CN103925223B - A kind of high suction depth jet pump auxiliary float device - Google Patents
A kind of high suction depth jet pump auxiliary float device Download PDFInfo
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- CN103925223B CN103925223B CN201410130639.1A CN201410130639A CN103925223B CN 103925223 B CN103925223 B CN 103925223B CN 201410130639 A CN201410130639 A CN 201410130639A CN 103925223 B CN103925223 B CN 103925223B
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- return pipe
- jet pump
- drive link
- ejector
- high suction
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Abstract
The invention discloses a kind of high suction depth jet pump auxiliary float device, including centrifugal pump and ejector, described centrifugal pump and described ejector are linked together by outlet pipe and return pipe, and described return pipe is also associated with fast fastening joint, and described fast fastening joint connects buoyant spheres；Another high suction depth jet pump auxiliary float device, including centrifugal pump and ejector, described centrifugal pump and described ejector are linked together by outlet pipe and return pipe, equipped with unidirectional slip cap on described return pipe, described unidirectional slip cap can only connect on described unidirectional slip cap have buoyant spheres along the unidirectional slide downward of described return pipe under gravity.Floating drum passes through buoyant equilibrium pipeline and the power vertically downward of jet pump gravity formation, alleviates the load of each pipeline.
Description
Technical field
The present invention relates to a kind of jet pump auxiliary float device, particularly relate to a kind of high suction depth jet pump auxiliary float device.
Background technology
The height that Ordinary Centrifugal Pumps is installed is determined by the cavitation erosion performance of pump itself, but can not be more than 8m.High suction depth jet pump is by centrifugal pump, jet pump and enters water return pipeline etc. and forms, and relies on the jet pump secondary pressurized at the bottom of immersion water, makes the suction head of high suction depth jet pump reach more than 9m, reach as high as hundred meters, considerably beyond Ordinary Centrifugal Pumps.Contrasting other high suction depth water lift utensils, high suction depth jet pump has the features such as simple in construction, low cost.Therefore, the rivers that high suction depth jet pump is widely used in water level is relatively low draw water in well.
Owing to high suction depth jet pump has bigger setting height(from bottom), need suction hose and the return pipe grown very much.Therefore centrifugal pump inlet pipe is due to loads such as pipeline, the liquid of full pipeline and jet pumps, it will by the biggest vertical moment, if taking no action to, easily leaking and even rupturing at pipe joint.If a pump-out is 5m/h, suction head is the high suction depth jet pump of 30m, connects according to plastic tube, and during work, the hot strength vertically downward suffered by elbow is up to 10Mpa, and the tensile strength of junction typically only has 2Mpa-3MPa.Additionally, fluviatic water level is relatively big with wave equal ripple, Water table in well also reduces the stability of pipeline along with the work of high suction depth jet pump constantly declines.
Traditional safeguard procedures, for reinforce in elbow, are installed loaded down with trivial details, and cost increases, and the problem that cannot solve joint tensile strength difference.Compared with traditional safeguard procedures, the present invention proposes a kind of high suction depth jet pump auxiliary float device, utilizes floating drum, hinge and the combination of spring etc., effectively reduces the vertical moment that pipeline, jet pump etc. put on pipeline, add the stability of pipeline.
Summary of the invention
The technical problem to be solved is, is susceptible to leakage or the problem of fracture for centrifugal pump inlet pipe under high loads, and provides a kind of high suction depth jet pump auxiliary float device.
For solving the technical problem of above-mentioned existence, present invention employs below scheme: a kind of high suction depth jet pump auxiliary float device, including centrifugal pump and ejector, described centrifugal pump and described ejector are linked together by outlet pipe and return pipe, being also associated with fast fastening joint on described return pipe, described fast fastening joint connects buoyant spheres.
In such scheme, described fast fastening joint one end is fixed on described return pipe by the first threaded fastener nut, the other end is fixed on the pipeline at described ejector place by the second threaded fastener nut, and described fast fastening joint is used for connecting return pipe and the pipeline at described ejector place.
In such scheme, some jointings have been evenly arranged it on described fast fastening joint outer wall, postive stop baffle is screwed with described jointing and is connected, connect in described buoyant spheres and have drive link, described drive link is connected by axis of rotation pair with described postive stop baffle, the most adjacent described two drive links pass sequentially through stretching spring and connect, and the spring that described stretching spring is connected on each drive link connects on ring.
In such scheme, described buoyant spheres is provided with charge valve, and described drive link is connected on described charge valve interface.
In such scheme, being fixed together by anchor tip between described outlet pipe and described return pipe, described anchor tip is positioned at described fast fastening joint upper end.
Invention describes another high suction depth jet pump auxiliary float device, including centrifugal pump and ejector, described centrifugal pump and described ejector are linked together by outlet pipe and return pipe, equipped with unidirectional slip cap on described return pipe, described unidirectional slip cap can only connect on described unidirectional slip cap have buoyant spheres along the unidirectional slide downward of described return pipe under gravity.
Further, some rotating shafts have been evenly arranged it on described unidirectional slip cap outer wall, connect in described buoyant spheres and have drive link, described drive link is connected with described axis of rotation axle, described drive link can be around described pivoted downward, the most adjacent described two drive links pass sequentially through stretching spring and connect, and the spring that described stretching spring is connected on each drive link connects on ring.
Further, being fixed together by anchor tip between described outlet pipe and described return pipe, described anchor tip is positioned at described fast fastening joint upper end.
The invention has the beneficial effects as follows: when (1) uses in korneforos, floating drum passes through buoyant equilibrium pipeline and the power vertically downward of jet pump gravity formation, alleviates the load of each pipeline.By drive link and connect the stretching spring spring in the middle part of each drive link and be automatically adjusted the position of floating drum, water level fluctuation within the specific limits during to adapt to the work of high suction depth jet pump.(2) when using in deep-well, use the unidirectional self-lock device of band sawtooth instead, floating drum is made to keep bubbling through the water column all the time during liquid level constantly declines with equalizing line and jet pump gravity straight down, increase the stability during work of high suction depth ejector pump, it is ensured that floating drum is provided that effective buoyancy support during Well Water Level constantly declines.
Accompanying drawing explanation
Fig. 1 is apparatus of the present invention schematic diagrams when using by the river.
Fig. 2 is fast fastening joint structural representation.
Fig. 3 is fast fastening joint and buoyant spheres coupling part structural representation.
Fig. 4 is to rotate bar, postive stop baffle and buoyant spheres connection diagram.
Fig. 5 is stretching spring and rotation bar connection diagram.
Fig. 6 is apparatus of the present invention schematic diagrams when using in deep-well.
Fig. 7 is unidirectional sliding sleeve and return pipe connection diagram.
1. centrifugal pump, 2. anchor tip, 3. device with float, 4. fast fastening joint, 5. ejector, 6. outlet pipe, 7. return pipe, 8. rotating shaft, 9. postive stop baffle, 10. drive link, 11. springs connect ring, 12. stretching springs, 13. first threaded fastener nut, 14. sealing rings, 15. jointings, 16. second threaded fastener nut, the male connection of 17. free ends, 18. charge valves, 19. springs, 20. buoyant spheres, 21. unidirectional self-lock devices, 22. Saw blades, 23. slide cartridges.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is high suction depth jet pump auxiliary float device schematic diagram when using by the river, a kind of high suction depth jet pump device, including centrifugal pump 1 and ejector 5, described centrifugal pump 1 and described ejector 5 are linked together by outlet pipe 6 and return pipe 7, it is also associated with fast fastening joint 4 on described return pipe 7, described fast fastening joint 4 one end is fixed on described return pipe 7 by the first threaded fastener nut 13, the other end is fixed on the pipeline at described ejector 5 place by the second threaded fastener nut 16, described fast fastening joint 4 is used for connecting return pipe 7 and the pipeline at described ejector 5 place.Need for sealing, fast fastening joint 4 and the first threaded fastener nut 13 and the second threaded fastener nut 16 junction are provided with shown in sealing ring 14(Fig. 2), connect on described fast fastening joint 4 and have buoyant spheres 20, being fixed together by anchor tip 2 between described outlet pipe 6 and described return pipe 7, described anchor tip 2 is positioned at described fast fastening joint 4 upper end.Buoyant spheres 20 provides buoyancy upwards, significantly assume responsibility for water pipe, jet pump and the weight of the liquid wherein flowed, more stable and safety when making high suction depth jet pump work with this.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 5, some jointings 15 have been evenly arranged it on described fast fastening joint 4 outer wall, postive stop baffle 9 is screwed with described jointing 15 and is connected, described buoyant spheres 20 is provided with charge valve 18 and drive link 10, described drive link 10 one end is connected by rotating shaft 8 revolute pair with described postive stop baffle 9, described drive link 10 other end is connected on described charge valve 18 interface, the check-valves that charge valve 18 is the flap fixed by one end and spring 19 forms.Made check-valves open by gas momentum during inflation, affected by spring force when stopping inflation and make closure of check ring.The stretching spring 12 that the most adjacent described two drive links 10 pass sequentially through connects, and the spring that described stretching spring 12 is connected on each drive link 10 connects on ring 11.Use stretching spring 12 1 aspect can be so that the pulling force of the stretching spring 12 level to rotating bar 10 balances with the rotation horizontal component from the pressure of fast fastening joint that is subject to of bar 10, the stretching spring 12 gravitational equilibrium to the vertical pulling force of rotary shaft with whole tubing, it is ensured that stablizing of whole device with float；On the other hand, when using high suction depth jet pump, interior edema face, river can occur certain fluctuation up and down under the influence of strong wind, thus ripples drive each buoyant spheres 20 irregular movement back and forth, affect buoyant spheres 20 entirety to return pipe buoyancy output effect, stretching spring 12 makes drive link 10 be connected with each other, and overcomes the water surface along with the fluctuating of wave by the mating reaction of drive link with stretching spring 12, maximally plays the buoyancy of floating drum.
