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    Sand Maker

    Sand making machine, also known as vertical shaft impact crusher, is suitable for crushing soft or medium hard and extremely hard ore materials with hardness not higher than 320Pa. The sand making machine is widely used in large, smelting, building materials, highway, railway, water conservancy And the chemical industry and many other sectors.

    Working Principle:

    The material enters the sand making machine from the feed hopper, and the material is divided into two parts through the distributor, and a part enters the impeller rotating at a high speed from the middle of the distributor, and is rapidly accelerated in the impeller, and its acceleration can reach hundreds of times of gravity acceleration. Then it is ejected from the three uniformly distributed flow channels of the impeller at a speed of 60-70 meters per second. It is first crushed with a part of the material that has been collected from the surroundings of the distributor, and then hits the material liner in the vortex branch cavity together. It is rebounded by the material lining, impacts diagonally upward on the top of the vortex cavity, and then changes its direction of movement, deflects downward movement, and the material emitted from the impeller flow channel forms a continuous material curtain. In this way, a piece of material is subjected to two or more chances of impact, friction, grinding and crushing in the vortex crushing chamber. The crushed material is discharged from the lower discharge port. During the whole crushing process, the materials are crushed by each other on their own, instead of directly contacting the metal components, they are crushed by impact and friction with the material lining, which reduces corner pollution and prolongs the mechanical wear time. The clever airflow inside the vortex cavity self-circulates, eliminating dust pollution.

    Working principle of sand making machine
    Working principle of sand making machine

    The material falls into the feed hopper, enters the high-speed rotating rotor through the center feed hole, and is fully accelerated and thrown through the launch port. First, it collides with a part of the free-falling material after rebound, and then impacts the surrounding vortex cavity together. The vortex-shaped material lining (or on the counterattack block) is first rebounded to the top of the crushing chamber, then deflects and moves downwards, collides with the material emitted from the impeller flow channel to form a continuous material curtain, and finally is discharged through the lower discharge port .

    The new type sand making machine adopts diamond-shaped combined impact block (throwing head) to replace the original integral hammer head and square combined impact block. The impact block alloy is “hard but not brittle, tough and strong”, and has good high temperature resistance. The impact block is directly forged with imported high-quality alloys, and its wear resistance and toughness are at the leading level in the country. It greatly improves the working efficiency, and the service life is 3-5 times higher than that of high-manganese steel, which improves the production output and quality.

    Internal structure of sand making machine
    Internal structure of sand making machine

    The latest 5X sand making machines have used diamond-shaped combined impact blocks. The main feature of this type of impact block is that foreign high-quality alloys are used to replace domestic traditional manganese steel and cast alloy parts, thereby greatly improving the wear resistance of the impact block. And crushing capacity of the sand making machine. The diamond-shaped impact block can be used in turn while improving its wear resistance, which not only improves the utilization rate of materials, but also effectively protects the life of the inner peripheral guard of the sand making machine. The overall service life of the sand making machine is more than five times higher than the original product. The sand making efficiency is increased by more than 30%.

    Structure:

    Sand making machine structure
    Sand making machine structure

    The sand making machine is composed of seven parts: feed hopper, distributor, vortex crushing cavity, impeller body, main shaft assembly, base, transmission device and motor.
    Feed hopper:
    The structure of the feed hopper is an inverted prism body (or cylindrical body), and the feed port is provided with a wear ring, and the incoming material from the feed equipment enters the crusher through the feed hopper.
    Feeder:
    The distributor is installed in the upper part of the vortex crushing chamber. The role of the distributor is to divide the feed from the feed hopper, so that part of the material directly enters the impeller through the central feed pipe and is gradually accelerated to a higher speed and ejected. A part of the material is bypassed into the outer side of the impeller in the vortex crushing chamber from the outside of the center feed tube, and is crushed by the high-speed material ejected from the impeller, without increasing power consumption, increasing production capacity, and improving crushing efficiency.
    Vortex crushing cavity:
    The structure of the vortex crushing chamber is an annular space composed of upper and lower cylinders. The impeller rotates at high speed in the vortex crushing chamber. The vortex crushing chamber can also hold materials to form a material lining and the process of material crushing. Occurred in the vortex crushing cavity, the lining of the vortex crushing cavity is separated by the material lining layer, so that the crushing effect is limited to the materials, and plays the role of wear-resistant self-lining. The observation hole is to observe the wear of the wear-resistant block at the launch port of the impeller flow channel and the wear of the lining plate at the top of the vortex crushing chamber. The observation hole must be sealed tightly when the crusher is working. The distributor is fixed on the upper cylindrical section of the vortex crushing chamber. The impeller rotates at high speed to generate airflow, and forms an internal self-circulation system through the distributor and the impeller in the vortex crushing chamber.
    Impeller:
    The impeller structure is a hollow cylinder made of special materials. It is installed on the upper end of the main shaft assembly. The conical sleeve and key are used to transfer the button pitch. The impeller is the key component of the hx vertical impact crusher. The material enters the center of the impeller from the center inlet pipe of the upper part of the impeller. The cloth cone in the center of the impeller distributes the material evenly to each launching flow channel of the impeller. A wear-resistant block made of special materials is installed at the exit of the launching flow channel and can be replaced. The impeller accelerates the material to a speed of 60-75m / s and ejects it
    Base:
    The vortex crushing cavity, the main shaft assembly, the motor, and the transmission device are all installed on the bottom seat, the base structure shape, the center is the quadrangular prism space, the center of the quadrangular prism space is used to install the main shaft assembly, and the discharge channels are formed on both sides. The dual motors are installed at the longitudinal ends of the base. The base can be installed on the bracket or directly on the foundation.
    Sransmission:
    The belt drive mechanism driven by a single motor or dual motors (more than 75kw, which is a double motor drive), the two motors drive two motors installed on both sides of the spindle assembly, and the two motor pulleys are connected to the spindle pulley with a belt, so that both sides of the spindle Force balance, no additional torque.
    Support:
    Depending on the working place of the crusher-open-air operation or indoor operation, it can be considered with or without support.
    Lubrication system:
    The vehicle grease is super concentrated and lubricated. The lubrication parts are the upper bearing and the lower bearing of the main shaft assembly.

    VC7 Series Sand Making Machine:

    VC7 Series Vertical Shaft Impact Crusher
    VC7 Series Vertical Shaft Impact Crusher

    Overview:

    VC7 Series Rotor Centrifugal Crushers is a new sand maker, is researched and produced by our corporation, absorbed with the advanced technology from Germany. This equipment has two types: rock-on-rock and rock-on-iron.

    Raw materials:

    Iron ore, copper ore, cement, artificial sand, fluorite, limestone, slag, etc.

    Capacity:

    60-800t/hMax feeding size:35mm-100mm

    Application:

    Engineering, highway,railway, passenger line, bridges,airport runways,municipal engineering,high-rise

    Technical Data:

    VC7 Series Sand Maker Technical Data:

    Model Rotation Speed of Impeller (r/min) Max Feed Size (mm) Throughput (t/h) (Full feeding center / center plus waterfall feeding) Motor Power (kw) Overall Dimensions (mm) Weight(motor not included) (kg)
    VC726L 1881-2499 35 60-102 90-176 110 3600*1969*2200 ≤7055
    VC726M 70-126 108-211 132
    VC726H 96-150 124-255 160
    VC730L 1630-2166 40 109-153 145-260 180 4600*2150*2480 ≤10000
    VC730M 135-200 175-340 220
    VC730H 160-243 211-410 264
    VC733L 1455-1934 55 165-248 215-415 264 5500*2563*3178 ≤14020
    VC733M 192-286 285-532 320
    VC733H 238-350 325-585 400
    VC743L 1132-1504 60 230-346 309-577 400 5850*2740*3031 ≤21040
    VC743M 246-373 335-630 440
    VC743H 281-405 366-683 500
    VC766L 1132-1504 60 362-545 486-909 2*315 5850*2740*3050 ≤21840
    VC766M 397-602 540-1016 2*355
    VC788L 517-597 65 460-692 618-1154 2*400 6000*3040*3456 ≤23220
    VC788M 560-848 761-1432 2*500
    VC799L 517-597 65 644-967 865-1615 2*560 6000*3122*3625 ≤24980
    VC799M 704-1068 960-1804 2*630

    VC7 Series Sand Maker Technical Data:

    Model Rotation Speed of Impeller (r/min) Max Feed Size (mm) Throughput (t/h) (Full feeding center / center plus waterfall feeding) Motor Power (kw) Overall Dimensions (mm) Weight(motor not included) (kg)
    VCU726L 1881-2499 55 86-143 108-211 110 3600*1969*2200 ≤6950
    VCU726M 98-176 124-253 132
    VCU726H 132-210 143-300 160
    VCU730L 1630-2166 65 150-212 162-310 180 4600*2150*2482 ≤9910
    VCU730M 186-280 203-408 220
    VCU730H 220-340 245-480 264
    VCU733L 1455-1934 80 230-338 255-497 264 5500*2563*3178 ≤13820
    VCU733M 268-398 296-562 320
    VCU733H 327-485 373-696 400
    VCU743L 1132-1504 100 305-467 362-678 400 5850*2740*3031 ≤21240
    VCU743M 335-506 379-746 440
    VCU743H 375-540 439-800 500

    Details Introduction:

    VC7 Series Rotor Centrifugal Crushers is a new sand maker, which is high-functioned equipment for making sand and shaping, is researched and produced by our corporation, absorbed with the advanced technology from Germany, and owned advanced world standards. This equipment has two types: rock-on-rock and rock-on-iron.

    The high velocity impact crushing achieved in this Series VSI improves the soundness and shape of stone, reducing product moisture and easing the screening task while producing superior products at a minimum cost. This autogenous crushing process produces the best-shaped aggregate on the market today.

    The chamber configuration of VC7 Series Vertical Shaft Impact Crusher:

    1.Rock on anvil with round rotor

    Application range: all rock types and the most abrasive materials
    Features: enclosed rotor and square anvils combine the grinding action of the rotor with the high efficiency reduction of anvils.

    2.Rock on rock with round rotor

    Application range: all rock types and the most abrasive materials
    Features: enclosed rotor and rock box configuration causes rock on rock crushing which produces the best shaped material with the lowest wear cost.

    3.Rock on anvil with open rotor

    Application range: large feed, mild to medium-abrasive materials
    Features: open rotor and rock on anvil configuration offers high tonnage of production, high reduction ratios and large feed size with equal conditions.

    Features and Benefits of VC7 Series Vertical Shaft Impact Crusher:

    1.Patented rotor

    Deep rotor offers higher throughput; and unique rotor tip enhances service rate of alloy and extends maintenance interval.

    2.Perfect interchange between ROR and ROA

    Rock on rock configuration produces the best shaped and most consistent material with the lowest wear cost, which is suitable for all rock types, especially for most abrasive materials; rock on anvil configuration offers high reduction ratios and high efficiency of sand making, which is suitable for medium abrasive materials. Unique crushing chamber structure enables to achieve a rapid interchange between rock on rock configuration (ROR) and rock on anvil (ROA).

    3.Rotor with thin oil lubrication

    Compare with the traditional rotor with greasing lubrication, the rotor being lubricated by thin oil provides a wide speed range, which can meet various requirements for crushing different materials; patented seal configuration enables free-maintenance without exchanging the wear parts such as oil seal, etc.

    4.Easy disassembly platform design

    Unique platform structure not only provides access to operators for observing the feed and maintaining the equipment, but also protects the motor against wind and rain without affecting road transportation.

    5.High automation

    Enhanced automation makes normal maintenance easy; multiple protection measures reduce the down time and extend service life.

    6.Superior particle shape

    Superior cubical shape products with low content of flat and elongated particles are a result of the high velocity impact crushing principle of VSI crusher, which is particularly suitable for aggregate shaping and manufactured sand making, for instance producing the aggregate for high way construction.

    7.Hydracascade feed technology

    Patented feed adjustment device provides an accurate control of ratio between central feeding and the cascade. Hydracascade feed technology not only improved energy availability and increased throughput, but also managed product shape and fines content via cascade feed.

    8.Super quality, high reliability

    All series crushers are equipped with specified motors with the brand of Siemens JV, main bearing can be used by the products of domestic and international famous brands such as SKF, FAG, TWB and ZWZ, etc; key components such as lubrication station and wear parts are used by the products of domestic and international famous brands.

    Working principle of VC7 Series Rotor Centrifugal Crushers:

    The materials fall into impeller with high-speed rotation vertically. On the force of high-speed centrifugal, the materials strike to the other part of material in a high speed. After mutual impacting, the materials will strike and rub between the impeller and the casing and then be discharged straight from the lower portion to form a closed multiple cycles. Final product is controlled by screening equipment to meet the requirement.

    VC7 Series Vertical Shaft Impact Crusher
    VC7 Series Vertical Shaft Impact Crusher

    Maintenance:

    ⒈ Periodically shut down and open the observation door to observe the internal wear of the impact sand making machine. The degree of wear of the central feed pipe, cone cap, impeller, lower runner lining, circumferential guard, and wear block should be replaced or repaired in time , When replacing the wear-resistant blocks, they should be replaced at the same time to ensure that the wear-resistant blocks have the same weight. It is strictly forbidden to open the observation door to observe the internal working conditions during the work of the crusher to avoid danger. It is found that the impeller body is worn and replaced in time to find a manufacturer to repair. In particular, it is strictly forbidden to make impellers without permission from the manufacturer.

    ⒉ The tension of the triangular belt of the sand making machine should be adjusted properly to ensure the uniform force of the triangular belt. When the double motor is driven, the triangular tape on both sides should be grouped and matched so that the length of each group is as consistent as possible. The energy saving and high efficiency of the sand making machine equipment;

    ⒊The sand making machine should add proper amount of grease when working to 400 hours. When working to 2000 hours, the spindle assembly should be opened to clean the bearing. If it works to 7200 hours, it must be replaced with a new one bearing.

    无码AV国产东京热AV无码
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