CN203971764U - A kind of reverse osmosis unit of efficient stable - Google Patents
A kind of reverse osmosis unit of efficient stable Download PDFInfo
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- CN203971764U CN203971764U CN201420362894.4U CN201420362894U CN203971764U CN 203971764 U CN203971764 U CN 203971764U CN 201420362894 U CN201420362894 U CN 201420362894U CN 203971764 U CN203971764 U CN 203971764U
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Abstract
The utility model provides a kind of reverse osmosis unit of efficient stable, comprises switchover operation membrane stack, moves that membrane stack, high pressure alarm, electricity are led alarm, cleaned transfer valve continuously, cleaning valve, water intaking valve, water inlet transfer valve, concentrated water drainage transfer valve, produces water row transfer valve, dense water transfer valve, produces water transfer valve, produces water valve, dense water valve; By transfer valve, control operation membrane stack and switchover operation membrane stack continuously, move continuously membrane stack and there is best setting value with the putamina number ratio in parallel of switchover operation membrane stack, and by alarm switch valve, the operation that realizes high temperature mode and low temperature mode is switched; Guaranteeing is significantly having stable aquifer yield and equipment with high desalinization under temperature variations, continues the good product water quality of maintenance, has also improved the treatment effect of subsequent technique.Meanwhile, low temperature membrane stack independently Chemical cleaning is deposited design with protection fluid-tight, extends the service life of this membrane stack ro components.
Description
Technical field
The utility model relates to a kind of reverse osmosis unit of efficient stable.
Background technology
At present, the core parts of known reverse osmosis unit are reverse-osmosis membrane element, many membrane components of series connection in putamina, and membrane stack can be formed by many putaminas of parallel connection.Temperature has a great impact the operating flux of membrane component and salt rejection rate, so same set of seawater desalination reverse osmosis device, under uniform pressure, produces winter, discharge is little, electrical conductivity is low; Produce that discharge is large, electrical conductivity is high summer.It is unstable that this causes producing water quality, affects subsequent technique and process and follow-up use.
Reverse osmosis membrane is not absolute holding back to the dissolubility salt of water inlet.Under certain transit dose, along with the also and then rising of increase salt rejection rate of pressure, because seeing through the speed of the speed ratio transmission salinity of water, film wants fast.But carrying highly-saline elimination factor by increase intake pressure has the upper limit, surpasses certain pressure value, salt rejection rate no longer increases, and some salinity also can together see through film with hydrone coupling.
Summary of the invention
The purpose of this utility model is for above-mentioned present situation, aims to provide a kind of stable discharge of producing that has, and stablizes the reverse osmosis unit of equipment with high desalinization.For this reason, the utility model by the following technical solutions
A kind of counter-infiltration membrane stack switching device shifter of efficient stable, it is characterized in that it comprises switchover operation membrane stack, moves that membrane stack, high pressure alarm, electricity are led alarm, cleaned transfer valve continuously, cleaning valve, water intaking valve, water inlet transfer valve, concentrated water drainage transfer valve, produce water row transfer valve, dense water transfer valve, produce water transfer valve, produce water valve, dense water valve, wherein, the original water inlet of described switchover operation membrane stack connects respectively the port of export, the water inlet transfer valve port of export that cleans transfer valve; The entrance point of described water inlet transfer valve connects the water intaking valve port of export; The original water inlet of described continuous operation membrane stack connects respectively the water intaking valve port of export, the cleaning valve port of export; Described cleaning valve entrance point and cleaning transfer valve entrance point are all for introducing chemical cleaning solution; Described water intaking valve entrance point is used for introducing former water; Described high pressure alarm is connected to water intaking valve entrance point; The dense water out of described switchover operation membrane stack connects respectively concentrated water drainage transfer valve entrance point, dense water transfer valve entrance point; The product water out of described switchover operation membrane stack connects respectively product water row transfer valve entrance point, produces water transfer valve entrance point; Described dense water valve entrance point connects respectively the dense water out of continuous operation membrane stack, the dense water transfer valve port of export; Described product water valve entrance point connects respectively continuous operation membrane stack and produces water out, produces the water transfer valve port of export; All for switchover operation membrane stack, independently Chemical cleaning, physics rinse for described product water row's transfer valve port of export and the concentrated water drainage transfer valve port of export; The described dense water valve port of export is for dense water output and clean discharge; The described product water valve port of export is used for producing water output and produces water discharge; Described electricity is led alarm and is connected to the product water valve port of export.
