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February 22 2018


ultrafine mill necessary to install explosion-proof device

For the work of ultrafine mill, in order to obtain good production efficiency, we must not only ensure standard operation, but also pay attention to the maintenance and repair, in addition, we should pay attention to the production of safety issues, in this case refers to personal safety and Machine safety, in addition to ensuring airtight, solid foundation, but also made the installation of explosion-proof device, really necessary?
ultrafine mill at work, the problems that may arise are more, some will affect the production efficiency of the machine, while others will affect the safety of all the problems, no matter what kind of problem, we need us Timely solution, one of the problems, for production, it is very necessary to prevent, that is the issue of the explosion, in general, in actual industrial production, the explosion of industrial machinery is very rare, but for the ultrafine mill is used to produce fine powder, coupled with the role of high temperature, this problem is likely to occur, in order to reduce the occurrence of this phenomenon, it was proposed to install explosion-proof device, this device is really effective ?
First of all, ultrafine mills are produced for a variety of ore raw materials, including some combustible and explosive materials such as coal, the processing of such materials is more dangerous, it is likely to occur due to high temperature and other issues Explosion phenomenon, it is very necessary to install explosion-proof devices;
Followed by the explosion will not only cause damage to production, but also for the personal safety of staff is a great danger, from this point of view, the installation of explosion-proof devices is even more necessary

January 19 2018


why raymond mill is welcomed

Nowadays, the economic construction of our country is in full swing. The development of the mining machinery industry is also very rapid. With the ever-changing market demand, the design of raymond mills more intelligent, automatic production operations have become the mainstream. Among the many types of mill, Raymond mill has a good user experience, in line with the needs of modern production, is widely used in small and medium-sized mining, chemical, building materials, metallurgy, refractories, pharmaceuticals, cement and other industries.
Horizontal raymond mill mainly by the rack, into the air volute, blade, grinding roller, grinding ring, the shell and the motor and other components. Roller device suspended in the host plum-frame for rotation and rotation movement, due to the role of centrifugal force during rotation, roller swing outwards, pressing on the grinding ring. During operation, the material enters the machine body through the feeding hopper on the side of the machine shell, shovels from the blade to the between the grinding roller and the grinding ring, and reaches the grinding purpose under the rolling of the grinding roller.

January 11 2018


the choice for Raymond mill more professional

Mining Equipment Manufacturing Company in the international famous is not in the minority, Shanghai Zenith Machinery Co. Ltd is one of them. The company's business has grown to more than 170 countries. Shanghai sand making machine development situation a little better than a number of small and medium-sized cities in China, mainly due to its geographical advantages, there are still some preferential policies. 

The working principle of sand making machine is generally the materials fall into the hopper, the center feeding hole into the high-speed rotation of the rotor was sufficiently accelerated and by emission mouth out, first with the rebound after free falling a portion of the material impact, and then with the impact to the vortex shaped material around the vortex cavity lining (or counter block), is first bounced back to the top of the crushing cavity, after partial steering movement, forming a continuous material curtain and launch out from the impeller material impact, finally through the lower part of the discharge port discharge. 

Customers in the choice of sand making machine, to consider the various factors, such as the hardness of a material, such as sand ground. If you have any questions, please contact our online customer service.

January 05 2018


sand making machine in the gravel

A lot of sand and gravel without processing, is directly used to pave the way, construction and other fields. There are some gravel size is not suitable because of its appearance and the need for further processing can be put into use. These stone processing, need to use special equipment: Gravel sand making machine. In general, the sand stone is often made of machine-made sand to use. Sand making machine is widely used in gravel mechanism of sand production line. Equipment for sand river gravel general is widely used in mining, metallurgy, building materials, highway, railway, water conservancy and chemical industry and many other departments, various materials with crushing compressive strength less than 320 MPa.

In a sand and gravel mechanism complete production line, not only need to use the sand making machine equipment, also need to use some other auxiliary equipment, such as feeder, single-stage crushing machine, plastic machine, sand washing machine etc.. Customers can according to their actual needs, choose the right equipment. The combination of these devices has great flexibility. Because of a production line cost is very high, for the use of these devices to follow the correct method of operation. At the same time, customers also need to pay attention to maintenance and maintenance problems of these devices, specialized training for nurses the equipment operation. In the maintenance of equipment and maintenance, special attention should be paid to the following problems.

The first is because the sand making machine belongs to the high-speed operation of the equipment in the working process, the staff should pay special attention to safety. The staff should be far away from equipment, if need to tinker's words, must cut off the power before it can carry out the operation. The second is regular downtime open door window observing equipment internal wear, including wear degree circumference guard plate, wear-resistant block, wear should be replaced or repaired, so as not to cause more loss of equipment. It is prohibited to open door window observing work internal equipment crusher work process, so as to avoid the occurrence of safety accidents. Find the impeller body wear, should be promptly replaced. Finally is the sand making machine at work 400 hours should be the addition of appropriate amount of grease; to work 2000 hours to open the spindle assembly bearing cleaning; if the work until 7200 hours later, it must be replaced with new bearings. Bearing is a important part of equipment, state is of crucial importance protect bearings. According to customer requirements of different product sand, sand making machine manufacturers can provide customers more rational design of production line. Customers can also put some of its requirements in the design process.

January 04 2018


How to correctly replace the wear part

Is to remove the turntable of ultrafine mill, demolition should be used with the corresponding screw on the turntable screw three M24 screwed into them, and use a hammer percussion turntable, and then use the lifting tool to remove the turntable, Then use the same method to remove the lower turntable. After the turntable is disassembled, seven pivot pins need to be gradually produced. After removing clay powder equipment, you can replace the equipment related to the wearing parts.
Since the wearing parts of the ultrafine milling equipment are generally located in the interior of the equipment, the replacement is troublesome and must be handled strictly according to the procedure. In addition, the wearing parts with excellent quality are selected, otherwise, the inferior parts with inferior quality Will increase the workload of maintenance equipment, but also affect their normal production, in general, when replacing the wearing parts need to first fix the two shaft bolts and clamping nuts at the equipment, and then left-hand removal of ultrafine milling equipment On the bulk tray, the demolition of the bar should be used when the top of the bulk tray with a diameter of 30, and the first demolition of one, along the clockwise method to hammer the round bar, until removed, in order to facilitate the demolition Generally need to drop some oil above the thread
The above article describes how to properly replace the problem of wearing parts of ultrafine mill, strictly following these steps during replacement can reduce the damage to the wearing parts in the process of replacement, which is beneficial to the equipment to work better .

January 03 2018


ultrafine mill is commonly used calcite

ultrafine mill is for different materials grinding operation, in general, the machine has a different model, which can be used in different stone production line, and a stone production, according to the required capacity and fineness The types of equipment that can be used are also different. For calcite, there are more types of mills that can be used in production. Here is an analysis of the ultrafine mill used to process this kind of stone 

Calcite is widely distributed and belongs to calcium carbonate minerals. It is widely used in chemical, cement, metallurgy, medicine and other industries. The quality of finished products required in different industries is not the same, so different calcite can be used Of the grinding equipment to the machine for production, in general, you can use the machines are mainly high-strength mill, ultrafine mill, Raymond mill, which for the production of stone material, the function is not In the same way, let's analyze it in detail.

The main introduction is 'ultrafine mill is commonly used calcite mill' This problem, the article analyzes the three common use of equipment, in these three kinds of equipment, when the Raymond grinding equipment Common, but also for each of the advantages of equipment processing were analyzed, of course, different equipment options, with different investment costs, so customers choose the time need to be based on their actual situation.

January 02 2018


requirements on portable crusher plant

This constitutes a closed the crushing and screening system, to realize the circulation of the material crushing, improve raw material utilization and product uniformity. According to the actual production of different needs, can remove the vibration sieve, change into other equipment. Primary crushing material passes through portable crusher plant, t crushing equipment directly with other specific operation. 
The biggest advantage of our products is that it can be well combined with other equipment, consisting of different production lines, convenient and flexible. Shanghai Zenith is a company with more than 20 years of development, production experience with a professional manufacturer of coarse crushing portable crusher plant. 
All our products are equipped with the international advanced technology, combined with the design characteristics of China's mineral industry, quality and reliable. Whether they can meet the mobility needs in mining site or on the road. In order to make our equipment more widely available, I can according to the customer's site, materials, grain  requirements on portable crusher plant special customization.

December 22 2017


The structure of ore milling equipment

Under normal circumstances, because the machine day and night during the operation of the loss is very large, so the replacement parts, downtime inspection is the end of the operation of the machine through the glass and the ore milling equipment life than other grinding equipment are longer, And the reliability of the operation is higher, if the case of downtime replacement, downtime inspection time is short and easy parts replacement. , In addition, RP in the speed of the mill in the work process, the fine grinding of coal powder is also related to the quality of power plant combustion.

After the RP-speed pulverizer completes the grinding and grinding work, the pulverized coal is blown into the boiler by heat, and then the hot flue gas formed by the pulverized coal after the boiler is fully combusted will be exothermic along the boiler flow. Ash separation. RP medium speed pulverizer grinding efficiency and fine degree have a good guarantee, then easier, the coal in the boiler full combustion, but also can improve the utilization of coal and reduce the possibility of environmental pollution.

December 19 2017


ultrafine mill is the main direction of development

Guangdong customers: manufacturers in Guangdong are like to buy the whole set of milling equipment, because a production line of all the equipment is with each other, the common role. The material is transported from the ultrafine mill to the grinding chamber of the ultrafine powder stream mill, during which the material is rolling between the roller and the grinding ring. In the end of the grinding process but also on the classification of materials to meet the requirements of fine materials into the finished product collector, too thick material to re-grinding.

In the process of classification of the material, the advantages of ultrafine powder air mill is reflected in the wind can be used to ensure that the wind power analysis machine power source. On the one hand the size of the wind uniform and stable, on the other hand clean and clean air, will not cause pollution of the powder.

These are some of the domestic customers to use some of the views of the mill, in our 2000 questionnaires, more than 65% of customers tend to choose ultrafine air flow mill. Milling industry gradually from the use of traditional resources to the direction of the development of new technologies, in order to meet the needs of the market, energy saving and ultrafine powder technology promotion will become a new way of development of milling equipment.

December 05 2017


the role of ore milling equipment

ore milling equipment is a large thermal power plant to improve the efficiency of coal an important means, so the role of ore milling equipment for the general power plant is very important. ore milling equipment parts high and low speed, put the ore milling equipment into high-speed, medium speed, low speed three different types. The pulverizer motor is the main power system of the pulverizer, the speed of the pulverizer motor speed is generally about 40 ~ 300r / min, and because the mill mill mechanical structure compact area is small, the operation is more light Energy saving and environmental protection, so that the speed of the ore milling equipment to become the most widely used in the thermal power plant. In the coal-fired power plant in the thermal power plant, the ore milling equipment and the matching motor is an important component of the equipment, its operation safety and stability is directly related to the whole work of the thermal power unit, the mill and the matching motor can reach the 'test Not the quality of the tile 'is the real security and stability.

November 14 2017


Advantage analysis principle of vertical roller mill

vertical roller mill machine in the production line should not be underestimated, also becomes more and more important, the vertical roller mill specifications can be divided into many kinds, of course according to different material requirements, different yield will be equipped with crusher is different, of course, after the selected end manufacturers, professional manufacturers will be equipped with professional and technical personnel give some guidance, therefore, to understand the relevant knowledge of vertical roller mill for customers is very important.

This illustrates, vertical roller mill prices may only second factors, high efficiency and high quality customers want most is the equipment, because of high efficiency and low consumption equipment can bring greater benefits to the customers, at the same time, vertical crusher because it can meet the requirements of environmental protection, caused by dust pollution is very little, so very popular, compared with crusher is similar, with high crushing rate, less abrasion, low noise, convenient maintenance and many other advantages, when customers purchase play vertical crusher, vertical crusher will find principle is not complex, but the full automatic operation of the device is very convenient. Therefore, with the rapid development of Chinese cities, believe that vertical crusher market will be more clear.

November 10 2017


the speed of ore milling equipment

ore milling equipment is a large thermal power plant to improve the efficiency of coal an important means, so the role of ore milling equipment for the general power plant is very important. ore milling equipment parts high and low speed, put the mill into three different types, of which the power plant in the most commonly used pulverizer, so the correct installation of the mill is very important.

The main ore milling equipment is the coal in the machine in the coal first sent to the ore milling equipment into the pulverized coal, and then through the conveyor belt will be driven by hot air into the exhaust fan, and then into the boiler furnace Internal combustion, which is the general working principle of the mill. ore milling equipment is an important guarantee for the full combustion of pulverized coal in power generation, so the construction of ore milling equipment is particularly critical.

General power plant in the speed of ore milling equipment speed is generally 40 ~ 300r / min or so, and compact structure covers an area of ​​small, more efficient operation of energy saving and environmental protection, is currently in the thermal power plant using one of the most widely used, so control Personnel also need to have a simple knowledge of medium speed ore milling equipment maintenance. The ore milling equipment is an important equipment in the coal-fired power plant of the thermal power plant. The safety and stability of the ore milling equipment are directly related to the whole work of the whole thermal power unit.

November 01 2017


ore milling equipment spare parts

Therefore, the choice of the medium-speed mill is very important The Power plant in the speed of the mill's 'trial delivery of the tile' refers to the power plant medium-speed mill of the Ukrainian bearing in more than 60 ℃ high temperature work to maintain a stable state, not because the bearing temperature and export lubricants temperature Of the high temperature and lead to vibration at the bearing seat and then melt, there is power plant in the speed of ore milling equipment operation 'of the tile' phenomenon.

Only the power plant in the speed of ore milling equipment 'trial operation of the tile', in order to allow the entire fire power unit safe operation In addition, the medium-speed mill spare parts in the selection of the work process, the fine grinding of coal powder is also related to the The power of the power plant is burning. In the power plant after the speed of the mill to complete the grinding and grinding work, will be through the heat of the coal into the boiler, and then the coal combustion in the boiler after the formation of hot flue gas will flow along the boiler to exotherm, follow-up Coal ash separation. Power plant mill speed grinding mill grinding efficiency and fine degree has a good guarantee, then easier, the coal in the boiler full combustion, but also can improve the utilization of coal and reduce the possibility of environmental pollution.

October 31 2017


the realization of the continuous operation

In addition to computer operation and automation control mentioned above, the mobile crushing station in coal dressing has a distinct advantage can be equipped with single power group, if a sudden power outage, crushing station can still continue to work, the realization of the continuous operation of production line. 

Compared with the same industry equipment, station price advantage is also evident broken construction waste crusher, and ordinary compared to crushing production line, production capacity is increased by 40% and the equipment investment can be reduced 20%. Developed countries in Europe and America, station performance advantage by virtue of its mobile convenience, environmental protection and efficient mobile crushing, used in the construction waste crusher market share abroad reached 60%-70%. 

Opencast construction waste crusher can be used in the development of coal, believe that will bring great economic benefit, led the mining industry usher in a new world, continue to maintain the leading in the development process of traditional energy.

October 27 2017


sand making machine assisted highway construction

Related news reports, Twelfth Five Year Plan period, will accelerate the construction of roads, focus on the development of the highway network construction, by 2015 to achieve the's highway to 812 kilometers. Highway construction is a sign of the level of modernization, for 17 consecutive years ranked first in the sub provincial of  has realized high speed connecting the center and county area, one hour tour in to become a reality. 

highway plan is next, sand making machine will continue to exert its advantages, to provide high-quality aggregate for road production line. expressway construction is the peak in 2005-2007 years, 3 years Liqinglai Expressway section, section of Rong Wu high speed feeder, Rong Wu high-speed segment and that Ping speed such as highway 4 also completed, the traffic mileage of 700 kilometers, it is road construction dazzling history, the glory belongs to the wisdom of the people of  also belong to the sand machine manufacturers.In order to complete the state of highway layout in advance, the manufacturers were upgraded to the sand making machine, the introduction of Germany advanced sand technology, combined with the of sand resources, the analysis of yield and quality standard of highway aggregate, design the mechanism of sand production line of high cap efficiency.

October 26 2017


The working principle and structure

Coal is the main power plant of domestic thermal power plants, ultrafine mill power plant power required to burn the raw coal to the high degree of precision of the coal, is conducive to improving the coal in the power generation efficiency. Conventionally, according to the different speed of coal parts, the mill will be divided into high-speed, medium and low speed three different types, and in accordance with the different discs are divided into flat grinding, bowl grinding, E-grinding and roller mill Different types of medium-speed ultrafine mill due to small footprint and low energy consumption, by the power plant more widely favored, so belong to the medium-speed mill of ultra-fine pulverizer to be more widely used.

ultrafine mill working principle with the other ultrafine mill working principle is roughly the same, through the workers in the coal bucket of coal should first be sent to the ultrafine mill into the pulverized coal, and then through the conveyor belt will Pulverized coal in the hot air driven into the exhaust fan, and then into the boiler furnace combustion. Grinding stone and grinding bowl ultrafine mill main components, grinding stone and grinding bowl in the ultrafine mill running in the process of 50 ~ 300r / min relative movement, the coal with the desiccant into the ultrafine mill for grinding, The whole process of grinding coal is grinding stone and grinding bowl-based raw coal.

Reposted bykuangshanposui kuangshanposui

October 24 2017


ultrafine mill in stone production line

In the process of milling, in order to achieve the product size of the market requirements, you can use ultrafine mill, not only reduces the wear and tear of the equipment wear problems, but also can reduce maintenance costs, the continuous operation of the production line does not affect. ultrafine mill is a closed-loop high-fine powder equipment, because it is a vertical structure, in the limestone production line covers an area of ​​very small, independent system can be completed from rough to the final packaging and a series of processes.

To sum up, we improve the production capacity and optimize the material size of two aspects of how to improve the production of 2500 mesh ultrafine limestone powder production line gives a detailed optimization program. Industry demand for building aggregate is getting higher and higher, especially in the construction industry, lime powder is also a strict requirement. We believe that ultra-fine lime powder production line will give your market development to bring a new access point, with excellent product quality access to the majority of customers agree.

October 23 2017


stability of the ultraifne mill

The safety and stability of the ultraifne mill are directly related to the whole work of the whole thermal power unit. Therefore, the choice of the pulverizer It is especially important that the pulverizer thermocouple is an important instrument for measuring ultraifne mill production data. Mill of the 'trial operation of the tile' refers to the power plant medium-speed ultraifne mill of the Ukrainian bearing in more than 60 ℃ high temperature work to maintain a stable state, not because of the bearing temperature and the export of lubricating oil temperature caused by rapid high temperature Bearing seat vibration intensified and then melt, there is the operation of the ultrafine mill in the 'tile' phenomenon.

The use of pulverizer thermocouple can be relatively accurate measurement of the operating parameters of the ultraifne mill, is conducive to the production and maintenance of ore ultraifne milling equipment. In the selection process, the fineness of pulverized coal grinding is also related to the quality of the power generation combustion of the power plant. Pulverized coal in the grinding machine to complete the work of grinding, the machine will be hot air blown into the boiler for full combustion, and coal combustion in the boiler will produce hot flue gas, these hot flue gas will flow around the boiler around the heat, And then follow-up separation of coal ash. Thermal power plant with ultraifne mill for pulverized coal pulverized coal powder fineness and grinding efficiency has a very good protection, the fineness of the coal so much easier to burn in the boiler, can improve the use of coal Rate, reduce the possibility of environmental pollution.

October 20 2017


Raymond mill has been widely used

Raymond mill, a lot of lay people are relatively unfamiliar words and mechanical equipment. For Raymond mill, we can know that he is fine grinding, the scope of application is very wide, and there are many different classification, the formation of different Raymond mill specifications, but also because of its meticulous classification to adapt to the development of various industries , Making it the benchmark within the industry, by the mechanical industry who praise and love.

So, the following for Raymond mill series, we have a detailed understanding, while understanding the issue of Raymond mill models. We all know that Raymond mill has been widely used, with its wide range of applications are closely related, and this, making Raymond more stringent subdivision, Raymond mill series will have more more comprehensive The specification model.

So, below we understand the basic problems of Raymond mill to understand the division of its specifications. First of all, we often say Raymond mill series also known as the industry Raymond mill, the English full name Raymondmill.

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