CN207153483U - It is a kind of to improve contamination resistance and the counter-infiltration all-in-one of the rate of recovery - Google Patents
It is a kind of to improve contamination resistance and the counter-infiltration all-in-one of the rate of recovery Download PDFInfo
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- CN207153483U CN207153483U CN201720962493.6U CN201720962493U CN207153483U CN 207153483 U CN207153483 U CN 207153483U CN 201720962493 U CN201720962493 U CN 201720962493U CN 207153483 U CN207153483 U CN 207153483U
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Abstract
It is a kind of to improve contamination resistance and the counter-infiltration all-in-one of the rate of recovery,Be advantageous to improve the rate of recovery or antifouling property or water-yielding capacity,Reduce investment and operating cost,Extend the service life of reverse-osmosis membrane element,It is characterized in that,Two sections of combining structures including one section of film and two-segment film,One section of film connects production pond by the first water producing pipe,The two-segment film connects production pond by the second water producing pipe,The two-segment film includes two-segment film first port and two-segment film second port,One section of film includes one section of film first port and one section of film second port,One section of film first port connects the two-segment film second port by anti-two sections of automatic valves,One section of film second port connects the two-segment film first port by positive two sections of automatic valves,Two concentrated water discharge mouths are provided with the two-segment film,One connects concentrated water pond by anti-dense valve,Secondly concentrated water pond is connected by just dense valve.
Description
Technical field
Reverse Osmosis Water Treatment Technology is the utility model is related to, it is not a kind of reverse osmosis for improving contamination resistance and the rate of recovery to carry
Saturating all-in-one, be advantageous to improve the rate of recovery or contamination resistance or water-yielding capacity, reduce investment and operating cost, extend counter-infiltration
The service life of membrane component.
Background technology
Reverse osmosis technology is widely used in modern industrial process.The counter-infiltration unit rate of recovery is controlled in 70-75%,
Unit can produce 25-30% reverse osmosis concentrated salt solution.Treated sewage reusing engineering, counter-infiltration recovery even below 65%, the rate of recovery compared with
The pollution of film can aggravate when high.In the reprocessing technology of reverse osmosis concentrated salt solution, such as carried out using reverse osmosis membrane technology secondary dense
Contracting, the rate of recovery can only be controlled in 40-50%.The present inventor is in the research and development of reverse osmosis technology, by one section of periodic variation
For the water inlet flow direction of film and two-segment film i.e. using the control model of the forward and reverse alternately water inlet of a two-segment film, it is right in running to realize
The efficient cleaning of film surface contaminant, the rate of recovery improve, and the contamination resistance of reverse-osmosis membrane element improves.In view of this, this hair
A person of good sense completes the utility model by the combination settings of pipeline and valve.
Utility model content
The utility model is for defect or deficiency present in prior art, there is provided one kind improves contamination resistance and recovery
The counter-infiltration all-in-one of rate, be advantageous to improve the rate of recovery or contamination resistance or water-yielding capacity, reduce investment and operating cost, prolong
The service life of long reverse-osmosis membrane element.
Technical solutions of the utility model are as follows：
It is a kind of to improve contamination resistance and the counter-infiltration all-in-one of the rate of recovery, it is characterised in that including one section of film and two sections
Two sections of combining structures of film, one section of film connect production pond by the first water producing pipe, and the two-segment film passes through the second water producing pipe
Connection production pond, the two-segment film include two-segment film first port and two-segment film second port, and one section of film includes one section of film
First port and one section of film second port, one section of film first port connect the two-segment film second by anti-two sections of automatic valves
Port, one section of film second port connect the two-segment film first port by positive two sections of automatic valves, set on the two-segment film
Two concentrated water discharge mouths are equipped with, one connects concentrated water pond by anti-dense valve, secondly connecting concentrated water pond by just dense valve.
The anti-dense valve is located on the downside of the two-segment film first port, and the just dense valve is located at the two-segment film second port
Downside.
The outside of counter-infiltration all-in-one import connects variable frequency pump, is divided into the first feed pipe on the inside of counter-infiltration all-in-one import
With the second feed pipe, first feed pipe connects first node and fourth node respectively by positive one section of automatic valve, and described
One node connects one section of film first port and the 3rd node respectively, and the fourth node connects section point and passed through respectively
Anti- two sections of automatic valves connect the two-segment film second port, and the section point connects one section of film second port, institute
State the second feed pipe and the section point and the 3rd node are connected by anti-one section of automatic valve respectively, the 3rd node leads to
Cross positive two sections of automatic valves and connect the two-segment film first port.
