CN220828301U - Submersible water pump turbine unit structure - Google Patents
Submersible water pump turbine unit structure Download PDFInfo
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- CN220828301U CN220828301U CN202322375197.4U CN202322375197U CN220828301U CN 220828301 U CN220828301 U CN 220828301U CN 202322375197 U CN202322375197 U CN 202322375197U CN 220828301 U CN220828301 U CN 220828301U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 117
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000007774 longterm Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Hydraulic Turbines (AREA)
Abstract
The utility model relates to the technical field of submerged water pump turbines, in particular to a submerged water pump turbine unit structure which comprises a direct-flow channel and a drain pipe, wherein the direct-flow channel is arranged in the water pump turbine, the direct-flow channel is connected with the drain pipe, and the connecting end of the drain pipe and the direct-flow channel is provided with a bidirectional rotating wheel.
Description
Technical Field
The utility model relates to the technical field of submersible pump turbines, in particular to a submersible pump turbine unit structure.
Background
The submerged pump water turbine is a novel pumped storage unit, and compared with the traditional energy storage unit with a water turbine and a water pump connected in series, the submerged pump water turbine has the advantages of light weight and low manufacturing cost, and is widely applied to various fields. The pump turbine is mainly divided into three types of mixed flow type, inclined flow type and through flow type, and they are respectively applicable to different water heads and lift ranges. Among them, the mixed-flow pump turbine is most commonly used because of its wide application range. However, although submersible pump turbines have been widely used, there are still some problems that need to be improved. The existing mixed-flow water pump turbine is relatively complex in structure, complicated in installation and maintenance processes, and needs professional technicians to operate and maintain, so that the application range and popularization speed of the mixed-flow water pump turbine are limited. Meanwhile, the water pump turbine has a certain reliability problem in the long-term operation process, and parts are required to be frequently maintained and replaced, so that the maintenance cost and the downtime are increased. In order to solve the problems, the research on a novel water pump turbine with simple structure, reliable long-term operation, convenient installation and maintenance and high water head utilization rate is very important. The economy and reliability of the unit can be improved through technical improvement and innovation, more efficient water energy utilization is realized, and sustainable development is promoted.
For example, in a chinese patent with publication No. CN108678887a, the object of the present invention is to provide a co-sending and co-pumping unit arrangement structure to reduce head loss, and the technical solution of the present invention is that a co-sending and co-pumping unit arrangement structure is characterized in that: the water turbine is provided with a water pump and a water turbine positioned above the water pump, a main shaft of the water turbine is in transmission connection with a main shaft of the water pump, and a main shaft of the water turbine is connected with a main shaft of a generator; the water pump is connected with a water pump water inlet pipe and a water pump water outlet pipe, the water pump water outlet pipe is provided with a water pump ball valve, the water turbine is connected with a water turbine water inlet pipe and a water turbine water outlet pipe, and the water turbine water inlet pipe is provided with a water turbine ball valve. Although the invention reduces the head loss through complex arrangement, the installation and maintenance of the device are very complicated, and the prior problems cannot be solved.
Disclosure of utility model
Aiming at the problems in the background art, the utility model provides a submersible water pump turbine unit structure, which replaces the original volute structure and reduces head loss by improving a liquid flow passage.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a submerged pump turbine unit structure, includes, straight-flow channel and drain pipe, straight-flow channel locate inside the pump turbine, straight-flow channel connects the drain pipe, drain pipe and straight-flow channel link be equipped with two-way runner.
Preferably, the drain pipe is a conical pipe, wherein the smaller end of the cone is connected with the water pump turbine, and the drain pipe is a conical pipe, so that the water flow discharging speed can be effectively accelerated, the water energy conversion efficiency is increased, and the performance of the unit is improved.
Preferably, the water pump turbine external connection hoisting support is used for connecting the water pump turbine external connection hoisting support, so that the hoisting and the installation of the unit are facilitated, and the construction difficulty and the operation risk are reduced. The use of the hoisting support can improve the installation efficiency of the unit and save the installation time and the cost.
Preferably, the water pump turbine is provided with an inner guide shell and an outer guide shell, the inner guide shell is internally provided with a water guide bearing fixing frame, better flow field control and guide effect can be provided, the water guide bearing fixing frame can be used for stably fixing the water guide bearing, friction and vibration are reduced, and the running stability of the unit is improved.
