Construction progress of Pingkuang Group’s coking project as of December 12
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Coking area: Furnace No. 1.2: Heating temperature of the furnace is 863°C. 2.1# Furnace: 65 monotonic valves in the rising pipe have been installed ； 35% of the water return inlets for the water seal tank have been installed ； 60% of prefabricated pipe fittings have been completed. 3. Dust removal station on the machine side: remote debugging of scrapers, discharge valves, and vibrators has been finished ； 80% of the wall plastering is complete ； 92% completed in total. 4. Dust removal station on the coke side: Remote operation and commissioning of the dust collector fan completed ； 60% of online installation completed ； 60% installed on the dust collector ceiling. 5. Main machine: 52% completion of the entire 1#SCP unit ； 2#SCP machine is 99% completed overall ； 2# quench car is 96% completed overall ； 1# smoke exhaust vehicle: 32% completed overall ； 70% has been completed with on-site driving for debugging and installation. 6. Desulfurization and denitration: 98% of the rust removal and painting work on the desulfurization and denitration dust collectors has been completed ； 60% of the dust collector ash discharge pipeline welding is completed ； 70% of the welding for the acid-producing exhaust pipeline is completed ； 93% of the welding work on the ash discharge port of the powder silo is completed ； 80% of the welding on the exhaust duct of the small dust collector is completed ； 10% of standby fans are installed. 7. Installation of the cable tray for the elevator equipment in the dry quenching coke unit is completed ； The vibration feeder has been installed, and 80% of the flue at the dry quenching furnace inlet has been installed ； 70% of the elevator shaft installation is complete. 8. Insulation work for the second waste heat boiler in the dry quenching coke unit – 30% of the interior of the boiler has been completed ； The waste heat boiler underwent a pressure test, which was approved by the special inspection agency; the task has been completed ； The scraper conveyor foundation is completed ； The installation of the circulating fan equipment is complete. 9. 50% of the condenser installation in the main plant is complete ； The accident oil tank and the foundation for the auxiliary equipment room have been completed.
Coal preparation area: 1. Type C coal yard: 85% of the side sealing strips on axes 1–16 have been installed； There are a total of 8 frames for the coal yard gates, 5 of which have been installed ； The installation of color-coated steel plates on the air tower is complete ； 90% of the fireproof coating has been applied. 2. Train turning machine: Duct installation completed, fire protection piping installed for 222 meters, industrial water pipes installed for 117 meters ； The fire doors in the power distribution room have been installed, the ladder on the south side of the second floor has been installed, the flooring on the north side has been poured, and 60% of the cable trench covers have been installed. 3. Coal blending room: The plastering of the exterior walls on the first floor is complete, and 70% of the air cannon aeration tests have been finished. 4. Buffer bin: 90% of the overall installation of the fabric trolley is complete. 5. Screening building: 80% of the exterior wall painting is completed, 70% of the welding for the external staircase handrails is done, 80% of the window frame sealing work is completed, 120 meters of emergency lighting conduit have been installed, and 26 lighting fixtures have been installed. 6. Coke storage bin: 95% of the exterior wall work is completed; 360 meters of dust removal pipeline installation have been finished ； There are a total of 20 fan-shaped gates in the coke storage bin, of which 17 have been adjusted ； Installation of the heavy-duty unloader for the coke storage bin is complete. 7. A total of 1,710 meters of straight buried cable trenches have been constructed, representing 82.21% completion ； A total of 20,261 meters of cable has been laid ； The renovation of the freight building is complete.
Chemical production area: 1. Circulating water and cooling station: 80% of the interior wall decoration on the first floor has been completed； The steel structure for the rain shelter in the circulating water pit has been completed ； 95% of debugging is complete. 2. Ammonium sulfide plant: 96% of conduit installation completed ； 96% of the electrical and instrumentation equipment has been installed ； 96% of cable laying is completed ； The bin wall vibrator has been installed. 3. Cold drumming: 92% of the ground pouring completed ； 20% of the fireproof coating application on the north side ductwork is completed ； 65% completion of instrument air branch pipes ； Fan shaft vibration tuning completed ； Testing of the emergency ammonia water pump is complete. 4. Desulfurization: Anti-corrosion work completed in the pre-cooling tower and #1 desulfurization tower ； 80% of the external anti-corrosion work on Tower 2# for desulfurization is completed ； 85% of internal anti-corrosion work completed ； 90% of sandblasting and rust removal for Tower 3# desulfurization is completed ； 80% completion of sandblasting rust removal in Tank 2# ； The no-load test run of the high-voltage motor has been completed. 5. Elution benzene: 80% of floor hardening completed ； Application of the intermediate coat in the pipe gallery is complete ； 96% of electrical and instrumentation equipment completed ； The tube is 96% complete ； 96% of cable laying is completed ； The construction for the process pipeline changes has been completed. 6. Acid production: 97% completion of pipeline purging and pressure testing in the incineration section; 40% completion of insulation installation ； 50% of the lighting installation is complete. 7. Gas holder and pressure station: 80% of the gas holder elevator installation completed ； 50% of the overall airtightness testing for the gas holder has been completed ； 98% of the process piping installation at the pressure station is complete ； 95% of cable laying is completed ； 96% of the tube installation is complete.
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