In the complex steam-water, flue gas-air and pulverized coal pipeline systems of thermal power plants, thermal displacement of pipelines caused by drastic temperature changes is a core hidden danger threatening system safety. Backed by 14 years of technical accumulation in the pipeline support field, Yangzhou Tianshun Pipeline Technology Co., Ltd. has specially developed Thermal Power Plant Constant Spring Hanger for thermal power working conditions. Designed based on the principle of moment equilibrium, this product provides continuous constant supporting force when vertical thermal displacement occurs in pipelines, effectively absorbs and compensates for displacement stress, prevents pipelines and connected equipment from being damaged by additional stress, and ensures long-term safe operation of power plants.
| Constant Spring Hanger Spec Table | Example |
| Model / Series | PH, LH, CA, CS, TH |
| Load Capacity (Operating) | 0.1 kN - 500 kN |
| Total Travel | 50mm, 100mm, 200mm, 400mm |
| Actual Travel | Up to 600mm |
| Load Deviation (Tolerance) | ±5% (Standard) / ±3% (High Prec.) |
| Installation Position | Horizontal / Vertical |
| Housing Finish | Hot Dip Galvanized / Epoxy |
| Operating Temp. | -20°C to +80°C (Ambient) |
| Spring Coil Material | 60Si2Mn / 50CrVA |
| Load Adjustment Range | ±10% (Field Adjusting) |
Pipeline systems in thermal power plants have extremely high requirements for the reliability of supporting parts. When designing Thermal Power Plant Constant Spring Hanger, we have fully taken practical engineering pain points into consideration:
Elimination of additional stress: Within the specified load-displacement range, spring moment and load moment always maintain dynamic balance, avoiding pipeline deformation or joint leakage caused by thermal expansion and cold contraction.
Accurate cold-state setting: The manufacturer performs pre-compression setting strictly according to the installation load provided by users, and fixes the indicator plate at the theoretical cold-state working position through positioning blocks, ensuring the spring is temporarily in a rigid state during on-site installation and avoiding accidental stress during construction.
Intuitive operation and maintenance monitoring: The external displacement indicator plate design allows operation and maintenance personnel to intuitively check whether the displacement of the spring support under working load is consistent with the design after the pipeline is put into normal operation, facilitating preventive maintenance.
As key load-bearing components of large-scale infrastructure, the products follow strict specifications for factory delivery and on-site installation:
Factory locking mechanism: To prevent damage during transportation and installation, each unit is equipped with upper and lower positioning blocks before delivery, locking the spring at the installation load position.
Pre-commissioning verification: After pipeline cleaning and hydrostatic tests are completed, the positioning blocks must be removed before putting into use.
Anti-jamming design: Aiming at the problem of indicator plate skewing and jamming caused by the slope on the spring section, we have optimized the manufacturing process, and emphasize that a flat horizontal plane shall be ensured during installation to avoid failure of spring working tension due to inclined angles.
Rich thermal power project experience: The products are widely used in steam-water pipelines and boiler equipment suspension systems of thermal power plants at home and abroad, and have withstood the tests of multiple unit start-up and shutdown cycles.
Customized engineering support: We provide full-process technical services from pipeline stress calculation, type selection and matching to on-site installation guidance, ensuring that each support accurately matches the working conditions.
Stable supply chain delivery: Relying on automated production lines and complete testing equipment at our Jiangsu base, we ensure on-time and high-quality delivery of materials for large-batch thermal power projects.
Full life cycle support: We establish exclusive project files and provide condition assessment and replacement guidance during shutdown maintenance, reducing the operation and maintenance risks of power plants.
Yangzhou Tianshun Pipeline Technology Co., Ltd. is committed to providing stable and reliable pipeline support guarantee for global thermal power enterprises with high-standard Thermal Power Plant Constant Spring Hanger!
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