EP2230477B1 - Holzspantrocknungsanlage zum Trocknen von Holzspänen und zugehöriges Verfahren zum Trocknen von Holzspänen - Google Patents

Holzspantrocknungsanlage zum Trocknen von Holzspänen und zugehöriges Verfahren zum Trocknen von Holzspänen Download PDF

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Publication number
EP2230477B1
EP2230477B1 EP09003440.6A EP09003440A EP2230477B1 EP 2230477 B1 EP2230477 B1 EP 2230477B1 EP 09003440 A EP09003440 A EP 09003440A EP 2230477 B1 EP2230477 B1 EP 2230477B1
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EP
European Patent Office
Prior art keywords
wood chips
dryer
drying
vapour
furnace
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.)
Active
Application number
EP09003440.6A
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German (de)
English (en)
French (fr)
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EP2230477A1 (de
Inventor
Matthias Dr. Iredi
Professor Dr. J. Hasch
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.)
Kronotec AG
Original Assignee
Kronotec AG
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 to PL09003440T priority Critical patent/PL2230477T3/pl
Application filed by Kronotec AG filed Critical Kronotec AG
Priority to PT09003440T priority patent/PT2230477E/pt
Priority to SI200931145T priority patent/SI2230477T1/sl
Priority to HUE09003440A priority patent/HUE024574T2/en
Priority to EP09003440.6A priority patent/EP2230477B1/de
Priority to ES09003440.6T priority patent/ES2532627T3/es
Priority to RU2011140939/06A priority patent/RU2534197C2/ru
Priority to AU2010223604A priority patent/AU2010223604B2/en
Priority to JP2011553322A priority patent/JP5734879B2/ja
Priority to MX2011008847A priority patent/MX2011008847A/es
Priority to KR1020167023267A priority patent/KR101738588B1/ko
Priority to CN201080011606.5A priority patent/CN102348949B/zh
Priority to US13/202,301 priority patent/US8832959B2/en
Priority to KR1020117023539A priority patent/KR101671045B1/ko
Priority to CA2753123A priority patent/CA2753123C/en
Priority to BRPI1009439A priority patent/BRPI1009439A2/pt
Priority to PCT/EP2010/001245 priority patent/WO2010102736A1/de
Priority to UAA201111855A priority patent/UA106746C2/ru
Publication of EP2230477A1 publication Critical patent/EP2230477A1/de
Priority to ZA2011/06123A priority patent/ZA201106123B/en
Application granted granted Critical
Publication of EP2230477B1 publication Critical patent/EP2230477B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • F26B23/022—Heating arrangements using combustion heating incinerating volatiles in the dryer exhaust gases, the produced hot gases being wholly, partly or not recycled into the drying enclosure
    • 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
    • F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
    • F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
    • 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
    • F26B21/02—Circulating air or gases in closed cycles, e.g. wholly within the drying enclosure
    • 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
    • F26B23/00—Heating arrangements
    • F26B23/02—Heating arrangements using combustion heating
    • F26B23/022—Heating arrangements using combustion heating incinerating volatiles in the dryer exhaust gases, the produced hot gases being wholly, partly or not recycled into the drying enclosure
    • F26B23/024—Heating arrangements using combustion heating incinerating volatiles in the dryer exhaust gases, the produced hot gases being wholly, partly or not recycled into the drying enclosure by means of catalytic oxidation
    • 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
    • F26B25/06—Chambers, containers, or receptacles
    • 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
    • F26B3/02—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air
    • F26B3/04—Drying solid materials or objects by processes involving the application of heat by convection, i.e. heat being conveyed from a heat source to the materials or objects to be dried by a gas or vapour, e.g. air the gas or vapour circulating over or surrounding the materials or objects to be dried
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B2210/00—Drying processes and machines for solid objects characterised by the specific requirements of the drying good
    • F26B2210/16—Wood, e.g. lumber, timber
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/253—Cellulosic [e.g., wood, paper, cork, rayon, etc.]

Definitions

  • the invention relates to a wood chip drying plant according to the preamble of claim 1.
  • the invention relates to a method for drying wood chips, comprising the steps of (a) passing flue gas from a furnace to a dryer, (b) drying the wood chips in the dryer to form vapors, and (c) recycling at least part of the vapor in the dryer.
  • wood dust is burned in the furnace usually.
  • the resulting hot flue gases are led into a mixing chamber and there with vapors, which is also called backwash, to mix. Due to the mixing, the temperature of the resulting dryer gas drops to approximately 380 ° C to 420 ° C.
  • the dryer gas is then fed to the dryer, where the wood chips are dried.
  • the resulting vapor is fed to a cyclone and then partially returned to the mixing chamber.
  • the dried wood chips are then mixed with glue and pressed into a wood-based panel.
  • a disadvantage of such wood chip drying plants is that the wood-based panels made of wood chips can give off volatile organic substances.
  • a further known hot gas production and drying of the wood chips takes place in the form that primarily wood dust is burned with its own combustion air supply in a combustion chamber.
  • the approximately 900-volume flue gases of this combustion pass into a mixing chamber, in which the so-called return vapors, the false air for cooling and optionally external hot gas are introduced.
  • the drying hot gases for introduction into the chip dryer to the necessary requirements temperature of about 350 - 480 ° C, total volume flow and humidity
  • the thus prepared hot gas volume flow or drying air volume flow is sucked by means of Saugzugventilator about the drying drum, in the drying drum, the wood chips are dried in direct contact with the hot gases.
  • the induced draft fan conveys the total hot gas volume flow involved in the drying process to a filter system which is designed primarily as a cyclone separator but also as an electron filter.
  • This filter system separates primarily only solid particles to a limited extent.
  • a partial flow called backflow volumetric flow, is fed back to the aforementioned mixing chamber.
  • the drying of the wood shavings requires a balanced temperature, energy and volume flow balance, which must be adjusted depending on the product (chip size, throughput, humidity, type of dryer).
  • the dried wood chips are separated after the dryer drum, mixed with glue and pressed into a wood-based panel.
  • a disadvantage of such wood chip drying plants is that the wood-based panels produced from the wood chips can emit volatile organic substances resulting from resins and terpenes.
  • the hot gases for drying the wood chips partially absorb the resins and terpenes contained in the wood.
  • the best effect of this is achieved by the fact that the dryer hot gases at the inlet of the dryer free of fiber Kind are.
  • the hot gases at the drier inlet but are mixed by known methods with backbones, which have already participated in the drying process. The mixing volume flow is thus reduced in the uptake of resins and terpenes.
  • the dryer hot gases conducted into the dryer are generated entirely from vapors mixed with the exhaust gases from the combustion of primary fuels.
  • the vapors are partially passed into the combustion chamber and thermally treated here at about 850 ° C.
  • the further vapor fraction is passed through a tube bundle heat exchanger and heated here to about 380 to 450 ° C with simultaneous cooling of the hot gases from the combustion chamber.
  • the vapors heated up via the heat exchanger are not thermally treated due to the temperature level.
  • Serious disadvantages of this type of hot gas production with the tube bundle heat exchanger systems is low availability due to contamination of the heat exchanger surfaces. Only a part of the vapors goes through a thermal treatment. The combustion air for burning the primary fuel is sucked in externally. The thermal efficiency of the process is relatively unfavorable.
  • a garbage dryer From the DE 197 28 545 A1 is known a garbage dryer. Unlike in wood drying systems, the moisture as well as the terpene and particulate matter content do not play a relevant role in garbage drying plants, so that the device described there is not suitable for drying wood chips. From the CH 133 536 a method for drying bulk goods is known, which is formed in multiple stages. A regenerative or catalytically effective heat exchanger does not describe the document.
  • WO 99/09364 For example, a method of reducing volatile organic compounds in the drying gas of a wood chip drying plant is known.
  • the described method uses two dryers, from exactly one of them is driven so that essentially all volatile organic components are expelled in this dryer.
  • the gas originating from this dryer is oxidized in one reactor and then fed to the other dryer.
  • a disadvantage of the method is that it must always be adapted to new changes in the quality of the material to be dried, which leads to an increased effort in the process technology.
  • the invention has for its object to provide a wood chip drying plant in which the furnace can be operated with very high efficiency and in which the wood chips have a particularly low content of volatile organic compounds.
  • the invention solves the problem by a wood chip drying plant according to claim 1.
  • the invention solves the problem by a method according to claim 8.
  • a method for producing a wood-based panel which comprises the method according to claim 8, is also provided.
  • An advantage of the invention is that by oxidizing present in the vapor solids through the regenerative heat exchanger, these solids can not accumulate in the dryer gas. It has been shown that such solids, such as small wood chips, easily settle in pipes or recuperative heat exchangers and can lead to malfunction
  • the aspect of economical operation with the lowest primary fuel input is the basis of the invention.
  • the invention will substantially reduce the contaminants adhering or containing during the drying of the chips or during the subsequent production of the chipboard and / or OSB boards. Also, the emissions, which are formed by the residual pollutants in the exhaust gases to be derived to the atmosphere drastically reduced.
  • An advantage of the invention is that by oxidizing hydrocarbons present in the vapors and the combustible solids through the thermal, regenerative heat exchanger system, the capacity of the hot gases introduced into the dryer increases with respect to exiting resins and terpenes and thus drastically reduces the remaining load on the dried wood chips.
  • the aggregates and hot gas piping between the thermal, regenerative plant and the drier entry are also drastically reduced in the tendency to fouling. This significantly increases the availability of the system.
  • the invention described in particular also has the advantage that existing hot gas generation systems can be retrofitted with little effort while retaining the existing system components.
  • firing is understood as meaning in particular wood product firing which burns wood chips (biomass) or wood dust.
  • a furnace may also have a support control, for example a gas and / or oil support control.
  • the dryer is understood in particular to mean any device which is set up and designed to dry wood chips.
  • the dryer is provided with an associated control, which regulates a hot gas drying temperature and a hot gas volume flow at the dryer inlet, that a technologically necessary residual moisture is achieved in the wood chips at the dryer outlet.
  • the return device is understood to mean any device which is designed to recirculate gases (vapors) exiting the dryer to a location of the wood chip drying plant so that these gases (vapors) again flow through the dryer.
  • Brines are the gas that leaves the dryer. It is possible that only some of the vapors (called backwashes) are treated in such a way that organic compounds that are left over from backwaters are oxidized or combustible solid particles are burned. In this case, a part of the vapor is not returned, but fed to the atmosphere via a vapor purification plant. However, it is also possible that the entire vapors after the dryer are completely fed to a device for oxidizing organic compounds present in the vapors and for combusting combustible solid particles, so that the remaining emission to the atmosphere substantially decreases.
  • the wood chip drying plant is designed to remove any vapors present in the vapor before returning it to the dryer is understood in particular to mean that at least some of the vapors are treated in such a way that a concentration of solids drops markedly.
  • the wood chip drying plant is designed so that at least the portion of the vapor that re-enters the dryer is treated so that the concentration of solids is reduced by at least 75% to 90%.
  • the particles are understood in particular as meaning wood particles.
  • the wood chip drying plant is designed for heating at least a portion of the vapors to a temperature of at least 720 ° C. As a rule, it is sufficient to choose a temperature of at most 900 °. The temperature is chosen to oxidize a majority of the solids.
  • the hot gas generation plant with its facilities is designed so that substantially all organic substances (CnHm compounds) and also combustible solid particles are removed by thermal treatment from the drying hot gases prior to introduction into the dryer.
  • the invention is based on the aspect that the remindbrüden be completely heated to a temperature of 720 to 900 ° C and thus burned almost without residue all organic, combustible materials, or be oxidized. This applies in particular to all hydrocarbon compounds (CnHm compounds) but also to all flammable, wood-like solid particles which are introduced via the backwashes. Furthermore, the thermally treated backwash after regenerative treatment as combustion air of the combustion chamber to Wood burning, or natural gas, light oil or heavy fuel fired with appropriate temperature, which is accompanied by a fuel economy.
  • the return device is designed for returning at least part of the thermally, regeneratively treated vapors into the furnace.
  • a generic wood chip drying plant according to the invention which is designed so that all back vapors, ie vapors that get into the dryer again, are returned to the furnace.
  • the vapors are supplied as combustion air of the flame, for example the wood dust flame, the natural gas flame, the light oil flame and / or the heavy oil flame, so that a fuel economy is effected.
  • thermally untreated vapors can be supplied to the combustion, which then takes place only in the flame, the thermal treatment of the hydrocarbons and the combustible solid particles. In this variant, however, malfunctions due to contamination on the burner and its ancillary units with reduced availability are inevitable.
  • the return device is designed to heat the vapors to a temperature of at least 750 °.
  • a temperature window of 720 ° C to 900 ° C is suitable.
  • the Brüdenerhitzer also has a catalytic exhaust treatment plant in which organic substances are catalytically oxidized. Only temperatures of 380 to 480 ° C will be required. However, the combustible solid particles remain unburned in the catalytic process.
  • the Brüdenerhitzer is preferably designed so that the vapors with the organic compounds and optionally residual solid particles completely participate in a combustion.
  • the thermal, regenerative cleaning system can be designed so that the treated vapors leave the exhaust air treatment plant with a temperature between 20 ° C and 80 ° C higher. Particularly suitable is a thermal, regenerative exhaust air treatment plant when the treated vapors leave it with a temperature around 40 ° C higher.
  • the recirculation device is designed to heat the vapor by means of flue gas of the wood dust firing.
  • the cleaning system is also designed so that for reheating the vapors and primary fuels such as natural gas, light oil and / or heavy oil can be used.
  • a mixing chamber Downstream of the furnace and / or behind the thermal exhaust treatment plant, a mixing chamber may be arranged, in which the flue gas from the furnace with the treated vapors from the exhaust air treatment plant and optionally mixed with false air and secondary hot gases so that the resulting dryer hot gas a predetermined temperature and have a predetermined humidity.
  • the dryer hot gas is then fed to the dryer.
  • the wood chip drying plant on a downstream arranged behind the firing denitrification on.
  • This denitrification system works particularly effectively in a temperature window of 800 to 950 ° C.
  • urea can be injected into the flue gas stream, so that the nitrogen oxides contained in the flue gas are reduced.
  • the denitrification system is preferably arranged such that the injection point, at which the urea is injected, is arranged in a connection between the furnace and the mixing chamber.
  • the denitrification system can reduce nitrogen oxide emissions by more than 30%, with 50% being achievable.
  • the wood chip drying plant comprises a dryer gas wetting device for increasing a moisture of drying gas flowing into the dryer.
  • the dryer gas humidifier is preferably operated so that an absolute humidity is at least 600 grams per cubic meter. It has proved to be favorable if the absolute humidity is below 1 200 grams per cubic meter.
  • the dryer gas humidifying device is set up for mixing vapors and flue gas of the furnace so that the moisture of the dryer gas adjusts to a desired value.
  • the dryer is at the same time designed as a hot extraction device in which water-soluble substances are released from the wood shavings. Accumulation of the substances thus released from the wood chips is prevented by the above-described internal afterburning in the recycling device for the recirculated vapors.
  • the wood chip drying plant is designed so that at least 70% of the terpenes present in the wood chips are triggered during drying.
  • This reduction in terpenes in the chips provides for a drastic reduction in terpene emissions in wood-based panels made from the chips.
  • the hot gas generator may also include a regenerative heat exchanger system disposed between the combustor and the mixing chamber.
  • the regenerative heat exchanger system can be designed so that a thermal efficiency of up to 95% is achieved here.
  • the regenerative heat exchanger system is equipped with a burn-out procedure, which allows cleaning during operation and guarantees a very high level of availability.
  • An inventive method is characterized in that at least a portion of the vapors is returned to the fire.
  • a part, in particular a predominant part of the vapors which are recycled, are thermally treated, so that a concentration at organic compounds falls below a predetermined threshold.
  • Wood chips are most preferably used, which mainly comprise pine chips. Pine chips have a high content of terpenes, so that in previous drying process for drying these chips a high proportion of terpenes has remained in the chips. This lowers the quality of the wood-based panels made from these wood shavings.
  • the invention allows a particularly strong increase in the quality of the wood-based panels.
  • the return vapors are heated at an inlet temperature of 80 to 130 ° C to a temperature of 720 ° C to 900 ° C and out with an approximately 20 to 80 ° C higher outlet temperature compared to the inlet temperature to the mixing chamber by means of a fan.
  • the heating takes place the regenerative heat exchanger systems with a thermal efficiency, depending on the version of 88 to 97%.
  • the primary heating for the final heating of the return vapors to 720 to 900 ° C is done with the introduction of hot gases from the wood dust firing or alternatively with natural gas, light oil or heavy oil.
  • the invention also provides a method for producing a wood-based panel, in particular an OSB panel, comprising the steps of (a) producing wood chips with a method according to the invention, wherein a predetermined residual moisture is set in the wood chips, (b) mixing the wood chips with adhesive and ( c) pressing the wood chips with the adhesive to the wood-based panel.
  • a method according to the invention preferably comprises the step of burning the regenerative heat exchanger free. It has been shown that solids can accumulate in the heat exchanger. These can be eliminated by burnout. It is advantageous if the Brüdenerhitzer comprises at least two regenerative heat exchangers, so that the burn-out during operation can be done.
  • FIG. 1 shows a wood chip drying plant 10 with a furnace 12, the schematically drawn wood dust 14 is supplied.
  • the wood chip drying plant 10 also includes a dryer 16, the wood chips 18 are supplied in a wood chip feed. Dried wood chips leave the dryer 16 via a trigger 54.
  • the wood chip drying plant has a mixing chamber 20, which is acted upon by flue gas 22 from the furnace 12.
  • the mixing chamber 20 also opens a first vapor line 24, a cooling air line 26 and a hot gas line 28.
  • the mixing chamber 20 is adapted to discharge dryer gas 30 in a dryer gas line 32, wherein the dryer gas 30 has a preset temperature and a preset absolute humidity.
  • the drier 16 leaves vapor 34 through a vapor discharge line 36, which leads to a first cyclone 38 and subsequently to a second cyclone 40. Part of the vapor is decoupled from the vapor discharge line 36 and passed into an exhaust gas treatment plant.
  • a denitrification plant 50 is arranged, which comprises a urea injection 52.
  • This urea Induction 52 is arranged in the flow direction in front of the flue gas duct 44 and in front of the mixing chamber 20 and leads to a selective reduction of the nitrogen oxides to nitrogen.
  • the components which are arranged downstream of the drier 16 with respect to the vapor stream are part of a return device 56.
  • the return device 56 thus comprises, in particular, the vapor heater 42, which could also be referred to as the oxidation reactor, and the lines 36, 44 and 24.
  • an exhaust duct 60 a portion of the vapors is discharged into the atmosphere.
  • the wood chips are preferably chips of fat-containing woods, for example softwood and in particular pine, which the dryer 16 by a Exit outlet 54 are then mixed with adhesive and pressed to a wood-based panel.
  • This wood-based panel is preferably an OSB panel.
  • the wood-based panel shows a drastically reduced terpene emission.
  • the wood chip drying plant according to the invention achieves a thermal efficiency of up to 97%.
  • FIG. 2 shows a second embodiment of a wood chip drying plant 10 according to the invention with a furnace 12, the dryer 16 for the wood chips 18 and the return device 56 for returning the vapors 34 in the dryer 16.
  • the return device 56 includes the Brüdenerhitzer 42, a regenerative, recuperative and / or catalytic heat exchanger 58 which is arranged downstream of the dryer 16 and which is designed to heat the vapor 34 to a temperature which is so high that at least predominantly the particles present in the vapor 34 are oxidized.
  • the resulting flue gases are again passed through the heat exchanger 58 and then pass into the mixing chamber 20, where they are optionally mixed with hot gas or cooling air, so that dryer gas is formed.
  • the dryer gas is fed to the dryer 16.
  • the vapors are directed via an induced draft fan 62 into the cyclone 40, which is combined with an electronic filter and forms a vapor purifier.
  • the backburns are supplied to the regenerative heat exchanger system 58, which can be heated by means of a firing 64 for natural gas, light oil or heavy oil to perform a burnout (burnout).
  • the vapors leave the regenerative heat exchanger system 58 and arrive at a vapor injection 66
  • a combustion air blower 68 is a part of the vapors in the combustion chamber or the furnace 12 passed
  • FIG. 3 shows a circuit diagram of a wood chip drying plant according to the invention, in which the vapors 34 are passed into a thermal regenerative Automatbrüdentivtivsstrom 70.
  • the total vapor purifier 70 is operated with flue gas 22 and may be fired via the firing 64 with alternative fuels, natural gas, light oil, or heavy fuel oil.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Sustainable Development (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Microbiology (AREA)
  • Drying Of Solid Materials (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
EP09003440.6A 2009-03-10 2009-03-10 Holzspantrocknungsanlage zum Trocknen von Holzspänen und zugehöriges Verfahren zum Trocknen von Holzspänen Active EP2230477B1 (de)

Priority Applications (19)

Application Number Priority Date Filing Date Title
PT09003440T PT2230477E (pt) 2009-03-10 2009-03-10 Instalação de secagem de aparas de madeira para secagem de aparas de madeira e processo associado de secagem de aparas de madeira
SI200931145T SI2230477T1 (sl) 2009-03-10 2009-03-10 Linija za suĺ enje lesnega iverja za suĺ enje lesnih iveri in pripadajoäś postopek za suĺ enje lesnih iveri
HUE09003440A HUE024574T2 (en) 2009-03-10 2009-03-10 Wood chips dryer for drying wood chips and a method for drying wood chips
EP09003440.6A EP2230477B1 (de) 2009-03-10 2009-03-10 Holzspantrocknungsanlage zum Trocknen von Holzspänen und zugehöriges Verfahren zum Trocknen von Holzspänen
ES09003440.6T ES2532627T3 (es) 2009-03-10 2009-03-10 Instalación de secado de virutas de madera para secar virutas de madera y correspondiente procedimiento para secar virutas de madera
PL09003440T PL2230477T3 (pl) 2009-03-10 2009-03-10 Urządzenie do suszenia wiórów drzewnych oraz sposób suszenia wiórów drzewnych
AU2010223604A AU2010223604B2 (en) 2009-03-10 2010-03-01 Wood chip drying system for drying wood chip and associated method for drying wood chip
JP2011553322A JP5734879B2 (ja) 2009-03-10 2010-03-01 木材チップを乾燥させるための木材チップ乾燥プラントおよび木材チップを乾燥させるための対応の方法
MX2011008847A MX2011008847A (es) 2009-03-10 2010-03-01 Sistema de secado de viruta de madera para secar virutas de madera y metodo asociado para secar viruta de madera.
KR1020167023267A KR101738588B1 (ko) 2009-03-10 2010-03-01 목재 조각을 건조하기 위한 목재 조각 건조 시스템 및 그와 관련된 목재 조각 건조 방법
RU2011140939/06A RU2534197C2 (ru) 2009-03-10 2010-03-01 Сушильная установка для сушки древесной стружки и соответствующий способ сушки древесной стружки
CN201080011606.5A CN102348949B (zh) 2009-03-10 2010-03-01 用于干燥木屑的木屑干燥系统以及相应的木屑干燥方法
US13/202,301 US8832959B2 (en) 2009-03-10 2010-03-01 Wood chip drying system for drying wood chip and associated method for drying wood chip
KR1020117023539A KR101671045B1 (ko) 2009-03-10 2010-03-01 목재 조각을 건조하기 위한 목재 조각 건조 시스템 및 그와 관련된 목재 조각 건조 방법
CA2753123A CA2753123C (en) 2009-03-10 2010-03-01 Wood chip drying system for drying wood chip and associated method for drying wood chip
BRPI1009439A BRPI1009439A2 (pt) 2009-03-10 2010-03-01 instalação para secagem de cavacos de madeira e processo correspondente para a secagem de cavacos de madeira
PCT/EP2010/001245 WO2010102736A1 (de) 2009-03-10 2010-03-01 Holzspantrocknungsanlage zum trocknen von holzspänen und zugehöriges verfahren zum trocknen von holzspänen
UAA201111855A UA106746C2 (ru) 2009-03-10 2010-03-01 Сушильная установка ДЛЯ СУШКИ древесной стружки и соответствующий способ сушки древесной стружки
ZA2011/06123A ZA201106123B (en) 2009-03-10 2011-08-19 Wood chip drying system for drying wood chip and associated method for drying wood chip

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CN110382961A (zh) 2017-03-03 2019-10-25 道格拉斯科技有限公司 用于连续干燥散装物品、特别是木屑和/或木纤维的包括热气旋风分离器的设备和方法
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UA125909C2 (uk) 2017-06-06 2022-07-06 Даґлас Текнікал Лімітед Установка і спосіб безперервного сушіння насипних матеріалів
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CN107504764A (zh) * 2017-08-08 2017-12-22 龙门县景龙生物能源有限公司 一种空气能木材烘干设备
CN110108101A (zh) * 2018-02-01 2019-08-09 寿光市鲁丽木业股份有限公司 一种湿刨花干燥系统及其干燥工艺
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WO2022223075A1 (de) * 2021-04-19 2022-10-27 Dürr Systems Ag, Stuttgart Werkstückbearbeitungsanlage und verfahren zum herstellen und betreiben einer solchen werkstückbearbeitungsanlage

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RU2011140939A (ru) 2013-04-20
ES2532627T3 (es) 2015-03-30
MX2011008847A (es) 2011-09-29
AU2010223604B2 (en) 2014-12-18
CN102348949B (zh) 2014-04-02
EP2230477A1 (de) 2010-09-22
PT2230477E (pt) 2015-03-04
CA2753123A1 (en) 2010-09-16
ZA201106123B (en) 2012-10-31
AU2010223604A1 (en) 2011-09-08
US8832959B2 (en) 2014-09-16
RU2534197C2 (ru) 2014-11-27
JP2012519828A (ja) 2012-08-30
SI2230477T1 (sl) 2015-04-30
BRPI1009439A2 (pt) 2016-03-01
CA2753123C (en) 2016-11-01
CN102348949A (zh) 2012-02-08
KR101671045B1 (ko) 2016-10-31
PL2230477T3 (pl) 2015-05-29
KR20160105536A (ko) 2016-09-06
KR20110126163A (ko) 2011-11-22
US20110305897A1 (en) 2011-12-15
UA106746C2 (ru) 2014-10-10

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