Blog

2026-4-20

Introduction to Labyrinth Seals with Comb-Tooth Profiles
A comb-tooth labyrinth seal is a type of steam seal designed to create a tortuous sealing passage. This structure constructs the sealing channel through an arrangement of multiple rows of comb-like te
2026-4-19

Graphite Sealing Ring: Technical Parameters and Performance
The fundamental physical parameters of graphite sealing rings include a density of 1.4–1.8 g/cm³ and a chemical resistance range applicable to pH values from 0 to 14. Their maximum operating tempera
2026-4-18

Introduction to Graphite Sealing Rings
Graphite sealing rings feature precise dimensions and controllable density, and contain absolutely no added fillers or binders. With a graphite purity exceeding 98%, they require no further anti-corro
2026-4-17

Functions and Optimization of Sootblower Sealing Devices
By scientifically designing the sealing device and implementing refined operation and maintenance protocols, the overall performance of steam sootblowers can be significantly enhanced, reducing the bo
2026-4-16

Air Preheater Sealing Retrofit Technology
Seal failure at the hot end of a rotary air preheater primarily stems from high-temperature deformation and wear. The operating temperature at the hot end typically ranges from 300°C to 400°C; at thes
2026-4-15

Unveiling CRLS Material for Air Preheater Seals
CRLS is a composite material specifically engineered for air preheater sealing applications, primarily composed of high-temperature-resistant alloys and specialized ceramic fibers. This material maint
2026-4-14

Advances in Aero-engine Sealing Technology
During aero-engine operation, sealing technology serves as a critical link—acting like a guardian to isolate the hot section, lubrication system, and fuel system from the external environment. Sealing
2026-4-13

Brush Seal Performance Parameters and Testing
The performance evaluation of brush seals involves parameters such as leakage rate, hysteresis characteristics, contact force between the brush bristles and the rotor, and friction and wear. Numerical
2026-4-12

Brush Seal Application Areas
The basic structure of a brush seal consists of a front plate, a back plate, and high-density, high-temperature alloy bristles sandwiched between them; these bristles are angled relative to the direct
2026-4-11

Brush Seal Manufacturing Process
The manufacturing process for brush seals primarily comprises steps such as brush filament drawing and heat treatment, tow fabrication, filament insertion, brush ring welding and heat treatment, brush
2026-4-10

History of Brush Seal Development
Conventional, standard-model brush seals suffer from issues such as bristle stiffening and hysteresis effects, which exacerbate wear on both the bristles and the mating surface (runner) and lead to in
2026-4-09

Definition of Brush Seals
Brush seals represent a highly efficient damping seal technology applied in turbomachinery. Originally developed for aircraft engines, their application subsequently expanded to fields such as industr

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