CN204080170U - A kind of electroplate rinsing wastewater process and circulation recycle system - Google Patents
A kind of electroplate rinsing wastewater process and circulation recycle system Download PDFInfo
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- CN204080170U CN204080170U CN201420550985.0U CN201420550985U CN204080170U CN 204080170 U CN204080170 U CN 204080170U CN 201420550985 U CN201420550985 U CN 201420550985U CN 204080170 U CN204080170 U CN 204080170U
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Abstract
The utility model provides a kind of electroplate rinsing wastewater process and circulation recycle system, belong to electroplating wastewater apparatus field, it comprises a plating tank, the rinse tank more than one-level be communicated with step by step, also comprise raw water box, more medium filter, cartridge filter and nanofiltration membrane separation device, the water-in of described raw water box is connected by pipeline with first step rinse tank, the water outlet of raw water box is connected with more medium filter in turn by pipeline, cartridge filter and nanofiltration membrane separation device, pipeline between described cartridge filter and nanofiltration membrane separation device is also provided with high-pressure pump, the water-in of described plating tank is connected by pipeline with the bottom water outlet of nanofiltration membrane separation device.The utility model reaches zero release, avoids causing secondary pollution, not only saves a large amount of rinse water cost, by the heavy metal concentrated solution reuse of generation to plating tank, embodies the theory of green processes.
Description
Technical field
The utility model relates to a kind of device processing electroplating wastewater, specifically a kind of electroplate rinsing wastewater process and circulation recycle system.
Background technology
Plating is exactly utilize electrolysis principle at metal or other plated surface last layer metal or alloy, to realize the raising of material property.
Electroplating wastewater is the waste water that electroplating facility is discharged.Electroplating industry is highly versatile industrially, use wide, nearly all industrial sector Dou You Electroplate Factory (workshop), but because of the complicated component of electroplating wastewater, the various heavy metal ion hazardness such as common chromium, copper, nickel, zinc, tin, lead, cadmium and iron are larger, be listed in one of the current whole world three large contaminated industries, not only cause serious harm to environmental ecology, harm humans is healthy more.
At present, the working process of conventional electroplating waste processing equipment generally has five steps: the first step, and pre-treatment waste water enters pre-treatment settling bath, and adjust ph precipitates to 9-9.5; Second step, pretreated pre-treatment waste water enters mixing tank with four class processing wastewaters and fully mixes, without the need to adjust ph; 3rd step, composite waste enters major path antipollution nanofiltration membrane, through this film, waste water is divided into trap water and through water; 4th step, in 3rd step, the intermediate water tank of trap water before disc tube reverse osmosis (dt-ro) film enters the process of disc tube reverse osmosis (dt-ro) film, obtain through clear water and retain dense water, retain dense water to be mixed into MVR vapour compressor and to process, the vaporised gas obtained carries out condensation, carries out water quality detection to the water of condensation obtained, and carries out discharging or be back to electroplating cleaning process after reaching emission standard, when not reaching emission standard, enter anti-pollution reverse osmosis membrane and process; The solid that the process of MVR vapour compressor obtains is sent into Hazardous wastes process place and is processed, and described disc tube reverse osmosis (dt-ro) film is divided into 7.5MPa and 12MPa two sections, to increase concentration ratio; 5th step, obtaining through clear water and retain dense water through water through the process of antipollution coiled reverse osmosis membrane in the 3rd step, retain dense water enter disc tube reverse osmosis (dt-ro) film before intermediate water tank mix with the trap water obtained in the 3rd step; 6th step, what obtain in the 4th step and the 5th step carries out water quality detection through after clear water mixing, carry out after reaching emission standard discharging or be back to electroplating cleaning process, when not reaching emission standard, enter common coiled reverse osmosis membrane and carry out secondary treatment, obtain reach emission standard through clear water after carry out discharging or be back to electroplating cleaning process, obtain retain dense water enter disc tube reverse osmosis (dt-ro) film before intermediate water tank mix with the trap water obtained in the 3rd step.Although the heavy metal that electroplating wastewater removes in waste water after electroplanting device process is respond well, but but the heavy metal in waste water is not recycled, the high pressure current consumption of reverse osmosis membrane employing is large in addition, add power consumption cost, do not meet the theme of present social development, for this reason, innovation and creation are a kind of removes heavy metal in waste water then by the electroplate rinsing wastewater process of heavy metal recycle and circulation recycle system.
Summary of the invention
Technical assignment of the present utility model is for the deficiencies in the prior art, provides a kind of removing heavy metal in waste water then by heavy metal recycle electroplate rinsing wastewater process and circulation recycle system.
The utility model solves the technical scheme that its technical problem adopts:
A kind of electroplate rinsing wastewater process and circulation recycle system, comprise the rinse tank of more than a plating tank, the one-level that is communicated with step by step, also comprise the raw water box, more medium filter, cartridge filter and the nanofiltration membrane separation device that are connected with waste pipe, the water-in of described raw water box is connected by pipeline with first step rinse tank, and the water outlet of raw water box is connected with more medium filter, cartridge filter and nanofiltration membrane separation device in turn by pipeline; The water-in of described plating tank is connected by pipeline with the bottom water outlet of nanofiltration membrane separation device.
Further, described nanofiltration membrane separation device inside is provided with dense water tank and pure water tank, and the described water outlet of dense water tank is connected by pipeline with the water-in of plating tank, and the water outlet of pure water tank is connected by pipeline with the water-in of last step rinse tank.
Further, this system comprises the first step rinse tank, second stage rinse tank, the third stage rinse tank that are communicated with step by step by hydraulic pipe, described first step rinse tank is connected to raw water box by pipeline, and third stage rinse tank is connected by the pure water tank of pipeline with nanofiltration membrane separation device inside.
Prioritizing selection, described more medium filter comprises two-layer filtrate, is respectively 1.2-2.5mm hard coal filtering layer, 0.5-1.2mm quartz sand filtering layer.
Concrete, the pipeline between described cartridge filter and nanofiltration membrane separation device is also provided with high-pressure pump.
Prioritizing selection, described cartridge filter adopts SS304 acid and alkali-resistance material.
Compared with prior art, the beneficial effect produced is for a kind of electroplate rinsing wastewater process of the present utility model and circulation recycle system:
1) the utility model simplicity of design, whole working process is pure physical process, without phase transformation, reaches zero release, simple to operate, avoids causing secondary pollution;
2) three grades of rinsing equipments combine with nanofiltration membrane separation device by the utility model, achieve the working cycle of " wastewater treatment-utilization of resources ", embody the theory of green processes, not only reduce the pressure of waste water to environment, decrease the pressure that social resources consume simultaneously;
3) the utility model not only saves a large amount of rinse water cost, more save a large sum of effluent charge to use, the heavy metal concentrated solution reuse simultaneously produced, to plating tank, decreases the cost of raw material, the global refuse process new concept that complete assembly embodies completely " environmental protection, resource utilization, economic benefit ".
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
In figure, 1, plating tank, 2, first step rinse tank, 3, second stage rinse tank, 4, third stage rinse tank, 5, plating piece, 6, raw water box, 7, more medium filter, 8, cartridge filter, 9, high-pressure pump, 10, nanofiltration membrane separation device, 11, dense water tank, 12, pure water tank;
A, plating piece move towards, and B, pure water move towards.
Embodiment
Below in conjunction with accompanying drawing 1, by two specific embodiments, a kind of electroplate rinsing wastewater process of the present utility model and circulation recycle system are described in detail below.
Specific embodiment one:
As shown in Figure 1, a kind of electroplate rinsing wastewater process of the present utility model and circulation recycle system, comprise a plating tank 1, the first step rinse tank 2 be communicated with step by step by hydraulic pipe, second stage rinse tank 3, third stage rinse tank 4, also comprise the raw water box 6 be connected with waste pipe, more medium filter 7, cartridge filter 8 and nanofiltration membrane separation device 10, the water-in of described raw water box 6 is connected by pipeline with first step rinse tank 2, the water outlet of raw water box 6 is connected with more medium filter 7 in turn by pipeline, cartridge filter 8 and nanofiltration membrane separation device 10, pipeline between described cartridge filter 8 and nanofiltration membrane separation device 10 is also provided with high-pressure pump 9, the water-in of described plating tank 1 is connected by pipeline with the bottom water outlet of nanofiltration membrane separation device 10,
Described nanofiltration membrane separation device 10 inside is provided with dense water tank 11 and pure water tank 12, and the water outlet of described dense water tank 11 is connected by pipeline with the water-in of plating tank 1, and the water outlet of pure water tank 12 is connected by pipeline with the water-in of third stage rinse tank 4.
