NL30744C - - Google Patents
Info
- Publication number
- NL30744C NL30744C NL30744DA NL30744C NL 30744 C NL30744 C NL 30744C NL 30744D A NL30744D A NL 30744DA NL 30744 C NL30744 C NL 30744C
- Authority
- NL
- Netherlands
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
- E03F7/10—Wheeled apparatus for emptying sewers or cesspools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
- B01D21/04—Settling tanks with single outlets for the separated liquid with moving scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
- B01D21/20—Driving mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/18—Construction of the scrapers or the driving mechanisms for settling tanks
- B01D21/22—Safety mechanisms
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US387866A US2006825A (en) | 1929-08-23 | 1929-08-23 | Grit removal apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL30744C true NL30744C (en) |
Family
ID=23531642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL30744D NL30744C (en) | 1929-08-23 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2006825A (en) |
| FR (1) | FR700979A (en) |
| GB (1) | GB364535A (en) |
| NL (1) | NL30744C (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1179160B (en) * | 1962-05-28 | 1964-10-01 | Passavant Werke | Sludge scraper for settling basins |
| DE1584973C3 (en) * | 1965-12-23 | 1974-07-04 | Passavant - Werke Michelbacher Huette, 6209 Aarbergen | Sludge scraper for clarifiers with weight-loaded scraper blade |
| IT993760B (en) * | 1972-09-06 | 1975-09-30 | Prometall Uznach Ag | EXTRACTION DEVICE FOR CLARIFICATION AND SEWERING SYSTEMS |
| US4017402A (en) * | 1974-08-12 | 1977-04-12 | Dorr-Oliver Incorporated | Sedimentation tank having a rotary rake structure |
| DE3011752A1 (en) * | 1980-03-26 | 1981-11-19 | Passavant-Werke Michelbacher Hütte, 6209 Aarbergen | SPACE DEVICE FOR SET-UP POOLS, SLUDGE CATCHES OR THE LIKE. |
| GB8811066D0 (en) * | 1988-05-10 | 1988-06-15 | Handling Consultants Ltd | Device for skimming material from free surface of body of liquid |
| SE507592C2 (en) * | 1991-08-13 | 1998-06-22 | K Z Handels Ab | Transport element at a reciprocating scrap conveyor for moving sludge at sedimentation pools and the like at water treatment plants |
| CA2317667C (en) | 1999-09-08 | 2009-01-06 | Robert C. Rajewski | Mud tank cleaning system |
| US6607666B2 (en) * | 2001-07-06 | 2003-08-19 | Robert C. Rajewski | Mud tank cleaning system |
| US20070084638A1 (en) * | 2005-10-19 | 2007-04-19 | Clyde Bohnsack | Drilling fluid flow facilitation |
| CA2940214A1 (en) | 2015-08-25 | 2017-02-25 | Premier Oilfield Equipment Co. | Vacuum unit and truck with air and water |
| CN111151036B (en) * | 2020-03-17 | 2021-08-06 | 杭州富阳伟文环保科技有限公司 | Sewage treatment sediment scraping mechanism and method thereof |
| CN114191858B (en) * | 2021-12-02 | 2023-01-24 | 山西碧海机械有限公司 | Mud scraping device for sewage treatment sedimentation tank |
-
0
- NL NL30744D patent/NL30744C/xx active
-
1929
- 1929-08-23 US US387866A patent/US2006825A/en not_active Expired - Lifetime
-
1930
- 1930-08-22 FR FR700979D patent/FR700979A/en not_active Expired
- 1930-08-25 GB GB25385/30A patent/GB364535A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2006825A (en) | 1935-07-02 |
| GB364535A (en) | 1931-12-28 |
| FR700979A (en) | 1931-03-10 |