A Guide to Fiberglass Reinforced Plastic (FRP) Liners & Stacks

A Guide to Fiberglass Reinforced Plastic (FRP) Liners & Stacks

A Guide to Fiberglass Reinforced Plastic (FRP) Liners & Stacks

FRP StackFiberglass Reinforced Plastic stacks and liners are state-of-the-art products that have been proven to last for decades, making them a popular choice for industrial chimney liner upgrades or reconstruction.

Fiberglass as excellent material properties that ensure a long lifetime and require extremely little maintenance. FRP is corrosion resistant, lightweight, high temperature-resistant and mechanically strong – all of which are perfect construction characteristics for a high-use industrial chimney.

 

FRP Liners

Coal-fired power plants in particular can benefit from switching from concrete or steel chimneys to fiberglass. FRP chimneys prove to be the top choice for long term solutions because they provide superior corrosion resistance in wet acid and elevated chloride environments. FRP liners can be either top supported near the chimney’s outlet and allowed to expand downward, or they can be bottom support and allowed to expand upward toward the outlet.

FRP liners are assembled as cylindrical elements with circular cross-sections, joined together with bolts, bell & spigot, or butt joints. In general, the FRP sections are filament-wound and usually constructed in  a factory, however, these sections can be fabricated on location if necessary. There is 4 basic layers of an FRP liner. The inner/base layer is resin rich and contains carbon black fillers. The second layer contains resin with higher glass content than the base layer. The third layer is the structural wall and is a matrix of filament-wound glass and chopped-strand. The outer layer is designed to provide exterior protection from corrosive elements and UV light.

FRP Stacks

Many plants and facilities have been rebuilding stacks or replacing demoed stacks with FRP stacks. There are plenty of advantages that come with choosing fiberglass reinforced plastic, including:

  • High resistance in wet acid environments
  • Smooth assembly and installation
  • Lightweight, yet strong
  • Self-supporting, guided support or steel support options
  • Long lifespan & useful life
  • Conductive inside surface for electrostatic protection
  • Low mainteancne
  • Low installation/assembly costs compared to steel

With a reputation for low maintenance and relatively stable cost, FRP provides plant owners with a reliable, cost-effective alternative that can be employed in numerous industrial
applications from scrubbers and stack liners to piping and wastewater treatment. Contact our rope access specialists to find out more about the custom-engineered solutions we can provide for your FRP stack or liner system.

Strength Training Fitness Equipment

There are many types of fitness equipment for strength training, mainly including the following categories:
1. Rower: mainly used to enhance arm strength, latissimus dorsi muscle, and coordination of movements. ‌
2. Fitness exercise machine: Provides different exercise modes and a completely zero impact experience, similar to freely switching between climbing stairs, walking, jogging, and long-distance running, and can adjust training modes to target specific muscle groups. ‌
3. Elliptical machine: Through smooth and fluent motion trajectories and patented cross slope technology, users can exercise muscle groups in a biomechanical posture, increasing the diversity and effectiveness of exercise while reducing muscle strain. ‌
4. Fitness bike: simulates the movement of riding a bicycle, mainly used to enhance leg strength and cardiovascular function. ‌
5. Stepper and Tonic Wheel: Used for aerobic and abdominal training to improve cardiovascular function and reduce abdominal fat. ‌
6. Dumbbells and kettlebells: Perform weight training to enhance muscle strength and endurance. ‌
7. Horizontal bar: Conduct upward pull training to strengthen upper limb strength. ‌
8. Comprehensive training equipment: such as dragon gate frames, multifunctional strength training machines, etc., providing multiple training functions, suitable for use in home and commercial gyms. ‌

9.Lying press artifact and pull-up device: used for chest and arm strength training, suitable for home use. ‌

These fitness equipment can be selected and used according to individual needs and fitness goals, which helps to comprehensively improve physical fitness.

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Xuzhou Hongxing Gym Equipment Co., Ltd , https://www.hxyfitness.com