CN102734042B - Two-layer double-volute energy transfer actuator - Google Patents
Two-layer double-volute energy transfer actuator Download PDFInfo
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- CN102734042B CN102734042B CN201110091610.3A CN201110091610A CN102734042B CN 102734042 B CN102734042 B CN 102734042B CN 201110091610 A CN201110091610 A CN 201110091610A CN 102734042 B CN102734042 B CN 102734042B
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- volute
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- impeller
- working room
- end surface
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- 238000012546 transfer Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 25
- 230000008676 import Effects 0.000 claims description 8
- 239000013535 sea water Substances 0.000 abstract description 20
- 238000010612 desalination reaction Methods 0.000 abstract description 15
- 238000001223 reverse osmosis Methods 0.000 abstract description 15
- 239000012267 brine Substances 0.000 abstract description 11
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 abstract description 11
- 230000008901 benefit Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000013505 freshwater Substances 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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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
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- Separation Using Semi-Permeable Membranes (AREA)
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 power delivery device field, be specifically related in reverse osmosis seawater desalination system about the two-layer double-volute energy transfer actuator of the one of apparatus for energy recovery.
Background technique
Energy transferring is found everywhere in field of chemical engineering, especially carries out pressure-exchange to liquid.In Chemical Manufacture, often there are some waste liquids also to possess suitable high pressure before discharging, very large waste can be caused if be not used.The in advance supercharging of energy as liquid working medium can be obtained from discarded high-pressure liquid, a large amount of energy consumption costs can be saved thus, realize the object of energy-saving and emission-reduction.Along with scientific and technological progress, population is increasing, and people are also increasingly strong to the hope of ocean development, and desalination of sea water process is increasingly universal, and the energy consumption cost of desalination of sea water is subject to special concern.
Early stage desalination of sea water adopts the way of distillation, and as multi-stage flash evaporation technology, energy consumption, at 9.0kWh/m3, only build the very low area of energy cost in usually, as Middle East petroleum state, or has the available area of used heat.
20 century 70 Reverse-osmosis Seawater Desalination Technologies drop into application, through updating.The process energy consumption 6.0kWh/m3 of the most reverse osmosis seawater desalination systems built up before the beginning of the eighties, energy consumption 3.0kWh/m3 by now, its topmost improvement be by process after high-pressure thick salt solution Energy Efficient recycle, therefore, energy recovery efficiency has become the key reducing desalination of sea water cost.
The world today mainly contains following three kinds at the energy transferring actuating equipment that field of seawater desalination liquid energy is recycled:
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%; the piston of shortcoming hydraulic cylinder structure and piston rod self have very large friction power loss; the particularly the most difficult ideal effect that reaches of reciprocation sealing technology of piston rod; practical efficiency is often lower than 90%, and particularly frictional loss causes that equipment downtime is frequent, maintenance cost is high.The patent No.: 201010122952.2, in China's patent of invention that on July 21st, 2010 announces: for differential energy recovery device and the method for seawater desalination system, just belong to conventional piston hydraulic cylinder structure;
The energy delivery devices of 2, turbine---water pump selection, outstanding advantages is stable and reliable operation, liquid working medium does not directly contact with discarded highly pressurised liquid, and large discharge energy transferring can be adapted to, although the peak efficiency of unit is lower than 75%, the efficiency of the energy delivery devices unit after combination generally only has 40%---and 55%, still extensively adopted by Large Copacity seawater desalination system so far.The task of top priority how to reduce seal friction, improves unit efficiency;
3, American Power in 1997 reclaims company (ERI) and releases pressure exchange energy reclaiming device (PressureExchanger), uses the principle switching energy of positive displacement.Advantage is without mechanical motion part, and the highest reuse efficiency of its pipe with small pipe diameter 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 there is large discharge pipe with small pipe diameter energy transferring, and its pipeline energy consumption is large; And for the energy transferring of Large Diameter Pipeline structure, flour mixed with adulterants is difficult to control, its efficiency is obviously lower, and Transfer Quality declines severe, and practical efficiency is often lower than 85%.The multiple pipe with small pipe diameter long tube of general employing is in parallel, and seem that system is huge, construction investment complexity is also difficult to management coordination, therefore can only be applicable to small capacity seawater desalination system.
