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Sand washing machine is widely used for washing materials in industries such as gravel yard, mining, building materials, transportation, chemical industry, water conservancy and hydropower, and concrete mixing station. Spiral sand washer and wheel sand washer are two common sand washing equipments, which can be used for washing, grading and dewatering, with high efficiency for sand washing and cleaning, and improve the quality of products.
First, the sand is transported to the spiral sand washer by belt conveyor or rotary wheel sand washer. The next, with the help of motor and reducer, the screw structure can operate at a constant speed. More importantly, the screw blade structures function is to agitate material and water, along with transport them.In the washing part, dust particles and other impurities are removed with the help of water jet. The screw conveyor is installed in the container, and connected to the motor which provides power for the movement of the screw conveyor. Under the action of water flushing and screw stirring, the sand and water flow forward with the movement of the conveyor. Therefore, the washed sand is collected into the collector from the outlet.
The motor-driven impeller rotates slowly after the V-belt, reducer, and gear reduce speed. The sand enters the washing tank from the feed tank and rolls under the drive of the impeller, grinding away the impurities covering the surface of the sand and gravel, and at the same time destroying the water vapor layer covered by the sand particles to facilitate dehydration.The eject water forms a strong water flow, timely removing impurities with small specific gravity, and is discharged from the overflow port flushing tank to complete the cleaning effect. The clean sand and stone are taken away by the blade, and then the sand is poured from the rotating impeller into the discharge tank to complete the cleaning of the sand and stone.
The spiral sand washer has the characteristics of low power consumption, high degree of cleaning, good sealing structure, fully enclosed transmission device, adjustable weir plate, which ensures the equipment is efficient, durable, cleaning, dehydration effect is good, and fine-grained products remain stable.1. Simple structure and stable operation.2. The bearing is separated from water and materials to avoid damage caused by premature contamination and rusting of the machine.3. Suitable for various working environments.4. The loss of washed materials is low, and the efficiency of selective washing is high, which can fully meet the requirements of high-grade materials.5. Long service life, almost no wearing parts.6. Maintenance is required in rare cases, so the cost can be greatly reduced.
The bucket type sand washing machine has the characteristics of high height, reasonable structure, large output, and small sand washing loss. Especially its transmission part is separated from water and sand. Its failure rate is much lower than that of ordinary sand washing machine.1. The bucket sand washer has a simple structure, and the impeller drive bearing device is isolated from water and water materials, avoiding damage caused by water immersion, sand, and pollutants, and greatly reducing the accident rate.2. The loss of fine sand and stone powder is very small. The sand gradation and fineness modulus of the buildings after washing have reached the standard requirements. Except for the screen, the bucket sand washer has almost no wearing parts, long service life and less maintenance.3. Sand and stone washing machine has the advantages of convenient maintenance, large processing capacity, low power consumption and high degree of washing.
Luoyang Longzhong Heavy Machinery Co., Ltd. (LZZG) is a global provider of process solutions for the sand washing industry. Our products cover the whole processes of Sand Making, Sand Washing, Screening, Dewatering and Water & Sludge Management.
After 10 years of development, Longzhong has primary crushing, fine finish, superfine crushing and screening equipment, basically meet the various types of stone processing, mineral crushing production line.
Our services cover all aspects of on-site terrain environment survey, production line process design, raw material testing, cost requirements analysis, project investment budget, equipment installation and commissioning.
This not only has the effect of diverting large quantities of construction, demolition and excavation waste from landfill but also provides a solution in areas where there is a shortage in supply of virgin aggregate materials...
The sand washer is a kind of highly-efficient sand washing equipment, combining the advanced techniques and the domestic physical conditions of sand industry.Sand washing machine is sand washing plant, mainly used for removing dust in the ore. Impurity and dust are removed in the artificial sand production process. According to its shape, sand washing machine can be divided into spiral sand washing machine and bucket sand washer.The sand washing machine has the advantages of high cleanliness, reasonable structure and high productivity. During the washing process, little sand runs off. The transmission part is separated from the water and the fault rate of the sand washing machine is further lower than the commonly used sand washing machine, making the best upgraded equipment in the sand washing machine.
The motor, the speed reducer, the bevel gear, two pairs of coupling and the screws constitute the lifting device. The lifting device is connected by the lead screw. The lead screw and the screws are used for lifting the rotors. The back of the lead screw is connected to the lifting axis box, the abrasion-resistant rubber blankets of which are layered. One end of the center shaft is laid on the rubber.
The rotor part of mineral sand washer is composed of the center shaft, the swallow tailed iron and the screw vanes. The center shaft has the longer half and the shorter half at the ends. The longer half is tightly fixed in the bearing. Hoops, on which the angle steel is soldered, are welded on the center shaft. The swallow tailed iron, the big screw vanes and the abrasion-resistant impellers fixed by the screws should be installed based on the instructions in the pictures. On the rotors of small type classifier, the impellers are generally fixed directly on the swallow tailed iron. The impellers are double lined and rank in order according to the screw distance determined by the technology.
The box of mineral sand washer is made up of the portal frame which supports the lifting part, shell and plate welded by channel steel. There is guide rail soldered by steel plates near the inner side of the portal frame which prevents the lifting axis box from swinging when lifting materials. To contain more water for sand washing, the upper back of the box explodes open to both sides. There is an overflow tank on the upper side near the outside of the blind. The plate is determined by the length of the box and the installation of the dynamic part.
When the artificial sand washer works, the motor drives the impellers slowly after the v-belts, deceleration machine and gears slow down. The sandstone gets into the washing trough through the feeding trough and rotates and then will be ground driven by the impellers. The impurities on the surface and the water vapor coated layer enveloping the sandstone will be removed for dehydration; and when added water, it will form a strong water flow. The impurities and the foreign matters of small proportion overflow from the port, achieving cleaning effect. The clean sand will be taken away by the impellers and poured into the discharge chute.
Henan Hongxing provides a wide range of artificial sand washers with various specifications and models, such as the belt sand washer. The belt sand washer features in high efficiency and low energy consumption. The artificial sand washers produced by Henan Hongxing are warmly welcomed for reasonable price and sound services both at home and abroad.
It was attempted to separate the detergency contributions from the mechanical actions and the physicochemical actions for two different types of soils. The mechanical washing efficiency was evaluated through the washing performed under the mechanical agitation, in the absence of detergent. The physicochemical washing efficiency was examined in the washing bath with detergent in the absence of mechanical agitation. Among the washing parameters, extended washing time and higher washing temperature were effective improving the mechanical and physicochemical washing efficiencies for mineral oil and carbon black. For blood soil, lower washing temperature and extended washing time enhanced the mechanical and physicochemical washing efficiencies. For the mineral oil, the presence of both mechanical and physicochemical actions led to the effective washing performance with synergistic effect. For the blood soil, mechanical actions were observed as more contributing than the physicochemical actions. The optimized washing program could be recommended as per the contributing ratios for the specific soil types, minimizing the energy consumption and detergent usage while achieving the washing performance.
Woo, J.H., Kim, J. & Park, C.H. Contributing ratio of the mechanical and the physicochemical actions to washing efficiency of mineral oil and protein soils. Fibers Polym 15, 645652 (2014). https://doi.org/10.1007/s12221-014-0645-6
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