CN205295059U - High -efficient chemical nickel recovery system - Google Patents
High -efficient chemical nickel recovery system Download PDFInfo
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- CN205295059U CN205295059U CN201521106529.8U CN201521106529U CN205295059U CN 205295059 U CN205295059 U CN 205295059U CN 201521106529 U CN201521106529 U CN 201521106529U CN 205295059 U CN205295059 U CN 205295059U
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Abstract
The utility model discloses a high -efficient chemical nickel recovery system, enrichment, desorption regeneration adjust, absorb to nickel ion in the waste water through wasing water nickel ion enrichment device, and the nickeliferous dope of regeneration that obtains mixes getting into nickel catalytic reduction recovery unit jointly and take place catalytic reduction with high enriched tank liquor, the reaction finishes, and reacted low concentration filtrating is retrieved to the nickel powder and the nickel piece that are had metallic luster's white or off -white, gets into filtrating processing apparatus, and the low concentration nickel ion in the filtrating is adsorbed by the resin chelate, the microcosmic salt branch of aquatic, and the processing is retrieved as phosphorus fertilizer resource committee is outer to the evaporation crystallization. The utility model discloses be transformed into metal simple substance attitude to the heavy metal nickel ion of desiring as waste disposal in the waste water, nickel, phosphorus resource among the water separation, the recovery is recycled, avoids the wasting of resources, reduces dangerous discarded object and discharges, has fabulous environmental benefit and economic benefits.
Description
Technical field
This utility model belongs to field of industrial waste water treatment, particularly relates to a kind of efficient chemical nickel recovery system.
Background technology
In recent years, electroless plating technology is used widely in aerospace industry, auto industry, electronics industry, mechanical industry etc., but thing followed pollution problem also highlights day by day, this type of industry production process generally can produce the effluent containing heavy metal ions of higher concentration.
Heavy metal nickel in waste water can not decompose destruction. At present, the processing method being most widely used, principle, is make to be transformed into insoluble nickel ion compound in the nickel ion of dissolved state in waste water, removes from waste water through precipitation and floating, for instance neutralization precipitation method, sulphide precipitation etc. But process by this method, on the one hand, the metal ion contained in water falls as offal treatment, be a kind of wasting of resources; On the other hand, consequent a large amount of danger wastes, still there is serious potential pollution.
Utility model content
The purpose of this utility model is in that to provide a kind of efficient chemical nickel recovery system, it is intended to solve the problem that the processing method of the heavy metal nickel in existing waste water is wasted resource, be there is potential pollution.
This utility model is achieved in that a kind of efficient chemical nickel recovery system includes cleaning water nickel ion enriching apparatus, nickel catalysis reverts back receiving apparatus, filter liquid processing device, system parts;
Described cleaning water nickel ion enriching apparatus includes wastewater collection pond, regulating reservoir, intermediate pool, the first resin absorption tower, the second resin absorption tower, the 3rd resin adsorption tower, the 4th resin absorption tower, the 5th resin absorption tower, the 6th resin absorption tower, the first resin desorption regenerating unit, the second resin desorption regenerating unit, the 3rd resin desorption regenerating unit, the 4th resin desorption regenerating unit, the 5th resin desorption regenerating unit, the 6th resin desorption regenerating unit;
Described nickel catalysis reverts back receiving apparatus and includes dense water collecting pit, tank liquor collecting pit, reduction pre-conditioning unit, one-level reduction apparatus, second-stage reduction device, one stage catalyzing device, two grades of catalytic units, the pre-cryopreservation device of lean solution, lean solutions adjustment device, equipment for separating liquid from solid, cleaning purifying plants;
