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Double-Teeth Turbulence Steam Seal

The double-tooth turbulence steam seal is developed on the basis of the conventional labyrinth steam seal. Without altering the external shape or dimensions of the original labyrinth steam seal, it incorporates turbulence steam inlets and turbulence teeth into the labyrinth cavity. Throug…

MSCF Labyrinth Steam Seal

Application Range Various types of steam turbine shaft end seals, balance piston seals, diaphragm seals, and blade tip seals. Partial Performance of Labyrinth Steam Seal Customer Name Unit Information CHN Energy Fuquan Power Generation Co., Ltd. 660MW Huaneng Gansu Energy Developm…

HYT Lifting Hole Platform

HYT Lifting Hole Platform During maintenance and construction work in power plants, it is often necessary to frequently open the covers of lifting holes to lift equipment located below the turbine platform. The original covers are relatively heavy and cumbersome to open, requiring overhea…

The Inauguration Ceremony of HuaYuTong’s New Plant Was Successfully Held

The Inauguration Ceremony of HuaYuTong‘s New Plant in the Development Zone Was Successfully Completed! New plant, new look. We will surely contribute to the power industry with stronger products and better services. HuaYuTong is always on the move. We look forward to walking this p…

Air Preheater Maintenance and Seal Retrofit

Maintenance Scope Installation and adjustment of radial, axial and circumferential (bypass) sealing assemblies Maintenance, installation and adjustment of central cylinder seals Maintenance, installation and adjustment of cold & hot end sector plates (including static seals and ad…

Huadian factory’s split surface repair slotting project

Datang factory shaft neck repair project

Before neck repair Neck repair in progress Comparison of Neck Repair Neck repair completed

Huaneng factory’s reversing oil barrier renovation project

Datang factory air preheater compartment partition renovation project

Transportation On-site installation Commendation Letter for Air Preheater Renovation

Detailed Explanation of HuaYuTong Intelligent Simulation Computer Visualization Technology

Combined Oil Blocking

The combined oil blocking adopts a structure that integrates a reduced-diameter type, a movable (floating) type, and a labyrinth type. The reduced-diameter structure ensures gapless operation between the adjustable automatic tracking teeth inside the oil blocking and the rotating componen…

Return-Type Oil Blocking

Conventional labyrinth-type oil blocking rings for rotating equipment suffer from poor sealing performance, frequently resulting in oil seepage and leakage. These issues severely compromise the safe operation of the equipment, hinder safe and orderly production, and may even cause a fire.…

Airtight-Type Oil Blocking

Airtight-Type Oil Blocking The new-generation airtight-type oil blocking incorporates internationally advanced technology to ensure optimal sealing performance. It thoroughly resolves the issues of water ingress into the oil system and oil emulsification in steam turbine units. At the sam…

Sealing Strip

After five to six years of operation, steam turbine units in thermal power plants generally require overhaul with cylinder uncovering, during which damaged steam seals and sealing strips are replaced, repaired, or adjusted for clearance. Our company undertakes various types of steam seal …

Vortex Side-Tooth Steam Seal

The Vortex Side-Tooth Steam Seal features a vortex chamber on the steam seal body. Small teeth are machined inside the vortex chamber. The high teeth on the steam seal ring are machined as side teeth, while the low teeth are machined as inclined turbulence teeth. High-temperature, high-pr…