JP4605367B2 - Waste toner solidification and reuse carbon resin-molding material manufacturing equipment - Google Patents

Waste toner solidification and reuse carbon resin-molding material manufacturing equipment Download PDF

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JP4605367B2
JP4605367B2 JP2004382982A JP2004382982A JP4605367B2 JP 4605367 B2 JP4605367 B2 JP 4605367B2 JP 2004382982 A JP2004382982 A JP 2004382982A JP 2004382982 A JP2004382982 A JP 2004382982A JP 4605367 B2 JP4605367 B2 JP 4605367B2
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waste toner
water
molding material
manufacturing equipment
chemical compound
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JP2006187890A (en
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強 伊藤
崇穂 大友
賢一 高橋
幸治 加藤
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有限会社アイシーズ
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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
    • Y02W30/62—Plastics recycling; Rubber recycling

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Description

本発明は複写機やプリンター等の微粉状廃棄トナーを固形化し、再利用カーボン入り樹脂成形材料を製造する装置および処理方法に関する。  The present invention relates to an apparatus and a processing method for producing a reusable carbon-containing resin molding material by solidifying fine powder waste toner such as a copying machine or a printer.

従来の廃棄トナー処理方法はそのまま廃棄焼却するか、微粉状廃棄トナーを加熱・溶融・冷却の工程を経て固形化し燃料等に供される方法が考案されている。
特開２００３−２４１６０９号 As a conventional waste toner processing method, a method of incineration as it is, or a method in which fine powder waste toner is solidified through heating, melting, and cooling steps and used for fuel or the like has been devised.
JP 2003-241609 A

従来考案されている廃棄トナー処理方法は、微粉状の廃棄トナーをそのままの形態で処理しようとするために飛散などの周囲環境汚染等の弊害が発生する。さらにはその処理を行う装置についても、メカニカルな部分に対して微粉状トナーが付着・固着する等装置の稼働率の低下及び装置の短寿命化等の課題が発生する。又、固形化された廃棄トナーを燃料に供する考案がされているが、燃焼の際の有害ガスの発生等が課題として残されている。  Conventionally devised waste toner processing methods cause problems such as scattering of the surrounding environment, such as scattering, because fine powdery waste toner is to be processed as it is. Furthermore, the apparatus that performs the processing also has problems such as a decrease in the operation rate of the apparatus and a shortened life of the apparatus, such as adhesion and fixing of fine powder toner to the mechanical portion. Further, there has been devised to use solidified waste toner as fuel, but generation of harmful gas during combustion remains as a problem.

本発明は、廃棄トナーと一般的増粘剤を溶解させた水溶液であるケミカルコンパウンド（水）溶液を混練した状態で固形化処理工程に投入し、シート状又は棒状で取り扱うことができるようにした。  In the present invention, a chemical compound (water) solution, which is an aqueous solution in which waste toner and a general thickener are dissolved, is introduced into a solidification process in a kneaded state so that it can be handled in the form of a sheet or rod. .

さらに本発明は、廃棄トナーとケミカルコンパウンド（水）溶液の混練物をシート状又は棒状に成形・乾燥・冷却後小片に分割した状態で一旦取出し本乾燥・粉砕することによって、廃棄トナーを燃料としてではなくカーボン入り樹脂成形材料に再利用することができるようにした。  Furthermore, the present invention provides a waste toner as fuel by taking out a kneaded product of a waste toner and a chemical compound (water) solution into a sheet or rod shape, drying, cooling, and then taking out and drying and crushing into small pieces. Instead, it can be reused for carbon-containing resin molding materials.

微粉状の廃棄トナーに比べて固形化処理工程での取り扱いが容易で、従来の課題であった固形化処理装置へのトナーの付着・固着や飛散などの周囲環境汚染が解消され、固形化処理装置の長寿命化がもたらされる。又、廃棄トナーをシート状又は棒状に成形後帯状に平滑化し加熱乾燥・冷風冷却時間を短縮することによって生産性が向上する。  Compared to fine powder waste toner, it is easier to handle in the solidification process, and it eliminates contamination of the surrounding environment such as toner adhesion, sticking and scattering to the solidification processing equipment, which was a conventional problem, and solidification treatment Longer life of the device is brought about. Further, productivity can be improved by smoothing the waste toner into a strip shape after forming into a sheet shape or a rod shape and shortening the time for heating and drying and cooling with cold air.

廃棄トナーを再利用カーボン入り樹脂成形材料として樹脂成形メーカーに供給することが可能となり、有効な再資源化が実現される。  Waste toner can be supplied to a resin molding manufacturer as a carbon-containing resin molding material, and effective recycling is realized.

本発明の１実施例を図１から図９を用いて説明する。  An embodiment of the present invention will be described with reference to FIGS.

図１は実施例の全体工程図である。集荷され計量装置３、４で計量が行われた廃棄トナー１とケミカルコンパウンド（水）溶液２は混練装置５にて混練される。その後成形装置７（実施例は押出し成形機）にてシート状又は棒状に成形され、スタンパーユニット８で帯状に平滑化された後、分割溝形成部９で分割溝を形成し加熱乾燥部１０冷風冷却部１１によって固形化が行われる。固形化された廃棄トナー１８は分割ユニット１２でチョコブレークされ固形物１９の状態で落下し取出し部１３に収納される。小片の形状で収納された固形物１９は残留している水分を完全除去するために本乾燥炉１５に投入されて本格的に乾燥後、破砕装置１６によって再利用カーボン入り樹脂成形材料として出荷が可能な形状・寸法に破砕され梱包・出荷工程１７に送出される。  FIG. 1 is an overall process diagram of the embodiment. Waste toner 1 and chemical compound (water) solution 2 collected and weighed by weighing devices 3 and 4 are kneaded by kneading device 5. Thereafter, the sheet is formed into a sheet or rod shape by a molding apparatus 7 (an example is an extrusion molding machine), smoothed into a strip shape by a stamper unit 8, and then divided grooves are formed by a divided groove forming section 9, followed by heating and drying section 10 cold air Solidification is performed by the cooling unit 11. The solidified waste toner 18 is chocolate-breaked by the dividing unit 12 and dropped in the state of a solid material 19 and stored in the take-out portion 13. The solid material 19 stored in the form of small pieces is put into the main drying furnace 15 to completely remove the remaining water, and after being dried in earnest, it is shipped as a recycled carbon-containing resin molding material by the crushing device 16. It is crushed into possible shapes and dimensions and sent to the packing / shipping process 17.

次に前記各工程について詳細な説明を行う。図２は廃棄トナー１とケミカルコンパウンド（水）溶液２を混練装置５から成形装置７へカートリッジ６１にて投入する投入部６の工程とカートリッジの実施例断面を示す。廃棄トナー１と、あらかじめ水に一般的増粘剤を溶解させたケミカルコンパウンド（水）溶液２を計量装置３、４で計量後混練装置５に投入し混練する。この際の混練割合は重量比で廃棄トナー１．０に対してケミカルコンパウンド（水）溶液０．５〜０．９が実施例として最良な結果が得られている。この混練物をカートリッジ６１に充填し成形装置７の入口部に移動させ、空気圧シリンダー６２の押下によって成形装置７へ混練物の投入を行う。投入が終わり空になったカートリッジ６１は再び混練装置５の所定の位置に戻される。  Next, the above steps will be described in detail. FIG. 2 shows an embodiment of the cartridge and a step of the charging unit 6 for charging the waste toner 1 and the chemical compound (water) solution 2 from the kneading device 5 to the molding device 7 with the cartridge 61. Waste toner 1 and chemical compound (water) solution 2 in which a general thickener is dissolved in water in advance are weighed by metering devices 3 and 4 and then kneaded into kneading device 5. In this case, the kneading ratio is 0.5 to 0.9 in terms of the weight ratio of the chemical compound (water) solution to the waste toner 1.0. The kneaded material is filled in the cartridge 61 and moved to the inlet of the molding apparatus 7, and the kneaded material is charged into the molding apparatus 7 by pressing the pneumatic cylinder 62. The cartridge 61 which is empty after being charged is returned to a predetermined position of the kneading device 5 again.

ケミカルコンパウンド（水）溶液２に用いる一般的増粘剤は、グリセリン、（メチル）セルロース、デキストリン、スクロース、グルコース、グルカン、カラギーナン、ステアリン酸ポリエチレングリコールなどが用いられる。水に対する配合割合は０．１〜１０重量％の範囲内が望ましい。又、水は純水などの特別な処理を施したものを使用する必要がないのでコスト面での圧迫にも繋がらない。  Typical thickeners used for the chemical compound (water) solution 2 include glycerin, (methyl) cellulose, dextrin, sucrose, glucose, glucan, carrageenan, polyethylene glycol stearate and the like. The blending ratio with respect to water is preferably in the range of 0.1 to 10% by weight. Further, since it is not necessary to use water that has been subjected to special treatment such as pure water, it does not lead to cost pressure.

