A reasonable and efficient machine sand production line
The equipment of machine-made sand production line mainly includes crusher, sand making machine, vibrating feeder, vibrating screen or roller screen, sand washing machine, fine sand recovery machine, belt conveyor, filter press and other equipment. The design of a reasonable and efficient machine-made sand production line is not only conducive to the smooth operation of equipment, but also conducive to saving resources and reducing costs. This article shares with you 8 design principles for creating a reasonable and efficient machine sand production line.
1. Determine the reasonable rough break location
Combined with the quality of the existing mines or newly purchased mines of the enterprise, it is not only necessary to consider the long-term planning of mining life, but also to consider the sand and stone plant layout near the quarry, in order to reduce the transportation distance of raw materials. When the quarry and the main user are far apart, it is appropriate to arrange the rough break in the quarry. The intermediate material after rough breaking is sent to the main factory through the conveying equipment for further processing and manufacturing.
2. Site selection of sand and stone factory
(1) The site must avoid the blasting danger zone, the safety distance should meet the provisions of the relevant specifications, the distance from the blasting point should be more than 200m.
(2) The site should be close to existing transportation roads, water sources and power sources.
(3) The site should be far away from towns or residential areas. If it must be installed in a town or residential area, it should be placed on the downwind side of the dominant wind direction, and the necessary protective distance should be maintained.
3. General graphic design
(1) To meet the process, transportation, fire prevention, construction and other relevant standards or regulations.
(2) On the premise of meeting the technological requirements. The general layout should be as compact as possible, save land use, and leave room for equipment operation and maintenance.
(3) Make full use of the existing terrain for vertical design, in order to reduce the amount of earthwork, so that the broken material can flow or flow.
(4) The rough break location should be close to the incoming direction of the material yard, and the finished product yard should be close to the transport road.
(5) Important workshops such as crushing, screening and sand making should be avoided in karst caves, landslides, debris flows and fill sections. If necessary, adequate technical demonstration should be made and reliable treatment measures should be taken.
4. Electrical automation
Electrical automation design should adopt advanced, reliable, high automation level of DCS or PLC control system. In order to achieve high efficiency, energy saving, stable production, optimization control and other purposes. And as far as possible to reduce the number of operating positions, reduce production costs.
5. Building structure
Under the premise of satisfying the production requirements, the production equipment should be arranged in the open air as far as possible to save the cost of civil engineering to the greatest extent. Building design should strictly comply with the current national relevant building design codes and standards, pay attention to the workshop ventilation, heat dissipation, sound insulation and shock absorption, take fire, explosion proof, waterproof, moisture-proof and other technical measures.
6. Water supply, drainage and heating and ventilation
(1) The water of aggregate production line mainly considers spray dust removal water, sand and stone washing water, domestic water, fire water and other aspects. Drainage system using rainwater and production and domestic wastewater split drainage system.
(2) In the heating area stipulated by the state, the design should consider centralized heating.
(3) The design capacity of compressed air station not only considers the total gas consumption of all gas points in the whole plant. But also considers pipeline leakage and safety factor (1.2-1.3).
7. Mining
In the aspect of mining, through the analysis of mine exploration data, according to the situation of ore body. Formulate mine development and utilization plan, rational utilization of mine resources, considering the restoration of farmland to forest. Avoid adverse geological disasters, development and utilization, ecological protection, resource saving, environmental friendly.
8. Production process
Production process design has a lot of people think is pendulum building blocks, this is a simple understanding. Process design must first determine the scale of production, process balance calculation, reasonable determination of process equipment capacity, operation rate; Carry out material balance calculation, reasonably determine the storage mode and storage period of various materials; According to the characteristics of dust in the production process, the dust removal scheme is determined. The air volume is calculated, and the dust collector is selected reasonably.
Summary
Analyze the characteristics of soil content and hardness of the ore. According to the characteristics of the region where the enterprise is located, through the scheme comparison. Reasonable selection of soil removal, crushing, screening, sand making, dust removal, transportation and other equipment, process design to balance the power. Water and gas of the whole plant, using the system theory. So that the performance matching of each link of the mechanical sand production line can reach the best. Make the whole production line high quality and efficient operation.
