CN108147575A - A kind of desalination by reverse osmosis equipment - Google Patents
A kind of desalination by reverse osmosis equipment Download PDFInfo
- Publication number
- CN108147575A CN108147575A CN201810176160.XA CN201810176160A CN108147575A CN 108147575 A CN108147575 A CN 108147575A CN 201810176160 A CN201810176160 A CN 201810176160A CN 108147575 A CN108147575 A CN 108147575A
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- Prior art keywords
- port
- valve
- multimedium
- check
- sandfiltration pot
- Prior art date
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Links
- 238000001223 reverse osmosis Methods 0.000 title claims abstract description 44
- 238000010612 desalination reaction Methods 0.000 title claims abstract description 18
- 238000009287 sand filtration Methods 0.000 claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000001914 filtration Methods 0.000 claims abstract description 17
- 239000012528 membrane Substances 0.000 claims description 22
- 230000000712 assembly Effects 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 239000013535 sea water Substances 0.000 description 13
- 238000011001 backwashing Methods 0.000 description 10
- 239000013505 freshwater Substances 0.000 description 7
- 238000012545 processing Methods 0.000 description 4
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 230000003276 anti-hypertensive effect Effects 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 238000006298 dechlorination reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000011033 desalting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
Classifications
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/16—Regeneration of sorbents, filters
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The present invention is a kind of desalination by reverse osmosis equipment, the multimedium sandfiltration pot unit being connected in parallel including at least two, and each multimedium sandfiltration pot unit includes a multimedium sandfiltration pot, a triple valve and two check-valves；The first port of multimedium sandfiltration pot and the second port of triple valve connect, and the second port of multimedium sandfiltration pot connects the arrival end of first check-valve and the port of export of second check-valve simultaneously；Medium of the port of export of first check-valve for output after the filtering of multimedium sandfiltration pot；The arrival end of second check-valve backwashes medium for inputting；The first port connection accessing pending water entrance of triple valve, the third port connection discharge outlet of triple valve.The present invention is in backwash without stopping production, and husky filter tank carries out backwash at any time in production process, it is ensured that husky filter tank cleans, is effective, is long-lived, non-maintaining.
Description
Technical field
The present invention relates to desalination by reverse osmosis field more particularly to a kind of desalination by reverse osmosis equipment.
Background technology
Using the sea water desalting equipment of Reverse-osmosis Seawater Desalination Technology, it includes one 4 grades of filtering pretreatment system, former
Enter equipment at the seawater inlet of beginning seawater slave device, successively flow through a series of filters：Multimedium sandfiltration pot, bag type filtering
Device, first order core type filter and second level core type filter.Pretreatment is to protect reverse osmosis membrane and extend reverse osmosis membrane
Service life.First function of pretreatment is filtering, is subtracted by multimedium sandfiltration pot, bag filter and core type filter
The suspended matter of reverse osmosis membrane is reached less.Second function of pretreatment is dechlorination, contains granular active carbon in multimedium sandfiltration pot, it
The chlorine in seawater can be removed, avoid reverse osmosis membrane surface by chlorine corrosion and is destroyed.It is indicated above, multimedium sandfiltration pot is carried out anti-
It rinses, to keep the filtering of multimedium sandfiltration pot and dechlorination function and to extend its service life very necessary.
Multimedium sandfiltration pot is backwashed in the prior art, general using backwash mode is shut down, complete machine is specially set
Put a backwashing water water tank and a backwashing pump, when backwash stops production water, converts respective valves, starts backwash
Pump aspirates the water in backwashing water water tank, is reversely pumped into multimedium sand filter tank, realizes backwash.Shutdown carries out backwash shadow
Ring the working efficiency of reverse osmosis equipment, reduce fresh water yield, and backwashing period selection it is improper can also influence it is reverse osmosis
The working efficiency of equipment may damage reverse osmosis membrane when serious, generate corresponding plant maintenance spending.
The information for being disclosed in background of invention part is merely intended to deepen the understanding to general background technology of the present invention,
And it is not construed as recognizing or implies that the information forms existing skill known to those skilled in the art in any form
Art.
Invention content
It is an object of the invention to solve one of technical problem in the prior art, a kind of desalination by reverse osmosis is provided and is set
It is standby, when being backwashed to multimedium sandfiltration pot, do not stop fresh water production, improve the working efficiency and fresh water production of reverse osmosis equipment
Amount.
