CN221801912U - Solar energy electricity and heat supplementing frostless air source heat pump heating system - Google Patents
Solar energy electricity and heat supplementing frostless air source heat pump heating system Download PDFInfo
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- 239000002918 waste heat Substances 0.000 claims description 70
- 238000005338 heat storage Methods 0.000 claims description 63
- 239000013589 supplement Substances 0.000 claims description 16
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Abstract
The utility model provides a solar power-supplementing heat-supplementing frostless air source heat pump heating system, which comprises a solar power-generating power-supplementing unit I and an air source heat pump source side solar power-supplementing unit III, wherein the solar power-generating power-supplementing unit I comprises a solar PV/T assembly and an off-grid power distribution assembly which are connected in series, and the off-grid power distribution assembly is also connected with a heat-supplementing heat-storing circulating pump, a heat-supplying circulating pump and an air source heat pump compressor of an air source heat pump unit for supplying power; the solar heat-supplementing unit at the source side of the air source heat pump comprises a solar PV/T assembly which is connected with the air source heat pump unit through a heat-supplementing heat-accumulating circulating pump to form a circulating solar heat-supplementing unit. According to the photovoltaic solar energy generation system, the photovoltaic effect of the photovoltaic battery is utilized to directly convert solar radiation energy into electric energy, and generated electric power mainly uses the system for self-use, so that power supply and power utilization are solved nearby; the air source heat pump unit can release available heat, and the heat is circulated by the circulating pump to supply heat to the user side independently.
Description
Technical Field
The utility model relates to the technical field of solar heat supply, in particular to a solar electricity and heat supplementing frostless air source heat pump heat supply system.
Background
The air source heat pump is used for converting low-level heat energy (such as heat contained in air) which cannot be directly utilized into high-level heat energy which can be directly utilized. The air source heat pump heating system hardly generates emission of greenhouse gases and pollutants in operation, has obvious energy saving advantage compared with the traditional heating mode, and is beneficial to improving the quality of the atmospheric environment.
The air source heat pump heating system has certain dependence on the external environment temperature, when the air temperature is too low, the heating effect of the system is influenced to a certain extent, the frosting problem is easy to occur under the condition of certain humidity, and the reliability of the system in cold areas is poor. The heat pump uses air as renewable energy and is assisted with inexhaustible clean energy, namely solar energy, so that the energy complementation can be realized in different climates and time periods, and the overall energy utilization efficiency is further improved.
Solar photovoltaic photo-thermal technology (PVT) is a comprehensive utilization of solar photovoltaic technology and solar photo-thermal technology. The photovoltaic technology adopts a solar photovoltaic panel, and solar radiation is converted into electric energy through a control system. The photo-thermal technology converts solar radiation into heat energy through the heat collector, and simultaneously utilizes thermal circulation to cool the solar photovoltaic panel, so that the photoelectric conversion efficiency is improved, and the solar energy resource is utilized to the maximum extent. Solar heating systems are limited by geographic location, weather conditions, storage technology, and cause limitations in solar heating.
The Chinese invention patent with publication date 2018.12.28 and publication number CN109099614A discloses a novel solar frostless air source heat pump system, which comprises a photo-thermal photoelectric system, a solution circulating system and a heat pump system; the photo-thermal photoelectric system comprises a photo-thermal photoelectric integrated module for converting solar energy into heat energy and electric energy, a controller, a storage battery for storing electric energy and a heat storage water tank for storing heat energy. The solution circulation system comprises a solution tower, a solution pump, a plate heat exchanger, a dilute solution heater, an axial flow fan and a fin type air-cooled heat exchanger. The heat pump circulation system comprises a compressor and a four-way reversing valve fluorine heat exchange water heater.
However, the solar frostless air source heat pump system of the patent cannot realize the power supply of the system.
