CN212510513U - System assembly of marine electric pump - Google Patents
System assembly of marine electric pump Download PDFInfo
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- CN212510513U CN212510513U CN202020836857.8U CN202020836857U CN212510513U CN 212510513 U CN212510513 U CN 212510513U CN 202020836857 U CN202020836857 U CN 202020836857U CN 212510513 U CN212510513 U CN 212510513U
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Abstract
The utility model provides a system assembly of marine electric pump, belong to liquid pumping equipment field, including tubing pump sunction inlet pipeline and gleitbretter pump sunction inlet pipeline, the lower part of tubing pump sunction inlet pipeline is equipped with the branch, is equipped with electronic immersed pump on the branch, and the lower extreme of tubing pump sunction inlet pipeline is equipped with the bottom valve, and bottom valve and electronic immersed pump all correspond the setting of marine liquid tank bottom, and the bottom valve is the check valve that only opens to the inside of tubing pump sunction inlet pipeline, and the upper portion of electronic immersed pump communicates with the input of explosion-proof tubing pump, and the output of explosion-proof tubing pump communicates with the oil collecting pipe; the upper end that the gleitbretter pump was inhaled stretches out the ship deck setting and communicates with the input of vacuum gleitbretter pump, and the output and the oil collecting pipe intercommunication of vacuum gleitbretter pump set up. The utility model discloses an among the suction line of malleation transport liquid to explosion-proof pipeline pump, when thoroughly having solved negative pressure transport liquid, the air resistance problem of production is with low costs moreover, and power is big.
Description
Technical Field
The utility model belongs to liquid pumping equipment field relates to the system assembly who carries liquid charge pump, especially relates to a system assembly of marine charge pump.
Background
At present, the transportation of the liquid for the ship usually adopts two electric pumps, the first electric pump adopts an explosion-proof pipeline pump to discharge the liquid in the ship, the liquid is conveyed by utilizing the principle of negative pressure self-suction of the explosion-proof pipeline pump, namely, the liquid is sucked into the explosion-proof pipeline pump by the negative pressure generated after the operation of the explosion-proof pipeline pump, and then conveyed to a storage device on a port after the pressurization in the pipeline pump, the liquid conveyed by adopting the explosion-proof pipeline pump for the ship has the advantages of low manufacturing cost and easy maintenance, the main defect is that the suction stroke of the explosion-proof pipeline pump for the ship is very small, the explosion-proof pipeline pump for the ship cannot be directly arranged on a deck of the ship, a separate pump cabin is required, the explosion-proof pipeline pump for the ship is arranged at the bottom of the pump cabin of the ship, on the one hand, the pump cabin of the ship occupies valuable effective space, and the maintenance is very inconvenient, and particularly, when oil or chemicals are conveyed, the, the second electric pump adopts a marine ultra-large submersible electric pump, also called a liquid cargo pump, the pump is installed in a liquid tank, and liquid is directly pushed to a storage device on a port by pressurizing the bottom of the tank by utilizing the principle of positive pressure pushing.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide a system assembly of marine charge pump has realized during the malleation carried liquid to the suction line of explosion-proof pipeline pump, when thoroughly having solved negative pressure and carried liquid, the air-resistor problem of production, and is with low costs moreover, and power is big.
In order to solve the technical problem, the utility model discloses a technical scheme is: a system assembly of a marine electric pump comprises a pipeline pump suction inlet pipeline and a sliding vane pump suction inlet pipeline, wherein a branch is arranged at the lower part of the pipeline pump suction inlet pipeline, an electric immersed pump is arranged on the branch, a bottom valve is arranged at the lower end of the pipeline pump suction inlet pipeline, the bottom valve and the electric immersed pump are both arranged corresponding to the bottom of a liquid tank in a ship, the bottom valve is a one-way valve which is opened only to the interior of the pipeline pump suction inlet pipeline, the upper part of the pipeline pump suction inlet pipeline extends out of a ship deck and is communicated with the input end of an explosion-proof pipeline pump, and the output end of the explosion-proof pipeline pump is communicated with an oil collecting pipeline;
the lower extreme of gleitbretter pump sunction inlet pipeline corresponds the inboard liquid tank bottom setting, and the upper end stretches out the ship deck setting and communicates with the input of vacuum gleitbretter pump, the output and the oil collecting pipe intercommunication setting of vacuum gleitbretter pump.
