CN102734042A - Two-layer double-volute energy transfer actuator - Google Patents
Two-layer double-volute energy transfer actuator Download PDFInfo
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- CN102734042A CN102734042A CN2011100916103A CN201110091610A CN102734042A CN 102734042 A CN102734042 A CN 102734042A CN 2011100916103 A CN2011100916103 A CN 2011100916103A CN 201110091610 A CN201110091610 A CN 201110091610A CN 102734042 A CN102734042 A CN 102734042A
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- volute
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention aims at providing a two-layer double-volute energy transfer actuator which can make up for the defects of the prior art, not only can efficiently recycle excess pressure energy of high-pressure strong brine in treatment process of a reverse-osmosis seawater desalination system, but also can achieve less or free maintenance of energy transfer actuation equipment. The two-layer double-volute energy transfer actuator comprises a two-layer double-volute working chamber shell 1 and a double-acting cavity impeller 2. The structure is compact due to the two-layer double-volute working chamber shell 1. The adopted symmetrical structure arrangement of two volute working chambers has the advantage that the radial stress of the double-acting cavity impeller 2 is balanced. The adoption of a thickness regulation ring 25 has the advantage that the double-acting cavity impeller 2 can be suspended between two-phase liquid without supporting of an impeller shaft, thus eliminating power consumption of any sealing friction resistance, and hidden maintenance hazard. At least three spherical positioning balls 3 are arranged in an annular space formed by a semicircular positioning groove 14 and a semicircular positioning groove 2 correspondingly, so as to ensure the accurate running of the system.
Description
Technical field
The invention belongs to energy transfer equipment field, be specifically related in the reverse osmosis seawater desalination system a kind of two-layer double volute energy transfer final controlling element about apparatus for energy recovery.
Background technique
Energy transfer is found everywhere in field of chemical engineering, especially liquid is carried out pressure-exchange.In Chemical Manufacture, often there are some waste liquids before discharging, also to possess suitable high pressure, can not cause very big waste if be not used.Can from discarded high-pressure liquid, obtain the in advance supercharging of energy, can save a large amount of energy consumption costs thus, realize the purpose of energy-saving and emission-reduction as liquid working medium.Along with scientific and technological progress, population is increasing, and people are also strong day by day to the hope of ocean development, and desalination of sea water is handled day by day and popularized, and the energy consumption cost of desalination of sea water receives special concern.
The way of distillation is adopted in early stage desalination of sea water, and like multi-stage flash evaporation technology, energy consumption is only built the very low area of energy cost in usually at 9.0kWh/m3, like Middle East oil state, or the available area of used heat is arranged.
The reverse osmosis seawater desalting technology dropped into and used the seventies in 20th century, through updating.The process energy consumption 6.0kWh/m3 of the most reverse osmosis seawater desalination systems that built up in the past from the beginning of the eighties; Energy consumption 3.0kWh/m3 by now; Its topmost improvement is that the Energy Efficient of the high-pressure thick salt solution after handling is recycled; Therefore, energy recovery efficiency has become to reduce the key of desalination of sea water cost.
