CN219774435U - Impeller device capable of reducing minimum liquid level height of water pump - Google Patents
Impeller device capable of reducing minimum liquid level height of water pump Download PDFInfo
- Publication number
- CN219774435U CN219774435U CN202320375580.7U CN202320375580U CN219774435U CN 219774435 U CN219774435 U CN 219774435U CN 202320375580 U CN202320375580 U CN 202320375580U CN 219774435 U CN219774435 U CN 219774435U
- Authority
- CN
- China
- Prior art keywords
- volute
- runner
- shell
- water pump
- cover plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 239000007788 liquid Substances 0.000 title claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 239000000110 cooling liquid Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to an impeller device capable of reducing the minimum liquid level height of a water pump, which comprises a shell, a motor, a volute, a shell S-shaped runner, a shell runner cover plate, a first connecting pipeline, a second connecting pipeline, a volute runner cover plate and a transmission impeller. The shell S-shaped runner is welded in the area where the shell motor of the water pump is located, a circulating cooling channel of water is formed by connecting a connecting pipeline and a volute runner, a shell runner cover plate is welded outside the shell S-shaped runner and outside the volute runner to form a closed working environment, and two threaded holes are reserved in the shell runner cover plate, one of the threaded holes is used as a water inlet, and the other threaded hole is used as a water outlet. The connecting pipeline opening is connected by a threaded opening pipeline, and the pipeline is connected with threaded holes on the casing and the volute runner cover plate of the volute, so that the whole device is connected into a whole. The device can lower the lowest liquid level elevation of the water pump from the position where the motor needs to be immersed to the position of the water pump volute.
Description
Technical Field
The utility model relates to the technical field, in particular to an impeller device capable of reducing the minimum liquid level height of a water pump.
Background
The prior art water pump motor generates a large amount of heat during operation, and the traditional method is to fully submerge the motor part in a medium to reduce the temperature, but the lowest liquid level of the water pump is high, so that the problem of bottom blockage is easily caused. In order to solve the problem, a runner is arranged outside the motor shell and the middle section of the volute, a circle of runner cover plates are welded respectively, two threaded holes are reserved on each runner cover plate, one runner cover plate is used as a water inlet hole, the other runner cover plate is used as a water outlet hole, and the two runner cover plates are connected through a connecting pipeline respectively. Two drive impellers are fixedly connected at two ends of the same shaft, one drive impeller is positioned in a volute, the other drive impeller is positioned in a volute runner, when a water pump runs, a medium in the volute quickly drives the impeller positioned in the volute, the rotation of the impeller in the volute drives the impeller coaxially positioned in the volute runner, when cooling liquid absorbs a large amount of heat generated by a paddle motor in the flowing process of the cooling liquid in an S-shaped runner of a shell, the cooling liquid flows into a water outlet pipeline from a high position to a lower water outlet through the dead weight of the cooling liquid, flows into the volute runner through the pipeline to be cooled, and finally the impeller rotates at a high speed to drive the cooling liquid to reenter the S-shaped runner of the shell from the water inlet pipeline to be cooled, so that a cooling cycle is formed.
The prior art device has the following problems in practical use:
1. the lowest liquid level of the water pump of the existing equipment needs to submerge a motor part, so that the problems of accumulation, blockage and the like are easily generated at the bottom due to the higher lowest liquid level of the water pump;
2. in the circulation process of the cooling liquid, the cooling liquid is circulated through the dead weight of the cooling liquid and the high-speed flow of the volute medium, so that the cost is reduced as much as possible while the normal and efficient operation of the water pump is ensured.
3. The single transmission impeller has lower transmission efficiency, and the operation of the whole machine is easily affected after the whole machine is damaged.
Therefore, the utility model provides an impeller device capable of reducing the minimum liquid level height of the water pump to overcome the defects in the prior art.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the impeller device capable of reducing the minimum liquid level height of the water pump, which can effectively reduce the problem of the minimum liquid level height of the water pump.
(II) technical scheme
In order to simply and effectively reduce the problem of the lowest liquid level height of the water pump, the utility model provides the following technical scheme: an impeller device capable of reducing the minimum liquid level height of a water pump comprises a shell, a motor, a volute, a shell S-shaped runner, a shell runner cover plate, a first connecting pipeline, a second connecting pipeline, a volute runner cover plate and a transmission impeller;
the S-shaped runner of the shell is fixedly arranged on the shell, and the shell runner cover plate covers the outer side of the shell-shaped runner;
the water inlet of the first connecting pipeline is connected with a threaded hole reserved at the bottom end outside the shell runner cover plate, and the water outlet of the first connecting pipeline is connected with a threaded hole reserved at the bottom end outside the volute runner cover plate; the water inlet of the second connecting pipeline is connected with a screw hole reserved at the top end outside the shell runner cover plate, and the water outlet of the second connecting pipeline is connected with a screw hole reserved at the top end outside the volute runner cover plate;
the volute runner is fixedly arranged on the volute;
the two transmission impellers are fixedly connected to two ends of the same shaft, one impeller is arranged in the volute through a reserved hole of the volute, and the other impeller is positioned in a volute runner;
the volute runner cover plate covers the outer side of the volute runner.
Preferably, the water inlet and outlet connectors of the first connecting pipeline and the second connecting pipeline are connected through threaded pipelines, so that the disassembly and the installation are convenient.
Preferably, the specific setting position and coverage area of the S-shaped runner of the shell only need to wrap the outside of the motor of the water pump, so that heat dissipation of the motor is realized.
Preferably, the specific setting range of the volute flow passage needs to wrap the middle section part of the volute of the water pump so as to ensure that the cooling liquid can reduce the temperature in the volute flow passage.
Preferably, the material of the device is determined by the medium of the water pump, so that the stable and efficient operation of the device is ensured.
(III) beneficial effects
Compared with the prior art, the impeller device capable of reducing the minimum liquid level height of the water pump has the following beneficial effects:
1. the liquid circulation device has compact structural design and small occupied space range, and is more convenient for daily maintenance and overhaul; the double-impeller design ensures more stable and efficient transmission efficiency and stable operation.
2. The double-impeller device is used for communicating cooling liquid at the volute with cooling liquid at the casing through the transmission impeller to form circulation, when the water pump operates, high temperature generated by the motor is rapidly cooled by the cooling liquid at the casing, and meanwhile, the cooling liquid at the casing and the cooling liquid at the volute form circulation through the transmission impeller, so that the temperature of the motor is always kept at a stable normal working temperature, and the double-impeller device is simple in structure and convenient to install and detach.
2. Through this impeller device reduction water pump minimum liquid level high back, can effectively reduce the height of bottom sewage to reduce the production of mud, filth, prevent to block up the water pump import, can not influence equipment normal operating, and transmission efficiency is stable high-efficient, guarantees the biggest utilization ratio and the good operation effect of water pump.
3. The S-shaped flow passage field of the shell can slow down the flow speed of liquid, so that the flow time of the liquid in the flow passage is prolonged, and the effect of cooling the motor is better achieved.
Drawings
FIG. 1 is a schematic diagram of an impeller device capable of reducing the minimum liquid level of a water pump according to the present utility model;
FIG. 2 is a top view of an impeller for reducing the minimum liquid level of a water pump according to the present utility model;
fig. 3 is a schematic diagram of an S-shaped flow channel of a casing of an impeller device capable of reducing the minimum liquid level of a water pump according to the present utility model.
