I. 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 through electric heaters. The boiler body is mainly composed of a drum shell, end caps, electric heater tube 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 has high thermal efficiency, operates silently, and is stable.

Ensure reliability, energy-saving, and environmental protection. Modular heating systems are available for energy conservation and easy installation. Capable of achieving fully automatic, highly intelligent, and stable operation.

⑵ Utilizes a step-by-step loading or unloading design, featuring fully automatic, high-intelligence balance adjustment of operating loads, 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 interrupting service, allowing users to adjust settings flexibly. 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 will shut down and alarm if the water level is too low, ensuring safe operation. It also features scale alarm functionality to enhance energy efficiency 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.

The control cabinet electrical accessories are made with components 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 a base of shock-resistant and high-temperature-resistant ceramic, and wound with high-quality nichrome alloy heating wire. The electric heater boasts advanced technology and reliable quality, high thermal conversion efficiency, quick heating, low thermal inertia, high resistance to high temperatures and corrosion, good thermal-chemical property stability, high insulation strength, and environmental friendliness. The outer protective sleeve is made of low-pressure 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 components from leaking electricity due to unexpected reasons and causing personal injury. It ensures safety for users and their personnel by eliminating potential hazards of personal accidents. Additionally, it allows for maintenance and upkeep of the boiler without water.

★ Semiconductor electric heater: Coated with a layer of high-temperature sintered heating material on the surface, the heating material merges seamlessly with a single crystal quartz tube, offering energy-saving, stable performance, and a heating device that replaces heating wires with a surface. It boasts high electrical to thermal conversion efficiency, rapid heating speed, no scale formation, electrical and water separation, low power attenuation, resistance to high concentrations of acids and alkalis, and long service life. It can maintain fast electrical conversion in water for extended periods, preventing the drawback of electric heating boilers becoming more energy-consuming over time.

⑸ Low-power electric hot water boilers (6KW to 240KW) feature an integrated design for easy installation; high-power electric boilers (300KW to 2488KW) adopt a separate design with a control cabinet and boiler body.

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

The rectangular electric heating boiler shell is coated with a spray painting process. Its working principle involves charging the plastic powder through a high-voltage static equipment, which, under the influence of the electric field, sprays the paint onto the surface of the workpiece. The powder is evenly吸附 on the surface, forming a powder-like coating. After the powder coating is baked at high temperature, it flattens and solidifies, and the plastic granules melt 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.

2. Energy-efficient 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 and a high-performance microcomputer processor, the new-generation atmospheric pressure electric water boiler controller is crafted from special engineering plastic for scratch resistance, oil resistance, and comfortable button feel, ensuring durability and reliable operation in harsh front-of-the-boiler environments. The 7-inch color touch screen display offers high-definition analog true-color dynamic graphics, with text, graphics, and animation display capabilities, illustrating the boiler's operating conditions, working mode, and control parameters in both graphic animation and Chinese. The user-friendly interface is equipped with a high-brightness LED backlight and intelligent连锁 control, featuring water shortage, overheating, and over-temperature protection, ensuring stable and reliable use. It also includes a fault alarm memory function for convenient troubleshooting. The advanced Chinese LCD touch screen interface is easy to use, and offers 4-hour time control to set daily on/off times as needed, truly realizing fully automatic unattended operation.

★ Fully automatic control and multi-directional automatic interlock protection; features an industrial-grade control module as the core controller, with a full Chinese graphic menu interface and multi-window system condition display; it has automatic fault recognition, intuitive indication, and processing; easy data analysis and historical operation data query; equipped with a standard RS485 communication interface, supporting Modbus communication protocol, enabling connection with building automation or DCS systems for group control of multiple boilers. The system can provide real-time compensation based on outdoor and indoor temperatures. It offers faster output response, high integration, and fewer peripheral components. It includes automatic water level control interlock (preventing dry burning), automatic temperature regulation and control of the boiler water, temperature over-limit interlock, achieving precise measurement and numerical adjustment of multiple parameters. The system is compact, easy to use, information-rich, and user-friendly in human-machine interaction. It boasts high integration, intelligence, strong anti-interference ability, simplicity of use, flexible control, attractive design, comprehensive system, wide functional 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 and protection system, enabling easy operation such as automatic low heat heating, medium heat adjustment, and high heat regulation. It automatically adjusts the number of electric heaters based on temperature for stable output. It can also 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, processing speed, functionality, compact size, and low power consumption; supports multi-channel high and low voltage switch inputs, outputs, and analog inputs, allowing for greater flexibility in expanded applications. Smart time-slot control for user-friendliness, and online programming is available as per actual needs.

★ Fast-response 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 graphical animation and Chinese, offering a user-friendly interface. The LCD screen is composed of self-controlled components and an LCD screen controller; the detection components are installed beneath the display screen to detect user commands, which are then sent to the LCD screen controller. The primary function of the LCD screen controller is to receive information from the detection device, convert it into filtered information, and send it to the control module. It also receives and executes commands from the control module.

Programmable Logic Controller: An electronic system for digital computation, specifically designed for industrial applications. It utilizes a type of programmable memory for internal program storage, performs logical operations, sequential control, timing, 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:★ High integration of hardware and software, standardized design: Display screen and controller are integrated, each performing its own function; simplified program design enhances system reliability.

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

★ Advanced Processor Performance: Utilizes industrial-grade ARM32-bit CPU for 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, ensuring the product has excellent anti-interference performance and reliable system operation.

★ Large-screen LCD graphic and text display with user-friendly interface: The LCD uses high-brightness LED backlight for long life. The interface displays the operating conditions, working modes, and control parameters of the boiler in graphic animation and Chinese text.Advanced control functions:Utilizing a fully automatic, high-intelligence digital high-resolution Chinese LCD touch screen in conjunction with a programmable logic control module for joint control. The programmable logic control module serves as the "processor" for the control system. This control system features one-button on/off functionality, and the configured Chinese LCD display boasts a range of rich functions. It employs control modules with strong anti-interference performance and long operational 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 state changes, in real-time dynamic simulation graphics. It clearly shows the current operating status of electric heaters and water pumps, allowing for any water temperature setting within a wide range of 30℃ to 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 making boiler monitoring intelligent. 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 coexist, ensuring system reliability. In the event of a boiler fault, it automatically shuts down and pops up a screen, recording the time and content of the last few fault occurrences, 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, reducing heat loss, and 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 water temperature exceeds the set over-temperature limit, the computer controller will trigger an audible and visual alarm for "excess water over-temperature fault" and the interlock will be shut down.

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

Automatic start and stop feature 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 enabling the boiler to carry out automatic control over load stages, either single or multiple.

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

With the controller temperature exceeding 60℃. the controller will trigger an alarm to remind users to take timely measures to prevent damage to the controller; the overheating protector operates based on the set overheating protection settings.

Excessive temperature due to uncontrolled boiler value protection, posing a danger of water vaporization in the boiler.

2. Low Water Level ProtectionDuring the boiler operation, when the water level is extremely low, the controller displays "Extremely Low Water Level Fault" with an audible and visual alarm indication. The interlocked controlled equipment's water level electrode accurately displays the actual water level of the boiler body. The electronic water level control system protects the boiler from dry burning at low water levels, accurately collects 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 FunctionDesign of scale alarm function, during the boiler operation, real-time monitoring the formation of scale on the heating surface. If the computer controller detects excessive scale, it will shut down and alarm, reminding the user to clean the scale. Ensures stable boiler operation without damaging the boiler.

4. Power Failure Lockout Protection:During system operation, if a power outage occurs, the power supply system will automatically disconnect the output devices. Upon re-powering, the intelligent controller will automatically enter off-duty mode to ensure stable system operation; to restart, it is necessary to reset and unlock the self-locking mechanism before relighting and restarting. The computer controller features power failure protection, automatically saving various parameters.

5. Voltage and Current Anomaly Protection:When voltage is over or under the normal range, or when current is abnormal, the control system will automatically cut off the power, stop heating, and protect the equipment's stability.

6. Leakage ProtectionIn the event of a boiler or pump leaking electricity, the power supply will automatically be cut off.

7. Phase Failure ProtectionUpon detection of phase loss or open phase in the boiler or pump, the system automatically stops heating to prevent equipment damage.

8. Sensor Fault Identification and ProtectionDuring system operation, if a fault occurs where the water outlet (return water) temperature sensor is open-circuited or short-circuited, the computer controller will trigger an "Sensor Fault" audio-visual alarm indicator, and interlock to shut down the electric heater.

9. Recirculating Pump Fault Protection:During system operation, if the circulating pump starts and the computer controller fails to detect the running signal of the circulating pump, it triggers a fault cascade for all controlled devices.

10. Motor Load Protection:Protect motor equipment from overcurrent, overheating, and phase loss during operation with circuit breakers and thermal overload relays.

★ Additional Features:

1. Set operational parametersSet parameters for the boiler's automatic operation, including required temperatures and time slots.

