Description of Vertical Mill:
Our HRM and PRM type vertical mill can be used to grind materials with a diameter less than 44mm on the rotary disc by rollers with certain pressure. It has advantages of high grinding efficiency, strong dry capacity, easily adjustable grinding size, low noise, low power consumption, simple process flow, low wear rate, low operation costs, etc.
It is mainly comprised by segregator, grinding roller, grinding disc, pressure device, speed reducer, electromotor, shell, and more.
Type vertical roller mill:
According to different materials ,our company researched and developed five different kinds of PFRM vertical mill ,include cement raw vertical roller mill(hereafter this text will beabbreviated as raw vertical mill) ,slag vertical mill,cement vertical mill, coal vertical mill,limestone vertical mill.
Features of Vertical Mill:
1. High grinding efficiency and low power consumption. This kind of machine consumes 20-30% lower power. And with the growing of moisture content, its energy-saving effect will be more obvious.
2. Strong dry ability. Air is used to send materials, and the temperature of the air can be controlled according to the moisture content of materials. And this mill can be used to dry materials with moisture content as high as 12~15%, which is much higher than the special dryer.
3. Large feeding size. The feeding size can be as large as 5% of the diameter of the grinding diameter, that is, 40 to 100mm. Therefore, secondary grinding is unnecessary for large-scale and medium vertical mill.
4. Stable chemical composition and even particle size products.
5. Simple process flow and small in size. There is a segregator in the vertical mill, which makes powder separator and elevator unnecessary. Grinded dusty air can directly enter into the environmental protection equipment. So its process flow is quite simple and compact. Its structure size is only 70% of that of the ball mill, and its building space is only 50~60% of that of the ball mill.
6. Low noises, few dust, and environment friendly. There is no direct contact between the grinding rollers and grinding disc, so there is no impact sound caused by the colliding between the steel balls or between the steel ball and lining plate. Compared with ball mill, its noises are 20~25 decibels. Besides, our HRM and PRM vertical mills are sealed totally, so the whole system can work under the negative pressure condition. In this way, raising dust is vastly reduced.
7. Low metal wear rate, long service lifespan and high utilization rate of lining plate and grinding rollers. Because there is no direct contact and impact between metal components, its accessories have less wear and long service life. When this vertical mill processes medium hardness cement materials, its grinding rollers and lining plates can work normally as long as 8,000h.
============================================================================================================
As world-known and high-quality cement machinery general contractor, Jiangsu Pengfei Group Co., Ltd can provide you with various machines, such as cement production line, cement grinding plant, active lime production line, industrial kiln and furnace, grinding equipment, crushing equipment, environmental protection equipment, drying equipment, cooling equipment, compound fertilizer equipment. Most of our products have passed the certification of ISO9000 and CE, and they have been quite popular among customers from as many as 60 countries and districts such as Germany, Russia, Brazil, Egypt, Japan, South Korea, Bengal, Pakistan, Turkey, Vietnam, South Africa, Columbia, Bolivia, etc. If you need equipment such as rotary kiln, ball mill, vertical mill, rolling machine , please don't hesitate to contact us.