Alternatively, described switchover operation membrane stack, move membrane stack continuously, when low temperature mode, two membrane stacks move simultaneously, and inflow temperature is at 10 ± 10 ℃; When high temperature mode, inflow temperature is at 25 ± 15 ℃, moves continuously membrane stack and continues operation, and switchover operation membrane stack is out of service and carry out Chemical cleaning and fill protection fluid-tight and deposit; Continuously operation membrane stack with the putamina number ratio in parallel of switchover operation membrane stack in the scope of 1.5-5.
Alternatively, the putamina number ratio in parallel of described continuous operation membrane stack and switchover operation membrane stack is in the setting value of any a set of reverse osmosis unit, all will guarantee that low temperature mode operation and high temperature mode move both intake pressures, flow of inlet water, product discharge, product water power and lead identical or close.
Alternatively, described intake pressure is no more than 1200Psi, and the TDS of described product water is no more than 500mg/L or chlorion and is no more than 300mg/L or electricity and leads and be no more than 1000 μ s/cm.The in the situation that of above parameter, the inflow temperature temperature difference of high temperature mode and low temperature mode is generally at 10 °-30 ℃.
Alternatively, described high pressure alarm is at the intake pressure of high temperature mode operation during higher than setting pressure, and the prompting that switches to low temperature mode operation for high temperature mode is reported to the police.
Alternatively, described electricity lead alarm the product water power of low temperature mode operation lead higher than set electric conductivity value time, the prompting that switches to high temperature mode operation for low temperature mode is reported to the police.
Alternatively, the former water that described water intaking valve entrance point is introduced is seawater.
Alternatively, described protection night can be sodium hydrogensulfite, pyrosulfurous acid hydrogen sodium.
According to the technical solution of the utility model, the reverse osmosis unit of this efficient stable, has the setting value of continuous operation membrane stack and putamina number ratio the best in parallel of switchover operation membrane stack, and by alarm switch valve, changes operational mode.Remain on significantly and there is stable aquifer yield and equipment with high desalinization under temperature variations, continue the good product water quality of maintenance, also improved the treatment effect of subsequent technique.Meanwhile, switching membrane stack independently Chemical cleaning is deposited design with protection fluid-tight, extends the service life of this membrane stack ro components.
Accompanying drawing explanation
Accompanying drawing, for understanding the utility model better, does not form improper restriction of the present utility model.Wherein:
Fig. 1 is the basic schematic diagram of the utility model embodiment.
The specific embodiment
Below in conjunction with accompanying drawing, one exemplary embodiment of the present utility model is explained, comprising the various details of the utility model embodiment, to help understanding, they should be thought to be only exemplary.Therefore, those of ordinary skills will be appreciated that, can make various changes and modification to the embodiments described herein, and can not deviate from scope and spirit of the present utility model.Equally, for clarity and conciseness, in following description, omitted the description to known function and structure.
As shown in Figure 1, the reverse osmosis unit of efficient stable provided by the utility model, comprise switchover operation membrane stack 1, move continuously membrane stack 2, high pressure alarm 3, electricity is led alarm 4, clean transfer valve 5, cleaning valve 6, water intaking valve 7, water inlet transfer valve 8, concentrated water drainage transfer valve 9, produce water row transfer valve 10, dense water transfer valve 11, produce water transfer valve 12, produce water valve 13, dense water valve 14, wherein, described switchover operation membrane stack 1 is for operation at low temperatures, at high temperature be cleaned and seal up for safekeeping and do not use, the original water inlet of described switchover operation membrane stack 1 connects respectively the port of export that cleans transfer valve 5, water inlet transfer valve 8 ports of export, the entrance point of described water inlet transfer valve 8 connects water intaking valve 7 ports of export, the original water inlet of described continuous operation membrane stack 2 connects respectively water intaking valve 7 ports of export, cleaning valve 6 ports of export, described cleaning valve 6 entrance points and cleaning transfer valve 5 entrance points are all for introducing chemical cleaning solution, described water intaking valve 7 entrance points are used for introducing former water, described high pressure alarm 3 is connected to water intaking valve 7 entrance points, the dense water out of described switchover operation membrane stack 1 connects respectively concentrated water drainage transfer valve 9 entrance points, dense water transfer valve 11 entrance points, the product water out of described switchover operation membrane stack 1 connects respectively product water row transfer valve 10 entrance points, produces water transfer valve 12 entrance points, described dense water valve 14 entrance points connect respectively the dense water out of continuous operation membrane stack 2, dense water transfer valve 11 ports of export, described product water valve 13 entrance points connect respectively continuous operation membrane stack 2 and produce water out, produce water transfer valve 12 ports of export, all for switchover operation membrane stack 1, independently Chemical cleaning, physics rinse for described product water row's transfer valve 10 ports of export and concentrated water drainage transfer valve 9 ports of export, switch membrane stack and can carry out separately Chemical cleaning, do not need jointly to carry out with continuous operation membrane stack, operation membrane stack carries out reverse osmosis produced water continuously, and switching membrane stack can be realized and be stopped reverse osmosis produced water and carry out Chemical cleaning and flushing by switch valve simultaneously, described dense water valve 14 ports of export are for dense water output and clean discharge, described product water valve 13 ports of export are used for producing water output and produce water discharge, described electricity is led alarm 4 and is connected to product water valve 13 ports of export.
