CN206940625U - The system for handling smelting wastewater - Google Patents
The system for handling smelting wastewater Download PDFInfo
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- CN206940625U CN206940625U CN201720536235.1U CN201720536235U CN206940625U CN 206940625 U CN206940625 U CN 206940625U CN 201720536235 U CN201720536235 U CN 201720536235U CN 206940625 U CN206940625 U CN 206940625U
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Abstract
The utility model discloses the system of processing smelting wastewater, the system includes：Regulating reservoir, there are smelting wastewater entrance and wastewater outlet；Device is neutralized, liquid exports after having waterwater entrance and neutralizing；Once oxidation device, there is after neutralization that liquid exports after liquid entrance and once oxidation；Concentrator, once oxidated solution entrance, supernatant outlet and the outlet of the first bottom ash；Apparatus for electrochemical treatment, there are supernatant entrance, the outlet of the second bottom ash and the rear liquid outlet containing the first flocculation group；Secondary oxidation apparatus, liquid exports after having rear liquid entrance and secondary oxidation containing the first flocculation group；Flocculation plant, there are liquid entrance, flocculant entrance and the rear liquid outlet containing the second flocculation group after secondary oxidation；Clarifier, there are the rear liquid entrance containing the second flocculation group, the outlet of the 3rd bottom ash and clarified wastewater outlet；Middle tank, there are clarified wastewater entrance and middle tank wastewater outlet；Filter, there are middle tank waterwater entrance, the outlet of the 4th bottom ash and filtrate outlet.
Description
Technical field
The utility model belongs to field of waste water treatment, specifically, the system that the utility model is related to processing smelting wastewater.
Background technology
Smelting wastewater refers to the waste water containing heavy metal that smelting industry is discharged in process of production.Smelting wastewater (such as cupric,
Lead, zinc, iron, aluminium etc.) it is environmental pollution most serious and the mankind is endangered with one of maximum industrial wastewater, its water quality and quantity and life
Production. art is relevant.Heavy metal in waste water can not typically decompose destruction, can only shift its existence position and change its Material Form.
Technology development mainly has precipitation, coagulating sedimentation, coagulating sedimentation filtering, flocculation reaction deposition etc., utilizes gravitational settling afterwards
Principle separates to the suspension of water body, and the major defect of prior art is that floor space is big, and maintenance management input is larger.
Therefore, the technology of existing processing smelting wastewater is further improved.
Utility model content
The utility model is intended to one of technical problem at least solving in correlation technique to a certain extent.Therefore, this reality
It is to propose a kind of system for handling smelting wastewater with a new purpose, the system process is simple and practical, and management is convenient, behaviour
It is strong to make stability, maintenance workload is small, good sewage processing effect, can effectively remove heavy metal and organic contamination in smelting wastewater
Thing, meet emission request.
In one side of the present utility model, the utility model proposes a kind of system for handling smelting wastewater.According to this
The embodiment of utility model, the system include：
Regulating reservoir, the regulating reservoir have smelting wastewater entrance and wastewater outlet；
Neutralize device, it is described neutralization device have waterwater entrance, molysite entrance, basic agent entrance and neutralize after liquid go out
Mouthful, and rear liquid exit is provided with pH meter automaton, the waterwater entrance and the wastewater outlet phase in described
Even；
Once oxidation device, the once oxidation device have liquid entrance, air intake, softening agent entrance and one after neutralization
Secondary oxidated solution outlet, liquid entrance is connected with liquid outlet after the neutralization after the neutralization；
Concentrator, liquid entrance, supernatant outlet and the first bottom ash export after the concentrator has once oxidation, and described one
Secondary oxidated solution entrance is connected with liquid outlet after the once oxidation；
Apparatus for electrochemical treatment, the apparatus for electrochemical treatment have supernatant entrance, the outlet of the second bottom ash and contain the
The rear liquid outlet of one flocculation group, the supernatant entrance are connected with the supernatant outlet；
Secondary oxidation apparatus, the secondary oxidation apparatus have rear liquid entrance and secondary oxidation containing the first flocculation group
Liquid exports afterwards, and the rear liquid entrance containing the first flocculation group is connected with the rear liquid outlet containing the first flocculation group；
Flocculation plant, the flocculation plant have liquid entrance after secondary oxidation, flocculant entrance and containing the second flocculation groups
The outlet of rear liquid, liquid entrance is exported with liquid after the secondary oxidation and is connected after the secondary oxidation；
Clarifier, the clarifier have the rear liquid entrance containing the second flocculation group, the outlet of the 3rd bottom ash and clarification
Wastewater outlet, the rear liquid entrance containing the second flocculation group are connected with the rear liquid outlet containing the second flocculation group；
Middle tank, the middle tank have clarified wastewater entrance and middle tank wastewater outlet, the clarified wastewater
Entrance is connected with clarified wastewater outlet；
Filter, the filter have middle tank waterwater entrance, the outlet of the 4th bottom ash and filtrate outlet, institute
Middle tank waterwater entrance is stated with the middle tank wastewater outlet to be connected.
According to the system of the processing smelting wastewater of the utility model embodiment by being set before smelting wastewater treatment facility
Put regulating reservoir and can be used to regulation into and out of the flow of smelting wastewater so that the system of subsequent treatment smelting wastewater is not by smelting wastewater
The influence of peak flow or change in concentration；The neutralized device of waste water stream, the additional molysite in waste water, it can be flocculated with the arsenic in waste water
And react, the salts such as the pyroarsenous acid iron of indissoluble are generated, so as to reach the purpose that arsenic removal is gone from waste water, other heavy metals
Ion can then be removed by forming hydroxide precipitation, and the iron hydroxide that molysite is formed through hydrolysis oxidation has adsorption-flocculation work
With, while the addition of basic agent is advantageous to adjust the pH value of smelting wastewater, liquid after being neutralized；In once oxidation device,
Liquid is aerated in the presence of air after the neutralization of above-mentioned gained, with dissolved oxygen or is removed dissolved gas in smelting wastewater and is waved
Volatile material, while carry out softening with rear liquid in the presence of softening agent and remove firmly, obtain liquid after once oxidation；Once oxidation
Liquid is stood in concentrator afterwards, obtains supernatant and the first bottom ash；The supernatant of gained flows into apparatus for electrochemical treatment, in electrification
Learn in processing unit by the reaction such as electrolysis-coagulation, electrofloatation and electrolysis oxidation-reduction, produce a series of multinuclear hydroxyl networks
Dissolubility, colloid and the suspension especially heavy metal pollution factor in compound and hydroxide, with water produces flocculation, from
And substantial amounts of pollutant flocculation group is produced, obtain the rear liquid and the second bottom ash containing the first flocculation group；The first flocculation group should be contained
Rear liquid subsequently enter secondary oxidation apparatus so that ferrous ion therein is further converted to bulky ferric hydroxide precipitate, and
In the presence of flocculant in flocculation plant, the sediment based on iron hydroxide of above-mentioned gained becomes bigger floccule body；
It is then passed through clarifier to be clarified, the 3rd bottom ash is discharged, obtains clarified wastewater；Clarified wastewater is passed through in water storage device
Between tank and filtered device filtered, obtain filtered fluid and the 4th bottom ash, and filtered fluid can flow to reuse pool certainly.By
This, the system process is simple and practical, and management is convenient, and operational stability is strong, and maintenance workload is small, good sewage processing effect, can have
Effect removes the heavy metal and organic pollution in smelting wastewater, meets emission request.
