WO 2021/189218 A1

Vertical mill having grinding roller with ball studs, and grinding roller and grinding disc

(22) 23.03.2020

(43) 30.09.2021

(57) Disclosed are a vertical mill having a grinding roller with ball studs, and a grinding roller and a grinding disc. The vertical mill comprises a grinding disc (4) and a grinding roller (5), wherein a plurality of uniformly arranged ball studs (6) are inserted into a grinding roller body (51) of the grinding roller (5) along the outer surface thereof; each ball stud (6) is inserted into an insertion hole (511) corresponding thereto of the grinding roller body (51); a grinding disc lining (7) is arranged at the position of the grinding disc (4) facing the top of the grinding roller (5); a plurality of ball studs (6) which are uniformly arranged and inserted into the inner wall thereof are also arranged in the inner wall of the grinding disc lining (7); and each ball stud (6) is provided with an exposed ball head part (61), an insertion part (62) and an insertion ball head part (63). The vertical mill with the structure, and the grinding roller and the grinding disc make the cement vertical mill form a stable material layer more easily, thereby reducing vibration, and the service life of the grinding roller and of the grinding disc lining is further prolonged, the running rate of an apparatus is further improved, and the ball studs are easy to mount and replace, and the replacement period thereof is relatively short.

(71) Jiangsu Pengfei Group Co., Ltd., Jiangsu 226600 (CN)


Related articles:

Issue 5-6/2020 WO 2020/042679 A1

Multi-roller vertical cement roller mill having alternately standby grinding rollers

(22) 31.08.2018 (43) 05.03.2020 (57) A multi-roller vertical cement roller mill (20) having alternately standby grinding rollers, being used for milling materials, and comprising: a grinding disk (5)...

Issue 5/2022 US 2022/0127193 A1

Moisture management in vertical roller mills

(22) 01.02.2019 (43) 28.04.2022 (57) Disclosed are exemplary method and system for manufacturing cement in a vertical roller mill (VRM) using humidity sensor readings. This enables adjustment of...

Issue 6/2016 LOESCHE GMBH

Loesche supplies another vertical roller mill to Adana Cement

The Adana cement works do not only grind slag but now also cement raw material using a Loesche vertical roller mill. The company Adana Cement is a subsidiary company of the Oyak Group, which is one of...

Issue 7-8/2010

Vertical roller mill for Lixhe

Heidelberg Cement Benelux contracted to Gebr. Pfeiffer AG for an MPS 225 BK vertical roller mill for coal grinding which will be set up at its Lixhe works in Belgium. The mill, which will replace a...


The industrial application of vertical roller mill separate grinding technology used in large scale raw mill

1 Introduction The vertical roller mill is one of the large host units of the new dry cement production process, which adopts the principle of material layer grinding and has been widely used in the...