US 11,898,699 B2
Oil mist recovery, separation and purification device for minimum quantity lubricant grinding process
Changhe Li, Qingdao (CN); Zhenjing Duan, Qingdao (CN); Huajun Cao, Qingdao (CN); Xuefeng Xu, Qingdao (CN); Naiqing Zhang, Qingdao (CN); Lan Dong, Qingdao (CN); Yanbin Zhang, Qingdao (CN); Xiufang Bai, Qingdao (CN); Wentao Wu, Shandong (CN); Teng Gao, Qingdao (CN); Min Yang, Qingdao (CN); Dongzhou Jia, Qingdao (CN); Runze Li, Qingdao (CN); and Yali Hou, Qingdao (CN)
Assigned to QINGDAO UNIVERSITY OF TECHNOLOGY, Shandong (CN); and SHANGHAI JINZHAO ENERGY SAVING TECHNOLOGY CO., LTD., Shanghai (CN)
Appl. No. 17/279,491
Filed by QINGDAO UNIVERSITY OF TECHNOLOGY, Shandong (CN); and SHANGHAI JINZHAO ENERGY SAVING TECHNOLOGY CO., LTD., Shanghai (CN)
PCT Filed Feb. 6, 2020, PCT No. PCT/CN2020/074390
§ 371(c)(1), (2) Date Mar. 24, 2021,
PCT Pub. No. WO2020/156583, PCT Pub. Date Aug. 6, 2020.
Claims priority of application No. 201910100369.2 (CN), filed on Jan. 31, 2019.
Prior Publication US 2021/0387300 A1, Dec. 16, 2021
Int. Cl. F16N 7/32 (2006.01); B23Q 11/10 (2006.01); B24B 55/12 (2006.01); F01M 13/04 (2006.01); B01D 45/16 (2006.01); F16C 33/66 (2006.01); B01D 50/20 (2022.01); B01D 46/00 (2022.01)
CPC F16N 7/32 (2013.01) [B23Q 11/1046 (2013.01); B23Q 11/1069 (2013.01); B24B 55/12 (2013.01); B01D 45/16 (2013.01); B01D 46/0031 (2013.01); B01D 50/20 (2022.01); B01D 2273/30 (2013.01); F01M 2013/0438 (2013.01); F16C 33/6662 (2013.01)] 10 Claims
OG exemplary drawing
 
1. An oil mist recovery, separation and purification device for a minimum quantity lubricant (MQL) grinding process, the device comprising:
a pneumatic separation mechanism, configured to separate oil mist and particles in air and comprising a pipeline and a fan fixedly connected with one end of the pipeline, wherein the fan is configured to form a negative pressure in the pipeline, at least one cone-shaped filter mesh mechanism is disposed in the pipeline, a tip of the cone-shaped filter mesh mechanism faces a side of an air inlet direction of the pipeline, and the cone-shaped filter mesh mechanism is configured to separate the oil mist and particles in air; and
a filtering and recovery mechanism, connected with the pipeline, configured to filter and recover the oil mist separated by the pneumatic separation mechanism, and comprising a case body, a filtering mechanism and a recovery mechanism, wherein the case body is connected with the pipeline through a connecting part, the filtering mechanism is configured to filter separated oil mist, the filtering mechanism is connected with the recovery mechanism, and the recovery mechanism is configured to recover oil filtered by the filtering mechanism.