Innovation Provides New Opportunity for Crusher

As is known to all, the future of Construction Waste Crusher industry in China is bright, the investment environment is favorable. Therefore, many enterprises have joined in the crusher market. As a result, crushers vary in quality and function, with so many different crushers mixed in the market, people are at loss when they try to purchase. The direct impact is on its development on the international stage because people overseas will lose confidence once they order inferior crushers.

With the rapid development of economic growth, many domestic enterprises have entered into Construction Waste Crusher mining machinery industry, and they try to find their own place in the fierce competition. The situation provides favorable conditions for new research and technology innovation of crusher, and lead to the flourishing development of crusher industry. we focuses on product innovation and high-tech introduction and breaks out of encirclement. The cone crusher we manufactured includes spring cone crusher and GNY series single cylinder hydraulic high-energy cone crusher. In addition, Machinery is also active in the pursuit of more sustainable production in order to reduce the carbon footprint and environmental pollution. Other than cone crusher series, the impact crusher is also a hot cake which enjoys great popularity among customers home and abroad.

With nearly 25 years of Construction Waste Crusher production experience, our company has first-class product technology, quality of service superb. It is specialized in the production of crusher, sand-making machine, mobile crushing and powder separator. They produce equipment such as cone, jaw and hammer crusher and etc. They have long been pursuing products with high quality, high efficiency and energy saving. Some products are exported overseas even in the middle East, east Asia, Europe, Africa, South America and other regions. Faced with such intense competition environment, we analyzed the common problems lie in crusher, organized professional technical team to find out causes of the problems and try to figure out improving methods. They have made breakthrough progress in innovating new type of crusher equipment. Not only did they improve the work efficiency of crusher, but also open up an outlet in international market.

Damage Assessment and Prevention of Bearing impact crushers

Identifying and analyzing the Construction Waste Crusher root cause of bearing failure is critical to preventing similar failures from occurring again. Many bearings that fail are removed and replaced too quickly without sufficient levels of analysis into what caused their failure. This means that similar failures could reoccur, resulting in further damage and costly unscheduled downtime. Examination of the failure mode often reveals the true cause of bearing failure, but this procedure is complicated by the fact that one failure mode may initiate another. For example, corrosion in a ball raceway leaves rust (an abrasive) that can cause wear, resulting in loss of pre-load or an increase in radial clearance. The wear debris can, in a grease-lubricated bearing, impede lubrication, leading to lubrication failure and subsequent overheating.

Companies can address these Construction Waste Crusher issues by developing a systematic procedure for securing and inspecting bearings once they become damaged. Engineers should not wait until the bearing failure becomes catastrophic, as this makes root cause analysis difficult. Instead, engineers need to perform regular monitoring and inspection of the bearings. When precision ball bearings or rolling bearings fail, the results can be costly in terms of machine downtime and ‘lost’ production. Fortunately, catastrophic failures of bearings are rare. Usually, there are distinct symptoms that indicate the type of damage incurred long before the bearings actually fail.

Experience shows that Construction Waste Crusher damage to, and subsequent failure of, bearings is seldom due to faults in the bearings themselves, but more often due to the treatment they have received or the use to which they have been put. Often, the first sign of damage is indicated by unusual operating behavior of the bearings. This can take the form of uneven running, reduced working accuracy, unusual running noises or any combination of the three.

Optimized Crusher Selection for the Cement Industry

The characteristics of raw materials required for the cement Construction Waste Crusher production differ at a wide range. The limestone deposits used today as base material, show very different properties regarding hardness, abrasiveness and stickiness. To optimize the crushing process as well as the investment and operating costs, different types of crushers are available. To make a proper selection, several important points should be considered in advance. According to the above overview, one step crushing can be achieved by operating Jaw Crushers or Impact Crushers. These crusher types are fast running machines providing high kinetic energy, resulting in strong impact forces and high crushing ratios.

The allowable maximum Construction Waste Crusher compressive strength of 320 Mpa is normally sufficient for most of the limestone applications. The silica content is an important issue to be considered before using Jaw Crushers or Impact Crushers. Due to the high speed of the rotors, the crushing tools are vulnerable to wear. The very first step should always be an analysis of the quarry, and especially the characteristics of the raw material. Of prime importance is the hardness of the material to be crushed. To describe this property the compressive strength, the Los Angeles Index or the Mohs Hardness should be determined and a point load test should be carried out. The abrasiveness of the material has to be described by its Silica and free quartz content, as well as the abrasion index.

