CN205974081U - Useless tin water processing system that moves back - Google Patents
Useless tin water processing system that moves back Download PDFInfo
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- CN205974081U CN205974081U CN201620836755.XU CN201620836755U CN205974081U CN 205974081 U CN205974081 U CN 205974081U CN 201620836755 U CN201620836755 U CN 201620836755U CN 205974081 U CN205974081 U CN 205974081U
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Abstract
The utility model is suitable for an etching composition's regeneration field provides an useless tin water processing system that moves back, including be used for collecting useless move back xi shui useless tin water collection device moves back, be used for to the useless xishui of moving back who collects chemical treatment's mixing arrangement carries out and be used for with useless solid that xi shui produced behind chemical treatment and the liquid of moving back carries out the separator that separates, useless tin water processing system that moves back is still including being used for allocating the separating agent, will the separating agent adds to with the separating agent blending device that produces copper tin precipitate and regeneration liquid among the mixing arrangement, be used for collecting the copper tin collection device of copper, tin precipitate and be used for right regeneration liquid carries out the component adjustment to what xi shui was moved back in the preparation moves back tin water regenerating unit. The utility model provides an useless tin water processing system that moves back not only has advantages such as simple structure, with low costs, easy to operate to possible zero release has been accomplished to recycle to the resource.
Description
Technical field
This utility model belongs to the regeneration field of etch combination, more particularly, to a kind of waste tin stripper processing system.
Background technology
In recent years, PCB and related industry quickly grew, because of production technology in the industry such as electronics and information industry and plating
Needs can produce spent solder stripper, and it has following feature：First, stannum, nitric acid content height, harm are greatly, quantity is many and system is multiple
Miscellaneous；One of maximum operation of waste liquid amount is produced, heavy metal in waste liquid content is many and high, pollution index is high in Tui Xishi PCB enterprise,
And other organic compound species also many (heterocyclic compound, multiple ring aromatic, polymer etc.).2nd, processing procedure
It is big that complicated and pollution solves difficulty；In tin removal waste liquor, tenor is many and high, the high system of acidity is complicated, leads to process extremely difficult
And it is complicated.
It is neutralization precipitation method and removal metal ion recycling method at present to the main methods of waste tin stripper.Neutralization
The sedimentation method adopt in the alkaline matters such as ammonia, sodium carbonate, sodium bicarbonate and sodium hydroxide and nitric acid, and metal is sunk with hydroxide
The isolated in form formed sediment is processed.Though this method can reach process nitric acid, the purpose of Resource recovery, introduce ammonium nitrate, nitric acid simultaneously again
The compositions such as sodium, subsequent treatment is difficult, easily causes serious azotate pollution, and alkali consumption is big, high cost, discharged wastewater met the national standard
Difficulty is big.Remove metal ion recycle method be tin removal waste liquor is boiled after filter, add ammonium sulfate in filtrate, precipitation finishes
After add flocculant, stannum, copper content can be down to 1.3g/L and 0.5g/L to clear liquid after measured, add after other components through experiment with
Newly open cylinder tin stripping liquid application performance identical.This method there is also energy consumption greatly and high temperature steaming can lead to a large amount of danger decomposed of nitric acid etc.
Shortcoming.
In summary, existing waste tin stripper processing method, not only power consumption, high cost, and have serious secondary pollution, right
The mankind, other biological and environment have very big harm.
Content of the invention
Technical problem to be solved in the utility model is to provide a kind of waste tin stripper processing system it is intended to reduce useless moving back
The process energy consumption of Xi Shui and cost, eliminate secondary pollution simultaneously, reduce the harm to the mankind, other biological and environment, and realize
The recycling of resource.
This utility model is achieved in that a kind of waste tin stripper processing system, including for collecting the useless of waste tin stripper
Tin stripper collection device, for the waste tin stripper collected being carried out with chemically treated mixing arrangement and for by described waste tin stripper
After chemically treated, the solid producing and liquid carry out detached segregation apparatuss, described waste tin stripper collection device, described mixing
Device and described segregation apparatuss are sequentially connected with, and described waste tin stripper processing system is also included for allocating separating medium will be described
Separating medium is added in described mixing arrangement to produce the separating medium deployment device of copper and tin precipitate and regenerated liquid, to be used for collecting institute
State copper, stannum sedimentary copper and tin collection device and for adjustment of formula is carried out to described regenerated liquid, move back stannum with prepare tin stripper
Water reuse (treatment device, described separating medium deployment device is connected with described mixing arrangement, described copper and tin collection device, tin stripper regeneration dress
Put and be connected with described segregation apparatuss respectively.
