EP3641996A1 - Anlage und verfahren zur herstellung von beleimten pflanzenpartikeln - Google Patents
Anlage und verfahren zur herstellung von beleimten pflanzenpartikelnInfo
- Publication number
- EP3641996A1 EP3641996A1 EP18750376.8A EP18750376A EP3641996A1 EP 3641996 A1 EP3641996 A1 EP 3641996A1 EP 18750376 A EP18750376 A EP 18750376A EP 3641996 A1 EP3641996 A1 EP 3641996A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plant
- particles
- air
- plant particles
- glued
- 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.)
- Granted
Links
- 239000002245 particle Substances 0.000 title claims abstract description 158
- 238000009434 installation Methods 0.000 title claims abstract 7
- 238000004519 manufacturing process Methods 0.000 title claims description 37
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000010902 straw Substances 0.000 claims abstract description 44
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 27
- 239000011093 chipboard Substances 0.000 claims abstract description 13
- 239000007858 starting material Substances 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 46
- 239000000835 fiber Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 18
- 239000011094 fiberboard Substances 0.000 claims description 15
- 238000003892 spreading Methods 0.000 claims description 11
- 235000013311 vegetables Nutrition 0.000 claims description 11
- 230000005484 gravity Effects 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000012216 screening Methods 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 description 88
- 239000003570 air Substances 0.000 description 66
- 238000000926 separation method Methods 0.000 description 14
- 238000012545 processing Methods 0.000 description 12
- 150000004760 silicates Chemical class 0.000 description 12
- 238000002156 mixing Methods 0.000 description 9
- 239000002023 wood Substances 0.000 description 9
- 239000004575 stone Substances 0.000 description 8
- 241000209094 Oryza Species 0.000 description 7
- 235000007164 Oryza sativa Nutrition 0.000 description 7
- 235000009566 rice Nutrition 0.000 description 7
- 239000011230 binding agent Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000000007 visual effect Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 241000609240 Ambelania acida Species 0.000 description 1
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000010905 bagasse Substances 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- 230000035784 germination Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000005418 vegetable material Substances 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/38—Adding fluid, other than for crushing or disintegrating by fluid energy in apparatus having multiple crushing or disintegrating zones
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C9/00—Other milling methods or mills specially adapted for grain
- B02C9/02—Cutting or splitting grain
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C9/00—Other milling methods or mills specially adapted for grain
- B02C9/04—Systems or sequences of operations; Plant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
- B07B9/02—Combinations of similar or different apparatus for separating solids from solids using gas currents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K9/00—Chemical or physical treatment of reed, straw, or similar material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
- B27N1/02—Mixing the material with binding agent
- B27N1/0218—Mixing the material with binding agent in rotating drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/02—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/04—Manufacture of substantially flat articles, e.g. boards, from particles or fibres from fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/18—Auxiliary operations, e.g. preheating, humidifying, cutting-off
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/02—Arrangement of air or material conditioning accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
- B07B4/06—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall using revolving drums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
- B27N3/14—Distributing or orienting the particles or fibres
Definitions
- the invention relates to a plant and a process for the preparation of glued plant particles, especially from annual plants, for the production of plates, for. B. fiberboard or chipboard, with at least one crushing device for crushing vegetable starting material to streurecten plant particles and with a gluing device for Beieimen the plant particles.
- the vegetable starting material is lignocellulose-containing starting material, eg. Wood.
- lignocellulose-containing starting material eg. Wood.
- fast-growing plants are cereal plants (or the resulting straw), z.
- Streupun particles from such plants or vegetable starting material are in practice for the production of plates, for.
- chipboard or fiberboard by gluing the spreadable plant particles with a binder or glue and then pressed in a press to plates.
- suitable dispersible devices chips or fibers
- suitable dispersible devices chips or fibers
- particles of wood as well as particles of annual plants can be processed identically or in a very similar manner by applying the (glued) particles with one or more scattering devices to form a spreading material mat on z.
- a scatter belt conveyor scattered and fed to a press, wherein the spreading material mat is pressed in the press using pressure and heat to a plate.
