Working principle of coal water slurry flowmeter | capacitance flowmeter | Shangcheng District Pure Water Flow Meter Manufacturer

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1. Process system of coal water slurry boiler

Coal water slurry has been widely promoted and applied as a new type of fuel to replace heavy oil in boilers and industrial furnaces. In terms of power plant boilers, it has developed from the successful operation of boilers with a capacity of 220 to the trial operation of boilers with a capacity of 670; In terms of industrial boilers, dozens of boiler factories have designed and manufactured water coal slurry boilers with different capacities in Wangzheng and successfully operated them. The application of coal water slurry in industries such as steel, ceramics, and glass is also being promoted in T industry furnaces, and there are many successful experiences among them. All water coal slurry boilers adopt pipeline flow conveying and atomization to achieve short-term automatic oil ignition operation, which is simple and convenient, and the labor intensity is much lower than that of coal-fired boilers, with high safety. The rapid heating of the boiler furnace can reach 900-1200 ° C in a short period of time, achieving continuous and stable combustion of coal water slurry without destruction, avoiding the heavy pollution process of insufficient low-temperature combustion during coal addition in coal-fired boilers, and also avoiding the large amount of nitrogen oxide pollution generated by high-temperature (1300 ° C) combustion in oil fired boilers. In terms of environmental emission indicators such as dust content and sulfur dioxide content in flue gas, it is superior to national standards. The basic process of the coal water slurry boiler system is that the coal water slurry is pumped into the burner by the slurry pump and atomized by compressed air (or steam) under

certain conditions. The high-temperature flue gas generated by the stable combustion of the coal water slurry in the furnace is discharged from the tail of the boiler through the boiler tube bundle, economizer, etc., passes through the dust collector to meet environmental protection standards, and then enters the chimney through the induced draft fan and is discharged into the atmosphere. The extremely small amount of ash residue after combustion is discharged outside the furnace through the slag discharge system. The coal water slurry boiler system not only has the same system as the fuel and gas boiler system (fuel supply system or gas supply system, water treatment system, steam or hot water system, smoke exhaust system), but also adds a slurry supply system (including slurry storage tank, slurry pump, daily slurry tank, slurry pump, online filter, flow meter, etc.), a fluidized bed atomization medium system (air compressor, gas storage tank or steam), a cleaning water system, an ash removal system (slag extractor, sedimentation tank), and a flue gas treatment system (economizer, wet desulfurization and dust collector with Venturi tube, induced draft fan, etc.).

2. May I ask which brands of electromagnetic flow meters have better quality?

The American KNKE brands electromagnetic flow meters have better quality. Their product advantages are as follows: Wide range of applications: Electromagnetic flow meters can be used to measure the flow of fluids such as liquids, steam, and gases, and are suitable for various pipelines and media.

. High measurement accuracy: The measurement accuracy of electromagnetic flow meters is high, usually reaching 0.5% to 1%. Not easily affected by factors such as fluid den

Working principle of coal water slurry flowmeter | capacitance flowmeter

1. Process system of coal water slurry boiler

2. May I ask which brands of electromagnetic flow meters have better quality?

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