Water recovery type triple co-generation system
By introducing domestic water devices and wastewater collection and treatment devices into the triple supply system, the domestic water used is treated and purified as a water replenishment source, and the water consumption and energy consumption problems caused by external water sources in the prior art are solved, and water reuse and efficient energy utilization are achieved.
Patent Information
- Application Number
- CN202422133072.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-30
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-08-30
AI Technical Summary
The existing triple supply system requires external water sources for water replenishment, resulting in an increase in user water consumption and an increase in system energy consumption.
A water recovery triple supply system is designed. Through the domestic water device and the wastewater collection and treatment device, the domestic water used is treated and purified, and it is used as a water replenishment source for the floor heating water tank and the external unit.
The reuse of domestic water is realized, the water consumption of floor heating is saved, the power consumption of floor heating is reduced, and the energy consumption of system heating is reduced through the processed hot water.
Smart Images

Figure CN222951100U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of trigeneration heat pump air conditioners, in particular to a water recovery type trigeneration system. Background Art
[0002] In today's society, energy issues have always been a problem that the country needs to solve. However, the energy required for electricity and water used in air conditioning, cooling and heating accounts for a considerable proportion of energy consumption each year. In addition, the user's domestic water is discarded after one use. Although part of the water cannot be directly
[0003] There are many wastewater sources, such as hot spring wastewater, groundwater, lake water, industrial equipment cooling water, bathing wastewater, etc., which can be used as cold and heat sources to discharge indoor heat into wastewater through a device to achieve indoor cooling. At the same time, part of the wastewater can be recycled through the equipment to produce sanitary hot water for full utilization of heat. Low-level heat energy can also be absorbed from wastewater through the equipment. On the one hand, the heat is transported to the room through the carrier water cycle to achieve the purpose of heating, and on the other hand, the heat can be stored in water to produce hot water for life. This can greatly improve energy utilization, reduce the use of conventional energy to achieve cooling and heating, and greatly reduce operating energy consumption.
[0004] The prior art with announcement number CN115507472A discloses a multi-energy domestic water cooling and heating trigeneration system, including a water supply pipe, a solar water heating device, an air energy water tank, a water flow switch, a heat exchanger tank, a capillary network, an air source heat pump and a controller. The water outlet of the solar water heating device is connected to the first end of an electric three-way valve, the second end of the electric three-way valve is connected to the water inlet of the air energy water tank via a water pump, the third end of the electric three-way valve and the water outlet of the air energy water tank are both connected to the water flow switch, the water inlet of the heat exchanger pipe is connected to the water outlet of the air energy water tank via an electric two-way valve, the water outlet of the heat exchanger pipe is connected to the water flow switch via an electric two-way valve, the water outlet of the heat exchanger pipe is simultaneously connected to the water inlet of the solar water heating device, the box body is connected to the air source heat pump, and the second water outlet of the box body is connected to the water inlet of the capillary network.
[0005] The existing technology requires an external water source to replenish the trigeneration system, which will increase the user's water consumption and increase the system's energy consumption. Utility Model Content
[0006] In order to solve the problem of large water consumption of floor heating in the prior art, the utility model aims to provide a water recovery type trigeneration system.
[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a water recovery type trigeneration system comprises an outdoor unit, an indoor unit, a domestic water tank, a floor heating water tank and a floor heating pipe; the outdoor unit is connected to the indoor unit through a pipeline, the indoor unit is connected to the outdoor unit again through a pipeline installed with a domestic water tank, the pipeline between the indoor unit and the domestic water tank is connected to the floor heating water tank, both ends of the floor heating pipe are connected to the floor heating water tank, a pressure relief port is provided on the floor heating water tank, and a second pressure relief valve is installed at the pressure relief port of the floor heating water tank; wherein the medium flowing through the domestic water tank exchanges heat with the water in the domestic water tank;
[0008] It also includes a domestic water device, to which the domestic water tank supplies water through a pipeline;
[0009] It also includes a wastewater collection and treatment device, which can centrally treat and purify the used domestic water and then replenish water for the floor heating water tank and the external unit.
[0010] Preferably, the domestic wastewater collection and treatment device includes a floor drain and a processor. The floor drain can deliver used domestic water to the processor through a pipeline, and the processor can grind, filter and sterilize the used domestic water and then replenish water to the external unit and the floor heating water tank.
[0011] Preferably, the processor includes a shell and a grinding mechanism, a filter and a sterilization mechanism arranged in the shell;.
[0012] Preferably, a water inlet and a water outlet are provided on the outer shell, and the grinding mechanism, the filter screen and the sterilization mechanism are sequentially arranged between the water inlet and the water outlet.
[0013] Preferably, the grinding mechanism comprises a toothed cutter disc and a motor, wherein the motor is vertically arranged and the toothed cutter disc is mounted on a motor shaft of the motor; the motor can shred the garbage entering the processor by driving the toothed cutter disc to rotate.
