Method and device for cleaning mass flowmeter
A technology for mass flowmeters and cleaning devices, which is applied to cleaning methods and appliances, chemical instruments and methods, and cleaning hollow objects, etc. It can solve problems such as long time consumption, impact on detection accuracy, and inability to meet the cleanliness requirements of mass flowmeters. , to achieve the effect easily obtained
Inactive Publication Date: 2012-05-23
BAOWU CHARCOAL MATERIAL TECH CO LTD
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Problems solved by technology
However, according to the experiment, it takes about 3 days to clear the solid asphalt blockage in the straight pipe section, but it is difficult to clear the U-shaped flow tube.
Because, although the solid asphalt here can be dissolved into viscous semi-solid asphalt, it is difficult to completely clean these viscous substances from the U-shaped pipe, even if it takes 15 days, the mass flowmeter cannot be realized. Cleanliness requirements
Therefore, the clogged U-shaped mass flowmeter is dredged by immersion in solvent oil, etc., although a certain effect can be obtained, but it takes a long time and has a certain impact on the detection accuracy
Method used
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Embodiment 1
[0045] The mass flowmeter 1 to be dredged in this embodiment is a Coriolis mass flowmeter, the model is CMF400, which is equipped with a preamplifier and a core processor, and has a U-shaped appearance. The dredging unit that present embodiment adopts sees figure 2 , the dredging unit includes a telescopic fixed bracket 2, a cleaning tank 3, a steam purge pipe 4, an inlet purge connector 5, an inlet blowdown pipe 6, an outlet purge connector 7, an outlet blowdown pipe 8 and other components.
[0046] Attached figure 2 Connect the various components. The method of dredging the mass flowmeter 1 is as follows: with the U port of the mass flowmeter 1 facing down, the straight pipe section 102 of the mass flowmeter 1 is connected with the supporting plate 203 and the pipe clip 204 of the telescopic fixed bracket through bolts, and the inlet is blown. The flange pieces of the sweep connector 5 and the outlet purge connector 6 are connected to the flange piece of the mass flow met...
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The invention relates to a method and a device for cleaning a mass flowmeter and is characterized in that the method for cleaning the mass flowmeter comprises a dredging working procedure and a subsequent cleaning working procedure, wherein the dredging working procedure comprises a medium-temperature medium-pressure steam source (the temperature is 150 to 175 DEG C, and the pressure is 0.5 to 0.8MPa)-a steam sweeping loop-the mass flowmeter-an outlet pollutant discharging pipe-a cleaning tank, and the cleaning working procedure comprises the cleaning tank (3)-a circulating pump inlet pipe (9)-a circulating pump (12)-a circulating pump outlet pipe (10)-a U-shaped pipe mass flowmeter (1)-an inlet pollutant discharging pipe-the cleaning tank (3). According to the invention, the scrapping of the mass flowmeter due to the loss of a metering function after blockage can be effectively avoided, and the high-precision metering function of the mass flowmeter can be restored within a shorter period of time, thereby the maintenance cost is greatly lowered, the production stability is guaranteed, the device has the advantages of simple structure, safety, environmental protection and the like, and the method and the device have greater popularizing value in the field of industrial metering systems.
Description
technical field [0001] The present invention relates to a method for cleaning a measuring system and its device, in particular, the present invention relates to a method for cleaning a mass flowmeter and its device, more specifically, the present invention relates to a flow tube of a mass flowmeter The unblocking method and its unblocking and flushing unit are particularly aimed at unblocking and cleaning when the flow tube of the mass flowmeter is blocked due to sticky solid blockages. Background technique [0002] A mass flow meter for a measurement system, for example, a Coriolis mass flow meter usually consists of components such as flow tubes, transmitters, and sensors. With this mass flow meter, fluid passes through a U-shaped flow tube, which keeps the flow tube vibrating. [0003] The interaction between the Coriolis force generated by the fluid and the vibration force of the flow tube causes the flow tube to twist, and the twist is proportional to the mass flow rat...
Claims
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IPC IPC(8): B08B9/032
Inventor 艾德跃张军
Owner BAOWU CHARCOAL MATERIAL TECH CO LTD
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