Just as important is an Construction Waste Crusher expression of the stickiness. For this reason the moisture, the clay content and, in very difficult applications, the handling coefficient (shear test) has to be ascertained. Based on this data an overview of the selection criteria allows a pre-choice of the required crusher. Primary crushing of limestone for the cement production requires high crushing ratios to reduce the material in a single step, down to the required grain size (approx. 0 – 25/80mm) for the raw mills. It should always be the aim to have as few crushing steps as possible, in order to minimize the investment and maintenance costs and time.

Improvement Aim of Crushing Chamber

A Construction Waste Crusher is a machine designed to reduce large rocks into smaller rocks, gravel, or rock dust. Crushers may be used to reduce the size, or change the form, of waste materials so they can be more easily disposed of or recycled, or to reduce the size of a solid mix of raw materials (as in rock ore), so that pieces of different composition can be differentiated. Crushing is the process of transferring a force amplified by mechanical advantage through a material made of molecules that bond together more strongly, and resist deformation more, than those in the material being crushed do.Crushing chamber specially created as outlined by particles the key drain and speed matching can significantly increase the degree of comminuting, overall performance along with the percentage of cubic final item of crushed materials.

Energy conservation and consumption reduction plays an important role in all Construction Waste Crusher industrial production and research work. Especially under the circumstances of tense energy supply and high production energy consumption, energy conservation has more actual significance. As an indispensible link of the mineral exploitation and processing, crushing, is vital importance in the energy conservation and consumption reduction, for this reason, analyzing the crusher mechanism has profound significance.

Crushing machines is a kind of indispensible mechanical Construction Waste Crusher in the crushing process and they are widely used in the crushing process of all kinds of materials and energy conservation and consumption reduction. For this reason, the fields with high enrgy consumption such as mining, metallurgy and building should be developed with priviledge and should be given a lot of attention. The mining machinery manufacturing companies should improve the existing crushing theory and change the crushing methods of traditional crushing chambers; adopt different crushing methods according to the granularity and physical features of different materials; change the crushing force used on different materials according to different frequency which will be able to produce better crushing effect and significantly improves the production ability, thus realizing the purpose of “more crushing and less grinding”, “replacing grinding with crushing” and energy saving and consumption reduction.

Developing Status and Trend of Crushing Machines

Ore Milling Equipment is a primary, indispensible and important stage in the processing process of the brittle material. With the fast development of the modern society and economy, the social demand for and the production scale of various kinds of metals and non-metals, chemical minerals and cement, building materials and other materials are expanding increasingly and the quantity of the materials that are broken is also increasing in a fast way.

Ever since 1990s, the quantity of the Ore Milling Equipment crushed materials in the whole world every year has reached more than 10 billion tons. The annual output of brittle materials in our country has reached almost million tons, among which the iron ores accounts for 240 millions tons, nonferrous metal mineral 100 million, non-metallic mineral 230 million and functional mineral material 30 million. The majority of these material needs to be crushed, and then we can see that the crushing process plays a significant role in the national economy. In the crushing process, the consumption of electricity, still and raw materials is extremely huge, for this reason, the energy saving and consumption reduction in this field will produce significant social benefits and economic benefits and have important and profound meaning, so that this task is very urgent.

Under the appealing of the Ore Milling Equipment urgent requirement of energy saving and consumption reduction in the crushing engineering field, many kinds of new crushing equipment are researched and developed in recent years and the situation of fierce competition begins to show up. In the competitive tide, many machines that gained considerable fame for a period of time just cannot stand the test of time and quickly retreat from the market. To the contrary, some other kinds of crushing and grinding machines such as cone crusher and highly efficient Raymond mill stand out in the competition and consolidate their position in constant self improvement and upgrading and updating.

