CN204159229U - The device of a kind of membrane component and this membrane component of use - Google Patents
The device of a kind of membrane component and this membrane component of use Download PDFInfo
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- CN204159229U CN204159229U CN201420441275.4U CN201420441275U CN204159229U CN 204159229 U CN204159229 U CN 204159229U CN 201420441275 U CN201420441275 U CN 201420441275U CN 204159229 U CN204159229 U CN 204159229U
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Abstract
The utility model relates to a kind of membrane component and uses the device of this membrane component.Described membrane component comprises diaphragm, water inlet flows into the water inlet end of described diaphragm, waste water flows out the pure water end that the wastewater effluent end of described diaphragm and pure water flow out described diaphragm, described membrane component also comprises the water inlet end electrode be located in described water inlet and the pure water termination electrode be located in described pure water, described pure water termination electrode is connected with power cathode, described water inlet end electrode is connected with positive source, described water inlet end electrode zone and described distance of intaking the water inlet end flowing into described diaphragm are greater than the distance that described water inlet end electrode zone and described waste water flow out the wastewater effluent end of described diaphragm.
Description
Technical field
The utility model relates to a kind of novel electrochemistry self-cleaning membrane component and uses the device, particularly a kind of novel dissolve inorganic salts fouling of this membrane component, improves membrane component and the device in membrane component service life.
Background technology
Reverse-osmosis membrane element is the core component of Membrane Separation for Water Treatment, can remove the microorganism in water source, ion etc., obtain pure water.Current existing reverse-osmosis membrane element mainly reaches the object of pure water preparation under a certain pressure by reverse osmosis membrane.In the real process using reverse-osmosis membrane element to process running water, find that the wastewater effluent end produced has higher concentration and hardness, cause membrane component to be easy to inorganic salts fouling occurs, reduce the service life of membrane component.In the reverse osmosis treatment system of middle and small scale, usually adopt and add antisludging agent, reduce the mode of the rate of recovery to reduce the fouling of membrane surface.But add antisludging agent while minimizing fouling, result in again the increase of waste water.
Utility model content
Technical problem
Technical problem to be solved in the utility model is the inorganic salts scale problems solving membrane surface in counter-infiltration or NF membrane element, extends the membrane component life-span, and improves the membrane component rate of recovery to a certain extent.
Technical scheme
The exploitation of reverse osmosis/nanofiltration membrane element of the present utility model is on the basis of existing reverse osmosis/nanofiltration membrane element, adopts electrochemical method to produce H
+, dissolve the fouling that membrane surface produces, extend the service life of membrane component.The utility model reverse osmosis/nanofiltration membrane element adds electrode respectively in the water inlet of traditional reverse osmosis/nanofiltration membrane element and pure water end, and described electrode lays respectively at reverse osmosis/nanofiltration membrane sheet both sides.
According to first aspect of the present utility model, provide a kind of electrochemistry self-cleaning membrane component, it is characterized in that described membrane component comprises diaphragm, water inlet flows into the water inlet end of described diaphragm, waste water flows out the pure water end that the wastewater effluent end of described diaphragm and pure water flow out described diaphragm, described membrane component also comprises the water inlet end electrode be located in described water inlet and the pure water termination electrode be located in described pure water, described pure water termination electrode is connected with power cathode, described water inlet end electrode is connected with positive source, described water inlet end electrode zone and described distance of intaking the water inlet end flowing into described diaphragm are greater than the distance that described water inlet end electrode zone and described waste water flow out the wastewater effluent end of described diaphragm.
In above-mentioned membrane component, described water inlet end electrode is positioned at the influent side on described diaphragm, and/or described pure water termination electrode is positioned at the pure water side on described diaphragm.
In above-mentioned membrane component, the distance B of described water inlet end electrode zone and described wastewater effluent end or B ' >=2cm.
In above-mentioned membrane component, the length in described pure water termination electrode region be described diaphragm on water inlet bulk flow direction effective length 1/3 ~ 1/2; The width in described pure water termination electrode region is perpendicular to diaphragm width effective on water inlet bulk flow direction 1/2 ~ 1.
In above-mentioned membrane component, the registration of described pure water termination electrode region and described water inlet end electrode zone is more than 80%, is preferably more than 90%, more preferably overlaps substantially completely.