Described filter liquid processing device includes filtrate collection pond, resin absorption tower, filtrate MVR enrichment facility, condensation water tank, equipment of crystallisation by cooling;
Described system parts includes the connecting line of necessity, electric wire, pumping, agitator, dosing tank, instrument, switch;
Described wastewater collection pond, regulating reservoir, intermediate pool, the first resin absorption tower, the second resin absorption tower, the 3rd resin adsorption tower, the 4th resin absorption tower, the 5th resin absorption tower, the 6th resin absorption tower are sequentially connected with; The 3rd described resin adsorption tower is also connected with intermediate pool; The first described resin desorption regenerating unit and the first resin absorption tower connect, and the second described resin desorption regenerating unit and the second resin absorption tower connect, and the 3rd described resin desorption regenerating unit and the 3rd resin adsorption tower connect; The 4th described resin desorption regenerating unit and the 4th resin absorption tower connect, and the 5th described resin desorption regenerating unit and the 5th resin absorption tower connect, and the 6th described resin desorption regenerating unit and the 6th resin absorption tower connect; It is connected with dense water collecting pit after described the first resin desorption regenerating unit, the second resin desorption regenerating unit, the 3rd resin desorption regenerating unit, the 4th resin desorption regenerating unit, the 5th resin desorption regenerating unit, the 6th resin desorption regenerating unit parallel connection;
Described tank liquor collecting pit, reduction pre-conditioning unit, one-level reduction apparatus, second-stage reduction device, one stage catalyzing device, two grades of catalytic units, the pre-cryopreservation device of lean solution, lean solution regulate device, equipment for separating liquid from solid, cleaning purifying plants are sequentially connected with; Described dense water collecting pit is connected with described reduction pre-conditioning unit, described one stage catalyzing device is connected with one-level reduction apparatus, two grades of described catalytic units are connected with described second-stage reduction device, and described second-stage reduction device is also connected with described cleaning purifying plant; Described cleaning purifying plant also regulates device with lean solution and is connected; Described equipment for separating liquid from solid, filtrate collection pond, resin absorption tower, filtrate MVR enrichment facility, equipment of crystallisation by cooling are sequentially connected with;
Described filtrate MVR enrichment facility is connected with condensation water tank, and condensation water tank is connected with cleaning purifying plant.
Further, clean water nickel ion enriching apparatus to adopt with ion-exchange group, there is cancellated high-molecule chelated adsorbent resin.
Cleaning water nickel ion enriching apparatus in this utility model, what adopt is with ion-exchange group, the processing method with cancellated high-molecular special chelating absorption resin, compared with processing with film, resin regenerating easily, can Reusability, stable effluent quality, it is not necessary to numerous and diverse water quality pretreatment; Extraordinary chelating resin nickel ion adsorption capacity is 150g/L;
Nickel ion enriching apparatus employs 6 groups of resin towers, and being connected by connecting of tower adds the flexible connected mode of circulating reflux, it may be achieved waste water circulation backflow, repeatedly adsorb, and reduces nickel ion and runs off;
Reclaim for changing nickel tank liquor nickel, change into metallic nickel simple substance, under nickel retracting device effect, quickly the nickel ion in solution can be reduced into nikel powder and separate; The catalysis reduced nickel response rate is more than 99%, and white thin piece or Powdered of the metal nickel powder obtained, and purity is more than 97%;
Filter liquid processing device is provided with resin absorption tower, makes the abundant chelating absorption of remaining nickel ion.
This utility model becomes metal simple-substance state the heavy metal nickel ion transit being intended to be used as offal treatment in waste water, separates nickel, phosphor resource in water, recycling, it is to avoid the wasting of resources, reduces danger wastes discharge, has fabulous environmental benefit and economic benefit.
Accompanying drawing explanation
Fig. 1 is the efficient chemical nickel recovery process figure that this utility model embodiment provides;
In figure: 1, wastewater collection pond; 2, regulating reservoir; 3, intermediate pool; 4, the first resin absorption tower; 5, the second resin absorption tower; 6, the 3rd resin adsorption tower; 7, the 4th resin absorption tower; 8, the 5th resin absorption tower; 9, the 6th resin absorption tower; 10, dense water collecting pit; 11, tank liquor collecting pit; 12, reduction pre-conditioning unit; 13, one-level reduction apparatus; 14, second-stage reduction device; 15, the pre-cryopreservation device of lean solution; 16, lean solution regulates device; 17, equipment for separating liquid from solid; 18, purifying plant is cleaned; 19, filtrate collection pond; 20, resin absorption tower; 21, filtrate MVR enrichment facility; 22, condensation water tank; 23, equipment of crystallisation by cooling; 24, the first resin desorption regenerating unit; 25, the second resin desorption regenerating unit; 26, the 3rd resin desorption regenerating unit; 27, the 4th resin desorption regenerating unit; 28, the 5th resin desorption regenerating unit; 29, the 6th resin desorption regenerating unit; 30, one stage catalyzing device; 31, two grades of catalytic units.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described further:
Refer to Fig. 1:
A kind of efficient chemical nickel recovery system includes cleaning water nickel ion enriching apparatus, nickel catalysis reverts back receiving apparatus, filter liquid processing device, system parts;
Described cleaning water nickel ion enriching apparatus includes wastewater collection pond 1, regulating reservoir 2, intermediate pool 3, first resin absorption tower 4, second resin absorption tower 5, 3rd resin adsorption tower 6, 4th resin absorption tower 7, 5th resin absorption tower 8, 6th resin absorption tower 9, first resin desorption regenerating unit 24, second resin desorption regenerating unit 25, 3rd resin desorption regenerating unit 26, 4th resin desorption regenerating unit 27, 5th resin desorption regenerating unit 28, 6th resin desorption regenerating unit 29,
Described nickel catalysis reverts back receiving apparatus and includes dense water collecting pit 10, tank liquor collecting pit 11, reduction pre-conditioning unit 12, one-level reduction apparatus 13, second-stage reduction device 14,30, two grades of catalytic units 31 of one stage catalyzing device, the pre-cryopreservation device 15 of lean solution, lean solution adjustment device 16, equipment for separating liquid from solid 17, cleans purifying plant 18;
Described filter liquid processing device includes filtrate collection pond 19, resin absorption tower 20, filtrate MVR enrichment facility 21, condensation water tank 22, equipment of crystallisation by cooling 23;
Described system parts includes the connecting line of necessity, electric wire, pumping, agitator, dosing tank, instrument, switch, and above facility all adopts antiseptic and rustproof design;
Described wastewater collection pond 1, regulating reservoir 2, intermediate pool the 3, first resin absorption tower the 4, second resin absorption tower the 5, the 3rd resin adsorption tower the 6, the 4th resin absorption tower the 7, the 5th resin absorption tower the 8, the 6th resin absorption tower 9 are sequentially connected with; The 3rd described resin adsorption tower 6 is also connected with intermediate pool 3; The first described resin desorption regenerating unit 24 is connected with the first resin absorption tower 4, and the second described resin desorption regenerating unit 25 is connected with the second resin absorption tower 5, and the 3rd described resin desorption regenerating unit 26 is connected with the 3rd resin adsorption tower 6; The 4th described resin desorption regenerating unit 27 is connected with the 4th resin absorption tower 7, and the 5th described resin desorption regenerating unit 28 is connected with the 5th resin absorption tower 8, and the 6th described resin desorption regenerating unit 29 is connected with the 6th resin absorption tower 9;It is connected with dense water collecting pit 10 after first described resin desorption regenerating unit the 24, second resin desorption regenerating unit the 25, the 3rd resin desorption regenerating unit the 26, the 4th resin desorption regenerating unit the 27, the 5th resin desorption regenerating unit the 28, the 6th resin desorption regenerating unit 29 parallel connection;
Described tank liquor collecting pit 11, reduction pre-conditioning unit 12, one-level reduction apparatus 13, second-stage reduction device 14,30, two grades of catalytic units 31 of one stage catalyzing device, the pre-cryopreservation device 15 of lean solution, lean solution regulate device 16, equipment for separating liquid from solid 17, cleans purifying plant 18 is sequentially connected with; Described dense water collecting pit is connected with described reduction pre-conditioning unit 12, described one stage catalyzing device 30 is connected with one-level reduction apparatus 13, two grades of described catalytic units 31 are connected with described second-stage reduction device 14, and described second-stage reduction device 14 is also connected with described cleaning purifying plant 18; Described cleaning purifying plant 18 also regulates device 16 with lean solution and is connected; Described equipment for separating liquid from solid 17, filtrate collection pond 19, resin absorption tower 20, filtrate MVR enrichment facility 21, equipment of crystallisation by cooling 23 are sequentially connected with;
Described filtrate MVR enrichment facility 21 is connected with condensation water tank 22, and condensation water tank 22 is connected with cleaning purifying plant 18.
