HG/T 20645.3-1998 Regulations on Professional Technical Management of Pipeline Machinery in Chemical Plants
Some standard content:
Chemical Plant Pipeline Machinery Professional Technology
Management Regulations
HG/T20645.3-1998
1 Professional Responsibilities and Tasks at Each Stage
1.1 Scope of Responsibilities
1.1.1 Responsible for flexibility analysis and stress calculation of the piping system within the specified scope. 1.1.2 Responsible for the verification and calculation of the wall thickness of important metal pressure piping. 1.1.3 Responsible for the verification and calculation of the allowable load range of the interface of sensitive equipment (such as turbines, compressors, pumps, etc.) connected to the end of the piping system within the specified scope. 1.1.4 Responsible for the design of pipe racks for pipelines in the device. 1.1.5 Review the drawings and materials related to this profession provided by the supplier. 1.1.6 Responsible for the preparation and revision of the basic work such as the standards, specifications, regulations and manuals of this profession, as well as the technical development work related to this profession.
1.1.7 Responsible for the training of professional skills and knowledge updating of professionals in this profession. 1.1.8 Responsible for controlling the consumption of man-hours (machine hours) and continuously accumulating effective quotas. 1.1.9
Participate in on-site technical service work.
1.2 Tasks at each stage of engineering design
No matter which design stage you participate in, as long as there is a certain work content, you should make an estimate of man-hours (machine hours) according to regulations or actual conditions.
1.2.1 Basic engineering design stage
1 In the following cases, this major can participate in phased work 1) For new products and new processes that lack design experience, the work content related to this major is involved. 2) For large and medium-sized devices that lack design experience, the work content related to this major is involved. 3) Work content related to this major is related to meeting certain special needs. When it is necessary to place orders in advance due to a long manufacturing cycle or procurement time. Due to difficulties in the layout of chemical equipment (such as small space, etc.), multi-scheme flexibility analysis and stress calculation are required for key pipelines.
When the high price of materials affects the control of project costs, it is necessary to reduce the flexibility and strength to the minimum limit under the premise of meeting the safety requirements to achieve the effect of saving materials. 2 Prepare a technical risk memorandum when necessary
1.2.2 Detailed engineering design stage
Prepare the professional engineering design regulations.
Pipeline wall thickness verification calculation (or put it in the later stage of basic engineering design). Prepare "critical piping system table" (or put it in the later stage of basic engineering design). Piping system flexibility analysis and stress calculation.
Determination of the position of the sliding support of the horizontal container. Branch pipe reinforcement calculation.
Steam jacket pipe end plate strength verification calculation.8
Turbine, turbo compressor, pump pipe end allowable load verification calculation. Buried pipeline force calculation.
10Dynamic analysis and calculation of reciprocating compressor inlet and outlet pipelines.11Conditional diagram design
1) Pipeline rack condition diagram.
2) Civil engineering condition diagram.
3) Equipment condition diagram.
Prepare pipe rack table.
Draw non-standard pipe rack diagram.
Prepare pipe rack material table.
Pipe rack design and installation Installation instructions.
Prepare a summary list of finished project documents.
Collate and archive the stress calculation book.
Working procedure diagram for the engineering design phase
The working procedure diagram for the engineering design phase is shown in Figure 2. 33
Vehicle base duties
Summary of engineering documents compilation
Pipe rack design instructions
Special pipe rack drawings
Pipe rack installation
Pipeline accessories calculation
Pipe fittings strength calculation
Engineering design regulations
Year room
Not accepted by pants
Equipment layout drawing
Pipeline naming table
Borrowing installation drawing
Equipment circle
Chess board circle Building circle
Guan Cheng Plane layout
Control valve thrust data table
Equipment layout
Platform structure diagram
Template
Heat exchanger sliding end position
Equipment circle
Pipeline material regulations
Safety thrust data table
Pipeline naming table
Pipeline plane layout circle
Stress analysis axis diagram
Pipeline design model
Instrument flow chart
Pipeline name table
Pipe wall thickness data table
Design conditions (summary)
3.1 Basic engineering design stage
3.1.1 Flexibility analysis and stress calculation of key pipelines 1 Acceptance conditions
1 ) Pipeline layout or external pipe professionals provide stress calculation axonometric sketches for key pipelines. 2) Basic data required for flexibility analysis and stress calculation of pipelines. 2 Proposed conditions
1) Flexibility analysis and stress calculation results of key pipelines, 2) Suggestions for changing the direction of pipelines that failed the calculation 3.2 Detailed engineering design stage
3.2.1 Pipeline wall thickness verification calculation
1 Acceptance conditions
1) Pipeline instrument flow chart.