In above-mentioned membrane component, described membrane component also has adhesive area, and the adhesive area of described diaphragm is avoided in described water inlet end electrode zone and described pure water termination electrode region.
In above-mentioned membrane component, described membrane component also comprises pure water selvage guide and water inlet graticule mesh, and described pure water termination electrode is arranged on described pure water selvage guide, and described water inlet end electrode arrangements is in described water inlet graticule mesh.
In above-mentioned membrane component, between described water inlet end electrode and described pure water termination electrode, form 15mA ~ 200mA, preferably the anti-tartar electric current of 20 ~ 100mA.
In above-mentioned membrane component, described water inlet end electrode and/or pure water termination electrode are thread, sheet, tabular or mesh electrode independently.
In above-mentioned membrane component, described diaphragm is reverse osmosis membrane or NF membrane.
In above-mentioned membrane component, described membrane component is wound membrane element, collapsible membrane component, hollow fibre membrane component or plate and frame membrane component.
In above-mentioned membrane component, described pure water termination electrode pulls out from pure water central tube, water inlet end or waste water end, and carries out insulation processing to pure water termination electrode through the part of water inlet and/or waste water.
According to second aspect of the present utility model, provide a kind of water treatment facilities, described device comprises above-mentioned membrane component.
In above-mentioned water treatment facilities, also comprise the water storage device be connected with pure water water side, the pump be connected successively with membrane component water inlet end and prefilter element, be provided with in the pure water water side of described membrane component the return line being connected to membrane component water inlet end.
In above-mentioned water treatment facilities, described pipeline is connected between described prefilter element and described pump.
Can control part be had in above-mentioned membrane component or water treatment facilities, stop carrying out during water running processed at described membrane component with control electrode energising.
Control part can be had in above-mentioned membrane component or water treatment facilities; be divided into the water running process processed controlling described membrane component and repeatedly run; after water running processed terminates, at least once shut down energising, the conduction time of described electrode is 10 ~ 50 minutes, is preferably 20 ~ 40 minutes.
In above-mentioned membrane component or water treatment facilities, electrifying electrodes can be divided into repeatedly carries out, and is energized 5 ~ 15 minutes at every turn, after each energising terminates, and water running processed 1 ~ 3 minute.
In above-mentioned membrane component or water treatment facilities, can before described membrane component be shut down, with the influent side of diaphragm described in pure water rinsing.
In above-mentioned membrane component or water treatment facilities, pure water rinses the influent side of described diaphragm before getting back to film in the mode of backflow.
Technique effect
Model electrochemical self-cleaning reverse osmosis/nanofiltration membrane element of the present utility model maintains the advantage of former membrane component equipment with high desalinization, and can by applying certain electric current, can when not adding any chemical reagent, dissolve the fouling that membrane surface is formed, increase membrane component service life; Meanwhile, the rate of recovery can be improved to a certain extent.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model for an embodiment in a kind of membrane component of form;
Fig. 2 is the schematic diagram of the utility model for an embodiment in the membrane component of another kind of form;
Fig. 3 is the schematic diagram of the utility model for an embodiment in the membrane component of another kind of form;
Fig. 4 is a kind of electrochemistry self-cleaning water treating apparatus schematic diagram;
In above-mentioned accompanying drawing, 1. represent diaphragm; 2. water inlet graticule mesh is represented; 3. pure water selvage guide is represented; 4. collector pipe is represented; 5. pure water termination electrode is represented; 6. water inlet end electrode is represented; 7. limit glue and sealing compound is represented; 8. marine glue district is represented.A represents wire electrode or the effective length of electrode slice (plate) layout area on water inlet current main direction; B and B ' represents that wire electrode or electrode slice (plate) arrange the minimum range of district's distance wastewater effluent mouth on waste body water outlet direction.
In the diagram, 1 represents preposition filter core; 2 represent booster pump; 3 represent membrane component; 4 represent water butt; 5 represent pure water return valve.
Detailed description of the invention
In the utility model, the rate of recovery=pure water flow/flow of inlet water.
Normal flow is the pure water flow of (25 DEG C) at the standard conditions.
Static pressure=external pressure-osmotic pressure.
Pure water flow rate is normal flow and the ratio of static pressure.Pure water flow rate attenuation rate is compared to initial pure water flow rate, the percentage that current pure water flow rate declines.
