1158 c clip type ultrasonic flowmeter scale practical application in the production of slag water measurement

Abstract: 1158 c clip type ultrasonic flowmeter scale practical application in the production of slag water measurement information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. One, the article Outlines the flow measurement in industrial production is a very important work, is the guarantee for the stable production to provide accurate traffic data of basic work, on the choice of flow measuring instrument is particularly important, according to chemical production. More flow meter manufacturers choose model price quote you are welcome to inquire, here is 1158 c clip type ultrasonic flowmeter scale in the practical application in the production of slag water measurement details. One, the article Outlines the flow measurement in industrial production is a very important work, is the guarantee for the stable production to provide accurate traffic data of basic work, on the choice of flow measuring instrument is particularly important that how to according to the measured medium in the chemical production to the choice of reasonable measuring instrument, and to provide control for production automation of continuous and stable measurements play a key role. Embellish of instrument science and technology is a set research and development and production in one professional flowmeter production enterprises, focus on the flow meters have been developed over the years, the company production of a clamp type ultrasonic flowmeter products, because of its easy installation, high measuring accuracy, good stability by the market's consistent high praise. Let's talk about the flow of the basic situation. Second, in fact - 1158 c clip type ultrasonic flowmeter measurement principle RZ - 1158 c type ultrasonic flowmeter, is the use of ultrasound in transverse through the flow of liquid, in the downstream and upstream medium, the ultrasonic speed difference and velocity difference ( Time difference) 。 Method of time difference ultrasonic flowmeter is to use the principle to measure the fluid velocity and flow rate. Specific methods are as follows: within the fixed length L of the distance, placed a launch ultrasonic transducer ( Commonly known as ultrasonic probe) And a receiving ultrasonic transducer. Launch of the ultrasonic transducer is usually made of material such as quartz piezoelectric element as a transducer. During launch ultrasonic is the use of negative pressure electric effect, it is using high frequency electrical pulse, change to high frequency vibration of piezoelectric crystal, thus a pulse of high frequency stress wave ( The ultrasonic) 。 Opposite the receiving transducer is installed in the pipeline, it is using the piezoelectric effect, the high frequency stress wave and converted into high frequency electrical pulse signal. Can take turns to alternately with the same transducer and emission of high frequency and short pulse pressure wave, and is used to receive the opposite from the transducer pulse pressure wave. Can use a set of ultrasonic transducer and do accept and use. （ As shown) , for the downstream and upstream have jet lag: type measuring principle diagram countercurrent propagation time t1 = L/( C - Vcosθ) And downstream propagation time t2 = L/( C + Vcosθ) The spread of the time difference value is: delta T = t1 - t2=L/( C - Vcosθ) - L/( C + Vcosθ) Due to the liquid velocity V under several meters per second, about 15 oom and fluid velocity C/s, C2? 吗? V2, so: delta T = 2 vlcos theta/C2: V = C2 delta T/( 2Lcosθ） ( 1) Type: C the sound velocity in static fluid, m/s. V as the fluid velocity; L is the distance between the probe, m; Theta is formed by the velocity vector and the probe orientation between the point of view. From the type, 1) As you can see, from generator of the speed of ultrasonic wave to the receiver change is proportional to the fluid velocity within the piping. Refus this pipe parameters into the instrument, collect data by the converter transformation is the instantaneous flow rate, and total flow. Instantaneous flow is: Q = 450 PI LC2 delta Tsin theta tan theta ( m3 / h) Third, RZ - 1158 c the characteristics of the ultrasonic flowmeter sensor can be installed on the outer wall of the pipeline under test, realize the non-contact measurement, which does not interfere with the flow field, and is not affected by flow field parameters. A linear relationship with its output and the basic flow, the accuracy can reach 1%, the price is not increased along with the augment of pipe diameter, especially suitable for large diameter pipe and mixed with impurities or corrosive liquid measure and technical reformation. Four, the application in the chemical production process of slag discharge slag flow system test the original design of electromagnetic flowmeter, in actual production, the slag water containing white crystal ( Less than 10 g/L, the particle size of less than 1 mm) , it will be the electromagnetic flowmeter electrode broke, in this case the electromagnetic flowmeter can't use here. According to the characteristics of the ultrasonic flowmeter, my company to switch to Beijing HengAn clip-on outside series ultrasonic flowmeter. Outer clamp type ultrasonic flowmeter is the use of ultrasonic pulse through fluid good or poor propagation speed, the difference between the two directions to find the flow of fluid, is in absorbs the domestic and foreign ultrasonic flow meter above the many advantages of successful development of new type of ultrasonic flow meter. Instrument used SMT integrated circuit, low voltage pulse transmission techniques. Characteristics: the pipe outside measurement, probes it is mounted at outside of the wall, but in the case of production, water installation measurement. Air bubbles or solids in liquid resistance is greatly increased. Variable frequency interference with other noise interference ability also rises greatly. Using the low power design, so the power consumption is less than 0. 5W。 Wide applicable scope: a meter can be measured within the scope of a line.
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