CN104389783B - Axisymmetric curved surface rotary volume-variable pump - Google Patents
Axisymmetric curved surface rotary volume-variable pump Download PDFInfo
- Publication number
- CN104389783B CN104389783B CN201410560671.3A CN201410560671A CN104389783B CN 104389783 B CN104389783 B CN 104389783B CN 201410560671 A CN201410560671 A CN 201410560671A CN 104389783 B CN104389783 B CN 104389783B
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- China
- Prior art keywords
- pump
- blade
- curved surface
- face
- sealing shroud
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/30—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C2/34—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members
- F04C2/356—Rotary-piston machines or pumps having the characteristics covered by two or more groups F04C2/02, F04C2/08, F04C2/22, F04C2/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in groups F04C2/08 or F04C2/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the outer member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0023—Axial sealings for working fluid
Abstract
Axisymmetric curved surface rotary volume-variable pump, it is related to positive displacement pump production field, including the pump housing, the separator disc among main shaft, main shaft in the pump housing, pump liquid outlet, the Pump Suction Nozzle for being arranged at the blade at separator disc both ends, being arranged at pump housing both sides, pump liquid outlet connects one section of conveyance conduit straight up, can prevent that blade and the opposite surface of separator disc from being washed away by high-pressure fluid, worn, blade service life length, the efficiency of pump is high, adapts to gas and water, oily three-phase mixed transferring.
Description
Technical field
The present invention is the improvement to axisymmetric curved surface rotary volume-variable pump, more particularly to one kind can prevent blade and separator disc
Opposite surface is washed away by high-pressure fluid, worn, blade service life length, the efficiency of pump is high, can gas and water, oily three-phase mixed transferring
Axisymmetric curved surface rotary volume-variable pump.
Background technology
Axisymmetric curved surface rotary volume-variable pump is a kind of new type rotating displacement pump, and its operating efficiency is very high, and pumping efficiency is high
Up to 70~80%, 30~40% or so are higher by than Ordinary Centrifugal Pumps efficiency, is especially used in low discharge, high pressure operating mode, effect
Rate can be higher by 40% or so than centrifugal pump.Such as 20~30m of flow3/ h, lift 0.8MPa centrifugal pump, general efficiency only have 35
~40%, and convey the axisymmetric curved surface rotary volume-variable pump of same flow and lift, its efficiency high is up to 75% or so.In addition, this
For pump also because being that volume gradual change compression realization pumps, liquid linear velocity is relatively low in pump, smaller to the abrasion of pump erosion, thus is conveying
High viscosity liquid, slurry containing solid-phase material have original advantage.Example conveys as used in the various lots of petroleum crude oil in China, compared with
Existing Crude Oil Transportation multistage centrifugal pump power can save more than 35%, be a kind of comparatively ideal Crude Oil Transportation pump.And this pump
Can be positive/negative to rotary work.
Chinese patent 200620116360.9 discloses a kind of curved surface rotary volume-variable pump, basic structure such as Fig. 1, including inner chamber
Cylindrical circular pump case 3 and the assembled pump cover 2 of two supports rotating shaft, the fixation separator disc 5 at pump chamber axial direction middle part separate pump
For the chamber of left and right two, the rotating shaft 1 through separator disc is overlapped with pump chamber axis, the opposed inlet 3.1 in pump case separator disc position and go out
Liquid mouth 3.2, separator disc both sides are rotatably assorted with pump chamber side face, curved surface is relative and the 180 degree that is staggered, the axial symmetry that is fixed in rotating shaft
Curved surface rotating disk 4, there is axial slide among separator disc, interpolation is axially reciprocal the baffle plate assembly 6 of slip.Operation principle：Separator disc
Two N-Side surfs are opposite, the axisymmetric curved surface rotating disk synchronous rotary of curved surface dislocation 180 degree, and volume is produced respectively in slide damper both sides
(discharge) and volume increase (suction) are reduced, left and right shares 2 discharge working chambers, 2 suction working chambers, by being led on separator disc
Liquid groove is externally discharged and suction fluid, so as to realize the row of pump, inhale continuous conveying.Slide damper is in separator disc axial slide
Move back and forth, promoted by the curved surface rotating disk curved surface of the opposed 180 degree that is staggered of synchronous rotary.But this structure simply proposes a kind of axle
The imagination of symmetroid rotary volume-variable pump, consider due to lacking engineering operation so that the positive displacement pump designed and produced by this, in engineering
Middle shortage actual application value, especially with short life, generally effectively work is no more than 20 days, thus causes the positive displacement pump real
Border invention for many years, is merely resting on theory stage, do not have so far reach meet Practical Project operation needs pump put goods on the market, institute
With the not no pump physical presence in market, also do not there is report on pump engineering manual, Crude Oil in China delivery pump so far still using efficiency compared with
Low centrifugal multistage pump multiple centrifugal pump.
Although being repeatedly continuously improved by the present inventor, the technical scheme further improved is also disclosed that（The patent No.：
201220650411.1、201220650394.1、201220650414.5、201220650412.6）, but still there is deficiency.
Such as：For pump when the long period conveying air, the high pressure air of liquid outlet can be by between blade convex portion and separator disc
Gap is backflowed to the suction inlet of pump at a high speed, causes the effect of pump to reduce.The air-flow of very same reason backflows, and can also cause to cavitate, to rotation
The work convex portion of piece produces the abrasion of cavitation erosion property, makes the working face generation of blade crude, and then produced to the roller at slide damper end
Abrasion, shorten the service life of roller, the life-span of roller can only achieve using 400 ~ 500 hours.The deficiency of above technology, is also needed
Improvement.
The sealing of other pump works in the environment of high-pressure fluid all the time, such as pumps out hydraulic coupling in 1MPa, and axle is close
Pressure in envelope position pump chamber is in the state of 0.8MPa, this pressure, to the service life of sealing, there is great shadow
Ring.Said from practice：The Fluid pressure at sealing position is longer closer to " 0 ", the life-span of sealing.Therefore in order to improve axle
The Long Service Life of sealing, curved surface axial symmetry positive displacement pump still have the place of improvement.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides one kind can convey air for a long time, blade will not wear, sealing
Dependable performance, the curved surface axial symmetry rotary volume-variable pump of complete machine service life length.
To solve the technical purpose of the present invention, there is provided following technical scheme：Axisymmetric curved surface rotary volume-variable pump, including pump
Body, the main shaft in the pump housing, the separator disc among main shaft, the blade for being arranged at separator disc both ends, it is arranged at pumping out for pump housing both sides
Liquid mouth, Pump Suction Nozzle, it is characterised in that pump liquid outlet connects one section of conveyance conduit straight up.
Further improved as of the invention, reflux line connection Pump Suction Nozzle, connection are provided with the conveyance conduit
Reflux line one end of the conveyance conduit is higher than pump liquid outlet.By setting reflux line, make part circulation fluid, backflow to pump
In suction inlet cavity, the medium of gas-liquid mixed is mixed into the air conveyed, enters back into conveyor chamber.From practical effect
See, on the one hand this set can lift the transfer efficiency of air, on the other hand can lubricate and cooling pump intracavitary parts, elevator pump
Service life.
Preferably, being provided with liquid storage container on the conveyance conduit, liquid storage container is located above pump liquid outlet.Pump is in work
When making, gas mixes with working solution, by the operating room of pump, is sent into liquid storage container.Gas passes through gravity in liquid storage container
Effect, floating are segregated into conveyance conduit and conveyed, and the working solution in cavity volume can not enter conveying due to the effect of gravity
The suction chamber that pipeline upper end is backflowed to pump, the gas mixing with suction chamber, then it is admitted to liquid outlet liquid storage container, Zhou Erfu
Begin, recycle.The gases at high pressure of pump discharge can not backflow downwards to the suction inlet of pump, due to the only liquid that backflows of no air
Body backflows, and the convex portion of blade would not produce cavitation erosion and damage, and the roller on slide damper will not also produce wear damage, pump
Service life just greatly improves.
