A Thai Food Group | Project for 2 Low-Nitrogen Through-Flow Steam Boilers

Project Overview

This food group is a well-known Thai meat processing and canned food export company, with products exported to markets in Southeast Asia, the Middle East, and Europe. Its production facilities require a large and stable supply of steam daily for core processes such as high-temperature sterilization and steaming. As environmental emission standards in Thai industrial zones have become increasingly stringent, the plant’s existing old boilers not only had low thermal efficiency and high energy consumption but also failed to meet the new regulations regarding nitrogen oxide emissions, creating an urgent need to install two new steam boilers.

After thoroughly evaluating the technical solutions, actual energy consumption data, and industry reputations of multiple international boiler brands, the food group ultimately selected the low-nitrogen once-through steam boiler solution provided by Huano Boilers, purchasing two units in a single transaction to completely replace the existing outdated equipment.

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Solution

Addressing the characteristics of food production facilities—frequent start-ups and shutdowns, significant fluctuations in steam demand, and limited space—Huanuo Boilers configured two vertical LSS2.0-1.0-Q low-nitrogen once-through steam boilers for the client:

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Extremely Compact Vertical Through-Flow Structure

The boiler body features a through-flow design comprising an upper header, a lower header, and water tubes, complemented by a high-efficiency steam-water separator, a water pump, and a low-nitrogen burner. Through precise calculations and optimized layout by Huanuo engineers, the equipment’s footprint was significantly reduced while ensuring rated output, freeing up valuable production space in the workshop and reducing infrastructure investment costs.

Millisecond-Level Response, Ultra-Fast Steam Supply

It takes only 2–4 minutes to go from a cold start to producing qualified steam, and just 20 minutes to reach full load from a cold state—perfectly suited for the frequent start-stop requirements of processes such as sterilization and steaming. The steam pressure is stable and the quality is dry saturated, significantly improving the uniformity of the sterilization process.

Ultra-Low Nitrogen Emissions, Effortlessly Meeting Standards

Equipped with fully automatic low-NOx combustion technology, NOx emissions are consistently controlled below 30 mg/m³—far exceeding local environmental regulations—ensuring immediate compliance with environmental inspections and completely eliminating the hassle of excessive emissions.

Intelligent Operation, Simplified Maintenance

The control system supports fully automatic operation and load matching. The user interface is simple and intuitive, allowing local staff to operate the system proficiently after only a short training period, significantly reducing the workload associated with manual management.

Core Project Advantages

Comprehensive steam energy consumption is reduced by 20%, allowing for recovery of most of the investment in equipment upgrades within six months and a significant reduction in energy costs.

Steam supply is rapid and of consistent quality, resulting in superior product sterilization and a steady improvement in batch pass rates.

Emissions testing consistently meets compliance standards, enabling the company to successfully pass multiple international clients’ green audits and earn a reputation for green manufacturing.

The compact design requires minimal floor space, eliminating the need to expand the boiler room and saving on additional construction costs and installation time.

Client Testimonial

“Huanuo’s low-nitrogen once-through boiler is compact and space-saving. It starts up extremely quickly—producing steam in just 2–4 minutes—and reaches full load rapidly, making it ideal for our frequent steam usage. The steam supply is very stable, sterilization results are much better than before, and operation is convenient. This has been a very satisfying collaboration that has truly enabled us to achieve green and efficient production.”

Somchai P.

Director of Production and Operations

“Huanuo’s SZS series steam boiler has performed very stably on our continuous paper production line. The steam pressure fluctuation is minimal, fully meeting the high-quality steam requirements of the drying cylinders. After more than a year of operation, it has maintained high thermal efficiency and a low failure rate—one of the most reliable pieces of equipment on our line.”

Budi Santoso.

Equipment Manager, a major paper group in Indonesia

“Pharmaceutical processes have extremely high requirements for steam cleanliness and temperature control. Huanuo’s electric steam boiler produces clean steam with no on-site emissions and provides precise temperature control. It helped us smoothly pass several international quality system audits. It is a boiler that truly understands the needs of the pharmaceutical industry.”

María González.

Production Director, a pharmaceutical company in Mexico

“Our hotels have very high requirements for the quietness and safety of hot water supply. Huanuo’s vacuum hot water boiler operates very quietly and maintains a stable water temperature—guests hardly notice the equipment is there. Since the upgrade, hot water complaints have dropped significantly, and management has become much easier.”

Ahmed Hassan.

Head of Engineering, a hotel group in Egypt

“The stenter machines in our dyeing and finishing process are very sensitive to thermal oil temperature stability. Huanuo’s thermal oil heater heats up quickly with minimal temperature fluctuation, and the finishing effect has improved noticeably. Fuel consumption is also considerably lower than that of the original equipment. Their after-sales service responds promptly, making the cooperation very smooth.”

Mehmet Yılmaz

Production Manager, a textile dyeing and finishing company in Türkiye

“Our washing workshop requires frequent steam on/off cycles and has limited space. Huanuo’s once-through steam boiler occupies a small footprint and produces steam within 2 to 4 minutes, fully keeping up with our pace. The steam is stable and operation is simple—very suitable for our high-intensity washing conditions.”

Rafiq Islam.

Operations Supervisor, a garment washing company in Bangladesh

“Food processing has strict requirements for both steam quality and emissions. Huanuo’s condensing steam boiler has high thermal efficiency and a low exhaust gas temperature, with NOx emissions far below local standards. It helped us easily pass environmental reviews, while natural gas costs have also dropped noticeably.”

Khalid Al-Farsi

Plant Manager, a food processing plant in Saudi Arabia

“We use local agricultural and forestry residues as boiler fuel. Huanuo’s biomass steam boiler has strong fuel adaptability and runs stably, which not only reduces fuel costs but also eases solid waste disposal pressure. Emission indicators meet local environmental requirements, and the overall benefits have exceeded expectations.”

Johan van der Merwe

Energy Manager, a beverage producer in South Africa

“Chemical plants have extremely high requirements for heat source continuity. The waste heat boiler customized by Huanuo fully recovers waste heat from process tail gas and produces steam stably, significantly reducing the cost of purchased steam. Since commissioning, the equipment has operated reliably and provided real help for our energy-saving and consumption-reduction efforts.”

Rajesh Kumar

Technical Director, a chemical company in India

“Our region has long winters and extremely low temperatures, so heating equipment must withstand severe conditions. Huanuo’s hot water boiler starts quickly and supplies heat stably even in low-temperature environments. Throughout the entire heating season, there were no unplanned shutdowns, and our residential heating guarantee capability has improved markedly.”

Dmitry Ivanov

Operations Manager, a district heating company in Russia

“Our exported fruits and vegetables have very high requirements for drying color and moisture content. Huanuo’s hot air furnace provides precise temperature control and clean hot air. After drying, the fruits and vegetables retain a natural color and stable quality, fully meeting export standards. Energy consumption is also lower than that of the original equipment, giving us more reliable capacity during peak season.”

Camila Rojas.

Production Head, a fruit and vegetable processor in Chile