(19)
(11) EP 4 331 726 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
19.02.2025 Bulletin 2025/08

(43) Date of publication A2:
06.03.2024 Bulletin 2024/10

(21) Application number: 24151631.9

(22) Date of filing: 02.10.2017
(51) International Patent Classification (IPC): 
B02C 15/08(2006.01)
B02C 15/00(2006.01)
 B02C 23/06(2006.01)
(52) Cooperative Patent Classification (CPC):
B02C 15/004; B02C 15/08
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 03.10.2016 WO PCT/US2016/055118

(62) Application number of the earlier application in accordance with Art. 76 EPC:
17858957.8 / 3519099

(71) Applicant: Coperion Process Solutions LLC
Kansas City, MO 64153 (US)

(72) Inventors:
  • CHEN, Michael, M.
    Naperville, IL 60564 (US)
  • CHEN, Jianrong
    Naperville, IL 60564 (US)
  • HOAG, James, R.
    Kihei, HI 96753 (US)
  • PODMOKLY, David, M.
    Downers Grove, IL 60516 (US)

(74) Representative: Ström & Gulliksson AB 
P.O. Box 4188
203 13 Malmö
203 13 Malmö (SE)

   


(54) PLANETARY ROLLER MILL FOR PROCESSING HIGH MOISTURE FEED MATERIAL


(57) A grinding mill for processing feed material, the grinding mill comprising a vessel assembly (20) mounted to a stationary frame (21) and having an inside peripheral surface; a material feed supply (22) in communication with an interior area of the vessel assembly (20) via a feed outlet (22B) extending radially inward through the inside peripheral surface; a grinding assembly (30) positioned in the vessel assembly (20), the grinding assembly (30) comprising: a grinding surface (46); a plurality of grinding rollers (50) rotatably mounted relative to the grinding surface (46), the plurality of rollers (50) being configured to be in grinding communication with the grinding surface (46); and further comprising a cover (59) positioned over the feed outlet (22B); further comprising a ramp (49) secured to the inside peripheral surface and extending downwardly and radially inward relative to the feed outlet (22B), the ramp (49) is at least partially extending between the feed outlet (22B) and the grinding ring (32) and being disposed radially outwardly from the grinding rollers (50); and wherein the cover (59) is positioned over at least a portion of the ramp (49).







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