CN218936468U - Sewage source heat pump composite energy supply system - Google Patents
Sewage source heat pump composite energy supply system Download PDFInfo
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- CN218936468U CN218936468U CN202223524666.6U CN202223524666U CN218936468U CN 218936468 U CN218936468 U CN 218936468U CN 202223524666 U CN202223524666 U CN 202223524666U CN 218936468 U CN218936468 U CN 218936468U
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Abstract
The utility model provides a sewage source heat pump composite energy supply system which comprises a first sewage heat exchanger, a second sewage heat exchanger, a first heat pump, a second heat pump and a heat preservation water tank, wherein one side of the first sewage heat exchanger is connected with the first heat pump, the other side of the first sewage heat exchanger is connected with the second sewage heat exchanger, the second sewage heat exchanger is connected with one side of the heat preservation water tank, the first heat pump and the second heat pump are respectively connected with the other side of the heat preservation water tank, the first heat pump is connected with a user side, the second heat pump is connected with the user side, the first heat pump comprises a first condenser and a first evaporator, and the second heat pump comprises a second condenser and a second evaporator. The first heat pump can independently refrigerate or heat or is introduced into the second heat pump, and the refrigerating or heating effect is improved through the heat preservation water tank and the second sewage heat exchanger.
Description
Technical Field
The utility model relates to the field of sewage utilization, in particular to a sewage source heat pump composite energy supply system.
Background
At present, a large amount of urban sewage exists in the large and medium cities of the whole country, most of the urban sewage is treated into reclaimed water by a sewage treatment plant and then is utilized, but the heat is not utilized. Urban sewage is a renewable resource containing abundant low-level heat energy, and has the following characteristics: 1. the sewage source flow is large and stable; 2. the temperature of the sewage is warm in winter and cool in summer; 3. the distribution of urban sewage is positively correlated with population and urban industrialization.
The heat in the urban sewage is recovered by utilizing the sewage source heat pump, so that the urban waste heat emission can be reduced. The sewage source heat pump is divided into a direct sewage source heat pump and an indirect sewage source heat pump. The indirect sewage source heat pump refers to a heat pump low-level heat source loop and a sewage heat extraction loop, wherein an intermediate heat exchanger or a heat pump low-level heat source loop directly absorbs heat in sewage in a sewage tank through a water/sewage immersed heat exchanger. The direct sewage source heat pump is characterized in that urban sewage can be directly arranged in a sewage tank through a heat pump or an evaporator of the heat pump, and heat in the sewage is absorbed through refrigerant gasification. At present, an indirect sewage source heat pump is used as a main utilization mode. However, the existing sewage source heat pump composite energy supply system cannot meet the requirements of water outlet at different temperatures, has single energy supply function, has seasonality in operation, and causes low investment cost performance.
Disclosure of Invention
In view of the above, the utility model aims to provide a sewage source heat pump composite energy supply system which realizes multiple purposes, can be used for heating or cooling, and can provide water at different temperatures.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a compound energy supply system of sewage source heat pump, compound energy supply system of heat pump includes first sewage heat exchanger, second sewage heat exchanger, first heat pump, second heat pump and heat preservation water tank, one side and the first heat pump of first sewage heat exchanger are connected, and opposite side and second sewage heat exchanger are connected, and second sewage heat exchanger is connected with one side of heat preservation water tank, and first heat pump and second heat pump are connected with the opposite side of heat preservation water tank respectively, and first heat pump and user side are connected, and second heat pump and user side are connected, and first heat pump includes first condenser and first evaporimeter, and second heat pump includes second condenser and second evaporimeter. The sewage source heat pump composite energy supply system can provide different temperature requirements and meet different use requirements of users.
Furthermore, the first sewage heat exchanger is connected with the first heat pump through the intermediate water heat exchanger, the intermediate water heat exchanger is used for enabling intermediate water to enter and further conduct heat exchange in the intermediate water heat exchanger, heat on the sewage side is transferred to the intermediate water side, heat exchange efficiency is improved, and therefore refrigerating or heating effects of the heat pump composite energy supply system are improved.
