JP2022524336A - 逆洗ガイドを備えた回転ディスクフィルタ - Google Patents
逆洗ガイドを備えた回転ディスクフィルタ Download PDFInfo
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- 239000007787 solid Substances 0.000 claims abstract description 86
- 239000000203 mixture Substances 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims description 29
- 238000011001 backwashing Methods 0.000 claims description 14
- 239000008247 solid mixture Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 6
- 230000000717 retained effect Effects 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 3
- 239000010802 sludge Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- 238000000926 separation method Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 241000473391 Archosargus rhomboidalis Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
- B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
- B01D33/23—Construction of discs or component sectors thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
- B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/46—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element
- B01D33/463—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D33/50—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- 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
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/08—Regeneration of the filter
- B01D2201/081—Regeneration of the filter using nozzles or suction devices
- B01D2201/084—Nozzles placed on the filtrate side of the filtering element
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
Description
Claims (19)
- 液体を濾過するための回転ディスクフィルタであって、
前記液体を受け取り、その表面に形成された複数の開口部を有する回転ドラムと、
前記ドラム内に配置され、逆洗と浮遊固形物の混合物を受け取るように構成された固形物トラフと、
前記ドラムに固定され、前記ドラムから液体を受け取り、かつ前記液体がフィルタディスクの一部を形成する濾材を通って前記フィルタディスクから外向きに流れるときに前記液体を濾過するように構成された1つまたは複数のフィルタディスクと、
前記フィルタディスクの内周に形成された複数の開口部を含む前記フィルタディスクと、
前記ドラムを回転駆動し、前記フィルタディスクを前記ドラムと一緒に回転させるためのドライブと、
前記濾材を逆洗するための逆洗システムであって、前記フィルタディスクの外側に配置され、前記逆洗を前記濾材を通して前記フィルタディスク内に向けるように構成された複数のノズルを含み、前記フィルタディスクでは、前記逆洗が前記濾材から浮遊固形物を除去し、逆洗および浮遊固形物の混合物が形成される、逆洗システムと、
前記フィルタディスクの反対側から前記フィルタディスクの内部に内側に突出する複数の逆洗ガイドと、を備え、
前記逆洗ガイドと前記フィルタディスクの一部は、前記フィルタディスクを通って延びる一連の逆洗チャネルを形成し、
前記逆洗チャネルは、前記フィルタディスクの前記内周の前記開口部に略向かって延び、
逆洗操作において、前記逆洗チャネルは、前記逆洗および浮遊固形物の混合物の少なくとも一部を受け取り、前記逆洗および前記浮遊固形物を前記フィルタディスクの前記内周の開前記開口部に向けるよう構成され、前記逆洗および浮遊固形物が前記ドラムの前記開口部を通過して、前記固形物トラフに入る、回転ディスクフィルタ。 - 前記逆洗ガイドが、前記フィルタディスクの反対側の間で中間的に終端する末端縁部を含む、請求項1に記載の回転ディスクフィルタ。
- 前記フィルタディスクの一方の側から突出する前記逆洗ガイドが、前記フィルタディスクの他方の側から突出する逆洗ガイドと横方向に整列している、請求項1に記載の回転ディスクフィルタ。
- 前記横方向に整列している逆洗ガイドは、前記横方向に整列している逆洗ガイドの間に開放領域が画定されるように離間されている、請求項3に記載の回転ディスクフィルタ。
- 前記逆洗チャネルは、前記フィルタディスクの前記外周と内周との間に略延在し、前記逆洗チャネルは内端部分を含み、前記逆洗チャネルの前記内端部分は、前記フィルタディスクの前記内周の前記開口部に隣接して終端する、請求項1に記載の回転ディスクフィルタ。
- 前記逆洗チャネルが対に配置され、前記逆洗チャネルの対が前記フィルタディスクの周りに横方向に整列され、かつ円周方向に離間されている、請求項1に記載の回転ディスクフィルタ。
- 前記フィルタディスクは、その反対側で前記濾材を支持するフィルタフレームを備え、前記逆洗ガイドは、前記フィルタフレームに固定されるか、または前記フィルタフレームと一体的に形成され、そこから前記フィルタディスク内に内側に突出する、請求項1に記載の回転ディスクフィルタ。
- 前記濾材が、前記フィルタフレームに支持された一連のフィルタセグメントを含み、前記フィルタセグメントおよび前記フィルタフレームが、前記フィルタディスクの周りに一連のコンパートメントを形成し、前記逆洗ガイドおよび前記逆洗チャネルは、前記コンパートメントの前側の縁部に形成されている、請求項7に記載の回転ディスクフィルタ。
- 前記フィルタディスクの反対側から突出する前記逆洗ガイドが、前記濾材に対して内向きに角度を付ける細長い縁部を含む、請求項1に記載の回転ディスクフィルタ。
- 回転ディスクフィルタにおいて液体を濾過し、濾材を逆洗する方法であって、
前記液体を回転ドラムに向けること、
前記液体を前記回転ドラムから前記回転ドラムに固定された1つまたは複数のフィルタディスクに向け、前記フィルタディスクの反対側に配置された濾材を有すること、
前記液体を濾過し、前記液体を前記フィルタディスクから前記濾材を通して外側に向けることによって前記液体から浮遊固形物を除去し、前記液体中の前記浮遊固形物の少なくとも一部を前記濾材の内面に保持させること、
前記濾材を逆洗することであって、
前記濾材の一部が、前記フィルタディスクの外部に配置されたノズルによって逆洗される位置に回転するように、前記ドラムおよび前記フィルタディスクを回転させること、
前記ノズルから前記濾材を通って前記フィルタディスクの前記内部に逆洗を向け、当該プロセスにおいて、前記フィルタディスク内に逆洗と浮遊固形物の混合物を生じさせる前記濾材の前記内面に保持されている前記浮遊固形物の少なくとも一部を取り除くこと、
前記フィルタディスクに配置された一連の逆洗チャネルで前記逆洗と浮遊固形物の混合物を受け取ること、
前記フィルタディスクが回転すると、前記逆洗チャネルの前側の部分が進行方向に開くこと、および
前記逆洗および浮遊固形物の混合物を、前記逆洗チャネルを通して、前記逆洗チャネルから前記フィルタディスクの内周の開口部を通って、前記ドラムの開口部を通って、前記ドラム内に配置された固形物トラフに向けること、によって前記濾材を逆洗すること、を備える、方法。 - 前記ドラム、フィルタディスクおよび逆洗チャネルが回転するときに前記濾材を逆洗すること、前記ドラム、フィルタディスク、および逆洗チャンネルが回転するときに前記逆洗と浮遊固形物の混合物が前記逆洗チャンネルに流れ込むこと、を含む請求項10に記載の方法。
- 前記逆洗チャネルに関連する一連の逆洗ガイドが提供される、請求項10に記載の方法。
- 液体を濾過するための回転ディスクフィルタであって、
前記液体を受け取り、その表面に形成された複数の開口部を有する回転ドラムと、
前記ドラム内に配置され、逆洗と浮遊固形物の混合物を受け取るように構成された固形物トラフと、
前記ドラムに固定され、前記ドラムから液体を受け取り、かつ前記液体がフィルタディスクの一部を形成する濾材を通って前記フィルタディスクから外向きに流れるときに前記液体を濾過するように構成された1つまたは複数のフィルタディスクと、
前記フィルタディスクの内周に形成された複数の開口部を含む前記フィルタディスクと、
前記濾材を逆洗するための逆洗システムであって、前記フィルタディスクの外側に配置され、前記逆洗を前記濾材を通して前記フィルタディスク内に向けるように構成された複数のノズルを含み、前記フィルタディスクでは、前記逆洗が前記濾材に保持された浮遊固形物を取り除く、逆洗システムと、
逆洗操作中に前記ドラムとフィルタディスクを回転駆動するためのドライブと、
前記フィルタディスクに配置され、前記逆洗操作中に前記逆洗および浮遊固形物の混合物と係合し、かつ前記逆洗および浮遊固形物の混合物を前記フィルタディスクの前記内周に形成された前記開口部に案内し、その後、前記逆洗および浮遊固形物が前記ドラムの開口部を通って前記固形物トラフ内に流れるように構成された複数の逆洗ガイドと、
前記逆洗ガイドと前記濾材の間にオープンスペースが定義されるように、前記濾材から内側に離間された前記逆洗ガイドと、を備え、
前記逆洗ガイドおよび前記定義されたオープンスペースは、前記逆洗操作中に前記逆洗および浮遊固形物の混合物が前記オープンスペースを通り、前記フィルタディスクを通って前記フィルタディスクの前記内周に形成された前記開口部に流れるように構成される、回転ディスクフィルタ。 - 前記逆洗ガイドが前記濾材から離れるように角度が付けられている、請求項13に記載の回転ディスクフィルタ。
- 前記フィルタディスクが、フィルタフレームと、前記フィルタフレームに支持された一連のフィルタセグメントと、を含み、前記逆洗ガイドおよび前記フィルタセグメントが、前記フィルタディスク内に内部に延びる前記オープンスペースを形成する、請求項13に記載の回転ディスクフィルタ。
- 前記フィルタディスク内に配置された前記逆洗ガイドが、横方向に整列され、かつ互いに離間された関係で終端する末端縁部を含む、逆洗ガイドの対を含む、請求項13に記載の回転ディスクフィルタ。
- 前記フィルタディスクは、フィルタフレームと、前記フィルタフレームに支持された複数のフィルタセグメントと、を備え、前記逆洗ガイドは、前記フィルタフレームに固定されるか、または前記フィルタフレームと一体的に形成され、そこから前記フィルタディスク内に突出する、請求項13に記載の回転ディスクフィルタ。
- 前記オープンスペースは、前記フィルタディスクを通って延びる一連の逆洗チャネルの少なくとも一部を形成し、前記逆洗チャネルは、前記逆洗操作中に前記フィルタディスクの進行方向に面する開放側を有する、請求項13に記載の回転ディスクフィルタ。
- 前記逆洗チャネルが、前記フィルタディスクの外周と前記フィルタディスクの前記内周との間に延在し、前記逆洗チャネルが、前記フィルタの前記内周の前記開口部に隣接して終端する内端部分を含む、請求項18に記載の回転ディスクフィルタ。
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US16/293,772 US11000791B2 (en) | 2019-03-06 | 2019-03-06 | Rotary disc filter having backwash guides |
US16/293,772 | 2019-03-06 | ||
PCT/IB2020/051544 WO2020178661A1 (en) | 2019-03-06 | 2020-02-24 | Rotary disc filter having backwash guides |
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US11000791B2 (en) * | 2019-03-06 | 2021-05-11 | Veolia Water Solutions & Technologies Support | Rotary disc filter having backwash guides |
SE543498C2 (en) | 2019-08-19 | 2021-03-09 | Nordic Water Prod Ab | Filter element for filter disc comprising elevated restriction edges |
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KR102313551B1 (ko) * | 2021-04-16 | 2021-10-15 | (주)블루엔 | 협잡물 처리장치 |
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WO2024079561A1 (en) | 2022-10-11 | 2024-04-18 | Veolia Water Solutions & Technologies Support | Rotary disc filter having a high pressure media cleaning system |
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IL285851A (en) | 2021-10-31 |
EP3934787A1 (en) | 2022-01-12 |
CL2021002325A1 (es) | 2022-05-27 |
CN113766959A (zh) | 2021-12-07 |
MX2021010573A (es) | 2021-10-13 |
AU2020231174B2 (en) | 2023-04-13 |
ZA202106238B (en) | 2023-06-28 |
JP7359859B2 (ja) | 2023-10-11 |
US11000791B2 (en) | 2021-05-11 |
CA3131949C (en) | 2023-08-01 |
CA3131949A1 (en) | 2020-09-10 |
CN113766959B (zh) | 2023-03-31 |
US20200282345A1 (en) | 2020-09-10 |
NZ779776A (en) | 2024-01-26 |
WO2020178661A1 (en) | 2020-09-10 |
AU2020231174A1 (en) | 2021-09-30 |
BR112021017224A2 (pt) | 2021-12-21 |
KR20210132180A (ko) | 2021-11-03 |
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