FI20175656A - A method and a system for estimating residual liquid content after a liquid removal process - Google Patents

A method and a system for estimating residual liquid content after a liquid removal process

Info

Publication number
FI20175656A
FI20175656A FI20175656A FI20175656A FI20175656A FI 20175656 A FI20175656 A FI 20175656A FI 20175656 A FI20175656 A FI 20175656A FI 20175656 A FI20175656 A FI 20175656A FI 20175656 A FI20175656 A FI 20175656A
Authority
FI
Finland
Prior art keywords
liquid
temperature
removal process
estimator system
liquid content
Prior art date
Application number
FI20175656A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20175656A1 (en
Inventor
Jero Ahola
Vesa Karvonen
Bjarne Ekberg
Tuomo Lindh
Manu Huttunen
Teemu Kinnarinen
Lauri Nygren
Antti Häkkinen
Original Assignee
Lappeenrannan Teknillinen Yliopisto
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 Lappeenrannan Teknillinen Yliopisto filed Critical Lappeenrannan Teknillinen Yliopisto
Priority to FI20175656A priority Critical patent/FI20175656A/en
Priority to PCT/FI2018/050480 priority patent/WO2019008224A1/en
Publication of FI20175656A1 publication Critical patent/FI20175656A1/en
Publication of FI20175656A publication Critical patent/FI20175656A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
    • F26B5/041—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum for drying flowable materials, e.g. suspensions, bulk goods, in a continuous operation, e.g. with locks or other air tight arrangements for charging/discharging
    • 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
    • B01D33/66—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by gases or by heating
    • B01D33/663—Handling the filter cake in the filter for purposes other than for regenerating the filter cake remaining on the filtering element for drying by gases or by heating by direct contact with a fluid
    • 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
    • B01D33/80—Accessories
    • B01D33/804—Accessories integrally combined with devices for controlling the filtration
    • B01D33/809—Accessories integrally combined with devices for controlling the filtration by temperature measuring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • B01D37/04—Controlling the filtration
    • B01D37/048—Controlling the filtration by temperature measuring
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/02—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces
    • F26B17/023—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces the material being a slurry or paste, which adheres to a moving belt-like endless conveyor for drying thereon, from which it may be removed in dried state, e.g. by scrapers, brushes or vibration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
    • F26B17/28—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rollers or discs with material passing over or between them, e.g. suction drum, sieve, the axis of rotation being in fixed position
    • F26B17/282—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by rollers or discs with material passing over or between them, e.g. suction drum, sieve, the axis of rotation being in fixed position the materials adhering to, and being dried on, the surface of rotating discs with or without scraping devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/22—Controlling the drying process in dependence on liquid content of solid materials or objects
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B5/00—Drying solid materials or objects by processes not involving the application of heat
    • F26B5/12—Drying solid materials or objects by processes not involving the application of heat by suction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K3/00—Thermometers giving results other than momentary value of temperature
    • G01K3/08—Thermometers giving results other than momentary value of temperature giving differences of values; giving differentiated values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N25/00—Investigating or analyzing materials by the use of thermal means
    • G01N25/56—Investigating or analyzing materials by the use of thermal means by investigating moisture content
    • 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
    • B01D33/06—Filters with filtering elements which move during the filtering operation with rotary cylindrical filtering surfaces, e.g. hollow drums
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24—Earth materials
    • G01N33/246—Earth materials for water content

Abstract

The invention relates to an estimator system for estimating residual liquid content of material after a liquid removal process based on a gas flow directed to the material. The estimator system comprises temperature sensor equipment (101) for obtaining temperature data indicative of the temperature of the gas leaving the material, and indicative of the temperature of the gas arriving at the material and/or the temperature of the material prior to the liquid removal process. The estimator system comprises data processing equipment (102) for estimating the residual liquid content based on the temperature data and on prestored data expressing a correlation between a decrease of the liquid content of the material and a temperature change due to a cooling effect caused by evaporation of liquid from the material during the liquid removal process. Thus, the estimator system utilizes the cooling effect related to the evaporation-heat specific to the liquid.
FI20175656A 2017-07-06 2017-07-06 A method and a system for estimating residual liquid content after a liquid removal process FI20175656A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20175656A FI20175656A (en) 2017-07-06 2017-07-06 A method and a system for estimating residual liquid content after a liquid removal process
PCT/FI2018/050480 WO2019008224A1 (en) 2017-07-06 2018-06-20 A method and a system for estimating residual liquid content after a liquid removal process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20175656A FI20175656A (en) 2017-07-06 2017-07-06 A method and a system for estimating residual liquid content after a liquid removal process

Publications (2)

Publication Number Publication Date
FI20175656A1 FI20175656A1 (en) 2019-01-07
FI20175656A true FI20175656A (en) 2019-01-07

Family

ID=62909556

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20175656A FI20175656A (en) 2017-07-06 2017-07-06 A method and a system for estimating residual liquid content after a liquid removal process

Country Status (2)

Country Link
FI (1) FI20175656A (en)
WO (1) WO2019008224A1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1203701B (en) * 1964-03-28 1965-10-28 Harpener Bergbau Ag Method and device for dewatering slurries
FR87549E (en) * 1965-03-22 1966-06-24 Harpener Bergbau Ag Method and device for dewatering coal sludge or sludge
JPS6183870A (en) * 1984-09-28 1986-04-28 株式会社東芝 Controller for air current drier
JP2766457B2 (en) * 1994-09-08 1998-06-18 鐘紡株式会社 Continuous solid-liquid separator
WO2006081693A1 (en) * 2005-02-02 2006-08-10 Plantcare Ag Device for measuring thermal properties in a medium and method for determining the moisture content in the medium
JP5478019B2 (en) * 2005-06-21 2014-04-23 水ｉｎｇ株式会社 Slurry dehydration drying method and dehydration drying apparatus
EP2682372A1 (en) * 2012-07-05 2014-01-08 Faroe Maritime Technic System and method for dewatering oil/water sludge

Also Published As

Publication number Publication date
WO2019008224A1 (en) 2019-01-10
FI20175656A1 (en) 2019-01-07

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Legal Events

Date Code Title Description
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