World today's energy transfer actuating equipment that liquid energy is recycled in the desalination of sea water field mainly contains following three kinds:
1, traditional piston hydraulic cylinder similar plunger pump; Advantage is that liquid working medium does not directly contact with discarded highly pressurised liquid; Peak efficiency can reach 95%, and the piston of shortcoming hydraulic cylinder structure and piston rod self all has the difficulty of the reciprocation sealing technology of very big friction power loss, particularly piston rod to reach ideal effect; Practical efficiency often is lower than 90%, and particularly frictional loss causes that equipment downtime is frequent, maintenance cost is high.The patent No.: 201010122952.2, China's patent of invention of announcing on July 21st, 2010: be used for the differential energy recovery device and the method for seawater desalination system, just belong to the conventional piston hydraulic cylinder structure;
2, turbine---the energy transfer equipment of water pump combination; Outstanding advantage is stable and reliable operation; Liquid working medium does not directly contact with discarded highly pressurised liquid, and can adapt to big flow energy transfer, though the peak efficiency of unit is lower than 75%; The efficient of the energy transfer equipment unit after the combination generally has only 40%---and 55%, so far still by the extensively employing of big capacity of seawater desalination system institute.The task of top priority is how to reduce seal friction, improves unit efficiency;
3, U.S. energy recovery company (ERI) release pressure exchange energy reclaiming device (PressureExchanger) in 1997, the principle switching energy of utilization positive displacement.Advantage has not had the mechanical motion part, and the highest reuse efficiency of its tubule footpath long tube structure can reach 95%.Shortcoming is that liquid working medium directly contacts with discarded highly pressurised liquid, can only be limited to and be applied in the liquid working medium occasion identical with discarded highly pressurised liquid, and have big flow tubule footpath energy transfer, and its pipeline energy consumption is big; And for the energy transfer of bassoon gauge structure, flour mixed with adulterants is difficult to control, and its efficient is obviously low, and Transfer Quality descends severe, and practical efficiency often is lower than 85%.General a plurality of tubules footpath long tube that adopts is parallelly connected, and the system that seems is huge, and the construction investment complicacy also is difficult to management coordination, therefore can only be fit to the small capacity seawater desalination system.
Summary of the invention
The purpose of this invention is to provide a kind of two-layer double volute energy transfer final controlling element; Can remedy the defective of existing technology; Can accomplish the overbottom pressure energy of high efficiente callback reverse osmosis seawater desalination system processing procedure mesohigh brine, can accomplish that again the energy transfer actuating equipment keeps in repair less, even avoid maintenance.
To achieve these goals; The present invention provides following technological scheme: a kind of two-layer double volute energy transfer final controlling element; Comprise two-layer double volute working room housing 1, double-action cavity impeller 2 and spherical location ball 3; 1 fen upper and lower two double volute working room of described two-layer double volute chamber housing; Double volute working room, upper strata 101 is furnished with the spiral case chamber 112 and import 12 corresponding spiral case chambers 113 and import 13 of two symmetries; There is outlet liquid outlet 11 up in double volute working room, upper strata 101 central authorities, and lower floor double volute working room 109 is furnished with the spiral case chamber 117 and outlet corresponding spiral case chambers 118 17 and outlet 18 of two symmetries, and there is a liquid-inlet 19 that mouth down in double volute working room 109 central authorities of lower floor; Middle fastener rings 15 is arranged between two double volute working rooms; The upper-end surface 103 of middle fastener rings 15 combines with 102 sealings of the lower end surface of upper strata double volute working room 101, and the lower end surface 107 of middle fastener rings 15 combines with upper-end surface 108 sealings of lower floor double volute working room 109, has a ring semicircle positioning groove 14 on the interior circle of middle fastener rings 15 at least.The double volute working room structural benefit of two symmetries is to let the radial force of double-action cavity impeller 2 obtain balance, and the effect of fastener rings 15 is to be convenient to adapt with regulating thickness circle 25 in the middle of adopting.
As further optimization: the upper plate surface 21 of described double-action cavity impeller 2 outside symmetric arrangement up has at least two above curved surface buckets 22; Lower face 26 outside symmetric arrangement down has at least two above curved surface buckets 28; A removable regulating thickness circle 25 is arranged between impeller upper plate surface 21 and the impeller lower face 26; The upper-end surface 202 of regulating thickness circle 25 combines with 201 sealings of the lower end surface of impeller upper plate surface 21; The lower end surface 203 of regulating thickness circle 25 combines with 209 sealings of the upper-end surface of impeller lower face 26, and has at least a ring semicircle positioning groove 24 corresponding with semicircle positioning groove 14 on regulating thickness circle 25 cylindricals.The effect of regulating thickness circle 25 be for the proportion of realizing double-action cavity impeller 2 overall spaces between the proportion of the proportion of liquid working medium and discarded highly pressurised liquid.The benefit of this structure is to need not impeller shaft to support, and double-action cavity impeller 2 just can be suspended between the two phase liquid self, eliminates any seal friction resistance power consumption and maintenance hidden danger.
