CN114922811B - Submersible electric pump and installation method thereof - Google Patents
Submersible electric pump and installation method thereof Download PDFInfo
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- CN114922811B CN114922811B CN202111449859.7A CN202111449859A CN114922811B CN 114922811 B CN114922811 B CN 114922811B CN 202111449859 A CN202111449859 A CN 202111449859A CN 114922811 B CN114922811 B CN 114922811B
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- lifting pipe
- electric pump
- sleeve
- component
- lifting
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000009434 installation Methods 0.000 title claims description 29
- 238000001816 cooling Methods 0.000 claims description 24
- 238000005086 pumping Methods 0.000 claims description 18
- 238000012360 testing method Methods 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 6
- 238000009827 uniform distribution Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000011900 installation process Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000003466 welding 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
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/22—Arrangements for enabling ready assembly or disassembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B51/00—Testing machines, pumps, or pumping installations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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 a submerged electric pump and a method for installing the submerged electric pump, wherein the submerged electric pump comprises: multistage pulling pipe parts and sleeves which are connected in series from top to bottom; all the lifting pipe parts are arranged in the sleeve, the lowest stage of the lifting pipe part is connected with the electric pump part, and the uppermost stage of the lifting pipe part is connected with the top cover part fixed to the ground. When the electric pump is installed and lowered, the lifting pipe is installed step by step, and when the electric pump is disassembled, the lifting pipe is pulled and disassembled step by step, so that the disassembly and assembly of the submerged pump can be performed in a small space. The installation process utilizes special tools to ensure that the whole installation process of the submerged electric pump can be simply, safely and efficiently carried out.
Description
Technical Field
The invention relates to a pump and an installation method, in particular to a submerged electric pump and an installation method of the submerged electric pump, which are convenient to install and disassemble and small in maintenance space, and the whole installation process of the submerged electric pump is simple, safe and efficient.
Background
When liquid is pumped and conveyed in low liquid level environment such as pit, well or tank, etc., the submerged electric pump with modular conductive cooling support structure is adopted.
The modularized conductive cooling supporting structure submerged electric pump is adjustable in rod length (submerged depth), insulation resistance measurement, oiling and air pressure test are carried out on a lifting pipe part section by section in the installation process, and the installation, overhaul and disassembly are complex, low in efficiency and certain in danger when the common process is adopted for installation.
Disclosure of Invention
Aiming at the problems, the invention mainly aims to provide the submerged electric pump and the installation method of the submerged electric pump, which are convenient for modular installation, convenient for installation and disassembly, small in maintenance space and simple, safe and efficient in the whole installation process of the submerged electric pump.
The invention solves the technical problems by the following technical proposal: a submersible electric pump, the submersible electric pump comprising: multistage pulling pipe parts and sleeves which are connected in series from top to bottom; all the lifting pipe parts are arranged in the sleeve, the lowest stage of the lifting pipe part is connected with the electric pump part, and the uppermost stage of the lifting pipe part is connected with the top cover part fixed to the ground.
In a specific embodiment of the invention, the lowest part of the top cover part is provided with a first flange connection surface and a first jack in the form of a plug made of a first hollow conductive tube.
In a specific embodiment of the present invention, two ends of the pull tube component are respectively provided with a second flange connection surface and a third flange connection surface, and a first plug and a second jack which are made of a second hollow conductive tube and are in a plugging mode.
In a specific embodiment of the invention, the uppermost part of the electric pump component is provided with a fourth flange connection surface and a second plug in the form of a plug-in connection made of a third hollow conductive tube.
In a specific embodiment of the invention, the top cover part and the uppermost-stage lifting pipe part are connected by adopting a mode of inserting a first jack and a first plug to connect a first hollow conductive pipe and a second hollow conductive pipe, and are connected and supported in a matched manner through a first flange connection surface and a second flange connection surface; the second jack and the second plug are inserted between the pulling pipe part of the lowest stage and the electric pump part to connect the second hollow conductive pipe with the third hollow conductive pipe, and the second hollow conductive pipe is connected and supported by the third flange connection surface and the fourth flange connection surface in a matched manner.
In a specific embodiment of the invention, the sleeve is provided with two layers of support, a first support for fixing the sleeve to the building and a second support for suspending and fixing the pump stack.
The method for installing the submerged electric pump comprises the following steps: the installation method comprises the following steps:
The first step: a mounting sleeve;
and a second step of: installing an electric pump component;
and a third step of: installing a lifting pipe component;
Fourth step: and installing a top cover component.
In a specific embodiment of the invention, the mounting of the electric pump assembly comprises the steps of:
When the electric pump component is installed, a section of lifting pipe component is preassembled, the scribing positions of the lifting pipe component and the electric pump component are aligned, and 4 centering lifting pipe supporting pieces are installed at the lower flange of the lifting pipe component, so that uniform distribution is required, and fasteners are screwed; the pull tube assembly is labeled 1#;
Slowly moving the electric pump part to the central position of the sleeve according to the condition that the lower end of the electric pump part is 0.8-1.5 meters higher than the flange surface of the sleeve, slowly lowering the electric pump part onto a special lifting pipe supporting device, and dismantling the lifting device;
the electric pump component is pre-injected with cooling oil; firstly, measuring the insulation resistance of the lifting pipe part, injecting cooling oil after meeting the requirement, installing an oil pumping and pressurizing tool for air pressure test, removing the oil pumping and pressurizing tool after all the oil pumping and pressurizing tools are normal, performing the installation of the next step, and recording data.
In a specific embodiment of the present invention, the mounting of the pull tube assembly includes the steps of:
According to the condition that the lower end of the lifting pipe part is 0.8-1.2 m higher than the flange surface of the sleeve, slowly moving the lifting pipe part to the central position of the sleeve, slowly lowering, aligning the rough positions of the scribing lines of the lifting pipe parts at the upper end and the lower end when the distance between the three conductive pipes is 3-6cm, aligning the upper positions and the lower positions of the three conductive pipes, slowly lowering a crane by using the centering device, properly rotating the upper flange position when the crane is placed at a flange spigot to be matched with each other, ensuring the alignment of the scribing lines up and down, lowering the crane to the position, penetrating a flange fastening bolt, and finally finishing butt joint of the lifting pipe parts;
After the connection is completed, the lifting pipe supporting device is removed, the electric pump component and the lifting pipe component are slowly lowered until the upper part of the lifting pipe can be supported by the supporting device again, and then the lifting device is removed;
Firstly, measuring the insulation resistance of a lifting pipe part, injecting cooling oil after meeting the requirement, installing an oil pumping and pressurizing tool for air pressure test, removing the oil pumping and pressurizing tool after all parts are normal, performing the installation of the next step, and recording data;
The aim of the installation oil pumping and pressing tool for air pressure test is that: the rod length of the lifting pipe part is longer, the air quantity required by the air pressure test is more, and the pressure maintaining is not good; the air pressure test is carried out after the cooling oil is injected, so that the air quantity required can be reduced, and the pressure maintaining is convenient;
According to the operation, 3#, 4#, 5# … … are installed until the nth section of the lifting pipe component, the lifting pipe component with single number or double number is installed at the lower flange of the lifting pipe component, 4 centering lifting pipe supporting pieces are required to be uniformly distributed, fasteners are required to be screwed, and other lifting pipe components with different numbers are not required to be installed.
In a specific embodiment of the present invention, installing the cover member includes the steps of:
slowly moving the top cover part to the central position of the sleeve according to the condition that the lower end of the top cover part is 0.8-1.5 meters higher than the flange surface of the sleeve, slowly lowering the top cover part to finish the butt joint of the top cover part and the pulling pipe part, and checking whether the score lines of the top cover part are consistent with those of the pulling pipe part;
lifting the whole pump, finely adjusting the whole pump to enable the bottom guide block to enter the guide groove, then placing the bottom guide block down, loading and tightening the fastening piece of the top cover plate and the sleeve flange, and checking whether the top cover part score line is consistent with the sleeve score line;
And the cable connector is connected with the power transmission cable of the submersible pump, so that the cable connector is firmly connected, and the fastener is screwed.
The invention has the positive progress effects that: the submerged pump and the method for installing the submerged pump provided by the invention have the following advantages: the submerged pump is installed in a modularized manner by utilizing the tool, is convenient to install and detach, has small overhaul space, and ensures that the whole installation process of the submerged pump can be simply, safely and efficiently carried out.
Drawings
Fig. 1-1 is a schematic diagram of the upper half of the overall structure of the present invention.
Fig. 1-2 are lower part schematic views of the overall structure schematic of the present invention.
Fig. 2-1 is a partial schematic view of fig. 1-1.
Fig. 2-2 is a partial schematic view of fig. 1-2.
FIG. 3 is a schematic view of the installation of the components of the electric pump of the present invention
Fig. 4 is a schematic view of the installation of the pull tube assembly of the present invention.
