Preparation method and device of no-agglomeration nano nickle granules

Abstract

The invention discloses equipment of non-reunion nano-nickel gains, which comprises a closable vessel which is communicated with an evaporator capable of heating and evaporating nickel tetracarbonyl; a pipeline is arranged at the upper end of the evaporator and connected with a Z-shaped pipe arranged in the liquid having the function of isolation and decomposition, and a carrier; the vessel containing liquid is provided with a heating device and can rotate. A non-reunion nano-nickel grain method lies in that firstly, the system is vacuumed; the nickel tetracarbonyl is put into the nickel tetracarbonyl vessel; the nickel tetracarbonyl vessel and carrier liquid are heated; after the temperature of the carrier liquid is close to the endured temperature of the carrier liquid and the temperature of the evaporator is higher than the evaporation temperature of the nickel tetracarbonyl, the nickel tetracarbonyl is put into the evaporator; a rotating device of a liquid carrier vessel is started, then nickel tetracarbonyl steam enters the Z-shaped pipe through the pipeline, thus entering the liquid carrier vessel and being decomposed under the heat of the carrier liquid; by the rotation of the liquid carrier vessel and the isolation of the carrier liquid, the nano-nickel grain with even granularity and no reunion can be obtained; the nano-nickel grain can not be oxidized due to that the grain is placed in the carrier liquid; in addition, transportation and access are convenient.

Description

technical field [0001] The invention relates to a preparation method of nano-nickel particles, in particular to a method for preparing non-agglomerated nano-nickel particles. Background technique [0002] With the development of science and technology, the role of nano-metal particles is becoming more and more obvious. For example, nano-nickel has been reported as a rocket propellant, and nickel powder particles will also be useful in the medical field. The disclosed "a production method for preparing nano-nickel powder by thermal dissociation of nickel carbonyl (publication number CN1947902A)", except that it is the same as the preparation method of the previous patented nano-iron powder, the nano-nickel produced by the disclosed method exists The products are uncontrollable, a large number of agglomerations, many fibrous products, and easy to be oxidized, so it is difficult to put it into use. Contents of the invention [0003] The object of the present invention is to ...

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Problems solved by technology

The disclosed "a production method for preparing nano-nickel powder by thermal dissociation of nickel carbonyl (publication number CN1947902A)", except that it is the same as the preparation method of the previous patented nano-iron powder, the nano-nickel produced by the disclosed method exists Uncontrollable products, a large number of agglomerations, many fibrous products, easy to be oxidized and other shortcomings, so it is difficult to really put into use

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