CN102605399A - On-line recycling method for steel strip continuous copper plating - Google Patents
On-line recycling method for steel strip continuous copper plating Download PDFInfo
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- CN102605399A CN102605399A CN2011102908737A CN201110290873A CN102605399A CN 102605399 A CN102605399 A CN 102605399A CN 2011102908737 A CN2011102908737 A CN 2011102908737A CN 201110290873 A CN201110290873 A CN 201110290873A CN 102605399 A CN102605399 A CN 102605399A
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Abstract
The invention relates to an on-line recycling method for steel strip continuous copper plating. The method is mainly used for recycling acid-base cleaning water, copper plating cleaning water and copper plating liquid during the process of steel strip continuous copper plating. A water collecting tank, a security filter, a fine filter and a RO (Reverse Osmosis) film treating system are utilized to treat the acid-base wastewater so as to turn the wastewater into pure water; the pure water is stored in a clean water tank; and then a pump is utilized to pump the pure water into a cleaning tank for recycling. An atomizing spraying device is utilized to scour the plating solution taken out of the tank by the steel strip; after being filtered, the plating solution is stored in a plating solution concentrating tank; and the pump is utilized to pump the plating solution into a plating tank for recycling. The water collecting tank, the security filter, the fine filter, an ultra-filtration system and the RO film treating system are utilized to treat copper plating cleaning water, thereby obtaining thick water and pure water. The pure water is stored in the clean water tank and then the pump is utilized to pump the pure water into the cleaning tank for recycling. After the thick water is concentrated, the thick water is reused in the plating tank. The solid impurities after being filtered are subjected to plate pressing forming and then are treated by a professional company. The acid-base cleaning water, the copper plating cleaning water and the copper plating liquid are recycled; the discharging of wastewater is reduced; the resource is saved; and the pollution is reduced.
Description
Technical field
The present invention relates to Industrial Wastewater Treatment and resource and reclaim the field, specifically is the method for the online recovery of a kind of steel band copperizing continuously.
Background technology
Along with China's industrial expansion, the especially develop rapidly of automobile and other industries increases the demand of copper and brass work day by day.But China is that a poor copper is national, and the main dependence on import of copper adds copper price moving quickly upward in the world, brings big cost pressure to industries such as China's automobiles.Through demonstration and facts have proved, at automobile, industries such as household electrical appliances, steel copper facing goods Alloy instead of Copper goods are feasible, even performance in some aspects is more better than copper on the contrary.The copper facing steel band mainly is used for producing group's enlightening pipe, and widespread usage is at aspects such as automobile oil pipe, floor heating tube, air-conditioning pipes.The still economic problems that use iron instead of copper not can also reduce carbon emission in a large number.Steel band copper facing has good social benefit and economic benefit thus.Utilize cyanide electroplating, can obtain densification, smooth, coating that bonding force is good, so the steel band copperizing continuously adopts cyanide copper plating process.
In the steel band copperizing continuously is produced, need to consume a large amount of pure water, and rinse water accounts for major portion.Waste water after the cleaning is owing to contain a large amount of acid-base materials, heavy metal (Cu
2+) and toxic substance (CN
-), cause not capable of using.Must focus on sewage works and handle, discharging.Like this, will waste great amount of water resources in the plating shop.Also have, in electroplating process, have a certain amount of plating bath and take out of, discharge with waste water.Owing to contain plurality of heavy metal (Cu in the plating bath
2+) and toxic substance (CN
-), will work the mischief to environment, and the waste resource, this does not meet the cleaner production standard of electroplating industry.In recent years, in chemical industry, electroplating industry especially, country actively advocates online recovery, realizes " zero release ".So it is imperative taking measures to make waste water, the online recycling of waste liquid.
Summary of the invention
To the problems referred to above, the invention provides kind of the method for the online recovery of steel band copperizing continuously.
The method of the online recovery of a kind of steel band copperizing continuously of the present invention; Mainly utilize header tank, security personnel's filter, microfroc filter, RO film processing system, ultrafiltration system, atomizing sprayer, filtered water tank, pump etc.; After soda acid rinse water, copper facing rinse water and copper plating bath handled, recycle.
