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Gas premix burner and gas water heater

A gas water heater and gas premixing technology, which is applied to gas fuel burners, burners, burners, etc., can solve the problems of intersecting main flames, poor flame stability, and insufficient length of auxiliary flames, etc., and achieve flame height reduction and stable combustion , Facilitate the effect of burning

Active Publication Date: 2017-04-12
A O SMITH (CHINA) WATER HEATER CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, in this patent application, the main combustion flame hole is higher than the auxiliary flame hole. Under the condition of small load, the length of the auxiliary flame may be insufficient, and it is difficult to intersect the main flame well. At this time, the stability of the flame is relatively poor

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  • Gas premix burner and gas water heater
  • Gas premix burner and gas water heater
  • Gas premix burner and gas water heater

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Embodiment Construction

[0030] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described The implementations are only some of the implementations of the present application, not all of them. Based on the implementation manners in this application, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.

[0031] see figure 1 , is a gas premix burner 10 provided in an embodiment of the present application. The gas premix burner 10 has a combustion direction F. When in use, the gas premix burner 10 can be matched with a premix chamber arranged upstream of the combustion direction F of the gas premix burner 10, so tha...

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Abstract

The embodiment of the present application discloses a gas premix burner and a gas water heater. The gas premix burner has a combustion direction, and the gas premix burner can be matched with a premix chamber arranged upstream of the combustion direction of the gas premix burner, and the gas and air can be mixed in the premix chamber Combustion is carried out by the gas premix burner; the gas premix burner includes: a burner base plate, a main combustion hole arranged on the burner base plate; The combustion direction is set at the auxiliary combustion hole downstream of the main combustion hole; the auxiliary flame of the auxiliary combustion hole intersects the main flame of the main combustion hole. In the present application, the main combustion hole is arranged upstream of the auxiliary combustion hole along the combustion direction. Since the main flame is usually larger than the auxiliary flame, the main flame is arranged upstream of the auxiliary flame, so that it is easier for the auxiliary flame to intersect with the main flame. The auxiliary flame and the main flame form a flame confrontation to achieve the effect of stabilizing the flame.

Description

technical field [0001] The present application relates to the field of water heaters, in particular to a gas premix burner and a gas water heater. Background technique [0002] Premixed combustion refers to the mixing of gas and air in the premixed chamber, and the mixed gas is burned on the burner. The structural design of the burner has a great influence on the combustion of the mixed gas. Existing burners, such as iron-chromium-aluminum wire mesh burners, are burners covered on the surface of the supporting element with a metal mesh made of a special material. The flame is attached to the surface of the metal mesh, which has a large porosity, good flame stability, a large adjustment ratio, and a good level of pollutant emissions. However, due to the particularity of the wire mesh, its manufacturing process is complicated and the cost is high. [0003] In order to reduce the difficulty of manufacturing, some flat-plate burners with simple manufacturing processes have be...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23D14/02F23D14/58F24H1/00
CPCF23D14/02F23D14/58F24H1/124F24H9/1836F23D2203/00F23D14/145F23D11/406F23D14/583F23D2203/1026F23D2209/20F23D14/26
Inventor 韦瑞洪杨京战
Owner A O SMITH (CHINA) WATER HEATER CO LTD
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