[0014] Preferably, the power connection port of the motor is arranged on the housing, and an external power source can supply power to the motor through electric wires and a plug-in box for the power connection port.
[0015] Preferably, the housing is also provided with a drain port for discharging filter screen garbage.
[0016] Preferably, a first three-way joint is installed on the pipeline between the indoor unit and the domestic water tank, and the first three-way joint is connected to the floor heating water tank through the pipeline.
[0017] Preferably, a second three-way joint is further included, and the three ports of the second three-way joint are respectively connected to the wastewater collection and treatment device, the floor heating water tank, and the pipeline between the external unit and the domestic water tank.
[0018] Preferably, a pressure relief port and a drain port are provided on the domestic water tank, and a first pressure relief valve is installed at the pressure relief port of the domestic water tank.
[0019] Preferably, one end of the pipeline equipped with the domestic water supply device is connected to the water outlet of the domestic water tank, and the other end of the pipeline equipped with the domestic water supply device is connected to the pressure relief port of the domestic water tank.
[0020] The beneficial effects of the technical solution of the utility model are: domestic water that is discarded after being used once can be reused, which can save water and reduce power consumption for floor heating; and the residual heat of the hot water after being treated can enter the buffer water tank, thereby reducing the energy consumption required for system heating. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a structural schematic diagram of a water recovery trigeneration system;
[0022] Figure 2 Schematic diagram of the processor structure
[0023] Figure numerals: 1. outdoor unit; 2. indoor unit; 3. domestic water tank; 4. domestic water device; 5. floor heating water tank; 6. floor heating pipe; 7. first floor drain; 8. second floor drain; 9. processor; 10. first three-way joint; 11. second three-way joint; 12. first pressure relief valve; 13. second pressure relief valve; 14. drain outlet; 15. water inlet; 16. water outlet; 17. power connection port; 18. outer casing. DETAILED DESCRIPTION
[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.
[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "clockwise", "counterclockwise" and the like indicate orientations or position relationships based on the orientations or position relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more, unless otherwise clearly defined.
[0027] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0028] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature. Example
[0029] like Figure 1 and Figure 2 A water recovery trigeneration system is shown, comprising an outdoor unit 1, an indoor unit 2, a domestic water tank 3, a floor heating water tank 5 and a floor heating pipe 6; the outdoor unit 1 is connected to the indoor unit 2 through a pipeline, the indoor unit 2 is connected to the outdoor unit 1 again through a pipeline installed with the domestic water tank 3, the pipeline between the indoor unit 2 and the domestic water tank 3 is connected to the floor heating water tank 5, both ends of the floor heating pipe 6 are connected to the floor heating water tank 5, a pressure relief port is provided on the floor heating water tank 5, and a second pressure relief valve 13 is installed at the pressure relief port of the floor heating water tank 5; wherein, the medium flowing through the domestic water tank 3 exchanges heat with the water in the domestic water tank 3;
[0030] It also includes a domestic water device 4, and the domestic water tank 3 supplies water to the domestic water device 4 through a pipeline; it also includes a wastewater collection and treatment device, which can treat and purify the used domestic water to replenish the floor heating water tank 5 and the external unit 1.
[0031] With this arrangement, domestic water that would otherwise be discarded after being used once can be reused, which can save water and reduce electricity consumption for floor heating. In addition, the residual heat in the hot water after being processed can enter the buffer water tank, thereby reducing the energy consumption required for system heating.
[0032] In this embodiment, the domestic wastewater collection and treatment device includes a first floor drain 7 and a processor 9. The first floor drain 7 can deliver the used domestic water to the processor 9 through a pipeline. The processor 9 can grind, filter and sterilize the used domestic water and then replenish water to the external unit 1 and the floor heating water tank 5. Further preferably, the processor 9 includes a shell 18 and a grinding mechanism, a filter screen and a sterilization mechanism arranged in the shell 18; the shell 18 is provided with a water inlet 15 and a water outlet 16, and the grinding mechanism, the filter screen and the sterilization mechanism are arranged between the water inlet 15 and the water outlet 16 in sequence. Further preferably, the grinding mechanism includes a toothed cutter disc and a motor, the motor is vertically arranged, and the toothed cutter disc is installed on the motor shaft of the motor; the motor can cut the garbage entering the shell 18 by driving the toothed cutter disc to rotate. Further preferably, the power connection port 17 of the motor is arranged on the shell 18, and the external power supply can be connected to the power connection port 17 through the wire to supply power to the motor. Further preferably, the shell 18 is also provided with a sewage outlet for discharging the filter screen garbage. Preferably, the sterilization mechanism is a silver ion sterilizer. Preferably, the first floor drain is installed in the bathroom, and the second floor drain 8 is installed in other living areas. In this way, the garbage entering the pipeline is shredded by the blade to ensure the order of drainage, and the sterilization mechanism can purify the wastewater to keep the circulating water clean. In other embodiments, the structure for processing it can refer to the prior art with announcement numbers CN219745041U, CN111822113A or CN107983507A.
