HG/T 20549.1-1998 Chemical plant piping layout design content and depth regulations
Some standard content:
Industry Standard of the People's Republic of China
Design Standard
Piping Layuul for Chemical Plant HG/T20549—1998
Main document: Technical Center for Piping Design of Chemical Industry Processes Approved by the Ministry of Chemical Industry, Shantou Chemical Industry Bureau
Purchase period: one year one day
National Chemical Engineering Standard Compilation Center (formerly the Engineering Construction Standard Compilation Center of the Ministry of Chemical Industry) Beijing
Chemical Plant Piping Layout Design
Content and depth regulations
HG/T20549.1-1998
1 Composition of chemical plant piping layout design documents and drawing of piping layout drawings
1.1 Composition and brief description of piping layout design documents 1.1.1 Paper format of piping layout design documents
The main documents for piping layout design of chemical plants are: 1 Design document log;
2 Design description;
3 Pipeline layout drawing:
4 Pipeline axonometric drawing and its index+
5 Segment table and basic index
1.1.2 Key points
1 Design document catalog
Only the design or product documents issued at the construction site are listed. The intermediate products in the design process are not allowed to be released. 2 Design details period
For matters that are not stated or difficult to state clearly in the finished product document, but the document needs to highlight the requirements for the construction unit to understand and implement, such as: design specifications, zoning of the device, installation requirements of equipment and pipelines, acceptance standards, composition of design documents, symbols and abbreviations, electrostatic grounding requirements, etc. 3 Pipeline layout diagram
1) Simple pipe construction diagram (initial version)
Completed in the basic engineering design stage. According to the PID\A", "B", "C", "L" of the process system professional [Chemical Plant Process System Design Regulations 2 (1K20557~2055993), the equipment layout diagrams of the following professional layouts are mostly "A", "B", "C", "D" and "Design Regulations for Equipment Layout of Chemical Plants" (HG0545-2), the same below, and the content and depth regulations are detailed in Section 1.2 of this chapter. 2> Pipeline layout
The research version of the pipeline layout type (or detailed version 1, abbreviated as version E, hereinafter available) should be completed in the detailed engineering design stage , design version (also called version 2, F version, hereinafter referred to as version F), construction version (G version for short), which are drawn according to the FID\E\"F\\C\ version of the process system industry and the equipment layout drawing\E"\F"C\ version of the equipment layout. Among them, version 1 is an intermediate product and shall not be sent out. The internal and external requirements of version "E" are detailed in Chapter 2 of this letter [For the order of each edition, please refer to the "Technical Management Regulations for Chemical Equipment Operation" HG/T255.1
Figure 2.0.\Pipeline layout professional design stage order drawing", below!, 4 axonometric and its index
1) Pipeline axonometric drawing is a three-dimensional detailed drawing that shows the direction, connection relationship, pipeline composition and related data and materials of a single pipeline, and is composed of two sections: medical and material length. 2 Pipeline axonometric medical records are prepared for the convenience of the axonometric drawing: the content generally includes: pipeline number, axonometric drawing number, version, area code, etc.
S pipe section surface
1) Pipeline clothing is a single line material cost for pipelines that can be drawn without axonometric end according to regulations, 2) The function and content of the pipe section index are similar to the axonometric drawing index, but there is no axonometric drawing area. 1.2 Pipeline trend map content and depth regulations
1.2.1 Pipeline trend map is an important document for the design stage of the engineering project, and is the basis for the preliminary calculation of pipeline penetration. Through this work, the equipment layout is verified and modified: the width and number of layers of the corridor are considered: the main platform is set: check the reverse cycle of the fire protection point drift specification, check the feasibility of the installation and repair plan: prepare for the next stage of pipeline research, and prepare. This drawing shall not be sent to the construction unit: 1.2.2 Data request
Pipeline and instrument flow chart PIT\\A'"\", "C" version design data table
3 Investment layout\A"\B"\C", \D\Reverse 4 Pipeline number table and special number table:
5 Relevant visual standards.
.23 Proportion and drawing division
I According to the scale of the factory, 1:0 or appropriate ratio can be used. 2 The general layout of the root plate is changed and the ratio is divided into several plane drawings. The section corridor drawing division should comply with the section 1.3.7, paragraph 5 Regulations:
1.2.4 Pipeline diameter range from beginning to end 1. Process pipelines should be fully drawn, low-pressure pipes and exhaust and exhaust branches with nominal diameter (TN) less than 25mm or 1 inch may not be drawn: but control valve groups should be indicated, and the indication method should comply with the provisions of Article 1.2.? 1 of this section:
2 Public engineering pipelines with nominal diameter (T) less than and equal to mm or 2 inches and all control valve groups 2
should be indicated.
3. All sections on the corridor should be indicated according to the pipeline and instrument process (PID) The reserved space is 7.1.2.5 The contents of the pipeline diagram should be as follows: 1. The shape of the heat exchange medium; 2. The basic shape of the rotating equipment: 3. The space occupied by the installation space and the reserved space: 4. The shape of the building and structure (including the structure, wall, door, platform, ladder, installation hole and overweight, etc.); S. The pipe and electrical cables; 6. The axis of the pipe gallery, the main pipe rate should comply with the provisions of Article 1.2.7, paragraph 5 of this section; pipelines and pipeline numbers, flow direction: 8. Equipment pull number: tt||9 Main valves:
10 North direction mark:
1.2.6 Dimension marking
The dimensions that need to be marked are column dimensions, elevations or coordinates: the corridor mark and the pipe spacing dimensions and the location of the pipeline are not accurate.
1.2.7 Representation method
1 Pipes are represented by single lines,
1 For welding pipe fittings, no points need to be drawn:
3 It can be represented by right angles without two arcs:
4 The adjustment valve group can be replaced by a standard shape, as shown in the schematic diagram of the adjustment valve group: Figure 1. 2. 7 Schematic diagram of regulating valve group
5 Consider the width of the pipeline gallery on the surface first, do not draw it in proportion, draw it in layers, list the pipelines in half: finally, draw the new pipeline in layers according to the results of self-research, and draw the main surface diagram of the pipeline as the basis for the number of layers and width of the pipeline sequence. 1.3.1 Use more than
1.3 Pipeline layout drawing (research version) content and depth regulations Pipeline layout drawing (research version) is a semi-finished product within the design unit. Through comparison work, the equipment layout and pipeline location are basically determined, and conditions can be proposed to relevant professionals one by one. This drawing shall not be sent to the design unit for inquiry 1.3.2 Based on the data
Pipeline and instrument flow chart (PT "E\ version: 2 Equipment list and appearance:
3 Equipment technical micro-map\E\ version:|| tt||4 Pipeline data sheet and special parts data sheet;
5 Pipeline grade table:
6 Pipeline orientation diagram;
7 Construction, structure, column layout and parts diagram
8 Pipeline conditions in maintenance area:
9 Gas and electrical system components:
10 Preliminary instrument length and parts diagram (or data sheet) 11 Professional conditions,
1.3.3 Proportion and division of drawing groups
【The proportion of pipeline layout drawing (research version) shall be consistent with the proportion of pipeline layout drawing in the next stage. When the proportion cannot be combined due to some conditions, the middle one shall be taken. When the proportion is selected in the first paragraph of Article 2, the zoning shall be in accordance with the provisions of Chapter 4 of "Design of internal cellar and depth of chemical equipment" (HG20546.1). 1.3.4 The pipe diameter specifications of the drawings (research version) are included in the drawings! All pipelines: high point exhaust, low point exhaust. 2 The nominal diameter (1V large 100mm or 50mm) is less than 2 inches of the nominal diameter of the public pressure engineering pipeline and all minor pipelines installed in the Baobao. The nominal diameter is less than 2 inches. It can be expanded to less than 2 inches. Pipes on the cutting or cutting, but the pipelines and control materials that need to be stressed should be marked regardless of the diameter.
