GB1294462A - Sludge dewatering apparatus - Google Patents

Sludge dewatering apparatus

Info

Publication number
GB1294462A
GB1294462A GB53066/69A GB5306669A GB1294462A GB 1294462 A GB1294462 A GB 1294462A GB 53066/69 A GB53066/69 A GB 53066/69A GB 5306669 A GB5306669 A GB 5306669A GB 1294462 A GB1294462 A GB 1294462A
Authority
GB
United Kingdom
Prior art keywords
layer
filter material
sludge dewatering
dewatering apparatus
divisions
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
GB53066/69A
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.)
General American Transportation Corp
Original Assignee
General American Transportation Corp
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 General American Transportation Corp filed Critical General American Transportation Corp
Publication of GB1294462A publication Critical patent/GB1294462A/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
    • 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
    • B01D33/466—Regenerating the filter material in the filter by scrapers, brushes nozzles or the like acting on the cake-side of the filtering element scrapers
    • 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
    • B01D33/58—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element
    • B01D33/62—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying
    • B01D33/64—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by compression
    • B01D33/646—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by compression by pressure rollers
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • 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
    • 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
    • C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/30—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a fluidised bed

Abstract

1294462 Filter material GENERAL AMERICAN TRANSPORTATION CORP 29 Oct 1969 [4 Nov 1968 13 Aug 1969] 53066/69 Heading B5N [Also in Divisions B1 C1 and F4] A composite filter material used as an endless belt comprises a layer 226 of cellulose or polyurethane foam secured to a backing layer 229 of extruded polypropylene mesh. Layer 235 shown is a separate belt overlying but not attached to the first. Both belts have beaded edge strips of impervious polypropylene.
GB53066/69A 1968-11-04 1969-10-29 Sludge dewatering apparatus Expired GB1294462A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US77320468A 1968-11-04 1968-11-04
US84977069A 1969-08-13 1969-08-13

Publications (1)

Publication Number Publication Date
GB1294462A true GB1294462A (en) 1972-10-25

Family

ID=27118719

Family Applications (1)

Application Number Title Priority Date Filing Date
GB53066/69A Expired GB1294462A (en) 1968-11-04 1969-10-29 Sludge dewatering apparatus

Country Status (7)

Country Link
JP (1) JPS5014390B1 (en)
BE (1) BE741202A (en)
DE (1) DE1954909A1 (en)
ES (1) ES373066A1 (en)
FR (1) FR2022552A1 (en)
GB (1) GB1294462A (en)
NL (1) NL6916584A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2162080A (en) * 1984-07-26 1986-01-29 Champion Int Corp Filtering
CN108911469A (en) * 2018-08-20 2018-11-30 华南理工大学 A kind of device for deeply dehydrating sludge
CN109847416A (en) * 2019-04-10 2019-06-07 毅康科技有限公司 A kind of desludging device for Industrial Wastewater Treatment
CN113144682A (en) * 2021-04-23 2021-07-23 龙海市仁吉建材有限公司 Settling post-treatment method for stone powder residues after stone processing
IT202100006635A1 (en) * 2021-03-19 2022-09-19 Greengo S R L SLUDGE DEHYDRATION DEVICE AND RELATED SLUDGE TREATMENT PLANT

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1415297A (en) * 1971-10-21 1975-11-26 Harleyford Hydrosand Equipment Separation from water of a material suspended or accumulated therein
JPH0338300A (en) * 1989-07-03 1991-02-19 Norihito Tanpo Concentration and dehydration of slurry-like sludge
JP2005349326A (en) * 2004-06-11 2005-12-22 Univ Nagoya Dehydrating apparatus
FR3008694B1 (en) * 2013-07-18 2020-06-05 Marc Gombart DEHYDRATION TABLE FOR SLUDGE TREATMENT PLANT
CN113041691A (en) * 2021-04-01 2021-06-29 郑州国研环保科技有限公司 Sludge press filtration water-saving flushing device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2162080A (en) * 1984-07-26 1986-01-29 Champion Int Corp Filtering
CN108911469A (en) * 2018-08-20 2018-11-30 华南理工大学 A kind of device for deeply dehydrating sludge
CN109847416A (en) * 2019-04-10 2019-06-07 毅康科技有限公司 A kind of desludging device for Industrial Wastewater Treatment
CN109847416B (en) * 2019-04-10 2023-05-23 毅康科技有限公司 Mud removing device for industrial wastewater treatment
IT202100006635A1 (en) * 2021-03-19 2022-09-19 Greengo S R L SLUDGE DEHYDRATION DEVICE AND RELATED SLUDGE TREATMENT PLANT
CN113144682A (en) * 2021-04-23 2021-07-23 龙海市仁吉建材有限公司 Settling post-treatment method for stone powder residues after stone processing

Also Published As

Publication number Publication date
JPS5014390B1 (en) 1975-05-27
DE1954909A1 (en) 1970-05-14
FR2022552A1 (en) 1970-07-31
ES373066A1 (en) 1971-11-16
BE741202A (en) 1970-05-04
NL6916584A (en) 1970-05-08

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees