4.10 Erection of Desulfurization Equipment
4.10.1 General requirements:
1 This section is applicable to acceptance of flue gas desulfurization and sea water desulfurization projects by using limestone or lime-gypsum method.
2 As for any acceptance item whose acceptance sheet not given in this section,its acceptance shall be implemented according to relevant sheets of DL/T 5210.3-2009,DL/T 5210.5-2009,DL/T 5210.6-2009 as well as this Part.The specific sheet shall meet the requirements of Table 4.2.1-1(Quality Acceptance Scope Division Table).
3 If a manufacturer has no clear provision,acceptance requirements on a new product or equipment shall be jointly studied and determined by the construction company,the owner,the design company and the manufacturer,and it shall be implemented during construction.
4.10.2 Erection of boxes and tanks.
1 Scope:erection of boxes and tanks.
2 Quality criteria and inspection methods are shown in Table 4.10.2.
Table 4.10.2 Erection of boxes and tanks
Table 4.10.2(Continued)
4.10.3 Erection of accessories of boxes and tanks.
1 Scope:erection of accessories of boxes and tanks.
2 Quality criteria and inspection methods are shown in Table 4.10.3.
Table 4.10.3 Erection of accessories of boxes and tanks
Table 4.10.3(Continued)
4.10.4 Erection of spraying pipes.
1 Scope:erection of spraying pipes(made of glass fiber reinforced plastic)inside an absorption tower.
2 Quality criteria and inspection methods are shown in Table 4.10.4.
Table 4.10.4 Erection of spraying pipes
Table 4.10.4(Continued)
4.10.5 Erection of demister and water flushing pipes.
1 Scope:erection of demister and water flushing pipes(made of PP,PPTV and other plastic materials)inside a absorption tower.
2 Quality criteria and inspection methods are shown in Table 4.10.5.
Table 4.10.5 Erection of demister and water flushing pipes
Table 4.10.5(Continued)
4.10.6 Certification of metal surface grinding.
1 Scope:certification of grinding metal surface of flue gas ducts or tanks required internal anticorrosion.
2 The certification of metal surface grinding shall meet the requirements of Table 4.10.6.
Table 4.10.6 Certification of metal surface grinding
4.10.7 Certification of cleaning and closing of boxes and tanks.
1 Scope:certification of flue,boxes and tanks and sealing vessels manholes before closing.
2 Certification of cleaning and closing of boxes and tanks shall meet the requirements of Table 4.10.7.
Table 4.10.7 Certification of cleaning and closing of boxes and tanks
4.10.8 Certification of filling water test of boxes and tanks.
1 Scope:certification of filling water test of boxes and tanks and sealed vessels.
2 Certification of filling water test shall meet the requirements of Table 4.10.8.
Table 4.10.8 Certification of filling water test of boxes and tanks
4.10.9 Erection of waste water hydrocyclone station feed pump.
1 Scope:erection of waste water hydrocyclone station feed pump.
2 Quality criteria and inspection methods are shown in Table 4.10.9.
Table 4.10.9 Erection of waste water hydrocyclone station feed pump
4.10.10 Erection of gypsum hydrocyclone station.
1 Scope:erection of gypsum the hydrocyclone station.
2 Quality criteria and inspection methods are shown in Table 4.10.10.
Table 4.10.10 Erection of gypsum hydrocyclone station
Table 4.10.10(Continued)
4.10.11 Erection of vacuum belt dehydrator.
1 Scope:erection of vacuum belt dehydrator in desulfurization system.
2 Quality criteria and inspection methods are shown in Table 4.10.11.
Table 4.10.11 Erection of vacuum belt dehydrator
Table 4.10.11(Continued)
4.10.12 Implementation checklist of mandatory provisions of desulfurization erection project.
1 Scope:implementation inspection of mandatory provisions of desulfurization erection project.
2 The implementation inspection of mandatory provisions shall meet the requirements of Table 4.10.12.
Table 4.10.12 Implementation checklist of mandatory provisions of desulfurization erection project
Table 4.10.12(Continued)
Table 4.10.12(Continued)
Note:Contents in this Table may be added or deleted properly according to actual situations.