2) Pipeline naming table.
3) Pipeline wall thickness data table.
2 Proposed conditions
1) List of calculated pipe wall thickness.
3.2.2 Critical piping system table
1 Acceptance conditions
1) Pipeline instrument flow chart.
2) Pipeline naming table.
3) Pipeline material control design regulations.
2 Proposed conditions
Critical piping system table (preliminary publication), as shown in Example Table 3.2.2. 35
Edition REV.
Date DATE
Table 3.2.2 Critical Piping System List
Received date Calculation date
Critical Piping System List
CRITICALPIPELINELIST
Contract No.
(Calculation)
Analyst
Verifier Reviewer Sending date
A——General analysis method
S Simple analysis method
REMARKSS
V-Visual inspection
Juchang brand
Sub-item nameWww.bzxZ.net
SUBPROJECT
Drawing number DWG.NO.
Y-Passed
x-Failed
Total number of sheets.
SHEETOF
3.2.3 Flexibility analysis and stress calculation of critical piping system 1 Acceptance conditions
I Pipeline layout drawing
2) Axonometric sketch of flexibility analysis and stress calculation. 3) Pipeline instrument flow chart.
4) Pipeline naming table.
5) Safety valve reaction force data table.
6) Pipeline material regulations.
7) Equipment (general) drawing.
8) Horizontal container and heat exchanger sliding end position. 9) Civil formwork drawing, steel platform structure drawing, building plan, elevation and surface drawing. 10) Equipment layout drawing.
11) Control valve thrust data table.
12) Equipment manufacturing drawing provided by the manufacturer (copy). 2 Conditions to be proposed
1) A table of the flexibility analysis and stress calculation of the piping system, including: the forces and moments acting on the constraint points;
The maximum stress and allowable stress range of each branch: spring model, working load, installation height, etc. 2) Axonometric drawing of the flexibility analysis and stress calculation of the piping system (copy), including: support (hanger) frame node number, support (hanger) frame form, load value (force and moment); end point load (force and moment); mark of whether the piping system calculation is passed. 3.2.4 Dynamic calculation of inlet and outlet pipelines of reciprocating compressor 1 Acceptance conditions
1) Mechanical performance data of reciprocating compressor
Compressor main shaft speed (r/min);
Crank radius (m);
Connecting rod length (m);
Relative clearance volume of cylinder (dimensionless); Buffer volume (m2).
2) Process medium data
Sound velocity of medium in each pipe (m/s);
Density of medium in each pipe (kg/m2);
Adiabatic index;
Compressibility coefficient;
Gas constant (kg·m/kmol·k);
Gas expansion index;
Gas calculation temperature (°K);
Gas calculation pressure (MPa).
3) Reciprocating compressor and related equipment diagram. 4) Plane study (sketch) diagram of inlet and outlet pipelines of reciprocating compressor. 2 Conditions to be proposed
1) Evaluation of the output results of the calculation of the gas natural frequency (avoid resonance, the calculation will pass). 2) Evaluation of the output results of the calculation of the airflow pulsation (pressure unevenness is within the allowable range, the calculation will pass).