Further, the first heat pump comprises a heat supply hot water pipeline, a heat supply return water pipeline, a first cold supply water pipeline and a second cold supply return water pipeline, the heat supply hot water pipeline and the heat supply return water pipeline are respectively connected with the user side, and the first cold supply water pipeline and the second cold supply return water pipeline are respectively connected with the user side.
Further, the heat preservation water tank comprises a fourth water tank pipeline, a third water tank pipeline, a first water tank pipeline and a second water tank pipeline, one side of the fourth water tank pipeline is connected with the heat preservation water tank, the other side of the fourth water tank pipeline is connected with the heat supply hot water pipeline, one side of the third water tank pipeline is connected with the heat preservation water tank, the other side of the third water tank pipeline is connected with the heat supply return water pipeline, one side of the first water tank pipeline is connected with the heat preservation water tank, the other side of the first water tank pipeline is connected with the second heat pump, one side of the second water tank pipeline is connected with the heat preservation water tank, and the other side of the second water tank pipeline is connected with the second heat pump.
Further, the second heat pump comprises a water supply main pipe, a first water supply pipeline, a second water supply pipeline, a water supply return pipe, a third water supply pipeline and a fourth water supply pipeline, wherein one side of the water supply main pipe is connected with the second heat pump, and the other side of the water supply main pipe is connected with the user side. One side of the first water supply pipeline is connected with the second heat pump, and the other side of the first water supply pipeline is connected with the water supply and return pipe. One side of the second water supply pipeline is connected with the second heat pump, and the other side of the second water supply pipeline is connected with the water supply main pipe. One side of the water supply and return pipe is connected with the second heat pump, and the other side is connected with the user side. One side of the third water supply pipeline is connected with the first water tank pipeline, and the other side of the third water supply pipeline is connected with the second heat pump. One side of the fourth water supply pipeline is connected with the second heat pump, and the other side of the fourth water supply pipeline is connected with the second water tank pipeline.
Further, the first sewage heat exchanger comprises a sewage inlet, a first sewage outlet, a first water outlet pipeline and a first water return pipeline, one side of the first water outlet pipeline is connected with the first sewage heat exchanger, the other side of the first water outlet pipeline is connected with the intermediate water heat exchanger, and the first water outlet pipeline is used for enabling the flowing direction of fluid to flow from the first sewage heat exchanger to the intermediate water heat exchanger. One side of the first water return pipeline is connected with the first sewage heat exchanger, the other side of the first water return pipeline is connected with the intermediate water heat exchanger, and the first water return pipeline is used for enabling the flowing direction of water to flow from the intermediate water heat exchanger to the first sewage heat exchanger. The sewage inlet is used for enabling sewage in the sewage pool to flow to the first sewage heat exchanger, and the first sewage outlet is used for enabling water in the first sewage heat exchanger to flow back to the sewage pool.
Further, the intermediate water heat exchanger comprises an intermediate water outlet pipeline and an intermediate water return pipeline, one side of the intermediate water outlet pipeline is connected with the intermediate water heat exchanger, the other side of the intermediate water outlet pipeline is connected with the first heat pump, and the intermediate water outlet pipeline is used for enabling the flowing direction of fluid to flow from the intermediate water heat exchanger to the first heat pump. One side of the intermediate water return pipeline is connected with the intermediate water heat exchanger, the other side of the intermediate water return pipeline is connected with the first heat pump, and the intermediate water outlet pipeline is used for enabling the flowing direction of fluid to flow from the first heat pump to the intermediate water heat exchanger.
Further, the second sewage heat exchanger comprises a sewage outlet bypass pipeline, a second sewage outlet, a second water outlet pipeline and a second water return pipeline. One side of the second water outlet pipeline is connected with the second sewage heat exchanger, and the other side of the second water outlet pipeline is connected with the heat preservation water tank. The second water outlet pipeline is used for enabling the flowing direction of the fluid to flow from the second sewage heat exchanger to the heat preservation water tank. One side of the second water return pipeline is connected with the second sewage heat exchanger, and the other side of the second water return pipeline is connected with the heat preservation water tank. The second water return pipeline is used for enabling the flowing direction of the fluid to flow from the heat preservation water tank to the second sewage heat exchanger.
Further, the first water tank pipeline is provided with a first circulating water pump, and the third water tank pipeline is provided with a second circulating water pump. The first circulating water pump is used for enabling fluid to flow from the heat preservation water tank to the second heat pump to provide power.