Disclosure of Invention
Aiming at the technical problems, the utility model provides a solar energy electricity and heat supplementing frostless air source heat pump heating system, which is used for solving the problem that the solar energy frostless air source heat pump system in the prior art cannot supplement electricity to the system.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
a solar energy electricity and heat supplementing frostless air source heat pump heating system comprises a solar energy PV/T assembly, an air source heat pump unit, a heat supplementing and storing circulating pump, a heat supplying circulating pump and an off-grid power distribution assembly; the solar energy power generation and supplement unit I and the air source heat pump source side solar energy heat supplement unit III are further included, the solar energy power generation and supplement unit I comprises a solar energy PV/T assembly and an off-grid power distribution assembly which are connected in series, and the off-grid power distribution assembly is further connected with the heat supplement heat storage circulating pump, the heat supply circulating pump and the air source heat pump compressor of the air source heat pump unit for supplying power; the solar heat-supplementing unit at the source side of the air source heat pump comprises a solar PV/T assembly and the air source heat pump unit, and the solar PV/T assembly is connected with the air source heat pump unit through a heat-supplementing heat-accumulating circulating pump to form a circulating solar heat-supplementing unit. The photovoltaic solar energy generating system directly converts solar radiation energy into electric energy by utilizing the photovoltaic effect of the photovoltaic cell, and the generated electric power mainly uses the system for self-use, so that the power supply and the power utilization are solved nearby; the air source heat pump unit can release available heat, and the heat is circulated by the circulating pump to supply heat to the user side independently; the stored energy is circulated through the heat-supplementing heat-storing circulating pump to supplement heat for the air source heat pump and the air preheater.
The solar heat storage system further comprises a second solar heat storage unit, wherein the second solar heat storage unit comprises a solar PV/T component and a heat accumulator, and the solar PV/T component is connected with the heat accumulator through a heat supplementing heat storage circulating pump to form a circulating heat storage unit.
The air source heat pump unit comprises an air source heat pump unit and a waste heat exchanger, and the air source heat pump unit is connected with the waste heat exchanger through a heat supplementing and accumulating circulating pump (B1) to form a circulating waste heat supplementing unit.
The heat storage system further comprises an air source heat pump source side heat storage device heat supplementing unit five, wherein the air source heat pump source side heat storage device heat supplementing unit five comprises an air source heat pump unit and a heat storage device, and the air source heat pump unit is connected with the heat storage device through a heat supplementing heat storage circulating pump to form a circulating heat storage device heat supplementing unit.
Further, the system also comprises an air source heat pump user side heat supply unit six, wherein the air source heat pump user side heat supply unit six comprises an air source heat pump unit and a heat supply circulating pump which are connected in series and are used for supplying heat to the user side.
The air source heat pump unit is connected to the user side through a first line, the heat accumulator is in circulating connection with a second line through an inlet and outlet line, one of the inlet and outlet lines is connected with the first line through a parallel line, and the parallel line, the inlet and outlet line and the first line and the second line are respectively provided with a valve X, a valve XI, a valve XII, a valve i and a valve ii for controlling the parallel or serial operation of the air source heat pump unit and the heat accumulator.
Further comprises an air source heat pump user side heat accumulator heat supply unit eight, wherein the air source heat pump user side heat accumulator heat supply unit eight comprises the supplementary heat storage circulating pump and the heat accumulator, the heat-supplementing heat-accumulating circulating pump is connected with the heat accumulator in series through the parallel circuit and the inlet and outlet circuit and is used for releasing the stored heat by the heat accumulator to supply heat to the user side.
Further, the heat storage device also comprises a waste heat storage unit nine, wherein the waste heat storage unit nine comprises a heat accumulator, a heat supplementing heat storage circulating pump and a waste heat exchanger, the heat accumulator, the heat supplementing heat storage circulating pump and the waste heat exchanger are connected into a circulating waste heat storage unit through circuits, a valve VIII is arranged on a circuit between the heat accumulator and the heat supplementing heat storage circulating pump, and a valve III and a valve IX are arranged on a circuit between the heat supplementing heat storage circulating pump and the waste heat exchanger.
Further, a valve VI is arranged on a connecting line between the air source heat pump unit and the heat accumulator; a valve iii is further arranged on a connecting line between the heat supplementing and storing circulating pump and the heat accumulator; a valve II and a valve V are arranged on a connecting line between the air source heat pump unit and the solar PV/T assembly; a valve I is arranged on a connecting line between the solar PV/T assembly and the heat-supplementing and heat-storing circulating pump, a valve IV is arranged on a connecting line between the heat-supplementing and heat-storing circulating pump and the air source heat pump unit, and a valve VII is arranged on a connecting line between the heat-supplementing and heat-storing circulating pump and the waste heat exchanger.
