Boiler Chain Grate

Boiler Circulation Pump for Sale At Best Price

  • Various pump models integrated Into Boiler System
  • Maintains a steady temperature in the boiler
  • Efficient heat transfer and faster heating response
  • Energy saving by optimal water circulation
  • Decrease boiler overheating and ensured system reliability
  • Great Factory Price


Boiler chain grate, also known as coal boiler grates, wood boiler grates or boiler grate boiler, is the key boiler equipment a cast iron mechanism in the furnace where fuel is burned. It enables automatic coal feeding and slag removal. The grate surface is the area where the fire rests, allowing air to pass for combustion in coal or wood-fired boilers. EPCB offers high quality and high performance boiler chain grate for your coal, biomass or wood fired boiler system.

1. What Is A Boiler Chain Grate?

A boiler chain grate is a mechanical stoker mechanism used in furnaces or steam generators to continuously and evenly supply solid fuel, such as coal, biomass, or other solid fuels, onto a moving grate or chain. This technology is widely employed in industrial boilers to efficiently burn solid fuels and generate heat or steam.

The chain grate type stoker system in boilers allows for the combustion of a wide range of biomass fuels with high ash contents in an efficient manner, with the added benefit of automatic de-ashing. This design offers several advantages compared to standard water tube boilers. It features a much larger steam disengagement area, resulting in high-quality steam production. Additionally, it has a larger steam storage capacity, enabling a quicker response to sudden steam demand. Moreover, the boiler chain grate provides a much larger thermal storage capacity, ensuring fast demand response times and safer operation.

EPCB boiler chain grate system offers enhanced efficiency, flexibility in fuel selection, and improved safety features, making it a preferred choice for industrial applications.

wood boiler grates price

2. What Are Types Of Boiler Grate?

There are several types of boiler grates available, with EPCB grate boilers offering a range of options. These include chain grate, travelling grate, reciprocating grate, dumping grate, and fixed grate. Each type of grate has its own unique design and operation, catering to different fuel types and combustion requirements.

The boiler chain grate is a common type, where fuel is continuously fed onto a moving grate. The travelling grate moves fuel along the grate surface, while the reciprocating grate features back-and-forth motion. Dumping grates allow for the manual or automatic dumping of fuel ash, and fixed grates provide a stable platform for fuel combustion.

The selection of a specific boiler grate type depends on factors such as the type of fuel being used, combustion efficiency requirements, and the desired level of automation. By offering various grate options, EPCB provides flexibility to customers in choosing the most suitable grate for their boiler system.

3. How Does A Boiler Chain Grate Work?

The chain grate in a boiler serves a crucial role in providing a stable platform for the fuel bed, facilitating the flow of air through the fuel bed to support combustion. As the fuel moves along the chain grate, it goes through stages of drying, ignition, and combustion, releasing heat energy that is transferred to the boiler’s water or steam circulating system.

The design and operation of chain grates can vary based on the specific requirements of the boiler and the type of fuel being burned. It is vital to properly maintain and adjust the chain grate to ensure optimal combustion efficiency and prevent operational issues such as uneven burning, clinker formation, and grate blockages.

In a chain boiler, the coal is fed from the front of the grate and moved backward. Simultaneously, air flows from the bottom up into the furnace. As the furnace continually moves backward, a sequence of fire, combustion, and burning stages occurs. Traveling or chain grate stokers feed coal onto a rotating metal belt that supports the fire. Solid fuel is supplied from a hopper, and the grate speed is automatically controlled to maintain the desired steam pressure. Burning progresses as the belt moves from the front to the back of the furnace. Combustion is essentially completed at the back end of the belt, and the resulting ash is dumped into an ash pit.

Proper operation and maintenance of the chain grate system are essential for efficient and effective boiler performance.

fire grate for back boiler
coal boiler grates chain

4. What Are Advantages of EPCB Boiler Circulation Pump?

Boiler circulation pumps offer several advantages that contribute to the efficient and effective operation of boiler systems.

4.1 Efficient Heat Transfer

Boiler circulation pump improves heat transfer by continuously circulating water through the boiler and heating elements. This promotes even heat distribution, minimizing the risk of hotspots and enhancing overall system performance.

4.2 Faster Heating Response

Circulation boiler pumps provide a faster heating response. When the thermostat signals the need for heat, the pump quickly circulates water through the system, resulting in rapid heating and better temperature control.

4.3 Decrease Energy Consumption

Best circulator pump for boiler contributes to energy savings. By optimizing heat distribution and maintaining a consistent temperature throughout the system, they prevent unnecessary energy consumption, leading to reduced operating costs.

4.4 Minimized Risk of Boiler Overheating

Boiler recirculation pump assists in preventing boiler overheating. They maintain a constant flow of water through the heating elements, ensuring the temperature remains within a safe operating range and protecting the boiler from potential damage.

4.5 Enhanced System Reliability

Boiler circulation pumps are built to be durable and reliable, capable of handling the demands of a hydronic heating system. This enhances the overall reliability of the system and ensures long-lasting performance.

The advantages of boiler circulation pumps include improved heat transfer, faster heating response, reduced energy consumption, prevention of boiler scaling, minimized risk of overheating, and enhanced system reliability.

5. What Are Advantages of EPCB Boiler Chain Grate?

The mechanization of boiler operation has significantly reduced the labor intensity for furnace workers. Many chain grate boilers are designed as quick-loading furnaces, making installation and movement convenient while also saving on capital investment. Additionally, these boilers have fewer rotating components and simplified fuel preparation.

The boiler chain grate structure is well-designed, ensuring a reasonable grate gap that allows for maximum ventilation without any fuel leakage. This promotes the complete combustion of fuel, maximizing efficiency. The presence of a coal gate allows for control over fuel thickness, enabling better combustion based on fuel and combustion conditions.

These boilers offer a high degree of automation, liberating the labor force and helping enterprises save on labor costs. With a 1-year quality assurance and 24-hour after-sales service, customers can rely on continuous support. Our commitment to lifelong service ensures that any operational questions can be promptly answered.

The use of high-quality, high-temperature resistant cast iron in these boilers ensures durability and longevity. Overall, our chain grate boilers provide efficient and reliable performance, backed by our dedication to customer satisfaction.

6. What Fules Can Boiler Chain Grate Burn?

EPCB boiler chain grates are designed to efficiently burn a wide range of biomass fuels, including woody fuels, forestry residues, mill residues, agricultural residues, urban wood and yard wastes, dedicated biomass crops, chemical recovery fuels, and animal wastes. We understand the importance of utilizing renewable and sustainable fuel sources, and our grates are specifically engineered to accommodate these diverse biomass materials.

With our high-quality grates, you can effectively harness the energy potential of these biomass fuels, promoting clean and environmentally friendly combustion. Our grates ensure optimal airflow and fuel distribution, facilitating complete combustion and maximizing thermal efficiency.

Whether you’re looking to utilize woody biomass from forests, agricultural residues from farming operations, or animal waste from livestock facilities, our grates offer excellent performance and reliability. We are committed to helping you make the most of these valuable biomass resources, contributing to a greener and more sustainable energy future.

With our expertise and dedication to customer satisfaction, we are ready to assist you in optimizing your biomass fuel combustion processes for efficient energy generation.

About EPCB Boiler

As the leading industrial boiler manufacturer and supplier, EPCB Steam Boiler delivers complete line of best quality products and solutions to worldwide customers.

If you have any problems or inquiries, don’t hesitate to contact us.

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