EP0534026B1 - Procédé de traitement des fibres animales - Google Patents
Procédé de traitement des fibres animales Download PDFInfo
- Publication number
- EP0534026B1 EP0534026B1 EP91311366A EP91311366A EP0534026B1 EP 0534026 B1 EP0534026 B1 EP 0534026B1 EP 91311366 A EP91311366 A EP 91311366A EP 91311366 A EP91311366 A EP 91311366A EP 0534026 B1 EP0534026 B1 EP 0534026B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- solvent
- bowl
- wool
- endless belt
- fibre
- 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.)
- Expired - Lifetime
Links
- 239000000835 fiber Substances 0.000 title claims description 29
- 241001465754 Metazoa Species 0.000 title claims description 5
- 239000002904 solvent Substances 0.000 claims description 323
- 210000002268 wool Anatomy 0.000 claims description 124
- 238000000034 method Methods 0.000 claims description 37
- 239000004519 grease Substances 0.000 claims description 30
- 239000007921 spray Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- 238000009736 wetting Methods 0.000 claims description 4
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 2
- 210000001364 upper extremity Anatomy 0.000 claims 1
- 238000007654 immersion Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 10
- 235000019388 lanolin Nutrition 0.000 description 6
- 238000009991 scouring Methods 0.000 description 6
- 238000000605 extraction Methods 0.000 description 5
- 238000002203 pretreatment Methods 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000004821 distillation Methods 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
- 244000025254 Cannabis sativa Species 0.000 description 1
- 239000004166 Lanolin Substances 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- CYTYCFOTNPOANT-UHFFFAOYSA-N Perchloroethylene Chemical group ClC(Cl)=C(Cl)Cl CYTYCFOTNPOANT-UHFFFAOYSA-N 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229940039717 lanolin Drugs 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 210000000106 sweat gland Anatomy 0.000 description 1
- UBOXGVDOUJQMTN-UHFFFAOYSA-N trichloroethylene Natural products ClCC(Cl)Cl UBOXGVDOUJQMTN-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B9/00—Solvent-treatment of textile materials
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01B—MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
- D01B3/00—Mechanical removal of impurities from animal fibres
- D01B3/04—Machines or apparatus for washing or scouring loose wool fibres
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01B—MECHANICAL TREATMENT OF NATURAL FIBROUS OR FILAMENTARY MATERIAL TO OBTAIN FIBRES OF FILAMENTS, e.g. FOR SPINNING
- D01B3/00—Mechanical removal of impurities from animal fibres
- D01B3/04—Machines or apparatus for washing or scouring loose wool fibres
- D01B3/10—Details of machines or apparatus
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/02—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fibres, slivers or rovings
Definitions
- This invention relates to animal fibre, particularly wool, processing, and more particularly to apparatus and a process using that apparatus whose purpose is to produce a fine wool product of greater fibre strength and length than is available by use of conventional wool water based cleaning and scouring processes, the process being environmentally advantageous.
- Australian patent No. 615559 discloses a water free organic solvent related process for treatment of raw wool which results in an improved fine wool product.
- the said patent discloses, with particular reference to Fig. 3 thereof, an apparatus in which the process disclosed in that patent is carried out.
- this apparatus includes a conveyor having a pair of head rollers and a pair of tall rollers. Fleeces in the form of greasy wool are placed tip down in baskets carried by the conveyor. These baskets are serially conveyed to a tip pre-treatment zone in a scouring tank. The tips only of the fleeces are subjected to gentle cleaning action in the pre-treatment zone. The remainder of the fleece (apart from the tip portion) does not contact the organic solvent scouring medium in the tank pre-treatment zone.
- the fleeces After passing through the tip pre-treatment zone of the scouring tank, the fleeces are removed from the solvent solution to allow solvent attached to the fleece tips to drain back into the first tank portion which is separated from the second tank portion by a baffle plate.
- the fleece is thereafter fully immersed in the second tank portion for a preferred period of 6-10 minutes. After this immersion the treated fleece is removed from the scouring tank, may then be rinsed by a fresh solvent and is unloaded into a centrifuge for drying purposes.
- the said system may be further improved upon.
- the system requires extraction from a wool bale of a quantity of wool sufficient to occupy a basket which carries the wool to the pre-treatment zone. It also requires that this wool be presented in tip-down configuration. This is a time-consuming, labour intensive and costly exercise.
- US-A-3 393 537 discloses a multi-stage wool treatment apparatus (particularly for carbonising wool) in accordance with the precharacterising portions of the independent claims.
- the wool is passed above two bowls by respective closed belt conveyors (i.e. which squeeze the wool into a layer between upper and lower belts) while being showered from respective shower jets.
- a further bowl through which the wool is transported, again between two walls, while submerged.
- a submerged shower is also provided in this further bowl.
- US-A-2 975 625 discloses a wool treatment apparatus in which wool is first submerged in washing liquid then carried above the washing liquid by a vibrating bed while being showered with liquid from above.
- This invention in one form, provides apparatus for processing animal fibre, particularly raw wool, said apparatus comprising a solvent bowl; means for admitting said fibre to said solvent bowl, an endless belt in said solvent bowl adapted to transport fibre across said bowl, and one or more solvent shower devices to spray solvent under pressure to cleanse said fibre as it traverses said bowl on said endless belt, characterised in that said solvent shower devices are disposed in said bowl above the level of solvent in said bowl, to spray the solvent as said fibre traverses said bowl on said endless belt submerged below the solvent level in the bowl, said endless belt is an open endless belt, and by the provision of a weir adapted to receive at least substantially pure solvent and cascade said solvent into said bowl on an elevated portion of said endless belt at the exit end of said bowl out of contact with solvent in said bowl.
- the above embodiment of this invention utilises a single bowl and is appropriate where wool to be processed is not particularly greasy as is the case, for example, with greasy merino wool.
- wool to be processed is not particularly greasy as is the case, for example, with greasy merino wool.
- this invention in a further form provides apparatus for processing raw (greasy) wool, said apparatus comprising:
- wool entering said first bowl through said rollers is comparatively dry and it is preferred that a first immersion spray of solvent be addressed to the incoming wool to wet the wool sufficiently to sink through the first bowl solvent bath to ride on the first endless belt. Spraying from the first bowl solvent shower device(s) is effected when the wool is immersed in solvent bath in the first bowl.
- Immersion of the wool in the first bowl for a period of 1 to 2 minutes before showering has the effect of loosening grease and dirt to a sufficient degree to allow spraying and eventual cascading from said first bowl weir to remove up to 95% of the dirt loading of the raw wool and up to 80% of the grease.
- the second bowl will remove most if not all of the remaining dirt and almost all the remaining grease.
- first and second bowls in total
- heat may be applied to the solvent in the first bowl (or this may arise from the solvent pumping process) so that solvent temperature in the first bowl is approximately 40°C.
- ultrasonic energy may be introduced to the first bowl solvent at a power level of approximately 25 KHz.
- First bowl immersion time approximates 4 to 5 minutes and second bowl immersion time 2 to 3 minutes in the most preferred form of the process of this invention.
- a particular embodiment of the invention may have the following features.
- a still system is provided for solvent utilised in the process of this invention with a view to preserving such solvent and to clean recovered solvent for re-use in the process.
- a clean solvent tank (reservoir) is provided with a sufficient supply of solvent to operate the system. Solvent from the reservoir is first piped into the weir device of the second bowl, and thence cascades into the second bowl as immersion solvent for the wool traversing this bowl. Solvent from the second bowl, obviously containing a quantity of grease and dirt is then piped to the weir device into the first bowl, displacing dirty solvent in wool on the elevated endless belt exit portion of the first bowl as it cascades into the first bowl.
- Solvent from the first bowl is piped to the front or wool loading end of the apparatus to produce initial solvent flow (co-flow) to conduct wool along the first endless belt at a desired rate which is substantially identical to the rate of belt travel. Further solvent from the first bowl is piped to provide the wetting (or dunking) for the wool as it enters the apparatus to ensure the wool will ride on the first endless belt, rather than floating on the solvent surface.
- second bowl solvent is piped to the second bowl shower device.
- a further proportion of second bowl solvent is used as co-flow for the second bowl.
- some first bowl solvent is piped to the first bowl shower arrangement (spray manifolds).
- Used solvent from the first bowl is conducted away to a distillation system (stills) at the same rate as clean solvent is introduced to the second bowl weir.
- a series of filters adapted to extract foreign matter other than grease from the used solvent. This foreign matter is conducted to a collection chamber and is disposed of in powder form.
- the used solvent is admitted to the first still where it is boiled under partial vacuum. Vapour is conducted from this first still in condensed form which is then sufficiently pure for readmission to the system over the cascade into the second bowl.
- the remaining stills also produce clean solvent and are effective to concentrate the grease which may be collected as wool grease and used as a source of lanolin and other products.
- Vegetable matter such as burrs and grass seeds remaining in solvent laden wool leaving the second bowl and admitted to a centrifuge to recover 98-99% of the solvent, may be carded out by conventional carding systems.
- solvents are examples of those which might be used: Solvent Boiling Point Specific Gravity 1,1,1 trichloroethane 74°C 1.34 trichloroethylene 87°C 1.49 methylene chloride 39°C 1.36 perchloroethylene 121°C 1.63
- First bowl immersion depth approximately equal to the total length of the greasy wool staple which for pure merino wool is in the range 75-150 mm; belt speed 2-4 m/min; a sensor system adapted to maintain solvent bath level in first and second bowls substantially at the chosen immersion depth; belt loading density 2-3 kg/m 2 ; co-flow at a rate to move the wool at the same rate of movement as the belt; pressure up to 100 p.s.i. and flow from shower(s) in first bowl 50-100,000 l/hr, i.e.
- belts in first and second bowls are mesh type with clear opening of 2 mm to 4 mm square to allow solvent to pass through the belts; (for optimum results the disturbance in the solvent bath occasioned by the solvent shower and reflection of solvent from the belt should be such as to ensure maximum removal of dirt and grease from the wool without tangling the same.
- apparatus generally depicted at 1 includes entry rollers 2 through which wool conveyed to the apparatus of this embodiment of the invention, for example by an endless belt conveyor, is admitted to first bowl 3.
- the level of solvent 13 in first bowl 3 and second bowl 4 is depicted by broken line.
- Bowls 3 and 4 are divided by partition 21.
- Some of the solvent 13 in bowl 3 is utilized as a wetting or dunking liquid, being piped to outlet 11 once it is readmitted to bowl 3 to wet incoming wool shortly after that wool traverses rollers 2.
- Incoming wool so wetted falls to the surface of endless belt 5 in first bowl 3 and is carried along belt 5 at a predetermined rate, some of the solvent 13 in bowl 3 being conducted to outlet 14 once it is forced to flow into the region of endless belt 5 where wool admitted to bowl 3 falls onto that belt, this co-flow of solvent through outlet 14 being conducted to ensure that wool is conducted along belt 5 at the rate of travel of the belt.
- a further portion of solvent 13 in bowl 3 is conducted through a filter (not shown) to shower device 7 whence it is forced vertically downwards to mix with solvent 13 to remove grease and foreign materials from the wool being transported along endless belt 5. Endless belt 5, and wool transported thereon, rises above the surface of solvent 13 between belt rollers 16 and 17 and in this region is washed by solvent 13 conducted from second bowl 4 over weir 8 to further remove grease and foreign matter in this wool.
- Wool so washed is conducted over endless belt 5 as it traverses roller 17 and then falls onto endless belt 6 in second bowl 4.
- Some of the solvent 13 in second bowl 4 is used as co-flow liquid through ejector 15.
- a further portion of solvent 13 is conducted via a filter (not shown) to shower device 9 whence it is transmitted under pressure vertically downwards to mix with solvent 13 in the region of endless belt 6 to further remove grease and foreign matter from wool carried by endless belt 6.
- a portion of endless belt 6 rises above the level of solvent 13 in bowl 4 between rollers 18 and 19 and wool carried on this portion of belt 6, above the general level of solvent 13 in bowl 4, is washed by pure solvent admitted to bowl 4 through weir 10.
- Fig. 2 pure solvent is pumped from the solvent reservoir to bowl 4 entering bowl 4 over weir 10 (Fig. 1) as a final wool rinse before wool is admitted to the cartridge.
- some of the solvent in bowl 4 is passed through a filter and readmitted to bowl 4 through shower 9.
- Solvent used in bowl 4 is transferred to bowl 3 via weir 8.
- Some of the solvent in bowl 3 is again filtered to be readmitted to bowl 3 through shower 7.
- Used solvent is conducted from bowl 3 through a series of filters. From these filters foreign material is conducted via a dirt drier to a foreign material collection chamber where it is collected in powder form. Further dirt from the shower filters is also transferred to this series of filters.
- Solvent and grease is conducted from these filters to a series of stills whence the grease is extracted and is collected in one or more collection tanks.
- solvent is boiled off from the solvent and grease mixture and such vaporized solvent is condensed and returned to the solvent reservoir.
- Solvent from the dirt drier is also transferred to the solvent reservoir. Vapours from bowls 3 and 4 is conducted to a refrigerated condenser and the pressure in bowls 3 and 4 is maintained at slightly less than normal air temperature in order to create a force to conduct those vapours to the condenser. Vapours from the centrifuge and dirt drier are also conducted to the condenser whence solvent is returned to the pure solvent reservoir for recirculation in the system.
- vapour recovery unit is utilized to which vapours in the system are drawn under negative pressure. These vapours are condensed and transferred to the clean solvent reservoir for re-use in the system.
- a final vapour trap is used in the form of a carbon-activated adsorption unit to ensure vapour emissions are compatible with the most stringent environmental guidelines.
- the 5000 litres per hour solvent flow from the scour apparatus enters a primary still which operates below atmospheric pressure.
- a constant bleed of approximately 330 kg/hour is taken from a boiling bath via the primary still grease extraction pump and sent to the secondary still.
- the recondensed clean solvent liquid is then pumped via the primary still solvent extraction pump to the clean solvent tank.
- the liquid from the primary still is concentrated up to 80% grease concentration.
- a flow of 120 kg/hour is removed from the boiling bath via the secondary still grease extraction pump and sent to the tertiary still.
- the recondensed clean solvent liquid is pumped via the secondary still solvent extraction pump to the clean solvent tank.
- the bath is heated electrically, and the solvent vapour is removed from the still by an injector pump immersed in a bath of cold solvent at atmospheric pressure.
- the bath is cooled by refrigeration and condenses the solvent vapour within the bath. This causes the bath level to rise, with the solvent overflow going to the clean solvent tank. Hence no tertiary solvent liquid extraction pump is required.
- a constant 5000 l/hr of solvent is pumped back to the second bowl 4 by the clean solvent pump.
- the level in the clean solvent tank is controlled by a level controller. If the tank level falls, due to flowback from the scourer being less than the flow pumped to the scourer (resulting from solvent losses) the solvent makeup pump will pump additional solvent from the solvent dump tank into the primary still.
- the wool grease is progressively concentrated in the residues from the stills, to over 95% grease concentration in the discharge from the final still.
- Vapour control is an important preferred feature of the system the subject of this invention. All solvent-containing items, such as the scour apparatus (3, 4) filters, tanks, centrifuges, etc are maintained under a slight negative pressure. This will cause a small air inflow at any leaks, rather than an outflow of air/solvent vapour, preventing unintentional solvent vapour loss.
- a small fan is connected on its suction side to all solvent-containing items. The solvent-laiden air discharged from the fan will be taken to a vapour recovery system, using a combination of refrigerated and carbon absorption vapour recovery. A refrigerated system to cool the solvent-laden vapour to approximately -30°C may be provided.
- the solvent vapour would, after cooling, be reheated to ambient temperature. During the cooling phase, solvent vapour will be condensed, leaving only approximately 4% vapour in the air. This stream will then be passed into a relatively small and comparatively inexpensive carbon absorption system, capturing approximately 98% of the remaining solvent vapour and thus cutting solvent vapour emmission losses to the order of 17 kg/day. Discharge from the vapour recovery system is taken outside the building in which the system is housed and discharged via an exhaust stack.
