Characteristics of flow measurement in the petroleum and chemical industries

 Flow measurement objects in the petroleum and chemical industries Due to the diversity of the measured medium, the measurement range is also extremely demanding. From measuring the small flow rate of the additive and the small test device to the high flow rate of the raw gas flow. From the most common water，vapor, air, gas, etc,to all kinds of chemical products and semi-finished products, as well as residues, liquid ammonia and other difficult objects.
      The petrochemical industry has strong financial strength and is an important market for high-end products with excellent quality and high price. In addition to some of the basic features described above, there are two distinct features below.
      ①Most petroleum and chemical companies have explosion-proof requirements. Even if the fluid to be tested is not a flammable or explosive substance, the entire area is a flammable and explosive place. Therefore, the instrument should be in accordance with the explosion-proof regulations when selecting the type.
②There are many corrosive fluids to be tested, and some corrosion resistance problems must be considered when contacting the corrosive medium. In addition to the corrosion of the measured medium, there is atmospheric corrosion.For example, the rainwater in the chlor-alkali plant, the nitrogen fertilizer plant, and the sulfuric acid plant plant area has a certain corrosive effect on the exposed parts of the instrument.Therefore, it is necessary to consider the protection of the outdoor instrument to avoid premature damage.
If you want to know more information, welcome to visit our website: www.aft-flowmeter.com

评论

发表评论

此博客中的热门博文

Electromagnetic flow meter and vortex flow meter What are the differences

图片
        As a professional supplier of flow meter, it is very important to use the flow meter users, talk about two kinds of widely used two flow meters. The first is the electromagnetic flow meter, the second is the vortex flow meter. This is what we often use most of the two flow meters. What is the difference between them before? I will tell you from the following points: 1. Electromagnetic flow meter and vortex flow meter principle is different.    According to the principle of flange electromagnetic induction, a pair of test electrodes are installed on the wall of the tube which is perpendicular to the axis of the measuring tube and the magnetic field lines. When the conductive liquid moves along the axis of the measuring tube, the conductive liquid cuts the magnetic field lines to generate the induced potential. The sensing potential is detected by two sensing electrodes. The value is proportional to the flow rate. The value is E = B * V * D * ...
阅读全文
图片
Kaifeng AFT Instrument Co.ltd is a professional company  which manufactures automation instrument and related settings.   Our   instruments are industrialized and automated, we also engaged in design,search,  manufacture, selling and service.      Our company is a high-tech science and technology enterprises, and the main products are electromagnetic flow meter, vortex flow meter, turbine flow meter,  throttle device, mass flow meter, metal tube flow meter, ultrasonic flow meter, venturi tubes, orifice plates  and other flow products . We make sure that our instruments are in various forms and complete specifications, which can meet the different requirements , and we can design product s  according to the requirements of customers .
阅读全文

Precautions for the installation of electromagnetic flowmeter

图片
     The electromagnetic flowmeter is an instrument for measuring the volume flow of the conductive fluid through the electromotive force induced by the applied magnetic field according to "Faraday electromagnetic induction principle". It consists of two parts, the sensor and the converter. It is suitable for measuring the flow of conductive liquid and slurry in closed pipes, such as clean water, sewage, various acid and alkali salt solutions, mud, pulp, pulp and food liquids.With the development of industrial technology, the advancement of agricultural science and technology.Due to its own advantages and characteristics, the use of electromagnetic flowmeter has been increasing every year.  At the same time as the amount of use is increased, the following items must be noted in the installation of the electromagnetic flowmeter:      The electromagnetic flowmeter should be installed in the correct position.     1. Installation method (as...
阅读全文