HG/T 20554-1993 Basic design regulations for piston compressors HG/T20554-1993 standard download decompression password: www.bzxz.net

Industry Standard of the People's Republic of China
HG 20554-93
Design Provisions for Piston Compressors
1994 04 12
1994 -10-- 01
Ministry of Chemical Industry of the People's Republic of China
Industry Standard of the People's Republic of China
Design Provisions for Piston Compressors
HG 20554-93
Editor: The Fourth Design Institute of the Ministry of Chemical Industry
Approving Department: The Ministry of Chemical Industry
Effective Date: October 1, 1994 Engineering Construction Standard Editing Center of the Ministry of Chemical Industry
1994 Beijing
Document of the Ministry of Chemical Industry
Hua Jian Fa (1994) No. 250
Notice on the Issuance of Six Chemical Industry Standards Including "Regulations on Basic Design of Piston Compressors"
Chemical Industry Departments (Bureaus, Companies) of Provinces, Autonomous Regions, Municipalities Directly under the Central Government, and Cities with Independent State Planning, and All Relevant Design Units:
The six architectural design standards including "Regulations on Basic Design of Piston Compressors" formulated by the Ministry's Architectural Design Technology Center and the relevant design institutes have been reviewed and approved as chemical industry standards (see the attached table for details of the numbers). They will be implemented from October 1, 1994. The Ministry's Architectural Design Technology Center is responsible for the management of these six standards; the Ministry's Engineering Construction Standard Editing Center is responsible for publishing and distributing them. Ministry of Chemical Industry
April 12, 1994
Appendix: Numbers of six chemical industry standards for architectural design Standard Name
Main Editor
Design Provisions for Piston Compressor Foundation Design "The Fourth Design Institute of the Ministry of Chemical Industry"
Design Provisions for Centrifugal Compressor Foundation Design
General Drawing of Reinforced Concrete Truss Pipe Rack
General Drawing of Steel Decking
·Design Provisions for Control Rooms in Chemical Plants
Design Calculation Book Format Provisions for Masonry Structure Design ·
Design Institute of Jilin Chemical Company
Shanghai Pharmaceutical Design Institute
China Global Chemical Engineering Corporation
Sinopec Lanzhou Petrochemical Industry
Design Institute
China Huanqiu Chemical Engineering Corporation
Standard No.
HG20554-93
HG20555-93
HG21552-93
HG21553-93
HG20556-93
HG21555-93
Symbols and Terminology·
2.1 Symbols
2.2 Terminology
Basic Provisions·
Foundation Dynamic Characteristics Parameters·
Dynamic Calculation
Joint Foundation,
Appendix A
Appendix B
Appendix C||tt| |Appendix E
Appendix F
Appendix G
Appendix H
Calculation of the disturbance force (moment) of piston compressors and the common formulas for the disturbance force (moment) of compressors
Part of the "Design data for piston compressor foundations that require the machinery manufacturer to provide" Numerical basis set of the moment of inertia formula for piston compressors
Requirements for foundation engineering investigation and test of foundation dynamic characteristic parameters Construction requirements for piston compressor foundations
(1)
(2)
(5)
Recommended computer software for the design of piston compressor foundations (84) Examples of the design of piston compressor foundations
Clause explanation
·General
1. 0.1 These regulations apply to the design of block or wall foundations of reciprocating piston compressors (hereinafter referred to as compressor foundations. The design of other similar machine foundations can also refer to these regulations.
1.0.2 The design principle of the compressor foundation is to adopt an economical and reasonable foundation plan based on the characteristics of the machine and the foundation, determine the foundation size and structure, control the foundation's eccentricity and vibration within the allowable range, and ensure normal production. 1.0.3 When designing the compressor foundation, the following specifications should also be met: "Code for Design of Concrete Structures" (GBJ10-89) "Code for Design of Building Foundations" (GBJ7-89) For collapsible loess, perennial frozen soil, expansive soil, and underground goaf, the provisions of the current relevant national standards and specifications should be met.
2 Symbols and Terminology
2.1 Symbols
Main symbols for action and action response
A+1>A+
Ax(Az)
Ax4(Agp)
Vertical disturbance force of the machine
Horizontal disturbance force of the machine
Rotational torque of the machine (the sum of the vertical disturbance forces generated by the movement of the crankshaft-connecting rod-piston mechanism of each column of the machine on the X-axis of the machine coordinate system)
Torsional torque of the machine (torque of the machine The sum of the moments of the horizontal disturbance forces on the B axis of the machine coordinate system generated by the movement of each crankshaft-connecting rod-piston mechanism)
Circular frequency of the machine disturbance force
Working speed of the machine
Design value of the average static pressure on the bottom surface of the foundation
Amplitude of the Z-direction linear displacement of the control point on the top surface of the foundation due to vertical vibration
Amplitude of the angular displacement of the first and second vibration modes of the foundation due to the one-way horizontal rotation coupling vibration Amplitude of the angular displacement of the foundation torsional vibration (around the axis of the base group coordinate system)
The amplitude of the X-direction (Z-direction) linear displacement of the foundation top surface control point due to the 2-axis horizontal rotation coupling vibration The amplitude of the horizontal X-direction (Y-direction) linear displacement of the foundation top surface control point due to torsional vibration
Symbol unit
Aye(Aze)
Vrma, Vy.rms
The amplitude of the Y-direction (Z-direction) vibration linear displacement of the foundation top surface control point due to the 6-axis horizontal rotation coupling vibration Under the combined action of the first harmonic and second harmonic disturbance forces and disturbance torque of the machine, the foundation top surface control point The peak value of vibration linear displacement along the W, Y, and Y directions
The peak value of vibration velocity of the control point on the top surface of the foundation along the V, V2 directions under the joint action of the first and second harmonic disturbance forces and disturbance moments of the machineThe root mean square value of the total vibration velocity of the control point on the top surface of the foundation along the Y, Y, and Y directions under the joint action of the first and second harmonic disturbance forces and disturbance moments of the machine
2.1.2 Dynamic characteristic indicators
tonx(calhy）
Wn+(ne)
a1Cn+2
(wai Wn2）
(Se1a2)
So, Srk
Basis group vertical vibration natural circular frequency
Basis group horizontal vibration natural circular frequency along X direction (Y direction)Basis group rotational vibration natural circular frequency about axis (z axis)Basis group torsional vibration natural circular frequency
Basis group horizontal rotational coupled vibration first and second vibration mode natural circular frequency along X direction (Y-) direction
Natural foundation compressive stiffness coefficient
Natural foundation bending stiffness coefficient
Natural foundation shear stiffness Coefficient
Torsional stiffness coefficient of natural foundation
Shear stiffness coefficient of soil layers around pile
Compressive stiffness coefficient of soil at pile tip
Damping ratio of natural foundation and pile foundation during vertical vibration Damping ratio of the first and second vibration modes of natural foundation during horizontal rotation vibration
Damping ratio of natural foundation or pile foundation during torsional vibration TAT
Symbol unit
kN/maybzxZ.net
Calculation index
m(m+my)
mp(mpx mpy)
JaadeJs
Compressive stiffness of natural foundation
Flexural stiffness of natural foundation
Shear stiffness of natural foundation
Torsional stiffness of natural foundation
Compressive stiffness of pile foundation
Flexural stiffness of pile foundation
Shear stiffness of pile foundation
Torsional stiffness of pile foundation
Predicted value of foundation bearing capacity
Design value of foundation bearing capacity
Allowable value of linear displacement of foundation vibration
Allowable value of root mean square value of foundation vibration velocity
Allowable value of root mean square value of foundation vibration velocity When the natural foundation group vibrates vertically (horizontally and slewingly coupled), Vibration mass
Vibration mass of pile foundation group during vertical (horizontal rotation coupling) vibration
Moment of inertia of natural foundation group about axis I, y, and Y of base group coordinate system
Moment of inertia of pile foundation group about axis & of base group coordinate system Tb
Symbol unit
Geometric parameters
Bottom area of ​​foundation
Cross-sectional area of ​​pile
Surface area of ​​pile in each main layer
Distance from center of gravity of base group to top surface of foundation
Distance from center of gravity of base group to bottom surface of foundation
Distance from center of gravity of base group to horizontal plane where machine crankshaft is located Ix, I
tx(t,)
Moment of inertia of the bottom of the foundation about the axis passing through its centroidPolar moment of inertia of the bottom of the foundation about the axis passing through its centroidThe distance of the top control point of the foundation from the axis of the basis group coordinate systemComponent on the axis (y axis)
Calculation coefficient and other symbols
Foundation depth ratio
Increase coefficient of foundation depth on foundation compressive strengthSymbol unit
Increase coefficient of foundation depth on foundation shear, bending and torsional stiffnessIncrease coefficient of foundation depth on vertical damping ratioIncrease coefficient of foundation depth on horizontal rotation and torsional damping ratioFoundation mass ratio
2.2 Terms
?Reciprocating piston compressor (Piston type reciprocating compressor) is a machine that increases gas pressure and delivers gas by periodically changing the cylinder working volume through the reciprocating linear motion of the piston or plunger. It is suitable for high pressure, 5
small and medium flow occasions.
·Row
Row is the symbol of the centerline of the compressor cylinder. The number of rows is the number of cylinder centerlines. Horizontal compressor: A compressor whose cylinder centerlines are all on the same horizontal plane. * Vertical compressor: A compressor whose cylinder centerlines are perpendicular to the horizontal plane. ·Angle compressor: A compressor whose cylinder centerlines intersect at a certain angle, usually in I-type, W-type and V-type.
·Symmetrical-balanced compressor: The cylinders are distributed on the horizontal planes on both sides of the crankshaft, and the angle between each pair of cranks is 180°. When the crank rotates, the pistons on both sides of the opposite sides expand and contract symmetrically. This type of compressor is called symmetrical balanced.
?Low-pressure compressor: A compressor with a final exhaust pressure of 0.2~1.0MPa. ·Medium-pressure compressor: A compressor with a final exhaust pressure of 1.0~10MPa. :High-pressure compressor: A compressor with a final exhaust pressure of 10~100MPa. ·Super high-pressure compressor: A compressor with a final exhaust pressure greater than 100MPa. .Circular frequency: The number of vibrations per 2 seconds.
: Natural frequency (Natural frequency) frequency): The frequency of the free vibration of the system is called the natural frequency. It is determined by the mass and stiffness of the system itself. Systems with several degrees of freedom generally have several natural frequencies, arranged in order from small to large, with the smallest being the th natural frequency.
·Amplitude (Amplitude, also known as amplitude) The maximum displacement of the vibration system from its equilibrium position. *Peak Value
The maximum value of a certain quantity within a given interval. The peak value of the vibration quantity generally takes the maximum deviation between the quantity and its average value. The positive peak value is the maximum positive deviation, and the negative peak value is the maximum negative deviation.
·Root mean square value: that is, the effective value (Root-mean-square value) The root mean square value of the vibration quantity y(t) in the interval from ti to tz is Yr
ftaye(t)dt
Mode of vibration
The deformation pattern of the structure when it vibrates at a certain natural frequency. ·Damping ratio (Damping ratio)
In a linear viscous damping system, the ratio of the actual damping coefficient to the critical damping coefficient. ·Compressive rigidity coefficient C (Coefficient of compressiverigidity) The compressive stress required to cause a uniform unit depression on the foundation. ?Flexural rigidity coefficient C+Ce (Coefficient of flexural rigidity) The compressive stress required to produce a unit depression on the foundation when a bending moment is applied to the bottom surface of the foundation.
·Shear rigidity coefficient CxC, (Coefficient of shear rigidity) The shear stress required to produce a unit slip on the foundation. ·Torsional rigidity coefficient C, (Coefficient of torsional rigidity) The shear stress required to produce a unit slip when the foundation rotates on the foundation. ·Vertical vibration (Vertical vibration) The translational vibration of the basis group along the vertical axis.
