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  • (PDF) Dynamic response analysis of scraper conveyor

    2023.9.30  In view of the fact that the traditional study of the chain breaking condition of the scraper conveyor only considers the case of two-way simultaneous chain breaking,

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  • Simulation Study on Dynamic Characteristics of the Chain

    2023.12.12  This research establishes an electromechanical joint simulation model of the permanent magnet-driven scraper conveyor based on the coupling relationship

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  • Time-dependent reliability and optimal design of scraper chains

    2021.6.3  This paper aims to present a dynamic reliability model of scraper chains based on the fretting wear process and propose a reasonable structural optimization

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  • SCRAPER CONVEYOR STRUCTURE IMPROVEMENT AND

    2020.11.23  In this article, the welded scraper used in a side-double-chain scraper conveyor in a mine is taken as the research object, and the reasons why scraper is d

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  • Conveyor Chain - Designer Guide - Renold

    2018.9.12  Introduction Selecting the right chain for a given application is essential to obtain long service life. This guide has been developed for use with Renold conveyor

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  • A system reliability-based design optimization for the scraper chain

    2019.6.20  The scraper chain (Fig. 2) is the core component of the scraper conveyor; its quality and performance directly affect the working efficiency of scraper conveyors.

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  • Scraper Conveyor Structure Improvement and Performance Comparative ...

    2020.11.9  Introduction. Scraper is an important part of chain drive system of mine scraper conveyor, which plays an important role in transporting coal, rock and gravel in

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  • Time-dependent reliability and optimal design of scraper chains

    Design/methodology/approach First, the dynamic tension of the scraper chain is modeled by considering the polygon effect of the scraper conveyor. Then, the numerical wear model

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  • Dynamic Characteristics of the Chain Drive System of Scraper Conveyor ...

    2020.9.11  Abstract: The scraper conveyor is the unique transport equipment in coal mining face. Its chain drive system is the core subsystem. The dynamic characteristics of

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  • A system reliAbility-bAsed design optimizAtion for the

    2019.6.30  of the scraper chain, it is verified that the proposed method is ap-plicable. And in the last section, several conclusions of this paper are summarized. 2. The reliability modeling of the scraper chain Scraper chains as the load bearing and traction members of the scraper conveyor play an important part in accomplishing the material conveying work.

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  • Submerged Scraper Conveyors SSC system CICSA

    Submerged Scraper Conveyors (SSC) are generally used for ash removal below the coal fired boilers of large power plants. They generally use a two-chain conveying system, with a driving station using sprockets (toothed or pocket wheel type) and the chain guided by intermediate and reverse wheels following the path required for conveying the bulk material.

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  • Tech Brief: Drag Chain Conveyor Operation - CDM

    Chain conveyors including Drags, Scraper, Paddle and En Masse all start out with a continuous chain and fixed flights operating within an enclosed trough. (763) 428-9700. Home; ... The lower cost of operation is the

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  • Drag chain conveyors Scraper conveyors - DI MATTEO Group

    1 天前  The strength of our drag chain conveyors lies in their high capacity of up to c. 800m³/h and a transport length of up to 150 metres. Due to the simple operation of the reliable control systems, no specialised personnel are needed for maintenance. DI MATTEO offers completely new units from scratch and spare parts for your existing equipment.

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  • Chain Conveyors Design Calculation (400 TpH) - Academia

    Chain conveyors are also used in the painting and coating industry, ceramics, thermal treatment of metals, feed and discharge systems of boilers. In automatic painting systems the products are attached to an above head chain conveyor, keeping products off of the floor allows for higher productivity levels. f Drag and Flight Conveyors Design ...

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  • A-S-H Remote Submerged Chain Conveyor System

    2021.10.5  The Allen-Sherman-Hoff® remote submerged chain conveyor system, available from Babcock Wilcox (BW), meets these requirements. Our system design utilizes two proven technologies: the Allen-Sherman-Hoff Hydrobin® clarification and dewatering technology, and proven submerged scraper technology, to provide the best of

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  • RULA BULK MATERIALS HANDLING

    2019.11.18  Description. The Submerged Scraper Conveyor (SSC) has been designed and optimised taking key elements and design considerations into consideration. These include parameters such as: - The boiler to trough hopper and trough hopper to water sealing arrangements - Efficient cooling de-watering of the coarse ash - A reliable and

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  • The Optimal Design Model for a New Type of Scraper and

    2023.4.10  Mining scrapers are an important part of scraper conveyors. They are connected with beams, bolts, chains, and sprockets to convey materials. They are also one of the scraper conveyor parts with the highest failure rate—statistics showed a failure rate of as high as 35.8% [].On fully mechanized mining faces, scrapers can often break or fall

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  • Design, Analysis and Optimization of Drag Chain Conveyor

    2020.3.6  Drag chain conveyors are commonly utilized to transport coal, wood, refuse, or scrubber sludge in power plants, pulp and paper mills, and waste-to- energy facilities. Drag conveyors, variously called drag chain conveyors, scraper chain conveyors and en-masse conveyors, are used in bulk material handling to move solid material along a trough.

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  • Bulk handling - Scraper Conveyors Entecom

    A scraper conveyor is a type of flight conveyor. It consists of a trough in which a continuous driven chain with flights is running. The flights are scraping the material over the bottom of the casing. The material is moving forward to the discharge point The design is ideal for slower transportation speeds over short distances, on moderate inclines, or even under

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  • Time-dependent reliability and optimal design of scraper chains

    2021.6.3  From the perspective of the chain drive system, the reliability-based optimal design of the scraper chain can effectively extend its service life and reduce its linear density. Originality/value The innovation of the work is that the physical model of the scraper chain wear is established based on the dynamic analysis of the scraper conveyor.

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  • Time-dependent reliability and optimal design of scraper chains

    2021.6.3  The reliability-based optimal design of the scraper chain can effectively extend its service life and reduce its linear density and the third-moment saddlepoint approximation method for the method needs only the first three statistical moments of the state variable. Purpose This paper aims to present a dynamic reliability model of scraper

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  • Dynamic Characteristics of the Chain Drive System of Scraper Conveyor ...

    2020.1.1  The prototype SGD320/17B scraper conveyor has a design. ... Using wireless sensor network technology to monitor the tension of scraper conveyor chain can determine whether there are faults such as ...

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  • 11. Chain Pull Calculations John King Chains

    Note for (2.1) (2.5) Chain and material sliding in scraper and drag link conveyors to calculate chain pull additional parameters must be included. F2 = Coefficiency of Friction between material to be moved and sides of trough. L = portion of loaded conveyor. M = Mass of product to be carried. H = Height of sides of trough.

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  • Failure analysis of scraper conveyor based on fault tree and

    2022.5.1  The scraper used in the mine is the 17GL7-1 scraper with a mass of 70 kg. The scraper chain is sized φ34 × 126 (enhanced chain), with a mass per meter of 90 kg. The transport capacity of the scraper conveyor is 1500 t/h. The chain speed is 1.3 m/s. A 335-m long middle trough with an inclination of 30° is provided.

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  • Dynamic Analysis of the Scraper Conveyor under Abnormal

    2021.2.8  The scraper conveyor is the key coal transportation equipment on the coal mining face. The conveyor often encounters the influence of abnormal working conditions, such as stuck chains, broken chains, and impact loads, which have a great effect on the smooth operation of the scraper chain and seriously affect the safety of coal production.

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  • Scraper Conveyor - Dahan Conveyor Manufacturer

    2023.2.10  Introduction of Scraper Conveyor. Scraper conveyor is a kind of conveying equipment that continuously conveys powder, granule and small block materials in a closed shell by means of a moving scraper chain. It is suitable for closed conveying, the conveying volume is not too large, the process layout is complicated, and multi-point feeding or

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  • DYNAMIC PROPERTIES OF CHAIN DRIVE SYSTEM

    2022.6.4  scraper conveyor structure when establishing the simulation model of scraper conveyor. The chain drive system under real working conditions is a nonlinear, time-varying, and strong ... perspective of optimization design. To improve the reliability of the scraper, Zhang et al. [16] used Ansys and SolidWorks to establish a 3D model of the

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  • Fault Detection for the Scraper Chain Based on Vibration

    A scraper conveyor is a key component of large-scale mechanized coal mining equipment, and its failure patterns are mainly caused by chain jam and chain fracture. Due to the difficulties with direct measurement for multiple performance parameters of the scraper chain, this paper deals with a novel strategy for fault detection of the scraper chain based

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  • Time-dependent reliability and optimal design of scraper chains

    2021.6.3  A scraper conveyor is a key component of large-scale mechanized coal mining equipment, and its failure patterns are mainly caused by chain jam and chain fracture.

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  • Conveyor Chain - Renold

    2018.9.12  6I Renold Conveyor Chain Catalogue Conveyor Chain Details Conveyor Chain Types S e c t i o n 1 P rec isonv y h a,lk t m chain, consists of a series of journal bearings held in p rcs a to by constraining link plates. Each bearing consis ts of a bearing pin and bush on which the chai n roller revolves. The bearing pin and Cbush are case

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  • SCRAPER CONVEYORS - Technolink Conveyors

    The design is ideal for slower transportation speeds over short distances, on moderate inclines, or even underwater. Depending on the design, material to be conveyed is brought to the required height at a defined incline and then discharged. We use forked chains, round link chains as well as box scraper chains as a chain type.

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  • Design of Horizontal Tube Chain Conveyor Scraper Pitch

    2020.11.27  Abstract and Figures. Tube chain conveyor is a new type of energy saving and high efficient continuous conveying equipment with flexible traction components. Due to the lack of theory research, in ...

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  • Longitudinal torsional vibrations of the chain drive

    2023.6.6  the scraper conveyor under direct starting and chain failure conditions. Jiang et al. 20 studied the dynamic char - acteristics of a scraper conveyor by measuring the vibration signals of the ...

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  • Coal handling along the supply chain - ScienceDirect

    2023.1.1  Portal scraper reclaimers consist of a boom with scraper blades suspended from an A-frame which travels on rails along a stockpile. The scraper boom is equipped with sprockets pulling the reclaim chain around drive, bend, and tail sprocket. Scraper blades are attached to the chain and “scrape” the coal toward the reclaim conveyor.

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  • Impact damage to the middle trough of a scraper conveyor

    2022.4.18  Regarding design, scholars have conducted research on the effects of the scraper spacing, ... This scraper conveyor adopts double-chain scraper chains with a scraper spacing of 108 mm, a running speed of 1.0 m/s, and a middle trough width of 780 mm. The length of a single segment of the middle trough is 1.5 m, with five segments in

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  • Scraper Conveyor Structure Improvement and Performance Comparative ...

    2020.11.9  The scraper is the core of the conveyor and its vulnerable part. The problem of bending fracture of common welding scrapers in actual production is under consideration. SolidWorks and ANSYS finite element analysis software were used to construct the three-dimensional model for simulation analysis, and the existing structure

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  • Screening the Main Factors Affecting the Wear of the Scraper Conveyor ...

    2019.1.9  The wear of scraper conveyor chute causes both significant economic and environmental losses by shortening the service life. The life of the chute under coal abrasive wear situations is primarily decided by operating conditions and the materials properties. The comprehensive analysis of the influence factors had not been studied before. In this

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  • SCRAPER CONVEYOR STRUCTURE IMPROVEMENT AND

    2020.11.23  Keywords: scraper, 3D modeling, finite element analysis, well type stiffener, structural optimization. Introduction. Scraper is an important part of chain drive system of mine scraper conveyor, which plays an important role in transporting coal, rock and gravel in the working process. In actual transportation, the scraper will

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  • CHAIN CONVEYOR - Crocus

    2019.11.9  Chain Conveyor Virkevangen 25, Assentoft Tel.: (+45) 87 95 93 00 E-mail: [email protected] Page no.: 001-A-UK DK-8960 Randers SØ Fax: (+45) 87 95 93 09 Homepage: crocus.dk Side: 1 of 1 Date: 1/2 2019 Assembly instructions Page Description of chain conveyor 2 Assembling the chain conveyor 3

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