Fault Analysis of VSE VSI Series Flow Meter from Germany

Fault Analysis of VSE VSI Series Flow Meter from Germany

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The German company VSE Flow Meter provides high-precision flow measurement technology for process control applications, including the plastic industry, chemical industry, pharmaceutical industry, coating industry, automotive industry, two-component mixing, and more.

German VSE flowmeterCommonly used in measurement technology, metrology technology, hydraulic, monitoring technology, control and regulation, process technology, etc. Due to high-precision flow measurement technology, it is widely used in industries such as petroleum, petrochemical, natural gas, chemical, papermaking, automotive, food, etc.In the chemical industry, inaccurate flow measurement can cause an imbalance in the distribution ratio of chemical components, which cannot guarantee product quality and can even lead to production safety accidents. In the production of the power industry, the measurement and regulation of the flow rate of liquids, gases, steam and other media play an important role.

Function: Widely used in industrial and agricultural production, national defense construction, scientific research, foreign trade, and various fields of people's lives.

1. In the production of the petroleum industry, flow measurement runs through the entire process from oil extraction, transportation, refining and processing to trade and sales. Any link cannot be separated from flow measurement, otherwise the normal production and trade exchanges of the petroleum industry cannot be guaranteed.

2. In the chemical industry, inaccurate flow measurement can cause an imbalance in the distribution ratio of chemical components, which cannot guarantee product quality and can even lead to production safety accidents.

3. In the production of the power industry, the measurement and regulation of the flow rate of liquids, gases, steam and other media play an important role. The accuracy of flow measurement not only has great economic significance for ensuring the operation of power plants under * parameters, but also has become an important link in ensuring the safe operation of power plants with the development of high temperature and high pressure large capacity units. If the instantaneous feedwater flow of a large capacity boiler is interrupted or reduced, it may cause serious dry boiler or pipe burst accidents. This requires flow measurement devices to not only accurately measure, but also to promptly issue alarm signals.

4. In the steel industry production, the flow measurement of circulating water and oxygen (or air) during the steelmaking process is one of the important parameters to ensure product quality. In industries such as light industry, food, and textiles, flow measurement is also indispensable.

Fault Inspection and Analysis of Weishi VSE VSI Series Flow Meter in Germany

(1) When the indication value of the flow control instrument system reaches the maximum hour, first check the on-site detection instrument. If it is normal, the fault lies in the display instrument. When the on-site detection instrument indicates the lowest value, check the opening of the regulating valve. If the opening of the regulating valve is zero, it is often a fault between the regulating valve and the regulator. When the on-site detection instrument indicates the minimum value and the regulating valve opening is normal, the cause of the fault is likely to be insufficient system pressure, system pipeline blockage, pump failure, medium crystallization, improper operation, and other reasons. If there is a malfunction in the instrument, the reasons may include: the orifice plate differential pressure flowmeter may be blocked by the positive pressure conduit; Differential pressure transmitter positive pressure chamber leakage; Mechanical flow meters are characterized by gear jamming or clogged filter screens.

(2) When the indication value of the flow control instrument system reaches the maximum, the detection instrument often indicates the maximum. At this time, the valve can be manually controlled to open or close. If the flow rate can be reduced, it is generally caused by process operation reasons. If the flow rate cannot be reduced, it is caused by the instrument system. Check whether the regulating valve of the flow control instrument system is in operation; Check if the instrument measurement pressure system is normal; Check if the instrument signal transmission system is functioning properly.

(3) The indication value of the flow control instrument system fluctuates frequently, and the control can be changed to manual mode. If the fluctuation decreases, it is due to instrument related reasons or inappropriate PID control parameters. If the fluctuation still occurs frequently, it is due to process operation reasons.

VSI series flowmeterIn industrial sites, instruments used to measure fluid flow are collectively referred to as flow meters or flow meters. It is one of the most important instruments in industrial measurement. With the development of industry, the accuracy and range requirements for flow measurement are becoming increasingly high. In order to adapt to various applications, various types of flow meters have emerged, mainly used for volume and flow measurement; Accurate batching and mixing; Monitoring of mixture composition ratio control system; Process control; Open/closed loop control; Continuous quantitative control is applicable to the hydraulic industry; Automobile manufacturing and related industries; Polyurethane industry; Pharmaceutical industry; Steel industry; Coatings industry, etc.

Advantage:
Satisfy the vast majority of metrological applications. High precision, high voltage resistance, large range ratio, high resolution. Compact structure and long lifespan.

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