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Heating device and heating method for lateral heating

A technology for heating devices and heating chambers, applied in the direction of electric heating devices, ohmic resistance heating, heating element materials, etc., can solve the problems of sticky pot, high cost, complicated operation, etc., and achieve enhanced stability and durability, and infrared emissivity The effect of increasing and increasing the heating speed

Inactive Publication Date: 2015-10-28
CHENGDU LONGXIN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This variable power heating method has disadvantages such as high cost, complicated operation, and difficult control. It is difficult to achieve uniform heating of the heating substrate and constant temperature. The local paste pot, raw food, etc. caused by

Method used

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  • Heating device and heating method for lateral heating
  • Heating device and heating method for lateral heating
  • Heating device and heating method for lateral heating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0060] Such as figure 1 As shown, a heating device for side heating includes a cylindrical substrate 1 with an inner cavity, and an electrothermal film 2 is provided on the outer surface of the cylindrical side wall of the substrate 1. The electrothermal film 2 is composed of Made from the following components by weight:

[0061] Tin tetrachloride 30~50,

[0062] Titanium trichloride 0.8~1.2,

[0063] Antimony trichloride 12~18,

[0064] Calcium dichloride 1.5~2.5,

[0065] Chromium trioxide 0.8~1.2,

[0066] Manganese dioxide 0.8~1.2,

[0067] Nickel trioxide 0.8~1.2,

[0068] Isopropanol 8~12,

[0069] Ethanol 3~5,

[0070] Water 20~30;

[0071] The stability of the electric heating film 2 is improved by adding antimony, the temperature resistance of the electric heating film 2 is improved by adding titanium, the infrared emissivity of the electric heating film 2 is improved by adding nickel and manganese, and the electric heating film is improved by adding isopropa...

example 1

[0082] The electrothermal film 2 is made of the following components by weight:

[0083] Tin tetrachloride 40, titanium trichloride 1, antimony trichloride 15, calcium dichloride 2, chromium trioxide 1, manganese dioxide 1, nickel trioxide 1, isopropanol 10, ethanol 4, water 25;

[0084] Its preparation method is:

[0085] S1. Weigh each component according to the above weight ratio, mix the weighed components, and continue to stir until all the solids are dissolved and the components are mixed evenly to obtain the electrothermal film treatment solution;

[0086] S2. Transport the substrate 1 to the heating chamber, the temperature in the heating chamber is controlled at 600°C, after the substrate 1 is heated to 600°C, the electrothermal film treatment liquid is atomized and sprayed onto the bottom of the substrate 1 in the heating chamber through a spray gun The electrothermal film semi-finished product is formed on the surface, and the injection pressure of the electrother...

example 2

[0090] The electrothermal film 2 is made of the following components by weight:

[0091] Tin tetrachloride 30, titanium trichloride 1.2, antimony trichloride 12, calcium dichloride 1.5, chromium trioxide 1.2, manganese dioxide 0.8, nickel trioxide 1.2, isopropanol 8, ethanol 5, water 20;

[0092] Its preparation method is:

[0093] S1. Weigh each component according to the above weight ratio, mix the weighed components, and continue to stir until all the solids are dissolved and the components are mixed evenly to obtain the electrothermal film treatment solution;

[0094] S2. Transport the substrate 1 to the heating chamber, the temperature in the heating chamber is controlled at 400°C, after the substrate 1 is heated to 400°C, the electrothermal film treatment liquid is atomized and sprayed onto the bottom of the substrate 1 in the heating chamber through a spray gun The electrothermal film semi-finished product is formed on the surface, and the injection pressure of the el...

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Abstract

The invention discloses a heating device for lateral heating, which comprises a cylindrical base body (1) with an internal cavity, and is characterized in that the outer surface of the cylindrical side wall of the base body (1) is provided with an electrothermal film, and the electrothermal film is formed by such components as stannic chloride, titanium trichloride, antimony trichloride, calcium chloride, chromium oxide, manganese dioxide, nickel oxide, isopropyl alcohol, ethanol and water; the components are mixed and prepared into an electrothermal film treatment solution, then the electrothermal film treatment solution is sprayed to the lower surface of the heated base body, annealing is carried out, and then a finished product of the electrothermal film is acquired after electrode processing. The invention further discloses a heating method of the device. The heating device and the heating method have the beneficial effects that the electrothermal film is not easy to fall, the upper limit of the surface temperature of the electrothermal film is improved, and the heating speed and the electrothermal conversion efficiency are improved; the highest surface operating temperature can reach 800-1000 DEG C, the power density can reach 40W / cm2 at the most, and the service life can reach up to 30000 hours.

Description

technical field [0001] The invention relates to the technical field of electrothermal film heating devices, in particular to a heating device and a heating method for side heating. Background technique [0002] Most of the electric heating film in the prior art has the surface temperature of the electric heating film is too low, it is difficult to realize the electric heating film technology in the high temperature stage, and it is only suitable for the working conditions of low temperature and slow heating; moreover, its heating performance is unstable, and it can be used for a long time. During the working process of time use, the heating power is easy to attenuate; the adhesion between the electric heating film and the substrate is poor, it is easy to fall off, and the actual service life is short. [0003] In addition, the electric heating film variable power heating technology in the prior art, such as a multi-power energy-saving electric heating pot disclosed in Chines...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B3/00H05B3/10H05B3/22
Inventor 颜彬蒲彦军徐甜章
Owner CHENGDU LONGXIN TECH CO LTD
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