JP5306841B2 - How to remove powder from the tank - Google Patents

How to remove powder from the tank Download PDF

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JP5306841B2
JP5306841B2 JP2009017832A JP2009017832A JP5306841B2 JP 5306841 B2 JP5306841 B2 JP 5306841B2 JP 2009017832 A JP2009017832 A JP 2009017832A JP 2009017832 A JP2009017832 A JP 2009017832A JP 5306841 B2 JP5306841 B2 JP 5306841B2
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tank
collection bag
powder
manhole
scraping
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JP2010173783A (en
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元士 渡辺
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日金加工株式会社
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本願発明は、タンク内にある粉体を取り出すに当たって、微粉体が飛散するのを防止しながら排出する方法。   The present invention is a method of discharging fine powder while preventing the fine powder from scattering when taking out the powder in the tank.

従来、タンク内の粉体を取り出すに当たって、タンクに付設のマンホールを開けて、大気に露出した状態で、他のタンクに移送することが行われている。このとき、微粉体が飛散して、作業者がそれを吸い込む可能性があるし、反対に、マンホールが開放されるので、タンク内に大気中の異物が混入することもある。
そこで、係ることを防止するために、アイソレータを含めたグローブボックスを使用している。
Conventionally, when taking out powder from a tank, a manhole attached to the tank is opened and transferred to another tank in a state exposed to the atmosphere. At this time, there is a possibility that the fine powder is scattered and the operator sucks it. Conversely, since the manhole is opened, foreign matter in the atmosphere may be mixed in the tank.
In order to prevent this, a glove box including an isolator is used.

特開2008−143675号公報JP 2008-143675 A

前記のように、タンク内の粉体を排出するに当たって、グローブボックスを用いると、そのグローブボックスは設備費が高価で複雑であり、作業性が悪いという課題がある。
そこで、本願発明は、係る不都合を解消するタンク内の粉体の取出し方法を提供するものである。
As described above, when a glove box is used to discharge the powder in the tank, the glove box has a problem that the equipment cost is expensive and complicated, and the workability is poor.
Accordingly, the present invention provides a method for taking out powder from a tank that eliminates such inconvenience.

請求項1のタンク内の粉体の取出し方法は、タンク内の粉体を掻き取り体によって回収袋に回収するに当たって、前記掻き取り体を長方形板状の掻き取り本体とその本体に取付けの掻き棒とで構成してある。そして、掻き棒を、掻き取り本体の縦方向に対しては中心であるが、横方向に対しては、掻き取り本体の長さLに対してL1:L2に分けた箇所である。尚、このL1:L2は、1:2.5〜4.5の範囲である。
又、請求項2タンク内の粉体の取出し方法は、タンクに付設のマンホール口を回収袋で覆い、回収袋内の掻き取り本体を、回収袋の外側から操作して粉体を回収袋内に排出する。
又、請求項3のタンク内の粉体の取出し方法は、回収袋の端部に弾性端部体を付設し、前記弾性端部体に凹凸状の波体を形成してある。
In the method of taking out powder in the tank according to claim 1, when collecting the powder in the tank into the collection bag by the scraping body, the scraping body is a rectangular plate-shaped scraping body and a scraper attached to the body. It consists of a stick. And although the scraping bar is the center with respect to the vertical direction of the scraping main body, the horizontal direction is a portion divided into L1: L2 with respect to the length L of the scraping main body. Note that L1: L2 is in the range of 1: 2.5 to 4.5.
Further, the method for taking out powder from the tank is to cover the manhole opening attached to the tank with a collection bag, and operate the scraping body in the collection bag from the outside of the collection bag to collect the powder in the collection bag. To discharge.
According to a third aspect of the method for taking out powder from the tank, an elastic end member is attached to the end of the collection bag, and a corrugated wave body is formed on the elastic end member.

本願発明のタンク内の粉体の取出し方法は、微粉が飛散しない簡便な排出方法である。   The method for taking out powder from the tank of the present invention is a simple discharge method in which fine powder is not scattered.

回収袋の図である。It is a figure of a collection bag. 回収袋をマンホール口に取り付けた図である。It is the figure which attached the collection bag to the manhole mouth. タンク内の粉体の取出し方法の操作を示す図であり、回収袋をマンホール口に取り付けた図である。It is a figure which shows operation of the taking-out method of the powder in a tank, and is the figure which attached the collection bag to the manhole opening. タンク内の粉体の取出し方法の操作を示す図であり、マンホール蓋を取り外す図である。It is a figure which shows operation of the taking-out method of the powder in a tank, and is a figure which removes a manhole cover. タンク内の粉体の取出し方法の操作を示す図であり、マンホール蓋を取り外した図である。It is a figure which shows operation of the taking-out method of the powder in a tank, and is the figure which removed the manhole cover. タンク内の粉体の取出し方法の操作を示す図であり、マンホール口から掻き取り体によって排出する図である。It is a figure which shows operation of the taking-out method of the powder in a tank, and is a figure discharged | emitted by a scraping body from a manhole opening. タンク内の粉体の取出し方法の操作を示す図であり、マンホール口から掻き取り体によって排出する図である。It is a figure which shows operation of the taking-out method of the powder in a tank, and is a figure discharged | emitted by a scraping body from a manhole opening. タンク内の粉体の取出し方法の操作を示す図であり、回収袋を新たな回収袋にする図である。It is a figure which shows operation of the taking-out method of the powder in a tank, and is a figure which makes a collection bag a new collection bag. タンク内の粉体の取出し方法の操作を示す図であり、新たな回収袋に排出する図である。It is a figure which shows operation of the taking-out method of the powder in a tank, and is a figure discharged to a new collection bag. タンク内の粉体の取出し方法の操作を示す図であり、新たな回収袋に排出する図である。It is a figure which shows operation of the taking-out method of the powder in a tank, and is a figure discharged to a new collection bag. タンクに2個のマンホール口があるとき、回収袋に粉体を排出する図である。It is a figure which discharges powder to a collection bag when there are two manhole openings in a tank.

本発明の実施の形態を図面を参照して説明する。
本発明は、図6に示すように、タンク1内の残流の粉体をマンホール口2から排出する方法であり、図1は排出の際に、微粉が飛散しないようにマンホール口2に取り付ける回収袋5であり、図2はフランジ式のマンホール口2に置いた掻き取り体10である。
Embodiments of the present invention will be described with reference to the drawings.
As shown in FIG. 6, the present invention is a method of discharging the remaining powder in the tank 1 from the manhole port 2, and FIG. 1 is attached to the manhole port 2 so that fine powder does not scatter during the discharge. FIG. 2 shows a scraper 10 placed in the flange type manhole port 2.

回収袋5は、長筒状の柔軟な透明又は半透明のフィルム袋であり、ナイロン、ポリエチレン等の合成樹脂袋である。
又、この回収袋5の端部は、接着材(粘着材を含む)等で、弾性作用をする弾性端部体6に取り付けてあり、その弾性端部体6の最端部の外周には、凹凸状の波体7が形成してある。
前記弾性端部体6を付設の回収袋5は、マンホール口2の周囲に装着し、図2に示すように、周囲をバンド8で固定する。この時、バンド8は、凹凸状の波体7との間で締め付けられるので外れ難い。尚、前記バンド6は、金属製バンド、バンド等を使用する。
The collection bag 5 is a long cylindrical flexible transparent or translucent film bag, and is a synthetic resin bag such as nylon or polyethylene.
Further, the end of the collection bag 5 is attached to an elastic end body 6 that acts elastically with an adhesive (including an adhesive) or the like, and the outer end of the elastic end body 6 has an outer periphery. The corrugated wave body 7 is formed.
The collection bag 5 provided with the elastic end body 6 is mounted around the manhole port 2 and the periphery is fixed with a band 8 as shown in FIG. At this time, since the band 8 is fastened between the corrugated wave body 7, it is difficult to come off. The band 6 is a metal band, a band or the like.

一方、図2に示す掻き取り体10は、合成樹脂等の長方形板状の掻き取り本体11とその本体11に取付けの掻き棒12とで構成してある。又、前記掻き棒12が、掻き取り本体11に固定してある箇所は、掻き取り本体11の縦方向(長さL3は、マンホール口2の大きさにより、種々選択し、例えば、110〜300mm)に対しては中心であり、横方向に対しては、掻き取り本体の長さLに対して、L1:L2に分けた箇所である。(尚、L1:L2=1:2.5〜4.5が望ましい。)
この様に、掻き取り棒12の取付け位置を、掻き取り本体11の横方向に対して偏心させて取り付けてあるのは、タンクの周縁部を掻き取る際に、掻き取り本体11の中心に掻き取り棒12を取り付けた場合に比して、実際の作業をしたところ、作業性が良好であったためである。
On the other hand, the scraping body 10 shown in FIG. 2 includes a scraping body 11 having a rectangular plate shape such as a synthetic resin, and a scraping bar 12 attached to the body 11. Further, the location where the scraping bar 12 is fixed to the scraping body 11 is selected in various directions in the longitudinal direction of the scraping body 11 (the length L3 depends on the size of the manhole port 2, for example, 110 to 300 mm. ) Is the center, and the horizontal direction is a portion divided into L1: L2 with respect to the length L of the scraping body. (L1: L2 = 1: 2.5 to 4.5 is desirable.)
In this way, the attachment position of the scraping bar 12 is eccentric with respect to the lateral direction of the scraping main body 11 because the scraping bar 12 is scraped at the center of the scraping main body 11 when scraping the peripheral edge of the tank. This is because the workability was good when the actual work was performed as compared with the case where the take-up bar 12 was attached.

