CN212429278U - Vertical ceramic seawater circulating pump - Google Patents
Vertical ceramic seawater circulating pump Download PDFInfo
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- CN212429278U CN212429278U CN202021613024.1U CN202021613024U CN212429278U CN 212429278 U CN212429278 U CN 212429278U CN 202021613024 U CN202021613024 U CN 202021613024U CN 212429278 U CN212429278 U CN 212429278U
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- vane body
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- impeller
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Abstract
The utility model discloses a vertical ceramic seawater circulating pump, the main technical characteristics are horn type water inlet, the impeller, the guide vane body, the axle protecting sleeve, the ceramic layer coats respectively on the surface of rectification grid tray and delivery port, the top of impeller, the inside of pump casing lower extreme sets up the guide vane body, guide vane body lower part is connected with horn type water inlet, guide vane body middle part is connected with the water lubrication guide bearing, be equipped with the rectification grid tray between the last port of guide vane body and the delivery port, rectification grid tray upper portion is arranged and is connected the barrel, the lower extreme of connecting the barrel sets up arc water conservancy diversion chamber, water conservancy diversion chamber below sets up the water conservancy diversion entry, the water conservancy diversion chamber sets up the water conservancy diversion export towards the one end of delivery port, on the cavity in water conservancy diversion chamber, the central point department of putting of connecting the barrel link up by wearing the axle. The beneficial effects are that: the corrosion, erosion and erosion performances of the seawater pump in the use process are improved, the seawater is stably rectified and turned in the pump, the phenomena of internal vortex and backflow are avoided, and the working efficiency of a pump set is improved.
Description
Technical Field
The utility model relates to a circulating pump, especially a vertical ceramic sea water circulating pump.
Background
With the increasing importance of fresh water resource saving in the world and the country, the war of 'saving and utilizing fresh water resources and reasonably utilizing seawater resources' tends to be incandescence, large-scale projects such as offshore nuclear power projects of seawater desalination and seawater cooling and the like have highlighted the great trend of reasonable utilization of seawater, and the economic benefit and the ecological benefit of the projects greatly exceed the pre-estimation. However, stability, availability, maintenance difficulty, cost control, etc. of the seawater pump in such projects are particularly important. The impeller and the flow passage component of the seawater pump are corroded by various ions in seawater, and silt mixed in the seawater is more accelerated to corrode, so that rapid abrasion of parts in the pump body and pump damage caused by corrosion are accelerated. Meanwhile, due to the influence of the geological structure of seashore soil and gravel, the arrangement mode or structural form of the seawater pump is restricted, and many mature and stable schemes in inland become inapplicable, so that unstable factors such as vortex, backflow and the like are generated inside the water inlet and the water outlet of the pump, particularly the vortex and backflow phenomena, and the running efficiency of the pump is reduced, so that the improvement of the surface ceramic treatment and the specific arrangement structure of the overflowing part of the seawater circulating pump in the prior art is necessary.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome not enough of above-mentioned problem, provide a vertical pottery sea water circulating pump.
In order to overcome the technical problem, the utility model discloses a technical scheme is:
the pump comprises a driving motor, a motor support, a pump shell, a water outlet, a pump shaft, a shaft protecting sleeve, a guide vane body, an impeller, a horn-shaped water inlet, a water lubricating guide bearing, a rectifying grid plate, a connecting cylinder, a flow guide cavity, a shaft penetrating hole, a flow guide inlet and a flow guide outlet, and is characterized in that the surfaces of the horn-shaped water inlet, the impeller, the guide vane body, the shaft protecting sleeve, the rectifying grid plate and the water outlet are respectively coated with a ceramic layer, the pump shaft is concentrically arranged in the shaft protecting sleeve, an upper sealing device at the upper end of the shaft protecting sleeve is connected with the motor support, the lower end of the shaft protecting sleeve is connected with the upper end of the water lubricating guide bearing, the lower end of the water lubricating guide bearing is hermetically connected with the pump shaft, the impeller is arranged at the lower shaft extension of the pump shaft, an upper shaft extension of the pump shaft is connected with the, set up tubaeform water inlet, be provided with the delivery port on the lateral wall at pump casing middle part, the top of impeller, the inside of pump casing lower extreme sets up the guide vane body, guide vane body lower part and tubaeform water inlet are connected, guide vane body middle part is connected the water lubrication and is led the bearing, be equipped with the rectification grid tray between the last port of guide vane body and the delivery port, the connection barrel is arranged on rectification grid tray upper portion, the lower extreme of connection barrel sets up arc water conservancy diversion chamber, water conservancy diversion chamber below sets up the water conservancy diversion entry, the water conservancy diversion chamber sets up the water conservancy diversion export towards the one end of delivery port, on the cavity in water conservancy diversion chamber, the central point of connecting the barrel puts the department and link up by.
