Mobile heat storage vehicle based on phase-change materials
A phase change material and heat storage technology, which is applied in the direction of freight vehicles, motor vehicles, heat storage equipment, etc., can solve the trouble of installing or dismantling heat storage devices, the difficulty of recycling phase change separation heat storage devices, barium hydroxide High toxicity and other problems, to achieve good heat insulation effect, simple structure, good heat preservation effect
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manufacture example 1
[0092] Manufacture Example 1 Manufacture of heat exchange devices with different structures
[0093] Design and manufacture respectively as figure 1 , 2 Three heat exchange devices of the heat storage device shown in and 3, the spiral tube, the circular tube and the spiral plate, they have the following structural parameters:
[0094] Table 1: Structural parameters of three heat exchange devices
[0095]
[0096] The above-mentioned heat exchange device was tested using a thermally conductive phase change material. The performance parameters of the material are as follows: the phase transition point is 120°C; the latent heat of phase transition is 250kJ / kg; the thermal conductivity at room temperature is 5W / mK; the density is 1000kg / m 3 ; Specific heat at constant pressure is 2kJ / kgK.
[0097] It is found through experiments that the heat storage performance of the spiral tube heat exchange device or the spiral plate heat exchange device is relatively better, and the ph...
Embodiment 1
[0108] The exhaust gas temperature of a thermal power plant boiler is 220-250°C, the pressure is 0.6MPa, and the flow rate is 8000m 3 / h~9000m 3 / h. The heat exchange device of the mobile energy storage device of the present invention has a spiral plate structure, and erythritol with a melting point of 120°C is selected as the phase change material, and expanded graphite is used as the thermally conductive filler, and the thermally conductive phase change material is composed of erythritol and thermally conductive filler. Formed, the mass percentage of the thermally conductive filler in the thermally conductive phase change material is 10%, the phase change latent heat of the thermally conductive phase change material is 250kJ / kg, and the thermal conductivity is (10W / m·K); the shell sandwich structure contains The insulation material is airgel insulation material, and the thickness of the sandwich structure is 30mm. With the mobile heat storage vehicle of the present inventi...
Embodiment 2-6
[0110] Except the content shown in the following table, it carried out in the same manner as Example 1.
[0111]
[0112] It can be seen from the results in the table that the mobile heat storage vehicle of the present invention may have high heat storage efficiency and low heat transportation loss.
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