CN201106070Y - Device for reusing electroplating wastewater by using integrated membrane - Google Patents
Device for reusing electroplating wastewater by using integrated membrane Download PDFInfo
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- CN201106070Y CN201106070Y CNU200720076650XU CN200720076650U CN201106070Y CN 201106070 Y CN201106070 Y CN 201106070Y CN U200720076650X U CNU200720076650X U CN U200720076650XU CN 200720076650 U CN200720076650 U CN 200720076650U CN 201106070 Y CN201106070 Y CN 201106070Y
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Abstract
The utility model pertains to the environmental protection field, which relates to a device utilizing an integrated membrane to carry out electroplating wastewater recycling. The utility model comprises a raw water barrel, a pretreatment unit, a booster pump, a pre-filter, filter membrane components, a middle water tank, a booster pump, a precise filter, a high pressure pump and reverse permeable membrane components. The pretreatment unit consists of a pretreatment dosing device and a pH value adjustment device which are connected in parallel with the raw water barrel; the booster pump is respectively connected with the raw water barrel and the pre-filter is connected by pipelines behind the booster pump; the filter membrane components are connected with each other behind the pre-filter; a middle water tank is arranged behind the filter membrane components which are connected with the water tank by pipelines; the middle water tank is connected with the booster pump, the precise filter, the high pressure pump and the reverse permeable membrane components in sequence. After adding the pretreatment dosing device, the device of the utility model can maintain a stable ultrafiltration water production SDI value below one, and the service life of subsequent parts can be prolonged greatly.
Description
Technical field
The utility model relates to a kind of device of electroplating waste-water reutilizing, specifically is a kind of device that utilizes integrated film to carry out electroplating waste-water reutilizing, belongs to field of environment protection.
Background technology
Plating is to utilize chemistry and electrochemical method to plate various metals at metal or at other material surface, is widely used in industries such as machine manufacturing, light industry, electronics.But electroplating industry is one of the current whole world three big contaminated industries, and the high water usage amount in its production process and the heavy metal of discharging have all greatly restricted the Sustainable development of electroplating industry to the pollution of water surrounding.
The improvement of electroplating wastewater at home and abroad generally comes into one's own, and mainly is the thinking by end treatment, adopts traditional water treatment method, as chemical precipitation method, ion exchange method, biosorption process and oxidation reduction process etc.Aforesaid method capital construction and running cost all too high (running cost is on average at 6～8 yuan/ton).
Along with the fast development of electroplating industry and the raising day by day of environmental requirement, at present, electroplating wastewater is administered and has been begun to enter process for cleanly preparing, overall control and recycling economy integration stage, main target around resource recycling and closed cycle, with poisonous improvement be nontoxic, harmful be converted into harmless, reclaim the quantity discharged that heavy metal was eliminated and reduced in measures such as noble metal, water cycle use.At present, in the membrane technology of electroplating wastewater, relate generally to ultrafiltration, nanofiltration and reverse osmosis.
Find that through the literature search to prior art patent CN1869289A provides a kind of electroplating wastewater zero utilization process and equipment, equipment comprises pretreatment component, membrane module and vaporizer.Wherein pretreatment component is the combination of activated charcoal filter, micro-filtration membrane module and filter membrane component, is traditional pre-treatment facility, can't adjust colloidal particle form in the water inlet.
Summary of the invention
The utility model provides a kind of device that utilizes integrated film to carry out electroplating waste-water reutilizing at the shortcoming that existing installation exists, and promptly adopts pre-treatment chemicals dosing plant, the parallel connection of pH regulator device as pretreated integrated membrane electroplating wastewater recycling device.The utility model and traditional ultrafiltration are different, have comprised the parts that can adjust colloidal particle form in the water inlet, can increase the work-ing life of subsequent parts greatly.
