Ultrasonic flow meter scale in the water measurement in metallurgical enterprises

Abstract: ultrasonic flowmeter scale in the water measurement in metallurgical enterprises are promising information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Jiang Sujin source instrument engineering co. , LTD. As a brand of jiangsu quality flow meter manufacturers, the main products: electromagnetic flowmeter, ultrasonic flowmeter, orifice flow meter, water meter, open channel flow meter, V cone flowmeter, gas meter, etc. , our factory specializing in the production of manufacturing. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the ultrasonic flow meter scale water measurement in metallurgical enterprise greatly as the article in details. Into the source of instrument engineering as a quality brand flow meter manufacturers, the main products: electromagnetic flowmeter, ultrasonic flowmeter, orifice flow meter, the sewage flow meter, open channel flow meter, V cone flowmeter, gas meter, etc. , our factory specializing in the production of manufacturing flow meters, pressure gauges, temperature instruments, level instruments, calibration instruments, instrument electrical cabinet, wire and cable and other instruments, etc. Welcome new and old customers advisory and procurement, we with sincere service for you! Is continuous comprehensive metallurgical enterprises, not only large energy consumption but also large consumption of fresh water. A special water is a kind of earth resources, especially the fresh water of more scarce resources, groundwater tons of water cost greatly increased year by year. To save water is an enterprise economic problems, more important is a matter of enterprise sustainable development and harmonious development of society and people's livelihood of major social problems. Performance measurement is the enterprise to save water measurement technology support, measuring water reasonable control of the enterprise has the irreplaceable role and guiding role. Measurement technology support to realize the enterprise information management plays a basic role. Enterprise of water metering, mostly adopt mechanical water meter, it exists defects as follows: (1) low accuracy, positive and negative deviation; 2 easy to damage; (3) calibration or calibration is not convenient; (4) after table pipe reducing water pressure loss; 5] cannot display real-time traffic; [6] measurement data cannot be remotely through the network transmission, in particular, can not adapt to the enterprise information demand. Technical personnel after the industrial liquid flow meter data review and physical contrast, combined with the enterprise information construction requirements, mostly to measured using ultrasonic flowmeter to water. It is understood that, jinan and other large metallurgical enterprises in lai steel group, place of head office of measurement and steel mills, steel mills, between the power plant of rolling mills, water measurement has gradually adopt ultrasonic flowmeter, and try to use a portable. One, the measuring principle of ultrasonic flowmeter, ultrasonic flowmeter is a kind of non-contact flowmeter. Working principle is: the spread of ultrasound in fluid when the velocity is affected by the fluid velocity, by measuring the propagation velocity of ultrasound in the fluid that can detect the flow rate of the fluid flow and conversion. With zui widely used method of time difference ultrasonic flowmeter, for example, when the ultrasonic wave in fluid transmission downstream direction of ultrasonic velocity increases, the flow direction is reduced, namely the same propagation distance have different propagation time, reuse is the difference between the propagation speed and current body relationship to calculate the velocity of flow and conversion of flow. When the ultrasonic beam in the inland waters flow direction of medium in pipe & other; The upstream sensor & throughout; With & other; Downstream sensors & throughout; Spread, the flow of water can make the propagation time of ultrasonic beam relative to the static spread a small change, and the change of the propagation time is proportional to the velocity of water, this is the time difference ultrasonic flowmeter measurement principle. The relationship between the theory of expression type as follows: V = MD/sin2 & theta; × Delta T/TupTdown which M— In water for ultrasonic beam line number & theta; — For ultrasonic beam and the water flow direction Angle Tup— Time (for the spread of ultrasonic beam in the square up By the travel time between the sensor to the downstream sensors) Tdown— For the propagation time of ultrasonic beam in reverse direction ( By the travel time between the sensor to the upstream downstream sensors) Delta T = Tup - Tdown the characteristics of ultrasonic flowmeter, ultrasonic flowmeter based on micro processing technology, adopting the integrated circuit and low voltage pulse wide launch technology and design. On the measurement technology, to achieve higher resolution and larger measurement range, more use of 0. 1 ns ultra-high resolution time measuring circuit. It is dedicated to liquid medium especially water measurement. Its salient features are: precision grade for & plusmn; 1. 0%, which can be installed without shutdown state with pressure can be installed on the host value standards such as control room can also output current, pulse signal and can use RS232 or RS485 interface communication measurement data remote transmission. In addition the flow meter with high reliability, low power consumption, anti-jamming, the advantage of easy installation and maintenance. Three, the construction and installation of ultrasonic flowmeter 1, the structure of the ultrasonic flowmeter, ultrasonic flowmeter in general can be divided into field sensor ( The probe) Three most, transmission cables, show host. The sensor has a clip-on, plug-in, French blue type ( The pipe sections) , show host stationary, portable, and portable host can be equipped with clamp type sensor for fixed online run compare ultrasonic flowmeter ( Field calibration) And installation is very simple, About more than ten minutes) 。 2, ultrasonic flowmeter measurement point determination of the ultrasonic flowmeter should be first selection of a suitable measurement point, and then the measurement point of pipe parameter input flow meter, zui sensor (after The probe) Installed on the pipe.

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