Abstract: the intelligent vortex flow meter scale installation requirements information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Intelligent vortex flowmeter, take temperature pressure compensation, measurement of steam flow, convenient installation, the following is their point on the installation of some attention. One, choose the installation site and environment to avoid strong power equipment, high-frequency equipment, strong power switch device. More flow meter manufacturers choose model price quote you are welcome to inquire, here is a intelligent vortex flow meter scale installation requirements article details. Intelligent vortex flowmeter, take temperature pressure compensation, measurement of steam flow, convenient installation, the following is their point on the installation of some attention. One, choose the installation site and environment to avoid strong power equipment, high-frequency equipment, strong power switch device; To avoid the influence of high temperature heat source and the radiation source, to avoid strong vibration and strong corrosive environment and so on, at the same time to consider easy installation and maintenance. Second, the upstream and downstream must have enough if straight pipe upstream of sensor installation points on the same plane with two 90. Elbow, are: straight pipe upstream & ge; 25 d, the downstream straight pipe & ge; 5D。 If the sensor installed upstream of point in different plane has two 90. Elbow, are: straight pipe upstream & ge; 40 d, downstream straight pipe & ge; 5D。 Regulating valve should be installed on the downstream side of the sensor outside 5 d, if must be installed in the upstream of the sensor, the sensor straight pipe upstream should be not less than 50 d, downstream should be not less than 5 d. Three, installation point of upstream and downstream piping should be concentric with sensor, coaxial deviation should be no less than 1/2 diameter. Four, pipe should adopt measures to reduce vibration sensors as far as possible avoid installed in strong vibration, transverse vibration in particular. If need to install the anti-vibration measures must be taken, respectively at the upstream and downstream of sensor 2 d piping fastening device, and vibration-proof pad. Five, installed in horizontal pipe runs is flow sensor zui installation method in common use. Measuring gas flow rate, if contain a small amount of fluid in the gas being measured, the sensor should be installed in the pipeline is relatively high. Measurement of liquid flow, if the liquid contains a small amount of gas being measured, the lower part of the sensor should be installed in the pipeline. Six, the installation of sensors in the vertical pipe measuring gas flow rate, the sensor can be installed in vertical pipe runs, flow to the unlimited. If the measured gas containing a small amount of liquid, gas flow should be from the bottom up. Measuring the liquid flow rate, liquid flow shall be from the bottom up, it won't attach additional liquid weight on the probe. So, both the choice of environment and pipeline installation, has certain requirements, only conform to the requirements of the installation, to ensure the safety of the instrument to normal use. 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 electromagnetic flowmeter inventory checking and debugging, advantage and application of information produced by excellent flow meter, flow meter manufacturer to offer you the quotation. Electromagnetic flowmeter is the use of electricity inkstone vexed now to state of the law of induction of ductal conductive liquid in which the instrument. Simple structure in the transmitter, tube not highlight or rotating parts. So is suitable for various corrosive such as acid, alkali, salt solution and solids in suspension. Liquid. More flow meter manufacturers choose model price quote you are welcome to inquire, here is the electromagnetic flowmeter inventory checking and debugging, advantage and application of the article details. Electromagnetic flowmeter is the use of electricity inkstone vexed now to state of the law of induction of ductal conductive liquid in which the instrument. Simple structure in the transmitter, tube not highlight or rotating parts. So is suitable for various corrosive such as acid, alkali, salt solution and solids in suspension. Content of the liquid side benefit such as pulp, paddle, etc. But it cannot be used for measurement of gasoline or other oil mixture. ( 1) Zero check and adjustment of the instrument before put into operation, after electrify must under the electromagnetic flowmeter sensor with liquid stationary state adjust the zero point. After put into operation will stop flow liquid conditions of use on a regular basis for zero check; Especially on precipitation, easy pollution electrode, the cleaning liquid containing solid phase, at the beginning of the run should be checked, in order to obtain experience to determine the normal inspection cycle. Ac excitation mode of electromagnetic flowmeter with rectangular wave excitation, are more likely to produce zero drift, so more attention should be paid to check and adjust. Two sedimentary malfunction application example of the error. A drilling for oil well cementing engineering, the total flow perfusion slurry is an important process parameters, often with high-pressure electromagnetic flowmeter. Instrument intermittent use, with finish to wash after sensor tube, the rest of the time are hollow tubes. Due to inadequate cleaning, measuring residue slurry solidifying into a thin layer of tube wall, nearly two months accumulation form the insulating layer, covering the entire electrode surface, leading to run not to the final can not work normally. Another test device for electrolytic cutting process, saturated salt water flow is controlled by electromagnetic flowmeter, clearance after using a period found that traffic signal gradually weakened, 2 months after the signal is zero. Reason is electrolytic iron deposition in the process of cutting tube wall, formation caused by short circuit. Clear stratification is back to normal immediately. ( 2) Regularly check the sensor performance 1) Roughly measure resistance between electrodes disconnect signal connection between sensor and converter, the sensor inside fluid-filled, to the two electrodes and grounding resistance value is measured with a multimeter, whether in the factory regulations electromagnetic meter value range, and the measured values of two is approximately the same. Record the measured resistance value for the first time, after this value to judge the sensor failure reason ( If sediment is conducting or insulating) Is useful. 2) Check emptying liquid electrode insulation resistance sensor, wipe the lining, after being completely dry megohm meter was used to measure the resistance between the two electrodes and earthing terminal. 3) Check the excitation winding insulation resistance sensor field coil terminal and converter indirectly line, measured by megohmmeter coil insulation resistance. Advantages: 1, the electromagnetic flowmeter without mechanical inertia, responsive, can measure the instantaneous pulse flow, also can measure the rate of flow of positive and negative two directions. 