Your Essential Steam Boiler Catalogue – A Guide to Smart Industrial Selection

Selecting the right industrial boiler is a major decision that impacts energy costs, production efficiency, and long-term reliability. At the heart of this decision lies a critical tool: the steam boiler catalogue. A well-organized steam boiler catalogue serves as a roadmap for engineers, procurement managers, and plant operators, helping them compare technical data, evaluate performance metrics, and ultimately make an informed purchase.

Part 1: Why a Steam Boiler Catalogue is Essential for Industrial Procurement?

A steam boiler catalogue is far more than a simple list of products. It is a technical document that provides detailed specifications, performance data, and design features for each boiler model. For any industrial buyer, a steam boiler catalogue is the first and most reliable tool for conducting price comparisons, evaluating technical parameters, and shortlisting suitable equipment. Without a clear steam boiler catalogue, buyers risk making decisions based on incomplete or inaccurate information, which can lead to costly mistakes such as oversizing, undersizing, or selecting incompatible fuel types.

A comprehensive steam boiler catalogue allows you to compare critical factors across different models, such as thermal capacity, working pressure, fuel flexibility, and thermal efficiency. For example, ZOZEN’s steam boiler catalogue clearly lists these parameters for each series, enabling buyers to quickly identify which boilers meet their specific requirements. Furthermore, a good steam boiler catalogue includes information about emission compliance, maintenance access, and delivery options, all of which influence total cost of ownership. In short, investing time in studying a steam boiler catalogue before making a purchase can save significant operational expenses over the life of the equipment.

Part 2: ZOZEN’s Steam Boiler Catalogue

ZOZEN’s steam boiler catalogue covers a wide range of industrial boiler types, each designed for specific applications and fuel sources. Below is the main product catalogue of ZOZEN steam boilers.

Gas and Oil Fired Steam Boilers

For facilities using natural gas, diesel, heavy oil, or other liquid and gaseous fuels, ZOZEN offers two main series.

WNS Series – Horizontal Fire Tube Boiler

The WNS series is a gas and oil fired horizontal fire tube boiler with a three-pass wetback design. This series offers a thermal capacity of 1 to 20 t/h, a working pressure of 0.7 to 2 MPa, and a saturated steam temperature ranging from 170°C to 204°C. It is designed for natural gas, coke oven gas, biogas, diesel, heavy oil, and light oil. This steam boiler achieves a thermal efficiency of >98% through its corrugated furnace, threaded smoke tubes, and optional economizer and condenser. The WNS series is ideal for food processing, textile mills, chemical plants, and hospitals.

SZS Series – Water Tube Boiler

For larger steam demands, the most suitable product is the SZS series water tube boiler. This series features a double drum, longitudinal “D” type chamber structure with a membrane water-cooled wall. The thermal capacity ranges from 2 to 110 t/h, with a working pressure of 1.25 to 5.3 MPa and a steam temperature from 194°C up to 540°C. It is compatible with natural gas, coke oven gas, blast furnace gas, biogas, diesel, and heavy oil. The SZS series achieves >98% thermal efficiency and NOx emissions as low as 30 mg/Nm³, making it suitable for heat supplying, chemical, food, textile, printing and dyeing, cigarettes and tobacco, fodder, pharmacy, building materials, brewery, rubber, hospital, and many other industries.

Biomass Fired Steam Boilers

For facilities using renewable solid fuels such as rice husk, wood chips, palm shells, or sawdust, ZOZEN offers dedicated biomass-fired solutions.

DZL Series Biomass Fired Steam Boiler (Three-Drum Type)

For higher capacity biomass applications, ZOZEN’s DZL series three-drum biomass fired steam boiler represents the third generation of biomass boiler technology. It adopts a water tube structure with three drums and an assembly design, consisting of two main components for easier transport and installation. The furnace height is increased by 1 to 3 meters, allowing non-formed biomass fuels to burn more completely. The thermal capacity ranges from 10 to 40 t/h, with working pressures of 1.25 MPa, 1.6 MPa, or 2.5 MPa, and steam temperatures of 194°C, 204°C, or 225°C accordingly. The thermal efficiency exceeds 88%, and the boiler supports online ash removal without shutdown. It is suitable for heating, chemical, food, tobacco, textile, printing and dyeing, feed, pharmaceutical, building materials, brewing, rubber industry and so on.

SZL Series Biomass Fired Steam Boiler

Engineered specifically for renewable biomass fuels like rice husk, wood chips, palm shells, and sawdust, the SZL series boiler features a chain grate water tube design with a horizontal double-drum and vertical layout. The furnace incorporates densely arranged water-cooled walls, which deliver a large radiation heating area and help push thermal efficiency beyond 86%. Multiple independent air chambers enable precise combustion control across the grate, while a dedicated fuel stirrer reliably prevents material bridging and backfire. With a thermal capacity of 6 to 35 t/h, working pressures of 1 to 2.5 MPa, and steam temperatures ranging from 184°C to 350°C, this series is an excellent choice for heating, chemical, food, tobacco, textile, printing and dyeing, feed, medicine, building materials, wine, etc.

