Huzhou Boiler Factory Co., Ltd.
Project Notes Explosion-proof Device Top-mounted gravity explosion-proof device with constant opening pressure; explosion-proof door cover with double-sealing structure, tight sealing; easy to disassemble and reinstall the inspection door, low personnel requirements; large relief area, safer boiler; safe during relief, the hot gas emitted will not injure people. Front and Rear Smoke Boxes The front and rear smoke boxes feature a double-stage sealing structure, ensuring tight sealing. Factory leak test ensures 100% smoke-tightness; smoke box welding is inspected on the surface to prevent smoke leakage, condensation water formation, and corrosion of the skin. Boiler Support The support is fixed at one end and sliding at the other, allowing the boiler to expand and contract freely during operation from cold to hot, without restraint stress, for enhanced safety. Packaging and Insulation Special insulation structure with excellent support for insulation effect. The insulation material uses refractory fiber from the largest manufacturer in the Asian region, "Luyang," resulting in lower skin temperature and reduced surface heat loss.
Performance Features
Design Reasonable: Horizontal internal combustion three-pass full-wet back design, 100% corrugated furnace tube. Excellent thermal expansion properties. Integrated water enveloping fire design, ample heating surface area and reasonable structural arrangement, ensuring high-efficiency operation of the boiler.
Manufacturing Standards: The company has established and reliably operates a comprehensive quality assurance system. The product manufacturing process is fully controlled and supervised by a special inspection agency on-site.
High Efficiency and Energy Saving: The thermal efficiencies of our steam and hot water boiler series range from 92% to 99.8%. The large combustion chamber, combined with rational structural arrangement, allows for more heat to be transferred into the water, significantly enhancing the heat exchange capabilities between fuel-steam and fuel-hot water.
Meets environmental standards: Large combustion space, fully utilizes radiant heat exchange, and is equipped with high-quality and reliable imported burners, ensuring complete combustion of fuel and significantly reducing the emission of harmful components in flue gas. Our company's fuel (gas) steam and hot water boilers have passed government department testing and comply with national environmental standards, making them ideal eco-friendly products.
High heating quality: Steam boilers have ample steam storage capacity, ensuring the production of high-quality dry steam even under significant load fluctuations.
Superior Configuration: Equipped with world-renowned burners, advanced control systems (main components are imported), valves, and pumps all utilize national high-quality products. The excellent boiler accessory configuration provides a strong guarantee for the safe operation of the boiler.
Fully Automatic Operation: With just a press of the start button, the boiler operates according to the pre-set program, with automatic load regulation, water supply, and so on, requiring no constant supervision.
Long service life: The professional design of our boiler products, advanced production technology, and high-quality boiler steel ensure that the normal lifespan of the boiler body is over 15 years.
Maintenance and repair are convenient: The boiler is equipped with movable ash box doors at both front and back, with observation and inspection holes at the rear, allowing access into the furnace for inspection and cleaning. Manholes are also provided on the boiler body, with the structural design taking into account ease of maintenance and repair in the future.
Attachment Configuration
Energy Saver: ND Steel Advantages
ND steel is the most ideal material for "resistance to low-temperature dew point corrosion" both domestically and internationally, widely used in the manufacturing of economizers (energy savers), air preheaters, heat exchangers, and evaporators that operate in high-humidity flue gas environments, to combat dew point corrosion in flue gas. ND steel also exhibits resistance to chloride ion corrosion. The main evaluation criteria for 09CrCuSb (ND steel) seamless steel tubes/plates (soaked in 70° 50% H2SO4 solution for 24 hours) are corrosion rates not exceeding 14mg/cm2·h, which is 1.84 times that of Japanese CR1R steel, 2.97 times that of 1Cr18Ni9 steel, 8.63 times that of Corten steel, and 14.11 times that of Q235B steel when compared to carbon steel, imported Japanese steel, and stainless steel in terms of corrosion resistance. ND steel's superior resistance to dew point corrosion and its excellent cost-performance ratio make it a perfect substitute for stainless steel and the best material to surpass stainless steel in terms of dew point corrosion resistance. ND steel holds significant economic value and aligns with the current "green" concepts of high efficiency, longevity, energy conservation, and environmental protection, as well as with the national development policy orientation. Comparison of 09CrCuSb (ND steel) with other steel grades.
