CN217653967U - Multi-heat-source heat pump hot water system - Google Patents
Multi-heat-source heat pump hot water system Download PDFInfo
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- CN217653967U CN217653967U CN202221382112.4U CN202221382112U CN217653967U CN 217653967 U CN217653967 U CN 217653967U CN 202221382112 U CN202221382112 U CN 202221382112U CN 217653967 U CN217653967 U CN 217653967U
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
A multi-heat-source heat pump hot water system comprises a heat supply module, a constant-temperature water tank and user side water using equipment, wherein the heat supply module comprises a solar heat supply module, a water source heat supply module and an air energy heat supply module; the working priority of the solar heat supply module is greater than that of the water source heat supply module, and the water source heat supply module is greater than that of the air energy heat supply module. The system can reasonably utilize the wastewater resource to produce hot water, is beneficial to energy conservation and emission reduction, can ensure the running stability of the hot water system by using solar energy, air energy and water source for heat supply, and can further realize energy conservation and emission reduction by reasonably setting the use priority of the heat source.
Description
Technical Field
The application relates to the technical field of heat pumps, in particular to a multi-heat-source heat pump hot water system.
Background
Because of abundant solar energy content and no toxicity and harm to the environment, the solar energy water heater is widely applied to the field of providing hot water for life and production at present. However, the solar illumination intensity is influenced by weather and climate conditions, if continuous no-sunlight condition occurs, the whole system is paralyzed, hot water can be ensured only when the sunlight condition is good, and the application of the system is seriously influenced by instability and discontinuity of the hot water.
At present, the heat pump water heating technology is mature, and a heat pump water heating system can utilize natural energy (such as air, soil, underground water and the like) and heat sources in production or life (such as waste hot water in the production process, heat exhaust in buildings, domestic sewage and the like) to produce hot water for life and production. Although the heat pump hot water system has strong environmental adaptability and can meet various hot water requirements, the generated energy of the heat pump hot water system needs to consume certain electric power.
Therefore, how to use the waste resources in the heat pump hot water system to further save energy, reduce emission and ensure the stability of the heat pump hot water system is a technical problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the application is to provide a multi-heat-source heat pump hot water system, which can reasonably utilize waste water resources to produce hot water, is beneficial to energy conservation and emission reduction, can ensure the running stability of the hot water system by using solar energy, air energy and water source for heat supply, and can further realize energy conservation and emission reduction by reasonably setting the use priority of the heat sources.
In order to realize the above purpose, the utility model adopts the following technical scheme:
a multi-heat-source heat pump hot water system comprises a heat supply module, a constant-temperature water tank and user side water equipment, wherein the heat supply module comprises a solar heat supply module, a water source heat supply module and an air energy heat supply module;
the solar heat supply module comprises a solar heat collector and a solar water tank, the solar heat collector and the solar water tank are communicated through a circulating water path, a water pump P1 is arranged on the circulating water path, when the water pump P1 is turned on, water with low temperature in the solar water tank is fed into the solar heat collector through the circulating water path to be heated, and the heated water is fed into the solar water tank through the circulating water path; the water outlet end of the solar water tank is connected to the constant-temperature water tank;
the water source heat supply module comprises a waste water tank and a water source heat pump unit X1, wherein the waste water tank is used for receiving and storing hot water discharged by the industry; the waste water tank is connected with the water source heat pump unit X1 through a circulating water path, a water pump P5 is arranged on the circulating water path, and whether the waste water tank is communicated with the water source heat pump unit X1 through the circulating water path is controlled through a switch of the water pump P5; the water source heat pump unit X1 is connected with the constant-temperature water tank through a circulating water path, a water pump P7 is arranged on the circulating water path, and the switch of the water pump P5 is used for controlling whether the circulating water path between the water source heat pump unit X1 and the constant-temperature water tank is conducted or not; when circulating water paths between the waste water tank and the water source heat pump unit X1 and between the water source heat pump unit X1 and the constant temperature water tank are both communicated, starting the water source heat pump unit X1 to exchange heat to heat water in the constant temperature water tank;
the air energy heat supply module comprises an air energy heat pump unit X2, the air energy heat pump unit X2 is communicated with the constant-temperature water tank through a circulating water path, a water pump P6 is arranged on the circulating water path, whether the circulating water path between the air energy heat pump unit X2 and the constant-temperature water tank is conducted or not is controlled through a switch of the water pump P6, and when the circulating water path is conducted, the air energy heat pump unit X2 is started;
the working priority of the solar heat supply module is greater than that of the water source heat supply module, and the working priority of the water source heat supply module is greater than that of the air energy heat supply module.
