Abstract: the intelligent vortex flow meter scale installation is not correct, cause measuring no case information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. A certain refinery oil bulk platform has six sets of intelligent vortex flowmeter, only do loading monitoring. And measurement on the scale. Asked its reason, the intelligent vortex flowmeter is not allowed. Analysis: on-site inspection found that: ( 1) The six sets of intelligent vortex flowmeter is three sets of ( 3. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the intelligent vortex flow meter scale installation is not correct, in no case article details measurement. A certain refinery oil bulk platform has six sets of intelligent vortex flowmeter, only do loading monitoring. And measurement on the scale. Asked its reason, the intelligent vortex flowmeter is not allowed. Analysis: on-site inspection found that: ( 1) The six sets of intelligent vortex flowmeter is three sets of ( Three loading the same) Diesel, three sets of ( Three loading the same) Gas, all is depend on oil tanks ( Flowmeter higher position more than 10 meters) Gravity loading, no pressure oil pump, so it can only work a parking space to loading. Appear this kind of circumstance. Seems to choose who don't understand. The intelligent vortex flowmeter under the rated flow, pressure loss is big, can be 0. More than 1 mpa. （ 2) Six sets of intelligent vortex flow meter inspection regularly, year after year may test all qualified ( （ 0. Level 2) After retrieving, applications, and relatively large difference in scale, in up to a few percent, dare not do meter. （ 3) Six sets of intelligent vortex flow sensor installation are not qualified. This is the main cause of operation is not normal. The actual installation as shown: due to the flow sensor of two racks & middot; All is supported on the sensor measurement tube & middot; This is absolutely not allowed. Intelligent vortex flowmeter sensor installation, especially put forward the following principles: installation in order to eliminate the unbalanced stress formed during measuring pipe installation & middot; On the measuring tube is not allowed to add strong point; Increase in measuring pipe at each end a short tube, two points should be left to the dotted line in figure to the right position. In order to realize the support brace pipe, and then by the pipe rack up flow measurement, will never allow mountain sounding pipe rack pipe on both sides. （ 4) According to this post operation personnel, makes the six sets of intelligent vortex flowmeter is removed, the six sets of the pipeline flange (on both sides of the intelligent vortex flowmeter Mouth) Different heart, neither parallel nor even on both sides of the flange dislocation is very serious. On both sides of piping misalignment is large, strong pull hard, put on the intelligent vortex flowmeter measurement tube, measuring pipe can not generate unbalanced stress? Stress, measurement must not work properly. To solve this problem, it is recommended that they actively create conditions of rectification, on both ends of the flow measurement tube a flanged is the short tube ( About 200 mm in length) After assembling the tight ( No stress) At both ends, and the overall stress free welding line ( Of course no stress free welding, instead of a hose connection can also be) 。 Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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