Preferably, the direct-flow channel is arranged between the inner diversion shell and the outer diversion shell, and the arrangement of the direct-flow channel replaces the original volute structure, so that water can be more fully converted into mechanical energy, the efficiency and the utilization rate of the water pump and the water turbine are improved, the head loss is small, and the lifting strength is also sufficient.
Preferably, the water guide bearing fixing frame is connected with the water guide bearing, the water guide bearing is connected with the motor main shaft, the stable support and transmission of the water guide bearing can be realized by the connection mode, the energy loss is reduced, and the cooperative working efficiency of the motor and the water pump and the water turbine is improved.
Preferably, the straight-through type channel is in a straight-through circular ring structure, the blades of the bidirectional rotating wheel face downwards, and the straight-through type channel is in a straight-through circular ring structure, so that water flow can fully encircle and flow through the bidirectional rotating wheel, and the water energy utilization effect is improved.
Preferably, the bidirectional rotating wheel is connected with the motor main shaft, and the connection mode can reduce friction and loss in the energy transmission process and improve the energy conversion efficiency of the unit.
Compared with the prior art, the submerged water pump turbine unit structure comprises the direct-flow channel and the drain pipe, wherein the direct-flow channel is arranged in the water pump turbine, the direct-flow channel is connected with the drain pipe, and the connecting end of the drain pipe and the direct-flow channel is provided with the bidirectional rotating wheel. The arrangement of the direct-current channel, the drainage pipeline and the bidirectional rotating wheel in the submerged water pump turbine unit structure can improve the water energy conversion efficiency, reduce the water energy loss, improve the system stability of the unit, and simultaneously facilitate the installation and maintenance.
The beneficial effects of the utility model are as follows.
1. Simple structure and reliable long-term operation.
2. The field installation is convenient, and the installation and maintenance are simple and convenient.
3. The utilization rate of the water head is improved, and the output of the unit is increased
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural diagram of a straight-flow channel according to the present utility model.
Illustration of: the water pump water turbine comprises a direct-flow channel 1, a drain pipe 2, a bidirectional rotating wheel 3, a water guide bearing 4, a motor main shaft 5, a hoisting support 6, a water pump water turbine 7, an inner guide shell 1.1, an outer guide shell 1.2 and a water guide bearing fixing frame 4.1.
Detailed Description
For the purposes of clarity, technical solutions and advantages of the present disclosure, the following further details the embodiments of the present disclosure with reference to the accompanying drawings. The proportions of the various elements are not necessarily shown to scale, and the proportions and dimensions shown in the drawings should not be taken to limit the true scope of the utility model, which is not intended to obscure the disclosure with details in any way, nor limit the utility model to the specific embodiments shown.
Referring to fig. 1 and 2, in this embodiment, the submerged pump turbine unit structure includes a straight-flow channel 1 and a drain pipe 2, the straight-flow channel 1 is disposed inside a pump turbine 7, the straight-flow channel 1 is connected with the drain pipe 2, and a bidirectional rotating wheel 3 is disposed at a connection end of the drain pipe 2 and the straight-flow channel 1. The arrangement of the direct-current channel, the drainage pipeline and the bidirectional rotating wheel in the submerged water pump turbine unit structure can improve the water energy conversion efficiency, reduce the water energy loss, improve the system stability of the unit, and simultaneously facilitate the installation and maintenance.
In this embodiment, as shown in fig. 1, in order to further improve the performance of the unit, the drain pipe 2 is a tapered pipe, wherein the smaller end of the taper is connected to the water pump turbine 7, and the drain pipe is a tapered pipe, so that the discharge speed of water flow can be effectively accelerated, the conversion efficiency of water energy is increased, and the performance of the unit is improved. Meanwhile, the hoisting support 6 is arranged at the water inlet end of the water pump turbine 7, and the whole hoisting of the unit is realized by installing the hoisting support outside the water pump turbine, so that the construction difficulty and the operation risk are reduced. The use of the hoisting support can improve the installation efficiency of the unit and save the installation time and the cost.
For further optimizing the circulation and energy conversion of water flow, the water pump turbine 7 is provided with an inner guide shell 1.1 and an outer guide shell 1.2, and the inner guide shell 1.1 is internally provided with a water guide bearing fixing frame 4.1, so that better flow field control and guide effect can be provided, the water guide bearing fixing frame can be used for stably fixing the water guide bearing, friction and vibration are reduced, and the running stability of a unit is improved. The water guide bearing fixing frame 4.1 is provided with the water guide bearing 4, the water guide bearing 4 is arranged on the motor main shaft 5, the stable support and transmission of the water guide bearing can be realized by the connection mode, the energy loss is reduced, and the cooperative working efficiency of the motor and the water pump and the water turbine is improved. The straight-through circular ring structure is arranged in the straight-through type channel 1, the blades of the bidirectional rotating wheel 3 face downwards, and the straight-through type channel is designed into the straight-through circular ring structure, so that water flow can fully encircle and flow through the bidirectional rotating wheel, and the water energy utilization effect is improved.
