CN206298480U - A kind of device for improving the film separation system rate of recovery - Google Patents
A kind of device for improving the film separation system rate of recovery Download PDFInfo
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- CN206298480U CN206298480U CN201621203350.9U CN201621203350U CN206298480U CN 206298480 U CN206298480 U CN 206298480U CN 201621203350 U CN201621203350 U CN 201621203350U CN 206298480 U CN206298480 U CN 206298480U
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Abstract
The utility model discloses a kind of device for improving the film separation system rate of recovery, including：Electronic anti-scaling device, membrane separation assemblies, chemicals dosing plant, control system, online SDI instrument, online pressure gauge, online conductivity gauge；The electronic anti-scaling is installed in UF membrane water inlet pipe outer wall and is fitted around, and alternating electromagnetic field can be produced on conduit section, and the physics flocculation of contaminant particle in fortified water improves UF membrane efficiency and the system rate of recovery；The membrane separation assemblies carry out separation of solid and liquid using both sides differential pressure of membrane；The control system is being collected and is processing the feedback data such as online SDI instrument, online pressure gauge, online conductivity gauge, and electronic anti-scaling device, chemicals dosing plant running frequency are adjusted as needed；The method enhances flocculating effect, reduces medicament usage amount, prevents shape film formation surface hard scale suitable for film separation system, finally improves the UF membrane rate of recovery.
Description
Technical field
The utility model relates to the use of seperation film carries out separation of solid and liquid field, especially the water treatment field such as sewage, feedwater
A kind of device for improving the film separation system rate of recovery.
Background technology
Membrane separation technique is with permselectivity membrane, with outside energy or chemical potential difference using natural or artificial preparation
For the method that motive force is separated, be classified, purified and concentrated to bi-component or multi-component solute and solvent.Because it has
Under normal temperature operation, without phase-state change, it is energy-efficient, do not produce pollution in process of production the features such as, therefore drink water purifying,
Industrial water treatment, food, water for beverages purification, degerming, bioactivator reclaimed, the aspect such as refined is used widely,
And the every field such as weaving, chemical industry, electric power, food, metallurgy, oil, machinery, biology, pharmacy, fermentation are generalized to rapidly.Separate
Film is a dark horse because of its unique structure and performance in terms of environmental protection and resource regeneration, in environmental project, is particularly given up
Water process and Treated sewage reusing aspect have a wide range of applications.
According to the difference of separate substance, membrane separating process can be divided into micro-filtration (0.05~2um of membrane aperture), ultrafiltration (0.0015
~0.02um), nanofiltration (membrane aperture average out to 2nm), counter-infiltration (membrane aperture be less than 0.002um), dialysis, electrodialysis, aquifer yield
With the leading indicator that the rate of recovery is separation film properties.Wherein, the rate of recovery refers to that feedwater transforms into product water or transmission in membranous system
The percentage of liquid, it is often desirable that maximize to increase economic efficiency.But, due to the particulate in accessing pending water, colloidal particle
Or the material such as solute transportation, it will there is physical chemistry with seperation film and interact or mechanism, so as to cause in film
Absorption, fouling, deposition etc. in surface or fenestra, (most common pollutant has calcium carbonate scale, calcium sulfate to cause film surface contamination
Dirt, metal oxide dirt, silicon deposits and organic or biogenic deposits etc.), closely cause membrane aperture to diminish or block, serious shadow
Ring aquifer yield and the rate of recovery.In film surface.
At present, control fouling membrane, improve the method for film separation system producing water ratio and the rate of recovery typically using strenuous primary treatment,
Addition antisludging agent, Chemical cleaning and physics such as rinse at the method, above method increased equipment investment and operation, medicament it is a large amount of
Use, considerably increase construction and the operating cost of system.
Utility model content
The utility model provides a kind of method and its device for improving the film separation system rate of recovery, can effectively solve
State problem.
The technical solution adopted in the utility model is as follows：
The method and its device of a kind of raising film separation system rate of recovery that the utility model is provided, including：Electronic anti-scaling
Device, membrane separation assemblies, chemicals dosing plant, control system, online SDI instrument, online pressure gauge, online conductivity gauge；
Described electronic anti-scaling is installed in UF membrane water inlet pipe outer wall and is fitted around, without cutting off pipeline；Electronic anti-scaling
Device can produce alternating electromagnetic field on conduit section, and the electromagnetic field can not only influence positive and negative charge in water to move, can be with
Apply electric charge to finely ground particles, so that the particle for possessing electric charge is attracted each other under electric field action, unites and crystallized, by
Step becomes larger flocculation group, strengthens the physics flocculation of water pollutant, is easy to the seizure of membrane separation assemblies, improves film point
From efficiency and the system rate of recovery；Meanwhile, the alternating electromagnetic field on pipeline axial direction again generate can in the electromagnetic wave of water transmission,
To be crystallized by electromagnetic wave propagation, during flocculation extends to whole water system, the shape of film surface hard scale can be effectively prevent
Into；
Described membrane separation assemblies are all membrane separation plants that separation of solid and liquid is carried out by film pressure at both sides difference, including micro-
Filter, ultrafiltration, nanofiltration, counter-infiltration etc.；
Described online SDI instrument, chemicals dosing plant are arranged on the inlet channel before electronic anti-scaling device；Described online pressure
Power meter is respectively provided with membrane module Inlet and outlet water two ends；Described online conductivity gauge is arranged on the outlet pipeline of membrane separation assemblies rear end；
The equal real-time Transmission of above instrumented data is to control system；
Described control system is collected and processes the feedback data such as online SDI instrument, online pressure gauge, online conductivity gauge, with
This needs adjustment electronic anti-scaling device, chemicals dosing plant running frequency according to technique, enhanced flocculation effect, reduce medicament usage amount,
Shape film formation surface hard scale is prevented, the UF membrane rate of recovery is finally improved.
Described chemicals dosing plant can add the medicaments such as flocculant, antisludging agent according to technological requirement, and its running frequency is controlled
The control of system；
The beneficial effects of the utility model：
(1) alternating electromagnetic field that the utility model is produced by electronic anti-scaling device on conduit section is thin in promotion water
Little particle is attracted each other, unites and crystallized and progressively becomes larger flocculation group, strengthens the physics flocculation of water pollutant,
It is easy to the seizure of seperation film, improves UF membrane efficiency and the system rate of recovery；
(2) what the utility model passed through electronic anti-scaling device on pipeline axial direction and generated can be in the electromagnetism of water transmission
Ripple, will be crystallized by electromagnetic wave propagation, during flocculation extends to whole water system, can effectively prevent film surface hard scale
Formed, reduce the usage amount of antisludging agent, finally improve the UF membrane rate of recovery.
Brief description of the drawings：
Fig. 1：A kind of schematic device for improving the film separation system rate of recovery.
Description of reference numerals：
1：Electronic anti-scaling device；2：Membrane separation assemblies；3：Chemicals dosing plant；4：Control system；5：Online SDI instrument；6：Online
Pressure gauge；7：Online conductivity gauge
Specific embodiment
The technical solution of the utility model is elaborated below in conjunction with the accompanying drawings：
Embodiment 1：
With underground water as production water source, hardness, sulfate equal size are higher in its water in certain chemical plant, and wherein electrical conductivity is about
It is 1850-2300, to ensure product quality, underground water is processed using RO systems, but be frequently found in the process of running
There is calcium sulfate scale to generate on RO reverse osmosis membranes, aquifer yield and the rate of recovery have the trend of reduction, adding antisludging agent and periodically
Chemical cleaning, physics rinse the effect for being not up to rate of recovery stabilization.
As shown in figure 1, being transformed as follows existing RO film separation systems：In the total of existing RO membrane separation assemblies (2)
On water inlet segment install electronic anti-scaling device (1), Central Control Room increase control system (4), and by existing chemicals dosing plant (3),
Line SDI instrument (5), online pressure gauge (6), online conductivity gauge (7) signal introduce control system.