The object of the present invention is achieved like this：A kind of desalination by reverse osmosis equipment is connected in parallel more including at least two
Medium sandfiltration pot unit, each multimedium sandfiltration pot unit include a multimedium sandfiltration pot, a triple valve and two non-returns
Valve；
The first port of the multimedium sandfiltration pot is connect with the second port of the triple valve, the multimedium sandfiltration pot
Second port connect the arrival end of first check-valve and the port of export of second check-valve simultaneously；
Medium of the port of export of the first check-valve for output after multimedium sandfiltration pot filtering；Described
The arrival end of two check-valves backwashes medium for inputting；
The first port connection accessing pending water entrance of the triple valve, the third port connection discharge outlet of the triple valve.
In the preferred embodiment of the present invention, filter assemblies, high-pressure pump and reverse osmosis membrane are further included；Described
The port of export of one check-valves connects the arrival end of the filter assemblies；The port of export of the filter assemblies connects the high pressure
The arrival end of pump, the port of export of the high-pressure pump connect the arrival end of the reverse osmosis membrane.
In the preferred embodiment of the present invention, the high-pressure thick water outlet end connection capillary of the reverse osmosis membrane
Arrival end, the port of export of the capillary connect the arrival end and pressure-control valve of the second check-valve, the pressure respectively
Control valve is connected to the discharge outlet.
In the preferred embodiment of the present invention, controller is further included, for controlling the conducting direction of the triple valve.
In the preferred embodiment of the present invention, actuator is further included, the controller connects the actuator, described
Actuator connects the control terminal of the triple valve, and the conducting direction of the triple valve is controlled by the actuator.
In the preferred embodiment of the present invention, at least one multimedium sandfiltration pot unit is in filtration condition.
Compared with prior art, the beneficial effects of the invention are as follows：
The multimedium sandfiltration pot unit being connected in parallel by setting at least two, each multimedium sandfiltration pot unit include one
A multimedium sandfiltration pot, a triple valve and two check-valves；The first port of multimedium sandfiltration pot and the second end of triple valve
Mouth connection, the second port of multimedium sandfiltration pot connect the arrival end of first check-valve and the port of export of second check-valve simultaneously；
Medium of the port of export of first check-valve for output after multimedium sandfiltration pot filtering；The arrival end of second check-valve
Medium is backwashed for inputting.It can be by controlling the conducting direction of triple valve so that at least one multimedium of synchronization
Sandfiltration pot unit is in filtration condition, normally produces fresh water, while other multimedium sandfiltration pot units are in backwash shape
State.Without stopping production during backwash, multimedium sand filter tank carries out backwash at any time in production process, it is ensured that husky filter tank cleaning, effective, length
It is longevity, non-maintaining.By not shutting down backwash mode, calculated according to the ratio between backwash/production time of optimization for 1/3-1/2, complete machine effect
Rate and fresh water yield improve 30-50%.
In addition, the arrival end of the high-pressure thick water outlet end connection capillary of reverse osmosis membrane, the port of export difference of capillary
Connect the arrival end and discharge outlet of second check-valve.By high pressure condensed water water reuse, energy regenerating, the power of backwash water comes from
The decompression utilization technology of capillary high pressure condensed water eliminates backwashing pump, and backwashing pump accounts for the 7%-15% of complete machine consumption.Therefore
Save energy expenditure.
The present invention passes through simple pipeline device and circuit design so that the use cost of equipment, reliability, easy expenditure,
The indices such as maintenance are optimal.
In the attached drawing for being included in this paper and then together with attached drawing for illustrating the specific embodiment party of the certain principles of the present invention
In case, other feature possessed by the device of the invention and advantage will be apparent or more specifically illustrated.
Description of the drawings
Fig. 1 is the connection diagram of the exemplary implementation of desalination by reverse osmosis equipment of the present invention.
Reference sign：
1st, accessing pending water entrance；2nd, discharge outlet；3-1,3-2, triple valve；4-1,4-2 actuator；5,7, multimedium sand filtration
Tank；The first port of 5-1,7-1, multimedium sandfiltration pot, 5-2, the second port of 7-2 multimedium sandfiltration pots；6th, pressure-control valve；
8-1,9-1, first check-valve；8-2,9-2, second check-valve；10th, filter assemblies；11st, high-pressure pump；12nd, reverse osmosis membrane；13、
Output fresh water；14th, capillary；15th, low pressure condensed water；16th, programmable controller.
It is to be appreciated that appended attached drawing is not proportionally drawn, it is shown that illustrates the various spies of the basic principle of the present invention
The slightly simplified technique of painting of sign.The specific design feature of invention disclosed herein is (including such as specific size, direction, position
Put and shape) will partly be determined by the specific application and use environment.
In these figures, through several figures of attached drawing, reference numeral is related to the identical or equivalent part of the present invention.
Specific embodiment
Each embodiment of the present invention is will be detailed with reference to, the example of these embodiments is shown in the accompanying drawings simultaneously
It is described as follows.Although the present invention will be combined with exemplary implementation and be described, it should be understood that this specification is not intended to
Limit the invention to those exemplary implementations.On the contrary, the present invention is directed to not only cover these exemplary implementations, and
And covering can be included in various selection forms within the spirit and scope of the present invention being defined by the appended claims,
Modification, equivalent form and other embodiments.
Used technical term is merely to the purpose of description particular embodiment is not intended to pair in the following description
The present invention is limited.
All terms including the middle technical terms and scientific terms used are described below can have people in the art
The normally understood meaning of member, unless otherwise indicated.In addition, the term defined in the dictionary generally used is construed to have and phase
The meaning that technical literature is consistent with disclosure of the invention is closed, unless otherwise stated, being not interpreted as with preferably or excessively
Formal meaning.
Hereinafter, the desalination by reverse osmosis equipment according to illustrative embodiments of the invention is described with reference to the accompanying drawings.This is anti-
Osmosis desalination equipment can be used for the desalt processing of seawater, and can be used for other needs the liquid of desalt processing.Implement below
The desalt processing of seawater is directed in example.
It is the connection diagram of the exemplary implementation of desalination by reverse osmosis equipment of the present invention referring to Fig. 1.This is reverse osmosis light
Change equipment and include two multimedium sandfiltration pot unit, filter assemblies 10, high-pressure pump 11 and the reverse osmosis membranes 12 being connected in parallel.
Two multimedium sandfiltration pot units are provided in exemplary implementation shown in FIG. 1, multimedium sand can be increased as needed
The quantity of filter tank unit, so as to increase the filter capacity of reverse osmosis equipment.The quantity of multimedium sandfiltration pot unit is more than two
Embodiment those skilled in the art do not need to make the creative labor and can obtain on this basis, repeat no more.Wherein, it is more
Medium sandfiltration pot 5, triple valve 3-1, first check-valve 8-1 and second check-valve 8-2 constitute first multimedium sandfiltration pot list
Member；Multimedium sandfiltration pot 7, triple valve 3-2, first check-valve 9-1 and second check-valve 9-2 constitute second multimedium sand filtration
Tank unit.Two multimedium sandfiltration pot units are connected in parallel in the device.The first port 5-1 of multimedium sandfiltration pot 5 and three
The second port connection of port valve 3-1, the second port 5-2 of multimedium sandfiltration pot 5 connect the arrival end of first check-valve 8-1 simultaneously
And the port of export of second check-valve 8-2.The first port connection accessing pending water entrance 1 of triple valve 3-1, the third of triple valve 3-1
Port connects discharge outlet 2.Equally, the first port 7-1 of multimedium sandfiltration pot 7 is connect with the second port of triple valve 3-2, be situated between more
The second port 7-2 of matter sandfiltration pot 7 connects the arrival end of first check-valve 9-1 and the port of export of second check-valve 9-2 simultaneously.Three
The first port connection accessing pending water entrance 1 of port valve 3-2, the third port connection discharge outlet 2 of triple valve 3-2.From Fig. 1,
The upper end of each check-valves is the port of export, and the lower end of check-valves is arrival end, and medium can be from the arrival end of check-valves to non-return
The port of export one-way conduction of valve.The port of export of first check-valve 8-1 and 9-1 are all connected with the arrival end of filter assemblies 10；Filtering
The arrival end of the port of export connection high-pressure pump 11 of device assembly 10, the arrival end of the port of export connection reverse osmosis membrane 12 of high-pressure pump 11,
After the filtering of reverse osmosis membrane 12, output fresh water 13 flows out seawater from the water outlet of reverse osmosis membrane 12.The high-pressure thick of reverse osmosis membrane 12
Water outlet end connects the arrival end of capillary 14, and the port of export of the capillary 14 connects second check-valve 8-2 and 9-2 respectively
Arrival end and pressure-control valve 6, pressure-control valve 6 be connected to discharge outlet 2.High pressure condensed water is from the high pressure of reverse osmosis membrane 12
It concentrates water outlet end and flows into capillary 14, current limliting and antihypertensive effect through capillary 14, and pass through the pressure tune of pressure-control valve 6
It is whole, form the low pressure condensed water 15 with certain pressure after the outlet outflow of capillary 14.Low pressure condensed water 15 can be from
The arrival end of two check-valves 8-2 or the arrival end of second check-valve 9-2 are redirected back into multimedium sandfiltration pot 5 or multimedium sand filtration
In tank 7, back flush is carried out.
The conducting direction of triple valve 3-1 is set as being connected from first port to second port, by the conducting of triple valve 3-2
Direction is set as being connected from second port to third port, so that multimedium sandfiltration pot 5 is in filtration condition, seawater passes through
After multimedium sandfiltration pot 5 filters, flow to filter assemblies 10 by first check-valve 8-1 and further filtered；By high-pressure pump
11 are pumped into reverse osmosis membrane 12；Meanwhile multimedium sandfiltration pot 7 is in backwashing state, the height generated after the processing of reverse osmosis membrane 12
Condensed water is pressed to flow into capillary 14 from high-pressure thick water outlet end, current limliting and antihypertensive effect and pressure control through capillary 14
Be formed as low pressure condensed water 15 after the pressure adjustment of valve 6；A part of low pressure condensed water 15 is flowed out from discharge outlet 2, a part of low pressure
After the arrival end of condensed water 15 from second check-valve 9-2 flow through second check-valve 9-2, from the second port of multimedium sandfiltration pot 7
7-2 flows into multimedium sandfiltration pot 7, is flowed out from the first port 7-1 of multimedium sandfiltration pot 7, draining is flowed to using triple valve 3-2
Mouth 2 is discharged, and forms the back flush to multimedium sandfiltration pot 7.The traffic direction of flow has been indicated in figure using filled arrows.
Water route is separated by the check-valves of setting, sea water filter is made not obscure mutually with the back flush of low pressure condensed water, is not interfere with each other, no
It shuts down and is reliably completed production water and be carried out at the same time with backwash.After a period of time, change triple valve 3-1 and triple valve 3-2
Conducting direction, the state of switching multimedium sandfiltration pot 5 and multimedium sandfiltration pot 7.Certainly, it needs to ensure to be situated between at least 1 more
Matter sandfiltration pot is in filtration condition.
Further, it is possible to by programmable controller 16 and actuator come the conducting direction of automatic control tee valve.Threeway
The control terminal of valve 3-1 and 3-2 connect actuator 4-1 and 4-2 respectively, and actuator 4-1 and 4-2 are all connected with programmable controller 16,
Programmable controller controls the conducting direction of triple valve by actuator, changes the conducting of triple valve automatically according to the program of establishment
Direction.Meanwhile the present invention is matched using check-valves with triple valve, is simplified control, is reduced cost, improves reliability.
The control logic of programmable controller 16 is as follows：
A, at certain moment, the programmable controller 16 controls the conducting side of the triple valve 3-1 by actuator 4-1
To so that seawater enters the multimedium sandfiltration pot 5, carries out sea water filter, and the seawater after filtering passes through the check-valves 8-1
Into filter assemblies 10；
B, in synchronization, the programmable controller 16 controls the conducting side of the triple valve 3-2 by actuator 4-2
To so that low pressure condensed water 15 can enter the multimedium sandfiltration pot 7 by the check-valves 9-2, carry out to more Jie
Then the back flush of matter sandfiltration pot 7 is discharged into discharge outlet 2 through the triple valve 3-2；
C, the filtration condition and backwashing state of multimedium sandfiltration pot 5 and multimedium sandfiltration pot 7 replace and recycle progress, when
Between and alternating sequence controlled by programmable controller 16.
It should be noted that according to preferred embodiment above, those skilled in the art can also obtain：It can not utilize
Other backwash medium sources are separately provided in the high pressure condensed water that reverse osmosis membrane 12 generates, by backwash medium source access second
The arrival end of check-valves.
In conclusion the advantages of the present invention
1st, without stopping production during backwash, husky filter tank carries out backwash at any time in production process, it is ensured that husky filter tank cleans, is effective, is long
It is longevity, non-maintaining.Do not shut down backwash mode, according to optimization backwash/production time than it be 1/3-1/2 calculate, overall efficiency and
Output increased 30-50%；
2nd, water reuse, energy regenerating, without water tank, backwashing pump, and backwashing pump accounts for the 7%-15% of complete machine consumption, section
Energy expenditure is saved.
3rd, backwash mode is matched using simple check-valves with triple valve, makes the use cost of equipment, reliability, easily
The indices such as expenditure, maintenance are optimal.
The description that specific exemplary embodiment of the present invention is presented in front is for the purpose of illustration and description.Front
Description be not intended to limit or the present invention be strictly limited to disclosed concrete form, it is clear that according to the above instruction may be used
It can carry out many change and variations.Selection exemplary implementation and be described be in order to explain the present invention specific principle and
Its practical application, so that others skilled in the art can realize and utilize the various exemplary embodiment party of the present invention
Case and its different selection forms and modification.The scope of the present invention is intended to be limited by the appended claims and its equivalent form
It is fixed.
Claims (6)
1. a kind of desalination by reverse osmosis equipment, which is characterized in that the multimedium sandfiltration pot unit being connected in parallel including at least two, often
A multimedium sandfiltration pot unit includes a multimedium sandfiltration pot, a triple valve and two check-valves；
The first port of the multimedium sandfiltration pot is connect with the second port of the triple valve, and the of the multimedium sandfiltration pot
Two-port netwerk connects the arrival end of first check-valve and the port of export of second check-valve simultaneously；
Medium of the port of export of the first check-valve for output after multimedium sandfiltration pot filtering；Described second stops
The arrival end of valve is returned for inputting backwash medium；
The first port connection accessing pending water entrance of the triple valve, the third port connection discharge outlet of the triple valve.
2. desalination by reverse osmosis equipment as described in claim 1, which is characterized in that further include filter assemblies, high-pressure pump and
Reverse osmosis membrane；The port of export of the first check-valve connects the arrival end of the filter assemblies；The filter assemblies go out
Mouth end connects the arrival end of the high-pressure pump, and the port of export of the high-pressure pump connects the arrival end of the reverse osmosis membrane.
3. desalination by reverse osmosis equipment as claimed in claim 2, which is characterized in that the high-pressure thick water outlet of the reverse osmosis membrane
The arrival end of end connection capillary, the port of export of the capillary connect the arrival end of the second check-valve and pressure control respectively
Valve processed, the pressure-control valve are connected to the discharge outlet.
4. desalination by reverse osmosis equipment as described in any one of claims 1 to 3, which is characterized in that controller is further included, for controlling
Make the conducting direction of the triple valve.
5. desalination by reverse osmosis equipment as claimed in claim 4, which is characterized in that further include actuator, the controller connection
The actuator, the actuator connect the control terminal of the triple valve, and leading for the triple valve is controlled by the actuator
Logical direction.
6. desalination by reverse osmosis equipment as described in claim 1, which is characterized in that at least one multimedium sandfiltration pot unit
In filtration condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810176160.XA CN108147575A (en) | 2018-03-02 | 2018-03-02 | A kind of desalination by reverse osmosis equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810176160.XA CN108147575A (en) | 2018-03-02 | 2018-03-02 | A kind of desalination by reverse osmosis equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108147575A true CN108147575A (en) | 2018-06-12 |
Family
ID=62456370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810176160.XA Pending CN108147575A (en) | 2018-03-02 | 2018-03-02 | A kind of desalination by reverse osmosis equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2800351A1 (en) * | 2019-06-24 | 2020-12-29 | Sist Azud S A | Compact automatic disc filter equipment (Machine-translation by Google Translate, not legally binding) |
| CN114470893A (en) * | 2022-01-27 | 2022-05-13 | 济南蓝海洋环保科技有限公司 | Backwashing device and backwashing method of sewage treatment equipment |
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| CN103435176A (en) * | 2013-08-29 | 2013-12-11 | 黄瑞中 | High-precision filtering system |
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| CN104891699A (en) * | 2015-06-16 | 2015-09-09 | 西南科技大学 | Water purifier with raw water utilization rate monitoring and filter element replacement alarming functions |
| CN205740556U (en) * | 2016-01-28 | 2016-11-30 | 亿利资源集团有限公司 | A kind of brackish water desalination system utilizing dense water to carry out backwash |
| CN208087335U (en) * | 2018-03-02 | 2018-11-13 | 天津丽彩数字技术有限公司 | A kind of desalination by reverse osmosis equipment |
Cited By (2)
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| ES2800351A1 (en) * | 2019-06-24 | 2020-12-29 | Sist Azud S A | Compact automatic disc filter equipment (Machine-translation by Google Translate, not legally binding) |
| CN114470893A (en) * | 2022-01-27 | 2022-05-13 | 济南蓝海洋环保科技有限公司 | Backwashing device and backwashing method of sewage treatment equipment |
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