The processing of acidic and alkaline waste water and recycling.The soda acid Cleaning Wastewater focuses in the header tank, carries out acid-base neutralisation and handles, and utilizes security personnel's filter to filter then; Filter out particle greater than 5 microns; Utilize microfroc filter to filter again, the water conservancy after filtering is handled obtaining pure water with the RO film, pure water is focused in the filtered water tank; Utilize pump at last, the pure water pump in the Rinsing Area is delivered to each use water spot.
The recycling of plating bath.When steel band goes out groove, will take a certain amount of plating bath out of.Utilize the water smoke of atomizing sprayer mesohigh shower nozzle ejection that plating bath remaining on the steel band is washed, and collect and concentrate in the groove,, after filtering, remove impurity because the bath concentration that wash is higher, can be in being pumped into coating bath to recycling.
The processing of copper facing rinse water and recycling.The copper facing Cleaning Wastewater focuses in the header tank, filters with security personnel's filter, filters out the particle greater than 5 microns; Utilize microfroc filter to filter again, the water after filtering is handled through ultrafiltration system, the most of colloid silicon that contains in the water is removed; Simultaneously can remove a large amount of organism etc.; Then utilize the RO membrane technique to handle, will obtain dense water and pure water, focus on respectively in dense water tank and the filtered water tank.Utilize pump at last, the dense water in the dense water tank is transported in the coating bath recycles, the pure water pump in the filtered water tank is delivered to each use water spot.
The impurity that filters out in the said process is collected, transferred to specialized company after plate is molded and handle.
The present invention makes waste water and the waste plating solution in the electroplating process obtain recycling, has practiced thrift resource, and economic environmental protection meets national cleaner production standard.
Description of drawings
Fig. 1 is the schema of the embodiment of the online recovery of the present invention;
Embodiment
Like figure, rinse water after the oil removing and the rinse water after the activation mainly are to contain alkali waste water, acid-bearing wastewater. after containing alkali waste water and acid-bearing wastewater and focusing on header tank, at first carry out neutralizing treatment,, waste water is adjusted to neutrality to wherein adding alkali and acid; Flow through successively security personnel strainer and accurate filter of waste water carries out filtration treatment then, removes impurity and macromolecular substance in anhydrating; Last waste water flows into the RO membrane treatment appts, handles, and according to the difference of osmotic pressure, is handling the acquisition pure water through the RO film.Pure water is focused on filtered water tank, through pump, be transported to rinse bath and the rinse bath after the activation after the oil removing.
After the copper facing; Plating bath reclaims the method that adopts atomizing spray, utilizes the high pressure spray nozzle in the atomizing sprayer to form ' air knife ', and the plating bath flushing of carrying when steel band is gone out groove strips down; Flow into plating bath and concentrate groove; The security personnel's strainer of flowing through then filters, and removes the impurity (copper scale, iron filings) in the waste liquid.Because after treatment plating bath, concentration is higher, after pump capable of using will be handled plating bath directly be delivered in the copper plating groove.
Rinse water after the copper facing focuses in the header tank, and rinse water flow through successively security personnel strainer and accurate filter filter out the impurity in the rinse water; Then waste water is carried out uf processing, last waste water flows into the RO membrane treatment appts, can obtain pure water and dense water after treatment, and the liquid concentrator that wherein dense water is plating bath can directly utilize and be pumped to the coating bath reuse, and pure water is sent by pumping to rinse bath utilization.
Embodiment 1
Rinse bath is of a size of 1500 * 600 * 500 in the steel band copperizing continuously, and clear water is changed once average per half a hour in the groove.Per hour produce 2 tons of acidic and alkaline waste waters, filter is selected the 3T/H model for use when handling acidic and alkaline waste water, per hour obtains pure water after treatment and is about 1.6 tons.The recovery utilization rate of soda acid rinse water is 80%.Handle after waste plating solution focused on some amount.Handle when waste plating solution 0.5 ton hour, the plating bath of last recyclable utilization is 0.42 ton, and the plating bath recovery is 84%.1 ton of per hour copper facing Cleaning Wastewater output, when handling the copper facing rinse water, filter is adopted and is utilized the 2T/H model, per hour obtains 0.78 ton of pure water after treatment, and obtains a certain amount of dense water, and copper facing rinse water recovery utilization rate is 78%.
Embodiment 2
Rinse bath is of a size of 1500 * 600 * 500 in the steel band copperizing continuously, and clear water is changed once average per half a hour in the groove.Per hour produce 2.6 tons of acidic and alkaline waste waters, filter is selected the 3T/H model for use when handling acidic and alkaline waste water, per hour obtains pure water after treatment and is about 2.1 tons.The recovery utilization rate of soda acid rinse water is 81%.Handle after waste plating solution focused on some amount.Handle when waste plating solution 0.8 ton hour, the plating bath of last recyclable utilization is 0.64 ton, and the plating bath recovery is 80%.1.2 tons of per hour copper facing Cleaning Wastewater output, when handling the copper facing rinse water, filter is adopted and is utilized the 2T/H model, per hour obtains 0.98 ton of pure water after treatment, and obtains a certain amount of dense water, and copper facing rinse water recovery utilization rate is 81.7%.
Embodiment 3
Rinse bath is of a size of 1500 * 600 * 500 in the steel band copperizing continuously, and clear water is changed once average per half a hour in the groove.Per hour produce 3 tons of acidic and alkaline waste waters, filter is selected the 3T/H model for use when handling acidic and alkaline waste water, per hour obtains pure water after treatment and is about 2.45 tons.The recovery utilization rate of soda acid rinse water is 81.7%.Handle after waste plating solution focused on some amount.Handle when waste plating solution 1 ton hour, the plating bath of last recyclable utilization is 0.81 ton, and the plating bath recovery is 81%.During 1.5 tons of processing of per hour copper facing Cleaning Wastewater output copper facing rinse water, filter is adopted and is utilized the 2T/H model, per hour obtains 1.2 tons of pure water after treatment, and obtains a certain amount of dense water, and copper facing rinse water recovery utilization rate is 80%.
Claims (4)
1. the method for the online recovery of a steel band copperizing continuously; Comprise header tank, security personnel's filter, microfroc filter, RO film processing system, ultrafiltration system, atomizing sprayer, filtered water tank, dense water tank, pump, main processing and recovery soda acid rinse water, copper facing rinse water, copper facing waste liquid.
2. the method for the online recovery of a kind of steel band copperizing continuously according to claim 1 is characterized in that: utilize header tank, security personnel's filter, microfroc filter, RO film processing system, filtered water tank, pump to handle the soda acid rinse water.
(1). with obtaining pure water after the processing of soda acid rinse water.Flow process is following:
The soda acid rinse water collect water tank → in and pretreating device → security personnel's strainer → accurate filter → RO film processing system → filtered water tank
(2). utilize pump delivery to respectively using water spot the pure water in the filtered water tank.
3. the method for the online recovery of a kind of steel band copperizing continuously according to claim 1 is characterized in that: in the copper facing accumulator tank, atomizing sprayer is set, other is provided with plating bath and concentrates groove, filter and pump.
(1). utilize atomizing sprayer, plating bath is washed, concentrate.
(2). the plating bath after will filtering is pumped in the coating bath.
4. the method for the online recovery of a kind of steel band copperizing continuously according to claim 1, it is characterized in that: utilize header tank, security personnel's filter, microfroc filter, RO film processing system, ultrafiltration system, filtered water tank, pump to handle the copper facing rinse water.
(1). with obtaining pure water after the processing of copper facing rinse water.Flow process is following:
The copper facing rinse water are collected water tank → security personnel's strainer → accurate filter → ultrafiltration system → ultrafiltration water tank → RO film processing system → filtered water tank, dense water tank
(2). utilize pump delivery to respectively using water spot the pure water in the filtered water tank.
(3). with the dense water conservancy in the dense water tank with pump delivery in coating bath.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110290873.7A CN102605399B (en) | 2011-09-29 | 2011-09-29 | On-line recycling method for steel strip continuous copper plating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110290873.7A CN102605399B (en) | 2011-09-29 | 2011-09-29 | On-line recycling method for steel strip continuous copper plating |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102605399A true CN102605399A (en) | 2012-07-25 |
| CN102605399B CN102605399B (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110290873.7A Expired - Fee Related CN102605399B (en) | 2011-09-29 | 2011-09-29 | On-line recycling method for steel strip continuous copper plating |
Country Status (1)
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877112A (en) * | 2012-09-09 | 2013-01-16 | 东营宏源机械设备有限公司 | Backflow water washing equipment |
| CN103938244A (en) * | 2014-05-11 | 2014-07-23 | 山东建筑大学 | Continuous copper plating II for steel strip |
| CN103938239A (en) * | 2014-05-11 | 2014-07-23 | 山东建筑大学 | Steel band continuous copper plating I |
| CN103938238A (en) * | 2014-05-11 | 2014-07-23 | 山东建筑大学 | Steel strip continuous copper plating III |
| CN103952737A (en) * | 2014-05-11 | 2014-07-30 | 山东建筑大学 | Steel band continuous copper plating VI |
| CN103952735A (en) * | 2014-05-11 | 2014-07-30 | 山东建筑大学 | Steel band continuous copper plating V |
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| US3697399A (en) * | 1970-07-11 | 1972-10-10 | Usui Kokusai Sangyo Kk | Method of continuously plating a steel strap on one surface |
| JPS572157B2 (en) * | 1975-05-02 | 1982-01-14 | ||
| JPH0617172A (en) * | 1992-07-03 | 1994-01-25 | Mitsubishi Steel Mfg Co Ltd | Conductive roll for electroplating |
| JP2008056972A (en) * | 2006-08-30 | 2008-03-13 | Nippon Steel Corp | Continuous annealing furnace |
| CN101230480A (en) * | 2007-10-29 | 2008-07-30 | 山东九鑫机械工具有限公司 | Electroplating reverse-flow rinsing process |
| CN101565248A (en) * | 2008-04-25 | 2009-10-28 | 上海润实防蚀新材料科技有限公司 | Electroplating wastewater processing method |
| CN101891323A (en) * | 2010-04-27 | 2010-11-24 | 南京源泉环保科技股份有限公司 | Method for classifying, treating and recycling plating washing water on line |
-
2011
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3697399A (en) * | 1970-07-11 | 1972-10-10 | Usui Kokusai Sangyo Kk | Method of continuously plating a steel strap on one surface |
| JPS572157B2 (en) * | 1975-05-02 | 1982-01-14 | ||
| JPH0617172A (en) * | 1992-07-03 | 1994-01-25 | Mitsubishi Steel Mfg Co Ltd | Conductive roll for electroplating |
| JP2008056972A (en) * | 2006-08-30 | 2008-03-13 | Nippon Steel Corp | Continuous annealing furnace |
| CN101230480A (en) * | 2007-10-29 | 2008-07-30 | 山东九鑫机械工具有限公司 | Electroplating reverse-flow rinsing process |
| CN101565248A (en) * | 2008-04-25 | 2009-10-28 | 上海润实防蚀新材料科技有限公司 | Electroplating wastewater processing method |
| CN101891323A (en) * | 2010-04-27 | 2010-11-24 | 南京源泉环保科技股份有限公司 | Method for classifying, treating and recycling plating washing water on line |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877112A (en) * | 2012-09-09 | 2013-01-16 | 东营宏源机械设备有限公司 | Backflow water washing equipment |
| CN103938244A (en) * | 2014-05-11 | 2014-07-23 | 山东建筑大学 | Continuous copper plating II for steel strip |
| CN103938239A (en) * | 2014-05-11 | 2014-07-23 | 山东建筑大学 | Steel band continuous copper plating I |
| CN103938238A (en) * | 2014-05-11 | 2014-07-23 | 山东建筑大学 | Steel strip continuous copper plating III |
| CN103952737A (en) * | 2014-05-11 | 2014-07-30 | 山东建筑大学 | Steel band continuous copper plating VI |
| CN103952735A (en) * | 2014-05-11 | 2014-07-30 | 山东建筑大学 | Steel band continuous copper plating V |
| CN103952737B (en) * | 2014-05-11 | 2016-03-02 | 山东建筑大学 | A kind of technique of continuous copper-plating of steel strip |
| CN103938244B (en) * | 2014-05-11 | 2016-07-06 | 山东建筑大学 | A kind of electroplating technology of continuous copper-plating of steel strip |
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| Publication number | Publication date |
|---|---|
| CN102605399B (en) | 2014-08-06 |
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