3) Evaluation of the output results of the calculation of the pipe system structure vibration. The calculation will pass if the following requirements are met. The excitation frequency avoids the natural frequency range of mechanical vibration and does not produce resonance; the amplitude of mechanical vibration is within the allowable range; the stress under vibration is within the allowable range. 4) Sketch of the design scheme for the inlet and outlet pipelines (direction) of the reciprocating compressor. The figure includes: the data required for the design of the pipeline surface layout (pipeline size, direction, etc.); the required number, volume size, and installation position of the buffer; the form and position of the pipeline support (hanger).
3.2.5 Determination of the position of the sliding support of the horizontal container 1 Acceptance conditions
1) Equipment (general) drawing of the horizontal container or heat exchanger: 2) Pipeline plane layout.
2 Conditions to be proposed
Table of sliding support positions for horizontal containers or heat exchangers (the table indicates the specific position of the sliding support). 3.2.6 Calculation of branch pipe reinforcement
1 Acceptance conditions
1) Axonometric drawing for stress calculation;
2) Pipeline naming table:
3) Pipeline material control professional engineering design regulations. 2 Conditions to be proposed
1) Axonometric drawing with branch pipe reinforcement calculation result data marked. 3.2.7 Calculation of strength verification of non-standard pipe fittings
Acceptance conditions
1) Drawing of non-standard pipe fittings (non-standard flanges, jacketed pipe end plates, etc.). 2 Conditions to be proposed
1) Thickness value of non-standard pipe fittings (non-standard flanges, jacketed pipe end plates, etc.). 3.2.8
Pipeline rack condition diagram
Acceptance conditions
1) Pipeline plan layout diagram;
2) Civil construction formwork diagram, steel platform structure diagram, building plan, elevation, section diagram, foundation plan diagram; 3) Civil engineering engineering design regulations:
4) Equipment layout diagram;
5) Pipeline instrument flow chart;
6) Pipeline naming table.
2 Proposed conditions
1) Pipeline rack condition diagram (i.e., pipeline plan layout diagram with pipe rack position and pipe rack number marked). 3.2.9 Civil construction condition diagram
1 Acceptance conditions
1) Building plan, elevation, section diagram;
2) Civil construction formwork diagram, steel platform diagram, foundation plan diagram; 3) Civil engineering engineering design regulations.
2 Proposed conditions
1) Civil construction condition diagram. The figure includes:
The foundation conditions of the pipe rack on the ground and floor;
The position (elevation, positioning size) of the embedded parts or perforations of the pipe rack on the beams, columns, surfaces (floor or ground) and walls; the loads (forces and moments) on the embedded parts, openings and the foundation of the pipe rack. 3.2.10 Equipment condition diagram
1 Acceptance conditions
1) General diagram of equipment containers, heat exchangers, industrial furnaces and special equipment, etc.; 2) Diagram of standardized equipment (machine pumps, compressors, etc.) provided by the manufacturer. 2 Propose conditions
1) Equipment condition diagram. The figure includes:
Condition diagram of the pipe rack support components welded on the equipment (the diagram is marked with elevation, azimuth, and on-site installation instructions); the loads (forces and moments) actually borne by the support components. 4.1.1 Acceptance of conditions
Design quality assurance measures
4.1 Design conditions
1 The professional leader should remind the professional or department that provides the conditions to prepare the conditions 3 to 5 days in advance according to the design schedule, and promptly review and pass the conditions to the relevant personnel after receiving them. 2 The professional leader should check all the accepted conditions, and the reviewer of the professional or department that proposed the conditions must sign. Conditions without review will not be accepted. 3 The professional leader should regularly check the accepted conditions according to the control list to ensure that the conditions used by the relevant personnel are the latest version.