Further, the off-grid power distribution assembly comprises a storage battery, a controller and an inverter which are connected in series.
The utility model has the beneficial effects that:
1. The solar PV/T component converts solar light and heat into heat energy, stores the heat energy for days or even longer through the heat accumulator to obtain heat, and releases the heat energy when needed;
2. The energy circulation obtained by the solar PV/T component supplements heat for the air source heat pump and the air preheater to heat surrounding air, so that the working condition of the air source heat pump can be improved, and the risk of frosting of the air source heat pump caused by lower environmental temperature can be reduced;
3. The energy stored in the heat accumulator is circulated through the heat-supplementing heat-storing circulating pump, so that the air source heat pump and the air preheater are supplemented with heat;
4. According to the utility model, waste heat recovery is realized by utilizing the surplus and unutilized heat energy released in the production process, and the waste heat exchanger is used for heating the air entering the air source heat pump system;
5. According to the photovoltaic solar energy generation system, the photovoltaic effect of the photovoltaic battery is utilized to directly convert solar radiation energy into electric energy, and generated electric power mainly uses the system for self-use, so that power supply and power utilization are solved nearby;
6. The air source heat pump unit releases available heat through the condenser, circulates through the circulating pump and supplies heat to the user side independently;
7. According to the waste heat storage unit III, the waste heat of the high-temperature flue gas, the waste heat of the cooling medium, the waste heat of waste water and waste gas, the waste heat of chemical reaction, the waste heat of high-temperature products, slag and other different types of waste heat are stored through the heat accumulator, so that the waste heat is recycled;
8. The heat accumulator can solve the problems caused by unmatched heat energy supply and demand in time, space or intensity, and improves the energy utilization rate of the whole system to the maximum extent.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of a first solar power generation and supply unit according to the present utility model;
Fig. 3 is a schematic structural diagram of a second solar heat storage unit according to the present utility model;
fig. 4 is a schematic structural diagram of a third solar heat supplementing unit on the source side of the air source heat pump of the present utility model;
fig. 5 is a schematic structural diagram of a source side waste heat supplementing unit of the air source heat pump of the present utility model;
fig. 6 is a schematic structural diagram of a fifth heat supplementing unit of the source side heat accumulator of the air source heat pump of the present utility model;
Fig. 7 is a schematic structural diagram of a user side heating unit six of the air source heat pump of the present utility model;
Fig. 8 is a schematic structural diagram of a heat supply unit seven of the combined heat accumulator at the user side of the air source heat pump of the present utility model;
Fig. 9 is a schematic structural view of an air source heat pump user side heat accumulator heating unit eight of the present utility model;
fig. 10 is a schematic structural view of a waste heat storage unit nine of the present utility model;
FIG. 11 is a schematic of the workflow of the present utility model.
In the figure: 1. a solar PV/T assembly; 2. an air source heat pump unit, R1, a compressor, R2, a condenser, R3 and a throttling device, R4, an evaporator, R5, a fan, R6 and an air preheater; 3. a heat accumulator; 4. a waste heat exchanger; 5. off-grid power distribution assembly, D1, a controller, D2, a storage battery, D3 and an inverter group; b1, a heat-supplementing heat-storage circulating pump; b2, a heat supply circulating pump; f1, a valve I; f2, valve II; f3, valve iii; f4, valve iv; f5, valve v; f6, valve vi; f7, valve vii; f8, valve viii; f9, valve IX; f10, valve X; f11, valve xi; f12, valve XII; f13, valve i; f14, valve ii; f15, valve iii; f16, valve iv.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 10, the solar energy electricity-supplementing heat-supplementing frostless air source heat pump heat supply system provided by the embodiment 1 of the utility model comprises a solar energy PV/T assembly 1, an air source heat pump unit 2, a heat accumulator 3, a waste heat exchanger 4, an off-grid power distribution assembly 5, a heat-supplementing heat-accumulating circulating pump B1 and a heat-supplying circulating pump B2 which are connected. As shown in fig. 1, the air source heat pump unit 2 is composed of a compressor R1, a condenser R2, a throttling device R3, an evaporator R4, a fan R5, and an air preheater R6. The off-grid power distribution assembly consists of a controller D1, a storage battery D2 and an inverter D3, and the on-site generation and the on-site consumption of electric power are realized according to the principles of local conditions, cleanliness, high efficiency, distributed layout and near utilization. The energy obtained by the solar PV/T1 assembly is circulated through the heat supplementing and heat accumulating circulating pump B1, the air preheater R6 of the air source heat pump unit 2 supplements heat, and the ambient air is heated, so that the working condition of the air source heat pump can be improved, and the risk of frosting of the air source heat pump due to lower ambient temperature can be reduced; the energy stored in the heat accumulator 3 is circulated by the heat-supplementing heat-storing circulating pump B1, and the air preheater R6 of the air source heat pump unit 2 is supplemented with heat. The solar electricity and heat supplementing frostless air source heat pump heat supply system can utilize the surplus heat energy released in the production process and not utilized, so that waste heat recovery is realized, and the waste heat exchanger 4 is used for heating the air entering the air source heat pump system.
