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Pulverized coal concentration leveling device and method

A leveling device and concentration adjustment technology, which is applied in the direction of combustion method, block/powder fuel preparation, grain processing, etc., can solve problems such as coal powder concentration deviation, reduce coal powder concentration deviation, improve combustion efficiency and operation Safety, the effect of reducing the jitter frequency

Pending Publication Date: 2020-09-22
上海卡山科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] For this reason, an object of the present invention is to propose a pulverized coal concentration leveling device to solve the problem of deviation of pulverized coal concentration at the inlet of each pulverized coal pipeline, and improve boiler combustion efficiency and operational safety

Method used

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  • Pulverized coal concentration leveling device and method
  • Pulverized coal concentration leveling device and method
  • Pulverized coal concentration leveling device and method

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Embodiment Construction

[0038]Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0039] In describing the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or positional relationship. Elements must have...

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Abstract

The invention relates to a pulverized coal concentration leveling device and method. The leveling device comprises pulverized coal concentration regulating valves, pulverized coal concentration detection sensors and an industrial personal computer, wherein the pulverized coal concentration regulating valves are vertically arranged between a coal mill and pulverized coal pipelines, and the number of the pulverized coal concentration regulating valves is equal to that of the pulverized coal pipelines of the coal mill; the pulverized coal concentration detection sensors are installed on pipelinesbehind the pulverized coal concentration regulating valves, and the number of the pulverized coal concentration detection sensors is equal to that of the pulverized coal concentration regulating valves; and the pulverized coal concentration regulating valves and the pulverized coal concentration detection sensors are all electrically connected with the industrial personal computer. Each pulverized coal pipeline is provided with one pulverized coal concentration regulating valve and one pulverized coal concentration detection sensor, the pulverized coal concentration detection sensors are usedfor detecting the concentration of pulverized coal in the pulverized coal pipelines, and the industrial personal computer adjusts the opening degree of the pulverized coal concentration regulating valves according to data transmitted by the pulverized coal concentration detection sensors, so that concentration deviation of the pulverized coal in the pulverized coal pipelines is reduced, and the combustion efficiency and running safety of a boiler are improved.

Description

technical field [0001] The invention relates to the technical field of pulverizing and grinding, and more specifically relates to a pulverized coal concentration leveling device and a leveling method. Background technique [0002] Coal mill 500 and several pulverized coal pipelines 600 connected with it form pulverizing system, see attached Figure 10 , the pulverizing system is responsible for grinding the raw coal into coal powder with qualified fineness, and transporting it to the boiler 700 for combustion. The primary air and raw coal enter the coal mill 500 at the same time, and the primary air carries the pulverized coal into the pulverized coal separator in the pulverizer 500. After the coarse and fine powder is separated, the primary air continues to carry the pulverized coal into the pulverized coal pipeline 600. Until entering the boiler 700. In order to improve the combustion efficiency of the boiler 700 and the safety of the boiler operation, it is required that...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B02C23/18B02C23/00F23K1/00
CPCB02C23/18B02C23/00F23K1/00
Inventor 贺岚清田航
Owner 上海卡山科技股份有限公司
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