?Torsional vibration (Torsional vibration) The rotational vibration of the basis group around the vertical axis.
·Horizontal rotational coupling vibration (Vibralion of.horizontal ratotional cou-7Circular frequency: The number of vibrations between 2 seconds.
: Natural frequency: The frequency of the free vibration of the system is called the natural frequency. It is determined by the mass and stiffness of the system itself. Systems with several degrees of freedom generally have several natural frequencies, arranged in order from small to large, with the smallest being the natural frequency.
·Amplitude (Amplitude, also known as amplitude) The maximum displacement of the vibration system from its equilibrium position. *Peak Value
The maximum value of a certain quantity in a given interval. The peak value of the vibration quantity is generally the maximum deviation between the quantity and its average value. The positive peak value is the maximum positive deviation, and the negative peak value is the maximum negative deviation.
·Root mean square value: that is, the root mean square value of the vibration quantity y(t) in the interval from ti to tz is Yr
ftaye(t)dt
Mode of vibration
The deformation pattern of the structure when it vibrates at a certain natural frequency. · Damping ratio
In a linear viscous damping system, the ratio of the actual damping coefficient to the critical damping coefficient. · Coefficient of compressive rigidity C (Coefficient of compressive rigidity) The compressive stress required to cause a uniform unit depression on the foundation. ? Coefficient of flexural rigidity C+Ce (Coefficient of flexural rigidity) The compressive stress required to produce a unit depression on the foundation when a bending moment is applied to the bottom surface of the foundation.
· Coefficient of shear rigidity CxC, (Coefficient of shear rigidity) The shear stress required to produce a unit slip on the foundation. · Coefficient of torsional rigidity C, (Coefficient of torsional rigidity) The shear stress required to produce a unit slip when the foundation rotates on the foundation. · Vertical vibration (Vertical vibration) The translational vibration of the base group along the vertical axis.
? Torsional vibration (Torsional vibration) The rotational vibration of the base group around the vertical axis.
·Horizontal ratotional coupling vibration (Vibralion of.horizontal ratotional cou-7Circular frequency: The number of vibrations between 2 seconds.
: Natural frequency: The frequency of the free vibration of the system is called the natural frequency. It is determined by the mass and stiffness of the system itself. Systems with several degrees of freedom generally have several natural frequencies, arranged in order from small to large, with the smallest being the natural frequency.
·Amplitude (Amplitude, also known as amplitude) The maximum displacement of the vibration system from its equilibrium position. *Peak Value
The maximum value of a certain quantity in a given interval. The peak value of the vibration quantity is generally the maximum deviation between the quantity and its average value. The positive peak value is the maximum positive deviation, and the negative peak value is the maximum negative deviation.
·Root mean square value: that is, the root mean square value of the vibration quantity y(t) in the interval from ti to tz is Yr
ftaye(t)dt
Mode of vibration
The deformation pattern of the structure when it vibrates at a certain natural frequency. · Damping ratio
In a linear viscous damping system, the ratio of the actual damping coefficient to the critical damping coefficient. · Coefficient of compressive rigidity C (Coefficient of compressive rigidity) The compressive stress required to cause a uniform unit depression on the foundation. ? Coefficient of flexural rigidity C+Ce (Coefficient of flexural rigidity) The compressive stress required to produce a unit depression on the foundation when a bending moment is applied to the bottom surface of the foundation.
· Coefficient of shear rigidity CxC, (Coefficient of shear rigidity) The shear stress required to produce a unit slip on the foundation. · Coefficient of torsional rigidity C, (Coefficient of torsional rigidity) The shear stress required to produce a unit slip when the foundation rotates on the foundation. · Vertical vibration (Vertical vibration) The translational vibration of the base group along the vertical axis.
? Torsional vibration (Torsional vibration) The rotational vibration of the base group around the vertical axis.
·Horizontal ratotional coupling vibration (Vibralion of.horizontal ratotional cou-7
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