Prioritizing selection, described more medium filter 7 comprises two-layer filtrate, is respectively 1.2-2.5mm hard coal filtering layer, 0.5-1.2mm quartz sand filtering layer; Described cartridge filter 8 adopts SS304 acid and alkali-resistance material.
Raw water box 6 of the present utility model is connected to the wastewater outlet of rinse bath, the capacity of setting raw water box 6 is 5m
3, poaching wastewater flow is 20T/h, and the pressure of high-pressure pump 9 position is 0.40Mpa, and concentrated cup water is 12 times.Start working after having set:
1) waste water is by the continual inflow raw water box 6 of waste pipe, enters more medium filter 7 in the water outlet position of raw water box 6 by pipeline;
2) waste water is successively through 1.2-2.5mm hard coal filtering layer, the 0.5-1.2mm quartz sand filtering layer of more medium filter 7 inside, completes pre-filtered 90%;
3) waste water after pre-filtering subsequently enters cartridge filter 8, completes remaining pre-filtered 10%;
4) after having filtered, waste water enters nanofiltration membrane separation device 10 after high-pressure pump 9 is pressurizeed, under the effect of nanofiltration membrane separation device 10, by the concentrated solution being in dense water tank 11 inside separated by the reuse of pipeline 100% to plating tank 1, by pure water 100% reuse being in pure water tank 12 inside of separating to third stage rinse tank 4;
5) pure water in third stage rinse tank 4 flows through second stage rinse tank 3, first step rinse tank 2, raw water box 6 successively by hydraulic pipe, then starts to circulate from step 1).
Said process completes the process of 20 tons of electroplate rinsing wastewaters per hour, and the concentrated solution that whole system is separated and pure water are all fully exploited.
Specific embodiment two:
As shown in Figure 1, a kind of electroplate rinsing wastewater process of the present utility model and circulation recycle system, comprise a plating tank 1, the first step rinse tank 2 be communicated with step by step by hydraulic pipe, second stage rinse tank 3, third stage rinse tank 4, also comprise the raw water box 6 be connected with waste pipe, more medium filter 7, cartridge filter 8 and nanofiltration membrane separation device 10, the water-in of described raw water box 6 is connected by pipeline with first step rinse tank 2, the water outlet of raw water box 6 is connected with more medium filter 7 in turn by pipeline, cartridge filter 8 and nanofiltration membrane separation device 10, pipeline between described cartridge filter 8 and nanofiltration membrane separation device 10 is also provided with high-pressure pump 9, the water-in of described plating tank 1 is connected by pipeline with the bottom water outlet of nanofiltration membrane separation device 10,
Described nanofiltration membrane separation device 10 inside is provided with dense water tank 11 and pure water tank 12, and the water outlet of described dense water tank 11 is connected by pipeline with the water-in of plating tank 1, and the water outlet of pure water tank 12 is connected by pipeline with the water-in of third stage rinse tank 4.
Prioritizing selection, described more medium filter 7 comprises two-layer filtrate, is respectively 1.2-2.5mm hard coal filtering layer, 0.5-1.2mm quartz sand filtering layer; Described cartridge filter 8 adopts SS304 acid and alkali-resistance material.
Raw water box 6 of the present utility model is connected to the wastewater outlet of rinse bath, the capacity of setting raw water box 6 is 5m
3, poaching wastewater flow is 5T/h, and the pressure of high-pressure pump 9 position is 0.30Mpa, and concentrated cup water is 10 times.Start working after having set:
1) waste water is by the continual inflow raw water box 6 of waste pipe, enters more medium filter 7 in the water outlet position of raw water box 6 by pipeline;
2) waste water is successively through 1.2-2.5mm hard coal filtering layer, the 0.5-1.2mm quartz sand filtering layer of more medium filter 7 inside, completes pre-filtered 90%;
3) waste water after pre-filtering subsequently enters cartridge filter 8, completes remaining pre-filtered 10%;
4) after having filtered, waste water enters nanofiltration membrane separation device 10 after high-pressure pump 9 is pressurizeed, under the effect of nanofiltration membrane separation device 10, by the concentrated solution being in dense water tank 11 inside separated by the reuse of pipeline 100% to plating tank 1, by pure water 100% reuse being in pure water tank 12 inside of separating to third stage rinse tank 4;
5) pure water in third stage rinse tank 4 flows through second stage rinse tank 3, first step rinse tank 2 raw water box 6 successively by hydraulic pipe, circulates from step 1) in beginning.
Said process completes the process of 5 tons of electroplate rinsing wastewaters per hour, and the concentrated solution that whole system is separated and pure water are all fully exploited.
Claims (6)
1. an electroplate rinsing wastewater process and circulation recycle system, comprise the rinse tank of more than a plating tank, the one-level that is communicated with step by step, it is characterized in that, also comprise raw water box, more medium filter, cartridge filter and nanofiltration membrane separation device, described raw water box is connected with waste pipe, the water-in of raw water box is connected by pipeline with first step rinse tank, and the water outlet of raw water box is connected with more medium filter, cartridge filter and nanofiltration membrane separation device in turn by pipeline; The water-in of described plating tank is connected by pipeline with the bottom water outlet of nanofiltration membrane separation device.
2. a kind of electroplate rinsing wastewater process according to claim 1 and circulation recycle system, it is characterized in that, described nanofiltration membrane separation device inside is provided with dense water tank and pure water tank, the described water outlet of dense water tank is connected by pipeline with the water-in of plating tank, and the water outlet of pure water tank is connected by pipeline with the water-in of last step rinse tank.
3. a kind of electroplate rinsing wastewater process according to claim 2 and circulation recycle system, it is characterized in that, this system comprises the first step rinse tank, second stage rinse tank, the third stage rinse tank that are communicated with step by step by hydraulic pipe, described first step rinse tank is connected to raw water box by pipeline, and third stage rinse tank is connected by the pure water tank of pipeline with nanofiltration membrane separation device inside.
4. a kind of electroplate rinsing wastewater process according to claim 1 or 2 or 3 and circulation recycle system, it is characterized in that, described more medium filter comprises two-layer filtrate, is respectively 1.2-2.5mm hard coal filtering layer, 0.5-1.2mm quartz sand filtering layer.
5. a kind of electroplate rinsing wastewater process according to claim 1 or 2 or 3 and circulation recycle system, is characterized in that, the pipeline between described cartridge filter and nanofiltration membrane separation device is also provided with high-pressure pump.
6. a kind of electroplate rinsing wastewater process according to claim 5 and circulation recycle system, is characterized in that, described cartridge filter adopts SS304 acid and alkali-resistance material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420550985.0U CN204080170U (en) | 2014-09-24 | 2014-09-24 | A kind of electroplate rinsing wastewater process and circulation recycle system |
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| CN201420550985.0U CN204080170U (en) | 2014-09-24 | 2014-09-24 | A kind of electroplate rinsing wastewater process and circulation recycle system |
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| CN204080170U true CN204080170U (en) | 2015-01-07 |
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| CN201420550985.0U Expired - Fee Related CN204080170U (en) | 2014-09-24 | 2014-09-24 | A kind of electroplate rinsing wastewater process and circulation recycle system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110384965A (en) * | 2019-07-31 | 2019-10-29 | 河池市机务材料有限公司 | A kind of spongy chromium plating electroplating wastewater recycling device |
| CN114455765A (en) * | 2022-02-11 | 2022-05-10 | 广东中青环境工程有限公司 | Electroplating liquid membrane separation and recovery technical equipment and recovery method thereof |
-
2014
- 2014-09-24 CN CN201420550985.0U patent/CN204080170U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110384965A (en) * | 2019-07-31 | 2019-10-29 | 河池市机务材料有限公司 | A kind of spongy chromium plating electroplating wastewater recycling device |
| CN110384965B (en) * | 2019-07-31 | 2021-06-22 | 河池市机务材料有限公司 | Loose-hole chromium plating electroplating wastewater recycling device |
| CN114455765A (en) * | 2022-02-11 | 2022-05-10 | 广东中青环境工程有限公司 | Electroplating liquid membrane separation and recovery technical equipment and recovery method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150107 Termination date: 20180924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |