CN219063582U - Heat supply unit utilizing water pump-water turbine - Google Patents
Heat supply unit utilizing water pump-water turbine Download PDFInfo
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- CN219063582U CN219063582U CN202320001964.2U CN202320001964U CN219063582U CN 219063582 U CN219063582 U CN 219063582U CN 202320001964 U CN202320001964 U CN 202320001964U CN 219063582 U CN219063582 U CN 219063582U
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Abstract
The utility model relates to a heat supply unit utilizing a water pump-water turbine, which belongs to the technical field of heat exchange units and particularly comprises a secondary network water return pipeline, wherein the secondary network water return pipeline is connected with a secondary network water return port of a plate heat exchanger; the utility model can eliminate the residual pressure difference at the near end of a net and adjust the balance of the net.
Description
Technical Field
The utility model relates to a heat supply unit utilizing a water pump and a water turbine, and belongs to the technical field of heat exchange units.
Background
The primary network management line of the large and medium-sized central heating system is long in laying distance, the primary network circulation system is in a heat source centralized pump setting mode, the heat supply area is large, the span between the heat exchange stations is large, in order to meet the requirement of the primary network of the farthest-end heat exchange station, the hydraulic pressure diagram of the heat supply network system is in trapezoid distribution, namely, the larger the residual pressure of a user close to the heat source is, the residual pressure is generally consumed by impedance devices such as a pressure reducing valve, a flow control valve and a pressure difference valve, so that the primary network circulation flow of the near-end heat exchange station exceeds a rated value, the circulation kinetic energy provided by the heat source to the near-end heat exchange station is wasted, and the effect of throttling balance is poor and the running energy consumption is increased. Therefore, in order to solve the problems of unbalance of the primary net and overheating of the near end, and recover the residual pressure head of the near end primary net, the operation energy consumption is reduced, and a heat supply unit utilizing a water pump-water turbine is provided.
Disclosure of Invention
In order to solve the technical problems in the prior art, the utility model provides a heating unit utilizing a water pump and a water turbine, which is used for eliminating the residual pressure difference at the near end of a net and adjusting the balance of the net.
In order to achieve the above purpose, the technical scheme adopted by the utility model is a heat supply unit utilizing a water pump-water turbine, which comprises a primary network water supply pipeline, a primary network water return pipeline, a secondary network water supply pipeline and a plate heat exchanger, wherein the secondary network water return pipeline is connected with a secondary network water return port of the plate heat exchanger, the secondary network water supply port of the plate heat exchanger is connected with the water pump-water turbine unit, the secondary network water supply port of the water pump-water turbine unit is connected with the secondary network water supply pipeline, the primary network water return port of the plate heat exchanger is connected with the primary network water return pipeline, the primary network water supply port of the plate heat exchanger is connected with the water pump-water turbine unit, and the primary network water supply port of the water pump-water turbine unit is connected with the primary network water supply pipeline;
the water pump-water turbine unit comprises a water pump, a water turbine and a driving motor, a water inlet of the water pump is connected with a secondary network water supply port of the plate heat exchanger, a water outlet of the water pump is connected with a secondary network water supply pipeline, a water inlet of the water turbine is connected with a primary network water supply pipeline, a water outlet of the water pump is connected with a primary network water supply port of the plate heat exchanger, a central shaft of the water turbine is connected with a central shaft of the water pump through a first coupling, and a central shaft of the water pump is also connected with an input shaft of the driving motor through a second coupling.
Preferably, a primary net compensation secondary net pipe is further installed between the secondary net water return pipeline and the primary net water return pipeline, and a fifth ball valve, a third Y-shaped filter, a pressure reducing valve and a sixth ball valve are installed on the primary net compensation secondary net pipe along the water flow direction.
Preferably, the primary net water supply pipeline is provided with a first ball valve and a first Y-shaped filter sequentially according to the water flow direction, and the primary net water return pipeline is provided with a second ball valve.
Preferably, the secondary net water return pipeline is provided with a third ball valve and a second Y-shaped filter in sequence according to the water flow direction, and the secondary net water supply pipeline is provided with a fourth ball valve.
Compared with the prior art, the utility model has the following technical effects.
1. The hydraulic turbine drives the two-net circulating pump system, the insufficient power is supplemented by the motor, the hydraulic turbine, the water pump and the motor can be used as integral equipment, the structure is compact, and the limited space of the heat exchange station is convenient to set.
2. The water turbine has the functions of eliminating residual pressure difference at the near end of the first net, adjusting the balance of the first net, reducing the consumption of electric energy by the two-net circulating pump, realizing the reutilization of energy and saving energy.
3. The water turbine and the motor can be mutually standby, and the distribution load level can be reduced from the secondary load to the tertiary load, so that the primary investment and the engineering difficulty are reduced.
