1. Scope
This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, storage and installation for the devices of preheater and precalciner systems (including the feed chamber, cyclone, ventilating duct, precalciner, tremie pipe, expansion joint and air-lock valve).
This standard is applicable to the devices of preheater and precalciner systems (hereinafter referred to as "preheater and precalciner"); it is also applicable to other preheaters.
2. Normative References
The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding amending errors in the text), or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest edition of the normative document is applicable. For undated references, the latest edition of the normative document applies.
GB/T 700-1998 Carbon Structural Steels
GB/T 1184 Geometrical Tolerances for Features without Individual Tolerance Indications
GB/T 1804-2000 General Tolerances - Tolerances for Linear and Angular Dimensions without Individual Tolerance Indications
GB 3274 Hot-rolled Plates and Strips of Carbon Structural Steels and High Strength Low Alloy Structural Steels
GB 3280 Cold Rolled Stainless Steel Sheets and Plates
GB 3323 Methods for Radiographic Inspection and Classification of Radiographs for Fusion Welded Butt Joints in Steel
GB/T 4237 Hot Rolled Stainless Steel Sheets and Plates
GB/T 4238 Heat-resisting Steel Sheets and Plates
GB/T 8492-1987 Heat Resistant Steel Castings
GB 11345 Method for Manual Ultrasonic Testing and Classification of Testing Results for Ferritic Steel Welds
GB/T 13306 Plates
JC/T 402 Technical Condition of Paint Coating and Antirust for Cement Machinery
JC/T 406 Packing Technical Conditions for Cement Machinery
JC/T 532 The Universal Technique Specification of Steel Weldment for Building Materials Machine
3. Technical Requirements
3.1 Basic requirements
3.1.1 The preheater and precalciner shall meet the requirements of this standard and shall be manufactured, installed and used according to the drawing and technical documents approved through the specified procedures. If the technical requirements are not specified in this standard, drawing and technical documents, the requirements of building materials industry and electromechanical industry shall be met.
Foreword I
1. Scope
2. Normative References
3. Technical Requirements
4. Test Methods
5. Inspection Rules
6. Marking, Packaging, Transportation and Storage
