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Control Method of Bucket Wheel Cantilever Stacker and Reclaimer in Strip Coal Yard

A control method and cantilever technology, applied in the directions of transportation and packaging, loading/unloading, etc., can solve the problem that the electrical control method cannot maintain safe operation

Active Publication Date: 2020-08-04
HUANENG POWER INT INC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Bucket-wheel cantilever stackers and reclaimers in strip coal yards generally have the problem that the electrical control method cannot maintain safe operation; for example, the bucket wheel machine model STARE1500 / 1200 of No. 1 and No. 2 of Huaneng Nantong Power Plant is manufactured by Italian company ITALIMPIANTI

Method used

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  • Control Method of Bucket Wheel Cantilever Stacker and Reclaimer in Strip Coal Yard
  • Control Method of Bucket Wheel Cantilever Stacker and Reclaimer in Strip Coal Yard
  • Control Method of Bucket Wheel Cantilever Stacker and Reclaimer in Strip Coal Yard

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Embodiment Construction

[0142] A control method for a bucket-wheel cantilever stacker and reclaimer in a strip coal yard. The control system adopted is the network communication of the PROFINET protocol. The master station performs real-time reading and writing of each distributed sub-station, and monitors whether there is an error in the network communication in real time; The control system consists of a master station CPU, 5 distributed test PLC substations, 4 frequency converter substations, 3 encoder substations and 1 touch screen substation;

[0143] Control methods include main system control, cantilever belt control, bucket wheel-wheel groove-cab balance control, cart control, movable shovel control, cantilever pitch control, trailer belt control, tail car rear tail car control, and cantilever swing control.

[0144] The main system control includes the following steps:

[0145] (1) PLC power on;

[0146] (2) PLC cyclically scans whether the feedback signal of the main circuit breaker has be...

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Abstract

The invention discloses a control method of a strip-shaped coal yard bucket wheel cantilever stacker-reclaimer. An adopted control system is PROFINET-protocol network communication; a master station reads and writes each distribution type substation in real time, and monitors whether the network communication is wrong or not in real time; the control system is formed by a master station central processing unit (CPU), 5 distributed trial programmable logic controller (PLC) substations, 4 frequency converter substations, 3 encoder substations and a touch screen substation; and the control methodcomprises main system control, cantilever belt control, bucket wheel-wheel groove-cab balance control, cart control, movable shovel control, cantilever pitch control, trailer belt control, tripper car rear tripper car control, and cantilever rotation control. The control method of the strip-shaped coal yard bucket wheel cantilever stacker-reclaimer provided by the invention effectively ensures safe and stable operation and maintenance of equipment and is convenient to operate.

Description

technical field [0001] The invention relates to a control method of a bucket wheel type cantilever stacker and reclaimer in a strip coal yard. Background technique [0002] Bucket-wheel cantilever stackers and reclaimers in strip coal yards generally have the problem that the electrical control method cannot maintain safe operation; for example, the No. 1 and No. 2 bucket wheel machines of Huaneng Nantong Power Plant, model STARE1500 / 1200, are manufactured by Italian ITALIMPIANTI company. Due to the long age, the aging of electrical control equipment and main components, and the difficulty of replacing spare parts, the safe and stable operation and maintenance of the equipment have gradually been affected. Contents of the invention [0003] The object of the present invention is to provide a control method for a bucket-wheel cantilever stacker and reclaimer in a strip coal yard that realizes safe and stable operation. [0004] Technical solution of the present invention i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65G65/00B65G65/04
CPCB65G65/005B65G65/04
Inventor 祝明叶高军孙雯雯陈蔡辉赵晓云陈兵梁志荣杜洪宇张慧辉
Owner HUANENG POWER INT INC
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