JP4188038B2 - Powder dust collector - Google Patents

Powder dust collector Download PDF

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Publication number
JP4188038B2
JP4188038B2 JP2002259490A JP2002259490A JP4188038B2 JP 4188038 B2 JP4188038 B2 JP 4188038B2 JP 2002259490 A JP2002259490 A JP 2002259490A JP 2002259490 A JP2002259490 A JP 2002259490A JP 4188038 B2 JP4188038 B2 JP 4188038B2
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Japan
Prior art keywords
wall
powder
dust collector
inlet
powder inlet
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JP2002259490A
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JP2004097863A (en
Inventor
祥彦 土田
正弘 浦
喜久治 林
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Nippon Soda Co Ltd
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Nippon Soda Co Ltd
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Description

【0001】
【発明の属する技術分野】
本発明は、貯槽、ホッパー等の容器に粉体を投入する口用の集塵装置に関する。
【0002】
【従来の技術】
各種樹脂製袋など、いわゆる可撓性を有する袋状のフレキシブルコンテナバッグ(以下、フレコンバッグと略すことがある。)内に小麦粉、セメント、タルクなどの粉粒体を充てんして遠隔地に輸送することが従来からおこなわれている。フレコンバッグの利点とするところは、使い捨て式或はリサイクル式いずれの場合でも、可撓性を有するので、輸送現地で開袋後かさ張らず、粉粒体を取り出した後の容器の処分、或は処理が非常に楽である。
【0003】
従来、一般にフレコンバッグからセメントなどの粉粒体を取り出す開袋作業は特に密閉空間でおこなわれていないのが実状であり、したがってこの開袋作業に長期間たずさわっていると、粉塵の吸い込みによって、周囲環境をも汚染して粉塵公害を発生するという問題があった。これらの解決手段の一つとして、例えば、特開2002−145224号公報、特開平9−272629号公報、特開平6−329135号公報、特開平4−57728号公報には、粉塵を飛散させずにフレコンバックの開袋作業ができる装置が記載されている。
【0004】
また、特開平5−269336号公報には、容器の開口部から放出される気体状放出物を収集するための装置であって、容器の開口部の近くに取り付けることができる収集装置本体で、前記収集装置本体が、全体として中空内部を形成する内壁、外壁、上壁、底壁および対向する端壁を備え、前記内壁が、前記端壁の一方から他方への方向で互いに間隔を置いて配置された入り口開口部を備え、前記収集装置本体が真空源と接続することができる出口を備え、その真空源が前記中空内部に負圧を発生させ、容器の開口部を横切り、前記収集装置本体内の入り口開口部に向けて空気流を吸引する収集装置本体と、容器から放出される気体状放出物が前記空気流中に取り込まれ、本質的に薄層状の流れの中で前記入り口開口部を通り、前記収集装置本体の中に円滑に吸引される様に、前記空気流を前記入り口開口部中に向けるための、前記収集装置本体の内壁により支持された第一の気流をそらせるための板手段と、および前記入り口開口部から離れ、前記上壁に向かう方向に流れる気体状物質の経路内で、その様な気体状物質を、前記入り口開口部に入る前記薄層状空気流中に向けるための、前記収集装置本体により支持された第二の気流をそらせるための板手段を特徴とする装置が記載されている。
【0005】
【発明が解決しようとする課題】
しかし、いずれのフレコンバックの開袋装置も複雑、かつ高価であり、密閉系で作業するためフレコンバックをカッター等により切り裂くためフレコンバックの再利用ができないという問題があった。
また、特開平5−269336号公報の装置は、気体上放出物の収集装置であり、粉塵を必ずしも効率的に集塵できるとは限らなかった。
本発明は、簡便な構造で、効率よく粉塵の飛散を防止できる集塵装置を提供することを目的とする。
【0006】
【課題を解決するための手段】
本発明者らは、上記課題を解決すべく鋭意検討した結果、吸引装置に連結された中空構造を有する集塵装置本体において、その内壁の適当な位置にスリットの入口開口部を配置することにより上記課題を解決することができることを見出し、本発明を完成するに至った。
【0007】
すなわち、本発明は、
(1)粉体投入口周辺に設置され、中空内部を形成する内壁、外壁、上壁、底壁および対向する端壁からなる本体、内壁に配置された入り口開口部、及び内壁底部に沿って開放された入口開口部、吸引装置と接続することができる出口、及び上壁またはその近傍に可撓性を有する板状部材を備えた粉体投入口用の集塵装置であって、内壁に配置された入口開口部が、端壁の一方から他方への方向で互いに間隔を置いて配置された縦形スリットと、上壁またはその近傍に可撓性を有する板状部材の下部近傍に内壁に沿って配置された横形スリットからなることを特徴とする粉体投入口用の集塵装置に関し、
(2)横形スリットが、内壁に沿って連通して設けられていることを特徴とする(1)に記載の粉体投入口用の集塵装置、
(3)吸引装置と接続することができる出口が、中空内部を形成する内壁、外壁、上壁、底壁および対向する端壁からなる本体全体に均等に複数配置されていることを特徴とする(1)または(2)に記載の粉体投入口用の集塵装置、
