Abstract: scale vortex precession flowmeter in the oil field measurement, the application of information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Abstract: I choose flowmeter performance stability, small amount of maintenance. The article through the introduction of the principle of vortex flowmeter and its advantages to further illustrate applicability in oil field. The basic principle of vortex precession flowmeter when along the axial flow of fluid into the traffic. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a scale in oilfield measuring precession vortex flowmeter in details in this paper. I choose flowmeter performance stability, small amount of maintenance. The article through the introduction of the principle of vortex flowmeter and its advantages to further illustrate applicability in oil field. The basic principle of vortex precession flowmeter when along the axial flow of fluid into the flow sensor is fashionable, blade force fluid into the rotary motion, then produce spiral flow in the center of the vortex sprawling body. In the venturi tube precession vortex flow, reached the contraction section of throttling the vortex flow suddenly accelerated. When along the axial flow of fluid into the flow sensor is fashionable, blade force fluid into the rotary motion, thus produce spiral flow in the center of the vortex sprawling body. In the venturi tube precession vortex flow, reached the contraction section of throttling the vortex flow suddenly accelerated. After the vortex flow into the diffuser, due to the effect of reflow forced precession type quadratic rotation. At this point, the rotation of the vortex flow frequency is proportional to the medium flow rate, and linear. Piezoelectric sensors to detect the weak signal charge after preamplifier amplification, filtering, plastic into frequency is proportional to the velocity of the pulse signal, zui to count to send totalizer. especially after processing. By flow totalizer. especially temperature and pressure testing of analog channels and micro processing unit, and is equipped with a transmission signal interface, the output signals. Flowmeter in microprocessor according to the medium temperature of detected Chad medium density and pressure, complete medium and volume flow to mass flow detection. Flow meter in the microprocessor can be carried out in accordance with the gas equation of temperature compensation, and automatically compress factor correction. The advantage of vortex precession flowmeter ( 1) Precession vortex gas meter that can detect the medium temperature and pressure, well then compressed for automatic compensation and automatic correction factor. It also can be directly testing the standard volume of the gas or the mass flow of saturated steam. （ 2) Precession vortex flow meter adopts advanced microcomputer technology and high-performance integrated chip, using high and new technology such as advanced micro power consumption, low power consumption. The flow meter as well as by the battery power supply to run for a long time, but also by external power supply mode. （ 3) The meter adopts LCD display, clear and easy reading. With the pulse signal output, can also according to customer's need standard analog signal output 4 ~ 20 raa. （ 4) Adopt RS485 interface and PC connected to the Internet. 64 on a machine can take each flowmeter, and only two communication thread. Installation cost is low, making it easy for users to centralized management. Conclusion so from the perspective of the use of oil field, the vortex precession flowmeter performance stability, small amount of maintenance. Using data measured by the vortex precession flowmeter, can and the analysis and research, mouth unit block of the oil well production, achieve the target management and construction. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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Abstract: the intelligent vortex flow meter scale what items should be checked before using information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Intelligent measuring principle of vortex flowmeters is set in the fluid body vortex occurs, in the event of a body can produce regular alternately on both sides of the vortex, downstream asymmetric vortex column in spiral body is arranged, is known as the karman vortex street, vortex street will produce certain. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the intelligent vortex flow meter scale what matters article details should be checked before use. Intelligent measuring principle of vortex flowmeters is set in the fluid body vortex occurs, in the event of a body can produce regular alternately on both sides of the vortex, downstream asymmetric vortex column in spiral body is arranged, the so-called & other; Karman vortex street & throughout; , vortex street can produce a certain frequency, through formula f = v/St * ( 1 - 1. 27 D / D) *d，( St to strouhal number, as the dimensionless number, associated with spiral body and Reynolds number; V as the velocity of flow; D to happen right against the face width; D for the nominal diameter) Can be concluded that the velocity. Intelligent vortex flowmeter, mainly used for industrial piping medium fluid flow measurement. Such as gas, liquid and vapor, and other media. Is characterized by small pressure loss, wide range, high precision, working condition of the measurement volume flow is almost not affected by the fluid density, the influence of the parameters such as pressure, temperature, viscosity. No moving mechanical parts, so high reliability, small amount of maintenance. Intelligent flowmeters parameters can be long-term stability. This instrument USES piezoelectric stress sensor, high reliability, can be in - The working temperature of 10 ℃ ~ + 300 ℃ within the scope of work. There are standard signal simulation and digital pulse signal output, easy with a computer digital systems, such as a more advanced, the ideal flowmeter. Generally speaking, vortex street flowmeter output signal, Frequency) Is not affected by changes of fluid physical properties, and component, is refers to the instrument coefficient only involved in the body shape and size as well as the Reynolds number vortex. Its advantages are: simple structure and firm, easy installation and maintenance; Suitable for many kinds of fluid, liquid, gas, steam, and partially miscible phase all apply; Accuracy is higher, general & plusmn; About 1% R; Wide flow range and can reach 10:1 or those days or more; Small head loss; No zero drift; The price is relatively cheap; Defect is: not suitable for low Reynolds number Re < 20000, with high viscosity, low flow velocity, and the use of small diameter limit; On the environment of the demand is higher, should try to put an end to the places where the vibration, and the straight pipe upstream side need to have a longer; Less meter coefficient is low, the greater the diameter. To reduce the signal resolution, it shoulds not be too great caliber, commonly used in DN15 ~ DN300mm. Vortex street flowmeter what precautions before install and use, this article made a brief introduction for you. A, no signal output online detection sensor and sensor signal output, check the probe connection and amplified board has not been found that the problem, break down big board check there is no problem. Still no signal after reinstalling. Tapping amplification board, found that the signal, then conclude that enlarge virtual connect plate component, check the solder joints, welding, and installation, commissioning, normal. In the process of inspection, debugging, found that the sensor installed on the pipeline, and display instrument is installed in the control room, the two not only distance, and division, adjust the sensor when cannot see directly from the display instrument commissioning. Second, the adjustment of the sensitivity of intelligent flowmeters has adjustment and calibration before leaving the factory, but as a result of calibration medium and the actual medium is different, different calibration medium and the actual conditions, or use the unit to provide technical parameters is not very accurate, so the installation time to adjust for the first time. 1. When there is no fluid flow in the pipeline, should be no signal display instrument, such as signal output, high sensitivity, light adjustable potentiometer sensitivity to counterclockwise, reduce the sensitivity. 2. When a medium in the pipeline, or unstable signal, the light can adjust magnification potentiometer, the increase/decrease. Three, the choice of compensation device and install the use of intelligent flowmeters, shall generally be in smooth flow, temperature and pressure under the condition of little change measurement is accurate, but the actual usage is often not ideal, so we need compensation device. There are two kinds of compensation device, namely, pressure compensation and temperature compensation. 1. Pressure compensation. Pressure transmitter is more sensitive, but the price is higher, installed on the sensor, the downstream, install a distance of 1 d to 2 d. 2. Temperature compensation. Due to temperature compensation with the thermocouple or heat resistance, response time, but the price is low, when installation should be in the upper sensor, and the vertical position or counter-current installation, a distance of 3 d to 4 d. Four, the use of simple adjustment for general intelligent flowmeters is continuous, problems arise can't remove the check, here is introduced a method of on-line inspection, this method is applicable to the riot. Oscilloscope used to check after calibration, the oscilloscope wiring hook and line, into the ground and ground, adjust the oscilloscope, shall have the uniform of a square wave pulse signal. General manufacturer in the instruction for use in both high and low level output regulation, from the oscilloscope display square wave v whether value view is consistent with the specified value. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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Abstract: the scale of the vortex flowmeter installation note information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Vortex flow meter installed to note: 1, the vortex street flowmeter is precision instrument, instrument should choose installed in a dry and ventilated place, less dust. 2, use steam instrument, table body, the pipeline must be with insulation, flange to step up, can not have leakage. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the installation of the vortex flow meter scale considerations article details. Vortex flow meter installed to note: 1, the vortex street flowmeter is precision instrument, instrument should choose installed in a dry and ventilated place, less dust. 2, use steam instrument, table body, the pipeline must be with insulation, flange to step up, can not have a flat place, otherwise the instrument is easy to damage. 3 good choices, instrument installation zui indoors, away from the shock and strong electromagnetic interference. As in the outdoor, headers can be protected. 4, instrument should have at least 10 - 15 times of the straight pipe section, after more than five times the straight pipe. Choose to install places to ease of installation, connection and debugging. 5, good zui has a straight pipe, prior to installation flange welding two pieces of good after, then instrument installed clamping, cut the pipe length of straight pipe, and then welded integral table before to install them. Don't put table in flange welding of avoid by all means. Above is all there is in this article, you are welcome to inquire me manufacturer flowmeter selection, quotation, etc.
