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environmental river sand stone crushing machine in ismailia

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Crushing Plant

According to the crushing force mode, the crusher machine divides into stone crushers and grinding machine. What's the difference between stone crusher and grinding mill? General speaking, the former one is used to reduce the larger slab into a smaller size, various models of crusher are designed to maximize productivity at the lowest cost. The configuration of the suited crush machine is varied with different crushing stages in the complete crushing circuit, coarse crushing, medium-sized crushing, and fine crushing. The latter one of grinding mill machines are preferred to process fine and extremely fine material, grinding mediums include steel ball, steel rod, gravel, and metal lump so on. Some equipment is capable of crushing and grinding, such as self mill. Discrimination of the working principle 1 Jaw Crusher. The movable jaw plate continually presses against the fixed die at a set time and force to squeeze the rock material caught in it. 2 Cone Crusher. The inner movable cone rotates eccentricity and bumps the outer fixed cone, thus exerting strong crushing force on the ore material. 3 Roll Crusher. The ore material is subjected to continuous crushing and impacting force between the two rollers. 4 Impact Crusher. The ore lump crushed by the impact force of rapidly rotating moving parts. 5 Ore Grinding Machine. The ore slab is crushed by the impact and grinding force of the grinding medium (steel ball, bar, gravel or lump) in the rotating cylinder. Rod mill, pan mill, ball mill, vibration mill, centrifugal mill, etc. Each kind of crusher has various models to suit different applications. Jaw crusher has the features of large crushing ratio, uniform product size, simple structure, reliable work, easy maintenance and economical operation cost. PF-I series impact crusher can crush materials with length less than 100 ~ 500 mm and its compressive strength can reach up to 350 MPA, which has the advantages of large crushing ratio. It is suitable for crushing medium hard materials, such as limestone in cement plant

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stone crusher | cone & jaw crushers machine manufacturer

1 Adjustable fine crusher The adjustable fine crusher mainly consists of a rotary part, guard plate, crushing chamber. The latest fine crusher equipped with a hydraulic device can be very convenient to maintain, save time cost. 2 Jaw crushing type Jaw crusher, is the first choice for primary crushing equipment, with large crushing ratio, uniform product size, simple structure, the relatively small volume can be installed in the tiny space, etc. Therefore, it is widely used in mines, metallurgy, construction material, water conservancy and chemical industries. Compared with cone crusher, jaw type crusher has less investment, less finished flake and lower production cost. Compared with hammer crusher, the wear resistant parts have longer service time, high production efficiency and fewer maintain fees. The common jaw crusher has single toggle type and double toggle type, the former one also called as simple swing crusher, the latter one is called as complex swing crusher. 3. Gyratory crusher The gyratory crusher is a large scale crushing machine which uses the gyratory movement of the crushing cone in the crushing cavity to extrude, squeeze and bend the materials. When the shaft sleeve rotates, the crushing cone is moving in eccentric around the center line of the machine continuously. The productivity of gyratory crusher is higher than that of jaw crusher. There are two types of discharging material and overload insurance, one is mechanical type, by adjusting the nuts on the top of the main shaft to lift up or down the crushing cone, thus change the discharge outlet width, and by cutting the safety pin on the driving pulley to stop overload. Another way is hydraulic gyratory crusher type, by changing the plunger under the hydraulic oil volume can adjust the crushing cone position, thus changing the size of the discharge port. 4 Cone crusher Cone crusher widely used in the metal and mon-metal mines, cement, sand & gravel, aggregate, quarry, metallurgy and other industries. it is suited for fine crushing all kinds of ores and rocks with hardness ≤5 ~ 16, such as iron ore, Non-ferrous metal ore, granite, limestone, quartzite, sandstone, cobblestone, etc. The working principle of cone crusher is the same as that of gyratory crusher, but it is only suitable for medium-sized crushing or fine crushing. The requirements of uniformity of particle size distribution in medium and fine crushing operations are generally higher than that in the coarse crushing operation. Therefore, a section of the parallel zone should be set at the lower part of the crushing cavity. In addition, the rotating speed of the crushing cone should be accelerated so that the material can be squeezed more than once in the parallel zone. The crushing of fine crushing operation is larger than that of coarse crushing operation, so the loose volume after crushing increases greatly. In order to prevent the crushing chamber from blocking, the total discharging cross section must be increased by increasing the diameter of the lower part of the crushing cone without increasing the discharging opening to ensure the required discharging granularity. When the Simon Spring Safety cone crusher overloads, the cone-shaped Shell forces the spring to compress and raise itself in order to enlarge the discharge port and discharge the non-broken material. The adjustment of the discharge opening is carried out by the adjusting cover, and the adjusting cover fixed with the shell can be rotated to drive the shell up or down by the thread on the outer circle, so as to change the size of the discharge opening. The safety and adjustment mode of hydraulic cone crusher is the same as that of hydraulic gyratory crusher. Maintenance of cone crusher 1, Ensure full load production, avoid too coarse product granularity. 2, Optimize the cone crusher productivity by setting reasonable crushing ratio. 3, It is necessary that equipped with an iron removal device. 4, The spring cannot be too heavy pressured, the large pressure may occur shaft broke,  light pressure may cause spring vibrating, influence the crushing efficiency

Right way. First of all, you need to know the crusher materials, the maximum feeding size, finished particle size, handling capacity, crushing environment. With detailed information, JXSC will provide the stone crusher suitable for your production needs

The humidity and hardness of different materials are different. The higher the hardness, the higher the degree of difficulty. For example, granite hardness, the jaw crusher, cone crusher, impact crusher will better. River pebble texture hard wear-resistant, roller crusher crushing effect is better. Brittle materials are more suitable for heavy hammer crushers, such as calcite

stone crusher | cone & jaw crushers machine manufacturer

2. Sorting machine We can design the crushing plant flow chart when knowing the crushing demand and determine the primary, secondary and tertiary crusher use of which type. crusher. The next step is to choose the type of device. In order to improve efficiency, the general primary crusher processing capacity will be larger than the secondary

1. Control material size The crusher has a maximum feed size. When the feed particle size is too large to the equipment caused serious damage. Whether soft or medium-hard material, both cause different damage. If some of the materials are larger than the maximum feeding size of the crusher, the crusher is easy to appear stuck cavity, blocking phenomenon, affecting the aggregate production efficiency

stone crushing plant,jaw crushers,cone crusher,hammer

Jaw crusher is a kind of stone crusher which is used widely in many industrial departments including mining, smelt metal, building materials, public road, railway, water conservation, chemical industry and so on, and it is also called rock crusher.

Taking Technology Innovation As Core Strategy, Our Has Established Beneficiation Machinery Research Institute, Crushing Machinery Research Institute, Powder Grinding Machinery Research Institute And Construction Equipment Research Institute.

drum screen - henan victory machinery co., ltd. – sand

Product introduction: overview of GS cylinder rotary screen (cylinder screen): the main structure of GS cylinder rotary screen is the screening cylinder, which is composed of several circular screens. The whole screen is inclined to the ground surface, and the outside is sealed by a sealed isolation cover to prevent environmental pollution. The screening cylinder rotates at a certain speed through the variable speed reduction system

Overview of GS cylinder rotary screen (cylinder screen): The main structure of GS cylinder rotary screen is the screening cylinder, which is composed of several circular screens. The screen is inclined to the ground plane as a whole, and the outside is sealed by a sealed isolation cover to prevent environmental pollution. The screening cylinder rotates at a certain speed through the variable speed deceleration system, the materials are separated from top to bottom through the screening cylinder, the fine materials are discharged from the lower part of the front end of the screening cylinder, and the coarse materials are discharged from the lower end of the screening cylinder. The cylinder rotary screen can be equipped with a comb type cleaning mechanism. In the screening process, the relative movement of the comb type cleaning mechanism and the screening cylinder can achieve the effect of continuous cleaning of the screen body, so that the screening cylinder is always clean, non stick, non blocking and does not affect the screening effect in the whole working process. According to different classification requirements, GS cylinder rotary screen generally has 1-4 sections from fine to coarse, and materials are screened from the first section to the last section from fine to coarse, and materials larger than the last section are discharged from the outlet. GS cylinder rotary screen in the use process, the operation is slow and uniform, the impact vibration is very small, the work is stable, its installation is simple, sometimes even does not need special foundation. It can be directly placed on the flat ground or floor and under the silo. The machine is easy to close and collect dust, with small amount of maintenance, simple maintenance and long service life. It is often used in refractory material, coal, river sand grading and sand stone grading. Performance characteristics of GS cylinder rotary screen: 1. Wide adaptability of materials: rotary screen is widely used for screening of all kinds of materials. No matter it is inferior coal, slime, soot and other materials, they are screened smoothly. 2. Simple and diverse feeding modes: the feeding port of rotary screen developed by our company can be designed according to the actual situation on site. No matter it is belt, funnel or other feeding modes, it can be smoothly fed without taking special measures. 3. High screening efficiency: the equipment can be equipped with a comb type cleaning mechanism. In the screening process, no matter how dirty and miscellaneous the materials entering the screening cylinder can be screened, thus improving the screening efficiency of the equipment. 4. Large screen weight, easy to be large-scale Under the same size, the area of the circle is larger than that of other forms, so the effective area of screening is larger, so that the material can fully contact the screen, so the screening component is larger in unit time. Because of its simple structure, convenient layout, novel and mature technology, it is easy to be large-scale. 5. Low energy consumption The power of the rotary screen motor developed by our company is small, which is one-half to one-third of the other screen types. It can handle the same amount of materials and the operation time is only one-half of the other screen types, so the energy consumption is low. 6. Good working environment The whole screening cylinder can be sealed by a sealed isolation cover, which completely eliminates the dust flying, block splashing and other phenomena during the screening cycle, and avoids the pollution to the working environment. 7. Low equipment noise In the operation of the rotary screen, because of the small rotary speed and the sealed isolation cover, the noise can not be transmitted to the outside, so as to reduce the noise of the equipment. 8. Long service life and small maintenance The rotary screen is composed of several ring-shaped screens, whose total screening area is far larger than that of other screen types. In addition, the screening efficiency is high, and the running time of the equipment is short, so the service life is long, the number of vulnerable parts is small, and the maintenance amount is small. 9. Convenient maintenance The upper cover of the equipment seal isolation can be disassembled, which will not affect the normal operation of the machine after disassembly, and make the maintenance very convenient. Main technical parameters of GS cylinder rotary screen: Rotary drum screen Note: 1. The external dimension is calculated according to the longest cylinder; 2. The processing capacity is calculated according to the maximum aperture; 3. The inclination angle and the length of each section are different depending on the material; 4. The mass shall be calculated according to the longest cylinder and the use of woven mesh; 5. The proportion of the largest material block shall not exceed 10%

drum screen - henan victory machinery co., ltd. – sand

Applicable scope of roller screen: Roller screen is suitable for screening all kinds of materials, coal, coke, lime and other wet and easy to block materials, stone yard and other industries, so it is also called mining roller screen. The products under the screen are less than 100 mm at most, 10-50 mm in the middle and less than or equal to 3 mm at most. 1. Classification of large and small stones and separation of soil and stone powder in the quarry; 2. Separation of sand and stone used in sand and stone field; 3. The coal industry is used for the separation of lump coal and pulverized coal and coal washing (a part of coal washing machinery); 4. The chemical industry and mineral processing industry are used for the classification of large and small blocks and the separation of powdery materials. Performance comparison of various sieve types: Screen type project cage roller screen plane vibrating screen cantilever vibrating screen Coal type adaptability to all kinds of coal clocks only suitable for certain moisture and impurity free coal clocks only suitable for certain moisture and impurity free coal clocks The coal feeding mode is flexible and diverse. It can be designed according to the actual situation to only adapt to the belt and funnel. The size of the coal inlet is fixed to only adapt to the belt and funnel, and the size of the coal inlet is fixed. Rotary vibration of screening mode The screening efficiency is as high as over 95%, 10% – 70%, depending on the moisture content of coal, 10% – 80%, depending on the moisture content of coal. Sieve content reaches 100% MCR, unlimited (10% – 80%) MCR, depending on the moisture content of coal (10% – 80%) MCR, depending on the moisture content of coal The blanking particle size is 6-30mm, which can be adjusted at will. Because the screen is fixed, the blanking particle size can not be adjusted at will, and the blanking particle size guarantee degree is not good, and the blanking particle size exceeds the standard. The large-scale design is flexible, the size limit is smaller than other sieve types, and it is easy to be large-scale. The large-scale is limited by size, screening efficiency and cantilever materials. Energy consumption is small, which is 50% of that of other sieve types. Noise with sealed isolation cover, low noise, high noise Short equipment life Is the cleaning mechanism available? Good working environment (with sealed isolation hood, no pulverized coal dust and coal block splashing) poor (without sealed isolation hood, with pulverized coal dust and coal block splashing) poor (without sealed isolation hood, with pulverized coal dust and coal block splashing) Low labor intensity (no need to clean coal and floor area regularly) large (long equipment operation time, regular cleaning and floor area coal) large (long equipment operation time, regular cleaning and floor area coal) The amount of maintenance and vulnerable parts is small, and the vulnerable parts only need to replace the bearings. The maintenance amount is large, and there are many vulnerable parts. Screen and vibration motor need to be replaced and repaired in a short period of time, and there are many vulnerable parts. Screen bar and vibrating motor shall be replaced in a short time. 100% of the guaranteed value of coal on the boiler cannot be fully guaranteed. equipment installation 1. Embedded steel plate. Before installation, the steel plate shall be embedded according to the requirements of the equipment installation drawing, and the upper plane of the embedded steel plate shall be on the same plane. The embedded steel plates and foot bolts required for installation shall be provided by the installation unit. 2. Installation of screen body. The installation position of the screen body shall be determined according to the position arrangement of the feed inlet and discharge outlet of the equipment. 2. Install the foundation support. The two ends of the screen body are installed on the foundation support by hoisting, and the installation angle of the screen body is adjusted to the design angle, and finally fixed welding is carried out. 3. Connect the inlet and outlet. 4. Connect the sealing plate of the lower bracket of the screen body. 5. Rotate the drum screening cylinder by hand, and there shall be no excessive resistance or jamming. Otherwise, the reason shall be found out and adjusted in time. 6. After the roller screen leaves the factory, if it is installed after more than 6 months, the bearing of the large shaft must be removed and cleaned before installation, and a new grease (2 lithium base grease) must be injected

debugging I) preparation before commissioning 1. After all parts of the roller screen are installed and inspected to be qualified, test run can be carried out. Before the test run, the components shall be checked in detail to see whether they are installed correctly as shown in the drawings, whether the fasteners are firm, and whether there are obstacles around the screen body that hinder the operation of the roller screen. 2. Put the rectangular access door in the open position, and rotate the screening cylinder through the manual barring, observe whether the comb type cleaning mechanism is jammed or abraded, if any, adjust it by adjusting the bolt; 3. Check that all bearing pedestals and gearboxes are well lubricated and the oil level of gearboxes is proper; 4. The power connector shall be firm and reliable, with good insulation and correct grounding. II) no load test run 1. Jog the motor control button, and check that the rotation direction of the motor should be the same as that shown on the cage roller screen; 2. Start the equipment for 4-6 hours and observe the operation of the roller screen. If any abnormal sound or other phenomenon is found, stop the machine for inspection in time, find out the cause and eliminate the fault. The following items shall be checked during 4-6 hours of test run: A. the maximum temperature of large shaft bearing shall not exceed 75 ℃, and the temperature rise shall not exceed 45 ℃. B. tighten all fastening bolts in time in case of looseness. 3. Check the temperature rise of motor and rotating parts, which should be within the normal range. III) feeding 1. When the screening machine is in stable operation, start up the feeding and discharging equipment and carry out feeding and commissioning; 2. Close the seal isolation cover after normal discharging (in normal operation, the seal isolation cover shall always be in the closed position); 3. Check the discharge particle size and whether there is leakage and dust; 4. Operate for half an hour, check all parts carefully, and deal with problems in time. 5. During the working process, the operation condition shall be checked frequently. In case of abnormal operation or abnormal sound, the machine shall be shut down in time to find out the cause and eliminate the fault. Operation and maintenance The operation of the cage roller screen is reliable and the maintenance is small. Here are some problems that should be paid attention to in the operation: 1. When the machine is started, the cage roller screen must be opened first, and then the feeding equipment must be opened; when the machine is stopped, the reverse is true. 2. Three days before operation, the fasteners of cage roller screen shall be inspected every day, and they shall be fastened in time in case of looseness. In the future, the cage roller screen fasteners can be inspected and treated regularly (weekly or half a month); 3. Check the lubrication condition of bearing pedestal and gearbox regularly, and add oil and change oil in time. No. 2 lithium base grease is used for large shaft bearing. Normally, grease should be added every two months, and the filling amount should not be too much, otherwise it is easy to cause bearing overheating. Each bearing shall be cleaned and inspected once a year. 4. When the equipment is stopped for a long time (for more than 30 days) and restarted, the insulation of the motor shall be telemetered to avoid the motor burning

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drum screen - henan victory machinery co., ltd. – sand