Date: catalogue catalogue 01 device outlines the 04 safety protocol for the analysis of control points of the 02 core equipment 03 process 05 maintenance procedure 05 for the maintenance of the 06 common malfunction treatment 01 device outlines the core process of the ethylene device for the crack reaction process through materials such as high-temperature cracking hydrocarbons (e. G., ethylene, ethylene, etc.) and the pyrolysis reaction in the crack furnaces to produce ethylene, aceline, etc., with the reaction temperature strictly controlled at 750-900°c to optimize product distribution. Fracking gas 01 is rapidly cooled to less than 200°c through the hot cold tower to prevent secondary reactions; it is subsequently introduced into a multi-stage compression system to more than 3. 5 mpa to provide conditions for subsequent separation. Fracking gas following decompression of acid gases removes acid components such as h2s, co2 through alkaline washing or meds, avoiding corrosive equipment and influencing catalyst activity. The deep cold separation process uses a low temperature environment below -100°c to separate high purity ethylene (9999. 95%), acrylic and other by-products by demethane towers and deethane towers. The fissure furnace system of 020304 consists of a double-barrel design to increase heat efficiency with materials resistant to high-temperature alloy steel (e. G. Hp40nb) to withstand long-term heat stress. Centrifugal compressors are used for cracking gas boosters, equipped with steam-to-square drives, and need to monitor key parameters such as vibration, lubricating oil temperature to ensure long-term cycle operation. Tower equipment, such as methane demethane towers, ethylene distillation towers, etc. Use efficient filling or pallet structure to optimize passivity, with most of the tower's mass being stainless steel to respond to cryogenic conditions. The cold-box system is integrated with the wings switcher and the inflater, achieving -160°c level deep cold, and core equipment is required to detect periodic leakages to prevent methane infiltration from causing safety risks. Major equipment composition indicates that the target ethylene one-way yield rate of 30 per cent is up to a million tonnes per year by optimizing the crack depth (kpi values 1. 0-1. 2) and feedstock selection. Ethylene products are subject to the gb/t7715-2017 standards, of which ethylene content is 99. 95%, methane+ethane impurities 500 ppm and sulphur content 1 ppm. Integrated energy consumption 550 kg oil/tonne ethylene, emissions of exhaust gases meeting the pollution emissions criteria for the petroleum chemical industry (gb31571-2015) and removal rate of vocs 95%. Critical equipment has a three-year running cycle with an unplanned parking rate of 0. 5 per cent and a 100 per cent use of the lock system to ensure safe production. The production target and product indicator ethylene maximization product purity control energy consumption and environmental safety indicator equipment operating stability 02 core equipment resolves the crack furnace structure with a working principle cracker using a double-part structure, and the radiation segment reacts to the material by heating directly through high-temperature flame furnace tubes, while the current segment uses fume-heated preheating materials and boilers to provide water to achieve energy ladder utilization. The 01040302 radiation segment and the convection segment are designed with a high-chromium nickel alloy centrifugal catheter, resistant to temperatures of more than 1100°c, and with a "w" or "u" type to prolong the material's stay, to ensure a level of fragmentation. The furnaces are equipped with a stylized low-nox burner to achieve even distribution of the chamber temperature field (temperature difference of 15°c) and lower nitrogen oxide emissions by accurately controlling air-graded supplies and fuel injection angles. The mouth-burning system is equipped with an integrated vapour-air focal system that, without parking, removes the caustic layer of the furnace tube from the cyclical high-temperature oxidation reaction, extending the running cycle to 60-90 days. On-line actm rapid end reaction mechanism (qim) is designed using a double-cool boiler (tle) designed to drastically reduce the fission gas from 800°c to less than 300°c in 0. 03 seconds, and to increase the alkyl selectivity by controlling secondary reactions at the thallium cooling rate. The energy recovery network integrates multi-stage heat-replacement processes, including feedstock preheating, boiler heating of water and dilution of vapour, resulting in combined heat efficiency of 92 per cent. The high-pressure vapour occurrence system produces 12. 5 mpa ultra-high-pressure vapours with a vapour production of 1. 8-2. 2 tonnes/t of feedstock, which provides more than 60% of the plant's power needs for the pyrolysis drive. Focus monitoring and control are equipped with online pressure differential monitoring and infrared thermal imager, real-time tracking of hot tubing focals and extension of the operational cycle to 3-5 years through the injection of sulphur and optimization of operational parameters. The five-part compression process of the compressor operating point control uses a centrifuge compressor to compress the fission gas from 0. 02 mpa to 3. 