Sand classifier machine occupies an important position in the sand production line process. The sand washing production line has a cumbersome process from selecting materials, to screening, cleaning, dewatering, sand and gravel separation, fine sand recovery, mud purification, and sewage treatment. The sand classifier machine is mainly suitable for the washing of medium, fine and coarse-grained materials. It can be used for washing, grading, impurity removal in highway, hydropower, construction and other industries, as well as fine-grained and coarse-grained materials washing and other operations. Especially suitable for making abrasives, refractory materials, cement, quartz sand, steel sand, slag powder, copper ore, iron ore, gold ore, concrete aggregates, asphalt aggregates and other hard and brittle materials broken. Sand classifier machine is a kind of high efficiency and energy-saving sand washing equipment, which saves 50% energy than traditional sand washing machines. Sand classifier machine advantages 1. Wide range of applications and many washable materials. It can process materials within 0-30mm and provide high-quality sand and gravel to the market. 2. High efficiency and reasonable layout. The sand classifier machines have novel design, reasonable structure layout, stable working performance and high efficiency. 3. Low failure rate and long service life. Adopt wear-resistant steel, high quality manufacturing…
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Tailings sand is the product of iron ore processed by ball mill and magnetic separation. The particle size is relatively uniform and contains a certain amount of iron. Tailings sand is generally discharged as waste, but doing so will not only pollute the environment, but also a waste of resources. The tailings sand can be processed by sand washer, and then to manufacture building materials and pavement materials, such as cast stone, glass, foam material is currently a very economical processing method. Which sand washer is better for processing tailings sand? 1. Spiral sand screening and washing machine The material is fully stirred by the screw device inside the equipment to promote the mixing of soil, impurities and water in the stone. The tail water is discharged from the overflow port, and the clean stone is gradually screened under the screw device and discharged from the top discharge port. So as to achieve the cleaning, screening, dehydration and classification effects of sand and gravel materials. 2. Wheel type sand washer Bucket wheel type sand washers are divided into single bucket type sand washer, double bucket sand washer and tripple bucket sand washer. During operation, the motor drives the impeller to…
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Sand and gravel wash plant is a special production line for the production of construction sand and stone. The sand and gravel wash plant is defined according to the type of discharge. The finished products produced include stone and artificial sand, so it is also called the sand and gravel production line. Application The sand and gravel wash plants can be used for hard limestone, granite, basalt, river pebbles, slag and other materials. They are suitable for applications in hydropower, building materials, highways, urban construction and other industries. Especially suitable for the production and processing of highway surface materials, high-grade highway pavement gravel, high-speed railway passenger dedicated line gravel aggregate, hydropower station gravel material, port terminal and airport runway gravel material. Sand and gravel wash plant process The sand and gravel washing plant is 50% more energy-efficient than traditional sand making machines. It can clean rocks, gravel, river pebbles and other materials into high-quality finished sand that meets the requirements of construction sand, improving construction quality. Sand and gravel wash plant equipment has the characteristics of reliable performance, reasonable design, convenient operation and high work efficiency. The sand and gravel wash plant is mainly composed of vibrating feeder, stone crusher, sand making…
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Sand washing machinery for concrete is widely used to reduce mud content of sand in building materials, metallurgy, urban construction, highways, highways and other construction. No matter natural sand or broken sand, it is not suitable for concrete without cleaning. After being cleaned by sand washer, it can become adjustable high-performance concrete sand, and realize resource reuse and bring high profit returns to users. The influence of excess mud content on concrete 1. Impact on concrete workability When the mud content in the aggregate is high, the additive has a certain adsorption effect. The slump of the sand washing machine will obviously decrease, and the cohesion will become worse. 2. Impact on concrete strength The mud will cause the concrete to appear weak points such as pits, which reduces the density of the concrete and reduces the strength of the concrete. 3. Impact on concrete durability Mud will not participate in the hydration reaction, but will affect the normal hydration reaction of cement. So there will be cracks inside the concrete. As a result, the durability of concrete is reduced and it is easy to weather, which affects the resistance to freezing and thawing and impermeability. 4. Impact on concrete…
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The dewatering screen sizing is mainly used to process the screening and classification of granular materials of different sizes. The vibrating dewatering screen sizing can be divided into different categories according to the different screening tasks. The quality index of the vibrating dewatering screen is the screening efficiency, and the quantity index is productivity. The relationship between screening efficiency and productivity determines the screening result of the dewatering screen. Different sizing classification Dewatering sizing Screening operations to reduce the moisture content of materials. This type of screening is mainly used for the dewatering of processed products in sand and gravel production lines and coal preparation plants. Desliming sizing In order to reduce the pollution of fine coal with high ash content, the coal preparation plant screens the slime from the coal or coal-water mixture during the dehydration process. The method used is the wet screening method. Sculping sizing In order to remove the heavy medium, strengthen the clean water on the sieve to achieve the separation of the product and the heavy quality. The factors that influencing dewatering screen sizing 1. Physical properties of materials The nature of material refers to the material's particle size composition, humidity, mud content and particle shape.…
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The sand washing classifier machine is a sand washing equipment specially developed for the production of high-quality sand and gravel. The sand washing classifier machine is easy to operate and maintain, and it is a stone washing machine commonly used in the production of sand and gravel on the market. The sand washing classifier has high working efficiency in the washing, grading, impurity removal of fine-grained and coarse-grained materials. At the same time, the spiral sand washer also needs to be well maintained to ensure stable mechanical performance and give full play to its advantages. The advantage of the sand washing classifier machine is that it consumes less energy under the same output and the cleaned product has higher purity. The disadvantage is that the process of cleaning sand and stone consumes a lot of water and the loss rate of fine sand and stone is high. Spiral sand washing machines are widely used in highways, hydropower, construction, and other industries. The spiral sand washing machine can be divided into single spiral and double spiral according to the different structures. The single spiral sand washing machine has only one spiral blade, and the production and processing capacity is small. The…
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When screening wet viscous materials, the normal operation of the vibrating screen is often affected by the blockage. Because the wet fine-grained viscous materials stick to each other into agglomerates, or stick to the screen surface to block the screen holes, the effective screening area of the screen surface is reduced, and the screening efficiency is reduced. The material group is not slack and does not stratify, making the screening process difficult to complete. Therefore, the screening of wet fine-grained viscous materials is a serious problem that needs to be dealt with urgently in screening operations. Vibrating screening equipment has undergone continuous improvement and development since its appearance, and the scope of screening materials has also been expanded from time to time. In the past, for wet and difficult to screen materials, the vibrating screen always failed to achieve the ideal screening effect. However, after unremitting efforts, we have developed dry screening equipment suitable for wet fine-grained difficult-to-screen materials, which is currently large-scale screening equipment for handling difficult-to-screen materials in China. The enlargement of the screen refers to the enlargement of the movement parameters of the screen and the enlargement of the screening area. The large-scale sieve movement parameters mainly deal…
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The basic working part of coal washing and screening equipment is the screen surface, on which there are screen holes of a certain shape and size. Generally, two products can be obtained on one screen surface. The material remaining on the screen surface is called the oversieve, and the material passing through the screen is called the underscreen. Screening on several sieve surfaces with different sieve openings in sequence can obtain products of different particle size levels. The operation of dividing the mixed materials of different particle sizes into various particle sizes with a perforated screen is called sieving. The machine or device used for screening is called vibrating screen. Types of coal vibrating screen operations 1. Pre-screening In the coal preparation plant, according to the requirements of the crushing operation and the sorting operation, the raw coal is divided into different sizes to prepare for the further work of the coal. For the sorting operation, due to various coal preparation methods, a certain selected particle size is required, otherwise the sorting effect will be seriously affected, so the raw coal should be divided into different particle sizes as required. 2. Dewatering screening Sieving for the purpose of dehydration. In the…
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Stone washing machine for sale Sri Lanka mainly washes various granular materials over 5 mm, such as crushed stone, pebbles, coal, ceramic particles, etc., especially the stones with large stone powder and mud content and many impurities. The stone washing machine has a good cleaning effect and thorough separation of water and stone, which can effectively reduce the mud content and increase the strength of concrete. The market value of clean stone after washing can be increased by 15%-20%, bringing more profits to customers. The standards for finished stones include many aspects, such as the shape, particle size, mud content, and water content. The better the stone shape, the less mud content, the fewer impurities, the less water content, and the higher the quality of the finished product. Therefore, in order to obtain high-quality finished sand and recycle the powder, it is necessary to purchase a satisfactory stone cleaning equipment. Stone washing machines are widely used in projects such as sand and gravel yards, mines, building materials, transportation, chemicals, water conservancy and hydropower, concrete mixing plants, and other projects that require high finished product quality. Commonly used are bucket-wheel stone washing machines and spiral stone cleaning machines, both of which…
read more >> The limestone crushing production lines are very common in the crushing and sand making industry, with an hourly output ranging from 100t to thousands of tons. Limestone is often used as a building material and important raw material for many industries. This article takes the 500t/h limestone aggregate line as an example to introduce the equipment selection, process flow, production line layout, dust treatment, and other details of the sand and gravel aggregate line for reference. Equipment selection Three commonly used crushers suitable for limestone: 1. Jaw crusher+impact crusher+circular vibrating screen+sand washing machine 2. Jaw crusher+cone crusher+sand making machine+circular vibrating screen+sand washing machine 3. Jaw crusher+impact crusher+circular vibrating screen+sand washing machine Taking the limestone mine of a cement plant as an example, the design production line has a processing capacity of 500t/h. In addition to soil 10%, the finished products are 20-31.5mm, 18%; 10-20mm, 25%; 5-10mm, 17%; 0-5mm, 25%. Considering the rock characteristics and product ratio requirements, a two-stage crushing scheme is selected, the combined form of jaw crusher + impact crusher. The main features of this combination are good product size, low stone powder content, low total investment, low energy consumption, low maintenance and operating costs, and low noise and dust…
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The construction waste disposal line can easily and quickly realize the crushing, screening and cleaning treatment of construction waste. The sorted construction waste undergoes specific iron removal equipment to remove the iron substances. After being crushed by coarse crushing, medium crushing, and even fine crushing equipment, it is processed into reclaimed sand and gravel aggregate with a certain size. Finally, it is used in roadbed stones, non-burning bricks, cement admixtures, and many other aspects. How is construction waste recycled? 1. In the process of uniformly conveying construction waste to the crusher by the feeder, the conveyor belt will be equipped with an iron removal device, which attracts the unbreakable materials such as iron nails and steel bars hidden in it by magnetic force, and then sends it to the crusher for crushing treatment. 2. After the construction waste is coarsely crushed, the second crushing process will be crushed according to the user's requirements for the particle size of the finished product. The material discharged from the discharge port should be of the quality required by the user. 3. The cleaning and impurity removal are generally placed at the back end of the entire process, mainly for improving the quality of…
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The screening efficiency and screening effect of the drum screen are directly related to correct operation and daily maintenance. Although there is no complicated structure, such as magnetic separators, sorting machines, and other equipment, the drum vibration screening machine will also have some small failures due to various reasons during use. LZZG summarizes the following more important and prone faults for users for the great using effect and gives the corresponding solutions. 1. Screen clog or slow discharge Solution: The blockage of the screen usually leads to poor screening effect, so special attention should be paid to avoid its occurrence probability. The effective way is to develop the habit of cleaning the screen holes regularly. When the water content of the material is high and the material on the screen is too thick, the screen hole can be appropriately increased to improve the screening efficiency. If the screen has been damaged, it must be replaced in time. 2. Noise during the screening process Solution: When abnormal noise or unknown noise occurs, immediately turn off the drum vibrating screen and check whether the fastening bolts or other fasteners are loose or damaged. If the fastener is normal, check the tension of…
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