Further improved as of the invention, sealing shroud, the sealing shroud face blade are provided between the pump housing and blade
End face be provided with a circle bulge loop, the end face of the blade face sealing shroud is provided with the scrobicular ring with bulge loop mating, and both are complementary
It is of coupled connections.Labyrinth is formed by such a setting, plays choked flow effect.
Preferably, the end face of the blade face sealing shroud is provided with radial spoke.When pump machine is run, spoke
Caused centrifugal force, also generates counter fluid, plays depressurization, extends the service life of pump machine sealing.
Preferably, sealing shroud material is ultra-high molecular weight polyethylene or modified Teflon.
Beneficial effects of the present invention：The pump is set to control pump discharge high pressure gas when conveying oil-containing, aqueous, gassiness medium
Body backflows, and improves the volumetric efficiency of pump, the efficiency of pump is improved by 75% to 85% or so；Control and pump out gas to pump
Backflowed in suction, and then also control cavitation erosion abrasion of the gas that backflows to positive displacement pump blade convex portion, make the service life of blade
Increase, so as to also increase the service life of complete machine pump；The use range of curved surface axial symmetry positive displacement pump is expanded, enables the pump defeated
All kinds of gases are sent, such as flammable, the various gases of harmfulness can be conveyed, one is created newly for domestic and international gas conveying machinery
Road；By the sealing shroud set between pump barrel body and blade, and the obvious pressure for reducing shaft sealing bit stream body, so as to effectively
Improve the sealing reliability of pump.
Brief description of the drawings
Fig. 1 is the pump configuration schematic diagram of prior art.
Fig. 2 is schematic structural view of the invention.
Fig. 3 is the structural representation that liquid storage container is not provided with Fig. 2.
Fig. 4 is the structural representation that the present invention sets sealing shroud and blade.
Embodiment
Embodiment 1：Axisymmetric curved surface rotary volume-variable pump, including the pump housing 3, the separation among main shaft 1, main shaft 1 in the pump housing 3
Disk 5, the blade 4 for being arranged at the both ends of separator disc 5, the pump liquid outlet 3.2 for being arranged at the both sides of the pump housing 3, Pump Suction Nozzle 3.1, pump out liquid
Mouth 3.2 connects one section of conveyance conduit 8 straight up.
Embodiment 2：With reference to embodiment 1, a reflux line 9 connection Pump Suction Nozzle 3.1 is provided with the conveyance conduit 8,
The one end of reflux line 9 for connecting the conveyance conduit 8 is higher than pump liquid outlet 3.2.
Embodiment 3：With reference to embodiment 1 or 2, liquid storage container 7 is provided with the conveyance conduit, liquid storage container 7 is located at pump
The top of liquid outlet 3.2.
Embodiment 4：With reference to embodiment 1 or 2 or 3, sealing shroud 10, the sealing shroud are provided between the pump housing 3 and blade 4
The end face of 10 face blades 4 is provided with a circle bulge loop 10.1, and the end face of the face sealing shroud 10 of blade 4 is provided with and bulge loop
The scrobicular ring 4.1 of 10.1 matings, the connection of both complementary coupleds.
Embodiment 5：With reference to embodiment 4, the end face of the face sealing shroud 10 of blade 4 is provided with radial spoke 4.2.
Embodiment 6：With reference to embodiment 5, the material of sealing shroud 10 is ultra-high molecular weight polyethylene or modified Teflon.
How much are the size of the liquid storage container 7, height only water-holding quantity, are the specifications and models sizes according to pump, convey gas
Temperature height depending on, be not construed as limiting herein.