Steel Grades: 09CrCuSb (ND Steel), CRIR (Japan), 1Cr18Ni9, Corten, S-TEN (Japan), A3 (Q235B) Corrosion Rate: 7.30, 13.40, 21.70, 63.00, 27.4, 103.50 Multiples: 1, 1.84, 2.97, 8.63, 3.75, 14.11
Note: Corten steel, also known as weathering steel, is divided into two main categories: Corten A and Corten B. It represents the Cu-P series steel in the United States and is a low-alloy, high-strength atmospheric corrosion-resistant structural steel, known as weather-resistant steel in China.
Electrical Control System:
Stainless Steel Electric Control Cabinet DK Series, Automatic Water Filling, Low Water Alarm, Overload Alarm, Chain Protection, Nanjing "Zhengtai" Microcomputer Control
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ND Steel Advantages
ND steel is currently the most ideal steel for "resistance to low-temperature dew point corrosion" both domestically and internationally, widely used in the manufacturing of economizers (energy savers), air preheaters, heat exchangers, and evaporators that operate in high-humidity flue gas environments, to combat dew point corrosion caused by flue gas condensation. ND steel also boasts resistance to chloride ion corrosion. The main evaluation criteria for 09CrCuSb (ND steel) seamless steel pipes/plates (soaked in 70°50% H2SO4 solution for 24 hours) show corrosion rate not exceeding 14mg/cm²·h, which is 1.84 times that of Japan's CR1R steel, 2.97 times that of 1Cr18Ni9 steel, 8.63 times that of Corten steel, and 14.11 times that of Q235B steel when compared to carbon steel, imported Japanese steel of the same type, and stainless steel in terms of corrosion resistance. The superior performance of ND steel in resisting dew point corrosion and its very high cost-performance ratio make it a perfect substitute for stainless steel and the best material surpassing stainless steel in terms of dew point corrosion resistance. ND steel holds significant economic importance and aligns with today's "green" concepts of efficiency, longevity, energy conservation, and environmental protection, as well as national development policy guidelines. Comparison of 09CrCuSb (ND steel) with other steel grades
Steel Grade 09CrCuSb (ND Steel) CRIR (Japan) 1Cr18Ni9 Corten S-TEN (Japan) A3 (Q235B)
Corrosion Rate: 7.30, 13.40, 21.70, 63.00, 27.4, 103.50
Multiple 1 1.84 2.97 8.63 3.75 14.11
Note: Corten steel, also known as weathering steel, is divided into two main categories: Corten A and Corten B. It represents the Cu-P series steel in the United States and is a low-alloy, high-strength steel that is resistant to atmospheric corrosion. In China, it is referred to as weather-resistant steel.
Performance Introduction
Design Rationale: Horizontal internal combustion three-pass full-wet-back design with 100% wave-shaped furnace tube. Features good thermal expansion properties. Integrated water-encloses-fire design, with ample heating surface area and reasonable structural arrangement, ensuring high-efficiency operation of the boiler.
Manufacturing Standards: The company has established and reliably operates a comprehensive quality assurance system. The product manufacturing process is fully controlled and supervised by a special inspection agency on-site.
High Efficiency Energy-Saving: The thermal efficiency of our steam and hot water boiler series ranges from 92% to 99.8%. The large combustion chamber, combined with rational structural arrangement, allows for more heat to be transferred into the water, significantly enhancing the heat exchange capabilities between fuel-steam and fuel-hot water.
Meets environmental protection standards: Features a spacious combustion space and maximizes radiant heat exchange. Equipped with a high-quality and reliable imported burner, the fuel is burned completely, significantly reducing harmful emissions in flue gases. Our fuel (gas) steam and hot water boilers have been tested and certified by authorized departments, meeting national environmental protection standards and are ideal eco-friendly products.
High heating quality: Steam boilers feature ample steam storage capacity, ensuring high-quality dry steam even during significant load fluctuations.
Superior Configuration: Equipped with world-renowned burners, advanced control systems (main components are imported), valves, and pumps are all of national high-quality products. The excellent boiler accessory configuration provides a strong guarantee for the safe operation of the boiler.
Fully Automatic Operation: Simply press the start button, and the boiler will operate according to the set program. Load regulation, water supply, and other functions are all fully automatic, requiring no constant supervision.
Long service life: The professional design of boiler products, advanced production technology, and high-quality boiler-grade steel ensure that the normal service life of the boiler body is over 15 years.
Maintenance and repair are convenient: The boiler is equipped with movable ash box doors at both the front and back, with observation and inspection holes at the rear, allowing easy access to the furnace chamber for inspection and cleaning. Manholes are provided on the boiler body, with the structural design taking into account future maintenance and repair ease.
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