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Multi-in and multi-out feeding system of micro-coal atomization boiler stokehole

A multi-input multi-outlet feeding system technology is applied in the field of multi-input multi-outlet feeding system in front of the micro-coal atomization boiler, which can solve the problems of high failure rate and complicated operation, so as to reduce the failure rate and simplify the complex Degree, easy switching effect

Pending Publication Date: 2017-11-03
CHINA HUAYE GROUP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the above problems, the purpose of the present invention is to provide a multi-input and multi-outlet feeding system in front of the micro-coal atomization boiler to solve the problems of complex operation and high failure rate in the prior art

Method used

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  • Multi-in and multi-out feeding system of micro-coal atomization boiler stokehole
  • Multi-in and multi-out feeding system of micro-coal atomization boiler stokehole
  • Multi-in and multi-out feeding system of micro-coal atomization boiler stokehole

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Embodiment Construction

[0020] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0021] A multi-inlet and multi-outlet feeding system in front of a micro-coal atomization boiler, including multiple sets of coal feeding systems in front of the furnace, and each set of coal feeding systems in front of the furnace includes a coal bunker 1 in front of the furnace and a weighing coal feeder 2 connected in sequence And the medium-speed mill 3, the medium-speed mill 3 in the coal feeding system in front of multiple sets of furnaces is respectively connected to the multi-layer burner 5 in the micro-coal atomization boiler 4 through pipelines, and also includes a pulverized coal mixing distribution device 6, the pulverized coal mixing The multiple feeding ports on the distribution device 6 are respectively connected to the medium-speed mills 3 in the coal feeding system in front of multiple furnaces, and the multiple discharge ports...

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Abstract

The invention provides a multi-in and multi-out feeding system of a micro-coal atomization boiler stokehole. The system comprises multiple sets of stokehole coal feeding systems; each set of stokehole coal feeding system comprises a stokehole coal bin, a weighing coal feeder and a medium-speed mill connected in sequence; and the medium-speed mills in the multiple sets of stokehole coal feeding systems are respectively connected with multiple layers of combustors in a micro-coal atomization boiler through pipes. The system further comprises a coal powder mixing and distribution device; multiple feed ports of the coal powder mixing and distribution device are respectively connected with the medium-speed mills in the multiple sets of stokehole coal feeding systems; and multiple discharge ports of the coal powder mixing and distribution device are connected with the multiple layers of combustors in the micro-coal atomization boiler. The coal powder mixing and distribution device can directly feed powder to all layers of combustors, so that the stokehole pipe arrangement space is saved, the complicated degree of stokehole powder feeding pipes is greatly simplified, the equipment failure rate is reduced, and safe and stable operation of the micro-coal atomization boiler is guaranteed.

Description

technical field [0001] The invention relates to the technical field of high-efficiency pulverized coal furnace power generation, and more specifically, to a multi-inlet and multi-outlet feeding system in front of a micro-coal atomization boiler. Background technique [0002] Micro-coal atomization boiler is a kind of high-efficiency pulverized coal power boiler, which refers to a new type of coal-fired power pulverized coal boiler with "coal pulverized combustion technology" as the core. The fuel coal is ground to coal powder with a fineness of 200-250 mesh by a medium-speed mill or steel ball ink, and the impurities are fully removed during the grinding process. The particle size of the coal is very fine, easy to ignite, and the volatile content is high, which can improve the burnout rate. The combustion efficiency of the micro-coal atomization boiler can reach 96% to 98%; the boiler burns fully, and the incomplete combustion rate q4≤1%. The order of magnitude reduction of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F23K3/00
CPCF23K3/00F23K2201/501
Inventor 李永亮吕磊
Owner CHINA HUAYE GROUP
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