CN102583686A - Device for treating wastewater containing low-concentration metals - Google Patents
Device for treating wastewater containing low-concentration metals Download PDFInfo
- Publication number
- CN102583686A CN102583686A CN2012100357611A CN201210035761A CN102583686A CN 102583686 A CN102583686 A CN 102583686A CN 2012100357611 A CN2012100357611 A CN 2012100357611A CN 201210035761 A CN201210035761 A CN 201210035761A CN 102583686 A CN102583686 A CN 102583686A
- Authority
- CN
- China
- Prior art keywords
- waste water
- wastewater
- separator column
- foam
- return
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Removal Of Specific Substances (AREA)
Abstract
The invention relates to a device for treating wastewater containing low-concentration metals. The device consists of a wastewater-foam separation system, a gas supply system, a wastewater input system and a wastewater circulating return-flow system, wherein a hollow vertical cylinder separation column is arranged as a main body of the wastewater-foam separation system; a foam discharging hole, a wastewater containing metal ions input hole, an upper wastewater return-flow input hole, a lower wastewater return-flow output hole, an air input hole and a processed wastewater discharging hole are respectively arranged on the side wall of the cylinder of the separation column; the wastewater input system is connected with the separation column through the wastewater containing metal ions input hole; the gas supply system is connected with the separation column through the air input hole; and the wastewater circulating return-flow system is connected with the separation column through the upper wastewater return-flow input hole and the lower wastewater return-flow output hole. The device for treating wastewater containing low-concentration metals provided by the invention can be used for separating and retrieving low-concentration metal ions contained in solutions, and the processed wastewater containing low-concentration metal ions reaches a discharge standard basically.
Description
Technical field
The present invention relates to a kind of low-concentration metallic wastewater treatment unit.
Background technology
Along with rapid development of national economy; The increase of metal ion content increases the weight of the threat of environment and HUMAN HEALTH formation day by day in all kinds of water bodys; Separation of metal ions removal technology mainly contains chemical precipitation, membrane sepn, IX, absorption and co-precipitation/absorption etc. in the water body; But the use cost of these methods is generally higher, has limited its use.Foam separation is a kind of novel separation method that in sepn process, earns widespread respect in recent years; It is used to the flotation of mineral the earliest; In recent years, it also is widely used in separating of many insoluble substances and soluble substance, like solution metal positively charged ion, negatively charged ion, protein; The separation of dyestuff etc. concentrates, yet supporting with it specific equipment is not arranged so far as yet.
The present invention provides a kind of metallic wastewater treatment unit based on foam separating technology; This technology is the principle according to surface adsorption, through bubbling in the solution that contains surfactant and form foam layer, foam layer and liquid phase body portion is left; Because surfactant accumulates in the foam layer; So just can reach the purpose that concentrates surfactant or purify the liquid phase main body, its great advantage is to separate under the lower concentration effective especially, therefore is applicable to the Separation and Recovery of low component in the solution.
Summary of the invention
The technical problem that the present invention will solve is to provide a kind of low-concentration metallic wastewater treatment unit, and it is made up of waste water-foam separation system, airing system, waste water input system and waste water pump around circuit system.Wherein waste water-foam separation system is a main body by the separator column of hollow vertical type cylinder body; Be respectively equipped with on the cylindrical sidewall of separator column the waste water input hole of foam outlet orifice, metal ion, up and down two return of waste water IO holes, air input holes and handle after the discharge of wastewater hole; The waste water input system links to each other with separator column through the waste water input hole of metal ion; Airing system links to each other with separator column through the air input hole, and two return of waste water IO holes linked to each other with separator column about waste water pump around circuit system passed through.
Described waste water-foam separation system is made up of separator column, foam output tube, foam receiving tank, processed waste water vent pipe and gas in overpressure release aperture; Release aperture be arranged at separator column on cover; The foam output tube is arranged at the side wall upper part of separator column; Wastewater discharge pipe is arranged at the lower sidewall of separator column, also is provided with waste water highly transparent form on the cylindrical sidewall.Through release aperture, can in time overpressure air be discharged separator column.
Described waste water input system; Wastewater trough by waste water transfer lime, wastewater flow meter, waste water front pump and metal ion constitutes; The waste water transfer lime links to each other with separator column through the waste water input hole on the sidewall of separator column, through the transfer lime in the waste water input system waste water is pumped into separator column by the waste water input hole of metal ion.
