JP4982612B1 - ろ過システム - Google Patents
ろ過システム Download PDFInfo
- Publication number
- JP4982612B1 JP4982612B1 JP2011020864A JP2011020864A JP4982612B1 JP 4982612 B1 JP4982612 B1 JP 4982612B1 JP 2011020864 A JP2011020864 A JP 2011020864A JP 2011020864 A JP2011020864 A JP 2011020864A JP 4982612 B1 JP4982612 B1 JP 4982612B1
- Authority
- JP
- Japan
- Prior art keywords
- water
- floating filter
- treated
- filtration
- filtration tank
- 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.)
- Active
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 269
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 282
- 238000011001 backwashing Methods 0.000 claims abstract description 49
- 239000000463 material Substances 0.000 claims abstract description 42
- 230000000903 blocking effect Effects 0.000 claims abstract description 21
- 238000007599 discharging Methods 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims 2
- 239000010410 layer Substances 0.000 description 86
- 239000010865 sewage Substances 0.000 description 34
- 239000007787 solid Substances 0.000 description 27
- 239000000706 filtrate Substances 0.000 description 11
- 239000002245 particle Substances 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/002—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
- B01D24/16—Upward filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/10—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being held in a closed container
- B01D24/16—Upward filtration
- B01D24/165—Upward filtration the filtering material being supported by pervious surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/20—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being provided in an open container
- B01D24/26—Upward filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/20—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being provided in an open container
- B01D24/26—Upward filtration
- B01D24/263—Upward filtration the filtering material being supported by pervious surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/28—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed moving during the filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/05—Floating filters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
- C02F1/004—Processes for the treatment of water whereby the filtration technique is of importance using large scale industrial sized filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/007—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in series connection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/005—Valves
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
【解決手段】第1浮上ろ材層と、第1浮上ろ材層の上方で浮上ろ材を支持する第1開口率の第1上部スクリーンと、第1浮上ろ材層の下方に配設された第1被処理水流入口と、第1上部スクリーンの上方に位置する第1逆洗水供給源と、第1浮上ろ材層の下方に配設された第1逆洗水排出手段とを有する第1のろ過槽と、第2浮上ろ材層と、第2浮上ろ材層の上方で浮上ろ材を支持する第2開口率の第2上部スクリーンと、第2浮上ろ材層の下方に配設された第2被処理水流入口と、第2被処理水流入口を介した被処理水の流入を遮断可能な流入遮断機構と、第2上部スクリーンの上方に位置する第2逆洗水供給源と、第2浮上ろ材層の下方に配設された第2逆洗水排出手段とを有する第2のろ過槽とを備え、第1開口率が第2開口率よりも小さいろ過システムである。