- the entire system is environmentally acceptable in that little or no solvent escapes the system, all foreign material is removed from the wool and collected, particulate matter as dirt which might be useful as a fertilizer, the grease for further processing as described above, vegetable matter in subsequent conventional processes.
- the products of the system are thus clean untangled high quality wool, powdered dirt and a higher recovery wool grease than results from conventional water scour processes.
- Water scour grease dirt and protein waste products are usually licensed for admission as pollutants to e.g. river systems. The current system will obviate this undesirable situation.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Processing Of Solid Wastes (AREA)
- Preliminary Treatment Of Fibers (AREA)
- Meat, Egg Or Seafood Products (AREA)
- Drying Of Solid Materials (AREA)
Claims (42)
- Appareil (1) de traitement d'une fibre animale, notamment laine brute, ledit appareil comprenant une cuve de solvant (4), un moyen d'admission de ladite fibre dans ladite cuve de solvant (4), une bande sans fin (6) dans ladite cuve de solvant (4), conçue pour transporter la fibre à travers ladite cuve (4), et un ou plusieurs dispositifs d'arrosage de solvant (9) pour pulvériser le solvant sous pression pour dégraisser ladite fibre pendant qu'elle traverse ladite cuve (4) sur ladite bande sans fin (6), caractérisé en ce que lesdits dispositifs d'arrosage de solvant (9) sont disposés dans ladite cuve (4) au-dessus du niveau du solvant dans ladite cuve (4), pour pulvériser le solvant pendant que ladite fibre traverse ladite cuve (4) sur ladite bande sans fin (6) immergée en dessous du niveau du solvant dans la cuve (4), en ce que ladite bande sans fin (6) est une bande sans fin ouverte (6) et par la présence d'un déversoir (10) conçu pour recevoir du solvant au moins sensiblement pur et déverser ledit solvant dans ladite cuve (4) sur une partie élevée de ladite bande sans fin (6) à l'extrémité sortie de ladite cuve (4), hors de contact avec le solvant se trouvant dans ladite cuve (4).
- Appareil selon la revendication 1, comprenant en outre une sortie de solvant (11) conçue pour distribuer du solvant de façon à mouiller la fibre entrant dans ladite cuve (4).
- Appareil selon l'une quelconque des revendications précédentes, comprenant en outre une sortie de co-courant de solvant (15) conçue pour introduire du solvant sous pression dans ladite cuve de solvant (4) en un emplacement pour forcer la fibre située sur ladite bande sans fin (6) à proximité de l'extrémité de la cuve (4) par laquelle la fibre est admise, à être portée par ladite bande sans fin (6) jusqu'à l'extrémité sortie de la cuve.
- Appareil selon l'une quelconque des revendications précédentes, comprenant en outre un filtre de cuve conçu pour recevoir une quantité prédéterminée de solvant de ladite cuve de solvant (4) pour filtrer ledit solvant et le recycler sous une forme sensiblement pure audit dispositif d'arrosage (9) au nombre de un ou plus.
- Appareil selon l'une quelconque des revendications précédentes, comprenant en outre une partie sortie de cuve (20) par laquelle la laine nettoyée dans ladite cuve (4) peut être acheminée à une centrifugeuse, ladite partie sortie de cuve (20) étant située à proximité immédiate du point supérieur de ladite partie élevée de la bande sans fin.
- Appareil selon l'une quelconque des revendications précédentes, comprenant en outre un réservoir de solvant d'où le solvant pur peut être acheminé pour admission dans ladite cuve (4) via ledit déversoir (10).
- Appareil de traitement de laine brute (en suint), ledit appareil comprenant :une première cuve de solvant (3) comportant une extrémité entrée et une extrémité sortie ;un moyen (2) pour acheminer la laine brute par l'extrémité entrée de ladite première cuve de solvant (3);une première bande sans fin (5) dans ladite première cuve de solvant (3), conçue pour transporter la laine à travers ladite première cuve de solvant (3) ;un ou plusieurs premiers dispositifs d'arrosage de solvant de cuve (7), conçus pour pulvériser du solvant sous pression pour nettoyer ladite laine pendant que ladite laine est transportée par ladite première bande sans fin (5) ;une seconde cuve de solvant (4) comportant une extrémité entrée et une extrémité sortie (20) et contenant une seconde bande sans fin (6) conçue pour transporter la laine à travers ladite seconde cuve de solvant (4) ;un ou plusieurs seconds dispositifs d'arrosage de solvant de cuve (9) conçus pour pulvériser du solvant sous pression pour nettoyer additionnellement ladite laine pendant qu'elle est transportée par ladite seconde bande sans fin (6);caractérisé en ce que lesdites première et seconde bandes sans fin (5, 6) sont des bandes sans fin ouvertes ;ladite première bande sans fin (5) est conçue pour transporter la laine à travers ladite première cuve de solvant (3), immergée en dessous du niveau du solvant dans ladite première cuve de solvant (5);lesdits premier et second dispositifs d'arrosage de solvant de cuve (9, 10) sont disposés au-dessus du niveau du solvant dans les première et seconde cuves de solvant respectives (3, 4) pour pulvériser le solvant pendant que la laine est transportée par les première et seconde bandes sans fin ouvertes respectives (5, 6) ; et par la présence de :un premier moyen déversoir (8) conçu pour recevoir le solvant de ladite seconde cuve de solvant (4) et déverser ledit second solvant de cuve sur la laine sur une partie élevée de ladite première bande sans fin ouverte (5) hors de contact avec le solvant se trouvant dans ladite première cuve de solvant (3);un second moyen déversoir (10) conçu pour recevoir du solvant pur et déverser ledit solvant pur sur la laine disposée sur une partie élevée de ladite seconde bande sans fin ouverte (6) à l'extrémité sortie de ladite seconde cuve de solvant (4) hors de contact avec le solvant se trouvant dans ladite seconde cuve de solvant (4);ladite première bande sans fin ouverte (5) étant conçue pour transporter ladite laine jusqu'à l'extrémité sortie de ladite première cuve de solvant (2) pour qu'elle pénètre par l'extrémité entrée de ladite seconde cuve de solvant (4).
- Appareil selon la revendication 7, comprenant en outre une sortie de solvant (11) conçue pour distribuer du solvant de façon à mouiller la laine pénétrant dans ladite première cuve.
- Appareil selon la revendication 7 ou 8, comprenant en outre deux sorties de co-courant de solvant (14, 15) conçues respectivement pour introduire du solvant sous pression dans lesdites première et seconde cuves de solvant (3, 4) pour forcer la laine située sur lesdites première et seconde bandes sans fin ouvertes (5, 6) aux extrémités entrée respectives desdites première et seconde cuves de solvant (3, 4) à être transportée respectivement par lesdites première et seconde bandes sans fin ouvertes (5, 6) jusqu'aux extrémités sortie respectives desdites première et seconde cuves de solvant (3, 4).
- Appareil selon l'une quelconque des revendications 7 à 9, comprenant en outre un premier filtre de cuve et un second filtre de cuve, lesdits filtres de cuve respectifs étant conçus pour recevoir des quantités prédéterminées de solvant respectivement desdites première et seconde cuves de solvant (3, 4) pour filtrer lesdites quantités de solvant et recycler le solvant purifié respectivement au premier et au second dispositif d'arrosage de cuve (7, 9).
- Appareil selon l'une quelconque des revendications 7 et 10, comprenant en outre un réservoir de solvant d'où le solvant pur peut être acheminé pour admission dans ladite seconde cuve de solvant (14) via ledit second moyen déversoir (10).
- Appareil selon l'une quelconque des revendications 7 à 11, comprenant en outre une centrifugeuse à laquelle la laine est acheminée par l'extrémité sortie (20) de ladite seconde cuve de solvant (4), la sortie (20) de ladite seconde cuve de solvant (4) étant à proximité directe de l'extrémité supérieure de ladite partie élevée de ladite seconde bande sans fin ouverte (6).
- Appareil selon la revendication 6, dépendant de la revendication 5, ou selon la revendication 12, dépendant de la revendication 11, comprenant en outre un moyen pour acheminer les vapeurs de solvant de ladite cuve ou desdites cuves de solvant (3, 4) et de ladite centrifugeuse à un condenseur et un moyen pour acheminer le solvant dudit condenseur audit réservoir.
- Appareil selon la revendication 13, comprenant en outre un piège de vapeur final conçu pour recevoir la vapeur résiduelle dudit condenseur, ledit piège de vapeur final étant une unité d'adsorption activée par carbone, se déchargeant dans l'atmosphère.
- Appareil selon l'une quelconque des revendications 6 ou 11 à 14, comprenant en outre un groupe de filtres conçus pour recevoir le solvant utilisé contaminé par les impuretés et la graisse de ladite cuve de solvant ou de la première cuve de solvant (3).
- Appareil selon la revendication 15, dans lequel les déchets filtrés par lesdits filtres de cuve sont acheminés audit groupe de filtres.
- Appareil selon la revendication 15 ou 16, dans lequel les impuretés provenant dudit groupe de filtres sont acheminées à un séchoir d'impuretés et la graisse et le solvant sont acheminés dudit groupe de filtres à une série de purificateurs.
- Appareil selon la revendication 17, dans lequel le solvant est extrait dudit séchoir d'impuretés et desdits purificateurs et acheminé audit réservoir de solvant.
- Appareil selon la revendication 17 ou 18, dans lequel les impuretés provenant dudit séchoir d'impuretés sont acheminées à une chambre de recueil de matières étrangères.
- Appareil selon l'une quelconque des revendications 17 à 19, dans lequel la graisse provenant desdits purificateurs est acheminée à un réservoir de recueil de graisse.
- Appareil selon l'une quelconque des revendications précédentes, sensiblement étanche à l'atmosphère et conçu pour fonctionner sous une pression légèrement inférieure à la pression atmosphérique.
- Procédé de traitement d'une fibre animale, notamment laine brute, comprenant les étapes consistant à admettre ladite fibre dans une cuve de solvant (4), à transporter ladite fibre sur une bande sans fin (6) dans ladite cuve de solvant (4), à arroser ladite fibre pendant son transport sur ladite bande sans fin (6) de solvant provenant d'un ou plusieurs dispositifs d'arrosage de solvant pour nettoyer ladite fibre;
caractérisé en ce que :ladite bande sans fin (6) est une bande sans fin ouverte ;ladite bande sans fin (6) porte ladite fibre immergée en dessous du niveau du solvant dans ladite cuve de solvant ;lesdits arroseurs de solvant (9) sont situés au-dessus du niveau du solvant dans ladite cuve de solvant (4) pour arroser la fibre immergée ; et parle déversement du solvant dans ladite cuve de solvant (4) via un déversoir (10) de façon que le solvant déversé nettoie ladite laine sur une partie élevée de ladite bande sans fin ouverte (6) à l'extrémité sortie (20) de ladite cuve de solvant (4) à un emplacement hors de contact avec le solvant se trouvant dans ladite cuve de solvant (4). - Procédé selon la revendication 22, comprenant en outre l'étape consistant à mouiller ladite fibre pénétrant dans ladite cuve de solvant (4) par du solvant distribué par une sortie de solvant (11).
- Procédé selon la revendication 22 ou 23, comprenant en outre l'étape consistant à introduire un co-courant de solvant dans ladite cuve de solvant (4) en un emplacement pour forcer la fibre située sur ladite bande sans fin ouverte (6) à proximité de l'extrémité entrée de la cuve à être portée par ladite bande sans fin ouverte (6) jusqu'à l'extrémité sortie (20) de ladite cuve de solvant (4).
- Procédé selon l'une quelconque des revendications 22 à 24, comprenant en outre l'étape consistant à utiliser un filtre de cuve pour filtrer une quantité prédéterminée de solvant provenant de ladite cuve de solvant (4) et recycler ledit solvant filtré sous une forme sensiblement pure auxdits arroseurs (9) au nombre de un ou plusieurs.
- Procédé selon l'une quelconque des revendications 22 et 25, comprenant en outre l'étape consistant à acheminer ledit solvant pur d'un réservoir de solvant en vue de son admission dans ladite cuve de solvant via ledit déversoir (10).
- Procédé selon l'une quelconque des revendications 22 à 26, comprenant en outre l'acheminement de la laine traitée provenant de ladite cuve de solvant (4) à une centrifugeuse, ladite fibre sortant de ladite cuve de solvant (4) par une partie sortie de cuve (20) située à proximité directe du point supérieur de ladite partie élevée de la bande sans fin ouverte (6).
- Procédé de traitement de laine brute (de suint) comprenant les étapes consistant à admettre ladite laine brute par l'extrémité entrée d'une première cuve de solvant (3), à transporter ladite laine brute sur une première bande sans fin (5) dans ladite première cuve de solvant, à arroser ladite laine brute d'une douche de solvant pulvérisée sous pression par un arroseur sur ladite laine pendant que ladite laine est transportée par ladite première bande sans fin (5),transporter ladite laine à travers une seconde cuve de solvant (4) sur une seconde bande sans fin (6),arroser ladite laine sur ladite seconde bande sans fin (6) de solvant pulvérisé sous pression par un ou plusieurs dispositifs arroseurs (9) situés dans ladite seconde cuve de solvant (4),caractérisé en ce quelesdites première et seconde bandes sans fin (5, 6) sont des bandes sans fin ouvertes ;ladite première bande sans fin (5) porte ladite laine immergée en dessous du niveau du solvant dans ladite première cuve de solvant (3);lesdits premier et second dispositifs arroseurs (7, 9) sont situés au-dessus du niveau du solvant dans les première et seconde cuves de solvant respectives (3, 4) pour pulvériser ledit solvant d'un point situé au-dessus du niveau du solvant ; et par les étapes consistant à :transporter ladite laine sur une partie élevée de ladite première bande sans fin (5) et déverser le solvant via un déversoir (8) sur ladite laine pendant qu'elle est située sur une partie de ladite première bande sans fin ouverte (5) élevée au-dessus du niveau de solvant dans ladite première cuve de solvant (3),acheminer la laine de l'extrémité de ladite première bande sans fin ouverte (5) à la seconde cuve de solvant (4) pour qu'elle soit arrosée par les seconds dispositifs d'arrosage de cuve (9);transporter ensuite ladite laine sur une partie élevée de ladite seconde bande sans fin ouverte (6) à l'extrémité sortie (20) de ladite seconde cuve de solvant (4),déverser sur ladite laine pendant qu'elle est transportée sur ladite partie élevée de la seconde bande sans fin ouverte au-dessus du niveau du solvant dans ladite seconde cuve de solvant (4), du solvant pur provenant d'un second déversoir (10) auquel est admis ledit solvant pur etfaire sortir ladite laine de ladite seconde cuve de solvant (4).
- Procédé selon la revendication 28, comprenant l'étape additionnelle consistant à mouiller la laine admise dans ladite première cuve de solvant (3) par du solvant distribué par une sortie de solvant (11).
- Procédé selon la revendication 28 ou 29, comprenant en outre l'étape consistant à prévoir un co-courant de solvant dans chacune des première et seconde cuves de solvant (3, 4) pour introduire du solvant sous pression dans lesdites première et seconde cuves de solvant (3, 4) pour amener la laine située respectivement sur lesdites première et seconde bandes sans fin ouvertes (5, 6) aux extrémités entrée respectives desdites première et seconde cuves de solvant (3, 4) à être transportée respectivement par lesdites première et seconde bandes sans fin ouvertes (5, 6) jusqu'aux extrémités sortie respectives desdites première et seconde cuves de solvant (3, 4).
- Procédé selon l'une quelconque des revendications 28 à 30, comprenant en outre l'étape consistant à prévoir un premier et un second filtre de cuve, à acheminer le solvant desdites première et seconde cuves de solvant respectives (3, 4) auxdits premier et second filtres de cuve respectifs en des quantités prédéterminées, à filtrer lesdites quantités prédéterminées de solvant dans lesdits premier et second filtres de cuve et à recycler le solvant dégraissé des premier et second filtres de cuve respectifs auxdits premier et second dispositifs d'arrosage de cuve respectifs (7, 9).
- Procédé selon l'une quelconque des revendications 28 à 31, comprenant l'étape additionnelle consistant à prévoir un réservoir de solvant et à acheminer du solvant pur dudit réservoir de solvant en vue de son admission dans ladite seconde cuve de solvant (4) via ledit second déversoir (10).
- Procédé selon l'une quelconque des revendications 28 à 32, comprenant l'étape supplémentaire consistant à acheminer la laine de l'extrémité sortie (20) de ladite seconde cuve de solvant (4) à une centrifugeuse et à y sécher la laine.
- Procédé selon la revendication 27 dépendant de la revendication 26 ou selon la revendication 33 dépendant de la revendication 32, comprenant en outre l'étape consistant à acheminer les vapeurs de solvant de ladite cuve ou desdites cuves de solvant (3, 4) et de ladite centrifugeuse à un condenseur et à acheminer en outre le solvant dudit condenseur audit réservoir.
- Procédé selon la revendication 34, comprenant en outre l'acheminement de la vapeur résiduelle dudit condenseur à un piège de vapeur final, ledit piège de vapeur final étant une unité d'adsorption activée par carbone, se déchargeant dans l'atmosphère.
- Procédé selon l'une quelconque des revendications 26 ou 27 ou 32 ou 34, comprenant en outre l'acheminement du solvant utilisé contaminé par les impuretés et de la graisse de ladite cuve de solvant ou de la première cuve de solvant (3) à un groupe de filtres.
- Procédé selon la revendication 36, comprenant l'étape supplémentaire consistant à acheminer les déchets filtrés par ledit filtre ou lesdits filtres de cuve audit groupe de filtres.
- Procédé selon la revendication 36 ou 37, comprenant l'étape supplémentaire consistant à acheminer les impuretés dudit groupe de filtres à un séchoir d'impuretés et acheminer la graisse et le solvant dudit groupe de filtres à une série de purificateurs.
- Procédé selon la revendication 38, comprenant l'étape supplémentaire consistant à extraire le solvant dudit séchoir d'impuretés et desdits purificateurs et à acheminer ledit solvant extrait audit réservoir de solvant.
- Procédé selon la revendication 38 ou 39, comprenant l'étape supplémentaire consistant à acheminer les impuretés dudit séchoir d'impuretés à une chambre de recueil de matières étrangères.
- Procédé selon l'une quelconque des revendications 38 à 40, comprenant l'étape supplémentaire consistant à acheminer la graisse desdits purificateurs à un réservoir de recueil de graisse.
- Procédé selon l'une quelconque des revendications 22 à 42, comprenant l'étape supplémentaire consistant à mettre en oeuvre ledit procédé dans un appareil (1) sensiblement étanche à l'atmosphère et fonctionnant sous une pression légèrement inférieure à la pression atmosphérique.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPK852691 | 1991-09-23 | ||
AU8526/91 | 1991-09-23 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0534026A1 EP0534026A1 (fr) | 1993-03-31 |
EP0534026B1 true EP0534026B1 (fr) | 1996-07-10 |
Family
ID=3775711
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91311366A Expired - Lifetime EP0534026B1 (fr) | 1991-09-23 | 1991-12-06 | Procédé de traitement des fibres animales |
Country Status (19)
Country | Link |
---|---|
EP (1) | EP0534026B1 (fr) |
JP (1) | JPH0657512A (fr) |
KR (1) | KR100187315B1 (fr) |
CN (1) | CN1040238C (fr) |
AR (1) | AR247429A1 (fr) |
AT (1) | ATE140273T1 (fr) |
AU (1) | AU639160B2 (fr) |
BR (1) | BR9200218A (fr) |
DE (1) | DE69120815T2 (fr) |
DK (1) | DK0534026T3 (fr) |
ES (1) | ES2089155T3 (fr) |
GR (1) | GR3021241T3 (fr) |
LT (1) | LT3476B (fr) |
LV (1) | LV10511B (fr) |
NZ (1) | NZ240876A (fr) |
RU (1) | RU2040602C1 (fr) |
TW (1) | TW228553B (fr) |
UA (1) | UA26182C2 (fr) |
ZA (1) | ZA919722B (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1996017115A1 (fr) * | 1994-11-25 | 1996-06-06 | Wool Research Organisation Of New Zealand (Inc.) | Systeme de lavage de la laine |
CH691975A5 (de) * | 1996-01-31 | 2001-12-14 | Ecco Gleittechnik Gmbh | Verfahren und Vorrichtung zur Gewinnung bzw. Behandlung von Fasern und Faserprodukten. |
AUPN876396A0 (en) * | 1996-03-14 | 1996-04-18 | Commonwealth Scientific And Industrial Research Organisation | Backwashing of partially processed wool |
CN1075129C (zh) * | 1998-11-13 | 2001-11-21 | 杨之振 | 一种从绒毛中去除粗毛的方法 |
EP2366826B1 (fr) * | 2010-03-18 | 2013-07-03 | Recuperación de Materiales Textiles, S.A. | Procédé et installation pour le traitement en continu de matériaux fibreux solides en vrac |
CN102995165B (zh) * | 2012-12-07 | 2015-01-07 | 江阴骏华纺织科技有限公司 | 一种水中皮质物料解纤机 |
CN104328508A (zh) * | 2014-11-28 | 2015-02-04 | 张家港市中孚达纺织科技有限公司 | 一种海马毛的处理工艺 |
CN104674398B (zh) * | 2015-02-13 | 2017-04-26 | 浙江高和羊毛科技有限公司 | 一种毛纺助剂加料装置 |
CN104963004B (zh) * | 2015-06-16 | 2017-07-21 | 安溪县桃舟乡同盛茶叶专业合作社 | 一种真丝浸泡清洗池 |
CN109330176B (zh) * | 2018-10-15 | 2020-05-29 | 安徽省潜山县潜源鬃刷有限公司 | 一种鬃毛刷加工用鬃毛洗涤装置 |
CN110153397B (zh) * | 2019-07-01 | 2021-05-11 | 深圳市周大福珠宝制造有限公司 | 一种脱芯装置及方法 |
CN111590645B (zh) * | 2020-05-27 | 2021-08-03 | 河南中羊牧业有限公司 | 一种用于羊养殖的多功能辅助剃毛设备 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2975625A (en) * | 1955-04-05 | 1961-03-21 | Stiftelsen Svensk Textilforskn | Apparatus for washing wool |
FR1233584A (fr) * | 1959-04-21 | 1960-10-12 | Separator Ab | Méthode et appareil pour le mouillage continu de matières fibreuses avec un liquide de lavage |
US3393537A (en) * | 1965-12-06 | 1968-07-23 | Unisearch Ltd | Apparatus for the treatment of fibre assemblies with fluids |
US3693382A (en) * | 1970-03-04 | 1972-09-26 | Frederick W Grantham | Continuous washing apparatus |
JPS5149372Y1 (fr) * | 1970-08-10 | 1976-11-29 | ||
JPS5844761B2 (ja) * | 1980-05-09 | 1983-10-05 | 旭化成株式会社 | 洗浄された獣毛材料を用いて獣毛トップを製造する方法 |
JPH064953Y2 (ja) * | 1988-04-25 | 1994-02-09 | 株式会社千代田製作所 | 有機溶剤を用いる洗浄装置 |
JP2682717B2 (ja) * | 1988-06-09 | 1997-11-26 | ウールテック リミテッド | 獣毛の溶剤処理法 |
EP0378616A4 (en) | 1988-06-09 | 1991-03-27 | Wool Cleaning Technologies Limited | Animal hair solvent treatment process |
JP2708844B2 (ja) * | 1989-01-30 | 1998-02-04 | 株式会社千代田製作所 | 洗浄方法と洗浄装置 |
JPH0372984A (ja) * | 1989-04-11 | 1991-03-28 | Japan Fuirudo Kk | 洗浄機構の溶剤回収装置 |
-
1991
- 1991-12-05 NZ NZ240876A patent/NZ240876A/xx unknown
- 1991-12-05 AU AU88878/91A patent/AU639160B2/en not_active Ceased
- 1991-12-06 DK DK91311366.8T patent/DK0534026T3/da active
- 1991-12-06 EP EP91311366A patent/EP0534026B1/fr not_active Expired - Lifetime
- 1991-12-06 AT AT91311366T patent/ATE140273T1/de not_active IP Right Cessation
- 1991-12-06 DE DE69120815T patent/DE69120815T2/de not_active Expired - Fee Related
- 1991-12-06 ES ES91311366T patent/ES2089155T3/es not_active Expired - Lifetime
- 1991-12-10 ZA ZA919722A patent/ZA919722B/xx unknown
- 1991-12-20 AR AR91321487A patent/AR247429A1/es active
- 1991-12-24 KR KR1019910024211A patent/KR100187315B1/ko not_active IP Right Cessation
-
1992
- 1992-01-03 RU SU925010576A patent/RU2040602C1/ru not_active IP Right Cessation
- 1992-01-11 CN CN92100153A patent/CN1040238C/zh not_active Expired - Fee Related
- 1992-01-16 JP JP4024273A patent/JPH0657512A/ja active Pending
- 1992-01-23 BR BR929200218A patent/BR9200218A/pt not_active IP Right Cessation
- 1992-04-06 TW TW081102591A patent/TW228553B/zh active
- 1992-12-29 LV LVP-92-553A patent/LV10511B/en unknown
-
1993
- 1993-03-24 UA UA93002819A patent/UA26182C2/uk unknown
- 1993-06-12 LT LTIP641A patent/LT3476B/lt not_active IP Right Cessation
-
1996
- 1996-10-03 GR GR960402590T patent/GR3021241T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
DE69120815D1 (de) | 1996-08-14 |
LT3476B (en) | 1995-11-27 |
RU2040602C1 (ru) | 1995-07-25 |
JPH0657512A (ja) | 1994-03-01 |
KR100187315B1 (ko) | 1999-05-01 |
CN1071208A (zh) | 1993-04-21 |
DE69120815T2 (de) | 1996-11-07 |
KR930006188A (ko) | 1993-04-21 |
TW228553B (fr) | 1994-08-21 |
ATE140273T1 (de) | 1996-07-15 |
NZ240876A (en) | 1993-09-27 |
DK0534026T3 (da) | 1996-11-11 |
GR3021241T3 (en) | 1997-01-31 |
EP0534026A1 (fr) | 1993-03-31 |
LV10511B (en) | 1995-06-20 |
UA26182C2 (uk) | 1999-06-07 |
AU639160B2 (en) | 1993-07-15 |
LTIP641A (en) | 1995-02-27 |
CN1040238C (zh) | 1998-10-14 |
ES2089155T3 (es) | 1996-10-01 |
ZA919722B (en) | 1992-11-25 |
LV10511A (lv) | 1995-02-20 |
AR247429A1 (es) | 1994-12-29 |
BR9200218A (pt) | 1993-04-13 |
AU8887891A (en) | 1993-04-22 |
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