Preferably, the solar heat collector is provided with a first temperature monitor for monitoring the temperature T1 of the water outlet end and a second temperature monitor for monitoring the temperature T2 of the water inlet end, the solar water tank is internally provided with a third temperature monitor for monitoring the temperature T3 of the water in the solar water tank, and the water pump P1 is controlled to be switched on and off according to the temperature T1 of the water outlet end of the solar heat collector and the temperature T3 of the water in the solar water tank.
Preferably, the solar water tank is connected with the first cold water replenishing unit, the first cold water replenishing unit comprises a first water inlet pipe connected with an external water source, a first water replenishing electromagnetic valve E1 used for controlling whether the first water inlet pipe is communicated or not is arranged between the first water inlet pipe and the solar water tank, and when the first water replenishing electromagnetic valve E1 is opened, the external water source replenishes water to the solar water tank through the first water inlet pipe.
Preferably, an electric heating belt is arranged on the first water inlet pipe and used for heating the first water inlet pipe.
As preferred, constant temperature water tank and second cold water moisturizing unit connection, second cold water moisturizing unit is equipped with between second inlet tube and the constant temperature water tank and is used for control including the second inlet tube of connecting the outside water source second moisturizing solenoid valve E2 that the second inlet tube whether switches on, when second moisturizing solenoid valve was opened, the outside water source was through the second inlet tube to the moisturizing of constant temperature water tank.
Preferably, a third temperature monitor for monitoring the water temperature T3 in the solar water tank is arranged in the solar water tank, a fourth temperature monitor for monitoring the water temperature T4 in the constant-temperature water tank is arranged in the constant-temperature water tank, and the water pump P2 is controlled to be switched on and off according to the water temperature T3 in the solar water tank and the water temperature T4 in the constant-temperature water tank.
Preferably, a sixth temperature monitor for monitoring the water temperature T6 in the wastewater tank is arranged in the wastewater tank, a fourth temperature monitor for monitoring the water temperature T4 in the constant temperature water tank is arranged in the constant temperature water tank, and the water pump P5 and the water pump P7 are controlled to be switched on and off according to the water temperature T6 in the wastewater tank and the water temperature T4 in the constant temperature water tank.
Preferably, a first water level meter for monitoring the water level height is arranged in the solar water tank, and water is supplied into the solar water tank in combination with the control of the water level height; and a second water level meter for monitoring the water level height is arranged in the constant-temperature water tank, and water is supplied into the constant-temperature water tank by combining with the control of the water level height.
In the multi-heat-source heat pump water heating system, water heated by the solar heat collector passes through the solar water tank and then enters the constant-temperature water tank, and hot water in the constant-temperature water tank is sent to a user side for use; the waste water tank is used for storing hot water discharged by industry, and the hot water directly circulates to the water source heat pump unit X1 and is used for exchanging heat for the water source heat pump unit X1 to produce hot water; the water heated by the water source heat pump unit X1 and the air source heat pump unit X2 directly enters the constant temperature water tank and is supplied to the user side. Among the above-mentioned many heat sources heat pump hot water system, the work priority of solar energy heat supply module is greater than water source heat supply module, and water source heat supply module is greater than the work priority of air ability heat supply module to can rationally utilize solar energy resource and abandonment industry hot water resource to supply heat, practice thrift electric power resource, can guarantee the stability that user side hot water provided simultaneously.
Drawings
Fig. 1 is a schematic diagram of a multi-heat source heat pump hot water system.
