This paper introduces the common technical problems in the assembly process of gate valve, globe valve and swing check valve, analyzes the causes, and according to different reasons, gives the solutions and measures f...This paper introduces the common technical problems in the assembly process of gate valve, globe valve and swing check valve, analyzes the causes, and according to different reasons, gives the solutions and measures for the field assembly of valves. This paper introduces the pressure test inspection requirements of gate valves, globe valves and swing check valves and the determination of leakage methods. Introduce the common domestic and foreign standards for valve pressure test and leakage inspection.展开更多
With the acceleration of urbanization, the scale of urban buildings is expanding day by day, and the requirements for construction efficiency, building function and quality are higher and higher. The development of co...With the acceleration of urbanization, the scale of urban buildings is expanding day by day, and the requirements for construction efficiency, building function and quality are higher and higher. The development of construction technology has played a positive role in improving the efficiency and quality of construction projects. This paper analyzes the construction technology of concrete prefabricated residential buildings, further studies the advantages of the construction technology of prefabricated residential buildings, and analyzes the deficiencies in the current construction engineering, hoping to provide some help and reference value to relevant people and enterprises.展开更多
This paper first outlines the purpose of Se (simultaneous engineering) analysis and the basic skills required, then describes the main content and requirements of Se analysis of BIW, vehicle and parts, and finally dis...This paper first outlines the purpose of Se (simultaneous engineering) analysis and the basic skills required, then describes the main content and requirements of Se analysis of BIW, vehicle and parts, and finally discusses the design requirements of assembly technology for new models, so as to provide reference for relevant personnel.展开更多
文摘This paper introduces the common technical problems in the assembly process of gate valve, globe valve and swing check valve, analyzes the causes, and according to different reasons, gives the solutions and measures for the field assembly of valves. This paper introduces the pressure test inspection requirements of gate valves, globe valves and swing check valves and the determination of leakage methods. Introduce the common domestic and foreign standards for valve pressure test and leakage inspection.
文摘With the acceleration of urbanization, the scale of urban buildings is expanding day by day, and the requirements for construction efficiency, building function and quality are higher and higher. The development of construction technology has played a positive role in improving the efficiency and quality of construction projects. This paper analyzes the construction technology of concrete prefabricated residential buildings, further studies the advantages of the construction technology of prefabricated residential buildings, and analyzes the deficiencies in the current construction engineering, hoping to provide some help and reference value to relevant people and enterprises.
文摘This paper first outlines the purpose of Se (simultaneous engineering) analysis and the basic skills required, then describes the main content and requirements of Se analysis of BIW, vehicle and parts, and finally discusses the design requirements of assembly technology for new models, so as to provide reference for relevant personnel.
