waste water treatment comprocedure 调试后.docx

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waste water treatment comprocedure 调试后.docx

wastewatertreatmentcomprocedure调试后

Commissioningprocedure

Project:

TurkeyICDAS1×135MWUnit1

section:

Chemistry

Title:

WasteWaterTreatmentSystem

Documentnumber:

TR-ICDAS-CP-CM-002

revision:

1

 

Allrightsreservedinthisdocumentandtheinformationcontainedtherein.Reproduction,useordisclosuretothirdpartywithoutpriorwrittenpermissionisstrictlyforbidden

©HeilongjiangElectricPowerResearchInstitute,China.

SignaturePage

DocumentDetails

Signatures

RevisionNo.

IssueDate:

PreparedBy:

VerifiedBy:

ReviewedBy:

ApprovedBy:

AcceptedBy:

0

2005-05-06

Name

Wangzhu

Signature

Name

Shujiwei

Signature

Name

Jiachangge

Signature

Name

Xueji(CMEC)

Gaoyunda(HPCC3)

Signature

Name

OsmanCelikdemir

(ICDAS)

Signature

1

2005-06-23

Name

Wangzhu

Signature

Name

Shujiwei

Signature

Name

Jiachangge

Signature

Name

Xueji(CMEC)

Gaoyunda(HPCC3)

Signature

Name

OsmanCelikdemir

(ICDAS)

Signature

RevisionSummary

Rev.0Initialissue

Rev.1RevisedaccordingtoICDAS’scomments.

TableofContents

1Objective5

2Scopeofwork5

3Acceptancecriteria5

4References6

5Prerequisites6

6Precautions6

7Testequipmentandmaterials7

8Procedure7

9VerificationandPostRequisites11

10Attachment11

1Objective

Thissystemcanmeettherequirementtotreattheregenerationwastewaterofthewatertreatmentplant,boilerblowdown,acidcleaning,thedrainwaterofstartingupofboiler,therinsingwaterofairpre-heateretc.,itcanmakethemallreachingthedrainstandards.

TheVolumesandQualityofEffluentoftheWasteWater

Regularitywastewater

Volume

Quality(mg/lexceptpH)

Regeneratingwastewater

12m3/d

pH2~12,SS20~80

Filterbackwashwastewater

60m3/d

SS2000

Boilerblowdown

100m3/d

pH8.8~10,SS1~40

Irregularitywastewater

Boileracidwashwastewater

850t/once

pH2~12,SS100~2000,

COD2000~4000

Fe50~6000,Oil1

Start-upoftheunitdrain

100t/once

pH8.5~9.5,COD360,

Fe500

2Scopeofwork

IncludingpHregulationtank、Coagulatingtank、reactiontank、clarifier、thefinalneutralizingtank、sludgebasin、dehydratorandrelevantdosingsystem.

Regenerationwaste→wastebasinc(addacidandcaustic)→wastepump→thefinalneutralizingbasin(addacidandcaustic)→recoveringpump→towatersupply

Industrywastewater(boilercleaningwastewaterandboilerblowdown)→Wastewaterbasina&b(addacidandcaustic)→wastepump→pHregulationtank(addacidandcaustic)→Coagulatingtank(addcoagulant)→reactiontank→clarifier→thefinalneutralizingbasin(addacidandcaustic)→recoveringwaterpump→towatersupply

Slurryfromclarifier→slurrybasin→slurrypump→pipemixer(addDehydratingagent)→slurryconcentrationmachine→sludgetransfer

3Commissioningcriteria

3.1TheStandardsLevelofWasteWaterEmission

Item

2hours

24hours

pH

6~9

6~9

SS

150mg/L

100mg/L

COD

100mg/L

100mg/L

Oil

20mg/L

10mg/L

3.2Capacity:

25t/h

4References

4.1Flowdiagramandequipmentarrangementdrawingsforwastewatertreatmentsystem.Drawing№:

F356S-H0301

5Prerequisites

5.1Civilworkandinstallationworkofwastewatertreatmentsystemcompleted,accordancewithsystemdiagram.

5.2Installationofdosingsystemarecompleted,pipelineareflushed,trialrunofdosingpumpscompleted.

5.3Electricalequipments,i.e.switchboard,console,indictoranalysis,I&Cmeasurementareinstalledandchecked,ensureoperationflexibility.

5.4Singleequipmentcommissioningofallpumps,blowers,agitationarecompleted.

5.5Commissioningofallpneumaticvalvearecompleted,andpositionersignalareright.

5.6Communicationandlightinsiteareallready,ifnot,itshouldhavetemporarymeasure,workingpassageareunblocked,temporaryequipmentsusedininstallingperiodshouldberemoved.

5.7Analyticalreagentandanalyzerareallready.

5.8Datasheetsusedincommissioningareallready.

5.9Electricalpersonnel,I&Cpersonnelanderectorshouldbeonduty,soastodealwithdrawbackduringcommissioning.

6Precautions

6.1Personnelwhoattendcommissioningshouldstudysafetyguideforchemicalandelectric,referto“securitymanualforTurkeyproject,P25-28”.

6.2Electricequipment,chemicals,andwastewatershouldbetakenchargebyspecialperson.

6.3Preparedfirst-aidchemicalsforburnbyacidandcausticinsite.

6.4Providedsomefirefightingequipments.

6.5Electricswitchesandelectricequipmentshouldhaveevidencesign.

6.6Personnelwhoattendcommissioningshouldbefamiliarwithsystem,preventfromimproperoperation.

6.7Necessaryindividualprotectionmeasureshouldbetaken.

7Testequipmentandmaterials

Preparedanalyzersandchemicalsasfollows:

pHmeter,turbiditymeter,andsomeanalyticalreagents.

TheanalyzemethodofCOD:

Potassiumpermanganatemethod.

8Commissioningprocedure

8.1Inspectionofsingleequipment

8.1.1Inspectionofmotor-operatedvalve

Serialnumber

Description

checkitems

result

10GND21/AA004/12UGU0000

Clarifierdrainsludgemotor-operatedvalve

DisplayonCRTaccordwithactualstatus

8.1.2Inspectionofpumpsandagitatorsandrootsblowers

Serialnumber

Description

checkitems

result

10GNL21/AP001/12UGU0000

#1wastewaterpump

Normalstartupandstop

10GNL22/AP001/12UGU0000

#2wastewaterpump

Normalstartupandstop

10GNL23/AP001/12UGU0000

#3wastewaterpump

Normalstartupandstop

10GNL24/AP001/12UGU0000

#4wastewaterpump

Normalstartupandstop

10GNL25/AP001/12UGU0000

#5wastewaterpump

Normalstartupandstop

10GNL26/AP001/12UGU0000

#6wastewaterpump

Normalstartupandstop

10GND31/AP001/12UGU0000

Sludgepump

Normalstartupandstop

10GND41/AP001/12UGU0000

#1recoveringpump

Normalstartupandstop

10GND42

/AP001/12UGU0000

#2recoveringpump

Normalstartupandstop

10GNK21

/AP001/11UGN0000

#1wastetransferpump

Normalstartupandstop

10GNK22

/AP001/11UGN0000

#2wastetransferpump

Normalstartupandstop

10GNN31/AP001/12UGU0000

#1coagulantdosingpump

Normalstartupandstop

10GNN32/AP001/12UGU0000

#2coagulantdosingpump

Normalstartupandstop

10GNN41/AP001/12UGU0000

#1dehydratingagentdosingpump

Normalstartupandstop

10GNN42/AP001/12UGU0000

#2dehydratingagentdosingpump

Normalstartupandstop

10GNN11/AP001/12UGU0000

#1aciddosingpump

Normalstartupandstop

10GNN12/AP001/12UGU0000

#2aciddosingpump

Normalstartupandstop

10GNN21/AP001/12UGU0000

#1causticdosingpump

Normalstartupandstop

10GNN22/AP001/12UGU0000

#2causticdosingpump

Normalstartupandstop

10GNC11/AN001/12UGU0000

#1rootsblower

Normalstartupandstop

10GNC12/AN001/12UGU0000

#2rootsblower

Normalstartupandstop

10GNN30

/AM001/12UGU0000

Agitatorofcoagulantdosingtank

Normalstartupandstop

10GNN40

/AM001/12UGU0000

Agitatorofdehydratingagentdosingtank

Normalstartupandstop

10GND11

/AM001/12UGU0000

AgitatorofpHregulationtank

Normalstartupandstop

10GND12

/AM001/12UGU0000

Agitatorofcoagulatingtank

Normalstartupandstop

10GND13

/AM001/12UGU0000

Agitatorofreactiontank

Normalstartupandstop

Individualtrialrunreportofmotor:

Individualtrialrunreportofpump:

8.1.3InspectionofI&Cequipment

Description

checkitems

result

1

#1wastebasinlevel

meterindicatecorrectly

2

#2wastebasinlevel

meterindicatecorrectly

3

#3wastebasinlevel

meterindicatecorrectly

4

Thefinalneutralizingbasinlevel

meterindicatecorrectly

8.1.4Inspectionofchemicalanalyzers

Description

checkitems

result

1

pHmeterof#1wastebasin

Normaloperation,meterindicatecorrectly

2

pHmeterof#2wastebasin

Normaloperation,meterindicatecorrectly

3

pHmeterof#3wastebasin

Normaloperation,meterindicatecorrectly

4

pHmeterofpHregulationtank

Normaloperation,meterindicatecorrectly

5

pHmeterofThefinalneutralizingbasin

Normaloperation,meterindicatecorrectly

6

Theturbidityoftheclarifier

Normaloperation,meterindicatecorrectly

8.1.5Sequencecontrolandalarmtest

Items

Result

1

#1Wastewaterbasinlevelhighalarm

2

#1Wastewaterbasinlevellowalarm

3

#2Wastewaterbasinlevelhighalarm

4

#2Wastewaterbasinlevellowalarm

5

#3Wastewaterbasinlevelhighalarm

6

#3Wastewaterbasinlevellowalarm

7

Thefinalneutralizingbasinlevelhighalarm

8

Thefinalneutralizingbasinlevellowalarm

9

Thecoagulantdosingtanklevellowalarm

10

Thedehydratingagentdosingtanklevellowalarm

8.1.6Inspectionlistsofwastewatertreatmentsystempriortocommissioning

Checkitems

Result

1

Constructionofwastetreatmentiscompletedandaccordwithdesigndiagram

2

Allofdosingsystems,includingcoagulantdosing、aciddosingandcausticdosingsystemaretrialrun,allofdosingpumpsandmixermotorsoperatenormal.

3

Singleequipmentcommissioningofallofpumpsandmotorsarecompleted.

4

PutI&Cequipmentrelatedtowastetreatmentsysteminservice,indicatecorrectly

8.2Startupprocedure

Step

Checkitems

Result

Commissioningoftheregenerationwastewatertreatment

1

Inspecttheregenerationwastewatertreatmentsystem

Accordingwithdesignchart

2

Pre-treatmentofwastewaterbydosedacidorcaustic

pHofwastewaterbasin

Acidandcausticamounts

3

Thefinaltreatmentofwastewaterbydosedacidorcaustic

pHofthefinalneutralizingbasin

Acidorcausticamounts

4

Theregenerationwastewatertreatme

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