8613735866570
hgtypublic@chinaboilers.com
enLanguage
Hangguo:Your Professional Exhaust Stacks Manufacturer!
 

Hangzhou Hangguo General Equipment Co., Ltd. has been established since December, 2000. As a subsidiary of XIZI Clean Energy Equipment Manufacturing Co,.tld.（Stock code：002534）the Company specializes in the design and manufacture of auxiliary engine and heavy duty equipment for boilers. The company has produced 115 sets of flue gas bypass systems and 152 sets of flue gas baffle doors, covering all continents in the world.

 

 
 
Why Choose Us
 

Rich Experience
Hangguo has been developing, designing and manufacturing bypass systems for more than 20 years, the bypass systems of T130, FT8,5B, 6B, 6FA, 9E, 7FA, V94.2, SGT5-4000F, SGT5-5000F, 9F, 9HA, Sgt5-8000h and M701J have been successfully developed, designed and manufactured.

 

Our Products
Our products cover GE, Siemens, MHI,Ansaldobreda and other major gas engine suppliers of various main power generation, models, the company supplies 126 sets of gas engine bypass system, among them, 48 sets of 9F and above gas turbine bypass chimney supply performance.

 

High Quality
Our company has established a sound quality management system and passed the approval of ISO9000, ISO14000 and OHSAS18001 China quality certification center. The company has been awarded the title of "advanced enterprise of social responsibility" by hangzhou municipal people's government, and is the cultivation enterprise of hidden champion in yuhang district.

 

Advanced Equipment
Our company has advanced machining equipment, including CNC gantry cutting machine, horizontal 8-meter lathe, gantry planer, boring machine, hydraulic bending machine, automatic welding machine, CNC machining center and other advanced equipment, capable of processing various parts. In addition, it also has a large number of processing equipment such as lathe, milling, planing, grinding, boring, slotting machine, etc., which can meet the processing needs of various parts, as well as key equipment and facilities such as large shot blasting room and paint spraying room.

 

Advantages of Exhaust Stacks

 

 
 

Safety

Exhaust stacks ensure that hazardous exhaust contaminants are dispersed before they can harm building occupants or surrounding areas.

 
 

Environmental Protection

By directing exhaust upwards, exhaust stacks minimize the risk of localized pollution and contribute to better air quality.

 
 

Operational Efficiency

Proper exhaust stacks design can minimize energy consumption and improve overall system performance.

 
 

Compliance

Exhaust stacks help facilities meet air quality regulations and building code requirements.

 
 

Stack Effect Ventilation

Exhaust stacks can utilize the natural stack effect (temperature and gravity) for ventilation, reducing the need for mechanical systems and operating costs.

 
 

Reduced Indoor Contamination

Exhaust stacks help to remove and dilute airborne contaminants from the workplace, improving indoor air quality and worker safety.

 
 

Customization and Flexibility

Exhaust stacks can be designed to fit specific needs and can be prefabricated or built on-site.

 
 

Noise Reduction

Exhaust stacks can help to direct noise from industrial equipment away from sensitive areas.

 

Application of Exhaust Stacks

 

Catering Industry
The catering industry, especially commercial kitchens, is an example. Kitchen exhaust stacks are used to remove cooking odors, grease, and hot air from the kitchen. It is usually installed on the range hood. In this case, the duct is designed to resist grease accumulation and high temperatures, ensuring that the kitchen space is well ventilated and comfortable to work in.

 

Manufacturing Industry
Solid fuel exhaust stacks are often used in factories and manufacturing units. These ducts are used to remove fumes, harmful substances, and cold gases generated during the manufacturing process. Such ducts are usually heat-resistant and durable because they are designed to work in harsh environments and can withstand high levels of wear and tear.

 

Power Plants
Another scenario where exhaust stacks are used is power plants. These facilities install large flue gas exhaust ducts to remove exhaust gases from turbines and boilers. In this case, the ducts are usually equipped with special technologies, such as flue gas desulfurization systems, to reduce sulfur dioxide emissions to meet environmental standards.

 

Automotive Industry
The automotive industry also uses exhaust stacks. They are used in internal combustion engines to collect and guide exhaust gases out of the engine compartment. Such exhaust ducts are essential for vehicle performance and the safety and comfort of drivers and passengers. These ducts can be made of stainless steel to resist corrosion and high temperatures.

