CN205635149U - Stainless steel pickling waste waters / waste liquid resourceful treatment system - Google Patents
Stainless steel pickling waste waters / waste liquid resourceful treatment system Download PDFInfo
- Publication number
- CN205635149U CN205635149U CN201620021995.4U CN201620021995U CN205635149U CN 205635149 U CN205635149 U CN 205635149U CN 201620021995 U CN201620021995 U CN 201620021995U CN 205635149 U CN205635149 U CN 205635149U
- Authority
- CN
- China
- Prior art keywords
- pressure filter
- grades
- neutralization
- pond
- level
- 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.)
- Active
Links
Landscapes
- Removal Of Specific Substances (AREA)
Abstract
The utility model provides a stainless steel pickling waste waters / waste liquid resourceful treatment system, in the one -level with sedimentation tank, second grade in and sedimentation tank, denitrification pond, one -level neutralization pond, first pressure filter, second grade neutralization pond and second pressure filter, what the stainless steel pickling obtained washes the waste water intercommunication extremely with the entry of sedimentation tank in the one -level, liquid outlet with the sedimentation tank in the one -level feeds through extremely with the entry of sedimentation tank in the second grade, liquid outlet with the sedimentation tank in the second grade feeds through extremely the entry in denitrification pond, be equipped with an aeration equipment in the second grade and in the sedimentation tank, the acid pickle intercommunication that the stainless steel pickling obtained extremely the one -level neutralization pond, the export intercommunication of one -level neutralization pond extremely the entry of first pressure filter, the liquid outlet intercommunication of first pressure filter extremely the entry of second grade neutralization pond, the export intercommunication of second grade neutralization pond extremely the second pressure filter, be equipped with the 2nd aeration equipment in the second grade neutralization pond.
Description
Technical field
This utility model relates to rustless steel production field, particularly relates to stainless steel acid cleaning waste water/effluent resource and processes system
System.
Background technology
Due to the needs of rustless steel industrial chain, the thick product of rustless steel has to pass through acid washing passivation technology.Technique need a large amount of
Using sulphuric acid, nitric acid, Fluohydric acid., some techniques use sodium nitrate, sodium chloride the most in a large number.The most current Pickling-shop is managed relatively
For extensive, the pickling waste waters/component of effluent causing generation is complex.The main harm of pickling waste waters/waste liquid is the lower water of corrosion
The water conservancy project structure such as pipeline and armored concrete, penetrates into soil and can cause soil property calcification, it addition, the ferrum contained in waste water/waste liquid,
The heavy metals such as nickel, chromium, manganese, the biggest to the harm of environment and mankind itself.The process of stainless steel acid cleaning waste water/waste liquid is always steel
A difficult problem for ferrum enterprise.Along with steel and iron industry progressively develops, add that environmental conservation is to discharge of wastewater increasingly strict requirements, pickling
The process technique of waste water/waste liquid must be reformed further and just adapt to the new situation.
In prior art, refer to Fig. 1, Pickling-shop pickling waste waters out enters regulating reservoir after collecting, by adding
Enter Calx to be neutralized, make heavy metal ion form water-fast hydroxide, by precipitation through TSA reaction
Remove, landfill or be disposed as danger is useless after the compressed dehydration of mud of generation, the Zhong Shuisong pickling factory reuse after process.
Utility model content
The technical problems to be solved in the utility model is that the sewage of existing pickling waste waters/process for treating waste liquor existence cannot be complete
Face qualified discharge, Treated sewage reusing rate cannot ensure, mud because of heavy metals exceeding standard cannot the appropriate problem such as disposal.
