JP2023097491A - Organic matter treatment material heat decomposition processing device and organic matter treatment material putting device - Google Patents

Organic matter treatment material heat decomposition processing device and organic matter treatment material putting device Download PDF

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JP2023097491A
JP2023097491A JP2021213630A JP2021213630A JP2023097491A JP 2023097491 A JP2023097491 A JP 2023097491A JP 2021213630 A JP2021213630 A JP 2021213630A JP 2021213630 A JP2021213630 A JP 2021213630A JP 2023097491 A JP2023097491 A JP 2023097491A
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organic matter
treatment material
matter treatment
screw feeder
pulverizing
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賢三 高橋
Kenzo Takahashi
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Abstract

To provide a putting device for supplying an organic matter treatment material to a plastic heat decomposition device directly, without compressing and solidifying the organic matter treatment material.SOLUTION: An organic matter treatment material putting device comprises: a storage part storing an organic matter treatment material; a pulverizing part provided below the storage part for pulverizing the organic matter treatment material which is put from the storage part; and a supply part provided below the pulverizing part for supplying the organic matter treatment material which is pulverized by the pulverizing part to a heat decomposition device. The pulverizing part has an inert gas injection hole, and the supply part comprises: a transfer part which is formed of a screw feeder where spiral blades are provided on a peripheral face of a rotary shaft which is coaxially supported by a drive mechanism; and a compression/transfer part which has a compression drum into which the screw feeder is inserted, and a sheath tube into which the compression drum is interposed. A pitch of the spiral blades of the screw feeder is gradually reduced to a transfer direction side. The compression drum has a plurality of gas release holes, and the sheath tube has a liquid discharge hole.SELECTED DRAWING: Figure 1

Description

本願発明は、廃プラスチック等の有機物処理材を熱分解して分解ガスを油化する有機物処理材熱分解処理装置に用いる有機物処理材の投入装置に関する。 TECHNICAL FIELD The present invention relates to a loading device for an organic substance treating material used in an organic substance treating material thermal decomposition apparatus for thermally decomposing an organic matter treating material such as waste plastic and converting the cracked gas into oil.

廃プラスチック等の可燃性有機物処理材をそのまま焼却処理や埋め立て処理をすると、省資源、環境汚染の観点から好ましくないため、可燃性有機物処理材を熱分解処理して油化することにより再利用する熱分解装置が開発されている。
特許文献１には、プラスチック廃棄物を粉砕、分離、分別後、脱塩素化処理を行うプラスチック廃棄物の処理方法が開示されている。
特許文献２には、連続式熱分解炉の入口に開閉が容易な遮断弁を設け、それに直結した与圧室を配し、熱分解炉の液面が低下した場合、自動的に有機物処理材ブロックを与圧室内に取り込み、与圧室内の空気を窒素ガスにより排除して熱分解炉と同じにしてから遮断弁を開き、熱分解炉に投入する連続キルン型有機物処理材熱分解装置が開示されている。 Incineration or landfill disposal of combustible organic matter treatment materials such as waste plastics is undesirable from the viewpoint of resource saving and environmental pollution. Pyrolyzers have been developed.
Patent Literature 1 discloses a method for treating plastic waste in which plastic waste is pulverized, separated, sorted, and then dechlorinated.
In Patent Document 2, a shut-off valve that can be easily opened and closed is provided at the entrance of a continuous pyrolysis furnace, and a pressurized chamber is directly connected to it. Disclosed is a continuous kiln type organic matter treatment material thermal decomposition apparatus in which a block is taken into a pressurized chamber, the air in the pressurized chamber is removed with nitrogen gas, and the block is made the same as the thermal decomposition furnace, then the shutoff valve is opened and the block is put into the thermal decomposition furnace. It is

特許文献３には、廃プラスチック等の有機物処理材料を熱分解炉に投入して熱分解処理し、熱分解ガスと残渣とを生成する熱分解処理装置であって、内部にスクリューフィーダーを設け、スクリューフィーダーの一端が熱分解炉を貫通して内部に突出する材料投入装置が開示されている。しかしながら、投入される廃プラスチックは、嵩密度を高める必要があり、造粒処理、圧縮処理などを行う必要があった。 Patent Document 3 discloses a pyrolysis treatment apparatus that puts organic matter treatment materials such as waste plastics into a pyrolysis furnace and pyrolyzes them to generate pyrolysis gas and residue, in which a screw feeder is provided inside, A material charging device is disclosed in which one end of a screw feeder protrudes inside through a pyrolysis furnace. However, it is necessary to increase the bulk density of the introduced waste plastic, and it is necessary to perform granulation processing, compression processing, and the like.

特開平１１－３２３００２号公報JP-A-11-323002 特開２０１９－１２７５７８号公報JP 2019-127578 A 特開２００７－３３２２２２５号公報Japanese Patent Application Laid-Open No. 2007-3322225

本願発明は、廃プラスチック等の有機物処理材を圧縮固化することなく、直接、熱分解装置に供給できる投入装置を提供することにある。 It is an object of the present invention to provide a feeding device capable of directly supplying a material for treating organic matter such as waste plastics to a thermal decomposition apparatus without compressing and solidifying the material.

本願発明の課題は、以下の態様（１）乃至（４）により解決できる。具体的には、 The problems of the present invention can be solved by the following aspects (1) to (4). in particular,

（態様１） 有機物処理材を貯留する貯留部と、前記貯留部の下方に配置され前記貯留部から投入された有機物処理材を粉砕する粉砕部と、前記粉砕部の下方に配置され前記粉砕部で粉砕された有機物処理材を熱分解装置に供給する供給部と、からなる有機物処理材投入装置であって、前記粉砕部は、不活性ガス注入口を備え、前記供給部は、駆動機構により同心的に軸支される回転軸の外周面に螺旋翼を配設したスクリューフィーダーで構成される移送部と、前記スクリューフィーダー、前記スクリューフィーダーを挿設する圧縮胴及び前記圧縮胴を挿設する鞘管で構成される圧縮移送部とからなることを特徴とする有機物処理材投入装置である。 (Aspect 1) A storage section for storing the organic matter processing material, a pulverizing section arranged below the storage section for pulverizing the organic matter processing material introduced from the storage section, and the pulverizing section arranged below the pulverizing section. and a supply unit for supplying the organic material processing material pulverized by the above to the thermal decomposition device, wherein the pulverization unit has an inert gas inlet, and the supply unit is driven by a drive mechanism. A transfer section composed of a screw feeder having a helical blade provided on the outer peripheral surface of a rotating shaft concentrically supported, the screw feeder, a compression cylinder in which the screw feeder is inserted and the compression cylinder are inserted It is characterized by comprising a compressing/transporting section composed of a sheath tube.

（態様２） 前記スクリューフィーダーの螺旋翼のピッチが移送方向側に向けて漸減していることを特徴とする態様１に記載する有機物処理材投入装置である。 (Aspect 2) The organic matter treatment material feeding device according to Aspect 1, wherein the pitch of the helical blades of the screw feeder gradually decreases toward the feeding direction.

（態様３） 前記圧縮胴は、複数のガス抜き孔を有することを特徴とする態様１または態様２のいずれかに記載する有機物処理材投入装置である。 (Aspect 3) The apparatus for charging organic matter treatment material according to aspect 1 or aspect 2, wherein the compression barrel has a plurality of gas vent holes.

（態様４） 前記鞘管は、排液口を有することを特徴とする態様１乃至態様３のいずれかに記載する有機物処理材投入装置である。 (Aspect 4) The organic substance processing material input device according to any one of aspects 1 to 3, wherein the sheath pipe has a drainage port.

本願発明によれば、 According to the present invention,

本願発明の有機物処理材投入装置の構成を示す側面図である。1 is a side view showing the configuration of an organic matter processing material feeding device of the present invention; FIG. 本願発明の有機物処理材投入装置のＡ－Ａ断面図である。1 is a cross-sectional view taken along the line AA of the device for introducing an organic matter processing material according to the present invention; FIG. 本願発明の有機物処理材投入装置の圧縮移送部を示す側面図である。FIG. 2 is a side view showing a compressing/transporting section of the device for introducing organic matter processing material according to the present invention; 本願発明の有機物処理材投入装置の圧縮移送部のＡ－Ａ断面図である。It is an AA cross-sectional view of the compressing transfer section of the device for introducing organic matter processing material of the present invention.

本願発明を実施するための形態を図１～図４に基づいて説明する。ただし、図１～図４は実施形態の一例であり、これに限定されるものではない。 A mode for carrying out the present invention will be described with reference to FIGS. 1 to 4. FIG. However, FIGS. 1 to 4 are examples of embodiments, and the present invention is not limited to these.

（１）有機物処理材投入装置の構成
図１は、本願発明の有機物処理材投入装置の構成を示す側面図であり、図２は、本願発明の有機物処理材投入装置のＡ－Ａを示す断面図である。有機物処理材は、大気圧以上（１００～２００ｍｍＨ2Ｏ）の熱分解装置２００へ圧縮移送される。
本願発明の有機物処理材投入装置１００は、有機物処理材を貯留して、下方に配置された粉砕部２０に必要に応じて有機物処理材を供給する貯留部１０と、貯留部１０の下方に配置され貯留部１０から投入された有機物処理材を粉砕する粉砕部２０と、粉砕部２０の下方に配置され粉砕部２０で粉砕された有機物処理材を圧縮して有機物処理材熱分解装置２００に供給する移送部３０及び圧縮移送部４０で構成される供給部とからなる。 (1) Configuration of device for charging organic matter processing material FIG. 1 is a side view showing the configuration of the device for charging organic matter processing material according to the present invention, and FIG. It is a diagram. The organic matter treatment material is compressed and transferred to the thermal decomposition device 200 at a pressure higher than atmospheric pressure (100-200 mmH 2 O).
The organic matter processing material input device 100 of the present invention is arranged below the storage portion 10 which stores the organic matter processing material and supplies the organic matter processing material to the pulverization portion 20 arranged below as needed. A pulverizing unit 20 for pulverizing the organic material processing material input from the storage unit 10 , and a pulverizing unit 20 arranged below the pulverizing unit 20 to compress the organic material processing material pulverized by the pulverizing unit 20 and supply it to the organic material processing material thermal decomposition device 200 . and a supply unit composed of a transfer unit 30 and a compression transfer unit 40 .

本願発明の有機物処理材投入装置１００は、回転式熱分解槽１と回転式熱分解槽１を内包する加熱炉２で構成される熱分解装置２００と回転接手３及び支持台８に固定された回転接手係止フランジ４を介して接続される。
回転接手３は、回転式熱分解槽１の軸方向の熱膨張を吸収する機能を有する。このため、回転接手係止フランジ４は、支持台８に固定され、回転接手３の圧縮に伴う反力と内圧に対する抗力を備える。
以下、本願発明の有機物処理材投入装置１００について、貯留部１０、粉砕部２０、供給部３０、圧縮供給部４０の順で説明する。 The device 100 for loading organic matter processing material of the present invention is fixed to a pyrolysis device 200 composed of a rotary pyrolysis tank 1 and a heating furnace 2 containing the rotary pyrolysis tank 1, a rotary joint 3, and a support base 8. The connection is made via a rotary joint locking flange 4 .
The rotary joint 3 has a function of absorbing thermal expansion in the axial direction of the rotary pyrolysis tank 1 . Therefore, the rotary joint locking flange 4 is fixed to the support base 8 and has a reaction force accompanying compression of the rotary joint 3 and a resistance force against the internal pressure.
Hereinafter, the storage section 10, the pulverization section 20, the supply section 30, and the compression supply section 40 of the device 100 for feeding organic matter processing material of the present invention will be described in this order.

（２）貯留部
本願発明の貯留部１０は、熱分解装置２００で熱分解する有機物処理材を一時貯留して、必要な有機物処理材を下方の粉砕部２０へ供給する役割を担う。漏斗状の形状で下部に掃き出し口１１がある。掃き出し口１１の開閉は、回転式熱分解槽１の液面センサー（図示せず。）が計測する溶融した有機物処理材の液面により制御される。 (2) Reservoir The reservoir 10 of the present invention serves to temporarily store the organic matter treatment material to be thermally decomposed in the pyrolysis device 200 and supply the required organic matter treatment material to the pulverization part 20 below. It has a funnel-like shape and has a discharge port 11 at the bottom. The opening and closing of the discharge port 11 is controlled by the liquid level of the molten organic treatment material measured by a liquid level sensor (not shown) of the rotary pyrolysis tank 1 .

（３）粉砕部
本願発明の粉砕部２０は、貯留部１０から供給される有機物処理材を粉砕し、混合する役割を担う。粉砕混合手段としては、２軸式パドルミキサー２３を用いることができる。また、粉砕部２０は、不活性ガス注入口２１を備え、不活性ガス注入口２１から不活性ガス（例、窒素、アルゴン）が注入され、有機物処理材の粉砕混合を不活性ガス下で行うとともに、供給部を不活性ガスで満たす。不活性ガス注入量は、供給部３０に設けたガス分析計２２が計測した酸素濃度により制御される。これは、熱分解装置２００での酸素による爆燃を防ぐためである。なお、不活性ガスは不活性ガス注入口２１から供給される。 (3) Pulverizing Section The pulverizing section 20 of the present invention plays a role of pulverizing and mixing the organic substance processing material supplied from the storage section 10 . A twin-screw paddle mixer 23 can be used as a pulverizing and mixing means. Further, the pulverizing unit 20 is provided with an inert gas inlet 21, and an inert gas (eg, nitrogen, argon) is injected from the inert gas inlet 21 to perform pulverization and mixing of the organic matter treatment material under the inert gas. At the same time, the feed section is filled with an inert gas. The inert gas injection amount is controlled by the oxygen concentration measured by the gas analyzer 22 provided in the supply section 30 . This is to prevent deflagration due to oxygen in the pyrolyzer 200 . In addition, the inert gas is supplied from the inert gas inlet 21 .

（４）供給部
本願発明の供給部は、駆動機構３１により同心的に軸支される回転軸３２の外周面に螺旋翼３３を配設したスクリューフィーダー３４で構成される移送部３０と、スクリューフィーダー３４とスクリューフィーダー３４を挿設する圧縮胴４１及び圧縮胴４１を挿設する鞘管４２で構成される圧縮移送部４０とからなる。なお、本願発明の供給部を構成するスクリューフィーダー３４は、螺旋翼３３のピッチが移送方向側に向けて漸減している。
図３は、本願発明の有機物処理材投入装置の圧縮移送部を示す側面図であり、図４は、本願発明の有機物処理材投入装置の圧縮移送部のＡ－Ａ断面を示す断面図である。 (4) Supply Unit The supply unit of the present invention includes a transfer unit 30 composed of a screw feeder 34 having a spiral blade 33 disposed on the outer peripheral surface of a rotating shaft 32 concentrically supported by a drive mechanism 31, and a screw It is composed of a feeder 34, a compression transfer section 40 composed of a compression drum 41 in which the screw feeder 34 is inserted, and a sheath tube 42 in which the compression drum 41 is inserted. In the screw feeder 34 that constitutes the feeding section of the present invention, the pitch of the helical blades 33 gradually decreases toward the transfer direction.
FIG. 3 is a side view showing the compressing/transporting part of the device for introducing organic matter treating material of the present invention, and FIG. 4 is a sectional view showing the AA cross section of the compressing/transferring portion of the device for introducing organic matter treating material of the present invention. .

（４－１）移送部
本願発明の移送部３０は、スクリューフィーダー３４で構成され、螺旋翼３３に載置された破砕有機物処理材が圧縮移送部４０へ逐次移送される。 (4-1) Transfer Section The transfer section 30 of the present invention is composed of a screw feeder 34, and the crushed organic matter processing material placed on the spiral blade 33 is transferred to the compression transfer section 40 successively.

（４－２）圧縮移送部
本願発明の圧縮式移送部４０は、スクリューフィーダー３４を挿設する圧縮胴４１及び圧縮胴４１を挿設する鞘管４２で構成される。スクリューフィーダー３４は、圧縮胴４１に挿設され、螺旋翼３３のピッチを漸減させることで、圧縮胴４１とスクリューフィーダー３４の作用により有機物処理材は圧縮されながら回転式熱分解槽１に移送される。螺旋翼３３及び圧縮胴４１の表面は、平滑化処理されて滑らかに仕上げられている。有機物処理材の圧縮率はスクリューフィーダー３４の回転数を制御することで適宜最適化できる。圧縮胴４１は、複数のガス抜き孔４３を周面に穿ってある。ガス抜き孔４３は、有機物処理材の圧縮移送で生じたガスを放出して、生成したガスが熱分解槽１に移送されない役割を担う。生成したガスは、鞘管４２に設けたガス抜き口４５から移送部３０へ排気される。また、ガス凝縮により生じた水分等は、鞘管４２に設けた排出口４４から排出される。圧縮胴４１は、耐熱鋼（例、ステンレス鋼）で、鞘管４２は炭素鋼で製作する。 (4-2) Compression transfer section The compression transfer section 40 of the present invention is composed of a compression barrel 41 in which the screw feeder 34 is inserted and a sheath tube 42 in which the compression barrel 41 is inserted. The screw feeder 34 is inserted into the compression drum 41, and by gradually decreasing the pitch of the spiral blades 33, the organic matter treatment material is transferred to the rotary pyrolysis tank 1 while being compressed by the action of the compression drum 41 and the screw feeder 34. be. The surfaces of the helical blade 33 and the compression barrel 41 are smoothed and finished smoothly. The compressibility of the organic treatment material can be appropriately optimized by controlling the rotation speed of the screw feeder 34 . The compression barrel 41 has a plurality of gas vent holes 43 drilled in its peripheral surface. The gas vent hole 43 plays a role of releasing the gas generated by compressing and transferring the organic matter treatment material and preventing the generated gas from being transferred to the thermal decomposition tank 1 . The generated gas is exhausted to the transfer section 30 through a gas vent 45 provided in the sheath pipe 42 . Moisture or the like generated by gas condensation is discharged from a discharge port 44 provided in the sheath pipe 42 . The compression barrel 41 is made of heat-resistant steel (eg, stainless steel), and the sleeve tube 42 is made of carbon steel.

本願発明により、有機物処理材を熱分解して分解ガスを油化する有機物処理材熱分解装置に用いる有機物処理材投入装置を提供できる。 INDUSTRIAL APPLICABILITY According to the present invention, it is possible to provide an organic treatment material input device for use in an organic treatment material thermal decomposition apparatus that thermally decomposes an organic treatment material and converts cracked gas into oil.

１００ 有機物処理材投入装置
２００ 有機物処理材熱分解装置
１ 熱分解槽
２ 加熱炉
３ 回転接手
４ 回転接手係止フランジ
５ 渦巻型フィン
６ 圧縮胴取り付けフランジ
７ 保温カバー
１０ 貯留部
１１ 掃き出し口
１２ ローラー
１３ ローラー支持台
２０ 粉砕部
２１ 不活性ガス注入口
２２ ガス分析計端子
２３ ２軸式パドルミキサー
３０ 移送部
３１ 駆動機構
３２ 回転軸
３３ 螺旋翼
３４ スクリューフィーダー
３５ ガス分析計ノズル
４０ 圧縮移送部
４１ 圧縮胴
４２ 鞘管
４３ ガス抜き孔
４４ 排出口
４５ ガス抜き口 REFERENCE SIGNS LIST 100 organic matter treatment material input device 200 organic matter treatment material thermal decomposition device 1 pyrolysis tank 2 heating furnace 3 rotary joint 4 rotary joint locking flange 5 spiral fin 6 compression cylinder mounting flange 7 heat insulating cover 10 reservoir 11 discharge port 12 roller 13 Roller support 20 Crushing unit 21 Inert gas inlet 22 Gas analyzer terminal 23 Twin-shaft paddle mixer 30 Transfer unit 31 Drive mechanism 32 Rotating shaft 33 Spiral blade 34 Screw feeder 35 Gas analyzer nozzle 40 Compression transfer unit 41 Compression cylinder 42 sheath tube 43 gas vent hole 44 outlet 45 gas vent

Claims (4)

有機物処理材を貯留する貯留部と、
前記貯留部の下方に配置され前記貯留部から投入された有機物処理材を粉砕する粉砕部と、
前記粉砕部の下方に配置され前記粉砕部で粉砕された有機物処理材を熱分解装置に供給する供給部と、
からなる有機物処理材投入装置であって、
前記粉砕部は、不活性ガス注入口を備え、
前記供給部は、駆動機構により同心的に軸支される回転軸の外周面に螺旋翼を配設したスクリューフィーダーで構成される移送部と、前記スクリューフィーダー、前記スクリューフィーダーを挿設する圧縮胴及び前記圧縮胴を挿設する鞘管で構成される圧縮移送部とからなることを特徴とする有機物処理材投入装置。 a reservoir for storing the organic substance treatment material;
a pulverizing unit disposed below the storage unit for pulverizing the organic matter treatment material introduced from the storage unit;
a supply unit disposed below the crushing unit for supplying the organic matter treatment material crushed by the crushing unit to a thermal decomposition device;
An organic matter processing material input device consisting of
The crushing unit has an inert gas inlet,
The supply unit includes a transfer unit composed of a screw feeder having a helical blade on the outer peripheral surface of a rotating shaft concentrically supported by a drive mechanism, and a compression cylinder in which the screw feeder and the screw feeder are inserted. and a compressing/transporting section composed of a sheath tube into which the compressing cylinder is inserted. 前記スクリューフィーダーの螺旋翼のピッチが移送方向側に向けて漸減していることを特徴とする請求項１に記載する有機物処理材投入装置。 2. The apparatus for feeding organic matter treatment material according to claim 1, wherein the pitch of the helical blades of said screw feeder gradually decreases toward the feeding direction side. 前記圧縮胴は、複数のガス抜き孔を有することを特徴とする請求項１または請求項２のいずれかに記載する有機物処理材投入装置。 3. The organic matter processing material charging device according to claim 1, wherein said compression drum has a plurality of gas vent holes. 前記鞘管は、排液口を有することを特徴とする請求項１乃至請求項３のいずれかに記載する有機物処理材投入装置。 4. The organic matter processing material charging device according to claim 1, wherein said sheath tube has a drainage port.
JP2021213630A 2021-12-28 2021-12-28 Organic matter treatment material heat decomposition processing device and organic matter treatment material putting device Pending JP2023097491A (en)

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