Development direction of cone crusher
(1) hydraulic system, hydraulic protection and hydraulic regulating discharge opening;
Improvement of cone crusher
Cone Crusher has over 20 years of production in our country's history. In order to improve the productive capacity and operation of medium and fine crushing cone Crusher reliability in recent years, according to production practices of its argument, structures had a greater improvement. Eliminates low spring pressure of the old series, was badly damaged and a series of mechanical problems. Crusher is more complete, and production capacity increased 20-30% of the Crusher.
Physical principle of crushed ore crushing machine
Material of the grinding process is a very complex process of size reduced, involving many factors and variables cannot be estimated. For example: the strength of the material, shape, size, hardness, toughness, moisture, density and uniformity, as well as external conditions-force method, type of stress, the stress intensity, speed, particle group crushing process of instantaneous stresses interaction force and its distribution. Strength, for example, in respect of the same kinds of ore, the difference is very obvious, even very wide. Strength depends primarily on the material size of cohesion. Cohesion is generally divided into two kinds: the first cohesion role inside the crystals of materials, that is, between the Crystal particle and the other cohesion between Crystal and crystal. Both cohesion of physical properties of the same, but is many times larger in value than the latter. Because of the complexity of crushing process still cannot be arrive at a unified, seamless, complete mathematical theory to describe the change.
Superfine slag of blast furnace water quenching, application of Superfine cement
Blast furnace slag is a kind of industrial waste, after high temperature sintering with high activity, currently used as cement admixture. With high-strength concrete (C80) increases in consumption, useful application of blast furnace slag powder in place of Silica fume. Study results show that adding 30% after modified slag concrete 28D strength of reach and exceed no slag concrete, early strength low. Sand ordinary Silicon mineral raw materials, after grinding down to the surface area over 4000cra2/g, with higher activity. Same as the blast furnace slag, Super of Xihe River sand after the joining of high strength concrete in improving the strength of concrete at the same time, reduces the heat of hydration, improves the liquidity of pump concrete. Superfine cement excellent reinforcement and liquidity, such as the reinforcement of cracks in the dam.
Jaw Crusher nesting population determine the minimum width
Discharge gate size the width of a direct impact on productivity, and power consumption of the crusher wear of broken plate.
Selection of crushers hammer and terms of use
Hammer is a hammer crusher's main working parts. Hammer weight, shape and materials have a great impact on the productive capacity of the Crusher.
Rolling stone installation methods and considerations
Installation of roller type crushed stone base is cast iron frame, but there are also made of cast or rolled steel welded frame, due to the strength and stiffness of the frame requirements when installing base level should be maintained, and shall not use hammer hammering base. Support generally use rolling stone crusher rollers of train axle box bearing, so the installation, open a metres above sea level, on the in the axle box 30~45du inclined to install movable cover, so that when replacing the bearings easy. When installing the roller, carefully aligning centers, and as dynamic balance test, or roll in operation will "bounce", and soon the entire machine damage. Toothed rollers there are three: first with a hard carbon steel forged or metal tooth inlay and fixed on the rollers, such as fasten with a wedge, the COGS are unreliable, repair and demolition are very difficult.
Grinding of MICA application of ultrafine grinding
MICA is an important non-metallic minerals, with a wide range of uses in industry. It is the alkali metal and metal water cut aluminum silicates of Kiss soil, chemical structural formula is: KAl2[AlSi30lo] (oH) 2, mica is a layered silicate mineral, and a good split, along the cleavage surface peeled into very thin slices. Muscovite MICA itself in addition to having excellent characteristics, it also has good sliding properties, coverage, such as adhesion characteristics. MICA crushed to what extent, flake, excellent flexibility, toughness. Superfine Muscovite luxury ideal filler for paints, coatings, cosmetics. More fine MICA powder, RADIUS-thickness ratio of the larger, stronger as a filling material their enhancement. As we all know maximum energy consumption, the least efficient at smashing jobs is concentrator unit process, enter the ultrafine grinding when grinding range, their energy consumption more efficient, less efficient. Therefore, how to improve grinding efficiency, improve grinding means more and more attention, I used in the grinding process of grinding AIDS and have access to good effect, has practical significance.
Hammer crusher drive shaft, hammer description and performance analysis of hammer mill
Hammer Crusher drive shaft is the mainstay of hammer crusher, commonly known as the principal axis, rotation of the shaft does not stop, and top it with some heavier components, such as flywheels, hammer, and so on, so load on the drive shaft is large. So the hammer mill to elect 40th steel drive shaft material. In the rural areas at present steel, it is hard to find, steel, he can be used instead. Smooth when processing in the crusher drive shaft, shaft surface must not be allowed a rough feeling. Driven shaft spinning at brought to contact their parts on top of a lot of wear and tear. When open seating on the shaft should be in strict accordance with the size, processing should be special care. In order to better fixed disks (partitions) and position of the sleeve on the shaft, at the outer ends of crushing equipment drive shaft that is the furthest two divisions outside of inverse Shun threads in two different directions, processing should be picking up on this.