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"Not long ago, the exhaust fan impeller of the No.
2 unit was replaced.
We have been busy all day
.
" On July 28, at the Jianghan Oilfield Salt Chemical Bleaching Powder Operation Department, Director Tu Fei told reporters that in the past, this The maintenance work of equipment will always happen once a week or half a month
Is it because the device is on "vacation"? On the contrary, since last year, around the fight against the epidemic, domestic and foreign demand for disinfectant products has greatly increased, and the supply of bleaching powder products with high-efficiency anti-virus effects is in short supply.
The equipment has been operating at full capacity.
It's the end of the year
.
" Tu Fei said
The workload has increased, but maintenance work has decreased.
What are the reasons?
Key equipment "key care"
In the central control room, the temperature and vibration value curves of the secondary centrifuge are displayed on the screen in real time.
“We use the probes installed on the equipment to dynamically monitor the operation of the equipment, and deal with abnormalities in time to prevent minor faults from becoming major faults
.
” Operation Sun Xiaodong, the person in charge of equipment management of the department, told reporters
Jianghan Salt Chemical currently has 12 sets of bleaching powder concentrate production equipment, covering more than 3,400 sets of equipment.
Due to the different time of production, most of them have an operating time of 10-20 years
.
The failure rate increases and management is difficult
Equipment management focuses on "management"
.
While doing the inspection work, the operation department strengthens the daily maintenance of the equipment.
The operation department also highlights preventive maintenance, "key care" for key equipment such as secondary centrifuges, dryers, and compactors, and finds problems early through "informatization + daily inspections"
.
Not long ago, the management personnel found that the vibration value of the B end of the secondary centrifuge of the No.
Overhaul and don't fight unprepared battles
"In April of this year, when the construction party got the refrigeration equipment repair and renovation project in Zone 1, they thought it would take at least a week, and in the end we only spent 2 days
.
" Tu Fei said
There are more than 3400 sets of equipment, and there are many periodic maintenance and renovation projects every year
.
How to minimize equipment shutdowns caused by equipment maintenance and improve the effective working time of equipment has become the focus of their thinking
Take the refrigeration plant maintenance and renovation project in Zone 1 as an example.
The overhaul of the plant will cause 6 sets of bleaching powder equipment to stop production.
In addition, the site is small and frequent cross-operations
.
"A space of tens of meters involved 4 construction units
.
" Mao Shengyang, deputy director of production, recalled that they repeatedly refined the construction plan to 48 welds.
The construction sequence of each weld was marked with a chart.
To avoid disrupting the war to the greatest extent, the project is safely and efficiently concluded
.
Overhaul does not fight unprepared battles
.
The Operation Department scientifically formulates maintenance plans, makes preparations in advance, and gives priority to solving outstanding problems that are high-risk and restrict the long-term safe operation of the device.
All large-scale maintenance is interspersed with monthly maintenance.
With the slogan of "failure inspection and repair", coordinate the outsourcing construction unit and the operators of the transportation inspection department, optimize the production organization, and realize short-term shutdown, horizontal operation, and quick inspection and repair
.
Due to the strong corrosive characteristics of the bleaching powder production medium, it will cause great damage to the equipment pipe network
.
The operation department applies new technologies and new processes to rectify the leakage points of the device
.
In April of this year, about 5 cm cracks appeared in the titanium shell of the main reactor of the No.
3 device, which caused the leakage of frozen water.
If the general leak-proof welding method is adopted, the device needs to be shut down, and the welding may further cause the titanium shell base material to crack , Resulting in a long-term shutdown of the device
.
For this reason, the operation department uses a new type of leak-stopping material "solid and connectable".
When the device is not shut down, it can effectively plug the leak in only 15 minutes and achieve good results
.
Through a series of measures, since this year, the effective operation rate of the bleaching powder equipment has reached 98%
.
The bleaching powder production device with an annual design capacity of 6,000 tons has achieved an "acceleration" with an annual output of 64,123 tons
.
(Huang Yujian, Huang Hongxia, and Li Jing)