Fig. 5 is a schematic view of the installation of the cover member of the present invention.
FIG. 6 is a schematic diagram of the installation of the pumping and pressurizing tool of the present invention.
Fig. 7-1 is a front view of a schematic structural view of a pull tube support.
Fig. 7-2 is a top view of a schematic structural view of a riser support.
Fig. 8 is a schematic view of the structure of the guide block and the guide groove portion.
Fig. 9-1 is a front view of the pull tube support device.
Fig. 9-2 is a top view of the pull tube support device.
The following are names corresponding to the reference numerals in the present invention:
the top cover member 100, the first flange connection face 130, the first hollow conductive tube 101, the first receptacle 120;
The pulling pipe component 200, the second flange connection surface 230, the third flange connection surface 231, the second hollow conductive pipe 201, the first plug 221, the second jack 220 and the second jack 220;
The electric pump component 300, the fourth flange connection surface 330, the third hollow conductive tube 301, the second plug 320, the fourth flange connection surface 330;
a sleeve 400, a first support 401, a second support 402;
a pulling pipe supporting piece 500, a supporting rod 501 and a supporting head 502;
a conductive tube 600;
A guide block 701 and a guide groove 702;
A pull tube support device 900, a support plate 901, a connecting plate 902, and a fastener 903.
Detailed Description
The following description of the preferred embodiments of the present invention is given with reference to the accompanying drawings, so as to explain the technical scheme of the present invention in detail.
Fig. 1-1 is a schematic diagram of an upper half of an overall structure of the present invention, fig. 1-2 is a schematic diagram of a lower half of the overall structure of the present invention, fig. 2-1 is a partial schematic diagram of fig. 1-1, and fig. 2-2 is a partial schematic diagram of fig. 1-2, as shown in the above-mentioned drawings, the submersible pump provided by the present invention comprises: a plurality of stages of pulling pipe parts 200 and sleeves 400 connected in series from top to bottom; all of the pull tube members 200 are mounted within the sleeve 400, with the lowermost stage of the pull tube members 200 being connected to the electric pump member 300 and the uppermost stage of the modular pull tube members 200 being connected to the roof member 100 secured to the ground.
The modular electrically conductive cooling support structure submersible pump comprises a top cover member 100, the lowermost portion of the top cover member 100 being provided with a first flanged connection surface 130, and a first receptacle 120 in the form of a socket made of a first hollow electrically conductive tube 101.
The submerged electric pump of the modular conductive cooling support structure further comprises a pulling pipe part 200, wherein two ends of the pulling pipe part are respectively provided with a second flange connection surface 230 and a third flange connection surface 231, and a first plug 221 and a second plug hole 220 which are made of a second hollow conductive pipe 201 and are in a plug-in connection mode.
The modular electrically conductive cooling support structure submersible electric pump further comprises an electric pump component 300, the uppermost part of which is provided with a fourth flanged connection surface 330, and a second plug 320 in the form of a socket made of a third hollow electrically conductive tube 301.
The top cover part 100 and the uppermost-stage pulling pipe part 200 are connected with the first hollow conductive pipe 101 and the second hollow conductive pipe 201 in a way of inserting the first insertion hole 120 and the first plug 221, and are connected and supported in a matched manner through the first flange connection surface 130 and the second flange connection surface 230; the second jack 220 and the second plug 320 are inserted between the pull pipe component 200 of the lowest stage and the electric pump component 300 to connect the second hollow conductive pipe 201 and the third hollow conductive pipe 301, and simultaneously, the second hollow conductive pipe and the third hollow conductive pipe are in matched connection and support with the fourth flange connection surface 330 through the third flange connection surface 231.
The modular electrically conductive cooling support structure submersible pump further comprises a sleeve 400, the sleeve 400 being provided with two layers of support, a first support 401 for securing the sleeve to a building and a second support 402 for suspending and securing the pump stack.
Fig. 3 is a schematic view of the installation of the components of the electric pump of the present invention, as shown in fig. 3: when the electric pump component is installed, a section of lifting pipe component 200 is preassembled, the scribing positions of the lifting pipe component and the electric pump component are aligned, 4 centering lifting pipe supporting pieces 500 are installed at the lower flange of the lifting pipe component, uniform distribution is required, and fasteners are screwed; the pull tube assembly is labeled 1#.
The pull tube support 500 is composed of a support rod 501 and a support head 502, as shown in fig. 7-1 and 7-2. When the lifting pipe parts are connected, the lifting pipe supporting parts are penetrated on the flange fastening bolts and screwed by nuts, and 4 centering lifting pipe supporting parts are installed, so that uniform distribution is required. Mounting the pull tube support reduces vibration of the pull tube assembly during pump operation.
The lifting device (such as the topmost lifting screw C in fig. 3) is removed by slowly moving the electric pump component to the center of the sleeve, and then slowly lowering it onto the pull-up tube support device 900, with the lower end of the electric pump component being about 1 meter above the flange surface of the sleeve. The pull tube support device 900, see fig. 9-1 and 9-2, includes a support plate 901, a connection plate 902. The lifting pipe supporting device is formed by connecting a supporting part 901 (whole welding piece) and a connecting plate 902 by using a fastener 903, and when the electric pump part and the lifting pipe part are lifted, the flange on the lifting pipe is clamped on the supporting plate of the supporting part for limiting and supporting as shown in figures 9-1 and 9-2.
The electric pump component is pre-filled with cooling oil. Firstly, measuring the insulation resistance of the lifting pipe part, injecting cooling oil after meeting the requirement, installing an oil pumping and pressurizing tool (see figure 6) for air pressure test, removing the oil pumping and pressurizing tool after all is normal, performing the installation of the next step, and recording data.
Fig. 4 is a schematic view of the installation of the pull tube assembly of the present invention. The steps of installing the pull tube assembly are as follows: according to the condition that the lower end of the lifting pipe part 200 is higher than the flange surface of the sleeve by about 1 meter, slowly moving the lifting pipe part to the central position of the sleeve, slowly lowering the sleeve, ensuring that when three hollow conductive pipes (three conductive pipes in the lifting pipe part are used as power wires for supplying power to an electric pump, each conductive pipe 600 is arranged in an independent protection pipe to play an insulating effect, and three pipes are distributed with a certain distance.) are about 5cm away, aligning the rough positions of the score lines of the lifting pipe parts at the upper end and the lower end (the score line positions of the lifting pipe part are marked as A in figures 3 and 4 and the score line positions of the electric pump part are marked as B) and enabling the upper position and the lower position of the three conductive pipes to be consistent, then, righting the crane to slowly lower the crane, ensuring that the upper flange position can be properly rotated when the three conductive pipes are to be mutually matched when the flange rabbets are to be placed, ensuring that the score lines are aligned up and down, then lowering the crane to be placed in place, and fastening bolts of the flange, and finally completing the butt joint of the lifting pipe parts, as shown in the following figure 4; the pull tube assembly is labeled 2#.
After the connection is completed, the lifting pipe supporting device is removed, the electric pump component and the lifting pipe component are slowly lowered until the upper part of the lifting pipe can be supported by the supporting device again, and then the lifting device is removed, as shown in the following figure 4.
Firstly, measuring insulation resistance of three conductive pipes, injecting cooling oil (the cooling oil is injected into a cooling oil channel of a lifting pipe part) after meeting the requirement, installing an oil pumping and pressurizing tool for air pressure test, removing the oil pumping and pressurizing tool after all the tools are normal, performing the installation of the next step, and recording data.
The rod length of the lifting pipe part is longer, the air quantity required by the air pressure test is more, and the pressure maintaining is not good. The air pressure test is carried out after the cooling oil is injected, so that the air quantity required can be reduced, and the pressure maintaining is convenient.
According to the operation, 3#, 4#, 5# … … are installed until the nth section of the lifting pipe component, the lifting pipe components with singular numbers (such as 3#, 5#, 7# … …) are installed at the lower flange of the lifting pipe component, 4 centering lifting pipe supporting pieces are required to be uniformly distributed, fasteners are required to be screwed, and other lifting pipe components with the numbers are not required to be installed, as shown in fig. 4; the odd numbered lifting pipe components are provided with the lifting pipe supporting pieces, namely the lifting pipe supporting pieces are arranged at intervals of 1 section of lifting pipe components, and the vibration effect of the lifting pipe components is better when the pump is operated. The installation of a pull tube support on each segment of pull tube member increases the number of parts and weight, and is unnecessary.
Fig. 5 is a schematic view of the installation of the cover member of the present invention, with the steps of installing the cover member 100 as follows: according to the condition that the lower end of the top cover part is higher than the flange surface of the sleeve by about 1 meter, the top cover part is slowly moved to the central position of the sleeve, then slowly lowered, the butt joint of the top cover part and the pulling pipe part is completed, and whether the score lines of the top cover part are consistent with those of the pulling pipe part or not is checked, as shown in fig. 5.
