Natural Circulation Boiler: ZOZEN’s Breakthrough in Technology and Product Excellence

Introduction

Natural circulation boiler technology, driven by the density difference and height between the water in the downcomer and the steam-water mixture in the furnace’s riser, has gained prominence in the industrial boiler sector. By utilizing this principle, natural circulation boilers eliminate the energy consumption and potential failure risks associated with mechanical pumps. ZOZEN, a leading industrial boiler manufacturer, has made significant advancements in natural circulation boiler technology, enhancing thermal efficiency and energy utilization through research and innovation.

Part 1: Principles and Advantages of Natural Circulation Boiler Technology

Natural circulation boilers rely on the density difference and pressure differentials generated by the water and steam-water mixture in the downcomer and riser, respectively, to drive water circulation. This design eliminates the need for mechanical pumps, resulting in energy savings and reduced risk of pump failures. ZOZEN’s expertise in natural circulation boiler technology has enabled them to optimize the circulation process, improving heat transfer efficiency and overall performance.

Part 2: ZOZEN’s Natural Circulation Boiler Products

ZOZEN offers a comprehensive range of natural circulation boilers, each designed with specific features to cater to diverse fuel types and industry requirements. These boilers are known for their high efficiency, energy-saving capabilities, and environmental friendliness. Let’s explore the key characteristics of ZOZEN’s natural circulation boiler products:

WNS Series (Oil and Gas Fuel):
The WNS series natural circulation boiler is a three-pass wet-back oil/gas-fired boiler. It boasts a thermal capacity ranging from 1 to 20 t/h and a working pressure between 0.7 and 2 MPa. Equipped with an advanced control system, this boiler can operate unmanned, ensuring convenience and efficiency in operation.

SZS Series (Oil and Gas Fuel):
The SZS series natural circulation boiler features a double drum, horizontal, D-type layout. It offers a wide thermal capacity range from 2 to 110 t/h, with a working pressure between 1.25 and 5.3 MPa. The boiler’s membrane water-cooled wall and large furnace design enhance heat transfer efficiency, making it an ideal choice for various industrial applications.

SZL Series (Biomass and Coal Fuel):
Designed for biomass and coal fuel, the SZL series natural circulation boiler adopts a horizontal double drum chain grate water tube structure. With a thermal capacity ranging from 6 to 35 t/h and a working pressure between 1 and 2.5 MPa, this boiler ensures efficient and reliable performance. The furnace is equipped with densely arranged water-cooled walls, providing a large radiation area for optimal heat transfer.

DZL Series (Biomass and Coal Fuel):
The DZL series natural circulation boiler adopts a horizontal three-pass water-fire pipe chain grate design. It is available with a thermal capacity of 2 to 10 t/h and a working pressure between 1 and 2.5 MPa. The lightweight chain grate combustion equipment and quick assembly design ensure convenient installation and operation.

DHL Series (Biomass Fuel):
The DHL series natural circulation boiler features a corner tube design. With a thermal capacity ranging from 20 to 75 t/h and a working pressure between 1.25 and 5.4 MPa, it delivers efficient and reliable performance. The boiler incorporates a beam-type chain grate and membrane water-cooled wall structure, ensuring thorough fuel combustion.

In addition to the above models, ZOZEN has also independently developed a biomass boiler with proprietary intellectual property:

DZL Series (Biomass Fuel):
The DZL series horizontal non-clogging biomass steam boiler has a thermal capacity of 15 to 40 t/h and a working pressure between 1.25 and 2.5 MPa. Equipped with an ash blowing device at the boiler’s rear and blowing orifices on the top, it enables ash cleaning without the need to shut down the boiler.

Part 3: Design Features, Working Principles, and Key Components

ZOZEN’s natural circulation boilers excel in their design features, working principles, and key components. With their high efficiency, energy-saving capabilities, and environmental friendliness, these boilers fulfill customers’ heat energy demands while reducing energy consumption. The simplified structure and stable operation of natural circulation boilers also contribute to lower maintenance costs and minimized risks of failures.

Part 4: ZOZEN as a Reliable Partner

As a reliable partner, ZOZEN offers comprehensive technical support and after-sales services. With their expertise in natural circulation boiler technology, ZOZEN ensures customer satisfaction and provides efficient solutions for various industrial applications.

Conclusion

ZOZEN’s breakthroughs in natural circulation boiler technology have resulted in efficient and eco-friendly solutions for industrial heating needs. With a wide range of product offerings and a commitment to research and innovation, ZOZEN continues to lead the industry in delivering high-performance natural circulation boilers. As a trusted partner, ZOZEN provides reliable technical support and after-sales services to meet the diverse requirements of its customers.