Another object of the present utility model is in that to provide a kind of efficient chemical nickel recovery method, nickel ion in waste water is through cleaning the adjustment of water nickel ion enriching apparatus, absorbing enrichment, desorption and regeneration, the nickeliferous dope of regeneration obtained, mixes with highly concentrated tank liquor and common enter nickel catalysis and revert back receiving apparatus and carry out catalysis reduction:
Reaction terminates, and obtains having the white of metallic luster or linen nikel powder and nickel sheet, reclaims reacted low concentration filtrate, entering filter liquid processing device, the low concentration nickel ion in filtrate is adsorbed by resin chelating, and the microcosmic salt in water divides, evaporative crystallization, as the outer recycling disposal of phosphate fertilizer resource committee.
Further, the concrete grammar of described efficient chemical nickel recovery method includes:
Clean the enrichment of water nickel:
Electroplate nickeliferous cleaning waste water in wastewater collection pond 1, carry out water quality by aeration to mix well, regulating reservoir 2 is delivered to by elevator pump, by stirring, medicament, PH meter, ORP meter, water quality is regulated and controled, it is then passed through intermediate pool 3, adsorbed by first resin absorption tower the 4, second resin absorption tower the 5, the 3rd resin adsorption tower the 6, the 4th resin absorption tower the 7, the 5th resin absorption tower the 8, the 6th resin absorption tower 9 again, circulate through intermediate pool, filtrate nickel content < 0.1ppm, reach discharge standard, enter existing Sewage Disposal advanced treating;
Resin tower adopts series connection to add the flexible connected mode of circulating reflux, connection can realize repeatedly circulating reflux absorption, in tower, resin is extraordinary chelating resin, nickel ion adsorption capacity is 150g/L, resin is irregularly at the first resin desorption regenerating unit 24, second resin desorption regenerating unit 25, 3rd resin desorption regenerating unit 26, 4th resin desorption regenerating unit 27, 5th resin desorption regenerating unit 28, the 6th inner regeneration of resin desorption regenerating unit 29, nickel ion eluting by absorption, regenerate nickeliferous dope and enter dense water collecting pit 10, then enter the reduction pre-conditioning unit 12 of nickel reclaimer, it is ready for nickel recycling,
Nickel catalysis reduction is reclaimed:
Useless tank liquor is discharged into tank liquor collecting pit 11, the nickeliferous dope of regeneration with the collection of dense water collecting pit 10, the reduction pre-conditioning unit 12 of nickel reclaimer is entered under the effect of elevator pump, at medicament, agitator, thermometer, PH counts, ORP meter controls lower adjustment, subsequently into entering one-level reduction apparatus 13 in nickel reclaimer, second-stage reduction device 14, at one stage catalyzing device 30, under the combined effect of two grades of catalytic units 31, reclaim through two-stage reductive, the nickel ion in solution is made to be transformed into nickel simple substance, after two-stage reductive reaction terminates, take out the nikel powder being obtained by reacting, nickel sheet, clean to cleaning in purifying plant 18,
Useless tank liquor is after nickel reclaims, residue lean solution is put to the pre-cryopreservation device 15 of lean solution, regulate device 16 then through lean solution to regulate, it is dispersed in lean solution with part metals nikel powder, process then through equipment for separating liquid from solid 17, the solid nickel metal dust obtained, through cleaning purifying plant 18, reclaims and obtains metallic nickel;
Filtrate processes:
Through the liquid of solid-liquid separation in filtrate collection pond 19, containing substantial amounts of phosphate in waste water, owing to salinity is high, to this portion filtrate, enter resin absorption tower 20, filtrate MVR enrichment facility 21 concentrates further, makes salt concentration to saturated, enters equipment of crystallisation by cooling 23, form crystal, use as phosphate fertilizer;
Filtrate is evaporated through system hypothermia, and salt belongs to not easily volatile substance, is moisture at low-temperature evaporation material out, entering condensation water tank 22, then in water tank, condensed water is used for cleaning the nikel powder obtained, and cleans washing lower part metal dust, return again to lean solution and regulate in device 16, circular treatment.
Cleaning water nickel ion enriching apparatus in this utility model, what adopt is with ion-exchange group, the processing method with cancellated high-molecular special chelating absorption resin, compared with processing with film, resin regenerating easily, can Reusability, stable effluent quality, it is not necessary to numerous and diverse water quality pretreatment; Extraordinary chelating resin nickel ion adsorption capacity is 150g/L;
Nickel ion enriching apparatus employs 6 groups of resin towers, and being connected by connecting of tower adds the flexible connected mode of circulating reflux, it may be achieved waste water circulation backflow, repeatedly adsorb, and reduces nickel ion and runs off;
Reclaim for changing nickel tank liquor nickel, change into metallic nickel simple substance, under nickel retracting device effect, quickly the nickel ion in solution can be reduced into nikel powder and separate; The catalysis reduced nickel response rate is more than 99%, and white thin piece or Powdered of the metal nickel powder obtained, and purity is more than 97%;
Filter liquid processing device is provided with resin absorption tower, makes the abundant chelating absorption of remaining nickel ion.
This utility model becomes metal simple-substance state the heavy metal nickel ion transit being intended to be used as offal treatment in waste water, separates nickel, phosphor resource in water, recycling, it is to avoid the wasting of resources, reduces danger wastes discharge, has fabulous environmental benefit and economic benefit.
Utilize technical scheme described in the utility model, or those skilled in the art is under the inspiration of technical solutions of the utility model, design similar technical scheme, and reach above-mentioned technique effect, all fall into protection domain of the present utility model.
Claims (2)
1. an efficient chemical nickel recovery system, it is characterised in that include cleaning water nickel ion enriching apparatus, nickel catalysis reverts back receiving apparatus, filter liquid processing device, system parts;
Described cleaning water nickel ion enriching apparatus includes wastewater collection pond, regulating reservoir, intermediate pool, the first resin absorption tower, the second resin absorption tower, the 3rd resin adsorption tower, the 4th resin absorption tower, the 5th resin absorption tower, the 6th resin absorption tower, the first resin desorption regenerating unit, the second resin desorption regenerating unit, the 3rd resin desorption regenerating unit, the 4th resin desorption regenerating unit, the 5th resin desorption regenerating unit, the 6th resin desorption regenerating unit;
Described nickel catalysis reverts back receiving apparatus and includes dense water collecting pit, tank liquor collecting pit, reduction pre-conditioning unit, one-level reduction apparatus, second-stage reduction device, one stage catalyzing device, two grades of catalytic units, the pre-cryopreservation device of lean solution, lean solutions adjustment device, equipment for separating liquid from solid, cleaning purifying plants;
Described filter liquid processing device includes filtrate collection pond, resin absorption tower, filtrate MVR enrichment facility, condensation water tank, equipment of crystallisation by cooling;
Described system parts includes the connecting line of necessity, electric wire, pumping, agitator, dosing tank, instrument, switch;
