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
Table 4.13.1（Continued）
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
Table 4.13.2（Continued）
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
Table 4.13.3（Continued）
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
Table 4.13.4（Continued）
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
Table 4.13.5（Continued）
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
Table 4.13.6（Continued）
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
Table 4.13.7（Continued）
Table 4.13.7（Continued）
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
Table 4.13.8（Continued）
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
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
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
Table 4.13.11（Continued）
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
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
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
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
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
Note：contents in this Table may be added or deleted properly according to actual situations.