The utility model is achieved through the following technical solutions, and the utility model comprises former bucket, pretreatment unit, topping-up pump, prefilter, filter membrane component, intermediate water tank, topping-up pump, strainer, high-pressure pump and reverse osmosis membrane assembly.Described pretreatment unit is made of pre-treatment chemicals dosing plant, the parallel connection of pH regulator device, and the annexation of each several part is: pH regulator device and pre-treatment chemicals dosing plant are parallel to former bucket, and pH and colloidal particle all obtain adjusting in former bucket.Topping-up pump links to each other with former bucket, and by the pipe connection prefilter, particulate matter big in prefilter is by filtering behind topping-up pump.Be connected with filter membrane component behind the pretreater, with colloidal particle and a small amount of organic matter removal of the overwhelming majority.Intermediate water tank is set behind the filter membrane component,, collects the product water of filter membrane component by the pipe connection of filter membrane component and intermediate water tank.By pipe connection topping-up pump, strainer, high-pressure pump and reverse osmosis membrane assembly are arranged successively behind the intermediate water tank.It is pure water by reverse osmosis membrane assembly production that water is produced in ultrafiltration, carries out reuse.
Key of the present utility model is pre-treatment chemicals dosing plant, the pH regulator device pretreatment unit that constitutes in parallel.PH regulator device and pre-treatment chemicals dosing plant add acid, alkali and tensio-active agent respectively the colloidal particle in the water are carried out modification.
Described pH regulator device comprises sour dosing volume pump, sour dosing batch meter, alkali dosing volume pump, alkali dosing batch meter, pH on-line controller, the pH on-line controller all links to each other with sour dosing volume pump, alkali dosing volume pump, acid dosing volume pump links to each other by pipeline with sour dosing batch meter, and alkali dosing volume pump links to each other by pipeline with alkali dosing volume pump.
Described pre-treatment chemicals dosing plant comprises the tensio-active agent volume pump, the tensio-active agent storage tank.The tensio-active agent volume pump is installed on the tensio-active agent batch meter.
The utility model uses and the big characteristics of wastewater discharge at the electroplating enterprise water resources, a waste water recycling equipment of being made up of said apparatus mainly is provided, the key of equipment is the pre-processing device that is made of pH regulator device and pre-treatment chemicals dosing plant, utilize the characteristics of colloidal particle charge through improved pretreatment unit, by in and colloidal particle electric charge and utilize the colloidal particle electric charge to adsorb other material to form bigger colloidal function and remove colloidal particle and other particulate matter.In general electroplating wastewater preprocessing process, directly utilize ultrafiltration that electroplating wastewater is filtered, extremely instability of water SDI value is produced in ultrafiltration, and most SDI values fluctuate between 1-15, and water quality can not satisfy subsequent parts water inlet requirement sometimes.Behind the parts through increasing pH regulator device and pre-treatment chemicals dosing plant formation, ultrafiltration is produced water SDI value stabilization below 1, can increase the work-ing life of subsequent parts greatly.
Description of drawings
Fig. 1 is an apparatus structure synoptic diagram of the present utility model
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated: present embodiment is being to implement under the prerequisite with technical solutions of the utility model; provided detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises: former bucket 1, pH regulator device 2, pre-treatment chemicals dosing plant 3, topping-up pump 4, prefilter 5, filter membrane component 6, intermediate water tank 7, topping-up pump 8, strainer 9, high-pressure pump 10, reverse osmosis membrane assembly 11, sour dosing volume pump 12, sour dosing batch meter 13, alkali dosing volume pump 14, alkali dosing batch meter 15, pH on-line controller 16, tensio-active agent dosing volume pump 17, tensio-active agent dosing batch meter 18.
The filter core precision of described prefilter 5 is 50um, and material is a stainless steel.
Key of the present utility model is the pretreatment unit that is made of pre-treatment chemicals dosing plant 3, pH regulator device 2.PH regulator device 2 carries out modification with pre-treatment chemicals dosing plant 3 acid, alkali and the tensio-active agents of adding respectively in parallel to the colloidal particle in the water.
Described pH regulator device 2 comprises sour dosing volume pump 12, sour dosing batch meter 13, alkali dosing volume pump 14, alkali dosing batch meter 15, pH on-line controller 16.PH on-line controller 16 is installed on the former bucket 1, and pH on-line controller 16 all links to each other with sour dosing volume pump 12, alkali dosing volume pump 14.Acid dosing volume pump 12 and sour dosing batch meter 13 link to each other by pipeline, and the signal by 16 transmission of pH on-line controller adds acid solution in former bucket 1, with adjustment pH value.Alkali dosing volume pump 14 and alkali dosing volume pump 15 link to each other by pipeline, and similarly, the signal by 16 transmission of pH on-line controller adds alkali lye in former bucket 1, to adjust the pH value.
Described pre-treatment chemicals dosing plant 3 comprises tensio-active agent dosing volume pump 17, tensio-active agent dosing batch meter 18.Tensio-active agent volume pump 17 is installed on the tensio-active agent batch meter 18, adds tensio-active agent to adjust the form of colloidal particle in former bucket 1.
Claims (5)
1, a kind of device that utilizes integrated film to carry out electroplating waste-water reutilizing, comprise: former bucket, pretreatment unit, topping-up pump, prefilter, filter membrane component, intermediate water tank, topping-up pump, accurate filter, high-pressure pump and reverse osmosis membrane assembly, it is characterized in that: described pretreatment unit is by the pre-treatment chemicals dosing plant, the pH regulator device constitutes, pH regulator device and pre-treatment chemicals dosing plant are parallel to former bucket, topping-up pump links to each other with former bucket, behind topping-up pump by the pipe connection prefilter, be connected with filter membrane component behind the pretreater, intermediate water tank is set behind the filter membrane component, pipe connection by filter membrane component and intermediate water tank has topping-up pump by pipe connection behind the intermediate water tank successively, accurate filter, high-pressure pump and reverse osmosis membrane assembly.
2, the device that utilizes integrated film to carry out electroplating waste-water reutilizing according to claim 1, it is characterized in that, described pH regulator device comprises sour dosing volume pump, sour dosing batch meter, alkali dosing volume pump, alkali dosing batch meter, pH on-line controller, the pH on-line controller all links to each other with sour dosing volume pump, alkali dosing volume pump, acid dosing volume pump links to each other by pipeline with sour dosing batch meter, and alkali dosing volume pump links to each other by pipeline with alkali dosing volume pump.
3, the device that utilizes integrated film to carry out electroplating waste-water reutilizing according to claim 2 is characterized in that, described pH on-line controller is installed on the former bucket,
4, the device that utilizes integrated film to carry out electroplating waste-water reutilizing according to claim 1, it is characterized in that, described pre-treatment chemicals dosing plant comprises tensio-active agent dosing volume pump, tensio-active agent dosing batch meter, and the tensio-active agent volume pump is arranged on the tensio-active agent batch meter.
5, the device that utilizes integrated film to carry out electroplating waste-water reutilizing according to claim 1 is characterized in that, the filter core precision of described prefilter is 50um.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720076650XU CN201106070Y (en) | 2007-10-25 | 2007-10-25 | Device for reusing electroplating wastewater by using integrated membrane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720076650XU CN201106070Y (en) | 2007-10-25 | 2007-10-25 | Device for reusing electroplating wastewater by using integrated membrane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201106070Y true CN201106070Y (en) | 2008-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720076650XU Expired - Fee Related CN201106070Y (en) | 2007-10-25 | 2007-10-25 | Device for reusing electroplating wastewater by using integrated membrane |
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| CN (1) | CN201106070Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104562165A (en) * | 2014-12-31 | 2015-04-29 | 广东威迪科技股份有限公司 | Intelligent filter control system |
| CN105177646A (en) * | 2015-08-27 | 2015-12-23 | 天津佰金隆金属制品有限公司 | Device for producing cyanide-free copper plating solution |
-
2007
- 2007-10-25 CN CNU200720076650XU patent/CN201106070Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104562165A (en) * | 2014-12-31 | 2015-04-29 | 广东威迪科技股份有限公司 | Intelligent filter control system |
| CN104562165B (en) * | 2014-12-31 | 2017-04-26 | 广东威迪科技股份有限公司 | Intelligent filter control system |
| CN105177646A (en) * | 2015-08-27 | 2015-12-23 | 天津佰金隆金属制品有限公司 | Device for producing cyanide-free copper plating solution |
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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: 20080827 Termination date: 20091125 |