Further, as shown in fig. 1, the air source heat pump unit 2 is connected to the user side through a second line, and the heat accumulator 3 is respectively and circularly connected with the second line through an inlet line and an outlet line. The solar PV/T assembly 1 is connected with the heat-supplementing heat-accumulating circulating pump B1 through a line III, the heat-supplementing heat-accumulating circulating pump B1 is connected with the heat-intake end of the heat accumulator 3 through a line V, and the heat-outtake end of the heat accumulator 3 is connected with the solar PV/T assembly 1 through a line IV; the third line is provided with a valve IF 1, the fifth line is provided with a valve VIII F8, and the fourth line is provided with a valve II F2 and a valve IX F9. The air source heat pump unit 2 is connected with a line five through a line six, and a valve IVF 4 is arranged on the line six. The air source heat pump unit 2 is connected with a line four through a line seven. The line seven is also connected with the heat inlet end of the waste heat exchanger 4 through the line eight, and the heat outlet end of the waste heat exchanger 4 is connected with the line four. The valve VF 5 is arranged on the line seven, and the valve VII F7 is arranged on the line eight. Valve vf 5 is located between the junction of line eight and line seven and the junction of line seven and line four. The valve IX F9 is positioned on the line IV and between the junction of the line seven and the line IV and the junction of the heat-out end of the waste heat exchanger 4 and the line IV. The valve iii F15 is arranged on the line IV, and the position of the valve iii F15 on the line IV is positioned between the junction point of the heat outlet end of the waste heat exchanger 4 and the line IV and the heat accumulator 3. The line eight is also connected with the line five through a line nine, and a valve VI F6 is arranged on the line nine. In addition, the line III is connected with the line IV through a line ten, and a valve III F3 is arranged on the line ten. The line IV is communicated with the line eight through a line eleven, the joint of the line eleven and the line eight is positioned between the valve VII F7 and the waste heat exchanger 4, and the joint of the line eleven and the line IV is close to the heat accumulator 3. The line eleven is provided with a valve iv F16.
Further, the solar energy electricity-supplementing heat-supplementing frostless air source heat pump heat supply system comprises a plurality of units, wherein the solar energy electricity-supplementing heat pump heat supply system comprises a solar energy electricity-generating electricity-supplementing unit I, the solar energy electricity-generating electricity-supplementing unit I comprises a PV/T assembly 1 and an off-grid power distribution assembly 5 which are connected in series, and the off-grid power distribution assembly 5 is further connected with the heat-supplementing heat-storage circulating pump B1, the heat-supplying circulating pump B2 and an air source heat pump compressor R1 of the air source heat pump unit 2 through power transmission lines respectively for supplying power. The solar power generation and supplement unit directly converts solar radiation energy into electric energy by utilizing the photovoltaic effect of the photovoltaic cell, and the generated electric power mainly uses the unit for self-use, namely, power is supplied to the heat supplement and heat storage circulating pump B1, the heat supply circulating pump B2 and the air source heat pump compressor R1, so that power supply and power consumption are solved nearby.
As shown in fig. 2 and 3, the solar energy electricity and heat supplementing frostless air source heat pump heat supply system further comprises a solar energy heat storage unit II, wherein the solar energy heat storage unit II comprises the solar energy PV/T assembly 1, a heat supplementing heat storage circulating pump B1 and a heat accumulator 3. The solar PV/T assembly 1 is connected with the heat accumulator 3 through a third line, a heat-supplementing heat-accumulating circulating pump B1 and a fifth line, and the heat accumulator 3 is connected with the solar PV/T assembly 1 through a fourth line to form a circulating heat-accumulating unit. The solar PV/T module 1 converts solar light and heat into heat energy, which is stored by the regenerator 3 for several days or even longer to get heat, which is released when needed.
Embodiment 2 differs from embodiment 1 in that, for the heat source side of the air source heat pump unit 2, the air source heat pump unit is divided into a third solar heat supplementing unit, a fourth waste heat supplementing unit and a fifth heat supplementing unit, so that the heat of the air source heat pump source side is supplemented, the occurrence of frosting phenomenon under the conditions of low ambient temperature and high relative humidity can be effectively relieved, the temperature of the source side is increased, the operation condition of the air source heat pump is improved, and the operation efficiency of the air source heat pump unit is improved.
Further, as shown in fig. 4, the solar energy electricity-supplementing heat-supplementing frostless air source heat pump heat supply system further comprises an air source heat pump source side solar heat supplementing unit III, and the air source heat pump source side solar heat supplementing unit III comprises the solar PV/T assembly 1, the heat supplementing heat storage circulating pump B1 and the air source heat pump unit 2. The solar PV/T assembly 1 is connected with the air source heat pump unit 2 through a third line, a heat-supplementing heat-accumulating circulating pump B1 and a sixth line, and the air source heat pump unit 2 is connected with the solar PV/T assembly 1 through a fourth line and a part of the fourth line to form a circulating solar heat-supplementing unit. The heat obtained by the solar PV/T assembly 1 is circulated through the heat supplementing and heat accumulating circulating pump B1, and the heat supplementing is carried out on the source side of the air source heat pump.
Further, as shown in fig. 5, the solar energy electricity and heat supplementing frostless air source heat pump heat supply system further comprises an air source heat pump source side waste heat supplementing unit four, wherein the air source heat pump unit 2, the heat supplementing and storing circulating pump B1 and the waste heat exchanger 4 are arranged in the air source heat pump source side waste heat supplementing unit four. The air source heat pump unit 2 is connected with the hot end of the waste heat exchanger 4 through a line six and a heat supplementing heat storage circulating pump B1 and a line ten, and the hot end of the waste heat exchanger 4 is connected with the air source heat pump unit 2 through a line eight to form a circulating waste heat supplementing unit. Valve III F3 and valve IX F9 are located between the heat supplementing and storing circulating pump B1 and the hot end of the waste heat exchanger 4. The waste heat supplementing unit four on the source side of the air source heat pump extracts heat in the waste heat through the waste heat exchanger 4, and the waste heat is recycled through the heat supplementing and storing circulating pump B1 to supplement heat on the source side of the air source heat pump.
Embodiment 3 differs from embodiment 1 in that, as shown in fig. 6, the solar energy electricity-supplementing heat-supplementing frostless air source heat pump heat supply system further includes an air source heat pump source side heat accumulator heat supplementing unit five, and the air source heat pump source side heat accumulator heat supplementing unit five includes the air source heat pump unit 2, the heat supplementing heat accumulating circulation pump B1 and the heat accumulator 3. The air source heat pump unit 2 is connected with the heat inlet end of the heat accumulator 3 through a part of line eight, a part of line nine and a part of line five, the heat outlet end of the heat accumulator is connected with the air source heat pump unit 2 through a part of line four, a line ten and a heat supplementing and heat storage circulating pump B1 to form a circulating heat accumulator heat supplementing unit, and the heat stored in the heat accumulator 3 is utilized to circulate through the heat supplementing and heat storage circulating pump B1 to supplement heat to the air source side.
Embodiment 4 differs from embodiment 1 in that, as shown in fig. 7, the solar energy electricity-supplementing heat-supplementing frostless air source heat pump heat supply system further comprises an air source heat pump user side heat supply unit six, the air source heat pump user side heat supply unit six comprises an air source heat pump unit 2 and a heat supply circulating pump B2, the air source heat pump unit 2 is connected with the heat supply circulating pump B2 in series through a first line, the air source heat pump unit 2 is connected to the user side through a second line, a valve i F13 is arranged on the first line, and a valve ii F14 is arranged on the second line. The air source heat pump unit 2 releases available heat through the condenser R2, circulates through the heat supply circulating pump B2 and supplies heat to the user side independently.
Embodiment 5 is different from embodiment 4 in that, as shown in fig. 8, the solar electricity-supplementing heat-supplementing frostless air source heat pump heat supply system further includes an air source heat pump user side combined heat accumulator heat supply unit seven, the air source heat pump user side combined heat accumulator heat supply unit seven includes a heat supply circulating pump B2, the air source heat pump unit 2 and the heat accumulator 3, the heat accumulator 3 is respectively and circularly connected with a line two through an inlet line and an outlet line, the inlet line is connected with the line one through a parallel line, a valve xf 10 is arranged on the parallel line, a valve xi F11 is arranged on the inlet line, a valve xil F12 is arranged on the outlet line, a valve i F13 is arranged on the line one, a valve ii F14 is arranged on the line two, and the position of the valve ii F14 on the line two is located between the junction of the inlet line and the outlet line of the heat accumulator and the line two. The air source heat pump unit 2 and the heat accumulator 3 are respectively used as two heat sources, and the opening and closing of the valves of the valve XF 10, the valve XI F11, the valve XII F12, the valve I F13 and the valve II F14 are used for controlling the air source heat pump user side to combine with the heat accumulator to form a heat supply unit seven to form a parallel or serial-parallel circuit of the air source heat pump unit 2 and the heat accumulator 3, and heat is supplied to the user side in a combined mode of parallel connection and serial-parallel connection.
Embodiment 6 is different from embodiment 5 in that, as shown in fig. 9, the solar energy electricity-supplementing heat-supplementing frostless air source heat pump heat supply system further includes an air source heat pump user side heat accumulator heat supply unit eight, the air source heat pump user side heat accumulator heat supply unit includes the heat-supplementing heat-accumulating circulation pump B1 and the heat accumulator 3 connected in series, the heat-supplementing heat-accumulating circulation pump B1 is connected with the heat accumulator 3 through the parallel line and the inlet line, and the heat accumulator 3 is connected to the user side through the outlet line. The heat accumulator 3 of the unit releases the heat stored therein, providing heat solely to the user side.
For the unit user side, there are 3 heat supply modes of the air source heat pump user side heat supply unit six, the air source heat pump user side combined heat accumulator heat supply unit seven and the air source heat pump user side heat accumulator heat supply unit eight.
Embodiment 7 is different from embodiment 1 in that, as shown in fig. 10, the solar electricity-supplementing heat-supplementing frostless air source heat pump heat supply system further comprises a waste heat storage unit nine, the waste heat storage unit nine comprises a heat accumulator 3, a heat-supplementing heat storage circulating pump B1 and a waste heat exchanger 4, the heat-supplementing heat storage circulating pump B1 is connected with the heat inlet end of the heat accumulator 3 through a line five, the heat outlet end of the heat accumulator 3 is connected with the heat inlet end of the waste heat exchanger 4 through a part of a line four and a line eleven, the heat outlet end of the waste heat exchanger 4 is connected with the heat-supplementing heat storage circulating pump B1 through a part of a line four and a line eleven to form a circulating waste heat storage unit, a valve VIII F8 is arranged on a line between the heat accumulator 3 and the heat-supplementing heat storage circulating pump B1, and a valve IIIf 3 and a valve IX F9 are arranged on a line between the heat-supplementing heat circulating pump B1 and the waste heat exchanger 4. The waste heat storage unit nine stores different types of waste heat such as high-temperature flue gas waste heat, cooling medium waste heat, waste water waste gas waste heat, chemical reaction waste heat, high-temperature products, slag and the like through the heat accumulator 3, so that the waste heat is recycled. The presence of the regenerator 3 can solve the problems caused by mismatch of thermal energy supply and demand in time, space or intensity, and maximize the energy utilization of the whole unit.
In the embodiment 8, the working flow chart of the solar energy electricity and heat supplementing frostless air source heat pump heat supply system is shown in fig. 11, wherein G is solar irradiance, and the unit W/square meter of G. And B, waste heat load is in kW. Outdoor temperature tw=t ℃. Outdoor humidity rh=a%.