When the moment of water level decreasing, buoyancy ball 20 volume that submerges reduces, and 10 1 pulling force of drive link given by stretching spring 12, drive link 10 rotates down along rotating shaft (8), making buoyant spheres 20 tighten up downwards, the volume in water that submerges increases, until the buoyancy provided balances with rotating vertical force suffered by bar 10.When water level rises, operation principle is similar to when declining, more stable and safety when making high suction depth jet pump work with this.
Fig. 6 is apparatus of the present invention schematic diagrams when deep-well uses, similar with structure when using by the river, but due to high suction depth jet pump use in deep-well time, water level decreasing is very fast, in order to make floating drum with water level decreasing and persistently provide buoyancy, former fast fastening joint 4 is replaced with unidirectional sliding sleeve.Owing to usual hole diameter is less, save postive stop baffle 9 herein, and rotating shaft 8 is directly fixed on unidirectional sliding sleeve.As shown in Figure 7, return pipe 7 is provided with the sawtooth 22 of some downward arrangements, the some sawtooth 23 that upwards arrange is distributed in unidirectional sliding sleeve inner chamber, downwards the sawtooth 22 of arrangement is together with sawtooth 23 cross arrangement upwards arranged, making unidirectional sliding sleeve can only move downward with water level decreasing, unidirectional sliding sleeve upwards reverse locking provides power upwards with the gravity of equalizing line.
Workflow: high-pressure work water is delivered to jet pump 5 by outlet pipe 6 by work water pump 1, through jet pump 5 turbulent diffusion, energy and quality are passed to be sucked liquid, water source is usually river or well water, through return pipe 7, mixing liquid is delivered to centrifugal pump, a part of liquid is discharged through pressurization, another part liquid returns to jet pump as working water, the most constantly circulates work.Device with float is connected to the return pipe place near water level of high suction depth jet pump by a fast fastening joint 4, moment when water level decreasing, buoyancy ball 20 volume that submerges reduces, and now its provided buoyancy is less than drive link 10 and acts on buoyant spheres 20 component vertically downward.Rotate bar 10 to rotate down, under stretching spring 12 effect, the volume making buoyant spheres 20 submerge in water around rotary shaft 8 and increase, until dynamic balance downward vertically suffered by the buoyancy provided and return pipe.When water level rises, operation principle is similar to when declining, more stable and safety when making high suction depth jet pump work with this.By snap joint 2 connector, water inlet pipe is fixed with return pipe, it is to avoid pipeline rocks, and transmits vertical moment.When using in deep-well, in order to make floating drum with water level decreasing and persistently provide buoyancy, former fast fastening joint 4 is replaced with unidirectional sliding sleeve.
Floating drum quantity and shape ensure uniform in the case of because of concrete situation depending on, depending on floating drum size is according to concrete pipeline situation.The floating drum of such as device with float is 4 spheroid floating drums, vertical duct is 20kg with the gross weight of jet pump, weight 10kg in water in pipeline, total vertical force is 300N, flow in pipeline the impulse force and the weight of device self formed in view of water, and the buoyancy of each floating drum 100N to be produced could offset total power vertically downward.Therefore, the volume of each floating drum 10L to be reached.
