JPH045237U - - Google Patents
Info
- Publication number
- JPH045237U JPH045237U JP4681890U JP4681890U JPH045237U JP H045237 U JPH045237 U JP H045237U JP 4681890 U JP4681890 U JP 4681890U JP 4681890 U JP4681890 U JP 4681890U JP H045237 U JPH045237 U JP H045237U
- Authority
- JP
- Japan
- Prior art keywords
- medium
- gap
- rotor
- stator
- sand mill
- 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
- 239000011324 bead Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000000926 separation method Methods 0.000 claims description 4
- 239000002609 medium Substances 0.000 claims 7
- 239000000919 ceramic Substances 0.000 claims 1
- 239000002612 dispersion medium Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000002474 experimental method Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Crushing And Grinding (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Description
第１図及び第２図は、それぞれ本考案のサンド
ミルにおける媒体分離装置の要部を図式的に示す
断面図、第３図及び第４図は、それぞれ従来のサ
ンドミルにおける媒体分離装置の要部を図式的に
示す断面図、第５図は、ローターとステーターと
の間隙が媒体（ビーズ）径の1/2であるときの、
媒体（ビーズ）と間隙部との接触状態を示す拡大
断面図、第６図は、ローターとステーターとの間
隙が媒体（ビーズ）径の1/3であるときの媒体（
ビーズ）と間隙部との接触状態を示す拡大断面図
、第７図は、直径６０mmのローターを用いビーズ
なしでローター周速を８ｍ／ｓｏｃで回転せしめ
て粘度６．０Ｐｏｉｓｅの錆止め塗料を用いて実
験したときの流量Ｑと間隙δとの関係を示すグラ
フ。第８図は、第７図と同じローターの条件で錆
止め塗料の粘度を替えて実験したときの流量Ｑと
間隙部の重なり幅Ｌとの関係を示すグラフ。
１……ベセル、２……ステーター、３……攪拌
羽根、４……ローター、５……ビーズ（媒体）、
６……攪拌軸、δ……間隙、Ｌ……間隙の重なり
幅。
1 and 2 are sectional views schematically showing the main parts of the media separation device in the sand mill of the present invention, and FIGS. 3 and 4 respectively show the main parts of the media separation device in the conventional sand mill. A schematic cross-sectional view, FIG. 5, shows the case where the gap between the rotor and the stator is 1/2 of the diameter of the medium (beads).
Figure 6, an enlarged cross-sectional view showing the contact state between the medium (beads) and the gap, shows the medium (beads) when the gap between the rotor and the stator is 1/3 of the medium (bead) diameter.
Figure 7 is an enlarged sectional view showing the state of contact between beads) and the gap, using a rotor with a diameter of 60 mm, rotating at a circumferential speed of 8 m/soc without beads, and using anti-rust paint with a viscosity of 6.0 Poise. A graph showing the relationship between the flow rate Q and the gap δ during an experiment. FIG. 8 is a graph showing the relationship between the flow rate Q and the overlapping width L of the gap when an experiment was conducted under the same rotor conditions as in FIG. 7 but with different viscosity of the rust-preventing paint. 1... Vessel, 2... Stator, 3... Stirring blade, 4... Rotor, 5... Beads (medium),
6...Stirring shaft, δ...Gap, L...Gap overlap width.
Claims (1)
根３により媒質を攪拌分散せしめるサンドミルに
おいて、ベセル１内に固定したステーター２と、
該ステーターに対向して攪拌軸６に同芯に攪拌羽
根３と共に回転するごとく付設したローター４と
の間隙δに、分散された媒質と分散媒体との混合
物を通過させることにより、媒質と媒体とを分離
するごとく配設された媒質分離装置であつて、ス
テーター２とローター４との間隙δの重なり幅Ｌ
をＬ≦１．５mmに、間隙δをδ≦０．２mmに形成
し、媒体として少くとも０．７mm以下の小径ビー
ズ５を使用するようにしたことを特徴とするサン
ドミルにおける媒体分離装置。 ２ ステーター２とローター４との間隙δに接す
る部分の材質が、それぞれ超硬合金乃至セラミツ
クで形成されていることを特徴とする請求項１記
載のサンドミルにおける媒体分離装置。[Claims for Utility Model Registration] 1. In a sand mill in which a medium is mixed in a vessel 1 and the medium is stirred and dispersed by a stirring blade 3, a stator 2 fixed in the vessel 1;
By passing the mixture of the dispersed medium and the dispersion medium through a gap δ between the rotor 4 and the rotor 4, which is attached to the stirring shaft 6 so as to rotate concentrically with the stirring blades 3, facing the stator, the medium and the medium are separated. The overlapping width L of the gap δ between the stator 2 and the rotor 4 is
A medium separation device for a sand mill, characterized in that L≦1.5 mm, a gap δ is formed such that δ≦0.2 mm, and small diameter beads 5 of at least 0.7 mm or less are used as the medium. 2. The media separation device for a sand mill according to claim 1, wherein the material of the portion of the stator 2 and the rotor 4 that is in contact with the gap δ is made of cemented carbide or ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4681890U JPH0632197Y2 (en) | 1990-05-01 | 1990-05-01 | Media separation device in sand mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4681890U JPH0632197Y2 (en) | 1990-05-01 | 1990-05-01 | Media separation device in sand mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH045237U true JPH045237U (en) | 1992-01-17 |
| JPH0632197Y2 JPH0632197Y2 (en) | 1994-08-24 |
Family
ID=31562221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4681890U Expired - Lifetime JPH0632197Y2 (en) | 1990-05-01 | 1990-05-01 | Media separation device in sand mill |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0632197Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013084981A1 (en) * | 2011-12-09 | 2013-06-13 | アシザワ・ファインテック株式会社 | Horizontal dry mill |
-
1990
- 1990-05-01 JP JP4681890U patent/JPH0632197Y2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013084981A1 (en) * | 2011-12-09 | 2013-06-13 | アシザワ・ファインテック株式会社 | Horizontal dry mill |
| JP2013119085A (en) * | 2011-12-09 | 2013-06-17 | Ashizawa Finetech Ltd | Horizontal dry grinder |
| US9511374B2 (en) | 2011-12-09 | 2016-12-06 | Ashizawa Finetech Ltd. | Horizontal dry mill |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0632197Y2 (en) | 1994-08-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |