EP2655567A1 - Système de distribution de vapeur pour le traitement de la biomasse - Google Patents

Système de distribution de vapeur pour le traitement de la biomasse

Info

Publication number
EP2655567A1
EP2655567A1 EP11811158.2A EP11811158A EP2655567A1 EP 2655567 A1 EP2655567 A1 EP 2655567A1 EP 11811158 A EP11811158 A EP 11811158A EP 2655567 A1 EP2655567 A1 EP 2655567A1
Authority
EP
European Patent Office
Prior art keywords
steam
bar
heating
biomass
water
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.)
Withdrawn
Application number
EP11811158.2A
Other languages
German (de)
English (en)
Inventor
Henrik Boye JØRGENSEN
Henning Andersen
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.)
Inbicon AS
Original Assignee
Inbicon AS
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 Inbicon AS filed Critical Inbicon AS
Publication of EP2655567A1 publication Critical patent/EP2655567A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
    • F22B1/1861—Waste heat boilers with supplementary firing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
    • F01K17/06—Returning energy of steam, in exchanged form, to process, e.g. use of exhaust steam for drying solid fuel or plant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
    • F01K17/02—Using steam or condensate extracted or exhausted from steam engine plant for heating purposes, e.g. industrial, domestic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/34—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating
    • F01K7/40—Use of two or more feed-water heaters in series
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/08—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being steam
    • 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
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/14—Combined heat and power generation [CHP]
    • 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

Definitions

  • the field of the invention relates to delivery of steam produced by an electrical power generation plant to a lignocellulosic biomass refinery.
  • second generation bioethanol produced from lignocellulosic biomass such as crop wastes (stalks, cobs, pits, stems, shells, husks, etc.), grasses, straws, wood chips, waste paper and the like.
  • fermentable 6-carbon sugars, and potentially fermentable 5-carbon sugars are liberated from biomass polysaccharide polymer chains by enzymatic hydrolysis or, in some cases, by pure chemical hydrolysis.
  • the fermentable sugars obtained from biomass conversion can be used to produce fuel ethanol or, alternatively, other fuels such as butanol, or lactic acid monomers for use in synthesis of bioplastics, or many other products.
  • hydrothermal pretreatments are especially attractive. These utilize pressurized steam/liquid hot water at temperatures on the order of 160 - 230 o C to gently melt hydrophobic lignin that is intricately associated with cellulose strands, to solubilize a major component of hemicellulose, rich in 5 carbon sugars, and to disrupt cellulose strands so as to improve accessibility to productive enzyme binding. Hydrothermal pretreatment does not require any added industrial chemicals and can be conveniently integrated with existing coal- and biomass-fired electrical power generation plants to efficiently utilize turbine steam and "excess" power production capacity.
  • steam supply for the biomass refinery is produced first by pressurizing comparatively low temperature water ( ⁇ 100 o C) to a desired final pressure then heating the pressurized water to a final steam temperature by means of a series of heat exchangers fed by turbine steam.
  • Power generation plants are typically configured so as to provide discrete extraction points where turbine steam may be extracted for other purposes. However these extraction points typically extract steam having a definite pressure. It can occur that a power generation plant is configured to provide extraction steam at pressures that do not correspond to the steam pressure requirements of the biomass refinery. Accordingly, where steam is provided directly by the power generation plant to the biomass refinery, there can often be
  • At least one compressor for pressurizing low temperature water to pressures of at least 5 bar
  • FIG. 1 shows a schematic illustration of one preferred embodiment of a system according to the invention.
  • Two separate pre-heating trains are used to provide steam at two different final pressures of 10 and 20 bar.
  • a compressor (1 ) compresses low temperature water to a final pressure of 10 bar.
  • compressed low temperature water is then heated by series of three counter-current heat exchangers (2) supplied with heat by extracted turbine steam (3) from an associated power generation plant.
  • the pre-heated, pressurized water is then conveyed as steam to biomass processing devices such as distillation units, dryers and evaporators by means of steam pipeline (4).
  • biomass processing devices such as distillation units, dryers and evaporators by means of steam pipeline (4).
  • a compressor (5) compresses low temperature water to a final pressure of 20 bar.
  • compressed low temperature water is then heated by series of three counter-current heat exchangers (6) supplied with heat by extracted turbine steam (7) from an associated power generation plant.
  • the pre-heated, pressurized water is then conveyed as steam to biomass processing devices such as hydrothermal pretreatment reactors by means of steam pipeline (8).
  • pre-heating trains may be configured in a variety of different ways, depending on the level of turbine steam pressure that is available for extraction from the power generation plant.
  • a steam delivery system according to the invention may be used in combination with an additional heat source.
  • 10 bar steam from a pre-heating train fed by turbine steam can be further super-heated to 20 bar steam using a gas-fired boiler.
  • methane gas for such a boiler can be provided by anaerobic digestion of waste water produced by the biomass refinery.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Processing Of Solid Wastes (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)

Abstract

L'invention concerne la distribution de la vapeur produite par une centrale électrique à une raffinerie de biomasse lignocellulosique.
EP11811158.2A 2010-12-21 2011-12-21 Système de distribution de vapeur pour le traitement de la biomasse Withdrawn EP2655567A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201061425251P 2010-12-21 2010-12-21
PCT/IB2011/055852 WO2012085860A1 (fr) 2010-12-21 2011-12-21 Système de distribution de vapeur pour le traitement de la biomasse

Publications (1)

Publication Number Publication Date
EP2655567A1 true EP2655567A1 (fr) 2013-10-30

Family

ID=45509584

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11811158.2A Withdrawn EP2655567A1 (fr) 2010-12-21 2011-12-21 Système de distribution de vapeur pour le traitement de la biomasse

Country Status (6)

Country Link
US (1) US20130269631A1 (fr)
EP (1) EP2655567A1 (fr)
CN (1) CN103339237A (fr)
BR (1) BR112013015640A2 (fr)
CA (1) CA2822423A1 (fr)
WO (1) WO2012085860A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9440163B2 (en) 2011-09-14 2016-09-13 Aquasource Technologies Corporation System and method for water treatment
EP3333312B1 (fr) 2016-12-08 2019-09-18 Valmet AB Procédé et système de traitement de biomasse
EP3333313B1 (fr) 2016-12-08 2019-10-16 Valmet AB Procédé de traitement de biomasse et dispositif de traitement de biomasse
EP3333311B1 (fr) 2016-12-08 2019-09-25 Valmet AB Procédé d'imprégnation de biomasse et dispositif d'imprégnation de biomasse

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006022687A2 (fr) * 2004-08-03 2006-03-02 The Regents Of The Universtiy Of California Procede de pyrolyse de vapeur ameliorant l'hydro-gazeification de matieres carbonees

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Also Published As

Publication number Publication date
WO2012085860A1 (fr) 2012-06-28
US20130269631A1 (en) 2013-10-17
BR112013015640A2 (pt) 2016-10-11
CN103339237A (zh) 2013-10-02
CA2822423A1 (fr) 2012-06-28

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