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1、锅炉安装工艺标准(2005新版)（Boiler installation process standard (2005 Edition)）Boiler installation process standard (2005 Edition)B/GLGY01/2005 boiler steel frame and metal structure installation process standards.Installation standard of heating surface for B/GL GY02/2005 boiler.B/GL GY03/2005 boiler install
2、ation expansion process standards.Welding standard B/GLGY04/2005 boiler installation.B/GLGY05/2005 boiler installation process standards in radiographic testing.B/GLGY06/2005 ultrasonic testing technology standard of boiler installation.B/GLGY07/2005 boiler installation process standards for detecti
3、ng electromagnetic powder.B/GLGY08/2005 boiler installation process standard penetration test.B/GLGY09/2005 installation of boiler heat treatment standard.B/GLGY10/2005 boiler auxiliary machinery installation process standardsB/GLGY11/2005 hydraulic test of boiler installation process standards.B/GL
4、 GY12/2005 boiler installation drying and boiling furnace and chemical cleaning process standards.The whole process B/GLGY13/2005 boiler air pressure test standard.1. general provisions1.1 the process standard is suitable for all kinds of steam, hot water boiler steel frame and the relevant metal st
5、ructure installation construction.1.2 in the implementation of the process standards, such as the design of technical conditions have special requirements, should also meet its special requirements.1.3 when the technical standards are in conflict with the current standards and specifications of the
6、state and industry, the current standards and norms of the state and industry should be taken as the standard.2. basis for compilationMinistry of labor steam boiler safety technology supervision regulations;Ministry of labor hot water boiler safety technology supervision regulations;DL/T5047 technic
7、al specification for construction and acceptance of electric power construction (boiler unit section);GB50273 code for installation, construction and acceptance of industrial boilers;JB/T162093 boiler steel structure technical conditionCurrent standard for boiler installation3. general provisionsThr
8、ee point oneThe boiler steel structure and the metal structure before the installation, should according to the packing list and drawings to count the number, and according to the provisions of B/GL-GY14/2004 boiler installation quality inspection technology standard, the main dimensions of recheck,
9、 retest inspection, must use qualified steel to make the measurement accuracy, available tension spring balance the same distance measuring ruler, tightening force should be the same.Three point twoBefore the installation of the boiler steel frame and the relevant metal structure, the structural app
10、earance quality should be reexamined. The structural appearance should be free of rust, heavy skin and cracks, and the quality of welding, riveting and bolt connection should meet the requirements.3.3, the alloy steel structure parts should be checked by spectrum again before use.3.4 the boiler stee
11、l frame and the relevant metal components should be adjusted to the following regulations:After 3.4.1 cold state correction, no damage such as bump, crack, etc. When ambient temperature is lower than -20, no hammering is allowed to prevent embrittlement.3.4.2When the heating temperature is corrected
12、, the carbon steel component should not be more than 1000 degrees, and the alloy steel member should be controlled below the critical point Ac1 of the steel. The critical point temperature of common alloy steels is shown in table 3.4.2.Critical point table 3.4.2 of common alloy steelsThe number of s
13、teel Ac1 (c) Ac1 (c) number of steel12345 12CrMo15CrMo35CrMo12Cr1MoV20Cr1Mo1VNbB72074575577480382767891025Cr2MoV25Cr2Mo1VZG25ZG20CrMoVZG15CrMo1V7707807357707797804. boiler foundation inspection and marking4.1 installation of boiler steel frame and metal structure, according to the construction drawi
14、ngs and acceptance records of foundation engineering, reviewed the following on the basis of a boiler:There should be no honeycomb, cavity, exposed rib and loose surface on the surface of 4.1.1 foundation.The deviation of the size of each part of the 4.1.2 foundation shall comply with the allowable deviation of the concrete equipment foundation specified in table 4.1.2.The distance between the two grouting layers of the 4.1.3 foundation surface and the bottom plate of the same column shall not be less than 50mm.4.2 installation lineation4.2.1 installation lineation type(