Described wastewater collection pond, regulating reservoir, intermediate pool, the first resin absorption tower, the second resin absorption tower, the 3rd resin adsorption tower, the 4th resin absorption tower, the 5th resin absorption tower, the 6th resin absorption tower are sequentially connected with; The 3rd described resin adsorption tower is also connected with intermediate pool; The first described resin desorption regenerating unit and the first resin absorption tower connect, and the second described resin desorption regenerating unit and the second resin absorption tower connect, and the 3rd described resin desorption regenerating unit and the 3rd resin adsorption tower connect; The 4th described resin desorption regenerating unit and the 4th resin absorption tower connect, and the 5th described resin desorption regenerating unit and the 5th resin absorption tower connect, and the 6th described resin desorption regenerating unit and the 6th resin absorption tower connect; It is connected with dense water collecting pit after described the first resin desorption regenerating unit, the second resin desorption regenerating unit, the 3rd resin desorption regenerating unit, the 4th resin desorption regenerating unit, the 5th resin desorption regenerating unit, the 6th resin desorption regenerating unit parallel connection;
Described tank liquor collecting pit, reduction pre-conditioning unit, one-level reduction apparatus, second-stage reduction device, one stage catalyzing device, two grades of catalytic units, the pre-cryopreservation device of lean solution, lean solution regulate device, equipment for separating liquid from solid, cleaning purifying plants are sequentially connected with; Described dense water collecting pit is connected with described reduction pre-conditioning unit, described one stage catalyzing device is connected with one-level reduction apparatus, two grades of described catalytic units are connected with described second-stage reduction device, and described second-stage reduction device is also connected with described cleaning purifying plant; Described cleaning purifying plant also regulates device with lean solution and is connected; Described equipment for separating liquid from solid, filtrate collection pond, resin absorption tower, filtrate MVR enrichment facility, equipment of crystallisation by cooling are sequentially connected with;
Described filtrate MVR enrichment facility is connected with condensation water tank, and condensation water tank is connected with cleaning purifying plant.
2. efficient chemical nickel recovery system as claimed in claim 1, it is characterised in that clean water nickel ion enriching apparatus and adopt with ion-exchange group, there is cancellated high-molecule chelated adsorbent resin.
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| CN201521106529.8U CN205295059U (en) | 2015-12-24 | 2015-12-24 | High -efficient chemical nickel recovery system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105384298A (en) * | 2015-12-24 | 2016-03-09 | 苏州国昆裕重金属处理技术有限公司 | Efficient chemical nickel recovery system and method |
| CN107235600A (en) * | 2017-06-14 | 2017-10-10 | 广东益诺欧环保股份有限公司 | A kind of electroplating effluent treatment method, processing system and application |
| WO2019037421A1 (en) * | 2017-08-24 | 2019-02-28 | 南京大学 | Selective separation and comprehensive recovery method for nickel in alkali chemical nickel waste water |
-
2015
- 2015-12-24 CN CN201521106529.8U patent/CN205295059U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105384298A (en) * | 2015-12-24 | 2016-03-09 | 苏州国昆裕重金属处理技术有限公司 | Efficient chemical nickel recovery system and method |
| CN105384298B (en) * | 2015-12-24 | 2018-02-02 | 苏州国昆裕重金属处理技术有限公司 | A kind of efficient chemical nickel recovery system and method |
| CN107235600A (en) * | 2017-06-14 | 2017-10-10 | 广东益诺欧环保股份有限公司 | A kind of electroplating effluent treatment method, processing system and application |
| WO2019037421A1 (en) * | 2017-08-24 | 2019-02-28 | 南京大学 | Selective separation and comprehensive recovery method for nickel in alkali chemical nickel waste water |
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