In addition, according to the system of the processing smelting wastewater of the utility model above-described embodiment, can also have following additional
Technical characteristic：
Optional, the second bottom ash outlet is connected with the concentrator.Thus, the second bottom ash can be concentrated with the first bottom ash
Processing, be advantageous to the sewage treatment capacity of the system of enhancing processing smelting wastewater.
Optional, the 3rd bottom ash outlet is connected with the concentrator.Thus, the 3rd bottom ash can be concentrated with the first bottom ash
Processing, the sewage treatment capacity of the system of processing smelting wastewater can be further enhanced.
Optional, the 4th bottom ash outlet is connected with the concentrator.Thus, the 4th bottom ash can be concentrated with the first bottom ash
Processing, the sewage treatment capacity of the system of processing smelting wastewater can be further enhanced.
Optional, the system of the processing smelting wastewater further comprises：There is bottom ash to enter for filter press, the filter press
Mouth, filtrate (liquid and sludge outlet, the bottom ash entrance are connected with first bottom ash outlet.Thus, be advantageous to concentrate to whole
The bottom ash of individual system is handled, and can further enhance the sewage treatment capacity of the system of processing smelting wastewater.
Optional, the system of the processing smelting wastewater further comprises：Slag chute, the slag chute go out with second bottom ash
Mouthful, the 3rd bottom ash outlet and the 4th bottom ash outlet at least one of be connected, and the slag chute with it is described dense
Machine is connected.Thus, the sewage treatment capacity of the system of processing smelting wastewater can be further enhanced.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will in the description from combination accompanying drawings below to embodiment
Become obvious and be readily appreciated that, wherein：
Fig. 1 is the system structure diagram according to the processing smelting wastewater of the utility model one embodiment；
Fig. 2 is the system structure diagram according to the processing smelting wastewater of the utility model further embodiment；
Fig. 3 is the system structure diagram for handling smelting wastewater according to another embodiment of the utility model；
Fig. 4 is the system structure diagram for handling smelting wastewater according to another embodiment of the utility model；
Fig. 5 is the method stream according to the system processing smelting wastewater of the processing smelting wastewater of the utility model one embodiment
Journey schematic diagram；
Fig. 6 is the method according to the system processing smelting wastewater of the processing smelting wastewater of the utility model further embodiment
Schematic flow sheet；
Fig. 7 is the method according to the system processing smelting wastewater of the processing smelting wastewater of the utility model another embodiment
Schematic flow sheet.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two
It is individual, three etc., unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal or the interaction relationship of two elements, limited unless otherwise clear and definite.For the common skill of this area
For art personnel, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In one side of the present utility model, the utility model proposes a kind of system for handling smelting wastewater.According to this
The embodiment of utility model, with reference to figure 1 and Fig. 2, the system includes：Regulating reservoir 100, neutralize device 200, once oxidation device
300th, concentrator 400, apparatus for electrochemical treatment 500, secondary oxidation apparatus 600, flocculation plant 700, clarifier 800, centre
Tank 900 and filter 1000.
According to embodiment of the present utility model, regulating reservoir 100 has smelting wastewater entrance 101 and wastewater outlet 102, and suitable
In smelting wastewater is adjusted into processing, to obtain waste water.Specifically, in waste water may contain Cu, Pb, As, Zn, Bi, Ni,
The materials such as Se, Sn, Te, Sb, by setting regulating reservoir to can be used to regulation into and out of smelting wastewater before smelting wastewater treatment facility
Flow so that the system of subsequent treatment smelting wastewater is not influenceed by smelting wastewater peak flow or change in concentration.Need
Bright, those skilled in the art can be according to being actually needed to having related parameter to select in regulating reservoir.
According to embodiment of the present utility model, neutralizing device 200 has waterwater entrance 201, molysite entrance 202, alkaline medicine
Liquid outlet 204 after agent entrance 203 and neutralization, and it is provided with pH meter automaton 21, waste water at liquid outlet 204 after the neutralization
Entrance 201 is connected with wastewater outlet 102, and suitable for waste water, molysite and basic agent are carried out into neutralisation treatment, to be neutralized
Liquid afterwards.Inventor has found, in and in device, the additional molysite in waste water, can flocculate and react with the arsenic in waste water, raw
The salts such as the pyroarsenous acid iron into indissoluble, so as to reach the purpose that arsenic removal is gone from waste water, other heavy metal ion can then pass through
Form hydroxide precipitation to remove, and the iron hydroxide that molysite is formed through hydrolysis oxidation has adsorption-flocculation effect, while alkaline medicine
The addition of agent is advantageous to adjust the pH value of smelting wastewater, liquid after being neutralized.The related chemistry reaction equation neutralized in device is as follows：
Ca(OH)2+Fe2+→Fe(OH)2↓+Ca2+ (1)
3Ca(OH)2+2Fe3+→2Fe(OH)3↓+3Ca2+ (2)
As2O3+2Fe(OH)2→Fe2As2O5↓+2H2O (3)
H3AsO4+Fe(OH)3→FeAsO4↓+3H2O (4)
H3AsO3+Fe(OH)3→FeAsO3↓+3H2O (5)
Men++nOH-→Me(OH)n↓ (6)
Wherein, Men+Represent heavy metal ion.
According to one embodiment of the present utility model, molysite is not particularly restricted, and those skilled in the art can basis
It is actually needed and is selected, according to a specific embodiment of the present utility model, molysite can be selected from ferrous sulfate and polymerization
At least one of ferric sulfate.Specifically, the additional molysite in waste water, can flocculate and react with the arsenic in waste water, generation
The salts such as the pyroarsenous acid iron of indissoluble, so as to reach the purpose that arsenic removal is gone from waste water, other heavy metal ion can then pass through shape
Hydrate precipitation removes, and the iron hydroxide that molysite can act on after hydrolysis oxidation formed with adsorption-flocculation in itself.
According to further embodiment of the present utility model, the addition of molysite is not especially to limit, people in the art
Member can be selected according to being actually needed, according to a specific embodiment of the present utility model, based on 1 ton of waste water, molysite
Addition is 0.15-0.2kg.Inventor has found, can be significantly better than other additions using the molysite of the content and significantly improve
The effect of waste water arsenic removal, at the same it is cost-effective.
According to another embodiment of the present utility model, basic agent is not particularly restricted, and those skilled in the art can
It is actually needed and is selected with basis, according to a specific embodiment of the present utility model, basic agent can be selected from lime
At least one of breast or liquid caustic soda.Specifically, the addition of basic agent is advantageous to adjust the pH value of waste water.
According to another embodiment of the present utility model, the addition of basic agent can be set according to liquid exit after neutralization
PH meter automaton be controlled, and neutralize wastewater outlet at neutralize waste water pH value can be 7.0.
According to embodiment of the present utility model, once oxidation device 300 has liquid entrance 301, air intake after neutralization
302nd, liquid outlet 304 after softening agent entrance 303 and once oxidation, after neutralization liquid entrance 301 with neutralize after liquid export 204 and be connected,
And once oxidation processing is carried out suitable for liquid, air and softening agent after neutralizing, to obtain liquid after once oxidation.Specifically,
In once oxidation device, liquid carries out aerating oxidation in the presence of air after the neutralization of above-mentioned gained, with dissolved oxygen or removes smelting
Dissolved gas and volatile materials in waste water, while carry out softening with rear liquid in the presence of softening agent and remove firmly, obtain
Liquid after once oxidation.
According to one embodiment of the present utility model, the type of softening agent is not particularly restricted, those skilled in the art
It can be selected according to being actually needed, according to a specific embodiment of the present utility model, softening agent can be sodium carbonate.By
This, can significantly reduce the water hardness of liquid after neutralizing, and strengthen the sewage treatment capacity of the system.
According to further embodiment of the present utility model, the dosage of softening agent is not particularly restricted, people in the art
Member can be selected according to being actually needed, according to a specific embodiment of the present utility model, after 1 ton of neutralization
Liquid, the addition of the softening agent is 0.5-1.0kg.Inventor's discovery, can be notable using the content of the softening agent of the scope
The bating effect of liquid after neutralizing is significantly improved better than other additions, at the same it is cost-effective.
According to embodiment of the present utility model, concentrator 400 has liquid entrance 401, supernatant outlet 402 after once oxidation
403 are exported with the first bottom ash, liquid entrance 401 is connected with liquid outlet 304 after once oxidation after once oxidation, and is suitable to an oxygen
Liquid carries out dense processing after change, to obtain supernatant and the first bottom ash.Inventor's discovery, after above-mentioned neutralisation treatment, once
The heavy metals such as most copper, lead, arsenic, zinc in oxidated solution generation sediment is stayed in the first bottom ash, remains in supernatant on a small quantity
In liquid, thus, by dense processing, be advantageous to remove the heavy metals such as copper after once oxidation in liquid, lead, arsenic, zinc.
According to embodiment of the present utility model, there is apparatus for electrochemical treatment 500 supernatant entrance 501, the second bottom ash to go out
Mouthfuls 502 and the rear liquid outlet 503 containing the first flocculation group, supernatant entrance 501 is connected with supernatant outlet 402, and be suitable to by
Supernatant carries out electrochemical treatments, to obtain the rear liquid and the second bottom ash containing the first flocculation group.Specifically, the supernatant of gained
Liquid stream enters apparatus for electrochemical treatment, and electrolysis-coagulation, electrofloatation and electrolysis oxidation-reduction are passed through in apparatus for electrochemical treatment
Deng reaction, a series of multinuclear hydroxo complex and hydroxide are produced, it is especially heavy with the dissolubility in water, colloid and suspension
The metallic pollution factor produces flocculation, so as to produce substantial amounts of pollutant flocculation group, obtains the rear liquid containing the first flocculation group
With the second bottom ash.Thus, the harmful substances such as the heavy metal in supernatant can further be removed.Inventor has found that electrocoagulation is
Fe is generated using electrolytic oxidation iron filings, iron plate or aluminium sheet etc.2+、Fe3+Or Al3+, re-form Fe (OH)2、Fe(OH)3With Al (OH)3
Deng sediment, i.e., by flocculating, settling the pollutant further removed in supernatant.In addition, abundant bubble is produced during electrolysis
Seizure flco ability and it is floating carry that power is stronger than the bubble that pressure floatation air is discharged, therefore great quantity of floc is in abundant microbubble
Lower rapid floating is carried under one's arms, so as to reach the purpose to purify water.Wherein, during electrochemical treatments are carried out to supernatant,
Control electric current intensity is in 600-700A or so, if content of beary metal is higher, appropriateness heightens current strength, and control electric current is anti-
To the cycle within 600-900s, and it is 9~10 to control in electrochemical treatment process the pH of supernatant.
According to one embodiment of the present utility model, the second bottom ash outlet 502 is connected with concentrator 400.Thus, be advantageous to
The floor space of whole processing system is saved, reduces maintenance management cost.
According to embodiment of the present utility model, secondary oxidation apparatus 600 has the rear liquid entrance 601 containing the first flocculation group
And liquid outlet 602 after secondary oxidation, the rear liquid entrance 601 containing the first flocculation group export with the rear liquid containing the first flocculation group
503 are connected, and suitable for the rear liquid containing the first flocculation group is carried out into secondary oxidation, to obtain liquid after secondary oxidation.Inventor
It was found that when the rear liquid containing the first flocculation group carries out secondary oxidation in secondary oxidation apparatus, ferrous ion therein is further
It is converted into bulky ferric hydroxide precipitate.Specifically, the process is also to be aoxidized by the way of mechanical aeration.
According to embodiment of the present utility model, flocculation plant 700 has liquid entrance 701, flocculant entrance after secondary oxidation
702 and the rear liquid outlet 703 containing the second flocculation group, liquid entrance 701 and 602 phases of liquid outlet after secondary oxidation after secondary oxidation
Even, and suitable for liquid after secondary oxidation and flocculant are carried out into flocculation treatment, to obtain the rear liquid containing the second flocculation group.Invention
People has found that in the presence of the flocculant in flocculation plant, the sediment based on iron hydroxide of above-mentioned gained becomes bigger
Floccule body.It should be noted that different flocculant adsorption mechanisms is different, the flocculating principles of polyacrylamide are mainly by inhaling
Bridge formation is echoed, by the suction-operated of the charged group on macromolecular chain, tiny particle is drawn together and accelerated so as to realize
Sedimentation, reach the purpose for accelerating separation of solid and liquid.It should be noted that liquid can be carried out at flocculation at normal temperatures after secondary oxidation
Reason, liquid after secondary oxidation can be typically allowed fully to be reacted with flocculant within 1-2 hours.
According to one embodiment of the present utility model, the type of flocculant is not particularly restricted, those skilled in the art
It can be selected according to being actually needed, according to a specific embodiment of the present utility model, flocculant can be selected from poly- third
At least one of acrylamide, aluminium polychloride, polymeric aluminium ferrum silicate and ferric trichloride.It should be noted that different flocculation
Agent adsorption mechanism is different, and the flocculating principles of polyacrylamide pass through the powered base on macromolecular chain mainly by adsorbing and building bridge
The suction-operated of group, tiny particle is drawn together to the purpose for so as to realize Accelerated subsidence, reaching and accelerating separation of solid and liquid.By
This, may be such that the sediment after secondary oxidation in liquid based on iron hydroxide becomes bigger floccule body.
According to further embodiment of the present utility model, the addition of flocculant is not particularly restricted, art technology
Personnel can be selected according to being actually needed, according to a specific embodiment of the present utility model, after 1 ton of secondary oxidation
Liquid, the addition of flocculant can be 5-10g.Inventor has found, can be significantly better than other using the flocculant of the scope and contain
The flocculation treatment effect that scope improves liquid after secondary oxidation is measured, at the same it is cost-effective.
According to embodiment of the present utility model, clarifier 800 has the rear liquid entrance 801 containing the second flocculation group, the
Three bottom ash outlet 802 and clarified wastewater outlet 803, the rear liquid entrance 801 containing the second flocculation group is with containing the second flocculation group
Liquid outlet 703 is connected afterwards, and suitable for the rear liquid containing the second flocculation group is clarified, it is useless to obtain the 3rd bottom ash and clarification
Water.Thus, the harmful substances such as the heavy metal in the rear liquid containing the second flocculation group can further be removed.
According to one embodiment of the present utility model, the 3rd bottom ash outlet 802 is connected with concentrator 400.Thus, one can be entered
Step saves the floor space of whole processing system, reduces maintenance management cost.
According to embodiment of the present utility model, there is middle tank 900 clarified wastewater entrance 901 and middle tank waste water to go out
Mouth 902, clarified wastewater entrance 901 is connected with clarified wastewater outlet 803, and is adapted as transition water storage device.Thus, be advantageous to
The transition of clarified wastewater.
According to embodiment of the present utility model, filter 1000 has middle tank waterwater entrance 1001, the 4th bottom ash
Outlet 1002 and filtrate outlet 1003, middle tank waterwater entrance 1001 is connected with middle tank wastewater outlet 902, and is suitable to
Middle tank waste water is filtered, to obtain the 4th bottom ash and filtered fluid.Thus, middle tank waste water can further be removed
In the harmful substance such as heavy metal, and the filtered fluid of gained can flow to reuse pool certainly, and in the filtered fluid of gained copper content
Less than 0.5mg/L, the content of arsenic is less than 0.5mg/L, and the content of zinc is less than 0.2mg/L, and the content of lead is less than 1.0mg/L, sulphur
Content is less than 70.0mg/L, and the pH value of filtered fluid is between 6-9.
According to one embodiment of the present utility model, the 4th bottom ash outlet 1002 is connected with concentrator 400.Thus, can enter
One step saves the floor space of whole processing system, reduces maintenance management cost.
According to the system of the processing smelting wastewater of the utility model embodiment by being set before smelting wastewater treatment facility
Put regulating reservoir and can be used to regulation into and out of the flow of smelting wastewater so that the system of subsequent treatment smelting wastewater is not by smelting wastewater
The influence of peak flow or change in concentration；The neutralized device of waste water stream, the additional molysite in waste water, it can be flocculated with the arsenic in waste water
And react, the salts such as the pyroarsenous acid iron of indissoluble are generated, so as to reach the purpose that arsenic removal is gone from waste water, other heavy metals
Ion can then be removed by forming hydroxide precipitation, and the iron hydroxide that molysite is formed through hydrolysis oxidation has adsorption-flocculation work
With, while the addition of basic agent is advantageous to adjust the pH value of smelting wastewater, liquid after being neutralized；In once oxidation device,
Liquid is aerated in the presence of air after the neutralization of above-mentioned gained, with dissolved oxygen or is removed dissolved gas in smelting wastewater and is waved
Volatile material, while carry out softening with rear liquid in the presence of softening agent and remove firmly, obtain liquid after once oxidation；Once oxidation
Liquid is stood in concentrator afterwards, obtains supernatant and the first bottom ash；The supernatant of gained flows into apparatus for electrochemical treatment, in electrification
Learn in processing unit by the reaction such as electrolysis-coagulation, electrofloatation and electrolysis oxidation-reduction, produce a series of multinuclear hydroxyl networks
Dissolubility, colloid and the suspension especially heavy metal pollution factor in compound and hydroxide, with water produces flocculation, from
And substantial amounts of pollutant flocculation group is produced, obtain the rear liquid and the second bottom ash containing the first flocculation group；The first flocculation group should be contained
Rear liquid subsequently enter secondary oxidation apparatus so that ferrous ion therein is further converted to bulky ferric hydroxide precipitate, and
In the presence of flocculant in flocculation plant, the sediment based on iron hydroxide of above-mentioned gained becomes bigger floccule body；
It is then passed through clarifier to be clarified, the 3rd bottom ash is discharged, obtains clarified wastewater；Clarified wastewater is passed through in water storage device
Between tank and filtered device filtered, obtain filtered fluid and the 4th bottom ash, and filtered fluid can flow to reuse pool certainly.By
This, the system process is simple and practical, and management is convenient, and operational stability is strong, and maintenance workload is small, good sewage processing effect, can have
Effect removes the heavy metal and organic pollution in smelting wastewater, and the content of copper is small in the filtered fluid of the gained after the system is handled
In 0.5mg/L, the content of arsenic is less than 0.5mg/L, and the content of zinc is less than 0.2mg/L, and the content of lead is less than 1.0mg/L, and sulphur contains
Amount is less than 70.0mg/L, and the pH value of filtered fluid is between 6-9.