Described airing system; Constitute by air, pneumatic tube, valve and air distribution plate; Pneumatic tube is provided with valve and links to each other with the air input hole that is arranged at the separator column bottom; Air distribution plate is arranged at the separator column bottom, and starting the waste water recycle pump can and have up waste water circulation transfer lime to return in the separator column with the extraction of the waste water bottom the separator column.
Described waste water pump around circuit system; Constitute by waste water circulation transfer lime, waste water circular flow meter and waste water recycle pump; And join through two the return of waste water IO holes up and down in waste water circulation transfer lime and the separator column sidewall, the air of input diffuses in the separator column through air distribution plate equably.
Adopt device of the present invention, be highly suitable for containing in the solution low component metals ionic and separate and recovery.
Description of drawings
Fig. 1 is a low-concentration metallic wastewater treatment unit synoptic diagram of the present invention.
Embodiment
Combine embodiment that the present invention is further described with reference to the accompanying drawings.
Among Fig. 1, the 1st, gas in overpressure release aperture, the 2nd, foam vent pipe, the 3rd, separator column, the 4th, waste water circulation transfer lime; The 5th, waste water circular flow meter, the 6th, waste water recycle pump, the 7th, foam receiving tank, the 8th, air; The 9th, the valve on the air transfusion tube of air compressor, the 10th, air distribution plate, the 11st, the wastewater discharge pipe after handling, the 12nd, the receiving tank after handling; The 13rd, the wastewater trough of metal ion, the 14th, waste water transfer lime, the 15th, waste water front pump, the 16th, wastewater flow meter.
Adopt accompanying drawing 1 described structure of the present invention; During use; 1, collect contain cupric ion waste water in wastewater trough (13); Content of copper ion in the waste water surveyed of sampling at first, the total amount of then measuring waste water in the wastewater trough (13) is 50 L, in waste water (L): the ratio of tensio-active agent (g)=1: 0.2～1.2 is added the lauryl alcohol T 46155 ether dimethyl methyl ammonium chloride tensio-active agent of 10 g.2, open the waste water front pump (15) of waste water input system, the waste water in the wastewater trough (13) is pumped in the separator column (3), the wastewater flow rate that pumps into can pass through the transparent window direct viewing, and the speed that pumps into waste water can be through wastewater flow meter (16) control.3, after the waste water height surpasses the input input hole that refluxes; TSD waste water front pump (15); Then waste water recycle pump (6) in the ON cycle return-flow system and the air compressor machine (8) in the airing system, be 1 L/h through the circulate flow of conveying of waste water circulation transfer lime (4) and waste water circular flow meter (5) control waste water this moment.4, observe directly after foam forms in the separator column (3) through transparent window; Restart waste water front pump (15) again, open the wastewater discharge pipe (11) after the processing simultaneously, the flow that adjustment pumps into waste water is 0.6 L/h; The wastewater discharge pipe delivery flow is approximately 0.5 L/h; Make to pump into the wastewater flow rate that wastewater flow rate is slightly more than wastewater discharge pipe (11) discharge, at this moment, constantly produce foam in the separator column (3); Form foam layer and liquid phase layer, the foam that is produced is flowed in the foam receiving tank (7) by output tube (2).5, after waste water front pump (15) all pumps into separator column (3) with the waste water in the wastewater trough (13); Close waste water front pump (15); Continued bubbling 15 minutes; Close air compressor machine (8) and the valve (9) of air compressor machine ventpipe in waste water recycle pump (6), the airing system, the liquid phase layer is all discharged the receiving tank (12) that gets into after handling by wastewater discharge pipe (11), accomplish wastewater treatment process.The foam of collecting in the receiving tank (12) carries out the separation of conventional cupric ion.
Sampling of wastewater after handling is measured, and the content of copper ion of survey is 0.8mg/L, is that 20mg/L compares with handling preceding waste water content of copper ion, and the clearance of cupric ion has reached 96%, reaches the sewage second-level emission standard.
Structure and treatment step that present embodiment adopts are identical with embodiment 1 with mode; Different is that collected waste water contains chromium ion; The tensio-active agent that uses is lauryl alcohol T 46155 ether dimethyl methyl ammonium chloride, and in waste water (L): the ratio of tensio-active agent (g)=1: 0.2～1.2 is added the lauryl alcohol T 46155 ether dimethyl methyl ammonium chloride tensio-active agent of 60g.After treatment, the sampling of wastewater after handling is measured, the content of chromium ion of survey is 0.9mg/L, is that 30mg/L compares with handling preceding waste water content of chromium ion, and the clearance of chromium ion has reached 98.7%, reaches emission standards.
Structure and waste water, treatment step and mode that present embodiment adopts are identical with embodiment 1; The tensio-active agent that uses is lauryl alcohol T 46155 ether dimethyl methyl ammonium chloride, and in waste water (L): the ratio of tensio-active agent (g)=1: 0.2～1.2 is added the lauryl alcohol T 46155 ether dimethyl methyl ammonium chloride tensio-active agent of 35g.After treatment, the sampling of wastewater after handling is measured, the content of chromium ion of survey is 0.9mg/L, is that 30mg/L compares with handling preceding waste water content of chromium ion, and the clearance of chromium ion has reached 97.2%, reaches emission standards.
In sum, the present invention is a kind of rational in infrastructure, liquid metallic wastewater treatment unit that cost is low, easy to use, and the waste water after this apparatus processes reaches the low-concentration metallic wastewater emission standards basically.
Claims (5)
1. low-concentration metallic wastewater treatment unit; It is characterized in that described device is made up of waste water-foam separation system, waste water input system, airing system and waste water pump around circuit system; Wherein waste water-foam separation system is a main body by the separator column of hollow vertical type cylinder body; Be respectively equipped with on the cylindrical sidewall of separator column the waste water input hole of foam outlet orifice, metal ion, up and down two return of waste water IO holes, air input holes and handle after the discharge of wastewater hole; The waste water input system links to each other with separator column through the waste water input hole of metal ion; Airing system links to each other with separator column through the air input hole, and two return of waste water IO holes linked to each other with separator column about waste water pump around circuit system passed through.
2. a kind of low-concentration metallic wastewater treatment unit according to claim 1; It is characterized in that described waste water-foam separation system is made up of separator column, foam output tube, foam receiving tank, processed waste water vent pipe and gas in overpressure release aperture; Release aperture be arranged at separator column on cover; The foam output tube is arranged at the side wall upper part of separator column, and wastewater discharge pipe is arranged at the lower sidewall of separator column, also is provided with waste water highly transparent form on the cylindrical sidewall.
3. a kind of low-concentration metallic wastewater treatment unit according to claim 1; It is characterized in that described waste water input system; Wastewater trough by waste water transfer lime, wastewater flow meter, waste water front pump and metal ion constitutes, and the waste water transfer lime links to each other with separator column through the waste water input hole on the sidewall of separator column.
4. a kind of low-concentration metallic wastewater treatment unit according to claim 1; It is characterized in that described airing system; Constitute by air, pneumatic tube, valve and air distribution plate; Pneumatic tube is provided with valve and links to each other with the air input hole that is arranged at the separator column bottom, and air distribution plate is arranged at the separator column bottom.
5. a kind of low-concentration metallic wastewater treatment unit according to claim 1; It is characterized in that described waste water pump around circuit system; Constitute by waste water circulation transfer lime, waste water circular flow meter and waste water recycle pump, and join through two the return of waste water IO holes up and down in waste water circulation transfer lime and the separator column sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100357611A CN102583686A (en) | 2012-02-16 | 2012-02-16 | Device for treating wastewater containing low-concentration metals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100357611A CN102583686A (en) | 2012-02-16 | 2012-02-16 | Device for treating wastewater containing low-concentration metals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102583686A true CN102583686A (en) | 2012-07-18 |
Family
ID=46473046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100357611A Pending CN102583686A (en) | 2012-02-16 | 2012-02-16 | Device for treating wastewater containing low-concentration metals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102583686A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105481144A (en) * | 2016-01-07 | 2016-04-13 | 陕西理工学院 | Device and method for efficient treatment of copper-containing wastewater |
| CN112607952A (en) * | 2020-12-20 | 2021-04-06 | 新疆轻工职业技术学院 | Treatment process and system for waste water generated in production of chlorinated polyether resin |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1843963A (en) * | 2006-04-30 | 2006-10-11 | 湖南大学 | Method for treating cadmium-containing waste water by intensified ultrafiltration of hollow fiber ultrafiltration membrane and foam floatation |
| JP2007014867A (en) * | 2005-07-06 | 2007-01-25 | Sanyo Electric Co Ltd | Washing water treatment apparatus and washing machine having the same |
| CN101219838A (en) * | 2008-01-25 | 2008-07-16 | 北京交通大学 | Method for processing heavy metal industrial waste water with low concentration |
| CN101879520A (en) * | 2010-02-03 | 2010-11-10 | 王鹤立 | Novel foam separation equipment for restoring heavy metal polluted soil |
| CN202449906U (en) * | 2012-02-16 | 2012-09-26 | 福建师范大学 | Low concentration metal wastewater processing device |
-
2012
- 2012-02-16 CN CN2012100357611A patent/CN102583686A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007014867A (en) * | 2005-07-06 | 2007-01-25 | Sanyo Electric Co Ltd | Washing water treatment apparatus and washing machine having the same |
| CN1843963A (en) * | 2006-04-30 | 2006-10-11 | 湖南大学 | Method for treating cadmium-containing waste water by intensified ultrafiltration of hollow fiber ultrafiltration membrane and foam floatation |
| CN101219838A (en) * | 2008-01-25 | 2008-07-16 | 北京交通大学 | Method for processing heavy metal industrial waste water with low concentration |
| CN101879520A (en) * | 2010-02-03 | 2010-11-10 | 王鹤立 | Novel foam separation equipment for restoring heavy metal polluted soil |
| CN202449906U (en) * | 2012-02-16 | 2012-09-26 | 福建师范大学 | Low concentration metal wastewater processing device |
Non-Patent Citations (1)
| Title |
|---|
| 矫彩山: "间歇式泡沫分离法处理含铬废水", 《水处理技术》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105481144A (en) * | 2016-01-07 | 2016-04-13 | 陕西理工学院 | Device and method for efficient treatment of copper-containing wastewater |
| CN112607952A (en) * | 2020-12-20 | 2021-04-06 | 新疆轻工职业技术学院 | Treatment process and system for waste water generated in production of chlorinated polyether resin |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106186255A (en) | A kind of board-like Magneto separate sewage disposal system | |
| CN201793456U (en) | Oily sewage treatment system | |
| CN102583686A (en) | Device for treating wastewater containing low-concentration metals | |
| CN202449906U (en) | Low concentration metal wastewater processing device | |
| CN104761039B (en) | A kind of association complex processing cadmium wastewater and application process thereof | |
| CN102107965B (en) | Emergency pretreatment system of source water with excessive iron and manganese and treatment method thereof | |
| CN107473340A (en) | A kind of quick Magneto separate sewage disposal system | |
| CN106167267A (en) | A kind of method of boron in separation and Extraction boron-containing solution | |
| CN203320173U (en) | Electroplating wastewater recycling discharge reduction device | |
| CN101913681A (en) | Water treatment oil stain equipment and water treatment process for removing oil stains | |
| CN202643383U (en) | Three-dimensional electrode and electrolysis treatment device with same | |
| CN202700661U (en) | Defoaming system for bauxite mineral separation | |
| CN204434321U (en) | Air flotation pool | |
| CN103395746B (en) | Method for purifying byproduct hydrochloric acid in 3, 4-dichloronitrobenzene production process | |
| CN205856202U (en) | A kind of nickel retracting device | |
| CN205398292U (en) | Chemical reagent waste water treatment cyclic utilization device | |
| CN205934027U (en) | Online filter equipment of steel wire descaling bath | |
| CN202201729U (en) | Device for continuous flow metal waste water treatment | |
| CN205856238U (en) | A kind of device extracting hydrometallurgy heavy metal in waste water | |
| CN204125275U (en) | A kind of environmental-protecting type full-automatic waste water oil removal lifting integrated equipment | |
| CN204563942U (en) | A kind of nanofiltration device processing regenerating softener liquid | |
| CN213141468U (en) | Device system for extracting n-butanol from hydrochloric acid-containing wastewater | |
| CN203333407U (en) | Electroplating wastewater treatment and recycling device | |
| CN101935083B (en) | Dust absorbing device of mixing barrel in automatic wet powdery activated carbon adding equipment | |
| CN207951063U (en) | A kind of manganese sulfate electrolytic waste gas processing system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120718 |