Summary of the invention
The object of this invention is to provide a kind of two-layer double-volute energy transfer actuator, the defect of prior art can be made up, the overbottom pressure energy of high efficiente callback reverse osmosis seawater desalination system processing procedure mesohigh brine can be accomplished, can accomplish that again energy transferring actuating equipment keeps in repair less, even avoid maintenance.
To achieve these goals, the invention provides following technological scheme: a kind of two-layer double-volute energy transfer actuator, comprise two-layer double volute working room housing 1, double-action cavity impeller 2 and spherical detent ball 3, it is characterized in that: described two-layer double volute room housing about 1 point Liang Ge double volute working room, double volute working room, upper strata 101 is furnished with two symmetrical volute chamber 112 and import 12 and volute chamber 113 and import 13, and there are a liquid outlet 11 exported upward in central authorities of double volute working room 101, upper strata; Double volute working room of lower floor 109 is furnished with two symmetrical volute chamber 117 and outlet 17 and volute chamber 118 and outlet 18; There are a liquid-inlet 19 mouth down in described central authorities of double volute working room 109 of lower floor, middle fastener rings 15 is had between Liang Ge double volute working room, the upper-end surface 103 of described middle fastener rings 15 seals with the lower end surface 102 of described double volute working room, upper strata 101 and combines, the lower end surface 107 of described middle fastener rings 15 seals with the upper-end surface, double volute working room of lower floor 108 of double volute working room of lower floor 109 and combines, and the inner circle of described middle fastener rings 15 has a ring semicircle positioning groove 14 at least;
Described double-action cavity impeller 2: impeller upper plate surface 21 upward outside has been arranged symmetrically with the above curved surface bucket 22 of at least two panels, impeller lower face 26 down outside has been arranged symmetrically with the above lower face curved surface bucket 28 of at least two panels; A removable thickness Adjusting ring 25 is had between described impeller upper plate surface 21 and described impeller lower face 26, the upper-end surface 202 of described thickness Adjusting ring 25 seals with the lower end surface, face 201 of described impeller upper plate surface 21 and combines, and the lower end surface 208 of described thickness Adjusting ring 25 seals with the upper-end surface 209 of described impeller lower face 26 and combines; The proportion of described double-action cavity impeller 2 overall space is between the proportion of liquid working medium and overbottom pressure brine
between proportion, the proportion of described double-action cavity impeller 2 overall space equals 1.04;
And described thickness Adjusting ring 25 cylindrical has at least a ring semicircle positioning groove 24 corresponding with described semicircle positioning groove 14; During described semicircle positioning groove 14 contains with corresponding semicircle positioning groove 24 annular space, at least lay the spherical detent ball 3 described in three.
The effect of thickness Adjusting ring 25 is that the proportion in order to realize double-action cavity impeller 2 overall space is between the proportion and the proportion of overbottom pressure brine of liquid working medium.The benefit of this structure supports without the need to impeller shaft, and double-action cavity impeller 2 just can be suspended between two-phase liquid self, eliminates any seal friction resistance power consumption and maintenance hidden danger.
Because double-action cavity impeller 2 self just can be suspended between two-phase liquid, spherical detent ball 3 is almost no-load positioning work, guarantees that system accurately runs 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 that Liang Ge spiral case working room symplex structure is arranged allows the radial force of double-action cavity impeller 2 be balanced.The benefit of employing thickness Adjusting ring 25 structure is: support without the need to impeller shaft, double-action cavity impeller 2 just can be suspended between two-phase liquid self, eliminates any seal friction resistance power consumption and maintenance hidden danger.During semicircle positioning groove 14 and corresponding semicircle positioning groove 24 annular space contain, at least lay three spherical detent ball 3, guarantee that system accurately runs work.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of a kind of two-layer double-volute energy transfer actuator of the present invention.
