Automatic cleaning device for viscosity meter

Abstract

The invention relates to an automatic cleaning device for a viscosity meter, which comprises an air source module, a plurality of cleaning assemblies and an electromagnetic valve that are sequentially connected; the automatic cleaning device also comprises an electric control module connected with the electromagnetic valve through a circuit, wherein each cleaning assembly comprises a gas-liquid converting assembly connected with the air source module and a throttling valve connected with the gas-liquid converting assembly; and the gas-liquid converting assembly comprises a pneumatic triple piece and a pneumatic hydraulic pump sequentially connected, and also comprises a pressure regulating assembly connected with the pneumatic triple piece, the pneumatic triple piece is connected with an air source inlet, and the pneumatic hydraulic pump is connected with a cleaning agent inlet and a high-pressure cleaning agent outlet. The automatic high-pressure cleaning device integrating instruments into a whole is realized by using air as power and converting gas pressure into liquid pressure.

Description

technical field [0001] The invention relates to an automatic cleaning device for a viscometer. Background technique [0002] The measuring instrument used for liquid kinematic viscosity measurement is called glass capillary viscometer. There are many types of capillary tubes on the market, but the measurement principle is unified, that is, the measured liquid passes through the capillary tube at the lower end of the measuring bulb under the action of pure gravity. For any viscometer, after the measurement of a sample is completed, it must be cleaned before testing the next sample. [0003] There are many ways to clean the viscometer, but they all take out the viscometer from the constant temperature bath to clean it, which is called manual cleaning. Generally, the sample after the experiment is poured into the waste liquid recycling station, and then the cleaning agent is poured out with a dropper. (Usually the solvent oil of the corresponding type) drip or pump the cleanin...

AI Technical Summary

Problems solved by technology

The cleaning effect of this method can reach more than 80%, but the noise is large and the pollution is high

[0004] In fact, the key part of the viscometer cleaning is the capillary. Since the capillary is quite long and thin, if the cleaning agent is not driven by a certain pressure, it will not be able to achieve the best cleaning effect without forming a torrent. Neither of the above two methods can achieve this function.

Images