The second circulating water pump is used for enabling fluid to flow from the heat preservation water tank to the heat supply and return water pipeline to provide power.
Compared with the prior art, the sewage source heat pump composite energy supply system has the following advantages:
(1) The cascade heating or cooling is realized through the combination among each heat exchanger, the heat pump and the heat preservation water tank, the operation efficiency is high, and the different temperature requirements of users can be met;
(2) The sewage source heat pump composite energy supply system has high utilization coefficient, can run throughout the year, can realize heat supply in winter, and transfers the heat of the sewage pool to a user side by utilizing the heat of the sewage pool through gradual heat exchange. In summer, the heat of a user can be absorbed and transferred to the sewage pool, and the heat dissipation is realized by utilizing the sewage pool, so that the cooling of the whole system is realized.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
fig. 1 is a flowchart of a fan blade fault detection method according to an embodiment of the present utility model.
Reference numerals illustrate:
1. a first sewage heat exchanger; 2. an intermediate water heat exchanger; 3. a first heat pump; 4. a second heat pump; 5. a heat preservation water tank; 6. a second sewage heat exchanger; 7. a first water outlet pump; 8. an intermediate water pump; 9. a second water outlet pump; 10. a first circulating water pump; 11. a third circulating water pump; 12. a sewage inlet; 13. a first sewage outlet; 14. a sewage outlet bypass line; 15. a second sewage outlet; 16. a second water return line; 17. a second water outlet pipeline; 18. a first tank line; 19. a second tank line; 20. a first water outlet pipeline; 21. a first water return line; 22. an intermediate water outlet pipeline; 23. an intermediate water return line; 24. a hot water supply pipeline; 25. a heat supply and water return pipeline; 26. a first cold water supply line; 27. a second cold supply and return pipeline; 28. a water supply main pipe; 29. a water supply and return pipe; 30. a third tank line; 31. a fourth tank line; 32. a second circulating water pump; 33. a first water supply line; 34. a second water supply line; 35. a first condenser; 36. a first evaporator; 37. a second condenser; 38. a second evaporator; 39. a third water supply line; 40. and a fourth water supply line.
Detailed Description
The utility model is further described below in conjunction with the detailed description. It should be noted that the data in the following examples are obtained by the inventors through a lot of experiments, and are only shown in some of the descriptions, and those skilled in the art can understand and practice the present utility model under the data. These examples are only for illustrating the present utility model and are not intended to limit the scope of the present utility model. Further, it should be understood that after reading the present disclosure, those skilled in the art may make various changes or modifications to the present disclosure, which also fall within the scope of the present disclosure.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
The sewage source heat pump composite energy supply system as shown in fig. 1 comprises a first sewage heat exchanger 1, a second sewage heat exchanger 6, a first heat pump 3, a second heat pump 4 and a heat preservation water tank 5, wherein one side of the first sewage heat exchanger 1 is connected with the first heat pump 3, the other side of the first sewage heat exchanger 1 is connected with the second sewage heat exchanger 6, one side of the second sewage heat exchanger 6 is connected with one side of the heat preservation water tank 5, the first heat pump 3 and the second heat pump 4 are respectively connected with the other side of the heat preservation water tank 5, the first heat pump 3 is connected with a user side, the second heat pump 4 is connected with the user side, the first heat pump 3 comprises a first condenser 35 and a first evaporator 36, and the second heat pump 4 comprises a second condenser 37 and a second evaporator 38. The sewage source heat pump composite energy supply system can provide different temperature requirements and meet different use requirements of users. For example, during heating, the heat of the sewage in the sewage tank after heat exchange by the first sewage heat exchanger 1 can be directly and independently supplied to a user through the first heat pump 3, or can be conveyed to the heat preservation water tank 5 after passing through the first heat pump 3, and the heat of the sewage in the sewage tank after heat exchange by the second sewage heat exchanger 6 is combined and then supplied to the user through the second heat pump 4, so that the heating temperature is increased.
The sewage is sewage obtained after being discharged and treated to a certain degree, and impurities are not contained in the sewage, so that the sewage source heat pump composite energy supply system is prevented from being blocked or damaged in the using process.
Further, the first sewage heat exchanger 1 and the first heat pump 3 are connected through the intermediate water heat exchanger 2, the intermediate water heat exchanger 2 is used for further heat exchange, and the heat exchange efficiency is improved, so that the refrigerating or heating effect of the heat pump composite energy supply system is improved, and heat is transferred to the first heat pump 3. Through setting up the combination of a plurality of heat exchangers, realize step intensification or cooling.
In the present utility model, the types of the first sewage heat exchanger 1, the intermediate water heat exchanger 2 and the second sewage heat exchanger 6 are not particularly limited, and the first sewage heat exchanger 1, the intermediate water heat exchanger 2 and the second sewage heat exchanger 6 may be any one of a coil type heat exchanger, a double pipe type heat exchanger and a shell-and-tube type heat exchanger. The types of the first heat pump 3 and the second heat pump 4 in the present utility model are not particularly limited. Preferably, the first heat pump 3 and the second heat pump 4 are electric compression type water source heat pumps, and have the advantages of high efficiency, compact structure, convenient arrangement, no influence of the environmental temperature in winter, flexible adjustment and the like, and the electric heat pump has low evaporation temperature, so that the sewage waste heat which is low in grade and difficult to recycle can be fully recycled.
In the utility model, the quantity and the power of the heat pump input are determined according to the heat load and the heating and cooling demands. The input quantity and power of the sewage heat exchanger and the intermediate water heat exchanger 2 are determined according to the heat load, the energy supply requirement and the site condition.
Further, the first heat pump 3 includes a hot water supply pipeline 24, a hot water return pipeline 25, a first cold water supply pipeline 26 and a second cold water supply return pipeline 27, where the hot water supply pipeline 24 and the hot water return pipeline 25 are respectively connected with the user end and are used to make the first heat pump 3, the hot water supply pipeline 24, the user end and the hot water return pipeline 25 form a loop, and the first cold water supply pipeline 26 and the second cold water supply return pipeline 27 are respectively connected with the user end and are used to make the first heat pump 3, the first cold water supply pipeline 26, the user end and the second cold water supply return pipeline 27 form a loop.
The holding tank 5 includes a fourth tank line 31, a third tank line 30, a first tank line 18, and a second tank line 19. One side of the fourth water tank pipeline 31 is connected with the heat preservation water tank 5, and the other side is connected with the hot water supply pipeline 24. One side of the third water tank pipeline 30 is connected with the heat preservation water tank 5, and the other side is connected with the heat supply and water return pipeline 25. One side of the first water tank pipeline 18 is connected with the heat preservation water tank 5, and the other side is connected with the second heat pump 4. One side of the second water tank pipeline 19 is connected with the heat preservation water tank 5, and the other side is connected with the second heat pump 4.
The second heat pump 4 includes a water supply main 28, a first water supply line 33, a second water supply line 34, a water supply return line 29, a third water supply line 39, and a fourth water supply line 40. The water supply main 28 is connected to the second heat pump 4 on one side and to the user side on the other side. One side of the first water supply line 33 is connected to the second heat pump 4, and the other side is connected to the water supply return line 29. The second water supply line 34 is connected to the second heat pump 4 on one side and to the water supply main 28 on the other side. One side of the water supply and return pipe 29 is connected to the second heat pump 4, and the other side is connected to the user side. The third water supply line 39 is connected to the first tank line 18 on one side and to the second heat pump 4 on the other side. The fourth water supply line 40 is connected to the second heat pump 4 on one side and to the second tank line 19 on the other side.
The first sewage heat exchanger 1 comprises a sewage inlet 12, a first sewage outlet 13, a first water outlet pipeline 20 and a first water return pipeline 21, one side of the first water outlet pipeline 20 is connected with the first sewage heat exchanger 1, the other side of the first water outlet pipeline 20 is connected with the intermediate water heat exchanger 2, and the first water outlet pipeline 20 is used for enabling the flowing direction of fluid to flow from the first sewage heat exchanger 1 to the intermediate water heat exchanger 2. One side of the first water return line 21 is connected to the first sewage heat exchanger 1, the other side is connected to the intermediate water heat exchanger 2, and the first water return line 21 is used for allowing the flow direction of water to flow from the intermediate water heat exchanger 2 to the first sewage heat exchanger 1. The sewage inlet 12 is for letting sewage of the sewage tank flow to the first sewage heat exchanger 1, and the first sewage outlet 13 is for letting water of the first sewage heat exchanger 1 flow back to the sewage tank.
The intermediate water heat exchanger 2 comprises an intermediate water outlet pipeline 22 and an intermediate water return pipeline 23, one side of the intermediate water outlet pipeline 22 is connected with the intermediate water heat exchanger 2, the other side is connected with the first heat pump 3, and the intermediate water outlet pipeline 22 is used for enabling the flowing direction of fluid to flow from the intermediate water heat exchanger 2 to the first heat pump 3. The intermediate water return line 23 is connected to the intermediate water heat exchanger 2 on one side and to the first heat pump 3 on the other side, and the intermediate water outlet line 22 is configured to allow the fluid to flow from the first heat pump 3 to the intermediate water heat exchanger 2.
The second sewage heat exchanger 6 comprises a sewage outlet bypass line 14, a second sewage outlet 15, a second water outlet line 17 and a second water return line 16. One side of the second water outlet pipeline 17 is connected with the second sewage heat exchanger 6, and the other side is connected with the heat preservation water tank 5. The second water outlet line 17 is used for leading the flow direction of the fluid from the second sewage heat exchanger 6 to the holding tank 5. One side of the second water return pipeline 16 is connected with the second sewage heat exchanger 6, and the other side is connected with the heat preservation water tank 5. The second return line 16 is used to direct the flow of fluid from the holding tank 5 to the second waste heat exchanger 6.
Further, the first water outlet pipeline 20 is provided with a first water outlet pump 7, and the first water outlet pump 7 is used for providing power for fluid flowing from the first sewage heat exchanger 1 to the intermediate water heat exchanger 2.
Further, the intermediate water outlet pipeline 22 is provided with an intermediate water pump 8, and the intermediate water pump 8 is used for providing power for fluid flowing from the intermediate water heat exchanger 2 to the first heat pump 3.
Further, the second water outlet pipeline 17 is provided with a second water outlet pump 9, and the second water outlet pump 9 is used for providing power for fluid flowing from the second sewage heat exchanger 6 to the heat preservation water tank 5.
Further, the first water tank pipeline 18 is provided with a first circulating water pump 10, and the first circulating water pump 10 is used for enabling fluid to flow from the heat preservation water tank 5 to the second heat pump 4 to provide power.
Further, the third water tank pipeline 30 is provided with a second circulating water pump 32, and the second circulating water pump 32 is used for enabling fluid to flow from the heat preservation water tank 5 to the hot water supply and return pipeline 25 to supply power.
Further, the water supply and return pipe 29 is provided with a third circulating water pump 11, and the third circulating water pump 11 is used for providing power for the flow of fluid in the water supply and return pipe 29.
When the sewage source heat pump composite energy supply system is used for heating, sewage in the sewage tank firstly enters the first sewage heat exchanger 1 through the sewage inlet 12 and is subjected to heat exchange with a medium to release heat, one part of the sewage subjected to heat exchange flows back to the sewage tank through the first sewage outlet 13, and the other part of the sewage enters the second sewage heat exchanger 6 through the sewage outlet bypass pipeline 14 to continue heat exchange, so that the heat is fully released and flows back to the sewage tank through the second sewage outlet 15.
The medium which obtains heat after heat exchange of the first sewage heat exchanger 1 enters the intermediate water heat exchanger 2 through the first water outlet pipeline 20 and exchanges heat with the incoming water of the intermediate water heat exchanger 2, and the intermediate water which completes heat exchange flows back to the first sewage heat exchanger 1 through the first water return pipeline 21.
The medium after heat exchange by the intermediate water heat exchanger 2 enters the first heat pump 3 through the intermediate water outlet pipeline 22, heat is conducted to the first evaporator 36, the heat at the side of the first evaporator 36 is finally transferred to the first condenser 35, hot water is output at the side of the first condenser 35 and flows out through the hot water supply pipeline 24, and the medium after heat conduction flows back to the intermediate water heat exchanger 2 through the intermediate water return pipeline 23. The hot water flowing through the hot water supply line 24 may be directly supplied to the user side to provide a heating effect to the user, and then returned to the first heat pump 3 through the hot water supply and return line 25.
