As based onNASAThe third-generation differential pressure flow measurement equipment developed using porous balanced rectification technology,A+KOrifice flow meters, with their flow field optimization capabilities and engineering adaptability, have achieved large-scale applications in more than ten industrial fields such as petrochemicals, power energy, and metallurgical manufacturing, becoming an important measuring tool in modern process industries.

1、 Petrochemical industry: precise control of core processes

In the ethylene cracking unit, the flow meter passes through7-63The symmetrical distribution of function holes reduces the turbulence of the cracked airflow to that of traditional orifice plates1/15According to actual measurement data from Shanghai Petrochemical, inDN300On the cracked gas pipeline, its measurement repeatability reaches±0.1%Breakthrough in range ratio30:1Successfully solved the measurement distortion problem caused by the fluctuation of high-temperature cracking gas components. target, aim at, address, focus on, in response toLNGTrade handover measurement, porous structure controls pressure loss within the Venturi tube1/3Horizontally, it can save compressor energy consumption for a single receiving station by about per year120Ten thousand yuan. In the hydrogen ratio control of the hydrogenation reactor, its bidirectional measurement function can monitor the forward and reverse flow rates in real time, improving the reaction efficiency to98.7%Improved compared to traditional orifice plate solutions3.2One percentage point.

2、 Electric Energy: Breakthrough Applications in Special Operating Conditions

In the high-temperature and high-pressure water flow test device of a nuclear power plant, the flowmeter adoptsAKETThe overall processing technology meets the requirements515According to the pot regulations, in15MPa/350℃Continuous operation under working conditions3There has been no leakage in the year. Its withstand voltage level reaches64MPaSuccessfully applied to the feedwater flow measurement of Huaneng Group's ultra supercritical units. The porous structure reduces the wear rate of fly ash carrying airflow for biomass power generation90%The maintenance cycle starts from monthly1Extended to every year1Next time. In the actual testing of waste heat power generation projects, the previous2DUnder the configuration of a straight pipe section, the measurement error of steam flow is controlled within±0.3%Within, improved compared to standard orifice plates2Double precision.

3、 Metallurgical Manufacturing: Reliable Measurement of Complex Media

In response to the difficulty of measuring blast furnace gas, this flowmeter is designed with a balanced flow field toBThe range of value fluctuations is from±5%Compressed to±0.8%According to the application data of Baowu Group, in terms of dust content20g/m³Under the working conditions, the blockage cycle is from72Extended hours to1800Hour by hour, annual savings in cleaning costs exceed50Ten thousand yuan. For the converter gas recovery system, the bidirectional measurement function can accurately distinguish between positive and negative airflow, improving the gas recovery rate to91.3%In the measurement of hydrogen fluoride gas in the electrolytic aluminum industry, the Hastelloy material version has successfully passed-20℃to180℃The temperature test and measurement stability reach±0.5%FS.

4、 Emerging fields: innovative extensions of cutting-edge technologies

In the field of cryogenic air separation, this flowmeter is designed with an integral immersion system to control the temperature fluctuations of liquid oxygen measurement within a certain range±0.5℃Within, the gasification rate decreases85%According to actual measurements by China Aerospace Science and Technology Corporation, the measurement accuracy in liquid hydrogen delivery systems has reached±0.3%Meet the stringent requirements of space launch. For clean steam sterilization systems in the pharmaceutical industry,316LStainless steel material combined with oil free degreasing treatment, throughISO 14644-1 Class 5Clean room certification, becoming a biopharmaceutical enterpriseGMPcertificationThe preferred methodMeasuring equipment.

from-196℃The liquid nitrogen pipeline to650℃The high-temperature steam pipeline, fromDN15The laboratory pipeline toDN3000The mainstream process of industry,A+KThe orifice flowmeter has formed a coverage through continuous technological iteration15-3000mmFull pipe diameter-40℃to850℃Full temperature zone0-64MPaProduct matrix for full compression section. Its stable operation in the liquid hydrogen and liquid oxygen systems of China's five major space launch centers, as well as its large-scale application in enterprises such as Wanhua Chemical and PetroChina, confirm the origin of this technologyNASAThe technology has been completed from aerospace toindustryThe perfect transformation continues to drive China's manufacturing towards high-end and refined productsThe evolution of standardization direction.