CN104512870A - Reuse apparatus and reuse method for waste nitric acid generated in process of hooking and removing heavy metals by using electroplating hanger - Google Patents
Reuse apparatus and reuse method for waste nitric acid generated in process of hooking and removing heavy metals by using electroplating hanger Download PDFInfo
- Publication number
- CN104512870A CN104512870A CN201310458916.7A CN201310458916A CN104512870A CN 104512870 A CN104512870 A CN 104512870A CN 201310458916 A CN201310458916 A CN 201310458916A CN 104512870 A CN104512870 A CN 104512870A
- Authority
- CN
- China
- Prior art keywords
- nitric acid
- liquid
- reactor
- waste nitric
- motor
- 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.)
- Granted
Links
Abstract
The invention discloses a reuse apparatus and a reuse method for waste nitric acid generated in a process of hooking and removing heavy metals by using an electroplating hanger. The reuse apparatus comprises a support, and a reaction kettle, a spin-drying device and a distillation kettle arranged on the support; and the reaction kettle is inside provided with a stirring device. The stirring device is utilized to stir waste nitric acid containing heavy metals and sulfuric acid in the reaction kettle so that heavy metals (copper nitrate and nickel nitrate) in waste nitric acid are fully mixed with sulfuric acid for reaction and heating is uniform, and thus explosion caused by nonuniform heating is effectively avoided; and the spin-drying device is utilized to perform spin-drying on precipitate, the distillation kettle is cooperatively utilized for distilling a liquid, and a cooling device is utilized for cooling steam, and thus a pure nitric acid liquid is recovered. The whole recovery utilization process is automatically performed without manual intervention, manpower consumption is reduced, the whole reuse apparatus is low in cost, the recovery processing cost is extremely low, safety hidden trouble is completely eradicated, and also energy saving and emission reduction are facilitated, resource is reutilized, and benefit is brought to mankind.
Description
Technical field
The present invention relates to waste nitric acid equipment for reclaiming and method art, refer in particular to a kind of Electropolating hangers and hook removing heavy-metal waste nitric acid reclamation set and reuse method.
Background technology
Nitric acid is one of chemical article commonly used in industrial production, according to incompletely statistics, the waste nitric acid number that medium relative Electroplate Factory more industrial city produces every day, in hundred tons, wherein hooks removing heavy-metal for Electropolating hangers and produces waste nitric acid and occupy greatly.
But, at present, for the waste nitric acid produced, general reuse enterprise this is just added to alkali or simple recycling done by lime, then directly toward extraneous discharge, so both wasted resource (comprising nitric acid, alkali or lime), and caused again a large amount of azotate pollutions environment, do not meet the requirement of current energy-saving and emission-reduction.
Summary of the invention
In view of this, the present invention is directed to the disappearance of prior art existence, its main purpose is to provide a kind of Electropolating hangers and hooks removing heavy-metal waste nitric acid reclamation set and reuse method, and it effectively can solve existing employing manual operation and reclaim waste nitric acid labor intensive and the problem that there is larger potential safety hazard
For achieving the above object, the present invention adopts following technical scheme:
A kind of Electropolating hangers hooks removing heavy-metal waste nitric acid reclamation set, includes support and is arranged at reactor, spin-drying device and the still kettle on support; This reactor has opening for feed, material-feeding port, liquid outlet, uses input aperture and throw out delivery port again, is provided with whipping appts in this reactor; This still kettle has liquid inlet, uses delivery port and steam outlet again, aforementioned liquids delivery port is by the first pipeline communication liquid inlet, this first pipeline is provided with the first electric-motor pump, this to be communicated with by second pipe with delivery port again uses input aperture again, this second pipe is provided with the second electric-motor pump, this steam outlet has a nitric acid collection container by the 3rd pipeline communication, and the 3rd pipeline is outside equipped with refrigerating unit; The input aperture of this spin-drying device is communicated with said deposits delivery port, spin-drying device throw away liquid delivery port by the 4th pipeline communication aforementioned liquids input aperture, the 4th pipeline is provided with the 3rd electric-motor pump.