3 Pipes on the pipe gallery, no matter how large the pipe is, should be included in the research version. 1.3.5 The contents of the pipeline main drawing (research version) are except for the size mark page of this section. 3.6. The following are the contents of the pipeline corridor: 4. The exterior of the equipment, such as heat exchangers, etc. For the auxiliary equipment, the support should be drawn and the sliding end or fixed end should be marked in detail; 2. The foundation exterior of the rotating equipment:
3. The space occupied by the installation and maintenance, and the reserved space (with double-dotted lines); 4. The exterior of the building (including columns, pins, doors, platforms, ladders and safety escorts, installation types, railings, trenches, etc.):
5. The nest and community of the pipe gallery:
6. Pipes, valves (including rear hand wheels, hand wheels), accessories and special parts, etc.: 7. The air and instrument cable rack and electrical trench: Local electrical control valves and instrument control main pipes: 9. Crane, hoisting material, hook and lifting book operation room: 10. The exterior range of the hose station and the lavatory:
11. North sign.
1-3.6 feet standard
dimension marking shall be subject to the following requirements:
! All equipment positioning dimensions shall be marked. Horizontal equipment shall also be marked with the appropriate size of the equipment support: For horizontal equipment, the height of the chassis shall be marked, and the height of the station shall be marked above or below the center line of the pump number. For compressors, the center height of the crankshaft and cylinder shall be marked: 2 Mark the axis number and the size or coordinates of the structure: 3 For pipes, the fence distance (or some) and the elevation of the floor shall be marked: 4 Mark the crane depth, beam length, bottom, connection or starting point: S local gas and instrument control shall be marked with the positioning center 6 Mark the pipe opening direction, equipment pipe opening number and base height. For specific marking methods, see Article 2.6.2 of this regulation. 7 Common;
In order to indicate the proposed pipeline number, pipeline grade number, flow direction, pipe bottom elevation or two-point elevation and its positioning size or coordinates +
When special requirements are required, it is necessary to mark the pipeline location coordinates and elevation, and the height shall not be larger than the height. Only Chinese or text symbols shall be marked: 9 Mark the relevant reference drawing number
[.3.7 Indicates
1 The correct method of connecting the pipe, pipe fittings, valves, regulating valve groups, etc. is consistent with the pipeline layout (design version> drawing method anti-fixed box height; 2 Elbows are used as shown in Section 1.3 of this standard .3 Article 1 New statement. When using the middle example to make drawings, the single continuous parts are allowed to be expressed at right angles:
3 Other drawings must be specified as follows:
1) For the drawings of piping layout (design version), pipe fittings, valves and special piping parts, please refer to the provisions of Chapter 2 of the "Chemical Plant Piping Layout Design Specifications\(HG, T20549.21). 2 The content of equipment layout in the piping layout drawing shall comply with the provisions of Chapter 6 of the "Chemical Plant Equipment Layout Design Internal Penetration and Depth Specifications\HG2046,1). 4 The line width and body provisions of equipment, design layout drawings, piping survey drawings, pipe fittings drawings, etc. shall comply with the provisions of Chapter 13 of this standard.
2 Pipeline layout drawings (design version) drawing regulations 2.1 General regulations
Pipeline layout drawings should use A0 as much as possible. Simpler ones can also use A1 or A2. Drawings in the same area should use the same drawing size. 2.1.2 Scale
The commonly used scale is 1:30: 125 or 150 can also be used. For the same area or each layer of the plan, the national scale is used.
2..3 Dimension units
The elevations and elevations marked in the pipeline layout drawings must be in meters, with three decimal places, up to millimeters; the dimensions of the general use shall be in digits, with only numbers and no units. The nominal diameter of the pipe shall be expressed in meters. The design elevation of the reference ground plane should be expressed as: EI.100.000m. The elevation below the base plane can be expressed as: 9x.xxxm.
2. 1. 4 Drawing name
The drawing name in the title bar is generally written in two lines, the upper line is "Pipeline layout diagram", and the lower line is "EI×××, XXX plane" or "A-2, B-B·.... section secret, etc."\2.2 Based on the data
2.2.1 Pipeline and instrument flow chart (F11)F", "6\ version, 2.2.2 Design diagram (the most complete equipment diagram): Equipment notice diagram "F"\G" boom
2. 2.4 The most complete pipeline number and special parts number table; 2.2.5 Pipeline grade table
Pipeline feather (research version)
The final construction, structure beam, support diagram: 2. 2. 71
2.2.9 Final pipeline boundary table +
2.2.9 Final electrical and instrumentation drawings: 2.2.10 Final instrument condition diagram (or data table); 7
1.2.11 Other relevant conditions, 2.3: Design regulations to be followed
2.3.1 The drawing line width and body regulations shall comply with the provisions of Section 13 of this standard, 1.3.2 The pipes, pipe fittings, valves and special piping parts in the pipeline layout shall comply with the provisions of Chapter 2 of "Chemical Plant Piping Layout Design Engineering Regulations" (HG/T20549.2), 2..3 The design layout content in the pipeline layout drawing shall comply with the provisions of Section 6 of "Chemical Plant Equipment Layout Design Content and Depth Regulations" (HG23546.1). 2.3.4 The pipe layout diagram shall be in accordance with the provisions of the fourth competition of "Chemical Equipment Pipe Layout Design and Depth Regulations" (HG2046.-).