2, the output of the electromagnetic flowmeter is proportional to the average flow velocity of the measured medium, and with the flow state of symmetrical distribution ( Laminar or turbulent) Has nothing to do. So the electromagnetic flowmeter range very wide range, the measurement range can be up to 100:1, some even up to 1000:1 working flow range. 3, electromagnetic flowmeter sensor structure is simple, the measuring tube has no moving parts, no obstacles to fluid flow throttling components. So when the fluid flow through timing does not cause any additional pressure loss, flow meter is one of the flow meter running in the lowest energy consumption. 4, industrial use very wide range of the calibre of the electromagnetic flowmeter, from a few millimeters to a few meters, and the domestic existing diameter up to 3 m's real flow calibration equipment, which laid a foundation for the application and development of electromagnetic flow meter. 5, the electromagnetic flowmeter is a kind of volume flow measuring instrument, in the process of measurement, it is not affected by the temperature of the measured medium, viscosity and density with conductivity ( In a certain range), The influence of. Therefore, electromagnetic flowmeter only after water calibration, it can used to measure the conductivity of liquid flow. 6, measurable smudges medium, corrosive medium and clouding the liquid-solid two phase flow of traffic. 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 principles and method information for the selection of various flowmeters are provided by excellent flowmeter and flowmeter manufacturers and quotation manufacturers. First, the principle of flowmeter selection The principle of selecting a flowmeter is to have a deep understanding of the structural principles and fluid characteristics of various flowmeters. . Also consider. For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following are the principles and methods of various flowmeter selection. First, the principle of flowmeter selection The principle of selecting a flowmeter is to have a deep understanding of the structural principles and fluid characteristics of various flowmeters. . Economic factors must also be taken into account. In general, the selection should be made from the following five aspects: ① the performance requirements of the flowmeter; ② the fluid characteristics; ③ the installation requirements; ④ the environmental conditions; ⑤ the price of the flowmeter. 1. The performance requirements of the flowmeter The performance of the flowmeter mainly includes: measuring flow (instantaneous flow) or total amount (cumulative flow); accuracy requirements; repeatability; linearity; flow range and range; pressure loss; output signal characteristics and flowmeter response time, etc. (1) There are two types of flow measurement or total flow measurement, namely instantaneous flow and cumulative flow. For example, the crude oil in the pipeline of the sub-transportation station belongs to the custody transfer or the petrochemical pipeline for continuous proportional production or process control of the production process, etc. need to be measured The total amount, occasionally supplemented by the observation of instantaneous flow. In some workplaces, flow control requires instantaneous flow measurement. Therefore, the choice should be made according to the needs of on-site measurement. Some flowmeters such as positive displacement flowmeters, turbine flowmeters, etc., the measurement principle is to directly obtain the total amount by mechanical counting or pulse frequency output, which has high accuracy and is suitable for measuring the total amount, if equipped with a corresponding signaling device Flow can also be output. Electromagnetic flowmeters, ultrasonic flowmeters, etc. deduce the flow rate by measuring the fluid flow rate, with fast response and suitable for process control. (2) The accuracy level of the accuracy flowmeter is specified within a certain flow range. If it is used under a certain condition or within a relatively narrow flow range, for example, it only changes within a small range. At this time The measurement accuracy will be higher than the specified accuracy class. If a turbine flowmeter is used to measure oil in barrels for distribution, when the valve is fully opened, the flow rate is basically constant, and its accuracy may be improved from 0.5 to 0.25. It is used for trade accounting, storage and transportation transfer and material balance. If the measurement accuracy is required to be high, the durability of the accuracy measurement should be considered. Generally, the flowmeter is used in the above cases, and the accuracy level is required to be 0.2. In such workplaces, measurement standard equipment (such as volume tubes) is generally equipped on site to conduct online detection of the flowmeters used. In recent years, due to the increasing tension of crude oil and the high requirements of various units for crude oil measurement, the implementation of coefficient handover for crude oil measurement is proposed, that is, in addition to the periodic inspection of the flowmeter every six months, the two parties in the trade handover negotiate every 1 month or 2. The flowmeter is verified monthly to determine the flow coefficient, and the data is calculated according to the data measured by the flowmeter and the flow coefficient of the flowmeter for handover to improve the accuracy of the flowmeter, also known as zero-error handover. The accuracy class is generally determined based on the maximum allowable error of the flowmeter. It is given in the flowmeter instructions provided by each manufacturer. It is important to note whether the percentage of error refers to relative error or reference error. The relative error is the percentage of the measured value, commonly used“%R”express. The reference error refers to the upper limit of the measurement or the percentage of the range, commonly used“%FS”. Many manufacturer's instructions do not indicate this. For example, float flowmeters generally use reference errors, and some models of electromagnetic flowmeters also use reference errors. If the flowmeter is not simply measuring the total amount, but is used in the flow control system, the accuracy of the detection flowmeter should be determined under the control accuracy requirements of the entire system. Because the whole system not only has the error of flow detection, but also includes the error and various influencing factors of signal transmission, control adjustment, operation execution and so on. For example, if there is a hysteresis difference of about 2% in the operating system, it is uneconomical and unreasonable to determine an excessively high accuracy (above 0.5) for the measuring instrument used. As far as the instrument itself is concerned, the accuracy between the sensor and the secondary instrument should also be properly matched.±2.5%～±Between 4%, it is meaningless to match a differential pressure gauge with a high accuracy of 0.2% to 0.5%.
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Installation and Maintenance Best Practices for Orifice Meters

