CN102562614A - Non-blocking double-channel pump with large particles - Google Patents
Non-blocking double-channel pump with large particles Download PDFInfo
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- CN102562614A CN102562614A CN2012100155643A CN201210015564A CN102562614A CN 102562614 A CN102562614 A CN 102562614A CN 2012100155643 A CN2012100155643 A CN 2012100155643A CN 201210015564 A CN201210015564 A CN 201210015564A CN 102562614 A CN102562614 A CN 102562614A
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- pump
- 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 a kind of large particle of the vertical pipe waterpower conveying of deep-sea mining, the defeated coal of waterpower and continental rise marine mining that mainly is applicable to and does not have the obstruction Double Channel Pump.
Background technique
In the deep-sea mining technology, the deep sea mineral resources (like oceanic multi-metal nodule, cobalt bearing crust and Polymetallic sulphide etc.) that seabed collecting machine structure is gathered adopts vertical pipe to rise on the above water craft through pump after crusher in crushing.Generally at≤50mm, delivered volume concentration is 5～20% to deep sea mineral resources granularity after the fragmentation, as adopts traditional slurry pump under water to carry to be difficult to meet the demands.
Deep sea mineral resources (like oceanic multi-metal nodule, cobalt bearing crust and Polymetallic sulphide etc.) belongs to oarse-grained category; Why the large particle Non-blinding pump is used for deepsea mining system, is because its feature should possess high-lift, low discharge, high-power and through advantages such as large particles; Simultaneously motor need have sealing withstand voltage, insulate and prevent the ability of seawater corrosion.Obviously, this under high pressure sea water the operation Research and Manufacture on Submersible Pump be a new and high technology that difficulty is big.
At home, in the outer deep-sea mining large particle vertical pipe waterpower conveying technology, the develop development of practitioner to the large particle Non-blinding pump arranged all.But in the existing large particle Non-blinding pump, but there is defective in its pump runner design, in particle ore pulp lifting test, the pump blocking phenomenon occurred, and the main cause that causes pump to stop up is the ring grille runner in the pump.
Summary of the invention
The technical problem that the present invention will solve just is: to the technical problem that existing technology exists, the present invention provide a kind of compact structure, cost lower, easy and simple to handle, can satisfy requirement that large particle vertical pipe waterpower carries, and the large particle that can solve the runner blockage problem do not have the obstruction Double Channel Pump.
For solving the problems of the technologies described above, the present invention adopts following technological scheme:
A kind of large particle does not have the obstruction 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; Said main impeller and auxiliary impeller are connected to the two ends of twin shaft submersible motor, are provided with interior annular pass between said pump outer sleeve and the twin shaft submersible motor, and the outside of said pump outer sleeve is provided with the outer ring passage; Near an end of main impeller with near an end of assisting impeller, be equipped with interconnecting part between said interior annular pass and the outer ring passage.
As further improvement of the present invention:
Interconnecting part in said between annular pass and the outer ring passage is provided with toroidal membrane, offers pod apertures on the said toroidal membrane.
The two ends of said pump outer sleeve are arranged with inlet flange and outlet(discharge) flange.
Annular pass and outer ring passage are in being communicated with near the position of inlet flange with near the position of main impeller in said.
Compared with prior art, the invention has the advantages that: large particle of the present invention does not have the obstruction Double Channel Pump, has deleted ring grille runner of the prior art, annular flow path outside the lower end of twin shaft submersible motor axle has increased an auxiliary impeller and has been provided with; When pump work; The auxilliary impeller of twin shaft submersible motor lower end axle is with muddy water bottom, annular pass in pod apertures is transported to by outer ring passage top on top, interior annular pass; So that the mineral slurry flux of annular pass in increasing; The annular pass flow velocity meets transport requirement in making, to satisfy the requirement that large particle vertical pipe waterpower is carried, can solve large particle like this and carry the ring grille runner blockage problem in pump.The present invention has better industrial application prospect applicable to deep sea mineral resources such as oceanic multi-metal nodule, cobalt bearing crust and Polymetallic sulphides in the deep-sea mining technology, can be extended to fields such as defeated coal of waterpower and continental rise marine mining simultaneously.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structure for amplifying schematic representation at I place among 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 will combine Figure of description and specific embodiment that the present invention is explained further details.
As depicted in figs. 1 and 2; Large particle of the present invention does not have the obstruction 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 the pump outer sleeve 6, the spatial guide blade bearing pump pressure in the pump and the weight of pump and motor, pump outer sleeve 6 bears and adds 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.Annular pass 4 in being provided with between pump outer sleeve 6 and the twin shaft submersible motor 5; The outside of pump outer sleeve 6 is arranged with outer ring passage 3; Near an end of main impeller 7 with near an end of assisting impeller 2, be equipped with interconnecting part between interior annular pass 4 and the outer ring passage 3.Through auxiliary impeller 2 is set, increased the flow of interior annular pass 4, the large particle ore pulp is delivered into by main impeller 7 becomes owner of riser tubing, and muddy water recycles with outer ring passage 3 in interior annular pass 4.Although the area of passage of interior annular pass 4 is big, carry flow velocity not reduce, satisfied the requirement that ore pulp is carried flow velocity.Because interior annular pass 4 will directly influence the conveying flow velocity with the area of passage of outer ring passage 3; Obtain to carry flow velocity; The area of passage of annular pass 4 in confirming earlier, this area of passage are confirmed by the test of ore pulp slip velocity, again through 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 satisfy and carries the flow velocity requirement.