Fig. 2 is the operating diagram that a kind of two-layer double-volute energy transfer actuator 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 curved surface buckets 22 all in figure is all for running is clockwise done in the center of circle with two symmetrical axle center, double volute working room 4;
Fig. 4 is the B-B sectional drawing of Fig. 1, i.e. lower floor's double volute working room sectional drawing, and curved surface buckets 28 all in figure is all for running is clockwise done in the center of circle with two symmetrical axle center, double volute working room 4;
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 double volute working room of lower floor 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 is decomposed;
Figure 11 is the independent sectional drawing of the thickness Adjusting ring 25 after double-action cavity impeller 2 is decomposed;
Figure 12 is the independent sectional drawing of the lower face 26 after double-action cavity impeller 2 is decomposed.
Embodiment
The combination of Fig. 1 to Figure 12 gives 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 actuator, comprise two-layer double volute working room housing 1, double-action cavity impeller 2 and spherical detent ball 3, described two-layer double volute room housing about 1 point Liang Ge double volute working room, there are two symmetrical volute chamber 112 and import 12 and volute chamber 113 and import 13 in double volute working room, upper strata 101, has a liquid outlet 11 exported upward in the middle of double volute working room 101, upper strata; There are two symmetrical volute chamber 117 and outlet 17 and volute chamber 118 and outlet 18 in double volute working room of lower floor 109, a liquid-inlet 19 mouth down is had in the middle of double volute working room 109 of lower floor, middle fastener rings 15 is had between Liang Ge double volute working room, the upper-end surface 103 of middle fastener rings 15 seals with the lower end surface 102 of double volute working room, upper strata 101 and combines, the lower end surface 107 of middle fastener rings 15 seals with the upper-end surface 108 of double volute working room of lower floor 109 and combines, and the interior garden of middle fastener rings 15 has a ring semicircle positioning groove 14.
The double-action cavity impeller 2 adopted, its upper plate surface 21 upward outside has been arranged symmetrically with 12 curved surface buckets 22, lower face 26 down outside has been arranged symmetrically with 6 curved surface buckets 28, a removable thickness Adjusting ring 25 is had between impeller upper plate surface 21 and impeller lower face 26, the upper-end surface 202 of thickness Adjusting ring 25 seals with the lower end surface 201 of impeller upper plate surface 21 and combines, the lower end surface 208 of thickness Adjusting ring 25 seals with the upper-end surface 209 of impeller lower face 26 and combines, and thickness Adjusting ring 25 cylindrical has a ring semicircle positioning groove 24 corresponding with semicircle positioning groove 14.Here liquid working medium is the clean sea water of proportion 1.02, and overbottom pressure brine is here the brine of proportion 1.06.By selecting the thickness Adjusting ring 25 of suitable thickness, the proportion of double-action cavity impeller 2 overall space is made to equal 1.04.The benefit of this structure supports without the need to impeller shaft, and double-action cavity impeller 2 just can be suspended between two-phase liquid self, eliminates any seal friction resistance power consumption and maintenance hidden danger.Under the condition that size allows, some the spherical detent ball 3 selecting radius size to be slightly less than positioning groove radius are placed in during semicircle positioning groove 14 contains with the space corresponding to semicircle positioning groove 24.
Work starts, directly design pressure is pressurized to by high-power high voltage pump 7 after clean sea water enters one-way valve 81, by the threeway 91 63 seawater chambeies 51 entering reverse osmosis unit 5 by the road, through the freshwater product chamber 52 entering reverse osmosis unit 5 after reverse osmosis membrane 55 under the effect of design pressure, freshwater product flows out to application purpose from pipeline 64 and is located in.Flowed out the transmission of participation energy regenerating by the brine that reverse osmosis membrane 55 blocks from pipeline 65 to exchange, generally still possess 6.0MPa.
