CN114198313B - Integrated pump station - Google Patents
Integrated pump station Download PDFInfo
- Publication number
- CN114198313B CN114198313B CN202111484132.2A CN202111484132A CN114198313B CN 114198313 B CN114198313 B CN 114198313B CN 202111484132 A CN202111484132 A CN 202111484132A CN 114198313 B CN114198313 B CN 114198313B
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- China
- Prior art keywords
- pump
- pump station
- water tank
- inlet
- outlet
- 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.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 98
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 239000007788 liquid Substances 0.000 claims description 32
- 238000005192 partition Methods 0.000 claims description 7
- 230000010354 integration Effects 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D1/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/426—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to an integrated pump station, comprising: the water tank is provided with a pump station inlet and a pump station outlet; a pump rotating member for pressurizing a flow of water entering from the pump station inlet and discharging from the pump station outlet, the pump rotating member comprising: a bearing mounted above the water tank; the pump shaft is arranged in the bearing, and one end of the pump shaft extends to a pump station outlet in the water tank; and the impeller is arranged at one end of the pump shaft, which is positioned in the water tank. The water tank is used for replacing the shell, the flow channel and the mounting base of the pump set of the traditional pump, the pump rotating parts such as the pump shaft and the impeller can be directly mounted with the water tank in the form of plug-in units, the water tank and the plurality of water pump rotating parts form an integrated pump station group together, the power equipment and the system integration level are greatly improved while the performance is ensured, the power system flow is simplified, and conditions and space are created for simplified integration and modularized construction and mounting of the system level.
Description
Technical Field
The invention relates to the technical field of ship power device design, in particular to an integrated pump station.
Background
The pumps are core equipment and power sources in the power system, and are used for providing enough power for different working media to complete internal circulation or external circulation so as to ensure the normal operation of the power system and maintain the dynamic balance of the working media, and the main development trend is light weight, miniaturization and integration.
At present, the configuration and the installation of the ship power system pumps in China are still distributed according to the design requirements of each system, the ship environment with complex system constitution and limited installation space is provided with various working medium pumps, the types and the quantity of the various working medium pumps are various, a large amount of space is occupied, each pump needs to be independently provided with a pipeline, a valve, a shock absorber, a flexible connecting pipe and the like, the space in a cabin is narrow, the piping flow is complex, great inconvenience is brought to the operation and maintenance of the system, and the current requirements of integration, modularization and convenient use are difficult to meet.
Disclosure of Invention
The embodiment of the invention provides an integrated pump station to solve the problems that in the related art, the space in a cabin is narrow, the piping flow is complex, great inconvenience is brought to system operation and maintenance, and the current requirements of integration, modularization and convenient use are difficult to meet.
In a first aspect, there is provided an integrated pump station comprising: the water tank is provided with a pump station inlet and a pump station outlet; a pump rotating member for pressurizing a flow of water entering from the pump station inlet and discharging from the pump station outlet, the pump rotating member comprising: a bearing mounted above the water tank; the pump shaft is arranged in the bearing, and one end of the pump shaft extends to a pump station outlet in the water tank; and the impeller is arranged at one end of the pump shaft, which is positioned in the water tank.
In some embodiments, the water tank comprises: a horizontal part, the top of which is provided with the pump rotating part; and a vertical portion connected to one end of the horizontal portion, the vertical portion being located at one side of the pump rotating member.
In some embodiments, the water tank has an L-shaped cross section, and the vertical portion has a height that is greater than a height of the horizontal portion.
In some embodiments, a top of the vertical portion is provided with a boost port that communicates with an interior of the tank.
In some embodiments, the pump station inlet is connected with an inlet conduit that enters the interior of the tank from the pump station inlet and extends along the vertical portion.
In some embodiments, the integrated pump station is provided with a plurality of pump rotating parts, the interior of the horizontal part is divided into a plurality of liquid collecting chambers by a partition plate, and each pump rotating part is correspondingly arranged in one liquid collecting chamber.
In some embodiments, a water flow inlet and a water flow outlet are arranged in the liquid collection chamber, the water flow inlet is communicated with the water tank, and the water flow outlet is communicated with the pump station outlet.
In some embodiments, a block valve is mounted at the water inlet.
In some embodiments, the pump station outlets are arranged on the outer side of each liquid collecting chamber, and the number of the pump station outlets is greater than that of the pump station inlets.
