About raymond millraymond mill (raymond roller mill) is applicable to the grinding and processing of more than 280 kinds of non-flammable and non-explosive materials with hardness less than 7 and humidity less than 6% in mining, construction, chemical industry and metallurgy, such as barite, calcite,feldspar, talcum, marble, limestone, clay, glass.The fineness of the finished product can be adjusted from 100 meshes to 325 meshes according to requirements.It is the main and widely used grinding machine.After many years of practice and improvement, its structure is getting perfect day by day.For low consumption, low investment, environment friendly , small occupation area, and more efficient than the traditional mill, it is widely used in the field of metallurgy, building materials,chemical industry and mining to process powder.Structure of raymond mill1.The whole plant is a vertical structure of strong systematic characteristic, so it occupies small area.It is an independent production system from crushing of raw material to grinding and packing.2.Compared with other milling plants, its passing ratio achieves 99%, this is what other mill cannot reach.3.Driving system of main frame adopts airtight gearing and pulley, drives smoothly and operates reliably.4.Main parts of the whole plant are made from cast and steel of high quality.The techniques is so subtly that insures the durability of whole plant.5.The electric control system is centralized controlled, so the automaticity is high, no people are needed in the operating room.Raymond mill maintenance and repair1.Operate the equipment have to be technically trained to know the principle and rules of operation.Someone should be specially selected and put in charge of the operation.2.To ensure normal operation of the equipment, a manual containing strict rules and procedures for its operation, maintenance and repair should be well prepared and followed.Tools, replacement parts for maintaining, repairing and lubricating oil and grease must be available for immediate use.3.After a period of usage, the equipment should be checked, to replace worn-and-torn parts such as rollers, rings and shovels.Be sure to fasten connecting-bolts, nut collars to fix rollers properly.Be sure to lubricate the parts sufficiently.4.Roller should be replaced after 500-hours use.It is to check and wash bearings in them and replace broken ones, and then fills enough oil and grease (with oil-pump or grease-gun).
2.Raymond mills shovel knife is responsible for scooping up the material.When the blade is used for a period of time or the quality is not too strong, the material can not be shoveled and the phenomenon of no powder or less powder will be caused.A new blade needs to be replaced to ensure proper operation of the equipment.
If you want to change the product fineness of raymond mill (especially with low mesh to high mesh),wet magnetic separator you must pay attention to clean up thick powder and large particles on the the classifier, piping, cyclone dust collector, and finished products warehouse.Otherwise it will easily cause large particles pollution.The general cleaning method: after cleaning up the mill cavity, the residual material in the wind box,drum dryer stop the main engine and stop feeding material, transfer the classifier to the high speed which is suit for processing corresponding fine powder, then open the blower at maximum, meanwhile start the wall vibrator on the product warehouse.Cement equipment we should run more than 4h in this way, in this process you must appropriately beat the pipe, cyclone dust collector and finished products warehouse shell to help remove adhesive residue.Don't be boring to ignore this key process, especially in the production of ultrafine powder which is strictly limited to the large particles.Rotary dryers.
Our copper ore grinding mills include ball mill, raymond mill, super thin mill and coarse powder mill.Ball mill is the traditional horizontal grinding mill and has very wide use, which can grind many kinds of material.Raymond mill is the vertical grinding mill, which is popular in many countries and has very long history.Super thin mill is special for super thin grinding and coarse powder mill is special for coarse powder grinding.You can choose acceptable copper ore grinding mill depends on your copper ore size, hardness, capacity and your expense budget.
In the main frame, a 1000-1500kg high pressure spring is fixed to the roller suspender.After the grinder is put into effect, the roller will circumgyrate around the main shaft, and rolls chosely against the grinding ring effected by the high pressure is 1.2 degree than raymond mill.
The mechanical force-giving situation is different according to the different hardness of ores.Therefore, the force-giving situation of raymond mill is complex.We should consider the main force to the ores in order to make analysis and do research.
World economic climate by the financial crisis, "black storm." some weakness in different sectors, especially in the cement industry, steel industry, so milling market was also affected, but also the historic raymond mill machine is a big trauma, it is actually often volatility, in many cases, some the famous company in redmond "zero profit" product sales.But in 2014, china's economic plight has slowly revitalized indicators.It begins smooth and orderly development, the new round of investment and income approaches, the value of raymond mill is an inevitable disturbances and fluctuations.
Raymond mill is the most commonly used grinding equipment in the market, it makes the material into finished product, and it is a leader in the grinding production line.After the materials are crushed to the desired particle size, the elevator send it into the storage hopper, and then vibrating feeder continuously puts it into the raymond mill chamber, due to the effects of centrifugal force, the roller swings outward and pressed on the grinding ring, the shovel puts material into grinding roller and grinding ring, because of rolling of the roller, the whole grinding process could be achieved.
As the professional manufacturer of complete sets of mining machinery, such as jaw breakers,sand washer,raymond mill, henan hongxing is always doing the best in products and service.
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