In the present embodiment, the interconnecting part between interior annular pass 4 and the outer ring passage 3 is provided with toroidal membrane 9, offers pod apertures 10 on the 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, and promptly the two ends of pump connect with carrying the main pipe flange through counter flange, with being connected in series of realization pump and riser tubing.Interior annular pass 4 and outer ring passage 3 are in being communicated with near the position of inlet flange 1 with near the position of main impeller 7.
Working principle: before the test,, comprise auxiliary impeller 2, outer ring passage 3, interior annular pass 4, twin shaft submersible motor 5, pump outer sleeve 6, main impeller 7 at first with being full of clear water in the pump of the present invention; Start twin shaft submersible motor 5 then, auxiliary impeller 2 begins rotation with main impeller 7.
During test; Auxiliary impeller 2 rotations are transported to main impeller 7 with ore pulp on the one hand, on the other hand with the pod apertures 10 entering outer ring passages 3 of muddy water by 4 tops, interior annular pass; Under the effect of press water; The muddy water of outer ring passage 3 is transported to the bottom by top, annular pass 4 in flowing into again, and the mineral slurry flux of annular pass 4 reaches transport requirement in can keeping like this.Main impeller 7 rotation mainly is that the ore pulp with inlet flange 1, interior annular pass 4 is transported to outlet(discharge) flange 8, and reaches 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 starts, turns round and stop entire test and control by ground control station, all shows the working condition in each setting up procedure of pump and the process of the test on the computer screen clearly, will send alarm signal as going wrong in startup or the running.
Below only be preferred implementation of the present invention, protection scope of the present invention also not only is confined to the foregoing description, and all technological schemes that belongs under the thinking of the present invention all belong to protection scope of the present invention.Should be pointed out that for those skilled in the art some improvement and retouching not breaking away under the principle of the invention prerequisite should be regarded as protection scope of the present invention.
Claims (4)
1. a large particle does not have the obstruction 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 the pump outer sleeve (6); Said main impeller (7) and auxiliary impeller (2) are connected to the two ends of twin shaft submersible motor (5); Said auxiliary impeller (2) is positioned at the entry end of pump, and said main impeller (7) then is positioned at the delivery side of pump end; Be provided with interior annular pass (4) between said pump outer sleeve (6) and the twin shaft submersible motor (5); The outside of said pump outer sleeve (6) is provided with outer ring passage (3); Near an end of main impeller (7) with near an end of assisting impeller (2), be equipped with interconnecting part between said interior annular pass (4) and the outer ring passage (3).
2. large particle according to claim 1 does not have the obstruction Double Channel Pump, it is characterized in that: the interconnecting part in said between annular pass (4) and the outer ring passage (3) is provided with toroidal membrane (9), offers pod apertures (10) on the said toroidal membrane (9).
3. large particle according to claim 1 and 2 does not have the obstruction Double Channel Pump, it is characterized in that: the two ends of said pump outer sleeve (6) are arranged with inlet flange (1) and outlet(discharge) flange (8).
4. large particle according to claim 3 does not have the obstruction Double Channel Pump, it is characterized in that: annular pass (4) and outer ring passage (3) are in being communicated with near the position of inlet flange (1) with near the position of main impeller (7) in said.
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102562614A true CN102562614A (en) | 2012-07-11 |
| CN102562614B CN102562614B (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210015564.3A Active CN102562614B (en) | 2012-01-18 | 2012-01-18 | Non-blocking double-channel pump with large particles |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593934A (en) * | 2016-12-30 | 2017-04-26 | 中国科学院合肥物质科学研究院 | Vertical pump for pool type reactor |
Citations (5)
| 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 |
| US20060120904A1 (en) * | 2004-12-01 | 2006-06-08 | Haesloop William G | Method and apparatus for mounting pumps within a suction vessel |
| 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 |
-
2012
- 2012-01-18 CN CN201210015564.3A patent/CN102562614B/en active Active
Patent Citations (5)
| 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 |
| US20060120904A1 (en) * | 2004-12-01 | 2006-06-08 | Haesloop William G | Method and apparatus for mounting pumps within a suction vessel |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593934A (en) * | 2016-12-30 | 2017-04-26 | 中国科学院合肥物质科学研究院 | Vertical pump for pool type reactor |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102562614B (en) | 2014-01-01 |
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