Suspension Cooling Air Power Spraying System and Its Application
A technology of cold air power spraying and suspension, applied in liquid spraying devices, spraying devices and other directions, can solve the problems of unsatisfactory deposition effect, poor fluidity, and low spray deposition efficiency.
Active Publication Date: 2021-10-29
JIHUA LAB
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Problems solved by technology
However, due to the small particle size and poor fluidity of nano-scale particles, the spray deposition efficiency is low and the deposition effect is not ideal. Therefore, nano-materials and cold air power spraying technology have not been effectively combined and applied.
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[0042] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Apparently, the described embodiments are some, but not all, embodiments of the present invention. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.
[0043] Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative...
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The invention relates to a suspension cold air power spraying system and its application. The suspension cold air power spray system includes a control device, a spray gun device, a main air supply device, a liquid feeding air supply device and a suspension feeder. The system transports nano-scale material powder with liquid as the medium, disperses the suspension into atomized droplets through the atomizing nozzle, and carries nano-scale powder droplets into the spray gun through the heating gas, accelerates in the Laval spray gun and sprays to The substrate, which is finally deposited on the surface of the substrate to form a coating of nanomaterials. The use of cold spray technology to prepare nano-material coatings can combine the technological advantages of cold spray technology to ensure that the microstructure of the coating is consistent with the original nano-materials, avoiding the modification of the materials during the spraying process, so as to maintain the coating to the greatest extent. The high bonding strength and low porosity of the nanomaterial coating.
Description
technical field [0001] The invention relates to the technical field of cold air power spraying, in particular to a suspension liquid cold air power spraying system and its application. Background technique [0002] Air-cooled power spraying technology is a new technology for surface modification of materials that is easy to operate, safe and green. Cold air power spraying refers to the supersonic gas and solid two-phase airflow that shoots the coating powder onto the substrate to form a dense coating at normal temperature or at a lower temperature. Since the spraying technology does not have high-temperature heating, it reduces the adverse effects of high-temperature oxidation, gasification, phase change, and ablation on the coating performance during the spraying process, making it widely used in aerospace, additive manufacturing, rail transit and other fields. Wide application prospects. [0003] Due to the high strength, less microcracks, excellent thermal shock resista...
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IPC IPC(8): B05B7/04B05B12/00
CPCB05B7/0416B05B12/00
Inventor 卢静解路吴应东汤烈明孙澄川李挺
Owner JIHUA LAB