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1. (WO2000018572) DEVICE FOR CONTINUOUSLY PRODUCING COMBUSTIBLES IN THE FORM OF PELLETS
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2000/018572 International Application No.: PCT/AT1999/000232
Publication Date: 06.04.2000 International Filing Date: 28.09.1999
Chapter 2 Demand Filed: 15.04.2000
IPC:
B30B 11/22 (2006.01) ,B30B 11/24 (2006.01) ,B30B 15/00 (2006.01) ,C10L 5/44 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
30
PRESSES
B
PRESSES IN GENERAL; PRESSES NOT OTHERWISE PROVIDED FOR
11
Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
22
Extrusion presses; Dies therefor
B PERFORMING OPERATIONS; TRANSPORTING
30
PRESSES
B
PRESSES IN GENERAL; PRESSES NOT OTHERWISE PROVIDED FOR
11
Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
22
Extrusion presses; Dies therefor
24
using screws or worms
B PERFORMING OPERATIONS; TRANSPORTING
30
PRESSES
B
PRESSES IN GENERAL; PRESSES NOT OTHERWISE PROVIDED FOR
15
Details of, or accessories for, presses; Auxiliary measures in connection with pressing
C CHEMISTRY; METALLURGY
10
PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
L
FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G OR C10K123; LIQUEFIED PETROLEUM GAS; USE OF ADDITIVES TO FUELS OR FIRES; FIRE-LIGHTERS
5
Solid fuels
40
essentially based on materials of non-mineral origin
44
on vegetable substances
Applicants:
TESSMER, Gero [AT/AT]; AT
PRACH, Rudolf [AT/AT]; AT (UsOnly)
PURKERT METALL & FORM GMBH [AT/AT]; Perlenstrasse 10-12 A-4470 Enns, AT (AllExceptUS)
Inventors:
TESSMER, Gero; AT
PRACH, Rudolf; AT
Agent:
BABELUK, Michael; Mariahilfer Gürtel 39/17 A-1150 Wien, AT
Priority Data:
A 1620/9829.09.1998AT
Title (EN) DEVICE FOR CONTINUOUSLY PRODUCING COMBUSTIBLES IN THE FORM OF PELLETS
(FR) DISPOSITIF POUR PRODUIRE EN CONTINU UN MATERIAU COMBUSTIBLE EN MORCEAUX
(DE) VORRICHTUNG ZUM KONTINUIERLICHEN HERSTELLEN VON STÜCKIGEM BRENNMATERIAL
Abstract:
(EN) The invention relates to a device for continuously producing combustibles in the form of pellets from biomass by compressing the biomass. Said device is provided with a screw extruder (1) having a screw (2) housed in a screw casing (5). Said screw extruder has a spiral volume which is reduced towards the outlet (3) of the screw (2) and which effects an initial compression. It also has a matrix (9) arranged at the outlet (3) of the screw (2) in the area of the last screw spiral. Said matrix is provided with a plurality of at least partially cylindrical bores (14) through which the biomass precompressed by the screw can be continuously shaped while compressing it further. Said device is characterized in that the ratio of the volume V2 of the last screw spiral to the total volume V1 of the cylindrical parts (16) of all bores (14) of the matrix (9) ranges from 1:0.2 to 1:7. This ratio also depends on the humidity of the biomass which ranges from 0 to 60 %. The ratio V2/V1 is inversely proportional to the humidity.
(FR) L'invention concerne un dispositif pour produire en continu un matériau combustible en morceaux se présentant sous la forme de granulés constitués de biomasse, par compression de cette dernière. Ce dispositif comprend une extrudeuse à vis (1) qui présente une vis (2) logée dans un boîtier (5), le volume des filets se rétrécissant vers l'extrémité de sortie (3) de la vis (2) et provoquant ainsi une première compression. Cette extrudeuse présente également une matrice (9) placée à l'extrémité de sortie (3) de la vis (2) au niveau du dernier filet, comportant une pluralité d'orifices (14) au moins partiellement cylindriques, à travers lesquels la biomasse ayant subi une première compression au moyen de la vis peut être façonnée par une nouvelle compression. Ce dispositif est caractérisé en ce que le rapport entre le volume V2 du dernier filet et le volume global V1 des parties cylindriques (16) de tous les orifices (14) de la matrice (9) est de l'ordre de 1:0,2 à 1:7. Ce rapport V2/V1 est inversement proportionnel à l'humidité de la biomasse, qui est comprise entre 0 et 60 %.
(DE) Die Erfindung betrifft eine Vorrichtung zum kontinuierlichen Herstellen von stückigem Brennmaterial in Form von Pellets aus Biomasse durch Verdichtung der Biomasse, mit einem Schneckenextruder (1), der eine in einem Schneckengehäuse (5) befindliche Schnecke (2) mit einem sich gegen das Austrittsende (3) der Schnecke (2) hin vermindernden und damit eine erste Verdichtung bewirkenden Gangvolumen und eine an Austrittsende (3) der Schnecke (2) im Bereich des letzten Schneckenganges angeordnete Matrize (9) mit einer Vielzahl von zumindest teilweise zylindrisch ausgebildeten Bohrungen (14) aufweist, durch welche Bohrungen (14) die mittels der Schnecke vorverdichtete Biomasse kontinuierlich unter weiterer Verdichtung formbar ist, welche Vorrichtung dadurch gekennzeichnet ist, daß das Verhältnis des Volumens V2 des letzten Schneckenganges zum Gesamtvolumen V1 der zylindrischen Teile (16) aller Bohrungen (14) der Matrize (9) in Abhängigkeit von der Feuchtigkeit der Biomasse, die zwischen 0 und 60 % beträgt, in einem Bereich von 1:0,2 bis 1:7 liegt, wobei das Verhältnis V2/V1 umgekehrt proportional zur Feuchtigkeit ist.
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Designated States: AE, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, CA, CH, CN, CR, CU, CZ, DE, DK, DM, EE, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MD, MG, MK, MN, MW, MX, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SL, TJ, TM, TR, TT, TZ, UA, UG, US, UZ, VN, YU, ZA, ZW
African Regional Intellectual Property Organization (ARIPO) (GH, GM, KE, LS, MW, SD, SL, SZ, TZ, UG, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, CH, CY, DE, DK, ES, FI, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GW, ML, MR, NE, SN, TD, TG)
Publication Language: German (DE)
Filing Language: German (DE)