In the process having energy regenerating transmission to exchange, the brine possessing overbottom pressure flows out from pipeline 65, point two-way after threeway 92.One road 66 flows through import 13 and enters volute chamber 113 by the road; Another road 67 flows through import 12 and enters volute chamber 112 by the road.The brine that two-way possesses overbottom pressure does work to 12 curved surface buckets 22 simultaneously, makes double-action cavity impeller 2 entirety with axle center, double volute working room 4 for the center of circle turns clockwise.Brine through pressure release of doing work is discharged into the place of specifying from liquid outlet 11.Meanwhile, curved surface bucket 22 synchronous with axle center, double volute working room 4 for the center of circle turns clockwise, the clean sea water in double volute working room of whipping lower floor divides two-way to extrude, and a road flows through pipeline 69 through volute chamber 117 from outlet 17 extrusion; Another road flows through pipeline 68 through volute chamber 118 from outlet 18 extrusion.In threeway 93, one steams again in place, after flowing through pipeline 61 and after one-way valve 82, by small-power suction booster 7 repressurize to design pressure, by the threeway 91 63 seawater chambeies 51 entering reverse osmosis unit 5 by the road, through the freshwater product chamber 52 entering reverse osmosis unit 5 after reverse osmosis membrane 55 under the effect of design pressure, freshwater product flows out to application purpose from pipeline 64 and is located in.Flowed out participation energy regenerating transmission again by the brine that reverse osmosis membrane 55 blocks from pipeline 65 to exchange, go round and begin again, continuous operation.
Finally, it is also to be noted that above case is only a specific embodiment of the present invention.Obviously, the invention is not restricted to above embodiment, many distortion can also be had.All distortion that those of ordinary skill in the art can directly derive from content disclosed by the invention or associate, all should think protection scope of the present invention.
Claims (1)
1. a two-layer double-volute energy transfer actuator, comprise two-layer double volute working room housing (1), double-action cavity impeller (2) and spherical detent ball (3), it is characterized in that: described two-layer double volute room housing (1) point upper and lower Liang Ge double volute working room, double volute working room, upper strata (101) is furnished with two symmetrical volute chamber (112) and import (12) and volute chamber (113) and import (13), and there are a liquid outlet (11) exported upward in double volute working room, upper strata (101) central authorities, lower floor double volute working room (109) is furnished with two symmetrical volute chamber (117) and outlet (17) and volute chamber (118) and exports (18), there are a liquid-inlet (19) mouth down in described double volute working room of lower floor (109) central authorities, middle fastener rings (15) is had between Liang Ge double volute working room, the upper-end surface (103) of described middle fastener rings (15) and the lower end surface (102) of described double volute working room, upper strata (101) seal and combine, the lower end surface (107) of described middle fastener rings (15) and the double volute working room of lower floor upper-end surface (108) of lower floor double volute working room (109) seal and combine, the inner circle of described middle fastener rings (15) has a ring semicircle positioning groove (14) at least,
Described double-action cavity impeller (2): impeller upper plate surface (21) upward outside has been arranged symmetrically with the above curved surface bucket of at least two panels (22), impeller lower face (26) down outside has been arranged symmetrically with the above lower face curved surface bucket (28) of at least two panels; A removable thickness Adjusting ring (25) is had between described impeller upper plate surface (21) and described impeller lower face (26), the upper-end surface (202) of described thickness Adjusting ring (25) and the lower end surface, face (201) of described impeller upper plate surface (21) seal and combine, and the lower end surface (208) of described thickness Adjusting ring (25) and the upper-end surface (209) of described impeller lower face (26) seal and combine;
And described thickness Adjusting ring (25) cylindrical has at least a ring semicircle positioning groove (24) corresponding with described semicircle positioning groove (14); During described semicircle positioning groove (14) and corresponding semicircle positioning groove (24) annular space contain, at least lay the spherical detent ball (3) described in three.
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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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CN201110091610.3A CN102734042B (en) | 2011-04-05 | 2011-04-05 | Two-layer double-volute energy transfer actuator |
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CN102734042B true CN102734042B (en) | 2015-04-15 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 | A kind of 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 |
Family Cites Families (1)
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 |
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2011
- 2011-04-05 CN CN201110091610.3A patent/CN102734042B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 | A kind of 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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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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