CN103227337A - Waste zinc-manganese dry battery recovery system based on jigger sorting - Google Patents
Waste zinc-manganese dry battery recovery system based on jigger sorting Download PDFInfo
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- CN103227337A CN103227337A CN2013101240258A CN201310124025A CN103227337A CN 103227337 A CN103227337 A CN 103227337A CN 2013101240258 A CN2013101240258 A CN 2013101240258A CN 201310124025 A CN201310124025 A CN 201310124025A CN 103227337 A CN103227337 A CN 103227337A
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/84—Recycling of batteries or fuel cells
Abstract
The invention belongs to the field of waste resource recycling, and particularly relates to a waste zinc-manganese dry battery recycling system based on jigger sorting. The system adopts the principle of jigging and sorting of a jigger to perform jigging and layering on materials subjected to crushing and iron removal according to the characteristics that the density difference of main solid materials in a common zinc-manganese dry battery is large and the particle sizes are almost the same, so that light materials overflow from an overflow weir, heavy materials are discharged from a discharge hole, and meanwhile, HCl is adopted by a section of jigger as a sorting medium to directly dissolve substances in the materials, so that different materials are classified, recycled and utilized.
Description
Technical Field
The invention belongs to the field of waste resource recycling, and particularly relates to a waste zinc-manganese dry battery recycling system based on jigger sorting.
Background
In 2009, the output of chemical batteries exceeds 335 hundred million, wherein 195 million of common zinc-manganese batteries and 90 million of alkaline-manganese batteries are used, but the recovery rate of waste batteries is very low, and the recovery rate is almost thrown away. The abandoned waste batteries not only cause huge waste of resources, but also cause great harm to the environment and human bodies. Calculated by 100 hundred million dry batteries produced every year, zn15.6 ten thousand t, mnO will be consumed all the year 2 22.6 ten thousand t, cu2080t, zn2.7 ten thousand t chloride, NH 4 Cl7.9 ten thousand t, carbon rod 4.3 ten thousand t, hg40 more t. The annual consumption of Zn accounts for about 13 percent of the Zn yield in China. According to preliminary calculation, if 30% of the dry batteries scrapped in China every year are recovered, 3 ten thousand of Zn and MnO can be recovered 2 5 million t of Hg and 15 million t of Hg, and the value reaches 4-5 hundred million yuan RMB. The existing dry battery recovery system has the advantages of deep curing, deep burying, storage in a waste mine, heat treatment, wet treatment and vacuum heat treatment, and the systems have large pollution or have a certain distance from the practical production. In view of the large density difference of materials in the waste common zinc-manganese dry batteries, authors try to recycle the waste common zinc-manganese dry batteries by using hydrochloric acid as a medium and utilizing a gravity separation principle.
At present, the treatment technology for the zinc-manganese dry battery mainly comprises treatment methods such as pyrometallurgy, hydrometallurgy and the like, but the method is not the optimal method from the viewpoint of energy conservation and environmental protection because the method has large energy consumption and large industrial investment and can generate a large amount of production wastewater.
Along with the restriction of lead-acid batteries due to policy, the market construction shrinks, the usage amount of zinc-manganese lithium ion batteries with high cost performance is rapidly increased, and then a large amount of zinc-manganese lithium ion battery fertilizers and waste batteries are generated in the production and consumption process, so that the simple and low-investment recycling of the zinc-manganese lithium ion batteries and the waste batteries is very important.
Disclosure of Invention
The invention aims to provide a waste zinc-manganese dry battery recovery system based on jigger sorting, which is based on the sorting principle of jiggers, separates useful substances in waste batteries, then recycles the useful substances, reduces pollution, and has the advantages of simple and easy system and high sorting and recovery efficiency.
In order to achieve the purpose, the invention adopts the following technical scheme: a waste zinc-manganese dry battery recovery method based on jigger sorting comprises the following components:
the cone crusher is used for crushing the zinc-manganese waste battery to below 5mm so as to ensure that Zn skin, cu, hg, plastic, asphalt (paraffin) and MnO in the zinc-manganese dry battery 2 、NH 4 Cl, graphite and other materials are dissociated from each other.
The high-gradient magnetic separator is used for carrying out magnetic separation on the materials crushed by the cone crusher, recovering iron simple substances in advance, recycling the iron simple substances, and preventing the iron simple substances from entering a medium liquid of the jigger of the next stage to participate in reaction so as to increase the difficulty of recovering the iron elements.
A segment of jigger for separating jigging, magnetic separating iron-removed material (Zn skin, cu, hg, plastics, asphalt (paraffin), mnO) 2 、NH 4 Cl, graphite, etc.) for sorting. And (5) layering the materials. So that plastics, asphalt, graphite, mnO 2 And the materials as the upper layer are discharged from an overflow weir and enter a second-stage jigger for secondary sorting. Zn skin reacts with a sorting medium of the jigger to be dissolved, the solution after reaction is sent into a neutralization sedimentation tank for recycling, and Cu and Hg simple substances are discharged from a discharge port as lower-layer substances and enter a drying roasting furnace. The jump machine uses hydrochloric acid as medium and has controllable period.
And the drying roasting furnace is used for removing Hg from the mixture of Cu and Hg separated from the first-stage jigger by using a reduction reaction, so that the separation and recovery of Cu and Hg are realized.
Two-stage jigger for treating plastics, asphalt, graphite and MnO discharged from overflow weir of jigger 2 Sorting so as to make MnO 2 The high-density materials are discharged from the discharge hole and are collected for reuse. Graphite as low-density material, plastic and asphalt are discharged out of the jigger along with horizontal flow from the overflow weir and enter a wet vibrating screen.
And the wet vibrating screen is used for separating, classifying, recycling and reusing the plastic, the asphalt and the graphite separated in the first-stage jigger and the second-stage jigger.
A neutralizing and settling tank for collecting the sorting medium liquid discharged from the jigger and neutralizing with NaOH solution with PH =9 in the neutralizing and settling tank, znCl 2 Will react to form Zn (OH) 2 Precipitating with NH 4 The Cl solution is separated.
An ammonia adding device for separating Zn (OH) from the neutralization and sedimentation tank 2 The precipitate is ammoniated to generate [ Zn (NH) 3 ) 4 ] 2+ ·2OH - Can be used as raw material for rubber additive and surgical ointment after recovery. And NH 4 Cl is used as a raw material for producing a physiological fertilizer.
Preferably, the first-section jigger adopts an LTA55/2 type jigger, the feed granularity is less than or equal to 5mm, and the separation efficiency is high. The first-stage jigger adopts HCl as a separation medium, so that Zn skins are fully separated from Hg after reaction with HCl, and conditions are provided for respective recycling of Hg and Zn in the next step.
Preferably, the two-stage jigger adopts a sawtooth wave JT1070-2 type jigger, HCl is used as a sorting medium, due to the fact that the sawtooth waveform moves downwards, the upward flow is uniform, the upward flow and the downward flow are in a sawtooth shape, the jigger mineral separation treatment of fine-grained minerals is facilitated, and the two-stage jigger has the advantages of saving energy and medium, improving the recovery of fine grains and minerals and the like, and adopts HCl as the sorting medium, the medium density is between MnO, and the like 2 And plastic, asphalt, and graphite.
Preferably, the NaOH solution, the HCl solution and the ammonia water are respectively provided by a special NaOH solution adding container, a special HCl solution adding container and a special ammonia adding device.
The utility model discloses can also further realize through following technological measure:
(1) Preparing materials: sending the zinc-manganese waste battery into a cone crusher to be crushed to be less than 5mm, so that Zn skin, cu, hg, plastic, asphalt (paraffin) and MnO in the zinc-manganese dry battery are crushed to be less than 5mm 2 、NH 4 The materials such as Cl, graphite and the like are dissociated with each other, and the crushed materials are subjected to high gradientAnd the magnetic separator performs magnetic separation to recover the iron simple substance, so that the iron simple substance is recycled. Entering the next step of sorting;
(2) Jigging and sorting: as the case may be, a hydrochloric acid solution with PH = 4-6 is prepared in the NaOH solution addition vessel 12 to provide a sorting medium for a single stage jig. Crushing and dissociating the materials (Zn skin, cu, hg, plastic, asphalt (paraffin), mnO) 2 、NH 4 Cl, graphite, etc.) into a jigger with a controllable period using hydrochloric acid as a medium. The following processes occur in a segment of a jig: firstly, a hydrochloric acid medium is pushed by a piston to penetrate through a sieve plate and press the hydrochloric acid medium to a material, the bed layer of the material is gradually loosened and suspended under the action of the ascending hydrochloric acid medium flow, and then ore particles in the bed layer do relative motion with each other according to the characteristics (density, granularity and shape) of the ore particles to be layered. The plastics and the asphalt with lower density float upwards, and meanwhile, the Zn skin reacts with hydrochloric acid to generate ZnCl 2 And H 2 . After the ascending medium flow is over, in the period of rest and in the period of descending medium flow the bed layer is gradually compacted, and continuously laminated so as to obtain graphite and MnO 2 And the Cu and the Hg are layered according to density. Discharging high-density materials Cu and Hg from a discharge port below the bed layer; graphite, mnO 2 The low-density materials as the upper layer, plastics and asphalt are discharged from the overflow weir of the jigger to the secondary jigger along with horizontal flow for jigging, and the following phenomena occur: the water medium is pushed by the piston to penetrate through the sieve plate and press the sieve plate to the material, the bed layer of the material is gradually loosened and suspended under the action of the ascending hydrochloric acid medium flow, and at the moment, the ore particles in the bed layer do relative motion with each other according to the characteristics (the density, the granularity and the shape of the ore particles) of the ore particles to carry out layering. MnO (MnO) 2 In order to discharge high-density materials from a discharge port, graphite as low-density materials, plastics and asphalt are discharged out of the jig along with horizontal flow from an overflow weir of the jig, and then the graphite enters the next step of classification and recycling.
(3) Classifying, recycling and utilizing: and (3) conveying the mixture of Cu and Hg discharged from the discharge port of the first-stage jigger into a drying roasting furnace, and recovering Hg from Cu according to different boiling points of the mixture. Feeding graphite, plastic and asphalt in overflow weir of two-stage jigger into wet vibrating screen for screening and filtering to separate graphite from plastic and asphaltAnd then separated out for recycling. Will be doped with a large amount of ZnCl 2 、NH 4 Discharging Cl separation medium into a neutralization and precipitation tank, adding NaOH solution with pH =9 prepared in a NaOH solution adding container, and ZnCl 2 Will react to form Zn (OH) 2 Precipitating with NH 4 And (4) separating a Cl (physiological fertilizer and the like) solution. Then separating out Zn (OH) 2 The sediment is sent into a reaction tank for ammonification to generate [ Zn (NH) 3 ) 4 ] 2+ ·2OH - Can be used as raw material for rubber additive and surgical ointment after recovery. And NH 4 Cl, when collected, is used as a raw material for producing a physiological fertilizer, and H 2 Collecting with hydrogen collector after overflowing, H 2 Can be recycled as fuel or reducing agent. The concentration and density of the medium in the reaction process are monitored in real time through an intelligent control system and fed back so as to be adjusted in time.
The chemical reactions mainly occurring in the sorting and recovery process are as follows:
Zn+2HCl=ZnCl 2 +H 2 ↑
Zn+2HgCl=ZnCl 2 +Hg
Cl 2 +2NaOH=Zn(OH) 2 ↓+2NaCl
Zn(OH) 2 +NH 3 ·H 2 O→[Zn(NH 3 ) 4 ] 2+ ·2OH -
the invention has the following beneficial effects:
(1) The method has wide application range, and is suitable for recycling and comprehensive utilization of various waste batteries; (2) The comprehensive utilization capacity of elements is strong, multiple elements such as Fe, mn, zn, li and Ni can be effectively recovered, and the recovery rate is high; (3) The system is simple, the cost is low, the recovery value is high, the method belongs to the circular economy industry, and the method has economic and social value dual benefits.
Drawings
Fig. 1 is a schematic structural diagram of the waste zinc-manganese dry battery recovery system.
The notations in the figures have the following meanings:
10-cone crusher 11-hydrogen collector 12-NaOH solution adding container
13-HCl solution adding container 20-high gradient magnetic separator 30 one-section jigger
40-two-stage jigger 50-neutralization sedimentation tank 60-drying roasting furnace
70-wet vibrating screen 80-reaction tank 90-ammoniating device
Detailed Description
As shown in fig. 1, a waste zinc-manganese dry battery recovery system based on jigger sorting comprises the following components:
the cone crusher 10 is used for crushing the zinc-manganese waste battery to below 5mm so as to ensure that Zn skins, cu, hg, plastics, asphalt (paraffin) and MnO in the zinc-manganese dry battery 2 、NH 4 Cl, graphite and other materials are dissociated with each other.
The high-gradient magnetic separator 20 is used for carrying out magnetic separation on the materials crushed by the cone crusher 10, recovering iron simple substances in advance, and recycling the iron simple substances to prevent the iron simple substances from entering the medium liquid of the next-section jigger 30 to participate in reaction, so that the difficulty of recovering the iron elements is increased.
A segment of jigger 30 for crushing, dissociating, magnetically separating and removing iron (Zn skin, cu, hg, plastics, asphalt (paraffin), mnO) 2 、NH 4 Cl, graphite, etc.) for sorting. And (5) layering the materials. So that plastics, asphalt, graphite, mnO 2 The manganese as an upper layer is discharged from an overflow weir and enters a second-stage jigger 40 for secondary sorting. The Zn skin reacts and dissolves with the sorting medium of the first-stage jigger 30, the reacted solution is sent to a neutralization sedimentation tank 50 for recycling, and the Cu and Hg simple substances are discharged from a discharge port as lower-layer substances and enter a drying roasting furnace 60. The stage jump machine 30 uses hydrochloric acid as medium and has controllable period.
And the drying roasting furnace 60 is used for removing Hg from the mixture of Cu and Hg separated from the first-stage jigger 30 by using a reduction reaction, so that the separation and recovery of Cu and Hg are realized.
Two segmentA jigger 40 for processing plastics, asphalt, graphite, mnO, etc. discharged from the overflow weir of the first stage jigger 30 2 Sorting so as to make MnO 2 The high-density materials are discharged from the discharge port of the second-stage jigger 40 and are recycled after being collected. Graphite as a low-density material, plastic and asphalt are discharged out of the machine along with horizontal flow from the overflow weir of the two-stage jigger 40 and enter the wet vibrating screen 70.
And the wet vibrating screen 70 is used for separating, classifying, recycling and reusing the plastic, asphalt and graphite separated in the first-stage jigger 30 and the second-stage jigger 40.
A neutralization and sedimentation tank 50 for collecting the sorting medium liquid discharged from the jigger, and neutralizing the sorting medium liquid with NaOH solution with PH =9 in the neutralization and sedimentation tank 50, znCl 2 Will react to form Zn (OH) 2 Precipitating with NH 4 The Cl solution is separated.
An ammonia adding device 90 for separating Zn (OH) from the neutralization and sedimentation tank 50 2 The precipitate is ammoniated to generate [ Zn (NH) 3 ) 4 ] 2+ ·2OH - Can be used as raw material for rubber additive and surgical ointment after recovery. NH4Cl is used as a raw material for producing a physiological fertilizer.
Preferably, the first-stage jigger 30 adopts an LTA55/2 type jigger, the feed granularity is less than or equal to 5mm, and the sorting efficiency is high. The first-stage jigger 30 adopts HCl as a separation medium, so that Zn skins are fully separated from Hg after reaction with HCl, and conditions are provided for respective recycling of Hg and Zn in the next step.
Preferably, the two-stage jigger 40 adopts a sawtooth wave JT1070-2 type jigger, utilizes water as a medium, has the advantages of water saving, energy saving, fine grain and mineral recovery improvement and the like because of a downward moving sawtooth waveform, uniform ascending water flow and sawtooth ascending and descending water flow, and is favorable for the jigging and dressing treatment of fine grain minerals, the two-stage jigger 40 adopts HCl as a sorting medium, and the medium density is between MnO 2 And plastic, asphalt, and graphite.
Preferably, the NaOH solution, HCl solution and ammonia water are supplied from a dedicated NaOH solution adding container 12, HCl solution adding container 13 and ammonia adding device 90, respectively.
The invention can be further realized by the following technical measures:
(1) Preparing materials: sending the zinc-manganese waste battery into a cone crusher 10 to crush the zinc-manganese waste battery to below 5mm, so that Zn skin, cu, hg, plastic, asphalt (paraffin) and MnO in the zinc-manganese dry battery are ensured 2 、NH 4 Materials such as Cl and graphite are dissociated from each other, and the crushed materials are subjected to magnetic separation by a high-gradient magnetic separator 20 to recover iron simple substances, so that the materials are recycled. Sorting in the next step;
(2) Jigging and sorting: according to actual conditions, hydrochloric acid solution with pH = 4-6 is adjusted in the HCl solution adding container 12 to provide sorting media for the first-stage jigger 30. Crushing and dissociating the materials (Zn skin, cu, hg, plastic, asphalt (paraffin), mnO) 2 、NH 4 Cl, graphite, etc.) into a stage of jigs 30 with a controlled period using hydrochloric acid as a medium. In a segment of the jig 30 the following process takes place: firstly, a hydrochloric acid medium is pushed by a piston to penetrate through a sieve plate and press the hydrochloric acid medium to a material, the bed layer of the material is gradually loosened and suspended under the action of the ascending hydrochloric acid medium flow, and then ore particles in the bed layer do relative motion with each other according to the characteristics (density, granularity and shape) of the ore particles to be layered. The plastic and the asphalt with lower density float upwards, and the Zn skin reacts with the hydrochloric acid to generate ZnCl 2 And H 2 . After the ascending medium flow is over, in the period of rest and in the period of descending medium flow the bed layer is gradually compacted, and continuously laminated so as to obtain graphite and MnO 2 And the Cu and the Hg are layered according to density. Discharging high-density materials Cu and Hg from a discharge port below the bed layer; graphite, mnO 2 The low-density materials as the upper layer, plastics and asphalt are discharged from the overflow weir of the first-stage jigger 30 to the second-stage jigger 40 along with horizontal flow for jigging, and the following phenomena occur: the water medium is pushed by the piston to penetrate through the sieve plate and press the sieve plate to the material, the bed layer of the material is gradually loosened and suspended under the action of the ascending hydrochloric acid medium flow, and at the moment, the ore particles in the bed layer do relative motion with each other according to the characteristics (the density, the granularity and the shape of the ore particles) of the ore particles to carry out layering. MnO 2 For discharging high-density material from discharge outlet, graphite is used as lowThe density materials, plastics and asphalt are discharged out of the machine along with horizontal flow from an overflow weir of the two-stage jigger 40 and enter the next step for classification and recycling.
(3) Classifying, recycling and utilizing: the mixture of Cu and Hg discharged from the discharge port of the primary jigger 30 is fed to a drying and roasting furnace 60, and Hg is recovered from Cu according to the difference in boiling points between the mixture. The graphite, plastic and asphalt in the overflow weir of the two-stage jigger 40 are fed into a wet vibrating screen 70 for screening and filtering, and the graphite is separated from the plastic and asphalt for recycling. Will be doped with a large amount of ZnCl 2 、NH 4 The Cl separation medium is discharged into a neutralization and sedimentation tank 50, and NaOH solution with pH =9 and ZnCl are added into a NaOH solution adding container 2 Will react to form Zn (OH) 2 Precipitating with NH 4 And (4) separating Cl (serving as a physiological fertilizer and the like) solution. Then separating out Zn (OH) 2 The sediment is sent into a reaction tank for ammonification to generate [ Zn (NH) 3 ) 4 ] 2+ ·2OH - Can be used as raw material for rubber additive and surgical ointment after recovery. And NH 4 Cl, when collected, is used as a raw material for producing a physiological fertilizer, and H 2 After overflowing, it is collected by a hydrogen collector 11, H 2 Can be recycled as fuel or reducing agent. The concentration and density of the medium in the reaction process are monitored in real time through an intelligent control system and fed back so as to be adjusted in time.
Claims (6)
1. The utility model provides a waste zinc manganese dry battery recovery system based on jigging is selected separately which characterized in that includes following component parts:
the cone crusher 10 is used for crushing the zinc-manganese waste battery to below 5mm, so that Zn skin, cu, hg, plastic, asphalt (paraffin) and MnO in the zinc-manganese dry battery 2 、NH 4 Materials such as Cl and graphite are dissociated from each other;
the high-gradient magnetic separator 20 is used for carrying out magnetic separation on the materials crushed by the cone crusher 10, recovering iron simple substances in advance, and recycling the iron simple substances to prevent the iron simple substances from entering the medium liquid of the next-stage jigger 30 to participate in reaction, so that the difficulty of recovering the iron elements is increased;
a segment of jigger 30 for crushing, dissociating, magnetically separating and removing iron (Zn skin, cu, hg, plastics, asphalt (paraffin), mnO) 2 、NH 4 Cl, graphite, etc.) to separate the materials, thereby realizing the delamination of the materials, and further realizing the separation of plastics, asphalt, graphite and MnO 2 Manganese as an upper layer is discharged from the overflow weir 304 and enters the second-stage jigger 40 for secondary separation; zn skin reacts and dissolves with a sorting medium of a first-stage jigger 30, the reacted solution is sent into a neutralization sedimentation tank 50 for recycling, and Cu and Hg simple substances are discharged from a discharge port as lower-layer substances and enter a drying roasting furnace 60, wherein the first-stage jigger 30 takes hydrochloric acid as a medium and has controllable period;
the drying roasting furnace 60 is used for removing Hg from the mixture of Cu and Hg separated from the first-stage jigger 30 by using a reduction reaction, so that the separation and recovery of Cu and Hg are realized;
a second-stage jigger 40 for processing plastics, asphalt, graphite and MnO discharged from an overflow weir of the first-stage jigger 30 2 Sorting so as to make MnO 2 Discharging high-density materials from a discharge port of a two-stage jigger 40, and recycling the materials after collection; the graphite as a low-density material, plastics and asphalt are discharged out of the machine along with horizontal flow from an overflow weir of the two-stage jigger 40 and enter a wet vibrating screen 70;
a wet vibrating screen 70 for separating, classifying, recycling and reusing the plastics, asphalt and graphite separated in the first-stage jigger 30 and the second-stage jigger 40;
a neutralization and sedimentation tank 50 for collecting the sorting medium liquid discharged from the jigger, and the neutralization and sedimentation tank 50 neutralizes the sorting medium liquid with NaOH solution with PH =9, znCl 2 Will react to form Zn (OH) 2 Precipitating and separating from NH4Cl solution;
an ammonia adding device 90 for separating Zn (OH) from the neutralization and sedimentation tank 50 2 The precipitate is subjected to ammoniation to generate [ Zn (NH) 3 ) 4 ] 2+ ·2OH - Can be used as raw material for rubber additive and surgical ointment after recovery. And NH 4 Cl is used as a raw material for producing a physiological fertilizer.
2. The waste zinc-manganese dry battery recovery system based on jigger sorting of claim 1, characterized in that: the first-section jigger 30 adopts an LTA55/2 type jigger, the feed granularity is less than or equal to 5mm, and the sorting efficiency is high; the first-stage jigger 30 adopts HCl as a separation medium, so that Zn skins are fully separated from Hg after reaction with HCl, and conditions are provided for respective recycling of Hg and Zn in the next step.
3. The waste zinc-manganese dry battery recovery system based on jigger sorting of claim 1, characterized in that: the two-stage jigger 40 adopts a sawtooth wave JT1070-2 type jigger and has the advantages of energy conservation, medium saving, fine grain and mineral recovery improvement and the like, the two-stage jigger 40 adopts HCl as a separation medium, and the medium density is between MnO 2 And plastic, asphalt, and graphite.
4. The waste zinc-manganese dry battery recovery system based on jigger sorting of claims 1-3, characterized in that: the NaOH solution, HCl solution and ammonia water are supplied from a dedicated NaOH solution addition container 12, HCl solution addition container 13 and ammonia addition device 90, respectively.
5. The waste zinc-manganese dry battery recovery system based on jigger sorting according to claim 1 or 2, characterized in that: in a segment of the jigger 30, the process occurs, preferably, the hydrochloric acid medium is pushed by a piston to penetrate through a sieve plate and press the crushed and dissociated materials (Zn skin, cu, hg, plastics, asphalt (paraffin) and MnO) 2 、NH 4 Cl, graphite and the like) under the action of an ascending hydrochloric acid medium flow, gradually loosening and suspending a bed layer, and layering ore particles in the bed layer by making relative motion according to the characteristics (density, granularity and shape) of the ore particles; the plastic and the asphalt with lower density float upwards, and the Zn skin reacts with the hydrochloric acid to generate ZnCl 2 And H 2 (ii) a After the ascending medium flow is over, in the period of rest and in the period of descending medium flow the bed layer is gradually compacted, and continuously laminated so as to obtain graphite and MnO 2 Cu, hg in densityLayering is completed; the high-density materials Cu and Hg are discharged from a discharge port below the bed layer.
6. The waste zinc-manganese dry battery recovery system based on jigger sorting of claim 1 or 3, characterized in that: graphite, mnO 2 The low-density materials as the upper layer, plastics and asphalt are discharged from the overflow weir of the first-stage jigger 30 to the second-stage jigger 40 along with horizontal flow for jigging, and the following phenomena occur: the water medium is pushed by the piston to penetrate through the sieve plate and press the sieve plate to the material, the bed layer of the material is gradually loosened and suspended under the action of the ascending hydrochloric acid medium flow, and at the moment, the ore particles in the bed layer do relative motion with each other according to the characteristics (the density, the granularity and the shape of the ore particles) of the ore particles to carry out layering. MnO 2 In order to discharge high-density materials from the discharge opening, graphite as a low-density material is discharged out of the machine together with plastics and asphalt from the overflow weir of the two-stage jigger 40 along with horizontal flow.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085334A (en) * | 2019-12-10 | 2020-05-01 | 银隆新能源股份有限公司 | Method for recycling waste power batteries by reselection method and jigging equipment |
| CN111847497A (en) * | 2020-06-30 | 2020-10-30 | 天津市茂联科技有限公司 | Method for separating manganese and zinc by liquid alkali |
| CN112387753A (en) * | 2020-10-26 | 2021-02-23 | 艾银 | Environment-friendly community waste battery disassembling and recycling device |
| CN113943865A (en) * | 2021-10-15 | 2022-01-18 | 刘佳杉 | Environment-friendly cleaning equipment and process for recycling dry batteries |
| WO2023283685A1 (en) * | 2021-07-16 | 2023-01-19 | Resource Conservation and Recycling Corporation Pty Ltd | Process for recovering values from alkaline batteries |
-
2013
- 2013-04-11 CN CN2013101240258A patent/CN103227337A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085334A (en) * | 2019-12-10 | 2020-05-01 | 银隆新能源股份有限公司 | Method for recycling waste power batteries by reselection method and jigging equipment |
| CN111085334B (en) * | 2019-12-10 | 2023-08-04 | 银隆新能源股份有限公司 | Method for recycling waste power batteries by gravity separation method and jigging equipment |
| CN111847497A (en) * | 2020-06-30 | 2020-10-30 | 天津市茂联科技有限公司 | Method for separating manganese and zinc by liquid alkali |
| CN112387753A (en) * | 2020-10-26 | 2021-02-23 | 艾银 | Environment-friendly community waste battery disassembling and recycling device |
| WO2023283685A1 (en) * | 2021-07-16 | 2023-01-19 | Resource Conservation and Recycling Corporation Pty Ltd | Process for recovering values from alkaline batteries |
| CN113943865A (en) * | 2021-10-15 | 2022-01-18 | 刘佳杉 | Environment-friendly cleaning equipment and process for recycling dry batteries |
| CN113943865B (en) * | 2021-10-15 | 2023-01-10 | 刘佳杉 | Environment-friendly cleaning equipment and process for recycling dry batteries |
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Application publication date: 20130731 |