GB395728A - Improvements in or relating to settling tanks - Google Patents
Improvements in or relating to settling tanksInfo
- Publication number
- GB395728A GB395728A GB1878/32A GB187832A GB395728A GB 395728 A GB395728 A GB 395728A GB 1878/32 A GB1878/32 A GB 1878/32A GB 187832 A GB187832 A GB 187832A GB 395728 A GB395728 A GB 395728A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cylinder
- tank
- sludge
- channels
- valve
- 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.)
- Expired
Links
Classifications
-
- 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
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
- B01D21/2472—Means for fluidising the sediments, e.g. by jets or mechanical agitators
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Treatment Of Sludge (AREA)
Abstract
395,728. Gravity-separation apparatus. ANDREWS, L., The Hut, Westend Lane, Pinner, Middlesex. Jan. 21, 1932, No. 1878. [Class 46.] After each withdrawal of sludge from the bottom of a settling-tank a portion of the sludge withdrawn is forced back in the form of streams or jets so as to loosen aggregated matter in the lower part of the tank and facilitate its subsequent discharge. A cylinder c, Fig. 1, is arranged over the sludge outlet e of a settling-tank a, the interior of the cylinder being in communication with the tank through outwardly-tapering channels d. A valve g controlling the outlet e is loosely connected to a plunger i which is moved in the cylinder c by means of a rod i<2> connected to a pneumatically-operated piston o. The arrangement is such that as the plunger i is lifted it draws sludge into the cylinder c through the channels d and then opens the valve g through which the sludge is discharged. On downward motion of the plunger the valve is closed and then the sludge in the cylinder c is forced back through the channels d to loosen the aggregated solid matter in the tank. The channels d may be curved so that the liquid forced in is given a whirling motion in the tank. A modification is described in which the cylinder c, the piston o and its cylinder m are situated within a conical chamber which rises from the bottom of the tank, the channels d being replaced by pipes which have nozzles at their outer ends. In a further modification, Fig. 7, the cylinder c with the valve g and cylinder m are arranged outside the tank. The cylinder c is connected to the tank by a pipe 12 with branches 13, the ends of which are connected to metal cones 15 with passages at their lower ends opening into the tank. Fig. 9 shows an arrangement for controlling the automatic operation of the piston o at predetermined times. The inlet and outlet pipe w for the cylinder m is connected to cylinders 1, 2 with diaphragms 5, 7, respectively controlling an air supply pipe 3 and an exhaust pipe 6. The diaphragms are moved by the arms 8, 9 of levers, the other arms of which engage cam wheels 10, 11 geared to rotate together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1878/32A GB395728A (en) | 1932-01-21 | 1932-01-21 | Improvements in or relating to settling tanks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1878/32A GB395728A (en) | 1932-01-21 | 1932-01-21 | Improvements in or relating to settling tanks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB395728A true GB395728A (en) | 1933-07-21 |
Family
ID=9729612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1878/32A Expired GB395728A (en) | 1932-01-21 | 1932-01-21 | Improvements in or relating to settling tanks |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB395728A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0804955A1 (en) * | 1996-04-30 | 1997-11-05 | OMS KLÄRANLAGEN GmbH | Sedimentation basin |
| WO2000062948A1 (en) * | 1999-04-16 | 2000-10-26 | Canadian Environmental Equipment & Engineering Technologies Inc. | Apparatus and method for removing fines from oil tanks |
| CN110227286A (en) * | 2019-06-18 | 2019-09-13 | 周军阳 | A kind of hydrocyclone that can clear up solid in real time |
-
1932
- 1932-01-21 GB GB1878/32A patent/GB395728A/en not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0804955A1 (en) * | 1996-04-30 | 1997-11-05 | OMS KLÄRANLAGEN GmbH | Sedimentation basin |
| WO2000062948A1 (en) * | 1999-04-16 | 2000-10-26 | Canadian Environmental Equipment & Engineering Technologies Inc. | Apparatus and method for removing fines from oil tanks |
| US6588601B1 (en) * | 1999-04-16 | 2003-07-08 | Canadian Enviromental Equipment & Engineering Technologies Inc. | Apparatus for removing fines from oil tanks |
| CN110227286A (en) * | 2019-06-18 | 2019-09-13 | 周军阳 | A kind of hydrocyclone that can clear up solid in real time |
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