IT7921821A0 - SLUDGE DRYING PLANT WITH SAND RECYCLING. - Google Patents

SLUDGE DRYING PLANT WITH SAND RECYCLING.

Info

Publication number
IT7921821A0
IT7921821A0 IT7921821A IT2182179A IT7921821A0 IT 7921821 A0 IT7921821 A0 IT 7921821A0 IT 7921821 A IT7921821 A IT 7921821A IT 2182179 A IT2182179 A IT 2182179A IT 7921821 A0 IT7921821 A0 IT 7921821A0
Authority
IT
Italy
Prior art keywords
sludge drying
drying plant
sand recycling
recycling
sand
Prior art date
Application number
IT7921821A
Other languages
Italian (it)
Other versions
IT1115184B (en
Original Assignee
Envirotech 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
Priority claimed from US05/895,684 external-priority patent/US4153411A/en
Priority claimed from US06/018,389 external-priority patent/US4248164A/en
Application filed by Envirotech Corp filed Critical Envirotech Corp
Publication of IT7921821A0 publication Critical patent/IT7921821A0/en
Application granted granted Critical
Publication of IT1115184B publication Critical patent/IT1115184B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/18—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact
    • F26B3/22—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact the heat source and the materials or objects to be dried being in relative motion, e.g. of vibration
    • 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
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B23/00—Heating arrangements
    • F26B23/02—Heating arrangements using combustion heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B3/00—Drying solid materials or objects by processes involving the application of heat
    • F26B3/18—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact
    • F26B3/20—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact the heat source being a heated surface, e.g. a moving belt or conveyor
    • F26B3/205—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact the heat source being a heated surface, e.g. a moving belt or conveyor the materials to be dried covering or being mixed with heated inert particles which may be recycled
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2203/00—Furnace arrangements
    • F23G2203/50—Fluidised bed furnace
    • F23G2203/503—Fluidised bed furnace with two or more fluidised beds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2200/00—Drying processes and machines for solid materials characterised by the specific requirements of the drying good
    • F26B2200/18—Sludges, e.g. sewage, waste, industrial processes, cooling towers
IT21821/79A 1978-04-12 1979-04-12 SLUDGE DRYING SYSTEM WITH SAND RECYCLING IT1115184B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/895,684 US4153411A (en) 1978-04-12 1978-04-12 Rotary sludge drying system with sand recycle
US06/018,389 US4248164A (en) 1979-03-09 1979-03-09 Sludge drying system with sand recycle

Publications (2)

Publication Number Publication Date
IT7921821A0 true IT7921821A0 (en) 1979-04-12
IT1115184B IT1115184B (en) 1986-02-03

Family

ID=26691065

Family Applications (1)

Application Number Title Priority Date Filing Date
IT21821/79A IT1115184B (en) 1978-04-12 1979-04-12 SLUDGE DRYING SYSTEM WITH SAND RECYCLING

Country Status (3)

Country Link
CA (1) CA1110498A (en)
GB (1) GB2019541A (en)
IT (1) IT1115184B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2963616B1 (en) * 2010-08-06 2012-09-21 Commissariat Energie Atomique METHOD AND INSTALLATION FOR DRYING SLUDGE

Also Published As

Publication number Publication date
CA1110498A (en) 1981-10-13
GB2019541A (en) 1979-10-31
IT1115184B (en) 1986-02-03

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