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Commissioning with material feeding: I. Commissioning with material feeding must be carried out to high standards and with strict requirements, in accordance with the procedures outlined in the approved commissioning plan. It is essential to follow all prescribed procedures without exception, to maintain all required standards without compromise, and to make use of every minute available. Before starting the process with material feeding, it is necessary to thoroughly check and confirm that the following conditions are met: 1. Completion of intermediate project handover 1) The project quality is satisfactory； 2) The rectification of issues under the “three inspections and four determinations” has been completed, and all remaining items have been dealt with ； 3) The design change items that affected the commissioning trial run have been completed ； 4) The project has completed the intermediate handover procedures ； 5) All temporary facilities used for on-site construction have been removed ； 6) The device tag numbers, as well as the names of the pipeline media and flow direction indicators, are all complete ； 7) The site is clean, free of clutter, and unobstructed. 2. The unit has completed the joint commissioning tests. 1) The unit has undergone tasks such as purging, cleaning, airtightness testing, drying, gas replacement, filling with the three types of agents, and calibration of instruments, and all have been verified to be correct ； 2) The equipment is in good condition and ready for use ； 3) The online analysis instruments and meters have been calibrated and are ready for use, and the industrial air conditioning system has been put into operation ； 4) Complete the chain calibration to ensure accuracy and reliability ； 5) The tools and equipment for the position are all available. 3. Complete personnel training 1) Field visits to similar domestic and international installations; training completed ； 2) Training sessions, simulated drills, and accident response drills have been carried out to achieve the “three understandings and six skills” (three understandings: understanding the principles, understanding the structure, and understanding the procedures and plans) ； Six skills: the ability to read diagrams, operate equipment, perform maintenance, perform calculations, communicate, and troubleshoot faults), as well as the improvement of “six types of capabilities” (thinking ability, operational skill, coordination and organizational ability, accident prevention ability, self-protection and first-aid ability, and self-discipline ability) ； 3) All engineering personnel have passed the examinations and obtained their work permits ； 4) Compile accident records related to similar devices at home and abroad, and organize studies. In accordance with the principle of \"not letting go of any incident without investigation,\" analyses and summaries have been conducted on the accidents and potential accident risks that have occurred since the commissioning of this device, so as to draw lessons from them. 4. Implement various production management systems 1) Clearly define job responsibilities and establish a responsibility system for team members’ production tasks ； 2) Implement a three-level command system at the company, branch plant, and workshop levels; assign officials to be on duty, and establish a regular meeting system ； 3) Establish a two-level production scheduling system at the company and branch plant levels ； 4) Various systems such as job responsibilities, routine inspections, and shift handovers have been established ； 5) All instructions and information transmissions have been put into written form, and the original record data has been formatted in tabular form. 5. The feed-in commissioning plan approved by higher authorities has been communicated to the production staff. 1) Process technical regulations, safety technical regulations, operating procedures, process flow diagrams, etc. are available to each employee; one copy of the feed-in commissioning plan is provided to all personnel holding positions above that of operator ； 2) There is a written plan for each testing step, and both the supervisors and operators are familiar with it ； 3) Implement “wall-mounted” management ； 4) Conduct trial operation plan briefings, training, and lectures ； 5) The anticipated plan for handling the accident has been formulated and implemented. 6. Implementing logistics support 1) The scope and responsibilities for logistics support have been defined ； 2) The logistics team has been formed ； 3) The logistics staff are on duty and wearing identification badges ； 4) The transportation equipment and tools have been arranged ； 5) Designate the shipping duty location and post a sign there to ensure 24-hour duty coverage ； 6) Backup personnel for logistics support have been arranged ； 7) Material supply services are provided on-site, with 24-hour duty coverage ； 8) Mechanical, electrical, instrumentation, and maintenance personnel are on duty. 7. Ensure that the water supply and drainage systems are operating properly. 1) The pressure, flow rate, and quality of the water meet the process requirements, with a stable water supply ； 2) The pre-coating of the circulatory system is qualified, with stable operation ； 3) The chemical water, fire-fighting water, condensate water, and drainage systems are all in operation and function reliably. 8. Ensure the power supply system is operating smoothly. 1) Dual power sources and dual circuits for power supply have been implemented ； 2) The instrument power supply is operating stably ； 3) The emergency power supply is in place, and the backup generator is in good condition for use ； 4) Power dispatchers are on duty ； 5) Power line maintenance has been carried out, and personnel have started working in shifts. 9. Ensure the steam system is supplying steam steadily: 1) The steam system is connected to the network at the appropriate pressure level, is operating properly, and its parameters are stable ； 2) There is no obvious leakage, and the insulation is good. 10. Confirm that the nitrogen and air supply systems are operating properly. 1) Industrial air, instrument air, and nitrogen – the systems are functioning normally ； 2) Parameters such as pressure, flow rate, and dew point are within acceptable ranges. 11. Chemical raw materials and lubricants (greases) are fully available. 1) Chemical raw materials and lubricants (greases) are fully prepared ； 2) The “three-dose” loading is complete ； 3) The three-stage lubricating oil filtration system has been implemented, and the lubrication points for the equipment have been identified. 12. Complete range of spare parts and accessories: 1) Complete systems, procedures, and records for safe production; a safety management system has been established, and personnel are issued certificates after receiving safety training before taking up their posts ； 2) The firework use regulations, smoking ban regulations, and vehicle management regulations have been established and published ； 3) Fire inspection systems and on-site management procedures for fire trucks have been established, fire fighting plans have been put in place, fire roads are unobstructed, and fire drills have been conducted* ； 4) Fire-fighting equipment and protective gear are available at the post, and everyone knows how to use them ； 5) Gas protection and first-aid measures have been implemented ； 6) The on-site personnel are wearing appropriate personal protective equipment, and basic first-aid knowledge among the workers has been widely disseminated ； 7) The fire protection, sprinkler, misting, water curtain systems, as well as the smoke and fire alarms, and detectors for combustible and toxic gases in the production facilities and tank areas are in operation, with a 100% availability rate ； 8) Pressure testing, calibration, setting of pressure value, and sealing of the safety valve completed ； 9) Pressure vessels such as boilers have been certified by the labor department ； 10) The blind plates are under the management of designated personnel, there is a record book kept, and signs are posted on site ； 11) An on-site first aid station has been established, equipped with ambulances and the like, and operates on a 24-hour basis. 13. The production scheduling system is now operating normally. 1) A two-level scheduling system at the company and branch plant (or workshop) levels has been established; all specialized scheduling personnel have been assigned to their positions, and they have undergone assessment before taking up their duties ； 2) A normal order has been established for commissioning scheduling work, and a regular scheduling meeting system has been put in place ； 3) The dispatchers are familiar with various material transportation plans, as well as the material flow relationships between different plants and units, and the pipelines are already in use ； 4) During the trial operation period, raw materials, fuel, finished products, by-products, and power balance are all brought under the normal management of the commissioning system. 14. Environmental protection measures meet the “three simultaneities” requirement: 1) The pretreatment facilities for production units have been constructed and put into use ； 2) The treatment facilities for the three types of waste have been built and put into operation ； 3) The instruments and chemicals required for environmental monitoring are available, and the analysis procedures and reports have been prepared ； 4) The environmental protection management system, the environmental control parameters for various units, sampling points, and analysis frequencies shall be approved and published for implementation. 15. Preparation work for laboratory analysis is complete. 1) Normal analysis and testing procedures have been established in the central laboratory and analysis rooms ； 2) The laboratory analysis items, frequency, and methods have been determined; the instruments have been calibrated, and the analysts are on duty ； 3) The sampling points have been determined, and the sampling equipment as well as the persons responsible for sampling have been assigned ； 4) Performed using analog sampling and an analog analyzer. 16. On-site security measures have been implemented: 1) The organization, personnel, and transportation for on-site security have been arranged ； 2) Systems for factory access and security measures for key areas such as control rooms have been established ； 3) Measures for joint local defense have been implemented and a notice has been issued. 17. Logistics services for daily life have been arranged: 1) Employee shuttles are available to meet the needs of shift testing and overtime work on holidays, ensuring safety and punctuality ； 2) The cafeteria operates on a 24-hour duty schedule, with meals delivered directly to the site ； 3) The shift-based dormitories have returned to normal ； 4) The responsibility system for cleaning and hygiene has been implemented. 18. The commissioning instructors and experts have arrived at the site; the plan for starting up the operation with feedstock has been approved by the experts; the suggestions of the commissioning instructors have been fully presented; and arrangements have been made regarding their working locations, transportation, accommodation, etc. II. The commissioning trial run should adhere to high standards and strict requirements, be carefully organized, and the “three spirits” (the spirit of overall consideration, the spirit of perseverance, and the spirit of science) should be upheld. It is necessary to ensure that operation does not commence under the following circumstances: when the conditions are not met, when the procedures are unclear, when supervision is absent, or when problems have not been resolved. III. Chemical feeding commissioning should be avoided during the severe cold season. If construction begins in winter, a winter commissioning plan must be prepared, and anti-freezing measures must be implemented. IV. Standards to be met for the trial run with feed material: 1. The production facility operates continuously to produce qualified products, with the trial run successful on the first attempt ； 2. The key control points for the commissioning with feed material shall be reached on time ； 3. No major equipment, operational, or personal accidents shall occur, nor shall there be any fires or explosions ； 4. Ensure that safety, environmental protection, fire protection, and industrial hygiene are implemented simultaneously; the monitoring parameters meet relevant standards, and the environment is not polluted ； 5. The trial operation with feedstock input results in no losses, and the economic benefits meet the expected requirements ； 6. Ensure proper material balance, with raw materials and energy consumption meeting the design standards. V. Feed-in Commissioning Plan 1. The feed-in commissioning plan shall be prepared and implemented by the owner, with our party (including the designer, supplier, and constructor), the proprietary technology provider, and the supervision unit participating. 2. The basic contents of the feed-in commissioning plan generally include: 1) Overview of the plant and commissioning objectives ； 2) Commissioning organization and command system ； 3) Conditions required for commissioning ； 4) Commissioning procedures and commissioning schedule ； 5) Commissioning load and raw material balance ； 6) Balance of water, electricity, steam, air, and nitrogen for commissioning ； 7) Process technical parameters, interlock values, alarm values ； 8) Key points for starting up, shutting down, and normal operation, as well as accident handling measures or contingency plans ； 9) Environmental protection, safety, fire prevention, explosion prevention measures and precautions ； 10) Commissioning and operation maintenance system ； 11) Challenges in commissioning and countermeasures ； 12) Problems encountered during testing and solutions ； 13) Commissioning cost plan ； 14) Special plan for winter testing ； 15) Disposal measures for products ； 16) Identification of unintended products and disposal measures ； 17) Coordination with local fire, safety, environmental protection, and health authorities, as well as the necessary support capabilities. 3. Once the chemical feeding trial run is successful, the defects identified during the trial run should be addressed promptly, and full-load testing should be carried out step by step to create conditions for evaluating production performance.