According to embodiment of the present utility model, with reference to figure 3 and Fig. 2, the system of above-mentioned processing smelting wastewater further comprises：
Filter press 1100.According to embodiment of the present utility model, filter press 1100 has bottom ash entrance 1101, filtrate (liquid 1102 and filter
Slag outlet 1103, bottom ash entrance 1101 are connected with the first bottom ash outlet 403, and suitable for bottom ash is carried out into press filtration processing, so as to
To filtrate and filter residue.Specifically, filter press can be chamber-type press filter.Thus, be advantageous to improve the processing smelting wastewater is
The sewage treatment capacity of system.
According to embodiment of the present utility model, with reference to figure 4 and Fig. 2, the system of above-mentioned processing smelting wastewater further comprises：
Slag chute 1200.According to embodiment of the present utility model, the bottom ash of slag chute 1200 and second exports the 502, the 3rd bottom ash outlet 802 and the
Four bottom ash outlet at least one of 1002 is connected, and slag chute 1200 is connected with concentrator 400.Thus, can further improve
The sewage treatment capacity of the system of the processing smelting wastewater.
The advantages of following is selected from as described above, can have according to the system of the processing smelting wastewater of the utility model embodiment
At least one：
Co-precipitation according to the system of the processing smelting wastewater of the utility model embodiment by using heavy metal and molysite
Phenomenon, the harmful heavy metal contained in smelting wastewater is subjected to continuous processing with the precipitation method, effectively can be removed in smelting wastewater
Heavy metal.
According to the system of the processing smelting wastewater of the utility model embodiment by using at lime-iron salt method and electrochemistry
Reason method is combined, and can not only handle inorganic pollution, can also handle organic pollution, and particularly some can not use biology
The toxic organic compound of degraded.
Simple and practical according to the system handling process of the processing smelting wastewater of the utility model embodiment, management is convenient, and
Operational stability is strong, and maintenance workload is small.
In order to facilitate understanding, below with reference to Fig. 5-7 pairs of systems using the processing smelting wastewater of the utility model embodiment
The method of processing smelting wastewater is described in detail, and according to embodiment of the present utility model, with reference to figure 5, this method includes：
S100：Smelting wastewater is supplied into regulating reservoir
In the step, smelting wastewater is supplied into regulating reservoir, to obtain waste water.Specifically, it may contain in waste water
The materials such as Cu, Pb, As, Zn, Bi, Ni, Se, Sn, Te, Sb, by setting regulating reservoir can use before smelting wastewater treatment facility
To adjust the flow into and out of smelting wastewater so that the system of subsequent treatment smelting wastewater is not by smelting wastewater peak flow or dense
Spend the influence of change.It should be noted that those skilled in the art can be according to being actually needed to having related parameter to enter in regulating reservoir
Row selection.
S200：Waste water, molysite and basic agent are supplied and carry out neutralisation treatment into neutralization device
In the step, waste water, molysite and basic agent are supplied and carry out neutralisation treatment into neutralization device, in obtaining
With rear liquid.Inventor has found, in and in device, the additional molysite in waste water, can flocculate and react with the arsenic in waste water,
The salts such as the pyroarsenous acid iron of indissoluble are generated, so as to reach the purpose that arsenic removal is gone from waste water, other heavy metal ion can then lead to
Cross to form hydroxide precipitation removal, and the iron hydroxide that molysite is formed through hydrolysis oxidation has adsorption-flocculation effect, while alkalescence
The addition of medicament is advantageous to adjust the pH value of smelting wastewater, liquid after being neutralized.Related chemistry reaction equation in neutralization device is such as
Under：
Ca(OH)2+Fe2+→Fe(OH)2↓+Ca2+ (1)
3Ca(OH)2+2Fe3+→2Fe(OH)3↓+3Ca2+ (2)
As2O3+2Fe(OH)2→Fe2As2O5↓+2H2O (3)
H3AsO4+Fe(OH)3→FeAsO4↓+3H2O (4)
H3AsO3+Fe(OH)3→FeAsO3↓+3H2O (5)
Men++nOH-→Me(OH)n↓ (6)
Wherein, Men+Represent heavy metal ion.
According to one embodiment of the present utility model, molysite is not particularly restricted, and those skilled in the art can basis
It is actually needed and is selected, according to a specific embodiment of the present utility model, molysite can be selected from ferrous sulfate and polymerization
At least one of ferric sulfate.Specifically, the additional molysite in waste water, can flocculate and react with the arsenic in waste water, generation
The salts such as the pyroarsenous acid iron of indissoluble, so as to reach the purpose that arsenic removal is gone from waste water, other heavy metal ion can then pass through shape
Hydrate precipitation removes, and the iron hydroxide that molysite can act on after hydrolysis oxidation formed with adsorption-flocculation in itself.
According to further embodiment of the present utility model, the addition of molysite is not especially to limit, people in the art
Member can be selected according to being actually needed, according to a specific embodiment of the present utility model, based on 1 ton of waste water, molysite
Addition can be 0.15-0.2kg.Inventor has found, it is notable can be significantly better than other additions using the molysite of the content
The effect of waste water arsenic removal is improved, at the same it is cost-effective.
According to another embodiment of the present utility model, basic agent is not particularly restricted, and those skilled in the art can
It is actually needed and is selected with basis, according to a specific embodiment of the present utility model, basic agent can be selected from lime
At least one of breast or liquid caustic soda.Specifically, the addition of basic agent is advantageous to adjust the pH value of waste water.
According to another embodiment of the present utility model, the addition of basic agent can be set according to liquid exit after neutralization
PH meter automaton be controlled, and neutralize wastewater outlet at neutralize waste water pH value can be 7.0.
