CN106186409A - Varying duty adjusting means and seawater desalination system and method - Google Patents
Varying duty adjusting means and seawater desalination system and method Download PDFInfo
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- CN106186409A CN106186409A CN201610800194.2A CN201610800194A CN106186409A CN 106186409 A CN106186409 A CN 106186409A CN 201610800194 A CN201610800194 A CN 201610800194A CN 106186409 A CN106186409 A CN 106186409A
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- 238000010612 desalination reaction Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 15
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- 230000004044 response Effects 0.000 claims abstract description 29
- 238000011033 desalting Methods 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000001276 controlling effect Effects 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims abstract description 6
- 230000008878 coupling Effects 0.000 claims abstract description 5
- 238000010168 coupling process Methods 0.000 claims abstract description 5
- 238000005859 coupling reaction Methods 0.000 claims abstract description 5
- 239000012528 membrane Substances 0.000 claims description 65
- 238000001223 reverse osmosis Methods 0.000 claims description 65
- 238000004659 sterilization and disinfection Methods 0.000 claims description 19
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- 230000001172 regenerating effect Effects 0.000 claims description 11
- 239000013505 freshwater Substances 0.000 claims description 8
- 230000001954 sterilising effect Effects 0.000 claims description 5
- 238000000108 ultra-filtration Methods 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000012510 hollow fiber Substances 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 11
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/06—Energy recovery
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
- B01D61/08—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/20—Accessories; Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/22—Controlling or regulating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention relates to field of sea water desalting technology, especially relate to a kind of varying duty adjusting means and seawater desalination system and method.Varying duty adjusting means includes Water Hydraulic Axial Piston Pump, energy recycle device, converter, motor for double-ended drive and control device, controls device and electrically connects with converter, and converter electrically connects with motor for double-ended drive, for regulating the rotating speed of motor for double-ended drive；The main axle stretch end of motor for double-ended drive is connected with the power transmission shaft of Water Hydraulic Axial Piston Pump by shaft coupling, and the secondary axle stretch end of motor for double-ended drive is connected with the hydraulic energy outfan of energy recycle device；Control device to electrically connect with Water Hydraulic Axial Piston Pump, for controlling the discharge capacity of Water Hydraulic Axial Piston Pump.Seawater desalination system includes varying duty adjusting means.Present invention also offers a kind of method for desalting seawater.The present invention can regulate the response rate of system, on the basis of reducing system energy consumption, promotes adaptation ability and the continuous firing ability of system external portion energy input undulatory property.
Description
Technical field
The present invention relates to field of sea water desalting technology, especially relate to a kind of varying duty adjusting means and seawater desalination system
With method.
Background technology
Fresh water is human lives, the indispensable basic resources of commercial production.Coastal, the island etc. of fresh water are lacked in many
Area, desalination technology is the most extensively applied, and has more than 300,000,000 people at present in the whole world and is using desalinization water.Sea water is light
Change is the technology consuming mass energy, use the clean energy resource such as solar energy, wind energy be seawater desalination system energy supply for away from
The occasion of the conventional energy resources such as electrical network is highly significant.The clean energy resource such as solar energy, wind energy has the characteristic of instability, conventional sea water
Desalination system needs stable power supply, more sensitive to the undulatory property of power supply, when there is fluctuation in extra power input, and conventional sea
Water desalination system cannot adapt to the requirement of clean energy resource varying duty, and system frequent shutdown, operational factor cannot adapt realities
Utilize the energy the most to greatest extent.
Additionally, energy consumption has become as one of key factor of restriction desalination technology development.At reverse osmosis seawater desalting
In system, energy consumption index depends primarily on high-pressure pump, booster pump etc., and wherein high-pressure pump is main energy consumption equipment, so high-pressure pump
Operational efficiency be one of principal element affecting seawater desalination system water producing cost.When extra power input is less than high-pressure pump
When running power, the rotating speed of high-pressure pump reduces, and the aquifer yield of counter-infiltration system declines, when extra power input is reduced to tie up
Hold counter-infiltration system properly functioning time, counter-infiltration system will cut out.
Summary of the invention
It is an object of the invention to provide a kind of varying duty adjusting means and seawater desalination system, to solve existing sea water
The technical problem that under the conditions of the energy consumption that desalination system exists is high, energy input is fluctuated, energy utilization rate is low.
The present invention also aims to provide a kind of method for desalting seawater, to solve what existing method for desalting seawater existed
The technical problem that under the conditions of energy consumption is high, energy input is fluctuated, energy utilization rate is low.
Based on above-mentioned first purpose, on the one hand, the invention provides a kind of varying duty adjusting means, including hydraulic pressure axial columns
Plug pump, energy recycle device, converter, motor for double-ended drive and control device, described control device electrically connects with described converter,
Described converter electrically connects with described motor for double-ended drive, for regulating the rotating speed of described motor for double-ended drive；Described motor for double-ended drive
Main axle stretch end be connected by the power transmission shaft of shaft coupling with described Water Hydraulic Axial Piston Pump, the secondary axes of described motor for double-ended drive are stretched
End is connected with the hydraulic energy outfan of described energy recycle device；Described control device is electrically connected with described Water Hydraulic Axial Piston Pump
Connect, for controlling the discharge capacity of described Water Hydraulic Axial Piston Pump.
Based on above-mentioned first purpose, on the other hand, present invention also offers a kind of seawater desalination system, described desalinization
System includes former water tank, feed pump, pretreatment unit, reverse osmosis membrane group and described varying duty adjusting means, described former water
Water tank is connected with the water inlet of described feed pump, and the outlet of described feed pump is connected with the input of described pretreatment unit
Logical, the outfan of described pretreatment unit is connected with the water inlet of described Water Hydraulic Axial Piston Pump, described hydraulic pressure axial plunger
The outlet of pump is connected with the water inlet of described reverse osmosis membrane group, and the dense water out of described reverse osmosis membrane group returns with described energy
The high-pressure thick water inlet of receiving apparatus is connected.
Further, described pretreatment unit includes a more medium filter and multiple accurate filter.
Further, described pretreatment unit is hollow-fibre ultrafiltration device.
Further, ultraviolet-sterilization equipment, the entrance of described ultraviolet-sterilization equipment and described reverse osmosis membrane group are also included
Product water out is connected.
Further, the water inlet of described Water Hydraulic Axial Piston Pump is provided with feed water flow gauge, described feed water flow gauge with
Described control device electrically connects.
Further, the product water out of described reverse osmosis membrane group is provided with water flow meter, described water flow meter and institute
State control device electrical connection.
Further, the low-press thick water out of described energy recycle device is provided with energy regenerating effusion meter, described energy
Reclaim effusion meter to electrically connect with described control device.
Further, the water inlet of described reverse osmosis membrane group, the dense water out of described reverse osmosis membrane group return with described energy
The low-press thick water out of receiving apparatus is provided with Pressure gauge；Described Pressure gauge electrically connects with described control device respectively.
Based on above-mentioned second purpose, the invention provides a kind of method for desalting seawater, comprise the following steps:
(1) the former sea water in former water tank enters pretreatment unit through feed pump, and pretreated former sea water is through water
Pressure axial plunger pump enters reverse osmosis membrane group；
(2) described reverse osmosis membrane group carries out desalting processing to former sea water, and ultraviolet-sterilization equipment is to from described reverse osmosis membrane group
Produce water out flow out fresh water carry out sterilization processing；Varying duty adjusting means is by from the dense water out stream of described reverse osmosis membrane group
The hydraulic energy of the high-pressure thick water gone out passes to former sea water, simultaneously discharge low-press thick water；
(3) pressure needed for described varying duty adjusting means regulates described reverse osmosis membrane group and the response rate.
Compared with prior art, the invention have the benefit that
A kind of varying duty adjusting means that the present invention provides, including Water Hydraulic Axial Piston Pump, energy recycle device, frequency conversion
Device, motor for double-ended drive and control device, described control device electrically connects with described converter, described converter and described Double shaft-extension
Motor electrically connects, for regulating the rotating speed of described motor for double-ended drive；The main axle stretch end of described motor for double-ended drive by shaft coupling with
The power transmission shaft of described Water Hydraulic Axial Piston Pump is connected, the secondary axle stretch end of described motor for double-ended drive and described energy recycle device
Hydraulic energy outfan is connected；Described control device electrically connects with described Water Hydraulic Axial Piston Pump, is used for controlling described hydraulic pressure axle
To plunger pump delivery.The varying duty adjusting means that the present invention provides, can be when there is fluctuation in extra power input, by control
Device processed instructs to converter output frequency, and converter is according to the rotating speed of instruction regulation motor for double-ended drive, thus regulates hydraulic pressure simultaneously
Axial plunger pump and the rotating speed of described energy recycle device；Meanwhile, control device and instruct to Water Hydraulic Axial Piston Pump output discharge capacity,
Regulate the discharge capacity of Water Hydraulic Axial Piston Pump adaptively, change the response rate of system so that reverse osmosis membrane group in safety and
Run under the response rate optimized.When the low energy inputs, reduced the rotating speed of motor for double-ended drive by converter, make hydraulic pressure axial columns
The rotating speed of plug pump and the rotating speed of energy recycle device reduce simultaneously, and suitably increase the discharge capacity of Water Hydraulic Axial Piston Pump, improve
The response rate of system, to promote pressure and the aquifer yield of system, it is to avoid system is closed down to reach osmotic pressure because of insufficient pressure；?
