Two-differential-pressure moisture flow on-line measuring device and method
A measuring device and dual differential pressure technology, which is applied in the direction of detecting fluid flow by measuring pressure difference and volume/mass flow generated by mechanical effects, can solve the problem of large flow resistance of orifice flowmeter, unfavorable pipeline moisture transportation, downstream flow Problems such as large field disturbance
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[0039] combined with figure 1 The specific embodiment of the present invention is described further:
[0040] The dual differential pressure wet gas flow online measurement device 2 includes an upstream Venturi flowmeter 1, a downstream spindle flowmeter 3 and a processor. The opposite ends of the Venturi flowmeter and the spindle flowmeter are connected by a flange. The flowmeter and the spindle flowmeter are respectively connected to the processor;
[0041] The inlet position and the throat position of the Venturi flowmeter are respectively equipped with pressure collection points, and the two pressure values P1 and P2 before and after the Venturi flowmeter are collected (P1 is the upstream pressure of the Venturi flowmeter, and P2 is the downstream pressure of the Venturi flowmeter) , wherein, the pressure P1 at the inlet position of the Venturi flowmeter (that is, the upstream pressure of the Venturi flowmeter) is the pressure of the pipeline;
[0042] The upstream and...
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