CN104307370B - Quiet pressure exchange system and quiet pressure-exchange method - Google Patents
Quiet pressure exchange system and quiet pressure-exchange method Download PDFInfo
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- CN104307370B CN104307370B CN201410598164.9A CN201410598164A CN104307370B CN 104307370 B CN104307370 B CN 104307370B CN 201410598164 A CN201410598164 A CN 201410598164A CN 104307370 B CN104307370 B CN 104307370B
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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Abstract
A kind of quiet pressure exchange system and quiet pressure-exchange method, it can improve organic efficiency in reverse osmosis seawater desalting process and not produce noise.Quiet pressure exchanger therein includes pressure exchanging container and is positioned at the pressure-exchange water pocket of pressure exchanging container, and pressure-exchange water pocket can receive expansion in pressure exchanging container after the water at water source；Pressurizer is for boosting or supercharging to hydraulic pressure；Water warfare reverse osmosis membrane assembly is for discharging the water of cleaning and the dope with overbottom pressure after pending Water warfare, its outlet discharging dope is connected with pressure exchanging container by pipeline, so that the dope energy squeeze pressure exchange water pocket with overbottom pressure, so that the pending water of pressure-exchange water pocket is discharged with described overbottom pressure substantially equal pressure ground；The with pressure pending water that pressure-exchange water pocket is discharged is transported to Water warfare reverse osmosis membrane assembly after either directly or indirectly entering described pressurizer supercharging by pipeline with the pending water without pressure from water source and carries out water process.
Description
Technical field
The present invention relates to a kind of energy recycle device being suitable for water purification system and method, particularly relate to the apparatus and method that the dope overbottom pressure in a kind of reverse osmosis water cleaning system is utilized again.
Background technology
Utilizing reverse osmosis technology that former water not up to standard carries out purified treatment is commonly used both at home and abroad method, and its overbottom pressure of a large amount of concentrated solutions produced in reverse osmosis purification process reaches about 95%, and its water yield reaches 10-60%.For the operation pressure of desalinization reverse osmosis seawater desalting engineering between 5.0-6.0MPa, from the concentrated seawater pressure of film component device discharge still up to 4.8-5.8MPa.If the fresh-water recovery rate according to usual 40% calculates, the concentrated seawater of discharge there are about the intake pressure energy of 60%, there is huge recovery value and meaning.
The effect of pressure energy retracting device is exactly the pressure energy recycling counter-infiltration system high-pressure thick sea water, thus reducing controlling the water circulation energy consumption and the water producing cost of reverse osmosis seawater desalting.According to operation principle, energy recycle device is broadly divided into turbine type and the big class of Work-exchange type two.
In mechanical energy water turbine formula energy return device, the transformation process of energy is about 40-70% for " pressure energy-mechanical energy (shaft work)-pressure energy " its energy recovery efficiency.Work-exchange type energy recovery device only needs through " pressure energy-pressure energy " step conversion process, and its energy recovery efficiency is up to more than 94%, it has also become the emphasis of research and extension both at home and abroad.
In current all kinds of energy recycle devices both domestic and external, PX (PressureExchangar) pressure exchanger of ERI company of the existing U.S.；DWEER (WorkExchangeEnergyRocovery) the function exchanger of CADERAG company of Switzerland；The Recuparator energy regenerating tower that Norway A Ke insults.Domestic Work-exchange type energy regenerating product mainly has the differential pressure exchange type energy recovery device (ER-D) of Hangzhou Water Treatment Technological Research Development Center.Install in the motor power calculation of configuration it appeared that its organic efficiency is 85-90% with system at actual motion above.
In practical implementation, every energy exchanger utilizing high-pressure thick sea water to push directly on piston or the dynamic mechanical part of liquid rotation and forced feed sea water, be strictly speaking " pressure energy-mechanical energy (shaft work)-pressure can mode, owing to its organic efficiencies such as the mechanical loss in pressure conversion process are at 40-70%.It addition, current all kinds of energy recycle devices both domestic and external are in operation its noise all more than 81 decibels, if many sets run in system simultaneously, its noise exceeds relevant labor protection standard-required.
Summary of the invention
It is an object of the invention to provide a kind of quiet pressure exchange system and method, it can improve dope hydraulic recovery efficiency in reverse osmosis seawater desalting process and not produce noise in removal process.