As further optimization: during semicircle positioning groove 14 contains with pairing semicircle positioning groove 24 annular spaces, lay three spherical location balls 3 at least.Because double-action cavity impeller 2 self just can be suspended between the two phase liquid, spherical location ball 3 almost is the work of no-load location, guarantees that system accurately moves work.
The invention has the beneficial effects as follows: the present invention adopts two-layer double volute working room housing 1 and double-action cavity impeller 2.Two-layer double volute working room housing 1 makes compact structure of the present invention.The benefit of two spiral case working room symplex structure layouts is to let the radial force of double-action cavity impeller 2 obtain balance.Adopt the benefit of regulating thickness circle 25 structures to be: need not impeller shaft and support, double-action cavity impeller 2 just can be suspended between the two phase liquid self, eliminates any seal friction resistance power consumption and maintenance hidden danger.During semicircle positioning groove 14 contains with pairing semicircle positioning groove 24 annular spaces, lay three spherical location balls 3 at least, guarantee that system accurately moves work.
Description of drawings
Fig. 1 is the cross-sectional view of a kind of two-layer double volute energy transfer final controlling element of the present invention.
Fig. 2 is the work schematic representation that a kind of two-layer double volute energy transfer final controlling element of the present invention is applied to reverse osmosis seawater desalination system;
Fig. 3 is the A-A sectional drawing of Fig. 1, i.e. upper strata double volute working room sectional drawing, and all curved surface buckets 22 all are that the axle center, double volute working room 4 with two symmetries is that running is clockwise done in the center of circle among the figure;
Fig. 4 is the B-B sectional drawing of Fig. 1, i.e. lower floor's double volute working room sectional drawing, and all curved surface buckets 28 all are that the axle center, double volute working room 4 with two symmetries is that running is clockwise done in the center of circle among the figure;
Fig. 5 is the independent sectional drawing of two-layer double volute working room housing 1;
Fig. 6 is the independent sectional drawing of the double volute working room, upper strata 101 after two-layer double volute working room housing 1 decomposes;
Fig. 7 is the independent sectional drawing of fastener rings 15 in the middle of the two-layer double volute working room after two-layer double volute working room housing 1 decomposes;
Fig. 8 is the independent sectional drawing of the lower floor double volute working room 109 after two-layer double volute working room housing 1 decomposes;
Fig. 9 is the independent sectional drawing of double-action cavity impeller 2;
Figure 10 is the independent sectional drawing of the upper plate surface 21 after double-action cavity impeller 2 decomposes;
Figure 11 is the independent sectional drawing of the regulating thickness circle 25 after double-action cavity impeller 2 decomposes;
Figure 12 is the independent sectional drawing of the lower face 26 after double-action cavity impeller 2 decomposes.
Embodiment
The combination of Fig. 1 to Figure 12 has provided structure of the present invention and working principle and the application in reverse osmosis seawater desalination system.
A kind of two-layer double volute energy transfer final controlling element; Comprise two-layer double volute working room housing 1, double-action cavity impeller 2 and spherical location ball 3; 1 fen upper and lower two double volute working room of described two-layer double volute chamber housing; There is the spiral case chamber 112 and import 12 corresponding spiral case chambers 113 and import 13 of two symmetries double volute working room, upper strata 101, and outlet liquid outlet 11 is up arranged in the middle of the upper strata double volute working room 101; There is the spiral case chamber 117 and outlet corresponding spiral case chambers 118 17 and outlet 18 of two symmetries lower floor double volute working room 109; A liquid-inlet 19 that goes out mouth down is arranged in the middle of the lower floor double volute working room 109; Middle fastener rings 15 is arranged between two double volute working rooms; The upper-end surface 103 of middle fastener rings 15 combines with 102 sealings of the lower end surface of upper strata double volute working room 101; The lower end surface 107 of middle fastener rings 15 combines with 108 sealings of the upper-end surface of lower floor double volute working room 109, and a ring semicircle positioning groove 14 is arranged on the interior circle of middle fastener rings 15.