Or the hot water flowing through the hot water supply line 24 enters the holding tank 5 through the fourth tank line 31 as low temperature heat of the second heat pump 4. At the same time, the medium entering the second sewage heat exchanger 6 to complete heat exchange to obtain heat also enters the heat preservation water tank 5 through the second water outlet pipeline 17 and is mixed with the hot water from the hot water supply pipeline 24 to form hot water with higher temperature. After entering the heat preservation water tank 5, hot water enters the second evaporator 38 through the first circulating water pump 10 and the third water supply pipeline 39, heat is conducted to the second evaporator 38, the hot water after heat conduction is cooled down into cold water, the cold water flows back to the heat preservation water tank 5 through the second water tank pipeline 19, and then flows back to the heat supply and return water pipeline 25 through the third water tank pipeline 30. The second condenser 37 absorbs the heat of the second evaporator 38 to make the water in the second heat pump 4 form hot water, and the hot water flows out to the user side through the water supply main 28 to provide heat for the user. The water flowing out from the user side flows back to the second heat pump 4 through the third circulating water pump 11 and the first water supply line 33.
When refrigeration is required, heat on the user side is transferred to the first heat pump 3 through the second cold supply and return line 27 and returned through the first cold supply and supply line 26. The first condenser 35 sequentially transfers the heat of the user side to the intermediate water heat exchanger 2 and the first sewage heat exchanger 1 for gradual heat exchange and cooling, the heat of the user side is transferred to the sewage pool step by step, and the high-capacity sewage pool is utilized for dissipation and cooling. The first evaporator 36 supplies cooling to the outside.
When the demand for refrigeration is relatively large, heat at the user side is transferred to the second heat pump 4 through the water supply return pipe 29, and returned through the second water supply pipe 34, the water supply main 28, and the user side. The second evaporator 38 cools the outside, and the second condenser 37 transfers heat from the user side to the heat-preserving water tank 5 through the fourth water supply line 40 to raise the temperature of the water in the heat-preserving water tank 5 and returns the water to the second heat pump 4 through the first water tank line 18. The hot water in the heat preservation water tank 5 exchanges heat through the second sewage heat exchanger 6, and heat is transferred to the sewage pool through the second sewage heat exchanger 6. Meanwhile, hot water in the heat preservation water tank 5 enters the first heat pump 3 through the third water tank pipeline 30 and the heat supply and return pipeline 25, heat from the heat preservation water tank 5 is transferred to the intermediate water heat exchanger 2 and the first sewage heat exchanger 1 to be subjected to gradual heat exchange and temperature reduction, heat at the user side is transferred to the sewage pool step by step, and the high-capacity sewage pool is utilized for dissipation and temperature reduction.
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 (9)
1. The utility model provides a compound energy supply system of sewage source heat pump, its characterized in that, compound energy supply system of heat pump includes first sewage heat exchanger (1), second sewage heat exchanger (6), first heat pump (3), second heat pump (4) and heat preservation water tank (5), one side and first heat pump (3) of first sewage heat exchanger (1) are connected, another survey is connected with second sewage heat exchanger (6), one side of second sewage heat exchanger (6) and heat preservation water tank (5) is connected, first heat pump (3) and second heat pump (4) are connected with the opposite side of heat preservation water tank (5) respectively, first heat pump (3) are connected with the user side, second heat pump (4) are connected with the user side, first heat pump (3) are including first condenser (35) and first evaporimeter (36), second heat pump (4) are including second condenser (37) and second evaporimeter (38).
2. The sewage source heat pump composite energy supply system according to claim 1, wherein the first sewage heat exchanger (1) and the first heat pump (3) are connected through an intermediate water heat exchanger (2), and the intermediate water heat exchanger (2) is used for allowing intermediate water to enter and heat exchange to occur inside the intermediate water heat exchanger (2).
3. The sewage source heat pump composite energy supply system according to claim 1, wherein the first heat pump (3) comprises a hot water supply pipeline (24), a hot water return pipeline (25), a first cold water supply pipeline (26) and a second cold water return pipeline (27), the hot water supply pipeline (24) and the hot water return pipeline (25) are respectively connected with a user side, and the first cold water supply pipeline (26) and the second cold water return pipeline (27) are respectively connected with the user side.
4. A sewage source heat pump composite energy supply system according to claim 3, characterized in that the heat preservation water tank (5) comprises a fourth water tank pipeline (31), a third water tank pipeline (30), a first water tank pipeline (18) and a second water tank pipeline (19), one side of the fourth water tank pipeline (31) is connected with the heat preservation water tank (5), the other side is connected with the heat supply hot water pipeline (24), one side of the third water tank pipeline (30) is connected with the heat preservation water tank (5), the other side is connected with the heat supply return water pipeline (25), one side of the first water tank pipeline (18) is connected with the heat preservation water tank (5), the other side is connected with the second heat pump (4), one side of the second water tank pipeline (19) is connected with the heat preservation water tank (5), and the other side is connected with the second heat pump (4).
5. The sewage source heat pump composite energy supply system according to claim 1, wherein the second heat pump (4) comprises a water supply main (28), a first water supply pipeline (33), a second water supply pipeline (34), a water supply return pipe (29), a third water supply pipeline (39) and a fourth water supply pipeline (40), one side of the water supply main (28) is connected with the second heat pump (4), the other side is connected with a user end, one side of the first water supply pipeline (33) is connected with the second heat pump (4), the other side is connected with the water supply return pipe (29), one side of the second water supply pipeline (34) is connected with the second heat pump (4), the other side is connected with the water supply main (28), one side of the water supply return pipe (29) is connected with the second heat pump (4), the other side is connected with the first water tank pipeline (18), one side of the fourth water supply pipeline (40) is connected with the second heat pump (4), and the other side is connected with the second water tank (19) for enabling the fluid to flow from the second heat pump (4) to flow outside.
6. The sewage source heat pump composite energy supply system according to claim 1, wherein the first sewage heat exchanger (1) comprises a sewage inlet (12), a first sewage outlet (13), a first water outlet pipeline (20) and a first water return pipeline (21), one side of the first water outlet pipeline (20) is connected with the first sewage heat exchanger (1), the other side is connected with the intermediate water heat exchanger (2), one side of the first water return pipeline (21) is connected with the first sewage heat exchanger (1), the other side is connected with the intermediate water heat exchanger (2), the sewage inlet (12) is used for enabling sewage of a sewage pool to flow to the first sewage heat exchanger (1), and the first sewage outlet (13) is used for enabling water of the first sewage heat exchanger (1) to flow back to the sewage pool.
7. The sewage source heat pump composite energy supply system according to claim 2, wherein the intermediate water heat exchanger (2) comprises an intermediate water outlet pipeline (22) and an intermediate water return pipeline (23), one side of the intermediate water outlet pipeline (22) is connected with the intermediate water heat exchanger (2), the other side is connected with the first heat pump (3), one side of the intermediate water return pipeline (23) is connected with the intermediate water heat exchanger (2), and the other side is connected with the first heat pump (3).
8. The sewage source heat pump composite energy supply system according to claim 1, wherein the second sewage heat exchanger (6) comprises a sewage outlet bypass pipeline (14), a second sewage outlet (15), a second water outlet pipeline (17) and a second water return pipeline (16), one side of the second water outlet pipeline (17) is connected with the second sewage heat exchanger (6), the other side is connected with the heat preservation water tank (5), one side of the second water return pipeline (16) is connected with the second sewage heat exchanger (6), and the other side is connected with the heat preservation water tank (5).
9. The sewage source heat pump composite energy supply system according to claim 4, wherein the first water tank pipeline (18) is provided with a first circulating water pump (10), and the third water tank pipeline (30) is provided with a second circulating water pump (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223524666.6U CN218936468U (en) | 2022-12-22 | 2022-12-22 | Sewage source heat pump composite energy supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223524666.6U CN218936468U (en) | 2022-12-22 | 2022-12-22 | Sewage source heat pump composite energy supply system |
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| Publication Number | Publication Date |
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| CN218936468U true CN218936468U (en) | 2023-04-28 |
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| CN202223524666.6U Active CN218936468U (en) | 2022-12-22 | 2022-12-22 | Sewage source heat pump composite energy supply system |
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2022
- 2022-12-22 CN CN202223524666.6U patent/CN218936468U/en active Active
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