SE9800849L - Process for separating pollutants in incoming wastewater and device for carrying out the process - Google Patents
Process for separating pollutants in incoming wastewater and device for carrying out the processInfo
- Publication number
- SE9800849L SE9800849L SE9800849A SE9800849A SE9800849L SE 9800849 L SE9800849 L SE 9800849L SE 9800849 A SE9800849 A SE 9800849A SE 9800849 A SE9800849 A SE 9800849A SE 9800849 L SE9800849 L SE 9800849L
- Authority
- SE
- Sweden
- Prior art keywords
- screen
- screw conveyor
- water
- collapsed
- filtered
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 4
- 239000003344 environmental pollutant Substances 0.000 title 1
- 231100000719 pollutant Toxicity 0.000 title 1
- 239000002351 wastewater Substances 0.000 title 1
- 239000000463 material Substances 0.000 abstract 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- 238000004140 cleaning Methods 0.000 abstract 1
- -1 gravel Substances 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000004576 sand Substances 0.000 abstract 1
- 239000010865 sewage Substances 0.000 abstract 1
- 239000002689 soil Substances 0.000 abstract 1
- 239000004575 stone Substances 0.000 abstract 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B5/00—Artificial water canals, e.g. irrigation canals
- E02B5/08—Details, e.g. gates, screens
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B8/00—Details of barrages or weirs ; Energy dissipating devices carried by lock or dry-dock gates
- E02B8/02—Sediment base gates; Sand sluices; Structures for retaining arresting waterborne material
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Filtration Of Liquid (AREA)
Abstract
A process for separating impurities from effluent water comprises feeding the water from eg. a sewage works, containing sand, soil, gravel, stone, paper or similar material, into a narrow conduit (10). The heavy material in the water is removed directly via a spiral region (4) to a first motor-driven screw conveyor (5) without it coming into contact with the screen used to remove lighter material. From here the heavy material is fed into a second motor-driven screw conveyor (6), for dewatering (7) and subsequent disposal or cleaning. The light material is initially delivered to a fixed screen (1) and then to a moving screen (2), the filtered material deposited on the fixed screen being forced down between the collapsed rods in the moving screen. These rods are collapsed as the screen moves upwards, enabling the filtered material to pass down through the screen and into a positionable press (3), where its weight is increased. Filtered material is removed stepwise from the press into the first screw conveyor for removal with the heavy material. The apparatus used for this process is also claimed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9800849A SE9800849L (en) | 1998-03-16 | 1998-03-16 | Process for separating pollutants in incoming wastewater and device for carrying out the process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9800849A SE9800849L (en) | 1998-03-16 | 1998-03-16 | Process for separating pollutants in incoming wastewater and device for carrying out the process |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9800849D0 SE9800849D0 (en) | 1998-03-16 |
| SE508994C2 SE508994C2 (en) | 1998-11-23 |
| SE9800849L true SE9800849L (en) | 1998-11-23 |
Family
ID=20410550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9800849A SE9800849L (en) | 1998-03-16 | 1998-03-16 | Process for separating pollutants in incoming wastewater and device for carrying out the process |
Country Status (1)
| Country | Link |
|---|---|
| SE (1) | SE9800849L (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE512836C2 (en) * | 1999-05-11 | 2000-05-22 | Olle Tornegaard | Process for separating pollutants in incoming wastewater and device for carrying out the process |
| CN112813997A (en) * | 2021-01-05 | 2021-05-18 | 北京萨尔科技有限公司 | Waterproof drainage device of hydraulic engineering construction |
-
1998
- 1998-03-16 SE SE9800849A patent/SE9800849L/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SE508994C2 (en) | 1998-11-23 |
| SE9800849D0 (en) | 1998-03-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |