Preparation system for supercritical hydrothermal synthesis of nano metal oxide

Abstract

The invention provides a preparation system for supercritical hydrothermal synthesis of a nano metal oxide, and belongs to the technical field of chemical engineering and environmental protection. Thesystem comprises a pure water tank, thermoelectric power generation equipment, a metal salt modulation pool, supercritical hydrothermal synthesis equipment, a heat preservation device, a heat exchanger and the like, wherein a flow diverter I is arranged behind the pure water tank, one of the two paths is connected to the thermoelectric power generation equipment, the other path is connected to aconfluence device I, the confluence device I is connected to a mixer, the mixer is connected to the heat exchanger, and a heat exchanger pipeline is connected to the supercritical hydrothermal synthesis equipment and finally connected to the metal salt modulation pool and a confluence device II through a flow diverter II. According to the invention, the preparation of the nano material can be realized, the waste heat of the preparation system can be fully utilized, and the full utilization of heat energy is realized.

Description

technical field

[0001] The invention relates to the technical fields of chemical industry and environmental protection, in particular to a preparation system for supercritical hydrothermal synthesis of nanometer metal oxides. Background technique

[0002] Nano-materials, together with information and energy, are considered to be the three pillars of the 21st century and have broad application value. Due to its superior physical and chemical properties, nanomaterials have become a new type of material that is in great demand in the development of modern science and technology. Among them, metal oxide nano-ultrafine materials are an important part of nano-materials, and have broad application prospects in chemical industry, electronics, food, biology, and medicine. After years of research and development, the techniques for preparing nanomaterials mainly include gas condensation method, plasma method, CVD method, CVC method, sol-gel method, chemical precipitation method, hydr...

Examples

Embodiment Construction

[0024] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0025] The invention provides a preparation system for supercritical hydrothermal synthesis of nano metal oxides.

[0026] Such as figure 1 As shown, the system includes a pure water tank 1, a pure water pump 2, a splitter 3, a thermoelectric power generation device 5, a confluencer 6, a metal salt conditioning pool 7, a metal salt solution pump 8, an alkali solution pool 9, and an alkali solution pump 10. Mixer 11, heat exchanger 12, heat preservation device 13, supercritical hydrothermal synthesis equipment 14, splitter two 15, stop valve 16, confluencer two 17, negative pressure valve 19 and container 20,

[0027] Wherein, the outlet of the pure water tank 1 is connected to the inlet of the pure water pump 2, and the outlet of the pure water pump 2 i...

technical field

[0001] The invention relates to the technical fields of chemical industry and environmental protection, in particular to a preparation system for supercritical hydrothermal synthesis of nanometer metal oxides. Background technique

[0002] Nano-materials, together with information and energy, are considered to be the three pillars of the 21st century and have broad application value. Due to its superior physical and chemical properties, nanomaterials have become a new type of material that is in great demand in the development of modern science and technology. Among them, metal oxide nano-ultrafine materials are an important part of nano-materials, and have broad application prospects in chemical industry, electronics, food, biology, and medicine. After years of research and development, the techniques for preparing nanomaterials mainly include gas condensation method, plasma method, CVD method, CVC method, sol-gel method, chemical precipitation method, hydr...

Examples

Embodiment Construction

[0024] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following will describe in detail with reference to the drawings and specific embodiments.

[0025] The invention provides a preparation system for supercritical hydrothermal synthesis of nano metal oxides.

[0026] Such as figure 1 As shown, the system includes a pure water tank 1, a pure water pump 2, a splitter 3, a thermoelectric power generation device 5, a confluencer 6, a metal salt conditioning pool 7, a metal salt solution pump 8, an alkali solution pool 9, and an alkali solution pump 10. Mixer 11, heat exchanger 12, heat preservation device 13, supercritical hydrothermal synthesis equipment 14, splitter two 15, stop valve 16, confluencer two 17, negative pressure valve 19 and container 20,

[0027] Wherein, the outlet of the pure water tank 1 is connected to the inlet of the pure water pump 2, and the outlet of the pure water pump 2 i...

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