Sand filling and drying machine

1. What are the differences among the stone washing machine, ore washing machine, washing machine and sand washing machine of Limai machinery? The spiral ore washing machine relies on the principle that the solid particles are different in size and specific gravity, so the settling speed in the liquid is different. The fine ore particles float in the water and overflow, and the coarse ore particles sink at the bottom of the tank. Cylinder stone washer is mainly used for desliming of artificial aggregate less than 80mm. It has the advantages of large feed particle size and low mud content of aggregate after washing. The wheel bucket sand washer has the advantages of high cleaning degree, reasonable structure, large capacity, low power consumption, less sand loss in the sand washing process, especially the transmission part of the sand washer is isolated from water and sand, so the failure rate is very low.

2. Main uses of sand dryer:
sand dryer is mainly used for drying granular materials within a certain humidity range, such as yellow sand used in dry mortar instry and molding sand of various specifications used in foundry instry. Blast furnace slag used in building materials and cement instry. Small particle size clay is used in chemical instry for small particle materials that can't bear chemical change and are not afraid of high temperature and st. According to the requirements of different instries on the final moisture content of dried materials, the moisture content of dried materials can reach below 0.5%. Sand dryer can dry river sand, dry mixed mortar, yellow sand, slag of cement plant, clay, coal gangue, mixture, fly ash, gypsum, iron powder and other raw materials. It is widely used in building materials, chemical instry, casting and other instries.

3. Mining equipment is mainly used to crush large raw materials into 1-5mm particles, and sand washing machine is mainly used to clean impurities in crushed raw materials
in short, sand making machine is crushing equipment and sand washing machine is cleaning equipment.

4. 1. Different structure
tailings dry drainage machine is composed of fine sand recovery machine and tailings dry drainage system, and its function is much more powerful than fine sand recovery machine
2. The working principle is different
the tailings dry discharge machine is that the tailings are evenly fed into the inlet of the screen by the feeding box (or cyclone). First, about 1 / 3 of the water is removed at the place where the water discharge screen plate is installed at 450 degrees to the horizontal. After entering the joint of the plane screen plate and the inclined screen plate, the material accumulates, and the slime particles settle by gravity, forming a thinner filter layer, The filter layer prevents the other particles from passing through the screen, making the filter layer graally thicker. The water that can not pass through the screen forms a pool on the upper part of the filter layer. Because the filter layer here is thin, the water graally goes off under strong movement. Due to the vibration state of high frequency and low amplitude, the tailing that forms the filter layer vibrates more and more densely. At the discharge port, the material forms a filter cake shape, and part of the moisture in the tailing is removed from the screen surface, Due to the negative inclination of the screen surface, the water will not overflow from the discharge port, and the surface water will flow to the joint pool
the fine sand recovery machine is used to transport the slurry sand water mixture to the mud sand high-pressure separator, and the centrifugally graded concentrated tail sand is provided to the dewatering screen through the sand settling nozzle. After dewatering by the dewatering screen, the tail sand and water are effectively separated, and a small amount of tail sand and mud are returned to the cleaning tank through the return tank. When the liquid level of the cleaning tank is too high, it is discharged through the outlet. The weight concentration of recovered material is 70% - 85%. The fineness molus can be adjusted by changing the pump speed, changing the mortar concentration, adjusting the overflow water and replacing the mortar nozzle. So as to complete the three functions of cleaning, dehydration and classification
3. Different characteristics and advantages
advantages of fine sand recovery machine
1. In the traditional wet process of artificial sand, the spiral sand washing machine is used for the mud washing and dewatering of artificial sand, and the loss of fine sand in artificial sand can hardly be controlled. The fine sand recovery machine can effectively rece the loss of fine sand within 5% - 10%, and solve the problems of high fineness molus and low stone powder content in the artificial aggregate processing system
2. Polyurethane screen used in vibrating screen has longer service life than other types of screen, and will not block holes
3. Fine particles are fully recovered, which reces the workload of the sedimentation tank and the cleaning cost of the sedimentation tank
4. The runner is lined with polyurethane, which improves the service life of the whole device, and can successfully complete the slurry concentration, liquid clarification and other work
5. 85% of the total amount of fine particles can be recovered, which has incomparable technical and managerial advantages compared with other equipment
6. It reces the stacking time of fine materials and can be transported directly to supply the market
7. Different solutions can be designed according to different requirements of users
in addition to the advantages of the fine sand recovery machine, the tailings dry drainage machine also has the following characteristics
1. It has high working frequency, high vibration intensity, low moisture content of procts on the screen, and high unit treatment capacity, which can obtain high solid recovery rate when used for tailings dewatering
2. The power source is vibration motor, without bearing, coupling and other vulnerable parts, with simple structure, convenient installation and maintenance, low maintenance cost, and can work continuously for 24 hours
3. The pre dewatering screen plate is installed at a negative angle, and the screen surface is installed at a 45 degree angle with the horizontal, so as to increase the dewatering area and promote the dehydration of materials to form a filter layer as soon as possible
4. In order to adapt to the different properties of tailings, the vibration amplitude of dry tailing machine can be adjusted, so as to meet the best dehydration effect of different properties of tailings and various process requirements
5. The connection between the side plate and the cross beam, the motor base and the reinforcing plate adopts the torsional shear type high-strength bolts, and there is no weld, so as to avoid the side plate cracking caused by the welding stress
6. The screen surface is made of imported polyurethane with long service life
7. Rubber spring is used to rece vibration, with low noise and good vibration rection effect, so as to minimize the dynamic load of the screen machine on the foundation
8. The finite element structural analysis software is used to ensure that the strength, stiffness and stress of the screen frame are reasonable, and the weight is the lightest and the energy consumption is the lowest.

6. The moisture content of iron ore can reach below 8% after pressure filtration, that is to say, the dry filter cake contains 8% water. This kind of filter cake looks dry on the outside, but after being placed, the internal water will graally gather and seep out, which is why it looks dry and water will come out after being placed

8. Dry sand magnetic separator is suitable for dry climate, less water area, dry sand magnetic separator development prospect should be good, because dry sand magnetic separator work without water, this is a big advantage for the increasingly tense water resources, secondly, its operation is relatively simple, specific you can search Zhao Shengting on the Internet