Oil-containing acid mist processing system and method in a kind of hydrometallurgyTechnical field
The present invention relates to oil-containing acid mist processing system and methods in exhaust-gas treatment field more particularly to a kind of hydrometallurgy.
Background technology
At present, the particle that meeting generating unit gradation degree is small after outsourcing cobalt raw material leaches, viscosity is big, the filtering technique in workshop are realizedIn the filter process of such particle, after liquid returns extraction system after iron, substantial amounts of oil-containing acid mist is generated.Outsourcing cobalt raw material is to removingAfter iron problems with is primarily present in liquid production：The exhaust gas containing oil-containing acid mist is generated in extraction process, uses shape after alkali neutralizationInto waste water, cobalt resource waste and the waste of water resource are caused, and the larger cost of wastewater treatment difficulty is higher.
The content of the invention
The technical problems to be solved by the invention are in view of the deficiencies of the prior art, to provide and contain oleic acid in a kind of hydrometallurgyMist processing system and method, to solve at least one of above-mentioned technical problem.
The technical solution that the present invention solves above-mentioned technical problem is as follows, oil-containing acid mist processing system in a kind of hydrometallurgy,Including water scrubber, gun barrel, the first pump, first switch valve, salt and sour separation membrane device, the second pump, second switch valve, filmEnrichment facility and product storage tank, the water lotion outlet of water scrubber are connected by pipeline with the oil-water mixture entrance of gun barrelLogical, the aqueous phase liquid outlet of gun barrel is connected by pipeline and the first pump intake, and the first pump discharge passes through pipeline and saltBe connected with the salt of sour separation membrane device with sour entry to mixed solution, the salting liquid outlet of salt and sour separation membrane device by pipeline andSecond pump intake is connected, and the second pump discharge is connected by pipeline with the weak solution entrance of film condensing device, film condensing deviceConcentrated solution outlet be connected by pipeline with product storage tank, the salt and sour entry to mixed solution and first of salt and sour separation membrane deviceFirst switch valve, the pipe between the weak solution entrance and the second pump intake of film condensing device are provided on pipeline between pump intakeSecond switch valve is provided on road.
The beneficial effects of the invention are as follows：Oil-containing acid mist is carried out by liquefaction by water scrubber and forms oil mixing with water liquid, is passed throughWater scrubber is connected with gun barrel, and oil water mixture is delivered to the aqueous phase liquid that oil water mixture is completed in gun barrelWith the separation of oil phase liquid, effectively realize the recycling of the extractant in oil phase liquid, by by gun barrel andFirst pump is connected, and provides flowing in the connected salt of the first pump and sour separation membrane device for the aqueous phase liquid in gun barrel and carriesFor power and for the mixed solution of salt and acid in salt and sour separation membrane device, the separation of salt and acid provides required pressure, carriesThe separative efficiency of high salt and acid and higher separation degree is obtained, pumped and be connected by salt and sour separation membrane device and secondIt connects, provides power needed for flowing to the film condensing device with the second pump connection for the salting liquid of precipitation, while provide pointSalting liquid from after concentrates required necessary pressure in film condensing device, improves thickening efficiency, helps to obtain higherConcentrating degree, by setting product storage tank, for preferably storing the salting liquid after concentration, first switch valve and second switch valveSetting be effectively controlled the circulation of pipeline, realize and be segmented controllable liquid communication, it is effective right by the technical programThe oil-containing acid mist that hydrometallurgy generates has carried out liquefaction and separating treatment, reduces environmental pollution, realizes hydrometallurgy generationOil-containing acid mist recycling.
Based on the above technical solutions, the present invention can also be improved as follows.
Further, the first recycling bin and the 3rd switch valve are further included, the first recycling bin passes through pipeline and gun barrelOil phase liquid outlet is connected, and is provided between the pipeline between the oil phase liquid outlet of the first recycling bin and gun barrelThree switch valves.
Using the advantageous effect of above-mentioned further scheme：By setting the first recycling bin, effectively to containing in hydrometallurgyThe extractant of oil-containing is recycled in oleic acid mist, while the 3rd switch is provided on the first recycling bin and oily-water seperating equipmentValve is effectively controlled the separation of oil phase liquid and aqueous phase liquid after the separation of oil mixing with water solution, effectively prevents oil phase liquidThe doping phenomenon of aqueous phase liquid and oil phase liquid that body output generates in the process.
Further, oil-water mixture entrance and aqueous phase liquid outlet are arranged on the bottom of gun barrel, oil phase liquid dischargeMouth is arranged on the upper end of oil-water mixture entrance and aqueous phase liquid outlet.
Using the advantageous effect of above-mentioned further scheme：By the way that the outlet of the entrance of oil-water mixture and water phase liquid is setIn the bottom of gun barrel, aqueous phase liquid is improved from the clarity in gun barrel, oil phase liquid outlet is arranged onOil-water mixture entrance and the upper end of aqueous phase liquid outlet effectively make use of the low principle of density ratio water of oil by oil phase liquidSeparation discharge is carried out, avoids the doping of oil phase liquid and aqueous phase liquid.
Further, the second recycling bin and the 4th switch valve are further included, the second recycling bin passes through pipeline and salt and sour seperation filmThe acid solution outlet of device is connected, between the pipeline between the second recycling bin and salt and the acid solution outlet of sour separation membrane deviceIt is provided with the 4th switch valve.
Using the advantageous effect of above-mentioned further scheme：By setting the second recycling bin, effectively to containing in hydrometallurgyAcid solution in salt and acid separation solution that oleic acid mist separating treatment generates is recycled, and improves acid solution in hydrometallurgyRecycling number, reduce the waste of acid solution resource, by between the second recycling bin and salt and sour separation membrane device4th switch valve is set, the control for carrying out acid solution discharge after the salting liquid in salt and acid solution is precipitated completely again is improved, keeps awayThe occurrence of exempting to discharge salt and acid solution after salt does not separate completely with acid.
Further, the 3rd recycling bin and the 5th switch valve are further included, the 3rd recycling bin passes through pipeline and film condensing deviceProduction water out is connected, and the 5th switch valve is provided on the pipeline between the production water out of the 3rd recycling bin and film condensing device.
Using the advantageous effect of above-mentioned further scheme：By setting the 3rd recycling bin, effectively to containing in hydrometallurgyThe production water generated in oleic acid mist processing procedure carries out recycling, improves recycling time of the production water in hydrometallurgyNumber, reduces the waste of the water resource in hydrometallurgy, is opened by setting the 5th between the 3rd recycling bin and film condensing deviceValve is closed, realizes the control of the production water discharge after the completion of salting liquid concentration.
Further, concentration sensor and the 6th switch valve are further included, concentration sensor and the 6th switch valve are successively set onOn pipeline between the concentrated solution outlet and product storage tank of film condensing device.
Using the advantageous effect of above-mentioned further scheme：By between film condensing device and production water storage tank concentration being set to passSensor can realize the detection of the concentration of the concentrate handled film condensing device, improve to concentrate solution concentrationControl, by setting the 6th switch valve between concentration sensor and production water storage tank, the concentration that can discharge concentration according to demand is moltenLiquid.
Further, salt and sour separation membrane device include tank body and are arranged on the in vivo NF membrane of tank, and NF membrane will be in tank bodyThe cavity in portion is divided into mixing sap cavity and acid solution chamber, salt and sour entry to mixed solution and salting liquid outlet is arranged on tank body and andSap cavity connection is mixed, acid solution outlet is arranged on tank body and is connected with acid solution chamber.
Using the advantageous effect of above-mentioned further scheme：By setting NF membrane, nanofiltration in salt and sour separation membrane deviceFilm realizes effectively shutting off to salt, realize acid solution in salt and sour mixed solution by by the way that salt and acid mixing is moltenEntrance and the salting liquid outlet of liquid are arranged on tank body, are realized salt and are not through NF membrane and are deposited in mixed solution chamber and carry outDischarge.
Further, film condensing device includes the concentration film of shell and setting inside the housing, and concentration film is empty by enclosureChamber is divided into concentration chamber and filtrate chamber, and weak solution entrance is respectively provided on the shell with concentrated solution outlet and is connected with chamber is concentrated, and produces waterOutlet sets on the shell and is connected with filtrate chamber.
Using the advantageous effect of above-mentioned further scheme：By setting concentration film in film condensing device, it can be achieved that warpBy the concentration of salt and the salting liquid of sour separation membrane device discharge, the salting liquid after salting liquid and concentration before concentration is respectively positioned on concentrationIn chamber, production water level is in filtrate chamber.
Further, the 7th switch valve is further included, the 7th switch valve is arranged on the water lotion outlet and water-oil separating of water scrubberOn pipeline between the oil-water mixture entrance of tank.
Using the advantageous effect of above-mentioned further scheme：By setting the 7th switch between water scrubber and gun barrelValve realizes the control discharged after the complete aquation of oil-containing acid mist, avoids the incomplete liquefaction of oil-containing acid mist.
The present invention provides oil-containing Acid mist treatment method in a kind of hydrometallurgy, and this method uses oil-containing in a kind of hydrometallurgyAcid mist processing system, specifically includes following steps：
1) aquation oil-containing acid mist：First switch valve is closed, the oil-containing acid mist that hydrometallurgy is produced to cobalt-carrying solution generation is defeatedIt send to the smoke inlet of water scrubber, the mixed liquor containing extractant, cobalt salt solution and acid is obtained through water scrubber processing oil-containing acid mistBody；
2) mixed solution is separated：The mixing liquid that step 1) is obtained, into gun barrel, will be mixed by pipelineIt closes liquid to stand to extractant and show the state being layered completely containing cobalt salt and sour mixed solution, by the extraction in upper strataIt is the aqueous solution containing cobalt salt and acid to take the solution that agent is remained in after suctioning out in gun barrel；
3) salting liquid and acid solution are separated：First switch valve is opened, closes second switch valve, starts the first pump by salt and acidPressure in separation membrane device is controlled in the range of 2-5MPa, and the aqueous solution containing cobalt salt and acid that step 2) is obtained passes throughPipeline is into salt and sour separation membrane device, after the acid solution after separation is completely exhausted out, is deposited in salt and sour seperation film fillsSolution in putting is cobalt salt solution；
4) salting liquid concentrates：First switch valve is closed, opens second switch valve, starting the second pump will be in film condensing devicePressure is adjusted to 15Mpa, and the cobalt salt solution that step 3) is obtained concentrates in film condensing device, the production that will be obtained after filtrationWater is discharged, and the cobalt salt solution after concentration is delivered in product storage tank.
Advantageous effect using the above program：Oil-containing acid mist is liquefied to obtain containing extractant, cobalt by water scrubberSalting liquid and acid mixing liquid, effectively reduce oil-containing acid mist and be directly discharged into the environmental pollution generated in air, pass through byMixed solution is delivered in gun barrel, is effectively realized the recycling of the extractant in oil phase liquid, is separated simultaneouslyGo out the mixed aqueous solution containing cobalt salt and acid, realized by opening first switch valve, closing second switch valve, starting the first pumpThe mixed solution of salt and acid is delivered in salt and sour separation membrane device, while ensure that salt and sour separation membrane device requiredThe separation of salt and acid is carried out under operating pressure, improves salt and the separated efficiency of acid, by closing first switch valve, opening secondSwitch valve, the second pump of startup, which realize, is delivered to the salting liquid that salt and sour separation membrane device obtain in film condensing device, simultaneouslyIt ensure that the operating pressure needed for film condensing device carries out the concentration of salting liquid, improve thickening efficiency, help to obtain higherConcentrating degree, by by concentrate after cobalt salt solution be delivered in product storage tank, for preferably store concentration after salt it is moltenLiquid.
Description of the drawings
Fig. 1 is oil-containing acid mist processing system structure diagram in a kind of hydrometallurgy of the present invention.
In attached drawing, parts list represented by the reference numerals is as follows：
1st, water scrubber, 2, gun barrel, 3, salt and sour separation membrane device, 4, film condensing device, 5, product storage tank, 6, theOne recycling bin, the 7, second recycling bin, the 8, the 3rd recycling bin, the 9, first pump, the 10, second pump, the 11, the 3rd switch valve, the 12, the 4th opensClose valve, the 13, the 5th switch valve, 14, concentration sensor, 15, mixing sap cavity, 16, acid solution chamber, 17, NF membrane, 18, concentration chamber,19th, filtrate chamber, 20, concentration film, the 21, the 7th switch valve, 22, first switch valve, 23, second switch valve, the 24, the 6th switch valve,25th, oil-containing acid mist input unit.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, andIt is non-to be used to limit the scope of the present invention.
Embodiment 1：
As shown in Figure 1, oil-containing acid mist processing system in a kind of hydrometallurgy in the present embodiment, including water scrubber 1, greaseThe pump of knockout drum 2, first 9, first switch valve 22, salt and the sour pump of separation membrane device 3, second 10, second switch valve 23, film concentration dress4 and product storage tank 5 are put, the water lotion outlet of water scrubber 1 is connected by pipeline with the oil-water mixture entrance of gun barrel 2Logical, the aqueous phase liquid outlet of gun barrel 2 is connected by pipeline and the first 9 entrances of pump, 9 outlet of the first pump by pipeline withSalt is connected with the salt of sour separation membrane device 3 with sour entry to mixed solution, and the salting liquid outlet of salt and sour separation membrane device 3 passes through pipeRoad and the second 10 entrances of pump are connected, and 10 outlet of the second pump is connected by pipeline with the weak solution entrance of film condensing device 4, filmThe concentrated solution outlet of enrichment facility 4 is connected by pipeline with product storage tank 5, and the salt and acid of salt and sour separation membrane device 3 mixFirst switch valve 22 is provided on pipeline between liquid entrance and the first 9 entrances of pump, the weak solution entrance of film condensing device 4 and theSecond switch valve 23 is provided on pipeline between two 10 entrances of pump；Specifically, oil-containing acid mist input unit 25 by pipeline andWater scrubber 1 is connected, and the oil-containing acid mist for wet method smelting cobalt to be generated is delivered in water scrubber 1.
The advantageous effect of the present embodiment is：Oil-containing acid mist is carried out by liquefaction by water scrubber 1 and forms oil mixing with water liquid, is led toIt crosses water scrubber 1 with gun barrel 2 to be connected, oil water mixture is delivered to the water that oil water mixture is completed in gun barrel 2The separation of phase liquid and oil phase liquid effectively realizes the recycling of the extractant in oil phase liquid, by the way that grease is dividedIt is connected from tank 2 with the first pump 9, is that the aqueous phase liquid in gun barrel 2 pumps 9 connected salt and sour separation membrane device in first3 offer flowings provide power and are provided for separation of the mixed solution of salt and acid in salt and salt and acid in sour separation membrane device 3Required pressure improves the separative efficiency of salt and acid and obtains higher separation degree, passes through salt and sour separation membrane device 3It is connected with the second pump 10, is provided for the salting liquid of precipitation to the film condensing device 4 being connected with the second pump 10 needed for flowingPower, while the salting liquid provided after separation concentrates required necessary pressure in film condensing device 4, improves concentration effectRate helps to obtain higher concentrating degree, by setting product storage tank 5, for preferably storing the salting liquid after concentration, theThe setting of one switch valve 22 and second switch valve 23 is effectively controlled the circulation of pipeline, realizes and is segmented controllable liquid flowLogical, by the technical program, the oil-containing acid mist effectively generated to hydrometallurgy has carried out liquefaction and separating treatment, has reduced ringBorder is polluted, and realizes the recycling of the oil-containing acid mist of hydrometallurgy generation.
Embodiment 2：
As shown in Figure 1, oil-containing acid mist processing system in a kind of hydrometallurgy in the present embodiment, including water scrubber 1, greaseThe pump of knockout drum 2, first 9, first switch valve 22, salt and the sour pump of separation membrane device 3, second 10, second switch valve 23, film concentration dress4 and product storage tank 5 are put, the water lotion outlet of water scrubber 1 is connected by pipeline with the oil-water mixture entrance of gun barrel 2Logical, the aqueous phase liquid outlet of gun barrel 2 is connected by pipeline and the first 9 entrances of pump, 9 outlet of the first pump by pipeline withSalt is connected with the salt of sour separation membrane device 3 with sour entry to mixed solution, and the salting liquid outlet of salt and sour separation membrane device 3 passes through pipeRoad and the second 10 entrances of pump are connected, and 10 outlet of the second pump is connected by pipeline with the weak solution entrance of film condensing device 4, filmThe concentrated solution outlet of enrichment facility 4 is connected by pipeline with product storage tank 5, and the salt and acid of salt and sour separation membrane device 3 mixFirst switch valve 22 is provided on pipeline between liquid entrance and the first 9 entrances of pump, the weak solution entrance of film condensing device 4 and theSecond switch valve 23 is provided on pipeline between two 10 entrances of pump；Specifically, oil-containing acid mist input unit 25 by pipeline andWater scrubber 1 is connected, and the oil-containing acid mist for wet method smelting cobalt to be generated is delivered in water scrubber 1；Oleic acid will be contained by water scrubber 1Mist carries out liquefaction and forms oil mixing with water liquid, adjacent by water scrubber 1 and gun barrel 2, and oil water mixture is delivered to oilThe separation of the aqueous phase liquid and oil phase liquid of oil water mixture is completed in water separation tank 2, is effectively realized in oil phase liquidThe recycling of extractant, by the way that gun barrel 29 is connected with the first pump, be aqueous phase liquid in gun barrel 2 inThe connected salt of first pump 9 and sour separation membrane device 3 provide flowing and provide power and be the mixed solution of salt and acid in salt and acidThe separation of salt and acid provides required pressure in separation membrane device 3, improves the separative efficiency of salt and acid and obtains higherSeparation degree is connected with sour separation membrane device 3 with the second pump 10 by salt, is connected for the salting liquid of precipitation to the second pump 10Film condensing device 4 provide flowing needed for power, while provide separation after salting liquid concentrated in film condensing device 4Required necessary pressure, improves thickening efficiency, helps to obtain higher concentrating degree, by setting product storage tank 5, be used forPreferably the salting liquid after storage concentration, the setting of first switch valve 22 and second switch valve 23 are effectively controlled the stream of pipelineIt is logical, it realizes and is segmented controllable liquid communication, by the technical program, effectively the oil-containing acid mist that hydrometallurgy generates is carried outLiquefaction and separating treatment, reduce environmental pollution, realize the recycling of the oil-containing acid mist of hydrometallurgy generation.
As shown in Figure 1, oil-containing acid mist processing system in a kind of hydrometallurgy in the present embodiment, further includes the first recycling bin6 and the 3rd switch valve 11, the first recycling bin 6 be connected by pipeline with the oil phase liquid outlet of gun barrel 2, the first recyclingThe 3rd switch valve 11 is provided between pipeline between bucket 6 and the oil phase liquid outlet of gun barrel 2；By setting first timeBucket 6 is received, effectively the extractant of oil-containing in oil-containing acid mist in hydrometallurgy is recycled, while in the first recycling bin 6 and oilThe 3rd switch valve 11 is provided on water separation device, is effectively controlled oil phase liquid and water phase liquid after the separation of oil mixing with water solutionThe separation of body effectively prevents the doping phenomenon of the aqueous phase liquid and oil phase liquid that generate the output of oil phase liquid in the process.
As shown in Figure 1, oil-containing acid mist processing system in a kind of hydrometallurgy in the present embodiment, oil-water mixture entrance andAqueous phase liquid exports the bottom for being arranged on gun barrel 2, and oil phase liquid outlet is arranged on oil-water mixture entrance and water phase liquidThe upper end of body outlet；By the way that the outlet of the entrance of oil-water mixture and water phase liquid to be arranged on to the bottom of gun barrel 2, improveOil phase liquid outlet is arranged on oil-water mixture entrance and water phase liquid from the clarity in gun barrel 2 by aqueous phase liquidOil phase liquid is carried out separation discharge, avoids oil phase by the upper end of body outlet, the principle that effectively make use of the density ratio water of oil lowThe doping of liquid and aqueous phase liquid.
As shown in Figure 1, oil-containing acid mist processing system in a kind of hydrometallurgy in the present embodiment, further includes the second recycling bin7 and the 4th switch valve 12, the second recycling bin 7 is connected by pipeline with salt with the acid solution outlet of sour separation membrane device 3, secondThe 4th switch valve 12 is provided between pipeline between recycling bin 7 and salt and the acid solution outlet of sour separation membrane device 3；By settingThe second recycling bin 7 is put, the acid in the salt and acid separation solution that are effectively generated to oil-containing acid mist separating treatment in hydrometallurgy is moltenLiquid is recycled, and is improved recycling number of the acid solution in hydrometallurgy, is reduced the waste of acid solution resource, pass throughThe 4th switch valve 12 is set between the second recycling bin 7 and salt and sour separation membrane device 3, the salt improved in salt and acid solution is moltenLiquid carries out the control of acid solution discharge again after being precipitated completely, avoid salt that salt and acid solution are discharged situation with after sour do not separate completelyGeneration.
As shown in Figure 1, oil-containing acid mist processing system in a kind of hydrometallurgy in the present embodiment, further includes the 3rd recycling bin8 and the 5th switch valve 13, the 3rd recycling bin 8 be connected by pipeline with the production water out of film condensing device 4, the 3rd recycling bin 8The 5th switch valve 13 is provided on pipeline between the production water out of film condensing device 4；By setting the 3rd recycling bin 8, haveThe production water progress recycling to being generated in oil-containing acid mist processing procedure in hydrometallurgy of effect, improves production water in wet method smeltingRecycling number in gold, reduces the waste of the water resource in hydrometallurgy, by the 3rd recycling bin 8 and film concentration dress5th switch valve 13 between putting 4 is set, realizes the control of the production water discharge after the completion of salting liquid concentration.
As shown in Figure 1, oil-containing acid mist processing system in a kind of hydrometallurgy in the present embodiment, further includes concentration sensor14 and the 6th switch valve 24,14 and the 6th switch valve 24 of concentration sensor be successively set on the concentrated solution outlet of film condensing device 4On pipeline between product storage tank 5；It, can be with by setting concentration sensor 14 between film condensing device 4 and production water storage tankIt realizes the detection of the concentration of the concentrate obtained to the processing of film condensing device 4, improves the control to concentrate solution concentration, pass throughThe 6th switch valve 24 is set between concentration sensor 14 and production water storage tank, the concentrate solution of concentration can be discharged according to demand.
As shown in Figure 1, oil-containing acid mist processing system in a kind of hydrometallurgy in the present embodiment, salt and sour separation membrane device3 include tank body and are arranged on the in vivo NF membrane 17 of tank, and the cavity of tank interior is divided into mixing sap cavity 15 and acid by NF membrane 17Solution cavity 16, salt are arranged on tank body with salting liquid outlet with sour entry to mixed solution and are connected with mixing sap cavity 15, acid solutionOutlet is arranged on tank body and is connected with acid solution chamber 16；By setting NF membrane 17, nanofiltration in salt and sour separation membrane device 3Film 17 realizes effectively shutting off to salt, realize acid solution in salt and sour mixed solution by by the way that salt and acid are mixedEntrance and the salting liquid outlet of solution are arranged on tank body, are realized salt and are not through NF membrane 17 and are deposited in mixed solution chamberIt is discharged.
As shown in Figure 1, oil-containing acid mist processing system in a kind of hydrometallurgy in the present embodiment, film condensing device 4 includeEnclosure cavity is divided into concentration chamber 18 and filtrate chamber 19 by the concentration film 20 of shell and setting inside the housing, concentration film 20,Weak solution entrance and concentrated solution outlet are respectively provided on the shell and are connected with concentration chamber 18, production water out set on the shell and andFiltrate chamber 19 connects；By setting concentration film 20 in film condensing device 4, it can be achieved that via 3 row of salt and sour separation membrane deviceThe concentration of the salting liquid gone out, the salting liquid after salting liquid and concentration before concentration are respectively positioned in concentration chamber 18, and production water level is in filtrateIn chamber 19.
As shown in Figure 1, oil-containing acid mist processing system in a kind of hydrometallurgy in the present embodiment, further includes the 7th switch valve21, the 7th switch valve 21 is arranged on the pipe between the water lotion outlet of water scrubber 1 and the oil-water mixture entrance of gun barrel 2On road；By setting the 7th switch valve 21 between water scrubber 1 and gun barrel 2, after realizing the complete aquation of oil-containing acid mistThe control of discharge avoids the incomplete liquefaction of oil-containing acid mist.
The course of work of the present embodiment is：The switch in 25 exit of oil-containing acid mist input unit is opened, is closed the 7th switchThe oil-containing acid mist that hydrometallurgy generates is carried out water spray liquefaction, when oil-containing acid mist is generated as oil-water mixture completely, beaten by valve 21The 7th switch valve 21 is opened, simultaneously closes off 22 and the 3rd switch valve 11 of first switch valve, oil-water mixture flows into oil via pipelineIn water separation tank 2, stood the oil phase liquid into oil-water mixture and when aqueous phase liquid is kept completely separate, open the 3rd switchThe oil phase liquid on upper strata is discharged into the first recycling bin 6 by valve 11, opens first switch valve 22 and the 4th switch valve 12, closes theTwo switch valves 23 open the mixing that the aqueous phase liquid in oily-water seperating equipment is delivered to salt and sour separation membrane device 3 by the first pump 9In sap cavity 15, the operating pressure of salt and sour separation membrane device 3 is forced by the first pump 9, the salt in sap cavity 15 is mixed and acid mixesThe acid in solution is closed completely into acid solution chamber 16, and after being discharged into the second recycling bin 7, open second switch valve 23 and theFive switch valves 13 simultaneously close off the 6th switch valve 24, and starting the second pump 10 will mix in salt and sour separation membrane device 3 in sap cavity 15Salting liquid be delivered in the concentration chamber 18 of film condensing device 4, by second pump 10 pressurization film condensing devices 4 operating pressure intoThe concentration of row salting liquid measures the concentration of the salting liquid in concentration chamber 18 by concentration sensor 14, when reaching required concentration,The 6th switch valve 24 is opened, liquid after concentration is drained into product storage tank 5.
Embodiment 3：
Oil-containing Acid mist treatment method in a kind of hydrometallurgy in the present embodiment, this method use one kind such as embodiment 1Oil-containing acid mist processing system, specifically includes following steps in hydrometallurgy：
1) aquation oil-containing acid mist：First switch valve 22 is closed, hydrometallurgy is produced to the oil-containing acid mist of cobalt-carrying solution generationThe smoke inlet of water scrubber 1 is delivered to, handling oil-containing acid mist through water scrubber 1 obtains mixing containing extractant, cobalt salt solution and acidClose liquid；
2) mixed solution is separated：It, will be mixed by the mixing liquid that step 1) obtains by pipeline into gun barrel 2It closes liquid to stand to extractant and show the state being layered completely containing cobalt salt and sour mixed solution, by the extraction in upper strataIt is the aqueous solution containing cobalt salt and acid to take the solution that agent is remained in after suctioning out in gun barrel 2；
3) salting liquid and acid solution are separated：First switch valve 22 is opened, closes second switch valve 23, starting the first pump 9 willPressure in salt and sour separation membrane device 3 is controlled in the range of 2-5MPa, the water containing cobalt salt and acid that step 2) is obtainedSolution is by pipeline to salt and sour separation membrane device 3, after the acid solution after separation is completely exhausted out, being deposited in salt and acidSolution in separation membrane device 3 is cobalt salt solution；
4) salting liquid concentrates：First switch valve 22 is closed, opens second switch valve 23, starts the second pump 10 and fills film concentrationIt puts the pressure in 4 to adjust to 15Mpa, the cobalt salt solution that step 3) obtains in the film condensing device 4 is concentrated, will be filteredLater the production water discharge obtained, the cobalt salt solution after concentration is delivered in product storage tank 5.
The advantageous effect of the present embodiment：Oil-containing acid mist liquefied to obtain by water scrubber 1 molten containing extractant, cobalt saltThe mixing liquid of liquid and acid, effectively reduces oil-containing acid mist and is directly discharged into the environmental pollution generated in air, by that will mixSolution is delivered in gun barrel 2, effectively realizes the recycling of the extractant in oil phase liquid, while is isolated and containedThere is the mixed aqueous solution of cobalt salt and acid, realized by opening first switch valve 22, closing second switch valve 23, starting the first pump 9The mixed solution of salt and acid is delivered in salt and sour separation membrane device 3, while ensure that salt and sour separation membrane device 3 in instituteThe separation of salt and acid is carried out under the operating pressure needed, salt and the separated efficiency of acid are improved, by closing first switch valve 22, beatingOpen second switch valve 23, the second pump 10 of startup realizes the salting liquid that salt and sour separation membrane device 3 obtain being delivered to film concentrationIt in device 4, while ensure that the operating pressure needed for film condensing device 4 carries out the concentration of salting liquid, improve thickening efficiency, haveHelp obtain higher concentrating degree, by the way that the cobalt salt solution after concentrating is delivered in product storage tank 5, for preferably storingSalting liquid after concentration.
In the description of this specification, reference term " embodiment one ", " embodiment two ", " example ", " specific example " orThe description of " some examples " etc. means that combining specific method, device or feature that the embodiment or example describe is contained in this hairIn bright at least one embodiment or example.In the present specification, schematic expression of the above terms is necessarily directed toIdentical embodiment or example.Moreover, specific features, method, apparatus or the feature of description can be in any one or more realitiesIt applies and is combined in an appropriate manner in example or example.In addition, without conflicting with each other, those skilled in the art can incite somebody to actionDifferent embodiments or example and different embodiments or exemplary feature described in this specification are combined and combine.
The foregoing is merely a prefered embodiment of the invention, is not intended to limit the invention, all in the spirit and principles in the present inventionWithin, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention.