4.15 Erection of circulating fluidized bed boiler
4.15.1 As for a power plant circulating fluidized bed boiler except those special components，the provisions in this section shall be obeyed.Other components shall meet provisions in the conventional boiler acceptance rules.
4.15.2 Erection of boiler decoration casing.
1 Scope：erection of the low temperature zone profiling outer casing in insulation layer in the boiler heating surfaces and other zones.The acceptance of the high temperature zone casing shall be carried out according to erection of a conventional boiler casing.
2 Quality criteria and inspection methods are shown in Table 4.15.2.
Table 4.15.2 Erection of boiler decoration casing
Table 4.15.2（Continued）
4.15.3 Acceptance shall be carried out according to the conventional boiler corresponding acceptance standard and inspection methods as for erection of furnace top seals，boiler sporadic seals and slag outlet sealing devices.
4.15.4 The inner casing erection of the boiler back shaft upper flue gas inlet.
1 Scope：erection of inner casing of boiler back shaft upper flue gas inlet.
2 Quality criteria and inspection methods are shown in Table 4.15.4.
Table 4.15.4 Inner casing erection
Table 4.15.4（Continued）
4.15.5 Erection of waterwall fireside seals.
1 Scope：boiler waterwall butt joint fireside seals.Inspection and acceptance contents include the fireside seals in a boiler waterwall lower dense phase zone and fireside seals in the upper dilute phase zone.
2 Quality criteria and inspection methods are shown in Table 4.15.5.
Table 4.15.5 Erection of waterwall fireside seals
Table 4.15.5（Continued）
4.15.6 Certification of boiler waterwall fireside seals.
1 Scope：erection verification of seals in the zones where there is no refractory material coverage in a boiler waterwall fireside surface.
2 The verification shall meet the requirements of Table 4.15.6.
Table 4.15.6 Certification of boiler waterwall fireside seals
4.15.7 Erection of cyclone separator.
1 Scope：erection of boiler cyclone separator.
2 Quality criteria and inspection methods are shown in Table 4.15.7.
Table 4.15.7 Erection of cyclone separator
Table 4.15.7（Continued）
4.15.8 Erection of external bed and air-water combined bottom ash cooler.
1 Scope：assembly and erection of boiler external bed and air-water combined bottom ash cooler.
2 Quality criteria and inspection methods are shown in Table 4.15.8.
Table 4.15.8 Assembly and erection of external bed
Table 4.15.8（Continued）
4.15.9 Erection of loop seal（J-shaped valve）.
1 Scope：erection of boiler loop seal（J-shaped）.
2 Quality criteria and inspection methods are shown in Table 4.15.9.
Table 4.15.9 Erection of loop seal（J-shaped valve）
Table 4.15.9（Continued）
4.15.10 Erection of feeding device.
1 Scope：erection of boiler feeding device.
2 Quality criteria and inspection methods are shown in Table 4.15.10.
Table 4.15.10 Erection of feeding device
Table 4.15.10（Continued）
4.15.11 Erection of compensation devices.
1 Scope：erection of the compensation devices of boiler loop seal or ash duct from external bed to furnace.
2 Quality criteria and inspection methods are shown in Table 4.15.11.
Table 4.15.11 Erection of compensation devices
Table 4.15.11（Continued）
4.15.12 Erection of air cap.
1 Scope：erection of boiler air cap.
2 Quality criteria and inspection methods are shown in Table 4.15.12.
Table 4.15.12 Erection of air cap
4.15.13 Fixing device erection of external bed heating surface.
1 Scope：erection of fixing devices in boiler external bed heating surface.
2 The quality criteria and inspection method are shown in Table 4.15.13.
Table 4.15.13 Fixing device erection of external bed heating surface
4.15.14 Erection of combustion equipment.
1 Scope：erection of boiler combustion equipment.
2 Quality criteria and inspection methods are shown in Table 4.15.14.
Table 4.15.14 Erection of combustion equipment
Table 4.15.14（Continued）
Table 4.15.14（Continued）
4.15.15 Erection of drum.
1 Scope：erection of boiler drum.
2 The quality criteria and inspection method are shown in Table 4.15.15.
Table 4.15.15 Erection of drum
4.15.16 Assembly and erection of air chamber waterwall.
1 Scope：assembly and erection of boiler air chamber waterwall.
2 Quality criteria and inspection methods are shown in Table 4.15.16.
Table 4.15.16 Assembly and erection of air chamber waterwall
Table 4.15.16（Continued）
4.15.17 Erection of boiler flow passage.
1 Scope：components erection of flow passages and ash ducts before the back shaft of boiler flow passage.
2 Quality criteria and inspection methods are shown in Table 4.15.17.
Table 4.15.17 Erection of boiler flow passage
Table 4.15.17（Continued）
4.15.18 Erection of flexible compensation devices.
1 Scope：erection of boiler nonmetallic flexible compensation devices.
2 Quality criteria and inspection methods are shown in Table 4.15.18.
Table 4.15.18 Erection of flexible compensation devices
4.15.19 Erection of metal expansion compensation devices.
1 Scope：erection of boiler metal expansion compensation devices.
2 Quality criteria and inspection methods are shown in Table 4.15.19.
Table 4.15.19 Erection of metal expansion compensation devices
4.15.20 The inspection and acceptance of slag tube shall be carried out for external bed，loop seal，slage cooler according to requirements of Table 4.7.3 of DL/T 5210.5-2009.
4.15.21 As for the whole boiler hydrostatic test，the inspection and acceptance shall be carried out according to primary steam-water system and the secondary steam-water system，respectively.Quality criterias and inspection methodss are the same as those for conventional boilers.
4.15.22 As for the whole boiler decay pressure，the inspection and acceptance shall be carried out according to two systems，namely，the boiler smoke，the pressure decay test of wind system and the pressure decay test of fluidizing air system.Test pressure is the design operation pressure.The quality criteria and inspection methods are the same as those for a conventional boiler.
4.15.23 As for the limestone transportation pipe erection，the inspection and acceptance shall be carried out according to erection requirements of low pressure pipes of DL/T 5210.5-2009.The inspection and acceptance of the silo-pump erection shall be carried out as the following requirements.
1 Scope：silo-pump erection.
2 Quality criteria and inspection methods are shown in Table 4.15.23.
Table 4.15.23 Erection of Silo-pump
4.15.24 Erection of bucket elevator.
1 Scope：erection of bucket elevator.
2 Quality criteria and inspection methods are shown in Table 4.15.24.
Table 4.15.24 Erection of bucket elevator
Table 4.15.24（Continued）
4.15.25 Erection of rotary flap.
1 Scope：erection of rotary flap.
2 Quality criteria and inspection methods are shown in Table 4.15.25.
Table 4.15.25 Erection of rotary flap
Table 4.15.25（Continued）
4.15.26 Drum slag cooler.
1 Scope：erection of drum slag cooler.
2 Quality criteria and inspection methods are shown in Table 4.15.26.
Table 4.15.26 Drum slag cooler
4.15.27 Vibrating feeder.
1 Scope：vibrating feeder.
2 Quality criteria and inspection methods are shown in Table 4.15.27.
Table 4.15.27 Vibrating feeder
Table 4.15.27（Continued）
4.15.28 Erection of dust-collecting equipment.
1 Scope：erection of dust-collecting equipment.
2 Quality criteria and inspection methods are shown in Table 4.15.28.
Table 4.15.28 Erection of dust-collecting equipment
Table 4.15.28（Continued）
4.15.29 Erection of boiler setting anchor parts.
1 Scope：erection of boiler setting anchor parts.
2 Quality criteria and inspection methods are shown in Table 4.15.29.
Table 4.15.29 Erection of boiler setting anchor parts
Table 4.15.29（Continued）
4.15.30 Boiler Drying-out Inspection.
1 Scope：inspection of internal boiler setting surfaces after boiler drying-out.
2 Quality criteria and inspection methods are shown in Table 4.15.30.
Table 4.15.30 Boiler drying-out inspection
Table 4.15.30（Continued）
4.15.31 Inspection and certification of boiler furnace top seals.
1 Scope：inspection certification of the boiler furnace top seals.
2 Certification shall meet the requirements of Table 4.15.31.
Table 4.15.31 Inspection and certification of boiler furnace top seals
4.15.32 Erection and certification of boiler anchor parts.
1 Scope：erection and certification of boiler anchor parts.
2 The erection certification shall meet the requirements of Table 4.15.32.
Table 4.15.32 Erection and certification of boiler anchor parts
4.15.33 Construction certification of cyclone separator internal refractory and abrasion resistant materials.
1 Scope：construction certification of cyclone separator internal refractory and abrasion resistant materials.
2 The certification shall meet the requirements of Table 4.15.33.
Table 4.15.33 Construction certification of cyclone separator internal refractory and abrasion resistant materials
4.15.34 Construction certification of refractory and abrasion resistant materials of external bed.
1 Scope：construction certification of refractory and abrasion besistant materials of external bed.
2 Certification shall meet the requirements of Table 4.15.34.
Table 4.15.34 Construction certification of external bed refractory and abrasion resistant materials
