JP3243128U - Lithium battery black powder homogenization device - Google Patents
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 34
- 239000000843 powder Substances 0.000 title claims abstract description 31
- 238000000265 homogenisation Methods 0.000 title description 4
- 238000005188 flotation Methods 0.000 claims abstract description 33
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 24
- 238000005406 washing Methods 0.000 claims abstract description 16
- 150000003839 salts Chemical class 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000007885 magnetic separation Methods 0.000 claims abstract description 11
- 239000000047 product Substances 0.000 claims abstract description 10
- 239000006148 magnetic separator Substances 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000012141 concentrate Substances 0.000 claims abstract description 6
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- 239000007787 solid Substances 0.000 claims abstract description 6
- 239000012065 filter cake Substances 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 10
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 239000004088 foaming agent Substances 0.000 claims description 5
- 239000002516 radical scavenger Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 239000013049 sediment Substances 0.000 claims description 2
- 239000002244 precipitate Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 11
- 150000002739 metals Chemical class 0.000 description 8
- 238000000605 extraction Methods 0.000 description 6
- 238000007670 refining Methods 0.000 description 6
- 238000011282 treatment Methods 0.000 description 5
- 238000000926 separation method Methods 0.000 description 4
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 241000779819 Syncarpia glomulifera Species 0.000 description 1
- TUVYSBJZBYRDHP-UHFFFAOYSA-N acetic acid;methoxymethane Chemical compound COC.CC(O)=O TUVYSBJZBYRDHP-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000003350 kerosene Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000001739 pinus spp. Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229940036248 turpentine Drugs 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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- Primary Cells (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
【課題】使用済みリチウム電池の黒色粉末の純度が劣るという欠点を効果的に解消する、リチウム電池黒色粉末の均一化装置を提供する。【解決手段】リチウム電池黒色粉末の均一化装置は、リチウム電池黒色粉末Ａが投入されて洗浄を行う洗浄装置１と、洗浄装置１に接続され、洗浄装置１で洗浄して得られた固体を、温度制御可能に濾過を行う濾過装置２と、濾過装置２に接続され、濾過装置２で濾過して得られた濾過ケーキについて、水を用いてリチウム電池黒色粉末Ａを浮選パルプに調製する浮選装置３と、浮選装置３に接続され、含まれる鉄成分Ｃを除去するよう、浮選装置３で浮選した後の金属塩沈鉱Ｂを磁選する磁選装置４と、磁選装置４に接続され、含まれるアルミニウム成分Ｄを除去し、金属塩精鉱Ｅ製品を得るよう、磁選装置４で得られた生成物を渦電流選別する渦電流選別装置５と、を含む。【選択図】図１An apparatus for homogenizing lithium battery black powder is provided, which effectively solves the problem of poor purity of black powder in used lithium batteries. A homogenizing device for lithium battery black powder includes a washing device 1 for washing after charging lithium battery black powder A, connected to the washing device 1, and washing a solid obtained by washing with the washing device 1. a filtration device 2 that performs temperature-controllable filtration; a filter cake that is connected to the filtration device 2 and filtered by the filtration device 2; A flotation device 3, a magnetic separation device 4 connected to the flotation device 3 and magnetically separating the metal salt precipitate B after flotation by the flotation device 3 so as to remove the contained iron component C, and a magnetic separation device 4 for eddy current sorting the product obtained from the magnetic separator 4 to remove the contained aluminum component D and obtain the metal salt concentrate E product. [Selection drawing] Fig. 1
Description
本考案は、リチウム電池黒色粉末の均一化装置に関し、使用済みリチウム電池の有価金属の抽出及び化学精錬処理の前処理の精製装置に関する。 TECHNICAL FIELD The present invention relates to a homogenization device for lithium battery black powder, and to a purification device for extraction of valuable metals from used lithium batteries and pretreatment for chemical refining.
