1 Scope
1.1 This standard specifies construction methods and quality requirements for the heat insulation work. It is applicable to construction of external heat insulation work for the equipment and piping constructed in the petrochemical engineering; the construction of heat insulation work for production device service may refer to this standard for implementation.
1.2 This standard is not applicable to construction of heat insulation work for long-distance buried piping in petrochemical industry.
2 Normative References
The provisions in the following documents, through reference in this standard, constitute the provisions of this standard. For dated references, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, all parties to coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents applies. For undated references, the latest edition applies.
Foreword I
1 Scope
2 Normative References
3 General
4 Materials
4.1 General Requirements
4.2 Acceptance and Preservation
5 Construction Preparation
5.1 Technical Construction Preparation
5.2 Construction Site Preparation
6 Installation of Support Member and Fastener for Heat Insulation
6.1 General Requirements
6.2 Installation of Fasteners for Heat Insulation
6.3 Installation of Support Member for Heat Insulation
7 Construction of Heat Insulation Layer
7.1 General Requirements
7.2 Construction by Filling Method
7.3 Construction by Bundling, Patching Masonry and Winding Methods
7.4 Construction by Bonding Method
7.5 Construction by Pouring Method
7.6 Construction by Spray Method
7.7 Construction by Smear Method
8 Construction of Moisture-proof Layer
8.1 General Requirements
8.2 Cold Method
8.3 Hot Method
8.4 Winding Method
9 Construction of the Protective Layer
9.1 General Requirements
9.2 Metal Protective Layer
9.3 Prefabrication Installation for Metal Protective Layer of the Equipment
9.4 Prefabricated Installation of Metal Protective Layer on the Piping
9.5 Protective Layer of Accessories (such as Flange)
9.6 Felt, Foil and Cloth Protective Layers
9.7 Plaster Protective Layer
10 Construction of Removable Heat Insulation Structure
11 Work Acceptance
11.1 Quality Inspection
11.2 Completion Document
Appendix A (Informative) Performance Index of Common Heat Insulation Materials and Products
Appendix B (Informative) Mix Ratio of Plaster Protective Layer
Wording Explanation
SH/T 3522-2003, SH 3522-2003, SHT 3522-2003, SH/T3522-2003, SH/T 3522, SH/T3522, SH3522-2003, SH 3522, SH3522, SHT3522-2003, SHT 3522, SHT3522
Introduction of SH/T 3522-2003
1 Scope
1.1 This standard specifies construction methods and quality requirements for the heat insulation work. It is applicable to construction of external heat insulation work for the equipment and piping constructed in the petrochemical engineering; the construction of heat insulation work for production device service may refer to this standard for implementation.
1.2 This standard is not applicable to construction of heat insulation work for long-distance buried piping in petrochemical industry.
2 Normative References
The provisions in the following documents, through reference in this standard, constitute the provisions of this standard. For dated references, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, all parties to coming to an agreement according to this standard are encouraged to study whether the latest edition of these documents applies. For undated references, the latest edition applies.
Contents of SH/T 3522-2003
Foreword I
1 Scope
2 Normative References
3 General
4 Materials
4.1 General Requirements
4.2 Acceptance and Preservation
5 Construction Preparation
5.1 Technical Construction Preparation
5.2 Construction Site Preparation
6 Installation of Support Member and Fastener for Heat Insulation
6.1 General Requirements
6.2 Installation of Fasteners for Heat Insulation
6.3 Installation of Support Member for Heat Insulation
7 Construction of Heat Insulation Layer
7.1 General Requirements
7.2 Construction by Filling Method
7.3 Construction by Bundling, Patching Masonry and Winding Methods
7.4 Construction by Bonding Method
7.5 Construction by Pouring Method
7.6 Construction by Spray Method
7.7 Construction by Smear Method
8 Construction of Moisture-proof Layer
8.1 General Requirements
8.2 Cold Method
8.3 Hot Method
8.4 Winding Method
9 Construction of the Protective Layer
9.1 General Requirements
9.2 Metal Protective Layer
9.3 Prefabrication Installation for Metal Protective Layer of the Equipment
9.4 Prefabricated Installation of Metal Protective Layer on the Piping
9.5 Protective Layer of Accessories (such as Flange)
9.6 Felt, Foil and Cloth Protective Layers
9.7 Plaster Protective Layer
10 Construction of Removable Heat Insulation Structure
11 Work Acceptance
11.1 Quality Inspection
11.2 Completion Document
Appendix A (Informative) Performance Index of Common Heat Insulation Materials and Products
Appendix B (Informative) Mix Ratio of Plaster Protective Layer
Wording Explanation