S300：Liquid, air and softening agent after neutralization are supplied oxidation processes are carried out into once oxidation device
In the step, liquid, air and softening agent after neutralization are supplied oxidation processes are carried out into once oxidation device, so as to
Obtain liquid after once oxidation.Specifically, in once oxidation device, liquid is carried out in the presence of air after the neutralization of above-mentioned gained
Aerating oxidation, with dissolved oxygen or dissolved gas and volatile materials in smelting wastewater are removed, at the same it is right in the presence of softening agent
Liquid soften and removed firmly after neutralization, obtains liquid after once oxidation.
According to one embodiment of the present utility model, the type of softening agent is not particularly restricted, those skilled in the art
It can be selected according to being actually needed, according to a specific embodiment of the present utility model, softening agent can be sodium carbonate.By
This, can significantly reduce the water hardness of liquid after neutralizing, and strengthen the sewage treatment capacity of the system.
According to further embodiment of the present utility model, the dosage of softening agent is not particularly restricted, people in the art
Member can be selected according to being actually needed, according to a specific embodiment of the present utility model, after 1 ton of neutralization
Liquid, the addition of the softening agent is 0.5-1.0kg.Inventor's discovery, can be notable using the content of the softening agent of the scope
The bating effect of liquid after neutralizing is significantly improved better than other additions, at the same it is cost-effective.
S400：Liquid after once oxidation is supplied into concentrator and carries out dense processing
In the step, liquid after once oxidation is supplied into concentrator and carries out dense processing, to obtain supernatant and
One bottom ash.Inventor has found, after above-mentioned neutralisation treatment, the heavy metal such as most copper, lead, arsenic, zinc after once oxidation in liquid
Generation sediment is stayed in the first bottom ash, is remained on a small quantity in supernatant, thus, by dense processing, is advantageous to remove once
The heavy metals such as copper, lead, arsenic, zinc in oxidated solution.
S500：Supernatant is supplied into apparatus for electrochemical treatment and carries out electrochemical treatments
In the step, supernatant is supplied into apparatus for electrochemical treatment and carries out electrochemical treatments, to obtain the second bottom
Slag and the rear liquid containing the first flocculation group.Specifically, the supernatant of gained flows into apparatus for electrochemical treatment, filled in electrochemical treatments
Put middle electrolysis-coagulation, electrofloatation and electrolysis oxidation-reduction etc. of passing through to react, produce a series of multinuclear hydroxo complex and hydrogen
Dissolubility, colloid and the suspension especially heavy metal pollution factor in oxide, with water produces flocculation, big so as to produce
The pollutant flocculation group of amount, obtains the rear liquid and the second bottom ash containing the first flocculation group.Thus, further can remove in supernatant
The harmful substance such as heavy metal.Inventor has found that electrocoagulation is to generate Fe using electrolytic oxidation iron filings, iron plate or aluminium sheet etc.2+、
Fe3+Or Al3+, re-form Fe (OH)2、Fe(OH)3With Al (OH)3Deng sediment, i.e., further remove supernatant by flocculating, settling
Pollutant in liquid.Power is carried than pressure floatation air institute in addition, producing the ability of the seizure flco of abundant bubble during electrolysis and floating
The bubble of release is strong, therefore great quantity of floc carries under one's arms lower rapid floating in abundant microbubble, so as to reach the purpose to purify water.
Wherein, during electrochemical treatments are carried out to supernatant, control electric current intensity is in 600~700A or so, if heavy metal contains
To measure higher, then appropriateness heightens current strength, and control electric current reversal periods are within 600-900s, and in electrochemical treatments
During control supernatant pH be 9~10.
S600：Rear liquid containing the first flocculation group is supplied into secondary oxidation apparatus and carries out oxidation processes
In the step, the rear liquid containing the first flocculation group is supplied into secondary oxidation apparatus and carries out oxidation processes, so as to
Obtain liquid after secondary oxidation.Inventor has found that the rear liquid containing the first flocculation group carries out secondary oxidation in secondary oxidation apparatus
When, ferrous ion therein is further converted to bulky ferric hydroxide precipitate.Specifically, the process is also the side using mechanical aeration
What formula was aoxidized.
S700：Liquid after secondary oxidation and flocculant are supplied into flocculation plant and carry out flocculation treatment
In the step, liquid after secondary oxidation and flocculant are supplied into flocculation plant and carry out flocculation treatment, to obtain
Rear liquid containing the second flocculation group.Inventor has found, in the presence of the flocculant in flocculation plant, above-mentioned gained with hydrogen-oxygen
Change the sediment based on iron and become bigger floccule body.It should be noted that different flocculant adsorption mechanisms is different, polypropylene
The flocculating principles of acid amides, will be tiny by the suction-operated of the charged group on macromolecular chain mainly by adsorbing and building bridge
Particle is drawn together the purpose for so as to realize Accelerated subsidence, reaching and accelerating separation of solid and liquid.It should be noted that liquid after secondary oxidation
Flocculation treatment can be carried out at normal temperatures, can typically allow liquid after secondary oxidation fully to be reacted with flocculant within 1-2 hours.
According to one embodiment of the present utility model, the type of flocculant is not particularly restricted, those skilled in the art
It can be selected according to being actually needed, according to a specific embodiment of the present utility model, flocculant can be selected from poly- third
At least one of acrylamide, aluminium polychloride, polymeric aluminium ferrum silicate and ferric trichloride.It should be noted that different flocculation
Agent adsorption mechanism is different, and the flocculating principles of polyacrylamide pass through the powered base on macromolecular chain mainly by adsorbing and building bridge
The suction-operated of group, tiny particle is drawn together to the purpose for so as to realize Accelerated subsidence, reaching and accelerating separation of solid and liquid.By
This, may be such that the sediment after secondary oxidation in liquid based on iron hydroxide becomes bigger floccule body.
According to further embodiment of the present utility model, the addition of flocculant is not particularly restricted, art technology
Personnel can be selected according to being actually needed, according to a specific embodiment of the present utility model, after 1 ton of secondary oxidation
Liquid, the addition of flocculant can be 5-10g.Inventor has found, can be significantly better than other using the flocculant of the scope and contain
The flocculation treatment effect that scope improves liquid after secondary oxidation is measured, at the same it is cost-effective.
S800：Rear liquid containing the second flocculation group is supplied into clarifier and carries out clarifying treatment
In the step, the rear liquid containing the second flocculation group is supplied into clarifier and carries out clarifying treatment, to obtain
3rd bottom ash and clarified wastewater.Thus, the harmful substances such as the heavy metal in the rear liquid containing the second flocculation group can further be removed.
