CN201737793U - Mixed electroplating waste water regenerating and recycling device - Google Patents
Mixed electroplating waste water regenerating and recycling device Download PDFInfo
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- CN201737793U CN201737793U CN2010202876455U CN201020287645U CN201737793U CN 201737793 U CN201737793 U CN 201737793U CN 2010202876455 U CN2010202876455 U CN 2010202876455U CN 201020287645 U CN201020287645 U CN 201020287645U CN 201737793 U CN201737793 U CN 201737793U
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Abstract
The utility model provides a mixed electroplating waste water regenerating and recycling device which belongs to the technical field of electroplating waste water treatment. The device mainly comprises the following components: an oxidized water tank (1), a reduced water tank (2), a reduced water pump (3), an inclined plate precipitator (4), a tee joint (5), a discharge pipe (6), an intermediate waste water tank (7), an intermediate water pump (8), a multi-medium filter (9), a precise filter (10), a high-pressure water pump (11), a first-segment nanofiltration film assembly (12), a supercharge pump (13), a reverse osmosis film assembly (14), a second-segment nanofiltration film assembly (15) and a recycled water tank (16). Furthermore the parts are connected through water pipes. The device of the utility model can be used for treating the mixed electroplating waste water which contains cyanogen, chromium and other heavy metal, etc. Not only can higher recycling rate and cost reduction realized, but also the energy consumption can be reduced.
Description
Technical field
The utility model relates to a kind of mixing electroplating wastewater regeneration device, belongs to the technical field of electroplating wastewater processing.
Background technology
Cyanide electroplating and chromium plating are to use very general plating kind.Wherein cyanide electroplating has technical maturity, is easy to management, coating knot product are careful, color and luster is attractive in appearance, plurality of advantages such as covering power and dispersive ability are good, be most widely used electroplating technology. but produce a large amount of cyanide wastewater in the cyanide electroplating process, have carcinogenic, teratogenesis or mutagenic highly toxic substance, to human and environmental hazard is very big; Chromium plating produces contains also bigger to the environment structure threat of hexavalent chromium wastewater.If it is can carry out regeneration, significant for the Sustainable development of environment protection and electroplating industry to this class waste water.
Chinese patent CN100413791C discloses the integrated membrane sepn utilization process of a kind of electroplating wastewater, CN101481157A discloses a kind of process for advanced treatment of electroplating waste by integrated membrane, CN1590322A discloses a kind of membrane separating method of electroplating wastewater processing zero release, these methods are to handle at the rinse water of single plating kind, are unsuitable for containing the processing that cyanogen contains chromium mixing electroplating wastewater.
Chinese patent CN101234828A has announced a kind of integrated electroplating treatment method for waste water, particularly with cyclically utilizing after the electroplating wastewater processing of comprehensive discharge and reclaim the technology of noble metal resource.A key of this waste water treatment process is that chromate waste water and cyanide wastewater need to handle respectively earlier, and then combination treatment, and restricted application is not suitable for the chromate waste water of a lot of medium and small electroplating enterprises and the occasion that cyanide wastewater does not have independent gathering system.
Chinese patent CN101318732B discloses a kind of technology that reclaims electroplating waste to prepare pure water, the electroplating wastewater that contains heavy metal ion is used pure water through producing after pre-treatment, nanofiltration and the reverse osmosis isolation successively, though it is better that this technology is produced water water quality, but invest bigger, the energy consumption height is not announced the treatment process of dense water.
Summary of the invention
Shortcoming at prior art, the technical problems to be solved in the utility model provides mixes electroplating wastewater regeneration device, this device can be handled and contain cyanogen and contain chromium and other heavy metal etc. and mix electroplating wastewater, and can realize higher reclamation rate and reduce energy consumption.