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Precession vortex flowmeter manufacturers and suppliers explain the structure and principle of flowmeters! For the measurement of gas, since its density is greatly affected by temperature and pressure, in order to accurately measure the volume flow of the gas medium, it is necessary to track the temperature and pressure of the detection medium at the same time, and convert the gas flow under different conditions into a standard state. volume flow. With the development of science and technology, the precession vortex flowmeter has been developed from the non-intelligent type to the intelligent type, the function has been further improved, and the stability has been further strengthened. The following is a brief introduction to the structural characteristics of the intelligent precession vortex gas flowmeter. (1) The structure of the flowmeter The precession vortex flowmeter is mainly composed of four major components: 1) The precession vortex flow sensor is composed of a vortex generator, a shell, a vortex detection group, and a vortex rectifier; 2) Flow accumulation The instrument is composed of shell, temperature interface, pressure interface, display window and output interface; 3) temperature sensor assembly; 4) pressure sensor assembly. (2) Main features 1) It integrates temperature, pressure, flow sensors and intelligent flow totalizers, which can detect the temperature, pressure and flow of the working medium, and perform automatic compensation and automatic correction of compression factors, which can directly detect gas standards Volume flow or mass flow of saturated steam. 2) No mechanical moving parts, not easy to corrode, good reliability and stability, long-term work without maintenance. 3) Parameters such as temperature, pressure and flow can be displayed on the LCD) screen, and can be interfaced with other automation systems by 4~20mA standard analog signal output. 4) The machine can work with the built-in battery, and can also be powered by an external power supply. 5) With explosion-proof function, it can be used in places with explosive danger.
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Abstract: The information on how to identify the quality of the vortex flowmeter is provided by the excellent flowmeter and flowmeter manufacturers. Vortex flowmeter is an extremely versatile flow meter, which can be used in almost all gas, liquid and steam flowmeter measurement and control. Our company has developed a new generation of HHWJ series digital intelligent vortex flowmeter with international advanced level. , it breaks. More flowmeter manufacturers choose models and price quotations. You are welcome to inquire. The following is the article details on how to identify the quality of vortex flowmeters. Vortex flowmeter is an extremely versatile flow meter, which can be used in almost all gas, liquid and steam flowmeter measurement and control. Our company has developed a new generation of HHWJ series digital intelligent vortex flowmeter with international advanced level. , it breaks through the limitation of the traditional analog way to process the vortex street signal, through the modern digital signal processing method to identify and filter the vortex street probe signal, so as to obtain the normal flow signal, greatly improve the seismic performance of the vortex street, fundamentally It has solved the problem that the vortex street is not anti-seismic for decades. It is widely used in the flow of water, salt and wind in petrochemical, light industry, thermal power, papermaking and other industries. Determining the quality of the vortex flowmeter is related to two parts: 1. The probe; 2. The circuit board probe: there are two piezoelectric crystals, one for anti-vibration interference and one for detection. The probe leads are the two leads of the test piece. The probe shell is inserted into the vortex body tube wall and fixed on the vortex body tube wall through the fixing flange. The probe can work normally under 300℃, and can resist up to 350℃. If the temperature is higher, it will destroy the sealed porcelain body, degrade the performance of the probe, and even damage the probe. We have available multimeters“×10k”If there is resistance, the performance of the probe will be degraded; if it is below tens of kiloohms, the probe will be damaged. Circuit board: Its design is directly related to whether the signal generated by the vortex street is correct or not. We can usually view the waveform generated by the flowmeter when it is working with an oscilloscope. The sealing between the sensor and the meter body of the vortex flowmeter is very important in production. If the sealing is not good, the meter will leak. The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'How to identify the quality of the vortex flowmeter'
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