In the embodiment, the submersible pump water turbine is novel hydraulic equipment which is suitable for being immersed in water for a long time to perform water pumping and power generation. The whole motor is arranged in a sealed box, and the outer wall of the sealed box is also an important component of the flow channel. The whole water inlet and outlet flow channel is in a straight-through circular ring shape, compared with a common volute water inlet and outlet mode, the structure is compact, the whole water pump and water turbine unit can be hung in and hung out in a limited space, and because the flow channel is in a straight-through circular ring structure, water flow can uniformly enter the rotating wheel, the along-path loss of the water flow is reduced, the utilization rate of a water head is improved, and the output of the unit is increased.
As shown in fig. 2, the straight-flow channel 1 is arranged between the inner diversion shell 1.1 and the outer diversion shell 1.2, and the arrangement of the straight-flow channel replaces the original volute structure, so that water energy can be more fully converted into mechanical energy, the efficiency and the utilization rate of the water pump and the water turbine are improved, the water head loss is small, and the lifting strength is also sufficient. The bidirectional rotating wheel 3 is arranged at the concentric position of the motor main shaft 5, and the connection mode can reduce friction and loss in the energy transmission process and improve the energy conversion efficiency of the unit.
In this embodiment, a ring of casing around the motor is used as the flow path, instead of the original volute structure. This direct channel structure has many advantages. Firstly, in the volute structure, a water inlet pipe designed into a spiral shape is needed, but the water head loss is large; in addition, if the device is required to be hoisted through the spiral water inlet pipe, the structural strength is difficult to ensure, and the device is easy to damage. However, the head loss is small and the hoisting strength is sufficient after the direct current channel structure is adopted. Therefore, the application of the utility model in the embodiment leads the performance of the unit to be more excellent.
The present utility model is not limited to the above embodiments, and any modification of the structural design provided by the present utility model, regardless of any changes in shape or material composition, should be considered as being within the scope of the present utility model.
Claims (8)
1. The submersible water pump turbine unit structure is characterized by comprising a straight-flow channel (1) and a drain pipeline (2),
The direct-flow channel (1) is arranged in the water pump turbine (7), and the direct-flow channel (1) is connected with the drain pipeline (2);
The connecting end of the drainage pipeline (2) and the direct-current channel (1) is provided with a bidirectional rotating wheel (3).
2. A submersible pump turbine assembly according to claim 1, wherein the drain pipe (2) is provided as a tapered pipe, wherein the smaller end of the taper is connected to the pump turbine (7).
3. The submersible pump turbine unit structure according to claim 2, wherein the pump turbine (7) is externally connected with the hoisting bracket (6).
4. A submersible pump turbine structure according to claim 1, 2 or 3, wherein the pump turbine (7) is provided with an inner guide shell (1.1) and an outer guide shell (1.2), and a water guide bearing fixing frame (4.1) is arranged in the inner guide shell (1.1).
5. The submersible pump turbine unit structure according to claim 4, wherein the straight-flow channel (1) is disposed between the inner shell (1.1) and the outer shell (1.2).
6. The submersible pump turbine unit structure according to claim 4, wherein the water guide bearing fixing frame (4.1) is connected with the water guide bearing (4), and the water guide bearing (4) is connected with the motor main shaft (5).
7. The submersible pump turbine unit structure according to claim 1, wherein the straight-through channel (1) is in a straight-through circular structure, and the blades of the bidirectional rotating wheel (3) face downwards.
8. The submersible pump turbine assembly according to claim 1 or 7, wherein the bidirectional rotating wheel (3) is connected with the motor main shaft (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322375197.4U CN220828301U (en) | 2023-09-01 | 2023-09-01 | Submersible water pump turbine unit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322375197.4U CN220828301U (en) | 2023-09-01 | 2023-09-01 | Submersible water pump turbine unit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220828301U true CN220828301U (en) | 2024-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322375197.4U Active CN220828301U (en) | 2023-09-01 | 2023-09-01 | Submersible water pump turbine unit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220828301U (en) |
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2023
- 2023-09-01 CN CN202322375197.4U patent/CN220828301U/en active Active
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