The installation of the corrugated compensator and its use:
(1)The compensator should be checked before installation for its model, specification and piping configuration, which must be in accordance with the design requirements.
(2)The compensator with inner sleeve should pay attention to make the direction of the inner sleeve with the direction of media flow, hinge type compensator hinge rotation plane should be consistent with the displacement rotation plane.
(3) need to carry out "cold tight" compensator, pre-deformation of the auxiliary components should be used in the pipeline installation is completed before removal.
(4) It is strictly prohibited to use corrugated compensator deformation method to adjust the installation of pipeline overshoot, so as not to affect the normal function of the compensator, reduce the service life and increase the pipeline system, equipment, supporting components of the load.
(5) During the installation process, the welding slag is not allowed to splash the surface of the wave shell, and the wave shell is not allowed to suffer other mechanical damage.
(6) after the installation of the pipe system, should be removed as soon as possible after the installation of corrugated compensator used for the installation and transportation of yellow auxiliary positioning components and fasteners, and according to the design requirements of the limiting device to the specified position, so that the pipe system in the environmental conditions of the compensating capacity of the full.
(7) compensator all the activities of the elements shall not be external components jammed or limit the scope of its activities, should ensure that the normal action of the activities of the parts.
(8) hydrostatic test, should be equipped with compensator pipeline end of the sub-fixed pipe frame for reinforcement, so that the pipeline does not move or rotate. For gas media compensator and its connecting pipeline, pay attention to the water filling whether it is necessary to set up additional temporary support. Hydraulic test water cleaning solution of 96 chlorine ion content does not exceed 25PPM.
(9) after the end of the hydraulic test, should be drained as soon as possible in the wave shell of water, and quickly blow dry the inner surface of the wave shell.
(10) The insulation material in contact with the compensator bellows should be free of chlorine.
Extended information:
1, use: the corrugated compensator is a modern flexible Pipe system design in an important part of the system, it is vital to the safety of the entire pipe system, normal operation. The quality of the compensator itself is guaranteed by the manufacturer, but more importantly, it must be carried out in accordance with certain requirements throughout the transportation, installation and pressure testing process to avoid unnecessary losses.
2, advantage: because many pipelines in the operation of the process of displacement, the displacement of the elimination of the need to rely on a certain means of compensation, in the past, the practice is usually used in the natural compensation method.
With the continuous development of technology, corrugated compensator gradually replace the original natural compensation method is widely used. In the steam pipeline of Nanjing Newport Development Zone, corrugated compensators are used in large quantities. Compared with the natural compensation, the corrugated compensator has the advantages of large compensation volume, small footprint and beautiful appearance.
3, types: commonly used compensators are the following:
Transverse large rod corrugated compensator, rotary compensator, axial sleeve barrel compensator. Transverse large rod corrugated compensator is generally used in the same straight section of the pipeline compensation, in the middle of the two fixed bracket, vertical or horizontal installation of two transverse large rod corrugated compensator, pipeline displacement from the two ends of the fixed bracket to the middle of the growing, to the middle of the transverse large rod corrugated compensator will be eliminated through the displacement of the two compensators in the middle of the establishment of a fixed bracket.
Rotary compensator is generally used for compensation of large displacements between pipes of different axes or between the same axis.
Axial barrel compensator is generally used for compensation between straight pipelines, but the pipeline is not easy to ascend or horizontal bending.
The latter two compensator compensation principle with transverse large rod corrugated compensator. In this article will be based on the steam pipeline, focusing on the transverse large rod corrugated compensator.
Baidu Encyclopedia ? _Bellowed Compensator