Further, described waste tin stripper processing system also includes for being evaporated to described regenerated liquid concentrating, to obtain
Obtain the vaporising device of concentrated solution, described vaporising device is connected between described segregation apparatuss and described tin stripper regenerating unit.
Further, described tin stripper regenerating unit is also connected with described separating medium deployment device.
Further, it is provided with agitator in described vaporising device.
Further, described separating medium is oxalic acid.
Further, it is provided with agitator in described mixing arrangement.
Further, described copper and tin collection device includes the pressure filter for described copper, stannum precipitate are pressed into filter cake.
Further, it is provided with agitator in described tin stripper regenerating unit.
This utility model compared with prior art, has the beneficial effects that：The waste tin stripper processing system that this utility model provides
System, also includes separating medium deployment device, copper and tin collection device and tin stripper regenerating unit in prior art basis, only needs simple
Ground adds blender in mixing arrangement using separating medium deployment device and can obtain the copper that can be continuing with, stannum precipitate, place
Reason process is more simple and easy to do, and system structure is simple；Simultaneously utilize tin stripper regenerating unit to collect copper and tin precipitate after
Regenerated liquid proceed adjustment of formula, prepare new tin stripper, for production and application.This is solving waste water handling problem
While it is achieved that the recycling of resource.
The waste tin stripper processing system that this utility model provides, not only have that structure is simple, low cost, easily operation etc. excellent
Point, and zero-emission can be accomplished, eliminate secondary pollution, reduce the harm to the mankind, other biological and environment, and achieve
The recycling of resource.
Brief description
Fig. 1 is the structural representation of the waste tin stripper processing system that this utility model embodiment provides.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
Referring to Fig. 1, a kind of waste tin stripper processing system 100 providing for this utility model, move back stannum including for collecting to give up
The waste tin stripper collection device 1 of water, for the waste tin stripper collected being carried out with chemically treated mixing arrangement 2 and for moving back useless
The solid producing after stannum water is chemically treated and liquid carry out detached segregation apparatuss 4, waste tin stripper collection device 1, mixing dress
Put 2 and segregation apparatuss 4 be sequentially connected with, waste tin stripper processing system 100 is also included for allocating separating medium and by described separating medium
It is added in mixing arrangement 2 to produce the separating medium deployment device 3 of copper and tin precipitate and regenerated liquid, to be used for collecting described copper, stannum
Sedimentary copper and tin collection device 5 and for carrying out adjustment of formula to described regenerated liquid, is regenerated with the tin stripper preparing tin stripper
Device 7, separating medium deployment device 3 is connected with mixing arrangement 2, copper and tin collection device 5, tin stripper regenerating unit 7 respectively with separate
Device 4 connects.
The present embodiment provide waste tin stripper processing system 100, including separating medium deployment device 3, copper and tin collection device 5 and
Tin stripper regenerating unit 7, separating medium deployment device 3 is used for allocating separating medium, and described separating medium is added to mixing arrangement 2
In, to produce copper and tin precipitate and regenerated liquid, using copper and tin collection device 5, the copper and tin precipitate producing is collected.Simultaneously
Using tin stripper regenerating unit 7, adjustment of formula is carried out to regenerated liquid, be prepared into new tin stripper.The useless of the present embodiment offer moves back stannum
Water treatment system 100, only need to add in mixing arrangement 2 that blender can obtain simply by separating medium deployment device 3 can
The copper that is continuing with, stannum precipitate, processing procedure is more simple and easy to do, and system structure is simple；Simultaneously heavy to collecting copper and tin
Regenerated liquid after starch proceeds adjustment of formula, you can prepare new tin stripper, for production and application.Turn waste into wealth, and
Ensure that tin stripper regeneration after move back stannum effect so that lost efficacy tin stripper can recirculate utilization.This is solving waste water
It is achieved that the recycling of resource while process problem.
The waste tin stripper processing system that this utility model provides, not only have that structure is simple, low cost, easily operation etc. excellent
Point, and zero-emission can be accomplished, resource is accomplished recycle.
Specifically, separating medium is oxalic acid, and every 1L waste tin stripper addition is in more than 120g.Waste tin stripper acidity itself is relatively
By force, under strongly acidic conditions, both can guarantee that the component not destroying solution using oxalic acid as separating medium, and the stannum of energy solution, copper ion
Settle down, oxalic acid is first allocated before adding；Allotment mass concentration is that the oxalic acid of 10-20% is added in solution, can make to connect
Touch more abundant, reaction is rapider, comprehensively.
