Jaw Crusher Working Principle:
Moving the top jaw to fly directly in the eccentric shaft, as the connecting rod-crank linkage, by the eccentricity of the eccentric shaft direct-drive, moving the bottom jaw thrust hinge plate attached to the rack after the support wall. When the eccentric shaft rotates, moving the jaw on the trajectories of the points is the point from the circumference of the hoisting line (equal to the radius of eccentricity), and gradually down into the oval, the more downward the Department, more oval-shaped side, until the bottom plate with the thrust connection points for the arc-line trajectory. As a result of this mechanical action of the jaw on the trajectories of the points is rather complicated, it is referred to as the complexity of Swing Jaw Crusher.
Tilting complex jaw crusher compared with the simple pendulum, and its advantages are: the quality of lighter, smaller component, more compact structure, the degree of crushing cavity is full of good material loaded by the uniform block broken lower jaw to move Mandatory introduction of product discharge, the higher productivity than before with the simple specifications Jaw Crusher 20-30% higher productivity; materials block the lower jaw moving up and down more rolling movement, was easily the shape of the cube unloading, a decrease of products as simple as tilting the sheet components, better product quality.
Archive for May, 2009
Jaw Crusher Working Principle
Jaw Crusher features and types of work
Jaw Crusher features and types of work:
Jaw Crusher in the mine, building materials and infrastructure sector for the rough and broken in the broken machine. In accordance with the width of entrance and exit to the size, divided into large, medium and small three, than the width of the entrance and exit for the mainframe 600MM, width of entrance and exit to the 300-600MM in the medium-sized machine, I feed less than the width of the 300MM for the minicomputer.
Jaw Crusher is the work of two jaw plates, one fixed jaw plate (set jaw), vertical (or the top slightly extraversion) fixed in the body before the wall, and the other activities of the jaw plate (moving jaw), location tilt, fixed jaw plate and the formation of large cavities under the small broken (working space). The activities of the jaw plate at a fixed jaw plate so cyclical reciprocating motion, sometimes separately, sometimes near. Separately, the material entering the crushing chamber, finished unloading from the bottom; closer to the jaw plate mounted between the two materials by extruding, splitting the role of bending and breaking.
Jaw Crusher jaw plate in accordance with the activities of different swing can be divided into simple Swing Jaw Crusher (Jane before jaw crusher). The complexity of Swing Jaw Crusher (Jaw Breakers) and integrated Swing Jaw Crusher three.
Jaw Crusher Application
Jaw Crusher is mainly used for various ore and the middle-size chunk of material broken. Jaw crusher (broken jaw) is widely used in mining, smelting, building materials, roads, railways, water conservancy and chemical industry. Materials to be broken for the maximum compressive strength 320Mpa.
Classification Of Mining Crushers
According to the role of broken power crusher can be roughly divided into two categories: (1) crusher; (2) mill. Crusher generally larger block of material, products, coarse grain size, usually greater than 8 mm. Its structure is characterized by broken pieces of a certain gap between, do not touch each other. Crusher broken machines can be divided into coarse, medium and minor broken machine. Grinding machines are generally handled by smaller materials, product particle size is fine, up to 0.074 millimeters, even more detailed. Structural characteristics of its components is broken (or the media) contact with each other, the media used is steel ball, steel bars, such as gravel or mineral block. However, some machinery is both crushing and grinding role, such as from the mill. ∮ 5. 5 × 1. 8 meters from the ore processing mill size limit of up to 350-400 mm, the product fineness of -200 up to about 40% head.
Under the broken ways the characteristics of mechanical structure (the principle of action) to the division, in general, divided into six categories.
(1) jaw crusher (Tiger I). Is broken by the movable plate E to the fixed pressure periodically E-board, will be caught in the crushing of the ore block.
(2) cone crusher. Mine is both within and outside the block between the two cone, outer cone fixed with eccentric cone for swing, which will be caught in the crushing of the ore block or broken.
(3) Roll Crushers. Ore blocks in the two opposite rotating roller between the yen, the main subject for the crushing, but also with the role of grinding peel, roll surface profile was also the role of cleavage broken.
(4) the impact crusher. Ore block by rapid rotation of the impact of the role of moving parts have been shattered. Falls into this category can be divided into: hammer broken machine; cage crusher; counterattack crusher.
(5) mill. Ore in the cylinder by rotating grinding media (steel balls, steel, gravel or mineral block) the impact and abrasive was crushed.
(6) other types of broken grinding machine.
