CN204384933U - A kind of nanofiltration device processing lower concentration copper-containing wastewater - Google Patents
A kind of nanofiltration device processing lower concentration copper-containing wastewater Download PDFInfo
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- CN204384933U CN204384933U CN201420848074.6U CN201420848074U CN204384933U CN 204384933 U CN204384933 U CN 204384933U CN 201420848074 U CN201420848074 U CN 201420848074U CN 204384933 U CN204384933 U CN 204384933U
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- nanofiltration
- nanofiltration device
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- drain pipe
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Abstract
The utility model relates to a kind of nanofiltration device processing lower concentration copper-containing wastewater, comprise force (forcing) pump 1, rough filtering device 2, nanofiltration device 3 and back-purge system 4, drain pipe on force (forcing) pump is communicated with rough filtering device, being provided with filter cloth in the middle of rough filtering device can by the catching, solid particles in copper-containing wastewater, then the filtrate through coarse filtration enters in nanofiltration device, water molecules is arranged outward through nanofiltration device, high-concentration copper-containing waste water does further process, can open back-purge system back flushing nanofiltration membrane and filter cloth after running for some time.A kind of nanofiltration device processing lower concentration copper-containing wastewater that the utility model provides, simple, workable, reach again the object of energy-saving and emission-reduction simultaneously.
Description
Technical field
The utility model relates to field of waste water treatment, is specifically related to a kind of nanofiltration device processing lower concentration copper-containing wastewater.
Background technology
Copper is heavy metal, can not be degraded by microorganisms in biochemical treatment process, can only transfer in mud, also can produce toxic action to microorganism when concentration is higher, the domestic process for copper mine waste water mainly contains several: physico-chemical process, substitution method, chemical precipitation method, electrolytic process, absorption method and ion exchange method.But which kind of method don't work, and all needs the concentration that cupric ion reaches certain.
Usual employing has at present been carried out electrodialysis to lower concentration copper-containing wastewater (10 ~ 50mg/L) and has been concentrated.Carry out in self-control electrodialysis unit, the built-in anions and canons exchange membrane be alternately arranged of electrodialysis reactive tank, thus reactive tank is separated into room, cathode and anode pole, clear room and dense room.Cupric ion in waste water is concentrated by enrichment through ion-exchange membrane due to the effect of electrical forces.Need in this way to consume larger electric energy, it is also not too convenient to operate.
Utility model content
For above technology Problems existing, the utility model provides a kind of nanofiltration device processing lower concentration copper-containing wastewater, and this device is simple, workable, reaches again the object of energy-saving and emission-reduction simultaneously.
The utility model solves the technical scheme that its technical problem adopts: a kind of nanofiltration device processing lower concentration copper-containing wastewater, comprise force (forcing) pump 1, rough filtering device 2, nanofiltration device 3 and back-purge system 4, it is Y-tube that described force (forcing) pump 1 enters pump line, one end is liquid-inlet pipe 5, the other end is return line 13, described force (forcing) pump 1 outlet is connected with drain pipe 6, described drain pipe 6 is communicated with side bottom rough filtering device 2, be filter cloth 7 in the middle of described rough filtering device 2, slag-drip opening 8 is provided with bottom described rough filtering device 2, described rough filtering device 2 top is provided with coarse filtration drain pipe 9, described coarse filtration drain pipe 9 is communicated with nanofiltration device 3 side, nanofiltration membrane 10 is provided with in the middle of described nanofiltration device 3, described nanofiltration membrane 10 both sides are provided with nanofiltration membrane supporting network 11, the root of described nanofiltration membrane supporting network 11 is provided with standing bolt 12, described nanofiltration device 3 enter coarse filtration liquid side bottom side be provided with return line 13, described nanofiltration device 3 is entered coarse filtration liquid one side bottom and is provided with concentrated drain pipe 14, described nanofiltration device 3 water outlet side is provided with rising pipe 15, described nanofiltration device 3 is entered coarse filtration liquid one side roof part and is provided with tensimeter 16, described tensimeter 16 side is provided with manhole 17, described back-purge system 4 comprises flushing water inlet pipe 18, described flushing water inlet pipe 18 is connected with the import of wash-water pump 19, described wash-water pump 19 outlet is provided with and flushes out water pipe 20, the described water pipe 20 that flushes out is communicated with nanofiltration device 3 water outlet side.