【選択図】図1
Description
ろ過システム100では、雨水が流入しない晴天時には、微小なSSを高濃度で含む汚水のみが処理されることとなり、被処理水の流量は、雨天時と比較して少なくなる。
一方、このろ過システム100では、汚水以外に雨水も流入する雨天時には、比較的粗大なSSを含む雨水と汚水との合流水が処理されることとなり、被処理水の流量は、晴天時と比較して多くなる。具体的には、雨天時の被処理水の流量は晴天時の2〜10倍になる。
110 被処理水流路
111A〜111E 流入弁
120A〜120E 調圧部
130A〜130E ろ過槽
131A 被処理水流入口
132 浮上ろ材
132A〜132E 浮上ろ材層
133A〜133E 上部スクリーン
134A〜134E 逆洗水配管
135A〜135E 逆洗弁
140 ろ過水貯留部
150 ろ過水流路
200 ろ過システム
210 被処理水槽
211A〜211E 流入弁
221A〜221E 被処理水流入管
220A〜220E 調圧部
230A〜230E ろ過槽
231A〜231E 被処理水流入口
232 浮上ろ材
232A〜232E 浮上ろ材層
233A〜233E 上部スクリーン
234A〜234E 逆洗水配管
235A〜235E 逆洗弁
240 ろ過水貯留部
250 ろ過水流路
Claims (4)
- 被処理水をろ過する複数のろ過槽を有するろ過システムであって、
浮上ろ材からなる第1浮上ろ材層と、該第1浮上ろ材層の上方に配設されて浮上ろ材を支持する第1開口率の第1上部スクリーンと、前記第1浮上ろ材層よりも下方に配設された第1被処理水流入口と、前記第1上部スクリーンよりも上方に位置する第1逆洗水供給源と、前記第1浮上ろ材層よりも下方に配設されて第1浮上ろ材層の逆洗時に前記第1逆洗水供給源から供給された逆洗水を排出する第1逆洗水排出手段とを有する第1のろ過槽と、
浮上ろ材からなる第2浮上ろ材層と、該第2浮上ろ材層の上方に配設されて浮上ろ材を支持する第2開口率の第2上部スクリーンと、前記第2浮上ろ材層よりも下方に配設された第2被処理水流入口と、該第2被処理水流入口を介した被処理水の流入を遮断可能な流入遮断機構と、前記第2上部スクリーンよりも上方に位置する第2逆洗水供給源と、前記第2浮上ろ材層よりも下方に配設されて第2浮上ろ材層の逆洗時に前記第2逆洗水供給源から供給された逆洗水を排出する第2逆洗水排出手段とを有する第2のろ過槽と、
を備え、前記第1開口率が、前記第2開口率よりも小さいことを特徴とする、ろ過システム。 - 前記第1開口率が0.5〜5%であり、前記第2開口率が2〜30%であることを特徴とする、請求項1に記載のろ過システム。
- 前記第1のろ過槽の面積が、前記第2のろ過槽の面積の0.5〜2倍であることを特徴とする、請求項1または2に記載のろ過システム。
- 前記第1被処理水流入口を介した被処理水の流入を遮断可能な流入遮断機構を更に備える、請求項1〜3の何れかに記載のろ過システム。
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011020864A JP4982612B1 (ja) | 2011-02-02 | 2011-02-02 | ろ過システム |
CN2011200869199U CN202070206U (zh) | 2011-02-02 | 2011-03-25 | 过滤装置 |
EP12741606.3A EP2671621B1 (en) | 2011-02-02 | 2012-01-18 | Filtration system |
CA2826069A CA2826069C (en) | 2011-02-02 | 2012-01-18 | Filtration system |
US13/979,709 US10407317B2 (en) | 2011-02-02 | 2012-01-18 | Floating filter media filtration system with backwash |
PCT/JP2012/000281 WO2012105172A1 (ja) | 2011-02-02 | 2012-01-18 | ろ過システム |
PL12741606T PL2671621T3 (pl) | 2011-02-02 | 2012-01-18 | Filtracyjny system |
KR1020137020536A KR101451348B1 (ko) | 2011-02-02 | 2012-01-18 | 여과 시스템 |
AU2012212970A AU2012212970B2 (en) | 2011-02-02 | 2012-01-18 | Filtration system |
TW101103348A TW201233425A (en) | 2011-02-02 | 2012-02-02 | Filtration system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011020864A JP4982612B1 (ja) | 2011-02-02 | 2011-02-02 | ろ過システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP4982612B1 true JP4982612B1 (ja) | 2012-07-25 |
JP2012157842A JP2012157842A (ja) | 2012-08-23 |
Family
ID=45108322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011020864A Active JP4982612B1 (ja) | 2011-02-02 | 2011-02-02 | ろ過システム |
Country Status (10)
Country | Link |
---|---|
US (1) | US10407317B2 (ja) |
EP (1) | EP2671621B1 (ja) |
JP (1) | JP4982612B1 (ja) |
KR (1) | KR101451348B1 (ja) |
CN (1) | CN202070206U (ja) |
AU (1) | AU2012212970B2 (ja) |
CA (1) | CA2826069C (ja) |
PL (1) | PL2671621T3 (ja) |
TW (1) | TW201233425A (ja) |
WO (1) | WO2012105172A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3429719B1 (en) | 2016-03-18 | 2021-10-13 | Parkson Corporation | Improved method for cleaning filtration system media |
US10913667B2 (en) * | 2017-12-08 | 2021-02-09 | Westech Engineering, Inc. | Multi-media clarification systems and methods |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1483205A (fr) * | 1965-06-14 | 1967-06-02 | Chepos Zd Y Chemickeho A Potra | Filtre pour épuration de liquides |
JP3734227B2 (ja) * | 1991-10-18 | 2006-01-11 | 三井造船株式会社 | 上向流式高速濾過装置 |
DE19546109A1 (de) * | 1995-12-11 | 1997-06-12 | Bergen Peter Prof Dipl Ing Dr | Verfahren und Vorrichtung zum Betrieb eines Schwimmkornfilters |
US6110389A (en) * | 1997-10-10 | 2000-08-29 | Horowitz; Amikam | Filtration unit |
EP1369157B1 (en) | 2001-03-13 | 2007-09-26 | Ngk Insulators, Ltd. | High rate filter and high rate filtration method using the filter |
JP3824583B2 (ja) * | 2001-04-04 | 2006-09-20 | 日本碍子株式会社 | 合流式下水道における雨水処理装置及びその逆洗方法 |
JP2003136088A (ja) * | 2001-11-06 | 2003-05-13 | Ngk Insulators Ltd | 合流式下水道における下水処理方法及び装置 |
JP2004290752A (ja) * | 2003-03-26 | 2004-10-21 | Ngk Insulators Ltd | 合流下水の高速ろ過方法 |
JP4284222B2 (ja) * | 2004-03-26 | 2009-06-24 | メタウォーター株式会社 | ろ過槽 |
KR100681715B1 (ko) | 2005-04-06 | 2007-02-15 | 주식회사 동호이엔씨 | 상향류식 다단 여과장치 |
JP4585403B2 (ja) * | 2005-08-02 | 2010-11-24 | メタウォーター株式会社 | 雨天時下水及び二次処理水の処理方法 |
KR100803713B1 (ko) | 2007-12-03 | 2008-02-15 | 주식회사 무진하이테크 | 간이 상수도 여과장치 |
-
2011
- 2011-02-02 JP JP2011020864A patent/JP4982612B1/ja active Active
- 2011-03-25 CN CN2011200869199U patent/CN202070206U/zh not_active Expired - Lifetime
-
2012
- 2012-01-18 AU AU2012212970A patent/AU2012212970B2/en active Active
- 2012-01-18 KR KR1020137020536A patent/KR101451348B1/ko active IP Right Grant
- 2012-01-18 CA CA2826069A patent/CA2826069C/en active Active
- 2012-01-18 WO PCT/JP2012/000281 patent/WO2012105172A1/ja active Application Filing
- 2012-01-18 PL PL12741606T patent/PL2671621T3/pl unknown
- 2012-01-18 US US13/979,709 patent/US10407317B2/en active Active
- 2012-01-18 EP EP12741606.3A patent/EP2671621B1/en active Active
- 2012-02-02 TW TW101103348A patent/TW201233425A/zh unknown
Also Published As
Publication number | Publication date |
---|---|
EP2671621A1 (en) | 2013-12-11 |
EP2671621A4 (en) | 2014-12-10 |
US20130299409A1 (en) | 2013-11-14 |
PL2671621T3 (pl) | 2018-01-31 |
WO2012105172A1 (ja) | 2012-08-09 |
JP2012157842A (ja) | 2012-08-23 |
CN202070206U (zh) | 2011-12-14 |
AU2012212970B2 (en) | 2015-03-05 |
CA2826069C (en) | 2018-11-06 |
US10407317B2 (en) | 2019-09-10 |
TW201233425A (en) | 2012-08-16 |
CA2826069A1 (en) | 2012-08-09 |
KR101451348B1 (ko) | 2014-10-15 |
EP2671621B1 (en) | 2017-08-09 |
AU2012212970A1 (en) | 2013-08-01 |
KR20130121147A (ko) | 2013-11-05 |
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