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Solar energy-metal hydride heating device

A heating device and hydride technology, which is applied in the field of energy saving, can solve the problems of large volume occupied by the device, high weather dependence, and low efficiency, and achieve the effects of saving time, improving energy utilization, and simple structure

Pending Publication Date: 2020-10-02
INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] As a typical solar energy utilization device, solar water heaters are very popular in rural areas of our country. However, solar water heaters are highly dependent on the weather and require electric heating assistance in rainy days or winter, which consumes a lot of power. In addition, the hot water heated by solar water heaters often needs to be heated at night. It can only be used, hot water stored in the insulation tank for a long time will cause a lot of heat loss
Solar water heaters directly use solar heating medium as the heat source, with simple structure and low cost. Generally, certain devices are used to convert light energy into heat energy. The common problem is that the efficiency is not high
[0003] At present, the main working principle of the heat storage device that combines metal hydride and solar energy is as follows: use the heat generated by solar energy to promote the chemical reaction of metal hydride, rely on the work done by the hydrogen cycle to drive the metal hydride water pump, and realize the composite function of water heater and water pump. Improve the thermal efficiency of solar energy, but need to use the incubator for hot water insulation, there is heat dissipation and waste, in addition, the traditional heating device can not better overcome the intermittent characteristics of solar energy supply in rainy weather, and often complex structure, device Large volume and high cost

Method used

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Examples

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Effect test

Embodiment 1

[0039] The solar energy-metal hydride heating device of present embodiment, as Figure 1-3 As shown, wherein, the multilayer stainless steel tank 3 is a double-layer structure, the length of the metal hydride reaction tank of the inner layer is 1.1m, the cross-sectional diameter is 0.4m, and the thickness is 0.02m, and the thickness of the outer layer liquid storage tank is 0.05m. The solar concentrating panel 1 has an unfolded width of 1.5m, the high-pressure hydrogen storage cylinder 13 is 1.4m high, and the cross-sectional diameter is 0.8m. The solar-metal hydride heating device of Embodiment 1 is also provided with a separator 15 .

[0040] When hydrogen is stored, the outer layer of the multi-layer stainless steel tank 3 is not filled with liquid to be heated, the solar concentrator 1 heats the multi-layer stainless steel tank 3, and the heat is transferred to the metal hydride in the inner layer of the multi-layer stainless steel tank 3 through the perforated metal brack...

Embodiment 2

[0042] The difference between this embodiment and embodiment 1 is that, as Figure 4-5 As shown, the liquid inlet 4 is arranged at the lower part of the liquid storage layer of the multilayer stainless steel tank 3, and the liquid outlet 7 is arranged at the upper part of the multilayer stainless steel tank 3 liquid storage layer

[0043] When storing hydrogen, the outer layer of the multi-layer stainless steel tank 3 is not filled with liquid to be heated, the solar concentrator 1 heats the multi-layer stainless steel tank 3, and the heat is transferred to the inner metal hydride reaction pool of the multi-layer stainless steel tank 3 through the porous metal bracket 14, and the multi-layer The inner metal hydride reaction tank of the stainless steel tank 3 is filled with metal hydride, and the metal hydride in the inner metal hydride reaction tank absorbs heat and decomposes to release hydrogen. The one-way valve I 8 is opened, the one-way valve II 9 is closed, and the gener...

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Abstract

The invention discloses a solar energy-metal hydride heat storage device. The device comprises a double-layer stainless steel tank, a metal hydride reaction tank, a solar concentrating plate, an electronic circuit box, a high-pressure hydrogen storage steel cylinder, two one-way valves and a supercharger. According to the device, the structure is simple, the intermittence of solar energy utilization can be avoided by utilizing the metal hydride hydrogen absorption and discharge reaction and the composite simple structure of the high-pressure hydrogen storage steel cylinder, water heating can be realized by injecting high-pressure hydrogen, time limitation is avoided, and heat energy storage and all-weather supply are realized. The device can be applicable to the technical field of energy conservation.

Description

technical field [0001] The invention relates to the technical field of energy saving, in particular to a solar-metal hydride heating device. Background technique [0002] As a typical solar energy utilization device, solar water heaters are very popular in rural areas of our country. However, solar water heaters are highly dependent on the weather and require electric heating assistance in rainy days or winter, which consumes a lot of power. In addition, the hot water heated by solar water heaters often needs to be heated at night. It can only be used, and hot water stored in the insulation tank for a long time will cause a large amount of heat loss. Solar water heaters directly use solar heating medium as the heat source, with simple structure and low cost. Generally, certain devices are used to convert light energy into heat energy. The common problem is that the efficiency is not high. At present, there are not many reports on the practical application of metal hydrides ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24S20/30F24S60/20F24S50/00H02N11/00
CPCF24S20/30F24S60/20F24S50/00H02N11/002Y02E10/40
Inventor 竺鑫桥王胜男张刘挺蔡泽亮吴富英徐云翔
Owner INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF
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