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Archyvas: Liepa, 2018

How does Raymond Mill increase production?


Which part of the production bottleneck of raymond mill is mainly?
First we need to understand the production process of Raymond Mill: the grinding process and the wind selection process.
The production bottleneck of the grinding process is mainly: the blade angle problem, the sealing of the grinding roller assembly, and the wear resistance of the wearing parts.
First of all, the angle of the Raymond sharpening blade plays a crucial role. Some Raymond mill manufacturers tend to ignore this problem. The Raymond sharpening blade has a higher and lower position, which makes the blade shovel The material can not be accurately sent to the grinding position, which greatly affects the production of Raymond mill.
Secondly, the sealing problem of the grinding roller assembly is directly related to whether the raymond mill can be used normally or normally. If the Raymond Grinding Roller assembly cannot effectively seal, the inside of the assembly is easy to enter the powder. After the powder is fed, the total achievement of the Raymond mill is easy to break and often breaks down, which will bring a lot of normal production. Serious trouble. The latest assembly developed by SBM Machinery adopts the principle of mechanical seal, adopts multiple oil seals and progressive zero-gap seals, and the effect is consistently recognized by the society.
Finally, the wear resistance of the wearing parts, if the wearing parts (ie grinding rolls and grinding rings) use ordinary carbon steel, then it will wear out quickly, so the production cost of Raymond mill manufacturers will increase The maintenance rate will also increase. It is recommended that customers use Raymond grinding rolls and grinding rings made of high manganese steel.

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Superfine grinding of phosphate ore for the processing advantages of phosphate ore raw materials


Phosphate rock is more commonly used in some industries and mines in northern China in the early years, and China’s phosphate ore reserves are relatively large and the price is relatively low; the common phosphate rock has river pebbles, pebbles, etc., but which phosphate ore raw materials are used. Is it better to use ultrafine grinding of phosphate ore in the grinding production? Based on this, the following paper will analyze the equipment knowledge of ultrafine grinding of phosphate ore in detail, as follows:
I. Introduction to ultrafine grinding of phosphate ore
It is necessary to say which phosphate ore raw materials are better with ultrafine grinding of phosphate ore. For a brief introduction of ultrafine grinding of phosphate ore, the following will be analyzed in detail according to the superfine grinding of phosphate ore by SBM Industrial Technology Group, as follows:
SBM Industrial Technology Group adopts domestic similar product technology on the ultra-fine grinding structure of phosphate ore, and has been redesigned on the basis of traditional ultrafine grinding technology of phosphate rock; SBM Industrial Technology Group has refined the ultrafine grinding roller of phosphate ore. It can be crushed on the grinding ring only under the action of centrifugal force, effectively ensuring that the grinding roller and the grinding ring do not affect the yield and fineness of the finished product when it damages the phosphate ore raw material of a certain thickness, and for some Mohs hardness More than 10 grade phosphate ore raw materials are especially suitable, with strong processing capacity and high efficiency. For some common phosphate ore raw materials, or some barite, calcite, marble plus some non-flammable with humidity below 6%, Explosive minerals and other materials can be processed in high-fine milling, and the effect is far better than traditional milling equipment. Therefore, a variety of phosphate ore can be used for superfine grinding of phosphate ore.
Second, the ultra-fine grinding of phosphate ore for the processing advantages of phosphate ore raw materials
1. From the aspect of finished products: Compared with other milling equipment, the equipment has been improved by the screening system to improve the screening rate, which can reach 99%, ensuring less impurities in the finished product, and the finished product is more excellent, satisfying people’s right. The demand for high-purity pure phosphate ore raw materials cannot be compared with other equipment; therefore, the ultra-fine grinding of phosphate ore is better for grinding and processing the phosphate ore raw materials.
2. From the aspect of cost: Phosphate ore superfine grinding has a unique vertical structure, simple structure, small floor space, strong system, and electromagnetic feeder is used to supply phosphate ore material. Small in size and light in weight, it can save fuel and electricity, and can be easily repaired in the later stage, saving maintenance costs and production costs.
3. From the aspect of environmental protection: the whole operation system adopts a sealing device to prevent some phosphorous ore raw materials from splashing outside and reduce environmental pollution; and the sealing device can effectively reduce the noise transmission generated in the equipment grinding project, and more Effective green production.
Third, phosphate ore ultra-fine grinding price consultation
What is the price of a phosphate rock ultra-fine grinding? Due to some factors such as its quality and different purchasing methods, the price will be uneven. It is recommended that you consult SBM Industrial Technology Group, which builds the factory on one hand. On a long-term, the manufacturing experience is rich; on the other hand, the manufacturer produces and sells itself. The price of ultra-fine grinding of phosphate rock is relatively more economical and more affordable than that of the peers. If you want to know more, you are welcome to consult SBM Industrial Technology Group for free online. .

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How to extend the life of the sand making machine


With the development of a conservation-oriented economy and society, how to extend the service life of mechanical equipment is one of the important research directions of current mining machinery equipment manufacturers. The sand making machine is the core industrial equipment in the sand making production line. How to improve the service life of the sand making machine is not only the concern of the sand making equipment manufacturers but also the concern of the users. Shanghai SBM analyzes how to extend the service life of the sand making machine. The specific analysis is as follows:
Correct operation of the sand making machine
Before the sand making machine is turned on, the user can press the belt to check the tightness of the belt and check whether there are any residual materials or other waste in the sand making machine. During the operation of the sand making machine, abnormal noise or other abnormal conditions occur in the sand making machine. It is necessary to stop the maintenance in time. After the sand making machine closes the equipment, the unremoved residual materials are discharged in time, and the sand making machine is routinely tested.
Timely replacement of sand machine wearing parts
With the gradual improvement and development of basic building facilities, the demand for construction sand has increased. Many sand making enterprises have large production demand. In the sand making production line, the sand making machine is in a state of high speed operation for a long time, and the user often neglects the maintenance and maintenance of the sand making machine, and the sand making machine is in a high load operation for a long time. State, after a period of operation, the sand making machine is prone to failure, which not only seriously affects the work schedule, but also causes immeasurable losses. In order to ensure the normal operation of the sand making machine and extend the service life of the sand making machine, the inspection and maintenance personnel should regularly open the observation door of the sand making machine to inspect the parts of the equipment such as the hammer head, the lining plate and the counter-attack plate. If it is replaced, it should be replaced in time, and spare parts should be reserved to facilitate timely replacement and reduce downtime.
Add lubricant in time
In the production process of the sand making machine, the lubricating oil is the key to ensure the normal running and normal production of all parts. Every 24 hours of operation of the sand making machine requires the addition of lubricating oil from the bearing housing to ensure good lubrication between the parts. In addition, since the sand production line is mostly open-air operation, it is inevitable that there will be dust and dust. Therefore, the bearing cleaning of the sand making machine should be replaced once every two months to ensure the smooth operation of the sand making machine.
Sand production line
Combined with the working principle of the sand making machine, the sand making machine is a device for sanding the crushed machine to a reasonable fineness. Therefore, in the sand making process, the particle size of the material entering the sand making machine must conform to the system. The large feed size of the sand machine is not allowed to be mixed into the hard material of the texture. Otherwise, the impeller of the sand making machine will be unbalanced and the impeller will be excessively worn. The base will cause the impeller passage and the center inlet pipe to be blocked, resulting in sand making. The machine can’t work normally, so it should be excluded in time to find out the bulk material.

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Strengthen the advantages and performance of the ultra-fine mill


The super-fine grinding machine is mainly composed of a grinding roller device, a grinding disc device, a grinding roller hydraulic loading device, a hydraulic lubrication system, a reducer, a motor, an electric, a high-efficiency classifier and the like. When the ultrafine mill is strengthened, the motor drives the grinding disc to rotate through the reducer. At this time, the wind also enters the vertical mill body from the air inlet, and the slag and other materials fall into the middle of the grinding disc through the feeding nozzle of the feeder, and are rotated by the grinding disc. When the centrifugal force is applied, the material is crushed by the grinding roller at the edge of the grinding disc, the bulk material is directly crushed, and the small material is formed into a bed for intergranular pulverization.
After the pulverized slag material reaches the edge, it is taken away by the strong wind at the wind ring. The larger material particles fall on the grinding disc and continue to be ground. After the material in the airflow passes through the upper separator, the coarse granular material is driven by the rotor blade. Return to the grinding disc and re-grind. The qualified materials are ground with the airflow and collected by the dust collector.
The advantages of strengthening the ultra-fine mill are as follows:
1. High milling efficiency: The grinding method of directly grinding the ground material on the grinding disc by using the grinding roller has low energy consumption and saves energy consumption by 30% to 40% compared with the ball milling system.
2. Less wear: Since the grinding roller does not directly contact the grinding disc during work, and the grinding roller and the lining plate are made of high-quality materials, the service life is long and the wear is small.
3. The material stays in the ultrafine mill for a short period of time, which is easy to detect and control the particle size and chemical composition of the product, reducing the repeated grinding and the product quality is more stable.
4. The roller sleeve and the lining plate are not in direct contact. The iron content in the product is very small, and the mechanical wear iron contained in the product is easy to remove. When used for grinding white or transparent materials, the product has high whiteness and purity. It is equipped with a limit device to prevent direct contact between the roller sleeve and the disc liner, which avoids destructive impact and severe vibration, thus playing a significant guarantee for the quality and stability of the finished product.
5. Strengthen the ultra-fine grinding machine equipped with PLC/DCS automatic control system, which can realize remote control and easy operation. By overhauling the oil cylinder, turning the rotating arm, replacing the roller sleeve and the lining plate is convenient and quick, and reducing the downtime loss.
6. Energy saving, environmental protection, non-polluting equipment, low vibration and low noise.
7. Strengthen the ultra-fine grinding machine to integrate crushing, drying, grinding and grading and conveying. The system is simple, the layout is compact, and it can be arranged in the open air, thus reducing a large amount of investment costs.

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If the sand making machine motor fails, it must not be repaired blindly


There are many reasons for the failure of the sand making machine motor. SBM sand making machine experts remind you not to blindly repair it yourself. Maintenance of the sand making machine motor must follow certain principles.
Usually, the sand machine motor malfunctions prematurely, mostly because of improper operation. After the customer buys back the sand making equipment, the customer can’t wait to start production. I can’t wait to recover the investment cost within one day, but it is not a wish, in the sand making. In the process, the sand making machine equipment often fails due to human factors. Today, our SBM will give you a detailed explanation of the normal maintenance method of the sand making machine motor. User friends can pay more attention to learning.
After years of production experience and materials collected from users, our technical experts have summarized the abnormal treatment plans commonly encountered by sand making machines into the following four steps:
First, remove the external connection line of the new sand making machine motor and do the marking treatment at the same time;
Secondly, use the tools supplied by the sand making machine manufacturer to disassemble the pulley or coupling on the motor shaft. Sometimes it is necessary to add some lubricating oil in the gap between the motor shafts of the pulley to make it penetrate and lubricate for easy disassembly. . For motors equipped with rolling bearings, the bearing cover should be removed first, then the end cap fastening screws should be loosened, and the joints between the end cover and the base housing should be marked. The screws for the removed end caps will be removed. Screw in the two screw holes on the motor end cover and push the end cap out.
Then, when removing the sand making machine motor with the brush, the brush should be taken out from the brush holder. To remove the DC motor, the position of the brush neutral line should be marked;
After extracting the rotor of the new sand making machine, care must be taken not to damage the stator coil. If the weight of the rotor is not large, it can be pulled out by hand. Firstly, the two ends of the rotor shaft are sheathed with a lifting wire rope to lift the rotor with lifting equipment, and slowly removed, taking care to prevent the coil from being damaged. Then, a steel pipe is placed on one end of the shaft. In order to prevent the steel pipe from scratching the journal, a thick cardboard is placed on the steel pipe to continuously remove the rotor. When the center of gravity of the rotor has moved outside the stator, at the rotor shaft end Under the support of a bracket, the wire rope is placed in the middle of the rotor, and the rotor can be completely extracted.
In summary, it is the correct maintenance method for the sand making machine motor that our company summarizes. It is the easiest maintenance method at present. If some users encounter problems that cannot be solved by themselves during maintenance, they can immediately call our company’s helpline. , our SBM mine is dedicated to serve you.

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The output size and material shape of the sand making machine are the key factors determining the quality of the finished sand


The quality of the finished sand is related to the sand making material and the particle size and shape of the finished sand. Therefore, knowing how to adjust the discharge size and material shape of the sand making machine is of great benefit to the production of high quality sand and gravel aggregate. When the sand making machine (sanding machine) is working, the rotor rotates at high speed under the driving of the motor. When the material enters the action area of ​​the hammer, it impacts and breaks with the hammer on the rotor, and then is thrown to the counter-attack device to break again. Then, it is rebounded from the counter-attack liner back to the plate hammer action zone, and the process is repeated. The material enters from large to small, and the counter-attack cavity is repeatedly crushed until the material is broken to the required particle size and discharged from the discharge port. .
The purpose of changing the material discharge size and material shape can be achieved by adjusting the gap between the counter frame and the rotor in the sand making machine. SBM’s new sand making machine can process various coarse, medium and fine materials ores, rocks (granite, limestone, concrete, etc.) with a particle size of not more than 120-500 mm and a compressive strength of not more than 320 MPa. It is widely used in hydropower and highways. , artificial sand and gravel, crushing and other industries. This series of impact crushing structure is unique, equipped with high chrome plate hammer and unique counter-attack lining; suitable for hard rock crushing, high efficiency and energy saving; adjustable grain size, which can simplify the crushing process, and has large crushing ratio and high crushing efficiency. The product has the advantages of cube shape and selective crushing.
Compared with the traditional old sand making machine, the sand making machine has stable operation, low working noise, high efficiency and energy saving, high crushing efficiency; small influence of moisture content of the material, water content of up to 8%; low loss of wearing parts All wearing parts are made of high quality wear-resistant materials at home and abroad and have a long service life. The product is cubic, with high bulk density and low iron pollution. Can be used as a stone shaping machine. For more information on the operation of the sand making machine, please call us.

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What is the benefit of the silicon sand making machine?


With the development of sand making machine production technology, the application fields of sand making machine equipment are more and more extensive, and a variety of diversified sand making machine equipment emerges endlessly. People are becoming more familiar with the role and function of sand making equipment. The application of sand making equipment in the field of diamond processing is also common. In addition, the corundum has stable chemical properties, high thermal conductivity and thermal expansion. The expansion coefficient is small and the wear resistance is good. After deep processing, the use of silicon carbide and market development have gone further.
Emery is made of quartz sand, petroleum coke (or coal char) and wood chips as raw materials through high temperature smelting in an electric resistance furnace. After deep processing of a series of equipment such as Pebble sand making machine, it can be used in functional ceramics, advanced refractory materials, abrasives and metallurgical raw materials. The special method is applied to the inner wall of the turbine impeller or the cylinder block to improve the wear resistance and prolong the service life by 1 to 2 times; the advanced refractory material used for the production is heat-resistant and small in volume. Light weight and high strength, good energy saving effect. Low grade silicon carbide (about 85% SiC) is an excellent deoxidizer, which speeds up steelmaking and facilitates control of chemical composition and quality of steel. In addition, silicon carbide is also widely used to make silicon carbide rods for electric heating elements.
SBM’s silicon carbide sandblasting equipment is the ideal choice for processing corundum. It not only works well for processing hard diamonds, but also can be used for fine sand making and stone shaping of various ores, rocks, quartz sands, etc. SBM Emery sand making machine is highly resistant to wear and low carbon, providing powerful equipment support for the high-speed development of the Emery industry.

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What is the price of limestone ultrafine mill?


Many sandstone resources are formed by many years of hardening and tempering. Limestone is also a kind of calcium carbonate mixture. The domestic limestone reserves are abundant and it is also an invaluable mineral resource. It is used in papermaking, rubber, paint, etc. after treatment. The same light, usually applied to the construction industry with lime powder.
While the construction industry wants to continue to develop rapidly, many raw materials are indispensable. Limestone is one of the raw materials. The grinding process in the production line is an important step that cannot be less, and the limestone ultrafine grinding machine has super-fine grinding. Strong effect, loved by everyone, how much does it cost for a limestone XZM Series Ultrafine Mill? Let’s take a look at it.
What is the price of limestone ultrafine mill?
Whether buying or selling the price is a headache. If the price is set high on the seller, it may not be sold. If it is too low, it may lose money. The buyer wants to spend less money to buy good quality equipment. About limestone super There is very little accurate information on the market of fine mills. An indispensable factor is that there are many models of limestone ultrafine mills. Everyone will have a psychological output in choosing equipment, and they want to choose their own requirements because The venue is different, and everyone’s needs are different. The manufacturers have designed many models when they are producing equipment. The different models are not only the same output, the equipment input, discharge granularity, power, and manufacturer’s manufacturing costs are different, so the price is different.
With the continuous development of several years, there are more and more manufacturers of limestone ultrafine grinding machines. They come from different regions and each has their own advantages. Each manufacturer has different scale and strength, and the technology and raw material costs invested in production and processing. There are also some differences. The quality of the equipment is good or bad. The crushing efficiency of the equipment with better quality may be higher. It does not need to spend a lot of time and money on maintenance, which effectively reduces the investment cost of everyone. The cost is high, so the price of limestone ultrafine mill is closely related to the quality of the manufacturer and the quality.
How much does a limestone ultrafine mill from ZENITH Industrial Technology Group cost?
ZENITH Industrial Technology Group limestone ultrafine mill price may not be the low one, but the price is reasonable and reasonable, comprehensive cost-effective, because the combination of e-commerce and offline, you can directly consult and order without going out of the house. In the middle link, the price is ex-factory price. ZENITH Industrial Technology Group is a professional expert in the grinding machine. From design to after-sales, we have been working hard to make it easier.

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Introduction to the working principle of ultra-fine grinding machine


The ultra-fine grinding machines commonly used in China are: roller-type ultrafine grinding machine (also known as flat-plate grinding), roller- bowl ultrafine grinding machine (also known as bowl-type grinding), ring-type ultrafine grinding machine. (also known as E-type grinding), roller-ring ultrafine mill.
Now take the medium-speed ultrafine mill as an example to introduce its structure and working principle. The medium-speed ultra-fine mill can be divided into four parts along the height direction: transmission, grinding parts, dry separation space and separator and coal powder distribution device. The working principle of various medium-speed ultra-fine mills is basically similar, namely:
1 The raw coal is crushed into pulverized coal by being squeezed and milled under the action of pressing force;
2 The pulverized coal powder is thrown to the annular hot air passage with the equalizing guide vanes, and the hot air enters the drying space through the wind ring at a certain speed to dry the pulverized coal;
3 hot air brings the dried coal powder into the coarse powder in the upper part of the grinding area for separation, and the qualified coal powder is taken out by the desiccant through the dispenser;
4 The impurities (such as stones, metal blocks, etc.) in the raw coal fall from the wind ring into the sundries frost.
The ultrafine mill motor drives the grinding disc to rotate through the reducer, and the material falls from the feeding port to the center of the grinding disc through the lock air feeder, and the hot air enters the grinding chamber from the air inlet. With the rotation of the grinding disc, the material moves to the edge of the grinding disc under the action of centrifugal force. When it passes through the annular groove on the grinding disc, it is crushed by the grinding roller, and the crushed material is brought up by the high-speed airflow of the wind ring at the edge of the grinding disc. The particles fall directly onto the grinding disc and re-grind. When the material in the airflow passes through the upper separator, under the action of the rotating rotor, the coarse powder falls from the cone to the grinding disc and is re-grinded, and the qualified fine powder is ground together with the airflow. The dust device collects, that is, the product, the moisture-containing material is dried during the contact with the hot air flow, and the hot air temperature can be adjusted to meet the requirements of different humidity materials to achieve the required product moisture. By adjusting the separator, the required thickness of different products can be achieved.

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Shanghai SBM sand making machine pushes sand and gravel aggregate industry to a new level


As we all know, the production of machine-made sand is inseparable from the crushing and screening of sand and gravel aggregate production line equipment, and the sand making machine is the most important. Therefore, Shanghai SBM has promoted the rapid transformation and upgrading of the traditional sand and gravel aggregate industry, and realized the transformation to the mechanism sandstone aggregate model. A series of work has been carried out around the research, development, production and application of the mechanism sand equipment. New sand making machine: 6S high efficiency sand making machine.
Shanghai SBM6S high-efficiency sand making machine is a new type of sand making machine with advanced level at home and abroad. The sand making process of this kind of equipment can increase the sand making efficiency by 20%. In addition, Shanghai SBM high-efficiency sand making machine is suitable for providing high-quality gravel aggregate for high-rise buildings, highway (railway) construction, municipal engineering, large-scale water conservancy facilities, concrete mixing stations, etc. It is a good choice for mechanical sand.
It is worth mentioning that the sand making machine can realize the conversion of two working modes: “stone hitting iron” and “stone hitting stone”. The stone crushing chamber has high crushing efficiency and can be used for stone processing and mechanism sand of various hardnesses. Production and stone shaping operations can also be used for fine and superfine crushing of materials. In addition, the advanced lubrication system realizes fully automatic control of equipment lubrication, high transmission efficiency and good cooling effect, and can reduce power consumption by 10-40% under the same capacity.
Under the new normal, Shanghai SBM high-efficiency sand making machine provides strong equipment guarantee for the development of sand and gravel aggregate industry. With advanced performance, no pollution, low noise and other advantages, it is outstanding in similar products and is deeply affected by sand and gravel aggregate enterprises. Pampering.

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