Boiler steaming-water pipe or in steam-water
spring is mainly used for power equipment, the thermal displacement and its equipment in the operation of the device.
Calculated and determined according to the pipeline stress situation of the work and the thermal displacement steam-water spring requirements, our factory will be carried out in accordance with the design load setting steam-water spring: spring preloading and set by the cold load position;
At the same time, the theoretical working position to be in the cold.
steam-water variable spring is mainly composed of cylindrical helical spring, displacement dashboards, shell and parts such as elastic nut.
steam-water variable spring according to the different methods of installation, can be divided into A, B, C, D, E, F, G seven type.
type A -
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-
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On the thread type suspension;
B -
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Single ear suspension type;
- C type
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Ears hanging type;
- D type
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-
- - - - - -
On the adjusting suspended type;
E -
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Under the adjusting suspended type;
F -
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Support on type;
- G type
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Parallel suspension type;
steam-water pipe spring pipe bracket structure form of design and selection is an important part in the design of pipe system, pipe bracket in addition to support the piping weight, constant force spring hanger, special pipe bracket can balance the piping forces, limit line displacement and absorption of vibration, steam-water VS spring, in the pipe system design, reasonable structure of the pipe bracket, correct selection and arrangement, can improve the stress distribution of the pipeline and the force of pipe rack, ensure the safe operation of the pipe system, and extend its service life.
the purpose and scope of application:
this standard applies to the displacement range for VS (
0~180mm)
TD (
0 ~ 120毫米)
, load range is 154 ~ 217384 n, using temperature range -
Steam-water variable spring of 20 ℃ ~ 200 ℃.
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