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Self-stable combustion low-cost W flame boiler micro-oil ignition device

A low-cost technology for micro-oil ignition, which is applied to combustion ignition, igniters with fuel, burners, etc., can solve the problems of large wear and tear of micro-oil guns, cost of micro-oil ignition transformation and high equipment maintenance costs, and saves equipment. Cost, good ignition effect, low retrofit cost effect

Inactive Publication Date: 2017-04-05
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] The purpose of the present invention is to propose a self-stable combustion low-cost W-flame boiler micro-oil ignition device to solve the problems of large micro-oil gun wear and micro-oil ignition transformation costs and high equipment maintenance costs in the prior art

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  • Self-stable combustion low-cost W flame boiler micro-oil ignition device
  • Self-stable combustion low-cost W flame boiler micro-oil ignition device

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Embodiment Construction

[0017] The embodiments of the present invention will be further described below in conjunction with the drawings.

[0018] See attached figure 1 And figure 2 , The self-stabilized combustion low-cost W flame boiler micro-oil ignition device of the present invention includes a micro-oil gun, a fire detector 9, a high-energy igniter 10, an ignition cable 11 and an ignition rod 12; each concentrated coal pulverized coal pipeline 4 and each light coal The powder pipes 3 are respectively symmetrically arranged with micro-oil guns, which include a main oil gun 7 and an auxiliary oil gun 8. The combustion chamber 15 of each main oil gun 7 is connected with the combustion chamber 15 of the adjacent main oil gun 7 The tube 14 communicates with the combustion chamber 15 of any one of the main oil guns 7 as the main combustion chamber 13. The main combustion chamber 13 is provided with an ignition rod 12, and the ignition rod 12 is connected to the high-energy igniter 10 through an ignitio...

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Abstract

Self-stable combustion and low-cost W-flame boiler micro-oil ignition device belongs to the technical field of W-flame boilers. The invention includes a micro-oil gun, a fire detector, a high-energy igniter, an ignition cable and an ignition rod; each thick coal powder pipeline and each light coal powder pipeline are respectively arranged with a micro-oil gun, and a flame detector is arranged under each micro-oil gun. The micro oil gun includes a main oil gun and an auxiliary oil gun. The combustion chamber of each main oil gun communicates with the combustion chamber of the adjacent main oil gun through a connecting pipe. The combustion chamber of any one main oil gun is used as the main combustion chamber. An ignition rod is arranged on the combustion chamber, and the ignition rod is connected with a high-energy igniter through an ignition cable. In the present invention, each burner has only one set of high-energy igniter, ignition rod and ignition cable, and the transformation cost and equipment maintenance cost are low. The connecting pipe can resist the sharp change of temperature without damage, avoiding the problem of micro grease gun wear.

Description

Technical field [0001] The invention belongs to the technical field of W flame boilers, and relates to a combustion device, in particular to a self-stabilized combustion low-cost W flame boiler micro-oil ignition device. Background technique [0002] In the context of national energy conservation and emission reduction, most of the power plants that use bituminous coal and lean coal have undergone micro-oil ignition transformation to achieve the purpose of saving oil during boiler startup and shutdown and low-load stable combustion. Because of its low volatile content and high coke content, anthracite is difficult to ignite and burn out. The volatile heat release in the initial stage of micro-oil ignition is small, which makes it difficult to retrofit power plants that use anthracite as fuel. The W-flame boiler is the main furnace type for burning anthracite. The W-flame boilers currently in service have two levels, 300MW and 600MW, with a total of more than 100 units. A 600MW W...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23Q2/02F23D1/00
Inventor 刘春龙郭亮陈立恒张旭升胡日查黄勇
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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