Detailed introduction of balance flow meter

Abstract: The detailed introduction information of the balance flow meter is provided by the excellent flow meter and flow meter production and quotation manufacturers. The HNPH series balance flowmeter has greatly improved the traditional throttling device and has the remarkable feature of balanced rectification. The traditional throttling device has only one flow aperture, which makes the fluid lose its ideal state after throttling; while the balance flowmeter has multiple function apertures, which can be used to reduce the flow rate. For more flowmeter manufacturers to select models and price quotations, you are welcome to inquire. The following is a detailed introduction to the balance flowmeter. The HNPH series balance flowmeter has greatly improved the traditional throttling device and has the remarkable feature of balanced rectification. The traditional throttling device has only one flow aperture, and the fluid loses its ideal state after throttling; while the balance flowmeter has multiple function apertures, which can maximally balance and rectify the flow field into an ideal fluid, thereby reducing the differential pressure flowmeter's performance. The advantages are brought into full play. Balanced flowmeter is suitable for almost all fluid measurement, which is a revolution in fluid measurement technology. At present, balanced flowmeter has been widely used in petroleum, chemical, metallurgy, electric power, natural gas, water treatment and other industries. Product Principle The Balance Flowmeter is a revolutionary differential pressure flow meter, and its working principle, like other differential pressure flowmeters, is based on the principle of energy conversion in a sealed pipeline: the flow rate in the pipeline in the case of an ideal fluid It is proportional to the square root of the differential pressure; the flow in the pipeline can be calculated according to the Bernoulli equation with the measured differential pressure. The balanced flow sensor is a porous disc throttling rectifier installed on the section of the pipe, and the size and distribution of each hole is customized based on special formulas and test data, called function holes. When the fluid passes through the function hole of the disc, the fluid will be balanced and rectified, the eddy current will be minimized, and an approximate ideal fluid will be formed. Through the pressure-taking device, a stable differential pressure signal can be obtained, and the volume flow rate, Mass Flow. The characteristics of the balance flowmeter 1. The measurement accuracy is 5 to 10 times that of the standard orifice plate. 2. The flow noise is 1/153 of the standard orifice plate. *The pressure loss is 1/34 of the standard orifice plate. 2 times 5. The minimum straight pipe section can be less than 0.5D 1. High linearity and good repeatability The balanced flow sensor has the characteristics of symmetrical porous structure, which can balance the flow field, reduce eddy current, vibration and signal noise, and greatly improve the stability of the flow field The improvement makes the linearity 5 to 10 times higher than that of the orifice plate, and the repeatability is increased by 54% to 0.15%. From the perspective of its comprehensive performance, the balanced flowmeter belongs to the ranks of high-end flowmeters. Linearity up to 5:1 turndown ratio±0.3%; linearity up to 7:1 turndown ratio±0.5%; linearity up to 10:1 turndown ratio±1.0% 2. The straight pipe section requires a low balance flow sensor. Because the flow field is stable and the pressure recovery is twice as fast as that of the orifice plate, the requirements for the straight pipe section are greatly shortened. D, thereby eliminating a large number of straight pipe sections, especially pipes of special expensive materials. 3. The porous symmetrical balance design reduces the pressure loss, reduces the formation of turbulent shear force and eddy current, and reduces the loss of kinetic energy. Under the same measurement conditions, the maximum pressure is reduced by 2.5 times compared with the orifice plate. It is an energy-saving instrument, which is worthy of a large number of promotions. 4. Porous symmetrical balanced design that is resistant to dirt and not easy to block, reduces the formation of turbulent shear force and eddy current, thereby greatly reducing the formation of dead zone, ensuring the smooth passage of dirty media through multiple holes, reducing fluid holes Opportunity to be blocked. 5. The orifice plate can be directly replaced. It has the same usage and shape as the orifice plate, so it can be replaced directly without any changes in piping and related instruments. It is very suitable for changing the orifice plate to the energy metering transformation of the whole plant. Balance flow meter. Sixth, the flow measurement range is wide. According to the test results, we know that the performance of the flowmeter is balanced, so that the flow rate can be from the minimum to the speed of sound; the minimum Reynolds number can be lower than 200, and the maximum Reynolds number is greater than 107;βThe value can be selected from 0.25 to 0.90. 7. Good long-term stability Due to the obvious reduction of the turbulent shear force, the direct friction between the medium and the throttling member is greatly reduced.βThe value remains constant over a long period of time, and the entire meter has no moving parts, thus maintaining long-term stability. 8. Measurable high temperature and high pressure medium is the same as throttling devices such as orifice plates. The working temperature and pressure depend on the material and grade of the pipes and flanges. The working temperature can reach 850℃ and the working pressure can reach 42MPa. 9. The medium under complex working conditions can be measured due to its special structural design, which makes it have special properties. It can carry out gas-liquid two-phase, various mixed gases (such as gas, biogas, coal gas, etc.), various low-temperature gases ( Such as LNG, liquid nitrogen, liquid oxygen, liquid argon, liquid hydrogen, liquid chlorine, liquefied ethylene, liquefied petroleum gas, etc.), gas-liquid two-phase medium (such as moisture), slurry, multiphase water flow, vibrating water flow, electromagnetic Interfering with media and bidirectional flow (because the balanced flowmeter is completely symmetrical left and right). The above is the whole content of this article. You are welcome to inquire about the flowmeter selection and quotation of our factory. 'Detailed introduction of balance flow meter'

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