Move back stannum reaction principle：Sn+4HNO3(dense)=H2SnO3↓+4NO2↑+H2O；
Precipitation principle：Sn2++2H2SnO3=2SnC2O4↓+H+；
2H2C2O4+2H2SnO3=2SnC2O4↓+4H2O+O2↑；
H2C2O4+Cu(NO3)2=CuC2O4↓+2HNO3.
The oxalic acid energy being added and Sn2+Reaction generate water-fast tin oxalate, with copper ion react generate water insoluble
Cupric oxalate, thus reaching the settlement separate effect of stannum copper ion.
Specifically, adjustment of formula includes concentration of nitric acid, the iron content adjusting described regenerated liquid, and adds copper-protection agent, light
Agent (as benzotriazole, ferric nitrate) etc., adjusts its parameter as new tin stripper.
It is provided with agitator (not shown), the stir speed (S.S.) of described agitator is 100-300r/min in mixing arrangement 2.
After separating medium is added in mixing arrangement 2 separating medium deployment device 3, the liquid in mixing arrangement 2 is reacted, and now makes
With agitator, described liquid is heated, not only improve reaction rate, and make reaction more abundant.
Specifically, copper and tin collection device 5 includes that (in figure is not for pressure filter that described copper, stannum precipitate are pressed into filter cake
Illustrate).Described pressure filter can be plate type pressure filter, and operating pressure is 0.5-1.0MPa, and filter cloth material is terylene.Copper and tin is collected
After device 5 collects copper and tin precipitate, it is sent directly in pressure filter and carries out filter pressing process, obtain block copper and tin filter cake.
It is provided with agitator (not shown) in tin stripper regenerating unit 7, carry out adjustment of formula in tin stripper regenerating unit 7
When, using agitator, liquid therein is stirred, the more uniform of component mixing can be made, so that the preparation of new tin stripper is imitated
Rate is higher.
Waste tin stripper processing system 100 also includes for described regenerated liquid is evaporated, is concentrated, to obtain concentrated solution
Vaporising device 6, vaporising device 6 is connected between segregation apparatuss 4 and tin stripper regenerating unit 7.Described regenerated liquid first enters evaporation
Device 6 is evaporated concentrating, and obtains evaporation concentrated solution, then carries out adjustment of formula to it again.Regenerated liquid is after evaporation and concentration
Improve each constituent concentration in solution, then carry out adjustment of formula can be easier and carry out adjustment of formula to obtain during tin stripper
When, the consumption of institute's substance can significantly reduce.
Specifically, vaporising device 6 can be decompression evaporator, the built-in heat conduction fuel tank of decompression evaporator, water-ring vacuum pump.
It is provided with agitator (not shown), when vaporising device 6 is evaporated concentrating, described agitator is to wherein in vaporising device 6
Solution be stirred, the efficiency of evaporation and concentration can be accelerated.
This utility model embodiment provide waste tin stripper processing system, not only reduce waste tin stripper process energy consumption and
Cost, eliminates secondary pollution simultaneously, reduces the harm to the mankind, other biological and environment, and realize the recovery of resource further
Using.
The step that the waste tin stripper processing system 100 that the present embodiment provides is recycled to waste tin stripper is as follows：
Waste tin stripper collection device 1 collects waste tin stripper, discharges it in mixing arrangement 2；
In conjunction with described waste tin stripper component content, after separating medium deployment device 3 carries out separating medium allotment, separating medium is added
Carrying out chemistry side to mixing arrangement 2 should；
Mixing arrangement 2 is carrying out chemical Fang Yinghou, produces copper and tin precipitate and regenerated liquid, and by described precipitate and regeneration
Liquid enters in segregation apparatuss 4；Segregation apparatuss 4 carry out separating treatment to precipitate and regenerated liquid, and precipitate enters copper and tin and collects dress
Put in 5, regenerated liquid enters in vaporising device 6；Pressure filter in copper and tin collection device 5 carries out filter pressing to the copper and tin precipitation collected
Process, obtain filter cake, directly use；
Vaporising device 6 is evaporated, concentrates to the regenerated liquid entering, and obtains evaporation concentrated solution, and evaporation concentrated solution is arranged
Enter in tin stripper regenerating unit 7, tin stripper regenerating unit is by carrying out adjustment of formula to described evaporation concentrated solution, you can obtain new
Tin stripper.