Coal Fired Steam Boilers

For facilities using solid fuels like bituminous coal, lean coal, or anthracite, ZOZEN offers the following series.

DZL Series Coal Fired Steam Boiler

For smaller coal-fired steam requirements, the DZL series is a practical and cost-effective choice. This series uses a chain grate stoker with a single drum and a combined water-fire tube design. The thermal capacity ranges from 2 to 10 t/h, with working pressures from 1 to 2.5 MPa and steam temperatures from 170°C to 225°C. The thermal efficiency is above 80%, supported by threaded smoke tubes that improve heat transfer. This series is delivered as a quick-installation package, reducing on-site work and installation time. It serves a wide range of industries including heating, chemical, food, tobacco, textile, printing and dyeing, feed, medicine, building material, wine, rubber, and more applications.

SZL Series Coal Fired Steam Boiler

Built for steady, cost-effective operation on bituminous coal, lean coal, or anthracite, the SZL series coal fired boiler uses a proven chain grate water tube construction with a horizontal double-drum and vertical layout. The boiler delivers a thermal capacity of 6 to 35 t/h, operating pressures from 1 to 2.5 MPa, and steam temperatures from 184°C to 350°C, making it well suited for heating, chemical, food, tobacco, textile, printing and dyeing, feed, medicine, building materials, wine, and hospital applications.Its large-volume furnace, combined with water-cooled walls, creates a broad radiation surface that lifts thermal efficiency above 81%. Independent air chambers distribute combustion air in a finely adjustable manner to minimize fuel waste, and the heavy-duty grate structure resists skewing and jamming over long production runs.

How to Use a Steam Boiler Catalogue to Choose the Right Boiler?

Using a steam boiler catalogue effectively requires a systematic approach.

Step 1: Determine Your Fuel Type – Check the steam boiler catalogue to see which models support your available fuel. For natural gas or oil, look at the WNS or SZS series. For example, a textile plant in Pakistan chose the WNS series gas-fired steam boiler for its reliable operation and fuel flexibility. For coal or biomass, the DZL or SZL series are more suitable, as they are designed to handle solid fuels efficiently.

Step 2: Define Your Steam Capacity – Calculate your peak and average steam demand. A steam boiler catalogue will help you match your required t/h with the appropriate model range. For instance, a chemical plant in Indonesia required a 20 t/h steam boiler for continuous production. The SZS series water tube boiler was selected because it offers capacities from 2 to 110 t/h, easily covering the plant’s needs.

Step 3: Verify Pressure and Temperature Requirements – Review the working pressure and steam temperature in the steam boiler catalogue to ensure the boiler meets your process needs. A rubber factory in Thailand needed steam at 1.6 MPa and 204°C for vulcanization. The WNS series, with a working pressure of 0.7 to 2 MPa and steam temperature up to 204°C, provided the perfect match.

Step 4: Check Efficiency and Emission Data – Compare thermal efficiency and NOx levels across models. A steam boiler catalogue allows you to prioritize energy-saving and environmentally friendly options. A food processing plant in Bangladesh chose the SZS series because it offers >98% thermal efficiency and NOx emissions as low as 30 mg/Nm³, helping the plant reduce fuel costs and meet local environmental standards.

Step 5: Evaluate Installation and Maintenance Needs – Look for details about delivery type (package or field-assembled), footprint, and access for cleaning and repair. A hospital in the Philippines needed a compact, quick-install boiler. The WNS series, which is a package boiler, was delivered pre-assembled and required minimal on-site work, reducing installation time significantly.

By following this structured approach and using real examples from ZOZEN’s project history, any engineer or procurement professional can turn a steam boiler catalogue into a powerful, practical decision-making tool.

Part 3: Your Next Step with ZOZEN’s Steam Boiler Catalogue

In conclusion, a detailed and reliable steam boiler catalogue is the most important resource for selecting industrial steam generation equipment. It allows you to compare products side by side, verify technical parameters, and avoid common selection mistakes. Choosing the right boiler directly impacts your facility’s energy consumption, operating costs, and environmental compliance.

ZOZEN’s steam boiler catalogue provides clear, accurate, and up-to-date information for all our product lines. Whether you operate a small food plant or a large power station, ZOZEN’s steam boiler catalogue can guide you toward the most efficient and cost-effective solution. Do not leave your boiler investment to chance – start with ZOZEN’s steam boiler catalogue and make a confident, informed decision today.