Đồng hồ đo lưu lượng hơi Yokogawa DY Vortex flow meter

The digital YEWFLO vortex flowmeter combines the field proven sensor and body assembly used in more than 450,000 units installed worldwide with a unique and powerful combination of digital technology that includes spectral signal processing (SSP), a Yokogawa innovation. The digitalYEWFLO vortex flowmeter is accurate and stable, even in harsh process conditions, and has a highly reliable and robust design that delivers improvements in plant efficiency and reduced operating costs.

Merits of Introduction

Calculate annual loss amount and effect of yearly fuel saving amount when measuring steam with digitalYEWFLO Vortex Flowmeter with 1% accuracy and with orifice instrumentation with 2 to 5% accuracy, respectively. As a result, it turned out that they can save 335,000 yen a year.

	digitalYEWFLO	Orifice instrumentation
Accuracy	± 1 % of reading	± 3 % of reading (average)
Diameter	40 mm
Flow rate	850 kg/h
Daily loss of steam due to error	204 [kg/day] (= 850 [kg/h] × 0.01 × 24 [h/day])	612 [kg/day] (= 850 [kg/h] × 0.03 × 24 [h/day])
Annual loss of steam (operating rate 90%)	67,014 [kg/year] (= 204 [kg/day] × 365 [days/year] × 0.9)	201,042 [kg/year] (= 612 [kg/day] × 365 [days/year] × 0.9)
Annual loss amount (steam unit price 2.5 [yen/kg])	167,535 [Yen] (= 67,014 [kg/year] × 2.5 [Yen/kg] × 1 [year])	502,605 [Yen] (= 201,042 [kg/year] × 2.5 [Yen/kg] × 1 [year])

Annual fuel savings (vs. orifice instrumentation)	-335,070 [Yen] (=167,535 [Yen] – 502,605 [Yen])

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