Suitable Crushers Employed in Construction Waste Crusher

On the other hand, those disposed wastes can be processed Construction Waste Crusher directly and transformed into raw materials that are used to make building materials, thus, a perfect wastes reuse circle is now created. Besides, the circle can save more resources and is environmental-friendly. Then, the problem is that which kind of crushing equipment is the most suitable machine in dealing with the building wastes. We are famous brand in crushing and screening equipment manufacturing. Since its establishment, we have been building its brand with great effort.

At present, has developed various products with independent innovation such as Construction Waste Crusher, cone crusher, mobile crushing station, sand maker and construction wastes crusher equipment. The equipment mentioned above is undoubtedly on the spotlight and welcomed by many related industry. Here, I want to put more emphasis on mobile crushing station which can simplify the process of building wastes disposal. In recent years, large numbers of old building are broken down while new ones are being built. mobile crushers now play a key role in this urbanization process. It is the most suitable equipment for wastes disposal.

The crusher methods are roughly Construction Waste Crusher divided into two: First, wastes are gathered to a certain place and deal them with different stone production line. This fixed sand stone production line consists of the following machines like jaw crusher, impact crusher, cone crusher, built conveyor, etc. will provide the users with the most optimized design to satisfy customers’ need according to their specific requirements. Second, decentralized approach can be applied. The clients can use mobile crushing station in accordance with the unique characteristic of different construction wastes. The station can be moved from one site to another, which makes it very convenient for users to finish the work. At the same time, the mobile station can save a lot of money.

Normalize the Rotary Speed of Jaw Crusher

The experiment shows that with the improvement of the rotary speed of the Ore Milling Equipment, the electricity consumption crushing every 1 ton materials will significantly improve which is a key project index in the quality supervision and examination, and in addition, the final output will be obviously low. The speed of the output side is detected and fed back to the adjustment gage, to control and adjust the clutch hydraulic pressure, and thereby control speed. However, if the rotary speed is resumed to the originally designed speed, then the electricity consumption crushing every 1 ton materials will reach the national standard, and the final output will improve as well. These facts show that the operational rate has an important influence on the energy consumption and output of the jaw crusher. For this reason, jaw crusher needs a reasonable rotary rate. Then what rotary rate is the most reasonable?

Generally speaking, when selling jaw crusher, our Ore Milling Equipment Machinery will always implement the “three guarantees” (for repair, replacement or compensation of fault products) policy and the guarantee repair policy that the machine can be repaired for free for a year other than the easy-wearing parts. According to the feedbacks of the jaw crusher three guarantees service, we find that there prevails a wrong concept among the customers that the higher of the operational rate of the jaw crusher, the higher the output will be; so many users improve the operational speed at their own will which caused some accidents.

After the research of the technical department of Ore Milling Equipment Machinery, on the same jaw crusher, if the rotary rate is improved, the no-load power of the jaw crusher will increase in a geometric progression. That is to say, if the rotary rate is increased one time, the no-load power will increase to four times of the original one. On the contrary, if the rotary rate is decreased by one second, the no-load power will respectively decrease to one fourths of the original power, in this way we can get the internal relationship of the energy consumption, output and the rotary speed of the jaw crusher. It reminds us that in order to avoid energy waste, when designing the rotary speed of the crusher, as long as the rate is able to reach the impacting and crushing effects to the crushed materials, the rotary speed can be designed as low as possible, which will not only save large quantity of energy, but decrease the vibration and noises of the equipment, decrease the alternate stress of the main bearing, lower the centrifugal force of the rotor, extend the service life of the bearings and minimize the unsafe factors.

What are the Advantages of Vertical Mill over Ball Mill?

Grinding is an important technical link in the Ultrafine Mill production of cement, as it not only determines the unit electricity consumption of cement production, but has great influences on the performance of cement. For a long time, cement grinding is completed inside ball mill as it has the features of simple structure, reliable operation, convenient maintenance and management, strong adaptability for the materials, continuous production, big production capacity, big grinding ratio and easy control of the fineness of the final products. However, the effective energy availability is only 2%-5%, and the majority of the rest energy is changed into heat energy, and the economic benefits are not optimal.

In recent years, traditional Ultrafine Mill is improved and updated, and new type of powder separation closed-circuit system is adopted and the cement grinding technology is developing rapidly. Especially the application of vertical mill greatly reduces the energy consumption of grinding slag cement and improves the grinding efficiency. vertical mill is integrated with tertiary crushing, drying, grinding, powder separation and conveying and is the best choice for processing slag and cement. Then compared with ball mill, what are the advantages of vertical mill.

High powder grinding efficiency. Ultrafine Mill adopts material bed grinding principle to grind the materials, so that the grinding efficiency is improved by 30% than that of ball mill. 2. The technical process is simple and saves infrastructure investment. Vertical mill has a separating machine, and uses hot smoke to convey the materials, so that no powder separating machine and elevating machine are needed. The gas containing dust will directly go into the powder collector for collection, so that the grinding system is simple, the failure rate is low, running rate is high. 3. Strong drying capacity. Vertical mill adopts hot air to convey materials, and when grinding materials with high water content, the inlet air temperature can be controlled to make sure that the products will reach the final water content. Vertical mill can dry the materials with the water content 12-15%.

Selection Considertions of the Working Speed of Ultrafine Mill

The selection of the working speed of Ultrafine Mill is very important since it influences the production efficiency of Ultrafine Mill. Here will explain the conditions should be taken into consideration in the selection of the working speed of ball mill: (1) The surface shape of scale board: The surface shape with convex edge can reduce the relative sliding of crushing media. For this reason, if the workers increase the hoisting height, the working speed of the ball mill should be lower than that using smooth scale board.

Mineral hardness and Ultrafine Mill fineness: When roughly grinding the hard and large pieces of rock, you should use larger crushing media and higher working speed, which will be helpful to increase the impacting effect on the materials. On the contrary, you’d better use smaller crushing media and lower working speed in order to strengthen the crushing and grinding effects and reduce energy consumption. Grinding methods: As for wet type grinding, due to the lubricating effect of water, there will be obvious relative sliding between the crushing media and the scale board.

Therefore, on the similar condition, the working speed of wet Ultrafine Mill should be improved by 5% higher than that of dry type ball mill. Filling ratio of crushing media: The lower the filling ratio is, the higher the relative sliding will be. For this reason, the working speed should be higher. Through abundant experiment and rich experienced information, it was believed that improving the working speed of Ultrafine Mill is beneficial from the perspective of output. The domestic experiential data shows that when the working speed is increased, the productivity can be greatly improved. But the life of scale board will be rapidly decreased and the power consumption will increase. Consequently, the working speed of the ball mill is often adjusted between 76% and 88%.

Ore Milling Equipment Introduction

Ore Milling Equipment is suitable for crushing materials with particle size more than 3mm. According to the difference between feeding opener and output sizes, they are usually separated: primary stone crusher, secondary stone crusher (medium crusher) and fine stone crusher. stone crusher can used as slag crusher, quartz crusher, lime stone crusher, granite crusher, iron ore crusher, marble crusher and so on. Stone crusher aggregates are used for construction of roads, bridges, housing, industrial building construction and other cement based products like RCC pipes, PSC poles, pre-molded slabs, frames and beams, etc for fabrication. It is advantageous if the Stone crusher unit is set up near the quarries where the granite boulders of various sizes are available for the crushing unit. The wastage from the granite industry will be of much use to the Stone crusher unit.

Stone Crusher Manufacturing Process

The granite stones of various sizes are fed into the Ore Milling Equipment for size reduction. Depending on the desired output size of the Stone crusher, the raw material may be fed to one or two jaw crushers in a sequence. Then these Stone crushers re passed on to the rotary screen for size gradation. Material is handled through a belt conveyor to the different places of operation i.e from jaw crusher to the rotary screen. Stone Crusher Introduction. Stone crusher is segregated into various sizes like 35mm, 20mm, 12mm, etc for different uses.

Ultrafine Mill is widely used in mining and construction industry, metallurgy industry, building material, highway, railway, water conservancy, chemical materials and many other departments, the stone crusher contains PE jaw crusher, PEX jaw crusher, PF impact crusher, cone crusher, VSI crusher and mobile crusher. The stone crushing units can be seen in the vicinity of almost all major cities and towns. Stone crusher features large crushing rate, high yield, equal product size, simple structure, reliable operation and easy maintenance, economic operating costs etc.