This utility model additionally provides a kind of stainless steel acid cleaning waste water/effluent resource processing system, at least includes one-level
Neutralization precipitation pond, two grades of neutralization precipitation ponds, denitrification pond, one-level neutralization pond, the first pressure filter, two grades of neutralization ponds and the second filter pressing
Machine；
The flushing waste water that acid-washing stainless steel obtains is communicated to the entrance in described one-level neutralization precipitation pond, with heavy in described one-level
The liquid outlet in pond, shallow lake is communicated to the entrance in described two grades of neutralization precipitation ponds, the liquid outlet connection in described two grades of neutralization precipitation ponds
Entrance to described denitrification pond；Described two grades of neutralization precipitation ponds are provided with the first aerator；
The acid pickle that acid-washing stainless steel obtains is communicated to described one-level neutralization pond, and the outlet of described one-level neutralization pond is extremely
The entrance of described first pressure filter, the liquid outlet of described first pressure filter is communicated to the entrance of described two grades of neutralization ponds, described
The outlet of two grades of neutralization ponds is to described second pressure filter；Described two grades of neutralization ponds are provided with the second aerator.
Optionally, described one-level neutralization precipitation pond is when processing flushing waste water, further with so that it controls
PH value is 5.5, and described two grades of neutralization precipitation ponds are when processing flushing waste water, further with so that its control pH value is
8-9.5。
Optionally, described one-level neutralization precipitation pond is when processing flushing waste water, further with so that being precipitated
Precipitate include calcium sulfate, calcium fluoride and chromic oxide gel；
Described two grades of neutralization precipitation ponds are when processing flushing waste water, further with so that the precipitate that precipitated
Including ferrum, manganese, the hydroxide of nickel；
When described first aerator carries out aeration in described two grades of neutralization precipitation ponds, further such that ferrum therein,
Manganese is oxidized to high-valence state.
Optionally, described one-level neutralization pond is when processing acid pickle, further with so that its control pH value is
3.0, described two grades of neutralization ponds are when processing acid pickle, further with so that it controls pH value is 8-9.5.
Optionally, described acid pickle precipitate after described one-level neutralization pond and the first pressure filter process includes part sulfur
Acid calcium and calcium fluoride, and make trivalent chromium quilt in described one-level neutralization pond and/or described first pressure filter of described acid pickle
Dissolve；
Described acid pickle precipitate after described two grades of neutralization ponds and the second pressure filter process includes ferrum, manganese, nickel, chromium
Hydroxide；
When described second aerator carries out aeration in described two grades of neutralization ponds, further such that ferrum therein, manganese oxygen
Chemical conversion high-valence state.
Optionally, described stainless steel acid cleaning waste water/effluent resource processing system also includes the 3rd pressure filter and the 4th
Pressure filter；
The entrance of described 3rd pressure filter is communicated to the precipitate outlet in described one-level neutralization precipitation pond, described 3rd filter pressing
The liquid outlet of machine is communicated to the entrance in described two grades of neutralization precipitation ponds, and the precipitate outlet of described 3rd pressure filter is to institute
State the entrance of one-level neutralization pond；
The entrance of described 4th pressure filter connects the precipitate outlet in described two grades of neutralization precipitation ponds, described 4th pressure filter
Liquid outlet be communicated to the entrance in described denitrification pond.
Optionally, described stainless steel acid cleaning waste water/effluent resource processing system also includes that one-level washes mud sump, the 5th pressure
Filter, two grades wash mud sump, the 6th pressure filter；
Described one-level is washed the entrance of mud sump and is communicated to the precipitate outlet of described first pressure filter, and described one-level washes mud sump
The entrance of outlet extremely described 5th pressure filter, the precipitate outlet of described 5th pressure filter washes mud sump to described two grades
Entrance, the entrance of described two grades of outlet washing mud sump to described 6th pressure filter.
Optionally, described stainless steel acid cleaning waste water/effluent resource processing system also includes that three grades are washed mud sump and the 7th
Pressure filter；Described three grades of entrances washing mud sump are communicated to the precipitate outlet of described 6th pressure filter, wash mud sump for described three grades
The entrance of outlet extremely described 7th pressure filter.