Introduction

Orifice meters are widely used in the oil and gas industry for measuring the flow rate of fluids in pipelines. Their simplicity, accuracy, and cost-effectiveness make them one of the most preferred devices for flow measurement. However, to ensure optimal performance and accuracy, proper installation and regular maintenance are crucial. In this article, we will discuss the best practices for installing and maintaining orifice meters.

1. Choosing the Right Location

The first step in installing an orifice meter is selecting an appropriate location. It is important to choose a site that is easily accessible for regular inspection and maintenance. The meter should be installed in a straight section of the pipeline, free from any obstructions such as valves or bends. This ensures that the fluid flow remains undisturbed and the meter provides accurate measurements.

2. Proper Alignment and Support

During the installation process, it is crucial to ensure proper alignment and support of the orifice meter. Misalignment can lead to inaccurate measurements and increased wear and tear on the meter. It is recommended to use alignment pins or flanges to align the meter with the pipeline. Additionally, proper support brackets should be used to prevent any strain on the meter, ensuring its longevity and accuracy.

3. Correct Installation of Seals and Gaskets

To prevent leakage and ensure the integrity of the measurement, it is essential to install proper seals and gaskets. The seals should be compatible with the fluid being measured to prevent any corrosion or degradation. During installation, it is important to inspect the seals and gaskets for any signs of damage or wear. Regular maintenance should include replacing these components as needed to maintain accurate measurements and prevent leakages.

4. Connection and Calibration of Pressure and Temperature Transmitters

Orifice meters require pressure and temperature transmitters to accurately calculate the flow rate. During installation, it is essential to ensure proper connection and calibration of these transmitters. Incorrect calibration can lead to inaccurate measurements and compromise the overall performance of the meter. Regular calibration checks should be conducted to ensure the transmitters are accurately measuring pressure and temperature, allowing for precise flow calculations.

5. Regular Cleaning and Inspection

Regular cleaning and inspection are crucial for maintaining the performance and accuracy of orifice meters. Scale, debris, or other contaminants can accumulate on the orifice plate, affecting its performance and accuracy. To prevent this, the orifice plate should be regularly cleaned using appropriate cleaning agents or methods recommended by the manufacturer. Additionally, the meter should be inspected for any signs of damage, such as erosion or corrosion, which can also impact its accuracy.

Conclusion

Proper installation and regular maintenance are essential for ensuring the optimal performance and accuracy of orifice meters. Choosing the right location, aligning and supporting the device correctly, installing proper seals and gaskets, calibrating transmitters accurately, and conducting regular cleaning and inspection are crucial steps in maintaining the accuracy and longevity of orifice meters. By following these best practices, operators can rely on the measurements provided by their orifice meters, leading to better decision-making, improved efficiency, and reduced costs in the oil and gas industry.

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Cone Flow Meters: Navigating the Dynamics of Flow Measurement Technology

Cone Flow Meters: An Introduction

Flow measurement technology is a critical component in various industries, including oil and gas, chemical processing, and water treatment. Accurate flow measurement is essential for ensuring the efficiency and reliability of industrial processes, as well as for complying with regulatory requirements. Cone flow meters are a type of differential pressure flow meter that is widely used for measuring the flow of liquids, gases, and steam. In this article, we will explore the dynamics of cone flow meters, their working principles, applications, advantages, and limitations.

Cone Flow Meters: Working Principles and Design

Cone flow meters, also known as differential pressure cone meters, operate on the principle of the Bernoulli equation, which relates the velocity and pressure of a fluid. The meter consists of a cone-shaped restriction that is placed in the flow stream. As the fluid flows through the meter, it accelerates as it passes through the conical section, resulting in a decrease in pressure. The pressure drop across the cone is measured using pressure sensors, and the flow rate is calculated based on the relationship between the pressure drop and the flow velocity. The design of the cone flow meter is critical for ensuring accurate and reliable measurement. Factors such as the angle and length of the cone, the diameter of the throat, and the material of construction can significantly impact the performance of the meter.

Cone Flow Meters: Advantages and Applications

One of the key advantages of cone flow meters is their ability to provide accurate and stable measurement across a wide range of flow rates and fluid types. They are particularly well-suited for applications involving high-viscosity fluids, abrasive or corrosive materials, and fluctuating flow conditions. Cone flow meters are commonly used in the oil and gas industry for measuring the flow of crude oil, natural gas, and refined products. They are also employed in chemical processing plants for monitoring the flow of various chemicals and solvents. Additionally, cone flow meters find applications in the food and beverage industry, pharmaceutical manufacturing, and power generation facilities.

Cone Flow Meters: Limitations and Considerations

While cone flow meters offer several advantages, they also have certain limitations that should be taken into account when selecting a flow measurement solution. One of the main limitations of cone flow meters is their sensitivity to changes in fluid viscosity and temperature. As the viscosity of the fluid or the temperature of the process changes, the flow profile within the meter can be affected, leading to inaccuracies in the measurement. Additionally, the presence of particulate matter or entrained gases in the fluid can cause erosion or blockage of the meter, impacting its performance. It is essential to carefully consider the operating conditions and the properties of the fluid when choosing a cone flow meter for a specific application.

Cone Flow Meters: Installation and Maintenance

Proper installation and maintenance are crucial for ensuring the long-term performance and accuracy of cone flow meters. The meter should be installed in a section of the pipe where the flow profile is fully developed to obtain accurate measurements. Regular calibration and verification of the meter are necessary to detect any drift or deviations in the measurement. In applications involving aggressive or abrasive fluids, it may be necessary to install protective liners or coatings to prevent damage to the meter. Routine inspection and cleaning of the meter are also essential to remove any buildup of deposits or contaminants that could affect its operation.

Cone Flow Meters: The Future of Flow Measurement

As industries continue to evolve and demand increasingly sophisticated flow measurement solutions, the future of cone flow meters looks promising. Ongoing advancements in sensor technology, materials science, and data analytics are driving the development of next-generation cone flow meters with improved accuracy, reliability, and durability. The integration of digital communication protocols and wireless connectivity is enabling real-time monitoring and remote diagnostics of cone flow meters, enhancing their functionality and usability. With the growing emphasis on environmental sustainability and energy efficiency, cone flow meters are expected to play a vital role in optimizing process performance and reducing resource consumption across a wide range of industries.

In conclusion, cone flow meters are a versatile and reliable flow measurement technology that offers numerous benefits for industrial applications. By understanding the working principles, advantages, limitations, and best practices for installation and maintenance, businesses can leverage cone flow meters to enhance the efficiency and productivity of their operations. As technology continues to evolve, cone flow meters are poised to remain a key component of the flow measurement toolkit, providing valuable insights and control over fluid flows in a wide array of industrial processes. With ongoing innovation and advancements, cone flow meters will continue to navigate the dynamics of flow measurement technology and contribute to the advancement of industrial processes.

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