Reference numerals: the solar water heater comprises a solar heat collector 10, a first temperature monitoring meter 11, a second temperature monitoring meter 12, a solar water tank 14, a third temperature monitoring meter 15, a first water level meter 16, a first cold water replenishing unit 17, an electric heating belt 18, a constant temperature water tank 20, a second water level meter 21, a fourth temperature monitoring meter 22, a second cold water replenishing unit 23, a fifth temperature monitoring meter 26, a water source heat pump unit 30, a waste water tank 33, a sixth temperature monitoring meter 34 and an air source heat pump unit 40.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, the disclosure will be provided more fully and completely by way of example embodiments, and will fully convey the concept of example embodiments to those skilled in the art.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to provide a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject disclosure can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and so forth. In other instances, well-known methods, devices, implementations, or operations have not been shown or described in detail to avoid obscuring aspects of the disclosure.
Fig. 1 illustrates a multi-heat source heat pump hot water system of an embodiment of the present disclosure.
As shown in fig. 1, the system includes a heating module, a thermostatic water tank 20 and a user side water using device. Wherein the heat supply module includes solar energy heat supply module, water source heat supply module and air can heat supply module, solar energy heat supply module, water source heat supply module and air can heat supply module are connected to constant temperature water tank 20 respectively, and constant temperature water tank 20 and user side water equipment intercommunication.
The solar heat supply module comprises a solar heat collector 10 and a solar water tank 14, wherein the solar heat collector 10 is communicated with the solar water tank 14 through a circulating water path. A water pump P1 is arranged on a circulating water path between the solar thermal collector 10 and the solar water tank 14, whether the circulating water path between the solar thermal collector 10 and the solar water tank 14 is communicated or not is controlled through a switch of the water pump P1, and the solar thermal collector 10 is used for heating water in the circulating water path. The water outlet end of the solar thermal collector 10 is provided with a first temperature monitoring meter 11 for monitoring the water outlet temperature T1 of the solar thermal collector 10, and the water inlet end of the solar thermal collector 10 is provided with a second temperature monitoring meter 12 for monitoring the water inlet temperature T2 of the solar thermal collector 10.
A third temperature monitoring meter 15 for monitoring the temperature T3 in the water tank and a first water level meter 16 for monitoring the water level height in the solar water tank 14 are arranged in the solar water tank 14. Whether the solar heat collector heats water to the solar water tank or not is controlled by the temperature difference between the water outlet temperature T1 of the solar heat collector 10 and the temperature T3 in the solar water tank 14.
The solar water tank 14 is also connected to a first cold water replenishing unit 17, and the first cold water replenishing unit 17 is used for replenishing cold water to the solar water tank 14. The first cold water replenishing unit 17 includes a first water inlet pipe connected to an external water source, for example, tap water, the first water inlet pipe is connected to the solar water tank 14, a first water replenishing solenoid valve E1 for controlling whether the first water inlet pipe is conducted or not is provided between the first water inlet pipe and the solar water tank 14, and when the first water replenishing solenoid valve E1 is opened, the external water source replenishes water to the solar water tank 14 through the first water inlet pipe. And a first water level gauge 16 for monitoring the water level is provided in the solar water tank. In the embodiment, whether water needs to be supplemented into the solar water tank or not is controlled according to the temperature T3 and the water level height in the solar water tank. Preferably, the first water inlet pipe is provided with an electric heating band 18, the electric heating band 18 is used for heating the water replenished into the solar water tank 14 through the first cold water replenishing unit 17, and the electric heating band can increase the temperature of the water in the solar water tank when the solar energy is insufficient, so that the solar water tank can be prevented from freezing when the external environment temperature is too low.