This utility model and this utility model alternative are based on (1) acid pickle/flushing water dual treatment；(2) calcium and weight
The mentality of designing of metal ion fractional precipitation, proposes a kind of stainless steel acid cleaning waste water/effluent resource and processes technique.This technique can
Effectively solve above-mentioned three big problems: waste water processes technique can solve water outlet alkali pollution, weight through two-stage neutralization precipitation, denitrification denitrogenation
The problems such as metal exceeds standard, total nitrogen exceeds standard, it is achieved overall up to standard discharges；The requirement up to 80% of the Treated sewage reusing ratio；Mud is through dividing
Step precipitates and washes bricklayer's's skill and is separable into calcium precipitation thing and heavy metal precipitation thing, and calcium precipitation thing can be as general industry refuse
Disposing or carry out the utilization of resources as cement raw material etc., heavy metal precipitation thing has also reached resource profit because content of beary metal improves
Requirement.
To sum up, this utility model possesses following positive improvement:
1, the utility model proposes the flushing waste water produced in pickling process, acid pickle are processed respectively；
2. the utility model proposes two-stage neutralization precipitation technique, denitrification denitrogenation process technique, solve effluent quality and in
Water circulation proportion requirement problem；
3. the utility model proposes fractional precipitation and wash bricklayer's's skill separation calcium salt mud and heavy metal sewage sludge so that calcium salt is dirty
Mud can be as general industry Waste disposal or as cement, gypsum raw material reuse, heavy metal sewage sludge also can reach recycling
Requirement.
Accompanying drawing explanation
Fig. 1 is pickling waste waters processing technological flow in prior art；
Fig. 2 is the schematic diagram of stainless steel acid cleaning waste water/effluent resource processing system in this utility model one embodiment；
In figure, 1-flushing water regulating reservoir；2-one-level neutralization precipitation pond；Bis-grades of neutralization precipitation ponds of 3-；4-denitrification pond；5-returns
Millpond；6-the 3rd pressure filter；7-the 4th pressure filter；8-acid pickle regulating reservoir；9-one-level neutralization pond；10-the first pressure filter；
Bis-grades of neutralization ponds of 11-；12-the second pressure filter；13-one-level washes mud sump；14-the 5th pressure filter；15-bis-grades washes mud sump；16-the 6th
Pressure filter；17-tri-grades washes mud sump；18-the 7th pressure filter.
Detailed description of the invention
Stainless steel acid cleaning waste water/effluent resource the processing system provided this utility model below with reference to Fig. 2 is carried out
Detailed elaboration, it is this utility model optional embodiment, it is believed that those skilled in the art are not changing this practicality newly
It can be modified and polish in the range of type spirit and content.
Before illustrating design of the present utility model, following table enumerates the water of electrical acid pickle of acid washing and flushing waste water
Matter:
Acid pickle water quality
| Project | Substance withdrawl syndrome mol/L |
| H2SO4The sulfate ion existed with sulphuric acid form | 1.84 |
| Fe2+ | 1.07 |
| Ni2+ | 0.10 |
| Cr3+ | 0.23 |
| Mn2+ | 0.11 |
| SO4 2-Total amount | 3.47 |
PH value: less than 0.7
Flushing waste water water quality
| Kind | Substance withdrawl syndrome mol/L |
| H2SO4 | 2.66×10-3 |
| HNO3 | 7.94×10-3 |
| HF | 7.02×10-3 |
| Fe2+ | 3.93×10-3 |
| Ni2+ | 3.73×10-4 |
| Cr3+ | 8.47×10-4 |
| Mn2+ | 4.01×10-4 |
PH value: 1.7～2.3
This utility model provides a kind of stainless steel acid cleaning waste water/effluent resource processing method, is produced by acid-washing stainless steel
Raw flushing waste water and acid pickle are respectively processed；
For described flushing waste water:
First it is carried out one-level neutralization precipitation, then the flushing waste water after precipitation is carried out two grades of neutralization precipitations, carry out two
During level neutralization precipitation, also it is carried out aeration, wherein, during the control pH value of described flushing waste water one-level neutralization precipitation is less than two grades
Control pH value with precipitation；Then the flushing waste water after two grades of neutralization precipitations is carried out denitrification denitrogenation process, thus realize back
Receive；
In the further alternative embodiment of this utility model, described flushing waste water carries out the control PH of one-level neutralization precipitation
Value is 5.5, and it is 8-9.5 that described flushing waste water carries out the control pH value of two grades of neutralization precipitations.Described flushing waste water is carried out in one-level
Calcium sulfate, calcium fluoride and chromic oxide gel is included with the precipitate of precipitation；Described flushing waste water carries out the precipitation of two grades of neutralization precipitations
Thing includes the hydroxide of ferrum, manganese, nickel, when two grades of neutralization precipitations, described flushing waste water is carried out aeration so that ferrum, manganese oxygen
Chemical conversion high-valence state.