The working method of the solar energy electricity and heat supplementing frostless air source heat pump heat supply system specifically comprises four heat supply modes, wherein the four heat supply modes are as follows:
1. When the system receives solar radiation, a valve IF 1, a valve VIII F8, a valve IX F9, a valve iii F15, a valve II F2, a valve XF 10 and a valve XII F12 are opened, a solar heat storage unit II and an air source heat pump user side heat storage heat supply unit eight are operated, and a part of energy obtained by the solar PV/T assembly 1 is circularly stored in the heat storage 3 through a heat supplementing heat storage circulating pump B1 to indirectly supply heat to the tail end; by opening the valve IF 1, the valve IVF 4, the valve VF 5 and the valve II F2, the solar heat supplementing unit at the source side of the air source heat pump is operated, and part of energy obtained by the solar PV/T assembly 1 is used for the air preheater R6, when the outdoor temperature is lower or lower than a set value, the evaporator side of the air source heat pump is supplemented with heat, so that the aim of no frosting of the air source heat pump is fulfilled; a part of energy obtained by the solar PV/T assembly 1 is used for solar photovoltaic power generation, namely a solar power generation supplementing unit is operated; the electricity generated by the photovoltaic panel is used for generating an alternating current load in an alternating current supply system through an inverter, and the alternating current load comprises a heat-supplementing heat-storing circulating pump B1, a heat-supplying circulating pump B2 and an air source heat pump compressor R1, so that zero energy consumption of the system is realized.
2. By opening the valve i F13 and the valve ii F14, the air source heat pump user side heat supply unit six operates, and the air source heat pump system circulates through the heat supply circulating pump B2 and then discharges available heat through the condenser R2.
3. By opening the valve xf 10, the valve xf 12, the valve i F13 and the valve ii F14, the air source heat pump unit 2 of the air source heat pump user side combined heat accumulator heating unit seven and the heat accumulator 3 are operated in parallel.
4. By opening the valve XI F11, the valve XII F12 and the valve iF 13, when the outlet water temperature t2 of the air source heat pump unit 2 is less than the temperature t3 of the heat accumulator 3, the air source heat pump unit 2 and the heat accumulator 3 are operated in series, and the heat consumption requirement of a user side is met through step heating.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. The solar electricity and heat supplementing frostless air source heat pump heat supply system is characterized by comprising a solar PV/T assembly (1), an air source heat pump unit (2), a heat supplementing and storing circulating pump (B1), a heat supplying circulating pump (B2) and an off-grid power distribution assembly (5); the solar energy power generation and supplement unit I and the air source heat pump source side solar energy heat supplement unit III are further included, the solar energy power generation and supplement unit I comprises a solar energy PV/T assembly (1) and an off-grid power distribution assembly (5) which are connected in series, and the off-grid power distribution assembly (5) is also connected with the heat supplement heat storage circulating pump (B1), the heat supply circulating pump (B2) and the air source heat pump compressor (R1) of the air source heat pump unit (2) for supplying power; the solar heat-supplementing unit at the source side of the air source heat pump comprises a solar PV/T assembly (1) and the air source heat pump unit (2), and the solar PV/T assembly (1) is connected with the air source heat pump unit (2) through a heat-supplementing heat-accumulating circulating pump (B1) to form a circulating solar heat-supplementing unit.
2. The solar electricity and heat supplementing frostless air source heat pump heat supply system according to claim 1, further comprising a second solar heat storage unit, wherein the second solar heat storage unit comprises a solar PV/T assembly (1) and a heat accumulator (3), and the solar PV/T assembly (1) is connected with the heat accumulator (3) through a heat supplementing heat storage circulating pump (B1) to form a circulating heat storage unit.
3. The solar electricity and heat supplementing frostless air source heat pump heating system according to claim 1 or 2, further comprising an air source heat pump source side waste heat supplementing unit IV, wherein the air source heat pump source side waste heat supplementing unit IV comprises the air source heat pump unit (2) and a waste heat exchanger (4), and the air source heat pump unit (2) is connected with the waste heat exchanger (4) through a heat supplementing heat storage circulating pump (B1) to form a circulating waste heat supplementing unit.