The solar water tank 14 is connected with the constant temperature water tank 20 through a water path and is used for adding hot water in the solar water tank 14 into the constant temperature water tank 20. And a water pump P2 is arranged on a water path between the solar water tank 14 and the constant-temperature water tank 20, and whether the water path between the solar water tank 14 and the constant-temperature water tank 20 is communicated or not is controlled by controlling a switch of the water pump P2. Preferably, a fourth temperature monitoring meter 22 for monitoring the temperature T4 in the constant temperature water tank 20 and a second water level meter 21 for monitoring the water level height are provided in the constant temperature water tank 20. In a specific embodiment, whether the water is supplemented to the thermostatic water tank by the solar water tank can be determined by combining the temperature difference between the water temperature T3 in the solar water tank and the water temperature T4 in the thermostatic water tank and the water level height in the solar water tank and the water level height in the thermostatic water tank.
The water source heat supply module comprises a waste water tank 33 and a water source heat pump unit X1, the waste water tank 33 is used for receiving and storing hot water discharged by the industry, and a sixth temperature monitoring meter 34 used for monitoring the water temperature in the waste water tank 33 is arranged in the waste water tank 33; the waste water tank 33 is connected with the water source heat pump unit X1 30 through a circulating water path, a water pump P5 is arranged on the circulating water path, and whether the waste water tank 33 is communicated with the water source heat pump unit X1 through the circulating water path is controlled through a switch of the water pump P5; the water source heat pump unit X1 is connected with the constant temperature water tank 20 through a circulating water path, a water pump P7 is arranged on the circulating water path, and the water source heat pump unit X1 is controlled to be conducted with the circulating water path between the constant temperature water tank 20 through a switch of the water pump P7; when circulating water paths between the waste water tank 33 and the water source heat pump unit X1 and between the water source heat pump unit X1 30 and the constant temperature water tank 20 are both communicated, the water source heat pump unit X1 30 is started to exchange heat to heat water in the constant temperature water tank 20.
The air energy heat supply module comprises an air energy heat pump unit X2, the air energy heat pump unit X2 is communicated with the constant temperature water tank 20 through a circulating water path, a water pump P6 is arranged on the circulating water path, and whether the circulating water path between the air energy heat pump unit X2 and the constant temperature water tank 20 is conducted or not is controlled through a switch of the water pump P6. When the water temperature in the constant temperature water tank 20 needs to be improved by the air energy heat supply module, a water path from the water pump P6 to the constant temperature water tank 20 is opened, and the air energy heat pump unit X2 is started to heat.
The constant temperature water tank 20 is further connected to a second cold water replenishing unit 23, and the second cold water replenishing unit 23 is used for replenishing the constant temperature water tank 20 with cold water. The second cold water replenishing unit 23 includes a second water inlet pipe connected to an external water source such as tap water, the second water inlet pipe is connected to the constant temperature water tank 20, and a second replenishing electromagnetic valve E2 for controlling whether the second water inlet pipe is conducted or not is provided between the second water inlet pipe and the constant temperature water tank 20. When the water source heat supply module or the air energy heat supply module is used, the second cold water supplementing unit 23 controls the second water supplementing solenoid valve E2 to be opened or closed according to the water level in the constant temperature water tank 20 and the water temperature T4 in the water tank, so as to automatically supplement cold water into the constant temperature water tank 20.
In the above system, the solar water tank 14 and the second cold water replenishing unit 23 may be configured to replenish water into the constant-temperature water tank 20, and may control whether water needs to be replenished into the constant-temperature water tank according to the water temperature and the water level condition in the constant-temperature water tank, and the solar water tank 14 replenishes water into the constant-temperature water tank 20 or the second cold water replenishing unit 23 replenishes water into the constant-temperature water tank is determined by combining the water level height in the solar water tank.
The constant temperature water tank 20 is connected with the user side water equipment through a circulating pipeline, a water pump P4 is arranged on the circulating pipeline, and whether the constant temperature water tank 20 is conducted with the user side water equipment or not is controlled through a switch of the water pump P4. Preferably, a fifth temperature monitor 26 is provided on the circulating water circuit for monitoring the temperature of the water in the circuit. And controlling whether the pipeline anti-freezing function is started or not according to the monitoring result of the fifth temperature monitoring meter 26.