Claims (6)
1. a high suction depth jet pump auxiliary float device, including centrifugal pump (1) and ejector (5), described centrifugal pump (1) and described ejector (5) are linked together by outlet pipe (6) and return pipe (7), it is characterized in that, being also associated with fast fastening joint (4) on described return pipe (7), the upper connection of described fast fastening joint (4) has buoyant spheres (20)；Described fast fastening joint (4) one end is fixed on described return pipe (7) by the first threaded fastener nut (13), the other end is fixed on the pipeline at described ejector (5) place by the second threaded fastener nut (16), and described fast fastening joint (4) is used for connecting return pipe (7) and the pipeline at described ejector (5) place；Some jointings (15) it have been evenly arranged on described fast fastening joint (4) outer wall, postive stop baffle (9) is screwed with described jointing (15) and is connected, the upper connection of described buoyant spheres (20) has drive link (10), described drive link (10) is connected by rotating shaft (8) revolute pair with described postive stop baffle (9), the most adjacent described two drive links (10) pass sequentially through stretching spring (12) and connect, and the spring that described stretching spring (12) is connected on each drive link (10) connects on ring (11).
A kind of high suction depth jet pump auxiliary float device the most according to claim 1, it is characterised in that described buoyant spheres (20) is provided with charge valve (18), and described drive link (10) is connected on described charge valve (18) interface.
A kind of high suction depth jet pump auxiliary float device the most according to claim 2, it is characterized in that, being fixed together by anchor tip (2) between described outlet pipe (6) and described return pipe (7), described anchor tip (2) is positioned at described fast fastening joint (4) upper end.
4. a high suction depth jet pump auxiliary float device, including centrifugal pump (1) and ejector (5), described centrifugal pump (1) and described ejector (5) are linked together by outlet pipe (6) and return pipe (7), it is characterized in that, equipped with unidirectional slip cap on described return pipe (7), described unidirectional slip cap can only connect on described unidirectional slip cap have buoyant spheres (20) along described return pipe (7) unidirectional slide downward under gravity；Some rotating shafts (8) have been evenly arranged it on described unidirectional slip cap outer wall, the upper connection of described buoyant spheres (20) has drive link (10), described drive link (10) is connected with described rotating shaft (8) rotary shaft, described drive link (10) can rotate down around described rotating shaft (8), the most adjacent described two drive links (10) pass sequentially through stretching spring (12) and connect, and the spring that described stretching spring (12) is connected on each drive link (10) connects on ring (11).
A kind of high suction depth jet pump auxiliary float device the most according to claim 4, it is characterised in that described buoyant spheres (20) is provided with charge valve (18), and described drive link (10) is connected on described charge valve (18) interface.
6. according to a kind of high suction depth jet pump auxiliary float device described in claim 4 or 5, it is characterized in that, being fixed together by anchor tip (2) between described outlet pipe (6) and described return pipe (7), described anchor tip (2) is positioned at fast fastening joint (4) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410130639.1A CN103925223B (en) | 2014-04-03 | 2014-04-03 | A kind of high suction depth jet pump auxiliary float device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410130639.1A CN103925223B (en) | 2014-04-03 | 2014-04-03 | A kind of high suction depth jet pump auxiliary float device |
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| Publication Number | Publication Date |
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| CN103925223A CN103925223A (en) | 2014-07-16 |
| CN103925223B true CN103925223B (en) | 2016-09-14 |
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| CN201410130639.1A Active CN103925223B (en) | 2014-04-03 | 2014-04-03 | A kind of high suction depth jet pump auxiliary float device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111218958A (en) * | 2020-03-03 | 2020-06-02 | 无锡东方船研水环境科技有限公司 | Triple pipeline buoy |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2069496U (en) * | 1990-02-09 | 1991-01-16 | 福建省机械科学研究院 | High lift water pump for deep well |
| CN2651473Y (en) * | 2003-07-01 | 2004-10-27 | 方小荣 | Floating water pump |
| CN103591029A (en) * | 2012-08-16 | 2014-02-19 | 杭州金氏泵业有限公司 | Axial-flow type reflux pump |
| CN203978865U (en) * | 2014-04-03 | 2014-12-03 | 江苏大学 | A kind of high suction depth Jet injector auxiliary float device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100784461B1 (en) * | 2006-06-19 | 2007-12-13 | 조남혜 | High pressure pump suction power enhancing device |
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2014
- 2014-04-03 CN CN201410130639.1A patent/CN103925223B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2069496U (en) * | 1990-02-09 | 1991-01-16 | 福建省机械科学研究院 | High lift water pump for deep well |
| CN2651473Y (en) * | 2003-07-01 | 2004-10-27 | 方小荣 | Floating water pump |
| CN103591029A (en) * | 2012-08-16 | 2014-02-19 | 杭州金氏泵业有限公司 | Axial-flow type reflux pump |
| CN203978865U (en) * | 2014-04-03 | 2014-12-03 | 江苏大学 | A kind of high suction depth Jet injector auxiliary float device |
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| CN103925223A (en) | 2014-07-16 |
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