Vertical mill for mineral powder

1.

bus line: 154 → K22, the whole journey is about 12.7km

1. Walk about 210m from Kunming station to Kunming Station (Yongsheng Road)

2. Take No. 154, pass 8 stops, and reach Shuangfeng intersection (Guangfu Road)

3. Take No. K22, pass 9 stops, and reach No. 13 Hall Station of Dianchi Convention and Exhibition Center

4. Walk about 520m, Arrive at Kunming Dianchi International Exhibition Center

2. HTC is going to close down, not focusing on customer experience is doomed to be the end

3. According to the statistical data at the end of 2011, 7148 gold deposits (spots) have been found in China, including 3734 rock gold deposits (spots), 3026 placer gold deposits (spots) and 388 associated gold deposits (spots). There are 1232 proven gold deposits, including 573 rock gold deposits, 456 placer gold deposits and 204 associated gold deposits

according to the statistics of China's mineral reserves summary table, at the end of 1996, China's gold reserves were 4264.78t, including 2515.8t rock gold, accounting for 59%; 42t, accounting for 13. 1%; The accompanying (total) gold was 1191.56t, accounting for 27.9%< During the period from the founding of the people's Republic of China to the 11th five year plan, the proven reserves in China are 5340.98 tons. Gold resources in China are mainly composed of rock gold, placer gold and associated gold, mainly rock gold

the most important gold mine in China is in Zhaoyuan City, Shandong Province. There are also many in Xinjiang.

4. At present, the steel market is still in the decline channel, and the quantity is very small, most of them are on the wait-and-see. If the procts proced by the factory are not sold in time, it will cause difficulties in capital turnover and be forced to stop proction; Second, the cost of purchasing raw materials at the current spot price is relatively high. The procts proced basically have no money in the market, and they will even lose money. If they stop proction, they will lose less; Most of the reasons why factories now insist on proction are that the price of ore powder in stock is not high, which is equivalent to a small profit. In addition to some other by-procts of power generation, they can maintain proction.

5. Our factory uses the vertical mill of Xinxiang Great Wall Machinery. It has been put into operation for more than a year, and the coal consumption and power consumption indexes can meet the design requirements, especially the comprehensive power consumption is less than 40 degrees, and the operation is relatively stable. Overall, we are quite satisfied. By the way, they have an annual output of 600000 tons of mineral powder demonstration base. If you are interested, you can visit it in person. We decided to buy it after investigation.

6. There's no difference. It's the same

only the first slag powder is the name of the finished proct, and the second slag is the name of the raw material
there is no difference in nature between the two names
if you have any questions you don't understand, you can continue to ask me.

7. The iron ore particles in the grinding material are too large (some are more than 130 mm), which not only increases the vibration of the mill, but also makes the tension force fluctuate greatly

8. The scale of the proct should be related to the speed of the separator. The higher the speed is, the larger the scale is. It is also related to the grinding pressure. The grinding pressure mainly comes from the hydraulic tension device. The tension pressure is large, that is, the grinding pressure is large, the grinding effect is strong, and the output is high; On the contrary, the yield is low. But the grinding pressure should not be too large, otherwise it will increase the load of the main motor, increase the reactive power, and increase the vibration caused by the fluctuation of the material layer in the grinding. Therefore, the grinding pressure must be well controlled in proction
as for air volume and pressure difference between inlet and outlet, the relationship between air volume and proct fineness is not very big.

9. According to the operation parameters of the central control system, the vibration of the mill fluctuates continuously at a high level. This kind of vibration is different from the small amplitude vibration in normal operation, and also different from the sudden vibration caused by the iron parts entering the grinding chamber (there is a very high peak value in an instant). It is a continuous vibration on the amplitude of 1-2 mm / s higher than the normal vibration value
(2) the differential pressure of the mill decreases, the load of the separator decreases, the outlet temperature of the mill increases, the three air lock valves or the rotary feeder trips, and the vibration of the mill fluctuates at a higher level
treatment measures for the above two cases: immediately clean up the blockage of the inlet mill
(3) the blanking chute on the upper part of the three air lock valves is blocked. There are many rainy seasons. When the material is wet, it is easy for the material to bond at the chute of the three air lock valves, resulting in the blocking of the upper chute of the three air lock valves. In serious cases, it will cause shutdown
treatment measures: an air gun is installed at the three-way valve chute, and hot air is introced from the hot air pipe of kiln tail gas to the three-way valve lock chute to preheat and dry the materials. In addition, the post should strengthen the inspection, and hit the three air lock valve blanking chute with hammer every other period of time to prevent the materials from hanging on the wall in the pipeline
(4) the valve plate of the three-way air lock valve is jammed. The material sticking of the three-way air lock valve plate is e to the excessive clearance between the valve plate and the side wall of the three-way air lock valve, which makes indivial lumps stuck between the valve plate and the side wall
treatment measures: baffle plates are welded on both sides of the three-way valve plate, and few lumps are stuck between the three-way valve and the wall plate, resulting in material blocking at the rotary feeder
(5) sticking of rotary feeder. When the feed material is wet, it is easy for the material to bond in the rotary feeder, which leads to the material blocking at the rotary feeder
treatment measures: RM vertical mill www.sbmlimoji.net The blade of rotary feeder is designed to be hollow, and hot air is introced from the hot air pipe of kiln exhaust gas. The wet material near the blade surface is preheated and dried, which greatly reces the sticking phenomenon
(6) the rotary feeder is jammed. Just like the valve plate of the three-way air lock valve, the clearance between the blade and the side wall of the rotary feeder is too large, which makes indivial lumps stuck between the blade and the side wall
treatment measures: frequently check the clearance between the blade and the side wall of the rotary feeder. Once the wear is serious and the clearance is too large, repair welding should be carried out in time to ensure that the blade and the side wall of the rotary feeder are not subject to friction, so as to rece the sticking phenomenon.