Features of Fully Automatic Gas Boiler:

★ Low Nitrogen Condensing Gas Boiler, NOx emissions ≤30mg/m³, and meets the requirements and standards of GB13271-2014 "Emission Standards of Air Pollutants from Boilers" and GB3096-2022 "Environmental Noise Standard for Urban Areas".

★ Equipped with a flue gas condenser, the furnace structure is rational and fuel-saving.

★ Featuring a new condensation design concept, technologically advanced, aesthetically pleasing, economical, durable, with low exhaust temperatures, and meets environmental protection requirements.

★ Jet-Engine E-Type Flue Gas Recirculation Three-Return Flow Structure, high heat exchange coupling of water pipes and fire tubes, ultra-low NOx emission design ≤30mg/m³, double radiation large heat exchange area, and threaded flue pipe design for the convective tube bundle.

Air and gas are proportionally mixed through a proportional valve and premixing control technology, ensuring uniform combustion on the surface of the metal burner. This guarantees stable combustion and heat exchange, further reducing nitrogen oxide emissions.

★ This type of heat exchange system integrates the combustion chamber, flue, and water channel into a single design, featuring excellent heat conductivity without dead spots. Based on fluid dynamics, and utilizing the laws of conservation of mass, momentum, and energy, it applies the aerodynamics of a wind tunnel in a staged heat exchange technology for gas boilers. The top-mounted burner allows flue gas to flow from top to bottom, while the water in the boiler's heat exchange system flows in the opposite direction from bottom to top, facilitating heat exchange. This effectively absorbs the sensible heat in the flue gas and the latent heat released during condensation, resulting in low exhaust gas temperatures and achieving the goals of energy saving and environmental protection.

Short circuit protection, overload protection, leakage protection, abnormal temperature sensor protection, abnormal water level sensor protection, secondary overheating protection, high water temperature protection, low water level dry burning prevention and shutdown alarm, burner shutdown alarm, and features scale excess alarm function.

★ 7-inch color touch screen, featuring an industrial-grade CPU module as the core controller. Full Chinese graphic and text simulation with true-color dynamic animation, high-brightness LCD graphic interface, indicator for combustion machine and pump operation, real-time display of current working temperature, internal water level, and current date, month, day, and week time. Fault display in Chinese and control parameters. Automatically saves fault records and provides Chinese fault information prompts. Easy data analysis and historical operation data query with standard RS232/485 interfaces, enabling connection with building automation or DCS systems for group control of multiple boilers.

Our company has drawn on the numerous advantages of well-known brand boilers in the same category and launched a self-regulating energy-saving, environmentally friendly, convenient, and aesthetically pleasing low-nitrogen atmospheric pressure hot water boiler that suits the Chinese market. This boiler is suitable for hotels, schools, hospitals, swimming pools, residential communities, and other institutions, providing 24-hour heating and domestic hot water. When paired with a refrigeration unit, it can form a central air conditioning system with both heating and cooling capabilities.

Horizontal E-type loop three-pass full wet-back structure, flanged butt-welded design.

1). Jet-injected internal combustion E-type three-pass wet-back flue gas structure:Fully automatic low nitrogen condensing integrated gas boiler, this product's design adheres to the relevant provisions of NB/T 10941-2022 "Technical Conditions for Small Boilers and Atmospheric Pressure Hot Water Boilers", TSG 91-2021 "Technical Code for Energy Conservation and Environmental Protection of Boilers", and TSG 11-2020 "Technical Code for Boiler Safety". The boiler's dust emissions meet ultra-low NOx emissions of ≤30mg/m³. It features an E-type shell structure and a fully wet back structure. Fuel is burned through an upper-side mounted burner, causing flue gas to flow from top to bottom, while the water flow in the boiler's heat exchange system moves in the opposite direction from bottom to top. Due to the action of the high-speed flame causing flue gas to swirl and draw in the furnace drum, after cross-exchange, it turns 180° into the furnace and the flue gas condensation energy-saving unit, where it is coupled with the multi-functional heat exchange area of the water pipes. After another 180° turn, it enters the flue gas condensation energy-saving unit for a secondary reverse heat exchange of flue gas and water flow, effectively absorbing the sensible heat in the flue gas and the latent heat released during condensation. The low exhaust gas temperature is emitted into the air through the chimney, achieving energy conservation and environmental protection goals.

The boiler is composed of the boiler body, base, insulation, steel frame, accessory instruments layout, flue gas condensing energy saver, and computer control system. The overall structure of the boiler body features an upper-mounted furnace pot with evenly and symmetrically arranged flue pipes at the bottom. The drum is made up of the cylindrical body and front and rear tube plates. The boiler body is焊接 from the cylindrical body and upper and lower tube plates. The furnace pot is焊接 from a large furnace pot, furnace pot top, and inner tube plate. The large furnace pot structure increases the heat transfer area, enhances the rigidity of the furnace pot, and allows for free expansion after heating. The convection tube bundle is焊接 from threaded flue pipes, which significantly enhance heat transfer, increasing the heating area and making the boiler structure compact, reducing the footprint. The upper part of the boiler body is equipped with a manhole for easy internal inspection and regular maintenance cleaning. The lower smoke chamber is assembled in an integral manner, offering good overall design, aesthetics, and elegance without any potential for smoke leakage.

