CN102562614B - Non-blocking double-channel pump with large particles - Google Patents
Non-blocking double-channel pump with large particles Download PDFInfo
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- CN102562614B CN102562614B CN201210015564.3A CN201210015564A CN102562614B CN 102562614 B CN102562614 B CN 102562614B CN 201210015564 A CN201210015564 A CN 201210015564A CN 102562614 B CN102562614 B CN 102562614B
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- impeller
- outer sleeve
- annular pass
- submersible motor
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Abstract
The invention discloses a non-blocking double-channel pump with large particles. The non-blocking double-channel pump comprises a pump outer sleeve, a dual-axle submersible motor arranged in the pump outer sleeve, a main impeller and an auxiliary impeller; the main impeller and the auxiliary impeller are respectively connected onto the two ends of the dual-axle submersible motor; an inner annular channel is arranged between the pump outer sleeve and the dual-axle submersible motor; an outer annular channel is arranged at the outer side of the pump outer sleeve, and a communication section is arranged between the inner annular channel and the outer annular channel at one end near the main impeller and one end near the auxiliary impeller. The non-blocking double-channel pump, disclosed by the invention, has the advantages of compact structure, lower cost, simple operation and the like, can meet the requirement of hydraulic transportation of a vertical pipeline with large particles, and can solve channel blockage problem.
Description
Technical field
The present invention is mainly concerned with the pumping equipment field, refers in particular to large particle that a kind of vertical pipe waterpower that mainly is applicable to deep-sea mining, the defeated coal of waterpower and continental rise marine mining carries without stopping up Double Channel Pump.
Background technique
In Deep-sea Mining Technology, the deep sea mineral resources (as oceanic multi-metal nodule, cobalt bearing crust and Polymetallic sulphide etc.) that seabed collecting machine structure gathers, after crusher in crushing, adopts vertical pipe to rise on above water craft by pump.Deep sea mineral resources granularity after fragmentation is generally at≤50mm, and delivered volume concentration is 5～20%, as adopts traditional slurry pump under water to carry to be difficult to meet the demands.
Deep sea mineral resources (as oceanic multi-metal nodule, cobalt bearing crust and Polymetallic sulphide etc.) belongs to oarse-grained category, why the large particle Non-blinding pump is for deepsea mining system, is because its feature should possess high-lift, low discharge, high-power and by advantages such as large particles; Simultaneously motor need to have sealing withstand voltage, insulate and prevent the ability of seawater corrosion.Obviously, this development at high-pressure undersea underwater operation Submerged Motor Pumps is a new and high technology that difficulty is large.
At home, in outer deep-sea mining large particle vertical pipe waterpower conveying technology, the develop development of practitioner to the large particle Non-blinding pump all arranged.But in existing large particle Non-blinding pump, but there is defect in its pump runner design, in particle ore pulp lifting test, the pump blocking phenomenon occurred, the main cause that causes pump to stop up is the ring grille runner in pump.
Summary of the invention
The technical problem to be solved in the present invention just is: the technical problem existed for prior art, the invention provides a kind of compact structure, cost lower, easy and simple to handle, can meet requirement that large particle vertical pipe waterpower carries, and the large particle that can solve the runner blockage problem without stopping up Double Channel Pump.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of large particle is without stopping up Double Channel Pump, comprise the pump outer sleeve and be located at twin shaft submersible motor, main impeller, the auxiliary impeller in the pump outer sleeve, described main impeller and auxiliary impeller are connected to the two ends of twin shaft submersible motor, be provided with interior annular pass between described pump outer sleeve and twin shaft submersible motor, the outside of described pump outer sleeve is provided with the outer ring passage, at the end near main impeller with near an end of assisting impeller, between described interior annular pass and outer ring passage, be equipped with interconnecting part.
As a further improvement on the present invention:
Interconnecting part between described interior annular pass and outer ring passage is provided with toroidal membrane, on described toroidal membrane, offers pod apertures.
The two ends of described pump outer sleeve are arranged with inlet flange and outlet(discharge) flange.
Described interior annular pass is communicated with the position of outer ring passage in the position near inlet flange and close main impeller.
Compared with prior art, the invention has the advantages that: large particle of the present invention, without stopping up Double Channel Pump, has been deleted ring grille runner of the prior art, at the lower end of twin shaft submersible motor axle, has increased an auxiliary impeller and outer annular flow path is set; When pump work, the auxiliary impeller of twin shaft submersible motor lower end axle is transported to interior annular pass bottom through pod apertures by outer ring passage top by the muddy water on top, interior annular pass, so that the mineral slurry flux of annular pass in increasing, make interior annular pass flow velocity meet the conveying requirement, the requirement of carrying to meet large particle vertical pipe waterpower, can solve like this large particle and carry the ring grille runner blockage problem in pump.The present invention, applicable to deep sea mineral resources such as oceanic multi-metal nodule, cobalt bearing crust and Polymetallic sulphides, has good prospects for commercial application in Deep-sea Mining Technology, can be extended to the fields such as the defeated coal of waterpower and continental rise marine mining simultaneously.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structure for amplifying schematic diagram at I place in Fig. 1.
Marginal data:
1, inlet flange; 2, auxiliary impeller; 3, outer ring passage; 4, interior annular pass; 5, twin shaft submersible motor; 6, pump outer sleeve; 7, main impeller; 8, outlet(discharge) flange; 9, toroidal membrane; 10, pod apertures.
Embodiment
Below with reference to Figure of description and specific embodiment, the present invention is described in further details.
As depicted in figs. 1 and 2, large particle of the present invention is without stopping up Double Channel Pump, adopt the bushing type overall structure, comprise pump outer sleeve 6 and be sheathed on twin shaft submersible motor 5, main impeller 7, the auxiliary impeller 2 in pump outer sleeve 6, spatial guide blade bearing pump pressure in pump and the weight of Pump and Electromotor, pump outer sleeve 6 bears additional static load and dynamic load.Main impeller 7 and auxiliary impeller 2 are connected to the two ends of twin shaft submersible motor 5, and auxiliary impeller 2 is near the entry end of pump, and main impeller 7 is near the delivery side of pump end.Be provided with interior annular pass 4 between pump outer sleeve 6 and twin shaft submersible motor 5, the outside of pump outer sleeve 6 is arranged with outer ring passage 3, at the end near main impeller 7 with near an end of assisting impeller 2, between interior annular pass 4 and outer ring passage 3, be equipped with interconnecting part.By auxiliary impeller 2 is set, increased the flow of interior annular pass 4, the large particle ore pulp is delivered into and is become owner of riser tubing by main impeller 7, and muddy water recycles in interior annular pass 4 and outer ring passage 3.Although the area of passage of interior annular pass 4 is large, carry flow velocity not reduce, met the requirement of pulp conveying flow velocity.Because interior annular pass 4 and the area of passage of outer ring passage 3 will directly affect the conveying flow velocity, obtain the conveying flow velocity, the area of passage of annular pass 4 in first determining, this area of passage is determined by the test of ore pulp slip velocity, again by outer ring passage 3 area of passages, the flow velocity of this area of passage is for the ore pulp slip velocity of annular pass 4 in further increasing, and makes ore pulp speed meet and carries the flow velocity requirement.
In the present embodiment, the interconnecting part between interior annular pass 4 and outer ring passage 3 is provided with toroidal membrane 9, offers pod apertures 10 on toroidal membrane 9.
In the present embodiment, the two ends of pump outer sleeve 6 are arranged with inlet flange 1 and outlet(discharge) flange 8, the two ends of pump by counter flange with carry the main pipeline flange connect, to realize being connected in series of pump and riser tubing.Interior annular pass 4 is communicated with the position of outer ring passage 3 in the position near inlet flange 1 and close main impeller 7.
Working principle: before test, at first will in pump of the present invention, be full of clear water, comprise auxiliary impeller 2, outer ring passage 3, interior annular pass 4, twin shaft submersible motor 5, pump outer sleeve 6, main impeller 7; Then start twin shaft submersible motor 5, auxiliary impeller 2 and main impeller 7 start rotation.
During test, auxiliary impeller 2 rotations, on the one hand pulp conveying is arrived to main impeller 7, on the other hand muddy water is entered to outer ring passage 3 by the pod apertures 10 on 4 tops, interior annular pass, under the effect of press water, the muddy water of outer ring passage 3 is transported to bottom by top, then annular pass 4 in flowing into, and can keep like this mineral slurry flux of interior annular pass 4 to reach the conveying requirement.Main impeller 7 rotation be mainly by the pulp conveying of inlet flange 1, interior annular pass 4 to outlet(discharge) flange 8, and reach pumping head and traffic requirement.