This utility model embodiment additionally provides a kind of waste tin stripper processing method, including
Add step：Add separating medium in the waste tin stripper collected, to produce solid product and reactant liquor；
Separating step：Described solid product is separated with described reactant liquor；
Described separating medium is oxalic acid, and described solid product is copper, stannum precipitate.
Described copper, stannum precipitate are cupric oxalate, tin oxalate.After measured, in described reactant liquor, stannum, copper content are 0.1-
0.5g/L.The copper obtaining, stannum precipitate are sent directly in pressure filter and carry out filter pressing process, obtain block copper and tin filter cake, copper and tin
Filter cake can work as production marketing or reproduction.
The waste tin stripper processing method that the present embodiment provides, is added in described waste tin stripper using oxalic acid as separating medium
Row chemical treatment, not only can produce copper, stannum precipitate to be reclaimed the copper in described waste tin stripper, tin ion, and instead
Answer mild condition, with respect to existing processing method, process energy consumption and cost all significantly reduces, and achieve to copper, tin resource
Recycle.
Specifically, in described separating step, by adding flocculant, described solid product is made to form oarse-grained cohesion
Body, in order to separate with described reactant liquor；Described flocculant is aluminium polychlorid, poly-ferric chloride or polyacrylamide.
Specifically, also included separating medium adaptation step before described interpolation step：Described separating medium is deployed into fixation
Concentration, described fixed concentration is 10-20%.Addition in described waste tin stripper for the described separating medium is not less than 120g/L.Institute
State copper, the sedimentary particle diameter of stannum is 0.2-1 μm.
Carry out, in course of reaction, with agitator, the mixed liquor being reacted being carried out with the separating medium adding in waste tin stripper
Stirring, mixing speed is 100～300r/min, and mixing time is 30～60min.Stir speed (S.S.) and time influence whether to be obtained
Copper, the sedimentary size of stannum.This utility model passes through to adjust stir speed (S.S.) and mixing time, makes waste tin stripper and separates
Agent contact is more abundant, and reaction is rapider, comprehensively.Additionally, making the sedimentary size controlling of the copper of generation, stannum at 0.2-1 μm.
Regeneration step is also included after described separating step：Described reactant liquor is carried out adjustment of formula, so that its component
Content is identical with the constituent content of standard tin stripper.Further, first steamed before described reactant liquor carries out adjustment of formula
Send out concentration.Described evaporation and concentration is to be evaporated under reduced pressure, and its evaporating temperature is 60-85 DEG C, and vacuum is 0.01-0.1MPa；Subtract
Pressure evaporation time is 60-180min.Described evaporation and concentration processes and produces condensed water, and described condensed water is used for described separating medium
Allotment.
The waste tin stripper processing method generation after chemically treated by waste tin stripper further that this utility model provides
Reactant liquor carries out adjustment of formula, obtains new tin stripper.This has not only accomplished this waste water of reactant liquor is processed, and real
Show twice laid.This utility model achieves recycling of this resource of tin stripper, achieves 100% recycle and reuse
Economic benefit.Through measurement, the response rate >=98% of described stannum and copper.
Embodiment 1
Collect waste tin stripper 100L, be added to the oxalic acid 15kg that mass concentration is 10%, anti-to carrying out with agitator
The mixed liquor answered is stirred, and mixing speed is 280r/min, and mixing time is 40min, creates cupric oxalate, tin oxalate and anti-
Answer liquid；
Using defecator, cupric oxalate, tin oxalate are separated with described reactant liquor；After measured, stannum, copper in described reactant liquor
Content is 0.2g/L, and the sedimentary particle diameter of the copper of acquisition, stannum is 0.8 μm.
Using decompression evaporator, the reactant liquor obtaining is evaporated concentrating, evaporating temperature is 70 DEG C, vacuum is
0.1MPa；The reduction vaporization time is 100min.The condensed water that evaporation produces is used for carrying out the allotment of separating medium.
Add concentration of nitric acid, iron content in the reactant liquor after evaporation and concentration, and add copper-protection agent, benzotriazole and nitre
Sour ferrum so as to constituent content is identical with the constituent content of standard tin stripper, that is, obtains new tin stripper.
Through measurement, the stannum speed of moving back of the present embodiment is 8.6 μm/min, and moving back stannum capacity is 68g/L, 0.19 μm of copper speed of erosion/
The response rate of min, stannum and copper is 98.2%.