The course of work of the counter-infiltration membrane stack switching device shifter of this efficient stable in following the present embodiment is explained.
With reference to the seawater quality condition in somewhere, the range of temperature of a year, desired aquifer yield, produces that water power is led and the performance of membrane component, and setting operation membrane stack 2 is continuously 4.5 with the putamina number ratio in parallel of switchover operation membrane stack 1.
If the inflow temperature of seawater is lower than 20 ℃, first be adjusted to low temperature mode operation, close cleaning valve 6, cleaning transfer valve 5, concentrated water drainage transfer valve 9 and produce water row transfer valve 10, connection water intaking valve 7, water inlet transfer valve 8 are introduced seawater switchover operation membrane stack 1 and are moved continuously membrane stack 2, intake pressure is in 750Psi left and right, produce water power and lead the s/cm at 200-400 μ, setting electric prompting alarming value of leading alarm 4 is 500 μ s/cm.
Along with changing throughout the year, seawater water temperature raises gradually, and the salt rejection rate of reverse osmosis produced water declines, and produces water power and leads rising.When electricity, lead alarm prompting and report to the police, enter high temperature mode operation and adjust.Close successively into water transfer valve 7, dense water transfer valve 11 and produce water transfer valve 12; operation membrane stack continues operation continuously; switchover operation membrane stack is out of service and open to clean transfer valve 5, concentrated water drainage transfer valve 9 and produce water row transfer valve 10 and carry out Chemical cleaning and flushing, then fills protection liquid and closes concentrated water drainage transfer valve 9, produce water row's transfer valve 10 and clean transfer valve 5 and seal up for safekeeping.The prompting alarming value of setting high pressure alarm 3 is 850Psi.
In the time of will entering winter, ocean temperature reduces gradually, and the flow that produces water reduces, and produces water desalination rate and raises, and intake pressure also raises thereupon.When intake pressure is higher than the prompting alarming value of setting high pressure alarm 3, thereby switch to above-mentioned low temperature mode by high temperature mode operation, move.
According to the technical solution of the utility model, the reverse osmosis unit of this efficient stable, has the setting value of continuous operation membrane stack and putamina number ratio the best in parallel of switchover operation membrane stack, and by alarm switch valve, changes operational mode.Keep having throughout the year stable aquifer yield and equipment with high desalinization, continue the good product water quality of maintenance, also improved the treatment effect of subsequent technique.Meanwhile, switchover operation membrane stack independently Chemical cleaning is deposited design with protection fluid-tight, extends the service life of this membrane stack ro components.
