Sand crusher, also known as energy-saving composite fine crusher, the machine combines the advantages of hammer crusher, impact crusher, impact crusher, in the mechanism of the sand market gradually replace the original vertical impact crusher, features and advantages: the crusher adopts a large arc-shaped crushing chamber, the use of "stone" self-impact crushing principle. The crushing chamber is a screening chamber with grate slits. Very importantly, our company has invested a lot of money to develop a "once and for all" type of fine crushing hammer head, realizing the revolutionary breakthrough of "hammer crusher as jawbreaker", and completely realizing the low-cost operation of the fine crusher. Vertical impact crusher discharge can not be adjusted; equipment spindle speed is high, high maintenance costs, usually once the problem can only return to the factory for maintenance; discharge powder content is large; low output yield, only 30%-40% of the amount of throughput; high power consumption, double motor drive, power consumption is more than twice the fine crusher.VI Vertical Impact Crusher, commonly known as sand making machine. VI Vertical Impact Crusher, commonly known as sand making machine, is the crystallization of the wisdom and correct decision-making of our company's experts who have been developing mining machinery and equipment for many years, and it is a kind of high-energy and low-consumption equipment with international advanced level, and its performance plays an irreplaceable role in all kinds of ore fine crushing equipment, and it is the most effective and practical and reliable crushing machine at present. Since the production of sand making machine in 2001, our company has achieved an excellent market share in the national market, the product performance is more perfect, y trusted by customers, and won the domestic and foreign customers near and far. This product is widely used in various industries such as various ores, cement, refractory materials, alumina clinker, adamantine, glass raw materials, mechanism construction sand, stone and various metallurgical slag. The hx type vertical impact crusher consists of seven parts: feeding hopper, distributor, vortex crushing chamber, impeller body, spindle assembly, base, transmission device and motor.
1. Feed hopper
The structure of the feed hopper is an inverted prismatic body (or cylinder), with wear-resistant rings installed at the inlet, and the incoming material from the feeding equipment enters the crusher through the feed hopper.
2. Distributor
The distributor is installed in the upper part of the vortex crushing chamber. The function of the distributor is to divert the materials from the feed hopper, so that a part of the materials will be directly fed into the impeller through the center feeding tube and gradually accelerated to a higher speed and ejected out, while another part of the materials will be bypassed from the outside of the center feeding tube into the outside of the impeller in the vortex crushing chamber, and then be impacted and crushed by the high speed material ejected out from the impeller, without increasing the speed of the material. High speed material impact crushing, no increase in power consumption, increase production capacity, improve crushing efficiency.
3. Vortex crushing cavity
Vortex crushing cavity of the structure of the shape of the upper and lower two sections of the cylinder composed of the ring space, the impeller in the vortex crushing cavity, high-speed rotation, vortex crushing cavity can also be resident material, the formation of material lining, the material crushing process occurs in the vortex crushing cavity, by the material lining will be the crushing effect of the vortex crushing cavity wall separation, so that crushing is limited to the role of materials, and play a wear-resistant self-lining effect, and the crushing of materials. The material lining layer separates the crushing action from the wall of the vortex crushing chamber, so that the crushing action is limited to between the materials. The observation hole is to observe the wear of the wear-resistant block at the launching port of the impeller and the wear of the lining plate at the top of the vortex crushing chamber, and the observation hole must be sealed and closed tightly when the crusher is in operation. The distributor is fixed in the upper cylindrical section of the vortex crushing chamber. The impeller rotates at high speed to generate airflow, which forms an internal self-circulation system in the vortex crushing chamber through the distributor and impeller.
4. Impeller
Impeller structure is made of special materials, a hollow cylinder, mounted on the upper end of the spindle assembly head, with a tapered sleeve and key coupling to pass the knob distance, high-speed rotation, the impeller is the key element of the hx vertical impact crusher. The material enters into the center of the impeller from the center feeding tube of the upper impeller distributor. By the impeller center of the fabric cone will be uniform distribution of materials to the impeller's various launching runners, in the launching runners outlet, installed with special materials made of wear-resistant block, can be replaced. The impeller accelerates the material to 60-75m/s speed to be ejected out, and impacts the material lining in the vortex crushing cavity for strong self-crushing, and upper and lower runner plates are installed between the cone cap and wear-resistant block to protect the impeller from abrasion.
5. Spindle assembly
The spindle assembly is mounted on the base, which is used to transmit the power from the motor through the triangle belt and support the impeller rotary motion. The main shaft assembly consists of bearing housing, main shaft, bearings and so on.
6. Base
Vortex crushing chamber, spindle assembly, motor, transmission device are installed in the base, the shape of the base structure, the middle of the four-angled cylindrical space, the center of the four-angled cylindrical space for the installation of the spindle assembly, the two sides of the formation of the discharge channel. Double electric motors are mounted on the longitudinal ends of the base, and the base can be mounted on the bracket or directly on the foundation.
7. Transmission device
Single motor or double motor drive belt drive mechanism (75kw or above, double motor drive), double motor drive two motors were installed on both sides of the spindle assembly, the two motor pulleys are connected to the spindle pulley with a belt, so that the spindle on both sides of the force balance, do not produce additional torque.