Embodiment 2
Collect waste tin stripper 100L, be added to the oxalic acid 18kg that mass concentration is 15%, anti-to carrying out with agitator
The mixed liquor answered is stirred, and mixing speed is 120r/min, and mixing time is 50min, creates cupric oxalate, tin oxalate and anti-
Answer liquid；
Using defecator, cupric oxalate, tin oxalate are separated with described reactant liquor；After measured, stannum, copper in described reactant liquor
Content is 0.3g/L, and the sedimentary particle diameter of the copper of acquisition, stannum is 0.3 μm.
Using decompression evaporator, the reactant liquor obtaining is evaporated concentrating, evaporating temperature is 80 DEG C, vacuum is
0.05MPa；The reduction vaporization time is 70min.The condensed water that evaporation produces is used for carrying out the allotment of separating medium.
Add concentration of nitric acid, iron content in the reactant liquor after evaporation and concentration, and add copper-protection agent, benzotriazole and nitre
Sour ferrum so as to constituent content is identical with the constituent content of standard tin stripper, that is, obtains new tin stripper.
Through measurement, the stannum speed of moving back of the present embodiment is 9.2 μm/min, and moving back stannum capacity is 80g/L, 0.15 μm of copper speed of erosion/
min；The response rate of stannum and copper is 99.1%.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Any modification, equivalent and improvement made within the spirit of utility model and principle etc., should be included in this utility model
Protection domain within.
Claims (8)
1. a kind of waste tin stripper processing system, including the waste tin stripper collection device for collecting waste tin stripper, for collection
Waste tin stripper carry out chemically treated mixing arrangement and for will chemically treated for described waste tin stripper after produce solid and
Liquid carries out detached segregation apparatuss, and described waste tin stripper collection device, described mixing arrangement and described segregation apparatuss sequentially connect
Connect it is characterised in that described waste tin stripper processing system also includes for allocating separating medium and described separating medium being added to institute
State in mixing arrangement with produce the separating medium deployment device of copper and tin precipitate and regenerated liquid, be used for collecting described copper and tin sedimentary
Copper and tin collection device and for adjustment of formula is carried out to described regenerated liquid, to prepare the tin stripper regenerating unit of tin stripper, described
Separating medium deployment device is connected with described mixing arrangement, described copper and tin collection device, tin stripper regenerating unit respectively with described point
Connect from device.
2. waste tin stripper processing system as claimed in claim 1 is it is characterised in that described waste tin stripper processing system also includes
For being evaporated to described regenerated liquid concentrating, to obtain the vaporising device of concentrated solution, described vaporising device is connected to described point
Between device and described tin stripper regenerating unit.
3. waste tin stripper processing system as claimed in claim 1 or 2 it is characterised in that described tin stripper regenerating unit also with
Described separating medium deployment device connects.
4. waste tin stripper processing system as claimed in claim 2 is it is characterised in that be provided with agitator in described vaporising device.
5. waste tin stripper processing system as claimed in claim 1 is it is characterised in that described separating medium is oxalic acid.
6. waste tin stripper processing system as claimed in claim 1 is it is characterised in that be provided with agitator in described mixing arrangement.
7. waste tin stripper processing system as claimed in claim 1 is it is characterised in that described copper and tin collection device is included for inciting somebody to action
Described copper and tin precipitate is pressed into the pressure filter of filter cake.
8. waste tin stripper processing system as claimed in claim 1 is stirred it is characterised in that being provided with described tin stripper regenerating unit
Mix device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620836755.XU CN205974081U (en) | 2016-08-04 | 2016-08-04 | Useless tin water processing system that moves back |
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| CN201620836755.XU CN205974081U (en) | 2016-08-04 | 2016-08-04 | Useless tin water processing system that moves back |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113151817A (en) * | 2020-04-16 | 2021-07-23 | 叶旖婷 | Method and equipment for recycling waste liquid containing nitrate radical |
-
2016
- 2016-08-04 CN CN201620836755.XU patent/CN205974081U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113151817A (en) * | 2020-04-16 | 2021-07-23 | 叶旖婷 | Method and equipment for recycling waste liquid containing nitrate radical |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Spent solder stripper treatment system and treatment method Effective date of registration: 20170728 Granted publication date: 20170222 Pledgee: Bank of Beijing Limited by Share Ltd Shenzhen branch Pledgor: ShenZhen JeCh Technology Co., Ltd. Registration number: 2017990000696 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220614 Granted publication date: 20170222 Pledgee: Bank of Beijing Limited by Share Ltd. Shenzhen branch Pledgor: SHENZHEN JECH TECHNOLOGY Co.,Ltd. Registration number: 2017990000696 |