- DL/T5210.2-2009电力建设施工质量验收及评价规程第2部分:锅炉机组(英文版)
- 中国电力企业
- 1046字
- 2025-02-14 17:30:42
4.13 Thermal Equipment and Pipe Insulation of the Whole Plant
4.13.1 Fiber felt and board laying of settings of membrane wall,superheater and cold ash hopper.
1 Scope:fiber felt and board laying of settings of membrane wall,superheater and cold ash hopper.
2 Quality criteria and inspection methods are shown in Table 4.13.1.
Table 4.13.1 fiber felt and board laying of settings of membrane wall,superheater and cold ash hopper
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Table 4.13.1(Continued)
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4.13.2 Main insulation wet masonry and outer wall trowel finish surface construction of thermal equipment.
1 Scope:construction of main insulation wet masonry and outer wall trowel finish surface of thermal equipment.
2 Quality criteria and inspection methods are shown in Table 4.13.2.
Table 4.13.2 Construction of main lnsulation wet masonry and outer wall trowel finish surface of thermal equipment
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Table 4.13.2(Continued)
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4.13.3 Erection of main insulation masonry of thermal equipment and outer wall metal hood.
1 Scope:erection of main insulation masonry of thermal equipment and outer wall metal hood.
2 Quality criteria and inspection methods are shown in Table 4.13.3.
Table 4.13.3 Main insulation masonry of thermal equipment and erection of outer wall metal hood
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Table 4.13.3(Continued)
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4.13.4 Main insulation masonry(including air layer)of thermal equipment and erection of outer wall metal hood.
1 Scope:insulation of flue gas ducts,hot air ducts and cold air ducts.
2 Quality criteria and inspection methods are shown in Table 4.13.4.
Table 4.13.4 Main insulation masonry(including air layer)of thermal equipment and erection of outer wall metal hood
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Table 4.13.4(Continued)
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4.13.5 Construction of main insulation wet masonry of thermal pipes and outer wall trowel finish surfaces.
1 Scope:construction of main insulation wet masonry of thermal pipes and outer wall trowel finish surfaces.
2 Quality criteria and inspection methods are shown in Table 4.13.5.
Table 4.13.5 Construction of main insulation wet masonry of thermal pipes and outer wall trowel finish surfaces
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Table 4.13.5(Continued)
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4.13.6 Main insulation masonry of thermal pipes and erection of outer wall metal hoods.
1 Scope:main insulation masonry of thermal pipes and erection of outer wall metal hoods.
2 Quality criteria and inspection methods are shown in Table 4.13.6.
Table 4.13.6 Main lnsulation masonry of thermal pipes and erection of outer wall metal hoods
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Table 4.13.6(Continued)
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4.13.7 Main insulation masonry of thermal main feed water,main steam,reheating steam pipes and erection of outer wall metal hoods.
1 Scope:main steam pipes,feed water pipe and reheating steam pipes.
2 Quality criteria and inspection methods are shown in Table 4.13.7.
Table 4.13.7 Main insulation masonry of thermal main feed water,main steam,reheating steam pipes and erection of outer wall metal hoods
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Table 4.13.7(Continued)
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Table 4.13.7(Continued)
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Note:a—erection of a metal cover at any creep expansion measuring point shall be only applicable for main steam pipe and reheating steam heating section.
4.13.8 Steam turbine proper spraying and insulation.
1 Scope:steam turbine proper spraying and insulation.
2 Quality criteria and inspection methods are shown in Table 4.13.8.
Table 4.13.8 Steam turbine proper spraying and insulation
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Table 4.13.8(Continued)
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4.13.9 Aluminum silicate fiber felt pasting lnsulation of steam turbine proper.
1 Scope:aluminum silicate fiber felt pasting insulation of steam turbine proper.
2 Quality criteria and inspection methods are shown in Table 4.13.9.
Table 4.13.9 Aluminum silicate fiber felt pasting lnsulation of steam turbine proper
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4.13.10 Mineral fine fiber felt and board insulation of steam turbine proper.
1 Scope:mineral fine fiber felt and board insulation of steam turbine proper.
2 Quality criteria and inspection methods are shown in Table 4.13.10.
Table 4.13.10 Mineral fine fiber felt and board Insulation of steam turbine proper
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4.13.11 Insulation mixtures priming,hard insulation board masonry and trowel finish coat construction of steam turbine proper cylinder contact surface.
1 Scope:insulation mixtures priming,hard insulation board masonry and trowel finish coat construction of steam turbine proper cylinder contact surface.
2 Quality criteria and inspection methods are shown in Table 4.13.11.
Table 4.13.11 Insulation mixtures priming,hard insulation board masonry and trowel finish coat construction of steam turbine proper cylinder contact surface
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Table 4.13.11(Continued)
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4.13.12 Insulation of aluminum silicate refractory fiber bands or ropes of small-diameter thermal pipes:
1 Scope:insulation of aluminum silicate refractory fiber bands or ropes of small-diameter thermal pipes.
2 Quality criteria and inspection methods are shown in Table 4.13.12.
Table 4.13.12 Insulation of aluminum silicate refractory fiber bands or ropes of small-diameter thermal pipes
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4.13.13 FRP insulation sleeves of valves and flanges.
1 Scope:FRP insulation sleeves of valves and flanges.
2 Quality criteria and inspection methods are shown in Table 4.13.13.
Table 4.13.13 FRP insulation sleeves of valves and flanges
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4.13.14 Insulation construction of metal shells of thermal equipment,pipe valves and flanges.
1 Scope:insulation construction of metal shells of thermal equipment,pipe valves and flanges.
2 Quality criteria and inspection methods are shown in Table 4.13.14.
Table 4.13.14 Insulation construction of metal shells of thermal equipment,pipe valves and flanges
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4.13.15 Certification of insulation material sampling and re-inspection.
1 Scope:insulation materials,insulation concrete materials and trowel finish surface materials.
2 The certification of insulation material sampling and re-inspection shall meet the requirements of Table 4.13.15.
Table 4.13.15 Certification of insulation material sampling and re-inspection
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4.13.16 Measurement record of equipment and pipe surface temperature after insulation.
1 Scope:surface temperature measurement to boiler setting,furnace top setting,reheating steam pipes,main steam pipes and the feed water pipes after insulation.
2 The measurement record shall meet the requirements of Table 4.12.12.
4.13.17 Implementation inspection list of mandatory provisions.
1 Scope:implementation inspection of mandatory provisions on insulation subsection project of steam turbine equipment and pipes.
2 The implementation inspection of mandatory provisions shall meet the requirements of Table 4.13.17.
Table 4.13.17 Implementation inspection list of mandatory provisions
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Note:contents in this Table may be added or deleted properly according to actual situations.