A roller mill: by rotating roller crushed material.
B, plate mill: the use of vertical or horizontal axis of the disk rotation axis as the broken parts.
C, centrifugal mill. The use of high-speed rotating components and media production to complete the production of centrifugal force, the role of fragmentation.
D, vibration mill. The use of high frequency rotor vibration, so that media and materials to complete each other carom breaking role.
Various types of crushers have different specifications, the use of different. At present, the elected multi-purpose plant rough broken jaw crusher or cone crusher cycle; in broken standard type cone crusher; chronology using short head cone crusher type. Rod mill with coarse grinding, fine grinding by ball mill.
Performance and use of gravel:
1.sand making machine
Main Features: 1)sand making machine is a new development in the nineties, fine stone equipment, is also widely used in the world to replace broken cone machine, on the roller machine, ball mill model. 2) the structure of novel, unique, smooth operation. 3)sand making machine small energy consumption, high output, than broken. 4) Equipment small, simple, convenient installation and maintenance. 5)sand making machine with plastic features, product was cubic-shaped, large packing density. 6) the production process, the stone can be formed to protect the bottom of the fuselage without wear and tear, durable. 7)sand making machine a small number of easy to wear pieces of hardware with special wear-resistant material made of small size, light weight, ease of replacement parts.
2. Jaw Crusher
Have broken than large, uniform product size, simple structure, reliable operation, maintenance is simple, characterized by economic and other operating expenses. The jaw crusher series widely used in mining, smelting, building materials, roads, railways, water conservancy and chemical industry and many other departments, non-breaking strength of more than 320 different kinds of materials MPa.
Breakers back function to deal with side length of 100 ~ 500 mm the following materials, the compressive strength of up to 350 MPa, with more than broken, and broken particles after the materials were the advantages of the cube. Counterattack crusher for crushing of hard materials, such as broken limestone cement plant with production capacity, and the expected advantages of small size.
3. Roll Crushers
For beneficiation, chemical, cement, building materials, such as the industrial sector in the chronology of various middle-breaking and the hardness of the ore and rock the following purposes.
4. Composite Crusher
Applicable to building materials, mining, metallurgy, chemical industry broken limestone, clinker, coal and other minerals, the compressive strength of not more than 140 MPa not more than 15% humidity. Red card composite crusher features: large capacity; broken ratio, low energy consumption; sealing well, smooth operation; easy maintenance.
5. Hammer crusher
Applicable to a variety of brittle materials broken mineral. Material to be broken coal, salt, white-Asian, gypsum, alum, brick, tile, limestone and so on. Compressive strength of the materials is not more than 100 MPa, humidity is not more than 15%.
Ring hammer crusher,Hammer Crusher
Ring hammer crusher main purposes:
This series of ring hammer crusher for crushing all kinds of brittle materials, such as coal, coal Chin, coke, slag, shale, limestone, such as osteoporosis. Materials does not exceed the compressive strength of 10MPa, the surface water not more than 8%.
Election winds hammer crusher used in construction materials, brick, coal, metallurgy, mining, power, light industry and other industrial sectors, for crushing coal, shale, coal, carbon, lime, cementå°æ–™, Penghu soil and Run hard-to-brittle materials.
Described above, several sand and gravel equipment, sand production line in the system and the stone crusher production line equipment is essential.
Jaw crusher for cement, coal, power generation and building materials to meet the broken medium hardness and brittleness of materials, such as limestone, coal and so on. Maximum compressive strength of not more than 1500kg/cm2.
Impact Crusher,Stone Crusher
Impact Crusher is to use high-speed impact hammer plate and back plate of the rebound effect, so that materials and broken by repeated mechanical shocks. Hammer solid plate installed in the high-speed rotation of the rotor, and along the crushing chamber by a number of pieces of different angles back panel layout.
Materials into the role of board when hammer by the board before the first impact hammer and broken the first time, and at the same time kinetic energy, high-speed into the back plate. Back plate materials and broken again after the collision, the hammer bounced back to the role of the district board to reconsider the impact hammer by the board. So repeatedly until they were broken into and the required size from the plane. And the hammer crusher compared to counter-attack crusher greater than broken, and can make better use of the entire rotor high-speed impact energy. However, due to the wear plate can easily hammer, it shattered in the application of hard materials is also limited, often used to rough broken, or the chronology of broken limestone, coal, calcium carbide, quartz, dolomite, sulfide ore, gypsum and chemical raw materials in the following hard-brittle materials.