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A thermal power plant "double funnel" anti-blocking type feed coal bunker

A double-funnel, thermal power plant technology, applied in the direction of large containers, biological packaging, sustainable packaging, etc., can solve the problems of reduced cross-sectional area of ​​the outlet, overload of micro-motors, unable to prevent coal blocking in advance, etc., and achieve reliable blocking effect , low noise, low difficulty to achieve the effect

Active Publication Date: 2022-05-17
HUANENG (FUJIAN ZHANG ZHOU) ENERGY CO LTD
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  • Application Information

AI Technical Summary

Problems solved by technology

However, when the raw coal falls from the upper part of the large volume to the lower part of the small volume in the "funnel-shaped" coal bunker, the outlet cross-sectional area decreases sharply, and the raw coal is greatly squeezed. When a blockage occurs, the friction is increased, and micro The motor is overloaded, and the occurrence of coal blocking cannot be prevented in advance

Method used

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  • A thermal power plant "double funnel" anti-blocking type feed coal bunker
  • A thermal power plant "double funnel" anti-blocking type feed coal bunker
  • A thermal power plant "double funnel" anti-blocking type feed coal bunker

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Embodiment Construction

[0033] The technical solutions in the embodiments of the invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the invention. Obviously, the described embodiments are only part of the embodiments of the invention, not all of them. Based on the embodiments of the invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the invention.

[0034] see Figure 1-6 , the invention provides a technical solution: a "double funnel" anti-blocking type feed coal bunker for a thermal power plant, including a large coal bunker 1 and a small coal bunker 2 with a conical cylinder structure and coaxial fit inside and outside, the large coal bunker The bunker 1 is fixed above the coal feeder, and the small coal bunker 2 is set in the inner cavity of the large coal bunker 1. The annular interlayer space between the large coal bunker 1 an...

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Abstract

The invention discloses a "double funnel" anti-blocking type feed coal bunker in thermal power plants in the technical field of feed coal bunkers. The circular interlayer space between the coal bunker and the small coal bunker is the feeding channel; there are several groups of pushing mechanisms distributed in a circular array in the feeding channel, and each group of pushing mechanisms includes an outer conveyor belt device and an inner conveyor belt device ; Inside the large coal bunker, there are several sets of hydraulic connecting rod groups distributed in a circular array, which are used for connection, installation and traction to control the opening and closing of the upper port of the small coal bunker so as to control the cross-sectional area of ​​the feed port of the feeding channel; The port cover is provided with an umbrella-shaped top cover. The invention overcomes the risk of passively clearing the coal bunker only after the coal is blocked. Power, and controllable coal bunker coal intake, to prevent the occurrence of coal bunker blockage.

Description

technical field [0001] The invention relates to the technical field of feed coal bunkers, in particular to a "double funnel" anti-blocking type feed coal bunker for thermal power plants. Background technique [0002] A thermal power plant is a thermal power plant, a factory that uses coal, oil, and natural gas as fuel to produce electricity. Thermal power plants using solid fuel coal involve transportation, storage and distribution of coal. The coal bunker is one of the intermediate stations. At present, the coal bunkers of most thermal power plants adopt the "funnel type", that is, the top is wide and the bottom is narrow, which depends on the coal itself. Gravity falls to the coal feeder where the belt circulates, and then distributes to the coal mill. [0003] Due to the reduction of the "funnel" space at the bottom of the coal bunker, the raw coal is subject to "double-sided friction" and extrusion, the reduction of the cross-sectional area of ​​the coal bunker outlet l...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D88/54B65D90/00B65D90/48B65D88/64B65G65/00B65G65/42B65G45/18
CPCB65D88/546B65D90/00B65D90/48B65D88/64B65G65/005B65G65/42B65G45/18Y02W90/10
Inventor 黄太铭吴锦波邱锦木王俊生王启航王桂辉
Owner HUANENG (FUJIAN ZHANG ZHOU) ENERGY CO LTD
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