Environment-friendly coal dressing flotation reagent and preparation method thereof

• Main Authors: JIANG HONG, ZHU ZHENGJUN, SHI JILU, LI ZHIBIN, MIAO SHUJI
• Format: Patent
• Language: Chinese; English
• Published: 21.12.2021
• Subjects: DIFFERENTIAL SEDIMENTATION; FLOTATION; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS; PERFORMING OPERATIONS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS; SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS; TRANSPORTING

The present invention relates to the technical field of flotation agents, and provides an environment-friendly coal flotation agent, comprising the following components in parts by weight: 20-30 parts of 2,2,4- trimethyl-1,3-dimethylacrylate, 50-55 parts of epoxidized soybean oil ester, 1-3 parts of isobutyric acid, 1-3 parts of methyl palmitate, 2-3 parts of dioctyl terephthalate, 1-3 parts of 2-ethylhexanol, 40-50 parts of light diesel oil, 8-12.5 parts of kerosene, 1-3 parts of N-methyl pyrrolidone, 0.5-0.8 part of polyvinyl alcohol, 15-20 parts of 1-hexadecanol, 0-6 parts of 2-phenyl-2propanol, 12-15 parts of a foaming agent and 40-60 parts of water. The invention further provides a preparation method of the environment-friendly coal separation flotation agent. By means of the technical scheme, the problems that in the prior art, the coal dressing effect is poor, and the medicine consumption is high are solved. 本发明涉及浮选药剂技术领域，提出了一种环保型选煤浮选药剂，按照重量份包括以下组分：2,2,4-三甲基-1,3-二甲基丙烯酸戊二醇酯20-30份、环氧化丙烯酸豆油酯50-55份、异丁酸1-3份