Vertical roller mill and machine-made sand production system

• Main Authors: DOU HAIJIAN, NIE WENHAI, LIU DI, GUO LEI, WANG WEILI
• Format: Patent
• Language: Chinese; English
• Published: 07.06.2024
• Subjects: CRUSHING, PULVERISING, OR DISINTEGRATING; CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN; PERFORMING OPERATIONS; PREPARATORY TREATMENT OF GRAIN FOR MILLING; TRANSPORTING

The invention discloses a vertical roller mill and a machine-made sand production system, and relates to a grinding equipment technology. The roller mill comprises a grinding part, wherein a grinding disc and a grinding roller form a part of the grinding part. The device comprises a pre-grinding part and a self-adaptive material blocking adjusting part. The pre-grinding part is composed of a feeding center shaft and a grinding unit, and the feeding center shaft is located above the grinding disc. The N grinding units are uniformly distributed around the grinding and feeding central shaft, and the pre-grinding parts of the grinding units are in contact with the grinding end surface of the grinding disc. The self-adaptive material blocking adjusting part comprises a rocker arm sealing frame, a material blocking device and a linkage assembly. The rocker arm sealing frame serves as a grinding roller support and is installed on a roller mill rack. The material blocking device comprises a fixed material blocking de