GB/T 20322-2023Petroleum and natural gas industries - Reciprocating compressors (English PDF)

foreword

This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents"

drafting:

This document replaces GB/T 20322-2006 "Reciprocating Compressors for the Oil and Gas Industry", and is consistent with GB/T 20322-2006

In addition to structural adjustments and editorial changes, the main technical changes are as follows:

---Changed the scope, deleted the "oil-lubricated or non-oil-lubricated cylinder", "used in key facilities" and "assembled high-speed detachable engine drive

"This standard is not applicable to gas engines and steam turbine drives and" and other content (see Chapter 1,:2006 edition

Chapter 1);

--- Changed the normative references (see Chapter 2, Chapter 2 of the:2006 edition);

---Changed and added some terms and definitions (see Chapter 3, Chapter 3 of the:2006 edition);

--- Added the requirement for the seller to provide the maximum sound pressure and sound power data for each octave band (see 5:1:2);

--- Added the minimum inlet water temperature requirement for entering the water-cooled bearing seat (see 5:1:3);

---Changed the crankshaft interval angle for the calculation of integrated rod load and gas load (see 5:4:3, 5:4:3 of the:2006 edition);

--- Added the load requirements that the compressor should bear (see 5:4:5);

--- Added requirements for cold radial runout (see 5:6);

--- Changed the requirements for the maximum allowable working pressure setting of the cylinder (see 6:1:1:1, 6:1:1:1 of the:2006 edition);

--- Added the depth requirements for screw holes in pressure equipment (see 6:1:1:5);

---Changed the surface roughness requirements of the working inner diameter of the cylinder (see 6:1:2:5, 6:1:2:5 of the:2006 edition);

---Deleted the spraying requirements for the working chamber of the cylinder, and added the honing requirements for the working chamber of the cylinder with a non-metallic tetrafluoroethylene ring (see

6:1:2:6 of the:2006 edition);

--- Changed the provisions of the bolted connection (see 6:1:2:11, 6:1:2:11 of the:2006 edition);

--- Increased the heating requirements of the self-contained closed water jacket cooling system [see 6:1:3:5d)];

---Changed and added the technical requirements for the interface welded to the cylinder and the short connection pipe (see 6:1:4, 6:1:4 of the:2006 edition);

---Changed the design requirements of the pressure valve cover (see 6:2:8, 6:2:8 of the:2006 edition);

--- Added specific performance index requirements for non-metallic valve plates (see 6:2:10);

---Deleted the hardness requirements for the metal valve seat (see 6:2:11 of the:2006 edition);

--- Added the requirement to provide a cylinder unloader at the cylinder end (see 6:2:11);

--- Added the requirements for the metal rain cover for the unloader (see 6:2:17);

--- Added the requirements for the connection between the piston rod and the crosshead (see 6:3:1:2);

--- Increased bearing ring bearing calculation formula (see 6:3:3);

--- Changed the requirements for piston rod material and surface treatment (see 6:3:4, 6:3:4 of the:2006 edition);

--- Changed the requirements for the piston rod material used for sour gas (see 6:3:5, 6:3:5 of the:2006 edition);

---Changed the design requirements of crankcase, crankshaft, connecting rod, bearing and crosshead (see 6:4, 6:4 of the:2006 edition);

--- Changed the requirements for the socket chamber interface (see 6:5:5, 6:5:5 of the:2006 edition);

--- Added the definition of important repairs for castings and forgings (see 7:6:1);

--- Added non-destructive testing after welding repair (see 7:7:2);

--- Added impact test requirements and instructions for low temperature component materials (see 7:8:2);

--- Increase the compressor power level of the fuselage pressure lubrication system (see 8:1:1);

--- Changed the components that should be included in the lubricating oil system (see 8:1:3, 8:1:3 of the:2006 edition);

--- Increased the definition of unit allocation system functions (see 8:2:3);

---Changed the execution standard of the steam turbine driver, supplemented the regulations on power rating and continuous power rating (see 9:1:3:1,

9:1:3:1 of the:2006 edition);

--- Added installation requirements for low-speed couplings (see 9:2:1:3);

--- Added the requirements for the threaded removal hole of the coupling hub (see 9:2:1:7);

---Changed the application scope of the belt drive and the design requirements of the pulley (see 9:4:1, 9:4:4, 9:4:1, 9:4:4 of the:2006 edition);

--- Changed the design requirements of the mounting plate (see 9:5, 9:5 of the:2006 edition);

--- Changed the execution standard of the air cooler (see 9:6:7, 9:6:7 of the:2006 edition);

--- Increased the type classification of liquid separation devices, increased the design requirements of liquid separation devices [see 9:6:12a), 9:6:14~

9:6:16, 9:6:12:1 of the:2006 edition];

--- Added methods and methods of the control system (see 10:1:1, 10:1:1 of the:2006 edition);

--- Changed the content of the temperature monitoring system [see 10:4:2i), 10:4:2:8 of the:2006 edition];

--- Added the design suggestions for the saturated gas suction system in the pipeline and accessory equipment, and the requirements for the interface terminal of the base boundary (see

11:1:5, 11:1:6, 11:1:5, 11:1:6 of the:2006 edition);

--- Added the requirements for the venting and draining pipes of the socket (see 11:7);

--- Changed the pulsation and vibration control (see Chapter 12, Chapter 12 of the:2006 edition);

--- Changed the requirements for spare parts and installation manuals in the contract documents (see 15:3:6, 15:3:7:2, 15:3:6, 15:3:7:2 of the:2006 edition):