The technical scheme provided by the invention has the beneficial effects that:
the embodiment of the invention provides an integrated pump station, which is characterized in that a water tank is used for replacing a shell, a runner and a mounting base of a pump set of a traditional pump, a pump rotating part such as a pump shaft, an impeller and the like can be directly mounted with the water tank in a plug-in mode, the number and parameters of the water pump can be set according to requirements, the water tank and a plurality of water pump rotating parts and the like jointly form an integrated pump station group, the performance is ensured, the integration level of power equipment and a system is greatly improved, the flow of a power system is simplified, and conditions and spaces are created for simplified integration and modularized construction and mounting of the system.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a front view structure of an integrated pump station according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a right-hand structure of an integrated pump station according to an embodiment of the present invention;
FIG. 3 is a schematic top view of an integrated pump station according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a liquid collecting chamber of an integrated pump station according to an embodiment of the present invention;
Fig. 5 is a schematic structural diagram of an inlet pipeline of an integrated pump station according to an embodiment of the present invention.
Reference numerals in the drawings:
1. A water tank; 11. a pump station inlet; 12. an outlet of the pump station; 13. a horizontal portion; 14. a vertical portion; 15. a pressurizing port; 16. a partition plate; 17. a liquid collection chamber; 18. a water flow inlet; 19. a water outflow port; 110. a block valve; 111. an inlet duct; 2. a pump rotating member; 21. a bearing; 22. a pump shaft; 23. an impeller; 24. a bolt; 25. and (5) mechanical sealing.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the invention provides an integrated pump station, which can solve the problems that in the related technology, the space in a cabin is narrow, the piping flow is complex, great inconvenience is brought to system operation and maintenance, and the current requirements of integration, modularization and convenient use are difficult to meet.
Referring to fig. 1 and fig. 4, an integrated pump station according to an embodiment of the present invention may include: the water tank 1 is provided with a pump station inlet 11 and a pump station outlet 12, and in the embodiment, the water tank 1 is used as a water tank body and is also integrally designed with a pump and has the functions of a pump housing and a flow channel; a pump rotation member 2 for pressurizing a water flow entering from the pump station inlet 11 and discharging from the pump station outlet 12, the pump rotation member 2 comprising: a bearing 21 mounted above the water tank 1; a pump shaft 22 mounted in the bearing 21, one end of the pump shaft 22 extending to the pump station outlet 12 in the water tank 1; the impeller 23 is installed at one end of the pump shaft 22 located in the water tank 1, in this embodiment, a motor is installed above the pump rotating component 2, the motor can drive the pump station to pressurize and discharge the liquid in the water tank through the pump rotating component 2, and through the integrated design of a plurality of pumps, the installation base and the water tank 1, the original distributed pumps can be uniformly arranged, in the system design and installation, the integrated pump station group is used as a node, inlet and outlet pipeline accessories are uniformly arranged, and meanwhile, the outlet valve station is matched for flow allocation, so that a large number of simplified devices and accessory sleeves such as filters, valves and flexible connection pipes are provided, the space of a power cabin is saved, and the weight is reduced; after the equipment functions are integrated, the work involved in the links of designing, producing, assembling and transporting the pump set can be greatly reduced, the unified production, inspection and assembling are convenient, the assembling precision and efficiency are improved, meanwhile, conditions are created for designing, manufacturing and producing the same materials among all parts of the pump set, reducing the types of different materials, modular installation can be realized in construction and installation, and the installation procedures and the precision chain links are reduced.
Referring to fig. 2, in some embodiments, the water tank 1 may include: a horizontal portion 13, the top of which is provided with the pump rotating member 2, and in this embodiment, the pump rotating member 2 is perpendicular to the top plate surface of the horizontal portion 13; the vertical portion 14 is connected to one end of the horizontal portion 13, the vertical portion 14 is located on one side of the pump rotating member 2, in this embodiment, a front wall of the vertical portion 14 may be used as a motor, a side mounting panel of a pump, and used for fixing a rotating member, the horizontal portion 13 and the vertical portion 14 are used as mounting surfaces and connected and sealed with the pump rotating member 2 to form a complete pump body together, meanwhile, due to the fact that the pump rotating member 2 and the motor are relatively large in mass, the water tank panel is relatively small in rigidity due to the wall thickness relationship, in order to ensure safety and avoid structural resonance, on one hand, the water tank 1 itself needs to be separately subjected to structural strength design calculation, to confirm displacement deformation thereof, and to be pertinently reinforced to ensure operation safety, on the other hand, the design of the water tank 1 is adjusted according to structural mode results, axial frequency, frequency multiplication, and leaf frequency, frequency multiplication of the pump rotating member 2 are effectively staggered, and in other embodiments, the pump rotating member 2 may not be connected with the vertical portion 14, and is only connected with the horizontal portion 13, depending on specifications, weight or operation conditions of the pump rotating member 2.
Referring to fig. 2, in some embodiments, the water tank 1 may have an L-shaped cross section, the vertical portion 14 is higher than the horizontal portion 13, in this embodiment, the pump station inlet 11 is higher than the pump station outlet 12, when the interior of the water tank 1 is filled with liquid, the liquid level of the vertical portion 14 is higher than the liquid level of the horizontal portion 13, that is, the liquid level of the water tank 1 is higher than the water flow inlet of the pump rotating member 2, the liquid level difference of the vertical portion 14 may pressurize the liquid of the horizontal portion 13, so that the inlet pressure of the pump is increased, the cavitation resistance of the pump may be improved, and in addition, the water tank 1 may also have a certain volume, so as to serve as a surge tank for each fluid medium, so as to improve the adaptation and adjustment capability of the pump station set.
Referring to fig. 3, preferably, a pressurizing port 15 may be disposed at the top of the vertical portion 14, where the pressurizing port 15 communicates with the interior of the water tank 1, in this embodiment, considering thermal expansion caused by temperature rise of medium, the liquid in the pump station should not fill the space of the whole water tank 1, a certain air space should be reserved for water level fluctuation caused by water expansion, so as to ensure that the medium does not overflow the pump station, and the pump station is not necessarily located at the highest point of the system, that is, the level of the pump station may be below the water inlet system, and when the medium is injected into the water tank 1, the whole water tank 1 is automatically filled due to gravity, so that the space of the whole water tank 1 is not filled with the liquid, the pressurizing port 15 is used for pressurizing, so as to ensure the air space in the pump station, and improve the cavitation resistance of the pump station.
Referring to fig. 5, in some embodiments, the pump station inlet 11 may be connected with an inlet pipe 111, the inlet pipe 111 enters the water tank 1 from the pump station inlet 11 and extends along the vertical portion 14, in this embodiment, the inlet pipe 111 is an L-shaped bent pipe, one end of which is connected to the pump station inlet 11, and the other end of which extends downward, so as to play a role in slow flow, and avoid that liquid directly flows into the water tank 1 from the pump station inlet 11, resulting in vibration of the water tank 1 and bubble generation.
Referring to fig. 3, in some embodiments, the integrated pump station may be provided with a plurality of pump rotating parts 2, the interior of the horizontal part 13 is divided into a plurality of liquid collecting chambers 17 by a partition 16, each pump rotating part 2 is correspondingly installed in one liquid collecting chamber 17, in this embodiment, the plurality of pump rotating parts 2 and the water tank 1 are integrally installed in a unified manner, creating space for arranging long flexible connection pipes, and providing a condition for quiet operation of the pump, meanwhile, the mass of the integrated pump station is far greater than that of a single same-parameter pump, under the same condition, the vibration of the integrated pump station group will be smaller due to the mass effect, the partition 16 is used for dividing the water tank 1 into a plurality of liquid collecting chambers 17, each liquid collecting chamber 17 is correspondingly installed with one pump rotating part 2, after the external working medium enters the water tank 1 from the pump station inlet 11, a plurality of fluid flows into the liquid collecting chambers 17 corresponding to each pump by the partition 16 in the pump station, and the pumps work independently without interference.
Referring to fig. 4, in some embodiments, a water inlet 18 and a water outlet 19 may be disposed in the liquid collecting chamber 17, the water inlet 18 is in communication with the water tank 1, the water outlet 19 is in communication with the pump station outlet 12, in this embodiment, the inner wall of the housing of the water tank 1 and the side wall of the partition 16 together form a liquid collecting chamber 17 similar to a volute, so that the pump rotating member 2 may perform a pressurizing function on water flow therein, the water flow enters the liquid collecting chamber 17 through the water inlet 18, and the pump rotating member 2 is discharged through the water outlet 19 after being pressurized, in other embodiments, a housing may be installed in the water tank 1, so that the pump rotating member 2 may operate in the space of the housing.
Referring to fig. 4, preferably, the water flow inlet 18 may be provided with a blocking valve 110, in this embodiment, when a pump fails, the blocking valve 110 disposed in the liquid collecting chamber 17 may be closed, so that the water flow and the inlet of the liquid collecting chamber 17 corresponding to the pump are blocked, and the liquid collecting chambers 17 are independent from each other and are in a sealed state, so that the failed pump can be overhauled, and the normal operation of the other pumps is not affected.
Referring to fig. 3, in some embodiments, the pump station outlets 12 may be disposed on the outer side of each liquid collecting chamber 17, and the number of pump station outlets 12 may be greater than the number of pump station inlets 11, in this embodiment, since the pump station inlets 11 are unified inlets disposed on the water tank 1, a small number of inlets may supply multiple pump rotating components 2 to work, and inlet and outlet pipeline accessories may be unified, so that a large number of simplifying equipment and accessory sleeves, such as filters, valves, and flexible connection pipes, may be disposed, thereby saving space in a power cabin and reducing weight.
In some embodiments, to improve the anti-corrosion performance of the pump set, the water tank 1 and the pump rotating part 2 can be integrally manufactured by using the same-grade materials, so that electrochemical corrosion caused by the existence of potential difference is avoided.
The principle of the integrated pump station provided by the embodiment of the invention is as follows:
The water tank 1 in the cabin is adopted to replace the shell of the traditional pump, the flow channel and the mounting base of the pump set, the water tank 1, the plurality of water pump rotating parts 2 and the like together form an integrated pump station group, external working media sequentially enter the water tank 1, the in-tank flow channel and the pump rotating parts 2 through the interfaces of the integrated pump station group and are discharged by the pump station outlets 12 to enter relevant users after being pressurized, circulation is completed, the water pumps work independently of each other, the number of the water pumps is started according to working conditions, and compared with a single pump set, the integrated pump station group has more obvious advantages in the aspects of modularization, integration level, stabilization and the like.
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that in the present invention, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is only a specific embodiment of the invention to enable those skilled in the art to understand or practice the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (2)
1. An integrated pump station, comprising:
The water tank (1) is provided with a pump station inlet (11) and a pump station outlet (12), the top of the water tank (1) is provided with a pressurizing port (15), and the pressurizing port (15) is communicated with the inside of the water tank (1);
a pump rotation member (2) for pressurizing a water flow entering from the pump station inlet (11) and discharging from the pump station outlet (12), the pump rotation member (2) comprising:
a bearing (21) mounted above the water tank (1);
a pump shaft (22) mounted in the bearing (21), one end of the pump shaft (22) extending to a pump station outlet (12) inside the water tank (1);
An impeller (23) mounted to one end of the pump shaft (22) within the water tank (1);
A horizontal part (13) with the pump rotating part (2) arranged at the top, wherein the pump station outlet (12) is arranged on the horizontal part (13);
a vertical part (14) connected with one end of the horizontal part (13), wherein the vertical part (14) is positioned at one side of the pump rotating part (2), and the pump station inlet (11) is arranged on the vertical part (14);
The section of the water tank (1) is L-shaped, the height of the vertical part (14) is higher than that of the horizontal part (13), and the height of the pump station inlet (11) is higher than that of the pump station outlet (12);
The integrated pump station is provided with a plurality of pump rotating parts (2), the interior of the horizontal part (13) is divided into a plurality of liquid collecting chambers (17) through a partition plate (16), and each pump rotating part (2) is correspondingly arranged in one liquid collecting chamber (17);
The outer side of each liquid collecting chamber (17) is provided with pump station outlets (12), and the number of the pump station outlets (12) is more than that of the pump station inlets (11);
A water flow inlet (18) and a water outlet (19) are arranged in the liquid collecting chamber (17), the water flow inlet (18) is communicated with the water tank (1), and the water outlet (19) is communicated with the pump station outlet (12);
A block valve (110) is arranged at the water flow inlet (18).
2. An integrated pump station according to claim 1, wherein:
The pump station inlet (11) is connected with an inlet pipeline (111), and the inlet pipeline (111) enters the inside of the water tank (1) from the pump station inlet (11) and extends along the vertical part (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111484132.2A CN114198313B (en) | 2021-12-07 | 2021-12-07 | Integrated pump station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111484132.2A CN114198313B (en) | 2021-12-07 | 2021-12-07 | Integrated pump station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114198313A CN114198313A (en) | 2022-03-18 |
| CN114198313B true CN114198313B (en) | 2024-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111484132.2A Active CN114198313B (en) | 2021-12-07 | 2021-12-07 | Integrated pump station |
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|---|---|
| CN (1) | CN114198313B (en) |
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