4.4 Raw Water Pretreatment System
4.4.1 Installation of air separators.
1 Scope of application：equipment for completing suspension clarifier.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.1.
Table 4.4.1 Installation of air separators
Table 4.4.1（Continued）
4.4.2 Installation of sludge dehydrator.
1 Scope of application：raw water pretreatment，industrial wastewater treatment system.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.2.
Table 4.4.2 Installation of sludge dehydrator
4.4.3 Trial run of sludge dehydrator.
1 Scope of application：raw water pretreatment，industrial wastewater treatment system.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.3.
Table 4.4.3 Trial run of sludge dehydrator
4.4.4 Installation of suspension clarifiers.
1 Scope of application：suspension clarifier equipment.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.4.
Table 4.4.4 Installation of suspension clarifiers
Table 4.4.4（Continued）
4.4.5 Installation of mechanical mixing clarification tanks.
1 Scope of application：installation of various mechanical mixing clarifier parts of concrete structure.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.5.
Table 4.4.5 Installation of mechanical mixing clarification tanks
Table 4.4.5（Continued）
4.4.6 Trial run of mechanical mixing clarification tanks.
1 Scope of application：trial run of water treatment mechanical mixing clarifier equipment.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.6.
Table 4.4.6 Trial run of mechanical mixing clarification tan ks
4.4.7 Installation of hydraulic circulation clarification tank.
1 Scope of application：installation of hydraulic circulation clarification tank parts.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.7.
Table 4.4.7 Installation of hydraulic circulation clarification tank
Table 4.4.7（Continued）
4.4.8 Trial run of hydraulic circulation clarification tank.
1 Scope of application：installation of hydraulic circulation clarification tank parts.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.8.
Table 4.4.8 Trial run of hydraulic circulation clarification tank
4.4.9 Installation of clarification tank inclined plates（pipes）.
1 Scope of application：clarification equipment of raw water pretreatment，wastewater treatment system.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.9.
Table 4.4.9 Installation of clarification tank inclined plates（pipes）
4.4.10 Installation of filter chambers.
1 Scope of application：gravity valveless，single valve，double-valve filter chamber and siphon filter chamber.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.10.
Table 4.4.10 Installation of filter chamber
Table 4.4.10（Continued）
4.4.11 Installation of ultra-filtration/microfiltration devices.
1 Scope of application：ultra-filtration equipment.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.11.
Table 4.4.11 Installation of ultra-filtration/microfiltration devices
4.4.12 Installation of mechanical filters.
1 Scope of application：such filters as single-flow，double-flow，double-layered filtering material，triple-layered filtering material，fiber ball，activated carbon，and phosphate.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.12.
Table 4.4.12 Installation of mechanical filters
Table 4.4.12（Continued）
4.4.13 Packing.
1 Scope of application：various types of filters，exchangers，CO2 removal devices，acid mist absorbers and filter chambers.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.13.
Table 4.4.13 Packing
4.4.14 Installation of reverse osmosis device.
1 Scope of application：raw water pretreatment，demineralized water，sea water desalination system reverse osmosis devices.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.14.
Table 4.4.14 Installation of reverse osmosis devices
4.4.15 Installation of reverse osmosis membrane.
1 Scope of application：reverse osmosis devices.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.15.
Table 4.4.15 Installation of reverse osmosis membrane
Table 4.4.15（Continued）
4.4.16 Installation of security filters.
1 Scope of application：equipment for completing the reverse osmosis devices.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.16.
Table 4.4.16 Installation of security filters
4.4.17 Installation of lime crane.
1 Scope of application：water treatment equipment.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.17.
Table 4.4.17 Installation of lime crane
Table 4.4.17（Continued）
4.4.18 Installation of slaked lime machine.
1 Scope of application：installation of slaked lime machine equipment.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.18.
Table 4.4.18 Installation of slaked lime machine equipment
Table 4.4.18（Continued）
4.4.19 Trial run of slaked lime machine.
1 Scope of application：trial run of slaked lime machine equipment.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.19.
Table 4.4.19 Trial run of slaked lime machine equipment
4.4.20 Installation of heat exchanger.
1 Scope of application：heat exchange equipment.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.20.
Table 4.4.20 Installation of heat exchanger
4.4.21 Installation of pipe mixer.
1 Scope of application：water treatment system pipe mixed type chemical dosing devices.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.21.
Table 4.4.21 Installation of pipe mixer
Table 4.4.21（Continued）
4.4.22 Installation of metal structure water tanks.
1 Scope of application：various types of metal structure water tanks.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.22.
Table 4.4.22 Installation of metal structure water tanks
4.4.23 Installation of concrete structure water tanks.
1 Scope of application：various types of concrete structure water tanks.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.23.
Table 4.4.23 Installation of concrete structure water tanks
4.4.24 Installation of floating roof water tanks.
1 Scope of application：water tanks with hard，soft floating roof structure.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.24.
Table 4.4.24 Installation of floating roof water tanks
Table 4.4.24（Continued）
4.4.25 Installation of single-beam bridge cranes.
1 Scope of application：water treatment system.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.25.
Table 4.4.25 Installation of single-beam bridge cranes
4.4.26 Installation of bag dust collectors.
1 Scope of application：water treatment system.
2 Inspection quantity：check them one by one.
3 Quality standards and inspection methods are as shown in Table 4.4.26.
Table 4.4.26 Installation of bag dust collectors
4.4.27 Inspection of the compulsory provision implementation of the raw water pretreatment system shall conform to Table 4.4.27.
Table 4.4.27 Inspection table of compulsory provision implementation of the raw water pretreatment system
Table 4.4.27（Continued）