After the completion of the system reform, electronic anti-scaling device (1) produces alternating electromagnetic field on conduit section, positive and negative in influence water
Charge movement and to finely ground particles apply electric charge so that the particle for possessing electric charge in water is mutually inhaled under electric field action
Draw, unite and crystallize, progressively become larger flocculation group, strengthen the physics flocculation of water pollutant, be easy to UF membrane group
The seizure of part (2), improves UF membrane efficiency and the system rate of recovery；Meanwhile, the alternating electromagnetic field is generated again on pipeline axial direction
The formation of film surface hard scale can be effectively prevent in the electromagnetic wave of water transmission；Control system (4) is collecting and is processing online
The feedback data such as SDI instrument (5), online pressure gauge (6), online conductivity gauge (7), adjust electronic anti-scaling device (1), add as needed
Medicine device (3) running frequency.
Described chemicals dosing plant (3) can add the medicaments such as flocculant, antisludging agent according to technological requirement, and its running frequency is controlled
The control of system (4) processed；
After the system reform in the case of existing adding of agent is maintained, second day rate of recovery rises 67%, fortune by original 65%
Row data are by after fluctuating change in 2 weeks, stablizing be promoted to 72% always；Concentrated water valve is adjusted, scale inhibitor dosing amount is reduced
After 20%, in the case where salt rejection rate is constant, the rate of recovery has reached 75%, while extending the cleaning frequency.
This example strengthens the physics flocculation of water pollutant, just by electronic anti-scaling device, the installation of control system
In the seizure of seperation film, it is therefore prevented that the formation of film surface hard scale, UF membrane efficiency and the system rate of recovery are improved, effectively reduce resistance
The usage amount of dirty agent, extends the cleaning frequency.
Embodiment 2：
Embodiment 1：
Certain steam power plant carries out treatment work with " water inlet → flocculation sediment → clarification → UF → RO → product water " technique to surface water
For recirculated cooling water is used.Wherein, the earth's surface water hardness is higher, and wherein electrical conductivity is about 2500, easily in RO reverse osmosis in running
Hard scale is generated in permeable membrane, aquifer yield is unstable with the rate of recovery.
As shown in figure 1, being transformed as follows existing RO film separation systems：In the total of existing RO membrane separation assemblies (2)
On water inlet segment install electronic anti-scaling device (1), Central Control Room increase control system (4), and by existing chemicals dosing plant (3),
Line SDI instrument (5), online pressure gauge (6), online conductivity gauge (7) signal introduce control system.
After the completion of the system reform, electronic anti-scaling device (1) produces alternating electromagnetic field on conduit section, positive and negative in influence water
Charge movement and to finely ground particles apply electric charge so that the particle for possessing electric charge in water is mutually inhaled under electric field action
Draw, unite and crystallize, progressively become larger flocculation group, strengthen the physics flocculation of water pollutant, be easy to UF membrane group
The seizure of part (2), improves UF membrane efficiency and the system rate of recovery；Meanwhile, the alternating electromagnetic field is generated again on pipeline axial direction
The formation of film surface hard scale can be effectively prevent in the electromagnetic wave of water transmission；Control system (4) is collecting and is processing online
The feedback data such as SDI instrument (5), online pressure gauge (6), online conductivity gauge (7), adjust electronic anti-scaling device (1), add as needed
Medicine device (3) running frequency.
Described chemicals dosing plant (3) can add the medicaments such as flocculant, antisludging agent according to technological requirement, and its running frequency is controlled
The control of system (4) processed；
After the system reform, in the case where salt rejection rate is constant, 15 days rate of recovery of RO film separation systems improve 14.5%, scale inhibition
Agent dosage reduction by 25%, extends the cleaning frequency.
This example strengthens the physics flocculation of water pollutant, just by electronic anti-scaling device, the installation of control system
In the seizure of seperation film, it is therefore prevented that the formation of film surface hard scale, UF membrane efficiency and the system rate of recovery are improved, effectively reduce resistance
The usage amount of dirty agent, extends the cleaning frequency.
Claims (6)
1. it is a kind of improve the film separation system rate of recovery device, including：Electronic anti-scaling device, membrane separation assemblies, chemicals dosing plant, control
System processed, online SDI instrument, online pressure gauge, online conductivity gauge；
The electronic anti-scaling is installed in UF membrane water inlet pipe outer wall and is fitted around, and alternating electromagnetism can be produced on conduit section
, the physics flocculation of contaminant particle in fortified water, while the anti-film surface that terminates in forms hard scale；
The membrane separation assemblies carry out separation of solid and liquid using both sides differential pressure of membrane；
The control system collect and process online SDI instrument, online pressure gauge, online conductivity gauge feedback data, as needed
Adjustment electronic anti-scaling device, chemicals dosing plant running frequency.
2. a kind of device for improving the film separation system rate of recovery according to claim 1, it is characterised in that electronics resistance
Dirt is installed in UF membrane water inlet pipe outer wall and is fitted around, and the alternating electromagnetism along pipeline Propagation is produced on conduit section
；The electric field that the electronic anti-scaling device is formed directly affects in pipeline the motion of charged particle and the quantity of electric charge in liquid, accelerates
Intergranular is attracted each other, unites and crystallized and larger flocculation is rolled into a ball formation, the hard scale generation of prevention separation membrane surface, are easy to UF membrane group
The seizure of part, improves UF membrane efficiency and the system rate of recovery.
3. it is according to claim 1 it is a kind of improve the film separation system rate of recovery device, it is characterised in that the UF membrane
Component is all membrane separation plants that separation of solid and liquid is carried out by film pressure at both sides difference, including micro-filtration, ultrafiltration, nanofiltration, counter-infiltration.
4. it is according to claim 1 it is a kind of improve the film separation system rate of recovery device, it is characterised in that described is online
SDI instrument, chemicals dosing plant are arranged on the inlet channel before electronic anti-scaling device；Described online pressure gauge is in membrane module Inlet and outlet water
Two ends are respectively provided with；Described online conductivity gauge is arranged on the outlet pipeline of membrane separation assemblies rear end；Above instrumented data is real-time
Transmit to control system.
5. it is according to claim 1 it is a kind of improve the film separation system rate of recovery device, it is characterised in that described control
Systematic collection simultaneously processes online SDI instrument, online pressure gauge, online conductivity gauge feedback data, and adjustment electricity is needed according to technique with this
Sub- antiscaling device, chemicals dosing plant running frequency, enhanced flocculation effect, reduce medicament usage amount, prevent shape film formation surface hard scale, most
The UF membrane rate of recovery is improve eventually.
6. it is according to claim 1 it is a kind of improve the film separation system rate of recovery device, it is characterised in that described dosing
Device can add flocculant, antisludging agent medicament, the control of the controlled system of its running frequency according to technological requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621203350.9U CN206298480U (en) | 2016-11-08 | 2016-11-08 | A kind of device for improving the film separation system rate of recovery |
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|---|---|---|---|
| CN201621203350.9U CN206298480U (en) | 2016-11-08 | 2016-11-08 | A kind of device for improving the film separation system rate of recovery |
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| CN206298480U true CN206298480U (en) | 2017-07-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106336070A (en) * | 2016-11-08 | 2017-01-18 | 英普（北京）环境科技有限公司 | Method for improving recovery rate of membrane separation system and device thereof |
| CN110845069A (en) * | 2019-12-27 | 2020-02-28 | 天津天工正分离膜检验检测技术服务有限公司 | Portable magnetic energy water purifying device |
-
2016
- 2016-11-08 CN CN201621203350.9U patent/CN206298480U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106336070A (en) * | 2016-11-08 | 2017-01-18 | 英普（北京）环境科技有限公司 | Method for improving recovery rate of membrane separation system and device thereof |
| CN110845069A (en) * | 2019-12-27 | 2020-02-28 | 天津天工正分离膜检验检测技术服务有限公司 | Portable magnetic energy water purifying device |
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