The spiral sand washer and recycling machine with big capacity is a multi-functional sand washing equipment integrating sand washing, dehydration and fine sand recycling. The successful application of spiral sand washing and recycling machine in the sand washing operation has fundamentally solved many problems caused by the loss of fine sand in the traditional process. While improving the economic benefits of customers, it also helps the production line achieve energy-saving, environmentally friendly and pollution-free production. The spiral sand washing and recycling integrated machine combines the advantages of the sand washing machine, dewatering screen and fine sand recycling machine. It is widely usSed in the cleaning and recycling of building materials sand and gravel production, the cleaning and recycling of silica sand, the recovery of coarse slime in coal preparation plants and some environmental protection mud purification projects. In the past, the use of washing to produce sand and gravel aggregates may cause second-degree pollution. Through the dewatering and fine particles recovery of the sand washing and recycling machine, particles above 0.16mm are recovered, which effectively reduces the accumulation of sedimentation tank, and the treated wastewater can also be recycled, effectively solving this problem. The part of spiral blade is used to wash the sand, the vibrating…
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Ore washing is the process of scrubbing the ore cemented with clay or containing more mud with hydraulic or mechanical force to break up the ore and wash the fine mud on the surface. Before crushing or beneficiation, ore washing is a necessary preparatory operation. Ore washing can remove or reduce harmful impurities, avoid muddy materials in muddy mineral raw materials to block crushing and screening equipment, so that low-grade ore can be used economically. So the ore washing machine is essential in mineral washing plant. In the mineral processing line, all kinds of ores need to go through crushing, grinding, grading and washing before they can enter the steps of gravity separation, flotation, magnetic separation and electrical separation to separat the useful minerals from gangue minerals. The ore washing machine played an important role in this process. Ore washing can be carried out in the scrubbing machine, but also in the screening and classification equipment. What kind of mineral needs to be washed? Generally ore with more mud should be washed;If the raw materials contain soluble useful or harmful ingredients, should also be washed. The degree of difficulty in washing mineral is expressed by the washability of the ore and is divided…
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Assembling a screw sand washer is completed by the manufacturer, and will be supplied to the customers after passing the no-load test. After receiving the screw sand washer, the user should carefully check in order to timely find and eliminate the possible problems in transit. Screw sand washer is suitable for the washing, classification, removing impurities and other operations in sand and stone, metallurgy, building materials, water and electricity industries. And it has reasonable structure, convenient maintenance, large processing capacity, low power consumption, high degree of cleaning and more advantages, adjustable overflow weir plate, etc., ensuring this series of products Durability, good cleaning and dehydration effects, stable fine-grained products, etc. How to assemble a screw sand washer? Components Gearing device: include motor, size pulley, triangle belt and reducer. Spiral: including screw shaft, blade, liner. The rotation of the screw axis is dextral.The blade is solid; Lining board materials have manganese vanadium titanium wear - resistant cast iron, polyurethane. When the liner is worn out of use, it can be removed and replaced with a new liner. The liner is mounted with bolts, nuts and washers on the forward side of the screw in connection with the blade and overlaps with the…
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Spiral chute sand washing machine as a as a kind of auxiliary equipment plays a great role in the quality control of finished materials in the current sand and gravel production line. The spiral type is suitable for washing and selecting materials with large output or high impurities, especially for washing coarse and fine-grained materials for construction sand and road construction. When configuring a sand washer for a production line, not only to know the price, performance, quality, processing capacity and other information of the spiral sand washer, but also to consider the composition of the sand and gravel and the condition of the production site. Spiral chute sand washing machine is a kind of important sand washing equipment, which has been widely used in mining, gravel, metallurgy, building materials, hydropower, and other industries for washing, classification, and impurity removal. The material falls vertically from the upper part of the machine into a high-speed rotating impeller. Under the action of high-speed centrifugal force, high-speed impact occurs with another part of the material flowing around the impeller in an umbrella shape. After colliding with each other, eddy currents are formed between the impeller and the casing, and they are collided with…
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Construction sand washing device mainly removes the dust and impurities contained in the sand produced by the sand making machine through screening and cleaning of impeller, so that the finished sand reaches the construction sand standard. Therefore, the sand washing device is an indispensable equipment for stone factories and sand making plants. With the continuous upgrading of various sand washing equipment, some industry standards for sand and gravel procurement and processing have also started to rise, especially for the construction sand. There are not only various grading standards for sand and gravel, but also strict requirements for the impurity content of sand and gravel. The surface of artificial sand is rough, and the interlock capacity between the polygonal aggregate and the cement aggregate is high. Therefore, concrete with artificial sand is stronger than concrete with natural sand. But the artificial sand here is the artificial sand that meets the building standards, not just the artificial sand that has been broken. In the process of stone processing, due to the violent collision and the stone itself has a certain amount of soil content, so the artificial sand will contain a certain amount of stone powder and mud powder. The presence of…
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Sand washing machine materials that can processed are sand, gravel, aggregate, stone powder, coal, clay, iron ore, aluminum powder, glass powder, refractory, metallurgical powder, electromagnetic material, copper powder, carbon black, activated carbon and more. As the main equipment for processing natural sand and artificial sand, the sand washing machine plays an important role in infrastructure construction. The new compact spiral sand washing machine is the representative equipment of the new sand washing technology with the most outstanding performance. It stands out by virtue of the advantages of energy saving and environmental protection. Good performance, and stands out by virtue of energy saving and environmental protection. The new spiral sand washing machine can be seen in many engineering projects and sand production lines. The new spiral sand washing machine is currently a high-performance sand washing equipment. After optimized design, the material throughput is increased by about 30%, which greatly improves the material throughput. In addition, the sand washing machines have low working noise and no pollution, which greatly reduces the amount of exhaust air, reduces dust, and is conducive to environmental protection. Spiral sand washing machine is mainly used for sand washing on sand production lines. The high-quality finished aggregates that have…
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Trommel screen for municipal solid waste has initially solved the problem of municipal solid waste screening and improved the screening efficiency. Trommel drum screens mainly solve the problem of screen blockage by using the size, shape and arrangement of screen holes. The following more reasonable design of the size, processing capacity, installation inclination angle of the drum screen, and the study of the trajectory of solid waste will help improve the screening capacity of the drum screen and make it more practical. The drum screen adopts a cylinder structure, and the screen surface is a cylinder with holes. The sieve holes are arranged spirally. And in order to improve the efficiency, the length of drum can also be increased, and two types of screen holes can be opened. When working, the screen cylinder is slowly rotated around the shaft under the driving of the transmission device. The solid material is fed from one end of the screen cylinder and is carried by the rotating cylinder. When it reaches a certain height, it should fall by gravity on its own. When the vibrating screen is at a lower frequency, the material on the screen surface is easy to deposited. When the…
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Trommel screen design parameters are are mainly determined through the analysis of the main parameters and the study of the movement characteristics of the material in trommel screen. Although the trommel drum screen has been widely used, little research has been done on it. The parameters are mostly determined empirically during design. In this paper, the main trommel screen design parameters will be deduced through the study of material movement characteristics during the screening process. Trommel drum screen is a widely used screening device that classifies materials according to the granularity by using a cylinder that performs a rotary motion. The screen mesh is usually perforated plate or woven net. When the drum is working, the drum body is inclined to be installed. Drum screen has higher working efficiency in practical application. Generally, the main parameters of trommel screen should be determined first in order to meet the design requirements when sieving the specified material. The main parameters generally refer to productivity, screening efficiency, mesh size, material characteristics, drum screen speed. 1. Productivity refers to the processing capacity of the drum sieve per unit time, generally measured by volume. 2. Screening efficiency Refers to the ratio of the actual amount…
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Rotary screen drum machine price is not fixed that according to the processing capacity and size of the screen. The price of the drum sieve varies according to the processing capacity and the size of the sieve. Rotary drum screen is a large-scale screening equipment used in quarry and mines and more industries. Different from the ordinary vibrating screen, the trommel drum screen can overcome the problem of screen blocking when screening wet materials, and can effectively provide the output and reliability of its screening system. Therefore, the drum sieve is widely popular by the majority of users. What are the reasons that affect the price of drum screens? 1. Rotary drum screen quality The rotary drum screen quality in different manufacturers is different, both in the selection of materials and manufacturing process. So the price is different. Therefore, choosing the right manufacturer is almost two-thirds away from choosing the right product. Since the manufacturing process is different, the price is still different. 2. Processing capacity The size of the drum screen changes with the processing capacity. Relatively speaking, the larger the processing capacity of drum sieve, the larger the size, the higher the price. Therefore, the processing capacity is…
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Small scale trommel screen is a high-precision non-vibrating classification equipment, which has different sieving layouts and designs for different sieving needs. The development of small trommel screen is a classification equipment for river sand processing, so it is also called drum sand screening machine. Small scale trommel screen is composed of circul drum, frame, funnel, reducer, motor and other parts. Various resettlement schemes can be designed according to actual production needs. After the broken stone enters the drum, the material is sieved by the centrifugal force and jigging effect of the drum rotation, and screened through the different meshes. After the stones of different specifications are screened out, they are dropped into the belt conveyor through the funnel and sent to the finished product yard. Small scale trommel screen overcomes the problem of sieve blocking caused by various vibrating screens when screening wet materials, and improves the output and reliability of the screening system. It is suitable for screening materials with various properties, as well as wet and easily clogged materials such as coal, coal gangue, and coke slaked lime. The finest product under screen can reach below 3mm. The trommel drum screen is well received by customers. Please select the appropriate roller screen according to the…
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Generally, the sand after sand making machine needs to be washed by sand washing machine in order to be cleaner and better in quality. The common sand washing equipment are spiral sand washer and wheel sand washer. However, many users have feedback that whether it is spiral sand washer or wheel sand washer, there is a disadvantage, that is, the fine sand is lost seriously, especially the super fine sand. How to solve it? 1. Sand washing machine+dewatering screen That is, a dewatering screen is installed after the sand washing machine equipment. The amount of sand produced by the sand washer is relatively large, so the purity of the sand may not be guaranteed. After adding a dewatering screen, the sand sent to the conveyor belt will be relatively clean. The main function of the dewatering screen is dehydration, desliming and dislodging. The equipment has a large linear vibration with a low inclination angle. The sand on the screen is cleaned with an electromagnetic vibrating screen. 2. Sand washing and recycling machine This method does not use a sand washing machine, but directly uses a sand washing and recycling machine. It consists of separator, dewatering screen, impeller separator, reducer, slag paddle pump, cleaning…
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Rotary drum screen is a new type of solids material classifying equipment, which can be used in chemical industry, coking plant, mine, power plant, building materials, metallurgy and other industries. It is mainly composed of inlet and outlet, motor, reducer, frame, roller device, etc. The previous article talked about the problems that the drum sieve will encounter during the work. Today we will talk about the measures to be taken when the drum sieve fails. 1. Change the shape of the square septa In order to enable the comb plate to penetrate into the sieve ring and achieve the purpose of effectively cleaning the sieve barrel accumulation. By changing the shape of the square septum connected by the coupling shaft and the screen ring, the defects affecting the installation depth of the comb plate can be eliminated. The depth of the comb plate penetrating into the sieve ring is increased from the original 4-5mm to 12mm, and the depth of the sieve ring passing through the sieve ring is 2mm. 2. Increase the coupling shaft strength 20mm fixed steel plate can be added to the fixed position of the roller shaft coupling shaft at the entrance and exit of the screen cylinder…
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