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method of transporting coal

A technology for coal transportation and coal bunker, which is applied in the field of coal transportation and measurement in thermal power plants, can solve problems such as difficult operation of coal transportation methods, and achieve the effects of improving accuracy and detection efficiency, improving monitoring strength, and reducing human and material loss.

Active Publication Date: 2020-06-16
CHINA SHENHUA ENERGY CO LTD +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The main purpose of the present invention is to provide a method for coal transportation to solve the problem of difficult operation of the coal transportation method in the prior art

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Embodiment Construction

[0018] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0019] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0020] It should be noted that the terms "first" and "second" in the specification, claims and drawings of the present application are used to distinguish similar objects, ...

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Abstract

The invention provides a coal conveying method. The method comprises the following steps that a coal feeder is started to supply coal to a coal bin, and the coal entering the coal bin is weighed through a furnace-entering belt weigher; the height of the coal in the coal bin is detected periodically by a detector; when the detected height of the coal is in a preset height value range, the coal feeder is controlled to supply coal to the coal bin normally; and when the detector detects that the height of the coal in the coal bin exceeds the greatest value of a preset height value, the coal feederis controlled to stop supplying coal for a preset time until the height of the coal in the coal bin is in a preset height value range. By adopting the coal conveying method, the coal conveying difficulty can be effectively lowered; the accuracy detection efficiency of the furnace-entering belt weigher is improved; labor and material loss is greatly reduced; and besides, on-line comparison is performed on the furnace-entering belt weigher on the condition that coal feeding is not affected, so that the monitoring strength of the accuracy of the furnace-entering belt weigher is improved.

Description

technical field [0001] The invention relates to the measurement of coal transportation in a thermal power plant, in particular to a coal transportation method. Background technique [0002] Usually, thermal power plants are equipped with two sets of belt scales entering the furnace and two sets of belt scales entering the plant. The belt scale entering the factory is used to measure the amount of foreign coal entering the factory area. It is a very important measurement parameter and directly affects the fuel settlement. In order to ensure its accuracy, a more reliable method adopted by many coastal power plants is to introduce the results of water gauge measurement as a comparison. As an important measurement tool for measuring coal consumption in power plants, belt scales entering the furnace are playing an increasingly important role in thermal power plants, and their accuracy directly affects the economic operation of thermal power plants. [0003] The deviation calcul...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65G65/00B65G65/32
CPCB65G65/005B65G65/32
Inventor 陈宇仲王威吕智嘉李朝戬陈超郑锴黄中
Owner CHINA SHENHUA ENERGY CO LTD
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