本文選題：化學(xué)蓄熱 + 蓄熱材料��； 參考：《西安建筑科技大學(xué)》2013年碩士論文

【摘要】：太陽(yáng)能資源極為豐富，具有非常大的開發(fā)潛力，但太陽(yáng)能具有分散性、間接性、隨機(jī)性等特點(diǎn)。氫能是一種高效清潔能源，其能量密度高，利用形式多樣化，運(yùn)輸、存儲(chǔ)方便。開發(fā)清潔的可再生能源，，可以很好的解決能源和環(huán)境問題。利用可再生能源制氫是未來(lái)能源的發(fā)展趨勢(shì)。 太陽(yáng)能供熱的生物質(zhì)超臨界水制氫是制氫技術(shù)中新的研究方向。在太陽(yáng)能供熱的生物質(zhì)超臨界水制氫技術(shù)中，要實(shí)現(xiàn)高效低成本，必須重點(diǎn)解決太陽(yáng)能高效聚集、傳輸和儲(chǔ)存等問題。由于金屬氫氧化物、碳酸鹽和硫酸鹽研究廣泛，安全性高，因此本文選擇這三類金屬化合物作為化學(xué)反應(yīng)蓄熱材料研究對(duì)象。根據(jù)太陽(yáng)能供熱的生物質(zhì)超臨界水制氫系統(tǒng)對(duì)化學(xué)反應(yīng)蓄熱材料的要求，以轉(zhuǎn)向溫度作為主要優(yōu)選參數(shù)，總結(jié)了優(yōu)選化學(xué)反應(yīng)蓄熱材料的標(biāo)準(zhǔn)。通過(guò)HSC chemistry熱化學(xué)計(jì)算軟件計(jì)算蓄熱材料熱分解反應(yīng)的熱力學(xué)參數(shù)，研究了三類典型蓄熱材料熱分解反應(yīng)的轉(zhuǎn)向溫度、反應(yīng)熱以及穩(wěn)定性。根據(jù)優(yōu)選標(biāo)準(zhǔn)在各類蓄熱材料中選出最佳的蓄熱材料。結(jié)果表明：在三類蓄熱材料中，硫酸鎳為最佳的化學(xué)反應(yīng)蓄熱材料。其中，在金屬氫氧化物中，氫氧化鋇為最佳蓄熱材料；在碳酸鹽中，碳酸鈣為最佳蓄熱材料；在硫酸鹽中，硫酸鎳為最佳蓄熱材料。 本文對(duì)化學(xué)反應(yīng)蓄熱材料做了較為全面的總結(jié)，并結(jié)合太陽(yáng)能供熱的生物質(zhì)超臨界水制氫系統(tǒng)，總結(jié)了化學(xué)反應(yīng)蓄熱材料的優(yōu)選標(biāo)準(zhǔn)。通過(guò)此優(yōu)選標(biāo)準(zhǔn)能夠快速直觀地優(yōu)選出適合太陽(yáng)能供熱的生物質(zhì)超臨界水制氫系統(tǒng)的蓄熱材料。為化學(xué)反應(yīng)蓄熱材料的進(jìn)一步研究提供了理論依據(jù)，對(duì)太陽(yáng)能供熱的生物質(zhì)超臨界水制氫中化學(xué)反應(yīng)蓄熱技術(shù)的發(fā)展具有一定的指導(dǎo)價(jià)值。
[Abstract]:Solar energy is rich in resources and has great potential for development, but solar energy has the characteristics of dispersion, indirectness, randomness and so on. Hydrogen energy is a kind of high efficiency clean energy, its energy density is high, the form of utilization is diversified, transportation, storage is convenient. Developing clean and renewable energy can solve energy and environmental problems well. Using renewable energy to produce hydrogen is the development trend of energy in the future. Hydrogen production from biomass supercritical water for solar energy heating is a new research direction in hydrogen production technology. In the hydrogen production technology of biomass supercritical water for solar energy heating, in order to achieve high efficiency and low cost, it is necessary to focus on solving the problems of solar energy efficient accumulation, transmission and storage. Because of the extensive research of metal hydroxide, carbonate and sulfate, these three kinds of metal compounds are selected as the research object of chemical reaction heat storage material. According to the requirements of biomass supercritical water hydrogen production system for solar energy heating for chemical reaction heat storage materials, the standard of chemical reaction storage materials was summarized with the steering temperature as the main optimal selection parameter. The thermodynamic parameters of thermal decomposition reaction of regenerative materials were calculated by HSC chemistry thermochemical calculation software, and the turning temperature, reaction heat and stability of three kinds of typical regenerative materials were studied. According to the optimal selection standard, the best heat storage material is selected from all kinds of heat storage materials. The results show that nickel sulfate is the best heat storage material for chemical reaction among the three kinds of heat storage materials. Among them, barium hydroxide is the best heat storage material in metal hydroxide, calcium carbonate is the best heat storage material in carbonate, and nickel sulfate is the best heat storage material in sulfate. In this paper, a comprehensive summary of chemical reaction regenerative material is made, and combining with the biomass supercritical water hydrogen production system of solar energy heating, the optimum selection standard of chemical reaction heat storage material is summarized. Through this standard, the heat storage materials of biomass supercritical water hydrogen production system suitable for solar energy heating can be selected quickly and intuitively. It provides a theoretical basis for the further study of chemical reaction heat storage materials and has certain guiding value for the development of chemical reaction heat storage technology in the production of hydrogen from biomass supercritical water for solar heating.
【學(xué)位授予單位】：西安建筑科技大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：TU832.17

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