Cleaning method using uniformly and stably jet cleaning agent formed by separately using liquid carbon dioxide or mixing liquid carbon dioxide and compressed gas

Abstract

The invention relates to a cleaning method using a uniformly and stably jet cleaning agent formed by separately using liquid carbon dioxide or mixing liquid carbon dioxide and compressed gas. By the method, after at least one part of the liquid carbon dioxide produces solid-gas phase change, the liquid carbon dioxide is separately used as the cleaning agent and uniformly and stably jet to an object required to be cleaned or uniformly and stably mixed with the compressed gas to form the cleaning agent which is jet to the object required to be cleaned. Preferably, the liquid carbon dioxide is decompressed to 5Bar, so that at least one part of the liquid carbon dioxide produces the solid-gas phase change; the jet velocity is over 320 meters per second, the jet flow is 0.2 to 1.0 liter of liquid carbon dioxide per minute or 0.2 to 1.0 liter of liquid carbon dioxide and 4 cubes of compressed gas per minute; after at least one part of the liquid carbon dioxide produces the solid-gas phase change, the liquid carbon dioxide enters along the circumference of the compressed gas uniformly at intervals, so that the liquid carbon dioxide is uniformly and stably mixed with the compressed gas; and the cleaning method is implemented by adopting a jet gun. The method is skilful in design, easy to operate, low in cost and uniform and stable in jet, has a good cleaning effect, and is suitable for large-scale popularization and application.

Description

technical field [0001] The invention relates to the technical field of cleaning methods, in particular to the technical field of carbon dioxide cleaning, and specifically refers to a cleaning method in which liquid carbon dioxide is used alone or mixed with compressed gas as a cleaning agent for uniform and stable spraying. Background technique [0002] In the current field of industrial cleaning, the new dry ice cleaning method has attracted more and more attention from users in all walks of life. The dry ice cleaning equipment of foreign companies landed in the Chinese industrial cleaning market. Domestic manufacturers transplant R&D and production of dry ice blasting equipment. Gradually replace traditional chemical, high-pressure water, sandblasting and other traditional methods. [0003] The applicant represented the famous American brand TomCo 2 During the sales and after-sales service of dry ice blasting equipment, I found that everyone knows that dry ice blasting ...

AI Technical Summary

Problems solved by technology

[0016] 3. The dry ice granulator is expensive, with millions of imported and 500,000 domestically produced. It is difficult to bear the investment in general enterprise equipment

In addition to large-scale enterprises buying equipment to produce dry ice, small and medium-sized enterprises rely on dry ice for cleaning operations, and the cost is also very high

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