4. The solar electricity and heat supplementing frostless air source heat pump heat supply system according to claim 1 or 2, further comprising an air source heat pump source side heat accumulator heat supplementing unit five, wherein the air source heat pump source side heat accumulator heat supplementing unit five comprises the air source heat pump unit (2) and the heat accumulator (3), and the air source heat pump unit (2) is connected with the heat accumulator (3) through a heat supplementing and heat accumulating circulating pump (B1) to form a circulating heat accumulator heat supplementing unit.
5. The solar electricity and heat supplementing frostless air source heat pump heat supply system according to claim 1 or 2, further comprising an air source heat pump user side heat supply unit six, wherein the air source heat pump user side heat supply unit six comprises the air source heat pump unit (2) and the heat supply circulating pump (B2) which are connected in series and used for supplying heat to the user side.
6. The solar electricity and heat supplementing frostless air source heat pump heating system according to claim 5, further comprising an air source heat pump user side combined heat accumulator heating unit seven, wherein the air source heat pump user side combined heat accumulator heating unit seven comprises a heat supply circulating pump (B2), the air source heat pump unit (2) and the heat accumulator (3), the air source heat pump unit (2) is connected with the heat supply circulating pump (B2) in series through a first line, the air source heat pump unit (2) is connected to the user side through a second line, the heat accumulator (3) is connected with the second line in a circulating manner through an inlet and outlet line, one of the inlet and outlet lines is connected with the first line through a parallel line, and the parallel line, the inlet and outlet line and the first line and the second line are respectively provided with a valve X (F10), a valve XI (F11), a valve XII (F12), a valve i (F13) and a valve ii (F14) for controlling the parallel connection or operation of the air source heat pump unit (2) and the heat accumulator (3).
7. The solar electricity and heat supplementing frostless air source heat pump heat supply system according to claim 6, further comprising an air source heat pump user side heat accumulator heat supply unit eight, wherein the air source heat pump user side heat accumulator heat supply unit eight comprises the heat supplementing heat storage circulating pump (B1) and the heat accumulator (3), and the heat supplementing heat storage circulating pump (B1) is connected with the heat accumulator (3) in series through the parallel circuit and the inlet and outlet circuit and is used for releasing stored heat to supply heat to a user side.
8. The solar electricity and heat supplementing frostless air source heat pump heat supply system according to claim 1 or 2 or 6 or 7, further comprising a waste heat storage unit nine, wherein the waste heat storage unit nine comprises a heat accumulator (3), a heat supplementing and heat storage circulating pump (B1) and a waste heat exchanger (4), the heat accumulator (3), the heat supplementing and heat storage circulating pump (B1) and the waste heat exchanger (4) are connected into a circulating waste heat storage unit through lines, a valve VIII (F8) is arranged on a line between the heat accumulator (3) and the heat supplementing and heat storage circulating pump (B1), and a valve III (F3) and a valve IX (F9) are arranged on a line between the heat supplementing and heat storage circulating pump (B1) and the waste heat exchanger (4).
9. The solar energy electricity and heat supplementing frostless air source heat pump heat supply system according to claim 8, wherein a valve VI (F6) is arranged on a connecting line between the air source heat pump unit (2) and the heat accumulator (3); a valve iii (F15) is also arranged on a connecting line between the heat supplementing and accumulating circulating pump (B1) and the heat accumulator (3); a valve II (F2) and a valve V (F5) are arranged on a connecting line between the air source heat pump unit (2) and the solar PV/T assembly (1); a valve I (F1) is arranged on a connecting line between the solar PV/T assembly (1) and the heat-supplementing and heat-storing circulating pump (B1), a valve IV (F4) is arranged on a connecting line between the heat-supplementing and heat-storing circulating pump (B1) and the air source heat pump unit (2), and a valve VII (F7) is arranged on a connecting line between the heat-supplementing and heat-storing circulating pump (B1) and the waste heat exchanger (4).
10. The solar energy electricity and heat supplementing frostless air source heat pump heating system according to claim 1 or 2 or 6 or 7 or 9, wherein the off-grid power distribution assembly (5) comprises a storage battery (D2), a controller (D1) and an inverter (D3) which are connected in series.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202323408546.4U CN221801912U (en) | 2023-12-14 | 2023-12-14 | Solar energy electricity and heat supplementing frostless air source heat pump heating system |
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| CN202323408546.4U CN221801912U (en) | 2023-12-14 | 2023-12-14 | Solar energy electricity and heat supplementing frostless air source heat pump heating system |
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