This standard is applicable to the quality inspection and assessment of various industrial furnace masonry projects. GB 50309-1992 Industrial furnace masonry project quality inspection and assessment standard GB50309-1992 Standard download decompression password: www.bzxz.net

Engineering Construction Standard Full-text Information System
National Standard of the People's Republic of China
50309-92
Standard for checking and evaluating the qualityof brickwork in industrial furnacesStandard for checking and evaluating the qualityof brickwork in industrial furnacesConstruction Standard
1992-01-07
1992-07-01
State Bureau of Technical Supervision
Ministry of Construction of the People's Republic of China
Engineering Construction Standard Full-text Information System
Jointly Issued
Engineering Construction Standard Full-text Information System
National Standard of the People's Republic of China
Standard for checking and evaluating the qualityof brickwork in industrial furnaces
50309-92Www.bzxZ.net
Editor Department: Ministry of Construction of the People's Republic of China Ministry of Metallurgical Industry Approval department: Ministry of Construction of the People's Republic of China Implementation date: July 1, 1992
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Notice of the relevant authorities on the release of the national standard "Industrial Furnace Masonry Engineering Quality Inspection and Assessment Standard"
Construction Standard [1992] No. 31
According to the requirements of the State Planning Commission's Document No. {1987] 2390, the "Industrial Furnace Masonry Engineering Quality Inspection and Assessment Standard" revised by the Ministry of Metallurgical Industry and relevant departments has been reviewed by relevant departments. The "Industrial Furnace Masonry Engineering Quality Inspection and Assessment Standard" GB5030992 is now approved as a national standard and will be implemented from July 1, 1992. The original "Industrial Furnace Masonry Engineering Quality Inspection and Assessment Standard" TJ309-77 is abolished at the same time. This standard is managed by the Ministry of Metallurgical Industry, interpreted by the Wuhan Metallurgical Construction Research Institute of the Ministry of Metallurgical Industry, and organized for publication and distribution by the Standard and Quota Research Institute of the Ministry of Construction. Ministry of Construction
January 7, 1992
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Revision Notes
This standard is edited by our ministry in accordance with the requirements of the State Planning Commission's Document No. [1987] 2390. Specifically, the Wuhan Metallurgical Construction Research Institute, together with the Ministry of Chemical Industry, China Nonferrous Metals Industry Corporation and relevant units under our ministry, established a revision group to revise the original "Construction Installation Engineering Quality Inspection and Assessment Standard Industrial Kiln Masonry Engineering" TJ309-77.
During the revision process, the revision group conducted extensive investigations and studies, carefully summarized the experience of industrial furnace masonry engineering quality inspection and assessment over the past 10 years, and widely solicited opinions from relevant units across the country. After repeated revisions, it was finally reviewed and finalized by our ministry in conjunction with relevant departments.
This standard is divided into 16 chapters, of which the first, second, third and fourth chapters are general parts, including the common provisions for the quality inspection and evaluation of masonry works of various industrial furnaces: the remaining chapters are special requirements for the quality inspection and evaluation of masonry works of the listed professional furnaces. The masonry works of general industrial furnaces in various industrial sectors that are not included in the special chapters of this standard can be inspected and evaluated according to the general part of this standard.
In the process of implementing this standard, it is hoped that all units will seriously summarize their experience. If there are any areas that need to be revised or supplemented, please send your opinions and relevant materials to the "Industrial Furnace Masonry Works Quality Inspection and Evaluation Standard" Management Group of Wuhan Metallurgical Construction Research Institute of our department (No. 938, Heping Avenue, Qingshan District, Wuhan City, Postal Code: 430081) for reference in future revisions. Ministry of Metallurgical Industry
April 1991
Engineering Construction Standards Full Text Information System
Engineering Construction Standards Full Text Information System
Chapter 1 General
Chapter 2 Division, Grade, Procedure and Organization of Quality Inspection and Assessment Section 1
Section 2
Section 3
Chapter 3
Division of Quality Inspection and Assessment ·
Grades of Quality Inspection and Assessment ·
Procedure and Organization of Quality Inspection and Assessment
Quality Inspection of Industrial Furnace Masonry Engineering Common provisions for inspection and assessment (5)
Section 1
Section 2
Section 3
Chapter 4
General provisions
Monomorphous refractory materials
Section 1
Section 2
Section 3
Section 4
General provisions·
Refractory castables
Refractory plastic materials
Refractory ramming materials
Section 5
Refractory spray coatings
Blast furnaces and hot blast furnaces||tt| |Chapter 5
Section 1
Section 2
Section 3
Section 4
Section 5
Section 6
Blast furnace bosh and parts above it
Hot blast furnace bottom and furnace wall
Hot blast furnace brick grid
Hot blast furnace top
Coke oven and coke quenching tank
Section 2
Section 3
Section 4
Section 5
Foundation platform masonry
Engineering Construction Standards Full Text Information System
（29）
Engineering Construction Standards Full Text Information System
Section 6 Coke Quenching Tanks
Chapter 7 Steelmaking Converters, Electric Furnaces, Mixed Iron Furnaces and Mixed Iron Cars Section 1 Steelmaking Converters
Section 2 Electric Furnaces
Section 3
Section 4
Soaking Furnaces, Heating Furnaces and Heat Treatment Furnaces
Chapter 8
000000001
（39）
（43)
Reverberatory Furnaces, Electric Furnaces, Blast furnace, flash furnace and horizontal converter Chapter 9
Section 1
Section 2
Section 3
Section 4
Section 5
Thermoelectric furnace
Horizontal converter
Chapter 10 Aluminum reduction cell
Chapter 11
Section 1
Section 2
Chapter 12
Chapter 13
Section 1
Section 2
Section 3
Chapter 14
Section 1
Section 2
Section 3
Chapter 15
Chapter 16
Appendix 1
Appendix 2
Carbon calcining furnace and roasting furnace
Carbon calcining furnace·
Carbon roasting furnace
Glass melting furnace
Downdraft kiln and rotary kiln
Tunnel kiln,
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Converter and cracking furnace
Stage converter
Stage converter
Continuous Vertical furnace
Industrial boiler
Sub-project quality inspection and evaluation form
Sub-project quality inspection and evaluation form
Quality assurance data verification form
Appendix 3
Engineering construction standard full text information system
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(49)
(64)
(86)
Engineering construction standard full text information system
Unit project visual quality evaluation form
Appendix 4
Appendix 5
Appendix VI
Unit Engineering Quality Comprehensive Assessment Table
Inspection Equipment Table.
Terms Used in This Standard
Appendix VII
Additional Notes
Engineering Construction Standard Full Text Information System
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Engineering Construction Standard Full Text Information System
Chapter I General
Article 1.0.1 This standard is formulated to unify the quality inspection and assessment methods for industrial furnace masonry projects, promote enterprises to strengthen management, and ensure project quality. Article 1.0.2 This standard applies to the quality inspection and assessment of various industrial furnace masonry projects.
Article 1.0.3
For the guaranteed items in this standard, when the number of inspections is not specified, all should be inspected.
Article 1.0.4
The main indicators and requirements of this standard are compiled in accordance with the "Industrial Furnace Masonry 211-87 and the relevant technical standards issued by the state for construction and acceptance of engineering" GBJ
.
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Chapter 2 Division,
Grade, Procedure and Organization of Quality Inspection and Evaluation
Section 1 Division of Quality Inspection and Evaluation
Article 2.1.1 The quality of industrial furnace masonry engineering should be inspected and evaluated according to the division of sub-items, divisions and unit projects.
Article 2.1.2. The division of sub-items, sub-sections and unit projects of industrial furnace masonry projects shall comply with the following provisions:
Sub-items shall be divided into sub-items according to the structure or section of the industrial furnace. When the masonry volume of the industrial furnace is less than 100m3, one (set) furnace can be regarded as a sub-item, or two or more parts or sections can be combined into one sub-item.