図３にシート成形装置７の断面図を示す。この実施例ではケミカルコンパウンド（水）溶液２と混練された廃棄トナー１が、回転モータ７１の駆動による成形スクリュー７２の押出し成形方式でシート状又は棒状に成形される。押出し成形される断面寸法はシート状で幅２００〜３００ｍｍ、厚さ５〜１０ｍｍ、棒状でφ５〜１０ｍｍの範囲内で調整が可能な装置となっている。又、本実施例では１時間あたり５０ｋｇｆ以上の押出し能力を確認している。図５、図６に成形装置７の出口部穴形状の一例７３、７４を示す。  FIG. 3 shows a cross-sectional view of the sheet forming apparatus 7. In this embodiment, the waste toner 1 kneaded with the chemical compound (water) solution 2 is formed into a sheet shape or a rod shape by the extrusion molding method of the forming screw 72 driven by the rotary motor 71. The cross-sectional dimension to be extruded is a sheet-like device having a width of 200 to 300 mm, a thickness of 5 to 10 mm, and a rod-like device that can be adjusted within a range of φ5 to 10 mm. Moreover, in the present Example, the extrusion capability of 50 kgf or more per hour is confirmed. FIGS. 5 and 6 show examples 73 and 74 of the shape of the outlet hole of the molding apparatus 7.

図４にスタンパーユニット８から取出し部１３までの一連の工程を示す。成形装置７によってシート状又は棒状に成形された後、ベルトコンベア１４上でスタンパーユニット８によって帯状に平滑化される。さらに分割溝形成部９によって分割溝が形成される。本実施例では加熱乾燥部１０の入口部に、直交する２方向のＶ字形状溝を形成する分割溝形成部９を装備している。ベルトコンベア１４の流れ方向の溝は、いわゆる櫛状の先端形状を有する固定板９１によって連続形成される。又、ベルトコンベア１４の流れと直角方向の分割溝は、小型モータの回転運動を利用したリンク機構を有する分割溝形成部９に連結された可動板９２で間歇的に一定ピッチで形成される。固定板９１のＶ字形状加工ピッチと小型モータの回転速度を可変することによってそれぞれの方向の分割溝ピッチ寸法が設定できる。図７に固定板９１の正面図及び側面図を示す。又、図８には可動板９２の正面図及び側面図を示す。さらに図９に固定板９１でベルトコンベア１４の流れ方向に分割溝が形成された帯状廃棄トナーの断面を示す。  FIG. 4 shows a series of steps from the stamper unit 8 to the take-out portion 13. After being formed into a sheet shape or a rod shape by the forming device 7, it is smoothed into a belt shape by the stamper unit 8 on the belt conveyor 14. Further, the division groove is formed by the division groove forming portion 9. In the present embodiment, the inlet portion of the heating and drying unit 10 is equipped with a split groove forming portion 9 that forms V-shaped grooves in two orthogonal directions. The grooves in the flow direction of the belt conveyor 14 are continuously formed by a fixing plate 91 having a so-called comb-like tip shape. Further, the dividing grooves perpendicular to the flow of the belt conveyor 14 are formed at a constant pitch by a movable plate 92 connected to the dividing groove forming portion 9 having a link mechanism using the rotational motion of a small motor. By changing the V-shaped machining pitch of the fixed plate 91 and the rotation speed of the small motor, the division groove pitch dimension in each direction can be set. FIG. 7 shows a front view and a side view of the fixing plate 91. FIG. 8 shows a front view and a side view of the movable plate 92. Further, FIG. 9 shows a cross section of the belt-shaped waste toner in which the dividing grooves are formed in the flow direction of the belt conveyor 14 by the fixing plate 91.

分割溝が形成された帯状の廃棄トナーはベルトコンベア１４によって加熱乾燥部１０・冷風冷却部１１に搬送される。本実施例では遠赤外線ヒータによる加熱乾燥温度２５０〜３００℃、加熱乾燥時間１０〜２０分の加熱乾燥後冷風冷却を行い、加熱乾燥部１０・冷風冷却部１１の後に配置された分割ユニット１２で押下されチョコブレークされた固形物１９が取出し部１３に収納される。  The belt-shaped waste toner in which the dividing grooves are formed is conveyed by the belt conveyor 14 to the heating / drying unit 10 and the cold air cooling unit 11. In the present embodiment, the cold air cooling is performed after the heat drying temperature of 250 to 300 ° C. and the heat drying time of 10 to 20 minutes by the far infrared heater, and the divided unit 12 arranged after the heat drying unit 10 and the cold air cooling unit 11 is used. The solid material 19 that has been pressed and chocolate-breaked is stored in the take-out portion 13.

固形物１９に残留するケミカルコンパウンド（水）溶液２の水分の完全除去をこのベルトコンベア１４上で行おうとするとコンベアの長さを長くする必要があり、生産工程としてのレイアウト上合理的でないために、水分の完全除去は本乾燥炉１５で単独に行う方式を選択した。  If the chemical compound (water) solution 2 remaining on the solid material 19 is completely removed from the water on the belt conveyor 14, it is necessary to increase the length of the conveyor, which is not rational in terms of layout as a production process. The method of performing the complete removal of water independently in the main drying furnace 15 was selected.

固形物１９を本乾燥炉１５で１００〜２００℃、１〜２時間本乾燥し固形物１９の水分除去を完全に行う。その後粉砕装置１６にて２〜４ｍｍ角程度のサイズに粉砕し再利用カーボン入り樹脂成形材料として梱包・出荷工程１７に送出する。  The solid material 19 is completely dried in the main drying furnace 15 at 100 to 200 ° C. for 1 to 2 hours to completely remove water from the solid material 19. Thereafter, it is pulverized to a size of about 2 to 4 mm square by the pulverizer 16 and sent to the packing / shipping process 17 as a resin molding material containing carbon.

本発明の実施形態に係る廃棄トナー固形化処理工程の全体図である。  It is a whole figure of the waste toner solidification processing process concerning the embodiment of the present invention. 本発明に係る廃棄トナーとケミカルコンパウンド（水）溶液の混練装置から成形装置へ投入するまでの工程図である。  FIG. 3 is a process diagram from the waste toner and chemical compound (water) solution kneading apparatus to the molding apparatus according to the present invention. 本発明に係る成形装置の内部構造断面図である。  It is internal structure sectional drawing of the shaping | molding apparatus which concerns on this invention. 本発明に係る成形後のスタンパーユニットから取出し部までの一連の工程図である。  It is a series of process drawings from a stamper unit after molding according to the present invention to an extraction portion. 本発明に係るシート状成形時の成形装置出口部穴形状である。  It is a shaping | molding apparatus exit part hole shape at the time of the sheet-like shaping | molding which concerns on this invention. 本発明に係る棒状成形時の成形装置出口部穴形状である。  It is a shaping | molding apparatus exit part hole shape at the time of the rod-shaped shaping | molding which concerns on this invention. 図４の中の分割溝形成部固定板９１の正面図及び側面図である。  It is the front view and side view of the division groove formation part fixing plate 91 in FIG. 図４の中の分割溝形成部可動板９２の正面図及び側面図である。  It is the front view and side view of the division groove formation part movable plate 92 in FIG. 図４の中の分割溝形成部固定板９１及び可動板９２で分割溝が形成された帯状廃棄トナー１８の正面図、平面図、側面図である。  FIG. 5 is a front view, a plan view, and a side view of a belt-like waste toner 18 in which a divided groove is formed by a divided groove forming portion fixing plate 91 and a movable plate 92 in FIG. 4.

符号の説明Explanation of symbols

１ 廃棄トナー
２ ケミカルコンパウンド（水）溶液
３ 計量装置
４ 計量装置
５ 混練装置
６ 投入部
７ 成形装置
８ スタンパーユニット
９ 分割溝形成部
１０ 加熱乾燥部
１１ 冷風冷却部
１２ 分割ユニット
１３ 取出し部
１４ ベルトコンベア
１５ 本乾燥炉
１６ 粉砕装置
１７ 梱包・出荷
１８ 帯状廃棄トナー（分割溝形成後）DESCRIPTION OF SYMBOLS 1 Waste toner 2 Chemical compound (water) solution 3 Weighing device 4 Weighing device 5 Kneading device 6 Input part 7 Molding device 8 Stamper unit 9 Dividing groove forming part 10 Heating and drying part 11 Cooling air cooling part 12 Dividing unit 13 Extracting part 14 Belt conveyor 15 Drying oven 16 Crushing device 17 Packing / shipping 18 Stripped waste toner (after dividing groove formation)

Claims (1)

廃棄トナーとケミカルコンパウンド（水）溶液を混練する工程と、このケミカルコンパウンド（水）溶液と混練された廃棄トナーを投入しシート状又は棒状に成形する工程と、この成形された廃棄トナーをスタンピング・分割溝形成・加熱乾燥・冷風冷却・分割して取出しする工程と、取出された廃棄トナー固形物を本乾燥・粉砕・梱包・出荷する工程を有することを特徴とする一連の廃棄トナー再利用カーボン入り樹脂成形材料製造装置A step of kneading the waste toner and the chemical compound (water) solution, a step of adding the waste toner kneaded with the chemical compound (water) solution and molding the waste toner into a sheet shape or a rod shape, and stamping the formed waste toner A series of waste toner reusable carbons having a process of forming divided grooves, heating and drying, cooling with cold air, dividing and taking out, and a step of completely drying, crushing, packing and shipping the taken out solid waste toner Resin molding material manufacturing equipment
JP2004382982A 2004-12-29 2004-12-29 Waste toner solidification and reuse carbon resin-molding material manufacturing equipment Expired - Fee Related JP4605367B2 (en)

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