During high-energy input, improved the rotating speed of motor for double-ended drive by converter, make rotating speed and the energy regenerating of Water Hydraulic Axial Piston Pump
The rotating speed of device improves simultaneously, and suitably reduces the discharge capacity of Water Hydraulic Axial Piston Pump, suitably turns down the response rate, reduces system pressure
Power, it is to avoid hypertonia and damage reverse osmosis membrane group.Therefore, the varying duty adjusting means that the present invention provides, it is possible to reducing system
On the basis of system energy consumption, promote adaptation ability and the continuous firing ability of system external portion energy input undulatory property.
The present invention provide seawater desalination system, including former water tank, feed pump, pretreatment unit, reverse osmosis membrane group and
Varying duty adjusting means as claimed in claim 1, described former water tank is connected with the water inlet of described feed pump, described gives
The outlet of water pump is connected with the input of described pretreatment unit, the outfan of described pretreatment unit and described hydraulic pressure axle
Being connected to the water inlet of plunger displacement pump, the outlet of described Water Hydraulic Axial Piston Pump is connected with the water inlet of described reverse osmosis membrane group
Logical, the dense water out of described reverse osmosis membrane group is connected with the high-pressure thick water inlet of described energy recycle device.By arranging change
Weight adjustment device, when there is fluctuation in extra power input, it is possible to while the rotating speed of regulation motor for double-ended drive, adaptability
The discharge capacity of ground regulation Water Hydraulic Axial Piston Pump, changes the response rate of system, makes reverse osmosis membrane group in safety and the response rate of optimization
Lower operation.When the low energy inputs, control device and reduced the rotating speed of motor for double-ended drive by converter, make Water Hydraulic Axial Piston Pump
Rotating speed and the rotating speed of energy recycle device reduce simultaneously, and suitably increase the discharge capacity of Water Hydraulic Axial Piston Pump, improve system
The response rate, to promote pressure and the aquifer yield of system, it is to avoid system is closed down to reach osmotic pressure because of insufficient pressure；At high energy
During amount input, suitably turn down the response rate, reduce system pressure, it is to avoid hypertonia and damage reverse osmosis membrane group.Additionally, the present invention
The seawater desalination system provided, by arranging varying duty adjusting means, and introduces energy recycle device, it is possible to reducing system
On the basis of energy consumption, promote adaptation ability and the continuous firing ability of system external portion energy input undulatory property.
A kind of method for desalting seawater that the present invention provides, comprises the following steps:
(1) the former sea water in former water tank enters pretreatment unit through feed pump, and pretreated former sea water is through water
Pressure axial plunger pump enters reverse osmosis membrane group；
(2) described reverse osmosis membrane group carries out desalting processing to former sea water, and ultraviolet-sterilization equipment is to from described reverse osmosis membrane group
Produce water out flow out fresh water carry out sterilization processing；Varying duty adjusting means is by from the dense water out stream of described reverse osmosis membrane group
The hydraulic energy of the high-pressure thick water gone out passes to former sea water, simultaneously discharge low-press thick water；
(3) pressure needed for described varying duty adjusting means regulates described reverse osmosis membrane group and the response rate.
A kind of method for desalting seawater that the present invention provides, in system operation, controls device to converter output frequency
Rate instructs, and converter is according to the rotating speed of instruction regulation motor for double-ended drive, thus regulation Water Hydraulic Axial Piston Pump and described energy simultaneously
The rotating speed of retracting device；Meanwhile, control device and instruct to Water Hydraulic Axial Piston Pump output discharge capacity, thus regulate hydraulic pressure axial plunger
Pump delivery.
When extra power input is less than the operation power of described Water Hydraulic Axial Piston Pump, described control device is by described
Converter reduces the rotating speed of described motor for double-ended drive, makes the rotating speed of described Water Hydraulic Axial Piston Pump and described energy recycle device
Rotating speed reduces simultaneously, and by increasing the discharge capacity of described Water Hydraulic Axial Piston Pump, improves the response rate of system, to promote system
Pressure and aquifer yield；
When extra power input is higher than the operation power of described Water Hydraulic Axial Piston Pump, described control device is by described
Converter improves the rotating speed of described motor for double-ended drive, makes the rotating speed of described Water Hydraulic Axial Piston Pump and described energy recycle device
Rotating speed improves simultaneously, and by reducing the discharge capacity of described Water Hydraulic Axial Piston Pump, reduces the response rate of system, to reduce system
Pressure and aquifer yield.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to specifically
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the varying duty adjusting means that Fig. 1 provides for the embodiment of the present invention one；
The structural representation of the seawater desalination system that Fig. 2 provides for the embodiment of the present invention two.
