The No. 4 diesel hydrogenation unit of Maoming Petrochemical Refining & Separation Plant 8 Workshop enhanced the management and operation of the unit by actively optimizing operation and digging the potential of the unit in 2016. Since 2016, the unit has won the gold medal in competition of Sinopec similar unit, Total processing of raw materials 22929000 tons, the cumulative energy consumption of 6.85 kilograms of standard oil / ton, than the design energy consumption of 7.54 kilograms of standard oil / tonne fell 9.2%, and won the title of "Guangdong Province, the leader of installation class."
Break through the "small contradictions" to achieve heating and reducing consumption
Since the beginning of this year, according to the market demand, the treatment capacity of No.4 diesel hydrogenation unit has continued to increase. To ensure the product quality when the total volume is increased, the reaction temperature required by the unit will also be increased correspondingly. How can the higher temperature Demand, but will not make a substantial increase in the amount of gas consumption of the plant? Yang Chu Bin workshop process director determined to solve this 'small conflict.'
After a 'Zhuge', Yang Chu-bin and the craftsmen came up with the idea of "the best of both worlds": on the one hand, they used the design advantages of direct supply of raw materials to optimize the ratio of raw materials and control the quality from the source; on the other hand , They guide the fine operation of team workers to achieve the purpose of heating and cooling devices.
They guide the staff and workers in the inlet buffer tank to optimize the operation of the feed temperature to ensure that the high temperature refined diesel and direct supply of raw materials full heat exchange, full heat recovery, greatly enhance the device feed temperature; according to the volume and reactor temperature rise Changes, optimize the adjustment of the feed temperature control furnace, strict control of the reactor inlet temperature, significantly reducing gas consumption.
Team workers also take the initiative to find a way to start from the combustion furnace heating, flexible optimization operation, so that the main burner in the furnace at the optimum combustion state; outside the master after the use of air preheater, to strengthen the blower, induced draft fan Optimize and adjust, in order to reduce the exhaust temperature of the heating furnace as much as possible, and effectively ensure the heat exchange effect.
After a series of effective optimization operation, the thermal efficiency of the heating furnace of the device is obviously improved. Under the condition of full load operation, the device achieves less or even no main faucet, greatly saving the gas consumption of the device.
Implement self-maintenance to improve equipment integrity
Mid-August afternoon, No. 4 diesel hydrogenation unit in full swing in sight.Outside the outside operator to consciously bring cotton yarn and oil-absorbing paper, is on the cast or stop the pump for a detailed cleaning. Hot sun, everyone can still be energetic, only one afternoon's effort, more than 10 pump will be like a successor, all the leaks were also found to be eliminated one by one.
Since the beginning of this year, the workshop has vigorously promoted the system of demarcation of installation hygiene and clearly decomposed the equipment maintenance and repair work of the new Chaijia plant into four groups and introduced specific rewards and assessment measures to make the staff in the group more consciously participate in the autonomous maintenance of the equipment Work.
In addition, the workshop also selected a number of representative key pumps as the "self-maintenance demonstration pump group ', and strictly in accordance with the standards of the workshop demonstration pump, and actively organize staff and workers in-depth study of pump structure and operation mechanism, Serious learning machine maintenance knowledge, a comprehensive investigation of the pump problem, and efficient implementation of the problem rectification, the real mobilization of all staff involved in the management of equipment enthusiasm.
'We Director Lee will squeeze one afternoon each week to come and guide you to participate in the demonstration pump maintenance and cleaning .He asked very strict, pump hygiene is very thorough, all found leaks will be treated together. Demonstration, our classmates do work, of course, have to work harder! "
After implementing the system of dividing the health area, the consciousness and sense of responsibility of staff and workers participating in on-site equipment management was greatly enhanced, and the ability of staffs to detect and detect anomalies significantly improved.The on-site environment was obviously improved, and the equipment operation rate was up to 99%.
Everyone will be credited to reduce the small indicators
Since the beginning of last year, the workshop has been taking the 'economic analysis of teams' as the starting point for small index competitions and comparing several energy consumption 'big ones' of the devices: the amount of circulating water , The amount of medium-pressure steam, the consumption of fuel gas and the consumption of electricity are divided into a number of specific small indicators. Labor competitions among teams and groups are actively carried out to fully tap the potential value of plant operation and help to steadily reduce the energy consumption of the plant.
Every day after taking classes, we will be unable to wait to see the last shift of the 'economic analysis' report, combined with on-duty historical data, and other groups of energy analysis data contrast, one by one to find out the indicators increased or decreased Specific reasons, and actively make the appropriate adjustments in this shift.
'Squad leader, we have more power on the shift, I looked at the current trend of fine equipment out of the moment, while you can stop an air-cooled, can save a lot of electricity it!
'Expedition, the current amount of recycled water is a bit large, pay attention to see when patrol inspection, which side of the water cooler and then turn off smaller.' ...
Now, every time I walked to the circling watergate, the squad leader, Xie Pei, always proudly said: "The valve was almost fully open at the beginning of the installation and we have been adjusting and now it is only slightly open One and two buckle, can fully meet the water supply needs of the whole device! 'Through full participation in energy-saving optimization, the device water injection volume from the beginning of 18 tons / hour down to 15 tons / hour, saving 10,500 tons of demineralized water.
