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Upper air inlet burner

A burner and gas technology, which is applied in the field of kitchen utensils, can solve problems affecting burner injection, application restrictions, and product appearance design, and achieve the effect of improving heat utilization and injection function

Active Publication Date: 2015-06-10
NINGBO FOTILE KITCHEN WARE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, although the flame injection system of the burner is relatively in place, due to the structural limitation of the upward air intake combustion, the ejector tube of the burner is generally short, which affects the ejection of the burner.
[0004] Many improvements have been made to the upward airflow burner in the prior art. The reference patent number is ZL200620155563.9, the Chinese utility model patent "Completely upward airflow gas cooker burner" (authorized announcement number is CN200993364Y), this patent adopts the ultra-long Not only does the structure of the ejector tube become much more complicated, but it is only suitable for cookers with an even number of burners, so the application is relatively limited.
[0005] The Chinese invention patent application with the application number 200810220263.8 discloses "A Multi-Nozzle, Large-Flow, Completely Updraft Embedded Burner for Household Gas Stove" (publication number CN101446415A). In this application, the ejector tube can only be limited to the burner Within the diameter range, the injection tube is still short, the injection effect is not good, and less air is added
[0006] Patent No. ZL201020242405.3 is a Chinese utility model patent "A Completely Updraft Cooker Burner" (authorized announcement number is CN201715507U). The burner is exposed above the cooker panel, which affects the structure of the burner and the appearance design of the product. At the same time, there are many inconveniences to the maintenance and cleaning of the user
[0007] Patent No. ZL201110112722.2 is a Chinese invention patent "An Anti-Tempering Updraft Adjustable Air Gas Cooker" (authorized announcement number is CN102147117B). The gas cooker of this patent needs to be installed and used with holes on the panel or the liquid receiving plate , used to enter the air, it can be seen that the installation is more cumbersome

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Example 1, such as figure 1 , figure 2 and image 3 As shown, the upper air inlet burner in this embodiment includes a base 4, a gas mixing ring 3, an outer fire cover 2 and an inner fire cover 1, and the inside of the base 4 has a mixing chamber 44 and the upper end surface has an external output with openings all upward. The port 41 and the inner output port 42, the outer output port 41 and the inner output port 42 are all communicated with the mixing chamber 44, and the side of the base 4 has an injection pipe 5 for the gas to enter, and the gas mixing ring 3 and the inner fire cover 1 are covered respectively. Located on the outer output port 41 and the inner output port 42, the gas mixing ring 3 is formed with a vent hole 31 communicating with the outer output port, the outer fire cover 2 is arranged on the upper end surface of the gas mixing ring 3, and the outer fire cover 2 The lower end face and the upper end face of the air mixing ring 3 form an air mixing ...

Embodiment 2

[0031] Example 2, such as Figure 5 , Figure 6 and Figure 7 As shown, the ejector tube 5 in the upper air intake burner of this embodiment includes three parallel pipelines, which are respectively two pipelines 51 and a pipeline 52 located in the pipeline 51, wherein the inner cavity of the pipeline 51 forms The air input channel 5a, the inner cavity of the pipeline 52 forms the mixing channel 5b. Refer to Example 1 for other structures.

Embodiment 3

[0032] Embodiment 3, there is no gas mixing ring in the upper air inlet burner of this embodiment, and the outer fire cover is directly covered on the outer output port of the base, and a structural component with the function of a gas mixing ring can be arranged on the upper end surface of the base, which will not be repeated here Further development, there are many available technologies for reference. Refer to Example 1 for other structures.

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Abstract

Provided is an upper air inlet burner. The upper air inlet burner comprises a base, a gaseous ring, an outer fire cover and an inner fire cover, and is characterized in that an air cavity independent from a mixing cavity is arranged in the base, an air input port with an upward opening is formed in the upper end face of the base, and the air input port is communicated with the air cavity. An injection pipe is provided with an air input channel, a mixing channel and a mixing area where the air input channel and the mixing channel are intersected. The air input channel is communicated with the air cavity, an output end of the mixing channel is communicated with the mixing cavity of the base, and one portion, placed at the tail end of the injection pipe, of the mixing area is provided with a gas connector. According to the upper air inlet burner, a special air supplement channel is used for connecting a gas inlet and the external of a cooking stove, injection performance is improved, and air needed by burning is supplied, and meanwhile heat utilization efficiency is improved through entered preheated air.

Description

technical field [0001] The invention relates to a burner, which is applied to a gas stove and belongs to the technical field of kitchen utensils. Background technique [0002] From the perspective of national policies and residents' needs, low carbon emissions and low energy consumption have become a more important topic in civil gas appliances. At present, ordinary atmospheric burners have achieved the ultimate in low emission and high efficiency, and have achieved a combustion technology with a thermal efficiency of 60% (GB16410-2007). The advantages of upward air-flow burners are obvious, such as safety, cleanliness, and built-in gas appliances are not easily affected by the cabinet door switch. However, the upward-inlet burner cannot reliably achieve a thermal efficiency of 60% (GB16410-2007). [0003] The most important thing for large-load civil gas appliances to achieve energy saving and high efficiency is to have a certain length of ejector tube, which includes mix...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F23D14/04F23D14/64F23D14/46
CPCY02E20/34
Inventor 徐强茅忠群诸永定徐德明郑军妹
Owner NINGBO FOTILE KITCHEN WARE CO LTD