In other words, flushing waste water uses two-stage neutralization precipitation technique, and the first order controls pH=5.5, and dominant precipitates is sulfur
Acid calcium, calcium fluoride, chromic oxide gel, second level pH controls to be 8-9.5, and ferrum, manganese are oxidized to high-valence state by aeration, dominant precipitates
For ferrum, manganese, the hydroxide of nickel.It is achieved in the collection of heavy metal sewage sludge.Two-stage precipitation water outlet can after denitrification denitrogenation
Realize reuse, it is to avoid the problem of Nitrate Accumulation.
For described acid pickle:
First the mud that described acid pickle produces with one-level neutralization precipitation when processing flushing waste water is mixed, then realize
The one-level of acid pickle neutralizes, then in one-level and after acid pickle carry out two grades of neutralization, when carrying out two grades of neutralizations, also it is entered
Row aeration, wherein, what described acid pickle one-level neutralized controls the pH value control PH less than described flushing waste water one-level neutralization precipitation
Value, it is identical with the control pH value of described flushing waste water one-level neutralization precipitation that what described acid pickle two grades neutralized controls pH value.
In this utility model optional embodiment, it is 3.0 that described acid pickle carries out the control pH value of one-level neutralization, described
It is 8-9.5 that acid pickle carries out two grades of control pH values neutralized.
In this utility model optional embodiment, described acid pickle carries out also carrying out filter pressing with rear in one-level, it is achieved Gu
Liquid separate, the liquid portion after filter pressing as in one-level and after acid pickle carry out two grades of neutralizations；Described acid pickle carries out two grades
Filter pressing is also carried out after neutralization.
In further alternative embodiment, the precipitate after described acid pickle carries out one-level neutralization and filter pressing includes part sulfur
Acid calcium and calcium fluoride, and make trivalent chromium dissolve during it；Described acid pickle carries out the precipitation after two grades of neutralizations and filter pressing
Thing includes the hydroxide of ferrum, manganese, nickel, chromium, when neutralizing for two grades, described flushing waste water is carried out aeration so that ferrum, manganese aoxidize
Become high-valence state.
In other words, acid pickle uses two grades to neutralize technique, and flushing waste water one-level precipitating sludge mixes with acid pickle, and by pH
Regulation is to 3.0, and now most calcium sulfate, calcium fluoride form precipitation, and trivalent chromium dissolves in the case of pH=3.Spent acid
Two grades of neutralization pH regulator are to 8-9.5, and ferrum, manganese are oxidized to high-valence state by aeration, and dominant precipitates is the hydrogen-oxygen of ferrum, manganese, nickel, chromium
Compound.
Optionally, for described acid pickle, also include:
The mud obtained with rear filter pressing in described acid pickle one-level is carried out pickling at least twice and washes mud so that be therein heavy
The amount of precipitation of metal reaches standard.
For above method, the heavy metal sewage sludge being achieved in pickle liquor, flushing waste water and calcium sulfate, calcium fluoride dirt
Mud precipitates and recycling respectively.After testing, in heavy metal sewage sludge, the content of nickel is more than 2%, can reclaim as lateritic nickel ore.
Calcium sulfate, calcium fluoride sludge meet the monitoring mark of " solid waste Leaching leaching method sulfonitric method " HJ/T299-2007
Standard, can process as general industry refuse.
