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Full-premixing combustion device and full-premixing combustion boiler

A combustion device and fully premixed technology, applied in the direction of burners, combustion types, combustion equipment, etc., can solve problems such as ignition high temperature failure

Pending Publication Date: 2019-05-21
A O SMITH CHINA WATER HEATER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing ignition tube is located inside the furnace. During the combustion process of the burner, the ignition tube will be subjected to high-temperature radiation inside the furnace, which may easily cause high-temperature ignition failure.

Method used

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  • Full-premixing combustion device and full-premixing combustion boiler

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Embodiment Construction

[0043] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0044] It should be noted that when an element is referred to as being “disposed on” another element, it may be directly on the other element or there may be another element in between. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or it may be present interveni...

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PUM

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Abstract

The invention discloses a full-premixing combustion device and a full-premixing combustion boiler. The full-premixing combustion device comprises a first combustor, a second combustor and an ignitionpin, wherein the first combustor is provided with a combustion face, the first combustor can input premixed gas and make the premixed gas to be combusted on the combustion face, the second combustor is provided with a gas output portion, the gas output portion of the second combustor is located on the upstream of the combustion face, the ignition pin is located on the downstream of the combustionface, and the ignition pin is used for lighting gas output by the gas output portion. According to the full-premixing combustion device and the full-premixing combustion boiler, the ignition structurecan be cooled reliably, and high-temperature failure of the ignition structure is avoided.

Description

technical field [0001] The present application relates to the field of combustion equipment, in particular to a fully premixed combustion device and a fully premixed boiler. Background technique [0002] The fully premixed combustion device is a device that combusts the combustible gas that is mixed in the premixed cavity of the fan. Part of the fully premixed combustion devices in the prior art, especially used in the field of fully premixed boilers, may include burners, fans, and ignition needles. After the combustible gas enters the burner, it is sprayed out from the fire hole on the side wall of the burner. [0003] In order to achieve ignition safety and avoid deflagration, the fully premixed boiler is usually equipped with a small fire for ignition. When the boiler starts to burn, first light a small fire on the ignition tube through ignition, and then the small fire of the ignition tube burns normally and stably, then feed the premixed gas into the burner and be ign...

Claims

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Application Information

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IPC IPC(8): F23C5/08F23D14/02F23D14/46F23D14/62
Inventor 丁武吴俊潘承胜
Owner A O SMITH CHINA WATER HEATER CO LTD
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