The smoke condensation energy saver is assembled from front and rear side panels, left and right side panels, and top and bottom tube plates. The convective tube bundle is焊接 from threaded smoke tubes and is integrated with the boiler main body, resulting in low exhaust gas temperature, effectively increasing thermal efficiency, reducing gas consumption, and minimizing nitrogen oxide emissions.

This furnace type heat exchange system integrates the combustion chamber, flue, and water channel into a single design, featuring excellent all-around heat conduction without dead spots. Based on fluid dynamics principles, including the law of conservation of mass, momentum, and energy, it rationally applies the "wind tunnel" fluid mechanics to a staged heat exchange technology for gas boilers.

2). Extra-large capacity counter-current furnace tubeThis boiler features a volumetric large furnace drum, with a spacious combustion chamber that enhances the drum's rigidity while effectively reducing expansion stress. It strengthens smoke disturbance and increases the radiant heat transfer area. By effectively utilizing radiant heat exchange, it boosts heat transfer efficiency and promotes combustion of the fuel inside the furnace. Coupled with a high-quality and reliable burner, it ensures complete combustion of the fuel, improves thermal efficiency, and reduces harmful emissions in the flue gas, meeting environmental standards.

3). Threaded Tobacco TubeA threaded smoke tube is an internally convex and externally concave helical heat-conducting tube. It is processed from a standard seamless tube to a threaded tube using a cold rolling method. After heat exchange and flow resistance optimization, the heat transfer capacity of a single threaded smoke tube is equivalent to 1.7-1.8 times that of a standard smoke tube of the same size, enhancing heat exchange efficiency and improving thermal efficiency. This design effectively reduces the smoke resistance of the body. It achieves high-speed turbulent flow of smoke, preventing pipeline blockage, and strengthens heat transfer, reduces back pressure, and improves heat exchange efficiency.

4). Sufficient heating surface areaBased on the principle that the heat and temperature of the furnace radiant ring are proportional to the fourth power, this furnace features a large hearth space and a large effective radiant heating surface, with a high proportion of radiant heat absorption to total heat absorption. Due to the entrainment effect of the high-temperature flame on the回流, the temperature field inside the furnace is uniform, effectively inhibiting the formation of NOx. It represents an environmentally friendly combustion method, and due to the turbulent action of the回流, it enhances convective heat transfer between the airflow and the heat exchange surface.

5). Large-capacity hot water storage room features a unique structure:This hot water storage room provides customers with high-quality heat sources, capable of promptly handling load fluctuations, instability, and peak changes. It also features a curve outlet device to maintain a constant hot water output, offering a high-quality water outlet curve. It prevents hot water accumulation in dead corners inside the boiler and effectively inhibits scale formation.

6). Temperature Equilibrated Water Circulation SystemThe furnace body is entirely designed with an arched structure, ensuring no dead corners for uniform heat and cold exchange, achieving the set pressure more rapidly. It features an internal recirculation damper that evenly scours the heated surface during the return water process, guaranteeing stable and reliable operation.

7). Robust and durable boiler inner shell, clean and hygienic water quality:The inner boiler shell, as agreed upon in the contract, can be treated with anti-corrosion and anti-rust measures, offering excellent resistance to atmospheric corrosion. Its surface can form a protective film against corrosion, safeguarding the internal steel substrate. Moreover, this protective film also provides cathodic protection to the steel substrate, effectively extending the stable operation of the boiler shell. Additionally, it prevents rust, corrosion, and scaling, thus protecting the welds of the boiler shell while ensuring the purity and hygiene of the water.

8). Reasonable furnace structure, easy maintenance and repair:Equipped with advanced and unique design, the boiler ensures reliable, economic, and stable performance. The main pressure components are joined by bevel-seamed welding to guarantee the quality of the welds; a new concept of balanced flue design is adopted, utilizing flue gas heating, with the flue gas pipes evenly placed within the furnace, surrounded by furnace water. This structure offers a large inner furnace volume and a substantial radiation heating surface, optimizing the heating area and enhancing heat transfer and heat exchange efficiency. The boiler features inspection openings on both sides, facilitating inspection and cleaning, simplifying maintenance tasks, and making repairs and maintenance extremely convenient, meeting users' requirements for equipment operation and maintenance.

  9). Advanced heat transfer technology with rapid heat transfer speed and high thermal efficiency:Utilizing heat transfer and flow resistance technology from "Harbin Institute of Technology's Light Research Institute," the boiler employs threaded heat transfer flue pipes and an optimized flue gas velocity design. This ensures that the boiler's output and thermal efficiency do not decline over extended operation times, allowing for stable heating. The thermal efficiency remains stable under various load levels. The furnace design achieves a balance between the burner flame volume and heat exchange surface area, resulting in a uniform exhaust gas temperature at the outlet of the flue gas pipes. The thick insulation layer ensures the boiler's outer surface meets energy-saving requirements. A flue gas condensation energy-saving device is installed at the tail end, recovering waste heat from high-temperature flue gas, achieving low exhaust gas temperatures, and saving fuel for the customer. This completely eliminates the drawback of other gas hot water boilers, where the flue pipes accumulate soot, leading to increased fuel consumption over time.

10). Stable and reliable control system:Protective measures for the control system, outlet and inlet water temperature control, and outlet temperature display. Temperature can be freely adjusted within the specified range, with intelligent control functions such as over-temperature protection, leakage protection, overcurrent protection, water shortage protection, phase loss protection, and fault alarms to ensure the boiler operates normally. The control system employs multiple interlock protection and alarm designs, and is equipped with a full range of automatic protection measures. Thicker boiler heat-resistant steel pipes ensure stable boiler operation. The boiler is designed at atmospheric pressure, and the body hydraulic test is conducted at 0.2MPa. The dry-burn prevention function uses a water level sensor to protect against water shortage, utilizing the conductivity of water to measure the water level in the drum for high precision control. If the boiler scale exceeds the standard, the boiler controller will automatically alarm and prompt, ensuring the boiler's longevity and preventing accidents from occurring. It also facilitates maintenance.

11). Durable and low failure rate:A well-designed boiler structure, consistent flow rates of medium and high-temperature flue gas, ensures that boiler tubes do not burst due to scaling, thereby guaranteeing both stability of the boiler and the combustion efficiency of the burners. By reducing operating cycles and load fluctuations, the equipment maintains consistent operation under full load, enhancing efficiency and energy savings, and reducing failure rates; and by reducing load fluctuations, the equipment operates stably and efficiently under full load. Features automatic protection against overtemperature, leakage, and water shortage, ensuring stability and reliability.

12). Integrated combustion configuration system:Our design approach integrates hot water boilers and burners as a single unit, tailored to the characteristics of ultra-low nitrogen atmospheric pressure hot water boilers. This has been our consistent tradition, optimizing the combustion ratio for efficiency and combining energy-saving and environmental protection technologies.

13). Excellent thermal insulation, minimal heat lossInsulation materials use high-density silica-alumina felt and high-quality aluminum foil spun glass fiber wool, offering excellent thermal insulation properties.

14). Computer Design and DraftingCAD software is used for optimized design, ensuring good water circulation and low flow resistance. Effectively optimizes the heat exchange coefficient of the heating surface inside the furnace, enhancing thermal efficiency.

15). Meets environmental standards:During the condensation process of water vapor in flue gas, harmful gases such as NOX and SOX are absorbed, significantly reducing the harmful emissions below the emission standards. This can decrease harmful substances in the exhaust gas. The air is purified, benefiting environmental protection. This technology complies with the requirements of social environmental protection and energy policies, adhering to the relevant requirements and standards of GB13271-2014 "Emission Standards of Air Pollutants from Boilers" and GB3096-2022 "Environmental Noise Standards for Urban Areas."

16). Aesthetically pleasing:The outer shell is coated with industrial-grade white polyester paint, packaged in a flat panel, which is aesthetically pleasing, sturdy, durable, and resistant to corrosion over long-term use.

17).Easy installation:Boiler units are factory-assembled, featuring a compact structure and easy installation. All electrical, low-voltage, and control lines are pre-connected, ensuring a straightforward setup. Simply connect the water, power, and gas sources, along with the corresponding inlets and outlets, and the boiler is ready for operation—quick and convenient installation.

1. Automatic Fuel (Gas) Atmospheric Pressure Hot Water Boiler Technical Specifications

2. Technical Parameters of Fully Automatic Fuel (Gas) Pressure Hot Water BoilersIII. Technical Specifications of Fully Automatic Fuel/Gas Integrated Heat Exchanger Hot Water Boiler1. The calorific value is calculated according to the following standards: diesel calorific value is 42900 KJ/kg (equivalent to 10248 kcal/kg).Natural GasCalorific value: 3600 KJ/Nm³ (equivalent to 8600 kcal/Nm³), city gas: 16000 KJ/Nm³ (equivalent to 3800 kcal/Nm³).

2. If the gas source is natural gas, please provide the calorific value, gas pressure range, and altitude when placing an order.

3. Fuel consumption rates are based on full load operation of the boiler. Actual consumption may vary depending on operating conditions.

4. Retain the right to redefine or alter product information without prior notice (including dimensions, control methods, internal structure, etc.)