CN113847540A - Submersible electric pump oil change system - Google Patents
Submersible electric pump oil change system Download PDFInfo
- Publication number
- CN113847540A CN113847540A CN202111142422.9A CN202111142422A CN113847540A CN 113847540 A CN113847540 A CN 113847540A CN 202111142422 A CN202111142422 A CN 202111142422A CN 113847540 A CN113847540 A CN 113847540A
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- CN
- China
- Prior art keywords
- oil
- pump
- electric pump
- electric
- valve
- 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.)
- Pending
Links
- 239000003921 oil Substances 0.000 claims abstract description 223
- 239000010687 lubricating oil Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000003466 welding 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
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N31/00—Means for collecting, retaining, or draining-off lubricant in or on machines or apparatus
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/06—Lubrication
- F04D29/061—Lubrication especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N37/00—Equipment for transferring lubricant from one container to another
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16N—LUBRICATING
- F16N37/00—Equipment for transferring lubricant from one container to another
- F16N2037/006—Filling
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an oil change system of a submersible electric pump, which comprises a thin oil pump station and a plurality of groups of electric pump oil chambers, wherein the electric pump oil chambers and the thin oil pump station are arranged in parallel, so that the thin oil pump station can intensively pump lubricating oil of the electric pump oil chambers of the submersible tubular pump, the oil outlet end of an oil tank of the thin oil pump station is connected with a main oil pipeline, the oil return end of the oil tank is connected with an oil return pipeline, the other end of the main oil pipeline is connected with an oil duct at the lower end of the electric pump oil chambers, and the other end of the oil return pipeline is connected with an oil duct at the upper end of the electric pump oil chambers.
Description
Technical Field
The invention relates to the technical field of submersible electric pumps, in particular to an oil change system of a submersible electric pump.
Background
The submerged tubular pump liquid level monitoring system is applied to the operation of a submerged tubular pump and is used for respectively monitoring the oil level of lubricating oil in an oil chamber of the submerged tubular pump.
The common submersible electric pump has no oil change system, and if the oil chamber needs to be changed, the submersible electric pump needs to be lifted out of a station for oil change. The oil changing process is complex and heavy, and the consumed time, manpower, material resources and financial resources are very large.
Disclosure of Invention
The invention aims to provide an oil changing system of a submersible electric pump, which can respectively change oil chambers of the submersible electric pump without lifting the pump by adding the oil changing system, thereby omitting the processes of dismounting and mounting the electric pump and the like, ensuring that the oil changing is simple and convenient, greatly lightening the labor intensity and saving a large amount of manpower, material resources and financial resources.
The purpose of the invention can be realized by the following technical scheme:
an oil change system of a submersible electric pump comprises a thin oil pump station and a plurality of groups of electric pump oil chambers, wherein the electric pump oil chambers are arranged in parallel with the thin oil pump station, so that the thin oil pump station can intensively pump lubricating oil of the electric pump oil chambers of the submersible tubular pump;
the oil outlet end of the oil tank of the thin oil pump station is connected with a main oil pipeline, the oil return end of the oil tank is connected with an oil return pipeline, the other end of the main oil pipeline is connected with the lower end oil duct of the electric pump oil chamber, and the other end of the oil return pipeline is connected with the upper end oil duct of the electric pump oil chamber.
As a further scheme of the invention: an oil pump is arranged on the main oil pipeline.
As a further scheme of the invention: and the main oil pipeline is provided with a filter on the pipelines of the oil pump and the oil tank.
As a further scheme of the invention: a first valve is arranged on a main oil pipeline of the oil pump and the oil tank.
As a further scheme of the invention: and a first bypass pipeline is arranged on the main oil pipeline of the oil pump and the oil tank, and a second valve is arranged on the first bypass pipeline.
As a further scheme of the invention: and a third valve is arranged on the oil return pipeline.
As a further scheme of the invention: and a bypass pipeline II is arranged on the oil return pipeline and is connected with the micro air compressor.
As a further scheme of the invention: and a valve IV is arranged on the bypass pipeline II.
As a further scheme of the invention: and a fifth valve is arranged on an oil duct at the lower end of the electric pump oil chamber.
As a further scheme of the invention: and an oil duct at the upper end of the electric pump oil chamber is provided with a valve six.
The invention has the beneficial effects that:
the liquid level monitoring system of the submersible tubular pump is applied to oil level monitoring of lubricating oil in an oil chamber of the submersible tubular pump when the submersible tubular pump runs. The oil changing system is applied to directly changing oil for the submersible tubular pump under the condition that the submersible tubular pump is not put forward when lubricating oil in an oil chamber of the oil changing system needs to be changed, so that the processes of disassembling and assembling an electric pump and the like are omitted, the oil changing is simple and easy to implement, the labor intensity is greatly reduced, and a large amount of manpower, material resources and financial resources are saved;
it can be seen that the time and benefit saved by the development and application of the submerged tubular pump oil change system in the submerged tubular pump oil change process is very significant.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the operation of the present invention;
in the figure: 1. a thin oil pump station; 2. a filter; 3. an oil pump; 4. an oil tank; 5. a micro air compressor; 6. an electric pump oil chamber; 7. a main oil line; 8. an oil return line; 9. a bypass pipeline I; 10. a bypass pipeline II; 11. a lower end oil passage; 12. an upper end oil passage;
100. 1# electric pump oil chamber; 200. 2# electric pump oil chamber; 300. 3# electric pump oil chamber; 400. 4# electric pump oil chamber; 500. 5# electric pump oil chamber;
1001. a first valve; 1002. a second valve; 1003. a third valve; 1004. a fourth valve; 1005. a fifth valve; 1006. and a sixth valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the invention is a submersible electric pump oil change system, which comprises a thin oil pump station 1 and a plurality of groups of electric pump oil chambers 6, wherein the plurality of groups of electric pump oil chambers 6 are arranged in parallel with the thin oil pump station 1, so that the thin oil pump station 1 pumps lubricating oil of the electric pump oil chambers 6 of a submersible tubular pump in a centralized manner;
the multiple groups of electric pump oil chambers 6 comprise a No. 1 electric pump oil chamber 100, a No. 2 electric pump oil chamber 200, a No. 3 electric pump oil chamber 300, a No. 4 electric pump oil chamber 400 and a No. 5 electric pump oil chamber 500;
the connection mode and the working mode of the No. 1 electric pump oil chamber 100, the No. 2 electric pump oil chamber 200, the No. 3 electric pump oil chamber 300, the No. 4 electric pump oil chamber 400 and the No. 5 electric pump oil chamber 500 and the thin oil pump station 1 are completely consistent;
in the present embodiment, the # 1 electric pump oil chamber 100 is taken as an example:
the oil outlet end of the oil tank 4 of the thin oil pump station 1 is connected with a main oil pipeline 7, the oil return end of the oil tank 4 is connected with an oil return pipeline 8, the other end of the main oil pipeline 7 is connected with a lower end oil duct 11 of the electric pump oil chamber 6, the other end of the oil return pipeline 8 is connected with an upper end oil duct 12 of the electric pump oil chamber 6, an oil pump 3 is arranged on the main oil pipeline 7, a bypass pipeline two 10 is arranged on the oil return pipeline 8, the bypass pipeline two 10 is connected with the micro air compressor 5, and the specific working process is as follows:
s1: when the lubricating oil of the No. 1 electric pump oil chamber 100 needs to be stirred
Closing a second valve 1002 and a fourth valve 1004, opening a first valve 1001, a third valve 1003, a fifth valve 1005 and a sixth valve 1006, opening the oil pump 3, enabling the oil pump motor to rotate positively, and performing oil injection circulation stirring on the No. 1 electric pump oil chamber 100;
s2: when the lubricating oil of the No. 1 electric pump oil chamber 100 needs to be changed
S21: pumping oil to the No. 1 electric pump oil chamber 100: closing a valve I1001 and a valve III 1003, opening a valve II 1002, a valve IV 1004, a valve V1005 and a valve VI 1006, opening the micro air compressor 5, adjusting the pressure of an air outlet to 0.1Mpa, pressurizing the 1# electric pump oil chamber 100, opening the oil pump 3, reversely rotating an oil pump motor, pumping lubricating oil in the 1# electric pump oil chamber 100, and closing the oil pump 3 and the micro air compressor 5 until the pumping is finished;
s22: filling oil into the No. 1 electric pump oil chamber 100: and closing a second valve 1002 and a fourth valve 1004, opening a first valve 1001, a third valve 1003, a fifth valve 1005 and a sixth valve 1006, opening the oil pump 3, enabling the oil pump motor to rotate forwards, filling oil into the 1# electric pump oil chamber 100 until the oil level of the 1# electric pump oil chamber 100 is signaled to reach a limited oil level, and closing the oil pump 3 and all the valves.
The main oil pipeline 7 is provided with a filter 2 on the pipelines of the oil pump 3 and the oil tank 4, and the oil is purified by the filter 2;
a first valve 1001 is arranged on a main oil pipeline 7 of the oil pump 3 and the oil tank 4, and the first valve 1001 controls the on-off of the main oil pipeline 7;
a first bypass pipeline 9 is arranged on the main oil pipeline 7 of the oil pump 3 and the oil tank 4, a second valve 1002 is arranged on the first bypass pipeline 9, and the second valve 1002 controls the first bypass pipeline 9 to be switched on or off;
wherein, the oil return pipeline 8 is provided with a valve III 1003, and the valve III 1003 controls the on-off of the oil return pipeline 8;
a fourth valve 1004 is arranged on the second bypass pipeline 10, and the fourth valve 1004 controls the on-off of the second bypass pipeline 10;
a fifth valve 1005 is arranged on the lower end oil passage 11 of the electric pump oil chamber 6, and the fifth valve 1005 controls the on-off of the lower end oil passage 11;
wherein, the upper end oil duct 12 of the electric pump oil chamber 6 is provided with a valve six 1006, and the valve six 1006 controls the on-off of the upper end oil duct 12.
The sealing between the pipelines of the oil change system of the submersible electric pump can adopt three methods: end face sealing between pipe joints, conical face sealing between pipe joints, welding sealing;
in the scheme, the pipeline of the oil change system of the submersible tubular pump is preferably designed in a mode of combining conical surface sealing and welding sealing, so that the sealing performance, the reliability and the assembling feasibility of the pipeline of the oil change system are ensured.
The oil changing system and the oil chamber wall of the submersible electric pump are sealed only by adopting plane sealing, so that the sealing reliability is ensured, the inner sealing and the outer sealing are carried out by using a rectangular rubber pad, an L-shaped gasket and a nut in the design, and meanwhile, the wall penetrating pipe is in threaded connection when penetrating through the oil chamber wall, so that the wall penetrating pipe and the nut are interlocked, and the situation that the wall penetrating pipe is not loosened due to vibration existing in the starting and running processes of the submersible tubular pump is ensured.
A liquid level sensor is arranged in the electric pump oil chamber 6 so as to monitor the submersible tubular pump oil chamber and ensure that the lubricating oil level meets the specified requirements, and the liquid level sensor is of a floating ball type and can continuously measure the height of the liquid level.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (10)
1. An oil change system of a submersible electric pump comprises a thin oil pump station (1) and a plurality of groups of electric pump oil chambers (6), and is characterized in that the electric pump oil chambers (6) are arranged in parallel with the thin oil pump station (1), so that lubricating oil of the electric pump oil chambers (6) of the submersible tubular pump is intensively pumped by the thin oil pump station (1);
the oil outlet end of the oil tank (4) of the thin oil pump station (1) is connected with a main oil pipe (7), the oil return end of the oil tank (4) is connected with an oil return pipeline (8), the other end of the main oil pipe (7) is connected with a lower end oil duct (11) of the electric pump oil chamber (6), and the other end of the oil return pipeline (8) is connected with an upper end oil duct (12) of the electric pump oil chamber (6).
2. The electric submersible pump oil change system according to claim 1, characterized in that an oil pump (3) is arranged on the main oil line (7).
3. The system for changing the oil of the submersible electric pump according to claim 2, characterized in that the filter (2) is arranged on the main oil pipeline (7) between the oil pump (3) and the oil tank (4).
4. A submersible electric pump oil change system according to claim 3, characterized in that a first valve (1001) is provided on the main oil line (7) between the oil pump (3) and the oil tank (4).
5. The electric submersible pump oil change system according to claim 3, wherein a first bypass pipe (9) is arranged on the main oil pipeline (7) between the oil pump (3) and the oil tank (4), and a second valve (1002) is arranged on the first bypass pipe (9).
6. The electric submersible pump oil change system according to claim 1, characterized in that the oil return line (8) is provided with a valve three (1003).
7. The electric submersible pump oil change system according to claim 6, wherein a second bypass pipeline (10) is arranged on the oil return pipeline (8), and the second bypass pipeline (10) is connected with the micro air compressor (5).
8. The electric submersible pump oil change system according to claim 7, wherein a valve four (1004) is provided on the bypass pipe two (10).
9. The electric submersible pump oil change system according to claim 1, characterized in that a valve five (1005) is provided on the lower end oil passage (11) of the electric pump oil chamber (6).
10. The electric submersible pump oil change system according to claim 1, characterized in that the upper oil gallery (12) of the electric pump oil chamber (6) is provided with a valve six (1006).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111142422.9A CN113847540A (en) | 2021-09-28 | 2021-09-28 | Submersible electric pump oil change system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111142422.9A CN113847540A (en) | 2021-09-28 | 2021-09-28 | Submersible electric pump oil change system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113847540A true CN113847540A (en) | 2021-12-28 |
Family
ID=78980248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111142422.9A Pending CN113847540A (en) | 2021-09-28 | 2021-09-28 | Submersible electric pump oil change system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113847540A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10345130A1 (en) * | 2003-09-26 | 2005-04-21 | Vogel Willi Ag | Aerosol device for lubricating and/or cooling of tools or workpieces has fluid selecting unit with branch from flow path which can be transferred from operating position to bypass position |
| CN101275706A (en) * | 2007-03-29 | 2008-10-01 | 谭朝辉 | Large and middle type electric underwater pump oil chamber automatic oil compensating and changing apparatus |
| CN103225735A (en) * | 2013-05-03 | 2013-07-31 | 南通市南方润滑液压设备有限公司 | Intelligent low-pressure thin oil lubricating device |
| CN204175935U (en) * | 2014-09-22 | 2015-02-25 | 广东韶钢松山股份有限公司 | Oil lubricating system flow equilibrium device |
| CN212203987U (en) * | 2020-04-02 | 2020-12-22 | 安徽车威仕汽车用品有限公司 | Small-size diesel vehicle engine lubrication system cleaning equipment |
| CN113090929A (en) * | 2021-03-30 | 2021-07-09 | 广东韶钢松山股份有限公司 | Rolling mill production line lubricating system and control method thereof |
-
2021
- 2021-09-28 CN CN202111142422.9A patent/CN113847540A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10345130A1 (en) * | 2003-09-26 | 2005-04-21 | Vogel Willi Ag | Aerosol device for lubricating and/or cooling of tools or workpieces has fluid selecting unit with branch from flow path which can be transferred from operating position to bypass position |
| CN101275706A (en) * | 2007-03-29 | 2008-10-01 | 谭朝辉 | Large and middle type electric underwater pump oil chamber automatic oil compensating and changing apparatus |
| CN103225735A (en) * | 2013-05-03 | 2013-07-31 | 南通市南方润滑液压设备有限公司 | Intelligent low-pressure thin oil lubricating device |
| CN204175935U (en) * | 2014-09-22 | 2015-02-25 | 广东韶钢松山股份有限公司 | Oil lubricating system flow equilibrium device |
| CN212203987U (en) * | 2020-04-02 | 2020-12-22 | 安徽车威仕汽车用品有限公司 | Small-size diesel vehicle engine lubrication system cleaning equipment |
| CN113090929A (en) * | 2021-03-30 | 2021-07-09 | 广东韶钢松山股份有限公司 | Rolling mill production line lubricating system and control method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211228 |
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| RJ01 | Rejection of invention patent application after publication |