In conclusion, the utility model ensures that the requirements of eliminating the near-end residual pressure by the first net and adjusting the balance of the first net are simultaneously met, the electric energy consumed by the two-net circulating pump is reduced, the reutilization of energy is realized, and the water turbine is a mechanical part, so that the service life of the device is long compared with that of the motor, and the maintenance quantity is reduced. The heat exchange unit has the advantages of simple structure, small occupied area, high operation safety, low initial investment and low operation cost.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1, a heat supply unit utilizing a water pump-water turbine comprises a primary network water supply pipeline 1, a primary network water return pipeline 2, a secondary network water return pipeline 3, a secondary network water supply pipeline 4 and a plate heat exchanger 6, wherein the secondary network water return pipeline 3 is connected with a secondary network water return port of the plate heat exchanger 6, the secondary network water supply port of the plate heat exchanger 6 is connected with a water pump-water turbine unit 7, the secondary network water supply port of the water pump-water turbine unit 7 is connected with the secondary network water supply pipeline 4, a primary network water return port of the plate heat exchanger 6 is connected with a primary network water return pipeline 2, and a primary network water supply port of the plate heat exchanger 6 is connected with the water pump-water turbine unit 7, and the primary network water supply port of the water pump-water turbine unit 7 is connected with the primary network water supply pipeline 1; the water pump-water turbine unit 7 comprises a water pump 14, a water turbine 10 and a driving motor 21, wherein a water inlet of the water pump 14 is connected with a secondary network water supply port of the plate heat exchanger 6, a water outlet of the water pump 14 is connected with a secondary network water supply pipeline 4, a water inlet of the water turbine 10 is connected with a primary network water supply pipeline 1, a water outlet is connected with a primary network water supply port of the plate heat exchanger 6, a central shaft of the water turbine 10 is connected with a central shaft of the water pump 14 through a first coupling 20, and the central shaft of the water pump 14 is also connected with an input shaft of the driving motor 21 through a second coupling 22.
In the utility model, a primary net compensation secondary net pipe 5 is also arranged between a secondary net water return pipeline 3 and a primary net water return pipeline 2, and a fifth ball valve 16, a third Y-shaped filter 17, a pressure reducing valve 18 and a sixth ball valve 19 are arranged on the primary net compensation secondary net pipe 5 along the water flow direction. The primary net water supply pipeline 1 is provided with a first ball valve 8 and a first Y-shaped filter 9 in sequence according to the water flow direction, and the primary net water return pipeline 2 is provided with a second ball valve 11. The secondary net water return pipeline 3 is sequentially provided with a third ball valve 12 and a second Y-shaped filter 13 according to the water flow direction, and the secondary net water supply pipeline 4 is provided with a fourth ball valve 15. The water turbine 10 and the driving motor 21 can drive the water pump 14, the water turbine 10 is preferably adopted to drive the water pump 14, and when the kinetic energy provided by the water turbine 10 can not meet the running requirement of the water pump 14, the driving motor 21 is started again for supplementing. The water pump 14 can be installed on a water supply pipeline or a water return pipeline, the water pump 14 can be connected in parallel, the plate heat exchanger 6 can be connected in series, or in parallel, or even in parallel after being connected in series.
The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (4)
1. The utility model provides an utilize heat supply unit of water pump-hydraulic turbine, includes a net supply channel, a net return water pipeline, secondary net supply channel and plate heat exchanger, its characterized in that: the secondary net water return pipeline is connected with a secondary net water return port of the plate heat exchanger, a secondary net water supply port of the plate heat exchanger is connected with a water pump-water turbine unit, a secondary net water supply port of the water pump-water turbine unit is connected with a secondary net water supply pipeline, a primary net water return port of the plate heat exchanger is connected with a primary net water return pipeline, a primary net water supply port of the plate heat exchanger is connected with a water pump-water turbine unit, and a primary net water supply port of the water pump-water turbine unit is connected with a primary net water supply pipeline;
the water pump-water turbine unit comprises a water pump, a water turbine and a driving motor, a water inlet of the water pump is connected with a secondary network water supply port of the plate heat exchanger, a water outlet of the water pump is connected with a secondary network water supply pipeline, a water inlet of the water turbine is connected with a primary network water supply pipeline, a water outlet of the water pump is connected with a primary network water supply port of the plate heat exchanger, a central shaft of the water turbine is connected with a central shaft of the water pump through a first coupling, and a central shaft of the water pump is also connected with an input shaft of the driving motor through a second coupling.
2. A heating unit using a water pump-turbine as claimed in claim 1, wherein: a primary net compensation secondary net pipe is further arranged between the secondary net water return pipeline and the primary net water return pipeline, and a fifth ball valve, a third Y-shaped filter, a pressure reducing valve and a sixth ball valve are arranged on the primary net compensation secondary net pipe along the water flow direction.
3. A heating unit using a water pump-turbine as claimed in claim 1, wherein: the primary net water supply pipeline is sequentially provided with a first ball valve and a first Y-shaped filter according to the water flow direction, and the primary net water return pipeline is provided with a second ball valve.
4. A heating unit using a water pump-turbine as claimed in claim 1, wherein: the secondary net water return pipeline is provided with a third ball valve and a second Y-shaped filter in sequence according to the water flow direction, and the secondary net water supply pipeline is provided with a fourth ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320001964.2U CN219063582U (en) | 2023-01-03 | 2023-01-03 | Heat supply unit utilizing water pump-water turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320001964.2U CN219063582U (en) | 2023-01-03 | 2023-01-03 | Heat supply unit utilizing water pump-water turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219063582U true CN219063582U (en) | 2023-05-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320001964.2U Active CN219063582U (en) | 2023-01-03 | 2023-01-03 | Heat supply unit utilizing water pump-water turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219063582U (en) |
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2023
- 2023-01-03 CN CN202320001964.2U patent/CN219063582U/en active Active
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