Furthermore, the thicknesses of the ceramic layers coated on the surfaces of the horn-shaped water inlet, the impeller, the guide vane body, the shaft protecting sleeve, the rectifying grid plate and the water outlet are respectively within the range of 20 mm-60 mm.
Compared with the prior art, the beneficial effects of the utility model are that: the anti-scouring, anti-corrosion and stability of the sea water pump are improved, the problem that the water pump is easily damaged due to corrosion, erosion and erosion in the use process is fundamentally solved, and the service life of the pump is prolonged. Meanwhile, the seawater is stably rectified and turned in the pump, unstable factors such as internal vortex, backflow and the like are avoided, the interference of outlet liquid flow resilience on the pump set is effectively reduced, and the working efficiency of the pump set is improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the rectification grid plate of the present invention.
Detailed Description
As can be seen in fig. 1-2, the pump housing 3 is internally provided with a vertically arranged pump shaft 5; the outside cover of pump shaft 5 is equipped with axle sheath pipe 6. An upper sealing device 6-1 at the upper end of the shaft protecting sleeve 6 is connected with a motor bracket 2, the upper end of a pump shell 3 is provided with the motor bracket 2, the motor bracket 2 is provided with a driving motor 1, the output end at the lower part of the driving motor 1 is connected with the upper end of a pump shaft 5 through a coupling, and the lower end of the pump shaft 5 is provided with an impeller 8, the lower end of the pump shell 3 and the lower part of the impeller 8 are provided with a horn-shaped water inlet 9, and the lateral wall in the middle of the pump casing 3 is provided with a water outlet 4, the guide vane body 7 used for ensuring the stable state of the laminar flow of the liquid flow is arranged above the impeller 8 and inside the lower end of the pump casing 3, the guide vane body 7 mainly carries out laminar flow setting on the seawater with a large speed head after the work of the impeller 8, so that the speed direction of the liquid flow is kept to be close to unity in a subsequent flow channel, and the lower part of the guide vane body 7 is connected with the horn-shaped water inlet 9 to stably output the seawater.
The liquid flow with kinetic energy and a speed head after the impeller 8 applies work is set, so that the laminar state is stable, the disordered speed head is guided according to the blade curve in the guide blade body 7, the loss of a turbulent layer and a turbulent layer is reduced, and the pumped liquid flow is enabled to stably transition into the annular flow channel. In order to prevent the pump set from shaking when the pump set is disturbed by rotation and streaming, the flexible rotating shaft system is reasonably supported to ensure stable operation, and a water lubrication guide bearing 10 is arranged between the mounting hole in the middle of the guide vane body 7 and the outer wall of the pump shaft 5, so that the rotor is ensured to rotate in a reasonable gap; in addition, the surface hardness and the wear resistance of the water lubrication guide bearing 10 can satisfy the impact and the friction loss in the rotation process. The water lubrication guide bearing 10 is made of carbon fiber or ceramic materials, so that the water lubrication guide bearing not only ensures sufficient wear resistance and corrosion resistance, but also has certain strength and hardness, and can impact and wear a pump shaft in operation. A rectification grid plate 11 for stable rectification and steering is also arranged between the upper port of the guide vane body 7 inside the lower end of the pump housing 3 and the water outlet 4. The rectification grid plate 11 is composed of vertically arranged connecting cylinder bodies 12, and the lower ends of the connecting cylinder bodies 12 are provided with arc-shaped flow guide cavities 13; the diversion cavity 13 is provided with a diversion inlet 15 facing downwards, and one end of the diversion cavity 13 facing the water outlet 4 is provided with a diversion outlet 16. Meanwhile, a through shaft hole 14 is arranged on the cavity of the diversion cavity 13 and at the center of the connecting cylinder 12 in a penetrating manner; the pump shaft 5 and a shaft protecting sleeve 6 sleeved outside the pump shaft vertically penetrate through a shaft penetrating hole of the rectifying grid plate 11. The stable rectification and steering between the horn-shaped water inlet 9 and the horn-shaped water outlet 4 which are vertically arranged are ensured to the maximum extent, the unstable factors such as internal vortex, backflow and the like are effectively avoided, the interference of the outlet liquid flow resilience on the pump set is reduced, and the working efficiency of the pump set is improved. The surfaces of the horn-shaped water inlet 9, the impeller 8, the guide vane body 7, the shaft protecting sleeve 6, the rectifying grid plate 11 and the water outlet 4 are coated with ceramic layers, and the thickness of the ceramic layers coated on the surfaces is within the range of 20 mm-60 mm respectively.
When in use, firstly, the driving motor 1 connected with the upper end of the pump shaft 5 drives the impeller 8 at the horn-shaped water inlet 9 at the lower end in the pump shell 3 to rotate; then, water enters the cavity of the guide vane body 7 from the horn-shaped water inlet 9 of the pump shell 3, so that liquid flow with kinetic energy and velocity head after the impeller 8 works is adjusted, the laminar flow state is ensured to be stable, the disordered velocity head is guided according to the curves of the blades with odd number in the guide vane body 7, the loss of a turbulent layer and a turbulent layer is reduced, the pumped liquid flow is ensured to be stably transited into the rectifying grid plate 11, the stable rectifying steering between the horn-shaped water inlet 9 and the water outlet 4 which are vertically arranged is ensured to the maximum extent, the generation of unstable factors such as internal vortex, backflow and the like is avoided, and the interference of the return force of the outlet liquid flow on the pump set is effectively reduced. Meanwhile, ceramic layers arranged on the overflowing surfaces of the horn-shaped water inlet 9, the impeller 8, the guide vane body 7, the shaft protecting sleeve 6, the rectifying grid plate 11, the water outlet 4 and the like have excellent properties of hard texture, smoothness, light weight and stability, the scouring resistance, the corrosion resistance and the stability of the sea water pump can be improved, and the problem that the water pump is easily damaged due to corrosion, erosion and erosion in the using process is fundamentally solved.
The present invention is not limited to the precise arrangements described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (2)
1. A vertical ceramic seawater circulating pump comprises a driving motor (1), a motor support (2), a pump shell (3), a water outlet (4), a pump shaft (5), a shaft protecting sleeve (6), a guide vane body (7), an impeller (8), a horn-shaped water inlet (9), a water lubricating guide bearing (10), a rectifying grid plate (11), a connecting cylinder body (12), a flow guide cavity (13), a shaft penetrating hole (14), a flow guide inlet (15) and a flow guide outlet (16), and is characterized in that the surfaces of the horn-shaped water inlet (9), the impeller (8), the guide vane body (7), the shaft protecting sleeve (6), the rectifying grid plate (11) and the water outlet (4) are respectively coated with ceramic layers, the pump shaft (5) is concentrically arranged inside the shaft protecting sleeve (6), an upper sealing device (6-1) at the upper end of the shaft protecting sleeve (6) is connected with the motor support (2), the lower end of the shaft protecting sleeve (6) is connected with the upper end of the water lubricating guide, the lower end of a water lubrication guide bearing (10) is hermetically connected with a pump shaft (5), an impeller (8) is arranged on a lower shaft extension of the pump shaft (5), an upper shaft extension of the pump shaft (5) is connected with a driving motor (1) through a shaft coupling, the driving motor (1) is arranged on a motor support (2), the motor support (2) is fixedly connected with a pump shell (3), the lower end of the pump shell (3) and the lower part of the impeller (8) are provided with a horn-shaped water inlet (9), a water outlet (4) is arranged on the side wall in the middle of the pump shell (3), a guide vane body (7) is arranged above the impeller (8) and inside the lower end of the pump shell (3), the lower part of the guide vane body (7) is connected with the horn-shaped water inlet (9), the middle part of the guide vane body (7) is connected with the water lubrication guide bearing (10), a rectification grid plate (11) is arranged between the upper port of the guide vane body (7, the lower end of the connecting cylinder body (12) is provided with an arc-shaped flow guide cavity (13), a flow guide inlet (15) is arranged below the flow guide cavity (13), a flow guide outlet (16) is arranged at one end, facing the water outlet (4), of the flow guide cavity (13), the central position of the flow guide cavity (13) and the connecting cylinder body (12) is communicated through a shaft penetrating hole (14), and the pump shaft (5) and the shaft protecting sleeve (6) penetrate through the shaft penetrating hole (14) of the rectifying grid plate (11).
2. The vertical ceramic seawater circulating pump of claim 1, wherein: the thicknesses of the ceramic layers coated on the surfaces of the horn-shaped water inlet (9), the impeller (8), the guide vane body (7), the shaft protecting sleeve (6), the rectifying grid plate (11) and the water outlet (4) are respectively within the range of 20 mm-60 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021613024.1U CN212429278U (en) | 2020-08-06 | 2020-08-06 | Vertical ceramic seawater circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021613024.1U CN212429278U (en) | 2020-08-06 | 2020-08-06 | Vertical ceramic seawater circulating pump |
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| Publication Number | Publication Date |
|---|---|
| CN212429278U true CN212429278U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021613024.1U Active CN212429278U (en) | 2020-08-06 | 2020-08-06 | Vertical ceramic seawater circulating pump |
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| CN (1) | CN212429278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024149085A1 (en) * | 2023-01-13 | 2024-07-18 | 上海阿波罗机械股份有限公司 | Seawater pump |
-
2020
- 2020-08-06 CN CN202021613024.1U patent/CN212429278U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024149085A1 (en) * | 2023-01-13 | 2024-07-18 | 上海阿波罗机械股份有限公司 | Seawater pump |
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