Further, the electric immersed pump is a low-power electric immersed pump, and the power of the electric immersed pump is less than 12 KW.
Furthermore, the inner diameter of the pipeline at the suction inlet of the pipeline pump is larger than that of the pipeline at the suction inlet of the sliding vane pump.
Further, the pipeline pump suction inlet pipeline and the sliding vane pump suction inlet pipeline are both vertically arranged, and the pipeline pump suction inlet pipeline and the sliding vane pump suction inlet pipeline are integrally made of carbon steel, stainless steel or UPVC materials.
Further, the bottom of the liquid tank in the ship is arc-shaped, a first avoidance hole is formed in the position, corresponding to the pipeline of the suction inlet of the pipeline pump, of the upper end of the ship deck, and a second avoidance hole is formed in the position, corresponding to the pipeline of the suction inlet of the sliding vane pump, of the upper end of the ship deck.
Further, the pumped liquid is gasoline, diesel oil, kerosene, methanol or ethanol.
Compared with the prior art, the utility model has the advantages and positive effect as follows.
1. The utility model provides a marine immersed pump system assembly, which utilizes a low-power electric immersed pump to realize positive pressure liquid conveying to a suction pipeline of an explosion-proof pipeline pump, and thoroughly solves the problem of air resistance generated when negative pressure liquid conveying is carried out;
2. meanwhile, the design structure of the additional bottom valve is effectively combined with the explosion-proof pipeline pump of the negative pressure oil transportation equipment, so that the advantages of large flow, high lift, simple structure, low cost and high power of the explosion-proof pipeline pump are exerted;
3. by adopting the two measures, the explosion-proof pipeline pump can be directly installed on the ship deck, the original ship pump cabin is removed, and the beneficial effects of no air resistance, high efficiency and quick liquid conveying are achieved.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural diagram of a system assembly of a marine electric pump according to the present invention.
Reference numerals:
1. the bottom of the liquid tank in the ship; 2. a bottom valve; 3. an electric immersed pump; 4. a tubing pump suction inlet tubing; 5. a ship deck; 51. A first avoiding hole; 52. a second avoiding hole; 6. an explosion-proof pipeline pump; 7. an oil collecting pipe; 8. a vacuum sliding vane pump; 9. the sliding vane pump is sucked into the pipeline.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected 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 through specific situations.
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1, the utility model relates to a system assembly of marine electric pump, including pipeline pump sunction inlet pipeline 4 and gleitbretter pump sunction inlet pipeline 9, the lower part of pipeline pump sunction inlet pipeline 4 is equipped with the branch, be equipped with electronic immersed pump 3 on the branch, the lower extreme of pipeline pump sunction inlet pipeline 4 is equipped with bottom valve 2, bottom valve 2 and electronic immersed pump 3 all correspond the setting of marine liquid tank bottom 1, bottom valve 2 is the check valve that only opens to pipeline pump sunction inlet pipeline 4 inside, the upper portion of pipeline pump sunction inlet pipeline 4 stretches out the setting of deck 5 and communicates with the input of explosion-proof pipeline pump 6, the output of explosion-proof pipeline pump 6 communicates with collecting oil pipe 7; the lower end of a suction inlet pipeline 9 of the sliding vane pump is arranged corresponding to the bottom 1 of a liquid tank in a ship, the upper end of the suction inlet pipeline 9 extends out of a ship deck 5 and is communicated with the input end of a vacuum sliding vane pump 8, the output end of the vacuum sliding vane pump 8 is communicated with an oil collecting pipeline 7, and a pipeline explosion pump can be directly installed on the ship deck 5, so that an original ship pump cabin is removed, and the beneficial effects of no air resistance, high efficiency and rapid liquid conveying are achieved; meanwhile, the design structure of the additional bottom valve 2 is effectively combined with the explosion-proof pipeline pump 6 of the negative-pressure oil transportation equipment, and the advantages of large flow, high lift, simple structure, low cost and high power of the explosion-proof pipeline pump 6 are exerted.
Preferably, the electric immersed pump is a low-power electric immersed pump 3, the power of the electric immersed pump is smaller than 12KW, the energy consumption is low, and the energy-saving and environment-friendly effects are achieved.
