FRP desulfurization tower series
What is the description of boiler desulfurization tower and the conclusion of wastewater treatment
Add time: 2019-02-27 10:54 Already Personal visits and consultations
的描述和废水处理的结论是什么脱硫塔直径和喷淋塔高度描述了脱硫塔中选择的吸收器作为喷淋塔的尺度，包括喷淋塔的高度、喷淋塔的直径作为喷淋塔的高度。 What is the description of the boiler desulfurization tower and the conclusion of the wastewater treatment? The desulfurization tower diameter and the spray tower height describe the absorber selected in the desulfurization tower as the size of the spray tower, including the height of the spray tower and the diameter of the spray tower as the spray tower. The height of the shower tower. The height of the spray tower is composed of the height of the spray tower absorption zone, the spray tower slurry pool height and the spray tower defogging zone height. The desulfurization rate increases with the increase of the liquid-gas ratio L / g at a certain absorption height. When the droplet ratio is three, the desulfurization efficiency increases with the height of the spray tower. Increasing the air induction ratio, the limestone slurry residence time is shortened, the circulation pump liquid circulation is increased, the gas flow resistance in the tower is increased, the fan power is increased, and the operating cost is increased. In practice, the liquid-gas ratio should be reduced to an appropriate value as much as possible. It should be ensured that the desulfurization power supply meets the requirements of operating conditions. When desulfurization with a desulfurization precipitator, a certain amount of wastewater will be generated. Then some people will ask what conclusions can be drawn from the treatment of desulfurization wastewater?
1. After the boiler desulfurization tower desulfurization wastewater is treated with lime + coagulant + coagulant, heavy metal impurities in the water can meet the requirements of the maximum allowable emission concentration of the first pollutant in this regulation.
2. The pH value of the deposition reaction needs to be controlled between 9 and 9.5, and the corresponding amount of calcium oxide is 533 to 1100 mg / L.
three. Polyaluminum chloride is used as a coagulant, and the dosage is 75-100mg / L.
4. Polyacrylamide was used as a coagulant at a dose of 0.3 mg / L.
5. The concentration of fluoride ion in the boiler desulfurization tower is less than 30mg / L, which can reach the third-level standard in the low-fluorine zone.
Improvement methods and techniques:
1. The improvement method of the boiler desulfurization tower with water in the flue gas is to increase the diameter of the dust collector on the original basis, and solve the problem by accelerating the rising speed of the flue gas.
2. Article 2. The method of directly lowering the cylinder with a water-sealed valve can avoid blocking the ash discharge port.
three. By adding a venturi tube dust removal arrangement to make it enter two-stage dust removal, it can not only improve the dust removal ability, but also help to solve problems such as large smoke volume, high concentration, and fine dust.
The diameter and height of the absorption tower of the boiler desulfurization tower. The absorber selected in the desulfurization process is the size of the spray tower, including the description of the spray tower height and the spray tower height. The height of the spray tower is composed of the height of the spray tower absorption zone, the height of the boiler desulfurization tower slurry tank, and the height of the spray tower's defogging area.
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