Ball Cleaning System

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    Commissioning Measures Form for Approval

    No.YDTD-TS09

    Project

    name

    Phase I of 2330MW Project of Tengda

    Coal-fired Power Plant in India

    Contract

    No.

    To: Tengda Project Department of Sichuan Machinery & Equipment Import & Export Corporation

    Now it is submitted for the examination and approval with the rubber ball cleaning system commissioning

    measure

    Document No. : QJCS-9

    Appendix: rubber ball cleaning system commissioning measure

    Contractor: Sichuan Tongneng Power Technology Co. Ltd.

    Project principal Date

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    Examination and approval opinions of the project supervision department:

    Project supervision department (seal)

    Supervision engineer: Date

    Chief supervision engineer: Date

    Examination and approval opinions of the owner

    Legal person of the project (seal):

    Owner representative Date

    Contractor: Sichuan Tongneng Power Technology Co. Ltd Mar. 2008

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    Examination and Approval Record for

    Documents

    D o c u m e n t

    n a m erubber ball cleaning system commissioning measure

    D o c u m e n t

    N o .YDTD-QJCS-09

    The 1st

    version

    Date of

    publication

    The

    2nd

    version

    Date of

    publication

    Main revised content

    E d i t i o n n o .

    The 3rd

    version

    Date of

    publication

    Main revised content

    M a n a g e r s

    a p p r o v a l o f

    t h e

    c o m m i s s i o n i

    n g p r o j e c t

    D a t e :

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    Content

    1. Compilation purpose 3

    2. Compilation reference 3

    3. Quality standards and objective of commissioning 3

    4. Responsibility division 4

    5. System brief introduction 5

    6. Conditions prior to commissioning 6

    7. Working procedure of commissioning 6

    8. Commissioning steps 6

    9. Safety Precautions 11

    10. Appendix 13

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    1 Compilation purpose

    1.1 These measures are worked out for guiding and standardizing the commissioning work of

    system and equipment, and ensuring that the system and equipment can be used safely and

    normally.

    1.2 Check electric, thermal protection interlock and signal devices of rubber ball cleaning

    system to confirm that they can run reliably.

    1.3 Check the operation situation of the system and equipments and performance of the system

    to find and eliminate the possible defects.

    2. Compilation reference

    2.1 Specifications for Start-up and As-built Acceptance of Capital Construction Engineering

    of Thermal Power Plant (1996 Edition) DJ[1996] No. 159)

    2.2 The Codes of Erection and Acceptance of Electric Power Construction (Section of

    Steam Turbine Unit) DL50111992

    2.3 The Codes of Erection and Acceptance of Electric Power Construction (Section of)

    DL50311994

    2.4 Standard for Quality Inspection and Evaluation of Thermal Power Engineering

    Adjustment and Commissioning (JZ [1996] No.111)

    2.5 Regulations for Start-up and Commissioning of Thermal Power Engineering (JZ [1996]

    No.40)

    2.6 Drawings, Installation and Operation Instructions, Warranty and Certificate of

    Merchandise of manufacturer

    2.7 Design documents, drawings and instructions, related documents, meeting minutes, etc. of

    commissioning

    2.8 Equipment supply agreement and international and national standards specified in the

    supply agreement.

    3. Quality standards and objective of commissioning

    3.1 The commissioning should be in accordance with all quality standards and requirements of

    relevant rubber ball cleaning system and equipments specified in the Standard for Quality

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    Inspection and Evaluation of Thermal Power Engineering Adjustment and

    Commissioning (1996 Edition), and the quality requirements specified in commissioning

    contract, and satisfy the requirements of complete set start-up of unit.

    3.2 The professional commissioning personnel and group leader should inspect and control the

    key links of commissioning quality according to Appendix 1 (Quality Control Point of

    Commissioning). For the problems found during commissioning, they should report to the

    superiors in time so as to solve them and ensure that the start-up commissioning work can

    go on smoothly.

    4. Responsibility division

    According to related provisions specified in the Regulations for Start-up and Commissioning ofThermal Power Engineering and commissiong contract, the duty of each party is as follows:

    4.1 Installation unit:

    4.1.1 Be responsible for the commissioning and trial run works of individual sectors of the

    equipment.

    4.1.2 Be responsible for insulation work of the system.

    4.1.3 Be responsible for the examination, repairing, maintenance and defects eliminating works

    of the commissioning equipments. 4.1.4 Prepare necessary examination and repairing tools and materials.

    4.1.5 Coordinate with commissioning unit to carry out the commissioning work of

    sub-systems.

    4.1.6 Be responsible for the certificate issuing works after commissioning of this system in

    divided parts.

    4.2 Manufacturing unit:

    4.2.1 Be responsible for the starting and stopping of equipments, operation adjustment andfailure handling during commissioning.

    4.2.2 Be responsible for the formal label-hung works of the related system and equipments.

    4.2.3 Prepare the operation regulations, tools, record forms, etc.

    4.2.4 Be responsible for the inspection and normal maintenance works of equipments during

    commissioning.

    4.3 Commissioning unit:

    4.3.1 Be responsible for the compilation works of commissioning measures (scheme) and

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    confide technical disclosure.

    4.3.2 Prepare related instruments, meters and tools used in the test.

    4.3.3 Be responsible for commanding works on commissioning of sub-systems.

    4.3.4

    Be responsible for the recording and analyzing works of testing data. 4.3.5 Fill in the commissioning quality inspection and evaluation table

    4.3.6 Be responsible for the acceptance and certificate issuing works of sub-systems after

    commissioning.

    4.3.7 Write commissioning reports.

    4.4 The installation unit is responsible for while the commissioning unit participates in the

    commissioning works of individual sector of pump sets. The commissioning unit is

    responsible for the sub-system commissioning of the pump sets coordination withinstallation unit and other related units. The commissioning of rubber ball cleaning system

    should be carried out under the unified command of trial run team and implemented under

    the duty of the professional team, coordinating with leads in turbine profession, electric,

    thermal control and other related professions.

    5 System brief introduction

    The both sides of turbine condenser of Tengda Coal-fired power plant in India have one setrubber ball cleaning device which is constituted of ball collecting screen, rubber ball pump, ballloading chamber and other components. Passing through rubber ball pump, the rubber ball is

    brought out from ball loading chamber by the circulation water, and then runs into the inletcirculation water of A condenser, and runs to rubber ball pump from circulation water by the ballcollecting screen on outlet circulation water pipe of B condenser at last, repeatedly circulatinglike this. Specification of equipments

    5.1 Rubber ball pump:

    Type: WX-JQ-100

    Flow: 100m 3/h (27.8L/s)

    Head: 25m

    Shaft power: 10.4KW

    Net positive suction head: 1.6m

    Speed: 1460r/min

    Efficiency: 60%

    5.2 Motor

    Manufacturer: ABB MOTORS

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    Type: QA162301-ADA

    Power: 11KW

    6. Conditions prior to commissioning

    Before system commissioning, the commissioning personnel should have a comprehensive

    examination on the requirements for this system commissioning in accordance with the contents

    listed in Appendix 2 (Checklist for requirements of commissioning), and keep a record.

    7. Working procedure of commissioning

    The commissing work of rubber ball cleaning system can be carried out in accordance wit