During off-test, close twin shaft submersible motor 5, ore pulp passes through main impeller 7, interior annular pass 4 and 2 free settlings of auxiliary impeller to inlet flange 1 by outlet(discharge) flange 8.
Pump up moving, turn round and stop whole process of the test and control by ground control station, all show clearly the working condition in each setting up procedure of pump and process of the test on computer screen, as start or running in go wrong and will send alarm signal.
Be only below the preferred embodiment of the present invention, protection scope of the present invention also not only is confined to above-described embodiment, and all technological schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be considered as protection scope of the present invention.
Claims (4)
1. a large particle is without stopping up Double Channel Pump, it is characterized in that: comprise pump outer sleeve (6) and be located at twin shaft submersible motor (5), main impeller (7), the auxiliary impeller (2) in pump outer sleeve (6), described main impeller (7) and auxiliary impeller (2) are connected to the two ends of twin shaft submersible motor (5), described auxiliary impeller (2) is positioned at the entry end of pump, and described main impeller (7) is positioned at the delivery side of pump end; Be provided with interior annular pass (4) between described pump outer sleeve (6) and twin shaft submersible motor (5), the outside of described pump outer sleeve (6) is provided with outer ring passage (3), at the end near main impeller (7) with near an end of assisting impeller (2), between described interior annular pass (4) and outer ring passage (3), be equipped with interconnecting part.
2. large particle according to claim 1 is without stopping up Double Channel Pump, and it is characterized in that: the interconnecting part between described interior annular pass (4) and outer ring passage (3) is provided with toroidal membrane (9), offers pod apertures (10) on described toroidal membrane (9).
3. large particle according to claim 1 and 2 is without stopping up Double Channel Pump, and it is characterized in that: the two ends of described pump outer sleeve (6) are arranged with inlet flange (1) and outlet(discharge) flange (8).
4. large particle according to claim 3, without stopping up Double Channel Pump, is characterized in that: described interior annular pass (4) is communicated with the position of outer ring passage (3) in the position near inlet flange (1) and close main impeller (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210015564.3A CN102562614B (en) | 2012-01-18 | 2012-01-18 | Non-blocking double-channel pump with large particles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210015564.3A CN102562614B (en) | 2012-01-18 | 2012-01-18 | Non-blocking double-channel pump with large particles |
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| Publication Number | Publication Date |
|---|---|
| CN102562614A CN102562614A (en) | 2012-07-11 |
| CN102562614B true CN102562614B (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210015564.3A Active CN102562614B (en) | 2012-01-18 | 2012-01-18 | Non-blocking double-channel pump with large particles |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593934B (en) * | 2016-12-30 | 2017-09-12 | 中国科学院合肥物质科学研究院 | A kind of pool reactor vertical pump |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2061623U (en) * | 1989-10-12 | 1990-09-05 | 杭州水泵研究所 | Mechanical tubing pump for submerged use |
| CN2158934Y (en) * | 1992-12-12 | 1994-03-16 | 西安交通大学 | Axial balancing submerged pump |
| CN2392931Y (en) * | 1999-10-15 | 2000-08-23 | 邱熙 | Multi-stage centrifugal pump |
| CN202417964U (en) * | 2012-01-18 | 2012-09-05 | 长沙矿冶研究院有限责任公司 | Double-channel pump for pumping large particles without being blocked |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060120904A1 (en) * | 2004-12-01 | 2006-06-08 | Haesloop William G | Method and apparatus for mounting pumps within a suction vessel |
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2012
- 2012-01-18 CN CN201210015564.3A patent/CN102562614B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2061623U (en) * | 1989-10-12 | 1990-09-05 | 杭州水泵研究所 | Mechanical tubing pump for submerged use |
| CN2158934Y (en) * | 1992-12-12 | 1994-03-16 | 西安交通大学 | Axial balancing submerged pump |
| CN2392931Y (en) * | 1999-10-15 | 2000-08-23 | 邱熙 | Multi-stage centrifugal pump |
| CN202417964U (en) * | 2012-01-18 | 2012-09-05 | 长沙矿冶研究院有限责任公司 | Double-channel pump for pumping large particles without being blocked |
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| CN102562614A (en) | 2012-07-11 |
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