Corresponding with method mentioned above, refer to Fig. 2, this utility model additionally provides a kind of acid-washing stainless steel and gives up
Water/effluent resource processing system, at least includes 2, two grades of one-level neutralization precipitation pond neutralization precipitation pond 3, denitrification pond 4, one-level
10, two grades of neutralization ponds of neutralization pond the 9, first pressure filter 11 and the second pressure filter 12；
The flushing waste water that acid-washing stainless steel obtains is communicated to the entrance in described one-level neutralization precipitation pond 2, and described one-level neutralizes
The liquid outlet of sedimentation tank 2 is communicated to the entrance in described two grades of neutralization precipitation ponds 3, the liquid discharge in described two grades of neutralization precipitation ponds 3
Mouth is communicated to the entrance in described denitrification pond 4；Described two grades of neutralization precipitation ponds 3 are provided with the first aerator, this first aeration
Device is connected with aerating system；To realize the process in method above, flushing waste water processed.
The acid pickle that acid-washing stainless steel obtains is communicated to described one-level neutralization pond 9, the outlet of described one-level neutralization pond 9
To the entrance of described first pressure filter 10, the liquid outlet of described first pressure filter 10 is communicated to entering of described two grades of neutralization ponds 11
Mouthful, the outlet of described two grades of neutralization ponds 11 to described second pressure filter 12；Described two grades of neutralization ponds 11 are provided with the second exposure
Device of air, this second aerator is connected with aerating system, to realize the process in method above processed acid waste liquid.
Corresponding with method mentioned above, in this utility model optional embodiment, described one-level neutralization precipitation pond 2
When processing flushing waste water, further with so that it controls pH value is 5.5, described two grades of neutralization precipitation ponds 3 are right
When flushing waste water processes, further with so that it controls pH value is 8-9.5.
Described one-level neutralization precipitation pond 2 is when processing flushing waste water, further with so that the precipitation that precipitated
Thing includes calcium sulfate, calcium fluoride and chromic oxide gel；
Described two grades of neutralization precipitation ponds 3 are when processing flushing waste water, further with so that the precipitation that precipitated
Thing includes the hydroxide of ferrum, manganese, nickel；
When described first aerator carries out aeration in described two grades of neutralization precipitation ponds 3, further such that ferrum therein,
Manganese is oxidized to high-valence state.
Corresponding with method mentioned above, in this utility model optional embodiment, described one-level neutralization pond 9 is right
When acid pickle processes, further with so that it controls pH value is 3.0, acid pickle is being carried out by described two grades of neutralization ponds 11
During process, further with so that it controls pH value is 8-9.5.
Described acid pickle precipitate after described one-level neutralization pond 9 and the first pressure filter 10 process includes part of sulfuric acid calcium
And calcium fluoride, and make the trivalent chromium of described acid pickle molten in described one-level neutralization pond 9 and/or described first pressure filter 10
Solve；
Described acid pickle precipitate after described two grades of neutralization ponds 11 and the second pressure filter 12 process include ferrum, manganese, nickel,
The hydroxide of chromium；
When described second aerator carries out aeration in described two grades of neutralization ponds 11, further such that ferrum therein, manganese
It is oxidized to high-valence state.
Corresponding with method mentioned above, in this utility model optional embodiment, described acid-washing stainless steel gives up
Water/effluent resource processing system also includes the 3rd pressure filter 6 and the 4th pressure filter 7；
The entrance of described 3rd pressure filter 6 is communicated to the precipitate outlet in described one-level neutralization precipitation pond 2, described 3rd pressure
The liquid outlet of filter 6 is communicated to the entrance in described two grades of neutralization precipitation ponds 3, and the precipitate outlet of described 3rd pressure filter 6 is even
Pass to the entrance of described one-level neutralization pond 9；
The entrance of described 4th pressure filter 7 connects the 3 precipitate outlets in described two grades of neutralization precipitation ponds, described 4th filter pressing
The liquid outlet of machine 7 is communicated to the entrance in described denitrification pond 4.
