What type of porous orifice flowmeter is a balanced flowmeter? What are the advantages of becoming the first choice for harsh working conditions?

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1. What flowmeter is good for measuring the flow rate of manganese sulfate? Can you give me some suggestions? Electromagnetic flowmeter and mass flowmeter can be used for measuring the flow rate of ammonium sulfate and sodium sulfate. The quality flowmeter can add density output, which is helpful for controlling the operating indicators of ammonium sulfate and sodium sulfate. However, scaling has a significant impact on the density measurement of mass flow meters and requires regular cleaning, such as adding flushing interfaces for hot water or steam in piping. Ammonia is a valuable medium and is prone to gasification. It is recommended to directly use a mass flow meter for ammonia flow measurement. This flowmeter is not only accurate, but also has a high range ratio. Careful verification of the pressure and temperature of ammonia is required before selection. If it is determined that ammonia exists in a gas-liquid mixture, it is recommended to choose a Henghe mass flow meter. When the flow rate is high, multiple flow meters need to be used in parallel. The author has 4 consecutive years of experience using this flowmeter, which can measure a range ratio of over 600, with reasonable material accounting and long-term stability. The measurement of sulfuric acid flow below 130 ℃ can be carried out using an electromagnetic flowmeter, which is accurate and stable. It is recommended to use two imported electromagnetic flow meters in series for comparison in trade measurement, as their accuracy is comparable to that of a quality flow meter. Mass flow meters can also be used for harvesting or harvesting, but at a higher price. The author has seen two imported mass flow meters with cracks appearing in the oscillation tube at the same position after less than 3 years of use in sulfuric acid medium at room temperature. The flow measurement of sulfuric acid below 230 ℃ can be carried out using Flexson ultrasonic flowmeter and porous orifice flowmeter. If the corrosion on the inner wall of the pipeline is severe, the ultrasonic flowmeter may malfunction in measurement. By using the pressure difference on the acid side of the evaporator itself, flow measurement can also be simulated, which fully meets the needs of operation control and interlocking.

2. How many types of orifice plates can be scored for flow rate, such as standard orifice plates, porous orifice plates, and other orifice plates? The more detailed the better The forms of orifice plates themselves include standard orifice plates, porous orifice plates, circular orifice plates, eccentric orifice plates, and double (multiple) orifice plates. There are various installation (integration) methods, such as replaceable orifice plates, pressure tapping orifice plates in ring chambers (flanges, pipelines, corner joints), hidden orifice plates, flow limiting orifice plates... These actually do not refer to orifice plates in the sense of measurement principle classification, but rather to the application characteristics of orifice plates. There are also some orifice plates that appear to be orifice plates but are not actually orifice plates: 1/4 circular orifice plates (actually nozzles), conical orifice plates (weir flow meters), and wedge-shaped orifice plates (wedge-shaped flow meters). There are also some called orifice plates, but they are not actually the orifice plates referred to by orifice flow meters: linear orifice plates and annular orifice plates. Regarding orifice plates,

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