Preferably, described first electric-motor pump, the second electric-motor pump and the 3rd electric-motor pump are acid and alkali-resistance electric-motor pump.
Preferably, described reactor and still kettle are single-glass still; Described opening for feed, material-feeding port, liquid outlet, again with input aperture, throw out delivery port, liquid inlet, be screw socket with delivery port and steam outlet again.
Preferably, the stirring rake that described whipping appts includes motor and rotated by driven by motor, on the output shaft that stirring rake is installed on motor and stirring rake is positioned at reactor, this motor is fixed on support.
A kind of Electropolating hangers hooks removing heavy-metal waste nitric acid reuse method, adopts aforementioned Electropolating hangers to hook removing heavy-metal waste nitric acid reclamation set, includes following steps:
(1) waste nitric acid containing heavy metal is joined in reactor from opening for feed;
(2) in reactor, sulfuric acid is added by material-feeding port, start whipping appts simultaneously, whipping appts is utilized ceaselessly to stir containing heavy metal waste nitric acid and sulfuric acid, make the heavy metal in waste nitric acid and the abundant hybrid reaction of sulfuric acid, after abundant hybrid reaction, in reactor, form liquid and throw out;
(3) liquid exports from liquid outlet and inputs in still kettle by the first pipeline under the effect of the first motor-mount pump, and throw out is sunken to the inner bottom part of reactor, throw out exports spin-drying device to by throw out delivery port, spin-drying device dries throw out, and the liquid thrown away inputs in still kettle by the 4th pipeline under the effect of the 3rd motor-mount pump;
(4) liquid distills in still kettle, and the nitric acid vapor of generation enters the 3rd pipeline from steam outlet, and under the effect of refrigerating unit, nitric acid vapor becomes nitric acid liquid, and nitric acid liquid flow in nitric acid collection container and can obtain pure nitric acid liquid.
Preferably, in still-process, still kettle can produce and gather throw out, and throw out is by exporting with delivery port and carry out recycling processing through defeated being back in reactor of second pipe under the effect of the second motor-mount pump.
Preferably, described sulfuric acid is electronic-grade sulfuric acid.
Preferably, described sulfuric acid is 1:3 with the mass ratio of the waste nitric acid containing heavy metal.
The present invention compared with prior art has obvious advantage and beneficial effect, specifically, as shown from the above technical solution:
By utilizing whipping appts, the waste nitric acid containing heavy metal in reactor and sulfuric acid are stirred, make the heavy metal in waste nitric acid (cupric nitrate and nickelous nitrate) and the abundant hybrid reaction of sulfuric acid, be heated evenly, effectively prevent owing to being heated uneven and blast, and utilize spin-drying device to dry throw out, coordinating utilizes still kettle to distill liquid, utilize refrigerating unit to cool steam simultaneously and reclaim and obtain pure nitric acid liquid, the process of whole recycling process automation, without the need to artificial participation, decrease manpower to expend, whole reclamation set cost is low, recycling cost is also very low, and stopped potential safety hazard, also be beneficial to energy-saving and emission-reduction simultaneously, resource is used again, promote the well-being of mankind.
For more clearly setting forth constitutional features of the present invention and effect, below in conjunction with accompanying drawing and specific embodiment, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the structural representation of the preferred embodiment of the present invention.
Accompanying drawing identifier declaration:
10, support 20, reactor
21, opening for feed 22, material-feeding port
23, liquid outlet 24, use input aperture again
25, throw out delivery port 30, spin-drying device
40, still kettle 41, liquid inlet
42, delivery port 43, steam outlet is used again
50, whipping appts 51, motor
52, stirring rake 61, first pipeline
62, second pipe 63, the 3rd pipeline
64, the 4th pipeline 71, first electric-motor pump
72, the second electric-motor pump 73, the 3rd electric-motor pump
80, nitric acid collection container 90, refrigerating unit
Embodiment
Please refer to shown in Fig. 1, that show the concrete structure of the preferred embodiment of the present invention, include support 10 and be arranged at reactor 20, spin-drying device 30 and the still kettle 40 on support 10.
