JP5940442B2 - 揚砂設備、及びその運転方法 - Google Patents
揚砂設備、及びその運転方法 Download PDFInfo
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- JP5940442B2 JP5940442B2 JP2012266515A JP2012266515A JP5940442B2 JP 5940442 B2 JP5940442 B2 JP 5940442B2 JP 2012266515 A JP2012266515 A JP 2012266515A JP 2012266515 A JP2012266515 A JP 2012266515A JP 5940442 B2 JP5940442 B2 JP 5940442B2
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- sand
- pipe
- suction pipe
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- 239000004576 sand Substances 0.000 title claims description 198
- 238000000034 method Methods 0.000 title claims description 31
- 238000005086 pumping Methods 0.000 title claims description 29
- 238000011084 recovery Methods 0.000 claims description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 44
- 239000013049 sediment Substances 0.000 claims description 7
- 230000034994 death Effects 0.000 claims description 3
- 231100000517 death Toxicity 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 238000007654 immersion Methods 0.000 claims 1
- 238000004062 sedimentation Methods 0.000 description 19
- 238000009412 basement excavation Methods 0.000 description 7
- 238000011001 backwashing Methods 0.000 description 5
- 239000004575 stone Substances 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Description
Claims (3)
- 沈砂池の集砂ピットに溜まった沈砂を沈砂分離装置へ揚砂する揚砂設備であって、
本体部に加圧水を通じることにより前記集砂ピットに溜まった前記沈砂を吸込管を通して吸い込み前記加圧水と共に前記沈砂分離装置へ揚砂管を通して揚砂するジェットポンプと、
前記揚砂管から分岐し、砂没発生時に、前記吸込管に吸い込まれた前記沈砂を前記加圧水と共に前記沈砂池に戻す砂没時機能回復管と、
前記吸込管に吸い込まれた前記沈砂が流れる管を前記揚砂管と前記砂没時機能回復管との間で選択的に切り替える切替え手段と、を備え、
前記砂没時機能回復管の揚程は、前記揚砂管の揚程よりも低く、
前記砂没時機能回復管の直径は、前記吸込管の直径以上である、揚砂設備。 - 前記沈砂分離装置の状態に基づいて前記切替え手段を制御する制御部を備える、請求項1記載の揚砂設備。
- 請求項1記載の揚砂設備の運転方法であって、
通常時は、前記切替え手段を操作することにより、前記吸込管に吸い込まれた前記沈砂が前記揚砂管に流れるように、且つ前記砂没時機能回復管に流れないように運転し、
前記沈砂分離装置の状態が正常でない場合は、前記吸込管に吸い込まれた前記沈砂が前記砂没時機能回復管に流れるように、且つ前記揚砂管に流れないように前記切替え手段を操作する、揚砂設備の運転方法。
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JP2012266515A JP5940442B2 (ja) | 2012-12-05 | 2012-12-05 | 揚砂設備、及びその運転方法 |
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JP2012266515A JP5940442B2 (ja) | 2012-12-05 | 2012-12-05 | 揚砂設備、及びその運転方法 |
Publications (3)
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JP2014111241A JP2014111241A (ja) | 2014-06-19 |
JP2014111241A5 JP2014111241A5 (ja) | 2015-03-05 |
JP5940442B2 true JP5940442B2 (ja) | 2016-06-29 |
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JP2012266515A Active JP5940442B2 (ja) | 2012-12-05 | 2012-12-05 | 揚砂設備、及びその運転方法 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6834095B2 (ja) * | 2017-01-16 | 2021-02-24 | 前澤工業株式会社 | メタン発酵槽 |
JP6915210B2 (ja) * | 2017-06-05 | 2021-08-04 | 前澤工業株式会社 | メタン発酵槽 |
JP6473787B1 (ja) * | 2017-09-05 | 2019-02-20 | 株式会社日立製作所 | 揚砂装置及び揚砂方法 |
JP6853918B2 (ja) * | 2019-09-13 | 2021-04-07 | 大阪市 | 固液分離システムおよび固液分離方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2007111683A (ja) * | 2005-10-24 | 2007-05-10 | Sumitomo Heavy Ind Ltd | 揚砂設備及び揚砂方法 |
JP4803818B2 (ja) * | 2007-01-11 | 2011-10-26 | 株式会社タクマ | 沈砂処理設備と沈砂処理方法 |
JP5465638B2 (ja) * | 2010-09-02 | 2014-04-09 | 住友重機械エンバイロメント株式会社 | 沈砂分離システム及び沈砂池設備用分水器 |
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