Water tube boilers are one of the two main types of industrial boilers. They are industrial boilers in which the combustion chamber and heating surfaces are located outside the drum, causing water and steam to flow inside the tubes. There are various types of water tube boilers based on their functionality and fuel types.
ZOZEN, a renowned company in the boiler industry, offers a wide range of water tube boiler products.
One of their remarkable types of water tube boilers is the SZS series oil/gas saturated/superheated steam water tube boiler. It features a dual-drum, vertical arrangement, and a D-type layout structure. Here are some key highlights of this product:
- Large Capacity: As one of the types of water tube boiler and starting from 2t/h, the SZS water tube boiler can reach a maximum capacity of 110t/h, capable of withstanding higher pressures and temperatures.
- Rapid Steam Generation: As one of the types of water tube boiler, the SZS water tube boiler generates steam quickly and can produce saturated or superheated steam as per the application requirements.
- Advanced Design: It adopts a full-membrane water-cooled wall structure with a well-designed steam drum size and steam-water separator configuration, reducing steam carryover and improving steam quality.
- High Thermal Efficiency: With a thermal efficiency greater than 98%, the SZS water tube boiler incorporates a membrane water-cooled wall and a large furnace design to enhance heat transfer efficiency, while the economizer reduces flue gas temperature.
- Environmentally Friendly and Energy Efficient: It utilizes low NOx burners and advanced low NOx combustion technology, ensuring NOx emissions are kept below 30mg/Nm³.
Another remarkable types of water tube boiler offered by ZOZEN is the SZL series biomass/coal-fired steam water tube boiler. Designed based on international advanced technology and experience, it features a horizontal dual-drum, vertical arrangement structure. Here are its notable features:
- Fuel Versatility: As one of the types of water tube boiler, the SZL water tube boiler can adapt to a wide range of fuels. It is suitable for biomass fuels such as biomass molded pellets, straw, wood chips, corn cobs, sawdust, palm shells, rice husks, as well as coal fuels such as bituminous coal, lean coal, and anthracite.
- Optimal Combustion: As one of the types of water tube boiler, the boiler incorporates a rational layout of primary and secondary air, ensuring the optimal excess air volume in the furnace and temperature in various combustion zones. This facilitates the complete combustion of 70% of the volatile content generated during biomass drying and cracking, achieving thorough carbon burnout and minimizing the formation of black smoke and pollutant emissions.
- Customizable Boiler Systems: ZOZEN offers customized different types of water tube boiler systems tailored to the specific operational conditions of customers. These systems can be equipped with economizers, bag filters, electrostatic precipitators, and other environmental protection devices as per the user’s requirements.
- Efficient Fuel Feeding: The biomass boiler features uniform fuel feeding to prevent backfiring, and the speed reducer is designed with a reasonable speed according to the combustion rate of biomass fuel.
ZOZEN has successfully provided an SZL series coal-fired steam water tube boiler system, one of the types of water tube boiler, to the Pakistan feed industry. The company, based on the customer’s request for a combination of “lignite coal + rice husk” as fuel, conducted a reasonable design for the fuel hopper, grate width, length, etc., and customized an SZL series coal-fired steam water tube boiler system that perfectly suited their production line requirements. The customer feedback highlighted ZOZEN as a highly responsible company, and their cooperation was efficient and straightforward. Thanks to ZOZEN’s assistance, the customer was able to save a significant amount on operating costs.
With over 30 years of experience, ZOZEN was founded in 1988. The company has been dedicated to boiler research, design, manufacturing, and services. It has established collaborations with prestigious institutions such as Tsinghua University, Xi’an Jiaotong University, and Shanghai Jiao Tong University. ZOZEN has provided products and services to more than 15,000 enterprises worldwide and has expanded its market to over 100 countries and regions. Through decades of accumulation, ZOZEN’s different types of water tube boilers have gained a reputation for safety, stability, high steam quality, large capacity, and energy efficiency.
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