The technical scheme in the invention for solving the technical problem is: mix electroplating wastewater regeneration device, mainly comprise the oxidation water tank, the reduction water tank, the reduction water pump, tilted plate separator, threeway, delivery pipe, middle waste water tank, middle water pump, more medium filter, accurate filter, high-pressure hydraulic pump, 1 section nanofiltration membrane component, topping-up pump, reverse osmosis membrane assembly, 2 sections nanofiltration membrane components and reuse water tank, wherein, the rising pipe of oxidation water tank is connected with the water inlet pipe of reduction water tank, the rising pipe of reduction water tank links to each other with the water inlet pipe of reduction water pump, the rising pipe of reduction water pump links to each other with the water-in of tilted plate separator, the water outlet of tilted plate separator links to each other with threeway, the other two-way of threeway links to each other with middle waste water tank with delivery pipe respectively, the rising pipe of middle waste water tank links to each other with the water inlet pipe of middle water pump, the rising pipe of middle water pump links to each other with the water inlet pipe of more medium filter, the rising pipe of more medium filter is connected with the water-in of accurate filter, the water outlet of accurate filter is connected with the water-in of high-pressure hydraulic pump, the water outlet of high-pressure hydraulic pump is connected with the water inlet pipe of 1 section nanofiltration membrane component, the total dense water pipe of 1 section nanofiltration membrane component links to each other with the water inlet pipe of topping-up pump, the rising pipe of topping-up pump is connected with the water inlet pipe of reverse osmosis membrane assembly, the filtration water pipe of 1 section nanofiltration membrane component is connected with the filtration water pipe of reverse osmosis membrane assembly, and link to each other with the water inlet pipe of reuse water tank, the total dense water pipe of reverse osmosis membrane assembly is connected with the water inlet pipe of 2 sections nanofiltration membrane components, the total dense water pipe of 2 sections nanofiltration membrane components is connected with the oxidation water tank, and the filtration water pipe of 2 sections nanofiltration membrane components links to each other with middle waste water tank.
Wherein, nanofiltration membrane in 1 section nanofiltration membrane component is a bear electricity rolling nanofiltration membrane, molecular weight cut-off is 100 ~ 150, the requirement of its separation performance is: in NaCl concentration is 2000mg/L, temperature is 25 ℃, operating pressure 0.48 MPa (Mpa) and the rate of recovery are that the transmitance of NaCl is less than 5 ~ 15% under 15% the condition; Reverse osmosis membrane in the reverse osmosis membrane assembly is the rolling pollution-resistant membrane, and the requirement of its separation performance is: in NaCl concentration is 2000mg/L, and temperature is 25 ℃, and the operating pressure 1.0Mpa and the rate of recovery are under 15% the condition, the transmitance of NaCl＜1%; 2 sections used nanofiltration membrane of nanofiltration membrane component are bear electricity rolling nanofiltration membrane, molecular weight cut-off is 300 ~ 600, and the requirement of its separation performance is: in MgSO4 concentration is 2000mg/L, and temperature is 25 ℃, the operating pressure 0.48Mpa and the rate of recovery are under 15% the condition, the transmitance of MgSO4＜3%; The bore dia of the filter core of accurate filter≤5 micron.
And with delivery pipe that threeway links to each other on, the valve of under meter and dominant discharge is housed; The valve of under meter, conductivitimeter and dominant discharge also all is housed on the water inlet water pipe of 1 section nanofiltration membrane component, reverse osmosis membrane assembly and 2 sections nanofiltration membrane components and the filtration water pipe.
Regeneration device of the present utility model has following beneficial effect: (1) can be used for handling and contains cyanogen and contain chromium and other heavy metal etc. and mix electroplating wastewater, can realize higher reclamation rate; (2) 2 sections dense water of nanofiltration finally return oxidation water tank circular treatment, and, both simplified dense water technology from tilted plate separator discharge unit waste water up to standard, solved the accumulation problem of salinity in system again, guarantee the stability of nanofiltration reverse osmosis operation, also reduced processing cost; (3) appropriate design by nanofiltration and reverse osmosis, make that the liquid that sees through that sees through liquid and reverse osmosis of 1 section nanofiltration all can direct reuse, the required working pressure of reverse osmosis has made full use of the overbottom pressure of 1 section dense water of nanofiltration, make that topping-up pump power is less, and 2 sections nanofiltrations utilize the overbottom pressure of reverse osmosis concentrated water fully, need not set up water pump, have than obvious energy-saving effect.
Description of drawings
Fig. 1 is the overall structure synoptic diagram of the utility model mixing electroplating wastewater regeneration device.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further details.