For realizing the quiet pressure exchange system of described purpose, it is characterized in including
Quiet pressure exchanger, including pressure exchanging container and the pressure-exchange water pocket being positioned at pressure exchanging container, pressure-exchange water pocket can receive expansion in pressure exchanging container after the water at water source；
For hydraulic pressure being boosted or the pressurizer of supercharging；
Water warfare reverse osmosis membrane assembly, for the water of cleaning and the dope with overbottom pressure will be discharged after pending Water warfare, its outlet discharging dope is connected with pressure exchanging container by pipeline, so that the dope energy squeeze pressure exchange water pocket with overbottom pressure, so that the pending water of pressure-exchange water pocket is discharged with described overbottom pressure substantially equal pressure ground；
Wherein, the with pressure pending water that pressure-exchange water pocket is discharged is transported to Water warfare reverse osmosis membrane assembly after either directly or indirectly entering described pressurizer supercharging by pipeline with the pending water without pressure from water source and carries out water process.
Described quiet pressure exchange system, its further feature is, described quiet pressure exchange system also includes the pressure-equalizing device all pressed by the pending water of the different hydraulic pressure from different pipelines；Described pressure-equalizing device is that water voltage balancer is connected with pressure-exchange water pocket by pipeline, also connects with water source, mixes for the water with pressure by the water at water source with from pressure-exchange water pocket to reach the purpose all pressed；Described pressurizer includes water booster, is connected between water voltage balancer and Water warfare reverse osmosis membrane assembly by pipeline, for being transported to the entrance of Water warfare reverse osmosis membrane assembly after being boosted by the water in water voltage balancer.
Described quiet pressure exchange system, its further feature is, described water pressurizer includes high-pressure pump and booster pump, high-pressure pump receives the water from water source, correspondingly, this booster pump receives the water with pressure got rid of from pressure-exchange water pocket, and high-pressure pump and booster have common output pipe, and this output pipe is connected to the entrance of Water warfare reverse osmosis membrane assembly.
Described quiet pressure exchange system, its further feature is, this system includes two or more quiet pressure exchangers, the discharge pipe line of the pressure-exchange water pocket of different quiet pressure exchangers is respectively arranged with control valve, in order to during the moisture of different pressure-exchange water pockets, discharge pending water with pressure.
Described quiet pressure exchange system, its further feature is that pressure-exchange water pocket is made up of pressure, anticorrosion, resisting fatigue, soft-tissue material.
Described quiet pressure exchange system, its further feature is that pressure-exchange water pocket is connected with the elevated tank higher than quiet pressure exchanger position by pipeline, in order to receive the water at water source.
Described quiet pressure exchange system, its further feature is, the water inlet pipe of pressure-exchange water pocket and outlet pipe are same pipeline, and is connected respectively with the pipeline being connected water voltage balancer with the pipeline being connected elevated tank by three-way valve.
Described quiet pressure exchange system, its further feature is, the dope intake-discharge pipe of pressure exchanging container is same pipeline, and is connected respectively with the pipeline of the dope exhaust being connected Water warfare reverse osmosis membrane assembly with discharge tube by three-way valve.
Described quiet pressure exchange system, its further feature is, this system also includes the first stand-by pump and second stand-by pump of parallel connection, first stand-by pump is connected by pipeline and pressure-exchange water pocket, so that receiving the water with pressure of pressure-exchange water pocket discharge and by its supercharging, second stand-by pump is for receiving the water from water source, and the water of the first stand-by pump and the output of the second stand-by pump passes through the common Pipeline transport entrance to Water warfare reverse osmosis membrane assembly.
For realizing the quiet pressure-exchange method of described purpose, it is characterized in come from elevated tank or having the pending water inputted in the pipeline of pressure to be full of the pressure-exchange water pocket being arranged in pressure exchanging container by multi-functional automatic valve, high pressure dope anti-penetration wastewater disposal technique produced enters, through multi-functional automatic valve, the pending water in water pocket wall that runs on a bank between pressure exchanger inwall and pressure-exchange water pocket outer wall, make its increase to dope uniform pressure being discharged by multifunction valve, boost after all pressures together with supplementing pending water or directly boost, enter anti-penetration wastewater disposal assembly after making pending water boost to the operating pressure needed for anti-penetration wastewater disposal technique further and carry out water process, the clean water supply produced is used, and high pressure dope is transported to pressure exchanger pressure recovery energy.
In an embodiment of the present invention, quiet pressure exchanger and built-in pressure-exchange water pocket thereof are lower than pending water elevated tank, under multifunction valve gate control, clean pending water is introduced pressure-exchange water pocket, after clean pending water is full of pressure-exchange water pocket, by controlling valve, high pressure dope is inputted in quiet pressure exchanger, the pending water of cleaning in the pressure-exchange water pocket that compressing remains static, when clean pending water pressurized, the pending water of cleaning making pressurized enters pending water voltage balancer by valve, mix with another road pending water of stress-free cleaning and after all pressing, enter booster, after boosting to the pressure that the desalination of pending water is required, enter pending water desalination reverse osmosis membrane assembly to desalinate.Can also be that the cleaning of pressurized processes water and the pending water of stress-free cleaning and boosts to required for reverse osmosis process after operating pressure respectively, enter back into pending water desalination reverse osmosis membrane assembly and desalinate.
And in an embodiment of the present invention, when pending for the cleaning in pressure-exchange water pocket water is expressed to lowest safe waterline by high pressure dope, another quiet pressure exchanger is opened immediately and is connected by high pressure dope, make dope enter another quiet pressure exchanger to run on a bank the pending water of the cleaning in pressure water pocket, the pending water of cleaning exporting pressure-bearing enters pending water voltage balancer, supply clean pending water to its water pocket at the same time and cut off the high pressure dope feeding to static pressure pressure exchanger originally, the nothing pressure dope between water pocket and pressure exchanging container is got rid of under the pressure extrusion of elevated tank.Above procedure can under the effect of electrical equipment autocontrol valve, and two quiet pressure exchanger alternate repetitions carry out, and are the formation of free of discontinuities, it is achieved run continuously.
The system and method for the present invention is without piston and machinery liquid cyclone, except system is along except journey and local resistance loss, the loss in efficiency of basic mechanical transformation process, there is no dope and pending water Seepage, without any noise, the quiet pressure exchanger life-span up to decades, pressure-exchange water pocket can up to ten million times of repeated expansion and shrinkage, the life-span can also reach decades.
Accompanying drawing explanation
The above and other features of the present invention, character and advantage will be become readily apparent from by the description below in conjunction with drawings and Examples, wherein:
Fig. 1 is the system schematic of quiet pressure exchange system in one embodiment of the invention；
Fig. 2 is the front view of the pressure exchanger of quiet pressure exchange system in Fig. 1.
Fig. 3 is the side view of pressure exchanger in Fig. 2.
Fig. 4 is that in Fig. 3, pressure exchanger dope with pressure extrudes the operating diagram of clean sea water in water pocket.
Fig. 5 is full of clean sea water to make it get rid of the operating diagram without pressure dope in pressure-exchange water pocket in Fig. 3.
Detailed description of the invention
Below in conjunction with specific embodiments and the drawings, the invention will be further described; elaborate more details in the following description so that fully understanding the present invention; but the present invention obviously can implement with the multiple alternate manner being different from this description; those skilled in the art can do similar popularization, deduction according to practical situations when without prejudice to intension of the present invention, therefore should with content constraints protection scope of the present invention of this specific embodiment.
It should be noted that accompanying drawing 1 to Fig. 5 is all only used as example, it is not what to draw according to the condition of equal proportion, and should not be construed as limiting in this, as to the protection domain of actual requirement of the present invention.
First embodiment
As it is shown in figure 1, quiet pressure exchange system includes: quiet pressure exchanger, seawater desalination reverse osmosis membrane module 13, sea water voltage balancer 82.
Quiet pressure exchanger includes pressure exchanging container 11 and inside arranges pressure-exchange water pocket 21.Quiet pressure exchange system includes two quiet pressure exchangers in the embodiments illustrated in the figures.The quiet pressure exchanger being positioned at right side also includes pressure exchanging container 12 and the internal pressure-exchange water pocket 22 arranged thereof.Although container and water pocket in two quiet pressure exchangers are indicated by different accompanying drawing labellings, but the two can be same quiet pressure exchanger, in explanation below, only illustrate for the quiet pressure exchanger in left side, its quiet pressure exchanger illustrating to be also suitable for right side.
As in figure 2 it is shown, be provided with pressure-exchange water pocket 21 in pressure exchanging container 11, pressure-exchange water pocket 21 can in pressure exchanging container 11 expansion or shrinkage.In Fig. 2, Fig. 3, pressure-exchange water pocket 21 is in the state compressed.
Water pocket 21 has water pocket interface 6 and sea water imports and exports adapter 5, and sea water is imported and exported adapter 5 and connected with water pocket interface 6, and sea water inlet/outlet pipe interface 5 passes in and out two-way pipe 813 with sea water and connects.
