Your Professional Cluster Chimney Supplier
Tengshida (Hebei) Environmental Engineering Co., Ltd.Founded in 2015, Tengshida (Hebei) Environmental Engineering Co., Ltd. is headquartered in Hengshui City, Hebei Province. Our company specializes in the field of environmental engineering and is committed to providing solutions and services for environmental protection, sewage treatment, waste gas treatment, solid waste treatment, and related areas.Main Products Self-supporting chimneys, tower chimneys, sleeve chimneys, cluster chimneys, stainless steel chimneys, and fiberglass chimneys.
Our Certifications
The company holds 10 national patents, including several invention patents. We have passed ISO9001 Quality Management System and ISO14001 Environmental Management System certifications.
Production Market
Key customers include
- China ENFI Engineering Technology Co., Ltd.
- Sinochem Environment Atmospheric Governance Co., Ltd.
- Saiding Engineering Co., Ltd.
- China Railway 21st Bureau Group Second Engineering Co., Ltd.
- Sinopec Shanghai Engineering Co., Ltd.
- Taiyuan Boiler Group Electric Power Engineering Co., Ltd.
Our Service
Our after-sales service department consists of 3 dedicated personnel. Services include product installation guidance, technical support, system debugging, and training.
Service methods: Remote support, phone assistance, or on-site guidance.
Warranty period: As specified in the contract (12 to 36 months).
Product Parameters
|
Product Type |
Stainless Steel Multi-flue Chimney |
Sealing Technology |
Double-layer metal spiral wound gasket + high-temperature sealant |
|
Material Standard |
316L/904L Stainless Steel |
Smart Monitoring |
Optional temperature/pressure sensors |
|
Structure Type |
Multiple parallel pipes + common support frame |
Emission Standard |
Complies with ultra-low emissions |
|
Temperature Limit |
Single pipe withstands 600℃ |
Anti-corrosion Coating |
External sandblasting + fluorocarbon paint |
|
Pressure Rating |
-5kPa to +10kPa |
Maintenance Access |
Integrated rotating ladder + circular maintenance platform |
|
Seismic Design |
Pipe spring supports + damping absorbers |
Component Compatibility |
Direct connection with SCR/dust removal equipment supported |
|
Modular Design |
Individual pipes detachable |
Warranty |
Stainless steel pipes: 12 years / Support frame: 25 years |
|
Static Control |
Conductive inner coating |
Customization Advantage |
Supports multi-elevation special pipe layouts |
|
Diameter Range |
200mm-1200mm |
||
|
Height Range |
20m-150m |
Durability and Corrosion Resistance
Stainless steel's resistance to rust and corrosion makes it ideal for harsh industrial environments where exposure to moisture, fumes, and other corrosive byproducts is common.
High Temperature Tolerance
Many industrial applications require chimneys that can withstand high temperatures. Stainless steel can handle the heat generated by industrial processes, ensuring safety and preventing damage to the chimney.
Versatility
Stainless steel chimneys can be used for various fuels, including gas, oil, and wood-burning appliances, making them versatile solutions for different industrial needs.
Applications
Power Plants
Stainless steel chimneys are used to vent exhaust gases from power plants.
Chemical Plants
They are used in chemical plants to handle corrosive exhaust gases.
Incineration Facilities
Stainless steel chimneys are designed to handle the high temperatures and corrosive byproducts of waste incineration.
Other Industries
They are also used in refineries, mining industries, and food processing industries.
Industrial stainless steel chimneys are often designed with specific requirements in mind, such as height, diameter, and wall thickness, to meet the specific needs of each industrial process. Many manufacturers also offer turnkey installation services.
Safety and Compliance:
Industrial chimneys must comply with environmental regulations and safety standards.
Maintenance:
Stainless steel chimneys generally require less maintenance than other materials, but regular cleaning and inspection are still recommended to ensure optimal performance and safety.
Cost:
Stainless steel chimneys can be more expensive than other materials, but their durability and long lifespan can result in lower long-term costs.
Manufacturing Process of Stainless Steel Chimneys
Stainless steel chimneys are widely used in various industries due to their excellent corrosion resistance, heat resistance, and durability. The manufacturing process involves several critical steps, each contributing to the final product's quality and performance.
Material Preparation
The foundation of a high-quality stainless steel chimney lies in the selection of appropriate materials. Common grades include 304 and 316L stainless steel, known for their excellent corrosion resistance and strength.
Raw materials such as iron, chromium, nickel, and other alloying elements are carefully blended in specific proportions to achieve the desired properties. These raw materials are transported to a blast furnace for smelting and then processed into stainless steel blanks. After heat treatment—which significantly affects the microstructure and performance—these blanks are rolled into stainless steel plates, strips, or pipes.
Before use, the materials undergo rigorous quality checks to ensure they meet design requirements for tensile strength, elongation, yield strength, cold bending performance, and allowable limits for elements like carbon (C), sulfur (S), and phosphorus (P). Only materials that pass inspection are accepted and properly stored, with color coding used to distinguish between different material types.
Cutting and Shaping
Once approved, the stainless steel plates are cut and shaped using advanced equipment such as precision shears and automatic cutting machines. Plates are cut according to design drawings, and the cutting surfaces must be flat, smooth, and free of burrs or grooves.
Next, the materials are rolled into cylindrical shapes using a roll-bending machine, and the edges are beveled to prepare for welding. Careful alignment ensures roundness and straightness of the chimney body—critical for both structural integrity and visual appearance.
Welding
Welding is a key step in the chimney manufacturing process. The inner and outer layers are assembled and pre-positioned based on design drawings, then welded using appropriate techniques, depending on the material thickness and project requirements.
Welds must be strong, clean, and free from defects such as porosity or lack of fusion. Post-welding inspection includes visual checks, non-destructive testing methods (e.g., ultrasonic or radiographic testing), and in some cases, destructive testing to verify weld integrity.
Insulation and Finishing
To enhance thermal insulation, materials such as rock wool or silicate are filled between the inner and outer layers. This minimizes heat loss and improves energy efficiency.
The welded seams are then polished to ensure a smooth, aesthetically pleasing surface, while also improving corrosion resistance. The exterior surface undergoes further treatment to remove oxides, stains, or impurities, ensuring a clean and professional finish.
Quality Control and Testing
Strict quality control is maintained throughout the entire production process. This includes inspections at each manufacturing stage and comprehensive testing of the finished products.
Finished chimneys undergo multiple tests, including:
Mechanical performance testing
Chemical composition analysis
Corrosion resistance testing
Metallographic analysis
These tests ensure that the chimneys meet all specifications for strength, durability, and environmental resistance.
Installation
Installing stainless steel chimneys requires careful planning and execution. A foundation is designed and constructed based on the chimney’s size and weight to ensure structural stability.
The chimney is lifted into place using cranes or other appropriate equipment. Once positioned, it is aligned and securely welded or bolted to the foundation, ensuring safety and long-term performance.
Our Certificate
As one of the leading cluster chimney manufacturers and suppliers in China, we warmly welcome you to buy high quality cluster chimney for sale here from our factory. Good service and reasonable price are available.
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