Baling Petrochemical optimizes the high-load long-cycle operation of the hydrogen peroxide unit

As of June 14, the fixed bed of the hydrogen peroxide water and water unit of the Baling Petrochemical and Chemical Industry Department has been running smoothly for more than half a month after the changeover, and the daily output of the device has stabilized at about
370 tons.
Before cutting the bed, the A section catalyst of the device has been running continuously for more than 5 months, refreshing the best record for the long-term operation of a single catalyst, with an average daily output of 368.
4 tons, a new daily output; the comprehensive energy consumption is 69.
7 kg/ton, and the hydrogen single consumption and aromatic hydrocarbon consumption have reached a record low
.

The Ministry has 3 sets of hydrogen peroxide production units with a total annual production capacity of 280,000 tons, of which one water plant has an annual production capacity of 100,000 tons
.
The activity of the hydrogenation catalyst directly affects the output and consumption of the device, and under normal circumstances, the catalyst needs to be regenerated for about 4 months of operation
.
Extending the catalyst activity cycle has always been a key part
of the device's production and consumption reduction and improvement of the operation level.

In the in-depth implementation of the theme action of "keeping in mind the entrustment, making new achievements, creating new achievements, and welcoming the 20th National Congress", the device implements a series of technical research around prolonging the active cycle of catalysts to promote the safety, high yield and excellent production of
the device.

Fix the filter to make sure the filtering effect
.
The one-water device has 21 filters for filtering the solid particles in the working liquid, ensuring the purity of the working liquid, preventing the degradation of the working fluid and the decomposition
of hydrogen peroxide.
In view of the deformation, aging and poor dust filtration effect of the equipment internals, the device inspects 21 filters one by one through opportunity maintenance, cleans and repairs the damaged internal parts, and improves the filtration effect
of the working liquid.

Optimize the feeding operation to improve hydrogenation efficiency
.
In view of the situation that the working fluid storage has a certain degradation and a large number of feeds affect the hydrogenation reaction, they will withdraw the working fluid and the new working fluid separately stored, and separate it from the working fluid containing impurities discharged by the system production, which not only ensures that the working fluid into the system is clean and free of impurities, but also facilitates the control of the temperature to ensure the hydrogenation reaction
.

Adjust the regenerative discharge method to improve the effect
.
The device technician optimizes the regeneration process, changes the in-line reclaimed water to discharge into the storage tank, and ensures the temperature and pressure stability with a certain liquid seal, which solves the bottleneck
of the in-line discharge affecting the regeneration effect.
At the same time, the dirty reclaimed water in the early stage of regeneration is separated after stationary in the storage tank, and the water without oil is discharged into the sewage treatment system, which can reduce the pressure
of sewage treatment.
In the late stage of catalyst activity, they strictly controlled the key process parameters, optimized and adjusted in time, and achieved high-load safe operation
for more than 5 consecutive months for the first time.