Wherein, this reactor 20 contains waste nitric acid and the sulfuric acid of heavy metal for splendid attire, this reactor 20 is glass kettle, it has very strong resistance to acids and bases, this reactor 20 has opening for feed 21, material-feeding port 22, liquid outlet 23, uses input aperture 24 and throw out delivery port 25 again, whipping appts 50 is provided with in this reactor 20, specifically, this whipping appts 50 includes motor 51 and is driven the stirring rake 52 of rotation by motor 51, on the output shaft that stirring rake 52 is installed on motor 51 and stirring rake 52 is positioned at reactor 20, this motor 51 is fixed on support 10.
This still kettle 40 is glass kettle, it is for carrying liquid, and liquid is distilled, it has very strong resistance to acids and bases, this still kettle 40 has liquid inlet 41, use delivery port 42 and steam outlet 43 again, aforementioned liquids delivery port 23 is communicated with liquid inlet 41 by the first pipeline 61, this first pipeline 61 is provided with the first electric-motor pump 71, this to be communicated with by second pipe 62 with delivery port 42 again uses input aperture 24 again, this second pipe 62 is provided with the second electric-motor pump 72, this steam outlet 43 is communicated with a nitric acid collection container 80 by the 3rd pipeline 63, 3rd pipeline 63 is outside equipped with refrigerating unit 90.
This spin-drying device 30 obtains solid and throws away liquid for drying throw out, the input aperture of this spin-drying device 30 is communicated with said deposits delivery port 25, the liquid delivery port that throws away of spin-drying device 30 is communicated with on the pipeline 64 of aforementioned liquids input aperture the 41, four by the 4th pipeline 64 and is provided with the 3rd electric-motor pump 73.
And this first electric-motor pump 71, second electric-motor pump 72 and the 3rd electric-motor pump 73 are acid and alkali-resistance electric-motor pump.And, this opening for feed 21, material-feeding port 22, liquid outlet 23, again with input aperture 24, throw out delivery port 25, liquid inlet 41, be screw socket with delivery port 42 and steam outlet 43 again, can effectively slow down acid and alkali corrosion speed, ensure the stopping property connected.
The present embodiment Electropolating hangers hook removing heavy-metal waste nitric acid reuse method is described in detail in detail as follows:
First, waste nitric acid containing heavy metal is joined in reactor 20 from opening for feed 21, then in reactor 20, sulfuric acid is added by material-feeding port 22, take electronic-grade sulfuric acid as the best, and sulfuric acid is preferably 1:3 with the mass ratio of the waste nitric acid containing heavy metal, start whipping appts 50 simultaneously, motor 51 is made to drive stirring rake 52, stirring rake 52 is utilized ceaselessly to stir containing heavy metal waste nitric acid and sulfuric acid, make the heavy metal in waste nitric acid (cupric nitrate and nickelous nitrate) and the abundant hybrid reaction of sulfuric acid, after abundant hybrid reaction, liquid and throw out is formed in reactor 20, liquid exports from liquid outlet 23 and inputs in still kettle 40 by the first pipeline 61 under the effect of the first motor-mount pump 71, and throw out is sunken to the inner bottom part of reactor 20, throw out exports spin-drying device 30 to by throw out delivery port 25, spin-drying device 30 pairs of throw outs dry, the liquid thrown away is inputed in still kettle 40 by the 4th pipeline 64 under the effect of the 3rd motor-mount pump 73.Liquid distills in still kettle 40, the nitric acid vapor produced enters the 3rd pipeline 63 from steam outlet 43, under the effect of refrigerating unit 90, nitric acid vapor becomes nitric acid liquid, and nitric acid liquid flow in nitric acid collection container 80 can obtain pure nitric acid liquid.In still-process, still kettle 40 can produce and gather throw out, and throw out is by exporting with delivery port 42 and carry out recycling processing through defeated being back in reactor 20 of second pipe 62 under the effect of the second motor-mount pump 72.
Design focal point of the present invention is: stir the waste nitric acid containing heavy metal in reactor and sulfuric acid by utilizing whipping appts, make the heavy metal in waste nitric acid (cupric nitrate and nickelous nitrate) and the abundant hybrid reaction of sulfuric acid, be heated evenly, effectively prevent owing to being heated uneven and blast, and utilize spin-drying device to dry throw out, coordinating utilizes still kettle to distill liquid, utilize refrigerating unit to cool steam simultaneously and reclaim and obtain pure nitric acid liquid, the process of whole recycling process automation, without the need to artificial participation, decrease manpower to expend, whole reclamation set cost is low, recycling cost is also very low, and stopped potential safety hazard, also be beneficial to energy-saving and emission-reduction simultaneously, resource is used again, promote the well-being of mankind.
Below know-why of the present invention is described in conjunction with specific embodiments.These describe just in order to explain principle of the present invention, and can not be interpreted as limiting the scope of the invention by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, and these modes all will fall within protection scope of the present invention.
Claims (8)
1. Electropolating hangers hooks a removing heavy-metal waste nitric acid reclamation set, it is characterized in that: include support and be arranged at reactor, spin-drying device and the still kettle on support; This reactor has opening for feed, material-feeding port, liquid outlet, uses input aperture and throw out delivery port again, is provided with whipping appts in this reactor; This still kettle has liquid inlet, uses delivery port and steam outlet again, aforementioned liquids delivery port is by the first pipeline communication liquid inlet, this first pipeline is provided with the first electric-motor pump, this to be communicated with by second pipe with delivery port again uses input aperture again, this second pipe is provided with the second electric-motor pump, this steam outlet has a nitric acid collection container by the 3rd pipeline communication, and the 3rd pipeline is outside equipped with refrigerating unit; The input aperture of this spin-drying device is communicated with said deposits delivery port, spin-drying device throw away liquid delivery port by the 4th pipeline communication aforementioned liquids input aperture, the 4th pipeline is provided with the 3rd electric-motor pump.
2. Electropolating hangers as claimed in claim 1 hooks removing heavy-metal waste nitric acid reclamation set, it is characterized in that: described first electric-motor pump, the second electric-motor pump and the 3rd electric-motor pump are acid and alkali-resistance electric-motor pump.
3. Electropolating hangers as claimed in claim 1 hooks removing heavy-metal waste nitric acid reclamation set, it is characterized in that: described reactor and still kettle are single-glass still; Described opening for feed, material-feeding port, liquid outlet, again with input aperture, throw out delivery port, liquid inlet, be screw socket with delivery port and steam outlet again.
4. Electropolating hangers as claimed in claim 1 hooks removing heavy-metal waste nitric acid reclamation set, it is characterized in that: the stirring rake that described whipping appts includes motor and rotated by driven by motor, on the output shaft that stirring rake is installed on motor and stirring rake is positioned at reactor, this motor is fixed on support.
5. Electropolating hangers hooks a removing heavy-metal waste nitric acid reuse method, it is characterized in that: adopt the Electropolating hangers as described in any one of Claims 1-4 to hook removing heavy-metal waste nitric acid reclamation set, include following steps:
(1) waste nitric acid containing heavy metal is joined in reactor from opening for feed;
(2) in reactor, sulfuric acid is added by material-feeding port, start whipping appts simultaneously, whipping appts is utilized ceaselessly to stir containing heavy metal waste nitric acid and sulfuric acid, make the heavy metal in waste nitric acid and the abundant hybrid reaction of sulfuric acid, after abundant hybrid reaction, in reactor, form liquid and throw out;
(3) liquid exports from liquid outlet and inputs in still kettle by the first pipeline under the effect of the first motor-mount pump, and throw out is sunken to the inner bottom part of reactor, throw out exports spin-drying device to by throw out delivery port, spin-drying device dries throw out, and the liquid thrown away inputs in still kettle by the 4th pipeline under the effect of the 3rd motor-mount pump;
(4) liquid distills in still kettle, and the nitric acid vapor of generation enters the 3rd pipeline from steam outlet, and under the effect of refrigerating unit, nitric acid vapor becomes nitric acid liquid, and nitric acid liquid flow in nitric acid collection container and can obtain pure nitric acid liquid.
6. Electropolating hangers as claimed in claim 5 hooks removing heavy-metal waste nitric acid reuse method, it is characterized in that: in still-process, still kettle can produce and gather throw out, and throw out is by exporting with delivery port and carry out recycling processing through defeated being back in reactor of second pipe under the effect of the second motor-mount pump.
7. Electropolating hangers as claimed in claim 5 hooks removing heavy-metal waste nitric acid reuse method, it is characterized in that: described sulfuric acid is electronic-grade sulfuric acid.
8. Electropolating hangers as claimed in claim 5 hooks removing heavy-metal waste nitric acid reuse method, it is characterized in that: described sulfuric acid is 1:3-2:5 with the mass ratio of the waste nitric acid containing heavy metal, such one is contribute to waste nitric acid distillation reuse, and two is may be used for heavy metal precipitation reuse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310458916.7A CN104512870B (en) | 2013-10-07 | 2013-10-07 | Electropolating hangers hooks removing heavy-metal waste nitric acid reclamation set and reuse method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310458916.7A CN104512870B (en) | 2013-10-07 | 2013-10-07 | Electropolating hangers hooks removing heavy-metal waste nitric acid reclamation set and reuse method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104512870A true CN104512870A (en) | 2015-04-15 |
| CN104512870B CN104512870B (en) | 2016-08-10 |
Family
ID=52788793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310458916.7A Active CN104512870B (en) | 2013-10-07 | 2013-10-07 | Electropolating hangers hooks removing heavy-metal waste nitric acid reclamation set and reuse method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104512870B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106853999A (en) * | 2016-12-21 | 2017-06-16 | 怀化恒安石化有限公司 | A kind of method of utilization ABS platings metal charge production high pure nitric acid nickel and copper powder |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4255407A (en) * | 1978-12-07 | 1981-03-10 | Oy W. Rosenlaw Ab | Method for the regeneration of pickling acids |
| CN101787537A (en) * | 2009-12-11 | 2010-07-28 | 北京天泰兴工程科技有限公司 | Method for recovering waste nitric-hydrofluoric acid from stainless steel annealing-pickling by micro- and negative-pressure evaporation and crystallization processes |
| CN102660751A (en) * | 2012-04-28 | 2012-09-12 | 浙江大学 | Resourceful treating method and resourceful treating device for metal pickling effluent |
| CN102730891A (en) * | 2012-08-02 | 2012-10-17 | 华夏新资源有限公司 | System for cyclically utilizing nitric acid in wet process of surface treatment |
| CN103172214A (en) * | 2013-04-09 | 2013-06-26 | 昆山市台鑫五金厂 | Regeneration process and regeneration device for heavy metal containing nitric acid waste liquor |
| CN203529937U (en) * | 2013-10-07 | 2014-04-09 | 东莞市东旺化玻仪器有限公司 | Device for reusing waste nitric acid generated in hanger plating |
-
2013
- 2013-10-07 CN CN201310458916.7A patent/CN104512870B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4255407A (en) * | 1978-12-07 | 1981-03-10 | Oy W. Rosenlaw Ab | Method for the regeneration of pickling acids |
| CN101787537A (en) * | 2009-12-11 | 2010-07-28 | 北京天泰兴工程科技有限公司 | Method for recovering waste nitric-hydrofluoric acid from stainless steel annealing-pickling by micro- and negative-pressure evaporation and crystallization processes |
| CN102660751A (en) * | 2012-04-28 | 2012-09-12 | 浙江大学 | Resourceful treating method and resourceful treating device for metal pickling effluent |
| CN102730891A (en) * | 2012-08-02 | 2012-10-17 | 华夏新资源有限公司 | System for cyclically utilizing nitric acid in wet process of surface treatment |
| CN103172214A (en) * | 2013-04-09 | 2013-06-26 | 昆山市台鑫五金厂 | Regeneration process and regeneration device for heavy metal containing nitric acid waste liquor |
| CN203529937U (en) * | 2013-10-07 | 2014-04-09 | 东莞市东旺化玻仪器有限公司 | Device for reusing waste nitric acid generated in hanger plating |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106853999A (en) * | 2016-12-21 | 2017-06-16 | 怀化恒安石化有限公司 | A kind of method of utilization ABS platings metal charge production high pure nitric acid nickel and copper powder |
| CN106853999B (en) * | 2016-12-21 | 2018-04-10 | 怀化恒安石化有限公司 | A kind of method using ABS plating metal charge production high pure nitric acid nickel and copper powder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104512870B (en) | 2016-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102534656B (en) | Process for recycling copper through electrodeposition by treating scrap copper materials by adopting cyclone electrolysis technology | |
| CN102897747B (en) | Carbon nanotube purification system | |
| CN101570316A (en) | Method and device for refining and recycling hydrochloric acid from hydrochloric acid pickling waste liquid | |
| CN104512870A (en) | Reuse apparatus and reuse method for waste nitric acid generated in process of hooking and removing heavy metals by using electroplating hanger | |
| CN203529937U (en) | Device for reusing waste nitric acid generated in hanger plating | |
| CN204107397U (en) | A kind of constant speed constant temperature stirred tank with device for recycling exhaust gas | |
| CN103432932A (en) | Device and method for enriching and separating fluorine-containing polymer emulsion | |
| CN206337092U (en) | Ground descaling device | |
| CN209885290U (en) | Impurity removal device for rare earth extraction | |
| CN102649041A (en) | Reaction kettle | |
| CN210438666U (en) | Secondary cooling crystallization device | |
| CN202909718U (en) | Special polymer flash vaporization and precipitation kettle | |
| CN202898040U (en) | Carbon nanotube purification system adopting ultrasonic washer to wash slurry | |
| CN206661184U (en) | A kind of chliorinated polyvinyl chloride production consersion unit | |
| CN210058106U (en) | Waste gas recycling system for feed production | |
| CN204714901U (en) | A kind of can the desuperheat groove cooling tube of fast cooling | |
| CN217120214U (en) | Plant oil base amide methyl ethanolamine apparatus for producing | |
| CN110368878A (en) | A kind of gas liquid phase reactor being used to prepare sulphite | |
| CN204320173U (en) | slurry stirring barrel | |
| CN208454513U (en) | A kind of ice crystal purification system | |
| CN204752853U (en) | Cool off cooling device of etching solution recovery processing equipment fast | |
| CN210934644U (en) | A lye tank for producing high temperature resistant starch | |
| CN216191331U (en) | Particulate matter dissolving device | |
| CN220531190U (en) | Tail gas treatment device for chemical vapor deposition furnace | |
| CN108998678A (en) | Secondary lead smelting lead skim comprehensive recovering process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170309 Address after: 523000 Guangdong Port Road, Dongguan (Sha Tianduan) Dongguan bonded logistics center, bonded building, building 506A, 5 Patentee after: Dongguan Reed Environmental Protection Technology Co., Ltd. Address before: 523000 Guangdong Province, Dongguan city Changan town Xiabian Zhen'an Silver City Industrial Zone West No. 166-168 Patentee before: DONGGUAN DONG WANG OF GLASS INSTRUMENT CO., LTD. |
|
| TR01 | Transfer of patent right |