Classifications

• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
  • C10L5/00—Solid fuels
  • C10L5/40—Solid fuels essentially based on materials of non-mineral origin
  • C10L5/48—Solid fuels essentially based on materials of non-mineral origin on industrial residues and waste materials
• • C—CHEMISTRY; METALLURGY
  • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
  • C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
  • C10L5/00—Solid fuels
  • C10L5/02—Solid fuels such as briquettes consisting mainly of carbonaceous materials of mineral or non-mineral origin
  • C10L5/34—Other details of the shaped fuels, e.g. briquettes
  • C10L5/36—Shape
  • C10L5/363—Pellets or granulates
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F26—DRYING
  • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
  • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F26—DRYING
  • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
  • F26B23/00—Heating arrangements
  • F26B23/001—Heating arrangements using waste heat
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E50/00—Technologies for the production of fuel of non-fossil origin
  • Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
  • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
  • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
  • Y02W10/00—Technologies for wastewater treatment
  • Y02W10/30—Wastewater or sewage treatment systems using renewable energies
  • Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy

Definitions

• the invention relates to an apparatus for the utilization of wet waste material, which apparatus comprises at least a dryer arrangement for drying of wet waste material and a press arrangement for pelletizing of dried waste material.
• deinked mass is produced every year e.g. as so called zero-fiber or flour waste material, which is flour mass, being separated from a process.
• This kind of waste material includes usually also small amounts of kaoline and latex, being used as coating materials.
• corresponding deinked mass may be found e.g. from a sewage basin in a waste water plant as deinked solid material, which discloses typically short, usually ⁇ 5 mm long wood sticks, flour mass and to some extent other substances as well, such as sand, clay etc.
• this kind of waste material can be exploited mainly in pulp boilers only, in which the waste in question can be burnt in small amounts among other combustible materials.
• Solid material that has been partly dried by air flow is being transported furthermore for a final drying into a cyclone, whereby as a result of the process combustible material is achieved the humidity of which is about 15 %.
• this solution there has also been suggested e.g. mixing of manure with sawdust, wood chips, straws or hay before the drying process.
• pelletizing of the dried waste material there has not, however, been suggested pelletizing of the dried waste material.
• the apparatus is mainly characterized in that the apparatus is meant particularly for the utilization of deinked mass, such as waste material comprising flour or like, in pelletized form by combustion, wherein the dryer arrangement comprises one or several dryers in order to dry the deinked mass by an air flow to be led therethrough, and/or one or several mixers in order to dry the deinked mass by adding a drier ingredient among the same.
• deinked mass such as waste material comprising flour or like
• the apparatus according to the invention may be mentioned the simplicity and efficiency of its operating principle and the equipmentation included therein, whereby as deinked mass it is first of all possible to exploit flour, which at present in most cases only causes costs, in pelletized form, even as a commercially exploitable fuel.
• the apparatus according to the invention it is first of all possible to dry the deinked mass by means of an air flow being led therethrough, thanks to which water therein will be evaporated into the drying air.
• the drying efficiency can be furthermore increased by heat recovery, whereby it is possible to recover heat from the drying air, being blown through e.g. a flour waste material, which is usually still warm after a process by means of a heat exchanger, whereby the heat can be transferred furthermore e.g.
• the deinked mass being treated can be brought into a commercially exploitable form for energy purpose, by virtue of which it is possible to substitute e.g. oil and gas operated energy production.
• an apparatus according to the invention it is furthermore possible to promote employment and improve the image of factories that nowadays cause environmental problems.
• figure 1 in figure 1 is shown a general operating principle of an apparatus being based particularly on air drying
• FIG 2 is shown an advantageous embodiment of the apparatus according to the invention, when exploiting a dryer carried out on a so called interchangeable platform principle,
• FIG 3 is shown furthermore an advantageous embodiment of the apparatus according to the invention, which is based on drying of deinked mass by mixing a drier substance therewith, and
• figure 4 is shown furthermore an advantageous supplementary heat recovery embodiment according to the invention.
• the invention relates to an apparatus for the utilization of wet waste material, which apparatus comprises at least a dryer arrangement for drying of wet waste material and a press arrangement 3 for pelletizing of dried waste material.
• the apparatus is meant particularly for the utilization of deinked mass x, such as waste material comprising zero-fiber or flour or like, in pelletized form by combustion, wherein the dryer arrangement comprises one or several dryers 1 in order to dry the deinked mass e.g. on the principle shown in figure 1 by an air flow w to be led therethrough and/or one or several mixers 2 in order to dry the deinked mass e.g. on the principle shown in figure 3 by adding among the same a drier ingredient e.g. ground in a crushing device M.
• a drier ingredient e.g. ground in a crushing device M.
• the drying air w being brought to the air dryer 1 belonging to the dryer arrangement as an advantageous embodiment with over pressure from one or several blowers Ia, is led e.g. from below through the deinked mass, which passes on conveyors K through two successive dryers.
• the air dryer operable by under pressure by coupling the same on a suction side of one or several blowers .
• the dryer arrangement comprises at least one moveable air dryer 1, being carried out by such as an interchangeable platform, which has coupling and air flow arrangements Ib for drying air w that is to be led from below through the deinked mass x existing in the air dryer.
• an assembly Ic such as an overhead extractor hood for collecting of drying air, being led through the deinked mass.
• the apparatus comprises furthermore. as an advantageous embodiment an assembly Id for heat recovery from the air flow being led through the deinked mass s and/or from the manufactured pellets, and for transmitting the recovered heat further particularly for the drying or preheating of the drying air w and/or for a corresponding purpose.
• a supplementary heat recovery assembly IdI in order to transmit externally recovered heat particularly for drying or preheating of the drying air w and/or for a corresponding purpose.
• the supplementary heat recovery assembly IdI comprises as a further advantageous embodiment one or several solar cells, heat pumps and/or the like, an energy storing unit IdI 1 and/or transmitting means IdI" for the recovered heat .
• the supplementary heat recovery assembly IdI can be carried out advantageously e.g. by using an air heat pump operated with circulated liquid, such as e.g. water, as a heat recovery device, whereby the recovered heat can be stored e.g. in a boiler IdI' in order to transfer the recovered heat therefrom further e.g by an adjustable mixer valve IdI" to the drying air w by means of a second heat exchanger Id.
• an air heat pump operated with circulated liquid such as e.g. water
• a dryer platform such as e.g. a so called interchangeable platform with a hook
• a dryer which has five segments, into which drying air is led as shown with a cross section in the middle of the picture by suction and flow assemblies Ib existing under an intermediate bottom v of the dryer platform.
• the upper surface of the intermediate bottom is advantageously a perforated plate, on top of which there is placed e.g. a dryer wire.
• the intermediate bottom v of the interchangeable platform is furthermore inclined towards the blow openings, which openings have e.g. plugs during transportation of the interchangeable platform, thanks to which water drifting from the deinked mass to be dried may not leak from the platform onto the road.
• blow pipes being connected with a centrifugal blower, are coupled into the blow openings e.g. by camlock-fasteners .
• the drying is interrupted and the interchangeable platform is being emptied into a mixer of a pelletizing apparatus, which mixes the mass into homogeneous quality for pelletizing.
• a so called matrix press is being used as the pressing assembly 3, by means of which it is possible to produce pellets, when the pressing moisture is e.g. 25 - 30 %.
• the pressing assembly 3 by means of which it is possible to produce pellets, when the pressing moisture is e.g. 25 - 30 %.
• Ventilation of a storage silo A is carried out furthermore advantageously e.g. in a way that at the bottom thereof is a blower, which blows air through a cone, existing at the bottom of the silo and being manufactured from perforated plate.
• a blower which blows air through a cone, existing at the bottom of the silo and being manufactured from perforated plate.
• hot pellets are cooled and heat/end moisture is relieved into air, whereby heat can be recovered from the upper part of the silo with a heat exchanger Id.
• the apparatuses shown e.g. in figures 1 and 3, which include additionally a dryer Ie for the drying air, being placed furthermore advantageously before the blower Ia and by means of which the humidity of incoming air is being eliminated e.g. by electrical condensing, and the storage silo A, are advantageously placed e.g. in the factory area, where the waste is produced. In this case waste transportation does not cause any costs, whereby only supplementary material that is possibly needed in the process needs to be brought to the pelletizing plant from outside.
• Ash, being generated due to the combustion of the deinked mass pellets can be used furthermore as soil improvement material, which as such decreases the need for liming of the soil.

Landscapes

• Chemical & Material Sciences (AREA)
• Engineering & Computer Science (AREA)
• Oil, Petroleum & Natural Gas (AREA)
• Organic Chemistry (AREA)
• Life Sciences & Earth Sciences (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Sustainable Development (AREA)
• Geology (AREA)
• Geochemistry & Mineralogy (AREA)
• General Life Sciences & Earth Sciences (AREA)
• Environmental & Geological Engineering (AREA)
• Processing Of Solid Wastes (AREA)
• Drying Of Solid Materials (AREA)
• Treatment Of Sludge (AREA)
• Solid Fuels And Fuel-Associated Substances (AREA)
• Paper (AREA)

Priority Applications (3)

Applications Claiming Priority (2)

Publications (2)

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Family Applications (1)

Country Status (5)

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Citations (5)

Family Cites Families (7)

• 2007
  • 2007-05-09 FI FI20070191U patent/FI7754U1/fi not_active IP Right Cessation
• 2008
  • 2008-05-07 EP EP08761644.7A patent/EP2147086A4/en not_active Withdrawn
  • 2008-05-07 RU RU2009143634/13A patent/RU2478447C2/ru not_active IP Right Cessation
  • 2008-05-07 WO PCT/FI2008/050248 patent/WO2008139026A1/en active Application Filing
  • 2008-05-07 CN CN200880015177.1A patent/CN101688140B/zh not_active Expired - Fee Related

Patent Citations (5)

Non-Patent Citations (1)

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