Multi-form membrane component, water (flow) direction is different.As shown in fig. 1, current enter membrane component in the direction of the arrow, after converging, flow along the direction (i.e. the length direction of membrane component) substantially vertical with water inlet direction (i.e. the direction of arrow) in membrane component.In the case, water inlet current main direction just refers to the length direction of membrane component, A represents wire electrode or the distance of electrode slice (plate) layout area on water inlet current bulk flow direction, meanwhile, B represents wire electrode or the nearest distance of electrode slice (plate) distance wastewater effluent end.In FIG, the wire connecting pure water termination electrode is arranged through collector pipe.
In fig. 2, current enter membrane component in the direction of the arrow, then flow out membrane component in the direction of the arrow.In the case, water inlet current main direction just refers to the width of membrane component, and A represents wire electrode or the distance of electrode slice (plate) layout area on water inlet current bulk flow direction.B ' represents the minimum distance of wire electrode or electrode slice (plate) distance wastewater effluent end.
In figure 3, current enter membrane component in the direction of the arrow, after converging, flow along the direction (i.e. the length direction of membrane component) substantially vertical with water inlet direction (i.e. the direction of arrow) in membrane component.In the case, water inlet current main direction just refers to the length direction of membrane component, A represents wire electrode or the distance of electrode slice (plate) layout area on water inlet current bulk flow direction, meanwhile, B represents wire electrode or the nearest distance of electrode slice (plate) distance wastewater effluent end.In FIG, the wire (not shown) connecting pure water termination electrode is not arranged through collector pipe, and the part of now pure water termination electrode contact water inlet and/or waste water carries out insulation processing.
In the diagram; intake after being filtered by preposition filter core 1; membrane component 3 is entered under the effect of booster pump 2; the pure water produced can be stored into a tank; namely in water butt 4; before shutting down energising, before adopting the pure water obtained to get back to pump in the mode of backflow, membrane component 3 is rinsed, ensure that the waste strength in galvanization in membrane component is lower.On pure water current return circuit, pure water return valve 5 can be set.
In addition, in membrane component of the present utility model or device, not shown control part can be had, to control time of being energized and electric current etc.
For multi-form membrane component, the setting of electrode is: water inlet end arrangement of electrodes is in every one page water inlet graticule mesh, arrange near wastewater effluent end, described water inlet end electrode zone and described distance of intaking the water inlet end flowing into described diaphragm are greater than distance that described water inlet end electrode zone and described waste water flow out the wastewater effluent end of described diaphragm, the minimum distance of water inlet end electrode zone and wastewater effluent end is more than or equal to 2cm.By this feature, can ensure to shut down in galvanization, the H that water inlet end electrode produces
+directly can dissolve the inorganic salts fouling that diaphragm wastewater effluent end produces.Pure water termination electrode is arranged on every one page pure water selvage guide, pure water termination electrode region and water inlet electrode zone overlapping area more than 25%, to ensure certain current strength.Lap is too small, the resistance between two electrodes can be caused excessive, thus affect descale effect.This lap is more than 80%, is preferably more than 90%, more preferably overlaps substantially completely.
In the utility model, the length of described pure water termination electrode be described diaphragm on water inlet bulk flow direction effective length 1/3 ~ 1/2, thus ensure certain electric current, the OH produced at pure water end during simultaneously guaranteeing to be energized
-can ensure that pure water pH reaches alkalescent scope.
Electrode can be positioned at diaphragm both sides, and electrode can directly be installed on diaphragm.In addition, described membrane component can also comprise pure water selvage guide and water inlet graticule mesh, and electrode can not be directly installed on diaphragm yet, and on the water inlet graticule mesh being mounted in diaphragm both sides and pure water selvage guide.Pure water termination electrode is arranged on pure water selvage guide, and water inlet end electrode is then arranged in in water graticule mesh.To the electrode material of water inlet end, be necessary for inert electrode material, as gold, platinum, silver, iridium coating layer titanium silk, platinum coated titanium silk, macromolecule conducting material etc., pure water termination electrode material is can conductive material, preferably uses inert material.Water inlet and the electrode form of pure water end can be thread, sheet, tabular, netted etc.Pure water termination electrode should be connected with power cathode, and water inlet end electrode is connected with positive source.Described diaphragm can be reverse osmosis membrane or NF membrane, also can be other pellicles.
Described membrane component can have adhesive area, and the adhesive area of described diaphragm should be avoided in described water inlet end electrode zone and described pure water termination electrode region.
In the utility model, described membrane component can also comprise collector pipe.The electrode of pure water end can concentrate in together to be passed by collector pipe and be connected with putamina pure water end, also can be pulled out by water inlet end or waste water end.Insulation processing can be carried out through the part of water inlet and/or waste water to pure water termination electrode.Water inlet end electrode can be connected with putamina water inlet end.Pure water end is connected with positive pole with the negative pole of dc source respectively with water inlet end electrode.
Described membrane component can be wound membrane element, collapsible membrane component, hollow fibre membrane component or plate and frame membrane component.These membrane components are known in the art.
The utility model additionally provides a kind of water treatment facilities, and described device comprises above-mentioned membrane component.More specifically, as shown in Figure 3, described device also comprises the pump and prefilter element that are connected successively with membrane component water inlet end, the pipeline being connected to membrane component water inlet end is provided with in the pure water water side of described membrane component, water inlet end pure water being drained to membrane component is with the remaining dirt of flushing membrane element, and preferred described pipeline is connected between described prefilter element and described pump.In addition, water side comprises wastewater effluent end and pure water water side.
In the utility model, need the anti-tartar electric current forming 15mA ~ 200mA between water inlet end electrode and pure water termination electrode, anti-tartar electric current preferably 20 ~ 100mA.Electric current is too small, then cannot ensure enough anti-tartar effects.Electric current is excessive, and ion may be caused to gather, and increases fouling tendency.
The utility model additionally provides a kind of method for treating water, wherein uses membrane component described above to process water.
Generally speaking, energising carries out when water processed.Under power on condition, the former water end (W.E.) connecting positive pole produces H
+, thus dissolve the fouling that membrane surface produces, improve membrane component service life.In addition, the pure water end connecting negative pole produces OH-, during water processed, can adjusting water outlet be alkalescent.Meanwhile, the rate of recovery can be improved to a certain extent.But there is following defect in technique scheme: owing to containing a certain amount of Ca in water inlet
2+and Mg
2+deng, make it be easy to assemble at membrane surface under electric field action, thus cause the fouling of ate electrode comparatively serious.The scale formation that during operation, extra electric field easily causes ate electrode comparatively serious.In contrast, in the utility model, membrane component is electrode no power in running, and energising is carried out after a shutdown.Adopt which, applicant surprisingly finds, can effectively avoid ate electrode fouling, and pure water end can produce the pure water of high ph-values simultaneously, and during operation, the adjustable water outlet of the pure water of this part high ph-values is alkalescent.Meanwhile, applicant finds, before shutting down, adopt pure water to clean the high-concentration waste water in membrane component, and then after-applied electric field.Adopt pure water to carry out rinsing and the high-concentration waste water in element can be replaced into the low water of ion concentration, thus avoid the ion gathering caused because electric field exists, ate electrode fouling can be avoided better, be therefore more preferably.Described pure water directly can to use in the utility model obtained pure water, namely can make pure water be back to diaphragm before diaphragm is cleaned.
That is, according to method of the present utility model, electrifying electrodes stops carrying out during water running processed at described membrane component, is and shuts down energising.The water running process processed of described membrane component can be divided into repeatedly to be run, and the time of water running processed determines according to being used for needing with water, is not particularly limited.Can shut down energising at least one times after water running processed terminates, the conduction time of electrode can be 10 ~ 50 minutes, is preferably 20 ~ 40 minutes.That is, the flow process of process for preparing water can be: water-shutdown (energising) processed-water-shutdown (energising) processed-water-shutdown (energising) processed ..., in this process; shut down energising at least to carry out once; after some water processed, can only shut down, no power.Therefore, represent with " shutting down (energising) ", energising is selective carrying out, and is energized as long as meet to shut down at least one times.In addition, in shutdown galvanization, the energising of electrode can be carried out several times, is energized 5 ~ 15 minutes at every turn, after each energising terminates, and water running processed 1 ~ 3 minute.Adopt this method of operation, after energising terminates, with obtained pure water rinsing diaphragm once, can obtain better good antiscale property effect.Before described membrane component is shut down, can use the influent side of diaphragm described in obtained pure water rinsing, wherein pure water rinses the influent side of described diaphragm before getting back to film in the mode of backflow.
