A monitoring method for ship tail gas desulfurization wastewater
A technology for desulfurizing waste water and ship exhaust gas is applied in the field of ship exhaust gas desulfurization, which can solve the problems of troublesome maintenance, many equipment measurement parameters, complicated sensor calibration and maintenance, etc., to save costs, improve maintenance efficiency, and improve the effect of absorption effect.
Active Publication Date: 2022-02-15
ZHEJIANG TUNA ENVIRONMENTAL SCI & TECH
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Problems solved by technology
[0003] The above-mentioned technical solution has the following defects: the existing technical solution configures two water quality monitoring equipment to detect the water quality of the seawater inlet and the washing water discharge respectively, the equipment measures many parameters, and the calibration and maintenance of the sensor is complicated. When the equipment fails, Maintenance is more troublesome
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[0049] The present invention will be described in further detail below with reference to the accompanying drawings.
[0050] A method for monitoring ship tail gas desulfurization wastewater, refer to figure 1 and figure 2 , including the following steps:
[0051] S1: the seawater pump 12 pumps the seawater into the first pipe 11;
[0052] S2: Introduce part of the seawater in the first pipe 11 into the water quality analysis device 2 for detection of pH value, turbidity DT and PAH of oil in water. The detection time is t1, and after the detection, it is discharged and cleaned, and the cleaning time is t2;
[0053] S3: the seawater in the first pipe 11 is transported to the washing tower 7, and the washing tower 7 sprays the seawater to remove SOx from the combustion flue gas;
[0054] S4: the washing water is discharged from the washing tower 7 through the second pipe 14;
[0055] S5: After the cleaning in S2, part of the washing water in the second pipe 14 is introduced ...
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The invention relates to a monitoring method for ship tail gas desulfurization wastewater, and relates to the technical field of ship waste gas desulfurization, comprising the following steps: S1: a sea water pump pumps sea water into a first pipe; S2: introduces part of the sea water in the first pipe into a water quality analysis device for Detection, discharge after detection and then clean; S3: The seawater in the first pipe is transported to the scrubber, and the scrubber sprays seawater down to remove SOx from the combustion flue gas; S4: The washing water is discharged from the scrubber through the second pipe; S5: After S2 is cleaned, part of the washing water in the second pipe is introduced into the water quality analysis equipment for detection, and then discharged and then cleaned after the detection; S6: the washing water is discharged into the sea; S7: return to S1 again. The present invention can detect seawater and washing water with one piece of water quality analysis equipment, the maintenance is relatively simple, and it is also convenient for maintenance when a fault occurs, thereby saving costs and improving maintenance efficiency without affecting detection.
Description
technical field [0001] The invention relates to the technical field of ship exhaust gas desulfurization, in particular to a monitoring method for ship tail gas desulfurization wastewater. Background technique [0002] The International Maritime Organization (IMO) requires global operating ships to reduce the sulfur content of fuel oil in combustion devices from 3.5% to 0.5% from January 1, 2020, and the sulfur content of fuel oil in sulfur emission control areas must be below 0.1%. The installation of wet exhaust gas desulfurization EGCS system for operating ships is the most economical choice for large and medium-sized ship owners. The desulfurization system of ships uses the alkalinity of seawater to neutralize SOx in the flue gas to form sulfuric acid / sulfurous acid washing wastewater. The pH value, turbidity DT and PAH of oil in water need to be monitored for seawater and washing wastewater, and they can be discharged only if they meet the corresponding regulatory requir...
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IPC IPC(8): G01N33/18B01D53/14
CPCG01N33/18B01D53/1481B01D2252/1035
Inventor 赵博满中国沈柯华诸正元毕向建郑超宋超王博婷范德华
Owner ZHEJIANG TUNA ENVIRONMENTAL SCI & TECH