As shown in Figure 1, mixing electroplating wastewater regeneration device mainly comprises: oxidation water tank 1, reduction water tank 2, reduction water pump 3, tilted plate separator 4, threeway 5, delivery pipe 6, middle waste water tank 7, middle water pump 8, more medium filter 9, accurate filter 10,11,1 section nanofiltration membrane component 12 of high-pressure hydraulic pump, topping-up pump 13,14,2 sections nanofiltration membrane components 15 of reverse osmosis membrane assembly and reuse water tank 16.Wherein nanofiltration membrane 12 is the NF90 type rolling nanofiltration membrane of bear electricity,, reverse osmosis membrane 14 is the BW30-365FR pollution-resistant membrane, and nanofiltration membrane 15 is the NF270 type rolling nanofiltration membrane of bear electricity, and the bore dia of the filter core of accurate filter 10 is 5 microns.
The mode of connection of various piece is as follows in the device: the rising pipe of oxidation water tank 1 is connected with the water inlet pipe of reduction water tank 2, the rising pipe of reduction water tank 2 links to each other with the water inlet pipe of reduction water pump 3, the rising pipe of reduction water pump 3 links to each other with the water-in of tilted plate separator 4, the water outlet of tilted plate separator 4 links to each other with threeway 5, the other two-way of threeway 5 links to each other with middle waste water tank 7 with delivery pipe 6 respectively, the rising pipe of middle waste water tank 7 links to each other with the water inlet pipe of middle water pump 8, the rising pipe of middle water pump 8 links to each other with the water inlet pipe of more medium filter 9, the rising pipe of more medium filter 9 is connected with the water-in of accurate filter 10, the water outlet of accurate filter 10 is connected with the water-in of high-pressure hydraulic pump 11, the water outlet of high-pressure hydraulic pump 11 is connected with the water inlet pipe of 1 section nanofiltration membrane component 12, the total dense water pipe of 1 section nanofiltration membrane component 12 links to each other with the water inlet pipe of topping-up pump 13, the rising pipe of topping-up pump 13 is connected with the water inlet pipe of reverse osmosis membrane assembly 14, the filtration water pipe of 1 section nanofiltration membrane component 12 is connected with the filtration water pipe of reverse osmosis membrane assembly 14, and link to each other with the water inlet pipe of reuse water tank 16, the total dense water pipe of reverse osmosis membrane assembly 14 is connected with the water inlet pipe of 2 sections nanofiltration membrane components 15, the total dense water pipe of 2 sections nanofiltration membrane components 15 is connected with oxidation water tank 1, and the filtration water pipe of 2 sections nanofiltration membrane components 15 links to each other with middle waste water tank 7.Wherein, the valve of under meter (F) and dominant discharge is housed on the delivery pipe 6, the valve (not shown) of under meter, conductivitimeter and dominant discharge is all arranged on the water inlet of 1 section nanofiltration, reverse osmosis and 2 sections nanofiltrations and the filtration water pipe.
Device of the present utility model can directly be amplified on the engineering of all kinds of scales and use.
Claims (6)
1. mix electroplating wastewater regeneration device, it is characterized in that: described device mainly comprises oxidation water tank (1), reduction water tank (2), reduction water pump (3), tilted plate separator (4), threeway (5), delivery pipe (6), middle waste water tank (7), middle water pump (8), more medium filter (9), accurate filter (10), high-pressure hydraulic pump (11), 1 section nanofiltration membrane component (12), topping-up pump (13), reverse osmosis membrane assembly (14), 2 sections nanofiltration membrane components (15), and reuse water tank (16), the rising pipe of described oxidation water tank (1) is connected with the water inlet pipe of reduction water tank (2), the rising pipe of described reduction water tank (2) links to each other with the water inlet pipe of reduction water pump (3), the rising pipe of described reduction water pump (3) links to each other with the water-in of tilted plate separator (4), the water outlet of described tilted plate separator (4) links to each other with threeway (5), the other two-way of described threeway (5) links to each other with middle waste water tank (7) with delivery pipe (6) respectively, the rising pipe of waste water tank (7) links to each other with the water inlet pipe of middle water pump (8) in the middle of described, the rising pipe of water pump (8) links to each other with the water inlet pipe of more medium filter (9) in the middle of described, the rising pipe of described more medium filter (9) is connected with the water-in of accurate filter (10), the water outlet of described accurate filter (10) is connected with the water-in of high-pressure hydraulic pump (11), the water outlet of described high-pressure hydraulic pump (11) is connected with the water inlet pipe of 1 section nanofiltration membrane component (12), the total dense water pipe of described 1 section nanofiltration membrane component (12) links to each other with the water inlet pipe of topping-up pump (13), the rising pipe of described topping-up pump (13) is connected with the water inlet pipe of reverse osmosis membrane assembly (14), the filtration water pipe of described 1 section nanofiltration membrane component (12) is connected with the filtration water pipe of reverse osmosis membrane assembly (14), and link to each other with the water inlet pipe of described reuse water tank (16), the total dense water pipe of described reverse osmosis membrane assembly (14) is connected with the water inlet pipe of 2 sections nanofiltration membrane components (15), the total dense water pipe of described 2 sections nanofiltration membrane components (15) is connected with oxidation water tank (1), and the filtration water pipe of described 2 sections nanofiltration membrane components (15) links to each other with middle waste water tank (7).
2. mixing electroplating wastewater regeneration device according to claim 1 is characterized in that: bore dia≤5 of the filter core of described accurate filter (10) micron.
3. mixing electroplating wastewater regeneration device according to claim 1, it is characterized in that: the nanofiltration membrane in described 1 section nanofiltration membrane component (12) is a bear electricity rolling nanofiltration membrane, molecular weight cut-off is that the requirement of 100～150 its separation performancies is: in NaCl concentration is 2000mg/L, temperature is 25 ℃, the operating pressure 0.48Mpa and the rate of recovery are that the transmitance of NaCl is less than 5～15% under 15% the condition.
4. mixing electroplating wastewater regeneration device according to claim 3, it is characterized in that: the reverse osmosis membrane in the described reverse osmosis membrane assembly (14) is the rolling pollution-resistant membrane, the requirement of its separation performance is: in NaCl concentration is 2000mg/L, temperature is 25 ℃, the operating pressure 1.0Mpa and the rate of recovery are under 15% the condition, the transmitance of NaCl＜1%.
5. according to the described mixing electroplating wastewater of one of claim 1 to 4 regeneration device, it is characterized in that: the nanofiltration membrane in described 2 sections nanofiltration membrane components (15) is a bear electricity rolling nanofiltration membrane, molecular weight cut-off is 300～600, the requirement of its separation performance is: in MgSO4 concentration is 2000mg/L, temperature is 25 ℃, the operating pressure 0.48Mpa and the rate of recovery are under 15% the condition, the transmitance of MgSO4＜3%.
6. mixing electroplating wastewater regeneration device according to claim 5, it is characterized in that: described delivery pipe is equipped with under meter and valve on (6), and on the water inlet water pipe of described 1 section nanofiltration membrane component (12), reverse osmosis membrane assembly (14) and 2 sections nanofiltration membrane components (15) and the filtration water pipe under meter, conductivitimeter and valve is housed all.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202876455U CN201737793U (en) | 2010-08-11 | 2010-08-11 | Mixed electroplating waste water regenerating and recycling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202876455U CN201737793U (en) | 2010-08-11 | 2010-08-11 | Mixed electroplating waste water regenerating and recycling device |
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| Publication Number | Publication Date |
|---|---|
| CN201737793U true CN201737793U (en) | 2011-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202876455U Expired - Fee Related CN201737793U (en) | 2010-08-11 | 2010-08-11 | Mixed electroplating waste water regenerating and recycling device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358644A (en) * | 2011-06-28 | 2012-02-22 | 中南大学 | Membrane treatment process for heavy metal waste water generated during PCB production process |
| CN106698720A (en) * | 2016-12-30 | 2017-05-24 | 成都美富特膜科技有限公司 | Treatment method of high-complex wastewater |
-
2010
- 2010-08-11 CN CN2010202876455U patent/CN201737793U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102358644A (en) * | 2011-06-28 | 2012-02-22 | 中南大学 | Membrane treatment process for heavy metal waste water generated during PCB production process |
| CN106698720A (en) * | 2016-12-30 | 2017-05-24 | 成都美富特膜科技有限公司 | Treatment method of high-complex wastewater |
| CN106698720B (en) * | 2016-12-30 | 2020-11-10 | 成都美富特环保产业集团有限公司 | Method for treating high complex wastewater |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110209 Termination date: 20130811 |