CN206476821U - A kind of electroplate rinsing wastewater reclaims Zero discharging system - Google Patents
A kind of electroplate rinsing wastewater reclaims Zero discharging system Download PDFInfo
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- CN206476821U CN206476821U CN201621453947.9U CN201621453947U CN206476821U CN 206476821 U CN206476821 U CN 206476821U CN 201621453947 U CN201621453947 U CN 201621453947U CN 206476821 U CN206476821 U CN 206476821U
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Abstract
Zero discharging system, including raw water box, treating nature water system, ultrafiltration water tank, reverse osmosis treatment system, concentration water tank, DTRO systems are reclaimed the utility model discloses a kind of electroplate rinsing wastewater；Treating nature water system includes quartz filter, active carbon filter, the first cartridge filter and the ultrafiltration apparatus being sequentially connected；Reverse osmosis treatment system includes reverse osmosis unit and pure water tank；DTRO systems include the second cartridge filter and DTRO devices being sequentially connected.The utility model floor space is small, handles electroplate rinsing wastewater by counter-infiltration system, alleviates the processing pressure of DTRO devices, improves the waste strength into DTRO devices.The fresh water that the processing of DTRO systems is obtained carries out reverse-osmosis treated again, the consumption of water resource is greatly reduced, DTRO concentrates reenter DTRO system repeatedly concentrating and separatings, obtain hyper-concentration liquid and are back in electroplating bath, realize the online reuse zero-emission of electroplate rinsing wastewater.
Description
Technical field
The utility model belongs to industrial waste water treatment, is related to a kind of electroplate rinsing wastewater and reclaims zero-emission system
System.
Background technology
Plating can be decorated and protected to metal, nonmetallic surface as a kind of process for treating surface.In plating
Substantial amounts of waste water can be produced in production process, these waste water contain substantial amounts of heavy metal ion, cyanide, to human body, environment
Harm is very big.In addition, the higher precious metal of most electroplating assembly line use value or other heavy metals for example gold, silver, copper,
Nickel, chromium etc., if handling these waste water using traditional chemical precipitation method, it usually needs a large amount of chemical agents, while causing weight
The waste of metals resources.
At present, membrane technology is widely used in electroplating wastewater processing field, but is handled using this kind of membrane technology
Obtained dope, because cycles of concentration is relatively low, concentrate concentration is only less than the 40% of bath solution concentration, it is impossible to direct reuse
Into electroplating bath.Simultaneously as concentrate cycles of concentration is relatively low, causes the dope produced constantly accumulation and nowhere deposit.In addition,
It is that current electroplating zero-discharge equipment is present another problem is that film blockage problem, causes film device operating pressure constantly to increase,
Aquifer yield is greatly reduced, cycles of concentration reduction.
Utility model content
The purpose of this utility model is for existing electroplating zero-discharge system concentration rate is low, film device is easily blocked, gone out
The shortcomings of water is small is used for electroplate rinsing wastewater there is provided one kind and reclaims Zero discharging system, utilizes reverse osmosis membrane technology and dish pipe
The PROCESS FOR TREATMENT electroplate rinsing wastewater that formula reverse osmosis membrane technology is combined, at elevated pressures, is carried out dense to electroplate rinsing wastewater
Division is from, the pure water reuse that reverse osmosis separation is obtained to electroplating assembly line, and concentrated water constantly flows back concentration, is concentrated into repeatedly certain
After concentration, reuse is into bath solution, so as to realize the zero-emission of electroplate rinsing wastewater.
