1 Scope
This Specification specifies the design requirements for combustible gas discharge system in petrochemical industry.
This Specification is applicable to the design of the newly-constructed, extended or reconstructed engineering of combustible gas discharge system in petrochemical industry.
2 Normative References
The following referenced documents are indispensable for the application of this specification. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB 150 Steel Pressure Vessels
GB/T 3840 Technical Methods for Making Local Emission Standards of Air Pollutants
GB 50160 Fire Prevention Code of Petrochemical Enterprise Design
3 Terms and Definitions
The following terms and definitions are applicable to this specification.
3.1
Combustible gas discharge system
Contents
Foreword I
1 Scope
2 Normative References
3 Terms and Definitions
4 General Requirement
5 Setting of Site-wide Combustible Gas Discharge System
5.1 Setting Philosophy of Site-wide Combustible Gas Discharge System
5.2 Gases That Can Be Discharged into the Site-wide Combustible Gas Discharge System
5.3 Gases That Shall NOT BE Discharged into the Site-wide Combustible Gas Discharge System
5.4 Setting Philosophy of Pipe Network of Site-wide Combustible Gas Discharge System e
5.5 Setting philosophy of Flares
6 Determination of the Design of Discharge Condition
6.1 Discharge Condition for Combustible Gas of Process Unit
6.2 Definition of System Design Load for Multi-process Units
7 Pipe Network of Site-wide Combustible Gas Discharge System
7.1 Process Design
7.2 Piping Design
8 Drums and Seals
8.1 Drums
8.2 Seals
9 Elevated Flare
9.1 Allowable Thermal Radiation Intensity
9.2 Flare Tip and Flare Stack
9.3 Determination of the Flare Height
9.4 Ignition Facility
9.5 Flashback Prevention Facility
10 Ground Flares
10.1 Design Principles of Ground Flares
10.2 Enclosed Ground Flare
10.3 Multi-burner Staged Flare
11 Flare Gas Recovery
Bibliography
Explanation of Wording in the Specification