Simply introduce the selection of the rod mill and the media analysis of the rod mill.
How to choose the rod mill is a question for the buyer. The rod mill is for line contact and the ball mill is point contact. The product size of the rod mill is more uniform than that of the ball mill. The size of the ball mill product is smaller and finer. The particle size distribution of the ball mill is stacked. The efficiency is higher than that of the rod mill; the wear rate of the rod is lower than the wear rate of the ball. The daily maintenance must be added with a certain amount of balls, and the rod only needs to be inspected and replaced within a period of time; the power consumption of the ball mill is slightly larger than Rod mill; rod mill equipment adopts advanced controllable in-and-out rod mill technology, and the actual grinding material is combined with the user's grinding material. The surface contact of the traditional ball mill is changed to line contact, and the rod mill equipment is out. The fineness of the material can be changed by simple adjustment, the fineness control device can be arranged inside, the fineness control device can be arranged inside, the screening device can be added with the screening device, and the two gates can be closed. The rod grinding sanding machine can be selected in both dry and wet forms. Users can choose according to their needs. Preparing an aqueous coal slurry now seems most of the ball from the previous shift rod mill, to prepare a raw material slurry of alumina in the Bayer process to produce a rod mill, a ball mill was added swirler composition production process, widely used in mineral processing plants The grinding equipment is a ball mill and a rod mill. The rod mill is a common equipment for artificial sand making, and it is often a great advantage to reduce the amount of pulverization.
In terms of grinding, the research focuses on high-efficiency and energy-saving new mills, large-scale grinding machines, wear-resistant linings and wear-resistant media, reasonable proportions of steel balls, grinding aids, advanced grinding and grading process cores, and automation of grinding processes. etc. The existing industrial rod mill can be divided into three types: edge rack drive, central drive and friction wheel drive according to the cylinder drive mode. Among them, the edge rack drive rod mill is the most widely used. In view of the shortcomings of the edge rack drive, Zhang Xuanzhi introduced a chain drive rod mill. The chain drive rod mill only needs to change the transmission part of the edge gear drive rod mill. The basic parameters and technical requirements of the chain drive rod mill are in line with the national industry standards as the edge gear drive rod mill, and have many advantages, such as Effectively isolate vibration; reduce the quality of transmission components; ball mills commonly used in concentrators include lattice ball mills and overflow models. The main advantages of the overflow ball mill are simple structure, good management, easy maintenance, and fine grain size of the grinding products. The disadvantages are high drainage liquid surface, long residence time of the slurry in the grinding machine, low volume per unit volume, and overflow type. The ball mill is suitable for the second stage of grinding and intermediate product re-grinding in the two-stage grinding process. The grid end of the lattice type ball mill is provided with a grid plate. The advantage is that the slurry surface is relatively low, the qualified product can be discharged in time, and the over-grinding of the ore is reduced. Therefore, it is often used for the first stage of grinding, and often forms a closed circuit with the spiral classifier. Large-scale concentrators should use large-scale grinding machines.
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