Reference:
101-Water Hydraulic Axial Piston Pump；102-energy recycle device；103-converter；
104-motor for double-ended drive；The former water tank of 105-；106-feed pump；
107-pretreatment unit；108-reverse osmosis membrane group；109-controls device；
110-ultraviolet-sterilization equipment；111-feed water flow gauge；112-water flow meter；
113-energy regenerating effusion meter；114-Pressure gauge.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described enforcement
Example is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertically ",
Orientation or the position relationship of the instruction such as " level ", " interior ", " outward " they are based on orientation shown in the drawings or position relationship, merely to
Be easy to describe the present invention and simplifying describe rather than instruction or the hint device of indication or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicate or hint relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, can understand that above-mentioned term is at this with concrete condition
Concrete meaning in invention.
Below by specific embodiment and combine accompanying drawing the present invention is described in further detail.
Embodiment one
The structural representation of the varying duty adjusting means that Fig. 1 provides for the embodiment of the present invention one.Shown in Figure 1, this reality
Execute example and provide a kind of varying duty adjusting means, including Water Hydraulic Axial Piston Pump 101, energy recycle device 102, converter 103,
Motor for double-ended drive 104 and control device 109, control device 109 and electrically connect with converter 103, converter 103 and motor for double-ended drive
104 electrical connections, for regulating the rotating speed of motor for double-ended drive 104；The main axle stretch end of motor for double-ended drive 104 passes through shaft coupling and hydraulic pressure
The power transmission shaft of axial plunger pump 101 is connected, the secondary axle stretch end of motor for double-ended drive 104 and the hydraulic energy of energy recycle device 102
Outfan is connected；Control device 109 to electrically connect with Water Hydraulic Axial Piston Pump 101, for controlling Water Hydraulic Axial Piston Pump 101
Discharge capacity.The present embodiment uses existing Water Hydraulic Axial Piston Pump 101, has swash plate, by changing the size of swashplate angle with regard to energy
Enough Water Hydraulic Axial Piston Pump 101 pump delivery is adjusted.Energy recycle device 102 is used to reclaim reverse osmosis seawater desalting
The hydraulic energy of the strong brine in system, and it is converted into the device of the water inlet hydraulic energy of reverse osmosis membrane.Existing energy regenerating
Device includes hydraulic turbine formula, piston motor formula energy recycle device and Work-exchange type energy recovery device.
As preferably, the energy recycle device that the present embodiment provides can use existing hydraulic turbine formula energy regenerating to fill
Putting, wherein, hydraulic energy outfan is impeller shaft, and impeller shaft is connected with the secondary axle stretch end of motor for double-ended drive 104, and impeller turns
Axle rotates, it is possible to drives the secondary axle stretch end of motor for double-ended drive 104 and main axle stretch end to rotate simultaneously, thus drives hydraulic pressure axial plunger
The power transmission shaft of pump 101 rotates, it is achieved that the hydraulic energy reclaiming strong brine reduces the purpose of motor electric energy output simultaneously.
As preferably, the energy recycle device that the present embodiment provides can also use existing piston motor formula energy regenerating
Device, wherein, hydraulic energy outfan is cylinder body rotating shaft, and cylinder body rotating shaft is connected with the secondary axle stretch end of motor for double-ended drive 104, cylinder body
Rotating shaft rotates, it is possible to drives the secondary axle stretch end of motor for double-ended drive 104 and main axle stretch end to rotate simultaneously, thus drives hydraulic pressure axial columns
The power transmission shaft of plug pump 101 rotates, it is achieved that the hydraulic energy reclaiming strong brine reduces the purpose of motor electric energy output simultaneously.