Described liquid-inlet pipe 5, slag-drip opening 8, coarse filtration drain pipe 9, return line 13, concentrated drain pipe 14, rising pipe 15 and flush out on water pipe 20 and be provided with valve.
Described manhole 17 diameter is greater than the total width of both sides nanofiltration membrane supporting network 11.
Be V-shape bottom described rough filtering device 2.
Principle of the present utility model is, nanofiltration is a kind of pressure-driven membrane separating process between reverse osmosis and ultrafiltration, and the pore diameter range of nanofiltration membrane is at several ran.It can molecular weight cut-off organism and polyvalent ion of being greater than 100, allow small organic molecule and univalent ion through.Nanofiltration is used in the concentrated of lower concentration copper-containing wastewater, by lower concentration copper-containing wastewater through nanofiltration process, this characteristic not allowing divalence and above ion to pass through by nanofiltration membrane, can obtain the cupric ion of higher concentration, through repeatedly concentrating, can decrement greatly.Now by copper-containing wastewater coarse filtration, prevent solid particulate from blocking nanofiltration membrane, then enter in nanofiltration device, due to the pressure of force (forcing) pump, water is arranged outward through nanofiltration membrane, and cupric ion rests on the side of nanofiltration membrane, so repeatedly, and can high enrichment copper-containing wastewater.Simultaneously owing to being provided with back-purge system, after operation for some time, back flushing can be carried out to nanofiltration membrane.
The beneficial effects of the utility model are: simple, workable, reach again the object of energy-saving and emission-reduction simultaneously.
Accompanying drawing explanation
Accompanying drawing is structural representation of the present utility model.
Wherein: 1-force (forcing) pump, 2-rough filtering device, 3-nanofiltration device, 4-back-purge system, 5-liquid-inlet pipe, 13-return line, 6-drain pipe, 7-filter cloth, 8-slag-drip opening, 9-coarse filtration drain pipe, 10-nanofiltration membrane, 11-nanofiltration membrane supporting network, 12-standing bolt, 13-return line, 14-concentrates drain pipe, 15-rising pipe, 16-tensimeter, 17-manhole, 18-rinses water inlet pipe, and 19-wash-water pump, 20-flushes out water pipe.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
A kind of nanofiltration device processing lower concentration copper-containing wastewater, comprise force (forcing) pump 1, rough filtering device 2, nanofiltration device 3 and back-purge system 4, it is Y-tube that described force (forcing) pump 1 enters pump line, one end is liquid-inlet pipe 5, the other end is return line 13, described force (forcing) pump 1 outlet is connected with drain pipe 6, described drain pipe 6 is communicated with side bottom rough filtering device 2, be filter cloth 7 in the middle of described rough filtering device 2, slag-drip opening 8 is provided with bottom described rough filtering device 2, described rough filtering device 2 top is provided with coarse filtration drain pipe 9, described coarse filtration drain pipe 9 is communicated with nanofiltration device 3 side, nanofiltration membrane 10 is provided with in the middle of described nanofiltration device 3, described nanofiltration membrane 10 both sides are provided with nanofiltration membrane supporting network 11, the root of described nanofiltration membrane supporting network 11 is provided with standing bolt 12, described nanofiltration device 3 enter coarse filtration liquid side bottom side be provided with return line 13, described nanofiltration device 3 is entered coarse filtration liquid one side bottom and is provided with concentrated drain pipe 14, described nanofiltration device 3 water outlet side is provided with rising pipe 15, described nanofiltration device 3 is entered coarse filtration liquid one side roof part and is provided with tensimeter 16, described tensimeter 16 side is provided with manhole 17, described back-purge system 4 comprises flushing water inlet pipe 18, described flushing water inlet pipe 18 is connected with the import of wash-water pump 19, described wash-water pump 19 outlet is provided with and flushes out water pipe 20, the described water pipe 20 that flushes out is communicated with nanofiltration device 3 water outlet side.
Described liquid-inlet pipe 5, slag-drip opening 8, coarse filtration drain pipe 9, return line 13, concentrated drain pipe 14, rising pipe 15 and flush out on water pipe 20 and be provided with valve.
Described manhole 17 diameter is greater than the total width of both sides nanofiltration membrane supporting network 11.
Be V-shape bottom described rough filtering device 2.
Be embodied as, copper-containing wastewater entered in force (forcing) pump through liquid-inlet pipe, is then entered in rough filtering device by drain pipe.Copper-containing wastewater enters in nanofiltration device through filter cloth through coarse filtration drain pipe, and solid particulate is retained down by filter cloth and discharged by slag-drip opening, through the copper-containing wastewater of coarse filtration due to the pressure of force (forcing) pump, water molecules enters nanofiltration device opposite side through nanofiltration membrane and arranges outward, and the concentrated solution be retained down enters in nanofiltration device from force (forcing) pump when copper content is lower by return line again, when copper content is higher, discharges by concentrated drain pipe and do advanced treatment.When operation for some time, when manometric pressure is greater than a certain amount of, opens back-purge system, utilize back-purge system to be rinsed out by the tamper sticked on nanofiltration membrane and filter cloth.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on specification sheets, must determine its technical scope according to right.
Claims (4)
1. one kind processes the nanofiltration device of lower concentration copper-containing wastewater, comprise force (forcing) pump (1), rough filtering device (2), nanofiltration device (3) and back-purge system (4), it is characterized in that: it is Y-tube that described force (forcing) pump (1) enters pump line, one end is liquid-inlet pipe (5), the other end is return line (13), described force (forcing) pump (1) outlet is connected with drain pipe (6), described drain pipe (6) is communicated with rough filtering device (2) bottom side, be filter cloth (7) in the middle of described rough filtering device (2), described rough filtering device (2) bottom is provided with slag-drip opening (8), described rough filtering device (2) top is provided with coarse filtration drain pipe (9), described coarse filtration drain pipe (9) is communicated with nanofiltration device (3) side, nanofiltration membrane (10) is provided with in the middle of described nanofiltration device (3), described nanofiltration membrane (10) both sides are provided with nanofiltration membrane supporting network (11), the root of described nanofiltration membrane supporting network (11) is provided with standing bolt (12), described nanofiltration device (3) is entered side bottom coarse filtration liquid side and is provided with return line (13), described nanofiltration device (3) is entered coarse filtration liquid one side bottom and is provided with concentrated drain pipe (14), described nanofiltration device (3) water outlet side is provided with rising pipe (15), described nanofiltration device (3) is entered coarse filtration liquid one side roof part and is provided with tensimeter (16), described tensimeter (16) side is provided with manhole (17), described back-purge system (4) comprises flushing water inlet pipe (18), described flushing water inlet pipe (18) is connected with the import of wash-water pump (19), described wash-water pump (19) outlet is provided with and flushes out water pipe (20), the described water pipe (20) that flushes out is communicated with nanofiltration device (3) water outlet side.
2. a kind of nanofiltration device processing lower concentration copper-containing wastewater according to claim 1, is characterized in that: described liquid-inlet pipe (5), slag-drip opening (8), coarse filtration drain pipe (9), return line (13), concentrated drain pipe (14), rising pipe (15) and flush out on water pipe (20) and be provided with valve.
3. a kind of nanofiltration device processing lower concentration copper-containing wastewater according to claim 1, is characterized in that: described manhole (17) diameter is greater than the total width on both sides nanofiltration membrane supporting network (11).
4. a kind of nanofiltration device processing lower concentration copper-containing wastewater according to claim 1, is characterized in that: described rough filtering device (2) bottom is V-shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420848074.6U CN204384933U (en) | 2014-12-26 | 2014-12-26 | A kind of nanofiltration device processing lower concentration copper-containing wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420848074.6U CN204384933U (en) | 2014-12-26 | 2014-12-26 | A kind of nanofiltration device processing lower concentration copper-containing wastewater |
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| Publication Number | Publication Date |
|---|---|
| CN204384933U true CN204384933U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420848074.6U Expired - Fee Related CN204384933U (en) | 2014-12-26 | 2014-12-26 | A kind of nanofiltration device processing lower concentration copper-containing wastewater |
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| CN (1) | CN204384933U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114075003A (en) * | 2020-08-18 | 2022-02-22 | 中石化南京化工研究院有限公司 | Method for recycling copper and zinc in catalyst production wastewater |
-
2014
- 2014-12-26 CN CN201420848074.6U patent/CN204384933U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114075003A (en) * | 2020-08-18 | 2022-02-22 | 中石化南京化工研究院有限公司 | Method for recycling copper and zinc in catalyst production wastewater |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20191226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |