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) for placing materials; a plurality of grinding roller groups (17) provided above the grinding disk (5), each grinding roller group (17) having two grinding rollers (1-4) symmetrically provided on two sides of the grinding disk (5); a plurality of swing mechanisms (19) correspondingly connected to the grinding rollers (1-4), and each swing mechanism (19) being used for controlling the swing grinding of the corresponding grinding roller (1-4); and a hydraulic control device (6) connected to the plurality of swing mechanisms (19), the hydraulic control device (6) being able to selectively control one grinding roller group (17) of the plurality of grinding roller groups (17) to swing to grind materials by means of the plurality of swing mechanisms (19), while the remaining grinding roller groups (17) do not work so as to be maintained or cleaned.

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


Related articles:

Issue 6/2017 GEBR. PFEIFFER SE

Wonder Cement switches to Pfeiffer ­vertical roller mill for cement grinding

Wonder Cement belongs to a family company based in Udaipur/India, which – apart from other businesses – is active in the cement industry. As Gebr. Pfeiffer already supplied four mills of the type...

Issue 9/2018 LOESCHE GMBH

Loesche sells two further vertical roller mills to Bangladesh

Loesche recently received an order from the cement manufacturer Seven Circle Bangladesh Ltd. (SCBL), part of the holding company Shun Shing Group (SSGIL)/Hong Kong, for a vertical roller mill for its...

Issue 11/2011

Gebr. Pfeiffer to supply the world’s largest vertical roller mill for cement

Holcim (Brasil) S.A. has awarded the Spanish EPC leader Cemengal a contract to supply a state-of-the-art cement grinding station to increase the capacity of its Barroso works located in the Brazilian...

Issue 2/2023 GEBR. PFEIFFER SE

First MVR vertical roller mill in Senegal by Gebr. Pfeiffer

Especially in the recent past, Pfeiffer MVR vertical roller mills have been installed in many African countries. So, the news about the many advantages of this innovative grinding technology is...

Issue 1-2/2018 LOESCHE GMBH

Penna Cement Industries Limited places order for a Loesche vertical roller mill

Loesche has won an order from Penna Cement Industries Limited, India. The vertical roller mill is to be used at the cement plant in Boyareddypalli (in the state of Andhra Pradesh), around 200 km north...