A low-noise electric water heater heating pipe
A technology for electric water heaters and heating pipes, which is applied in the directions of heating element materials, heating element shapes, fire-resistant coatings, etc., can solve the problem of confusion between sound insulation materials and sound absorption materials, and the insulation coating does not have good noise reduction performance and noise reduction. The effect is not ideal and other problems, to achieve the effect of good sound absorption performance, increase sound absorption performance, and strong adhesion
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Embodiment 1
[0030] Such as figure 1 or figure 2 As shown, a low-noise electric water heater heating tube, the main body is a hollow circular quartz glass tube 1 with both ends open, both ends of the quartz glass tube are electrodes 2 coated with silver paste, and the outer surface of the quartz glass tube In addition to the electrode part, an electrothermal film 3 with a thickness of 35 nanometers is coated, the electrothermal film is provided with a sound-absorbing layer 4 with a thickness of 0.75 mm, and a sound-insulating layer with a thickness of 0.5 mm is also provided outside the sound-absorbing layer 5.
[0031] The material of the sound insulation layer is butyl rubber, and the material of the sound absorption layer is a porous resin composite of inorganic materials. The preparation method is as follows:
[0032] (1) 50 parts of acrylic resin liquid with a solid content of 60wt%, 20 parts of sepiolite powder passed through a 200-mesh sieve, 15 parts of mineral wool fiber, 7.5 parts o...
Embodiment 2
[0037] Such as figure 1 or figure 2 As shown, a low-noise electric water heater heating tube, the main body is a hollow circular quartz glass tube with openings at both ends, both ends of the quartz glass tube are electrodes coated with silver paste, and the outer surface of the quartz glass tube except for the electrodes Part of the exterior is coated with an electric heating film with a thickness of 50 nanometers, the electric heating film is provided with a sound absorption layer with a thickness of 1 mm, and a sound insulation layer with a thickness of 0.75 mm is also provided outside the sound absorption layer.
[0038] The material of the sound insulation layer is butyl rubber, and the material of the sound absorption layer is a porous resin composite of inorganic materials. The preparation method is as follows:
[0039] (1) 40 parts of acrylic resin liquid with a solid content of 70wt%, 25 parts of sepiolite powder passed through a 300 mesh sieve, 12 parts of mineral wool f...
Embodiment 3
[0044] Such as figure 1 or figure 2 As shown, a low-noise electric water heater heating tube, the main body is a hollow circular quartz glass tube with openings at both ends, both ends of the quartz glass tube are electrodes coated with silver paste, and the outer surface of the quartz glass tube except for the electrodes Part of the exterior is coated with an electric heating film with a thickness of 15 nanometers, the electric heating film is provided with a sound absorption layer with a thickness of 0.5 mm, and a sound insulation layer with a thickness of 0.25 mm is provided outside the sound absorption layer.
[0045] The material of the sound insulation layer is butyl rubber, and the material of the sound absorption layer is a porous resin composite of inorganic materials. The preparation method is as follows:
[0046] (1) 60 parts of acrylic resin liquid with a solid content of 50wt%, 15 parts of sepiolite powder passed through a 150-mesh sieve, 17 parts of mineral wool fibe...
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Abstract
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