One section of film first port, one section of film second port, the two-segment film first port and the two-segment film
Second port is provided with respective pressure transmitter.
The pressure transmitter connects automatic controller.
The automatic controller Connection Time controller.
Technique effect of the present utility model is as follows：A kind of counter-infiltration for improving contamination resistance and the rate of recovery of the utility model
It all-in-one, can be applied on existing all reverse osmosis technologies, improve the rate of recovery of existing reverse osmosis technology and resisting for membrane component
Pollutant performance, extend the cleaning frequency of membrane component, the power consumption and medicament when operation is reduced in the case of identical aquifer yield disappear
Consumption.The rate of recovery of the present utility model improves 20 percentage points than existing reverse osmosis technology, the cleaning week of reverse osmosis technology membrane component
Phase improves more than 50% than existing reverse osmosis technology, greatly reduces the decline of membrane flux caused by the frequent clean of membrane component.
The utility model has the characteristics that：Positive water inlet can be fixed, reverse water inlet can also be fixed, can also be one section
Positive, two sections of reversely water inlets, can also one section reversely, two sections of positive water inlets, maximum performance reduces the pollution of film, improves system and return
Yield；Direction intake according to one section of water inlet/concentrated water, the pressure transmitter or time controller set in two sections of water inlet/concentrated waters from
Dynamic adjustment.Both ends water intake mode of the present utility model, it is by one section of film or pressure difference and the time of the water inlet of two-segment film element and concentrated water
Co- controlling, (carried out by the keying of corresponding automatic valve in unit with adjusting flow direction of the current on film surface based on arriving first
Control).The utility model can apply to all counter-infiltration systems, including transformation to existing reverse osmosis technology or replace
Change.
Brief description of the drawings
Fig. 1 is to implement a kind of counter-infiltration all-in-one machine structure signal for improving contamination resistance and the rate of recovery of the utility model
Figure.
Reference lists as follows：1- variable frequency pumps；2- produces pond (tank)；3- concentrated waters pond (tank)；4- automatic controllers；5- is anti-
Permeate all-in-one (NTDO technologies unit or NTDO units)；Mono- section of film of 6-；7- two-segment films；The positive one section of automatic valve of 8-；Positive two sections of 9-
Automatic valve；The just dense valves of 10-；The anti-one section of automatic valve of 11-；The anti-two sections of automatic valves of 12-；The anti-dense valves of 13-；14- time controllers；15-
Second water producing pipe；The water producing pipes of 16- first；The feed pipes of 17- second；The feed pipes of 18- first；Mono- section of film first port of 19-；20- mono-
Section film second port；21- two-segment film first ports；22- two-segment film second ports；23- first nodes；24- section points；25-
3rd node；26- fourth nodes.
Embodiment
(Fig. 1) illustrates to the utility model below in conjunction with the accompanying drawings.
Fig. 1 is to implement a kind of counter-infiltration all-in-one machine structure signal for improving contamination resistance and the rate of recovery of the utility model
Figure.As shown in figure 1, a kind of counter-infiltration all-in-one for improving contamination resistance and the rate of recovery, including one section of film 6 and two-segment film 7
Two sections of combining structures, one section of film 6 connect production pond 2 by the first water producing pipe 16, and the two-segment film 7 passes through the second water producing pipe
15 connection production ponds 2, the two-segment film 7 include two-segment film first port 21 and two-segment film second port 22, and one section of film 6 wraps
One section of film first port 19 and one section of film second port 20 are included, one section of film first port 19 is connected by anti-two sections of automatic valves 12
The two-segment film second port 22 is connect, one section of film second port 20 connects the two-segment film by positive two sections of automatic valves 9
Single port 21, two concentrated water discharge mouths are provided with the two-segment film 7, and one passes through anti-dense valve 13 and connects concentrated water pond 3, its two-way
Cross just dense valve 10 and connect concentrated water pond 3.The anti-dense valve 13 is positioned at the downside of two-segment film first port 21, just dense 10, the valve
In the downside of two-segment film second port 22.