By by the overstriking of conveyance conduit 8, increase and the measure such as vertically-mounted, to reach gas-liquid separation, industrial liquid backflow
Purpose；The device of above measure is taken to improve, also in the example of the scope of this patent.
Claims (3)
1. axisymmetric curved surface rotary volume-variable pump, for conveying gas containing liquid, including the pump housing, among the main shaft, main shaft in the pump housing
Separator disc, the blade for being arranged at separator disc both ends, pump liquid outlet, the Pump Suction Nozzle for being arranged at pump housing both sides, it is characterised in that institute
State and sealing shroud is provided between the pump housing and blade, the end face of the sealing shroud face blade is provided with a circle bulge loop, and the blade is just
The scrobicular ring being coupled with bulge loop, the connection of both complementary coupleds, the end of the blade face sealing shroud are provided with to the end face of sealing shroud
Face is additionally provided with radial spoke, and pump liquid outlet connects one section of conveyance conduit straight up, set on the conveyance conduit
Pipeline communication Pump Suction Nozzle is flowed once, and the reflux line one end for connecting the conveyance conduit is higher than pump liquid outlet.
2. the axisymmetric curved surface rotary volume-variable pump according to claim 1, it is characterised in that set on the conveyance conduit
There is liquid storage container, liquid storage container is located above pump liquid outlet.
3. axisymmetric curved surface rotary volume-variable pump according to claim 1, it is characterised in that sealing shroud material is supra polymer
Weight northylen or modified Teflon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410560671.3A CN104389783B (en) | 2014-10-21 | 2014-10-21 | Axisymmetric curved surface rotary volume-variable pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410560671.3A CN104389783B (en) | 2014-10-21 | 2014-10-21 | Axisymmetric curved surface rotary volume-variable pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104389783A CN104389783A (en) | 2015-03-04 |
| CN104389783B true CN104389783B (en) | 2017-12-12 |
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ID=52607729
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410560671.3A Active CN104389783B (en) | 2014-10-21 | 2014-10-21 | Axisymmetric curved surface rotary volume-variable pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN104389783B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736363A (en) * | 2016-04-06 | 2016-07-06 | 禾通科技公司 | Positive displacement pump of eccentric wheel structure |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3120350A1 (en) * | 1981-05-22 | 1983-01-27 | Albert Wagner | Vane cell pumps and motors with pressure gap balancing |
| CN2644727Y (en) * | 2003-09-24 | 2004-09-29 | 宜兴市宙斯泵业有限公司 | Modified sealing device for pump |
| CN200968284Y (en) * | 2006-05-26 | 2007-10-31 | 陈宝琛 | Rotary piston pump |
| CN2929260Y (en) * | 2006-06-15 | 2007-08-01 | 马爱民 | Liquid circulation type screw oil-gas mixed transport pump |
| CN202851344U (en) * | 2012-08-24 | 2013-04-03 | 黄山众拓工业泵制造有限公司 | Oil tank of oil-gas mixing transportation double-screw pump machine |
| CN102979721A (en) * | 2012-12-03 | 2013-03-20 | 宜兴市宙斯泵业有限公司 | Axisymmetric curved surface rotary variable displacement pump |
| CN102979724B (en) * | 2012-12-03 | 2015-09-16 | 宜兴市宙斯泵业有限公司 | Axisymmetric curved surface rotary volume-variable pump |
| CN102979720A (en) * | 2012-12-03 | 2013-03-20 | 宜兴市宙斯泵业有限公司 | Axisymmetric curved surface rotary variable displacement pump |
| CN204200572U (en) * | 2014-10-21 | 2015-03-11 | 宜兴市宙斯泵业有限公司 | Axisymmetric curved surface rotary volume-variable pump |
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2014
- 2014-10-21 CN CN201410560671.3A patent/CN104389783B/en active Active
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| CN104389783A (en) | 2015-03-04 |
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