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Dolomite is a carbonate mineral with iron dolomite and manganese dolomite. The molecular formula of dolomite is CaCO3 and MgCO 3 . Theoretical composition: CaO 30.4%, MgO 21.9%, CO2 47.7%. It often contains impurities such as silicon, aluminum, iron, and titanium. Dolomite can be used in building materials, ceramics, glass and refractory materials, chemicals and agriculture, environmental protection, energy conservation and other fields. Mainly used as a flux for alkaline refractory materials and blast furnace ironmaking; production of calcium magnesium phosphate fertilizer and preparation of magnesium sulfate; and production of glass and ceramic ingredients. The ultra-fine vertical grinding mill is a representative of the grinding machine prepared on the basis of ultra-fine vertical roller mill. It is a grinding equipment which is carefully manufactured by SBM heavy machine to meet the requirements of non-metallic mineral superfine vertical grinding powder. It is used in the processing of dolomite ore powder. With half the effort, improving market value and market competitiveness, it was warmly welcomed and praised.

With the further development of science and technology, the market value of dolomite mineral powder is gradually improved. The processing of dolomite ore powder adopts ultra-fine vertical roller mill grinding machine, which can further improve the processing efficiency, finer classification accuracy and promote the market value of dolomite powder. SBM heavy machine manufactures dolomite superfine vertical roller mill grinding machine, meets the needs of dolomite powder production field, scientifically customizes professional selection configuration, equips reasonable dolomite ultra-fine vertical roller mill grinding machine price, promotes dolomite with better resource combination The ore powder achieves efficient processing and smooth operation.

SBM heavy machine dolomite superfine vertical grinding mill has comprehensive mechanical pulverizing properties such as rolling, grinding and impact. It can process various non-metallic mineral grinding with Mohs hardness below 7 and humidity below 6%. The field, and the equipment has a large crushing ratio and high energy utilization rate. It adopts semi-automatic control and unique process to greatly improve production efficiency. The whole set of equipment runs stably, the classification effect is good, the product granularity is good, the product quality is stable, and it is applied to ultra-fine Grinding and crushing processing field is a representative mill equipment with economical benefits and fast investment income. For the different milling projects of Dolomite, SBM heavy machine scientific customized selection configuration scheme, reasonable price of Dolomite superfine vertical roller mill grinding machine, SBM heavy machine team with high technology and rich experience, providing professional for the smooth operation of Dolomite project Quality Assurance.


Under the premise of advanced technology, the river pebble sand making machine is no longer as bulky as the old machines, and has a simple structure and low cost. Because of the peculiarity of the spindle design inside, the river pebble sander can bear a certain load and can rotate at high speed. In terms of use, the material from the river pebble sand making mechanism is more finely divided, and in the process of use, the efficiency is improved and the noise of the conventional machine is reduced.River pebbles are widely distributed in China, and their history of development and utilization has been long-standing. In the past, it was only used locally for simple applications. With the changes of the times and the advancement of science and technology, the successful development of the river pebble sand making machine has made the river pebble have a larger scope of use. After the river pebble is crushed and processed by the river pebble sand making machine, it becomes a machine sand, which is widely used in various constructions. The river pebble sand making machine is small, flexible and has high productivity and is very popular in the market. The river pebble sand making machine has high crushing efficiency, fine crushing and coarse grinding function; simple structure, convenient installation and maintenance, low running cost; strong ability to pass non-broken materials, small influence by moisture content of materials, water content up to 8% The product has excellent grain shape, is cubic, and has a very low needle-like content.The material enters the river pebble sand making machine from the feeding hopper, and the material is divided into two parts through the feeder, and a part is transferred into the high-speed rotating impeller from the middle of the distributor, and is rapidly accelerated in the impeller, and the speed of the river pebble sand making machine can reach Hundreds of times the gravitational acceleration, then ejected from the three uniformly distributed flow paths of the impeller at a speed of 60-70 m/s. First, it is impacted and broken by a part of the material falling from the periphery of the distributor, and then impacted together with the vortex The material lining on the cavity rebounds by the material lining, impacts obliquely upward to the top of the vortex chamber, changes its direction of motion, deflects downward, and the material emitted from the impeller runner forms a continuous material curtain. Such a material is subjected to two or even multiple chances of impact, friction and grinding and crushing in the vortex breaking chamber. The broken material is discharged from the lower discharge opening. During the whole crushing process, the materials are crushed and broken by themselves, and are not in direct contact with the metal components, but are impacted, rubbed and pulverized with the material lining, which reduces pollution and prolongs mechanical wear time. The ingenious airflow inside the vortex chamber self-circulates, eliminating dust pollution. The world today advocates sustainable development, and we must do everything possible to reduce environmental pollution. Therefore, the river pebble sand making machine and sand making production line also adhere to the principle of green health and respond to the country's call to minimize pollution.

When processing stone or mine resources, a large amount of dust is generated, the pollution to the environment is quite large, and the health hazard to humans is also great, so the user must solve the large amount of dust generated in the sand production line equipment. Perform effective processing.

We can solve the environmental pollution and worker health hazards of the sand making machine in the stone crushing production line equipment from the following aspects.

1. The dust at the corner of the belt conveyor is restricted by the site conditions. The chute and the dust hood cannot be changed. The dust removal process is arranged in a form that makes the dust hood in a micro-negative pressure state to eliminate the dust of the belt conveyor.

2. Strengthen the management of dust removal equipment, regularly check the airtight cover, and find problems in a timely manner. Carry out target management assessment on the dust emission of the post environment and bag filter, regularly conduct dust monitoring, use the economic lever to mobilize the work enthusiasm of the post personnel, improve the maintenance level of the dust removal equipment, and greatly reduce the dust pollution.

3. Improve the process layout of the bag filter, arrange the dust collector of the sand machine according to the direction of the belt machine; transform the standard type ash bucket of the bag filter into a double ash bucket structure, thus canceling one screw conveyor, Raising the bag filter is beneficial to the arrangement of the air inlet pipe (the angle of the air duct is large); the air inlet box is arranged at the air inlet to make the dust of the sand inlet of the sand making machine directly enter the air inlet box of the dust collector, saving the elbow Reduces system resistance and improves dust collection efficiency. The ash bucket lock wind adopts a single-layer flap valve, which eliminates the grid wheel feeder and its motor, reduces secondary dust and improves dust removal effect.

After the improvement, the degree of pollution of the sand making machine in the stone production line equipment is relatively reduced. In addition, the maintenance and cleaning of the equipment is also very important.

The VSI sand making machine is a new generation of products upgraded on the basis of traditional sand making machine. It has greatly improved and improved in both the sand making effect and the whole machine operation. So, what are the significant advantages of the VSI sand making machine for the traditional sand making machine?

1. In terms of production capacity: The processing capacity of the VSI sand making machine is very strong, and the output is as high as 50-500 tons per hour, which is more than 30% higher than the traditional sand making machine of the same power, and the output is relatively stable.

2. In terms of finished product effect: After the VSI sand-making mechanism sand treatment, the finished sandstone has multi-cube shape, good particle shape, reasonable gradation and adjustable fineness, which is very suitable for artificial sand making machine and stone forming.

3. In terms of maintenance cost: the impact angle of the crushing chamber material of the VSI sand making machine is reasonable, and the wear of materials and wear parts is not much, which is about 30% lower than the maintenance cost of the traditional sand making machine. It can directly reduce the investment of equipment and bring a larger space for the profit of the enterprise.

 4. In terms of safe operation: the lubrication of VSI sand making machine is lubricated with thin oil and automatic maintenance. The dual oil pump is used to ensure the oil supply. When there is no oil flow and no oil pressure, it will automatically stop, which effectively guarantees the safety of the equipment.


The core of the jaw crusher internal structure production, Shanghai SBM heavy industry jaw crusher equipment rotor is mainly composed of moving parts, eccentric shaft, bearings, pulleys and other parts, is the main part of the transmission and bearing torque, The truss bracket and the movable raft are composed of parts, and the movable bracket is made of 35# cast steel and is subjected to quenching and tempering treatment. The bearing adopts double row radial spherical roller bearing, and has the characteristics of fine adjustment, large force and durability. The eccentric shaft is made of 45# steel and is tempered. The raft is divided into two kinds of activities and fixed. In order to improve the crushing effect, the surface adopts optimized tooth shape, and the material adopts ZGMN13, which has the characteristics of high hardness, wear resistance and good use effect.The main component of the fixed body is the jaw crusher. There are two manufacturing processes: medium carbon steel casting frame and medium carbon steel plate welding frame. The welding frame is based on the original casting frame and adds a number of strong ribs, and through the strict quality control and specific process requirements, the same effect as the casting frame is achieved. In order to prevent serious wear on the side walls of the frame, guard plates are installed on the left and right side walls of the crusher machine, and can be replaced at will. In addition to transmitting force, the safety device brackets play an important role in insurance, that is, when non-crushed objects enter the crushing chamber, the brackets can be broken or bent first to protect other parts of the machine. The adjusting device is used to adjust the size of the discharge opening and control the discharge granularity. There are two types of crushing equipment adjustment mechanism: lifting block type and ejector gasket type, which is convenient and flexible to adjust and can realize stepless adjustment. Customers can also visit our Shanghai SBM Heavy Industry Entity to learn more about the crusher production process!

Calcite milling equipment machinery vertical roller mill, calcite powder factory equipment prices, calcite, limestone are the raw materials for the production of calcium carbonate, in the demand for calcium carbonate in the industrial sector continues to increase today, the owners of calcite and limestone processing plants It has also increased year by year. The limestone mill produced by SBM heavy machine not only has many advantages for the further processing and utilization of calcite, but also has made great contributions to the development of society.

The limestone vertical roller mill mill introduced by SBM heavy machine can process the high-fine powder of calcite material. The finished product has a particle size range of 325-2500 mesh. After years of practice, the equipment is used for the calcination of calcite and limestone. There is an unparalleled advantage in processing, creating enormous economic and social benefits for the society. As a professional limestone mill manufacturer, SBM Heavy Machine has always insisted on customer demand-oriented, providing users with more professional and reliable industrial milling equipment. SBM heavy machine's many milling equipment and milling equipment products have long been marketed. Test, enjoy a high reputation among users, we have strong research and development strength, rich market experience, can provide more professional market guidance for each customer, SBM heavy machine is looking forward to cooperation with people from all walks of life.

1. Regularly stop the observation door and observe the internal wear of the impact sand making machine. The wear degree of the center feeding pipe, cone cap, impeller upper and lower runner liner, circumferential guard plate and wear block should be replaced in time after wear or Repair, replace the wear block at the same time, to ensure that the wear block weight is the same. It is forbidden to open the observation door during the working process of the crusher to observe the internal working conditions to avoid danger. It was found that the impeller body wear was replaced in time to find the repair of the manufacturer. In particular, it is strictly forbidden to make the impeller yourself without the manufacturer's consent.

2. The tension of the transmission triangle tape should be adjusted appropriately to ensure the uniform force of the triangular tape. When the double motor is driven, the triangular tapes on both sides should be grouped and matched, so that the length of each group is as uniform as possible. Should be adjusted so that the difference between the two motor currents is 15A.

3, sand making machine using Mobil vehicle grease or 3 # lithium base grease, add appropriate amount of grease every 400 hours of work, work 2000 hours to open the spindle assembly to clean the bearing, the general work 7200 hours, replace the new bearing.

The upper end bearing of the main shaft assembly is a swimming end, and the lower end bearing is a fixed end. After assembly, the pulley should be rotated by hand to be flexible. In the operation of the sand making machine, since the equipment is a high-speed equipment, special attention should be paid to safe production. The relevant personnel should be away from the equipment. If it is necessary to repair the machine, it should be carried out after the shutdown. If you have any problems, please ask the professional maintenance personnel to solve the problem. It is forbidden to disassemble the core components without permission from the factory.

The importance of the sand making machine in the sand production line is self-evident. It plays an important role. When the sand making line is in progress, the sand making machine has problems, just like people lose in the normal life. Oxygen, life can not continue, and the sand production line is also the same, so there are problems with the sand making machine, we have to be calm, look for professionals to view and repair, the following Shanghai ZENITH introduces several frequently occurring problems and solutions.

1. The bearing load of the sand making machine is too large: check the load. Under the correct load conditions, control is within a reasonable range.

2, the sand machine bearing torque load of the enemy invasion, inflow: improved rust seals, downtime. Improved surface finish for paired rolling parts. The dark side is shown, the dark surface has a slight abrasion depth of 5-10M micro-cracks and the small opening fractures are installed from the surface inward over a wide range. Improved sealing device.

3. Improper lubricant: Use a lubricant of appropriate viscosity to improve lubrication. The surface finish of the sanding machine bearing paired rolling parts is poor. Foreign matter enters the lubricant. Choose the right lubricant.

4. The bearing clearance is not suitable. The bearing housing is of poor precision and the rigidity of the bearing housing is uneven: check the accuracy of the shaft and bearing housing. Check the gap.

5, sand making machine bearing shaft rust, erosion, wear and indentation points check the accuracy of the shaft and housing. The inner ring of the ball bearing load of the ball press rotates, and the rolling fatigue of the raceway surface of the outer ring or the rolling surface is flaky. The so-called card injury produces a slight burn on the sliding surface that summarizes the damage caused by surface damage. The surface roughness caused by the lubricating oil is poor. Stripping the lubricant is not appropriate, improving the lubricant and lubrication methods.


What kind of grinding machine is suitable for gypsum powder processing and production? What is the principle of vertical grinding equipment for processing gypsum powder? With these problems, SBM heavy machine technology will answer your questions on site. SBM heavy machine mine has always been manufacturing grinding machine as its own responsibility. vertical roller mill, vertical grinding, ultra-fine vertical grinding and other equipment are very popular in the milling industry. Among them, SBM heavy machine gypsum powder vertical grinding principle science, complete set The equipment is systemic, scientific in structure design and stable in operation. It is an ideal equipment for efficient processing and production of fine powder.People often see gypsum powder in their lives, and the construction field uses a lot of gypsum powder for decoration. In fact, gypsum powder is one of the five major gel-type decorative materials, which are widely used in construction, building materials, industrial molds and art models. Chemical industry grade agriculture, food processing and medical beauty, and many other industrial and application fields, is a very important industrial raw material, generally white, colorless, and sometimes may become gray, light yellow, light brown, etc. due to impurities. Not the same color. As a grinding equipment for gypsum powder preparation, vertical grinding is very popular and is an ideal equipment for scientific milling. SBM Heavy Machinery Mine carefully manufactures gypsum powder vertical grinding processing equipment with high grinding efficiency, provides tailor-made services for different powder customers, and formulates scientific and reasonable gypsum powder vertical grinding prices. Welcome to know.


In the process of using any equipment, some small faults will inevitably occur. The SBM Crusher is no exception. If the machine is in a process of sudden shutdown, don't be nervous. Look for the cause and solve the problem in time to avoid it. The efficiency of the entire production line. Below SBM Heavy Industries will provide you with an introduction to the sudden shutdown of the jaw crusher and the solution.1. In the process of using the equipment, there is no reasonable addition of materials, which causes the discharge port of the machine to be blocked and the crushing cavity to block the material. Therefore, it is necessary to promptly remove the blockage of the discharge port to ensure smooth discharge.Second, the machine is subjected to a huge impact force during the work, which causes the eccentric shaft to tighten the bushing, causing no gap on both sides of the bearing housing of the frame, so that the eccentric shaft is stuck and cannot be rotated, so the Quarry crusher is I can't work properly, so when this happens we need to reinstall or replace the bushing.Third, the power of the jaw crusher is driven by the transmission belt, and the belt is too loose to cause the belt to slip, thus affecting the work. We need to check if the tension of the belt is normal before the equipment works.

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