Corresponding with method mentioned above, in this utility model optional embodiment, described acid-washing stainless steel gives up
Water/effluent resource processing system also includes that one-level is washed mud sump the 13, the 5th pressure filter 14, two grades and washed mud sump the 15, the 6th pressure filter
16；
Described one-level is washed the entrance of mud sump 13 and is communicated to the precipitate outlet of described first pressure filter 10, and described one-level washes mud
The entrance of the outlet in pond 13 extremely described 5th pressure filter 14, the precipitate outlet of described 5th pressure filter 14 is to the most described
Two grades of entrances washing mud sump 15, the entrance of described two grades of outlet washing mud sump 15 to described 6th pressure filter 16.Described wash
Mud sump can also be multistage, is previously mentioned and washes mud at least twice, i.e. this embodiment is mentioned.
In the further alternative embodiment of this utility model, described stainless steel acid cleaning waste water/effluent resource processes
System also includes that three grades are washed mud sump 17 and the 7th pressure filter 18；Described three grades of entrances washing mud sump 17 are communicated to described 6th filter pressing
The precipitate outlet of machine 16, the entrance of described three grades of outlet washing mud sump 17 to described 7th pressure filter 18.
In addition to above description, in this utility model optional embodiment, also include flushing water regulating reservoir 1, reuse pool 5
With acid pickle regulating reservoir 8, flushing waste water connects described one-level neutralization precipitation pond 2 through described flushing water regulating reservoir, and acid pickle is through institute
Stating acid pickle regulating reservoir and be communicated to described one-level neutralization pond 9, reuse pool 5 is communicated to the outlet in described denitrification pond 4.
Visible, this utility model and this utility model alternative are based on (1) acid pickle/flushing water dual treatment；(2)
Calcium and the mentality of designing of heavy metal ion fractional precipitation, propose a kind of stainless steel acid cleaning waste water/effluent resource and process technique.Should
Technique can effectively solve above-mentioned three big problems: waste water processes technique can solve out scale through two-stage neutralization precipitation, denitrification denitrogenation
The problems such as pollution, heavy metals exceeding standard, total nitrogen exceed standard, it is achieved overall up to standard discharges；The requirement up to 80% of the Treated sewage reusing ratio；Dirty
Mud is through fractional precipitation and washes bricklayer's's skill and is separable into calcium precipitation thing and heavy metal precipitation thing, and calcium precipitation thing can be as general work
Industry Waste disposal or carry out the utilization of resources as cement raw material etc., heavy metal precipitation thing has also reached money because content of beary metal improves
The requirement that sourceization utilizes.
To sum up, this utility model possesses following positive improvement:
1, the utility model proposes the flushing waste water produced in pickling process, acid pickle are processed respectively；
2. the utility model proposes two-stage neutralization precipitation technique, denitrification denitrogenation process technique, solve effluent quality and in
Water circulation proportion requirement problem；
3. the utility model proposes fractional precipitation and wash bricklayer's's skill separation calcium salt mud and heavy metal sewage sludge so that calcium salt is dirty
Mud can be as general industry Waste disposal or as cement, gypsum raw material reuse, heavy metal sewage sludge also can reach recycling
Requirement.
Claims (8)
1. stainless steel acid cleaning waste water/effluent resource processing system, it is characterised in that: at least include one-level neutralization precipitation
Pond, two grades of neutralization precipitation ponds, denitrification pond, one-level neutralization pond, the first pressure filter, two grades of neutralization ponds and the second pressure filter；
The flushing waste water that acid-washing stainless steel obtains is communicated to the entrance in described one-level neutralization precipitation pond, described one-level neutralization precipitation pond
Liquid outlet be communicated to the entrance in described two grades of neutralization precipitation ponds, the liquid outlet in described two grades of neutralization precipitation ponds is communicated to institute
State the entrance in denitrification pond；Described two grades of neutralization precipitation ponds are provided with the first aerator；
The acid pickle that acid-washing stainless steel obtains is communicated to described one-level neutralization pond, and the outlet of described one-level neutralization pond is to described
The entrance of the first pressure filter, the liquid outlet of described first pressure filter is communicated to the entrance of described two grades of neutralization ponds, described two grades
The outlet of neutralization pond is to described second pressure filter；Described two grades of neutralization ponds are provided with the second aerator.
2. stainless steel acid cleaning waste water/effluent resource processing system as claimed in claim 1, it is characterised in that: described one-level
Neutralization precipitation pond is when processing flushing waste water, and further with so that it controls pH value is 5.5, described two grades of neutralizations are heavy
Pond, shallow lake is when processing flushing waste water, further with so that it controls pH value is 8-9.5.
3. stainless steel acid cleaning waste water/effluent resource processing system as claimed in claim 1 or 2, it is characterised in that: described one
Level neutralization precipitation pond is when processing flushing waste water, further with so that the precipitate precipitated includes calcium sulfate, fluorine
Change calcium and chromic oxide gel；
Described two grades of neutralization precipitation ponds are when processing flushing waste water, further with so that the precipitate precipitated includes
Ferrum, manganese, the hydroxide of nickel；
When described first aerator carries out aeration in described two grades of neutralization precipitation ponds, further such that ferrum therein, manganese oxygen
Chemical conversion high-valence state.
4. stainless steel acid cleaning waste water/effluent resource processing system as claimed in claim 1, it is characterised in that: described one-level
Neutralization pond is when processing acid pickle, and further with so that it controls pH value is 3.0, described two grades of neutralization ponds are to useless
When acid solution processes, further with so that it controls pH value is 8-9.5.
5. the stainless steel acid cleaning waste water as described in claim 1 or 4/effluent resource processing system, it is characterised in that: described useless
Acid solution precipitate after described one-level neutralization pond and the first pressure filter process includes part of sulfuric acid calcium and calcium fluoride, and makes institute
The trivalent chromium stating acid pickle is dissolved in described one-level neutralization pond and/or described first pressure filter；
Described acid pickle precipitate after described two grades of neutralization ponds and the second pressure filter process includes the hydroxide of ferrum, manganese, nickel
Thing；
When described second aerator carries out aeration in described two grades of neutralization ponds, further such that ferrum therein, manganese are oxidized to
High-valence state.
6. stainless steel acid cleaning waste water/effluent resource processing system as claimed in claim 1, it is characterised in that: also include the
Three pressure filter and the 4th pressure filter；
The entrance of described 3rd pressure filter is communicated to the precipitate outlet in described one-level neutralization precipitation pond, described 3rd pressure filter
Liquid outlet is communicated to the entrance in described two grades of neutralization precipitation ponds, the precipitate outlet of described 3rd pressure filter to described
The entrance of level neutralization pond；
The entrance of described 4th pressure filter connects the precipitate outlet in described two grades of neutralization precipitation ponds, the liquid of described 4th pressure filter
The entrance in body outlet extremely described denitrification pond.
7. stainless steel acid cleaning waste water/effluent resource processing system as claimed in claim 1, it is characterised in that: also include one
Level wash mud sump, the 5th pressure filter, two grades wash mud sump, the 6th pressure filter；
Described one-level is washed the entrance of mud sump and is communicated to the precipitate outlet of described first pressure filter, and described one-level washes the outlet of mud sump
Being communicated to the entrance of described 5th pressure filter, the precipitate outlet of described 5th pressure filter washes entering of mud sump to described two grades
Mouthful, the entrance of described two grades of outlet washing mud sump to described 6th pressure filter.