従来、リチウム電池の組成は、電極（正極と負極を含み）、セパレータ、電解液及び筐体などに大きく分けられ、使用済みリチウム電池の電極材料が環境に入ると、電池正極の金属イオン、負極のカーボンダスト、電解質中の強アルカリ及び重金属イオンは、深刻な環境汚染を引き起こすおそれがあるため、使用済みリチウム電池を回収し処理すべきである。使用済みリチウム電池の処理技術は、物理的前処理過程、有価金属の抽出過程及び化学精錬処理過程に分けられ、そのうち、物理的前処理技術は主に、簡単な放電処理を経た後、物理的破砕及び選別過程によって、使用済み電池を、金属及び混合プラスチックを含む混合粉末（いわゆる黒色粉末）に処理し、更に後続の有価金属の抽出及び化学精錬処理を行う。しかし、現在、使用済みリチウム電池の前処理方法は主に、高温処理の方法によって使用済みリチウム電池から金属又は金属化合物を抽出し、該高温処理方法は反応速度が速く、所要時間が短いが、コストが高く、黒色粉末の純度も低く、かつ高温エネルギー消費量が高く、電解液及びバインダーは高温で大量の有毒な排気ガスを発生し、環境二次汚染を引き起こしてしまう。 Conventionally, the composition of a lithium battery is roughly divided into electrodes (including positive and negative electrodes), separators, electrolytes and housings. Carbon dust, strong alkali and heavy metal ions in the electrolyte can cause serious environmental pollution, so used lithium batteries should be collected and disposed of. The treatment technology of used lithium batteries is divided into physical pretreatment process, valuable metal extraction process and chemical refining treatment process. Through the crushing and sorting process, the spent batteries are processed into a mixed powder containing metals and mixed plastics (so-called black powder) for subsequent extraction and chemical refining of valuable metals. However, at present, the pretreatment method of used lithium batteries mainly extracts metals or metal compounds from used lithium batteries by high temperature treatment methods, which have a fast reaction rate and a short time, but The cost is high, the purity of the black powder is low, and the high temperature energy consumption is high.
本考案の主な目的は、使用済みリチウム電池の黒色粉末の純度が劣るという欠点を効果的に解消できるリチウム電池黒色粉末の均一化装置を提供する。 SUMMARY OF THE INVENTION The main objective of the present invention is to provide an apparatus for homogenizing lithium battery black powder, which can effectively overcome the drawback of poor purity of black powder in used lithium batteries.
本考案のリチウム電池黒色粉末の均一化装置は、以下を備える。
リチウム電池黒色粉末が投入されて洗浄を行う洗浄装置。
洗浄装置に接続され、洗浄装置で洗浄して得られた固体を、温度制御可能に濾過を行う濾過装置。
濾過装置に接続され、濾過装置で濾過して得られた濾過ケーキについて、水を用いてリチウム電池黒色粉末を浮選パルプに調製する浮選装置。
浮選装置に接続され、含まれる鉄成分を除去するよう、浮選装置で浮選した後の金属塩沈鉱を磁選する磁選装置。
磁選装置に接続され、含まれるアルミニウム成分を除去し、金属塩精鉱製品を得るよう、磁選装置で得られた生成物を渦電流選別する渦電流選別装置。
The lithium battery black powder homogenizing device of the present invention comprises:
A cleaning device that performs cleaning by inserting lithium battery black powder.
A filtering device connected to a washing device to perform temperature-controllable filtration of solids obtained by washing with the washing device.
A flotation device that is connected to a filtration device and uses water to prepare a black powder of a lithium battery into a flotation pulp from a filter cake obtained by filtration through the filtration device.
A magnetic separation device that is connected to a flotation device and magnetically separates metal salt deposits after flotation by the flotation device so as to remove the contained iron components.
An eddy current separator connected to the magnetic separator for eddy current sorting the product obtained from the magnetic separator to remove contained aluminum components and obtain a metal salt concentrate product.
本考案のリチウム電池黒色粉末の均一化装置において、浮選装置には薬剤供給機が設置され、薬剤供給機により浮選装置内に炭素捕捉剤及び起泡剤を投入する。 In the lithium battery black powder homogenizing apparatus of the present invention, the flotation device is equipped with a chemical feeder, and the chemical feeder feeds the carbon scavenger and the foaming agent into the flotation device.
本考案のリチウム電池黒色粉末の均一化装置は、その利点が、使用済みリチウム電池黒色粉末の前処理過程についてプロセスを開発し、黒色粉末中のプラスチック、金属などの不純物成分を低減し、黒色粉末の純度を向上させ、後続の有価金属の抽出及び化学精錬処理に有利であり、かつ環境への二次汚染を回避できることにある。 The lithium battery black powder homogenization device of the present invention has the advantage of developing a process for the pretreatment process of used lithium battery black powder, reducing the impurity components such as plastics and metals in the black powder, It is advantageous for the subsequent extraction of valuable metals and chemical refining treatment, and avoids secondary pollution to the environment.
本考案が上述の使用目的と効果を達成するために用いた技術的手段について、好適な実施可能な実施例を挙げて、図面を参照しながら、以下のとおり詳しく説明する。 The technical means used by the present invention to achieve the above-mentioned purpose and effect are described in detail below with preferred practicable embodiments and with reference to the drawings.
本考案の実施例は、図１に示されたように、主に洗浄装置１、濾過装置２、浮選装置３、磁選装置４及び渦電流選別装置５を備える。該洗浄装置１はリチウム電池黒色粉末Ａが投入されて洗浄を行う。該濾過装置２は該洗浄装置１に接続され、該洗浄装置１で洗浄して得られた固体について、該濾過装置２により温度制御可能な濾過を行う。該浮選装置３は該濾過装置２に接続され、該浮選装置３には薬剤供給機３０が設置されている。該濾過装置２で濾過して得られた濾過ケーキについて、該浮選装置３により水を用いてリチウム電池黒色粉末Ａを浮選パルプに調製する。該薬剤供給機３０により該浮選装置３内に炭素捕捉剤及び起泡剤を投入する。該磁選装置４は該浮選装置３に接続され、該浮選装置３で浮選した後の金属塩沈鉱Ｂは、該磁選装置４により磁選を行うことで、含まれる鉄成分Ｃが除去される。該渦電流選別装置５は該磁選装置４に接続され、該磁選装置４で得られた生成物は、該渦電流選別装置５により渦電流選別を行うことで、含まれるアルミニウム成分Ｄが除去され、金属塩精鉱Ｅ製品が得られる、といった、リチウム電池黒色粉末の均一化装置である。
The embodiment of the present invention mainly comprises a
本考案は上記装置を利用してリチウム電池黒色粉末の均一化方法を実施し、図１、２に示されたように、その方法の工程は下記のとおりである。
（１）リチウム電池黒色粉末Ａを、温度制御可能な洗浄装置１内に投入して洗浄を行う。洗浄温度が５０℃～１５０℃、洗浄時間が０．５～２時間であり、洗浄液の成分は、ベンゼン、Ｎ－メチルピロリドン（英語名ＮＭＰ）、プロピレングリコールモノメチルエーテル（英語名ＰＧＭＥ）、プロピレングリコールモノメチルエーテルアセテート（英語名ＰＧＭＥＡ）、ハロゲン元素含有アルカン類（例えば、ジクロロメタン）である。
（２）工程（１）で洗浄して得られた固体は、濾過装置２により温度制御可能な濾過を行い、濾過温度が５０℃～１５０℃、濾過時間が０．５～２時間である。
（３）工程（２）で得られた濾過ケーキを、浮選装置３内に投入し、水を用いてリチウム電池黒色粉末Ａを濃度５～３５ｗｔ％の浮選パルプに調整する。薬剤供給機３０により浮選パルプに炭素捕捉剤（例えば、ケロシン又はデイーゼル油）及び起泡剤（例えば、テレビン油）を投入する。炭素捕捉剤及び起泡剤の添加量は、投入されたリチウム電池黒色粉末Ａの重量の０．１～１０％である。炭素製品及び金属塩沈鉱Ｂを得、金属塩沈鉱Ｂにおける炭素成分＞０．５ｗｔ％であれば、続いて浮選装置３内に投入し、炭素成分＜０．５ｗｔ％になるまで浮選を行う。
（４）工程（３）の炭素成分＜０．５ｗｔ％の金属塩沈鉱Ｂは、磁選装置４により磁選を行い、磁力の強さが５０００～３００００ガウスであり、含まれる鉄成分Ｃを除去する。
（５）工程（４）の磁選で得られた生成物は、渦電流選別装置５により渦電流選別を行い、含まれるアルミニウム成分Ｄを除去する。
（６）工程（５）で得られた固体は、リチウム、マンガン、コバルト、ニッケル成分を含む金属塩精鉱Ｅであり、後続の金属の抽出及び化学精錬処理を行える。
The present invention utilizes the above apparatus to carry out a method for homogenizing lithium battery black powder, and as shown in FIGS. 1 and 2, the steps of the method are as follows.
(1) Lithium battery black powder A is put into a temperature-
(2) The solid obtained by washing in step (1) is subjected to temperature-controllable filtration by a
(3) The filter cake obtained in step (2) is put into the
(4) The metal salt precipitate B having a carbon content of <0.5 wt% in step (3) is subjected to magnetic separation by the
(5) The product obtained by the magnetic separation in step (4) is subjected to eddy current separation by the eddy
(6) The solid obtained in step (5) is a metal salt concentrate E containing lithium, manganese, cobalt and nickel components, which can be subjected to subsequent metal extraction and chemical refining treatments.
本考案の装置は、使用済みリチウム電池黒色粉末に対して前処理を行い、リチウム電池黒色粉末中のプラスチック、金属などの不純物成分を低減し、黒色粉末の純度を向上させ、後続の有価金属の抽出及び化学精錬処理に有利であり、かつ環境への二次汚染を回避でき、非常に環境に優しい。 The device of the present invention pre-processes the used lithium battery black powder, reduces the impurity components such as plastics and metals in the lithium battery black powder, improves the purity of the black powder, and improves the subsequent use of valuable metals. It is advantageous for extraction and chemical refining process, and can avoid secondary pollution to the environment, which is very environmentally friendly.
上述したように、本考案は、確かに予期する使用目的と効果を達成できており、かつ従来のものよりも理想的で、実用である。ただし、上記実施例は本考案の好適な実施例について具体的に説明するものに過ぎず、該実施例は本考案の請求の範囲を限定するものではなく、他の本考案に開示された技術的手段を逸脱することなくなされたあらゆる均等な変更と修飾は、すべて本考案の請求の範囲に包含される。 As described above, the present invention certainly achieves the intended purpose and effect, and is more ideal and practical than the conventional one. However, the above-described embodiments are only specific descriptions of preferred embodiments of the present invention, and the embodiments are not intended to limit the scope of the claims of the present invention, and other technologies disclosed in the present invention. All equivalent changes and modifications made without departing from the technical means are included in the scope of the present invention.
１ 洗浄装置
２ 濾過装置
３ 浮選装置 ３０薬剤供給機
４ 磁選装置
５ 渦電流選別装置
Ａ リチウム電池黒色粉末
Ｂ 金属塩沈鉱
Ｃ 鉄成分
Ｄ アルミニウム成分
Ｅ 金属塩精鉱
Claims (1)
該洗浄装置に接続され、該洗浄装置で洗浄して得られた固体を、温度制御可能に濾過を行う濾過装置と、
該濾過装置に接続され、薬剤供給機が設置されている浮選装置であって、該薬剤供給機により該浮選装置内に炭素捕捉剤及び起泡剤が投入され、該濾過装置で濾過して得られた濾過ケーキについて、水を用いてリチウム電池黒色粉末を浮選パルプに調製する浮選装置と、
該浮選装置に接続され、含まれる鉄成分を除去するよう、該浮選装置で浮選した後の金属塩沈鉱を磁選する磁選装置と、
該磁選装置に接続され、含まれるアルミニウム成分を除去し、金属塩精鉱製品を得るよう、該磁選装置で得られた生成物を渦電流選別する渦電流選別装置と、
を備えるリチウム電池黒色粉末の均一化装置。 a cleaning device in which the lithium battery black powder is charged to perform cleaning;
a filtration device connected to the washing device for filtering the solid obtained by washing with the washing device in a temperature-controllable manner;
A flotation device connected to the filtration device and provided with a chemical feeder, wherein the chemical feeder introduces a carbon scavenger and a foaming agent into the flotation device, and filters the flotation device. a flotation device for preparing the lithium battery black powder into a flotation pulp using water for the filter cake obtained by
a magnetic separation device connected to the flotation device for magnetically separating the metal salt sediment after flotation by the flotation device so as to remove the contained iron component;
an eddy current sorter connected to the magnetic separator for eddy current sorting the product obtained from the magnetic separator to remove contained aluminum components and obtain a metal salt concentrate product;
A homogenizing device for lithium battery black powder, comprising:
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