In the figure: 1-a shell; 2-a shell S-shaped runner; 3-an electric motor; 4-a shell runner cover plate; 5-a first connecting pipe; a 5' -second connecting conduit; 6-volute flow passage; 7-driving an impeller; 8-a volute runner cover plate; 9-volute.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-3, an impeller device capable of reducing the minimum liquid level height of a water pump comprises a casing 1, a motor 3, a volute 9, a casing S-shaped runner 2, a casing runner cover plate 4, a first connecting pipeline 5, a second connecting pipeline 5', a volute runner 6, a volute runner cover plate 8 and two transmission impellers 7;
the shell S-shaped runner 2 is fixedly arranged on the shell 1, the shell runner cover plate 4 covers the outer side of the shell S-shaped runner 2, and the specific arrangement position and coverage of the shell S-shaped runner 2 only need to wrap the outer part of the motor 3 of the water pump so as to realize heat dissipation of the motor 3 (the lowest liquid level height of the water pump is also reduced);
the water inlet of the first connecting pipeline 5 is connected with a screw hole reserved at the bottom end outside the shell runner cover plate 4, and the water outlet of the first connecting pipeline 5 is connected with a screw hole reserved at the bottom end outside the volute runner cover plate 8; the water inlet of the second connecting pipeline 5 'is connected with a screw hole reserved at the top end outside the shell runner cover plate 4, and the water outlet of the second connecting pipeline 5' is connected with a screw hole reserved at the top end outside the volute runner cover plate 8;
the water inlet and outlet connectors of the first connecting pipeline 5 and the second connecting pipeline 5' are connected through a threaded pipeline, so that the disassembly and the installation are convenient;
the volute runner 6 is fixed on the volute 9 through welding, and the specific setting range of the volute runner 6 needs to wrap the middle section part of the volute 9 of the water pump so as to ensure that the cooling liquid can reduce the temperature in the volute runner 6;
two driving impellers 7 are fixedly connected to two ends of the same shaft, one impeller is arranged in the volute 9 through a reserved hole of the volute 9, and the other impeller is positioned in the volute runner 6 (as shown in figure 2, the positions of the 2 impellers can be observed from the top view);
the volute runner cover plate 8 is fixedly connected with the volute runner 6 through welding.
In this embodiment, the cooling liquid passes through the housing S-shaped flow channel 2, the flow speed of the liquid can be slowed down by the housing S-shaped flow channel 2, the flow time of the cooling liquid in the flow channel is prolonged, the effect of cooling the motor is better achieved, the temperature of the motor 3 is kept at the normal working temperature, the housing S-shaped flow channel 2 is communicated with the volute flow channel 6 through the first connecting pipeline 5 and the second connecting pipeline 5', when the medium is ejected at a high speed through the volute 9, the transmission impeller 7 positioned in the volute 9 is driven, and meanwhile, the transmission impeller 7 positioned at the other end of the volute flow channel 6 is driven, so that the cooling liquid reaches the housing S-shaped flow channel 2 from the volute flow channel 6 through the second connecting pipeline 5', then the cooling liquid flows out of the first connecting pipeline 5 and enters the volute flow channel 6 through the housing S-shaped flow channel 2, and the cooling liquid is circulated to the volute 9 after the cooling housing 1 is cooled, and then circulated to the housing 1 again and again for cooling.
In addition, the shell S-shaped runner 2, the shell runner cover plate 4, the first connecting pipeline 5, the second connecting pipeline 5', the two transmission impellers 7, the volute runner 6 and the volute runner cover plate 8 are made of materials related to a water pump working environment medium, and for some mediums with strong corrosivity and high acid-base concentration, corrosion-resistant materials such as stainless steel are adopted, so that long and stable operation of the device is ensured.
The specific working mode is as follows:
when the pump body works, a medium passes through the volute 9 and drives the transmission impeller 7 in the volute 9 to rotate, so that the transmission impeller 7 in the volute runner 6 is driven to rotate, cooling liquid in the volute runner 6 enters the second connecting pipeline 5', flows into the shell S-shaped runner 2 through the second connecting pipeline 5' and cools the motor 3, the temperature of the motor 3 is kept at a normal working temperature, then the cooling liquid flows out of the first connecting pipeline 5 through the shell S-shaped runner 2 and enters the volute runner 6, and reenters the second connecting pipeline 5' through the transmission impeller 7 again to form circulation, so that the effect of cooling the motor 3 is achieved.
The impeller device can reduce the minimum liquid level height of the water pump, and can enable the motor to keep the normal working temperature when the minimum liquid level of the water pump is reduced to the volute; the design and the installation position of the special transmission impeller can ensure that the transmission efficiency is more stable and efficient and the stable operation is ensured.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. An impeller device capable of reducing the minimum liquid level height of a water pump comprises a shell (1), a motor (3), a volute (9), a shell S-shaped runner (2), a shell runner cover plate (4), a first connecting pipeline (5), a second connecting pipeline (5'), a volute runner (6), a volute runner cover plate (8) and a transmission impeller (7);
the shell S-shaped flow channel (2) is fixedly arranged on the shell (1), and the shell flow channel cover plate (4) covers the outer side of the shell S-shaped flow channel (2);
the water inlet of the first connecting pipeline (5) is connected with a screw hole reserved at the bottom end outside the shell runner cover plate (4), and the water outlet of the first connecting pipeline (5) is connected with a screw hole reserved at the bottom end outside the volute runner cover plate (8);
the water inlet of the second connecting pipeline (5 ') is connected with a screw hole reserved at the top end outside the shell runner cover plate (4), and the water outlet of the second connecting pipeline (5') is connected with a screw hole reserved at the top end outside the volute runner cover plate (8);
the volute runner (6) is fixedly arranged on the volute (9);
the two transmission impellers (7) are fixedly connected to two ends of the same shaft, one impeller is arranged in the volute (9) through a reserved hole of the volute (9), and the other impeller is arranged in the volute runner (6);
the volute runner cover plate (8) covers the outer side of the volute runner (6).