2. Sub-section projects shall be divided into sub-items according to the seat (set) of the industrial furnace. When there is only one sub-item in a sub-item, the sub-item is a sub-item. 3. Unit projects shall be divided according to the industrial furnace masonry project of an independent production system. When there is only one sub-item in a unit project, the sub-item is a unit project.
Note: In an independent production system, when the masonry volume of the industrial furnace is less than 500m2, the industrial furnace masonry project can be regarded as a sub-item together with other building installation projects as a unit project. Section 2 Grades of Quality Inspection and Assessment
Article 2.2.1 The quality of the sub-items, sub-divisions and unit projects of this standard shall be divided into two grades: "qualified" and "excellent". Article 2.2.2 The quality grade of sub-projects shall comply with the following provisions: I. Qualified:
1. Guaranteed projects must comply with the provisions of this standard; 2. Each spot check of the basic project shall comply with the qualified provisions of the standard; Engineering Construction Standard Full-text Information System
Engineering Construction Standard Full-text Information System
3. Allowable Error Among the points of the spot check of the project, 80% or more of the measured values ​​are within the allowable error range of this standard (the measured values ​​of the key items must all be within the allowable error range of this standard), and the remaining measured values ​​should also basically meet the allowable error provisions of this standard.
II. Excellent:
1. Guaranteed projects must comply with the provisions of this standard; 2. Each spot check of basic items shall meet the qualified requirements of this standard, and 60% or more of them meet the excellent requirements, which is excellent, and the number of excellent items shall account for 60% or more of the inspection items;
3. Among the points of the allowable error items, 90% or more of the measured values ​​are within the allowable error range of this standard (the measured values ​​of key items must all be within the allowable error range of this standard), and the remaining actual values ​​should also basically meet the allowable error requirements of this standard.
Article 2.2.3 The quality level of the sub-project shall meet the following requirements: 1. Qualified: The quality of all sub-projects is qualified; 2. Excellent: The quality of all sub-projects is qualified, and 60% or more of them are excellent (must include the designated main sub-projects). Article 2.2.4 The quality level of unit projects shall comply with the following provisions: 1. Qualified:
1. The quality of all sub-projects included is qualified; 2. The quality assurance documents are basically complete;
3. The score rate of visual quality assessment reaches 70% or above. 2. Excellent:
1. The quality of all sub-projects included is qualified, of which 60% or above are excellent (must include designated major sub-projects); 2. The quality assurance documents are basically complete;
3. The score rate of visual quality assessment reaches 85% or above. Article 2.2.5 When the quality of a sub-project does not meet the requirements of this standard, it must be handled in a timely manner and its quality level must be determined in accordance with the following provisions: 1. The quality level can be re-evaluated if it is reworked; 2. If it fails to meet the original design requirements after inspection and appraisal, but is confirmed by the design unit to meet the production safety requirements, although it has permanent defects, its quality can be evaluated as qualified, but its sub-project should not be evaluated as excellent. Section 3 Quality Inspection and Evaluation Procedures and Organization Article 2.3.1 The quality of a sub-project should be evaluated by the project leader and relevant personnel on the basis of the team's self-inspection, and the quality inspector shall verify it. The sub-project quality inspection and evaluation form shall adopt the format of Appendix 1. Article 2.3.2 The quality of a sub-project shall be organized and evaluated by a technical leader equivalent to the first level of the construction team, and the enterprise's technology and quality department shall organize and verify it. The sub-project quality inspection and evaluation form shall adopt the format of Appendix 2. Article 2.3.3 The quality of unit projects shall be inspected and evaluated by the relevant departments of the enterprise organized by the technical person in charge of the enterprise, and the relevant evaluation materials shall be submitted to the engineering quality supervision department or the competent department for verification.
The quality assurance data verification form shall adopt the format of Appendix 3. The unit project visual quality evaluation form shall adopt the format of Appendix 4. The unit project quality comprehensive evaluation form shall adopt the format of Appendix 5. Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Common Provisions for Quality Inspection and
Evaluation of Industrial Furnace Masonry Engineering
Section 1 General Provisions
Article 3.1.1 This chapter is the common provisions for quality inspection and evaluation of various industrial furnace masonry engineering.
Article 3.1.2 The industrial furnace masonry engineering listed in the special chapters of this standard shall be inspected and evaluated in accordance with the relevant provisions of this chapter and the special requirements of the special chapters. The quality inspection and assessment of general industrial furnace masonry projects not included in the special chapters of this standard may be carried out in accordance with the provisions of this chapter. Section 2 Floor and Walls
(I) Guarantee Items
Article 3.2.1 The types and brands of refractory materials and products must comply with the provisions and design requirements of the current national standards.
Inspection method: Observation inspection, inspection of quality certificates or test reports. Article 3.2.2 The types, brands and mix ratios of mud must comply with the design requirements. The consistency of mud and the masonry categories to which it is applicable must comply with the "Industrial Furnace Masonry Project Construction and Acceptance Code" GBJ211-87. Regulations Inspection Method: Observation inspection, inspection of quality certificates or test reports, inspection of mud trial mix records.
Article 3.2.3 The mud saturation of refractory masonry brick joints must be greater than 90%; for floors and walls with stricter requirements for air tightness and erosion by molten metal or slag, the mud saturation must be greater than 95%.
The sand (mud) mortar fullness of the red brick lining brick joints must be greater than 85%. The mortar fullness of the external red brick masonry brick joints must be greater than 80%. Engineering Construction Standards Full Text Information System1. The quality of all sub-projects is qualified; 2. The quality assurance documents are basically complete; 3. The visual quality assessment score rate reaches 70% or above. 2. Excellent: 1. The quality of all sub-projects is qualified, of which 60% or above are excellent (must include the designated main sub-projects); 2. The quality assurance documents are basically complete; 3. The visual quality assessment score rate reaches 85% or above. Article 2.2.5 When the quality of a sub-project does not meet the requirements of this standard, it must be handled in a timely manner and its quality level must be determined according to the following provisions: 1. The quality level can be re-assessed for rework; 2. If it fails to meet the original design requirements after inspection and appraisal, but is confirmed by the design unit to meet the production safety requirements, although it has permanent defects, its quality can be assessed as qualified, but its sub-project should not be assessed as excellent. Section 3 Quality Inspection and Assessment Procedures and Organization Article 2.3.1 The quality of sub-projects shall be assessed by the project leader and relevant personnel on the basis of the team's self-inspection, and the quality inspector shall verify it. The sub-project quality inspection and assessment form shall adopt the format of Appendix 1. Article 2.3.2 The quality of sub-projects shall be assessed by the technical leader equivalent to the first level of the construction team, and verified by the enterprise's technical and quality departments. The sub-project quality inspection and assessment form shall adopt the format of Appendix 2. Article 2.3.3 The quality of unit projects shall be inspected and assessed by the enterprise's technical leader and relevant departments, and the relevant assessment information shall be submitted to the project quality supervision department or the competent department for verification.
The quality assurance data verification form shall adopt the format of Appendix 3. The unit project visual quality assessment form shall adopt the format of Appendix 4. The unit project quality comprehensive assessment form shall adopt the format of Appendix 5. Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Common Provisions for Quality Inspection and
Third Draft
Assessment of Industrial Furnace Masonry Engineering
Section 1 General Provisions
Article 3.1.1 This chapter contains common provisions for quality inspection and assessment of various industrial furnace masonry engineering.
Article 3.1.2 Industrial furnace masonry engineering included in the special chapters of this standard shall be subject to quality inspection and assessment in accordance with the relevant provisions of this chapter and the special requirements of the special chapters. The quality inspection and assessment of general industrial furnace masonry engineering not included in the special chapters of this standard may be carried out in accordance with the provisions of this chapter. Section 2 Bottom and Wall
(I) Guarantee Items
Article 3.2.1 The varieties and brands of refractory materials and products must comply with the provisions and design requirements of the current national standards.
Inspection method: Observation inspection, inspection of quality certificates or test reports. Article 3.2.2 The type, brand and mix ratio of mud must meet the design requirements. The consistency of the mud and the type of masonry it is applicable to must comply with the "Industrial Furnace Masonry Engineering Construction and Acceptance Code" GBJ211-87. Required inspection methods: observation inspection, inspection of quality certificates or test reports, and inspection of mud trial mix records.
Article 3.2.3 The mud fullness of refractory masonry brick joints must be greater than 90%; for floors and walls with stricter requirements for air tightness and corrosion by molten metal or slag, the mud fullness must be greater than 95%.
The sand (mud) mortar fullness of red brick lining brick joints must be greater than 85%. The mortar fullness of external red brick masonry brick joints must be greater than 80%. Engineering Construction Standards Full-text Information System1. The quality of all sub-projects is qualified; 2. The quality assurance documents are basically complete; 3. The visual quality assessment score rate reaches 70% or above. 2. Excellent: 1. The quality of all sub-projects is qualified, of which 60% or above are excellent (must include the designated main sub-projects); 2. The quality assurance documents are basically complete; 3. The visual quality assessment score rate reaches 85% or above. Article 2.2.5 When the quality of a sub-project does not meet the requirements of this standard, it must be handled in a timely manner and its quality level must be determined according to the following provisions: 1. The quality level can be re-assessed for rework; 2. If it fails to meet the original design requirements after inspection and appraisal, but is confirmed by the design unit to meet the production safety requirements, although it has permanent defects, its quality can be assessed as qualified, but its sub-project should not be assessed as excellent. Section 3 Quality Inspection and Assessment Procedures and Organization Article 2.3.1 The quality of sub-projects shall be assessed by the project leader and relevant personnel on the basis of the team's self-inspection, and the quality inspector shall verify it. The sub-project quality inspection and assessment form shall adopt the format of Appendix 1. Article 2.3.2 The quality of sub-projects shall be assessed by the technical leader equivalent to the first level of the construction team, and verified by the enterprise's technical and quality departments. The sub-project quality inspection and assessment form shall adopt the format of Appendix 2. Article 2.3.3 The quality of unit projects shall be inspected and assessed by the enterprise's technical leader and relevant departments, and the relevant assessment information shall be submitted to the project quality supervision department or the competent department for verification.
The quality assurance data verification form shall adopt the format of Appendix 3. The unit project visual quality assessment form shall adopt the format of Appendix 4. The unit project quality comprehensive assessment form shall adopt the format of Appendix 5. Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Common Provisions for Quality Inspection and
Third Draft
Assessment of Industrial Furnace Masonry Engineering
Section 1 General Provisions
Article 3.1.1 This chapter contains common provisions for quality inspection and assessment of various industrial furnace masonry engineering.
Article 3.1.2 Industrial furnace masonry engineering included in the special chapters of this standard shall be subject to quality inspection and assessment in accordance with the relevant provisions of this chapter and the special requirements of the special chapters. The quality inspection and assessment of general industrial furnace masonry engineering not included in the special chapters of this standard may be carried out in accordance with the provisions of this chapter. Section 2 Bottom and Wall
(I) Guarantee Items
Article 3.2.1 The varieties and brands of refractory materials and products must comply with the provisions and design requirements of the current national standards.
Inspection method: Observation inspection, inspection of quality certificates or test reports. Article 3.2.2 The type, brand and mix ratio of mud must meet the design requirements. The consistency of the mud and the type of masonry it is applicable to must comply with the "Industrial Furnace Masonry Engineering Construction and Acceptance Code" GBJ211-87. Required inspection methods: observation inspection, inspection of quality certificates or test reports, and inspection of mud trial mix records.
Article 3.2.3 The mud fullness of refractory masonry brick joints must be greater than 90%; for floors and walls with stricter requirements for air tightness and corrosion by molten metal or slag, the mud fullness must be greater than 95%.
The sand (mud) mortar fullness of red brick lining brick joints must be greater than 85%. The mortar fullness of external red brick masonry brick joints must be greater than 80%. Engineering Construction Standards Full-text Information System
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