In the multi-heat-source heat pump water heating system, water heated by the solar heat collector 10 passes through the solar water tank 14 and then is added to the constant temperature water tank 20, and hot water in the constant temperature water tank 20 is sent to a user side for use; the waste water tank 33 is used for storing hot water discharged by industry, and the hot water directly circulates to the water source heat pump unit X1 30 and is used for exchanging heat for heating the water by the water source heat pump unit X1 30; the water heated by the water source heat pump unit X1 and the air source heat pump unit X2 enters the constant temperature water tank 20 directly and is supplied to the user side. Among the above-mentioned many heat sources heat pump hot water system, the work priority of solar energy heat supply module is greater than water source heat supply module, and water source heat supply module is greater than the work priority of air ability heat supply module to can rationally utilize solar energy resource and abandonment industry hot water resource to supply heat, practice thrift electric power resource, can guarantee the stability that user side hot water provided simultaneously.
The working principle of the heat pump system is as follows: preferentially, the solar heat supply module supplies heat, the solar heat collector 10 utilizes solar radiation for heating, hot water is stored in the solar water tank, and whether forced circulation between the solar heat collector 10 and the solar water tank is started or not is controlled by a switch of the water pump P1. Under the condition that the solar heat supply module is insufficient in heat supply, if the water temperature in the wastewater tank is monitored to be sufficient for heating and heat exchange, the water source heat supply module is started, and the water in the constant-temperature water tank is heated by recovering heat in the wastewater through the water source heat pump unit X1, so that the wastewater resource can be reasonably utilized, and the resource is saved compared with that of an air source heat supply module; under the condition that the solar heat supply module and the water source heat supply module are insufficient in heat supply, the air source heat supply module is started to supply heat, and therefore the stability of hot water supply of the system can be guaranteed.
Although embodiments of the present disclosure have been shown and described above, it will be understood that the above embodiments are exemplary and should not be construed as limiting the present disclosure, and that changes, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present disclosure.
Claims (8)
1. The multi-heat-source heat pump hot water system is characterized by comprising a heat supply module, a constant-temperature water tank (20) and user side water using equipment, wherein the heat supply module comprises a solar heat supply module, a water source heat supply module and an air energy heat supply module, the solar heat supply module, the water source heat supply module and the air energy heat supply module are respectively connected to the constant-temperature water tank (20), and the constant-temperature water tank (20) is used for the user side water using equipment to provide hot water with set temperature;
the solar heat supply module comprises a solar heat collector (10) and a solar water tank (14), the solar heat collector (10) is communicated with the solar water tank (14) through a circulating water path, a water pump P1 is arranged on the circulating water path, when the water pump P1 is turned on, low-temperature water in the solar water tank (14) is conveyed into the solar heat collector (10) through the circulating water path to be heated, and the heated water is conveyed into the solar water tank (14) through the circulating water path; the water outlet end of the solar water tank (14) is connected to the constant temperature water tank (20);
the water source heat supply module comprises a waste water tank (33) and a water source heat pump unit X1, wherein the waste water tank (33) is used for receiving and storing hot water discharged by the industry; the waste water tank (33) is connected with the water source heat pump unit X1 through a circulating water path, a water pump P5 is arranged on the circulating water path, and the waste water tank (33) is controlled to be communicated with the water source heat pump unit X1 through the circulating water path by the switch of the water pump P5; the water source heat pump unit X1 is connected with the constant temperature water tank (20) through a circulating water path, a water pump P7 is arranged on the circulating water path, and the on-off of the water pump P5 is used for controlling whether the circulating water path between the water source heat pump unit X1 and the constant temperature water tank (20) is conducted or not; when circulating water paths between the waste water tank (33) and the water source heat pump unit X1 and between the water source heat pump unit X1 and the constant temperature water tank (20) are both communicated, starting the water source heat pump unit X1 to exchange heat to heat water in the constant temperature water tank (20);
the air energy heat supply module comprises an air energy heat pump unit X2, the air energy heat pump unit X2 is communicated with the constant temperature water tank (20) through a circulating water path, a water pump P6 is arranged on the circulating water path, whether the circulating water path between the air energy heat pump unit X2 and the constant temperature water tank (20) is conducted or not is controlled through a switch of the water pump P6, and when the circulating water path is conducted, the air energy heat pump unit X2 is started;
the working priority of the solar heat supply module is greater than that of the water source heat supply module, and the water source heat supply module is greater than that of the air energy heat supply module.