The varying duty adjusting means that the present embodiment provides, can be filled by control when extra power input occurs fluctuation
Putting 109 to instruct to converter 103 output frequency, converter 103 depends on and instructs the rotating speed regulating motor for double-ended drive 104, thus simultaneously
Regulation Water Hydraulic Axial Piston Pump 101 and the rotating speed of energy recycle device 102；Meanwhile, device 109 is controlled to Water Hydraulic Axial Piston Pump
101 output discharge capacity instructions, regulate the discharge capacity of Water Hydraulic Axial Piston Pump 101 adaptively, change the response rate of system, so that instead
Permeable membrane group is run under safety and the response rate that optimizes.When the low energy inputs, reduce Double shaft-extension electricity by converter 103
The rotating speed of machine 104, makes the rotating speed of Water Hydraulic Axial Piston Pump 101 and the rotating speed of energy recycle device 102 reduce simultaneously, and suitably
Increase the discharge capacity of Water Hydraulic Axial Piston Pump 101, improve the response rate of system, to promote pressure and the aquifer yield of system, it is to avoid be
Unite because insufficient pressure is closed down to reach osmotic pressure；When high-energy source inputs, improve motor for double-ended drive 104 by converter 103
Rotating speed, make the rotating speed of Water Hydraulic Axial Piston Pump 101 and the rotating speed of energy recycle device 102 improve simultaneously, and suitably reduce
The discharge capacity of Water Hydraulic Axial Piston Pump 101, suitably turns down the response rate, to reduce system pressure, it is to avoid hypertonia and damage reverse osmosis
Permeable membrane group.Therefore, the present invention is by arranging varying duty adjusting means, it is possible on the basis of reducing system energy consumption, promotes system
Adaptation ability and continuous firing ability to extra power input undulatory property.
It should be noted that in the alternative of the embodiment one of present invention offer, energy recycle device 102 not only limits to
In above two form, it is also possible to select the energy recycle device of other forms according to the actual treatment ability of seawater desalination system
102, in order to realize reducing the function of the adaptation ability of system energy consumption, lifting system external portion energy input undulatory property；For it
Energy recycle device 102 the present embodiment one of his form the most specifically repeats.
Embodiment two
The structural representation of the seawater desalination system that Fig. 2 provides for the embodiment of the present invention two.Shown in Figure 2, this enforcement
Example provides a kind of seawater desalination system, including former water tank 105, feed pump 106, pretreatment unit 107, reverse osmosis membrane group
108 and varying duty adjusting means, wherein, varying duty adjusting means uses the varying duty adjusting means that embodiment one provides.Former water
Water tank 105 is connected with the water inlet of feed pump 106, and the outlet of feed pump 106 is connected with the input of pretreatment unit 107
Logical, pretreatment unit 107 can remove the impurity such as the colloid in former sea water, float and antibacterial, the output of pretreatment unit 107
End is connected with the water inlet of water pressure plunger pump 101, the outlet of water pressure plunger pump 101 and the water inlet of reverse osmosis membrane group 108
Being connected, the dense water out of reverse osmosis membrane group 108 is connected with the high-pressure thick water inlet of energy recycle device 102.Wherein, reverse osmosis
Permeable membrane group 108 can use existing wound membrane element, has higher desalting effect, it is ensured that the water outlet under load shedding state
Water quality.Additionally, the quantity of reverse osmosis membrane group can also select according to the actual treatment ability of seawater desalination system.
The seawater desalination system that the present embodiment provides, by arranging varying duty adjusting means, occurs in extra power input
During fluctuation, it is possible to while the rotating speed of regulation motor for double-ended drive 104, regulate the row of Water Hydraulic Axial Piston Pump 101 adaptively
Amount, changes the response rate of system, makes reverse osmosis membrane group 108 run under the response rate of safety and optimization.When the low energy inputs,
Control device 109 and reduced the rotating speed of motor for double-ended drive 104 by converter 103, make rotating speed and the energy of Water Hydraulic Axial Piston Pump 101
The rotating speed of amount retracting device 102 reduces simultaneously, and suitably increases the discharge capacity of Water Hydraulic Axial Piston Pump 101, improves returning of system
Yield, to promote pressure and the aquifer yield of system, it is to avoid system is closed down to reach osmotic pressure because of insufficient pressure；Defeated at high-energy
Fashionable, suitably turn down the response rate, reduce system pressure, it is to avoid hypertonia and damage reverse osmosis membrane group 108.Additionally, the present invention
The seawater desalination system provided, by arranging varying duty adjusting means, and introduces energy recycle device 102, it is possible to reducing
On the basis of system energy consumption, promote adaptation ability and the continuous firing ability of system external portion energy input undulatory property.
In the alternative of the present embodiment, pretreatment unit 107 includes a more medium filter and multiple accurate mistake
Filter.More medium filter is to utilize one or more filter mediums, makes the water that turbidity is higher by one under pressure
Determining the granular or non-grain material of thickness, thus effectively remove suspended impurity and make the device of clarification of water, conventional filtrate has quartz sand,
Anthracite, manganese sand etc..The more medium filter of the present embodiment can use existing quartz filter, quartz sand filtration utensil
Have that the rate of filtration is fast, process the advantages such as flow is big, retaining power is big.