2.3.5 The pipe layout diagram shall be in accordance with the national standard of the American machine drawing. 2.4 The general pipeline layout diagram (design version) includes the pipe diameter range of all process pipelines (including high-point exhaust and low-point non-liquid), public engineering pipelines and underground pipelines. 2.5 Contents of the pipeline layout diagram
1 .5.1 Representation of drawings
1 The pipeline layout diagram shall be drawn in the area divided by the equipment layout or the partition index diagram (in the basic unit of the district). The regional boundary line shall be highlighted with a double-dotted line, and the code of the district shall be marked on the outside of the district boundary line. The pipeline layout diagram of the adjacent part with the same coordinates as this mark shall be shown in Figure 2.5.1-1. eL×××.×××N
#×××'x×X1
ML×X×. XX×Y
CD××XX
xxxxxx
x×xx103
Figure 2.5. 1-1
Representation of regional boundaries
Note: BL. Indicates installation benefit; ML
Indicates connection line: OD
Indicates connection diagram.
2 This drawing is generally only used for plan view. When the installation diagram is not clear enough, a sampling diagram can be drawn. This drawing or auxiliary drawing can be drawn under the pipeline and in the blank space outside the boundary line of the drawing (it is not allowed to be used as the blank space in the pipeline plan layout drawing) or on a small drawing or temperature or on a separate drawing. When drawing to the view, the proportion should be correct. The dimensions should be marked according to the scale. The auxiliary measurement does not need to be adjusted. The dimensions should be marked. The method of expression is shown in Section 2.5.1, Clause 12. The view number is specified to be 4-A, 1-1+, etc. The symbol shall not be repeated in the area. The position, direction and number of the surface to be covered shall be indicated on the plan. See 2.5.1-3. www.bzxz.net
3 For multi-story buildings, the pipe layout diagram of the structure should be drawn in layers, such as when drawing the plan diagram in the whole drawing. , should be the lowest level, in the drawings from the bottom room up or from the front to the right in order. And "EI.X××,××× plane" should be indicated under each plane. 4 On the drawing platform with the following figure: the left side of the pipe opening table should be the same as the design of the equipment notice drawing.
2.5.2 The contents of the building (structure) on the pipe notice drawing should be shown. 1. The building and structure should be listed as follows. According to the equipment layout, the parts, fans, floors, doors, windows, class domains, platforms, installation holes , pipe trenches, ion technology, distribution slopes, pipe gallery channels, enclosures, passages, railings, ladders and safety signs, etc. 2. The connection ratio is indicated by red dotted lines on the local instrument panel, the outer wheel of the electrical panel and the electrical, instrument cable guard or rack and cable trench, and the scale is not marked to avoid collision with pipelines. 3. Living rooms and auxiliary rooms should be marked! ! Its composition and name: 2.5.3 The content of the equipment shown on the skeleton diagram should be shown in the composition ratio according to the position determined by the equipment notice drawing. 2. It indicates the beam, the pole and the starting and ending room. 3. According to the ratio, the support seat of the horizontal equipment is depicted, and the position of the fixed seat is marked. When the base is marked as a source, the base is drawn according to the ratio. It is small without a scale. 4. For the static type, the position of the skirt seat and the mark symbol should also be indicated. 5. For industrial furnaces, the shapes, paths, and shielding of the main pipes and other parts related to the furnace stand are all shown (the "installation area" and "repair area" of heavy equipment and the space for heating and cooling are indicated by dotted lines. However, the size is not marked, as shown in the following figure: Maintenance area Figure 2.5.3 Schematic diagram of equipment inspection or core area 9 Ftiana 5130F-253 E1 99.65a
eme ae
Figure 5. [ ~2 Pipeline layout
Pipe outlet guide
8EH70S92
PL/235-50-BIA-
Horizontal vertical
To drainage bay
Pipeline layout
L×××× plane
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