8. stainless steel acid cleaning waste water/effluent resource processing system as claimed in claim 7, it is characterised in that: also include three
Level washes mud sump and the 7th pressure filter；Described three grades of entrances washing mud sump are communicated to the precipitate outlet of described 6th pressure filter, institute
State three grades of outlet entrances to described 7th pressure filter washing mud sump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620021995.4U CN205635149U (en) | 2016-01-11 | 2016-01-11 | Stainless steel pickling waste waters / waste liquid resourceful treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620021995.4U CN205635149U (en) | 2016-01-11 | 2016-01-11 | Stainless steel pickling waste waters / waste liquid resourceful treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205635149U true CN205635149U (en) | 2016-10-12 |
Family
ID=57079002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620021995.4U Active CN205635149U (en) | 2016-01-11 | 2016-01-11 | Stainless steel pickling waste waters / waste liquid resourceful treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205635149U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105481145A (en) * | 2016-01-11 | 2016-04-13 | 上海世渊环保科技有限公司 | Stainless steel pickling waste water/liquid waste resourceful treatment method and system |
| CN108043108A (en) * | 2018-02-08 | 2018-05-18 | 福建欣宇卫浴科技股份有限公司 | A kind of solid-liquid separation system |
| CN108046480A (en) * | 2018-01-26 | 2018-05-18 | 福建欣宇卫浴科技股份有限公司 | Stainless steel acid cleaning waste water processing system |
-
2016
- 2016-01-11 CN CN201620021995.4U patent/CN205635149U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105481145A (en) * | 2016-01-11 | 2016-04-13 | 上海世渊环保科技有限公司 | Stainless steel pickling waste water/liquid waste resourceful treatment method and system |
| CN108046480A (en) * | 2018-01-26 | 2018-05-18 | 福建欣宇卫浴科技股份有限公司 | Stainless steel acid cleaning waste water processing system |
| CN108043108A (en) * | 2018-02-08 | 2018-05-18 | 福建欣宇卫浴科技股份有限公司 | A kind of solid-liquid separation system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105481145A (en) | Stainless steel pickling waste water/liquid waste resourceful treatment method and system | |
| CN104310647B (en) | Recycling method for treating stainless steel pickling acid pickle and wastewater | |
| CN104045182B (en) | A kind of processing method of metal plating waste water | |
| CN101481165B (en) | Process for treating chrome wastewater | |
| CN105417787B (en) | A kind of processing method of integrative electroplating waste | |
| CN101269889A (en) | Processing method for stainless steel acid cleaning waste water and liquid | |
| CN104805291A (en) | Method for treating stainless steel pickling waste liquor and recovering iron, chromium and nickel | |
| CN205635149U (en) | Stainless steel pickling waste waters / waste liquid resourceful treatment system | |
| CN109721187A (en) | A kind of chemical nickel plating waste solution processing method | |
| CN105132932A (en) | Reclaiming treatment method of galvanized-part backwashing waste acid liquor | |
| WO2017080164A1 (en) | Electroplating waste water processing process | |
| CN106380016A (en) | Steel pickling wastewater treatment and reuse method and device | |
| CN106746391A (en) | A kind of phosphatization recycling sludge method of disposal | |
| CN101863516A (en) | Method for recovering ferrite containing chromium and nickel in stainless steel pickling waste water sludge | |
| CN205773743U (en) | A kind of boiler acid washing wastewater processing system | |
| CN202558715U (en) | Treatment and reuse device for electrolytic manganese industrial wastewater | |
| CN204224358U (en) | Stainless-steel cold-rolling acid waste water treatment unit | |
| CN101921028B (en) | Method for treating liquid waste of silicon steel passivation solution | |
| CN208869412U (en) | The processing system of chromate waste water | |
| CN106957116A (en) | A kind of wastewater recycling system of phosphorus containing ammonium and method | |
| CN102992512A (en) | Treatment method of industrial wastewater | |
| CN103951105A (en) | Method for recycling and treating hot galvanizing process waste water | |
| CN103058416B (en) | Before-coating treatment and recycling method for zirconium treatment process waste water | |
| CN104310650B (en) | Chromium stainless steel cold rolling wastewater processing method | |
| CN104310651B (en) | Oil-containing stainless-steel cold-rolling wastewater treatment equipment and processing method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |