water tank II 42 is connected with an upper water port of a heat storage water tank III 43, and a lower water port of the heat storage water tank III 43 is connected with a water inlet II 401 of the heating water tank 40;
as shown in fig. 3 and 4, a third electromagnetic valve 9 and a power pump 8 are sequentially connected between the lower water inlet of the third hot water storage tank 43 and the second water inlet 401 of the heating water tank 40, and both the third electromagnetic valve 9 and the power pump 8 are in communication connection with the controller.
A water opening at the lower part of the heat storage water tank III 43 is also connected with a cold water pipe 11, an electromagnetic valve IV 10 is installed on the cold water pipe 11, and the electromagnetic valve IV 10 is in communication connection with the controller through a signal line.
As shown in fig. 3 and 4, a hot water pipe 12 is connected between an upper water port of the first hot water storage tank 41 and the hot water device 5.
The heating water tank 40, the first heat storage water tank 41, the second heat storage water tank 42 and the third heat storage water tank 43 are all pressure-bearing water tanks with heat-insulating layers outside;
as shown in fig. 1, 3 and 4, the hot water device 5 is a bathing device which comprises a spray nozzle.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes to be applied in other fields, but all the technical matters of the present invention are not departed from the technical contents of the present invention, and any simple modification and equivalent changes made to the above embodiments according to the technical matters of the present invention still belong to the protection scope of the technical solution of the present invention.
Claims (8)
1. A hot water system with a heat recovery device comprises a heat pump unit (3), a water tank (4) and a hot water device (5), and is characterized by also comprising a solar photovoltaic power supply device (1), a box-type frame (2) and a controller,
the solar photovoltaic power supply device (1) is arranged above a box-type frame (2), the box-type frame (2) is provided with a plurality of modules from left to right, a heat pump unit (3), a water tank (4) and a plurality of water heating devices (5) are sequentially arranged in the modules, and water outlets are formed below the water heating devices (5); a waste water collecting pipe (6) is arranged below the box-type frame (2), and the waste water collecting pipe (6) is communicated with water outlets below the plurality of hot water devices (5);
the heat pump unit (3) comprises a compressor (31), an air-cooled evaporator (34) and a water-cooled evaporator (35), the compressor (31) is electrically connected with the output end of the solar photovoltaic power supply device (1), and the compressor (31) is in communication connection with the controller through a signal line; the air-cooled evaporator (34) and the water-cooled evaporator (35) are connected into a refrigerant circulating pipeline of the heat pump unit (3) in parallel;
the water-cooled evaporator (35) comprises a refrigerant inlet, a refrigerant outlet, a hot water inlet and a cold water outlet, the hot water inlet of the water-cooled evaporator (35) is connected with the wastewater collecting pipe (6), and the cold water outlet of the water-cooled evaporator (35) is connected with a cold water discharge pipe (13); a water-cooled evaporator (35) of the heat pump unit (3), a waste water collecting pipe (6) and a cold water discharging pipe (13) form a heat recovery device;
a flowmeter (14) is installed at one end, close to the water-cooled evaporator (35), of the wastewater collecting pipe (6), and the output end of the flowmeter (14) is in communication connection with the controller through a signal line; and a first electromagnetic valve (37) is installed at a refrigerant inlet of the water-cooled evaporator (35), and the first electromagnetic valve (37) is in communication connection with the controller through a signal line.
2. The hot water system with heat recovery device according to claim 1, wherein the heat pump unit (3) further comprises a condenser (32) and an expansion valve (33), the condenser (32) comprising a cold water inlet and a hot water outlet; the air-cooled evaporator (34) and the water-cooled evaporator (35) are connected in parallel between the expansion valve (33) and the compressor (31).
3. The water heating system with the heat recovery device as claimed in claim 2, wherein a second solenoid valve (36) is installed at a refrigerant inlet of the air-cooled evaporator (34), and the second solenoid valve (36) is in communication connection with the controller through a signal line.