This document is modified to adopt ISO 13707:2000 "Reciprocating Compressors for the Oil and Gas Industry":

Compared with ISO 13707:2000, this document has more structural adjustments: Comparison list of structure number changes between two files

See Appendix A:

Compared with ISO 13707:2000, this document has more technical differences, and vertical

Single lines (|) are marked: See Appendix B for a list of these technical differences and their causes:

The following editorial changes were made to this document:

--- Deleted the terms "pulsation response analysis", "similar simulation", "acoustic numerical simulation", "failure of control system operation" that did not appear in the text

Protection Mode" "Dashboard" "On-Site" "Minimum Permissible Speed" "Normal Open and Normally Closed" "Missing Analysis" "Rated Discharge Temperature" "Spectrum

Distribution", "Complete Unit Responsibility", "Remote", "Pressure Enclosure", "Drive Mechanism", "(Shutdown) Stabilized Pressure", "Total Indicator Reading";

Change the definitions of the terms "alarm point", "suction volumetric flow rate", "maximum allowable temperature", "minimum allowable temperature" and "shutdown point" to clauses

note;

--- Deleted "the dot (-) at the beginning of the clause that requires the purchaser to make a decision or provide further information";

--- Added a note to 6:1:3:3 to supplement the influence of the coolant inlet temperature on the parts;

--- Added notes to 7:1:6 to illustrate typical corrosive agents and materials in contact with process gases containing chlorides;

--- Added a note to 11:1:5 to explain the reasons for providing heat tracing and insulation measures;

---Added an informative appendix A "Comparison list of structure number changes between this document and ISO 13707:2000";

--- Added informative appendix B "Technical differences between this document and ISO 13707:2000 and their reasons";

--- Added Appendix C (informative) detection procedures and calculation methods for the radial runout of the piston rod;

--- Added appendix G (informative) system exemplary schematic diagram, three connection schemes of piston rod and crosshead, bolt tightening diagram and connection

Layout of cylinder packing;

---Changed Appendix I (informative) typical inflated gas deflation and liquid discharge schematic diagram, to separate gas and liquid to avoid liquid filling and deflation

system;

--- Deleted Appendix M (informative) pulsation and vibration control research;

--- Changed the wrong formula in Appendix O (informative);

---Changed the wrong parameter code and coefficient in the formula in Appendix P (informative);

--- Added Appendix Q (informative) "Workflow Diagram of Pulse Design Method";

--- Added Appendix R (informative) "Criteria for Exciting Force of Piping and Pulsation Suppression Device";

---Change the unit of measurement to the national legal unit of measurement:

Please note that some contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents:

1 Scope

This document specifies the requirements for reciprocating compressors (hereinafter referred to as compressors) and their drives for the petroleum, chemical and natural gas industries:

This document applies to medium and low speed compressors and related lubrication systems, controls, instruments, intercoolers, aftercoolers, and pulsation suppression devices

and other auxiliary equipment:

This document does not apply to compressors driven by integral gas engines, single-acting piston compressors with barrel (automotive) pistons and crossheads

Power or instrument air compressors with air compressor and exhaust pressure not exceeding 0:9MPa:

Note: This document is negotiated for use in other facilities or other industries:

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references

For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to

this document:

GB/T 150 (all parts) pressure vessels

GB/T 151 heat exchanger

GB/T 193 Common thread diameter and pitch series (GB/T 193-2003, ISO 261:1998, MOD)

GB/T 196 Common thread basic dimensions (GB/T 196-2003, ISO 724:1993, MOD)

GB/T 197 Common thread tolerances (GB/T 197-2018, ISO 965-1:2013, MOD)

GB/T 755 Rating and performance of rotating electrical machines (GB/T 755-2019, IEC 60034-1:2017, IDT)

GB/T 3098:1 Mechanical properties of fasteners Bolts, screws and studs (GB/T 3098:1-2010, ISO 898-1:2009,

MOD)

GB/T 3098:2 Mechanical properties of fastener nuts (GB/T 3098:2-2015, ISO 898-2:2012, MOD)

GB/T 3836 (all parts) Explosive atmospheres [IEC 60079 (all parts)]

Note: The degree of consistency between each part of GB/T 3836 (all parts) and IEC 60079 (all parts) is shown in Table B:2:

GB/T 3853 Acceptance Test of Positive Displacement Compressors (GB/T 3853-2017, ISO 1217:2009, MOD)

GB/T 4208 Enclosure protection level (IP code) (GB/T 4208-2017, IEC 60529:2013, IDT)

GB/T 5677 Radiographic inspection of castings (GB/T 5677-2018, ISO 4993:2015, MOD)

GB/T 6391 Rolling bearing rated dynamic load and rated life (GB/T 6391-2010, ISO 281:2007, IDT)

GB/T 7306:1~7306:2 55° sealing pipe thread (GB/T 7306:1~7306:2-2000, eqvISO 7-1:1994)

GB/T 8163 seamless steel pipe for conveying fluid

GB/T 8923:1 Visual assessment of surface cleanliness of steel surface preparation before coating - Part 1: Uncoated steel

Rust grade and treatment grade of the surface and the steel surface after the original coating has been completely removed (GB/T 8923:1-2011, ISO 8501-1:

2007, IDT)

GB/T 9144 Ordinary thread optimization series (GB/T 9144-2003, ISO 262:1998, MOD)

GB/T 9443 Penetration testing of steel and iron castings (GB/T 9443-2019, ISO 4987:2010, MOD)

GB/T 9948 Seamless Steel Tubes for Petroleum Cracking