Jiang Lirong introduced sulfuric acid was dissolved burning pyrite metal oxide in the slag, reduction with iron shavings Cu, and concentrated in vacuo to precipitate Fe 2 (SO 4) 3, used to make efficient static agent - ferric sulfate, the residue Gold is recovered by cyanidation, which can increase the grade of Au by 5 to 8 times. According to preliminary analysis, each ton of slag can create an economic benefit of about 240 yuan, which creates a new prospect for the comprehensive utilization of pyrite slag. Iron-based magnetic powder is an extremely important magnetic recording material and belongs to high-tech products. The iron-based magnetic powder mainly has Fe 3 O 4 , γ-Fe 2 O 3 and a-Fe magnetic powder. China's magnetic tapes use γ-Fe 2 O 3 magnetic powder mainly for import. Therefore, it is of great significance to strengthen the research of the above-mentioned products and strive to achieve localized and industrialized production as soon as possible. The general preparation process of iron oxide magnetic powder is: The preparation process of metal ferromagnetic powder is: After pyrite cinder with a binder (CaO) were mixed by shaking summarized molding, activation, drying, SW type is made efficient desulfurization agent, H biogas, gas, coal gas, etc. 2 S removal. The saturated sulfur capacity is 9.5%, which is regenerated by air oxidation. When the accumulated sulfur capacity of the desulfurizer is 20%, it can be used to produce sulfuric acid. SW desulfurizer has high purification degree, and has good desulfurization effect on biogas generated by water gas, wine plant sewage treatment and H 2 S in coke oven gas, and can reduce H 2 S content from 3000 to 5000 mg/m 3 to 20 mg/ Below m 3 , meet national emission standards. The operation is simple, the use of regeneration is convenient, and has good environmental and economic benefits. The conveyor has the following characteristics. Conveyor Belt,Rubber Conveyor Belt,Conveyor Belt System,Used Conveyor Belt Shijiazhuang EFU Machinery Co., Ltd , https://www.efuequip.com
â‘ Higher movement speed can be used, and the speed is stable.
â‘¡Has higher productivity.
â‘¢Under the same productivity, light weight, small size, low cost and low driving power.
â‘£The parts of the transmission machinery have low load and small impact.
⑤Compact structure, easy to manufacture and maintain.
â‘¥The fixed action of the conveying goods line is single, which is convenient to realize automatic control.
⑦The load is even during the working process, and the power consumed is almost unchanged.
According to the different installation methods,
Conveyors can be divided into two categories: fixed conveyors and mobile conveyors. Fixed conveyor means that the entire equipment is fixedly installed in one place and cannot be moved. It is mainly used for fixed transportation occasions, such as dedicated docks, goods movement in warehouses, transportation between factory production processes, receipt of raw materials and distribution of finished products, etc. It has the characteristics of large conveying capacity, low unit power consumption and high efficiency. Mobile conveyor means that the entire equipment is installed on wheels and can be moved. It has the characteristics of strong mobility, high utilization rate, and timely arrangement of transportation operations to meet the requirements of loading and unloading. This type of equipment has a low transportation volume and a short transportation distance, and is suitable for small and medium-sized warehouses.
According to different structural characteristics,
Conveyors can be divided into conveyors with flexible traction members and conveyors without flexible traction members. The working feature of the conveyor with flexible components is that materials or goods are transported in a certain direction by the continuous movement of the traction member under the action of the traction member. The traction component is a closed system of reciprocating cycle, usually part of the conveying goods, and the other part of the traction component returning, common belt conveyors, chain conveyors, bucket elevators, suspension conveyors and other conveyors without flexible components The characteristic of the work is to use the rotating motion or vibration of the working components to transport the goods in a certain direction. Its conveying components do not have the form of reciprocating circulation. Commonly include pneumatic conveyors, screw conveyors, and vibrating conveyors.
According to different forms of conveying cargo force,
Conveyors can be divided into mechanical, inertial, pneumatic, hydraulic and other categories;
According to the nature of the goods,
Conveyors can be divided into continuous conveyors and intermittent conveyors. Continuous conveyors are mainly used for the conveying, loading and unloading of bulk goods. Intermittent conveyors are mainly used for the transportation of containerized unit goods (ie packaged goods), so they are also called unit load conveyors.