A kind of silent coating on the bottom plate surface of liquid heating vessel
A coating and silent technology, applied in the field of heating liquid utensils, can solve the problems of heat accumulation, early jumping, and large vibration of the heating panel, and achieve the effect of reducing the contact angle, reducing vibration, and reducing noise.
Active Publication Date: 2022-03-15
FOSHAN CITY SHUNDE DISTRICT PAILAN PAINT
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Problems solved by technology
However, the larger the contact angle between the coating and the heating liquid, the easier it is for the bubbles generated during the heating process to gather, the larger the bubbles will be when the bubbles leave, the greater the vibration will be when the bubbles leave, and the greater the noise will be.
Moreover, because the bubbles stay on the surface of the heating panel for a long time, a vaporized film is formed, which forms a certain barrier to the heat transfer between the heating liquid and the heating panel, which easily leads to the accumulation of heat on the heating panel, and the temperature rises too high, triggering the temperature control device, causing early jumps, unable to bring heated liquids to a boil
[0004] The contact angle of the coating is small, which means that the coating material is relatively hydrophilic, and water is easier to soak and penetrate the coating, which reduces the adhesion between the coating and the metal substrate, resulting in poor boiling water peeling resistance of the coating
Method used
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Embodiment 2
[0051] Example 2: On the surface of the coating described in Example 1, dot-shaped grooves are carved as shown in the figure below. The diameter of the dot-shaped grooves is 20um, and the distance between the center points of two adjacent dot-shaped grooves is 40um.
[0052] The specific experimental data are as follows:
[0053] plan dot groove Noise (decibel) 53
[0054] In this embodiment 2, compared with embodiment 1, the noise generated by the dot type groove is slightly higher than that of the mesh type by 2 decibels, which is basically negligible. This embodiment 2 is only the noise in embodiment 1. a transformation plan.
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The invention discloses a silent coating on the bottom plate surface of a liquid heating vessel, which comprises a metal base and a coating, the metal base is coated with a coating, and a plurality of heating cavities are arranged on the coating; wherein, the heating vessel is injected with liquid , the liquid covers the surface of the coating, the liquid squeezes the air and forms an air cavity in the heating cavity; the air in the air cavity expands after being heated, leaves the heating cavity, and forms a vaporization core above the heating cavity, which can significantly reduce noise Generate, and can increase the heat transfer efficiency, energy saving.
Description
technical field [0001] The invention relates to the technical field of liquid vessel heating, in particular to a silent coating on the bottom plate surface of a liquid heating vessel. Background technique [0002] When the kettle is heating the liquid, as the temperature of the heating panel rises, when the temperature difference between the heating panel and the heated liquid increases to a certain extent (before the heated liquid boils), bubbles will be generated on the surface of the heating panel, and the bubbles will flow along the heating panel. Sliding, aggregating, growing up, and producing deformation and vibration, and finally detached from the heating panel. After the bubbles detached from the heating panel, the heat was transferred to the heating liquid, rapidly shrinking, collapsing, and finally disappeared in the temperature-unsaturated heating liquid. Vibration is generated during the process of bubble detachment and collapse, resulting in noise and affecting ...
Claims
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IPC IPC(8): H05B3/22
Inventor 王永强
Owner FOSHAN CITY SHUNDE DISTRICT PAILAN PAINT