Claims (8)
1. a reverse osmosis unit for efficient stable, is characterized in that it comprises switchover operation membrane stack, moves that membrane stack, high pressure alarm, electricity are led alarm, cleaned transfer valve continuously, cleaning valve, water intaking valve, water inlet transfer valve, concentrated water drainage transfer valve, produces water row transfer valve, dense water transfer valve, produces water transfer valve, produces water valve, dense water valve; Wherein:
The original water inlet of described switchover operation membrane stack connects respectively the port of export, the water inlet transfer valve port of export that cleans transfer valve; The entrance point of described water inlet transfer valve connects the water intaking valve port of export; The original water inlet of described continuous operation membrane stack connects respectively the water intaking valve port of export, the cleaning valve port of export; Described cleaning valve entrance point and cleaning transfer valve entrance point are all for introducing chemical cleaning solution; Described water intaking valve entrance point is used for introducing former water; Described high pressure alarm is connected to water intaking valve entrance point; The dense water out of described switchover operation membrane stack connects respectively concentrated water drainage transfer valve entrance point, dense water transfer valve entrance point; The product water out of described switchover operation membrane stack connects respectively product water row transfer valve entrance point, produces water transfer valve entrance point; Described dense water valve entrance point connects respectively the dense water out of continuous operation membrane stack, the dense water transfer valve port of export; Described product water valve entrance point connects respectively continuous operation membrane stack and produces water out, produces the water transfer valve port of export; All for switchover operation membrane stack, independently Chemical cleaning, physics rinse for described product water row's transfer valve port of export and the concentrated water drainage transfer valve port of export; The described dense water valve port of export is for dense water output and clean discharge; The described product water valve port of export is used for producing water output and produces water discharge; Described electricity is led alarm and is connected to the product water valve port of export.
2. the reverse osmosis unit of efficient stable according to claim 1, is characterized in that, described switchover operation membrane stack, moves membrane stack continuously, and when low temperature mode, two membrane stacks move simultaneously, with reference to inflow temperature at 10 ± 10 ℃; When high temperature mode, with reference to inflow temperature, at 25 ± 15 ℃, move continuously membrane stack and continue operation, cold operation membrane stack is out of service and carry out Chemical cleaning and fill protection fluid-tight and deposit; Continuously operation membrane stack with the putamina number ratio in parallel of cold operation membrane stack in the scope of 1.5-5.
3. the reverse osmosis unit of efficient stable according to claim 2, it is characterized in that, the putamina number ratio in parallel of described continuous operation membrane stack and switchover operation membrane stack is in the setting value of any a set of counter-infiltration membrane stack switching device shifter, all will guarantee that low temperature mode operation and high temperature mode move both intake pressures, flow of inlet water, product discharge, product water power and lead identical or close.
4. the reverse osmosis unit of efficient stable according to claim 3, it is characterized in that, described intake pressure is no more than 1200Psi, and the total dissolved solidss TDS of described product water is no more than 500mg/L or chlorion and is no more than 300mg/L or electricity and leads and be no more than 1000 μ s/cm.
5. the reverse osmosis unit of efficient stable according to claim 1, is characterized in that, described high pressure alarm is at the intake pressure of high temperature mode operation during higher than setting pressure, and the prompting that switches to low temperature mode operation for high temperature mode is reported to the police.
6. the reverse osmosis unit of efficient stable according to claim 1, is characterized in that, described electricity lead alarm the product water power of low temperature mode operation lead higher than set electric conductivity value time, the prompting that switches to high temperature mode operation for low temperature mode is reported to the police.
7. the reverse osmosis unit of efficient stable according to claim 1, is characterized in that, the former water that described water intaking valve entrance point is introduced is seawater.
8. the reverse osmosis unit of efficient stable according to claim 2, is characterized in that, described protection liquid can be sodium hydrogensulfite, pyrosulfurous acid hydrogen sodium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420362894.4U CN203971764U (en) | 2014-07-02 | 2014-07-02 | A kind of reverse osmosis unit of efficient stable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420362894.4U CN203971764U (en) | 2014-07-02 | 2014-07-02 | A kind of reverse osmosis unit of efficient stable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203971764U true CN203971764U (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420362894.4U Withdrawn - After Issue CN203971764U (en) | 2014-07-02 | 2014-07-02 | A kind of reverse osmosis unit of efficient stable |
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| CN (1) | CN203971764U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104084044A (en) * | 2014-07-02 | 2014-10-08 | 杭州水处理技术研究开发中心有限公司 | Efficient and stable reverse osmosis device |
| CN105217732A (en) * | 2015-09-30 | 2016-01-06 | 杭州司迈特水处理工程有限公司 | A kind of reverse osmosis membrane pile structure of direction-agile of intaking |
-
2014
- 2014-07-02 CN CN201420362894.4U patent/CN203971764U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104084044A (en) * | 2014-07-02 | 2014-10-08 | 杭州水处理技术研究开发中心有限公司 | Efficient and stable reverse osmosis device |
| CN105217732A (en) * | 2015-09-30 | 2016-01-06 | 杭州司迈特水处理工程有限公司 | A kind of reverse osmosis membrane pile structure of direction-agile of intaking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141203 Effective date of abandoning: 20171114 |