GB1479318A - Dewatering of slurries - Google Patents

Dewatering of slurries

Info

Publication number
GB1479318A
GB1479318A GB26024/74A GB2602474A GB1479318A GB 1479318 A GB1479318 A GB 1479318A GB 26024/74 A GB26024/74 A GB 26024/74A GB 2602474 A GB2602474 A GB 2602474A GB 1479318 A GB1479318 A GB 1479318A
Authority
GB
United Kingdom
Prior art keywords
belts
rollers
drums
conveyors
slurry
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
Application number
GB26024/74A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KLEIN KG A
Original Assignee
KLEIN KG A
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by KLEIN KG A filed Critical KLEIN KG A
Publication of GB1479318A publication Critical patent/GB1479318A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
    • C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
    • C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
    • 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
    • B01D33/04—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering
    • B01D33/042—Filters with filtering elements which move during the filtering operation with filtering bands or the like supported on cylinders which are impervious for filtering whereby the filtration and squeezing-out take place between at least two filtering bands
    • 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
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/24—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using an endless pressing band
    • B30B9/243—The squeezing-out being performed in several stages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/24—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using an endless pressing band
    • B30B9/246—The material being conveyed around a drum between pressing bands

Abstract

1479318 Apparatus for dewatering slurry ALB KLEIN KG 12 June 1974 [13 June 1973] 26024/74 Heading BID Slurry is dewatered by squeezing between two endless sieve belts 4. 5 which pass firstly between a straight set of rollers 9 and then in an S-like path round rotating drums 1. 2 against which the belts are pressed by rollers 40. Fig. 1 also shows a preliminary gravity filtering on the upper run of belt 4, from which partly dewatered slurry falls at 8 on to belt 5. Rollers 9 are staggered to curve the belts to some extent (not shown) and mounted on spring-loaded plates P. In an alternative construction (Fig. 3 not shown) rollers 9 are mounted on two endless conveyors whose adjacent runs are backed by plates which are spring-urged together to press the belts. The rollers on the two conveyors may differ in size and spacing, and the conveyors may be driven at slightly different speeds. The conveyors may move the belts forward, or the belts may be moved by rotating one or both drums 1, 2 and may in turn move the conveyors. Drums 1, 2 have peripheral walls of perforated or grooved steel or built up of axially oriented tubes (Fig. 2 not shown), which may be perforated and serve to drain filtrate from the drum interiors. Drums may be driven at slightly different speeds. Rollers 40 are pivotally mounted relative to the drumsupporting frames on levers which carry adjustable pins (47), and pins (47) are engaged by a circumferential cable on each drum. The cables are tightened by handwheels or winches to urge the rollers 40 on to the drums, and the individual forces applied by the rollers may be adjusted by adjusting pins (47) to vary the leverage. The belts 4, 5 separate to discharge filter cake at 53, and their return runs via washing stations 56 may be supported by the outer parts of some rollers 40. The flexing of belts 4, 5 caused by changes in direction and differential speeds of supporting members breaks up the filter cake between the belts to expel water pockets. In Fig. 4 (not shown) the initial pressing silage is arranged beneath the drums, and there is no gravity filtering. The apparatus may include a strainer (unspecified) which removes some water from the slurry before the slurry reaches the belts. The belts could pass round more than two drums. Rollers 9 could be vibrated.
GB26024/74A 1973-06-13 1974-06-12 Dewatering of slurries Expired GB1479318A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2330029A DE2330029C3 (en) 1973-06-13 1973-06-13 Filter press for dewatering sludge-like goods
DE19732333680 DE2333680A1 (en) 1973-06-13 1973-07-03 DEVICE FOR DEWATERING MUDGED GOODS

Publications (1)

Publication Number Publication Date
GB1479318A true GB1479318A (en) 1977-07-13

Family

ID=25765306

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26024/74A Expired GB1479318A (en) 1973-06-13 1974-06-12 Dewatering of slurries

Country Status (12)

Country Link
AT (1) AT336642B (en)
BE (1) BE816310A (en)
CA (1) CA1048854A (en)
CH (1) CH582113A5 (en)
DE (2) DE2330029C3 (en)
DK (1) DK310974A (en)
FI (1) FI62000C (en)
FR (1) FR2233287B1 (en)
GB (1) GB1479318A (en)
NL (1) NL7407831A (en)
NO (1) NO140286C (en)
SE (1) SE7407741L (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2855160A1 (en) * 1977-12-20 1979-06-21 Voest Ag BELT CONVEYOR PRESS FOR DRAINAGE OF MATERIALS
CN108264207A (en) * 2018-04-04 2018-07-10 季殊慧 A kind of sludge treatment equipment for having impurity screening function
CN114028861A (en) * 2021-12-07 2022-02-11 临朐恒辉新材料有限公司 Belt filter for producing aluminum hydroxide powder by aluminum sulfate method

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4157065A (en) * 1975-09-16 1979-06-05 Konrad Schinko Juice extractor
DE2849307A1 (en) * 1978-11-14 1980-05-29 Hovex Bv Filter belt press for drying clothes - has wet clothes pulled between belts running over roller cages
AT363872B (en) * 1979-01-08 1981-09-10 Voest Alpine Ag DRAINAGE DRUM FOR FABRIC DRAINAGE DEVICES
JPS5720244Y2 (en) * 1979-12-28 1982-04-30
NL8003667A (en) * 1980-06-25 1982-01-18 Pannevis Bv Machf METHOD AND APPARATUS FOR REMOVING LIQUID FROM A MIXTURE OF LIQUID AND SOLID
DE3103569A1 (en) * 1981-02-03 1982-10-14 Hitachi Kiden Kogyo Ltd., Amagasaki Process and apparatus for dewatering screenings
AT389535B (en) * 1987-04-13 1989-12-27 Andritz Ag Maschf WET PRESS
DE4038706A1 (en) * 1990-12-05 1992-06-11 Harald Ipsen Treatment of aq. sludges or coagulates, esp. from spray painting - by pressing dewatered sludge between moving belts to remove residual water which is recycled to painting equipment
US5456832A (en) * 1993-12-28 1995-10-10 Komline-Sanderson Engineering Corp. Apparatus for preparing a material for high pressure deliquification
CN113880282B (en) * 2021-10-29 2024-03-05 扬州大学 Sewage filtering treatment device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2855160A1 (en) * 1977-12-20 1979-06-21 Voest Ag BELT CONVEYOR PRESS FOR DRAINAGE OF MATERIALS
CN108264207A (en) * 2018-04-04 2018-07-10 季殊慧 A kind of sludge treatment equipment for having impurity screening function
CN114028861A (en) * 2021-12-07 2022-02-11 临朐恒辉新材料有限公司 Belt filter for producing aluminum hydroxide powder by aluminum sulfate method
CN114028861B (en) * 2021-12-07 2022-10-18 临朐恒辉新材料有限公司 Belt filter for producing aluminum hydroxide powder by aluminum sulfate method

Also Published As

Publication number Publication date
FR2233287B1 (en) 1978-01-13
DE2330029C3 (en) 1980-07-17
NL7407831A (en) 1974-12-17
AT336642B (en) 1977-05-10
DE2330029A1 (en) 1975-03-20
FI62000C (en) 1982-11-10
DE2330029B2 (en) 1979-10-31
NO140286B (en) 1979-04-30
FR2233287A1 (en) 1975-01-10
ATA90374A (en) 1976-09-15
SE7407741L (en) 1974-12-16
FI180374A (en) 1974-12-14
DK310974A (en) 1975-02-03
CH582113A5 (en) 1976-11-30
FI62000B (en) 1982-07-30
NO140286C (en) 1979-08-08
DE2333680A1 (en) 1975-01-23
NO742134L (en) 1975-01-06
CA1048854A (en) 1979-02-20
BE816310A (en) 1974-09-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee