JP5660343B2 - 溶射装置 - Google Patents
溶射装置 Download PDFInfo
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- JP5660343B2 JP5660343B2 JP2013052973A JP2013052973A JP5660343B2 JP 5660343 B2 JP5660343 B2 JP 5660343B2 JP 2013052973 A JP2013052973 A JP 2013052973A JP 2013052973 A JP2013052973 A JP 2013052973A JP 5660343 B2 JP5660343 B2 JP 5660343B2
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- JP
- Japan
- Prior art keywords
- raw material
- material powder
- valve
- ejector
- check valve
- 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.)
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- 239000007921 spray Substances 0.000 title description 31
- 239000000843 powder Substances 0.000 claims description 132
- 239000002994 raw material Substances 0.000 claims description 106
- 238000007751 thermal spraying Methods 0.000 claims description 40
- 239000000463 material Substances 0.000 claims description 18
- 239000012159 carrier gas Substances 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 11
- 238000005507 spraying Methods 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 17
- 239000001301 oxygen Substances 0.000 description 17
- 229910052760 oxygen Inorganic materials 0.000 description 17
- 230000008439 repair process Effects 0.000 description 11
- 230000032258 transport Effects 0.000 description 11
- 239000002184 metal Substances 0.000 description 10
- 238000002485 combustion reaction Methods 0.000 description 9
- 239000007789 gas Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 5
- 230000004044 response Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000007664 blowing Methods 0.000 description 4
- 238000004880 explosion Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000037237 body shape Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000010285 flame spraying Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
- 235000005282 vitamin D3 Nutrition 0.000 description 1
- 239000011647 vitamin D3 Substances 0.000 description 1
Images
Landscapes
- Nozzles (AREA)
- Coating By Spraying Or Casting (AREA)
Description
1a 払い出し口
2 逆止弁
2a 弁座部
2b 弁体
2c 出口
2d 取付座
2e 弁口
3 エジェクター
3a 吸引部(エジェクターの入口)
4 エジェクターノズル
5 ディフューザー
6 供給ホース
7 溶射ランス
10 溶射装置
Claims (5)
- 可燃性粉体と耐火性粉体とを含む原料粉体を支燃性のキャリアガスとともに搬送し、被施工体に噴射して耐火組成物を形成する溶射装置であって、
エジェクターノズルを備え、当該エジェクターノズルから加圧された前記キャリアガスを噴出し、エジェクター効果により前記キャリアガスと前記原料粉体とを混合して下流側へ送出するエジェクターと、
前記エジェクターの上方に配置され、前記キャリアガスに混合される前記原料粉体を収容するホッパーと、
前記ホッパーの払い出し口から前記エジェクターの入口まで前記原料粉体を搬送する搬送路と
前記搬送路に設けられ、前記ホッパーの払い出し口から排出された原料粉体が重力による自然降下によって流入するとともに、前記エジェクターの内圧上昇に伴って開状態から閉状態になる逆止弁と、
前記逆止弁の出口から前記エジェクターの入口までの前記搬送路に設けられ、前記原料 粉体の搬送断面積が前記ホッパーの払い出し口から前記逆止弁の入口までの前記搬送路における前記原料粉体の最小搬送断面積よりも小さい狭窄部と、
を備える溶射装置。 - 前記搬送路の全域において、前記原料粉体は重力による自然降下によって搬送される請求項1に記載の溶射装置。
- 前記逆止弁の出口における前記原料粉体の搬送断面積が、前記ホッパーの払い出し口から前記逆止弁の入口までの前記搬送路における前記原料粉体の最小搬送断面積よりも小さく、前記逆止弁の出口から前記エジェクターの入口までの前記搬送路において、前記逆止弁の出口が最大の搬送断面積を有する、請求項1又は請求項2に記載の溶射装置。
- 前記逆止弁が、
前記ホッパーの払い出し口に配置され、前記原料粉体が通過する円形状の弁口を有する弁座部と、
前記弁座部の鉛直下方に配置され、前記弁座部に着座して前記弁口を閉弁する平面視円形かつ弁座部側に突出する形状を有する弁体と、
を備える請求項1から請求項3のいずれか1項に記載の溶射装置。 - 前記逆止弁が前記弁体を鉛直方向にのみ案内するガイドを備える請求項4に記載の溶射装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013052973A JP5660343B2 (ja) | 2013-03-15 | 2013-03-15 | 溶射装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013052973A JP5660343B2 (ja) | 2013-03-15 | 2013-03-15 | 溶射装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014176820A JP2014176820A (ja) | 2014-09-25 |
JP5660343B2 true JP5660343B2 (ja) | 2015-01-28 |
Family
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---|---|---|---|
JP2013052973A Active JP5660343B2 (ja) | 2013-03-15 | 2013-03-15 | 溶射装置 |
Country Status (1)
Country | Link |
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JP (1) | JP5660343B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6619901B1 (ja) * | 2019-05-21 | 2019-12-11 | 黒崎播磨株式会社 | 溶射方法 |
WO2020235379A1 (ja) * | 2019-05-22 | 2020-11-26 | 東京エレクトロン株式会社 | 粉末カートリッジ及び粉末供給方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55111859A (en) * | 1979-02-21 | 1980-08-28 | Nippon Sanso Kk | Supplying method of pulverized material to be flame-sprayed |
JPS629963Y2 (ja) * | 1980-03-28 | 1987-03-09 | ||
JPS60187668A (ja) * | 1984-03-07 | 1985-09-25 | Honda Motor Co Ltd | 粉末材の搬送方法 |
JP2689014B2 (ja) * | 1990-07-24 | 1997-12-10 | 協和醗酵工業株式会社 | 固形物材料の気力輸送システム |
JPH08109461A (ja) * | 1994-10-13 | 1996-04-30 | Kurosaki Refract Co Ltd | 耐火物溶射のための粉体供給方法 |
JPH1059542A (ja) * | 1996-08-21 | 1998-03-03 | Shohei Senda | 粉粒体供給装置 |
JP4915905B2 (ja) * | 2006-03-06 | 2012-04-11 | 日本特殊炉材株式会社 | 溶射装置 |
-
2013
- 2013-03-15 JP JP2013052973A patent/JP5660343B2/ja active Active
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