CN104912818A - Movable pump station - Google Patents
Movable pump station Download PDFInfo
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- CN104912818A CN104912818A CN201510331556.3A CN201510331556A CN104912818A CN 104912818 A CN104912818 A CN 104912818A CN 201510331556 A CN201510331556 A CN 201510331556A CN 104912818 A CN104912818 A CN 104912818A
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- pump
- self
- water
- nozzle
- movable
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- Jet Pumps And Other Pumps (AREA)
Abstract
The invention discloses a movable pump station. The movable pump station comprises a self-sucking pump. The self-sucking pump (4) is connected with a jet-flow booster pump (7) through a connection pipe (6). The jet-flow booster pump (7) comprises a water guide pipe (702), a spray nozzle (708) and a water return pipe connector (709), the water guide pipe (702) extending into a water taking opening is used for water taking, the spray nozzle (708) is connected with the water guide pipe (702), and the water return pipe connector (709) is connected with the spray nozzle (708) and is communicated with the connection pipe (6). A diffusion pipe (710) is assembled at an outlet of the spray nozzle (708), and a low-pressure area is formed by the outlet of the spray nozzle (708) and an inlet of the diffusion pipe (710). The diffusion pipe (710) is connected with a water outlet pipe. The movable pump station has the advantages that the low-pressure area is formed by the jet-flow booster pump, fluids respectively sucked by the self-sucking pump and the jet-flow booster pump are mixed and exchange momentum with each other, kinetic energy of delivered fluids is increased, and accordingly, suction and flow of the movable pump station are increased.
Description
Technical field
The invention belongs to hydrotechnics field, particularly a kind of movable pump station.
Background technique
At present because China is many
sewerage systemdesign standard is too low, drainage capacity wretched insufficiency.As early as possible improve urban flood defence water drainage ability, become Chinese Urbanization development
the task of top priority.Flood control draining department select movable pump station deal with flood season occur
flood, emergency flood fighting movable pump station just serves critical effect.
During flood season, do not have the hypsography low-lying place ponding in the place of flood discharge capacity or flood discharge capacity deficiency, particularly city more, even non-transformer connects pumping equipment.
Pump suction head is subject to the restriction of pump self character, and the reference level of pump and the ultimate range of the water surface are 10m in theory.Because some land-service road of city is narrow, mobile pump vehicle cannot reach specifies scene, only has the length increasing pump water inlet pipe, certainly will to increase the resistance of water inlet like this, be equivalent to pump suction head is increased, the maximum suction lift of pump may be exceeded, make pump cisco unity malfunction.
Along with the continuous reduction of liquid level, suction head is also increasing thereupon, may exceed the maximum suction lift of pump equally, makes pump cisco unity malfunction.
Along with the continuous change of environment, extreme weather gets more and more, and in certain areas, arid phenomenon often occurs, has higher requirement equally to movable pump station.
Summary of the invention
Object of the present invention will solve movable pump station exactly and require strict to water inlet suction head, and journey is inhaled in the water inlet improving pump, thus under low water level and remote condition, realizes drainning off floodwaters and the requirement of drought resisting.
For achieving the above object, technological scheme of the present invention is: a kind of movable pump station, comprises self-priming pump (4), and described self-priming pump (4) is connected with jet flow pressurizing pump (7) by connecting tube (6); Described jet flow pressurizing pump (7) comprises stretches into intake for the aqueduct (702) of fetching water, the nozzle (708) be connected with described aqueduct (702), the returning pipe joint (709) be connected with described nozzle (708); Described returning pipe joint (709) is communicated with described connecting tube (6), and described nozzle (708) outlet port is equipped with diffusing tube (710), and enters interruption-forming low pressure area with described diffusing tube (710); Described diffusing tube (710) connects outlet pipe.
Described self-priming pump (4) bottom is connected with the surge tank (5) for stable liquid pressure.