Preferably, the internal diameter of tubing pump sunction inlet pipeline 4 is greater than the internal diameter setting of gleitbretter pump sunction inlet pipeline 9, guarantees the speed of pump sending, guarantees the clearance in-process simultaneously, and the stability of pump sending clearance, at the in-process of clearance, liquid flow is less, uses less pipe diameter, is difficult to appear intraductal deficit serious, the problem of noise production.
Preferably, the pipeline pump suction inlet pipeline 4 and the sliding vane pump suction inlet pipeline 9 are both vertically arranged, the transmission stability is guaranteed, the pipeline pump suction inlet pipeline 4 and the sliding vane pump suction inlet pipeline 9 are made of carbon steel, stainless steel or UPVC materials integrally, the chemical performance is stable, and the service life is long.
Preferably, liquid tank bottom 1 is the arc in the ship, makes things convenient for the preparation of liquid tank, also is favorable to the collection and the pump sending of liquid, and the position that the upper end of deck 5 and pipeline pump suction inlet pipeline 4 correspond is equipped with first aversion hole 51, and the position that the upper end of deck 5 and gleitbretter pump suction inlet pipeline 9 correspond is equipped with second aversion hole 52, sets up first aversion hole 51 and second aversion hole 52 after, avoids pipeline pump suction inlet pipeline 4 and gleitbretter pump suction inlet pipeline 9 to interfere with deck 5.
Preferably, the liquid to be pumped is a low viscosity liquid, such as gasoline, diesel, kerosene, methanol or ethanol, and there is no strict limit to the degree of viscosity, and generally it is only a customary practice to say high or low. The viscosity is substantially higher than 2500mPa.s or 104mPa's, and hereinafter, the viscosity is referred to as low viscosity. In some cases, the viscosity is reduced to 100 mPas, and a medium viscosity is distinguished from the low viscosity. Since the low-viscosity and medium-viscosity liquids do not greatly differ in flow state upon stirring, they are collectively referred to as low-viscosity liquids to be distinguished from high-viscosity liquids. The same is said to be true with respect to the highest viscosity range for which the liquid stirring devices commonly used today are suitable. It is considered that 2 X105mPas or less is preferable, and 1 X106mPas is also preferable. These statements are not to mention other indications and are therefore to be understood only as a rough range.
In the actual working process, the structure of the submersible pump is that the submersible pump is arranged in a cabin liquid tank and submerged in liquid, so that an original submersible pump 6 of the explosion-proof pipeline pump utilizes negative pressure to absorb liquid to change a suction system into positive pressure filling liquid of the submersible pump for the ship from positive pressure push type liquid supply to the submerged submersible pump for the ship submerged pump submerged in liquid, namely, at the beginning, a bottom valve 2 in the submersible pump for the ship is in a closed state to fill liquid into a suction pipeline of the explosion-proof pipeline pump 6, at the moment, all liquid in the suction pipeline of the explosion-proof pipeline pump 6 is positive pressure push liquid, the explosion-proof pipeline pump 6 is not required to generate negative pressure to suck liquid, when the suction pipeline is filled with liquid, the explosion-proof pipeline pump 6 is started to work, when the explosion-proof pipeline pump 6 is filled with liquid, strong negative pressure can be generated, the bottom valve 2 which is closed in the submerged pump for the ship is opened, and the liquid passes through an annular outer flow passage and a small flow passage, co-transporting the liquid.