2. The multi-heat-source heat pump hot water system as claimed in claim 1, wherein a first temperature monitor (11) for monitoring the temperature T1 at the water outlet end and a second temperature monitor (12) for monitoring the temperature T2 at the water inlet end are arranged on the solar heat collector (10), a third temperature monitor (15) for monitoring the temperature T3 of water in the solar water tank (14) is arranged in the solar water tank (14), and the water pump P1 is controlled to be switched on and off according to the temperature T1 at the water outlet end of the solar heat collector (10) and the temperature T3 of water in the solar water tank (14).
3. The multi-heat-source heat pump hot water system as claimed in claim 1, wherein the solar water tank (14) is connected with a first cold water replenishing unit (17), the first cold water replenishing unit (17) comprises a first water inlet pipe connected with an external water source, a first replenishing electromagnetic valve E1 for controlling whether the first water inlet pipe is conducted or not is arranged between the first water inlet pipe and the solar water tank (14), and when the first replenishing electromagnetic valve E1 is opened, the external water source replenishes water to the solar water tank (14) through the first water inlet pipe.
4. A multi-heat-source heat pump hot water system as claimed in claim 3, wherein the first water inlet pipe is provided with an electric heating belt (18), and the electric heating belt (18) is used for heating the first water inlet pipe.
5. The multi-heat-source heat pump hot water system according to claim 1, wherein the constant temperature water tank (20) is connected to a second cold water replenishing unit (23), the second cold water replenishing unit (23) comprises a second water inlet pipe connected to an external water source, a second water replenishing solenoid valve E2 for controlling whether the second water inlet pipe is conducted or not is arranged between the second water inlet pipe and the constant temperature water tank (20), and when the second water replenishing solenoid valve is opened, the external water source replenishes water to the constant temperature water tank (20) through the second water inlet pipe.
6. The multi-heat-source heat pump hot water system as claimed in claim 1, wherein a third temperature monitor (15) for monitoring the temperature of water T3 in the solar water tank (14) is arranged in the solar water tank (14), a fourth temperature monitor for monitoring the temperature of water T4 in the constant temperature water tank (20) is arranged in the constant temperature water tank (20), and the water pump P2 is controlled to be switched on and off according to the temperature of water T3 in the solar water tank (14) and the temperature of water T4 in the constant temperature water tank (20).
7. A multi-heat-source heat pump hot water system according to claim 1, characterized in that a sixth temperature monitor (34) for monitoring the temperature T6 of the water in the waste water tank (33) is arranged in the waste water tank (33), a fourth temperature monitor for monitoring the temperature T4 of the water in the thermostatic water tank (20) is arranged in the thermostatic water tank (20), and the water pumps P5 and P7 are controlled to be switched on and off according to the temperature T6 of the water in the waste water tank (33) and the temperature T4 of the water in the thermostatic water tank (20).
8. The multi-heat-source heat pump hot water system as claimed in any one of claims 2 to 7, wherein a first water level gauge (16) for monitoring the water level is arranged in the solar water tank (14), and water is supplemented into the solar water tank (14) in combination with the control of the water level; and a second water level meter for monitoring the water level height is arranged in the constant-temperature water tank (20), and water is supplied into the constant-temperature water tank (20) by combining the water level height control.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221382112.4U CN217653967U (en) | 2022-05-30 | 2022-05-30 | Multi-heat-source heat pump hot water system |
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| CN202221382112.4U CN217653967U (en) | 2022-05-30 | 2022-05-30 | Multi-heat-source heat pump hot water system |
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| CN217653967U true CN217653967U (en) | 2022-10-25 |
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| CN202221382112.4U Active CN217653967U (en) | 2022-05-30 | 2022-05-30 | Multi-heat-source heat pump hot water system |
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2022
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