The cylinder shell of accurate filter typically uses stainless steel manufacture, the internal PP of employing is melt-blown, line burns, fold,
The tubulose filter element such as titanium filter core, active carbon filter core is as filter element, and the filtering accuracy of accurate filter is high, filter element uniform pore diameter,
Filtration resistance is little, and flux is big, retaining power is strong, and material for core cleanliness factor is high, pollution-free to filter medium.
In this alternative, pretreatment unit 107 uses the combination of more medium filter and accurate filter, it is possible to effectively
Remove the biologies such as impurity and algae such as the silt particle in former sea water, float, colloid, reduce the mechanical damage to reverse-osmosis membrane element
And pollute, and ensure that the water quality reaching standard producing water.
In another alternative of the present embodiment, pretreatment unit 107 is hollow-fibre ultrafiltration device.Pretreatment unit
107 use existing hollow-fibre ultrafiltration device, it is possible to remove the impurity such as the thalline in former sea water, colloid, particulate matter, for reverse osmosis
Permeable membrane group 108 provides the water source meeting influent quality requirement.
The seawater desalination system that the present embodiment provides, also includes ultraviolet-sterilization equipment 110, entering of ultraviolet-sterilization equipment 110
Mouth is connected with the product water out of reverse osmosis membrane group 108.
The ultraviolet-sterilization equipment 110 that the present embodiment uses is existing ultraviolet-sterilization equipment, sets by arranging ultraviolet-sterilization
Standby 110, it is possible to carry out sterilization processing to from the fresh water producing water out outflow of reverse osmosis membrane group 108, it is ensured that the quality of fresh water.
The water inlet of the Water Hydraulic Axial Piston Pump 101 that the present embodiment provides is provided with feed water flow gauge 111, reverse osmosis membrane group
The product water out of 108 is provided with water flow meter 112；Feed water flow gauge 111 and water flow meter 112 respectively with control device
109 electrical connections.
When there is fluctuation in extra power input, the rotating speed of regulation motor for double-ended drive 104, meanwhile, regulate water adaptively
The discharge capacity of pressure axial plunger pump 101, changes the response rate of system, makes reverse osmosis membrane group 108 in safety and the response rate that optimizes
Lower operation.By arranging feed water flow gauge 111 and water flow meter 112, can be according to feed water flow gauge 111 and water flow meter
Flow measured by 112, calculates the response rate of system, according to the calculated response rate, and regulation hydraulic pressure axial columns further
The discharge capacity of plug pump 101, until the response rate meets system requirements.
The low-press thick water out of the energy recycle device 102 that the present embodiment provides is provided with energy regenerating effusion meter 113, energy
Amount reclaims effusion meter 113 and electrically connects with controlling device 109.By arranging energy regenerating effusion meter 113, low-press thick water can be obtained
Flow, and then the flow of the high-pressure thick water of the dense water out of reverse osmosis membrane group 108 can be calculated such that it is able to the most right
The discharge capacity of Water Hydraulic Axial Piston Pump 101 carries out adapt, to ensure that reverse osmosis membrane group 108 is in safety and the recovery that optimizes
Run under rate.
The water inlet of reverse osmosis membrane group 108, the dense water out of reverse osmosis membrane group 108 and the energy regenerating that the present embodiment provides
The low-press thick water out of device 102 is provided with Pressure gauge 114；Pressure gauge 114 electrically connects with control device 109 respectively.
By arranging Pressure gauge 114, it is possible to learn the pressure of the water inlet of reverse osmosis membrane group 108, reverse osmosis membrane group 108
The pressure of the low-press thick water out of the pressure of dense water out and energy recycle device 102, thus system pressure is supervised in real time
Control and regulation, it is ensured that system can continue to run efficiently.
Embodiment three
A kind of method for desalting seawater that the embodiment of the present invention three provides, is the seawater desalination system utilizing embodiment two to provide
Method for desalting seawater, comprise the following steps:
(1) the former sea water in former water tank 105 enters pretreatment unit 107, pretreatment unit 107 through feed pump 106
Can remove the impurity such as the colloid in former sea water, float, antibacterial, pretreated former sea water is through Water Hydraulic Axial Piston Pump
101 enter reverse osmosis membrane group 108；
(2) reverse osmosis membrane group 108 carries out desalting processing to former sea water, and ultraviolet-sterilization equipment 110 is to from reverse osmosis membrane group 108
Produce water out flow out fresh water carry out sterilization processing；Varying duty adjusting means is by from the dense water out outflow of reverse osmosis membrane group
The hydraulic energy of high-pressure thick water passes to former sea water, simultaneously discharge low-press thick water；
(3) pressure needed for varying duty adjusting means regulation reverse osmosis membrane group 108 and the response rate.
