CN217401175U - Inlet pressure self-balancing multi-stage high-lift centrifugal pump - Google Patents
Inlet pressure self-balancing multi-stage high-lift centrifugal pump Download PDFInfo
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- CN217401175U CN217401175U CN202220827951.6U CN202220827951U CN217401175U CN 217401175 U CN217401175 U CN 217401175U CN 202220827951 U CN202220827951 U CN 202220827951U CN 217401175 U CN217401175 U CN 217401175U
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Abstract
The utility model discloses an inlet pressure self-balancing multistage high-lift centrifugal pump, which belongs to the technical field of centrifugal pumps, wherein a motor is arranged on one side of a balance bin, a mechanical seal is arranged in the middle of one side of the motor, a rotating rod is arranged at the output end of the motor, the outer wall of the mechanical seal is provided with a shell, one side of the inner part of the shell is provided with a first working wheel, one side of the first working wheel is provided with a guider, the centrifugal pump is provided with a self-balancing device which is added at the top end of the motor of the traditional water pump, and the device has high integration level, high reliability, convenient maintenance and limited cost increase; the existing centrifugal pump with a certain submergence depth usually selects a bearing with a large specification for balancing the upward thrust of an external pressure on a rotor part, and accordingly increases a bearing seat, the rotor part and a stator part, so that the cost is greatly increased, waste is caused, the operation of the centrifugal pump is also convenient, the centrifugal pump is completely the same as the operation method of a traditional water pump, special training is not needed, and the operation is very convenient.
Description
Technical Field
The utility model relates to a multistage high-lift centrifugal pump of self-balancing especially relates to a multistage high-lift centrifugal pump of inlet pressure self-balancing belongs to centrifugal pump technical field.
Background
During the operation of boats and ships deep sea, need the water pump to dive in the ballast tank with the output sea water medium in order to satisfy boats and ships, the needs of come-up, when diving, the water pump import is open to the sea, the exit linkage ballast tank, along with the improvement of dive degree of depth, the pressure of water pump import constantly increases, this power can promote the displacement of water pump rotor upwards, lead to the bearing temperature rise too high, the motor generates heat, phenomenon such as electric current too big, burn out the motor even when serious, during the come-up, water pump access connection ballast tank, the export is open to the sea, need the water pump to possess higher lift and overcome hull external pressure this moment, thereby discharge the water in ballast tank, realize the boats and ships come-up.
SUMMERY OF THE UTILITY MODEL
The main purpose of the utility model is to provide an inlet pressure self-balancing multistage high-lift centrifugal pump, this equipment is made by balanced storehouse, motor, balanced pipeline, mechanical seal, casing, first working wheel, director, second working wheel, pump cover, dwang, connection base, export and import, confirm the area that the water pump import receives external pressure through calculating, design a balance disc that the area is the same in the balanced under-deck of motor top, the water pump import is put through with the balanced under-deck of motor top through the pipeline, because water pump import working wheel and balance disc adopt the back-to-back design, external pressure p can be balanced and eliminated automatically; the high lift can be realized by adding the working wheel, and the required working wheels can be determined through the working depth of a ship, compared with the traditional centrifugal pump, the centrifugal pump has the capability of deep diving work, the inlet pressure of the centrifugal pump can be infinitely increased, the pressure of the part can be automatically balanced by the balancing device at the top of the motor, the high lift is provided by the working wheel of the water pump, the working wheel of the pump can be increased to 10 stages at most, 1500m lift can be theoretically provided, and the requirement of any underwater operation can be met, the centrifugal pump is optimized and improved on the basis of the traditional water pump, so the efficiency of the water pump cannot be influenced, the centrifugal pump is additionally provided with a self-balancing device at the top end of the motor of the traditional water pump, and the centrifugal pump has the advantages of high integration level, high reliability, convenient maintenance and limited cost increase; the existing centrifugal pump with a certain submergence depth usually selects a bearing with a large specification for balancing the upward thrust of an external pressure on a rotor part, and accordingly increases a bearing seat, the rotor part and a stator part, so that the cost is greatly increased, waste is caused, the operation of the centrifugal pump is also convenient, the operation method of the centrifugal pump is completely the same as that of a traditional water pump, special training is not needed, and the operation is very convenient.