The technical scheme that the utility model is used is：
A kind of electroplate rinsing wastewater reclaims Zero discharging system, including：Raw water box 1, treating nature water system, ultrafiltration water tank 7,
Reverse osmosis treatment system, concentration water tank 11, DTRO (disc tube reverse osmosis (dt-ro) film) system；The treating nature water system is included successively
Connected quartz filter 3, active carbon filter 4, the first cartridge filter 5, ultrafiltration apparatus 6；The reverse-osmosis treated system
System includes reverse osmosis unit 9 and pure water tank 10；The DTRO systems include the second cartridge filter 13 and DTRO being sequentially connected
Device 14；The entrance of the raw water box 1 is connected with electroplate rinsing groove 17, the outlet of raw water box 1 and the import of quartz filter 3
It is connected, the concentrated water outlet of the ultrafiltration apparatus 6 is connected with another import of raw water box 1, the water outlet of ultrafiltration apparatus 6 and ultrafiltration
Water tank 7 is connected；The delivery port of the ultrafiltration water tank 7 is connected with the water inlet of reverse osmosis unit 9, and the dope of reverse osmosis unit 9 goes out
Mouth is connected with concentration water tank 11, and the pure water outlet of reverse osmosis unit 9 is connected with pure water tank 10, pure water tank 10 and electroplate rinsing groove 17
It is connected；The second cartridge filter of outlet 13 of the concentration water tank 11 is connected with the entrance of DTRO devices 14, DTRO devices 14
Dope outlet with concentrate water tank 11 be connected, the water outlet of DTRO devices 14 is connected with ultrafiltration water tank 7；In concentration water tank 11
Export pipeline is connected provided with branch road with the entrance of electroplating bath 15.
It is preferred that, the electroplate rinsing wastewater, which reclaims Zero discharging system, also includes raw water pump 2, and the raw water pump 2 is located at original
On the connecting line of water tank 1 and quartz filter 3.
It is preferred that, the electroplate rinsing wastewater, which reclaims Zero discharging system, also includes high-pressure pump 8, and first high-pressure pump 8 is set
On the connecting line of ultrafiltration water tank 7 and reverse osmosis unit 9.
It is preferred that, the electroplate rinsing wastewater, which reclaims Zero discharging system, also includes concentration high-pressure pump 12, the concentration high pressure
Pump 12 is located on the connecting line of concentration water tank 11 and DTRO systems.
On connecting line of the concentration water tank 11 with DTRO systems, the connecting line of concentration water tank 11 and electroplating bath 15
On be respectively equipped with control valve.
It is preferred that, the electroplate rinsing wastewater, which reclaims Zero discharging system, also includes pure water pump 16, and the pure water pump 16 is located at
On the connecting line of the pure water tank 10 and electroplate rinsing groove 17.
It is preferred that, the cartridge filter 13 of the first cartridge filter 5 and second is the cartridge filter that filter opening is 5 μm.
The reverse osmosis membrane of the reverse osmosis unit 9 is using the serial polyamide composite films of BW30；The DTRO devices 14 are used
Tao Shi series polyamide composite films.
A control is respectively equipped with the ultrafiltration apparatus 6, the entrance pipe of the cartridge filter 13 of reverse osmosis unit 9 and second
To valve.
When using：Electroplate rinsing wastewater in electroplate rinsing groove 17 is entered in raw water box 1 by overflow, in raw water box 1
Electroplate rinsing wastewater is pumped into quartz filter 3 by raw water pump 2 and filtered, then is filtered by active carbon filter 4, has to remove
Machine thing, then refined filtration is carried out by 5 μm of first cartridge filter 5, thus filter out the organic matter in electroplate rinsing wastewater, impurity etc. into
Point, it is to avoid the fouling membrane and blocking of ultrafiltration apparatus 6 and reverse osmosis treatment system, waste water pump is then entered into ultrafiltration apparatus 6, by super
Filter device 6 handle ultrafiltration concentrated water be back to mixed in raw water box 1 with electroplate rinsing wastewater after pre-processed again, ultrafiltration is light
Water enters in ultrafiltration water tank 7.Waste water in ultrafiltration water tank 7 in the injection reverse osmosis unit 9 of high-pressure pump 8 by carrying out counter-infiltration point
From obtaining reverse osmose pure-water and counter-infiltration dope；Wherein, reverse osmose pure-water is discharged into pure water tank 10, then is entered by pure water pump 16
Enter in reuse in electroplate rinsing groove 17, counter-infiltration dope injection concentration water tank 11,5 μm of second guarantor is pumped into by concentrating high-pressure pump 12
Filtered in peace filter 13, horizontal high voltage reverse osmosis separation, the pressure limit of DTRO devices are entered subsequently into DTRO devices 14
For 7.5~16MPa, under high pressure effect, moisture is separated with salinity, respectively obtains fresh water and high pressure reverse osmosis concentration
Liquid, the ultrafiltration mixing of fresh water that fresh water enters in ultrafiltration water tank 7 with process pretreatment carries out follow-up reverse osmosis separation, high pressure reverse osmosis again
Saturating concentrate is back to mix with reverse osmosis concentrated liquid in concentration water tank 11 passes through the second cartridge filter 13, DTRO devices again
14, enter horizontal high voltage reverse osmosis concentration circular treatment, until 30~60% hyper-concentration liquid that concentration is bath solution concentration is obtained,
It is supplemented in electroplating bath 15.
