JPS59208382A - Method of mixing and drying powder - Google Patents
Method of mixing and drying powderInfo
- Publication number
- JPS59208382A JPS59208382A JP8302483A JP8302483A JPS59208382A JP S59208382 A JPS59208382 A JP S59208382A JP 8302483 A JP8302483 A JP 8302483A JP 8302483 A JP8302483 A JP 8302483A JP S59208382 A JPS59208382 A JP S59208382A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- drum
- mixing
- drying
- soft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 産業上の利用分野 本発明は粉末の混合乾燥方法に関するものである。[Detailed description of the invention] Industrial applications The present invention relates to a method for mixing and drying powder.
従来例の構成とその問題点
一般に、タングステンなどの粉末に他の物質全水溶液状
にして添加し混合すると、両者全比較的均一に分散混合
させることができろ。Conventional Structure and Problems Generally speaking, if another substance is added in the form of an aqueous solution to a powder such as tungsten and mixed, the two can be dispersed and mixed relatively uniformly.
ところが、このような湿式添加によると、溶媒が蒸発し
粉末が乾燥する過程でその粘１〈トが大さくなり、粉末
がブロック化する現象金主じる。However, with such wet addition, the viscosity increases during the process of evaporation of the solvent and drying of the powder, leading to the phenomenon that the powder becomes blocks.
そのため、ゲー米では湿式添加・温合工程と、粉末の乾
燥エイ■と、粉末ブ０７タの破砕工程と金利々に分けて
行なっているのが通例である。For this reason, it is customary for game rice to carry out the wet addition and warming process, drying the powder, and crushing the powder.
したかって、従来の粉末の混合乾燥方法は作業能率が悪
かった。Therefore, the conventional powder mixing and drying method has poor work efficiency.
これらの一連の工程全自動化するために、ニーダーミギ
ザーなど金用い、かく拌翼で攪拌し乾燥する方法イ）イ
ｒ在するが、この方法でも粉末のブロック化によるかく
拌不良は避けられず、′１．たかく拌翼の摩耗による不
純物の混入などを生じて、粉末本来の性質（ｆＺ Ｉｊ
％ねることが多く、従来の方法では湿式添加・混合・乾
燥を一貫して行々うことが困難であった。In order to fully automate this series of processes, there is a method of stirring and drying using a metal tool such as a kneader mixer or stirring blades, but even with this method, poor stirring due to the formation of blocks of powder cannot be avoided. 1. Due to the abrasion of the stirring blades, impurities may be mixed in and the original properties of the powder (fZ Ij
It was difficult to consistently perform wet addition, mixing, and drying using conventional methods.
発明の１］的
本発明は湿式添加・混合・乾燥金−貫して行なうことか
でさ、したがって作業性の良い粉末の混合乾燥方法を提
供するものである。っ
発明の構成
本発明の粉末の混合乾燥方法は、一部に開口部を有し、
かつ内面に突起部を有するか、内面が多角形状の剛体ド
ラムの内部に、一部に開口部を有し、粉末に他の物質を
水溶液状て添加したものを入れた軟質ドラム全役け、前
記剛体ドラムの回転に伴って、前記突起部にて前記軟質
ドラム金変形させながら、前記軟質ドラムを回転させる
ことによって、前記粉末と前記他の物質と全混合し、か
つ前記剛体ドラムおよび前記軟質ドラムの開口部から水
分を除去することにより前記粉末を乾燥させろようにし
たものであり、粉末の乾燥過程でも粉末のブロック化現
象が起こらず、その結果湿式添加・混合・乾燥が一貫し
て行なえるものである。Aspect 1 of the Invention The present invention involves wet addition, mixing, and drying, and therefore provides a powder mixing and drying method with good workability. Structure of the Invention The powder mixing and drying method of the present invention has an opening in a part,
and a rigid drum with a protrusion on the inner surface or a polygonal inner surface with an opening in a part, and a soft drum containing powder with other substances added in the form of an aqueous solution, By rotating the soft drum while deforming the soft drum at the protrusion as the rigid drum rotates, the powder and the other substance are completely mixed, and the rigid drum and the soft drum are rotated. It is designed to dry the powder by removing moisture from the opening of the drum, and the powder blocking phenomenon does not occur even during the powder drying process, and as a result, wet addition, mixing, and drying can be performed consistently. It is something that
実施例の説明
以下、本発明の一実施例について図面全参照して説明す
る。DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to all the drawings.
第１図お上び第２図に示すように、鉄製の剛体ドラノ・
１の一部には開口部１’７３． ｆ有し、かつその内面
にｒｔなめらかな突起部１ｂを設けてあり、剛体ドラム
１ ｉＪ： １１−ラ３によって適正な回転が＋Ｊカさ
れろよりになっている。この陣１体ドラム１の内部に←
１［、一部に開１］部２ａを有するテフロン製の軟質ド
ラノ、２定設けてあり、剛体ドラム１の回転に伴って軟
質ドラム２が回転するようになっている（、
この・軟質ドラム２内に粉末およびその他の物質系水溶
液ｊｌＣ１，で添加する（以下これ金粉体４といつ）。As shown in Figures 1 and 2, a rigid iron drano
1 has an opening 1'73. The rigid drum 1 has a smooth protrusion 1b on its inner surface, and proper rotation is prevented by the rigid drum 1 iJ: 11-ra 3. This group is inside drum 1←
Two soft drums made of Teflon having a partially open part 2a are provided, and the soft drum 2 rotates as the rigid drum 1 rotates. 2 (hereinafter referred to as gold powder 4) and other substances as an aqueous solution jlC1.
「コーラ３により剛体ドラム１を回転させると、軟質ド
ラｊｘ ２ ＆：ｌ、粉体４の重量によって、剛体ドラ
ム１の突起部１ｂにより変形を受けながら回転Ｉ７、突
起部１ｂで粉体４が変形、かく拌される。``When the rigid drum 1 is rotated by the cola 3, the powder 4 is rotated I7 while being deformed by the protrusion 1b of the rigid drum 1 due to the weight of the soft drum jx 2 &:l and the powder 4, and the protrusion 1b causes the powder 4 to rotate. Deformed and stirred.
このよりにして、粉体４のかく拌全行なっていくと、粉
体４中の水分が剛体ドラム１の開口部１ａ、および軟質
ドラム２の開口部２ａから蒸発し除去されて、粉末の乾
燥が行なわれる。When the powder 4 is stirred completely in this way, the water in the powder 4 is evaporated and removed from the opening 1a of the rigid drum 1 and the opening 2a of the soft drum 2, and the powder is dried. will be carried out.
上記の混合・乾燥過程においては、剛体ドラム１の突起
部１ｂと軟質ドラム２との接触位置がたえず変化するの
で、軟質ドラム２に４勺着しかかった粉体や、特に乾燥
過程でブロック化しかかった粉体もほぐさ扛、このため
湿潤状態から乾燥状態に至る才で粉末のブロック化は起
こらない。In the above mixing/drying process, the contact position between the protrusion 1b of the rigid drum 1 and the soft drum 2 constantly changes, so that the powder that is about to stick to the soft drum 2 or become blocks especially during the drying process. The powder is also loosened, so that the powder does not form into blocks as it changes from a wet state to a dry state.
なお、剛体ドラム１に対する軟質ドラム２の出入れは、
剛体ドラム１の両端に設けた蓋１Ｃの開閉により行ない
、贅だ軟質ドラノ、２に対する粉体今の充填および取ｔ
ＢＬは軟質ドラム２の開口部２ａ全通して行なう。In addition, the insertion and removal of the soft drum 2 with respect to the rigid drum 1 is as follows.
This is done by opening and closing lids 1C provided at both ends of the rigid drum 1 to fill and remove powder from the soft drum 2.
BL is performed through the entire opening 2a of the soft drum 2.
なお、上記装置では、粉末の乾燥を促進させるために、
加熱装置５を設けてあり、さらに溶媒蒸気を速やかに除
去するために、空気吹込み管６を設けである。吹込み空
気全加熱寸たは減圧すると、その効果が太さい。In addition, in the above device, in order to accelerate the drying of the powder,
A heating device 5 is provided, and an air blowing tube 6 is also provided for rapid removal of solvent vapor. The effect is greater when the blown air is fully heated or depressurized.
本発明の方法によＶ得られた粉末は、均一な混合性を有
し、かつブロック化も起こらないので、＠ちに次工程へ
移行させることかでさるものである。The powder obtained by the method of the present invention has uniform mixability and does not form blocks, so it can be immediately transferred to the next step.
次て、本発明の方法による実験結果を従来のニーダーミ
キザーによる方法の結果と対比して下表に示す。Next, the experimental results obtained by the method of the present invention are shown in the table below in comparison with the results obtained by the method using a conventional kneader mixer.
この実験例は、粉末にはタングステン粉末金。In this experimental example, the powder is tungsten powder gold.
他の物質には酸化トリウム全それぞれ用い、タングステ
ン粉末に対［７てトリウム水溶液′ｆｆ：２０ Ｖｏｌ
、４ｔ％添加して行なったものである。For other substances, thorium oxide was used, and for tungsten powder, thorium aqueous solution'ff: 20 Vol.
, 4t% was added.
」−表から明らかなように、本発明の方法によると、乾
燥過程での粉末のブＤ７り化を防止することができるこ
とがわかる。” - As is clear from the table, it is seen that according to the method of the present invention, it is possible to prevent the powder from becoming brittle during the drying process.
なお、本発明の方法全実施するのに用いる剛体ドラムの
内面形状に関し、上記実施例のように突起部を設けたも
ののほか、棒材を円筒状に並べ相互に結合してドラムを
形成することで内面に、突起部金膜けたものでもよく、
才たけ内面を多角形状にしたものでも、所期の効果が得
られるものである。Regarding the inner surface shape of the rigid drum used to carry out all the methods of the present invention, in addition to the one provided with protrusions as in the above embodiment, the drum may be formed by arranging rods in a cylindrical shape and connecting them to each other. The inner surface may have a gold film on the protrusion,
The desired effect can also be obtained even if the inner surface is polygonal.
発明の効果
以−に説明したように、本発明によると、粉末と他の物
質との混合過程はもとより、粉末の乾燥過程でのブロッ
ク止金防止することかでさ、湿式添加・混合・乾燥を一
貫して行なうことがでさ、粉末処理作業の著しい簡略化
全図ることかでさる粉末の混合乾燥方法全提供すること
かでさるものである。Effects of the Invention As explained above, according to the present invention, it is possible to prevent blocking not only during the mixing process of powder and other substances but also during the drying process of powder, wet addition, mixing, and drying. It is particularly important to provide a complete method for mixing and drying powders, thereby significantly simplifying powder processing operations.
第１図は本発明の方法を実施する装置の一例を示す正面
断面図、第２図は同じ＜ （１１！１面図である。
１・・・・剛体ドラム、１ａ−・ 開口部、１ｂ・・・
・突起部、１Ｃ・・・蓋、２・・・・・軟質ドラム、２
？Ｌ・・・・・開口部、３・・・・・・ローン、４・・
・・・・粉体。
代理人の氏名 弁理士 中 尾 敏 男 ほか１名第１
図FIG. 1 is a front sectional view showing an example of an apparatus for implementing the method of the present invention, and FIG. 2 is a front view of the same < (11!). 1... Rigid drum, 1a-- Opening, 1b ...
・Protrusion, 1C...Lid, 2...Soft drum, 2
? L...Opening, 3...Loan, 4...
····powder. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
figure
Claims (1)
、内面が多角形状の剛体ドラムの内部に、一部に開１０
部金有し、粉末に他の物質全水溶液状にして添加したく
、の金入れた較質ドラム金設け、前記剛体ドラムの回転
に伴って、前記突起部にて前記軟質ドラム金変形させな
がら、この軟質ドラムを回転させろことによって、前記
粉末と前記他の物質と全混合し、かつ前記剛体ドラムお
よび前記軟質ドラムの開口部から水分を除去することに
より前記粉末全乾燥することを特徴とする粉末の混合乾
燥方法。Partially open 1.1 Partly open 10
A calibrating drum containing metal is provided, and as the rigid drum rotates, the soft drum metal is deformed by the protrusion. The powder is completely mixed with the other substances by rotating the soft drum, and the powder is completely dried by removing moisture from the openings of the rigid drum and the soft drum. Method of mixing and drying powders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8302483A JPS59208382A (en) | 1983-05-12 | 1983-05-12 | Method of mixing and drying powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8302483A JPS59208382A (en) | 1983-05-12 | 1983-05-12 | Method of mixing and drying powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59208382A true JPS59208382A (en) | 1984-11-26 |
| JPH0450511B2 JPH0450511B2 (en) | 1992-08-14 |
Family
ID=13790665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8302483A Granted JPS59208382A (en) | 1983-05-12 | 1983-05-12 | Method of mixing and drying powder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59208382A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51161785U (en) * | 1975-06-18 | 1976-12-23 | ||
| JPS5218467U (en) * | 1975-07-29 | 1977-02-09 | ||
| JPS54133405A (en) * | 1978-03-31 | 1979-10-17 | Bethlehem Steel Corp | Mixer block for rotary drum |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5218467B2 (en) * | 1972-05-01 | 1977-05-21 |
-
1983
- 1983-05-12 JP JP8302483A patent/JPS59208382A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51161785U (en) * | 1975-06-18 | 1976-12-23 | ||
| JPS5218467U (en) * | 1975-07-29 | 1977-02-09 | ||
| JPS54133405A (en) * | 1978-03-31 | 1979-10-17 | Bethlehem Steel Corp | Mixer block for rotary drum |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0450511B2 (en) | 1992-08-14 |
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