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Infrared-radiation-preventing heat-insulating device and solar water heater with same

A heat preservation device and anti-infrared technology, which is applied to solar collectors, components of solar collectors, solar thermal energy, etc., can solve the problems of inability to reduce infrared radiation heat dissipation, reduce conduction and heat convection, etc.

Inactive Publication Date: 2019-01-11
佛山豆萁科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the thermal insulation water tank of solar water heaters on the market includes an inner tank and an outer shell, and an insulating layer made of insulating material is arranged between the inner tank and the outer shell. Infrared Radiation Heat Dissipation

Method used

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  • Infrared-radiation-preventing heat-insulating device and solar water heater with same
  • Infrared-radiation-preventing heat-insulating device and solar water heater with same
  • Infrared-radiation-preventing heat-insulating device and solar water heater with same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] The following is the preparation process of the anti-infrared polyester fiber of the present invention:

[0040] (1) Disperse the anatase titanium dioxide powder containing 2.5wt.% CuO in absolute ethanol to form a suspension; continuously stir the suspension at 90°C until the ethanol is completely evaporated; then sequentially heat it at 450°C Calcined for 2h and 750℃ for 1h, the doped TiO is obtained after grinding 2 Powder; according to the mass ratio, will be doped with TiO 2 Powder, SnO 2 Powder, WO 3 The powder and NiO powder are ground and mixed by a ball mill, and then the mixed powder, corundum balls, and water are made into a 1:1:6 slurry, and 0.5% sodium lauryl sulfate is added, and grind in a rolling ball mill for 20 hours. Then it is calcined at 310℃~350℃ for 3h. The calcined powder is dispersed, crushed and ground to obtain metal oxide powder; the metal oxide powder is mixed with polyester powder, and the second polyester is obtained by screw granulation Mast...

Embodiment 2

[0045] The following is the preparation process of the polyester fiber of the present invention:

[0046] (1) Disperse the anatase titanium dioxide powder containing 2.5wt.% CuO in absolute ethanol to form a suspension; continuously stir the suspension at 90°C until the ethanol is completely evaporated; then sequentially heat it at 450°C Calcined for 2h and 750℃ for 1h, the doped TiO is obtained after grinding 2 Powder; according to the mass ratio, will be doped with TiO 2 Powder, SnO 2 Powder, WO 3 The powder and NiO powder are ground and mixed by a ball mill, and then the mixed powder, corundum balls, and water are made into a 1:1:6 slurry, and 0.5% sodium lauryl sulfate is added, and grind in a rolling ball mill for 20 hours. Then it is calcined at 310℃~350℃ for 3h. The calcined powder is dispersed, crushed and ground to obtain metal oxide powder; the metal oxide powder is mixed with polyester powder, and the second polyester is obtained by screw granulation Masterbatch

[0047...

Embodiment 3

[0051] The following is the preparation process of the polyester fiber of the present invention:

[0052] (1) Disperse the anatase titanium dioxide powder containing 2.5wt.% CuO in absolute ethanol to form a suspension; continuously stir the suspension at 90°C until the ethanol is completely evaporated; then sequentially heat it at 450°C Calcined for 2h and 750℃ for 1h, the doped TiO is obtained after grinding 2 Powder; according to the mass ratio, will be doped with TiO 2 Powder, SnO 2 Powder, WO 3 The powder and NiO powder are ground and mixed by a ball mill, and then the mixed powder, corundum balls, and water are made into a 1:1:6 slurry, and 0.5% sodium lauryl sulfate is added, and grind in a rolling ball mill for 20 hours. Then it is calcined at 310℃~350℃ for 3h. The calcined powder is dispersed, crushed and ground to obtain metal oxide powder; the metal oxide powder is mixed with polyester powder, and the second polyester is obtained by screw granulation Masterbatch

[0053...

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Abstract

The invention relates to an infrared-radiation-preventing heat-insulating device, which comprises one or more heat insulation layers. Each heat insulation layer comprises a plurality of outwards-protruding heat insulation air bags. The bottom faces of the heat insulation air bags are covered with sealing base layers for sealing the opening ends of the heat insulation air bags, and the outer surface of the heat insulation air bag on the outermost layer is provided with a metal reflecting layer. The heat insulation air bags are filled with anti-infrared polyester fibers, and the anti-infrared polyester fibers are papered in the mode that polyester chips, first polyester master batches and second polyester master batches are molten and blended.

Description

Technical field [0001] This application relates to the technical field of solar water heaters, in particular to an infrared radiation prevention and heat preservation device and a solar water heater with the device. Background technique [0002] At present, the thermal insulation water tanks of solar water heaters on the market include an inner tank and an outer shell. There is an insulation layer composed of insulation materials between the inner tank and the outer shell. The insulation material is generally polyurethane foam. The disadvantage is that it can only reduce conduction and heat convection, but cannot reduce it. Infrared radiation heat dissipation. Summary of the invention [0003] The present invention aims to provide an anti-infrared radiation heat preservation device and a solar water heater with the device to solve the aforementioned problems. [0004] The embodiment of the present invention provides an anti-infrared radiation heat preservation device and a solar wa...

Claims

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Application Information

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IPC IPC(8): F24S80/00C01G23/08
Inventor 甘坚梅
Owner 佛山豆萁科技有限公司
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