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model electroplating wastewater recovery Zero discharging system is simple in construction, and floor space is small, and the construction period is short, debugging
Rapid with starting, automaticity is high, and operation operation is easy.
2nd, the utility model electroplating wastewater reclaims Zero discharging system and uses conventional reverse osmosis processing system and high pressure DTRO systems
Unite the technique that is combined, electroplating wastewater handled by counter-infiltration system, the treating capacity of DTRO devices is reduced, and improve into
Enter the waste strength of DTRO devices.Reverse osmosis concentrated liquid is handled using DTRO systems, then the processing of DTRO systems is obtained
Fresh water feeding ultrafiltration water tank carry out low pressure reverse osmosis processing again, the consumption of water resource, high pressure reverse osmosis concentration is greatly reduced
Liquid reenters DTRO system repeatedly concentrating and separatings, and most the hyper-concentration liquid through concentrating repeatedly can direct reuse electroplating bath afterwards.Using
DTRO systems handle electroplating wastewater, and Water Sproading rate is not less than 90%, electroplate rinsing wastewater can be concentrated into higher concentration, directly returned
For electroplating bath, the waste of heavy metal resources is reduced.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model electroplating wastewater reclaims Zero discharging system.
In Fig. 1,1- raw water boxs, 2- raw water pumps, 3- quartz filters, 4- active carbon filters, the security personnel's filterings of 5- first
Device, 6- ultrafiltration apparatus, 7- ultrafiltration water tanks, 8- high-pressure pumps, 9- reverse osmosis units, 10- pure water tanks, 11- concentration water tanks, 12- concentrations
High-pressure pump, the cartridge filters of 13- second, 14-DTRO devices, 15- electroplating baths, 16- pure water pumps, 17- electroplate rinsing grooves.
Embodiment
The technical scheme of this patent is described further with reference to embodiment.
As shown in figure 1, a kind of electroplating wastewater zero reclaims Zero discharging system, including：It is raw water box 1, treating nature water system, super
Water filtering tank 7, reverse osmosis treatment system, concentration water tank 11, DTRO (disc tube reverse osmosis (dt-ro) film) system, electroplating bath 15；The raw water
Pretreatment system includes quartz filter 3, active carbon filter 4, the first cartridge filter 5 and the ultrafiltration apparatus being sequentially connected
6；The reverse osmosis treatment system includes reverse osmosis unit 9 and pure water tank 10；The DTRO systems include second be sequentially connected
Cartridge filter 13 and DTRO devices 14.
The entrance of the raw water box 1 is connected with electroplate rinsing groove 17, and the outlet of raw water box 1 is through raw water pump 2 and quartz sand mistake
The import of filter 3 is connected；The concentrated water outlet of the ultrafiltration apparatus 6 is connected with raw water box 1 makes ultrafiltration concentrated water and raw material electroplate rinsing
Waste water is mixed, and the water outlet of ultrafiltration apparatus 6 is connected with ultrafiltration water tank 7；The delivery port of the ultrafiltration water tank 7 through high-pressure pump 8 with
Reverse osmosis unit 9 water inlet connection, reverse osmosis unit 9 dope outlet with concentrate water tank 11 is connected, reverse osmosis unit 9 it is pure
Water out is connected with pure water tank 10, and pure water tank 10 is connected through pure water pump 16 with electroplate rinsing groove 17；It is described to concentrate going out for water tank 11
Entrance, the entrance of electroplating bath 15 of pipeline of the mouth through parallel connection respectively with DTRO systems are connected, in concentration water tank 11 and DTRO systems
Connecting line provided with concentration high-pressure pump 12, and on the connecting line of concentration water tank 11 and the DTRO systems, condensed water
Case 11 on the connecting line of electroplating bath 15 with being respectively equipped with control valve；The concentrated solution outlet of DTRO devices 14 and the concentration phase of water tank 11
Even, the water outlet of DTRO devices 14 is connected with ultrafiltration water tank 7 makes fresh water with passing through the ultrafiltration mixing of fresh water that pretreatment is obtained.
The reverse osmosis membrane of the reverse osmosis unit 9 is using the serial polyamide composite films of BW30；The DTRO devices 14 are used
Tao Shi series polyamide composite films.
First cartridge filter 5, the second cartridge filter 13 are the cartridge filter that filter opening is 5 μm.
The reverse osmosis membrane of the reverse osmosis unit 9 is using the serial polyamide composite films of BW30；The DTRO devices 14 are used
Tao Shi series polyamide composite films.
A control is respectively equipped with the ultrafiltration apparatus 6, the entrance pipe of the cartridge filter 13 of reverse osmosis unit 9 and second
To valve.
When using：Electroplate rinsing wastewater in electroplate rinsing groove 17 is entered in raw water box 1 by overflow, in raw water box 1
Electroplate rinsing wastewater is filtered by raw water pump 2 into quartz filter 3, then by being filtered in active carbon filter 4, to remove
Organic matter, then refined filtration is carried out by 5 μm of first cartridge filter 5, raw water passes through quartz filter 3 and active carbon filter 4
And first the effect of cartridge filter 5 be to filter out the compositions such as organic matter, impurity in waste water, it is to avoid ultrafiltration apparatus 6 and counter-infiltration
The fouling membrane of system and blocking.Waste water is passed through ultrafiltration apparatus 6 again, the ultrafiltration concentrated water handled by ultrafiltration apparatus 6 is back to original
Mix and pre-processed again with raw material electroplate rinsing wastewater in water tank 1, ultrafiltration fresh water enters in ultrafiltration water tank 7.Ultrafiltration water tank 7
In waste water by high-pressure pump 8 injection reverse osmosis unit 9 in carry out reverse osmosis separation, the operating pressure of reverse osmosis unit 9 exists
Between 0.8-1.5MPa, reverse osmosis freshwater and reverse osmosis concentrated liquid are obtained；Wherein, reverse osmosis freshwater is discharged into pure water tank 10, then
It is pumped into through pure water pump 16 in the reuse of electroplate rinsing groove 17, reverse osmosis concentrated liquid injection concentration water tank 11, by concentrating high-pressure pump 12
It is pumped into 5 μm of second cartridge filter 13 to be filtered, horizontal high voltage reverse osmosis separation, DTRO devices is entered subsequently into DTRO devices 14
Operating pressure be 7.5~16MPa, high pressure effect under, moisture is separated with salinity, respectively obtains fresh water anti-with high pressure
Osmosis concentration liquid, the ultrafiltration mixing of fresh water that fresh water enters in ultrafiltration water tank 7 with process pretreatment carries out follow-up low pressure reverse osmosis again
Separation, high pressure reverse osmosis concentrated liquid enters to mix with reverse osmosis concentrated liquid in concentration water tank 11 passes through the second cartridge filter again
13rd, DTRO devices 14, enter horizontal high voltage reverse osmosis concentration circular treatment, until obtaining 30~50% that concentration is bath solution concentration
Hyper-concentration liquid, hyper-concentration liquid is supplemented in electroplating bath 15.
Reclaiming Zero discharging system by the utility model electroplating wastewater zero realizes wastewater treatment, and Water Sproading rate is not less than
90%, the consumption of water resource is significantly reduced, while realizing electroplating effluent zero-emission, the waste of heavy metal resources is reduced.
Described above, embodiment only of the present utility model, protection domain of the present utility model is not limited in
This, according to the difference of specific embodiment, the utility model is had in embodiment and application in place of appropriate change, comprehensive
Upper described, this specification content should not be construed as to limitation of the present utility model.
Claims (9)
1. a kind of electroplate rinsing wastewater reclaims Zero discharging system, it is characterised in that including：It is raw water box, treating nature water system, super
Water filtering tank, reverse osmosis treatment system, concentration water tank, DTRO systems；The treating nature water system includes the quartz being sequentially connected
Sand filter, active carbon filter, the first cartridge filter and ultrafiltration apparatus；The reverse osmosis treatment system is filled including counter-infiltration
Put and pure water tank；The DTRO systems include the second cartridge filter and DTRO devices being sequentially connected；The raw water box enters
Mouth is connected with electroplate rinsing groove, and the outlet of raw water box is connected with the import of quartz filter, and the concentrated water of the ultrafiltration apparatus goes out
Mouth is connected with another import of raw water box, and the water outlet of ultrafiltration apparatus is connected with ultrafiltration water tank；The delivery port of the ultrafiltration water tank
It is connected with the water inlet of reverse osmosis unit, the dope outlet of reverse osmosis unit is connected with concentration water tank, the fresh water of reverse osmosis unit
Outlet is connected with pure water tank, and pure water tank is connected with electroplate rinsing groove；It is described concentration water tank the cartridge filter of outlet second with
The entrance of DTRO devices is connected, and the dope outlet of DTRO devices is connected with concentration water tank, the water outlet of DTRO devices and ultrafiltration
Water tank is connected；It is connected on the export pipeline of concentration water tank provided with branch road with the entrance of electroplating bath.