7 mpa, each setting lock protection at an imported temperature of 40°c and an export temperature of 90°c to prevent polymer formation. The pneumatic shock control strategy establishes a pneumatic oscillation model based on real-time flow-pressure calculations and sets a dynamic adjustable safety sufficiency line to ensure stable operation within 20 per cent of the load fluctuations. Seal system management is designed with dry air seals and maze seals designed to control the sealed air pressure at 0. 15-0. 2 mpa higher than the process gas, and the hydrocarbon leakage at 50 ppm. The lubricant system is maintained by a third-tier filter system (100 m →25 m →3 m), which maintains a level of nas6 cleanliness and controls the temperature of axial wafers within ±2°c. The fracking conditions for control elements of process 03 control the fracking temperature (cfc) precision-regulated temperature of the fracking fracking fireplace is subject to strict control in a given zone, with high temperatures leading to increased focus, low temperatures and insufficient decomposition depth, affecting ethylene harvest rates. The temperature of the catheter would need to be adjusted in real time, taking into account the nature of the feedstock. The optimized management of hydrocarbon fractional pressure reduces hydrocarbon fractional pressure by diluting the vapour ratio, facilitating the chain-breaker reaction of long-chain hydrocarbons, while avoiding excessive vapours leading to increased energy consumption. Different feedstocks (e. G., ethylene, plaster) need to match the differential subpressure policy. Stay-time dynamics match the time spent on the radiation segment of materials adjusted for changes in the composition of the raw material, the time spent on light materials is reduced to prevent excessive fragmentation, and heavy materials are extended to ensure adequate response. Temperatures of the hot towers need to form a reasonable gradient, with excessive top temperatures leading to light bands, and insufficient temperature of the towers and incomplete mass separation. Reconciling with the heat exchange network is required through the circulation of hot and cold oil flows. The cooling and distillation parameters regulate the temperature gradient of the hot towers to maintain the pressure of the compressor entrance within the set range to prevent pressure fluctuations from causing the compressor asthma. An adjustment of the liquid level of the hot water towers and the load of the fission cooler shall be required in conjunction. The return flow ratio between the breakout compressor entrance pressure and the demethane tower needs to be optimized according to the dynamic composition of the feed, with the excess return ratio increasing energy consumption and the undermining of product purity. Real-time revisions need to be made in conjunction with online analyser data. Reflow of distillation towers to fine-tuned compressed refrigeration systems to balance 02
03
Refrigeration network integration optimization 01
Refrigeration systems for acrylic compressor load distribution need to be operated in conjunction with cooling users of process devices (e. G. Deethane tower condensers) to adjust the evaporation pressure and flow of refrigerants through dynamic simulations to achieve a system-wide balance of supply and demand for cooling. The ethylene refrigerant purity of the ethylene refrigerant in the ethylene refrigerant monitoring system is below the threshold, leading to a decrease in the heat exchange efficiency, which requires periodic detection and optimization of the cold-box separation, supplemented by high-purity ethylene where necessary. Multi-stage compressors are required to rationalize their loads to avoid single-stage overload or asthma. Maximize energy efficiency by regulating inter-part coolers and inhalation tank pressure. 04 the safe-practice process line separation is physically isolated through double-barrel cutting, blindboarding or flanking, to ensure that the medium is not exposed to reverse flow risks, after which a warning sign will be displayed and the ledger will be registered. The energy-separation and depressure-separation verification and testing of parking-opening separation processes completely release residual pressure from the system, high-temperature media, electrical equipment performing the loto program, and mechanical kinetic energy equipment releasing flight-cycle capacity. Use pressure sheets, flammable gas detectors, etc. To verify the effectiveness of the isolation and, if necessary, replace the nitrogen to oxygen content to ensure safe operating environments. Local ventilation systems are immediately activated for small-scale leak control for leak emergency disposal. Operators wear class a protective clothing and pressure respirators and use blast-proofing tools to plug or divert to emergency collection tanks. Large-scale leak response triggers the plant-wide emergency parking (esd) system, evacuates non-essential personnel within the radius, and the fire brigade uses fog water to dilute ethylene vapour and strictly prohibits direct spraying to prevent electrostatic combustion. Environmental monitoring and reporting continued monitoring of flammable gas concentrations and changes in wind direction around spill sites, synchronized submission of release, volume and impact reports to the environmental protection sector, and initiated environmental recovery scenarios. Respiratory protection selects chemical protective clothing material (e. G., the tychemium series) based on the characteristics of the exposure medium, with aluminium insulation in high temperature environments and electrostatic design being mandatory. Body protection aids are equipped with blast headlamps, chemical anti-corrosive gloves (butyl rubber material), safety ropes and gas detectors that are integrated into the basic configuration and are regularly tested for air confidentiality and functionality. For ethylene exposed areas, self-sufficient air respirators (scba) or long tube gas supply systems are required, and filter tanks are only available for exposure at low concentrations. Personal protective equipment code 05 maintenance practices for the monitoring of the temperature of the crack furnace wall using infrared thermometers to regularly check the surface temperature distribution of the furnace tube, and abnormally high temperature points need to be immediately marked and the causes analysed to prevent local overheating from causing the furnace to deform or break. The compressor vibration and lubricant status check monitors the axial vibration values of the compressor by means of an online vibration sensor, while taking samples of lubricant for viscous, hydro and metal particle content testing to ensure that the lubrication system is functioning. The french sealing of process line lines uses ultrasound detection leaks to scan high-pressure french connections, and trace leaks are found to require timely tightening of bolts or replacement of gaskets to avoid the risk of flammable gas accumulation. The oscillation system controls the export oscillation temperature of the daily recorder wind dryer, ensures that the compressed air contains less than -40°c, and prevents the control of the instrument valves due to freezing. On-line burning process for daily inspection of critical items of the fracking fireworks process initiated to gradually reduce feed volumes and dilute hydrocarbon concentrations with vapour, and to maintain the chamber by controlling the wind door opening of the burner temperature is in the range of 650-750°c, resulting in a gasification reaction of coke. The focal effect assessment of 02040301 uses an endoscope to conduct an internal wall examination of the decorative catheter, to measure the remaining catheter thickness of no more than 1 mm, and to record the restoration of flow capacity for the validation of changes in the catheters. Mechanical focal tools are applied to the hard-core layer, with the use of rotating steel wiring or high-voltage water currenting equipment to physically clean the interior of the furnace tube, which is operated in a synchronized vacuum to prevent jamming downstream of the powder. Uplift at 20%/h gradient upon completion of the heat test trial operation, monitor temperature differences of no more than 50°c on the surface of the furnace, and confirm that no local overheating is required for normal production. The management of the strategic controlled chemical cleaning cycle for the maintenance of thermostats develops acid wash plans based on the trend of increase in pressure differentials, using a 5 per cent flow pump of lemon acid solution to dissolve carbonate, after which residual chemicals are washed with high pressure water guns. The corrosive coating restoration techniques conducted magnetic thickness tests of the piping plate and the rectangular plate area, and found that the coating break was multilayered with epoxy resin + glass fibre cloth, which required a 48-hour air-conservation test after solidification. The protection measures optimize the installation of an anti-vibration support frame at the u-type beam bend, adjust the cut-off range so that the fluid-induced vibration frequency is removed from the inherent frequency of the tube and reduce the risk of fatigue and fracture. The pre-assembly management of spare parts establishes a 3d model library of key components such as catheters and panels, completes the plant acceptance test (fat) of the new heater module ahead of schedule and reduces the time taken to replace the site. The common malfunction compressor abnormally diagnoses 010203 vibrating ultraplasms to check whether the rotor balance has failed, the axle bearings have worn off, or is not in good shape, requires the location of the vibration source through spectrum analysis and, if necessary, the replacement of components or recalibration. The failure of the lubricant system to monitor oil pressure, temperature and changes in oil quality requires the immediate replacement of the spare pumps and cleaning of the filters to prevent the burning of axles in the event of a sudden drop in oil pressure or an increase in metal particles. Sealed leaks are treated for dry air seals or mechanical seal leaks, which are subject to screening for the stability of the sealed air pressure, wear and tear of the sealed surface, the operation of a back-up sealing system in emergency situations and the quarantine of leak sites. High-temperature burning using online burning or chemical cleaning techniques to control the air-temperature mix ratio, or injection of special solvent solution chars to restore heat transfer efficiency. Fracking furnace cavity removal optimizes hot oil current speed and temperature parameters, regularly detects oil viscosity and solid content, adds filters and develops periodic back-washing schemes. The containment of the acute cooling system prevents the selection of mechanical scraping, high pressure water currents or chemical cleaning based on the composition of the sample, while adjusting the process operating conditions to reduce polymer generation。