 

Building construction and fire protection systems
Exhaust stacks are also used in building construction and fire protection systems. For example, in tunnels and subways, smoke exhaust ducts are installed to ensure that smoke can be quickly evacuated in emergency situations such as fires. In high-rise buildings, smoke exhaust ducts are part of mechanical smoke control systems designed to confine and remove smoke during fires, ensuring that evacuation routes are clear and safe. These ducts are usually constructed of fire-resistant materials and can withstand high temperatures.

 

 

Smoke Stack Exhaust Kit For Bypass System

Components of Exhaust Stacks

 

 

Main Stack

This is the primary vertical structure that transports exhaust gases, often made of steel or stainless steel.

Accessories

Rain Caps: Protect the stack opening from rain and debris.
Ladders and Platforms: Facilitate access for inspection and maintenance.
Expansion Joints: Compensate for thermal expansion and contraction of the stack.
Test and CEMS Ports: Allow for sampling and monitoring of emissions.

Ductwork

Connects the stack to the source of exhaust gases, which may include various types of duct, depending on the application.

Silencers

Reduce noise pollution from the exhaust stream, especially in simple cycle systems.

Support Structures

Depending on the stack's size and design, it may require support structures or be free-standing.

 

Maintenance of Exhaust Stacks
 

Cleaning

Exhaust stacks should be cleaned regularly to prevent the buildup of soot, debris, and other contaminants. Depending on the type and level of dirt, either mild detergent solutions or specialized exhaust system cleaners can be used. High-pressure water and steam cleaning should be avoided as they may damage the stack's components.

Corrosion Protection

Corrosion is a common problem that shortens the lifespan of exhaust stacks. Therefore, appropriate measures should be taken to prevent it. For instance, stacks made of carbon steel should be coated with corrosion-resistant paints or coatings. Stacks made of stainless steel require regular polishing and cleaning to maintain their protective oxide layer.

Sealing and Insulation

Proper sealing and insulation are essential for exhaust stacks to prevent leaks and minimize heat loss. One should inspect the stack's insulation and sealing components regularly to ensure they are in good condition. Any damaged or worn-out insulation or sealing materials should be replaced promptly.

Emissions Control Components

Some exhaust stacks may be equipped with emissions control components. These components should be maintained and serviced according to the manufacturer's instructions to ensure optimal performance and compliance with emissions regulations. This may include tasks such as catalyst replacement, DPF cleaning, and SCR system maintenance.

 

 

Packaging and Shipping

 

productcate-924-869
productcate-924-869

 

 

Our Certificates

 

 

productcate-1-1

 

FAQ

 

Q: What are the common types of exhaust stacks?

A: There are several different types of exhaust stacks, including the straight exhaust stack, angled exhaust stack, dual-walled exhaust stack, and tapered exhaust stack. Each type has its own unique features and benefits.

Q: What materials are exhaust stacks made of?

A: Exhaust stacks can be made from a variety of materials, including stainless steel, aluminum, carbon steel, and cast iron. Each material has its own advantages and disadvantages in terms of durability, corrosion resistance, and cost.

Q: What is the purpose of a muffler on an exhaust stack?

A: A muffler is used to reduce noise produced by the engine exhaust. It works by dissipating sound waves and can also help improve exhaust flow.

Q: What is the function of the exhaust stack?

A: The exhaust stack helps ensure polluted exhaust is dispersed into the atmosphere before it can be re-entrained into building air intakes or settle on occupied areas such as building entrances or sidewalks.

Q: What are the requirements for exhaust stacks?

A: Discharge from exhaust stacks must have a velocity of at least 3,000 fpm. Achieving this velocity should not be done by the installation of a cone type reducer. The duct may be reduced, but the duct beyond the reduction should be of sufficient length to allow the air movement to return to a linear pattern.

Q: What are the benefits of exhaust stacks?

A: Exhaust stacks can make the sound of your exhaust much louder and deeper than an exhaust tip. Another reason is for looks. Stacks give a distinct look to a truck build you can't get with any other mod. Installing exhaust stacks onto your truck is a surefire way to make your truck stand out.

Q: What is the minimum height for exhaust stacks?

A: Vertical stacks of at least 10 ft in height are commonly used when the exhaust contains contaminants which are in concentrations above their allowable exposure level (ASHRAE 62.1 Class 4 air).

We're professional exhaust stacks manufacturers and suppliers in China for over 20 years, featured by good service and competitive price. We warmly welcome you to buy high quality exhaust stacks made in China here from our factory.

HRSG Bypass Stack System, Diverter Damper With High Sealing Performance, Exhaust Stacks
Send Inquiry