S900：Clarified wastewater is supplied to middle tank
In the step, clarified wastewater is supplied to middle tank, to obtain middle tank waste water.Thus, be advantageous to clear
The transition of stripping water.
S1000：Middle tank waste water is supplied and filtered into filter
In the step, middle tank waste water is supplied and filtered into filter, to obtain the 4th bottom ash and mistake
Filtrate.Thus, the harmful substances such as the heavy metal in middle tank waste water can be further removed, and the filtered fluid of gained can be flow to certainly
Reuse pool, and the content of copper is less than 0.5mg/L in the filtered fluid of gained, the content of arsenic is less than 0.5mg/L, and the content of zinc is less than
0.2mg/L, the content of lead are less than 1.0mg/L, and the content of sulphur is less than 70.0mg/L, and the pH value of filtered fluid is between 6-9.
The method of smelting wastewater is handled by smelting according to the system of the processing smelting wastewater of the utility model embodiment
Regulating reservoir is set to can be used to regulation into and out of the flow of smelting wastewater before waste water disposal facility so that subsequent treatment smelting wastewater
System do not influenceed by smelting wastewater peak flow or change in concentration；The neutralized device of waste water stream, the additional molysite in waste water,
It can flocculate and react with the arsenic in waste water, generate the salts such as the pyroarsenous acid iron of indissoluble, removed so as to reach from waste water
The purpose of arsenic, other heavy metal ion can then be removed by forming hydroxide precipitation, and the hydrogen that molysite is formed through hydrolysis oxidation
Iron oxide has adsorption-flocculation effect, while the addition of basic agent is advantageous to adjust the pH value of smelting wastewater, liquid after being neutralized；
In once oxidation device, liquid is aerated in the presence of air after the neutralization of above-mentioned gained, and with dissolved oxygen or to remove smelting useless
Dissolved gas and volatile materials in water, while carry out softening with rear liquid in the presence of softening agent and remove firmly, obtain one
Secondary oxidated solution；Liquid is stood in concentrator after once oxidation, obtains supernatant and the first bottom ash；The supernatant of gained flows into electricity
Chemical processing device, by the reaction such as electrolysis-coagulation, electrofloatation and electrolysis oxidation-reduction, production in apparatus for electrochemical treatment
A series of raw multinuclear hydroxo complex and dissolubility, colloid and the suspension especially heavy metal pollution in hydroxide, with water
The factor produces flocculation, so as to produce substantial amounts of pollutant flocculation group, obtains the rear liquid containing the first flocculation group and the second bottom
Slag；The rear liquid for containing the first flocculation group subsequently enters secondary oxidation apparatus so that ferrous ion therein is further converted to
Bulky ferric hydroxide precipitate, and in the presence of the flocculant in flocculation plant, the precipitation based on iron hydroxide of above-mentioned gained
Thing becomes bigger floccule body；It is then passed through clarifier to be clarified, the 3rd bottom ash is discharged, obtains clarified wastewater；Clarification
Waste water passes through water storage device middle tank and filtered device is filtered, and obtains filtered fluid and the 4th bottom ash, and filtered fluid
Reuse pool can be flow to certainly.Thus, the system process is simple and practical, and management is convenient, and operational stability is strong, and maintenance workload is small,
Good sewage processing effect, it can effectively remove heavy metal and organic pollution in smelting wastewater, the gained after the system is handled
Filtered fluid in the content of copper be less than 0.5mg/L, the content of arsenic is less than 0.5mg/L, and the content of zinc is less than 0.2mg/L, and lead contains
Amount is less than 1.0mg/L, and the content of sulphur is less than 70.0mg/L, and the pH value of filtered fluid is between 6-9.
According to embodiment of the present utility model, with reference to figure 6, the side of the system processing smelting wastewater of above-mentioned processing smelting wastewater
Method further comprises：
S1100：First bottom ash is supplied to filter press and carries out press filtration processing
In the step, the first bottom ash is supplied to filter press and carries out press filtration processing, to obtain filtrate and filter residue.Thus,
Be advantageous to improve the sewage treatment capacity of the system of the processing smelting wastewater.
According to embodiment of the present utility model, with reference to figure 7, the side of the system processing smelting wastewater of above-mentioned processing smelting wastewater
Method further comprises：
S1200：At least one of second bottom ash, the 3rd bottom ash and the 4th bottom ash are supplied to concentrator through slag chute
In the step, at least one of the second bottom ash, the 3rd bottom ash and the 4th bottom ash are supplied to concentrator through slag chute.
Thus, it can further improve the sewage treatment capacity of the system of the processing smelting wastewater.
Below with reference to specific embodiment, the utility model is described, it is necessary to which explanation is, these embodiments are only
Descriptive, without limiting the utility model in any way.
Embodiment 1
Smelting wastewater is supplied into regulating reservoir, it is 500m to control its flow3/ day, then by waste water and ferrous sulfate, stone
Grey breast supply carries out neutralisation treatment into neutralization device, wherein, based on 1 ton of waste water, the addition of ferrous sulfate is 0.15-
0.2kg, the dosage of milk of lime are defined by controlling the pH of waste water for 7.0, liquid after being neutralized, then will liquid after neutralization, air and
Sodium carbonate supplies carries out mechanical aeration oxidation into once oxidation device at normal temperatures, wherein, the time is 10~15 minutes, and
Liquid after being neutralized based on 1 ton, the dosage of sodium carbonate is 0.5-1.0kg, obtains liquid after once oxidation, the once oxidation that then will be obtained
Liquid, which is supplied into concentrator, afterwards carries out dense processing, obtains supernatant and the first bottom ash, then by obtained supernatant supply to
Electrochemical treatments are carried out in apparatus for electrochemical treatment, the second bottom ash and the rear liquid containing the first flocculation group is obtained, then will obtain
The rear liquid containing the first flocculation group supply into secondary oxidation apparatus and carry out oxidation processes, obtain liquid after secondary oxidation, then
Liquid after obtained secondary oxidation and polyacrylamide are supplied into flocculation plant and carry out flocculation treatment, wherein, it is secondary based on 1 ton
Oxidated solution, the dosage of polyacrylamide are 5-10g, and flocculation treatment 1~1.2 hour at normal temperatures, are obtained containing second
The rear liquid of flocculation group, the rear liquid containing the second flocculation group that then will be obtained, which is supplied into clarifier, carries out clarifying treatment, obtains
To the 3rd bottom ash and clarified wastewater, then obtained clarified wastewater is supplied into filter through middle tank and carried out at filtering
Reason, obtains the 4th bottom ash and filtered fluid, then supplies into filter press the first obtained bottom ash and carries out press filtration processing, is filtered
Liquid and filter residue, supplied after finally mixing the second bottom ash obtained above, the 3rd bottom ash and the 4th bottom ash in slag chute to above-mentioned
Concentrator in carry out dense processing.
Embodiment 2
Smelting wastewater is supplied into regulating reservoir, it is 500m to control its flow3/ day, then by waste water and ferrous sulfate, stone
Grey breast supply carries out neutralisation treatment into neutralization device, wherein, based on 1 ton of waste water, the addition of ferrous sulfate is 0.15-
0.2kg, the dosage of milk of lime are defined by controlling the pH of waste water for 7.0, liquid after being neutralized, then will liquid after neutralization, air and
Sodium carbonate supplies carries out mechanical aeration oxidation processes into once oxidation device at normal temperatures, wherein, the time is 10~15 minutes,
And liquid after being neutralized based on 1 ton, the dosage of sodium carbonate is 0.5-1.0kg, obtains liquid after once oxidation, then will obtain once
Oxidated solution, which is supplied into concentrator, carries out dense processing, obtains supernatant and the first bottom ash, then supplies obtained supernatant
To electrochemical treatments are carried out into apparatus for electrochemical treatment, the second bottom ash and the rear liquid containing the first flocculation group are obtained, then will
The obtained rear liquid containing the first flocculation group, which is supplied into secondary oxidation apparatus, carries out oxidation processes, liquid after secondary oxidation is obtained,
Then liquid after obtained secondary oxidation and polyacrylamide are supplied into flocculation plant and carries out flocculation treatment, wherein, based on 1 ton
Liquid after secondary oxidation, the dosage of polyacrylamide are 5-10g, and flocculation treatment 1~1.2 hour at normal temperatures, are contained
The rear liquid of second flocculation group, then the obtained rear liquid containing the second flocculation group is supplied into clarifier and carried out at clarification
Reason, obtains the 3rd bottom ash and clarified wastewater, then obtained clarified wastewater is supplied into filter through middle tank and is carried out
Filtration treatment, the 4th bottom ash and filtered fluid are obtained, then the first obtained bottom ash are supplied into filter press and carries out press filtration processing,
Filtrate and filter residue are obtained, is supplied after finally mixing the second bottom ash obtained above, the 3rd bottom ash and the 4th bottom ash in slag chute
Dense processing is carried out into above-mentioned concentrator.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines and combination.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (6)
- A kind of 1. system for handling smelting wastewater, it is characterised in that including：Regulating reservoir, the regulating reservoir have smelting wastewater entrance and wastewater outlet；Neutralize device, it is described neutralization device have waterwater entrance, molysite entrance, basic agent entrance and neutralize after liquid export, and In described and rear liquid exit is provided with pH meter automaton, and the waterwater entrance is connected with the wastewater outlet；Once oxidation device, the once oxidation device have liquid entrance, air intake, softening agent entrance and an oxygen after neutralization Liquid exports after change, and liquid entrance is connected with liquid outlet after the neutralization after the neutralization；Concentrator, the concentrator have liquid entrance, supernatant outlet and the outlet of the first bottom ash after once oxidation, an oxygen Liquid entrance is connected with liquid outlet after the once oxidation after change；Apparatus for electrochemical treatment, the apparatus for electrochemical treatment have supernatant entrance, the outlet of the second bottom ash and containing the first waddings The rear liquid outlet of nodule, the supernatant entrance are connected with the supernatant outlet；Secondary oxidation apparatus, the secondary oxidation apparatus have liquid after rear liquid entrance and secondary oxidation containing the first flocculation group Outlet, the rear liquid entrance containing the first flocculation group are connected with the rear liquid outlet containing the first flocculation group；Flocculation plant, the flocculation plant there is liquid entrance after secondary oxidation, flocculant entrance and containing the second flocculation group after Liquid exports, and liquid entrance is connected with liquid outlet after the secondary oxidation after the secondary oxidation；Clarifier, the clarifier have the rear liquid entrance containing the second flocculation group, the outlet of the 3rd bottom ash and clarified wastewater Outlet, the rear liquid entrance containing the second flocculation group are connected with the rear liquid outlet containing the second flocculation group；Middle tank, the middle tank have clarified wastewater entrance and middle tank wastewater outlet, the clarified wastewater entrance It is connected with clarified wastewater outlet；Filter, the filter has middle tank waterwater entrance, the outlet of the 4th bottom ash and filtrate outlet, in described Between tank waste water entrance be connected with the middle tank wastewater outlet.
- 2. system according to claim 1, it is characterised in that the second bottom ash outlet is connected with the concentrator.
- 3. system according to claim 1 or 2, it is characterised in that the 3rd bottom ash outlet is connected with the concentrator.
- 4. system according to claim 3, it is characterised in that the 4th bottom ash outlet is connected with the concentrator.
- 5. the system according to claim 1 or 4, it is characterised in that further comprise：Filter press, the filter press have bottom ash entrance, filtrate (liquid and sludge outlet, the bottom ash entrance and first bottom Slag outlet is connected.
- 6. system according to claim 5, it is characterised in that further comprise：In slag chute, the slag chute and second bottom ash outlet, the 3rd bottom ash outlet and the 4th bottom ash outlet extremely It is one of few to be connected, and the slag chute is connected with the concentrator.
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| CN201720536235.1U CN206940625U (en) | 2017-05-15 | 2017-05-15 | The system for handling smelting wastewater |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862745A (en) * | 2017-05-15 | 2018-11-23 | 江西瑞林稀贵金属科技有限公司 | The system and method for handling smelting wastewater |
| CN111101000A (en) * | 2019-12-27 | 2020-05-05 | 山东中城宏业矿业技术有限公司 | Device and method for removing zinc and iron in gold leaching barren solution of gold ore |
-
2017
- 2017-05-15 CN CN201720536235.1U patent/CN206940625U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862745A (en) * | 2017-05-15 | 2018-11-23 | 江西瑞林稀贵金属科技有限公司 | The system and method for handling smelting wastewater |
| CN111101000A (en) * | 2019-12-27 | 2020-05-05 | 山东中城宏业矿业技术有限公司 | Device and method for removing zinc and iron in gold leaching barren solution of gold ore |
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