(4)中空内部を形成する内壁、外壁、上壁、底壁および対向する端壁からなる本体が、粉体投入口周縁部に、少なくとも粉体の出し入れが横方向から可能な開放部を設けて設置されていることを特徴とする(1)〜(3)のいずれかに記載の粉体投入口用の集塵装置、
(5)粉体投入口が、フレキシブルコンテナバックに収納された粉体の投入口であることを特徴とする(1)〜(4)のいずれかに記載の粉体投入口用の集塵装置に関する。
【0008】
【発明の実施の形態】
本発明の好ましい一実施形態を、図1〜3に示す。
本発明の集塵装置は、フレコンバックに収納された粉体の投入口に設けられるのが好ましい。集塵装置の大きさは、投入口の大きさに合わせて自由に設計できるため、取り扱うフレコンバックの大きさに特に制限されず、通常の20〜25Kg程度でも、大容量であっても構わない。また、図1〜3の集塵装置本体は、馬蹄形であるが、粉体投入口周縁部に取り付けられる形状であれば、特に制限されない。また、投入口周縁部をすべて囲繞することも可能であるが、フレコンバックの移動操作、開袋操作を容易に行うため、また、フレコンバック以外の粉体を取り扱うためにも、粉体の出し入れを容易とするための横方向の開放部を設けておくのが好ましい、
【0009】
図1〜3には図示していないが、フレコンバックを釣り上げ移動させる手段として使用される。例えばホイストクレーン等が設置されている。出口(14)は別途に設置されている吸引設備から吸引配管部材で連結されている分岐配管3本にに接続されている。出口(14)は、集塵装置本体に、複数設けるのが好ましく、その位置は本体全体から、均等に吸引可能な位置が好ましい。また、図1〜3において、出口(14)は、別途吸引部材(15)を介して設けられているが、本体の直接取り付けることも可能である。粉体投入ロ(1)には、異物の混入を防ぐために格子状スリットが設置されている。
【0010】
板状部材(11)は、本体上壁またはその近傍に取り付けられ、フレコンバックから粉体を投入する際、粉体の舞い上がりを防止するため設置されている。その長さは、フレコンバック等の粉体を収納した容器と密着できる長さであれば、特に制限されず、また、あらゆる形の収納容器に対応して密着できるように、可撓性を有する材質が好ましい。
【0011】
縦形スリット(10)の間隔、また、大きさは特に制限されないが、内壁に均等に配置するのが好ましく、また、その形状は、図示したように縦に連通した形状でも、短いスリットを縦方向に複数配置することもできる。スリット幅は特に制限されないが、5〜20mmの範囲が好ましい。
【0012】
本発明の設備の特徴である横形スリット(9)は、上記した板状部材(11)の下部近傍に設けるのが好ましい。この位置に設けることにより、粉体投入時に舞い上がり、板状部材(11)により飛散されるのが防止されると共に、板状部材(11)によって飛散防止された粉塵が横形スリット(9)によりすばやく吸引されるため、他の部分からの漏洩を効果的に防止することができる。
横形スリット(9)の形状は、図示したように内壁に沿って横に連通した形状でも、短いスリットを横方向に複数配置することもできる。スリット幅は特に制限されないが、5〜20mmの範囲が好ましい。
【0013】
次に、本発明の装置を用いた粉体投入の手順について説明する。
別途に設置してある吸引設備を運転し、集塵装置本体の内部中空構造部分を減圧吸引する。減圧度は、投入する粉体の容量、投入速度等により自由に設定が可能であるが、150mmH20程度の減圧度で十分である。この際、吸引装置を粉体投入口の設けられた容器に接続し、同時に吸引を行うのが好ましい。このようにすることで、粉塵の飛散がより防止でき、さらに、図示したように、粉体を横方向から移動できる開放部分を設けても、粉塵の飛散を効果的に抑えることができる。
【0014】
ホイスト・クレーン等の移動手段を用いてフレコンバックを粉体投入口上部に移動させる。このとき、フレコンバックを集塵装置本体に若干重力がかかる状態、つまり寄りかかったような状態で密着させて吊るすことによって粉体投入時、隙間からの粉塵の飛散防止がはかれる。
【0015】
【発明の効果】
以上述べたように、本発明の装置は、その構造が至って簡便であるにもかかわらず、従来の密閉型の装置と比較しても、同様に粉塵の飛散防止が可能となった。また、その構造が簡単であるため、あらゆる形状、場所の粉体投入口に対応することができるものである。粉塵問題は、製造工場の作業環境問題上、非常に重要な問題であり、本発明の装置を用いることにより、容易にその問題を解決することができ、産業上の利用価値は高いといえる。
【図面の簡単な説明】
【図1】本発明の好ましい一実施形態を表す全体斜視図を示す。
【図2】図1に示す全体斜視図の正面図を示す。
【図3】図1に示す全体斜視図の平面図を示す。
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a dust collector for a mouth for charging powder into a container such as a storage tank or a hopper.
[0002]
[Prior art]
Filled with powder, cement, talc, etc. in a so-called flexible bag-like flexible container bag (hereinafter sometimes abbreviated as a flexible container bag) such as various plastic bags and transported to remote locations It has traditionally been done. The advantage of a flexible container bag is that it is flexible whether it is disposable or recyclable, so it is not bulky after opening the bag at the site of transportation, and disposal of the container after taking out the granular material, or Processing is very easy.
[0003]
Conventionally, in general, the opening operation of taking out powder particles such as cement from the flexible container bag is not actually performed in a sealed space, so if you are involved in this opening operation for a long time, by sucking dust, There was a problem that dust pollution was caused by polluting the surrounding environment. As one of these solutions, for example, JP 2002-145224 A, JP 9-272629 A, JP 6-329135 A, and JP 4-57728 A do not scatter dust. Describes an apparatus capable of opening a flexible container bag.
[0004]
JP-A-5-269336 discloses an apparatus for collecting a gaseous emission discharged from an opening of a container, which can be attached near the opening of the container. The collector body includes an inner wall, an outer wall, a top wall, a bottom wall and opposing end walls that form a hollow interior as a whole, the inner walls being spaced from one another in the direction from one to the other of the end walls. An inlet opening arranged, the collector body having an outlet that can be connected to a vacuum source, the vacuum source generates a negative pressure in the hollow interior, across the opening of the container, A collector main body for sucking an air flow toward an inlet opening in the body, and a gaseous discharge discharged from a container is taken into the air flow, and the inlet opening is essentially in a laminar flow. The collection device Plate means for diverting a first air stream supported by an inner wall of the collector body for directing the air stream into the inlet opening for smooth suction into the body; and The collection device for directing such gaseous material into the laminar air stream entering the inlet opening in a path of gaseous material flowing away from the inlet opening and in a direction towards the upper wall An apparatus is described which features plate means for deflecting a second air stream supported by the body.
[0005]
[Problems to be solved by the invention]
However, any flexible container bag opening device is complicated and expensive, and the flexible container bag cannot be reused because the flexible container bag is torn by a cutter or the like because it is operated in a closed system.
Moreover, the apparatus of Unexamined-Japanese-Patent No. 5-269336 is an on-gas discharge | collection apparatus, and could not necessarily collect dust efficiently.
An object of this invention is to provide the dust collector which can prevent scattering of dust efficiently with a simple structure.
[0006]
[Means for Solving the Problems]
As a result of intensive studies to solve the above-described problems, the present inventors have arranged a slit inlet opening at an appropriate position on the inner wall of a dust collector main body having a hollow structure connected to a suction device. The present inventors have found that the above problems can be solved and have completed the present invention.
[0007]
That is, the present invention
(1) Along the powder input port, a main body composed of an inner wall, an outer wall, an upper wall, a bottom wall and opposing end walls forming a hollow interior, an entrance opening disposed on the inner wall, and an inner wall bottom A dust collector for a powder inlet comprising an opened inlet opening, an outlet that can be connected to a suction device, and a flexible plate-like member on or near the upper wall, on the inner wall The arranged inlet opening is formed in the inner wall near the lower part of the plate-shaped member having flexibility in the upper wall or the vicinity thereof, with the vertical slits spaced from each other in the direction from one side of the end wall to the other. Concerning a dust collector for a powder inlet, characterized by comprising horizontal slits arranged along the
(2) The dust collector for a powder inlet according to (1), wherein the horizontal slit is provided in communication along the inner wall;
(3) A plurality of outlets that can be connected to the suction device are evenly arranged on the entire main body including the inner wall, the outer wall, the upper wall, the bottom wall, and the opposing end walls forming the hollow interior. A dust collector for a powder inlet according to (1) or (2),
(4) The main body consisting of the inner wall, outer wall, upper wall, bottom wall and opposing end walls forming the hollow interior is provided with an open portion at least in the lateral direction of the powder at the periphery of the powder inlet. The dust collector for a powder inlet according to any one of (1) to (3), characterized in that
(5) The dust collector for a powder inlet according to any one of (1) to (4), wherein the powder inlet is an inlet for powder stored in a flexible container bag About.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
A preferred embodiment of the present invention is shown in FIGS.
The dust collector of the present invention is preferably provided at the inlet of the powder stored in the flexible container bag. Since the size of the dust collector can be designed freely according to the size of the inlet, it is not particularly limited to the size of the flexible container bag to be handled, and it may be about 20 to 25 Kg or a large capacity. . Moreover, although the dust collector main body of FIGS. 1-3 is a horseshoe shape, if it is a shape attached to the powder inlet opening peripheral part, it will not restrict | limit in particular. In addition, it is possible to surround the entire periphery of the inlet, but in order to easily move the flexible container bag and open the bag, and to handle powders other than the flexible container bag, it is also possible to put powder in and out. It is preferable to provide a lateral opening to facilitate
[0009]
Although not shown in FIGS. 1-3, it is used as a means to lift and move the flexible container bag. For example, a hoist crane is installed. The outlet (14) is connected to three branch pipes connected by suction pipe members from a separately installed suction facility. A plurality of outlets (14) are preferably provided in the dust collector main body, and the position is preferably a position where suction can be performed uniformly from the entire main body. 1 to 3, the outlet (14) is separately provided via a suction member (15), but it is also possible to attach the main body directly. A grid-like slit is installed in the powder charging rod (1) in order to prevent foreign matter from entering.
[0010]
The plate-like member (11) is attached to the upper wall of the main body or in the vicinity thereof, and is installed to prevent the powder from rising when the powder is fed from the flexible container bag. The length is not particularly limited as long as it can be in close contact with a container containing powder such as a flexible container bag, and has flexibility so that it can be in close contact with any shape of storage container. A material is preferred.
[0011]
The interval and size of the vertical slits (10) are not particularly limited, but it is preferable to arrange them evenly on the inner wall, and even if the shape is a vertically communicating shape as shown in the drawing, a short slit is arranged in the vertical direction. It is also possible to arrange a plurality of them. The slit width is not particularly limited, but a range of 5 to 20 mm is preferable.
[0012]
The horizontal slit (9), which is a feature of the facility of the present invention, is preferably provided in the vicinity of the lower portion of the plate-like member (11). By providing at this position, the powder rises at the time of charging and is prevented from being scattered by the plate-like member (11), and the dust prevented from being scattered by the plate-like member (11) is quickly brought into the horizontal slit (9). Since it is sucked, leakage from other parts can be effectively prevented.
The shape of the horizontal slit (9) may be a shape communicating laterally along the inner wall as shown in the figure, or a plurality of short slits may be arranged in the horizontal direction. The slit width is not particularly limited, but a range of 5 to 20 mm is preferable.
[0013]
Next, a procedure for charging powder using the apparatus of the present invention will be described.
The suction equipment installed separately is operated, and the internal hollow structure part of the dust collector main body is sucked under reduced pressure. The degree of vacuum can be freely set depending on the volume of the powder to be charged, the charging speed, etc., but a degree of vacuum of about 150 mmH 2 O is sufficient. At this time, it is preferable to connect the suction device to a container provided with a powder inlet and perform suction simultaneously. By doing in this way, dust scattering can be further prevented, and furthermore, as shown in the drawing, dust scattering can be effectively suppressed even if an open portion that can move the powder from the lateral direction is provided.
[0014]
The flexible container bag is moved to the upper part of the powder inlet by using a moving means such as a hoist crane. At this time, the flexible container bag is suspended in close contact with the dust collector main body in a state where a slight amount of gravity is applied, that is, in a state where the flexible container bag is leaned, so that dust can be prevented from being scattered from the gap when the powder is charged.
[0015]
【The invention's effect】
As described above, the apparatus of the present invention can prevent dust from being scattered in the same manner as compared with a conventional hermetic apparatus, though the structure is simple and simple. In addition, since the structure is simple, it can correspond to the powder inlet of any shape and place. The dust problem is a very important problem in terms of the working environment problem of the manufacturing factory. By using the apparatus of the present invention, the problem can be easily solved, and it can be said that the industrial utility value is high.
[Brief description of the drawings]
FIG. 1 is an overall perspective view showing a preferred embodiment of the present invention.
2 shows a front view of the overall perspective view shown in FIG. 1. FIG.
FIG. 3 is a plan view of the overall perspective view shown in FIG. 1;

Claims (5)

粉体投入口周辺に設置され、中空内部を形成する内壁、外壁、上壁、底壁および対向する端壁からなる本体、内壁に配置された入り口開口部、及び内壁底部に沿って開放された入口開口部、吸引装置と接続することができる出口、及び上壁またはその近傍に可撓性を有する板状部材を備えた粉体投入口用の集塵装置であって、内壁に配置された入口開口部が、端壁の一方から他方への方向で互いに間隔を置いて配置された縦形スリットと、可撓性を有する板状部材の下部近傍に内壁に沿って配置された横形スリットからなることを特徴とする粉体投入口用の集塵装置。Installed around the powder inlet, main body consisting of inner wall, outer wall, upper wall, bottom wall and opposite end wall forming hollow interior, inlet opening located on inner wall, and opened along inner wall bottom A dust collector for a powder inlet having an inlet opening, an outlet that can be connected to a suction device, and a flexible plate-like member on or near the upper wall, which is disposed on the inner wall inlet opening, and a vertical slit are spaced from one another in the direction from one to the other end wall, consisting of horizontal slits which are arranged along the inner wall near the lower portion of the plate-shaped member having a flexible A dust collector for a powder inlet characterized by the above. 横形スリットが、内壁に沿って連通して設けられていることを特徴とする請求項1に記載の粉体投入口用の集塵装置。2. The dust collector for a powder inlet according to claim 1, wherein the horizontal slit is provided so as to communicate along the inner wall. 吸引装置と接続することができる出口が、中空内部を形成する内壁、外壁、上壁、底壁および対向する端壁からなる本体全体に均等に複数配置されていることを特徴とする請求項1または2に記載の粉体投入口用の集塵装置。2. The plurality of outlets that can be connected to the suction device are evenly arranged on the entire main body including the inner wall, the outer wall, the upper wall, the bottom wall, and the opposite end walls forming a hollow interior. Or the dust collector for powder inlets of 2. 中空内部を形成する内壁、外壁、上壁、底壁および対向する端壁からなる本体が、粉体投入口周縁部に、少なくとも粉体の出し入れが横方向から可能な開放部を設けて設置されていることを特徴とする請求項1〜3のいずれかに記載の粉体投入口用の集塵装置。The main body consisting of the inner wall, outer wall, top wall, bottom wall and opposing end walls that form a hollow interior is installed at the peripheral edge of the powder inlet with an open part that allows at least powder to be taken in and out from the lateral direction. The dust collector for a powder inlet according to any one of claims 1 to 3. 粉体投入口が、フレキシブルコンテナバックに収納された粉体の投入口であることを特徴とする請求項1〜4のいずれかに記載の粉体投入口用の集塵装置。The dust collector for a powder inlet according to any one of claims 1 to 4, wherein the powder inlet is an inlet for powder stored in a flexible container bag.
JP2002259490A 2002-09-05 2002-09-05 Powder dust collector Expired - Fee Related JP4188038B2 (en)

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CN201735579U (en) * 2010-06-21 2011-02-09 三一重工股份有限公司 Powder dust collection device
KR102571213B1 (en) * 2022-11-29 2023-08-25 케미콘시스템 주식회사 Dust collector for scattering prevention

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