Chemical Process and System Design
Thread Content
1. Regulations for chemical process design and design examples (1) Working methods, key considerations, and solutions at various stages of engineering design； (2) Provisions in the \"Petrochemical Plant Process Design Package\", differences between the process package and the process data package, and considerations for preparation ； (3) Technical preparation for foundation engineering design (prior to the start-up report), as well as the final determination of the design basis and design criteria ； (4) Design content and depth requirements for processes and process systems in the foundation engineering design phase ； (5) Key points for reviewing documents during the foundation engineering design phase and analysis of difficult issues. 2. Typical process settings and equipment calculations: Typical approaches to process design and methods for equipment calculation (towers, storage tanks, heat exchangers, pumps, skid-mounted equipment (complete sets), etc.). (1) Day 2: 1. Process system design (1) The logic of process system design – what systems are included in chemical engineering design? How should these systems be planned and designed within the same city? Examples include: common engineering stations, compressed air/instrument air systems, nitrogen systems, various water systems, steam systems, fuel gas systems, heat/coolant systems, flare systems, VOCs treatment systems, etc. The relationship between supply and demand balance and proper consideration of future development ； (2) Principles for determining the design pressure and design temperature of equipment and piping systems ； (3) General design methods for control valve assemblies, venting, and draining ； (4) Design principles for safety valve systems ； (5) Analysis of overpressure conditions in the process system and determination of the relief valve discharge capacity ； (6) Version and function of PID ； (7) Explanation of common system issues in engineering design. 2. Specification of the process conditions for flow meters and principles for selecting primary instruments: control valves, pressure, temperature, flow, level, and others. (II) Day 3: 1. Implementation of HSE measures during the design process: protection against burns, eye wash stations, showers, measures to prevent falls, etc. 2. Considerations of safety issues in chemical engineering design (1) Principles for determining the toxicity of pure substances and mixtures, and the impact of toxicity on the classification of pressure vessels ； (2) Issues regarding the coordinated application of the Code for Fire Protection Design of Petrochemical Enterprises and the Code for Fire Protection Design of Buildings ； (3) Design challenges of equipment safety protection facilities ； (4) Focus areas and precautions for safety reviews and safety pre-assessments at different stages ； (5) Safety aspects to consider at different design stages ； (6) HAZOP review process and precautions. Engineering case: Using a specific engineering design project as a means to apply the lecture content, thereby enhancing understanding and consolidating learning outcomes (13716539921)
Chemical process and system design involve planning, calculation, and implementation at multiple levels, with each step ensuring technical precision and safety and reliability. The following outlines the key points: 1. **Chemical process design**: - Engineering design is divided into multiple stages, each of which requires clear working methods, precautions, and solutions to potential problems. - The \"Petrochemical Plant Process Design Package\" contains detailed specifications; it distinguishes between the process package and the process data package, and special attention must be paid to their respective characteristics and requirements during preparation. - Adequate technical preparation must be completed before the design of foundation engineering to establish the design basis and design criteria. - During the basic engineering design phase, it is necessary to detail the processes and process systems, and determine an appropriate level of design depth. - Document review is a critical step that should focus on the main technical challenges and common questions. 2. **Equipment and process system design**: - During design, common engineering stations and various systems such as compressed air systems, water systems, steam systems, etc., should be arranged reasonably. - The design pressure and temperature of equipment and pipelines must be determined based on process requirements and safety standards. - The design of control valve assemblies, as well as venting and draining systems, must take into account ease of operation and safety in general. - The design of the safety valve system and overpressure conditions must strictly comply with industrial standards to ensure the safety and stability of the entire system. 3. **HSE Measures and Safety Design**: - Effective HSE measures must be implemented during the design process, such as measures to prevent burns, the provision of eye wash stations, and safety protections. - Safe design requires full consideration of the toxicity of substances, fire protection, and the safety protection of equipment. - Safety reviews and HAZOP reviews are important steps in ensuring design safety. Through the discussion of specific engineering cases, a deeper understanding of these theoretical principles can be achieved, and they can be applied in practical operations to ensure the quality and safety of chemical engineering design. .
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