[0033] In this embodiment, a first three-way joint 10 is installed on the pipeline between the indoor unit 2 and the domestic water tank 3, and the first three-way joint 10 is connected to the floor heating water tank 5 through a pipeline. A second three-way joint 11 is also included, and the three ports of the second three-way joint 11 are respectively connected to the wastewater collection and treatment device, the floor heating water tank 5, and the pipeline between the outdoor unit 1 and the domestic water tank 3.
[0034] In this embodiment, two second pressure relief valves 13 are installed at the pressure relief port of the floor heating water tank 5; a pressure relief port and a drain port 14 are provided on the domestic water tank 3, and a first pressure relief valve 12 is installed at the pressure relief port of the domestic water tank 3. Furthermore, water flowing out of the pressure relief port and the drain port 14 can be collected from the wastewater collection and treatment device.
[0035] In this embodiment, the pipeline arranged in the domestic water tank 3 is spiral-shaped.
[0036] In this embodiment, the domestic water device 4 includes a shower head, and domestic water is supplied to the shower head through a pipeline.
[0037] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0038] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention.
Claims
1. A water recovery trigeneration system, characterized in that: The invention comprises an outdoor unit (1), an indoor unit (2), a domestic water tank (3), a floor heating water tank (5) and a floor heating pipe; the outdoor unit (1) is connected to the indoor unit (2) via a pipe, the indoor unit (2) is connected to the outdoor unit (1) via a pipe installed with the domestic water tank (3), the pipe between the indoor unit (2) and the domestic water tank (3) is connected to the floor heating water tank (5), both ends of the floor heating pipe are connected to the floor heating water tank (5), a pressure relief port is provided on the floor heating water tank (5), and a second pressure relief valve (13) is installed at the pressure relief port of the floor heating water tank (5); wherein the medium flowing through the domestic water tank (3) exchanges heat with the water in the domestic water tank (3); It also includes a domestic water device, wherein the domestic water tank (3) supplies water to the domestic water device (4) through a pipeline; It also includes a wastewater collection and treatment device, which can centrally treat and purify used domestic water to replenish the floor heating water tank (5) and the external unit (1).
2. A water recovery trigeneration system according to claim 1, characterized in that: The domestic wastewater collection and treatment device comprises a floor drain and a treatment device (9). The floor drain can deliver used domestic water to the treatment device (9) through a pipeline. The treatment device (9) can grind, filter and sterilize the used domestic water and then replenish water to an external unit (1) and a floor heating water tank (5).
3. A water recovery trigeneration system according to claim 2, characterized in that: The processor (9) comprises a housing, and a grinding mechanism, a filter screen, and a sterilizing mechanism arranged in the housing (18); A water inlet and a water outlet are provided on the outer shell (18), and the grinding mechanism, the filter screen and the sterilizing mechanism are sequentially arranged between the water inlet and the water outlet.
4. A water recovery trigeneration system according to claim 3, characterized in that: The grinding mechanism includes a toothed cutter disc and a motor. The motor is vertically arranged and the toothed cutter disc is mounted on the motor shaft of the motor. The motor can cut up the garbage entering the processor by driving the toothed cutter disc to rotate.
5. A water recovery trigeneration system according to claim 4, characterized in that: The power connection port (17) of the motor is arranged on the housing (18), and an external power source can supply power to the motor through an electric wire connected to the power connection port (17) and a plug-in box.
6. A water recovery trigeneration system according to claim 3, characterized in that: The housing (18) is also provided with a sewage outlet for discharging filter screen garbage.
7. A water recovery trigeneration system according to claim 1, characterized in that: A first three-way joint (10) is installed on the pipeline between the indoor unit (2) and the domestic water tank (3), and the first three-way joint (10) is connected to the floor heating water tank (5) through a pipeline.
8. The water recovery trigeneration system according to claim 1, characterized in that: It also comprises a second three-way joint (11), the three ports of which are respectively connected to the wastewater collection and treatment device, the floor heating water tank (5), and the pipeline between the external unit (1) and the domestic water tank (3).
9. A water recovery trigeneration system according to claim 1, characterized in that: A pressure relief port and a water discharge port (14) are provided on the domestic water tank (3), and a first pressure relief valve (12) is installed at the pressure relief port of the domestic water tank (3).
10. A water recovery trigeneration system according to claim 9, characterized in that: One end of the pipeline equipped with the domestic water device (4) is connected to the water outlet of the domestic water tank (3), and the other end of the pipeline equipped with the domestic water device (4) is connected to the pressure relief port of the domestic water tank (3).
Citation Information
Patent Citations
Crushing device for household garbage
CN107983507A
Traditional Chinese medicinal material grinding device
CN111822113A
Multi-energy domestic water cooling and heating combined supply system
CN115507472A
Automatic medicine crushing and grinding device
CN219745041U