CN207933537U - A kind of device of eddy flow in-pulp electrolysis removing heavy metal - Google Patents

A kind of device of eddy flow in-pulp electrolysis removing heavy metal Download PDF

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Publication number
CN207933537U
CN207933537U CN201721789816.2U CN201721789816U CN207933537U CN 207933537 U CN207933537 U CN 207933537U CN 201721789816 U CN201721789816 U CN 201721789816U CN 207933537 U CN207933537 U CN 207933537U
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tank
electrolytic cell
heavy metal
eddy flow
cyclone electrolytic
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CN201721789816.2U
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佟永顺
张正洁
陈扬
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Zhongke Jingtou Environment Technology Jiangsu Co Ltd
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Zhongke Jingtou Environment Technology Jiangsu Co Ltd
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Abstract

A kind of device of eddy flow in-pulp electrolysis removing heavy metal, including cyclone electrolytic cell tank, subsider and the slurrying tank being connected with cyclone electrolytic cell tank lower end, in cyclone electrolytic cell tank tank skin upper end, tangential direction is equipped with stock inlet, and exhaust outlet is equipped with above cyclone electrolytic cell tank;It is internally provided with cathode tube in cyclone electrolytic cell tank, equipped with insulation spoiler, lower section is connected by insulated conduit with subsider for welding on the outside of cathode tube;Subsider is connected to by the overflow pipe of top with slurrying tank;It is equipped with blender on slurrying tank, is connected with stock inlet by mortar pump and pipeline below slurrying tank;The cyclone electrolytic cell tank and cathode tube are connected by conducting wire with the positive and negative electrode of DC power supply respectively.The utility model structure is simple in structure, and energy consumption is low, and heavy metal separative efficiency is high, and removal effect is good.

Description

A kind of device of eddy flow in-pulp electrolysis removing heavy metal
Technical field
The utility model is related to a kind of methods that eddy flow in-pulp electrolysis removes heavy metal, can be applied to metallurgical and environmental protection neck Domain carries out the removing of heavy metal and the recycling of Heavy Metals in Waters in powder.
Background technology
In-pulp electrolysis technology has commercial Application in hydrometallurgy and is made full use of according to the oxidation-reduction potential of metal The anodic oxidation and cathodic reduction of electrolysis system by the dissolving of metal in miberal powder, are deposited in electrolytic cell and synchronously complete and purify, Equipment and efficiency of energy utilization are improved, miberal powder suspends in ore pulp generally uses mechanical agitation mode, will be electrolysed using diaphragm Slot is divided into yin, yang polar region, because of the presence of diaphragm, causes mixing effect poor, and yin, yang polar region cation concn differs greatly, no Conducive to the progress of reaction.
Notification number CN203683697U and publication No. CN104313650A describes different electrolysis slot forms respectively, mainly It is to stir the design with anode and cathode.
Eddy flow electrodeposition technology also has application in metallurgical, field of environment protection, mainly solves the problems, such as concentration polarization, for low concentration sun Deposition of the ion on cathode, publication No. CN105696019A propose a kind of device and its electrodeposition of eddy flow electrodeposition production nickel button Method, this is applied for a kind of routine of eddy flow electrodeposition technology.
Above two technology has their own advantages, and application also has limitation, contains for tailing or heavy-metal contaminated soil etc. are low Measure heavy metal material, heavy metal can be dissolved out using in-pulp electrolysis technology, because stirring intensity is inadequate, and heavy metal ion cannot and When removed from electrolyte, cause effect poor, the method that there is no preferable such material of electrochemical treatments at present.
Utility model content
When the low contents heavy metal material in-pulp electrolysis such as tailing or heavy-metal contaminated soil, content of beary metal in electrolyte It is low, it is precipitated in powdery in cathode, metal powder is mixed into ore pulp when stirring, causes heavy metal that cannot effectively remove, cathode adds isolation pocket When the big high energy consumption of resistance, concentration polarization is serious, be unfavorable for dissolution heavy metal removing, for solve problems, the utility model In-pulp electrolysis technology and eddy flow electrodeposition technology are coupled, eddy flow in-pulp electrolysis technology is formed.
The utility model is realized by the following method:A kind of device of eddy flow in-pulp electrolysis removing heavy metal, feature exist In:Including cyclone electrolytic cell tank, subsider and the slurrying tank being connected with cyclone electrolytic cell tank lower end, cut in cyclone electrolytic cell tank tank skin upper end Line direction is equipped with stock inlet, and exhaust outlet is equipped with above cyclone electrolytic cell tank;It is internally provided with cathode tube in cyclone electrolytic cell tank, outside cathode tube Side welding is equipped with insulation spoiler, and lower section is connected by insulated conduit with subsider;The overflow pipe and slurry that subsider passes through top Change slot connection;It is equipped with blender on slurrying tank, is connected with stock inlet by mortar pump and pipeline below slurrying tank;The rotation Stream electrolytic cell and cathode tube are connected by conducting wire with the positive and negative electrode of DC power supply respectively.
Further:It is equipped with gas-liquid separating valve on exhaust outlet, regulating valve is equipped on insulated conduit, in cyclone electrolytic cell tank Lower section is equipped with ore pulp regulating valve, and shut-off valve is equipped between mortar pump and slurrying tank.
Further:The eddy flow in-pulp electrolysis tank is made of conductive inert material or liner conductive inert material;It is cloudy Pole cylinder is made of conductive inert web material or perforated plate.
Further:The material of the eddy flow in-pulp electrolysis tank can be titanium or graphite;The cathode cylinder material can be with It is stainless steel or titanium or graphite.
The utility model has the beneficial effects that:Low content heavy metal in powder is constantly molten in the tank skin region as anode Solution enters solution, and the heavy metal ion in solution is constantly precipitated on the cathode at tank center, to make the heavy metal in solution from Son keeps low content, and the heavy metal powder that cathode is precipitated is detached with water inflow subsider with powder, is reached and is removed a huge sum of money in powder Belong to purpose.
Description of the drawings
Fig. 1 eddy flow ore slurry electrolyzing devices;
Fig. 2 cyclone electrolytic cell tank A direction views.
Number explanation in figure:1 it is DC power supply, 2 be conducting wire, 3 be cyclone electrolytic cell tank, 4 be gas-liquid separating valve, 5 is exhaust Mouthful, 6 be cathode tube, 7 be insulate spoiler, 8 be stock inlet, 9 be pipeline, 10 be insulated conduit, 11 be regulating valve, 12 be ore pulp Regulating valve, 13 be subsider, 14 be overflow pipe, 15 be slurrying tank, 16 be blender, 17 be shut-off valve, 18 be mortar pump.
Specific implementation mode
The device of heavy metal, including cyclone electrolytic cell are removed for a kind of eddy flow in-pulp electrolysis of the utility model as shown in Figs. 1-2 Tank 3, subsider 13 and the slurrying tank 15 being connected with cyclone electrolytic cell tank lower end, in cyclone electrolytic cell tank tank skin upper end, tangential direction is equipped with Stock inlet 8, cyclone electrolytic cell tank top are equipped with exhaust outlet 5;It is internally provided with cathode tube 6 in cyclone electrolytic cell tank, is equipped on the outside of cathode tube Insulate spoiler 7, and lower section is connected by insulated conduit 10 with subsider 13;The overflow pipe 14 and slurrying tank that subsider passes through top Connection;It is equipped with blender 16 on slurrying tank, is connected with stock inlet by mortar pump 18 and pipeline 9 below slurrying tank;It is described Cyclone electrolytic cell tank and cathode tube are connected by conducting wire 2 with the positive and negative electrode of DC power supply 1 respectively.
Preferably:It is equipped with gas-liquid separating valve on exhaust outlet, regulating valve is equipped on insulated conduit, under cyclone electrolytic cell tank Side is equipped with ore pulp regulating valve, and shut-off valve is equipped between mortar pump and slurrying tank.
Preferably:The eddy flow in-pulp electrolysis tank is made of conductive inert material or liner conductive inert material;Cathode Cylinder is made of conductive inert web material or perforated plate.
Preferably:The material of the eddy flow in-pulp electrolysis tank can be titanium or graphite;The cathode cylinder material can be Stainless steel or titanium or graphite.
The course of work of the utility model structure is as follows:Heavy metal is removed using eddy flow in-pulp electrolysis, heavy metal will be contained Powder pulp in the salts solution of certain pH value, by eddy flow in-pulp electrolysis tank top along the stock inlet of tank body tangential direction Be pumped into, by tank base thick liquid discharge mouth discharge return slurrying tank, fraction slurries carry cathode be precipitated heavy metal powder by with tank body The discharge gate of the cathode tube connection at center is discharged into subsider, and supernatant liquor returns to slurrying tank after settlement, forms pulp powder Cycle, using tank body as anode, cathode tube is cathode, passes to direct current, after a certain period of time, pulp liquid filtering, filtrate returns for electrolysis It uses, powder is purified after washing, and heavy metal powder accumulates periodic cleaning in subsider, is electrolysed the gas of precipitation by being electrolysed Tank top exhaust outlet discharge.
Further explanation is made to the utility model with reference to Fig. 1, Fig. 2.
The utility model is realized using eddy flow ore slurry electrolyzing device as shown in Figure 1, is prepared in slurrying tank 15 first The salts solution of certain pH value starts blender 16, and powder is put into slurrying tank 15 and stirred evenly by certain solid-to-liquid ratio, Ore pulp regulating valve 12 and shut-off valve 17 are opened, starts mortar pump 18, ore pulp is by slurrying tank 15 through shut-off valve 17, mortar pump 18 along pipe Road 9, stock inlet 8 enter cyclone electrolytic cell tank 3, then return to slurrying tank through ore pulp regulating valve 12, form the cycle of ore pulp.It opens straight Galvanic electricity source 1, through 2 power transmission of conducting wire, 3 tank body of cyclone electrolytic cell tank is anode, and cathode tube 6 is cathode, proceeds by in-pulp electrolysis, is adjusted The assignment of traffic of regulating valve 11 and ore pulp regulating valve 12.Because ore pulp tangentially enters at a high speed cyclone electrolytic cell tank 3, lead to ore pulp It is quickly rotated along tank skin in cyclone electrolytic cell tank 3, powder particles density is more than solution density in ore pulp, and powder particles are poly- to tank skin Collection, tank body center solid content are reduced, and the liquid in rotation speed at tank body center is further decreased using insulation spoiler 7.Ore pulp electricity In solution preocess, heavy metal in powder direct oxidation or the oxygen oxygen by being precipitated on 3 inner wall of cyclone electrolytic cell tank as anode Change and enters solution, under the action of the centrifugal force, the less part solution of solid content is to tank body center flow, by the spoiler 7 that insulate, Heavy metal ion in solution is precipitated on the cathode tube 6 as cathode in powdery, is discharged by regulating valve 11 with solution after falling off Subsider 13 simultaneously settles, and supernatant returns to slurrying tank 15 through overflow pipe 14.As electrolysis carries out, heavy metal is constantly molten in powder Go out, deposition, de- fall behind in subsider 13 accumulate on cathode tube 6, and slurry filtration after the completion of electrolysis, filtrate, which returns to repetition, to be made With the enrichment purpose that realization heavy metal is detached from powder and is precipitated in cathode.The gas generated in electrolytic process, through eddy flow electricity The gas-liquid separator 4 at 3 top of solution tank is discharged by exhaust outlet 5.
In the utility model structure, the heavy metal in powder constantly enters solution in the tank skin region soluble as anode, Heavy metal ion in solution is constantly precipitated on the cathode at tank center, contains to make the heavy metal ion in solution keep low Amount, and the heavy metal powder that cathode is precipitated is detached with water inflow subsider with powder, reaches removing heavy metal purpose in powder.

Claims (4)

1. a kind of device of eddy flow in-pulp electrolysis removing heavy metal, it is characterised in that:Including cyclone electrolytic cell tank, subsider and with rotation The connected slurrying tank in electrolytic cell lower end is flowed, tangential direction is equipped with stock inlet in cyclone electrolytic cell tank tank skin upper end, on cyclone electrolytic cell tank Side is equipped with exhaust outlet;It is internally provided with cathode tube in cyclone electrolytic cell tank, insulation spoiler is equipped on the outside of cathode tube, lower section passes through insulation Conduit is connected with subsider;Subsider is connected to by the overflow pipe of top with slurrying tank;It is equipped with blender on slurrying tank, is starching Change and is connected with stock inlet by mortar pump and pipeline below slot;The cyclone electrolytic cell tank and cathode tube pass through conducting wire and direct current respectively The positive and negative electrode of power supply is connected.
2. the device of eddy flow in-pulp electrolysis removing heavy metal according to claim 1, it is characterised in that:It is set on exhaust outlet Have gas-liquid separating valve, on insulated conduit be equipped with regulating valve, below cyclone electrolytic cell tank be equipped with ore pulp regulating valve, mortar pump with Shut-off valve is equipped between slurrying tank.
3. the device of eddy flow in-pulp electrolysis removing heavy metal according to claim 1, it is characterised in that:The eddy flow ore pulp Electrolytic cell is made of conductive inert material or liner conductive inert material;Cathode tube is thin using conductive inert web material or trepanning Plate makes.
4. the device of eddy flow in-pulp electrolysis removing heavy metal according to claim 3, it is characterised in that:The eddy flow mine The material for starching electrolytic cell can be titanium or graphite;The cathode cylinder material can be stainless steel or titanium or graphite.
CN201721789816.2U 2017-12-20 2017-12-20 A kind of device of eddy flow in-pulp electrolysis removing heavy metal Active CN207933537U (en)

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CN201721789816.2U CN207933537U (en) 2017-12-20 2017-12-20 A kind of device of eddy flow in-pulp electrolysis removing heavy metal

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107893243A (en) * 2017-12-20 2018-04-10 中科京投环境科技江苏有限公司 A kind of device and removal methods of eddy flow in-pulp electrolysis removing heavy metal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107893243A (en) * 2017-12-20 2018-04-10 中科京投环境科技江苏有限公司 A kind of device and removal methods of eddy flow in-pulp electrolysis removing heavy metal

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