换热器安装质量控制

The Quality Control Procedure of Installation of Heat Exchangers SDB/RP/QC/JS/02  Contents 1.0 The Purposes and Applicable Seopes 2.0 。 The Compiling Criterions 3.0 。 The Staffand Their Responsibilities 下0。 The Control Procedure 5.0 。 Documents and Records .0 The Revision Notes  二.0 The Purposes and Applicable Scopes This procedure applies to the quality control of the installation of heat exchangers in order to meet the contract，drawings and specification requirements、 2.0 The Compiling Criterions The project standards and specifications Approval construetion drawings Factory qualification certificates and quality certificates 3.0 The Staffand Their Responsibilities The QC engineer is in charge of the site technical management of the heat exchanger installation and the lifting engineer in charge of the lifting of the equipment 4.0 The Control Procedure 44.1 Al the heat exchangers should be checked and accepted by the CPECC and QC engineer according to the procedure of handling，delivery and Storage of materials、 全2 The materials should be packing and protected in the factory，If the packing have been damaged，inspect the materials and record when accept the materials 4.3 Inspection of foundations The materials used for foundations should meet the requirements of drawings and specifications，Submit the relevant data when hand over foundations。 二 Cheek the foundation for proper elevation，orientation centerline， dimensions of anchor bolts，nameplate and nozzle orientation prior to installing the heat exchanger， The equipment was carried out  nitrogen-filling protection and the blind flanges can not be opened before matching pipes， 4.5 If the foundation of the equipment is built by concrete，fix on one end and erect a sliding plate on the other ends when install the heat exchanger，If the foundation is made by steel，locate the equipment directly to the foundation and ensure there is adequate contact surface between the equipment and its base and grease the sliding end. 4.6 The constructing Company should known well of the drawings and technical requirements and make suitable schemes and plans to manage effectively the transportation，installation and assembly of equipment， 4.7 Temporary disassembly all the thermometers etc， during the equipment installing period and re-install them before the equipment testing runs. 148 Check the equipment for proper nozzles，flanges and other parts Which need to conneet to the exterior parts according to the drawings and specifications before equipment lifting. .9 When level up by shims，the shims should extrude 10-30m over the base and the inserted length of the bolts group which insert into the base by the both sides of the anchor bolts should exceed to the length of anchor bolts and ensure the weight should be stood by the base equally- 4.10 Check the shims group by a 0.5 pound hammer and ensure there is no loosening can be found after level up the equipment by a gradienter and U-shape level pipe， After check as acceptable by Owner，fix the shims group by spot welding them between layers but ca