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according to the official wechat account of sinopec shanghai petrochemical co., ltd. (hereinafter referred to as "shanghai petrochemical"), starting on september 20, a large number of jellyfish appeared on the rotating mesh plate in the company's seawater pump room. thousands of jellyfish swarmed into the workplace and blocked important equipment. the company's thermal power department encountered "the biggest crisis in history."

how many jellyfish are there? a total of about 103 tons have been cleaned up in 9 days!

affected by various factors such as weather and marine environment, jellyfish along the southeastern coast have experienced large-scale reproduction this year. these creatures, which originally roamed freely in the ocean, "invaded" the seawater pump room of shanghai petrochemical company, affecting the continuous and stable supply of heat and electricity in the petrochemical area and the company's front plants.

the normal operation of the company's thermal power generation unit requires seawater from hangzhou bay to be pumped for cooling of the generating unit. under normal circumstances, the seawater used for cooling must first pass through a rotating filter to filter out debris, and then be sent to the generator set. a large number of jellyfish are adsorbed on the sea pump filter, blocking the inflow of seawater and threatening the normal operation of the system.

faced with this sudden challenge, shanghai petrochemical quickly sounded the rallying cry, and a "human sting war" began.

seawater pump house "flooded" by jellyfish

the company's thermal power department issued an emergency mobilization order calling on all party members and youth league members to participate in the "fight the jellyfish" operation. everyone was stationed in shifts 24 hours a day. some were responsible for operating the rotating filter, some were responsible for on-site safety supervision, some were responsible for fishing, and some were responsible for coordinating command and cleanup. an all-staff "crew defense battle" began.

employees clean jellyfish from the filter

currently, there are 5 sea pumps in the seawater pump room of the company's thermal power department, 2 are in operation, 2 are on standby, and 1 is under maintenance. after the operating filter plates of no. 3 and no. 4 sea pumps were rotated to the second-floor platform, stationed employees kept picking jellyfish off the mesh plates.

clean the ground for jellyfish and their debris

according to employees at the site, the pump room has poor ventilation, the temperature has been high these days, the smell of jellyfish is very pungent, and the environment is very difficult. at the beginning, catching jellyfish was still a bit novel for everyone. later, we found that the number of jellyfish was so amazing that the catching work became an "extreme challenge" for everyone.

use the slide to transport jellyfish to the barrel

the jellyfish picked vary in size, with the big ones weighing seven or eight pounds. you can clearly feel them struggling and squirming when you catch them. we first put the jellyfish into the plastic bucket next to us, and then someone moved the plastic bucket to the slide and slid it into the large trough on the ground floor. the large tank is filled with about 1 ton of jellyfish, and is finally transported by forklift to a designated garbage storage point outdoors.

at first, about 1 ton of jellyfish were cleaned every day. since the 26th, nearly 20 tons of jellyfish have been cleaned every day, filling the storage area. as of september 28, a total of 103 tons of jellyfish had been cleaned up in nine days.

cleaned jellyfish

at present, the impact of "jellyfish" is still continuing, and employees of shanghai petrochemical company are still fighting hard. the 24-hour volunteer shift plan has reached the national day holiday, and it is estimated that the upcoming national day holiday will also be open all day long.

the jellyfish that are cleaned up accumulate more and more, and if they accumulate for a long time, they will become rancid and smelly. how to deal with them has become a headache. at present, the relevant departments of the company are contacting the relevant departments in jinshan district, shanghai to discuss how to deal with these jellyfish.

shanghai petrochemical stated that the company will also make every effort to respond to this jellyfish "invasion" incident, ensure the safe and stable operation of thermal power units, and continue to stably supply heat and power to petrochemical areas and the company's front plants.