(57) A roll crusher of a cooler device is provided which can level out changes over time in the load on the rolls. This roll crusher 15 of a cooler device 1 is provided with multiple load reducing rolls 15a, 15b. The load reducing rolls 15a, 15b are arranged in parallel to a conveyance direction with a gap S1 there between and are rotated by rotation units about rotation axes L1, L2, so as to crush cement. The load reducing rolls 15a, 15b have multiple crushing rings 22, 23, 32, 33, and on the outer peripheral surface of the crushing rings 22, 23, 32, 33, crushing teeth 24, 27, 34, 35 are formed at an equal pitch p1, p2, and the crushing teeth 27, 35 are arranged offset in the circumferential direction with respect to adjacent crushing teeth 24, 34.
(71) Kawasaki Jukogyo Kabushiki Kaisha, Hyogo (JP)
(84) ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)