8. Bracket
Depending on the working place of the crusher--open-air or indoor operation, you can consider configuring the bracket or not.
9. Lubrication system
Mobil automotive grease is used for centralized lubrication, the lubrication part is the upper bearing and lower bearing of the main shaft assembly, in order to make the oil injection convenient, it is led to the outside of the machine by an oil pipe, which is used for the oil pump to refuel on a regular basis. This series of sand making machine is suitable for crushing and shaping of soft or medium-hard and extremely hard materials, widely used in various ores, cement, refractory materials, bauxite clinker, adamantine, glass raw materials, mechanism construction sand, stone and various metallurgical slag, especially for silicon carbide, adamantine, sintered bauxite, American sand and other high hard, extra-hard and wear-resistant corrosive materials with a higher output efficacy than other types of crushers.
In the engineering field, it is the ideal production equipment for mechanism sand, bedding material, asphalt concrete and cement concrete aggregate.
In the mining industry, it is widely used in the pre-grinding process, which produces large quantities of pulverized ore and reduces the high-cost grinding load.
Because of the excellent low abrasion characteristics of this series of sand making machine, this equipment is also used for highly abrasive and secondary disintegration crushing production. In addition, due to zero pollution to the product, the impact crusher can be well adapted to the production of glass quartz sand and other high-purity materials. With a production capacity range of 10-500t/h, the impact crusher can meet almost any production requirements. 1. Simple and reasonable structure, self-impact crushing, ultra-low cost of use;
2. Unique bearing mounting and advanced spindle design make the machine characterized by heavy load and high speed rotation.
3. Fine crushing and coarse grinding function;
4. High reliability, strict safety guarantee device, to ensure the safety of equipment and personal;
5. Stable operation, low noise, high energy efficiency, high crushing efficiency;
6. Small influence by the moisture content of the material, the moisture content can be up to 8% or so;
7. Low loss of wearing parts, all wearing parts are used in domestic and foreign countries.
7. Low loss of wearing parts, all wearing parts are made of high-quality wear-resistant materials at home and abroad, with long service life. A small number of wear parts are made of special hard wear-resistant materials, small size, light weight, easy to replace parts.
8. Self-circulation of airflow inside the vortex chamber, small dust pollution.
9. The material self-lining inside the impeller and vortex crushing chamber greatly reduces the cost of wear parts and maintenance workload. During the production process, the stone can form a protective bottom layer, no wear and tear of the machine body, durable.
10. Various installation methods, mobile installation.
11. The product is cubic, high packing density, low iron pollution. It can be used as stone shaping machine. 1. The structure of the sand washer is simple, the impeller drive bearing device is isolated from water and water-affected materials, which greatly avoids the occurrence of bearing damage due to immersion in water, sand and pollutants.
2. The machine is used for sand and gravel quarry sand washing compared with the traditional spiral sand washer has obvious advantages as follows:
<1> the loss of medium and fine sand and stone powder is very small, the washed building sand gradation and fineness modulus to reach the national "building sand", "building pebbles, gravel" standard.
<2> The machine has almost no wearing parts except the screen.
<3> Long service life, no maintenance for a long time.
The sand washing machine (sand washing machine) adopts advanced technology, combined with the actual situation of the domestic sand and gravel industry developed high-efficiency sand washing equipment, the sand washing machine has a high washing height, reasonable structure, large output, sand loss in the process of sand washing is less, especially its transmission parts are isolated from water, sand, so the failure rate of this washing machine is much lower than the commonly used sand washing machine, it is the best choice for the upgrading of the domestic sand washing industry. Sand washing machine in the installation, adjustment and operation should pay attention to:
1, due to the bucket sand washer torsion according to large, it is recommended that the machine will be installed on a concrete foundation, the foundation is embedded weldments so that the installation of welding
connection, the foundation depth and area of the soil according to the conditions of separate calculations, it is recommended that the foundation weight is roughly three times the weight of the machine, the installation of the machine dimensions refer to the
Refer to the foundation diagram. The foundation plan of sand washing equipment will be provided by the technical department of Fangda Company.
2, double wheel sand washing machine unloading After installation in place, you should check whether the gears of the reducer should be shifted, and whether the gap between the water tank and the big wheel bucket is the same
After adjusting, the machine will be fixed and welded on the foundation.
3, the next step should be filled with lubricating oil to the drum sand washing machine, adjust the oil level, generally take the center of the shaft below 50% is appropriate.
4, double wheel sand washing machine installation and adjustment of stable, test run.
High-efficiency bucket wheel sand washing machine no-load test run should be achieved:
1) Bucket wheel sand washing machine wheel bucket continuous operation for 2 hours:
2) All the solid parts should be firm, no loosening phenomenon.
3) There is no abnormal ringing sound of the reducer and gear box of the bucket wheel sand washing machine.
High-efficiency bucket wheel sand washer load test in addition to achieving the requirements of no-load test, should also meet the following requirements:
1) Whether using a conveyor or shovel to feed directly, the material can not be a strong impact on the water tank, do not allow off-loading and stacking of materials and water tank, in order to
Free from damage to the wheel bucket and the machine body.
2) The maximum material feeding degree can not be too large, should be in line with the design