- the press may be a cycle press (eg a one-floor or multi-day press) or a continuous press.
- the above-mentioned scattering devices are known with which on a scattering belt conveyor a grit mat is generated, this grit mat is fed to a press in which the grit mat is pressed using pressure and heat to a plate.
- a scattering device for producing such a grit mat from glued particles is z. B. from US 2003/0066168 A1. In this scattering device or dissolver an air classifier can be integrated.
- a device for air classification of chips or fibers added with binder is, for. B. also known from DE 198 35 419 A1.
- the invention has for its object to provide a system and a method by which the glued plant particles, in particular from annual plants, for the production of plates (eg., Fibreboard or chipboard), can be produced economically.
- the problems resulting from silicates should be reduced or minimized.
- the invention teaches in a generic plant for the production of glued plant particles for the production of plates, that between the crushing device and the gluing device at least a first separating, in particular viewing device for separating (or depositing) of silicate particles from the plant particles or the plant particle stream is arranged.
- the invention is based on the finding that plates, z. B. fiberboard or chipboard, not only economically with high quality of wood, but in particular also produce from annual plants, the
- silicates or silicate particles therefore refer, in particular, to the silicates / silicate particles incorporated into the plants or their fibers or cells during growth, which are freed by comminution of the plants and / or by disrupting the fibers.
- Silicate particles preferably means those having a diameter of less than 50 ⁇ m, preferably up to 20 ⁇ m.
- the viewing device for separating the silicate particles from the vegetable particle stream is designed as an air classifier.
- the supplied plant particles are subjected to an air flow (eg crossflow), wherein silicate particles are removed with the air flow via an air outlet and the plant particles (and possibly foreign bodies) are taken up by gravity from a particle intake arranged below the air outlet and used as product for the further processing are dissipated.
- the invention is based on the surprising finding that in plant material, eg. As straw or the like, embedded silicates can be effectively separated by means of an air classifier of the intended for further processing plant particles. This is partly due to the fact that the silicates in the plant material, eg. B. in straw particles or the like in proportion
- the silicate particles are reliably entrained by the air stream introduced into the classifier so that they can be removed with the air stream via an air outlet, while the remaining particles, i. H.
- the plant particles intended for further processing fall down and can be taken up or removed in a suitable particle receptacle. This separation succeeds with surprisingly high efficiency.
- silicate particles due to their very small (and uniform) dimension form an aerosol together with the air flow, so that the silicate particles are transported reliably as solid suspended particles in the air stream (or other gas stream).
- the air (or other gas) thus forms a carrier gas for the silicate particles.
- the sighting device which is designed as an air classifier, may preferably have an (upper) material inlet for the supply of the plant particles and an air inlet arranged below the material inlet.
- an air outlet is provided, via which the supplied air (or another gas) are removed with the silicate particles.
- the particle intake is intended for the plant particles intended for further processing.
- the introduced from above via a material inlet into a classifier housing plant particles are consequently preferably applied in cross-flow with the air flow. Basically, but there is also the alternative, the view air supplied from below and z. B. to work in upflow.
- the air classifier in a preferred embodiment has a coarse material intake, which is likewise arranged below the air outlet and which is arranged upstream of the particle intake in the flow direction.
- Large and heavy foreign bodies, eg. B. stones that get into the viewing device with the plant particles can be separated in this way and removed via the coarse material, so that in this embodiment, a separation into three fractions (coarse stone, plant particles, silicate particles) takes place.
- the material is comminuted so that the chambers are broken up within the vegetable material in which the silicate particles are incorporated be released and the silicate, so that it can be separated in the manner described.
- the silicate separation takes place in two stages. It means that
- a second comminuting device is arranged, in which the plant particles are further comminuted and that a second sighting device (for a second silicate partition) is arranged between this second comminution device and the gluing device.
- the starting material for. B. straw
- a coarse shredding device for. B. in a straw chopper.
- z. B. the already described first crushing device the z. B. as a mill, preferably as a hammer mill or the like may be formed.
- the second crushing device can be designed as a fiberizing device or fiberizing plant for the production of plant particles, which are formed as plant fibers.
- Such a fiberization plant has, in particular, a refiner in which the particle-like particles are disrupted into fibers in a basically known manner.
- the wood cells or plant cells in which the silicate particles are incorporated are further or completely broken up, so that in this second stage (again) silicates are released, which are subsequently separated in the second sighting device.
- first viewing device and the second viewing device can be adapted to the respective conditions and in particular the particle properties with regard to dimensioning and flow properties, so that a particularly efficient silicate separation becomes possible in two stages.
- this two-step approach in the production of vegetable fibers for the production of fiberboard, z. B. MDF boards.
- the two-stage separation of silicate particles may also be useful in the production of straw chips or the like for chipboard production, if no defibration takes place in a refiner or the like.
- Even in the production of chips a multi-stage crushing is appropriate, so that the second crushing device then z. B. may be formed as a suitable mill, so that the second crushing can be done in a grinding process.
- the second crushing device can not be designed as a refiner, but alternatively mechanically, for. B. as a mill.
- the preferably provided second viewing device can basically be designed in the same way as the described first viewing device.
- the first and / or second viewing device is - as described - preferably with a particle intake, for. B. for plant particles equipped.
- a particle intake for. B. for plant particles equipped.
- Particle recordings or a particle recording with a plurality of successively arranged receiving zones may be provided.
- This embodiment has the advantage that optionally a division (of the plant particles) into several (useful) fractions is possible.
- the viewing device which preferably operates in the manner described as an air separation device, has a housing
- the z. B. may be formed in a very simple configuration as a box-shaped housing.
- a box-shaped housing may, for. B. have the shape of a cuboid or the like, wherein preferably at least the material inlet and the air inlet extend over (substantially) the entire width of the housing.
- the material inlet can z. B. in the (upper) ceiling of the box-shaped housing, based on the flow direction in the front region of the ceiling, so that the material falls from above into the box-shaped housing.
- the air inlet can be integrated in a very simple configuration in the front wall of the housing, namely z. B. in the upper region of the front wall.
- the air outlet can z. B. be integrated into the front wall opposite rear wall or be arranged in the region of the rear wall, namely z. B. also in the upper part of this rear wall.
- the particle intake and / or the coarse material intake is / are consequently arranged in the vicinity of the bottom of the box-shaped housing, so that the
- Plant particles and / or the coarse material are received in the lower part of the box-shaped housing. From there it can be discharged downwards or laterally out of the housing.
- the z. B. may be formed by a chute or connected to such a roll, by the way rollers, for. B. opening rollers be integrated to z. B. dissolve the material to be introduced. Incidentally, such a division of the material in the entry can be made so that several "curtains" are generated from the particles.
- a discharge device may be integrated or a discharge device may be connected to this particle receiver, which z. B. may have one or more Abvantschnecken.
- Alternatively, other discharge facilities, such. B. conveyors or the like into consideration, Abvantschnecken have the advantage that they are substantially (gas) formed dense, so that can be dispensed with further rotary valves or the like.
- a rotary valve can additionally be provided.
- a particularly simple structure and a particularly economical transport is characterized by a viewing device whose (box-shaped) housing is made of one or more ISO freight containers. So the housing z. B. from several, z. B.
- two or three stacked standard containers are made, which is preferably 40 ft. Standardcontainer, the z. B. can also be designed as a high-cube container.
- the width and length of the classifier housing are defined in this case by the width and length of the standard container.
- the housing can be separated from the particle stream.
- the housing can be transported in the form of freight containers as it were modular to the place of use and finished there.
- the housing or the container can then (subsequently) still be equipped with conventional maintenance platforms or the like, the z. B. set up on the outside of the containers and / or attached.
- a gluing device can be designed in a basically known manner.
- a gluing device is used, which is designed as a drum mixer and the z. B. in DE 10 2009 057 916 B4 is described.
- It is a continuous mixing device, which has a mixing chamber and one or more attached to a rotating mixer shaft mixing tools, wherein the mixing tools, the particles, for. B. mix fibers with the binder and promote in a conveying direction through the mixing chamber.
- a mixing device can preferably be operated with a particularly high centrifugal acceleration.
- Such a plant for the production of plates consequently comprises, on the one hand, the plant already described for producing the glued plant particles and additionally at least one spreading device arranged downstream of the gluing device for producing a spreading material mat from the glued plant particles and one downstream of the spreading device in which the spreading material mat is applied Pressure and / or heat is pressed into a plate.
- the press can be a clock press, z. B. a one-floor press or Mehretagenpresse.
- the press is a continuously operating press
- the z. B. may be formed in the embodiment as a double belt press, wherein such a double belt press an upper press plate and a lower press plate and in the press upper part and in the press base each endlessly rotating press belts, z. B. steel strips, which interposition of WälzSystemaggregaten, z.
- As rolling rods, are supported on the press plates, wherein the upper press plate and / or the lower press plate is acted upon with pressing cylinders / are.
- the invention relates not only to the systems described, but also to a method for the production of plates from plant particles, for. B. from plant fibers or plant shavings, with a plant of the type described, wherein from vegetable raw material, especially from annual plants (eg., Straw), produced by crushing plant particles and these are then glued, wherein
- vegetable raw material especially from annual plants (eg., Straw)
- the glued plant particles produced a grit mat and this is pressed in a press to a plate.
- This method is characterized in that after the comminution of the starting material before the gluing silicate particles are separated from the plant particles or the particle flow.
- the method is formed in two stages, so that on the one hand after a first crushing and on the other hand after a second crushing, z. B. defibration, each silicate particles are separated from the particle stream.
- the plant described and the method described can be used in principle for the processing of plant particles made of wood and consequently for the processing of wood fibers or wood chips.
- Fig. 1 In a greatly simplified schematic representation of a plant
- Fig. 2 is a viewing device of the system of FIG. 1 in a
- FIG. 3 the viewing device of FIG. 2 in a front view.
- Fig. 5 shows a section A through the article of FIG. 3 with indicated flow conditions.
- a system is shown with the glued plant particles, z. B. glued fibers from annual plants, eg. B. made of straw and more preferably rice straw and these are pressed into slabs.
- the provided as starting material M available straw is after a pre-shredding in z. B. a straw chopper 1 in a first crushing device 2, which is formed in the embodiment as a hammer mill 2.
- the material produced in this first comminution device 2 is fed to a first sighting device 3, which forms a first sighting step for separating silicate particles from the straw particles.
- This first viewing device 3 is shown enlarged in Figures 2 to 5, which will be discussed in more detail below.
- the straw particles are introduced via an upper material inlet 4 in the classifier housing 5 and in the classifier housing with an air flow (supply air Z) acted upon.
- the separator 3 has a front, upper air inlet 6 and a rear, upper air outlet 7. Below the air outlet 7, a particle receptacle 8 is provided for the liberated from silica S straw particles P.
- the particle receiver 8 upstream in the flow direction is a coarse material receptacle 9 for receiving foreign bodies, eg. As stones or
- the silicate particles S are entrained due to their very small and uniform size of the air flow and discharged through the air outlet 7, while the intended for further processing plant particles, eg. B. straw particles P gravitationally reach the area of the particle receptacle 8 and be discharged from there.
- the straw particles freed of silicate in the first visual stage are supplied to a second comminution device 10 in a further step, possibly after buffer storage in a bunker 13.
- this second comminuting device is designed as a defibering device, in which straw fibers for producing fiberboards are produced from the straw particles.
- This defibering 10 may, in a basically known manner, a merely indicated cooker 1 1, in which the particles z. B. be softened with steam pressure. This is followed in principle known manner a refiner 12, in which the softened particles are ground into fibers. The ground up in this way fibers arrive z. B. via a (not shown) blowline after appropriate drying in the illustrated embodiment not directly in the area of a gluing device, but before gluing takes place in a second sighting device 14 a new separation of silicate particles from the straw particles or the straw fibers now produced.
- second viewing device 14 is again designed as an air classifier. It is basically constructed in the same way and works in the same way as the first viewing device 3 already described, wherein in the region of the second viewing device, if necessary, the coarse material receptacle or stone trap can be dispensed with.
- silicate particles S are again removed and disposed of by way of an air outlet 7 or used for other processes in this second visual stage.
- the straw fibers P freed from silicate S are in turn removed via the particle receptacle 8 and, if necessary, fed to a gluing device 15 after being temporarily stored in a bunker 20.
- a plurality of gluing devices for parallel operation can also be provided here, in the drawing only a gluing device 15 is shown by way of example.
- this gluing device 15 is designed as a gluing mixer, which corresponds in its construction and mode of operation to the mixing device described in DE 10 2009 057 916 B4.
- this gluing mixer z.
- the glued straw fibers produced in this way and freed of silicate are now available for the production of fiberboard. For this you will z. B. via a fiber separator 21, are separated in the glue lumps or the like, a spreader 22.
- the glued straw fibers to form a grit mat on z. B. a scattering belt conveyor 23 scattered and from there they may be after a further pretreatment, z. B. in a pre-press 24, in a hot press 25, in which the grit mat is pressed from glued straw fibers to a fiberboard. In the press 25, it may be z. B. order
- a continuous press 25 in the embodiment act as a double belt press.
- the viewing device 3 or 14 for the separation of silicate particles from the particle flow of the straw or straw fibers is shown in Figures 2 and 5.
- the sighting device 3 or 14 is designed as an air classifier.
- this has a box-shaped housing 5 with the material inlet 4, the air inlet 6, the air outlet 7 and the particle receptacle 8 and the coarse material receptacle 9.
- an upper chute 16 is connected, are arranged in the opening rollers 17.
- feed screws 18 are indicated, via which the respective material is supplied to the material inlet 4.
- the material inlet 4 extends substantially over the entire width of the classifier housing 5, wherein in the illustrated embodiment, the material inlet 4 is integrated into the upper cover of the classifier housing, so that the material falls from above into the classifier housing.
- the air inlet 6 is integrated in the upper area.
- This air inlet 6 may extend over the entire width of the classifier housing 5.
- the air outlet 7 is arranged, which also extends over the entire width of the classifier housing and then merges into at least one reduced diameter outlet line 27, via which line or lines 27 the interfering silicate particles S with the air flow be dissipated.
- Abvantschnecken 29 are provided in the exemplary embodiment in the region of the lower particle intake 8, with which the straw particles P freed of silicate are removed and discharge lines are supplied.
- Fig. 5 the flow conditions are shown in the separator. It can be seen that the silicate particles S are discharged in the manner of an aerosol with the air flow over the upper air outlet 7 due to their small dimension, while the straw particles P fall down due to gravity and fall into the area of the particle receiver 8. Coarse material G, z. B. stones fall immediately after entering the housing 5 in the Grobgutation 9, which is also referred to as "stone trap".
- the flow within the separator is realized in the embodiment via an extraction, d. H. Exhaust fans are connected to the air outlet, so that the supply air Z is fed via the air inlet 6 as it were passive.
- a supply of fresh air takes place in the first visual stage, while in the second visual stage the classifying air is conducted in the cycle (not shown), so that the moisture can be kept constant at this stage of the process after defibration.
- the classifier housing is produced in a very simple manner from a plurality of ISO freight containers, namely three staggered standard containers 28 each having a length of 40 ft.
- a design has the big advantage that a simple transport of the individual components can take place.
- the air inlet 6 may, for. B. can be realized very easily through open container doors.
- a grid or the like may be integrated in the inlet to prevent the ingress of foreign bodies.
- a rain cover 26 may be disposed above the inlet 6.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Manufacturing & Machinery (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
- Disintegrating Or Milling (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102017120043.6A DE102017120043B3 (de) | 2017-08-31 | 2017-08-31 | Anlage und Verfahren zur Herstellung von beleimten Pflanzenpartikeln |
PCT/EP2018/070600 WO2019042680A1 (de) | 2017-08-31 | 2018-07-30 | Anlage und verfahren zur herstellung von beleimten pflanzenpartikeln |
Publications (2)
Publication Number | Publication Date |
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EP3641996A1 true EP3641996A1 (de) | 2020-04-29 |
EP3641996B1 EP3641996B1 (de) | 2021-06-16 |
Family
ID=63113503
Family Applications (1)
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EP18750376.8A Active EP3641996B1 (de) | 2017-08-31 | 2018-07-30 | Anlage und verfahren zur herstellung von beleimten pflanzenpartikeln |
Country Status (5)
Country | Link |
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US (1) | US20210379793A1 (de) |
EP (1) | EP3641996B1 (de) |
CN (1) | CN111051026B (de) |
DE (1) | DE102017120043B3 (de) |
WO (1) | WO2019042680A1 (de) |
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DE102021004823A1 (de) * | 2021-09-26 | 2023-03-30 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Windstreukammer und Verfahren zum Streuen und Formen eines rieselfähigen Materials auf einem Formband |
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DE3021455C2 (de) | 1980-06-06 | 1987-01-02 | Bison-Werke Bähre & Greten GmbH & Co KG, 3257 Springe | Herstellungsverfahren für Werkstoffe aus Teilchen mit einer eine Wachsschicht aufweisenden Oberfläche |
US5032256A (en) * | 1990-01-03 | 1991-07-16 | Vickery James D | Method and apparatus for air separation of material |
DE19519516C2 (de) | 1995-06-01 | 1998-04-23 | Thyssen Altwert Umweltservice | Verfahren und Vorrichtung zur Aufbereitung von Faserbestandteile und Fremdbestandteile enthaltenden Faserstoffen, insbesondere von Alt-Mineralwolle |
AT402904B (de) * | 1995-07-27 | 1997-09-25 | Wageneder Sbm Gmbh | Gegenstand und anlage zur sortierung von schüttgut |
FI980158A0 (fi) | 1998-01-26 | 1998-01-26 | Andritz Kone Wood Oy | Foerfarande och anordning foer att avdela traeflis i olika fraktioner |
DE19807622C1 (de) | 1998-02-21 | 1999-08-05 | Siempelkamp Gmbh & Co | Verfahren und Anlage zur wahlweisen Aufbereitung von Preßgut aus unterschiedlichen Rohstoffen im Zuge der Herstellung von Preßgutmatten, insbesondere Spanplatten |
DE19835419A1 (de) | 1998-08-05 | 2000-02-10 | Kvaerner Panel Sys Gmbh | Vorrichtung und Verfahren zur Windsichtung |
DE19909605A1 (de) | 1999-03-05 | 2000-09-07 | Dieffenbacher Schenck Panel | Verfahren zur Herstellung von plattenförmigen Produkten |
DE19909607A1 (de) * | 1999-03-05 | 2000-09-07 | Dieffenbacher Schenck Panel | Verfahren zur Herstellung von plattenförmigen Produkten |
DE10039226C1 (de) | 2000-08-11 | 2001-10-25 | Flakeboard Company Ltd St Step | Verfahren und Vorrichtung zum Beleimen von zur Herstellung von Faserplatten vorgesehenen, getrockneten Fasern |
US6902125B2 (en) | 2000-05-24 | 2005-06-07 | Fritz Schneider | Process and device for disintegrating irregularities in flows of wood fibres |
DE10025177B4 (de) | 2000-05-24 | 2004-04-15 | Flakeboard Company Limited, St.Stephen | Verfahren und Vorrichtung zur Auflösung von Ungleichmäßigkeiten in Holzfaserströmen |
FI110171B (fi) | 2000-09-20 | 2002-12-13 | Andritz Oy | Laitteen käyttö puuhakkeen jaottelemiseksi eri fraktioihin |
DE10116686C2 (de) | 2001-04-03 | 2003-08-21 | P & T Gmbh Projekt Und Technol | Verfahren zur Aufbereitung von Stroh und anderen Einjahrespflanzen für die Herstellung von Faser-, Span- und Dämmplatten sowie Wandelementen und anderen Formteilen und Verfahren zur Herstellung von Faser-, Span- und Dämmplatten sowie Wandelementen und anderen Formteilen |
US6886306B2 (en) | 2001-05-04 | 2005-05-03 | Greencor Composites, Llc | Fire-resistant material and method of manufacture |
ITMI20012651A1 (it) * | 2001-12-14 | 2003-06-16 | Marlegreen Holding S A | Procedimento ed apparecchio classificatore per la scomposizione di piante di foraggio, in particolare di erba medica, nelle parti che le com |
JP2003236813A (ja) * | 2002-02-13 | 2003-08-26 | Sekisui Chem Co Ltd | 木質系複合材料の製造方法 |
CN100369726C (zh) | 2005-04-04 | 2008-02-20 | 上海康拜环保科技有限公司 | 水稻秸杆脱硅处理方法 |
ITUD20050063A1 (it) | 2005-04-18 | 2006-10-19 | Pal Srl | Apparecchiatura e procedimento per separare particelle di granulometria finissima da una massa incoerente di materiale legnoso |
DE202006014455U1 (de) | 2006-09-18 | 2006-11-16 | Lhs Clean Air Systems Gmbh | Vorrichtung zum Trennen von Grob- und Feinmaterial |
DE102009057916B4 (de) * | 2009-05-15 | 2015-04-02 | Siempelkamp Maschinen- Und Anlagenbau Gmbh | Verfahren und Vorrichtung zum kontinuierlichen Mischen von Fasern mit einem Bindemittel |
KR101048410B1 (ko) * | 2010-08-13 | 2011-07-12 | 충남대학교산학협력단 | 미세구조의 고순도 실리카 및 섬유를 동시에 제조하는 방법 |
CN103260763B (zh) | 2010-11-22 | 2015-05-20 | 勒舍有限公司 | 可运输的辊式研磨机和可运输的研磨设备 |
DE102010053467A1 (de) | 2010-12-03 | 2012-06-06 | Edmone Roffael | Verfahren zur Verminderung der Dickenquellung und Wasseraufnahme von Faserplatten |
WO2012083994A1 (de) * | 2010-12-23 | 2012-06-28 | Kronoplus Technical Ag | Vorrichtung und verfahren zum windsichten und beleimen von holzspänen |
DE102013015390A1 (de) | 2013-09-18 | 2015-03-19 | Richard Elfner | Recyclingmodule für insbesondere Kunststoffabfälle als funktionsfähige Einheiten und in Verknüpfung als funktionsfähige Gesamtanlage zur Einsparung von Montage- und Inbetriebnahmezeiten |
CN205056091U (zh) * | 2015-08-29 | 2016-03-02 | 汉枫缓释肥料(江苏)有限公司 | 板结物料粉碎及颗粒分选装置 |
DE102015120653B4 (de) | 2015-11-27 | 2023-05-04 | Dieffenbacher GmbH Maschinen- und Anlagenbau | Verfahren und Anlage zur Herstellung einer mehrschichtigen Werkstoffplatte und mehrschichtige Werkstoffplatte |
-
2017
- 2017-08-31 DE DE102017120043.6A patent/DE102017120043B3/de active Active
-
2018
- 2018-07-30 US US16/630,214 patent/US20210379793A1/en not_active Abandoned
- 2018-07-30 WO PCT/EP2018/070600 patent/WO2019042680A1/de unknown
- 2018-07-30 EP EP18750376.8A patent/EP3641996B1/de active Active
- 2018-07-30 CN CN201880055320.3A patent/CN111051026B/zh active Active
Also Published As
Publication number | Publication date |
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CN111051026A (zh) | 2020-04-21 |
WO2019042680A1 (de) | 2019-03-07 |
DE102017120043B3 (de) | 2018-12-20 |
US20210379793A1 (en) | 2021-12-09 |
EP3641996B1 (de) | 2021-06-16 |
CN111051026B (zh) | 2021-11-23 |
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