What Are the Advantages of Mining Circular Vibrating Screens
Date: Apr. 15, 2022
Mine circular vibrating screen is a new type of vibrating screen, which has the characteristics of reasonable structure, high screening efficiency, and low vibration noise. So how does the mining circular vibrating screen work? What are the advantages? Mine circular vibrating screen structure Mine circular vibrating screen is mainly composed of a screen box, exciter, suspension (or support) device, and motor. The motor drives the main shaft of the exciter to rotate through the V-belt, and the screen box vibrates due to the centrifugal inertial force of the unbalanced weight on the exciter. By changing the eccentric weight of the exciter, different amplitudes can be obtained. Working Principle of Mining Circular Vibrating Screen During operation, the motor drives the V-belt and the exciter’s main shaft into rotary motion. The centrifugal inertia force generated by the unbalanced weights on the exciter forces the screen box to vibrate. Material on the screen surface is thrown upward by this force, moves forward a certain distance, and then falls back onto the screen surface. This repeated cycle completes the screening process. Additionally, the amplitude of the vibrating screen can be adjusted by modifying the weight and position of the counterweights. Advantages of Mining Circular Vibrating Screen 1. The mining circular vibrating screen utilizes a cylindrical eccentric shaft exciter and partial blocks for amplitude adjustment. It features a long material flow path and supports multiple screening specifications. Key benefits include a reliable structure, strong excitation force, high screening efficiency, low vibration noise, durability, ease of maintenance, and safe operation. 2. The drive system of the mining circular vibrating screen employs petal-shaped couplings and flexible disc couplings, featuring a simple structure that is easy to manufacture…
Date: Apr. 09, 2022
Hydrocyclone structure The upper section of the hydrocyclone is a hollow cylinder, while the lower section is an inverted cone connected to the cylinder. Together, these components form the working chamber of the hydrocyclone. The top end of the cylindrical body features a tangentially mounted feed pipe, along with an overflow pipe and conduit at the apex. A grit chamber is located at the bottom of the conical section. These parts are joined using flanges and bolts. Feed openings, barrels, and underflow outlets are typically lined with rubber, polyurethane, silicon carbide, or diabase cast stone to minimize wear and facilitate replacement after service life expires. How a hydrocyclone works Separation of the mixture during high-speed rotation is achieved by leveraging strong centrifugal force. In a classic static hydrocyclone, for instance, external pressure drives the feed mixture into the cyclone at high velocity. As the mixture enters tangentially, it induces liquid rotation along the cylinder wall, commonly referred to as outer vortex flow. Particles in the external swirling flow are subject to centrifugal force. If a particle’s density exceeds that of the surrounding liquid, the centrifugal force acting upon it increases. Once this force surpasses the fluid drag resistance generated by…
Date: Mar. 24, 2022
The oil fracturing sand production line, newly developed and manufactured by Longzhong Heavy Industry, offers significant advantages including high output capacity, superior efficiency, stable operation, and consistently rounded product particle sizes. Our company specializes in the customization of sand and gravel production lines for materials such as quartz sand, silica sand, kaolin, and potassium sodium feldspar. With years of dedicated experience in the design and manufacturing of mineral processing equipment, we have accumulated extensive expertise in this field. This long-standing industry presence has enabled us to build a strong brand reputation among enterprises in the mineral processing sector. The production line process flow is as follows: raw material intake → pre-screening → scrubbing → desliming → magnetic separation → washing and dehydration → drying → final screening. This series of mud purification procedures ensures the production of high-quality oil-fracturing sand. Working Principle Fracturing sand is stored in a silo and screened using a linear vibrating screen. Particles smaller than 20 mesh undergo magnetic separation via a magnetic separator before entering the scrubbing machine for washing. As the material passes through the scrubber, it is thoroughly agitated and cleaned, with the resulting sludge proceeding to secondary magnetic separation. The sand is…
Date: Mar. 18, 2022
Vibrating screen | circular vibrating screen generates high-frequency vibrations during operation, inevitably accompanied by noise. To address this comprehensively, we have summarized key strategies ranging from structural design optimizations to specific measures for vibration reduction. 1 Vibration Isolation When an elastic pad (vibration isolator) is installed between the vibrating equipment and the supporting structure, only a portion of the disturbing force is transmitted to the structural members through the isolator. The effectiveness of vibration isolation is quantified by the vibration isolation coefficient: the lower the coefficient, the better the isolation performance. To achieve superior vibration isolation, the system’s natural frequency must be minimized, necessitating the use of highly elastic materials for the isolation pads, such as soft springs or rubber mounts. 2 Rational Selection of Structural Stiffness Common methods to enhance structural stiffness include shortening member lengths, increasing cross-sectional dimensions, and reinforcing end connections. For instance, rigidly connecting the beam ends that support mine vibrating screens or circular vibrating screens directly to the retaining wall significantly reduces floor slab vibration. When designing with consideration for the combined stiffness of beams and slabs, it is advisable to increase the design thickness of the floor slab. 3. Rational Equipment Layout Since the…
Date: Mar. 18, 2022
The overall production line is divided into five working stages: raw material mining, drying and pre-screening, water washing, and concentrate drying. It effectively addresses challenges such as , washing, tailwater purification, and dry discharge of solid waste. The finished product achieves optimal round sand particle size and higher compression values. The entire production line features high output, superior efficiency, stable operation, and customizable equipment configurations tailored to specific customer requirements. Production Line Introduction Oil fracturing sand is a ceramic particle product characterized by high fracturing strength, primarily used for downhole support in oil fields to enhance oil and gas production. For a single oil fracturing sand production line with a capacity of 50t/h (finished product), the process design and equipment selection were developed through a comprehensive assessment of Longding Environmental Protection Technology’s operational realities and cost-efficiency requirements. The overall project is divided into five working stages: raw material mining, raw material drying and pre-screening, raw material washing, concentrate drying, and finished product screening and packaging. Our company is responsible for supplying machinery and equipment for the following stages: raw material drying, raw material pre-screening, raw material washing, concentrate drying, as well as finished product screening and packaging. Production Line Process…
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