IT1109175B - GROUP FOR LIQUID TREATMENT, INCLUDING A SCREW-TYPE SCREENING DEVICE TO REMOVE SEEDS AND SIMILAR SOLUTIONS, AND RELATED PROCEDURE - Google Patents

GROUP FOR LIQUID TREATMENT, INCLUDING A SCREW-TYPE SCREENING DEVICE TO REMOVE SEEDS AND SIMILAR SOLUTIONS, AND RELATED PROCEDURE

Info

Publication number
IT1109175B
IT1109175B IT19561/78A IT1956178A IT1109175B IT 1109175 B IT1109175 B IT 1109175B IT 19561/78 A IT19561/78 A IT 19561/78A IT 1956178 A IT1956178 A IT 1956178A IT 1109175 B IT1109175 B IT 1109175B
Authority
IT
Italy
Prior art keywords
screw
group
screening device
liquid treatment
related procedure
Prior art date
Application number
IT19561/78A
Other languages
Italian (it)
Other versions
IT7819561A0 (en
Original Assignee
Global Pollution Control Co
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 Global Pollution Control Co filed Critical Global Pollution Control Co
Publication of IT7819561A0 publication Critical patent/IT7819561A0/en
Application granted granted Critical
Publication of IT1109175B publication Critical patent/IT1109175B/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/52Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5281Installations for water purification using chemical agents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0012Settling tanks making use of filters, e.g. by floating layers of particulate material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0018Separation of suspended solid particles from liquids by sedimentation provided with a pump mounted in or on a settling tank
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039Settling tanks provided with contact surfaces, e.g. baffles, particles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0042Baffles or guide plates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02Settling tanks with single outlets for the separated liquid
    • B01D21/04Settling tanks with single outlets for the separated liquid with moving scrapers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24Feed or discharge mechanisms for settling tanks
    • B01D21/245Discharge mechanisms for the sediments
    • B01D21/2461Positive-displacement pumps; Screw feeders; Trough conveyors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/40Mixing liquids with liquids; Emulsifying
    • B01F23/45Mixing liquids with liquids; Emulsifying using flow mixing
    • B01F23/451Mixing liquids with liquids; Emulsifying using flow mixing by injecting one liquid into another
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30Injector mixers
    • B01F25/31Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3131Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit with additional mixing means other than injector mixers, e.g. screens, baffles or rotating elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30Injector mixers
    • B01F25/31Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3132Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit by using two or more injector devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30Injector mixers
    • B01F25/31Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3132Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit by using two or more injector devices
    • B01F25/31323Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit by using two or more injector devices used successively
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40Static mixers
    • B01F25/42Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/4316Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being flat pieces of material, e.g. intermeshing, fixed to the wall or fixed on a central rod
    • B01F25/43161Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being flat pieces of material, e.g. intermeshing, fixed to the wall or fixed on a central rod composed of consecutive sections of flat pieces of material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40Static mixers
    • B01F25/42Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/43197Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor characterised by the mounting of the baffles or obstructions
    • B01F25/431972Mounted on an axial support member, e.g. a rod or bar
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00Apparatus for treatment of water, waste water or sewage
    • C02F2201/002Construction details of the apparatus

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Extraction Or Liquid Replacement (AREA)
IT19561/78A 1977-01-24 1978-01-24 GROUP FOR LIQUID TREATMENT, INCLUDING A SCREW-TYPE SCREENING DEVICE TO REMOVE SEEDS AND SIMILAR SOLUTIONS, AND RELATED PROCEDURE IT1109175B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB275977 1977-01-24

Publications (2)

Publication Number Publication Date
IT7819561A0 IT7819561A0 (en) 1978-01-24
IT1109175B true IT1109175B (en) 1985-12-16

Family

ID=9745357

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19561/78A IT1109175B (en) 1977-01-24 1978-01-24 GROUP FOR LIQUID TREATMENT, INCLUDING A SCREW-TYPE SCREENING DEVICE TO REMOVE SEEDS AND SIMILAR SOLUTIONS, AND RELATED PROCEDURE

Country Status (8)

Country Link
JP (1) JPS53111648A (en)
AU (1) AU3217678A (en)
DE (1) DE2802960A1 (en)
ES (1) ES466244A1 (en)
FR (1) FR2377972A1 (en)
GR (1) GR65947B (en)
IT (1) IT1109175B (en)
NL (1) NL7800627A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4830746A (en) * 1988-05-06 1989-05-16 K & D Industries, Inc. Device for separating solids and intermixed liquids from industrial waste

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1624385A (en) * 1925-11-02 1927-04-12 Harold E Bergen Apparatus for recovering solids from press liquids
US2012298A (en) * 1930-02-11 1935-08-27 Raffinerie Tirlemontoise Sa Apparatus for diffusion
FR1379343A (en) * 1964-01-02 1964-11-20 Beteiligungs & Patentverw Gmbh Fine sludge dewatering process
US3392114A (en) * 1965-05-26 1968-07-09 Ingersoll Rand Canada Apparatus and method for decontaminating pulp and paper machine effluent
FR2138968A1 (en) * 1971-05-27 1973-01-05 Krupp Gmbh Continuous sepn device - for removal of fine solids from a suspension
AR206029A1 (en) * 1974-05-23 1976-06-23 Orgonics PROCEDURE TO TREAT FILTER CAKES FROM THE TREATMENT OF SERVED WATER AND OBTAIN AN ODORLESS GRANULATED PRODUCT WITH A HIGH NITROGEN CONTENT AND RESULTING PRODUCT
FR2315302A1 (en) * 1975-06-25 1977-01-21 Ermac Etude Realisa Mat Carrie Sepn. of solid materials from suspensions in liquids - using vessel with archimedean screw, bucket-wheel and vibratory trough
FR2321456A1 (en) * 1975-08-19 1977-03-18 Alsthom Cgee Mechanically draining and compacting fibrous sludge - extruded through flexible nozzle which regulates compacting pressure

Also Published As

Publication number Publication date
JPS53111648A (en) 1978-09-29
FR2377972A1 (en) 1978-08-18
AU3217678A (en) 1979-07-12
DE2802960A1 (en) 1978-07-27
GR65947B (en) 1981-01-09
ES466244A1 (en) 1978-10-16
IT7819561A0 (en) 1978-01-24
NL7800627A (en) 1978-07-26

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