I. Brief Introduction to the Performance of Fully Automatic Electric Boilers

⑴ Electric heating boilers primarily use 380V 50Hz power as energy, heating and supplying hot water for domestic use as well as steam. The boiler body is mainly composed of a drum, end caps, electric heater mounting brackets, and boiler base, all welded together. The electric control system consists of a computer controller, electric control cabinet, water level sensor, and temperature sensor. This equipment boasts high thermal efficiency, operates silently, and is stable.

Ensure reliability, energy efficiency, and environmental protection. Modular heating systems are available for energy conservation and easy installation and use. Capable of achieving fully automatic, high-intelligence, and stable operation.

⑵ Utilizes a step-by-step loading or unloading design, featuring an automatic, high-intelligence balancing adjustment for operational load, effectively protecting electrical components and electric heaters. Operation follows the "first in, first out" principle, ensuring even heating element operation, and automatically switches according to the computer control system's instructions. Electric heaters offer both automatic start and stop functions without the need to shut down, allowing users to flexibly adjust. The boiler is equipped with short-circuit protection, overload protection, leakage protection, phase loss protection, overpressure protection, underpressure protection, voltage anomaly protection, temperature sensor anomaly protection, water level sensor anomaly protection, secondary overheating protection, water temperature overheating protection, and a protective shutdown with alarm when the water level is too low. It also features a scale alarm function to enhance the boiler's energy-saving and stable operation. Additionally, it has a time control function, allowing intelligent control of the boiler's automatic operation in four different periods based on user needs.

③ The electrical components of the control cabinet are made with elements from renowned brand manufacturers, ensuring stable operation.

④ Electric Heating Methods: (Stainless Steel Electric Heater, Ceramic Electric Heater, Semiconductor Electric Heater, and Electromagnetic Heater)

Stainless Steel Electric Heater: Advanced technology, reliable quality, ensuring stable product performance. Electric heaters and boilers are connected with flanges, the heater sleeve is made of seamless steel tube, with high pressure resistance and stable, reliable operation.

Ceramic Rod Electric Heater: Featuring a new "water and electricity separation" structure, the ceramic rod electric heater is a stable heating electrical component with a long operating time. It is made of an anti-vibration, high-temperature-resistant ceramic substrate and is wound with high-quality nickel-chromium alloy electric heating wire. The electric heater boasts advanced technology, reliable quality, high thermal conversion efficiency, rapid heating, low thermal inertia, high resistance to high temperatures and corrosion, excellent thermal-chemical stability, high insulation strength, and does not pollute the environment. The outer protective sleeve is made of low and medium-pressure boiler seamless pipes, offering high pressure resistance, low surface heat load, and resistance to scale, preventing scale from damaging the electric heater. It provides stable protection for the ceramic electric heater, preventing electric heater elements from leaking electricity due to unexpected reasons, thus ensuring personal safety for users and their operators. Additionally, it allows for maintenance and upkeep of the boiler without draining water.

★ Semiconductor electric heater: Coated with a layer of high-temperature sintered heating material on the surface, the heating material is integrated with a single crystal pure quartz tube, featuring energy-saving, stability, and a heating device that replaces heating wires with surfaces. It boasts high electrical to thermal conversion efficiency, fast heating speed, no scale formation, electrical and water separation, power that does not easily degrade, resistance to high concentrations of acids and alkalis, and long service life. It can maintain rapid electrical conversion in water for an extended period, preventing the drawback of electric heating boilers becoming more energy-consuming over time.

Miniature electric water heaters (6KW-240KW) feature an integrated design for easy installation; high-power electric boilers (300KW-2488KW) are designed with a separate control cabinet and boiler body.

The cylindrical electric hot water boiler shell is packaged with milky white color board, which is aesthetically pleasing, durable, and resistant to rust, commonly used as industrial-grade packaging material.

The rectangular electric hot water boiler's outer shell is coated with a spray painting process. The working principle involves charging plastic powder through a high-voltage static equipment, which is then sprayed onto the workpiece surface under the influence of an electric field. The powder is evenly adsorbed on the surface, forming a powder coating. After high-temperature baking, the powder coating levels and solidifies, with the plastic particles melting into a dense, high-strength protective coating that firmly adheres to the surface. The bottom of the rectangular shell can be equipped with casters with horizontal adjustment for easy movement upon request.

Two: Energy-saving computer boiler controller with an intuitive and simple 7-inch color Chinese touch screen (standard LCD control system for ≤360KW electric boilers):

★ Featuring modern computer control technology with high-performance microprocessor, the new generation atmospheric pressure electric water boiler controller is made from special engineering plastic for scratch resistance and oil resistance, offering comfortable tactile feedback, durability, and reliable operation in harsh environments near the boiler. The 7-inch color touch screen display provides high-definition simulated true-color dynamic graphics, including text, graphics, and animation. It displays the boiler's operating conditions, modes, and control parameters in both graphical animations and Chinese. The user-friendly interface, with a high-brightness LED backlight for the LCD screen, features intelligent sequential control and protections against water shortage, overheating, and over-temperature. It operates stably and reliably, with a fault alarm memory function for easy troubleshooting. The advanced Chinese LCD touch screen interface is easy to use, featuring 4-hour time control that allows setting daily on/off times, enabling truly automatic, unattended operation.

★ Fully automatic control and multi-directional automatic interlock protection. The core controller utilizes industrial-grade control modules. It features a full Chinese graphic menu interface and multi-window system condition display. It has automatic fault recognition, intuitive indication, and processing capabilities. Data analysis and historical operation data queries are convenient. It is equipped with a standard RS485 communication interface, supporting Modbus communication protocol, enabling connection with building automation or DCS systems for centralized control of multiple boilers. The system can provide real-time compensation based on outdoor and indoor temperatures. It offers faster response times, high integration, and fewer peripheral components. It includes automatic boiler water level control interlock (preventing dry burning), automatic temperature regulation control of the boiler water, and high-temperature interlock, achieving precise measurement and numerical adjustment of various parameters. It is compact in structure, easy to use, informative, and user-friendly in human-machine dialogue. It boasts high integration, high intelligence, strong anti-interference capability, simple operation, flexible control, attractive appearance, comprehensive system, wide functionality selection, and high reliability. It achieves self-control, environmental protection, convenience, beauty, durability, and ensures reliable control systems with simple and intuitive operation.

★ The boiler is equipped with a complete automatic control system and protection devices, enabling easy operation of automatic low heat, medium heat adjustment, and high heat regulation functions. It automatically adjusts the number of electric heaters based on temperature for stable output. It can achieve automatic water level control, low water level alarm, and automatic shutdown; as well as automatic control of hot water temperature and over-temperature alarm, ensuring the safe operation of the electric hot water boiler.

★ High-performance Industrial Grade CPU Control Module: Utilizes industrial-grade high-performance control modules, featuring high reliability, integration, computational speed, strong functionality, compact size, and low power consumption; supports multi-channel high and low voltage switch inputs, outputs, and analog inputs for flexible expansion applications. Intelligent time-slot control is user-friendly and can be programmed online as per actual needs.

★ Fast-responding Digital Chinese LCD Touch Screen: As the use of computers as a source continues to rise, LCD screens are favored for their ease of use, durability, quick response time, and space-saving features. Equipped with high-brightness LED backlights. The LCD graphic interface displays boiler operating conditions, working modes, and control parameters in both graphic animation and Chinese, offering a user-friendly interface. The LCD screen consists of self-controlled components and an LCD screen controller; the detection components are installed below the display screen to detect user commands and send them to the LCD screen controller. The primary function of the LCD screen controller is to receive information from the detection devices, convert it into filtered information, and then send it to the control module. It also receives and executes commands from the control module.

Programmable Logic Controller: A digital computing electronic system designed specifically for industrial applications. It utilizes a type of programmable memory for internal program storage, executes logical operations, sequential control, timing functions, and controls various sensors, heater arrays, and circulating pumps through digital or analog input/output. It is a core component of centralized industrial control. This controller is designed with a fuzzy logic temperature control method, as shown in the following figure:

Highly integrated hardware and software, standardized design: integrated display and controller, each performing its specific function; simplified program design, enhancing system reliability.

★ Dedicated Digital Filtering Technology: The system applies digital filtering to the collected temperature data, ensuring the stability and accuracy of the measured data.

★ Advanced Processor Performance: Utilizes industrial-grade ARM32-bit processor, offering faster response times, higher integration, and fewer peripheral components.

★ Photoelectric isolation for switch quantity: All input/output ports of the system are equipped with special photoelectric isolation measures, effectively blocking interference channels. The product boasts excellent anti-interference performance, ensuring reliable system operation.

★ Large-screen LCD graphic and text display with user-friendly interface: The LCD features high-brightness LED backlight and long lifespan. The interface displays the operating conditions, working modes, and control parameters of the boiler in both graphic animation and Chinese text.★ Advanced Control Features: Utilizes a fully automatic, high-intelligence digital high-resolution Chinese LCD touch screen and programmable logic control module in a combined control method. The programmable logic control module serves as the "processor" for the control system. This control system features one-touch on/off, and the configured Chinese LCD display offers rich functionalities with strong anti-interference performance and long usage life. It accurately and intuitively displays the operating status of the control system, as well as collected information such as water level, temperature, operating status, faults, and flame status, through real-time dynamic simulation animation graphics. It clearly shows the current operating status of electric heaters and pumps, allowing for any water temperature setting within a wide range of 30℃-90℃. The boiler operates with high automation, equipped with a new-generation large high-resolution Chinese LCD display, full Chinese multi-level pop-up menus, simplifying, organizing, and intelligentizing boiler monitoring. It achieves load regulation of the boiler system and automatic fault alarms, adds a Chinese fault repair guide module for quick and convenient maintenance, and automatically generates analytical reports. Multiple interlock protections ensure system reliability; in case of a fault, the boiler automatically shuts down and pops up a screen, recording the time and content of the last few faults, enabling users to quickly identify the cause of the fault based on the repair guide. Through intelligent human-machine interface control, the boiler operates at scheduled temperatures, saving energy and reducing heat loss, achieving intelligent unattended control.

★ Equipped with multiple automatic interlock protection and alarm systems:

1. Boiler Water Over-temperature Protection: During system operation, if the boiler's outlet water temperature exceeds the set over-temperature limit, the computer controller will trigger an "Over-temperature Fault" audible and visual alarm indicator, and the interlock will shut down.

Electric heater, non-interlocked circulation pump; To ensure stable operation of the boiler, this boiler is equipped with a high-performance temperature sensor and an overheat protector each, controlling the electric heater based on the set target temperature value.

Automatic start and stop function makes the heating and hot water output of the boiler more rational. This device ensures the boiler operates stably and reliably under normal conditions, while allowing for automatic control over a single or multiple load stages.

Adjustable with dual temperature protection control and alarm system; equipped with over-temperature alarm monitoring. In case of overheating alarm signal, an audible and visual alarm will be triggered, and the electric heater will be automatically shut off.

When the controller temperature exceeds 60°C, the controller will trigger an alarm to remind the user to take timely action to prevent damage to the controller; the overheating protector operates according to the set overheating protection settings.

The extreme temperature rise following the loss of control of the value-protected boiler poses a risk of water vaporization in the boiler.

2. Low Water Level Protection: During the operation of the boiler, when the water level is extremely low, the controller displays a "Low Water Level Fault" and emits an audible and visual alarm. The interlocked controlled equipment's water level electrode accurately indicates the actual water level of the boiler. The electronic water level control system ensures the boiler is not dried out during low water levels by accurately collecting water level signals to trigger alarms or initiate interlock controls. Additionally, with a dual-independent temperature control system, the boiler can automatically adjust for ultra-low water temperature, low water temperature, normal water temperature, high water temperature, and superheated water temperature, ensuring the boiler operates safely under all unexpected conditions.

3. Scale Alarm Function: The design of the scale alarm function monitors the formation of scale on the heating surface in real-time during the boiler operation. If the computer controller detects excessive scale, it will shut down and trigger an alarm to remind the user to clean the scale. This ensures the stable operation of the boiler and prevents damage.

4. Power Failure Lockout Protection: During system operation, if power is interrupted, the system automatically shuts off the output devices. Upon re-powering, the intelligent controller automatically switches to off-duty mode to ensure stable system operation; to restart, the lockout must be reset before the system can be re-ignited. The computer controller features power failure protection, automatically saving various parameters.

5. Voltage and Current Protection: In the event of overvoltage, undervoltage, or abnormal current, the control system will automatically cut off power, stop heating, and protect the equipment's stability.

6. Leakage Protection: The power supply will automatically be cut off in case of leakage from the boiler or water pump.

7. Phase Failure Protection: Automatically shuts off heating upon detection of phase failure in the boiler or pump, preventing equipment damage.

8. Sensor Fault Identification and Protection: During system operation, if a water (return water) temperature sensor experiences an open or short circuit failure, the computer controller will trigger an audio-visual alarm for "sensor fault" and interlock to shut off the electric heater.

9. Recirculation Pump Fault Protection: During system operation, if the controller fails to detect the recirculation pump running signal after the pump starts, it will trigger a fault chain for all controlled equipment.

10. Motor Load Protection: Protected against overcurrent, overheating, and phase loss during operation through circuit breakers and thermal overload relays.

★ Additional Features:

1. Set operating parameters: Adjust parameters such as required temperature and time slots for the boiler's automatic operation.

2. Information Processing: Perform intelligent data analysis and statistical processing on field-collected signals to accomplish tasks such as fault prediction, fault handling, controlling thermal system equipment, system anti-freezing control, data inquiries, and intelligent fuzzy control of boiler operations.

3. Data Storage Function: Collects on-site temperature, digital, and alarm signals, performs signal calculation and processing, and can automatically record the boiler's operating time, pump, and electric heater operating times. Data is saved for easy user access.

4. Fault Record and Display: Automatically records data of faults occurring in the boiler. Users can inquire about the location, time, and cause analysis of the faults via the LCD screen to ensure the normal operation of the boiler.