4. A hot water system with a heat recovery device according to claim 2 or 3, characterized in that the water tank (4) comprises a heating water tank (40) and three hot water storage tanks, which are respectively a hot water storage tank one (41), a hot water storage tank two (42) and a hot water storage tank three (43);
thermometers are arranged on the tops of the heating water tank (40), the first heat storage water tank (41), the second heat storage water tank (42) and the third heat storage water tank (43), and output ends of the thermometers are in communication connection with the controller;
the heating water tank (40) is connected with a condenser (32) of the heat pump unit (3) through a first circulating pipeline; and the heating water tank (40) is connected with the first heat storage water tank (41), the second heat storage water tank (42) and the third heat storage water tank (43) through a second circulating pipeline.
5. The hot water system with the heat recovery device, according to claim 4, characterized in that the upper left side of the heating water tank (40) is provided with a first water inlet (403), and the lower left side of the heating water tank (40) is provided with a first water outlet (404);
the first circulation pipeline comprises a pipeline which is connected with a first water inlet (403) of the heating water tank (40) and a hot water outlet of the condenser (32) and a pipeline which is connected with a first water outlet (404) of the heating water tank (40) and a cold water inlet of the condenser (32), a circulation pump (7) is installed on the pipeline between the first water outlet (404) of the heating water tank (40) and the cold water inlet of the condenser (32), and the circulation pump (7) is in communication connection with the controller through a signal line.
6. The hot water system with the heat recovery device, according to claim 5, characterized in that the upper part of the right side of the heating water tank (40) is provided with a second water outlet (402), and the lower part of the right side of the heating water tank (40) is provided with a second water inlet (401); the first heat storage water tank (41), the second heat storage water tank (42) and the third heat storage water tank (43) are respectively provided with an upper water port and a lower water port;
heating water tank (40) and heat storage water tank one (41), two (42) of heat storage water tank and three (43) of heat storage water tank pass through two connections of circulation pipeline, specifically do: a water outlet II (402) is arranged at the upper part of the right side of the heating water tank (40) and is connected with an upper water port of a heat storage water tank I (41), a lower water port of the heat storage water tank I (41) is connected with an upper water port of a heat storage water tank II (42), a lower water port of the heat storage water tank II (42) is connected with an upper water port of a heat storage water tank III (43), and a lower water port of the heat storage water tank III (43) is connected with a water inlet II (401) of the heating water tank (40);
still be connected with solenoid valve three (9) and power pump (8) in proper order between the lower part mouth of a river of heat storage water tank three (43) and the water inlet two (401) of heating water tank (40), solenoid valve three (9) and power pump (8) all with controller communication connection.
7. The hot water system with the heat recovery device as claimed in claim 6, wherein a lower water inlet of the hot water storage tank III (43) is further connected with a cold water pipe (11), a solenoid valve IV (10) is mounted on the cold water pipe (11), and the solenoid valve IV (10) is in communication connection with the controller through a signal line;
a hot water pipe (12) is connected between the upper water gap of the first heat storage water tank (41) and the hot water device (5).
8. The hot water system with the heat recovery device as claimed in any one of claims 5 to 7, wherein the heating water tank (40), the first hot water storage tank (41), the second hot water storage tank (42) and the third hot water storage tank (43) are pressure-bearing water tanks with external heat insulation layers;
the water heating device (5) is a bathing device which comprises a spray head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120797749.9U CN214581798U (en) | 2021-04-19 | 2021-04-19 | Hot water system with heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120797749.9U CN214581798U (en) | 2021-04-19 | 2021-04-19 | Hot water system with heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214581798U true CN214581798U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120797749.9U Active CN214581798U (en) | 2021-04-19 | 2021-04-19 | Hot water system with heat recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214581798U (en) |
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2021
- 2021-04-19 CN CN202120797749.9U patent/CN214581798U/en active Active
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