JP4917073B2 - 移動床式砂ろ過装置 - Google Patents
移動床式砂ろ過装置 Download PDFInfo
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- JP4917073B2 JP4917073B2 JP2008144878A JP2008144878A JP4917073B2 JP 4917073 B2 JP4917073 B2 JP 4917073B2 JP 2008144878 A JP2008144878 A JP 2008144878A JP 2008144878 A JP2008144878 A JP 2008144878A JP 4917073 B2 JP4917073 B2 JP 4917073B2
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- Prior art keywords
- lift pipe
- pipe
- air
- air lift
- sand
- 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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- 239000004576 sand Substances 0.000 title claims description 58
- 239000000463 material Substances 0.000 claims description 60
- 238000001914 filtration Methods 0.000 claims description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 238000009287 sand filtration Methods 0.000 claims description 21
- 238000000926 separation method Methods 0.000 claims description 19
- 238000005406 washing Methods 0.000 claims description 19
- 238000005299 abrasion Methods 0.000 claims description 3
- 239000006185 dispersion Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 230000001681 protective effect Effects 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010276 construction Methods 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
- 230000007423 decrease Effects 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Description
Claims (5)
- 原水をろ過するろ材としての砂を収容するろ過槽と、
前記ろ過槽内に立設され、前記ろ材を吸込む吸込口を有するエアリフト管と、
前記原水を前記ろ過槽内の前記ろ材内に供給する原水供給管と、
前記エアリフト管の途中に合流するように該エアリフト管の側壁に接合され、該エアリフト管内に側方から圧縮空気を供給するエア供給管と、を備え、
前記エア供給管から送られる圧縮空気を前記エアリフト管内で流動させることにより、前記ろ過槽内の前記ろ材を前記吸込口から吸い込んで前記エアリフト管内で流動させるようにした移動床式砂ろ過装置において、
前記エアリフト管と前記エア供給管との接続部分の対向側に耐磨耗材を備え、
前記耐磨耗材は前記エアリフト管と前記エア供給管との接続部分の対向側の前記エアリフト管外壁面に位置することを特徴とする移動床式砂ろ過装置。 - 前記耐磨耗材は可撓性を有することを特徴とする請求項1に記載の移動床式砂ろ過装置。
- 前記耐磨耗材と前記エアリフト管の外壁面との間に間隙を備えることを特徴とする請求項1又は2に記載の移動床式砂ろ過装置。
- 前記耐磨耗材の背面を覆う背板と、前記耐磨耗材の周縁を囲むように前記背板から立設されたリブとを有する支持体を備え、
前記支持体は、前記耐磨耗材を内部に支持した状態で前記リブを介して前記エアリフト管に固定されていることを特徴とする請求項1から3の何れか一項に記載の移動床式砂ろ過装置。 - 前記エアリフト管で搬送された前記砂に付着した濁質を分離除去し、前記砂を前記ろ過槽に戻す洗浄砂分離槽を更に備えたことを特徴とする請求項1から4の何れか一項に記載の移動床式砂ろ過装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008144878A JP4917073B2 (ja) | 2008-06-02 | 2008-06-02 | 移動床式砂ろ過装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008144878A JP4917073B2 (ja) | 2008-06-02 | 2008-06-02 | 移動床式砂ろ過装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009291670A JP2009291670A (ja) | 2009-12-17 |
JP4917073B2 true JP4917073B2 (ja) | 2012-04-18 |
Family
ID=41540361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008144878A Active JP4917073B2 (ja) | 2008-06-02 | 2008-06-02 | 移動床式砂ろ過装置 |
Country Status (1)
Country | Link |
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JP (1) | JP4917073B2 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011084172A1 (en) * | 2010-01-08 | 2011-07-14 | Parkson Corporation | Apparatus for treating liquid containing impurities |
JP5871678B2 (ja) * | 2012-03-21 | 2016-03-01 | 三機工業株式会社 | 移床式砂濾過装置のエアリフト管 |
CA2991010A1 (en) * | 2015-07-03 | 2017-01-12 | Paques I.P. B.V. | Apparatus and method for purification of a fluid by means of a filter bed |
DE102016100963A1 (de) * | 2016-01-21 | 2017-07-27 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Luftversorgungsanlage |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61135510A (ja) * | 1984-12-05 | 1986-06-23 | みのる産業株式会社 | 点播用種子板 |
JPS6375395A (ja) * | 1986-09-17 | 1988-04-05 | Asahi Kogyo Kk | ポンプ |
JPS643297A (en) * | 1987-06-25 | 1989-01-09 | Asahi Kogyo Co Ltd | Pump |
JPH0771807B2 (ja) * | 1988-08-08 | 1995-08-02 | 三菱重工業株式会社 | 型締装置 |
JP3139732B2 (ja) * | 1995-05-22 | 2001-03-05 | 株式会社荏原製作所 | 移床式連続濾過装置 |
JP3842032B2 (ja) * | 2000-10-30 | 2006-11-08 | 株式会社荏原製作所 | 移床式上向流濾過装置 |
-
2008
- 2008-06-02 JP JP2008144878A patent/JP4917073B2/ja active Active
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Publication number | Publication date |
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JP2009291670A (ja) | 2009-12-17 |
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