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1. There are several types of steam flow meters.
Abstract: Steam flow meters, as the name suggests, are flow meters used to measure steam flow, commonly used for measuring steam flow in industrial pipelines. There are many different types of steam flow meters, in addition to the widely used differential pressure flow meter, there are steam vortex flow meters, linear orifice differential pressure flow meters, V-cone flow meters, rotor type steam flow meters, bend tube flow meters, flute shaped averaging tube flow meters, etc. When selecting, the selection is mainly based on parameters such as medium type, medium temperature, working pressure, flow range, etc. Lets learn about the types and selection of steam flow meters below.
1. There are several types of steam flow meters. A steam flow meter is an industrial instrument mainly used for measuring the flow rate of steam medium fluids in industrial pipelines. This flow structure is simple, the price is moderate, and the measurement range is wide. It is widely used in applications such as petroleum, chemical, textile, and heating that require steam flow meters.
. There are many types of steam flow meters, and the commonly used ones are:1. Differential pressure flow bridge flowmeter. Differential pressure flow meter has a simple and sturdy structure, reliable performance, long service life, wide temperature and pressure range, low price, and does not require real flow calibration. Therefore, it is the most widely used steam flow meter, especially suitable for measuring high temperature and high pressure saturated steam and superheated steam; The main disadvantages of this type of flowmeter are that installation is cumbersome, pressure loss is high,
2、 The steam vortex flowmeter has a simple structure, does not require a pressure tube, has a large measurement range, and has low pressure loss. It is generally used for measuring saturated steam flow. However, the vortex flowmeter is limited by temperature and cannot exceed 300 ℃, making it unsuitable for measuring superheated steam flow and saturated steam with high humidity.
3、 Linear orifice plate differential pressure flowmeter, also known as elastic loading variable area variable head orifice plate, has a linear relationship between flow rate and differential pressure. Due to its range ratio of up to 100:1, it is very suitable for measurement occasions with large flow rate changes. Due to the presence of movable components, the maintenance of orifice flow meters is cumbersome, and during measurement, it is necessary to calibrate the fluid temperature changes using water for each instrument, which can result in measurement errors.
4. V-cone flowmeter is a throttling differential pressure flowmeter that uses a gradually contracting throttling method on the edge wall. The range ratio can reach 10:1, and it is not afraid of vibration, resistant to high temperature and high pressure. It can measure saturated steam and superheated steam.
. The drawback lies in the issue of pressure loss, as measuring superheated steam requires the use of a condenser and compensation for temperature and pressure.5、 Rotor type steam flowmeter is a purely mechanical measuring instrument mainly used for measuring saturated steam in small and medium-sized enterprises. It has the advantages of simple structure, firmness, and low maintenance; However, the adaptability r
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