次に、前記回収袋5と掻き取り体10を使用して、タンク1内の粉体3を排出する作業について説明する。
(1)先ず、図3に示すように、回収袋5の中に掻き取り体10を入れた状態で、弾性端部体6をマンホール口2に装着する。そして、弾性端部体6をバンド8で固定する。
(2)次に、図4に示すように、マンホール蓋4を、回収袋5の外側から手で開ける。回収袋5はマンホール口2を覆って連結状態であるので、例え、マンホール口2から微粉体が飛散しても、回収袋5に収納されて、外部に飛散することはない。
Next, the operation | work which discharges | emits the powder 3 in the tank 1 using the said collection | recovery bag 5 and the scraping body 10 is demonstrated.
(1) First, as shown in FIG. 3, the elastic end body 6 is attached to the manhole port 2 with the scraper 10 placed in the collection bag 5. Then, the elastic end body 6 is fixed with a band 8.
(2) Next, as shown in FIG. 4, the manhole cover 4 is manually opened from the outside of the collection bag 5. Since the collection bag 5 covers the manhole port 2 and is in a connected state, even if fine powder scatters from the manhole port 2, it is stored in the collection bag 5 and does not scatter outside.

(3)次に、図5に示すように、マンホール蓋4を取り外して、図6に示すように、掻き取り体10を回収袋5の外側から掴んで、マンホール口2からタンク内に挿入し、粉体を回収袋5内に排出する。フィルムが透明又は半透明であるので、回収袋5内を観察しながら掻き取り体10を操作しながら排出する。
尚、この際、回収袋5の他端部15を閉鎖状態にするか、開放状態にするかは、微粉体の飛散状態で判断するが、多くの粉体が回収袋5に溜ったときには、他端部15を閉鎖状態にする。
(4)マンホール口2からタンク内の粉体を回収袋5内に排出する(図7)。そして、図8、図9に示すように、回収袋5が満杯になったときには、他端部15を縛り、切断して、新たな回収袋5とする。この他端部15を閉止させるためには、フィルムを熱溶着して、その熱溶着部を切断する方法が望ましい。
(5)そして、前記(3)と同様に、図10に示すように、掻き取り体10を回収袋5の外側から掴んで、マンホール口2からタンク1内に挿入し、粉体を回収袋5内に排出する工程を繰り返す。
(3) Next, as shown in FIG. 5, the manhole cover 4 is removed, and as shown in FIG. 6, the scraper 10 is grasped from the outside of the collection bag 5 and inserted into the tank from the manhole port 2. The powder is discharged into the collection bag 5. Since the film is transparent or translucent, it is discharged while operating the scraping body 10 while observing the inside of the collection bag 5.
At this time, whether the other end portion 15 of the collection bag 5 is in a closed state or an open state is determined based on the scattered state of the fine powder, but when a large amount of powder has accumulated in the collection bag 5, The other end 15 is closed.
(4) The powder in the tank is discharged from the manhole port 2 into the collection bag 5 (FIG. 7). Then, as shown in FIGS. 8 and 9, when the collection bag 5 becomes full, the other end 15 is tied and cut to obtain a new collection bag 5. In order to close the other end 15, a method of thermally welding the film and cutting the thermally welded portion is desirable.
(5) And, similar to the above (3), as shown in FIG. 10, the scraping body 10 is grasped from the outside of the collection bag 5 and inserted into the tank 1 from the manhole port 2 to collect the powder. 5 Repeat the process of discharging into the interior.

次に、図11は、2個のマンホール蓋4a、4bを備えているタンク1に適用でき、タンク内の粉体を押し出して、回収袋5内に排出するものである。
タンク1に付設のマンホール蓋4a(マンホール口2)には、前記図2に示すように、弾性端部体6をマンホール口2に装着して、弾性端部体6をバンド8で固定する。
一方のマンホール蓋4bには、回収袋5の中に掻き取り体10を入れた状態で、弾性端部体6をマンホールに装着して、弾性端部体6をバンド8で固定する。
そして、前記両マンホール蓋4a、4bを回収袋5の外側から開いて、掻き取り体10を回収袋5の外側から握って、他方のマンホール口2に向けて、タンク1内の粉体を回収袋5に押し出して排出する。
この様に、2箇所のマンホール口があるときには、掻き取り体10で手前に引き付けて排出するのではなく、押し出し操作で排出できる。
Next, FIG. 11 can be applied to a tank 1 having two manhole covers 4a and 4b. The powder in the tank is pushed out and discharged into the collection bag 5.
The manhole cover 4 a (manhole port 2) attached to the tank 1 has an elastic end body 6 attached to the manhole port 2 and fixed with a band 8 as shown in FIG. 2.
In one manhole cover 4 b, the elastic end body 6 is attached to the manhole in a state where the scraping body 10 is put in the collection bag 5, and the elastic end body 6 is fixed by the band 8.
Then, both the manhole covers 4a and 4b are opened from the outside of the collection bag 5, the scraper 10 is grasped from the outside of the collection bag 5, and the powder in the tank 1 is collected toward the other manhole port 2. Extrude into bag 5 and discharge.
In this way, when there are two manhole openings, the scraper 10 can be discharged by an extrusion operation, instead of being pulled forward and discharged.

以上のように、タンク1内の粉体3を回収袋5へ排出するに当たって、回収袋5を介して密閉状態での排出作業となるので、微粉体が外部に飛散することがない。
尚、前記マンホール口2に装着の回収袋5は、弾性端部体6を取り付けたものを使用しているが、この弾性端部体6を使用しないで、直接、ナイロン、ポリエチレン等の合成樹脂袋の口を装着してもよい。
As described above, when the powder 3 in the tank 1 is discharged to the collection bag 5, the discharge operation is performed in a sealed state via the collection bag 5, so that the fine powder is not scattered outside.
The collection bag 5 attached to the manhole port 2 uses a bag with an elastic end body 6 attached. However, without using the elastic end body 6, a synthetic resin such as nylon or polyethylene is directly used. A bag mouth may be attached.

1 タンク
2 マンホール口
3 粉体
4、4a、4b マンホール蓋
5 回収袋
6 弾性端部体
7 波体
8 バンド
10 掻き取り体
11 掻き取り本体
12 掻き棒

DESCRIPTION OF SYMBOLS 1 Tank 2 Manhole port 3 Powder 4, 4a, 4b Manhole cover 5 Collection bag 6 Elastic end body 7 Wave body 8 Band 10 Scraping body 11 Scraping body 12 Scraping rod

Claims (3)

タンク内の粉体を掻き取り体によって回収袋に回収するに当たって、
前記掻き取り体を長方形板状の掻き取り本体とその本体に取付けの掻き棒とで構成し、
前記掻き棒を、掻き取り本体の縦方向に対しては中心であるが、横方向に対しては、掻き取り本体の長さLに対してL1(1):L2(2.5〜4.5)に分けた箇所であることを特徴とするタンク内の粉体の取出し方法。
In collecting the powder in the tank into the collection bag with the scraping body,
The scraper is composed of a rectangular plate-shaped scraper body and a scraper attached to the body,
The scraper is centered with respect to the longitudinal direction of the scraping body, but is L1 (1): L2 (2.5-4. 5. A method for taking out powder from a tank, characterized in that it is a portion divided into 5).
タンクに付設のマンホール口を回収袋で覆い、
回収袋内の掻き取り本体を、回収袋の外側から操作して粉体を回収袋内に排出することを特徴とする請求項1のタンク内の粉体の取出し方法。
Cover the manhole attached to the tank with a collection bag,
2. The method for taking out powder from a tank according to claim 1, wherein the scraping main body in the collection bag is operated from the outside of the collection bag to discharge the powder into the collection bag.
回収袋の端部に弾性端部体を付設し、
前記弾性端部体に凹凸状の波体を形成してあることを特徴とする請求項2のタンク内の粉体の取出し方法。

An elastic end body is attached to the end of the collection bag,
3. The method for taking out powder from a tank according to claim 2, wherein an uneven corrugated body is formed on the elastic end member.

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JPS5311103A (en) * 1976-07-16 1978-02-01 Kobe Steel Ltd Slag removing method
JPS5723781Y2 (en) * 1977-07-12 1982-05-24
JPH11198063A (en) * 1997-10-31 1999-07-27 Masaharu Tomae Chaplet exfoliating tool
JP2001072250A (en) * 1999-09-02 2001-03-21 Ishida Engineering:Kk Quantitative takeout device
ATE386701T1 (en) * 2003-12-11 2008-03-15 Hecht Anlagenbau Gmbh METHOD FOR EMPTYING TO AVOID CONTAMINATION FILLING OF BULK CONTAINERS

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