First, the conditions for the selection of sand and gravel aggregate plant
1. The sale of the output stone: first of all, the sales should be checked, the sales are not good, the investment is also a white investment, can not be produced, the products produced have nowhere to sell, just a pile of scrap iron. Then look at the equipment to choose a strong manufacturer, a good manufacturer will have a good service. Then select mines and rivers, handle the relevant procedures, and ensure the legality of mining. Then install test runs, recruit workers and develop regulations. Start of production.
2. Select the source of ore: choose the right ore to mine and find out the type of ore to be mined.
3. Sand and gravel production site: choose the right site, which should be closest to the quarry and easy to mine; In addition, the topography of the site should be as close as possible to the production process of the sandstone production line and maintain a natural slope as much as possible.
2. Equipment required for sand and gravel aggregate production line
A complete sand and gravel production line basically includes feeding, coarse crushing (primary crushing), fine crushing (secondary crushing), screening, conveying five stages, in the case of sand production, but also add sand making, sand washing two stages, the equipment is corresponding to each stage, and the selection of equipment and user needs, raw material characteristics have a certain relationship, the following is a specific analysis.
1. Feeding equipment: vibrating feeder. The stone to be processed is sent to the crusher inlet in a uniform and equal amount.
2. Coarse crushing equipment: jaw crusher. In the sand and gravel production line, the jaw crusher is the first equipment for stone processing, which is characterized by large output, fast production speed and a wide range of suitable stones.
3. Medium and fine crushing equipment: cone crusher, impact crusher. The cone crusher is more suitable for hard and medium hardness stones, the crushed finished product is delicate (can be used to make sand), and the dust pollution at the production site is small, while the impact crusher is more suitable for medium and soft stone processing, and it is convenient to adjust the particle size of the finished product.
4. Sand making equipment: sand making machine. The product is cubic, with good particle shape, gradation and adjustable fineness modulus, which is especially suitable for artificial sand making and stone shaping.
5. Screening equipment: vibrating screen. The stone is screened and the stone specifications with different particle sizes are sorted.
6. Conveying equipment: conveyor belt. The bridge between the equipment is an auxiliary equipment.
To ensure the normal operation of the sand and gravel production line, the various equipment of the production line should work and coordinate with each other. Therefore, a reasonable production line configuration can ensure the high-speed operation of the production line. Reasonable allocation needs to take into account the efficiency of each machine.
Third, the selection of strength manufacturers is the top priority in the construction of sand and gravel plants
1. The production strength of the manufacturer: first of all, we must inspect the manufacturer, see the strength, reputation and scale of the manufacturer, and visit the manufacturer's production workshop and talk with the manufacturer's technical personnel frequently, talk about some product technical problems, and customers should understand and learn some technical knowledge before the factory inspection;
2. Product quality of manufacturers: secondly, it depends on the product quality, technical level and maturity of the manufacturer;
3. Manufacturer's equipment site: Once again, we must inspect the manufacturer's customer production site, and the user site is the most convincing.
4. Equipment after-sales service: The last point is about the after-sales service of sand and gravel production line equipment. To have a good reputation in the industry, after-sales service should be timely, especially for sand and gravel production line manufacturers, if in the peak season of production, the production line equipment in the production of problems can not be solved immediately, will cause a very large loss to the production line manufacturers. Therefore, the choice of manufacturers should follow the above principles for flexible choice.
4. Precautions
Note that the output of each host matches to avoid blocking and overflowing.
Pay attention to adjust the speed of the belt conveyor to avoid overflow.
Using dust removal and noise reduction equipment, the configuration of the sand and gravel production line should meet the national requirements for environmental and noise pollution. It is not advisable to derive economic benefits from environmental destruction.
Pay attention to the daily maintenance of each host so as not to affect the overall production capacity of the sand and gravel production line.