Lifting the pump as a whole, trimming the bottom guide block 701 into the guide slot 702, lowering it (see fig. 8), loading and tightening the top cover plate and sleeve flange fasteners, checking if the top cover part score line (E in fig. 5) coincides with the sleeve score line location (F in fig. 5), as shown in fig. 5 below; and the cable connector is connected with the power transmission cable of the submersible pump, so that the cable connector is firmly connected, and the fastener is screwed.
FIG. 6 is a schematic diagram of the installation of the pumping and pressurizing tool of the present invention. As shown in fig. 6: the oil pumping and pressurizing tool can meet the functions of air pressure test and cooling oil extraction of the submerged electric pump lifting pipe component. In the air pressure test, the A direction is a high-pressure air filling port; when cooling oil is extracted, the direction A in FIG. 6 is a high-pressure gas filling port, the direction B in FIG. 6 is a cooling oil outlet port, and the outlet plug is required to be taken out before oil discharge.
The installation process of the modularized conductive cooling supporting structure submerged electric pump provided by the invention has the advantages that the main components are installed in a modularized manner by utilizing special tools, the installation and the disassembly are convenient, the overhaul space is small, and the whole installation process of the submerged electric pump can be simply, safely and efficiently carried out.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the invention, and that various changes and modifications may be effected therein without departing from the spirit and scope of the invention as defined in the appended claims and their equivalents.
Claims (1)
1. The method for installing the submerged electric pump comprises the following steps: the method is characterized in that: the installation method comprises the following steps:
The first step: a mounting sleeve;
and a second step of: installing an electric pump component;
and a third step of: installing a lifting pipe component;
Fourth step: installing a top cover component;
The mounting of the electric pump component comprises the following steps:
When the electric pump component is installed, a section of lifting pipe component is preassembled, the scribing positions of the lifting pipe component and the electric pump component are aligned, and 4 centering lifting pipe supporting pieces are installed at the lower flange of the lifting pipe component, so that uniform distribution is required, and fasteners are screwed; the pull tube assembly is labeled 1#;
Slowly moving the electric pump part to the central position of the sleeve according to the condition that the lower end of the electric pump part is 0.8-1.5 meters higher than the flange surface of the sleeve, slowly lowering the electric pump part onto a special lifting pipe supporting device, and dismantling the lifting device;
the electric pump component is pre-injected with cooling oil; firstly, measuring the insulation resistance of a lifting pipe part, injecting cooling oil after meeting the requirement, installing an oil pumping and pressurizing tool for air pressure test, removing the oil pumping and pressurizing tool after all parts are normal, performing the installation of the next step, and recording data;
The mounting of the pull tube assembly comprises the steps of:
According to the condition that the lower end of the lifting pipe part is 0.8-1.2 m higher than the flange surface of the sleeve, slowly moving the lifting pipe part to the central position of the sleeve, slowly lowering, aligning the rough positions of the scribing lines of the lifting pipe parts at the upper end and the lower end when the distance between the three conductive pipes is 3-6cm, aligning the upper positions and the lower positions of the three conductive pipes, slowly lowering a crane by using the centering device, properly rotating the upper flange position when the crane is placed at a flange spigot to be matched with each other, ensuring the alignment of the scribing lines up and down, lowering the crane to the position, penetrating a flange fastening bolt, and finally finishing butt joint of the lifting pipe parts;
After the connection is completed, the lifting pipe supporting device is removed, the electric pump component and the lifting pipe component are slowly lowered until the upper part of the lifting pipe can be supported by the supporting device again, and then the lifting device is removed;
Firstly, measuring the insulation resistance of a lifting pipe part, injecting cooling oil after meeting the requirement, installing an oil pumping and pressurizing tool for air pressure test, removing the oil pumping and pressurizing tool after all parts are normal, performing the installation of the next step, and recording data;
The aim of the installation oil pumping and pressing tool for air pressure test is that: the rod length of the lifting pipe part is longer, the air quantity required by the air pressure test is more, and the pressure maintaining is not good; the air pressure test is carried out after the cooling oil is injected, so that the air quantity required can be reduced, and the pressure maintaining is convenient;
according to the operation, 3#, 4#, 5# … … to nth sections of lifting pipe parts are installed, 4 centering lifting pipe supporting pieces are installed at the lower flange of the lifting pipe part, uniform distribution is required, fasteners are screwed, and other lifting pipe parts with different numbers are not required to be installed;
the mounting of the cover member includes the steps of:
slowly moving the top cover part to the central position of the sleeve according to the condition that the lower end of the top cover part is 0.8-1.5 meters higher than the flange surface of the sleeve, slowly lowering the top cover part to finish the butt joint of the top cover part and the pulling pipe part, and checking whether the score lines of the top cover part are consistent with those of the pulling pipe part;
lifting the whole pump, finely adjusting the whole pump to enable the bottom guide block to enter the guide groove, then placing the bottom guide block down, loading and tightening the fastening piece of the top cover plate and the sleeve flange, and checking whether the top cover part score line is consistent with the sleeve score line;
And the cable connector is connected with the power transmission cable of the submersible pump, so that the cable connector is firmly connected, and the fastener is screwed.
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| CN202111449859.7A CN114922811B (en) | 2021-11-30 | 2021-11-30 | Submersible electric pump and installation method thereof |
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| CN202111449859.7A CN114922811B (en) | 2021-11-30 | 2021-11-30 | Submersible electric pump and installation method thereof |
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| CN114922811A CN114922811A (en) | 2022-08-19 |
| CN114922811B true CN114922811B (en) | 2024-05-14 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2861561Y (en) * | 2005-09-21 | 2007-01-24 | 天津加马机械厂 | Submersible oil pump |
| CN101298870A (en) * | 2008-05-19 | 2008-11-05 | 宁波巨神制泵实业有限公司 | Method for mounting large-scale electric underwater pump |
| KR200449653Y1 (en) * | 2009-05-15 | 2010-07-28 | 신우중공업주식회사 | Underwater moter pump equipment |
| CN201650779U (en) * | 2010-03-24 | 2010-11-24 | 天津加马机械厂 | Submersible pump for quickly transporting oil |
| CN105889135A (en) * | 2015-02-18 | 2016-08-24 | 苏尔寿管理有限公司 | Suppressing device for a vertical pump, vertical pump and method for retrofitting a vertical pump |
| CN109595181A (en) * | 2019-01-16 | 2019-04-09 | 上海凯泉泵业（集团）有限公司 | A kind of modularization conduction cooling support structure subduction electric pump |
| KR102000563B1 (en) * | 2019-01-30 | 2019-07-16 | 제일기계공업주식회사 | Underwater pump with float prevention pipe |
| CN110107221A (en) * | 2019-06-04 | 2019-08-09 | 常州骏铎机械制造有限公司 | A kind of ultra-large aperture pore-forming equipment and method suitable for complex geological condition |
| KR102025102B1 (en) * | 2019-03-19 | 2019-09-25 | 이강주 | in-water pump facility in column type |
| CN212296274U (en) * | 2020-04-19 | 2021-01-05 | 潘烁 | Multi-section type drill rod splicing and centering mechanism |
-
2021
- 2021-11-30 CN CN202111449859.7A patent/CN114922811B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2861561Y (en) * | 2005-09-21 | 2007-01-24 | 天津加马机械厂 | Submersible oil pump |
| CN101298870A (en) * | 2008-05-19 | 2008-11-05 | 宁波巨神制泵实业有限公司 | Method for mounting large-scale electric underwater pump |
| KR200449653Y1 (en) * | 2009-05-15 | 2010-07-28 | 신우중공업주식회사 | Underwater moter pump equipment |
| CN201650779U (en) * | 2010-03-24 | 2010-11-24 | 天津加马机械厂 | Submersible pump for quickly transporting oil |
| CN105889135A (en) * | 2015-02-18 | 2016-08-24 | 苏尔寿管理有限公司 | Suppressing device for a vertical pump, vertical pump and method for retrofitting a vertical pump |
| CN109595181A (en) * | 2019-01-16 | 2019-04-09 | 上海凯泉泵业（集团）有限公司 | A kind of modularization conduction cooling support structure subduction electric pump |
| KR102000563B1 (en) * | 2019-01-30 | 2019-07-16 | 제일기계공업주식회사 | Underwater pump with float prevention pipe |
| KR102025102B1 (en) * | 2019-03-19 | 2019-09-25 | 이강주 | in-water pump facility in column type |
| CN110107221A (en) * | 2019-06-04 | 2019-08-09 | 常州骏铎机械制造有限公司 | A kind of ultra-large aperture pore-forming equipment and method suitable for complex geological condition |
| CN212296274U (en) * | 2020-04-19 | 2021-01-05 | 潘烁 | Multi-section type drill rod splicing and centering mechanism |
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