4 The professional leader should classify and bind the conditions according to the data management method for easy management and reference. 4.1.2 Propose conditions
1 All proposed conditions shall be numbered, registered and distributed by the professional leader according to the regulations. The proposed conditions shall be reviewed and signed according to the design quality assurance requirements, as shown in Table 4.5. 2 The professional leader shall keep the original or copy of all versions of the conditions proposed by the profession. 4.2 Engineering Design Regulations
Acceptance Conditions
1 Construction Report;
2 Engineering Design Basic Data;
3 Engineering Design Phase Master Plan (Network Diagram); 4 Engineering Drawings and Data Sending Sheet.
4.2.2 Preparation, Review and Signing
1 Engineering Design Regulations shall usually be prepared by the professional person in charge according to the contract requirements. 2 After the engineering regulations are completed and signed, they shall be reviewed by the reviewer (designated by the project) and the auditor (designated by the project).
3 The professional person in charge shall revise them according to the reviewer's comments and send them to the reviewer for confirmation and signature. 411 Design conditions
1 The person in charge of the profession should remind the profession or department that provides the conditions to prepare the conditions 3 to 5 days in advance according to the design schedule, and review and pass the conditions to the relevant personnel in a timely manner after receiving them. 2 The person in charge of the profession should check all the accepted conditions, and the reviewer of the profession or department that proposed the conditions must sign. Conditions without review will not be accepted. 3 The person in charge of the profession should regularly check the accepted conditions according to the control list to ensure that the conditions used by the relevant personnel are the latest versions.
4 The person in charge of the profession should classify and bind the conditions according to the data management method for easy management and reference. 4.1.2 Proposing conditions
1 All proposed conditions shall be numbered, registered and distributed by the person in charge of the profession in accordance with the regulations. The proposed conditions shall be reviewed and signed according to the design quality assurance requirements, as shown in Table 4.5. 2 The person in charge of the profession shall keep the originals or copies of all versions of the conditions proposed by this profession. 4.2 Engineering Design Regulations
Acceptance Conditions
1 Construction Report;
2 Engineering Design Basic Data;
3 Engineering Design Phase Master Plan (Network Diagram); 4 Engineering Drawings and Data Sending Sheet.
4.2.2 Preparation, Review and Signing
1 Engineering Design Regulations shall usually be prepared by the professional person in charge according to the contract requirements. 2 After the engineering regulations are completed and signed, they shall be reviewed by the reviewer (designated by the project) and the auditor (designated by the project).
3 The professional person in charge shall revise them according to the reviewer's comments and send them to the reviewer for confirmation and signature. 411 Design conditions
1 The person in charge of the profession should remind the profession or department that provides the conditions to prepare the conditions 3 to 5 days in advance according to the design schedule, and review and pass the conditions to the relevant personnel in a timely manner after receiving them. 2 The person in charge of the profession should check all the accepted conditions, and the reviewer of the profession or department that proposed the conditions must sign. Conditions without review will not be accepted. 3 The person in charge of the profession should regularly check the accepted conditions according to the control list to ensure that the conditions used by the relevant personnel are the latest versions.
4 The person in charge of the profession should classify and bind the conditions according to the data management method for easy management and reference. 4.1.2 Propose conditions
1 All proposed conditions shall be numbered, registered and distributed by the person in charge of the profession in accordance with the regulations. The proposed conditions shall be reviewed and signed according to the design quality assurance requirements, as shown in Table 4.5. 2 The person in charge of the profession shall keep the originals or copies of all versions of the conditions proposed by this profession. 4.2 Engineering Design Regulations
Acceptance Conditions
1 Construction Report;
2 Engineering Design Basic Data;
3 Engineering Design Phase Master Plan (Network Diagram); 4 Engineering Drawings and Data Sending Sheet.
4.2.2 Preparation, Review and Signing
1 Engineering Design Regulations shall usually be prepared by the professional person in charge according to the contract requirements. 2 After the engineering regulations are completed and signed, they shall be reviewed by the reviewer (designated by the project) and the auditor (designated by the project).
3 The professional person in charge shall revise them according to the reviewer's comments and send them to the reviewer for confirmation and signature. 41
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.