2. electroplate rinsing wastewater according to claim 1 reclaims Zero discharging system, it is characterised in that the electroplate rinsing gives up
Water Sproading Zero discharging system also includes raw water pump, and the raw water pump is located on the connecting line of raw water box and quartz filter.
3. electroplate rinsing wastewater according to claim 1 reclaims Zero discharging system, it is characterised in that the electroplate rinsing gives up
Water Sproading Zero discharging system also includes high-pressure pump, and the high-pressure pump is located on the connecting line of ultrafiltration water tank and reverse osmosis unit.
4. electroplate rinsing wastewater according to claim 1 reclaims Zero discharging system, it is characterised in that the electroplate rinsing gives up
Water Sproading Zero discharging system also includes concentration high-pressure pump, and the concentration high-pressure pump is located at concentration water tank and the connecting tube of DTRO systems
Lu Shang.
5. electroplate rinsing wastewater according to claim 1 reclaims Zero discharging system, it is characterised in that in the concentration water tank
With on the connecting line of DTRO systems, concentration water tank and electroplating bath connecting line on be respectively equipped with control valve.
6. electroplate rinsing wastewater according to claim 1 reclaims Zero discharging system, it is characterised in that the electroplate rinsing gives up
Water Sproading Zero discharging system also includes pure water pump, and the pure water pump is located at the connecting line of the pure water tank and electroplate rinsing groove
On.
7. electroplate rinsing wastewater according to claim 1 reclaims Zero discharging system, it is characterised in that the first cartridge filter
It is the cartridge filter that filter opening is 5 μm with the second cartridge filter.
8. electroplate rinsing wastewater according to claim 1 reclaims Zero discharging system, it is characterised in that the reverse osmosis unit
Reverse osmosis membrane using the serial polyamide composite films of BW30；The reverse osmosis membrane of the DTRO devices is answered using the serial polyamide of Tao Shi
Close film.
9. electroplate rinsing wastewater according to claim 1 reclaims Zero discharging system, it is characterised in that the ultrafiltration apparatus, anti-
A control valve is respectively equipped with the entrance pipe of permeability apparatus and the second cartridge filter.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621453947.9U CN206476821U (en) | 2016-12-28 | 2016-12-28 | A kind of electroplate rinsing wastewater reclaims Zero discharging system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621453947.9U CN206476821U (en) | 2016-12-28 | 2016-12-28 | A kind of electroplate rinsing wastewater reclaims Zero discharging system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108249604A (en) * | 2016-12-28 | 2018-07-06 | 南京源泉环保科技股份有限公司 | A kind of method and system for the online reuse zero-emission of electroplate rinsing wastewater |
| CN108793463A (en) * | 2018-06-12 | 2018-11-13 | 合肥丰洁生物科技有限公司 | A kind of electroplating wastewater film condensing device |
| CN113012843A (en) * | 2021-03-11 | 2021-06-22 | 莱特莱德(上海)技术有限公司 | System and method for treating radioactive wastewater |
-
2016
- 2016-12-28 CN CN201621453947.9U patent/CN206476821U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108249604A (en) * | 2016-12-28 | 2018-07-06 | 南京源泉环保科技股份有限公司 | A kind of method and system for the online reuse zero-emission of electroplate rinsing wastewater |
| CN108793463A (en) * | 2018-06-12 | 2018-11-13 | 合肥丰洁生物科技有限公司 | A kind of electroplating wastewater film condensing device |
| CN113012843A (en) * | 2021-03-11 | 2021-06-22 | 莱特莱德(上海)技术有限公司 | System and method for treating radioactive wastewater |
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