The purpose of the utility model can be achieved by adopting the following technical scheme:
the utility model provides a multistage high-lift centrifugal pump of inlet pressure self-balancing, including balanced storehouse, including a motor, an end cap, a controller, and a cover plate, balanced pipeline, mechanical seal, a housing, first working wheel, the director, the second working wheel, pump cover and dwang, the motor is installed to balanced storehouse one side, department installs mechanical seal in the middle of motor one side, the output at the motor is installed to the dwang, the mechanical seal outer wall is equipped with the casing, the inside one side of casing is equipped with first working wheel, first working wheel one side is equipped with the director, director one side is equipped with the second working wheel, second working wheel one side is equipped with the pump cover, balanced storehouse is equipped with balanced pipeline with the junction of casing, be equipped with base business turn over subassembly on motor and the casing.
Preferably, the base business turn over subassembly is including connecting base, export and import, connects pedestal mounting and locates at middle part one side at the bottom of the motor, and the export is seted up at middle part department at the bottom of the casing, and the import is seted up in the middle of casing one side department.
Preferably, the balance pipeline is of a U-shaped structure.
Preferably, the first running wheel and the second running wheel are in contact with each other.
Preferably, the mechanical seal 4 is sleeved at one side of the middle of the rotating rod 13.
The utility model has the advantages of:
the utility model provides a high-lift centrifugal pump of import pressure self-balancing multistage, this equipment is made by balanced storehouse, motor, balanced pipeline, mechanical seal, casing, first working wheel, director, second working wheel, pump cover, dwang, connection base, export and import, confirm the area that the water pump import receives external pressure through calculating, design a balanced dish that the area is the same in the balanced under-deck of motor top, the water pump import is put through with the balanced under-deck of motor top through the pipeline, because water pump import working wheel and balanced dish adopt back-to-back design, external pressure p can be balanced and eliminated automatically; the high lift can be realized by adding the working wheel, and the required working wheels can be determined through the working depth of a ship, compared with the traditional centrifugal pump, the centrifugal pump has the capability of deep diving work, the inlet pressure of the centrifugal pump can be infinitely increased, the pressure of the part can be automatically balanced by the balancing device at the top of the motor, the high lift is provided by the working wheel of the water pump, the working wheel of the pump can be increased to 10 stages at most, 1500m lift can be theoretically provided, and the requirement of any underwater operation can be met, the centrifugal pump is optimized and improved on the basis of the traditional water pump, so the efficiency of the water pump cannot be influenced, the centrifugal pump is additionally provided with a self-balancing device at the top end of the motor of the traditional water pump, and the centrifugal pump has the advantages of high integration level, high reliability, convenient maintenance and limited cost increase; the existing centrifugal pump with a certain submergence depth usually selects a bearing with a large specification for balancing the upward thrust of an external pressure on a rotor part, and accordingly increases a bearing seat, the rotor part and a stator part, so that the cost is greatly increased, waste is caused, the operation of the centrifugal pump is also convenient, the operation method of the centrifugal pump is completely the same as that of a traditional water pump, special training is not needed, and the operation is very convenient.
Drawings
Fig. 1 is a front view of the overall structure of a preferred embodiment of an inlet pressure self-balancing multistage high-lift centrifugal pump according to the present invention.
In the figure: 1-balance bin 2-motor, 3-balance pipeline, 4-mechanical seal, 5-shell, 6-first working wheel, 7-guider, 8-second working wheel, 9-pump cover, 10-connecting base, 11-outlet, 12-inlet and 13-rotating rod.
Detailed Description
In order to make the technical solutions of the present invention clearer and clearer for those skilled in the art, the present invention is further described in detail below with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1, the multistage high-lift centrifugal pump with self-balancing inlet pressure provided in this embodiment includes a balance bin 1, a motor 2, a balance pipeline 3, a mechanical seal 4, a housing 5, a first working wheel 6, a guider 7, a second working wheel 8, a pump cover 9 and a rotating rod 13, the motor 2 is installed on one side of the balance bin 1, the mechanical seal 4 is installed in the middle of one side of the motor 2, the output end of the motor 2 is installed on the rotating rod 13, the outer wall of the mechanical seal 4 is provided with the housing 5, the first working wheel 6 is arranged on one side of the inside of the housing 5, the guider 7 is provided with the second working wheel 8 on one side of the first working wheel 6, the pump cover 9 is arranged on one side of the second working wheel 8, the balance pipeline 3 is arranged at the joint of the balance bin 1 and the housing 5, and a base inlet and outlet assembly is arranged on the motor 2 and the housing 5.
The general working principle is as follows: the equipment is composed of a balance bin 1, a motor 2, a balance pipeline 3, a mechanical seal 4, a shell 5, a first working wheel 6, a guider 7, a second working wheel 8, a pump cover 9, a rotating rod 13, a connecting base 10, an outlet 11 and an inlet 12, the area of the inlet of the water pump, which is subjected to external pressure, is determined through calculation, a balance disc with the same area is designed in the balance cabin at the top of the motor, the inlet of the water pump is communicated with the balance cabin at the top of the motor through a pipeline, and the external pressure p can be automatically balanced and eliminated due to the back-to-back design of the working wheel at the inlet of the water pump and the balance disc; the high lift can be realized by adding the working wheel, and the required working wheels can be determined through the working depth of a ship, compared with the traditional centrifugal pump, the centrifugal pump has the capability of deep diving work, the inlet pressure of the centrifugal pump can be infinitely increased, the pressure of the part can be automatically balanced by the balancing device at the top of the motor, the high lift is provided by the working wheel of the water pump, the working wheel of the pump can be increased to 10 stages at most, 1500m lift can be theoretically provided, and the requirement of any underwater operation can be met, the centrifugal pump is optimized and improved on the basis of the traditional water pump, so the efficiency of the water pump cannot be influenced, the centrifugal pump is additionally provided with a self-balancing device at the top end of the motor of the traditional water pump, and the centrifugal pump has the advantages of high integration level, high reliability, convenient maintenance and limited cost increase; the existing centrifugal pump with a certain submergence depth usually selects a bearing with a large specification for balancing the upward thrust brought to a rotor part by external pressure, and brings the increase of a bearing seat, the rotor part and a stator part, so that the cost is greatly improved, the waste is caused, the operation of the centrifugal pump is also more convenient, the centrifugal pump is completely the same as the operation method of the traditional water pump, special training is not needed, and the operation is very convenient.
In this embodiment: the base business turn over subassembly is including connecting base 10, export 11 and import 12, connects base 10 and installs in middle part one side department at the bottom of motor 2, and export 11 is seted up at middle part department at the bottom of casing 5, and import 12 is seted up in the middle of casing 5 one side department.
In this embodiment: the balance pipeline 3 is of a U-shaped structure.
In this embodiment: the first running wheel 6 and the second running wheel 8 are in contact with each other.
In this embodiment: the mechanical seal 4 is sleeved at one side of the middle of the rotating rod 13.
The above description is only a further embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, and any person skilled in the art can replace or change the technical solution and the concept of the present invention within the scope of the present invention.
Claims (5)
1. The utility model provides an inlet pressure self-balancing multistage high-lift centrifugal pump which characterized in that: comprises a balance bin (1), a motor (2), a balance pipeline (3), a mechanical seal (4), a shell (5), a first working wheel (6), a guider (7), a second working wheel (8), a pump cover (9) and a rotating rod (13), motor (2) are installed to balance bin (1) one side, department installs mechanical seal (4) in the middle of motor (2) one side, the output at motor (2) is installed in dwang (13), mechanical seal (4) outer wall is equipped with casing (5), inside one side of casing (5) is equipped with first working wheel (6), first working wheel (6) one side is equipped with director (7), director (7) one side is equipped with second working wheel (8), second working wheel (8) one side is equipped with pump cover (9), balance bin (1) is equipped with balanced pipeline (3) with the junction of casing (5), be equipped with base business turn over subassembly on motor (2) and casing (5).
2. The multistage high-lift centrifugal pump with self-balanced inlet pressure as claimed in claim 1, wherein: the base in-out assembly comprises a connecting base (10), an outlet (11) and an inlet (12), the connecting base (10) is installed at one side of the middle of the bottom of the motor (2), the outlet (11) is arranged at the middle of the bottom of the shell (5), and the inlet (12) is arranged in the middle of one side of the shell (5).
3. The multistage high-lift centrifugal pump with self-balanced inlet pressure as claimed in claim 2, wherein: the balance pipeline (3) is of a U-shaped structure.
4. The self-balancing multistage high-lift centrifugal pump of inlet pressure of claim 3, characterized in that: the first running wheel (6) and the second running wheel (8) are in contact with each other.
5. The multistage high-lift centrifugal pump with self-balanced inlet pressure as claimed in claim 4, wherein: the mechanical seal (4) is sleeved at one side of the middle of the rotating rod (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220827951.6U CN217401175U (en) | 2022-04-11 | 2022-04-11 | Inlet pressure self-balancing multi-stage high-lift centrifugal pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220827951.6U CN217401175U (en) | 2022-04-11 | 2022-04-11 | Inlet pressure self-balancing multi-stage high-lift centrifugal pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217401175U true CN217401175U (en) | 2022-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220827951.6U Active CN217401175U (en) | 2022-04-11 | 2022-04-11 | Inlet pressure self-balancing multi-stage high-lift centrifugal pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217401175U (en) |
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2022
- 2022-04-11 CN CN202220827951.6U patent/CN217401175U/en active Active
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