Embodiment
Embodiment 1
The long 0.5mm diameter yttrium oxide coated titanium silk of 7 10cm is added as electrode in the water inlet graticule mesh of 1810-75G-ss lateral flow type (structure of membrane component shown in Fig. 1) reverse-osmosis membrane element, the yttrium oxide coated titanium silk of the long 0.5mm diameter of 7 5cm is added as electrode in pure water selvage guide, wherein A is the length of pure water arrangement of electrodes region minor face, be 5cm, B is the distance from the nearest wire electrode distance wastewater effluent end of wastewater effluent end, for 5cm, prepare the wound membrane element of model electrochemical self-cleaning, pure water termination electrode silk is connected with DC power cathode, water inlet end wire electrode is connected with DC power anode, the mode that before shutting down, pure water backflow is rinsed is adopted to clean membrane component.Specifically, water running process processed is divided into carries out for 3 times, and in the laggard electricity cleaning that works of each water running processed, shut down the about 30min that is energized, finally water processed is full to water at every turn.Adopt this method of operation, the pure water pH in pressure pot can reach 7.9, and when membrane component pure water water amount reaches 10t, pure water flow rate attenuation rate is 30%.
Embodiment 2
The long 0.5mm diameter yttrium oxide coated titanium silk of 7 10cm is added as electrode in the water inlet graticule mesh of 1810-75G (structure of membrane component shown in Fig. 2) reverse-osmosis membrane element, the yttrium oxide coated titanium silk of the long 0.5mm diameter of 7 10cm is added as electrode in pure water selvage guide, wherein A is the length of pure water arrangement of electrodes region minor face, be 10cm, B is the distance from the nearest wire electrode distance wastewater effluent end of wastewater effluent end, for 5cm, prepare the wound membrane element of model electrochemical self-cleaning, pure water termination electrode silk is connected with DC power cathode, water inlet end wire electrode is connected with DC power anode, the mode that before shutting down, pure water backflow is rinsed is adopted to clean membrane component.Running is divided into and carries out for 3 times, the laggard electricity cleaning that works of each water running processed, shuts down the about 20min that is energized at every turn, finally water processed to water completely.Adopt this method of operation, the pure water pH in pressure pot can reach 7.88, and when membrane component pure water water amount reaches 8t, pure water flow rate attenuation rate is 30%.
Embodiment 3
As described in case study on implementation 1, prepare membrane component, adopt shut down before pure water do not reflux rinse mode membrane component is cleaned.Running is divided into and carries out for 3 times, the laggard electricity cleaning that works of each water running processed, shuts down the about 30min that is energized at every turn, finally water processed to water completely.Adopt this method of operation, the pure water pH in pressure pot can reach 8.1, and when membrane component pure water water amount reaches 4t, pure water flow rate attenuation rate reduces to 30%.Compared with embodiment 1, when its pure water flow rate decays to 30%, water amount is less, can find out that pure water backflow cleaning performance is better than not refluxing.
Embodiment 4
As described in case study on implementation 1, prepare membrane component, when its water inlet and pure water termination electrode overlapping area are 10%, adopt the mode that before shutting down, pure water backflow is rinsed to clean membrane component.Water running process processed is divided into carries out for 3 times, and the laggard electricity cleaning that works of each water running processed, each shutdown is about 40min conduction time, and finally water processed is full to water.Adopt this method of operation, the pure water pH in pressure pot is 7, almost identical with pure water pH when not being energized, and when membrane component pure water water amount reaches 4t, pure water flow rate attenuation rate is 35%.
Embodiment 5
As described in case study on implementation 1, prepare membrane component, when its water inlet and pure water termination electrode overlapping area are 80%, adopt the mode that before shutting down, pure water backflow is rinsed to clean membrane component.Water running process processed is divided into carries out for 3 times, and in the laggard electricity cleaning that works of second time water running processed, shut down the about 25min that is energized, finally water processed is full to water.Adopt this method of operation, the pure water pH in water butt can reach 7.6, and when membrane component pure water water amount reaches 7t, pure water flow rate attenuation rate is 35%.
Embodiment 6
Membrane component is prepared as described in case study on implementation 1; when its water inlet and pure water termination electrode overlapping area are 80%; the mode that before shutting down, pure water backflow is rinsed is adopted to clean membrane component; water running process processed is divided into carries out for 3 times, and each water running processed terminates rear shutdown and to be energized about 25min, and this shutdown is energized to being divided into and carries out for 2 times; be energized about 10min for the first time; then stop energising, water processed 2 minutes, then shut down energising about 15 minutes.Finally water processed is full to water.Adopt this method of operation, the pure water pH in water butt can reach 7.8, and when membrane component pure water water amount reaches 8t, pure water flow rate attenuation rate is 30%.
Claims (22)
1. a membrane component, it is characterized in that, described membrane component comprises diaphragm, water inlet flows into the water inlet end of described diaphragm, waste water flows out the pure water end that the wastewater effluent end of described diaphragm and pure water flow out described diaphragm, described membrane component also comprises the water inlet end electrode be located in described water inlet and the pure water termination electrode be located in described pure water, described pure water termination electrode is connected with power cathode, described water inlet end electrode is connected with positive source, described water inlet end electrode zone and described distance of intaking the water inlet end flowing into described diaphragm are greater than the distance that described water inlet end electrode zone and described waste water flow out the wastewater effluent end of described diaphragm.
2. membrane component as claimed in claim 1, wherein, described water inlet end electrode is positioned at the influent side on described diaphragm, and/or described pure water termination electrode is positioned at the pure water side on described diaphragm.
3. membrane component as claimed in claim 1, wherein, the distance B of described water inlet end electrode zone and described wastewater effluent end or B ' >=2cm.
4. membrane component as claimed in claim 1 or 2, wherein, the length in described pure water termination electrode region be described diaphragm on water inlet bulk flow direction effective length 1/3 ~ 1/2; The width in described pure water termination electrode region is perpendicular to diaphragm width effective on water inlet bulk flow direction 1/2 ~ 1.
5. membrane component as claimed in claim 1 or 2, wherein, the registration of described pure water termination electrode region and described water inlet end electrode zone is more than 80%.
6. membrane component as claimed in claim 1 or 2, wherein, the registration of described pure water termination electrode region and described water inlet end electrode zone is more than 90%.
7. membrane component as claimed in claim 1 or 2, wherein, described pure water termination electrode region overlaps substantially completely with described water inlet end electrode zone.
8. membrane component as claimed in claim 1 or 2, wherein, described membrane component also has adhesive area, and the adhesive area of described diaphragm is avoided in described water inlet end electrode zone and described pure water termination electrode region.
9. membrane component as claimed in claim 1 or 2, wherein, described membrane component also comprises pure water selvage guide and water inlet graticule mesh, and described pure water termination electrode is arranged on described pure water selvage guide, and described water inlet end electrode arrangements is in described water inlet graticule mesh.
10. membrane component as claimed in claim 1 or 2, wherein, forms the anti-tartar electric current of 15mA ~ 200mA between described water inlet end electrode and described pure water termination electrode.
11. membrane components as claimed in claim 1 or 2, wherein, form the anti-tartar electric current of 20 ~ 100mA between described water inlet end electrode and described pure water termination electrode.
12. membrane components as claimed in claim 1 or 2, wherein, described water inlet end electrode and/or pure water termination electrode are thread, sheet, tabular or mesh electrode independently.
13. membrane components as claimed in claim 1 or 2, wherein, described diaphragm is reverse osmosis membrane or NF membrane.
14. membrane components as claimed in claim 1 or 2, wherein, described membrane component is wound membrane element, collapsible membrane component, hollow fibre membrane component or plate and frame membrane component.
15. membrane components as claimed in claim 1 or 2, wherein, described pure water termination electrode pulls out from pure water central tube, water inlet end or waste water end, and carries out insulation processing to pure water termination electrode through the part of water inlet and/or waste water.
16. 1 kinds of water treatment facilities, is characterized in that, described device comprises the membrane component described in any one of claim 1 ~ 15.
17. water treatment facilities as claimed in claim 16, it is characterized in that, also comprise the water storage device be connected with pure water water side, the pump be connected successively with membrane component water inlet end and prefilter element, be provided with in the pure water water side of described membrane component the return line being connected to membrane component water inlet end.
18. water treatment facilities as claimed in claim 17, described pipeline is connected between described prefilter element and described pump.
19. membrane components as claimed in claim 1 or water treatment facilities as claimed in claim 16, wherein, described membrane component or water treatment facilities have control part, stop carrying out during water running processed at described membrane component with control electrode energising.
20. membrane components as claimed in claim 1 or water treatment facilities as claimed in claim 16; wherein, described membrane component or water treatment facilities have the control part that the water running process processed controlling described membrane component is divided into repeatedly operation, at least once electrification time of carrying out after water running processed terminates is the shutdown energising of 10 ~ 50 minutes.
21. membrane components as claimed in claim 1 or water treatment facilities as claimed in claim 16; wherein, described membrane component or water treatment facilities have the control part that the water running process processed controlling described membrane component is divided into repeatedly operation, at least once electrification time of carrying out after water running processed terminates is the shutdown energising of 20 ~ 40 minutes.
22. membrane component as claimed in claim 20 or water treatment facilities, wherein, described control part be control electrode energising be divided into repeatedly carry out, be energized at every turn 5 ~ 15 minutes, after each energising terminates the water running processed control part of 1 ~ 3 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420441275.4U CN204159229U (en) | 2014-08-06 | 2014-08-06 | The device of a kind of membrane component and this membrane component of use |
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|---|---|---|---|
| CN201420441275.4U CN204159229U (en) | 2014-08-06 | 2014-08-06 | The device of a kind of membrane component and this membrane component of use |
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| CN204159229U true CN204159229U (en) | 2015-02-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104096483A (en) * | 2014-08-06 | 2014-10-15 | 艾欧史密斯（上海）水处理产品有限公司 | Membrane element, device and water processing method using the membrane element |
| CN104671356A (en) * | 2015-03-09 | 2015-06-03 | 艾欧史密斯(中国)热水器有限公司 | Water treatment device and water purifier |
| CN104843912A (en) * | 2015-05-11 | 2015-08-19 | 艾欧史密斯（上海）水处理产品有限公司 | Filter device and cleaning method thereof |
| WO2016119482A1 (en) * | 2015-01-30 | 2016-08-04 | 艾欧史密斯（南京）水处理产品有限公司 | Membrane element and water treatment device |
-
2014
- 2014-08-06 CN CN201420441275.4U patent/CN204159229U/en not_active Withdrawn - After Issue
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104096483A (en) * | 2014-08-06 | 2014-10-15 | 艾欧史密斯（上海）水处理产品有限公司 | Membrane element, device and water processing method using the membrane element |
| WO2016019880A1 (en) * | 2014-08-06 | 2016-02-11 | 艾欧史密斯（南京）水处理产品有限公司 | Membrane element, device and water treatment method using membrane element |
| WO2016119482A1 (en) * | 2015-01-30 | 2016-08-04 | 艾欧史密斯（南京）水处理产品有限公司 | Membrane element and water treatment device |
| CN104671356A (en) * | 2015-03-09 | 2015-06-03 | 艾欧史密斯(中国)热水器有限公司 | Water treatment device and water purifier |
| CN104843912A (en) * | 2015-05-11 | 2015-08-19 | 艾欧史密斯（上海）水处理产品有限公司 | Filter device and cleaning method thereof |
| WO2016179863A1 (en) * | 2015-05-11 | 2016-11-17 | 艾欧史密斯（南京）水处理产品有限公司 | Filter device and washing method therefor |
| CN104843912B (en) * | 2015-05-11 | 2020-03-13 | 艾欧史密斯（南京）水处理产品有限公司 | Filter device and cleaning method thereof |
| US10814283B1 (en) | 2015-05-11 | 2020-10-27 | A.O.Smith (China) Water Treatment Products Co., Ltd. | Filter device and washing method therefor |
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Address after: 211200 Lishui Economic Development Zone, Jiangsu, Zhongxing Road, No. 9, No. Patentee after: A.O. SMITH (NANJING) WATER TREATMENT PRODUCTS CO., LTD. Address before: 201101, 6 building, Baoli building, seven Xin Lu, 2888, Shanghai, Minhang District Patentee before: A. O. Smith (Shanghai) Water Treatment Products Co., Ltd. |
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