The double-action cavity impeller 2 that adopts; Its upper plate surface 21 outside symmetric arrangement up has 12 curved surface buckets 22; Lower face 26 outside symmetric arrangement down has 6 curved surface buckets 28; A removable regulating thickness circle 25 is arranged between impeller upper plate surface 21 and the impeller lower face 26; The upper-end surface 202 of regulating thickness circle 25 combines with 201 sealings of the lower end surface of impeller upper plate surface 21, and the lower end surface 208 of regulating thickness circle 25 combines with 209 sealings of the upper-end surface of impeller lower face 26, and has a ring semicircle positioning groove 24 corresponding with semicircle positioning groove 14 on regulating thickness circle 25 cylindricals.The liquid working medium here is the peace and quiet seawater of proportion 1.02, and the discarded highly pressurised liquid here is the brine of proportion 1.06.Through selecting the regulating thickness circle 25 of suitable thickness, make the proportion of double-action cavity impeller 2 overall spaces equal 1.04.The benefit of this structure is to need not impeller shaft to support, and double-action cavity impeller 2 just can be suspended between the two phase liquid self, eliminates any seal friction resistance power consumption and maintenance hidden danger.Under the condition of size permission, some spherical location balls 3 selecting radius size to be slightly less than the positioning groove radius are placed in semicircle positioning groove 14 and the 24 pairing spaces containings of semicircle positioning groove.
The work beginning; Peace and quiet seawater gets into one-way valve 81 backs and directly is pressurized to design pressure by high-power high voltage pump 7; Through threeway 91 by the road 63 get into reverse osmosis units 5 seawater chamber 51; Under the effect of design pressure, pass the freshwater product chamber 52 that reverse osmosis membrane 55 backs get into reverse osmosis unit 5, freshwater product flows out to application purpose from pipeline 64 and is located in.The brine that is blocked by reverse osmosis membrane 55 flows out participation energy recovery transmission exchange from pipeline 65, generally still possesses 6.0MPa.
Having energy recovery to transmit in the process of exchange, the brine that possesses overbottom pressure flows out from pipeline 65, after threeway 92, divides two-way.One road 66 flow through imports 13 by the road get into spiral case chambers 113; Another road 67 flow through imports 12 by the road gets into spiral case chambers 112.Two-way possesses the brine of overbottom pressure simultaneously to 22 actings of 12 curved surface buckets, makes that double-action cavity impeller 2 integral body are that the center of circle turns clockwise with axle center, double volute working room 4.Be discharged into the place of appointment from liquid outlet 11 through the brine of acting pressure release.Meanwhile, curved surface bucket 22 is that the center of circle turns clockwise with axle center, double volute working room 4 synchronously, and the peace and quiet seawater in the whipping lower floor double volute working room divides two-way to extrude, and one the tunnel extrudes the pipeline 69 of flowing through through spiral case chamber 117 from exporting 17; Another road extrudes the pipeline 68 of flowing through through spiral case chamber 118 from exporting 18.Steam again one at threeway 93 places; Flow through behind pipeline 61 back and the one-way valve 82; Arrived design pressure by 7 repressurizes of small-power suction booster; Through threeway 91 by the road 63 get into reverse osmosis units 5 seawater chamber 51, under the effect of design pressure, pass the freshwater product chambeies 52 that reverse osmosis membrane 55 backs get into reverse osmosis units 5, freshwater product flows out to application purpose from pipeline 64 and is located in.Brine by reverse osmosis membrane 55 blocks is participated in energy recovery transmission exchange once more from pipeline 65 outflows, goes round and begins again continuous operation.
At last, it is also to be noted that above case only is a specific embodiment of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention all should be thought protection scope of the present invention.
Claims (3)
1. two-layer double volute energy transfer final controlling element; Comprise two-layer double volute working room housing (1), double-action cavity impeller (2) and spherical location ball (3); It is characterized in that described two-layer double volute chamber housing (1) divides upper and lower two double volute working rooms; Double volute working room, upper strata (101) is furnished with spiral case chamber (112) and import (12) the corresponding spiral case chamber (113) and the import (13) of two symmetries; There is outlet liquid outlet (11) up in double volute working room, upper strata (101) central authorities; Lower floor double volute working room (109) is furnished with spiral case chamber (117) and outlet (17) the corresponding spiral case chamber (118) and the outlet (18) of two symmetries; There is a liquid-inlet (19) that mouth down in central authorities of lower floor double volute working room (109), and middle fastener rings (15) is arranged between two double volute working rooms, and the upper-end surface (103) of middle fastener rings (15) combines with the sealing of the lower end surface (102) of upper strata double volute working room (101); The lower end surface (107) of middle fastener rings (15) combines with the sealing of the upper-end surface (108) of lower floor double volute working room (109), has a ring semicircle positioning groove (14) on the interior circle of middle fastener rings (15) at least.
