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Household phase-change heating device

A heating device and phase change technology, applied in household heating, household appliances, household heating, etc., can solve problems such as low energy utilization, uneven heating, noise pollution, etc., to avoid local high temperature problems and improve energy utilization. High and long service life effect

Inactive Publication Date: 2020-04-24
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1) The resistance heating type working mode of heaters on the market has a long heating time and low energy utilization rate
[0004] 2) The heating method is electric heating electric furnace wire or carbon fiber tube. This kind of electric resistance heating method has great potential safety hazards due to uneven heating and local high temperature.
[0005] 3) Some electric heaters control the heating process through the circuit, and the circuit is connected to the heated electric furnace wire or carbon fiber tube, there is a potential safety hazard that the circuit catches fire due to temperature imbalance
[0006] 4) The heaters on the market need continuous power supply to ensure the constant temperature heating of the heater, and the devices in the heater need to work for a long time under high temperature conditions. At the same time, the service life of the electric furnace wire in this type of heating method is short and will cause continuous noise pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] A new household phase change heater provided in this embodiment includes a housing, a waveguide, a microwave automatic generator, and a wave absorbing heat storage plate. The wave absorbing heat storage plate is filled with a composite phase change material. Wherein, the composite phase change material is a paraffin / graphene composite material, and its preparation steps are as follows:

[0055] 1. Take 30g of paraffin wax, pulverize it, and heat it at 100°C to melt it;

[0056] 2 Weigh 0.15 g of single-layer graphene, and add it into the melted paraffin while stirring;

[0057] 3 Stir fully on the stirrer for 10 minutes, so that the graphene is evenly dispersed in the paraffin, and a composite phase change material is obtained.

Embodiment 2

[0059] A new household phase change heater provided in this embodiment includes a housing, a waveguide, a microwave automatic generator, and a wave absorbing heat storage plate. The wave absorbing heat storage plate is filled with a composite phase change material. Wherein, the composite phase change material is a paraffin / graphene composite material, and its preparation steps are as follows:

[0060] 1. Take 30g of paraffin wax, pulverize it, and heat it at 110°C to melt it;

[0061] 2 Weigh 0.225g of single-layer graphene, and add it into the melted paraffin while stirring;

[0062] 3 Stir fully on the stirrer for 12 minutes, so that the graphene is evenly dispersed in the paraffin, and a composite phase change material is obtained.

Embodiment 3

[0064] A new household phase change heater provided in this embodiment includes a housing, a waveguide, a microwave automatic generator, and a wave absorbing heat storage plate. The wave absorbing heat storage plate is filled with a composite phase change material. Wherein, the composite phase change material is a paraffin / graphene composite material, and its preparation steps are as follows:

[0065] 1. Take 30g of paraffin wax, pulverize it, and heat it at 120°C to melt it;

[0066] 2 Weigh 0.3g of single-layer graphene, and add it into the melted paraffin while stirring;

[0067] 3 Stir fully on the stirrer for 15 minutes, so that the graphene is uniformly dispersed in the paraffin, and a composite phase change material is obtained.

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Abstract

The invention discloses a household phase-change heating device, which is characterized in that a plurality of wave-absorbing heat storage plates are arranged in a shell at intervals, composite phase-change materials are arranged in the wave-absorbing heat storage plates, waveguide tubes connected with an automatic microwave generator are arranged on the two sides of each wave-absorbing heat storage plate respectively, and constant-temperature heat release is achieved through microwave heating. The device is higher in energy utilization rate, higher in energy saving performance, simple in structure, safer and longer in service life.

Description

technical field [0001] The invention belongs to the technical field of heating equipment, and in particular relates to a household phase change heating device. Background technique [0002] Central heating has become the basic heating method for urban residents in northern China at this stage, but for rural areas, remote areas and urban residents without central heating, heaters have become a common daily necessities. At present, the heating mechanism of the heaters on the market is: heating the electric furnace wire or carbon fiber tube through electricity, and some heaters realize the control of the heating process through the circuit, which mainly has the following problems: [0003] 1) The resistance heating type working mode of heaters on the market has a long heating time and low energy utilization rate. [0004] 2) The heating method is electric heating electric furnace wire or carbon fiber tube. This kind of electric resistance heating method has great potential saf...

Claims

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Application Information

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IPC IPC(8): F24D13/00F24D19/10F28D20/02
CPCF24D13/00F24D19/1096F28D20/021Y02E60/14
Inventor 韩晓刚卢亚飞姬芳荻杨恒瑞杨超白宇鸽
Owner XI AN JIAOTONG UNIV
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