A working method of a system assembly of a marine electric pump comprises the following steps of S1, starting a low-power electric immersed pump 3, starting positive pressure liquid conveying, enabling liquid to enter a pipeline pump suction inlet pipeline 4 through an inlet of a low-power electric immersed pump 3 flow channel and an infusion outlet of the low-power electric immersed pump 3 flow channel, performing pipeline liquid injection, and eliminating air resistance in the pipeline pump suction inlet pipeline 4; at the moment, the bottom valve 2 at the inlet of the pipeline 4 of the suction inlet of the pipeline pump is pressed and closed by the injected liquid, so that the liquid is prevented from flowing back to the liquid tank in the ship;
s2, after the pipeline 4 is filled with liquid at the pipeline pump suction inlet, the explosion-proof pipeline pump 6 is started; at the moment, a large negative pressure is generated in the pipeline 4 of the pipeline pump suction inlet, and the negative pressure is transmitted to the bottom valve 2 at the inlet of the pipeline 4 of the pipeline pump suction inlet through the pipeline 4 of the pipeline pump suction inlet;
s3, when the negative pressure generated by the explosion-proof pipeline pump 6 reaches the pre-designed negative pressure opening point of the bottom valve 2, the negative pressure opening point is automatically opened, the negative pressure opening point of the bottom valve 2 can be set according to the actual situation, and the timely and continuous supply and suction of liquid are ensured;
s4, at the moment, liquid in the liquid tank in the ship enters the suction inlet of the explosion-proof pipeline pump 6 through the pipeline pump suction inlet pipeline 4 and the opened bottom valve 2, is pressurized by the explosion-proof pipeline pump 6 and then is conveyed into the oil collecting pipeline 7;
and S5, in the following operation time period, the liquid is conveyed through the flow channel of the pipeline pump suction inlet pipeline 4 and the flow channel of the submersible pump at a low power point.
And S6, finally, starting the vacuum sliding vane pump 8 to carry out the operation of cleaning the bin and sweeping the bottom oil at the end.
The work of this application structure is realized according to above step strictly, has reached the beneficial effect that does not have the air resistance, high efficiency and quick transport liquid, simple structure moreover, with low costs.
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 considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (6)
1. A system assembly for a marine electric pump, comprising: the pipeline pump anti-explosion pipeline pump comprises a pipeline pump suction inlet pipeline and a sliding vane pump suction inlet pipeline, wherein a branch is arranged at the lower part of the pipeline pump suction inlet pipeline, an electric immersed pump is arranged on the branch, a bottom valve is arranged at the lower end of the pipeline pump suction inlet pipeline, the bottom valve and the electric immersed pump are both arranged corresponding to the bottom of a liquid tank in a ship, the bottom valve is a one-way valve which is opened only to the interior of the pipeline pump suction inlet pipeline, the upper part of the pipeline pump suction inlet pipeline extends out of a ship deck and is communicated with the input end of an anti-explosion pipeline pump, and the output end of the anti-explosion;
the lower extreme of gleitbretter pump sunction inlet pipeline corresponds the inboard liquid tank bottom setting, and the upper end stretches out the ship deck setting and communicates with the input of vacuum gleitbretter pump, the output and the oil collecting pipe intercommunication setting of vacuum gleitbretter pump.
2. The system assembly of electric marine pump of claim 1, wherein: the electric immersed pump is a low-power electric immersed pump, and the power of the electric immersed pump is less than 12 KW.
3. The system assembly of electric marine pump of claim 1, wherein: the inner diameter of the pipeline at the suction inlet of the pipeline pump is larger than that of the pipeline at the suction inlet of the sliding vane pump.
4. The system assembly of electric marine pump of claim 1, wherein: the pipeline pump suction inlet pipeline and the sliding vane pump suction inlet pipeline are both vertically arranged, and the pipeline pump suction inlet pipeline and the sliding vane pump suction inlet pipeline are integrally made of carbon steel, stainless steel or UPVC (unplasticized polyvinyl chloride) materials.
5. The system assembly of a marine electric pump according to any one of claims 1 to 4, wherein: the bottom of the liquid tank in the ship is arc-shaped, a first avoidance hole is formed in the position, corresponding to the pipeline pump suction inlet pipeline, of the upper end of the ship deck, and a second avoidance hole is formed in the position, corresponding to the pipeline pump suction inlet pipeline, of the upper end of the ship deck.
6. The system assembly of a marine electric pump according to any one of claims 1 to 4, wherein: the pumped liquid is gasoline, diesel oil, kerosene, methanol or ethanol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020836857.8U CN212510513U (en) | 2020-05-18 | 2020-05-18 | System assembly of marine electric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020836857.8U CN212510513U (en) | 2020-05-18 | 2020-05-18 | System assembly of marine electric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212510513U true CN212510513U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020836857.8U Active CN212510513U (en) | 2020-05-18 | 2020-05-18 | System assembly of marine electric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212510513U (en) |
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2020
- 2020-05-18 CN CN202020836857.8U patent/CN212510513U/en active Active
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