Described self-priming pump (4) comprises and stretches into the water supply hose (41) of intake for fetching water, the volute (44) be connected with water supply hose (41), be assemblied in the impeller (43) in described volute (44) and stator (42), for the outlet pipe (46) providing the waterproof electric pump (45) of driving force and be connected with described waterproof electric pump (45); Described outlet pipe (46) stretches into described surge tank (5).
Described jet flow pressurizing pump (7) also comprises the valve seat (705) be connected with described aqueduct (702), the bidirectional joint (706) be fixed in described valve seat (705), the backwater base (707) that is connected with the other end of described bidirectional joint (706); Described aqueduct (702) is equipped with filter screen (701), in described valve seat (705), is equipped with spool (703), have guide body (704) in described spool (703) inner sleeve; Described backwater base (707) is assembled returning pipe joint (709) and nozzle (708) respectively, and described returning pipe joint (709) is communicated with described connecting tube (6); Described nozzle (708) outlet port is equipped with diffusing tube (710).
Described diffusing tube (710) comprises trunnion (7101), diffusing tube (7102), water outlet joint (7103).
Compared to the prior art the present invention, has the following advantages:
The present invention forms low pressure area by jet flow pressurizing pump, the fluid two fluids that the fluid that self-priming pump is absorbed and jet flow pressurizing pump absorb mixes and carries out momentum transfer, the kinetic energy being transferred fluid is increased, thus there is the self-priming pump more used than conventional movable pump station have larger suction head, ensure under low water level and remote condition, realize drainning off floodwaters and the requirement of drought resisting.Owing to the addition of surge tank, jet flow pressurizing pump operation will be made more steady, reduce the vibration of system.
Accompanying drawing explanation
To describe as the preferred of the application but nonrestrictive embodiment now, these and other features, aspect and advantage will become apparent when reading following detailed description in detail with reference to accompanying drawing, wherein:
Fig. 1 is pumping plant of the present invention composition schematic diagram.
Fig. 2 is surge tank of the present invention and self-priming centrifugal pump and connecting tube connection diagram.
Fig. 3 is jet flow pressurizing pump structure schematic diagram of the present invention.
Fig. 4 is diffusing tube structural representation.
In figure: 1 is control system, 2 is trailer, 3 is generator, 4 is self-priming pump, 41 is water supply hose, 42 is stator, 43 is impeller, 44 is volute, 45 is waterproof electric pump, 46 is outlet pipe, 5 is surge tank, 6 is connecting tube, 7 is jet flow pressurizing pump, 701 is filter screen, 702 is aqueduct, 703 is spool, 704 is guide body, 705 is valve seat, 706 is bidirectional joint, 707 is backwater base, 708 is nozzle, 709 is returning pipe joint, 710 is diffusing tube, 7101 is trunnion, 7102 is diffusing tube, 7103 is water outlet joint, 8 is Joystick, 9 is draw-bar.
Embodiment
The following description is only exemplary and be not to limit the disclosure, application or purposes in essence.Should be understood that, in whole accompanying drawing, corresponding reference character represents identical or corresponding parts and feature.
A kind of movable pump station of the present invention as shown in Figure 1, this pumping plant comprises control system 1, trailer 2, generator 3, self-priming pump 4, surge tank 5, connecting tube 6, jet flow pressurizing pump 7, Joystick 8, draw-bar 9.Control system 1, generator 3, self-priming pump 4, surge tank 5, connecting tube 6, jet flow pressurizing pump 7, Joystick 8, draw-bar 9 is fixed on trailer 2.Self-priming pump 4 is fixed on surge tank 5.Surge tank 5 is connected by connecting tube 6 with jet flow pressurizing pump 7.
Self-priming pump 4 as shown in Figure 2 comprises and stretches into the water supply hose 41 of intake for fetching water, the volute 44 be connected with water supply hose 41, be assemblied in the impeller 43 in described volute 44 and stator 42, for the outlet pipe 46 providing the waterproof electric pump 45 of driving force and be connected with waterproof electric pump 45.Self-priming pump 4 is fixed on surge tank 5, and connecting tube 46 is connected with surge tank 5.
Jet flow pressurizing pump as shown in Figure 3 comprises filter screen 701, aqueduct 702, spool 703, guide body 704, valve seat 705, bidirectional joint 706, backwater base 707, nozzle 708, returning pipe joint 709, diffusing tube 710.This assembly mode of execution is: filter screen 701 is assemblied on aqueduct 702, and aqueduct 702 is connected with valve seat 705, and at the in-built dispensing spool 703 of valve seat 705, guide body 704 is inserted in spool 703.Above-mentioned parts are assemblied in one end of bidirectional joint 706, at the other end assembling backwater base 707 of bidirectional joint 706, backwater base 707 assemble returning pipe joint 709 and nozzle 708 respectively, finally at the outlet port of nozzle 708 assembling diffusing tube 710; Returning pipe joint 709 is communicated with connecting tube 6.
Diffusing tube as shown in Figure 4 comprises trunnion 7101, diffusing tube 7102, water outlet joint 7103.
This working of an invention working procedure is such: with Motor Vehicle draw bar connection 9, trailer 2 is moved to required operational site as far as possible, fixes trailer with Joystick 8, then block wheel with the special sleeper carried with car, make it to move.
Self-priming pump water supply hose 41 is assemblied on the water intake flange of self-priming pump, respectively the hose containing filter screen self-priming pump water supply hose 41 and jet flow pressurizing pump 7 is pulled in intake, the delivery hose of jet flow pressurizing pump is connected in the water outlet joint 7103 of diffusing tube.
When confirmation water inlet and outlet flexible pipe connect reliable and trailer fix safe after, starter-generator 3, after generator reaches associated technical parameters, startup self-priming pump 4.Fluid is through self-priming pump 4, done work by the impeller 43 of High Rotation Speed in volute 44 by the fluid of self-priming pump 4 intake, can increase, enter after surge tank 5 voltage stabilizing through outlet pipe 46, enter in jet flow pressurizing pump 7 by connecting tube 6, returning pipe joint 709 again through backwater base 707 flow to nozzle 708, from nozzle 708 ejection at a high speed.Now form vacuum in trunnion 7101 ingress because ambient air is swept away by jet, namely the fluid of the aqueduct 702 of jet flow pressurizing pump 7 is inhaled into.Two fluids exists
trunnionmix in 7101 and carry out momentum transfer, and forming one uniform mixed flow, the kinetic energy being transferred fluid being increased, passes through afterwards
diffusing tube7102 by major part
kinetic energybe converted to pressure energy, the water output connector 7103 finally by diffusing tube connects scupper hose and water is transported to predetermined place.Movable pump station normally can be worked under lower and remote operating mode at water level, make flow increase simultaneously.
Described in the present invention, concrete case study on implementation is only better case study on implementation of the present invention, is not used for limiting practical range of the present invention.Namely all equivalences done according to the content of the present patent application the scope of the claims change and modify, all should as technology category of the present invention.
Claims (5)
1. a movable pump station, comprises self-priming pump (4), it is characterized in that, described self-priming pump (4) is connected with jet flow pressurizing pump (7) by connecting tube (6); Described jet flow pressurizing pump (7) comprises stretches into intake for the aqueduct (702) of fetching water, the nozzle (708) be connected with described aqueduct (702), the returning pipe joint (709) be connected with described nozzle (708); Described returning pipe joint (709) is communicated with described connecting tube (6), and described nozzle (708) outlet port is equipped with diffusing tube (710), and enters interruption-forming low pressure area with described diffusing tube (710); Described diffusing tube (710) connects outlet pipe.
2. movable pump station according to claim 1, is characterized in that, described self-priming pump (4) bottom is connected with the surge tank (5) for stable liquid pressure.
3. movable pump station according to claim 1, it is characterized in that, described self-priming pump (4) comprises and stretches into the water supply hose (41) of intake for fetching water, the volute (44) be connected with water supply hose (41), be assemblied in the impeller (43) in described volute (44) and stator (42), for the outlet pipe (46) providing the waterproof electric pump (45) of driving force and be connected with described waterproof electric pump (45); Described outlet pipe (46) stretches into described surge tank (5).
4. movable pump station according to claim 1, it is characterized in that, described jet flow pressurizing pump (7) also comprises the valve seat (705) be connected with described aqueduct (702), the bidirectional joint (706) be fixed on described valve seat (705), the backwater base (707) that is connected with the other end of described bidirectional joint (706); Described aqueduct (702) is equipped with filter screen (701), in described valve seat (705), is equipped with spool (703), have guide body (704) in described spool (703) inner sleeve; Described backwater base (707) is assembled returning pipe joint (709) and nozzle (708) respectively, and described returning pipe joint (709) is communicated with described connecting tube (6); Described nozzle (708) outlet port is equipped with diffusing tube (710).
5. movable pump station according to claim 4, is characterized in that, described diffusing tube (710) comprises trunnion (7101), diffusing tube (7102), water outlet joint (7103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510331556.3A CN104912818B (en) | 2015-06-16 | 2015-06-16 | A kind of movable pump station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510331556.3A CN104912818B (en) | 2015-06-16 | 2015-06-16 | A kind of movable pump station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104912818A true CN104912818A (en) | 2015-09-16 |
| CN104912818B CN104912818B (en) | 2018-05-15 |
Family
ID=54082181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510331556.3A Active CN104912818B (en) | 2015-06-16 | 2015-06-16 | A kind of movable pump station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104912818B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5261805A (en) * | 1975-11-18 | 1977-05-21 | Shibaura Eng Works Ltd | Jet pumps |
| JPS5720876Y2 (en) * | 1975-01-20 | 1982-05-06 | ||
| JPS5827120Y2 (en) * | 1975-01-10 | 1983-06-11 | 松下電器産業株式会社 | single pipe jet pump |
| JPS60111087A (en) * | 1983-11-18 | 1985-06-17 | Hitachi Ltd | Centrifugal-jet combined pump |
| CN1800643A (en) * | 2005-12-29 | 2006-07-12 | 阳江市新力工业有限公司 | Deep-well pump molded by punching and welding |
| CN201255119Y (en) * | 2008-06-12 | 2009-06-10 | 云梦县高压节能水泵厂 | Internally-mixed jet self-priming pump |
| CN101644272A (en) * | 2009-07-20 | 2010-02-10 | 江苏大学 | Fast self-priming jet-type centrifugal pump |
| CN102913463A (en) * | 2012-05-09 | 2013-02-06 | 江苏大学 | Self-priming height test bed for self-priming pump with high priming travel |
| CN204755341U (en) * | 2015-06-16 | 2015-11-11 | 合肥工业大学 | Remove pump station |
-
2015
- 2015-06-16 CN CN201510331556.3A patent/CN104912818B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5827120Y2 (en) * | 1975-01-10 | 1983-06-11 | 松下電器産業株式会社 | single pipe jet pump |
| JPS5720876Y2 (en) * | 1975-01-20 | 1982-05-06 | ||
| JPS5261805A (en) * | 1975-11-18 | 1977-05-21 | Shibaura Eng Works Ltd | Jet pumps |
| JPS60111087A (en) * | 1983-11-18 | 1985-06-17 | Hitachi Ltd | Centrifugal-jet combined pump |
| CN1800643A (en) * | 2005-12-29 | 2006-07-12 | 阳江市新力工业有限公司 | Deep-well pump molded by punching and welding |
| CN201255119Y (en) * | 2008-06-12 | 2009-06-10 | 云梦县高压节能水泵厂 | Internally-mixed jet self-priming pump |
| CN101644272A (en) * | 2009-07-20 | 2010-02-10 | 江苏大学 | Fast self-priming jet-type centrifugal pump |
| CN102913463A (en) * | 2012-05-09 | 2013-02-06 | 江苏大学 | Self-priming height test bed for self-priming pump with high priming travel |
| CN204755341U (en) * | 2015-06-16 | 2015-11-11 | 合肥工业大学 | Remove pump station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104912818B (en) | 2018-05-15 |
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