Oxygen-controlled 300-400 DEG C stainless-steel-compatible liquid metal in photothermal field and process thereof

A liquid metal and stainless steel technology, applied in the alloy field, can solve problems such as pipe cracking and heat transfer system failure, and achieve the effect of fast dissolution
CN110343933AInactive Publication Date: 2019-10-18深圳市兴荣晟物业管理有限公司
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
深圳市兴荣晟物业管理有限公司
Publication Date
2019-10-18
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses oxygen-controlled 300-400 DEG C stainless-steel-compatible liquid metal in the photothermal field and a process thereof. The alloy compositions include, by weight percent, 1.0-3.0% of In, 10.0-15.0% of Bi, 2.0-3.0% of Mn, 20.0-30.0% of Zn, 10.0-12.0% of Cd, 2.0-5.0% of Pb, 2.0-4.0% of Ga and the balance being Sn, wherein oxygen activity controlled oxide compositions include, by weight, 10.0-20.0% of PbO, 5.0-8.0% of AgO, 2.0-5.0% of Mn, 10.0-20.0% of MgO, 3.0-5.0% of CoO and the balance being Fe2O3. The liquid metal is used in a heat colleting module and a heat transfermodule of a solar photothermal system, an oxygen control module is adopted for controlling the oxygen activity effectively, and a compact layer of oxide film can be formed on the surface of a stainless steel pipeline so as to inhibit erosion of the liquid metal to the pipeline material; and the process is simple, and besides, the effects for improving heat transfer and prolonging the service lifeare quite obvious.
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Description

technical field

[0001] The invention relates to the technical field of alloys, in particular to a tin alloy. Background technique

[0002] Essentially, common energy sources on Earth such as wind, water and biomass are derived from the sun. Even the fossil fuels on earth, such as coal, oil, natural gas, etc., are fundamentally ancient stored solar energy. With the rapid development of modern technology and the increasingly tight demand for energy, people are aware of the limitations of non-renewable energy, so the investment in research on new energy has greatly increased. As a permanent and clean energy, solar energy has a very bright future and is expected to develop greatly in the future.

[0003] There are generally two types of solar energy utilization: photothermal and photovoltaic. Among them, the development of optoelectronics has been greatly inhibited due to the need for expensive silicon crystal photoelectric conversion processes. Photothermal utilization of s...

Claims

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