Pressure exchanging container 11 has manhole 3 and dope imports and exports adapter 4, and dope imports and exports adapter 4 and manhole 3 connects, and dope is imported and exported adapter 4 and connected with the dope two-way pipe 723 of turnover in Fig. 1.
Pressure exchanging container 11 also has purge valve 110, and correspondingly, water pocket 21 also has purge valve 120.
As shown in Figure 1, elevated tank 86 receives the sea water (through pretreatment such as filtrations) from water source 87, the pressure that the sea water of elevated tank 86 is formed by high potential difference by the road 88, multi-functional automatic valve (three-way valve) 811, pipeline 813 enters into water pocket 21, it is filled with after water pocket 21 until sea water, valve 811 blocks pipeline 813 and pipeline 88, and pipeline 813 is connected with pipeline 821, such sea water enters into water voltage balancer 82 through valve 822, booster 83 it is provided with between water voltage balancer 82 and seawater desalination reverse osmosis membrane module 13, voltage balancer 82 connects water source also by pipeline 89.Again pass by booster 83 from the sea water after all pressures of voltage balancer 82 eliminating and be transported to the entrance of reverse osmosis membrane assembly 13.The dope exhaust of reverse osmosis membrane assembly 13 is connected to multi-functional automatic valve 731 by pipeline 71, multi-functional automatic valve 731 is also connected with the dope purging line 721 after dope passes in and out two-way pipeline 723 and release, pipeline 723 is optionally connected by multi-functional automatic valve 731 with pipeline 71, or is connected with pipeline 721 by pipeline 723.
In conjunction with Fig. 2, it is additionally provided with dope high signal measuring point 9 in the upside of pressure exchanger 11, and as it is shown in figure 5, is additionally provided with dope low level signal measuring point 10 in the downside of pressure exchanger 11.
In embodiment as shown in Figure 1, in figure, each arrow represents the flow direction of liquid.In order to keep system continuous and steady operation, the height of liquid level signal that multi-functional automatic valve 731, multi-functional automatic valve 811, multi-functional automatic valve 732, multi-functional automatic valve 812 all detect at dope high signal measuring point 9, dope low level signal measuring point 10 changes opening and closing under controlling automatically.
In FIG, the clean sea water 87 after seawater pretreatment system processes is entered native system by two tunnels respectively, and sea water elevated tank 86 is gone on a road, and sea water voltage balancer 82 is gone on a road.
During system start-up in system all valves all in off position time, make the pressure-exchange water pocket 21 in sound pressure exchanging container 11 make sea water pass in and out two-way pipe 813 when multi-functional automatic valve 811 is opened to connect with 60% clean sea water (can also be other ratios) 88, after the full sea water of pressure-exchange water pocket 21 tympanites under the high potential difference pressure of sea water elevated tank 86, multi-functional automatic valve 811 performs two actions after obtaining full water signal by dope high signal measuring point 9: 1. cut off the two-way pipe 813 of sea water turnover and clean sea water passage 88；2. connection sea water passes in and out two-way pipe 813 and the passage holding pressure sea water entrance voltage balancer pipe 821.The multi-functional automatic valve of dope 731 opens the connection of the two-way pipe 723 of dope turnover and high pressure dope passage 71 simultaneously, the dope making high pressure dope pipeline 71 enters pressure exchanging container 11 and runs on a bank pressure-exchange water pocket 21, during due to liquid pressurized, decrement is minimum, counter-pressure is very big, in capsule, clean sea water 8 constantly extrudes under transmission at high pressure dope, external and internal pressure is of substantially equal, hold clean sea water 8 in the capsule of same high pressure and enter sea water voltage balancer 82 by the multi-functional automatic valve 811 of sea water together with 40% clean sea water (can also be other ratios) 89, after clean sea water 8 after supercharging is mixed in voltage balancer 82 with the clean sea water (being carried by pipeline 89) without pressure, hold uniform pressure, such as 60% clean sea water pressure-bearing 5.8MPa equally after being run on a bank by high pressure dope, enter and all hold pressure for about 3.5MPa after voltage balancer 82 mixes with the 40% clean sea water 89 without pressure, in order to reach the 6MPa pressure needed for desalination by reverse osmosis, also need to improve 2.5MPa, so also needing sea water booster pump 83 to boost to 6MPa from 100% clean sea water of voltage balancer 82 outflow go seawater desalination reverse osmosis membrane module 13 carries out desalination process.Produce the water supply use of 40% through desalination, the dope amount of generation is the 60% overbottom pressure energy also holding 5.8MPa.
So far, in order to reclaim this part dope pressure energy, dope is made constantly to enter pressure exchanging container 11, when 60% clean sea water 8 in compressive pressure exchange water pocket 21 is expelled to lowest safe waterline, dope multifunction valve 731 is closed, system stops dope and enters, and cuts off the passage of the two-way pipe 723 of dope turnover and high pressure dope 71.Open the two-way pipe 723 of dope turnover and release dope mouth 721 passage simultaneously.Opening again multi-functional automatic valve 811 simultaneously and pass in and out two-way pipe to water-filling in pressure-exchange water pocket 21 with sea water, the pressure that clean sea water 8 holds elevated tank 86 struts the dope after pressure-exchange water pocket 21 compresses release and discharges.When repeating again above operation order after dope emptying.
In the aforementioned embodiment, elevated tank 86 can be replaced by pump, struts water pocket 21 as long as can meet.
Collaborative work for left and right two quiet pressure exchangers is:
When above quiet pressure exchanging container 11 is expelled to lowest safe waterline former seconds at clean sea water 8, the pressure-exchange water pocket 21 outside draining of pressurized in quiet exchanging container, the quiet pressure exchanger on right side is started working simultaneously, the quiet pressure vessel in step and left side is substantially the same, pressure-exchange water pocket 22 in substantially quiet pressure exchanging container 12 is full of water pocket 22 by multi-functional automatic valve 812 through piping 814 at the clean sea water 8 of entrance, dope enters into dope from high pressure dope pipeline 71 via multi-functional automatic valve 732 and passes in and out two-way pipe 724, enter back into pressure exchanging container 12, the clean sea water of in pressure-exchange water pocket 22 therein 60% is run on a bank, after pressure is held in transmission, clean sea water passes in and out two-way pipe 814 via sea water, then through by multi-functional automatic valve 812, it is discharged into sea water voltage balancer 82 then through pipeline 821, boost subsequently, carry out reverse-osmosis treated again, the dope of its output is carried through automatic valve 732, pipeline 724 enters into pressure exchanging container 12；And after the water in water pocket 22 drained, then receiving by the water of elevated tank 86, water pocket 22 is strutted by the hydraulic pressure of elevated tank 86, and the dope in the pressure exchanging container 12 after release is discharged then through pipeline 722 by water pocket 22 in turn after automatic valve 732.Such two or quiet pressure exchanger more than two stagger the time, exchange, continuously and stably supplies clean sea water to sea water voltage balancer 82 ensures.
Second embodiment
The content of this embodiment is described, it is convenient to omit booster 83 in Fig. 1, voltage balancer 82 and corresponding pipeline also referring to Fig. 1.
As it is shown in figure 1, quiet pressure exchange system still includes: two quiet pressure exchangers, seawater desalination reverse osmosis membrane module 13, sea water voltage balancer 82.
Quiet pressure exchanger includes pressure exchanging container 11 and inside arranges pressure-exchange water pocket 21.Quiet pressure exchange system includes two quiet pressure exchangers in the embodiments illustrated in the figures.The quiet pressure exchanger being positioned at left side also includes pressure exchanging container 12 and the internal pressure-exchange water pocket 22 arranged thereof.Although container and water pocket in two quiet pressure exchangers are indicated by different accompanying drawing labellings, but the two can be same quiet pressure exchanger, in explanation below, only illustrate for the quiet pressure exchanger in left side, its quiet pressure exchanger illustrating to be also suitable for right side.
As in figure 2 it is shown, be provided with pressure-exchange water pocket 21 in pressure exchanging container 11, pressure-exchange water pocket 21 can in pressure exchanging container 11 expansion or shrinkage.In Fig. 2, Fig. 3, pressure-exchange water pocket 21 is in the state compressed.
Water pocket 21 has water pocket interface 6 and sea water imports and exports adapter 5, and sea water is imported and exported adapter 5 and connected with water pocket interface 6, and sea water inlet/outlet pipe interface 5 passes in and out two-way pipe 813 with sea water and connects.
Pressure exchanging container 11 has manhole 3 and dope imports and exports adapter 4, and dope imports and exports adapter 4 and manhole 3 connects, and dope is imported and exported adapter 4 and connected with the dope two-way pipe 723 of turnover in Fig. 1.
Pressure exchanging container 11 also has purge valve 110, and correspondingly, water pocket 21 also has purge valve 120.After the container purge valve arranged opens emptying air with water pocket atmospheric valve when starting, long-term place is in off position afterwards.
As shown in Figure 1, elevated tank 86 receives the sea water (through pretreatment such as filtrations) from water source 87, the pressure that the sea water of elevated tank 86 is formed by high potential difference by the road 88, multi-functional automatic valve (preferably three-way valve) 811, pipeline 813 enters into water pocket 21, it is filled with after water pocket 21 until sea water, valve 811 blocks pipeline 813 and pipeline 88, and pipeline 813 is connected with pipeline 821, such sea water enters into booster pump 85 through valve 811, high-pressure pump 84 receives the clean sea water through pretreatment from water source, high-pressure pump 84 and booster pump 85 share output pipe and are connected to the entrance of reverse osmosis membrane assembly 13.So in shared output pipe, sea water after supercharging again passes by booster 83 and is transported to the entrance of reverse osmosis membrane assembly 13.The dope exhaust of reverse osmosis membrane assembly 13 is connected to multi-functional automatic valve 731 by pipeline 71, multi-functional automatic valve 731 is also connected with the dope purging line 721 after dope passes in and out two-way pipeline 723 and release, pipeline 723 is optionally connected by multi-functional automatic valve 731 with pipeline 71, or is connected with pipeline 721 by pipeline 723.
In conjunction with Fig. 2, it is additionally provided with dope high signal measuring point 9 in the upside of pressure exchanger 11, and as it is shown in figure 5, is additionally provided with dope low level signal measuring point 10 in the downside of pressure exchanger 11.
In embodiment as shown in Figure 1, in figure, each arrow represents the flow direction of liquid.In order to keep system continuous and steady operation, the height of liquid level signal that multi-functional automatic valve 731, multi-functional automatic valve 811, multi-functional automatic valve 732, multi-functional automatic valve 812 all detect at dope high signal measuring point 9, dope low level signal measuring point 10 changes opening and closing under controlling automatically.
In FIG, the clean sea water 87 after seawater pretreatment system processes is entered native systems by two tunnels respectively, and sea water elevated tank 86 is gone on a road, and the sea water high-pressure pump 84 in frame dashed lines is gone on a road.
During system start-up in system all valves all in off position time, make the pressure-exchange water pocket 21 in pressure exchanging container 11 make sea water pass in and out two-way pipe 813 when multi-functional automatic valve 811 is opened to connect with 60% clean sea water (can also be other ratios) 88, after the full sea water of pressure-exchange water pocket 21 tympanites under the high potential difference pressure of sea water elevated tank 86, multi-functional automatic valve 811 performs two actions after obtaining full water signal by dope high signal measuring point 9: 1. cut off the two-way pipe 813 of sea water turnover and clean sea water passage 88；2. connection sea water passes in and out two-way pipe 813 and the passage holding pressure sea water entrance voltage balancer pipe 821, and valve 823 is opened, and holds pressure sea water and is exported by after booster pump 85 supercharging again.The multi-functional automatic valve of dope 731 opens the connection of the two-way pipe 723 of dope turnover and high pressure dope passage 71 simultaneously, the dope making high pressure dope pipeline 71 enters pressure exchanging container 11 and runs on a bank pressure-exchange water pocket 21, during due to liquid pressurized, decrement is minimum, counter-pressure is very big, in capsule, clean sea water 8 constantly extrudes under transmission at high pressure dope, external and internal pressure is of substantially equal, hold clean sea water 8 (general 60% in the capsule of same high pressure, can also be other ratios) the 6MPa reverse osmosis process operating pressure that is pressurized to via booster pump 85 by the multi-functional automatic valve 811 of sea water, 40% clean sea water (can also be other ratios) enters high-pressure pump 84 through pipeline 89, after high-pressure pump 84 equal with booster pump 85 60% clean seawater pressure out, thus the 100% clean sea water that common output channel flows out is flowed in seawater desalination reverse osmosis membrane module 13 and carries out desalination process, the water supply producing 40% through desalination is used, the dope amount produced is the 60% overbottom pressure energy also holding 5.8MPa.
So far, in order to reclaim this part dope pressure energy, dope is made constantly to enter pressure exchanging container 11, when 60% clean sea water 8 in compressive pressure exchange water pocket 21 is expelled to lowest safe waterline, dope multifunction valve 731 is closed, system stops dope and enters, and cuts off the passage of the two-way pipe 723 of dope turnover and high pressure dope 71.Open the two-way pipe 723 of dope turnover and release dope mouth 721 passage simultaneously.Opening again multi-functional automatic valve 811 simultaneously and pass in and out two-way pipe to water-filling in pressure-exchange water pocket 21 with sea water, the pressure that clean sea water 8 holds elevated tank 86 struts the dope after pressure-exchange water pocket 21 compresses release and discharges.When repeating again above operation order after dope emptying.
Collaborative work for left and right two quiet pressure exchangers is:
When above quiet pressure exchanging container 11 is expelled to lowest safe waterline former seconds at clean sea water 8, the pressure-exchange water pocket 21 outside draining of pressurized in quiet exchanging container, the quiet pressure exchanger on right side is started working simultaneously, the quiet pressure vessel in step and left side is substantially the same, pressure-exchange water pocket 22 in substantially quiet pressure exchanging container 12 is full of water pocket 22 at the clean sea water 8 of entrance by multi-functional automatic valve 812, dope enters into dope from high pressure dope pipeline 71 via multi-functional automatic valve 732 and passes in and out two-way pipe 724, enter back into pressure exchanging container 12, the clean sea water of in pressure-exchange water pocket 22 therein 60% is run on a bank, after pressure is held in transmission, clean sea water passes in and out two-way pipe 814 via sea water, then through by multi-functional automatic valve 812, then through pipeline valve 823, discharge then through by after booster pump 85 supercharging.Such two or quiet pressure exchanger more than two stagger the time, exchange, continuously and stably supplies clean sea water to reverse osmosis membrane assembly 13 ensures.
3rd embodiment
Equally possible understand the 3rd embodiment referring to figs. 1 through Fig. 5, it can be understood as first embodiment and the combination of the second embodiment, it considers the full content in Fig. 1, including the content in broken box, valve before valve 823 and high-pressure pump 84 is generally all in closed mode, high-pressure pump 84, booster pump 85 is corresponding voltage balancer 82 respectively, booster 83, play spare part effect, the effect of high-pressure pump 84 is directly to boost to reverse osmosis process operating pressure such as 6MPa, pump 84 can be used for former water is boosted, the effect of booster pump 85 is similar to booster 83, it is higher than power consumption under normal circumstances with the power consumption of spare part, spare parts and voltage balancer, booster is installed in parallel to be selected when actual motion for user.
Although the present invention is with preferred embodiment openly as above, but it is not for limiting the present invention, any those skilled in the art are without departing from the spirit and scope of the present invention, possible variation and amendment can be made, or make the design of more details, for instance pressure-exchange water pocket is made up of pressure, anticorrosion, resisting fatigue, soft-tissue material.Therefore, every content without departing from technical solution of the present invention, according to any amendment, equivalent variations and modification that above example is made by the technical spirit of the present invention, each fall within the protection domain that the claims in the present invention define.
Claims (10)
1. quiet pressure exchange system, it is characterised in that include
Quiet pressure exchanger, including pressure exchanging container and the pressure-exchange water pocket being positioned at pressure exchanging container, pressure-exchange water pocket can receive expansion in pressure exchanging container after the water at water source；
For hydraulic pressure being boosted or the pressurizer of supercharging；
Water warfare reverse osmosis membrane assembly, for the water of cleaning and the dope with overbottom pressure will be discharged after pending Water warfare, its outlet discharging dope is connected with pressure exchanging container by pipeline, so that the dope energy squeeze pressure exchange water pocket with overbottom pressure, so that the pending water of pressure-exchange water pocket is discharged with described overbottom pressure substantially equal pressure ground；
Wherein, the with pressure pending water that pressure-exchange water pocket is discharged is transported to Water warfare reverse osmosis membrane assembly after either directly or indirectly entering described pressurizer supercharging by pipeline with the pending water without pressure from water source and carries out water process.
2. quiet pressure exchange system as claimed in claim 1, it is characterised in that described quiet pressure exchange system also includes the pressure-equalizing device all pressed by the pending water of the different hydraulic pressure from different pipelines；Described pressure-equalizing device is that water voltage balancer is connected with pressure-exchange water pocket by pipeline, also connects with water source, mixes for the water with pressure by the water at water source with from pressure-exchange water pocket to reach the purpose all pressed；Described pressurizer includes water booster, is connected between water voltage balancer and Water warfare reverse osmosis membrane assembly by pipeline, for being transported to the entrance of Water warfare reverse osmosis membrane assembly after being boosted by the water in water voltage balancer.
3. quiet pressure exchange system as claimed in claim 1, it is characterized in that described water pressurizer includes high-pressure pump and booster pump, high-pressure pump receives the water from water source, correspondingly, this booster pump receives the water with pressure got rid of from pressure-exchange water pocket, high-pressure pump and booster have common output pipe, and this output pipe is connected to the entrance of Water warfare reverse osmosis membrane assembly.
4. quiet pressure exchange system as claimed in claim 1, it is characterized in that this system includes two or more quiet pressure exchangers, the discharge pipe line of the pressure-exchange water pocket of different quiet pressure exchangers is respectively arranged with control valve, in order to during the moisture of different pressure-exchange water pockets, discharge pending water with pressure.
5. quiet pressure exchange system as claimed in claim 1, it is characterised in that pressure-exchange water pocket is made up of pressure, anticorrosion, resisting fatigue, soft-tissue material.
6. quiet pressure exchange system as claimed in claim 1, it is characterised in that pressure-exchange water pocket is connected with the elevated tank higher than quiet pressure exchanger position by pipeline, in order to receive the water at water source.
7. quiet pressure exchange system as claimed in claim 6, it is characterised in that the water inlet pipe of pressure-exchange water pocket and outlet pipe are same pipeline, and connected respectively with the pipeline being connected water voltage balancer with the pipeline being connected elevated tank by three-way valve.
8. quiet pressure exchange system as claimed in claim 1, it is characterised in that the dope intake-discharge pipe of pressure exchanging container is same pipeline, and connected respectively with the pipeline of the dope exhaust being connected Water warfare reverse osmosis membrane assembly with discharge tube by three-way valve.
9. quiet pressure exchange system as claimed in claim 2, it is characterized in that this system also includes the first stand-by pump and second stand-by pump of parallel connection, first stand-by pump is connected by pipeline and pressure-exchange water pocket, so that receiving the water with pressure of pressure-exchange water pocket discharge and by its supercharging, second stand-by pump is for receiving the water from water source, and the water of the first stand-by pump and the output of the second stand-by pump passes through the common Pipeline transport entrance to Water warfare reverse osmosis membrane assembly.
10. quiet pressure-exchange method, its feature is in will come from elevated tank or have the pending water inputted in the pipeline of pressure to be full of the pressure-exchange water pocket being arranged in pressure exchanging container by multi-functional automatic valve, high pressure dope anti-penetration wastewater disposal technique produced enters, through multi-functional automatic valve, the pending water in water pocket wall that runs on a bank between pressure exchanger inwall and pressure-exchange water pocket outer wall, make its increase to dope uniform pressure being discharged by multifunction valve, boost after all pressures together with supplementing pending water or directly boost, enter anti-penetration wastewater disposal assembly after making pending water boost to the operating pressure needed for anti-penetration wastewater disposal technique further and carry out water process, the clean water supply produced is used, and high pressure dope is transported to pressure exchanger pressure recovery energy.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410598164.9A CN104307370B (en) | 2014-10-30 | 2014-10-30 | Quiet pressure exchange system and quiet pressure-exchange method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410598164.9A CN104307370B (en) | 2014-10-30 | 2014-10-30 | Quiet pressure exchange system and quiet pressure-exchange method |
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| CN104307370A CN104307370A (en) | 2015-01-28 |
| CN104307370B true CN104307370B (en) | 2016-06-29 |
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| CN114409112A (en) * | 2022-01-10 | 2022-04-29 | 珠海格力电器股份有限公司 | Water purifier control method and device and water purifier |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7661932B2 (en) * | 2004-05-05 | 2010-02-16 | Kuwait Institute For Scientific Research | Pressure exchange apparatus |
| CN203043847U (en) * | 2013-01-11 | 2013-07-10 | 北京碧水源膜科技有限公司 | Energy recycling device for seawater desalination reverse osmosis system |
| CN204193792U (en) * | 2014-10-30 | 2015-03-11 | 顾志龙 | Quiet pressure exchange system |
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2014
- 2014-10-30 CN CN201410598164.9A patent/CN104307370B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7661932B2 (en) * | 2004-05-05 | 2010-02-16 | Kuwait Institute For Scientific Research | Pressure exchange apparatus |
| CN203043847U (en) * | 2013-01-11 | 2013-07-10 | 北京碧水源膜科技有限公司 | Energy recycling device for seawater desalination reverse osmosis system |
| CN204193792U (en) * | 2014-10-30 | 2015-03-11 | 顾志龙 | Quiet pressure exchange system |
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| CN104307370A (en) | 2015-01-28 |
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