5. Auto-detect Faults and Protection: The software automatically identifies faults during malfunctions, protecting the boiler and its accessories from running abnormally; equipped with a fault analysis chart and accessible repair guidelines.

6. Communication Function: Outputs real-time operational data such as equipment start/stop and fault types through the RS485 communication interface (supports Modbus communication protocol).

2. Rational Furnace Structure and Easy Maintenance: The furnace has a rational structure and is easy to maintain, featuring an advanced and unique design that ensures reliable and economically stable boiler operation. The main pressure elements are joined by bevel-seamed焊接，ensuring high-quality welds; it utilizes the new concept of balanced tube design with horizontal heating method, where the external protective sheath of the electric heating tube is surrounded by water. This structure offers a spacious interior, a large effective radiant heating surface, and optimized heat transfer area utilization. The design achieves high-speed turbulent flow of the water medium, preventing tube clogging and enhancing heat transfer and heat exchange efficiency. The furnace features a drain handhole for easy inspection and cleaning, simplifying cleaning work and making maintenance and care extremely convenient, meeting users' requirements for equipment operation and maintenance.

3. Utilizing high-strength flanged electric heating elements:

1). Equipped with a high-strength stainless steel electric heater, featuring high mechanical strength, vibration resistance, heat resistance, even heat distribution, and good chemical resistance. Utilizes a separate small-sized flange, installed within a high-temperature-resistant, seamless stainless steel tube.

Evenly distribute the high-temperature resistance wire, densely fill the gaps with crystalline magnesium oxide powder that boasts excellent thermal conductivity and insulation properties. This structure is not only advanced and highly efficient in heat transfer, but also ensures even heat distribution.

When an electric current passes through the high-temperature resistance wire, the generated heat diffuses to the surface of the metal tube through crystalline magnesium oxide powder, and then transfers to the water, achieving the purpose of heating. It features a simple structure and mechanical properties.

High strength, high thermal efficiency, stable operation, easy installation, and long service life. The product boasts stable and reliable quality, widely used in electric water heaters, electric steam boilers, and more.

4. Large Capacity Hot Water Storage Room: This storage room efficiently handles load fluctuations, unstable loads, and peak changes, and is equipped with a curved outlet device to provide a high-quality water outlet curve, preventing hot water accumulation in dead corners inside the boiler.

5. Temperature-balanced water circulation system: All-arc structure ensures even heat and cold exchange, achieving the set temperature more quickly. The built-in return water distributor in the furnace maintains a stable temperature during the return water process.

6. Enhanced Heat Transfer Technology: Utilizing heat transfer and flow resistance technologies from "Harbin Institute of Technology's Light Research Institute" and adopting new heat transfer technology, the output and thermal efficiency of the boiler do not decline with extended operation time, thereby achieving

Now features a compact structure with a 10% overload capacity.

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

8. Computer-Aided Design (CAD) for Drawing: Optimized design with CAD software ensures excellent water circulation and low water flow resistance. Effectively optimizes the heat exchange coefficient of the heating surface inside the furnace, enhancing thermal efficiency.

9. Excellent Insulation and Aesthetically Pleasing Design: Utilizes multi-layer high-quality aluminum foil, centrifugal glass fiber wool for insulation, ensuring superior thermal performance and increased thermal efficiency. The outer shell is made of white polyester paint coated plate flat packaging, which is both beautiful and practical, durable, and resistant to corrosion over long-term use.

10. Comprehensive System Optimization: The coordinated operation of the intelligent boiler controller, power distribution cabinet, water level electrode, temperature sensor, and heating tube results in a high coupling degree in the boiler heat exchange system.

11. Easy Installation: The boiler is compactly designed for convenient and quick installation, with all electrical, low-voltage, and control lines pre-connected. Installation is straightforward; simply connect water, electricity, and the matching in/out pipes, and it's ready for operation. Quick and easy setup.

12. Versatile Application: This electric boiler is widely used in hotels, hospitals, office buildings, schools, construction sites, factories, laboratories, swimming pools, and bathhouses, providing 24-hour heating and hot water supply.

1. Technical specifications of the fully automatic electric water boiler, featuring a stainless steel electric heaterThe right to redefine or alter product information without prior notice (including appearance, dimensions, control methods, and internal structure).

2. Technical specifications of fully automatic electric hot water boilers with pressure, equipped with stainless steel electric heaters

Section 3: Technical specifications of the fully automatic electric water boiler, featuring a ceramic rod electric heater with water and electricity separation

Four, Technical specifications of the fully automatic electric water boiler, featuring a ceramic rod electric heater with water-separation design

Five. Electric Steam Boilers (Stainless Steel Heating Tubes)