Hongxing Machine Talks about Mine Production Capacity
What is the mine production capacity? Production capacity (also known as the production scale) of mining enterprises refers to the amount of ores can be produced per unit time by mining enterprise in normal production period. It is also commonly called the annual output of mining enterprises.
The annual output of mining enterprises is one of the main technical and economic indicators, it decides the mining enterprises’ construction quantities, main production types of equipment, sizes and types of buildings, scale and staff of auxiliary workshop and mineral smelting workshop, etc., thus affecting capital construction investment and investment efficiency, enterprise product cost and production efficiency.
The principles and influencing factors that determine the production capacity:
1. The principle that determines mine production capacity
(1) matching principle: mine production capacity, service life and reserves scale must be matched with each other.
(2) policy principles: it must conform to the state's policies, comply with the national and regional overall development plannings, conform to the social and economic sustainable development and ecological environment protection requirements.
(3) market principles: it must conform to the national economic and social needs, and the products have reliable market.
(4) technology principles: production capacity must be combined with the existing technology; it must be able to achieve and embody the advanced nature of technology under the condition of existing technology.
(5) economic principles: economic and reasonable, can obtain good economic benefit and social benefit.
2.Main factors that influences the production capacity:
(1) market demand factors: the national economic and social needs, product market scope, capacity and sales conditions, domestic and foreign market conditions, etc.
(2) deposit geology and mining technical conditions of ore: these conditions determine the mining method and production capacity.
(3) deposit exploration degree and reserves of ore: they determine the production capacity of mining enterprises; mining production is based on reliable geological exploration data and enough resources reserves.
(4) technology and equipment level: we must fully consider technological progress factor; in the case of other conditions basically same, different techniques can get different sizes. At the same time, we must consider other production conditions including the enterprise quality and the applicabilities of scale, technology and equipment.
(5) the external construction conditions: including material supply, power supply, water supply, transportation and the ecological environment capacity.
Original link: http://www.best-crushers.com/n261.htm
The Five Advantages of High Pressure Grinding Mill
The high pressure grinding mill is a new type of efficient milling equipment developped by laminating crushing mechanism; it is typical grinding equipment used in nonferrous mines currently in the world; it is recognized as advanced crushing grinding equipment and be quickly promoted. This article will introduce the five advantages of high pressure grinding mill.
1) Per unit of grinding energy consumption is low and production efficiency is high
High pressure grinding mill makes full use of laminating crushing mechanism, so energy utilization rate is very high; comparing with conventional extrusion type super fine crusher and grinding mill, its crushing probability and grinding properties are greatly improved, and grinding energy consumption is significantly reduced.
2)It can handle materials that with high moisture content
For high pressure grinding mill , the moisture of raw materials should be less than 90%, so that it is better to form good authigenic roller fabric pad, and also improve the working life of squeezing roller.
3) It can improve the follow-up homework grade and recovery rate of products
In mineral processing, high pressure effects can make the mineral ore be crushed along interface according to the composition properties differences so that improve the dissociation degree of minerals. In seepage homework, cracks and crevices in particle surface and inside can make percolate seep into inner, so as to improve the product grade and recovery rate of mineral products.
4) Small footprint, saving construction investment.
High pressure grinding machine has compact structure, light weight, small appearance size and small installation footprint. Due to grinding effect mainly occurs in the pressure between two rollers, and the extrusion pressure is mainly supported by frame, the foundation only get small load and save a lot of infrastructure investment comparing with other grinding machine.
5) Good production environment
Laminating crushing mechanism asks materials to be sealed in a confined space fromed by roll and feeding devices, and broken by static pressure, which generally won’t generate impact and material splashing, so the equipment vibration and noise are low, improving the working environment of workers.
Original link: http://www.best-crushers.com/n263.htm
Raw Material Mill
raw material mill-china cement mill price-crushing mill
Raw material mill uses a large cap, that is, the end caps and hollow shaft are formed into a whole casting. The large end cap and discharge system adopt unique streamlined design, reducing the ventilation resistance, improving the effective volume and increasing the mill output. The structure of the raw material mill is a single-chamber. For different stages of the grinding, it adapts the different lined plate, improving the grinding efficiency greatly.The products are mainly used to grind raw materials for cement plant , metallurgy, chemical, electric power and other industrial and mining enterprises, and also applied to grinding various ores and other grind-able materials. It can carry out dry and wet production as well as simultaneous process of grinding and drying. Moreover, it uses open-circuit grinding, and the loop circuit grinding.
The raw material mill usually adopts the edge driving way. The materials come into the first stage, and are affected by centrifugal force. Then the materials will be crushed. And the process repeats until the fineness are qualified.
Original link: http://www.hx-mill.com/cement-mill/raw-material-mill.html
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