The import of counter-infiltration all-in-one (is located at the left side of counter-infiltration all-in-one 5 in Fig. 1, counter-infiltration all-in-one 5 is also known as NTDO machines
Group) outside connection variable frequency pump 1, be divided into the first feed pipe 18 and the second feed pipe 17, institute on the inside of counter-infiltration all-in-one import
State the first feed pipe 18 and first node 23 and fourth node 26, the first node 23 are connected by positive one section of automatic valve 8 respectively
The node 25 of one section of film first port 19 and the 3rd is connected respectively, and the fourth node 26 connects section point 24 and led to respectively
Cross anti-two sections of automatic valves 12 and connect the two-segment film second port 22, the section point 24 connects one section of film second
Port 20, second feed pipe 17 connect the section point 24 and the 3rd node respectively by anti-one section of automatic valve 11
25, the 3rd node 25 connects the two-segment film first port 21 by positive two sections of automatic valves 9.One section of film first
Port 19, one section of film second port 20, the two-segment film first port 21 and the two-segment film second port 22 are respectively provided with
There is respective pressure transmitter PT.The pressure transmitter PT connections automatic controller 4.The Connection Time of automatic controller 4
Controller 14.
Reverse osmosis membrane technology is widely used in modern industrial process.The reverse osmosis membrane technology rate of recovery is controlled in 70-
75%, film device produces 25-30% strong brine.Treated sewage reusing engineering, counter-infiltration recovery even below 70%, is generally kept in
Run in the case of 65%, when the rate of recovery is higher the pollution of film will aggravate, system operation unstability enhancing.Reverse osmosis concentrated
The reprocessing of salt solution is technical, such as carries out secondary concentration using reverse osmosis membrane technology, and the rate of recovery can only be controlled in 40-50%.One
The reverse osmosis technology for kind improving contamination resistance and the rate of recovery passes through fixed positive and fixed reversely water inlet and one or two sections positive and negative
Control membrane type to alternate run, the cleaning ability for strengthening current to film surface contaminant is flowed to using water inlet, improves device
The rate of recovery improve, also improve the contamination resistance of reverse-osmosis membrane element.Upper in Treated sewage reusing processing application, one kind improves anti-
Pollution capacity compares existing reverse osmosis technology with the counter-infiltration all-in-one of the rate of recovery, and the rate of recovery is brought up to by existing 70%
More than 85%；Contamination resistance improves more than 50%, shows that the cleaning frequency was brought up to more than 60 days by 25 days or so；Identical production
Under outlet capacity, compared with existing reverse osmosis technology, it is possible to reduce medicament expense, the electricity charge, water rate required for running etc., due to returning
The raising of yield indirectly reduces investment and operating cost, extends the service life of reverse-osmosis membrane element.
A kind of counter-infiltration all-in-one for improving contamination resistance and the rate of recovery realizes NTDO units 5 by automatic controller 4
Automated condtrol and unattended function.Control mode can be divided into time control and pressure difference control, and NTDO units 5 are according to detection
One section of film 6 or the water inlet of two-segment film 7 and the pressure differential of concentrated water or time adjust the water inlet flow direction of one section of film 6 or two-segment film 7, below for
The control method of 5 one cycles of operation of NTDO units, wherein positive forward stream includes：1st, open positive one section of automatic valve 8, it is positive two sections from
Dynamic valve 9, just dense valve 10；2nd, anti-one section of automatic valve 11, anti-two sections of automatic valves 12, anti-dense valve 13 are closed；3rd, variable frequency pump 1 is adjusted, is made
NTDO units 5 produce water-carrying capacity and reach setting value, and system enters positive running status；4th, the water inlet when one section of film 6 and concentrated water pressure
When power, the water inlet of two-segment film 7 and concentrated water pressure differential meet that certain value or time meet certain value, NTDO units 5 enter next
The method of operation, anti-reverse flow.
Anti- reverse flow includes：5th, variable frequency pump 1 is adjusted, minimizes its discharge pressure；6th, open anti-one section of automatic valve 11,
Anti- two sections of automatic valves 12, anti-dense valve 13；7th, positive one section of automatic valve 8, positive two sections of automatic valves 9, just dense valve 10 are closed；8th, frequency conversion is adjusted
Pump 1, the production water-carrying capacity of NTDO units 5 is set to reach setting value, system enters anti-inverted running state.9th, when the water inlet of two-segment film 7
Meet setting value with concentrated water pressure or the time meet during certain value, the water inlet of one section of film 6 and concentrated water pressure differential are unsatisfactory for setting value,
NTDO units 5 enter next method of operation, forward and reverse stream.
Forward and reverse stream includes：10th, variable frequency pump 1 is adjusted, minimizes its discharge pressure；11st, positive one section of automatic valve is opened
8；12nd, anti-one section of automatic valve 11 is closed；13rd, variable frequency pump 1 is adjusted, the production water-carrying capacity of NTDO units 5 is reached setting value, system is entered
Enter forward and reverse running status.14th, when the water inlet of two-segment film 7 and concentrated water pressure can not meet setting value, the water inlet of one section of film 6 and
Concentrated water pressure differential meets setting value or the time meets certain value, and NTDO units 5 enter next method of operation, anti-forward stream.
Anti- forward stream includes：15th, variable frequency pump 1 is adjusted, minimizes its discharge pressure；16th, anti-one section of automatic valve is opened
11st, positive two sections of automatic valves 9, just dense valve 10；17th, positive one section of automatic valve 8, anti-two sections of automatic valves 12, anti-dense valve 13 are closed；18th, adjust
Variable frequency pump 1 is saved, the production water-carrying capacity of NTDO units 5 is reached setting value, system enters anyway to running status.19th, when one section of film 6
Water inlet and concentrated water pressure, the water inlet of two-segment film 7 and concentrated water pressure differential is when meeting that certain value or time meet certain value, NTDO machines
Group 5 enters next cycle.
One section of film 6, the water (flow) direction in two-segment film 7, by the water inlet water flow pressure of one section of film 6 and two-segment film 7 difference or when
Between controller it is positive, anti-it is reverse, forward and reverse, anyway to full-automatic switching, automatically control operation, realize unattended work(
Energy.
It is hereby stated that described above contribute to skilled artisan understands that the invention, but not limit the present invention
The protection domain of creation.It is any that equivalent substitution described above, modification are improved without departing from the invention substantive content
And/or the implementation deleted numerous conform to the principle of simplicity and carried out, each fall within the protection domain of the invention.
Claims (6)
1. a kind of improve contamination resistance and the counter-infiltration all-in-one of the rate of recovery, it is characterised in that including one section of film and two-segment film
Two sections of combining structures, one section of film connects production pond by the first water producing pipe, and the two-segment film connected by the second water producing pipe
Practice midwifery pond, the two-segment film includes two-segment film first port and two-segment film second port, and one section of film includes one section of film the
Single port and one section of film second port, one section of film first port connect the end of two-segment film second by anti-two sections of automatic valves
Mouthful, one section of film second port connects the two-segment film first port by positive two sections of automatic valves, is set on the two-segment film
There are two concentrated water discharge mouths, one connects concentrated water pond by anti-dense valve, secondly connecting concentrated water pond by just dense valve.
2. the counter-infiltration all-in-one of a kind of raising contamination resistance according to claim 1 and the rate of recovery, it is characterised in that
The anti-dense valve is located on the downside of the two-segment film first port, and the just dense valve is located on the downside of the two-segment film second port.
3. the counter-infiltration all-in-one of a kind of raising contamination resistance according to claim 1 and the rate of recovery, it is characterised in that
The outside connection variable frequency pump of counter-infiltration all-in-one import, be divided on the inside of counter-infiltration all-in-one import the first feed pipe and second to
Water pipe, first feed pipe connect first node and fourth node, the first node point respectively by positive one section of automatic valve
One section of film first port and the 3rd node are not connected, and the fourth node connects section point and by described anti-two respectively
Section automatic valve connects the two-segment film second port, and the section point connects one section of film second port, and described second gives
Water pipe connects the section point and the 3rd node respectively by anti-one section of automatic valve, the 3rd node by it is described just
Two sections of automatic valves connect the two-segment film first port.
4. the counter-infiltration all-in-one of a kind of raising contamination resistance according to claim 1 and the rate of recovery, it is characterised in that
One section of film first port, one section of film second port, the two-segment film first port and the two-segment film second port
It is provided with respective pressure transmitter.
5. the counter-infiltration all-in-one of a kind of raising contamination resistance according to claim 4 and the rate of recovery, it is characterised in that
The pressure transmitter connects automatic controller.
6. the counter-infiltration all-in-one of a kind of raising contamination resistance according to claim 5 and the rate of recovery, it is characterised in that
The automatic controller Connection Time controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962493.6U CN207153483U (en) | 2017-08-03 | 2017-08-03 | It is a kind of to improve contamination resistance and the counter-infiltration all-in-one of the rate of recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720962493.6U CN207153483U (en) | 2017-08-03 | 2017-08-03 | It is a kind of to improve contamination resistance and the counter-infiltration all-in-one of the rate of recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207153483U true CN207153483U (en) | 2018-03-30 |
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ID=61715992
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720962493.6U Active CN207153483U (en) | 2017-08-03 | 2017-08-03 | It is a kind of to improve contamination resistance and the counter-infiltration all-in-one of the rate of recovery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207153483U (en) |
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2017
- 2017-08-03 CN CN201720962493.6U patent/CN207153483U/en active Active
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