2. a kind of two-layer double volute energy transfer final controlling element according to claim 1; The upper plate surface (21) that it is characterized in that double-action cavity impeller (2) outside symmetric arrangement up has at least two above curved surface buckets (22); Lower face (26) outside symmetric arrangement down has at least two above curved surface buckets (28); Between impeller upper plate surface (21) and the impeller lower face (26) a removable regulating thickness circle (25) is arranged; The upper-end surface (202) of regulating thickness circle (25) combines with the sealing of the lower end surface (201) of impeller upper plate surface (21); The lower end surface (203) of regulating thickness circle (25) combines with the sealing of the upper-end surface (209) of impeller lower face (26), and has at least a ring semicircle positioning groove (24) corresponding with semicircle positioning groove (14) on regulating thickness circle (25) cylindrical.
3. a kind of two-layer double volute energy transfer final controlling element according to claim 1 is characterized in that in the containing of semicircle positioning groove (14) and pairing semicircle positioning groove (24) annular space, lays three spherical location balls (3) at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110091610.3A CN102734042B (en) | 2011-04-05 | 2011-04-05 | Two-layer double-volute energy transfer actuator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110091610.3A CN102734042B (en) | 2011-04-05 | 2011-04-05 | Two-layer double-volute energy transfer actuator |
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| CN102734042A true CN102734042A (en) | 2012-10-17 |
| CN102734042B CN102734042B (en) | 2015-04-15 |
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| CN201110091610.3A Expired - Fee Related CN102734042B (en) | 2011-04-05 | 2011-04-05 | Two-layer double-volute energy transfer actuator |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6291693A (en) * | 1985-10-16 | 1987-04-27 | Nikkiso Co Ltd | Power recovery-type canning motor pump |
| US5049045A (en) * | 1988-02-26 | 1991-09-17 | Oklejas Robert A | Power recovery turbine pump |
| CN201258858Y (en) * | 2008-08-19 | 2009-06-17 | 珠海格力电器股份有限公司 | Compressor |
| EP2302201A2 (en) * | 2009-09-29 | 2011-03-30 | Hitachi Plant Technologies, Ltd. | Pump system having energy recovery apparatus |
| CN202001173U (en) * | 2011-04-05 | 2011-10-05 | 张意立 | Double-layer double-volute energy transmission actuator |
-
2011
- 2011-04-05 CN CN201110091610.3A patent/CN102734042B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6291693A (en) * | 1985-10-16 | 1987-04-27 | Nikkiso Co Ltd | Power recovery-type canning motor pump |
| US5049045A (en) * | 1988-02-26 | 1991-09-17 | Oklejas Robert A | Power recovery turbine pump |
| CN201258858Y (en) * | 2008-08-19 | 2009-06-17 | 珠海格力电器股份有限公司 | Compressor |
| EP2302201A2 (en) * | 2009-09-29 | 2011-03-30 | Hitachi Plant Technologies, Ltd. | Pump system having energy recovery apparatus |
| CN202001173U (en) * | 2011-04-05 | 2011-10-05 | 张意立 | Double-layer double-volute energy transmission actuator |
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| CN102734042B (en) | 2015-04-15 |
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Effective date of registration: 20170316 Address after: 226100 Guangzhou road Jiangsu city Nantong Province Haimen Economic and Technological Development Zone No. 999 Patentee after: JIANGSU CHANGJIANGKOU DEVELOPMENT GROUP CO., LTD. Address before: 325000 Zhejiang Province, Lucheng District, South Gate Street, building, room No. 1, building, Room 303 Patentee before: Zhang Yili |
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