Traitement en cours

Veuillez attendre...

Paramétrages

Paramétrages

Aller à Demande

1. WO2020156850 - SYSTÈME ET PROCÉDÉ DE RECYCLAGE D'OBJETS PLANS

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]

CLAIMS

1 . A system (100) for recycling planar objects (102, 102a-e) having a first major surface and an opposing, second major surface, the planar objects (102, 102a-e) comprising compressed mineral fiber material, the system (100) comprising:

a conveyor (108) arranged to sequentially covey the planar objects (102, 102a-e) one by one through a number of stations (1 10, 1 1 Ox, 1 12, 1 12x, 1 14, 1 16) along a conveyor direction (CD), the number of stations (1 10, 1 10x, 1 12, 1 12x, 1 14, 1 16) at least comprising:

a thickness measurement station (1 10, 1 1 Ox) arranged to determine a property related to thickness and associated to each of the planar objects (102, 102a-e) being conveyed through the thickness measurement station (1 10, 1 1 Ox),

a sound measurement station (1 12, 1 12x) arranged to determine a property related to sound absorption and associated to each of the planar objects (102, 102a-e) being conveyed through the sound measurement station (1 12, 1 12x), the sound measurement station (1 12, 1 12x) comprising, a sound reflecting surface (120) arranged to back the first major surface of each planar object (102, 102a-e) being conveyed through the sound measurement station (1 12, 1 12x),

a sound emitter (122) arranged to emit sound towards the sound reflecting surface (120),

a sound receiver (124) arranged to receive sound reflected from the sound reflecting surface (120), and

a converter (126) arranged to determine the property related to sound absorption based on the emitted sound and the reflected sound, and

a sorting station (1 16) arranged to sort the planar objects (102, 102a-e) based on their respective determined properties in to a plurality of fractions (1 16a-d, 1 16w).

2. The system (100) according to claim 1 , wherein the thickness measurement station (1 10, 1 1 Ox) comprises a camera based thickness measurement system (1 18) arranged to determine the property related to thickness and associated to each of the planar objects (102, 102a-e).

3. The system (100) according to claim 1 , wherein the thickness measurement station (1 10, 1 1 Ox) comprises a thickness laser gauge arranged to determine the property related to thickness and associated to each of the planar objects (102, 102a-e).

4. The system (100) according to any one of the preceding claims, wherein the sound receiver (124) of the sound measurement station (1 12,

1 12x) is arranged to measure particle velocity and sound pressure of the received sound.

5. The system (100) according to any one of the preceding claims, wherein the conveyor (108) is arranged to continuously convey the planar objects (102, 102a-e) one by one through the number of stations (1 10, 1 1 Ox, 1 12, 1 12x, 1 14, 1 16).

6. The system (100) according to any one of claims 1 -4, wherein the conveyor (108) is arranged to intermittently convey the planar objects (102, 102a-e) one by one through the number of stations (1 10, 1 1 Ox, 1 12, 1 12x, 1 14, 1 16).

7. The system (100) according to any one of the preceding claims, wherein the conveyor (108) is arranged to convey the planar objects (102, 102a-e) in an upright position or in a lying position.

8. The system (100) according to any one of the preceding claims, wherein the system (100) further comprises a length measurement station (1 14) arranged to determine a property related to length and associated to each of the planar objects (102, 102a-e) being conveyed through the length measurement station (114).

9. The system (100) according to any one of the preceding claims, wherein the system (100) further comprises a width measurement station (114) arranged to determine a property related to width and associated to each of the planar objects (102, 102a-e) being conveyed through the width measurement station (114).

10. The system (100) according to any one of the preceding claims, wherein the system (100) further comprises a weight measurement station (114) arranged to determine a property related to weight and associated to each of the planar objects (102, 102a-e) being conveyed through the weight measurement station (114).

11. The system (100) according to any one of the preceding claims, wherein the system (100) further comprises a fiber type measurement station (114) arranged to determine a property related to fiber type and associated to each of the planar objects (102, 102a-e) being conveyed through the fiber type measurement station (114).

12. The system (100) according to any one of the preceding claims, wherein the system (100) further comprises a binder type measurement station (114) arranged to determine a property related to binder type and associated to each of the planar objects (102, 102a-e) being conveyed through the binder type measurement station (114).

13. The system (100) according to any one of the preceding claims, wherein the system (100) further comprises a surface layer detection station (114) arranged to determine a property related to presence of a surface layer and associated to each of the planar objects (102, 102a-e) being conveyed through the surface layer detection station (114).

14. The system (100) according to any one of the preceding claims, wherein the system (100) further comprises a humidity level measurement station (114) arranged to determine a property related to humidity level and associated to each of the planar objects (102, 102a-e) being conveyed through the humidity level measurement station (114).

15. A method (200) for recycling planar objects (102, 102a-e) having a first major surface and an opposing, second major surface, the planar objects (102, 102a-e) comprising compressed mineral fiber material, the method (200) comprising:

sequentially (202) conveying the planar objects (102, 102a-e) one by one through a number of stations (110, 110x, 112, 112x, 114, 116) along a conveyor direction (CD) to determine a number of properties,

determining (204) a property related to thickness and associated to each of the planar objects (102, 102a-e) using a thickness measurement station (110, 11 Ox) while conveying each of the planar objects (102, 102a-e) through the thickness measurement station (110, 11 Ox),

determining (206) a property related to sound absorption and associated to each of the planar objects (102, 102a-e) using a sound measurement station (112, 112x) while conveying each of the planar objects (102, 102a-e) through the sound measurement station (112, 112x), wherein determining the property related to sound absorption comprises;

backing (206a) the first major surface of a planar object (102, 102a-e) being conveyed through the sound measurement station (112, 112x) on a sound reflecting surface (120),

emitting (206b) sound towards the sound reflective surface (120), such that the emitted sound enters the planar object (102, 102a- e) at the second major surface and propagates through the planar object (102, 102a-e) to the sound reflective surface (120),

receiving (206c) sound exiting the second major surface of the planar object (102, 102a-e) and being reflected by the sound reflecting surface (120), and

determining (206d) the property related to sound absorption based on the emitted sound and the received sound, and

sorting (208) the planar objects (102, 102a-e) based on their respective determined properties in to a plurality of fractions (116a-d, 116w) using a sorting station (116), wherein at least one of the plurality of fractions (116a-d,

116w) is used for assembling planar objects (102, 102a-e) comprising compressed mineral fiber material.

16. The method (200) of claim 15, wherein the method (200) further comprises determining at least one of: a property related to length, a property related to width, a property related to fiber type, a property related to binder type, a property related to presence of a surface layer and a property related to humidity level, wherein the at least one determined property is associated to each of the planar objects (102, 102a-e).