A noise reduction fire exhaust
A technology of fire exhaust and noise reduction, applied in the direction of burners, combustion types, combustion methods, etc., can solve the problems of inability to solve noise problems, inability to achieve noise reduction effects in a large frequency range, etc.
Active Publication Date: 2021-08-20
NINGBO FOTILE KITCHEN WARE CO LTD
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Problems solved by technology
The emission reduction and noise reduction device cannot solve the noise problem caused by the collision between flames
In addition, since the gas water heater can realize gear or temperature adjustment during combustion, the frequency range of noise generated during combustion is relatively wide. A single emission reduction and noise reduction device can usually only achieve noise reduction processing for noise within a small frequency range. The noise reduction effect of noise in a wide frequency range cannot be achieved
Method used
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Embodiment Construction
[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0023] like Figure 1 to Figure 4 As shown, the noise reduction fire row in this embodiment includes a fire row main body 1, and the upper part of the fire row main body 1 is a combustion inner core. In this embodiment, the top plate of the combustion core is convexly arranged along the center line, so that the interface of the top plate is "Λ"-shaped, that is, the top plate of the combustion core in this embodiment includes a first plate body 101 and a second plate body 102 integrally connected , the first plate body 101 and the second plate body 102 are arranged at an included angle. The included angle between the first plate body 101 and the second plate body 102 is preferably 140°˜160°, and the included angle between the first plate body 101 and the second plate body 102 in this embodiment is 150°. On the first plate body 101 and the sec...
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The invention relates to a noise-reducing fire row, which comprises a fire row main body, a main fire hole is arranged on the top of the fire row main body, auxiliary fire holes are arranged on the side walls on both sides of the fire row main body, and the two sides of the fire row main body correspond to The auxiliary fire holes are respectively provided with noise reduction parts, and the noise reduction parts have at least two cavities with different volumes, and small holes opposite to the auxiliary fire holes are arranged on the side walls of each cavity. The noise-reducing parts in the noise-reducing fire row are provided with cavities of different volumes, and the corresponding frequencies and resonance characteristics of the cavities of different volumes are different for sound waves, so that various resonance frequencies can be generated, thereby expanding the range of the noise-reducing parts. Resonant frequency range. The noise-reducing fire platoon with noise-reducing parts can reduce the noise of different frequencies generated under different fire conditions, and realize effective noise-reduction processing of noise in a large-span frequency range.
Description
technical field [0001] The invention relates to the technical field of noise reduction and noise reduction, in particular to a noise reduction fire row. Background technique [0002] Household gas water heater is a common hot water supply equipment in daily life. It has the advantages of fast hot water output, constant water temperature, less scaling, small footprint, and no control of water volume. It is favored by consumers. However, during the combustion process of the gas water heater, because of the collision between the flames inside the combustion chamber, it will generate a lot of noise when it is working. [0003] The authorized announcement number is CN10537156B (application number is 201610209643.6) Chinese invention patent "A Noise Reduction and Emission Reduction Fire Row". device, the emission reduction and noise reduction device is a flow stabilizer built under the top wall and attached to the top wall. The stabilizer plate includes several raised parts and ...
Claims
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IPC IPC(8): F23D14/00F23D14/46F23D14/58
CPCF23D14/00F23D14/46F23D14/58
Inventor 范天星韩宏刚肖晓艳周品
Owner NINGBO FOTILE KITCHEN WARE CO LTD