2. Information ProcessingProcess signal data collected on-site through intelligent data analysis and statistics, accomplishing tasks such as fault prediction, fault handling, controlling thermal system equipment, anti-freezing system control, data querying, and intelligent fuzzy control of boiler operation.

3. Data Storage Function:By collecting signals such as on-site temperature, digital data, and alarm information, the system performs signal calculation and processing, and can automatically record the operating time of the boiler, pump, and electric heater. Data is saved for easy user access.

4. Fault Records and Display:Automatically records data of faults occurring in boilers; users can check the location, time, and cause analysis of the faults on an LCD screen to ensure the normal operation of the boiler.

5. Auto-detect faults and protectIn the event of a fault, the software automatically identifies the fault and protects the boiler and its auxiliary equipment from normal operation; it includes a fault analysis table and allows access to repair guidelines.

6. Communication Features:Data such as equipment start/stop and fault types can be transmitted in real-time via the RS485 communication interface (supporting Modbus communication protocol).

2. Rational furnace structure, easy for maintenance and upkeep:Boiler body structure is rational and maintenance-friendly: Featuring an advanced and unique design, it ensures reliable and economically stable boiler operation. The main pressure components are joined by flanged butt welding, ensuring the quality of the welds. Utilizing the new concept of balanced tube design, horizontal heating is adopted, with the external protective sheath of the electric heating tube surrounded by water. This structure offers a large internal drum space, a large effective radiant heating surface, and optimized utilization of the heating area. The design achieves high-speed turbulent flow of the water medium, preventing tube blockage and enhancing heat transfer and heat exchange efficiency. The boiler body features a drain handhole for easy inspection and cleaning, simplifying cleaning work and making maintenance and care extremely convenient, meeting the user's requirements for equipment operation and maintenance.

3. High-intensity flanged electric heating element adopted

   1).Utilizing high-strength stainless steel electric heaters, featuring high mechanical strength, vibration and heat resistance, even heat distribution, and excellent chemical resistance. Equipped with a separate small-sized flange, installed within high-temperature-resistant seamless stainless steel pipes.

Evenly distribute the high-temperature resistance wire, densely fill the gaps with crystalline magnesium oxide powder that has good 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 heat generated diffuses through the crystalline magnesium oxide powder to the surface of the metal tube, then to the water, achieving the purpose of heating. It features a simple structure and mechanical

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

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

5. Temperature Equilibrated Water Circulation SystemAll structures are curved for uniform heat and cold exchange, allowing for a quicker achievement of the set temperature. The furnace is equipped with an internal recirculating distributor, ensuring no temperature fluctuations during the recirculation process.

6. Advanced Heat Transfer Technology ReinforcementUtilizing heat transfer and flow resistance technology from "Harbin Institute of Technology's Light Research Institute" and adopting new heat transfer techniques, the output and thermal efficiency of the boiler are maintained without decline over extended operation time.

Now features a compact structure with 10% overload capacity.

7. Robust and durable boiler shell, clean and hygienic water quality:The inner boiler shell, as agreed upon in the contract, can be treated with corrosion and rust prevention, 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, protecting both the boiler shell welds and ensuring clean and hygienic water quality.

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

9.Good thermal insulation, aesthetically pleasing.Insulation is made with multi-layer high-quality aluminum foil and spun glass fiber wool, offering excellent thermal insulation and enhancing heat efficiency. The casing is coated with white polyester paint color steel plate flat packaging, which is aesthetically pleasing, sturdy, durable, and resistant to corrosion over long-term use.

10.Overall machine optimization is reasonable: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 to install:Boiler unit is factory-assembled, featuring a compact structure and easy installation. All electrical and control lines are pre-connected, simplifying the setup process. Just connect water and electricity, along with the matching inlets and outlets, and the boiler is ready for operation. Quick and convenient installation.

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

1. Technical specifications of the fully automatic electric water boiler, featuring a stainless steel electric heater

The right to redefine or alter product information without prior notice (including appearance, dimensions, control methods, and internal structure).

Section 2: Technical specifications of the fully automatic electric hot water boiler with pressure, featuring a stainless steel electric heater

Section 3: Technical Specifications of the Fully Automatic Electric Water Boiler, featuring a ceramic rod electric heater with water-separation technology

4. Technical specifications of the fully automatic electric water boiler, featuring a ceramic rod electric heater with water and electricity separation

Five. Electric Steam Boilers (Stainless Steel Heating Tubes)