JP3193772U - Powder collection device for granular materials - Google Patents

Powder collection device for granular materials Download PDF

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JP3193772U
JP3193772U JP2014003581U JP2014003581U JP3193772U JP 3193772 U JP3193772 U JP 3193772U JP 2014003581 U JP2014003581 U JP 2014003581U JP 2014003581 U JP2014003581 U JP 2014003581U JP 3193772 U JP3193772 U JP 3193772U
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flow
hopper
granular material
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discharge control
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嶋津秀樹
岩谷修二
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Matsui Manufacturing Co Ltd
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Abstract

【課題】流動捕集ホッパ内壁面への粉粒体材料の付着を抑制し、形状や質量等の違いによるロート状の容器から排出する際に発生する分離現象である分級をしないようにすること、更に材料が変わるとき容易に清掃できる構造にする装置を提供する。【解決手段】下部に空気輸送される粉粒体材料を受け入れる導入口１６を設け、上端部に空気吸引口８と、輸送空気から粉粒体材料を分離させる分離部７と、下端部に粉粒体材料を排出する排出口１２とを設け、流動ホッパ上部２が略円筒形状とされ、流動ホッパ下部３が略逆円錐筒形状とされた流動ホッパ４を備え、上部に円錐形状をした、下部に逆円錐形状をしたものを合わせ一体としたものが、ホッパ壁面との空隙を得るための支持部材５で構成されている排出制御部材６を、前記流動捕集装置内の前記流動ホッパ下部の略逆円錐筒形状付近に設置することを特徴とする、粉粒体材料の流動捕集装置。【選択図】図１An object of the present invention is to prevent adhesion of particulate material to the inner wall surface of a flow collection hopper so as not to perform classification, which is a separation phenomenon that occurs when discharging from a funnel-like container due to differences in shape, mass, etc. In addition, an apparatus is provided that can be easily cleaned when the material changes. An inlet 16 for receiving a granular material to be pneumatically transported is provided at a lower portion, an air suction port 8 at an upper end portion, a separation portion 7 for separating the granular material from transport air, and a powder at a lower end portion. Provided with a discharge port 12 for discharging the particulate material, the flow hopper upper part 2 is provided with a substantially cylindrical shape, the flow hopper lower part 3 is provided with a flow hopper 4 having a substantially inverted conical cylinder shape, and the upper part has a conical shape. The one integrated with an inverted conical shape in the lower part is a discharge control member 6 composed of a support member 5 for obtaining a gap with the hopper wall surface, and the lower part of the flow hopper in the flow collecting device. It is installed in the vicinity of the substantially inverted conical cylindrical shape of the powder material flow collecting apparatus. [Selection] Figure 1

Description

本発明は、輸送元から空気輸送される粉粒体材料を捕集する粉粒体材料の捕集装置に関する。 The present invention relates to a particulate material collecting apparatus for collecting particulate material that is pneumatically transported from a transportation source.

従来より、下部に空気輸送される粉粒体材料を受け入れる導入口を設け、上端部に輸送空気から粉粒体材料を分離させる分離部を設け、下端部に粉粒体材料を排出する排出口を設けた捕集ホッパが知られている。このような捕集ホッパは、空気輸送された粉粒体材料を気流作用により捕集ホッパ内において流動（攪拌・拡散）させることで、粉粒体材料から微粉や塵埃等を分離部で分離させたり、空気輸送された複数種の粉粒体材料を捕集ホッパ内において混合したりすることであった。 Conventionally, an inlet for receiving the granular material that is pneumatically transported is provided at the bottom, a separation unit that separates the granular material from the transported air is provided at the upper end, and an outlet that discharges the granular material at the lower end A collection hopper equipped with is known. Such a collection hopper separates fine powder, dust, etc. from the granular material by separating it by flowing (stirring and diffusing) the pneumatically transported granular material in the collection hopper by airflow action. Or a plurality of types of granular materials that have been pneumatically transported are mixed in a collection hopper.

しかしながら、上記のような捕集ホッパにおいては、気流作用により流動する粉粒体材料同士の摩擦や粉粒体材料と捕集ホッパ内壁面との摩擦により粉粒体材料が帯電し易いという問題があった。そのため、粉粒体材料が捕集ホッパの内壁面に静電気によって付着し、排出される際に下端部の排出口に向けてスムーズに流下しないことがあり、粉粒体材料の流動捕集装置は、下部に空気輸送される粉粒体材料を受け入れる導入口を設け、上端部に輸送空気から粉粒体材料を分離させる分離部を設け、下端部に粉粒体材料を排出する排出口を設けた捕集ホッパを備えた粉粒体材料の捕集装置であって、前記捕集ホッパ内には、当該捕集ホッパ内の平面視における中心部から外方側に向けて放射状に突出するとともに略上下方向に延びる形状とされた導電性材料からなる複数のフィンが設けられ、且つこれら複数のフィンが接地されることを特徴とした装置が発明された。 However, in the collection hopper as described above, there is a problem that the powder material is easily charged due to friction between the powder material flowing by the airflow action and friction between the powder material and the inner wall surface of the collection hopper. there were. Therefore, the powder material adheres to the inner wall surface of the collection hopper due to static electricity, and when discharged, it may not flow smoothly toward the discharge port at the lower end. The lower part is provided with an inlet for receiving air-carrying granular material, the upper part is provided with a separation part for separating the granular material from the transportation air, and the lower part is provided with an outlet for discharging the granular material. In the collection hopper, the collection hopper is provided with a collection hopper, and projects radially outward from a central portion in a plan view of the collection hopper. An apparatus has been invented in which a plurality of fins made of a conductive material having a shape extending substantially in the vertical direction are provided, and the plurality of fins are grounded.

しかしこの発明によると、上下方向に設置するフィンが接地される必要があり、装置として複雑になり、且つ清掃が困難となる。更に混合材料を排出する際、フィンにより混合材料の流出様態が複雑になり、混合した材料が分級され排出されることが発生した。   However, according to the present invention, the fins installed in the vertical direction need to be grounded, which makes the apparatus complicated and difficult to clean. Further, when the mixed material is discharged, the outflow mode of the mixed material is complicated by the fins, and the mixed material is classified and discharged.

特開２０１３−８１９１７JP2013-81917A

本考案は、上記実状に鑑みなされたものであり、流動捕集ホッパ内壁面への粉粒体材料の付着を抑制し、形状や質量の違いによるロート状の容器から排出する際に発生する分離現象である分級をしないようにすること、更に材料が変わるとき容易に清掃できる構造にすることを目的としている。   The present invention has been made in view of the above-described actual situation, and suppresses the adhesion of the particulate material to the inner wall surface of the flow collection hopper, and the separation that occurs when discharging from the funnel-shaped container due to the difference in shape and mass. The purpose is to prevent classification, which is a phenomenon, and to make the structure easy to clean when the material changes.

前記目的を達成するために、本発明に係る粉粒体材料の流動捕集装置は、下部に空気輸送される粉粒体材料を受け入れる導入口を設け、上端部に空気吸引口と、輸送空気から粉粒体材料を分離させる分離部と、下端部に粉粒体材料を排出する排出口とを設け、流動ホッパ上部が略円筒形状とされ、流動ホッパ下部が略逆円錐筒形状とされた流動ホッパを備え、上部に円錐形状をした、下部に逆円錐形状をしたものを合わせ一体としたものが、ホッパ壁面との空隙を得るための支持部材で構成されている排出制御部材を、前記流動捕集装置内の前記流動ホッパ下部の略逆円錐筒形状付近に設置することを特徴とする、粉粒体材料の流動捕集装置である。 In order to achieve the above object, the flow collecting apparatus for granular material according to the present invention is provided with an inlet for receiving the granular material to be pneumatically transported at the lower part, an air suction port at the upper end, and transport air. Provided with a separation part for separating the granular material from the bottom, and a discharge port for discharging the granular material at the lower end, the upper part of the fluid hopper having a substantially cylindrical shape, and the lower part of the fluid hopper having a substantially inverted conical cylinder shape A discharge control member provided with a fluid hopper, having a conical shape at the upper part, and an integrated one having an inverted conical shape at the lower part, comprising a support member for obtaining a gap with the hopper wall surface, It is a flow collecting device for granular material, characterized in that it is installed in the vicinity of a substantially inverted conical cylinder shape below the flow hopper in the flow collecting device.

前記排出制御部材は導電性素材からなる前記流動捕集装置に前記支持部材を通じて電気的に接続され、前記排出制御部材に蓄積される静電気を外部に放出する構造とすることを特徴とする請求項1記載の前記排出制御部材を設置した前記粉粒体材料の流動捕集装置である。 The discharge control member is electrically connected to the flow collecting device made of a conductive material through the support member, and discharges static electricity accumulated in the discharge control member to the outside. 2. A flow collection device for the particulate material, wherein the discharge control member according to 1 is installed.

前記排出制御部材の下部から材料が投入され、前記流動捕集装置上部で流動することを特徴とする請求項１、もしくは請求項2記載の前記粉粒体材料の流動捕集装置とする。 3. The powder material collecting device according to claim 1, wherein a material is introduced from a lower portion of the discharge control member and flows at an upper portion of the flow collecting device.

請求項１乃至３のいずれか１項において、前記流動捕集ホッパ内の導入口にイオンを導入するイオン発生装置を更に備えていることを特徴とする前記粉粒体材料の流動捕集装置である。 4. The flow collecting device for a granular material according to claim 1, further comprising an ion generating device that introduces ions into an introduction port in the flow collecting hopper. 5. is there.

本考案に関わる粉粒体材料の流動捕集装置は、上述のような構成としたことで、粉粒体材料が空気輸送や流動により、発生する静電気を排出制御部材に移して流動捕集ホッパ系外に放出されるため、流動捕集ホッパ内壁面への粉粒体材料の付着を抑制し、且つ粉粒体排出時の流れを排出制御部材が制御することで、粉粒体流動混合した材料を排出時に分級しないようにすることが可能となる。更に排出制御部材が粉粒体の流動捕集装置に自重と支持部材の摩擦力のみで固定しているので、材料が変わるとき容易に取り外して清掃できる構造である。 The flow collection device for the granular material according to the present invention is configured as described above, and the flow collection hopper moves the static electricity generated by the granular material to the discharge control member by air transportation or flow. Since it is released out of the system, the powder material is mixed by suppressing the adhesion of the powder material to the inner wall surface of the flow collection hopper and controlling the flow when the powder is discharged by the discharge control member. It becomes possible not to classify the material when discharging. In addition, since the discharge control member is fixed to the powder flow collecting device only by its own weight and the frictional force of the support member, it can be easily removed and cleaned when the material changes.

粉粒体の流動捕集装置に排出制御部材を設置した正面図を示す。The front view which installed the discharge | emission control member in the flow collection apparatus of a granular material is shown. 支持部材が円筒部に固定する場合の排出制御部材の平面図（a）と側面図（b）を示すThe top view (a) and side view (b) of the discharge control member when the support member is fixed to the cylindrical portion are shown. 支持部材が流動ホッパ下部の縦向き管に固定する場合の排出制御部材の側面図を示す。The side view of the discharge | emission control member in case a supporting member fixes to the vertical pipe | tube of the flow hopper lower part is shown. 粉粒体の流動捕集装置を備えた粉粒体材料の輸送システムの一例を模式的に示したシステム構成図を示す。The system block diagram which showed typically an example of the transportation system of the granular material material provided with the flow collection apparatus of the granular material is shown.

以下に図面を参照しながら、本考案を実施するための最良の形態の説明をする。なお、本考案は本実施形態により限定されるものではない。また、本実施の形態の説明において、同一構成並びに作用効果を奏するところには同一符号を付して重複した説明を行わないものとする。 The best mode for carrying out the present invention will be described below with reference to the drawings. In addition, this invention is not limited by this embodiment. Further, in the description of the present embodiment, the same reference numerals are given to the same configurations and the effects and the same description is not repeated.

図１は本考案の実施例における粉粒体の流動捕集装置に排出制御部材を設置した側面図を示し、図2は支持部材が円筒部に固定する場合の排出制御部材の平面図（a）と側面図（b）を示す。図３は支持部材が粉粒体材料の流動捕集装置の流動ホッパ下部の縦向き管に固定する場合の設置例で、排出制御部材の設置の側面図を示す。図４は粉粒体の流動捕集装置を備えた粉粒体材料の輸送システムの一例を模式的に示したシステム構成図を示す。 FIG. 1 shows a side view in which a discharge control member is installed in a flow collecting apparatus for granular material in an embodiment of the present invention, and FIG. 2 is a plan view of the discharge control member when a support member is fixed to a cylindrical portion (a ) And side view (b). FIG. 3 is an installation example in the case where the support member is fixed to the vertical pipe at the lower part of the flow hopper of the powder material flow collecting device, and shows a side view of the installation of the discharge control member. FIG. 4 is a system configuration diagram schematically showing an example of a powder material transport system including a powder particle collecting device.

図１において粉粒体の流動捕集装置１には、流動ホッパ上部２が略円筒形状とされ、流動ホッパ下部３が略逆円錐筒形状からなる流動ホッパ４とからなり、流動ホッパ下部３の内部には図２に示す、上部に円錐形状をし、下部に逆円錐形状をしたものを合わせ一体としたものがステンレス材質で構成され、ホッパ壁面との空隙を得るための支持部材５で構成されている排出制御部材６が流動ホッパ下部３と空隙をもって設置されている。 In FIG. 1, the powder particle collecting apparatus 1 includes a fluid hopper upper portion 2 having a substantially cylindrical shape, a fluid hopper lower portion 3 having a fluid hopper 4 having a substantially inverted conical cylindrical shape, and a fluid hopper lower portion 3. As shown in FIG. 2, a conical shape at the top and an inverted conical shape at the bottom are combined and made of stainless steel, and it is composed of a support member 5 for obtaining a gap with the hopper wall surface. The discharged discharge control member 6 is installed with a flow hopper lower part 3 and a gap.

排出制御部材６は３本の丸棒を折り曲げた支持部材５の一端と溶接により一体化されており、他端は流動ホッパ上部２の下部に押し込まれ、支持部材５の摩擦力により、固定される。この排出制御部材６の材質はステンレスに限定されるのではなく、鉄、銅、アルミニウム、チタン等導電性の高い金属材料としてもよい。排出制御部材６の上部の円錐形状部分の表面はできるだけ平滑面が好ましく、この平滑面で材料の流れを制御し、排出制御部材６の上部にある材料中央部の流出速度に制限を加えることで混合材料流出速度がどの箇所でもほぼ均一となり、流出速度差による混合材料の分級がなくなる。また下部の逆円錐状の形状により、排出制御部材６の下部から吸引導入される材料が、排出制御部材６を通過するときの抵抗を少なくして、吸引輸送するときの抵抗を軽減することができる。 The discharge control member 6 is integrated with one end of a support member 5 formed by bending three round bars by welding, and the other end is pushed into the lower part of the upper portion 2 of the fluid hopper and fixed by the frictional force of the support member 5. The The material of the discharge control member 6 is not limited to stainless steel, but may be a highly conductive metal material such as iron, copper, aluminum, titanium, or the like. The surface of the conical portion at the top of the discharge control member 6 is preferably as smooth as possible. By controlling the material flow with this smooth surface and limiting the outflow speed at the center of the material at the top of the discharge control member 6, The mixed material outflow speed is almost uniform everywhere, and there is no classification of the mixed material due to the difference in outflow speed. Also, the lower conical shape of the lower part reduces the resistance when the material sucked and introduced from the lower part of the discharge control member 6 passes through the discharge control member 6 and reduces the resistance when sucked and transported. it can.

流動ホッパ上部２の上部には分離部７が設置され空気と材料を分離するもので、例として小さな孔の開いたパンチングフィルターを用いてもよい。その上部に空気吸引口８を取り付けた天蓋９がガスケット１０によりシールされた状態で流動ホッパ４に設置されている。 A separation part 7 is installed on the upper part of the flow hopper upper part 2 to separate air and material. For example, a punching filter having small holes may be used. A canopy 9 having an air suction port 8 attached to the top thereof is installed in the flow hopper 4 in a state of being sealed by a gasket 10.

流動ホッパ下部３の下部には縦向き管１１が接続され、下部の排出口１２には排出ダンパー１３を介して材料のレベルスイッチ１４が設置されているガラス管１５に接続されている。このガラス管１５とレベルスイッチ１４の位置は流動ホッパ４と縦向き管１１の間においてもよい。（図省略）また縦向き管１１の側面には略水平若しくは下方方向に粉粒体材料や吸引空気が導入する導入口１６が設置されている。なおガラス管１５の下部接続される機器に空気のシール性があり、吸引による材料の巻上げ効果がある位置にレベルスイッチ１４がある場合、排出ダンパー１３はなくてもよい。 A vertical pipe 11 is connected to the lower part of the lower part of the flow hopper 3, and a lower discharge port 12 is connected via a discharge damper 13 to a glass pipe 15 in which a material level switch 14 is installed. The positions of the glass tube 15 and the level switch 14 may be between the flow hopper 4 and the vertical tube 11. (Not shown) Further, an introduction port 16 through which the granular material and suction air are introduced in a substantially horizontal or downward direction is provided on the side surface of the vertical pipe 11. In addition, when the apparatus connected to the lower part of the glass tube 15 has air sealing properties and the level switch 14 is located at a position where the material is wound up by suction, the discharge damper 13 may not be provided.

導入口１６にはイオンを導入するイオン発生装置１７で発生したイオンを導入するイオン導入口１８が設けられている。イオン発生装置１７は本実施形態ではコロナ放電式の除電器を採用しており、放電針に高電圧を印加することでコロナ放電が発生し、これにより、放電針周辺の空気が分解され、イオンが発生する。このイオンが流動捕集装置１に導入され、粉粒体に接触することで帯電した粉粒体材料の除電がなされる。 The introduction port 16 is provided with an ion introduction port 18 for introducing ions generated by an ion generator 17 for introducing ions. In the present embodiment, the ion generator 17 employs a corona discharge type static eliminator, and a high voltage is applied to the discharge needle to generate a corona discharge. As a result, the air around the discharge needle is decomposed, and the ion Will occur. The ions are introduced into the flow collection device 1 and the charged granular material is neutralized by contacting the granular material.

図３に示す排出制御部材６は支持部材５の変形例として縦向き管１１に挿入して設置する支持部材５を示した。図３の排出制御部材６は比較的大きな流動ホッパに用いられ、図２の排出制御部材６は小型の流動ホッパに用いられる。 The discharge control member 6 shown in FIG. 3 shows the support member 5 that is inserted into the vertical pipe 11 and installed as a modification of the support member 5. The discharge control member 6 of FIG. 3 is used for a relatively large flow hopper, and the discharge control member 6 of FIG. 2 is used for a small flow hopper.

図４を用いて粉粒体の流動捕集装置１がシステムとして使用される一例を説明する。粉粒体の流動捕集装置１は導入口１６に輸送管２０が接続され、輸送管２０を介して1つ以上の原料供給源２１が接続されているとともに空気吸引口８と吸引空気源２２が空気輸送管２７を介して接続されることで、空気吸引力により輸送管２０を通して粉粒体の流動捕集装置１内に吸引輸送され、粉粒体に含まれる微粉や塵埃のみが空気輸送管２７を通じて搬送され、集塵機２８を通過することで捕集され、空気だけが吸引空気源２２から排出される。 An example in which the powder particle collecting apparatus 1 is used as a system will be described with reference to FIG. In the flow collecting apparatus 1 for the granular material, a transport pipe 20 is connected to the introduction port 16, and one or more raw material supply sources 21 are connected via the transport pipe 20, and an air suction port 8 and a suction air source 22 are connected. Are connected via the pneumatic transport pipe 27, and are sucked and transported into the flow collecting device 1 of the granular material through the transport pipe 20 by the air suction force, and only the fine powder and dust contained in the granular material are pneumatically transported. It is conveyed through the pipe 27 and collected by passing through the dust collector 28, and only air is discharged from the suction air source 22.

原料を供給する原料供給源２１として乾燥機２３が供給機２４を介して、原料タンク２５が供給機２４を介して輸送管２０に材料が投入され、二次空気取入口２９から取り入れる吸引輸送用空気とともに輸送管２０を介して粉粒体の前記流動捕集装置１の導入口１６に接続されている。供給機２４はダンパーやロータリーバルブやスクリューなどが採用される。原料供給源２１は２台とは限定されず、１台若しくは３台以上でもよい。原料が単一材料から粉体を除去した材料を必要する場合で材料が静電気で壁面に付着するような場合で、例えば合成樹脂成形機２６に空気輸送する時に使用される。または複数の未混合原料若しくは混合済み原料を空気輸送し、攪拌混合若しくは再攪拌混合する場合で、例えばプラスチックのリサイクル材混合済み原料を必要とする合成樹脂成形機２６に空気輸送する。 As a raw material supply source 21 for supplying raw materials, a dryer 23 is supplied via a feeder 24, and a raw material tank 25 is supplied to the transport pipe 20 via the feeder 24, and is used for suction transportation taken in from a secondary air intake port 29 Along with air, it is connected to the inlet 16 of the flow collecting device 1 for the granular material through the transport pipe 20. For the feeder 24, a damper, a rotary valve, a screw, or the like is employed. The raw material supply source 21 is not limited to two, and may be one or three or more. This is used when the raw material requires a material obtained by removing powder from a single material and the material adheres to the wall surface due to static electricity. For example, it is used when pneumatically transporting to the synthetic resin molding machine 26. Alternatively, when a plurality of unmixed raw materials or mixed raw materials are pneumatically transported and mixed by stirring or re-stirring, for example, they are pneumatically transported to a synthetic resin molding machine 26 that requires mixed materials of plastic recycling materials.

上記構成された本実施形態に係わる粉粒体の流動捕集装置１の動作について説明する。成形材料を使用する合成樹脂成形機２６が稼動し、ガラス管１５内の成形材料が減少し、レベルスイッチ１４が成形材料の要求信号を発すると、排出ダンパー１３が閉じられる。次に原料供給源２１である、乾燥機２３の供給機２４が設定量成形材料を輸送管２０に排出し、同時に前記原料タンク２５の供給機２４から同様に設定量材料を輸送管２０に排出する。 The operation of the powder particle collecting apparatus 1 according to the present embodiment configured as described above will be described. When the synthetic resin molding machine 26 using the molding material is operated, the molding material in the glass tube 15 is reduced, and the level switch 14 issues a molding material request signal, the discharge damper 13 is closed. Next, the supply unit 24 of the dryer 23, which is the raw material supply source 21, discharges the set amount molding material to the transport pipe 20, and simultaneously discharges the set amount material from the supply unit 24 of the raw material tank 25 to the transport pipe 20. To do.

供給機２４からの材料排出用タイマーが完了信号を出すと流動混合工程に移り、吸引空気源２２が起動すると原料供給源２１からの成形材料が、二次空気取入口２９から吸引される空気とともに輸送管２０を通じて粉粒体の流動捕集装置１に導入口１６から吸引輸送される。 When the material discharge timer from the feeder 24 issues a completion signal, the process proceeds to the fluid mixing step. When the suction air source 22 is activated, the molding material from the raw material supply source 21 is brought together with the air sucked from the secondary air intake port 29. It is sucked and transported from the inlet 16 to the flow collecting device 1 for the granular material through the transport pipe 20.

導入口１６から入った成形材料と空気は縦向き管１１を通じて流動ホッパ４に入り、排出制御部材６と流動ホッパ下部３の空隙を通過し排出制御部材６下部の逆円錐形状部に接触して成形材料は静電気を排出制御部材６に伝達する。そして成形材料は広い空間を有する流動ホッパ上部２で風速が失速することで、材料は再び流動ホッパ下部３に落下し、排出制御部材６の上部の円錐筒形状部に接触し、成形材料は静電気が除去される。成形材料は吸引空気源が稼働している間、導入口１６から吸引されてきた材料と混ざり、流動ホッパ上部２に吸引され攪拌混合される。 The molding material and air entering from the introduction port 16 enter the flow hopper 4 through the vertical pipe 11, pass through the gap between the discharge control member 6 and the flow hopper lower portion 3, and contact the inverted conical shape portion below the discharge control member 6. The molding material transmits static electricity to the discharge control member 6. Then, when the molding material is slowed down in the flow hopper upper part 2 having a wide space, the material falls again to the fluid hopper lower part 3 and comes into contact with the conical cylindrical part on the upper part of the discharge control member 6, and the molding material is electrostatically charged. Is removed. While the suction air source is in operation, the molding material is mixed with the material sucked from the inlet 16 and sucked into the upper portion 2 of the fluid hopper and stirred and mixed.

吸引された空気は分離部７を通過した微粉や塵埃とともに吸引空気源２２に移動するため、成形材料から微紛や塵埃が除去され、同時に異種材料の場合流動攪拌混合され、材料は均一になり、且つ静電気が除去される。さらに上記のように流動混合中にイオン発生装置１７によりイオンとなった空気がイオン導入口１８から粉粒体の流動捕集装置１に吸引空気とともに導入され、成形材料の静電気を除去される。 Since the sucked air moves to the suction air source 22 together with the fine powder and dust that have passed through the separation unit 7, fine powder and dust are removed from the molding material, and at the same time, in the case of dissimilar materials, fluid stirring and mixing are performed, and the material becomes uniform. And static electricity is removed. Further, as described above, air that has been ionized by the ion generator 17 during the fluid mixing is introduced from the ion inlet 18 into the powder flow collector 1 together with the suction air, and the static electricity of the molding material is removed.

流動混合のタイマーが完了信号を出すと、排出工程に移り、吸引空気源２２が停止し、混合された成形材料は自重で流動ホッパ下部３から縦向き管１１に落下し、排出ダンパー１３が次の成形材料輸送されるまで開かれたまま保持される。 When the fluid mixing timer gives a completion signal, the process proceeds to the discharge process, the suction air source 22 stops, the mixed molding material falls by its own weight from the lower part of the fluid hopper 3 to the vertical pipe 11, and the discharge damper 13 next. The molding material is held open until transported.

合成樹脂成形機２６の成形により樹脂が使用されると成形材料が自重でゆっくり排出される。このとき成形材料は排出制御部材６により中央部からの材料の流れを制御し、材料が全体的に落下（マスフロー）となる。且つ静電気を除去することにより流動ホッパ４内面に材料が付着しなくなり、排出時の材料が安定して供給できるようになる。 When the resin is used by molding by the synthetic resin molding machine 26, the molding material is slowly discharged by its own weight. At this time, the molding material controls the flow of the material from the central portion by the discharge control member 6, and the material falls as a whole (mass flow). Further, by removing static electricity, the material does not adhere to the inner surface of the flow hopper 4, and the material at the time of discharge can be supplied stably.

以上のように本考案にかかわる粉粒体の流動捕集装置は、シンプルな構造で、かつ未混合の、再混合の原料の良好な静電気除去と排出制御で、プラスチック材料、医薬食品などの粉粒体の混合技術に利用できる。 As described above, the flow collecting apparatus for powder and granule according to the present invention has a simple structure and is suitable for removing static electricity and discharging control of unmixed, remixed raw materials. It can be used for the mixing technology of granules.

１ 粉粒体の流動捕集装置
２ 流動ホッパ上部
３ 流動ホッパ下部
４ 流動ホッパ
５ 支持部材
６ 排出制御部材
７ 分離部
８ 空気吸引口
１２ 排出口
１６ 導入口
１７ イオン発生装置 DESCRIPTION OF SYMBOLS 1 Flow collection apparatus of granular material 2 Flow hopper upper part 3 Flow hopper lower part 4 Flow hopper 5 Support member 6 Discharge control member 7 Separation part
8 Air suction port 12 Discharge port 16 Introduction port 17 Ion generator

本考案は、上記実状に鑑みなされたものであり、流動捕集装置内壁面への粉粒体材料の付着を抑制し、形状や質量の違いによるロート状の容器から排出する際に発生する分離現象である分級をしないようにすること、更に材料が変わるとき容易に清掃できる構造にすることを目的としている。 The present invention has been made in view of the above-described actual situation, and suppresses the adhesion of the particulate material to the inner wall surface of the flow collection device , and the separation that occurs when discharging from the funnel-like container due to the difference in shape and mass The purpose is to prevent classification, which is a phenomenon, and to make the structure easy to clean when the material changes.

前記目的を達成するために、本発明に係る粉粒体材料の流動捕集装置は、下部に空気輸送される粉粒体材料を受け入れる導入口を設け、上端部に空気吸引口と、輸送空気から粉粒体材料を分離させる分離部と、下端部に粉粒体材料を排出する排出口とを設け、上部が略円筒形状とされ、下部が略逆円錐筒形状とされた流動捕集装置からなり、上部に円錐形状をした、下部に逆円錐形状をしたものを合わせ一体としたものが、ホッパ壁面との空隙を得るための支持部材で構成されている排出制御部材を、前記流動捕集装置内下部の略逆円錐筒形状付近に設置することを特徴とする、粉粒体材料の流動捕集装置である。 In order to achieve the above object, the flow collecting apparatus for granular material according to the present invention is provided with an inlet for receiving the granular material to be pneumatically transported at the lower part, an air suction port at the upper end, and transport air. The flow collecting device is provided with a separation part for separating the granular material from the bottom, and a discharge port for discharging the granular material at the lower end, the upper part being substantially cylindrical and the lower part being substantially inverted conical A discharge control member composed of a support member for obtaining a gap with the hopper wall surface is combined with a conical shape at the top and an inverted conical shape at the bottom. It is a flow collection device for granular material, which is installed in the vicinity of a substantially inverted conical cylinder shape in the lower part of the collection device.

請求項１乃至３のいずれか１項において、前記流動捕集装置内の導入口にイオンを導入するイオン発生装置を更に備えていることを特徴とする前記粉粒体材料の流動捕集装置である。 4. The flow collecting device for a granular material according to claim 1, further comprising an ion generating device that introduces ions into an introduction port in the flow collecting device. 5. is there.

本考案に関わる粉粒体材料の流動捕集装置は、上述のような構成としたことで、粉粒体材料が空気輸送や流動により、発生する静電気を排出制御部材に移して流動捕集装置系外に放出されるため、流動捕集装置内壁面への粉粒体材料の付着を抑制し、且つ粉粒体排出時の流れを排出制御部材が制御することで、粉粒体流動混合した材料を排出時に分級しないようにすることが可能となる。更に排出制御部材が粉粒体の流動捕集装置に自重と支持部材の摩擦力のみで固定しているので、材料が変わるとき容易に取り外して清掃できる構造である。 The flow collecting device for the granular material according to the present invention is configured as described above, and the flow collecting device moves the static electricity generated by the granular material to the discharge control member by air transportation or flow. Since it is discharged out of the system, the powder material is mixed by suppressing the adhesion of the powder material to the inner wall surface of the flow collecting device and controlling the flow when the powder is discharged by the discharge control member. It becomes possible not to classify the material when discharging. In addition, since the discharge control member is fixed to the powder flow collecting device only by its own weight and the frictional force of the support member, it can be easily removed and cleaned when the material changes.

Claims (4)

下部に空気輸送される粉粒体材料を受け入れる導入口を設け、上端部に空気吸引口と、輸送空気から粉粒体材料を分離させる分離部と、下端部に粉粒体材料を排出する排出口とを設け、流動ホッパ上部が略円筒形状とされ、流動ホッパ下部が略逆円錐筒形状とされた流動ホッパを備え、上に円錐形状をした、下部に逆円錐形状をしたものを合わせ一体としたものが、ホッパ壁面との空隙を得るための支持部材で構成されている排出制御部材を、前記流動捕集装置内の前記流動ホッパ下部の略逆円錐筒形状付近に設置することを特徴とする、粉粒体材料の流動捕集装置。   The lower part is provided with an inlet for receiving the granular material to be transported by air, the upper part is an air suction port, the separation part is for separating the granular material from the transport air, and the lower part is the exhaust for discharging the granular material. Provided with a flow hopper with an upper part of the flow hopper made into a substantially cylindrical shape and a lower part of the flow hopper made into a substantially inverted conical cylinder shape. The discharge control member composed of a support member for obtaining a gap with the hopper wall surface is installed in the vicinity of a substantially inverted conical cylinder shape below the flow hopper in the flow collection device. And a flow collecting device for granular material. 前記排出制御部材は導電性素材からなる前記流動捕集装置に前述支持部材を通じて電気的に接続され、前記排出制御部材に蓄積される静電気を外部に放出する構造とすることを特徴とする請求項1記載の前記排出制御部材を設置した前記粉粒体材料の流動捕集装置。 The discharge control member is electrically connected to the flow collecting device made of a conductive material through the support member, and discharges static electricity accumulated in the discharge control member to the outside. A flow collection device for the granular material, wherein the discharge control member according to 1 is installed. 前記排出制御部材の下部から材料が投入され、前記流動捕集装置上部で流動することを特徴とする請求項１、もしくは請求項２記載の前記粉粒体材料の流動捕集装置。 The material according to claim 1 or 2, wherein the material is introduced from a lower part of the discharge control member and flows at an upper part of the flow collecting device. 請求項１乃至３のいずれか１項において、前記流動捕集ホッパー内の導入口にイオンを導入するイオン発生装置を更に備えていることを特徴とする前記粉粒体材料の流動捕集装置。 4. The flow collecting device for a granular material according to claim 1, further comprising an ion generator for introducing ions into an introduction port in the flow collecting hopper. 5.
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