The method for desalting seawater that the present embodiment provides, in system operation, controls device 109 defeated according to extra power
Entering situation, instruct to converter 103 output frequency, converter 103 regulates the rotating speed of motor for double-ended drive 104 according to instruction, thus same
Time regulation the Water Hydraulic Axial Piston Pump 101 and rotating speed of energy recycle device 102；Meanwhile, device 109 is controlled to hydraulic pressure axial plunger
Pump 101 exports discharge capacity instruction, thus regulates the discharge capacity of Water Hydraulic Axial Piston Pump 101.
When extra power input is less than the operation power of Water Hydraulic Axial Piston Pump 101, controls device 109 and pass through converter
103 rotating speeds reducing motor for double-ended drives 104, make the rotating speed of the rotating speed of Water Hydraulic Axial Piston Pump 101 and energy recycle device 102 with
Time reduce, and by reduce energy recycle device 102 discharge capacity or increase Water Hydraulic Axial Piston Pump 101 discharge capacity, improve system
The response rate of system, to promote pressure and the aquifer yield of system；
When extra power input is higher than the operation power of Water Hydraulic Axial Piston Pump 101, controls device 109 and pass through converter
103 rotating speeds improving motor for double-ended drives 104, make the rotating speed of the rotating speed of Water Hydraulic Axial Piston Pump 101 and energy recycle device 102 with
Shi Tigao, and by increasing the discharge capacity of energy recycle device 102 or reducing the discharge capacity of Water Hydraulic Axial Piston Pump 101, reduce system
The response rate of system, to reduce pressure and the aquifer yield of system.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on
So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered
Row equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a varying duty adjusting means, it is characterised in that: include Water Hydraulic Axial Piston Pump, energy recycle device, converter, double
Axle is stretched motor and controls device, and described control device electrically connects with described converter, described converter and described motor for double-ended drive
Electrical connection, for regulating the rotating speed of described motor for double-ended drive；The main axle stretch end of described motor for double-ended drive passes through shaft coupling with described
The power transmission shaft of Water Hydraulic Axial Piston Pump is connected, the secondary axle stretch end of described motor for double-ended drive and the waterpower of described energy recycle device
Can be connected by outfan；Described control device electrically connects with described Water Hydraulic Axial Piston Pump, is used for controlling described hydraulic pressure axial columns
Plug pump delivery.
2. a seawater desalination system, it is characterised in that: include former water tank, feed pump, pretreatment unit, reverse osmosis membrane group and
Varying duty adjusting means as claimed in claim 1, described former water tank is connected with the water inlet of described feed pump, described gives
The outlet of water pump is connected with the input of described pretreatment unit, the outfan of described pretreatment unit and described hydraulic pressure axle
Being connected to the water inlet of plunger displacement pump, the outlet of described Water Hydraulic Axial Piston Pump is connected with the water inlet of described reverse osmosis membrane group
Logical, the dense water out of described reverse osmosis membrane group is connected with the high-pressure thick water inlet of described energy recycle device.
Seawater desalination system the most according to claim 2, it is characterised in that: described pretreatment unit includes a multimedium
Filter and multiple accurate filter.
Seawater desalination system the most according to claim 2, it is characterised in that: described pretreatment unit is Hollow Fiber Ultrafiltration
Device.
Seawater desalination system the most according to claim 2, it is characterised in that: also include ultraviolet-sterilization equipment, described ultraviolet
The entrance of disinfection equipment is connected with the product water out of described reverse osmosis membrane group.
Seawater desalination system the most according to claim 2, it is characterised in that: the water inlet of described Water Hydraulic Axial Piston Pump sets
Being equipped with feed water flow gauge, described feed water flow gauge electrically connects with described control device.
Seawater desalination system the most according to claim 2, it is characterised in that: the product water out of described reverse osmosis membrane group is arranged
Water flow meter, described water flow meter is had to electrically connect with described control device.
Seawater desalination system the most according to claim 2, it is characterised in that: the low-press thick water of described energy recycle device goes out
Mouth is provided with energy regenerating effusion meter, and described energy regenerating effusion meter electrically connects with described control device.
Seawater desalination system the most according to claim 2, it is characterised in that: the water inlet of described reverse osmosis membrane group, described
The dense water out of reverse osmosis membrane group and the low-press thick water out of described energy recycle device are provided with Pressure gauge；Described Pressure gauge
Electrically connect with described control device respectively.
10. a method for desalting seawater, it is characterised in that: comprise the following steps:
(1) the former sea water in former water tank enters pretreatment unit through feed pump, and pretreated former sea water is through hydraulic pressure axle
Reverse osmosis membrane group is entered to plunger displacement pump；
(2) described reverse osmosis membrane group carries out desalting processing to former sea water, and ultraviolet-sterilization equipment is to the product from described reverse osmosis membrane group
The fresh water that water out flows out carries out sterilization processing；Varying duty adjusting means is by from the dense water out outflow of described reverse osmosis membrane group
The hydraulic energy of high-pressure thick water passes to former sea water, simultaneously discharge low-press thick water；
(3) pressure needed for described varying duty adjusting means regulates described reverse osmosis membrane group and the response rate.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107445322A (en) * | 2017-09-06 | 2017-12-08 | 北京大学深圳研究生院 | One kind miniaturization reverse osmosis seawater desalination system |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215051A (en) * | 2008-01-10 | 2008-07-09 | 杭州（火炬）西斗门膜工业有限公司 | Minitype sea water desalination system water treatment technique |
| CN101913716A (en) * | 2010-07-20 | 2010-12-15 | 国家海洋局天津海水淡化与综合利用研究所 | Small reverse osmosis seawater desalting system with energy reclaiming high-pressure pump |
| CN102030392A (en) * | 2010-11-30 | 2011-04-27 | 汕头大学 | Wind and solar hybrid reverse osmosis desalination device |
| CN103626262A (en) * | 2013-10-23 | 2014-03-12 | 国家海洋局天津海水淡化与综合利用研究所 | Variable load reverse osmosis seawater desalting system and method |
| CN103787462A (en) * | 2014-01-22 | 2014-05-14 | 厦门溢盛环保科技有限公司 | Low-energy consumption seawater desalinating technology and low-energy consumption seawater desalinating device |
| CN204022608U (en) * | 2014-08-19 | 2014-12-17 | 中国水利水电科学研究院 | Be applicable to the high-recovery brackish water desalination device that new forms of energy are independently-powered |
| CN204058116U (en) * | 2014-07-08 | 2014-12-31 | 浙江华强环境科技有限公司 | A kind of seawater desalination system |
| CN104402091A (en) * | 2014-11-26 | 2015-03-11 | 杭州水处理技术研究开发中心有限公司 | Sea water desalination reverse osmosis device capable of operating in real time with variable load |
| CN206051711U (en) * | 2016-08-31 | 2017-03-29 | 北京三清智库科技开发有限公司 | Varying duty adjusting means and seawater desalination system |
-
2016
- 2016-08-31 CN CN201610800194.2A patent/CN106186409A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101215051A (en) * | 2008-01-10 | 2008-07-09 | 杭州（火炬）西斗门膜工业有限公司 | Minitype sea water desalination system water treatment technique |
| CN101913716A (en) * | 2010-07-20 | 2010-12-15 | 国家海洋局天津海水淡化与综合利用研究所 | Small reverse osmosis seawater desalting system with energy reclaiming high-pressure pump |
| CN102030392A (en) * | 2010-11-30 | 2011-04-27 | 汕头大学 | Wind and solar hybrid reverse osmosis desalination device |
| CN103626262A (en) * | 2013-10-23 | 2014-03-12 | 国家海洋局天津海水淡化与综合利用研究所 | Variable load reverse osmosis seawater desalting system and method |
| CN103787462A (en) * | 2014-01-22 | 2014-05-14 | 厦门溢盛环保科技有限公司 | Low-energy consumption seawater desalinating technology and low-energy consumption seawater desalinating device |
| CN204058116U (en) * | 2014-07-08 | 2014-12-31 | 浙江华强环境科技有限公司 | A kind of seawater desalination system |
| CN204022608U (en) * | 2014-08-19 | 2014-12-17 | 中国水利水电科学研究院 | Be applicable to the high-recovery brackish water desalination device that new forms of energy are independently-powered |
| CN104402091A (en) * | 2014-11-26 | 2015-03-11 | 杭州水处理技术研究开发中心有限公司 | Sea water desalination reverse osmosis device capable of operating in real time with variable load |
| CN206051711U (en) * | 2016-08-31 | 2017-03-29 | 北京三清智库科技开发有限公司 | Varying duty adjusting means and seawater desalination system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107445322A (en) * | 2017-09-06 | 2017-12-08 | 北京大学深圳研究生院 | One kind miniaturization reverse osmosis seawater desalination system |
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