2. An impeller device for reducing the minimum liquid level of a water pump according to claim 1, wherein: the first connecting pipeline (5) is connected with the water inlet and outlet connectors of the second connecting pipeline (5') through threaded pipelines.
3. An impeller device for reducing the minimum liquid level of a water pump according to claim 1, wherein: the specific setting position and coverage range of the shell S-shaped runner (2) only need to wrap the outside of the motor (3) of the water pump, so that heat dissipation of the motor (3) is realized.
4. An impeller device for reducing the minimum liquid level of a water pump according to claim 1, wherein: the volute flow passage (6) wraps the middle section of the water pump volute (9) so as to ensure that the cooling liquid can reduce the temperature in the volute flow passage (6).
5. An impeller device for reducing the minimum liquid level of a water pump according to claim 1, wherein: the material of the device is determined by the medium of the water pump so as to ensure the stable and efficient operation of the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320375580.7U CN219774435U (en) | 2023-03-03 | 2023-03-03 | Impeller device capable of reducing minimum liquid level height of water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320375580.7U CN219774435U (en) | 2023-03-03 | 2023-03-03 | Impeller device capable of reducing minimum liquid level height of water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219774435U true CN219774435U (en) | 2023-09-29 |
Family
ID=88108248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320375580.7U Active CN219774435U (en) | 2023-03-03 | 2023-03-03 | Impeller device capable of reducing minimum liquid level height of water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219774435U (en) |
-
2023
- 2023-03-03 CN CN202320375580.7U patent/CN219774435U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2884119Y (en) | Rotary type heat recovering apparatus | |
| CN116190718B (en) | Electrolyte flow management device for all-vanadium redox flow battery | |
| CN219774435U (en) | Impeller device capable of reducing minimum liquid level height of water pump | |
| CN111795591A (en) | Heat exchange container | |
| CN218072353U (en) | Seed soaking equipment | |
| CN219549214U (en) | Can reduce minimum liquid level's of water pump liquid circulation device | |
| CN205954055U (en) | High -efficient stirring quenching bath of large -scale rotatory water conservancy diversion formula | |
| CN215114067U (en) | Composite inner container of aluminum-plastic radiator | |
| CN210625401U (en) | Water turbine cooling tower | |
| CN209036950U (en) | A kind of cooling equipment of multi-layered composite pipe production | |
| CN216617920U (en) | Motor self-cooling device for submersible sewage pump | |
| CN220852769U (en) | Cooling water device for food additive production | |
| CN216031953U (en) | Cooling equipment for polyurethane resin production | |
| CN209880258U (en) | Energy-saving cable cooling device | |
| CN219394612U (en) | Large-scale permanent magnet motor cooling device | |
| CN216869300U (en) | Water-saving device for cooling outside circulating water tower | |
| CN218566213U (en) | Condensate water tank | |
| CN221278096U (en) | High-efficient circulating water pump of waste heat power generation | |
| CN212479350U (en) | Lubricating oil external circulation fixing device of large turbine unit | |
| CN220959720U (en) | Cooling tower with low power consumption | |
| CN2485308Y (en) | Pelleter | |
| CN219433826U (en) | Cooler for raw material device washing tower | |
| CN214792161U (en) | Annular heat exchange type chemical feed liquid cooling tank | |
| CN208526604U (en) | The chemical reaction kettle of fast cooling in a kind of Chemical Manufacture | |
| CN220059934U (en) | Mute type shielding water supply booster pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |