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2020-07-13 Design and transformation of cement mill vertical roller mill and steel ball mill gas solid flow simulation cement plant
Design and transformation of cement mill vertical roller mill and steel ball mill gas solid flow simulation cement plant.
For decades, tavero174 hea2174 tavero174 lga174 and tavero174 mtda174 grinding aids have been used all over the world to optimize the cement production of ball mills. The introduction of tavero174 VM grinding aid improves the product line and provides a solution specially designed for VRM of vertical roller mill.
For raw materials and cement clinker, vertical roller mill is a good grinding solution because of its relatively low installation cost, easy operation and maintenance, energy efficiency and product quality. In addition, our vertical roller mill cement grinding solution enables dry grinding and separation in a single unit.
The grinding of cement clinker with vertical roller mill is a technology first adopted by Roche in 1935. About 30 years ago, he introduced the first vertical roller mill to grind cement clinker and blast furnace slag particles at one time.
The necessity of continuous improvement of grinding process in cement industry and the reduction of relevant costs promote the popularity of vertical cement mill in the world. These special mills have a series of advantages compared with the traditional horizontal grinding machines.
October 1, 2010 18332 promoting cement grinding in vertical mill overview in the cement industry, the necessity of continuous improvement of grinding process and the reduction of related costs have promoted the popularity of vertical cement mill in the world. Compared with the traditional mills, these special mills have a series of huge advantages of horizontal ball mills.
The biggest advantage of the company is that it has large casting base and large processing workshop, which greatly shortens the delivery period of cement vertical mill. Grmk cement vertical mill has the advantages of compact structure and small volume, mainly including high-efficiency separator, grinding roller, grinding table, hydraulic loading device and other grinding roller hydraulic lubrication system.
The effect of grinding aids on cement grinding is based on the dispersion of fine particles. It is misunderstood that the grinding aids of vertical roller mills should stabilize the material layer between the roller and the table through the adhesion between particles.
The combination of the grinding efficiency of vertical roller mill and the ability of dry grinding and classification in a single unit makes the vertical roller mill have obvious advantages over the ball mill system. However, despite these advantages, the application of vertical roller mill in cement grinding is rare.
SGIS grmr vertical mill is a new type of high-efficiency, energy-saving and environmental protection grinding equipment specially used for cement raw meal grinding system in the cement plant. The output can reach 720 tons and the power consumption is 1720 kwh.
The roller mill technology, which was patented in 1928, has been developed continuously since then. It has become the synonym of engineering technology, cement and blast furnace slag cement raw materials initiated by Lois.
The second stage is carried out in the cement mill. Our vertical roller mill may be located in a different place from the clinker plant, gypsum calcium sulfate, as well as possible addition of cement, such as blast furnace slag, fly ash, natural pozzolanic ash, etc.
The specific energy consumption of the ball mill is 15 to 2 times larger than that of the vertical roller mill VRM with the same operation, which depends on the optimization degree of the ball mill fine grinding system. Figure 1 summarizes the common cement grinding systems, which can be divided into three categories.
Chaang cement vertical mill adopts a new generation of cement grinding technology, which integrates the functions of grinding drying and powder selection. The grinding roller is used to grind and crush the materials. 3. The grinding table is fixed on the output shaft of the reducer, which is the place for grinding roller abrasives.
In the past 30 years, the vertical roller mill is now the most commonly used mill for cement grinding, and the vertical roller mill has become the preferred mill for grinding raw materials. The grinding efficiency of vertical roller mill is combined with the ability of dry grinding and classification in a single unit to form vertical roller mill.
Vertical mill is a kind of equipment which grinds materials by rolling the roller on the grinding plate. There are several aspects in the normal operation of vertical mill. The material layer thickness and stable layer of vertical mill are the basis of stable operation.
Vertical mill with integrated separator is a flexible mill with integrated separator. Vertical mill has high energy economy and can dry, grind, separate and transport feed in mill with low specific wear value. Therefore, it is especially suitable for grinding products with high proportion of wet components.
Compared with ball mill, vertical roller mill for cement grinding has higher energy consumption utilization rate, which is the main reason why vertical roller mill is preferred in cement grinding system. Vertical roller mill is a new type of large vertical mill widely used in cement powder metallurgy.
Vertical roller mill is a kind of crusher used for cement raw meal, cement clinker, slag and coal cinder. It has the characteristics of simple structure and low manufacturing cost. Its use forms are various, but the working principle is basically the same.
Since the 1980s, the vertical roller mill has been widely used than the tubular mill. Due to its high-efficiency grinding performance, it has become the mainstream equipment for cement plant to process cement into fine powder.
Vertical roller mill is widely used in grinding cement raw materials, clinker, bauxite, phosphate, magnesite and other minerals.
Vertical roller mill 24 rollers equipped with replaceable liners rotate on their shafts, and the pressure is applied hydraulically on the rotary grinder equipped with replaceable liners.
In recent years, VRM roller press with ball mill has been used for cement grinding in cement plant. Ball mill is a kind of cylinder which rotates on two trunnions at about 7080 critical speed. It is used for white metal bearing or slipper bearing of large mill.
With this new type of roller suspension device, the roller can swing out of the mill in a controllable way, so as to replace the single part grinding roller. Use lifting device and maintenance drive as well as rollers to replace the segmented wear parts of the grinder.